Tail gas treatment device of incinerator

Abstract

The utility model relates to the technical field of tail gas treatment, and discloses a tail gas treatment device of an incinerator, which comprises a tower body, a dispersing plate is mounted in the tower body, a tripod is fixedly connected to the inner wall of the tower body, a suspender is connected to the lower surface of the tripod through a bolt, and a vortex-shaped spraying rod is fixedly connected to the bottom end of the suspender. One end of the vortex-shaped spraying rod is closed, the other end of the vortex-shaped spraying rod is connected with a flow dividing pipe, and one end of the flow dividing pipe is fixedly connected with a conveying header pipe. Tail gas flows upwards to the dispersing plate after entering the tower body from the tail gas inlet pipe, honeycomb holes in the top of the dispersing plate can uniformly disperse the tail gas, the tail gas is prevented from flowing in a certain area in a concentrated mode, meanwhile, the pump body pumps liquid medicine in the medicine adding box, and the liquid medicine enters the vortex-shaped spraying rod through the conveying header pipe and the flow dividing pipe; harmful substances such as sulfur dioxide and other acid gases in the tail gas are subjected to neutralization reaction, so that the tail gas treatment effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tail gas treatment technical field, concretely is tail gas treatment device of incinerator. BACKGROUND

[0002] Incinerator is a kind of equipment commonly used to handle various wastes, and waste is converted into ash and gaseous products by high-temperature combustion. However, a large amount of tail gas is generated during incineration, and these tail gases contain a variety of harmful substances, such as sulfur dioxide. If these tail gases are directly discharged into the atmosphere without treatment, they will cause serious pollution to the environment, so tail gas treatment device needs to be used for treatment.

[0003] According to the search, Chinese patent document, the publication number CN222266650U discloses a tail gas treatment device of incinerator. In use, the tail gas enters from the inlet pipe, is heat-exchanged through two gas distribution heat exchange elements, and continues to rise inside the lower tank body after gas distribution, contacts the activated carbon (honeycomb activated carbon column) through the support plate and the circular-truncated-cone-shaped bottom, and is adsorbed by the activated carbon, and then discharged from the exhaust pipe.

[0004] However, the above-mentioned tail gas treatment device only adsorbs impurities in tail gas by contacting tail gas with activated carbon, so such treatment can only treat organic pollutants in tail gas, so that the treatment of tail gas is not thorough. UTILITY MODEL CONTENT

[0005] (I) Technical problem solved

[0006] In view of the deficiencies of the prior art, the utility model provides a tail gas treatment device of incinerator, which has the advantages of fully and thoroughly treating the tail gas of incinerator, and solves the above technical problems.

[0007] (II) Technical scheme

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a tail gas treatment device of incinerator, comprising a tower body, a dispersion plate is installed in the inside of the tower body, and a tripod is fixedly connected on the inner wall of the tower body, a suspension rod is connected on the lower surface of the tripod through bolts, a vortex-shaped spray rod is fixedly connected on the bottom end of the suspension rod, one end of the vortex-shaped spray rod is closed, and the other end of the vortex-shaped spray rod is connected with a shunt pipe, one end of the shunt pipe is fixedly connected with a conveying main pipe, one end of the conveying main pipe is connected with a pump body, the suction end of the pump body is connected with a liquid suction tube, a top cover is installed on the top of the tower body, a bend pipe is fixedly connected on the top of the top cover, a secondary treatment pipe is connected on the bottom end of the bend pipe through flanges, a treatment box is connected on one end of the secondary treatment pipe, activated carbon plates and molecular sieve plates are arranged in the inside of the treatment box, and a tail gas discharge pipe is fixedly connected on the outer wall of the treatment box.

[0009] Preferably, the outer surface of the tower body is fixedly connected with a tail gas inlet pipe near the bottom end, and the bottom of the tower body is installed with a base.

[0010] Preferably, the top of the dispersion plate is provided with a plurality of honeycomb holes, and the dispersion plate is located below the vortex-shaped spraying rod.

[0011] Preferably, the bottom of the pump body is connected with a dosing tank, and the inside of the dosing tank is connected with a pipette.

[0012] Preferably, the outer surface of the dosing tank is fixedly connected with a reflux pipe, one end of the reflux pipe is connected with a liquid return pipe, and one end of the liquid return pipe is located in the inside of the tower body.

[0013] Preferably, the front of the treatment box is installed with a sealing door, a plurality of lattice strips are fixedly connected to the inner wall of the treatment box, and the inner wall of the treatment box is also installed with a dispersion plate.

[0014] Compared with the prior art, the tail gas treatment device of the incinerator has the following beneficial effects:

[0015] 1. The dispersion plate and the vortex-shaped spraying rod are designed, so that the tail gas treatment effect is effectively improved. After the tail gas enters the tower body from the tail gas inlet pipe, the tail gas flows upwards to the dispersion plate. The honeycomb holes at the top of the dispersion plate can uniformly disperse the tail gas, so that the tail gas does not flow in a certain area. At the same time, the pump body extracts the liquid medicine in the dosing tank, and the liquid medicine enters the vortex-shaped spraying rod through the delivery main pipe and the shunt pipe. Due to the special vortex-shaped design, the liquid medicine covers a large area when sprayed, so that the liquid medicine fully contacts with the tail gas in the form of mist, and neutralization reaction is performed on harmful substances such as sulfur dioxide and other acidic gases in the tail gas, so that the tail gas treatment effect is improved.

