CN211097723U - Constant volume diaphragm type filter press - Google Patents
Constant volume diaphragm type filter press Download PDFInfo
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- CN211097723U CN211097723U CN201921936360.7U CN201921936360U CN211097723U CN 211097723 U CN211097723 U CN 211097723U CN 201921936360 U CN201921936360 U CN 201921936360U CN 211097723 U CN211097723 U CN 211097723U
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Abstract
The utility model discloses a constant volume diaphragm type pressure filter, including support, clamping screw, locating piece, filter-pressing unit and gland nut etc. wherein the filter-pressing unit is including squeezing subassembly and filtering component, it includes to squeeze the subassembly: first frame, first baffle, supporting seat, piston hole, piston rod, diaphragm lid, diaphragm backing plate, diaphragm fastener, diaphragm and air inlet and outlet, filtering component includes: the second frame, the second baffle, filter plate, filter cloth, feed port, row's cinder hole, play liquid hole. By using the technical scheme of the utility model, the repeated opening and closing of the filter pressing unit is not needed in the filter pressing process, and the production efficiency is improved; the whole filter pressing unit is in a normally closed state, the phenomenon that feed liquid is splashed out when the filter pressing unit is opened and closed is avoided, and the harm to the bodies of production personnel is avoided.
Description
Technical Field
The utility model relates to a technical field of pressure filter especially relates to a constant volume diaphragm type pressure filter.
Background
In industrial production, a filter press is generally used as a main filtration apparatus for a solid-liquid separation process. The filter press used in the prior art usually needs to remove the filter cake after completing a filtration cycle, and the filter plates are pulled apart one by the plate pulling device, so that the filter cake falls from the filter chamber formed by the filter plates and is removed, thereby achieving the purpose of filtration. As the filter area of the filter press increases and the number of filter plates increases, it takes more time to pull the filter plates one by one, which seriously reduces the production efficiency. And the filter plate needs to be compressed again when each filtration cycle is completed, the sealing piece is damaged by frequent opening, liquid inside the filter press during working is splashed out, the splashing direction is uncertain all around, and when the feed liquid to be filtered is high temperature or harmful to human bodies, the operator is threatened.
SUMMERY OF THE UTILITY MODEL
In view of this, in order to solve the above problem, an object of the present invention is to provide a constant volume diaphragm filter press, which comprises:
a first bracket;
the second support is arranged on one side opposite to the first support;
the clamping screws are arranged between the first support and the second support, and two ends of each clamping screw are fixedly connected with the first support and the second support respectively;
one end of each clamping screw rod, which is close to the first support, is provided with one positioning block;
the plurality of filter pressing units are sequentially arranged between the first support and the second support, a plurality of screw connecting holes are formed in two sides of each filter pressing unit, the screw connecting holes are matched with the clamping screws, and the plurality of filter pressing units are tightly attached to each other;
the compression nut is arranged at one end, close to the second support, of each clamping screw, and each compression nut abuts against one screw connecting hole;
wherein, each the filter pressing unit all includes and squeezes subassembly and filter assembly, squeeze the side of subassembly with filter assembly's side is closely laminated, squeeze the subassembly and include: first frame, first baffle, supporting seat, piston hole, piston rod, diaphragm lid, diaphragm backing plate, diaphragm fastener, diaphragm and air inlet and outlet, be equipped with one along vertical direction in the first frame first baffle, the central point of first baffle puts and is equipped with one the supporting seat, be equipped with one in the supporting seat the piston hole, install one in the piston hole the piston rod, the both ends of piston rod fixed mounting respectively have one the diaphragm lid, one is all installed at the both ends of piston rod the diaphragm backing plate, two the baffle all is equipped with one for the surface of the opposite side of first baffle the diaphragm, be equipped with a plurality of on the diaphragm fastener, the diaphragm fastener will the diaphragm with baffle fixed mounting, each the diaphragm all with first frame fixed connection, first frame quilt first baffle, The two diaphragms are sequentially divided into a first chamber and a second chamber, the center positions of the diaphragm backing plate and the two diaphragms are fixed at the two ends of the piston rod through the diaphragm covers, two air inlet and outlet ports are formed in the upper surface of the first frame, and the two air inlet and outlet ports are communicated with the first chamber and the second chamber respectively.
