Dustproof device

Abstract

The utility model discloses a dustproof device which comprises a main shell, an isolation plate and a filtering device. The main shell is fixedly connected with the isolation plate, a first cavity is formed between the main shell and the isolation plate, the main shell is provided with an air suction opening and an air blowing opening, the air suction opening is communicated with the first cavity, and the air blowing opening is communicated with the first cavity; a first hole is formed in the isolation plate, the air blowing opening corresponds to the isolation plate, the filtering device is fixedly connected to one side of the isolation plate, and a filtering hole of the filtering device communicates with the first cavity through the first hole; the dust removal device can prevent large-particle dust blockage and is higher in dust removal efficiency.

Description

Technical Field

[0001] The utility model belongs to the field of dust removal devices, and in particular relates to a dust prevention device. Background Art

[0002] When existing large-particle materials are made into small-particle materials through processes such as crushing, a large amount of material dust of different particle sizes is easily generated during the processing. These dust particles are in irregular motion in the material bin for a long time. When the materials are recovered after processing, the dust particles are easy to overflow and cause dust explosions, increasing fire hazards and the risk of workers suffering from pneumoconiosis. Therefore, if you want to recycle materials with particle sizes that meet the specifications, you need to wait until the dust particles are still for a long time before you can perform the recycling operation.

[0003] In addition to the above environments, there are many production environments that require dust removal to ensure production safety and avoid the occurrence of occupational diseases such as pneumoconiosis. Existing dust removal devices generally connect exhaust equipment through filters for dust removal. However, during the dust removal process, the filters are easily blocked by large particles of dust, which requires manual cleaning after pausing. In addition, the filters need to be fixed in the recovery device, which limits the dust removal area and reduces the dust removal efficiency. Summary of the invention

[0004] The utility model aims to provide a dust-proof device, which can prevent clogging by large dust particles and has a higher dust removal efficiency.

[0005] The technical solution is as follows:

[0006] A dustproof device comprises a main shell, an isolation plate and a filter device; the main shell is fixedly connected to the isolation plate, a first cavity is formed between the main shell and the isolation plate, the main shell is provided with an exhaust port and an air blowing port, the exhaust port is connected to the first cavity, and the air blowing port is connected to the first cavity; the isolation plate is provided with a first hole, the air blowing port corresponds to the isolation plate, the filter device is fixedly connected to the isolation plate, and the filter hole of the filter device is connected to the first cavity through the first hole.

[0007] The exhaust port above the dust prevention device can be connected to an external negative pressure suction device, and the filter device is fixedly connected to the lower isolation plate. The multiple first holes on the isolation plate correspond to the filter device. When the negative pressure suction device sucks dust of different particle sizes in the material bin, small particles of dust that meet the specifications enter the first cavity through the filter device and the first hole, and are then extracted through the exhaust port; when large particles of material are blocked in the filter holes of the filter device during the suction process, the negative pressure suction device stops working, and the air outlet above the dust prevention device can be connected to an external hair dryer. The hair dryer generates more concentrated wind force in the first cavity, and then stops working after blowing away the large particles of dust on the filter device through the first hole on the isolation plate. The negative pressure suction device restarts to suck small particles of dust, thereby preventing large particles of dust from being blocked and increasing the time of manual dust removal, and the dust removal efficiency is higher.

[0008] In one embodiment, the filter device includes a filter bracket and a filter net, the filter bracket is protruding below the isolation plate, the upper end of the filter bracket is fixedly connected to the isolation plate, and the filter net is arranged on one side of the filter bracket; the filter bracket includes a second hole, and the minimum pore size of the second hole is larger than the maximum pore size of the filter hole of the filter net.

[0009] A filter net is arranged on the filter bracket, and the aperture of the filter hole of the filter net is smaller than the aperture of the second hole on the filter bracket, and the aperture of the second hole is smaller than the aperture of the first hole. Therefore, during suction, negative pressure can be generated in the filter device and the first cavity to enhance the wind force of suction. The filter bracket is protrudingly arranged below the isolation plate, so that small particle materials can be filtered through the filter device before being extracted and recovered. This structure can improve the efficiency of simultaneous filtering and recovery by increasing the filtering area of ​​the filter device below the isolation plate.

