CN2926901Y - Cooling system of central air-conditioner - Google Patents
Cooling system of central air-conditioner Download PDFInfo
- Publication number
- CN2926901Y CN2926901Y CN 200620030499 CN200620030499U CN2926901Y CN 2926901 Y CN2926901 Y CN 2926901Y CN 200620030499 CN200620030499 CN 200620030499 CN 200620030499 U CN200620030499 U CN 200620030499U CN 2926901 Y CN2926901 Y CN 2926901Y
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- pipe
- cooling
- water
- cooling water
- refrigeration machine
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Abstract
A central air-conditioning cooling system comprises a refrigeration machine unit and an air-conditioner unit, and two groups of outlet pipe and return pipe connecting with the refrigeration machine unit, in which one group of the pipe is for cooling water, and the other group is for chilled water. A cooling water outlet main is connected to the cooling tower, then to cooling water pump, cooling water return main and finally back to the refrigeration machine unit; the chilled water outlet main is connected to the air-conditioner unit through a water separation bag, then back to the refrigeration machine unit through backwater envelope, chilled water pump and chilled water return main. A connecting pipe A is provided between the cooling water outlet main and the chilled water outlet main, and a connecting pipe B is provided between the cooling water return main and the chilled water return main, and valves are positioned in each connecting pipe, inlet and outlet pipe. The utility model is able to lower the temperature only by running the cooling tower which can save energy consumption and extend the service life of refrigeration machine unit; moreover, the replacement of the central air-conditioning cooling system and the refrigeration machine cooling system is easily accessible, and is suitable for central air-conditioning system of matched electrical refrigeration machine, lithium bromide steam refrigeration machine and so on.
Description
Technical field
The utility model relates to a kind of central air conditioning cooling system.
Background technology
Refrigeration machine is finished a kind of refrigeration cycle by compression, condensation, throttling expansion and four thermodynamic cycle process of evaporation.The evaporation of evaporimeter inner refrigerant produces low temperature, low-pressure steam, be delivered to condenser after the compressed machine compression, in condenser, high temperature, high-pressure refrigerant and recirculated cooling water carry out heat exchange, enter evaporimeter after the refrigerant liquid process throttle expansion valve step-down of high pressure, explosive evaporation absorbs circulation chilled water heat, and refrigerant vapour is siphoned away by compressor again.Central air conditioning refrigerating system coolant, cooling system are relatively independent, and the refrigerant water pump is delivered to terminal air-conditioning unit with the low temperature chilled water, through surface cooler, for the user provides refrigeration duty, reach the cooling purpose; Cooling water pump is delivered to cooling tower with high-temperature cooling water, after the cooling tower cooling, through cycling back to refrigerator condenser.
In order to provide low-temperature receiver, need to open running refrigerating machine and corollary equipment (refrigerant, coolant pump, cooling tower) thereof to the user.Especially large-scale centralized air-conditioning system, it is bigger that unit is equipped with power, and the customer requirements Temperature and Humidity Control that has can cause refrigeration unit to move under underload in certain excursion, increases the equipment operation time, produces unnecessary energy consumption.
Summary of the invention
The purpose of this utility model provides a kind of low energy consumption central air conditioning cooling system.
For achieving the above object, the utility model adopts following technical scheme: a kind of central air conditioning cooling system, comprise refrigeration unit and air-conditioning unit, being connected with two groups with refrigeration unit goes out, return pipe, one group is cooling water pipe, another group is the refrigerant water pipe, the cooling water main water outlet pipe links to each other with cooling tower, pass through cooling water pump then, the female pipe of cooling water backwater is got back to refrigeration unit, the chilled water main water outlet pipe feeds the air-conditioning unit through undue water bag, pass through the backwater bag then, the refrigerant water pump, the female pipe of chilled water backwater is got back to refrigeration unit, be provided with between the female pipe of described cooling water main water outlet pipe and chilled water backwater and be communicated with A and manage, be provided with between the female pipe of described cooling water backwater and the chilled water main water outlet pipe and be communicated with B and manage, each communicating pipe and respectively advancing, be equipped with valve on the outlet pipe.
In order to walk around the refrigerant water pump, be provided with between the female pipe of the water inlet of described refrigerant water pump and the main water outlet pipe and be communicated with the C pipe, connection C pipe is provided with valve.
In order to walk around cooling water pump, described cooling water pump two ends are provided with communicating pipe, and communicating pipe is provided with valve.
Relatively stable in order to keep air-conditioning unit water inlet end pressure, be provided with balanced valve between described minute water bag and the backwater bag.
Adopt technical scheme described in the utility model, owing to can close refrigeration unit, only move coolant pump and cooling tower, the cold water of supply uniform temperature, satisfy air-conditioning unit needs, with respect to running refrigerating machine refrigerant system energy efficient about 70% (owing to the variation of central air-conditioning system situation difference and external environment separately, can be variant); Can prolong duration of service in addition; Central air conditioning cooling system and refrigeration machine refrigerant cooling system replacement operator are convenient; Be applicable to the central air-conditioning system of supporting electric refrigerating machine, steam lithium bromide refrigerator and internal combustion unit etc.
Description of drawings
Accompanying drawing is depicted as the utility model connected system principle schematic.
The specific embodiment
As shown in the figure, the utility model comprises refrigeration unit and air-conditioning unit, with refrigeration unit be connected with two groups go out, return pipe, one group is cooling water pipe, another group is for the refrigerant water pipe.Refrigeration unit cooling outlet pipe 14 is provided with valve 15, refrigeration unit cooling outlet pipe 14 inserts cooling water main water outlet pipe 16 and links to each other with cooling tower, get back to refrigeration unit through cooling water pump, the female pipe 24 of cooling water backwater, refrigeration machine CWR 19 then, refrigeration machine CWR 19 is provided with valve 20.Refrigeration unit refrigerant outlet pipe 10 is provided with valve 11, refrigeration unit refrigerant outlet pipe 10 inserts chilled water main water outlet pipe 23 and feeds the air-conditioning unit through undue water bag, pump jellyfish pipe 4, the female pipe 7 of chilled water backwater, chilled water return pipe 8 through backwater bag, the female pipe 1 of chilled water pump water inlet, refrigerant pump water inlet 18, refrigerant water pump, chilled water water pump outlet pipe 5, chilled water then and get back to refrigeration unit, chilled water return pipe 8 is provided with valve 9, divides between water bag and the backwater bag to be provided with balanced valve.Chilled water water pump outlet pipe 5 is provided with valve 6, and refrigerant pump water inlet 18 is provided with valve 17.Be provided with between the female pipe 7 of cooling water main water outlet pipe 16 and chilled water backwater and be communicated with A pipe 13, be communicated with A and manage 13 and be provided with valve 12; Be provided with between the female pipe 24 of cooling water backwater and the chilled water main water outlet pipe 23 and be communicated with B pipe 21, connection B manages 21 and is provided with valve 22; Be provided with between the female pipe 1 of the water inlet of refrigerant water pump and the main water outlet pipe 4 and be communicated with C pipe 2, connection C manages 2 and is provided with valve 3.
Use of the present utility model cooling during function, only need close refrigeration machine refrigerant water pipe terminal valve 9,11, cooling water pipe terminal valve 20,15 and refrigerant water pump terminal valve 17,6, open and be communicated with the A pipe, the B pipe, C pipe place valve 12,22,3 and other corollary equipment valve, operation cooling water pump and air-conditioning unit, behind the cooling water process cooling tower evaporative cooling, cooling water pump provides circulation power, cooling water after the cooling is along cooling tower, and------the female pipe 24 of cooling water backwater---is communicated with B pipe 21 and valve 22---Fen Shuibao---air-conditioning unit thereof (through after the heat exchange to cooling water pump, water temperature increases)---------the female pipe 7 of chilled water backwater---is communicated with A pipe 13 and valve 12---cooling water main water outlet pipe 16---cooling tower thereof (through evaporative cooling to the backwater bag to be communicated with C pipe 2 and valve 3 thereof, water temperature reduces), finish a circulation.If cooling water can not satisfy the requirement of user's air-conditioning humiture, after only needing the stoppage in transit cooling water pump, close the valve 12,22,3 that is communicated with on A pipe, B pipe, the C pipe, open refrigeration machine refrigerant water pipe terminal valve 9,11, cooling water pipe terminal valve 20,15 and refrigerant water pump terminal valve 17,6, open other corollary equipment valve simultaneously, open running refrigerating unit and corollary equipment (refrigerant, coolant pump, cooling tower) thereof.The refrigerant cooling and the two kinds of functions that cool can be changed easily mutually.
The utility model is not limited to the above-mentioned specific embodiment, for example use when cooling function, the valve 3 that is communicated with on the C pipe 2 can be closed, refrigerant water pump terminal valve 17,6 is opened, the series connection of refrigerant water pump and cooling water pump is used together, circulation power is provided jointly.Also can import and export two ends at cooling water pump and add communicating pipe, singly make the refrigerant water pump participate in circulation power is provided, these two kinds of variations belong to protection domain of the present utility model equally.
Claims (4)
1, a kind of central air conditioning cooling system, comprise refrigeration unit and air-conditioning unit, being connected with two groups with refrigeration unit goes out, return pipe, one group is cooling water pipe, another group is the refrigerant water pipe, the cooling water main water outlet pipe links to each other with cooling tower, pass through cooling water pump then, the female pipe of cooling water backwater is got back to refrigeration unit, the chilled water main water outlet pipe feeds the air-conditioning unit through undue water bag, pass through the backwater bag then, the refrigerant water pump, the female pipe of chilled water backwater is got back to refrigeration unit, it is characterized in that: be provided with between the female pipe of described cooling water main water outlet pipe and chilled water backwater and be communicated with A and manage, be provided with between the female pipe of described cooling water backwater and the chilled water main water outlet pipe and be communicated with B and manage, each communicating pipe and respectively advancing, be equipped with valve on the outlet pipe.
2, central air conditioning cooling system as claimed in claim 1 is characterized in that: be provided with between the female pipe of the water inlet of described refrigerant water pump and the main water outlet pipe and be communicated with the C pipe, connection C pipe is provided with valve.
3, central air conditioning cooling system as claimed in claim 1 is characterized in that: described cooling water pump two ends are provided with communicating pipe, and communicating pipe is provided with valve.
4, as claim 1 or 2 or 3 described central air conditioning cooling systems, it is characterized in that: be provided with balanced valve between described minute water bag and the backwater bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620030499 CN2926901Y (en) | 2006-06-26 | 2006-06-26 | Cooling system of central air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620030499 CN2926901Y (en) | 2006-06-26 | 2006-06-26 | Cooling system of central air-conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2926901Y true CN2926901Y (en) | 2007-07-25 |
Family
ID=38281149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620030499 Expired - Fee Related CN2926901Y (en) | 2006-06-26 | 2006-06-26 | Cooling system of central air-conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2926901Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976746A (en) * | 2015-04-23 | 2015-10-14 | 李德生 | Heat-dissipating and energy-saving type elliptical pipeline |
| CN107763881A (en) * | 2017-10-31 | 2018-03-06 | 杭州科晟能源技术有限公司 | Alumina producer central cooling device and cooling technology |
-
2006
- 2006-06-26 CN CN 200620030499 patent/CN2926901Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976746A (en) * | 2015-04-23 | 2015-10-14 | 李德生 | Heat-dissipating and energy-saving type elliptical pipeline |
| CN107763881A (en) * | 2017-10-31 | 2018-03-06 | 杭州科晟能源技术有限公司 | Alumina producer central cooling device and cooling technology |
| CN107763881B (en) * | 2017-10-31 | 2020-10-23 | 杭州科晟能源技术有限公司 | Centralized cooling device and cooling process for alumina plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070725 Termination date: 20140626 |
|
| EXPY | Termination of patent right or utility model |