Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

49 results about "Electrical conductivity meter" patented technology

An electrical conductivity meter (EC meter) measures the electrical conductivity in a solution. It has multiple applications in research and engineering, with common usage in hydroponics, aquaculture, aquaponics, and freshwater systems to monitor the amount of nutrients, salts or impurities in the water.

Method and system for measuring electrode constant of oil conductivity valuing device

PendingCN121917609AMaterial resistanceThermodynamicsFuel quality
The invention discloses a method and a system for measuring an electrode constant of an oil conductivity valuing device, relates to the technical field of measurement, and breaks through the limitation of roughly taking an average value of an area of a polar plate traditionally by constructing an actual conductance cell model and defining parameter information, accurately deduces a conductance cell constant, and reversely calculates an effective relative area to determine the electrode constant. According to the method, the coaxial annular structure characteristics are attached, the influence of the edge effect and electric field line diffusion is avoided, and electrode constant calculation is more scientific and rigorous. Therefore, the accuracy of the constant value of the oil conductivity standard substance is guaranteed, a reliable reference is provided for verification and calibration of an oil conductivity meter, an effective oil conductivity measurement result is ensured, the electrostatic accident risk is reduced from the source, and the oil fuel quality and safety management and control are enhanced. The problems that an existing coaxial annular cylinder type electrode conductance cell is not strict in constant calculation and low in standard value credibility are effectively solved, and the electrode constant measurement accuracy of the oil conductivity valuing device is remarkably improved.
Owner:SHANDONG NON METALLIC MATERIAL RESEARCH INSTITUTE

Automatic cleaning water index monitoring device for CO2 washing tower

The utility model provides an automatic cleaning water index monitoring device for a CO2 washing tower. The automatic cleaning water index monitoring device comprises a washing tower body, the waste gas pipeline is vertically arranged in the center of the upper end of the washing tower body; a waste gas inlet is formed in the edge of the upper end of the washing tower body, at least one cleaning water discharging pipeline and one cleaning water input pipeline are arranged on the outer wall of the bottom of the washing tower body, the CO2 washing tower is adopted to automatically monitor the cleaning water index device, and a monitoring frame in the washing tower body is driven by a driving cylinder to move up and down in a reciprocating mode; the monitoring frame moving up and down in a reciprocating mode can comprehensively monitor cleaning water, the monitoring precision is improved, efficient detection is carried out through a turbidity detector and a conductivity instrument arranged on the monitoring frame, when data reach a set value, an electric signal is sent to a digital display control panel, the digital display control panel controls an electromagnetic valve to be opened, and then the cleaning water is monitored. Cleaning water is introduced and discharged, so that the cleaning water meets the monitoring requirement, and the CO2 cleaning effect is ensured.
Owner:FUJIAN YANJING HUIQUAN BREWERY CO LTD

Device and method capable of dynamically monitoring EICP technology for repairing heavy metal polluted water and soil

The invention discloses a device and method capable of dynamically monitoring heavy metal polluted water and soil repaired through an EICP technology, the device comprises a support, three monitoring systems and a grouting system, the first monitoring system comprises a measuring box, a top cover, a motor, a grouting hole, a transmission shaft, a gear, an inner gear ring, a stirring sampling pipe, a supporting rod, a sheet type multifunctional sensor and a sampling opening; the second monitoring system comprises a liquid conveying hose, a flow control valve, a peristaltic pump, a pump pipe, a measuring box, a raw material box, a waste liquid box, a conductivity meter and a magnetic stirrer; the third monitoring system comprises a support frame, a transfusion hose, a flow control valve, a peristaltic pump, a pump pipe, a centrifugal filter, a measuring box, a raw material box, a waste liquid box and an atomic absorption spectrophotometer; the grouting system comprises a urease solution barrel, a urea solution barrel, a three-way pipe and a suction pump. Biological, chemical and physical indexes in the repairing process can be monitored in real time, and the repairing process can be known.
Owner:WUHAN UNIV +2

