9887 results about "Water heater" patented technology

The invention discloses an equipment fault information sharing system and method based on the Internet of Things, and relates to the technical field of equipment fault sharing. Causal relationships among parts, faults and operation parameters are identified, real-time operation data, historical fault data and maintenance records are integrated, association relationships among various types of data are combined, a fault knowledge graph is constructed, and fault information sharing is performed. Reasoning is executed through a rule engine in the knowledge graph, possible fault causes are deduced, and cross-modal fusion is performed on fault phenomena, parameter changes and historical records to obtain a more accurate fault cause reasoning result. According to the sharing system, after the parts, the operation parameters and the fault types of the electric water heater are associated, the comprehensive fault knowledge graph is constructed, so that when the electric water heater breaks down, the parts which possibly have abnormity can be displayed to maintenance personnel after reasoning, the maintenance efficiency is improved, and the maintenance cost is reduced. And the use safety of the electric water heater after maintenance is guaranteed.

In an embodiment, a thermal management system for a vehicle includes a refrigerant circuit having a compressor, a condenser, an expansion valve, and an evaporator, all connected via refrigerant lines, so that refrigerant passes and circulates therethrough, a coolant circuit having a water pump, a chiller, a water heater, a heater core, and a battery coolant passage through a coolant line, a bypass line installed to connect a refrigerant line between the compressor and the condenser to a refrigerant line between the expansion valve and the evaporator, a branch line branched from the bypass line and connected to the coolant line of the coolant circuit through the chiller, and a valve device configured to control a flow of the refrigerant so that the refrigerant circulating along the refrigerant line flows by selectively passing through the bypass line, the branch line, and the chiller.

Systems and methods are provided for wireless cascading water heater systems. The wireless cascading water heater system may include several water heaters that may include one or more of a tankless water heater, a boiler, or a combination boiler, for example. One or more of the water heaters may communicate with a remote controller and / or a user device. The water heaters may further be in wireless communication with one another. One water heater may be designated the lead water heater and a second water heater may be designated the backup water heater. The lead water heater may oversee operation of the follower water heaters in response to a hot water demand. A hierarchical order may be determined for selecting which water heaters will respond to hot water demand and in what order. The hierarchical order may be based on the age of the water heater, burn time for the water heater for optimization and efficiency purposes.

Disclosed is a water heater including a case provided with an air supply hole and an air discharge hole, a burner provided in an interior of the case, and a humidified air supply part that provides humidified air to the burner together with a fuel. The humidified air supply part includes a first accommodation tank that accommodates water to generate vapor, and a humidified air supply tank that provides a space for supplying the vapor supplied from the first accommodation tank to air introduced into an interior of the case through the air supply hole.

The invention discloses a building integrated energy system optimization scheduling method giving consideration to the comfort level of a light storage soft environment, and relates to the field of building energy system optimization scheduling, and the method comprises the steps: building a photovoltaic output uncertainty model based on Beta distribution according to typical daily solar radiation intensity data; secondly, constructing an energy storage model; thirdly, a comfort level quantitative model considering temperature regulation and control of the indoor air conditioner and the electric water heater is constructed, and the influence on the environmental comfort level is reflected laterally; and finally, according to the various formed models, constructing a building integrated energy system optimization scheduling model considering the light storage soft comfort degree, and performing solving based on a mixed integer linear programming method. The environment comfort level of the building integrated energy system can be quantified, the flexibility of the building integrated energy system is improved by introducing photovoltaic and energy storage equipment, flexible scheduling of load resources is facilitated, peak load shifting is better achieved, the operation cost of the building integrated energy system is reduced, and the operation efficiency of the building integrated energy system is improved.

