Waste gas filtering equipment for chemical treatment

Abstract

The utility model discloses waste gas filtering equipment for chemical treatment, and belongs to the technical field of chemical equipment. Waste gas filtering equipment for chemical treatment comprises an L-shaped waste gas channel, the inlet end of the L-shaped waste gas channel is communicated with a waste gas discharging pipeline of chemical equipment, an opening is formed in the outer wall of the corner of the waste gas channel, a fan-shaped filtering box is arranged in the opening, and a first filtering net plate is arranged at the inlet end of the fan-shaped filtering box; a second filter screen plate is arranged at the outlet end of the fan-shaped filter box, the top of the fan-shaped filter box is connected with the waste gas channel through a detachable hinging piece, and the bottom of the fan-shaped filter box is connected with the waste gas channel through a buckling piece; the fan-shaped filter box has the advantages that the fan-shaped filter box can be conveniently and quickly replaced, and normal emission of waste gas is not influenced when the fan-shaped filter box is replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical equipment, in particular to waste gas filtering equipment for chemical processing. Background Art

[0002] Chemical waste gas usually contains a large amount of dust, and direct discharge will cause environmental pollution. At the same time, since some chemical dust contains a small amount of precious metals, it can be recycled and reused or processed and sold.

[0003] In the prior art, a Chinese utility model patent document with the announcement number CN210728973U provides a chemical equipment waste gas filter device, including a connecting channel and a transition box, one end of the connecting channel is fixedly connected to the chemical equipment waste gas discharge pipeline, and the other end is fixedly connected to the transition box, and the chemical equipment waste gas filter device also includes a connecting frame, a primary filtering mechanism, an L-shaped exhaust channel and a secondary filtering mechanism, a plurality of connecting frames are fixedly connected to the transition box, and the plurality of connecting frames are connected to the transition box, each transition box is slidably connected to a primary filtering mechanism and fixed to each other by bolts, and the other ends of the plurality of connecting frames are fixedly connected to an L-shaped exhaust channel, and each L-shaped exhaust channel is provided with an inclined surface at the corner, and each inclined surface is slidably connected to a secondary filtering mechanism and the two are fixed to each other by bolts. A large amount of dust carried in the chemical waste gas can be effectively filtered out, and it is convenient to clean.

[0004] However, the above utility model has the following defects: first, the primary filter mechanism and the secondary filter mechanism require many disassembly operations, which are not convenient for quick replacement; the second and secondary filter mechanisms are located at the corners of the L-row exhaust passage, and when the exhaust gas flows through the corners, the smoke and dust that does not contact the sticky plate cannot be filtered, which needs to be improved. Utility Model Content

[0005] The utility model aims to solve the problem that the primary filter mechanism and the secondary filter mechanism of the waste gas filter device in the prior art have many disassembly steps and are inconvenient for rapid replacement, and proposes a waste gas filter device for chemical treatment.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A waste gas filtering device for chemical processing, comprising an L-shaped waste gas channel whose inlet end is connected to the waste gas emission pipe of the chemical equipment, an opening is provided on the outer wall at the corner of the waste gas channel, a fan-shaped filter box is provided in the opening, a first filter screen plate is provided at the inlet end of the fan-shaped filter box, a second filter screen plate is provided at the outlet end of the fan-shaped filter box, the top of the fan-shaped filter box is connected to the waste gas channel by a detachable hinge, and the bottom of the fan-shaped filter box is connected to the waste gas channel by a buckle.

[0008] Furthermore, the hinged member includes a second connecting groove, the cross section of which is U-shaped with an opening facing upward, a second connecting rod is movably provided inside the second connecting groove, and the second connecting rod is fixedly connected to the top of the fan-shaped filter box.

[0009] Furthermore, the fastener includes a first connecting groove and a safety pin. The cross-section of the first connecting groove is a U-shape opening downward. A first connecting rod is movably arranged inside the first connecting groove. The first connecting rod is connected to the bottom of the fan-shaped filter box. The safety pin passes through the first connecting groove and the first connecting rod.

[0010] Furthermore, a reinforcing rib is provided between the hinge and the buckle, and the reinforcing rib is fixedly connected to the outer wall surface of the sector-shaped filter box.

