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1051 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

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

Electric tankless water heater scale detection

A water heating system includes a first heating chamber arranged in parallel with a second heating chamber; a first temperature sensor positioned to sense a first temperature in the first heating chamber; a second temperature sensor positioned to sense a second temperature in the second heating chamber; and a controller configured to: determine a first temperature value based on a first sensor signal from the first temperature sensor, determine a second temperature value based on a second sensor signal from the second temperature sensor, compute a differential between the first temperature value and the second temperature value, determine that scale buildup is indicated in response to the differential exceeding a first threshold, and initiate a corrective action in response to determining that scale buildup is indicated.
Owner:A O SMITH

Control method of gas water heating device

The invention discloses a control method of a gas water heating device, the gas water heating device comprises a combustion device, a first heat exchanger and a second heat exchanger which are arranged in sequence, flue gas generated by the combustion device flows through the first heat exchanger and the second heat exchanger in sequence, and at least part of water flow entering the gas water heating device flows through the second heat exchanger and the first heat exchanger in sequence; the gas water heating device further comprises an atomization cavity and an atomization generator, the atomization cavity communicates with the heat exchange cavity of the second heat exchanger so that condensate water generated in the second heat exchanger can flow into the atomization cavity, and the atomization generator is used for atomizing the condensate water flowing into the atomization cavity so that the condensate water can form water mist. The control method comprises the steps that the heat load needed by the gas water heating device for heating water entering the gas water heating device to the preset temperature is obtained; and controlling the working power of the atomization generator based on the thermal load. The problem that water mist formed by the condensate water atomization device is prone to secondary condensation at the position of the smoke exhaust pipe, and consequently water drips from the smoke exhaust pipe can be solved.
Owner:A O SMITH (CHINA) WATER HEATER CO LTD

Pre-Warmed Potable Water System and Method for Aircraft Galley Appliance Water Heater

Systems and methods for establishing a warmed potable water flow from an aircraft potable water supply with an ambient temperature absorbs and scavenges waste heat from an air chiller condenser exhaust of an air chiller circuit at a heat exchanger to pre-warm a potable water flow delivered to an aircraft galley appliance water heater, and to increase appliance water heating efficiency and to conserve electrical power for running aircraft galley appliance water heaters.
Owner:THE BOEING CO

Heat pump equipment and hot water heating system

The utility model 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

Electric control box, heat pump equipment and hot water heating system

The utility model discloses an electric control box, heat pump equipment and a hot water heating system, and belongs to the technical field of household appliances. Wherein the electric control box comprises a box body, an electric control board and a wiring assembly, two opposite sides of the box body are respectively provided with a first accommodating cavity and a second accommodating cavity, and the electric control board and an inner wiring seat are arranged in the first accommodating cavity; the outer wire holder is arranged in the second containing cavity and led out of the electric control box through the second circuit, the second circuit is used for being connected with external equipment, the first wire outlet is formed in the box body, the second circuit penetrates out of the electric control box through the first wire outlet, the inner wire holder and the outer wire holder can be integrated with the electric control box, the structure is more compact, and the electric control box is more convenient to use. The inner wire holder and the outer wire holder do not need to be installed separately, thereby saving installation space; and sealing elements are respectively arranged between the first box cover and the box body, between the second box cover and the box body and at the first wire outlet, so that the whole electric control box has better sealing performance, and the electric control box is suitable for heat pump equipment.
Owner:GD MIDEA AIR CONDITIONING EQUIP CO LTD +1

