245 results about "Water based" patented technology

The invention discloses a drinking water disinfection by-product generation prediction method based on a reaction kinetic model, and belongs to the technical field of drinking water treatment and drinking water quality prediction, and the method is realized based on the following steps: 1) constructing a disinfection by-product generation kinetic model of a model compound and determining the reaction rate of each step; 2) constructing and optimizing a disinfection by-product generation kinetic model of the natural organic matter on the basis of the obtained reaction rate to obtain a disinfection by-product generation kinetic model of an actual water body; 3) establishing a prediction method for the concentration of each component in the model; and 4) inputting the measured concentration of each component in the actual water body into the constructed model, and calculating and predicting a disinfection by-product generation kinetic result of the actual water body through the model. The method fully considers the generation kinetics of the disinfection by-products of the actual water body under different space (time) distribution, can quickly predict the generation of various disinfection by-products which are managed and controlled and are not managed and controlled but have high toxicity, provides early warning for the effluent quality of drinking water treatment, and ensures the safety of drinking water.

The invention relates to a rotational flow generator for gathering various cheap objects, in particular to a rotational flow generator for gathering air and water based on medium-low temperature gas of 40-350 DEG C as a core acting medium, the rotational flow generator, the medium-low temperature gas and the medium-low temperature gas are low-cost media, and equipment is made of medium-low temperature materials, so that the rotational flow generator is called as various cheap objects. A water collecting and pressure stabilizing area is arranged at the inner bottom of a cavity of the cyclone generator body, a backflow pipe is matched with the water collecting and pressure stabilizing area, penetrates through the cyclone generator body and then is connected with an external hot water pool, and according to the first principle of gas acting, how to enable an engine rotating wheel to reach the needed rotating speed at the lowest cost and how to rotate faster, and a series of structural designs are adopted. Two treasures, namely free atmospheric pressure potential energy and micro-cost water, are gathered together, the potential of medium and low temperature gas is completely squeezed, the detonation type unlocking of the medium and low temperature gas enables the medium and low temperature gas which is originally low in effect to create a multi-cause comprehensive total amount, and maximization of benefits is achieved.

The invention discloses a preparation method of plasma activated water based on a micro-nano bubble synergistic effect, and mainly solves the technical problems that the generation efficiency of liquid-phase active particles in the plasma activated water prepared by the existing method is low, the chemical activity of the plasma activated water is difficult to maintain and the like. The preparation method comprises the following steps: introducing micro-nano bubbles into pure water until the pure water is saturated to obtain micro-nano bubble water; then performing plasma activation treatment on the micro-nano bubble water within 3 minutes to obtain plasma activated water based on the micro-nano bubble synergistic effect; the gas adopted by the micro-nano bubbles is one of air, oxygen, nitrogen or helium. The chemical activity of the plasma activated water is enhanced, the maintenance time of the activity of the activated water is greatly prolonged, efficient production and long-acting storage of the plasma activated water are facilitated, and the method has great significance in biomedical application of the plasma activated water.

The invention relates to the technical field of water treatment, in particular to a method for treating degradation-resistant organic pollution underground water based on a micro-interface strengthening technology. According to the technical scheme, the method comprises the steps that an underground water sample is collected and subjected to pollution characteristic analysis, composite material slurry is injected into a water-containing layer to construct an interface-enhanced in-situ reaction system, and the slurry is composed of nanoscale iron-based metal particles, graphene oxide derivatives, modified biochar, a surfactant and the like; meanwhile, a low-pressure gas injection system is arranged to form a micro-aerobic environment so as to improve the interface reaction efficiency, dominant microbial communities are synchronously injected, a slow-release carbon source carrier is added so as to strengthen the biological synergistic degradation effect, and the operation state of the system is regulated and controlled through multi-parameter monitoring. According to the method, a micro-interface synergistic system integrating physical adsorption, chemical reduction and biological metabolism is constructed, refractory organic pollutants such as aryl halide and polycyclic aromatic hydrocarbon in underground water can be efficiently and stably removed, and the method has the advantages of being high in remediation efficiency, high in operation stability and wide in environmental adaptability.