The invention relates to the technical field of multi-energy complementary power generation, and discloses an industrial steam supply peak shaving system and method coupling fused salt heat storage and solar energy, and the industrial steam supply peak shaving system comprises a coal-fired power generation system and an industrial steam supply system; in the heat storage mode, the boiler, the steam cooler and the condenser are sequentially connected; in the heat release mode, the high-pressure heater, the primary feed water heater and the low-pressure cylinder are sequentially connected through pipelines; and the feed pump, the secondary feed water heater and the boiler are connected in sequence. In the low ebb of the electrical load, solar energy is used for heating fused salt to store heat, and part of high-temperature steam is extracted from steam-water circulation of the improved coal-fired power generation system to store the heat in a heat storage device and does not enter a steam turbine for power generation; the power load output is adjusted by adjusting the thermal load output of the thermodynamic system in the power generation process, and load decoupling of the boiler and the steam turbine is achieved. And in the electrical load peak, the stored heat energy is released back to steam-water circulation, and the electrical load of the coal-fired power generation system is increased.

The invention discloses a double-water-tank water heater, a control method, a storage medium and electronic equipment. The double-water-tank water heater comprises a heat pump unit, a heating water tank, a heat preservation water tank and a solar heat collector. The water outlet end of the heat pump unit is communicated with the first water inlet of the heating water tank, and the water inlet of the heat pump unit is communicated with the first water outlet of the heating water tank; a first water inlet of the heat preservation water tank is communicated with a second water outlet of the heating water tank, a first water outlet of the heat preservation water tank is communicated with a user water outlet end, and a second water outlet of the heat preservation water tank is communicated with a second water inlet of the heating water tank; the water outlet end of the solar heat collector is communicated with the third water inlet of the heating water tank, and the water inlet of the solar heat collector is communicated with the third water outlet of the heating water tank. According to the invention, when the heating triggering temperature of the heat preservation water tank is set to be low, heating can be quickly completed, the heating time is shortened, and the hot water outlet speed is ensured, so that the water outlet speed and the energy efficiency are both considered.

A hose assembly for use with a tankless water heater. The hose assembly includes a flexible hose, a first connector assembly, and a second connector assembly. The first connector assembly is fluidly coupled with the flexible hose and includes a first fitting. The first fitting is rotatably coupled with the first connector assembly such that the first fitting is independently rotatable relative to the flexible hose. The second connector assembly is fluidly coupled with the flexible hose opposite to the first connector assembly.

The invention discloses a water heater and a control method thereof, and relates to the technical field of water heaters. The condensing heat exchanger has a water collecting cavity; the atomization module is arranged in the water collecting cavity; the water path switching assembly is arranged among the water inlet main pipe, the main heat exchanger and the condensing heat exchanger, has a first working mode and a second working mode, and is used for sequentially communicating the water inlet main pipe, the condensing heat exchanger and the main heat exchanger to form a first flow path in the first working mode; in the second working mode, the water inlet header pipe communicates with the main heat exchanger to form a second flow path, and the water inlet end and / or the water outlet end of the condensation heat exchanger are / is disconnected from the second flow path; according to the condensation gas water heater, condensed water is discharged along with flue gas after being atomized, meanwhile, the water inlet path is switched through the water path switching assembly, and the problems that in the efficient flue gas waste heat recovery process of an existing condensation gas water heater, the condensed water generated is inconvenient to discharge, a pipeline is prone to being corroded, or frequent manual intervention is needed can be solved.

An on-demand water heater (12) includes a heat exchanger (25). Water is supplied to the water heater from a water source such as a well pump (16) or other source of water. The water supplied to the water heater is treated by at least one water conditioner 18. A plurality of electrical heating elements (26, 28, 30, 32) are supplied with electrical power from rechargeable battery pack (46). At least one circuit (48) is operative to control the delivery electrical power from the battery pack to the heating elements to provide for the delivery of heated water at a set temperature from the water heater. The battery pack of the water heater is recharged from an available supply of house current electrical power. The rechargeable battery pack of the exemplary water heater also provides an auxiliary source of electrical power for other devices in circumstances when electrical power from a usual supply source becomes unavailable.

