31results about How to "Realize heating" patented technology

The utility model discloses a heating system utilizing compressed air energy storage compression thermal coupling ground source heat pump, which belongs to the technical field of compressed air energy storage, and comprises a compressed air energy storage system and a ground source heat pump system, the water side of the steam-water cooler in each compressed air energy storage compression unit is connected with the cooling tower through a cooling water circulation pipeline, and the ground source heat pump system is connected with the cooling water circulation pipeline. According to the compressed air energy storage system, compression heat in the compressed air energy storage process can be stored in the soil in the non-heating season through comprehensive utilization of equipment such as the ground heat exchanger and the ground source heat pump unit arranged in the compressed air energy storage system and pipelines, the cross-seasonal heat storage mode is adopted, the ground source heat pump system is combined, and the energy storage efficiency is improved. The utilization efficiency of waste heat and the energy efficiency of the whole compressed air energy storage system are improved while heating is achieved.

The invention relates to the technical field of carbon capture after combustion, and discloses a carbon dioxide capture system and method based on calcium circulation and calcium-based chemical looping combustion. CaS, CaO and CaSO4 in the calcination reactor enter a carbon capture reactor, the fuel reacts with CaSO4 to generate CO2 and CaS, and CO2 in the flue gas reacts with CaO to generate CaCO3; caS and CaCO3 in the carbon capture reactor and a solid material flow which carries heat and contains CaSO4 and CaO in the air reactor respectively enter a calcination reactor, and CaCO3 is decomposed into CO2 and CaO under the action of the heat carried by the solid material flow; caS, CaSO4 and CaO in the calcination reactor are divided into two streams and enter the carbon capture reactor and the air reactor respectively, CaS and air react in the air reactor to generate CaSO4, and heat is released. According to the system, doping and dilution of CO2 product gas are avoided, and high-grade electric energy is saved.

The invention discloses an air conditioner air outlet partition flow guide control system in the field of smart home, which comprises an air conditioner indoor unit, the bottom of the air outlet end of the air conditioner indoor unit separately communicates with a plurality of independent air outlets and corresponding temperature adjusting cavities, and the inner side wall of each air outlet is rotatably connected with a plurality of up-down swing plates and left-right swing plates. An image sensor, a pickup microphone and a control unit are integrated in the air conditioner indoor unit, the motor, the temperature sensor and the air speed sensor are all connected with the control unit, and the control unit is used for automatically adjusting the air supply temperature and the air speed of an air outlet close to a user according to identity information, position information, environment preference and the like of the user. The swinging angles of the up-down swinging plate and the left-right swinging plate are controlled. The intelligent air conditioner is scientific and reasonable, the multiple air outlets, the temperature adjusting cavity, the image sensor, the pickup microphone and the control unit are integrated, identification and tracking of identity information, user positions and environment preferences are achieved, and accurate regulation and control of air supply parameters are conducted.

The invention discloses a heating device based on the secondary circuit heating form of a nuclear power plant and a control method thereof, and relates to the field of secondary circuit heating of a nuclear power plant; the heating device based on the secondary circuit heating form of a nuclear power plant comprises: the heat drain outlets of the multi-stage high-pressure feedwater heater in the steam turbine extraction heating device are respectively connected to the hot side medium inlet of the multi-stage heat exchanger in a one-to-one correspondence, the hot side medium outlets of the multi-stage heat exchanger are all connected to the drain inlet of the low-pressure feedwater heater in the steam turbine extraction heating device, and the cold side medium inlet and the cold side medium outlet of the multi-stage heat exchanger are all connected in series to the heating pipe network. The invention can realize heating without changing the secondary circuit main pipeline, reducing the cost of modifying the secondary circuit pipeline and the impact on the working medium in the main steam pipeline.

