130 results about "Dosing units" patented technology

A manufacturing system for a multifunctional composite mala colored stone material, characterized in that: It comprises a raw material pretreatment module, a precision composite manufacturing module, a finished product post-treatment module, which are connected in sequence, and an intelligent control module that networks the respective modules; that the raw material pretreatment module contains an aggregate treatment unit and an auxiliary material treatment unit, for the aggregate treatment unit a link of “vibrating feed → jaw coarse crushing → cone medium crushing → VSI sand production-shaping → classification by means of a multi-deck circular vibrating screen” is used, through the classification aggregates are obtained in specifications of 30 meshes, 50 meshes, 80 meshes, 120 meshes, the auxiliary material treatment unit is equipped with an LM vertical mill and a drying-dehumidifying device;that the precise compound manufacturing module includes an intelligent dosing unit and a mixing modification unit, the intelligent feeding unit is controlled by a PLC control system networked with an electronic dosing scale, and the precision error of a proportional division is ≤ ± 0.5%.

The invention relates to an electronic liquid medicine cup with timing, quantitative and positioning functions, which comprises a cup body unit, and further comprises an authorized opening unit, a timing and quantitative positioning unit and a control unit, the quantitative dosing unit is used for outputting quantitative liquid medicine; the medicine receiving unit enables the liquid medicine flowing out of the liquid outlet to fall into the drinking cup under the action of gravity; a timing module and a voice module are integrated on the central control unit, and the central control unit is used for processing the identity information, controlling the cup cover to be opened and closed, managing the medicine taking time sequence and controlling the quantitative operation of the quantitative medicine feeding unit. The intelligent liquid medicine monitoring system has the advantages that a plurality of functional modules such as liquid storage, identity authentication (fingerprint identification), electric quantitative dosing (a power pump and a one-way valve), electromagnetic locking, remote communication, GPS positioning and man-machine interaction (a display screen) are highly integrated, and a complete intelligent liquid medicine monitoring scheme is formed; and full-process automatic management from reminding, authentication, taking to monitoring is realized.

This invention discloses an underwater chemical dosing system, comprising a coagulation reaction tank, a baffle plate, an underwater image acquisition module, a metering and dosing unit, a housing, and an edge computing unit. The metering and dosing unit is located on one side of the coagulation reaction tank and has a chemical outlet connected to an inlet for adding chemicals into the coagulation reaction tank. The housing is located on one side of the coagulation reaction tank, and the edge computing unit is located within the housing. The edge computing unit is electrically connected between the metering and dosing unit and the underwater image acquisition module, enabling the edge computing unit to receive image data transmitted from the underwater image acquisition module. The edge computing unit calculates the dosage based on the image data and can transmit the dosage data to the metering and dosing unit. The metering and dosing unit can control the amount of chemicals added to the coagulation reaction tank based on the dosage data. This embodiment of the underwater chemical dosing system upgrades to feedback control based on real-time image data, improving dosing accuracy.

Device (10; 10a) for dosing fine-grained contents, in particular pharmaceuticals, into packaging containers (1), comprising a storage container (11; 11a) for the contents, a dosing unit (15; 15a) arranged in a plane below the storage container (11; 11a) with at least one dosing chamber (22) for storing a target quantity of the contents, wherein the dosing unit (15; 15a) is adjustable between at least two different positions, a receiving position in which the contents can be introduced from the storage container (11; 11a) into the dosing chamber (22) and a dispensing position in which the contents are dispensed from the dosing chamber (22) into the packaging container (1), and a conveying device (100) for the packaging containers (1) to be filled, which conveys a packaging container (1) below the dosing unit (15; 15a) to the dispensing position of the dosing unit (15; 15a), characterized in that the dosing unit (15;15a) is rotatable stepwise about a vertical axis (12; 12a), and that two metering chambers (22) are provided on a pitch circle diameter of the metering unit (15; 15a) offset from each other by 180°, wherein the distance (A) of the metering chambers (22) on the pitch circle diameter corresponds to 1 / n times the pitch distance (a) of two packaging containers (1) conveyed in the conveying device (100), and wherein n is a natural number.;

