CN118102666A - Evaporative energy recovery unit without cross air pollution during fresh air exhaust - Google Patents
Evaporative energy recovery unit without cross air pollution during fresh air exhaust Download PDFInfo
- Publication number
- CN118102666A CN118102666A CN202410119849.4A CN202410119849A CN118102666A CN 118102666 A CN118102666 A CN 118102666A CN 202410119849 A CN202410119849 A CN 202410119849A CN 118102666 A CN118102666 A CN 118102666A
- Authority
- CN
- China
- Prior art keywords
- air
- exhaust
- fresh air
- coil
- heat recovery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000011084 recovery Methods 0.000 title claims abstract description 182
- 238000003915 air pollution Methods 0.000 title claims description 4
- 230000007246 mechanism Effects 0.000 claims abstract description 81
- 238000005507 spraying Methods 0.000 claims abstract description 22
- 238000012864 cross contamination Methods 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 203
- 239000007921 spray Substances 0.000 claims description 26
- 238000009423 ventilation Methods 0.000 claims description 26
- 239000000498 cooling water Substances 0.000 claims description 16
- 238000004378 air conditioning Methods 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 claims description 3
- 230000001172 regenerating effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 6
- 238000012545 processing Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000007781 pre-processing Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000007791 dehumidification Methods 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 241000700605 Viruses Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
Landscapes
- Central Air Conditioning (AREA)
Abstract
The invention discloses an evaporative energy recovery unit without cross contamination of air in fresh air exhaust, which comprises an air exhaust unit, a heat recovery unit and a fresh air processing unit which are assembled in a modularized manner, wherein the air exhaust unit, the heat recovery unit and the fresh air processing unit are assembled in a sealing manner in sequence, and the upper end side and the lower end side of the air exhaust unit are communicated with the heat recovery unit; the unit adopts a modularized assembly mode, so that the installation and maintenance are more convenient, the fresh air handling unit and the exhaust unit adopt mutually independent channel designs, and the air cross pollution can be avoided by 100%, so that the air quality is improved; the energy in exhaust air can be effectively recovered through the arrangement of the spraying heat recovery mechanism and the heat recovery coil pipe, and the recovered energy is used for preprocessing fresh air, so that more efficient energy recovery and utilization efficiency is realized.
Description
Technical Field
The invention relates to the technical field of fresh air systems, in particular to an evaporative energy recovery unit without cross contamination of fresh air.
Background
The fresh air system is an air circulation system which can filter, heat or cool outdoor air and send the treated fresh air into a room, so that the indoor air quality can be improved, and the problem of air pollution caused by long-time closed space is avoided.
With the improvement of the living standard of people, the indoor air quality problem gradually causes the light of people to pay attention to the people; increasing the new wind speed to dilute the concentration of contaminants in the indoor air is one of the most direct and effective methods for improving the indoor air quality; in modern buildings, part of the projects are to improve indoor air quality, an oversized fresh air system is introduced, fresh air energy consumption is increased along with the increase of fresh air quantity, and the fresh air energy consumption accounts for 40% of energy consumption of an air conditioning system, and meanwhile, the air discharge quantity is increased correspondingly along with the increase of fresh air quantity, so that energy loss is unavoidable; the existing main modes for indoor exhaust energy recovery are divided into a rotating wheel type, a plate-fin type and a heat pipe type, but all have the problems of large occupied machine room area, single function, low heat recovery efficiency, cross contamination of air between fresh exhaust and fresh exhaust, and the like.
The invention patent number 201611206913.4 discloses a household fresh air heat recovery device with a cold source and a heat source, which comprises a filter, an exhaust fan, a total heat exchanger, an electric air mixing valve, an evaporator, a condenser, a first electric water valve, a second electric water valve, a third electric water valve, a fourth electric water valve, a blower and a reheating coil pipe, wherein the filter is connected with the total heat exchanger; the filter, the exhaust fan and the total heat exchanger are connected; the total heat exchanger is connected with a dehumidification module, and the dehumidification module comprises an evaporator and a condenser; the invention can fully recover the heat of exhaust air and return water of the condenser, so that the heat recovery efficiency reaches more than 80%; the dehumidification module is designed to realize the functions of refrigerating in summer, dehumidifying and heating in winter; meanwhile, through recycling the returned water of the condenser, the energy consumption of regeneration after conventional fresh air dehumidification can be saved in summer, and the system has the function of adjusting the heat balance of the soil in winter and summer for a soil source heat pump system.
The invention has three operation modes of summer operation mode, non-air-conditioning season operation mode and winter operation mode, and is provided with a total heat exchanger for heat recovery of exhaust air, but fresh air and exhaust air are required to enter the total heat exchanger for direct contact heat exchange, filtered fresh air is polluted by exhaust air in the heat exchange process, so that the outdoor peculiar smell, dust and the like discharged by exhaust air are re-sent into a room by the fresh air, and the temperature and humidity of the fresh air sent into the room reach the standard, but the fresh air quality is poor.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an evaporative energy recovery unit which adopts independent channels for fresh air and exhaust air and efficiently recovers and utilizes the exhaust air heat energy, wherein the fresh air and the exhaust air do not have air cross contamination.
The technical scheme adopted for solving the technical problems is as follows:
The utility model provides an evaporative type energy recovery unit that new no air cross contamination of airing exhaust, is including the exhaust unit, heat recovery unit and the new trend processing unit of modularization assembly, exhaust unit, heat recovery unit and new trend processing unit seal assembly in proper order, and exhaust unit's upper end avris and lower extreme avris communicate with the heat recovery unit.
Further, this exhaust set is including the exhaust box, set up in exhaust box side below, be located the external filter of airing exhaust of exhaust box, set up behind the filter of airing exhaust, be located the heat recovery coil pipe of box of airing exhaust, set up in the heat recovery coil pipe top, be used for controlling the ventilation air valve of the flow direction of airing exhaust, set up the energy-conserving air valve of airing exhaust in ventilation air valve side top, set up the mechanism of airing exhaust in the energy-conserving air valve top of airing exhaust, set up in the energy-conserving air valve top of airing exhaust, be located the expansion tank behind the mechanism of airing exhaust, set up in the first baffle of heat recovery coil pipe both sides.