The invention relates to the technical field of intelligent management and monitoring systems, and discloses a new energy equipment interconnection AI energy intelligent management and monitoring system. The light storage equipment is connected with a photovoltaic panel, an energy storage battery, a charging pile, an intelligent electric meter, a diesel engine and an intelligent charging socket; the charging pile is connected with an electric vehicle; the intelligent ammeter is connected with a power grid; the intelligent socket is connected with a water heater and common equipment; the light storage device, the energy storage battery, the charging pile, the intelligent electric meter, the diesel engine and the intelligent charging socket are connected with a cloud server through a router. The invention provides a new energy equipment interconnection AI energy intelligent management monitoring system. The system has the advantages that the hardware sales volume is doubled; according to the invention, insurance renewal service is provided for the user who has passed the equipment warranty period, usage of the user is ensured, insurance renewal service fund is increased, user experience is improved, power is continuously saved for the user through the system, an optimal power utilization strategy service is started for the user in a payment subscription mode, and software earnings except hardware are increased.

Examples of the present disclosure relate to systems and methods for providing hot water for a hot water heater and heating capacity for a climate control system by utilizing a Stirling heat pump system. The Stirling heat pump may be partially integrated into an indoor unit of the climate control system and a hot water heater. An additional indoor heat exchanger may receive heating fluid from the Stirling heat pump system to provide heating capacity in addition to another indoor heat exchanger of the climate control system. Further, the heating fluid circuit of the Stirling heat pump system may be partially integrated into a hot water tank for heating water. A controller may direct the flow of heating fluid from the Stirling heat pump to the hot water tank and / or the climate control system based on a request for heating.

The invention relates to a heat exchange type water heater with dry burning prevention and automatic water replenishing functions, which comprises a water tank, a heat exchange assembly, a water replenishing device, a liquid level sensor and a main control system, and a first heater is arranged in the water tank; the heat exchange assembly comprises a heat exchanger which is arranged in the water tank; the water replenishing device is used for replenishing water into the water tank; the liquid level sensor is used for detecting the liquid level in the water tank; the first heater, the heat exchange assembly, the water supplementing device and the liquid level sensor are electrically connected with the main control system. The master control system is configured to control the first heater to be closed and control the water supplementing device to work when it is detected that the liquid level in the water tank is lower than a first position. When it is detected that the liquid level is located between the first position and the second position, the first heater and the water supplementing device are controlled to work; the second position is located above the first position; when the liquid level is detected to be higher than the second position, the water supplementing device is controlled to be closed. By means of the liquid level sensor and the main control system, the purposes of preventing dry burning and automatically supplementing water are achieved.

The invention discloses a gas water heating device and a condensing heat exchanger thereof, and the condensing heat exchanger comprises a heat exchange chamber, a gas water heater, a gas water heater and a gas water heater, wherein the heat exchange chamber is provided with a flue gas inlet and a flue gas outlet; a heat exchange component is arranged in the heat exchange cavity, and condensate water generated on the heat exchange component flows to the bottom of the heat exchange cavity; the atomization cavity communicates with the heat exchange cavity, a condensate water output part is arranged at the bottom of the heat exchange cavity, and condensate water flowing out of the condensate water output part flows into the atomization cavity; the first flow channel is communicated with the atomization chamber, and the first flow channel is used for guiding flue gas, which does not completely exchange heat with the heat exchange component, in the upstream of the flue gas inlet or in the heat exchange chamber into the atomization chamber; the atomization module is used for carrying out atomization treatment on the condensate water flowing into the atomization cavity so that the condensate water can form water mist; and the water mist flows out of the condensation heat exchanger along with the flue gas flowing into the atomization chamber. A condensate water discharge pipe can be omitted, and secondary condensation of water mist can be prevented in the process that the water mist is discharged outwards through the smoke outlet pipe.

