42results about How to "Solve the separation problem" patented technology

The invention discloses a multi-light-spot centroid extraction method and device based on an FPGA, a medium and a product, and relates to the field of digital image processing, and the method comprises the steps: firstly, caching image line data through a first-stage FIFO and a second-stage FIFO, forming three continuous groups of image line data streams, effectively solving the problems of data synchronization and processing rate matching, and improving the data processing efficiency; then, effective pixels of the light spots are accurately determined by means of a pixel threshold value, and different light spot areas are accurately divided by means of line continuity judgment and boundary marking, so that repeated recognition and error recognition of the light spots are avoided, and the accuracy of light spot recognition is greatly improved. And finally, according to the weighted average positions of the gray values of the effective pixels of all the light spots, the target centroid coordinates of the target light spots are calculated, the internal gray difference of the light spots is fully considered, and compared with a conventional method, the light spot energy distribution center is more accurately reflected, so that the calculation precision of the light spot centroid is remarkably improved.

The invention relates to the technical field of thermoelectric power generation, and discloses a thermoelectric power generation control system and a control method thereof, and electronic equipment, and the system comprises a heat collection pipe which is used for transmitting heat energy generated in the operation process of the equipment to a hot end of a thermoelectric power generation part; the thermoelectric power generation component is used for establishing a temperature difference between the received heat energy and the environment temperature and converting the temperature difference into electric energy; the temperature sensor is used for monitoring the temperature of a hot spot area of the equipment shell and the environment temperature and transmitting the monitored temperature data to the controller; and the controller is used for adjusting the working parameters of the thermoelectric power generation component according to the temperature data of the temperature sensor and the equipment operation state. Therefore, the problem of separation of thermoelectric power generation and an equipment intelligent management control system is solved, the energy recovery efficiency can be improved, the energy consumption and operation cost of the data center can be reduced, real-time monitoring and intelligent management of the thermoelectric power generation process can be realized, and technical support is provided for green, efficient and sustainable development of the data center.

The present invention provides an integrated structure composite conduction type solid oxide cell and a preparation method thereof, and belongs to the technical field of solid oxide fuel cells, the integrated structure composite conduction type solid oxide cell comprises: an integrated skeleton, the integrated skeleton comprises an electrolyte layer and porous layers on two sides, the integrated skeleton is composed of a proton conductor material and an oxygen ion conductor material, the molar ratio of the proton conductor material to the oxygen ion conductor material is 1: (0.8-1.2), and the proton / oxygen ion composite material is prepared by mixing and sintering the proton conductor material with the average particle size of 50-60 nm and the oxygen ion conductor material with the average particle size of 0.1-0.2 [mu] m; the catalyst layer is positioned on the pore wall of the porous layer. According to the invention, by limiting the proportion and the particle size of the proton conductor material and the oxygen ion conductor material, more conduction type paths are prepared, and the output power of the solid oxide battery is improved.

The invention relates to the technical field of food packaging, and discloses a flour packaging bag based on single material compositing, which comprises a middle-sealed folding bag and an eight-edge-sealed folding packaging bag, and comprises a first bag body and a first bag side applied to the middle-sealed folding bag, one side edge of the bag body is connected end to end and then is sealed to form a middle sealing part, and the other side edge of the bag body is sealed to form an eight-edge-sealed folding packaging bag. The first bag body and one end face of the bag side are connected and then are subjected to edge sealing to form a transverse sealing part, the position, located on the transverse sealing part, of the first bag body is coated with an adhesive tape, and after middle sealing is completed, the middle sealing part is attached to the adhesive tape. By adopting the unstretched PE film composite design, the tensile strength, the heat sealing performance and the tear resistance of the packaging bag are remarkably improved, the heat sealing temperature is as low as 120 DEG C or below, and the bag breaking risk is reduced; the method is suitable for complex bag shape processing; through the environment-friendly solvent-free adhesive and the dry type compound technology, the production efficiency is improved, the cost is reduced, meanwhile, efficient recycling and environment-friendly performance are achieved, and the packaging requirement of heavy objects is met.

