CN102527073A - Adsorption-condensation composite oil gas recovering device and oil gas recovering method - Google Patents
Adsorption-condensation composite oil gas recovering device and oil gas recovering method Download PDFInfo
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- CN102527073A CN102527073A CN2010105915899A CN201010591589A CN102527073A CN 102527073 A CN102527073 A CN 102527073A CN 2010105915899 A CN2010105915899 A CN 2010105915899A CN 201010591589 A CN201010591589 A CN 201010591589A CN 102527073 A CN102527073 A CN 102527073A
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Abstract
The invention discloses an adsorption-condensation composite oil gas recovering device, which comprises two groups of adsorption tanks, a vacuum pump and a condenser, wherein an oil gas inlet pipeline is connected with two adsorption tank inlet pipelines which are connected in parallel respectively; the two adsorption tank inlet pipelines are connected with two groups of adsorption tanks respectively; the discharge outlet of each adsorption tank is connected with a discharge pipeline; the two groups of adsorption tanks are connected with regeneration pipelines respectively; the two regeneration pipelines are connected with the inlet of a vacuum pump respectively; the outlet of the vacuum pump is connected with the inlet of the condenser through a pipeline; the first outlet of the condenser is connected with a non-condensable gas branch; the second outlet of the condenser is connected with a liquid storage tank through an oil gas condensate pipeline; and the liquid storage tank is connected with a recovered oil return pump through a pipeline. In the invention, adsorption is mainly adopted, and hollow condensation is taken as an auxiliary technical route, so that the defects of the conventional oil gas recovering device in which a full-condensation method and an adsorption-absorption method are adopted can be overcome. The invention further discloses an adsorption-condensation composite oil gas recovering method.
Description
Technical field
The present invention relates to a kind of device for recovering oil and gas, be specifically related to a kind of absorption-condensation combined type device for recovering oil and gas.The invention still further relates to a kind of absorption-condensation combined type oil-gas recovery method.
Background technology
Crude oil, product oil and part lightweight chemicals (including but not limited to lighter hydrocarbons, aromatic hydrocarbons, acrylonitrile, alcohols, the ketone etc.) fluid product that volatility is stronger can produce a large amount of oil gas in storage and transport process.If this part oil gas directly is discharged in the atmosphere, not only can produce harmful effect to atmospheric environment, also can cause the loss in vain of the energy, and exist great potential safety hazard, therefore need carry out oil gas and reclaim.
The process that existing oil gas reclaims generally adopts condensation method or absorption-absorption process, and these two kinds of methods have pluses and minuses separately.
Condensation method have reclaim product directly perceived visible, need not the absorption liquid circulation, reclaim product to the storage tank product storage advantage such as have no effect, but have shortcomings such as organic efficiency is low, energy consumption is high, maintenance cost is high, refrigerating efficiency is low, multistage refrigerating plant complicacy simultaneously again.
Absorption-absorption process has plurality of advantages such as technology is simple, organic efficiency is high, energy consumption is low, maintenance cost is low, suitable intermittently operated, long service life; But exist again simultaneously reclaim product volume directly perceived, need the absorption liquid circulation, the storage tank product stored defectives such as influence, receive very big restriction in the application of a lot of occasions.
Summary of the invention
Technical problem to be solved by this invention provides a kind of absorption-condensation combined type device for recovering oil and gas, and it can integrate condensation and absorption-two kinds of technological advantages of absorption.
For solving the problems of the technologies described above, the technical solution of the present invention's absorption-condensation combined type device for recovering oil and gas is:
Comprise two groups of adsorption tanks, vavuum pump, condenser, after oil gas suction line and fixed gas branch road converge, connect two adsorption tanks suction lines parallel with one another respectively through pipeline; Inlet porting valve on the adsorption tanks suction line; Two adsorption tanks suction lines connect two groups of adsorption tanks respectively, and the floss hole of adsorption tanks connects discharge pipe line, and outlet valve is set on the discharge pipe line;
Two groups of adsorption tanks connect the regeneration pipeline respectively, are respectively arranged with regeneration valve on two regeneration pipelines; Two regeneration pipelines connect the inlet of vavuum pump respectively, and the vacuum delivery side of pump is through the inlet of pipeline connection condenser, and first outlet of condenser connects the fixed gas branch road, and second outlet of condenser is through oil gas condensate liquid pipeline connection fluid reservoir; Fluid reservoir connects recovered oil through pipeline and returns pump, and recovered oil returns pump and connects user's storage tank through pipeline.
