432 results about "Water sampling" patented technology

The invention discloses a method for completing an autonomous deep-sea exploration task by a deep-sea cross-domain unmanned aerial vehicle. The method comprises the following steps: determining a target area; taking off to a specified height from the sea level, receiving a task execution command and then flying to a target area; when the relative distance between the current position and the coordinates of the target area reaches a preset value, descending; when it is detected that the device is contacted with seawater, the device dives through gravity; when it is detected that the set depth is reached, the propeller is restarted, and the detection task is executed; after the detection task is completed, the standby battery is rejected and ascends; after leaving the water surface, rising to a specified height and switching to a homeward flight mode; and when the deep-sea cross-domain unmanned aerial vehicle is within the sight distance range, a manual landing task is executed. The invention further discloses the deep-sea cross-domain unmanned aerial vehicle. According to the unmanned aerial vehicle and the method, autonomous switching operation between an air medium and an underwater medium can be realized, and the unmanned aerial vehicle has the capability of autonomously completing detection and water body sampling in an extreme deep sea environment.

The invention relates to the technical field of water treatment sampling, in particular to a convenient storable water body sampling device which comprises a sampling barrel, the length of the sampling barrel is adjustable, a plurality of longitudinally-arranged sampling holes are formed in the sampling barrel, and one-way assemblies which are in one-way communication with an inner cavity of the sampling barrel are arranged in the sampling holes; the sampling mechanism comprises a plurality of detachably connected sample storage barrels, and the sample storage barrels are longitudinally and movably arranged in an inner cavity of the sampling barrel; the sampling hole and the sample storage barrel are correspondingly arranged and are detachably communicated, and an external water sample enters the sample storage barrel from the sampling hole during sampling; the top seat is arranged at the top end of the sampling barrel, a driving assembly is arranged on the top seat, and the driving assembly is in transmission connection with the longitudinally-arranged sample storage barrel and used for controlling the sampling process of the sample storage barrel. The device is compact in mechanism and convenient to use, and the length-adjustable sampling barrel can adapt to sampling in water environments of different depths; the one-way assembly prevents the water sample from flowing back and ensures the sampling accuracy; and the detachably connected sample storage barrel is convenient for storage and subsequent analysis of the sample.

The invention discloses a water quality detection sampling device, and particularly relates to the technical field of water sampling, the water quality detection sampling device comprises a center shaft and a shell arranged on the outer surface of the center shaft, water inlet structures used for taking water are arranged on the lower portion of the inner surface of the shell in a bilateral symmetry mode, a sampling structure is arranged in an inner cavity of the center shaft, and a second sliding groove is formed in the upper end of the center shaft; a quick-connecting structure is arranged on the inner surface of the second sliding groove, a connecting groove matched with the quick-connecting structure is formed in the lower end of the center shaft, and guide rails in sliding connection with the shell are symmetrically arranged on the outer surface of the center shaft front and back. Through cooperation of the quick connection structure and the connection groove, the center shaft is quickly disassembled and assembled, and it is guaranteed that the shell smoothly moves along the guide rail; an air tap in the sampling structure pumps negative pressure to enable a water sample to automatically enter a sample storage cavity, a connecting assembly is movably matched with an L-shaped rod and a notch to open a turning plate, an arc-shaped elastic piece assisting component resets to close a channel, it is guaranteed that the sampling time is accurate, the water sample is free of impurities, and the water quality detection efficiency and accuracy are remarkably improved.

A water quality simulation method for plant-network-river integrated water supply, comprising steps such as river channel water source simulation, dynamic analysis of the quality of water from a water sampling point, construction of a model for predicting the quality of water in a water supply pipe network, data interface development, one-dimensional simulation of hydrodynamics and water quality in a pipe network, and integrated model integration and automation. In the method, open-source software OpenFOAM and EPANET-MSX can be used to achieve continuous simulation and real-time update of water quality and hydrodynamic parameters from a river channel to a water supply pipe network by means of an automated script and data interface. The model integrates the treatment effects of water quality purification plants, and the water quality purification plants are simplified into processing nodes on a pipeline system, thereby ensuring the authenticity and accuracy of simulation results. The present method is easy to operate and implement, and allows for automatic generation of a water quality parameter time-series plot, thereby greatly improving simulation efficiency. Water supply enterprises and water conservancy departments can use the method to establish a water supply quality information management system, perform long-time series prediction, optimize daily management and maintenance, and formulate water quality safety guarantee measures, and the method has significant practical value and wide application prospects.

