CN116025972A - Integrated water loop multifunctional heat balancer - Google Patents
Integrated water loop multifunctional heat balancer Download PDFInfo
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- CN116025972A CN116025972A CN202211600475.5A CN202211600475A CN116025972A CN 116025972 A CN116025972 A CN 116025972A CN 202211600475 A CN202211600475 A CN 202211600475A CN 116025972 A CN116025972 A CN 116025972A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 212
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 230000001105 regulatory effect Effects 0.000 claims abstract description 12
- 230000003068 static effect Effects 0.000 claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 6
- 239000003507 refrigerant Substances 0.000 claims description 42
- 238000012856 packing Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 10
- 238000001816 cooling Methods 0.000 description 12
- 238000004378 air conditioning Methods 0.000 description 4
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The invention relates to an integrated water loop multifunctional heat balancer which is connected with a water loop water inlet pipe and a water loop water outlet pipe; the device comprises an air heat exchange unit, a compressor, a four-way valve, a gas-liquid separator, a refrigerant-water heat exchanger, a high-pressure liquid reservoir, an expansion valve, a one-way valve, an electric two-way valve, a static hydraulic balance valve 10 and an electric three-way regulating valve; each pipeline, the valve, the heat exchange mechanism and the like are orderly connected. The invention has the advantages that the invention is highly integrated, is suitable for the heat balancer of the water loop of a water source VRF system or other water loops with process temperature requirements, and directly bears all the cold and heat balance requirements of the water loop.
Description
Technical Field
The invention relates to the field of air conditioning equipment, in particular to an integrated water loop multifunctional heat balancer.
Background
The method is a key work of China when green building is pushed and energy conservation and emission reduction are realized, and is a key object for a large number of heating, ventilation and air conditioning design engineers.
CN205079368U discloses a cold and heat source system of a water source VRF air conditioner, which focuses on the construction of the cold and heat source system of the water source VRF air conditioner, but its air conditioning water loop system is constructed by using general equipment and valves, which lacks systematic integration, and has the disadvantages of complex arrangement of various equipment, multiple operation switches, high energy consumption, etc. Such as: (1) in order to solve the problem of matching between the water flow of the water source VRF air conditioner outdoor unit and the water flow of the air-cooled heat pump during heat supply, a water-water heat exchanger is adopted for heat exchange, and an air-cooled heat pump side circulating water pump is arranged; (2) the closed cooling tower, the air-cooled heat pump, the water-water heat exchanger and the circulating water pump at the side of the air-cooled heat pump are difficult to arrange on a crowded roof; (3) the closed cooling tower can only be used for cooling the water loop in summer and heating the water loop in winter, and the air cooling heat pump is idle in summer when the cooling capacity of the cooling tower is limited in extreme weather in summer.
Disclosure of Invention
The invention provides an integrated water loop multifunctional heat balancer, and provides a highly integrated heat balancer which is suitable for a water loop of a water source VRF system or other water loops with process temperature requirements and directly bears all cold and heat balance requirements of the water loop.
The technology of the invention is realized as follows: an integrated water loop multifunctional heat balancer, characterized in that: it is connected with a water loop water inlet pipe and a water loop water outlet pipe; the air heat exchange device comprises an air heat exchange unit 1, a compressor 2, a four-way valve 3, a gas-liquid separator 4, a refrigerant-water heat exchanger 5, a high-pressure liquid storage device 6, an expansion valve, a one-way valve, an electric two-way valve, a static hydraulic balance valve 10 and an electric three-way regulating valve 11;
wherein: a heat exchange mechanism is arranged in the air heat exchange unit 1, and a first refrigerant tube bundle 1-6 and a first water tube bundle 1-8 for realizing heat exchange are arranged in the air heat exchange unit; the refrigerant-water heat exchanger 5 is provided with a second refrigerant tube bundle 5-1 and a second water tube bundle 5-2;
the outlet of the compressor 2 is connected with a first interface of the four-way valve 3;
the second port of the four-way valve 3 is connected with a second refrigerant tube bundle 5-1 of the refrigerant-water heat exchanger 5 and then is divided into two branch tubes, the first branch tube is connected with a first expansion valve 7-1 and then is converged into the high-pressure liquid storage device 6, and the second branch tube is connected with a second one-way valve 8-2 and then is converged into the high-pressure liquid storage device 6;
the third port of the four-way valve 3 is connected with the refrigerant tube bundle 1-6 and then is divided into two branch tubes, the third branch tube is connected with the second expansion valve 7-2 and then is converged into the high-pressure liquid storage device 6, and the fourth branch tube is connected with the first one-way valve 8-1 and then is converged into the high-pressure liquid storage device 6;
the fourth interface of the four-way valve 3 is connected with the gas-liquid separator 4 and then connected to the inlet of the compressor 2;
the water inlet pipe of the water loop is divided into two branches, a first water inlet branch is connected with a first water pipe bundle 1-8, a first electric two-way valve 9-1 is arranged on the first water inlet branch, and a first water outlet branch is formed after heat exchange;
the second water inlet branch is connected with a second water tube bundle 5-2 of the refrigerant-water heat exchanger 5, and is provided with a second electric two-way valve 9-2 and an electric three-way regulating valve 11, and is a second water outlet branch after heat exchange;
a bypass pipe is arranged at the electric three-way regulating valve 11 and is connected with a water outlet second branch, and a static hydraulic balance valve 10 is arranged on the bypass pipe;
the water outlet first branch and the water outlet second branch are converged and then are connected with the water outlet pipe of the water receiving loop.
