CN203530238U - Oil vapor recovering device adopting dry type adsorption method - Google Patents
Oil vapor recovering device adopting dry type adsorption method Download PDFInfo
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- CN203530238U CN203530238U CN201320611036.4U CN201320611036U CN203530238U CN 203530238 U CN203530238 U CN 203530238U CN 201320611036 U CN201320611036 U CN 201320611036U CN 203530238 U CN203530238 U CN 203530238U
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Abstract
The utility model relates to an oil vapor recovering device adopting a dry type adsorption method. The oil vapor recovering device comprises an active carbon adsorbing system, wherein the vapor inlet of the active carbon adsorbing system is connected to the vapor inlet of an absorbing tower through a vacuum pipeline and a vacuum pump, a lean oil spraying system is arranged at the top of the absorbing tower and is connected to a lean oil tank through a lean oil pipeline and a lean oil pump, the vapor hole in the top of the absorbing tower is connected to a vapor inlet pipeline of the active carbon adsorbing system through a vapor returning pipeline, and the oil outlet in the bottom of the absorbing tower is connected to an oil storage tank through an oil returning pipeline and an oil returning pump. The oil vapor recovering device is compact in structure, small in occupation area, large in operating flexibility, capable of adapting to fluctuation of loading production, reliable in operation, electricity-saving, and high in purifying efficiency; desorption is immediately started by the vacuum pump when the loading amount is larger, and the starting times is reduced when the loading amount is less; the emission on standard is realized.
Description
Technical field
The utility model relates to a kind of device for recovering oil and gas that adopts dry adsorption method.
Background technology
In gasoline entrucking process, can give off the tail gas of oily.The discharge severe contamination of oil gas surrounding enviroment, harm operator's is healthy, brings unsafe factor to operation place, the volatilization of oil gas has simultaneously reduced the quality of gasoline, causes the huge wasting of resources and financial loss.
Utility model content
The problem that the utility model exists for above-mentioned prior art is made improvement, and technical problem to be solved in the utility model is to provide a kind of energy-conserving and environment-protective, purification efficiency is high and the device for recovering oil and gas of the employing dry adsorption method of qualified discharge.
In order to solve the problems of the technologies described above, the technical solution of the utility model is: a kind of device for recovering oil and gas that adopts dry adsorption method, comprise charcoal absorption system, the inlet mouth of described charcoal absorption system is connected to the inlet mouth on absorption tower through vacuum pipe and vacuum pump, top, described absorption tower is provided with oil-poor sprinkling system, described oil-poor sprinkling system is connected to oil-poor tank through oil-poor pipeline and oil-poor pump, the air outlet cooled via return air pipeline at top, described absorption tower is connected to the intake ducting of charcoal absorption system, the oil outlet of bottom, described absorption tower is connected to storage tank through oil returning tube and dump pump.
In further technical scheme, described charcoal absorption system is comprised of the absorbent charcoal adsorption tank of two alternations in parallel.
In further technical scheme, the outlet pipe of described absorbent charcoal adsorption tank is provided with blow down valve.
In further technical scheme, on the intake ducting of described charcoal absorption system, along airintake direction, be provided with successively spark arrester and strainer.
In further technical scheme, described device for recovering oil and gas is to be controlled by PLC.
Compared with prior art, the utlity model has following beneficial effect: this device for recovering oil and gas compact construction, floor space little (being 10000 * 5000 * 4500mm containing basic floor space); Turndown ratio is large, can adapt to the fluctuation of entrucking turnout, and when the loading of freight waggon is larger, vacuum pump starts desorb in time, reduces the number of starts when loading of freight waggon is less, reliable, saves electric power (energy consumption < 35kW); Purification efficiency is high, purification efficiency>=98%(national regulation>=95%), qualified discharge, emission concentration is at standard state≤25g/ m
3.
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
In figure: 1-absorbent charcoal adsorption tank, 2-vacuum pump, 3-absorption tower, the oil-poor sprinkling system of 4-, the oil-poor pump of 5-, 6-dump pump, 7-blow down valve, 8-spark arrester, 9-strainer, 10-return-air duct.