[0011] Furthermore, it also includes a connecting channel located between the waste gas emission pipe connected to the chemical equipment and the waste gas channel, and a plurality of partition plates are arranged inside the connecting channel. The partition plates divide the connecting channel into a plurality of independent waste gas sub-channels, and the inlet end of the waste gas channel is connected to the outlet end of the waste gas sub-channel.

[0012] Furthermore, a slide groove is provided inside the exhaust gas branch channel along the vertical direction, and a baffle for closing the exhaust gas branch channel is slidably installed in the slide groove.

[0013] Furthermore, a baffle hanging wall is provided on the top of the exhaust gas passage, a hanging hole is opened on the baffle hanging wall, a baffle pin is movably penetrated on the baffle, and the baffle pin corresponds to the hanging hole.

[0014] Compared with the prior art, the utility model provides a waste gas filtering device for chemical processing, which has the following beneficial effects:

[0015] The utility model discloses an exhaust gas filtering device for chemical treatment. When in use, the chemical exhaust gas enters the exhaust gas pipe from the discharge pipe, passes through a first filter screen plate and a second filter screen plate, filters out the flying smoke and dust, and is then discharged from the exhaust gas pipe. When the first filter screen plate and the second filter screen plate need to be replaced, the buckle joint is unlocked, and then the hinge is rotated and removed, so that the fan-shaped filter box can be removed for replacement. Compared with the prior art, the disassembly and assembly steps of the fan-shaped filter box are simplified, so that it is convenient for quick replacement.

[0016] Other advantages, objectives and features of the present invention will be described in the following description to some extent; and will be apparent to those skilled in the art based on the following examination and study to some extent; or, may be taught from the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1It is a schematic diagram of the exhaust gas channel structure of the utility model from the lower right perspective;

[0018] Figure 2 It is a schematic diagram of the exhaust gas channel structure from the upper right perspective of the utility model;

[0019] Figure 3 It is a schematic diagram of the exhaust gas channel structure of the utility model from the right front view;

[0020] Figure 4 This is a schematic diagram of the fan-shaped filter box structure of the utility model from the right rear perspective;

[0021] Figure 5 This is a schematic diagram of the fan-shaped filter box structure of the utility model from the right front view;

[0022] Figure 6 It is a right front schematic diagram of the connecting channel structure of the utility model;

[0023] Figure 7 It is a right rear schematic diagram of the connecting channel structure of the present utility model.

[0024] In the figure:

[0025] 1. Exhaust gas channel; 2. Fan-shaped filter box; 3. Hinge; 4. Buckle; 41. First connecting groove; 42. First connecting rod; 5. Reinforcement rib; 6. Second connecting rod; 7. Second connecting groove; 8. Safety latch; 9. First filter screen; 10. Second filter screen; 11. Connecting channel; 12. Partition plate; 13. Slide; 14. Baffle wall; 15. Hanging hole; 16. Baffle; 17. Baffle pin; 18. Exhaust gas branch channel. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] Reference Figure 1-7 The utility model discloses an exhaust gas filtering device for chemical treatment, comprising an L-shaped exhaust gas channel 1 whose inlet end is connected to the exhaust gas discharge pipe of the chemical equipment, an opening is arranged on the outer wall at the corner of the exhaust gas channel 1, a fan-shaped filter box 2 is arranged in the opening, a first filter screen plate 9 is arranged at the inlet end of the fan-shaped filter box 2, a second filter screen plate 10 is arranged at the outlet end of the fan-shaped filter box 2, the top of the fan-shaped filter box 2 is connected to the exhaust gas channel 1 by a detachable hinge 3, and the bottom of the fan-shaped filter box 2 is connected to the exhaust gas channel 1 by a buckle 4.

[0028] The corner of the exhaust gas channel 1 is an arc-shaped structure. The first filter screen plate 9 filters out particles with large particle sizes in the exhaust gas, and the second filter screen plate 10 is used to filter out particles with small particle sizes in the exhaust gas. The first filter screen plate 9 and the second filter screen plate 10 are fixedly installed in the fan-shaped filter box 2. The first filter screen plate 9 and the second filter screen plate 10 are perpendicular to the exhaust gas flow direction of the exhaust gas channel 1. When in use, the exhaust gas enters the exhaust gas channel 1 from the inlet end of the exhaust gas channel 1, and then passes through the first filter screen plate 9 from the inlet end of the fan-shaped filter box 2 to enter the fan-shaped filter box 2, and then passes through the second filter screen plate 10 and flows out from the outlet end of the fan-shaped filter box 2, and finally flows out from the exhaust gas channel 1.

