Glass thinning etching waste acid filtering device
By designing a glass thinning etching waste acid filter device that is easy to disassemble and clean, it uses polytetrafluoroethylene filter mesh material and jet head backflushing, solving the problem of blockage in existing devices and improving filtration speed and precision.
Patent Information
- Application Number
- CN202422587682.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-25
- Publication Date
- 2025-08-29
- Estimated Expiration
- 2034-10-25
AI Technical Summary
The existing glass thinning etching waste acid filtration device cannot be disassembled, cleaned or replaced, which is prone to clogging, affects the filtration speed and is inconvenient to practical use.
A filter device including an outer cylinder, a second filter structure and a first filter structure is designed, and a polytetrafluoroethylene filter mesh material is made of, and an ejection head is provided for backwashing. The filter mesh structure is easy to disassemble and clean, and the filter mesh plate can be disassembled separately.
It realizes convenient disassembly and assembly and cleaning of the filter structure, improves filtration efficiency, ensures the precision and thoroughness of the filtration, and can undergo backwashing.
Smart Images

Figure CN223275987U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of waste acid filtering, in particular to a device for filtering waste acid for glass thinning and etching. Background Art
[0002] Chemical etching primarily uses HF acid to react with glass, peeling the glass layer by layer. However, the resulting fluorosilicates adsorb on the glass surface, causing it to become rough. They also precipitate and adhere to the inner walls of equipment pipes, clogging them. The glass thinning etching solution must be frequently replaced.
[0003] In the specification of a filtering device for waste acid from flat glass thinning and etching in the prior art (Announcement No. CN209696385U), it is mentioned that "a filter screen is fixed horizontally in the filter cavity; an annular support plate is provided below the filter screen; a plurality of slide grooves are provided on the support plate, an elastic slider is inserted into the slide groove, a storage cavity is provided in the elastic slider, and quartz sand is stored in the storage cavity; a center hole is provided on the support plate, and a plurality of elastic sheets are provided above the support plate; a waterproof motor is fixed at the center of the bottom of the filter cavity, a rotating rod is fixed in the bearing of the waterproof motor, the rotating rod is vertically arranged upward, the rotating rod is connected to a motor protection cover, the motor protection cover is inserted into the center hole, a plurality of protrusions are provided on the side of the motor protection cover, the protrusions conflict with the elastic sheets, and the liquid inlet and the elastic sheets are flush", but the filtering device of the prior art cannot be disassembled for cleaning or replacement, is prone to clogging and affects the filtration speed, and is not convenient and practical. Utility Model Content
[0004] In order to overcome the defects of the existing technology, a glass thinning and etching waste acid filtering device is now provided to solve the problems that the filtering device in the existing technology cannot be disassembled, cleaned or replaced, is prone to clogging and affects the filtration speed, and is not convenient and practical.
[0005] In order to achieve the above-mentioned purpose, a glass thinning and etching waste acid filtering device is provided, comprising an outer cylinder, a second filtering structure and a first filtering structure, the second filtering structure is sleeved on the upper part of the outer cylinder, and an upper groove is opened at the upper end of the second filtering structure, the first filtering structure is sleeved in the upper groove, and the first filtering structure and the upper groove are split and connected, an outer support frame is fixed to the lower outer ring surface of the outer cylinder, and a control panel is provided on the upper front side of the outer cylinder, a stroke limiting telescopic cylinder is fixed to the upper end of the outer support frame, and the upper end of the stroke limiting telescopic cylinder is fixed under the upper outer frame of the second filtering structure.
[0006] Furthermore, an output pipe is provided at the center of the bottom of the outer cylinder, and a shock-absorbing damper is fixed to the lower end surface of the outer support frame, and the lower end of the shock-absorbing damper is fixed to the base.
[0007] Furthermore, the lower right portion of the outer cylinder is connected to a first delivery pipe, a water pump is installed at the lower portion of the first delivery pipe, and the left end of the first delivery pipe is connected to the second transverse pipe and the first transverse pipe.
[0008] Furthermore, the left side of the second transverse pipe is connected to the third delivery pipe, and the right side of the first transverse pipe is connected to the second delivery pipe, and multiple groups of spray heads are provided on the third delivery pipe and the second delivery pipe.
[0009] Furthermore, a fixing sleeve is provided on the upper end surface of the second filter structure, a pad is provided in the middle of the inner side wall of the second filter structure, a second filter screen is mounted on the pad, and a third filter screen is provided at the bottom of the second filter structure.
[0010] Furthermore, handles are provided on both left and right sides of the upper end surface of the first filter structure, and a first filter screen is provided on the bottom of the first filter structure.
