Denitration, desulfurization and dust removal device convenient for collection

By designing a diversion pipe and diversion cylinder structure to increase the contact area between flue gas and reducing agent during the zinc roasting process, and by using a scraper system driven by a rotary motor to clean the inner wall of the dust collector, the problem of incomplete reaction of flue gas was solved, achieving efficient denitrification, desulfurization and dust collection.

CN223800324UActive Publication Date: 2026-01-16KAIFENG YONGPING IND & TRADE CO LTD
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Patent Information

Application Number
CN202520383165.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-05
Publication Date
2026-01-16
Estimated Expiration
2035-03-05

AI Technical Summary

Technical Problem

In existing technologies, during the desulfurization and denitrification treatment of flue gas generated in the zinc roasting process, some of the gas is discharged directly without reacting with the reducing agent, resulting in air pollution.

Method used

A denitrification, desulfurization and dust removal device that is easy to collect was designed. The structure of the diversion pipe and diversion cylinder increases the contact area between the flue gas and the reducing agent. The inner wall of the dust collection box is cleaned by a screw rod driven by a rotary motor and a scraper system to ensure that the gas is discharged after complete reaction.

Benefits of technology

It improves the treatment effect of flue gas denitrification and desulfurization, ensures that the gas is discharged after complete reaction, reduces air pollution, and achieves effective collection of dust and foreign matter.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a denitration desulfurization dust removal device convenient to collect, which comprises a dust removal box, the front side of the dust removal box is fixedly connected with an air inlet pipe, the top end of the air inlet pipe is fixedly connected with a shunt pipe, the top of the dust removal box is provided with a treatment cavity, and the inner wall of the treatment cavity is fixedly connected with a connecting pipe. The end, away from the flow dividing pipe, of the connecting pipe is fixedly connected with a flow dividing barrel, and flow dividing holes are formed in the surface of the flow dividing barrel. By starting the pump body, a reducing agent in the box body connected with the guide pipe is pumped into the bent pipe and conveyed into the treatment cavity, and filtered flue gas enters the flow dividing pipe through the gas inlet pipe and enters the flow dividing barrel through the connecting pipe, so that the flue gas reacts with the reducing agent in the treatment cavity, and the denitration and desulfurization treatment of the flue gas is realized. And the flue gas is discharged from the shunting holes, and is discharged in a bubble form through multiple shunting effects of the shunting barrel and the shunting holes, so that the contact area with a reducing agent is increased, and the treatment effect is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of zinc calcine production, and specifically relates to a denitration and desulfurization dust removal device convenient to collect. BACKGROUND

[0002] Zinc calcine is a product obtained after roasting of zinc concentrate, and mainly comprises zinc oxide and zinc sulfate, and contains a small amount of zinc sulfide and other impurities. It usually appears as a brownish micro-particle solid and is one of the main raw materials for zinc smelting. In the production process of zinc calcine, a large amount of flue gas is generated. In order to reduce air pollution, the flue gas needs to be treated before being discharged.

[0003] According to the utility model discloses a kind of desulfurization denitration dust removal devices convenient to collect, user opens fan by controller, gas is delivered to dust removal box, at this time user opens water pump by controller, water pump is delivered to intercommunication frame in installation box in reducing agent, so that intercommunication frame is delivered to spray head in reducing agent and is sprayed, and gas is reacted to desulfurization denitration, subsequently liquid after reaction falls on the surface of third filter screen, at this time dust and impurities are delivered to first fixed box and are classified and collected, subsequently user opens motor by controller, at this time motor drives first rotating shaft to rotate, so that first rotating shaft drives rotating plate to rotate, and then rotating plate drives connecting rod to rotate, subsequently connecting rod drives moving frame to reciprocate left and right, so that moving frame drives first rack plate to reciprocate left and right, and then first rack plate drives gear to reciprocate, subsequently gear drives second rack plate to reciprocate left and right, first rack plate drives second filter screen to vibrate, and second rack plate drives first filter screen to vibrate, and dust and other impurities fall into first fixed box and are collected.