The utility model discloses a double-water-tank type heating system for plateau cold regions, which comprises an air energy heat pump, the bottom of a heat storage and heat preservation water tank is hermetically and fixedly connected with a heater after sequentially passing through a heat storage tank water return electromagnetic valve and a heating circulating pump, and the heater is hermetically and fixedly connected with the heat storage and heat preservation water tank through a water return pipe. The circulating heat preservation water tank is communicated with the heat storage heat preservation water tank in a sealed mode through a circulating tank water supply electromagnetic valve, the circulating heat preservation water tank is communicated with a circulating tank water return electromagnetic valve in a sealed mode, and the circulating tank water return electromagnetic valve is connected between the heat storage tank water return electromagnetic valve and the heating circulating pump. The air energy heat pump communicates with the circulating heat preservation water tank through the heating circulating pump. A large amount of heat can be generated through combination of the air energy heat pump and the circulating heat preservation water tank, and then a large amount of heat can be stored through combination of the air energy heat pump and the heat storage heat preservation water tank, so that heat supply is achieved in the daytime, it can be guaranteed that heat supply is conducted at night, and farmers and herdsmen cannot be frozen at night.

The invention relates to an organic heat carrier furnace, which adopts fuel oil preheating, micro heat-conducting oil furnace waste heat recovery and absorption refrigerator cooling technologies, is beneficial to sufficient combustion of fuel oil of the organic heat carrier furnace and efficient recovery of flue gas waste heat, effectively avoids low-temperature corrosion of flue gas, realizes combined cooling and heating, and is flexible and convenient to operate and adjust. The novel combined cycle operation system of the organic heat carrier furnace is formed, the problem that waste heat of the organic heat carrier furnace is difficult to recycle is solved, and the combined cycle operation system has good economic and social significance in implementation and popularization.

The utility model belongs to the field of energy-saving, constant-temperature and environment-friendly hog houses, and particularly relates to an energy-saving, constant-temperature and environment-friendly hog house which comprises a hog house body, a fence is arranged in an inner cavity of the hog house body, a hog house ceiling is arranged at the top of the hog house body, and ventilation windows are arranged on the front side and the rear side of the hog house ceiling. Heating assemblies are arranged on the front side and the rear side of the hog house body, and each heating assembly comprises a positioning frame; by arranging the heating assembly, heating of the pig house body can be achieved under the action of the heating assembly, meanwhile, by arranging the electromagnetic valve, air in the heating pipeline can flow back into the industrial hot-air blower, automation of low-temperature starting and high-temperature stopping is achieved, fuel can be saved, the temperature in the pig house body can be guaranteed, and the environment is protected. Therefore, cost reduction and efficiency improvement are achieved, and the problems that an existing heating mode is relatively high in cost, waste gas is prone to being generated, and the incidence rate of pigs is increased are solved.

The invention discloses an ultrahigh-pressure plasma heater for distributed heat supply, and relates to the technical field of heat supply equipment.The ultrahigh-pressure plasma heater comprises an equipment bottom plate, an equipment shell is installed at the upper end of the equipment bottom plate, a Tesla coil is installed at the upper end of the equipment bottom plate in the equipment shell, and a heat conduction pipe is installed above the Tesla coil; a filter pipe is installed at one end of the air feeder through a pipeline, a filter assembly is installed in the filter pipe, a second connecting pipe is installed at the other end of the heat conduction pipe, and a temperature control box is installed at one end of the second connecting pipe and located outside the equipment shell. By utilizing the characteristics of the Tesla coil, low-voltage direct current is increased to a high-voltage and high-frequency state, lightning discharge is simulated, so that plasmas are generated, the plasmas can generate violent high temperature in the high-voltage and high-temperature releasing state, the high temperature heats the heat conduction pipe and heats the air to increase the temperature, and clean energy heat supply is achieved.