[0011] The beneficial effects of the present invention are:
[0012] 1. The utility model utilizes the first delivery pipe to extract cleaning water or cleaning liquid, and then delivers it to the third delivery pipe and the second delivery pipe through the second transverse pipe and the first transverse pipe respectively, and then sprays the cleaning water or cleaning liquid into the outer cylinder through the spray heads on the third delivery pipe and the second delivery pipe, so as to facilitate backwashing of the outer cylinder, which is more convenient and saves trouble.
[0013] 2. The second filter structure of the utility model is easy to disassemble and assemble with the outer cylinder, and the gasket and the third filter screen in the second filter structure can be used as the second and third filter structures respectively. At the same time, the gasket can be easily disassembled separately to clean or repair the gasket and the second filter structure, which is more convenient and practical.
[0014] 3. The first filter plate in the first filter structure of the utility model serves as the first step of the filter structure. The first filter plate, the pad and the third filter plate are all made of polytetrafluoroethylene filter material, which is not only highly corrosion-resistant and durable, but also has more precise filtration and cleaner and more thorough filtration. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a front view schematic diagram of an embodiment of the utility model;
[0016] Figure 2 A schematic cross-sectional view of an embodiment of the present utility model;
[0017] Figure 3 This is a schematic diagram of the first filtering structure of an embodiment of the present utility model;
[0018] Figure 4 This is a schematic diagram of the second filtering structure of an embodiment of the present utility model.
[0019] In the figure: 1. outer cylinder; 10. outer support frame; 11. shock-absorbing damper; 12. base; 13. output pipe; 14. travel limit telescopic cylinder; 15. control panel; 2. first delivery pipe; 20. water pump; 21. first transverse pipe; 22. second delivery pipe; 23. injection head; 24. second transverse pipe; 25. third delivery pipe; 3. second filtering structure; 30. fixing sleeve; 31. upper groove; 32. pad; 33. second filter screen; 34. third filter screen; 4. first filtering structure; 40. first filter screen; 41. handle. DETAILED DESCRIPTION
[0020] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention. Specific details such as specific system structures and technologies are proposed in order to more thoroughly understand the embodiments of the present invention. The described embodiments are part of the embodiments of the present disclosure, not all of the embodiments. However, it should be clear to those skilled in the art that the present invention can also be implemented in other embodiments without these specific details. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present disclosure.
[0021] The specific implementation of the present utility model will be described in detail below with reference to the accompanying drawings.
[0022] Figure 1 This is a front view schematic diagram of an embodiment of the utility model, Figure 2 A cross-sectional diagram of an embodiment of the present invention is shown in FIG. Figure 3 The first filter structure diagram of the embodiment of the utility model and Figure 4 This is a schematic diagram of the second filtering structure of an embodiment of the present utility model.
[0023] Reference Figures 1 to 4 As shown, the utility model provides a glass thinning and etching waste acid filtering device, including an outer cylinder 1, a second filtering structure 3 and a first filtering structure 4. The second filtering structure 3 is sleeved on the upper part of the outer cylinder 1, and the upper end of the second filtering structure 3 is provided with an upper groove 31, the first filtering structure 4 is sleeved in the upper groove 31, and the first filtering structure 4 is split and connected to the upper groove 31. An outer support frame 10 is fixed to the lower outer ring surface of the outer cylinder 1, and a control panel 15 is provided on the upper front side of the outer cylinder 1. A stroke limiting telescopic cylinder 14 is fixed to the upper end of the outer support frame 10, and the upper end of the stroke limiting telescopic cylinder 14 is fixed under the upper outer frame of the second filtering structure 3.
[0024] In this embodiment, an output pipe 13 is provided at the bottom center of the outer cylinder 1, and a shock-absorbing damper 11 is fixed to the lower end surface of the outer support frame 10, and the lower end of the shock-absorbing damper 11 is fixed to the base 12; the first delivery pipe 2 is connected to the lower right part of the outer cylinder 1, and a water pump 20 is installed at the lower part of the first delivery pipe 2, and the left end of the first delivery pipe 2 is connected to the second transverse pipe 24 and the first transverse pipe 21; the left side of the second transverse pipe 24 is connected to the third delivery pipe 25, and the right side of the first transverse pipe 21 is connected to the second delivery pipe 22, and multiple groups of spray heads 23 are provided on the third delivery pipe 25 and the second delivery pipe 22.
[0025] As a preferred embodiment, the utility model uses the first delivery pipe 2 to extract cleaning water or cleaning liquid, and then delivers it to the third delivery pipe 25 and the second delivery pipe 22 through the second transverse pipe 24 and the first transverse pipe 21 respectively, and then sprays the cleaning water or cleaning liquid into the outer cylinder 1 through the injection head 23 on the third delivery pipe 25 and the second delivery pipe 22, so as to facilitate backwashing of the outer cylinder 1, which is more convenient and saves trouble.
