Secondary filter

Abstract

The present application relates to a secondary filter, and to the technical field of filtering devices, which includes a filter barrel and a filtering device, wherein the filter barrel includes a barrel body and a barrel cover, wherein the barrel body and the barrel cover are adapted and fixedly connected, wherein the barrel body is provided with a feed port and a discharge port, and wherein the barrel cover is provided with an air outlet; wherein the filtering device includes a filter cartridge, an air storage bag, and an air supply assembly, wherein the filter cartridge is located in the inner cavity of the barrel body and is fixedly connected to the barrel body; wherein the air supply assembly includes a control valve and an exhaust pipe, wherein the control valve and the exhaust pipe are connected in series, wherein the exhaust pipe is passed through the barrel cover and is fixedly connected to the barrel cover, wherein one end of the exhaust pipe is connected to the air storage bag, and the other end is located in the inner cavity of the filter cartridge, and wherein the exhaust pipe is provided with a plurality of exhaust holes. The present application has the effect of being able to better filter materials in the air.

Description

Technical Field

[0001] The present application relates to the technical field of filter devices, and in particular to secondary filters. Background Art

[0002] When some powdered materials need to be transported, pipeline transportation is usually used, and gas is used to transport the materials, thereby ensuring the transportation effect of the materials and preventing the materials in the pipeline from being affected by gas flow, etc., which will cause the materials to diffuse into the external environment and cause certain harm to the surrounding environment and the health of the operators.

[0003] In the related technology, after the powdered material is transported by pipeline, it needs to go through the first filtration so that the powder and material in the gas remain in the filter. At this time, the operator only needs to perform corresponding processing on the filter, and then obtain the material transported by the gas at the corresponding position to complete the material transportation operation.

[0004] With regard to the above-mentioned related technologies, simply relying on the filter to perform the corresponding one-time filtering operation cannot fully filter the materials in the gas, so that some materials cannot be fully filtered, and then spread to the external environment after passing through the filter, thereby causing pollution to the surrounding environment and waste of resources. Utility Model Content

[0005] In order to better filter the materials in the air, the present application provides a secondary filter.

[0006] This application provides a secondary filter, which adopts the following technical solution:

[0007] The secondary filter comprises a filter barrel and a filter device, wherein the filter barrel comprises a barrel body and a barrel cover, wherein the barrel body and the barrel cover are adapted and fixedly connected, the barrel body is provided with a feed inlet and a discharge outlet, and the barrel cover is provided with an air outlet;

[0008] The filtering device includes a filter cartridge, an air storage bag and an air supply assembly, the filter cartridge is located in the inner cavity of the barrel body and is fixedly connected to the barrel body; the air supply assembly includes a control valve and an exhaust pipe, the control valve and the exhaust pipe are connected in series, the exhaust pipe is passed through the barrel cover and is fixedly connected to the barrel cover, one end of the exhaust pipe is connected to the air storage bag, and the other end is located in the inner cavity of the filter cartridge, and the exhaust pipe is provided with a plurality of exhaust holes.

[0009] By adopting the above technical solution, the cooperation between the barrel body and the barrel cover can provide support for the installation of the filter cartridge, and at the same time can seal the filter cartridge and the external environment, effectively preventing the powdered materials in the air from entering the external environment. The control valve controls the gas in the air storage bag to be discharged into the interior of the filter cartridge through the exhaust pipe, and the back-blowing operation is performed from the inside of the filter cartridge, thereby blowing off the materials attached to the surface of the filter cartridge, and the filter cartridge can maintain a certain filtering capacity, so that the powdered materials can be filtered.

[0010] Optionally, the air supply assembly also includes an air intake pipe, a connecting pipe and a tee, the air intake pipe, the connecting pipe and the tee are connected in series and two adjacent structures are fixedly connected, the air intake pipe and the air storage bag are fixedly connected; the end of the tee is fixedly connected with a fixed pipe, and the exhaust pipe and the fixed pipe are fixedly connected.

[0011] By adopting the above technical solution, the setting of the air inlet pipe can transmit the airflow to the connecting pipe. The connecting pipe is connected to the tee. The tee transmits the airflow to the fixed pipe, and then transmits it to the exhaust pipe by the fixed pipe, so that the gas is blown in the reverse airflow through the exhaust pipe, and then the filter cartridge is blown.