Vacuum negative pressure type flux cleaning device and cleaning method

The present application relates to the technical field of semiconductor manufacturing, in particular to a vacuum negative pressure type flux cleaning device and a cleaning method. One side of the cavity is provided with a wafer transmission window, the center of the cavity is provided with a rotating mechanism, the lower end of the rotating mechanism is connected with a motor, the upper end of the rotating mechanism is connected with a wafer carrier, the lower end of the wafer carrier is provided with a vibrating device, the upper end of the wafer carrier is provided with an optical fiber sensor and a wafer temperature sensor, the lower end of the cavity is provided with a waste pipe, one side of the waste pipe is provided with an electric conductivity meter and an optical bubble sensor, the upper side of the wafer carrier is provided with a swing arm, the swing arm is provided with a plurality of nozzles, the upper end of the cavity is provided with a vacuum interface, a nitrogen gas interface, a negative pressure sensor and a cavity temperature sensor. Compared with the prior art, the defects of the traditional vacuum negative pressure cleaning in the differential pressure control precision and temperature adaptability are solved; under the premise of ensuring micro-bump zero damage, the flux cleaning efficiency in the narrow gap advanced packaging structure is improved.
Owner:CHIPMOS TECHNOLOGIES (SHANGHAI) LTD

Coolant recycling recovery device and control method

The application provides a cooling liquid recycling recovery device and a control method. The cooling liquid recycling recovery device comprises a cooling liquid recovery water tank, a liquid level meter, a first filter, a first deionization tank, a first electric conductivity meter, a first electromagnetic valve, a second electromagnetic valve, a second deionization tank, a second electric conductivity meter and a test bench water tank. One inlet of the cooling liquid recovery water tank is communicated with a fuel cell engine drain port through a connecting pipeline, the liquid level meter is arranged on the cooling liquid recovery water tank, the first filter, the first deionization tank and the first electric conductivity meter are sequentially arranged on the connecting pipeline at the outlet of the cooling liquid recovery water tank, the first electromagnetic valve is arranged on the connecting pipeline with the test bench water tank, and the second electromagnetic valve, the second deionization tank and the second electric conductivity meter are sequentially arranged on the connecting pipeline at the other inlet of the cooling liquid recovery water tank. The application avoids waste of the cooling liquid, thereby achieving the purposes of energy saving and cost reduction.
Owner:BEIJING SINOHYTEC

Intelligent self-adaptive electrodeionization system for hydrogen conductivity meter

The utility model discloses an intelligent self-adaptive electrodeionization system for a hydrogen conductivity meter. The intelligent self-adaptive electrodeionization system comprises an electrodeionization system main body and a structure sensor group, a quantification unit and a real-time regulation and control unit; the structural sensor group is arranged on the electrodeionization system main body and is used for acquiring structural dynamic response; the quantifying unit comprises a volume measuring element, a sectional area measuring element and a height measuring element; the volume measuring element is used for determining resin capacities of the concentrated water chamber and the fresh water chamber; the sectional area measuring element is used for determining sectional areas of the concentrated water chamber and the fresh water chamber; the height measuring element is used for determining the height ratio of the concentrated water chamber to the fresh water chamber; the real-time regulation and control unit comprises a constant-voltage unit, a variable-voltage unit, a constant-current unit, a variable-current unit, a constant-flow unit and a variable-flow unit which are respectively used for stabilizing and / or changing the membrane stack voltage, the membrane stack current and the water inlet flow of a module inlet. The utility model further discloses a hydrogen conductivity meter which comprises the intelligent self-adaptive electrodeionization system and a conductivity complete machine, and the conductivity complete machine comprises a conductivity electrode and a transmitter.
Owner:国能宁夏鸳鸯湖第一发电有限公司

