CN212731646U

CN212731646U - Environment-friendly boiler pulse dust removal and desulfurization device

Info

Publication number: CN212731646U
Application number: CN202021351238.6U
Authority: CN
Inventors: 刘咨民; 阳松柏; 李润
Original assignee: Hengyang Best Selling Chemical Industry Co ltd
Current assignee: Hengyang Best Selling Chemical Industry Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-03-19
Anticipated expiration: 2030-07-10

Abstract

The utility model relates to an environmental protection boiler technical field specifically is an environmental protection boiler pulse dust removal desulphurization unit, including the absorption tower, absorption tower one side is equipped with cyclone, the cyclone air outlet passes through induced duct and absorption tower intercommunication, the absorption tower top is equipped with the exhaust pipe, absorption tower outside wall bottom edge is equipped with the fluid-discharge tube, the absorption tower opposite side is equipped with the liquid reserve tank, the high-pressure pump is ann at the liquid reserve tank top, liquid reserve tank outside wall bottom edge is equipped with the drain pipe, the drain pipe is terminal to be through first connecting pipe and high-pressure pump inlet intercommunication, ann has a plurality of pipe clamps on the absorption tower outside wall, ann has spray assembly between the pipe clamp. This environmental protection boiler pulse dust removal desulphurization unit, the flue gas removes dust through cyclone earlier, gets rid of the solid particle in the flue gas, takes the aqueous ammonia out through the high-pressure pump pressurization again, then through spray assembly blowout, increases the area of contact of harmful gas such as aqueous ammonia and sulfur dioxide, guarantees the thoroughness of reaction, improves flue gas dust removal desulfurization effect.

Description

Environment-friendly boiler pulse dust removal and desulfurization device

Technical Field

The utility model relates to an environmental protection boiler technical field specifically is an environmental protection boiler pulse dust removal desulphurization unit.

Background

The boiler is a common energy conversion device, energy such as chemical energy and electric energy is input into the boiler, the energy is converted into steam with heat energy, high-temperature water or an organic heat carrier through the boiler and is output, the boiler is widely used in industrial production, a large amount of smoke containing dust, sulfur and other harmful gases can be generated in the process of converting the energy of the boiler, the smoke needs to be treated and then discharged, and the pollution to the atmospheric environment is prevented.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an environmental protection boiler pulse dust removal desulphurization unit to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an environment-friendly boiler pulse dust removal and desulfurization device comprises an absorption tower, wherein a cyclone dust collector is arranged on one side of the absorption tower, an ash accumulation hopper is arranged at the bottom of the cyclone dust collector, an ash discharge hole is formed in the bottom of the ash accumulation hopper, an air outlet of the cyclone dust collector is communicated with the inside of the absorption tower through an induced duct, an exhaust duct communicated with the inside of the absorption tower is arranged at the top of the absorption tower, a liquid discharge pipe communicated with the inside of the absorption tower is arranged at the bottom edge of the outer side wall of the absorption tower, a first control valve is installed on the liquid discharge pipe, a liquid storage tank is arranged on the other side of the absorption tower, a high-pressure pump is installed at the top of the liquid storage tank, a liquid discharge pipe communicated with the inside of the liquid storage tank is arranged at the bottom edge of the outer side wall of the liquid storage tank, a second control valve is installed on the liquid discharge pipe, the tail, the spray assembly is arranged between the pipe clamps and comprises a spray pipe clamped between the pipe clamps, the outer side wall of the spray pipe is provided with a plurality of liquid guide pipes which are uniformly distributed and communicated with the inner parts of the liquid guide pipes, the liquid guide pipes extend into the absorption tower, the tail ends of the liquid guide pipes are provided with atomizing nozzles, and the tail ends of the spray pipe are communicated with a liquid outlet of the high-pressure pump through a second connecting pipe.

Preferably, the bottom of the absorption tower is provided with a bearing base.

Preferably, the tail end of the outer side wall of the air inlet pipe of the cyclone dust collector is provided with a connecting flange which is in an integrally formed structure.

Preferably, the outer side wall of the dust hopper is tightly welded with at least three supporting legs distributed in an annular array.

Preferably, the tail end of the inner side wall of the exhaust pipe is provided with a fan.

Preferably, the top of the liquid storage tank is provided with a liquid filling port communicated with the inside of the liquid storage tank, and the liquid filling port is in threaded connection with a sealing cover.

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

this environmental protection boiler pulse dust removal desulphurization unit, through the cyclone who sets up, remove dust through cyclone before the flue gas is absorbed by the absorption tower and is handled, get rid of the solid particle in the flue gas, prevent to influence subsequent processing, take the aqueous ammonia out through the high-pressure pump pressurization simultaneously, spout through shower, catheter and atomizer again, increase the area of contact of harmful gas such as aqueous ammonia and sulfur dioxide, guarantee the thoroughness of reaction, and then improve flue gas dust removal desulfurization effect.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic structural view of the ash bucket of the present invention;

FIG. 4 is a schematic structural view of a middle liquid storage tank of the present invention;

fig. 5 is a schematic structural view of the middle spray assembly of the present invention.

