CN200943812Y - Oil and gas recovery device combining pressurization, condensation and sprinkling - Google Patents
Oil and gas recovery device combining pressurization, condensation and sprinkling Download PDFInfo
- Publication number
- CN200943812Y CN200943812Y CN 200620107201 CN200620107201U CN200943812Y CN 200943812 Y CN200943812 Y CN 200943812Y CN 200620107201 CN200620107201 CN 200620107201 CN 200620107201 U CN200620107201 U CN 200620107201U CN 200943812 Y CN200943812 Y CN 200943812Y
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- gas
- oil
- spray
- absorption tower
- absorption
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Abstract
An oil-gas retrieval device, which integrates pressure pumping, condensation and spraying, and is composed of a gas storage tank, an absorption tower team, an air compression machine, a spraying oil pump, an absorption oil pump and a heat exchanger team. All constituents are connected by a pipeline to form an oil-gas flow loop, an absorption flow loop and a spraying oil loop. The recycle mixed gas is drawn out of the gas storage tank by way of the air compression machine, and then gets condensed under some pressure. The mixed gas and the low-temperature condensate liquid are blended and absorbed in the absorption tower team. The oil gas gets recycled with high efficiency, and gasoline is selected as a absorption agent. The spraying liquid and the recycled liquid are transported into the oil tank for re-use and do not need to be separated again, avoiding the secondary pollution, distillation and replacement with the adoption of other organic solvent. The recovery ratio is more than 95 percent.
Description
Technical field
The utility model relates to a kind of device for recovering oil and gas, the device for recovering oil and gas that especially a kind of pressurization, condensation, spray combine.
Background technique
Oil is one of main energy of China, volatilization class media such as gasoline will be through going into the multilayer link in sales process as commodity, inevitably volatilizing loss accounts for 1%, causes the position of loss can reduce four aspects: the evaporating loss of various storage tanks, the loss in the handling operation, loss, the oil plant dehydration that causes that clean the storage are taken out of and other loss.The part of storage and transport process loss mainly is the lightweight component, has higher recovery value.
In recent years, along with popularizing of floating roof tank, the oil and gas loss of storage process significantly reduces, and the loss of light-end products mainly concentrates on the loading and unloading link, and economic loss is huge, and befouling environment, has also increased unsafe factor simultaneously.Existing oil gas absorption plant adopts mostly that active carbon or solvent absorb, film separates, directly condensation or above several mode combine etc., must change absorbing medium or exchange membrane after adopting active carbon or modes such as solvent absorption, film separation to use a period of time, the expense that puts into operation is big, and saturated absorption the active carbon of oil gas and the energy that solvent itself has just been contained millions of kilocalories, formation heat spot and superoxide and energy oneself ignite, and become potential safety hazard.Though and the mode that adopts direct condensation is safe and reliable, effect is better, when gas concentration is low, need deep cooling to arrive-70～-170 ℃, be very uneconomic on user cost; Simultaneously, above system input cost is also very big, and the economic benefit of recovery and the cost of input are not complementary.
The model utility content
The technical assignment of the technical problems to be solved in the utility model and proposition is to overcome job safety hidden danger that prior art exists, defective such as deep cooling, the device for recovering oil and gas that provides a kind of pressurization, condensation, spray to combine are provided.For this reason, by the following technical solutions:
The device for recovering oil and gas that pressurization, condensation, spray combine is characterized in that comprising gas holder, absorption tower group, gas compressor, spray oil pump, absorbs oil pump and heat exchanger package, and they are connected to form the oil gas stream, are absorbed stream and spray oil circuit by pipeline:
Described absorption tower group comprises elementary absorption tower and follow-up absorption tower, and described heat exchanger package includes the refrigerator group;
Described gas holder, elementary absorption tower, gas compressor, follow-up absorption tower are in turn connected to form described oil gas stream by pipeline;
Described absorption oil pump, refrigerator group, follow-up absorption tower are connected successively by pipeline and form described absorption stream with the absorption return line of drawing from follow-up absorption tower;
Described spray oil pump, elementary absorption tower connect successively by pipeline and with elementary absorption tower on the spray return line of drawing form described spray oil circuit.