Two-stage reverse osmosis concentrated water recovery automation device

The invention provides a secondary reverse osmosis concentrated water recovery automation device, and relates to the field of industrial water treatment concentrated water recovery and utilization. The secondary reverse osmosis concentrated water recovery automation device comprises a tank body used for collecting concentrated water, an online conductivity meter and an online pH meter, the online conductivity meter and the online pH meter are installed on the tank body, and sensor probe parts of the online conductivity meter and the online pH meter are located in the concentrated water at one end of the tank body. The drainage end of the tank body sequentially communicates with a water pipe A, a water pump, a water pipe B and a pneumatic three-way valve; according to the two-stage reverse osmosis concentrated water recovery automation device, the water collecting cylinder is temporarily stored in different cavities to avoid mixing of concentrated water with different water qualities, the PLC linkage detection instrument is used for precisely grading and dividing, high-quality concentrated water flows back to the first-stage reverse osmosis, and suboptimal concentrated water is recycled to a two-stage reverse osmosis process end, so that water resource waste caused by unified deep treatment or direct discharge of the concentrated water is greatly reduced; the overall concentrated water recovery rate is improved.
Owner:SHANXI LUNENG JINBEI ALUMINUM CO LTD

A silver powder washing device

The application discloses a silver powder washing device, and particularly relates to the field of precious metal smelting, which comprises a main body, a rotating part, a liquid circulation unit, a detection unit and a control unit; the liquid circulation unit comprises a plurality of liquid storage tanks and a liquid circulation module, and can realize the recovery and utilization of cleaning liquid in an inverse gradient; the detection unit detects the cleaning liquid in the main body in real time through a circulating pump, a circulating pipeline and an electric conductivity meter; the control unit judges the current cleaning stage, controls the liquid circulation module to supply liquid and recover in an inverse flow, and can adjust the washing mode of the inner cylinder according to the progress state of the current cleaning stage. The application realizes multi-stage inverse flow cleaning, can switch the washing mode corresponding to the cleaning state, and can perform high-frequency disturbance on the silver powder when passivation occurs, so that the impurity coating layer is damaged, the silver powder cleaning efficiency is improved, and the consumption of acid liquid and the discharge of waste liquid are reduced.
Owner:HENAN WANYANG PRECIOUS METALS CO LTD

Emulsion explosive stability detection device

The utility model relates to the technical field of emulsion explosive detection, and discloses an emulsion explosive stability detection device which comprises a workbench, a conductivity meter and a constant temperature heating device, the conductivity meter and the constant temperature heating device are arranged on the workbench, the constant temperature heating device comprises a connecting plate arranged on the workbench, the connecting plate is provided with a concave placing groove, and the connecting plate is provided with a plurality of grooves. A constant-temperature heating plate is arranged on the inner wall of the placement groove; an electric push rod is fixedly installed on one side of the workbench, a supporting plate is fixedly installed on an output rod of the electric push rod, and a temperature sensor is fixedly installed on the supporting plate. According to the detection device disclosed by the utility model, the constant-temperature heating device and the temperature sensor are used, so that the precipitation amount of free ammonium nitrate of an emulsion explosive matrix is not influenced by the soaking temperature, and meanwhile, the emulsion explosive is soaked in the optimal water temperature, so that the precipitation amount of the ammonium nitrate can ensure that the detection of the conductivity has an obvious measured value; and the accuracy of reflecting the stability of the emulsion explosive by the conductivity method is improved.
Owner:SICHUAN YAHUA CIVIL EXPLOSIVES GRP CO LTD

Special alternating-current resistance box for detecting conductivity meter

The utility model discloses a special alternating current resistance box for detecting a conductivity meter, which relates to the technical field of alternating current resistance boxes and comprises a resistance box main body, wiring grooves are arranged on the back of the resistance box main body at equal intervals, a wiring mechanism is arranged on the outer side of the resistance box main body, and the wiring mechanism comprises a bearing assembly and a pressing assembly. The bearing assembly and the pressing assembly are used in cooperation, the bearing assembly comprises rotating shafts, the rotating shafts are symmetrically and rotatably connected to the outer side of the resistance box body, and rotating ends are fixedly connected to the outer sides of the two rotating shafts. According to the alternating-current resistance box special for detecting the conductivity meter, due to the arrangement of the ground wiring mechanism, it can be ensured that electric wires are arranged in the wire grooves of the bearing columns in order, the electric wires are kept stable and prevented from loosening or falling off through the tension of the tension springs, the situation that the electric wires are not attached due to the toughness of the electric wires is avoided, the structure is simple, and the practicability is high. And the practicability is high.
Owner:YANGZHOU TIANYU MEASUREMENT & TESTING CO LTD