[0016] 2. The liquid return pipe and the reflux pipe return to the dosing tank, so that the liquid medicine is fully utilized and waste is avoided. After the tail gas is preliminarily treated, the tail gas enters the treatment box, first passes through the dispersion plate in the treatment box, so that the tail gas fully contacts with the activated carbon plate, adsorbs organic pollutants, and then selectively adsorbs specific small molecule gases such as carbon dioxide and water vapor through the molecular sieve plate, so that the tail gas is further purified. Finally, the purified tail gas is discharged from the tail gas discharge pipe, so that deep purification of the tail gas is realized. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic view of the structure of the utility model;

[0018] Figure 2 It is a front view schematic view of the structure of the utility model;

[0019] Figure 3 It is a sectional view schematic view of the tower body of the structure of the utility model;

[0020] Figure 4 It is the three-dimensional schematic view of the vortex-shaped spraying rod, the triangular frame and the dispersion plate in the structure of the utility model;

[0021] Figure 5 It is the sectional view schematic view of the processing box in the structure of the utility model.

[0022] Among them: 1, tower body; 2, dispersion plate; 3, triangular frame; 4, boom; 5, vortex-shaped spraying rod; 6, shunt pipe; 7, conveying main pipe; 8, pump body; 9, liquid suction pipe; 10, top cover; 11, elbow; 12, secondary processing pipe; 13, processing box; 14, activated carbon plate; 15, molecular sieve plate; 16, tail gas inlet pipe; 17, base; 18, dosing tank; 19, return pipe; 20, reverse liquid pipe; 21, tail gas discharge pipe; 22, sealing door; 23, lattice strip. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1-5 A tail gas treatment device of an incinerator, including tower body 1, the inside installation of tower body 1 has dispersion plate 2, and the inner wall of tower body 1 is fixedly connected with triangular frame 3, the lower surface of triangular frame 3 is connected with boom 4 by bolt, the bottom end of boom 4 is fixedly connected with vortex-shaped spraying rod 5, one end of vortex-shaped spraying rod 5 is closed, and the other end of vortex-shaped spraying rod 5 is connected with shunt pipe 6, one end of shunt pipe 6 is fixedly connected with conveying main pipe 7, one end of conveying main pipe 7 is connected with pump body 8, the suction end of pump body 8 is connected with liquid suction pipe 9, the top of tower body 1 is installed with top cover 10, the top of top cover 10 is fixedly connected with elbow 11, the bottom end of elbow 11 is connected with secondary processing pipe 12 by flange, one end of secondary processing pipe 12 is connected with processing box 13, activated carbon plate 14 and molecular sieve plate 15 are arranged in processing box 13, and tail gas discharge pipe 21 is fixedly connected on the outer wall of processing box 13.

[0025] Specifically, tail gas inlet pipe 16 is fixedly connected to the outer surface of tower body 1 near the bottom end, base 17 is installed at the bottom of tower body 1, a plurality of honeycomb holes are formed in the top of dispersion plate 2, dispersion plate 2 is located below vortex-shaped spraying rod 5, pump body 8 is connected with dosing tank 18 at the bottom, and dosing tank 18 is connected with liquid suction pipe 9 inside.

[0026] The tail gas enters the tail gas pipe 16 of the incinerator, and the tail gas generated by the incinerator is discharged into the tower body 1, and then the tail gas rises to contact the dispersion plate 2. The dispersion plate 2 is provided with a plurality of honeycomb holes at the top. When the tail gas enters the tower body from the tail gas inlet pipe 16 near the bottom of the outer surface of the tower body 1, it flows upward to the dispersion plate 2. The design of the honeycomb hole can uniformly disperse the rising tail gas, avoid the tail gas flowing in a certain area, make the tail gas contact the treatment liquid sprayed from the vortex spray rod 5 more fully, thereby improving the tail gas treatment effect. The pump body 8 is started to cooperate with the liquid suction pipe 9 to draw the liquid medicine stored in the liquid medicine tank 18, and then discharged from the delivery main pipe 7 into the two shunt pipes 6. The shunt pipe 6 delivers the liquid medicine to the vortex spray rod 5. The vortex spray rod 5 is provided with a plurality of spray holes on the outer surface for spraying liquid medicine. Due to the special shape of the vortex, the liquid medicine forms a large coverage area when sprayed, and is sprayed downward in the form of mist. The sprayed liquid medicine fully contacts the tail gas and preliminarily treats harmful substances in the tail gas, such as neutralization reaction with sulfur dioxide and other acidic gases.

[0027] Specifically, the outer surface of the liquid medicine tank 18 is fixedly connected with a return pipe 19, one end of the return pipe 19 is connected with a liquid return pipe 20, and one end of the liquid return pipe 20 is located in the inside of the tower body 1.

[0028] Advantages are that the liquid medicine that does not participate in the reaction after the liquid medicine is sprayed and reacts with the tail gas falls into the bottom of the tower body 1 and is then discharged from the liquid return pipe 20 to the return pipe 19 and finally returns to the liquid medicine tank 18. In this way, the liquid medicine can be fully utilized and will not be wasted.

[0029] Specifically, the front of the treatment tank 13 is provided with a sealing door 22, and a plurality of grid bars 23 are fixedly connected to the inner wall of the treatment tank 13. The inner wall of the treatment tank 13 is also provided with a dispersion plate 2.

[0030] Advantages are that the tail gas is discharged from the elbow pipe 11 at the top of the top cover 10 after two spraying treatments in the inside of the tower body 1, and then enters the inside of the treatment tank 13. After passing through a dispersion plate 2 in the inside of the treatment tank 13, the gas fully contacts the activated carbon plate 14 to adsorb organic pollutants in the tail gas, and then passes through a plurality of molecular sieve plates 15. For incinerator tail gas, the molecular sieve plate 15 can selectively adsorb specific small molecule gases such as carbon dioxide and water vapor, separate them from the tail gas, and further purify the tail gas. Finally, the purified tail gas is discharged from the tail gas discharge pipe 21.

[0031] In use, the tail gas inlet pipe 16 is connected to the tail gas pipe of the incinerator, so that the tail gas generated by the incinerator is discharged into the tower body 1; then the tail gas rises to contact the dispersion plate 2, which evenly disperses the tail gas through the honeycomb holes; by starting the pump body 8, the liquid medicine in the dosing tank 18 is drawn through the suction tube 9, enters the vortex spray rod 5 through the delivery main pipe 7 and the shunt pipe 6, and is sprayed downward in the form of mist, fully contacts the tail gas, and preliminarily treats the harmful substances in the tail gas; the liquid medicine not involved in the reaction falls into the bottom of the tower body 1, flows back to the dosing tank 18 through the return liquid pipe 20 and the reflux pipe 19; the tail gas is discharged from the elbow pipe 11 at the top of the top cover 10 after being treated by two spraying processes, enters the secondary treatment pipe 12, and then enters the treatment tank 13; the tail gas contacts the activated carbon plate 14 after passing through the dispersion plate 2 inside the treatment tank 13, adsorbs the organic pollutants in the tail gas, and then passes through the molecular sieve plate 15, selectively adsorbs specific small molecule gases such as carbon dioxide and water vapor, and further purifies the tail gas; the finally purified tail gas is discharged from the tail gas discharge pipe 21.

[0032] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An apparatus for treating exhaust gases from an incinerator comprising a tower (1) characterised in that: The inside of the tower body (1) is provided with a dispersion plate (2), and the inner wall of the tower body (1) is fixedly connected with a tripod (3), the lower surface of the tripod (3) is connected with a boom (4) through bolts, the bottom end of the boom (4) is fixedly connected with a vortex spray rod (5), one end of the vortex spray rod (5) is closed, and the other end of the vortex spray rod (5) is connected with a shunt pipe (6), one end of the shunt pipe (6) is fixedly connected with a conveying main pipe (7), one end of the conveying main pipe (7) is connected with a pump body (8), the suction end of the pump body (8) is connected with a liquid suction pipe (9), the top of the tower body (1) is provided with a top cover (10), the top of the top cover (10) is fixedly connected with an elbow pipe (11), the bottom end of the elbow pipe (11) is connected with a secondary treatment pipe (12) through a flange, one end of the secondary treatment pipe (12) is connected with a treatment box (13), the inside of the treatment box (13) is provided with an activated carbon plate (14) and a molecular sieve plate (15), and the outer wall of the treatment box (13) is fixedly connected with a tail gas discharge pipe (21).

2. An incinerator off-gas treatment apparatus according to claim 1, characterized by: The outer surface of the tower body (1) is fixedly connected with a tail gas inlet pipe (16) near the bottom end, and the bottom of the tower body (1) is provided with a base (17).

3. An incinerator off-gas treatment apparatus according to claim 1, characterized by: The top of the dispersion plate (2) is provided with a plurality of honeycomb holes, and the dispersion plate (2) is located below the vortex spray rod (5).

4. An incinerator off-gas treatment apparatus according to claim 1, characterized by: The bottom of the pump body (8) is connected with a dosing tank (18), and the inside of the dosing tank (18) is connected with a liquid suction pipe (9).

5. An incinerator off-gas treatment apparatus according to claim 4, wherein: The outer surface of the dosing tank (18) is fixedly connected with a reflux pipe (19), one end of the reflux pipe (19) is connected with a reverse liquid pipe (20), and one end of the reverse liquid pipe (20) is located in the inside of the tower body (1).

6. An incinerator off-gas treatment apparatus according to claim 1, characterized by: The front of the treatment box (13) is provided with a sealing door (22), and the inner wall of the treatment box (13) is fixedly connected with a plurality of lattice strips (23), and the inner wall of the treatment box (13) is also provided with a dispersion plate (2).

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