As the further of technique scheme improved and replenish, the utility model also comprises following additional technical feature:
The device for recovering oil and gas that described pressurization, condensation, spray combine, it is characterized in that described follow-up absorption tower comprises two-level absorption tower and the three grades of absorption towers that connected by pipeline, described refrigerator group comprises respectively two-stage system cooler and the three tier structure cooler that links to each other with three grades of absorption towers with described two-level absorption tower.
The device for recovering oil and gas that described pressurization, condensation, spray combine, it is two-layer to it is characterized in that described two-level absorption tower has, described two-stage system cooler is to be two that are connected in series, and the oil circuit outlet of former and later two two-stage system coolers is connected to the lower floor and the upper strata of described two-level absorption tower respectively by pipeline.
The device for recovering oil and gas that described pressurization, condensation, spray combine is characterized in that described heat exchanger package includes defrosting heater, and the outlet of the oil circuit of this defrosting heater is connected to described three tier structure cooler, three grades of absorption towers and connecting pipeline thereof by the road.
The device for recovering oil and gas that described pressurization, condensation, spray combine is characterized in that the absorption return line of described two-level absorption tower is connected to the oil storage portion on three grades of absorption towers.
The device for recovering oil and gas that described pressurization, condensation, spray combine is characterized in that two groups for correspondence of described three grades of absorption towers and three tier structure cooler.
The device for recovering oil and gas that described pressurization, condensation, spray combine, it is characterized in that described heat exchanger package includes the spray heater, this spray heater is connected between described spray oil pump and the elementary absorption tower, and described absorption return line is connected to before the spray heater.
The device for recovering oil and gas that described pressurization, condensation, spray combine is characterized in that described spray return line is connected with the filler opening of described spray oil pump.
The device for recovering oil and gas that described pressurization, condensation, spray combine is characterized in that being connected with gas-liquid separator between described elementary absorption tower and the air compressor.
The device for recovering oil and gas that described pressurization, condensation, spray combine is characterized in that being connected with pressure regulator valve on the air outlet on described three grades of absorption towers.
Adsorbent equipment of the present utility model is divided into elementary and follow-up absorption tower, all there is certain pressure inside, gas holder is used to reclaim the storage of gas, also has the front buffer effect of reclaiming gas, by gas compressor the recovery mixed gas in the gas holder is pumped out, under certain pressure, carry out condensation afterwards; Mixed gas and cryogenic condensation liquid (pure gasoline meets the quality requirement of regular gasoline, the best of coming out from oil storage tank) mix in the group of absorption tower mutually; Its advantage has:
1, advanced technology, the oil gas recovery rate height, system adopts condensation, spray and pressurization process combined route, the absorbing agent that adopts is a gasoline, spray liquid and recovery liquid are directly failed and are got back to the oil tank use, need not go separation again, the problems such as secondary pollution, distillation and replacing the problem includes: having avoided adopting other organic solvents to absorb problem, and also the recovery rate reaches more than 95%.
2, can adopt programmable controller (PLC) control, have multiple Security and monitor setting automatically, can move voluntarily by setup program and the personnel that need not are on duty, the potential safety hazard when effectively avoiding operation.
3, Zhuan Zhi various piece is connected by pipeline, is convenient to on-the-spot the installation.
4, do not need deep cooling, energy consumption is little, and device operating cost is low.
Description of drawings
Fig. 1 is a linkage structure schematic representation of the present utility model.
Embodiment
The device for recovering oil and gas that pressurization as shown in Figure 1, condensation, spray combine, mainly comprise gas holder 1, absorption tower group, gas-liquid separator 3, gas compressor 4, spray oil pump 20, absorb oil pump 16 and heat exchanger package, they are connected to form the oil gas stream, absorb stream, are sprayed oil circuit and defrosting oil circuit by pipeline, wherein:
The absorption tower group comprises elementary absorption tower 2 and follow-up absorption tower, and follow-up absorption tower comprises two-level absorption tower 5 and two three grades of absorption towers 6,7, and two-level absorption tower has two-layer up and down;
Heat exchanger package includes refrigerator group, spray heater 14 and defrosting heater 12, the refrigerator group comprises and is two two-stage system coolers 13,11 of being connected in series and two three tier structure coolers 10,9 arranged side by side, thus, absorbing medium is successively through cooling gradually behind two-stage system cooler and the three tier structure cooler;
Gas stream route gas holder 1, elementary absorption tower 2, gas-liquid separator 3, gas compressor 4, two-level absorption tower 5, three grades of absorption towers 6,7 are connected to form by pipeline successively; And the inlet of the oil gas pipeline on each absorption tower is positioned at its middle and lower part, and the outlet of its oil gas pipeline is positioned at its top, is convenient to and mixes from the spray medium of top or absorbing medium and be absorbed; And after accumulating one the tunnel, the pipeline at 6,7 tops, two three grades absorption towers connects a pressure regulator valve 8.
