CN212262501U - Multifunctional cloth clamping and protecting device for filter plate feeding hole and corresponding box type filter press filtering chamber - Google Patents
Multifunctional cloth clamping and protecting device for filter plate feeding hole and corresponding box type filter press filtering chamber Download PDFInfo
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- CN212262501U CN212262501U CN202022315279.6U CN202022315279U CN212262501U CN 212262501 U CN212262501 U CN 212262501U CN 202022315279 U CN202022315279 U CN 202022315279U CN 212262501 U CN212262501 U CN 212262501U
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Abstract
The utility model discloses a multifunctional cloth clamping and protecting device for a filter plate feeding hole and a corresponding box type filter press filtering chamber; the device comprises a cloth clamping distributor, a rubber check valve and a check valve rivet; the key points of the innovative scheme are as follows: on the basis of the existing cloth clamping distributor, a rubber check valve is added; when the material is fed at low pressure, the material is shunted to the filter chambers on two sides of the filter plate through the cloth clamping and protecting device in the feeding shunting hole and the rubber check valve which is opened, the check valve changes the material flow direction and effectively prevents solid particles in the material from impacting and grinding filter cloth on the matching plate; when squeezing and dewatering, the rubber check valve is automatically closed, slurry is prevented from flowing back from the feeding and shunting hole, and the backflow slurry is prevented from being sprayed out from the plate seam to pollute the field environment; the multifunctional auxiliary plate filter cloth has multiple functions of clamping the main plate filter cloth, protecting the auxiliary plate filter cloth, uniformly distributing materials in all directions and preventing slurry from flowing back. The filter chamber of the chamber filter press uses the device, solves the technical problems that solid particles frequently impact and wear filter cloth during feeding and slurry backflow pollutes the environment during squeezing, and has obvious effect.
Description
Technical Field
The utility model belongs to the technical field of van-type pressure filter (patent classification number B01D 25/12), a van-type filter plate accessory is related to.
Background
The filter press is a pressurized filtering device with multiple filtering chambers operated intermittently; the chamber filter press is a filter press using a chamber filter plate (a chamber single composite filter plate which is formed by manufacturing a filter plate and a filter frame into a whole and has symmetrical concave double sides); the method is controlled by a PLC, and single operation cycle, namely filter plate compaction, low-pressure feeding, pressure maintaining filtration, washing purification, squeezing dehydration, material back flushing, blow-drying purification, plate pulling and cake discharging, and filter cloth cleaning, is automatically completed by one key; is suitable for solid-liquid separation of various suspensions.
The box-type filter press mainly comprises a double-beam frame, a hydraulic pressing mechanism, a filtering mechanism (comprising a filtering chamber), a plate pulling mechanism, a cloth washing mechanism, a liquid receiving and plate turning mechanism and a PLC program control system. The filter chamber is a core component of the filter press, mainly comprises a box-type filter plate and a matching plate thereof, filter cloth, a cloth clamping distributor, sealing rings at the inlet and outlet hole ends of each fluid and other parts, the filter plate is pressed tightly by a hydraulic oil cylinder, and the filter chamber is formed by concave parts (cavity parts) of adjacent filter plates or matching plates clamping the filter cloth. The cloth clamping distributor is an important matching part of the filter plate, is arranged in a feeding and shunting hole of the filter plate and is used for clamping filter cloth on two sides of the filter plate and shunting the material to filter chambers on two sides of the filter plate.
The existing cloth clamping distributor has the following defects: lack the function of protection match board filter cloth and preventing the material backward flow: 1. during feeding, the material enters the filter chamber through the feeding shunting hole, and solid particles in the material frequently impact the filter cloth on the distribution plate, so that the filter cloth is worn and perforated, and the filtering effect and the service life of the filter cloth are influenced; 2. when the filter cake is squeezed and dewatered, the high-pressure swelling diaphragm squeezes the filter cake, and partial slurry flows back from the feeding shunting holes and is easy to splash from gaps between the filter plates, so that the field environment is polluted.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the existing cloth clamping distributor, solve the technical problems that solid particles frequently impact and wear filter cloth during feeding and backflow slurry is sprayed out from a plate seam during squeezing to pollute the environment, and provide a multifunctional cloth clamping and cloth protecting device for a filter plate feeding hole and a corresponding box type filter press filtering chamber; multifunctional-finger cloth clamping, distributing, protecting and non-return functions.
