CN214319701U

CN214319701U - Desulfurization system desulfurizing tower sprays layer corrosion prevention system

Info

Publication number: CN214319701U
Application number: CN202021953947.1U
Authority: CN
Inventors: 张现伟; 赵庆祥; 李培垒; 张雷; 张沛晨; 雷庆波
Original assignee: Linyi City Yangguang Heating Power Co ltd
Current assignee: Linyi City Yangguang Heating Power Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-10-01
Anticipated expiration: 2030-09-08

Abstract

The utility model discloses a desulfurization system desulfurizing tower spray coating anti-corrosion system, which comprises a desulfurizing tower body with a base, wherein the base is formed at the bottom of the desulfurizing tower body, a spray device is arranged at the position of the top in the desulfurizing tower body, an anti-corrosion wear-resistant layer is fixedly connected on the inner wall in the desulfurizing tower body, an alkaline infusion tube is detachably connected on the annular inner wall in the desulfurizing tower body, the alkaline infusion tube is communicated with an alkaline liquid box through a liquid pump, the alkaline liquid box is communicated with a water delivery tube, the alkaline infusion tube is provided with an infusion hole, the water delivery tube passes through the alkaline liquid box and the alkaline infusion tube and flows from top to bottom along the inner wall of the desulfurizing tower body, thereby form anticorrosive coating on the desulfurizing tower body inner wall, can be by the neutralization when the desulfurizing tower body inner wall is touchd to acidic material to avoid desulfurizing tower body inner wall to be corroded. Is suitable for the technical field of corrosion prevention of the desulfurizing tower.

Description

Desulfurization system desulfurizing tower sprays layer corrosion prevention system

Technical Field

The utility model belongs to the technical field of the desulfurizing tower is anticorrosive, specifically speaking relates to a desulfurizing system desulfurizing tower sprays layer corrosion prevention system.

Background

The absorption tower is the main equipment of the desulfurization system, and the absorption tower is operated under the acidic condition for a long time, and must be subjected to corrosion prevention treatment, particularly the absorption section of the absorption tower, so that the absorption tower can bear acid corrosion and more importantly can withstand the scouring of sprayed slurry. The traditional absorption tower absorption section is mainly used for corrosion prevention by coating glass flakes, but the actual operation condition is not ideal. Although the glass flakes are suitable for acidic conditions, the glass flakes have poor wear resistance, and the wall of the absorption tower is quickly punctured without flushing the spraying slurry mixed with a large amount of solid particles, so that the accident of shutdown of a desulfurization system is caused. Statistics shows that the corrosion prevention mode of the glass flakes is adopted, under the condition of always running, the tower wall can be flushed and punctured by spraying slurry for 6-12 months generally, and even more, the phenomenon of abrasion in different degrees appears in less than 3 months. If the desulfurization system is provided with a bypass system, the overhaul can be flexibly implemented, but the bypass system is not allowed to be arranged in a plurality of projects along with the stricter environmental protection requirement, so the safety of the absorption tower is more important, and the requirement cannot be met only by coating the glass flakes.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a desulfurization system desulfurizing tower sprays layer corrosion prevention system in order to solve above-mentioned problem.

The utility model realizes the above purpose by the following technical proposal, a desulfurization system desulfurizing tower spray layer anti-corrosion system, which comprises a desulfurizing tower body formed with a base, wherein the base is arranged at the bottom of the desulfurizing tower body, a spray device for spraying spray slurry is arranged at the position of the top in the desulfurizing tower body, an anti-corrosion wear-resistant layer for preventing the spray slurry sprayed by the spray device from scouring is fixedly connected on the inner wall in the desulfurizing tower body, an alkaline infusion tube is detachably connected on the annular inner wall in the desulfurizing tower body, the alkaline infusion tube is communicated with an alkaline liquid box through a liquid pump, the alkaline liquid box is communicated with a water delivery tube, the alkaline infusion tube is provided with an infusion hole, the water passes through the alkaline liquid box and the alkaline infusion tube and passes through the infusion hole, so that the alkaline liquid is adhered to the inner wall of the desulfurizing tower body from top to bottom, so as to form an anticorrosive film formed on the inner wall of the tower body of the desulfurizing tower and used for neutralizing acidic substances.