Further, the heat recovery unit comprises a heat recovery box body, a spraying heat recovery mechanism for carrying out heat recovery on exhaust air, and a water baffle plate which is arranged above the spraying heat recovery mechanism and is used for preventing spray water from being brought out of the room by exhaust air.
Further, this fresh air handling unit is including the fresh air handling box, set up in fresh air handling box side below, be located the fresh air filter outside the fresh air handling box, set up in the fresh air handling box, be close to the shower heat recovery circulating water pump of heat recovery unit one side, set up the energy-conserving blast gate of fresh air in the fresh air handling box, set up in the fresh air handling box, carry out preheating treatment's fresh air preheating coil, set up the fresh air preheating coil after the fresh air preheating coil, carry out precooling treatment's fresh air precooling coil, set up after the fresh air precooling coil, further heat or refrigerated cold and hot water coil to the fresh air after the preliminary treatment, set up in the other air supply mechanism of the energy-conserving blast gate of fresh air, and set up in the second baffle of fresh air preheating coil both sides.
Preferably, the spray heat recovery mechanism comprises a spray water tank which is arranged in the heat recovery box body and is communicated with a spray heat recovery circulating water pump, a heat recovery core body which is arranged above the spray water tank, and a water distributor which is arranged above the heat recovery core body and is communicated with a fresh air precooling coil pipe.
Preferably, the heat recovery coil is communicated with the fresh air preheating coil and the spraying heat recovery circulating water pump.
Preferably, drainage pipelines are arranged at the bottoms of the air exhaust unit and the fresh air processing unit.
Preferably, the spray heat recovery circulating water pump is also communicated with a fresh air preheating coil, a fresh air precooling coil and an expansion water tank.
Preferably, the fresh air energy-saving air valve is arranged in the upper space between the fresh air filter and the fresh air preheating coil.
Preferably, the cold and hot water pipe side lower end is provided with an input connection pipe of a cold source or a heat source, and the cold and hot water pipe side upper end is provided with an output connection pipe of the cold source or the heat source.
Preferably, the side of the spraying water pool is provided with a water outlet and an overflow port of the connecting pipe body.
Preferably, the new exhaust air evaporative energy recovery unit has three operation modes, namely a summer operation mode, a non-air-conditioning season operation mode and a winter operation mode.
Further, when the unit is in a summer operation mode, the fresh air energy-saving air valve, the air exhaust energy-saving air valve, the heat recovery coil and the fresh air preheating coil are closed, and the ventilation air valve, the circulating water pump, the fresh air precooling coil and the cold and hot water coil are opened; the fresh air sequentially passes through a fresh air filter, a fresh air preheating coil, a fresh air precooling coil and a cold and hot water coil and is fed into a room by an air supply mechanism; the exhaust air sequentially passes through an exhaust filter, a ventilation air valve, a heat recovery core body and a water baffle plate and is discharged outdoors by an exhaust mechanism; the circulating water pump conveys cooling water in the spraying water pool into the fresh air precooling coil, fresh air exchanges heat with the cooling water when passing through the fresh air precooling coil, the temperature of the fresh air is reduced, the precooled fresh air exchanges heat with chilled water in the cold and hot water coil when passing through the cold and hot water coil, and the temperature and the humidity of the fresh air are further reduced to reach a control target and then are sent into a room; the cooling water and fresh air are sprayed onto the heat recovery core through the water distributor after heat exchange and temperature rise, when the exhaust air passes through the heat recovery core, the exhaust air exchanges damp heat with spray water on the surface of the heat recovery core, the exhaust air temperature rises, the humidity is close to saturation, and when the exhaust air passes through the water baffle, the water carried by the exhaust air is intercepted by the water baffle, and finally the exhaust air is discharged outdoors by the exhaust mechanism.
Further, when the unit is in a winter running mode, media fed into the cold and hot water coils are replaced by hot water, a fresh air energy-saving air valve, a ventilation air valve and a fresh air precooling coil are closed, and an air exhaust energy-saving air valve, a circulating water pump, a fresh air preheating coil, a cold and hot water coil and a heat recovery coil are opened; the fresh air sequentially passes through a fresh air filter, a fresh air preheating coil, a fresh air precooling coil and a cold and hot water coil and is fed into a room by an air supply mechanism; the exhaust air sequentially passes through an exhaust filter, a heat recovery coil pipe and an exhaust energy-saving air valve and is discharged outdoors by an exhaust mechanism; the circulating water pump conveys the medium provided by the expansion water tank to the fresh air preheating coil, the fresh air exchanges heat with the medium when passing through the fresh air preheating coil, the temperature of the fresh air rises, the preheated fresh air further exchanges heat with hot water in the cold and hot water coil after passing through the cold and hot water coil, and the temperature of the fresh air further rises to reach a control target and then is sent into a room; the medium in the fresh air preheating coil is conveyed into the regenerative recovery coil after heat exchange and temperature reduction with the fresh air, the air is subjected to heat exchange with the medium when passing through the heat recovery coil, the temperature of the medium is increased, the air exhaust temperature is reduced, most of the air exhaust is driven by air flow caused by an air exhaust mechanism to pass through an air exhaust energy-saving air valve, and then the air exhaust mechanism is discharged outdoors; the small part of exhaust air which is not driven by the air flow caused by the exhaust mechanism flows to the heat recovery unit from the communication position of the exhaust unit and the lower end side of the heat recovery unit, flows back to the exhaust unit from the communication position of the exhaust unit and the upper end side of the heat recovery unit, and is then discharged outdoors by the exhaust mechanism; the medium after heat exchange is conveyed to a fresh air preheating coil pipe by a circulating water pump to preheat fresh air; under the operation mode, the heat recovery core body can be taken out, so that the exhaust resistance loss is reduced, and the exhaust circulation is smoother and more efficient.
