Negative pressure type dust removal equipment for silica brick refractory material production

By adopting a movable baffle, spiral locking structure, spray head dust reduction and brush cleaning design in the negative pressure dust removal equipment for the production of silicon brick refractory materials, the problems of filter clogging and shortening of service life are solved, and more efficient dust filtration and longer service life of filters are achieved.

CN222900542UActive Publication Date: 2025-05-27LUOYANG FANGSHAN REFRACTORY CO LTD
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Patent Information

Application Number
CN202421542984.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-02
Publication Date
2025-05-27
Estimated Expiration
2034-07-02

AI Technical Summary

Technical Problem

The filters of existing negative pressure dust removal equipment are easily blocked by impurities after long-term use, resulting in reduced filtration effect and shortened service life.

Method used

A negative pressure dust removal equipment for the production of silicon brick refractory materials was designed, and the movable baffle and spiral locking structure were used to ensure the sealing of the dust filter compartment, and the filter was regularly cleaned through the nozzle and the brush to extend the service life of the filter.

Benefits of technology

The movable baffle and spiral locking structure ensure the sealing of the filter compartment, dust reduction and brush cleaning of the nozzle effectively avoid dust spillage, extend the service life of the filter, and improve the dust removal effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses negative pressure type dust removal equipment for silica brick refractory material production, which comprises a machine body, an air inlet pipe is arranged on one side of the machine body, an exhaust pipe is correspondingly arranged on the other side of the machine body, a plurality of groups of fixing rods are arranged in the machine body, grooves are respectively arranged on opposite surfaces of the fixing rods, and the grooves are communicated with the air inlet pipe and the exhaust pipe. A partition plate is arranged in the machine body above the filter screen, and a plurality of groups of openings are formed in the partition plate. According to the negative pressure type dust removal equipment for silica brick refractory material production, the baffle and the partition plate form a sliding structure, and the baffle and the fixing plate form a spiral locking structure through the bolt and the nut, so that the sealing performance of a dust filtering compartment is guaranteed through the movable baffle, and meanwhile, the follow-up spray head work is facilitated; the nozzle of the device forms a communication structure with the water inlet source through the water inlet pipe, the flow dividing pipe and the spraying arm under the action of the water pump, so that dust in the machine body is settled through the nozzle before the filter screen is detached, and the influence on the environment caused by leakage of part of dust when the filter screen is detached and replaced is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of silica brick refractory material production, in particular to a negative pressure dust removal device for silica brick refractory material production. Background Technique

[0002] Silica brick is a refractory material, belonging to a kind of acid refractory material, mainly composed of tridymite, cristobalite, a small amount of residual quartz and glass phase, in which the silica content is as high as more than 94%. Silica bricks are widely used, mainly for the partition walls of the carbonization chamber and combustion chamber of coke ovens. During the production process of silica brick refractory materials, a large amount of dust and impurities are easily generated during the processing of its raw materials, which affects the health of workers and pollutes the environment at the same time. Therefore, a negative pressure dust removal device is used to extract the dust generated during the production process.

[0003] During the use of the negative pressure dust removal device, a negative pressure environment is formed inside the device through an exhaust fan, so as to extract dust and other impurities through air flow. During the use of the existing negative pressure dust removal device, the filter screen is used for a long time, resulting in more impurities adhering to its surface, which is easy to cause blockage of the filter screen, thereby reducing its filtering effect and at the same time reducing the service life of the filter screen in the device. For this reason, a negative pressure dust removal device for silica brick refractory material production is proposed to solve the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a negative pressure dust removal device for silica brick refractory material production, so as to solve the problem that during the use of the existing negative pressure dust removal device, the filter screen is used for a long time, resulting in more impurities adhering to its surface, which is easy to cause blockage of the filter screen, thereby reducing its filtering effect and at the same time reducing the service life of the filter screen in the device as mentioned in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a negative pressure dust removal device for silica brick refractory material production, including a fuselage, an air inlet pipe is arranged on one side of the fuselage, and an exhaust pipe is correspondingly arranged on the other side of the fuselage. A plurality of fixing rods are arranged inside the fuselage, and grooves are respectively opened on the opposite surfaces of the fixing rods. A filter screen is placed in the grooves. A partition board is arranged inside the fuselage above the filter screen, and a plurality of openings are opened on the partition board. Baffles are inserted into the openings, and a fixing plate is arranged on the outer wall of the fuselage below one end of the baffle. Bolts are screwed on the baffle, and nuts are screwed below the lower ends of the bolts below the fixing plate;

[0006] Spraying arms are respectively arranged inside the fuselage above the baffles, and a plurality of spray heads are evenly arranged on the lower end surface of the spraying arms. A shunt pipe is arranged on the upper end surface of the spraying arms, and a water inlet pipe is arranged at the upper end of the shunt pipe. The other end of the water inlet pipe is connected to a water source through a water pump outside the fuselage;

[0007] On one side of the filter screen, fixing frames are respectively provided on the front and rear inner walls of the fuselage. A servo motor is provided inside the fixing frame. One end of the output shaft of the servo motor is connected to a screw through a coupling. A sliding rod is correspondingly provided on one side of the screw. Another sliding rod is also provided in the other set of fixing frames. The screw and the sliding rod are respectively penetrated by movable blocks, and brushes are provided on the movable blocks.

[0008] Preferably, the baffle and the partition form a sliding structure, and the baffle and the fixing plate form a spiral locking structure through bolts and nuts.

[0009] Preferably, under the action of the water pump, the nozzle forms a communication structure with the water inlet source through the water inlet pipe, the shunt pipe, and the spray arm.

[0010] Preferably, under the action of the servo motor, the brush forms a limit sliding structure with the fixing frame through the screw, the sliding rod, and the movable block.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: The baffle and the partition of the negative pressure dust removal device for the production of silica brick refractory materials form a sliding structure, and the baffle and the fixing plate form a spiral locking structure through bolts and nuts, so as to ensure the sealing of the dust filtering compartment by the movable baffle and facilitate the subsequent work of the nozzle. Under the action of the water pump, the nozzle of the device forms a communication structure with the water inlet source through the water inlet pipe, the shunt pipe, and the spray arm, so as to reduce the dust in the fuselage interior through the nozzle before the filter screen is disassembled, thereby avoiding the impact on the environment caused by the leakage of some dust during the disassembly and replacement of the filter screen. Under the action of the servo motor, the brush of the device forms a limit sliding structure with the fixing frame through the screw, the sliding rod, and the movable block, so as to regularly start the brush to clean the filter screen during the use of the filter screen, thereby increasing the service life of the filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic structural diagram of a negative pressure dust removal device for the production of silica brick refractory materials according to the present utility model;

[0013] Figure 2 is a top view structural diagram of a brush assembly of a negative pressure dust removal device for the production of silica brick refractory materials according to the present utility model;

[0014] Figure 3 is a top view structural diagram of a nozzle assembly of a negative pressure dust removal device for the production of silica brick refractory materials according to the present utility model;

[0015] Figure 4 is a top view structural diagram of a baffle assembly of a negative pressure dust removal device for the production of silica brick refractory materials according to the present utility model;

[0016] Figure 5 is a side view structural diagram of a negative pressure dust removal device for the production of silica brick refractory materials according to the present utility model.

[0017] In the figure: 1. Body, 2. Fixed rod, 3. Filter screen, 4. Partition board, 5. Baffle plate, 6. Fixed plate, 7. Bolt, 8. Water inlet pipe, 9. Shunt pipe, 10. Spray arm, 11. Nozzle, 12. Fixed frame, 13. Servo motor, 14. Screw rod, 15. Slide bar, 16. Movable block, 17. Brush. Specific implementation mode

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0019] Please refer to Figures 1-5 , the present invention provides a technical solution: a negative pressure dust removal device for the production of silica brick refractory materials, including a body 1. The body 1 is provided with an air inlet pipe on one side, and a corresponding exhaust pipe on the other side. The body 1 is provided with a plurality of groups of fixed rods 2 inside, and the opposite surfaces of the fixed rods 2 are respectively provided with grooves. A filter screen 3 is placed in the grooves. Above the filter screen 3, a partition board 4 is provided inside the body 1, and a plurality of groups of openings are provided on the partition board 4. A baffle plate 5 is inserted into the openings, and a fixed plate 6 is provided on the outer wall of the body 1 below one end of the baffle plate 5. A bolt 7 is screwed on the baffle plate 5, and a nut is screwed below the lower end of the bolt 7 below the fixed plate 6.

[0020] Furthermore, the baffle plate 5 and the partition board 4 form a sliding structure, and the baffle plate 5 and the fixed plate 6 form a screw locking structure through the bolt 7 and the nut, so as to ensure that the subsequent nozzle 11 can work normally through the detachable baffle plate 5.

[0021] Above the baffle plate 5, spray arms 10 are respectively provided inside the body 1, and a plurality of groups of nozzles 11 are evenly provided on the lower end surface of the spray arms 10. A shunt pipe 9 is provided on the upper end surface of the spray arms 10, and a water inlet pipe 8 is provided at the upper end of the shunt pipe 9. The other end of the water inlet pipe 8 is connected to a water source through a water pump outside the body 1.

[0022] Furthermore, under the action of the water pump, the nozzles 11 form a communication structure with the water source through the water inlet pipe 8, the shunt pipe 9, and the spray arms 10, so as to reduce dust inside the body 1 through the nozzles 11, and further avoid the overflow of dust and impurities inside the body 1 when the filter screen 3 is disassembled and replaced.

[0023] On one side of the filter screen 3, fixed frames 12 are respectively provided on the front and rear inner walls of the fuselage 1. The fixed frame 12 is provided with a servo motor 13 inside. One end of the output shaft of the servo motor 13 is connected to a screw rod 14 through a coupling. A slide bar 15 is correspondingly provided on one side of the screw rod 14. Another slide bar 15 is also provided in the other set of fixed frames 12. The screw rod 14 and the slide bar 15 are respectively penetrated by a movable block 16, and a brush 17 is provided on the movable block 16.

[0024] Further, under the action of the servo motor 13, the brush 17 forms a limited sliding structure through the screw rod 14, the slide bar 15, the movable block 16 and the fixed frame 12, so as to regularly drive the brush 17 to perform limited sliding through the servo motor 13, so as to regularly clean the filter screen 3 through the brush 17.

[0025] Working principle: When using the negative pressure dust removal equipment for the production of silica brick refractory materials, first, dust and other impurities are extracted through the air inlet pipe and filtered through the filter screen 3. During the use of the filter screen 3, the servo motor 13 can be started regularly. The output shaft of the servo motor 13 drives the screw rod 14 to rotate through the coupling, and drives the brush 17 to perform limited sliding through the slide bar 15 and the movable block 16, so as to regularly clean the impurities attached to the surface of the filter screen 3 through the brush 17, so as to ensure the working effect of the filter screen 3 and increase the service life of the filter screen 3; if the filter screen 3 needs to be disassembled and replaced, the bolt 7 can be removed by screwing, so as to pull the baffle 5 outward, so that the spray head 11 can work normally; then the water pump can be started, so that water flows into the flow dividing pipe 9 through the water inlet pipe 8 for uniform flow division, so as to reduce dust in the interior of the fuselage 1 through the spray head 11, thereby avoiding environmental pollution caused by the overflow of dust inside the fuselage 1 during the disassembly and replacement of the filter screen 3. This is the use process of the negative pressure dust removal equipment for the production of silica brick refractory materials.

[0026] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A negative pressure dust removal device for producing silica brick refractory materials, comprising a body (1), wherein the body (1) is provided with an air inlet pipe on one side, and the body (1) is provided with an exhaust pipe on the other side, wherein the body (1) is provided with a plurality of sets of fixing rods (2) inside, and the fixing rods (2) are provided with grooves on opposite surfaces, and filters (3) are placed in the grooves, characterized in that: A partition (4) is provided above the filter (3) in the body (1), and a plurality of openings are provided on the partition (4), a baffle (5) is inserted into the opening, and a fixing plate (6) is provided below one end of the baffle (5) on the outer wall of the body (1), a bolt (7) is screwed on the baffle (5), and a nut is screwed on the lower end of the bolt (7) below the fixing plate (6); Spray arms (10) are respectively arranged above the baffle plate (5) in the body (1), and a plurality of spray heads (11) are evenly arranged on the lower end surface of the spray arms (10), a diversion pipe (9) is arranged on the upper end surface of the spray arms (10), and a water inlet pipe (8) is arranged on the upper end of the diversion pipe (9), and the other end of the water inlet pipe (8) is connected to a water inlet source outside the body (1) through a water pump; A fixing frame (12) is provided on one side of the filter screen (3) at the front and rear inner walls of the body (1), and a servo motor (13) is provided inside the fixing frame (12). One end of the output shaft of the servo motor (13) is connected to a screw rod (14) via a coupling, and a slide rod (15) is provided on one side of the screw rod (14), and a slide rod (15) is also provided in another set of fixing frames (12). Movable blocks (16) are respectively inserted into the screw rod (14) and the slide rod (15), and a brush (17) is provided on the movable block (16).

2. The negative pressure dust removal equipment for producing silica brick refractory materials according to claim 1 is characterized in that: The baffle plate (5) and the partition plate (4) form a sliding structure, and the baffle plate (5) is formed by bolts (7), nuts and a fixing plate.

3. The negative pressure dust removal equipment for producing silica brick refractory materials according to claim 1 is characterized in that: Under the action of the water pump, the spray head (11) forms a communication structure with the water inlet source through the water inlet pipe (8), the diversion pipe (9) and the spray arm (10).

4. The negative pressure dust removal equipment for producing silica brick refractory materials according to claim 1 is characterized in that: Under the action of the servo motor (13), the brush (17) forms a limited sliding structure with the fixed frame (12) through the screw rod (14), the slide rod (15), the movable block (16).