CN214581535U - Direct evaporation type centralized air conditioner - Google Patents
Direct evaporation type centralized air conditioner Download PDFInfo
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- CN214581535U CN214581535U CN202120437679.6U CN202120437679U CN214581535U CN 214581535 U CN214581535 U CN 214581535U CN 202120437679 U CN202120437679 U CN 202120437679U CN 214581535 U CN214581535 U CN 214581535U
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- 238000001704 evaporation Methods 0.000 title claims abstract description 12
- 230000008020 evaporation Effects 0.000 title claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 238000005057 refrigeration Methods 0.000 claims abstract description 12
- 238000001035 drying Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 238000004378 air conditioning Methods 0.000 claims description 20
- 239000000498 cooling water Substances 0.000 abstract description 5
- 230000036541 health Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 239000003507 refrigerant Substances 0.000 description 20
- 230000003068 static effect Effects 0.000 description 8
- 239000007921 spray Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000008213 purified water Substances 0.000 description 4
- 239000008399 tap water Substances 0.000 description 4
- 235000020679 tap water Nutrition 0.000 description 4
- 238000007726 management method Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 206010022998 Irritability Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- 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]
- Y02B30/54—Free-cooling systems
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- Air Conditioning Control Device (AREA)
Abstract
A direct evaporation type centralized air conditioner belongs to the technical field of centralized air conditioners. The utility model comprises a refrigeration system, a steam heating and humidifying system and an air supply system, wherein the refrigeration system comprises a compressor, a condenser, a liquid receiver, a drying filter, a thermostatic expansion valve and an evaporator which are connected in sequence through pipelines, and the evaporator is arranged in the air supply system; the steam heating and humidifying system comprises a steam supply pipeline, a steam heater and a steam-to-steam humidifier, wherein the steam heater and the steam-to-steam humidifier are respectively connected with the steam supply pipeline, and the air outlet ends of the steam heater and the steam-to-steam humidifier are arranged in the air supply system. The utility model discloses need not to be equipped with the cooling water set, installation convenient to use, the operation management is simple, and humidification steam is clean simultaneously, has effectively ensured staff's health, has avoided the pollution to the environment.
Description
Technical Field
The utility model relates to a centralized air conditioning technology field especially relates to a direct evaporation formula centralized air conditioning device.
Background
Traditional centralized air conditioning equipment, chinese utility model application as application number CN200520003338.9 discloses a combined system of boiler and air conditioning unit, and this combined system includes boiler and air conditioning unit, the boiler is provided with heat exchanger and water tank, still be provided with the boiler is connected, constitute water circulation return circuit's delivery pipe and wet return. The air conditioning unit includes: a compressor having a discharge side and a suction side; a four-way reversing valve connected to a discharge side and a suction side of a compressor and having a first port, a second port communicable with the first port, a third port communicable with the second port, and a fourth port communicable with the discharge side of the compressor; the first heat exchanger is connected to a first interface of the four-way reversing valve; a first expansion valve connected to the first heat exchanger; a valve connected in parallel with the first heat exchanger and the first expansion valve; a second heat exchanger connected to the first expansion valve or the valve; a second expansion valve connected to the second heat exchanger, the second expansion valve being further connected to the boiler; the boiler is connected to the third port of the four-way reversing valve. The indirect cooling mode is mostly adopted for cooling air, a refrigerant water system is specially arranged, the pipeline is complex, and the operation management is difficult; the humidification of air directly adopts boiler steam to humidify, because the steam that steam boiler produced has irritability to skin, respiratory track, so can cause health threat to the staff to and cause the pollution to the environment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that above-mentioned prior art exists, provide a direct evaporation formula central air conditioning device, it need not to be equipped with the cooling water set, installation convenient to use, and the operation management is simple, and humidification steam is clean simultaneously, has effectively ensured staff's health, has avoided the pollution to the environment.
