CN214513698U - Domestic waste pyrolysis oven dust removal sweetener - Google Patents
Domestic waste pyrolysis oven dust removal sweetener Download PDFInfo
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- CN214513698U CN214513698U CN202022856484.3U CN202022856484U CN214513698U CN 214513698 U CN214513698 U CN 214513698U CN 202022856484 U CN202022856484 U CN 202022856484U CN 214513698 U CN214513698 U CN 214513698U
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- flue gas
- desulfurizing tower
- desulfurizing
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Abstract
The utility model provides a domestic waste pyrolysis oven dust removal sweetener, relates to a boiler flue gas treatment facility to solve current boiler and adopt the lime method scale deposit easily in the tower and block up difficult clearance, the lower problem of wet-type double alkali method desulfurization absorption efficiency. The utility model discloses a dust remover, desulfurizing tower, spray the pipeline, spray pump, nozzle, discharge fume the pipe, advance the tobacco pipe and be used for the air current equipartition ware of dispersion flue gas, be equipped with the nozzle in the desulfurizing tower, the desulfurizing tower bottom is equipped with sodium hydroxide alkaline solution, and the nozzle is equipped with the spray pump through outside spray pipeline and desulfurizing tower bottom intercommunication on the spray pipeline, advances the tobacco pipe and feeds through with the desulfurizing tower and lie in the nozzle below. The utility model discloses set up the air current equipartition ware between advancing tobacco pipe and nozzle, make the flue gas fully with nozzle spun alkaline solution contact, produce chemical reaction and absorb sulfur-containing gas, improve desulfurization efficiency, adopt sodium hydroxide alkaline solution to absorb sulfur-containing gas simultaneously, the salt that generates is soluble in water easily, does not take place the scale deposit.
Description
Technical Field
The utility model relates to a boiler flue gas treatment facility, concretely relates to dust removal sweetener.
Background
The existing boiler flue gas contains sulfide, so that the pollution to the atmosphere is large, the flue gas at the tail part of the boiler needs flue gas treatment equipment for desulfurization and dust removal, the lime method or the double-alkali method is generally adopted for desulfurization, the lime method is easy to scale and block in a tower and is not easy to clean, and the wet double-alkali method is low in desulfurization absorption efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve current boiler and adopt the lime method to block up the difficult clearance of scale deposit easily in the tower, the lower problem of wet-type two alkaline process desulfurization absorption efficiency, and provide a domestic waste pyrolysis oven dust removal sweetener.
The utility model discloses a solve the technical scheme that above-mentioned technical problem took and be:
the utility model provides a domestic waste pyrolysis oven dust removal sweetener, which comprises a dust remover, the desulfurizing tower, spray the pipeline, spray the pump, the nozzle, discharge fume the pipe, advance the tobacco pipe and be used for the distribution of air flow ware of dispersion flue gas, be equipped with the nozzle in the desulfurizing tower, sodium hydroxide alkaline solution is equipped with to the desulfurizing tower bottom, the nozzle is through outside spray pipeline and desulfurizing tower bottom intercommunication, be equipped with on the spray pipeline and spray the pump, advance tobacco pipe and desulfurizing tower intercommunication and be located the nozzle below, the exhaust port of dust remover with advance the tobacco pipe and be linked together, desulfurizing tower top and discharge fume the pipe intercommunication, distribution of air flow ware sets up advancing between tobacco pipe and the nozzle.
Preferably, the dedusting and desulfurizing equipment for the household garbage pyrolyzing furnace further comprises a booster fan and a flue gas return pipe, wherein the flue gas discharge pipe is provided with the booster fan, and a pipeline on the smoke discharge side of the booster fan is communicated with the smoke inlet pipe through the flue gas return pipe.
Preferably, a first backflow guide plate is arranged at the intersection of the smoke exhaust pipe and the smoke backflow pipe in the smoke exhaust pipe, and the first backflow guide plate is obliquely arranged along the smoke flowing direction.
Preferably, a second backflow guide plate is arranged at the junction of the smoke backflow pipe in the smoke inlet pipe and the smoke inlet pipe, and the second backflow guide plate is obliquely arranged along the smoke flowing direction.
