Showing papers on "Gas heater published in 2014"

Transcritical CO2 cooling heat and power combined circulation system

Abstract: The invention discloses a transcritical circulation cooling heat and power cogeneration system employing CO2 as a working medium. The system comprises a cooling system, a power generation system, a heating system and a gas heater, wherein the cooling system comprises a compressor, an evaporator, an ejector, a throttling valve and a gas-liquid separator; the heating system comprises a heater and a gas cooler; the power generation system comprises an intermediate extraction expander and a power generator. According to the system, an extensive low-grade heat source is used for heating the CO2 working medium, the power generation system applies work to generate power through the expander, and a part of expansion power is recovered; the heat of the CO2 working medium at an outlet of the expander is supplied to a user; an ejection cooling mode is used for cooling; a combined design of the intermediate extraction expander and the ejector is adopted on the basis of a transcritical CO2 compression cooling system, the gas heater is additionally arranged, and the low-grade heat source is utilized, so that cooling heat and power cogeneration is realized.

Continuous heating furnace

Abstract: A continuous heating furnace includes one or a plurality of closed type gas heaters (110) each having a combustion chamber in which a fuel gas is combusted, a guide section that guides an exhaust gas generated by combustion in the combustion chamber, a first radiation surface extending in a direction perpendicular to a conveyance direction of a baking object, heated by combustion in the combustion chamber and heat of the exhaust gas passing through the guide section and configured to transfers radiant heat to the baking object, and an exhaust hole through which that discharges the exhaust gas that heated the first radiation surface is discharged, and disposed in a furnace main body, and one or a plurality of exhaust heat transfer units (214) juxtaposed with the closed type gas heater in the conveyance direction of the baking object in the furnace main body and each having a second radiation surface (214a) that communicates with the exhaust hole of the closed type gas heater and heated by the exhaust gas to transfer the radiant heat to the baking object, and a heat transfer acceleration unit (216) that accelerates heat transfer from the exhaust gas to the second radiation surface at one end (214b) side or the other end (214c) side in a direction perpendicular to the conveyance direction of the second radiation surface.

Integrated device of selective laser melting powder spreading and atmosphere cyclic protection

Abstract: The invention belongs to the technical field of powder machine-shaping and relates to an integrated device of selective laser melting powder spreading and atmosphere cyclic protection. A laser light path system is arranged at the upper end of a metal sealed cabin; a powder filter is arranged at one end of the metal sealed cabin, while a powder nozzle is arranged at the other end of the metal sealed cabin; an oxygen filter is communicated with the powder filter; a first three-way gas valve is connected with the oxygen filter, a powder storage tank and a circulating pump, respectively; the powder storage tank is connected with a powder roller; a second three-way gas valve is connected with the circulating pump, an inert gas source and a gas heater, respectively; the powder roller and the gas heater are communicated with the powder nozzle, respectively; a powder scraper is arranged at the bottom of the inner side of the metal sealed cabin and connected with an inert gas outlet; a worktable is manufactured at the bottom of the metal sealed cabin and a lead screw turntable is manufactured on the lower part of the worktable; and a central control system is communicated with an oxygen content sensor, a humidity sensor and a pressure sensor, respectively. The integrated device is simple in structure, small in internal space occupied, high in integration level, convenient to maintain and high in efficiency.

Water harvester and purification system

Abstract: An optimized system creates potable water from water vapor in the atmosphere, or purifies salt water or contaminated water. The system employs a condenser having multiple metal condensation surfaces. These condensation surfaces are cooled by coolant passing through conduits attached to the condensation surfaces. The coolant is cooled by a cooling unit. Power is supplied to the cooling unit by solar photovoltaic panels, or wind turbines, or the electric grid. The system can be mobile or fixed and can produce potable water at remote locations. The system may employ an evaporator which evaporates non-potable water into an air stream. The evaporator includes a solar or gas heater which increases the temperature of the air. Metals may be extracted from the salt water. If sewage is used, solid organic waste may be processed into combustible gas which is burned by an engine running a generator to power that system.

System and method for fluidized direct reduction of iron ore concentrate powder

Abstract: A system and method for the fluidized direct reduction of iron ore concentrate powder. A two-phase fluidized bed is used for the direct reduction of iron ore concentrate powder. Each phase of the fluidized bed is formed by a bubbling bed and a circulating bed. Use of serial-connection processing involving gas and of high-gas-velocity processing of the circulating bed increase the gas utilization rate and the reduction efficiency of single-phase reduction. Once reduced gases are subjected to preheating, each gas is sent into an initial reduction phase and a final reduction phase so as to implement reduction of minerals. Use of mixed-connection processing involving gas appropriately reduces processing pressure. Hot flue gas produced by combustion in a gas heater is sent to a mineral pre-heating system that is used for pre-heating iron ore concentrate powder.