The utility model aims at realizing through the following technical scheme:
a direct evaporation type centralized air conditioning device comprises a refrigeration system, a steam heating and humidifying system and an air supply system, wherein the refrigeration system comprises a compressor, a condenser, a liquid receiver, a drying filter, a thermal expansion valve and an evaporator which are sequentially connected through pipelines, and the evaporator is arranged in the air supply system; the steam heating and humidifying system comprises a steam supply pipeline, a steam heater and a steam-to-steam humidifier, wherein the steam heater and the steam-to-steam humidifier are respectively connected with the steam supply pipeline, and the air outlet end of the steam heater and the air outlet end of the steam-to-steam humidifier are arranged in the air supply system.
The utility model discloses a theory of operation: when the refrigeration working condition is met, the air supply system and the compressor run, high-temperature and high-pressure refrigerant gas discharged by the compressor enters the condenser, and the heat of the high-temperature and high-pressure refrigerant gas is taken away by cooling water in the condenser. The high-pressure refrigerant liquid condensed by the condenser enters a liquid receiver, then enters a thermal expansion valve after passing through a drying filter, is throttled and decompressed into low-temperature and low-pressure refrigerant liquid by the thermal expansion valve, then enters an evaporator to absorb the heat of air in an air supply system, and the refrigerant liquid absorbing the heat is evaporated into refrigerant vapor which is sucked by a compressor to carry out the next cycle. The air with absorbed heat is conveyed by the air supply system to enter each room needing cooling. In the heating working condition, the air supply system operates, the steam supply pipeline is opened, and a part of saturated steam from the boiler enters the steam heater and is used for heating air in the air supply system; one part of the air enters a steam-to-steam humidifier, a clean water source is heated through steam from a boiler so as to provide clean steam for humidifying the air in the air supply system, and the heated and humidified air enters each room needing heating under the conveying of the air supply system.
As the utility model discloses preferentially, air supply system includes in proper order and mixes bellows, air cleaner, centrifugal fan, static pressure case, evaporimeter, steam heater and steam change steam humidifier's the end of giving vent to anger all locates between air cleaner and the centrifugal fan. The air supply system is provided with air conveying power by a centrifugal fan, external air firstly passes through the air mixing box and then is filtered by an air filter, and then is cooled by an evaporator or is heated by a steam heater and humidified by a steam-to-steam humidifier according to different working conditions, and finally enters the static pressure box for noise reduction treatment and then is sent into each room.
As the utility model discloses it is preferred, the static pressure incasement is equipped with temperature and humidity sensor to detect the temperature and the relative humidity of air-out, be convenient for come adjusting device's operation according to the humiture of setting for.
As the utility model discloses it is preferred, steam heater and steam change steam humidifier with all be equipped with the motorised valve between the steam gas supply line to switching and aperture in control heating and humidification function.
As the utility model discloses it is preferred, the equal electricity of compressor, centrifugal fan, temperature and humidity sensor and motorised valve is connected to electrical control box to constitute the electrical control system of this device, be convenient for control the operation of whole device.
As the utility model discloses it is preferred, steam heater's play liquid end is equipped with the steam trap to supply the condensate water to discharge, avoid steam to escape simultaneously, ensure energy utilization.
As the utility model discloses it is preferred, the end of giving vent to anger of steam commentaries on classics steam humidifier is equipped with the steam spray tube to ensure the efficiency of humidification.
As the utility model discloses preferably, steam changes steam humidifier includes the water tank, locates water inlet and gas outlet on the water tank, stretches into the intake pipe of water tank, and the clean aquatic in the water tank is led to from the intake pipe to the steam that comes from the boiler to make the impurity in the steam melt into the aquatic, water in the heating tank simultaneously, in order to produce clear vapor, be used for the humidification.
As the utility model discloses it is preferred, be equipped with heating coil in the steam heater to ensure heat exchange efficiency.
As the utility model discloses preferentially, the compressor is the compressor of can transferring the year, and the stepless range of transferring the year is 25% -100% to ensure the control range of refrigeration efficiency.
