Cooling type dust removal filtering device applied to vacuum pipeline

Abstract

The utility model relates to a cooling type dust removal filtering device applied to a vacuum pipeline, which comprises a first pipeline, a second pipeline and a filtering assembly, and the first pipeline is connected with a first valve group; the second pipeline is connected with a second valve group; the filter assembly is connected between the first pipeline and the second pipeline and comprises a tank body and a filter element connected to the interior of the tank body, the tank body is provided with a first opening and a second opening which are used for being connected with the first pipeline and the second pipeline respectively, one end of the tank body is provided with a detachable cover body, and a mounting plate of the filter element is connected to the cover body. The open end of the filter element is hermetically connected to the other end of the tank body, and the first opening or the second opening corresponds to the open end of the filter element. Dust entering the vacuum pipeline can be effectively adsorbed, the dust is prevented from entering the vacuum pump set, operation safety is ensured, dust of the filter element can be blown in time, cost is effectively reduced, the replacement frequency of the filter element is reduced, and the tank body is prevented from being heated and oxidized.

Description

TECHNICAL FIELD

[0001] The utility model relates to a vacuum pipeline purification technical field, concretely is a cooling type dust removal filter device for vacuum pipeline. BACKGROUND

[0002] In the vacuum atomization metallurgical industry, the process aspect requires that the vacuum degree of the vacuum chamber is about negative pressure (500pa), usually needs vacuum pump group pre-extraction, such as adopting 2 or more than 2 vacuum pump groups such as Roots pump, cyclone pump in series. The vacuum chamber is connected with the vacuum pump group by pipeline, and then is pumped, and the dust in the vacuum chamber is extremely easy to enter the pump group cavity, if the dust in the vacuum chamber enters the pump group cavity along the pipeline, light will reduce the service life of the vacuum pump group, heavy static electricity generated by powder friction may cause pump group explosion. Therefore, it is imperative to add dust removal device on the connecting pipeline, increase the service life of the pump group, and protect the safety of equipment and operating personnel. SUMMARY

[0003] The utility model discloses a cooling type dust removal filter device for vacuum pipeline can solve the technical problem mentioned in the above background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a cooling type dust removal filter device for vacuum pipeline, including first pipeline, second pipeline and filter assembly, first pipeline is connected with first valve group;Second pipeline is connected with second valve group;Filter assembly is connected between first pipeline and second pipeline, including jar body and filter core connected in the jar body, the jar body is equipped with first opening and second opening for connecting first pipeline, second pipeline respectively, one end of the jar body is equipped with detachable cover, the mounting plate of filter core is connected to the cover, the open end of filter core is sealedly connected to the other end of jar body, and the first opening corresponds to the open end of filter core.

[0005] In a preferred embodiment, the open end of the filter core is an air inlet end.

[0006] In a preferred embodiment, the open end of the filter core is also connected with an elastic pad layer, and the elastic pad layer is arranged between the open end of the filter core and the bottom end of the jar body. The compressible property of the elastic pad layer is used to press the filter core tightly against the bottom end of the jar body, ensuring the sealing fit of the two.

[0007] In a preferred embodiment, the first valve group includes first valve a and first valve b distributed in front and back, and the second valve group includes second valve a and second valve b distributed in front and back. By designing double valves on each pipeline, the filter assembly can be disassembled or maintained without damaging the vacuum degree of the vacuum chamber and the vacuum pump group.

[0008] In a preferred embodiment, the filter assembly further comprises a purging part connected to the tank body, the purging part comprising a purging pipeline, an outlet end of the purging pipeline facing the filter element.

[0009] In a preferred embodiment, the purging part is arranged in multiple groups, each purging part being distributed along the circumference of the tank body and / or along the axial direction of the tank body. The dust particles on the filter element can be purged by the purging part, so as to reduce the frequency of replacing the filter element.

[0010] In a preferred embodiment, the filter assembly further comprises a dust falling assembly communicated with the side bottom of the tank body, the dust falling assembly comprising a third pipeline and a dust falling tank communicated with an outlet end of the third pipeline.

[0011] In a preferred embodiment, the dust falling tank is provided with a visual window. The dust storage in the dust falling tank can be observed through the visual window.

[0012] In a preferred embodiment, the filter assembly further comprises a cooling shell sleeved outside the tank body, a cooling layer being formed between the cooling shell and the tank body, and a medium inlet and a medium return being connected to the cooling shell respectively. By arranging the cooling layer on the tank body, the oxidation of the tank body due to temperature rise can be prevented, and the dust can be helped to fall off from the inner wall of the tank body.