[0010] In one embodiment, the filter support comprises a first rod and a second rod; a plurality of the first rods and a plurality of the second rods are staggered to form the support, and staggered holes between the first rods and the second rods form the second holes.

[0011] Since the filter bracket is a component that is in direct contact with the recovered dust, the filter bracket is arranged outside the main shell, and the first rod and the second rod are staggered to form the filter bracket, so that the filter bracket still has strong stability during suction, thereby improving the service life of the filter bracket.

[0012] In one embodiment, a fastener is further provided on the outside of the filter bracket, and the fastener is close to the first hole; the filter screen is fixed to the outside of the filter bracket by the fastener, and the filter screen is attached to the filter bracket.

[0013] The filter bracket is fixedly connected to the isolation plate, the filter screen is sleeved on the outside of the filter bracket from the bottom of the filter bracket, and the connection between the filter screen and the filter bracket is close to the first hole of the isolation plate. In order to strengthen the cooperation between the filter screen and the filter bracket and ensure the negative pressure suction effect in the second cavity, a fastener is provided at the connection between the filter screen and the filter bracket so that the filtered dust passes through the filter hole of the filter screen and then through the second hole of the filter bracket for recovery and filtration.

[0014] In one embodiment, an opening structure is provided above the filter support, and a third hole is formed above the filter support, and the third hole corresponds to the first hole; a second cavity is formed between the filter support and the filter net, and the second cavity is connected to the first cavity through the third hole.

[0015] A second cavity is formed in the filter bracket and the filter screen. The third hole on the upper part of the filter bracket corresponds to the first hole. The third hole can correspond to a single first hole or to several first holes at the same time, thereby improving the suction and dust removal efficiency. The second cavity is connected to the first cavity. Small particles can enter the second cavity through the filter screen, and then enter the first cavity through the third hole and the first hole until they are extracted from the exhaust port.

[0016] In one embodiment, there are multiple filtering devices, the isolation plate is provided with multiple first holes, and the filtering devices correspond to the first holes one by one; the filtering support is configured as a cylindrical shape; the total area of ​​the second holes on the filtering support is greater than the total area of ​​the first holes.

[0017] The multiple first holes on the isolation plate correspond one by one to the filtering devices at the bottom, so that the suction wind force of each filtering device is more concentrated, thereby further improving the dust removal efficiency; the filtering bracket is set to be cylindrical, which can increase the filtering area of ​​small particle materials sucked on the outside of the filtering bracket, and the cylindrical bracket makes each cross-section of the bracket equal to the area of ​​the first hole, so that the materials recovered at different positions pass through the first holes in sequence according to the distance close to the first hole, thereby reducing the recovery pressure of the first hole. The total area of ​​the second holes on the bracket is larger than the total area of ​​the first holes. Compared with the traditional recovery and filtering device, the area of ​​the first hole determines the filtering area of ​​the material. The present device uses the second hole on the filtering bracket to suck the material. Increasing the area of ​​the second hole further increases the filtering area of ​​the material and improves the dust removal efficiency of the material.

[0018] In one of the embodiments, the main shell is configured to be conical; the air exhaust port is located in the middle of the main shell, and the air blowing port is evenly distributed along the conical outer side of the main shell.

[0019] The main shell is set to be conical. In the sealed material bin, the negative pressure suction device can produce a negative pressure effect on the first hole on the lower isolation plate during the suction process, gather stronger suction through the first hole, and improve the efficiency of recovery and filtration; during the dust removal process, the hair dryer can also generate more concentrated wind force to blow towards the first hole, thereby improving the dust removal efficiency.

[0020] In one of the embodiments, it further includes a nozzle and a blowing head, wherein the nozzle is connected to the main shell through the blowing port, one side of the nozzle is located in the first cavity, and the other sides of the plurality of nozzles are connected to the blowing head.

[0021] Since the air outlets are distributed on the main shell, the hair dryer can be connected to multiple nozzles through a blow head to blow to various parts of the isolation plate, so that the first hole on the isolation plate can blow out stronger wind force, improve the dust removal effect, and then improve the dust removal efficiency.