Water heating control device for poultry breeding house

The utility model relates to a water heating control device for a poultry breeding house, which is characterized in that a group of water heating radiators and a fan heater matched with the water heating radiators are connected between a drain pipe (3) and a water return pipe (4), a water tank water temperature detection probe is arranged at a water outlet of a water tank, and an inlet water temperature detection probe and an outlet water temperature detection probe are arranged at a water inlet and a water outlet of each radiator. A group of air temperature detection probes corresponding to the heat supply areas of the radiators are arranged in the poultry breeding house; a controller MCU is arranged, all the temperature probes are connected with the controller MCU through an RS485 bus, the collected measured values of all the temperature probes are transmitted to the controller MCU, the controller MCU operates a control program to send out an instruction, and corresponding switching devices are driven through connected driving circuits to control the warm air blower and the circulating pump to be started or stopped. The utility model has the advantages and effects that the warm air blower is ensured not to blow cold air to chicken bodies, the phenomenon of alternate blowing of cold air and warm air can be effectively prevented, and chicken flocks are prevented from getting ill due to cold air blowing.
Owner:BENGBU EI ELECTRONICS TECH

Exhaust fume collecting hood and gas water heating equipment comprising same

The utility model provides an exhaust fume collecting hood and gas water heating equipment comprising the exhaust fume collecting hood. The smoke collecting hood comprises a hood shell used for collecting smoke, a smoke exhaust pipe extending upwards from the hood shell, and a baffle assembly fixedly contained in the smoke exhaust pipe. The baffle assembly comprises a support fixedly installed in the smoke exhaust pipe, a rotating shaft arranged on the support and a pair of baffles which are arranged on the rotating shaft in a pivoted mode and can be opened and closed. The support is further provided with a limiting piece which extends upwards and abuts against the pair of baffles when the pair of baffles are clamped so as to limit the minimum clamping angle between the pair of baffles. By arranging the limiting piece, the baffle cannot cross the rotating shaft to be overlapped with the baffle on the other side after being blown up, and therefore the baffle can smoothly fall back to the original closing position.
Owner:VAILLANT WUXI HEATING EQUIP

Electric compressor and water heating heater integrated mechanism for new energy vehicle

The utility model relates to an electric compressor and water heating heater integrated mechanism for a new energy vehicle, which relates to the technical field of automobile part production, and comprises an electric scroll compressor body and a water heating electric heating assembly, and the electric scroll compressor body and the water heating electric heating assembly are respectively and fixedly arranged on a two-in-one controller. According to the electric scroll compressor, the electric scroll compressor body, the water heating electric heating assembly and the two-in-one controller are integrated into the same structure, a traditional split type installation mode is broken through, redundant space occupation among components is reduced, compact layout is achieved, meanwhile, through double-face installation and a base limiting structure, three-dimensional compact layout is further achieved, and the electric scroll compressor is more compact in structure. The limited vehicle body space requirement of the new energy vehicle is met; and the shell, the connector and other components are shared, the overall size is reduced by about 30%-40% compared with a split type scheme, and a layout space is vacated for a battery pack or other key components.
Owner:ANHUI DYNE AUTO AIR CONDITIONER LTD

Heat energy converter with self-cleaning function

The utility model discloses a heat energy converter with a self-cleaning function, which comprises a heat energy converter main body which is provided with a heat exchange pipe fitting through a heat exchange chamber inside the heat energy converter main body, a pure water storage and heating cavity for heating pure water to generate hot steam to heat a heat exchange pipe fitting is formed in the bottom end in the heat exchange chamber through a sealing partition plate, through cooperation of a micro pump body, a three-way valve and a cleaning filter, the pure water in the pure water storage and heating cavity can be conveniently and periodically filtered in a circulating mode, scale impurities are effectively removed, and the service life of the heat exchange pipe fitting is prolonged. The water scale is prevented from being accumulated and condensed in the cavity and on the heat exchange pipe fitting, and the problem that the water scale is condensed on the inner wall of the combustion heating chamber and the surface of the heating rod is solved, so that the service life of the heat energy converter is prolonged, and the maintenance cost is reduced.
Owner:TIANJIN NUANENGBAO TECH DEV CO LTD