The invention discloses a wind energy heating unit control method and system utilizing waste heat of circulating water of a thermal power plant. A control method for a wind energy heating unit utilizing waste heat of circulating water of a thermal power plant is characterized in that a fan is used for driving a heat pump to heat the temperature of hot water on a user side after a circulating water system of the thermal power plant enters a heat exchanger, and the hot water is used by a heat user. The flow of cooling water entering the evaporator is adjusted, and it is guaranteed that the flow meets the heating capacity requirement of the air heating unit; heat storage or heat release of a heat storage tank is controlled, specifically, heat storage or heat release is adjusted according to the return water temperature of a heat user on the basis of heat balance within a short time, and the change of the return water temperature of the heat user is stabilized; and controlling the output of the wind-heat unit, wherein the wind-heat unit adjusts the output of the wind-heat unit according to the return water temperature of the heat user on the basis of heat balance within a long time. The system can replace or reduce steam extraction of a thermal power generating unit, meanwhile, wind energy is used for heat supply, and clean energy heat supply is achieved.

The invention provides an integrated heat management module and a vehicle. The heat management module comprises a mounting assembly and a heat management module, the mounting assembly is provided with a mounting cavity, and a connecting structure used for being connected with a vehicle frame is arranged on the first side of the mounting assembly; the radiator is arranged in the mounting cavity and is close to the second side of the mounting assembly, and the second side is opposite to the first side; the oil-gas pump all-in-one machine is arranged in the mounting cavity, and an oil change port of the oil-gas pump all-in-one machine is arranged close to the top of the mounting assembly; the high-voltage distribution box is arranged in the mounting cavity, and a maintenance port of the high-voltage distribution box is close to the bottom of the mounting assembly; the all-in-one controller is arranged in the mounting cavity, and a maintenance port of the all-in-one controller is arranged close to the top of the mounting assembly; the battery controller is arranged in the installation cavity and located between the high-voltage distribution box and the all-in-one controller. According to the integrated heat management module in the scheme, the technical problem that in the prior art, all modules needing heat management are low in integration degree is solved.

The utility model relates to a new trend function equipment technical field discloses a double system new trend function equipment, including main part box, the middle part fixedly connected with the heat exchange pipe of main part box inner wall, the lower end fixedly connected with the surface cooler of main part box inner wall near the middle part, the front end fixedly connected with the new trend executor of main part box outer wall upper part, the new trend executor output fixedly connected with drive gear shaft, the rear end of drive gear shaft penetrates main part box to the inside of main part box and is fixedly connected with drive gear, the upper part of main part box inner wall rotates and is connected with indoor return air blade all in a circle. In the utility model, the up and down distribution design of heat exchange pipe and surface cooler in main part box makes gas heating component and water component form double heat source cooperation work mode, can be through heat exchange pipe high -efficient heating when gas is sufficient, switches to surface cooler and utilizes cold and hot water heat exchange when gas is insufficient.

The present invention relates to the field of geothermal energy utilization, in particular to a dry heat type single pump geothermal system. It includes an underground heat exchange system, and a ground heat exchange system connected and matched with the underground heat exchange system. The underground heat exchange system includes a water supply well device and a water supply well device. The underground ends of the water supply well device and the water supply well device both extend into the underground dry hot rock layer that has been treated by fracturing. The water supply well device is used to inject water into the underground dry hot rock layer that has been treated by fracturing. The water supply well device is used to lift and transport the hot water that has undergone heat exchange to the ground for use. The underground dry hot rock layer that has been treated by fracturing is used to receive and store water from the water supply well device and realize heat exchange. There is no need to consider the geographical location limitation like a hydrothermal geothermal system. The geothermal system is not limited by the geographical location, and there is no need to consider the restriction condition of whether there is natural hot water underground when selecting the site for the system. It has strong versatility.

The invention discloses a device for efficiently converting renewable deep space energy into cooling, heating and power supply, comprising a solar energy conversion device, a radiation cooling device, a rotating bracket, an inclination adjustment component and a supporting base; the solar energy conversion device and the radiation cooling device are connected to the rotating bracket in a mutually perpendicular manner, the rotating bracket is connected to the inclination adjustment component, and the inclination adjustment component is connected to the supporting base; the inclination adjustment component is used to adjust the inclination angle between the rotating bracket and the ground plane, and the rotating bracket is used to drive the solar energy conversion device and the radiation cooling device to rotate, so that the sun-facing surface of the solar energy conversion device is always perpendicular to the sun's irradiation light, and the reflective surface of the radiation cooling device is always parallel to the sun's irradiation light. The invention can realize the high-efficiency conversion and simultaneous superposition utilization of two deep space energies, solar energy and radiation energy, in the same area, greatly improving the energy utilization rate and energy density per unit area, and saving a large amount of land resources and space.

