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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 and have a short life; when filtering, the filling of the filter cake in the unit chamber has a great influence on the filtering operation. If the formed filter cake is not full of the unit chamber, the inner and upper If there is still space left, there will be interference between the working area and the adjacent area, which is especially unfavorable when it occurs in the final washing area, and the water will enter the drying area from the washing area, affecting the filtering effect; at the same time, the price Expensive, patented technology in the hands of foreign companies

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

Embodiment approach 1

[0072] The planetary rotary small cylinder continuous pressure filter is used for the filtration and separation of PTA (purified terephthalic acid). The planetary rotary small cylinder continuous pressure filter has a pressure shell consisting of a head 4, a cylinder body 7 and a head 11, and is fixedly supported on the base by a support 17. Inside the pressure shell, the main rotary body and the unloading and slag discharge mechanism are arranged. Among them, after the filter cartridge 10 is connected with the filter shaft 9, it is installed on the grid drum 32 of the planet carrier 6 to form a filter unit; the filter cartridge is 1m long, and the filtering area of ​​a single filter cartridge is 1m 2 , with a total filter area of ​​10m 2 There are 10 groups of such filter units in the whole pressure shell, which are jointly installed on the grid drum 32 to form the main rotary body, which is the main core component of the filter work. The main revolving body is driven by a ...

Embodiment approach 2

[0076]The planetary rotary small cylinder continuous pressure filter is used for the filtration and separation of heavy alkali in the production of soda ash. The shell of the planetary rotary small cylinder continuous pressurized filter is supported by the saddle 17 and fixed on the machine base. A bearing seat 3 is installed in the center of the left head 4, and the static distribution head 2 is fixedly placed in the bearing seat 3. At the same time, 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 dislocation gas disc 19 and a static dislocation gas disc 20 fixedly connected with them, and the end faces of the two dislocation gas discs are tightly combined to realize sealing, and at the same time achieve ...

Embodiment approach 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 during the process of filtering and separating PVC. The whole body of the planetary rotary small cylinder continuous pressure filter is supported and fixed on the machine base by the support 17 through the shell, and the filter shell is composed of three parts, including the head 4, 11 and the cylinder 7. There are main rotary body and unloader conveying mechanism inside the shell. Wherein the main rotating body is composed of a planet carrier 6 and multiple sets of filter assemblies installed thereon. There is a divisional drum 32 with a short axial length on the planet carrier 6. The interior of the divisional drum 32 is divided into 12 independent sections by partitions, and each independent divisional section has a filtrate channel 30 communicating with it. . Each group of filter assemblies is composed of a...

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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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