Formaldehyde production dust removal device

Abstract

The utility model relates to the technical field of formaldehyde production equipment, and particularly discloses a dust removal device for formaldehyde production. The device comprises a box body, an electrostatic generator is arranged in the box body, a gas inlet pipe and a gas outlet pipe are arranged on the left side and the right side of the box body respectively and communicate with the electrostatic generator, and an electrostatic plate assembly is arranged in the electrostatic generator and used for adsorbing dust particles in gas; the impact assembly impacts the electrostatic generator, a funnel is arranged at the bottom of the electrostatic generator, a recycling box is arranged below the box body, and dust particles fall into the recycling box from the surface of the electrostatic plate assembly; dust particles in formaldehyde gas are adsorbed through the electrostatic plate assembly, the electrostatic generator is closed, the impact assembly is started, the impact assembly strikes the electrostatic generator, the electrostatic plate assembly is made to vibrate, the dust particles on the surface of the electrostatic plate assembly fall into the recycling box to be collected, and the maintenance efficiency of the dust removal device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of formaldehyde production equipment, in particular to a formaldehyde production dust removal device. Background Art

[0002] In the formaldehyde production process, methanol raw material storage tanks and formaldehyde storage tanks are needed to store methanol and formaldehyde. The volatilized gas in the storage tank is ventilated through a breathing valve and then recycled. If the air enters the storage tank directly through the breathing valve, dust and other particles in the air will also enter the tank, affecting the quality of formaldehyde. A dust removal device is usually required.

[0003] For example, a Chinese utility model patent with a publication (announcement) number of CN219784249U discloses a dust removal device for formaldehyde production, including two rotating seats symmetrically arranged in a box body, a cylindrical filter plate rotatably connected between the two rotating seats, a plurality of adsorption blades are arranged on the outer surface of the filter plate, which can adsorb some dust particles, and the remaining dust particles are filtered through the filter plate, and the air intake mechanism blows the adsorption blades to rotate the filter plate to achieve the purpose of uniform filtering.

[0004] The dust removal equipment requires regular replacement or cleaning of the filter plate. When the filter plate needs to be replaced, the staff disassembles the box to take out the filter plate, which is time-consuming and labor-intensive, affecting the maintenance efficiency of the dust removal equipment. Utility Model Content

[0005] In order to overcome the deficiencies of the prior art, the utility model aims to provide a formaldehyde production dust removal device to improve the maintenance efficiency of the formaldehyde dust removal equipment.

[0006] The technical solution adopted by the utility model is:

[0007] A formaldehyde production dust removal device comprises a box body, an electrostatic generator is arranged in the box body, an air inlet pipe and an air outlet pipe are respectively arranged on the left and right sides of the box body, the air inlet pipe and the air outlet pipe are respectively connected with the electrostatic generator, an electrostatic plate assembly is arranged inside the electrostatic generator for adsorbing dust particles in the gas, an impact assembly is arranged on the box body, the impact assembly impacts the electrostatic generator, a funnel is arranged at the bottom of the electrostatic generator, a recovery box is arranged below the box body, the bottom of the funnel passes through the box body and is connected with the recovery box, and dust particles fall from the surface of the electrostatic plate assembly into the recovery box.

[0008] Optionally, the electrostatic plate assembly includes a first electrostatic plate and a second electrostatic plate, the first electrostatic plate and the second electrostatic plate are respectively arranged along the front and rear directions of the box, the first electrostatic plate and the second electrostatic plate are respectively connected to the front and rear sides of the box, the top of the first electrostatic plate is connected to the top of the box, the bottom of the first electrostatic plate is flush with the top of the funnel, the bottom of the second electrostatic plate is abutted against the side wall of the funnel, and a gap is set between the top of the second electrostatic plate and the top of the electrostatic generator.

[0009] Optionally, a plurality of through holes are evenly formed on the surfaces of the first electrostatic plate and the second electrostatic plate.

[0010] Optionally, the height of the gap is 1 / 4-1 / 2 of the height of the electrostatic generator.

[0011] Optionally, the electrostatic plate assemblies are provided in a plurality of groups, and the plurality of groups of the electrostatic plate assemblies are evenly spaced apart along the left-right direction of the box body.

[0012] Optionally, the impact assembly includes a rotating drive member, a rotating shaft and a connecting rod, the fixed end of the rotating drive member is arranged on the top of the box body, one end of the rotating shaft is connected to the driving end of the rotating drive member, the other end of the rotating shaft extends along the front and rear direction of the box body and is rotatably connected to the box body, an impact block is arranged on the periphery of the rotating shaft, the rotating drive member drives the rotating shaft to drive the impact block to rotate toward one end of the connecting rod and make the impact block impact the connecting rod, and the other end of the connecting rod passes through the box body, the electrostatic generator and the electrostatic plate assembly in sequence.

[0013] Optionally, a plurality of connecting rods are provided, and the plurality of connecting rods are arranged at intervals along the front-to-back direction of the box body, and the impact blocks are arranged in a one-to-one correspondence with the connecting rods.

[0014] The beneficial effects of the utility model are:

[0015] 1. The dust particles in the formaldehyde gas are adsorbed by the electrostatic plate assembly. When the dust particles adsorbed on the electrostatic plate assembly need to be cleaned, the electrostatic generator is turned off and the impact assembly is turned on. The impact assembly hits the electrostatic generator to vibrate the electrostatic plate assembly. The dust particles on the surface of the electrostatic plate assembly fall into the recovery box for collection. There is no need to take the electrostatic plate assembly out of the box for cleaning, which improves the maintenance efficiency of the dust removal device.

[0016] 2. The first electrostatic plate and the second electrostatic plate are arranged alternately, which increases the contact area between the formaldehyde gas and the electrostatic plate assembly and improves the dust removal efficiency of the dust removal device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a cross-sectional view of the electrostatic plate assembly of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the electrostatic plate assembly of the utility model.

[0020] The numbers and names in the figure correspond to each other as follows: 1. Box body; 11. Air inlet pipe; 12. Air outlet pipe; 13. Recovery box; 14. Fixed block; 2. Electrostatic generator; 21. Funnel; 31. First electrostatic plate; 32. Second electrostatic plate; 41. Rotating drive member; 42. Rotating shaft; 43. Connecting rod; 44. Impact block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-3 , the utility model provides a technical solution:

[0023] A formaldehyde production dust removal device comprises a box body 1, an electrostatic generator 2 arranged in the box body 1, an air inlet pipe 11 and an air outlet pipe 12 arranged on the left and right sides of the box body 1, the top of the electrostatic generator 2 is fixedly connected to the box body 1, the air inlet pipe 11 and the air outlet pipe 12 are respectively connected to the electrostatic generator 2, an electrostatic plate assembly is arranged inside the electrostatic generator 2 for adsorbing dust particles in the gas, an impact assembly is arranged on the box body 1, the impact assembly impacts the electrostatic generator 2, a funnel 21 is arranged at the bottom of the electrostatic generator 2, a recovery box 13 is arranged below the box body 1, the bottom of the funnel 21 passes through the box body 1 and is connected to the recovery box 13, and dust particles fall from the surface of the electrostatic plate assembly into the recovery box 13.

[0024] The electrostatic plate assembly includes a first electrostatic plate 31 and a second electrostatic plate 32. The first electrostatic plate 31 and the second electrostatic plate 32 are respectively arranged vertically along the front and rear directions of the box body 1. The first electrostatic plate 31 and the second electrostatic plate 32 are respectively fixedly connected to the front and rear sides of the box body 1. The top of the first electrostatic plate 31 is fixedly connected to the top of the box body 1. The bottom of the first electrostatic plate 31 is flush with the top of the funnel 21. The bottom of the second electrostatic plate 32 is fixedly connected to the front and rear side walls of the funnel 21. The bottom of the second electrostatic plate 32 extends to the bottom of the funnel 21. A gap is set between the top of the second electrostatic plate 32 and the top of the electrostatic generator 2. The height of the gap is 1 / 4-1 / 2 of the height of the electrostatic generator 2. In this embodiment, the height of the gap is 1 / 3 of the height of the electrostatic generator 2.

[0025] In order to improve the dust removal efficiency, a plurality of through holes are evenly spaced apart on the surface of the first electrostatic plate 31 and the second electrostatic plate 32 , and multiple groups of electrostatic plate assemblies are evenly spaced apart along the left and right directions of the box body 1 .

[0026] The impact assembly includes a rotating drive member 41, a rotating shaft 42 and a connecting rod 43. The fixed end of the rotating drive member 41 is detachably connected to the top of the box body 1 by bolts. The front and rear ends of the top of the box body 1 are fixedly connected with fixed blocks 14. One end of the rotating shaft 42 passes through a fixed block 14 and is fixedly connected to the driving end of the rotating drive member 41. The other end of the rotating shaft 42 extends along the front and rear direction of the box body 1 and is inserted into another fixed block 14. The rotating shaft 42 is rotatably connected to the two fixed blocks 14 respectively. The outer periphery of the rotating shaft 42 is fixedly connected with an impact block 44. The rotating drive member 41 drives the rotating shaft 42 to drive the impact block 44 to rotate toward one end of the connecting rod 43 and make the impact block 44 impact the connecting rod 43. The other end of the connecting rod 43 passes through the box body 1, the electrostatic generator 2, the first electrostatic plate 31 and the second electrostatic plate 32 in sequence. The connecting rod 43 is fixedly connected to the box body 1, the electrostatic generator 2, the first electrostatic plate 31 and the second electrostatic plate 32. In this embodiment, the connecting rod 43 is an insulating material.

[0027] In order to further improve the maintenance efficiency of the dust removal device, a plurality of connecting rods 43 are provided, and the plurality of connecting rods 43 are evenly spaced along the front and rear directions of the box body 1, and the impact blocks 44 are arranged one by one corresponding to the connecting rods 43. When it is necessary to clean the dust particles adsorbed on the electrostatic plate assembly, the electrostatic generator 2 is turned off and the rotating drive member 41 is turned on. The rotating drive member 41 drives the rotating shaft 42 to rotate and drives the impact block 44 to impact one end of the connecting rod 43. Then, the rotating drive member 41 drives the rotating shaft 42 to reverse, and then repeatedly impacts the connecting rod 43. The repeated impacts cause the dust particles on the surfaces of the first electrostatic plate 31 and the second electrostatic plate 32 to fall into the recovery box 13 for collection.

[0028] Finally, it should be noted that the above are only preferred examples of the utility model and are not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A formaldehyde production dust removal device, comprising a housing (1), characterized in that: The box (1) is provided with an electrostatic generator (2). An air inlet pipe (11) and an air outlet pipe (12) are provided on the left and right sides of the box (1), respectively. The air inlet pipe (11) and the air outlet pipe (12) are respectively connected to the electrostatic generator (2). An electrostatic plate assembly is provided inside the electrostatic generator (2) for adsorbing dust particles in the gas. An impact assembly is provided on the box (1), and the impact assembly impacts the electrostatic generator (2). A funnel (21) is provided at the bottom of the electrostatic generator (2). A recovery box (13) is provided below the box (1). The bottom of the funnel (21) passes through the box (1) and is connected to the recovery box (13). Dust particles fall from the surface of the electrostatic plate assembly into the recovery box (13).

2. A formaldehyde production dust removal device according to claim 1, characterized in that: The electrostatic plate assembly comprises a first electrostatic plate (31) and a second electrostatic plate (32), wherein the first electrostatic plate (31) and the second electrostatic plate (32) are respectively arranged along the front and rear directions of the box body (1), the first electrostatic plate (31) and the second electrostatic plate (32) are respectively connected to the front and rear sides of the box body (1), the top of the first electrostatic plate (31) is connected to the top of the box body (1), the bottom of the first electrostatic plate (31) is flush with the top of the funnel (21), the bottom of the second electrostatic plate (32) is in contact with the side wall of the funnel (21), and a gap is arranged between the top of the second electrostatic plate (32) and the top of the electrostatic generator (2).

3. A formaldehyde production dust removal device according to claim 2, characterized in that: A plurality of through holes are evenly formed on the surfaces of the first electrostatic plate (31) and the second electrostatic plate (32).

4. A formaldehyde production dust removal device according to claim 2, characterized in that: The height of the gap is 1 / 4-1 / 2 of the height of the electrostatic generator (2).

5. A formaldehyde production dust removal device according to claim 1, characterized in that: The electrostatic plate components are arranged in multiple groups, and the multiple groups of electrostatic plate components are evenly spaced apart along the left-right direction of the box body (1).

6. A formaldehyde production dust removal device according to claim 1, characterized in that: The impact assembly comprises a rotary drive member (41), a rotating shaft (42) and a connecting rod (43); a fixed end of the rotary drive member (41) is arranged at the top of the housing (1); one end of the rotating shaft (42) is connected to the driving end of the rotary drive member (41); the other end of the rotating shaft (42) extends along the front-rear direction of the housing (1) and is rotatably connected to the housing (1); an impact block (44) is arranged on the periphery of the rotating shaft (42); the rotary drive member (41) drives the rotating shaft (42) to drive the impact block (44) to rotate toward one end of the connecting rod (43) and causes the impact block (44) to impact the connecting rod (43); the other end of the connecting rod (43) passes through the housing (1), the electrostatic generator (2) and the electrostatic plate assembly in sequence.

7. A formaldehyde production dust removal device according to claim 6, characterized in that: A plurality of connecting rods (43) are provided, and the plurality of connecting rods (43) are arranged at intervals along the front-rear direction of the box body (1), and the impact blocks (44) are arranged in one-to-one correspondence with the connecting rods (43).

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