CN213492898U

CN213492898U - Skid-mounted wet flue gas desulfurization treatment device

Info

Publication number: CN213492898U
Application number: CN202022433943.7U
Authority: CN
Inventors: 高显东
Original assignee: Liaoning Dongde Petroleum Technology Service Co Ltd
Current assignee: Liaoning Dongde Petroleum Technology Service Co Ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-06-22
Anticipated expiration: 2030-10-28

Abstract

The utility model relates to a sled dress flue gas wet flue gas desulfurization processing apparatus, including box and digester and the switch board of setting in the box, one side of box is connected with the intake pipe, the branch end that the intake pipe stretched into in the box is connected with pipe and inlet tube respectively through the ooff valve, the top of pipe is connected with the outlet duct that runs through the switch board bottom, the inlet tube be close to with the desulfurization tank bottom be connected with the check valve between the port, the utility model discloses a box holding digester and the switch board that set up the chamber door constitute sled dress structure, assembly efficiency is high to through the intake pipe with the gas that contains hydrogen sulfide in the inlet tube one-way leading-in a plurality of desulfurated tanks of associated tolerance, associated gas carries out the desulfurization in the digester simultaneously, and through the orifice plate homodisperse, and then rise and carry out the successive layer contact with the packing layer in the waters, gas acceleration, The liquid is uniformly mixed, the hydrogen sulfide in the gas is fully removed, and the desulfurization efficiency is improved.

Description

Skid-mounted wet flue gas desulfurization treatment device

Technical Field

The utility model relates to a flue gas treatment technical field specifically is a sled dress flue gas wet flue gas desulfurization processing apparatus.

Background

In an oil field development project, during the development process of heavy oil and thin oil, most of well station associated gas and station gas systems detect H2S with higher concentration, and the main reasons for the generation of H2S are three, namely, in the development of the heavy oil, organic sulfides such as mercaptan and thioether in crude oil react under a certain temperature and pressure condition to generate H2S; secondly, in the development of the thickened oil, sulfur-containing minerals in the stratum react at high temperature to generate H2S; thirdly, in the development of thin oil, sulfate reducing bacteria in formation water reduce sulfate to generate H2S under proper conditions. And H2S is an acidic and highly toxic gas, which can cause poisoning of personnel, aggravate the corrosion and scaling problems of the tubular column and threaten the production safety.

In the prior art, the removal process of H2S mainly comprises the following steps: dry desulfurization, wet desulfurization and biological desulfurization, and the dry method and the wet method are taken as main components. Wherein, the ground construction cost of the dry desulphurization is high, the desulphurization efficiency is low, and the generated solid waste causes secondary pollution; most of the existing wet desulphurization equipment has dispersed structures, inconvenient assembly and inconvenient use, and the desulphurization treatment of the spraying mode has lower efficiency, poor quality of the desulphurization treatment of associated gas and insufficient removal.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sled dress flue gas wet flue gas desulfurization processing apparatus to solve among the prior art the most structure dispersion of wet flue gas desulfurization equipment, inconvenient assembly, and the desulfurization treatment of the mode that sprays, efficiency is lower, the problem of unable abundant desorption.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sled dress flue gas wet flue gas desulfurization processing apparatus, includes box and digester and the switch board of setting in the box, one side of box is connected with the intake pipe, the branch end that the intake pipe stretched into in the box is connected with pipe and inlet tube respectively through the ooff valve, the top of pipe is connected with the outlet duct that runs through the switch board bottom, the inlet tube be close to with the digester bottom the port between be connected with the check valve, the orifice plate has been placed in the digester, the top of orifice plate is equipped with the desulfurization shell, be equipped with the vertical parallel packing shell of a plurality of in the desulfurization shell, a plurality of all be equipped with the packing layer in the packing shell, the top of digester is connected with the outlet pipe, the other end and the pipe and the outlet duct intercommunication of.

Preferably, the outer wall of the box body is hinged with box doors, and the box doors are arranged in pairs.

Preferably, the desulfurization tank is provided with a plurality of desulfurization tanks, and the plurality of desulfurization tanks are transversely arranged in the box body.

Preferably, the top end of the desulfurization shell is provided with a demister, and a corrugated plate is arranged in the demister.

Preferably, the thickness of the filler layer is smaller than the axial width of the inner cavity of the filler shell.

Preferably, the box is internally provided with a circulating pump, the inlet end of the circulating pump is provided with a liquid discharge pipe communicated with the bottom of the desulfurization tank, and the outlet end of the circulating pump is provided with a liquid return pipe communicated with the top of the desulfurization tank.

Preferably, the end part of the air inlet pipe entering the box body and the end part of the air outlet pipe extending out of the box body are both provided with a switch valve.

Preferably, the outer wall of the desulfurization tank is provided with a liquid level meter.