This utility model belongs to the field of water treatment technology, specifically relating to a water dispenser and equipment for pharmaceutical production using a full membrane process. The water dispenser includes: a water pretreatment system suitable for treating raw water into drinking water, and includes: a filtration module and a sterilization module; the filtration module includes: a first buffer tank suitable for receiving and conveying raw water; a first dosing unit suitable for adding chemicals to the raw water conveyed from the first buffer tank; and a filtration unit equipped with a nanofiltration membrane, suitable for receiving the raw water conveyed from the first buffer tank, filtering it through the nanofiltration membrane, and returning it to the first buffer tank to form a cycle, and suitable for conveying the filtered raw water to the sterilization module after a corresponding cycle time; the water pretreatment system treats the raw water into drinking water, and the water treatment system treats the drinking water into water for injection, and a first loop pipe keeps the water flowing during the treatment process to prevent bacterial growth.

The invention discloses an intelligent adjusting tank system for carbon source recovery, and relates to the technical field of sewage treatment, the intelligent adjusting tank system comprises an intelligent homogeneous adjusting tank, the intelligent homogeneous adjusting tank comprises an adjusting tank body, and the inner side of the middle part of the adjusting tank body is connected with the bottom end of a diversion annular sleeve; the device further comprises an adjusting tank water distribution mechanism, a homogeneous stirring mechanism, a hydrolytic acidification-membrane separation coupling tank and an intelligent dosing unit, wherein the adjusting tank water distribution mechanism is mounted in the middle of the arc-shaped tank bottom; the homogeneous stirring mechanism is mounted in the middle of the regulating tank body; according to the intelligent adjusting tank system for recycling the carbon source, the quality of inflow water is monitored and pre-adjusted in real time through the intelligent homogeneous adjusting tank, the buffering capacity on inflow water impact load is high, it is ensured that wastewater entering the hydrolytic acidification cavity is in the optimal reaction condition, volatile fatty acid is enriched and recycled through the membrane separation effect, and the yield is high. The recovered carbon source can be directly used for a subsequent biological nitrogen and phosphorus removal process, so that the problem of insufficient carbon source during nitrogen and phosphorus removal of industrial wastewater with low carbon nitrogen ratio is effectively solved.

This utility model relates to the field of wastewater treatment and resource recovery technology, specifically disclosing an integrated device for anaerobic fermentation of sludge to produce biogas and recover phosphorus, including: an anaerobic fermentation unit, a phosphorus recovery unit, a sludge treatment unit, a biogas recovery unit, a dosing unit, and a PLC control device. In this integrated device, after the phosphorus-rich supernatant released from the anaerobic fermentation unit enters the sedimentation tank, the PLC control device adjusts the pH to 8.5-9.0 according to data from a pH monitor, using a sodium hydroxide dosing machine, while simultaneously adding magnesium chloride via a magnesium chloride dosing machine. 2+ , prompting PO4 3‑ NH4 + With Mg 2+ The reaction produces struvite, which is then accelerated by adding PAM through a PAM dosing machine. Finally, the struvite is collected and dried through an inclined tube, realizing the targeted recovery and resource utilization of phosphorus in sludge. This avoids eutrophication of water bodies caused by phosphorus discharge with sludge and significantly improves the utilization rate of phosphorus resources.

The application discloses a device and method for spraying S-ethofenprox in tobacco threshing and redrying online. The device comprises a dosing unit, a spraying unit and a controller. The controller is connected with an online production control system. The spraying unit is connected with a leaf moistening drum equipment. The dosing unit comprises a medicine tank and a medicine transmission pipeline. The medicine tank is used for storing S-ethofenprox medicine. The spraying unit is used for spraying S-ethofenprox medicine on tobacco in the leaf moistening drum equipment. One end of the medicine transmission pipeline is connected with the medicine tank. The other end of the medicine transmission pipeline extends into the leaf moistening drum equipment and is connected with the spraying unit. A pneumatic diaphragm regulating valve connected with the controller is arranged on the medicine transmission pipeline. The device and method for spraying S-ethofenprox in tobacco threshing and redrying online can spray biological medicine online in tobacco threshing and redrying, so that the purpose of preventing and controlling insect pests of tobacco is achieved. The fumigation and insect killing process in the later storage process of cut tobacco is reduced. The device and method not only save cost, but also reduce chemical pollution and residues.