The invention discloses a condensation-free efficient heat exchange control method and system for a full-premixing water heater, and the method comprises the steps: collecting the multi-source information, such as air inlet temperature, humidity, gas flow, flue gas oxygen concentration and wall temperature, in real time, calculating a predicted dew point based on a dynamic dew point prediction model, and setting a dynamic safety boundary; the condensation risk is judged by comparing the wall temperature with the safety boundary, and active intervention is carried out in a staged cooperation mode that fuel gas and air volume are continuously adjusted firstly and then a partial combustion zone sectioning valve is rapidly turned off; the system comprises a main controller, a mesh-shaped infrared radiation burner, a sectional valve assembly, a gas proportional valve, a frequency conversion fan and related sensors. According to the invention, the system runs close to the condensation boundary through intelligent control, and the advantage of high operation heat efficiency is realized on the premise of ensuring high reliability.

The utility model relates to the technical field of water heaters, and provides a water path assembly and a water heater, the water path assembly comprises a shell, a thermostatic valve and a water replenishing valve; a water inlet channel, a cold water channel, a water supplementing channel, a hot water channel and a water using channel are formed in the shell, the water inlet channel is used for inputting cold water, the cold water channel and the water supplementing channel are both connected with the water inlet channel, the hot water channel is used for inputting high-temperature hot water, and the water using channel is used for outputting constant-temperature hot water. The cold water path and the hot water path are connected with the input end of the thermostatic valve, and the output end of the thermostatic valve is connected with the water path to output constant-temperature hot water through the thermostatic valve; the water supplementing valve is arranged on the shell and acts on the water supplementing waterway so as to control on-off of the water supplementing waterway. The thermostatic valve and the water replenishing valve are integrated on the shell, so that connecting nodes between the valve body and a pipeline are reduced, water leakage points are further reduced, the water leakage probability of the water path assembly is lower, and a water path system is more stable.

The invention discloses a control method of a gas water heater, the gas water heater and a storage medium. The method comprises the steps that the gas water heater is controlled to be shut down; a fan in the gas water heater is controlled to execute post-cleaning operation, and whether a water using signal of the gas water heater exists or not is detected; when the water consumption signal is detected, the fan is controlled to stop executing post-cleaning operation, and the gas water heater is controlled to execute ignition operation; and when the water consumption signal is not detected, the fan is controlled to maintain execution of post-cleaning operation until the operation duration of the post-cleaning operation is longer than the target duration. The invention aims to effectively shorten the restarting time of the gas water heater after the gas water heater is shut down and ensure the use safety of equipment at the same time.

The invention discloses a distributed photovoltaic low-voltage grid-connected four-layer combined flexible voltage control method. The method comprises the following steps: firstly, acquiring distributed photovoltaic output power prediction data and user load power prediction data of the next day, and predicting a voltage upper limit exceeding time period without flexible control; determining a starting strategy of the water storage type electric water heater based on the upper limit exceeding starting time period predicted in the previous day and the actual voltage upper limit exceeding condition of the current day; if the condition that the voltage of the user side exceeds the upper limit still occurs, the reactive power consumption of the inverter is increased to reduce the voltage to a qualified range; if the reactive power consumption of the photovoltaic inverter reaches the limit value and is still insufficient to realize the control purpose, adjusting the inverter to reduce the active power of photovoltaic power generation so as to reduce the voltage to a qualified range; and if the condition that the voltage exceeds the upper limit still exists, the photovoltaic active power is forcibly reduced through tripping of the asymmetric grouping intelligent switch until the voltage is reduced to be below the allowable upper limit value. The problem that the voltage exceeds the upper limit caused by distributed photovoltaic large-scale grid connection can be solved.