The application provides a wastewater sampling device for water pollution detection and a sampling method in the technical field of environmental monitoring. The wastewater sampling device comprises a support table, a rotating sleeve is rotatably installed on the support table, a conical bottom cylinder is penetratingly and slidably installed in the rotating sleeve, a plurality of ice-breaking tooth plates are symmetrically distributed and welded at the bottom end position of the conical bottom cylinder, a first gear is fixedly sleeved on the outer wall of the rotating sleeve, a first motor is fixedly installed on the top of the support table, a second gear is fixedly sleeved on the output end of the first motor, and the first gear is engaged with the second gear. The wastewater sampling device for water pollution detection has the advantages of automatic ice-breaking function, water collection in the water area with ice, multi-dimensional visual signal prompting, and the like, so that the operator can timely judge whether the water tank is full.

The invention discloses fixed-point sampling equipment for underground water. The fixed-point sampling equipment comprises an equipment bracket, a control and display unit and an integrated underground detection assembly, the assembly integrates a sampling execution part, a visual positioning part and a lifting cleaning part, wherein the sampling execution part is a polytetrafluoroethylene Beller tube; the visual positioning part enables the optical axis of a lens of the waterproof camera and the axis of the Beller tube to be fixed in parallel through a rigid mounting bracket; the lifting cleaning part adopts an automatic telescopic cleaning line with a built-in cleaning flow channel, and a driving mechanism of the lifting cleaning part adopts non-lubrication magnetic coupling transmission. The control and display unit controls the lowering stroke of the cleaning line based on a picture returned by the camera, and accurate positioning sampling is achieved. Visual accurate sampling is achieved through rigid connection and synchronous lowering, and traditional blind sampling errors are overcome; and pollution-free materials, automatic cleaning and data integration functions are combined, so that pollution is avoided from the source, data integrity and traceability are guaranteed, and the normalization, accuracy and efficiency of underground water sampling are remarkably improved.

The invention discloses an intelligent depth-adjustable sampling device for underground water pollution detection, and relates to the technical field of underground water sampling, the intelligent depth-adjustable sampling device comprises a sampling equipment main body and a controller, the bottom of the sampling equipment main body is provided with a driving device, and a supporting table is mounted above the sampling equipment main body; the device comprises a supporting table, a machine shell and a winding assembly are installed on the supporting table, a lifting device is installed at the output end of the supporting table, a drilling assembly and a sampling assembly are installed on the lifting device, a cooling assembly is arranged on the side face of the drilling assembly, and the winding assembly is matched with the sampling assembly. According to the invention, integrated intelligent operation of drilling, depth adjustment, sampling and preliminary detection is realized, and the efficiency and accuracy of underground water pollution detection sampling are significantly improved.

The invention provides a constant-speed sampling system and method for gas-liquid interference suppression and accurate flow regulation and control, and belongs to the technical field of underground mine water sampling. The system comprises a negative pressure sampling module, a gas-liquid separation module, a flow regulation and control module, a pressure compensation unit and a central control unit which are communicated in sequence. Through a three-stage gas-liquid inhibition mechanism, namely self-adaptive negative pressure, structural degassing and ultrasonic bubble breaking, pipeline bubbles are effectively eliminated; the Coriolis mass flow meter and the high-speed proportional valve are adopted to form high-precision closed-loop control, and the pressure compensation unit is combined, so that a compound control system with strong anti-disturbance capability is formed, high-precision pulse-free constant-speed sampling under complex working conditions of underground mine water is realized, and the representativeness of samples and the accuracy of monitoring data are remarkably improved.

