CN204062465U - A kind of flashed vapour recovering device - Google Patents
A kind of flashed vapour recovering device Download PDFInfo
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- CN204062465U CN204062465U CN201420401929.0U CN201420401929U CN204062465U CN 204062465 U CN204062465 U CN 204062465U CN 201420401929 U CN201420401929 U CN 201420401929U CN 204062465 U CN204062465 U CN 204062465U
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- liquid
- compression device
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- flashed vapour
- discharging tube
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Abstract
The utility model belongs to gas concentration unit field, particularly relate to a kind of flashed vapour recovering device, comprise low-temperature liquid storage tank, outlet pipe, air valve, Ethylene recov pipe, liquid recovery tank, be flexible coupling, reclaim tracheae, first liquid-discharging tube, second liquid-discharging tube, the pump housing, vaporizer and compressor, described compressor comprises baffle-box, one stage of compression device, flash tank, two-stage compression device, condenser and conduit, described low-temperature liquid storage tank connects the baffle-box of compressor by outlet pipe, described outlet pipe is provided with air valve, the other end of described baffle-box is by tubes connection one stage of compression device, the other end of described one stage of compression device is by tubes connection flash tank, the other end of described flash tank is by tubes connection two-stage compression device, the other end of described two-stage compression device is by tubes connection condenser.The utility model provides the flashed vapour recovering device that a kind of flashed vapour discharge capacity is many, condensation of gas efficiency is high, safety coefficient is high.
Description
Technical field
The utility model belongs to gas concentration unit field, particularly relates to a kind of flashed vapour recovering device.
Background technique
At present, colourless as one, tasteless, the nontoxic and free from corrosion clean fuel energy of rock gas is widely used, and the most typical banking system of rock gas be natural gas via is compressed, be cooled to its boiling temperature after become liquid, the LNG storage of formation-161.5 degrees Celsius, in the low-temperature liquid storage tank of about 0.1MPa.Low-temperature liquid storage tank is in storage or running, due to tank skin or process pipelines etc. and the heat exchange in the external world, in low-temperature liquid storage tank, liquid can partly absorb heat evaporation, the steam formed just is called flashed vapour, along with the flashed vapour that volatilizees in low-temperature liquid storage tank increases, low-temperature liquid storage tank internal pressure constantly rises, and for maintaining low-temperature liquid storage tank pressure in allowed limits, needs to recycle flashed vapour.The flashed vapour recovering device of prior art comprises low-temperature liquid storage tank, reduction valve, condenser, after the flashed vapour of generation is delivered to condenser condenses by reduction valve, then enters low-temperature liquid storage tank and stores.But during practical application there is following shortcoming in this flashed vapour recovering device:
1, reduction valve is utilized automatically to get rid of flashed vapour according to the pressure change between the low-temperature liquid storage tank storage life, may occur that the flash distillation tolerance of discharging in low-temperature liquid storage tank is few, it is excessive that some flashed vapour is trapped in build-up of pressure in low-temperature liquid storage tank, there is potential safety hazard.
2, directly to be congealed into by gas cold liquid by condenser, may there is the insufficient of condensation of gas and again enter in low-temperature liquid storage tank with liquid, condensation of gas efficiency is low, and safety coefficient is high.
Summary of the invention
Main purpose of the present utility model is to solve problems of the prior art, provides the flashed vapour recovering device that a kind of flashed vapour discharge capacity is many, condensation of gas efficiency is high, safety coefficient is high.
The technical problem that the utility model solves realizes by the following technical solutions:
A kind of flashed vapour recovering device, comprises low-temperature liquid storage tank, outlet pipe, air valve, Ethylene recov pipe, liquid recovery tank, be flexible coupling, reclaim tracheae, first liquid-discharging tube, second liquid-discharging tube, the pump housing, vaporizer and compressor, described compressor comprises baffle-box, one stage of compression device, flash tank, two-stage compression device, condenser and conduit, described low-temperature liquid storage tank connects the baffle-box of compressor by outlet pipe, described outlet pipe is provided with air valve, the other end of described baffle-box is by tubes connection one stage of compression device, the other end of described one stage of compression device is by tubes connection flash tank, the other end of described flash tank is by tubes connection two-stage compression device, the other end of described two-stage compression device is by tubes connection condenser, described condenser is connected by the liquid recovery tank of Ethylene recov pipe with compressor outside, described Ethylene recov pipe is provided with and is flexible coupling, described Ethylene recov pipe side connects reclaims tracheae, the described recovery tracheae the other end is connected with exhaust pipe side face, described liquid recovery tank is connected to the first liquid-discharging tube side by the second liquid-discharging tube, the two ends of described first liquid-discharging tube connect low-temperature liquid storage tank and vaporizer respectively, described the first liquid-discharging tube near vaporizer is provided with the pump housing.
Described air valve is can the valve of adjusting gas flow.
Described condenser is water cooled condenser.
Describedly to be flexible coupling for rubber is flexible coupling.
The described pump housing is high-pressure service pump.
The beneficial effects of the utility model are:
1, this design utilizing compressor inner structure to realize flashed vapour recovery of the present utility model, by compressor, the flashed vapour in low-temperature liquid storage tank is delivered to the baffle-box of compressor inside, this power mode of movement the flashed vapour in low-temperature liquid storage tank can be made to transmit more thoroughly, discharge capacity is more; And the flashed vapour existed in the condensed liquid of compressor internal condensation device can circulate enter again compressor recycling, improve the condensation efficiency of flashed vapour, avoid the potential safety hazard that flashed vapour enters low-temperature liquid storage tank again.
2, condenser of the present utility model is water cooled condenser, and the circulating water mode refrigerating speed of water cooled condenser is fast, and cooling medium is easy to control, and water pipe easy cleaning is safeguarded.
3, air valve of the present utility model is can the valve of adjusting gas flow, valve how many and pressure size can regulate the gas flow of discharge voluntarily according to the flashed vapour in low-temperature liquid storage tank, when avoiding occurring that flashed vapour in low-temperature liquid storage tank is less, the gas flow of valve regulated is excessive, thus causes compressor to absorb liquid in a large amount of low-temperature liquid storage tank to enter baffle-box.
4, be of the present utility modelly flexible coupling for rubber is flexible coupling, when the compressor is operating, rubber is flexible coupling and can reduces Ethylene recov tube vibration and noise, prevents Ethylene recov pipe to shatter damage.
5, the pump housing of the present utility model is high-pressure service pump, the feature that high-pressure service pump has that noise is low, the life-span is long, response is fast, transfer capability is strong, so the great efforts of high-pressure service pump transporting low temperature liquid container and liquids recovery pot liquid, efficiency are high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1-low-temperature liquid storage tank, 2-outlet pipe, 3-air valve, 4-Ethylene recov pipe, 5-liquid recovery tank, 6-is flexible coupling, 7-reclaims tracheae, 8-first liquid-discharging tube, 9-second liquid-discharging tube, the 10-pump housing, 11-vaporizer, 12-compressor, 13-baffle-box, 14-one stage of compression device, 15-flash tank, 16-two-stage compression device, 17-condenser, 18-conduit.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
Embodiment:
As shown in Figure 1, the present embodiment comprises low-temperature liquid storage tank 1, outlet pipe 2, air valve 3, Ethylene recov pipe 4, liquid recovery tank 5, be flexible coupling 6, reclaim tracheae 7, first liquid-discharging tube 8, second liquid-discharging tube 9, the pump housing 10, vaporizer 11 and compressor 12, compressor 12 comprises baffle-box 13, one stage of compression device 14, flash tank 15, two-stage compression device 16, condenser 17 and conduit 18, low-temperature liquid storage tank 1 connects the baffle-box 13 of compressor 12 by outlet pipe 2, outlet pipe 2 is provided with air valve 3, air valve 3 is can the valve of adjusting gas flow, the other end of baffle-box 13 connects one stage of compression device 14 by conduit 18, the other end of one stage of compression device 14 connects flash tank 15 by conduit 18, the other end of flash tank 15 connects two-stage compression device 16 by conduit 18, the other end of two-stage compression device 16 connects condenser 17 by conduit 18, condenser 17 is connected by the liquid recovery tank 5 of Ethylene recov pipe 4 with compressor 12 outside, condenser 17 is water cooled condenser, Ethylene recov pipe 4 is provided with and is flexible coupling 6, be flexible coupling and 6 be flexible coupling for rubber, Ethylene recov pipe 4 side connects reclaims tracheae 7, reclaim tracheae 7 the other end to be connected with outlet pipe 2 side, liquid recovery tank 5 is connected to the first liquid-discharging tube 8 side by the second liquid-discharging tube 9, the two ends of the first liquid-discharging tube 8 connect low-temperature liquid storage tank 1 and vaporizer 11 respectively, the first liquid-discharging tube 8 near vaporizer 11 is provided with the pump housing 10, the pump housing 10 is high-pressure service pump.
During work, start compressor 12, the air valve 3 on outlet pipe 2 how much is regulated to control flashed vapour discharge flow rate according to flashed vapour in low-temperature liquid storage tank 1, compressor 12 carries flashed vapour to the baffle-box 13 of compressor 12 inside by outlet pipe 2, after buffering, flashed vapour is delivered to one stage of compression device 14 import, inlet pressure is baffle-box 13 pressure, temperature is usually between-l0 DEG C to-20 DEG C, after one stage of compression, flashed vapour pressure is between 0.3MPa to 0.35MPa, temperature is upgraded between 50 DEG C to 60 DEG C, one stage of compression device 14 outlet enters flash tank 15, flashed vapour temperature after flash distillation is down to about 0 DEG C, enter two-stage compression device 16 entrance again, after two-stage compression, temperature is upgraded between 60 DEG C to 90 DEG C, pressure rises to about 1.5MPa, flashed vapour now enters people's condenser 17, liquid is liquefied as after heat exchange, liquid carries the liquid recovery tank 5 of compressor 12 outside by Ethylene recov pipe 4, on Ethylene recov pipe 4 be flexible coupling 6 prevent Ethylene recov pipe 4 with compressor vibrations and shatter, in Ethylene recov pipe 4, the flashed vapour of not fully condensation is delivered to outlet pipe 2 by the recovery tracheae 7 on Ethylene recov pipe 4 side, again enter compressor 12 and carry out compression condensation, liquid in liquid recovery tank 5 is delivered to the first liquid-discharging tube 8 of low-temperature liquid storage tank 1 by the second liquid-discharging tube 9, the pump housing 10 on first liquid-discharging tube 8 by the Liquid transfer in the first liquid-discharging tube 8 to vaporizer 11, liquid is become gas by vaporizer 11, use with for civilian use and work.
Utilize technological scheme described in the utility model, or those skilled in the art being under the inspiration of technical solutions of the utility model, designing similar technological scheme, and reach above-mentioned technique effect, is all fall into protection domain of the present utility model.
Claims (5)
1. a flashed vapour recovering device, is characterized in that: comprise low-temperature liquid storage tank, outlet pipe, air valve, Ethylene recov pipe, liquid recovery tank, be flexible coupling, reclaim tracheae, first liquid-discharging tube, second liquid-discharging tube, the pump housing, vaporizer and compressor, described compressor comprises baffle-box, one stage of compression device, flash tank, two-stage compression device, condenser and conduit, described low-temperature liquid storage tank connects the baffle-box of compressor by outlet pipe, described outlet pipe is provided with air valve, the other end of described baffle-box is by tubes connection one stage of compression device, the other end of described one stage of compression device is by tubes connection flash tank, the other end of described flash tank is by tubes connection two-stage compression device, the other end of described two-stage compression device is by tubes connection condenser, described condenser is connected by the liquid recovery tank of Ethylene recov pipe with compressor outside, described Ethylene recov pipe is provided with and is flexible coupling, described Ethylene recov pipe side connects reclaims tracheae, the described recovery tracheae the other end is connected with exhaust pipe side face, described liquid recovery tank is connected to the first liquid-discharging tube side by the second liquid-discharging tube, the two ends of described first liquid-discharging tube connect low-temperature liquid storage tank and vaporizer respectively, described the first liquid-discharging tube near vaporizer is provided with the pump housing.
2. a kind of flashed vapour recovering device according to claim 1, is characterized in that: described air valve is can the valve of adjusting gas flow.
3. a kind of flashed vapour recovering device according to claim 1, is characterized in that: described condenser is water cooled condenser.
4. a kind of flashed vapour recovering device according to claim 1, is characterized in that: described in be flexible coupling for rubber is flexible coupling.