Heating stove control method and heating stove

The invention belongs to the technical field of heating stoves, and particularly relates to a control method of a heating stove and the heating stove. The method comprises the steps that when a hot water function is started, initial required power and initial actual power of a heating furnace are determined by responding to starting of a heating function; based on a preset time interval, the position of the water outlet control assembly is adjusted according to the step length, and outlet water is used for hot water and heating at the same time; when the first step length is reached, real-time required power and target compensation power after each adjustment are determined, heating power is increased based on the target compensation power, real-time actual power is determined, and real-time shunt power is determined in combination with the initial required power and the initial actual power until the second step length is reached; the real-time shunt power is greater than or equal to the target compensation power, or until the third step length is reached. According to the method, by dynamically adjusting the position and the heating power of the water outlet control assembly, efficient cooperative work of water heating and heating functions is achieved, and the operation efficiency of equipment is improved.
Owner:ZHENGZHOU HAIER NEW ENERGY TECH CO LTD +2

Heat pump system, control method and control device thereof and storage medium

The embodiment of the invention provides a heat pump system and a control method and device thereof and a storage medium, and belongs to the technical field of air conditioners, and the heat pump system comprises a heat exchange terminal, a water storage tank, a first heat pump set, a switching device and a second heat pump set; the first heat pump set comprises a main water outlet. The switching device is connected with a main water outlet of the first heat pump set, the heat exchange terminal and the water storage tank. The control method comprises the steps that when a heating instruction and a water heating instruction are received, the first heat pump set and the second heat pump set are controlled to work, a total water outlet of the first heat pump set communicates with a water inlet of the water storage tank, and when it is detected that a heat pump machine meets the defrosting condition, the first heat pump set and the second heat pump set are controlled to work; detecting whether a priority instruction exists or not; and when the priority instruction exists and the heat pump machine meeting the defrosting condition meets the preset condition, the main water outlet of the first heat pump set is switched to be communicated with the water inlet of the heat exchange terminal, and therefore heating and water heating can be conducted at the same time, and temperature fluctuation caused by defrosting is relieved.
Owner:GUANGDONG TCL INTELLIGENT HEATING & VENTILATING EQUIP CO LTD

Energy-saving PTC (Positive Temperature Coefficient) automobile heating system

The invention discloses an energy-saving PTC (Positive Temperature Coefficient) automobile heating system which comprises a refrigerant circulation loop, a PTC-refrigerant heat exchange module and a controller, the refrigerant circulation loop comprises a compressor, a variable flow expansion valve, an external heat exchanger and an internal heat exchanger which are sequentially connected through a pipeline and form a closed loop; the PTC-refrigerant heat exchange module is connected to a high-pressure pipeline between an output port of the compressor and the outside-vehicle heat exchanger in series and comprises a sealing shell, a PTC heating body arranged in the sealing shell and a refrigerant heat exchange coil pipe arranged in the sealing shell in a penetrating mode. And an inlet and an outlet of the refrigerant heat exchange coil pipe are respectively connected with an output port of the compressor and the in-vehicle condenser. The energy consumption of the PTC heater in the water heating system during heating is greatly reduced by utilizing the original air conditioning system in the automobile, the cost is saved, and the efficiency is improved.
Owner:张建宁

A thermal management control method and a thermal management control system for a vehicle

The application provides a heat management control method and system for a vehicle, wherein the method comprises: identifying whether a battery of the vehicle has a heating demand; if the battery has the heating demand, identifying a working state of a power source of the vehicle, and judging whether the vehicle satisfies a waste heat heating condition according to the identified working state; if the waste heat heating condition is satisfied, using waste heat of the power source to heat the battery; if the waste heat heating condition is not satisfied, determining whether a starting condition of starting a heat pump system of the vehicle is satisfied according to an ambient temperature of the vehicle; if the starting condition is satisfied, starting an evaporator in the heat pump system to heat the battery; and if the starting condition is not satisfied, starting a battery loop PTC and a water heating electric heating WPTC of the vehicle to heat the battery. Through the application, the efficiency and utilization of waste heat recovery are improved, and the goal of energy saving and emission reduction is achieved.
Owner:SINO TRUK JINAN POWER CO LTD

