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Chemical Solutions

Vacuum belt filters

Water removal plant on the basis of vacuum belt filters.

Water removal plant on the basis of vacuum belt filters.

Vacuum belt filter model BFR 160 with a filter area of 20,3 m<sup>2</sup>

Vacuum belt filter model BFR 160 with a filter area of 20,3 m2

One of the largest vacuum belt filters with a filter area of 162 m<sup>2</sup>

One of the largest vacuum belt filters with a filter area of 162 m2

Filtrates separation system manifold

Filtrates separation system manifold

Pilot-industrial filter for testing

Pilot-industrial filter for testing

An example of sludge for vacuum belt filter

An example of sludge for vacuum belt filter

Vacuum belt filter BHS-Sonthofen GmbH (Germany) is a horizontal vacuum filter of continuous action designed for separation of quickly deposited solids. Closed filter strip serves as a filtering medium. To support the filter cloth used rubber carrier belt, which has drain grooves for drainage of the filtrate.

The filter cake formed on the belt and can go through further treatment by washing (if necessary – many times in co-current or counter-current), evaporation, extraction or dry extraction. The filtrates from each stage of the process can be separated and subjected to processing separately, without mixing. On batch-of roll the filter cake is discharged. Cleaning of cloth occurs during reverse tape.


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Advantages:

  1. Continuous, fully automatic principle of operation

  2. High throughput

  3. Low operating costs

  4. Robust filter design

Scope of application:

  • Concentrates, washed product and secondary raw material yields

  • Off-gases desulfurization

  • Fly ash

  • Silica sand

  • Minerals: phosphorite, pyrite, ilmenite

  • Metals: cuprum, tin, zinc, plumbum

  • Iron ore

  • Coal

  • Other applications

Layout diagram:


The main standard sizes of belt vacuum filters:

Belt width, mm

Belt length, m

Filtration area, m2

Power, kW

Dimensions, m

Length

Width

Height

BRF 120

1050

6-11

6-12

1,1-7,5

10,1-15,5

2,2

2,3

BRF 160

1450

6-15

9-22

3-15

10,1-18,5

2,6

2,3

BRF 200

1850

10-18

18-33

5,5-22

14,1-21,5

3

2,3

BRF 240

2250

10-22

22-50

11-30

15-27

3,5

2,5

BRF 320

3050

15-30

46-92

22-90

20-35

4,2

2,5

BRF 420

4050

15-40

61-162

30-150

20-45

5,2

2,5

Distinctive features

Durable design

Belt vacuum filters of BHS manufacturer are characterized by robust design and long service life. Proper selection of the frame material, anti-corrosion coatings, material of the carrier belt and the design of the filter ensures operation even in the toughest conditions.

Easy maintenance

An optimal belt support system selection and vacuum box design reduce wear of the belt to a minimum. And easy replacement of filter belts reduces downtime to a minimum

High performance

Vacuum belt filters BHS is designed to create the maximum possible separation ability from one square meter of the filter surface. Depending on the application the speed of filtration can reach 15 m3/m2/h. Maximum filter area of one filter is 162 m2. Other working operations with cake like washing, drying, etc. are also available.

Special design under the customer requirements

Depending on the conditions of application there are various filter materials and conveyor belt, different support system, a vacuum box and frame selectable. Possible performance filter in a sealed enclosure, explosion-proof design. Vacuum belt filters are often equipped with such options as separation of the filtrate, vacuum pumping station, a system of prior thickening on the basis of the hydrocyclones.

 

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