Planet gyration small circular cylinder continuous pressure filtration machine

A pressure filter, planetary technology, applied in the direction of filtration separation, moving filter element filter, separation method, etc., can solve the problems of affecting the filtration effect, single discharge method, small filter area, etc., to achieve flexible and diverse discharge methods , Solve the tendency of anti-humidity, and the effect of reliable filtering operation

Inactive Publication Date: 2008-08-06
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The KDF continuous pressurized filter adopts many new design methods and ideas, and has made great contributions to the research and development of the new filter, but this type of filter still has many shortcomings and deficiencies: unloading adopts back blowing Gas unloading, the unloading method is single, unreliable, and tends to re-wet the filter cake; the unit filtration area in the cross section of the pressure shell is small; the structure is complex, and the required manufacturing precision is high
RPF rotary pressure filter is widely used, but its seals are easy to wear

Method used

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  • Planet gyration small circular cylinder continuous pressure filtration machine
  • Planet gyration small circular cylinder continuous pressure filtration machine
  • Planet gyration small circular cylinder continuous pressure filtration machine

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0071] Embodiment 1:

[0072] The planetary rotary small cylinder continuous pressure filter is used for the filtration and separation of PTA (refined terephthalic acid). The planetary rotary small cylinder continuous pressure filter, its pressure shell is composed of the head 4, the cylinder 7 and the head 11, and is fixedly supported on the machine base through the support 17. The main rotary body and the discharge and slag discharge mechanism are arranged inside the pressure shell. The filter cartridge 10 is connected to the filter shaft 9 and installed on the grid drum 32 of the planet carrier 6 to form a filter unit; the filter cartridge is 1m long, and the filter area of ​​a single filter cartridge is 1m 2 , the total filter area is 10m 2 ; There are 10 groups of such filter units in the entire pressure shell, which are jointly installed on the compartment drum 32 to form the main rotary body, which is the main core component of the filter work. The main rotary body i...

Example Embodiment

[0075] Embodiment 2:

[0076]The planetary rotary small cylinder continuous pressure filter is used for the filtration and separation of heavy caustic soda in the production of soda ash. The casing of the planetary rotary small cylinder continuous pressure filter is supported by the saddle 17 and fixed on the base, and the casing is composed of three parts: the head 4 , the cylinder 7 and the head 11 . The bearing seat 3 is installed in the center of the left cover 4, the static distribution head 2 is fixedly placed in the bearing seat 3, and the planet carrier 6 is placed in the bearing seat 3 through two pairs of bearings, and the left end shoulder of the planet carrier 6 is used as the dynamic distribution head 29 , and opposite to the static distribution head 2, the dynamic distribution head 29 and the static distribution head 2 respectively have a dynamic air disc 19 and a static air disc 20 which are fixedly connected to them. Purpose of filtrate switching. The main dr...

Example Embodiment

[0079] Embodiment 3:

[0080] The planetary rotary small cylinder continuous pressure filter is used for the filtration and separation of PVC, and the filter cake does not need to be washed in the process of filtration and separation of PVC. The whole of the planetary rotary small cylinder continuous pressure filter is supported and fixed on the machine base by the support 17 through the shell. Inside the shell are the main rotary body and the unloader conveying mechanism. The main rotary body is composed of the planet carrier 6 and multiple groups of filter assemblies mounted on it. There is a compartment drum 32 with a short axial length on the planet carrier 6. The compartment drum 32 is divided into 12 independent sections through the partition plate, and each independent compartment section has a filtrate channel 30 that communicates with it. . Each group of filter assemblies is composed of a filter shaft 9, a filter cartridge 10 and a compartment space communicated wi...

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PUM

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Abstract

The invention relates to a continuous pressure filter used for filtering suspension, the main technical characteristics of which is that a plurality of filtering units are arranged in the direction of the inner circumference inside a shell body of the filter; each filtering unit consists of a filter cylinder, a filter axis and an inner channel of a planet carrier communicated with the filter axis. The filter cylinder used as a filter element is fixed and supported on the planet carrier by the filter axis, which executes a planetary motion when working; fluid is collected inside the filter cylinder after going through a filter medium on the filter cylinder, which enters the channel of the planet carrier through a hollow filter axis and is discharged after being switched through a distributing head. The continuous pressure filter of the invention has the main characteristics of high-efficiency filtration dehydration, effectively wash and dry a filter cake, reliable material-discharging way, a blowback regeneration function of the filter medium, and the operating steps are carried out sequentially.

Description

technical field [0001] The invention is a new type of solid-liquid separation equipment, which relates to a filter that uses gas pressure as the driving force to continuously filter and separate suspensions. It has the basic characteristics of continuous and efficient operation, and is especially suitable for difficult-to-filter materials and bulk chemical It is suitable for the production of petrochemical products and products with harsh process conditions, and is also suitable for the production of food, biological products, pharmaceuticals and other valuable chemicals. technical background [0002] Theoretically, the filtration driving force of pressure filtration is not limited, and because of its remarkable advantages, it is widely used in filtration and separation. The filtration driving force of pressure filtration breaks through the bottleneck of limited vacuum filtration driving force, and has the advantages of high filtration strength, large production capacity, lo...

Claims

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Application Information

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IPC IPC(8): B01D33/073B01D33/37
Inventor 肖泽仪张鸿翔汤晓玉伍云涛原林钟月华伍勇
Owner SICHUAN UNIV
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