[0012] Optionally, a horizontal plate is fixedly connected to the interior of the cartridge body, and a support rod is provided in the inner cavity of the filter cartridge, one end of the support rod is fixedly connected to the filter cartridge, and the other end is fixedly connected to the horizontal plate;

[0013] The horizontal plate is provided with a through hole, and the through hole is used to accommodate the exhaust pipe.

[0014] By adopting the above technical solution, the horizontal plate provides support for the installation of the support rod, and the support rod can provide support for the installation of the filter cartridge, thereby installing the filter cartridge on the horizontal plate. The horizontal plate is provided with a through hole, so that the exhaust pipe can pass through the horizontal plate and perform a reverse blowing operation on the filter cartridge, thereby achieving the effect of shaking off dust from the filter cartridge.

[0015] Optionally, the air storage bag is provided with a pressure regulating valve, and the pressure regulating valve and the air storage bag are fixedly connected.

[0016] By adopting the above technical solution and setting the pressure regulating valve, the pressure in the air storage bag can be adjusted, thereby performing a better blowing operation on the filter cartridge.

[0017] Optionally, the air storage bag is provided with a pressure relief valve, and the pressure relief valve is fixedly connected to the air storage bag.

[0018] By adopting the above technical solution and setting the pressure relief valve, when the pressure in the air storage bag is relatively high, it is convenient for the operator to perform pressure relief operations on the pressure in the air storage bag.

[0019] Optionally, it also includes a supporting device, which includes a rectangular supporting frame, the barrel is disposed on the supporting frame and fixedly connected to the supporting frame, and a supporting leg is provided at each corner of the supporting frame, the supporting leg is fixedly connected to the supporting frame, and the height of the supporting leg is adjustable.

[0020] By adopting the above technical solution, the setting of the support frame can limit and support the cylinder body, thereby ensuring that the cylinder body always remains in a vertical state. The legs can provide stable support for the support frame, and the length of the legs is adjustable, further keeping the cylinder body vertical.

[0021] Optionally, an adjustment assembly is provided at the bottom of the leg, and the adjustment assembly includes an adjustment bolt and a support pad, the adjustment bolt and the support pad are fixedly connected, and the adjustment bolt and the leg are threadedly connected.

[0022] By adopting the above technical solution and adjusting the setting of the assembly, the operator can adjust the distance between the support pad and the leg by rotating the adjusting bolt, and then adjust the distance between the leg and the ground, so that the barrel can always remain in a vertical state.

[0023] Optionally, support components are evenly distributed around the side wall of the barrel, and the support components include an abutment plate, a fixing plate and a mounting plate. The abutment plate is fixedly connected to the barrel, the fixing plate is fixedly connected to the support frame, the mounting plate is fixedly connected to the fixing plate, and reinforcing ribs are provided on both sides of the mounting plate, one end of the reinforcing rib is fixedly connected to the mounting plate, and the other end is fixedly connected to the abutment plate.

[0024] By adopting the above technical solution, the abutment plate is fixed to the cylinder body, the fixing plate is fixed to the support frame, the mounting plate can serve as an installation support for the reinforcing ribs, and then the abutment plate and the fixing plate are connected. At the same time, the reinforcing ribs can ensure the connection stability between the abutment plate and the fixing plate.

[0025] In summary, the present application includes at least one of the following beneficial technical effects:

[0026] 1. By setting up the filtering device, it can make reciprocating motion from the inside of the filter cartridge, and then perform corresponding vibration operation on the filter cartridge to shake the material off, and the filter screen can still maintain a certain filtering effect;

[0027] 2. By setting the pressure regulating valve and the pressure relief valve, it is convenient for the operator to adjust the air pressure in the air storage bag;

[0028] 3. By setting up the supporting device, it is convenient for the operator to adjust the position and angle of the barrel. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1It is a schematic diagram of the overall structure of the embodiment of the present application;

[0030] Figure 2 It is a schematic diagram of the cross-sectional structure of an embodiment of the present application;

[0031] Figure 3 yes Figure 1 The enlarged schematic diagram of part A in the middle;

[0032] Figure 4 yes Figure 1 Enlarged schematic diagram of part B in the middle.

