Paper bag filtering device
By designing a paper bag filtering device that includes a filter mesh and a linear module to drive scraper, paper filter mesh and magnet, the problem of large and small metal impurities cutting paper bags is solved, and effective filtration and collection of large and small metal residues is achieved, ensuring the quality of wastewater discharge.
Patent Information
- Application Number
- CN202421494360.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-06-27
AI Technical Summary
When the existing paper bag filtering device deals with large particulate metal impurities, it is easy to cut the paper bag due to impurities, resulting in poor filtration effect.
A filter box including an upper box and a pyramid-shaped lower box is designed. A filter mesh and a linear module drive a scraper for the first filtration and collection of large-particle metal residues, and a magnet is driven through a paper filter mesh and a linear module to perform secondary filtration and adsorption of small-particle metal residues.
Effective filtration and collection of large and small particulate metal residues is achieved, the filtration effect is improved, and further filtration of sewage is ensured, so that it meets the emission requirements.
Smart Images

Figure CN222781502U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a filtering device, in particular to a paper bag filtering device. Background Art
[0002] During the cutting process, the metal needs to be cooled by water, and the cooled water needs to be recycled for a second time. At the same time, since the water directly reacts with the metal during the cooling process, large and small metal impurities will be mixed in. In the process of recycling the cooling water, the metal needs to be recycled. The prior art generally uses paper bags for filtration and recycling. However, since large particles of impurities are formed by cutting, they are generally in a coiled shape. After the impurities in the coiled shape enter the paper bag, they often cut the paper bag, resulting in poor filtering effect. Therefore, the utility model aims to solve the problem of large particles of metal impurities cutting paper filter membranes in the prior art. Utility Model Content
[0003] In order to solve the above technical problems, the purpose of the utility model is to provide a paper bag filtering device.
[0004] The technical solution of the utility model is as follows:
[0005] A paper bag filtering device, characterized in that it comprises a filtering box (4), wherein the filtering box (4) comprises a square upper box and a pyramidal lower box connected to each other;
[0006] A first linear module (402) is arranged at the top of the upper box body, a tool (406) is connected to the driving end of the first linear module (402), a filter screen (407) is also arranged in the upper box body, and a material collection port (408) is also arranged at one end of the filter screen (407), and the first linear module (402) is configured to drive the tool (406) to scrape the surface of the filter screen (407) and scrape the residue on the surface of the filter screen (407) into the material collection port (408);
[0007] A second linear module (410) is also provided in the upper box at the bottom of the filter screen (407); a driving end of the second linear module (410) is connected to a magnet (411); a filter paper (413) is provided in the upper box at the bottom of the second linear module (410); the second linear module (410) is configured to drive the magnet (411) to move on the top of the filter paper (413) and absorb surface residues;
[0008] A discharge door (409) is also provided on the side of the upper box body, and the discharge door (409) is directly opposite to the collection port (408) and the filter paper (413).
[0009] Furthermore, a group of telescopic rods (403) are connected to the driving end of the first linear module (402), a tool mounting plate (405) is connected to the bottom of the telescopic rods (403), a tool (406) is connected to the bottom of the tool mounting plate (405), and the telescopic rods (403) are provided with springs (404), and the springs (404) are in a compressed state during the movement of the tool mounting plate (405).
[0010] Furthermore, the filter screen (407) is arranged at an angle, wherein the height of one end of the filter screen (407) connected to the aggregate opening (408) is lower than the height of the other end.
[0011] Furthermore, the filter screen (407) is a metal filter screen.
[0012] Furthermore, the upper box body is provided with a coarse sand layer (414), a fine sand layer (415), a PP filter layer (416), and an activated carbon layer (417) which are connected in sequence at the lower part of the filter paper (413).
[0013] Furthermore, an inspection door (418) is provided on the side of the lower box body, a liquid inlet (401) is provided on the top of the upper box body, and a liquid drain port (419) is provided on the bottom of the lower box body.
[0014] Furthermore, a plurality of support columns (1) are connected to the side of the lower box body, wherein the support column (1) is connected to one end of a reinforcing rib (101), and the other end of the reinforcing rib (101) is connected to a welding plate (102).
