阅读说明：本技术 一种组合变温变压脱附功能性活性炭吸附吸收油气回收装置 (Combined temperature and pressure swing desorption functional activated carbon adsorption and absorption oil gas recovery device ) 是由 董子雄 左秋峰 于 2020-12-09 设计创作，主要内容包括：本发明公开了一种组合变温变压脱附功能性活性炭吸附吸收油气回收装置,包括进气机构、处理箱、吸附机构、真空泵和出气管,所述进气机构连通有处理箱,所述处理箱的顶端连接有两组吸附机构,所述处理箱的顶端开设有通气通道,且通气通道的内壁通过多组螺钉连接有抽风机,抽风机的侧面焊接有漏斗状的通风斗,通风斗的顶端连通有连通管一,连通管一通过三通阀连通有两组连通管二,两组连通管二分别与两组吸附机构连通,所述吸附机构的底端连通有真空泵,两组吸附机构的顶端均连通有连通管三,且两组连通管三通过三通阀连通有出气管。该组合变温变压脱附功能性活性炭吸附吸收油气回收装置,不仅能够预处理,还能进行吸附与解吸脱附。(The invention discloses a combined temperature and pressure swing desorption functional activated carbon adsorption and absorption oil gas recovery device which comprises an air inlet mechanism, a treatment box, adsorption mechanisms, a vacuum pump and an air outlet pipe, wherein the air inlet mechanism is communicated with the treatment box, the top end of the treatment box is connected with two groups of adsorption mechanisms, the top end of the treatment box is provided with an air passage, the inner wall of the air passage is connected with an exhaust fan through a plurality of groups of screws, the side surface of the exhaust fan is welded with a funnel-shaped ventilation hopper, the top end of the ventilation hopper is communicated with a first communicating pipe, the first communicating pipe is communicated with two groups of second communicating pipes through a three-way valve, the two groups of second communicating pipes are respectively communicated with the two groups of adsorption mechanisms, the bottom ends of the adsorption mechanisms are communicated with the vacuum pump, the top. The combined temperature and pressure swing desorption functional activated carbon adsorption and absorption oil gas recovery device can not only be pretreated, but also be used for adsorption and desorption.)

1. The utility model provides a functional active carbon adsorption of combination temperature swing pressure swing desorption absorbs oil gas recovery unit, includes mechanism (1) of admitting air, handles case (2), adsorption apparatus structure (3), vacuum pump (4) and outlet duct (5), its characterized in that: the air inlet mechanism (1) is communicated with a processing box (2), the top end of the processing box (2) is connected with two groups of adsorption mechanisms (3), the top end of the processing box (2) is provided with an air vent channel, the inner wall of the air vent channel is connected with an air exhauster (6) through a plurality of groups of screws, the side surface of the air exhauster (6) is welded with a funnel-shaped air funnel, the top end of the air funnel is communicated with a first communicating pipe, the first communicating pipe is communicated with two groups of second communicating pipes through a three-way valve, the two groups of second communicating pipes are respectively communicated with the two groups of adsorption mechanisms (3), the bottom end of each adsorption mechanism (3) is communicated with a vacuum pump (4), the top ends of the two groups of adsorption mechanisms (3) are communicated with a third communicating pipe, the two;

the side surface of the lower half part of the treatment box (2) is connected with a refrigerator (7) through a screw, and an evaporation part of the refrigerator (7) is arranged in the inner cavity of the treatment box (2);

the adsorption mechanism (3) comprises an adsorption barrel (8), a ring plate (9), support legs (10) and an active carbon adsorption layer (11), the periphery of the adsorption barrel (8) is provided with a ring plate (9), the ring plate (9) is connected with the adsorption barrel (8) through a plurality of groups of countersunk head bolts, the ring plate (9) is connected with the treatment box (2) through four groups of welded supporting legs (10) arranged in an annular array, two groups of arc-shaped inclined supporting plates which are symmetrically arranged are welded on the inner wall of the adsorption barrel (8), inclined oval active carbon adsorption layers (11) are arranged on the two groups of supporting plates, the inner wall of the adsorption barrel (8) is also connected with semiconductor refrigerating sheets and heating pipes through a plurality of groups of screws, the semiconductor refrigerating sheets and the heating pipes are arranged on one side of the active carbon adsorption layers (11), the side of the adsorption barrel (8) is communicated with a liquid nitrogen tank (12), and the liquid nitrogen tank (12) is arranged on one side of the active carbon adsorption layer (11) far away from the semiconductor refrigeration sheet.

2. The device for recovering oil and gas through adsorption and absorption by using the combined temperature and pressure swing desorption functional activated carbon as claimed in claim 1, wherein: the air inlet mechanism (1) comprises an air inlet hopper (13) and a corrugated pipe (14), the air inlet hopper (13) is communicated with an external air outlet device, the air inlet hopper (13) is communicated with the treatment box (2) through the corrugated pipe (14), the end part of the corrugated pipe (14) far away from the air inlet hopper (13) is arranged below the liquid level of the treatment box (2), and the corrugated pipe (14) is also provided with a concentration monitor.

3. The device for recovering oil and gas through adsorption and absorption by using the combined temperature and pressure swing desorption functional activated carbon as claimed in claim 1, wherein: the front end welding of handling case (2) has the thing board, and there is agitator (15) on the top of putting the thing board through multiunit screwed connection, and one side tip of agitator (15) extends to the inner chamber of handling case (2).

4. The device for recovering oil and gas through adsorption and absorption by using the combined temperature and pressure swing desorption functional activated carbon as claimed in claim 1, wherein: the side surfaces of the treatment box (2) and the adsorption barrel (8) are provided with perspective grooves, and the inner walls of the perspective grooves are bonded with hollow glass plates with heat preservation functions.

5. The device for recovering oil and gas through adsorption and absorption by using the combined temperature and pressure swing desorption functional activated carbon as claimed in claim 1, wherein: the periphery of handling case (2) and adsorption bucket (8) all coats and has thermal barrier coating, it sets up the top at counterweight plate (16) to handle case (2), counterweight plate (16) are connected with ground through multiunit countersunk head bolt, the periphery welding of counterweight plate (16) has the spacing frame of the mouth style of calligraphy of spacing processing case (2).

6. The device for recovering oil and gas through adsorption and absorption by using the combined temperature and pressure swing desorption functional activated carbon as claimed in claim 1, wherein: the vacuum pump (4) is communicated with external liquid receiving equipment.

7. The device for recovering oil and gas through adsorption and absorption by using the combined temperature and pressure swing desorption functional activated carbon as claimed in claim 1, wherein: temperature sensor is all installed to the inner wall of handling case (2) and absorption bucket (8), pressure sensor is installed to the inner wall of absorption bucket (8).

8. The device for recovering oil and gas through adsorption and absorption by using the combined temperature and pressure swing desorption functional activated carbon as claimed in claim 1, wherein: the side-mounting of handling case (2) has PLC (17), and PLC (17) pass through electric wire and air exhauster (6), agitator (15), vacuum pump (4), three-way valve, refrigerator (7), semiconductor refrigeration piece, heating pipe, liquid nitrogen tank (12), concentration monitor, temperature sensor and pressure sensor electric connection.

Technical Field

The invention belongs to the technical field of oil gas recovery, and particularly relates to a combined temperature and pressure swing desorption functional activated carbon adsorption and absorption oil gas recovery device.

Background

The gasoline station oil gas recovery means that in the process of loading and unloading gasoline and refueling vehicles, volatile gasoline oil gas is collected, and the purpose of recycling is achieved by one or two methods of absorption, adsorption or condensation and the like, or the pollution of the oil gas is reduced, or the oil gas is changed into liquid from gas state and then changed into gasoline again. The oil gas recovery of the oil depot refers to that volatile oil gas of the oil depot and oil gas loaded on a loading arm are collected through a main pipeline and pass through one or two methods of absorption, adsorption or condensation and the like, or the pollution of the oil gas is reduced, or the oil gas is changed into liquid from gas state and then is changed into gasoline again, so that the purpose of recycling is achieved.

Oil gas recovery still uses in other fields that have the needs to retrieve the function to oil gas, thereby can heat when retrieving at the traditional recovery plant of oil gas recovery aspect and make the absorption of active carbon carry out the desorption, but gas and active carbon can ignite easily in traditional heating, produce certain work risk.

Therefore, in order to meet the actual use requirement, a combined temperature and pressure swing desorption functional activated carbon adsorption and absorption oil gas recovery device is urgently needed to be designed and produced.

Disclosure of Invention

The invention aims to provide a combined temperature and pressure swing desorption functional activated carbon adsorption and absorption oil gas recovery device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a combined temperature and pressure swing desorption functional activated carbon adsorption and absorption oil gas recovery device comprises an air inlet mechanism, a treatment box, adsorption mechanisms, a vacuum pump and an air outlet pipe, wherein the air inlet mechanism is communicated with the treatment box, the top end of the treatment box is connected with two groups of adsorption mechanisms, the top end of the treatment box is provided with an air passage, the inner wall of the air passage is connected with an air exhauster through a plurality of groups of screws, the side surface of the air exhauster is welded with a funnel-shaped ventilation hopper, the top end of the ventilation hopper is communicated with a first communication pipe, the first communication pipe is communicated with two groups of second communication pipes through a three-way valve, the two groups of second communication pipes are respectively communicated with the two groups of adsorption mechanisms, the bottom end of each adsorption mechanism is communicated with the vacuum pump, the top ends of the two groups of;

the side surface of the lower half part of the treatment box is connected with a refrigerator through a screw, and an evaporation part of the refrigerator is arranged in the inner cavity of the treatment box;

adsorption apparatus constructs including adsorbing bucket, crown plate, supporting leg and active carbon adsorption layer, the periphery that adsorbs the bucket is provided with the crown plate, and the crown plate passes through multiunit countersunk bolt and is connected with the adsorption bucket, and the crown plate is connected with the processing case through the supporting leg of four groups of ring array arrangements of welded, the inner wall welding of adsorption bucket has the backup pad of the curved slope that two sets of symmetries set up, is provided with the oval-shaped active carbon adsorption layer of slope in two sets of backup pads, and the inner wall of adsorption bucket still has semiconductor refrigeration piece and heating pipe through multiunit screw connection, and semiconductor refrigeration piece and heating pipe set up the one side at the active carbon adsorption layer, the side intercommunication of adsorption bucket has the liquid nitrogen container, and the one side of semiconductor refrigeration piece is kept away from at the active carbon adsorption layer.

Preferably, the mechanism of admitting air includes air intake fill and bellows, air intake fill and outside equipment intercommunication of giving vent to anger, air intake fill pass through the bellows and handle the case intercommunication, and the tip setting that air intake was fought is kept away from to the bellows is in the liquid level below of handling the case, and also installs the concentration monitor on the bellows.

Preferably, the front end welding of handling the case has the thing board, and there is the agitator on the top of putting the thing board through multiunit screwed connection, and one side tip of agitator extends to the inner chamber of handling the case.

Preferably, the side surfaces of the treatment box and the adsorption barrel are provided with perspective grooves, and the inner walls of the perspective grooves are bonded with hollow glass plates with heat preservation functions.

Preferably, the periphery of handling case and absorption bucket has all coated thermal barrier coating, it sets up the top at the weight plate to handle the case, the weight plate passes through multiunit countersunk head bolt and is connected with ground, the periphery welding of weight plate has the spacing frame of the mouth style of calligraphy of spacing processing case.

Preferably, the vacuum pump is communicated with an external liquid receiving device.

Preferably, the inner walls of the treatment box and the adsorption barrel are both provided with temperature sensors, and the inner wall of the adsorption barrel is provided with a pressure sensor.

Preferably, the side-mounting of handling the case has PLC, and PLC passes through electric wire and air exhauster, agitator, vacuum pump, three-way valve, refrigerator, semiconductor refrigeration piece, heating pipe, liquid nitrogen tank, concentration monitor, temperature sensor and pressure sensor electric connection.

The invention has the technical effects and advantages that: according to the combined temperature and pressure swing desorption functional activated carbon adsorption and absorption oil gas recovery device, gas is introduced into oil in a treatment box, the oil is mixed with the oil in the oil gas, treated oil-gas separation is achieved, subsequent workload is reduced, the working of a refrigerator can be cooled, so that the separation effect is improved, the working of a stirrer plays a role in stirring uniformly, and the mixing degree and effect are improved in an auxiliary manner; the design of the two groups of adsorption mechanisms realizes that one group adsorbs the other group and desorbs so that adsorption can be carried out all the time, an active carbon adsorption layer of the adsorption mechanism plays a role in adsorption, a communicating pipe II and a communicating pipe III of the adsorption barrel can be closed during desorption, a vacuum pump is used for vacuumizing, then liquid nitrogen is introduced into an inner cavity of the adsorption barrel through a liquid nitrogen tank, then a heating pipe is started to raise the temperature for desorption, and the nitrogen plays a role in inflaming retarding and combustion reducing; the combined temperature and pressure swing desorption functional activated carbon adsorption and absorption oil gas recovery device can not only be pretreated, but also be used for adsorption and desorption.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic structural view of an intake mechanism of the present invention;

FIG. 3 is a schematic view of the structure of the treatment tank of the present invention;

FIG. 4 is a schematic structural view of the adsorption mechanism of the present invention;

FIG. 5 is a schematic view of the construction of the agitator of the present invention;

FIG. 6 is a circuit diagram of the present invention.

In the figure: 1 air inlet mechanism, 2 treatment boxes, 3 adsorption mechanisms, 4 vacuum pumps, 5 air outlet pipes, 6 exhaust fans, 7 refrigerators, 8 adsorption barrels, 9 ring plates, 10 supporting legs, 11 activated carbon adsorption layers, 12 liquid nitrogen tanks, 13 air inlet hoppers, 14 corrugated pipes, 15 stirrers, 16 weight plates and 17 PLCs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Unless otherwise indicated, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the invention is directed.

The invention provides a combined temperature-changing pressure-changing desorption functional activated carbon adsorption and absorption oil gas recovery device shown in figures 1-6, which comprises an air inlet mechanism 1, a treatment box 2, adsorption mechanisms 3, a vacuum pump 4 and an air outlet pipe 5, wherein the air inlet mechanism 1 is communicated with the treatment box 2, the top end of the treatment box 2 is connected with two groups of adsorption mechanisms 3, the top end of the treatment box 2 is provided with an air passage, the inner wall of the air passage is connected with an exhaust fan 6 through a plurality of groups of screws, the side surface of the exhaust fan 6 is welded with a funnel-shaped ventilation hopper, the top end of the ventilation hopper is communicated with a first communication pipe, the first communication pipe is communicated with two groups of second communication pipes through a three-way valve, the two groups of second communication pipes are respectively communicated with the two groups of adsorption mechanisms 3, the bottom ends of the adsorption mechanisms 3 are communicated with the vacuum pump 4, the, a concentration monitor is arranged on the gas outlet pipe 5;

the side surface of the lower half part of the treatment box 2 is connected with a refrigerator 7 through a screw, and an evaporation part of the refrigerator 7 is arranged in the inner cavity of the treatment box 2;

adsorption apparatus constructs 3 including adsorbing bucket 8, crown plate 9, supporting leg 10 and active carbon adsorption layer 11, the periphery of adsorbing bucket 8 is provided with crown plate 9, and crown plate 9 is connected with adsorbing bucket 8 through multiunit countersunk head bolt, and crown plate 9 is connected with processing case 2 through supporting leg 10 that four groups of annular array of welded were arranged, the inner wall welding of adsorbing bucket 8 has the backup pad of the curved slope that two sets of symmetries set up, is provided with the oval-shaped active carbon adsorption layer 11 of slope in two sets of backup pads, and the inner wall of adsorbing bucket 8 still has semiconductor refrigeration piece and heating pipe through multiunit screwed connection, and semiconductor refrigeration piece and heating pipe set up the one side at active carbon adsorption layer 11, the side intercommunication of adsorbing bucket 8 has liquid nitrogen tank 12, and liquid nitrogen tank 12 sets up the one side of keeping away from the semiconductor refrigeration piece at active carbon adsorption layer 11.

Specifically, mechanism 1 admits air includes into air hopper 13 and bellows 14, admit air hopper 13 and outside air outlet device intercommunication, admit air hopper 13 through bellows 14 with handle case 2 intercommunication, and the tip setting that the bellows 14 kept away from into air hopper 13 is in the liquid level below of handling case 2, and also installs the concentration monitor on the bellows 14.

Specifically, the front end welding of handling case 2 has the thing board, and there is agitator 15 on the top of putting the thing board through multiunit screwed connection, and one side tip of agitator 15 extends to the inner chamber of handling case 2.

Specifically, the side surfaces of the treatment box 2 and the adsorption barrel 8 are provided with perspective grooves, and the inner walls of the perspective grooves are bonded with hollow glass plates with heat preservation functions.

Specifically, the periphery of handling case 2 and adsorption bucket 8 has all been coated with thermal barrier coating, it sets up on the top of counterweight plate 16 to handle case 2, counterweight plate 16 passes through multiunit countersunk head bolt and is connected with ground, the periphery welding of counterweight plate 16 has the spacing frame of the mouth style of calligraphy of spacing processing case 2.

Specifically, the vacuum pump 4 is communicated with an external liquid receiving device.

Specifically, temperature sensor is all installed to the inner wall of handling case 2 and absorption bucket 8, pressure sensor is installed to the inner wall of absorption bucket 8.

Specifically, the side-mounting of handling case 2 has PLC17, and PLC17 passes through electric wire and air exhauster 6, agitator 15, vacuum pump 4, three-way valve, refrigerator 7, semiconductor refrigeration piece, heating pipe, liquid nitrogen tank 12, concentration monitor, temperature sensor and pressure sensor electric connection, and each item instrument is ripe current product, does not describe here much.

The working principle of the combined temperature and pressure swing desorption functional activated carbon adsorption and absorption oil gas recovery device is that before treatment, a refrigerator 7, a semiconductor refrigerating sheet, a concentration monitor, a temperature sensor and a pressure sensor are started, an exhaust fan 6 is started when treatment is carried out, oil gas enters an inner cavity of a treatment box 1 from an air inlet hopper 13 and a corrugated pipe 14, a part of oil in the oil gas is mixed with oil in the treatment box 1, the emitted oil gas is absorbed into a first communicating pipe by the exhaust fan 6, enters an inner cavity of an adsorption barrel 8 along a second communicating pipe through a three-way valve, is adsorbed by an activated carbon adsorption layer 11, flows into an air outlet pipe 5 from a third communicating pipe through another three-way valve, when desorption is required, the two three-way valves are switched to enable adsorption to be switched to the other group of adsorption mechanisms 3, and then a vacuum pump 4 is started to pump out gas in the inner cavity of the, then the liquid nitrogen tank 12 is opened to introduce certain nitrogen into the inner cavity of the adsorption barrel 8, the semiconductor refrigeration sheet is closed, the heating pipe is opened for desorption, the vacuum pump 4 and the heating pipe are closed after the treatment is finished, the semiconductor refrigeration sheet is opened, the two groups of three-way valves are switched to after a period of time, and the other group of adsorption mechanisms 3 repeats the desorption process.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.