[0004] The above-mentioned water pump and intercommunication frame can realize the desulfurization and denitration of gas, but since the gas is in a flowing state, part of the gas may be discharged from the dust removal box without reacting with the reducing agent, thereby causing air pollution. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of denitration and desulfurization dust removal device convenient to collect to solve the problems raised in the above background.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: A denitration desulfurization dust removal device convenient to collect, including dust removal case, the front surface fixed connection of dust removal case has the air inlet pipe, the top fixed connection of air inlet pipe has the shunt pipe, the top of dust removal case is provided with processing chamber, the inner wall fixed connection of processing chamber has the connecting pipe, the one end fixed connection of connecting pipe away from shunt pipe has the shunt cylinder, the surface of shunt cylinder is provided with shunt hole, the right side fixed connection of dust removal case has the pump body, the top fixed connection of pump body has the elbow pipe, the side fixed connection of pump body away from dust removal case has the catheter, the top fixed connection of dust removal case has the cover plate, the top of cover plate is provided with dust screen.

[0007] As a further preferred of the technical scheme, the shunt pipe and dust removal case are fixedly connected, a plurality of connecting pipes are provided, the number of shunt cylinders corresponds to the number of connecting pipes, an exhaust port is arranged on the top of the cover plate, and the dust screen is located inside the exhaust port.

[0008] As a further preferred of the technical scheme, the side, away from the pump body, of the dust removal case is fixedly connected with an air inlet pipe, the bottom end of the air inlet pipe is fixedly connected with a fan, the bottom end of the fan is fixedly connected with a support frame, the back surface of the fan is fixedly connected with a conveying pipe, the side, close to the air inlet pipe, of the dust removal case is fixedly connected with a blowdown port, and the surface of the dust removal case is fixedly connected with a mounting frame.

[0009] As a further preferred of the technical scheme, the inner wall of the dust removal case is fixedly connected with a support plate, the top end of the support plate is fixedly connected with a first spring, the top end of the first spring is fixedly connected with a filter screen, and the top end of the support plate is fixedly connected with a vibration motor.

[0010] As a further preferred of the technical scheme, the support plate adopts an I-shaped structure, four first springs are arranged, the four first springs are located at the four corners of the filter screen, the output end of the vibration motor is provided with a knocking plate, and the knocking plate is in contact with the filter screen.

[0011] As a further preferred of the technical scheme, the bottom end of the dust removal case is fixedly connected with a rotary motor, the output end of the rotary motor is fixedly connected with a threaded rod, the surface of the threaded rod is threadedly connected with a moving plate, the middle part of the moving plate is slidably connected with a guide rod, and the guide rod is fixedly connected with the support plate.

[0012] As a further preferred of the technical scheme, the surface of the moving plate is fixedly connected with a telescopic rod, the surface of the telescopic rod is movably sleeved with a second spring, one end of the telescopic rod away from the moving plate is fixedly connected with a first scraper, the middle part of the first scraper is provided with a sliding groove, the inside of the sliding groove is slidably connected with a sliding rod, the side of the sliding rod away from the first scraper is fixedly connected with a second scraper, and the side of the second scraper close to the sliding rod is fixedly connected with a spring rod.

[0013] The utility model provides a denitration desulfurization dust removal device convenient to collect possesses the following beneficial effects:

[0014] (1) the utility model discloses a pump body is started to the reducing agent in the box body connected with the catheter is pumped to the inside of the elbow pipe, and is transported to the processing cavity, and the filtered flue gas enters into the shunt pipe through the air inlet pipe, and enters into the shunt cylinder through the connecting pipe, thereby reacts with the reducing agent in the processing cavity, realizes the denitration desulfurization treatment of flue gas, and the flue gas is discharged from the shunt hole, and through the multiple shunt effect of shunt cylinder and shunt hole, the flue gas is discharged in the form of bubble, thereby increasing the contact area with the reducing agent, and improving the treatment effect.

