CN210186672U

CN210186672U - Dust collecting device and weightlessness scale

Info

Publication number: CN210186672U
Application number: CN201921039205.5U
Authority: CN
Inventors: Zhongfeng Han; 韩忠峰
Original assignee: BEIJING YANSHAN FUNKEN PRECISION MACHINERY Co Ltd
Current assignee: BEIJING YANSHAN FUNKEN PRECISION MACHINERY Co Ltd
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2020-03-27
Anticipated expiration: 2029-07-04

Abstract

The application provides a dust arrester installation and weightlessness title relates to the material processing field. The dust collecting device comprises a blowback pipe, a filter cartridge and a shell. The blowback pipe comprises an air injection section. One end of the filter cylinder is open, and the other end is closed. The gas injection section is at least partially contained within the filter cartridge. The casing holds the chamber including holding, and the cartridge filter holds in holding the intracavity. The filter cartridge will hold the chamber and divide into first cavity and second cavity, and first cavity is used for communicating with the hopper, and the gas injection section is located the second cavity. The weightlessness scale comprises a hopper and the dust collecting device. The hopper comprises a feeding hole, a discharging hole, a dust filtering hole and a hopper body. The feed inlet is opened in the upper end of hopper body, and the lower extreme of hopper body is opened in the discharge gate, and the dirt mouth is close to the feed inlet. The shell is connected with the dust filtering port so as to enable the hopper body to be communicated with the first chamber. The dust collecting device can reuse collected dust. The weightless scale can return the lifted dust to the hopper again.

Description

Dust collecting device and weightlessness scale

Technical Field

The application relates to the field of material treatment, in particular to a dust collecting device and a weightless scale.

Background

A degassing and pressure equalizing device of a weightless scale in the related art uses a centralized dust collecting system, and materials collected by the dust collecting system cannot be recycled in a production system.

The applicant has found that the problems in the related art are: the materials after dust collection can not be reused.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of this application is to provide a dust arrester installation, it aims at improving the problem that the material after gathering dust can not reuse among the relevant art.

The embodiment of the application provides a dust collecting device, and the dust collecting device comprises a blowback pipe, a filter cartridge and a shell. The blowback pipe comprises an air injection section. One end of the filter cylinder is open, and the other end is closed. The gas injection section is at least partially contained within the filter cartridge. The casing holds the chamber including holding, and the cartridge filter holds in holding the intracavity. The filter cartridge will hold the chamber and divide into first cavity and second cavity, and first cavity is used for communicating with the hopper, and the gas injection section is located the second cavity.

Through setting up the cartridge filter for the cartridge filter holds in the casing, will hold the chamber and divide into first cavity and second cavity, and the dust that rises when feeding or unloading is filtered when passing through the cartridge filter, and the dust is kept somewhere or is attached to on the cartridge filter, and the air flows out behind the second cavity. The gas injection section of the blowback pipe is at least partially accommodated in the filter cartridge, and the gas injected by the gas injection section can blow the dust attached to the surface of the filter cartridge back to the hopper again, so that the materials after dust collection can be reused.

As an optional technical scheme of the embodiment of the application, the shell is of a cylindrical structure with two open ends. The dust collecting device also comprises a shielding piece, and the shielding piece is connected with one end of the shell. The second chamber is shielded by the shielding piece, and an air passage is reserved between the shielding piece and the shell. The second chamber is shielded by the shielding piece, so that external dust can be prevented from entering the hopper to pollute materials to a certain extent.

As an optional technical solution of the embodiment of the present application, the shielding piece includes a connecting portion and a first shielding portion, and the connecting portion is connected to the first shielding portion. The connecting part is connected with the shell. The first shielding part shields the second chamber. A gap is formed between the first shielding part and the end part of the shell, and the air channel is arranged between the first shielding part and the end part of the shell. The first shielding part is used for shielding the second chamber and preventing impurities from entering the second chamber. A gap is formed between the first shielding part and the shell, and separated air can enter the atmosphere from the gap between the first shielding part and the shell.

As an optional technical solution of the embodiment of the present application, the shielding piece includes a second shielding portion, and the second shielding portion is connected with the first shielding portion. The second shielding part extends towards the end part of the shell, and a gap is formed between the second shielding part and the side wall of the shell. Through setting up first occlusion part, mainly shelter from the impurity that comes from the top, through setting up second occlusion part, second occlusion part extends towards the tip of casing, and second occlusion part can shelter from the impurity that comes from the side.