The utility model discloses a riverway inspection unmanned aerial vehicle convenient for sewage sampling, and relates to the technical field of sewage sampling, the riverway inspection unmanned aerial vehicle convenient for sewage sampling comprises an unmanned aerial vehicle body mechanism, the bottom end face of the unmanned aerial vehicle body mechanism is provided with a plug column mechanism, the main body of the plug column mechanism is made of a rubber material, and the plug column mechanism is arranged on the bottom end face of the unmanned aerial vehicle body mechanism. The plunger mechanism made of rubber is arranged at the bottom end of the machine body mechanism and matched with the magnetic attraction assembly of an annular electromagnet structure on the outer side, after the sampling barrel completes sampling and rises again, the magnetic attraction assembly is powered on to attract the sampling barrel, the plunger mechanism blocks an opening of the sampling barrel, and a reliable closed structure is formed; according to the unmanned aerial vehicle, the possibility that sewage leaks in the transportation process is greatly reduced, the sampling integrity and accuracy are guaranteed, secondary pollution to the environment is avoided, and stable lifting force is provided for the unmanned aerial vehicle through supporting arm assemblies obliquely arranged at the four corners of the vehicle body mechanism in cooperation with an internal driver and a blade assembly at the top end.

The utility model discloses an underground water sampling device for engineering geological survey, which comprises a main body assembly, a control box, a positioning plate, ground nails, a support frame and a driving box, the support frame is arranged in the control box, and the driving box is fixed at the top of the support frame; the water taking assembly comprises a moving part, a winding part and a sample separating part, the moving part is arranged in the control box, the winding part is arranged in the driving box, and the sample separating part is arranged below the driving box. The underground water sampling device has the beneficial effects that through the matched use of the moving part and the winding part, a worker can conveniently operate and sample underground water at a position far away from a water source sampling point, the worker can be prevented from falling into water accidentally, the safety during water source sampling is improved, and through the arrangement of the sample separating part, the worker can conveniently place the sampler into the underground water, so that the sampling efficiency is improved. Five underground water sources with different depths are sampled at a time, and meanwhile, filter holes are formed in the top of the sample separating barrel, so that weeds or large-particle impurities can be prevented from entering the sample separating barrel.

The invention relates to the technical field of industrial automation, and discloses a steam-water sampling water sample flow and temperature double-parameter automatic control device which comprises a first vertical through pipe and a second vertical through pipe which are parallel and spaced, and the first vertical through pipe is connected between a pipeline outlet of a pressure reducing valve in a steam-water sampling pipeline system and a pipeline inlet of cooling equipment. The second vertical through pipe is connected to a discharging branch pipe of the cooling equipment in parallel. The flow regulating valve structure is arranged in the first vertical through pipe and comprises an adjustable valve chip set and an outer driving assembly; the intelligent material driving mechanism is arranged in the second vertical through pipe and serves as a temperature feedback control point, the intelligent material driving mechanism comprises an LCE intelligent material part and a mechanical transmission mechanism, and the mechanical transmission mechanism is connected between the LCE intelligent material part and an outer driving assembly in the flow adjusting valve structure to form a feedback transmission link; flow and temperature double-parameter automatic cooperative control is achieved, response is fast, water sample flow and temperature can be stabilized, water sample abnormity is avoided, and detection reliability is improved.

The utility model relates to the technical field of underground water sampling, in particular to an underground water level and quality sampler which comprises a supporting frame and a sampling mechanism, the supporting frame is arranged on the ground for supporting, and the sampling mechanism comprises a winding roller, a steel ruler belt, a reference rod, an installation assembly, a Beller pipe, a first one-way valve, a second one-way valve and a water level sensor. The winding roller is arranged on the supporting frame, one end of the steel ruler belt is wound on the winding roller, the other end of the steel ruler belt is fixedly connected with the installation assembly, the Beller pipe is arranged on the installation assembly and provided with a water inlet and a water outlet, the first one-way valve and the second one-way valve are arranged on the water inlet and the water outlet respectively, and the water level sensor is arranged on the water inlet. The reference rod is arranged on the support frame, and scale marks are arranged on the steel ruler belt, so that the technical problems that the sampling amount is small, the Beller tube ball valve is easy to leak and different aquifer secondary samples are inconvenient to distinguish when the water quality sampler in the prior art is actually used are solved.

This utility model relates to the field of wastewater sampling devices, and more particularly to a wastewater sampling device for environmental monitoring, comprising a U-shaped frame and a wastewater detector fixed to the upper end of the U-shaped frame; a first groove is provided through the upper end of the U-shaped frame, and a clamping mechanism is provided at the lower end of the U-shaped frame. This utility model involves placing a movable plate below the U-shaped frame, activating the clamping mechanism to clamp and fix the movable plate, activating the winding mechanism on the upright block to lower the sampling cylinder, and activating the stirring mechanism to stir the dirt at the bottom of the water. The stirred mixture then enters the interior of the sampling cylinder through the inlet groove for temporary storage, and the threaded cylinder is easily removed from the winding mechanism for convenient rapid wastewater sampling. The sampled liquid is placed in the wastewater detector, which can then be activated to test the wastewater. This solves the problem that when sampling wastewater inside a sewage well, it is difficult to disturb the dirt at the bottom of the water body before sampling, making rapid wastewater sampling and testing inconvenient.

