CN212941660U - Plate and frame filter press - Google Patents
Plate and frame filter press Download PDFInfo
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- CN212941660U CN212941660U CN202021317073.0U CN202021317073U CN212941660U CN 212941660 U CN212941660 U CN 212941660U CN 202021317073 U CN202021317073 U CN 202021317073U CN 212941660 U CN212941660 U CN 212941660U
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Abstract
The utility model provides a plate and frame filter press, which comprises a frame, a filtering mechanism and a three-way valve, wherein the filtering mechanism is arranged on the frame, the filtering mechanism comprises a plurality of filter plates and filter cloth, the filter plates are arranged alternately to form a filter chamber, the three-way valve is provided with two inlets which are respectively communicated with a bright flow pipeline and a dark flow pipeline which are arranged on the filter chamber, and an outlet connected with a liquid discharge pipe, a valve core of the three-way valve is rotatablely arranged in a valve body, the outer wall of the valve core is jointed with the inner wall of the valve body and keeps sealed, a first flow passage and a second flow passage are arranged in the valve core, the bright flow pipeline is communicated with the dark flow pipeline through the first flow passage through the rotation of the valve core, or the bright flow pipeline is communicated with the liquid discharge pipe through the second flow passage, or the states that the bright flow pipeline, the dark flow pipeline and the liquid discharge pipe are all closed are realized, namely the seamless, the device has the advantages of simple structure, convenient installation, convenient operation and low cost.
Description
Technical Field
The utility model relates to a filtration equipment field, concretely relates to plate and frame filter press.
Background
The plate-frame filter press is an intermittent solid-liquid separation equipment, and is characterized by that the filter plates and filter frames are arranged to form filter chambers, under the action of pressure of material-conveying pump the material liquid is fed into every filter chamber, and the solid and liquid are separated by means of filter medium. The device is widely used for chemical industry, dye, petroleum, ceramics, pharmacy, sugar production, starch, paint, metallurgy, sewage treatment and the like, has the advantages of good separation effect, wide application range, simple operation, low investment and the like, and particularly has incomparable superiority to the separation of fine materials.
The filtrate outflow mode of the existing plate-and-frame filter press is divided into open flow and dark flow, and open flow filtration is that filtrate directly flows out from a liquid outlet hole on each filter plate; the dark flow filtration is that all the filtrate is merged and flows out, and the filtrate collection is closed.
For example, the utility model with application number 201520424971.9 discloses an improved plate and frame filter press, which realizes the filtrate outflow mode of open flow and closed flow by arranging a dual-purpose water nozzle, a open flow valve and a closed flow valve at the lower end edge of a filter chamber and by the switch cooperation of the open flow valve and the closed flow valve, the valve of the scheme has four states theoretically, namely, the open flow valve and the closed flow valve are both opened and closed, and one of the open flow valve and the closed flow valve is opened and the other is closed, certainly, the mode that the open flow valve and the closed flow valve are both opened cannot be adopted in the actual use process, namely, the scheme has a full-closed state for shutdown or maintenance and other conditions besides the open flow mode and the closed flow mode, but the scheme is provided with two valves, the cost is high, the installation is inconvenient, and the seamless switching between the open flow and the closed flow cannot be realized; still just disclose a novel plate and frame pressure filter as utility model patent application No. 201620225534.9, its filtrating outflow mode that adopts electric three-way valve to realize open flow and undercurrent, this scheme can realize the seamless switching of open flow and undercurrent, but the valve of this scheme does not possess the state of complete closure, can't carry out the shut down under the complete closure state and operation such as maintenance to, this scheme adopts electric three-way valve, and the structure is complicated, with high costs.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art's shortcoming, providing a simple structure, simple to operate, convenient operation, with low costs, can realize bright stream and hidden stream seamless handover's plate and frame pressure filter, the valve of plate and frame pressure filter has the state of closing completely, can carry out the shut down and operation such as maintenance under the full closed state.
