2998results about "Fluid heaters" patented technology

The invention provides a water working medium quasi-saturated compression high-temperature heat pump system based on an ejector, and belongs to the field of compression heat pumps. The problems that after an existing compression system flows through a throttling valve, the superheat degree of steam exhaust is large due to high-temperature lift compression, and the loss of available energy in the throttling process from condensate to a two-phase region is too large are solved. A multi-stage spraying atomization structure is adopted, a micro-nano liquid drop mist flow with the particle size controllable to be 50-200 nm and the liquid mass fraction adjustable to be 5%-10% is formed before compression, the airflow humidity regulation and control precision is remarkably improved, the quasi-saturation compression process is matched, and the thermal matching performance and the energy efficiency level of a system are effectively improved; a main flow inlet of the jet atomizer is changed into a compressor outlet from a condenser outlet, so that the response speed is increased, and meanwhile the jet atomizer is suitable for a complex variable-working-condition system; or single-stage compression is optimized into a two-stage compression form, so that higher heating temperature and more stable system operation are realized; or liquid from a lower-pressure position is injected, so that the injection capacity is improved.

A system for generating steam for industrial heat. The system may include a plurality of heat pump cycles in thermal communication with each other and in thermal communication with a steam generation cycle. The plurality of heat pump cycles may include first and second heat pump cycles. The first heat pump circulates a first a working fluid and includes a first heat exchanger. The second heat pump cycle circulates a second working fluid and includes a second heat exchanger. The first heat exchanger transfers heat from the first to the second working fluid. The second heat exchanger transfers heat to a third working fluid in the steam generation cycle.

The present application relates to a system and method for supplying cascade energy using waste heat from a power plant during production. The waste heat from the power plant during production is connected to a heat source inlet of a lithium-bromide absorption chiller and to a waste water inlet of a waste water heat exchanger, and a heat source outlet of the lithium-bromide absorption chiller is connected to the waster water inlet of the waste water heat exchanger and to a water return port of the waste heat from the power plant during production; the lithium-bromide absorption chiller is connected to a chilled water intake line, a chilled water output line, a cooled water intake line and a cooled water discharge line, the cooled water discharge line is connected to a clean water side inlet of the waste water heat exchanger, and a clean water side outlet of the waste water heat exchanger is sequentially connected to a water purification device and a hot water tank; the clean water side inlet of the waste water heat exchanger is connected to a heating water return line, and the clean water side outlet of the waste water heat exchanger is connected to a heating water supply line; and a water outlet of the waste heat from the power plant during production is further connected to a heat source inlet of a solution regenerator, and a waste water outlet of the solution regenerator is connected to the water return port of the waste heat from the power plant during production. The system of the present application has high energy utilization efficiency, thus effectively expanding the range of waste-water waste heat utilization.

The invention relates to the field of uranium concentration, and discloses an energy-saving device and method for drying a first-batch centrifugal unit. According to the device, an inlet of a centrifugal machine is connected with an outlet of an evaporator through a pipeline provided with a fourth cooling valve and an eighth cooling valve and is connected to the secondary side of a cooling plate heat exchanger and the secondary side of a heating plate heat exchanger respectively; an outlet of the centrifugal machine is connected with an inlet of the evaporator through a sixth cold valve, a first cold valve and a second water pump. An inlet of the sixth cold valve is connected with the secondary side of the heat supply plate heat exchanger through a first water pump. The primary side of the cold supply plate heat exchanger is connected with a newly-built cooling tower loop, and the primary side of the heat supply plate heat exchanger, the condenser and the newly-built cooling tower form circulation. By optimizing system connection and a heat energy circulation path, the energy utilization efficiency and the equipment utilization rate are effectively improved, and the investment and operation cost is remarkably reduced.