The invention relates to the technical field of seed air-drying, in particular to a hot air box and a seed air-drying system.The hot air box comprises a drying box, a first hot air opening communicated with the interior of the drying box and a sensor arranged in the drying box, and the sensor is used for measuring the temperature and humidity of all parts; and the filter screen is arranged in the drying box. The seed drying device has the beneficial effects that through cooperation of the temperature and humidity sensors and the microprocessor, the seed drying degree can be accurately judged, when the multiple sensors in the same box body reach the threshold value at the same time, the corresponding electric control valves are automatically closed, excessive drying or insufficient drying of seeds is avoided, and the drying yield of the seeds is effectively guaranteed.

The invention belongs to the technical field of energy recovery, and discloses a compressed air energy storage heat recovery system and method.The compressed air energy storage heat recovery system comprises a heat storage tank, an expansion assembly, a first heat supply valve, a second heat supply valve, a heat exchange assembly, a heat release mechanism and a heat storage mechanism; the heat exchange assembly is connected to the other ends of the first heat supply valve and the second heat supply valve, the input end of the heat release assembly is connected to the hot side of the heat storage tank, the output end of the heat release assembly is connected to one end of the heat release valve, the other end of the heat release valve is connected to the cold side of the heat storage tank, and the input end of the heat storage assembly is connected to one end of the heat storage valve. The output end of the heat storage assembly is connected to the hot side of the heat storage tank, the other end of the heat storage valve is connected to the cold side of the heat storage tank, energy storage and heat supply of the compressed air energy storage heat recovery system are achieved, the comprehensive utilization rate of energy and the heat storage efficiency are improved, and the feasibility of thermocline heat storage of the heat storage tank is enhanced. It is guaranteed that only cold water exists in the heat storage tank before next energy charging and discharging circulation.

The invention discloses a thermochemical honeycomb energy storage material and a preparation method and application thereof, and belongs to the technical field of medium and low temperature thermochemical energy storage. The thermochemical honeycomb energy storage material is formed by dipping a honeycomb zeolite block in a salt solution; the preparation method comprises the following steps: mixing zeolite powder and an adhesive according to a certain proportion, demolding by molds with different honeycomb structures to form honeycomb zeolite blocks, drying the formed honeycomb zeolite, immersing the honeycomb zeolite into salt solutions with different types and proportions, dipping for 24 hours, and drying at a high temperature of 200 DEG C to form the novel composite honeycomb energy storage material. The thermochemical honeycomb energy storage material is filled into a reactor to assemble a thermochemical cascade reaction device, and different honeycomb energy storage materials are filled into the reactor, so that energy storage and energy release processes of air and the energy storage material can be realized. The thermochemical cascade reaction device can be applied to a solar thermochemical clean heating system. The thermochemical honeycomb energy storage material provided by the invention has the advantages of high energy storage density and negligible heat loss.

The application provides a hybrid vehicle waste heat recovery and cooling composite thermal management system and method, which comprises two modes, a waste heat recovery and utilization mode and a cooling mode; the waste heat recovery and utilization mode comprises three heating working conditions: a cab alone heating working condition, a battery alone heating working condition and a cab and battery heating working condition; the cooling mode comprises five cooling working conditions: an engine alone cooling, a motor alone cooling, a motor and battery alone cooling, an engine and motor cooling and a whole system cooling; and the application further comprises a waste heat recovery mode and a motor cooling working condition. In a severe cold environment, the application utilizes engine waste heat recovery to realize cab heating and battery heating; in a cooling environment, the application has engine, motor and battery cooling functions, and realizes comprehensive heating and cooling thermal management.