[0022] A dustproof device comprises a main shell, an isolation plate and a filter device; the main shell is fixedly connected to the isolation plate, a first cavity is formed between the main shell and the isolation plate, the main shell is provided with an exhaust port and an air blowing port, the exhaust port is connected to the first cavity, and the air blowing port is connected to the first cavity; the isolation plate is provided with a first hole, the air blowing port corresponds to the isolation plate, the filter device is fixedly connected to one side of the isolation plate, and the first hole is connected to the first cavity through the filter hole of the filter device.

[0023] The exhaust port above the dust prevention device can be connected to an external negative pressure suction device, and the filter device is fixedly connected to the lower isolation plate. The multiple first holes on the isolation plate correspond to the filter device. When the negative pressure suction device sucks materials of different particle sizes in the material bin, small particle materials that meet the specifications enter the first cavity through the first hole and the filter device, and are then extracted through the exhaust port. The multiple first holes increase the suction area and improve the recovery efficiency. When large particle materials are blocked on the filter device during the suction process, the negative pressure suction device suspends work. The blowing port above the dust prevention device can be connected to an external hair dryer. The hair dryer blows away the large particle materials on the filter device through the first hole for dust removal and then suspends work. The negative pressure suction device re-suctions and recovers the small particle materials, thereby preventing the large particle materials from being blocked by dust and increasing the dust removal time, making the dust removal efficiency higher.

[0024] In one of the embodiments, it also includes a nozzle and a blowing head, wherein the nozzle is connected to the main shell through the blowing port, one side of the nozzle is located in the first cavity, and the other sides of multiple nozzles are connected to the blowing head; the main shell is configured to be conical, the exhaust port is located in the middle of the main shell, and the blowing ports are evenly distributed along the conical outer side of the main shell; the filtering device is a filter net, the filter net is attached to the isolation plate, and the filtering holes of the filter net are smaller than the aperture of the first hole.

[0025] Since the air outlets are distributed on the main shell, the hair dryer can connect multiple nozzles through a hair dryer head to blow to various parts of the isolation plate, so that the first holes on the isolation plate can blow out stronger wind force, thereby improving the dust removal effect and thus improving the dust removal efficiency; the main shell is set to be conical, and in the sealed material bin, the negative pressure suction device can produce a negative pressure effect on the first hole on the lower isolation plate during the suction process, and gather stronger suction through the first hole to improve the efficiency of recovery and filtration. During the dust removal process, the hair dryer can also easily generate more concentrated wind force to blow to the first hole, thereby improving the dust removal efficiency; the filtering device is a filter net, and the filter net is attached to the isolation plate, with a simple structure and low cost. The efficiency of recovery and filtration can be improved by increasing the area of ​​the first hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a first direction view of the overall structure of the embodiment of the utility model;

[0027] Figure 2 This is a second direction view of the overall structure of the first embodiment of the utility model;

[0028] Figure 3 This is a third-direction view of the overall structure of the first embodiment of the utility model;

[0029] Figure 4 This is a fourth direction view of the overall structure of the first embodiment of the utility model;

[0030] Figure 5 This is a cross-sectional view of the overall structure of the first embodiment of the utility model taken along the line AA;

[0031] Figure 6 This is a second direction view of the overall structure of the second embodiment of the utility model;

[0032] Figure 7 This is a third-direction view of the overall structure of the second embodiment of the utility model;

[0033] Figure 8 It is a cross-sectional view of the overall structure of the second embodiment of the utility model taken along the AA section.

[0034] Description of reference numerals:

[0035] 1. Dust-proof device,

[0036] 11. main shell, 111. first chamber, 112. air outlet, 113. air outlet, 114. nozzle, 115. air blowing head,

[0037] 12. Isolation plate, 121. First hole,

[0038] 13. Filter device, 131. Filter bracket, 1311. Second hole, 1312. First rod, 1313. Second rod, 1314. Third hole, 132. Filter net, 133. Fastener, 134. Second cavity. DETAILED DESCRIPTION

[0039] In order to facilitate the understanding of the present invention, specific embodiments of the present invention will be described in more detail below with reference to the accompanying drawings.

[0040] Unless otherwise specified or defined, the "first, second..." used in this article is merely used to distinguish names and does not represent a specific quantity or order.

[0041] Unless specifically stated or defined otherwise, the term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0042] It should be noted that, in this document, “fixed to” or “connected to” may mean directly fixing or connecting to an element, or indirectly fixing or connecting to an element.