Compared with the related art, the integrated water loop multifunctional heat balancer provided by the invention has the following beneficial effects:
the invention has the following advantages:
1 adopts a highly integrated mode, optimizes a cooling system, an air-cooled heat pump unit, a water-water heat exchanger, an air-cooled heat pump side circulating water pump and matched pipeline valve parts of a water source VRF air-conditioning cold and heat source system in the prior CN205079368U patent, and constructs an integrated multifunctional heat balancer. The water loop is only connected with the water loop, so that the heat balance requirement of the water loop with the process temperature requirement can be met.
2, the direct heat exchange mode is adopted, so that the heat exchange efficiency is improved, and equipment and energy consumption required by secondary heat exchange such as a water-water heat exchanger, an air-cooled heat pump side water pump and the like are abandoned.
3 solves the problem of installation space of various devices, so that the device is easier to implement in crowded space.
4, at high temperature in summer, the water loop can be cooled in an auxiliary way through refrigeration circulation.
Drawings
Fig. 1 is a connection diagram of the present invention.
Reference numerals in the drawings: 1 air heat exchange unit, 1-1 shell, 1-2 fan, 1-3 water blocking layer, 1-4 water distributor, 1-5 filler layer, 1-6 first refrigerant tube bundle, 1-7 air inlet channel, 1-8 first water tube bundle, 1-9 water collecting tank, 1-10 water absorbing port, 1-11 water pump, 2 compressor, 3 four-way valve, 4 gas-liquid separator, 5 refrigerant-water heat exchanger, 6 high-pressure reservoir, 7-1 first expansion valve, 7-2 second expansion valve, 8-1 first check valve, 8-2 second check valve, 9-1 first electric two-way valve, 9-2 second electric two-way valve, 10 static hydraulic balance valve, 11 electric three-way regulating valve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
An integrated water loop multifunctional heat balancer is connected with a water loop water inlet pipe and a water loop water outlet pipe; the air heat exchange device comprises an air heat exchange unit 1, a compressor 2, a four-way valve 3, a gas-liquid separator 4, a refrigerant-water heat exchanger 5, a high-pressure liquid storage device 6, an expansion valve, a one-way valve, an electric two-way valve, a static hydraulic balance valve 10 and an electric three-way regulating valve 11;
wherein: a heat exchange mechanism is arranged in the air heat exchange unit 1, and a first refrigerant tube bundle 1-6 and a first water tube bundle 1-8 for realizing heat exchange are arranged in the air heat exchange unit; the refrigerant-water heat exchanger 5 is provided with a second refrigerant tube bundle 5-1 and a second water tube bundle 5-2;
the outlet of the compressor 2 is connected with a first interface of the four-way valve 3;
the second port of the four-way valve 3 is connected with a second refrigerant tube bundle 5-1 of the refrigerant-water heat exchanger 5 and then is divided into two branch tubes, the first branch tube is connected with a first expansion valve 7-1 and then is converged into the high-pressure liquid storage device 6, and the second branch tube is connected with a second one-way valve 8-2 and then is converged into the high-pressure liquid storage device 6;
the third port of the four-way valve 3 is connected with the refrigerant tube bundle 1-6 and then is divided into two branch tubes, the third branch tube is connected with the second expansion valve 7-2 and then is converged into the high-pressure liquid storage device 6, and the fourth branch tube is connected with the first one-way valve 8-1 and then is converged into the high-pressure liquid storage device 6;
the fourth interface of the four-way valve 3 is connected with the gas-liquid separator 4 and then connected to the inlet of the compressor 2;
the water inlet pipe of the water loop is divided into two branches, a first water inlet branch is connected with a first water pipe bundle 1-8, a first electric two-way valve 9-1 is arranged on the first water inlet branch, and the first water outlet branch is used after heat exchange;
the second water inlet branch is connected with a second water tube bundle 5-2 of the refrigerant-water heat exchanger 5, and is provided with a second electric two-way valve 9-2 and an electric three-way regulating valve 11, and is a second water outlet branch after heat exchange;
a bypass pipe is arranged at the electric three-way regulating valve 11 and is connected with a water outlet second branch, and a static hydraulic balance valve 10 is arranged on the bypass pipe;
the water outlet first branch and the water outlet second branch are converged and then are connected with the water outlet pipe of the water receiving loop.
