Temperature control device for BOD (Biochemical Oxygen Demand) tachymeter adopting microorganism electrode method

A microbial electrode and temperature control device technology, which is applied to measuring devices, electric temperature control, instruments, etc., can solve the problems of increasing accuracy, reduce maintenance frequency, fast heating and temperature control, and temperature difference vibration small effect

Active Publication Date: 2013-07-31
BEIJING CHINAINVENT INSTR TECH
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  • Claims
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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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  • Temperature control device for BOD (Biochemical Oxygen Demand) tachymeter adopting microorganism electrode method
  • Temperature control device for BOD (Biochemical Oxygen Demand) tachymeter adopting microorganism electrode method
  • Temperature control device for BOD (Biochemical Oxygen Demand) tachymeter adopting microorganism electrode method

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Embodiment Construction

[0032] The present invention will be further described below in conjunction with the accompanying drawings.

[0033] Such as figure 1 Shown is a schematic diagram of the structure of the temperature control device pair of the present invention.

[0034] 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.

[0035] 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 provides a temperature control device for a BOD (Biochemical Oxygen Demand) tachymeter adopting a microorganism electrode method, which comprises a temperature control cavity arranged in a box body of the tachymeter and is characterized in that the temperature control cavity heats gas to mix the gas in the cavity in a convection way so as to control the temperature in the cavity. The temperature control device is characterized in that the temperature control effect is stable, the detection precision is high, and the using period is long.

Description

[0001] This application is application number: 200610113823.0, application date: October 18, 2006, applicant: Beijing Huaxia Kechuang Instrument Technology Co., Ltd., name of invention: temperature control device for BOD speed measuring instrument by microbial electrode method and its speed measuring instrument Divisional application. technical field [0002] The invention relates to water quality measurement and control instrument technology, in particular to a temperature control device for a measuring instrument which can be widely used in various water qualities and can quickly measure BOD value by using a microbial electrode method. Background technique [0003] 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 bod...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05D23/19G01N27/416
Inventor 张新民黄颖傅晓春
Owner BEIJING CHINAINVENT INSTR TECH
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