CN217220321U - Filtering device of high-efficiency double-diaphragm filter press - Google Patents
Filtering device of high-efficiency double-diaphragm filter press Download PDFInfo
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- CN217220321U CN217220321U CN202220104330.5U CN202220104330U CN217220321U CN 217220321 U CN217220321 U CN 217220321U CN 202220104330 U CN202220104330 U CN 202220104330U CN 217220321 U CN217220321 U CN 217220321U
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Abstract
The utility model discloses a filtering device of a high-efficiency double-diaphragm filter press, which has the key points of the technical proposal that the filtering device comprises a plurality of diaphragm plates, and a filter cake is formed between two adjacent diaphragm plates; the diaphragm plate comprises a frame, a core plate fixedly connected in the frame, two rubber diaphragms arranged at two sides of the frame and two filter cloths arranged at two sides of the rubber diaphragms; the rubber diaphragm comprises a middle part and a connecting part arranged around the middle part, and the connecting part is connected to the frame; when two adjacent diaphragm plates are pressed together, a space for accommodating filter cakes is formed between the middle parts, close to each other, of the two adjacent diaphragm plates; the filter pressing operation to the material can be realized only by arranging the diaphragm plate, and a filter plate is not required to be arranged independently.
Description
Technical Field
The utility model relates to a filterable technical field of pressure filter, more specifically the saying so, it relates to a high-efficient two diaphragm filter press's filter equipment.
Background
The filter press is the main filtration equipment of solid-liquid separation trade, and its filter unit mainly includes filter plate and diaphragm plate, and many filter plates and a plurality of diaphragm plates are crisscross to be set up, and when the material was filtered, let in the material between diaphragm plate and the filter plate, through the extrusion of diaphragm plate to the material for unnecessary moisture flows out, thereby forms the filter cake between diaphragm plate and filter plate, later a diaphragm plate and filter plate pull open, unload the filter cake.
Among the current pressure filter, all need set up filter plate and diaphragm plate simultaneously, and need crisscross the setting just can accomplish the filtration operation, this application provides one kind and need not to set up the filter equipment that the filter plate just can realize the filter-pressing operation.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a filter equipment of high-efficient two diaphragm filter presses, it only needs to set up the diaphragm plate and just can realize the filter-pressing operation to the material, need not to set up the filter plate alone.
In order to achieve the above purpose, the utility model provides a following technical scheme: a filter device of a high-efficiency double-diaphragm filter press comprises a plurality of diaphragm plates, wherein a filter cake is formed between two adjacent diaphragm plates;
the diaphragm plate comprises a frame, a core plate fixedly connected in the frame, two rubber diaphragms arranged at two sides of the frame and two filter cloths arranged at two sides of the rubber diaphragms; the rubber diaphragm comprises a middle part and a connecting part arranged around the middle part, and the connecting part is connected to the frame; when two adjacent diaphragm plates are pressed together, a space for containing filter cakes is formed between the middle parts, close to each other, of the two adjacent diaphragm plates;
a feed inlet penetrating through the frame, the rubber diaphragm and the filter cloth is formed in the middle of the top of the frame, a water pressing inlet penetrating through the frame, the rubber diaphragm and the filter cloth is formed in the middle of the bottom of the frame, the water pressing inlets are respectively communicated with inner cavities of the frames on two sides of the core plate, and a plurality of liquid outlets penetrating through the frame and the rubber diaphragm are formed in the frames;
when the two diaphragm plates are pressed together, the space for accommodating the filter cake between the adjacent middle parts of the two diaphragm plates is communicated with the material inlet and the liquid outlet and is isolated from the water pressing inlet.
By adopting the technical scheme, when filter pressing operation is required, the diaphragm plates are pressed together, and then slurry is introduced between every two adjacent diaphragm plates through the material inlet, so that the slurry exists in a space between the two middle parts for containing a filter cake, and the middle parts are attached to the core plate under the action of the slurry; then the squeezed water is sent into the inner cavities of the frames at the two sides of the core plate through the water squeezing inlet, the slurry between the two middle parts is squeezed by the two middle parts under the action of water pressure, the water is sent out through the liquid outlet after passing through the filter cloth, the filter cake is remained between the two middle parts, then the water is pumped out through the water squeezing inlet, then high-pressure air is introduced, and secondary squeezing is carried out through the air.