Current density measuring apparatus and corrosion measuring method

A current density measuring apparatus includes an underwater electric field sensor including a pair of electrode portions and a potential difference measuring unit to measure a potential difference between the pair of electrode portions without contacting a test object placed in water, a conductivity meter to measure a conductivity in the water, and a controller configured or programmed to acquire a current density of a current flowing from the test object into the water using the potential difference measured by the underwater electric field sensor and the conductivity measured by the conductivity meter.
Owner:SHIMADZU CORP +2

Conductivity meter capable of detecting water produced by single DTRO (Disk Tubular Reverse Osmosis) membrane

The utility model relates to the technical field of conductivity meters, and discloses a conductivity meter capable of detecting water produced by a single DTRO membrane. Comprising a conductivity meter and a protective sleeve, the protective sleeve is clamped to the outer side of the conductivity meter and used for protecting the conductivity meter, a grip is fixed to one side of the protective sleeve, and a protective shell is arranged on the outer side of the conductivity meter; the mounting plate is fixed on one side of the conductivity meter, a first mounting rack is fixed on one side of the mounting plate, the conductivity meter can be protected through the protective sleeve, abrasion to the conductivity meter caused by collision is reduced, the second mounting rack and the protective plate are quickly reset through the action of the spring and the damper, and the conductivity meter can be prevented from being damaged. According to the conductivity meter, collision impact force borne by the conductivity meter is reduced, the threaded rod ascends and descends in the supporting rod, the mounting rod and the supporting frame are ascended and descended, and therefore the effect of adjusting the supporting height of a probe of the conductivity meter is achieved, and subsequent detection on DTRO single membrane produced water with different heights is facilitated.
Owner:SHANDONG GAOSHI FILTRATION TECH CO LTD

Multi-sensor fusion type slurry concentration self-adaptive dosing control device

The invention relates to the technical field of dosing devices, and discloses a multi-sensor fusion type slurry concentration self-adaptive dosing control device which comprises a treatment barrel, and a control host is fixedly mounted on the side wall of the treatment barrel; a slurry concentration detection mechanism, a dispensing control mechanism and a stirring and feeding mechanism; the slurry concentration detection mechanism is arranged, the conductivity meter can be used for emitting current through the emitting end, and the receiver receives the current through the receiving end, so that the concentration of slurry before the slurry is added into the treatment barrel is detected, and the ultrasonic receiving head can be used for receiving ultrasonic waves and emitting the ultrasonic waves to penetrate through a slurry-water mixture. The ultrasonic transmitting head can be started to transmit ultrasonic waves by making contact with the inductive switch in the mounting groove through the trigger piece, the concentration of slurry in the treatment barrel can be detected in multiple aspects through rotation of the mounting barrel, and the average value is calculated through the control host, so that the concentration of the slurry in the treatment barrel is detected more accurately; therefore, chemicals can be quantitatively added according to the specific concentration of slurry.
Owner:SUZHOU ZHONGSHENG ENVIRONMENTAL REMEDIATION CO LTD

Signal connection device for verification of conductivity meter

The utility model discloses a signal connection device for conductivity meter verification, and relates to the technical field of signal connection, the signal connection device comprises a conductivity meter main body, the top of the conductivity meter main body is fixedly connected with connectors at equal intervals, the interior of the conductivity meter main body is provided with a storage groove, one side of the interior of the conductivity meter main body is provided with a power groove, and the power groove is connected with the storage groove. The conductivity meter main body is internally provided with a connecting mechanism, the connecting mechanism comprises a winding assembly and a releasing assembly, the winding assembly and the releasing assembly are used in cooperation with each other, and the winding assembly comprises a fixing frame. According to the signal connecting device for verification of the conductivity meter disclosed by the utility model, through the design of the connecting mechanism, the convenient winding and releasing functions of the signal line are realized. The winding assembly can stably wind the signal line and prevent the signal line from being wound or damaged; the releasing assembly flexibly controls releasing of the signal line, excessive loosening is avoided, storage is convenient, the structure is simple, and practicability is high.
Owner:YANGZHOU TIANYU MEASUREMENT & TESTING CO LTD

