Gas heater

About: Gas heater is a research topic. Over the lifetime, 1799 publications have been published within this topic receiving 6169 citations.

Optimization of the Heating Element in a Gas-Gas Heater Using an Integrated Analysis Model

Abstract: Gas-gas heaters (GGHs) are used to reheat gases through desulfurization in coal-fired power plants to reduce low-temperature corrosion and white smoke. Wrinkled heating elements are installed inside the GGH to perform effective heat exchange. An optimization study of the heating element shape was conducted to reduce the differential pressure effectively and improve performance. An integrated analysis model was applied. Based on actual operational data, a computational fluid dynamic analysis was conducted on the L-type heating element and GGH system. The experiments applied the optimal latin hypercube sampling method, and numerical analysis was performed for each sample. Based on the response surface, the result of the sample was optimized through the pointer algorithm. For the integrated analysis model, validation was performed by comparison with the actual operational data, and the thermal-fluid characteristics of the heating element and GGH system were analyzed to set three parameters: plate angle, undulated angle, and pitch 1. From the optimization result, increases in the undulated angle and pitch 1 reduce the pressure drop by widening the heating element cross section. By increasing the plate angle, the heat transfer area is secured and the reduced heat transfer coefficient is compensated, improving the GGH performance.

Combustor and gas heater who has it

Abstract: The utility model discloses a combustor and gas heater who has it, this combustor includes: it has prechamber to inject in the combustor framework, combustor framework, and the combustor framework has fan interface and the fuel gas port who switches on with prechamber, a plurality of minutes accessories, the accessory was arranged in prechamber along airflow direction is spaced apart in a plurality of minutes, was equipped with a plurality of dispensing orifices that switch on with prechamber on every branch accessory, dividing the gas pole, dividing gas pole detachably to establish in prechamber to inject in and have gas fuel passag, divide the gas pole to have gas import and the gas exports who switches on with gas fuel passag, gas exports and prechamber switch on. According to the utility model discloses a combustor, simple structure, fuel gas supply are even relatively, and each the regional gas that gets into the combustor is even with the mixture distribution of air, and manufacturing is with low costs, has reduced the waste of fuel, has reduced pollutant such as nitrogen oxide and harmful substance's such as carbon monoxide, hydrocarbon and tar emission, has saved the interior space of prechamber.

CO2 drying device

Abstract: The utility model discloses a CO2 drying device used for drying CO2 collected from flue gas of power plants and the like. The CO2 drying device comprises a feed gas filter, an adsorption tower, a regenerating tower, a dried gas filter, a dried gas flowmeter, a regenerated gas flowmeter, a regenerated gas heater, a regenerated gas cooling device, a gas-liquid separator and a valve pipeline. The CO2 drying device is characterized in that the compressed CO2 is filtered by the feed gas filter, and then filled in the drying tower for dehydration by a molecular sieve; the dried CO2 is filtered by the dried gas filter, and then the majority of dried CO2 enters the following liquefying procedures, and another branch part of dried CO2 is measured by the flowmeter and heated by the electrical heater, and then filled in the regenerating tower as regenerated gas; the regenerated gas coming from the regenerating tower is cooled by the regenerated gas cooling device, and then enters the liquid-gas separator; and the separated gas returns to the inlet of a compressor for pressurization. The whole set of the drying device adopts a skid-mounted structure, has compact structure, high dehydration rate and good CO2 drying effect, and runs reliably.

Gas heater with visible flame guider

Abstract: A gas heater includes a support unit, a burner unit, a venting unit and a frame guider. The burner unit includes an ignition unit, a hollow and transparent radiant unit defining a cavity in which the flame guider is positioned, a heat reflector and a burner top cover. The radiant unit comprises a bottom unit with inlet air passages through which an air flow into the radiant unit cavity is created. Then, the frame guider, which has a preset structure such as a spiral and a cone structure and a plurality of guider through-holes, is arranged for guiding and generating a flame pattern which is visible through the radiant unit. The venting unit, which is connected to the radiant unit in an air-tight manner, then provides an air exit. Accordingly, energy utilization is increased and visible flame pattern assemble to real flame can be seen.

Apparatus for and method of heating fluid and distilling fluid

Abstract: A method and an apparatus for heating fluid with a gas heater and distilling fluid with the pilot light of the gas heater are disclosed. The apparatus for heating fluid and distilling fluid includes a main tank for containing fluid to be heated, a heater, adapted to have a pilot light, for heating the fluid in said main tank and an evaporator tank for vaporizing fluid received therein with heat from the pilot light. The method of heating fluid and distilling fluid includes heating a first volume of fluid with a heater having a pilot light and heating a second volume of fluid with the pilot light. A second apparatus for heating fluid and distilling fluid includes a main tank for containing fluid to be heated, a condensing tank adapted to pass fluid to said main tank, an evaporator tank for vaporizing fluid received therein, a condensing coil, disposed in said condensing tank, for exchanging heat between fluid vaporized by said evaporator tank and fluid in said condensing tank, a distillate tank adapted to receive condensed fluid from said condensing coil and an electric filament for heating fluid in said evaporator tank when a level in said distillate tank equals or exceeds a predetermined level.