[0015] Furthermore, the outside of the filter box (4) is also connected to a maintenance staircase (2), and the top of the filter box (4) is also provided with a top guardrail (3).
[0016] By means of the above solution, the utility model has at least the following advantages:
[0017] The device can filter the large metal particles through the filter screen for the first time, and then use the linear module to drive the scraper to collect the large metal particles into the aggregate port, so that it is convenient for external collection;
[0018] Small metal particles can be filtered twice through the paper filter, and then the linear module is used to drive the magnet to adsorb it. A handle is set on the magnet, which can be used to easily remove the magnet from the discharge door to facilitate the collection of small metal particles.
[0019] The sewage can be further filtered through the four-layer stacked filter layer to meet the discharge requirements.
[0020] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings required for use in the embodiment will be briefly introduced below. It should be understood that the following drawings only show a certain embodiment of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0022] Figure 1 It is a structural schematic diagram of the utility model;
[0023] Figure 2 It is a schematic diagram of the cross-sectional structure of the filter box of the utility model;
[0024] In the figure:
[0025] 1-support column; 101-reinforcement rib; 102-welding plate;
[0026] 2- Inspection stairs;
[0027] 3- Top guardrail;
[0028] 4-filter box; 401-liquid inlet; 402-first linear module; 403-telescopic rod; 404-spring; 405-tool mounting plate; 406-tool; 407-filter screen; 408-collection port; 409-discharge door; 410-second linear module; 411-magnet; 412-handle; 413-filter paper; 414-coarse sand layer; 415-fine sand layer; 416-PP filter layer; 417-activated carbon layer; 418-inspection door; 419-drainage port. DETAILED DESCRIPTION
[0029] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0030] See also Figure 1 and Figure 2 A paper bag filter device according to a preferred embodiment of the utility model comprises a filter box 4, wherein the filter box 4 comprises a square upper box and a pyramidal lower box connected to each other;
[0031] The outside of the filter box 4 is also connected to an inspection staircase 2, and a top guardrail 3 is also provided on the top of the filter box 4. Through the inspection staircase 2, one can climb to the top of the filter box 4 for maintenance, and the top guardrail 3 can also play a protective role.
[0032] An inspection door 418 is provided on the side of the lower box body, a liquid inlet 401 is provided on the top of the upper box body, and a liquid drain port 419 is provided at the bottom of the lower box body. The liquid inlet 401 can be connected to an external drain pipe for inputting sewage containing metal particles that need to be filtered, and the liquid drain port 419 at the bottom is used to discharge the filtered water.
[0033] A plurality of support columns 1 are also connected to the side of the lower box body, and the support column 1 is connected to one end of the reinforcing rib 101, and the other end of the reinforcing rib 101 is connected to the welding plate 102. Through the plurality of support columns 1, the entire device can be easily installed, and the reinforcing rib 101 serves to connect the support columns 1 to each other and enhance the overall strength.
[0034] A first linear module 402 is provided on the top of the upper box body, a tool 406 is connected to the driving end of the first linear module 402, a metal filter 407 is also provided in the upper box body, and a collection port 408 is also provided at one end of the filter 407. The first linear module 402 is configured to drive the tool 406 to scrape the surface of the filter 407 and scrape the residue on the surface of the filter 407 into the collection port 408. The drive of the first linear module 402 can drive the tool 406 to move on the surface of the filter 407, so that the tool 406 can scrape the large metal particle impurities on the surface of the filter 407 and enter the collection port 408, thereby playing the function of collecting.
[0035] A set of telescopic rods 403 are connected to the driving end of the first linear module 402, a tool mounting plate 405 is connected to the bottom of the telescopic rods 403, a tool 406 is connected to the bottom of the tool mounting plate 405, and a spring 404 is provided on the telescopic rods 403. The spring 404 is in a compressed state during the movement of the tool mounting plate 405. The filter screen 407 is tilted, wherein the height of one end of the filter screen 407 connected to the material collection port 408 is lower than the height of the other end. The tilted setting of the filter screen 407 allows large metal particles to slide directly into the lower end. At the same time, since the spring is always in a compressed state, the tool 406 can be pressed downward all the time, so that the bottom of the tool 406 can be kept close to the filter screen 407 during the movement.
