CN218945643U

CN218945643U - Filtering device and particle separation equipment

Info

Publication number: CN218945643U
Application number: CN202223447163.3U
Authority: CN
Inventors: 张宁; 武则龙; 林伟; 王艳江; 唐堃
Original assignee: Beijing Zhongke Haina Technology Co ltd; Shanxi Huana Carbon Energy Technology Co ltd
Current assignee: Beijing Zhongke Haina Technology Co ltd; Shanxi Huana Carbon Energy Technology Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-05-02
Anticipated expiration: 2032-12-22

Abstract

The utility model belongs to the technical field of particle material separation, and discloses a filtering device and particle separation equipment. The filtering device comprises a filter cylinder, a feed inlet, a discharge outlet and at least one filter screen, wherein the filter cylinder is provided with a filter cavity for granular materials and air flow to pass through; the feed inlet is communicated with the top of the filter cylinder; the discharge hole is communicated with the bottom of the filter cylinder; the filter screen is arranged in the filter cylinder in an inclined mode along a preset angle, a filter discharge hole is communicated with one side, located at the lowest height of the filter screen, of the side wall of the filter cylinder, and the filter screen and the filter discharge hole are arranged in one-to-one correspondence. The filtering device realizes automatic filtration, sorting and collection of large-particle materials, improves screening and classifying collection efficiency, ensures that materials discharged from the discharge port are qualified fine powder materials, and improves the quality of the fine powder materials and products formed by subsequent production.

Description

Filtering device and particle separation equipment

Technical Field

The utility model relates to the technical field of particle material separation, in particular to a filtering device and particle separation equipment.

Background

In the existing production process, materials are crushed by grinding equipment to form granular materials, the granular materials are required to be separated into coarse powder materials and fine powder materials by a cyclone separator, and the coarse powder materials fall to a discharge hole to be collected; the fine powder materials gather towards the center of the cyclone separator under the centripetal force of the cyclone, are discharged from an upper outlet along with ascending airflow and enter a next-stage pulse dust collector, and finally the classified collection of the coarse powder materials and the fine powder materials is realized.

However, during actual production, as part of coarse powder materials enter the pulse dust collector along with the rising action of air flow, part of oversized materials are collected into fine powder, so that the condition of unqualified fine powder granularity of the fine powder materials is caused, and the product quality of the fine powder materials is seriously influenced. In order to ensure the qualification of the granularity of the product, manual operation is often utilized in the prior art to re-screen and classify the fine powder materials, and the process is time-consuming and labor-consuming, and seriously affects the production efficiency.

Disclosure of Invention

The utility model aims to provide a filtering device which can automatically screen and classify granular materials, improve screening and classifying efficiency, ensure the qualification of the granularity of the screened fine powder materials and improve the quality of the fine powder materials and subsequent products.

To achieve the purpose, the utility model adopts the following technical scheme:

the filtering device comprises a filter cylinder, a feed inlet, a discharge outlet and at least one filter screen, wherein the filter cylinder is provided with a filter cavity for granular materials and air flow to pass through; the feed inlet is communicated with the top of the filter cylinder; the discharge hole is communicated with the bottom of the filter cylinder; the filter screen is obliquely arranged in the filter cartridge along a preset angle, a filter discharge port is communicated with one side of the side wall of the filter cartridge, which is positioned at the lowest height of the filter screen, and the filter screen and the filter discharge port are arranged in one-to-one correspondence.

Optionally, a cover plate is arranged on the upper cover of the filter cylinder, and the feed inlet is communicated with the cover plate.

Optionally, the cover plate is detachably connected to the filter cartridge.

Optionally, the filter screen is detachably connected to the inner wall of the filter cartridge.

Optionally, a clamping groove is convexly formed on the inner wall surface of the filter cylinder, and the periphery of the filter screen is abutted against the clamping groove.

Optionally, the filtering device further comprises an oscillator, and the oscillator can drive the filter screen to vibrate.

Optionally, the feeding port, the discharging port and the filtering discharging port are all provided with connecting flanges.

Optionally, the plurality of filter screens are arranged, and the plurality of filter screens are distributed at intervals along the height direction.

Optionally, a fan is further disposed on the sidewall of the filter cartridge in a communicating manner, and the fan can provide an airflow flowing from top to bottom.

Another object of the present utility model is to provide a particle separating apparatus comprising a cyclone, a pulse dust collector and a filter device according to any one of the above aspects, said filter device being arranged in communication between said cyclone and said pulse dust collector.

The beneficial effects are that:

according to the filtering device, the granular materials are filtered through the at least one filter screen arranged in the filter cylinder, and the filter screen is obliquely arranged at a preset angle, so that large granular materials filtered by the filter screen can move downwards from the inclined filter screen and are finally discharged from the filter discharge port arranged on the side wall of the filter cylinder and corresponding to the lowest part of the filter screen; the fine powder materials which are not blocked by the two-well filter screen are wrapped and clamped by the air flow at the feeding hole and enter the discharging hole for the subsequent production process flow. The filtering device provided by the utility model realizes automatic filtration, sorting and collection of large-particle materials, improves screening, classifying and collecting efficiency, ensures that the materials discharged from the discharge port are qualified fine powder materials, and improves the quality of the fine powder materials and products formed by subsequent production.

