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Microorganism electrode method BOD tacheometer

The technology of microbial electrode and speed measuring instrument is applied in the field of temperature control devices for measuring instruments, which can solve problems such as increasing the accuracy, and achieve the effects of reducing the frequency of maintenance, sufficient contact, and good and effective constant temperature effect.

Active Publication Date: 2012-01-04
BEIJING CHINAINVENT INSTR TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The traditional method is to add the buffer solution to the standard solution. When calibrating the instrument, the standard solution and the buffer solution act on the microbial film at the same time, which increases the impact of the buffer solution on the microbial film and affects the accuracy of the test results.

Method used

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  • Microorganism electrode method BOD tacheometer
  • Microorganism electrode method BOD tacheometer
  • Microorganism electrode method BOD tacheometer

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Embodiment Construction

[0031] The present invention will be further described below in conjunction with the accompanying drawings.

[0032] Such as figure 1 Shown is a schematic diagram of the structure of the temperature control device pair of the present invention.

[0033] An insulation layer 2 is provided inside the box body 1 of the tachymeter to prevent heat loss in the box body 1 . One side of the box body 1 is provided with a box door, and the box door is installed on the box body 1 by a box door hinge 10 . When it is necessary to replace the oxygen electrode 7 or the microbial film, just open the box door and take out the oxygen electrode 7. Compared with the traditional water bath type or aluminum heat conduction core type heating incubator, it is very simple and fast.

[0034] A flow channel 6 is arranged on one side of the inner cavity of the box body 1 , and a fan 3 is arranged on the upper part of the flow channel 6 to drive the gas in the box body 1 to flow in a directional manner. ...

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Abstract

The invention comprises a temperature control cavity mounted in the rapid determination meter. It features the following: said temperature control cavity uses the heated air to control the temperature in the control cavity. The invention also provides a BOD rapid determination meter comprising a case, and both microbial electrode and the temperature controller mounted in the case.

Description

technical field [0001] The invention relates to water quality measurement and control instrument technology, in particular to a temperature control device for a measuring instrument and the measuring instrument, which can be widely used in various water qualities and rapidly measure BOD value by using a microbial electrode method. Background technique [0002] The composition of organic matter in domestic and industrial wastewater is very complex, and it is extremely difficult to determine the content of a certain component alone. However, the harm of these organic substances to the surrounding environment is mainly caused by the consumption of oxygen in the water body. Therefore, in practical applications, the oxygen consumption such as biological oxygen demand, chemical oxygen demand, and total oxygen demand is used to represent the water body. The degree of organic contamination. [0003] Biochemical oxygen demand (BOD) is a comprehensive index indicating the content of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/416G05D23/00C12Q1/04
Inventor 张新民黄颖傅晓春
Owner BEIJING CHINAINVENT INSTR TECH
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