SLM (selective laser melting) powder laying and atmosphere circulation protection integrated device

Abstract: The utility model belongs to the technical field of powder processing prototypingand relates to an SLM (selective laser melting) powder laying and atmosphere circulation protection integrated device. A laser path system is arranged at the upper end of a metal sealed cabin; a powder filter is arranged at one end of the metal sealed cabin, and a powder nozzle is arranged at the other end; an oxygen filter is communicated with the powder filter; a first three-way gas valve is connected with the oxygen filter, a powder storage tank and a circulating pump respectively; the powder storage tank is connected with a powder roller, and a second three-way gas valve is connected with the circulating pump, an inert gas source and a gas heater respectively; the powder roller and the gas heater are communicated with the powder nozzle respectively; a powder scraper is manufactured at the bottom on the inner side of the metal sealed cabin and connected with an inert gas discharge port; a working table is manufactured at the bottom of the metal sealed cabin, and a lead screw rotating table is manufactured at the lower part of the working table; and a central control system is communicated with an oxygen content sensor, a humidity sensor and a pressure sensor respectively. The device is simple in structure, small in occupied inner space, high in integrity, convenient to maintain and high in efficiency.

System and process for comprehensive utilization of oil shale destructive distillation and semicoke gasification

Abstract: The invention discloses a system for comprehensive utilization of oil shale destructive distillation and semicoke gasification, which comprises a destructive distillation furnace, an oil shale bin, an oil storage tank, an oil-gas separator, a gas heater, a gasification fuel bin, a combustible gas tank, a heater, a gasification furnace and a conveyer device According to the invention, by using a process for comprehensive utilization of oil shale destructive distillation and semicoke gasification by using the system, semicoke generated by destructive distillation and powdered oil shale are subjected to gasification reaction to generate combustible gas, a part of combustible gas can be used as a fuel to be introduced into the gas heater to heat a heat carrier gas used in the destructive distillation furnace, high-temperature solid residues generated in the gasification furnace are discharged into a heat exchanger to heat cold water into hot water or vapor According to the invention, the semicoke generated by oil shale destructive distillation is gasified to be recycled, and thus the addition benefits in an oil shale destructive distillation process is increased, heat pollution and chemical pollution of shale residues are reduced, and energy source utilization rate is improved

High temperature and high pressure portable gas heater

Abstract: A portable gas heater includes a housing, a pressure vessel arranged in the housing, a layer of thermal insulation disposed on an interior wall of the pressure vessel, a heating element arranged within the layer of thermal insulation, and a gas diffuser arranged upstream from the heating element. A cold spray system including the portable gas heater and a method of heating gas are also disclosed.

Auxiliary heating system in liquid state heavy metal cooling natural circulating pool type reactor

Abstract: The invention discloses an auxiliary heating system of a liquid heavy metal cooling natural circulating pool-type reactor. The system comprises a gas storage tank, a filter, a gas heater, a master gas input pipe, a main gas input valve, a main gas input pipe, an extraction opening, a main gas output valve, a main gas output pipe, a gas emergency input valve, a gas emergency input pipe, a gas emergency output valve, a gas emergency output pipe, a master gas output pipe, an air pump, a pipeline and other valves, wherein the pipeline is used for connecting the equipments. By adopting the system, the auxiliary heating function on liquid heavy metal inside the reactor is achieved inside a main container of the liquid heavy metal cooling natural circulating pool-type reactor and a ring cavity formed by a safe container, the system is simple in structure and has independence and reliability, members inside the reactor do not need to be added and started in operation, and the safety of the reactor can be effectively improved.

Wellhead Gas Heater

Abstract: Systems and methods are disclosed that may include providing a wellhead gas burner to burn wellhead gas produced from a wellhead to heat water and/or other chemicals used in hydrocarbon production and/or well completion processes, including, but not limited to hydraulic fracturing (fracking). The wellhead gas burner may include a pressure regulator and an expansion chamber that permit the wellhead gas burner to continuously operate and accommodate wellhead gas pressure fluctuations. The wellhead gas burner may also be configured as a primary heat source and integrated with a traditional propane/diesel gas burner system configured as a supplemental heat source. The wellhead gas burner may also be mounted to a mobile superheater truck.