The invention discloses a method and a device for treating supersaturated wastewater containing chlorobenzene organic matters, and belongs to the technical field of high-concentration organic wastewater treatment. According to the technical scheme, the method for treating the supersaturated wastewater containing the chlorobenzene organic matters comprises the following steps: 1) separating and dissolving undissolved chlorobenzene; 2) oxidizing chlorobenzene and regenerating filler; 3) thoroughly oxidizing chlorobenzene and intermediate products thereof; (4) flocculating settling; the device comprises a first-stage reaction tower, a second-stage reaction kettle and a flocculation sedimentation tank which are sequentially connected through pipelines, the first-stage reaction tower is provided with a wastewater inlet pipeline and a first-stage reaction tower water outlet pipeline, and the first-stage reaction tower water outlet pipeline is provided with an acid liquor feeding pipeline, an oxidizing agent I or catalyst feeding pipeline and a first-stage UV reactor; and a second-stage UV reactor is arranged on a pipeline between the first-stage reaction tower and the second-stage reaction kettle. The method is suitable for treatment processes of high-concentration / supersaturated chlorobenzene-containing organic matter wastewater and high-concentration / supersaturated chlorobenzene-containing organic matter wastewater.

The utility model discloses a circumferential sprue three-plate mold point glue feeding structure of a cylindrical powder metallurgy product. The circumferential sprue three-plate mold point glue feeding structure comprises a glue injection runner, a circumferential side sprue arranged at a port of the glue injection runner, and a transition part which is arranged at the center bottom end of the circumferential side sprue and extends downwards, the peripheral side gate comprises an upper plane part, an inclined ring surface part arranged on the periphery of the upper plane part and a lower plane part positioned below the upper plane part, a port of the glue injection runner is correspondingly butted with the center of the upper plane part, and a peripheral gate corresponding to a cavity of a molded product is formed in the peripheral directions of the inclined ring surface part and the lower plane part. And the transition part is correspondingly butted with the center of the lower plane part. According to the utility model, the rotary circumferential ring side glue feeding mode of point glue feeding is changed, and the problem of black lines on the appearance surface of a product is avoided.

The utility model relates to the technical field of waste recovery devices, and discloses a numerical control machining center waste recovery device which comprises a bearing plate and a recovery box, an extrusion mechanism is arranged on the upper surface of the bearing plate, and the extrusion mechanism comprises a recovery box, a bearing block, a second air cylinder, a second hydraulic rod and an extrusion block. The outer surface of the recycling box is fixedly connected with the interior of the recycling box. According to the waste recovery device of the numerical control machining center, after solid and liquid are separated, a first hydraulic rod fixedly connected with an output shaft of a first air cylinder can be driven to stretch out and draw back through power of the first air cylinder installed on the right side of the recovery box; according to the solid waste recycling device, solid waste entering the recycling box can be pushed by a pushing plate installed on the right side of a connecting block at one end of a first hydraulic rod, the problem of how to collect the solid waste after extrusion forming is effectively solved, the effect of facilitating collection and treatment can be achieved, and meanwhile, the occupied space can be reduced during treatment.

The invention relates to an underwater robot deck visualization operation system and method. The system comprises a control platform, a deck equipment sensor, a camera and an underwater robot. The control platform comprises a control cabinet, an integrated operation chair and a video wall. The control cabinet integrates a data interaction module, a control system, a local data acquisition module, a protocol conversion gateway and an optical fiber communication module to realize data transmission and instruction interaction between equipment; and the control system processes equipment data through the data interaction module and controls the deck equipment and the underwater robot. The integrated operation chair integrates an operation panel, a touch screen and an ergonomic chair, and the operation panel comprises a winch laying button, a cable arrangement device moving button, a traveling block unlocking button and an underwater robot control button. And the video wall displays sensor data and video monitoring pictures. The integrated design is adopted, high integration of deck equipment and an underwater robot operating system is achieved, and the problem of separation of control systems of the deck equipment and the underwater robot operating system is effectively solved.

The invention relates to a method for extracting vanadium and chromium through self-catalysis of vanadium-containing and chromium-containing mud reinforced by micro-nano bubbles in an alkaline solution, which comprises the following steps: introducing micro-nano oxygen-containing bubbles into mixed slurry of the alkaline solution and the vanadium-containing and chromium-containing mud to carry out synchronous reaction which comprises a Fenton-like reaction and an alkaline leaching reaction which are synchronously carried out, and in the synchronous reaction process, an alkali solution and vanadium-containing and chromium-containing sludge are intermittently supplemented, and a vanadium-containing and chromium-containing leaching solution is obtained. According to the method, active oxygen generated by strengthening of the microbubbles and hydroxyl free radicals generated by Fenton-like reaction are used for jointly strengthening damage of phase structures containing vanadium and chromium in the sludge containing vanadium and chromium, and oxidation dissolution of vanadium and chromium is promoted. And efficient leaching of vanadium and chromium in the vanadium-containing chromium mud is achieved under the conditions of low alkali concentration and low temperature, and industrial large-scale production is easy to achieve.