Further, when the unit is in a non-air-conditioning season operation mode, a variable-air-channel variable-frequency energy-saving technology is used for closing the heat recovery coil, the fresh air preheating coil, the fresh air precooling coil, the cold and hot water coil and the circulating water pump, and a ventilation air valve, an air exhaust energy-saving air valve and a fresh air energy-saving air valve are opened; fresh air enters the fresh air treatment box body from the fresh air filter, passes through the fresh air energy-saving air valve smoothly and unimpeded, reaches the air supply mechanism, and is then sent into a room by the air supply mechanism; the exhaust air enters the exhaust unit from the exhaust air filter, then smoothly passes through the ventilation air valve and flows to the exhaust air energy-saving air valve, and most of the exhaust air is driven by air flow caused by the exhaust mechanism to pass through the exhaust air energy-saving air valve and then is discharged outdoors by the exhaust mechanism; the small part of the exhaust air which is not driven by the air flow caused by the exhaust mechanism flows to the heat recovery unit from the communication position of the lower end side of the exhaust unit and the heat recovery unit, flows back to the exhaust unit from the communication position of the upper end side of the exhaust unit and the heat recovery unit, and is exhausted outdoors by the exhaust mechanism.
The beneficial effects of the invention are as follows:
The unit adopts a modularized assembly mode, and can flexibly select split type or integral type multiple installation modes according to project site conditions, so that the installation and maintenance are more convenient, and the area of a machine room can be reasonably saved; the fresh air handling unit and the exhaust unit are designed by mutually independent channels, so that no air cross pollution can be ensured by 100%, and the air quality is improved; the arrangement of the spraying heat recovery mechanism and the heat recovery coil pipe can effectively recover energy in exhaust air, and the recovered energy is used for preprocessing fresh air, so that more efficient energy recovery and utilization efficiency is realized; meanwhile, a filtering device is arranged at the fresh air inlet to effectively filter PM2.5 particles.
Drawings
FIG. 1 is a schematic diagram of the front structure of an evaporative energy recovery unit without cross-contamination of fresh air exhaust in this embodiment;
FIG. 2 is a schematic diagram of the back structure of an evaporative energy recovery unit without cross-contamination of fresh air exhaust in this embodiment;
FIG. 3 is a front view of a schematic structural diagram of an evaporative energy recovery unit with no cross-contamination of fresh air exhaust in this embodiment;
FIG. 4 is a schematic view showing the overall appearance of an evaporative energy recovery unit with no cross-contamination of fresh air exhaust in this embodiment;
FIG. 5 is a schematic diagram of the flow direction of fresh air and exhaust air in the summer operation mode of the present embodiment;
FIG. 6 is a schematic view of the flow direction of fresh air and exhaust air in the winter operation mode of the present embodiment;
fig. 7 is a schematic diagram of flow directions of fresh air and exhaust air in the non-air-conditioning season operation mode of the present embodiment.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to limit the invention, so that those skilled in the art may better understand the invention and practice it.
Examples
Referring to fig. 1-4, an evaporative energy recovery unit without cross contamination of fresh air exhausted by fresh air comprises an exhaust unit 1, a heat recovery unit 2 and a fresh air treatment unit 3 which are assembled in a modularized mode, wherein the exhaust unit 1, the heat recovery unit 2 and the fresh air treatment unit 3 are assembled in a sealing mode in sequence, and the upper end side and the lower end side of the exhaust unit 1 are communicated with the heat recovery unit 2; the exhaust unit 1 comprises an exhaust box body 11, an exhaust filter 12 arranged below the side of the exhaust box body 11 and positioned outside the exhaust box body 11, a heat recovery coil pipe 13 arranged behind the exhaust filter 12 and positioned in the exhaust box body 11, a ventilation air valve 14 arranged above the heat recovery coil pipe 13 and used for controlling the flow direction of exhaust air, an exhaust energy-saving air valve 15 arranged above the side of the ventilation air valve 14, an exhaust mechanism 16 arranged above the exhaust energy-saving air valve 15, an expansion water tank 17 arranged above the exhaust energy-saving air valve 15 and positioned in front of the exhaust mechanism 16, and first baffle plates 18 arranged on two sides of the heat recovery coil pipe 13; the heat recovery unit 2 comprises a heat recovery box 21, a spray heat recovery mechanism 22 for carrying out heat recovery on exhaust air, and a water baffle 23 which is arranged above the spray heat recovery mechanism 22 and is used for preventing spray water from being carried out of a room by the exhaust air; the fresh air handling unit 3 comprises a fresh air handling box 31, a fresh air filter 32 arranged below the side of the fresh air handling box 31 and outside the fresh air handling box 31, a circulating water pump 33 arranged in the fresh air handling box 31 and close to one side of the heat recovery unit 2, a fresh air energy-saving air valve 34 arranged in the fresh air handling box 31, a fresh air preheating coil 35 arranged in the fresh air handling box 31 and used for preheating fresh air, a fresh air precooling coil 36 arranged behind the fresh air preheating coil 35 and used for precooling fresh air, a cold and hot water coil 37 arranged behind the fresh air precooling coil 36 and used for further heating or refrigerating the pretreated fresh air, an air supply mechanism 38 arranged beside the fresh air energy-saving air valve 34, and second baffles 39 arranged on two sides of the fresh air preheating coil 35.
