A bag-in-bag-out filtration system
By installing the inner plate on the inside of the safety door of the bag-in-bag-out filter system, and using the cooperation of stainless steel springs and limiting rods, the shaking problem of the safety door during installation is solved, improving the stability and safety of the system.
Patent Information
- Application Number
- CN202420717153.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-09
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-04-09
AI Technical Summary
In the bag-in-bag-out filter system, the safety door is prone to shake when installed with the filter, resulting in unstable system during operation.
By installing the inner plate on the inside of the safety door and using the cooperation of stainless steel springs and limiting rods, the safety door can be closely attached to the inner wall of the filter during installation to avoid shaking.
It effectively solves the problem of shaking of the safety door during work and improves the stability and safety of the system.
Smart Images
Figure CN222709210U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field related to bag-in-bag-out filtering systems, and in particular relates to a bag-in-bag-out filtering system. Background Art
[0002] A bag-in-bag-out filtration system is a device used to filter liquids or gases. It usually consists of a bag filter and a collecting bag. The liquid or gas enters the system through the bag filter. After filtration, the clean liquid or gas is collected in the collecting bag, while the pollutants remain in the filter. This system is often used in industrial production to filter impurities in liquids or gases to ensure product quality and safety. Bag-in-bag-out filtration systems usually have the characteristics of high-efficiency filtration, easy replacement and maintenance, and are suitable for a variety of different industrial applications.
[0003] When the safety door is installed with the filter, when the filtering system is working, the safety door will shake, so the market needs a new device to solve the current problems. Utility Model Content
[0004] The purpose of the utility model is to provide a bag-in-bag-out filtering system to solve the problem that when the safety door proposed in the above background technology is installed with the filter and the filtering system is working, the safety door will shake, so the market needs a new device to solve the current problem.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bag-in-bag-out filtration system, comprising an air inlet compression box, a bag-in-bag-out pre-filter for primary filtration is installed at the lower end of the air inlet compression box, a bag-in-bag-out high-efficiency filter is installed at the lower end of the bag-in-bag-out pre-filter, an air outlet compression box is installed at the lower end of the bag-in-bag-out high-efficiency filter, the air outlet compression box is supported by a bottom support frame installed at the lower end, a downstream aerosol concentration sampling port is installed at the upper end of the air outlet compression box, and the front end of the bag-in-bag-out high-efficiency filter is installed at the lower end of the bag-in-bag-out high-efficiency filter. A safety door is installed at the position, and the safety door is installed and disassembled through fixed handles at the left and right sides of the front end. The safety door is locked with the bag-in and bag-out high-efficiency filter through the safety replacement door locking device at the front end. A slide groove is provided at the inner side of the safety door, and a limit rod is fixed at the inner side of the slide groove. A stainless steel spring is wound at the outer wall of the limit rod. The safety door is installed with an inner side plate at the inner side through the slide groove, and the inner side plate is installed with the slide groove through a socket plate fixed at the lower end position, and a high-efficiency differential pressure gauge is installed at the rear end of the air inlet compression box.
[0006] Preferably, the air inlet compression box is installed at the upper end of the bag-in-bag-out pre-filter.
[0007] Preferably, the bag-in-bag-out pre-filter is provided with a safety door of a different size from that of the bag-in-bag-out high-efficiency filter at the front end position through a safety replacement door locking device.
[0008] Preferably, the filter inside the bag-in-bag-out pre-filter can be replaced after the safety door is disassembled.
[0009] Preferably, the bag-in-bag-out high efficiency filter is installed with an air outlet compression box.
[0010] Preferably, the safety replacement door locking device allows the safety door and the bag-in-bag-out high-efficiency filter to be disassembled after disassembly.
[0011] Preferably, the safety door will squeeze the inner plate when it is installed with the bag-in-bag-out high-efficiency filter, and the inner plate is attached to the inner wall of the bag-in-bag-out high-efficiency filter.
[0012] Preferably, the inner plate moves at the inner position of the slide groove after being squeezed, and the movement of the inner plate squeezes the stainless steel spring through the sleeve plate, and the sleeve plate sleeves the limit rod at the inner position.
