CN203342617U - System for treating and recycling benzene oil gas - Google Patents
System for treating and recycling benzene oil gas Download PDFInfo
- Publication number
- CN203342617U CN203342617U CN 201320037494 CN201320037494U CN203342617U CN 203342617 U CN203342617 U CN 203342617U CN 201320037494 CN201320037494 CN 201320037494 CN 201320037494 U CN201320037494 U CN 201320037494U CN 203342617 U CN203342617 U CN 203342617U
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- absorption tower
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- storage tank
- oil gas
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Abstract
The utility model provides a system for treating and recycling benzene oil gas in a carbon absorption and solvent absorption manner. The system comprises an oil gas feeding end, activated carbon canisters, a gas returning pipe, an absorption tower and an oil storage tank, wherein the activated carbon canisters comprise a first activated carbon canister and a second activated carbon canister which are connected in parallel; the activated carbon canisters are connected with an electric tracing band and a vacuum pump sequentially, and an output end of the vacuum pump is connected with the absorption tower; and an oil inlet of the oil storage tank is connected with the absorption tower through an oil-rich pump, and an oil outlet of the oil storage tank is connected with the absorption tower through an oil-poor pump. According to the system, triphenyl gas is heated by tracing heat at a pipe section, so that the boiling point is reduced during vacuum pumping, and the desorption process is facilitated; gasoline, diesel oil or a benzene mixture is used as an absorption agent for recycling benzene volatile gas, and the purposes of energy conservation and environment protection are achieved; and the complete set of device is simple in process and remarkable in effect.
Description
Technical field
The utility model relates to a kind of oil gas to be processed and recovery system, especially a kind of process and way of recycling is various, processing and the good processing of recovering effect and the novel system of recovery benzene class entrucking oil gas.
Background technology
On market, ripe product oil entrucking Investigation of Petroleum Vapor Recovery Technology is arranged now, but reclaim and there is no ripe technology for benzene,toluene,xylene oil gas when the entrucking.
Because the fusing point of benzene is higher, the oil gas that existing condensation process can not meet the benzene class reclaims requirement; Because the condensation temperature parameter is difficult for choosing and wayward, and existing simple charcoal absorption can not meet with the solvent absorption group technology relevant national standard requirement that benzene class oil gas reclaims.
The utility model content
For addressing the above problem, the utility model provides a kind of and has processed and way of recycling is various, the novel system of processing and the good processing recovery benzene class entrucking oil gas of recovering effect.
Realize a kind of system that reclaims benzene class oil gas of processing of the utility model purpose, comprise the oil gas upstream end, charcoal canister, muffler, absorption tower and the oil storage tank that connect successively; Described charcoal canister comprises the first charcoal canister and second charcoal canister of two parallel connections; Described charcoal canister also is connected with electric-heating belt and vavuum pump in turn, and described vacuum delivery side of pump is connected with absorption tower; The oil-in of described oil storage tank is connected with absorption tower by the rich oil pump, and the oil-out of described oil storage tank is connected with absorption tower by oil-poor pump.
The vavuum pump that vavuum pump is final vacuum<0.01mbar.
Described muffler is provided with pressure transmitter, for detection of pressure.The assurance system is in pressure balance.
A kind of system that reclaims benzene class oil gas of processing described in the utility model comprises following job step:
(1) at first oil gas enter adsorption tanks and carry out oil gas absorption work, and adsorption tanks comprise the absorbent charcoal adsorption tank of two alternations, and when one of them charcoal canister carries out oil gas absorption work, another charcoal canister carries out charcoal bed reproduction operation;
(2) regenerative process is that vavuum pump vacuumizes the oil gas molecule on the desorption active carbon, and the oil gas of the higher concentration from the active carbon desorption contacts with absorbent is reverse in Nei， absorption tower, vacuum pumping absorption tower;
(3) oil gas that oil gas absorption work is adsorbed is heated and is incubated processing through electric-heating belt, and heating-up temperature remains on 85 ℃～95 ℃;
(4) dumped packing in absorption tower provides absorbing surface for gas-liquid contact, is absorbed agent at absorbing surface oil gas and absorbs, and by rich oil, is pumped in oil storage tank afterwards, reaches the purpose of recovery;
(5) oil-poor in oil storage tank can be again after oil-poor pump is delivered to absorption tower and carries out the double absorption processing, again be transported to oil storage tank by the rich oil pump and realize reclaiming.
The adsorption time of described absorbent charcoal adsorption tank is that 10--15 minute, desorption time are 3--5 minute.
The upper, middle and lower layer of the bed of described absorbent charcoal adsorption tank is mounting temperature sensor respectively, and temperature is in the time of 120 ℃, and the switching absorbent charcoal adsorption tank is vacuumized cooling, and when temperature surpasses 125 ℃, equipment alarm is shut down.
Solvent in described absorption tower is that gasoline, diesel oil or benzene kind solvent are reclaimed.
In absorption tower, liquid vapour molar flow ratio is 40: 1.Guarantee stable exhaust gas bulk concentration.Due to absorption tower efficiency, in 80% left and right, unabsorbed gases also will be got back to the charcoal tank and re-start the absorption removal process.
A kind of system that reclaims benzene class oil gas of processing described in the utility model, the technique that adopts charcoal absorption to combine with solvent absorption, processed and reclaimed benzene,toluene,xylene entrucking gas, filled up blank in the industry; By pipeline section, accompany heat to make the triphen gas heating, reach while vacuumizing and to reduce boiling point and be conducive to desorption process; Utilize gasoline or diesel oil or mixed benzene to make absorbent and reclaim benzene class Volatile Gas, reach the energy-saving and environmental protection purpose.
The accompanying drawing explanation
Fig. 1 is a kind of structural representation of processing the system that reclaims benzene class oil gas of the present utility model.
The specific embodiment
As shown in Figure 1, a kind of system that reclaims benzene class oil gas of processing of the present utility model, comprise the oil gas upstream end 1, charcoal canister, muffler 10, absorption tower 5 and the oil storage tank 8 that connect successively; Described charcoal canister comprises the first charcoal canister 2 and second charcoal canister 3 of two parallel connections; Described charcoal canister also is connected with electric-heating belt 9 and vavuum pump 4 in turn, and the output of described vavuum pump 4 is connected with absorption tower 5; The oil-in of described oil storage tank 8 is connected with absorption tower 5 by rich oil pump 6, and the oil-out of described oil storage tank 8 is connected with absorption tower 5 by oil-poor pump 7.
The vavuum pump that vavuum pump 4 is final vacuum<0.01mbar.
Described muffler 10 is provided with pressure transmitter, for detection of pressure.The assurance system is in pressure balance.
A kind of system that reclaims benzene class oil gas of processing described in the utility model comprises following job step:
(1) at first oil gas enter adsorption tanks and carry out oil gas absorption work, and adsorption tanks comprise the absorbent charcoal adsorption tank of two alternations, and when one of them charcoal canister carries out oil gas absorption work, another charcoal canister carries out charcoal bed reproduction operation;
(2) regenerative process is that vavuum pump vacuumizes the oil gas molecule on the desorption active carbon, and the oil gas of the higher concentration from the active carbon desorption contacts with absorbent is reverse in Nei， absorption tower, vacuum pumping absorption tower;
(3) oil gas that oil gas absorption work is adsorbed is heated and is incubated processing through electric-heating belt, and heating-up temperature remains on 90 ℃～95 ℃;
(4) dumped packing in absorption tower provides absorbing surface for gas-liquid contact, is absorbed agent at absorbing surface oil gas and absorbs, and by rich oil, is pumped in oil storage tank afterwards, reaches the purpose of recovery;
(5) oil-poor in oil storage tank can be again after oil-poor pump is delivered to absorption tower and absorbs and process, again be transported to oil storage tank by the rich oil pump and realize reclaiming.
The adsorption time of described absorbent charcoal adsorption tank is that 10--15 minute, desorption time are 3--5 minute.
The upper, middle and lower layer of the bed of described absorbent charcoal adsorption tank is mounting temperature sensor respectively, and temperature is in the time of 120 ℃, and the switching absorbent charcoal adsorption tank is vacuumized cooling, and when temperature surpasses 125 ℃, equipment alarm is shut down.
Solvent in described absorption tower is that gasoline, diesel oil or benzene kind solvent are reclaimed.
In absorption tower, liquid vapour molar flow ratio is 40: 1.Guarantee stable exhaust gas bulk concentration.Due to absorption tower efficiency, in 80% left and right, unabsorbed gases also will be got back to the charcoal tank and re-start the absorption removal process.
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. process the system that reclaims benzene class oil gas for one kind, comprise the oil gas upstream end, charcoal canister, muffler, absorption tower and the oil storage tank that connect successively; Described charcoal canister comprises the first charcoal canister and second charcoal canister of two parallel connections; Described charcoal canister also is connected with electric-heating belt and vavuum pump in turn, and described vacuum delivery side of pump is connected with absorption tower; The oil-in of described oil storage tank is connected with absorption tower by the rich oil pump, and the oil-out of described oil storage tank is connected with absorption tower by oil-poor pump.
2. a kind of system that reclaims benzene class oil gas of processing according to claim 1, is characterized in that: the vavuum pump that vavuum pump is final vacuum<0.01mbar.
3. according to the arbitrary described a kind of system that reclaims benzene class oil gas of processing of claim 1 or 2, it is characterized in that: described muffler is provided with pressure transmitter, for detection of pressure.
4. a kind of system that reclaims benzene class oil gas of processing according to claim 1, it is characterized in that: the solvent in described absorption tower is gasoline, diesel oil or benzene kind solvent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320037494 CN203342617U (en) | 2013-01-24 | 2013-01-24 | System for treating and recycling benzene oil gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320037494 CN203342617U (en) | 2013-01-24 | 2013-01-24 | System for treating and recycling benzene oil gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203342617U true CN203342617U (en) | 2013-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320037494 Expired - Lifetime CN203342617U (en) | 2013-01-24 | 2013-01-24 | System for treating and recycling benzene oil gas |
Country Status (1)
| Country | Link |
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| CN (1) | CN203342617U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103111156A (en) * | 2013-01-24 | 2013-05-22 | 海湾环境科技（北京）股份有限公司 | System and method for treating and recycling benzene oil gases |
| CN105879423A (en) * | 2016-05-16 | 2016-08-24 | 湖北楚天蓝环保设备工程有限公司 | Benzene recovering and treating device and treating method thereof |
| CN111471479A (en) * | 2020-04-14 | 2020-07-31 | 青岛飞普思环保科技有限公司 | Oil absorption process for oil gas recovery |
-
2013
- 2013-01-24 CN CN 201320037494 patent/CN203342617U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103111156A (en) * | 2013-01-24 | 2013-05-22 | 海湾环境科技（北京）股份有限公司 | System and method for treating and recycling benzene oil gases |
| CN105879423A (en) * | 2016-05-16 | 2016-08-24 | 湖北楚天蓝环保设备工程有限公司 | Benzene recovering and treating device and treating method thereof |
| CN111471479A (en) * | 2020-04-14 | 2020-07-31 | 青岛飞普思环保科技有限公司 | Oil absorption process for oil gas recovery |
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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: 20131218 |
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| CX01 | Expiry of patent term |