CN216572178U

CN216572178U - Dust removal device for boiler flue gas purification treatment

Info

Publication number: CN216572178U
Application number: CN202122521436.3U
Authority: CN
Inventors: 王喆; 徐德勤; 王海彬; 王越; 王浩羽; 王刚; 王晓东; 白杨; 高峰; 张博
Original assignee: Dalian Power Plant of Huaneng International Power Co Ltd
Current assignee: Dalian Power Plant of Huaneng International Power Co Ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-05-24
Anticipated expiration: 2031-10-20

Abstract

The utility model provides a dust removal device for boiler flue gas purification treatment, which comprises a dust removal box, wherein a funnel is welded at an opening at the bottom of the dust removal box, the bottom of the funnel is connected with a first water pump through a pipeline, the water outlet end of the first water pump is connected with a purification water tank through a pipeline, one side of the purification water tank, which is far away from the first water pump, is connected with a water storage tank through a pipeline, the rear part of the water storage tank is connected with a second water pump through a pipeline, and the water outlet end of the second water pump is connected with the water inlet end of a high-pressure spray nozzle through a water guide pipe; the inboard of purified water tank installs in proper order and keeps off net, first active carbon filter screen and second active carbon filter screen, keep off the fixed setting on the mount pad in the upper and lower both sides of net, first active carbon filter screen and second active carbon filter screen, every the mount pad all links to each other with purified water tank's inside wall. The device purifies sewage through keeping off net, first active carbon filter screen and second active carbon filter screen, then realizes cyclic utilization, the water resource of saving through two water pumps.

Description

Dust removal device for boiler flue gas purification treatment

Technical Field

The utility model mainly relates to the technical field of flue gas of power plants, in particular to a dust removal device for purifying boiler flue gas.

Background

A large amount of smoke can be produced in the operation process of a boiler of a thermal power plant, the smoke of the boiler contains a lot of tiny granular dust, and if the smoke is directly discharged to the atmosphere, the smoke can seriously pollute the air and cause respiratory diseases of people, so that the smoke of the boiler needs to be dedusted before being discharged to the air.

For example, patent with application number CN201922406940.1, including the base of discharging fume, the bottom fixedly connected with who discharges fume the base advances the tobacco pipe, and there is the dust removal pipe at the top of the base of discharging fume through bolted connection, and the bottom fixedly connected with guide plate of dust removal inside pipe wall, the center at guide plate top is opened chisel and is had the through-hole, and the both ends in the dust removal outside of managing just are located the equal fixedly connected with drain pipe in the top of guide plate. Although the device has improved the dust removal effect to the boiler flue gas, but need consume a large amount of water and remove dust, increased the waste of water, consequently need a dust collector that can carry out recycle to sewage, improve the utilization ratio of water.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a dust removal device for boiler flue gas purification treatment, which is used for solving the technical problems in the background technology.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

a dust removal device for boiler flue gas purification treatment comprises a dust removal box, wherein a funnel is welded at an opening at the bottom of the dust removal box, the bottom of the funnel is connected with a first water pump through a pipeline, the water outlet end of the first water pump is connected with a purification water tank through a pipeline, one side, away from the first water pump, of the purification water tank is connected with a water storage tank through a pipeline, the rear part of the water storage tank is connected with a second water pump through a pipeline, and the water outlet end of the second water pump is connected with the water inlet end of a high-pressure spray nozzle through a water guide pipe;

the inboard of purified water tank installs in proper order and keeps off net, first active carbon filter screen and second active carbon filter screen, keep off the fixed setting on the mount pad in the upper and lower both sides of net, first active carbon filter screen and second active carbon filter screen, every the mount pad all links to each other with purified water tank's inside wall.

Further, dust removal case one side level is provided with into the tobacco pipe, it is provided with the axis of rotation perpendicularly to advance tobacco pipe one side, axis of rotation outside equidistance is provided with a plurality of blade, the axis of rotation upper end is connected with the interior roof center department of dust removal case, just the lower extreme of axis of rotation and the upper surface connection of first filter screen, first filter screen level sets up the junction at dust removal case and funnel.