[0013] Compared with the prior art, the utility model provides a bag-in-bag-out filtration system having the following features:
[0014] Beneficial effects:
[0015] The device is provided with inner plates at both sides of the interior of the safety door. When the safety door is installed, the inner plates are fitted on the inner wall of the filter through the triangular structure on the top. The advancement of the safety door causes compression on the inner plates. When the inner plates are squeezed, the sleeve plates move along the limit rods. The movement of the sleeve plates squeezes the stainless steel springs. When the safety door is installed, the stainless steel springs use the extrusion force to make the inner plates fit on the inner wall of the filter. In this way, the safety door will not shake when the filtering system is working. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the structure of a bag-in-bag-out filtration system of the utility model.
[0017] Figure 2 It is a schematic diagram of the side structure of a bag-in-bag-out filtering system of the utility model.
[0018] Figure 3 It is a schematic diagram of the back structure of a safety door of a bag-in-bag-out filtering system of the utility model.
[0019] Figure 4It is a partially enlarged structural schematic diagram of a bag-in-bag-out filtering system of the utility model.
[0020] Figure 5 It is a schematic diagram of the side structure of the inner side plate of a bag-in-bag-out filtering system of the utility model.
[0021] In the figure: 1. Air inlet compression box; 2. Bag-in-bag-out pre-filter; 3. Safety replacement door locking device; 4. Downstream aerosol concentration sampling port; 5. Air outlet compression box; 6. Bag-in-bag-out high-efficiency filter; 7. Safety door; 8. High-efficiency differential pressure gauge; 9. Fixed handle; 10. Inner plate; 11. Slide; 12. Limit rod; 13. Stainless steel spring; 14. Socket plate; 15. Bottom support frame. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0023] The utility model provides Figure 1-5 The bag-in-bag-out filtering system shown in the figure comprises an air inlet compression box 1, a bag-in-bag-out pre-filter 2 for primary filtration is installed at the lower end of the air inlet compression box 1, a bag-in-bag-out high-efficiency filter 6 is installed at the lower end of the bag-in-bag-out pre-filter 2, an air outlet compression box 5 is installed at the lower end of the bag-in-bag-out high-efficiency filter 6, the air outlet compression box 5 is supported by a bottom support frame 15 installed at the lower end, a downstream aerosol concentration sampling port 4 is installed at the upper end of the air outlet compression box 5, and a safety door 7 is installed at the front end of the bag-in-bag-out high-efficiency filter 6. The safety door 7 is opened through the front The safety door 7 is installed and disassembled by the fixed handles 9 on the left and right sides of the end. The safety door 7 is locked with the bag-in and bag-out high-efficiency filter 6 through the safety replacement door locking device 3 at the front end. A slide groove 11 is provided at the inner side of the safety door 7. A limit rod 12 is fixed at the inner side of the slide groove 11. A stainless steel spring 13 is wound around the outer wall of the limit rod 12. The safety door 7 is installed with an inner plate 10 at the inner side through the slide groove 11. The inner plate 10 is installed with the slide groove 11 through the socket plate 14 at the fixed lower end position, and a high-efficiency pressure differential gauge 8 is installed at the rear end of the air inlet compression box 1.
[0024] Disassemble the safety replacement door locking device 3, then hold the fixed handle 9 to disassemble the safety door 7, take out the filter in the bag-in-bag-out high-efficiency filter 6, replace it with a new filter, put on the bag and reinstall the safety door 7, and start working after locking it with the safety replacement door locking device 3.
[0025] like Figure 1 and Figure 2 As shown, the air inlet compression box 1 is installed at the upper end position of the bag-in-bag-out pre-filter 2, and the bag-in-bag-out pre-filter 2 is installed with a safety door 7 of different size from the bag-in-bag-out high-efficiency filter 6 at the front end position through the safety replacement door locking device 3. The bag-in-bag-out pre-filter 2 can replace the internal filter after the safety door 7 is removed, and the bag-in-bag-out high-efficiency filter 6 is installed with the air outlet compression box 5. The safety replacement door locking device 3 allows the safety door 7 and the bag-in-bag-out high-efficiency filter 6 to be removed after disassembly. The safety door 7 will squeeze the inner plate 10 when it is installed with the bag-in-bag-out high-efficiency filter 6. The inner plate 10 is attached to the inner wall position of the bag-in-bag-out high-efficiency filter 6. After being squeezed, the inner plate 10 moves at the inner position of the slide groove 11. The movement of the inner plate 10 squeezes the stainless steel spring 13 through the socket plate 14, and the socket plate 14 sockets the limit rod 12 at the inner position.
