A primary dust removal device and a dust removal system

CN224372387UActive Publication Date: 2026-06-19YUNNAN TONGWEI HIGH PURITY CRYSTALLINE SILICON CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YUNNAN TONGWEI HIGH PURITY CRYSTALLINE SILICON CO LTD
Filing Date
2025-05-09
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Existing dust removal devices require extensive construction work when the coverage area is expanded, and their filtration capacity is insufficient, leading to increased silicon material loss.

Method used

A single tank is connected to multiple connecting pipes, which connect to multiple dust removal points or equipment. The integration of multiple connecting pipes reduces the amount of construction work, and efficient filtration is achieved through the deposition of large particles inside the tank.

Benefits of technology

This approach expands the coverage area without increasing the amount of construction work, while reducing silicon material loss and improving dust removal efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of primary dust removal device and dust removal system, and the purpose is to solve the technical problem that existing dust removal equipment will cause large construction amount when increasing coverage. The primary dust removal device comprises: tank body, top is equipped with exhaust port, bottom is equipped with residue discharge port;Multiple connecting pipes, one end of the connecting pipe is communicated on the tank body, all the connecting pipes are distributed on the circumference of the tank body;Multiple stop valves are correspondingly provided on each connecting pipe;Connecting flange is provided on the residue discharge port;Cover plate is detachably connected with the connecting flange. By setting a tank body, and by multiple connecting pipes on the tank body to realize communication with multiple dust removal points or multiple dust removal equipment, the purpose of increasing coverage is realized. In addition, by integrating multiple connecting pipes with the dust removal device, the purpose of reducing construction amount is realized.
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Description

Technical Field

[0001] This utility model relates to the field of dust removal technology, specifically to a primary dust removal device and dust removal system. Background Technology

[0002] Currently, in the polysilicon industry, each production equipment is connected to a dust removal device via an external dust removal pipeline, or a dust removal device is installed independently for each equipment. When there are multiple dust removal points on the equipment, or when there are many pieces of equipment that need to be connected to a dust removal device, a large number of pipeline structures are installed on the top of the workshop, resulting in a large amount of construction work.

[0003] Meanwhile, existing dust removal devices are weak in filtering large materials, and the silicon material that is sucked up directly becomes dust powder, increasing silicon material loss. Utility Model Content

[0004] To address the technical problem that increasing the coverage area of ​​existing dust removal equipment results in a large amount of construction work, this utility model provides a primary dust removal device and dust removal system. By setting up a tank and connecting multiple dust removal points or multiple dust removal devices through multiple connecting pipes on the tank, the purpose of increasing the coverage area is achieved. In addition, by integrating multiple connecting pipes, the construction work is reduced.

[0005] The technical solution of this utility model is:

[0006] A primary dust removal device, comprising:

[0007] The tank body has an exhaust port at the top and a slag discharge port at the bottom;

[0008] Multiple connecting pipes, one end of which is connected to the tank body, and all the connecting pipes are distributed around the circumference of the tank body;

[0009] Multiple shut-off valves are installed on each of the connecting pipes, one in each order;

[0010] A connecting flange is provided on the slag discharge port;

[0011] The cover plate is detachably connected to the connecting flange.

[0012] Optionally, the tank sidewall is equipped with a large-diameter connecting pipe and a small-diameter connecting pipe.

[0013] Optionally, large-diameter connecting pipes and small-diameter connecting pipes can be installed alternately.

[0014] Optionally, the bottom of the tank is a conical collection section.

[0015] Optionally, the collecting part and the middle part of the tank are detachably connected as separate structures.

[0016] Optionally, the collecting section is connected to the middle part of the tank via a flange.

[0017] Optionally, a sealing ring is provided between the collecting part and the middle part of the tank.

[0018] Optionally, the cover plate can be replaced with a dust collection container.

[0019] A dust removal system including a primary dust removal device, further including a dust collection assembly, wherein an exhaust port at the top of the tank is connected to the dust collection assembly.

[0020] Optionally, a valve is provided between the vacuuming assembly and the exhaust port on the top of the tank.

[0021] Compared with the prior art, the beneficial effects of this utility model are:

[0022] By setting up a tank with multiple connecting pipes, and connecting to multiple dust collection points or multiple dust collection devices through all the connecting pipes, the coverage area can be increased. In addition, when in use, the points that need to be dust collected can be connected to one of the connecting pipes, thereby reducing the amount of construction work. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a three-dimensional structural diagram of the present invention. Detailed Implementation

[0025] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of this invention. Therefore, the drawings and description are considered exemplary in nature and not restrictive.

[0026] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are only used to facilitate the description of this utility model and to simplify the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0027] The following disclosure provides many different embodiments or examples for implementing various structures of this invention. To simplify the disclosure, specific examples of components and arrangements are described below. These are merely examples and are not intended to limit the scope of the invention. Furthermore, reference numerals and / or letters may be repeated in different examples; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, examples of various specific processes and materials are provided in this invention, but those skilled in the art will recognize the application of other processes and / or the use of other materials.

[0028] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0029] Example 1:

[0030] See Figure 1 This embodiment discloses a primary dust removal device, including a tank 10, connecting pipes 20, shut-off valves 30, connecting flanges 40, and a cover plate 50. Multiple connecting pipes 20 are provided on the tank 10, and a shut-off valve 30 is installed on each connecting pipe 20. The cover plate 50 and connecting flanges 40 are also provided on the tank 10. By setting up a single tank 10 and connecting multiple pipes 20 on the tank 10 to connect to multiple dust removal points or multiple dust removal devices, the coverage area is increased. Furthermore, by integrating multiple connecting pipes 20 into this dust removal device, the amount of construction work is reduced.

