CN215742875U

CN215742875U - Device for reducing chlorine content in tail hydrogen

Info

Publication number: CN215742875U
Application number: CN202123257855.7U
Authority: CN
Inventors: 李强强; 李向波; 万桐桐; 宋荣光
Original assignee: Dongying Yunxiang Chemical Co ltd
Current assignee: Dongying Yunxiang Chemical Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-02-08
Anticipated expiration: 2031-12-23

Abstract

The utility model relates to the technical field of gas dechlorination, and discloses a device for reducing chlorine content in tail hydrogen, which comprises a filter box, wherein a filter screen is fixedly connected to the top of the inner wall of the filter box, the top end of the filter box is fixedly connected to one end of a transmission pipe, the other end of the transmission pipe is fixedly connected with a pump, and the output end of the pump is fixedly connected to one end of a flange connecting pipe. According to the utility model, the rotating shaft and the stirring paddle are driven to rotate by the motor, the circulation speed of gas in the dechlorination tank is accelerated, so that the internal reduction tail hydrogen is fully reacted with the catalyst in the catalytic box, meanwhile, the reaction part is heated by the heating ring, the dechlorination efficiency is improved, the reduction tail hydrogen sequentially passes through the first ceramic ball layer and the second ceramic ball layer, the reduction tail hydrogen can be cooled while catalyst dust is filtered, the purity of the reduction tail hydrogen is improved, and the damage of the reduction tail hydrogen to a subsequent supercharger is reduced.

Description

Device for reducing chlorine content in tail hydrogen

Technical Field

The utility model relates to the technical field of gas dechlorination, in particular to a device for reducing the chlorine content in tail hydrogen.

Background

In chemical production, chlorine is a common catalyst poison, has high electron affinity and mobility, easily causes catalyst poisoning and inactivation, can cause environmental pollution simultaneously, has great harmfulness, consequently, dechlorination to chemical raw materials has very important meaning, has chlorine and catalyst dust in the reduction tail hydrogen, causes very big harm to the booster compressor air valve, has increased booster compressor maintenance frequency, also causes chlorine corrosion to the pipeline.

At present, hydrogenation reaction is carried out before dechlorination, chlorine elements in raw materials to be treated are changed into hydrogen chloride, then dechlorination is carried out, generated chloride can be separated from the raw materials to be treated and directly attached to a catalyst, but the catalyst and gas react slowly, the dechlorination efficiency is low, and meanwhile, the gas after reaction has catalyst dust, and impurities in the gas easily cause great damage to subsequently used machines.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a device for reducing the content of chlorine in tail hydrogen.

In order to achieve the purpose, the utility model adopts the following technical scheme: a device for reducing chlorine content in tail hydrogen of still, including the filter box, the inner wall top fixedly connected with filter screen of filter box, the top fixed connection of filter box is in the one end of transmission pipe, the other end fixedly connected with pump of transmission pipe, the output fixed connection of pump is in the one end of flange joint pipe, the other end fixed connection of flange joint pipe is at the right-hand member top of dechlorination jar, the top fixedly connected with motor of dechlorination jar, the drive end of motor runs through the top and the fixedly connected with pivot of dechlorination jar, a plurality of stirring rakes of fixedly connected with on the axis body of pivot, the internal diameter middle part fixedly connected with catalysis box of dechlorination jar, the external diameter of dechlorination jar corresponds the position department fixedly connected with heating coil of catalysis box, the bottom inner wall middle part fixedly connected with aspirator pump of dechlorination jar, dechlorination jar and fixedly connected with outlet duct are run through to the bottom of aspirator pump, the bottom inner wall fixedly connected with second porcelain ball layer of dechlorination jar, the first porcelain ball layer of top fixedly connected with of second porcelain ball layer.

As a further description of the above technical solution:

and the bottom of the right end of the filter box is fixedly connected with an air inlet pipe.

As a further description of the above technical solution:

the top of the left end of the dechlorination tank is fixedly connected with a suspension column.

As a further description of the above technical solution:

the bottom of the left end of the dechlorination tank is fixedly connected with a discharge opening.

As a further description of the above technical solution:

the equal fixedly connected with backup pad in bottom left and right sides of dechlorination jar, the equal fixedly connected with blotter in bottom of backup pad.

As a further description of the above technical solution:

the bottom fixed connection of pivot is in the top middle part of perforated plate, the external diameter fixed connection of perforated plate is at the outer wall of dechlorination jar.

As a further description of the above technical solution:

and a valve is arranged on the body of the air outlet pipe.

