CN220541404U - Integrated water chiller - Google Patents
Integrated water chiller Download PDFInfo
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- CN220541404U CN220541404U CN202321990368.8U CN202321990368U CN220541404U CN 220541404 U CN220541404 U CN 220541404U CN 202321990368 U CN202321990368 U CN 202321990368U CN 220541404 U CN220541404 U CN 220541404U
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- shell
- heat exchanger
- evaporation
- fin
- centrifugal compressor
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 131
- 238000001704 evaporation Methods 0.000 claims abstract description 100
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 230000008020 evaporation Effects 0.000 claims description 64
- 238000009833 condensation Methods 0.000 claims description 37
- 230000005494 condensation Effects 0.000 claims description 37
- 238000001816 cooling Methods 0.000 claims description 32
- 238000005057 refrigeration Methods 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 14
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 description 12
- 239000000498 cooling water Substances 0.000 description 9
- 239000003507 refrigerant Substances 0.000 description 7
- 239000012466 permeate Substances 0.000 description 4
- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model relates to an integrated water chiller which comprises a shell, a centrifugal compressor, a filter assembly, a condensing assembly, an evaporating assembly and a controller, wherein the centrifugal compressor, the filter assembly, the condensing assembly and the evaporating assembly are positioned in the shell, one end of the filter assembly is in sealing connection with an air inlet of the centrifugal compressor, the other end of the filter assembly is in sealing connection with the shell, the inner side surface of the filter assembly, the air inlet of the centrifugal compressor and the shell are surrounded together to form an evaporating area, the outer side surface of the filter assembly, an air outlet of the centrifugal compressor and the shell are surrounded together to form a condensing area, the evaporating assembly is arranged in the evaporating area and comprises a fin evaporating heat exchanger, the condensing assembly is arranged in the condensing area, and the condensing assembly comprises a fin condensing heat exchanger. The utility model improves the flow of the water vapor and reduces the resistance as much as possible, thus greatly improving the processing capacity and efficiency of the system, and greatly improving the utilization capacity and stability of natural cold sources compared with the conventional centrifugal water chiller.
Description
Technical Field
The utility model relates to the technical field of air conditioner refrigeration, in particular to an integrated water chiller.
Background
Over decades, central air conditioning water systems have evolved, and technology has tended to mature. Because the negative pressure centrifugal water chiller is convenient to use, simple to operate and high in reliability, the negative pressure centrifugal water chiller is widely applied to air conditioning systems of large data centers and commercial buildings, and the application quantity is increased because of high energy efficiency and low noise. However, the existing water chiller adopts the fluorochlorohydrocarbon which damages the ozone layer as the refrigerant, so that the cost is high, and the fluorochlorohydrocarbon causes huge damage to the environment in the production and application links, so that the development of an integrated water chiller which adopts the environment-friendly refrigerant, integrates evaporation and condensation with a shell, and has the refrigerating energy efficiency reaching the performance of the common refrigerant is very important.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide an integrated water chiller, which adopts water as a refrigerant and comprises an evaporation component, a condensation component, a centrifugal compressor, a filtering component, a controller and a shell; the evaporation assembly and the condensation assembly are isolated by the filtration assembly through which water can permeate to the evaporation assembly but through which water vapor cannot pass; the air inlet of the centrifugal compressor is communicated with the evaporator, and the air outlet of the centrifugal compressor is communicated with the condenser. When the negative pressure centrifugal water chiller works, water vapor enters the centrifugal compressor through the air inlet of the centrifugal compressor, the compressed water vapor enters the condensing assembly through the air outlet of the centrifugal compressor and is condensed into liquid water under the action of internal circulating cooling water in the condensing assembly, the condensed liquid water enters the evaporating assembly through the filtering assembly and enters the liquid water in the evaporating assembly, and the condensed liquid water is evaporated into water vapor and cools the refrigerating circulating water in the evaporating assembly under the action of the centrifugal compressor, so that the condensed liquid water is circulated and reciprocated. The centrifugal compressor is directly connected between the evaporation assembly and the condensation assembly, so that the flow of water vapor is improved, the resistance is reduced as much as possible, and the processing capacity and the efficiency of the system can be greatly improved. The negative pressure centrifugal water chiller adopting water as a refrigerant has the refrigerating capacity reaching the level of the current main flow centrifugal water chiller, and can greatly improve the energy efficiency under the working condition of high temperature compared with the common water chiller, and the unit can normally operate even if the cooling water temperature is reduced to 5 ℃, and greatly improve the utilization capacity and the stability of a natural cold source compared with the conventional centrifugal water chiller.
The technical scheme of the embodiment of the utility model is as follows:
the utility model provides an integral type cold water machine includes shell, centrifugal compressor, filter equipment, condensation subassembly, evaporation subassembly and controller, centrifugal compressor, filter equipment, condensation subassembly the evaporation subassembly is in inside the shell, filter equipment's one end with centrifugal compressor's air inlet sealing connection, filter equipment's the other end with shell sealing connection, filter equipment's medial surface, centrifugal compressor's air inlet, the shell surrounds together and forms the evaporation zone, filter equipment's lateral surface, centrifugal compressor's gas outlet, the shell surrounds together and forms the condensation zone, evaporation subassembly is arranged in the evaporation zone, evaporation subassembly includes fin evaporation heat exchanger, condensation subassembly is arranged in the condensation zone, condensation subassembly includes fin condensation heat exchanger, the fins in the fin evaporation heat exchanger are connected with the inner side surface of the filter assembly, the two ends of the coil in the fin evaporation heat exchanger are communicated with an external refrigeration circulating water return circuit, the fins in the fin condensation heat exchanger are connected with the outer side surface of the filter assembly, the two ends of the coil in the fin condensation heat exchanger are communicated with a cooling circulating water return circuit, the controller controls the centrifugal compressor to be started, the centrifugal compressor sucks the water vapor in the evaporation zone into the cavity through the air inlet, mechanically compresses the water vapor to form high-pressure water vapor, the high-pressure water vapor is conveyed into the condensation zone through the air outlet, exchanges heat with external cooling circulating water in the coil in the fin condensation heat exchanger to be condensed into liquid water, the liquid water flows onto the filter assembly through the fins in the fin condensation heat exchanger, and penetrating and flowing out from the filtering component to fins in the fin evaporation heat exchanger in the evaporation zone, and exchanging heat with external refrigeration circulating water in a coil pipe in the fin evaporation heat exchanger to evaporate into water vapor, so that the water vapor is circulated.
Preferably, the condensing assembly further comprises a shell-and-tube condensing heat exchanger, two ends of a pipeline in the shell-and-tube condensing heat exchanger are communicated with the cooling circulation return water loop, an air inlet end of a shell space in the shell-and-tube condensing heat exchanger is communicated with an air outlet of the centrifugal compressor, and an air outlet end of the shell space in the shell-and-tube condensing heat exchanger is communicated with an air inlet space between fins of the fin condensing heat exchanger; the evaporation assembly further comprises a shell-and-tube evaporation heat exchanger, two ends of a pipeline in the shell-and-tube evaporation heat exchanger are communicated with an external refrigeration circulation return water loop, a liquid inlet end of a shell space in the shell-and-tube evaporation heat exchanger is connected with fins of the fin evaporation heat exchanger, and an air outlet end of the shell space in the shell-and-tube evaporation heat exchanger is communicated with an air outlet of the centrifugal compressor; the controller controls the on-off of the shell-and-tube condensing heat exchanger and the cooling circulation backwater loop according to the detected external environment temperature, and controls the on-off of the shell-and-tube evaporating heat exchanger and the external refrigeration circulation backwater loop according to the detected external environment temperature.
Preferably, the filter assembly is a ceramic filter plate.
Preferably, the filter assembly is a filter membrane containing a reinforcing framework.
Compared with the prior art, the utility model has the beneficial effects that:
the centrifugal compressor is directly connected between the evaporation assembly and the condensation assembly, so that the flow of water vapor is improved, the resistance is reduced as much as possible, and the processing capacity and the efficiency of the system can be greatly improved. The negative pressure centrifugal water chiller adopting water as the refrigerant has the refrigerating capacity reaching the level of the current main flow centrifugal water chiller, and the energy efficiency of the negative pressure centrifugal water chiller can be greatly improved compared with that of the common water chiller under the working condition of high temperature, and the unit can normally operate even when the cooling water temperature is reduced to 5 ℃, and the natural cold source utilization capacity and the stability of the negative pressure centrifugal water chiller are greatly improved compared with those of the conventional centrifugal water chiller.
Drawings
FIG. 1 is a schematic diagram of an integrated chiller according to the present utility model;
10. a housing; 20. a centrifugal compressor; 30. a fin condensing heat exchanger; 40. a filter assembly; 50. a fin evaporation heat exchanger; 60. a condensation zone; 70. an evaporation zone; 80. a shell-and-tube evaporative heat exchanger; 90. shell and tube condensing heat exchanger.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
As shown in fig. 1, fig. 1 is a schematic structural diagram of an integrated water chiller according to the present utility model; the integrated water chiller comprises a shell 10, a centrifugal compressor 20, a filter assembly 40, a condensing assembly, an evaporating assembly and a controller, wherein the centrifugal compressor 20, the filter assembly 40, the condensing assembly and the evaporating assembly are positioned in the shell 10, one end of the filter assembly 40 is in sealing connection with an air inlet of the centrifugal compressor 20, the other end of the filter assembly 40 is in sealing connection with the shell 20, an inner side surface of the filter assembly 40, the air inlet of the centrifugal compressor 20 and the shell 10 are encircled together to form an evaporating area 70, an outer side surface of the filter assembly 40, an air outlet of the centrifugal compressor 20 and the shell 10 are encircled together to form a condensing area 60, the evaporating assembly is arranged in the evaporating area 70, the evaporating assembly comprises a fin evaporating heat exchanger 50, the condensing assembly is arranged in the condensing area 60, the condensing assembly comprises a fin condensing heat exchanger 30, fins in the fin evaporating heat exchanger 50 are connected with the inner side surface of the filtering assembly 40, two ends of a coil in the fin evaporating heat exchanger 50 are communicated with an external refrigeration circulating water return loop, fins in the fin condensing heat exchanger 30 are connected with the outer side surface of the filtering assembly 40, two ends of a coil in the fin condensing heat exchanger 30 are communicated with a cooling circulating water return loop, the centrifugal compressor is controlled to be started by the controller, the centrifugal compressor sucks water vapor in the evaporating area into a cavity through an air inlet, mechanically compresses the water vapor to form high-pressure water vapor, conveys the high-pressure water vapor into the condensing area through an air outlet, exchanges heat with external cooling circulating water in the coil in the fin condensing heat exchanger to condense the water into liquid water, liquid water falls onto the filter assembly through fins in the fin condensation heat exchanger, permeates and flows out from the filter assembly to fins in the fin evaporation heat exchanger in the evaporation zone, exchanges heat with external refrigeration circulating water in a coil pipe in the fin evaporation heat exchanger and evaporates into water vapor, and circulates in this way.
The utility model relates to a cold water machine, which is characterized in that a centrifugal compressor, a filtering component, a condensing component and an evaporating component are all integrated and arranged in a shell to form an integrated cold water machine, the centrifugal compressor provides negative pressure, the water evaporation speed is accelerated in the negative pressure environment, the middle part of the shell is an evaporating zone, the two sides of the shell are condensing zones, the centrifugal compressor is controlled to be opened, the centrifugal compressor pumps water vapor from the evaporating zone, the water vapor is conveyed to the condensing zone from an air outlet end after being compressed, the water vapor is conveyed to the condensing zone and then subjected to heat exchange and condensation with a fin condensing heat exchanger of the condensing zone, because a coil pipe of the fin condensing heat exchanger is communicated with a cooling circulating water loop with low external temperature, the cooling circulating water with low external temperature enters the coil pipe of the fin condensing heat exchanger, exchanges heat with the water vapor with high pressure, water droplets with high pressure temperature are cooled and condensed on the fin condensing heat exchanger, the water droplets fall to the filtering component along the filtering component, filtered water droplets permeate to the other side of the filtering component, the evaporating zone enters the evaporating zone, the evaporating zone is connected with the filtering component, the fin condensing heat exchanger is subjected to heat exchange with the fin condensing heat exchanger, the water vapor flows into the cooling circulating heat exchanger along the fin condensing heat exchanger, the cooling circulating water loop with the water vapor enters the cooling circulating heat exchanger, the cooling circulating water loop with the outside temperature, the cooling circulating water is cooled and condensed into the cooling water loop, and the cooling water droplets enters the cooling water loop, and the cooling water is cooled down and condensed into the cooling zone, and the cooling water vapor is cooled down and condensed into the cooling zone, and condensed water vapor, and the water vapor is cooled down and condensed into the water. The temperature of the high-temperature refrigeration cycle water is reduced to low-temperature refrigeration cycle water, and the low-temperature refrigeration cycle water is output to the refrigeration cycle water loop.
In order to further sufficiently and efficiently condense the water vapor and evaporate the water droplets, it is preferable that the condensation assembly further comprises a shell-and-tube condensation heat exchanger 90, wherein two ends of a pipe in the shell-and-tube condensation heat exchanger 90 are communicated with a cooling circulation water return circuit, an air inlet end of a shell space in the shell-and-tube condensation heat exchanger 90 is communicated with an air outlet of the centrifugal compressor 20, and an air outlet end of the shell space in the shell-and-tube condensation heat exchanger 90 is communicated with an air inlet space between fins of the fin condensation heat exchanger 30; the evaporation assembly further comprises a shell-and-tube evaporation heat exchanger 80, wherein two ends of a pipeline in the shell-and-tube evaporation heat exchanger 80 are communicated with an external refrigeration cycle return water loop, a liquid inlet end of a shell space in the shell-and-tube evaporation heat exchanger 80 is connected with fins of the fin evaporation heat exchanger 50, and an air outlet end of a shell space in the shell-and-tube evaporation heat exchanger 90 is communicated with an air outlet of the centrifugal compressor 20; the controller controls the on-off of the shell-and-tube condensing heat exchanger and the cooling circulation backwater loop according to the detected external environment temperature, and controls the on-off of the shell-and-tube evaporating heat exchanger and the external refrigeration circulation backwater loop according to the detected external environment temperature.
Because the space between the condensing area and the evaporating area is larger, the condensing area and the evaporating area are respectively provided with the shell-tube condensing heat exchanger and the shell-tube evaporating heat exchanger, the shell-tube condensing heat exchanger is used for carrying out primary heat exchange, cooling and condensation on high-pressure water vapor, the shell-tube evaporating heat exchanger is used for carrying out secondary heat exchange, heating and evaporation on water drops, the pipeline of the shell-tube condensing heat exchanger is communicated with an external cooling circulating backwater loop, external cold cooling circulating water enters the shell-tube condensing heat exchanger, the pipeline of the shell-tube evaporating heat exchanger is communicated with the external freezing circulating backwater loop, the external high-temperature freezing circulating water enters the shell-tube evaporating heat exchanger, the controller is used for controlling whether the shell-tube condensing heat exchanger needs to enter the cooling circulating water and whether the shell-tube evaporating heat exchanger needs to enter the freezing circulating water, when the external temperature is higher, the controller is used for controlling the opening of the cooling circulating water pipeline, the cooling circulating water enters the shell-tube condensing heat exchanger, the controller is used for controlling the cooling circulating water pipeline to be closed, the cooling circulating water does not enter the shell-tube heat exchange evaporating area, and the cooling circulating water is controlled by the controller to be closed when the external temperature is higher, the cooling circulating water is not controlled by the shell-tube condensing heat exchanger, and the cooling circulating water is controlled by the controller to enter the shell-tube evaporating heat exchanger to be controlled by the cooling circulating water pipeline to be opened. The high-pressure water vapor enters the shell-and-tube condensing heat exchanger from the air outlet end of the centrifugal compressor for primary condensation, water drops fall onto the fin condensing heat exchanger, permeate into the evaporation area from the filtering component, and deliver high-pressure air which is not condensed in the shell-and-tube condensing heat exchanger to the fin condensing heat exchanger for secondary condensation, so that the condensing efficiency of the high-pressure water vapor is improved, and the condensing water quantity is increased; similarly, when the external temperature is lower, water drops firstly heat exchange and temperature rising evaporation are carried out through the fin evaporation heat exchanger in the evaporation area, but because the external temperature is lower, the evaporation capacity is not large, the evaporation efficiency is lower, and the water drops which are not evaporated at the moment flow into the shell and tube evaporation heat exchanger to absorb heat again for evaporation, so that the evaporation capacity is increased, and the cooling capacity of chilled water is also increased.
For a particular form of assembly, the filter assembly is preferably a ceramic filter plate.
The ceramic filter plate fully ensures the permeation of liquid water and prevents the water vapor from being conveyed to the other side.
For a particular form of the assembly, the filter assembly is preferably a filter membrane incorporating a reinforcing cage.
The filter membrane with the reinforced framework fully ensures the permeation of liquid water and prevents the water vapor from being conveyed to the other side.
The utility model has the beneficial effects that: the centrifugal compressor is directly connected between the evaporation assembly and the condensation assembly, so that the flow of water vapor is improved, the resistance is reduced as much as possible, and the processing capacity and the efficiency of the system can be greatly improved. The negative pressure centrifugal water chiller adopting water as the refrigerant has the refrigerating capacity reaching the level of the current main flow centrifugal water chiller, and the energy efficiency of the negative pressure centrifugal water chiller can be greatly improved compared with that of the common water chiller under the working condition of high temperature, and the unit can normally operate even when the cooling water temperature is reduced to 5 ℃, and the natural cold source utilization capacity and the stability of the negative pressure centrifugal water chiller are greatly improved compared with those of the conventional centrifugal water chiller.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples only represent preferred embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (4)
1. An integrated water chiller, characterized in that:
including shell, centrifugal compressor, filter equipment, condensation subassembly, evaporation subassembly and controller, centrifugal compressor filter equipment the condensation subassembly the evaporation subassembly is in inside the shell, filter equipment's one end with centrifugal compressor's air inlet sealing connection, filter equipment's the other end with shell sealing connection, filter equipment's medial surface the air inlet of centrifugal compressor the shell surrounds together and forms the evaporation zone, filter equipment's lateral surface the gas outlet of centrifugal compressor the shell surrounds together and forms the condensation zone, evaporation subassembly arranges in the evaporation zone, evaporation subassembly includes fin evaporation heat exchanger, condensation subassembly arranges in the condensation zone, condensation subassembly includes fin condensation heat exchanger, fin in the fin evaporation heat exchanger with filter equipment's medial surface is connected, the both ends and the outside refrigeration cycle return circuit intercommunication of coil pipe in the fin evaporation heat exchanger, fin in the fin heat exchanger with filter equipment's lateral surface is connected, fin in the fin evaporation heat exchanger and the electromechanical cycle return circuit intercommunication of compressor return circuit of cooling.
2. The integrated chiller according to claim 1 wherein:
the condensing assembly further comprises a shell-and-tube condensing heat exchanger, two ends of a pipeline in the shell-and-tube condensing heat exchanger are communicated with the cooling circulation backwater loop, an air inlet end of a shell space in the shell-and-tube condensing heat exchanger is communicated with an air outlet of the centrifugal compressor, and an air outlet end of the shell space in the shell-and-tube condensing heat exchanger is communicated with an air inlet space between fins of the fin condensing heat exchanger; the evaporation assembly further comprises a shell-and-tube evaporation heat exchanger, two ends of a pipeline in the shell-and-tube evaporation heat exchanger are communicated with an external refrigeration circulation backwater loop, a liquid inlet end of a shell space in the shell-and-tube evaporation heat exchanger is connected with fins of the fin evaporation heat exchanger, and an air outlet end of the shell space in the shell-and-tube evaporation heat exchanger is communicated with an air outlet of the centrifugal compressor.
3. The integrated chiller according to claim 2 wherein:
the filter component is a ceramic filter plate.
4. The integrated chiller according to claim 2 wherein:
the filter component is a filter membrane with a reinforced framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321990368.8U CN220541404U (en) | 2023-07-27 | 2023-07-27 | Integrated water chiller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321990368.8U CN220541404U (en) | 2023-07-27 | 2023-07-27 | Integrated water chiller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220541404U true CN220541404U (en) | 2024-02-27 |
Family
ID=89969260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321990368.8U Active CN220541404U (en) | 2023-07-27 | 2023-07-27 | Integrated water chiller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220541404U (en) |
-
2023
- 2023-07-27 CN CN202321990368.8U patent/CN220541404U/en active Active
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