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2750 results about "Water heating" patented technology

Water heating is a heat transfer process that uses an energy source to heat water above its initial temperature. Typical domestic uses of hot water include cooking, cleaning, bathing, and space heating.

Plate-and-shell type coal economizer

The invention belongs to the technical field of power station boiler waste heat recycling energy-saving equipment and relates to a plate-and-shell type coal economizer. The plate-and-shell type coal economizer comprises a corrugated plate heat exchange core body (1), a heat exchanger shell (2), a first and a second water inlet / outlet water tank (3, 3') and a first and a second exhaust gas inlet / outlet pipeline (4, 4'), wherein the corrugated plate heat exchange core body (1) is mounted in the heat exchanger shell (2), the first and second water inlet / outlet water tanks (3, 3') are respectively arranged at the upper and lower ends of the front side of the corrugated plate heat exchange core body (1), and the first and second exhaust gas inlet / outlet pipelines (4, 4') are respectively arranged at the upper and lower sides of the corrugated plate heat exchange core body (1). The plate-and-shell type coal economizer solves the problem that the length of a water passage needs to be increased to solve the problem of unapparent water heating due to the great difference between an exhaust gas density and a water density, and meanwhile, a corrugated passage at the exhaust gas side enables the exhaust gas flow turbulivity to be increased and the heat transfer efficiency to be improved; the blockage due to ash accumulation happens rarely, even if the ash is accumulated, the cleaning is easy to finish.
Owner:TONGJI UNIV

Low-vacuum circulating water heating dynamic load matching method based on AI regulation and control

The invention discloses a low-vacuum circulating water heating dynamic load matching method based on AI regulation and control, and the method comprises the following steps: step S100, multi-source data real-time collection: building thermal environment parameters are synchronously collected through a temperature sensor array, a vacuum pressure transmitter, a flowmeter and an environment monitoring unit which are deployed in a distributed manner; according to the method, the control period is compressed to the minute level, compared with traditional PID control, the response speed is increased by several times, the indoor temperature can be controlled more accurately, and meanwhile the failure rate of equipment is reduced. According to the sudden weather coping mechanism, heat supply strengthening can be started 30 minutes ahead of time under extreme weather such as snowstorm weather, and the stability of the system is ensured. The method is characterized in that the prediction advantage of deep learning and the optimization capability of model prediction control are deeply combined, and the control problem of multivariable strong coupling of the low vacuum system is solved through a verification system of multi-source data fusion and virtual-real combination.
Owner:华能吉林发电有限公司农安生物质发电厂

Systems and Methods for a Wireless Cascading Water Heating System

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.
Owner:RHEEM MFG CO

New energy large base-oriented multi-mode power generation system and operation method thereof

The invention relates to the technical field of peak regulation of power generation systems, in particular to a multi-mode power generation system for a new energy large base and an operation method of the multi-mode power generation system. The multi-mode power generation system comprises a thermal power station and a fused salt energy storage power station. The thermal power station comprises a boiler, a first turbine, a first water return unit and a first generator; the fused salt energy storage power station comprises a high-temperature fused salt tank, a low-temperature fused salt tank, a fused salt heating unit, a steam-water heating unit, a second water return unit, a second steam turbine and a second generator; an air inlet of the fused salt heating unit is configured to obtain steam flowing out of the boiler, and a second discharging opening of the fused salt heating unit is connected with the first water return unit; an air outlet of the steam-water heating unit is connected with the first steam turbine and the second steam turbine. The first water return unit and the second water return unit are connected with a second feeding port of the steam-water heating unit. The multi-mode power generation system can set different operation modes according to different requirements, so that the new energy large base can meet higher requirements.
Owner:THREE GORGES ONSHORE NEW ENERGY INVESTMENT CO LTD

Managing charge allocation and optimizing multi-mode performance of air-source integrated heat pumps

An improved heat pump including an integrated system for the management of refrigerant charge is provided. The integrated system actively adjusts charge allocation and thereby optimizes operational efficiencies in all modes of operation. In one embodiment, the integrated system includes three four-way valves, two expansion valves, two one-way check valves, and a suction line accumulator to optimize charge allocation. The four-way valves dictate the mode switch and refrigerant flow directions, and the expansion valves automatically allocate refrigerant mass in active components and store excess charge in an idle heat exchanger and suction line accumulator by controlling the compressor discharge pressure (equivalent to controlling condenser subcooling degree) as a function of the entering air and water temperatures. The integrated system provides seven working modes and is uniquely suited for spacing cooling, spacing heating, and water heating in both residential and commercial applications.
Owner:UT BATTELLE LLC