In order to achieve the above object, the utility model adopts the technical scheme that a plate and frame filter press, include:
a frame;
the filtering mechanism is arranged on the rack and comprises a plurality of filtering plates and filtering cloth, the filtering plates are arranged on the rack, the filtering cloth covers the filtering plates, the filtering plates are alternately arranged to form a filtering chamber, the lower part of the filtering chamber is provided with a bright flow pipeline and a dark flow pipeline which extend outwards along the horizontal direction, the bright flow pipeline is parallel to the dark flow pipeline, and the bright flow pipeline is positioned above the dark flow pipeline;
the three-way valve is connected with the open flow pipeline and the dark flow pipeline and is provided with a first inlet, a second inlet and an outlet, the first inlet is connected with the open flow pipeline, the second inlet is connected with the dark flow pipeline, and the outlet is connected with a liquid discharge pipe extending downwards along the vertical direction;
the three-way valve is a manual three-way valve, the three-way valve comprises a valve body, a valve core and a handle, the valve core is rotatably arranged in the valve body, the rotation axis of the valve core is parallel to the horizontal plane and is vertical to the extending direction of the open flow pipeline, the outer wall of the valve core is attached to the inner wall of the valve body and keeps sealed, a first flow channel and a second flow channel are arranged inside the valve core, the first flow channel is provided with a first flow channel inlet and a first flow channel outlet which are arranged on the outer wall of the valve core, the second flow channel is provided with a second flow channel inlet and a second flow channel outlet which are arranged on the outer wall of the valve core, the handle is positioned outside the valve body, and the handle is used for driving the valve core to rotate;
the valve core is provided with three working positions which are a first working position, a second working position and a third working position respectively, when the valve core is positioned at the first working position, the inlet of the first flow channel is communicated with the first inlet, the outlet of the first flow channel is communicated with the outlet, and liquid in the open flow pipeline passes through the three-way valve and then flows out through the liquid discharge pipe; when the valve core is at a second working position, the inlet of the second flow passage is communicated with the first inlet, the outlet of the second flow passage is communicated with the second inlet, and liquid in the open flow pipeline flows back to the filter chamber from the dark flow pipeline after passing through the three-way valve; when the valve core is in a third working position, the outer wall of the valve core blocks the first inlet, the second inlet and the outlet, and the open flow pipeline, the closed flow pipeline and the liquid discharge pipe are all closed.
Preferably, the first flow passage and the second flow passage are respectively located on both sides of a rotational axis of the spool.
Further preferably, the first flow channel has two bends at 90 °.
Further preferably, the longitudinal section of the second flow channel is U-shaped.
Further preferably, the first flow passage and the second flow passage have the same inner diameter.
Preferably, the rotation angle of the valve core from the first working position to the second working position is equal to the rotation angle of the valve core from the second working position to the third working position.
Further preferably, the rotation angle of the valve core from the first working position to the second working position is 20-25 °.
Further preferably, the rotation angle of the spool from the first operating position to the second operating position is 22 °.
Further preferably, an end of the rotating shaft of the valve core penetrates through the valve body along an axial direction of the valve core and protrudes out of the surface of the valve body, and the end is connected with the handle.
Further preferably, the handle is rod-shaped, and the handle extends along the radial direction of the valve core.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the utility model provides a plate and frame filter press, which comprises a frame, a filtering mechanism and a three-way valve, wherein the filtering mechanism is arranged on the frame, the filtering mechanism comprises a plurality of filter plates and filter cloth, the filter plates are arranged alternately to form a filter chamber, the three-way valve is provided with two inlets which are respectively communicated with a bright flow pipeline and a dark flow pipeline which are arranged on the filter chamber, and an outlet connected with a liquid discharge pipe, a valve core of the three-way valve is rotatablely arranged in a valve body, the outer wall of the valve core is jointed with the inner wall of the valve body and keeps sealed, a first flow passage and a second flow passage are arranged in the valve core, the bright flow pipeline is communicated with the dark flow pipeline through the first flow passage through the rotation of the valve core, or the bright flow pipeline is communicated with the liquid discharge pipe through the second flow passage, or the states that the bright flow pipeline, the dark flow pipeline and the liquid discharge pipe are all closed are realized, namely the seamless, the device has the advantages of simple structure, convenient installation, convenient operation and low cost.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the cross-sectional view of the three-way valve of the present invention, and at this time, the valve core is located at the first working position.