Case Analysis of the Solar Heating System Assisted by Condensing Wall-Mounted Gas Heater

Abstract: Taking household heating for an example, this paper has introduced the composition and characteristics of combined heating system with condensing wall-mounted boiler and solar water heater; and through the simple contrastive analysis of the economy and environmental protection with the solar heating system assisted by electric heating and wall-mounted gas heater, it is believed that the heating system combined with condensing gas heater and solar heating is the better choice of household heating considering its energy saving, economy and environmental protection.

Sulfuric acid ammonium salt elimination method in exhaust gas treatment equipment and exhaust gas treatment equipment

Abstract: PROBLEM TO BE SOLVED: To reduce energy cost and reduce equipment cost.SOLUTION: Exhaust gas treatment equipment includes: a bypass exhaust line 30; and a gas circulation line 31 that includes a circulation blower 32, a circulation gas heater 33, a catalytic reaction tower 20, and a heat exchanger 17, and decomposes ammonium salt of sulfuric acid deposited in the catalytic reaction tower 20 and the heat exchanger 17 by heated circulation heated gas. A circulation gas exhaust channel portion 31c for discharging a part of the circulation heated gas from the gas circulation line 31 and introducing the part of the circulation heated gas to an inlet of a bag filter 16, and a supplementation outdoor air introduction channel portion 31d for introducing outdoor air into the gas circulation line 31 when the part of the circulation heated gas is discharged are provided in this gas circulation line 31. Heat decomposition components of the circulation heated gas discharged from the circulation gas exhaust channel portion 31c are captured by the bag filter 16 and then discharged from the bypass exhaust line 30 into atmosphere.

Low-temperature catalysis type infrared gas heater and catalyst preparation process thereof

Abstract: The invention discloses a low-temperature catalysis type infrared gas heater comprising a shell, a gas conduit, a gas homogenizing component, a dry type preheating electrical-heating pipe and an activated aluminum catalyst layer The inside of the shell is of cavity structure The gas conduit is arranged in the cavity structure of the shell, the gas homogenizing component is arranged on the lower portion of the gas conduit so as to homogenize gas released from the gas conduit, the dry type preheating electrical-heating pipe is arranged in the gas homogenizing component so as to preheat the catalyst layer and activating catalyst on the catalyst layer, the activated aluminum catalyst layer is arranged on the lower portion of the gas homogenizing component, the homogenized gas is catalyzed and combusted in the activated aluminum catalyst layer, a low-energy base is formed on the surface of the catalyst layer to generate vibrational-state products, and energy is released by infrared radiation The low-temperature catalysis type infrared gas heater is energy saving, environment friendly, low in noise and high in efficiency

Special purification system for industrial volatile organic pollutants in PM2.5 (Particulate Matter 2.5)

Abstract: The utility model relates to a special purification system for industrial volatile organic pollutants in PM2.5 (Particulate Matter 2.5). The special purification system comprises a catalytic inlet gas heater, a catalytic bed, a catalytic fan, a heat exchanger, an adsorption bed, an adsorption fan, a flame arrester, a filter, a desorbed gas circulating fan, a desorbed gas circulating heater and an adsorption bed desorbing heater, wherein the adsorption bed is provided with an industrial volatile organic pollutant waste gas inlet, a purified gas outlet, a desorbed waste gas output port, a desorbed gas input port, a desorbed gas circulating outlet and a desorbed gas circulating inlet; the heat exchanger is provided with a catalytic tail gas inlet, a catalytic tail gas outlet, a catalytic gas inlet, a catalytic gas outlet, a desorbed gas feed inlet and a desorbed gas discharge outlet. According to the special purification system, the thermal efficiency of processing is improved, the thermal loss is reduced, and the heat recycling rate is improved; during burning, the internal temperature of the catalytic bed is more uniform, so that the burning efficiency and the purification rate are increased, and the heat exchange is increased, therefore, the heat energy is more reasonably utilized, and the system accords with the requirements of energy conservation and emission reduction.

Influence of Gas-Gas Heater on Wet Flue Gas Desulfuration

Abstract: Material balance calculation was adopted to a wet flue gas desulfurization (WFGD) system for exploring impacts of gas-gas heater (GGH). Effects of GGH on flue and water consumption were analyzed. Results showed that inlet flue temperature of desulfurization tower reduced by 3.4 °C at 100% load after installation of GGH. Exhausted gas temperature of system increased by 34.9°C. The heat release of original flue in desulfurization tower reduced by 43.72%. Plume rise height was significantly improved. Water evaporation in desulfurization tower declined by 42.07%.Amount of addendum water reduced by 39.06%, and water vapor carried by flue decreased by 19.78% at the outlet of WFGD. Therefore, operation condition of flue emission is improved and water consumption decreases with GGH.

