417 results about "Sample water" patented technology

The invention discloses a low sample hydro-generator fault diagnosis method based on transfer learning. The method comprises the following steps: collecting a current signal, a vibration signal, a temperature signal and a voiceprint signal; executing preprocessing; performing label labeling, and dividing the data into a source domain data set and a target domain data set; operating parameters of the hydro-generator are collected, processed and combined into working condition feature vectors; training a source domain base model on the source domain data set to generate a pre-training parameter set; establishing a physical constraint module, and binding the physical constraint module with the parameter updating process of the source domain base model; initializing a transfer learning model, and calling a physical constraint module to apply constraint to generate a physically constrained transfer learning model; performing increment fine adjustment; and outputting a diagnosis result vector through the transfer learning model after increment fine tuning. According to the method, transfer learning and physical constraints are combined, hydro-generator fault diagnosis is optimized through increment fine tuning, and the method has the advantages of high precision, small sample adaptability and physical consistency verification.

The invention relates to the technical field of detection, in particular to an automatic water quality detection method and device, and the method comprises the steps: carrying out the multi-scale collection processing of a sample water body based on a distributed sensor network, extracting the spatial correlation features of multiple levels in an original data set, carrying out the feature reconstruction of the original data set according to the spatial correlation features, generating a feature enhancement data set; performing graph structuring processing according to the feature enhancement data set, and outputting to obtain a water quality feature graph; inputting the water quality feature map into a multi-task learning model, optimizing the multi-task learning model based on a loss function, and outputting a multi-parameter prediction result; performing reverse propagation processing on the multi-parameter prediction result to generate a spatial distribution diagram of the water quality parameters; and performing multi-scale pollution influence assessment based on the spatial distribution map, and generating a comprehensive water quality monitoring report. The core problem that the overall pollution condition and the dynamic change trend of the water body are difficult to accurately reflect in the prior art is solved, and the precision and practicability of water quality monitoring are remarkably improved.

The invention discloses a water pollution cross-domain traceability method based on multi-chain collaboration and stable isotope source analysis, and relates to the technical field of water environment monitoring, the method comprises the following steps: pollution source chemical fingerprint construction: collecting an environmental water sample and a potential pollution source sample in a drainage basin; adopting a mass spectrometer to detect stable isotope compositions such as delta 13C, delta 15N, delta 18O and the like in the pollutants; and performing morphological division on the pollutants by using a morphological grading extraction technology. Homology judgment precision is greatly improved through isotope and morphological analysis; cross-chain credible collaboration is achieved, multi-party data interaction is achieved, and timeliness and accuracy of pollution tracing are guaranteed; the space-time model traceability is combined with an evolution path and gridding mapping, so that the pollution inversion accuracy is improved; and ecological compensation support provides a quantitative basis for pollution intensity and diffusion range so as to support a compensation model.

The invention discloses an environmental pollution detection device, and belongs to the technical field of underground water pollution detection sampling devices. The environmental pollution detection device comprises a sampling assembly, the sampling assembly comprises a sampling pipe and control valves, a plurality of storage cavities are formed in the sampling pipe along the axis of the sampling pipe, the side face of each storage cavity is at least connected with one control valve, penetrating through grooves are formed in the outer side wall of the sampling pipe in the axis direction of the sampling pipe, and the control valves are all arranged in the first penetrating through grooves. The protection assembly comprises a spring and a baffle, a plurality of second penetrating through grooves are formed in the baffle, the propelling assemblies are evenly arranged in the second penetrating through grooves in the axis direction of the sampling pipe, and when the sampling pipe is lowered into a to-be-sampled water body, the baffle in the protection assembly can extrude the control valve, and components of different water body layers are prevented from being attached to an inlet of the control valve; after the sampling position is reached, the baffle moves upwards, the control valve is opened under the action of the spring, and then sampling is carried out, so that the obtained sample is more accurate and representative.

