Oxygen transmission coefficient measurement experimental device

Oxygen transmission coefficient measurement experimental device,Steady -state tablet method testing thermal conductivity experimental device

1. Experimental purpose:

This experiment conducted aeration of oxygen oxygen experiments for sewage and sewage -cont--ning sewage -cont--ning sewage and oxygen -consuming microorganisms, measure the difference in oxygen transfer correction coefficient α and β, and understand the difference between the oxygen transfer process in two cases.

Measurement of the sewage of oxygen -consuming microorganisms of the --r -consuming microorganisms α and β values:

1 Understand the significance of oxygen correction coefficient α and β in the aeration of sewage biological aeration.

2 Master the measurement method of α and β that does not cont--n oxygen -consuming microbial sewage.

2. M--n technical indicators and parameters:

1. Environmental temperature: 5 ℃ ～ 40 ℃

2. Treatment of water: 30 ～ 50L/h,

3. Dimensions: 1400mm × 500mm × 1600mm,

4. Work power: AC220V ± 10%, 50Hz, single -phase three -line system, power 400W, safety protection: ground protection, leakage protection, overcurrent protection

3. M--n configuration:

1. 1 set of high water tanks, transparent organic glass material, thickness of 10mm,

2. 2 sets of hybrid reactors, transparent organic glass materials, 8mm thickness,

3. 1 raw water tank (white 10mm thick PP board). The empty valve is installed on the bottom plate for convenience to clean the water;

4. Stir with a water tank motor of the original water tank, a set of 304 st--nless steel stirring paddles; (power 15W, speed 80rpm),

5. 1 fan, power: 250W,

6. 2 sets of motor mixer, 1 set of 304 st--nless steel mixing paddle; (power 25W, speed 120rpm)

Oxygen transmission coefficient measurement experimental device,Steady -state tablet method testing thermal conductivity experimental device

Purpose:

The steady -state tablet method is a method that uses the basic principle of one -dimensional stability and heat conduction process to determine the heating coefficient of the material. It can be used to test the heating coefficient measurement test. Any material in the range of 200 × 200 × 20 in the coefficient of 0.02 ～ 400 W/(m.k).

M--n configuration:

Double -sided water cooling experimental desk, thin film heater body, A -level PT100 (0.1 ℃) platinum thin film thermal resistance, m--n heating can regulate DC voltage voltage power supply and digital display current meter, voltage meter, supplementary heating DC voltage voltage power supply and Digital display current meters, voltage meters, low noise circulating water pumps, PVC board water tanks; 8 -way signal transformation to output inspection instrument, st--nless steel bracket.

Technical Parameters:

1. Input power supply: single phase AC220V ± 10% 50Hz, power of 300W.

2. This device can determine any materials in the range of 0.02 ～ 400 w/(m · k) test parts in the range of 200 × 200 × 20mm. Copper plates: 230mm × 230mm × 4mm, and the top of the mill has grooved grooves.

3. M--n heating can adjust the DC voltage voltage power supply and digital display current meter, voltage meter, voltage: 0 ~ 50V, current: 0 ~ 5A; auxiliary heating regulatory DC voltage voltage power supply and digital display current meter, voltage meter, voltage: 0 ~ ~ 50V, current: 0 ~ 5A.

4. Low noise circulating water pump parameters: flow: 20L/min, r--sing: 12m, power: 120W.

5. Temperature measurement: The measurement system is equipped with an intelligent temperature control instrument (PID adjustment temperature control, accuracy ± 0.2 ° C), and high -precision PID pressure regulating module circuit.

6. Dimensions: 1000 × 500 × 1600mm. The shape is st--nless steel movement, with a double brake wheel.