CN2390674Y

CN2390674Y - Sludge thickening micro-filter

Info

Publication number: CN2390674Y
Application number: CN 99203304
Authority: CN
Inventors: 陈启松; 胡敏; 杨一航
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-02-02
Filing date: 1999-02-02
Publication date: 2000-08-09
Anticipated expiration: 2009-02-02

Abstract

The utility model relates to a sludge thickening micro-filter, which belongs to the technical field of filtering. The sludge thickening micro-filter is a rotary cylinder inner filtering type microwave machine which is composed of components of a water tank, a filtering cylinder, a filtering plate, an elastic scraper, a hopper, a backwashing spray head, etc. After a filtering material is led into the filtering cylinder, solid and liquid are firstly settled and separated. Filter residue which is settled on the filtering plate (net) follows the filtering cylinder to rotate to the highest position, and is scraped into the hopper by the elastic scraper, and then, the filter residue is discharged from a residue discharge pipe. Filtrating liquid which is accumulated in the water tank is discharged from a water pipe. The regeneration of the filtering net is completed by the backwashing spray head. The whole process is in rapid thickening and continuous filtration. The utility model has the characteristics of convenient operation, stable running, small power consumption, high condensation rate, and large filtering intensity.

Description

Mud is carried dense Microfilter

The utility model relates to the device of separate solid particles from liquid, a kind ofly carries mud dense, continuous filtration fast and carries dense Microfilter.

Microfilter is a kind of mechanical filter unit, the filter medium aperture that it adopts is generally at 0.1～0.5mm, this filter medium is under low relatively hydraulic resistance, has higher separating rate, make suspension be trapped in the filter screen opposite side, the Microfilter filter capacity of utilizing this principle to produce is big, and energy consumption is low.But the Microfilter of present industrial application, generally adopt the way slag dumping and the regeneration of backwash, because the mud adhesion after the flocculation granulation is strong, only under higher hydraulic pressure and bigger water yield effect, could remove, this has just caused the mud of carrying after dense by secondary dilution, carries and densely hardly may so present microfiltration equipment is applied to mud.

The purpose of this utility model is: provide a kind of and mud can be carried fast Microfilter dense, continuous filtration.

The technical solution of the utility model is: adopt inward flow filtration-type, to treat that the concentrate material utilizes high polymer coagulant flocculation granulation, after entering Microfilter, under the gravity effect, finish Separation of Solid and Liquid, adhering to filter residue on the filter screen is removed by elastic scraper when moving to a high position with filter screen, filter screen behind the removing filter residue is regenerated with backwash water, and whole process continuous high-efficient carries out.

Below in conjunction with accompanying drawing,, provide detailed description of the present utility model by description to embodiment.

Accompanying drawing one is a structure principle chart of the present utility model.

Accompanying drawing two is A-A profiles of accompanying drawing one.

In the accompanying drawing:

1. water tank 2. feeding pipes 3. dividing plates 4. end plates

5. filter plate 6. elastic scrapers 7. hoppers 8. springs

9. filter cylinder 10. residue outlets 11. outlet pipes 12. backwash shower nozzles

13. backwash water pipe

Shown in accompanying drawing one:

Filter cylinder (9) is combined by left and right two end plates (4) and filter plate (5), every filter plate is formed by coating stainless steel working net and supporting network, feeding pipe (2) and residue outlet (10) are made of a straight tube, middle with dividing plate (3) partition, the feeding pipe bottom is taken under liquid level to be filtered, hopper (7) is equipped with in the residue outlet upper end, opening upwards, elastic scraper (6) is housed in the hopper, spring (8) is equipped with in the scraper bottom, and under spring action, elastic scraper contacts with filter cylinder all the time, whole filter cylinder places water tank (1), and the water tank bottom has outlet pipe (11).

Shown in accompanying drawing two:

Filter cylinder rotates in the direction of the clock, and backwash shower nozzle (12) and backwash water pipe (13) also are housed above the filter cylinder external right, with B=45 °～60 ° of hopper error angles.

According to different filtration requirements, adopt the filter screen and the rotating speed of different size, the working net specification is 40 orders～120 orders, the supporting network specification is 5～20 orders; The filter cylinder rotating speed is 3r/min～9r/min.

Operation principle of the present utility model is: the Microfilter filter cylinder rotates in the direction of the clock with 3r/min～9r/min; Through the high polymer coagulant granulated materials along a to enter the filter cylinder bottom from feeding pipe, under the gravity effect, finish Separation of Solid and Liquid, filter residue moves to top with filter cylinder, by elastic scraper it is scraped in hopper, again through residue outlet along b to discharge, make its regeneration with backwash water when the filter screen of removal filter residue produces the hopper district, flushing pressure is 0.1MPa～0.3MPa; Filtrate through outlet pipe along c to discharge.

The utility model is compared with background technology, and the beneficial effect that has is:

1. thoroughly eradicate and stick with paste a net difficult problem, stable.

2. cocnentration factor is compared with common Microfilter and is improved 3～5 times.

3. separation process is continuous, and intensity filter is big.

4. easy and simple to handle, be easy to realize automatic control.

5. energy consumption is low, and the backwash water yield is few.

6. applied widely.

In addition, this machine can be made into all size series of products, therefore, on industry is filtered great application value is arranged.

Claims

1, a kind of mud is carried dense Microfilter, it is characterized in that: filter cylinder is combined by left and right two end plates and filter plate, every filter plate is formed by coating stainless steel working net and supporting network, feeding pipe and residue outlet are made of a straight tube, the centre cuts off with dividing plate, the feeding pipe bottom is taken under liquid level to be filtered, hopper is equipped with in the residue outlet upper end, opening upwards is equipped with elastic scraper in the hopper, spring is equipped with in the scraper bottom, under spring action, elastic scraper contacts with filter cylinder all the time, and whole filter cylinder places water tank, and the water tank bottom has outlet pipe.

2, mud as claimed in claim 1 is carried dense Microfilter, it is characterized in that: filter cylinder rotates in the direction of the clock, and backwash shower nozzle and backwash water pipe also are housed above the filter cylinder external right, with B=45 °～60 ° of hopper error angles.

3, carry dense Microfilter as the described mud of claim 1.2, it is characterized in that: according to different filtration requirements, adopt the filter screen and the rotating speed of different size, the working net specification is 40 orders～120 orders, the supporting network specification is 5～20 orders, and the filter cylinder rotating speed is 3r/min～9r/min.