CN219510925U - High heat density building medium temperature water supply and dehumidification system - Google Patents
High heat density building medium temperature water supply and dehumidification system Download PDFInfo
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- CN219510925U CN219510925U CN202223483530.5U CN202223483530U CN219510925U CN 219510925 U CN219510925 U CN 219510925U CN 202223483530 U CN202223483530 U CN 202223483530U CN 219510925 U CN219510925 U CN 219510925U
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Abstract
The utility model provides a medium-temperature water supply and dehumidification system for a high-heat-density building, which comprises a chilled water system, a compressor refrigeration dehumidification system and a control system, wherein the compressor refrigeration dehumidification system is connected with the chilled water system; and part of water supply of the chilled water system is refrigerated by the compressor refrigeration dehumidification system and enters the surface cooler, a dehumidification fan is arranged on one side of the surface cooler, indoor dehumidification is achieved, return water of the chilled water system is cooled by the condenser of the compressor refrigeration dehumidification system, and the cooled return water returns to the chilled water system to form circulation. The scheme is convenient for the medium-temperature water supply and dehumidification system in the high-heat-density environment to completely realize intelligent control, and the refrigerating capacity of the chilled water in the machine room is utilized when dehumidification is required; only a smaller compressor refrigeration system is needed to dehumidify the system; the cooling of all chilled water systems is not needed, so that the energy consumption is saved; the condensation heat is treated by adopting cold water backwater, so that the efficiency is improved, the energy is saved, and the area of a machine room is saved; thereby saving energy under the condition of guaranteeing humidity.
Description
Technical Field
The utility model relates to the field of heating ventilation and air conditioning, in particular to a medium-temperature water supply and dehumidification system for a high-heat-density building.
Background
The air conditioning requirement of the subway station equipment room is a technical air conditioner, and the subway station equipment room needs 24 hours to run. There is also a demand for air conditioning in public areas at the station. But the air conditioner of the public area belongs to a comfort air conditioner and is limited to be turned on during daytime operation. There are two specific requirements that are inconsistent with run time. If the two areas adopt the same air conditioning system, the conditions of waste of dehumidification load of the equipment room part, big maraca, etc. can appear at night, and the energy conservation is extremely not reasonable. If the multi-split air conditioner is adopted, the problems that natural cold sources are not utilized, initial investment is high and the like exist.
The heat load of the equipment room is characterized by high sensible heat ratio, and the temperature, humidity and other requirements of various rooms are inconsistent. The common standard station weak current house comprises a business communication room, a communication equipment room, a signal power supply room and the like; the system is a primary air return system, and an air conditioning system is a direct expansion type cold air cooling system, so that the system has a plurality of control links, the system efficiency is reduced, and the like. At present, the traditional air conditioning system has high sensible heat ratio, causes energy waste, has precision, response delay and the like because the return air temperature is influenced by the installation position and the like, and causes that the system cannot meet the use requirement, and the dehumidification effect is not ideal and has high energy consumption. Therefore, it is necessary to introduce a medium-temperature water supply technology applied to the same type of high-heat-density occasion, and an integrated refrigeration station is adopted to perform refrigeration and dehumidification by combining the medium-temperature water supply technology and a mechanical refrigeration air conditioner.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide the medium-temperature water supply and dehumidification system for the high-heat-density building, which is convenient for the medium-temperature water supply and dehumidification system in the high-heat-density environment to realize intelligent control completely, improves the dehumidification effect, reduces the energy waste, ensures the full utilization of energy, saves the energy consumption and occupies a small area.
The technical scheme of the utility model is as follows: a medium-temperature water supply and dehumidification system of a high-heat-density building comprises a chilled water system, a compressor refrigeration dehumidification system and a control system; and part of water supply of the chilled water system is refrigerated by the compressor refrigeration dehumidification system and enters the surface cooler, a dehumidification fan is arranged on one side of the surface cooler, indoor dehumidification is achieved, return water of the chilled water system is cooled by the condenser of the compressor refrigeration dehumidification system, and the cooled return water returns to the chilled water system to form circulation.
Further, compressor refrigeration dehumidification system includes compressor, condenser, throttling arrangement, evaporimeter and water tray, and condenser and evaporimeter are connected respectively through the pipeline at the both ends of compressor, and the lower extreme of evaporimeter is equipped with the water tray, is equipped with expansion device between condenser and the evaporimeter, is equipped with throttling arrangement on the pipeline.
Further, the evaporator is a plate type or shell and tube type heat exchanger, and the condenser is a plate type or shell and tube type heat exchanger.
Further, the expansion device is an expansion valve or a capillary tube.
Further, the control system comprises a humidity probe detection and a controller, signals detected by the humidity probe are fed back to the controller, and the controller controls the chilled water system and the compressor refrigeration dehumidification system to be started and stopped.