[0033] Figure numerals: 1, support device; 11, support frame; 12, support leg; 13, adjustment assembly; 131, adjustment bolt; 132, support pad; 2, filter barrel; 21, barrel body; 22, barrel cover; 23, feed inlet; 24, discharge port; 25, discharge pipe; 26, valve; 27, air outlet; 28, support assembly; 281, abutment plate; 282, fixing plate; 283, mounting plate; 284, reinforcing rib; 29. Horizontal plate; 291. Through hole; 3. Filter device; 31. Filter cartridge; 32. Support rod; 33. Air storage bag; 34. Connecting assembly; 341. Support plate; 342. Connecting plate; 343. Connecting bolt; 35. Pressure regulating valve; 36. Pressure relief valve; 37. Air supply assembly; 371. Air inlet pipe; 372. Control valve; 373. Connecting pipe; 374. Tee; 375. Fixed pipe; 376. Exhaust pipe. DETAILED DESCRIPTION

[0034] The following is combined with Figure 1-4 This application is described in further detail.

[0035] The embodiments of the present application disclose a secondary filter.

[0036] Reference Figure 1 and Figure 2 The secondary filter includes a supporting device 1, a filter barrel 2 and a filter device 3.

[0037] Reference Figure 1 The support device 1 includes a support frame 11. In this embodiment, the support frame 11 is composed of four fixed rods, and the support rod 32 is preferably a rectangular rod. The support rod 32 is horizontally arranged, and the four support rods 32 are connected end to end in sequence to form a rectangular frame. The two connected fixed rods are fixedly connected by welding.

[0038] Reference Figure 1 The supporting device 1 also includes a supporting leg 12. In this embodiment, the supporting leg 12 is vertically arranged, and the horizontal cross-section of the supporting leg 12 is rectangular. A supporting leg 12 is provided at each corner of the supporting frame 11, and the supporting leg 12 is fixedly connected to the supporting frame 11 by welding.

[0039] Reference Figure 1 The support device 1 also includes an adjustment component 13. In this embodiment, the bottom wall of each leg 12 is equipped with an adjustment component 13. The adjustment component 13 includes an adjustment bolt 131 and a support pad 132. The adjustment bolt 131 is fixedly connected to the support pad 132 by screw fixing, and the end of the adjustment bolt 131 is threadedly connected to the leg 12. In this embodiment, the support pad 132 is preferably a circular pad.

[0040] Reference Figure 1 and Figure 2 The filter barrel 2 includes a barrel body 21 and a barrel cover 22. In this embodiment, the barrel body 21 is preferably a hollow cylindrical barrel body, the top of the barrel body 21 is open, and the bottom of the barrel body 21 is constricted. The barrel body 21 is provided with a feed port 23 in the horizontal direction above the constriction, and a discharge port 24 is provided in the vertical direction at the bottom of the constriction. A discharge pipe 25 is provided at the discharge port 24. The discharge pipe 25 is coaxially arranged with the barrel body 21, and the discharge pipe 25 is fixedly connected to the barrel body 21 by welding. A valve 26 is provided at the discharge pipe 25, and the valve 26 is fixedly connected to the discharge pipe 25 by screws.

[0041] Reference Figure 1 and Figure 2 In this embodiment, the barrel cover 22 is preferably a circular cover with an opening facing downward, and the barrel cover 22 is adapted to the barrel body 21, and the barrel cover 22 and the barrel body 21 are coaxially fixedly connected by screws. The top of the barrel cover 22 is configured in a constricted shape, and an air outlet 27 is provided at the constricted portion in a vertical direction.

[0042] Reference Figure 1 , Figure 2 and Figure 3 , the filter barrel 2 also includes a plurality of support assemblies 28. In this embodiment, the number of support assemblies 28 is preferably four, and the four support assemblies 28 are evenly distributed in the vertical direction. The support assembly 28 includes an abutment plate 281, a fixing plate 282, a mounting plate 283 and two reinforcing ribs 284. The abutment plate 281 is vertically arranged, and the abutment plate 281 is attached to the outer wall of the barrel 21 and is fixedly connected to the barrel 21 by welding. The fixing plate 282 is horizontally arranged and is fixedly connected to the support frame 11 by welding. The mounting plate 283 is horizontally arranged and is fixedly connected to the top wall of the fixing plate 282 by screw fixing. The two reinforcing ribs 284 are respectively located at the two ends of the long side direction of the mounting plate 283. In this embodiment, the reinforcing rib 284 is preferably a right-angled triangular plate, and one right-angled side of the reinforcing rib 284 is attached to the mounting plate 283 and is fixedly connected to the mounting plate 283 by welding, and the other right-angled side is attached to the abutment plate 281 and is fixedly connected to the abutment plate 281 by welding.

