CN214701418U - Machine-pump combined-drive enthalpy-increasing type data machine room and air-cooled water chilling unit for industrial cooling - Google Patents
Machine-pump combined-drive enthalpy-increasing type data machine room and air-cooled water chilling unit for industrial cooling Download PDFInfo
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- CN214701418U CN214701418U CN202121071997.1U CN202121071997U CN214701418U CN 214701418 U CN214701418 U CN 214701418U CN 202121071997 U CN202121071997 U CN 202121071997U CN 214701418 U CN214701418 U CN 214701418U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 238000001816 cooling Methods 0.000 title claims abstract description 63
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 32
- 239000011737 fluorine Substances 0.000 claims abstract description 32
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000003507 refrigerant Substances 0.000 claims abstract description 29
- 239000000498 cooling water Substances 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 31
- 238000001035 drying Methods 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 11
- 238000005057 refrigeration Methods 0.000 claims description 9
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000003912 environmental pollution Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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Abstract
The utility model relates to a machine pump allies oneself with drives enthalpy-increasing type data computer lab and industrial cooling and uses air-cooled cold water set, including refrigerant system and cooling water system, through opening of control compressor, fluorine pump, solenoid valve and electronic expansion valve, can realize two kinds of cooling operation modes, can select minimum operation energy consumption cooling mode according to outdoor weather condition, realize that the annual cooling energy consumption is minimum. The utility model takes the air energy with abundant reserves, cleanness and no pollution as the cold source of the system, and the energy configuration is green, environment-friendly and sustainable; the compressor and the pump are used as driving forces, so that the energy consumption of the system operation is reduced; the cooling stability and reliability of the system under the most unfavorable working condition are improved by means of the air supply and enthalpy increasing technology; the system is energy-saving and efficient, low in operation cost and simple and convenient to install and maintain, effectively reduces the energy consumption of the unit and reduces the environmental pollution, and the unit is suitable for computer rooms, data centers, clean rooms and other industrial occasions needing cooling all the year round.
Description
Technical Field
The utility model belongs to the technical field of the refrigeration, especially a machine pump allies oneself with drives enthalpy-increasing type data computer lab and industrial cooling and uses air-cooled cooling water set.
Background
The cooling technology of the air-cooled water chilling unit has the characteristics of simple structure, convenience in installation and maintenance, high efficiency and the like, and is widely applied to data machine rooms, computer machine rooms, clean rooms and other industrial occasions needing cooling all the year round, but the existing water chilling unit cannot fully utilize an outdoor natural air cold source, so that the unit runs all the year round and has high energy consumption.
In order to solve the problems, the patent number is CN201220238185.6, the name is energy-saving air-cooled water chiller, and the publication number is CN202648229U, in the technology, an auxiliary cooling coil is additionally arranged on the chilled water side of the traditional air-cooled water chiller, when the outdoor temperature is low, the air-cooled water chiller is not started, only a chilled water side water pump is operated, and the chilled water is cooled by using the lower outdoor air, so that the purpose of energy conservation is achieved.
However, the above patent has the problems of low operation efficiency, poor cooling stability, poor operation reliability and even machine halt in the high-temperature working condition in summer. In addition, the auxiliary cooling coil for realizing natural cooling is arranged on the water system side, and the integration level and the compactness of the unit are low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to use clean pollution-free air can regard as the cold source of system, rely on tonifying qi type compressor and pump combined drive's heat pump technique, all-weather, energy-conserving high-efficient, reliable and stable for data computer lab and other industrial cold occasions year-round cooling.
The technical scheme of the utility model:
a machine-pump combined drive enthalpy-increasing type data machine room and an air-cooled water chilling unit for industrial cooling comprise a refrigerant system and a cold water supply system.
The refrigerant system comprises a compressor-driven enthalpy-increasing type air-cooled cold water system and a pump-driven air-cooled cold water system;
the compressor-driven enthalpy-increasing type air-cooled cold water system mainly comprises an air-replenishing type compressor 1, an oil separator 2, a finned heat exchanger 3, a drying filter 4, a liquid storage device 5, a fluorine pump 6, a gas-liquid separation/heat regenerator 7, a first electronic expansion valve 8, an intercooler 9, a second electronic expansion valve 10, a cold-supplying heat exchanger 11, a second electromagnetic valve 13 and a second one-way valve 15; the exhaust pipe of the air supply type compressor 1 is sequentially connected with an oil separator 2, a one-way valve II 15, a finned heat exchanger 3, a drying filter 4, a liquid reservoir 5, a fluorine pump 6 and an air-liquid separation/heat regenerator 7, and is divided into two paths by the air-liquid separation/heat regenerator 7, wherein one path is sequentially connected with an electronic expansion valve I8, an intercooler 9 and an air supply port of the air supply type compressor 1, and the other path is sequentially connected with the intercooler 9, an electronic expansion valve II 10, a cooling heat exchanger 11, the air-liquid separation/heat regenerator 7, a solenoid valve II 13 and an air suction port of the air supply type compressor 1;
the pump-driven air-cooled cold water system mainly comprises a fluorine pump 6, a cooling heat exchanger 11, a finned heat exchanger 3, a drying filter 4, a liquid storage device 5, a first electromagnetic valve 12 and a first one-way valve 14; the outlet of the fluorine pump 6 is sequentially connected with a first electromagnetic valve 12, a cooling heat exchanger 11, a first one-way valve 14, a finned heat exchanger 3, a drying filter 4, a liquid storage device 5 and the inlet of the fluorine pump 6.
The operation modes of the refrigerant system specifically include the following two modes:
in the first mode, the air supply type compressor 1 and the fluorine pump 6 are driven jointly, the cooling heat exchanger 11 serves as an evaporator, the finned heat exchanger 3 serves as a condenser, and the air supply type compressor 1, the fluorine pump 6, the first electronic expansion valve 8, the second electronic expansion valve 10 and the second electromagnetic valve 13 are opened;
and in the second mode, the fluorine pump 6 is driven, the cooling heat exchanger 11 is used as an evaporator, the finned heat exchanger 3 is used as a condenser, and the fluorine pump 6 and the electromagnetic valve I12 are opened.
The air-supply type compressor 1 is used for compressing low-temperature low-pressure refrigerant gas into high-temperature high-pressure gas, in addition, the heating efficiency, stability and reliability of the system are improved through an air-supply enthalpy-increasing technology, and the types of the air-supply type compressor 1 comprise a rotor type, a vortex type and the like;
the cooling heat exchanger 11 is used for preparing cold water, and the types of the cooling heat exchanger 11 include a plate-type heat exchanger, a sleeve-type heat exchanger and a shell-and-tube type heat exchanger;
the finned heat exchanger 3 is used for releasing heat to an outdoor environment in a convection heat exchange mode;
the electronic expansion valve can be replaced by a thermal expansion valve.
The cold water supply system mainly comprises a water pump, a cold water supply heat exchanger 11 and an electric valve; the water pump 16, the cooling heat exchanger 11 and the electric valve 17 are connected through water pipelines;
in the operation mode of the cold water supply system, when the system supplies cold, the water pump 16 and the electric valve 17 are opened.
By controlling the start and stop of the air supply type compressor 1, the fluorine pump 6, the electronic expansion valve and the electromagnetic valve in the refrigerant system and the water pump 16 and the electric valve 17 in the cold water supply system, the system can realize the following two operation modes:
in the first mode, in the refrigeration mode of the machine-pump combined drive enthalpy-increasing data machine room and the industrial cooling air-cooled water chilling unit, the air-supplementing compressor 1, the fluorine pump 6, the electronic expansion valve I8, the electronic expansion valve II 10, the electromagnetic valve II 13, the water pump 16 and the electric valve 17 are opened;
and in a second mode, in a refrigeration mode of the pump driving type data machine room and the industrial cooling air-cooled water chilling unit, the fluorine pump 6, the electromagnetic valve I12, the water pump 16 and the electric valve 17 are opened.
The utility model has the advantages that:
the utility model uses clean and pollution-free air energy as the cold source of the system, which is green and environment-friendly;
the utility model applies the air-supplying enthalpy-increasing technology to the air source heat pump system, improves the stability of the system in the most unfavorable working condition, and ensures the energy supply capacity of the system in the most unfavorable working condition;
the utility model applies the ultra-low energy consumption pump driving air source system to the air source heat pump system, reduces the condensing pressure of the heat pump system, improves the system energy efficiency and the stability of operation, and has high efficiency, energy saving and low operation cost;
when the outdoor temperature is low, the ultra-low energy consumption pump is utilized to drive the air source system to supply cold, so that natural cooling is realized, and the energy-saving effect is obvious;
the utility model discloses can be for data computer lab and other industrial cold occasions year-round cooling, equipment structure is simple, and the installation is maintained conveniently.
Drawings
Fig. 1 is a schematic diagram of the machine-pump combined drive enthalpy-increasing data machine room and the air-cooled water chiller unit for industrial cooling of the utility model;
fig. 2 is a schematic diagram of the refrigeration mode of the machine-pump combined drive enthalpy-increasing data machine room and the air-cooled water chiller unit for industrial cooling of the utility model;
fig. 3 is the utility model discloses pump drive type data computer lab and industrial cooling are with air-cooled cooling water set refrigeration mode schematic diagram.
In the figure: 1-air supply type compressor, 2-oil separator, 3-finned heat exchanger, 4-drying filter, 5-liquid storage device, 6-fluorine pump, 7-gas-liquid separation/heat regenerator, 8-electronic expansion valve I, 9-intercooler, 10-electronic expansion valve II, 11-cooling heat exchanger, 12-solenoid valve I, 13-solenoid valve II, 14-one-way valve I, 15-one-way valve II, 16-water pump and 17-electric valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the embodiment, as shown in fig. 1, the machine-pump-driven enthalpy-increasing data machine room and the industrial cooling air-cooled chiller unit comprise a refrigerant system and a cooling water supply system;
the refrigerant system is mainly composed of a gas supplementing type compressor 1, an oil separator 2, a finned heat exchanger 3, a drying filter 4, a liquid storage device 5, a fluorine pump 6, a gas-liquid separation/heat regenerator 7, a first electronic expansion valve 8, an intercooler 9, a second electronic expansion valve 10, a cooling heat exchanger 11, a first electromagnetic valve 12, a second electromagnetic valve 13, a first one-way valve 14 and a second one-way valve 15 which are connected through refrigerant pipelines;
the cold water supply system is formed by connecting a water pump 16, a cold water supply heat exchanger 11 and an electric valve through a water pipeline;
in this embodiment, cold water supply in two operation modes can be realized by controlling the start and stop of the air supply type compressor 1, the first electronic expansion valve 8, the second electronic expansion valve 10, the first electromagnetic valve 12, the second electromagnetic valve 13, the water pump 16 and the electric valve 17.
(1) In a refrigeration mode of the machine-pump combined drive enthalpy-increasing data machine room and the industrial cooling air-cooled water chilling unit, the air-supplementing compressor 1, the fluorine pump 6, the electronic expansion valve I8, the electronic expansion valve II 10, the electromagnetic valve II 13, the water pump 16 and the electric valve 17 are opened. At this time, as shown in fig. 2, the operation principle is as follows: the low-temperature low-pressure gaseous refrigerant is compressed into high-temperature high-pressure gaseous refrigerant by the air-supplementing compressor 1, enters the fin type heat exchanger 3 through the oil separator 2 and the check valve II 15 to release heat into air, and then the high-temperature high-pressure gaseous refrigerant is condensed into medium-temperature high-pressure liquid refrigerant, and then enters the fluorine pump 6 through the drying filter 4 and the liquid reservoir 5 in sequence to be pressurized, so that the mass flow is increased, and then the refrigerant is divided into two paths through the gas-liquid separator/heat regenerator 7: one path of the refrigerant is throttled by an electronic expansion valve 8 into a low, medium and pressure gas-liquid two-phase refrigerant, wherein the liquid refrigerant absorbs heat by an intercooler 9 and is evaporated into a gas state, and the pure gas refrigerant enters an air supplement port of an air supplement type compressor 1; the other path of refrigerant is cooled by an intercooler 9, enters an electronic expansion valve II 10 to be throttled into low-temperature and low-pressure gas-liquid two-phase refrigerant, then enters a cooling heat exchanger 11 to absorb heat and evaporate into gaseous refrigerant, and finally enters an air suction port of the air-supplementing type compressor 1 through a gas-liquid separation/heat regenerator 7 and a solenoid valve II 13. The cooling chilled water enters the cooling heat exchanger 11 to release heat under the driving of the water pump 16, and the cooling chilled water is continuously cooled by circulation.
(2) In a pump driving type data machine room and a refrigeration mode of an air-cooled water chilling unit for industrial cooling, the fluorine pump 6, the first electromagnetic valve 12, the water pump 16 and the electric valve 17 are opened. At this time, as shown in fig. 3, the operation principle is as follows: the liquid refrigerant in the liquid storage device 5 is pressurized by the fluorine pump 6, enters the cooling heat exchanger 11 through the first electromagnetic valve 12 to absorb heat and evaporate into a gaseous refrigerant, then sequentially enters the fin type heat exchanger 3 through the first check valve 14 to release heat into air, and the gaseous refrigerant is further condensed into the liquid refrigerant, and then sequentially enters the inlet of the fluorine pump 6 through the drying filter 4 and the liquid storage device 5. The cooling chilled water enters the cooling heat exchanger 11 to release heat under the driving of the water pump 16, and the cooling chilled water is continuously cooled by circulation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a machine pump allies oneself with drives enthalpy-increasing type data computer lab and industrial cooling and uses forced air cooling water set which characterized in that: the machine-pump combined drive enthalpy-increasing data machine room and the industrial cooling air-cooled water chilling unit comprise a refrigerant system and a cold water supply system;
the refrigerant system comprises a compressor-driven enthalpy-increasing type air-cooled cold water system and a pump-driven air-cooled cold water system;
the compressor-driven enthalpy-increasing type air-cooled cold water system mainly comprises an air-replenishing type compressor (1), an oil separator (2), a finned heat exchanger (3), a drying filter (4), a liquid storage device (5), a fluorine pump (6), a gas-liquid separation/heat regenerator (7), a first electronic expansion valve (8), an intercooler (9), a second electronic expansion valve (10), a cold-supplying heat exchanger (11), a second electromagnetic valve (13) and a second one-way valve (15); an exhaust pipe of the air supply type compressor (1) is sequentially connected with an oil separator (2), a check valve II (15), a finned heat exchanger (3), a drying filter (4), a liquid storage device (5), a fluorine pump (6) and an air-liquid separation/heat regenerator (7), and is divided into two paths through the air-liquid separation/heat regenerator (7), wherein one path is sequentially connected with an electronic expansion valve I (8), an intercooler (9) and an air supply port of the air supply type compressor (1), and the other path is sequentially connected with the intercooler (9), an electronic expansion valve II (10), a cooling heat exchanger (11), the air-liquid separation/heat regenerator (7), a solenoid valve II (13) and an air suction port of the air supply type compressor (1);
the pump-driven air-cooled cold water system mainly comprises a fluorine pump (6), a cooling heat exchanger (11), a fin type heat exchanger (3), a drying filter (4), a liquid storage device (5), a first electromagnetic valve (12) and a first one-way valve (14); the outlet of the fluorine pump (6) is sequentially connected with a first electromagnetic valve (12), a cooling heat exchanger (11), a first one-way valve (14), a finned heat exchanger (3), a drying filter (4), a liquid reservoir (5) and the inlet of the fluorine pump (6);
the cold water supply system is mainly formed by connecting a water pump (16), a cold heat supply exchanger (11) and an electric valve (17) through water pipelines.
