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86 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

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

Explosion-proof online conductivity meter

The utility model relates to an explosion-proof on-line conductivity meter which comprises an explosion-proof casing, a main control board, a conductivity sensor connector, a temperature sensor connector, a split type cable connector and a liquid crystal screen. A conductivity measurement module, a temperature measurement module, a processing module, a display module, an integrated Hart module, a key module and an infrared remote control module are integrated on the main control board; the integrated Hart module and the power supply module are connected out of the split type cable connector through a data line IO and a power line Vin. The explosion-proof on-line conductivity meter is high in system integration level and low in failure rate, infrared remote control and Hart communication support structures are added on the basis of functions of an existing explosion-proof conductivity meter, the explosion-proof on-line conductivity meter has the functions of field data display, remote control, remote centralized control and data transmission, meanwhile, the main control board is optimized, and the explosion-proof on-line conductivity meter is convenient to use. And the functions of field data display, short-distance remote control and the like are expanded.
Owner:ZHENGZHOU DARKE ELECTRONIC TECH CO LTD

Conductivity measuring assembly suitable for high-temperature and high-salinity wastewater

The utility model relates to the technical field of wastewater conductivity measurement, in particular to a conductivity measurement assembly suitable for high-temperature and high-salinity wastewater, which comprises a conductivity instrument, an electrode, a flow cell, a connecting valve I, a connecting pipe I, a connecting valve II, a connecting pipe II and a three-way joint, the conductivity meter is electrically connected with the electrode, the electrode is mounted at the inner top of the flow-through cell, a bottom port of the flow-through cell is connected with the three-way joint mounted on a wastewater process pipeline through a connecting valve I, the side surface of the flow-through cell is connected with the connecting pipe I, and the connecting pipe I is connected with the flow-through cell. The first connecting pipe is connected with the second connecting pipe through a second connecting valve, and the second connecting pipe is used for guiding waste water into a recycling pool and / or a trench. By applying the conductivity measuring assembly suitable for the high-temperature and high-salinity wastewater, the conductivity of the wastewater can be accurately measured in real time, and the electrodes are not easy to damage.
Owner:SHANDONG SHENHUA SHANDA ENERGY ENVIRONMENTAL +1

Self-adaptive switching heat supply network draining and desalting system

The invention provides a self-adaptive switching heat supply network draining and desalting system. The self-adaptive switching heat supply network draining and desalting system comprises a water inlet pipe, a cation bed, a first branch pipe, an anion bed, a second branch pipe, a mixed bed, a water outlet pipe, a first bypass, a second bypass, a third bypass and a conductivity meter, the water inlet pipe, the cation bed, the first branch pipe, the anion bed, the second branch pipe, the mixed bed and the water outlet pipe are sequentially connected; the input end of the first bypass is connected with the water inlet pipe, and the output end is connected with the second branch pipe; the input end of the second bypass is connected with the first branch pipe, and the output end of the second bypass is connected with the second branch pipe; the input end of the third bypass is connected with the second branch pipe, and the output end of the third bypass is connected with the water outlet pipe; the conductivity meter is arranged on the water inlet pipe; and determining the desalting path of the drainage of the heat supply network according to the water inlet conductivity value and different water outlet quality requirements. The method has the technical effects that different desalting paths of heat supply network drainage can be switched according to the water quality condition of inlet water and different water replenishing position requirements during actual operation, the desalting process of the heat supply network drainage and the corresponding resin regeneration process are mutually standby, the operation is simple, and the cost is saved.
Owner:GUONENG NINGDONG NO 1 POWER GENERATION CO LTD +1

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

Method for enhancing impermeability of composite solidified soil

The invention provides a composite solidified soil anti-permeability performance enhancing method, and belongs to the technical field of soil solidification. Through particle screening or mixing treatment, a nano silicon dioxide modified curing agent solution is prepared, and the ion concentration and the pH value are controlled through a conductivity meter and a pH meter; ultrasonic oscillation equipment is adopted to assist mixing, a moisture content-compactness response matrix is established to dynamically adjust power density, molecular dynamics simulation software is utilized to construct a soil pore structure model, an evolution process is simulated through a Monte Carlo method, and a pore connectivity index is calculated to guide compaction treatment intensity adjustment. A multi-factor accelerated aging test system is established to regularly measure the change of the permeability coefficient and construct an attenuation matrix, and when the attenuation rate exceeds a threshold value, an early warning mechanism and a reinforcing treatment program are started, so that the technical problem that a systematic process parameter regulation and control method is lacked in the solidified soil preparation process is solved.
Owner:CHINA CONSTRUCTION INDUSTRIAL & ENERGY ENGINEERING GROUP CO LTD