The utility model provides an innovation technical scheme that prior art problem adopted is: a multifunctional cloth clamping and protecting device for a filter plate feeding hole (hereinafter referred to as a cloth clamping and protecting device); the main points of the overall technical scheme are as follows: compared with the prior art, the innovative overall structure has the prominent substantive characteristics that a rubber check valve is added on the basis of the existing cloth clamping distributor; during feeding, the material is shunted to the filter chambers on two sides of the filter plate through the cloth clamping and protecting device in the feeding shunting hole and the punching rubber check valve, the check valve changes the material flow direction and effectively prevents solid particles in the material from impacting and grinding filter cloth on the distribution plate; when squeezing and dewatering, the rubber check valve is automatically closed, slurry is prevented from flowing back from the feeding and shunting hole, and the backflow slurry is prevented from being sprayed out from the plate seam to pollute the field environment; therefore, the technical problems that solid particles frequently impact and wear the filter cloth during feeding and slurry reflows to pollute the environment during squeezing are solved.
The specific design scheme is as follows: the cloth clamping and protecting device mainly comprises a cloth clamping distributor, a rubber check valve and a check valve rivet; the shape and the construction characteristics of the innovative parts are as follows; the cloth clamping distributor is a flat mushroom-shaped (comprising a mushroom stem and a mushroom cover) stainless steel cloth clamping distributor and comprises a double-half cloth clamping distributor and a connecting bolt assembly; the handle part of the cloth clamping distributor is a cylinder, the outer diameter of the handle part is matched with the feeding hole of the filter plate in a shunting way, and the cover part of the mushroom is provided with three fan-shaped distributing holes and a central counter bore; the rubber check valve is a rubber circular sheet, is provided with a rivet hole, and has a specification corresponding to that of the mushroom cover of the cloth clamping and separating device; the length of the non-return valve rivet is limited by not touching the auxiliary plate filter cloth after riveting.
The connection relation of the main parts is as follows: for convenience of explanation, a main filter plate and a main plate filter cloth which are closely related to the cloth clamping and protecting device are added; riveting a rubber check valve on the half-edge cloth clamping distributor by using a check valve rivet; the filter cloth of the main board is hung on the main filter board to cover and fix two sides of the filter board; the rubber check valve is closed by means of dead weight because the check valve rivet is upward; has the functions of clamping the filter cloth of the main board, protecting the filter cloth of the auxiliary board, uniformly distributing materials in all directions and preventing slurry from flowing back.
The utility model also provides a filtering chamber of the box-type filter press, which uses the multifunctional cloth clamping and protecting device for the feeding hole of the filtering plate provided by the utility model; the filter mainly comprises a main filter plate, a main plate filter cloth, a cloth clamping and protecting device, an auxiliary filter plate, an auxiliary plate filter cloth, sealing rings at the inlet and outlet ends of each fluid and the like.
The utility model provides a filter plate feed port protects cloth device and corresponding van-type pressure filter chamber with multi-functional clamp cloth, the progress that is showing has simple structure, dependable performance, it presss from both sides cloth to have concurrently, divide the material, protect cloth, contrary multiple functions's advantage ends, beneficial effect has increased the function of protection subplate filter cloth and prevention ground paste backward flow, filter effect has been ensured, filter cloth life has been prolonged, stop backward flow ground paste from the board seam blowout and pollute site environment, unexpected technological effect has been gained, be van-type filter mechanism's development direction.
Drawings
Fig. 1 is a schematic front view of the multifunctional cloth clamping and protecting device for the filter plate feeding hole of the utility model.