[0043] Reference Figure 1 and Figure 2The inner cavity of the barrel 21 is provided with a horizontal plate 29. In this embodiment, the horizontal plate 29 is preferably a circular plate, and the side wall of the horizontal plate 29 is attached to the inner wall of the barrel 21, and the horizontal plate 29 is fixedly connected to the barrel 21 by welding. The top wall of the horizontal plate 29 is penetrated with a through hole 291 along the vertical direction. In this embodiment, the number of the through holes 291 is preferably four, and the shape of the through holes 291 is preferably fan-shaped, and the multiple through holes 291 are evenly distributed in the circumferential direction along the vertical direction.

[0044] Reference Figure 1 and Figure 2 The filtering device 3 includes a filter cartridge 31 and a support rod 32. In the present embodiment, the filter cartridge 31 is preferably a hollow cylindrical cartridge. The support rod 32 is vertically arranged and coaxially arranged with the filter cartridge 31. One end of the support rod 32 is fixedly connected to the filter cartridge 31 by means of screws, and the other end is fixedly connected to the horizontal plate 29 by means of screws.

[0045] Reference Figure 1 , Figure 2 and Figure 4 The filtering device 3 also includes an air storage bag 33, which is horizontally arranged. Both ends of the air storage bag 33 in the length direction are provided with connecting components 34, and the connecting components 34 include a support plate 341, a connecting plate 342 and two connecting bolts 343. The support plate 341 is vertically arranged and fixedly connected to the cylinder body 21 by welding. An adjusting groove is provided at one end of the support plate 341 away from the cylinder body 21, and the long side direction of the adjusting groove is vertical. The connecting plate 342 is vertically arranged and fixedly connected to the air storage bag 33 by welding. The two connecting bolts 343 are arranged in sequence along the length direction of the adjusting groove. The connecting bolts 343 are sequentially penetrated through the adjusting groove and the connecting plate 342, and are threadedly connected to the connecting plate 342.

[0046] Reference Figure 1 A pressure regulating valve 35 is provided at the end of the air storage bag 33, and the pressure regulating valve 35 is fixedly connected to the air storage bag 33 by screws. A pressure relief valve 36 is provided at the bottom of the air storage bag 33, and the pressure relief valve 36 is fixedly connected to the air storage bag 33 by screws.

[0047] Reference Figure 1 and Figure 2The filter device 3 also includes an air supply assembly 37, which includes an air inlet pipe 371, a control valve 372, a connecting pipe 373, a tee 374 and two fixed pipes 375. The air inlet pipe 371 is vertically arranged and fixedly connected to the air storage bag 33 by screw fixing. The control valve 372 is fixedly connected to the air storage bag 33 by screw fixing. The connecting pipe 373 is horizontally arranged. One end of the connecting pipe 373 is fixedly connected to the control valve 372, and the other end is passed through the barrel cover 22 and fixedly connected to the barrel cover 22 by screw fixing. The tee 374 is located in the inner cavity of the barrel cover 22 and fixedly connected to the connecting pipe 373 by screw fixing. The two fixed pipes 375 are respectively connected to the two idle ports of the tee 374 by means of a clamp.

[0048] Reference Figure 1 and Figure 2 Each fixed tube 375 is provided with two exhaust tubes 376 along the length direction. In this embodiment, each through hole 291 is used to accommodate an exhaust tube 376. The exhaust tube 376 is fixedly connected to the fixed tube 375 by screws, and exhaust holes are provided at intervals on the side walls of the exhaust tube 376.

[0049] The implementation principle of the secondary filter in the embodiment of the present application is: the operator first rotates the adjustment bolt 131 to keep the cylinder body 21 vertical.