The heat exchange mechanism of the air heat exchange unit 1 comprises a shell 1-1, a fan 1-2, a water blocking layer 1-3, a water distributor 1-4, a packing layer 1-5, a first refrigerant tube bundle 1-6, an air inlet channel 1-7, a first water tube bundle 1-8, a water collecting tank 1-9 and a water absorbing port 1-10 which are arranged in the shell and are sequentially arranged from top to bottom;
wherein, the first refrigerant tube bundle 1-6 is positioned between the filler layer 1-5 and the air inlet channel 1-7;
the first water pipe bundle 1-8 is positioned in the water collecting tank 1-9;
the water suction port 1-10 is connected with a water pump 1-11, and the liquid sucked by the water suction port 1-10 returns to the water distributor 1-4 after being pressurized by the water pump 1-11.
The specific principle is as follows:
the water solution in the water collecting tank 1-9 of the air heat exchange unit 1 is pressurized by the water pump 1-11 from the water suction port 1-10, uniformly sprayed on the packing layer 1-5 through the water distributor 1-4, and returns to the water collecting tank 1-9 after sequentially passing through the outer surface of the refrigerant tube bundle 1-6 and the air inlet channel 1-7 through gravity flow.
When the fan 1-2 operates, air enters from the air inlet channel 1-7, sequentially passes through the outer surface of the first refrigerant tube bundle 1-6, the packing layer 1-5, the outer surface of the water distributor 1-4, the water blocking layer 1-3 and the fan 1-2 and is discharged.
When needing to be described, the following steps are as follows:
only heat exchange exists between the refrigerant in the refrigerant tube bundles 1-6 and the air on the outer surface, and direct contact is avoided;
only heat exchange exists between the refrigerant in the first water tube bundle 1-8 and the water collecting tank 1-9 outside the refrigerant, and no direct contact exists.
Only heat exchange exists between the refrigerant in the second refrigerant tube bundle 5-1 of the refrigerant-water heat exchanger 5 and the aqueous solution in the second water tube bundle 5-2, and no direct contact exists.
The specific usage modes are as follows:
the invention can realize three modes of natural cooling, refrigeration auxiliary cooling and heating, and realize the heat balance of the water loop. The specific using method is as follows:
(1) Natural cooling mode
In general, when heat is dissipated in summer or in a process and the heat dissipation amount is within the allowable range of the air heat exchange unit 1, only the air heat exchange unit 1 and its internal components are put into use at this time. At this time, the first electric two-way valve 9-1 is opened, and the second electric two-way valve 9-2 is closed.
The water loop water inlet first branch is connected to the first water tube bundle 1-8 for heat exchange, then connected to the water outlet first branch, and connected to the water loop water outlet pipe. After the water solution in the water collecting tank 1-9 absorbs the heat exchanged by the first tube bundle 1-8, the water temperature rises to some extent, the water is lifted by the water pump 1-11 through the water suction port 1-10 and then sprayed out by the water distributor 1-4, and the water is uniformly distributed on the packing layer 1-5, subjected to heat mass exchange with air and cooled, and returned to the water collecting tank 1-9. Outdoor air enters the air heat exchange unit 1 from the air inlet channel 1-7, passes through the outer surface of the first refrigerant tube bundle 1-6 and the packing layer 1-5 to perform heat and mass exchange with circulating water, is called hot and humid waste gas, and is discharged after being sucked by the water baffle 1-3 and the fan 1-2.
