CN202778197U - Oil-gas recovery treatment system - Google Patents
Oil-gas recovery treatment system Download PDFInfo
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- CN202778197U CN202778197U CN 201220370745 CN201220370745U CN202778197U CN 202778197 U CN202778197 U CN 202778197U CN 201220370745 CN201220370745 CN 201220370745 CN 201220370745 U CN201220370745 U CN 201220370745U CN 202778197 U CN202778197 U CN 202778197U
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Abstract
The utility model relates to an oil-gas recovery treatment system which comprises a gas-liquid separation device, an adsorption separating device, an absorption extraction device and a storage device, wherein the storage device is respectively connected with the gas-liquid separation device and the absorption extraction device; the gas-liquid separation device is connected with the absorption extraction device; the absorption extraction device is connected with the adsorption separating device; the adsorption separating device is in more than one stage; and the absorption extraction device is in more than one stage. The oil-gas recovery treatment system fully solves the problem of full and thorough recovery of hydrocarbon component in oil gas, effectively avoids energy waste, and is remarkable in effects of energy conservation and environment protection, low in economic cost as well as simple, convenient and safe in operation, thus being suitable for being popularized and applied in the related fields of carbon-containing hydrocarbon oil gas recovery.
Description
Technical field
The utility model relates to the oil gas processing technology field, relates in particular to a kind of oil gas recovery processing system.
Background technology
At present, in exploitation, processing and the application process of former wet goods oil product, the large gauging energy waste and the problem of environmental pollution that often cause with exhaust of oil or burning, and the Health and Living of correlated crowd is had a strong impact on, therefore, need the technology that can effectively recycle these oil gas of researching and developing out badly.
In the prior art, utility model patent ZL200710012088.9 relates to a kind of oil-gas recovery method, adopts the oil gas of cooling-condensation-absorption-vacuum regeneration-regeneration gas circulation to reclaim technique, and the cooling medium that cooling step uses uses condensed oil gas.The safety that this utility model reclaims oil gas obtains reliable guarantee, but, power consumption is larger aspect condensing cooling, and the adequacy Yin Wendu of absorption reduces and to some extent impact, simultaneously, it is excessively low to reclaim initial temperature, the speed of oil gas operation is affected, thereby the efficient that causes reclaiming is affected.
Utility model patent ZL200410023944.7 provides a kind of device for recovering oil and gas, one adsorption tanks are arranged, the activated carbon adsorption bed layer is housed in this adsorption tanks, air intake control valve and desorb valve are equipped with in the import department that it is characterized in that adsorption tanks, the latter is communicated with the entrance of vavuum pump, and the outlet of adsorption tanks connects an exhaust-valve; Import at air intake control valve connects a flowmeter, and is connected a gas concentration meter between the outlet of adsorption tanks and exhaust-valve.This adsorption separation device of the present utility model is simple, certain effect is being arranged aspect the recycling of oil gas, the security control aspect has guarantee to a certain degree, but, simple and easy single adsorption treatment for the oil gas with various ingredients, is difficult to reach high efficiente callback, and then make inevitably discharging gas to environment, simultaneously.Cause the distribution of recovery product component and content can not reach corresponding Application standard, its recycling is existed again process the processing problem, therefore, though the scope of application is wide, be not suitable for applying.
The utility model content
The purpose of this utility model is that the problem for prior art exists provides a kind of oil gas recovery processing system, realizes the high efficiente callback of oil gas is processed, and reaches effects of energy conservation and environmental protection.
The technical scheme that the utility model is dealt with problems is: a kind of oil gas recovery processing system comprises gas-liquid separation device, absorption absorbing separator, absorbing separator and storage device; Described storage device is connected with absorbing separator with described gas-liquid separation device respectively; Described gas-liquid separation device is connected with absorbing separator; Described absorbing separator is connected with described absorption absorbing separator; Described absorption absorbing separator is the above absorption absorbing separator of one-level, and described absorbing separator is the above absorbing separator of one-level.
Further, described absorbing separator is the secondary absorbing separator, comprises interconnective first order absorbing separator and second level absorbing separator; Described absorption absorbing separator is one-level absorption absorbing separator, comprises interconnective adsorbent equipment, desorption apparatus and adsorbate absorption plant; Described gas-liquid separation device is connected with described first order absorbing separator; Described storage device comprises fluid storage device and gas storage device, and described fluid storage device is connected with described gas-liquid separation device, and described atmosphere storage device is connected with described second level absorbing separator.