The utility model discloses further set up to: and the top of the frame is provided with an air back blowing port which penetrates through the frame, the rubber diaphragm and the filter cloth and is used for sending out back blowing air sent from the feeding port.
Through adopting above-mentioned technical scheme, after the water squeezes the entry and lets in highly-compressed air and carry out the secondary and squeeze, let in the air through the pan feeding mouth, the air is seen off through the blowback mouth after passing the filter cake, takes away partial moisture once more through the air flow.
The utility model discloses further set up to: the connecting part of the middle part and the connecting part is provided with an extending part which is arranged around the middle part, and the section of the extending part is arranged in a wave shape.
Through adopting above-mentioned technical scheme, through setting up the extension for the displacement distance of intermediate part for connecting portion increases, when the intermediate part that leads to is out displacement distance big less in the pan feeding volume, is difficult to the broken rubber diaphragm.
The utility model discloses further set up to: two mounting grooves are opened to the frame both sides, and connecting portion are close to frame one side fixedly connected with and imbed in the middle of the mounting groove and with the mounting bar of mounting groove mutually supporting.
The utility model discloses further set up to: the cross sections of the mounting grooves and the mounting strips are arranged in a dovetail shape.
The utility model discloses further set up to: the liquid outlet is provided with four, and four liquid outlets are located the position that the frame is close to the four corners respectively.
The utility model discloses further set up to: the distance between the middle part and the core plate is 15mm-20 mm.
To sum up, the utility model discloses compare and have following beneficial effect in prior art:
1. the utility model can realize the filter pressing operation of the materials only by arranging the diaphragm plate without independently arranging a filter plate;
2. the utility model is characterized in that after the water squeezing inlet is fed with high pressure air for secondary squeezing, air is fed through the feeding inlet, the air is sent out through the air back blowing port after passing through the filter cake, and partial water is taken away again through air flow;
3. the utility model discloses a set up the extension for the displacement distance of intermediate part for connecting portion increases, and the outside migration distance of intermediate part that leads to is little when big at the pan feeding volume, is difficult to the broken rubber diaphragm.
Drawings
FIG. 1 is a schematic view of the overall structure of the embodiment;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic view of a diaphragm plate of an embodiment.
In the figure: 1. a frame; 11. mounting grooves; 2. a core board; 3. a rubber diaphragm; 31. an intermediate portion; 32. a connecting portion; 33. an extension portion; 34. mounting a bar; 4. filtering cloth; 5. a feeding port; 6. a liquid outlet; 7. a water press inlet; 8. a reverse air blowing port; 10. a diaphragm plate.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following description, together with the drawings of the present invention, clearly and completely describes the technical solution of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without creative efforts shall all belong to the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustrating the present invention and not for limiting the present invention.
The present invention will be further described with reference to the accompanying drawings and preferred embodiments.
Example (b): a filter unit of a high-efficiency double-membrane filter press is disclosed, referring to the attached figures 1, 2 and 3, and comprises a plurality of membrane plates 10, and filter cakes are formed between two adjacent membrane plates 10; specifically, the diaphragm plate 10 comprises a frame 1, a core plate 2 fixedly connected in the frame 1, two rubber diaphragms 3 arranged at two sides of the frame 1, and two filter cloths 4 arranged at two sides of the rubber diaphragms 3; the rubber diaphragm 3 includes an intermediate portion 31 and a connecting portion 32 provided around the intermediate portion 31, the connecting portion 32 being connected to the frame 1; when two adjacent diaphragm plates 10 are pressed together, a space for accommodating a filter cake is formed between the intermediate portions 31 of the two adjacent diaphragm plates 10 which are close to each other. Specifically, a feeding port 5 which runs through the frame 1, the rubber diaphragm 3 and the filter cloth 4 is arranged at the middle position of the top of the frame 1, a water pressing inlet 7 which runs through the frame 1, the rubber diaphragm 3 and the filter cloth 4 is arranged at the middle position of the bottom of the frame 1, the water pressing inlet 7 is respectively communicated with the inner cavities of the frame 1 on two sides of the core plate 2, and a plurality of liquid outlets 6 which run through the frame 1 and the rubber diaphragm 3 are arranged on the frame 1. When the two diaphragm plates 10 are pressed together, the space between the adjacent middle parts 31 of the two diaphragm plates 10 for accommodating filter cakes is communicated with the feed inlet 5 and the liquid outlet 6 and is isolated from the water pressing inlet 7. Specifically, the outer side of the water squeezing inlet 7 is provided with a sealing ring integrally formed on the rubber diaphragm 3, and when the two diaphragm plates 10 are pressed together, the two sealing rings on the rubber diaphragm 3 which are attached to each other are pressed together, so that the water squeezing inlet 7 is isolated from the space between the two adjacent intermediate portions 31 for accommodating the filter cake.
