CN210995488U

CN210995488U - Wash benzene tower circulation belt cleaning device

Info

Publication number: CN210995488U
Application number: CN201921361780.7U
Authority: CN
Inventors: 张元和
Original assignee: Yangzhou Jinyuan Chemical Equipment Co ltd
Current assignee: Yangzhou Jinyuan Chemical Equipment Co ltd
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2020-07-14
Anticipated expiration: 2029-08-21

Abstract

The utility model discloses a wash benzene tower circulation belt cleaning device relates to belt cleaning device technical field, and is not good for solving current belt cleaning device cleaning performance, can not realize the thorough cleaning of plug, can't realize the problem of the recycling of liquid medicine moreover. Wash the top of benzene tower body one side and be provided with the drain, the inside of washing the benzene tower body is provided with the mist catcher, the below of mist catcher is provided with into the liquid distributor, the below of advancing the liquid distributor is provided with first packing layer, the below of first packing layer is provided with the second packing layer, be provided with middle distributor between second packing layer and the first packing layer, the below of second packing layer is provided with the back flow, one side of washing the benzene tower body is provided with the circulation room, the one end of back flow extends to the inside in circulation room.

Description

Wash benzene tower circulation belt cleaning device

Technical Field

The utility model relates to a belt cleaning device technical field specifically is a wash benzene tower circulation belt cleaning device.

Background

At present, the coking industry in China relates to a benzene elution process, a benzene washing tower is one of main devices of the benzene elution process, and the resistance of the benzene washing tower of many enterprises can be continuously increased in the operation process, and the reasons are as follows: the coal gas in the production process carries a large amount of tar drops, mechanical impurities such as naphthalene and coke powder, corrosive substances and sulfides formed in a gas pipeline, and the like, and the tar drops, the naphthalene and the coke powder are in reverse contact with wash oil after entering a benzene washing tower to form loose oil dirt with poor liquidity, and the oil dirt is easily adhered to the surface of a packing layer, so that the dirt layer is gradually thickened, and the sectional area of a gas-liquid mass transfer channel is reduced or air holes of the packing layer are blocked. The resistance of the benzene washing tower in a normal operation state is about 1500Pa, the gas containing benzene behind the tower is 2.5g/m3, the resistance can gradually rise along with the operation of the benzene washing tower, when the resistance of the benzene washing tower reaches about 3000Pa, the production is influenced, the gas conveying can be seriously influenced when the resistance of the benzene washing tower gradually rises to about 6000Pa, the yield of crude benzene is greatly reduced, the common method for reducing the resistance of the benzene washing tower mainly adopts liquid medicine for cleaning, the liquid medicine is added from a lean oil pipeline of the benzene washing tower, and then the liquid medicine and a blockage are discharged from the bottom of the benzene washing tower.

The existing cleaning device has poor cleaning effect, can not realize the thorough cleaning of the blocking object and can not realize the recycling of the liquid medicine; therefore, the existing requirements are not met, and a benzene washing tower circulating cleaning device is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wash benzene tower circulation belt cleaning device to solve the current belt cleaning device cleaning performance who provides in the above-mentioned background art not good, can not realize the thorough cleaning of plug, can't realize the problem of the recycling of liquid medicine moreover.

In order to achieve the above object, the utility model provides a following technical scheme: a circulating cleaning device of a benzene washing tower comprises a benzene washing tower body, wherein an emptying port is arranged above one side of the benzene washing tower body, a mist catcher is arranged inside the benzene washing tower body, a liquid inlet distributor is arranged below the mist catcher, a first packing layer is arranged below the liquid inlet distributor, a second packing layer is arranged below the first packing layer, an intermediate distributor is arranged between the second packing layer and the first packing layer, a return pipe is arranged below the second packing layer, a circulating chamber is arranged on one side of the benzene washing tower body, one end of the return pipe extends into the circulating chamber, a liquid inlet pipe is arranged below the return pipe, a circulating pump is arranged at one end of the liquid inlet pipe, the other end of the liquid inlet pipe is fixedly connected with the circulating chamber, a liquid level meter is arranged on one side of the circulating chamber, a heating pipe is arranged inside the circulating chamber, one side of heating pipe is provided with the drainage plate, the one end and the backup pad fixed connection of drainage plate, the top of backup pad is provided with the back flow, the circulating pump passes through pipeline and liquid inlet distributor fixed connection.