Drawings

FIG. 1 is a schematic view of a filtration device provided in an embodiment of the present utility model;

fig. 2 is a schematic view of a particle separation apparatus provided in an embodiment of the present utility model.

In the figure:

10. a cyclone separator; 11. separating and discharging materials; 12. a separation outlet; 20. a pulse dust collector; 21. a dust removal inlet; 22. a dust removal outlet; 23. a purge gas outlet; 31. a first connection pipe; 32. a second connection pipe;

100. a filter cartridge; 101. a connecting flange; 110. a feed inlet; 120. a discharge port; 130. a cover plate; 140. filtering a discharge port; 150. a clamping groove; 200. and (5) a filter screen.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Referring to fig. 1, in the present embodiment, the filtering device includes a filter cartridge, a feed inlet, a discharge outlet, and at least one filter screen, where the filter cartridge has a filter cavity for passing granular materials and air flow; the feed inlet is communicated with the top of the filter cylinder; the discharge hole is communicated with the bottom of the filter cylinder; the filter screen is obliquely arranged in the filter cartridge along a preset angle, a filter discharge port is communicated with one side of the side wall of the filter cartridge, which is positioned at the lowest height of the filter screen, and the filter screen and the filter discharge port are arranged in one-to-one correspondence.

Referring to fig. 1, in the present embodiment, the filtering device includes a filter cartridge 100, a feed inlet 110, a discharge outlet 120, and at least one filter screen 200, where the filter cartridge 100 has a filter cavity for passing granular materials and air flow; the feed inlet 110 is communicated with the top of the filter cartridge 100; the discharge port 120 is disposed at the bottom of the filter cartridge 100 in a communicating manner; the filter screen 200 is disposed in the filter cartridge 100 at an inclination along a predetermined angle, a filter discharge port 140 is connected to a side of the sidewall of the filter cartridge 100, which is located at a lowest height of the filter screen 200, and the filter screen 200 is disposed in one-to-one correspondence with the filter discharge port 140.

In this embodiment, at least one filter screen 200 is disposed in the filter cartridge 100 to filter granular materials, and the filter screen 200 is inclined at a preset angle, so that large granular materials filtered by the filter screen 200 can move downwards from the inclined filter screen 200, and finally be discharged from a filter discharge port 140 disposed on the sidewall of the filter cartridge 100 and corresponding to the lowest position of the filter screen 200; the fine powder material which is not blocked by the two-well filter screen 200 enters the discharge port 120 under the wrapping of the air flow of the feed port 110 for the subsequent production process flow. The filtering device in this embodiment realizes automatic filtration, sorting and collection of large-particle materials, improves screening and classifying collection efficiency, ensures that the materials discharged from the discharge port 120 are qualified fine powder materials, and improves the quality of the fine powder materials and products formed by subsequent production.

Optionally, a cover plate 130 is disposed on the upper cover of the filter cartridge 100, and the inlet 110 is disposed on the cover plate 130 in a communicating manner. Further, the cover 130 is detachably connected to the filter cartridge 100. By disassembling the cover plate 130, the filter screen 200 in the filter cartridge 100 can be maintained in time, and the filter screen 200 blocked by particulate matters can be cleaned in time, so that the reduction of the filtering efficiency is prevented.

As a preferred embodiment, the filter screen 200 is detachably connected to the inner wall of the filter cartridge 100. Specifically, the inner wall surface of the filter cartridge 100 is provided with a protruding engagement groove 150, and the outer periphery of the filter screen 200 is in contact with the engagement groove 150. Of course, the detachable connection between the filter screen 200 and the inner wall of the filter cartridge 100 may be implemented by a detachable connection member, such as a threaded connection, a clamping connection, an adhesive connection, etc., so as to replace the damaged filter screen 200, or to replace the existing filter screen 200 with a desired diameter of the filter hole when the size of the particles obtained by the filtration is required, which is not particularly limited in this embodiment. The mode of protruding the clamping groove 150 on the inner wall of the filter cartridge 100, which is selected in the embodiment, has the minimum modification range on the filter cartridge 100, and can reduce the required modification cost and production cost; and the filter screen 200 is abutted on the clamping groove 150, so that the installation and the disassembly are more convenient, the time required by maintenance and replacement can be reduced, and the maintenance cost is reduced.

With continued reference to fig. 1, in this embodiment, optionally, the inlet 110, the outlet 120, and the filter outlet 140 are all provided with a connection flange 101. The flange 101 is used for connecting the filtering device with external equipment, adopts detachable flange connection, and the installation is more convenient with dismantling to the junction is more firm, has good gas tightness, prevents to appear the phenomenon that air current or dust leaked.