Pure water membrane cleaning and wastewater recycling system and process

The invention relates to the technical field of water treatment, in particular to a pure water membrane cleaning and wastewater recycling system and process. The system comprises a raw water tank, a membrane element, a booster pump, a clean water tank, a cleaning pump, a wastewater return pipe, a wastewater discharge pipe, a wastewater online conductivity meter and a PLC control system. During normal water production, part of wastewater can flow back to the raw water tank to be recycled; and in a cleaning mode, the system stops producing water, pure water in the water purification tank is used for flushing the membrane element, all flushing wastewater returns to the raw water tank through the wastewater return pipe, the water quality is monitored in real time through the online conductivity meter, and the PLC control system automatically judges and stops cleaning according to the conductivity value. The system realizes full recovery of cleaning wastewater and intelligent cleaning control, and has the advantages of water saving, emission reduction, efficient cleaning, membrane service life prolonging, automatic operation and the like.
Owner:SHANDONG TUOLAN WATER SHIELD ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Carbon dioxide concentration apparatus and information processing method

This invention provides a technology that allows for the determination of the electrical conductivity of a solution in a carbon dioxide concentration device. [Solution] The carbon dioxide concentration apparatus comprises an absorption unit that absorbs carbon dioxide in a process gas into a predetermined solution, and an electrochemical cell that generates a gas containing carbon dioxide at a higher concentration than the process gas from the predetermined solution that has absorbed carbon dioxide. The electrochemical cell comprises an anode, a cathode, an anode liquid chamber through which predetermined ions are supplied from the anode and through which the predetermined solution that has absorbed carbon dioxide flows, a cathode liquid chamber that supplies the predetermined solution to the cathode, the anode liquid chamber, and an electrolyte membrane provided between the cathode liquid chamber and the cathode liquid chamber. An electrical conductivity meter for measuring the electrical conductivity of the predetermined solution is provided inside the anode liquid chamber or the cathode liquid chamber, or in a passage connected to the anode liquid chamber or the cathode liquid chamber.
Owner:GS YUASA CORP

Improved reverse osmosis scale inhibitor performance automatic evaluation method and device

The invention provides an improved reverse osmosis scale inhibitor performance automatic evaluation method and device. According to the improved automatic evaluation method for the performance of the reverse osmosis scale inhibitor, the scaling process is simulated in an automatic titration mode, the failure critical point of the scale inhibitor is judged according to the conductivity mutation point, and then the highest recovery rate which can be achieved by a reverse osmosis system under the specific dosage is calculated and serves as a core evaluation index of the performance of the scale inhibitor. The system consists of a liquid storage unit, a liquid conveying unit, a measuring unit and a control unit, integrates a high-precision injection pump, an on-line conductivity meter, a temperature sensor, an automatic titrator and a closed measuring cup, and realizes full-process automatic operation including sampling, dosing, titration, end point identification, waste liquid discharge and cleaning. According to the invention, the recovery rate which can be reached by the reverse osmosis system can be directly output, the accurate association between the scale inhibitor performance and the actual operation parameters is realized, and the practicability and guidance of the test result are improved.
Owner:XIAN TPRI WATER & ENVIRONMENTAL PROTECTION +3

Conductivity meter (XS-307B)

ActiveCN309925293SSoil scienceEngineering
1. Name of the product in this design: Conductivity Meter (XS-307B). 2. Purpose of this design: It is mainly used to determine the electrical conductivity of water, the salt content of a solution, and the total soluble salt content of soil. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.
Owner:JINAN XUANSHENG ENVIRONMENTAL TECH CO LTD

An intelligent cleaning system for a biologic production pipeline

The utility model discloses an intelligent cleaning system of biological product production pipeline belongs to pharmaceutical equipment cleaning technical field, including external water system, actuating mechanism, detection structure and controller, and external water system is connected to the water inlet end and water outlet end of biological product production pipeline through water inlet pipe and water outlet pipe respectively and forms the cleaning loop, and actuating mechanism includes the heating device and water pump of being established on water inlet pipe, and detection mechanism includes the conductivity meter of being established on water outlet pipe and the optical sensor of being established in biological product production pipeline inside, and controller is connected conductivity meter, optical sensor, heating device and water pump respectively. Can solve the problem that the single sensor system of present adoption cannot identify all kinds of pollutants comprehensively, leads to not completely clean, and the system energy consumption and low cleaning efficiency possibly caused by adopting normal temperature water, can realize the comprehensive monitoring and efficient removal of multiple pollutants, completely satisfy the strict requirement of biological product (for example vaccine) production to pipeline cleanliness.
Owner:FOSUN ADGENVAX BIOTECHONOLOGY CO LTD

A paddy field water level monitoring device and a monitoring method

The application discloses a kind of paddy field water level monitoring device and monitoring method, the monitoring device disclosed in the application is measured by polar plate voltage, accurately measure water level height, additionally set conductivity meter or micro polar plate carries out conductivity detection, completes conductivity correction, and set water temperature meter carries out water temperature detection, completes water temperature correction, so that monitoring data is more accurate, single-chip microcomputer can complete the entry, transmission and display of the data required in detection process by man-machine interface or input-output interface, the monitoring method disclosed in the application can establish the relationship curve of accurate water level and measured voltage, voltage-conductivity standard relationship curve and voltage-(water level, conductivity) calibration surface under the same conductivity and different water temperature, the water level of rice field is realized accurate measurement by the relationship curve of water level and measured voltage, conductivity and water temperature correction are completed by voltage-conductivity standard relationship curve and voltage-water temperature calibration curve under different water temperature, and multi-dimension ensures measurement accuracy.
Owner:HOHAI UNIV +1

Multistage parallel pneumatic rainwater outlet sewage intercepting device

The utility model relates to the technical field of sewage intercepting devices, in particular to a multistage parallel pneumatic rainwater drainage port sewage intercepting device which comprises a sewage intercepting box, a grating unit, a sewage intercepting unit and a drainage unit are arranged in the sewage intercepting box from front to back, and a water inlet pipe and a water outlet pipe are fixedly installed on the outer side of the grating unit and the outer side of the drainage unit respectively. A conductivity meter is fixedly installed at the position, close to the water inlet pipe, in the grating unit, a Doppler current meter is fixedly installed in the water outlet pipe, a grating plate is movably installed between the grating unit and the sewage intercepting unit, and a partition plate is fixedly connected between the sewage intercepting unit and the discharging unit. A drainage assembly is mounted in the discharge unit and located on the partition plate; compared with an existing rainwater drainage port sewage intercepting device, the rainwater drainage port sewage intercepting device has the advantages that the whole rainwater drainage port sewage intercepting device is convenient to disassemble, assemble and overhaul, and the drainage amount can be intelligently controlled.
Owner:HUZHOU HENGSHITONG ENVIRONMENTAL ENGINEERING CO LTD

A direct drinking water pipeline equipment

The application relates to the technical field of water purification, and discloses a pipeline direct drinking water equipment, which comprises, in sequence, a raw water tank, a bacteriostatic PVDF inner pressure type ultrafiltration membrane group, a bacteriostatic carbon fiber filter group, an RO membrane group and a pure water tank; the raw water tank is provided with a first electric conductivity instrument, a first water inlet and a first water outlet; the pipeline direct drinking water equipment further comprises a concentrated water tank provided with a sixth water inlet and a sixth water outlet. The pipeline direct drinking water equipment of the application realizes effective recovery of RO membrane concentrated water, improves the utilization rate of water resources and reduces the water purification cost under the premise of guaranteeing the quality of direct drinking water.
Owner:SHANDONG SANDISHUI WATER PURIFICATION TECHNOLOGY CO LTD

Fuel cell system and vehicle

The utility model provides a fuel cell system and a vehicle, the fuel cell system comprises a fuel cell, a power supply module, a first isolation device, a second isolation device, a controller and a fuel cell cooling system, the fuel cell cooling system comprises a conductivity meter; one end of the first isolation device is connected with the anode of the fuel cell, and the other end is connected with the input anode of the power supply module; one end of the second isolation device is connected with the cathode of the fuel cell, and the other end is connected with the input cathode of the power supply module; the controller is connected with the control end of the first isolation device and the control end of the second isolation device. The conductivity meter is electrically connected with the controller; the controller is used for receiving the conductivity detected by the conductivity meter and controlling the first isolation device and the second isolation device to be conducted under the condition that the conductivity is smaller than a first preset value; the power supply module is used for supplying power to external parts; therefore, the insulating property of the fuel cell system is improved.
Owner:SHANGHAI QINGNENG HARUIZI NEW ENERGY TECH CO LTD

Liquid level and conductivity linkage control system of evaporative condenser

The utility model belongs to the technical field of intelligent control of evaporative condensers, and particularly relates to a liquid level and conductivity linkage control system of an evaporative condenser. The system comprises at least one evaporative condenser, wherein the evaporative condenser comprises a main body and a water pan positioned in the main body; the detection unit comprises a liquid level meter and a conductivity meter which are respectively used for detecting the liquid level and the conductivity of circulating water in the water tray; the liquid level adjusting unit is used for adjusting the liquid level of circulating water in the water tray; the pollution discharge unit is used for discharging impurities in the water tray; and the control unit is electrically connected with the detection unit, the liquid level adjusting unit and the pollution discharge unit and used for receiving the detection result of the detection unit and controlling the states of the liquid level adjusting unit and the pollution discharge unit in a linkage mode based on the detection result. The evaporative condenser solves the problems that in the prior art, a water pond of an evaporative condenser scales, water resources are wasted due to the fact that the amount of discharged water is too large, and operation of the evaporative condenser is unstable due to the fact that the lower discharged water level is too low.
Owner:SHANDONG DONGYUE POLYMER MATERIAL

Industrial liquid tank testing device

The utility model relates to the technical field of industrial liquid tank measurement, and particularly discloses an industrial liquid tank testing device which is characterized in that a connecting frame is fixedly mounted on a flying bar cross beam, a mounting box is fixedly mounted on the flying bar cross beam, and the mounting box is provided with a containing cavity; a plurality of metering and testing standard devices such as a temperature sensor, a standard acidity meter sensor, a standard conductivity meter sensor and a standard liquid level meter are integrated on the device and are compared with monitoring instruments of an industrial liquid tank system on line, and the integrated structure is adopted, so that the volume occupation amount is effectively reduced, the space utilization rate of a production site is improved, and the production cost is reduced. And the device can be conveniently installed on a production line travelling crane flying bar and can be driven by a travelling crane to move among the industrial liquid tanks for measurement, so that the precision test efficiency and the temperature uniformity test efficiency of the industrial liquid tank system are improved.
Owner:SHANGHAI AIRCRAFT MFG

Fuel cell system

A main object of the present disclosure is to provide a fuel cell system capable of rapidly determining occurrence of a leak. The present disclosure achieves the object by providing a fuel cell system comprising: a fuel cell, a coolant circuit that circulates a cooling liquid to cool the fuel cell, a conductivity meter that measures a conductivity of the cooling liquid, and a determination device that determines a leak of the cooling liquid; wherein the determination device includes: an acquisition unit that acquires a conductivity of the cooling liquid from the conductivity meter, and a determination unit that determines a leak of the cooling liquid based on a fluctuation of the conductivity.
Owner:TOYOTA JIDOSHA KK

A system for monitoring in situ the cathode / anode potential of an electrochemical desalination process

The application discloses a system for monitoring the cathode / anode potential of an electrochemical desalination process in situ, comprising an electrochemical workstation, a voltage stabilizer, a computer and an electric conductivity instrument, further comprising a peristaltic pump connected with an electrochemical desalination tank, a desalination water tank, a to-be-measured liquid tank and a concentrated water tank through pipelines, the concentrated water tank is connected with the peristaltic pump through a pipeline, further comprising a modified reference electrode and a sensor group, the peristaltic pump is electrically connected with the computer; the lug of the cathode / anode with fixed holes of the electrochemical desalination tank is electrically connected with COM 1 and COM 2 of the electrochemical workstation respectively; the second lug of the second cathode / anode with fixed holes is electrically connected with COM 1 and COM 3 of the electrochemical workstation respectively; the desalination water tank is electrically connected with the electric conductivity instrument; the sensor group is electrically connected with the computer; the system can monitor the change rule of the cathode / anode potential with time in the normal test process of the electrochemical desalination in situ.
Owner:ZHEJIANG INST OF TIANJIN UNIV (SHAOXING)

A cooling medium purifier for a cold plate system

ActiveCN224556097UpH meterStraight tube
The utility model discloses a cold plate system cooling medium purification device can carry out circulating purification to the cooling medium in cold plate system, and the problem of turbidity, PH value and conductivity parameter of cooling medium of faster improvement does not reach the standard, and good use flexibility can significantly reduce the overall cost. In the application, including water inlet main pipe, water inlet monitoring pipe, water inlet observation pipe, reagent pipe, dosing tank, mixing tank and water outlet main pipe, the turbidimeter, the pH meter and the conductivity meter are equipped on the water inlet monitoring pipe, the observation front valve, the observation branch pipe and the observation rear valve are equipped on the water inlet observation straight pipe section, one end of the observation branch pipe is communicated with the water inlet observation pipe, the other end of the observation branch pipe is equipped with the hanging piece screw cover, the observation hanging piece is equipped on the hanging piece screw cover, the drift pole is equipped in the water inlet observation straight pipe section, the upper end of the drift pole is hinged with the observation hanging piece, two limit vertical pieces are equipped in the water inlet observation straight pipe section, the mixing tank is communicated with the water outlet main pipe, the water outlet on-off valve is equipped on the water outlet main pipe, and the dosing pump is equipped on the reagent pipe.
Owner:HANGZHOU YINGKE INTELLIGENT TECH CO LTD

Automatic ammonia preparation device for adding ammonia water to condensed water at multiple points

The utility model discloses an automatic ammonia preparation device for adding ammonia water into condensed water in a multi-point manner, and belongs to the technical field of industrial water treatment. Comprising an ammonia preparation unit, a multi-path adding unit and a control unit, the ammonia preparation unit comprises an ammonia water storage tank, a desalted water tank, a mixing and diluting tank, a first metering pump, a second metering pump and an online conductivity meter; the ammonia preparation unit is used for mixing ammonia water and desalted water in proportion; the multi-path adding unit comprises a main distribution pipeline and at least three parallel adding branches, each adding branch is communicated with a regulating valve, a flow meter and a static mixer, and the multi-path adding unit is used for adding mixed ammonia water to a plurality of adding points of the condensed water system; the control unit comprises a PLC (Programmable Logic Controller) and a pH sensor, the pH sensor is used for monitoring the pH value of condensed water at each feeding point, the PLC is in signal connection with the pH sensor, the online conductivity meter, the regulating valve and the flow meter, and the control unit is used for realizing dynamic flow distribution.
Owner:HUADIAN INNER MONGOLIA ENERGY CO LTD

Device for regenerating denitration catalyst

The utility model discloses a device for regenerating a denitration catalyst, and relates to the technical field of catalysts. According to the technical scheme, the device comprises a cleaning tank and a wastewater treatment tank, a to-be-regenerated catalyst and a cleaning agent are placed in the cleaning tank, a bubbler, a first pH meter and a conductivity meter are arranged in the cleaning tank, the cleaning tank is connected with the wastewater treatment tank through a pipeline, and the wastewater treatment tank is connected with a blow-off pipeline and is connected with a flocculant storage tank through a pipeline; and the cleaning tank and the wastewater treatment tank are respectively connected with the acid storage tank and the alkali storage tank through pipelines. Harmful elements in the waste catalyst are removed in a physical cleaning and chemical cleaning combined mode, the cleaning degree of the catalyst is judged according to the conductivity and the pH value detected in real time, cleaning parameters are optimized accordingly, and therefore the cleaning efficiency and the cleaning effect are improved.
Owner:HUADIAN HAMI ENVIRONMENTAL PROTECTION TECH CO LTD