PTC (Positive Temperature Coefficient) ceramic heating water heater unit

The utility model relates to the technical field of hot water heating equipment, in particular to a PTC ceramic heating hot water unit which comprises a unit box body, a water outlet pipeline and a water inlet pipeline, the water outlet pipeline is connected with a magnetization descaling device, the water inlet pipeline is connected with a second water suction pump, a second pipeline is arranged on one side of the second water suction pump, and a first pipeline is connected to the second pipeline. The upper end of the first pipeline is connected with the magnetization descaling device, the magnetization descaling device is arranged on the supporting plate, the first pipeline is connected with the pressure display meter, the PTC heating module is arranged on the second pipeline, the second pipeline is connected with the water storage tank, the water storage tank is arranged on the supporting frame, the other side of the water storage tank is connected with the third pipeline, and the other end of the third pipeline is connected with the first water suction pump. The water heater is long in service life, the ceramic heating body is resistant to corrosion, and the anti-scaling structure delays scale deposition.
Owner:OUBANG (SHANDONG) RENEWABLE RESOURCES CO LTD

Exhaust and decontamination device for water heating pipeline

The utility model discloses a water heating pipeline exhausting and dirt removing device which comprises an exhausting and dirt removing mechanism and a dirt remover, the top of the dirt remover is fixedly connected with a top cover, a filter screen is arranged in an inner cavity of the dirt remover, a cleaning assembly is arranged in the filter screen, a fixing assembly is arranged in the inner cavity of the dirt remover, and an exhausting assembly is arranged in the top cover. According to the device, the water inlet pipe is connected with the water inlet valve on the water heating pipeline, the water outlet pipe is connected with the water outlet valve on the water heating pipeline, the connecting pipe of the filter screen can be in contact and fit with the inner side of the water inlet pipe through the placing plate and the guide plate, and when liquid in the water heating pipeline enters the dirt separator through the water inlet pipe, the liquid is filtered through the filter screen; the filtered liquid is discharged through the water outlet pipe; the motor works, the rotating roller drives the cleaning side rod and the cleaning bottom rod to rotate, the bottom and the side wall of the filter screen can be cleaned, and the situation that dirt is attached to the filter screen, so that the permeability of the filter screen is poor, and the flow of liquid is affected is avoided.
Owner:JILIN JIGUI URBAN ARCHITECTURAL DESIGN CO LTD

Photovoltaic energy storage and heat storage air energy hot water system without external power supply

PendingCN122041356AFluid heatersMechanical apparatusOutdoor workersHeat generation
The invention discloses a photovoltaic energy storage and heat storage air energy hot water system without an external power supply, relates to the technical field of photovoltaic energy storage heat pump water heaters, and aims to charge an energy storage system when sunlight is sufficient, and directly provide electric power to operate a heat pump water heater system for heating when the energy storage system is nearly full. According to the heat pump system, through the reverse Carnot principle, heat in air is converted into a hot water tank by means of phase-change heat exchange of a refrigerating refrigerant, a full-free high-energy-efficiency hot water scheme is achieved, heating schemes such as an instant heating mode and an intelligent mode can be provided, the heat pump system adapts to various sunshine weather situations, maximum energy utilization is achieved, and the energy utilization rate is increased. And the domestic hot water requirement of outdoor operators is met.
Owner:GUANGDONG PHNIX TECH CO LTD

Electric heating film radiation heating water storage heat supply equipment

The utility model discloses electrothermal film radiation heating water storage heat supply equipment, which comprises a water storage tank, a first electrothermal film, a heat conduction part, a controller and temperature sensors, the heat conduction part is arranged at the bottom of the water storage tank, the first electrothermal film is fixedly connected with the heat conduction part, and the temperature sensors are arranged at different height positions in the water storage tank. The controller is connected with the first electric heating film and the temperature sensor, the temperature sensor collects temperature signals of different heights and transmits the temperature signals to the controller, the controller adaptively adjusts the heating power of the first electric heating film based on the temperature signals, and the water heating efficiency is improved through the heat conduction effect of the heat conduction component; the electric heating film and the heat conduction component are arranged at the bottom of the water storage tank, so that the heating area is greatly increased, the heating efficiency is improved, and the heating time is shortened.
Owner:INNER MONGOLIA HUAFAN ENERGY TECHNOLOGY CO LTD