The utility model discloses a PTC heating device, an air supply device and air treatment equipment, and belongs to the technical field of electric appliances, in the PTC heating device, a plurality of heating units are arranged in a zigzag mode along a fold line track, so that the PTC heating device can be matched with an arc-shaped or curve-shaped air outlet duct, and the PTC heating device can be applied to the air supply device with the curve-shaped air outlet duct. Because each heating unit is arranged on one line segment of the fold line, the heating piece and the heat dissipation piece of each heating unit can roughly extend in the same direction, the curvature difference between the heating piece and the heat dissipation piece is reduced, the problem that a gap is generated between the heating piece and the heat dissipation piece is solved, the attaching degree of the heating piece and the heat dissipation piece is improved, and the service life of the heating piece and the heat dissipation piece is prolonged. The contact area of the heating piece and the heat dissipation piece is increased, and the heating uniformity is improved. Moreover, the plurality of heating units are mutually connected through the connecting assemblies, on one hand, the structural integrity of the heating device is guaranteed, and on the other hand, the overall heating uniformity of the heating device can be improved.

The invention discloses a green data center key cooling system, and relates to the technical field of data center energy saving and heat management. The system comprises a cabinet, a cold and hot channel, a refrigeration device, a waste heat recovery device and a control system. The refrigeration device comprises an indoor refrigeration unit, an outdoor heat dissipation unit and a fluorine pump energy-saving unit, and heat exchange and cooperative operation are achieved through pipelines. The cold and hot channel is provided with a guide plate and an adjustable air valve to optimize airflow distribution; the waste heat recovery device comprises a fluorine-fluorine heat exchanger, a heat pump system and a circulating medium box, and recovery and reutilization of heat energy are achieved. The control system integrates a lightweight edge AI module, constructs a multi-stage temperature sensing and load prediction mechanism, dynamically adjusts the power output of each cooling unit, and supports redundant fault-tolerant switching. The system intelligently switches the operation modes of the fluorine pump and the heat dissipation unit based on the external temperature and the thermal load prediction result, energy consumption is effectively reduced, and the energy efficiency ratio is increased.

An information processing method includes: selecting M blocks as M selected blocks from among N blocks for driving at least one of an actuator or a heater included in an apparatus, in accordance with an input operation performed by an operator; generating an application, by setting the order of the M selected blocks in accordance with an input operation performed by the operator; consulting a rule that prohibits two or more given blocks from being executed in a given order, and when information included in the application that indicates the order of the M selected blocks correlates with the given order, modifying the application by changing the order in which each of the M selected blocks is executed; and outputting the modified application.

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.

The invention relates to the technical field of heat pump drying, and discloses a frequency conversion control drying method and a frequency conversion water source high-temperature drying heat pump unit which comprises a mounting bottom plate, a compressor arranged at the upper end of the mounting bottom plate and an air inlet pipe arranged at the upper end of the compressor. The dredging unit is arranged on the air inlet pipe and comprises an expansion part and an air inlet cleaning part which are arranged in the air inlet pipe; by arranging the dredging unit, when the compressor provides high-temperature gas to dry a metal material, once a filter screen in the compressor is blocked, the cleaning air inlet component can be automatically triggered through the expansion component, so that the cleaning air inlet component cleans the blocked filter screen, and normal air inlet and air outlet of the compressor are ensured; and continuous supply of hot air is ensured, the drying efficiency of the metal materials is improved, workers do not need to clean the filter screen regularly, and the labor cost and the maintenance difficulty are effectively reduced.

The invention provides a spray type water working medium quasi-saturated compression high-temperature heat pump system, and belongs to the field of compression heat pumps. The problems that in the water vapor compression process, the exhaust degree is large, and large-amplitude temperature rise flexible heat supply is difficult to achieve are solved. The system comprises a condenser, an expansion valve, a liquid storage tank, an evaporator, a compressor, an atomization buffer tank, a gas-liquid jet atomizer and a regulating valve, the atomization mode comprises a gas-liquid ejector atomization mode, a high-pressure condensate + atomization nozzle mode or an atomization high-pressure pump + atomization nozzle mode, and is used for preparing atomized liquid drops with the particle size of 50-500 nm for quasi-saturation compression; or single-stage compression is further optimized into a two-stage compression form, so that higher heating temperature and more stable system operation are realized. The micro-nano spraying technology is utilized, the mass fraction of liquid in mixed airflow is always kept between 5% and 10%, heat conversion in the system can be achieved, and through multi-stage continuous phase change cooling, the superheat degree of compressed exhaust is effectively reduced, and compression power consumption is reduced.