In another preferred embodiment, the filter assembly comprises: the filter plate comprises a second frame, a second partition plate, filter plates, filter cloth, feed holes, slag discharge holes and liquid outlet holes, wherein the second frame is matched with the first frame, the second partition plate is arranged in the second frame along the vertical direction, the filter plates are arranged on two sides of the second partition plate, two ends of each filter plate are fixedly connected with the second frame, one side, close to the second partition plate, of each filter plate is provided with the filter cloth, the interior of the second frame is sequentially divided into a first charging chamber, a first filtering chamber, a second filtering chamber and a second charging chamber by the second partition plate and the two filter plates, the upper surface of the second frame is provided with the two feed holes, the two feed holes are respectively communicated with the first filtering chamber and the second filtering chamber, the lower surface of the second frame is provided with the two slag discharge holes, and the two slag discharge holes are respectively communicated with the first charging chamber and the second charging chamber, the bottom ends of the two sides of the second frame are respectively provided with two liquid outlet holes, and the two liquid outlet holes are respectively communicated with the first filter chamber and the second filter chamber.
In another preferred embodiment, the two diaphragm backing plates are both parallel to the first partition plate, and the height of the two diaphragm backing plates is smaller than that of the first partition plate.
In another preferred embodiment, the shape of the slag discharge hole is rectangular, and the width of the slag discharge hole is equal to the width of the filter plate.
In another preferred embodiment, the filter assembly further comprises: discharge opening shrouding subassembly, discharge opening shrouding subassembly includes shrouding, axis of rotation and driver, the axis of rotation is rotationally located the lower surface of second frame, two the shrouding all with axis of rotation fixed connection, two shrouding mutually perpendicular, the driver is located the side of second frame lower extreme, the driver with rotation axis connection, two the shrouding all with double-phase adjacent the mud hole phase-match.
In another preferred embodiment, a silica gel sealing gasket is further arranged on the surface, contacting with the slag discharging hole, of each sealing plate, and the silica gel sealing gasket is matched with the slag discharging hole.
In another preferred embodiment, a plurality of guide rods are further arranged between the first support and the second support, two ends of each guide rod are fixedly connected with the first support and the second support respectively, a plurality of guide grooves are arranged on two sides of each filter pressing unit, and the guide grooves are matched with the guide rods.
In another preferred embodiment, the inner wall of the piston hole is provided with a silica gel sealing gasket matched with the piston rod.
In another preferred embodiment, a discharging plate-turning mechanism is further arranged at the bottom between the first support and the second support, and two ends of the discharging plate-turning mechanism are fixedly connected with the first support and the second support respectively.
The utility model discloses owing to adopted above-mentioned technical scheme, make it compare the positive effect that has with prior art to be:
(1) by using the technical scheme of the utility model, the repeated opening and closing of the filter pressing unit is not needed in the filter pressing process, and the production efficiency is improved;
(2) through using the technical scheme of the utility model make whole filter-pressing unit be in the state of normal close, take place the emergence of feed liquid spill when having avoided the switching, avoided causing health harm to producers.
Drawings
Fig. 1 is a schematic view of a constant volume diaphragm filter press according to the present invention;
fig. 2 is a sectional view of a filter pressing unit of a constant volume diaphragm type filter press according to the present invention;
figure 3 is a cross-sectional view of a press assembly of a constant volume diaphragm filter press of the present invention;
figure 4 is a cross-sectional view of a filter assembly of a constant volume membrane filter press of the present invention;
fig. 5 is a detailed view of the discharge opening sealing plate assembly of the constant volume diaphragm filter press of the present invention.