Tea bar machine

The utility model relates to a tea bar machine which comprises a cabinet body, a cooking utensil heating device used for heating a cooking utensil, a water heating device used for heating water, a control panel and a faucet, the cabinet body is provided with a partition plate, the partition plate divides the cabinet body into an upper storage cavity and a lower storage cavity, the upper storage cavity is provided with an upper cabinet door, and the lower storage cavity is provided with a lower cabinet door. The lower storage cavity is provided with a lower cabinet door; the control panel is arranged at the top of the cabinet body and located outside the cooking utensil heating area, the cooking utensil heating device, the water heating device and the faucet are electrically connected, and the control panel controls starting and stopping of the cooking utensil heating device and the water heating device and controls rotation of the faucet. The cabinet body is divided into the upper storage cavity and the lower storage cavity, so that the internal space utilization is optimized, the integration of the water heating device and the cooking utensil heating device is also realized, tea brewing and tea set preheating or heating can be completed in one device at the same time, and the use convenience is greatly improved.
Owner:ZIBO YUEKA ELECTRIC TECH CO LTD

Burner and water heating device comprising a burner

PendingCN122305482AThermodynamicsCombustor
A burner and a water heating device including the burner are provided. The burner includes a main body extending along a reference direction and a chamber partition, the side of the main body opposite to the reference direction being open, the main body having a chamber disposed therein, the chamber partition being disposed inside the main body and dividing the chamber into multiple spaces, and multiple distribution holes being formed on the side surface of the main body.
Owner:KYUNGDONG NAVIEN CO LTD

Electric kettle (GUD-8334)

1. The name of the design product: electric kettle (GUD-8334). 2. The use of the design product: the design product is used for water heating or containing water. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.
Owner:GUANGDONG ZHUOLIN ELECTRIC CO LTD

Novel water heating device capable of outputting steam or liquid

The utility model relates to the technical field of liquid heating devices, and provides a novel water heating device capable of outputting steam or liquid, which comprises a heating assembly, a liquid conveying piece and an output end, the liquid conveying piece is abutted against a heating section of the heating assembly, a liquid inlet end and a liquid outlet end are arranged on the liquid conveying piece, and the liquid outlet end is connected with the output end; the heating section of the heating assembly heats liquid entering the liquid conveying piece, and the heated liquid is finally output to the output end along the liquid outlet end of the liquid conveying piece. The upper liquid conveying piece abuts against the heating section of the heating assembly, the liquid conveying pieces and the heating section of the heating assembly are arranged in an up-down stacked mode, and therefore multiple sets of liquid conveying pieces and the heating section of the heating assembly can be stacked, and the steam generator is suitable for outputting a large amount of steam. Steam and hot water can be output by adjusting the flow of liquid entering the liquid conveying piece, the cooking and boiling integrated function can be achieved, and the electric heating device is suitable for various products with electric heating.
Owner:ZHONGSHAN OUDI ELECTRIC APPLIANCE CO LTD

