CN221131559U - Boiler desulfurization dust collector - Google Patents

Abstract

The application relates to a boiler desulfurization dust removal device, which comprises front-end filter equipment arranged at an input port of desulfurization equipment, wherein the front-end filter equipment comprises a filter assembly for collecting dust particles, the filter assembly comprises a plurality of detachable filter screens and a connecting layer, the connecting layer is arranged between the filter screens, the filter screens are tightly attached to the connecting layer, an isolation cavity is formed between the filter screens, the isolation cavity is provided with a dust absorption part with a cleaning function, and one end of the dust absorption part is arranged on the connecting layer. The application has the advantages of simple installation and operation, convenient cleaning and convenient multiple use.

Description

Boiler desulfurization dust collector

Technical Field

The application relates to the field of boiler desulfurization technology, in particular to a boiler desulfurization dust collector.

Background

In the related art, boiler desulfurization is a process for removing sulfur and compounds in flue gas.

At present, desulfurization treatment is a relatively common method by conveying flue gas to a spray tower and other equipment.

Application number: 201921873400.8, named as a boiler desulfurization dust collector, through including inlet smoke box, air inlet, preceding filter screen, arch filter screen, rose box, filter screen, outlet smoke box, gas outlet, ash pipe, end export, installation box, the welding of the front and back end position of installation box installs inlet smoke box and outlet smoke box. Before the flue gas enters the desulfurization equipment, dust removal structure is arranged at the position of the air inlet of the equipment, so that dust in the flue gas can be effectively reduced.

However, the above technical scheme is that a large number of filter screens and other structures are arranged to intercept particles in the flue gas. Once the filter screen is blocked, the efficiency of the filter screen is greatly reduced, the filter screen is generally difficult to continuously use and needs to be replaced frequently, so that the possibility of cost increase is caused, and meanwhile, the operation is more troublesome.

Disclosure of utility model

In order to facilitate the particle filtration of the flue gas, the application provides a boiler desulfurization dust removal device.

The application provides a boiler desulfurization dust collector which adopts the following technical scheme:

The utility model provides a boiler desulfurization dust collector, includes the front end filtration equipment of installing at the input port of desulfurization equipment, front end filtration equipment is including having the filter component who collects the smoke and dust granule, filter component is including many detachable filter screens and tie coat, sets up the tie coat between the filter screen, hugs closely between filter screen and the tie coat, is formed with the isolation chamber between the filter screen, and the isolation chamber is provided with the dust absorption spare that has clean function, and the one end setting of dust absorption spare is at the tie coat.

By adopting the technical scheme, the front-end filtering equipment is arranged at the input port of the desulfurization equipment, and before the desulfurization process, particles in the flue gas are removed, and the dust absorption part and the filter screen are used for isolation absorption, so that the amount of the particles entering the desulfurization equipment, the particles such as dust and the like are reduced, and the particles are collected in the isolation cavity, thereby facilitating the subsequent centralized treatment; the filter screen can be detached for cleaning, and the operation is simple; the dust absorbing member is used for absorbing dust and the like in the flue gas, and meanwhile, the dust absorbing member with the cleaning function can conduct cleaning operation on the inside.

Preferably, the front-end filtering device further comprises a housing, an air inlet channel is formed in the housing, and the filtering component is arranged in the air inlet channel; the shell is provided with an air inlet and a plurality of air outlets, and the air inlet and the air outlets are communicated with the air inlet channel; the housing is provided with an observation window for observing the intake passage.

Through adopting above-mentioned technical scheme, the flue gas that the boiler produced carries in through the inlet channel, carries out dust removal processing in the inlet channel, is convenient for look over the condition in the inlet channel through the observation window.

Preferably, a discharge hole is formed in the bottom of the shell, and one end of the dust absorption member extends to the external environment through the discharge hole.

Through adopting above-mentioned technical scheme, the dust adsorption piece is used for adsorbing the granule in the flue gas that gets into in the shell, reduces the quantity that the granule got into in the desulfurization equipment.

Preferably, the filter screen is a multilayer metal sintering screen, an annular connecting part is arranged on the outer side of the filter screen, and the annular connecting part is in threaded engagement in front-end filter equipment.

By adopting the technical scheme, the structure is high in strength and more durable; the filter screen is meshed through the annular connecting part threads, so that the filter screen is convenient to install and detach and convenient to clean.

Preferably, the connecting layer is made of a colloid material, and a connecting inner cavity is arranged in the connecting layer; a plurality of liquid draining ports are arranged on the connecting layer.

Through adopting above-mentioned technical scheme, the tie layer is comparatively durable, and the leakage fluid dram on the tie layer is used for discharging the cleaning solution.

Preferably, the dust absorbing member comprises a water inlet pipe and a stop block, the stop block is connected with the water inlet pipe, a plurality of liquid outlets are arranged on the stop block, and the liquid outlets are communicated with the inside of the water inlet pipe; the water inlet pipe is connected with the booster pump.

Through adopting above-mentioned technical scheme, carry outside cleaning solution through the inlet tube in to the shell through the booster pump, cleaning solution is arranged in the air inlet channel of shell and is clean filter components etc. through the liquid outlet.