The utility model has the advantages that:
1. the air is cooled by direct evaporation of a refrigerant in the refrigeration system, a water chilling unit is not required to be additionally arranged, the installation and the use are convenient, and the operation and the management are simple;
2. the existing boiler steam is used as a heat energy source of the humidifier, tap water or purified water is heated to boiling through heat exchange, steam which is free of chemical pollution and pure in quality is generated, and then air is humidified, so that negative effects of health threats, environmental pollution and the like caused by direct adoption of boiler steam humidification on workers are solved, and humidification energy consumption is greatly saved;
3. the electric control system automatically controls the actions of all the electric components so as to automatically adjust the air outlet temperature and the relative humidity and meet the requirements of users on the environment.
Drawings
Fig. 1 is a schematic diagram of a direct evaporation type central air conditioning device of the present invention;
in the figure: the system comprises a 1-air mixing box, a 2-air filter, a 3-evaporator, a 4-steam heater, a 5-steam nozzle, a 6-steam-to-steam humidifier, a 7-humidification electric valve, an 8-heating electric valve, a 9-static pressure box, a 10-temperature and humidity sensor, a 11-centrifugal fan, a 12-electric control system box, a 13-condenser, a 14-liquid reservoir, a 15-drying filter, a 16-compressor, a 17-steam trap and a 18-thermal expansion valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, a direct evaporation type centralized air conditioning device comprises a refrigeration system, a steam heating and humidifying system, an air supply system and an electric control system. Wherein, the refrigerating system is composed of a compressor 16, a condenser 13, a liquid receiver 14, a drying filter 15, a thermostatic expansion valve 18 and an evaporator 3; the high-temperature and high-pressure refrigerant gas discharged from the compressor 16 enters the condenser 13, and the heat of the high-temperature and high-pressure refrigerant gas is taken away by the cooling water in the condenser 13. The high-pressure refrigerant liquid condensed by the condenser 13 enters the liquid receiver 14, then enters the thermal expansion valve 18 after passing through the drying filter 15, is throttled and decompressed into low-temperature and low-pressure refrigerant liquid by the thermal expansion valve 18, and then enters the evaporator 3 in the air supply system to absorb heat in the processed air for evaporation, and the evaporated low-temperature and low-pressure refrigerant vapor is sucked by the compressor 16 for the next cycle.
The steam heating and humidifying system consists of a humidifying electric valve 7, a heating electric valve 8, a steam-to-steam humidifier 6, a steam nozzle 5, a steam heater 4 and a steam trap 17; a part of saturated steam from the boiler enters a steam heater 4 in an air supply system through a heating motor 8, the treated air is heated and condensed into condensed water after being cooled, and the condensed water is discharged after passing through a steam trap 17; the other part enters a steam-to-steam humidifier 6 after passing through a humidifying electric valve 7, tap water or purified water is heated to boil in the steam-to-steam humidifier 6, and generated steam enters a steam spray pipe 5 in an air supply system and is sprayed out of the spray pipe, so that the effect of humidifying the treated air is achieved.
The air supply system consists of an air mixing box 1, an air filter 2, a centrifugal fan 11 and a static pressure box 9, and the evaporator 3, the steam heater 4 and the steam spray pipe 5 are all arranged between the air filter 2 and the centrifugal fan 11.
The electric control system consists of a compressor 16, a humidifying electric valve 7, a heating electric valve 8, a centrifugal fan 11 and an electric control box 12.
