Mounting and sealing structure for top cover plate of cloth bag bin of purification filter

Abstract

The utility model relates to a purification filter cloth bag bin top cover plate installation sealing structure which comprises a top cover plate, a cover plate groove of an annular structure is formed in the lower side of the top cover plate, a supporting ring extends into the cover plate groove, a rubber strip is installed at the groove bottom of the cover plate groove, and the two ends of the rubber strip abut against each other. A plurality of pressure applying pieces are arranged at the end of the edge of the top cover plate in the circumferential direction at intervals. According to the utility model, the technical problems that the sealing effect between the existing top cover plate and the supporting ring is poor, gas leakage is easy to occur, and the risk of gas poisoning of inspection personnel is caused can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to calcium carbide furnace purification system technical field especially relates to a kind of purification filter cloth bag storehouse top cover plate installation sealing structure. BACKGROUND

[0002] 42MVA closed calcium carbide furnace purification system is the important component of calcium carbide furnace tail gas purification recycling, and the top cover plate of the cloth bag storehouse of purification filter is divided into 8 blocks, and the lower side of the top cover plate is supported by the support ring, and is compressed by bolt and nut. In the prior art, annular cover plate grooves are provided on the lower side of the top cover plate for insertion of the support ring, and the cover plate grooves are filled with asbestos rope and expanded PTFE to form a sealing effect between the support rings. However, when the top cover plate is tightened by the bolt and nut, the asbestos rope is deformed and damaged by being squeezed, resulting in poor sealing and easy gas leakage, which poses a risk of gas poisoning to the inspectors. SUMMARY

[0003] The utility model provides a kind of purification filter cloth bag storehouse top cover plate installation sealing structure to solve the technical problems that the sealing effect between the existing top cover plate and support ring is poor, gas leakage is easy, and the risk of gas poisoning to the inspectors.

[0004] The technical scheme for solving the above technical problems of the utility model is as follows:

[0005] A kind of purification filter cloth bag storehouse top cover plate installation sealing structure, including top cover plate, annular structure cover plate groove is provided on the lower side of the top cover plate, the cover plate groove is used to support ring and is inserted, and the groove bottom of the cover plate groove is installed with rubber strip, the both ends of the rubber strip are mutually abutted, and the edge end of the top cover plate is peripherally spaced apart and is provided with multiple pressure applying members pressed on the top cover plate.

[0006] The utility model has the beneficial effects that: during installation, first, the rubber strip is installed in the cover plate groove and abuts tightly on the groove bottom, then the top cover plate is placed on the support ring, the support ring enters the cover plate groove and abuts on the rubber strip, forming a seal between the top cover plate and the support ring, and finally, multiple pressure applying members are installed and pressed downward on the top cover plate, the rubber strip is pressed to further improve the sealing effect between the top cover plate and the support ring, replacing the asbestos rope in the prior art with the rubber strip, improving the technical problem that the asbestos rope in the prior art is easily deformed and damaged by being squeezed, the sealing effect between the top cover plate and the support ring is poor, gas leakage is easy, and the inspectors are at risk of gas poisoning;Wherein, the both ends of the rubber strip are mutually abutted, which can ensure that each part of the rubber strip forms a seal.

[0007] Based on the above technical scheme, the utility model can also be improved as follows.

[0008] Further, a slot is formed on the lower side of the rubber strip, and the slot is used for the support ring to extend into.

[0009] The beneficial effect of the further scheme is that when the support ring is inserted into the slot, the rubber strip can form a seal with the support ring.

[0010] Further, the slot width of the slot is less than the width of the support ring.

[0011] The beneficial effect of the further scheme is that when the support ring is inserted into the slot, the rubber strip can form a seal with the support ring.

[0012] Further, two opposite inclined inner guide surfaces are respectively arranged on both sides of the slot opening.