The application discloses a shellfish cleaning system based on biomimetic enzymolysis and micro-eddy current impact, and relates to the technical field of aquatic product processing. The system comprises a primary spraying station, a biomimetic enzyme micro-eddy current cleaning station, a secondary spraying station and a vibrating grading and screening station which are sequentially arranged along the material conveying direction. The primary spraying station is provided with a machine vision recognition module and a pre-rinsing spraying module. The machine vision recognition module adopts YOLOv12-DAFM and is intelligently fused by using a DAFM module. The network framework is based on a YOLOv12 baseline model. The biomimetic enzyme micro-eddy current cleaning station is provided with a dosing unit for adding biomimetic enzyme preparations and a fluid generating unit for generating a controlled micro-eddy current field in a cleaning tank. The dosing unit is a composite enzyme adding device for storing and quantitatively adding at least three different biomimetic enzyme preparations. The fluid generating unit comprises the cleaning tank. Based on the recognition result of the machine vision, the system can automatically match the optimal enzyme formula and cleaning parameters, and realize intelligent 'cleaning according to the material'.

The invention discloses a double-loop water chemical multi-parameter coordinated regulation and control test device for nuclear power material corrosion simulation. The double-loop water chemical multi-parameter coordinated regulation and control test device comprises a low-pressure water chemical pretreatment loop, a high-temperature and high-pressure corrosion simulation loop and a control module, the low-pressure water chemical pretreatment loop is connected with the high-temperature and high-pressure corrosion simulation loop through a pipeline and a valve, so that the test medium regulated and controlled by the low-pressure water chemical pretreatment loop is conveyed to the high-temperature and high-pressure corrosion simulation loop and flows back to the low-pressure water chemical pretreatment loop; the control module is electrically connected with the first monitoring component, the second monitoring component, the dissolved hydrogen / oxygen control unit, the dosing unit and the autoclave heating unit, receives and analyzes the hydrochemical parameter deviation of the low-pressure hydrochemical pretreatment loop and the high-temperature and high-pressure corrosion simulation loop by adopting a PID (Proportion Integration Differentiation) regulation algorithm, and dynamically regulates the working state of the execution unit; therefore, multi-parameter coordinated regulation and control are realized.

The present invention relates to an integrated dosimeter comprising: a plurality of filters having different energy responses according to the type of incident radiation; a dose unit including a plurality of dose elements which are positioned to correspond to each filter and which generate light by radiation passing through each filter; and a plurality of optical amplification elements for converting the light generated from each dose element into current signals, wherein the plurality of filters include: a first filter, a second filter and a third filter having selective energy responses to beta rays, gamma rays and X-rays, respectively; and a fourth filter and a fifth filter having selective energy responses to neutrons, and also having selective energy responses to energy level of the neutrons.

A controller (200) for managing the creation of a sample comprising a mixture of milk and a chemical is disclosed. The controller determines the ratio between milk and chemical based on a predetermined value or the quality criterion of a previous sample in the same milking session. It sends a first control signal to a milk dosing unit (120) and a second control signal to a chemical dosing unit (130) to supply the ingredients according to the ratio, creating the sample. Additionally, the controller sends a signal to an image sensor (210) to capture the sample's image and assess its quality based on somatic cell detection. If the quality criterion is not met, the controller adjusts the ratio and regenerates a subsequent sample during the same milking session.

