Sealing structure of dust remover

Abstract

The utility model relates to a sealing structure of a dust remover, the sealing structure is arranged at an opening of the dust remover and is used for sealing the opening, the inner wall of the opening of the dust remover is in a step shape and forms a sealing step, the sealing structure comprises an inner cover and an outer cover, the outer cover is fixed at the end part of the opening through a fastening bolt, and the inner cover and the outer cover are integrally formed. The inner cover is arranged in an opening in the inner side of the outer cover in a fastened mode through bolts, at least one layer of silicate plate is further arranged between the inner cover and the outer cover and used for blocking heat transfer between the inner cover and the outer cover, the sealing performance is high, meanwhile, heat transfer can be effectively blocked, and condensation corrosion caused by the large temperature difference between the inside and the outside is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of dust collector sealing structures, in particular to a dust collector sealing structure. Background Art

[0002] The side walls and top of the dust collector box are generally provided with openings for maintenance. When the dust collector is operating normally, the openings are generally closed by covers. When the dust collector is operating normally, the internal temperature of the dust collector is approximately 120°-140°. Therefore, there is a huge temperature difference between the internal temperature of the dust collector in normal operation and the ambient temperature of the dust collector. The heat insulation and anti-corrosion effects of the traditional dust collector opening covers are relatively poor. The applicant or inventor has found in daily work that when the dust collector is operating normally, the outer temperature of the traditional cover is as high as 80°-90°. The large temperature difference makes it easy for condensation to form on the cover used to seal the opening. Long-term condensation can easily cause corrosion to the cover and the dust collector box. Therefore, a double-layer cover is used in the cover design. However, there is a large gap between the two covers of the double-layer cover, so that after the dust collector has been operating for a long time, the temperature between the two covers can also reach a higher temperature, and condensation will also form on the cover surface, causing temperature difference corrosion. Utility Model Content

[0003] The technical problem to be solved by the utility model is to block the heat transfer between the inner and outer covers or to reduce the heat transfer as much as possible, and

[0004] The fasteners used to fix the inner cover are sealed to prevent corrosion. In view of the above-mentioned defects of the prior art, a sealing structure of a dust collector is provided.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] A sealing structure for a dust collector is constructed. The sealing structure is arranged at an opening of the dust collector for closing the opening. The inner wall of the opening of the dust collector is step-shaped to form at least one sealing step. The sealing structure includes at least one inner cover and one outer cover. The outer cover is fixed to the end of the opening by fastening bolts. The inner cover is fastened by bolts in the opening on the inner side of the outer cover. At least one silicate plate is also arranged between the inner cover and the outer cover for blocking heat transfer between the inner cover and the outer cover.

[0007] Further as a preferred solution of the utility model, a plurality of inner cover fixing bolts are provided on the sealing step, the edge of the inner cover forms a fixing boss matching the sealing step, and the fixing boss is provided with a plurality of fixing holes matching the inner cover fixing bolts.

[0008] As a further preferred embodiment of the present invention, the upper end of the inner cover fixing bolt is located on the inner side of the dust collector opening.

[0009] As a further preferred solution of the utility model, a polyurethane foaming agent is filled between the inner cover fixing boss and the silicate plate.

[0010] As a further preferred embodiment of the present invention, the polyurethane foaming agent completely covers the exposed bolts above the inner cover fixing boss for fixing the inner cover, so as to block the exposed bolts from contacting with air.

[0011] As a further preferred embodiment of the present invention, a sealing strip is provided between the outer cover and the open end of the dust collector, and a sealing strip is provided between the inner cover and the sealing step.

[0012] The beneficial effects of the utility model are:

[0013] 1. The utility model can effectively reduce the temperature of the outer cover when the dust collector is running by arranging a silicate plate as a heat insulation material between the inner cover and the outer cover;

[0014] 2. The utility model fills a polyurethane foaming agent between the inner cover fixing boss and the silicate plate, and completely covers the exposed part of the bolts for fixing the inner cover on the outer side of the inner cover by the polyurethane foaming agent, which can effectively ensure that the bolts can be isolated from the air, and can also effectively prevent the condensation of the inner cover from corroding the bolts;

[0015] 3. The silicate board and the polyurethane foaming agent between the inner cover and the outer cover of the utility model can not only play the role of thermal insulation and isolation, but also enhance the sealing performance of the sealing structure involved in the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the utility model will be further described below in conjunction with the accompanying drawings and embodiments. The drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work:

[0017] Figure 1 This is an exploded view of the present invention.

[0018] Figure 2 It is a three-dimensional diagram of the utility model.

[0019] Figure 3 This is a sectional stereogram of the utility model

[0020] Figure 4 It is a top view of the utility model.

[0021] Figure 5 for Figure 4 Cross-sectional view along BB direction. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the following will be described clearly and completely in combination with the technical solution in the embodiments of the utility model. Obviously, the described embodiments are partial embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the protection scope of the utility model.

[0023] Combination Figure 1-Figure 5 The preferred embodiment of the utility model shown is a sealing structure of a dust collector, which is arranged at the opening 101 of the dust collector 100 to close the opening 101.

[0024] In order to be applicable to the sealing structure involved in the utility model, the inner wall of the opening 101 of the dust collector 100 applicable to the sealing structure is stepped to form at least one sealing step 102, and a plurality of inner cover fixing bolts 103 are provided on the sealing step 102. Of course, a plurality of threaded holes can also be opened on the sealing step 102. When in use, the inner cover fixing bolts 103 are rotated into the threaded holes to fix the inner cover on the sealing step 102.