Be respectively arranged with safety valve on said two discharge pipe lines.
Be respectively arranged with inflation on said two discharge pipe lines and purge branch road.
Said every group of adsorption tanks comprise respectively and are no less than adsorption tanks.
Be filled with in active carbon, NACF, the dewatering silica gel one or more in the said adsorption tanks respectively.
Said inlet valve, outlet valve, regeneration valve are autocontrol valve.
The present invention also provides a kind of absorption-condensation combined type oil-gas recovery method, and its technical solution does, may further comprise the steps:
The first step is opened the inlet valve of first adsorption tanks, gets into first adsorption tanks from the oil gas of oil gas suction line through the adsorption tanks suction line; Oil gas carries out adsorption operations in first adsorption tanks; Open the outlet valve of first adsorption tanks, make gas be disposed to atmosphere through discharge pipe line through the floss hole of first adsorption tanks;
In second step, when the adsorption capacity of first adsorption tanks reaches capacity, close the inlet valve of first adsorption tanks; Open the inlet valve of second adsorption tanks; Make oil gas get into second adsorption tanks, oil gas carries out adsorption operations in second adsorption tanks, realize the switching of two groups of adsorption tanks; Meanwhile, open the regeneration valve of first adsorption tanks, the open vacuum pump; Vavuum pump vacuumizes the realization regenerative operation to first adsorption tanks, the oil gas that is adsorbed in first adsorption tanks is obtained regeneration gas after vacuum regeneration, and regeneration gas is delivered to condenser, in condenser, carries out condensation liquefaction;
The temperature of in condenser, carrying out condensation liquefaction is-10 ℃～+ 10 ℃.
In the 3rd step, regeneration gas is through behind the condensation liquefaction, and the fixed gas that mixes in the regeneration gas comes back to second adsorption tanks that are in adsorbed state through the fixed gas branch road and carries out adsorption operations through behind the condenser; The liquid that condensation is got off is collected in the fluid reservoir and stores.
The technique effect that the present invention can reach is:
The present invention adopts and is adsorbed as the master, and shallow degree is condensed into auxilliary technology path, can overcome the shortcoming of existing full condensation method and absorption-absorption process device for recovering oil and gas, and concrete manifestation is following:
The present invention adopts the method for absorption directly to handle oil gas, has therefore possessed absorption-absorption process technology characteristic of simple.The present invention adopts the main processing technology of absorption as oil gas, therefore can reach very high treatment effeciency.
The present invention adopts shallow degree condensation rather than absorption tower that the regeneration gas of vavuum pump is liquefied, and this technology does not need the circulation of absorption liquid, and running does not produce any influence to storage tank and other devices.
The present invention is in processing procedure, and gas is stored in the independent storage tank after through shallow degree condensation, does not therefore need the absorption liquid circulation, can not produce any influence to the operation and the properties of product of user's storage tank.
The present invention realizes the liquefaction of most of oil gas through simple condenser system, because the condensation temperature very high (being generally-10 ℃～+ 10 ℃) that adopts, so the operating efficiency of refrigeration compressor is significantly higher than full condensation method (be generally-20 ℃～below-100 ℃).
Though the present invention adopts refrigeration plant, required cryogenic temperature is higher, so loss of refrigeration capacity is few, and the equipment operation energy consumption reduces greatly; The present invention can avoid the cryogenic operations below the condensation method-20 ℃, so equipment investment and maintenance cost significantly reduce, and also prolong greatly service life.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further detailed explanation:
Fig. 1 is that the present invention is adsorbed-process flow diagram of condensation combined type device for recovering oil and gas.
Description of reference numerals among the figure:
A1, A2 are adsorption tanks, and 3 is vavuum pump,
4 is condenser, and 5 is fluid reservoir,
6 for recovered oil returns pump, and FR is an inlet valve,
FC is an outlet valve, and FZ is a regeneration valve,
FA is a safety valve.