As an optional technical scheme of the embodiment of the application, the shell is of a cylindrical structure with one open end and one closed end. The second chamber is close to the closed end of the shell, and an air outlet is formed in the side cavity wall of the second chamber so that air flows out of the second chamber. One end of the shell is closed, and the side face of the shell is provided with the air outlet, so that dust can be prevented from entering the hopper to a certain extent, and recycling of materials is facilitated.

As an optional technical scheme of this application embodiment, the cartridge filter includes cartridge filter body and connection pad, has the clearance between cartridge filter body and the casing. The connecting disc connects the outer wall of the filter cartridge body and the inner wall of the housing to separate the first chamber from the second chamber. When having the clearance between cartridge filter and the casing, through setting up the connection pad, the outer wall and the shells inner wall of cartridge filter body are connected to the connection pad to make first cavity and second cavity separate, force dust and gas at the cartridge filter by the separation.

As an alternative solution to the embodiments of the present application, the housing includes a first section and a second section, and the first section and the second section are detachably connected. The cartridge filter is accommodated in the first section, the connection disc is connected with one end of the first section, and the other end of the first section is used for being connected with the hopper. The shell is divided into the first section and the second section which are detachable, so that the dust collecting device is convenient to connect.

As an optional technical scheme of the embodiment of the application, the blowback pipe comprises an air supply section, and the diameter of the air supply section is smaller than that of the air injection section. And the venturi is arranged, so that the collected dust can be blown back to the hopper conveniently.

As an optional technical scheme of the embodiment of the application, the dust collecting device comprises a compressor and an electromagnetic valve. The solenoid valve is connected with the air feed section, and the compressor is connected with the air feed section, and the solenoid valve is used for controlling the flow of air feed section. The compressor is used for supplying air to the air supply section, the electromagnetic valve is arranged to limit the flow of the air supply section, and the strength of back flushing is conveniently controlled.

The embodiment of the application also provides a weightlessness scale, which comprises a hopper and the dust collecting device in any one of the above. The hopper comprises a feeding hole, a discharging hole, a dust filtering hole and a hopper body, the feeding hole is arranged at the upper end of the hopper body, the discharging hole is arranged at the lower end of the hopper body, and the dust filtering hole is close to the feeding hole. The shell is connected with the dust filtering port so as to enable the hopper body to be communicated with the first chamber. The dust filtering port is arranged at the position close to the feeding port, so that the dust collecting device can be convenient to process the raised dust.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a dust collecting apparatus provided in an embodiment of the present application;

fig. 2 is a schematic structural diagram of a weightlessness scale (including a hopper and a dust collecting device) provided in an embodiment of the present application.

Icon: 10-a dust collecting device; 100-a filter cartridge; 110-a filter cartridge body; 120-connecting disc; 200-a housing; 210-a first chamber; 220-a second chamber; 230-a first section; 240-second segment; 300-a blowback pipe; 310-a gas injection section; 320-a gas supply section; 400-a shield; 410-a connecting portion; 420-a first shade; 430-a second shade; 500-electromagnetic valve; 600-clamping a hoop; 700-a hopper; 710-a hopper body; 720-feed inlet; 730-a discharge hole; 740-dust filter.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present application, it is to be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, refer to the orientation or positional relationship as shown in the drawings, or as conventionally placed in use of the product of the application, or as conventionally understood by those skilled in the art, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be considered as limiting the present application.

Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

A degassing and pressure equalizing device of a weightless scale in the related art uses a centralized dust collecting system, and materials collected by the dust collecting system cannot be recycled in a production system. The applicant has found that the problems in the related art are: the materials after dust collection can not be reused. In view of the above situation, the applicant provides a dust collecting device and a weightlessness scale on the basis of a great amount of theoretical research and actual operation. The dust collecting device can reuse collected dust. The weightless scale can return the lifted dust to the hopper again.

Examples

Referring to fig. 1 and fig. 2, the present embodiment provides a dust collecting apparatus 10, where the dust collecting apparatus 10 includes a blowback pipe 300, a filter cartridge 100, and a housing 200. The blowback pipe 300 includes a blowing section 310. The filter cartridge 100 is open at one end and closed at the other end. The gas injection section 310 is at least partially housed within the filter cartridge 100. The housing 200 includes a receiving chamber in which the filter cartridge 100 is received. The filter cartridge 100 divides the housing chamber into a first chamber 210 and a second chamber 220, the first chamber 210 being adapted to communicate with the hopper 700, and the gas injection section 310 being located in the second chamber 220.

