CN215538701U - Split type high-pressure diaphragm filter plate filter press - Google Patents
Split type high-pressure diaphragm filter plate filter press Download PDFInfo
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- CN215538701U CN215538701U CN202121273469.4U CN202121273469U CN215538701U CN 215538701 U CN215538701 U CN 215538701U CN 202121273469 U CN202121273469 U CN 202121273469U CN 215538701 U CN215538701 U CN 215538701U
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Abstract
The utility model relates to a split type high-pressure diaphragm filter plate filter press, which comprises a plurality of filter plates which are sequentially arranged and pressed, wherein composite diaphragms on two sides of the filter plates form diaphragm cavities, the diaphragm cavities are externally connected with a high-pressure medium conveying device through a medium channel on the filter plates, the high-pressure medium conveying device comprises a conveying pipe, a compressed air inlet pipe, a liquid inlet pipe and a liquid outlet pipe are externally connected onto the conveying pipe through a four-way valve, an exhaust valve is arranged on the compressed air inlet pipe, the liquid inlet pipe is connected into the oil tank or the water tank through a pump, and the liquid outlet pipe is connected back to the oil tank or the water tank. Simple structure, the high pressure of the relative diaphragm of the same group of difference control is suppressed, ensures that whole dehydration rate is unanimous, compromises filter plate life simultaneously.
Description
Technical Field
The utility model relates to a filter press, in particular to a split type high-pressure diaphragm filter plate filter press.
Background
The existing diaphragm filter plate filter press adopts a middle opening hole to feed into a filter pressing cavity, and a medium is fed into the diaphragm cavity of a diaphragm filter plate to enable the diaphragm to expand, so that the filter pressing cavity is compressed, but the diaphragm cavity of the diaphragm filter plate adopts a mode that liquid or gas is pumped through an inlet hole on the filter plate from the front to the back in sequence, the mode that the diaphragm cavity is conveyed from the front to the back in sequence has the problems that the expansion pressure of the front diaphragm is large, the expansion pressure of the rear diaphragm is too small, the dehydration rate of the front filter plate and the dehydration rate of the rear filter plate are different greatly, the dehydration rate of the final filter plate is ensured to meet the requirements if the pressure is forcibly increased, the front filter plate is easy to overload due to pressure, and the service life is influenced.
Disclosure of Invention
The utility model provides a split type high-pressure diaphragm filter plate filter press which is simple in structure, can respectively control the high-pressure pressurizing of the same group of opposite diaphragms, ensures the consistency of the integral dehydration rate and simultaneously gives consideration to the service life of a filter plate.
The technical scheme adopted by the utility model is as follows: the utility model provides a split type high pressure diaphragm filter plate pressure filter, includes a plurality of filter plates of arranging the crimping in proper order, and the compound diaphragm in filter plate both sides forms diaphragm chamber, its characterized in that: the diaphragm cavity is externally connected with a high-pressure medium conveying device through a medium channel on the filter plate, the high-pressure medium conveying device comprises a conveying pipe, a compressed air inlet pipe, a liquid inlet pipe and a liquid outlet pipe are externally connected to the conveying pipe through a four-way valve, an exhaust valve is arranged on the compressed air inlet pipe, the liquid inlet pipe is connected to an oil tank or a water tank through a pump, and the liquid outlet pipe is connected to the oil tank or the water tank.
Furthermore, two opposite diaphragm cavities on adjacent filter plates are connected with a high-pressure medium conveying device.
Furthermore, the compressed air inlet pipes corresponding to the diaphragm cavities are connected with an air main pipe through a balance valve, the air main pipe is provided with a pressure sensor, and the pressure sensor is connected with an air compressor externally connected with the air main pipe.
Furthermore, liquid inlet pipes corresponding to the diaphragm chambers are connected with a liquid main pipe through a balance valve, and the liquid main pipe is connected with an oil tank or a water tank through a pump.
When in filter pressing operation, two adjacent filter plates are connected in a compression joint mode, an air pressure or hydraulic pressure swelling diaphragm can be selected, when the air pressure acts, the four-way valve is switched and communicated with the compressed air inlet pipe and the conveying pipe, diaphragm cavities of two adjacent filter plates opposite to the diaphragm are connected with the high-pressure medium conveying device in a common mode to supply air, the air supply can independently supply air to the diaphragm cavities of two adjacent filter plates opposite to the diaphragm through the compressed air inlet pipe and the four-way valve or the conveying pipe or through the air main pipe and the balance valve, the compressed air inlet pipe and the four-way valve and the conveying pipe to uniformly balance pressure and supply air, and only the exhaust valve needs to be opened when exhausting; when the hydraulic pressure is acted, the diaphragm cavities of the two adjacent filter plates are connected with a high-pressure medium conveying device in common to convey liquid, the four-way valve is switched to communicate the liquid inlet pipe and the conveying pipe, the liquid can be independently conveyed to the diaphragm cavities of the two adjacent filter plates, the diaphragm cavities of the two adjacent filter plates are uniformly balanced in pressure and liquid inlet through the liquid inlet pipe and the four-way valve and the conveying pipe or through the liquid main pipe and the balance valve and the liquid inlet pipe, the four-way valve and the conveying pipe, and then the liquid is discharged through the conveying pipe and the liquid outlet pipe for pressure relief through the four-way valve switching. The high-pressure pressurizing of the same group of opposite membranes is respectively controlled, so that the consistency of the whole dehydration rate is ensured, and the influence on the service life of the filter plate caused by the increase of the pressure on the front part of the front and the rear pressure feeding parts is avoided.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
In the figure: the device comprises a filter plate 1, a diaphragm 2, a diaphragm cavity 3, a medium channel 4, a delivery pipe 5, a four-way valve 6, a compressed air inlet pipe 7, a liquid inlet pipe 8, a liquid outlet pipe 9, an exhaust valve 10, a pump 11, an air inlet balance valve 12, a pressure sensor 13, an air main pipe 14, a liquid inlet balance valve 15, a liquid main pipe 16 and a liquid outlet pipe 17.