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

Device for detecting chloride ions in methanol

The utility model provides a device for detecting chloride ions in methanol, which is characterized in that a synthesis gas pipeline is communicated with a washing tower, the tower top of the washing tower is sequentially communicated with a tower top condenser and a return tank through pipelines, the return tank is communicated with the tower top of the washing tower through a pump and a pipeline, and a first detection pipeline is led out of the tower top of the washing tower to form a loop with the washing tower; a first conductivity meter is arranged on the first detection pipeline, a second detection pipeline is arranged on a discharging pipeline leading-out pipeline of the tower top condenser and the return tank, and a second conductivity meter is arranged on the second detection pipeline. According to the utility model, the working performance and effect of the washing tower are judged through the conductivity. And two conductivity detection points are arranged on the tower top backflow piping and the liquid blanking pipeline of the washing tower, so that the detection accuracy is ensured. A section of U-shaped pipe is arranged on the backflow pipeline, the first detection pipeline is communicated with the bent pipe section of the U-shaped pipe, the heat exchanger carries out detection after water vapor separation, the conductivity can be measured after gas-liquid separation, and the detection accuracy is improved.
Owner:HUBEI XINGRUI SILICON MATERIAL 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

Dilute chemical solution production device

Dilute chemical solution production device (1) has a plunger pump and a chemical solution supply pipe (3) that supply a chemical solution S from a chemical solution reservoir. The end of the chemical solution supply pipe (3) serves as an injection point 11 for the chemical solution (S). The chemical solution supply pipe (3) is inserted to an approximately central position in the radial direction of an ultrapure water passage (12), which is a first pipe, via a bore-through joint (13). Conductivity meter (14) as a conductivity measuring meter is provided on the downstream side of the bore-through joint (13), which serves as the injection point (11), and is connected to a controller so that the plunger pump (4) can be controlled in accordance with the measured value of the conductivity meter (14).
Owner:KURITA WATER INDUSTRIES 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

A method for accurately controlling the water quality of cooling water in a condenser rotor

The present invention provides a method for precisely controlling the water quality of cooling water within a phase shifter rotor. This method utilizes a bipolar membrane reactor, a rectifier, and a control system to precisely control the water quality of the rotor cooling water. By circulating the electrode liquid between the electrode liquid chamber and the electrode liquid water tank, circulating the anion receiving liquid between the anion receiving chamber and the anion receiving box, and circulating the rotor cooling water between the rotor cooling water chamber and the raw water tank, the rotor cooling water can be introduced into the raw water tank through a bypass and then returned from the raw water tank to the rotor cooling water system. The quality of the rotor cooling water introduced into the raw water tank is monitored in real time using an online pH meter and an online conductivity meter attached to the cooling water circulation line. The rectifier controls the parameters of the direct current applied to the operating membrane stack. The present invention offers enhanced controllability and stability, enabling precise control and recycling of the rotor cooling water quality. It also eliminates the need for an ion exchanger for ion exchange desalination, resulting in low energy consumption and zero pollution.
Owner:STATE GRID ANHUI ELECTRIC POWER CO LTD ELECTRIC POWER SCI RES INST

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

Method for controlling iron transfer through extraction of high-iron feed liquid

PendingCN121109769AProcess efficiency improvementWash waterLiquid iron
The invention relates to a method for controlling iron transfer through high-iron feed liquid extraction, and overcomes the defects in the prior art. Comprising the following steps: 1) carrying out multi-stage parallel extraction by using an extraction device, and conveying raffinate to a storage yard through a reflux pipeline for cyclic utilization; 2) arranging a washing water circulating tank and a washing water circulating pump to construct a washing-grade water phase circulating system, keeping the total volume V washing water of washing water circulation to be greater than or equal to V organic phase, and adjusting the opening degree of a washing water-grade reflux valve according to the feedback value of the online conductivity meter to control the continuous water phase in the washing mixing chamber; (3) establishing a double-circulation discharging system of the electro-barren liquor and the washing water, and keeping the iron concentration of the electro-barren liquor, the copper concentration of the washing water and the acid concentration in a certain range by adjusting the discharging flow; and 4) arranging a steady flow plate and an inclined overflow baffle in the organic phase tank to implement standing dehydration of the organic phase, and conveying the water phase to an extraction clarification tank through a centrifugal pump. The chemical extraction amount of the organic phase to iron during extraction is reduced; the washing of the washing water on the organic phase is enhanced; and the washing effect of washing water is improved.
Owner:WANBAO MINING

Electroplating wastewater heavy metal membrane separation and concentration synchronous spectrum detection device and method

The invention relates to the technical field of electroplating wastewater treatment, and discloses an electroplating wastewater heavy metal membrane separation and concentration synchronous spectrum detection device and method.The electroplating wastewater heavy metal membrane separation and concentration synchronous spectrum detection device comprises a sewage collection box, a medicine spraying assembly, two-end filtering assemblies, a sediment scraping assembly, a nanofiltration membrane concentration assembly, a spectrum detection circulation box, a conductivity instrument, a cooling assembly and a central control system. According to the invention, coagulation, filtration and adsorption pretreatment are automatically completed in the sewage collection tank, and precipitates are scraped off at regular time; then, the pretreated water is concentrated by using a nanofiltration membrane concentration assembly, and a concentrated solution flows through a spectrum detection circulation box in real time for on-line concentration detection. And the central control system compares the detected concentration with a preset threshold value, and controls the concentrated solution to circulate or reach the standard to be led out, so that closed-loop feedback is realized. The device also adopts conductivity and spectrum two-parameter cooperative control, and utilizes a cooling assembly to carry out constant temperature adjustment. The method solves the problems that the pretreatment operation is dispersed, the concentration end point is inaccurately judged and the detection data is easily interfered.
Owner:NINGBO POLYTECHNIC

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

Static mixer-based experimental device for improving uniformity of PVB synthesis and method thereof

The application discloses a kind of experimental device and method for improving PVB synthesis uniformity based on static mixer, it is related to mixer technical field, including: agitator tank, butyl aldehyde pump is fixedly installed at the top of the agitator tank, hydrochloric acid pump is fixedly installed at the top of the agitator tank, additive pump is fixedly installed at the top of the agitator tank, mixing device, the mixing device is arranged inside the agitator tank, the stirring device includes motor, static mixing equipment, temperature detector, temperature adjusting device, conductivity meter, electric telescopic handle, storage rack, reciprocating screw rod, shear agitator, L-shaped rod, threaded block, U-shaped frame, rack, gear, rotating rod and turnover plate, electric telescopic handle will drive storage rack to move upwards, make solid acid and solution separate, prevent polymerization speed too fast, there is security risk, turnover plate rotation will push the solution precipitated in bottom upwards, prevent solution precipitate in bottom, cause synthesis uniformity reduce, affect reaction effect.
Owner:EVERLIGHT YEAR POLYMER MATERIALS (JIANGSU) 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

Intelligent dosing system and method for water treatment

The invention relates to the technical field of sewage treatment, in particular to an intelligent dosing system and method for water treatment.The intelligent dosing system comprises a workshop material feeding data acquisition module, a control module, a raw water collecting pool, a PH adjusting pool, a flocculation reaction pool, a water outlet and a dosing module, and a first online conductivity meter is arranged in the flocculation reaction pool; the output end of the workshop material putting data acquisition module and the output end of the first online conductivity meter are electrically connected with the input end of the control module, the control module comprises an intelligent learning module, and the control module adjusts the medicine adding amount of the medicine adding module in real time according to the medicine adding amount obtained through optimization of the intelligent learning module. The water body conductivity change is monitored in real time, a feedback control system is constructed in combination with data information acquired by the workshop material putting data acquisition module, the chemical adding strategy can be optimized based on the nonlinear relation between the historical chemical adding amount and the conductivity change, the chemical adding amount can be dynamically adjusted, chemical waste is reduced, and the operation cost is reduced.
Owner:GUANGREEN ENVIRONMENTAL PROTECTION ENG +1