Through setting up filter cartridge 100 for filter cartridge 100 holds in casing 200, will hold the chamber and divide into first cavity 210 and second cavity 220, and the dust that rises when feeding or unloading is filtered when passing through filter cartridge 100, and the dust is stayed or is attached to filter cartridge 100, and the air flows out behind second cavity 220. The gas injection section 310 of the blowback pipe 300 is at least partially accommodated in the filter cartridge 100, and the gas injected from the gas injection section 310 can blow the dust attached to the surface of the filter cartridge 100 back into the hopper 700, so that the collected dust can be reused.

Referring to fig. 1, in the present embodiment, the housing 200 is a cylindrical structure with two open ends. In the present embodiment, the housing 200 is a cylinder. In an alternative embodiment, the housing 200 may also be a square or other irregular cylinder. In the present embodiment, the diameters of the housing 200 are equal at respective positions in the length direction. In an alternative embodiment, the diameters of the housing 200 may not be equal at various positions along the length. For example, the diameter of the housing 200 may gradually increase or decrease in the length direction.

In this embodiment, the housing 200 includes a first section 230 and a second section 240, with the first section 230 and the second section 240 being removably coupled therebetween. In this embodiment, the first section 230 and the second section 240 are coupled together by a clamp 600. In an alternative embodiment, a bolt connection may be used between the first section 230 and the second section 240. The filter cartridge 100 is received in the first section 230, and the other end of the first section 230 is adapted to be connected to the hopper 700. By dividing the housing 200 into a removable first section 230 and a removable second section 240, attachment of the dust collection apparatus 10 is facilitated.

In the present embodiment, the housing 200 includes a first section 230 and a second section 240, and the first section 230 and the second section 240 are detachably connected. In an alternative embodiment, the housing 200 may also be a one-piece structure, i.e., a cylinder.

Referring to fig. 1, in the embodiment, the dust collecting apparatus 10 further includes a shielding member 400, and the shielding member 400 is connected to one end of the housing 200. The shield 400 shields the second chamber 220, leaving an air passage between the shield 400 and the housing 200. By providing the shield 400 to shield the second chamber 220, external dust can be prevented from entering the hopper 700 to contaminate the material to some extent.

The shield 400 includes a connection portion 410 and a first shield portion 420, and the connection portion 410 is connected to the first shield portion 420. The connection portion 410 is connected with the case 200. The first shielding part 420 shields the second chamber 220. Referring to fig. 1, in the present embodiment, the first blocking portion 420 is disc-shaped, and a diameter of the first blocking portion 420 is larger than an outer diameter of the housing 200. The first shielding part 420 mainly shields foreign substances from the upper end of the housing 200 to prevent the foreign substances from the upper end of the housing 200 from entering the filter cartridge 100. A gap is formed between the first shielding portion 420 and the end of the housing 200, and an air passage is provided between the first shielding portion 420 and the end of the housing 200. The gap between the first shielding portion 420 and the end of the housing 200 is an air passage in the present embodiment. In other optional embodiments, an air channel may be additionally opened. By providing the connection portion 410 to connect the first shielding portion 420 and the housing 200, the first shielding portion 420 is used to shield the second chamber 220 from the foreign substances. There is a gap between the first shielding portion 420 and the housing 200, and separated air can enter the atmosphere from the gap between the first shielding portion 420 and the housing 200.

The shield 400 includes a second shielding portion 430, and the second shielding portion 430 is connected to the first shielding portion 420. The second shielding portion 430 extends toward the end of the housing 200, and the second shielding portion 430 primarily shields foreign substances from the side of the housing 200. In the present embodiment, the second shielding portion 430 extends downward, but does not extend beyond the upper end surface of the housing 200. In an alternative embodiment, the second shielding portion 430 extends downward and beyond the upper end surface of the housing 200, which also provides a better shielding effect. The second shielding portion 430 has a gap with a side wall of the housing 200, through which air can flow from the inside of the housing 200 to the atmosphere. By providing the first shielding portion 420, impurities from above are mainly shielded, and by providing the second shielding portion 430, the second shielding portion 430 extends toward the end of the housing 200, and the second shielding portion 430 can shield impurities from the side. The connection portion 410, the first shielding portion 420, and the second shielding portion 430 are integrally formed, so that the structure is more tight, no gap exists, and the entry of foreign substances can be further prevented. The air inside the case 200 enters the atmosphere through the gap between the first shielding portion 420 and the case 200 and the gap between the second shielding portion 430 and the case 200.