The invention relates to the chemical field of efficient catalytic conversion of biomass platform compounds into high-added-value chemicals, and particularly provides a preparation method of a flower-shaped nickel aluminum oxide and application of the flower-shaped nickel aluminum oxide in preparation of furfuryl alcohol through catalytic transfer hydrogenation of furfural. The preparation method mainly comprises the following steps: dissolving 0.01 mol of aluminum nitrate, 0.02 mol of nickel nitrate and 0.084 mol of urea in 60 ml of deionized water, stirring at room temperature for 1 h to form a clear solution, transferring the clear solution into a lining of a hydrothermal kettle, aging at 140 DEG C for 7 h, naturally cooling to room temperature, and repeatedly washing with deionized water until the pH value of supernate is 7; and dispersing the separated green muddy precipitate in 200ml of methanol, stirring at room temperature for 2 hours, filtering and washing, and drying at 60 DEG C for 24 hours. And grinding the obtained hydrotalcite precursor into powder, putting the powder into a quartz boat, and carrying out high-temperature calcination for 2 hours in argon flow of 60 ml / min at the temperature of 500 DEG C to finally obtain the grey green solid catalyst. The metal oxide prepared by the invention has the characteristics of uniform components, rich acid-base sites and the like as a catalyst, and has the characteristics of simple preparation method, no need of reduction, environment friendliness and the like when being applied to industrial production. Therefore, when the catalyst is applied to a reaction for preparing furfuryl alcohol through furfural transfer hydrogenation, efficient conversion of furfural can be realized, the conversion rate can reach 100%, and the selectivity is 92.1%.

The invention discloses a flexible composite phase change material, a preparation method and a solar thermoelectric power generation system using the flexible composite phase change material. The flexible composite phase-change material is prepared by taking a hydrogenated styrene-butadiene block copolymer SEBS as a temperature-resistant and aging-resistant flexible matrix, an olefin block copolymer OBC as a flexible elastomer, paraffin PW as a phase-change material and expanded graphite EG as a porous heat-conducting reinforcing material through a melt blending method and through hot compression molding. The material has self-packaging performance, so that the paraffin can be prevented from leaking in a molten state; and the paraffin has good flexibility and bending performance in a molten state. According to the flexible composite phase change material, the phase change temperature ranges from 62.06 DEG C to 63.54 DEG C, the phase change latent heat ranges from 124.84 J / g to 136.14 J / g, and the heat conductivity coefficient ranges from 3.07 W / (m.K) to 4.54 W / (m.K). The solar thermoelectric power generation system is composed of a flexible composite phase change material, a thermoelectric power generation device, a radiator, a waterproof coating and a solar water heater, solar thermoelectric power generation and hot water production can be carried out through solar energy at the same time, and efficient light-heat-electricity conversion is achieved.

The invention discloses an energy-saving heating device, and relates to the technical field of energy-saving heating, the energy-saving heating device comprises a box body, the front side surface of the box body is rotatably connected with two blocking doors, the bottom of the inner wall of the box body is fixedly connected with a heat preservation layer, and the inner wall of the heat preservation layer is fixedly connected with a buffer heat preservation box; a heating rod is fixedly connected to the bottom of the inner wall of the buffer heat preservation box, a water outlet pipe is fixedly connected to the left side of the top of the heat preservation layer, a water stop valve is fixedly connected to the upper end of the water outlet pipe, a water inlet pipe is fixedly connected to the right end of the top of the heat preservation layer, and an instant water heater is fixedly connected to the upper end of the water inlet pipe. According to the energy-saving heating device, the arranged circulating pump can increase the water pressure in the water outlet pipe, the water pump is used in cooperation, hot water is forced to flow through the water outlet pipe at a higher speed, meanwhile, the multiple booster pumps are arranged in each floor, and when hot water of a certain floor cannot reach the floor, the booster pumps can provide larger power for water.

The invention discloses a water heater which comprises an inner container connected with a water inlet pipe; the filter element assembly is connected to the water inlet pipe in series, the filter element assembly comprises a filter element mounting seat and a filter element detachably connected with the filter element mounting seat, the filter element mounting seat is provided with a water inlet connector, the filter element comprises a shell and a water stop piece, the shell comprises a first shell and a second shell, one end of the first shell is open, the second shell is arranged at the open end of the first shell, and the water stop piece is arranged on the first shell. The end, facing the first shell, of the second shell is open and detachably connected with the first shell, the shells are provided with water inlet holes, the water stop pieces are arranged in the shells and located at the water inlet holes, when the filter element is separated from the filter element installation base, the water stop pieces block the water inlet holes, and when the filter element is connected with the filter element installation base, the filter element installation base pushes the water stop pieces to open the water inlet holes, and the water stop pieces are located in the water inlet holes. And the water inlet hole is communicated with the water inlet interface. According to the water heater, a user can have better bathing comfort, and the use experience of the user is greatly improved.

