CN216062676U

CN216062676U - Multi-stage desulfurization and denitrification chimney

Info

Publication number: CN216062676U
Application number: CN202122258141.1U
Authority: CN
Inventors: 宋文荣; 孟飞
Original assignee: Jiangsu Jiajin Construction Engineering Co ltd
Current assignee: Jiangsu Jiajin Construction Engineering Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-03-18
Anticipated expiration: 2031-09-17

Abstract

The utility model discloses a multi-stage desulfurization and denitrification chimney which comprises a chimney body and a filter box, wherein the chimney body is arranged on a base, the bottom of one side of the chimney body is connected with a smoke inlet pipeline, a first spray box is connected with a second spray box through a support rod, the second spray box is fixedly connected with the inner wall of the chimney body, the filter box is arranged at the top of one side of the chimney body, and active carbon filter screens are arranged in the filter box at equal intervals. This multistage SOx/NOx control chimney is provided with first spraying box, the second sprays the case, first spraying box and second spray the shower head of bottom of the case portion and can be in proper order with the flue gas that absorbs the liquid and spout in the chimney main part, thereby be convenient for make flue gas and absorption liquid fully contact, be provided with porous flow distribution plate and drainage plate simultaneously, porous flow distribution plate and drainage plate can play the effect of dispersion flue gas and drainage flue gas respectively, thereby be convenient for further promote the contact of flue gas and absorption liquid, and then be convenient for improve the SOx/NOx control effect of device.

Description

Multi-stage desulfurization and denitrification chimney

Technical Field

The utility model relates to the technical field of desulfurization and denitrification, in particular to a multi-stage desulfurization and denitrification chimney.

Background

Desulfurization and denitrification are one of important technical measures for preventing and treating air pollution, wherein desulfurization is to remove SO2 (sulfur dioxide) in flue gas, denitrification is to remove NOx (nitrogen oxide) in flue gas, the two substances can form acid rain when entering the atmosphere, the acid rain has great harm to human beings, and mass search shows that the typical gas filtering device of the desulfurization and denitrification device in the prior art, such as the publication number CN209123671U, which is used for facilitating replacement in the desulfurization and denitrification chimney, comprises a chimney air inlet shell, a chimney middle filtering shell and a chimney exhaust shell, the chimney middle filtering shell is arranged below the chimney exhaust shell, and a chimney air inlet shell is arranged below the middle filter shell of the chimney, an exhaust port is arranged at one port of the chimney exhaust shell, the outer surface of the other port of the chimney exhaust shell is provided with a first water retaining top plate, and the bottom surface of the first water retaining top plate is provided with a first positioning groove. Its key feature is when the chimney damages, only need to change the part that damages the part place, and the chimney is after SOx/NOx control a period, and the box is taken out in the filtration can be more convenient change the complete desulfurization board of use, the denitration board of inside filter part, has reduced time and the cost that enterprise or individual spent on changing filter equipment.

To sum up, the current SOx/NOx control chimney appears the incomplete phenomenon of SOx/NOx control because of the filtration mode is single easily to and the most inconvenience of current SOx/NOx control chimney is cleared up the precipitate that produces, to above-mentioned problem, need improve current equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multi-stage desulfurization and denitrification chimney, which aims to solve the problems that the conventional desulfurization and denitrification chimney proposed in the background art is easy to cause incomplete desulfurization and denitrification due to a single filtering mode, and most of the conventional desulfurization and denitrification chimneys are inconvenient to clean generated precipitates.

In order to achieve the purpose, the utility model provides the following technical scheme: a multi-stage desulfurization and denitrification chimney, which comprises a chimney main body and a filter box,

the chimney main body is arranged on the base, a circulating pump is arranged in the base, a filter screen is arranged at the top of the base, the bottom of one side of the chimney main body is connected with a smoke inlet pipeline, a first spraying box is arranged in the chimney main body, the first spraying box is connected with a second spraying box through a supporting rod, the second spraying box is fixedly connected with the inner wall of the chimney main body, and the second spraying box is arranged on the outer side of the first spraying box;

the filter box sets up at one side top of chimney main part, and corresponds in the chimney main part and be provided with the air discharge fan, equidistant activated carbon filter screen that is provided with in the filter box, and seted up the exhaust hole on the filter box.