Furthermore, the high-pressure spray heads are arranged in the dust removal box symmetrically and respectively, and the top ends of the two high-pressure spray heads are connected with water guide pipes.

Furthermore, a throttle valve is arranged on the outer wall of the pipeline between the purified water tank and the water storage tank.

Furthermore, dust removal case one side is provided with the pipe of discharging fume, the pipe of discharging fume is L type shape, it is provided with the second filter screen to discharge fume the pipe and be located dust removal incasement portion one side.

Furthermore, the bottom of the funnel is provided with an electromagnetic valve.

Further, a water filling port is arranged at the center of the top end of the water storage tank, a sealing cover is arranged on the water filling port, and the water filling port is connected with the sealing cover through threads.

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

according to the utility model, sewage is pumped into the purification chamber through the first water pump, larger particles are blocked through the arranged baffle net, and fine particles in the water are adsorbed through the first activated carbon filter screen and the second activated carbon filter screen, so that the purification of the sewage is realized, the utilization rate of the water is improved, and the water resource is saved.

The present invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a view of the internal structure of the dust box and hopper of the present invention;

fig. 3 is a schematic view of the interior of the clean room of the present invention.

In the figure: 1. a dust removal box; 11. a funnel; 12. an electromagnetic valve; 2. a smoke inlet pipe; 3. a smoke exhaust pipe; 31. a second filter screen; 4. a rotating shaft; 41. a blade; 5. a high pressure spray head; 6. a water conduit; 7. a first filter screen; 8. a purified water tank; 81. a first water pump; 82. a throttle valve; 83. blocking the net; 84. a first activated carbon filter screen; 85. a second activated carbon filter screen; 86. a mounting seat; 9. a water storage tank; 91. a second water pump; 92. a water filling port; 93. and (7) sealing the cover.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1 and fig. 3 heavily, a dust removing device for boiler flue gas purification treatment comprises a dust removing box 1, a funnel 11 is welded at an opening at the bottom of the dust removing box 1, an electromagnetic valve 12 is arranged at the bottom of the funnel 11, the bottom of the funnel 11 is connected with a first water pump 81 through a pipeline, a water outlet end of the first water pump 81 is connected with a purified water tank 8 through a pipeline, a baffle net 83, a first activated carbon filter screen 84 and a second activated carbon filter screen 85 are sequentially installed at the inner side of the purified water tank 8, the upper and lower sides of the baffle net 83, the first activated carbon filter screen 84 and the second activated carbon filter screen 85 are fixedly arranged on a mounting seat 86, and each mounting seat 86 is connected with the inner side wall of the purified water tank 8. One side of the purified water tank 8, which is far away from the first water pump 81, is connected with a water storage tank 9 through a pipeline, a throttle valve 82 is installed on the outer wall of the pipeline between the purified water tank 8 and the water storage tank 9, the rear part of the water storage tank 9 is connected with a second water pump 91 through a pipeline, a water filling port 92 is arranged at the center of the top end of the water storage tank 9, a sealing cover 93 is arranged on the water filling port 92, and the water filling port 92 is in threaded connection with the sealing cover 93. Through establishing first water pump 81 with sewage send into purified water tank 8, through the second water pump 91 with the water in the storage water tank 9 send into high pressure nozzle 5, be used for blockking great particulate matter through the fender net 83 that sets up, adsorb the fine particle etc. of aquatic through first active carbon filter screen 84 and second active carbon filter screen 85, realize the purification and the cyclic utilization of sewage.

The water outlet end of the second water pump 91 is connected with the water inlet end of the high-pressure spray nozzle 5 through the water guide pipe 6, the high-pressure spray nozzles 5 are symmetrically arranged inside the dust removing box 1, and the top ends of the high-pressure spray nozzles 5 are connected with the water guide pipe 6. Dust removal case 1 one side level is provided with into tobacco pipe 2, it is provided with axis of rotation 4 perpendicularly to advance 2 one sides of tobacco pipe, 4 outside equidistance of axis of rotation are provided with a plurality of

blade

41, 4 upper ends of axis of rotation are connected with the interior roof center department of dust removal case 1, just the lower extreme of axis of rotation 4 and the upper surface connection of filter screen 7, the filter screen 7 level sets up the junction at dust removal case 1 and funnel 11. Dust removal case 1 one side is provided with the pipe 3 of discharging fume, the pipe 3 of discharging fume is L type shape, the pipe 3 of discharging fume is located dust removal case 1 inside one side and is provided with second filter screen 31. The flue gas is decelerated through the rotating shaft 4 and the blades 41, the high-pressure spray head 5 is convenient to remove dust, and the second filter screen 31 is used for filtering the flue gas after dust removal for the second time.

The specific operation mode of the utility model is as follows:

during the use, the flue gas is in advancing among the tobacco pipe 2 entering dust removal case 1, the flue gas that flows drives blade 41 and rotates and slow down it, high pressure nozzle 5 removes dust to the flue gas with water blowout, sewage falls into funnel 11 under the effect of gravity in, solenoid valve 12 and first water pump 81 start, sewage gets into in the purified water tank 8, filter great granule through keeping off net 83, fine granule and peculiar smell are filtered to first active carbon filter screen 84 and second active carbon filter screen 85, choke valve 82 opens and send water into in the storage water tank 9, water in the storage water tank 9 gets into in high pressure nozzle 5 through second water pump 91, realize purification and cyclic utilization of sewage.

The utility model is described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the above-described embodiments, and it is within the scope of the utility model to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.

Claims

1. The utility model provides a boiler flue gas purification treatment's dust collector, including dust removal case (1), its characterized in that: the dust removal device is characterized in that a funnel (11) is welded at an opening at the bottom of the dust removal box (1), the bottom of the funnel (11) is connected with a first water pump (81) through a pipeline, the water outlet end of the first water pump (81) is connected with a purified water tank (8) through a pipeline, one side, far away from the first water pump (81), of the purified water tank (8) is connected with a water storage tank (9) through a pipeline, the rear of the water storage tank (9) is connected with a second water pump (91) through a pipeline, and the water outlet end of the second water pump (91) is connected with the water inlet end of the high-pressure spray head (5) through a water guide pipe (6);

the inboard of purified water tank (8) is installed in proper order and is kept off net (83), first active carbon filter screen (84) and second active carbon filter screen (85), keep off the upper and lower both sides fixed setting on mount pad (86) of net (83), first active carbon filter screen (84) and second active carbon filter screen (85), every mount pad (86) all link to each other with the inside wall of purified water tank (8).

2. The dust removing device for the boiler flue gas purification treatment according to claim 1, wherein: dust removal case (1) one side level is provided with into tobacco pipe (2), it is provided with axis of rotation (4) perpendicularly to advance tobacco pipe (2) one side, axis of rotation (4) outside equidistance is provided with a plurality of blade (41), axis of rotation (4) upper end is located with the interior roof center of dust removal case (1) and is connected, just the lower extreme of axis of rotation (4) and the upper surface connection of first filter screen (7), first filter screen (7) level sets up the junction at dust removal case (1) and funnel (11).

3. The dust removing device for the boiler flue gas purification treatment according to claim 1, wherein: the high-pressure sprayer is characterized in that two high-pressure sprayers (5) are symmetrically arranged in the dust removal box (1) respectively, and the top ends of the two high-pressure sprayers (5) are connected with water guide pipes (6).

4. The dust removing device for the boiler flue gas purification treatment according to claim 1, wherein: and a throttle valve (82) is arranged on the outer wall of the pipeline between the purified water tank (8) and the water storage tank (9).

5. The dust removing device for the boiler flue gas purification treatment according to claim 1, wherein: dust removal case (1) one side is provided with tub (3) of discharging fume, tub (3) of discharging fume is L type shape, tub (3) of discharging fume is located dust removal case (1) inside one side and is provided with second filter screen (31).

6. The dust removing device for the boiler flue gas purification treatment according to claim 1, wherein: the bottom of the funnel (11) is provided with an electromagnetic valve (12).

7. The dust removing device for the boiler flue gas purification treatment according to claim 1, wherein: a water filling port (92) is arranged at the center of the top end of the water storage tank (9), a sealing cover (93) is arranged on the water filling port (92), and the water filling port (92) is connected with the sealing cover (93) through threads.