[0031] Specifically, the tank body 10 has an exhaust port at the top and a slag discharge port at the bottom. All connecting pipes 20 are connected to the interior of the tank body 10 at one end, and all connecting pipes 20 are distributed around the circumference of the tank body 10. A connecting flange 40 is installed on the slag discharge port, and a cover plate 50 is detachably installed on the connecting flange 40.

[0032] The shut-off valve 30 on each connecting pipe 20 is used to cut off or open the connecting pipe 20, thereby controlling the airflow direction within the tank 10 and the connecting pipe 20.

[0033] In this embodiment, the internal space of the tank 10 is connected to the dust removal point via the connecting pipe 20, allowing the dust-laden airflow from the dust removal point to enter the tank 10. Simultaneously, due to the small diameter of the connecting pipe 20, larger and heavier particles at the dust removal point can also be removed. Because the internal diameter of the connecting pipe 20 is much smaller than the internal dimensions of the tank 10, the flow velocity of the dust-laden airflow inside the tank 10 is lower than the flow velocity inside the connecting pipe 20. At this time, large particles in the airflow will deposit inside the tank 10 and accumulate at the slag discharge port.

[0034] A cover plate 50 is installed on the connecting flange 40 at the bottom slag discharge port of the tank body 10, which can effectively prevent large materials from falling and also prevent airflow from being discharged from the slag discharge port.

[0035] In this embodiment, the purpose of providing the connecting flange 40 is to install the cover plate 50.

[0036] In one specific embodiment:

[0037] The tank body 10 is equipped with a large-diameter connecting pipe 20 and a small-diameter connecting pipe 20 on its side wall. By setting up connecting pipes 20 of various diameters, the dust collector can adapt to the needs of different dust collection points.

[0038] Preferably, large-diameter connecting pipes 20 and small-diameter connecting pipes 20 are installed alternately to meet the needs of different dust removal points around the dust removal device.

[0039] In another specific embodiment:

[0040] The bottom of the tank 10 is a cone-shaped collection section 11, through which large materials deposited inside the tank 10 are temporarily stored.

[0041] In another specific embodiment:

[0042] The collection section 11 and the tank 10 are detachably connected in the middle. By designing the collection section 11 as a detachable structure, it is convenient to clean the inside of the tank 10.

[0043] In another specific embodiment:

[0044] The collecting part 11 is connected to the middle of the tank body 10 by a flange. Since the tank body 10 is large, a flange connection is designed to facilitate installation.

[0045] Preferably, a sealing ring 12 is provided between the collecting part 11 and the middle part of the tank 10. The sealing ring 12 is made of rubber and has a certain elasticity. By providing a sealing ring 12 between the collecting part 11 and the middle part of the tank 10, air leakage at the connection between the collecting part 11 and the middle part of the tank 10 can be avoided.

[0046] In another specific embodiment:

[0047] A dust collection container can also be installed on the connecting flange 40 at the bottom of the tank 10, so that large materials in the tank 10 fall directly into the dust collection container.

[0048] Example 2:

[0049] A dust removal system including the primary dust removal device described in Embodiment 1, the dust removal system further includes a dust suction component, the exhaust port at the top of the tank 10 is connected to the dust suction component, the dust suction component generates an airflow flowing into the tank 10 through the connecting pipe 20, thereby achieving dust suction.

[0050] Preferably, a valve is provided between the dust collection component and the exhaust port at the top of the tank 10. When it is necessary to release large materials in the collection section 11 or to clean the inside of the tank 10, the dust collection component can be isolated from the tank 10 by closing the valve.

[0051] The embodiments described above merely illustrate specific implementations of this utility model, and while the descriptions are detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.

Claims

1. A primary dust removal device, characterized in that, include: The tank body has an exhaust port at the top and a slag discharge port at the bottom; Multiple connecting pipes, one end of which is connected to the tank body, and all the connecting pipes are distributed around the circumference of the tank body; Multiple shut-off valves are installed on each of the connecting pipes, one in each order; A connecting flange is provided on the slag discharge port; The cover plate is detachably connected to the connecting flange.

2. The primary dust removal device according to claim 1, characterized in that, The tank body is equipped with a large-diameter connecting pipe and a small-diameter connecting pipe on its side wall.

3. The primary dust removal device according to claim 2, characterized in that, Large-diameter connecting pipes and small-diameter connecting pipes are installed alternately.

4. The primary dust removal device according to claim 1, characterized in that, The bottom of the tank is a cone-shaped collection section.

5. The primary dust removal device according to claim 4, characterized in that, The collection section and the middle part of the tank are separate structures that can be detachably connected.

6. The primary dust removal device according to claim 5, characterized in that, The collection section is connected to the middle of the tank via a flange.

7. The primary dust removal device according to claim 5, characterized in that, A sealing ring is provided between the collection section and the middle part of the tank.

8. The primary dust removal device according to claim 1, characterized in that, The cover plate was replaced with a dust collection container.

9. A dust removal system comprising the primary dust removal device according to any one of claims 1-8, characterized in that, It also includes a vacuuming component, and the exhaust port on the top of the tank is connected to the vacuuming component.

10. The dust removal system of the primary dust removal device according to claim 9, characterized in that, A valve is provided between the dust collection component and the exhaust port on the top of the tank.