Thermodynamic water heater and the water heating process using it

Thermodynamic water heater and water heating method implementing it The invention relates to a thermodynamic water heater (1) comprising a heating device (2) and a tank (3) with a container (3') for the water to be heated / heated, the tank (3) also comprising a condenser circuit (4) supplied by the heating device (2) forming a closed loop of heat transfer fluid circulation, and with an upper inlet end (4') and a lower outlet end (4'').A water heater characterized in that said condenser circuit (4) comprises a main hot heat transfer fluid supply inlet (5) and another secondary hot heat transfer fluid supply inlet (51), said secondary supply inlet (51) corresponding to an intermediate connection point (PR) of said condenser circuit (4), located between its upper inlet end (4') and its lower outlet end (4'') and defining two portions of the condenser circuit (4) corresponding respectively to two superimposed volumetric zones (Z1 and Z2) within the internal volume of the container (3'), and in that each of the hot heat transfer fluid supply lines (6, 61) connecting the heating device (2) to the supply inlets (5, 51) comprises a control valve (7, 71). Figure to be published with the abbreviation: Fig. 1.
Owner:VIESSMANN CLIMATE SOLUTIONS SE

Special conductive PVC (polyvinyl chloride) resin and preparation method thereof

The invention discloses a special conductive PVC (polyvinyl chloride) resin and a preparation method thereof, and the method comprises the following steps: adding vinyl chloride monomer, deionized water, a composite initiator, a composite emulsifier and a PH value regulator into a polymerization kettle in a uniform dispersion manner after high-rotating-speed mechanical shearing, and heating with hot water to start polymerization reaction at the polymerization temperature of 49 + / -0.2 DEG C to obtain polyvinyl chloride latex; adding a viscosity reducer and a defoaming agent into the polymerization kettle; the obtained latex enters a discharging groove after being recycled, a conductive additive is added into the discharging groove, and the latex is evenly stirred in the discharging groove; dehydrating by a spray type drying tower, and physically crushing by a hammer type grinding machine to obtain the finished product polyvinyl chloride resin. The surface resistivity of the prepared conductive PVC special resin is below 107 ohms. Compared with the prior art, the conductive additive is added in the polymerization production process, so that the distribution of the conductive additive is more uniform, the construction of a conductive network is firmer, and the surface resistivity of the resin is easier to reduce.
Owner:TANGSHAN SANYOU CHLOR ALKALI

A control method of a gas water heating system and the gas water heating system

The present application relates to the field of residential hot water supply system, and specifically discloses a control method of a gas hot water system and the gas hot water system, which is used for controlling the gas hot water system with a memory alloy one-way valve, comprising: obtaining the current water flow of the gas hot water system; when the current water flow is greater than or equal to a water flow threshold, executing cycle heating; when the current water flow is less than the water flow threshold, executing the following steps: detecting the water flow temperature; when the water flow temperature does not reach a preset temperature threshold, continuing to execute cycle heating; when the water flow temperature reaches the preset temperature threshold, calculating the current water flow frequency, and controlling the working state of cycle heating according to the current water flow frequency. The beneficial technical effects of the present application include: by virtue of the property that the water flow temperature affects the valve opening of the memory alloy one-way valve, the main control logic for optimizing the working state of the cycle heating of the gas hot water system is controlled, the hot water in the cold water pipeline is reduced, and the energy consumption is reduced.
Owner:HANGZHOU ROBAM APPLIANCES CO LTD

Water heating stop valve

The water heating stop valve comprises a valve body, a valve rod and a valve clack, the valve rod comprises a rotating section and a sliding section, the valve body is provided with a containing cavity, the cavity wall of the containing cavity is provided with a liquid outlet channel, the valve body is provided with a liquid inlet channel, the liquid inlet channel is located below the containing cavity, the cavity bottom of the containing cavity is provided with a communicating hole, and the communicating hole communicates with the liquid inlet channel; the sliding section is embedded in the containing cavity in a sliding mode, the valve clack is connected to the lower end of the sliding section and used for sealing the communicating hole, and the rotating section is rotationally connected to the valve body and is in threaded connection with the sliding section. The rotating section is rotationally connected to the valve body, the rotating section and the valve body are kept relatively fixed in the direction of the rotating axis of the valve rod, the rotating section is in threaded connection with the sliding section, the sliding section is driven to slide, the valve clack is driven to slide, communication and closing of the communication hole are achieved, and when the stop valve is adjusted, the distance between the end, away from the sliding section, of the rotating section and the valve body is kept constant; the use requirement when the installation space of the stop valve is small is met, and the application range of the stop valve is widened.
Owner:TAIZHOU HENGXIN VALVE TECHNOLOGY CO LTD