Online cleaning machine for power plant air preheating device or GGS (gas-gas heater)

Abstract: The utility model discloses an online cleaning machine for a power plant air preheating device or a GGS (gas-gas heater), and relates to the technical field of cleaning agents. The online cleaning machine for the power plant air preheating device or the GGS is composed of a movable cleaning trolley and a rail, wherein a high pressure water inlet, a nozzle, a movable type push and pull rod which can control positions of the movable cleaning trolley and a bearing which can be embedded into the rail are fixedly arranged on the movable cleaning trolley, and the rail is composed of channel steel, a tie piece and a trolley entrance. The online cleaning machine for the power plant air preheating device or the GGS has the advantages of being simple to install, causing no operation risk, and being capable of not influencing normal running of a unit in cleaning.

System and method for testing cooling turbine

Abstract: The invention relates to a system and a method for testing a cooling turbine The system is structurally characterized in that an air compressor, an air buffer tank, an oil and water separator and a gas heater I are sequentially connected with one another and then are connected with an inlet of the cooling turbine, and an outlet of the cooling turbine is sequentially connected with a flow meter, a gas heater II and a gas compressor The system and the method have the advantages that the temperature and the flow rate of gas can be effectively controlled, so that the performance of the cooling turbine can be tested, the testing precision is high, and the testing capacity of the system and the testing capacity of components can be improved; the temperature and the flow rate of the gas are controlled by the system for testing the cooling turbine under determined conditions, so that temperatures and pressures of various inlets and outlets of tested products and rotation numbers of internal impellers of the products can be tested, and main technical indexes which reflect the performance of the cooling turbine can be analyzed and computed, for example, the output of heat, a heat transfer coefficient, the flow resistance and the like of the cooling turbine can be converted by the aid of the system and the method

Gas gas heater with natural circulating water media

Abstract: The utility model provides a gas gas heater with natural circulating water media. The gas gas heater comprises a hot gas channel (1) and a cold gas channel (2), hot gas can pass through the hot gas channel (1), and cold gas can pass through the cold gas channel (2); a plurality of low-temperature heat exchanging pipes (3) are arranged in the hot gas channel (1), a plurality of high-temperature heat exchanging pipes (4) are arranged in the cold gas channel (2), one end of each low-temperature heat exchanging pipe (3) and one end of each high-temperature heat exchanging pipe (4) are communicated with a first water tank (5), and the other end of each low-temperature heat exchanging pipe (3) and the other end of each high-temperature heat exchanging pipe (4) are communicated with a second water tank (6). The gas gas heater with the natural circulating water media can achieve the purpose of mutual heating of original gas and clean gas, and avoid the serious blocking problem of traditional heaters.

High-speed aeration oxidation treatment apparatus for industrial sewage

Abstract: The invention relates to a high-speed aeration oxidation treatment apparatus for industrial sewage. The high-speed aeration oxidation treatment apparatus comprises a tank body, a water lift pump, a micro-nano bubble generator and an air compressor. The upper opening of the tank body is closed; the top of the tank body is provided with a liquid level controller, a water outlet and an air outlet; the bottom of the tank body is provided with a water inlet and an air inlet; the middle of the tank body is provided with a filler layer; the water inlet is connected to the water lift pump; the air inlet is connected to the air compressor; the micro-nano bubble generator is disposed in the bottom of the tank body; the bubble generator is connected to the water inlet and the air inlet respectively; a gas heater is disposed between the air inlet and the air compressor; and a liquid heater is disposed between the water inlet and the water lift pump. Under the same conditions, the aeration oxidation treatment apparatus can greatly increase air oxidation capacity and air utilization rate, increases aeration oxidation depth of the sewage, increases efficiency of sewage treatment, and further reduces treatment cost.