Preferably, the spraying device comprises a plurality of supporting beams which are formed between the inner walls of the desulfurization tower body at intervals, each supporting beam is detachably provided with a spraying pipe, the bottom of each spraying pipe is detachably communicated with a conical spray head, the spraying pipes are communicated with a plane shape which is an E shape, the spraying pipes are communicated with a circulating pump through circulating pipes, the side wall of the desulfurization tower body is fixedly connected with a first fixing plate, the circulating pump is fixedly connected to the first fixing plate, the circulating pump is communicated with a suction pipe penetrating into the desulfurization tower body, and spraying slurry is pumped out of the circulating pump to the inside of the circulating pipe and sprayed out of the conical spray head.

Preferably, the spray pipe is fixedly connected with the support beam through a plurality of pipe brackets.

Preferably, anticorrosive wearing layer including coat in the glass scale layer of desulfurizing tower body inner wall, brush on the glass scale layer has the vinyl resin layer, vinyl resin layer facing has the antifriction plate, fix through special glue film between antifriction plate and the vinyl resin layer.

Preferably, the basicity transfer line is located spray set's top and surround in on the desulfurizing tower body inner wall, can dismantle on the desulfurizing tower body inner wall and be connected with the current-limiting plate that is used for pasting the alkaline liquid that the basicity transfer line flows the desulfurizing tower body inner wall flow, the current-limiting plate is annular U template, the current-limiting plate will basicity transfer line lock in inside the current-limiting plate, the current-limiting plate with desulfurizing tower body coaxial line sets up, the top of current-limiting plate is formed with the extension board, the extension board with the desulfurizing tower body passes through fixing bolt and fixes, the bottom of current-limiting plate with form the clearance between the desulfurizing tower body inner wall, the alkaline liquid of basicity transfer line flows through the clearance by the transfusion hole to constitute the formation to the anticorrosive coating.

Preferably, a second fixing plate is formed on the outer wall of the desulfurization tower body, the alkaline liquid tank is fixedly connected to the second fixing plate, and the liquid pump is fixedly connected to and communicated with the alkaline liquid tank.

Preferably, the base is internally provided with an inclined block connected with the inner wall of the base, the end part of the inclined block is fixedly connected with a sealing plate, and the sealing plate penetrates through the base and extends to the outside.

Preferably, a drain pipe is communicated with the side wall of the desulfurizing tower body above the sealing plate.

Preferably, the side wall of the desulfurization tower body above the inclined block is communicated with a radiating pipe, and the two ends of the radiating pipe are communicated with the inside and the outside of the desulfurization tower body.

The utility model discloses owing to adopted foretell structure, it compares with prior art, and the technical progress who gains lies in:

the utility model comprises a desulfurizing tower body with a base, the base is formed at the bottom of the desulfurizing tower body, a spray device for spraying spray slurry is arranged at the position of the top in the desulfurizing tower body, an anti-corrosion wear-resistant layer is fixedly connected on the inner wall in the desulfurizing tower body and is used for preventing the spray slurry sprayed by the spray device from being washed away, an alkaline infusion tube is detachably connected on the annular inner wall in the desulfurizing tower body and is communicated with an alkaline liquid box through a liquid pump, the alkaline liquid box is communicated with a water delivery tube, the alkaline infusion tube is provided with an infusion hole, the water delivery tube passes through the alkaline liquid box and the alkaline infusion tube and passes through the infusion hole, so that the alkaline liquid flows from top to bottom along the inner wall of the desulfurizing tower body, thereby forming an anti-corrosion film on the inner wall of the desulfurizing tower body, acidic substances can be generated to corrode the inner wall of the desulfurizing tower body in the operation process, at the moment, the anticorrosive film is alkaline, and acidic substances can be neutralized when contacting the inner wall of the desulfurizing tower body, so that the inner wall of the desulfurizing tower body is prevented from being corroded; owing to set up anticorrosive wearing layer, both can prevent that the desulfurizing tower body inner wall from being corroded by acidic material, also strengthened the wearability of desulfurizing tower body inner wall, can bear the impact that sprays the thick liquid promptly to guarantee the safe operation of desulfurizing tower, strengthened the life of desulfurizing tower.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a cross-sectional view of an embodiment of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 2;

fig. 5 is a schematic structural view of a spraying device according to an embodiment of the present invention;

fig. 6 is a schematic structural view of the shower pipe according to the embodiment of the present invention;

fig. 7 is an exploded view of the shower pipe and the choke plate according to the embodiment of the present invention.

In the figure: 1. the base, 2, the desulfurizing tower body, 3, alkaline transfer line, 4, the drawing liquid pump, 5, alkaline liquid case, 6, raceway, 7, the infusate hole, 8, a supporting beam, 9, the shower, 10, the toper shower nozzle, 11, the circulating pipe, 12, the circulating pump, 13, first fixed plate, 14, the conduit saddle, 15, the glass flake layer, 16, vinyl resin layer, 17, the antifriction plate, 19, the restrictor plate, 20, the extension board, 21, fixing bolt, 22, second fixed plate, 23, the sloping block, 24, the closing plate, 25, the drain pipe, 26, the heating panel, 27, the extraction pipe.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but 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.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Embodiment desulfurization system desulfurizing tower sprays layer anticorrosive system

Referring to fig. 1-7, a desulfurization tower spray layer corrosion prevention system of a desulfurization system comprises a desulfurization tower body 2 with a base 1, wherein the base 1 is formed at the bottom of the desulfurization tower body 2, a spray device for spraying spray slurry is arranged at the top in the desulfurization tower body 2, an anti-corrosion wear-resistant layer is fixedly connected on the inner wall in the desulfurization tower body 2 and used for preventing the spray slurry sprayed by the spray device from being washed away, an alkaline infusion tube 3 is detachably connected on the annular inner wall in the desulfurization tower body 2, the alkaline infusion tube 3 is communicated with an alkaline liquid tank 5 through a liquid pump 4, the alkaline liquid tank 5 is communicated with a water delivery tube 6, the alkaline infusion tube 3 is provided with an infusion hole 7, the water delivery tube 6 enables water to flow from top to bottom along the inner wall of the desulfurization tower body 2 through the alkaline liquid tank 5 and the alkaline infusion tube 3 and the infusion hole 7, therefore, an anti-corrosion film is formed on the inner wall of the desulfurizing tower body 2, an acid substance can be generated to corrode the inner wall of the desulfurizing tower body 2 in the operation process of the desulfurizing tower body, the anti-corrosion film is alkaline at the moment, and the acid substance can be neutralized when contacting the inner wall of the desulfurizing tower body 2, so that the inner wall of the desulfurizing tower body 2 is prevented from being corroded; owing to set up anticorrosive wearing layer, both can prevent that 2 inner walls of desulfurizing tower body from being corroded by acidic material, also strengthened the wearability of 2 inner walls of desulfurizing tower body, can bear the impact that sprays the thick liquid promptly to guarantee the safe operation of desulfurizing tower, strengthened the life of desulfurizing tower.

The concrete structure of the spray device in this embodiment is that the spray device comprises a plurality of supporting beams 8, each supporting beam 8 is formed between the inner walls of the tower body 2 of the desulfurization tower, each supporting beam 8 is arranged at intervals, each supporting beam 8 is detachably provided with a spray pipe 9, the bottom of the spray pipe 9 is detachably connected with a conical spray head 10, the planar shape of the spray pipe 9 is E-shaped, the spray pipe 9 is communicated with a circulating pump 12 through a circulating pipe 11, the side wall of the tower body 2 of the desulfurization tower is fixedly connected with a first fixing plate 13, the circulating pump 12 is fixedly connected with the first fixing plate 13, the circulating pump 12 is communicated with a draw-out pipe 27 penetrating into the interior of the tower body 2 of the desulfurization tower, spray slurry is drawn out into the circulating pipe 11 by the circulating pump 12 and is sprayed out from the conical spray head 10, the spray pipe 9 and the supporting beam 8 are fixedly connected through a plurality of pipe brackets 14, the spray slurry sprayed out of the conical spray head 10 is conical spray slurry, namely, the spraying slurry is dispersed in a downward diffusion mode in the desulfurizing tower body 2, the spraying slurry is sprayed on an anticorrosive wear-resistant layer on the inner wall of the desulfurizing tower body 2, the specific structure of the anticorrosive wear-resistant layer is that the anticorrosive wear-resistant layer comprises a glass scale layer 15 coated on the inner wall of the desulfurizing tower body 2, a vinyl resin layer 16 is coated on the glass scale layer 15, an abrasion-resistant plate 17 is pasted on the vinyl resin layer 16, the abrasion-resistant plate 17 and the vinyl resin layer 16 are fixed through a special adhesive layer, due to the arrangement of the anticorrosive wear-resistant layer, the problem of acid corrosion of the inner wall of the desulfurizing tower body 2 is solved, importantly, after the wear-resistant layer 17 is installed, the impact of the spraying slurry can be borne, the safe operation of the desulfurizing tower is ensured, the specific method of the special adhesive layer is that a certain amount of marble adhesive is taken according to the required curing time and is mixed with a certain curing agent and is stirred uniformly by a stirrer, the prepared mix was shovelled onto a wear plate 17.