The application discloses a kind of organic volatile pollution remediation simulation devices containing groundwater and application method thereof, and the simulation device for remediation includes experimental box, groundwater layer arranged in the bottom of experimental box, soil arranged above water-permeable plate, waterproof monitoring unit arranged in one side of experimental box, integrated unit arranged in the top of experimental box, steam dosing unit arranged in integrated unit, first gas phase extraction unit and liquid phase extraction unit arranged in integrated unit and arranged in soil;The simulation of extraction remediation technology can be effectively carried out by the setting of integrated unit, and the gas phase, liquid phase and steam dosing in the remediation technology are effectively connected;By the setting of waterproof monitoring unit, the groundwater is blocked, and the simulation of effective change of groundwater level is guaranteed;By the simulation setting of remediation technology, the actual extraction technology in experimental box is effectively guaranteed, and the remediation technology is effectively evaluated.

The Manual Volumetric Granule Dosing Device is a manual equipment intended for the agricultural sector for the application to the soil or crops of solid fertilizers, manures, physical soil conditioners or other similar products whose granules have a dimension less than 1.5 mm, which allows dosing small quantities of exact volumes of granules in each discharge, according to their physical properties.

The invention relates to the technical field of environmental treatment, in particular to an inland water sediment treatment system and method. The system comprises a suction unit, a temporary storage unit, a mixing unit, a curing and adding unit and a dehydration storage yard, wherein the suction unit is used for extracting bottom mud of a water body and conveying the bottom mud to the temporary storage unit, the curing and adding unit is used for injecting a stabilizer into the mixing unit, and the mixing unit enables the bottom mud, airflow and the stabilizer to form a uniform gas-liquid-solid three-phase system; high-risk exchangeable heavy metal, high-risk carbonate combined heavy metal and high-risk iron and manganese oxide combined heavy metal are directionally converted into stable mineral phases, dewatering and pennisetum hydridum planting are matched, residual heavy metal is adsorbed for a long time by means of the hyperaccumulation characteristic of pennisetum hydridum, and end ecological management and control are achieved. According to the scheme provided by the invention, the links of desilting, heavy metal curing, dewatering and repairing are integrated, so that the equipment redundancy can be effectively reduced, meanwhile, the requirement of large-scale bottom mud outward transportation and disposal can be omitted, and the transportation and landfill cost is greatly reduced.

This invention provides a reagent dosing system for flotation processes, belonging to the field of mineral processing technology. It includes a reagent preparation unit, a reagent storage unit, and an automatic dosing unit, which are connected sequentially via pipelines. The reagent preparation unit includes a stirring tank and a self-cleaning filter. The stirring tank is connected to the self-cleaning filter via a pipeline, and a return pipe is connected to the self-cleaning filter, with its other end located above the stirring tank. This invention avoids pipeline blockage and reduces raw material waste.

The invention relates to the technical field of water treatment, in particular to a powder medicine collaborative adding device for a water treatment system, which comprises a liquid medicine adding unit, a powder medicine adding unit and a collaborative control module, and the collaborative control module is respectively connected with the liquid medicine adding unit and the powder medicine adding unit. The cooperative control module controls opening and closing of electric valve inserting plates at corresponding positions and starting and stopping of a recycling mechanism, independent operation, mutual standby and cooperative chemical feeding of the liquid chemical feeding unit and the powdery chemical feeding unit are achieved, three chemical feeding modes are achieved, and the chemical feeding efficiency is improved. The liquid dosing unit can be started in time to perform corresponding dosing on the wastewater treatment tank when the liquid dosing unit breaks down, so that the problem that the treatment process of the water treatment system is out of control due to dosing interruption easily caused by difficulty in supplementing subsequent chemicals or chemicals in time when a certain unit breaks down is avoided.