Absorb stream by filter 17, absorb oil pump 16, two 13,11, two three tier structure coolers 10 and 9 of two-stage system cooler, two-level absorption tower 5, two three grades of absorption towers 6 and 7, dump pump 18 is formed by connecting by the road; More specifically, the preceding the outlet of two-stage system cooler 13 with after the import of two-stage system cooler 11 link to each other and also be connected to the lower floor of two-level absorption tower 5 when becoming cascaded structure by pipeline, should after the outlet and the upper strata that also is connected to two-level absorption tower 5 when the import of thereafter two three tier structure coolers 10,9 links to each other of two-stage system cooler 11 by pipeline, the outlet of two three tier structure coolers 10,9 is connected to two three grades of absorption towers 6,7 respectively by the road; And the absorption return line of two-level absorption tower 5 is connected to the oil storage portion on two three grades of absorption towers 6,7, and the absorption return line on three grades of absorption towers draw from its oil storage portion bottom conflux into the absorption oil circuit return line 21 to dump pump 18.
Spray oil route spray oil pump 20, spray heater 14, elementary absorption tower 2 link to each other by the road and form: wherein spray return line 22 and draw from the oil storage portion of 2 bottoms, elementary absorption tower and compile the back with the return line of gas-liquid separator 3 and link to each other with the inlet of spray oil pump 20 and circulate so that realize; And between the outlet of inlet that sprays oil pump 20 and absorption dump pump 18, be connected with solenoid valve 19, between the inlet of outlet that sprays oil pump 20 and absorption dump pump 18, be connected with solenoid valve 15.
The defrosting oil circuit is to connect defrosting heater 12 in the outlet that absorbs oil pump 16, and the oil outlet tube of defrosting heater 12 is connected to three tier structure cooler 10 and 9, three grades of absorption towers 6 and 7 and connecting pipeline, so that three tier structure cooler, three grades of absorption towers and connecting pipeline thereof are defrosted.
The structure of above-mentioned device for recovering oil and gas is to be formed by connecting by the road, therefore is convenient to install at the scene; And can control it by programmable controller (PLC).
This device absorbs the medium that stream, spray oil circuit and defrosting oil circuit use and is regular gasoline, and raw material is easy to get, and can directly obtain from oil tank, has absorbed can directly send oil tank back to and need not handle once more.Gasoline comes out to absorb 16 fens two-way of oil pump through filter 17 from oil tank, and one the tunnel through 12 heating of defrosting heat exchanger, as 6,7, three grades of heat exchangers 9,10 in three grades of absorption towers and and the defrosting compound of associated pipe.Another road is via secondary heat exchanger 13,11 conduct spray absorbing agents.
The oil of two-level absorption tower 5 bottoms is mixed by the oil of pipeline with 6,7 bottoms, three grades of absorption towers, guarantees that the gasoline temperature of oil return jar is higher than 0 ℃.The spray agent that use on elementary absorption tower 2 the has come self absorption higher gasoline of hydrocarbon content of oil return jar behind the oil gas, wherein gasoline is heated to 15 ℃ by pump discharge through spray heat exchanger 14, is re-used as the spray agent oil gas is carried out preliminary treatment.The gasoline that has sprayed is got back to the spray oil pump again at the bottom of through the absorption tower, realizes recycling.Its liquid level height is opened solenoid valve 15 by solenoid valve 15,19 controls when liquid level is high, open solenoid valve 19 when liquid is low.