In the scheme, the air exhaust unit 1, the heat recovery unit 2 and the fresh air handling unit 3 are assembled in a modularized sealing mode, so that the installation and the maintenance are convenient, and meanwhile, the efficient operation of a system can be ensured; the upper end side and the lower end side of the exhaust unit 1 are communicated with the heat recovery unit 2, so that exhaust air can flow from the lower end of the exhaust unit 1 to the heat recovery unit 2, the heat recovery unit 2 carries out heat recovery utilization on the exhaust air through the spray heat recovery mechanism 22, and then the exhaust air flows back to the exhaust unit 1 from the upper end of the heat recovery unit 2 and is discharged outdoors by the exhaust mechanism 16; the fresh air treatment unit 3 is not communicated with the heat recovery unit 2, so that the fresh air and the exhaust air use channels which are completely independent of each other, and 100% of the channels ensure no air cross contamination; the exhaust filter 12 can effectively filter out the particulate matters in the exhaust air, and reduce the concentration of the particulate matters in the exhaust air, thereby playing a role in protecting the environment to a certain extent; the fresh air filter 32 can effectively filter pollutants such as particles, dust, pollen, bacteria, viruses, mold, peculiar smell and the like in the outdoor air, prevent the outdoor pollutants from entering the room along with the fresh air, and ensure the quality of the fresh air conveyed into the room, thereby effectively improving the quality of the indoor air; the ventilation air valve 14, the air exhaust energy-saving air valve 15 and the fresh air energy-saving air valve 34 are all air valves with intelligent control functions, and the opening and closing of the air valves can be changed according to the requirements of different seasons to change the flow directions of fresh air and air exhaust, so that unnecessary energy consumption is avoided; the first baffle 18 is matched with the heat recovery coil 13 and the ventilation air valve 14, and divides the air exhaust channel below the air exhaust mechanism 16 into a left part and a right part, so that the air exhaust can be prevented from directly bypassing the heat recovery coil 13 from two sides in a winter running mode, and the recovery effect of the heat recovery coil 13 on the air exhaust heat is affected; in the summer operation mode and the non-air-conditioning operation mode, the heat recovery coil pipe 13 is closed, and the ventilation air valve 14 is opened; in the winter running mode of the unit, the heat recovery coil pipe 13 is opened, and the ventilation air valve 14 is closed; the heat recovery coil 13 can perform heat recovery on exhaust air in a winter operation mode, and transfer the recovered heat to the fresh air preheating coil 35 to preheat fresh air; expansion tank 17 may provide a medium for energy transfer between heat recovery coil 13 and fresh air preheating coil 35; in the summer operation mode, the fresh air can be cooled through the fresh air precooling coil 36, so that the fresh air is more suitable for indoor use, a cool indoor environment is provided, and the comfort feeling of people is improved; the cold and hot water coil 37 can provide cold sources or heat sources according to different seasons, so that the pretreated fresh air is further cooled or heated, and the fresh air reaches a proper temperature; the second baffle 39 cooperates with the fresh air preheating coil 35 to divide a fresh air channel below the air supply mechanism 38 of the fresh air processing box 31 into a left part and a right part, so that most of fresh air can directly pass through the fresh air energy-saving air valve 34 and then is conveyed into a room by the air supply mechanism 38 in a non-air-conditioning operation mode of the unit, and the air supply efficiency can be effectively improved; it should be noted that, the exhaust mechanism 16 and the air supply mechanism 38 are all composed of a mounting bracket, a fan and a motor, and the exhaust unit 1, the heat recovery unit 2 and the fresh air handling unit 3 are all provided with the outer shells of the sealed heat-preserving coating box body.
Referring to fig. 1-3, the spray heat recovery mechanism 22 includes a spray water tank 221 disposed in the heat recovery tank 21 and connected to the circulating water pump 33, a heat recovery core 222 disposed above the spray water tank 221, and a water distributor 223 disposed above the heat recovery core 222 and connected to the fresh air pre-cooling coil 36; the side of the spray pool 221 is provided with a water outlet 2211 and an overflow port 2212 of the connecting pipe body.
In the scheme, the spray heat recovery mechanism 22, the circulating water pump 33 and the fresh air precooling coil 36 are combined to form a complete water circulation system; the circulating water pump 33 supplies cooling water in the spraying water tank 221 to the fresh air precooling coil 36 to precool fresh air, the cooling water after the heat exchange between the fresh air precooling coil 36 and the fresh air is sent to the water distributor 223, the cooling water is sprayed on the heat recovery core 222 through the water distributor 223 to perform full wet heat exchange with exhaust air, the sprayed water is cooled to be close to the temperature of the wet bulb of the exhaust air and falls into the spraying water tank 221, and then the sprayed water enters the circulating water pump 33 to form complete water circulation; the spraying water tank 221 is provided with the water outlet 2211 and the overflow port 2212, and the shell of the heat recovery box body 21 is also provided with the water supplementing port 2213, the arrangement of the water outlet 2211 and the water supplementing port 2213 is beneficial to periodically replacing cooling water in the spraying water tank 221, so that the cooling water is prevented from breeding microorganisms such as bacteria and mold in the spraying water tank 221, and the discharged cooling water can be used for watering, so that water resources are saved, the cost of emission and water treatment is reduced, and the advantages of sustainable utilization are realized; the overflow port 2212 can prevent the cooling water in the spraying water tank 221 from overflowing the water tank, thereby influencing the operation; it should be noted that the water compensating port 2213 is disposed above the spray water tank 221; the water baffle 23 arranged above the water distributor 223 can effectively prevent the shower water from being discharged out of the room by the exhaust air.
Referring to fig. 1-3, the heat recovery coil 13 is communicated with a fresh air preheating coil 35 and a circulating water pump 33; the circulating water pump 33 is also in communication with a fresh air preheating coil 35, a fresh air precooling coil 36 and an expansion tank 17.
In the scheme, the expansion water tank 17 is connected to a connecting pipeline of the heat recovery coil 13 and the circulating water pump 33 through a pipeline to provide a medium for energy transfer between the heat recovery coil 13 and the fresh air preheating coil 35; the medium that the circulating water pump 33 provided expansion tank 17 supplies fresh air preheating coil 35 and fresh air to exchange heat, the medium after absorbing the fresh air cooling capacity is conveyed to the heat recovery coil 13 and exhausted air to exchange heat, and the medium is supplied to the fresh air preheating coil 35 by the circulating water pump 33 after absorbing the heat of exhausted air, so that complete energy recycling circulation is established, energy loss is avoided, the demand of the system on external energy sources can be reduced, energy consumption is reduced, and efficient recycling of energy sources is achieved.
It should be noted that, the pipes connected to the circulating water pump 33 are all provided with water valves, and the corresponding water valves are closed according to the working conditions of the system, so as to prevent water from flowing to the non-working mechanism and damaging the mechanism; in the summer operation mode, the fresh air preheating coil 35 and the heat recovery coil 13 are in a closed state, so that the water valve on the pipeline connecting the circulating water pump 33 and the heat recovery coil 13 is closed, the water valve on the pipeline connecting the circulating water pump 33 and the fresh air preheating coil 35 is closed, the water valve on the pipeline connecting the expansion water tank 17 is closed, and the water valves on the other connecting pipelines are opened; in the winter operation mode, the fresh air pre-cooling coil 25 is in a closed state, so that the water valve on the pipeline connecting the circulating water pump 33 and the fresh air pre-cooling coil 36 is closed, the water valve on the pipeline connecting the circulating water pump 33 and the spraying water tank 221 is closed, and the water valves on the other connecting pipelines are opened; in the non-air conditioning season mode of operation, the heat recovery coil 13, the fresh air preheating coil 35, the fresh air pre-cooling coil 36, the hot and cold water coil 37 and the circulating water pump 33 are all in a closed state, thus closing all water valves.