In this embodiment, the housing 200 is a cylinder with two open ends, and a shielding member 400 is required to shield impurities. In an alternative embodiment, the housing 200 is a cylindrical structure that is open at one end and closed at the other end. The second chamber 220 is close to the closed end of the housing 200, and an air outlet is formed on a side wall of the second chamber 220 to allow air to flow out of the second chamber 220. One end of the shell 200 is closed, and the side surface of the shell is provided with the air outlet, so that dust can be prevented from entering the hopper 700 to a certain extent, and recycling of materials is facilitated.

Referring to fig. 1, in the present embodiment, the filter cartridge 100 includes a filter cartridge body 110 and a connecting plate 120, and a gap is formed between the filter cartridge body 110 and a housing 200. The connection disc 120 connects the outer wall of the filter cartridge body 110 and the inner wall of the housing 200 to partition the first chamber 210 and the second chamber 220. When there is a gap between the filter cartridge 100 and the housing 200, the connection disc 120 connects the outer wall of the filter cartridge body 110 and the inner wall of the housing 200 by providing the connection disc 120 to separate the first chamber 210 and the second chamber 220, and thus the dust and the gas are forcibly separated at the filter cartridge 100.

In the present embodiment, the upper end of the filter cartridge 100 has an opening, and the lower end of the filter cartridge 100 is closed. "closed" here does not mean completely closed, not allowing any substance to pass through, but rather a bottom cover with a filtering action. That is, the dust and air are separated as the lifted dust passes the lower end of the filter cartridge 100, the dust adheres to the closed end of the filter cartridge 100, and the air passes the closed end into the second chamber 220.

The diameter of the filter cartridge 100 is constantly changing in the vertical direction, and referring to fig. 1, the diameter of the filter cartridge 100 is larger and larger from bottom to top, so that the area of the side wall can be fully utilized, more area is involved in the filtering, and the effect is better. It should be noted that "up" and "down" are relative to the arrangement in fig. 1, and when the arrangement is changed, "up" and "down" should be interpreted differently. For example, if fig. 1 is rotated 90 ° counterclockwise, then "from 'down' to 'up'" may be interpreted as "from 'right' to 'left'". The connection plate 120 is connected to the upper end of the filter cartridge 100 and connects the filter cartridge 100 with the inner wall of the housing 200. Dust is prevented from flowing into the atmosphere from the gap between the filter cartridge 100 and the inner wall of the housing 200.

In this embodiment, there is a gap between the filter cartridge 100 and the inner wall of the housing 200, and in other embodiments, the larger diameter end of the filter cartridge 100 is equal to the inner diameter of the housing 200, so that dust must be filtered by the filter cartridge 100. The upper end of the filter cartridge 100 is also provided with a metal conductive wire to eliminate system static electricity.

In the present embodiment, the blowback pipe 300 includes a gas supply section 320 and a gas injection section 310. Wherein the gas injection section 310 is at least partially contained within the filter cartridge 100. In this embodiment, the gas injection section 310 is entirely contained within the filter cartridge 100. The end of the gas injection section 310 away from the gas supply section 320 can inject gas, and the side wall of the gas injection section 310 is also provided with gas injection ports from which gas can be injected. So that the gas ejected from the end of the gas ejection section 310 remote from the gas supply section 320 can re-blow the dust attached to the closed end of the filter cartridge 100 back into the hopper 700. The gas ejected from the gas ejection port can re-blow the dust attached to the side wall of the filter cartridge 100 back into the hopper 700. In this embodiment, the blowback pipe 300 is a venturi, and the diameter of the air supply section 320 is smaller than that of the air injection section 310. By providing a venturi, it is convenient to blow the collected dust back into the hopper 700. In an alternative embodiment, the diameter of the gas supply section 320 may also be equal to the diameter of the gas injection section 310.

The dust collecting apparatus 10 includes a compressor (not shown) and an electromagnetic valve 500. The solenoid valve 500 is connected to the air supply section 320, the compressor is connected to the air supply section 320, and the solenoid valve 500 is used to control the flow rate of the air supply section 320. The compressor is arranged to supply air to the air supply section 320, and the electromagnetic valve 500 is arranged to limit the flow of the air supply section 320, so that the strength of back flushing is conveniently controlled.

