CN213078006U

CN213078006U - Waste incineration tail gas treatment device

Info

Publication number: CN213078006U
Application number: CN202021802708.6U
Authority: CN
Inventors: 能士峰; 刘庆岭; 昝文安; 闫志海; 葛砚
Original assignee: Tianjin Bohai Environmental Protection Engineering Co ltd; Tianjin Teda Environmental Protection Co ltd; Tianjin University
Current assignee: Tianjin Bohai Environmental Protection Engineering Co ltd; Tianjin Teda Environmental Protection Co ltd; Tianjin University
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-04-30
Anticipated expiration: 2030-08-26

Abstract

The utility model relates to a waste incineration tail gas processing apparatus, including tower body one that is used for detaching acid gas, tower body two, the dust remover that is used for the denitration, tower body one-side lower part has set firmly air inlet one, tower body one top has set firmly the inlet, tower body one interior top be equipped with the hydrojet mechanism that the inlet is connected, just a tower body inner wall lower part slides and is equipped with the flume that connects, tower body one with be connected with adsorption apparatus between the tower body two, two inside denitration mechanisms that are equipped with of tower body, tower body two is kept away from air inlet one-side bottom has set firmly the blast pipe, the import of dust remover with the exit linkage of blast pipe, just ann has the draught fan in the export of dust remover, the draught fan front end is equipped with the dust screen. The utility model discloses the tail gas that produces when being convenient for rationally handle msw incineration, and tail gas clean-up is effectual.

Description

Waste incineration tail gas treatment device

Technical Field

The utility model relates to a tail gas treatment field especially relates to a waste incineration tail gas processing apparatus.

Background

The waste incineration is to completely oxidize and decompose organic matters in the waste by using high temperature, so that the final disposal quantity of the waste can be reduced to the greatest extent, and the reduction is achieved. Bacteria and viruses in the garbage are thoroughly eliminated, and foul smell is decomposed at high temperature, so that the garbage can be harmlessly treated at the highest speed. However, many harmful gas components such as smoke, acid gases such as HCL, SOX, HF, etc., NOX, heavy metals, etc. are generated during the incineration of garbage. Therefore, a device which is convenient for reasonably treating the tail gas generated in the process of burning the garbage is necessary.

Disclosure of Invention

The utility model aims at solving the above problems and providing a waste incineration tail gas treatment device.

The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: the utility model provides a waste incineration tail gas processing apparatus, includes tower body one, tower body two, the dust remover that is used for the denitration that is used for detaching acid gas, its characterized in that, tower body one-side lower part has set firmly air inlet one, tower body one top has set firmly the inlet, tower body one interior top be equipped with the hydrojet mechanism that the inlet is connected, just a tower body inner wall lower part slides and is equipped with and connects the cistern, tower body one with be connected with adsorption apparatus between the tower body two, two inside denitration mechanisms that are equipped with of tower body, tower body two is kept away from air inlet one-side bottom has set firmly the blast pipe, the import of dust remover with the exit linkage of blast pipe, just ann has the draught fan in the export of dust remover, the draught fan front end is equipped with the dust screen.

It is unusual, hydrojet mechanism includes flourishing liquid box, flourishing liquid pipe, a plurality of atomizer, flourishing liquid box sets firmly top in the tower body, the vertical rigid coupling of flourishing liquid pipe is in flourishing liquid box bottom center, just flourishing liquid box with flourishing liquid pipe intercommunication, the inlet with flourishing liquid box intercommunication, it is a plurality of atomizer is installed flourishing liquid box bottom with on the flourishing liquid pipe lateral wall.

Particularly, slots are correspondingly and fixedly arranged on the lower portions of the inner walls of one two sides of the tower body, two side edges of the top of the liquid receiving groove are slidably inserted into the slots, and the lower portion of the front side of the tower body is hinged with a sealing door corresponding to the liquid receiving groove.

The adsorption mechanism comprises a box body, an air inlet pipe, an air outlet pipe, a lime powder adsorption layer and an active carbon adsorption layer, wherein the air inlet pipe and the air outlet pipe are respectively fixedly arranged at the centers of two sides of the box body, an inlet of the air inlet pipe is fixedly arranged at the upper part of one side of the air inlet, the first tower body is far away from the upper part of one side of the air inlet, an outlet of the air outlet pipe is fixedly arranged at the upper part of the second tower body, which is close to the upper part of one side of the air inlet, the lime powder adsorption layer and the active carbon adsorption.

The denitration mechanism comprises a second air inlet for introducing ammonia serving as a reducing agent, a diversion mechanism and a catalyst layer, wherein the second air inlet is fixedly arranged at the center of the top of the second tower body, a diversion cover communicated with the second air inlet is fixedly arranged at the top of the second tower body, the diversion mechanism is horizontally and fixedly connected to the upper portions of the two inner walls of the second tower body, the diversion mechanism is located below the air outlet pipe, and the catalyst layer is fixedly connected to the lower portions of the two inner walls of the second tower body.

Particularly, the flow guide mechanism comprises an upper layer of frame and a lower layer of frame, and a plurality of flow guide blades which are fixedly arranged in the frames side by side, the flow guide blades are obliquely arranged, and the flow guide blades in the upper layer of frame and the flow guide blades in the lower layer of frame are vertically and alternately arranged.

