Two-stage integrated filter

Abstract

The utility model discloses a two -stage integrated filter, including equipment frame still include: processing jar: rotatory connection is in equipment frame, both ends of processing jar are installed cover body no.

Description

Technical Field

[0001] This utility model relates to the field of liquid filtration technology, and in particular to a two-stage integrated filter. Background Technology

[0002] In liquid filtration processes in chemical, pharmaceutical, and food processing industries, traditional filtration equipment typically employs only single-stage filtration (such as using only filter bags or filter cartridges), failing to simultaneously achieve both coarse and fine filtration. For instance, if only coarse filtration components (such as filter bags) are used, tiny particles in the liquid (such as colloids and bacteria) cannot be effectively intercepted, resulting in insufficient filtration precision and impacting the quality of subsequent processes (such as the purity of chemical reactions and the clarity of food). Conversely, if only fine filtration components (such as microporous filter cartridges) are used, large particulate impurities in the liquid (such as silt and suspended solids) will quickly clog the filter cartridge surface, causing a sharp increase in filtration resistance, a significant decrease in flow rate, and requiring frequent shutdowns to replace the filter cartridge.

[0003] To improve filtration accuracy, multiple devices are connected in series in some scenarios (such as a coarse filter + a fine filter), but the following problems exist: First, the liquid needs to pass through multiple devices in sequence, which makes the pipeline connection complex, increases the risk of leakage and maintenance costs; second, multiple devices occupy a lot of production space, which is not conducive to a compact production line layout; finally, multi-stage pumping of liquid leads to increased energy consumption and higher long-term operating costs.

[0004] To address the aforementioned shortcomings, a two-stage integrated filter is provided. Utility Model Content

[0005] The purpose of this utility model is to provide a two-stage integrated filter to solve the above-mentioned problems.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a two-stage integrated filter, including a frame, and further comprising:

[0007] Processing tank: Rotatably connected to the equipment frame, with a cover body one and a cover body two installed at both ends of the processing tank respectively. A liquid inlet pipe is installed on the cover body one, and a liquid outlet pipe is installed on the cover body two.

[0008] Primary filtration unit: Located in the treatment tank, it performs coarse filtration on the liquid entering the treatment tank through the inlet pipe;

[0009] Secondary filtration unit: Located in the treatment tank, it performs fine filtration on the liquid after coarse filtration, and the filtered liquid is discharged through the drain pipe.

[0010] Preferably, the primary filtration mechanism includes a frame cylinder fixed inside the treatment tank, a filter bag is embedded on the inner side of the frame cylinder, and a through hole is formed at the bottom of the frame cylinder.

[0011] Preferably, the secondary filtration mechanism includes a disc-shaped frame fixed to the inner wall of the cover, and multiple filter elements are installed on the disc-shaped frame.

[0012] Preferably, the outer side of the treatment tank is provided with a locking structure for fixing the first cover and the second cover. The locking structure includes a side frame one fixed to the side end of the treatment tank. The side ends of the first cover and the second cover are each fixed with a side frame two corresponding to the first side frame. The inner side of the first side frame is rotatably connected with a bolt, and the outer side of the second side frame is provided with a tightening assembly for fixing with the bolt.

[0013] Preferably, the tightening assembly includes a nut screwed onto the outside of the bolt, and a notch is formed in the second side bracket. After the bolt is rotated and embedded into the inside of the second side bracket, the first cover and the second cover are locked by pressing the nut into the notch.

[0014] Preferably, the outer side of the equipment frame is provided with a flipping structure, through which the positions of cover one and cover two are adjusted.

[0015] Preferably, the flipping structure includes a housing fixed to the side of the equipment frame by a bracket, and a speed-stabilizing transmission component is provided in the housing.

[0016] Preferably, the speed-stabilizing transmission assembly includes a worm gear and a worm shaft rotatably connected in the housing. The worm gear is fixed to the processing tank via a rotating shaft, and a handwheel coaxially fixed to the worm shaft is rotatably connected to the outside of the housing.