The specific embodiment
As shown in Figure 1; The present invention's absorption-condensation combined type device for recovering oil and gas; Comprise two groups of adsorption tanks A1, A2, vavuum pump 3, condenser 4, after oil gas suction line and fixed gas branch road converge, connect two adsorption tanks suction lines parallel with one another respectively through pipeline; Inlet porting valve FR on the adsorption tanks suction line; Two adsorption tanks suction lines connect two groups of adsorption tanks A1, A2 respectively, and the floss hole of adsorption tanks A1, A2 connects discharge pipe line, and outlet valve FC is set on the discharge pipe line;
Be respectively arranged with safety valve FA on two discharge pipe lines;
Be respectively arranged with inflation on two discharge pipe lines and purge branch road;
Two groups of adsorption tanks A1, A2 connect the regeneration pipeline respectively, are respectively arranged with regeneration valve FZ on two regeneration pipelines; Two regeneration pipelines connect the inlet of vavuum pump 3 respectively, and the outlet of vavuum pump 3 is through the inlet of pipeline connection condenser 4, and first outlet of condenser 4 connects the fixed gas branch road, and second outlet of condenser 4 is through oil gas condensate liquid pipeline connection fluid reservoir 5; Fluid reservoir 5 connects recovered oil through pipeline and returns pump 6, and recovered oil returns pump 6 and connects user's storage tank through pipeline.
Every group of adsorption tanks A1, A2 comprise respectively and are no less than adsorption tanks;
Be filled with in active carbon, NACF, the dewatering silica gel one or more in adsorption tanks A1, the A2 respectively as adsorbent;
Inlet valve FR, outlet valve FC, regeneration valve FZ are autocontrol valve.
The present invention can be produced the fluid product (comprising product oil and chemicals) in places such as oil depot, oil plant, harbour in storage and transport process oil gas purifies effectively, recycles.
The course of work of the present invention is following:
Open the inlet valve FR (this moment, the inlet valve FR of adsorption tanks A2 was in closed condition) of adsorption tanks A1, get into adsorption tanks A1 through the adsorption tanks suction line from the oil gas of oil gas suction line; Oil gas carries out adsorption operations in adsorption tanks A1; Oil gas is through adsorption operations, and wherein the fluid product of vaporization is adsorbed in the adsorption tanks A1; Open the outlet valve of adsorption tanks A1, make gas be disposed to atmosphere through discharge pipe line through the floss hole of adsorption tanks A1;
When the adsorption capacity of adsorption tanks A1 reaches capacity, close the inlet valve of adsorption tanks A1, open the inlet valve of adsorption tanks A2, make oil gas get into adsorption tanks A2, oil gas carries out adsorption operations in adsorption tanks A2, realize the switching of two groups of adsorption tanks A1, A2; Meanwhile, open the regeneration valve (this moment, the regeneration valve of adsorption tanks A2 was in closed condition) of adsorption tanks A1, open vacuum pump 3; 3 couples of adsorption tanks A1 of vavuum pump vacuumize the realization regenerative operation, the oil gas that is adsorbed on A1 in the adsorption tanks is obtained regeneration gas after vacuum regeneration, and regeneration gas is delivered to condenser 4, in condenser 4, carry out condensation liquefaction in-10 ℃～+ 10 ℃ temperature ranges;
Regeneration gas is through behind the condensation liquefaction, a small amount of fixed gas that mixes in the regeneration gas (like air etc.) through behind the condenser 4, coming back to the adsorption tanks A2 that is in adsorbed state through the fixed gas branch road carries out adsorption operations; The liquid that condensation is got off is collected in the fluid reservoir 5 and stores, and supplies the user to dispatch arrangement.