The application provides a vehicle-mounted air conditioner temperature control system and a vehicle. The vehicle-mounted air conditioner temperature control system comprises a vehicle-mounted air conditioner system, wherein the vehicle-mounted air conditioner system comprises an air outlet pipeline; and a gravity heat pipe assembly, wherein one end of the gravity heat pipe assembly is arranged in the air outlet pipeline, and the other end of the gravity heat pipe assembly is arranged on a vehicle-mounted controller for an entertainment host; and wherein when the vehicle-mounted air conditioner system is working, the gas generated by the vehicle-mounted air conditioner system exchanges heat with the gravity heat pipe assembly at the air outlet pipeline. The vehicle-mounted air conditioner temperature control system adopts gravity capillary action for passive heat dissipation, and the heat in the vehicle-mounted controller for the entertainment host is exchanged by the gravity heat pipe assembly, so that the heat is transferred to the heat dissipation part in the air conditioner channel, and the cold air in the air conditioner channel carries away the heat of the heat dissipation part, thereby achieving heat dissipation of the controller.

The invention discloses an energy supply system based on a PVT heat pump, and relates to the field of new energy. According to the system, a photovoltaic photo-thermal assembly is connected with an air-cooled heat exchanger and a compressor; one end of the air-cooled heat exchanger is connected with the first three-way valve The first three-way valve is connected with the first expansion valve and the second three-way valve; the first expansion valve is connected with the third three-way valve; the third three-way valve is connected with the fourth three-way valve and the second three-way The fourth three-way valve is connected with the heat storage pipeline and the cold storage pipeline. The heat storage pipeline and the cold storage pipeline are connected with the reversing valve through a seventh three-way valve; the second three-way valve is connected with the second expansion valve; the second expansion valve is connected with the heat storage water tank; the heat storage water tank is connected with an eighth three-way valve; the eighth three-way valve is respectively connected with the compressor and the reversing valve; the compressor is connected with the reversing valve; the reversing valve is connected with the other end of the air-cooled heat exchanger. According to the invention, power supply, cold supply, heat supply, hot water supply and triple storage of power storage, heat storage and cold storage can be realized.

Sewage waste heat recovery and reuse system in cold areas. This product is composed of a wastewater waste heat recovery subsystem, which includes a heat pump unit, the heat pump unit is connected to the sewage waste heat exchanger in the box body of the sewage tank through a pipeline, the sewage waste heat exchanger is connected to the heat pump unit through a pipeline, the pipeline is filled with a refrigerant, the box body in the sewage tank is connected to the sewage pump through a pipeline, the sewage pump discharges the sewage, the bathtub drain pipe is connected to the hair collector, the hair collector is connected to the sewage inlet pipe through a pipeline, and the sewage inlet pipe is connected to the sewage distribution pipe in the box body of the sewage tank. The present invention is used for a sewage waste heat recovery and reuse composite system.

The utility model discloses an electric heating plate device which comprises a heating layer and an electric heating plate shell used for protecting the heating layer, the heating layer comprises an aluminum foil bag and a metal heating wire, the metal heating wire is arranged in the aluminum foil bag in a winding and extending mode, a cable is led out of the end portion of the metal heating wire, and the electric heating plate shell comprises a lying plate, a heat preservation layer plate and a face cover plate. The lying plate, the heat preservation layer plate, the heating layer and the surface cover plate are sequentially arranged in the height direction, the heating layer is located above the heat preservation layer plate, the heat preservation layer plate and the heating layer are embedded in the inner side of the lying plate and are covered with the surface cover plate, a wire outlet boss is arranged in the middle of one side of the surface cover plate, and a wire outlet via hole for a cable to penetrate through is formed in the wire outlet boss. According to the electric heating plate device, the aluminum foil bag and the metal heating wire are installed on the heat preservation layer plate and the surface cover plate to supply heat.

