CN217312664U

CN217312664U - Spraying absorption tower based on vinyl chloroacetate recovery

Info

Publication number: CN217312664U
Application number: CN202220389100.8U
Authority: CN
Inventors: 刘爱国
Original assignee: Shandong Guoyao Chemical Technology Co ltd
Current assignee: Shandong Guoyao Chemical Technology Co ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-08-30
Anticipated expiration: 2032-02-24

Abstract

The utility model discloses a spray absorption tower based on vinyl chloroacetate recovery, which comprises a tower body, a water pump, a filter screen, a baffling dehydrator and a return air pipe, wherein a first filling hopper is fixedly connected inside the tower body, a second filling hopper is fixedly connected inside the tower body and right above the first filling hopper, the water pump is fixedly connected outside the tower body, a water pipe is fixedly connected at the output end of the water pump, spray pipes are fixedly connected inside the tower body and above the first filling hopper and the second filling hopper, one ends of the two spray pipes penetrate through the tower body and are fixedly connected with the water pipe, the utility model has the advantages of compact structure, simple operation and strong practicability, clear water can be fully contacted with gas through the matching of the spray pipes and the filling agent, and the gas can be refluxed under the action of the return air pipe, thereby carrying out cyclic treatment, being beneficial to improving the spray absorption effect, impurities in the return fluid can be primarily filtered through the filter screen arranged at the bottom of the tower body, is beneficial to improving the cleaning degree of the reflux liquid.

Description

Spraying absorption tower based on vinyl chloroacetate recovery

Technical Field

The utility model relates to a spray absorption tower, in particular to spray absorption tower based on vinyl chloroacetate is retrieved belongs to spray absorption tower technical field.

Background

Vinyl chloroacetate is a colorless or yellowish transparent liquid, is dissolved in water and polar organic solvents, contains double bonds and active chlorine atoms in vinyl chloroacetate molecules, is mainly used for preparing raw materials of methacrylic fibers with good affinity to acid dyes, producing raw materials of high-heat-resistance water-based films, is used as a crosslinking monomer of high-molecular elastomers such as acrylate, ethylene and the like, and carries out emulsion polymerization on monomers with hydroxyl or carboxyl and methacrylate to prepare alkaline crosslinking emulsion, and is used as a raw material for preparing photosensitive resins, and is used as a raw material for adhesives, coatings and coloring agents, because the vinyl chloroacetate is doped in gas and discharged during recovery, the vinyl chloroacetate not only causes material waste, but also causes damage to the environment, and in order to relieve the condition, workers need to treat discharged gas in a spraying mode, however, the existing spray absorption tower can not only not carry out reflux treatment on waste gas, but also can not filter impurities in reflux liquid, thereby influencing the use effect of equipment.

The invention content is as follows:

the utility model aims at providing a spray absorption tower based on vinyl chloroacetate is retrieved in order to solve above-mentioned problem, solved the problem mentioned in the background art.

In order to solve the above problem, the utility model provides a technical scheme:

a spray absorption tower based on vinyl chloroacetate recovery comprises a tower body, a water pump, a filter screen, a baffling dehydrator and an air return pipe, wherein a first filler hopper is fixedly connected inside the tower body, a second filler hopper is fixedly connected inside the tower body and positioned right above the first filler hopper, the water pump is fixedly connected outside the tower body, a water pipe is fixedly connected at the output end of the water pump, spray pipes are fixedly connected inside the tower body and positioned above the first filler hopper and the second filler hopper, one ends of the two spray pipes penetrate through the tower body and are fixedly connected with the water pipe, the filter screen is fixedly connected inside the tower body and positioned right below the first filler hopper, a guide pipe is fixedly connected at the top of the tower body, a gas detector is fixedly connected at the top of the guide pipe, a three-way valve is fixedly connected at one end, far away from the tower body, of the guide pipe, and a air return pipe is fixedly connected outside the tower body and positioned between the first filler hopper and the second filler hopper, the top end of the air return pipe is fixedly connected with the bottom of the three-way valve, and the top of the three-way valve is provided with an exhaust pipe.

As an optimized scheme of the utility model, the outside one side that just is located first filler hopper and second filler hopper of tower body all is provided with the filler opening, first filler hopper all is equipped with the filler agent with second filler hopper inside.

As a preferred scheme of the utility model, the tower body is outside and be located and be equipped with the intake pipe between filter screen and the first hopper, the tower body is outside and the bottom that is located the filter screen is equipped with the back flow.

As an optimized scheme of the utility model, the tower body is outside and be located and be equipped with the access hole between filter screen and the first hopper.

As an optimized proposal of the utility model, the inside of the tower body is inlaid with visual glass.

As a preferred scheme of the utility model, the tower body is outside and be located one side fixedly connected with control panel of visual glass, water pump, gas detection ware and three-way valve all with control panel electric connection.

The utility model has the advantages that: compact structure, easy operation, the practicality is strong, can make clear water and gaseous abundant contact through the cooperation of shower with the filler, can be with gaseous backward flow under the effect of muffler moreover to carry out circulation treatment, be favorable to improving and spray absorptive effect, the filter screen that sets up through the tower body bottom can carry out the prefilter to the impurity in the backward flow liquid, is favorable to improving the clean degree of backward flow liquid.

Description of the drawings:

for ease of illustration, the invention is described in detail by the following detailed description and accompanying drawings.

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

fig. 2 is a schematic diagram of the internal structure of the present invention.

In the figure: 1. a tower body; 2. a first packing bucket; 3. a second packing bucket; 4. a filler agent; 5. an air inlet pipe; 6. a water pump; 7. a water pipe; 8. a shower pipe; 9. filtering with a screen; 10. a return pipe; 11. a baffling dehydrator; 12. a conduit; 13. a gas detector; 14. a three-way valve; 15. an air return pipe; 16. an exhaust pipe; 17. a filling opening; 18. an access hole; 19. a visible glass; 20. a control panel.

The specific implementation mode is as follows:

as shown in fig. 1-2, the following technical solutions are adopted in the present embodiment:

example (b):

a spray absorption tower based on vinyl chloroacetate recovery comprises a tower body 1, a water pump 6, a filter screen 9, a baffling dehydrator 11 and a return air pipe 15, wherein a first filler hopper 2 is fixedly connected inside the tower body 1, a second filler hopper 3 is fixedly connected inside the tower body 1 and positioned right above the first filler hopper 2, filler agents 4 with different specifications can be stored, so that the treatment effect on gas is improved, the water pump 6 is fixedly connected outside the tower body 1, the output end of the water pump 6 is fixedly connected with a water pipe 7, spray pipes 8 are fixedly connected inside the tower body 1 and positioned above the first filler hopper 2 and the second filler hopper 3, one ends of the two spray pipes 8 penetrate through the tower body 1 and are fixedly connected with the water pipe 7, clear water can be continuously input into the tower body 1, so that the clear water can adsorb the vinyl chloroacetate residual in the gas, the filter screen 9 is fixedly connected inside the tower body 1 and positioned right below the first filler hopper 2, can carry out the prefilter to the impurity in the backwash liquid, be favorable to improving the clean degree of backwash liquid, 1 top fixedly connected with pipe 12 of tower body, pipe 12 top fixedly connected with gas detector 13, pipe 12 keeps away from tower body 1's one end fixedly connected with three-

way valve

14, 1 outside fixedly connected with muffler 15 that just is located between first filler hopper 2 and the second filler hopper 3 of tower body, muffler 15's top and three-way valve 14's bottom fixed connection, can be with gaseous backward flow, thereby carry out circulation treatment, be favorable to improving and spray absorptive effect, three-way valve 14's top is provided with blast pipe 16, the convenience is with the gas outgoing after handling.

Further, the outside one side that just is located first filler hopper 2 and second filler hopper 3 of tower body 1 all is provided with filler opening 17, and first filler hopper 2 all is equipped with filler 4 with second filler hopper 3 is inside, can improve the effect to gas purification.

Further, tower body 1 is outside and be located and be equipped with intake pipe 5 between filter screen 9 and the first hopper 2, and the convenience is carried pending gas to tower body 1 inside, and tower body 1 is outside and the bottom that is located filter screen 9 is equipped with back flow 10, can concentrate chlorine-containing vinyl acetate liquid and collect to make things convenient for the staff to manage.

Further, tower body 1 is outside and be located and be equipped with access hole 18 between filter screen 9 and the first hopper 2, conveniently cleans filter screen 9 to ensure filter screen 9's filtration efficiency.

Further, tower body 1 is inside to be inlayed and to have visual glass 19, makes things convenient for the staff to look over the inside condition of tower body 1 to in time handle.

Further, the outside one side fixedly connected with control panel 20 that just is located visual glass 19 of tower body 1, water pump 6, gas detection ware 13 and three-way valve 14 all with control panel 20 electric connection, can carry out centralized control to equipment to make things convenient for the staff to operate.

Specifically, when the device is used, a worker starts the device through the control panel 20, the water pump 6 starts to work, clean water can be continuously sprayed on the filler agents 4 on the first filler hopper 2 and the second filler hopper 3 under the matching of the water pipe 7 and the spray pipe 8, chlorine-containing vinyl acetate-containing waste gas is conveyed into the tower body 1 through the air inlet pipe 5, the waste gas rises in the tower body 1, when the waste gas passes through the first filler hopper 2 and the second filler hopper 3, the chlorine-containing vinyl acetate is absorbed by the filler agents 4 and the clean water in the waste gas, the clean water absorbing the vinyl chloroacetate flows to the bottom of the tower body 1 under the action of gravity, the vinyl chloroacetate is discharged out of the tower body 1 through the return pipe 10 after being filtered by the filter screen 9, the gas in the tower body 1 continues to rise, and when the water passes through the baffling dehydrator 11, the water in the water is removed, then discharge through pipe 12, gas detector 13 on pipe 12 detects gaseous residual content at this moment, when remaining less than the setting value, three-way valve 14 is in the connected state with blast pipe 16 and pipe 12, waste gas discharges this moment, when waste gas remains and is greater than the setting value, three-way valve 14 is with muffler 15 and pipe 12 intercommunication, gas is carried to second filler hopper 3 bottom through muffler 15 this moment and is carried out secondary treatment, can look over the tower body 1 inside through visual glass 19, can change filler 4 through filler 17, can clear up filter screen 9 through access hole 18, thereby keep the filter effect of filter screen 9.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, 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, 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.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate medium, and may be used for communicating the inside of two elements or for interacting with each other, unless otherwise specifically defined, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to the specific circumstances.

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. A spray absorption tower based on vinyl chloroacetate recovery is characterized by comprising a tower body (1), a water pump (6), a filter screen (9), a baffling dehydrator (11) and a muffler (15), wherein a first filler hopper (2) is fixedly connected inside the tower body (1), a second filler hopper (3) is fixedly connected inside the tower body (1) and positioned right above the first filler hopper (2), the water pump (6) is fixedly connected outside the tower body (1), the output end of the water pump (6) is fixedly connected with a water pipe (7), spray pipes (8) are fixedly connected inside the tower body (1) and positioned above the first filler hopper (2) and the second filler hopper (3), one ends of the two spray pipes (8) penetrate through the tower body (1) and are fixedly connected with the water pipe (7), the filter screen (9) is fixedly connected inside the tower body (1) and positioned right below the first filler hopper (2), the tower body (1) top fixedly connected with pipe (12), pipe (12) top fixedly connected with gas detector (13), the one end fixedly connected with three-way valve (14) of tower body (1) are kept away from in pipe (12), tower body (1) outside just is located fixedly connected with muffler (15) between first hopper (2) and second hopper (3), the top of muffler (15) and the bottom fixed connection of three-way valve (14), the top of three-way valve (14) is provided with blast pipe (16).

2. The spray absorption tower based on vinyl chloroacetate recovery of claim 1, characterized in that the tower body (1) is provided with a filler port (17) at one side of each of the first filler hopper (2) and the second filler hopper (3), and the first filler hopper (2) and the second filler hopper (3) are provided with a filler (4) inside.

3. The spray absorption tower based on vinyl chloroacetate recovery of claim 1, characterized in that an air inlet pipe (5) is provided outside the tower body (1) and between the filter screen (9) and the first filler hopper (2), and a return pipe (10) is provided outside the tower body (1) and at the bottom of the filter screen (9).

4. The spray absorption tower based on vinyl chloroacetate recovery according to claim 1, characterized in that a service opening (18) is provided outside said tower body (1) and between said screen (9) and said first hopper (2).

5. The spray absorption tower based on vinyl chloroacetate recovery of claim 1, characterized in that the tower body (1) is inlaid with a visible glass (19) inside.

6. The spray absorption tower based on vinyl chloroacetate recovery of claim 5, characterized in that a control panel (20) is fixedly connected to one side of the visible glass (19) outside the tower body (1), and the water pump (6), the gas detector (13) and the three-way valve (14) are electrically connected to the control panel (20).