Press filter
By introducing cylinder rods, piston assemblies, and sealing structures into the filter press, the wear and leakage problems of existing filter presses when recovering special materials are solved, achieving efficient and low-cost material recovery, and making it suitable for high-temperature environments.
Patent Information
- Application Number
- CN202423230671.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-26
AI Technical Summary
Existing filter presses are difficult to efficiently recover special materials, especially sticky and corrosive materials, leading to wear and leakage, high cost, and difficulty in meeting the requirements for use in high-temperature environments.
The filter press mechanism inside the housing includes a cylinder rod, piston assembly, thin clamp-type flap, filter plate and drain pipe. Combining the principle of hydraulic cylinder, the sealing structure of the piston assembly and the O-ring design achieve sealed filtration and efficient recovery of materials, avoiding leakage.
It enables efficient recycling of special materials, reduces wear and leakage risks, lowers costs, is suitable for high-temperature environments, and simplifies the installation process.
Smart Images
Figure CN223590193U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to filter press technical field, concretely is a filter press. BACKGROUND
[0002] With the material type and characteristic of gasification industry contact increasingly partial material viscosity, value is too high, usually use material loss is too high, recovery is difficult, make production and labor cost increase substantially, and the reactor, condenser that current existing production generally exists cannot recover material, partial material's corrosiveness, viscosity easily increase recovery difficulty, and artificial recovery efficiency is low, danger coefficient is high.
[0003] The existing special material is difficult to recover and process, and the price is relatively expensive, but it is difficult to recover and utilize due to factors such as working environment, and the existing filter in the market is relatively expensive, and cannot collect and recover special (viscous) materials, high-temperature materials and corrosive materials. During the use of the filter press, under normal working conditions, the filter and the filter press usually adopt a screw extrusion form, and when running, contact with the material to be transported will produce mutual friction. This situation causes a certain wear and tear to the inside of the filter press, which causes leakage and insufficient extrusion over a long period of time.
[0004] It should be noted that the above content belongs to the technical cognition of the inventor and does not necessarily constitute the prior art. CONTENT OF THE UTILITY MODEL
[0005] In view of the above defects, the utility model provides a filter press to solve the problem of special material recovery.
[0006] To achieve the above purpose, the utility model adopts the following technical scheme:
[0007] A filter press comprises a shell and a support installed at the bottom of the shell, a feed inlet is formed in the right side of the upper end of the shell, and a filter press mechanism is arranged in the shell;
[0008] The filter press mechanism comprises a cylinder rod, a piston assembly, a thin double-clamped flap, a filter plate and a drain pipe, the cylinder rod is movably and sealingly inserted into the shell, the piston assembly is installed at the front end of the cylinder rod, the thin double-clamped flap is arranged at the front end of the piston assembly, the filter plate is installed at the left side in the shell, and the drain pipe is inserted into the bottom of the shell.
[0009] Further, a hole guide positioning ring is installed on the left side of the piston assembly, and a set of hole combination sealing assemblies are installed on the right side of the piston assembly.
[0010] Further, the thin double-clamped flap is matched with an O-ring.
[0011] Further, the filter plate is uniformly provided with filter holes, and a detachable filter gauze is installed on the left side of the filter plate.
[0012] Further, the filter screen is arranged on both sides of the front end of the drain pipe.
[0013] Further, the shell is provided with an observation hole at the front end, a hand hole at the right bottom, and a cover plate installed on the left side through a quick connector.
[0014] The utility model provides a kind of filter press, with following beneficial effects, change original extrusion form, material is turned to relatively closed space by combination hydraulic cylinder principle of straight bar after being filtered and sent out by extruding discharge port, to realize filter pressing;
[0015] The piston assembly seal adopts a combined sealing assembly for hole, which is composed of two guide support rings, one sealing ring and one elastic rubber ring.The guide ring plays a positioning role, the elastic rubber ring provides sufficient pre-tightening force, and compensates for the wear and tear of the sealing ring.The guide positioning ring and the rectangular stepped seal for hole are matched to ensure no leakage in the corrosive high-pressure hydraulic system.
[0016] The head part of the piston assembly seal adopts a thin double-clamped flap.The flap closely adheres to the valve seat by its own gravity and material resistance when the cylinder rod is pushed forward, and cooperates with the O-ring to prevent the material from flowing backward.The flap is opened upward by material fluidity and pushing force when the cylinder rod is retracted, so that the material enters the extrusion and filtration zone.
[0017] The cost is not significantly increased compared to ordinary feeders and existing screw elevators on the market, and the processing is relatively simple, which meets the product processing technology and is easy to install. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a schematic diagram of the filter press.
[0019] Figure 2 It is a schematic diagram of the filter plate. Figure 1
[0020] Figure 3 It is a schematic diagram of the filter plate.
[0021] Figure 4 It is a top view of the filter press.
[0022] Figure 5 It is a side view of the filter press.
