CN220405111U

CN220405111U - Flue gas treatment device

Info

Publication number: CN220405111U
Application number: CN202321920143.5U
Authority: CN
Inventors: 杨峰
Original assignee: Inner Mongolia Baite Metallurgical Building Materials Co ltd
Current assignee: Inner Mongolia Baite Metallurgical Building Materials Co ltd
Priority date: 2023-07-20
Filing date: 2023-07-20
Publication date: 2024-01-30
Anticipated expiration: 2033-07-20

Abstract

The application provides a flue gas treatment device, which comprises an air inlet mechanism, wherein the air inlet mechanism comprises a treatment box, a bracket and an air outlet pipe which are integrally welded and formed, a gland is mounted on the top of the treatment box in a pressing manner, and an air inlet is formed in the top of the gland; the cleaning mechanism is arranged at the top of the gland, the rotating shafts are rotatably arranged on the inner walls of the gland and the sealing box, and the outer surfaces of the rotating shafts are respectively provided with an air plate and a connecting plate. The inside positive pressure wind-force that can produce gradually of seal box that this device provided drives aerofoil, pivot, connecting plate and cleaning brush rotation to utilize the cleaning brush to strike off the surface of filter screen, effectively improved the cleaning efficiency of filter screen, and utilize the cleaning brush to rotate the centrifugal force that produces to throw away the dust impurity of clearance outside to the bottom of handling the incasement wall, realized the function of clearance, ash fall unloading integration.

Description

Flue gas treatment device

Technical Field

The application relates to the technical field of flue gas treatment, and more specifically, the application relates to a flue gas treatment device.

Background

The silicon-manganese alloy is an alloy composed of silicon, manganese, iron, a small amount of carbon and other elements, and is heated and melted by electric arc and current through a resistor generated by furnace burden in general, and the electric furnace is industrial heating equipment with huge power consumption; the high-temperature dust-removing device can generate a large amount of flue gas in the smelting process, has extremely high temperature and contains a large amount of dust particles, and a filtering device is required to be arranged for filtering the large-particle dust in the dust-removing device before dust removing treatment, so that the workload of subsequent treatment is reduced.

In the prior art, after a filter screen of the filtering device works for a long time, a filtering surface of the filtering device can extrude a plurality of dust particles, and for cleaning the filter screen, additional power is generally required to drive a scraping assembly to clean the surface of the filter screen, and the device is generally required to stop working in the cleaning process, so that the working efficiency of the device is greatly limited by the design.

Disclosure of Invention

In order to overcome the defects of the prior art, the application provides a flue gas treatment device, which has the advantage of high working efficiency.

The application provides a flue gas treatment device, including

The air inlet mechanism comprises a processing box, a bracket and an air outlet pipe which are integrally welded and formed, a gland is mounted on the top of the processing box in a pressing manner, and an air inlet is formed in the top of the gland;

the cleaning mechanism comprises a sealing box, the sealing box is arranged at the top of a gland, a rotating shaft is rotatably arranged on the inner walls of the gland and the sealing box, one end of the rotating shaft extends to the inside of the treatment box and is provided with a connecting plate, the other end of the rotating shaft is provided with an air plate, the bottom of the connecting plate is connected with a cleaning brush, and the outer surface of the sealing box is connected with an air inlet pipe;

the filtering mechanism is arranged at the bottom of the inner cavity of the treatment box and comprises a supporting ring, a filter screen is mounted at the top of the supporting ring in a clamping manner, the bottom end of the cleaning brush is in extrusion contact with the top of the filter screen, an air outlet is arranged at the bottom of the treatment box and communicated with the air outlet, and the air outlet is positioned in the supporting ring.

As a preferable technical scheme of the application, the air plates are arranged on the inner wall of the sealing box, are arranged into a plurality of groups and are distributed at equal angles, the air plates are composed of two groups of thin plates which are perpendicular to each other, and the air plates are made of plastic.

As a preferable technical scheme of the application, the upper part of the inner wall of the treatment box is provided with a fixing frame, and the rotating shaft is rotatably arranged in the fixing frame.

As a preferable technical scheme of the application, the inner wall of the bottom of the treatment box is provided with the ash discharge port, and the sealing door is clamped in the ash discharge port in a sealing way.

As a preferred technical scheme of this application, the draw-in groove has been seted up at the top of support ring, the filter card closes and installs in the draw-in groove, the baffle box has still been seted up to the outward flange at support ring top.