[0026] When the safety door 7 is being installed, the inner plate 10 is fitted onto the inner wall of the filter through the triangular structure at the top. The advancement of the safety door 7 causes compression on the inner plate 10. While the inner plate 10 is being squeezed, the socket plate 14 moves along the limit rod 12. The movement of the socket plate 14 squeezes the stainless steel spring 13. When the safety door 7 is installed, the stainless steel spring 13 uses the extrusion force to make the inner plate 10 fit onto the inner wall of the filter, so that the safety door 7 will not shake when the filtration system is working.
[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A bag-in-bag-out filtration system, characterized in that: The invention comprises an air inlet compression box (1), wherein a bag-in-bag-out pre-filter (2) for primary filtration is installed at the lower end of the air inlet compression box (1), a bag-in-bag-out high-efficiency filter (6) is installed at the lower end of the bag-in-bag-out pre-filter (2), an air outlet compression box (5) is installed at the lower end of the bag-in-bag-out high-efficiency filter (6), the air outlet compression box (5) is supported by a bottom support frame (15) installed at the lower end, a downstream aerosol concentration sampling port (4) is installed at the upper end of the air outlet compression box (5), and a safety door (7) is installed at the front end of the bag-in-bag-out high-efficiency filter (6), and the safety door (7) is fixed at the left and right sides of the front end. The safety door (7) is installed and removed by a handle (9); the safety door (7) is locked with the bag-in-bag-out high-efficiency filter (6) through a safety replacement door locking device (3) at the front end; a slide groove (11) is provided at the inner side of the safety door (7); a limit rod (12) is fixed at the inner side of the slide groove (11); a stainless steel spring (13) is wound around the outer wall of the limit rod (12); an inner plate (10) is installed at the inner side of the safety door (7) through the slide groove (11); the inner plate (10) is installed with the slide groove (11) by a sleeve plate (14) at a fixed lower end; and a high-efficiency differential pressure gauge (8) is installed at the rear end of the air inlet compression box (1).
2. A bag-in-bag-out filtration system according to claim 1, characterized in that: The air inlet compression box (1) is installed at the upper end of the bag-in-bag-out pre-filter (2).
3. A bag-in-bag-out filtration system according to claim 2, characterized in that: The bag-in-bag-out pre-filter (2) is provided with a safety door (7) having a different size from that of the bag-in-bag-out high-efficiency filter (6) at the front end position through a safety replacement door locking device (3).
4. A bag-in-bag-out filtration system according to claim 3, characterized in that: The filter inside the bag-in-bag-out pre-filter (2) can be replaced after the safety door (7) is disassembled.
5. The bag-in-bag-out filtration system according to claim 1, characterized in that: The bag-in-bag-out high efficiency filter (6) is installed with the air outlet compression box (5).
6. The bag-in-bag-out filtration system according to claim 1, characterized in that: The safety replacement door locking device (3) enables the safety door (7) and the bag-in-bag-out high-efficiency filter (6) to be disassembled after disassembly.
7. The bag-in-bag-out filtration system according to claim 1, characterized in that: When the safety door (7) is installed with the bag-in-bag-out high-efficiency filter (6), it will squeeze the inner plate (10), and the inner plate (10) is attached to the inner wall of the bag-in-bag-out high-efficiency filter (6).
8. The bag-in-bag-out filtration system according to claim 7, characterized in that: The inner plate (10) moves at an inner position of the slide groove (11) after being squeezed, and the movement of the inner plate (10) squeezes the stainless steel spring (13) through the sleeve plate (14), and the sleeve plate (14) sleeves the limit rod (12) at the inner position.