CN216303736U

CN216303736U - Tail gas processing apparatus for chemical production

Info

Publication number: CN216303736U
Application number: CN202121954549.6U
Authority: CN
Inventors: 吴奇
Original assignee: Individual
Current assignee: Karamay Sutong Fine Chemical Co ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-04-15
Anticipated expiration: 2031-08-19

Abstract

The utility model discloses a tail gas treatment device for chemical production, and relates to the technical field of chemical tail gas treatment. According to the utility model, methane gas completely burns to generate a large amount of carbon dioxide after flowing into the combustion box, the fan sucks the carbon dioxide into the lime water through the vent pipe and the U-shaped pipe, the lime water can absorb the carbon dioxide to generate precipitate, and then the end cover of the discharge pipe at the bottom of the precipitation box is opened to discharge the lime water containing the precipitate, so that the effect of removing the carbon dioxide is achieved, and the problem of excessive discharge of the carbon dioxide is solved.

Description

Tail gas processing apparatus for chemical production

Technical Field

The utility model relates to the technical field of chemical tail gas treatment, in particular to a tail gas treatment device for chemical production.

Background

Along with the development of chemical industry in China, more and more chemical plants and larger scale are adopted, so that the emission of tail gas is greatly increased, the chemical tail gas generated by the chemical industry is generally toxic gas, the living environment of people is greatly polluted, and the healthy life of people is greatly influenced.

However, when the existing chemical tail gas treatment device is used, a large amount of dust contained in tail gas such as methane is not treated, and is easily accumulated in the device to cause blockage, and the methane tail gas can produce a large amount of carbon dioxide and water after complete combustion, so that the problem of global warming and the like is easily aggravated by direct large-amount emission of carbon dioxide.

Disclosure of Invention

The utility model aims to: in order to solve the problems that the existing chemical tail gas treatment device is easily blocked by dust and carbon dioxide is excessively discharged, the tail gas treatment device for chemical production is provided.

In order to achieve the purpose, the utility model provides the following technical scheme: a tail gas treatment device for chemical production comprises a filter box, wherein one side of the outer wall of the filter box is connected with an air inlet pipe, the inner wall of the filter box is provided with a fixed block, the top end of the fixed block is fixedly provided with a filter screen, the inner wall of the fixed block is fixedly provided with a fixed pin, one side of the inner wall of the fixed block is connected with a spring, one side of the spring is connected with a top bead, the bottom end of the inner wall of the filter box is provided with a water pool, the top end of the filter box is provided with a water pump, the output end of the water pump is connected with a spray plate, the input end of the water pump is connected with a liquid conveying pipe, one side of the filter box, which is far away from the air inlet pipe, is connected with a combustion box, one side of the combustion box is connected with a settling box, the inner wall of the settling box is connected with a fan, the input end of the fan is connected with a vent pipe, the output end of the fan is connected with a U-shaped pipe, and the bottom end of the inner wall of the settling box is provided with lime water, one side of settling tank outer wall is connected with the inlet pipe, the bottom of settling tank outer wall is connected with the discharging pipe, the bottom of pond inner wall is provided with the bottom plate, and has placed on the top of bottom plate and has crossed the filter pulp.

Preferably, the water tank is connected with the water pump through a liquid conveying pipe, and the output end of the water pump is provided with a communicating pipe connected with the spraying plate.

Preferably, the vent pipe is connected with the U-shaped pipe through a fan, and the bottom end of the U-shaped pipe extends to the inside of the lime water.

Preferably, the bottom of spraying the board is provided with a plurality of shower nozzles, and a plurality of shower nozzles equidistance distribute in the bottom of spraying the board.

Preferably, the structure of bottom plate is the swash plate, and the bottom outer wall of crossing the filter pulp agrees with the top outer wall of bottom plate.

Preferably, the outer wall of fixed pin is provided with the recess that matches with the top pearl, and the top pearl passes through the inner wall connection of spring and fixed block.

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

1. according to the utility model, methane gas enters the filter box through the gas inlet pipe, the filter screen is made of activated carbon, solid particles carried by the methane gas can be adsorbed, meanwhile, water in the water tank is transported to the spray plate through the liquid transport pipe and the water pump, the spray plate uniformly sprays water to the methane gas for absorbing harmful gas dissolved in the methane gas, the water can drive the solid particles to flow to the water tank, the outer wall of the top end of the water tank is provided with the bottom plate, the water with the solid particles flows to the filter cotton, the filter cotton adsorbs the solid particles in the water tank, and the filter cotton placed in the water tank is replaced, so that the effect of removing the solid particles in the methane gas can be achieved, and the problem that the device is easily blocked by dust is solved;

2. according to the utility model, methane gas completely burns to generate a large amount of carbon dioxide after flowing into the combustion box, the fan sucks the carbon dioxide into the lime water through the vent pipe and the U-shaped pipe, the lime water can absorb the carbon dioxide to generate precipitate, and then the end cover of the discharge pipe at the bottom of the precipitation box is opened to discharge the lime water containing the precipitate, so that the effect of removing the carbon dioxide is achieved, and the problem of excessive discharge of the carbon dioxide is solved.

Drawings

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

FIG. 2 is a view of the interior of the pool of the present invention;

FIG. 3 is an enlarged view of FIG. 1A of the present invention.

In the figure: 1. a filter box; 2. an air inlet pipe; 3. a fixed block; 4. a filter screen; 5. a fixing pin; 6. a spring; 7. a top bead; 8. a pool; 9. a water pump; 10. a spray plate; 11. a transfusion tube; 12. a combustion box; 13. a settling tank; 14. a fan; 15. a breather pipe; 16. a U-shaped tube; 17. lime water; 18. a feed pipe; 19. a discharge pipe; 20. a base plate; 21. and (5) filtering cotton.

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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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. The following describes an embodiment of the present invention based on its overall structure.

The fan (DHBFG) and the water pump (GD 40-30) mentioned in the utility model can be obtained by market or private ordering.

Referring to fig. 1-3, a tail gas treatment device for chemical production comprises a filter box 1, an air inlet pipe 2 is connected to one side of the outer wall of the filter box 1, a fixed block 3 is installed on the inner wall of the filter box 1, a filter screen 4 is fixed to the top end of the fixed block 3, a fixed pin 5 is fixed to the inner wall of the fixed block 3, a spring 6 is connected to one side of the inner wall of the fixed block 3, a top bead 7 is connected to one side of the spring 6, a water tank 8 is arranged at the bottom end of the inner wall of the filter box 1, a water pump 9 is installed at the top end of the filter box 1, the output end of the water pump 9 is connected with a spray plate 10, an input end of the water pump 9 is connected with a liquid conveying pipe 11, a combustion box 12 is connected to one side of the filter box 1 away from the air inlet pipe 2, a sedimentation box 13 is connected to one side of the combustion box 12, a fan 14 is connected to the inner wall of the sedimentation box 13, an input end of the fan 14 is connected with a vent pipe 15, an output end of the fan 14 is connected with a U-shaped pipe 16, the bottom of settling tank 13 inner wall is provided with lime wash 17, and one side of settling tank 13 outer wall is connected with inlet pipe 18, and the bottom of settling tank 13 outer wall is connected with discharging pipe 19, and the bottom of pond 8 inner wall is provided with bottom plate 20, and has placed filter pulp 21 on the top of bottom plate 20.

Referring to fig. 1, the water tank 8 is connected to the water pump 9 through a liquid pipe 11, and a communicating pipe connected to the shower plate 10 is provided at an output end of the water pump 9, so that water in the water tank 8 can be transported to the shower plate 10 through the liquid pipe 11 and the water pump 9.

Referring to fig. 1, the vent pipe 15 is connected to the U-shaped pipe 16 through the fan 14, and the bottom end of the U-shaped pipe 16 extends to the inside of the lime water 17, so that the fan 14 draws carbon dioxide generated by the complete combustion of methane in the combustion tank 12 to the inside of the lime water 17.

Please refer to fig. 1, the bottom end of the spraying plate 10 is provided with a plurality of nozzles, and the plurality of nozzles are equidistantly distributed at the bottom end of the spraying plate 10, so that the spraying plate 10 can uniformly spray water to the methane gas for absorbing the harmful gas dissolved in water in the methane gas.

Please refer to fig. 2, the bottom plate 20 is an inclined plate, and the outer wall of the bottom end of the filter cotton 21 is matched with the outer wall of the top end of the bottom plate 20, so that the water with impurities flows to the filter cotton 21, and the filter cotton 21 absorbs the impurities therein.

Please refer to fig. 3, the outer wall of the fixing pin 5 is provided with a groove matching with the top bead 7, and the top bead 7 is connected with the inner wall of the fixing block 3 through the spring 6, so that the fixing pin 5 can be inserted into the inner wall of the fixing block 3, and the filter screen 4 is fixed on the inner wall of the filter box 1.

The working principle is as follows: firstly, when the tail gas treatment device is used, a power supply is switched on, methane gas enters a filter box 1 through an air inlet pipe 2, a filter screen 4 is made of active carbon and can adsorb solid particles carried by the methane gas, meanwhile, water in a water tank 8 is transported to a spray plate 10 through a liquid transport pipe 11 and a water pump 9, the spray plate 10 uniformly sprays water to the methane gas and is used for absorbing harmful gas dissolved in the methane gas and driving the solid particles to flow to the water tank 8, the water tank 8 is provided with a bottom plate 20, the outer wall of the top end of the bottom plate 20 is an inclined plane, the water with the solid particles flows to a filter cotton 21, the filter cotton 21 adsorbs the solid particles in the filter cotton, the effect of removing the solid particles in the methane gas can be achieved by replacing the filter cotton 21 placed in the water tank 8, and when the effect of the filter screen 4 is weakened, the fixing pin 5 is pulled out to detach the filter screen 4 from the top end of a fixing block 3, the new filter screen 4 is replaced, the fixing pin 5 is inserted into the fixing block 3 again, the elastic force generated by contraction of the spring 6 drives the ejector beads 7 to be combined with the groove of the outer wall of the fixing pin 5 and to be ejected tightly, the filter screen 4 is installed at the top end of the fixing block 3, the filter screen 4 is convenient to replace, methane gas is completely combusted after flowing into the combustion box 12 to generate a large amount of carbon dioxide, the fan 14 attracts the carbon dioxide to the inside of the lime water 17 through the vent pipe 15 and the U-shaped pipe 16, the lime water 17 can absorb the carbon dioxide to generate sediment, then the end cover of the discharge pipe 19 at the bottom of the sedimentation box 13 is opened, the lime water 17 containing the sediment is discharged, the effect of removing the carbon dioxide is achieved, then the end cover of the feed pipe 19 is screwed up, the end cover of the feed pipe 18 is opened, and the new lime water 17 is replaced.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 tail gas processing apparatus for chemical production, includes rose box (1), its characterized in that: one side of the outer wall of the filter box (1) is connected with an air inlet pipe (2), a fixing block (3) is installed on the inner wall of the filter box (1), a filter screen (4) is fixed on the top end of the fixing block (3), a fixing pin (5) is fixed on the inner wall of the fixing block (3), a spring (6) is connected on one side of the inner wall of the fixing block (3), a top bead (7) is connected on one side of the spring (6), a water pool (8) is arranged at the bottom end of the inner wall of the filter box (1), a water pump (9) is installed on the top end of the filter box (1), the output end of the water pump (9) is connected with a spray plate (10), the input end of the water pump (9) is connected with a liquid conveying pipe (11), one side, far away from the air inlet pipe (2), of the filter box (1) is connected with a combustion box (12), one side of the combustion box (12) is connected with a precipitation box (13), and the inner wall of the precipitation box (13) is connected with a fan (14), and the input of fan (14) is connected with breather pipe (15), the output of fan (14) is connected with U-shaped pipe (16), the bottom of setting tank (13) inner wall is provided with lime wash (17), one side of setting tank (13) outer wall is connected with inlet pipe (18), the bottom of setting tank (13) outer wall is connected with discharging pipe (19), the bottom of pond (8) inner wall is provided with bottom plate (20), and has placed filter pulp (21) on the top of bottom plate (20).

2. The tail gas treatment device for chemical production according to claim 1, characterized in that: the water tank (8) is connected with the water pump (9) through a liquid conveying pipe (11), and the output end of the water pump (9) is provided with a communicating pipe connected with the spraying plate (10).

3. The tail gas treatment device for chemical production according to claim 1, characterized in that: the vent pipe (15) is connected with the U-shaped pipe (16) through the fan (14), and the bottom end of the U-shaped pipe (16) extends to the inside of the lime water (17).

4. The tail gas treatment device for chemical production according to claim 1, characterized in that: the bottom of spraying board (10) is provided with a plurality of shower nozzles, and a plurality of shower nozzles equidistance distribute in the bottom of spraying board (10).

5. The tail gas treatment device for chemical production according to claim 1, characterized in that: the structure of the bottom plate (20) is an inclined plate, and the outer wall of the bottom end of the filter cotton (21) is matched with the outer wall of the top end of the bottom plate (20).

6. The tail gas treatment device for chemical production according to claim 1, characterized in that: the outer wall of fixed pin (5) is provided with the recess that matches with top pearl (7), and pushes up the inner wall connection of pearl (7) through spring (6) and fixed block (3).