[0013] Compared with the prior art, the application has the following beneficial effects:

[0014] 1) The cooling type dust removal filter device applied to the vacuum pipeline provided by the application can effectively adsorb the dust entering the vacuum pipeline, prevent the dust from entering the vacuum pump set, and ensure the safety of operation, by arranging the filter assembly on the vacuum pipeline; the connection sealing performance between the filter element opening and the tank body can be ensured by the sealing structure design of the filter element, and the leakage of the dust can be prevented comprehensively and effectively.

[0015] 2) The dust on the filter element can be purged in time, the cost can be effectively reduced, and the frequency of replacing the filter element can be reduced, by arranging the multiple purging parts on the tank body, and the dust particles purged can be collected by the dust falling tank arranged.

[0016] 3) The oxidation of the tank body due to temperature rise can be prevented, and the dust can be helped to fall off from the inner wall of the tank body, by arranging the cooling layer on the tank body. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the cooling type dust removal filter device applied to the vacuum pipeline in the embodiments of the application;

[0018] Figure 2 It is a structure schematic view from another angle; Figure 1 It is a structure schematic view from another angle;

[0019] Figure 3 It is the structure schematic view of the filter assembly in the embodiment of the utility model;

[0020] Figure 4 It is the left view of the filter assembly in the embodiment of the utility model;

[0021] Figure 5 It is Figure 4 It is the sectional view in A-A direction;

[0022] Figure 6 It is the structure schematic view of the filter core in the embodiment of the utility model;

[0023] Figure 7 It is the structure schematic view of the ash falling assembly in the embodiment of the utility model.

[0024] The meaning of each mark in the figure is:

[0025] 1, first pipeline; 2, second pipeline; 3, first valve group; 31, first valve a; 32, first valve b; 4, second valve group; 41, second valve a; 42, second valve b; 5, filter assembly; 51, tank body; 511, cover body; 512, handle; 513, first opening; 514, second opening; 52, filter core; 521, mounting plate; 522, open end; 523, elastic pad; 53, purge part; 531, gas blowing pipeline; 532, valve body; 54, ash falling assembly; 541, third pipeline; 5411, pipeline a; 5412, pipeline b; 542, ash falling tank; 543, visual window; 544, third valve group; 5441, third valve a; 5442, third valve b; 545, locking part; 55, cooling shell; 551, medium inlet; 552, medium return. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0027] In the description of the utility model, need understanding is, the term "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and so on the orientation or positional relation indicated is based on the orientation or positional relation shown in the drawing, just is for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, construct and operate with a particular orientation, therefore can not be understood as the limitation to the utility model.

[0028] Embodiment one

[0029] Referring to Figures 1-2 The embodiment discloses a cooling type dust removal filter device applied to a vacuum pipeline, the vacuum pipeline in the embodiment is connected between a vacuum chamber and a vacuum pump group, and the filter device is used for dust filtration in the vacuum pipeline.

[0030] Specifically, in the embodiment, the cooling type dust removal filter device applied to the vacuum pipeline comprises a first pipeline 1, a second pipeline 2 and a filter assembly 5 connected between the first pipeline 1 and the second pipeline 2, the first pipeline 1 is used for being connected with a vacuum pipeline at the rear end of the vacuum chamber, and the second pipeline 2 is used for being connected with a vacuum pipeline at the front end of the vacuum pump group.

[0031] Referring to Figures 3-5 The filter assembly 5 comprises a tank body 51 in a cylindrical structure, and the cylindrical structure in the embodiment comprises a cylindrical shape, a square column shape and the like. The tank body 51 is provided with a first opening 513 matched with the first pipeline 1 and a second opening 514 matched with the second pipeline 2, one end of the first pipeline 1 is connected to the first opening 513, and one end of the second pipeline 2 is connected to the second opening 514.

[0032] The tank body 51 is connected with a filter core 52, in the vacuum operation process, dust in the vacuum chamber is filtered to the tank body 51 along with air, and is adsorbed by the filter core 52 in the tank body 51.