[0029] When the fan-shaped filter box 2 needs to be replaced, first unfasten the fastener 4, then rotate the fan-shaped filter box 2 around the hinge 3, take the fan-shaped filter box 2 out of the exhaust gas channel 1, and finally remove the hinge 3, remove the fan-shaped filter box 2, and then connect the new fan-shaped filter box 2 to the hinge 3 first, and then connect the fastener 4, so as to quickly replace the fan-shaped filter box 2.

[0030] The hinge 3 includes a second connecting groove 7 , the cross section of which is U-shaped with the opening facing upward. A second connecting rod 6 is movably provided inside the second connecting groove 7 , and the second connecting rod 6 is fixedly connected to the top of the sector-shaped filter box 2 .

[0031] The second connecting rod 6 is rotatably connected to the second connecting groove 7 and can be stably hung in the second connecting groove 7. The second connecting rod 6 is inserted into the second connecting groove 7 from the opening or taken out from the second connecting groove 7 according to the needs of disassembling the fan-shaped filter box 2.

[0032] The fastener 4 includes a first connecting groove 41 and a safety pin 8. The cross-section of the first connecting groove 41 is a U-shape with an opening downward. A first connecting rod 42 is movably arranged inside the first connecting groove 41. The first connecting rod 42 is connected to the bottom of the fan-shaped filter box 2. The safety pin 8 passes through the first connecting groove 41 and the first connecting rod 42.

[0033] The sector filter box 2 rotates around the hinge 3. When the sector filter box 2 is installed in place in the exhaust passage 1, the first connecting rod 42 rotates and snaps into the first connecting groove 41. The safety pin 8 is inserted to prevent the first connecting rod 42 from automatically detaching from the first connecting groove.

[0034] A reinforcing rib 5 is provided between the hinge 3 and the buckle 4 , and the reinforcing rib 5 is fixedly connected to the outer wall surface of the sector-shaped filter box 2 .

[0035] The first connecting rod 42 and the second connecting rod 6 are both connected to the fan-shaped filter box 2 through the third connecting rod. The reinforcing rib 5 is also connected to the third connecting rod and fits with the outer wall of the fan-shaped filter box 2 to ensure the structural strength of the fan-shaped filter box 2 and the overall structural strength of the fan-shaped filter box 2 and the hinge 3 and the buckle 4.

[0036] The device also includes a connecting channel 11 located between the waste gas emission pipeline connected to the chemical equipment and the waste gas channel 1. A plurality of partition plates 12 are arranged inside the connecting channel 11. The partition plates 12 divide the connecting channel 11 into a plurality of independent waste gas sub-channels 18. The inlet end of the waste gas channel 1 is connected to the outlet end of the waste gas sub-channel 18.

[0037] The interior of the connecting channel 11 is evenly divided into a plurality of waste gas sub-channels 18 by a partition plate 12; the waste gas discharge pipe of the chemical equipment is connected to the inlet end of the connecting channel 11; the outlet end of the connecting channel 11 is connected to the inlet end of the waste gas channel 1, so that the waste gas discharged by the chemical equipment can be evenly divided into multiple parts for discharge from different waste gas channels 1.

[0038] A slide groove 13 is vertically arranged inside the exhaust gas branch channel 18 , and a baffle 16 for closing the exhaust gas branch channel 18 is slidably installed in the slide groove 13 .

[0039] When it is necessary to replace the fan-shaped filter box 2 in a certain exhaust gas channel 1, the baffle 16 of the corresponding exhaust gas branch channel 18 is closed, and the fan-shaped filter box 2 is removed for replacement to avoid affecting the normal discharge and filtering operation of the exhaust gas.

[0040] A baffle hanging wall 14 is provided at the top of the exhaust gas passage 1 , a hanging hole 15 is opened on the baffle hanging wall 14 , a baffle pin 17 is movably penetrated on the baffle 16 , and the baffle pin 17 corresponds to the hanging hole 15 .

