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Air chamber-type press filter-used diaphragm plate

A box-type filter press, diaphragm plate technology, applied in filtration and separation, separation methods, chemical instruments and methods, etc., can solve the problems of poor sealing performance, shortened product service life, poor corrosion resistance, etc., to ensure sealing performance, Long service life and good corrosion resistance

Inactive Publication Date: 2010-06-23
杭州余杭新兴过滤机厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The disadvantages of the above-mentioned background technology: one is that the material of the diaphragm does not meet the requirements of the food hygiene industry, especially in the production of wine, whether it is a rubber diaphragm, a composite rubber diaphragm, or a PP diaphragm, it directly affects the taste of the wine. Adverse effects; the second is that due to the poor elasticity of the rubber diaphragm, composite rubber diaphragm, and PP diaphragm itself, not only the sealing performance between the supporting plate core is poor, but also the sealing performance between the filter plate and the filter plate is poor. In order to achieve a reliable seal between the diaphragm and the plate core, and between the diaphragm and the filter plate, many technical solutions have been adopted, but due to the lack of flatness and proper Elasticity, the result is often unsatisfactory, and reliable sealing is still not achieved, resulting in shortened product life and early scrapping; third, due to the poor flexibility and corrosion resistance of rubber diaphragms, composite rubber diaphragms, and PP diaphragms, in actual During use, the material corrodes the diaphragm, causing the diaphragm to harden in a short period of time. Once the diaphragm becomes hard, it will cause cracks on the surface of the tympanic membrane and be scrapped. Fourth, due to the lack of positioning bosses between the diaphragm and the filter plate, the pressure filter During the process, the extrusion deformation between the filter plate and the diaphragm is often caused, which not only directly affects its sealing performance, but also easily breaks the diaphragm; fifth, the air channel is an external structure, which is not only consumable, but also has a complex structure and is easy to error occured

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Embodiment 1: with reference to attached image 3 . Diaphragm for air chamber filter press, which includes diaphragm, means that on the basis of the existing diaphragm, the diaphragm is a sheet-shaped silica gel diaphragm 1 and the back of the four corners of the sheet-shaped silica gel diaphragm 1 is provided with a convex platform type liquid outlet 5 and a convex The table-type washing liquid channel 2 is provided with a convex table-type air channel 3 between the convex table-type washing liquid channel 2 and the convex table-type washing liquid channel 2 . There are one or more boss-type air passages 2 in the sheet-shaped silica gel diaphragm 1 and they are located on the sealing surface of the sheet-shaped silica gel diaphragm. There is no wrapping around the sheet-shaped silica gel diaphragm 1 . The center of the sheet-shaped silica gel diaphragm is the feeding port 19.

Embodiment 2

[0022] Embodiment 2: with reference to attached Figure 7 with 8 . Diaphragm for an air box filter press, which includes a diaphragm, and is characterized in that: a high-strength cloth 20 or mesh cloth or net is built around the feed port 19 and the liquid outlet 4 of the sheet-shaped silica gel diaphragm 1, or it is connected with a plate Core 6, boss 7, opposite sheet-shaped silica gel diaphragm, is equipped with high-strength cloth 21 or mesh cloth or net, or the feeding port 19 and liquid outlet 4 of the sheet-shaped silica gel diaphragm 1 are surrounded by built-in high-strength cloth 20 or Mesh cloth or net, the sheet-shaped silica gel diaphragm opposite with board core surface 6 bosses 7 faces are equipped with high-strength cloth 21 or mesh cloth or net.

Embodiment 3

[0023] Embodiment 3: with reference to attached Figure 4 . The plate core for the air box filter press, which includes the plate core, means that on the basis of the existing plate core, the sealing surface of the plate core 6 has air holes 9 and communicates with the core chamber 10 of the plate core 6 ( Have channel 14), plate core 6 is provided with convex platform type washing solution channel 2, convex platform type liquid outlet channel 5, the core surface of plate core 6 is provided with three or more than three convex platforms 7 and convex platform 7 is distributed on plate core 6 around the liquid inlet. The core sealing surface 11 in the core 6 is lower than the surface of the boss 7 and can take any value within the range of 2-6mm including the end value. There are no bumps on the core surface of the core 6 .

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PUM

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Abstract

The invention relates to an air chamber-type press filter-used diaphragm plate, which comprises a diaphragm plate, wherein the diaphragm in the diaphragm plate is of the flaky silicon gel diaphragm; the back surfaces of the four corners of the flaky silicon gel diaphragm are provided with a boss-type liquid out passage and a boss-type liquid washing passage; a boss-type air passage is arranged between the boss-type liquid out passage and the boss-type liquid washing passage; a sealing surface of a plate core of the diaphragm plate is provided with an air hole that is communicated with a core cavity of the plate core; the plate core is provided with a boss-type liquid washing passage and a boss-type liquid out passage; the core surface of the plate core is provided with three or more than three bosses that are distributed around a liquid inlet of the plate core; and the boss-type liquid out passage, the boss-type liquid washing passage and the boss-type air passage are respectively spliced and matched with a liquid outlet, a liquid washing hole and the air hole that are arranged on the surface of the plate core. The air chamber-type press filter-used diaphragm plate has the advantages that: 1, the adverse effect to the mouthfeel of wine can not be caused; 2, the sealing is reliable, and the corrosion resistance is good; 3, the extrusion deformation between a filter plate and the diaphragm can be avoided, and the diaphragm can be prevented from being broken due to the extrusion; 4, the hidden air passage can not consume material and does not have trouble.

Description

technical field [0001] The invention relates to a diaphragm plate for an air box filter press which has good elasticity, does not make the diaphragm hard and brittle, and has the function of embossing a convex liquid outlet hole and an air hole, and belongs to the field of diaphragm plate manufacturing. Background technique [0002] CN2552579Y, name "diaphragm filter press converted from ordinary air chamber filter press", replaces the filter plate on the ordinary air chamber filter press with the filter plate spaced by the filter plate with diaphragm on both sides with air-filled holes on the side , Install a compressed air main pipe with branches equal to the number of diaphragm filter plates along the side of the air filling hole, and use high-pressure hoses to connect the air filling holes on the diaphragm filter plate with the branch pipes on the compressed air main pipe one by one , according to more economical and practical means, the advanced membrane filter press te...

Claims

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Application Information

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IPC IPC(8): B01D25/12
Inventor 杨金荣
Owner 杭州余杭新兴过滤机厂
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