The utility model relates to the technical field of groundwater detection, and particularly discloses a sampling device for groundwater detection, which comprises a mounting seat, a support adjusting and limiting mechanism arranged at the top of the mounting seat and used for providing support and limiting functions, and a retractable mechanism arranged at the top of the support adjusting and limiting mechanism and used for facilitating retractable work, according to the sampling device for underground water detection, a supporting, adjusting and limiting mechanism is arranged, so that a limiting acting force can be provided for a rope in the adjusting and retracting mechanism; the structure position in the supporting, adjusting and limiting mechanism can be subjected to lifting adjustment according to the use, by arranging the retracting and releasing mechanism, the position of the water sampling mechanism can be retracted and released conveniently according to the use requirement, and then the water sampling mechanism can be placed at the required water depth position according to the use requirement; therefore, auxiliary work is provided for subsequent water sampling work.

The utility model relates to sampling device technical field, and disclose a kind of water sample sampling device of throwing, including sampling cylinder, the inner wall of sampling cylinder is fixedly connected with trapezoidal cover, the top of sampling cylinder is fixedly connected with outer thread pipe, the surface of outer thread pipe is threadedly connected with inner thread pipe, the inner wall top of inner thread pipe is fixedly connected with inner cover, the inner wall bottom of inner cover is fixedly connected with spring, the top of inner thread pipe is provided with locating groove. The utility model is through setting trapezoidal cover and spring and locking mechanism of limit stopper linkage, the quick throwing of sampling cylinder and sealing locking are realized, when operating, sampling cylinder is put into water source by conveying line, the large end flow guide design of trapezoidal cover makes water flow smoothly into cylinder, while spring pushes limit stopper and inserts into clamping groove, convenient to separate sampling cylinder and connecting device after water sampling work, solve the fixing of conventional sampling through rope, not convenient for subsequent separation work.

The utility model discloses a reservoir aerial survey unmanned aerial vehicle with a modularized sensor mounting device. The reservoir aerial survey unmanned aerial vehicle comprises an unmanned aerial vehicle body, a square mounting support and a square butt joint sliding seat, a modular sensor is mounted on the bottom surface of the butt joint sliding seat; a vertical support is arranged in the middle of a frame body of the unmanned aerial vehicle body, a mounting support is fixed to the lower end of the vertical support, two T-shaped grooves are inwards formed in one end face of the mounting support side by side in the length direction of the mounting support, two T-shaped sliding blocks are arranged on the upper surface of a butt joint sliding base side by side, and the two T-shaped sliding blocks are sleeved with the two T-shaped grooves in a matched mode. According to the unmanned aerial vehicle, the butt joint sliding seats are correspondingly arranged on the winches of the camera device and the water quality detection sensor, and the butt joint sliding seats can be rapidly in butt joint with and detached from the mounting supports through the T-shaped sliding blocks, so that convenient switching between the camera device and the water quality detection sensor and the unmanned aerial vehicle is realized; the unmanned aerial vehicle can deal with various tasks such as water level and water body monitoring and water body sampling, the reservoir monitoring efficiency is improved, and the manpower and material resource cost is reduced.

The present invention relates to a process water sampling immersion probe (10), the process water sampling immersion probe (10) comprising: a filter module (20), the filter module (20) comprising a filter mesh (24, 24 '); and a clean air generator (40), the cleaning air generator (40) is arranged adjacent to the vertical bottom end of the filter screen (24, 24 ') in the vertical direction, the cleaning air generator (40) comprises a bubble generator shell (41), the bubble generator shell (41) is provided with an air outlet opening (51, 52), the air outlet opening (51, 52) is provided with a non-horizontal opening plane (p54), and the air outlet opening (51, 52) is provided with a non-horizontal opening plane (p54). Wherein the air outlet openings (51, 52) widen in a vertically downward direction such that an air outlet opening top end width (wt54) at the opening top end (t54) is smaller than an air outlet opening bottom end width (wd54) at the opening bottom end (d54).