[0013] The beneficial effect of the further scheme is that when the support ring is inserted into the slot, the two inner guide surfaces guide the support ring to ensure smooth insertion of the support ring into the slot.

[0014] Further, the width of the rubber strip is greater than the slot width of the cover plate slot.

[0015] The beneficial effect of the further scheme is that when the rubber strip is installed in the cover plate slot, the slot arm of the cover plate slot extrudes the rubber strip to improve the sealing effect between the rubber strip and the top cover plate, so that the sealing effect is better.

[0016] Further, two outer guide surfaces are respectively arranged on both sides of the upper side of the rubber strip.

[0017] The beneficial effect of the further scheme is that when the rubber strip is installed in the cover plate slot, the outer guide surface contacts the slot opening wall of the cover plate slot to form a guide effect, so that the rubber strip is smoothly inserted into the cover plate slot.

[0018] Further, one end of the rubber strip forms a first butt joint inclined surface, and the other end is close to the one end and forms a second butt joint inclined surface matched with the first butt joint inclined surface, and the first butt joint inclined surface and the second butt joint inclined surface form an acute angle relative to the horizontal plane.

[0019] The beneficial effect of the further scheme is that when the pressing plate is pressed downward on the top cover plate, the first butt joint inclined surface and the second butt joint inclined surface abut and press each other when the rubber strip is deformed under pressure, so as to ensure the sealing effect of the two butt joint ends of the rubber strip.

[0020] Further, an adhesive layer is arranged between the first butt joint inclined surface and the second butt joint inclined surface.

[0021] The beneficial effect of the further scheme is that when the rubber strip is placed in the cover plate groove, the first butt joint slope and the second butt joint slope are bonded through the bonding layer, so as to further ensure the sealing effect of the butt joint of the two ends of the rubber strip.

[0022] Further, the first butt joint slope is provided with a buckle groove, and the second butt joint slope is fixed with a buckle strip, and the buckle strip is adapted and inserted into the buckle groove.

[0023] The beneficial effect of the further scheme is that when the rubber strip is placed in the cover plate groove, the buckle strip is inserted into the buckle groove, so that the phenomenon that the two ends of the rubber strip are separated under pressure can be avoided, thereby ensuring the sealing effect.

[0024] Further, a plurality of avoiding openings are arranged on one side of the thickness direction of the rubber strip, and each avoiding opening is arranged on the bending part of the supporting ring.

[0025] The beneficial effect of the further scheme is that when the rubber strip is placed in the cover plate groove, the two ends of the rubber strip are butt jointed to form a ring structure, and the rubber strip is bent at the bending part of the supporting ring, and the avoiding opening ensures the smooth bending of the rubber strip. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a perspective view of the utility model;

[0027] Figure 2 is a sectional view of the utility model;

[0028] Figure 3 is Figure 2 an enlarged view of A part of the utility model;

[0029] Figure 4 is a local explosion view of the utility model;

[0030] Figure 5 is an enlarged view of the butt joint structure of the utility model;

[0031] Figure 6 is Figure 5 a local enlarged view.

[0032] In the drawings, the components represented by each reference numeral are listed as follows:

[0033] 1, supporting ring; 11, bending part;

[0034] 2, top cover plate; 21, cover plate groove;

[0035] 3, rubber strip; 31, insertion groove; 311, inner guide surface; 312, outer guide surface; 32, first butt joint slope; 321, buckle groove; 33, second butt joint slope; 331, buckle strip; 34, bonding layer; 35, avoiding opening;

[0036] 4, pressure member; 41, bolt; 42, pressing plate. DETAILED DESCRIPTION

[0037] The principles and features of the present application are described below in conjunction with the accompanying drawings, which are presented only for the purpose of illustrating the present application and should not be construed as limiting the scope of the present application.