This utility model discloses a continuous compressed air supply system, belonging to the field of air supply equipment. The continuous compressed air supply system includes an air storage tank and a dryer, which is fixedly connected to the air storage tank via a pipeline. A distribution pipe is fixedly connected to the side of the dryer away from the air storage tank, and an air supply pipe is fixedly connected to the distribution pipe. A tee pipe is fixedly connected to the air storage tank, and two connecting pipes are fixedly connected to the end of the tee pipe away from the air storage tank. This utility model, by using two air compressors, can continue to supply air to the air storage tank even if one air compressor fails, thereby avoiding the impact of air supply interruption on production efficiency. Furthermore, by utilizing a heat exchange tank, the high-temperature gas produced by the air compressor can be fully utilized, avoiding resource waste.

The utility model belongs to the technical field of regional heat supply, and particularly relates to a regional heat supply operation system which comprises a control unit and a heat supply and exchange unit, the control unit is in electric signal connection with a data acquisition unit and an execution unit, the data acquisition unit is used for acquiring real-time data of heat supply operation, and the execution unit can control heat supply and exchange of the heat supply and exchange unit. According to the regional heat supply operation system, the heat recovery heat exchanger and the hot water boiler are arranged, heat supply of different heat sources is achieved, the situation that heat supply is affected when a certain heat source breaks down is avoided, industrial waste heat can be used for heating and heat supply at the same time, and meanwhile the hot water boiler can be combined for heating and heat supply; the energy utilization rate is improved, and energy is saved.

The utility model discloses a speed control heating instrument which comprises an infusion pump and a second drip chamber, a pump inlet of the infusion pump is provided with a liquid inlet pipe used for being connected to an infusion container, the bottom of the second drip chamber is connected with a patient end pipeline, and a heating module is connected between the top of the second drip chamber and a pump outlet of the infusion pump. When the infusion device is used, the infusion container is connected to the liquid inlet pipe, the infusion pump and the heating module are started, and infusion and heating of liquid to be infused can be achieved; by setting the rotating speed of the infusion pump, accurate control over the infusion speed can be achieved, medical staff can know the infusion speed clearly at a glance, the use requirement is met, and use is convenient; in addition, the second drip chamber is arranged on the downstream of the heating module, bubbles generated in the liquid passing through the heating module can be separated out at the second drip chamber, and the bubbles are prevented from being input into the human body.

The utility model relates to a vehicle heat management system and a vehicle. The vehicle heat management system comprises a water storage tank, a first heat source, a second heat source and a first reversing valve. The water storage tank is selectively communicated with the first heat source and / or the second heat source through a first reversing valve, the first heat source is selectively communicated with a first branch or a second branch, and the second heat source is selectively communicated with the second branch or a third branch. And the first branch and the third branch are selectively communicated with the first reversing valve. According to the technical scheme, the vehicle heat management system can meet the heat dissipation requirements of the vehicle under different working conditions.

The utility model relates to the field of energy storage, concretely relates to a kind of energy storage equipment, comprising: semiconductor refrigerator, heat transfer assembly, energy storage piece;The semiconductor refrigerator has refrigeration surface and heating surface, the heat transfer assembly is connected with the refrigeration surface of the semiconductor refrigerator and / or the heating surface of the semiconductor, and the heat transfer assembly is used to conduct the cold quantity and / or heat generated by the semiconductor refrigerator to the energy storage piece, to make the phase-change energy storage piece store cold or heat.By heat transfer assembly and heating surface or refrigeration surface connection, or in heating surface or refrigeration surface simultaneously setting heat transfer assembly, phase-change energy storage piece is set on heat transfer assembly, so that it can be realized heat conduction by heat transfer assembly, and then make energy storage equipment realize refrigeration or heating, or realize refrigeration and heating simultaneously, to improve the energy storage efficiency of energy storage equipment;Phase-change energy storage piece can also be applied to heating or refrigeration equipment, to make relevant equipment realize refrigeration or heating.

