CN203342421U - Condensation adsorption system for improving service life of oil gas recovery system - Google Patents
Condensation adsorption system for improving service life of oil gas recovery system Download PDFInfo
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- CN203342421U CN203342421U CN 201320034103 CN201320034103U CN203342421U CN 203342421 U CN203342421 U CN 203342421U CN 201320034103 CN201320034103 CN 201320034103 CN 201320034103 U CN201320034103 U CN 201320034103U CN 203342421 U CN203342421 U CN 203342421U
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- activated carbon
- adsorption tank
- service life
- absorbent charcoal
- condensation
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Abstract
The utility model provides a condensation adsorption system for improving the service life of an oil gas recovery system, and the condensation adsorption system is diversified in treatment and recovery manner and good in treatment and recovery effect. The condensation adsorption system for improving the service life of the oil gas recovery system comprises an inlet end, an exhaust fan, a primary condensing unit, a secondary condensing unit and an activated carbon adsorption tank which are connected sequentially, wherein the activated carbon adsorption tank comprises a first activated carbon adsorption tank and a second activated carbon adsorption tank which are connected in parallel; and a vacuum pump is connected between the exhaust fan and the activated carbon adsorption tank. According to the condensation adsorption system, coal-based activated carbon is selected, mechanical properties is better, the wear resistance and the support force are good, and the stack height can be selected in a range of 30 m. The sensitivity of the coal-based activated carbon is lower than that of an activated carbon fiber, so that the system can be used without a special filtering system; and the desorption temperature of the activated carbon is the normal temperature, mechanical wear caused by repeated temperature rising and falling is avoided, the utilization ratio of the activated carbon is increased, and the service life of the activated carbon is prolonged.
Description
Technical field
The utility model relates to a kind of organic volatile gas handling system, especially a kind of process and way of recycling is various, processing and recovering effect good improve the gas recovery system for oil condensation adsorption system in service life.
Background technology
Existing Investigation of Petroleum Vapor Recovery Technology comprises charcoal absorption, condensation, membrane filtration, absorbent recovery process and group technology thereof.The charcoal absorbing process is a kind of conventional process, still, due to the characteristic of active carbon itself, existing complete active carbon combining process equipment, due to vacuumizing or the steam desorption repeatedly, and operating parameter, that active carbon is selected is improper; Make most of active carbon replacement cycle very short, increased operating cost, make environmental protection equipment can not obtain good economy return.
The utility model content
The utility model provide a kind of process and way of recycling is various, processing and recovering effect good improve the gas recovery system for oil condensation adsorption system in service life.
Realize a kind of condensation adsorption combined system of improving the gas recovery system for oil service life of equipment of one of the utility model purpose, comprise the upstream end, air exhauster, one-level condensation unit, B-grade condensation unit and the absorbent charcoal adsorption tank that connect successively; Described absorbent charcoal adsorption tank comprises the first absorbent charcoal adsorption tank and the second absorbent charcoal adsorption tank in parallel; Be connected with vavuum pump between described air exhauster and absorbent charcoal adsorption tank.
Between described one-level condensation unit and B-grade condensation unit, connect respectively a separator and No. two separators between B-grade condensation unit and absorbent charcoal adsorption tank, a described separator is connected with storage tank by oil pump with No. two separators.
Described the first absorbent charcoal adsorption tank is connected with purified gas emptying end with the second absorbent charcoal adsorption tank.
Realize the utility model purpose two improve the gas recovery system for oil condensation adsorption system in service life, comprise the steps:
(1) organic volatile gas by upstream end at first through air exhauster, enter again one-level condensation unit, temperature is down to 0 degree, then enter the B-grade condensation unit, temperature be down to-25 degrees centigrade～below-35 degrees centigrade, enter afterwards the first absorbent charcoal adsorption tank, the organic principle in organic volatile gas by charcoal absorption in hole, air sees through the charcoal layer, and the tail gas that reaches emission request drains into atmosphere by purified gas emptying end;
(2) when the first absorbent charcoal adsorption tank organic volatile gas absorption amount reach certain value, before the first charcoal absorption tank top is about to penetrate, by program control system according to parameters such as predefined time and total adsorbances, automatically switch to the second absorbent charcoal adsorption tank and carry out absorption work, concrete mode is: in sucking gas maximum concentration scope, the flow indication by gas calculates total gas recovery quality.Switch the charcoal tank in absorption in the time of 15 minutes, can guarantee to be discharged into airborne gas content extremely low;
(3) first absorbent charcoal adsorption tanks proceed to the regeneration stage, the vavuum pump smoked by solution is evacuated to below absolute pressure 1KPa it, according to the pressure-variable adsorption principle, be adsorbed on organic molecule in the active carbon hole by desorption out, the high concentration Volatile Gas from top to bottom flows through the charcoal bed, make the charcoal bed obtain degree of depth desorb, finally use the cold nitrogen do not heated to carry out the charcoal bed cooling, recover adsorption capacity.