The alkaline infusion tube 3 of the embodiment is positioned above the spraying device and surrounds the inner wall of the desulfurizing tower body 2, the inner wall of the desulfurizing tower body 2 is detachably connected with a flow limiting plate 19 for enabling alkaline liquid flowing out of the alkaline infusion tube 3 to flow along the inner wall of the desulfurizing tower body 2, specifically, the flow limiting plate 19 is an annular U-shaped plate, the alkaline infusion tube 3 is buckled inside the flow limiting plate 19 by the flow limiting plate 19, the flow limiting plate 19 and the desulfurizing tower body 2 are coaxially arranged, an extending plate 20 is formed at the top of the flow limiting plate 19, the extending plate 20 and the desulfurizing tower body 2 are fixed through a fixing bolt 21, a gap is formed between the bottom end of the flow limiting plate 19 and the inner wall of the desulfurizing tower body 2, the alkaline liquid of the alkaline infusion tube 3 flows through the gap through a liquid conveying hole 7, so as to form an alkaline anti-corrosion film, acidic substances generated in the operation process of the desulfurizing tower can corrode the inner wall of the desulfurizing tower body 2, at this moment raceway 6 is with rivers through alkaline liquid case 5 and alkaline transfer line 3, and through transfusion hole 7, make alkaline liquid paste 2 inner walls of desulfurizing tower body by last flow down, form anticorrosive film, and because be provided with by alkaline anticorrosive substance in the alkaline liquid case 5, can be by the neutralization when the acidic substance runs into 2 inner walls of desulfurizing tower body, thereby avoid 2 inner walls of desulfurizing tower body to be corroded, the life of desulfurizing tower has been prolonged, the poor problem of traditional anticorrosion chemical industry desulfurizing tower corrosion protection can be solved, owing to set up current-limiting plate 19, can make alkaline liquid paste 2 inner walls of desulfurizing tower body and flow, thereby better protect 2 inner walls of desulfurizing tower body.

In this embodiment, a second fixing plate 22 is formed on the outer wall of the desulfurizing tower body 2, the alkaline liquid tank 5 is fixedly connected to the second fixing plate 22, the liquid pump 4 is fixedly connected to the alkaline liquid tank 5, the liquid pump 4 and the alkaline liquid tank 5 are communicated with each other, an inclined block 23 is arranged inside the base 1, the inclined block 23 is matched with the inner wall of the base 1, a sealing plate 24 is fixedly connected to the end of the inclined block 23, the sealing plate 24 penetrates through the base 1 and extends to the outside, a drain pipe 25 is communicated with the side wall of the desulfurizing tower body 2 above the sealing plate 24, a radiating pipe 26 is communicated with the side wall of the desulfurizing tower body 2 above the inclined block 23, the inside and the outside of the desulfurizing tower body 2 are communicated with each other by the two ends of the radiating pipe 26, the sealing performance of the desulfurizing tower is ensured by the arrangement of the inclined block 23 and the sealing plate 24, and the drain pipe 25 is arranged to facilitate the water drainage work of the inside the desulfurizing tower body 2 by the worker, through setting up heating panel 26, guaranteed that the desulfurizing tower can normally dispel the heat, avoided the inside high temperature of desulfurizing tower body 2 to take place the incident.

It is well within the skill of those in the art to implement, without undue experimentation, the present invention does not relate to software and process improvements, as related to circuits and electronic components and modules.

