Dust generating mechanism of bag-in and bag-out equipment

Abstract

The utility model relates to a dust generating mechanism of bag-in and bag-out equipment, the dust generating mechanism comprises a dust generating part and dust discharging parts, the dust discharging parts are symmetrically arranged on two sides of the dust generating part by taking the dust generating part as a center and are connected to the dust generating part to realize dust generation, and each dust discharging part comprises a connecting piece and a guide assembly. The symmetrical dust generating mechanism composed of the dust generating part and the dust outlet part is arranged, the guide assembly of a symmetrical structure is further designed on the dust outlet part, the second holes are evenly formed in the guide assembly and used for generating dust, and it is guaranteed that the guide distances from the second holes to the conveying fork point are consistent; the pressure of each second hole on the interior of the equipment is the same, so that the uniformity of upstream dust particles is further ensured, the structural resistance of the traditional design is reduced, and meanwhile, the problems of complicated original structure and inconvenience in production are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of air purification equipment, in particular to a dust generating mechanism of a bag-in-bag-out device. Background Art

[0002] The bag-in-bag-out device is a special filtration system or material handling system, and its core design lies in replacing or processing the filtration medium or material in the system through the "bag-in" and "bag-out" methods, so as to maintain the operating efficiency and safety of the system. The dust generating mechanism is usually designed to ensure the generation of uniform aerosol or dust upstream of the filter in the bag-in-bag-out system to meet specific test or experimental requirements. Especially in places such as P3 laboratories that require a high cleanliness environment, the dust generating mechanism of the bag-in-bag-out device needs to meet strict uniformity requirements.

[0003] According to the requirements of GB50591, the dust generation upstream of the filter needs to meet the particle uniformity within ±20%. This requirement places high demands on the upstream dust generating device. Currently, coil-based dust generation is used, and a large resistance flow equalizing plate is used at the rear to achieve the uniformity of upstream dust particles. However, this structure increases the overall structural resistance of the bag-in-bag-out device, directly affecting the energy efficiency at the customer's usage end and the total pressure of other supporting equipment such as the air handling unit. Summary of the Utility Model

[0004] Aiming at the above-mentioned shortcomings of the prior art, the purpose of the utility model is to provide a dust generating mechanism of a bag-in-bag-out device to solve one or more problems in the prior art.

[0005] To achieve the above purpose, the technical solution of the utility model is as follows:

[0006] A dust generating mechanism of a bag-in-bag-out device, the dust generating mechanism includes a dust generating part and a dust discharging part. The dust discharging part is symmetrically arranged on both sides of the dust generating part with the dust generating part as the center, and is connected to the dust generating part to achieve dust generation.

[0007] Further, the dust generating part is provided with a first hole, and the first hole is matched with an external dust generating hole.

[0008] Further, the dust discharging part includes a connecting piece and a guiding component. One end of the connecting piece is communicated with the dust generating part, and the other end of the connecting piece is communicated with the guiding component.

[0009] Further, the guiding component includes at least two first guiding pieces, and the surface of the first guiding piece is uniformly provided with second holes and the second holes penetrate through the first guiding piece.

[0010] Further, the guiding component further includes a second guiding piece, and the second guiding piece is communicated with the first guiding pieces and is arranged between the first guiding pieces.

[0011] Further, the guiding assembly further includes a third guiding member, and the third guiding member is respectively communicated with the second guiding member and the connecting member.

[0012] Further, the guiding assembly is symmetrically arranged about the center of the third guiding member.

[0013] Further, the guiding distances of the second holes at the intersection of the second guiding member and the third guiding member are equal.

[0014] Compared with the prior art, the beneficial technical effects of the present utility model are as follows:

[0015] The present utility model is provided with a symmetric dust generating mechanism composed of a dust generating part and a dust discharging part. A symmetric guiding assembly is further designed in the dust discharging part, and second holes are evenly arranged on the guiding assembly for dust generation. Moreover, the guiding distances from the second holes to the conveying fork points are ensured to be consistent, so that the pressure on the equipment inside each second hole is the same, further ensuring the uniformity of upstream dust particles, reducing the structural resistance of the traditional design, and at the same time solving the problems of the original complex structure and inconvenient production. Description of the Drawings

[0016] Figure 1 The structural schematic diagram of the dust generating mechanism of a bag-in and bag-out device according to an embodiment of the present utility model is shown.

[0017] Figure 2 The structural schematic diagram of a bag-in and bag-out device of the dust generating mechanism of a bag-in and bag-out device according to an embodiment of the present utility model is shown.

[0018] Reference signs in the drawings: 1. Dust generating part; 101. First hole; 2. Dust discharging part; 201. Connecting member; 202. Guiding assembly; 2021. First guiding member; 20211. Second hole; 2022. Second guiding member; 2023. Third guiding member; 3. Air inlet end; 4. Flow equalizing member; 5. Filter; 6. Air outlet end. Detailed Embodiments

[0019] In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the following further details the dust generating mechanism of a bag-in-bag-out device proposed by the present utility model in conjunction with the accompanying drawings and specific embodiments. According to the following description, the advantages and features of the present utility model will be clearer. It should be noted that the accompanying drawings are in a very simplified form and all use non-precise scales. The orientation or positional relationship indicated by terms such as "center", "lateral", "length", "width", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", etc. is based on the orientation or positional relationship shown in the accompanying drawings, rather than indicating or implying that a dust generating mechanism or component of a bag-in-bag-out device must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a limitation to the present utility model, and is only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present utility model. In order to make the purpose, features and advantages of the present utility model more obvious and understandable, please refer to the accompanying drawings.