[0041] A sealing gasket is installed between the baffle 16 and the connecting channel 11. The baffle 16 is in an open state by default. When opening, slide the baffle 16 upward to align the baffle pin 17 with the hanging hole 15, and then insert the baffle pin 17 into the hanging hole 15, so that the baffle 16 is hung on the baffle hanging wall 14, and the exhaust gas branch channel 18 corresponding to the baffle 16 is kept in an open state. When the exhaust gas branch channel 18 needs to be closed, pull out the baffle pin 17 to lower the baffle 16.

[0042] Working principle: When in use, the connecting channel 11 is docked and installed at the outlet end of the chemical waste gas discharge pipeline, and then multiple waste gas channels 1 are docked and installed with the corresponding waste gas sub-channels 18. After the chemical waste gas is evenly divided by the partition plate 12 in the connecting channel 11, it enters the waste gas channel 1 from the waste gas sub-channel 18, and is filtered by the first filter screen plate 9 and the second filter screen plate 10 before being discharged from the waste gas channel 1;

[0043] When the fan-shaped filter box 2 needs to be replaced, first lower the corresponding baffle 16, then remove the corresponding safety pin 8, take out the first connecting rod 42 from the first connecting groove 41, rotate the fan-shaped filter box 2, and after taking out the fan-shaped filter box 2, lift the fan-shaped filter box 2 upwards, take out the second connecting rod 6 from the second connecting groove 7, and finally install the new fan-shaped filter box 2 and open the baffle 16.

[0044] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0045] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0046] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A waste gas filtering device for chemical processing, comprising an L-shaped waste gas channel (1) whose inlet end is connected to a waste gas discharge pipe of a chemical device, characterized in that: An opening is provided on the outer wall at the corner of the exhaust gas channel (1), and a fan-shaped filter box (2) is provided in the opening. A first filter screen plate (9) is provided at the inlet end of the fan-shaped filter box (2), and a second filter screen plate (10) is provided at the outlet end of the fan-shaped filter box (2). The top of the fan-shaped filter box (2) is connected to the exhaust gas channel (1) via a detachable hinge (3), and the bottom of the fan-shaped filter box (2) is connected to the exhaust gas channel (1) via a buckle (4).

2. The waste gas filtering equipment for chemical processing according to claim 1, characterized in that: The hinged member (3) comprises a second connecting groove (7), the cross section of the second connecting groove (7) being in a U-shape with an opening facing upward, a second connecting rod (6) being arranged in a movable interior of the second connecting groove (7), and the second connecting rod (6) being fixedly connected to the top of the sector-shaped filter box (2).

3. The waste gas filtering equipment for chemical processing according to claim 1, characterized in that: The fastening member (4) comprises a first connecting groove (41) and a safety latch (8); the cross section of the first connecting groove (41) is in a U-shape with an opening facing downward; a first connecting rod (42) is movably arranged inside the first connecting groove (41); the first connecting rod (42) is connected to the bottom of the sector-shaped filter box (2); and the safety latch (8) passes through the first connecting groove (41) and the first connecting rod (42).

4. The waste gas filtering equipment for chemical processing according to claim 1, characterized in that: A reinforcing rib (5) is provided between the hinged part (3) and the buckled part (4), and the reinforcing rib (5) is fixedly connected to the outer wall surface of the sector-shaped filter box (2).

5. The waste gas filtering equipment for chemical processing according to claim 1, characterized in that: It also comprises a connecting channel (11) located between the waste gas emission pipeline connected to the chemical equipment and the waste gas channel (1), wherein a plurality of partition plates (12) are arranged inside the connecting channel (11), and the partition plates (12) divide the connecting channel (11) into a plurality of independent waste gas sub-channels (18), and the inlet end of the waste gas channel (1) is connected to the outlet end of the waste gas sub-channel (18).

6. The waste gas filtering equipment for chemical processing according to claim 5, characterized in that: A slide groove (13) is provided inside the exhaust gas branch channel (18) along the vertical direction, and a baffle (16) for closing the exhaust gas branch channel (18) is slidably installed in the slide groove (13).

7. The waste gas filtering equipment for chemical processing according to claim 6, characterized in that: A baffle hanging wall (14) is provided at the top of the exhaust gas passage (1), a hanging hole (15) is provided on the baffle hanging wall (14), a baffle pin (17) is movably inserted through the baffle (16), and the baffle pin (17) corresponds to the hanging hole (15).

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