[0026] In this embodiment, a fixing sleeve 30 is provided on the upper end surface of the second filter structure 3, and a pad 32 is provided in the middle of the inner wall of the second filter structure 3, a second filter screen 33 is mounted on the pad 32, and a third filter screen 34 is provided at the bottom of the second filter structure 3.
[0027] As a preferred embodiment, the second filter structure 3 of the utility model is easy to disassemble and assemble with the outer cylinder 1, and the gasket 32 and the third filter screen 34 in the second filter structure 3 can be used as the second and third step filter structures respectively. At the same time, the gasket 32 can be easily disassembled separately to facilitate cleaning or maintenance of the gasket 32 and the second filter structure 3, which is more convenient and practical.
[0028] In this embodiment, handles 41 are provided on both the left and right sides of the upper end surface of the first filtering structure 4 , and a first filter screen plate 40 is provided at the bottom of the first filtering structure 4 .
[0029] As a preferred embodiment, the first filter screen plate 40 in the first filter structure 4 of the utility model serves as the first step filter structure. The first filter screen plate 40, the pad 32 and the third filter screen plate 34 are all made of polytetrafluoroethylene filter screen material, which is not only highly corrosion-resistant and durable, but also has more precise filtration and cleaner and more thorough filtration.
[0030] The utility model can effectively solve the problems of the prior art filter device that cannot be disassembled, cleaned or replaced, is prone to clogging and affects the filtering speed, and is inconvenient and practical. The utility model facilitates multiple filtrations in sequence, the filtration is more detailed and clean, and the filter structure is easy to disassemble and assemble for cleaning or replacement, and backwashing can be performed after filtration, which is more convenient and practical.
[0031] The above embodiments are used to illustrate the present invention rather than to limit the present invention. Any modifications and changes made to the present invention within the spirit of the present invention and the scope of the claims for protection shall be included in the scope of protection of the present invention.
Claims
1. A device for filtering waste acid for glass thinning and etching, characterized by: The invention comprises an outer cylinder (1), a second filter structure (3) and a first filter structure (4); the second filter structure (3) is sleeved on the upper part of the outer cylinder (1), and an upper groove (31) is provided at the upper end of the second filter structure (3); the first filter structure (4) is sleeved in the upper groove (31), and the first filter structure (4) and the upper groove (31) are detachably connected; an outer support frame (10) is fixed to the lower outer ring surface of the outer cylinder (1), and a control panel (15) is provided on the upper front side of the outer cylinder (1); a stroke-limiting telescopic cylinder (14) is fixed to the upper end of the outer support frame (10), and the upper end of the stroke-limiting telescopic cylinder (14) is fixed under the upper outer frame of the second filter structure (3).
2. A glass thinning and etching waste acid filtering device according to claim 1, characterized in that: An output pipe (13) is provided at the center of the bottom of the outer cylinder (1), and a shock-absorbing damper (11) is fixed to the lower end surface of the outer support frame (10), and the lower end of the shock-absorbing damper (11) is fixed to the base (12).
3. A glass thinning and etching waste acid filtering device according to claim 1, characterized in that: The lower right portion of the outer cylinder (1) is connected to a first delivery pipe (2), a water pump (20) is installed at the lower portion of the first delivery pipe (2), and the left end of the first delivery pipe (2) is connected to a second transverse pipe (24) and the first transverse pipe (21).
4. A glass thinning and etching waste acid filtering device according to claim 3, characterized in that: The left side of the second transverse pipe (24) is connected to a third delivery pipe (25), and the right side of the first transverse pipe (21) is connected to a second delivery pipe (22), and multiple groups of injection heads (23) are provided on the third delivery pipe (25) and the second delivery pipe (22).
5. The device for filtering waste acid for glass thinning and etching according to claim 1, characterized in that: The upper end surface of the second filter structure (3) is provided with a fixing sleeve (30), and the middle part of the inner side wall of the second filter structure (3) is provided with a cushion block (32), a second filter screen plate (33) is mounted on the cushion block (32), and a third filter screen plate (34) is provided at the bottom of the second filter structure (3).
6. The device for filtering waste acid for glass thinning and etching according to claim 1, characterized in that: Handles (41) are provided on both left and right sides of the upper end surface of the first filter structure (4), and a first filter screen plate (40) is provided at the bottom of the first filter structure (4).
Citation Information
Patent Citations
Filtering device for plate glass thinning etching waste acid
CN209696385U