[0033] Specifically, one end of the tank body 51 is provided with a detachable cover body 511, which is connected to the flange connection end of the end of the tank body 51 by bolts. The outer side of the cover body 511 is provided with a handle 512 for facilitating the staff to hold it by hand. One end of the filter element 52 is provided with a mounting plate 521, which is connected to the inner side of the cover body 511 by bolts and is pressed against the cover body 511 by the cooperation of the nut and the bolt. In order to ensure the sealing of the connection between the filter element 52 and the tank body 51 and prevent the air containing dust from overflowing, in this embodiment, the other end of the filter element 52, i.e. the open end 522, abuts against the other end of the tank body 51, i.e. the bottom end. It can be understood that the first opening 513 of the tank body 51 is arranged at the bottom end position, and the first opening 513 and the open end 522 of the filter element 52 correspond to each other as the air inlet end, and the diameter of the first opening 513 is not greater than the inner diameter of the open end 522 of the filter element 52.

[0034] Preferably, as shown in Figure 5 and Figure 6 In order to further ensure the sealing of the connection between the open end 522 of the filter element 52 and the bottom end of the tank body 51, the open end 522 of the filter element 52 is also connected with an elastic pad layer 523, which is distributed along the circumference of the open end 522 and is arranged between the open end 522 of the filter element 52 and the bottom end of the tank body 51. During installation, the compressible property of the elastic pad layer 523 is utilized to press the filter element 52 against the bottom end of the tank body 51, so as to ensure the sealing fit of the two. Exemplarily, the elastic pad layer 523 can be made of elastic materials such as rubber and silicone.

[0035] In this embodiment, the second opening 514 is arranged at the side end of the tank body 51. The air containing dust enters the filter element 52 of the tank body 51 through the first pipeline 1 and the first opening 513, is adsorbed by the filter element 52, and the clean gas after the dust is separated enters the vacuum pump set through the second opening 514 and the second pipeline 2.

[0036] Preferably, the first valve group 3 includes the first valve a31 and the first valve b32, which are distributed in front of and behind each other on the first pipeline 1; the second valve group 4 includes the second valve a41 and the second valve b42, which are distributed in front of and behind each other on the second pipeline 2. By designing double valves on each pipeline, the filter assembly 5 can be disassembled or maintained without damaging the vacuum chamber and the vacuum degree of the vacuum pump set.

[0037] Embodiment Two

[0038] The cooling type dust removal filter device applied to the vacuum pipeline provided in Embodiment Two has substantially the same structure as Embodiment One, and therefore, for the sake of brevity, only the differences will be described in detail here.

[0039] Due to the limited adsorption capacity of the filter element 52, the filter element 52 needs to be frequently replaced in actual application to ensure good adsorption effect. In order to reduce the cost and reduce the replacement frequency of the filter element 52, in the embodiment, the filter assembly 5 further comprises a purging part 53 connected to the tank body 51, and the purging part 53 is combined with Figure 1 and Figure 3 The purging part 53 comprises a gas blowing pipeline 531 fixed to the tank body 51 and penetrating through the tank body 51, the gas outlet end of the gas blowing pipeline 531 is directed to the filter element 52, and the gas inlet end of the gas blowing pipeline 531 is used to connect a compressed air source. The gas blowing pipeline 531 is further connected with a valve body 532 for gas blowing control, such as an electromagnetic valve.

[0040] Preferably, the purging part 53 can be provided in multiple groups to realize omnidirectional cleaning of the filter element 52, and specifically, each purging part 53 is distributed along the circumference of the tank body 51 and / or distributed along the axial direction of the tank body 51.

[0041] Embodiment three

[0042] The cooling type dust removal filter device applied to the vacuum pipeline provided in embodiment three has substantially the same structure as that of embodiment two, and therefore, for the sake of brevity, only the differences will be described in detail herein.

[0043] In order to be able to collect the dust blown in time, in the embodiment, the filter assembly 5 further comprises an ash falling assembly 54 connected to the side bottom of the tank body 51, as shown in Figure 1 and Figure 7 In the embodiment, the tank body 51 is further provided with a third opening, and the ash falling assembly 54 comprises a third pipeline 541 communicated with the third opening and an ash falling tank 542 communicated with the outlet end of the third pipeline 541, and the dust blown is settled by gravity into the third pipeline 541 and the ash falling tank 542.

[0044] Preferably, in order to facilitate observation of the dust storage capacity of the ash falling tank 542, in the embodiment, the ash falling tank 542 is further provided with a viewing window 543.