Preferably, the surface of the stop block is provided with a dust adsorption layer, and the dust adsorption layer does not shade the liquid outlet.

Through adopting above-mentioned technical scheme, adsorb the granule in the flue gas through the dust adsorbed layer, reduce the quantity that the granule got into in the desulfurization equipment.

Preferably, the meshes of each layer of filter screen are continuously reduced from one side to the other side.

By adopting the technical scheme, the flue gas separator is continuously reduced from outside to inside, so that particulate matters in flue gas with different sizes are conveniently isolated.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The boiler desulfurization dust collector of the application carries out dust collection treatment on the flue gas, can reduce the content of dust and the like before the flue gas enters into desulfurization equipment, and is beneficial to subsequent desulfurization work; the dust is isolated or adsorbed through the filter screen, the dust adsorption part and the like, and the operation is simple.

2. The components for filtering dust and the like in the boiler desulfurization dust removal device are convenient to replace and clean, the dust screen can be directly rotated, detached and cleaned, and the dust screen can be repeatedly cleaned, so that the boiler desulfurization dust removal device is more durable; when dust in the air inlet channel is accumulated too much, cleaning liquid can be conveyed to the front end filter assembly through the liquid inlet pipe for cleaning, and the cleaning liquid can be directly poured out after the cleaning is finished, so that the operation is convenient.

Drawings

Fig. 1 is an overall perspective view of the present application.

Fig. 2 is a perspective view of the front end filter apparatus of the present application.

Fig. 3 is a cross-sectional view of the front end filter apparatus of the present application.

Fig. 4 is a cross-sectional view of the connection of the lateral connection layer and the housing of the present application.

Reference numerals illustrate: 1. a desulfurization device; 2. front end filtering equipment; 3. a filter assembly; 301. a filter screen; 302. a connection layer; 303. a connection part; 304. a liquid outlet; 4. an isolation chamber; 5. a dust absorbing member; 501. a water inlet pipe; 502. a stop block; 6. a housing; 7. an air intake passage; 8. an air inlet; 9. an air outlet; 10. an observation window; 11. a discharge port; 12. a connecting cavity; 13. a liquid outlet; 14. a booster pump; 15. a dust adsorption layer.

Detailed Description

The application is described in further detail below with reference to fig. 1-4.

The embodiment of the application discloses a boiler desulfurization dust removal device.

Referring to fig. 1 and 3, the boiler desulfurization dust removing device comprises a front end filter device 2 installed at an input port of a desulfurization device 1, the front end filter device 2 comprises a filter assembly 3 with a function of collecting dust particles, the filter assembly 3 comprises a plurality of filter screens 301 and a connecting layer 302, the connecting layer 302 is arranged between two adjacent filter screens 301, the filter screens 301 are tightly attached to the connecting layer 302, an isolation cavity 4 is formed between the filter screens 301, the isolation cavity 4 is provided with a dust absorption part 5, and one end of the dust absorption part 5 is arranged on the connecting layer 302.

Referring to fig. 2 and 3, the front-end filtering apparatus 2 further includes a housing 6, an air intake passage 7 is formed in the housing 6, and the filtering component 3 is disposed in the air intake passage 7; the shell 6 is provided with an air inlet 8 and a plurality of air outlets 9, and the air inlet 8 and the air outlets 9 are communicated with the air inlet channel 7; the housing 6 is provided with an observation window 10 for observing the intake passage 7.

Wherein, when the installation, can install shell 6 in the delivery outlet of desulfurization equipment 1, the mounting means of shell 6 is not limited, can dismantle can, and the junction of shell 6 and desulfurization equipment 1 sets up the sealing washer, and the size shape of shell 6 is not limited, can design according to the actual use condition.

The flue gas is conveyed through the air inlet 8, filtered through the inside of the air inlet channel 7 and discharged into the desulfurization device 1 through the air outlet 9.

Referring to fig. 4, a discharge port 11 is provided at the bottom of the housing 6, and one end of the dust absorbing member 5 extends to the outside environment through the discharge port 11, and the dust absorbing member 5 seals the discharge port 11.

Referring to fig. 3, a filter screen 301 is a multi-layer metal sintering screen, heat insulation paint is arranged on the surface of the filter screen 301, an annular connecting portion 303 is arranged on the outer side of the filter screen 301, the annular connecting portion 303 is in threaded engagement in front-end filter equipment 2, and the annular connecting portion 303 can be detached and installed by rotating.

Wherein, the surface of annular connecting portion 303 is provided with the external screw thread, and the vertical cross-section of the inlet channel 7 of shell 6 is circular, and the inner wall of inlet channel 7 sets up the screw thread section, and the screw thread on the screw thread section is the internal screw thread, and annular connecting portion 303 sets up in inlet channel 7 back through the screw thread meshing.

Referring to fig. 4, the connection layer 302 is made of a high-temperature resistant colloid material such as a Peng silicone rubber, is more durable, and a connection cavity 12 is arranged in the connection layer 302; a plurality of liquid drain ports 304 are arranged on the connecting layer 302; and the connecting layer 302 has certain elasticity, once dust is adsorbed, the dust on the connecting layer 302 can be removed by vibration airflow and the like, and the subsequent cleaning work of the dust is simpler.

Referring to fig. 1 and 4, the dust absorbing member 5 includes a water inlet pipe 501 and a block 502, the block 502 is connected with the water inlet pipe 501, a plurality of liquid outlets 13 are arranged on the block 502, and the liquid outlets 13 are communicated with the inside of the water inlet pipe 501; the water inlet pipe 501 is connected to the booster pump 14.

The water inlet pipe 501, the stop 502, and the connection layer 302 may be made of the same plastic material and may be an integral structure.

Wherein, the cleaning liquid outside, mainly water, is transported upwards through the water inlet pipe under the action of the booster pump 14.

Referring to fig. 3, the surface of the stopper 502 is provided with a dust adsorption layer 15, and the dust adsorption layer 15 does not block the liquid outlet 13.

Wherein the dust adsorption layer 15 is a high-temperature-resistant sponge, and particles in the flue gas can be adhered to the sponge.

Referring to fig. 3, the meshes of each layer of filter screen 301 are continuously reduced from one side to the other side, and the meshes of the filter screen 301 closer to the desulfurization device are smaller, and the filter screen 301 closest to the desulfurization device 1 has a structure that the meshes can be 1 micron or 3 microns, and the like, so that dust particles in the flue gas can be conveniently isolated.

The embodiment of the application relates to a boiler desulfurization dust removal device, which comprises the following implementation principles: after the front-end filter equipment 2 is arranged on the desulfurization equipment 1, flue gas to be desulfurized is discharged into the air inlet channel 7 in a mode of an exhaust pipe and the like, the flue gas is filtered and adsorbed through the filter screen 301 and the dust adsorption piece 5 in the air inlet channel 7, particles in the flue gas are isolated through the filter screens 301 with different sizes, and the particles are stored in the isolation cavity 4.

After the gas transmission work is completed, the front-end filtering device 2 can be disassembled, then external cleaning liquid can be conveyed to the water inlet pipe 501 through the booster pump 14, then the cleaning liquid is discharged into the gas inlet channel 7 through the liquid outlet 304 and the liquid outlet 13, the filter screen 301 and other structures in the gas inlet channel 7 are cleaned, and after the cleaning is completed, one end of the gas inlet 8 faces to the cleaning liquid and is poured out, so that the cleaning work is completed.

The filter screen 301 can be rotationally detached, and the filter screen is reinstalled after cleaning, so that the operation is simple.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (8)

1. The utility model provides a boiler desulfurization dust collector, includes front end filtration equipment (2) of installing at the input port of desulfurization equipment (1), its characterized in that: front end filtration equipment (2) is including having filter component (3) that collect the smoke and dust granule, filter component (3) are including many detachable filter screen (301) and tie coat (302), tie coat (302) set up between two adjacent filter screens (301), hug closely between filter screen (301) and tie coat (302), be formed with between filter screen (301) and keep apart chamber (4), keep apart chamber (4) are provided with dust absorption spare (5) that have clean function, and the one end setting of dust absorption spare (5) is at tie coat (302).

2. The boiler desulfurization dust removing device according to claim 1, characterized in that: the front-end filtering equipment (2) further comprises a shell (6), an air inlet channel (7) is formed in the shell (6), and the filtering component (3) is arranged in the air inlet channel (7); an air inlet (8) and a plurality of air outlets (9) are arranged on the shell (6), and the air inlet (8) and the air outlets (9) are communicated with the air inlet channel (7); an observation window (10) for observing the air inlet channel (7) is arranged on the shell (6).

3. The desulfurization and dust removal device for a boiler according to claim 2, wherein: the bottom of the shell (6) is provided with a discharge hole (11), and one end of the dust absorption part (5) penetrates through the discharge hole (11) to extend to the external environment.

4. The boiler desulfurization dust removing device according to claim 1, characterized in that: the filter screen (301) is a multilayer metal sintering screen, an annular connecting part (303) is arranged on the outer side of the filter screen (301), and the annular connecting part (303) is in threaded engagement in the front-end filter equipment (2).

5. The boiler desulfurization dust removing device according to claim 1, characterized in that: the connecting layer (302) is made of a colloid material, and a connecting inner cavity (12) is arranged in the connecting layer (302); the connection layer (302) is provided with a plurality of liquid discharge ports (304).

6. The boiler desulfurization dust removing device according to claim 1, characterized in that: the dust absorption part (5) comprises a water inlet pipe (501) and a stop block (502), the stop block (502) is connected with the water inlet pipe (501), a plurality of liquid outlets (13) are formed in the stop block (502), and the liquid outlets (13) are communicated with the inside of the water inlet pipe (501); the water inlet pipe (501) is connected with the booster pump (14).

7. The desulfurization and dust removal device for a boiler according to claim 6, wherein: the surface of dog (502) is provided with dust adsorbed layer (15), and liquid outlet (13) is not sheltered from to dust adsorbed layer (15).

8. The boiler desulfurization dust removing device according to claim 1, characterized in that: the meshes of each layer of filter screen (301) are continuously reduced from one side to the other side.