The utility model discloses possess following beneficial effect at least:

the utility model discloses a set up box holding digester and switch board of chamber door, constitute sled dress structure, the use of more easy to assemble of integrated structure, assembly efficiency is high, and will contain the gaseous of hydrogen sulfide in one-way leading-in a plurality of desulfurization tanks of introduction tube through the intake pipe, increase the desulfurization treatment of associated tolerance effectively, the production efficiency is improved, associated gas carries out the waters desulfurization in the digester simultaneously, and through the orifice plate homodisperse, and then rise and carry out the successive layer contact with the packing layer, gas with higher speed, the homogeneous mixing of liquid, gas after the desulfurization is through wave form board desorption droplet, and get into the outlet duct through the eduction tube and draw forth, hydrogen sulfide in the desorption gas fully, the efficiency of desulfurization is improved, the desulfurization quality is improved effectively.

Drawings

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

FIG. 2 is a schematic sectional view of the front view of the present invention;

fig. 3 is a schematic top view of the packing case of the present invention.

In the reference symbols: 1. a box body; 2. a devulcanizer; 3. a control cabinet; 4. an air inlet pipe; 5. a conduit; 6. an air outlet pipe; 7. an inlet tube; 8. an orifice plate; 9. a devulcanized shell; 10. a filler shell; 11. a filler layer; 12. a demister; 13. a corrugated plate; 14. a lead-out pipe; 15. a circulation pump; 16. a liquid discharge pipe; 17. a liquid return pipe; 18. a liquid level meter; 19. an on-off valve; 20. a one-way valve; 21. and (4) a box door.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: a skid-mounted wet flue gas desulfurization treatment device comprises a box body 1, a desulfurization tank 2 and a control cabinet 3 which are arranged in the box body 1, wherein one side of the box body 1 is connected with an air inlet pipe 4, the branch end of the air inlet pipe 4 extending into the box body 1 is respectively connected with a guide pipe 5 and an introducing pipe 7 through a switch valve 19, concretely, one end of the air inlet pipe 4 connecting the guide pipe 5 and the introducing pipe 7 is of a three-way structure, the switch valves 19 are arranged at the two branch ports, the top end of the guide pipe 5 is connected with an air outlet pipe 6 penetrating through the bottom of the control cabinet 3, a one-way valve 20 is connected between the introducing pipe 7 and the port at the bottom of the desulfurization tank 2, a pore plate 8 is arranged in the desulfurization tank 2, concretely, through holes are uniformly distributed on the end surface of the pore plate 8, an inner cavity of the desulfurization tank 2 is communicated, a desulfurization shell 9 is arranged above the pore plate 8, a plurality, all be equipped with packing layer 11 in a plurality of packing shell 10, the top of digester 2 is connected with stand-off pipe 14, the other end and

pipe

5 and 6 intercommunications of outlet duct of stand-off pipe 14, it is specific, the one end that digester 2 was kept away from to stand-off pipe 14 communicates with pipe 5's top and outlet duct 6, the node forms three-way structure, can be through 1 holding digester 2 of box and switch board 3, constitute sled dress structure, integrated structure is the use of easy to assemble more, will contain the gaseous one-way leading-in digester 2 of leading-in pipe 7 of hydrogen sulfide through intake pipe 4, carry out the waters desulfurization, and through 8 homodispersions of orifice plate, and then rise and carry out the successive layer contact with packing layer 11, gas-liquid mixture accelerates, hydrogen sulfide in the desorption gas effectively, and the efficiency of desulfurization is improved, the gas after the desulfurization gets into outlet duct 6 through stand-off pipe 14 and.

Wherein, the outer wall of box 1 is equipped with to articulate has chamber door 21, and chamber door 21 sets up in pairs, can open and close the inner chamber of box 1 through mated chamber door 21, makes things convenient for overall installation and later maintenance management.

Wherein, digester 2 is provided with a plurality of, and a plurality of digester 2 transverse arrangement is in box 1, and is concrete, 2 bottom weld supports of digester erect in box 1 through the support, can carry out desulfurization treatment through a plurality of digester 2, increase the desulfurization treatment of associated tolerance, improve production efficiency.

Wherein, the top of desulfurization shell 9 is equipped with defroster 12, is equipped with wave form board 13 in the defroster 12, can support defroster 12 through desulfurization shell 9, and then adsorbs the droplet in the updraft through wave form board 13 in the defroster 12, and then dehumidifies gas effectively.

Wherein, the thickness of packing layer 11 is less than the axial width of packing shell 10 inner chamber, can form the cavity between the packing layer 11 through the cooperation between the packing shell 10, and gas-liquid contact is more even, improves desulfurization efficiency effectively.

Wherein, be equipped with circulating pump 15 in the box 1, circulating pump 15's entrance point is equipped with the fluid-discharge tube 16 with 2 bottoms of digester intercommunication, it is specific, the one end branch that circulating pump 15 was kept away from to fluid-discharge tube 16 has the branch port that a plurality of and digester 2 are connected, and communicate with 2 bottoms of digester, circulating pump 15's exit end is equipped with the liquid return pipe 17 with 2 tops of digester intercommunication, it is specific, the one end branch of keeping away from circulating pump 15 of liquid return pipe 17 has the branch port of a plurality of and digester 2 intercommunications, and correspond the cavity between filler shell 10 and the defroster 12 of top, can circulate the desulfurizer of digester 2 through circulating pump 15, desulfurization quality and desulfurization efficiency are improved.