[0025] Further, the sealing structure includes at least one inner cover 200 and one outer cover 300, and the specific number of layers can be selected according to the actual situation of the dust collector. The outer cover 300 is fixed to the end of the opening 101 by fastening bolts to close the end of the opening 101. The inner cover 200 is fastened to the opening 101 inside the outer cover 300 by bolts (i.e., the inner cover fixing bolts 103 described above) to form a closed layer inside the opening 101. At least one layer of silicate plate 400 is also provided between the inner cover 200 and the outer cover 300 to block the heat transfer between the inner cover 200 and the outer cover 300. As for the number of layers of the silicate plate 400, in actual applications, it can be selected as one layer, two sides, etc., which is specifically selected according to the gap between the inner cover 200 and the outer cover 300 and the internal operating temperature of the dust collector 100. Of course, the aforementioned silicate plate can also be replaced with other thermal insulation materials according to actual conditions, such as thermal insulation cotton, thermal insulation bricks, etc.

[0026] In order to ensure that the silicate plate can completely fill the space between the inner cover and the outer cover, the thickness of the silicate plate is at least equal to the distance from the inner cover to the opening, or slightly larger than the distance. The aforementioned slightly larger distance is controlled within 0.5mm to avoid the silicate plate being too thick and causing the outer cover to be unable to fully fit with the opening end of the dust collector.

[0027] It should be noted that the outer cover 300 is provided with a plurality of through holes 301 along the edge of the outer cover 300 , and the through holes 301 are used for bolts to pass through so as to fix the outer cover 300 by bolts.

[0028] Specifically, if Figure 1 As shown, fixing bolts for fixing the outer cover are provided around the outside of the opening 101 of the dust collector 100, or a plurality of threaded holes for matching the bolts for fixing the outer cover 300 are opened on the outer wall of the dust collector around the outside of the opening 101 of the dust collector 100.

[0029] Further, as a specific embodiment of the present invention, Figure 1 and Figure 3 As shown, the edge of the inner cover 200 forms a fixing boss 201 that matches the sealing step 102, and the fixing boss 201 is provided with a plurality of fixing holes 2011 that match the fixing bolts of the inner cover 200. When in use, the inner cover fixing bolts 103 on the sealing step 102 are inserted into the corresponding fixing holes 2011 on the fixing boss 201 of the inner cover 200 and are fastened by nuts.

[0030] Furthermore, as a specific embodiment of the utility model, a polyurethane foaming agent 500 is filled between the inner cover fixing boss 201 and the silicate plate 400 to prevent a gap between the inner cover 200 and the silicate plate 400, thereby preventing condensation from causing corrosion to the inner cover 200 and the inner cover fixing bolts 103.

[0031] It should be noted that the polyurethane foaming agent 500 completely covers the bolts exposed above the fixing boss 201 for fixing the inner cover 200 to prevent the exposed bolts from contacting with the air.

[0032] In order to further enhance the sealing performance of the sealing mechanism, a sealing strip is provided between the outer cover 300 and the opening 101 end of the dust collector 100, and a sealing strip is provided between the inner cover 200 and the sealing step 102. The sealing strip is made of high-temperature resistant material to prevent the sealing ring from being damaged by high temperature due to the increase in temperature during the operation of the dust collector, thereby reducing the service life of the sealing ring and requiring frequent shutdown for maintenance.

[0033] The installation method of the utility model is as follows:

[0034] 1. Place the inner cover 200 on the sealing step 102, so that the inner cover fixing bolts 103 on the sealing step 102 are inserted into the corresponding fixing holes 2011 on the fixing boss 201 of the inner cover 200, and are fastened by nuts;

[0035] 2. Fill the polyurethane foaming agent 500 between the outer wall of the inner cover 200 and the inner wall of the opening 101, and cut off the excess part after the polyurethane foaming agent 500 is formed;

[0036] 3. Place the silicate plate 400 on the outside of the inner cover;

[0037] 4. Place the outer cover 300 at the outer end of the opening 101 of the dust collector 100 so that the through holes 301 on the outer cover 300 correspond to the bolts on the outside of the opening 101 of the dust collector 100, or make the through holes 301 on the outer cover 300 correspond to the threaded holes on the outer wall of the dust collector around the outside of the opening 101, and then fix the outer cover 300 to the outside of the opening 101 by bolts.

[0038] It should be understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application belong to the scope protected by the present invention.

Claims

1. A dust collector sealing structure, which is arranged at an opening of the dust collector for sealing the opening, characterized in that: The inner wall of the opening of the dust collector is stepped to form a sealing step. The sealing structure includes at least one inner cover and one outer cover. The outer cover is fixed to the end of the opening by fastening bolts. The inner cover is fastened by bolts in the opening on the inner side of the outer cover. At least one silicate plate is provided between the inner cover and the outer cover to block heat transfer between the inner cover and the outer cover.

2. The sealing structure of a dust collector according to claim 1, characterized in that: The sealing step is provided with a plurality of inner cover fixing bolts, the edge of the inner cover forms a fixing boss matching the sealing step, and the fixing boss is provided with a plurality of fixing holes matching the inner cover fixing bolts.

3. The sealing structure of a dust collector according to claim 2, characterized in that: The upper end of the inner cover fixing bolt is located on the inner side of the dust collector opening.

4. The sealing structure of a dust collector according to claim 2, characterized in that: A polyurethane foaming agent is filled between the inner cover fixing boss and the silicate plate.

5. The sealing structure of a dust collector according to claim 4, characterized in that: The polyurethane foaming agent completely covers the exposed bolts above the inner cover fixing boss for fixing the inner cover to block the exposed bolts from contacting with the air.

6. A dust collector sealing structure according to any one of claims 1 to 4, characterized in that: A sealing strip is provided between the outer cover and the open end of the dust collector, and a sealing strip is provided between the inner cover and the sealing step.

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