In a preferred embodiment, a plurality of the screens 200 are provided, and the plurality of screens 200 are spaced apart from each other in the height direction. Specifically, in this embodiment, 3 filter screens 200 are uniformly disposed along the height direction, and the diameters of the filter holes of the 3 filter screens 200 may be the same or may be sequentially reduced. Under the multi-channel blocking effect of the plurality of filter screens 200, the large-particle materials can be further prevented from moving downwards to the discharge port 120 along with the air flow, the quality of the fine powder materials is improved, the number of the filter screens 200 and the diameters of the filter holes can be changed according to requirements, and the embodiment is not particularly limited.

Optionally, a fan (not shown) is further disposed on the sidewall of the filter cartridge 100 in a communicating manner, and the fan is capable of providing an air flow flowing from top to bottom. The fan provides an air flow from top to bottom, and can accelerate the material flowing from the feed inlet 110, so as to prevent the material from depositing on the filter screen 200, thereby improving the filtering efficiency.

Preferably, the filtering apparatus further includes an oscillator (not shown) capable of driving the filter screen 200 to vibrate. Specifically, the oscillator is an ultrasonic oscillator, and can drive the granular materials in the air flow to oscillate and collide while driving the filter screen 200 to oscillate, so as to accelerate the falling of the granular materials, and under the vibration action, the fine powder materials vibrate out from gaps of the coarse powder materials, and the coarse powder materials move downwards to the filter discharge port 140 along with the vibration of the filter screen 200, so that the deposition phenomenon of the fine powder materials and the coarse powder materials can not occur, the filter screen 200 is prevented from being blocked, and the filtering efficiency is improved.

With continued reference to fig. 2, the present embodiment further provides a particle separating apparatus, which includes a cyclone 10, a pulse dust collector 20, and a filtering device according to any one of the above schemes, wherein the filtering device is disposed between the cyclone 10 and the pulse dust collector 20 in a communicating manner.

Specifically, after the granular or powdery materials enter the cyclone separator 10, the materials with smaller particles are blown upwards to the separation outlet 12 by airflow after the centrifugal action of the cyclone, the materials with larger particles are discharged from the separation discharge 11 port below and enter the feed port 110 of the filtering device through the first connecting pipe 31 communicated with the separation discharge 11 port, after the materials are filtered and screened by the filtering device, the large-particle materials are blocked by the filter screen 200 and move downwards to the filtering discharge port 140 along the filter screen 200, and the materials can be reused after being collected or directly discharged into the crushing equipment to be crushed into qualified materials with smaller particles; the small particle material which is not blocked by the filter screen 200 is discharged from the discharge port 120 at the lower part, enters the dust removing inlet 21 of the pulse dust collector 20 through the second connecting pipe 32 which is communicated with the discharge port 120, and after sedimentation dust removal of the pulse dust collector 20, pure air flow without particles flows out from the purified air flow outlet at the upper part of the pulse dust collector 20, and powdery material flows out from the dust removing outlet 22 for subsequent production.

The particle separating device in this embodiment, by adding the dust removing device between the cyclone separator 10 and the pulse dust collector 20, can improve the product quality of the fine powder material without changing the integrity of the original device and the original process flow, and the filtered coarse powder material can be directly collected or reworked, thereby reducing the time and cost consumed by manual inspection and reworking, and greatly improving the production efficiency and quality.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. A filter device, comprising:

a filter cartridge (100), the filter cartridge (100) having a filter cavity for passage of particulate material and an air flow;

the feed inlet (110) is communicated with the top of the filter cartridge (100);

the discharge port (120) is communicated with the bottom of the filter cylinder (100);

at least one filter screen (200), filter screen (200) set up along predetermineeing the angle slope in filter cartridge (100), filter cartridge (100) lateral wall is last and be located filter screen (200) high minimum one side intercommunication has filter bin outlet (140), filter screen (200) with filter bin outlet (140) one-to-one sets up.

2. The filtering device according to claim 1, wherein a cover plate (130) is arranged on the upper cover of the filter cartridge (100), and the feed inlet (110) is communicated with the cover plate (130).

3. The filter device according to claim 2, wherein the cover plate (130) is detachably connected to the filter cartridge (100).

4. The filtering device according to claim 1, wherein the filter screen (200) is removably connected to the inner wall of the filter cartridge (100).

5. The filter device according to claim 4, wherein the inner wall surface of the filter cartridge (100) is provided with a groove (150) in a protruding manner, and the outer periphery of the filter screen (200) is abutted against the groove (150).

6. The filtering device according to any one of claims 1-5, further comprising an oscillator capable of driving the filter screen (200) to vibrate.

7. The filtering device according to any one of claims 1-5, wherein the feed inlet (110), the discharge outlet (120) and the filter discharge outlet (140) are each provided with a connecting flange (101).

8. The filtering device according to claim 5, wherein a plurality of the filter screens (200) are provided, and a plurality of the filter screens (200) are spaced apart in a height direction.

9. The filter device according to any one of claims 1 to 5, wherein a fan is provided in communication with the side wall of the cartridge (100), said fan being capable of providing a top-down flow of air.

10. Particle separating apparatus, characterized by comprising a cyclone (10), a pulse dust collector (20) and a filter device according to any of claims 1-9, which filter device is arranged in communication between the cyclone (10) and the pulse dust collector (20).