Referring to fig. 1, drainage pipelines are arranged at the bottoms of the air exhaust unit 1 and the fresh air handling unit 3.
In this scheme, the heat recovery coil 13 of exhaust unit 1 can produce the comdenstion water at the during operation, and fresh air handling unit 3 can produce the comdenstion water equally under the refrigerated condition, if can not in time with these moisture discharge unit, can lead to moisture accumulation and stay, form humid environment, it is easy to breed microorganism such as bacterium, mould, influence fresh air quality, long-term moisture accumulation also can lead to the inside corruption of equipment, problem such as leaking, reduce the life of equipment, set up drainage pipe and can get rid of the moisture in exhaust unit 1 and the fresh air handling unit 3 effectively, avoid the moisture accumulation to cause the problem, maintain the normal operating and the stability of system, help protecting equipment, and can guarantee the fresh air quality that carries indoor.
Referring to fig. 3, the fresh air energy-saving damper 34 is provided in the upper space between the fresh air filter 32 and the fresh air preheating coil 35.
In this scheme, set up the energy-conserving blast gate 34 of new trend in the fresh air filter 32 and the fresh air preheating coil 35 the space above between, help in the non-air conditioning season fresh air get into fresh air handling unit 3 inside from fresh air filter 32 back, the fresh air can be smooth and unimpeded near the fresh air energy-conserving blast gate 34 that opens reaches air supply mechanism 38, then carry indoor by air supply mechanism 38, can effectively improve air supply efficiency, and the mechanism such as need not to open heat recovery unit 2, heat recovery coil 13, fresh air preheating coil 35, fresh air precooling coil 36, cold and hot water coil 37 in the air supply process, can avoid producing unnecessary energy consumption.
Referring to fig. 1, the cold and hot water coil 37 is provided at a lower end thereof with an input nipple 371 for a cold source or a heat source, and the cold and hot water coil 37 is provided at an upper end thereof with an output nipple 372 for a cold source or a heat source.
In this embodiment, the input adapter 371 and the output adapter 372 are connected to an external device for supplying chilled water or hot water; in the refrigerating mode, the external equipment continuously provides chilled water for the cold and hot water coil 37, the chilled water is fed into the cold and hot water coil 37 from the input adapter 371, deep refrigeration is carried out on fresh air with the temperature still reaching the standard after precooling, and after the chilled water exchanges heat with the fresh air and is heated, the chilled water flows back to the external equipment from the output adapter 372; in a heating mode of the unit, external equipment continuously supplies hot water to the cold and hot water coil 37, hot water is supplied into the cold and hot water coil 37 from the input adapter 371, fresh air with temperature still reaching the standard after preheating is deeply heated, and the hot water and the fresh air are subjected to heat exchange and temperature reduction and then flow back to the external equipment from the output adapter 372; the setting of input adapter 371 and output adapter 372 makes external equipment can adjust the temperature and the flow of chilled water and hot water as required to the demand in different environment and season can be adapted to whole system in addition, provides more accurate temperature control.
Referring to fig. 5-7, the evaporative energy recovery unit with fresh air exhaust and no air cross contamination has three operation modes, namely a summer operation mode, a non-air-conditioning season operation mode and a winter operation mode.
Referring to fig. 5, when the unit is in the summer operation mode, the fresh air energy-saving air valve 34, the air exhaust energy-saving air valve 15, the heat recovery coil 13 and the fresh air preheating coil 35 are closed, and the ventilation air valve 14, the circulating water pump 33, the fresh air precooling coil 36 and the cold and hot water coil 37 are opened; the fresh air sequentially passes through a fresh air filter 32, a fresh air preheating coil 35, a fresh air precooling coil 36 and a cold and hot water coil 37 and is sent into a room by an air supply mechanism 38; the exhaust air sequentially passes through the exhaust air filter 12, the ventilation air valve 14, the heat recovery core 222 and the water baffle 23 and is discharged outdoors by the exhaust air mechanism 16; the circulating water pump 33 conveys cooling water in the spraying water tank 221 into the fresh air precooling coil 36, fresh air exchanges heat with the cooling water when passing through the fresh air precooling coil 36, the fresh air temperature is reduced, and the precooled fresh air exchanges heat with chilled water in the cold and hot water coil 37 when passing through the cold and hot water coil 37, so that the temperature and the humidity of the fresh air are further reduced to reach a control target and then are sent into a room; the cooling water exchanges heat with the fresh air and is sprayed onto the heat recovery core 222 through the water distributor 223 after being heated, when the exhaust air passes through the heat recovery core 222, the exhaust air exchanges damp heat with the spray water on the surface of the heat recovery core 222, the exhaust air temperature rises, the humidity is close to saturation, and when the exhaust air passes through the water baffle 23, the water carried by the exhaust air is intercepted by the water baffle 23, and finally the exhaust air is discharged outdoors by the exhaust mechanism 16.
Referring to fig. 6, when the unit is in the winter operation mode, the medium supplied into the cold and hot water coil 37 is replaced with hot water, the fresh air energy-saving air valve 34, the ventilation air valve 14 and the fresh air precooling coil 36 are closed, and the air exhaust energy-saving air valve 15, the circulating water pump 33, the fresh air preheating coil 35, the cold and hot water coil 37 and the heat recovery coil 13 are opened; the fresh air sequentially passes through a fresh air filter 32, a fresh air preheating coil 35, a fresh air precooling coil 36 and a cold and hot water coil 37 and is sent into a room by an air supply mechanism 38; the exhaust air sequentially passes through an exhaust filter 12, a heat recovery coil 13 and an exhaust air energy-saving air valve 15 and is discharged outdoors by an exhaust air mechanism 16; the circulating water pump 33 conveys the medium provided by the expansion water tank 17 to the fresh air preheating coil 35, the fresh air exchanges heat with the medium when passing through the fresh air preheating coil 35, the temperature of the fresh air rises, the preheated fresh air passes through the cold and hot water coil 37 and exchanges heat with hot water in the cold and hot water coil 37, so that the temperature of the fresh air rises further to reach a control target and then is sent into a room; the medium in the fresh air preheating coil is conveyed into the regenerative recovery coil 13 after heat exchange and temperature reduction with the fresh air, the air is subjected to heat exchange with the medium when passing through the heat recovery coil 13, the temperature of the medium is increased, the air exhaust temperature is reduced, most of the air exhaust is driven by air flow caused by the air exhaust mechanism 16 to pass through the air exhaust energy-saving air valve 15, and then the air exhaust is discharged outdoors by the air exhaust mechanism 16; a small part of exhaust air which is not driven by air flow caused by the exhaust mechanism 16 flows to the heat recovery unit 2 from the communication position of the exhaust unit 1 and the lower end side of the heat recovery unit 2, flows back to the exhaust unit 1 from the communication position of the exhaust unit 1 and the upper end side of the heat recovery unit 2, and is then discharged outdoors by the exhaust mechanism 16; the medium after heat exchange is conveyed to a fresh air preheating coil 35 by a circulating water pump 33 to preheat fresh air; in this mode of operation, the heat recovery core 222 may be removed, thereby reducing the loss of exhaust resistance and allowing for smoother and more efficient exhaust circulation.