Preferably, between described first order absorbing separator and second level absorbing separator, be provided with evaporating separation device.
Further:
Described first order absorbing separator comprises interconnective first order absorption tower and first order absorbent feedway; Described evaporating separation device is vacuum flasher; Described second level absorbing separator comprises absorption tower, the interconnective second level and second level absorbent feedway;
The top on described first order absorption tower is connected by the vacuum flasher circulating pump with the bottom of described vacuum flasher, and the bottom on described first order absorption tower is connected by first order absorption tower circulating pump with the top of described vacuum flasher; The bottom on absorption tower, the described second level is connected by the flash vacuum pump with the top of described vacuum flasher;
The top on absorption tower, the described second level is connected with described second level absorbent feedway by second level absorbent supply pump, and the bottom on absorption tower, the described second level is connected with second level absorbent feedway by second level absorption product rear pump;
Described adsorbent equipment comprises the first adsorption tower and the second adsorption tower that can alternately change use; Described desorption apparatus is the desorb vavuum pump; Described adsorbate absorption plant comprises interconnective adsorbate absorption tower and adsorbate absorbent feedway;
The bottom of described the first adsorption tower and the second adsorption tower is connected with described desorb vavuum pump, and described desorb vavuum pump is connected with described adsorbate absorption tower;
The top on described adsorbate absorption tower is connected with described adsorbate absorbent feedway by adsorbate absorbent supply pump, and the bottom on described adsorbate absorption tower is connected with adsorbate absorbent feedway by absorption absorption product rear pump;
The bottom of described the first adsorption tower and the second adsorption tower is connected by the top of one-level absorption and separation pipe-line with described first order absorption tower;
Described gas-liquid separation device is connected with described first order absorption tower by the oil gas input channel.
Preferably, described second level absorbent feedway and described adsorbate absorbent feedway are same device; The top on described adsorbate absorption tower is connected with the bottom on described first order absorption tower.
Further, be provided with the online concentration analyzer of measuring effluent concentration at the top exit place of described the first adsorption tower and the second adsorption tower; Be provided with activated carbon adsorption bed in described the first adsorption tower and the second adsorption tower.
Further, the up and down two ends of described adsorbent equipment are provided with input control valve and discharge control valve, are provided with the desorb control valve on described adsorbent equipment and the pipeline that described desorption apparatus is connected; Preferably, the bottom of described the first adsorption tower and the second adsorption tower and top are respectively arranged with one-level absorption and separation oil gas input control valve and adsorption cleaning gas dump valve; Described the first adsorption tower bottom is connected with the desorb vavuum pump by the desorb control valve.
The utility model also provides a kind of oil gas recovery processing technique, comprises the steps:
(1) gas-liquid separation
Oil gas is sent into gas-liquid separation device through the oil gas input system and is carried out gas-liquid separation, obtains gaseous products and liquid product, and the gained liquid product enters fluid storage device, and the gained gaseous products enters absorbing separator;
(2) absorption and separation
Absorbing separator carries out absorption and separation to step (1) gained gaseous products, obtains gaseous state absorption and separation product and liquid absorption product, gained gaseous state absorption and separation product input absorption absorbing separator, and the liquid absorption product of gained reclaims;
(3) absorption absorption and separation
The absorption absorbing separator adsorbs absorption and separation to step (2) gained gaseous state absorption and separation product, obtains gaseous state absorption absorption and separation thing and reclaims respectively with liquid absorption absorption and separation product.
Further, in step (1), step (1) gained gaseous products is input to absorbing separator by the oil gas input channel; In step (2), described absorbing separator is the secondary absorbing separator, and step (1) gained gaseous products carries out first order absorption and separation and second level absorption and separation through first order absorbing separator and second level absorbing separator successively; In step (3), described absorption absorbing separator is one-level absorption absorbing separator, first order absorption and separation gained first order absorption and separation gaseous products enters by one-level absorption and separation pipe-line in the step (2), absorbs with the adsorbate absorption plant through the desorb of adsorbent equipment Adsorption and desorption device successively and separates.
Preferably, in step (2), gained first order absorption and separation liquid product enters evaporating separation device after step (1) the gained gaseous products process first order absorption and separation, gained evaporation separating gaseous product enters second level absorbing separator and carries out second level absorption and separation after evaporation separates, and the gained evaporation separates liquid product input first order absorbing separator after evaporation separates.