A device (1) for coating a substrate (2) with a coating medium is described. The device (1) comprises: a pressure unit (5) with a cartridge (15) containing the coating medium, with a nozzle head (16) having a number of nozzles for dispensing the coating medium by means of a dispensing pressure (p) preferably provided externally to the pressure unit (5) and which are in fluid communication with the cartridge (15), and with a metering unit (20) for the coating medium, which is connected between the cartridge (15) and the nozzle head (16); and a mounting system (3) including an electrically operated actuator unit (4), preferably a linear actuator, designed to actuate the metering unit (20); wherein the pressure unit (5) together with the cartridge (15), the nozzle head (16) and the dosing unit (20) can be removed from the assembly system (3) and stored separately in a cool place (18).

The utility model relates to an excess sludge pretreatment system which comprises a treatment unit and a dosing unit, and the treatment unit comprises a reaction container with an inner cavity and an ultrasonic generator arranged in the inner cavity; in the horizontal direction, an input port and an output port are respectively formed in two opposite ends of the reaction container, and the residual sludge enters the inner cavity from the input port and flows to the output port; the ultrasonic generator is arranged at a position close to the input port and is configured to emit ultrasonic waves towards the output port; the chemical adding unit comprises a chemical container and a chemical conveying pipe for communicating the chemical container to the reaction container, and the chemical conveying pipe is constructed to be communicated to the position adjacent to the input port; a medicament solution stored in the medicament container is configured to be conveyed into the inner cavity through the medicament conveying pipe. The problem that equipment selectivity in a traditional treatment system is single is solved, ultrasonic waves and agents act together, the advantages of the two treatment modes complement each other, and therefore the conditioning effect and efficiency are improved.

The application provides a multi-stage cyclone structure intelligent control aeration device, and belongs to the technical field of industrial wastewater treatment equipment. The device comprises a submersible pump, which sucks wastewater into a cyclone aeration cylinder; a spiral flow guide groove is arranged in the lower cylinder section of the cyclone aeration cylinder, the lower part of the middle cylinder section is a first cyclone mixing unit, the upper part is a second shearing and crushing unit, a spoiler structure is arranged in the upper cylinder section, and a diffusion cover is arranged at the top; an external air injection manifold, which provides a downward pressure for the cyclone aeration cylinder, is arranged; a gas supply unit, which provides air for the cyclone aeration cylinder and the external air injection manifold, is arranged; a sensor unit, which monitors wastewater quality and vertical displacement of the aeration cylinder, is arranged; a collaborative dosing unit, which adds reagents to the cyclone aeration cylinder, is arranged; and a control unit, which adjusts the flow of the submersible pump, the air supply of the gas supply unit and the adding amount of the collaborative dosing unit according to wastewater quality, is arranged. The application offsets the buoyancy of the cyclone aeration cylinder through the external air injection manifold, and improves the aeration effect in combination with the multi-stage cyclone structure.

The application provides a device and method for treating municipal sewage based on short-range denitrification coupled with anaerobic ammonia oxidation continuous flow, the device comprises a water inlet unit, a composite biofilm reactor, a hydroxylamine dosing unit, a backwashing unit and an aeration unit, the composite biofilm reactor comprises an anoxic reaction zone and an aerobic reaction zone in sequence; the water inlet unit is connected with the anoxic reaction zone, the outlet of the aerobic reaction zone is connected to the anoxic reaction zone through an external pipeline, the hydroxylamine dosing unit is connected with the anoxic reaction zone, the backwashing unit is connected with the bottom of the anoxic reaction zone, and the aeration unit is connected with the bottom of the aerobic reaction zone. Through the division of the reaction zone of the composite biofilm reactor and the setting of the structure units such as hydroxylamine dosing, backwashing and aeration, the sewage can be continuously treated, the short-range denitrification can be quickly started through the control of the hydroxylamine dosing process, the ammonia nitrogen removal rate is high, the treatment load is high, the sewage treatment cost can be reduced, and the device is suitable for multiple application scenarios.

A synthesis apparatus for carbazole Schiff bases, consisting of a reaction vessel with heating and stirring mechanism, reflux condenser, catalyst dosing unit, solvent recovery system, crystallization chamber, product collection container and drying unit, wherein all units are functionally interconnected to enable the automated synthesis of carbazole Schiff base derivatives by condensation reactions between carbazole derivatives and substituted aldehydes.