The utility model relates to the technical field of building detection, in particular to a ground misfire performance detection device. The device comprises a box body, a convex edge, a bottom plate, a clamping mechanism and an inner supporting cylinder, a grinding wheel is movably arranged in the box body, and a limiting hole is formed in the side wall of the box body; the two protruding edges are connected to the two opposite side walls in the opening respectively, the width of the protruding edges is larger than that of the opening, and sliding grooves with the length larger than that of the opening are formed in the protruding edges. The bottom plate is provided with a sliding shaft and a limiting block, the bottom plate is in rotatable sliding fit with the sliding groove through the sliding shaft, and when the bottom plate slides, the opening can be blocked, and the limiting block is matched with the limiting hole to limit rotation of the bottom plate; the clamping mechanism is connected with the bottom plate and located in the clamping groove. The inner supporting cylinder is in sliding connection with the box body, the inner supporting cylinder can be controlled to slide so that the end of the inner supporting cylinder can penetrate through the opening to be located outside the box body, and the grinding wheel is located in the inner supporting cylinder. The structure does not need to be split, and use is more convenient.

The utility model provides a lead frame structure, which comprises a lead frame body and a middle rib, the lead frame body comprises a base island and a pin which are arranged in the middle and are used for fixing a chip, the middle rib is arranged around the lead frame body, and the middle rib comprises a first rib body and a second rib body which are connected with each other. The first rib body is located on one side, with the pins, of the lead frame body and connected with the pins, and the second rib body is located on one side, without the pins, of the lead frame body; the second rib body area corresponding to the position between the pin and the base island is a solid rib body, and the rest area of the second rib body is a semi-etched rib body. After the solid rib bodies are added, the supporting force and the fracture resistance of the lead frame structure are enhanced, and the second rib bodies corresponding to the positions between the pins and the base islands are not easy to break up and down in a penetrating manner in the handling process of carrying or film tearing.

The utility model discloses a spliced microcrystalline glass board, including board body, magnetic block and external magnet, the utility model discloses, through the mechanical locking structure of spring pre -tightness cooperation location arc groove and gyro wheel, effectively solved the problem that the magnetic block is displaced and leads to the separation of splicing because of vibration, when the adjacent board body splices, the gyro wheel is made into location arc groove and forms stable meshing under the spring effect of magnetic block, has retained the quick dismounting advantage of magnetic attraction type splicing, and through physical limiting has realized the reliable connection of anti -vibration displacement, has improved glass board replacement efficiency and use stability significantly.

The invention discloses a system for continuous green electrocatalytic synthesis of high-concentration hydrogen peroxide. The hydrogen peroxide synthesized through electrocatalysis can be directly used for the back-end olefin epoxidation reaction after being concentrated, the safety problem caused by easy explosion in the high-concentration hydrogen peroxide transportation process is avoided, the cost problem caused by hydrogen peroxide transportation is solved, and the greenness and economic added value of the whole technological process are increased. In the electrocatalytic synthesis process of hydrogen peroxide, the solid electrolyte is matched with water for use, so that the problem of subsequent separation caused by use of liquid electrolyte in the traditional electrocatalytic synthesis process of hydrogen peroxide is solved. Compared with an anthraquinone method in which hydrogen peroxide is concentrated from an organic solvent, the method has the advantage that the hydrogen peroxide concentration process is simple, convenient, green and economical due to mixing of water generated by electro-catalysis and hydrogen peroxide in the process.

The invention discloses a protein-based adsorbent for selectively adsorbing metal rhenium ions and its application. The adsorbent is obtained by encapsulating alkylamine or ammonium salt in a phase transition aggregate formed by reducing protein with a reducing agent. The method of using the adsorbent is to put the adsorbent into a mixed solution containing rhenium and molybdenum to achieve selective adsorption of rhenium. The preparation and use methods of the adsorbent are simple, environmentally friendly, recyclable, and have a high selective adsorption capacity for rare metal rhenium. The adsorbent can be used for the separation of rhenium and molybdenum in industrial wastewater and ore leachate, and after adsorption-desorption cycles, it still has a high adsorption ratio.