When filter pressing operation is required, pressing a plurality of diaphragm plates 10 together, and then introducing slurry into a space between two adjacent diaphragm plates 10 through a material inlet 5, so that the slurry exists in a space between the two middle parts 31 for accommodating a filter cake, and the middle parts 31 are attached to the core plate 2 under the action of the slurry; then, the squeezed water is sent into the inner cavities of the frames 1 at the two sides of the core plate 2 through the water squeezing inlets 7, the two middle parts 31 squeeze slurry between the two middle parts 31 under the action of water pressure, the water is sent out through the liquid outlet 6 after passing through the filter cloth 4, filter cakes are remained between the two middle parts 31, then the water is pumped out through the water squeezing inlets 7, then high-pressure air is introduced, and secondary squeezing is carried out through the air.
Specifically, the top of the frame 1 is provided with an air back blowing port 8 penetrating through the frame 1, the rubber diaphragm 3 and the filter cloth 4, and the air back blowing port is used for sending out back blowing air fed from the feeding port 5. When the two diaphragm plates 10 are pressed together, the space between the adjacent middle parts 31 of the two diaphragm plates 10 for accommodating filter cakes is communicated with the blowback air ports 8.
After high-pressure air is introduced into the water squeezing inlet 7 for secondary squeezing, air is introduced through the material inlet 5, the air is sent out through the air back blowing opening 8 after passing through a filter cake, and partial water is taken away again through air flow.
Specifically, the junction between the intermediate portion 31 and the connecting portion 32 is provided with an extending portion 33 disposed around the intermediate portion 31, and the cross section of the extending portion 33 is disposed in a wave shape. By providing the extension portion 33, the displacement distance of the intermediate portion 31 with respect to the connecting portion 32 is increased, and when the outward movement distance of the intermediate portion 31 is large due to a small amount of the material, the rubber diaphragm 3 is not easily broken.
Specifically, two mounting grooves 11 are formed in two sides of the frame 1, and a mounting bar 34 which is embedded into the mounting grooves 11 and is matched with the mounting grooves 11 is fixedly connected to one side, close to the frame 1, of the connecting portion 32; the mounting groove 11 and the mounting bar 34 are arranged in a dovetail shape in cross section; the connection between the connection portion 32 and the frame 1 is more stable by providing the mounting bar 34 and the mounting groove 11.
Specifically, the frame 1 is set to be the rectangular frame 1, the liquid outlets 6 are four, and the four liquid outlets 6 are respectively located at positions, close to four corners, of the frame 1.
Specifically, the distance between the middle part 31 and the core plate 2 is set to be 15mm-20 mm.
