CN221601594U - A flue gas pretreatment device for a desulfurization tower - Google Patents

Abstract

The utility model relates to the technical field of flue gas pretreatment, in particular to a flue gas pretreatment device of a desulfurizing tower, which comprises a treatment chamber, an air inlet pipe and an exhaust fan, wherein the bottom of one end of the treatment chamber is fixedly connected with the air inlet pipe close to the edge, the inside of the air inlet pipe is fixedly connected with an air inlet fan, the inside of the treatment chamber is fixedly connected with a vertically arranged partition plate, the top end and the side wall of the inside of the treatment chamber are fixedly connected with a filter screen, the top end of the partition plate is fixedly connected with an air outlet pipe, one end of the air outlet pipe, which is far away from the partition plate, is fixedly connected with a straight pipe, and one end of the straight pipe, which is far away from the air plate, is fixedly connected with a cage.

Description

Flue gas pretreatment device of desulfurizing tower

Technical Field

The utility model relates to the technical field of flue gas pretreatment, in particular to a flue gas pretreatment device of a desulfurizing tower.

Background

The flue gas pretreatment is the first step of the desulfurization tower process flow, and before entering the absorption tower, the flue gas is subjected to pretreatment to remove particles and harmful substances in the flue gas, and the solid particles in the flue gas are removed to ensure the effect of subsequent treatment.

The existing flue gas pretreatment equipment is mostly sprayed by lime water to remove dust from flue gas, the lime water after dust removal can be put into next use after purification treatment, the flue gas is more troublesome, the flue gas is dried only by single-stage equipment, and the effect of drying treatment is poor when the flue gas is used for a long time or the flue gas amount is large, so that the flue gas pretreatment device of the desulfurizing tower is provided for the problems.

Disclosure of utility model

The utility model aims to provide a flue gas pretreatment device of a desulfurizing tower, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a flue gas preprocessing device of desulfurizing tower, includes treatment chamber, air-supply line, air inlet machine, exhaust pipe and exhaust fan, treatment chamber one end bottom is close to edge fixedly connected with air-supply line, the inside fixedly connected with air inlet machine of air-supply line, the inside fixedly connected with vertical arrangement's of treatment chamber baffle, inside top and the lateral wall fixedly connected with filter screen of treatment chamber, treatment chamber bottom fixedly connected with blow off pipe, blow off pipe bottom outside threaded connection has the blanking cap, baffle top fixedly connected with outlet duct, the one end fixedly connected with gas tray of baffle is kept away from to the outlet duct, gas tray bottom fixedly connected with straight tube, the one end fixedly connected with halter of gas tray is kept away from to the straight tube.

Preferably, baffle top fixedly connected with connecting pipe, the terminal fixedly connected with baffle of connecting pipe, baffle one end fixedly connected with defroster, baffle one end is located defroster top fixedly connected with hole board, the inside gas pocket that is equipped with of hole board, the one end bottom fixedly connected with waste pipe of air-supply line is kept away from to the treatment chamber, the terminal fixedly connected with valve of waste pipe, treatment chamber top right side fixedly connected with filling pipe, the inside rubber buffer that is equipped with of filling pipe, the treatment chamber top is located filling pipe right side fixedly connected with exhaust pipe, the inside fixedly connected with exhaust fan of exhaust pipe.

Preferably, the number of the filter screens is two, and the filter screens are arranged in an inclined mode inside the processing chamber.

Preferably, the number of the straight pipes is several, and the straight pipes are arranged at the bottom end of the air disc in a matrix mode.

Preferably, the connecting pipe is vertical, the top and the baffle fixed connection of connecting pipe, the bottom and the baffle fixed connection of connecting pipe.

