Biological filter training device

Biological filter tr--ning device,Tolerance to display the tr--ning device

1. Experimental purpose:

Biological filters are m--nly used to remove soluble organic pollutants from sewage. It is an oxygen biological treatment method widely used after the active sludge method. During the processing process, the mass transmission rate, the biochemical reaction rate, the number of microorganisms and the species are related to the nature, concentration, and filter depth of organic pollutants. The necessary design parameters can be determined through a model test.

Through the hope of this experiment, the following goals are achieved:

1 Understand the cultivation method of biofilm;

2 Master the test method of the measurement coefficient K, M, and N.

2. M--n technical indicators and parameters:

1. Environmental temperature: 5 ℃ ～ 40 ℃

2. Treatment of water: 0.5m3/ h

3. Design in and out of water:

Inlet water BOD5 150 ～ 300mg/L Out of water 15 ～ 30 mg/L

COD 250 ～ 500mg/L out of water 25 ～ 40 mg/L

Inlet water SS 80 ~ 150 mg/L out of water 10 ~ 15 mg/L

Inlet water pH 6-9 out of water 6-9

4. Tower tube size: φ150mm × 2000mm

5. Device shape size: 700mm × 450mm × 2200mm,

6. Work power: AC220V ± 10%, 50Hz, single -phase three -line system, 500W power, safety protection: ground protection, leakage protection, overcurrent protection

Biological filter tr--ning device,Tolerance to display the tr--ning device

I. Overview:

The "Tolerance Cooperation" display cabinet is an important technical requirement on the design of mechanical parts design. It is an important part of the static and dynamic geometric accuracy of mechanical products. ** The development of science and technology and the improvement of production levels have also put forward increasing requirements for the geometric accuracy of mechanical products. The geometric accuracy has formed an independent technical discipline, and it is subject to the academic and engineering and technical circles. The people attach great importance to it.

2. Technical specifications:

1. This display cabinet is composed of a total of six single display cabinets. The shape size of the display cabinet body: 1200 × 400 × 1900mm (long × width × height).

2. The cabinet is welded by SPCC cold tie plate. The surface is made of medium temperature phosphorus and plastic, and the cabinet rigidity is good. The display panel in the cabinet is a super luxurious aluminum -plastic mezzanine, which has good carrying. There are necessary charts and text descriptions on the plate surface. The appearance is beautiful and generous.

3. There is a p--r of doors on the back of the cabinet to facilitate m--ntenance equipment and convenient m--ntenance.

4. There is a cabinet box in the lower part of the cabinet to facilitate stored models, experimental boxes and related experimental documents.

5. The bottom of the cabinet is equipped with a universal wheel, which is convenient to move, and meets the requirements of human -machine engineering.

6. Model material is made of physical, acrylic organic board and engineering plastic.