Fig. 2 is a left side view schematic diagram of the closed state of the half-side check valve of the multifunctional cloth clamping and protecting device for the filter plate feeding hole.
Fig. 3 is a left side view of the open state of the half-way check valve of the multifunctional cloth clamping and protecting device for the filter plate feeding hole.
Fig. 4 is a schematic partial sectional view of the filtering chamber (with the check valve closed) of the chamber filter press of the present invention.
Reference numerals: 1-a check valve rivet, 2-a cloth clamping distributor, 3-a rubber check valve, 4-main board filter cloth, 5-a main filter board (box filter board), 6-a main board feed hole, 7-an auxiliary board feed hole, 8-an auxiliary filter board (matching board), 9-an auxiliary board filter cloth (matching board filter cloth), 10-a feed flow dividing hole and 11-a filter chamber.
Detailed Description
The technical solution of the embodiment of the present invention will be described below with reference to the attached drawings in the embodiments of the multifunctional cloth clamping and protecting device for the feeding hole of the filter plate and the filter chamber of the corresponding box-type filter press, and the described embodiments are only some, but not all, preferred embodiments of the present invention. Based on the utility model discloses an embodiment, all other embodiments of making not creative, like the double-layered cloth protecting device that protects the cloth the same with contrary principle, the structure is similar all belong to the utility model discloses a protection scope.
Examples
A multifunctional cloth clamping and protecting device for a filter plate feeding hole (hereinafter referred to as a cloth clamping and protecting device) has the key points of an innovative overall implementation scheme that a rubber check valve 3 is additionally arranged on the basis of the existing cloth clamping distributor 2; during feeding, the material is shunted to the filter chambers 11 on two sides of the filter plate 5 through the cloth clamping and protecting device in the feeding shunting hole 10 and the rubber check valve 3, the check valve 3 changes the material flow direction and effectively prevents solid particles in the material from impacting and grinding the auxiliary plate filter cloth 9; when squeezing and dewatering, the rubber check valve 3 is automatically closed, slurry is prevented from flowing back from the feeding and shunting hole 10, and the backflow slurry is prevented from being sprayed out from the plate seam to pollute the field environment.
The specific implementation scheme is as follows: the cloth clamping and protecting device mainly comprises a cloth clamping distributor 2, a rubber check valve 3 and a check valve rivet 1; the device has multiple functions of clamping the main board filter cloth 4, protecting the auxiliary board filter cloth 9, uniformly distributing materials in all directions and preventing slurry from flowing back; the detailed description is as follows:
the cloth clamping distributor 2 is a flat mushroom-shaped (comprising a mushroom stem and a mushroom cover) stainless steel cloth clamping distributor and comprises a double-half cloth clamping distributor and a connecting bolt assembly; the root part of the mushroom of the cloth clamping distributor 2 is a cylinder, the outer diameter of the cylinder is matched with the feeding and shunting holes 10 of the filter plate, and the head part of the mushroom is provided with three fan-shaped material distributing holes and a central counter bore; the double-half cloth clamping distributor 3 is connected and arranged in the feeding and shunting holes 10 of the filter plate 5 and the filter cloth 4 by using a connecting bolt component; the filter cloth 4 is used for clamping two sides of the filter plate 5 and the material is divided into filter chambers 11 on two sides of the filter plate 5.
The rubber check valve 3 is a rubber circular sheet, is provided with a rivet hole, and has the specification corresponding to the mushroom cover of the cloth clamping distributor 2; a check valve rivet 1 is used, a rubber check valve 3 is riveted on a half-edge cloth clamping distributor 2, and the check valve rivet 1 faces upwards to enable the rubber check valve 3 to be closed by means of self weight; for protecting the sub-plate filter cloth 9 and preventing slurry from flowing back.
The check valve rivet 1 is positioned right above the cloth clamping distributor 2, and the length of the rivet 1 is limited by not touching the auxiliary plate filter cloth 9 after riveting; used for riveting the rubber check valve 3 on the half cloth clamping distributor 2.
The utility model provides a multifunctional cloth clamping and protecting device for a filter plate feed hole, which has the advantages of simple structure, reliable performance, and multiple functions of cloth clamping, material distribution, cloth protection and non-return; the technical problems that the filter cloth is abraded by frequent impact of solid particles during feeding and the environment is polluted by slurry backflow during squeezing are solved, and an unexpected technical effect is achieved.
Example 2
The utility model provides a filter plate feed port protects cloth device with multi-functional double-layered cloth in van-type pressure filter chamber uses the utility model provides a. The filtering chamber 11 of the chamber filter press mainly comprises a main filtering plate 5, a main filtering cloth 4, a cloth clamping and protecting device (the utility model discloses), an auxiliary filtering plate 8, an auxiliary filtering cloth 9, sealing rings at the ends of each fluid inlet and outlet hole, and other parts. The utility model discloses technical part common with prior art according to the current standard of china' van-type pressure filter and plate and frame pressure filter part 1: type and basic parameters section 2: technical Condition section 3: filter plate (JB/T4333-2013).
Assembling a filter chamber of the chamber type filter press: the main filter plates 5 and the auxiliary filter plates 8 are arranged alternately and supported on the guide rails of the double main beams of the frame by the filter plate handles at the two sides; the main board filter cloth 4 is hung on the main filter board 5 to cover and fix two sides of the filter board 5; connecting and installing the double-half cloth clamping distributor 2 in the feeding and shunting holes 10 of the filter plate 5 and the filter cloth 4 by using a connecting bolt component, clamping the filter cloth 4 and penetrating through filter chambers 11 on two sides of the filter plate 5, and enabling the rubber check valve 3 to be closed by means of self weight by upward facing a check valve rivet 1; each fluid inlet and outlet hole end sealing ring is arranged in a corresponding sealing ring trapezoidal counter bore; the auxiliary plate filter cloth 9 is hung on the auxiliary filter plate 8 to cover two sides of the filter plate 8 and is fixed; the main and auxiliary filter plates 5, 8 are pressed tightly by a hydraulic oil cylinder, and the concave parts (cavity parts) of the adjacent main and auxiliary filter plates 5, 8 clamping the filter cloth 4, 9 form a filter chamber 11; three fluid holes (a feeding hole 6, a feeding hole 7, a dark flow liquid outlet hole and a multifunctional hole) of each main filter plate 5 and each auxiliary filter plate 8 are respectively communicated to form three closed type main channels (a feeding main channel, a liquid outlet main channel and a multifunctional main channel), and three fluid branch holes (a feeding branch hole 10, a liquid outlet converging hole and a multifunctional branch hole) are respectively communicated with the three main channels and the filter chamber 11.
The low-pressure static filtration process of the corresponding filter press comprises the following steps: the materials are pressurized by a feeding pump and input into a filtering chamber 11 through a feeding shunting hole 10 for low-pressure static filtering, particles in the materials are intercepted by the filter cloth 4 and the filter cloth 9 to form filter cakes in the filtering chamber 11, filtrate passes through the filter cloth 4 and the filter cloth 9 and flows out of a liquid outlet hole of the filtering chamber 11, and gravity cake unloading is realized by pulling the filter plates 5 and 8 open. The complete operation cycle working process is as follows: the single operation cycle, namely filter plate compaction, low-pressure feeding, pressure maintaining filtration, washing purification, squeezing dehydration, material back flushing, blow-drying purification, plate pulling and cake discharging, and filter cloth cleaning, is automatically completed by one key under the control of a PLC. During feeding, the material is shunted to the filter chambers 11 on two sides of the filter plate 4 through the cloth clamping and protecting device in the feeding shunting hole 10 and the rubber check valve 3, the check valve 3 changes the material flow direction and effectively prevents solid particles in the material from impacting and grinding the auxiliary plate filter cloth 9; when squeezing and dewatering, the rubber check valve 3 is automatically closed, slurry is prevented from flowing back from the feeding and shunting hole 10, and the backflow slurry is prevented from being sprayed out from the plate seam to pollute the field environment.