Its working procedure is: oil gas at first enters gas holder 1 by pipeline, because the oil gas flow of coming in is not very stable, gas holder 1 is at this erasable storage and buffer as whole device, for gas compressor provides stable source of the gas, guarantee follow up device stable operation, as be set at when gas holder 1 oil gas capacity system to 90% time and bring into operation, system is out of service when being lower than 5%, improves the operational efficiency of whole device.Oil gas directly enters elementary absorption tower 2 after gas holder 1 comes out, the spray liquid that uses in elementary absorption tower 2 is the higher gasoline of oil return jar hydrocarbonaceous amount after follow-up absorption tower (being two-level absorption tower 5 and two three grades of absorption towers 6,7) absorbs oil gas, its objective is for the gas concentration that guarantees compressor into outside range of explosion; Enter gas-liquid separator 3 after oil gas comes out from elementary absorption tower 2 and remove drop and send into follow-up two-level absorption tower 5 and two three grades of absorption towers 6,7 by gas compressor 4 again, the working pressure on compressor 4 and follow-up absorption tower is by pressure regulator valve 8 controls; Just advanced the oil gas of two-level absorption tower 5, so temperature is higher must be cooled off it earlier because just come out from compressor, promptly air cooling but absorbs to compressed oil by the gasoline in two-level absorption tower 5 lower floors, the upper strata adopts the gasoline that is lower than lower floor's temperature that its spray is absorbed, processing through two-level absorption tower 5, aqueous vapor in the oil gas is removed substantially, prevents its frosting in three grades of absorption towers 6,7; The gas concentration that comes out from two-level absorption tower 5 is very low, and the gasoline of low temperature reclaims its spray so use more in three grades of absorption towers 6,7.Tail gas gas concentration after the recovery is very low, as handling again, and can be directly through pressure regulator valve 8 direct emptyings.
Whole device all uses PLC to control automatically, need not personnel's post.
Aforesaid device for recovering oil and gas is divided into three parts to the absorption of oil gas, carry out three times (absorption tower that three different inside temperatures are promptly arranged) altogether and clean absorption in whole adsorbent equipment, the miscella that has absorbed hydrocarbon is transported in the relevant oil storage tank by oil pump.The heat energy that the heat that produces after the gas compression and a part of cold oil absorb, the quilt cold oil (clean gasoline) opposite with gas flow direction absorbs and takes away in the elementary absorption tower of system, the temperature of the cold oil in the elementary absorption tower is set at about 15 ℃ at this moment, and the temperature of the cold oil in the two-level absorption tower approximately is 3 ℃; Equally, after gas was here washed away, the hydrocarbon concentration in the mixed gas further reduced.At last, through the absorption of washing away on two-stage absorption tower, front, mixed gas arrives third level absorption tower, and the oil temperature here is general to be-20 ℃ (also being clean gasoline).In order to prevent freezing of pipe, in the working procedure also simultaneously with the gas evaporator processing of thawing, use be the temperature of in oil storage tank, the coming out higher clean gasoline that compares.
Aforesaid device for recovering oil and gas is a preferred implementation of the present utility model, and as the most basic inventive concept of the present utility model, the application's independent claims and the technological scheme of specification part are described, on the basis of aforesaid device for recovering oil and gas, record according to present specification, can transform aforementioned device for recovering oil and gas shown in Figure 1, as omit the defrosting oil circuit, change the configuration quantity and the mode on follow-up absorption tower, change the Placement of spray oil circuit etc., and these transformations are and have implemented inventive concept of the present utility model.
Claims (10)
1, the device for recovering oil and gas that pressurization, condensation, spray combine, it is characterized in that comprising gas holder (1), absorption tower group, gas compressor (4), spray oil pump (20), absorb oil pump (16) and heat exchanger package, they are connected to form the oil gas stream, are absorbed stream and spray oil circuit by pipeline:
Described absorption tower group comprises elementary absorption tower (2) and follow-up absorption tower, and described heat exchanger package includes the refrigerator group;
Described gas holder (1), elementary absorption tower (2), gas compressor (4), follow-up absorption tower are in turn connected to form described oil gas stream by pipeline;
Described absorption oil pump (16), refrigerator group, follow-up absorption tower are connected successively by pipeline and form described absorption stream with the absorption return line (21) of drawing from follow-up absorption tower;
Described spray oil pump (20), elementary absorption tower (2) connect successively by pipeline and with elementary absorption tower (2) on the spray return line (22) of drawing form described spray oil circuit.