Claims (8)
1. absorption-condensation combined type device for recovering oil and gas; It is characterized in that: comprise two groups of adsorption tanks (A1, A2), vavuum pump (3), condenser (4); After oil gas suction line and fixed gas branch road converge, connect two adsorption tanks suction lines parallel with one another respectively through pipeline; Inlet porting valve (FR) on the adsorption tanks suction line; Two adsorption tanks suction lines connect two groups of adsorption tanks (A1, A2) respectively, and the floss hole of adsorption tanks (A1, A2) connects discharge pipe line, and outlet valve (FC) is set on the discharge pipe line;
Two groups of adsorption tanks (A1, A2) connect the regeneration pipeline respectively, are respectively arranged with regeneration valve (FZ) on two regeneration pipelines; Two regeneration pipelines connect the inlet of vavuum pump (3) respectively; The outlet of vavuum pump (3) connects the inlet of condenser (4) through pipeline; First outlet of condenser 4 connects the fixed gas branch road, and second outlet of condenser (4) connects fluid reservoir (5) through oil gas condensate liquid pipeline; Fluid reservoir (5) connects recovered oil through pipeline and returns pump (6), and recovered oil returns pump (6) and connects user's storage tank through pipeline.
2. absorption according to claim 1-condensation combined type device for recovering oil and gas is characterized in that: be respectively arranged with safety valve (FA) on said two discharge pipe lines.
3. absorption according to claim 1-condensation combined type device for recovering oil and gas is characterized in that: be respectively arranged with inflation on said two discharge pipe lines and purge branch road.
4. absorption according to claim 1-condensation combined type device for recovering oil and gas is characterized in that: said every group of adsorption tanks (A1, A2) comprise respectively and are no less than adsorption tanks.
5. absorption according to claim 1-condensation combined type device for recovering oil and gas is characterized in that: be filled with in active carbon, NACF, the dewatering silica gel one or more in the said adsorption tanks (A1, A2) respectively.
6. absorption according to claim 1-condensation combined type device for recovering oil and gas is characterized in that: said inlet valve (FR), outlet valve (FC), regeneration valve (FZ) are autocontrol valve.
7. an oil-gas recovery method that adopts the described absorption of claim 1-condensation combined type device for recovering oil and gas is characterized in that, may further comprise the steps:
The first step is opened the inlet valve (FR) of first adsorption tanks (A1), gets into first adsorption tanks (A1) from the oil gas of oil gas suction line through the adsorption tanks suction line; Oil gas carries out adsorption operations in first adsorption tanks (A1); Open the outlet valve of first adsorption tanks (A1), the floss hole that makes gas pass through first adsorption tanks (A1 top) portion is disposed to atmosphere through discharge pipe line;
Second step; When the adsorption capacity of first adsorption tanks (A1) reaches capacity; Close the inlet valve of first adsorption tanks (A1), open the inlet valve of second adsorption tanks (A2), make oil gas get into second adsorption tanks (A2); Oil gas carries out adsorption operations in second adsorption tanks (A2), realize the switching of two groups of adsorption tanks (A1, A2); Meanwhile, open the regeneration valve of first adsorption tanks (A1), open vacuum pump (3); Vavuum pump (3) vacuumizes the realization regenerative operation to first adsorption tanks (A1), and the oil gas that will be adsorbed in first adsorption tanks (A1) obtains regeneration gas after vacuum regeneration, and regeneration gas is delivered to condenser (4), in condenser (4), carries out condensation liquefaction;
In the 3rd step, regeneration gas, comes back to second adsorption tanks (A2) that are in adsorbed state through the fixed gas branch road and carries out adsorption operations behind the fixed gas process condenser (4) that mixes in the regeneration gas through behind the condensation liquefaction; The liquid that condensation is got off is collected in the fluid reservoir (5) and stores.
8. absorption according to claim 7-condensation combined type oil-gas recovery method is characterized in that: said second step is carried out condensation liquefaction in condenser (4) temperature is-10 ℃～+ 10 ℃.