The utility model provides a van-type pressure filter chamber uses multi-functional double-layered cloth to protect cloth device dependable performance, has double-layered cloth, branch material, protects cloth, the contrary advantage of ending multiple functions concurrently, and beneficial effect has increased the function of protection subplate filter cloth 9 and prevention ground paste backward flow, has ensured filter effect, has prolonged filter cloth 9 life, stops backward flow ground paste from the plate gap blowout site environment, has obtained unexpected technological effect, is van-type filter mechanism's development direction.
Claims (3)
1. A multifunctional cloth clamping and protecting device for a filter plate feeding hole comprises a cloth clamping distributor, a rubber check valve and a check valve rivet; the method is characterized in that: a rubber check valve is additionally arranged on the cloth clamping distributor; the cloth clamping distributor is a flat mushroom-shaped stainless steel cloth clamping distributor with a mushroom cover and a mushroom stem, and comprises a double-half cloth clamping distributor and a connecting bolt assembly; the rubber check valve is a rubber circular sheet, is provided with a rivet hole, and has a specification corresponding to that of the mushroom cover of the cloth clamping and separating device; the length of the check valve rivet is limited by not touching the auxiliary plate filter cloth after riveting; the connection relationship is: riveting a rubber check valve on the half-edge cloth clamping distributor by using a check valve rivet; connecting and installing the double-half cloth clamping distributor in the feeding and shunting holes of the filter plate and the filter cloth by using a connecting bolt component, clamping the filter cloth, and enabling the check valve rivet to be upward so that the rubber check valve can be closed by means of self weight; has the functions of clamping the filter cloth of the main board, protecting the filter cloth of the auxiliary board, uniformly distributing materials in all directions and preventing slurry from flowing back.
2. The multifunctional cloth clamping and protecting device for the feed holes of the filter plates as claimed in claim 1, wherein the double-half cloth clamping distributor comprises a mushroom cover and a mushroom stem, the mushroom stem is a cylinder, the outer diameter of the mushroom stem is matched with the feed distribution holes of the filter plates, and the mushroom cover is provided with three fan-shaped distribution holes and a central counter bore.
3. A filter chamber of a chamber type filter press comprises a main filter plate, main plate filter cloth, a cloth clamping and protecting device, an auxiliary filter plate, auxiliary plate filter cloth and sealing rings at inlet and outlet ends of each fluid; the multifunctional cloth clamping and protecting device for the filter plate feeding hole is characterized by comprising the multifunctional cloth clamping and protecting device for the filter plate feeding hole as claimed in any one of claims 1-2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022315279.6U CN212262501U (en) | 2020-10-18 | 2020-10-18 | Multifunctional cloth clamping and protecting device for filter plate feeding hole and corresponding box type filter press filtering chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022315279.6U CN212262501U (en) | 2020-10-18 | 2020-10-18 | Multifunctional cloth clamping and protecting device for filter plate feeding hole and corresponding box type filter press filtering chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212262501U true CN212262501U (en) | 2021-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022315279.6U Active CN212262501U (en) | 2020-10-18 | 2020-10-18 | Multifunctional cloth clamping and protecting device for filter plate feeding hole and corresponding box type filter press filtering chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212262501U (en) |
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2020
- 2020-10-18 CN CN202022315279.6U patent/CN212262501U/en active Active
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| CP01 | Change in the name or title of a patent holder |
Address after: 253000 shoujingjin group, Jinghua Road North, Dezhou Economic Development Zone, Shandong Province Patentee after: Jingjin Equipment Co.,Ltd. Address before: 253000 shoujingjin group, Jinghua Road North, Dezhou Economic Development Zone, Shandong Province Patentee before: Jing Jin Environmental Protection Inc. |
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| CP01 | Change in the name or title of a patent holder |