2. The machine-pump combined drive enthalpy-increasing type data machine room and the air-cooled water chilling unit for industrial cooling according to claim 1, characterized in that: the operation modes of the refrigerant system specifically include the following two modes:
in the first mode, the air supply type compressor (1) and the fluorine pump (6) are jointly driven, the cooling heat exchanger (11) serves as an evaporator, the finned heat exchanger (3) serves as a condenser, and the air supply type compressor (1), the fluorine pump (6), the electronic expansion valve I (8), the electronic expansion valve II (10) and the electromagnetic valve II (13) are opened;
and in the second mode, the fluorine pump (6) drives, the cooling heat exchanger is used as an evaporator (11), the finned heat exchanger (3) is used as a condenser, and the fluorine pump (6) and the electromagnetic valve I (12) are opened.
3. The machine-pump combined drive enthalpy-increasing type data machine room and the air-cooled water chilling unit for industrial cooling according to claim 1, characterized in that: the operation mode of the cold water supply system is that when the system supplies cold water, the water pump (16) and the electric valve (17) are opened.
4. The machine-pump combined drive enthalpy-increasing type data machine room and industrial cooling air-cooled water chilling unit according to claim 1, 2 or 3, characterized in that: by controlling the start and stop of the air supply type compressor (1), the fluorine pump (6), the electronic expansion valve and the electromagnetic valve in the refrigerant system and the water pump (16) and the electric valve (17) in the cold water supply system, the system can realize the following two operation modes:
in the first mode, in the refrigeration mode of the machine-pump combined drive enthalpy-increasing data machine room and the industrial cooling air-cooled water chilling unit, the air-supplementing compressor (1), the fluorine pump (6), the electronic expansion valve I (8), the electronic expansion valve II (10), the electromagnetic valve II (13), the water pump (16) and the electric valve (17) are opened;
and in a second mode, in a refrigeration mode of the pump driving type data machine room and the air-cooled water chilling unit for industrial cooling, the fluorine pump (6), the electromagnetic valve I (12), the water pump (16) and the electric valve (17) are opened.
5. The machine-pump combined drive enthalpy-increasing type data machine room and industrial cooling air-cooled water chilling unit according to claim 1, 2 or 3, characterized in that: the types of the gas-supplementing type compressor (1) include a rotor type and a scroll type.
6. The machine-pump combined drive enthalpy-increasing type data machine room and industrial cooling air-cooled water chilling unit according to claim 1, 2 or 3, characterized in that: the cooling heat exchanger (11) is used for preparing cold water, and the types of the cooling heat exchanger (11) comprise a plate-type heat exchanger, a sleeve-type heat exchanger and a shell-and-tube type heat exchanger.
7. The machine-pump combined drive enthalpy-increasing type data machine room and industrial cooling air-cooled water chilling unit according to claim 1, 2 or 3, characterized in that: the finned heat exchanger (3) is used for releasing heat to an outdoor environment in a convection heat exchange mode.
8. The machine-pump combined drive enthalpy-increasing type data machine room and industrial cooling air-cooled water chilling unit according to claim 1, 2 or 3, characterized in that: the electronic expansion valve is replaced by a thermal expansion valve.
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CN115540373A (en) * | 2022-09-21 | 2022-12-30 | 广州特域机电有限公司 | Energy-saving industrial water chiller |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN115540373A (en) * | 2022-09-21 | 2022-12-30 | 广州特域机电有限公司 | Energy-saving industrial water chiller |
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