The invention discloses a quantitative evaluation method and system for leakage of a municipal drainage pipe network, and relates to the technical field of water information processing. A quantitative evaluation method for leakage of a municipal drainage pipe network comprises the following steps that S1, sewage quality samples of all sewage sources of a target sewage plant service area are collected, and the sewage sources comprise raw sewage of the target sewage plant service area and external water of the target sewage plant service area; s2, constructing a stable isotope source feature library of the external water and the raw sewage based on the sewage quality sample; s3, collecting a sewage sample at the water inlet end of the target sewage plant to obtain stable isotope abundance data; s4, on the basis of the stable isotope abundance data and the water source analysis model, obtaining the contribution ratio of each sewage source; and S5, based on the total amount of sewage treated by the target sewage plant and the contribution ratio of the sewage source, obtaining the pipe network leakage amount. Through the scheme, quantitative evaluation of leakage of the municipal drainage pipe network can be realized.

The invention relates to a petroleum water quality sample sampler for surface water. The petroleum water quality sample sampler comprises a supporting base, a plurality of supporting rods evenly arranged in the circumferential direction of the supporting base, a top cover arranged between the supporting rods, rope hook holes formed in the tops of the supporting rods, locking mechanisms arranged on the supporting rods in a sliding mode, and sampling mechanisms arranged on the supporting rods; according to the invention, the following problems can be solved: through cooperation of a fixing clamping belt and a locking bolt, a sampling bottle body is fixed, so that the situation that the total amount of collected samples does not reach a target due to deviation of the sampling bottle body during sampling is prevented; a fixed bottle plug is matched with a sampling bottle opening, and a floating plug is arranged, so that water on the surface is prevented from polluting the device and further polluting the sample; through cooperation of the floating plug and the clamping block, columnar water sample collection of petroleum underground water can be realized; the sealing performance is improved through the matching of the sealing ring and the sealing seat, so that the sample in the sampling bottle body is prevented from flowing out from the bottom.

The utility model relates to the technical field of water conservancy and hydropower construction, and discloses a multi-environment water quality detection device for water conservancy and hydropower construction, which comprises a tank body, a fixing ring is sleeved on the surface of the tank body, supporting plates are fixedly connected with two sides of the fixing ring in an axial symmetry manner, and a supporting block is fixedly connected with the top of one end of each supporting plate. The top of the supporting block is fixedly connected with a filtering assembly used for filtering sand and stones in water. According to the multi-environment water quality detection device for water conservancy and hydropower construction, through the arrangement of the stirring assembly, a water source enters the tank body after being filtered, and when a worker needs to detect the water source, a driving motor can be connected to an external power source in advance, so that the driving motor drives an annular blade to stir in the tank body through a rotating rod; pollutants in water can be uniformly distributed by stirring the sample water, so that the condition of water quality is reflected more accurately, the condition that the concentration of local pollutants is too high or too low is avoided, and the accuracy of water quality detection data is further improved.

The invention relates to the technical field of side slope sampling, and discloses side slope environment sampling equipment for water and soil conservation, which comprises a sampling barrel, and further comprises a sampling disc fixedly mounted at the bottom of the sampling barrel; the sludge sampling assembly is arranged on the sampling disc, and the sludge sampling assembly is used for sampling side slope sludge; the sealing disc is slidably arranged in the sampling barrel, and a piston rod is vertically arranged at the top of the sampling barrel; the limiting and unlocking assembly is arranged at the top of the sampling barrel, and the limiting and unlocking assembly is used for limiting the piston rod. The device can sample water and sludge at the slope at the same time, avoids the situation that water and sludge samples need to be collected separately and cannot be collected at the same time, and consequently the overall sampling efficiency is low, and can also indicate when water sampling reaches the specified depth, so that the uniformity, accuracy and uniformity of the water sampling depth are guaranteed, and the sampling efficiency is improved. Therefore, the sampling effect of the equipment on the slope environment is improved.

The invention discloses a power plant water vapor centralized sampling device and method. The power plant water vapor centralized sampling device comprises a high-temperature and high-pressure sampling valve, a filter, a cooler, a cooler water inlet regulating valve, a cooler water return valve, a pressure reducing valve, a safety valve, an electromagnetic valve and a temperature controller. By means of the arrangement, in actual operation, the problems that a filter of a water vapor centralized sampling device is frequently blocked and cannot be thoroughly washed, and steam is easily discharged during sampling pollution discharge can be solved through the water vapor centralized sampling device. The opening degree of the cooling water inlet regulating valve of the cooler can be automatically regulated according to the temperature of the cooled sample water, so that the flow of the cooling water is reduced, the cooling water is saved, and the water vapor centralized sampling device is more economical and safer to use. Not only is the workload of workers reduced, but also the workers do not need to worry about steam discharge and scald accidents during pollution discharge. Compared with a traditional steam-water centralized sampling system, the safety and the convenience are greatly improved.

The utility model provides a mercury-containing organic wastewater treatment device in a Tibetan medicine processing process. The mercury-containing organic wastewater treatment device comprises a raw water tank, a micro-filtration membrane treatment unit, an electro-catalysis pretreatment unit, a mercury capturing and separating unit and a high-precision filtering unit which are sequentially connected, and the electro-catalysis pretreatment unit is further connected with a comprehensive waste gas purification unit; the mercury capture and separation unit comprises a chalcogenide reaction tank, a PAM reaction tank and a clarification tank which are communicated in sequence; the chalcogenide reaction tank is connected with a chalcogenide dosing device; and the PAM reaction tank is connected with a PAM dosing device. According to the utility model, the processes of filtration, electro-catalysis pretreatment, heavy metal capture, targeted adsorption and solid-liquid separation are adopted to treat a large amount of high-mercury, high-chromaticity, high-suspended-matter and high-COD wastewater generated in the Tibetan medicine zogtai processing process, so that the organic matter content of a water sample can be greatly reduced, the chromaticity of water is reduced, the suspended matter in water is removed, and the mercury concentration in water is reduced.

The present invention discloses a sampling mechanism for detecting sediment content in water conservancy projects, belonging to the technical field of sampling mechanisms. The present invention comprises a support platform and a servo motor mounted on the upper end of the support platform, wherein the output end of the servo motor is connected to a sampling barrel, a retention hole is formed on the side of the upper end of the sampling barrel, and a water leakage cover is fixed inside the sampling barrel. A protective bottom cover is provided at the bottom of the sampling barrel, and a drain pipe is installed on the protective bottom cover. A first cylinder is mounted on the upper end of the support platform, and the telescopic end of the first cylinder is interconnected by a guide connecting rod and a closed ring, the closed ring is used to control the opening and closing of the retention hole, and a sand filter cloth is provided inside the water leakage cover. When sampling water samples, the sampling mechanism for detecting sediment content in water conservancy projects facilitates stirring of the surrounding water area to be sampled, thereby equalizing the sediment content of the water area and improving the accuracy of subsequent test results.

A method, a system and an apparatus for determining pollutant control strategy, and a computer device. The method includes: obtaining water body data of different locations of a polluted water body and historical sample water body data of different pollution levels, and identifying pollutant distribution information; collecting water flow information of the polluted water body, and generating a pollutant control strategy for the polluted water body; executing the pollutant control strategy, and detecting change information of the water body data of each location; adjusting the pollutant control strategy for the polluted water body to obtain a new pollutant control strategy, replacing the pollutant control strategy with the new pollutant control strategy, iteratively executing steps of executing the pollutant control strategy and detecting the change information of the water body data of each of the different locations, until current water body data of each location meet a standard water body condition.

The utility model discloses an environment-friendly water treatment sample extractor which comprises a sample sampling part, a suction part and a stirring part, the suction part is fixedly arranged on the upper surface of a fixed bottom plate, and the stirring part can automatically stir sediments at the water bottom during water sampling; in order to solve the problems that in the prior art, common water sample sampling equipment can only sample a water body and cannot effectively sample pollution particles deposited at the water bottom when sampling work needing pollutant detection is carried out, a stirring part is designed, the stirring part and a sample sampling part are matched and synchronously used, so that the sampling efficiency is improved, and the sampling efficiency is improved. According to the environment-friendly particle pollutant sampling device, the stirring treatment can be automatically carried out when the environment-friendly particle pollutant sampling device goes deep into the water bottom for sampling, so that pollution particles deposited at the water bottom can be stirred, the particles are fully suspended, the pollution particles are simultaneously sampled during sampling, and the environment-friendly particle pollutant sampling device is particularly suitable for detecting and sampling environment-friendly particle pollutants.

The utility model relates to the field of sewage sampling, and discloses a sewage detection stratified sampling device, which comprises three sampling buckets, a support column and a sliding rod, the sampling buckets are internally provided with mounting cavities, the middle part of the support column is provided with a sliding chute, and the sliding rod slides in the sliding chute. The lower ends of the supporting columns penetrate through the sampling barrel and extend out of the sampling barrel, a plurality of sliding cavities are formed in the two sides, close to the sampling barrel, of the middle of the outer wall of a supporting column rod body, and connecting rods are fixedly connected to the two sides, close to the sampling barrel, of the middle of the outer wall of a sliding rod body. According to the stratified sampling device, when the stratified sampling device is used for sampling sewage, the stratified sampling device is in threaded connection with the filter screen on the outer wall of the threaded pipe, water plants, floating objects or other garbage in a sampling water area can be effectively prevented from blocking the water taking hole, the sampling process is ensured to be smoothly carried out, and in addition, the threaded connection mode is convenient to mount and dismount and simple and convenient to operate. And when the filter screen needs to be replaced or equipment needs to be maintained, a worker can quickly finish operation, so that the maintenance cost is reduced.

The invention relates to the field of water quality sampling equipment, and discloses an inspection unmanned ship for sampling water quality at a sewage draining exit in a river, which comprises a ship body and a suction assembly arranged in the ship body, the inspection unmanned ship further comprises a sampling bottle base fixedly arranged in the ship body; the plurality of sampling bottles are inserted and connected to the sampling bottle base in a linear array; a plurality of limiting holes for placing the sampling bottles are formed in the sampling bottle base; the plurality of limiting assemblies are in one-to-one correspondence with the limiting holes; the limiting device is used for limiting the sampling bottle; the sampling bottles are placed in the limiting holes of the sampling bottle base, the corresponding sampling bottles are limited through the limiting assemblies, the situation that when the unmanned ship shakes, the sampling bottles topple over, and consequently samples flow out is prevented, the sampling bottles are in the sealed state, the samples in the sampling bottles cannot be spilled out, other samples cannot be polluted, and the sampling bottles are not prone to being damaged. The detection result is not accurate, and the reduction of the sample amount in the sampling bottle in the shaking process is also avoided.

The invention relates to the technical field of water environment detection, in particular to a sampling device based on arid region water environment detection, which comprises a sampler, a protection unit is mounted on the lower side of the sampler, and a side suction unit is mounted on the protection unit. A plurality of elastic bottom-touching-preventing rods are adopted to support the sampling barrel, the water inlet pipe is prevented from being too close to a river bottom sediment layer, meanwhile, the water inlet pipe arranged laterally is adopted to extract a water sample in a side suction mode, disturbance of water flow to river bottom sediment is reduced, and the lower portion of the water inlet pipe is protected through an impurity blocking set; by means of the multi-stage device for preventing silt from being synchronously extracted, the normal sampling flow speed is maintained, meanwhile, it is avoided that too many impurities such as alkaline substances exist in a sampled water sample, and detection of the water body is affected, and the water body sampling detection accuracy is effectively improved. The inner cavity of the sampling barrel is divided into the two independent sampling cavities through the isolation plate, and the two piston extracting pieces are matched for extracting in sequence, so that independent collection of two water bodies with different depths can be completed through single-time lowering.

The present invention discloses a mobile water quality sampler for water quality detection and a method of using the same, which relates to the field of water quality sampling technology, and includes a mounting frame and a sampling bottle. The bottom end of the mounting frame is fixedly connected to a floating plate, and the outer wall of the floating plate is installed with a propeller. The mounting frame and the sampling mechanism are provided. The present invention sets a moving mechanism and a sampling mechanism. After the mounting frame is moved to a specified position, a square block moves one end of a rotating disk, and the second motor drives the square block to be inserted into a square slot; the third motor is started to drive the winding roller to rotate, and the winding roller lowers the support rope to drive the sampling bottle to move downward into the water body. When the sampling bottle moves to a certain depth, the sampling hole automatically opens for sampling operation; after the sampling is completed, after moving to the next location, the square block moves to one end of another rotating disk, and the sampling operation is performed again, which is convenient for sampling water bodies at different locations.

The invention discloses a water pollution monitoring device for environmental protection, and belongs to the field of environmental monitoring, the water pollution monitoring device comprises a bin body, the right side of the bin body is fixedly connected with a supporting plate, a movable plate is hinged above the supporting plate, a water suction pump is fixedly mounted above the movable plate, and the right side of the water suction pump is fixedly connected with a water suction pipe; the water suction pipe is fixedly connected with the upper portion of the movable plate, a water outlet hose is fixedly connected to the left side of the water suction pump, a driving assembly is arranged behind the water suction pump and comprises a supporting frame, the supporting frame is fixedly connected with the right side of the bin body, and a first supporting seat is fixedly connected to the upper portion of the supporting frame; the left side of the first supporting seat is fixedly connected with a motor. The water suction pump is arranged to extract samples from water for detection, the driving assembly can drive the water suction pump and the water suction pipe to swing up and down, so that the height of the water suction position of the water suction pipe is adjusted, and the device has the effect of conveniently sampling water at different depths.

The invention relates to the technical field of sewage detection, in particular to an industrial wastewater sudden pollution emergency sampling detection device which comprises a detection box, an extraction unit for sampling water at different water levels is arranged on one side of the bottom of the detection box, and a drainage pipe for discharging detected water is further arranged at the bottom of the detection box. A rotating frame is rotatably mounted at the bottom of an inner cavity of the detection box through a motor, a central pipe is fixedly mounted at the top of the rotating frame, the extraction unit can extract wastewater at different depths in a multi-point manner, and when an additive needs to be added into the wastewater, the clamping assembly is in linkage with the feeding assembly, the additive is automatically and quantitatively added, volatilization, oxidation or microbial degradation is prevented, and the detection efficiency is improved. During direct detection, clamping and stirring of the clamping assembly are canceled to prevent precipitation, the process is simplified, the center pipe drives the rotating frame to stir, impurity sedimentation is avoided, the detection stability is guaranteed, manual intervention is reduced, and efficient and accurate analysis is achieved.

The invention relates to the technical field of water quality detection, and in particular to a water quality detection sampling device, comprising an outer shell, which is a cylindrical hollow structure; a floating body, which is installed at the middle part of the outer side of the outer shell, and the floating body is used to drive the outer shell to float on the water surface; a filter frame, which is installed at the lower end of the outer side of the outer shell, and the filter frame is evenly provided with filter holes, and the filter frame is used to filter floating objects on the upper layer of the water surface; a sampling component, which is installed inside the outer shell, and the sampling component is used to sample water qualities at different depths in multiple areas one by one; when the sampling cylinder in the invention descends to the lowest point, the sampling cylinder is just opened, and the sampling cylinder is vertically inserted into the water, and the collecting cylinders at different heights on the sampling cylinder can play the function of layered sampling, and multiple sampling cylinders can perform layered sampling on different sampled water qualities one by one.

The utility model provides an online conductivity meter resin replacement device, and relates to the technical field of chemical water treatment.The online conductivity meter resin replacement device comprises a resin exchange column and a resin filling mechanism, and the resin exchange column is provided with a sampling water inlet, a sampling water outlet, a resin inlet and a resin outlet in a staggered mode; and the resin filling mechanism is used for supplementing resin to the resin inlet and controlling the resin outlet to discharge the resin. According to the invention, the resin replacement efficiency is improved, and the accurate and real-time display effect of the conductivity meter is ensured.

The invention discloses a water quality COD analysis device, and relates to the technical field of COD water quality detectors, the water quality COD analysis device comprises a COD water quality detector body, a calibration mechanism is arranged on the outer side of the COD water quality detector body, a wiping mechanism is arranged on the outer side of the COD water quality detector body, the calibration mechanism can detect a plurality of detection samples after sample water calibration equipment is utilized, and the wiping mechanism is arranged on the outer side of the COD water quality detector body. The wiping mechanism can wipe the surface of a test tube of a detection sample, the calibration mechanism comprises a first stepping motor, the outer surface of the first stepping motor is fixedly connected to the inner wall of the COD water quality detector body, the output end of the first stepping motor is fixedly connected with a turntable, and the outer surface of the turntable is fixedly connected with a plurality of same rectangular frames; the inner wall of each rectangular frame is rotationally connected with a rubber barrel, stains and water stains on the surface of the test tube of the detection sample can be cleaned by utilizing the wiping rings, and the problem that the detection efficiency is reduced due to the fact that the test tube of the sample to be detected needs to be manually wiped before detection is solved.

The present invention relates to the field of robot technology, and in particular to an underwater robot. A positioning component determines the position information of an underwater robot; a control component controls the underwater robot to run to an underwater target position according to the position information; after the underwater robot runs to the underwater target position, the control component controls the first one-way valve to open, the second one-way valve to close, and controls the pumping component to extract sampled water; after the underwater robot runs to the underwater target position, the water body detection component detects the water body around the sampled water body, and transmits the detection result to the control component; the control component stores the detection result; the control component is also used to control the first one-way valve to close, the second one-way valve to open, and control the sampled water to flow out of the pumping component after the underwater robot has finished extracting water. This not only ensures that the underwater robot can accurately run to the underwater target position, but also improves the accuracy and convenience of collecting sampled water bodies at the underwater target position.

The invention relates to a portable hydrogen conductivity measuring device based on electrodeionization. The portable hydrogen conductivity measuring device comprises a sampling detection subsystem, an electrodeionization subsystem, a measuring subsystem and a processor, the sampling detection subsystem is communicated with the electrodeionization subsystem and the measurement subsystem and is used for controlling the temperature, the pressure and the flow of sample water flowing into the electrodeionization system; the electrodeionization subsystem is communicated with the measurement subsystem and is used for removing cations in the sample water; the measurement subsystem is communicated with the electrodeionization system and is used for accurately measuring the conductivity, namely the hydrogen conductivity, of the sample water subjected to EDI treatment in real time; and the processor is used for providing a stable excitation signal for the conductivity electrode, acquiring an original resistance or conductivity signal and a temperature signal of the electrode, executing a temperature compensation algorithm to obtain a hydrogen conductivity value at 25 DEG C, outputting a final result to the display screen, and transmitting the final result to an external system. The invention also discloses a corresponding measurement method, electronic equipment and a computer readable storage medium.

To provide a technique related to the olfactory recognition of water purification effects.SOLUTION: A method for determining residual chlorine concentration includes the steps of: extracting herbal tea from herbal tea ingredients using sample water; conducting a sensory evaluation of the aroma of the herbal tea; determining whether an unpleasant odor is perceived; determining that the residual chlorine concentration in the sample water is below a prescribed value when no unpleasant odor is perceived.SELECTED DRAWING: Figure 3

The utility model discloses a real-time water quality sampling device, and particularly relates to the technical field of water quality samplers, the real-time water quality sampling device comprises a box body, the inner bottom wall of the box body is provided with a fixing frame, the inner wall of a bearing ring is provided with an air cylinder, the inner wall of a first push rod is in sliding connection with an adjusting rod, and the inner wall of the adjusting rod is in bearing connection with a second transmission rod; an adjusting ring is fixedly connected to the outer wall of the second transmission rod, and a sampling bottle is mounted on the inner bottom wall of the placement disc. According to the real-time water quality sampling device, through the arrangement of the air cylinder, a second push rod and an adjusting ring, the problem that an existing real-time water quality sampling device cannot sample water quality at different time periods at the same depth according to requirements is solved, so that a worker cannot rapidly sample the same water quality at different time periods; the efficiency of sampling the same water quality at different time periods by workers is improved, and meanwhile, the accuracy of analyzing the same water quality at different time periods by subsequent workers is guaranteed.

The invention discloses an efficient detection device and method for the content of bacteria in a tubular column based on a shale gas exploitation system, and relates to the technical field of detection of the content of bacteria. The machine table is supported on the ground, the auxiliary detection assembly is arranged on the machine table and used for collecting sample water, automatically and independently separating bacteria in the sample water and capable of automatically shaking a reagent, and a liquid adding and shading assembly located on the right side of the auxiliary detection assembly is further arranged on the machine table; and the right end part of the rotating shaft is provided with a biological membrane mounting assembly positioned right below the straight cylinder. The device has the beneficial effects that the working intensity of workers is relieved, the detection efficiency of the content of bacteria in the tubular column is greatly improved, and the displacement of the variable pump can be changed in time.

The utility model provides a sample water control system for a hydrogen conductivity measuring system, which comprises a main electric regeneration ion exchanger and a standby electric regeneration ion exchanger which are arranged in parallel, the main electric regeneration ion exchanger and the standby electric regeneration ion exchanger are respectively connected with a chemical sampling water pipeline, an electromagnetic valve is arranged between the electric regeneration ion exchanger and the chemical sampling water pipeline, and the rear side of the electric regeneration ion exchanger is sequentially connected with a flow transmitter, a pressure transmitter and a first electric control valve; and the first electric control valve is connected with the hydrogen conductivity meter. According to the utility model, the two electric regeneration ion exchangers are used for replacing traditional cation exchange resin, and when a control system judges that the measured value of the hydrogen conductivity instrument exceeds the standard or the change speed of the measured value exceeds the limit, the standby electric regeneration ion exchanger is automatically switched to operate; and judging whether the ion exchanger fails or the water quality exceeds the standard according to the actual situation.

The utility model relates to the technical field of sample water collection equipment, in particular to a sample water collector of a water quality analyzer, which comprises a collection cylinder, a plurality of collection holes arranged on the outer side of the collection cylinder, a sealing cylinder slidably arranged on the inner side of the collection cylinder, a limit ring A arranged on the lower side of the sealing cylinder and fixedly connected with the inner side of the collection cylinder. A moving unit is arranged between the sealing cylinder and the inner side of the collecting cylinder, a water outlet is formed in the lower side of the collecting cylinder, a water outlet pipe is fixed to the lower side of the collecting cylinder and communicated with the water outlet, a sealing cover is detachably arranged at the lower end of the outer side of the water outlet pipe through threads, and a balancing weight is installed on the upper side of the collecting cylinder through bolts. By arranging a collecting cylinder, a sealing cylinder, a limiting ring A and a moving unit, the device can automatically collect liquid at different depths, the automation level of the device is improved, and the convenience and applicability of the device are improved.

The invention provides a coal-water cooperative control method and a coal-water cooperative control device based on water quantitative control. The method comprises the following steps: acquiring water volume data in a coal production process in real time; the water volume data are input into a control strategy model, the water volume data and a preset control rule are analyzed and processed through the control strategy model, a control instruction is generated, the control strategy model is a mathematical model constructed according to training data and a control algorithm, the training data at least comprise sample water volume data and a corresponding sample control instruction, and the sample control instruction is a preset control instruction; the control instruction is used for adjusting the water-coal proportion in the coal production process; a corresponding actuator is adjusted according to the control instruction so as to dispatch and distribute water resources in the coal production process, and the actuator at least comprises a water pump and a valve. The problem that the utilization rate of water resources is low due to the fact that real-time response to water quantity changes in the coal production process is lacked in the prior art is solved.