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.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a desulfurization system desulfurizing tower sprays layer corrosion prevention system which characterized in that: comprises a desulfurizing tower body with a base, the base is arranged at the bottom of the desulfurizing tower body, a spray device for spraying slurry is arranged at the top in the desulfurizing tower body, the inner wall in the desulfurizing tower body is fixedly connected with an anti-corrosion wear-resistant layer for preventing spraying slurry sprayed by the spraying device from scouring, an alkaline infusion tube is detachably connected to the annular inner wall in the desulfurizing tower body, the alkaline infusion tube is communicated with an alkaline liquid tank through a liquid pump, the alkaline liquid tank is communicated with a water delivery pipe, the alkaline liquid delivery pipe is provided with a transfusion hole, the water delivery pipe enables water to flow through the alkaline liquid tank and the alkaline liquid delivery pipe, and the alkaline liquid flows from top to bottom along the inner wall of the tower body of the desulfurizing tower through the liquid conveying hole so as to form an anticorrosive film which is formed on the inner wall of the tower body of the desulfurizing tower and is used for neutralizing acidic substances.

2. The spray layer corrosion prevention system of the desulfurization tower of the desulfurization system as recited in claim 1, characterized in that: spray set includes that a plurality of interval forms in a supporting beam between the desulfurizing tower body inner wall, each demountable installation has the shower on the supporting beam, the intercommunication can be dismantled to the bottom of shower has the toper shower nozzle, the shower intercommunication has the plane shape to be E shape, the shower has the circulating pump through circulating pipe intercommunication, first fixed plate has been linked firmly on the desulfurizing tower body lateral wall, the circulating pump link firmly in on the first fixed plate, the circulating pump intercommunication has the extraction pipe that penetrates the inside desulfurizing tower body, spray the thick liquid by the circulating pump take out to in the circulating pipe to spout from the toper shower nozzle.

3. The desulfurization system desulfurizing tower spray layer anticorrosion system of claim 2, wherein: the spraying pipe is fixedly connected with the supporting beam through a plurality of pipe brackets.

4. The spray layer corrosion prevention system of the desulfurization tower of the desulfurization system as recited in claim 3, characterized in that: anticorrosive wearing layer including coat in the glass scale layer of desulfurizing tower body inner wall, brush on the glass scale layer and have had the vinyl resin layer, the vinyl resin layer facing has the antifriction plate, fix through special glue film between antifriction plate and the vinyl resin layer.

5. The desulfurization system desulfurizing tower spray layer anticorrosion system of claim 4, wherein: the basicity transfer line is located spray set's top and encircle in on the desulfurizing tower body inner wall, can dismantle on the desulfurizing tower body inner wall and be connected with the current-limiting plate that is used for pasting the alkaline liquid that the basicity transfer line flows desulfurizing tower body inner wall flow, the current-limiting plate is annular U template, the current-limiting plate will basicity transfer line lock in inside the current-limiting plate, the current-limiting plate with desulfurizing tower body coaxial line sets up, the top of current-limiting plate is formed with the extension board, the extension board with the desulfurizing tower body passes through fixing bolt and fixes, the bottom of current-limiting plate with form the clearance between the desulfurizing tower body inner wall, the alkaline liquid of basicity transfer line is flowed through the clearance by the infusate hole to constitute the formation to the anticorrosive coating.

6. The desulfurization system desulfurizing tower spray layer anticorrosion system of claim 5, wherein: and a second fixing plate is formed on the outer wall of the desulfurization tower body, the alkaline liquid tank is fixedly connected to the second fixing plate, and the liquid pump is fixedly connected to and communicated with the alkaline liquid tank.

7. The spray layer corrosion prevention system of the desulfurization tower of the desulfurization system as recited in claim 1, characterized in that: the base is internally provided with an inclined block connected with the inner wall of the base, the end part of the inclined block is fixedly connected with a sealing plate, and the sealing plate penetrates through the base and extends to the outside.

8. The spray layer corrosion prevention system of the desulfurization tower of the desulfurization system as recited in claim 7, characterized in that: and the side wall of the desulfurizing tower body above the sealing plate is communicated with a drain pipe.

9. The spray layer corrosion prevention system of the desulfurization tower of the desulfurization system as recited in claim 7, characterized in that: the side wall of the desulfurizing tower body above the inclined block is communicated with a radiating pipe, and the two ends of the radiating pipe are communicated with the inside and the outside of the desulfurizing tower body.