The invention discloses a gas water heater which comprises a fan, a gas inlet pipe and an intake valve connected to the gas inlet pipe in series. The gas water heater further comprises a jacket heat exchanger, a catalytic combustor, a bottom shell, a preheating combustor, a heat collection barrel, a main heat exchanger and a controller. An upper combustion chamber is defined by the jacket heat exchanger, the catalytic combustor is installed on the upper combustion chamber, a lower combustion chamber is formed on the lower portion of the bottom shell, the bottom shell is provided with a smoke exhaust port, the bottom shell and the jacket heat exchanger are in butt connection to form a heat exchange chamber, the preheating combustor is installed in the lower combustion chamber, the heat collection barrel is installed in the heat exchange chamber, one end of the heat collection barrel is connected to the upper combustion chamber, the other end of the heat collection barrel is connected tothe lower combustion chamber, the main heat exchanger is installed in the heat exchange chamber and arranged on the periphery of the heat collection barrel in a sleeving mode, and the controller is used for controlling the preheating combustor to carry out combustion so as to heat the catalytic combustor when the gas water heater is started, and controlling the preheating combustor to be turned off when the temperature of the catalytic combustor reaches the initiation temperature or above. By means of the gas water heater, the energy utilization rate can be sufficiently improved, and emissionof hazardous substance can be sufficiently reduced.

Gas water heater

The invention discloses a gas water heater with a CH4, CO and fire monitoring device and an alarm function The gas water heater comprises a control processor and an information detection device in communication with the control processor The information detection device at least comprises a gas sensor and a smoke sensor, the gas sensor is used for detecting gas concentration information, and the smoke sensor is used for detecting fire information; the control processor is respectively connected with a gas valve and a relay and used for controlling the gas valve to be off when concentration of gas detected by the gas sensor is out of limits and controlling the gas valve and the relay to be off when receiving fire information detected by the smoke sensor The gas water heater is capable of not only effectively dealing with conditions of gas leakage, insufficient combustion and overhigh CO concentration and alarming but also timely alarming dangerous conditions of environmental fires and self burning through

Gas water heater with CH4, CO and fire monitoring device and alarm function

The invention discloses a UASB reactor system based on a compression heat pump and a method thereof The method comprises the following steps: collecting biogas generated by a UASB reactor into a biogas collection chamber, introducing the collected biogas into a biogas power generator so as to generate power, then driving a compressor of a heat pump system to work so as to generate high-temperature hot water, and conveying the high-temperature hot water into the UASB reactor through a water pump and a pipeline so as to maintain the UASB reactor at a constant temperature and guarantee the UASB to operate under high efficiency According to the invention, heating of the reactor enables anaerobic bacteria to maintain high activity, so the biogas yield of the reactor is improved; the generated biogas is effectively utilized for generating power by using the biogas power generator, so generated power drives the compressor of the heat pump system to work, and the high-temperature hot water is generated; meanwhile, residual heat of the tank sleeve and the exhaust gas of the biogas power generator is recycled, so the utilization rate of energy is improved

UASB reactor system based on compression heat pump and method thereof

The invention discloses a gas water heater capable of detecting CO concentration. The gas water heater comprises a water heater body, wherein a water heater control panel as well as a CO concentration displayer and a buzzer which are related to safety is mounted on the outer surface of a casing of the water heater body, a gas combustion chamber is arranged in a lower-half space inside the water heater body, a hot water pipeline winds around the outer part of the gas combustion chamber, a vent hole is formed in the top of the gas combustion chamber, and a CO detection device mounted inside the water heater casing is arranged in an upper space inside the water heater body; air inside the water heater casing communicates with the outside via a ventilation window on the casing, and the CO detection device is connected with external equipment via circuit access holes in the CO detection device. The gas water heater can detect the CO concentration in real time during usage and can send out an alarm signal and immediately turn off a working power supply of the gas water heater when the CO concentration exceeds allowable concentration, so that life safety of users is guaranteed. Besides, the gas water heater is simple in structure, small in size and reliable in function.

Gas water heater capable of detecting CO concentration

The invention discloses a fuel gas water heater with a function of quickly exhaustingCO. The fuel gas water heater comprises a water heater body, a CO concentration monitoring sensor, a micro processing controller, an alarm module, a control switch and a control power supply, wherein the control switch is used for communicating or cutting off the control power supply; the CO concentration monitoring sensor is used for monitoring CO concentration in air, and transmitting the concentration signal to the micro processing controller; the micro processing controller is further connected with an air blower; the micro processing controller can control the air blower to work; the air blower is directly connected with an outdoor window; the air blower is used for discharging carbon monoxide in air; when concentration, monitored by the CO concentration monitoring sensor, of the carbon monoxide is set to reach a threshold value I, the air blower starts working forquickly dischargingcarbon monoxide; when concentration of carbon monoxide reaches a threshold value II, the power supply of the fuel gas water heater is cut off; and the fuel gas water heater which is used for automatically controlling CO concentration bymonitoring CO and giving out an alarm in stages is relatively safe and reliable.

Fuel gas water heater with function of quickly exhaustingCO

The utility model discloses a gas water heater with a catching fire monitoring device and a CH4 and CO alarm function. The gas water heater comprises a control processor and an information detecting device in communication connection with the control processor. The information detecting device at least comprises a gas sensor and a smoke sensor. The gas sensor is used for detecting gas concentration information. The smoke sensor is used for detecting catching fire information. The control processor is respectively connected with an air valve and a relay and used for closing the air valve when receiving the information that the gas concentration detected by the gas sensor exceeds the standards, and closing the air valve and the relay when receiving the catching fire information detected by the smoke sensor. By the gas heater, gas leakage and excessive CO caused by insufficient combustion can be processed and warned effectively, and timely warnings of risky conditions such as environmental fires and self-burning-through can be given out.

Gas water heater with catching fire monitoring device and CH4 and CO alarm function

The utility model provides an electric power storage formula marsh gas drive compression heat pump system, including methane fuelled engine, compression cycle system and electric power storage system, the electric power storage system includes storage battery, generator, power controlling means, electric power storage circuit and power supply line, and generator erection takes turns to in the rotation of methane fuelled engine, and the generator is connected with the start power and the complete machine controlling means power input end of methane fuelled engine by power controlling means by electric power storage line connection in storage battery, storage battery. Through setting up the electric power storage system, can turn into the rotational kinetic energy of methane fuelled engine the electric energy and store in storage battery, can be for the start-up of methane fuelled engine and complete machine controlling means's operation power supply, the energy utilization who improves the system is rateed.

Electric power storage formula marsh gas drive compression heat pump system

The invention belongs to the field of gas purification, and particularly relates to a CO purifier. The CO purifier comprises a honeycomb ceramic substrate and a catalyst layer attached to the surface of the honeycomb ceramic substrate, wherein the catalyst layer comprises a catalyst carrier and active component particles dispersed inside the carrier; the active component consists of one or more of noble metals. The CO purifier has the advantages of high mechanical strength, small thermal expansion coefficient, high temperature resistance, high thermal stability, good CO purifying effect, long service life and the like. The invention further provides a gas heater with the CO purifier.

Cao Guanzhong

Papers

Gas water heater with CH4, CO and fire monitoring device and alarm function

Gas water heater with catching fire monitoring device and CH4 and CO alarm function

Electric power storage formula marsh gas drive compression heat pump system

CO purifier and gas heater with same