The embodiment provides a dust collecting apparatus 10, and the dust collecting apparatus 10 includes a blowback pipe 300, a filter cartridge 100 and a housing 200. The blowback pipe 300 includes a blowing section 310. The filter cartridge 100 is open at one end and closed at the other end. The gas injection section 310 is at least partially housed within the filter cartridge 100. The housing 200 includes a receiving chamber in which the filter cartridge 100 is received. The filter cartridge 100 divides the housing chamber into a first chamber 210 and a second chamber 220, the first chamber 210 being adapted to communicate with the hopper 700, and the gas injection section 310 being located in the second chamber 220. Through setting up filter cartridge 100 for filter cartridge 100 holds in casing 200, will hold the chamber and divide into first cavity 210 and second cavity 220, and the dust that rises when feeding or unloading is filtered when passing through filter cartridge 100, and the dust is stayed or is attached to filter cartridge 100, and the air flows out behind second cavity 220. The gas injection section 310 of the blowback pipe 300 is at least partially accommodated in the filter cartridge 100, and the gas injected from the gas injection section 310 can blow the dust attached to the surface of the filter cartridge 100 back into the hopper 700, so that the collected dust can be reused.

Referring to fig. 2, the present embodiment further provides a weightlessness scale, which includes a hopper 700 and the dust collecting apparatus 10 in any one of the foregoing embodiments. The hopper 700 comprises a feeding hole 720, a discharging hole 730, a dust filtering hole 740 and a hopper body 710, wherein the feeding hole 720 is arranged at the upper end of the hopper body 710, the discharging hole 730 is arranged at the lower end of the hopper body 710, and the dust filtering hole 740 is close to the feeding hole 720. The housing 200 is connected to the dust filter 740 to communicate the hopper body 710 with the first chamber 210. By opening the dust filter 740 at a position close to the feed port 720, the dust collecting device 10 can process raised dust conveniently.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A dust collecting apparatus, characterized in that the dust collecting apparatus comprises:

the back flushing pipe comprises an air injection section;

the filter cylinder is provided with an opening at one end and a closed end at the other end, and the air injection section is at least partially accommodated in the filter cylinder; and

the casing, the casing is including holding the chamber, the filter cartridge hold in hold the intracavity, the filter cartridge will hold the chamber and divide into first cavity and second cavity, first cavity is used for communicating with the hopper, the jet-propelled section is located the second cavity.

2. The dust collecting apparatus according to claim 1, wherein the housing is a cylindrical structure with openings at both ends, the dust collecting apparatus further comprises a shielding member, the shielding member is connected with one end of the housing, the shielding member shields the second chamber, and an air passage is left between the shielding member and the housing.

3. The dust collecting apparatus according to claim 2, wherein the shielding member includes a connecting portion and a first shielding portion, the connecting portion is connected to the housing, the first shielding portion shields the second chamber, a gap is provided between the first shielding portion and an end of the housing, and the air passage is provided between the first shielding portion and the end of the housing.

4. A dust collecting apparatus according to claim 3, wherein the shield includes a second shield portion connected to the first shield portion, the second shield portion extending toward the end of the housing, and a gap is provided between the second shield portion and the side wall of the housing.

5. The dust collecting apparatus according to claim 1, wherein the housing is a tubular structure with an open end and a closed end, the second chamber is close to the closed end of the housing, and an air outlet is formed in a side chamber wall of the second chamber so that air flows out of the second chamber.

6. The dust collecting apparatus as recited in claim 1, wherein the filter cartridge includes a filter cartridge body having a gap with the housing, and a connecting disc connecting an outer wall of the filter cartridge body and an inner wall of the housing to partition the first chamber and the second chamber.

7. The dust collecting apparatus as claimed in claim 6, wherein the housing includes a first section and a second section detachably connected therebetween, the filter cartridge is accommodated in the first section, the connecting plate is connected to one end of the first section, and the other end of the first section is adapted to be connected to a hopper.

8. The dust collecting apparatus according to claim 1, wherein the blowback pipe includes a gas supply section having a diameter smaller than that of the gas injection section.

9. A dust collecting apparatus according to claim 8, wherein the dust collecting apparatus comprises a compressor and an electromagnetic valve, the electromagnetic valve is connected to the air supply section, the compressor is connected to the air supply section, and the electromagnetic valve is used to control a flow rate of the air supply section.

10. The weightlessness scale is characterized by comprising a hopper and the dust collecting device according to any one of claims 1 to 9, wherein the hopper comprises a feeding hole, a discharging hole, a dust filtering hole and a hopper body, the feeding hole is formed in the upper end of the hopper body, the discharging hole is formed in the lower end of the hopper body, the dust filtering hole is close to the feeding hole, and the shell is connected with the dust filtering hole so that the hopper body is communicated with the first chamber.