The invention discloses a mine water sampling device, and relates to the technical field of mine water sampling, the mine water sampling device comprises a moving assembly and a sampling assembly arranged on the moving assembly, and also comprises an adjusting assembly arranged on the moving assembly, and the adjusting assembly can adjust the moving assembly when the moving assembly is inclined to reduce the possibility of rollover. And the driving motor is arranged on the moving assembly, and the driving motor is used for driving the whole device to move in the horizontal direction. Through cooperation of the sampling device and the driving motor, due to the fact that the concentrations of pollutants at different positions of continuous ponding are different due to various factors at the ponding position, ponding at different positions needs to be sampled, the driving motor drives the device to move, different sampling barrels are replaced, and the sampling efficiency is greatly improved. Accumulated water at different positions can be conveniently sampled, and the sampling efficiency is higher.

This invention provides a water quality monitoring method for treated water that confirms that the treated water, after coagulation and sedimentation treatment of COD / phosphorus / nitrogen / cyanide in collected dust (raw water), meets water quality standards, predicts deterioration in treatment efficiency during coagulation and sedimentation treatment, enables early detection of abnormal water, and facilitates rapid response to abnormal water. [Solution] A water quality monitoring method for treated water, comprising: a measurement step for automatically measuring the amount of COD / phosphorus / nitrogen / cyanide in treated water; a coagulation-sedimentation step for obtaining treated water by circulating raw water containing coagulated material including copper, iron, etc., and performing mixing, coagulation, and sedimentation treatment in that order; a sampling and analysis step for collecting an analytical sample, in which a portion of the raw water in a mixing tank is intermittently separated while it is circulating, a portion of the separated raw water is injected under pressure into the cylinder of a cylindrical ceramic filter which is a porous material, a portion of the filtered water obtained is taken out, and the filtered water is automatically introduced into an analytical device as an analytical sample for measuring the amount of nitrogen, etc. in the raw water, and the amount of nitrogen, etc. in the sample is automatically measured; and a control step for controlling the operating conditions of the coagulation-sedimentation step using the measured values ​​obtained in the analysis step.

This invention relates to the field of water resource sampling and provides a water sampling device for geological surveying in water conservancy engineering. The device includes a connecting base with multiple support rods rotatably connected to it. An electric telescopic rod is fixedly mounted in the middle of the connecting base, and a fixed disk is fixedly connected to the telescopic end of the electric telescopic rod. A sampling tube is threadedly connected to the middle of the fixed disk, and a drill bit assembly is connected to the bottom of the sampling tube. An outer sleeve is rotatably connected to the outside of the sampling tube, and a spring is installed between the outer sleeve and the fixed disk. A thrust assembly capable of pushing the outer sleeve to reciprocate is mounted on the fixed disk. In this invention, activating the thrust assembly causes the outer sleeve to reciprocate, causing it to drive all the soil fragments to move in a circular motion around the sampling tube. All the sampling tubes break up and fragment the soil and rock layers near the outer sleeve, thereby preventing the formation of a dense barrier of soil and rock near the outer sleeve.

The utility model relates to a terrestrial heat water pumping sampling device, and relates to the technical field of water pumping sampling, the terrestrial heat water pumping sampling device comprises a sampling cylinder and a lifting mechanism, the lifting mechanism is connected with the sampling cylinder, the sampling cylinder comprises a cylinder body and a top cover, the top cover is installed at the top of the cylinder body, a water inlet groove is formed in the bottom of the cylinder body, a plugging piece is arranged in the water inlet groove, and a sealing plate is installed in the cylinder body; a plurality of springs are arranged between the sealing plate and the top cover, a connecting column is arranged on one side of the sealing plate, a supporting column is arranged on the other side of the sealing plate, the other end of the supporting column is connected with a plugging piece, the other end of the connecting column penetrates through and extends out of the top cover, the top of the connecting column is connected with a traction rope, and the top cover is connected with a lifting mechanism. The geothermal well sampling device has the advantages that the sampling barrel can be rapidly placed in and taken out of a geothermal well, operation is relatively simple, sampling work can be completed within a short time, sampling efficiency is improved, large-scale pipeline laying engineering is not needed, input of manpower and material resources is reduced, and sampling cost is reduced.

The invention relates to the technical field of environment monitoring, in particular to a multi-point automatic water sampling device for an unmanned aerial vehicle, which comprises a water sampling mechanism arranged at the bottom of the unmanned aerial vehicle, the water sampling mechanism can be automatically connected with a flying platform of the unmanned aerial vehicle, the water sampling mechanism comprises a shell, a water tank and a water pumping component, the water tank is arranged at the bottom outside the shell, and a plurality of water sampling bins are arranged in the water tank in a surrounding manner; the shell is provided with a liquid inlet hole communicated with the water sampling bin; the water pumping component comprises a water pump, a turntable and a switching pipe, and a water inlet pipe is arranged at the suction end of the water pump and provided with a water sampling pipe; a drain pipe is arranged at the discharge end of the water pump; the turntable is driven by a switching motor and is provided with a through drainage hole, one end of the switching pipe is communicated with one end, far away from the water pump, of the drainage pipe through a sealing universal joint, and the other end of the switching pipe is communicated with the drainage hole. According to the invention, single-pass flight is realized, multi-point sample collection, storage, diversion and export can be completed, the water collection efficiency is improved, and the real-time performance of seawater monitoring is ensured.

The application discloses a flexible pipe multistage underground water monitoring system and a mounting method thereof, and belongs to the technical field of environmental monitoring and underground water sampling. The system comprises a flexible lining pipe made of a flexible material capable of adsorbing organic pollutants, a plurality of groups of functional units are arranged on the upper side of the lining pipe, each group comprises a water inlet window and a screen, a branch pipeline and a pneumatic sampler; integrated pipeline bundles are uniformly led to the ground surface and connected with a control and collection unit. The end part of the lining pipe is fixed at the well mouth and water or mud is injected, the lining pipe is turned over and attached to the well wall from top to bottom by using a driving pressure difference, and multilayer sealing isolation and accurate positioning are completed at one time. The application has the advantages of quick installation, low cost, good sealing performance, no interlayer cross contamination and the like, can not only realize long-term water level monitoring and high-quality water sample collection of multilayer underground water, but also can analyze the vertical distribution of the adsorbed pollutants on the flexible pipe wall after the flexible pipe is taken out, quickly and economically determine the depth of the organic pollution source, and provide key data support for site investigation and repair.

The invention relates to the technical field of hydrogeology, and particularly discloses a geologic surveying and mapping underground water filtering and sampling method, which comprises the following steps of: establishing a time-space consistent characteristic data set by acquiring optical characteristic parameters, electrochemical response signals, suspended matter distribution characteristics and pressure pulsation data of an underground water body in real time; through multi-scale fluctuation feature extraction and synchronism analysis, hydrogeological feature indexes and change rules thereof are identified; constructing an underground hydrogeological characteristic profile taking the sampling depth as a reference, performing matching analysis in combination with a typical hydrogeological mode pedigree, determining representativeness and reliability levels of sampling points, and finally generating a sampling optimization scheme and a quality control report; according to the method, closed-loop control from data acquisition to quality evaluation is realized, the problem of insufficient data representativeness and reliability caused by chemical disturbance and lack of systematic quality control in a traditional sampling method is solved, and the accuracy of underground water sampling data and the reliability of geological interpretation are improved.

The application discloses a kind of unmanned aerial vehicle low disturbance water sample sampling device and method for coastal wetland, device includes unmanned aerial vehicle aircraft, sampling unit and recovery unit;Surface sampler is the container bottle of top opening, two sides are connected first float ball and metal ball respectively, after entering water, rely on buoyancy and gravity coupling to keep bottle mouth inclination posture, surface water is naturally flowed into with hydrostatic pressure difference mode;Bottom sampler is the container bottle of airtight, top is equipped with exhaust hole, bottom side is equipped with water inlet, water inlet is hinged with the sealing baffle of with counterweight and guide stress plate, when entering water, water pressure moment overcomes counterweight damping moment to make baffle open smoothly, water enters in laminar flow mode;When rising, counterweight gravity makes baffle automatic reset seal.The application realizes the low physical disturbance of sampling link, can collect surface and bottom water sample once, to obtain water sample for testing dissolved oxygen, solubility greenhouse gas concentration, dissolved organic carbon, particulate carbon, nutrient salt, dissolved organic matter molecular composition.

The invention discloses an industrial wastewater pollutant online monitoring and early warning device and a method thereof, and solves the problems of low distribution speed and low detection efficiency after wastewater sampling during wastewater detection, the industrial wastewater pollutant online monitoring and early warning device comprises a circular box, a suction pipe is mounted at the bottom end of the circular box, and a side pipe is mounted on one side of the circular box; a waste water sampling assembly used for sampling waste water is arranged in the circular box, a filter screen used for filtering impurities in the waste water is arranged at the bottom end of the suction pipe, a waste water detection assembly used for detecting the waste water is arranged at one end of the side pipe, and the waste water sampling assembly comprises a rotating block rotationally installed in the circular box; a sampling groove is formed in the rotating block, the bottom end of the sampling groove is communicated with the suction pipe, and a piston is movably mounted in the sampling groove; in the working process, wastewater can be pushed into the wastewater detection pipes through the arranged pistons, detection of different parameters is carried out, residual wastewater flows back, and influences on detection of different parameters are avoided.

A heated ultrapure water production system includes: an ultrapure water production unit that comprises a primary pure water production apparatus and a secondary pure water production apparatus 1; a heated ultrapure water supply pipe 21 that supplies ultrapure water W1 from the ultrapure water production unit to a second point of use 25; and a remaining-heat device 22 and a heating device 23 that heat the ultrapure water W1. The heated ultrapure water production system has connected thereto a water sampling line 31 that branches off from the heated ultrapure water supply pipe 21. The heated ultrapure water supply pipe 21 is made of a polymer material that contains a halogen element in a repeating unit. The water sampling line 31 is made of: a polymer material that contains no halogen element in a repeating unit; or a metal material. With such a heated ultrapure water production system, it is possible to accurately evaluate the water quality of heated ultrapure water, and it is possible to provide a heated ultrapure water production system that comprises a water sampling line made of inexpensive and easily available material for which a stable supply can be expected.

This device, mounted on a movable shelf with quick-connect / disconnect mechanisms, is designed for typical ozonation experiments involving water and / or functional sludge. It is adaptable, useful for conducting and collecting data during research, and ensures user safety. It performs basic functions such as gas conduction, ozone production and reaction, parameter measurement (concentrations, flow rates, temperature, pressure, etc.), automatic ozone concentration data acquisition, and residual ozone destruction. Its versatility allows for batch / continuous experiments and simple / advanced / catalytic oxidation processes. It facilitates water sampling for characterization before and after treatment and allows for determining the amount of ozone actually reacted, not just the amount supplied.

The application discloses a soil-aeration zone-saturated zone cross-medium underground water automatic monitoring device and a monitoring method. The device comprises a soil underground water automatic collection system arranged in a soil layer, an aeration zone underground water automatic collection system arranged in an aeration zone, a saturated zone underground water automatic collection system arranged in a saturated zone, an automatic cleaning system, a water quality automatic monitoring system and a control system. The device and the method can monitor the water quality of the soil layer and the aeration zone, are comprehensive, can complete soil-aeration zone-saturated zone multi-layer cross-medium underground water sampling monitoring, greatly save cost and improve efficiency.

The utility model belongs to the technical field of abandoned oil well transformation, and particularly relates to a deep geothermal single well heat exchange system in an abandoned oil well, which comprises a sandstone heat reservoir and a production layer sleeve, a plurality of water inlet holes corresponding to the sandstone heat reservoir penetrate through the side wall of the production layer sleeve, and a branch pipeline inclining downwards is connected to the side wall of the production layer sleeve. The lower end of the branch pipeline extends into a sandstone thermal reservoir, the lower end of the inner side of the production layer casing pipe is connected with an artificial well bottom, the inner side of the production layer casing pipe is further connected with a packer located on the lower side of a port of the branch pipeline, the upper end of the inner side of the production layer casing pipe is provided with a booster water pump and a shell-and-tube heat exchanger, and a water inlet of the booster water pump is connected with a water production tubular column. The lower end of the water extraction pipe column extends into the sandstone heat reservoir, and a water outlet of the booster water pump is connected with the shell-and-tube heat exchanger through a lifting pipe. The device is convenient to install and maintain and high in heat energy utilization rate.