Water heating pipeline pressure self-adaptive regulation and control method and system based on Internet of Things

The invention provides a water heating pipeline pressure self-adaptive regulation and control method and system based on the Internet of Things, and belongs to the technical field of intelligent control of pipelines of the Internet of Things. According to the technical scheme, the method comprises the steps of building a pipeline acoustic sensing network, collecting pipeline external voiceprint signals to generate lightweight feature data, building a voiceprint-pressure mapping model based on the feature data, outputting a real-time pressure value, generating a pipe network state diagram based on the real-time pressure value, generating a pressure regulation and control instruction based on the pipe network state diagram, and achieving pressure self-adaptive regulation. Feedback data is collected according to the regulation and control result, and mapping model parameters are updated. The method has the advantages that the pipeline acoustic sensing network is constructed, edge calculation, depth feature extraction and the parallel neural network are combined, the pressure self-adaptive regulation and control capacity which does not need invasive sensing arrangement and has timeliness and robustness is achieved, meanwhile, a feedback closed loop is formed through a voiceprint-pressure mapping model, and the method is suitable for large-scale popularization and application. And the processing capacity of the system on complex dynamic working conditions is improved.
Owner:THE FIRST COMPARY OF CHINA EIGHTH ENG BUREAU LTD

Heat pump equipment and hot water heating system

The invention discloses heat pump equipment and a hot water heating system, and belongs to the technical field of household appliances. The heat pump equipment comprises a box body, a heat pump assembly, a fan assembly, a pipeline assembly and an electric control box, the heat pump assembly comprises a compressor, a first heat exchanger, a second heat exchanger and a refrigerant pipeline, an inner cavity of the box body is divided into an air inlet cavity and an air outlet cavity through the first heat exchanger, and the compressor, the second heat exchanger, the pipeline assembly and the electric control box are arranged in the air inlet cavity; the fan is arranged in the air outlet cavity, the refrigerant flow path, the compressor and the first heat exchanger are connected through a refrigerant pipeline to form a refrigerant circulation loop, and the second heat exchanger is connected with the water pump, the water inlet pipe and the water outlet pipe through a water flow pipeline to form a water supply pipeline. In addition, the pipeline assembly is arranged on the front side of the refrigerant pipeline, maintenance is more convenient, and the working efficiency is effectively improved.
Owner:GD MIDEA AIR CONDITIONING EQUIP CO LTD +1

Complementary energy recovery device for biogas power generation in waste incineration power generation project

The utility model relates to the field of energy recovery, in particular to a waste energy recovery device for biogas power generation in a waste incineration power generation project. The utility model provides a waste energy recovery device for biogas power generation of a waste incineration power generation project, which can be used for recovering waste heat in waste gas generated by waste incineration power generation and biogas power generation and improving the energy utilization efficiency. A waste energy recovery device for biogas power generation in a waste incineration power generation project comprises a first connecting pipe, a first connecting hollow pipe and the like, and the rear side of the first connecting pipe is connected with the first connecting hollow pipe. After waste gas flows into the connecting heat conduction pipe, water in the first water tank is heated, hot water can be discharged for use through the water discharging pipe, and water vapor generated in the water heating process can flow into the steam generator from the steam pipe to generate electricity. The effects that waste heat in waste gas generated by waste incineration power generation and biogas power generation can be recycled, and the energy utilization efficiency is improved are achieved.
Owner:ZHONGCHENGYUAN (BEIJING) ENVIRONMENTAL TECH CO LTD

Gas water heating device and condensing heat exchanger thereof

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.
Owner:A O SMITH (CHINA) WATER HEATER CO LTD

Pipe orifice laser welding tool for butt joint of leakproof water heating pipelines