A flow heater comprising a heating plate (6) comprising a metal plate (6a), a heating conductor (6b), and an insulating layer (6c) between the heating conductor (6b) and the metal plate (6a), a housing (1) in which the heating plate (6) is arranged, the housing (1) surrounding a flow channel for liquid to be heated, which leads from an inlet opening (2) of the housing (1) to an outlet opening (3) of the housing (1), a circuit board (8) with control electronics, and an electrical connector (10) via which the heating conductor (6b) of the heating plate (6) is connected to the control electronics and which has a plastic body (11; 11a, 11b) from which a conductor (12) protrudes and is embedded in the circuit board (8), characterized in that the heating plate (6) is connected between a terminal part (13) of the electrical connector (10) and a conductor (12) protruding from the plastic body. (11;11a, 11b) protruding end section (12b) of the conductor (12) is clamped, wherein the clamping element (13) is designed as a sheet metal separate from the conductor (12) and a first end section of the sheet metal of the clamping element (13) or sheets of the clamping element (13) rests against the heating plate (6) and a second end section of the sheet metal (13) or sheets of the clamping element (13) is arranged in the plastic body (11; 11a, 11b).

The utility model relates to the technical field of hot water tanks, in particular to a photovoltaic phase change heat storage water tank which comprises a shell and an inner container, the inner container is fixedly connected in the shell, a baffle is fixedly connected in the inner container, and a phase change heat storage water tank is arranged in the space, located above the baffle, in the inner container. An electric heating water tank is arranged in the space, located below the baffle, in the inner container, the phase change water storage tank is filled with phase change heat storage balls, the upper end of the shell is fixedly connected with a ball discharging pipe opening used for adding the phase change heat storage balls into the inner container, two sets of electric appliance openings are formed in the side face of the shell, and a variable-frequency direct-current photovoltaic heating pipe and an alternating-current heating pipe are fixedly connected into the two sets of electric appliance openings respectively; direct current generated by the photovoltaic assembly directly drives the variable-frequency direct-current photovoltaic heating pipe to heat water in the electric heating water tank, the phase-change heat storage ball stores energy, heat energy is released when the temperature of hot water is insufficient, water in the inner container is heated, and the solar water heater can be stably used under various weather conditions and is good in heat energy storage effect.

The utility model relates to the technical field of boiler flue gas treatment, and discloses a boiler flue gas waste heat recovery device which comprises a bottom plate, a boiler body and a waste heat recovery mechanism, and the waste heat recovery mechanism comprises a heat collection box fixedly connected to the outer portion of a smoke outlet in the tail of the boiler body. According to the boiler flue gas waste heat recovery device, the multiple parallel metal fins are ingeniously installed at the tail smoke outlet of the boiler body, an efficient heat collecting face is formed, then the outer surface of the front half part of the spiral heat exchange pipe is fixedly connected to the inner walls of the metal fins, and therefore the heat collecting face is formed. The metal fins play a crucial role in the device, the capture efficiency of heat in flue gas is remarkably improved by increasing the contact surface area of the flue gas and metal, the main function of the spiral heat exchange pipe is to efficiently transfer the captured heat to flowing fluid, and the heat exchange efficiency is improved. The design optimizes the heat exchange performance of the whole device.

The invention relates to a heat pump device that makes it possible to utilize waste heat from technical processes or from the environment to simultaneously generate useful steam (12) and useful heat. The heat pump device comprises a heat pump module (1), a low-pressure steam generator (2) for generating low-pressure steam (11), a steam jet compressor (3) for generating useful steam (12) from high-pressure steam (10) and the low-pressure steam (11), and a first heat exchanger (4) for providing the useful heat. The heat pump device is suitable for applications where there is a simultaneous demand for both steam and heat.