Referring to fig. 7, when the unit is in the non-air-conditioning season operation mode, the variable-duct variable-frequency energy-saving technology is used to close the heat recovery coil 13, the fresh air preheating coil 35, the fresh air precooling coil 36, the cold and hot water coil 37 and the circulating water pump 33, and the ventilation air valve 14, the air exhaust energy-saving air valve 15 and the fresh air energy-saving air valve 34 are opened; fresh air enters the fresh air treatment box body 31 from the fresh air filter 32, then smoothly passes through the fresh air energy-saving air valve 34, reaches the air supply mechanism 38, and is then sent into a room by the air supply mechanism 38; the exhaust air enters the exhaust unit 1 from the exhaust air filter 12, then smoothly passes through the ventilation air valve 14 and flows to the exhaust air energy-saving air valve 15, and most of the exhaust air is driven by air flow caused by the exhaust mechanism 16 to pass through the exhaust air energy-saving air valve 15 and then is discharged outdoors by the exhaust mechanism 16; a small part of exhaust air which is not driven by the air flow caused by the exhaust mechanism 16 flows to the heat recovery unit 2 from the communication position of the exhaust unit 1 and the lower end side of the heat recovery unit 2, flows back to the exhaust unit 1 from the communication position of the exhaust unit 1 and the upper end side of the heat recovery unit 2, and is then discharged outdoors by the exhaust mechanism 16.
The beneficial effects of the invention are as follows:
The unit adopts a modularized assembly mode, and can flexibly select split type or integral type multiple installation modes according to project site conditions, so that the installation and maintenance are more convenient, and the area of a machine room can be reasonably saved; the fresh air handling unit and the exhaust unit are designed by mutually independent channels, so that no air cross pollution can be ensured by 100%, and the air quality is improved; the arrangement of the spraying heat recovery mechanism and the heat recovery coil pipe can effectively recover energy in exhaust air, and the recovered energy is used for preprocessing fresh air, so that more efficient energy recovery and utilization efficiency is realized; meanwhile, a filtering device is arranged at the fresh air inlet to effectively filter PM2.5 particles.
The above-mentioned embodiments of the present invention are not intended to limit the scope of the present invention, and the embodiments of the present invention are not limited thereto, and all kinds of modifications, substitutions or alterations made to the above-mentioned structures of the present invention according to the above-mentioned general knowledge and conventional means of the art without departing from the basic technical ideas of the present invention shall fall within the scope of the present invention.
Claims (9)
1. An evaporative energy recovery unit without air cross contamination of new exhaust air, which is characterized in that: the system comprises an exhaust unit, a heat recovery unit and a fresh air handling unit which are assembled in a modularized manner, wherein the exhaust unit, the heat recovery unit and the fresh air handling unit are assembled in a sealing manner in sequence, and the upper end side and the lower end side of the exhaust unit are communicated with the heat recovery unit;
The exhaust unit comprises an exhaust box body, an exhaust filter, a heat recovery coil, a ventilation air valve, an exhaust energy-saving air valve, an exhaust mechanism, an expansion water tank and first baffle plates, wherein the exhaust filter is arranged below the outer side of the exhaust box body and positioned outside the exhaust box body, the heat recovery coil is arranged behind the exhaust filter and positioned in the exhaust box body, the ventilation air valve is arranged above the heat recovery coil and used for controlling the exhaust flow direction, the exhaust energy-saving air valve is arranged above the side of the ventilation air valve, the exhaust mechanism is arranged above the exhaust energy-saving air valve, the expansion water tank is arranged above the exhaust energy-saving air valve and positioned in front of the exhaust mechanism, and the first baffle plates are arranged on two sides of the heat recovery coil;
The heat recovery unit comprises a heat recovery box body, a spraying heat recovery mechanism used for carrying out heat recovery on exhaust air, and a water baffle plate arranged above the spraying heat recovery mechanism and used for preventing spray water from being brought out of the room by the exhaust air;
The fresh air treatment unit comprises a fresh air treatment box body, a fresh air filter, a spraying heat recovery circulating water pump, an energy-saving fresh air valve, a fresh air preheating coil, a fresh air precooling coil, an air cooling coil, an air supply mechanism and a second baffle, wherein the fresh air filter is arranged below the side of the fresh air treatment box body and is positioned outside the fresh air treatment box body, the spraying heat recovery circulating water pump is arranged in the fresh air treatment box body and is close to one side of the heat recovery unit, the fresh air energy-saving air valve is arranged in the fresh air treatment box body, the fresh air preheating coil is arranged in the fresh air treatment box body and is used for preheating fresh air, the fresh air precooling coil is arranged behind the fresh air preheating coil and is used for precooling the fresh air, the cold and hot water coil is arranged behind the fresh air precooling coil and is used for further heating or refrigerating after pretreatment, the air supply mechanism is arranged beside the fresh air energy-saving air valve, and the second baffle is arranged on two sides of the fresh air preheating coil.
2. The evaporative energy recovery unit without cross-contamination of fresh air exhaust of claim 1, wherein: the spray heat recovery mechanism comprises a spray water tank which is arranged in a heat recovery box body and is communicated with a spray heat recovery circulating water pump, a heat recovery core body which is arranged above the spray water tank, and a water distributor which is arranged above the heat recovery core body and is communicated with a fresh air precooling coil pipe.