The application provides a high-pressure corrosion-resistant hard alloy material and a preparation method and application thereof, and belongs to the technical field of alloy materials. The application improves the strength, toughness and corrosion resistance of the material by constructing titanium boride, silicon carbide and chromium diboride hard phases, introduces a multiphase composite binder composed of aluminum-iron alloy, high-entropy alloy and cerium hexaboride to realize high-temperature dense coating, and adopts asymmetric gradient paving and sintering process to construct a gradient structure with high surface hardness, high toughness in the core and stress concentration reduction in the transition layer. Meanwhile, the surface hardness and sealing property are strengthened by powder embedding and calcination, and the wear resistance, corrosion resistance and impact resistance of the material are comprehensively improved.

The invention discloses an ultra-deep underwater concrete pouring guide pipe with a flexible mixing device and a using method thereof.The pouring guide pipe comprises a plurality of pipe joints connected in sequence, and detachable flexible deflection baffles are arranged at the bottom end of the tail pipe joint and the connecting position of the adjacent pipe joints; the deflection baffle plate applies lateral and upward force to the concrete liquid falling from the guide pipe, so that when the concrete liquid flows through the deflection baffle plate, part of the concrete liquid deflects towards the lateral upper part in the flowing direction and then falls down; and the resultant force direction of the lateral force applied to the concrete liquid by the two vertically adjacent deflection baffles rotates by an angle alpha relative to the axis of the guide pipe. According to the construction environment, the ratio of the flexible deflection baffle to the pipe joint is determined, alpha is set, when the air resistance effect is large, the speed restraining joint is additionally installed, and the air resistance effect is further reduced. The air resistance effect can be remarkably reduced, the flowability and uniformity of concrete are improved, the aggregate separation and segregation phenomena are reduced, and the construction efficiency and quality in the ultra-deep underwater concrete pouring process are improved.

This utility model discloses a shockproof buckle for a drone transport case, relating to the field of transport case technology. It includes a case body with a lid hinged to the top surface. A sealing groove is formed on the upper end of the inner wall of the case. Two connecting blocks are symmetrically hinged to one side of the lid's top surface, and a crossbar is fixed between the opposing surfaces of the two connecting blocks. A hanging rod is fixed to the outer wall of one side of the case body. This utility model facilitates initial locking of the lid and case body through the interlocking action of the limiting block and locking pin, improving the stability of the buckle connection and thus achieving initial fixation of the lid and case body. Furthermore, the elastic cooperation of the tension spring and telescopic tube provides continuous tension, increasing the locking force and ensuring a tight fit between the lid and case body. Ultimately, this solves the problem of insufficient locking force and poor stability of traditional buckles, which easily loosen and fall off during transportation, leading to separation of the lid and case body, thus improving the safety of the drone during transportation.

This utility model belongs to the field of industrial wastewater treatment technology, and discloses an integrated rainwater thallium removal device, including a collection tank, a treatment mixing tank, an aeration oxidation tank, a first deep cone thickener, a filter press, and an outlet water tank. The collection tank, treatment mixing tank, aeration oxidation tank, and first deep cone thickener are connected in series on the same pipeline. The concentrated liquid outlet of the first deep cone thickener is connected to the liquid inlet of the filter press, and the clear liquid outlet of the first deep cone thickener is connected to the outlet water tank. The liquid outlet of the filter press is returned to the treatment mixing tank through a return pipe. The principle of the deep cone thickener equipment of this utility model is to achieve efficient solid-liquid separation by using gravity sedimentation combined with flocculants to accelerate particle sedimentation. At the same time, the solid content of the sludge is increased through flocculation reaction. The separation problem of wastewater and sludge can be solved by using a smaller filter press, thereby reducing the investment in filter press equipment.

This utility model provides a display device and an interactive device, relating to the fields of display technology and artificial intelligence. The display device includes a display panel, an image acquisition unit, a controller, and a connecting part. The display panel includes a first display area and a second display area, the second display area at least partially surrounding the first display area, and the first display area including at least one first display sub-area. The image acquisition unit is disposed on the side of the display panel away from the light emission direction, and its orthographic projection on the display panel at least partially overlaps with at least one first display sub-area. The light receiving direction of the image acquisition unit is parallel to the light emission direction of the display panel. The controller is disposed on the side of the image acquisition unit away from the display panel. The connecting part connects the image acquisition unit and the controller, and also connects the display panel and the controller.