Preferably, one side of the middle distributor is provided with a steam purging port.

Preferably, an overhaul manhole is arranged above the other side of the benzene washing tower body.

Preferably, a sewage draining pipe is arranged below the liquid level meter.

Preferably, a dosing pipe is arranged above the circulating chamber.

Preferably, a gas outlet is arranged above the benzene washing tower body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a setting of circulation chamber and circulating pump, the circulating pump is taken the liquid medicine out through the feed liquor pipe and is gone into the inside of washing the benzene tower that the rethread pipeline enters into through wasing the benzene tower and wash, form the grease with the stopper reaction of washing benzene tower inside, during grease and liquid medicine are together from the back flow entering circulation chamber of washing benzene tower bottom, the grease subsides rapidly and separates with the liquid medicine, the grease that subsides is discharged through the blow off pipe under the effect of drainage plate, the liquid medicine after the separation gets into through the circulating pump once more and washes the benzene tower inner loop and wash, the cleaning performance has been improved.

2. Through the setting of heating pipe and steam purge mouth, with the inside heating pipe heating of circulation chamber, can make the liquid medicine dissolve better, strengthen abluent effect, when avoiding the packing layer to lead to blockking up because of some reasons, available steam sweeps and handles.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the circulation chamber of the present invention;

in the figure: 1. a benzene washing tower body; 2. an inspection manhole; 3. a gas outlet; 4. a vent port; 5. a pipeline; 6. a circulation pump; 7. a circulation chamber; 8. a return pipe; 9. a liquid level meter; 10. a blow-off pipe; 11. a medicine feeding pipe; 12. a support plate; 13. a first filler layer; 14. a second packing layer; 15. an intermediate distributor; 16. a steam purge port; 17. a liquid inlet pipe; 18. a liquid inlet distributor; 19. a mist catcher; 20. a drainage plate; 21. heating the tube.

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.

Referring to fig. 1-3, the present invention provides an embodiment: a benzene washing tower circulating cleaning device comprises a benzene washing tower body 1, wherein an emptying port 4 is arranged above one side of the benzene washing tower body 1, when workers go in and overhaul, a part of gas can be discharged from the emptying port 4 so as to ensure the safety of the workers, a mist catcher 19 is arranged inside the benzene washing tower body 1, a liquid inlet distributor 18 is arranged below the mist catcher 19, a first packing layer 13 is arranged below the liquid inlet distributor 18, a second packing layer 14 is arranged below the first packing layer 13, an intermediate distributor 15 is arranged between the second packing layer 14 and the first packing layer 13, a return pipe 8 is arranged below the second packing layer 14, a circulating chamber 7 is arranged on one side of the benzene washing tower body 1, one end of the return pipe 8 extends into the circulating chamber 7, a liquid inlet pipe 17 is arranged below the return pipe 8, a circulating pump 6 is arranged at one end of the liquid inlet pipe 17, and the other end of the liquid inlet pipe 17 is fixedly connected with the circulating chamber 7, one side of circulation room 7 is provided with level gauge 9, can observe the liquid level of the interior liquid medicine of circulation room 7, and the inside of circulation room 7 is provided with heating pipe 21, and one side of heating pipe 21 is provided with drainage plate 20, plays the effect of the inside liquid of drainage back flow pipe 8, and the one end and the backup pad 12 fixed connection of drainage plate 20 are provided with back flow pipe 8 in the top of backup pad 12, and circulating pump 6 passes through pipeline 5 and advances liquid distributor 18 fixed connection.