In the drawings: 1. a first bracket; 2. a second bracket; 3. clamping the screw rod; 4. positioning blocks; 5. a filter pressing unit; 6. a screw connecting hole; 7. a compression nut; 51. a press assembly; 53. a filter assembly; 511. a first frame; 512. a first separator; 513. a supporting seat; 514. a piston bore; 515. a piston rod; 516. a diaphragm cover; 517. a diaphragm backing plate; 518. a diaphragm fastener; 519. a diaphragm; 520. an air inlet and outlet; 521. a first chamber; 522. a second chamber; 531. a second frame; 532. a second separator; 533. filtering the plate; 354. filtering cloth; 535. a first charging chamber; 536. a first filtration chamber; 537. a second filtration chamber; 538. a second charging chamber; 539. a feed port; 540. a slag discharge hole; 541. a liquid outlet hole; 8. a discharge opening closure plate assembly; 81. closing the plate; 82. a rotating shaft; 83. a driver; 9. a guide bar; 10. unloading panel turnover mechanism.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
Referring to fig. 1 to 4, there is shown a constant volume membrane filter press according to a preferred embodiment, comprising:
a first support 1;
the second support 2 is arranged on one side opposite to the first support 1;
the clamping screws 3 are arranged between the first support 1 and the second support 2, and two ends of each clamping screw 3 are fixedly connected with the first support 1 and the second support 2 respectively;
a positioning block 4 is arranged at one end of each clamping screw 3 close to the first support 1;
the filter pressing units 5 are sequentially arranged between the first support 1 and the second support 2, a plurality of screw connecting holes 6 are formed in two sides of each filter pressing unit 5, the screw connecting holes 6 are matched with the clamping screws 3, and the filter pressing units 5 are tightly attached to each other;
a compression nut 7 is arranged at one end of each clamping screw 3 close to the second support 2, and each compression nut 7 is abutted against a screw connecting hole 6;
further, when the constant-volume diaphragm type filter press is installed, an operator can select a plurality of filter press units 5 with proper quantity and size according to the requirement of the filter press quantity, so that the filter press units 5 sequentially penetrate through the clamping screw 3, then the filter press units 5 are fixed through the positioning block 4 and the compression nut 7, each filter press unit 5 is tightly attached to the other under the action of force, and the filter press units 5 are combined to form a normally closed whole to a plurality of compression units.
Wherein, each filter pressing unit 5 all includes and squeezes subassembly 51 and filter assembly 53, squeezes the side of subassembly 51 and filter assembly 53's side and closely laminates, squeezes subassembly 51 and includes: the air compressor comprises a first frame 511, a first partition plate 512, a supporting seat 513, a piston hole 514, a piston rod 515, a partition plate cover 516, a partition plate cushion 517, partition plate fasteners 518, a partition plate 519 and an air inlet and outlet 520, wherein the first partition plate 512 is arranged in the first frame 511 along the vertical direction, the supporting seat 513 is arranged at the central position of the first partition plate 512, the piston hole 514 is arranged in the supporting seat 513, the piston rod 515 is arranged in the piston hole 514, the partition plate covers 516 are respectively and fixedly arranged at two ends of the piston rod 515, the partition plate cushion 517 is respectively arranged at two ends of the piston rod 515, the partition plates 519 are respectively arranged on the surfaces of the other sides of the two partition plates corresponding to the first partition plate 512, the partition plates 519 are provided with a plurality of partition plate fasteners 518, the partition plates 519 and the partition plates are fixedly arranged by the partition plate fasteners 518, each partition plate 519 is fixedly connected with the first frame 511, the first frame 511 is sequentially divided, the two diaphragm backing plates 517 and the two diaphragms 519 are fixed at the two ends of the piston rod 515 by the diaphragm covers 516, the upper surface of the first frame 511 is provided with two air inlet and outlet ports 520, and the two air inlet and outlet ports 520 are respectively communicated with the first chamber 521 and the second chamber 522. Further, the operator can fix the diaphragms 519 at both ends of the piston rods 515 through the diaphragm plate 517, the diaphragm fasteners 518, and the diaphragm covers 516, and when air is blown into or blown out from the air inlet/outlet 520, the piston rods 515 move in the direction of the piston holes 514 under the action of the air pressure difference between the first chamber 521 and the second chamber 522, and the diaphragms 519 at the corresponding sides are driven to expand or contract, and the movements of the diaphragms 519 at both sides are opposite.