[0015] (2) the utility model discloses through starting the rotary motor, makes the screw rod rotate, and the moving plate generates the movement, and through the location effect of guide rod makes the moving plate reciprocatingly move up and down in the longitudinal direction, simultaneously, the first scraper slides along the inner wall of dust removal tank, and due to the location effect, the telescopic rod and the second spring are extruded and shrink, the sliding rod generates the sliding in the sliding groove, the spring rod is extruded and shrinks, and the first scraper and the second scraper are gathered to the moving plate, and the sliding rod is scraped together to the dust and foreign matter on the inner wall of dust removal tank, thereby conveniently collecting. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic diagram of the utility model;

[0017] Figure 2 It is the structure schematic diagram of the utility model's elevation;

[0018] Figure 3 It is the inside structure schematic diagram of the processing cavity of the utility model;

[0019] Figure 4 It is the section structure schematic diagram of the dust removal tank of the utility model;

[0020] Figure 5 It is the structure schematic diagram of the moving plate elevation of the utility model.

[0021] In the figure: 1, dust removal box; 2, air inlet pipe; 3, shunt pipe; 4, treatment cavity; 5, connecting pipe; 6, shunt cylinder; 7, shunt hole; 8, pump body; 9, elbow pipe; 10, conduit; 11, cover plate; 12, dust screen; 13, air inlet pipe; 14, fan; 15, support frame; 16, conveying pipe; 17, sewage outlet; 18, mounting frame; 19, support plate; 20, first spring; 21, filter screen; 22, vibration motor; 23, rotary motor; 24, threaded rod; 25, moving plate; 26, guide rod; 27, telescopic rod; 28, second spring; 29, first scraper; 30, chute; 31, slide rod; 32, second scraper; 33, spring rod. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0023] The utility model provides technical scheme: as Figure 1 And Figure 5 As shown in the figure, in the embodiment, a denitration and desulfurization dust removal device convenient to collect comprises a dust removal box 1, the front surface of the dust removal box 1 is fixedly connected with an air inlet pipe 2, the top end of the air inlet pipe 2 is fixedly connected with a shunt pipe 3, the top of the dust removal box 1 is provided with a treatment cavity 4, the inner wall of the treatment cavity 4 is fixedly connected with a connecting pipe 5, one end of the connecting pipe 5 away from the shunt pipe 3 is fixedly connected with a shunt cylinder 6, the surface of the shunt cylinder 6 is provided with a shunt hole 7, the right side of the dust removal box 1 is fixedly connected with a pump body 8, the top end of the pump body 8 is fixedly connected with an elbow pipe 9, one side of the pump body 8 away from the dust removal box 1 is fixedly connected with a conduit 10, the top end of the dust removal box 1 is fixedly connected with a cover plate 11, and the top of the cover plate 11 is provided with a dust screen 12.

[0024] By starting the pump body 8, the reducing agent in the box body connected with the conduit 10 is pumped to the inside of the elbow pipe 9 and is conveyed to the inside of the treatment cavity 4, the filtered flue gas enters the shunt pipe 3 through the air inlet pipe 2 and enters the shunt cylinder 6 through the connecting pipe 5, so as to react with the reducing agent in the treatment cavity 4, the denitration and desulfurization treatment of flue gas is realized, the flue gas is discharged from the shunt hole 7, the multiple shunting effects of the shunt cylinder 6 and the shunt hole 7 make the flue gas be discharged in the form of bubbles, so as to increase the contact area with the reducing agent and improve the treatment effect.

[0025] The shunt pipe 3 is fixedly connected with the dust removal box 1, the number of the connecting pipes 5 is provided with multiple, the number of the shunt cylinder 6 corresponds to that of the connecting pipes 5, the top of the cover plate 11 is provided with an exhaust port, and the dust screen 12 is located in the inside of the exhaust port.

[0026] The dust removal box 1 is fixedly connected with an air inlet pipe 13 away from the pump body 8, the bottom end of the air inlet pipe 13 is fixedly connected with a fan 14, the bottom end of the fan 14 is fixedly connected with a support frame 15, the back surface of the fan 14 is fixedly connected with a conveying pipe 16, the side of the dust removal box 1 close to the air inlet pipe 13 is fixedly connected with a blowdown port 17, and the surface of the dust removal box 1 is fixedly connected with a mounting frame 18.