[0020] It should be noted that the structures, ratios, sizes, etc. shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those who are familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present utility model. Therefore, they do not have technical substantive significance. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects that the present utility model can produce and the purposes that can be achieved, should still fall within the scope covered by the technical content disclosed by the present utility model.

[0021] The following describes the specific structure of the dust generating mechanism of a bag-in-bag-out device:

[0022] Please refer to Figure 1 , for the dust generating mechanism of this embodiment, the dust generating mechanism includes a dust generating part 1 and a dust discharging part 2. The dust discharging part 2 is symmetrically arranged on both sides of the dust generating part 1 with the dust generating part 1 as the center, and the dust discharging part 2 is also connected to the dust generating part 1 to realize dust generation.

[0023] Furthermore, the dust generating part 1 is provided with a first hole 101. The dust generating part 1 can be welded inside the bag-in-bag-out device and the first hole 101 is matched with an external dust generating hole.

[0024] Furthermore, the dust discharging part 2 includes a connecting piece 201 and a guiding component 202. One end of the connecting piece 201 communicates with the dust generating part 1, and the other end of the connecting piece 201 communicates with the guiding component 202.

[0025] Further, the guiding component 202 includes at least two first guiding members 2021. The surface of the first guiding member 2021 is evenly provided with second holes 20211, and the second holes 20211 penetrate through the first guiding member 2021. The number of the second holes 20211 should neither be too many nor too few. Too many may lead to an increase in manufacturing costs, and at the same time, it increases the difficulty of maintenance and repair, or may cause the air flow velocity in a local area to be too fast or too slow, affecting the divergence effect. Too few may affect the efficiency and effect of the subsequent dust removal process, thereby affecting the operating efficiency of the entire system. In this embodiment, it is preferably set that there are 32 second holes 20211 to finely control the divergence speed and direction of dust, so as to improve the uniformity of dust emission.

[0026] Further, the guiding component 202 further includes a second guiding member 2022. The second guiding member 2022 is connected to the first guiding member 2021 and is arranged between the first guiding members 2021. In this embodiment, two second guiding members 2022 are provided. The guiding component 202 further includes a third guiding member 2023. The third guiding member 2023 is respectively connected to the second guiding member 2022 and the connecting member 201. The guiding component 202 is symmetrically arranged about the center of the third guiding member 2023. In this embodiment, the guiding component 202 is all in the same plane, and the two first guiding members 2021 are arranged in parallel and their ends are flush. The two second guiding members 2022 are perpendicularly connected to the first guiding member 2021 and are symmetrically arranged about the first guiding member 2021. The third guiding member 2023 is perpendicularly connected to the center position of the second guiding member 2022.

[0027] Further, the guiding distances of the second holes 20211 at the intersections near the second guiding member 2022 and the third guiding member 2023 are all equal. By setting like this, it is ensured that the pressure on the inside of the bag-in-bag-out device for each second hole 20211 is the same, effectively ensuring the uniformity.

[0028] The following describes the specific working process of the dust emission mechanism of the bag-in-bag-out device according to the embodiment of the present invention as follows:

[0029] Please continue to refer to Figure 2 , the wind direction is from left to right. First, it passes through the air inlet end 3, then is transmitted to the dust emission mechanism through the dust emission holes, enters the dust emission part 1 from the first hole 101, then enters the guiding component 202 through the connecting member 201, then sequentially passes through the third guiding member 2023, the second guiding member 2022 and the first guiding member 2021 and is output from the second holes 20211, then the upstream dust particles are made uniform through the flow equalizing member 4, and then the air is filtered through the filter 5 and discharged into the atmosphere through the air outlet end 6.

[0030] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the various technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope recorded in this specification.

[0031] The above-described embodiments merely represent several implementation manners of the present utility model. The description thereof is relatively specific and detailed, but it should not be construed as a limitation on the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the present utility model patent shall be subject to the appended claims.

Claims

1. A dust generating mechanism for bag-in-bag-out equipment, characterized in that: The dust generating mechanism comprises a dust generating part and a dust outlet part. The dust outlet part is symmetrically arranged on both sides of the dust generating part with the dust generating part as the center, and is connected to the dust generating part to realize dust generation.

2. A dust generating mechanism for bag-in-bag-out equipment as claimed in claim 1, characterized in that: The dust generating portion is provided with a first hole, and the first hole matches with the external dust generating hole.

3. A dust generating mechanism for bag-in-bag-out equipment as claimed in claim 2, characterized in that: The dust outlet portion comprises a connecting piece and a guide assembly, one end of the connecting piece is connected to the dust generating portion, and the other end of the connecting piece is connected to the guide assembly.

4. A dust generating mechanism for bag-in-bag-out equipment as claimed in claim 3, characterized in that: The guide assembly includes at least two first guide members, second holes are evenly arranged on the surfaces of the first guide members, and the second holes penetrate through the first guide members.

5. A dust generating mechanism for bag-in-bag-out equipment as claimed in claim 4, characterized in that: The guide assembly further includes a second guide member, which is connected to the first guide member and is disposed between the first guide members.

6. A dust generating mechanism for bag-in-bag-out equipment as claimed in claim 5, characterized in that: The guide assembly further includes a third guide member, and the third guide member is respectively connected to the second guide member and the connecting member.

7. A dust generating mechanism for bag-in-bag-out equipment as claimed in claim 6, characterized in that: The guide assembly is symmetrically arranged about the center of the third guide member.

8. A dust generating mechanism for bag-in-bag-out equipment as claimed in claim 7, characterized in that: The guiding distances of the second holes at the intersections of the second guide member and the third guide member adjacent to each other are all equal.

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