In conclusion, the working principle of the device is as follows:
in a refrigerating working condition, the centrifugal fan 11 and the compressor 16 operate, external air firstly passes through the air mixing box 1 and then passes through the air filter 2 to filter impurities, and then enters a heat exchange region; meanwhile, the high-temperature and high-pressure refrigerant gas discharged from the compressor 16 enters the condenser 13, and the heat of the high-temperature and high-pressure refrigerant gas is taken away by the cooling water in the condenser 13. The high-pressure refrigerant liquid condensed by the condenser 13 enters the liquid receiver 14, then enters the thermal expansion valve 18 after passing through the drying filter 15, is throttled and decompressed into low-temperature and low-pressure refrigerant liquid by the thermal expansion valve 18, and then enters the evaporator 3 to absorb the heat of the air in the heat exchange area, and the refrigerant liquid absorbing the heat is evaporated into refrigerant vapor to be sucked by the compressor 16 for the next cycle. The air absorbed with heat is subjected to noise reduction treatment through the static pressure box 9 under the power transmission of the centrifugal fan 11, and then enters each room needing refrigeration. In-process, temperature and humidity sensor 10 among static pressure case 9 detects air-out temperature in real time, and electric control system is according to the contrast of actual air-out temperature and set temperature value, the load of automatic control compressor 16: when the actual outlet air temperature is greater than the set temperature plus the set temperature difference, the compressor 16 is loaded, and the cooling load in the evaporator 3 is increased; when the actual outlet air temperature is less than the set temperature-the set temperature difference, the compressor 16 is unloaded, and the cooling load in the evaporator is reduced; the set temperature difference is a preset range value for preventing the device from frequently switching the working state of the compressor, namely, when the actual air outlet temperature is higher than or lower than the set temperature within a certain range, the switching of the working state of the compressor is triggered.
In the heating working condition, the centrifugal fan operates, the heating electric valve and the humidifying electric valve are opened at the same time, part of saturated steam from the boiler enters the steam heater 4 through the heating electric valve 8, the treated air is heated and is condensed into condensed water after being cooled, and the condensed water is discharged after passing through the steam trap 17; the other part enters a steam-to-steam humidifier 6 after passing through a humidifying electric valve 7, tap water or purified water is heated to boil in the steam-to-steam humidifier 6, the generated clean steam enters a steam spray pipe 5 and is sprayed out of the spray pipe, so that the effect of humidifying the air to be treated is achieved, and the heated and humidified air enters each room needing to be heated after being subjected to noise reduction treatment through a static pressure box 9 under the power transmission of a centrifugal fan. In-process, temperature and humidity sensor 10 in static pressure case 9 detects air-out humiture in real time, and electric control system is according to actual air-out humiture and the contrast of setting for the humiture, the aperture of automatic control heating motorised valve 8 and humidification motorised valve 7: when the actual outlet air temperature is larger than the set temperature plus the set temperature difference, the opening of the heating electric valve 8 is reduced, and the heating load in the steam heating coil 4 is reduced; when the actual outlet air temperature is less than the set temperature and the set temperature difference, the opening of the heating electric valve 8 is increased, and the heating load in the steam heating coil 4 is increased; similarly, when the actual outlet air humidity is larger than the set humidity plus the set difference, the opening degree of the humidifying electric valve 7 is reduced, and the humidifying amount in the steam nozzle 5 is reduced; when the actual outlet air humidity is smaller than the set humidity-set difference value, the opening degree of the humidifying electric valve 7 is increased, and the humidifying amount in the steam nozzle 5 is increased. And under the same refrigeration working condition, the set temperature and the set difference are both range values preset for avoiding the frequent switching of the working state of the device.
In conclusion, the device cools the air by utilizing the direct evaporation of the refrigerant in the refrigerating system, does not need to be additionally provided with a water chilling unit, is convenient to install and use, and is simple to operate and manage; the existing boiler steam is used as a heat energy source of the humidifier, tap water or purified water is heated to boiling through heat exchange, steam which is free of chemical pollution and pure in quality is generated, and then air is humidified, so that negative effects of health threats, environmental pollution and the like caused by direct adoption of boiler steam humidification on workers are solved, and humidification energy consumption is greatly saved; the electric control system automatically controls the actions of all the electric components so as to automatically adjust the air outlet temperature and the relative humidity and meet the requirements of users on the environment.