Embodiment
As shown in Figure 1, a kind of device for recovering oil and gas that adopts dry adsorption method, comprise charcoal absorption system, the inlet mouth of described charcoal absorption system bottom is connected to the inlet mouth on absorption tower 3 through vacuum pipe and vacuum pump 2, 3 tops, described absorption tower are provided with oil-poor sprinkling system 4, described oil-poor sprinkling system 4 is connected to oil-poor tank through oil-poor pipeline and oil-poor pump 5, the air outlet cooled via return air pipeline 10 at 3 tops, described absorption tower is connected to the intake ducting of charcoal absorption system, the oil outlet of 3 bottoms, described absorption tower is connected to storage tank through oil returning tube and dump pump 6, described device for recovering oil and gas is to be controlled by PLC.
In the present embodiment, described charcoal absorption system is comprised of the absorbent charcoal adsorption tank 1 of two alternations in parallel, described absorbent charcoal adsorption tank 1 is designed to circle (φ 2200 * 4800), pressing force Vessel Design is manufactured, described absorbent charcoal adsorption tank 1 is mainly comprised of tank body, dividing plate and gas distributor etc., during absorption, in atmospheric pressure state, during desorb, vacuum tightness can reach 0.098MPa; The outlet pipe of described absorbent charcoal adsorption tank 1 is provided with blow down valve 7, on the intake ducting of described charcoal absorption system, along airintake direction, is provided with successively spark arrester 8 and strainer 9.
In the present embodiment, described gac selects to be exclusively used in the ature of coal charcoal of absorption oil gas, and filling quality 2000kg/ tank (granulated active carbon, iodine number >=1000mg/g) has that absorption property is high, the feature of easy desorption, and be generally about 10 years work-ing life.Described vacuum pump 2 is selected import screw-type vacuum pump, safe and reliable to operation, safeguards simple.Described absorption tower 3(φ 600 * 6300) the liquid distributor Deng You specialized factory and in tower designs and produces, in-built waved plate structured packing, and matter exchange is effective, and cost performance is high.Described oil-poor pump 5 is selected chemical liquid private mask pump, safety non-leakage.
The utility model adopts dry adsorption method (to process petrol gas amount: 300m
3/ h), adopt charcoal absorption+dry vacuum pump desorb+Poor oil absorbing technique, using gac as sorbing material, utilize the very big specific surface area of gac, the hydrocarbon in active adsorption oil gas.This device for recovering oil and gas is provided with the absorbent charcoal adsorption tank 1 of alternation, adsorption process is carried out under normal pressure, desorption process provides negative pressure to complete by vacuum pump 2, oil gas after desorb enters absorption tower 3, by oil-poor pump 5, send into oil-poor spray-absorption, whole process is automatic operation under PLC controls, each processing step is in strict accordance with sequential control, temperature, pressure, the operating mode of flow and valve position shows in real time, fault and alarm display position, make the absorption of adsorber, desorb and absorb circular flow continuously and stably, operator only needs regularly cruising, record data.
Specific works flow process of the present utility model is as follows: the oil gas producing during entrucking, after spark arrester 8 and strainer 9, enter absorbent charcoal adsorption tank 1, by the active carbon bed in tank, oil gas molecule is by charcoal absorption from bottom to top, and Purge gas is discharged after tested.Two absorbent charcoal adsorption tanks 1 switch operatings mutually in parallel, when adsorption tanks adsorb when saturated, are switched to another adsorption tanks and adsorb, and adsorb saturated absorbent charcoal adsorption tank 1 simultaneously and start desorb.During desorb, vacuum pump 2 is opened the pressure reducing in adsorption tanks, be adsorbed on oil gas on gac and be desorbed and get off to send into absorption tower 3, the desorb later stage is sent into a small amount of air by blow down valve 7, purges active carbon bed, to a greater extent oil gas desorb is got off, complete active carbon bed regeneration simultaneously.The high-concentration oil vapor gas that desorb is got off is directly sent into absorption tower 3 by vacuum pump 2, the oil-poor reverse liquefy gasoline that contacts getting off with absorption tower 3 top sprays, a small amount of unabsorbed oil gas is sent adsorption system back to by return-air duct and is again adsorbed, and liquid gasoline is sent storage tank back to by dump pump 6.Whole process is operation automatically continuously under PLC controls.