The invention relates to the technical field of water heating pipeline welding, and discloses a pipe orifice laser welding tool for butt joint of anti-leakage water heating pipelines, which comprises a laser welding table, two side plates are symmetrically distributed at the top of the laser welding table, placing cylinders are arranged on the two side plates, and pipeline bodies are arranged in the two placing cylinders; an L-shaped plate is further arranged at the top of the laser welding table, a first electric push rod is arranged at the top of the L-shaped plate, and a laser welding head is arranged at the output end of the first electric push rod. According to the pipe orifice laser welding tool for butt joint of the leakproof water heating pipelines, the problem of traditional welding position deviation is effectively solved through the calibration component. Under the action of the pushing assembly and the limiting assembly, the position of the pipeline is accurately adjusted through movement of the inner rod and compression and release of the calibration spring, and it is ensured that a connector and a laser welding head are accurately aligned. The process effectively avoids insufficient welding and welding skips, forms uniform and compact welding seams, reduces the leakage risk during operation of the water heating system, prolongs the service life of the pipeline, and reduces the later maintenance cost.
Owner:JINAN HENENG CONSTR ENG CO LTD

Gas water heating equipment

The utility model provides gas water heating equipment. The gas water heating equipment comprises a condensation heat exchange assembly, an atomization assembly and a condensate water treatment assembly. The condensation heat exchange assembly comprises a first shell and a heat exchanger, the first shell is provided with a heat exchange cavity, a smoke inlet, a smoke outlet channel and a water outlet, the smoke inlet, the smoke outlet channel and the water outlet communicate with the heat exchange cavity, and the heat exchanger is arranged in the heat exchange cavity. The atomization assembly comprises an atomization shell and an atomization device, the atomization shell is provided with an atomization cavity, a water inlet and a mist outlet, the water inlet and the mist outlet are communicated with the atomization cavity, and the atomization device is installed at the bottom of the atomization cavity; the end, provided with the mist outlet, of the atomization shell extends into the bottom of the heat exchange cavity to form a water retaining part. And the condensate water treatment assembly is communicated between the water outlet and the water inlet. By arranging the water retaining part and the condensate water treatment assembly, condensate water needs to be subjected to acid neutralization treatment through the condensate water treatment assembly and then atomized through the atomization device, the atomization device is prevented from being soaked in an acid environment for a long time to work, and the service life of the atomization device is prolonged.
Owner:GUANGDONG VANWARD NEW ELECTRIC CO LTD

Auxiliary support for water heating pipeline installation

The invention relates to the technical field of water heating pipeline installation, and discloses an auxiliary support for water heating pipeline installation, which comprises a bottom plate, a first moving assembly is arranged on the bottom plate, an adsorption box is installed on the first moving assembly, a hollow shaft is rotatably connected to the adsorption box, an adsorption opening is formed in the hollow shaft, and the adsorption opening is communicated with the adsorption box. A draught fan is fixed to the lower portion of the adsorption box, a motor assembly for driving the hollow shaft to rotate is arranged in the adsorption box, electric clamping jaws for clamping the water heating pipeline are arranged on the two sides of the adsorption box correspondingly, and a second moving assembly for adjusting the moving positions of the electric clamping jaws is arranged on the bottom plate. A plurality of moving wheels are fixed below the bottom plate; and dust and impurities on the hot melting part of the water heating pipeline can be conveniently cleaned through the rotating brush cleaning block, and can be discharged through the fan, so that dust and impurity residues on the hot melting part of the water heating pipeline are reduced, and the hot melting connection quality of the water heating pipeline is favorably improved.
Owner:SHANDONG CHUNXIA CONSTR ENG CO LTD

Device and method for simulating hydro-thermal influence of seasonal frozen area environment on pile-soil foundation

The invention belongs to the technical field of soil analysis, and particularly discloses a device and method for simulating the influence of a seasonal frozen region environment on the water heating power of a pile soil foundation. The device comprises an experiment box, an environment airflow simulation device, a pressing device, a separation device, a water supplementing device, a heating device, a moisture detection device, a temperature detection device, a compaction degree detection device, a pile body and a control system, wherein the control system is used for receiving signals of the moisture detection device, the temperature detection device and the compaction degree detection device and controlling all the devices to operate. Devices such as a removable partition plate, a thin film and a jack are arranged, and monitoring and control of soil moisture and compactness are performed, so that a real multi-layer soil environment is highly simulated, and the experiment accuracy and the result reliability are improved; in a freezing and thawing cycle process, a moisture transmission condition which is the same as that of a real multi-layer soil environment is accurately provided; the temperature gradient is constructed by the soil temperature in the box and the external atmospheric temperature, the temperature control can be optimized, the energy consumption is reduced, and an efficient and accurate platform is provided for the water thermal research of the pile-soil foundation in the seasonal frozen region.
Owner:NORTHEAST FORESTRY UNIV

