Sludge pH value detection device and detection method thereof

Abstract

The invention relates to a sludge pH value detection device and a detection method thereof. The sludge pH value detection device comprises a display screen, an electrode stem, a pH composite electrode, a plurality of centrifugal holes, an operation screen, test tubes and a main engine; the electrode stem is fixed above the main engine through a supporting rod, and can move on the supporting rod inan up-down lifting mode, the display screen and the supporting rod are fixed through a guiding rod, the pH composite electrode is connected to the electrode stem, and the pH composite electrode is connected with the display screen; the main engine is internally provided with the multiple centrifugal holes, centrifugal covers are arranged on the centrifugal holes, the test tubes are located in thecentrifugal holes, the depth of the centrifugal holes is greater than the height of the test tubes, and the operation screen is arranged on the main engine. The operation screen can control the rotating speed, the time, starting and stopping and the test position of the pH composite electrode. A pH value of sludge, especially sludge with the water content being less than 99% is detected. According to the sludge pH value detection device and the detection method thereof, sufficient centrifugation of the sludge is ensured, meanwhile, the pH value can be measured directly in supernatant after centrifugation, the pH value of the sludge can be quickly measured, and testing is accurate.

Description

technical field [0001] The invention relates to a sludge pH value detection device and a detection method, which are used for rapid and accurate determination of the sludge pH value. Background technique [0002] At present, the main principles of domestic sludge treatment are reduction, stabilization, harmlessness, and resource utilization. The emphasis should be on "harmless" in sludge disposal, while encouraging the recovery and utilization of energy and resources in sludge. To utilize the resources in the sludge, it is necessary to understand the content of harmful substances such as heavy metals in the sludge and determine the treatment method. The pH value of sludge is the prerequisite for harmless and stable sludge disposal, such as the Chinese patent application number 200810202451.8. [0003] The pH value has a great influence on the surface activity, flocculation sedimentation, dehydration, etc. of the sludge, and has an important impact on the stability of heavy...

AI Technical Summary

Problems solved by technology

At present, the pH detection steps for sludge with a water content less than 99% are complicated, especially after centrifugation, the upper layer is less clear, and multiple centrifuges are required. Take enough upper clear water for pH measurement, and the sludge pH value cannot be quickly measured. At the same time It brings errors to the accurate determination of the sludge pH value. Therefore, it is necessary to automatically and quickly determine the sludge pH value after a centrifugation is completed.

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