Detailed Description
The utility model is further illustrated by the following figures and examples.
Fig. 1 shows a first embodiment: the utility model provides a split type high pressure diaphragm filter press, filter plate 1 including a plurality of crimping of arranging in proper order, the compound diaphragm 2 in filter plate 1 both sides forms diaphragm chamber 3, the diaphragm chamber 3 of the relative diaphragm of two adjacent filter plates 1 connects conveyer pipe 5 through medium passageway 4 on the filter plate respectively, on the conveyer pipe 5 through the external compressed air of four-way valve 6 advance the pipe 7, liquid advances pipe 8 and liquid exit tube 9, compressed air advances to be equipped with discharge valve 10 on managing, liquid advances to manage and is put into by oil tank or water tank through pump 11 access, the liquid exit tube connects return oil tank or water tank. In the embodiment, the diaphragm cavities of two opposite diaphragms between every two adjacent filter plates are independently pressurized through the same conveying pipe.
Example two shown in fig. 2: a split type high-pressure diaphragm filter plate filter press comprises a plurality of filter plates 1 which are sequentially arranged and pressed, composite diaphragms 2 on two sides of the filter plates 1 form diaphragm cavities 3, the diaphragm cavities 3 of the opposite diaphragms of two adjacent filter plates 1 are commonly connected with a conveying pipe 5 through respective filter plate upper medium channels 4, and the conveying pipe 5 is externally connected with a compressed air inlet pipe 7, a liquid inlet pipe 8 and a liquid outlet pipe 9 through a four-way valve 6; the compressed air inlet pipes 9 are connected with an air main pipe 14 through an air inlet balance valve 12, the air main pipe is provided with a pressure sensor 13, and the pressure sensor is connected with an air compressor externally connected with the air main pipe; the liquid inlet pipes 8 are connected with a liquid main pipe 16 through a liquid inlet balance valve 15, the liquid main pipe is connected with an oil tank or a water tank through a pump, and the liquid outlet pipes 9 are connected with a liquid outlet pipe 17 in common.
Claims (4)
1. The utility model provides a split type high pressure diaphragm filter plate pressure filter, includes a plurality of filter plates of arranging the crimping in proper order, and the compound diaphragm in filter plate both sides forms diaphragm chamber, its characterized in that: the diaphragm cavity is externally connected with a high-pressure medium conveying device through a medium channel on the filter plate, the high-pressure medium conveying device comprises a conveying pipe, a compressed air inlet pipe, a liquid inlet pipe and a liquid outlet pipe are externally connected to the conveying pipe through a four-way valve, an exhaust valve is arranged on the compressed air inlet pipe, the liquid inlet pipe is connected to an oil tank or a water tank through a pump, and the liquid outlet pipe is connected to the oil tank or the water tank.
2. The split high pressure membrane filter press of claim 1, wherein: two opposite diaphragm cavities on adjacent filter plates are connected with a high-pressure medium conveying device.
3. The split high pressure membrane filter press of claim 1, wherein: the compressed air inlet pipes corresponding to the diaphragm cavities are connected with an air main pipe through a balance valve, the air main pipe is provided with a pressure sensor, and the pressure sensor is connected with an air compressor externally connected with the air main pipe.
4. The split high pressure membrane filter press of claim 1, wherein: the liquid inlet pipes corresponding to the diaphragm cavities are connected with a liquid main pipe through a balance valve, and the liquid main pipe is connected with an oil tank or a water tank through a pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121273469.4U CN215538701U (en) | 2021-06-08 | 2021-06-08 | Split type high-pressure diaphragm filter plate filter press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121273469.4U CN215538701U (en) | 2021-06-08 | 2021-06-08 | Split type high-pressure diaphragm filter plate filter press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215538701U true CN215538701U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121273469.4U Active CN215538701U (en) | 2021-06-08 | 2021-06-08 | Split type high-pressure diaphragm filter plate filter press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215538701U (en) |
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2021
- 2021-06-08 CN CN202121273469.4U patent/CN215538701U/en active Active
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