[0038] Embodiment 1

[0039] As Figures 1 to 4 A kind of purification filter cloth bag warehouse top cover plate installation sealing structure, including top cover plate 2, top cover plate 2 lower side is equipped with the cover plate groove 21 of annular structure, cover plate groove 21 is used to support ring 1 for entering, and the groove bottom of cover plate groove 21 is installed with rubber strip 3, the both ends of rubber strip 3 abut each other, the edge end of top cover plate 2 is peripherally spaced apart and is provided with multiple pressure members 4 pressed in top cover plate 2.

[0040] The beneficial effects of the present embodiment are: during installation, first install rubber strip 3 in cover plate groove 21, and make it abut to the groove bottom of cover plate groove 21, then cover top cover plate 2 on support ring 1 downwards, support ring 1 enters cover plate groove 21 upwards and is on rubber strip 3, form the sealing between top cover plate 2 and support ring 1, finally, install multiple pressure members 4 and make it press tightly on top cover plate 2 downwards, rubber strip 3 is pressed to further improve the sealing effect between it and top cover plate 2 and support ring 1, to replace the asbestos rope in the prior art by rubber strip 3, improve the technical problems that existing asbestos rope is easily extruded and deformed and damaged, the sealing effect between top cover plate 2 and support ring 1 is poor, and coal gas leakage easily occurs, leading to the risk of coal gas poisoning of inspection personnel;Wherein, the both ends of rubber strip abut each other, which can ensure that each part of rubber strip can form a seal.

[0041] Wherein, support ring 1 is fixed to the top of purification filter cloth bag warehouse to form a supporting effect on top cover plate 2. In the figure, support ring 1 is in the shape of isosceles trapezoid, and four bending parts 11 are formed.

[0042] Rubber strip 3 can be made of 14mm*27mm*5mm silicon rubber material.

[0043] Each pressure member 4 includes bolt 41 and pressing plate 42 sleeved on the rod of bolt 41, the upper side of pressing plate 42 abuts against the nut of bolt 41, and the end portion is pressed on the upper side of top cover plate 2. Bolt 41 can be a pre-buried bolt, and its rod can be pre-buried in the top of purification filter cloth bag warehouse.

[0044] During installation, the pressure plate 42 is pressed downwards by tightening the nut, so that the pressure plate 42 is pressed tightly on the top cover plate 2.

[0045] Embodiment 2

[0046] AsFigure 2 and Figure 3 On the basis of Embodiment 1, a slot 31 is formed on the lower side of the rubber strip 3, and the slot 31 is used for the support ring 1 to extend into.

[0047] The beneficial effect of the preferred scheme in the above embodiment is that, during installation, the upper end of the support ring 1 is inserted into the slot 31, and the rubber strip 3 forms a sealing effect on the upper side and the thickness direction of the support ring 1, so that the sealing effect is better.

[0048] The slot 31 is a downwardly opening U-shaped slot, and is in the shape of a flared opening, and the opening width is greater than the slot bottom width, so as to facilitate the smooth insertion of the support ring 1.

[0049] Embodiment 3

[0050] As Figure 2 and Figure 3 On the basis of Embodiments 1 and 2, the slot width of the slot 31 is less than the width of the support ring 1.

[0051] The beneficial effect of the preferred scheme in the above embodiment is that, when the support ring 1 is inserted into the slot 31, the rubber strip 3 can be inwardly extruded to form a seal with the support ring 1. Specifically, during installation, the rubber strip 3 deforms.

[0052] The difference between the slot width of the slot 31 and the width of the support ring 1 is 1-3 mm.

[0053] Embodiment 4

[0054] As Figure 2 and Figure 3 On the basis of Embodiments 1-3, two inwardly inclined inner guide surfaces 311 are respectively arranged on both sides of the slot opening of the slot 31.

[0055] The beneficial effect of the preferred scheme in the above embodiment is that, when the support ring 1 is inserted into the slot 31, the two inner guide surfaces 311 guide the support ring 1, so as to ensure that the support ring 1 is smoothly inserted into the slot 31.