Air conditioner and control method of air conditioner

The invention discloses an air conditioner and a control method of the air conditioner, and the air conditioner comprises a heat exchange flow path on which a living water tank is placed, and the heat exchange flow path is used for realizing heat exchange between the living water tank and a refrigerant circulation flow path; the control valve group is arranged on the refrigerant circulating flow path and is used for opening or closing the refrigerant circulating flow path; the controller is connected with the control valve group and the four-way valve, the controller is configured to obtain a target operation mode of the air conditioner, and the target operation mode is any one of a heating mode, a refrigerating mode or a water heating mode; according to the target operation mode, the on-off states of the control valve set and the four-way valve are controlled so as to adjust the indoor temperature or adjust the water temperature of the living water tank, the air conditioner can meet the requirements of a user for refrigeration, heating and water heating, waste heat generated during refrigeration or heating is fully used for making hot water, and therefore environmental thermal pollution is reduced, and the energy consumption of the air conditioner is reduced. And energy waste in the operation process of the air conditioner is avoided.
Owner:HISENSE (GUANGDONG) AIR CONDITIONER

Water dispensing station

To provide a dispenser that dispenses abundant kinds of water such as water having different chemical characteristics such as alkali water or water having different carbonation levels at different temperatures.SOLUTION: A beverage station includes a spigot that fluid communicates with an ambient temperature water passage and where chilled water and alkali water are mixed to provide chilled alkali water. A hot water heating element is located below the spigot so that hot water flows upward for dispensing from the spigot, and a vent passage between the heating element and the spigot helps the hot water to flow from the spigot to the heating element. A refrigeration system and a carbonation system are also provided. The refrigeration system uses the ice-bank technology. An underwater agitator pump improves heat exchanged between an ice-bank and water by forced convection. The agitator pump operates based on a temperature of beverage water. A figure eight-shaped evaporator coil can provide two cylindrical ice banks and two drinking water coils to increase a water chilling capacity.SELECTED DRAWING: Figure 2A
Owner:PEPSICO INC

Control method and related device for steam condensate waste heat recovery and waste water heating

The invention discloses a control method for steam condensate waste heat recovery and waste water heating, a control device for steam condensate waste heat recovery and waste water heating, control equipment and a computer readable storage medium. The thermal load and the logarithmic average temperature difference are calculated based on the energy conservation principle, and the needed heat exchange area is calculated through a logarithmic average temperature difference method. A flow combination scheme of the plate heat exchanger is determined according to the heat exchange area and the flow parameters, a steam condensate side adopts a single flow, and a waste water side adopts asymmetric configuration of double flows or multiple flows so as to adapt to the flow difference of the two sides. In addition, a real-time monitoring mechanism is further established, when the total heat transfer coefficient is decreased by more than 10%, a cleaning program is automatically triggered, continuous and stable operation of the system is guaranteed, and efficient utilization of waste heat resources is achieved.
Owner:QINGHAI CSG NEW ENERGY TECHNOLOGY CO LTD

Air conditioner control method and apparatus, multi-split air conditioner, and storage medium

The present application provides an air conditioner control method and apparatus, a multi-split air conditioner, and a storage medium. According to the present application, when the multi-split air conditioner has a refrigeration requirement and a water heating requirement at the same time, mode determination is performed on the basis of a water tank temperature and a heating energy requirement of a heating water tank, and a total energy requirement of all air conditioner indoor units that are acquired, so as to determine a target heat recovery mode of the multi-split air conditioner, and then communication states between reversing apparatuses and throttling elements are adjusted on the basis of the target heat recovery mode.
Owner:GD MIDEA AIR CONDITIONING EQUIP CO LTD +1