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

1. according to the utility model, through the arranged partition plate, the filter screen, the blow-off pipe and the blocking cover, the flue gas can be subjected to primary filtration and the filtered impurities can be removed, when the obliquely arranged filter screen filters the flue gas, solid particles can slide down to the bottom of the treatment chamber on the surface of the filter screen, and the impurities can be cleaned through the blow-off pipe;

2. According to the utility model, through the arranged air outlet pipe, the air tray, the straight pipe and the headstock, the flue gas subjected to preliminary filtration by the filter screen can be subjected to bubbling technology to remove tiny particles in the flue gas, so that solid particles in the flue gas can not reach the subsequent procedures, and the desulfurization is influenced;

3. According to the utility model, through the demister, the hole plate and the exhaust pipe, the flue gas after dust removal can be dried, the demister can remove water vapor in the flue gas, the flue gas is dried, the activated carbon is arranged above the hole plate, and the flue gas after the demister is dried can be subjected to secondary drying of the activated carbon, so that incomplete drying of the demister is prevented.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic top half-sectional view of the overall structure of the present utility model.

In the figure: 1. a processing chamber; 2. an air inlet pipe; 3. a wind inlet machine; 4. a partition plate; 5. a filter screen; 6. an air outlet pipe; 7. an air tray; 8. a straight pipe; 9. a cage; 10. a blow-down pipe; 11. a blanking cover; 12. a connecting pipe; 13. a demister; 14. a waste pipe; 15. a valve; 16. a hole plate; 17. air holes; 18. a filling pipe; 19. a rubber stopper; 20. an exhaust pipe; 21. an exhaust fan; 22. and a baffle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.

Referring to fig. 1-2, the present utility model provides a technical solution:

the utility model provides a flue gas preprocessing device of desulfurizing tower, which comprises a processing chamber 1, the air-supply line 2, air inlet machine 3, exhaust pipe 20 and exhaust fan 21, processing chamber 1 one end bottom is close to edge fixedly connected with air-supply line 2, the inside fixedly connected with air inlet machine 3 of air-supply line 2, processing chamber 1 inside fixedly connected with vertically arranged's baffle 4, processing chamber 1 inside top and lateral wall fixedly connected with filter screen 5, processing chamber 1 bottom fixedly connected with blow off pipe 10, blow off pipe 10 bottom outside threaded connection blanking cap 11, baffle 4 top fixedly connected with outlet duct 6, the one end fixedly connected with gas dish 7 of baffle 4 is kept away from to outlet duct 6, gas dish 7 bottom fixedly connected with straight tube 8, the one end fixedly connected with cage 9 of gas dish 7 is kept away from to straight tube 8.

The top end of the partition plate 4 is fixedly connected with a connecting pipe 12, the tail end of the connecting pipe 12 is fixedly connected with a baffle 22, one end of the baffle 22 is fixedly connected with a demister 13, one end of the baffle 22 is positioned above the demister 13 and fixedly connected with a hole plate 16, an air hole 17 is formed in the hole plate 16, a waste water pipe 14 is fixedly connected to the bottom of one end of the treatment chamber 1 far away from the air inlet pipe 2, a valve 15 is fixedly connected to the tail end of the waste water pipe 14, a filling pipe 18 is fixedly connected to the right side of the top end of the treatment chamber 1, a rubber plug 19 is arranged in the filling pipe 18, an exhaust pipe 20 is fixedly connected to the right side of the filling pipe 18 at the top end of the treatment chamber 1, and an exhaust fan 21 is fixedly connected to the inside of the exhaust pipe 20; the number of the filter screens 5 is two, and the filter screens are obliquely arranged in the treatment chamber 1; the number of the straight pipes 8 is several, and the straight pipes are arranged at the bottom end of the air disc 7 in a matrix manner; the connecting pipe 12 is vertically arranged, the top end of the connecting pipe 12 is fixedly connected with the partition plate 4, and the bottom end of the connecting pipe 12 is fixedly connected with the baffle 22.