[0036] A second linear module 410 is also provided in the upper box at the bottom of the filter screen 407, and a magnet 411 is connected to the driving end of the second linear module 410. A filter paper 413 is provided in the lower part of the second linear module 410 in the upper box, and the second linear module 410 is configured to drive the magnet 411 to move on the upper part of the filter paper 413 and absorb the surface residue; a discharge door 409 is also provided on the side of the upper box, and the discharge door 409 is directly opposite to the collection port 408 and the filter paper 413. The filter paper 413 can directly leave smaller metal particles on the surface, and then use the second linear module 410 to drive the magnet 411 to move, which can directly absorb the small metal particles, and then move to the side of the discharge door 409, and remove the magnet 411 through the handle 412 on the magnet 411.
[0037] A coarse sand layer 414, a fine sand layer 415, a PP filter layer 416, and an activated carbon layer 417 are sequentially arranged below the filter paper 413 in the upper box. Through these four layers of filter nets stacked in sequence, the sewage can be further filtered.
[0038] The utility model has at least the following advantages:
[0039] The device can filter the large metal particles through the filter screen for the first time, and then use the linear module to drive the scraper to collect the large metal particles into the aggregate port, so that it is convenient for external collection;
[0040] Small metal particles can be filtered twice through the paper filter, and then the linear module is used to drive the magnet to adsorb it. A handle is set on the magnet, which can be used to easily remove the magnet from the discharge door to facilitate the collection of small metal particles.
[0041] The sewage can be further filtered through the four-layer stacked filter layer to meet the discharge requirements.
[0042] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as within the protection scope of the present invention.
Claims
1. A paper bag filter device, characterized in that: It comprises a filter box (4), wherein the filter box (4) comprises a square upper box and a pyramidal lower box connected to each other; A first linear module (402) is arranged at the top of the upper box body, a tool (406) is connected to the driving end of the first linear module (402), a filter screen (407) is also arranged in the upper box body, and a material collection port (408) is also arranged at one end of the filter screen (407), and the first linear module (402) is configured to drive the tool (406) to scrape the surface of the filter screen (407) and scrape the residue on the surface of the filter screen (407) into the material collection port (408); A second linear module (410) is also provided in the upper box at the bottom of the filter screen (407); a driving end of the second linear module (410) is connected to a magnet (411); a filter paper (413) is provided in the upper box at the bottom of the second linear module (410); the second linear module (410) is configured to drive the magnet (411) to move on the top of the filter paper (413) and absorb surface residues; A discharge door (409) is also provided on the side of the upper box body, and the discharge door (409) is directly opposite to the collection port (408) and the filter paper (413).
2. A paper bag filter device according to claim 1, characterized in that: A group of telescopic rods (403) are connected to the driving end of the first linear module (402), a tool mounting plate (405) is connected to the bottom of the telescopic rods (403), a tool (406) is connected to the bottom of the tool mounting plate (405), and a spring (404) is provided on the telescopic rods (403). The spring (404) is in a compressed state during the movement of the tool mounting plate (405).
3. A paper bag filter device according to claim 2, characterized in that: The filter screen (407) is arranged obliquely, wherein the height of one end of the filter screen (407) connected to the material collection port (408) is lower than the height of the other end.
4. A paper bag filter device according to claim 2, characterized in that: The filter screen (407) is a metal filter screen.
5. A paper bag filter device according to claim 1, characterized in that: The upper box body is also provided with a coarse sand layer (414), a fine sand layer (415), a PP filter layer (416), and an activated carbon layer (417) which are connected in sequence at the lower part of the filter paper (413).
6. A paper bag filter device according to claim 1, characterized in that: The side of the lower box body is provided with an inspection door (418), the top of the upper box body is provided with a liquid inlet (401), and the bottom of the lower box body is provided with a liquid discharge port (419).
7. A paper bag filter device according to claim 1, characterized in that: The side surface of the lower box body is also connected to a plurality of support columns (1), wherein the support column (1) is connected to one end of a reinforcing rib (101), and the other end of the reinforcing rib (101) is connected to a welding plate (102).
8. A paper bag filter device according to claim 1, characterized in that: The outside of the filter box (4) is also connected to a maintenance staircase (2), and the top of the filter box (4) is also provided with a top guardrail (3).