[0056] The inclination angle of the inner guide surface 311 can be 30°-75°, such as 30°, 45°, 55°, 65°, and 75°, etc.

[0057] Embodiment 5

[0058] As Figure 2 and Figure 3 On the basis of Embodiments 1-4, the width of the rubber strip 3 is greater than the slot width of the cover plate slot 21.

[0059] The beneficial effect of the preferred solution in the above embodiments is that when the adhesive strip 3 is installed in the cover groove 21, the groove arms of the cover groove 21 extrude the adhesive strip 3, so as to improve the sealing effect between the adhesive strip 3 and the top cover 2, and the sealing effect is better.

[0060] The difference between the groove width of the cover groove 21 and the width of the adhesive strip 3 is 1-3 mm.

[0061] Embodiment 6

[0062] As Figure 2 , and Figure 3 On the basis of Embodiments 1-5, the outer guide surface 312 is arranged on the upper side of the adhesive strip 3.

[0063] The beneficial effect of the preferred solution in the above embodiments is that when the adhesive strip 3 is installed in the cover groove 21, the outer guide surface 312 contacts the groove wall of the cover groove 21, forming a guide effect, so as to ensure that the adhesive strip 3 is smoothly inserted into the cover groove 21.

[0064] The inclination angle of the outer guide surface 312 can be 30°-75°, such as 30°, 45°, 55°, 65°, and 75°, etc.

[0065] Embodiment 7

[0066] As Figures 4 to 6 On the basis of Embodiments 1-6, one end of the adhesive strip 3 forms a first butt joint inclined surface 32, and the other end is close to the one end and forms a second butt joint inclined surface 33 matched with the first butt joint inclined surface 32. The first butt joint inclined surface 32 and the second butt joint inclined surface 33 form an acute angle with respect to the horizontal plane.

[0067] The beneficial effect of the preferred solution in the above embodiments is that when the pressing plate 42 is pressed downward on the top cover 2, the first butt joint inclined surface 32 and the second butt joint inclined surface 33 abut and press each other when the adhesive strip 3 is deformed, so as to ensure the sealing effect of the two butt joint ends of the adhesive strip 3.

[0068] As a parallel solution of the above embodiments, the sum of the inclination angles of the first butt joint inclined surface 32 and the second butt joint inclined surface 33 is 90°, and specifically, both can be 45°.

[0069] Embodiment 8

[0070] As Figures 4 to 6 On the basis of Embodiments 1-7, an adhesive layer 34 is arranged between the first butt joint inclined surface 32 and the second butt joint inclined surface 33.

[0071] The beneficial effect of the preferred solution in the above embodiments is that when the adhesive strip 3 is placed in the cover groove 21, the first butt bevel 32 and the second butt bevel 33 are bonded by the bonding layer 34, so as to further ensure the sealing effect of the butt joint of the two ends of the adhesive strip 3.

[0072] The bonding layer 34 can be a sealing glue. When the adhesive strip 3 is placed in the cover groove 21, the bonding layer 34 is coated on the first butt bevel 32 and the second butt bevel 33.

[0073] Embodiment 9

[0074] As Figures 4 to 6 On the basis of embodiments 1-8, the first butt bevel 32 is provided with a buckle groove 321, and the second butt bevel 33 is fixed with a buckle strip 331, and the buckle strip 331 is adapted and inserted into the buckle groove 321.

[0075] The beneficial effect of the preferred solution in the above embodiments is that when the adhesive strip 3 is placed in the cover groove 21, the buckle strip 331 is inserted into the buckle groove 321, which can avoid the phenomenon that the two ends of the adhesive strip 3 are separated under pressure, thereby ensuring the sealing effect.

[0076] The bonding layer 34 is provided with a through hole for the buckle strip 331 to pass through.