Further, the chilled water system further comprises a cold water supply device, a water supply system and a water return system, wherein the water supply system is connected with the water outlet end of the cold water supply device through a pipeline, and the water return system is connected with the water inlet end of the cold water supply device through a pipeline.
Further, the cold water supply device is an integrated refrigerating station or a tap water supply device.
Further, an electromagnetic valve is arranged on the water supply system; the water return system is provided with a water supply pump and a valve.
Further, the backwater system and the condenser adopt a concurrent or countercurrent mode.
Further, the fan is an EC fan, and the EC fan is a centrifugal fan or an axial flow fan.
The principle of the utility model is as follows: when the humidity probe detects that the humidity is higher than a set value S1, the control system controls the electromagnetic valve, the water supply pump and the valve to be opened, then the compressor refrigeration dehumidification system is opened, part of chilled water provided by the chilled water system is cooled and enters the surface cooler, the fan is opened, and indoor dehumidification is performed, so that the humidity requirement of the data center is ensured; meanwhile, the backwater of the chilled water system enters a condenser of a compressor refrigeration dehumidification system, and enters the chilled water system backwater after being condensed, and then enters a cold water supply device to complete a cycle.
The utility model has the following characteristics: the intelligent control of the medium-temperature water supply and dehumidification system in the high-heat-density environment is realized completely, and the refrigerating capacity of the chilled water in the machine room is utilized when dehumidification is required; only a smaller compressor refrigeration system is needed to dehumidify the system; the cooling of all chilled water systems is not needed, so that the energy consumption is saved; the condensation heat is treated by adopting cold water backwater, compared with the traditional air-cooled direct expansion mode, the efficiency is greatly improved, the energy is saved, and the method is suitable for popularization and application; the system reduces energy consumption, and the compressor refrigeration dehumidification system, the surface cooler and the chilled water system are arranged in one machine body, so that the area of a machine room is saved; thereby saving energy under the condition of guaranteeing humidity.
The detailed structure of the present utility model is further described below with reference to the accompanying drawings and detailed description.
Drawings
FIG. 1-is a schematic diagram of a medium temperature water supply and dehumidification system for a high heat density building;
1-integrated refrigerating station, 2-solenoid valve, 3-compressor, 4-condenser, 5-expansion device, 6-evaporator, 7 controller, 8-water tray, 9-water supply pump, 10-valve.
Detailed Description
As shown in the accompanying drawings: a medium-temperature water supply and dehumidification system of a high-heat-density building comprises a chilled water system, a compressor 3 refrigerating and dehumidification system and a control system; part of water supply of the chilled water system is refrigerated through a compressor 3 refrigeration dehumidification system and enters a surface cooler, a dehumidification fan is arranged on one side of the surface cooler, indoor dehumidification is achieved, backwater of the chilled water system is cooled through a condenser 4 of the compressor 3 refrigeration dehumidification system, and the backwater returns to the chilled water system to form circulation after being cooled. Preferably, the chilled water system further comprises a cold water supply device, a water supply system and a water return system, wherein the water supply system is connected with the water outlet end of the cold water supply device through a pipeline, and the water return system is connected with the water inlet end of the cold water supply device through a pipeline. Preferably, the cold water supply device is an integrated refrigerating station 1 or a tap water supply device, and in this embodiment the cold water supply device is an integrated refrigerating station 1. More preferably, the water supply system is provided with an electromagnetic valve 2; the water return system is provided with a water supply pump 9 and a valve 10; the backwater system and the condenser 4 adopt a concurrent or countercurrent mode.
In the embodiment, the fan is an EC fan, and the EC fan is a centrifugal fan or an axial flow fan, and the fan is a centrifugal fan in the embodiment, so that the circulating effect and the dehumidifying effect of indoor air flow of the data center are improved conveniently.
In the embodiment, the refrigerating and dehumidifying system of the compressor 3 comprises the compressor 3, the condenser 4, the throttling device, the evaporator 6 and the water tray 8, wherein two ends of the compressor 3 are respectively connected with the condenser 4 and the evaporator 6 through pipelines, the water tray 8 is arranged at the lower end of the evaporator 6, the setting of the water tray 8 is convenient for reducing the water condensation and the water trouble formed by aggregation, the influence or the electric leakage is caused to equipment, and the use safety and the service life of the equipment are improved; an expansion device 5 is arranged between the condenser 4 and the evaporator 6, and a throttling device is arranged on the pipeline. Preferably, the evaporator 6 is a plate or shell and tube heat exchanger, and the condenser 4 is a plate or shell and tube heat exchanger; the expansion device 5 is an expansion valve or a capillary tube, so that the heat exchange efficiency is improved.