In absorbent charcoal adsorption tank, the Volatile Gas component of higher concentration is drawn back the condensation unit after vavuum pump vacuumizes, and continues liquefaction, the Volatile Gas component after liquefaction through separator with returned storage tank by oil pump after No. two separators separate, reclaimed.
Advantage of the present utility model is as follows:
1. select active carbon from coal.Comparatively speaking, mechanical performance is better, wear-resistant for active carbon from coal and charcoal fiber; Good supporting force, piling height can be selected in the 30m scope, and cheap, and active carbon from coal sensitiveness is lower than NACF, and filtration system that need not be special can be used;
2. the active carbon desorption temperature is that normal temperature active carbon desorption temperature is normal temperature (environment temperature-20 ℃ to 40 ℃), and the mechanical wear of having avoided lifting temperature repeatedly to cause has increased utilization rate and the service life of active carbon;
3. first pass through filter and B-grade condensation unit, reclaim the oil gas volatilization component more than 60%, reduce greatly the load of active carbon, improved the active carbon utilization rate;
4. according to the proprietary of active carbon, selectively the PLC program is edited, switching charcoal tank before breakthrough point, do not allow the oepration at full load of charcoal tank, can guarantee to be discharged into airborne gas content extremely low before breakthrough point, and the adsorbance of controlling active carbon can reduce the release of heat of adsorption.
The accompanying drawing explanation
Fig. 1 is the structural representation that improves the condensation adsorption system in gas recovery system for oil service life of the present utility model.
The specific embodiment
As shown in Figure 1, improve the gas recovery system for oil condensation adsorption system in service life, its hardware forms upstream end 1, air exhauster 2, one-level condensation unit 3, B-grade condensation unit 4 and the absorbent charcoal adsorption tank that comprises connection successively; Described absorbent charcoal adsorption tank comprises the first absorbent charcoal adsorption tank 5 and the second absorbent charcoal adsorption tank 6 in parallel.
Be connected with vavuum pump 7 between described air exhauster 2 and absorbent charcoal adsorption tank.
Between described one-level condensation unit 3 and B-grade condensation unit 4, connect respectively a separator 8 and No. two separators 9 between B-grade condensation unit 4 and absorbent charcoal adsorption tank, a described separator 8 is connected with storage tank 11 by oil pump 10 with No. two separators 9.
Described the first absorbent charcoal adsorption tank 5 is connected with purified gas emptying end 12 with the second absorbent charcoal adsorption tank 6.
At oil depot, when oil truck loads oil product, oil gas in originally empty oil tank mixes with the oil gas of the liquid form product volatilization of loading mutually with air, the product that this mist is loaded into oil tank replaces, along with liquid is filled with empty oil truck, liquid is extruded air and oil gas from the oil tank top, enter the collecting pipe system by an oil gas flexible pipe, oil gas flows into a gas-liquid separator by the collecting pipe system, this gas-liquid separator can be isolated liquid oil product from oil gas, can also draw back oil tank with pump, afterwards fully not the oil gas of carrying liqs flow into the described gas recovery system for oil of this patent.
The method of organic volatile gas is processed in utilization cryogenic condensation of the present utility model and charcoal absorption, comprises the steps:
(1) organic volatile gas by upstream end at first through air exhauster, enter again one-level condensation unit, temperature is down to 0 degree, then enter the B-grade condensation unit, temperature be down to-25 degrees centigrade～below-35 degrees centigrade, enter afterwards the first absorbent charcoal adsorption tank, the organic principle in organic volatile gas by charcoal absorption in hole, air sees through the charcoal layer, and the tail gas that reaches emission request drains into atmosphere by purified gas emptying end;
(2) when the first absorbent charcoal adsorption tank organic volatile gas absorption amount reach certain value, before the first charcoal absorption tank top is about to penetrate, by program control system according to parameters such as predefined time and total adsorbances, automatically switch to the second absorbent charcoal adsorption tank and carry out absorption work, concrete mode is: in sucking gas maximum concentration scope, the flow indication by gas calculates total gas recovery quality.Switch the charcoal tank in absorption in the time of 15 minutes, can guarantee to be discharged into airborne gas content extremely low;
(3) first absorbent charcoal adsorption tanks proceed to the regeneration stage, the vavuum pump smoked by solution is evacuated to below absolute pressure 1KPa it, according to the pressure-variable adsorption principle, be adsorbed on organic molecule in the active carbon hole by desorption out, the high concentration Volatile Gas from top to bottom flows through the charcoal bed, make the charcoal bed obtain degree of depth desorb, finally use the cold nitrogen do not heated to carry out the charcoal bed cooling, recover adsorption capacity.
In absorbent charcoal adsorption tank, the Volatile Gas component of higher concentration is drawn back the condensation unit after vavuum pump vacuumizes, and continues liquefaction, the Volatile Gas component after liquefaction through separator with returned storage tank by oil pump after No. two separators separate, reclaimed.
Embodiment recited above is described preferred embodiment of the present utility model; not scope of the present utility model is limited; design under spiritual prerequisite not breaking away from the utility model; various distortion and improvement that the common engineers and technicians in this area make technical solutions of the utility model, all should fall in the definite protection domain of claims of the present utility model.
Claims (4)
1. improve the gas recovery system for oil condensation adsorption system in service life, it is characterized in that: its hardware forms upstream end, air exhauster, one-level condensation unit, B-grade condensation unit and the absorbent charcoal adsorption tank that comprises connection successively; Described absorbent charcoal adsorption tank comprises the first absorbent charcoal adsorption tank and the second absorbent charcoal adsorption tank in parallel; Be connected with vavuum pump between described air exhauster and absorbent charcoal adsorption tank.
2. the gas recovery system for oil condensation adsorption system in service life of improving according to claim 1, it is characterized in that: between described one-level condensation unit and B-grade condensation unit, connect respectively a separator and No. two separators between B-grade condensation unit and absorbent charcoal adsorption tank, a described separator is connected with storage tank by oil pump with No. two separators.
3. the gas recovery system for oil condensation adsorption system in service life of improving according to claim 1 and 2, it is characterized in that: described the first absorbent charcoal adsorption tank is connected with purified gas emptying end with the second absorbent charcoal adsorption tank.
4. the gas recovery system for oil condensation adsorption system in service life of improving according to claim 1, is characterized in that, what in the first absorbent charcoal adsorption tank and the second absorbent charcoal adsorption tank, use is active carbon from coal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320034103 CN203342421U (en) | 2013-01-23 | 2013-01-23 | Condensation adsorption system for improving service life of oil gas recovery system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320034103 CN203342421U (en) | 2013-01-23 | 2013-01-23 | Condensation adsorption system for improving service life of oil gas recovery system |
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| CN203342421U true CN203342421U (en) | 2013-12-18 |
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| CN 201320034103 Expired - Lifetime CN203342421U (en) | 2013-01-23 | 2013-01-23 | Condensation adsorption system for improving service life of oil gas recovery system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103111084A (en) * | 2013-01-23 | 2013-05-22 | 海湾环境科技（北京）股份有限公司 | Condensation-adsorption combined process capable of improving the service life of oil vapor recovery system equipment |
| CN108136309A (en) * | 2016-02-05 | 2018-06-08 | 深圳市尚佳能源网络有限责任公司 | Oil gas cryogenic condensation adsorption recovery system |
| 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 |
-
2013
- 2013-01-23 CN CN 201320034103 patent/CN203342421U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103111084A (en) * | 2013-01-23 | 2013-05-22 | 海湾环境科技（北京）股份有限公司 | Condensation-adsorption combined process capable of improving the service life of oil vapor recovery system equipment |
| CN108136309A (en) * | 2016-02-05 | 2018-06-08 | 深圳市尚佳能源网络有限责任公司 | Oil gas cryogenic condensation adsorption recovery system |
| CN108136309B (en) * | 2016-02-05 | 2020-10-27 | 深圳市尚佳能源网络有限责任公司 | Oil gas low-temperature condensation adsorption recovery system |
| 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 |
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Granted publication date: 20131218 |
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| CX01 | Expiry of patent term |