The working flow is as follows: before the equipment is used, an external power supply supplies power to the air inlet machine 3 and the exhaust fan 21, flue gas enters the processing chamber 1 from the air inlet pipe 2 under the action of the air inlet machine 3, the flue gas firstly passes through the filter screen 5, the filter screen 5 is obliquely arranged, the area for filtering the flue gas can be increased, meanwhile, after the obliquely arranged filter screen 5 filters the flue gas, filtered solid particles can directly fall to the bottom of the processing chamber 1, after a certain amount of particles are accumulated, the blocking cover 11 is taken off from the blow-off pipe 10, the particles can be discharged to the outside of the processing chamber 1 through the blow-off pipe 10, the flue gas filtered by the filter screen 5 reaches the air disc 7 through the air outlet pipe 6, reaches the cage head 9 through the straight pipe 8 at the bottom end of the air disc 7, due to the supercharging effect of the air inlet machine 3, the flue gas can be discharged from the cage head 9, two partition boards 4 can form a closed space, a certain amount of water is stored in the inner part, the cage head 9 is immersed in water, when the flue gas is discharged from the tap 9, small bubbles are formed in water, tiny particles can be directly dissolved in the water or fall to the bottom, secondary filtration of the flue gas is achieved, some tiny particles can be filtered out, the filtered flue gas can reach the lower part of the demister 13 through the connecting pipe 12, the baffle 22 has a fixing effect on the demister 13, meanwhile, a space is enclosed by the treatment chamber 1 and the hole plate 16, active carbon is contained in the space of the enclosed, the flue gas reaching the lower part of the demister 13 can pass through the demister 13 under the suction force of the exhaust fan 21, the flue gas reaches an active carbon drying area through the air hole 17 in the hole plate 16, the flue gas can be discharged from the treatment chamber 1 through the exhaust pipe 20 after the active carbon is used for a period of time, the flue gas can be taken out of the rubber plug 19 in the filling pipe 18, and then the active carbon is taken out for replacement, the water removed by the demister 13 falls below the demister 13, and the wastewater can be discharged through the wastewater pipe 14 and the valve 15, and when the wastewater is not required to be discharged, the valve 15 is closed.

What is not described in detail in this specification is prior art known to those skilled in the art. Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a flue gas preprocessing device of desulfurizing tower, includes treatment room (1), air-supply line (2), air inlet machine (3), exhaust pipe (20) and exhaust fan (21), its characterized in that: the utility model provides a processing chamber (1) one end bottom is close to edge fixedly connected with air-supply line (2), inside fixedly connected with air inlet machine (3) of air-supply line (2), inside fixedly connected with vertical arrangement's of processing chamber (1 baffle (4), inside top and lateral wall fixedly connected with filter screen (5) of processing chamber (1), processing chamber (1) bottom fixedly connected with blow off pipe (10), blow off pipe (10) bottom outside threaded connection has blanking cap (11), baffle (4) top fixedly connected with outlet duct (6), one end fixedly connected with gas dish (7) of baffle (4) are kept away from to outlet duct (6), one end fixedly connected with straight tube (8) of gas dish (7) bottom fixedly connected with, one end fixedly connected with head (9) of gas dish (7) are kept away from to straight tube (8).

2. The flue gas pretreatment device of a desulfurizing tower according to claim 1, wherein: baffle (4) top fixedly connected with connecting pipe (12), connecting pipe (12) end fixedly connected with baffle (22), baffle (22) one end fixedly connected with defroster (13), baffle (22) one end is located defroster (13) top fixedly connected with hole board (16), hole board (16) inside is equipped with gas pocket (17), one end bottom fixedly connected with waste pipe (14) of air-supply line (2) is kept away from in treatment chamber (1), waste pipe (14) end fixedly connected with valve (15), treatment chamber (1) top right side fixedly connected with filling pipe (18), inside rubber buffer (19) that is equipped with of filling pipe (18), treatment chamber (1) top is located filling pipe (18) right side fixedly connected with exhaust pipe (20), exhaust pipe (20) inside fixedly connected with exhaust fan (21).

3. The flue gas pretreatment device of a desulfurizing tower according to claim 1, wherein: the number of the filter screens (5) is two, and the filter screens are arranged in an inclined mode inside the treatment chamber (1).

4. The flue gas pretreatment device of a desulfurizing tower according to claim 1, wherein: the number of the straight pipes (8) is several, and the straight pipes are arranged at the bottom end of the air disc (7) in a matrix mode.

5. The flue gas pretreatment device of a desulfurizing tower according to claim 2, wherein: the connecting pipe (12) is vertically arranged, the top end of the connecting pipe (12) is fixedly connected with the partition board (4), and the bottom end of the connecting pipe (12) is fixedly connected with the baffle (22).