Fig. 3 is the cross-sectional view of the three-way valve of the present invention, and at this time, the valve core is located at the second working position.
Fig. 4 is a schematic cross-sectional view of the three-way valve of the present invention, and at this time, the valve core is located at the third working position.
Wherein: 100. a frame; 200. a filtering mechanism; 201. filtering the plate; 202. a filtration chamber; 2021. an open flow conduit; 2022. a blind flow conduit; 300. a three-way valve; 301. a valve body; 302. a valve core; 3021. a first flow passage; 3021a. first flow channel inlet; 3021b. a first flow channel outlet; 3021C, bending; 3022. a second flow passage; 3022a. second flow channel inlet; 3022B, a second flow channel outlet; 3023. a rotating shaft; 303. a first inlet; 304. a second inlet; 305. an outlet; 3051. a liquid discharge pipe; 306. a handle.
Detailed Description
The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to more easily understand the advantages and features of the present invention, and to make clear and definite definitions of the protection scope of the present invention.
The invention will be further described with reference to examples of embodiments shown in the drawings.
As shown in fig. 1-4, the present invention provides a plate and frame filter press, comprising: frame 100, filter mechanism 200 and three-way valve 300, wherein, filter mechanism 200 sets up in frame 100, and filter mechanism 200 includes a plurality of filter plates 201 and filter cloth, and filter plate 201 sets up in frame 100, and the filter cloth cladding is on filter plate 201, and filter mechanism 200's detailed structure, the mode of setting up in frame 100 and filter mechanism 200's filtration mode all belong to prior art, also not the utility model discloses a does not describe herein again.
The filter plates 201 are alternately arranged to form a filter chamber 202, the lower edge of the filter chamber 202 is provided with a bright flow pipeline 2021 and a dark flow pipeline 2022 which extend outwards along the horizontal direction, the bright flow pipeline 2021 is parallel to the dark flow pipeline 2022, and the bright flow pipeline 2021 is positioned above the dark flow pipeline 2022.
The three-way valve 300 is connected with the open flow pipe 2021 and the closed flow pipe 2022, and specifically, the three-way valve 300 has a first inlet 303, a second inlet 304 and an outlet 305, the first inlet 303 is connected with the open flow pipe 2021, the second inlet 304 is connected with the closed flow pipe 2022, and a drain 3051 extending downward in the vertical direction is connected at the outlet 305.
In this embodiment, the three-way valve 300 is a manual three-way valve, the three-way valve 300 further includes a valve body 301, a valve core 302 and a handle 306, wherein the valve core 302 is rotatably disposed in the valve body 301, a rotation axis of the valve core 302 is parallel to a horizontal plane and perpendicular to an extending direction of the open flow conduit 2021, an outer wall of the valve core 302 is engaged with an inner wall of the valve body 301 and is kept sealed by a conventional mechanical sealing method, a specific structure thereof belongs to the prior art, and is not described herein again, a first flow passage 3021 and a second flow passage 3022 are disposed inside the valve core 302, the first flow passage 3021 has a first flow passage inlet 3021A and a first flow passage outlet 3021B opened on an outer wall of the valve core 302, the second flow passage 3022 has a second flow passage inlet 3022A and a second flow passage outlet 3022B opened on an outer wall of the valve core 302, the valve core 302 can be manufactured by being connected as a whole or directly cast after being processed, are all prior art, and no longer repeated here, handle 306 is located the outside of valve body 301, and handle 306 is used for driving case 302 to rotate.
The valve core 302 has three working positions, namely a first working position, a second working position and a third working position, as shown in fig. 2-4, when the valve core 302 is in the first working position, the first flow channel inlet port 3021A is communicated with the first inlet port 303, the first flow channel outlet port 3021B is communicated with the outlet port 305, and the liquid in the open flow channel 2021 passes through the three-way valve 300 and then flows out through the liquid discharge pipe 3051; when the valve core 302 is at the second working position, the second flow passage inlet port 3022A is communicated with the first inlet port 303, the second flow passage outlet port 3022B is communicated with the second inlet port 304, and the liquid in the open flow pipe 2021 flows back to the filter chamber 202 from the dark flow pipe 2022 through the three-way valve 300; when the valve core 302 is in the third working position, the outer wall of the valve core 302 blocks the first inlet 303, the second inlet 304 and the outlet 305, so that the open flow pipe 2021, the closed flow pipe 2022 and the drain pipe 3051 are all closed.
In the present embodiment, in order to make the structure simple and compact, the first flow passage 3021 and the second flow passage 3022 are respectively located on both sides of the rotation shaft 3023 of the valve body 302, wherein the first flow passage 3021 has two bent portions 3021C at 90 °, the second flow passage 3022 has a U-shaped longitudinal section, and the inner diameters of the first flow passage 3021 and the second flow passage 3022 are equal.
The rotation angle of the valve body 302 from the first operating position to the second operating position is equal to the rotation angle of the valve body 302 from the second operating position to the third operating position, which is too small to facilitate the arrangement of the first flow passage 3021 and the second flow passage 3022, and which is too large to make the first flow passage 3021 and the second flow passage 3022 not intersect, and is preferably 20 ° to 25 °, and in the present embodiment, the rotation angle is 22 °.
In order to facilitate the connection between the handle 306 and the valve core 302, so that the handle 306 can drive the valve core 302 to rotate, an end of the rotating shaft 3023 of the valve core 302 penetrates the valve body 301 along the axial direction of the valve core 302 and protrudes out of the surface of the valve body 301, the end is connected with one end of the handle 306, the handle 306 is rod-shaped, and the other end of the handle 306 extends along the radial direction of the valve core 302.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the utility model provides a plate and frame filter press, which comprises a frame, a filtering mechanism and a three-way valve, wherein the filtering mechanism is arranged on the frame, the filtering mechanism comprises a plurality of filter plates and filter cloth, the filter plates are arranged alternately to form a filter chamber, the three-way valve is provided with two inlets which are respectively communicated with a bright flow pipeline and a dark flow pipeline which are arranged on the filter chamber, and an outlet connected with a liquid discharge pipe, a valve core of the three-way valve is rotatablely arranged in a valve body, the outer wall of the valve core is jointed with the inner wall of the valve body and keeps sealed, a first flow passage and a second flow passage are arranged in the valve core, the bright flow pipeline is communicated with the dark flow pipeline through the first flow passage through the rotation of the valve core, or the bright flow pipeline is communicated with the liquid discharge pipe through the second flow passage, or the states that the bright flow pipeline, the dark flow pipeline and the liquid discharge pipe are all closed are realized, namely the seamless, the device has the advantages of simple structure, convenient installation, convenient operation and low cost.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. A plate and frame filter press comprising:
a frame;
the filtering mechanism is arranged on the rack and comprises a plurality of filter plates and filter cloth, the filter plates are coated with the filter cloth, the filter plates are alternately arranged to form a filter chamber, the lower part of the filter chamber is provided with a bright flow pipeline and a dark flow pipeline which extend outwards along the horizontal direction, the bright flow pipeline is parallel to the dark flow pipeline, and the bright flow pipeline is positioned above the dark flow pipeline;
the three-way valve is connected with the open flow pipeline and the dark flow pipeline and is provided with a first inlet, a second inlet and an outlet, the first inlet is connected with the open flow pipeline, the second inlet is connected with the dark flow pipeline, and the outlet is connected with a liquid discharge pipe extending downwards along the vertical direction;