The foregoing is only preferred embodiment of the present utility model, all equalizations of doing according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (5)
1. a device for recovering oil and gas that adopts dry adsorption method, it is characterized in that: comprise charcoal absorption system, the inlet mouth of described charcoal absorption system is connected to the inlet mouth on absorption tower through vacuum pipe and vacuum pump, top, described absorption tower is provided with oil-poor sprinkling system, described oil-poor sprinkling system is connected to oil-poor tank through oil-poor pipeline and oil-poor pump, the air outlet cooled via return air pipeline at top, described absorption tower is connected to the intake ducting of charcoal absorption system, and the oil outlet of bottom, described absorption tower is connected to storage tank through oil returning tube and dump pump.
2. the device for recovering oil and gas of employing dry adsorption method according to claim 1, is characterized in that: described charcoal absorption system is comprised of the absorbent charcoal adsorption tank of two alternations in parallel.
3. the device for recovering oil and gas of employing dry adsorption method according to claim 2, is characterized in that: the outlet pipe of described absorbent charcoal adsorption tank is provided with blow down valve.
4. the device for recovering oil and gas of employing dry adsorption method according to claim 1, is characterized in that: on the intake ducting of described charcoal absorption system, along airintake direction, be provided with successively spark arrester and strainer.
5. the device for recovering oil and gas of employing dry adsorption method according to claim 1, is characterized in that: described device for recovering oil and gas is to be controlled by PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320611036.4U CN203530238U (en) | 2013-09-30 | 2013-09-30 | Oil vapor recovering device adopting dry type adsorption method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320611036.4U CN203530238U (en) | 2013-09-30 | 2013-09-30 | Oil vapor recovering device adopting dry type adsorption method |
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| CN203530238U true CN203530238U (en) | 2014-04-09 |
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| CN201320611036.4U Expired - Fee Related CN203530238U (en) | 2013-09-30 | 2013-09-30 | Oil vapor recovering device adopting dry type adsorption method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103933833A (en) * | 2014-05-13 | 2014-07-23 | 中国石油集团东北炼化工程有限公司葫芦岛设计院 | Oil-gas adsorption and absorption technical method |
| CN107961642A (en) * | 2017-12-01 | 2018-04-27 | 河北东厚环保科技有限公司 | Gas recovery system for oil based on high throughput nanometer adsorbent bed |
| CN107970747A (en) * | 2017-12-01 | 2018-05-01 | 河北东厚环保科技有限公司 | Can remote monitoring oil gas automation recovery system |
| CN108194990A (en) * | 2018-01-30 | 2018-06-22 | 四川特空科技有限公司 | A kind of binary channels negative pressure air purifier |
| CN108753355A (en) * | 2018-05-22 | 2018-11-06 | 山东新达能环保科技有限公司 | A kind of binary channels gas recovery system for oil and method |
-
2013
- 2013-09-30 CN CN201320611036.4U patent/CN203530238U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103933833A (en) * | 2014-05-13 | 2014-07-23 | 中国石油集团东北炼化工程有限公司葫芦岛设计院 | Oil-gas adsorption and absorption technical method |
| CN103933833B (en) * | 2014-05-13 | 2016-03-02 | 中国石油集团东北炼化工程有限公司葫芦岛设计院 | A kind of oil gas absorption and the process absorbed |
| CN107961642A (en) * | 2017-12-01 | 2018-04-27 | 河北东厚环保科技有限公司 | Gas recovery system for oil based on high throughput nanometer adsorbent bed |
| CN107970747A (en) * | 2017-12-01 | 2018-05-01 | 河北东厚环保科技有限公司 | Can remote monitoring oil gas automation recovery system |
| CN107970747B (en) * | 2017-12-01 | 2021-01-29 | 河北东厚环保科技有限公司 | Oil gas automatic recovery system capable of being remotely monitored |
| CN108194990A (en) * | 2018-01-30 | 2018-06-22 | 四川特空科技有限公司 | A kind of binary channels negative pressure air purifier |
| CN108753355A (en) * | 2018-05-22 | 2018-11-06 | 山东新达能环保科技有限公司 | A kind of binary channels gas recovery system for oil and method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20150930 |
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| EXPY | Termination of patent right or utility model |