3. The evaporative energy recovery unit without cross-contamination of fresh air exhaust of claim 1, wherein: the heat recovery coil is communicated with the fresh air preheating coil and the spraying heat recovery circulating water pump.
4. The evaporative energy recovery unit without cross-contamination of fresh air exhaust of claim 1, wherein: the bottom of the exhaust unit and the bottom of the fresh air handling unit are both provided with drainage pipelines.
5. The evaporative energy recovery unit without cross-contamination of fresh air exhaust of claim 1, wherein: the spray heat recovery circulating water pump is also communicated with a fresh air preheating coil, a fresh air precooling coil and an expansion water tank.
6. The evaporative energy recovery unit without cross-contamination of fresh air exhaust of claim 1, wherein: the fresh air energy-saving air valve is arranged in the upper space between the fresh air filter and the fresh air preheating coil.
7. The evaporative energy recovery unit without cross-contamination of fresh air exhaust of claim 1, wherein: the cold and hot water coil side lower end is provided with an input connecting pipe of a cold source or a heat source, and the cold and hot water coil side upper end is provided with an output connecting pipe of the cold source or the heat source.
8. The evaporative energy recovery unit without cross-contamination of fresh air exhaust of claim 1, wherein: the side of the spray pool is provided with a water outlet and an overflow port of the connecting pipe body.
9. The fresh air exhaust non-air cross-contaminated evaporative energy recovery unit according to any of claims 1-8, wherein: the evaporative energy recovery unit without cross air pollution for fresh air exhaust has three operation modes, namely a summer operation mode, a non-air-conditioning season operation mode and a winter operation mode;
When the unit is in a summer operation mode, the fresh air energy-saving air valve, the air exhaust energy-saving air valve, the heat recovery coil and the fresh air preheating coil are closed, and the ventilation air valve, the circulating water pump, the fresh air precooling coil and the cold and hot water coil are opened; the fresh air sequentially passes through a fresh air filter, a fresh air preheating coil, a fresh air precooling coil and a cold and hot water coil and is fed into a room by an air supply mechanism; the exhaust air sequentially passes through an exhaust filter, a ventilation air valve, a heat recovery core body and a water baffle plate and is discharged outdoors by an exhaust mechanism; the circulating water pump conveys cooling water in the spraying water pool into the fresh air precooling coil, fresh air exchanges heat with the cooling water when passing through the fresh air precooling coil, the temperature of the fresh air is reduced, the precooled fresh air exchanges heat with chilled water in the cold and hot water coil when passing through the cold and hot water coil, and the temperature and the humidity of the fresh air are further reduced to reach a control target and then are sent into a room; the cooling water and fresh air are sprayed onto the heat recovery core through the water distributor after heat exchange and temperature rise, when the exhaust air passes through the heat recovery core, the exhaust air exchanges damp heat with spray water on the surface of the heat recovery core, the exhaust air temperature rises, the humidity is close to saturation, and when the exhaust air passes through the water baffle, the water carried by the exhaust air is intercepted by the water baffle, and finally the exhaust air is discharged outdoors by the exhaust mechanism.
When the unit is in a winter running mode, the medium fed into the cold and hot water coil pipe is replaced by hot water, the fresh air energy-saving air valve, the ventilation air valve and the fresh air precooling coil pipe are closed, and the air exhaust energy-saving air valve, the circulating water pump, the fresh air preheating coil pipe, the cold and hot water coil pipe and the heat recovery coil pipe are opened; the fresh air sequentially passes through a fresh air filter, a fresh air preheating coil, a fresh air precooling coil and a cold and hot water coil and is fed into a room by an air supply mechanism; the exhaust air sequentially passes through an exhaust filter, a heat recovery coil pipe and an exhaust energy-saving air valve and is discharged outdoors by an exhaust mechanism; the circulating water pump conveys the medium provided by the expansion water tank to the fresh air preheating coil, the fresh air exchanges heat with the medium when passing through the fresh air preheating coil, the temperature of the fresh air rises, the preheated fresh air further exchanges heat with hot water in the cold and hot water coil after passing through the cold and hot water coil, and the temperature of the fresh air further rises to reach a control target and then is sent into a room; the medium in the fresh air preheating coil is conveyed into the regenerative recovery coil after heat exchange and temperature reduction with the fresh air, the air is subjected to heat exchange with the medium when passing through the heat recovery coil, the temperature of the medium is increased, the air exhaust temperature is reduced, most of the air exhaust is driven by air flow caused by an air exhaust mechanism to pass through an air exhaust energy-saving air valve, and then the air exhaust mechanism is discharged outdoors; the small part of exhaust air which is not driven by the air flow caused by the exhaust mechanism flows to the heat recovery unit from the communication position of the exhaust unit and the lower end side of the heat recovery unit, flows back to the exhaust unit from the communication position of the exhaust unit and the upper end side of the heat recovery unit, and is then discharged outdoors by the exhaust mechanism; the medium after heat exchange is conveyed to a fresh air preheating coil pipe by a circulating water pump to preheat fresh air; under the operation mode, the heat recovery core body can be taken out, so that the exhaust resistance loss is reduced, and the exhaust circulation is smoother and more efficient;