Preferably, the bottom of the other side of the chimney body is provided with a slag removal port, the slag removal port is provided with a valve, and the slag removal port and the filter screen are correspondingly arranged;

through adopting above-mentioned technical scheme, the staff of being convenient for clears up the precipitate on the filter screen.

Preferably, a porous flow distribution plate and a drainage plate are arranged in the chimney main body, and the drainage plate is arranged between the porous flow distribution plate and the first spraying box;

by adopting the technical scheme, the porous flow distribution plate is convenient for delaying the moving speed of the flue gas in the chimney main body, so that the flue gas is conveniently and fully contacted with the absorption liquid.

Preferably, spray heads are distributed at the bottoms of the first spray box and the second spray box in an annular array shape, and the first spray box and the second spray box are connected with a circulating pump through a circulating pipeline;

by adopting the technical scheme, the absorption liquid is convenient to recycle, and resources are saved.

Preferably, the activated carbon filter screen is connected with the filter box through a limiting piece, and the activated carbon filter screen is clamped in the limiting piece;

through adopting above-mentioned technical scheme, the staff of being convenient for changes the active carbon filter screen.

Compared with the prior art, the utility model has the beneficial effects that: the multi-stage desulfurization and denitrification chimney comprises a chimney body,

(1) the device is provided with a first spraying box and a second spraying box, the spraying heads at the bottoms of the first spraying box and the second spraying box can sequentially spray absorption liquid to the smoke in the chimney body, so that the smoke is in full contact with the absorption liquid, and meanwhile, the porous flow distribution plate and the drainage plate are arranged and can respectively play a role in dispersing the smoke and draining the smoke, so that the contact between the smoke and the absorption liquid is further promoted, and the desulfurization and denitrification effects of the device are further improved;

(2) the exhaust fan and the activated carbon filter screen are arranged, the exhaust fan can exhaust the sprayed flue gas into the filter box, so that the activated carbon filter screen in the filter box can be used for filtering and purifying the flue gas again, and further, the multi-stage desulfurization and denitrification can be conveniently realized, and the desulfurization and denitrification quality of the device can be further improved;

(2) be provided with filter screen and slag removal mouth, thereby the filter screen is convenient for filter the absorption liquid after spraying and is convenient for make precipitate and absorption liquid separation, and then is convenient for recycle the absorption liquid, and the slag removal mouth is convenient for the staff and clears up the precipitate, and then is convenient for optimize the structure of device.

Drawings

FIG. 1 is a schematic cross-sectional front view of the present invention;

FIG. 2 is a schematic view of the bottom structure of the first and second spray boxes according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

In the figure: 1. the chimney comprises a chimney body, 2, a base, 3, a circulating pump, 4, a filter screen, 5, a slag removal port, 6, a smoke inlet pipeline, 7, a valve, 8, a porous flow distribution plate, 9, a drainage plate, 10, a first spraying box, 11, a second spraying box, 12, a spraying head, 13, a supporting rod, 14, a circulating pipeline, 15, an active carbon filter screen, 16, a filter box, 17, a limiting part, 18 and an exhaust fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a multi-stage desulfuration and denitration chimney is disclosed, as shown in fig. 1 and fig. 2, a chimney body 1 is arranged on a base 2, a circulating pump 3 is arranged in the base 2, a filter screen 4 is arranged on the top of the base 2, a slag cleaning port 5 is arranged at the bottom of the other side of the chimney body 1, a valve 7 is arranged on the slag cleaning port 5, the valve 7 is convenient for preventing smoke from being discharged to the outside through the slag cleaning port 5, the slag cleaning port 5 is arranged corresponding to the filter screen 4, a drainage tap and a water inlet pipe are connected at the bottom of one side of the chimney body 1, a worker can discharge absorption liquid through the drainage tap, absorption liquid can be added into the chimney body 1 through the water inlet pipe, a smoke inlet pipeline 6 is connected at the bottom of one side of the chimney body 1, a porous flow distribution plate 8 and a flow guide plate 9 are arranged in the chimney body 1, the flow guide plate 9 is arranged between the porous flow distribution plate 8 and a first spray box 10, the flow guide plate 9 is convenient for guiding smoke to the lower part of the first spray box 10 to be sprayed, and be provided with first spray box 10 in the chimney main part 1, first spray box 10 sprays the case 11 through bracing piece 13 with the second and is connected, and the inner wall fixed connection of second spray box 11 and chimney main part 1, second spray box 11 sets up the outside at first spray box 10 simultaneously, the bottom of first spray box 10 and second spray box 11 all is the annular array form and distributes and have shower head 12, and first spray box 10 and second spray box 11 are connected with circulating pump 3 through circulating line 14, the spray range of device is convenient for expand to a plurality of shower heads 12, and then the spray quality of the assurance device of being convenient for is the quality of SOx/NOx control.