[0017] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:

[0018] 1. In this application, by integrating the primary and secondary filtration mechanisms into a single treatment tank, the liquid sequentially passes through coarse and fine filtration. Large particles are intercepted by the filter bags, while fine particles are removed by the filter cartridges. This multi-stage filtration reduces the load on individual filter media, prevents rapid clogging of the filter cartridges, and extends their service life. Furthermore, by integrating the two-stage filtration mechanisms into a single treatment tank, replacing traditional multi-stage series equipment, the number of devices, floor space, and piping connection points are significantly reduced, lowering maintenance complexity and costs.

[0019] 2. In this application, the treatment tank is rotated by a worm gear and worm shaft with a steady speed transmission. The operator can manually adjust the position of the tank and directly access the filter bags and filter elements without disassembling the pipeline or moving the equipment, which greatly shortens the maintenance time. The combination of the rotation and locking structure not only ensures the stability of the filtration process, but also simplifies the filter media replacement process and improves the operating efficiency of the equipment. Attached Figure Description

[0020] Figure 1 A three-dimensional structural schematic diagram of a filter provided according to an embodiment of the present utility model is shown;

[0021] Figure 2 A cross-sectional schematic diagram of a filter provided according to an embodiment of the present invention is shown;

[0022] Figure 3 A cross-sectional schematic diagram of a housing provided according to an embodiment of the present invention is shown;

[0023] Figure 4 The present invention is shown Figure 1 A magnified view of part A is provided.

[0024] Legend:

[0025] 1. Equipment frame; 2. Processing tank; 201. Side frame one; 202. Bolt; 203. Nut; 3. Cover one; 301. Side frame two; 4. Inlet pipe; 5. Cover two; 6. Drain pipe; 7. Frame cylinder; 8. Filter bag; 9. Disc frame; 10. Filter element; 11. Support; 12. Shell; 13. Worm gear; 14. Worm; 15. Handwheel. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figures 1-4 This utility model provides a technical solution: a two-stage integrated filter, including a frame 1, and further comprising:

[0028] Processing tank 2: Rotatably connected to equipment frame 1. Both ends of processing tank 2 are respectively equipped with cover body 3 and cover body 5. Cover body 3 is equipped with liquid inlet pipe 4, and cover body 5 is equipped with liquid outlet pipe 6.

[0029] Primary filtration unit: installed in the treatment tank 2, it performs coarse filtration on the liquid entering the treatment tank 2 through the inlet pipe 4;

[0030] Secondary filtration unit: Located in the treatment tank 2, it performs fine filtration on the liquid after coarse filtration. The filtered liquid is discharged through the drain pipe 6.

[0031] Liquid enters treatment tank 2 through inlet pipe 4, first flowing into the frame 7 of the primary filtration mechanism. Filter bags 8 embedded in the frame 7 intercept larger particulate impurities (such as silt, suspended solids, etc.) in the liquid, achieving coarse filtration. The filtered liquid then enters the next stage space of treatment tank 2 through the through-hole at the bottom of the frame 7, where the larger particulate impurities have been initially separated.

[0032] The liquid after coarse filtration flows to the disc-shaped frame 9 area where the secondary filtration mechanism is located. Multiple filter elements 10 installed on the disc-shaped frame 9 further intercept tiny particles (such as colloids, bacteria, etc.), achieving high-precision filtration. The purified liquid after two stages of filtration is finally discharged from the equipment through the drain pipe 6 on the cover 5, completing the entire filtration process.

[0033] Specifically, such as Figure 1 and Figure 2 As shown, the primary filtration mechanism includes a frame 7 fixed inside the treatment tank 2, a filter bag 8 embedded on the inner side of the frame 7, and a through hole formed at the bottom of the frame 7.

[0034] The liquid to be filtered enters the treatment tank 2 through the inlet pipe 4 and first flows into the inside of the frame 7. As the liquid passes through the filter bag 8, the mesh structure of the filter bag 8 intercepts large particulate impurities (such as silt, suspended solids, etc.) in the liquid, achieving coarse filtration. The filtered liquid enters the next stage space of the treatment tank 2 through the through hole at the bottom of the frame 7, where large particulate impurities are trapped inside the filter bag 8.