When the unit is in a non-air-conditioning quaternary operation mode, a variable-air-channel variable-frequency energy-saving technology is used for closing the heat recovery coil, the fresh air preheating coil, the fresh air precooling coil, the cold and hot water coil and the circulating water pump, and a ventilation air valve, an air exhaust energy-saving air valve and a fresh air energy-saving air valve are opened; fresh air enters the fresh air treatment box body from the fresh air filter, passes through the fresh air energy-saving air valve smoothly and unimpeded, reaches the air supply mechanism, and is then sent into a room by the air supply mechanism; the exhaust air enters the exhaust unit from the exhaust air filter, then smoothly passes through the ventilation air valve and flows to the exhaust air energy-saving air valve, and most of the exhaust air is driven by air flow caused by the exhaust mechanism to pass through the exhaust air energy-saving air valve and then is discharged outdoors by the exhaust mechanism; the small part of the exhaust air which is not driven by the air flow caused by the exhaust mechanism flows to the heat recovery unit from the communication position of the lower end side of the exhaust unit and the heat recovery unit, flows back to the exhaust unit from the communication position of the upper end side of the exhaust unit and the heat recovery unit, and is exhausted outdoors by the exhaust mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410119849.4A CN118102666A (en) | 2024-01-26 | 2024-01-26 | Evaporative energy recovery unit without cross air pollution during fresh air exhaust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410119849.4A CN118102666A (en) | 2024-01-26 | 2024-01-26 | Evaporative energy recovery unit without cross air pollution during fresh air exhaust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118102666A true CN118102666A (en) | 2024-05-28 |
Family
ID=91152118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410119849.4A Pending CN118102666A (en) | 2024-01-26 | 2024-01-26 | Evaporative energy recovery unit without cross air pollution during fresh air exhaust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118102666A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101021346A (en) * | 2007-03-21 | 2007-08-22 | 劳特斯空调(江苏)有限公司 | Air source heat pump air conditioner heat recovery total-fresh air processing method and the air conditioner system |
| WO2013131436A1 (en) * | 2012-03-05 | 2013-09-12 | Rong Guohua | Air-conditioning unit with heat recovery |
| CN103912947A (en) * | 2014-04-13 | 2014-07-09 | 荣国华 | Hot pump system for fan coil and heat-recovery fresh-air air conditioning unit |
| CN104930610A (en) * | 2015-06-19 | 2015-09-23 | 宝钢空调（泰州）有限公司 | Multifunctional, efficient and energy-saving total-heat recovery unit |
| CN205137748U (en) * | 2015-06-19 | 2016-04-06 | 宝钢空调（泰州）有限公司 | Multi -functional energy -efficient full heat recovery unit |
| CN205174647U (en) * | 2015-11-04 | 2016-04-20 | 西安工程大学 | Air conditioning unit based on full heat recovery of evaporation cooling |
| CN110454880A (en) * | 2019-07-08 | 2019-11-15 | 新疆维吾尔自治区建筑设计研究院 | Xeothermic severe cold cold climate area's whole year is with Fresh air handing air-conditioner set and application method |
| CN211177289U (en) * | 2019-12-27 | 2020-08-04 | 广州国灵空调有限公司 | Heat pump type two-stage evaporation heat recovery fresh air handling unit |
-
2024
- 2024-01-26 CN CN202410119849.4A patent/CN118102666A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101021346A (en) * | 2007-03-21 | 2007-08-22 | 劳特斯空调(江苏)有限公司 | Air source heat pump air conditioner heat recovery total-fresh air processing method and the air conditioner system |
| WO2013131436A1 (en) * | 2012-03-05 | 2013-09-12 | Rong Guohua | Air-conditioning unit with heat recovery |
| CN103912947A (en) * | 2014-04-13 | 2014-07-09 | 荣国华 | Hot pump system for fan coil and heat-recovery fresh-air air conditioning unit |
| CN104930610A (en) * | 2015-06-19 | 2015-09-23 | 宝钢空调（泰州）有限公司 | Multifunctional, efficient and energy-saving total-heat recovery unit |
| CN205137748U (en) * | 2015-06-19 | 2016-04-06 | 宝钢空调（泰州）有限公司 | Multi -functional energy -efficient full heat recovery unit |
| CN205174647U (en) * | 2015-11-04 | 2016-04-20 | 西安工程大学 | Air conditioning unit based on full heat recovery of evaporation cooling |
| CN110454880A (en) * | 2019-07-08 | 2019-11-15 | 新疆维吾尔自治区建筑设计研究院 | Xeothermic severe cold cold climate area's whole year is with Fresh air handing air-conditioner set and application method |
| CN211177289U (en) * | 2019-12-27 | 2020-08-04 | 广州国灵空调有限公司 | Heat pump type two-stage evaporation heat recovery fresh air handling unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103017269B (en) | Solution dehumidification/regeneration heat and moisture independent treatment air conditioning device and energy-saving operation method thereof | |
| CN205065912U (en) | Heat pipe - heat recovery type evaporative cooling air -conditioning system suitable for data center | |
| CN105135572A (en) | Heat pipe composite heat recovery type evaporative cooling air-conditioning system for data center | |
| CN105509199A (en) | Multi-split type air conditioning unit for subway station and control method of air conditioning unit | |
| CN108644941B (en) | Heat recovery type split air conditioner combining fresh air purification and mechanical refrigeration | |
| CN111295084A (en) | Indirect evaporative cooling air conditioning unit using condenser and evaporator | |
| CN109945329A (en) | Low temperature isolator air-conditioning system for the production of medicine enterprise | |
| CN108518791B (en) | Layered air conditioner ventilation system for large-space building | |
| CN108954625A (en) | Heat pump driven novel solutions dehumidifier/air-conditioning system | |
| CN209101477U (en) | A kind of recovery type heat evaporation cooling air processor group | |
| CN110160180B (en) | Composite energy air treatment unit | |
| CN105276732A (en) | Evaporative cooling type total heat recovery unit | |
| CN208253831U (en) | In conjunction with the recovery type heat split-type air conditioner of mechanical refrigeration and evaporation cooling technique | |
| CN118102666A (en) | Evaporative energy recovery unit without cross air pollution during fresh air exhaust | |
| CN114396658A (en) | Air conditioner adopting heat recovery device with bypass valve | |
| CN104534591A (en) | Heat pump type double-cold-source liquid dehumidifier unit | |
| CN104633789A (en) | Water source heat pump air conditioner system and control method thereof | |
| CN205299748U (en) | Subway station drags many split -type air conditioner unit with one | |
| CN109911166B (en) | Seawater direct radiation cold supply heating type environment control system | |
| CN204513625U (en) | A kind of cooling tower heating power actified solution dehumidifying unit | |
| CN204513638U (en) | The two low-temperature receiver solution dehumidification unit of a kind of heat-pump-type | |
| CN110440355B (en) | Hydropower station temperature-regulating dehumidifying air-conditioning system and operation method thereof | |
| CN209655508U (en) | A kind of air energy heat pump recuperation of heat dedicated fresh air unit | |
| CN114087702A (en) | Spray evaporation condensation multi-stage heat recovery fresh air handling unit | |
| CN210463393U (en) | Indirect evaporative cooling and mechanical refrigeration combined air conditioning unit suitable for data center |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |