CN202660667U - Centralized air conditioning device using cold energy of liquefied natural gas (LNG) - Google Patents
Centralized air conditioning device using cold energy of liquefied natural gas (LNG) Download PDFInfo
- Publication number
- CN202660667U CN202660667U CN 201220296549 CN201220296549U CN202660667U CN 202660667 U CN202660667 U CN 202660667U CN 201220296549 CN201220296549 CN 201220296549 CN 201220296549 U CN201220296549 U CN 201220296549U CN 202660667 U CN202660667 U CN 202660667U
- Authority
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- Prior art keywords
- ethylene glycol
- water
- heat exchanger
- lng
- air
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Links
- 239000003949 liquefied natural gas Substances 0.000 title abstract description 39
- 238000004378 air conditioning Methods 0.000 title abstract description 5
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 109
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000003860 storage Methods 0.000 claims abstract description 24
- 238000002309 gasification Methods 0.000 claims abstract description 17
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 20
- 239000005977 Ethylene Substances 0.000 claims description 20
- 238000001816 cooling Methods 0.000 claims description 6
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 9
- 239000007789 gas Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 2
- AEDZKIACDBYJLQ-UHFFFAOYSA-N ethane-1,2-diol;hydrate Chemical compound O.OCCO AEDZKIACDBYJLQ-UHFFFAOYSA-N 0.000 abstract 2
- 238000004887 air purification Methods 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 abstract 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
A centralized air conditioning device using cold energy of liquefied natural gas (LNG) comprises an LNG storage tank, an LNG gasification system, an ethylene glycol circulation system, a cold water circulation system, a cold gas circulation system and a control system, wherein the LNG gasification system is composed of an air temperature gasifier a, an air temperature gasifier b and an LNG-ethylene glycol heat exchanger; the ethylene glycol circulation system comprises an ethylene glycol storage tank, an ethylene glycol pump a, the LNG-ethylene glycol heat exchanger, an ethylene glycol-water heater exchanger and an ethylene glycol pump b; the cold water circulation system is composed of a water pump, a water-air heat exchanger and the ethylene glycol-water heat exchanger; the cold gas circulation system is composed of the water-air heat exchanger, a fan, an air purification dehumidifier and an air conditioning room; and the control system is an electronic control cabinet. The centralized air conditioning device using cold energy of the LNG has the advantages of being clean, environment-friendly and capable of saving energy, achieving the centralized effect with low energy consumption under the premise that the LNG gasification is not influenced and having remarkable economic technological benefit and social benefit.
Description
(1) technical field
The utility model relates to liquefied natural gas (LNG) gasification station district corollary equipment, particularly a kind of centralized air-conditioner that utilizes the LNG cold energy.
(2) background technology
In the LNG gasification, the cold energy of its release can adopt direct or indirect method to be used, and theoretical value is 830 kJ/kg approximately.If the cold energy that LNG has is converted into electric power with 100% efficient, the cold energy of 1 ton of LNG is equivalent to the electric energy of 230 kWh so.Reclaim this part cold energ, not only effectively utilized the energy, and reduced a large amount of power consumption of mechanical refrigeration, have considerable economic benefit and social benefit.
(3) utility model content
The purpose of this utility model is for above-mentioned existing problems, and a kind of centralized air-conditioner that utilizes cold energy of liquefied natural gas is provided, and this device energy savings, clean environment firendly both be beneficial to the use cost that reduces LNG, had reduced again the waste of the energy.
The technical solution of the utility model:
A kind of centralized air-conditioner that utilizes the LNG cold energy, comprise the LNG storage tank, the LNG gasification system, Glycol Circulation System, cold water circulating system, cooling air circulation system and control system, the LNG gasification system is by sky temperature gasifier a, empty warm gasifier b and LNG-ethylene glycol heat exchanger form and are connected in series the formation circulation line by pipeline, pipeline between sky temperature gasifier a and empty temperature gasifier b is provided with the gas outlet pipeline and is provided with safety valve, the LNG of this circulation line walks in the pipe in LNG-ethylene glycol heat exchanger, pipeline between sky temperature gasifier a and LNG-ethylene glycol heat exchanger is provided with quick action emergency valve a and stop valve a, and the outlet conduit of LNG storage tank is from the access of the pipeline between quick action emergency valve a and the stop valve a and be provided with stop valve b; Glycol Circulation System comprises the ethylene glycol storage tank, eg pump a, LNG-ethylene glycol heat exchanger, ethylene glycol-water-to-water heat exchanger and eg pump b also connect and compose two circulation lines by pipeline, ethylene glycol storage tank wherein, eg pump a and LNG-ethylene glycol heat exchanger consist of series loop and are provided with quick action emergency valve b, the ethylene glycol of this series loop is walked outside the pipe in LNG-ethylene glycol heat exchanger, the ethylene glycol storage tank, ethylene glycol-water-to-water heat exchanger and eg pump b consist of another series loop and are provided with quick action emergency valve c, the ethylene glycol of this series loop is walked in ethylene glycol-water-to-water heat exchanger in the pipe, is provided with temperature sensor a at the inlet pipeline of ethylene glycol storage tank; Cold water circulating system is by water pump, water-air heat exchanger and ethylene glycol-water-to-water heat exchanger forms and be connected in series by pipeline and consist of circulation line, the cold water of this circulation line is walked in the pipe in the water-air heat exchanger, is walked in ethylene glycol-water-to-water heat exchanger outside the pipe, and the pipeline between ethylene glycol-water-to-water heat exchanger and water-air heat exchanger is provided with temperature sensor b; Cooling air circulation system is by water-air heat exchanger, blower fan, air cleaning dehumidifier and air-conditioned room forms and be connected in series by pipeline and consist of circulation line, the cold air of this circulation line is walked outside the pipe in the water-air heat exchanger, is provided with temperature sensor c at air-conditioned room; Control system is electrical control cubicles, and quick action emergency valve a, temperature sensor a, eg pump a, eg pump b, quick action emergency valve b, quick action emergency valve c, water pump, temperature sensor a, temperature sensor b are connected by wire with temperature sensor c and are connected with electrical control cubicles.
Workflow of the present utility model:
LNG is divided into two-way, and one road LNG enters empty temperature gasifier a gasification and is through stop valve and gas outlet pipeline, to enter urban pipe network by the natural gas of normal temperature, finishes the gasification of LNG; Another road LNG enters LNG-ethylene glycol heat exchanger and ethylene glycol heat exchange, and gasification rises to normal temperature by sky temperature gasifier b re-heat, mixes with natural gas in the former LNG gasification system again, finally sends into urban pipe network.By the switching controls of eg pump a and quick action emergency valve b and eg pump b and quick action emergency valve c, can be with cold storage in storage tank, enter ethylene glycol-water-to-water heat exchanger after when the user needs cold energy, boosting by eg pump b.Last water-air heat exchanger obtains cold energy cooling-air to 5 ℃～about 15 ℃ by water pump, and air is processed and laggardly entered indoorly through purifying dehumidifier, finishes kind of refrigeration cycle.
The scope of application of the present utility model is: middle-size and small-size LNG gasification station.
Advantage of the present utility model: this device has the two-fold advantage of clean environment firendly and energy savings, under the prerequisite that does not affect the LNG gasification, the effect of having finished centralized air-conditioning of low power consuming meets the energy and environmental protection policy, has significant economical and technical benefit and far-reaching social benefit.
(4) description of drawings
Accompanying drawing is that this LNG cold energy use is in the centralized air-conditioner schematic flow sheet.
Among the figure: 1.LNG storage tank 2. empty temperature gasifier a 3. empty temperature gasifier b 4.LNG-ethylene glycol heat exchanger 5. gas outlet pipelines 6. safety valves 7. quick action emergency valve a 8. stop valve a 9. stop valve b 10. ethylene glycol storage tanks 11. eg pump a 12. ethylene glycol-water-to-water heat exchanger 13. eg pump b
14. quick action emergency valve b 15. quick action emergency valve c 16. water pumps 17. water-air heat exchangers
18. temperature sensor b 19. blower fans 20. air cleaning dehumidifiers 21. air-conditioned rooms
22. temperature sensor c 23. electrical control cubicles 24. temperature sensor a
(5) specific embodiment
Embodiment:
A kind of centralized air-conditioner that utilizes the LNG cold energy, comprise LNG storage tank 1, the LNG gasification system, Glycol Circulation System, cold water circulating system, cooling air circulation system and control system, the LNG gasification system is by sky temperature gasifier a 2, empty warm gasifier b 3 and LNG-ethylene glycol heat exchanger 4 form and are connected in series the formation circulation line by pipeline, pipeline between sky temperature gasifier a 2 and empty temperature gasifier b 3 is provided with gas outlet pipeline 5 and is provided with safety valve 6, the LNG of this circulation line walks in the pipe in LNG-ethylene glycol heat exchanger 4, pipeline between sky temperature gasifier a 2 and LNG-ethylene glycol heat exchanger 4 is provided with quick action emergency valve a 7 and stop valve a 8, and the outlet conduit of LNG storage tank 1 is from the access of the pipeline between quick action emergency valve a 7 and the stop valve a 8 and be provided with stop valve b 9; Glycol Circulation System comprises ethylene glycol storage tank 10, eg pump a 11, LNG-ethylene glycol heat exchanger 4, ethylene glycol-water-to-water heat exchanger 12 and eg pump b 13 also connect and compose two circulation lines by pipeline, wherein the ethylene glycol storage tank 10, eg pump a 11 and LNG-ethylene glycol heat exchanger 4 consist of series loop and are provided with quick action emergency valve b 14, the ethylene glycol of this series loop is walked outside the pipe in LNG-ethylene glycol heat exchanger 4, ethylene glycol storage tank 10, ethylene glycol-water-to-water heat exchanger 12 and eg pump b 13 consist of another series loop and are provided with quick action emergency valve c 15, the ethylene glycol of this series loop is walked in the pipe in ethylene glycol-water-to-water heat exchanger 12, is provided with temperature sensor a 24 at the inlet pipeline of ethylene glycol storage tank 10; Cold water circulating system is comprised of water pump 16, water-air heat exchanger 17 and ethylene glycol-water-to-water heat exchanger 12 and is connected in series by pipeline and consists of circulation line, the cold water of this circulation line is walked in the pipe in water-air heat exchanger 17, is walked outside the pipe in ethylene glycol-water-to-water heat exchanger 12, and the pipeline between ethylene glycol-water-to-water heat exchanger 12 and water-air heat exchanger 17 is provided with temperature sensor b 18; Cooling air circulation system is comprised of water-air heat exchanger 17, blower fan 19, air cleaning dehumidifier 20 and air-conditioned room 21 and is connected in series by pipeline and consists of circulation line, the cold air of this circulation line is walked outside the pipe in water-air heat exchanger 17, and 21 places are provided with temperature sensor c 22 at air-conditioned room; Control system is electrical control cubicles 23, and quick action emergency valve a 7, eg pump a11, eg pump b13, quick action emergency valve b14, quick action emergency valve c 15, water pump 16, temperature sensor a24, temperature sensor b18 and temperature sensor c22 are connected by wire and are connected with electrical control cubicles 23.
Among this embodiment, air-heating type gasifier adopts domestic Suzhou new master's HAV-500 and HAV-100; Heat exchanger adopts the stainless heat exchanger corrosion-resistant, that heat transfer efficiency is high, and heat transfer tubulation specification is φ 25 * 3, material 304; Eg pump and stop valve adopt Nanjing green ring pump valve Manufacturing Co., Ltd, and model is respectively CQB40-25-160F and JQ40-25F; Temperature sensor adopts Samsung's product, and model is PT100 L=45; The HPT-III product that electrical control cubicles adopts Tianjin China to step; Blower fan adopts the KTF40-1600 type product of Nantong, Jiangsu Province safe and sound blower fan Co., Ltd.
Claims (1)
1. centralized air-conditioner that utilizes the LNG cold energy, it is characterized in that: comprise the LNG storage tank, the LNG gasification system, Glycol Circulation System, cold water circulating system, cooling air circulation system and control system, the LNG gasification system is by sky temperature gasifier a, empty warm gasifier b and LNG-ethylene glycol heat exchanger form and are connected in series the formation circulation line by pipeline, pipeline between sky temperature gasifier a and empty temperature gasifier b is provided with the gas outlet pipeline and is provided with safety valve, the LNG of this circulation line walks in the pipe in LNG-ethylene glycol heat exchanger, pipeline between sky temperature gasifier a and LNG-ethylene glycol heat exchanger is provided with quick action emergency valve a and stop valve a, and the outlet conduit of LNG storage tank is from the access of the pipeline between quick action emergency valve a and the stop valve a and be provided with stop valve b; Glycol Circulation System comprises the ethylene glycol storage tank, eg pump a, LNG-ethylene glycol heat exchanger, ethylene glycol-water-to-water heat exchanger and eg pump b also connect and compose two circulation lines by pipeline, ethylene glycol storage tank wherein, eg pump a and LNG-ethylene glycol heat exchanger consist of series loop and are provided with quick action emergency valve b, the ethylene glycol of this series loop is walked outside the pipe in LNG-ethylene glycol heat exchanger, the ethylene glycol storage tank, ethylene glycol-water-to-water heat exchanger and eg pump b consist of another series loop and are provided with quick action emergency valve c, the ethylene glycol of this series loop is walked in ethylene glycol-water-to-water heat exchanger in the pipe, is provided with temperature sensor a at the inlet pipeline of ethylene glycol storage tank; Cold water circulating system is by water pump, water-air heat exchanger and ethylene glycol-water-to-water heat exchanger forms and be connected in series by pipeline and consist of circulation line, the cold water of this circulation line is walked in the pipe in the water-air heat exchanger, is walked in ethylene glycol-water-to-water heat exchanger outside the pipe, and the pipeline between ethylene glycol-water-to-water heat exchanger and water-air heat exchanger is provided with temperature sensor b; Cooling air circulation system is by water-air heat exchanger, blower fan, air cleaning dehumidifier and air-conditioned room forms and be connected in series by pipeline and consist of circulation line, the cold air of this circulation line is walked outside the pipe in the water-air heat exchanger, is provided with temperature sensor c at air-conditioned room; Control system is electrical control cubicles, and quick action emergency valve a, temperature sensor a, eg pump a, eg pump b, quick action emergency valve b, quick action emergency valve c, water pump, temperature sensor a, temperature sensor b are connected by wire with temperature sensor c and are connected with electrical control cubicles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220296549 CN202660667U (en) | 2012-06-25 | 2012-06-25 | Centralized air conditioning device using cold energy of liquefied natural gas (LNG) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220296549 CN202660667U (en) | 2012-06-25 | 2012-06-25 | Centralized air conditioning device using cold energy of liquefied natural gas (LNG) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202660667U true CN202660667U (en) | 2013-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220296549 Expired - Fee Related CN202660667U (en) | 2012-06-25 | 2012-06-25 | Centralized air conditioning device using cold energy of liquefied natural gas (LNG) |
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| Country | Link |
|---|---|
| CN (1) | CN202660667U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444309A (en) * | 2015-12-31 | 2016-03-30 | 成都华气厚普机电设备股份有限公司 | Air conditioner and refrigeratory system for LNG ship |
| CN106288082A (en) * | 2016-08-23 | 2017-01-04 | 庹华明 | A kind of industry liquid nitrogen cold recovery system |
| CN115789808A (en) * | 2022-09-08 | 2023-03-14 | 顺德职业技术学院 | Air conditioning system relying on LNG cold energy air separation device and refrigeration method thereof |
-
2012
- 2012-06-25 CN CN 201220296549 patent/CN202660667U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444309A (en) * | 2015-12-31 | 2016-03-30 | 成都华气厚普机电设备股份有限公司 | Air conditioner and refrigeratory system for LNG ship |
| CN105444309B (en) * | 2015-12-31 | 2018-06-19 | 成都华气厚普机电设备股份有限公司 | A kind of LNG ship air-conditioning and jelly library system |
| CN106288082A (en) * | 2016-08-23 | 2017-01-04 | 庹华明 | A kind of industry liquid nitrogen cold recovery system |
| CN115789808A (en) * | 2022-09-08 | 2023-03-14 | 顺德职业技术学院 | Air conditioning system relying on LNG cold energy air separation device and refrigeration method thereof |
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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: 20130109 Termination date: 20160625 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |