Filter disc device of horizontal filter

Abstract

The invention relates to a filter disc device of a horizontal filter. The filter disc device comprises filter cloth, a filter screen, a filter screen support, a filter cone, a connecting pipe, a filter disc steel framework and a connecting device. The filter cloth is installed above the filter screen, the filter screen is connected below the filter screen in a supporting mode, the filter cone is connected with the filter screen in a supporting mode, the connecting pipe is installed in the middle of the filter cone, and the filter disc steel framework is connected with the filter cone through the connecting device. Compared with the prior art, the filter disc is formed by combining a non-metal material and a metal material; the filter disc device has the characteristics of high corrosion resistance of a non-metal material and large bearing capacity of a metal material, and the surface energy of the filter cone made of the non-metal material is lower, and the risk of scaling on the surface of the filter cone is lower, so that the filter is more convenient to clean and maintain, and the driving rate of the filter is higher; and the filter disc is higher in cost performance and stronger in corrosion resistance by being compared with a traditional filter disc.

Description

technical field [0001] The invention relates to the technical field of filter disc filtration, in particular to a filter disc device of a horizontal filter machine. Background technique [0002] Since the filter disc device is generally made of metal materials, according to the degree of corrosion of the medium, the filter disc device needs to select the corresponding corrosion-resistant stainless steel material such as ferrite, austenite, super austenite, titanium, Hastelloy Alloy etc. Due to the high price of titanium and Hastelloy materials, the cost performance of the filter made therefrom will be low. Especially in severe corrosion conditions such as high-temperature dilute sulfuric acid and high-temperature dilute hydrochloric acid, there may even be no suitable metal material for selection. At this time, equipment such as rotary disc filter and turning disc filter will be greatly restricted due to the problem of material selection. [0003] The surface of the filte...

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Problems solved by technology

[0003] The surface of the filter bucket made of stainless steel is sometimes brushed or polished, but the surface still cannot achieve the ideal anti-sticking effect, especially when the filtrate is prone to cooling and crystallization, the fouling phenomenon is particularly obvious, and the fouling phenomenon is serious. The material will quickly fill the entire cavity of the filter bucket and cause blockage

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