[0050] The air flow carrying the material enters the inner cavity of the barrel 21 through the feed port 23 , and then the powdered material is collected by the filter cartridge 31 .

[0051] The operator controls the gas in the gas storage bag 33 through the control valve 372 to enter the fixed pipe 375 through the tee 374, and then vibrates the filter cartridge 31 through the exhaust hole in the exhaust pipe 376, thereby shaking off the powder attached to the filter cartridge 31.

[0052] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. Secondary filter, characterized by: The invention comprises a filter barrel (2) and a filter device (3), wherein the filter barrel (2) comprises a barrel body (21) and a barrel cover (22), wherein the barrel body (21) and the barrel cover (22) are adapted and fixedly connected, the barrel body (21) is provided with a material inlet (23) and a material outlet (24), and the barrel cover (22) is provided with an air outlet (27); The filtering device (3) comprises a filter cartridge (31), an air storage bag (33) and an air supply assembly (37); the filter cartridge (31) is located in the inner cavity of the barrel body (21) and is fixedly connected to the barrel body (21); the air supply assembly (37) comprises a control valve (372) and an exhaust pipe (376); the control valve (372) and the exhaust pipe (376) are connected in series; the exhaust pipe (376) is passed through the barrel cover (22) and is fixedly connected to the barrel cover (22); one end of the exhaust pipe (376) is in communication with the air storage bag (33) and the other end is located in the inner cavity of the filter cartridge (31); the exhaust pipe (376) is provided with a plurality of exhaust holes.

2. The secondary filter according to claim 1, characterized in that: The air supply assembly (37) further comprises an air intake pipe (371), a connecting pipe (373) and a tee (374); the air intake pipe (371), the connecting pipe (373) and the tee (374) are connected in series and two adjacent structures are fixedly connected; the air intake pipe (371) and the air storage bag (33) are fixedly connected; a fixed pipe (375) is fixedly connected to the end of the tee (374); and the exhaust pipe (376) and the fixed pipe (375) are fixedly connected.

3. The secondary filter according to claim 2, characterized in that: A horizontal plate (29) is fixedly connected to the interior of the cylinder body (21), a support rod (32) is provided in the inner cavity of the filter cartridge (31), one end of the support rod (32) is fixedly connected to the filter cartridge (31), and the other end is fixedly connected to the horizontal plate (29); The horizontal plate (29) is provided with a through hole (291), and the through hole (291) is used to accommodate the exhaust pipe (376).

4. The secondary filter according to claim 1, characterized in that: The gas storage bag (33) is provided with a pressure regulating valve (35), and the pressure regulating valve (35) and the gas storage bag (33) are fixedly connected.

5. The secondary filter according to claim 1, characterized in that: The air storage bag (33) is provided with a pressure relief valve (36), and the pressure relief valve (36) and the air storage bag (33) are fixedly connected.

6. The secondary filter according to claim 1, characterized in that: The invention also comprises a supporting device (1), wherein the supporting device (1) comprises a rectangular supporting frame (11), the barrel (21) is passed through the supporting frame (11) and is fixedly connected to the supporting frame (11), and each corner of the supporting frame (11) is provided with a supporting leg (12), the supporting leg (12) is fixedly connected to the supporting frame (11), and the height of the supporting leg (12) is adjustable.

7. The secondary filter according to claim 6, characterized in that: An adjustment assembly (13) is provided at the bottom of the supporting leg (12), and the adjustment assembly (13) comprises an adjustment bolt (131) and a support pad (132), the adjustment bolt (131) and the support pad (132) are fixedly connected, and the adjustment bolt (131) and the supporting leg (12) are threadedly connected.

8. The secondary filter according to claim 6, characterized in that: The side wall of the barrel (21) is evenly distributed with a support assembly (28) in the circumferential direction. The support assembly (28) comprises an abutment plate (281), a fixing plate (282) and a mounting plate (283). The abutment plate (281) is fixedly connected to the barrel (21), the fixing plate (282) is fixedly connected to the support frame (11), the mounting plate (283) is fixedly connected to the fixing plate (282), and reinforcing ribs (284) are provided on both sides of the mounting plate (283). One end of the reinforcing rib (284) is fixedly connected to the mounting plate (283), and the other end is fixedly connected to the abutment plate (281).

Images