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Filter with squeezing filtering bags

A filter machine and filter bag technology, applied in the direction of fixed filter element filter, filter separation, gravity filter, etc., can solve the problems of easily damaged rigid filter screen, high requirements, cumbersome filter work, etc., to reduce the need to replace the filter The effect of the number of bags, prolonging the filtration time, and avoiding the difficulty of cleaning

Inactive Publication Date: 2012-10-31
李连乐
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of this kind of equipment uses rigid filter material, such as stainless steel plate with micro-holes or stainless steel wire filter. The structure design is better in the cleaning and cleaning of the filter, but the work is cumbersome and the requirements are relatively high when replacing the filter. High, especially the use of scraper-type slag removal device is easy to damage the rigid filter screen; in addition, the follow-up treatment of the filter residue discharged from the sewage outlet is still not solved
[0006] None of the above types of filter bag filters can solve the contradiction between filtration and filter residues well, especially the fluid filter residues discharged from the sewage outlet increase the difficulty of subsequent treatment, and the assistance of subsequent treatment equipment is needed to Solve the problem of filter residue

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Embodiment 1: a kind of squeezing type filter bag filter (see Figure 1-Figure 3 ), which is especially suitable for filtering the turbid liquid that needs to be filtered with low solid content. It includes a cylinder body 1, the cylinder body 1 is connected with the upper head 2 and the lower head 3 through bolts 9 respectively, and the upper head 2 is provided with There is an exhaust port 6, the bottom of the lower head 3 is provided with a discharge port 5, the cylinder body 1 is provided with a feed port 4, a press medium outlet 8, a press medium inlet 7, an upper head 2, a lower head 3 and The cylinder body 1 forms the integral sealing structure of the filter. Cylinder body 1 is provided with at least one filter press device (the filter press device of this embodiment is 1, see figure 2 ), each filter press device includes an upper orifice plate 10 and a lower orifice plate 21, a rigid pipe 13 is connected between the upper orifice plate 10 and the lower orifice...

Embodiment 2

[0025] Embodiment 2: a kind of squeezing type filter bag filter (see Figure 4 , Figure 5 ), which can clean and regenerate the filter bag in time during the filtering process, prolonging the working time of the filter bag. It includes a cylinder 1, the upper and lower sides of the cylinder 1 are respectively connected with the upper head 2 and the lower head 3 by bolts 9, the upper head 2 is provided with an exhaust port 6, and the bottom of the lower head 3 is provided with a discharge port 5, The cylinder body 1 is provided with a feed inlet 4, a squeeze medium outlet 8, and a squeeze medium inlet 7. The upper head 2, the lower head 3 and the cylinder body 1 form an integral sealing structure of the filter. Cylinder body 1 is provided with at least one filter press device (the filter press device of the present embodiment is 1), and each filter press device all comprises upper orifice plate 10 and lower orifice plate 21, and upper orifice plate 10 and lower orifice plate ...

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Abstract

The invention discloses a filter with squeezing filtering bags. The filter comprises a barrel (1), an upper sealing head, a lower sealing head, an exhaust port (6), a feeding port, a discharging port, a squeezing media inlet and a squeezing media outlet and is characterized in that at least one filtering squeezing device is arranged in the barrel (1), a rigid pipe (13) provided with a through hole (16) is connected between an upper hole plate (10) and a lower hole plate (21) of each filtering squeezing device, a squeezing flow guide film (14) provided with the filtering bag (15) inside is connected into each rigid pipe (13) through an upper squeezing diversion film fixing part (11) and a lower squeezing diversion film fixing limit part (18) distributed with through holes, and an upper squeezing flow guide film limit part (12) distributed with through holes is arranged on the upper portion of each filtering squeezing device. The filter can automatically and continuously operate to perform cleaning of a filter screen and squeezing fluid exhaustion of filter slag in the filtering bags, squeezed filter slag dry cakes are retained in the filtering bags, the filtering bags are simple and convenient to replace, trouble of fluid-state filter slag pollution is avoided, and the filter is strong in applicability, large in unit area filtering amount of the filtering bags and low in operation cost.

Description

[0001] Technical field: [0002] The invention relates to a filter bag filter, in particular to a squeeze filter bag filter. technical background: [0003] The current filter bag filter mainly has the following types: [0004] 1. Single-bag or multi-bag filter, in the principle of filtration, the filter bag is fixed inside the open filter support tube, the liquid to be filtered enters from the inside of the filter bag, and the liquid filtered by the filter bag flows out of the filter bag , the particulate matter is trapped inside the filter bag, and the particulate matter together with the filter bag is taken out from the perforated filter support tube when the filter bag is replaced. At present, the single-bag and multi-bag filters are consistent in structure, but the filtration area and processing capacity of the equipment are increased by increasing the number of filter bags in the filter bag. This type of filter is troublesome when replacing the filter bag. First, t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D29/27B01D29/82B01D29/64
Inventor 李连乐
Owner 李连乐
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