[0035] The secondary filtration mechanism includes a disc-shaped frame 9 fixed to the inner wall of the cover 25, and multiple filter elements 10 are installed on the disc-shaped frame 9.

[0036] The disc-shaped frame 9 is fixed to the inner wall of the cover 5 to support the filter element 10. Multiple filter elements 10 are installed on the disc-shaped frame 9 to intercept fine particles.

[0037] The primary filtration stage removes large particulate impurities through filter bag 8, protecting the secondary filtration element 10 from clogging and extending its service life. This two-stage filtration improves filtration accuracy, ensuring the final liquid meets process requirements. Both filtration stages are integrated into the treatment tank 2, resulting in a compact structure and reduced equipment footprint.

[0038] Filter bags 8 are typically made of polypropylene (PP) nonwoven fabric (acid and alkali resistant, low cost), polyester (PET) fiber (high temperature resistant, high strength) or nylon monofilament mesh (wear resistant, suitable for high viscosity) to intercept large particulate impurities and protect filter element 10.

[0039] Filter cartridge 10 commonly uses polypropylene (PP) melt-blown filter cartridges (deep filtration, strong dirt holding capacity), polytetrafluoroethylene (PTFE) membranes (strong corrosion resistance, high precision), activated carbon fiber (adsorbing organic matter), or ceramic materials (high temperature resistance, washable) to achieve fine filtration of tiny particles.

[0040] The edge of the filter bag 8 is embedded in the gap between the inner wall ring of the treatment tank 2 and the end of the frame 7. The frame 7 is fixed to the ring by tightening the bolts 202, thereby pressing the edge of the filter bag 8 to achieve a seal. This design ensures that the filter bag 8 remains stable and does not fall off under high pressure or high flow rate through mechanical clamping force.

[0041] The disc-shaped frame 9 is fixed to the inner wall of the cover body 2 5, serving as the support skeleton for the filter element 10. The filter element 10 is installed on the disc-shaped frame 9 through mechanical nesting or threaded connection, forming a detachable modular structure.

[0042] Specifically, such as Figure 1 , Figure 2 and Figure 4 As shown, the outer side of the treatment tank 2 is provided with a locking structure that is fixed to the cover body 3 and the cover body 5. The locking structure includes a side frame 201 fixed to the side end of the treatment tank 2. The side ends of the cover body 3 and the cover body 5 are each fixed with a side frame 301 corresponding to the side frame 201. The inner side of the side frame 201 is rotatably connected with a bolt 202. The outer side of the side frame 301 is provided with a tightening assembly that is fixed to the bolt 202.

[0043] The tightening assembly includes a nut 203 screwed onto the outside of the bolt 202. A notch is formed in the side bracket 301. After the bolt 202 is rotated and inserted into the inside of the side bracket 301, the nut 203 is pressed into the notch to lock the cover 3 and the cover 5.

[0044] Align either cover 3 or cover 5 with the side frame structure of the treatment tank 2. The bolts 202 inside side frame 1 201 are rotated and inserted into the inside of side frame 2 301, forming an initial connection between the cover and the treatment tank 2. Rotate the nut 203 manually or with a tool to move it axially along the bolt 202. The nut 203 is gradually pressed into the recess of side frame 2 301, tightly fitting the end face of the cover with the end face of the treatment tank 2, forming a reliable sealing structure to prevent liquid leakage during filtration.

[0045] Specifically, such as Figures 1-3 As shown, a flipping structure is provided on the outside of the equipment frame 1, which allows adjustment of the positions of cover 3 and cover 5. The flipping structure includes a housing 12 fixed to the side of the equipment frame 1 by a bracket 11, and a speed-regulating transmission assembly is provided in the housing 12. The speed-regulating transmission assembly includes a worm gear 13 and a worm 14 rotatably connected in the housing 12. The worm gear 13 is fixed to the processing tank 2 by a rotating shaft, and a handwheel 15 is rotatably connected to the outside of the housing 12 and coaxially fixed with the worm 14.