Wearable device for rewarming lower limbs

The invention discloses a wearable device for lower limb rewarming, and relates to the technical field of medical instruments. The wearable device for rewarming the lower limbs comprises an outer constraint sleeve, an inner constraint sleeve and a mounting box, a heat preservation pipe is arranged between the outer wall of the outer constraint sleeve and the outer wall of the inner constraint sleeve, notches are formed in one side of the outer constraint sleeve and one side of the inner constraint sleeve, a zipper is arranged at the positions, located at the notches, of the outer wall of the outer constraint sleeve, and a puller is arranged on the zipper; a water tank is fixedly connected into the mounting box, a water outlet pipe is connected to the inner wall of one side of the water tank in a penetrating mode, and a water pump is arranged in the mounting box. Through driving of the water pump, purified water enters the heat exchange structure through the conversion pipe to be heated and then enters the heat preservation pipe through the hot water conveying pipe, a closed hot water circulation channel is formed, continuous supply of hot water and rewarming of the lower limbs are effectively guaranteed in a water heating mode, blood circulation is effectively promoted, and postoperation hypothermia is avoided.
Owner:THE SECOND AFFILIATED HOSPITAL ARMY MEDICAL UNIV

Chicken breeding auxiliary heating equipment

The utility model discloses auxiliary heating equipment for chick breeding, relates to the technical field of chick breeding, and aims to solve the problems that most of existing heating equipment performs fixed-point rapid heating, so that temperature distribution in a chicken coop is nonuniform, and the temperature in the chicken coop continuously and rapidly fluctuates and the health of chicks is affected due to the fact that the existing heating equipment needs to be turned on and turned off due to the energy consumption problem. Comprising a supporting frame and multiple layers of coops vertically arranged in the supporting frame at intervals, a manure belt matched with the coops is arranged below each layer of coops, and heating pipes evenly distributed in the extending direction of the coops are fixedly installed below each layer of coops. Through cooperation of the supporting frame, the coops, the manure belts, the heating pipes and the water body heating equipment, the heating pipes are laid at the bottom of each layer of coops, heating is conducted through the heating pipes, the growth problem caused by uneven temperature is avoided, meanwhile, it is ensured that the proper temperature is kept in the brooding room for a long time, and the requirement for long-time stable growth of chicks can be better met.
Owner:HENAN WINWORLD LIVESTOCK MASCH CO LTD

Boiler, boiler assembly, and water heating system

A boiler is provided that is configured for use with an indirect water heater and a hydronic space heating system. When a heat source is firing at a predetermined firing rate, the boiler compares the firing rate to a predetermined firing rate and controls the water flow based on a simultaneous heat demand from the hydronic space heating system and the indirect water heater based on a result of the comparing the firing rate to the predetermined firing rate. A boiler is also provided with a carbon dioxide gas sensor that detects a value of carbon dioxide. When the value of carbon dioxide exceeds a selected value of carbon dioxide, the boiler reduces the predetermined firing rate. A kit for a boiler assembly and a method for assembling a stand to a boiler are also provided.
Owner:LAARS HEATING SYST

Structure of incinerator waste heat boiler

The utility model relates to the technical field of incinerator waste heat boilers, and discloses a structure of an incinerator waste heat boiler, which comprises a waste heat box, communication boxes are fixedly mounted in the middles of two sides of the waste heat box, and one end of the communication box positioned on one side is communicated with the top of an incinerator through a smoke pipe. Uniform water spray is continuously sprayed on the multiple sets of copper pipes through the water spraying disc, the high-temperature copper pipes can heat and vaporize water, high-temperature steam is generated and discharged from the steam pipe, meanwhile, after the waste heat box is used for a period of time, the motor can be driven to drive a screw in the self-cleaning mechanism to rotate, and the self-cleaning effect is achieved. The movable block in threaded connection with the screw can drive the multiple sets of cleaning cylinders to move on the copper pipe, scale attached to the copper pipe can be cleaned, the cleaned scale can be pushed into the recycling pipe along with movement of the cleaning brush, and the situation that the water heating efficiency of the copper pipe is greatly reduced and the waste heat recycling efficiency is reduced along with continuous increase of the scale is avoided.
Owner:NANJING CANUO ENERGY EQUIP