(2) Refrigeration-assisted cooling mode
Typically occurs in summer or when the process dissipates heat and the heat dissipation capacity is outside the allowable range of the air heat exchange unit 1. At this time, the first electric two-way valve 9-1 is opened, and the second electric two-way valve 9-2 is opened. All components are put into service.
The water loop water inlet branch is connected with the water outlet branch after entering the air heat exchange unit 1, the water inlet branch is connected with the water outlet branch after entering the second tube bundle 5-2, and the water outlet branch is connected with the water loop water outlet pipe after cooling.
The water solution in the water collecting tank 1-9 absorbs heat exchanged by the first tube bundle 1-8, the water temperature rises to some extent, the water is lifted by the water pump 1-11 through the water suction port 1-10, then sprayed out by the water distributor 1-4, evenly distributed on the packing layer 1-5, the refrigerant is cooled and condensed through the outer surface of the first refrigerant tube bundle 1-6, then the temperature rises, and the water is subjected to heat mass exchange with air and is cooled, and then the water returns to the water collecting tank 1-9. Outdoor air enters the air heat exchange unit 1 from the air inlet channel 1-7, passes through the outer surface of the first refrigerant tube bundle 1-6 and the packing layer 1-5 to perform heat and mass exchange with circulating water, is called hot and humid waste gas, and is discharged after being sucked by the water baffle 1-3 and the fan 1-2.
The outlet 2 of the compressor is connected with the refrigerant tube bundle 1-6 through the third interface of the four-way valve 3, enters the high-pressure liquid storage 6 through the first one-way valve 8-1 after condensation, throttles through the first expansion valve 7-1, exchanges heat through the second refrigerant tube bundle 5-1, is connected with the gas-liquid separator 4 through the fourth interface of the four-way valve 3, and is connected to the inlet of the compressor 2. The refrigerating capacity generated in the process is transferred to the second tube bundle 5-2 in the heat exchange process of the second refrigerant tube bundle 5-1.
(3) Heating mode
Typically occurs in winter or when the process absorbs heat. At this time, the first electric two-way valve 9-1 is closed, and the second electric two-way valve 9-2 is opened.
The second branch of water inlet of the water loop is divided into two paths under the regulation of the electric three-way regulating valve 3, one path enters the second tube bundle 5-2, the other path passes through the bypass pipe where the static hydraulic balance valve 10 is located, and after the temperature is raised, the second branch of water outlet is summarized and connected into the water outlet pipe of the water loop.
The compressor outlet 2 is connected with a second interface of the four-way valve 3, exchanges heat through a second refrigerant tube bundle 5-1, enters the high-pressure liquid storage 6 through a second one-way valve 8-2, throttles through a second expansion valve 7-2, exchanges heat with air through the first refrigerant tube bundle 1-6, is connected with the gas-liquid separator 4 through a fourth interface of the four-way valve 3, and is connected to the inlet of the compressor 2. The heat generated in this process is transferred to the second tube bundle 5-2 during the heat exchange process of the second refrigerant tube bundle 5-1.
Outdoor air enters the air heat exchange unit 1 from the air inlet channel 1-7, exchanges heat through the outer surface of the first refrigerant tube bundle 1-6 and is called low-temperature waste gas, and is sucked through the packing layer 1-5, the water baffle 1-3 and the fan 1-2 and then discharged.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. An integrated water loop multifunctional heat balancer, characterized in that: it is connected with a water loop water inlet pipe and a water loop water outlet pipe; the air heat exchange device comprises an air heat exchange unit (1), a compressor (2), a four-way valve (3), a gas-liquid separator (4), a refrigerant-water heat exchanger (5), a high-pressure liquid reservoir (6), an expansion valve, a one-way valve, an electric two-way valve, a static hydraulic balance valve (10) and an electric three-way regulating valve (11);
wherein: a heat exchange mechanism, a first refrigerant tube bundle (1-6) for realizing heat exchange and a first water tube bundle (1-8) are arranged in the air heat exchange unit (1); the refrigerant-water heat exchanger (5) is provided with a second refrigerant tube bundle (5-1) and a second water tube bundle (5-2);
the outlet of the compressor (2) is connected with a first interface of the four-way valve (3);
the second interface of the four-way valve (3) is connected with a second refrigerant tube bundle (5-1) of the refrigerant-water heat exchanger (5) and then is divided into two branch tubes, the first branch tube is connected with a first expansion valve (7-1) in a pipe joint mode and then is converged into a high-pressure liquid storage device (6), and the second branch tube is connected with a second one-way valve (8-2) in a pipe joint mode and then is converged into the high-pressure liquid storage device (6);
the third port of the four-way valve (3) is connected with the refrigerant tube bundle (1-6) and then is divided into two branch tubes, the third branch tube is connected with the second expansion valve (7-2) and then is converged into the high-pressure liquid storage device (6), and the fourth branch tube is connected with the first one-way valve (8-1) and then is converged into the high-pressure liquid storage device (6);
the fourth interface of the four-way valve (3) is connected with the gas-liquid separator (4) and then connected to the inlet of the compressor (2);
the water inlet pipe of the water loop is divided into two branches, a first water inlet branch is connected with a first water pipe bundle (1-8), a first electric two-way valve (9-1) is arranged on the first water inlet branch, and the first branch is a first water outlet pipe after heat exchange;
the second water inlet branch is connected with a second water tube bundle (5-2) of the refrigerant-water heat exchanger (5), and a second electric two-way valve (9-2) and an electric three-way regulating valve (11) are arranged on the second water inlet branch, and the second water outlet branch is used after heat exchange;
a bypass pipe is arranged at the electric three-way regulating valve (11) and is connected with a water outlet second branch, and a static hydraulic balance valve (10) is arranged on the bypass pipe;
the water outlet first branch and the water outlet second branch are converged and then are connected with the water outlet pipe of the water receiving loop.
2. An integrated water loop multi-function heat balancer as claimed in claim 1, wherein: the heat exchange mechanism of the air heat exchange unit (1) comprises a shell (1-1), a fan (1-2), a water blocking layer (1-3), a water distributor (1-4), a packing layer (1-5), a first refrigerant tube bundle (1-6), an air inlet channel (1-7), a first water tube bundle (1-8), a water collecting tank (1-9) and a water absorbing port (1-10), wherein the fan (1-2), the water blocking layer (1-3), the water distributor (1-4), the packing layer (1-5), the first refrigerant tube bundle (1-6), the air inlet channel (1-7), the first water tube bundle (1-8) and the water absorbing port are sequentially arranged from top to bottom;
wherein, the first refrigerant tube bundle (1-6) is positioned between the filler layer (1-5) and the air inlet channel (1-7);
the first water pipe bundle (1-8) is positioned in the water collecting tank (1-9);
the water suction port (1-10) is connected with a water pump (1-11), and the liquid sucked by the water suction port (1-10) returns to the water distributor (1-4) after being pressurized by the water pump (1-11).
3. An integrated water loop multi-function heat balancer as claimed in claim 1, wherein: only heat exchange exists between the refrigerant in the refrigerant tube bundles (1-6) and the air on the outer surface, and no direct contact exists.
4. An integrated water loop multi-function heat balancer as claimed in claim 1, wherein: only heat exchange exists between the refrigerant in the first water tube bundle (1-8) and the water collecting tank (1-9) at the outer side of the first water tube bundle, and no direct contact exists.
5. An integrated water loop multi-function heat balancer as claimed in claim 1, wherein: only heat exchange exists between the refrigerant in the second refrigerant tube bundle (5-1) of the refrigerant-water heat exchanger (5) and the aqueous solution in the second water tube bundle (5-2), and no direct contact exists.
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| CN202211600475.5A CN116025972B (en) | 2022-12-13 | 2022-12-13 | Integrated water loop multifunctional heat balancer |
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| CN202211600475.5A CN116025972B (en) | 2022-12-13 | 2022-12-13 | Integrated water loop multifunctional heat balancer |
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| CN212158210U (en) * | 2020-02-28 | 2020-12-15 | 浙江英特科技股份有限公司 | Energy tower and heat pump system thereof |
| CN212205130U (en) * | 2020-06-03 | 2020-12-22 | 顿汉布什(中国)工业有限公司 | Combined type evaporation cold and hot pump unit |
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