the method is characterized in that:
the three-way valve is a manual three-way valve, the three-way valve comprises a valve body, a valve core and a handle, the valve core is rotatably arranged in the valve body, the rotation axis of the valve core is parallel to the horizontal plane and is vertical to the extending direction of the open flow pipeline, the outer wall of the valve core is attached to the inner wall of the valve body and keeps sealed, a first flow channel and a second flow channel are arranged inside the valve core, the first flow channel is provided with a first flow channel inlet and a first flow channel outlet which are arranged on the outer wall of the valve core, the second flow channel is provided with a second flow channel inlet and a second flow channel outlet which are arranged on the outer wall of the valve core, the handle is positioned outside the valve body, and the handle is used for driving the valve core to rotate;
the valve core is provided with three working positions which are a first working position, a second working position and a third working position respectively, when the valve core is positioned at the first working position, the inlet of the first flow channel is communicated with the first inlet, the outlet of the first flow channel is communicated with the outlet, and liquid in the open flow pipeline passes through the three-way valve and then flows out through the liquid discharge pipe; when the valve core is at a second working position, the inlet of the second flow passage is communicated with the first inlet, the outlet of the second flow passage is communicated with the second inlet, and liquid in the open flow pipeline flows back to the filter chamber from the dark flow pipeline after passing through the three-way valve; when the valve core is in a third working position, the outer wall of the valve core blocks the first inlet, the second inlet and the outlet, and the open flow pipeline, the closed flow pipeline and the liquid discharge pipe are all closed.
2. The plate and frame filter press of claim 1, wherein: the first flow passage and the second flow passage are respectively positioned on two sides of a rotating axis of the valve core.
3. The plate and frame filter press of claim 2, wherein: the first flow channel has two 90-degree bending parts.
4. The plate and frame filter press of claim 2, wherein: the longitudinal section of the second flow channel is U-shaped.
5. The plate and frame filter press of claim 2, wherein: the first flow passage and the second flow passage have the same inner diameter.
6. The plate and frame filter press of claim 1, wherein: the rotation angle of the valve core from the first working position to the second working position is equal to the rotation angle of the valve core from the second working position to the third working position.
7. The plate and frame filter press of claim 6, wherein: the rotation angle of the valve core from the first working position to the second working position is 20-25 degrees.
8. The plate and frame filter press of claim 7, wherein: the rotation angle of the valve core from the first working position to the second working position is 22 degrees.
9. The plate and frame filter press of any one of claims 1-8, wherein: the end part of the rotating shaft of the valve core penetrates through the valve body along the axial direction of the valve core and protrudes out of the surface of the valve body, and the end part is connected with the handle.
10. The plate and frame filter press of claim 9, wherein: the handle is rod-shaped and extends along the radial direction of the valve core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021317073.0U CN212941660U (en) | 2020-07-07 | 2020-07-07 | Plate and frame filter press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021317073.0U CN212941660U (en) | 2020-07-07 | 2020-07-07 | Plate and frame filter press |
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| Publication Number | Publication Date |
|---|---|
| CN212941660U true CN212941660U (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021317073.0U Active CN212941660U (en) | 2020-07-07 | 2020-07-07 | Plate and frame filter press |
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| CN (1) | CN212941660U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115121017A (en) * | 2021-10-21 | 2022-09-30 | 杭州科百特过滤器材有限公司 | Clamp for filtering unit, filtering device and operation method |
-
2020
- 2020-07-07 CN CN202021317073.0U patent/CN212941660U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115121017A (en) * | 2021-10-21 | 2022-09-30 | 杭州科百特过滤器材有限公司 | Clamp for filtering unit, filtering device and operation method |
| CN115121017B (en) * | 2021-10-21 | 2024-02-23 | 杭州科百特过滤器材有限公司 | Clamp for filter unit, filter device and operation method |
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