9 results about "Ph probe" patented technology

The utility model relates to the technical field of sewage treatment PH detection auxiliary tools, and particularly discloses a floating throw-in type PH probe fixing device which comprises a floating plate and counterweights, a plurality of counterweights are installed on the lower portion of the floating plate, the counterweights sink into a water body to stabilize the floating plate, the floating plate floats on the water surface, a PH probe is installed in the middle of the floating plate, and the lower portion of the PH probe penetrates through the floating plate to make contact with the water body. The floating input type PH probe fixing device designed by the utility model is low in cost and simple in later maintenance, and the floating device can ensure that the probe is fully contacted with a medium and floats along with the water level to ensure that the probe cannot be immersed into water; by using the floating throw-in type PH probe fixing device, the service life of the PH probe is greatly prolonged, and the floating throw-in type PH probe fixing device is suitable for complex working environments on site, convenient to operate and high in practicability.

The utility model belongs to detection device technical field, concretely relates to a pH value detection system, including the reaction kettle, the reaction kettle middle part is connected with the buffer tank, is provided with the flow pump between the reaction kettle and buffer tank, is provided with the protective liquid entrance, pH probe and thermometer at the buffer tank top, the reaction kettle middle part is linked with buffer tank lower part, buffer tank upper part is linked with the reaction kettle upper part, is provided with the clamping sleeve outside buffer tank, is connected with the steam spray tank at buffer tank lower part, is provided with the circulating air pump at steam spray tank side part, is provided with the cleaning fluid entrance in buffer tank middle part, pH probe and thermometer electric connection have the controller. The utility model carries out the real -time control of reaction process through the controller, can realize the timing cleaning and the programmed operation, need not manual intervention, the degree of automation is high, has reduced the working strength and the security risk of maintenance personnel greatly.

The utility model provides a self-cleaning PH probe which comprises a shell and a suction section, the suction section is located below the shell, a constant potential source, a current value-pH value conversion instrument and a detection probe which are sequentially connected in series are arranged in the shell, a partition piece is arranged on the lower portion of the shell, a cavity is formed below the partition piece, the cavity is communicated with the suction section, and the suction section is communicated with the shell. The detection probe penetrates through the partition piece and extends into the suction section, the outer wall of the detection probe is sleeved with a circle of hollow cleaning device, the cleaning device comprises a connecting pipeline, a cleaning pipeline, a telescopic rod and a cleaning brush, a gap is formed between the cleaning pipeline and the detection probe, the telescopic rod is fixedly connected to the upper portion of the connecting pipeline, and the cleaning brush is fixedly connected to the lower portion of the cleaning pipeline. The telescopic end of the telescopic rod is fixedly connected with the partition piece, the left end and the right end of the connecting pipeline are provided with a water inlet and an air inlet respectively, the water inlet and the air inlet are connected with a water supply device and an air supply device respectively, residual attachments on the detection probe are cleaned through stretching and retracting of the cleaning brush, and the measurement accuracy is improved.

The present disclosure provides for an on-line system and method to determine a pH of low conductivity water. The system includes a first flow cell and a second flow cell to receive the water at a first flow rate and a second flow rate, respectively; a first pH probe positioned in the first flow cell to measure a first pH at a predetermined temperature and the first flow rate; a second pH probe positioned in the second flow cell to measure a second pH at the predetermined temperature and the second flow rate; a pH analyzer coupled to the first pH probe and the second pH probe, where the pH analyzer allows for a comparison of the first pH value and the second pH value; and an outlet for the water from the on-line system.

The micromolecule Raman pH probe provided by the invention has relatively strong sensitivity and an adjustable pH response range, can be anchored at an interface with relatively low loading capacity, realizes accurate measurement of interfacial acidity, is especially suitable for interfacial acidity measurement of a colored interface, and has a wide application range.

The invention relates to the technical field of water quality monitoring, in particular to a strain-added water quality PH value monitoring device which comprises a PH meter, the PH meter is connected with a PH probe through a cable, the PH probe is sleeved with a sealing cover fixedly connected with the PH probe, the lower surface of the sealing cover is provided with a detachable liquid storage barrel, and the liquid storage barrel is connected with the PH meter through a cable. A drain valve and a stop valve are installed on the upper portion of the outer surface of the liquid storage barrel through a three-way pipe, the liquid storage barrel is connected with the liquid outlet end of a water pump through a connecting pipe, a water suction hose is installed at the liquid inlet end of the water pump, and the end, away from the water pump, of the water suction hose is sleeved with a floating plate fixedly connected with the water suction hose; a liquid storage container is installed on the lower surface of the floating plate, the cross section of the liquid storage container is shaped like a Chinese character'hui ', and a water outlet hole is formed in the upper portion of one side face of the liquid storage cylinder. The device has the following beneficial effects that continuous sampling and PH value monitoring of water bodies of different depths are achieved, repeated operation is avoided, and the monitoring efficiency is greatly improved.

The invention provides a gastric mucosa PH value monitoring device which comprises a stomach tube body, a probe containing cavity is formed in the stomach tube body, a PH probe is telescopically arranged in the probe containing cavity, and a detection die head is arranged on the PH probe; the stomach tube body is used for being inserted into the stomach of a patient, and the detection die head on the PH probe extends out of the probe containing cavity to detect the PH value of the gastric mucosa. The problem that in the prior art, due to the fact that a PH sensor is prone to adhering to gastric juice of other parts, PH value detection at the gastric mucosa is inaccurate is solved.

The application discloses a multifunctional agar pouring bottle, and relates to the technical field of laboratory equipment, comprising a storage bottle, a support, a temperature control sleeve, a pH probe, a temperature sensor, a quantitative pouring device, a magnetic stirring assembly and a gravity ball; the storage bottle is arranged on the support and can move up and down relative to the support; the pH probe is fixedly installed on the inner wall of the storage bottle and located close to the bottom, can measure the pH value of agar medium in the storage bottle, and is made of high-temperature and high-pressure resistant material and can be sterilized together with the storage bottle; the application integrates seven functions of storage, heating, refrigeration, stirring, quantitative pouring, pH sterile measurement and high adjustment, and can complete the whole process operation of agar medium from preparation, sterilization, constant temperature, pH detection to quantitative pouring by using one device, and is perfect in function and high in practicability.

The utility model discloses a pretreatment device for measuring BOD5 (biochemical oxygen demand 5) of water quality, which comprises a square seat support, an adjusting container, a filter and a measuring container are sequentially arranged on a support rod from top to bottom, a pH adjusting pipe group and a pH adjusting flow valve group which are used for adjusting pH are arranged on the adjusting container, and a plugging module is arranged at the bottom of the adjusting container. A determination reagent tube group and a determination reagent flow valve group are arranged on one side of the determination container, and a liquid level sensor for detecting the liquid level is arranged on the determination container. Hcl and NaOH which are added into liquid are controlled through a pipeline and a valve group, the pH is detected through a pH probe, when the pH is qualified, the adjusting container descends, a rod body in the center of the filtering funnel extends into a hole column, the sealing is damaged, and the liquid flows into the lower part for filtering through a plugging module below, and an acetic acid solution and a potassium iodide solution are automatically injected into the measuring container; and the volume of the finally titrated solution is detected through the liquid level sensor.