Particularly, the catalyst layer comprises a corrugated catalyst layer, a honeycomb catalyst layer and a corrugated catalyst layer from top to bottom in sequence, and the catalyst layer is provided with a soot blower.

The utility model has the advantages that: the utility model discloses a set up tower body one, hydrojet mechanism, box, adsorption apparatus constructs, tower body two, denitration mechanism, dust remover for the tail gas that produces after the msw incineration is convenient for rational processing, and the thick liquid that gets rid of acid gas sprays the wide range, and abundant and tail gas contact can effectively get rid of acid gas, and adsorption apparatus constructs's setting, can further get rid of harmful substance such as acid gas and heavy metal, and the denitration is convenient, is convenient for remove dust, and exhaust purification is effectual, avoids the polluted environment.

Drawings

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

in the figure: 1, a tower body I; 2-liquid receiving tank; 3-air inlet I; 4-liquid containing pipe; 5-atomizing spray heads; 6-liquid containing box; 7-liquid inlet; 8, an air inlet pipe; 9-a box body; 10-a lime powder adsorption layer; 11-an activated carbon adsorption layer; 12-an air outlet pipe; 13-tower body II; 14-inlet two; 15-a flow guide sleeve; 16-a flow guide mechanism; 17-a catalyst layer; 18-an exhaust pipe; 19-a dust remover; 20-an induced draft fan;

the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.

Detailed Description

The invention will be further explained with reference to the following figures and examples:

as shown in figure 1, the waste incineration tail gas treatment device comprises a first tower body 1 for removing acid gas, a second tower body 13 for denitration and a dust remover 19, it is characterized in that the lower part of one side of the tower body I1 is fixedly provided with an air inlet I3, the top of the tower body I1 is fixedly provided with a liquid inlet 7, the inner top of the tower body I1 is provided with a liquid spraying mechanism connected with the liquid inlet 7, a liquid receiving tank 2 is arranged on the lower part of the inner wall of the tower body I1 in a sliding way, an adsorption mechanism is connected between the tower body I1 and the tower body II 13, a denitration mechanism is arranged in the tower body II 13, an exhaust pipe 18 is fixedly arranged at the bottom of one side of the tower body II 13 far away from the air inlet I3, an inlet of the dust remover 19 is connected with an outlet of the exhaust pipe 18, and an induced draft fan 20 is arranged in an outlet of the dust remover 19, and a dust filtering net is arranged at the front end of the induced draft fan 20.

It is unusual, hydrojet mechanism is including flourishing liquid box 6, flourishing liquid pipe 4, a plurality of atomizer 5, flourishing liquid box 6 sets firmly top in tower body 1, flourishing liquid pipe 4 vertical rigid coupling is in flourishing liquid box 6 bottom center, just flourishing liquid box 6 with flourishing liquid pipe 4 intercommunication, inlet 7 with flourishing liquid box 6 intercommunication, a plurality of atomizer 5 is installed flourishing liquid box 6 bottom with flourishing on the 4 lateral walls of liquid pipe.

Particularly, slots are correspondingly and fixedly arranged on the lower portions of the inner walls of the two sides of the first tower body 1, the two side edges of the top of the liquid receiving groove 2 are slidably inserted into the slots, and the lower portion of the front side of the first tower body 1 is hinged with a sealing door corresponding to the liquid receiving groove 2.

Specially, adsorption mechanism includes box 9, sets firmly intake pipe 8 and outlet duct 12, lime powder adsorbed layer 10, the active carbon adsorbed layer 11 at box 9 both sides center respectively, the import department of intake pipe 8 sets firmly first 1 of tower body is kept away from air inlet 3 one side upper portion, the exit of outlet duct 12 sets firmly second 13 of tower body is close to air inlet 3 one side upper portion, lime powder adsorbed layer 10 with active carbon adsorbed layer 11 is all vertical and the slip is located in the box 9, just box 9 front side articulates there is sealed lid.

Particularly, the denitration mechanism comprises a second air inlet 14 for introducing ammonia serving as a reducing agent, a flow guide mechanism 16 and a catalyst 17 layer, the second air inlet 14 is fixedly arranged at the center of the top of the second tower body 13, a flow guide cover 15 communicated with the second air inlet 14 is fixedly arranged at the top of the second tower body 13, the flow guide mechanism 16 is horizontally and fixedly connected to the upper part of the inner wall of the second tower body 13, the flow guide mechanism 16 is positioned below the air outlet pipe 13, and the catalyst layer 17 is fixedly connected to the lower part of the inner wall of the second tower body 13.

Particularly, the guide mechanism 16 includes an upper layer of frame and a lower layer of frame, and a plurality of guide vanes fixed in the frame side by side, the guide vanes are arranged obliquely, and the guide vanes in the upper layer of frame and the guide vanes in the lower layer of frame are arranged vertically and alternately.

Particularly, the catalyst layer 17 is a corrugated catalyst layer, a honeycomb catalyst layer and a corrugated catalyst layer from top to bottom in sequence, and a soot blower is arranged on the catalyst layer 17.

The utility model discloses the during operation, tail gas that msw incineration produced gets into tower body 1 through air inlet 3 in, at this moment, the calcium hydrate thick liquid through 5 blowout of atomizer, after mixing with tail gas, reduce HCL, SO_XWhen acid gas, liquid after reaction falls into the liquid receiving tank 2, the residual gas enters the box body 9 through the gas inlet pipe 8, harmful substances such as acid gas and heavy metal in the liquid are further adsorbed through the lime powder adsorption layer 10 and the activated carbon adsorption layer 11, the residual gas enters the second tower body 13 through the gas outlet pipe 12, reducing agent ammonia enters the second tower body 13 through the gas inlet second 14 and the flow guide cover 15 and contacts with the residual gas, the reducing agent ammonia is shunted through the flow guide mechanism 16 and then contacts with the catalyst layer 17, the temperature in the second tower body 13 reaches the reaction temperature, the reaction and denitration are started, and the gas after denitration is dedusted through the deduster 19 and then is discharged.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.

Claims

1. The waste incineration tail gas treatment device comprises a first tower body (1) for removing acid gas, a second tower body (13) for denitration and a dust remover (19), and is characterized in that a first air inlet (3) is fixedly arranged on the lower portion of one side of the first tower body (1), a liquid inlet (7) is fixedly arranged at the top of the first tower body (1), a liquid spraying mechanism connected with the liquid inlet (7) is arranged at the top of the first tower body (1), a liquid receiving groove (2) is slidably arranged on the lower portion of the inner wall of the first tower body (1), an adsorption mechanism is connected between the first tower body (1) and the second tower body (13), a denitration mechanism is arranged inside the second tower body (13), the second tower body (13) is far away from the bottom of one side of the first air inlet (3), an exhaust pipe (18) is fixedly arranged at the bottom of one side of the first tower body (1), and, and an induced draft fan (20) is arranged in an outlet of the dust remover (19), and a dust filtering net is arranged at the front end of the induced draft fan (20).

2. The waste incineration tail gas treatment device according to claim 1, wherein the liquid spraying mechanism comprises a liquid containing box (6), a liquid containing pipe (4) and a plurality of atomizing nozzles (5), the liquid containing box (6) is fixedly arranged at the top of the tower body I (1), the liquid containing pipe (4) is vertically and fixedly connected to the center of the bottom of the liquid containing box (6), the liquid containing box (6) is communicated with the liquid containing pipe (4), the liquid inlet (7) is communicated with the liquid containing box (6), and the plurality of atomizing nozzles (5) are arranged at the bottom of the liquid containing box (6) and on the side wall of the liquid containing pipe (4).

3. The waste incineration tail gas treatment device according to claim 2, wherein slots are correspondingly and fixedly arranged at lower portions of inner walls at two sides of the first tower body (1), two side edges of the top of the liquid receiving tank (2) are slidably inserted into the slots, and a sealing door corresponding to the liquid receiving tank (2) is hinged to a lower portion of the front side of the first tower body (1).

4. The waste incineration tail gas treatment device according to claim 3, wherein the adsorption mechanism comprises a box body (9), an air inlet pipe (8) and an air outlet pipe (12) which are respectively fixedly arranged at the centers of two sides of the box body (9), a lime powder adsorption layer (10) and an activated carbon adsorption layer (11), the inlet of the air inlet pipe (8) is fixedly arranged at the upper part of one side of the first air inlet (3) away from the first tower body (1), the outlet of the air outlet pipe (12) is fixedly arranged at the upper part of one side of the first air inlet (3) close to the second tower body (13), the lime powder adsorption layer (10) and the activated carbon adsorption layer (11) are vertically and slidably arranged in the box body (9), and the front side of the box body (9) is hinged with a sealing cover.

5. The waste incineration tail gas treatment device according to claim 4, wherein the denitration mechanism comprises a second air inlet (14) for introducing ammonia as a reducing agent, a diversion mechanism (16) and a catalyst layer (17), the second air inlet (14) is fixedly arranged at the center of the top of the second tower body (13), a diversion cover (15) communicated with the second air inlet (14) is fixedly arranged at the inner top of the second tower body (13), the diversion mechanism (16) is horizontally and fixedly connected to the upper portion of the inner wall of the second tower body (13), the diversion mechanism (16) is positioned below the air outlet pipe (12), and the catalyst layer (17) is fixedly connected to the lower portion of the inner wall of the second tower body (13).

6. The waste incineration tail gas treatment device according to claim 5, wherein the flow guide mechanism (16) comprises an upper layer of frame and a lower layer of frame, and a plurality of flow guide blades which are fixedly arranged in the frames in parallel, the flow guide blades are obliquely arranged, and the flow guide blades in the upper layer of frame and the flow guide blades in the lower layer of frame are vertically and alternately arranged.

7. The waste incineration tail gas treatment device according to claim 6, wherein the catalyst layer (17) is a corrugated catalyst layer, a honeycomb catalyst layer and a corrugated catalyst layer from top to bottom, and the catalyst layer (17) is provided with a soot blower.