In the embodiment, the control system comprises a humidity probe detection and controller 7, the signal detected by the humidity probe is fed back to the controller 7, and the controller 7 controls the on-off of the chilled water system and the refrigerating and dehumidifying system of the compressor 3; when the humidity probe detects that the indoor humidity of the data center is higher than a set value S1 in the use process, the control system controls the electromagnetic valve 2, the water supply pump 9 and the valve 10 to be opened, then the refrigerating and dehumidifying system of the compressor 3 is opened, part of chilled water provided by the chilled water system is cooled and enters the surface cooler, and the fan is opened to dehumidify the indoor space, so that the humidity requirement of the data center is ensured; meanwhile, the backwater of the chilled water system enters a condenser 4 of a refrigerating and dehumidifying system of a compressor 3, and enters the chilled water system backwater after being condensed, and then enters a cold water supply device to complete a cycle; when the humidity probe detects that the indoor humidity of the data center is lower than S1 and higher than S2, the electromagnetic valve 2, the water supply pump 9, the valve 10 and the refrigerating and dehumidifying system of the compressor 3 are closed.
The utility model is convenient for the medium-temperature water supply and dehumidification system in the high heat density environment to realize intelligent control completely, and the refrigerating capacity of the chilled water in the machine room is utilized when dehumidification is required; only a smaller-sized compressor 3 refrigerating system is needed to dehumidify the system; the cooling of all chilled water systems is not needed, so that the energy consumption is saved; the condensation heat is treated by adopting cold water backwater, compared with the traditional air-cooled direct expansion mode, the efficiency is greatly improved, the energy is saved, and the method is suitable for popularization and application; the system reduces energy consumption, and the compressor 3 refrigeration dehumidification system, the surface cooler and the chilled water system are arranged in the same machine body, so that the area of a machine room is saved; thereby saving energy under the condition of guaranteeing humidity.
The foregoing is a description of the preferred embodiments of the present utility model and the technical principles applied thereto, and it will be apparent to those skilled in the art that any modifications, equivalent changes, simple substitutions and the like based on the technical scheme of the present utility model can be made without departing from the spirit and scope of the present utility model.
Claims (8)
1. A medium-temperature water supply and dehumidification system of a high-heat-density building comprises a chilled water system, a compressor refrigeration dehumidification system and a control system; the method is characterized in that: part of water supply of the chilled water system is refrigerated by a compressor refrigeration dehumidification system and enters a surface cooler, a dehumidification fan is arranged on one side of the surface cooler, indoor dehumidification is achieved, return water of the chilled water system is cooled by a condenser of the compressor refrigeration dehumidification system, and the cooled return water returns to the chilled water system to form circulation; the control system comprises a humidity probe and a controller, signals detected by the humidity probe are fed back to the controller, and the controller controls the chilled water system and the compressor refrigeration dehumidification system to be started and stopped; the chilled water system further comprises a cold water supply device, a water supply system and a water return system, wherein the water supply system is connected with the water outlet end of the cold water supply device through a pipeline, and the water return system is connected with the water inlet end of the cold water supply device through a pipeline.
2. The high heat density building medium temperature water supply and dehumidification system of claim 1, wherein: the compressor refrigeration dehumidification system comprises a compressor, a condenser, a throttling device, an evaporator and a water tray, wherein two ends of the compressor are respectively connected with the condenser and the evaporator through pipelines, the water tray is arranged at the lower end of the evaporator, an expansion device is arranged between the condenser and the evaporator, and the throttling device is arranged on the pipeline.
3. The high heat density building medium temperature water supply and dehumidification system of claim 2, wherein: the evaporator is a plate type or shell-and-tube type heat exchanger, and the condenser is a plate type or shell-and-tube type heat exchanger.
4. The high heat density building medium temperature water supply and dehumidification system of claim 2, wherein: the expansion device is an expansion valve or a capillary tube.
5. The high heat density building medium temperature water supply and dehumidification system of claim 1, wherein: the cold water supply device is an integrated refrigerating station or a tap water supply device.
6. The high heat density building medium temperature water supply and dehumidification system of claim 1, wherein: the water supply system is provided with an electromagnetic valve; the water return system is provided with a water supply pump and a valve.
7. The high heat density building medium temperature water supply and dehumidification system of claim 6, wherein: the backwater system and the condenser adopt a concurrent or countercurrent mode.
8. The high heat density building medium temperature water supply and dehumidification system as set forth in any one of claims 1-7 wherein: the fan is an EC fan, and the EC fan is a centrifugal fan or an axial flow fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223483530.5U CN219510925U (en) | 2022-12-27 | 2022-12-27 | High heat density building medium temperature water supply and dehumidification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223483530.5U CN219510925U (en) | 2022-12-27 | 2022-12-27 | High heat density building medium temperature water supply and dehumidification system |
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| Publication Number | Publication Date |
|---|---|
| CN219510925U true CN219510925U (en) | 2023-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202223483530.5U Active CN219510925U (en) | 2022-12-27 | 2022-12-27 | High heat density building medium temperature water supply and dehumidification system |
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| Country | Link |
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| CN (1) | CN219510925U (en) |
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2022
- 2022-12-27 CN CN202223483530.5U patent/CN219510925U/en active Active
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