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Filter candle and filter method

A technology of filter candles and filter tubes, which is applied in the direction of filtration separation, separation methods, chemical instruments and methods, etc. It can solve the problems of bulky filter heads, affecting the flow and turbidity of filtrates, and difficulty in lifting, so as to achieve a firm overall structure , light weight, low cost effect

Inactive Publication Date: 2012-10-31
HANGZHOU XINGYUAN FILTER TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The filter elements used in the candle filter are filter candle sticks. At present, most of the candle filters produced at home and abroad use flat spring spiral candle columns with adjustable gaps. During use, they need to be cleaned and adjusted frequently, and spiral The gap between the candlesticks varies in size, which affects the flow and turbidity of the filtrate. At the same time, because the filter head of this type of machine is heavy, it is difficult to lift when cleaning.

Method used

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  • Filter candle and filter method
  • Filter candle and filter method
  • Filter candle and filter method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Embodiment 1: with reference to attached Figure 1-4 . A filtering candle tube, which consists of a candle tube connecting head 1, a candle tube 2, a candle tube filter cloth cover 3, a candle tube connecting head 4, a sealing ring 5, a double steel wire clamp 6, a counterweight steel rod 6, and a counterweight outer sleeve 7. Candle tube tail welding block 8 and candle tube positioning rod connecting block 9 are formed. Candle tube joint 1, Unicom head 4 and candle tube 2 are hot-melt welded; Unicom head 4, tail solder block 8 and outer casing 7 are hot-melt welded; tail solder block 8 and positioning rod joint block 9 It is composed of bolt connection. The connection and sealing between the candle tube 2 and the filter cloth cover 3 is realized through the sealing ring 5 and the clamp 6. The candle tube 2 is composed of six filter tubes in contact with each other and is shaped like a seven-hole quincunx. Ribs 11 are arranged on the outer side of the filter tube, an...

Embodiment 2

[0013] Embodiment 2: On the basis of embodiment 1, a kind of filtration method of filter candle tube, in pressurized filtration process, liquid passes through filter cloth from the outside of filter element, and the solid particle in liquid is collected on the surface of filter cloth , forming a uniform layer of filter cake for bridging filtration, because the shape of the filter element is concave and convex, and there is a certain pressure difference inside and outside the tube, so the filter cake always adheres to the surface of the filter candle tube, and the filtrated clear liquid passes through Six concentric filter tubes flow down, then gather at the bottom and enter the central tube, flow upstream, and finally reach the top collecting tube, and discharge the closed pressurized container through the external tube; when unloading the cake, use the impact of the reverse air flow to adhere to the The filter cake on the surface of the filter cloth can fall off; when the filt...

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PUM

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Abstract

The invention relates to a filter candle which has a simple and novel structure and particularly performs solid-liquid separation aiming at severe environments such as a strong corrosion environment and the like and a filter method. A candle connecting head, a communicating head and a candle are welded by hot melting; the communicating head, a tail welding block and an outer bushing are welded byhot melting; the tail welding block is connected with a positioning rod connecting block by using a bolt; and the candle and a filtering cloth sleeve are connected and sealed through a seal ring and a hoop. The invention has the advantages that: 1, the filter candle has a novel, unique and simple structure; 2, the filter candle has light weight and high strength, is low in cost and can perform the solid-liquid separation under the severe environments such as the strong corrosion environment and the like due to the adoption of a corrosion-resistant plastic material; 3, the filter candle has a firm integral structure and long service life; and 4, a filter cake is convenient to disassemble.

Description

technical field [0001] The invention relates to a simple and novel filter candle tube and a filter method for solid-liquid separation in harsh environments such as strong corrosion, and belongs to the field of airtight pressurized filter manufacturing. Background technique [0002] There are many types of filters, including centrifugal, vacuum, membrane filtration and other types. Although these types of filters have their own characteristics, they are widely used in brewing, beverage, medicine, chemical industry, environmental protection and other industries because of their simple structure, long service life and good filtering effect. The filter elements used in the candle filter are filter candle sticks. At present, most of the candle filters produced at home and abroad use flat spring spiral candle columns with adjustable gaps. During use, they need to be cleaned and adjusted frequently, and spiral The size of the gap between the candlesticks is different, which affect...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D29/33B01D29/54B01D29/64
Inventor 张景周志根倪国炳贾哲董显维
Owner HANGZHOU XINGYUAN FILTER TECH