Gas water heating device and heating system

The utility model relates to the technical field of water heating, and particularly discloses a gas water heating device and a heating system. A burner; a heating water outlet and a heating water return port; the first channel is arranged between a water outlet of the first heat exchanger and a heating water outlet, and the second channel is arranged between a water inlet of the first heat exchanger and a heating water return port; the first connector and the second connector are communicated with the first channel or the second channel, the first connector is located on the upstream of the second connector, at least part of water flowing into the first channel or the second channel is led out to an external heat source through the first connector, and water heated by the external heat source flows into the first channel or the second channel through the second connector; the pump is arranged on the first channel or the second channel; the first flow adjusting device is used for adjusting the flow of water flowing to the first connector. According to the scheme, indoor temperature control can be achieved, and the heating requirement of a user can be met comfortably in an energy-saving mode.
Owner:A O SMITH (CHINA) WATER HEATER CO LTD +1

Water heating assembly of instant electric water heater

The utility model provides a water heating assembly of an instant electric water heater, which comprises an electric heating component and a heating liner, the heating liner is provided with an inner cavity with an opening at the upper end, the heating end of the electric heating component is inserted into the inner cavity from top to bottom, and the upper end of the electric heating component and the upper end of the heating liner are fixed and peripherally sealed; a water inlet connector and a water outlet connector which are communicated with the inner cavity are formed in the side wall of the heating container; a pressure relief valve seat is arranged on the outer wall of the heating container, a pressure relief channel is formed in the inner side of the pressure relief valve seat, a through hole communicated with the inner cavity and the pressure relief channel is formed in the side wall of the heating container, and a pressure relief hole communicated with the pressure relief channel is formed in the pressure relief valve seat; a valve element assembly is arranged in the pressure relief channel. When the water pressure in the inner cavity exceeds the opening pressure of the valve element assembly, the valve element assembly is opened, and water located in the inner cavity is discharged through the through hole, the pressure relief channel and the pressure relief hole in sequence for pressure relief. According to the utility model, the heating liner can be effectively prevented from bursting, and the potential safety hazard is eliminated.
Owner:NINGBO DENGPING AUTOMATION CO LTD

Methods and systems and apparatus to support reduced energy and water usage

A water heating system 300 has a water inlet 302 for receiving mains cold water, a water outlet 304 to provide hot water on demand, e.g. to a tap, a controller 340 and a water circuit comprising a hea
Owner:OCTOPUS ENERGY HEATING LTD

Air conditioner and water heating all-in-one machine with temperature control and dehumidification functions

The utility model provides an air conditioner and hot water all-in-one machine with temperature control and dehumidification functions, which comprises a compressor, an outdoor heat exchanger, a first indoor heat exchanger, a second indoor heat exchanger, a refrigerant-water heat exchanger and a liquid storage device, and the exhaust end of the compressor is communicated to one end of the outdoor heat exchanger, one end of the first indoor heat exchanger or one end of the refrigerant-water heat exchanger. One end of the second indoor heat exchanger communicates with the exhaust end or the air suction end of the compressor, the other end of the second indoor heat exchanger communicates with the liquid storage device, and the other end of the outdoor heat exchanger, the other end of the first indoor heat exchanger or the other end of the refrigerant-water heat exchanger communicates with the interior of the liquid storage device. The suction end of the compressor communicates with one end of the outdoor heat exchanger or one end of the first indoor heat exchanger. According to the utility model, the modes of refrigeration and water heating, heating and water heating and dehumidification and water heating can be realized at the same time, the system can also adapt to the refrigerant circulation amount in different modes, the problem of high power consumption is solved, the problem that the requirement of comfort cannot be met is solved, and the system runs efficiently.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

Gas water heating equipment

The utility model discloses fuel gas water heating equipment, which relates to the technical field of water heating equipment, and comprises a main machine body, a fuel gas water heater and a water heater, the fan and water pump assembly is installed on the main machine body and comprises a driving device, a fan assembly and a water pump assembly, the fan assembly and the water pump assembly are in driving connection with the driving device, the fan assembly is communicated with the air path system, and the water pump assembly is communicated with the water path system. The driving device is used for controlling the fan assembly and the water pump assembly to operate, so that the fan assembly drives airflow to flow along the air path system, and the water pump assembly drives water flow to flow along the water path system. According to the technical scheme, the cost of the gas water heating equipment can be reduced, the size of the whole machine is reduced, and meanwhile the assembling efficiency of the whole machine can be improved.
Owner:WUHU MIDEA KITCHEN & BATH APPLIANCES MFG CO LTD +1