The working principle of the filtering device of the high-efficiency double-membrane filter press when in use is as follows: when filter pressing operation is required, pressing a plurality of diaphragm plates 10 together, and then introducing slurry into a space between two adjacent diaphragm plates 10 through a material inlet 5, so that the slurry exists in a space between the two middle parts 31 for accommodating a filter cake, and the middle parts 31 are attached to the core plate 2 under the action of the slurry; then, squeezing water is sent into inner cavities of the frames 1 at two sides of the core plate 2 through the water squeezing inlets 7, under the action of water pressure, the two middle parts 31 squeeze slurry between the two middle parts 31, the water is sent out through the liquid outlet 6 after passing through the filter cloth 4, filter cakes are left between the two middle parts 31, then the water is pumped out through the water squeezing inlets 7, then high-pressure air is introduced, and secondary squeezing is carried out through the air; after the high-pressure air is squeezed for the second time, air is introduced through the material inlet 5, the air passes through the filter cake and then is sent out through the air back-blowing port 8, and partial water is taken away again through air flow; adjacent two membrane plates 10 are then separated, allowing the filter cake formed between the two membrane plates 10 to fall off.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a filter equipment of high-efficient two membrane filter presses which characterized in that: comprises a plurality of diaphragm plates (10), wherein a filter cake is formed between two adjacent diaphragm plates (10);
the diaphragm plate (10) comprises a frame (1), a core plate (2) fixedly connected in the frame (1), two rubber diaphragms (3) arranged at two sides of the frame (1) and two filter cloths (4) arranged at two sides of the rubber diaphragms (3); the rubber diaphragm (3) comprises a middle part (31) and a connecting part (32) arranged around the middle part (31), and the connecting part (32) is connected to the frame (1); when two adjacent diaphragm plates (10) are pressed together, a space for accommodating filter cakes is formed between the middle parts (31) close to each other on the two adjacent diaphragm plates (10);
a feeding port (5) penetrating through the frame (1), the rubber diaphragm (3) and the filter cloth (4) is formed in the middle of the top of the frame (1), a water pressing inlet (7) penetrating through the frame (1), the rubber diaphragm (3) and the filter cloth (4) is formed in the middle of the bottom of the frame (1), the water pressing inlet (7) is respectively communicated with inner cavities of the frame (1) on two sides of the core plate (2), and a plurality of liquid outlets (6) penetrating through the frame (1) and the rubber diaphragm (3) are formed in the frame (1);
when the two diaphragm plates (10) are pressed together, the space between the adjacent middle parts (31) of the two diaphragm plates (10) for containing filter cakes is communicated with the feed inlet (5) and the liquid outlet (6) and is isolated from the water squeezing inlet (7).
2. The filter unit of a high efficiency double membrane filter press according to claim 1, wherein: the top of the frame (1) is provided with a blowback air port (8) which penetrates through the frame (1), the rubber diaphragm (3) and the filter cloth (4) and is used for sending out blowback air sent from the feeding port (5).
3. The filter unit of a high efficiency double membrane filter press according to claim 2, wherein: an extension part (33) arranged around the middle part (31) is arranged at the joint of the middle part (31) and the connecting part (32), and the section of the extension part (33) is arranged in a wave shape.
4. The filter unit of a high efficiency double membrane filter press according to claim 3, wherein: two mounting grooves (11) have been seted up to frame (1) both sides, connecting portion (32) are close to frame (1) one side fixedly connected with and are embedded in the middle of mounting groove (11) and with mounting groove (11) installation strip (34) of mutually supporting.
5. The filter unit of a high efficiency double membrane filter press according to claim 4, wherein: the cross sections of the mounting groove (11) and the mounting bar (34) are arranged in a dovetail shape.
6. The filter unit of a high efficiency double membrane filter press according to claim 5, wherein: the number of the liquid outlets (6) is four, and the four liquid outlets (6) are respectively positioned at the positions, close to four corners, of the frame (1).
7. The filter unit of a high efficiency double membrane filter press according to claim 1, wherein: the distance between the middle part (31) and the core plate (2) is 15mm-20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220104330.5U CN217220321U (en) | 2022-01-14 | 2022-01-14 | Filtering device of high-efficiency double-diaphragm filter press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220104330.5U CN217220321U (en) | 2022-01-14 | 2022-01-14 | Filtering device of high-efficiency double-diaphragm filter press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217220321U true CN217220321U (en) | 2022-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220104330.5U Active CN217220321U (en) | 2022-01-14 | 2022-01-14 | Filtering device of high-efficiency double-diaphragm filter press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217220321U (en) |
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- 2022-01-14 CN CN202220104330.5U patent/CN217220321U/en active Active
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