Wherein, the tip that the intake pipe 4 got into box 1 and the tip that outlet duct 6 stretches out box 1 all are equipped with ooff valve 19, can open and close the entering air and giving vent to anger through ooff valve 19, convenient management.

Wherein, the outer wall of digester 2 is equipped with level gauge 18, and is specific, the port and the space below orifice plate 8 intercommunication of 18 bottoms of level gauge, the port at 18 tops of level gauge and the cavity intercommunication of defroster 12 below, can be through the liquid level height in the digester 2 of 18 real-time supervision of level gauge.

The working principle is as follows:

when in use, the integrated installation is carried out through the box body 1, the integrated installation is connected into a pipeline to be desulfurized through the air inlet pipe 4 and the air outlet pipe 6, the switch valve 19 at the end part of the air inlet pipe 4 and the air outlet pipe 6 is opened, the air inlet pipe 4 is opened to enter the switch valve 19 at the branch of one side of the inlet pipe 7, associated gas can be led into the desulfurizing tank 2 in one direction through the air inlet pipe 4 and the inlet pipe 7, the associated gas is subjected to water bath mixing with a desulfurizing agent in the desulfurizing tank 2 and is uniformly dispersed through the pore plate 8, and then the associated gas rises to be in contact with the packing layer 11 layer by layer, the gas and the liquid are fully mixed, hydrogen sulfide in the gas is fully and thoroughly removed, the desulfurizing efficiency and the desulfurizing quality are improved, the desulfurized gas is subjected to fog drop removal through the corrugated plate 13, the desulfurized gas can enter the air outlet pipe 14 to be led out, the desulfurization efficiency is higher;

in addition, the desulfurizer at the bottom of the desulfurization tank 2 is subjected to internal circulation through a circulating pump 15 via a liquid discharge pipe 16 and a liquid return pipe 17, and the liquid level height in the desulfurization tank 2 is monitored in real time through a liquid level meter 18 (a magnetic turning plate liquid level meter), so that the desulfurization quality and the desulfurization efficiency are further improved.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The skid-mounted wet flue gas desulfurization treatment device is characterized by comprising a box body (1), a desulfurization tank (2) and a control cabinet (3) which are arranged in the box body (1), wherein one side of the box body (1) is connected with an air inlet pipe (4), a branch end of the air inlet pipe (4) extending into the box body (1) is respectively connected with a guide pipe (5) and an introducing pipe (7) through a switch valve (19), the top end of the guide pipe (5) is connected with an air outlet pipe (6) penetrating through the bottom of the control cabinet (3), a check valve (20) is connected between the introducing pipe (7) and a port at the bottom of the desulfurization tank (2), a pore plate (8) is placed in the desulfurization tank (2), a desulfurization shell (9) is arranged above the pore plate (8), a plurality of packing shells (10) which are vertically arranged side by side are arranged in the desulfurization shell (9), and a plurality of packing layers (11) are arranged in the packing, the top end of the desulfurizing tank (2) is connected with an eduction tube (14), and the other end of the eduction tube (14) is communicated with the guide tube (5) and the air outlet tube (6).

2. The skid-mounted wet flue gas desulfurization treatment device according to claim 1, characterized in that: the outer wall of the box body (1) is hinged with box doors (21), and the box doors (21) are arranged in pairs.

3. The skid-mounted wet flue gas desulfurization treatment device according to claim 1, characterized in that: the desulfurizing tank (2) is provided with a plurality of desulfurizing tanks (2) which are transversely arranged in the box body (1).

4. The skid-mounted wet flue gas desulfurization treatment device according to claim 1 or 3, characterized in that: the top end of the desulfurization shell (9) is provided with a demister (12), and a corrugated plate (13) is arranged in the demister (12).

5. The skid-mounted wet flue gas desulfurization treatment device according to claim 1, characterized in that: the thickness of the filler layer (11) is smaller than the axial width of the inner cavity of the filler shell (10).

6. The skid-mounted wet flue gas desulfurization treatment device according to claim 3, characterized in that: the desulfurization tank is characterized in that a circulating pump (15) is arranged in the tank body (1), a liquid discharge pipe (16) communicated with the bottom of the desulfurization tank (2) is arranged at the inlet end of the circulating pump (15), and a liquid return pipe (17) communicated with the top of the desulfurization tank (2) is arranged at the outlet end of the circulating pump (15).

7. The skid-mounted wet flue gas desulfurization treatment device according to claim 1, characterized in that: the end part of the air inlet pipe (4) entering the box body (1) and the end part of the air outlet pipe (6) extending out of the box body (1) are both provided with a switch valve (19).

8. The skid-mounted wet flue gas desulfurization treatment device according to claim 3, characterized in that: and a liquid level meter (18) is arranged on the outer wall of the desulfurizing tank (2).