[0077] During specific installation, the bonding layer 34 is first coated on the first butt bevel 32, and then force is applied to the other end of the adhesive strip 3, so that the second butt bevel 33 moves towards the first butt bevel 31, the buckle strip 331 is adaptively deformed and inserted into the buckle groove 321, until the second butt bevel 33 and the first butt bevel 31 are bonded and fixed by the bonding layer 34.

[0078] Embodiment 10

[0079] As Figures 4 to 6 On the basis of embodiments 1-9, a plurality of avoiding openings 35 are provided on one side of the adhesive strip 3 in the thickness direction, and each avoiding opening 35 is arranged on the bent portion 11 of the support ring 1.

[0080] The beneficial effect of the preferred solution in the above embodiments is that when the adhesive strip 3 is placed in the cover groove 21, the two ends of the adhesive strip 3 are butt jointed to form a ring structure, and the adhesive strip 3 is bent on the bent portion 11 of the support ring 1, and the avoiding opening 35 ensures the smooth bending of the adhesive strip 3.

[0081] The avoiding opening 35 is provided with four openings to correspond to the four bent portions 11 of the support ring 1. When the adhesive strip 3 is in a natural straight state, the avoiding opening 35 can be an opening with an included angle of 90°.

[0082] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0083] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0084] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0085] In the utility model, unless otherwise specifically defined and limited, the first feature "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" of the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" of the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0086] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples, without contradiction.

[0087] Although the embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and the person skilled in the art can make changes, modifications, replacements and modifications to the above embodiments within the scope of the present application.

Claims

1. A sealing structure for installing the top cover of a purification filter bag bin, characterized in that: The top cover plate (2) is provided with a cover plate groove (21) in the form of an annular structure on the lower side, the cover plate groove (21) is used for the support ring (1) to extend into, and the groove bottom of the cover plate groove (21) is provided with a rubber strip (3), both ends of the rubber strip (3) abut each other, and the edge end of the top cover plate (2) is provided with a plurality of pressing members (4) which are pressed downward on the top cover plate (2) in a circumferential direction.

2. The baghouse top headplate mounting seal structure of claim 1, wherein: The lower side of the rubber strip (3) is provided with an insertion groove (31), and the insertion groove (31) is used for the support ring (1) to extend into.

3. The baghouse top headplate mounting seal structure of claim 2, wherein: The slot width of the insertion groove (31) is less than the width of the support ring (1).

4. The baghouse top headplate mounting seal structure of claim 3 wherein, Opposite inclined inner guide surfaces (311) are respectively arranged on both sides of the slot opening of the insertion groove (31).

5. The baghouse top headplate mounting seal structure of claim 1 wherein, The width of the rubber strip (3) is greater than the slot width of the cover plate groove (21).

6. The clean filter baghouse roof deck mounting seal structure according to claim 5, wherein, Outer guide surfaces (312) are respectively arranged on both sides of the upper side of the rubber strip (3).

7. The baghouse top headplate mounting seal structure of claim 1 wherein, One end of the rubber strip (3) forms a first butt joint inclined surface (32), the other end is close to the one end and forms a second butt joint inclined surface (33) matched with the first butt joint inclined surface (32), and the first butt joint inclined surface (32) and the second butt joint inclined surface (33) form an acute angle with the horizontal plane.

8. The baghouse top head mounting seal structure of claim 7, wherein, An adhesive layer (34) is arranged between the first butt joint inclined surface (32) and the second butt joint inclined surface (33).

9. The baghouse top head mounting seal structure of claim 7, wherein, The first butt joint inclined surface (32) is provided with a buckle groove (321), and the second butt joint inclined surface (33) is fixed with a buckle strip (331) which is adapted and inserted into the buckle groove (321).

10. The baghouse top headplate mounting seal structure of any of claims 1-9, wherein, A plurality of avoidance openings (35) are arranged on one side of the rubber strip (3) in the thickness direction, and each avoidance opening (35) is arranged on the bending portion (11) of the support ring (1).

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