[0023] In the figure: 1, shell; 2, support; 3, feed inlet; 4, cylinder rod; 5, piston assembly; 6, thin double-clamped flap; 7, filter plate; 8, drain pipe; 9, guide positioning ring; 10, combined sealing assembly for hole; 11, O-ring; 12, filter gauze; 13, filter screen; 14, observation hole; 15, hand hole; 16, cover plate. DETAILED DESCRIPTION
[0024] The utility model will be described in detail below in combination with the drawings, such as Figures 1-5 A filter press, comprising a shell 1 and a support 2 installed at the bottom of the shell 1, a feed inlet 3 is formed at the right side of the upper end of the shell 1, and a filter pressing mechanism is arranged in the shell 1; the filter pressing mechanism comprises a cylinder rod 4, a piston assembly 5, a thin double-clamped flap 6, a filter plate 7, and a drain pipe 8; the cylinder rod 4 is movably and sealingly inserted into the shell 1; the piston assembly 5 is installed at the front end of the cylinder rod 4; the thin double-clamped flap 6 is arranged at the front end of the piston assembly 5; the filter plate 7 is installed at the left side in the shell 1; and the drain pipe 8 is inserted into the bottom of the shell 1; a guide positioning ring 9 for hole is installed at the left side of the piston assembly 5; a set of combined sealing assemblies 10 for hole is installed at the right side of the piston assembly 5; the thin double-clamped flap 6 is matched with an O-ring 11; filter holes are uniformly formed on the filter plate 7, and a detachable filter gauze 12 is installed at the left side of the filter plate 7; filter screens 13 are arranged at the two sides of the front end of the drain pipe 8; an observation hole 14 is formed at the front end of the shell 1, a hand hole 15 is formed at the right bottom of the shell 1, and a cover plate 16 is installed at the left side of the shell 1 through a quick connector.
[0025] The working principle of the embodiment is as follows: the filter press is made of materials with high hardness and corrosion resistance, such as 316L, aluminum-magnesium alloy, and polytetrafluoroethylene;
[0026] When the filter press is used: the cylinder rod 4 is movably and sealingly inserted into the shell 1; the piston assembly 5 is installed at the front end of the cylinder rod 4; the thin double-clamped flap 6 is hinged at the front end of the piston assembly 5; the filter plate 7 is installed at the left side in the shell 1; the drain pipe 8 is inserted into the bottom of the shell 1; the guide positioning ring 9 for hole is installed at the left side of the piston assembly 5; the set of combined sealing assemblies 10 for hole is installed at the right side of the piston assembly 5; the thin double-clamped flap 6 is matched with the O-ring 11; the filter holes are uniformly formed on the filter plate 7, and the detachable filter gauze 12 is installed at the left side of the filter plate 7, as shown in Figure 1 — Figure 3
[0027] The feeding port 3 is a solid-liquid mixture feeding port, the cylinder rod 4 is connected with a hydraulic cylinder at the rear end, when the cylinder rod 4 is pushed, the thin double-clamping type flap 6 is tightly attached to the valve seat by its own gravity and material resistance, and the O-shaped ring 11 is used to prevent the material from flowing backward, when the cylinder rod 4 is retracted, the thin double-clamping type flap 6 is opened upward by the material flowability and the pushing force, so that the material enters the extrusion and filtration area, and the pressure filtration is completed, after the solid material is filtered by the filter plate 7 and the filter screen 13, the liquid material flows out to the waste liquid recovery device through the drain pipe 8, the filter screen 13 is arranged at the front end of the drain pipe 8, so that secondary filtration can be realized, and the solid material is prevented from blocking the pipeline, when the filter plate 7 needs to be cleaned, the cover plate 16 is opened, the filter plate 7 is disassembled, and the filter screen 13 is replaced;
[0028] The piston assembly sealing adopts a combined sealing assembly 10 for holes, which is composed of two guide support rings, one sealing ring and one elastic rubber ring, the guide ring plays a positioning role, the elastic rubber ring provides sufficient pre-tightening force, and compensates the wear and tear of the sealing ring, and is matched with the hole guide positioning ring 9 and the rectangular stepped seal, so that no leakage phenomenon occurs in the corrosive high-pressure hydraulic system;
[0029] After the piston assembly moves to the right, the solid-liquid mixture also moves to the right, the observation hole 14 is used to observe the material condition, the hand hole 15 is used to clear the blockage, when the material is accumulated to a certain degree, the double-clamping type butterfly valve connected to the upper end of the feeding port 3 is closed, and the hand hole 15 is opened to clean the solid material.
[0030] The above technical scheme only reflects the preferred technical scheme of the utility model, and some changes made by the person skilled in the art to some parts also reflect the principle of the utility model and are within the protection scope of the utility model.
Claims
1. A filter press comprising a housing (1) and a support (2) mounted at the bottom of the housing (1), a feed inlet (3) being formed in the right side of the upper end of the housing (1), characterized in that, The shell (1) is internally provided with a filter pressing mechanism; The filter pressing mechanism comprises a cylinder rod (4), a piston assembly (5), a thin double-clamping type turning plate (6), a filter plate (7) and a drain pipe (8), the cylinder rod (4) is movably and sealingly inserted into the shell (1), the piston assembly (5) is installed at the front end of the cylinder rod (4), the thin double-clamping type turning plate (6) is arranged at the front end of the piston assembly (5), the filter plate (7) is installed at the left side in the shell (1), and the drain pipe (8) is inserted into the bottom of the shell (1).
2. A filter press according to claim 1, characterised in that A hole guiding and positioning ring (9) is installed at the left side of the piston assembly (5), and a set of hole combined sealing assemblies (10) is installed at the right side of the piston assembly (5).
3. A filter press according to claim 1, wherein, The thin double-clamping type turning plate (6) is matched with an O-shaped ring (11).
4. A filter press according to claim 1, wherein, Filter holes are uniformly formed in the filter plate (7), and a detachable filter gauze (12) is installed at the left side of the filter plate (7).
5. A filter press according to claim 1, wherein, Filter screens (13) are arranged at the two sides of the front end of the drain pipe (8).
6. A filter press according to claim 1, wherein, An observation hole (14) is formed at the front end of the shell (1), a hand hole (15) is formed at the right bottom of the shell (1), and a cover plate (16) is installed at the left side of the shell (1) through a quick-assembly joint.