In the figure:

1. an absorption tower;

2. a load-bearing base;

3. a cyclone dust collector;

4. an ash accumulation hopper; 40. an ash discharge port; 41. supporting legs;

5. an induced draft pipe;

6. an exhaust duct;

7. a fan;

8. a liquid discharge pipe; 80. a first control valve;

9. a liquid storage tank; 90. a liquid filling port; 91. a sealing cover;

10. a high pressure pump;

11. a liquid outlet pipe; 110. a second control valve;

12. a first connecting pipe;

13. a pipe clamp;

14. a spray assembly; 140. a shower pipe; 141. a catheter; 142. an atomizing spray head;

15. a second connecting pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but 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" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-5, the present invention provides a technical solution:

the utility model provides an environmental protection boiler pulse dust removal desulphurization unit, includes absorption tower 1, its characterized in that: one side of an absorption tower 1 is provided with a cyclone dust collector 3, an air outlet of the cyclone dust collector 3 is communicated with the inside of the absorption tower 1 through an induced draft pipe 5, the top of the absorption tower 1 is provided with an exhaust pipe 6 communicated with the inside of the absorption tower, the bottom edge of the outer side wall of the absorption tower 1 is provided with a liquid discharge pipe 8 communicated with the inside of the absorption tower, the liquid discharge pipe 8 is provided with a first control valve 80, the other side of the absorption tower 1 is provided with a liquid storage box 9, the top of the liquid storage box 9 is provided with a high-pressure pump 10, the bottom edge of the outer side wall of the liquid storage box 9 is provided with a liquid discharge pipe 11 communicated with the inside of the liquid storage box, the liquid discharge pipe 11 is provided with a second control valve 110, the tail end of the second control valve is communicated with a liquid inlet of the high-pressure pump 10 through a first connecting pipe 12, the outer, the outer side wall of the spray pipe 140 is provided with a plurality of liquid guide pipes 141 which are uniformly distributed and communicated with the interior of the spray pipe 140, the liquid guide pipes 141 extend into the absorption tower 1, the tail ends of the liquid guide pipes 141 are provided with atomizing nozzles 142, the tail ends of the spray pipe 140 are communicated with a liquid outlet of the high-pressure pump 10 through a second connecting pipe 15, ammonia water is stored in the liquid storage tank 9, an air inlet pipe of the cyclone dust collector 3 is communicated with a boiler exhaust pipe, flue gas generated by the boiler enters the cyclone dust collector 3, dust in the flue gas is removed through the cyclone dust collector 3, the residual flue gas enters the absorption tower 1 through an air guide pipe 5, the ammonia water in the liquid storage tank 9 is extracted through the liquid outlet pipe 11 and the first connecting pipe 12 through the high-pressure pump 10, the ammonia water is conveyed into the spray pipe 140 through the second connecting pipe 15, and is finally sprayed out through the liquid guide pipes 141 and the atomizing nozzles 142 to be, the first control valve 80 is periodically opened to discharge the aqueous solution thereof.

In the embodiment, the bottom of the cyclone dust collector 3 is provided with the dust hopper 4, dust removed by the cyclone dust collector 3 is collected through the dust hopper 4, the bottom of the dust hopper 4 is provided with the dust discharge port 40, and the dust collected by the dust hopper 4 is removed through the dust discharge port 40; at least three supporting legs 41 distributed in an annular array are tightly welded on the outer side wall of the ash bucket 4, the ash bucket 4 is supported by the supporting legs 41 to prevent the ash bucket from toppling and turning over, and the height of the ash discharge port 40 is raised at the same time, so that ash can be discharged conveniently; the tail end of the outer side wall of the air inlet pipe of the cyclone dust collector 3 is provided with a connecting flange which is in an integrated structure with the air inlet pipe, so that the air inlet pipe of the cyclone dust collector 3 can be conveniently connected to a boiler exhaust pipe through the connecting flange.

In addition, the bottom of the absorption tower 1 is provided with a bearing base 2, the bearing base 2 is made of cast iron or concrete by pouring, the total weight of the absorption tower 1 is increased, the center of gravity of the absorption tower is reduced, and the absorption tower 1 is prevented from side turning over.

Further, a fan 7 is installed at the tail end of the inner side wall of the exhaust pipe 6, the fan 7 further extracts the flue gas in the absorption tower 1, and the treated flue gas is discharged.

Secondly, a liquid adding port 90 communicated with the inside of the liquid storage tank 9 is formed in the top of the liquid storage tank 9, so that ammonia water can be added into the liquid storage tank 9 through the liquid adding port 90 conveniently; threaded connection has sealed lid 91 on liquid filling opening 90, seals liquid filling opening 90 and handles, prevents that the aqueous ammonia from volatilizing inefficacy, prevents simultaneously that the dust in the external environment from falling into liquid reserve tank 9 through liquid filling opening 90, polluting the aqueous ammonia.

When the pulse dedusting and desulfurizing device for the environment-friendly boiler is used, workers firstly check whether the integrity and the connection of the device are firm or not and then check whether the storage capacity of ammonia water in the liquid storage tank 9 is sufficient or not; then, the air inlet pipe of the cyclone dust collector 3 is connected to the exhaust pipe of the boiler through a connecting flange, then the first control valve 80 is closed, the flue gas generated by the boiler enters the cyclone dust collector 3, the dust in the flue gas is removed through the cyclone dust collector 3, the dust falls into the dust collecting hopper 4 to be collected, and then the dust is discharged from the dust outlet 40; the residual flue gas enters the absorption tower 1 through the air guiding pipe 5, the second control valve 110 is opened at the same time, the power supply of the high-pressure pump 10 is connected to enable the residual flue gas to work, the ammonia water in the liquid storage tank 9 is pumped out through the liquid outlet pipe 11 and the first connecting pipe 12 through the high-pressure pump 10, then is conveyed to the spraying pipe 140 through the second connecting pipe 15, is sprayed out through the liquid guide pipe 141 and the atomizing spray head 142, is in contact reaction with the residual flue gas in the absorption tower 1 to generate ammonium sulfate, and the ammonium sulfate water solution falls to the bottom of the absorption tower 1 to be stored; after the flue gas treatment is completed, the first control valve 80 is opened and the ammonium sulphate aqueous solution is discharged.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an environmental protection boiler pulse dust removal desulphurization unit, includes absorption tower (1), its characterized in that: absorption tower (1) one side is equipped with cyclone (3), cyclone (3) bottom is equipped with deposition bucket (4), ash discharge mouth (40) have been seted up to deposition bucket (4) bottom, the air outlet of cyclone (3) is linked together through induced duct (5) and absorption tower (1) inside, absorption tower (1) top is equipped with exhaust pipe (6) rather than inside being linked together, the bottom edge of absorption tower (1) lateral wall is equipped with fluid-discharge tube (8) rather than inside being linked together, install first control valve (80) on fluid-discharge tube (8), absorption tower (1) opposite side is equipped with liquid reserve tank (9), high-pressure pump (10) are installed at liquid reserve tank (9) top, the bottom edge of liquid reserve tank (9) lateral wall is equipped with drain pipe (11) rather than inside being linked together, install second control valve (110) on drain pipe (11) and its end is through first connecting pipe (12) and high-pressure pump (9), drain pipe (11) The inlet of the pressure pump (10) is communicated, a plurality of pipe clamps (13) which are uniformly distributed are installed on the outer side wall of the absorption tower (1) along the vertical direction, a spraying assembly (14) is installed between the pipe clamps (13), the spraying assembly (14) comprises a spraying pipe (140) which is connected between the pipe clamps (13), the outer side wall of the spraying pipe (140) is provided with a plurality of liquid guide pipes (141) which are uniformly distributed and communicated with the inside of the spraying pipe (140), the liquid guide pipes (141) extend into the absorption tower (1) and the tail ends of the liquid guide pipes are provided with atomizing nozzles (142), and the tail ends of the spraying pipe (140) are communicated with the liquid outlet of the high-pressure pump (10) through a.

2. The pulse dedusting and desulfurizing device for the environmental-friendly boiler according to claim 1, characterized in that: and a bearing base (2) is arranged at the bottom of the absorption tower (1).

3. The pulse dedusting and desulfurizing device for the environmental-friendly boiler according to claim 1, characterized in that: and a connecting flange which is in an integrally formed structure with the cyclone dust collector (3) is arranged at the tail end of the outer side wall of the air inlet pipe.

4. The pulse dedusting and desulfurizing device for the environmental-friendly boiler according to claim 1, characterized in that: the outer side wall of the dust hopper (4) is tightly welded with at least three supporting legs (41) distributed in an annular array.

5. The pulse dedusting and desulfurizing device for the environmental-friendly boiler according to claim 1, characterized in that: and a fan (7) is installed at the tail end of the inner side wall of the exhaust pipe (6).

6. The pulse dedusting and desulfurizing device for the environmental-friendly boiler according to claim 1, characterized in that: the top of the liquid storage tank (9) is provided with a liquid filling port (90) communicated with the inside of the liquid storage tank, and the liquid filling port (90) is in threaded connection with a sealing cover (91).