The utility model relates to the technical field of household appliances, and provides a water heater which comprises a machine body, a water inlet pipe assembly, a water outlet pipe assembly and a filtering assembly, the machine body is provided with an inner container assembly, the inner container assembly is provided with a water storage cavity, and the inner container assembly is further provided with a water inlet, a water outlet and a sewage outlet which are communicated with the water storage cavity; the water inlet pipe assembly penetrates through the water inlet; the water outlet pipe assembly penetrates through the water outlet; the filtering assembly penetrates through the sewage draining exit, and a water outlet of the filtering assembly and a water outlet of the water outlet pipe assembly are connected to the same water outlet. Hot water in the water heater can be discharged through the water outlet pipe assembly and can also be discharged through the filtering assembly, the water outlet pipe assembly and the filtering assembly are both connected with the same water outlet, when the water heater discharges sewage, it is not needed to wait for the temperature of the hot water to be reduced, filtered water can be reused, and the utilization rate of the hot water is effectively increased.

The invention relates to a horizontal integrated hairpin type feed water heater for a power plant. The horizontal integrated hairpin type feed water heater comprises a left pipe box, a right pipe box, two pipe plates, a group of feed water inlet and outlet pipes, a U-shaped pipe bundle, two straight-section shells, a hairpin bend connected with the two straight-section shells, a steam inlet, a drain outlet and other parts. The device is particularly suitable for heaters with small pipe side feed water flow and higher temperature rise; the high-temperature feed water and the low-temperature feed water are distributed in the two relatively independent tube boxes, so that the temperature difference stress of a tube plate and a tube box sealing head is avoided; the overheating section, the condensation section and the subcooling section are integrated in one device, so that the occupied area of the device and the number of connecting pipelines can be reduced; deformation stress caused by thermal displacement difference of two sections of barrel bodies of the equipment can be greatly reduced through four-support configuration; the overall height of the equipment can be reduced through horizontal arrangement, and overhaul and maintenance are facilitated.

The utility model relates to the technical field of waste heat recovery, and discloses a waste heat recycling device for biogas power generation, which comprises a heating tank body, the inner wall of the heating tank body is fixedly connected with a water storage inner container, the surface of the heating tank body is fixedly connected with a support frame, one end of the heating tank body is communicated with a smoke inlet pipeline, and the other end of the heating tank body is communicated with a smoke outlet pipeline. A smoke inlet valve is arranged on the surface of the smoke inlet pipeline, the upper end of the smoke inlet pipeline is in threaded connection with a mounting ring, and a filter screen is fixedly connected to the inner wall of the mounting ring. By arranging the smoke inlet pipeline, waste heat generated by biogas power generation enters the cavity between the heating tank body and the water storage inner container through the smoke inlet pipeline, the smoke inlet valve on the smoke inlet pipeline can control the inlet amount of waste heat smoke, and the waste heat smoke exchanges heat with the surface of the water storage inner container in the heating tank body. Water in the water heater is heated, the heated smoke is discharged through the smoke outlet pipeline, and the smoke outlet valve on the smoke outlet pipeline can adjust discharging of the smoke.

A packaging system for a hot water heater includes an outer box, a top insert, an offset filler, a base insert, and one or more side panels. The top insert contacts a top surface of the hot water heater and a top inside surface of outer box. The offset filler is coupled to the top insert and is sandwiched between the hot water heater and the outer box. The base insert contacts the bottom surface of the hot water heater and a bottom inside surface of the outer box. The base insert includes raised perimeter structures that form a shape that matches a shape of the bottom surface of the hot water heater. Each side panel includes a raised pattern.