Solar-gas combined-type moisturizing and energy-saving drying device

Abstract: The utility model discloses a solar-gas combined-type moisturizing and energy-saving drying device The solar-gas combined-type moisturizing and energy-saving drying device comprises a drying chamber and a solar water heater group, wherein the solar water heater group is provided with a water level sensor and a temperature sensor; a water inlet/outlet pipe of the solar water heater group is connected with a heat exchanger arranged in the drying chamber through a circulating pump and an electromagnetic valve; a humidifier is connected to one side wall of the lower part of the drying chamber; the temperature sensor and a humidification sensor are arranged on the other side wall of the drying chamber from top to bottom respectively; an air exhaust port in the top end of the drying chamber is connected with a gas drying and purifying box through an air exhaust fan and an air pipe provided with the electromagnetic valve; the lower end of the gas drying and purifying box is connected with a gas heater through an air blower; a gas outlet pipe of the fuel gas heater is connected with the bottom of the drying chamber; a bypass pipe is further connected to the parts, positioned at the upper and lower ends of the gas drying and purifying box, of the air pipe

CO heating device

Abstract: The utility model discloses a CO heating device which is a gas heater suitable for working in an explosive environment and a dangerous environment with a danger zone divided into 22 dust zones and 2 gas zones. The CO heating device is characterized by comprising a heating device housing, a flange cover for covering a flange hole of the heating device housing, an outer protection pipe fixed to the flange cover, a U-shaped heating body sleeve pipe arranged in the heating device housing, an anti-explosion wiring box heating body fixedly connected to a port of the protection pipe, and an electric heating body penetrating the outer protection pipe and the heating body sleeve pipe to be connected with the wiring end of an anti-explosion wiring box. The CO heating device can work in the explosive environment and the dangerous environment with the danger zone divided into the 22 dust zones and the 2 gas zones, and can be used for continuously heating CO for more than 18,000 hours.

Single-pressure saturated vapor superheated boiler

Abstract: The utility model provides a single-pressure saturated vapor superheated boiler. The single-pressure saturated vapor superheated boiler mainly settles the technical problems in the existing boiler: large fuel consumption amount, low power generation efficiency, etc. The single-pressure saturated vapor superheated boiler comprises components of: a combustion chamber (1) at the lower part of the boiler body, a heat exchange chamber at the middle part of the furnace body, external flue gas cycling equipment of the boiler body, vapor water equipment and a blower (4). A flameless burner (2) and a cycling flue gas nozzle set (3) which are configured in the combustion chamber (1) are interconnected through a pipeline. A superheater (5), a gas heater (6), an air heater (7) and a coal economizer (8) are configured in the heat exchange chamber from bottom to top. The gas heater (6) is connected with the flameless burner (2) through a pipeline. One end of the air heater (7) is connected with the blower (4) through a pipeline, and the other end is connected with the flameless burner (2) through a pipeline. The external flue gas cycling equipment of the boiler body comprises a flue gas cycling blower (14), a hearth negative-pressure adjusting valve (15) and a low-temperature cycling flue gas pipeline (16). The vapor water equipment comprises a pipeline, a deoxygenator (12) and a water feeding pump (13). The coal economizer (8) collects condensate (11) discharged from a steam turbine and feeds into the deoxygenator (12). Then the condensate is supplied to the boiler through a water feeding pump (13). The single-pressure saturated vapor superheated boiler is used for heating saturated vapor generated by waste heat in steel making and steel rolling by a converter by steel enterprises, thereby realizing high-efficiency power generation by waste heat steam.

Gas water heater with energy-saving position ECO (ecology, conservation and optimization) function and controlling method thereof

Abstract: The invention provides a gas water heater with an energy-saving position ECO (ecology, conservation and optimization) function and a controlling method thereof. The gas water heater comprises an operation interface having an ECO function key, a proportioning valve and a controller used for controlling the gas water heater to enter an energy-saving mode after the ECO function key is triggered, acquiring a target temperature corresponding to the energy-saving mode, and adjusting the proportioning valve according to the target temperature. By the gas heater and the controlling method thereof, temperature, water and gas are automatically matched through the energy-saving position ECO function so as to save energy.

Method for regenerating converter gas variable temperature adsorbent for production of methanol from coke oven gas and converter gas

Abstract: The invention relates to a methanol preparation technology in the chemical industry field, and concretely relates to a method for regenerating a converter gas variable temperature adsorbent for the production of methanol from a coke oven gas and a converter gas. The method comprises the following steps: introducing a methanol relief gas or a tail gas obtained after hydrogen extraction of the methanol relief gas into a regenerated gas heat exchanger in the variable temperature adsorbent regeneration process of the converter gas in order to realize the heat exchange heating of the methanol relief gas or the tail gas obtained after hydrogen extraction of the methanol relief gas and a regenerated gas, introducing the regenerated gas into a regenerated gas heater, heating, introducing the heated regenerated gas to a converter gas variable temperature adsorber for regenerating an adsorbent for regeneration, introducing a gas from the converter gas variable temperature adsorber into the regenerated gas heater for heat exchange cooling, introducing the obtained gas into a water cooler for cooling, and sending the cooled gas to a fuel tube network as a fuel. The method avoids wastewater generated through steam regeneration to realize sewage treatment reduction, and allows energy saving and consumption reduction to be realized by reducing regeneration heat consumption and reducing cooling water consumption via adopting the heat exchange of the regenerated gas and a regeneration gas.