As shown in fig. 1 and 3, the filter box 16 is disposed on the top of one side of the chimney body 1, the chimney body 1 is correspondingly provided with the exhaust fan 18, the filter box 16 is internally provided with the activated carbon filter screens 15 at equal intervals, the activated carbon filter screens 15 are connected with the filter box 16 through the limiting part 17, the activated carbon filter screens 15 are clamped in the limiting part 17, the activated carbon filter screens 15 can be conveniently taken out from the filter box 16 by a worker for renewal, the filter box 16 is provided with exhaust holes, and the front side of the filter box 16 is connected with the sealing plate.

The working principle is as follows: when the multi-stage desulfurization and denitrification chimney is used, firstly, a power supply starting device is connected, then, the flue gas is discharged into the chimney main body 1 through the flue gas inlet pipeline 6, the flue gas entering into the chimney main body 1 is dispersed upwards through the through holes on the porous flow distribution plate 8, the dispersed flue gas moves to the lower part of the first spray box 10 under the blocking action of the flow guide plate 9, meanwhile, the circulating pump 3 extracts the absorption liquid in the base 2 into the first spray box 10 and the second spray box 11, the spray heads 12 at the bottoms of the first spray box 10 and the second spray box 11 spray the flue gas in sequence, the sprayed flue gas enters the filter box 16 under the action of the exhaust fan 18 and contacts with the active carbon filter screen 15, the flue gas is discharged to the outside through the exhaust holes after being adsorbed and filtered by the active carbon filter screen 15, and on the other hand, the absorption liquid after being sprayed and the precipitate generated by spraying fall together, the filter screen 4 is convenient for separating the absorption liquid from the sediment, the absorption liquid after separating the sediment falls into the base 2 and is conveyed into the first spraying box 10 and the second spraying box 11 for recycling under the action of the circulating pump 3, and workers can clean the sediment on the filter screen 4 through the slag removing opening 5, so that all the work is completed.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for simplicity of description only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be considered limiting of the claimed invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a multistage SOx/NOx control chimney, includes chimney main part (1) and rose box (16), its characterized in that:

the chimney is characterized in that the chimney body (1) is arranged on the base (2), a circulating pump (3) is arranged in the base (2), a filter screen (4) is arranged at the top of the base (2), a smoke inlet pipeline (6) is connected to the bottom of one side of the chimney body (1), a first spraying box (10) is arranged in the chimney body (1), the first spraying box (10) is connected with a second spraying box (11) through a support rod (13), the second spraying box (11) is fixedly connected with the inner wall of the chimney body (1), and the second spraying box (11) is arranged on the outer side of the first spraying box (10);

the chimney filter is characterized in that the filter box (16) is arranged at the top of one side of the chimney body (1), the chimney body (1) is correspondingly provided with an exhaust fan (18), the filter box (16) is internally provided with activated carbon filter screens (15) at equal intervals, and the filter box (16) is provided with exhaust holes.

2. The multi-stage desulfurization and denitrification chimney according to claim 1, characterized in that: the chimney is characterized in that a slag removal port (5) is formed in the bottom of the other side of the chimney body (1), a valve (7) is arranged on the slag removal port (5), and the slag removal port (5) corresponds to the filter screen (4).

3. The multi-stage desulfurization and denitrification chimney according to claim 1, characterized in that: the chimney is characterized in that a porous flow distribution plate (8) and a flow guide plate (9) are arranged in the chimney body (1), and the flow guide plate (9) is arranged between the porous flow distribution plate (8) and the first spraying box (10).

4. The multi-stage desulfurization and denitrification chimney according to claim 1, characterized in that: the bottom of the first spraying box (10) and the bottom of the second spraying box (11) are distributed with spraying heads (12) in an annular array shape, and the first spraying box (10) and the second spraying box (11) are connected with the circulating pump (3) through a circulating pipeline (14).

5. The multi-stage desulfurization and denitrification chimney according to claim 1, characterized in that: the active carbon filter screen (15) is connected with the filter box (16) through a limiting piece (17), and the active carbon filter screen (15) is clamped in the limiting piece (17).