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Cited By (11)
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| CN103274140A (en) * | 2013-06-09 | 2013-09-04 | 浙江海洋学院 | Floating roof oil tank and oil and gas safety device thereof |
| CN103668489A (en) * | 2013-12-23 | 2014-03-26 | 马军 | Dry spinning organic solvent recovery and nitrogen recycling technology and device |
| CN104587792A (en) * | 2014-12-10 | 2015-05-06 | 东华大学 | Nanofiber foam based oil gas trapping device and preparation method thereof |
| CN104815519A (en) * | 2015-04-09 | 2015-08-05 | 北京信诺海博石化科技发展有限公司 | Recovery technology for volatile oil gas in lightweight aromatic hydrocarbons filling process |
| CN105194977A (en) * | 2015-09-25 | 2015-12-30 | 杭州宝诺化工科技有限公司 | Oil gas recovery apparatus with recycling function |
| CN105413390A (en) * | 2015-12-15 | 2016-03-23 | 安徽科海压缩机制造有限公司 | System for adsorption and pressure-boosting recovery of volatile organic compound steam in oil gas |
| CN106693605A (en) * | 2017-01-26 | 2017-05-24 | 上海聚宸新能源科技有限公司 | Adsorptive regeneration device with solid-liquid phase change matters and adsorptive regeneration process |
| CN106807179A (en) * | 2017-01-26 | 2017-06-09 | 上海聚宸新能源科技有限公司 | A kind of adsorption condensing device for recovering oil and gas and petroleum vapor recovery technique using from absorption hot recycling |
| CN107376454A (en) * | 2017-08-30 | 2017-11-24 | 安徽中鼎橡塑制品有限公司 | A kind of double barrels type vacuum equipment |
| CN109464879A (en) * | 2018-11-22 | 2019-03-15 | 天津市振津石油天然气工程有限公司 | A kind of movable skid-mounted formula pitch device for recovering oil and gas |
| CN110585851A (en) * | 2019-10-25 | 2019-12-20 | 青岛诺诚化学品安全科技有限公司 | Filling station's cubic vapor recovery system device |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103274140A (en) * | 2013-06-09 | 2013-09-04 | 浙江海洋学院 | Floating roof oil tank and oil and gas safety device thereof |
| CN103668489B (en) * | 2013-12-23 | 2016-06-01 | 马军 | Dry-spinning organic solvent reclaims and nitrogen circulation operation and device thereof |
| CN103668489A (en) * | 2013-12-23 | 2014-03-26 | 马军 | Dry spinning organic solvent recovery and nitrogen recycling technology and device |
| CN104587792A (en) * | 2014-12-10 | 2015-05-06 | 东华大学 | Nanofiber foam based oil gas trapping device and preparation method thereof |
| CN104587792B (en) * | 2014-12-10 | 2016-08-17 | 东华大学 | A kind of nanofiber foam-based hydrocarbon entrapment device and preparation method thereof |
| CN104815519A (en) * | 2015-04-09 | 2015-08-05 | 北京信诺海博石化科技发展有限公司 | Recovery technology for volatile oil gas in lightweight aromatic hydrocarbons filling process |
| CN105194977A (en) * | 2015-09-25 | 2015-12-30 | 杭州宝诺化工科技有限公司 | Oil gas recovery apparatus with recycling function |
| CN105413390A (en) * | 2015-12-15 | 2016-03-23 | 安徽科海压缩机制造有限公司 | System for adsorption and pressure-boosting recovery of volatile organic compound steam in oil gas |
| CN105413390B (en) * | 2015-12-15 | 2018-05-25 | 安徽科海压缩机制造有限公司 | The absorption supercharging recovery system of volatile organic steam in a kind of oil gas |
| CN106693605A (en) * | 2017-01-26 | 2017-05-24 | 上海聚宸新能源科技有限公司 | Adsorptive regeneration device with solid-liquid phase change matters and adsorptive regeneration process |
| CN106807179A (en) * | 2017-01-26 | 2017-06-09 | 上海聚宸新能源科技有限公司 | A kind of adsorption condensing device for recovering oil and gas and petroleum vapor recovery technique using from absorption hot recycling |
| CN106807179B (en) * | 2017-01-26 | 2023-04-11 | 上海聚宸新能源科技有限公司 | Adsorption condensation oil gas recovery device and oil gas recovery process utilizing self-adsorption heat regeneration |
| CN107376454A (en) * | 2017-08-30 | 2017-11-24 | 安徽中鼎橡塑制品有限公司 | A kind of double barrels type vacuum equipment |
| CN109464879A (en) * | 2018-11-22 | 2019-03-15 | 天津市振津石油天然气工程有限公司 | A kind of movable skid-mounted formula pitch device for recovering oil and gas |
| CN110585851A (en) * | 2019-10-25 | 2019-12-20 | 青岛诺诚化学品安全科技有限公司 | Filling station's cubic vapor recovery system device |
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Application publication date: 20120704 |