Preferably, the gas flow uniform distributor comprises an annular plate, a circular plate and a plurality of blades, wherein the circular plate is arranged at the center of the annular plate, the circular plate and the annular plate are connected through the blades, the blades are inclined and uniformly arranged in the same direction of the circumference of the circular plate, the annular plate is fixedly arranged in the desulfurizing tower, and the annular plate is positioned between the smoke inlet pipe and the nozzle.
Preferably, the bottom of the desulfurizing tower is provided with a drain pipe, and the drain pipe is provided with a valve.
Preferably, a desulfurizer box is arranged outside the desulfurizing tower and is communicated with the desulfurizing tower through a pipe.
Preferably, a water supply pipe is arranged on the desulfurizer box.
Preferably, an opening and closing valve is arranged on the spraying pipeline.
Preferably, the dust remover is a cyclone dust remover or a tar dust remover.
Compared with the prior art, the utility model following beneficial effect has:
the utility model discloses set up the air current equipartition ware between advancing tobacco pipe and nozzle, make the flue gas fully with nozzle spun alkaline solution contact, produce chemical reaction and absorb sulfur-containing gas, improve desulfurization efficiency, adopt sodium hydroxide alkaline solution to absorb sulfur-containing gas simultaneously, the salt that generates is soluble in water easily, does not take place the scale deposit. Not only solves the problem of limestone blockage, but also has the advantage of high wet-type double-alkali desulfurization absorption efficiency.
Drawings
FIG. 1 is a schematic view of an embodiment of the present invention;
FIG. 2 is a schematic view of another embodiment of the present invention, in which the arrows indicate the flow direction of the flue gas;
FIG. 3 is a schematic view of a flow distributor.
FIG. 4 is a side view of the blades on the flow distributor;
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings: this embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation is given, but the scope of the present invention is not limited to the following embodiments.
Example 1: the embodiment is described below with reference to fig. 1 to 4, and as shown in fig. 1, the embodiment includes a dust remover 1, a desulfurizing tower 2, a spraying pipeline 4, a spraying pump 5, a nozzle 6, a smoke discharging pipe 7, a smoke inlet pipe 9 and an airflow distributor 17 for dispersing smoke, the nozzle 6 is arranged in the desulfurizing tower 2, the bottom of the desulfurizing tower 2 is filled with sodium hydroxide alkaline solution, the nozzle 6 is communicated with the bottom of the desulfurizing tower 2 through the external spraying pipeline 4, the spraying pipeline 4 is provided with the spraying pump 5, the smoke inlet pipe 9 is communicated with the desulfurizing tower 2 and is located below the nozzle 6, a smoke outlet of the dust remover 1 is communicated with the smoke inlet pipe 9, the top of the desulfurizing tower 2 is communicated with the smoke discharging pipe 7, and the airflow distributor 17 is arranged between the smoke inlet pipe 9 and the nozzle 6.
Alkaline solution is stored in a slurry area at the bottom of the desulfurizing tower 2, sodium hydroxide is used as a desulfurizing agent, and the sodium hydroxide is easy to dissolve in water and does not need a pulping system.
In order to further improve the desulfurization efficiency, the present embodiment further includes a booster fan 3 and a flue gas return pipe 8, the exhaust pipe 7 is provided with the booster fan 3, and the pipeline on the exhaust side of the booster fan 3 is communicated with the flue gas inlet pipe 9 through the flue gas return pipe 8. And part of the desulfurized flue gas is refluxed into the desulfurizing tower 2 for secondary desulfurization, so that the desulfurization efficiency is further improved.
In order to separate part of the smoke from the smoke exhaust pipe 7 better, a first backflow guide plate 10 is arranged at the junction of the smoke exhaust pipe 7 and the smoke backflow pipe 8 in the smoke exhaust pipe 7, and the first backflow guide plate 10 is arranged in an inclined mode along the smoke flowing direction.
In order to prevent the flue gas from being directly discharged without being desulfurized, a second backflow guide plate 15 is arranged at the junction of the flue gas backflow pipe 8 and the flue gas inflow pipe 9 in the flue gas inflow pipe 9, and the second backflow guide plate 15 is obliquely arranged along the flow direction of the flue gas.