A distributed hydrogenation device relates to the field of hydrogen energy application and comprises a water heater, a water cooler, a solid hydrogen storage system, a hydrogen booster pump, a cooler and a hydrogenation gun, the solid hydrogen storage system comprises a heat exchanger, a combined placement rack and a plurality of solid hydrogen storage modules, the water heater and the water cooler are connected with the heat exchanger, and the hydrogen booster pump is connected with the combined placement rack. A plurality of solid hydrogen storage modules are placed on the combined placing frame, metal hydrogen storage alloy is arranged in each solid hydrogen storage module and used for storing hydrogen, the solid hydrogen storage system is sequentially connected with the hydrogen booster pump, the cooler and the hydrogenation gun, and a buffer tank is arranged between the hydrogen booster pump and the hydrogenation gun. The temperature of the heat exchanger is regulated and controlled, so that the solid hydrogen storage system supplies hydrogen to the hydrogen booster pump at the required pressure, the hydrogen booster pump supplies hydrogen to the terminal vehicle-mounted hydrogen storage device through the hydrogenation gun after boosting to the required pressure, and the external hydrogen supply equipment supplements hydrogen to the solid hydrogen storage system regularly for the next cycle.

The utility model discloses a condensation heat exchanger and a condensation type gas water heater, the condensation heat exchanger comprises a box body provided with a smoke inlet and a smoke outlet, a baffle plate is arranged in the box body, the baffle plate divides an inner cavity of the box body into a smoke inlet flow channel communicated with the smoke inlet and a smoke outlet flow channel communicated with the smoke outlet, and the smoke inlet flow channel is communicated with the smoke outlet. A water collecting cavity for communicating the smoke inlet flow channel with the smoke exhaust flow channel is also arranged in the box body; the condensation heat exchange pipe is arranged in the smoke inlet flow channel and is separated from the smoke exhaust flow channel through the baffle plate, and the water collecting cavity is used for collecting condensate water generated by the condensation heat exchange pipe; and the atomization module is arranged in the box body, and the atomization module is used for atomizing the condensate water in the water collecting cavity. According to the technical scheme, condensate water can be drained without being externally connected with a drain pipe, and when the condensate water pipe is applied to the condensation type gas water heater, the installation convenience of the condensation type gas water heater and the appearance integrity of the whole machine can be improved.

The invention belongs to the technical field of new energy development and utilization, and particularly relates to a rural residence geothermal gradient utilization heating system which comprises a water collecting pump arranged in a water collecting well and used for collecting geothermal water in the water collecting well; the settling tower is communicated with the water outlet end of the water collecting pump and is used for filtering and settling the geothermal water collected by the water collecting pump; the inlet end of the flash evaporation heat exchange system is communicated with the settling tower, and the flash evaporation heat exchange system is used for circulating geothermal water and enabling the geothermal water to exchange heat with the cascade heat supply system; the cascade heat supply system is used for supplying heat to the indoor system by utilizing heat obtained by heat exchange with geothermal water; a water heater; the stepped heat supply system conducts heat preservation on the outdoor water pipe through heat obtained through heat exchange with geothermal water. The problems that the heat exchanger is seriously scaled, the heat exchange effect is invalid, even the heat exchanger is corroded and the temperature of recharged geothermal tail water is high due to the fact that existing geothermal heating is directly conducted through a plate heat exchanger can be solved.

The embodiment of the invention provides a gas water heater and a control method thereof. The gas water heater comprises a water supply pipeline; the combustor is used for heating the water supply pipeline; the fuel gas pipeline is used for conveying fuel gas to the combustor, and a fuel gas proportional valve and the combustor are sequentially connected in series on the fuel gas pipeline in the gas flow direction; the controller is used for responding to operation of a user, controlling the booster pump to pressurize water flow in the water supply pipeline at a first lift and controlling the gas proportional valve to work under a first working condition, so that the water outlet flow of the gas water heater exceeds the rated flow and the water outlet temperature reaches the expected temperature, the booster pump is used for being connected with the water supply pipeline, and the booster pump is used for being connected with the water supply pipeline; the first lift is larger than the rated lift of the booster pump, and when the gas proportional valve works under the first working condition, the thermal load of the gas water heater is larger than the rated thermal load. According to the gas water heater, constant-temperature water flow supply of super-lift water flow is achieved.