The utility model discloses a flue structure of a gas water heater, which relates to the field of flue structures and comprises a straight pipeline, a check valve is mounted at the end of the straight pipeline, a push rod is slidably mounted at one end, close to the check valve, of the inner wall of the straight pipeline, and two ends of the push rod directly face two valve plates of the check valve respectively. According to the flue structure of the gas water heater, the straight pipeline is provided with the push rod and the push assembly, and when a valve plate of a check valve cannot be normally opened due to adhesion when the gas water heater is not used for a long time, the push assembly can be operated to drive the push rod to push the valve plate of the check valve under the condition that the straight pipeline and the check valve are not disassembled, so that the valve plate of the check valve can be normally opened; compared with a traditional method, the smoke exhaust device has the advantages that operation is more convenient, and the problem of adhesion of the valve plate is better solved.

The invention relates to the technical field of environment-friendly roads and bridges, and discloses an intelligent road and bridge energy-saving environment-friendly structure and system.The intelligent road and bridge energy-saving environment-friendly structure comprises a road and bridge body, a permeation cooling mechanism is arranged on the lower surface of the road and bridge body, and the permeation cooling mechanism comprises a bridge tower, a reservoir, an annular water tank, a second electric heating strip, an electromagnetic valve, a first argil pipe and a second argil pipe; the back face of the bridge tower and the front face of the road and bridge body are fixedly installed. According to the intelligent road and bridge energy-saving and environment-friendly structure and system, through the use of a second pump body, a water conveying pipe and an annular water tank, rainwater collected in a reservoir can enter the annular water tank for additional operation and use, and through the use of a second electric heating strip, the problem of how to enable the rainwater to enter the annular water tank in extremely high-temperature weather is solved. According to the road bridge, the collected rainwater is used for cooling the road bridge body, the effect of avoiding the influence of high temperature on the road bridge body can be achieved, and the effect that an automobile is safer during driving in extremely high temperature weather can be achieved.

The utility model relates to a water heater, which comprises a water tank, a water heater, a water inlet pipe, a water outlet pipe, a water inlet pipe and a water outlet pipe, and is characterized in that the water tank comprises a tank shell and an inner container; the electronic anode is arranged in the inner container; a battery cavity is formed in the protective shell, and the battery cavity is configured to be used for installing a storage battery used for supplying power to the electronic anode; wherein the box shell is provided with a mounting part, and the protective shell is detachably arranged on the mounting part. The storage battery in the water heater is convenient to replace, so that the maintenance operation convenience is improved.

A flow heater has a heating plate that has a metal plate, a heating conductor track, and an insulating layer between the heating conductor track and the metal plate. The heating plate is arranged in a housing and the housing encloses a flow channel for fluid to be heated, which leads from an inlet port of the housing to an outlet port of the housing. A circuit board with control electronics is provided. An electrical connector connects the heating conductor track of the heating plate electrically to the control electronics, and the electrical connector has a plastic body from which a conductor projects and extends into a hole of the circuit board. The heating plate is clamped between a clamping part of the electrical connector and an end section of the conductor projecting from the plastic body. A heating plate for such a flow heater is also described.

The invention belongs to the technical field of intelligent household appliances, and particularly relates to a control method and device of a heat pump water heater, a medium and a program product. In the shutdown state of the heat pump water heater, the environment temperature and the water temperature of the heat pump water heater are detected, and when the water temperature is smaller than or equal to a water temperature threshold value in a heat pump starting condition, the heat pump is started; the method comprises the following steps: under the condition that the heat pump is started and the environment temperature is greater than or equal to the lowest environment temperature threshold value in the heat pump starting conditions, judging whether environment temperature detection abnormity exists in a first duration before the current moment or not, under the condition that the environment temperature detection abnormity exists, controlling a fan of the heat pump water heater to start, and after the fan runs for a second duration, controlling the fan of the heat pump water heater to start; the environment temperature and the water temperature are detected again, and if the environment temperature and the water temperature meet the heat pump starting condition, a compressor of the heat pump water heater is started; by means of the method, the accuracy of environment temperature detection is improved, misjudgment and wrong starting of the compressor caused by the fact that the sensor is interfered by internal high temperature are avoided, and therefore the reliability of control over the heat pump water heater is enhanced.

A distribution device is provided. The distribution device includes a cabinet including a front cabinet, a front cover attached to a rear surface of the front cabinet, a controller detachably mounted on the front cover, the controller having a front surface thereof exposed on a front side of the front cabinet and used as a remote control when separated from the front cabinet, a separation preventing bracket assembled to the rear surface of the front cabinet and configured to prevent the front cover from being separated, and a rear cover assembled to an edge on one side of the front cover and then rotated to be assembled to an edge on another side of the front cover, and configured to cover a rear surface of the controller.

The present application relates to a kind of photovoltaic direct-drive air source injection-compression combined cycle heat pump cogeneration system, the system includes refrigerant system, hot water system, power generation / power supply system, by compressor, check valve, hot water heat exchanger, two-phase ejector, gas-liquid separator, electronic expansion valve, intermediate cooler, finned heat exchanger, water pump, photovoltaic array, direct-current converter, AC / DC inverter is formed, system can realize cogeneration.The present application introduces injection refrigeration technology into air source heat pump technology, to reduce the throttling loss and overheating loss of traditional vapor compression cycle process, improve system performance;While using the method of low injection rate to supercool finned heat exchanger inlet refrigerant, the uniformity of finned heat exchanger refrigerant distribution is guaranteed, and its heat exchange efficiency is improved.The present application makes full use of renewable energy solar energy and air energy, realizes electric energy self-production, energy saving, efficient, green, low carbon.

The invention discloses a divided water tank device for an internal heat exchanger of a split type solar water heater. Butt welding is carried out by utilizing an end enclosure of a stainless steel confined water bank inner bag; the end enclosure is used as the heat exchanger to play the role of a water tank partition board; the water tank is divided into independent divided cavities; the heat exchanger is sealed with the inner bag of the water tank; the adjacent cavity bodies communicate with each other via draught tubes; the medium circulation and the medium supplement, namely unconfined running of the heat exchanging part, are carried out safely and reliably via an upper circulating pipe and a heat collecting part; and the device can fully improve heat energy transformation and reduce heat loss.

The invention relates to the technical field of waste water heat recovery. The invention discloses a waste water heat recycling device, method and system for a public kitchen dish washing machine. Comprising a data collection module used for reading, collecting and storing related data of waste water waste heat recovery of a public kitchen dish-washing machine and operation of a water heating system; the control module is used for controlling the water tank to supplement water and controlling the indirect sewage source heat pump unit to start and stop; and the waste heat recycling and water heating module is used for recycling waste heat and storing and preparing hot water. Heat of waste water discharged from the dish-washing machine to the oil separation tank is extracted through heat exchange, tap water is heated through the indirect sewage source heat pump unit and supplied to the dish-washing machine, and electric energy consumed by heating the tap water when the dish-washing machine works is reduced. Through the combination of the data collection module and the control module, the system can recycle heat in wastewater in the oil separation tank as much as possible on the premise of ensuring that the water temperature in the oil separation tank is not too low and ensuring the drainage safety.

A system includes an air conditioning system including a first unit and a second unit coupled to the first unit by a fluid path; an energy storage device connected to at least one of the first unit and the second unit, the energy storage device configured to store electrical energy; and a thermal storage device connected to one of the first unit and the second unit, the thermal storage device configured to store thermal energy.

The utility model discloses an outdoor water heater with a quick release suspension structure, which comprises a water heater body and a suspension part mounted on the water heater body, the suspension part comprises a first handle and a second handle which are separated from the middle, and the relative near ends of the first handle and the second handle are connected through the quick release structure. The opposite far ends of the first handle and / or the second handle are hinged to the water heater body through hinge pieces. The water heater has the advantages that the first handle and the second handle which can be freely separated and fixed are arranged on the water heater body, when the water heater is used, the first handle and the second handle are quickly separated through the quick release structure, then one handle is selected to rotate along the axis of the hinge piece, the bifurcation distance between the two handles is enlarged, and the water heater is convenient to use. And finally, the first lifting handle and the second lifting handle are locked again through the quick release structure, and the water heater does not have the risk of toppling over.