The present invention relates to a pipeline heat exchange system with a detection function, which is mainly used to realize a heat exchange system combining building energy conservation and pipeline monitoring, and at the same time provides a new energy solution. The present invention is a pipeline heat exchange system with a detection function, which includes a heat pump unit, an energy storage device, and an energy storage heat exchange pipeline. The user-end water outlet pipe of the heat pump unit is connected to the user pipeline water supply pipe, the user pipeline return pipe is connected to the user-end return pipe of the heat pump unit, the energy conversion end water outlet pipe of the heat pump unit is connected to the circulating water pipe water inlet end of the energy storage heat exchange pipeline through a water distributor, the water outlet end of the circulating water pipe is connected to the energy conversion end water inlet pipe of the heat pump unit through a water collector, and the heat pump unit is also connected to an energy storage device. Multiple groups of temperature sensors are installed inside and around the energy storage heat exchange pipeline, and optical fiber sensors are installed on the side walls of the heat exchange pipeline to transmit the temperature of the temperature sensor in real time.

The invention relates to the field of heat supply systems, in particular to a multi-temperature-zone heat supply system and application thereof.The multi-temperature-zone heat supply system at least comprises a heat carrier conveying pump, heating equipment, high-temperature heat utilization equipment, low-temperature heat utilization equipment, heat carrier mixing equipment and heat carrier buffering equipment; the application method of the multi-temperature-zone heat supply system comprises the steps that the heat carrier conveying pump conveys cooling heat carriers circulated back by the high-temperature heat utilization equipment and the low-temperature heat utilization equipment to the heating equipment, and the heating equipment outputs part of the high-temperature heat carriers to the high-temperature heat utilization equipment to achieve high-temperature heat supply; the other part of the high-temperature heat carrier output by the heating equipment is conveyed to the heat carrier mixing equipment, is mixed with the low-temperature circulating heat carrier output by the low-temperature heat utilization equipment, then enters the heat carrier buffer equipment and is conveyed to the low-temperature heat utilization equipment to realize low-temperature heat supply, and the system can be applied to different systems under two or more temperature heat carrier application working conditions; different temperature requirements in the field of synthesis processing of pesticides and intermediates thereof are met, so that equipment investment is reduced, and a production system is simplified.

Disclosed is a heating, ventilating and / or air conditioning device and a motor vehicle, comprising: a housing allowing airflow to pass through; a layered partition wall arranged inside the housing and comprising a first partition wall having a first partition part; the first partition part separates a first space and a second space in the housing; a zoned partition wall arranged inside the housing, wherein the zoned partition wall comprises a central partition wall and two auxiliary partition walls arranged respectively on both sides of the central partition wall; and wherein the central partition wall and the two auxiliary partition walls divide the first space into four first space sub-zones; the central partition wall and the two auxiliary partition walls divide the second space into four second space sub-zones.

When the system works in heating and refrigerating, a first compressor pumps a high-temperature and high-pressure gaseous refrigerant into a first heating unit to release heat, the high-temperature and high-pressure gaseous refrigerant is changed into a normal-temperature and high-pressure liquid refrigerant after releasing heat, and the normal-temperature and high-pressure liquid refrigerant flows through a first expansion valve to be expanded; the expanded normal-temperature and high-pressure liquid-state refrigerant is changed into a low-temperature and low-pressure gas-liquid-state mixed refrigerant and flows into the first refrigeration unit to absorb heat, and the low-temperature and low-pressure gas-liquid-state mixed refrigerant is changed into a low-temperature and low-pressure gas-state refrigerant and enters the first compressor after absorbing heat, so that latent heat circulation is formed; in this way, the first refrigerating unit and the first heating unit do not need to consume energy, refrigerating and heating can be achieved only by conducting latent heat circulation between the first refrigerating unit and the first heating unit through refrigerants, and only the energy consumption of the first compressor needs to be provided. The system can greatly reduce the energy consumption of a cold air system and reduce the cold air cost.