[0045] The third pipeline 541 is connected with a third valve group 544 for opening and closing control of the third pipeline 541, and specifically, in the embodiment, the third pipeline 541 comprises a pipeline a 5411 and a pipeline b 5412, the pipeline a 5411 and the pipeline b 5412 are detachably connected through a locking part 545, the ash falling tank 542 is integrally connected to the outlet end of the pipeline b 5412, the locking part 545 can adopt a locking part such as a clamp, a lock, etc.; the third valve group 544 comprises a third valve a 5441 connected to the pipeline a 5411 and a third valve b 5442 connected to the pipeline b 5412, when the ash falling tank 542 is full of dust, the third valve a 5441 and the third valve b 5442 can be closed, and the locking part 545 is opened for disassembly.

[0046] Embodiment four

[0047] Embodiment four provides the cooling dust removal filter device applied to the vacuum pipeline with substantially same structure as that of embodiment one, therefore, for the sake of brevity, only the differences are described in detail herein.

[0048] Referring to Figure 3 and Figure 5 In this embodiment, the filter assembly 5 further comprises a cooling shell 55 sleeved outside the tank body 51, a cooling layer is formed between the cooling shell 55 and the tank body 51, the cooling shell 55 is respectively connected with a medium inlet 551 and a medium return 552, and the cooling medium can adopt cooling water, cooling gas and the like, which is not specifically limited in this embodiment.

[0049] In actual application, the dust will bring heat into the tank body 51 and be adsorbed on the inner wall of the tank body 51, so as to be oxidized by heating, and the cooling layer can promote the cooling of the tank body 51, so as to make the dust fall off from the inner wall of the tank body 51.

[0050] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by the person skilled in the art that the utility model is not limited by the above embodiments, the above embodiments and the description in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A cooling type dust removal filter device applied to a vacuum duct, characterized by, The utility model relates to a filter assembly, which comprises: a first pipeline (1) connected with a first valve group (3); a second pipeline (2) connected with a second valve group (4); a filter assembly (5) connected between the first pipeline (1) and the second pipeline (2), comprising a tank body (51) and a filter element (52) connected inside the tank body (51), the tank body (51) is respectively provided with a first opening (513) and a second opening (514) for connecting the first pipeline (1) and the second pipeline (2), one end of the tank body (51) is provided with a detachable cover (511), a mounting plate (521) of the filter element (52) is connected to the cover (511), an open end (522) of the filter element (52) is sealingly connected to the other end of the tank body (51), and the first opening (513) corresponds to the open end (522) of the filter element (52).

2. The cooling-type dust removal filter device for a vacuum pipeline according to claim 1, characterized by, The open end (522) of the filter element (52) is an air inlet end.

3. The cooled dust filtration device for use in a vacuum tube according to claim 1, characterized in that, The open end (522) of the filter element (52) is further connected with an elastic pad layer (523), and the elastic pad layer (523) is arranged between the open end (522) of the filter element (52) and the bottom end of the tank body (51).

4. The cooled dust filtration device for use in a vacuum tube according to claim 1, characterized in that, The first valve group (3) comprises a first valve a (31) and a first valve b (32) arranged in front and back, and the second valve group (4) comprises a second valve a (41) and a second valve b (42) arranged in front and back.

5. The cooled dust filtration device for use in a vacuum tube according to claim 1, characterized in that, The filter assembly (5) further comprises a purge part (53) connected to the tank body (51), and the purge part (53) comprises a gas blowing pipeline (531), and the gas blowing pipeline (531) has a gas outlet end facing the filter element (52).

6. The cooled dust filtration device for use in a vacuum pipeline according to claim 5, characterized in that, The purge part (53) is arranged in multiple groups, and each purge part (53) is distributed along the circumference of the tank body (51) and / or along the axial direction of the tank body (51).

7. The cooled dust filtration device for use in a vacuum pipeline according to claim 5, characterized in that, The filter assembly (5) further comprises an ash falling assembly (54) communicated to the side bottom of the tank body (51), and the ash falling assembly (54) comprises a third pipeline (541) and an ash falling tank (542) communicated to the outlet end of the third pipeline (541).

8. Cooling dust removal filter device for vacuum tube according to claim 7, characterized in that The ash falling tank (542) is provided with a visible window (543).

9. The cooled dust filtration device for use in a vacuum tube according to claim 1, characterized in that, The filter assembly (5) further comprises a cooling shell (55) sleeved outside the tank body (51), and a cooling layer is formed between the cooling shell (55) and the tank body (51), and the cooling shell (55) is respectively connected with a medium inlet (551) and a medium return (552).

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