The above description is only the specific embodiment of the preferred embodiment of the present invention, and this specific embodiment is based on the present invention, and the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A direct evaporation type centralized air conditioning device comprises a refrigeration system, a steam heating and humidifying system and an air supply system, and is characterized in that the refrigeration system comprises a compressor, a condenser, a liquid receiver, a drying filter, a thermal expansion valve and an evaporator which are sequentially connected through pipelines, and the evaporator is arranged in the air supply system; the steam heating and humidifying system comprises a steam supply pipeline, a steam heater and a steam-to-steam humidifier, wherein the steam heater and the steam-to-steam humidifier are respectively connected with the steam supply pipeline, and the air outlet end of the steam heater and the air outlet end of the steam-to-steam humidifier are arranged in the air supply system.
2. The direct evaporative central air conditioning unit according to claim 1, wherein the air supply system comprises a mixing box, an air filter, a centrifugal fan and a plenum box in sequence, and the air outlet ends of the evaporator, the steam heater and the steam-to-steam humidifier are arranged between the air filter and the centrifugal fan.
3. The direct evaporative concentration air conditioning unit of claim 2, wherein a temperature and humidity sensor is provided in the plenum box.
4. The direct evaporative central air conditioning unit of claim 3, wherein electrically operated valves are provided between the steam heater and the steam to steam humidifier and the steam supply conduit.
5. The direct evaporative central air conditioning unit according to claim 4, wherein the compressor, the centrifugal fan, the temperature and humidity sensor and the electric valve are electrically connected to the electric control box.
6. The direct evaporative concentration air conditioning unit of claim 1, wherein the outlet end of the steam heater is provided with a steam trap.
7. The direct evaporative central air conditioning unit of claim 1, wherein the outlet end of the steam-to-steam humidifier is provided with a steam nozzle.
8. The direct evaporative central air conditioning unit of claim 1, wherein the steam-to-steam humidifier comprises a water tank, a water inlet and a gas outlet on the water tank, and a gas inlet tube extending into the water tank.
9. The direct evaporative concentration air conditioning unit of claim 1, wherein the steam heater is provided with a heating coil.
10. The direct evaporative concentration air conditioning unit as claimed in claim 1, wherein the compressor is a variable load compressor with a stepless load range of 25% to 100%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120437679.6U CN214581535U (en) | 2021-03-01 | 2021-03-01 | Direct evaporation type centralized air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120437679.6U CN214581535U (en) | 2021-03-01 | 2021-03-01 | Direct evaporation type centralized air conditioner |
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| Publication Number | Publication Date |
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| CN214581535U true CN214581535U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120437679.6U Active CN214581535U (en) | 2021-03-01 | 2021-03-01 | Direct evaporation type centralized air conditioner |
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| CN (1) | CN214581535U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728683A (en) * | 2021-03-01 | 2021-04-30 | 嘉兴泰豪装备技术有限公司 | Direct evaporation type centralized air conditioner |
| WO2025083556A1 (en) * | 2023-10-17 | 2025-04-24 | Seeley International Pty Ltd | Hybrid heating and cooling system |
-
2021
- 2021-03-01 CN CN202120437679.6U patent/CN214581535U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728683A (en) * | 2021-03-01 | 2021-04-30 | 嘉兴泰豪装备技术有限公司 | Direct evaporation type centralized air conditioner |
| WO2025083556A1 (en) * | 2023-10-17 | 2025-04-24 | Seeley International Pty Ltd | Hybrid heating and cooling system |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240423 Address after: Building 3, No. 1133 Hengshan Second Road, Linkong Economic Zone, Nanchang City, Jiangxi Province, 330032 Patentee after: Jiangxi Taihao Environmental Technology Co.,Ltd. Country or region after: China Address before: Room 9fa09-01, No.705, Asia Pacific Road, Nanhu District, Jiaxing City, Zhejiang Province, 314001 Patentee before: Jiaxing Taihao Equipment Technology Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |