CN214861899U

CN214861899U - Exhaust device for tank field oil gas recovery facility

Info

Publication number: CN214861899U
Application number: CN202120913727.4U
Authority: CN
Inventors: 李群柱; 李莉
Original assignee: Luoyang Weida Petrochemical Engineering Co ltd
Current assignee: Luoyang Weida Petrochemical Engineering Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-11-26
Anticipated expiration: 2031-04-29

Abstract

An exhaust device for a tank area oil gas recovery facility relates to the technical field of oil gas recovery auxiliary appliances, and comprises a first box body and a second box body, wherein an air inlet at one side of the first box body and an air inlet at one side of the second box body are respectively provided with a first air inlet pipe and a second air inlet pipe; the utility model discloses a filter purification subassembly can be dismantled in setting up in box one and box two to this reaches the purpose of carrying out further processing to remaining gas that has the pollution.

Description

Exhaust device for tank field oil gas recovery facility

Technical Field

The utility model belongs to the technical field of vapor recovery system appurtenance technique and specifically relates to a jar district is exhaust apparatus for vapor recovery system facility.

Background

In the petrochemical industry, the oil tank that is equipped with the oil usually deposits in the tank field of regulation, and the oil gas that volatilizees from the oil storage tank can form great environmental pollution in the tank field, and VOC content is higher in the volatile oil gas, consequently, needs carry out recovery processing through tank field oil gas recovery facility to the oil gas that volatilizees. At present, the residual gas discharged from the exhaust funnel or the exhaust chimney after the recovery treatment still contains a certain proportion of polluting gas, while the existing exhaust funnel or the exhaust chimney does not have the function of secondary filtering and purification, and can not further treat the residual polluting gas, which is not beneficial to environmental protection.

Disclosure of Invention

In order to overcome not enough among the background art, the utility model aims at providing an exhaust apparatus is used to jar district vapor recovery system facility, the utility model discloses a filter purification subassembly can be dismantled in setting up of box one and box two to this reaches the purpose of carrying out further processing to remaining gas that has the pollution.

In order to realize the utility model aims at, the utility model adopts the following technical scheme:

an exhaust device for tank area oil gas recovery facilities comprises a first box body and a second box body, wherein the first box body and the second box body are arranged in parallel, an air inlet at one side of the first box body and the second box body is respectively provided with a first air inlet pipe and a second air inlet pipe, one end of the second air inlet pipe, far away from the second box body, is communicated with the first air inlet pipe, a first one-way air inlet valve and a second one-way air inlet valve are respectively arranged on the first air inlet pipe and the second air inlet pipe, an exhaust pipe I and an exhaust pipe II are respectively arranged at an exhaust port at the other side of the first box body and the second box body, through grooves are respectively arranged on the side surfaces of the first box body and the second box body, the two through grooves are respectively detachably connected with detachable filtering and purifying components which are correspondingly attached to the inner walls of the first box body and the second box body, gas sensors are respectively arranged on the inner walls of the first box body and the second box body, and a PLC controller is arranged at the outer side of the first box body, the PLC controller is electrically connected with an external power supply, and the gas sensor is electrically connected with the PLC controller.

And the first one-way air inlet valve is positioned between the joint of the second air inlet pipe and the first box body.

One detachable filtering and purifying component is located between the first air inlet pipe and the first exhaust pipe, and the other detachable filtering and purifying component is located between the second air inlet pipe and the second exhaust pipe.

One gas sensor is positioned between the detachable filtering and purifying component and the first exhaust pipe in the first box body, and the other gas sensor is positioned between the detachable filtering and purifying component and the second exhaust pipe in the second box body.

The detachable filtering and purifying assembly is composed of movable plates, U-shaped slide rails and filtering net cages, a group of U-shaped slide rails which are arranged oppositely is respectively arranged at the tops and the bottoms of the inner walls of the first box body and the second box body in a laminating mode, the filtering net cages are connected in the two U-shaped slide rails in a sliding mode, the movable plates are arranged on one sides of the two filtering net cages, the two movable plates are respectively located on the outer sides of the first box body and the second box body, and filtering and purifying substances such as activated carbon are filled in the filtering net cages.

The outer sides of the first box body and the second box body are located on the outer sides of the through grooves and are provided with annular clamping grooves, the inner sides of the two movable plates are located on the outer sides of the filter net cages and are provided with annular clamping strips, and the annular clamping grooves and the annular clamping strips are correspondingly clamped and sealed.

The outside of fly leaf corresponds the handle.

The end, far away from the box body, of the first air inlet pipe is correspondingly provided with a flange, mounting holes are formed in the side face of the flange in an arrayed mode in the circumferential direction, and a sealing gasket is arranged at the position, located on the inner side of the mounting holes, of the side face of the flange.

One ends of the first exhaust pipe and the second exhaust pipe, which are far away from the corresponding first box body and the corresponding second box body, are correspondingly provided with filter screen plates.

The one-way air inlet valve I, the one-way air inlet valve II, the one-way exhaust valve I and the one-way exhaust valve II are electromagnetic valves, and the one-way air inlet valve I, the one-way air inlet valve II, the one-way exhaust valve I and the one-way exhaust valve II are electrically connected with the PLC respectively.

Since the technical scheme is used, the utility model discloses following beneficial effect has:

a tank field exhaust apparatus for vapor recovery system facility, through fly leaf, U-shaped slide rail and filter box and ring groove and ring card strip mating reaction, can dismantle the change filter box and the active carbon in it fast, can realize incessant purification treatment through box one and box, do not receive the influence of changing filter box and active carbon, when vapor recovery system facility's gas vent combustion gas volume is bigger moreover, can also control box one and box simultaneous working carries out filtration purification, increase work efficiency.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic structural diagram of the case of the present invention;

FIG. 3 is a schematic view of an internal structure of the case of the present invention;

FIG. 4 is a schematic structural view of the detachable filtration and purification assembly of the present invention;

FIG. 5 is a schematic view of the protective screening plate structure of the present invention;

fig. 6 is a schematic view of the flange structure of the present invention;

in the figure: 1. a first box body; 2. a first exhaust pipe; 3. a one-way air inlet valve I; 4. a first air inlet pipe; 5. a flange; 6. a one-way air inlet valve II; 7. a second air inlet pipe; 8. a movable plate; 9. a handle; 10. a second box body; 11. a one-way exhaust valve II; 12. a protective mesh plate; 13. a PLC controller; 14. an annular neck; 15. a through groove; 16. a U-shaped slide rail; 17. a gas sensor; 18. an annular clamping strip; 19. a filter net cage; 20. a second exhaust pipe; 21. a one-way exhaust valve I; 22. mounting holes; 23. a gasket is provided.

Detailed Description

The invention will be explained in more detail by the following examples, which disclose the invention and are intended to protect all technical improvements within the scope of the invention.

The exhaust device for the tank area oil gas recovery facility comprises a first tank body 1 and a second tank body 10, wherein the first tank body 1 and the second tank body 10 are arranged in parallel, an air inlet at one side of the first tank body 1 and the second tank body 10 is respectively provided with a first air inlet pipe 4 and a second air inlet pipe 7, one end, away from the second tank body 10, of the second air inlet pipe 7 is communicated with the first air inlet pipe 4, the first air inlet pipe 4 and the second air inlet pipe 7 are respectively provided with a first one-way air inlet valve 3 and a second one-way air inlet valve 6, an exhaust port at the other side of the first tank body 1 and the second tank body 10 is respectively provided with a first exhaust pipe 2 and a second exhaust pipe 20, the first one-way exhaust valve 21 and the second one-way exhaust valve 11 are respectively arranged on the side faces of the first tank body 1 and the second tank body 10, the two through grooves 15 are respectively detachably connected with detachable filtering and purifying components correspondingly attached to the inner walls of the first tank body 1 and the second tank body 10, all be equipped with gas sensor 17 on the inner wall of box 1 and box two 10, can detect and feed back the filtration back gas in box 1 and box two 10 respectively through two gas sensor 17, the outside of box 1 is equipped with PLC controller 13, PLC controller 13 and external power source electric connection, gas sensor 17 and PLC controller 13 electric connection can realize incessant purification treatment through dismantling in filtration purification subassembly box 1 and the box 10, do not receive the influence of changing filter box 19 and active carbon, and when gas discharge mouth waste gas volume ratio of oil gas recovery facility is bigger, can also control box 1 and box 10 simultaneous working and carry out filtration purification, increase work efficiency.

The one-way air inlet valve I3 is positioned between the joint of the air inlet pipe II 7 and the air inlet pipe I4 and the box body I1.

One detachable filtering and purifying component is positioned between the first air inlet pipe 4 and the first exhaust pipe 2, and the other detachable filtering and purifying component is positioned between the second air inlet pipe 7 and the second exhaust pipe 20.

One gas sensor 17 is positioned between the detachable filtering and purifying component in the first box body 1 and the first exhaust pipe 2, and the other gas sensor 17 is positioned between the detachable filtering and purifying component in the second box body 10 and the second exhaust pipe 20.

The detachable filtering and purifying component is composed of movable plates 8, U-shaped slide rails 16 and a filtering net cage 19, a group of U-shaped slide rails 16 which are arranged oppositely is respectively attached to the top and the bottom of the inner walls of the first box body 1 and the second box body 10, the filtering net cage 19 is connected in the two U-shaped slide rails 16 in a sliding mode, the movable plates 8 are arranged on one sides of the two filtering net cages 19, the two movable plates 8 are respectively located on the outer sides of the first box body 1 and the second box body 10, filtering and purifying materials such as activated carbon are filled in the filtering net cage 19, the filtering and purifying materials such as the activated carbon filled in the filtering net cage 19 can be used for filtering and purifying gas, and the filtering net cage 19 can be detached, washed, replaced and installed through sliding in the U-shaped slide rails 16.

The positions of the outer sides of the first box body 1 and the second box body 10, which are located on the outer side of the through groove 15, are provided with annular clamping grooves 14, the positions of the inner sides of the two movable plates 8, which are located on the outer side of the filter net cage 19, are provided with annular clamping strips 18, the annular clamping grooves 14 and the annular clamping strips 18 are correspondingly clamped and sealed, and the two movable plates 8 can be clamped and sealed on the outer sides of the first box body 1 and the second box body 10 through the annular clamping grooves 14 and the annular clamping strips 18.

The outer side of the movable plate 8 corresponds to a handle 9, and the movable plate 8 is conveniently pulled or pushed by the handle 9.

One end that box 1 was kept away from to intake pipe 4 corresponds and is equipped with flange 5, mounting hole 22 has been seted up along the circumferencial direction range in the side of flange 5, the position that the side of flange 5 is located mounting hole 22 inboard is equipped with seal ring 23, through flange 5, mounting hole 22 and fixing bolt with intake pipe 4 and vapor recovery facility's gas vent intercommunication, plays sealed effect through seal ring 23.

One end of the first exhaust pipe 2 and one end of the second exhaust pipe 20, which are far away from the corresponding first box body 1 and the corresponding second box body 10, are correspondingly provided with a filter screen 12, and the outer side ends of the first exhaust pipe 2 and the second exhaust pipe 20 can be protected and filtered through the filter screen 12, so that external sundries are prevented from entering the first exhaust pipe 2 and the second exhaust pipe 20.

The one-way air inlet valve I3, the one-way air inlet valve II 6, the one-way exhaust valve I21 and the one-way exhaust valve II 11 are electromagnetic valves, and the one-way air inlet valve I3, the one-way air inlet valve II 6, the one-way exhaust valve I21 and the one-way exhaust valve II 11 are electrically connected with the PLC 13 respectively.

Embodiment 1, in the exhaust device for the oil gas recovery facility in the tank area, when in use, the flange 5, the mounting hole 22 and the fixing bolt are used for communicating the air inlet pipe 4 with the exhaust port of the oil gas recovery facility, the power supply is switched on, the PLC 13 is used for opening the one-way air inlet valve 3 and the one-way exhaust valve 21 and closing the two-way air inlet valve 6 and the two-way exhaust valve 11, at the moment, gas exhausted from the exhaust port of the oil gas recovery facility enters the box body 1 from the air inlet pipe 4, is filtered by the filter net cage 19 in the box body 1 and is exhausted by the exhaust pipe 2, in the process, the filtered gas is detected and fed back by the gas sensor 17 in the box body 1, when the filter net cage 19 activated carbon in the box body 1 needs to be replaced due to gas not reaching the standard, the PLC 13 is used for closing the one-way air inlet valve 3 and the one-way exhaust valve 21, and open one-way admission valve two 6 and one-way exhaust valve two 11, the gas of gas recovery facility's gas vent gets into box 10 through intake pipe one 4 and intake pipe two 7, and filter as above and discharge from blast pipe two 20, at this moment, can dismantle the change to filter box 19 and active carbon in box 1, to sum up, can realize incessant purification treatment through box 1 and box 10, do not receive the influence of changing filter box 19 and active carbon, and when the gas volume of gas vent gas of oil gas recovery facility is great, can also control box 1 and box 10 and work simultaneously and filter and purify, increase work efficiency.

The invention is not described in detail in the prior art, and although the invention has been specifically shown and described in connection with the preferred embodiments, the method and the way of implementing the technical solution are numerous, and only the preferred embodiments of the invention have been described above, it should be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims, which are within the scope of the invention.

Claims

1. The utility model provides an exhaust apparatus for tank field vapor recovery plant, includes box (1) and box two (10), characterized by: the air inlet of one side of the box body I (1) and the box body II (10) are respectively provided with an air inlet pipe I (4) and an air inlet pipe II (7), one end, far away from the box body II (10), of the air inlet pipe II (7) is communicated with the air inlet pipe I (4), the air inlet pipe I (4) and the air inlet pipe II (7) are respectively provided with a one-way air inlet valve I (3) and a one-way air inlet valve II (6), the exhaust port of the other side of the box body I (1) and the box body II (10) is respectively provided with an exhaust pipe I (2) and an exhaust pipe II (20), the exhaust port is respectively provided with a one-way exhaust valve I (21) and a one-way exhaust valve II (11), the side surfaces of the box body I (1) and the box body II (10) are respectively provided with a through groove (15), and the two through grooves (15) are respectively detachably connected with a detachable filtering and purifying component which is correspondingly attached to the inner walls of the box body I (1) and the box body II (10), all be equipped with gas sensor (17) on the inner wall of box (1) and box two (10), the outside of box (1) is equipped with PLC controller (13), PLC controller (13) and external power source electric connection, gas sensor (17) and PLC controller (13) electric connection.

2. The exhaust device for the oil and gas recovery facility of the tank field as claimed in claim 1, wherein: the one-way air inlet valve I (3) is located between the joint of the air inlet pipe II (7) and the air inlet pipe I (4) and the box body I (1).

3. The exhaust device for the oil and gas recovery facility of the tank field as claimed in claim 1, wherein: one detachable filtering and purifying component is positioned between the first air inlet pipe (4) and the first exhaust pipe (2), and the other detachable filtering and purifying component is positioned between the second air inlet pipe (7) and the second exhaust pipe (20).

4. The exhaust device for the oil and gas recovery facility of the tank field as claimed in claim 1, wherein: one gas sensor (17) is positioned between the detachable filtering and purifying component in the first box body (1) and the first exhaust pipe (2), and the other gas sensor (17) is positioned between the detachable filtering and purifying component in the second box body (10) and the second exhaust pipe (20).

5. The exhaust device for the oil and gas recovery facility of the tank field as claimed in claim 1, wherein: can dismantle filtration purification subassembly by fly leaf (8), U-shaped slide rail (16) and filter screen case (19) constitution, the top and the bottom of box (1) and box two (10) inner wall laminate respectively and are equipped with a set of U-shaped slide rail (16) that set up in opposite directions, equal sliding connection has filter screen case (19) in two U-shaped slide rails (16), and one side of two filter screen cases (19) all is equipped with fly leaf (8), and two fly leaves (8) are located the outside of box (1) and box two (10) respectively, filter screen case (19) intussuseption is filled with filtration purification material such as active carbon.

6. The exhaust device for the oil and gas recovery facility of the tank field as claimed in claim 5, wherein: the position that the outside of box (1) and box two (10) is located logical groove (15) outside all is equipped with ring groove (14), the position that the inboard of two fly leaf (8) is located filter screen case (19) outside all be equipped with ring card strip (18), ring groove (14) correspond the joint with ring card strip (18) and seal.

7. The exhaust device for the oil and gas recovery facility of the tank field as claimed in claim 5, wherein: the outer side of the movable plate (8) corresponds to the handle (9).

8. The exhaust device for the oil and gas recovery facility of the tank field as claimed in claim 1, wherein: one end of the first air inlet pipe (4) far away from the first box body (1) is correspondingly provided with a flange (5), mounting holes (22) are formed in the side face of the flange (5) in an arrayed mode along the circumferential direction, and sealing gaskets (23) are arranged at the positions, located on the inner side of the mounting holes (22), of the side face of the flange (5).

9. The exhaust device for the oil and gas recovery facility of the tank field as claimed in claim 1, wherein: one end of the first exhaust pipe (2) and one end of the second exhaust pipe (20), which are far away from the corresponding first box body (1) and the corresponding second box body (10), are correspondingly provided with a filter screen plate (12).

10. The exhaust device for the oil and gas recovery facility of the tank field as claimed in claim 1, wherein: the one-way air inlet valve I (3), the one-way air inlet valve II (6), the one-way exhaust valve I (21) and the one-way exhaust valve II (11) are electromagnetic valves, and the one-way air inlet valve I (3), the one-way air inlet valve II (6), the one-way exhaust valve I (21) and the one-way exhaust valve II (11) are respectively electrically connected with the PLC (13).