The application provides a three-dimensional flow impeller blade profile for a high-speed turbine vacuum pump and a design method thereof. f ( m ) is determined by a loading law function, f ( m ) is a segmented function composed of a front loading segment, a main loading segment and a rear loading segment, and the function value and the first derivative are continuous at each segmented point. The application finely controls the work distribution in the impeller flow passage through the loading law function, and suppresses the angle area separation and secondary flow loss under high speed. The front loading segment design adopted by the application improves the low attack angle adaptability of the blade leading edge, the slow change design of the rear loading segment reduces the outlet distortion, and the surge margin and blockage margin of the impeller are both expanded. The application is specially adapted to the loading law of the rarefied gas flow with the inlet pressure of the centrifugal vacuum pump being as low as 20 kPa, and avoids the laminar separation problem easily occurring under low Reynolds number in the conventional design. In addition, the application also has the advantages of strong universality and the like.

The invention provides a time sequence neural network-based protein chromatographic purification anomaly detection and control method, which relates to the technical field of time sequence neural networks, and comprises the following steps: constructing a separation knowledge graph and mapping chromatographic process data to generate a feature vector, and predicting a separation behavior by using a time sequence neural network model of a bidirectional recursive structure, and then an optimization objective function is established to generate an optimal process parameter combination, and finally actual operation data is fed back to the knowledge graph to realize online optimization. According to the method, the protein purification accuracy can be improved, the abnormal risk can be reduced, and intelligent optimization and self-adaptive adjustment of process parameters can be realized.

This utility model discloses a fixture for disassembling and assembling an anti-mixing valve, belonging to the technical field of anti-mixing valves. It includes a clamping device and a lifting device. The clamping device comprises a clamping body detachably connected to the anti-mixing valve body. Clamping arms are fixedly mounted on both sides of the clamping body. The clamping arms lift the clamping body and valve body via the lifting device. The lifting device includes a lead screw and a rotating base. The lead screw is threaded through the clamping arms, and its bottom is rotatably connected to the rotating base. The advantages of this utility model are: by utilizing the structure of the anti-mixing valve itself, the clamping arms lift the clamping body and valve body via the lifting device, solving the problem of the lifting screw not effectively pushing out the valve body during the disassembly of the anti-mixing valve; the rotating base facilitates positioning and fixing of the rotating base and also avoids damage to the connecting pipe by the lead screw.

The utility model provides a valve detection device for ship valve processing relates to valve detection device for ship valve processing technical field, the utility model discloses a detector, the upper top of detector is fixedly connected with the connecting port, is inserted with the connecting line in the inside of connecting port, one end fixedly connected with ultrasonic wave probe of connecting line, the upper top fixed connection of connecting port has the limiting device, the limiting device includes the arc plate of setting in the upper top of connecting port, the surface of arc plate is provided with ring, the inner wall of ring is opened to have the slope, the surface of arc plate is opened to have the screw groove, the surface fixed connection of slope has the screw, the side surface fixed connection of arc plate has the baffle, the baffle sets up arc plate away from the one side of connecting port, the inner wall fixed connection of arc plate has the clamping strip, the clamping strip is rubber strip, the utility model solves the problem that the detector is easy to separate with the probe because of the pulling force is too big.

The invention discloses an anisotropic elastic medium seismic exploration wave field separation method and device, and relates to the technical field of seismic exploration. Comprising the following steps: acquiring anisotropic elastic medium related model parameters in seismic exploration; according to a time domain VTI elastic medium seismic wave equation, the time domain VTI elastic medium seismic wave equation is converted into a wave number domain, and P wave and S wave polarization attributes are obtained by solving a Christoffel equation; constructing an anisotropic wave field separation operator according to the polarization attribute, and performing approximate processing on the anisotropic wave field separation operator by combining polynomial expansion and optimization strategies to obtain an approximate wave field separation operator; acting the approximate wave field separation operator on an original elastic wave field to obtain decoupled P wave and S wave data; and performing seismic exploration processing and interpretation based on the decoupled P wave and S wave data to obtain an exploration result. According to the method, the precision and the efficiency in an existing anisotropic elastic medium wave field separation method can be effectively balanced, and the precision and the efficiency are improved in the development of a seismic exploration technology.

The present invention discloses a method and system for quantifying the relative contribution of climate mode coupling period to ITF transport, the present invention comprises calculating the average flow of the upper and lower layers of the ITF based on multi-source reanalysis ocean current data; obtaining index data representing ENSO and IOD climate factors respectively, calculating the standard deviation of each index data, and determining significant ENSO and IOD single action events according to the standard deviation of each index data within a limited time range; determining the sub-mode when ENSO and IOD act alone in combination with the average flow of the upper and lower layers of the ITF; using the integrated similar circulation method CCA to determine the relative contribution of the index data representing ENSO and IOD climate factors to the ITF transport flow during the climate mode coupling period, and determining the dominant climate factor. The present invention aims to solve the problem that it is difficult to quantify the relative contribution to the ITF flow during the climate mode coupling period and determine the dominant climate factor.

The invention discloses a high-temperature-resistant hot melt adhesive and a preparation method thereof, and relates to the technical field of hot melt adhesives. The high-temperature-resistant hot melt adhesive is prepared from the following raw materials in parts by weight: 25 to 35 parts of modified polyimide resin, 20 to 30 parts of modified benzoxazine resin, 8 to 12 parts of carboxyl-terminated nitrile rubber, 5 to 8 parts of C5 / C9 copolymerized petroleum resin, 3 to 5 parts of hydrophobic modified nano silicon dioxide, 1 to 2 parts of silicone powder, 0.5 to 1.0 part of antioxidant 1010, 0.3 to 0.8 part of zinc stearate and 0.05 to 0.1 part of tetrabutylammonium bromide. The high-temperature-resistant hot melt adhesive is scientific in raw material ratio, core resin is modified to improve heat resistance and compatibility, filler such as hydrophobic nano silicon dioxide is added to enhance performance, the preparation process is controllable, nitrogen protection is achieved in the whole process, moisture absorption is prevented through granulation and drying treatment, and a finished product is excellent in high-temperature resistance, good in comprehensive performance and good in storage stability.

The utility model relates to a through-wall type connector, which belongs to the technical field of connectors, and comprises a socket, a sealing gasket and a protective cover, the socket comprises a socket shell, a fence, a reinforcing rib and a circular mounting column; and the protective cover is clamped on the socket shell. After the structure is adopted, the metal terminal has the following advantages that the side surface of the metal terminal is provided with the through hole, so that electroplating liquid can flow out smoothly, and the bad problems of incomplete coating and the like are solved. And meanwhile, in rubber coating injection molding, a rotation stopping function is achieved, and the problem that the terminal is separated from the rubber coating shell due to overlarge torque when the bolt is fastened is solved. The sealing gasket is provided with the protruding rib positions, after the sealing gasket is pressed tightly, the filling rate of the sealing gasket is reduced under the condition that the requirement of the protection grade is met, the problem that the sealing gasket overflows out of the socket installation panel is solved, the reinforcing ribs are arranged, the strength is improved, and the problem that the shell is twisted to be cracked due to the fact that torque is too large when bolts are fastened is solved. And the performance of the product can be greatly improved.

The invention discloses a continuous flowing water carbonate online measurement device and method, and relates to the technical field of fresh water and seawater carbon monitoring. The device comprises a water body sample injector, a three-way valve, a constant flow pump, an acidification mixer, a water vapor balancer, a gas mass flow meter, a carbonate non-contact conductivity detector, an absorption tube, a data acquisition and control device and the like. A water body sample and a standard sample pass through an electric three-way valve and enter an acidification mixer through a constant flow pump, the acidified sample continuously enters a water vapor balancer, the bottom of the water vapor balancer is connected with high-purity nitrogen, the high-purity nitrogen enters the water vapor balancer after passing through a flow meter, CO2 in the acidified sample is purged out by using the high-purity nitrogen as carrier gas, and CO2 in the water vapor balancer is discharged from the water vapor balancer. The swept CO2 enters an absorption tube and is absorbed by alkali liquor in the absorption tube, and the alkali liquor absorbing the CO2 continuously enters a non-contact conductivity detector for continuous measurement. The device is simple in structure, high in detection precision and high in time resolution, and realizes real-time on-line automatic detection of carbonate in a water body.