CN207500154U - A kind of rear cold depth cooling system for centrifugal air compressor - Google Patents
A kind of rear cold depth cooling system for centrifugal air compressor Download PDFInfo
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- CN207500154U CN207500154U CN201721584100.9U CN201721584100U CN207500154U CN 207500154 U CN207500154 U CN 207500154U CN 201721584100 U CN201721584100 U CN 201721584100U CN 207500154 U CN207500154 U CN 207500154U
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- air compressor
- centrifugal air
- level
- cooling tower
- temperature
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Abstract
The utility model is related to a kind of rear cold depth cooling systems for centrifugal air compressor, three-level centrifugation pneumatics unit including multiple parallel connections, three-level centrifugation pneumatics unit includes first-stage centrifugal air compressor machine, two-stage centrifugal air compressor machine and three-level centrifugal air compressor, it is connect per the outlet of level-one centrifugal air compressor with a cooler, cooling system includes cooling tower and refrigeration station, and the temperature of coolant is higher than the temperature of freezing liquid in refrigeration station in cooling tower, two coolers being connect with first-stage centrifugal air compressor machine and two-stage centrifugal air compressor machine are connect with cooling tower, it is all connected with the cooler that three-level centrifugal air compressor is connect and cooling tower and refrigeration station.Compared with prior art, the three-level centrifugal air compressor of the utility model can be used the chilled water of more low temperature and be cooled down, and reduce compressed air enthalpy, reduce water content of compressed air, improve the working efficiency of follow-up drying machine.
Description
Technical field
The utility model is related to technical field of air compression, and in particular to a kind of rear cold depth for centrifugal air compressor is cold
But device.
Background technology
Centrifugal air compressor, i.e. centrifugal air compressor, principle are gas to be driven to do high speed rotation by impeller, make gas
Centrifugal force is generated, due to diffusion flowing of the gas in impeller, is carried so as to pass the gas through the flow velocity after impeller and pressure
Height, continuously produces compressed air, and centrifugal air compressor is usually used in multi-stage compression.After every one stage of compression, need to air into
Row cooling, reduces the water content in compressed air, is on the one hand the energy consumption for reducing next stage centrifugal air compressor, on the other hand subtracts
The load of few drying machine.At present, the latter linked cooler of multistage centrifugal air compressor machine is cooled down by same low-temperature receiver, actual production
It finds in the process, the load of drying machine is larger, can not meet production requirement.
Utility model content
The purpose of this utility model is exactly to provide a kind of operating cost to overcome the problems of the above-mentioned prior art
The low rear cold depth cooling system for centrifugal air compressor.
The purpose of this utility model can be achieved through the following technical solutions：A kind of rear cold depth for centrifugal air compressor
Cooling system is spent, which includes the three-level centrifugation pneumatics unit of multiple parallel connections, and three-level centrifugation pneumatics unit includes level-one
Centrifugal air compressor, two-stage centrifugal air compressor machine and three-level centrifugal air compressor, the outlet per level-one centrifugal air compressor are cooled down with one
Device connects, and the cooling system includes cooling tower and refrigeration station, and the temperature of coolant is freezed higher than in refrigeration station in cooling tower
The temperature of liquid, two coolers being connect with the first-stage centrifugal air compressor machine and two-stage centrifugal air compressor machine are connect with cooling tower, with
The cooler of the three-level centrifugal air compressor connection is all connected with cooling tower and refrigeration station.In the utility model, a two-stage centrifugal
Air compressor machine still carries out the cooling of compressed air with cooling tower, ensures that air compressor machine inner wall does not generate condensation water, ensures the peace of air compressor machine
Full Effec-tive Function；And the chilled water that more low temperature can be used in three-level centrifugal air compressor is cooled down, and reduces compressed air enthalpy, is reduced
Water content of compressed air improves the working efficiency of follow-up drying machine.
The cooler being connect with the three-level centrifugal air compressor is connect with cooling tower and refrigeration station, and is divided on connecting line
Not She You butterfly valve, two butterfly valves can not open simultaneously.
It connect to control the system comprises the temperature sensor for determination of the environment temperature and with temperature sensor
The controller of butterfly valve opening and closing.When environment temperature is less than a certain temperature, just have been able to meet third centrifugation sky using cooling water
The cooling purpose for the compressed air that press comes out then controls cooler and cooling tower after three-level centrifugal air compressor by controller
Connection, so as to save cold, such case generally uses in winter；When environment temperature is higher than a certain temperature, cooling tower comes out
Cooling water can not meet the cooling requirement of three-level centrifugal air compressor, controller then controls cold after three-level centrifugal air compressor
But device is connect with refrigeration station, further reduces compressed air enthalpy, reduces water content of compressed air, improves the work effect of drying machine
Rate.
The controller is PLC controller, selects such type controller, and control is more simple and efficient.
The cooling tower includes a packed tower and a wind turbine, coolant by heat exchange from filler column overhead into
Enter, by wind cooling temperature lowering, cooling tower is cooled down by the way of air-cooled, and increases contact of the cold air with cooling water by packed tower
Area, so that the cooling of cooling tower is more energy saving, efficient.
The temperature for the coolant that the cooling tower comes out is >=20 DEG C, and the temperature of freezing liquid stood out that freezes is 7
~15 DEG C.
Compared with prior art, the beneficial effects of the utility model are embodied in following several respects：
(1) I and II cooler is still cooled down with the cooling water after cooling tower forced convertion, ensures air compressor machine inner wall not
Condensation water is generated, ensures the safe and highly efficient operation of air compressor machine；
(2) three-level centrifugal air compressor can be used the chilled water of more low temperature and be cooled down, and reduce compressed air enthalpy, reduce pressure
Contracting air moisture content improves the working efficiency of follow-up drying machine；
(3) refrigerating mode is changed according to seasonal shift, operating cost is reduced while optimum efficiency is ensured.
Description of the drawings
Fig. 1 is the connection diagram of the system of the utility model in winter；
Fig. 2 be the utility model system the spring, the summer, Qiu Sanji connection diagram.
Wherein, 1 is three-level centrifugal air compressor for what two-stage centrifugal air compressor machine of first-stage centrifugal air compressor machine, 2, and LQS is cooling water
Feed pipe, LQH are cooling water return pipe, and LDS is chilled water feed pipe, and LDH is freezing liquid return pipe.
Specific embodiment
Elaborate below to the embodiment of the utility model, the present embodiment using technical solutions of the utility model before
It puts and is implemented, give detailed embodiment and specific operating process, but the scope of protection of the utility model is unlimited
In following embodiments.
Embodiment 1
A kind of rear cold depth cooling system for centrifugal air compressor, the cooling system include four three-level centrifugations in parallel
Pneumatics unit, three-level centrifugation pneumatics unit include first-stage centrifugal air compressor machine and two-stage centrifugal air compressor machine 1 and three-level centrifugation pneumatics
Machine 2 is connect per the outlet of level-one centrifugal air compressor with a cooler, and cooling system includes cooling tower and refrigeration station, and cold
But in tower coolant temperature higher than freezing liquid in refrigeration station temperature, with first-stage centrifugal air compressor machine and two-stage centrifugal air compressor machine 1
Two coolers of connection are connect with cooling tower, equal with the cooler that three-level centrifugal air compressor 2 is connect and cooling tower and refrigeration station
Connection, and butterfly valve is respectively equipped on connecting line, two butterfly valves can not be opened simultaneously.
This system further includes for the temperature sensor of determination of the environment temperature and connect to control with temperature sensor
The PLC controller of butterfly valve opening and closing.When environment temperature is less than a certain temperature, just have been able to meet third centrifugation using cooling water
The cooling purpose for the compressed air that air compressor machine comes out, then controlled by PLC controller the cooler after three-level centrifugal air compressor 2 with
Cooling tower connects, and so as to save cold, such case generally uses in winter, as shown in Figure 1, when environment temperature is higher than a certain temperature
When spending, the cooling water that cooling tower comes out can not meet the cooling requirement of three-level centrifugal air compressor 2, and PLC controller then controls
Cooler after three-level centrifugal air compressor 2 is connect with refrigeration station, further reduces compressed air enthalpy, and it is aqueous to reduce compressed air
Amount improves the working efficiency of drying machine, as shown in Figure 2.
Cooling tower includes a packed tower and a wind turbine, and the coolant by heat exchange enters from filler column overhead, warp
Wind cooling temperature lowering is crossed, the temperature for the coolant that cooling tower comes out is 20, and the temperature for freezing the freezing liquid stood out is 7~15 DEG C.
Claims (6)
1. a kind of rear cold depth cooling system for centrifugal air compressor, the three-level centrifugation which includes multiple parallel connections is empty
Unit is pressed, three-level centrifugation pneumatics unit includes first-stage centrifugal air compressor machine, two-stage centrifugal air compressor machine and three-level centrifugal air compressor, each
The outlet of grade centrifugal air compressor is connect with a cooler, which is characterized in that the cooling system includes cooling tower and freezing
It stands, and the temperature of coolant is higher than the temperature of freezing liquid in refrigeration station in cooling tower, with the first-stage centrifugal air compressor machine and two level
Two coolers of centrifugal air compressor connection are connect with cooling tower, the cooler being connect with the three-level centrifugal air compressor and cooling
Tower and refrigeration station are all connected with.
2. a kind of rear cold depth cooling system for centrifugal air compressor according to claim 1, which is characterized in that with institute
The cooler for stating the connection of three-level centrifugal air compressor is connect, and butterfly valve is respectively equipped on connecting line with cooling tower and refrigeration station,
Two butterfly valves can not be opened simultaneously.
3. a kind of rear cold depth cooling system for centrifugal air compressor according to claim 2, which is characterized in that described
System include for determination of the environment temperature temperature sensor and connect with temperature sensor for control butterfly valve opening and closing control
Device processed.
4. a kind of rear cold depth cooling system for centrifugal air compressor according to claim 3, which is characterized in that described
Controller is PLC controller.
5. a kind of rear cold depth cooling system for centrifugal air compressor according to claim 1, which is characterized in that described
Cooling tower includes a packed tower and a wind turbine, and the coolant by heat exchange enters from filler column overhead, by air-cooled drop
Temperature.
6. a kind of rear cold depth cooling system for centrifugal air compressor according to claim 1, which is characterized in that described
The temperature for the coolant that cooling tower comes out is >=20 DEG C, and the temperature of freezing liquid stood out that freezes is 7~15 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721584100.9U CN207500154U (en) | 2017-11-23 | 2017-11-23 | A kind of rear cold depth cooling system for centrifugal air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721584100.9U CN207500154U (en) | 2017-11-23 | 2017-11-23 | A kind of rear cold depth cooling system for centrifugal air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207500154U true CN207500154U (en) | 2018-06-15 |
Family
ID=62505994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721584100.9U Expired - Fee Related CN207500154U (en) | 2017-11-23 | 2017-11-23 | A kind of rear cold depth cooling system for centrifugal air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207500154U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050084A (en) * | 2017-11-23 | 2018-05-18 | 宁波杭州湾新区祥源动力供应有限公司 | A kind of rear cold depth cooling system for centrifugal air compressor |
-
2017
- 2017-11-23 CN CN201721584100.9U patent/CN207500154U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050084A (en) * | 2017-11-23 | 2018-05-18 | 宁波杭州湾新区祥源动力供应有限公司 | A kind of rear cold depth cooling system for centrifugal air compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180615 Termination date: 20191123 |