As a preferred technical scheme of this application, sealing door is by baffle, carrying handle and two sets of block strip integrated into one piece welding shaping, the bottom at the baffle lateral surface is connected to the carrying handle, and its both sides all are connected with the block strip, the processing case card is fit for joining in marriage between block strip and the baffle.

As a preferable technical scheme of the present application, the air inlets are provided in plurality, and the air inlets are distributed at the top of the gland in equal angles.

Compared with the prior art, the beneficial effects of the application are as follows:

the device is characterized in that a sealing box is arranged at the top of a gland, an air plate is arranged in the sealing box, a connecting plate is arranged at one end of a rotating shaft, the air plate is arranged at the other end of the rotating shaft, a cleaning brush is connected with the bottom of the connecting plate, and the bottom of the cleaning brush is in extrusion contact with the top of a filter screen. Therefore, when the flue gas is treated, the flue gas continuously enters the sealing box through the air inlet pipe, and the air plate is driven to rotate by utilizing the hot air force of the flue gas, so that the cleaning brush rotates, the filter screen is cleaned, the filter screen is not required to be cleaned by external power, the flue gas treatment process is not required to be interrupted, and the flue gas treatment efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief description will be given below of the drawings that are needed in the embodiments or the prior art descriptions, and it is obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is a schematic elevation cut-away view of the structure of the present application;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A of the present application;

FIG. 4 is a schematic top cut-away view of the seal box of the present application;

FIG. 5 is an exploded view of the cleaning mechanism of the present application;

fig. 6 is a schematic structural view of the sealing door of the present application.

In the figure: 1. an air inlet mechanism; 11. a treatment box; 12. a bracket; 13. an air outlet pipe; 14. an ash discharge port; 15. sealing the door; 151. a baffle; 152. a handle; 153. a clamping strip; 16. a gland; 17. an air inlet; 2. a cleaning mechanism; 21. a seal box; 22. an air inlet pipe; 23. a rotating shaft; 24. a wind plate; 25. a connecting plate; 26. cleaning brushes; 27. a fixing frame; 3. a filtering mechanism; 31. a support ring; 32. a clamping groove; 33. a filter screen; 34. and a guide groove.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application are clearly and completely described below, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without inventive effort, are also within the scope of the present application based on the embodiments herein.

As shown in fig. 1 to 6, the present application provides a flue gas treatment device, including:

the air inlet mechanism 1 comprises a processing box 11, a bracket 12 and an air outlet pipe 13 which are integrally welded and formed, wherein a pressing cover 16 is installed on the top of the processing box 11 in a pressing mode, and an air inlet 17 is formed in the top of the pressing cover 16.

The cleaning mechanism 2 comprises a sealing box 21, the sealing box 21 is arranged at the top of a pressing cover 16, a rotating shaft 23 is rotatably arranged on the inner walls of the pressing cover 16 and the sealing box 21, one end of the rotating shaft 23 extends to the inside of the treatment box 11 and is provided with a connecting plate 25, an air plate 24 is arranged at the other end of the rotating shaft 23, the air plate 24 is positioned in the sealing box 21, a cleaning brush 26 is connected to the bottom of the connecting plate 25, and an air inlet pipe 22 is connected to the outer surface of the sealing box 21.

The filtering mechanism 3 is arranged at the bottom of the inner cavity of the treatment box 11 and comprises a supporting ring 31, a filter screen 33 is mounted at the top of the supporting ring 31 in a clamping manner, the bottom end of the cleaning brush 26 is in extrusion contact with the top of the filter screen 33, an air outlet is formed in the bottom of the treatment box 11, the air outlet pipe 13 is communicated with the air outlet, and the air outlet is located in the supporting ring 31.

In this embodiment, a large amount of flue gas generated in the smelting process is conveyed to the seal box 21 of the flue gas treatment device shown in this embodiment through the air inlet pipe 22, and the flue gas entering the seal box 21 enters the treatment box 11 through the air inlet 17, and because the air outlet is located in the support ring 31, the flue gas can be discharged after passing through the filter screen 33, so that the filter screen 33 filters the flue gas, and dust particles in the flue gas fall on the filter screen 33.

After the flue gas enters the seal box 21, because the air plate 24 is installed in the seal box 21, the hot air force from the flue gas can be converted into the rotation force of the air plate 24 in the seal box 21, the flue gas continuously enters the seal box 21 through the air inlet pipe 22, positive pressure wind force can be gradually generated in the seal box 21, and the wind energy from the flue gas can be converted into the kinetic energy for rotating the air plate 24 through the air plate 24 to continuously drive the air plate 24 to rotate.

Because the aerofoil 24 is connected with the pivot 23, and pivot 23 is connected with connecting plate 25, and connecting plate 25 is connected with cleaning brush 26, consequently, the aerofoil 24 rotates, drives cleaning brush 26 and rotates to utilize cleaning brush 26 to strike off the surface of filter screen 33, effectively improved the cleaning efficiency of filter screen 33, and utilize the centrifugal force that cleaning brush 26 rotated and produce to throw away the dust granule of clearance outside, thereby make the dust granule finally drop to the bottom between processing box 11 inner wall and the holding ring 31, realized the function of clearance, dust fall unloading integration.

In this embodiment, by arranging the seal box 21 on the top of the gland 16, the air plate 24 is arranged inside the seal box 21, the connecting plate 25 is installed at one end of the rotating shaft 23, the air plate 24 is installed at the other end of the rotating shaft 23, the bottom of the connecting plate 25 is connected with the cleaning brush 26, and the bottom end of the cleaning brush 26 is in extrusion contact with the top of the filter screen 33. Therefore, when the flue gas is treated, the flue gas continuously enters the sealing box 21 through the air inlet pipe 22, and the air plate 24 is driven to rotate by using the hot air force of the flue gas, so that the cleaning brush 26 rotates, the filter screen 33 is cleaned, the filter screen 33 is not required to be cleaned by external power, the flue gas treatment process is not required to be interrupted, and the flue gas treatment efficiency is improved.

Wherein, optionally, the aerofoil 24 is arranged in a plurality of groups and distributed at equal angles, each group of aerofoil 24 is composed of two groups of thin plates which are mutually perpendicular, and the aerofoil 24 is made of plastic.

Specifically, a plurality of groups of air plates 24, for example, 20 groups, are arranged in the seal box 21, and positive pressure flue gas introduced into the seal box 21 through the air inlet pipe 22 generates driving force to the air plates 24, and the air plates 24 are integrally made of light plastic, so that the weight is light, the rotation resistance is small, and the air plates 24 can be rotated by using less kinetic energy, and therefore, the air energy of the flue gas can be utilized to drive the air plates 24 to rotate.

Wherein, optionally, a fixing frame 27 is installed on the upper part of the inner wall of the processing box 11, and the rotating shaft 23 is rotatably installed in the fixing frame 27.

Specifically, the fixing frame 27 is used for maintaining the stability of the rotating shaft 23 during rotation, reducing the offset degree of the rotating shaft, and maintaining the stability of the connecting plate 25 and the cleaning brush 26 during rotation operation.

Wherein, optionally, ash discharge port 14 has been seted up on the inner wall of processing case 11 bottom, and the inside seal block of ash discharge port 14 has sealing door 15.

Specifically, when the cleaning brush 26 scrapes the surface of the filter screen 33, the cleaning brush 26 rotates, so that the cleaned dust particles can be thrown outwards by the centrifugal force generated by the rotation of the cleaning brush 26, and finally fall to the bottom between the inner wall of the treatment tank 11 and the supporting ring 31, and then are discharged through the dust discharge port 14. When dust particles are not cleared, the ash discharge port 14 is clamped and sealed through the sealing door 15, so that smoke is prevented from escaping from the ash discharge port 14, and the smoke entering the air inlet pipe 22 can be completely discharged from the air outlet pipe 13, so that smoke filtering sealing circulation is formed.

Wherein, optionally, the top of the supporting ring 31 is provided with a clamping groove 32, the filter screen 33 is arranged in the clamping groove 32 in a clamping way, and the outer edge of the top of the supporting ring 31 is also provided with a guide groove 34;

specifically, the clamping groove 32 is used for clamping and installing the filter screen 33, so that the filter screen 33 is very convenient to install and detach, and the inclined surface of the guide chute 34 can assist the dust falling from the surface of the filter screen 33 to smoothly fall to the bottom of the inner wall of the processing box 11.

Wherein, optionally, sealing door 15 is formed by welding baffle 151, carrying handle 152 and two sets of clamping strips 153 in an integral manner, carrying handle 152 is connected at the bottom of the lateral surface of baffle 151, both sides of which are connected with clamping strips 153, and treatment box 11 is suitably matched between clamping strips 153 and baffle 151.

Specifically, the sealing door 15 is used as a sealing means of the ash discharge port 14, and moves up and down in a sealing engagement manner, so that the gap of the ash discharge port 14 is closed by self gravity, and the sealing effect is maintained.

Wherein, optionally, the air inlet 17 is provided with a plurality of, a plurality of air inlets 17 are equiangularly distributed on the top of the gland 16.

Specifically, as shown in fig. 5, three air inlets 17 are provided, and the air inlets 17 are communicated with the sealing box 21 and the treatment box 11, so that flue gas can enter the inner cavity of the treatment box 11 uniformly.

The working principle and the use flow of the application are as follows:

the air inlet pipe 22 is externally connected with an electric furnace flue gas outlet, so that the flue gas horizontally enters the inner cavity of the sealing box 21 through the air inlet pipe 22, the air plate 24 is pushed to rotate by utilizing the high-temperature pressure of the flue gas, then the flue gas downwards enters the inner cavity of the treatment box 11 through the air inlet 17, when the flue gas passes through the upper surface of the filter screen 33, dust particles in the flue gas are filtered out by the filter screen 33, and the filtered flue gas downwards passes through the filter screen 33 and the air outlet pipe 13 to be discharged.

Along with the positive pressure wind force formed by the fact that the amount of flue gas entering the sealing box 21 is larger and larger, the rotating force generated by the rotation of the rotating shaft 23 driven by the wind plate 24 gradually overcomes the resistance of the rotating shaft 23, the wind plate 24 and the connecting plate 25, the cleaning brush 26 is driven to rotate on the surface of the filter screen 33 and synchronously scrape off dust particles on the surface of the filter screen 33, the dust particles are cleaned, the centrifugal force generated by the rotation of the cleaning brush 26 is utilized to bring the dust particles to the bottom of the treatment box 11 and the front of the supporting ring 31, and a worker can open the sealing door 15, so that the dust particles on the inner wall of the treatment box 11 are cleaned.

Finally, it should be noted that the above embodiments are merely for illustrating the technical solution of the present application, and are not limiting; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand; the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A flue gas treatment device, characterized in that: comprising

The air inlet mechanism (1) comprises a processing box (11), a bracket (12) and an air outlet pipe (13) which are integrally welded and formed, wherein a gland (16) is mounted on the top of the processing box (11) in a pressing manner, and an air inlet (17) is formed in the top of the gland (16);

the cleaning mechanism (2) comprises a sealing box (21), wherein the sealing box (21) is arranged at the top of a gland (16), a rotating shaft (23) is rotatably arranged on the inner wall of the gland (16) and the inner wall of the sealing box (21), one end of the rotating shaft (23) extends to the inside of the treatment box (11) and is provided with a connecting plate (25), the other end of the rotating shaft (23) is provided with an air plate (24), the bottom of the connecting plate (25) is connected with a cleaning brush (26), and the outer surface of the sealing box (21) is connected with an air inlet pipe (22);

the filtering mechanism (3) is arranged at the bottom of the inner cavity of the treatment box (11), and comprises a supporting ring (31), a filter screen (33) is mounted at the top of the supporting ring (31) in a clamping manner, the bottom end of the cleaning brush (26) is in extrusion contact with the top of the filter screen (33), an air outlet is formed in the bottom of the treatment box (11), an air outlet pipe (13) is communicated with the air outlet, and the air outlet is located in the supporting ring (31).

2. The flue gas treatment device according to claim 1, wherein: the air plates (24) are arranged in a plurality of groups and distributed at equal angles, the air plates (24) are composed of two groups of thin plates which are perpendicular to each other, and the air plates (24) are made of plastic.

3. The flue gas treatment device according to claim 1, wherein: the upper part of the inner wall of the treatment box (11) is provided with a fixing frame (27), and the rotating shaft (23) is rotatably arranged in the fixing frame (27).

4. The flue gas treatment device according to claim 1, wherein: an ash discharge port (14) is formed in the inner wall of the bottom of the treatment box (11), and a sealing door (15) is clamped in the ash discharge port (14) in a sealing mode.

5. The flue gas treatment device according to claim 1, wherein: clamping grooves (32) are formed in the top of the supporting ring (31), the filter screen (33) is installed in the clamping grooves (32) in a clamping mode, and a guide groove (34) is formed in the outer edge of the top of the supporting ring (31).

6. The flue gas treatment device according to claim 4, wherein: the sealing door (15) is formed by integrally welding a baffle plate (151), a lifting handle (152) and two groups of clamping strips (153), the lifting handle (152) is connected to the bottom of the outer side face of the baffle plate (151), the clamping strips (153) are connected to the two sides of the lifting handle, and the treatment box (11) is clamped between the clamping strips (153) and the baffle plate (151).

7. The flue gas treatment device according to claim 1, wherein: the plurality of air inlets (17) are arranged, and the plurality of air inlets (17) are equiangularly distributed on the top of the gland (16).