Tank water heater and water heating system

A water heater includes first and second cylindrical tank portions, a water outlet stub, and a connecting pipe. The first cylindrical tank portion is capped by a first domed head at a first end of the first cylindrical tank portion and a second domed head at a second end of the first cylindrical tank portion. The water outlet stub is connected to the first domed head. The second cylindrical tank portion is capped by a third domed head at a first end of the second cylindrical tank portion and a fourth domed head at a second end of the second cylindrical tank portion. The first and second domed heads each have an inwardly facing concave surface and an outwardly facing convex surface. The third and fourth domed heads each have an outwardly facing concave surface and an inwardly facing convex surface.
Owner:A O SMITH

Carnot cell system for heating heat supply network water in cascade mode and operation method of Carnot cell system

The invention discloses a Carnot battery system for cascade heating of heat supply network water and an operation method of the Carnot battery system, and belongs to the technical field of Carnot battery systems, the system comprises a steam turbine power generation system, a heat supply network water heating system, an electricity-to-heat system and a storage tank heat storage and release system. Based on a traditional Carnot battery system, the heat supply network heat exchanger is additionally arranged on the heat storage part of the storage tank system, so that the thermoelectric load characteristic interval of the system is expanded, and the operation flexibility of the system is improved. And meanwhile, abandoned electricity of a new energy station can be reduced, and the network access rate of new energy is increased. In addition, the temperature of the heat storage medium entering the heat source heat exchanger is reduced by heating heat supply network water, so that the COP and the round-trip efficiency of the system are improved; the heat exchange loss of heat supply network water is reduced due to the cascade heating system, and the energy utilization rate is increased. Compared with a traditional Carnot cell system, the system has higher efficiency and lower coal consumption, and theoretical reference and technical transformation can be provided for coal-electricity low-carbon flexible transformation.
Owner:STATE GRID HENAN ELECTRIC POWER ELECTRIC POWER SCI RES INST

Server cooling system and control method and device thereof

The invention provides a server cooling system and a control method and device thereof, and relates to the technical field of servers. The server cooling system comprises a liquid cooling server, a flow adjusting device, a cooling tower heat dissipation module and a water heating module. The cooling tower heat dissipation module and the water heating module are arranged in parallel, the inlet end of the cooling tower heat dissipation module and the inlet end of the water heating module are both connected with the outlet end of the liquid cooling server, and the outlet end of the cooling tower heat dissipation module and the outlet end of the water heating module are both connected with the inlet end of the liquid cooling server. The flow adjusting device is used for adjusting the flow of the cooling medium flowing through the cooling tower heat dissipation module and the water heating module. According to the server cooling system and the control method and device thereof, heat dissipation can be carried out in multiple modes, heat generated by the liquid cooling server can be recycled, and energy consumption of heat dissipation of the liquid cooling server can be reduced.
Owner:EMERSON NETWORK POWER CO LTD

Multifunctional tea bar machine

The utility model belongs to the technical field of tea bar machines, and particularly relates to a multifunctional tea bar machine. Comprising a tea bar machine body, and a heating kettle and a heat preservation kettle are arranged on a water heating platform and a water heat preservation platform; the two transparent sleeves are fixedly installed on the left side and the right side of the top of the tea bar machine body respectively. The heating kettle and the heat preservation kettle are located in the two transparent sleeves respectively. The back plate is fixedly mounted on the rear side of the top of the tea bar machine body; a water outlet block is fixedly installed on the front side of the circular block, and a water outlet hole is formed in the front portion of the lower side of the water outlet block; the novel electric kettle is simple in structure and reasonable in design, the water outlet hole can be sealed when the novel electric kettle is used, the water outlet hole is prevented from being polluted when the novel electric kettle is not used, the heating kettle and the heat preservation kettle are wrapped and protected through the two transparent sleeves, and the novel electric kettle is convenient to use. And the tea bar machine is prevented from falling off from the tea bar machine body due to collision.
Owner:SICHUAN KEMAISI ELECTRIC APPLIANCE CO LTD