[0027] The inner wall of the dust removal box 1 is fixedly connected with a support plate 19, the top end of the support plate 19 is fixedly connected with a first spring 20, the top end of the first spring 20 is fixedly connected with a filter screen 21, and the top end of the support plate 19 is fixedly connected with a vibration motor 22.

[0028] By arranging the filter screen 21 in the dust removal box 1, the dust and foreign matters in the flue gas can be blocked, the vibration motor 22 is started to make the filter screen 21 vibrate, the first spring 20 is deformed to adapt to the movement of the filter screen 21, and the dust and foreign matters attached to the surface of the filter screen 21 are shaken off, so that the normal work of the filter screen 21 is ensured.

[0029] The support plate 19 adopts an I-shaped structure, the number of the first springs 20 is four, the four first springs 20 are located at the four corners of the filter screen 21, and the output end of the vibration motor 22 is provided with a knocking plate which is in contact with the filter screen 21.

[0030] The bottom end of the dust removal box 1 is fixedly connected with a rotary motor 23, the output end of the rotary motor 23 is fixedly connected with a threaded rod 24, the surface of the threaded rod 24 is threadedly connected with a moving plate 25, the middle part of the moving plate 25 is slidably connected with a guide rod 26, and the guide rod 26 is fixedly connected with the support plate 19.

[0031] The surface of the moving plate 25 is fixedly connected with an extension rod 27, the surface of the extension rod 27 movably sleeved with a second spring 28, one end of the extension rod 27 away from the moving plate 25 is fixedly connected with a first scraper 29, the middle part of the first scraper 29 is provided with a sliding groove 30, the sliding groove 30 is slidably connected with a sliding rod 31, one side of the sliding rod 31 away from the first scraper 29 is fixedly connected with a second scraper 32, and one side of the second scraper 32 close to the sliding rod 31 is fixedly connected with a spring rod 33.

[0032] By starting the rotary motor 23, the threaded rod 24 is rotated, the moving plate 25 is moved, and the moving plate 25 is reciprocatingly moved up and down in the longitudinal direction through the limiting action of the guide rod 26, at the same time, the first scraper 29 slides along the inner wall of the dust removal box 1, and the extension rod 27 and the second spring 28 are extruded and contracted due to the limiting action, the sliding rod 31 is slid in the sliding groove 30, the spring rod 33 is extruded and contracted, the first scraper 29 and the second scraper 32 are folded to the moving plate 25, and the first scraper 29 and the second scraper 32 and the sliding rod 31 together scrape the dust and foreign matters on the inner wall of the dust removal box 1, so that the dust and foreign matters are conveniently collected.

[0033] The utility model provides a convenient to collect's denitration desulfurization dust collector, concrete working principle is as follows:

[0034] When using, one end of conveying pipe 16 is connected with equipment, fan 14 is started, the flue gas produced in zinc calcine production is pumped to air inlet pipe 13, the flue gas is filtered through filter screen 21, the dust and foreign matters in it are blocked, at the same time, vibration motor 22 is started, filter screen 21 is vibrated, thereby the dust and foreign matters adhered to its surface are shaken off, rotary motor 23 is started, threaded rod 24 is rotated, moving plate 25 is moved, and moving plate 25 is moved up and down reciprocating in longitudinal direction through the limiting action of guide rod 26, first scraper 29 slides along the inner wall of dust removal box 1, and because of its limiting action, telescopic rod 27 and second spring 28 are extruded and contracted, sliding rod 31 is slid in sliding groove 30, spring rod 33 is extruded and contracted, first scraper 29 and second scraper 32 are gathered to moving plate 25, and the dust and foreign matters on the inner wall of dust removal box 1 are scraped off together with sliding rod 31, are discharged from blowdown 17 at the bottom of dust removal box 1, the filtered flue gas enters into shunt pipe 3 through air inlet pipe 2, pump body 8 is started, the reducing agent in the box connected with duct 10 is pumped to the inside of elbow pipe 9 and is conveyed to treatment cavity 4, the flue gas enters into shunt cylinder 6 through connecting pipe 5, thereby reacts with the reducing agent in treatment cavity 4, realizes the denitration desulfurization treatment of flue gas, and is discharged from shunt hole 7 in the form of bubble, carries out secondary reaction with the reducing agent, and the flue gas after treatment is discharged through the air outlet of cover plate 11.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the range of the utility model is defined by the appended claims and its equivalents.

Claims

1. A denitration and desulfurization dust removal device facilitating collection, comprising a dust removal box (1), characterized in that: The front of the dust removal box (1) is fixedly connected with an air inlet pipe (2), the top end of the air inlet pipe (2) is fixedly connected with a shunt pipe (3), the top of the dust removal box (1) is provided with a treatment cavity (4), the inner wall of the treatment cavity (4) is fixedly connected with a connecting pipe (5), the end of the connecting pipe (5) away from the shunt pipe (3) is fixedly connected with a shunt cylinder (6), the surface of the shunt cylinder (6) is provided with a shunt hole (7), the right side of the dust removal box (1) is fixedly connected with a pump body (8), the top end of the pump body (8) is fixedly connected with an elbow pipe (9), the side of the pump body (8) away from the dust removal box (1) is fixedly connected with a conduit (10), the top end of the dust removal box (1) is fixedly connected with a cover plate (11), the top of the cover plate (11) is provided with a dustproof net (12).

2. The device for denitration, desulfurization and dust removal according to claim 1, characterized in that: The shunt pipe (3) and the dust removal box (1) are fixedly connected, the number of the connecting pipe (5) is provided with a plurality, the number of the shunt cylinder (6) and the connecting pipe (5) corresponds, the top of the cover plate (11) is provided with an exhaust port, and the dustproof net (12) is located in the exhaust port.

3. The device for removing sulfur oxides, sulfur dioxide, dust and soot according to claim 1, characterized in that: The side of the dust removal box (1) away from the pump body (8) is fixedly connected with an air inlet pipe (13), the bottom end of the air inlet pipe (13) is fixedly connected with a fan (14), the bottom end of the fan (14) is fixedly connected with a support frame (15), the back of the fan (14) is fixedly connected with a conveying pipe (16), the side of the dust removal box (1) close to the air inlet pipe (13) is fixedly connected with a blowdown port (17), and the surface of the dust removal box (1) is fixedly connected with a mounting bracket (18).

4. The device for removing sulfur oxides, sulfur dioxide, dust and soot according to claim 1, characterized in that: The inner wall of the dust removal box (1) is fixedly connected with a support plate (19), the top end of the support plate (19) is fixedly connected with a first spring (20), the top end of the first spring (20) is fixedly connected with a filter screen (21), and the top end of the support plate (19) is fixedly connected with a vibration motor (22).

5. The device for removing sulfur oxides, sulfur dioxide, dust and soot according to claim 4, characterized in that: The support plate (19) adopts an I-shaped structure, the number of the first spring (20) is provided with four, four first springs (20) are located at four corners of the filter screen (21), the output end of the vibration motor (22) is provided with a knocking plate, and the knocking plate is in contact with the filter screen (21).

6. The device for removing sulfur oxides, sulfur dioxide, dust and soot according to claim 1, characterized in that: The bottom end of the dust removal box (1) is fixedly connected with a rotary motor (23), the output end of the rotary motor (23) is fixedly connected with a threaded rod (24), the surface of the threaded rod (24) is threadedly connected with a moving plate (25), the middle part of the moving plate (25) is slidably connected with a guide rod (26), and the guide rod (26) is fixedly connected with the support plate (19).

7. The device for removing sulfur oxides, sulfur dioxide, dust and soot according to claim 6, characterized in that: The surface of the moving plate (25) is fixedly connected with a telescopic rod (27), the surface of the telescopic rod (27) is movably sleeved with a second spring (28), one end, away from the moving plate (25), of the telescopic rod (27) is fixedly connected with a first scraper (29), the middle part of the first scraper (29) is provided with a sliding groove (30), the inside of the sliding groove (30) is slidably connected with a sliding rod (31), one side, away from the first scraper (29), of the sliding rod (31) is fixedly connected with a second scraper (32), one side, close to the sliding rod (31), of the second scraper (32) is fixedly connected with a spring rod (33).