Further, a steam purge port 16 is provided at one side of the intermediate distributor 15, and when the packing is clogged, the purge treatment may be performed with steam.

Further, wash the top of 1 opposite side of benzene tower body and be provided with maintenance manhole 2, the staff of being convenient for of maintenance manhole 2 gets into in the benzene tower that washes.

Further, a drain pipe 10 is arranged below the liquid level meter 9, and the cleaned oil stain can be discharged from the drain pipe 10.

Furthermore, a medicine feeding pipe 11 is arranged above the circulating chamber 7, and the medicine feeding pipe 11 is used for feeding cleaning medicine liquid.

Further, the top of benzene washing tower body 1 is provided with gas outlet 3, and gas outlet 3 is convenient for wash the discharge of benzene tower inside gas, can carry out recycle.

The working principle is as follows: during the use, add the washing liquid medicine from adding pencil 11 after, start circulating pump 6, circulating pump 6 takes the liquid medicine out through feed liquor pipe 17 and washs the inside that rethread pipeline 5 entered into the benzene washing tower, react with the stopper of washing benzene tower inside and form the oil dirt, oil dirt and liquid medicine are in the back flow 8 entering circulation chamber 7 from washing benzene tower bottom together, the oil dirt subsides rapidly and separates with the liquid medicine, the oil dirt that subsides discharges through blow off pipe 10 under the effect of drainage plate 20, the liquid medicine after the separation gets into the washing benzene tower inner loop through circulating pump 6 once more and washs, the cleaning performance has been improved, heat the heating pipe 21 of circulation chamber 7 inside, can make the liquid medicine dissolve better, strengthen abluent effect, level gauge 9 can observe the liquid level of liquid medicine in circulation chamber 7 well, when the packing layer leads to the jam because of some reasons, the accessible steam sweeps the processing.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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.

Claims

1. The utility model provides a wash benzene tower circulation belt cleaning device, includes wash benzene tower body (1), its characterized in that: the benzene washing tower comprises a benzene washing tower body (1), wherein a vent hole (4) is formed in the upper portion of one side of the benzene washing tower body (1), a mist catcher (19) is arranged inside the benzene washing tower body (1), a liquid inlet distributor (18) is arranged below the mist catcher (19), a first packing layer (13) is arranged below the liquid inlet distributor (18), a second packing layer (14) is arranged below the first packing layer (13), an intermediate distributor (15) is arranged between the second packing layer (14) and the first packing layer (13), a return pipe (8) is arranged below the second packing layer (14), a circulation chamber (7) is arranged on one side of the benzene washing tower body (1), one end of the return pipe (8) extends into the circulation chamber (7), a liquid inlet pipe (17) is arranged below the return pipe (8), and a circulation pump (6) is arranged at one end of the liquid inlet pipe (17), the other end and the circulation room (7) fixed connection of feed liquor pipe (17), one side of circulation room (7) is provided with level gauge (9), the inside of circulation room (7) is provided with heating pipe (21), one side of heating pipe (21) is provided with drainage plate (20), the one end and backup pad (12) fixed connection of drainage plate (20), the top of backup pad (12) is provided with back flow (8), circulating pump (6) are through pipeline (5) and advance liquid distributor (18) fixed connection.

2. The circulating cleaning device for the benzene washing tower according to claim 1, characterized in that: and a steam purging port (16) is arranged on one side of the middle distributor (15).

3. The circulating cleaning device for the benzene washing tower according to claim 1, characterized in that: and an overhaul manhole (2) is arranged above the other side of the benzene washing tower body (1).

4. The circulating cleaning device for the benzene washing tower according to claim 1, characterized in that: a sewage discharge pipe (10) is arranged below the liquid level meter (9).

5. The circulating cleaning device for the benzene washing tower according to claim 1, characterized in that: a dosing pipe (11) is arranged above the circulating chamber (7).

6. The circulating cleaning device for the benzene washing tower according to claim 1, characterized in that: and a gas outlet (3) is arranged above the benzene washing tower body (1).