The utility model aims to provide a pet water dispenser which mainly comprises a water storage device, a heating device for heating water stored in the water storage device, a cooling device arranged above the water storage device, a water drinking tray arranged below the cooling device and the like. Wherein the stored water is heated by the heating device to form water vapor, and when the water vapor flows upwards through the cooling device, the water vapor is cooled to form condensed water, and then the condensed water falls back into the drinking water tray. Compared with the prior art, the pet water dispenser provided by the utility model has the advantage that the safety index of drinking water is improved.

The invention discloses a fire grate, a burner and a gas water heater. The fire grate is provided with an injection opening, a plurality of main fire holes and a plurality of auxiliary fire holes, an air supply channel and a combustion channel are further arranged in the fire grate, and the main fire holes are distributed in the upper surface of the fire grate in the length direction of the fire grate. The multiple auxiliary fire holes are distributed in the two side walls of the fire grate in the length direction of the fire grate, the main fire holes and the auxiliary fire holes are communicated with the combustion channel, the injection opening is communicated with the air supply channel, the air supply channel is communicated with the combustion channel, flame stabilizing shells are arranged on the two side walls of the fire grate respectively, and the flame stabilizing shells are communicated with the main fire holes. A flame stabilizing runner is formed between the flame stabilizing shell and the fire grate, and the flame stabilizing shell covers the outer side of the auxiliary fire hole; a positioning protrusion is arranged on the inner surface of the flame stabilizing shell and abuts against the side wall of the fire grate. The combustion sufficiency and stability of the combustor are improved.

A water heater drain valve assembly with T-flow adjustability. The water heater drain valve assembly includes a first valve at the tee in the valve body. The first valve is a 3-way ball valve. A second valve is located on the branch outlet of the valve body. One fitting end of the heater drain valve is longer in comparison to the other end and the drain port. This longer fitting end permits the water heater drain valve assembly to be directly coupled to a water heater.

The invention relates to the technical field of energy conversion, and discloses a cascade energy utilization system, a scheduling control method and device, equipment and a medium. The system comprises a photovoltaic power generation module, an electric heater, a hot molten salt tank, a cold molten salt tank, a steam generator, a primary heat exchanger, a secondary heat exchanger, a first water source heat pump unit, a second water source heat pump unit, a plurality of valves and a control module, wherein the valves comprise a first valve, a second valve, a third valve, a fourth valve, a fifth valve, a sixth valve and a seventh valve. The system provided by the invention aims at an energy system of a sewage treatment plant, high photovoltaic abandoned light, low efficiency of heat pumps, waste heat waste and island operation pain points, depends on photovoltaic energy, fused salt heat storage, a two-stage heat exchanger, double heat pumps and a dynamic control framework, stores photovoltaic energy by utilizing a fused salt heat storage system, preheats sewage through the two-stage heat exchanger, improves COP of the heat pumps, and reduces the energy consumption of the heat pumps. Waste heat is fully utilized, and dependence on a power grid is reduced.

The invention discloses a fire grate, a burner and a gas water heater. An injection opening and a plurality of main fire holes are formed in the fire grate, an air supply channel and a combustion channel are further formed in the fire grate, the main fire holes are communicated with the combustion channel, the injection opening is communicated with the air supply channel, and the injection opening is communicated with the main fire holes through the air supply channel and the combustion channel in sequence. The two ends of the fire row are each provided with a combustion protruding part, the combustion protruding parts extend towards the outer side of the fire row in the air outlet direction of the main fire holes, and combustion holes are formed in the combustion protruding parts. The multiple main fire holes are located between the combustion protruding parts at the two ends of the fire row. The purpose of improving the use safety and reliability of the combustor is achieved, and the use safety and reliability of the combustor are improved.