Further, as a preferred embodiment, the filter assembly 53 includes: the filter comprises a second frame 531, a second partition 532, filter plates 533, filter cloth 354, feed holes 539, slag discharge holes 540 and liquid outlet holes 541, wherein the second frame 531 is matched with the first frame 511, a second partition 532 is arranged in the second frame 531 along the vertical direction, two filter plates 533 are arranged on two sides of the second partition 532, two ends of each filter plate 533 are fixedly connected with the second frame 531, one side of each filter plate 533 close to the second partition 532 is provided with one filter cloth 354, the interior of the second frame 531 is divided into a first charging chamber 535, a first filter chamber 536, a second filter chamber 537 and a second charging chamber 538 by the second partition 532 and the two filter plates 533 in sequence, the upper surface of the second frame 531 is provided with two feed holes 539, the two feed holes 539 are respectively communicated with the first filter chamber 536 and the second filter chamber 537, the lower surface of the second frame 531 is provided with two rows of slag discharge holes 540, and the two rows of slag discharge holes 540 are respectively communicated with the first charging chamber 535 and the second charging chamber 538, the bottom ends of the two sides of the second frame 531 are respectively provided with two liquid outlet holes 541, and the two liquid outlet holes 541 are respectively communicated with the first filter chamber 536 and the second filter chamber 537. Further, when filter pressing operation is performed again, the first charging chamber 535 and the second charging chamber 539 are charged through the charging hole 539, after the air pump is started, compressed air inflates the first chamber 521 through the two air inlet and outlet holes 520, air is extracted from the second chamber 522, the piston rod 515 moves correspondingly, the diaphragm 519 presses the raw liquid on the filter plate 533, moisture in the raw liquid is subjected to solid-liquid separation under the action of pressure, and the liquid enters the first filter chamber 536 and the second filter chamber 537 after being filtered through the filter plate 533 and the filter cloth 534 and is discharged through the liquid outlet hole 541; the filter residues are left in the first charging chamber 537 and the second charging chamber 538, the air pump performs reverse operation to the previous operation at the moment, the first chamber 521 is pumped, the second chamber 522 is inflated, the filter residues lose pressure from the diaphragm 519 and fall down, and are discharged through the residue discharge hole 540, and the filter residues move repeatedly under the action of the air pump, so that the whole filter press can repeatedly perform continuous filter pressing operation on the stock solution without performing closing action of the filter pressing unit 5, meanwhile, the suction operation can be performed on one side, and the chamber is cleaned while the diaphragm 519 retracts.
Further, as a preferred embodiment, the two diaphragm pads 517 are parallel to the first spacer 512, and the height of the two diaphragm pads 517 is smaller than that of the first spacer 512. Further, the diaphragm plate 517 is made to perform repetitive movement in the first charging chamber 535 and the second charging chamber 538 better, and the piston rod 515 has a certain limit function, so that the wear of other parts can be further reduced.
Further, as a preferred embodiment, the shape of the slag discharge hole 540 is rectangular, and the width of the slag discharge hole 540 is equal to the width of the filter plate 533. Further, the residue may be discharged well.
Further, as a preferred embodiment, the filtering assembly 53 further includes: discharge opening shrouding subassembly 8, discharge opening shrouding subassembly 8 include shrouding 81, axis of rotation 82 and driver 83, and the lower surface of second frame 531 is rotationally located to axis of rotation 82, and two shrouding 81 all with axis of rotation 82 fixed connection, two shrouding 81 mutually perpendicular, the side of second frame 531 lower extreme is located to driver 83, and driver 83 is connected with axis of rotation 82, and two shrouding 81 all match with double-phase adjacent deslagging hole 540. Further, according to the expansion/contraction action of the diaphragm 519 in the first charging chamber 535 and the second charging chamber 538, the lower driver 83 correspondingly closes/opens the slag discharge hole 540 at the bottom of the adjacent first charging chamber 535 and the second charging chamber 538, so that the pressing operation is performed on two sides in turn, and the production efficiency is greatly improved.
Further, as a preferred embodiment, a silicone gasket (not shown) is further disposed on a surface of each sealing plate 81 contacting with a matching slag discharge hole 540, and the silicone gasket is matched with the slag discharge hole 540. Further, the sealing property is enhanced.
Further, as a preferred embodiment, a plurality of guide rods 9 are further arranged between the first support 1 and the second support 2, two ends of each guide rod 9 are fixedly connected with the first support 1 and the second support 2 respectively, and a plurality of guide grooves are arranged on two sides of each filter pressing unit 5 and matched with the guide rods 9. Furthermore, the guide rods 9 enable the filter pressing units 5 to be installed in sequence more conveniently and accurately.
Further, as a preferred embodiment, the inner wall of the piston bore 514 is fitted with a silicone seal (not shown) that mates with the piston rod 515. Further, a good air tightness between the first chamber 521 and the second chamber 522 is provided. Further, during the filter press operation, the first chamber 521, the second chamber 522, the first filter chamber 536, the second filter chamber 537, the first charging chamber 535, and the second charging chamber 538 are all normally closed.
Further, as a preferred embodiment, a discharging panel turnover mechanism 10 is further disposed at the bottom between the first support 1 and the second support 2, and two ends of the discharging panel turnover mechanism 10 are respectively fixedly connected with the first support 1 and the second support 2.
The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.
Claims (9)
1. A constant volume diaphragm filter press, comprising:
a first bracket;
the second support is arranged on one side opposite to the first support;
the clamping screws are arranged between the first support and the second support, and two ends of each clamping screw are fixedly connected with the first support and the second support respectively;
one end of each clamping screw rod, which is close to the first support, is provided with one positioning block;
the plurality of filter pressing units are sequentially arranged between the first support and the second support, a plurality of screw connecting holes are formed in two sides of each filter pressing unit, the screw connecting holes are matched with the clamping screws, and the plurality of filter pressing units are tightly attached to each other;
the compression nut is arranged at one end, close to the second support, of each clamping screw, and each compression nut abuts against one screw connecting hole;
wherein, each the filter pressing unit all includes and squeezes subassembly and filter assembly, squeeze the side of subassembly with filter assembly's side is closely laminated, squeeze the subassembly and include: first frame, first baffle, supporting seat, piston hole, piston rod, diaphragm lid, diaphragm backing plate, diaphragm fastener, diaphragm and air inlet and outlet, be equipped with one along vertical direction in the first frame first baffle, the central point of first baffle puts and is equipped with one the supporting seat, be equipped with one in the supporting seat the piston hole, install one in the piston hole the piston rod, the both ends of piston rod fixed mounting respectively have one the diaphragm lid, one is all installed at the both ends of piston rod the diaphragm backing plate, two the baffle all is equipped with one for the surface of the opposite side of first baffle the diaphragm, be equipped with a plurality of on the diaphragm fastener, the diaphragm fastener will the diaphragm with baffle fixed mounting, each the diaphragm all with first frame fixed connection, first frame quilt first baffle, The two diaphragms are sequentially divided into a first chamber and a second chamber, the center positions of the diaphragm backing plate and the two diaphragms are fixed at the two ends of the piston rod through the diaphragm covers, two air inlet and outlet ports are formed in the upper surface of the first frame, and the two air inlet and outlet ports are communicated with the first chamber and the second chamber respectively.
2. The constant volume membrane filter press according to claim 1, wherein the filter assembly comprises: the filter plate comprises a second frame, a second partition plate, filter plates, filter cloth, feed holes, slag discharge holes and liquid outlet holes, wherein the second frame is matched with the first frame, the second partition plate is arranged in the second frame along the vertical direction, the filter plates are arranged on two sides of the second partition plate, two ends of each filter plate are fixedly connected with the second frame, one side, close to the second partition plate, of each filter plate is provided with the filter cloth, the interior of the second frame is sequentially divided into a first charging chamber, a first filtering chamber, a second filtering chamber and a second charging chamber by the second partition plate and the two filter plates, the upper surface of the second frame is provided with the two feed holes, the two feed holes are respectively communicated with the first filtering chamber and the second filtering chamber, the lower surface of the second frame is provided with the two slag discharge holes, and the two slag discharge holes are respectively communicated with the first charging chamber and the second charging chamber, the bottom ends of the two sides of the second frame are respectively provided with two liquid outlet holes, and the two liquid outlet holes are respectively communicated with the first filter chamber and the second filter chamber.
3. The constant volume diaphragm filter press of claim 1, wherein both of the diaphragm backing plates are parallel to the first partition plate, and the height of both of the diaphragm backing plates is less than the height of the first partition plate.
4. The constant volume diaphragm filter press according to claim 2, wherein the shape of the deslagging aperture is rectangular, and the width of the deslagging aperture is equal to the width of the filter plate.
5. The constant volume membrane filter press according to claim 2, wherein the filter assembly further comprises: discharge opening shrouding subassembly, discharge opening shrouding subassembly includes shrouding, axis of rotation and driver, the axis of rotation is rotationally located the lower surface of second frame, two the shrouding all with axis of rotation fixed connection, two shrouding mutually perpendicular, the driver is located the side of second frame lower extreme, the driver with rotation axis connection, two the shrouding all with double-phase adjacent the mud hole phase-match.
6. The membrane filter press of claim 5, wherein each sealing plate is provided with a silica gel sealing gasket on the surface contacting with a matching slag discharge hole, and the silica gel sealing gasket is matched with the slag discharge hole.
7. The constant-volume diaphragm type filter press according to claim 1, wherein a plurality of guide rods are further arranged between the first support and the second support, two ends of each guide rod are fixedly connected with the first support and the second support respectively, a plurality of guide grooves are arranged on two sides of each filter pressing unit, and the guide grooves are matched with the guide rods.
8. The constant volume diaphragm filter press of claim 1, wherein the inner wall of the piston bore is fitted with a silicone gasket that mates with the piston rod.
9. The constant-volume diaphragm type filter press according to claim 1, wherein a discharging plate turnover mechanism is further arranged at the bottom between the first support and the second support, and two ends of the discharging plate turnover mechanism are fixedly connected with the first support and the second support respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921936360.7U CN211097723U (en) | 2019-11-11 | 2019-11-11 | Constant volume diaphragm type filter press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921936360.7U CN211097723U (en) | 2019-11-11 | 2019-11-11 | Constant volume diaphragm type filter press |
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| Publication Number | Publication Date |
|---|---|
| CN211097723U true CN211097723U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921936360.7U Active CN211097723U (en) | 2019-11-11 | 2019-11-11 | Constant volume diaphragm type filter press |
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| CN (1) | CN211097723U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110665266A (en) * | 2019-11-11 | 2020-01-10 | 昆山三一环保科技有限公司 | Constant volume diaphragm type filter press |
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2019
- 2019-11-11 CN CN201921936360.7U patent/CN211097723U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110665266A (en) * | 2019-11-11 | 2020-01-10 | 昆山三一环保科技有限公司 | Constant volume diaphragm type filter press |
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