[0046] The operator turns handwheel 15, which drives worm gear 14 to rotate via a coaxial connection. Handwheel 15 provides convenient manual operation, allowing for tilting control without the need for external power equipment. The helical teeth of worm gear 14 mesh with the teeth of worm wheel 13, transmitting rotational motion to worm wheel 13. The high reduction ratio of worm wheel 13 and worm gear 14 ensures a smooth and controllable tilting process for processing tank 2. Worm wheel 13 is fixed to processing tank 2 via a rotating shaft, and its rotation directly drives the rotation of processing tank 2.

[0047] Meanwhile, the self-locking characteristic of the worm gear 13 and worm 14 transmission allows the processing tank 2 to remain stably in the overturned position without the need for additional fixing devices, preventing the tank from rotating unexpectedly due to external forces and affecting the stability of material conveying.

[0048] The treatment tank 2 can be rotated by driving the worm gear 13 and worm 14 through the handwheel 15, allowing the operator to disassemble and assemble the end cover at a suitable height. At the same time, this design avoids the operational difficulties caused by space constraints in traditional equipment. The operator can directly access components such as filter bag 8 and filter element 10 without disassembling pipes or moving equipment, which significantly reduces the preparation time before maintenance and improves the convenience of operation.

[0049] The above description of the embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A two-stage integrated filter comprising a device frame (1), characterized in that, Also includes: Processing tank (2): Rotatably connected to the equipment frame (1), the two ends of the processing tank (2) are respectively equipped with a cover body one (3) and a cover body two (5), the cover body one (3) is equipped with a liquid inlet pipe (4), and the cover body two (5) is equipped with a liquid outlet pipe (6). Primary filtration unit: installed in the treatment tank (2), which performs coarse filtration on the liquid entering the treatment tank (2) through the inlet pipe (4); Secondary filtration mechanism: installed in the treatment tank (2), it performs fine filtration on the liquid after coarse filtration, and the filtered liquid is discharged through the drain pipe (6).

2. The two-stage integrated filter according to claim 1, wherein The primary filtration mechanism includes a frame (7) fixed inside the treatment tank (2), with a filter bag (8) embedded on the inner side of the frame (7), and a through hole formed at the bottom of the frame (7).

3. The two-stage integrated filter according to claim 1, wherein The secondary filtration mechanism includes a disc-shaped frame (9) fixed to the inner wall of the cover (5), on which multiple filter elements (10) are installed.

4. The two-stage integrated filter according to claim 1, wherein The outer side of the treatment tank (2) is provided with a locking structure that is fixed to the cover body one (3) and the cover body two (5). The locking structure includes a side frame one (201) fixed to the side end of the treatment tank (2). The side ends of the cover body one (3) and the cover body two (5) are each fixed with a side frame two (301) corresponding to the side frame one (201). The inner side of the side frame one (201) is rotatably connected with a bolt (202). The outer side of the side frame two (301) is provided with a tightening assembly that is fixed to the bolt (202).

5. The two-stage integrated filter according to claim 4, wherein The tightening assembly includes a nut (203) screwed onto the outside of the bolt (202). A notch is formed in the second side bracket (301). After the bolt (202) is rotated and embedded into the inside of the second side bracket (301), the nut (203) is pressed into the notch to lock the first cover (3) and the second cover (5).

6. The two-stage integrated filter according to claim 1, wherein The equipment rack (1) is provided with a flipping structure on the outside, through which the positions of cover one (3) and cover two (5) are adjusted.

7. The two-stage integrated filter according to claim 6, wherein The flipping structure includes a housing (12) fixed to the side of the equipment frame (1) by a bracket (11), and a speed-stabilizing transmission component is provided in the housing (12).

8. A two-stage integrated filter according to claim 7, characterized in that, The speed-regulating transmission assembly includes a worm gear (13) and a worm (14) rotatably connected in the housing (12). The worm gear (13) is fixed to the processing tank (2) via a rotating shaft. A handwheel (15) is rotatably connected to the outside of the housing (12) and is coaxially fixed with the worm (14).

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