Alternatively, as shown in fig. 3 and 4, the flow distributor 17 of the present embodiment includes an annular plate 17-1, a circular plate 17-2 and a plurality of vanes 17-3, the circular plate 17-2 is disposed at the center of the annular plate 17-1, the circular plate 17-2 and the annular plate 17-1 are connected by the plurality of vanes 17-3, the plurality of vanes 17-3 are inclined and uniformly arranged along the same direction of the circumference of the circular plate 17-2, the annular plate 17-1 is fixedly disposed in the desulfurization tower 2, and the annular plate 17-1 is disposed between the flue gas inlet pipe 9 and the nozzle 6.
Alternatively, the plurality of blades 17-3 may be arranged in the same manner as the fan blades, as shown in FIG. 3, with each blade 17-3 being angled from the horizontal by 20 to 40.
The air flow uniformly distributed device 17 is guided to rise uniformly and impact the alkaline spraying water curtain continuously, and the alkaline absorption liquid is atomized moderately. The atomization process of the liquid is actually the transfer process between gas and liquid phases. After the liquid is atomized, the unit surface area is expanded by more than two thousand times, and the gas is diffused to the atomized liquid drops in a large area, SO that SO2 in the flue gas is fully contacted with the liquid drops. After the gas-liquid equilibrium, the gaseous SO2 is converted into liquid state and can be fully absorbed by the alkaline liquid.
The alkaline solution of 2 bottoms in extraction desulfurizing tower is evenly sprayed in the reaction zone through spray pump 5, spray pipeline 4 and nozzle 6 to this embodiment, from top to bottom and flue gas formation convection current carry out desulfurization reaction.
The desulfurization tower device and the sodium method desulfurization process are adopted, and the principle is that sulfur dioxide in the flue gas generates an acid solution when meeting water, and the acid solution and a liquid sodium alkaline solution generate chemical reaction and neutralization to generate comprehensive salts, so that the flue gas is purified, and the concentration of the discharged sulfur dioxide meets the environmental protection requirement. The chemical reaction equation is as follows:
2NaOH+SO2→Na2SO3+H2O
Na2SO3+SO2+H2O→2NaHSO3
the equation for the overall reaction is:
NaOH+SO2→NaHSO3
in order to discharge the solid particles, a drain pipe 11 is arranged at the bottom of the desulfurizing tower 2, and a valve 12 is arranged on the drain pipe 11.
As NaOH belongs to consumables in the desulfurization process and needs to be supplemented in time, a desulfurizer box 13 is arranged outside the desulfurization tower 2, the desulfurizer box 13 is communicated with the desulfurization tower 2 through a pipe, NaOH is placed in the desulfurizer box 13 and is mixed with water according to a certain proportion, and the NaOH is discharged into the desulfurization tower 1.
In order to facilitate water supply, a water supply pipe 14 is arranged on the desulfurizer box 13, and the water supply pipe 14 is connected with a water source.
Optionally, an open/close valve 16 is provided on the shower line 4.
Optionally, the dust remover is a cyclone dust remover or a tar dust remover, so as to be suitable for treating tail flue gas of different boilers.
Although the present invention has been described in detail with reference to certain specific embodiments, it will be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (10)
1. The dust removal and desulfurization equipment for the household garbage pyrolysis furnace is characterized by comprising a dust remover (1), a desulfurization tower (2), a spray pipeline (4) and a spray pump (5), nozzle (6), discharge fume pipe (7), advance tobacco pipe (9) and be used for dispersing the distribution of air flow ware (17) of flue gas, be equipped with nozzle (6) in desulfurizing tower (2), sodium hydroxide alkaline solution is equipped with to desulfurizing tower (2) bottom, nozzle (6) are through outside spray pipe way (4) and desulfurizing tower (2) bottom intercommunication, be equipped with on the spray pipe way (4) and spray pump (5), it communicates and is located nozzle (6) below with desulfurizing tower (2) to advance tobacco pipe (9), the exhaust port of dust remover (1) is linked together with advancing tobacco pipe (9), desulfurizing tower (2) top and discharge fume pipe (7) intercommunication, distribution of air flow ware (17) set up and advancing between tobacco pipe (9) and nozzle (6).
2. The household garbage pyrolysis furnace dedusting and desulfurizing equipment according to claim 1, characterized by further comprising a booster fan (3) and a flue gas return pipe (8), wherein the smoke exhaust pipe (7) is provided with the booster fan (3), and a pipeline on the smoke exhaust side of the booster fan (3) is communicated with the smoke inlet pipe (9) through the flue gas return pipe (8).
3. The household garbage pyrolysis furnace dedusting and desulfurizing equipment according to claim 2, characterized in that a first backflow guide plate (10) is arranged at the junction of the smoke exhaust pipe (7) and the smoke backflow pipe (8) in the smoke exhaust pipe (7), and the first backflow guide plate (10) is obliquely arranged along the smoke flowing direction.
4. The household garbage pyrolysis furnace dedusting and desulfurizing equipment according to claim 2 or 3, wherein a second backflow guide plate (15) is arranged at the junction of the flue gas backflow pipe (8) and the flue gas inlet pipe (9) in the flue gas inlet pipe (9), and the second backflow guide plate (15) is obliquely arranged along the flow direction of the flue gas.
5. The household garbage pyrolysis furnace dust removal and desulfurization equipment as claimed in claim 1, wherein the gas flow distributor (17) comprises an annular plate (17-1), a circular plate (17-2) and a plurality of blades (17-3), the circular plate (17-2) is arranged in the center of the annular plate (17-1), the circular plate (17-2) and the annular plate (17-1) are connected through the plurality of blades (17-3), the plurality of blades (17-3) are inclined and uniformly arranged along the same direction of the circumference of the circular plate (17-2), the annular plate (17-1) is fixedly arranged in the desulfurization tower (2), and the annular plate (17-1) is positioned between the smoke inlet pipe (9) and the nozzle (6).
6. The dust removal and desulfurization equipment for the household garbage pyrolysis furnace as claimed in claim 1, wherein a drain pipe (11) is arranged at the bottom of the desulfurization tower (2), and a valve (12) is arranged on the drain pipe (11).
7. The household garbage pyrolysis furnace dedusting and desulfurizing device according to claim 1, wherein a desulfurizing agent box (13) is arranged outside the desulfurizing tower (2), and the desulfurizing agent box (13) is communicated with the desulfurizing tower (2) through a pipe.
8. The dust removal and desulfurization equipment for the household garbage pyrolysis furnace as claimed in claim 7, wherein the desulfurizer tank (13) is provided with a water supply pipe (14).
9. The household garbage pyrolysis furnace dedusting and desulfurizing equipment according to claim 1, characterized in that the spraying pipeline (4) is provided with an opening and closing valve (16).
10. The dust removal and desulfurization equipment for the household garbage pyrolysis furnace as claimed in claim 1, wherein the dust remover is a cyclone dust remover or a tar dust remover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022856484.3U CN214513698U (en) | 2020-12-02 | 2020-12-02 | Domestic waste pyrolysis oven dust removal sweetener |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022856484.3U CN214513698U (en) | 2020-12-02 | 2020-12-02 | Domestic waste pyrolysis oven dust removal sweetener |
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| Publication Number | Publication Date |
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| CN214513698U true CN214513698U (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022856484.3U Active CN214513698U (en) | 2020-12-02 | 2020-12-02 | Domestic waste pyrolysis oven dust removal sweetener |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114832135A (en) * | 2022-04-12 | 2022-08-02 | 成都蓝峰科技有限公司 | Hydrogen peroxide purification method and hydrogen peroxide purification device |
| CN116870681A (en) * | 2023-07-10 | 2023-10-13 | 宜兴市宇翔机械科技有限公司 | Flue gas desulfurization purification system capable of recycling waste heat for industrial boiler and process thereof |
-
2020
- 2020-12-02 CN CN202022856484.3U patent/CN214513698U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114832135A (en) * | 2022-04-12 | 2022-08-02 | 成都蓝峰科技有限公司 | Hydrogen peroxide purification method and hydrogen peroxide purification device |
| CN114832135B (en) * | 2022-04-12 | 2024-03-15 | 成都蓝峰科技有限公司 | Hydrogen peroxide purification method and hydrogen peroxide purification device |
| CN116870681A (en) * | 2023-07-10 | 2023-10-13 | 宜兴市宇翔机械科技有限公司 | Flue gas desulfurization purification system capable of recycling waste heat for industrial boiler and process thereof |
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