2, the device for recovering oil and gas that combines of pressurization according to claim 1, condensation, spray, it is characterized in that described follow-up absorption tower comprises two-level absorption tower (5) and the three grades of absorption towers (6,7) that connected by pipeline, described refrigerator group comprises respectively two-stage system cooler (13,11) and the three tier structure cooler (10,9) that links to each other with three grades of absorption towers (6,7) with described two-level absorption tower (5).
3, the device for recovering oil and gas that combines of pressurization according to claim 2, condensation, spray, it is characterized in that described two-level absorption tower (5) has two-layer, described two-stage system cooler (13,11) is for to be two that are connected in series, and the outlet of the oil circuit of former and later two two-stage system coolers is connected to the lower floor and the upper strata of described two-level absorption tower (5) respectively by pipeline.
4, the device for recovering oil and gas that combines of pressurization according to claim 2, condensation, spray, it is characterized in that described heat exchanger package includes defrosting heater (12), the oil circuit outlet of this defrosting heater (12) is connected to described three tier structure cooler (10,9), three grades of absorption towers (6,7) and connecting pipeline thereof by the road.
5, the device for recovering oil and gas that combines according to claim 2,3 or 4 described pressurizations, condensation, spray is characterized in that the absorption return line of described two-level absorption tower (5) is connected to the oil storage portion on three grades of absorption towers.
6, the device for recovering oil and gas that combines according to claim 2,3 or 4 described pressurizations, condensation, spray is characterized in that two groups for correspondence of described three grades of absorption towers (6,7) and three tier structure cooler (10,9).
7, the device for recovering oil and gas that combines of pressurization according to claim 1, condensation, spray, it is characterized in that described heat exchanger package includes spray heater (14), this spray heater (14) is connected between described spray oil pump (20) and elementary absorption tower (2), and described absorption return line (21) is connected to spray heater (14) before.
8, the device for recovering oil and gas that combines according to claim 1 or 7 described pressurizations, condensation, spray is characterized in that described spray return line (22) is connected with the filler opening of described spray oil pump (20).
9, the device for recovering oil and gas that combines of pressurization according to claim 1, condensation, spray is characterized in that being connected with gas-liquid separator (3) between described elementary absorption tower (2) and the air compressor (4).
10, the device for recovering oil and gas that combines according to claim 1,2,3,4,7 or 9 described pressurizations, condensation, spray is characterized in that being connected with pressure regulator valve (8) on the air outlet on described three grades of absorption towers (6,7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620107201 CN200943812Y (en) | 2006-08-30 | 2006-08-30 | Oil and gas recovery device combining pressurization, condensation and sprinkling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620107201 CN200943812Y (en) | 2006-08-30 | 2006-08-30 | Oil and gas recovery device combining pressurization, condensation and sprinkling |
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| Publication Number | Publication Date |
|---|---|
| CN200943812Y true CN200943812Y (en) | 2007-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620107201 Expired - Lifetime CN200943812Y (en) | 2006-08-30 | 2006-08-30 | Oil and gas recovery device combining pressurization, condensation and sprinkling |
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| CN (1) | CN200943812Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102210960A (en) * | 2011-06-10 | 2011-10-12 | 济南世纪华泰科技有限公司 | Technology and equipment for dedusting mixed oil gas |
| CN106697659A (en) * | 2017-01-05 | 2017-05-24 | 成都凯圣捷科技有限公司 | Oil gas recovering system |
-
2006
- 2006-08-30 CN CN 200620107201 patent/CN200943812Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102210960A (en) * | 2011-06-10 | 2011-10-12 | 济南世纪华泰科技有限公司 | Technology and equipment for dedusting mixed oil gas |
| WO2012167513A1 (en) * | 2011-06-10 | 2012-12-13 | 济南世纪华泰科技有限公司 | A dedusting process and device for oil-air mixture |
| CN102210960B (en) * | 2011-06-10 | 2013-06-05 | 济南世纪华泰科技有限公司 | Technology and equipment for dedusting mixed oil gas |
| CN106697659A (en) * | 2017-01-05 | 2017-05-24 | 成都凯圣捷科技有限公司 | Oil gas recovering system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070905 |
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| EXPY | Termination of patent right or utility model |