Indirect CO2 heat pump air conditioning system

The invention relates to an indirect CO2 heat pump air conditioning system which adopts CO2 as a refrigerant, and a refrigerant loop comprises a compressor, a heat exchanger, a heat regenerator, an expansion valve, a plate heat exchanger and a gas-liquid separator which are connected through pipelines; the high-temperature cooling liquid loop comprises a heat exchanger, a first water pump and a warm air core body which are connected through pipelines. The low-temperature cooling liquid loop comprises a plate heat exchanger, a second water pump and a water-cooled evaporator which are connected through pipelines. CO2 is adopted as a refrigerant, the refrigerant does not directly enter the cabin, and heat exchange is conducted between the refrigerant and cooling liquid; and the high-temperature cooling liquid and the low-temperature cooling liquid after heat exchange with the refrigerant enter the cabin to exchange heat with cabin air, so that the functions of cabin refrigeration, heat pump heating, water heating PTC heating and defrosting and demisting are realized.
Owner:SHAANXI HEAVY DUTY AUTOMOBILE CO LTD

Fully premixed combustion low-nitrogen steam boiler

PendingCN122041114ABoiler drums/headersSteam boilersMetal fiberDiffusion flame
A fully premixed combustion low-nitrogen steam boiler relates to the technical field of steam boilers and comprises a box body and a plurality of standardized boiler modules sequentially arranged along a mounting cavity of the box body. The boiler module is composed of a boiler body, a full premixing burner, a negative pressure steam pocket and a symmetrical tubular heat exchanger. Spiral grooves are formed in the walls of the furnace body combustion cavities and communicated with the water heating cavities, so that water flow forms a thin-layer water film to strengthen heat exchange and prevent local dry burning, and the adjacent furnace body combustion cavities are communicated to realize smoke cascade transmission; hot air flow spirally circulates to prolong the heat exchange time, the full-premixing combustor is combined with the impeller to diffuse fuel gas, the metal fiber net forms low-temperature diffusion flames, and generation of nitric oxide is remarkably inhibited; the negative-pressure steam pocket accelerates evaporation in a negative-pressure environment, so that the steam production rate is increased; flue gas forms a U-shaped loop through the flow guide structure and flows through the tubular heat exchanger. The modular design supports on-demand combination and later expansion, the overall structure is high in heat efficiency, low in emission and safe and reliable in operation, and the multi-working-condition load requirement is met.
Owner:HENAN YUANDA BOILER CORP LTD

Water heating device based on multi-energy cooperation

The invention relates to the technical field of coal mine comprehensive energy supply systems, and discloses a water heating device based on multi-energy synergy, which comprises a water inlet pipe I and a water inlet pipe II, a mechanical linkage structure used for adjusting the proportion of two paths of water flow in a linkage manner is arranged between the water inlet pipe I and the water inlet pipe II, and a regulation and control mechanism is arranged in the mechanical linkage structure. The regulation and control mechanism is used for controlling the fire opening degree of the boiler burner; a water temperature signal is converted into mechanical displacement through paraffin temperature sensing, differential calculation is conducted through the X-shaped cross rod to obtain a mixing strategy, the water inlet proportion of two paths is adjusted through the hydraulic driving air bag to stabilize the water inlet temperature, and the adjusting strategy is transmitted to a boiler gas valve in advance through the linkage plate and the rigid push rod; synchronous matching of firepower and water flow states is achieved, external energy and complex electric control are not needed in the whole process, self-adaption and feed-forward type balance of energy supply and demand in a multi-energy collaborative heating system is achieved, and finally the comprehensive benefits of saving energy, stabilizing and prolonging the service life of equipment are achieved.
Owner:SHANDONG DUOLE NEW ENERGY TECH CO LTD