[0043] Embodiment 1:

[0044] like Figures 1 to 5 The dustproof device 1 shown includes a main shell 11, an isolation plate 12 and a filter device 13; the main shell 11 is fixedly connected to the isolation plate 12, a first cavity 111 is formed between the main shell 11 and the isolation plate 12, the main shell 11 is provided with an air suction port 112 and an air blowing port 113, the air suction port 112 can be connected to an external negative pressure suction device through a connecting pipe, the air suction port 112 is connected to the first cavity 111, the air blowing port 113 can be connected to an external hair dryer, the air blowing port 113 is connected to the first cavity 111, the isolation plate 12 is provided with a first hole 121, the air blowing port 113 corresponds to the isolation plate 12, the filter device 13 is fixedly connected to the isolation plate 12, the filter device The filter holes of 13 are connected to the first cavity 111 through the first holes 121. When the negative pressure suction device sucks the dust of materials with different particle sizes, the small particle dust that meets the specifications enters the first cavity 111 through the filter device 13 and the first holes 121, and is then extracted through the exhaust port 112. The multiple first holes 121 increase the suction area and improve the dust removal efficiency. When large particle materials are blocked on the filter device 13 during the suction process, the negative pressure suction device stops working, and the hair dryer stops working after blowing away the large particle dust on the filter device 13 through the first holes 121. The negative pressure suction device re-sucks and recovers the small particle dust, thereby preventing the large particle dust from clogging and increasing the dust removal time, making the dust removal efficiency higher.

[0045] Focus on combination Figures 1 to 5As shown, further description of the main shell 11 is as follows:

[0046] The main shell 11 is also provided with a nozzle 114 and a blowing head 115, the nozzle 114 is connected to the main shell 11 through the blowing port 113, one side of the nozzle 114 is located in the first cavity 111, and the other side of multiple nozzles 114 is connected to the blowing head 115, the blowing head 115 can be externally connected to a hair dryer, and the hair dryer can connect multiple nozzles 114 through one blowing head 115 to blow to various parts on the isolation plate 12, so that the first holes 121 on the isolation plate 12 can blow out stronger wind force, thereby improving the dust removal effect; the main shell 11 is set to be conical, the air outlet 112 is located at the top of the cone, and the blowing ports 113 are distributed on the cone wall. The main shell 11 with a conical structure can generate a greater pressure in the first cavity, and the negative pressure suction device can be used to suck it during the suction process. The first hole 121 on the lower isolation plate 12 generates a more concentrated suction force, thereby improving the efficiency of dust removal. In the process of clearing clogged dust, the hair dryer can also generate a more concentrated wind force to blow toward the first hole 121, thereby blowing off the dust clogged on the filter device. The outer edge of the main shell 11 is the first connecting edge, and the outer edge of the isolation plate 12 is the second connecting edge. The first connecting edge is parallel to the second connecting edge, and the first connecting edge is fixedly connected to the second connecting edge. The main shell 11 is fixedly connected to the isolation plate 12, thereby ensuring a sealed connection between the main shell 11 and the isolation plate 12. When the negative pressure suction device and the hair dryer are working, a relatively large pressure can be generated in the first cavity 111, thereby concentrating the wind force on the first hole 121 on the isolation plate 12 for suction or dust removal, thereby improving the dust removal efficiency.

[0047] Focus on combination Figures 2 to 5 As shown, the filtering device 13 is further described:

[0048] The filter device 13 includes a filter support 131 and a filter screen 132. The filter support 131 is protrudingly arranged below the isolation plate 12. The upper end of the filter support 131 is fixedly connected to the isolation plate 12. The filter screen 132 is arranged on one side of the filter support 131. The filter support 131 includes a second hole 1311. The minimum aperture of the second hole 1311 is larger than the aperture of the filter hole of the filter screen 132. When suction is performed, negative pressure can be generated in the filter device 13 and the first chamber 111 to enhance the suction wind force, so that small particles can be filtered by the filter device 13 first and then extracted and recovered. This structure can be achieved by adding a filter 13 at the bottom of the isolation plate 12. The area is used to improve the efficiency of simultaneous filtering and recovery. The top of the filter bracket 131 is set as an open structure. A third hole 1314 is formed on the filter bracket 131. The third hole 1314 corresponds to the first hole 121. The third hole 1314 can correspond to a single first hole 121 or to several first holes 121 at the same time. There are multiple filter devices 13, and the isolation plate 12 is provided with multiple first holes 121. The filter devices 13 correspond to the first holes 121 one by one. The multiple first holes 121 on the isolation plate 12 correspond to the filter devices 13 at the bottom one by one, so that the suction wind force of each filter device 13 is more concentrated, thereby further improving the dust removal efficiency.

[0049] Focus on combination Figures 2 to 5 , the filter support 131 and the filter screen 132 are further described:

[0050] The filter bracket 131 includes a first rod 1312 and a second rod 1313; a plurality of the first rods 1312 and a plurality of the second rods 1313 are staggered to form the filter bracket 131, and the staggered holes between the first rods 1312 and the second rods 1313 form the second holes 1311; since the filter bracket 131 is a component that directly contacts the recovered dust, the filter bracket 131 is arranged outside the main shell 11, and the first rods 1312 and the second rods 1313 are staggered to form the filter bracket 131, so that the filter bracket 131 still has strong stability during suction, thereby improving the filter The service life of the bracket 131; the filter screen 132 is sleeved on the outside of the filter bracket 131 from the bottom of the filter bracket 131, and the connection part of the filter screen 132 and the filter bracket 131 is close to the first hole 121 of the isolation plate 12. The outside of the filter bracket 131 is also provided with a fastener 133, and the filter screen 132 is fixed to the outside of the filter bracket 131 through the fastener 133, which can strengthen the cooperation between the filter screen 132 and the filter bracket 131, ensure the negative pressure suction effect in the second chamber 134, and filter dust passes through the filter hole of the filter screen 132 and then passes through the filter bracket. The filter bracket 131 is configured to be a cylindrical filter, which can increase the filtering area of ​​the filter bracket 131 for sucking small particles of material outside the filter bracket 131, and each section of the cylindrical filter bracket 131 is connected to the first chamber 111 through the third hole 1314. The surface is equal to the area of ​​the first hole 121, so that the materials recovered at different positions pass through the first hole 121 in sequence according to the distance close to the first hole 121, thereby reducing the recovery pressure of the first hole 121. The total area of ​​the second holes 1311 on the filter bracket 131 is greater than the total area of ​​the first holes 121. Compared with the traditional recovery and filtering device 13, the area of ​​the first hole 121 determines the filtering area of ​​the material. In this device, the second hole 1311 on the filter bracket 131 sucks the material. Increasing the area of ​​the second hole 1311 further increases the filtering area of ​​the material, thereby improving the recovery and dust removal efficiency of the material.

[0051] Embodiment 2:

[0052] like Figure 1 , Figures 6 to 8The dust-proof device 1 shown comprises a main shell 11, an isolation plate 12 and a filter device 13; the main shell 11 is fixedly connected to the isolation plate 12, a first cavity 111 is formed between the main shell 11 and the isolation plate 12, the main shell 11 is provided with an air suction port 112 and an air blowing port 113, the air suction port 112 is connected to the first cavity 111, and the air blowing port 113 is connected to the first cavity 111; the isolation plate 12 is provided with a first hole 121, the air blowing port 113 corresponds to the isolation plate 12, the filter device 13 is fixedly connected to one side of the isolation plate 12, the first hole 121 is connected to the first cavity 111 through the filter hole of the filter device 13; the air suction port 112 above the dust-proof device 1 can be connected to an external negative pressure suction device, and the filter device 13 is fixedly connected to the isolation plate 12 at the bottom. The plate 12, the multiple first holes 121 on the isolation plate 12 correspond to the filter device 13. When the negative pressure suction device sucks materials of different particle sizes in the material bin, small particle materials that meet the specifications enter the first cavity 111 through the first hole 121 and the filter device 13, and are then extracted through the exhaust port 112. The multiple first holes 121 increase the suction area and improve the recovery efficiency. When large particle materials are blocked on the filter device 13 during the suction process, the negative pressure suction device stops working. The blowing port 113 above the dustproof device 1 can be connected to an external hair dryer. The hair dryer blows away the large particle materials on the filter device 13 through the first hole 121 for dust removal and then stops working. The negative pressure suction device re-suctions and recovers the small particle materials, thereby preventing the large particle materials from being blocked by dust and increasing the dust removal time, so that the recovery and dust removal efficiency are higher.

[0053] Focus on combination Figure 1 , Figures 6 to 8As shown, it also includes a nozzle 114 and a blowing head 115, the nozzle 114 is connected to the main shell 11 through the blowing port 113, one side of the nozzle 114 is located in the first cavity 111, and the other side of multiple nozzles 114 is connected to the blowing head 115. Since the blowing ports 113 are distributed on the main shell 11, the hair dryer can connect multiple nozzles 114 through one blowing head 115 to blow to various parts on the isolation plate 12, so that the first holes 121 on the isolation plate 12 can blow out stronger wind force, improve the dust removal effect, and then improve the dust removal efficiency; the main shell 11 is set to be conical, the exhaust port 112 is located in the middle of the main shell 11, and the blowing port 113 is located in the middle of the main shell 11. 3 are evenly distributed along the conical outer side of the main shell 11. In the sealed material bin, the negative pressure suction device can generate a negative pressure effect on the first hole 121 on the lower isolation plate 12 during the suction process, and gather stronger suction through the first hole 121 to improve the efficiency of recovery filtration. The hair dryer can also generate more concentrated wind to blow to the first hole 121 during the dust removal process, so as to improve the dust removal efficiency. The filtering device 13 is a filter screen 132, which is attached to the isolation plate 12. The filter hole of the filter screen 132 is smaller than the aperture of the first hole 121, and the structure is simple and the cost is low. The efficiency of recovery filtration can be improved by increasing the area of ​​the first hole 121.

[0054] The above embodiments are not exhaustive enumerations based on the present invention, and there may be multiple other implementations not listed. Any replacement and improvement made without violating the concept of the present invention shall fall within the protection scope of the present invention.

Claims

1. A dustproof device, characterized in that: It includes a main shell, a partition plate and a filter device; The main shell is fixedly connected to the isolation plate, a first cavity is formed between the main shell and the isolation plate, the main shell is provided with an air suction port and an air blowing port, the air suction port is connected to the first cavity, and the air blowing port is connected to the first cavity; The isolation plate is provided with a first hole, the blowing port corresponds to the isolation plate, the filter device is fixedly connected to one side of the isolation plate, and the filter hole of the filter device is connected to the first cavity through the first hole; The filter device comprises a filter support and a filter screen, wherein the filter support is protrudingly arranged below the isolation plate, and the filter screen is arranged on the filter support; The filter support comprises a second hole, and the minimum aperture of the second hole is larger than the aperture of the filter hole of the filter net.

2. The dustproof device according to claim 1, characterized in that: The filter support comprises a first rod and a second rod; A plurality of the first rods and a plurality of the second rods are staggered to form the bracket, and staggered holes between the first rods and the second rods form the second holes.

3. The dustproof device according to claim 2, characterized in that: A fastener is also provided on the outside of the filter bracket, and the fastener is close to the first hole; The filter screen is fixed to the outside of the filter bracket by the fastener, and the filter screen is attached to the filter bracket.

4. The dustproof device according to claim 3, characterized in that: An opening structure is arranged above the filter support, and a third hole is formed above the filter support, and the third hole corresponds to the first hole; The filter support and the filter screen form a second cavity, and the second cavity is connected to the first cavity through the third hole.

5. The dustproof device according to claim 4, characterized in that: There are a plurality of filtering devices, the isolation plate is provided with a plurality of the first holes, and the filtering devices correspond to the first holes one by one; The filter support is configured in a cylindrical shape, and the total area of ​​the second holes on the filter support is greater than the total area of ​​the first holes.

6. The dustproof device according to any one of claims 1 to 5, characterized in that: The main shell is configured in a conical shape; The air suction port is located in the middle of the main shell, and the air blowing ports are evenly distributed along the conical outer side of the main shell.

7. The dustproof device according to claim 6, characterized in that: It also includes a nozzle and a blowing head, wherein the nozzle is connected to the main shell through the blowing port; One side of the nozzle is located in the first cavity, and the other sides of the plurality of nozzles are connected to the blowing head.

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