CN204693948U - A kind of air separation unit cold box system - Google Patents
A kind of air separation unit cold box system Download PDFInfo
- Publication number
- CN204693948U CN204693948U CN201520263744.2U CN201520263744U CN204693948U CN 204693948 U CN204693948 U CN 204693948U CN 201520263744 U CN201520263744 U CN 201520263744U CN 204693948 U CN204693948 U CN 204693948U
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- CN
- China
- Prior art keywords
- heat exchanger
- air
- valve
- water
- lithium bromide
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000000926 separation method Methods 0.000 title claims abstract description 16
- AMXOYNBUYSYVKV-UHFFFAOYSA-M Lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 238000007710 freezing Methods 0.000 claims abstract description 28
- 239000000498 cooling water Substances 0.000 claims abstract description 19
- 238000001816 cooling Methods 0.000 abstract description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 210000000038 chest Anatomy 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000002093 peripheral Effects 0.000 description 2
- 210000004556 Brain Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005183 dynamical system Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Abstract
A kind of air separation unit cold box system, belongs to cooling system technical field.It comprises emptying device, air compressor, air compressor connects heat exchanger, air is pressed in heat exchanger, heat exchanger connects the freezing unit of lithium bromide, heat exchanger top is provided with Cryogenic air outlet, the freezing unit of lithium bromide is arranged recirculated water water inlet, sub-cooled water out, hot water inlet and hot water outlet, sub-cooled water out connects heat exchanger by pipeline, hot water in the freezing unit of lithium bromide by circulating water to low-temperature cooling water, the heat exchange in heat exchanger of low-temperature cooling water and air, to air cooling-down, connecting pipe is provided with valve.The utility model, by adopting above-mentioned technology, uses heat exchanger to coordinate with the freezing unit of lithium bromide, reduce the cost of investment of air cooling tower, water-cooling tower, water pump, freon etc., and reduce the energy, and its controllability is good, homogeneous temperature, is suitable for applying.
Description
Technical field
The utility model belongs to cooling system technical field, is specifically related to that a kind of cost is low, economic benefit and the good air separation unit cold box system of social benefit.
Background technology
A current sky point field ice chest peripheral system mainly comprises: dynamical system, cleaning system, refrigeration system, product delivery system, liquid storage system, control system etc.In ice chest peripheral system used at present, air temperature after overcompression is about 40 DEG C, enter air cooling compressor by directly contact with cooling water lower the temperature after temperature reach 12 DEG C and enter molecular sieve system and purify, this cooling water is first cooled to low temperature by high pure nitrogen, carry out heat exchange with air again, so not only need air cooling compressor and water cooling tower, but also need the nitrogen using high cost, improve cost, and the operation stability of its air separation unit is not high.
Utility model content
For the above-mentioned problems in the prior art, the purpose of this utility model is to provide that a kind of cost is low, economic benefit and the good air separation unit cold box system of social benefit.
Described a kind of air separation unit cold box system, comprise emptying device, air compressor, it is characterized in that described air compressor connects heat exchanger, air is pressed in heat exchanger, described heat exchanger connects the freezing unit of lithium bromide, heat exchanger top is provided with Cryogenic air outlet, the freezing unit of described lithium bromide arranges recirculated water water inlet, sub-cooled water out, hot water inlet and hot water outlet, sub-cooled water out connects heat exchanger by pipeline, hot water in the freezing unit of lithium bromide by circulating water to low-temperature cooling water, the heat exchange in heat exchanger of low-temperature cooling water and air, to air cooling-down, connecting pipe is provided with valve.
Described a kind of air separation unit cold box system, the connecting pipe that it is characterized in that described hot water inlet arranges electrically-controlled valve, the connecting pipe of described sub-cooled water out is arranged electronics temperature thermo detector, described electrically-controlled valve is connected with electronics temperature thermo detector, for controlling the cooling water temperature of sub-cooled water out.
Described a kind of air separation unit cold box system, the connecting pipe that it is characterized in that described air compressor and heat exchanger arranges the first valve and the second valve, and the first described valve and the second valve in parallel are between air compressor and heat exchanger.
Described a kind of air separation unit cold box system, the connecting pipe that it is characterized in that described heat exchanger and the freezing unit of lithium bromide arranges the 3rd valve and the 4th valve, and the 3rd described valve and the 4th valve in parallel are between heat exchanger and the freezing unit of lithium bromide.
Above-mentioned a kind of air separation unit cold box system, comprise emptying device, air compressor, air compressor connects heat exchanger, air is pressed in heat exchanger, heat exchanger connects the freezing unit of lithium bromide, heat exchanger top is provided with Cryogenic air outlet, the freezing unit of lithium bromide arranges recirculated water water inlet, sub-cooled water out, hot water inlet and hot water outlet, sub-cooled water out connects heat exchanger by pipeline, hot water in the freezing unit of lithium bromide by circulating water to low-temperature cooling water, the heat exchange in heat exchanger of low-temperature cooling water and air, to air cooling-down, connecting pipe is provided with valve.The utility model, by adopting above-mentioned technology, uses heat exchanger to coordinate with the freezing unit of lithium bromide, reduce the cost of investment of air cooling tower, water-cooling tower, water pump, freon etc., and reduce the energy, and its controllability is good, homogeneous temperature, is suitable for applying.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1-emptying device, 2-air compressor, 3-first valve, 4-second valve, the freezing unit of 5-lithium bromide, 6-the 3rd valve, 7-the 4th valve, 8-heat exchanger, 9-electrically-controlled valve, 10-electronics temperature thermo detector, 11-the 5th valve.
Detailed description of the invention
Below in conjunction with Figure of description, the utility model will be further described, but protection domain of the present utility model is not limited in this:
As shown in Figure 1, a kind of air separation unit cold box system of the present utility model, comprise emptying device 1, air compressor 2, air compressor 2 connects heat exchanger 8, air is pressed in heat exchanger 8, described heat exchanger 8 connects the freezing unit 5 of lithium bromide, heat exchanger 8 top is provided with Cryogenic air outlet, bottom arranges cooling water water return outlet, the freezing unit 5 of lithium bromide adopts the operation principle of lithium bromide refrigerator, the freezing unit 5 of lithium bromide arranges recirculated water water inlet, sub-cooled water out, hot water inlet and hot water outlet, the water of about 30 DEG C enters the freezing unit 5 of lithium bromide through recirculated water water inlet, hot water enters the freezing unit 5 of lithium bromide through hot water inlet simultaneously, water is cooled, hot water flows out from hot water outlet again, the cooling water that cooling degree is about 7 DEG C enters heat exchanger 8 through sub-cooled water out, heat exchange is carried out with the air entered from air compressor 2, flow out from Cryogenic air outlet after about air cooling-down to 12 DEG C, carry out purification system, the cooling water heated up is discharged from cooling water water return outlet.
About 7 DEG C can be maintained all the time to bromizate the freezing unit 5 of lithium cooling water temperature out, the utility model arranges electrically-controlled valve 9 in the connecting pipe of hot water inlet, between electrically-controlled valve 9 and the freezing unit 5 of lithium bromide, the 5th valve 11 is set, the connecting pipe of sub-cooled water out is arranged electronics temperature thermo detector 10, described electrically-controlled valve 9 is connected with electronics temperature thermo detector 10, the temperature feedback recorded by electronics temperature thermo detector 10 is to electrically-controlled valve 9, the flow of hot water is controlled by electrically-controlled valve 9, thus control the cooling water temperature of sub-cooled water out
As shown in the figure, the utility model arranges the first valve 3 and the second valve 4 on air compressor 2 with the connecting pipe of heat exchanger 8, the first described valve 3 and the second valve 4 are connected in parallel between air compressor 2 and heat exchanger 8, heat exchanger 8 and the connecting pipe of the freezing unit 5 of lithium bromide arrange the 3rd valve 6 and the 4th valve 7, the 3rd described valve 6 and the 4th valve 7 are connected in parallel between heat exchanger 8 and the freezing unit 5 of lithium bromide, second valve 4, for improve after pressure to rear pipe network tonifying Qi at air compressor machine, opens the 4th valve 7 when pressure reduction is consistent before and after the 4th valve 7; 5th valve 11 is for controlling lithium bromide cooling-water machine group 5 stable in outlet water temperature at 7 degree, robot brain group refrigerating capacity, the effect air compressor machine of the second valve 4 improves the backward rear pipe network tonifying Qi of pressure, opens the first valve 3 when pressure reduction is consistent before and after the first valve 3, ensures the safety operation of whole system.
Claims (4)
1. an air separation unit cold box system, comprise emptying device (1), air compressor (2), it is characterized in that described air compressor (2) connects heat exchanger (8), air is pressed in heat exchanger (8), described heat exchanger (8) connects the freezing unit of lithium bromide (5), heat exchanger (8) top is provided with Cryogenic air outlet, the freezing unit of described lithium bromide (5) arranges recirculated water water inlet, sub-cooled water out, hot water inlet and hot water outlet, sub-cooled water out connects heat exchanger (8) by pipeline, hot water in the freezing unit of lithium bromide (5) by circulating water to low-temperature cooling water, low-temperature cooling water and air heat exchange in heat exchanger (8), to air cooling-down, connecting pipe is provided with valve.
2. a kind of air separation unit cold box system according to claim 1, the connecting pipe that it is characterized in that described hot water inlet arranges electrically-controlled valve (9), the connecting pipe of described sub-cooled water out is arranged electronics temperature thermo detector (10), described electrically-controlled valve (9) is connected with electronics temperature thermo detector (10), for controlling the cooling water temperature of sub-cooled water out.
3. a kind of air separation unit cold box system according to claim 1, it is characterized in that described air compressor (2) and the connecting pipe of heat exchanger (8) arrange the first valve (3) and the second valve (4), described the first valve (3) and the second valve (4) are connected in parallel between air compressor (2) and heat exchanger (8).
4. a kind of air separation unit cold box system according to claim 1, it is characterized in that described heat exchanger (8) and the connecting pipe of the freezing unit of lithium bromide (5) arrange the 3rd valve (6) and the 4th valve (7), the 3rd described valve (6) and the 4th valve (7) are connected in parallel between heat exchanger (8) and the freezing unit of lithium bromide (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520263744.2U CN204693948U (en) | 2015-04-28 | 2015-04-28 | A kind of air separation unit cold box system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520263744.2U CN204693948U (en) | 2015-04-28 | 2015-04-28 | A kind of air separation unit cold box system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204693948U true CN204693948U (en) | 2015-10-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520263744.2U Active CN204693948U (en) | 2015-04-28 | 2015-04-28 | A kind of air separation unit cold box system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204693948U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111608886A (en) * | 2020-04-09 | 2020-09-01 | 扬州秦风气体有限公司 | Air inlet cooling system and method for air separation air compressor |
-
2015
- 2015-04-28 CN CN201520263744.2U patent/CN204693948U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111608886A (en) * | 2020-04-09 | 2020-09-01 | 扬州秦风气体有限公司 | Air inlet cooling system and method for air separation air compressor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |