CN109107212A - A kind of cold storage oil-gas recovery processing device - Google Patents
A kind of cold storage oil-gas recovery processing device Download PDFInfo
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- CN109107212A CN109107212A CN201811301643.4A CN201811301643A CN109107212A CN 109107212 A CN109107212 A CN 109107212A CN 201811301643 A CN201811301643 A CN 201811301643A CN 109107212 A CN109107212 A CN 109107212A
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- 238000011084 recovery Methods 0.000 title claims abstract description 17
- 239000003507 refrigerant Substances 0.000 claims abstract description 29
- 238000001816 cooling Methods 0.000 claims abstract description 25
- 238000000926 separation method Methods 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000005057 refrigeration Methods 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims description 32
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 23
- 239000002826 coolant Substances 0.000 claims description 5
- 238000007710 freezing Methods 0.000 claims description 5
- 230000008014 freezing Effects 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 2
- 238000004804 winding Methods 0.000 claims 2
- 230000007423 decrease Effects 0.000 claims 1
- 229910052757 nitrogen Inorganic materials 0.000 claims 1
- 239000003921 oil Substances 0.000 claims 1
- 239000000470 constituent Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- RRNIZKPFKNDSRS-UHFFFAOYSA-N Bensulide Chemical compound CC(C)OP(=S)(OC(C)C)SCCNS(=O)(=O)C1=CC=CC=C1 RRNIZKPFKNDSRS-UHFFFAOYSA-N 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0033—Other features
- B01D5/0036—Multiple-effect condensation; Fractional condensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0078—Condensation of vapours; Recovering volatile solvents by condensation characterised by auxiliary systems or arrangements
- B01D5/0087—Recirculating of the cooling medium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
本发明涉及油气回收利用技术领域，尤其为一种蓄冷式油气回收处理装置，包括油气处理单元、载冷剂单元和制冷单元。油气处理单元通过预冷器先分离一部分水分，然后再通过绕管式换热器冷却到低温将水分冷冻分离出来，同时在低温下油气中的重组分冷凝成液体，在气液分离器中分离采出。载冷剂单元通过换热器6将低温冷剂的冷量吸收并存储至低温储罐，然后再通过绕管式换热器4a/b，与油气换热提供油气分离所需的冷量，载冷剂单元通过调节低温储罐9回常温储罐7载冷剂流量调节油气处理负荷，制冷单元产生冷量，通过载冷剂系统将冷量传递为油气分离单元。整体工艺流程简单、易操作，通过载冷剂蓄冷去适应在油气排放量的波动，维持装置稳定运行，回收有用成分，消除安全隐患，减小经济损失，具有一定的推广价值。The invention relates to the technical field of oil and gas recovery and utilization, in particular to a cold storage type oil and gas recovery and processing device, comprising an oil and gas processing unit, a refrigerant unit and a refrigeration unit. The oil and gas processing unit first separates a part of the water through the pre-cooler, and then cools it to a low temperature through the coiled-tube heat exchanger to freeze and separate the water. Mined. The refrigerant unit absorbs and stores the cold energy of the low-temperature refrigerant through the heat exchanger 6 to the low-temperature storage tank, and then passes through the coiled-tube heat exchanger 4a/b to exchange heat with the oil and gas to provide the cold energy required for the separation of oil and gas, The refrigerant carrier unit adjusts the oil and gas processing load by adjusting the refrigerant flow rate of the low temperature storage tank 9 to the normal temperature storage tank 7, and the refrigeration unit generates cooling capacity, which is transferred to the oil and gas separation unit through the refrigerant carrier system. The overall process is simple and easy to operate. The refrigerant storage is used to adapt to fluctuations in oil and gas emissions, maintain stable operation of the device, recover useful components, eliminate potential safety hazards, and reduce economic losses, which has a certain promotion value.
Description
Technical field
The present invention relates to petroleum vapor recoveries to utilize technical field, specially a kind of cold storage oil-gas recovery processing device.
Background technique
Oil vapor treatment, recycling are energy saving and environment friendly new and high technologies, with VOC recovery technology recycling oil product in storage and transportation, dress
The VOC volatilized during unloading, atmosphere pollution caused by preventing VOC from volatilizing, eliminates safe hidden trouble, by improving the benefit to the energy
With rate, reduce economic loss, to obtain considerable benefit return.The method combined in engineering frequently with " adsorption-condensation "
Oil gas is recycled, is made up to as defined in China " petroleum refining industry pollutant emission standard " GB31570-2015
Non-methane total hydrocarbons≤120mg/m3 discharge standard.
But oil storage and transportation, cargo handling process and discontinuous, the oil and gas content that volume of goods loaded and unloaded difference generates is also different, in no oil product
When storage and transportation, handling, only lesser amount of evaporation of oil gas is generated.Conventional device for recovering oil and gas is using multistage cascade refrigeration, compression
Machine quantity is more, and operating condition variation is small, and for the processing requirement for meeting atm number, compressor configuration is higher.When oil vapor treatment amount
When smaller, energy consumption of compressor is higher, and supercooling easy to form, and heat exchanger channel is caused to accelerate ice stifled, shortens heat exchanger switching
Time；The protection of cooling minimum temperature will lead to high frequent start and stop simultaneously, accelerate the damage of vulnerable part, increase maintenance at
This, therefore a kind of cold storage oil-gas recovery processing device is needed to make improvement to the above problem.
Summary of the invention
The purpose of the present invention is to provide a kind of cold storage oil-gas recovery processing devices, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the invention provides the following technical scheme:
The invention discloses a kind of cold storage oil-gas recovery processing device, including oil vapor treatment unit, refrigerating medium unit and
Refrigeration unit.Oil vapor treatment unit first separates portion of water by forecooler, is then again separated moisture by cryogenic freezing
Out, while at low temperature the heavy constituent in oil gas is condensed into liquid, and extraction is separated in gas-liquid separator.Refrigerating medium unit is logical
Heat exchanger 6 is crossed by the cold absorption of cryogenic coolant and is stored to low-temperature storage tank, then again by wound tube heat exchanger 4a/b, with oil
Cooling capacity needed for gas heat exchange provides Oil-gas Separation.Refrigerating medium unit returns 7 refrigerating agent flux of room temperature storage tank by adjusting low-temperature storage tank 9
Adjust oil vapor treatment load.Refrigeration unit generates cooling capacity, is transmitted cooling capacity for Oil-gas Separation unit by secondary refrigerant system.The dress
It sets that process flow is simple, easy to operate, the cooling capacity of refrigeration unit can be stored in low-temperature storage tank by refrigerating medium in underload,
Adjusting refrigerating medium, which returns 7 flow of room temperature storage tank from low-temperature storage tank 9, when high load capacity can adapt to the variation of oil vapor treatment load.Using
Process cycles pump and cryogen compression and operating condition are steady, and compressor type selecting can reduce specification, so that equipment investment is reduced,
Reduce maintenance cost.
The purpose of the present invention is achieved through the following technical solutions:
The invention discloses a kind of cold storage oil-gas recovery processing device, including oil vapor treatment unit, refrigerating medium unit and
Refrigeration unit.Oil gas enters oil vapor treatment unit, by forecooler 2 and refrigerating medium heat exchange cooling after being pressurized first by blower 1
Enter gas-liquid separator 3 afterwards for oil gas and water initial gross separation, then in suitching type in heat exchange of heat pipe 4 with low temperature refrigerating medium into one
By moisture freezing separation, the heavy constituent in oil gas is condensed into liquid and flows to 9 bottom of gas-liquid separator and produce for step heat exchange cooling, point
It is emptied after heat exchanger rewarming from tail gas.Refrigerating medium unit is stored up the cold absorption of cryogenic coolant to low temperature by heat exchanger 6
Storage tank, then again by wound tube heat exchanger 4a/b, exchange heat cooling capacity needed for providing Oil-gas Separation with oil gas.Refrigeration unit passes through
Compressor boosts cryogen, the cryogen that the cryogen of high pressure throttles after water cooler and heat exchanger cooling into low-temp low-pressure, and leads to
Secondary refrigerant system is crossed to transmit cooling capacity for Oil-gas Separation unit.
Refrigerating medium unit can change according to oil vapor treatment tolerance, return the adjusting of 7 flow of room temperature storage tank by adjusting low-temperature storage tank 9
Oil vapor treatment load, circulating pump 8 keep stable operation.When oil gas load is lower, control valve V1 aperture reduces, part refrigerating medium
It is stored in low-temperature storage tank 9 after heat exchange cooling, when oil gas load increases, control valve V1 aperture increases, and refrigerating medium is from low
It is discharged in warm storage tank, increases the refrigerating medium in heat exchange of heat pipe 4a/b and pass through, thus cooling capacity provided by increasing.
A kind of cold storage oil-gas recovery processing device, specific implementation method are as follows:
(1) oil gas enters oil vapor treatment unit, after being pressurized to 20~30kpa by blower 1 first, is dropped by forecooler 2
Temperature is to 3~5 DEG C into gas-liquid separator 3, by oil gas and condensed water initial gross separation, subsequently into suitching type in heat exchange of heat pipe 4
It further exchanges heat with low temperature refrigerating medium and is cooled to -130~-110 DEG C for moisture freezing separation, the heavy constituent in oil gas is condensed into liquid
Body, the recyclable oil product of extraction in 5 bottom of gas-liquid separator, separation tail gas is discharged at the top of separator, by 6 rewarming of heat exchanger
It is emptied after to room temperature.
(2) after the refrigerating medium of room temperature storage tank 7 is forced into 0.5MPa by circulating pump 8 in refrigerating medium unit, it is delivered to heat exchange
In device 6, refrigerating medium and cryogenic separation tail gas and cryogenic coolant heat exchange are cooled to -135~-115 DEG C, enter low temperature after absorbing cooling capacity
Storage tank 9 stores, and by entering wound tube heat exchanger 4a/b after regulating valve V1, exchanges heat with oil gas cold needed for providing Oil-gas Separation
Amount, rewarming return to room temperature storage tank after entering back into the further rewarming of forecooler to -5~0 DEG C, complete refrigerating medium circulation.
(3) cryogen is boosted to 2.0~2.2MPa by compressor by refrigeration unit, and the cryogen of high pressure by water cooler and changes
After hot device is cooled to -120~-110 DEG C, -139~-120 DEG C (0.3~0.5MPa), low temperature cold are cooled to by throttle valve throttling
Agent exchanges heat in heat exchanger 6 with refrigerating medium, is transmitted cooling capacity for Oil-gas Separation unit by refrigerating medium unit, provides Oil-gas Separation
Required cooling capacity, low pressure cryogen heat exchange rewarming to room temperature after return to suction port of compressor.
Compared with prior art, the beneficial effects of the present invention are:
1, present invention process process is simple, easy to operate, can store up the cooling capacity of refrigeration unit by refrigerating medium in underload
There are in low-temperature storage tank, when high load capacity, adjusts refrigerating medium and from low-temperature storage tank returns room temperature storage tank flow can to adapt to oil vapor treatment negative
The variation of lotus.
2, steady using process cycles pump and cryogen compression and operating condition, compressor type selecting can reduce specification, from
And equipment investment is reduced, reduce maintenance cost.
Detailed description of the invention
Fig. 1 is separate section structural schematic diagram of the present invention；
Fig. 2 is that refrigerating medium of the present invention recycles schematic diagram；
Fig. 3 is rewarming structural schematic diagram of the present invention；
Fig. 4 is present invention process flow diagram.
In figure: 1- booster fan, 2- booster fan conveyance conduit, 3- feed pipe, 4- electric butterfly valve, 5- oil gas enter pipe
Road, 6- forecooler, the first connecting pipe of 7-, the first gas-liquid separator of 8-, the second connecting pipe of 9-, 10- condensed water receive tank body,
The first valve of 11-, 12- third connecting pipe, the first three-way connection of 13-, the 4th connecting pipe of 14-, 15- first exchange heat around pipe
Device, the 5th connecting pipe of 16-, 17- second are around heat exchange of heat pipe, the 6th connecting pipe of 18-, the second three-way connection of 19-, 20- the 7th
Connecting pipe, the second gas-liquid separator of 21-, the 8th connecting pipe of 22-, 23- heat exchanger, 24- exhausting pipeline, the connection of 25- the 9th
Pipeline, 26- oil recovery holding vessel, 27- pentane storage tank, the tenth connecting pipe of 28-, 29- circulating pump, the 11st connecting pipe of 30-,
The 12nd connecting pipe of 31-, 32- low-temperature storage tank, 33- control valve, 34- third three-way connection, the 13rd connecting pipe of 35-, 36-
14th connecting pipe, the 4th three-way connection of 37-, the 15th connecting pipe of 38-, the 16th connecting pipe of 39-, 40- the 17th
Connecting pipe, the 18th connecting pipe of 41-, 42- compressor, the 19th connecting pipe of 43-, 44- water cooler, 45- the 20th connect
Adapter tube road, 46- throttle valve, the 21st connecting pipe of 47-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution:
A kind of cold storage oil-gas recovery processing device, including booster fan 1 and booster fan conveyance conduit 2, booster fan 1
One end screw be connected with booster fan conveyance conduit 2, feed pipe 3 is welded on the outer wall of booster fan conveyance conduit 2, into
Pipe material 3 is connected with electric butterfly valve 4 far from one end screw of booster fan conveyance conduit 2, and electric butterfly valve 4 is far from feed pipe 3
One end screw be connected with oil gas and enter pipeline 5, booster fan conveyance conduit 2 has been socketed with pre- far from one end of booster fan 1
Cooler 6, forecooler 6 are socketed with the first connecting pipe 7 far from one end of booster fan conveyance conduit 2, and the first connecting pipe 7 is separate
One end of forecooler 6 is socketed with the first gas-liquid separator 8, and the outer bottom of the first gas-liquid separator 8 is socketed with the second connecting pipe
9, the second connecting pipe 9 is socketed with condensed water far from one end of the first gas-liquid separator 8 and receives tank body 10, the first gas-liquid separator
8 outer top is socketed with the first valve 11, and the first valve 11 is socketed with third connecting tube far from one end of the first gas-liquid separator 8
Road 12, third connecting pipe 12 are socketed with the first three-way connection 13 far from one end of the first valve 11, and the first three-way connection 13 is remote
Wherein one end from third connecting pipe 12 is socketed with the 4th connecting pipe 14, and the first three-way connection 13 is far from third connecting pipe
12 other end is socketed with the 5th connecting pipe 16, and the 4th connecting pipe 14 is socketed with far from one end of the first three-way connection 13
First is socketed with second around heat exchange of heat pipe far from one end of the first three-way connection 13 around heat exchange of heat pipe 15, the 5th connecting pipe 16
17, first is socketed with the 6th connecting pipe 18, the 6th connecting pipe far from one end of the 4th connecting pipe 14 around heat exchange of heat pipe 15
18 are socketed with the second three-way connection 19 around one end of heat exchange of heat pipe 15 far from first, and the second three-way connection 19 is far from the 6th connecting tube
The one end in road 18 is socketed with the 7th connecting pipe 20, and the 7th connecting pipe 20 is connected far from one end screw of the second three-way connection 19
There is the second gas-liquid separator 21, the outer bottom of the second gas-liquid separator 21 is socketed with the 9th connecting pipe 25, the 9th connecting pipe
25 one end screws far from the second gas-liquid separator 21 are connected with oil recovery holding vessel 26, the outer top of the second gas-liquid separator 21
Screw is connected with the 8th connecting pipe 22, and the 8th connecting pipe 22 is socketed with heat exchanger far from one end of the second gas-liquid separator 21
23, heat exchanger 23 is socketed with exhausting pipeline 24, one of interface set of heat exchanger 23 far from one end of the 8th connecting pipe 22
It is connected to the 11st connecting pipe 30, the 11st connecting pipe 30 is fixedly connected with circulating pump 29 far from one end of heat exchanger 23, follows
Ring pumps 29 one end far from the 11st connecting pipe 30 and is fixedly connected with the tenth connecting pipe 28, and the tenth connecting pipe 28 is far from following
One end screw of ring pump 29 is connected with pentane storage tank 27, and pentane storage tank 27 is connected with far from one end screw of the tenth connecting pipe 28
16th connecting pipe 39, a wherein interface of the one end of heat exchanger 23 far from the 11st connecting pipe 30 are socketed with the 12nd company
The 31, the 12nd connecting pipe 31 of adapter tube road is connected with low-temperature storage tank 32 far from one end screw of heat exchanger 23, and low-temperature storage tank 32 is remote
One end from the 12nd connecting pipe 31 is fixedly connected with control valve 33, and the one end of control valve 33 far from low-temperature storage tank 32 is fixed to be connected
It is connected to third three-way connection 34, a wherein interface of the one end of third three-way connection 34 far from control valve 33 is socketed with the 13rd company
An other interface in adapter tube road 35, the one end of third three-way connection 34 far from control valve 33 is socketed with the 14th connecting pipe 36,
Forecooler 6 and first is connected with the 15th connecting pipe 38 between heat exchange of heat pipe 15, on the outer wall of the 15th connecting pipe 38
It is welded with the 4th three-way connection 37, one end of pentane storage tank 27 is socketed with the 18th connecting pipe 41, the 18th connecting pipe 41
One end far from pentane storage tank 27 is fixedly connected with compressor 42, and compressor 42 is fixed far from one end of the 18th connecting pipe 41
It is connected with the 19th connecting pipe 43, the 19th connecting pipe 43 is fixedly connected with water cooler 44 far from one end of compressor 42,
Water cooler 44 is fixedly connected with the 20th connecting pipe 45, the 20th connecting pipe 45 far from one end of the 19th connecting pipe 43
One end far from water cooler 44 is socketed with throttle valve 46, and one end far from the 20th connecting pipe 45 is socketed with the 17th connecting tube
Road 40 is fixedly connected with the 21st connecting pipe 47, the model 4- of booster fan 1 between heat exchanger 23 and pentane storage tank 27
The model of 72-6A, the first gas-liquid separator 8 and the second gas-liquid separator 21 is QSF-15, the model CM5- of circulating pump 29
3, the model C-6RZ110H1A of compressor 42, the second three-way connection 19 is fixedly connected between heat exchange of heat pipe 17 with second, the
It is fixedly connected between the one end of 16 connecting pipes 39 far from pentane storage tank 27 and forecooler 6, the 13rd connecting pipe 35 is separate
One end of third three-way connection 34 is fixedly connected between heat exchange of heat pipe 15 with first, and the 14th connecting pipe 36 is far from the three or three
One end of pass joint 34 is fixedly connected between heat exchange of heat pipe 15 with first, and the 4th three-way connection 37 and second is around heat exchange of heat pipe 17
Between be fixedly connected.
Workflow of the present invention: in use, oil gas, which enters oil gas, enters pipeline 5,20 are pressurized to by booster fan 1 first
After~30kpa, 3~5 DEG C are cooled to by forecooler 6 and enters the first gas-liquid separators 8, by oil gas and condensed water initial gross separation,
Condensed water enters condensed water and receives in tank body 10, and oil gas enters back into first around heat exchange of heat pipe 15 and second in heat exchange of heat pipe 17
It further exchanges heat with low temperature refrigerating medium and is cooled to -130~-110 DEG C for moisture freezing separation, the heavy constituent in oil gas is condensed into liquid
Body, in 21 bottom of the second gas-liquid separator, the oil recovery holding vessel 26 of connection receives recyclable oil product, and isolated tail gas is from the
It is discharged at the top of two gas-liquid separators 21, is emptied after 23 rewarming to room temperature of heat exchanger from exhausting pipeline 24；In pentane storage tank 27
Refrigerating medium 0.5MPa is forced by circulating pump 29 after, be delivered in heat exchanger 23, refrigerating medium and cryogenic separation tail gas and low
Warm cryogen heat exchange is cooled to -135~-115 DEG C, enters in low-temperature storage tank 32 after absorption cooling capacity and stores, laggard by control valve 33
Enter first around heat exchange of heat pipe 15 and second in heat exchange of heat pipe 17, exchange heat cooling capacity needed for providing Oil-gas Separation to oil gas, rewarming
It to -5~0 DEG C, is returned in pentane storage tank 27 after entering back into the further rewarming of forecooler 6, completes refrigerating medium circulation；Pentane storage tank 27
Cryogen is boosted into 2.0~2.2MPa by compressor 42, the cryogen of high pressure is cooled to by water cooler 44 and heat exchanger 23-
After 120~-110 DEG C, -139~-120 DEG C of 0.3~0.5MPa are cooled to by the throttling of throttle valve 46, cryogenic coolant is in heat exchanger
It exchanges heat in 23 with refrigerating medium, cooling capacity is transmitted as pentane storage tank 27 by refrigerating medium unit, is provided cold required for Oil-gas Separation
It measures, returns to 42 entrance of compressor after the cryogen heat exchange rewarming to room temperature of low pressure.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811301643.4A CN109107212A (en) | 2018-11-02 | 2018-11-02 | A kind of cold storage oil-gas recovery processing device |
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| CN201811301643.4A CN109107212A (en) | 2018-11-02 | 2018-11-02 | A kind of cold storage oil-gas recovery processing device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110812873A (en) * | 2019-11-21 | 2020-02-21 | 深圳市奥图威尔科技有限公司 | Avoid stifled oil gas recovery device of ice |
| CN110954273A (en) * | 2019-12-12 | 2020-04-03 | 陕西航天机电环境工程设计院有限责任公司 | Back-blowing type valve low-temperature test plugging device and method |
| CN111575044A (en) * | 2020-06-11 | 2020-08-25 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Indirect oil gas condensation recovery device and recovery process thereof |
| CN112143867A (en) * | 2019-06-28 | 2020-12-29 | 南京馥安投资管理有限公司 | A device and method for recovering oil and gas during heat treatment |
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