The embodiment of the invention discloses a muddy water treatment system and a muddy water treatment method. The muddy water treatment system comprises a sedimentation tank, a potential mixer, a water pump, a first dosing unit and an ultrafiltration unit, the settling pond is used for settling suspended matters in water; the potential mixer is communicated with the sedimentation tank and is used for mixing fluid and total solids in the potential mixer; the water pump is used for conveying clear liquid containing particles and colloids in the sedimentation tank into the potential mixer; the first dosing unit is communicated with the potential mixer, and the first dosing unit is used for adding cationic polyelectrolyte into the potential mixer; the ultrafiltration unit is communicated with the potential mixer and comprises a hollow fiber ultrafiltration membrane, and the hollow fiber ultrafiltration membrane is used for performing cross-flow filtration on liquid entering the ultrafiltration unit. According to the muddy water treatment system and the muddy water treatment method disclosed by the embodiment of the invention, fine particles and colloidal substances can be effectively prevented from being blocked or adsorbed in membrane holes and inlets, so that membrane pollution is relieved fundamentally.

The application discloses a water treatment intelligent experiment table, which comprises an experiment table, a loading plate fixed to the upper end face of the experiment table, a rotating disc rotatably assembled on the upper end face of the loading plate, a plurality of experiment stations circumferentially distributed on the rotating disc, a beaker placed on each experiment station, a stirring unit corresponding to each beaker, each stirring unit being fixed to the rotating disc on one side of the beaker, and a dosing unit assembled on one side of each stirring unit. The application realizes full-process automation from dosing, stirring and precipitation to data collection, does not need manual intervention, reduces the workload of experiment personnel, and significantly improves the experiment efficiency. The application realizes high-precision closed-loop dosing and multi-sensor online monitoring, eliminates human operation errors, and ensures the objectivity, accuracy and high reproducibility of experiment data.

The invention discloses an oxidation pretreatment system for an anoxic vanadium polluted environment and a remediation method, and belongs to the technical field of environmental chemistry and pollution control. The system comprises an adding unit, a pH regulation and control unit and a monitoring unit, the adding unit is used for adding amorphous ferrihydrite into the polluted water body as an oxidizing agent, and the pH regulation and control unit is used for regulating the pH value of the water body and maintaining the pH value between 5.0 and 7.0. The remediation method comprises the following steps: firstly, carrying out oxidation pretreatment on low-valence vanadium by using amorphous ferrihydrite under an anoxic condition, and then adding an adsorption material to adsorb and fix generated pentavalent vanadium. The problem that low-valence vanadium is difficult to directly remove by a traditional adsorbent in an anoxic environment is solved, efficient and stable repair of vanadium pollution is achieved through the synergistic effect of directional oxidation and obligate adsorption, and the method has the advantages of being environmentally friendly and low in cost.

The invention discloses a method, equipment and system for determining the dosage of a sewage treatment agent.The dosage determining method comprises the steps that a current water quality state combination of sewage to be treated is compared with an existing water quality state combination, and when it is determined that the existing water quality state combination corresponding to the current water quality state combination exists, the dosage of the sewage treatment agent.The dosage of the sewage treatment agent.The dosage of the sewage treatment agent.The dosage of the sewage treatment agent.The dosage of the sewage treatment agentis determined. According to the chemical adding unit consumption corresponding to the existing water quality state combination, initial chemical adding unit consumption corresponding to the current water quality state combination is determined, the initial chemical adding unit consumption serves as an exploration starting point, multi-step exploration is carried out on the chemical adding unit consumption of the current water quality state combination according to the adding strategy of gradually reducing the chemical adding unit consumption, and the chemical adding unit consumption of the current water quality state combination is obtained. And finally, the unit consumption of the target medicament which is well matched with the current water quality state combination is explored. According to the method for determining the dosage, under the condition of not depending on a large amount of historical water quality index data, the target agent dosage better matched with the current water quality state combination can be actively explored at a relatively high speed, and the sewage treatment cost can be reduced.

This utility model discloses a wastewater treatment agent quantitative dosing device and a wastewater tank, comprising a multi-axis displacement unit, a quantitative dosing unit connected to the moving end of the multi-axis displacement unit, and a control unit. The quantitative dosing unit includes a storage component, a dosing pump, a quantitative component, and a spraying component interconnected by pipelines. The quantitative component includes a quantitative tank and a float plate disposed within the quantitative tank. The float plate divides the quantitative tank into an upper chamber and a lower chamber. The lower chamber connects to the dosing pump and the spraying component. A fixed sensor and a loading component corresponding to the sensor are disposed in the upper chamber. The loading component is connected to the float plate. The control unit is electrically connected to the sensor, the dosing pump, and the spraying component. This utility model improves the efficiency and quality of wastewater treatment and reduces the risks and costs of manual operation.

The invention belongs to the technical field of copper ion wastewater treatment methods, and particularly relates to a method for treating copper ion wastewater containing a thiourea complexing component, which comprises the following steps: step 1, collecting cleaning and discharging wastewater of an immersed plating wire by using a wastewater collecting device, according to the treatment method for the copper ion wastewater containing the thiourea complexing component, a continuous PH dosing unit is arranged according to the test condition of a pilot plant test to adjust the PH of the wastewater entering the micro-electrolytic tank, and in order to ensure that the PH value of the wastewater entering the micro-electrolytic tank is always lower than 3.5, backflow with the unqualified PH value is set in the PH adjusting process. When the microelectrolysis process is used for treating wastewater of an immersion plating surface treatment process in the electronic industry which adopts thiourea for complexing, the method has the advantages of simple treatment process, small use amount of chemicals and low power consumption; the microelectrolysis material filled in the wastewater is utilized to generate 1.2 V potential difference to carry out electrolysis treatment on the wastewater, so that the purpose of degrading organic pollutants is achieved.

The invention discloses a water circulation device and system for a water area simulation rescue training facility, and belongs to the technical field of water area rescue training. The water circulation device comprises a reservoir, a training water channel, a central island, a water circulation mechanism and a water supplementing unit; a make-up pump communicated with the interior of the reservoir is arranged on the top plate at the opening of the sump; the water circulation mechanism comprises a filter unit, a dosing unit, a drainage unit, a sewage treatment unit, a circulating pump set and a control valve set, an inlet of the filter unit is communicated with an outlet of the circulating pump set through the switching valve set, an outlet of the dosing unit and an outlet of the filter unit converge to the reservoir, and the drainage unit is communicated with the reservoir and the water collection pit. The outlet end of the sewage treatment unit is communicated with the drainage unit. The water circulation mechanism is controlled to form multiple mutual exclusion operation modes, circulating purification of training water and up-to-standard discharge of sewage are achieved, and the device has the advantages of being good in water quality guarantee, high in automation degree, environmentally friendly and capable of saving energy.

The heat treatment equipment for metal material manufacturing comprises a machining platform, a supporting top and a cooling and pressing mold assembly, the cooling and pressing mold assembly is composed of a first mold and a second mold, the first mold is fixedly arranged on the upper surface of the machining platform, and the second mold is fixedly arranged on the lower surface of the machining platform; cooling runners are arranged in the first mold and the second mold, and the two ends of each cooling runner are fixedly connected with a cooling liquid output pipe and a cooling liquid input pipe correspondingly; in order to solve the problems that in the prior art, a runner of common metal heat treatment equipment is scaled and blocked, and the cooling efficiency is affected, the heat treatment equipment with the automatic anti-scaling function is designed, the flow of cooling liquid can be monitored in real time through a flow sensing unit, an automatic chemical adding unit is controlled through a chemical quantity self-adjusting unit, and the cooling efficiency is improved. The chemical adding amount can be automatically adjusted according to the flow change, so that the runner scaling is prevented, the cooling efficiency is maintained, and the technical problem of runner blockage is solved.