Further:
In step (2), described first order absorbing separator comprises interconnective first order absorption tower and first order absorbent feedway; Described evaporating separation device is vacuum flasher; Described second level absorbing separator comprises absorption tower, the interconnective second level and second level absorbent feedway; In step (3), described adsorbent equipment comprises the first adsorption tower and the second adsorption tower that can alternately change use; Described desorption apparatus is the desorb vavuum pump; Described adsorbate absorption plant comprises interconnective adsorbate absorption tower and adsorbate absorbent feedway;
In step (2), described first order absorbent feedway is to described first order absorption tower input first order absorbent, after step (1) gained gaseous products enters first order absorption tower by the oil gas input channel, carry out first order absorption and separation with first order absorbent phase counter current contacting from bottom to top, gained first order absorption and separation gaseous products carries out step (3), gained first order absorption and separation liquid product enters by the top of first order absorption tower circulating pump by described vacuum flasher from the bottom on described first order absorption tower, carries out vacuum flashing and separates; In vacuum flasher, after first order absorption and separation liquid product carries out the vacuum flashing separation, gained flash separation liquid product is entered as first order absorbent by the top on first order absorption tower by the vacuum flasher circulating pump from the bottom of vacuum flasher and carries out first order absorption and separation, gained flash separation gaseous products enters by the bottom of flash vacuum pump by absorption tower, the second level from the top of vacuum flasher, carries out second level absorption and separation; In absorption tower, the second level, the flash separation gaseous products that enters carries out second level absorption and separation with the second level absorbent phase counter current contacting of being supplied with by second level absorbent feedway from bottom to top, gained second level absorption and separation gaseous products enters gas concentration unit, and gained second level absorption and separation liquid product enters second level absorbent feedway from the bottom on absorption tower, the second level by second level absorption product rear pump; Wherein, described second level absorbent is entered by the top of second level absorbent supply pump from absorption tower, the described second level by second level absorbent feedway;
In step (3), step (2) gained first order absorption and separation gaseous products enters described the first adsorption tower by one-level absorption and separation pipe-line or the second adsorption tower carries out adsorbing separation, the gained adsorbate enters the adsorbate absorption tower after the desorb vavuum pump is resolved, carry out absorption and separation with the adsorbate absorbent phase counter current contacting from adsorbate absorbent feedway from bottom to top, gained absorption absorption and separation gaseous products enters gas concentration unit, and gained absorption absorption and separation liquid product enters adsorbate absorbent feedway from the bottom on adsorbate absorption tower by absorption absorption product rear pump; Wherein, described adsorbate absorbent is entered by the top of adsorbate absorbent supply pump from described adsorbate absorption tower by described adsorbate absorbent feedway.
Preferably, second level absorbent feedway described in the step (2) and the described adsorbate absorbent of step (3) feedway are same device.
Preferably, in step (2), described first order absorbent is kerosene, and described second level absorbent is gasoline; The adsorbate absorbent is gasoline described in the step (3).
Preferably, gained absorption absorption and separation gaseous products enters first order absorption tower in step (3), and absorption and separation circulates.
Preferably, in step (3), be provided with the online concentration analyzer of measuring effluent concentration at the top exit place of described the first adsorption tower and the second adsorption tower, the concentration that records effluent by online concentration analyzer analysis reaches 20g/m
3When above, change the first adsorption tower or the second adsorption tower that adsorb; On the first absorption tower or second absorption tower when beginning to adsorb, the first absorption tower or the second absorption tower that changes carried out desorb.
Preferably, in step (3), be provided with adsorbent bed in described the first adsorption tower and the second adsorption tower, adsorbent is active carbon; Preferably, the active carbon of activated carbon of sorbent for processing through acid wash passivation, its specific surface is 1,600,000 ~ 2,600,000m
2/ kg can also select pore structure and the corresponding adsorbents of specific surface such as silica gel, aluminium oxide, molecular sieve according to actual conditions; Purified gas main component after active-carbon bed absorption is nitrogen, oxygen, reaches cleanliness standard, can enter atmosphere.
Further, in step (3), the gained purified gas is discharged by adsorption cleaning gas dump valve after the adsorbing separation; By the desorb vavuum pump to the active-carbon bed vacuum desorption that carries out, hydrocarbon volume concentration in the high-concentration oil vapor after the desorb 80%.
Further, in step (3), absorption absorption and separation gaseous products can divide two parts or many parts to process as required, a part directly enters the atmosphere storage device, other parts enter first order absorption tower and are absorbed or the uses such as gas puts into production that act as a fuel by the first order absorbent degree of depth, and the ratio of described each several part can be adjusted according to actual needs.
The utility model oil gas recovery processing system is the absorption recovery and processing system of circulation absorption, gas-liquid separation device and absorption plant at different levels and the setting of adsorbing absorption plant, make oil gas after preliminary gas-liquid separation, obtain circulation absorption and absorb processing, oil gas is reclaimed thoroughly, fully realize energy-conserving and environment-protective; When application the utility model carried out the oil gas recycling, the Multistage Circulating to oil gas in the described step (2) absorbed, and the abundant recovery of oil gas is protected, and simultaneously, oil gas is purified be protected; In the described step (3), to the absorption absorption and separation of oil gas, the abundant recovery of oil gas is further ensured; And make products obtained therefrom, and can directly come into operation, oil gas is recycled be protected fully.Use the utility model oil gas is reclaimed, last gained purifies the concentration of hydrocarbon in gas less than 25g/m
3, can not pollute air, resident's health was without impact near the relevant staff was reached; The recycled in its entirety rate of oil gas reaches more than 95%; In whole technical process, mainly to carry out at normal temperatures, power consumption is few, and has ensured the high safety of operation, also makes system easy to operation.
Compared with prior art, the beneficial effects of the utility model are:
1, the utility model is rationally novel in design, and the simple and environmental protection of technological process absorbs the circulating recycling that combines by multistage absorption and absorption, has realized the abundant recovery of hydrocarbon components in the oil gas, has effectively avoided energy waste;
2, innovative design of the present utility model; simple operation is efficient; when making external environment obtain adequately protecting; realized the abundant saving of the energy; financial cost is low; easy and simple to handle and safety and stability is suitable for reclaiming in the association area at the oil gas that oil depot and oil field etc. relates to the carbon containing hydrocarbon and applies, and is particularly useful for crude oil vapor and reclaims the field.
Description of drawings
Fig. 1 is the structural representation of the utility model oil gas recovery processing system.
Shown in the figure: 1-oil gas input system, the 2-gas-liquid separation device, 3-first order absorption tower, 4-vacuum flasher, absorption tower, the 5-second level, 6-second level absorbent feedway, 7-vacuum flasher circulating pump, 8-first order absorption tower circulating pump, 9-flash vacuum pump, 10-second level absorbent supply pump, 11-second level absorption product rear pump, 12-oil gas input channel, 13-the first adsorption tower, 14-the second adsorption tower, 15-desorb vavuum pump, 16-adsorbate absorption tower, 17-adsorbate absorbent supply pump, 18-absorption absorption product rear pump, 19-one-level absorption and separation pipe-line, 20-one-level absorption and separation oil gas input control valve, 21-adsorption cleaning gas dump valve, 22-desorb control valve, 23-fluid storage device, 24-atmosphere storage device.
The specific embodiment
Embodiment 1
As shown in Figure 1, the utility model oil gas recovery processing system comprises oil gas input system 1, gas-liquid separation device 2, absorption absorbing separator, absorbing separator and storage device; Described storage device is connected with absorbing separator with described gas-liquid separation device respectively; Described gas-liquid separation device is connected with absorbing separator; Described absorbing separator is connected with described absorption absorbing separator; Wherein:
Described absorbing separator is the secondary absorbing separator, comprises interconnective first order absorbing separator and second level absorbing separator; Between described first order absorbing separator and second level absorbing separator, be provided with evaporating separation device; Described first order absorbing separator comprises interconnective first order absorption tower 3 and first order absorbent feedway (not shown); Described evaporating separation device is vacuum flasher 4; Described second level absorbing separator comprises absorption tower, the interconnective second level 5 and second level absorbent feedway 6; The top on first order absorption tower 3 is connected by vacuum flasher circulating pump 7 with the bottom of vacuum flasher 4, and the bottom on first order absorption tower 3 is connected by first order absorption tower circulating pump 8 with the top of vacuum flasher 4; The bottom on absorption tower, the second level 5 is connected by flash vacuum pump 9 with the top of vacuum flasher 4; The top on absorption tower, the second level 5 is connected with second level absorbent feedway 6 by second level absorbent supply pump 10, and the bottom on absorption tower, the second level 5 is connected with second level absorbent feedway 6 by second level absorption product rear pump 11;
Gas-liquid separation device 2 is connected with first order absorption tower 3 by oil gas input channel 12;
Described absorption absorbing separator is one-level absorption absorbing separator, comprises interconnective adsorbent equipment, desorption apparatus and adsorbate absorption plant; Described adsorbent equipment comprises the first adsorption tower 13 and the second adsorption tower 14 that can alternately change use; Described desorption apparatus is desorb vavuum pump 15; Described adsorbate absorption plant comprises interconnective adsorbate absorption tower 16 and adsorbate absorbent feedway; The bottom of the first adsorption tower 13 and the second adsorption tower 14 is connected with desorb vavuum pump 15, and desorb vavuum pump 15 is connected with adsorbate absorption tower 16; The top on adsorbate absorption tower 16 is connected with described adsorbate absorbent feedway by adsorbate absorbent supply pump 17, and the bottom on adsorbate absorption tower 16 is connected with adsorbate absorbent feedway by absorption absorption product rear pump 18;
The bottom of the first adsorption tower 13 and the second adsorption tower 14 is connected with the top on first order absorption tower 3 by one-level absorption and separation pipe-line 19; The top on adsorbate absorption tower 16 is connected with the bottom on first order absorption tower 3;
The bottom of the first adsorption tower 13 and the second adsorption tower 14 and top are respectively arranged with one-level absorption and separation oil gas input control valve 20 and adsorption cleaning gas dump valve 21; The first adsorption tower 13 bottoms are connected with desorb vavuum pump 15 by desorb control valve 22;
Described storage device comprises fluid storage device 23 and gas storage device 24, and fluid storage device 23 is connected with gas-liquid separation device 2, and atmosphere storage device 24 is connected with absorption tower, the described second level 5.
In above-described embodiment, second level absorbent feedway 6 is same device with described adsorbate absorbent feedway; Be provided with the activated carbon adsorption bed (not shown) in the first adsorption tower 13 and the second adsorption tower 14; Be provided with the online concentration analyzer (not shown) of measuring effluent concentration at the top exit place of the first adsorption tower 13 and the second adsorption tower 14; The first adsorption tower 13 and the second adsorption tower 14 can carry out alternation, and the uninterrupted continuously operation of process system is fully ensured.
Reach 50% normal temperature crude oil vapor with hydrocarbon volume concentration and be recovered as example, use the utility model oil gas recovery processing system and recycle, comprise the steps:
(1) gas-liquid separation
Oil gas is sent into gas-liquid separation device 2 through oil gas input system 1 and is carried out gas-liquid separation, obtains gaseous products and liquid product, and the gained liquid product enters fluid storage device 23, and the gained gaseous products is input to first order absorption tower 3 by oil gas input channel 12;
(2) absorption and separation
In step (2), described first order absorbent feedway is 3 input first order absorbents to described first order absorption tower, after step (1) gained gaseous products enters first order absorption tower 3 by the oil gas input channel, carry out first order absorption and separation with first order absorbent phase counter current contacting from bottom to top, gained first order absorption and separation gaseous products carries out step (3), gained first order absorption and separation liquid product enters by first order absorption tower circulating pump 8 tops by described vacuum flasher 4 from the bottom on described first order absorption tower 3, carries out vacuum flashing and separates;
In vacuum flasher 4, after first order absorption and separation liquid product carries out the vacuum flashing separation, gained flash separation liquid product is entered as first order absorbent by the top on first order absorption tower 3 by vacuum flasher circulating pump 7 from the bottom of vacuum flasher 4 and carries out first order absorption and separation, gained flash separation gaseous products enters by the bottom of flash vacuum pump 9 by absorption tower, the second level 5 from the top of vacuum flasher 4, carries out second level absorption and separation;
In absorption tower, the second level 5, the flash separation gaseous products that enters carries out second level absorption and separation with the second level absorbent phase counter current contacting of being supplied with by second level absorbent feedway 6 from bottom to top, gained second level absorption and separation gaseous products enters atmosphere storage device 24, and gained second level absorption and separation liquid product enters second level absorbent feedway 6 from the bottom on absorption tower, the second level 5 by second level absorption product rear pump 11;
Wherein, described second level absorbent is entered from the top on absorption tower, the second level 5 by second level absorbent supply pump 10 by second level absorbent feedway 6.
(3) absorption absorption and separation
Step (2) gained first order absorption and separation gaseous products enters the first adsorption tower 13 by one-level absorption and separation pipe-line 19 or the second adsorption tower 14 carries out adsorbing separation, the gained adsorbate enters adsorbate absorption tower 16 by desorb control valve 22 after desorb vavuum pump 15 is resolved, carry out absorption and separation with the adsorbate absorbent phase counter current contacting from adsorbate absorbent feedway 6 from bottom to top, gained absorption absorption and separation gaseous products enters from the top on adsorbate absorption tower 16 and is entered by the bottom on first order absorption tower 3, the absorption and separation that circulates or direct atmosphere storage device 24, gained absorption absorption and separation liquid product enters adsorbate absorbent feedway 6 from the bottom on adsorbate absorption tower 16 by absorption absorption product rear pump 18;
Gained purified gas main component is nitrogen, oxygen after the activated carbon adsorption bed absorption in the first adsorption tower 13 or the second adsorption tower 14, reaches cleanliness standard, discharges by adsorption cleaning gas dump valve 21; By the desorb vavuum pump activated carbon adsorption bed is carried out vacuum desorption, hydrocarbon volume concentration reaches 80% in the high-concentration oil vapor after the desorb;
Wherein, described adsorbate absorbent is entered from the top on adsorbate absorption tower 16 by adsorbate absorbent supply pump 17 by adsorbate absorbent feedway 6; The concentration that records effluent by online concentration analyzer analysis reaches 20g/m
3When above, change the first adsorption tower 13 or the second adsorption tower 14 that adsorb; On the first absorption tower 13 or second absorption tower 14 when beginning to adsorb, the first absorption tower 3 or the second absorption tower 5 that changes carried out desorb.
Above-mentioned crude oil vapor reclaims in the technique:
Used first order absorbent is kerosene in step (2), and second level absorbent is gasoline; The adsorbate absorbent is gasoline described in the step (3);
In step (3), the first adsorption tower 13 and the sorbent used active carbon of the second adsorption tower 14 interior activated carbon adsorption beds active carbon for processing through acid wash passivation, its specific surface is 1,800,000m
2/ kg;
In step (3), absorption absorption and separation gaseous products can divide two parts or many parts to process as required, a part directly enters atmosphere storage device 24, other parts enter first order absorption tower 3 and are absorbed or the uses such as gas puts into production that act as a fuel by the first order absorbent degree of depth, and the ratio of described each several part can be adjusted according to actual needs.
The utility model oil gas recovery processing system is the absorption recovery and processing system of circulation absorption, multi-stage separation device has been carried out efficient and rational design, gas-liquid separation, absorption and separation, adsorbing separation have been carried out the fusion setting of height, make oil gas after preliminary gas-liquid separation, obtain circulation absorption and absorb processing, whole system reaches recycling effect, oil gas is reclaimed when thoroughly being protected, fully realized energy-conserving and environment-protective; The utility model carries out oil gas when recycling, in the time of gas-liquid separation initial gross separation oil gas that step (1) is carried out, also for the unimpeded of gas transmission pipeline and avoid the component loss in the oil gas transportation that guarantee is provided; Multistage Circulating to oil gas in the described step (2) absorbs, and the abundant recovery of oil gas is protected, simultaneously, oil gas is purified be protected, and used absorbent loops the degree of depth and absorbs, the quality that also makes oil gas process products obtained therefrom is improved, and is beneficial to follow-up recycling; In the described step (3), absorption absorption and separation to oil gas, the abundant recovery of oil gas is further ensured, and, gaseous product after absorption absorbs to gained provides two kinds of approach to reclaim, and can directly come into operation, and also can make as required oil gas enter absorption treating device again, the absorption that circulates is fully fully ensured the recycling of oil gas.In whole technical process, mainly to carry out at normal temperatures, power consumption is few, and has ensured the high safety of operation, also makes system easy to operation.
Moreover, the utility model is sorbent used to be the environment-friendly and energy-efficient product, adsorbate is taked vacuum desorption, the external effluent of whole recycling process only is the purified gas through not polluting air after gas-liquid separation, one-level absorption and separation and the adsorbing separation, all the other are all reclaimed by the mode with liquid oil product or gaseous state combustion gas, generally, guaranteed that whole process system and recovery processing technique process not only reach the high efficiente callback processing but also effects of energy conservation and environmental protection is remarkable.
In addition, the utility model oil gas recovery processing system and technique thereof, can also be according to the actual treatment needs, carry out absorption and separation or adsorbing separation reaching or above grade two or gas-liquid separation reaching or above grade two more than three grades or three grades, thereby obtain meeting liquefied petroleum gas product and the combustion gas of related request.
Use the utility model and carry out the crude oil vapor recovery, the concentration that last gained purifies hydrocarbon in gas is 25g/m
3, the recycled in its entirety rate of oil gas reaches 95%.
Embodiment 2
As shown in Figure 1, a kind of setting of oil gas recovery processing system and distribution are with embodiment 1.
Use the utility model oil gas recovery processing system and carry out the crude oil vapor recovery processing technique with embodiment 1, remove following steps:
In the step (3), the concentration that records effluent by described online concentration analyzer analysis reaches 25g/m
3The time, alternately change the first adsorption tower 13 and/or the second adsorption tower 14 that adsorbs; Described activated carbon of sorbent specific surface is 260,000m
2/ kg;
Use the utility model and carry out the crude oil vapor recovery, the concentration that last gained purifies hydrocarbon in gas is 20g/m
3, the recycled in its entirety rate of oil gas reaches 98%.
As shown in Figure 1, a kind of setting of oil gas recovery processing system and distribution are with embodiment 1.
Use the utility model oil gas recovery processing system and carry out the crude oil vapor recovery processing technique with embodiment 1, remove following steps:
In the step (3), the concentration that records effluent by described online concentration analyzer analysis reaches 30g/m
3The time, alternately change the first adsorption tower 13 and/or the second adsorption tower 14 that adsorbs; Described activated carbon of sorbent specific surface is 160,000m
2/ kg;
Use the utility model and carry out the crude oil vapor recovery, the concentration that last gained purifies hydrocarbon in gas is 18g/m
3, the recycled in its entirety rate of oil gas reaches 97%.
Embodiment 4
As shown in Figure 1, a kind of setting of oil gas recovery processing system and distribution are with embodiment 1.
Normal temperature crude oil vapor with hydrocarbon volume concentration 15% is recovered as example, uses the utility model oil gas recovery processing system and carries out the technique of crude oil vapor recycling with embodiment 1.
Use the utility model and carry out the crude oil vapor recovery, the concentration that last gained purifies hydrocarbon in gas is 5.5g/m
3, the recycled in its entirety rate of oil gas reaches 98.6%.
As shown in Figure 1, a kind of setting of oil gas recovery processing system and distribution are with embodiment 2.
Normal temperature crude oil vapor with hydrocarbon volume concentration 15% is recovered as example, uses the utility model oil gas recovery processing system and carries out the technique of crude oil vapor recycling with embodiment 2.
Use the utility model and carry out the crude oil vapor recovery, the concentration that last gained purifies hydrocarbon in gas is 6.5g/m
3, the recycled in its entirety rate of oil gas reaches 99.5%.
As shown in Figure 1, a kind of setting of oil gas recovery processing system and distribution are with embodiment 3.
Normal temperature crude oil vapor with hydrocarbon volume concentration 15% is recovered as example, uses the utility model oil gas recovery processing system and carries out the technique of crude oil vapor recycling with embodiment 3.
Use the utility model and carry out the crude oil vapor recovery, the concentration that last gained purifies hydrocarbon in gas is 4.5g/m
3, the recycled in its entirety rate of oil gas reaches 99%.
As shown in Figure 1, a kind of setting of oil gas recovery processing system and distribution are with embodiment 1.
Normal temperature crude oil vapor with hydrocarbon volume concentration 30% is recovered as example, uses the utility model oil gas recovery processing system and carries out the technique of crude oil vapor recycling with embodiment 1.
Use the utility model and carry out the crude oil vapor recovery, the concentration that last gained purifies hydrocarbon in gas is 15.5g/m
3, the recycled in its entirety rate of oil gas reaches 97.7%.
As shown in Figure 1, a kind of setting of oil gas recovery processing system and distribution are with embodiment 2.
Normal temperature crude oil vapor with hydrocarbon volume concentration 30% is recovered as example, uses the utility model oil gas recovery processing system and carries out the technique of crude oil vapor recycling with embodiment 2.
Use the utility model and carry out the crude oil vapor recovery, the concentration that last gained purifies hydrocarbon in gas is 14.3g/m
3, the recycled in its entirety rate of oil gas reaches 99.5%.
Embodiment 9
As shown in Figure 1, a kind of setting of oil gas recovery processing system and distribution are with embodiment 3.
Normal temperature crude oil vapor with hydrocarbon volume concentration 30% is recovered as example, uses the utility model recovery and processing system and carries out the technique of crude oil vapor recycling with embodiment 3.
Use the utility model and carry out the crude oil vapor recovery, the concentration that last gained purifies hydrocarbon in gas is 12g/m
3, the recycled in its entirety rate of oil gas reaches 99.8%.
The utility model is not limited to above-mentioned embodiment, those skilled in the art make to any apparent improvement of above-mentioned embodiment or change, can not exceed the protection domain of design of the present utility model and claims.
Claims (5)
1. an oil gas recovery processing system is characterized in that: comprise gas-liquid separation device, absorption absorbing separator, absorbing separator and storage device; Described storage device is connected with absorbing separator with described gas-liquid separation device respectively; Described gas-liquid separation device is connected with absorbing separator; Described absorbing separator is connected with described absorption absorbing separator; Described absorption absorbing separator is the above absorption absorbing separator of one-level, and described absorbing separator is the above absorbing separator of one-level.
2. oil gas recovery processing system according to claim 1 is characterized in that:
Described absorbing separator is the secondary absorbing separator, comprises interconnective first order absorbing separator and second level absorbing separator;
Described absorption absorbing separator is one-level absorption absorbing separator, comprises interconnective adsorbent equipment, desorption apparatus and adsorbate absorption plant;
Described gas-liquid separation device is connected with described first order absorbing separator;
Described storage device comprises fluid storage device and gas storage device, and described fluid storage device is connected with described gas-liquid separation device, and described atmosphere storage device is connected with described second level absorbing separator.
3. oil gas recovery processing system according to claim 2 is characterized in that: be provided with evaporating separation device between described first order absorbing separator and second level absorbing separator.
4. oil gas recovery processing system according to claim 3 is characterized in that:
Described first order absorbing separator comprises interconnective first order absorption tower and first order absorbent feedway; Described evaporating separation device is vacuum flasher; Described second level absorbing separator comprises absorption tower, the interconnective second level and second level absorbent feedway;
The top on described first order absorption tower is connected by the vacuum flasher circulating pump with the bottom of described vacuum flasher, and the bottom on described first order absorption tower is connected by first order absorption tower circulating pump with the top of described vacuum flasher; The bottom on absorption tower, the described second level is connected by the flash vacuum pump with the top of described vacuum flasher;
The top on absorption tower, the described second level is connected with described second level absorbent feedway by second level absorbent supply pump, and the bottom on absorption tower, the described second level is connected with second level absorbent feedway by second level absorption product rear pump;
Described adsorbent equipment comprises the first adsorption tower and the second adsorption tower that can alternately change use; Described desorption apparatus is the desorb vavuum pump; Described adsorbate absorption plant comprises interconnective adsorbate absorption tower and adsorbate absorbent feedway;
The bottom of described the first adsorption tower and the second adsorption tower is connected with described desorb vavuum pump, and described desorb vavuum pump is connected with described adsorbate absorption tower;
The top on described adsorbate absorption tower is connected with described adsorbate absorbent feedway by adsorbate absorbent supply pump, and the bottom on described adsorbate absorption tower is connected with adsorbate absorbent feedway by absorption absorption product rear pump;
The bottom of described the first adsorption tower and the second adsorption tower is connected by the top of one-level absorption and separation pipe-line with described first order absorption tower;
Described gas-liquid separation device is connected with described first order absorption tower by the oil gas input channel.
5. oil gas recovery processing system according to claim 4, it is characterized in that: described second level absorbent feedway and described adsorbate absorbent feedway are same device; The top on described adsorbate absorption tower is connected with the bottom on described first order absorption tower.
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| CN 201220370745 CN202778197U (en) | 2012-07-27 | 2012-07-27 | Oil-gas recovery treatment system |
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| CN 201220370745 CN202778197U (en) | 2012-07-27 | 2012-07-27 | Oil-gas recovery treatment system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764561A (en) * | 2012-07-27 | 2012-11-07 | 海湾环境科技（北京）股份有限公司 | Oil-gas recycling system and oil-gas recycling process |
| 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 |
-
2012
- 2012-07-27 CN CN 201220370745 patent/CN202778197U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764561A (en) * | 2012-07-27 | 2012-11-07 | 海湾环境科技（北京）股份有限公司 | Oil-gas recycling system and oil-gas recycling process |
| CN102764561B (en) * | 2012-07-27 | 2015-12-02 | 海湾环境科技（北京）股份有限公司 | Oil gas recovery processing system and recovery processing technique thereof |
| 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 |
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Inventor after: Wei Wei Inventor before: Towering |
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Granted publication date: 20130313 |