5. a kind of flashed vapour recovering device according to claim 1, is characterized in that: the described pump housing is high-pressure service pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420401929.0U CN204062465U (en) | 2014-07-18 | 2014-07-18 | A kind of flashed vapour recovering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420401929.0U CN204062465U (en) | 2014-07-18 | 2014-07-18 | A kind of flashed vapour recovering device |
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| Publication Number | Publication Date |
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| CN204062465U true CN204062465U (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420401929.0U Expired - Fee Related CN204062465U (en) | 2014-07-18 | 2014-07-18 | A kind of flashed vapour recovering device |
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| CN (1) | CN204062465U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696700A (en) * | 2015-03-11 | 2015-06-10 | 新奥气化采煤有限公司 | Methane gas recycling system and methane gas recycling method |
| CN104713310A (en) * | 2015-03-11 | 2015-06-17 | 新奥气化采煤有限公司 | Methane gas recycling system and recycling control method |
| CN104819379A (en) * | 2015-04-21 | 2015-08-05 | 新奥气化采煤有限公司 | Methane gas recovery system and recovery control method |
| CN104832782A (en) * | 2015-05-21 | 2015-08-12 | 新奥气化采煤有限公司 | Compressed methane gas recovery control system and method |
| CN104832783A (en) * | 2015-04-21 | 2015-08-12 | 新奥气化采煤有限公司 | Methane gas recovery system and recovery method |
| CN104833173A (en) * | 2015-04-21 | 2015-08-12 | 新奥气化采煤有限公司 | Methane gas recovery system and recovery method |
| CN104832785A (en) * | 2015-05-21 | 2015-08-12 | 新奥气化采煤有限公司 | Compressed methane gas recovery system and method |
| CN105042327A (en) * | 2015-07-02 | 2015-11-11 | 新奥气化采煤有限公司 | Methane gas recycling system and recycling method |
| CN105486030A (en) * | 2015-08-24 | 2016-04-13 | 新奥气化采煤有限公司 | Methane gas recycling system and control method |
| CN106705308A (en) * | 2017-02-03 | 2017-05-24 | 江苏乐科节能科技股份有限公司 | Mechanical flash type air conditioning refrigeration system and working method thereof |
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2014
- 2014-07-18 CN CN201420401929.0U patent/CN204062465U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104713310A (en) * | 2015-03-11 | 2015-06-17 | 新奥气化采煤有限公司 | Methane gas recycling system and recycling control method |
| CN104713310B (en) * | 2015-03-11 | 2018-01-12 | 新奥科技发展有限公司 | Methane gas recovery system and recycling and control method |
| CN104696700A (en) * | 2015-03-11 | 2015-06-10 | 新奥气化采煤有限公司 | Methane gas recycling system and methane gas recycling method |
| CN104819379B (en) * | 2015-04-21 | 2017-11-07 | 新奥科技发展有限公司 | Methane gas recovery system and recycling and control method |
| CN104819379A (en) * | 2015-04-21 | 2015-08-05 | 新奥气化采煤有限公司 | Methane gas recovery system and recovery control method |
| CN104832783A (en) * | 2015-04-21 | 2015-08-12 | 新奥气化采煤有限公司 | Methane gas recovery system and recovery method |
| CN104833173A (en) * | 2015-04-21 | 2015-08-12 | 新奥气化采煤有限公司 | Methane gas recovery system and recovery method |
| CN104832785A (en) * | 2015-05-21 | 2015-08-12 | 新奥气化采煤有限公司 | Compressed methane gas recovery system and method |
| CN104832785B (en) * | 2015-05-21 | 2017-08-01 | 新奥科技发展有限公司 | compressed methane gas recovery system and recovery method |
| CN104832782B (en) * | 2015-05-21 | 2017-09-19 | 新奥科技发展有限公司 | Compressed methane gas recovery control system and recycling and control method |
| CN104832782A (en) * | 2015-05-21 | 2015-08-12 | 新奥气化采煤有限公司 | Compressed methane gas recovery control system and method |
| CN105042327A (en) * | 2015-07-02 | 2015-11-11 | 新奥气化采煤有限公司 | Methane gas recycling system and recycling method |
| CN105486030A (en) * | 2015-08-24 | 2016-04-13 | 新奥气化采煤有限公司 | Methane gas recycling system and control method |
| CN106705308A (en) * | 2017-02-03 | 2017-05-24 | 江苏乐科节能科技股份有限公司 | Mechanical flash type air conditioning refrigeration system and working 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: 20141231 Termination date: 20150718 |
|
| EXPY | Termination of patent right or utility model |