The utility model has the following beneficial effects:

1. according to the utility model, the reduced tail hydrogen is firstly sucked into the filter box through the air inlet pipe by the pump, impurities in the reduced tail hydrogen are removed through the filter screen, then the reduced tail hydrogen enters the dechlorination tank, the rotating shaft and the stirring paddle are driven to rotate by the motor, the circulation speed of gas inside the dechlorination tank is accelerated, the reduced tail hydrogen inside the dechlorination tank is fully reacted with the catalyst in the catalysis box, and meanwhile, the reaction part is heated by the heating ring, so that the dechlorination efficiency is improved, and the dechlorination effect is better.

2. According to the utility model, after dechlorination is finished, the valve is opened, the dechlorinated reduction tail hydrogen is sucked into the gas outlet pipe through the gas suction pump and is discharged and utilized, the reduction tail hydrogen sequentially passes through the first ceramic ball layer and the second ceramic ball layer in the sucking process, the reduction tail hydrogen can be cooled while catalyst dust is filtered, the purity of the reduction tail hydrogen is improved, the damage of the reduction tail hydrogen to a subsequent supercharger is reduced, the supercharger maintenance frequency is greatly reduced, the hidden danger of chlorine corrosion is eliminated, and the start-up period of the device is prolonged.

Drawings

FIG. 1 is a perspective view of an apparatus for reducing the chlorine content of tail hydrogen according to the present invention;

FIG. 2 is a schematic diagram of the structure of a dechlorination tank of the device for reducing the chlorine content in tail hydrogen.

Illustration of the drawings:

1. a dechlorination tank; 2. heating a ring; 3. a stirring paddle; 4. a flange connecting pipe; 5. a rotating shaft; 6. a motor; 7. hoisting a column; 8. a catalyst cartridge; 9. a first ceramic ball layer; 10. a discharge opening; 11. a second ceramic ball layer; 12. a support plate; 13. a cushion pad; 14. an air outlet pipe; 15. a valve; 16. a getter pump; 17. an air inlet pipe; 18. a conveying pipe; 19. pumping; 20. a filter box; 21. filtering with a screen; 22. a multi-well plate.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, one embodiment of the present invention is provided: a device for reducing chlorine content in tail hydrogen comprises a filter box 20, the top of the inner wall of the filter box 20 is fixedly connected with a filter screen 21, the top of the filter box 20 is fixedly connected with one end of a transmission pipe 18, the other end of the transmission pipe 18 is fixedly connected with a pumping pump 19, the output end of the pumping pump 19 is fixedly connected with one end of a flange connecting pipe 4, the other end of the flange connecting pipe 4 is fixedly connected with the top of the right end of a dechlorination tank 1, the top of the dechlorination tank 1 is fixedly connected with a motor 6, the driving end of the motor 6 penetrates through the top of the dechlorination tank 1 and is fixedly connected with a rotating shaft 5, a plurality of stirring paddles 3 are fixedly connected on the shaft body of the rotating shaft 5, the middle part of the inner diameter of the dechlorination tank 1 is fixedly connected with a catalysis box 8, the outer diameter of the dechlorination tank 1 corresponds to a heating ring 2 fixedly connected with the position of the catalysis box 8, the middle part of the inner wall of the bottom of the dechlorination tank 1 is fixedly connected with an air suction pump 16, the bottom end of the air pump 16 penetrates through the dechlorination tank 1 and is fixedly connected with an air outlet pipe 14, dechlorination jar 1's bottom inner wall fixedly connected with second porcelain ball layer 11, the first porcelain ball layer 9 of top fixedly connected with of second porcelain ball layer 11, in passing through intake pipe 17 suction filter box 20 with reduction tail hydrogen through pump 19, impurity in with reduction tail hydrogen through filter screen 21 gets rid of, then get into dechlorination jar 1 in, drive pivot 5 and stirring rake 3 through motor 6 and rotate, 1 inside gas circulation speed of dechlorination jar accelerates, make inside reduction tail hydrogen fully react with the catalyst in the catalysis box 8, heat reaction part through heating ring 2 simultaneously, dechlorination efficiency has been improved, dechlorination effect is better.