Online dehumidification and deoxidation device for continuous production of carbon fibers

Abstract: The invention relates to an online dehumidification and deoxidation device for continuous production of carbon fibers, belonging to the field of novel material production. The online dehumidification and deoxidation device consists of a flange connected with an inlet of a carbonization furnace, one or more groups of gas purging pipes with adjustable blowing angles, gas purging pipe fixing nuts, a gas heater and a waste gas discharge hole. After the online dehumidification and deoxidation device is adopted, for the running silk flocks with different sizes, the online dehumidification and deoxidation effect for the fiber can be realized in the carbonation process by adjusting the nitrogen blowing angle. In the operation process, the content of water and oxygen which are brought into a hearth by the fibers can be reduced to less than 5%; compared with the condition that the online dehumidification and deoxidation device is not installed, the online dehumidification and deoxidation device is capable of improving the strength of the carbon fiber by more than 7%. The device can be conveniently connected with the existing carbonization device by the flange, and has the characteristics of being small in volume, simple in structure, easy to manufacture and simple and convenient to maintain.

Pipeline natural gas heavy hydrocarbon removal unit

Abstract: The utility model discloses a pipeline natural gas heavy hydrocarbon removal unit mainly includes: the cold box, heavy hydrocarbon knockout drum, feed gas / middle gas energy -saving appliance, heavy hydrocarbon adsorber, regeneration gas heater, heavy hydrocarbon regeneration gas heat exchanger, regeneration gas heavy hydrocarbon knockout drum, high -pressure energy -saving appliance. The export of cold box middle part is connected to the heavy hydrocarbon knockout drum. Feed gas / middle gas energy -saving appliance sets up after the heavy hydrocarbon knockout drum for the low temperature natural gas to coming from heavy hydrocarbon knockout drum gas exports carries out rewarming. The utility model discloses utilize earlier the condensation separation to get rid of easy condensation and the big component of solubility in the natural gas, recycle being difficult for the condensation, solubility is little and arouses very easily that the cold box freezes stifled component in the physical absorption desorption pipeline natural gas, so not only realize heavy hydrocarbon's high -efficient desorption, solved possible heavy hydrocarbon and gathered the problem, still improved the commonality of installing, can adapt to air supply component quick change's occasion better.

Cooling turbine test system

Abstract: The utility model relates to a cooling turbine test system. The cooling turbine test system is in such a structure that an air compressor, an air buffering tank, an oil and water separator, a gas heater I are connected with an inlet of a cooling turbine after being connected in sequence; an outlet of the cooling turbine is connected with a flowmeter, a gas heater II, and a gas compressor in sequence. The cooling turbine test system is capable of achieving tests for performances of the cooling turbine through control the temperature and flow speed of the gas, and has high testing accuracy so as to improve test abilities of the system and parts. The cooling turbine test system tests temperatures and pressures of the inlet and the outlet of a product and the revolution of an internal impeller of the product through controlling the temperature and the flow speed of the gas. The cooling turbine test system is used for analyzing and calculating main technical indexes such as heat releasing amount, heat transfer coefficient, and flow resistance which are used for reflecting the performances of the cooling turbine.

Methanation reaction process

Abstract: The invention relates to a methanation reaction process, and is used for solving the problems that existing methanation reaction processes are complex and are long in flows, system temperatures are instable to control and catalysts are easy to inactivate. The methanation reaction process comprises the steps that the raw gas is sent to a desulfurization tank to be desulfurized after undergoing gas-liquid separation in a gas-liquid separation tank and then is sent to a feed gas heater to exchange heat with the reaction gas coming out of an isothermal reactor to be heated, the heated raw gas is sent to the isothermal reactor to react and the reaction gas after reaction is sent to the feed gas heater to exchange heat with the raw gas to be cooled and then is sent to a low-temperature adiabatic reactor to further fully react, thus obtaining the methane gas. The process has the advantages of extremely simple flow, reliability in control, low equipment investment, low operating cost, energy conservation and consumption reduction and capability of obtaining high-grade steam.