Sensor for measuring content of reducing bacteria in sulfate

A sensor and bacterial content technology, applied in the field of measuring sensors, can solve the problems of inability to achieve in-situ measurement, long test cycle, etc., and achieve the effects of short test time, rapid measurement, and rapid on-site

Inactive Publication Date: 2015-05-20
DALIAN KANGSAIPU TECH DEV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Its disadvantage is that the test cycle is long (14-28 days of culture) and in-situ measurement cannot be realized

Method used

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  • Sensor for measuring content of reducing bacteria in sulfate
  • Sensor for measuring content of reducing bacteria in sulfate

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Embodiment Construction

[0011] Such as Figure 1~2 Shown, the present invention is by cable 11, waterproof rubber pad 12, electrode lead wire 13, electrode screw cap 14, electrode insulating tube 15, electrode tube fixing bolt 16, sensor housing 17, insulating seal 18, sensor electrode 19 and reference electrode 10 composition. The sensor electrode 19 and the reference electrode 10 are connected to the potentiometer 4 respectively, and an electrode insulating tube 15 is wrapped on the outside thereof. One end of the two electrodes protrudes outside the cylindrical electrode insulating tube 15, contacts with the solution 2 to be tested, and the other end passes through the cylindrical electrode insulating tube 15. The electrode lead wire 13 is connected with the cable 11, and the electrode insulating tube 15 is penetrated in the sensor housing 17, and an insulating seal 18 is formed between the sensor housing 17, and one end of the sensor housing 17 is a free end opening downward, and the side wall of...

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Abstract

The invention discloses a sensor for measuring content of reducing bacteria in sulfate. The sensor comprises a sensor electrode (19) and a reference electrode (10), wherein both the two electrodes are connected with a potentiometer (4); an electrode insulated tube (5) covers the outside of the sensor electrode (19) and the reference electrode (10); one end of each electrode extends out of the electrode insulated tube (15) and the other end of each electrode is connected with a cable (11); the electrode insulated tube (15) is inserted into a sensor housing (17) in a penetration manner; an insulated seal (18) is arranged between the electrode insulated tube (15) and the sensor housing (17); one end of the sensor housing (17) is an open free end; holes (6) communicated with the sensor electrode (19) and the reference electrode (10) are formed in the side wall of the end; a waterproof rubber pad (12) outside the two electrodes is connected with the other end of the sensor housing (17) in a sealed manner. The sensor disclosed by the invention can be used for in-situ field measurement of the content of the reducing bacteria in the sulfate, and is convenient, quick, and high in test speed.

Description

technical field [0001] The invention relates to a measuring sensor, in particular to a sensor for measuring the content of sulfate-reducing bacteria. Background technique [0002] Sulfate-reducing bacteria are widely found in seabed areas and soils. They are microorganisms that can accelerate the corrosion and damage of metal and concrete. In the study and control of corrosion damage caused by sulfate-reducing bacteria, it is often necessary to measure of sulfate-reducing bacteria. At present, the commonly used detection method for sulfate-reducing bacteria is the maximum probable number method (MPN), which adopts multi-test tube fermentation technology and cultures in an incubator at 29±1°C for 21 days. According to the black precipitate and hydrogen sulfide produced in the test tube For odor, the number of sulfate-reducing bacteria in the sample was counted by the blackness comparison method. Its disadvantage is that the test cycle is long (14-28 days of culture) and can...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/26
Inventor 鞠洪建
Owner DALIAN KANGSAIPU TECH DEV
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