An air inlet pipe 17 is fixedly connected to the bottom of the right end of the filter box 20, a suspension post 7 is fixedly connected to the top of the left end of the dechlorination tank 1, the dechlorination tank 1 is convenient to hoist, a discharge opening 10 is fixedly connected to the bottom of the left end of the dechlorination tank 1, filtered catalyst dust is discharged through the discharge opening 10, supporting plates 12 are fixedly connected to the left side and the right side of the bottom of the dechlorination tank 1, cushions 13 are fixedly connected to the bottoms of the supporting plates 12, the stability of the dechlorination tank 1 is improved, certain buffering effect on vibration generated by the dechlorination tank 1 is achieved, the service life of the dechlorination tank 1 is prolonged, the bottom of the rotating shaft 5 is fixedly connected to the middle of the top of a porous plate 22, the outer diameter of the porous plate 22 is fixedly connected to the outer wall of the dechlorination tank 1, the stability of the rotating shaft 5 is improved, the dechlorination tank 1 is prevented from shaking when the rotating shaft 5 is rotated, a valve 15 is arranged on pipe body of the air outlet pipe 14, the valve 15 is opened after dechlorination is completed, the dechlorinated reduced tail hydrogen is sucked into the gas outlet pipe 14 by the air suction pump 16 and is discharged for utilization.

The working principle is as follows: firstly, the reducing tail hydrogen is sucked into a filter box 20 through an air inlet pipe 17 by a pump 19, impurities in the reducing tail hydrogen are removed through a filter screen 21, then enters a dechlorination tank 1, a motor 6 drives a rotating shaft 5 and a stirring paddle 3 to rotate, the circulation speed of the gas in the dechlorination tank 1 is accelerated, the internal reduction tail hydrogen is fully reacted with a catalyst in a catalytic box 8, meanwhile, the reaction part is heated by the heating ring 2, the dechlorination efficiency is improved, the dechlorination effect is better, the valve 15 is opened after dechlorination is finished, the dechlorinated reduced tail hydrogen is sucked into the gas outlet pipe 14 by the air suction pump 16 and is discharged for utilization, the reduced tail hydrogen passes through the first ceramic ball layer 9 and the second ceramic ball layer 11 in sequence in the suction process, the reduction tail hydrogen can be cooled while catalyst dust is filtered, the purity of the reduction tail hydrogen is improved, and the damage of the reduction tail hydrogen to a subsequent supercharger is reduced.

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 utility model.

Claims

1. Device for reducing chlorine content in tail hydrogen of reduction, including filter box (20), characterized by: the inner wall top fixedly connected with filter screen (21) of straining box (20), the top fixed connection of straining box (20) is in the one end of transmission pipe (18), the other end fixedly connected with pump (19) of transmission pipe (18), the output fixed connection of pump (19) is in the one end of flange joint pipe (4), the other end fixed connection of flange joint pipe (4) is at the right-hand member top of dechlorination jar (1), the top fixed connection of dechlorination jar (1) has motor (6), the drive end of motor (6) runs through the top and the fixedly connected with pivot (5) of dechlorination jar (1), fixedly connected with a plurality of stirring rake (3) on the axis body of pivot (5), the internal diameter middle part fixedly connected with catalysis box (8) of dechlorination jar (1), the external diameter of dechlorination jar (1) corresponds the position department fixedly connected with heating coil (2) of catalysis box (8), the bottom inner wall middle part fixedly connected with aspirator pump (16) of dechlorination jar (1), the bottom of aspirator pump (16) runs through dechlorination jar (1) and fixedly connected with outlet duct (14), the bottom inner wall fixedly connected with second porcelain ball layer (11) of dechlorination jar (1), the first porcelain ball layer (9) of top fixedly connected with of second porcelain ball layer (11).

2. The apparatus for reducing the chlorine content of tail hydrogen of claim 1, wherein: and the bottom of the right end of the filter box (20) is fixedly connected with an air inlet pipe (17).

3. The apparatus for reducing the chlorine content of tail hydrogen of claim 1, wherein: the top of the left end of the dechlorination tank (1) is fixedly connected with a suspension post (7).

4. The apparatus for reducing the chlorine content of tail hydrogen of claim 1, wherein: the bottom of the left end of the dechlorination tank (1) is fixedly connected with a discharge opening (10).

5. The apparatus for reducing the chlorine content of tail hydrogen of claim 1, wherein: the equal fixedly connected with backup pad (12) in bottom left and right sides of dechlorination jar (1), the equal fixedly connected with blotter (13) in bottom of backup pad (12).

6. The apparatus for reducing the chlorine content of tail hydrogen of claim 1, wherein: the bottom fixed connection of pivot (5) is in the top middle part of perforated plate (22), the external diameter fixed connection of perforated plate (22) is at the outer wall of dechlorination jar (1).

7. The apparatus for reducing the chlorine content of tail hydrogen of claim 1, wherein: and a valve (15) is arranged on the body of the air outlet pipe (14).