A datacenter dry cooling system and method for cooling a heat-generating source are provided. The configuration includes an evaporating pad disposed on an air-to-liquid heat exchanger panel and an evaporating cooling water distribution arrangement for applying a controlled measured amount cooling water to the evaporating pad. The applied water serves is to be evaporated while the evaporating pad is exposed to ambient airflow to dissipate thermal energy of warmed liquid received from the heat-generating sources. The evaporating pad incorporates at least one of a temperature sensor or a humidity sensor for detecting outside temperature or humidity levels. A controller communicatively-coupled to the temperature or humidity sensor controls the volume flow of the cooling water based on the detected temperature or humidity levels.

Described herein is an easy-to-compost water based adhesive composition and the preparing method thereof. The compostable water-based adhesive composition, comprising (a) at least one vinyl acetate-ethylene copolymer, (b) at least one phosphoric acid-modified starch, (c) at least one vegetable oil, and (d) water, wherein the composition has a solid content of larger than 20%.

The application relates to an automatic magnesium oxide coating analysis system and method, and belongs to the technical field of coating quality analysis. The method comprises the following steps: acquiring the properties, infrared spectrum and environmental temperature and humidity data of the magnesium oxide coating, and constructing a multi-source feature set; analyzing the distribution dispersion and local enrichment risk of free water based on a dynamic migration model, and analyzing the bond weakening degree and dissociation risk of combined water based on a chemical stability model; generating free water treatment process parameters for inhibiting structural damage and combined water treatment process parameters for preventing performance attenuation according to abnormal analysis results and coating properties; and through coupling influence analysis on the two types of process parameters, the balance requirements of coating structural integrity and chemical stability are coordinated, an optimized process scheme is generated, and synergistic regulation and control are realized. The application realizes accurate identification, independent analysis and synergistic control of free water and combined water, and improves the accuracy, reliability and quality consistency of coating moisture treatment.

The application discloses an intelligent pH adjusting device for inner cooling water and an application method thereof. The intelligent adjusting device comprises a pH meter before dosing, a conductivity meter before dosing, a control assembly, a metering pump, a lye tank, a conductivity meter after dosing and a pH meter after dosing. The output ends of the pH meter before dosing, the conductivity meter before dosing, the conductivity meter after dosing and the pH meter after dosing are connected with the control assembly. The output end of the lye tank is communicated with a circulating loop of the inner cooling water. The metering pump is installed on the output pipeline of the lye tank and the control end thereof is connected with the control assembly. The application can realize closed-loop control of adding lye in the circulating loop of the inner cooling water based on the pH values before and after dosing and the conductivities before and after dosing, can ensure the accurate amount of lye added when the water quality fluctuates, avoids the problems that the actual controlled pH value does not participate in control, the lye is not accurately added when the water quality fluctuates and the operation and maintenance rely on the experience of workers, and thus realizes precise intelligent automatic control of the pH of the inner cooling water.

This invention discloses an in-situ removal process for total inorganic iodide in water based on oxidation-adsorption, belonging to the field of water treatment technology. The process includes: first, taking raw water containing inorganic iodide, adding bicarbonate and adjusting the pH of the solution to 7-7.5; then, adding ferrous salt to the raw water; finally, adding KMnO4 to the raw water with added ferrous salt under stirring conditions, reacting to prepare a MnO2-nascent iron particle complex; on the one hand, promoting the removal of total inorganic iodide from water through mild oxidation-adsorption. ‑ Oxidation transformation occurs to generate HOI / I2; on the other hand, the in-situ products HOI / I2 are adsorbed and fixed through adsorption / co-precipitation methods, and nascent iron is captured through surface coordination or electrostatic adsorption. This invention achieves the capture of I2 under neutral / weakly alkaline drinking water conditions through a mild and controllable oxidation-adsorption synergistic mechanism. ‑ Simultaneous adsorption and removal of its conversion products are achieved to ensure that total iodine is removed to the required standard.

The invention belongs to the technical field of water treatment, and particularly relates to an underground water fluorine ion removal method based on a superconducting coupling steel slag adsorption process. Comprising the following steps: S1, drying, grinding and screening steel slag to obtain pretreated steel slag; s2, adding the pretreated steel slag and weak acid into the fluorine-containing underground water, and uniformly stirring and mixing to obtain a mixed liquid; s3, the mixed liquid passes through a superconducting HGMS system, the magnetic induction intensity and the flow speed of the mixed liquid are controlled, and underground water reaching the standard is obtained through superconducting coupling treatment; s4, the superconducting HGMS system is controlled to carry out backwashing, and solid-liquid separation is achieved; cheap and easily available steel slag is used as an adsorbent, an acid solution is added to improve the defluorination efficiency of the steel slag adsorbent, and in the underground water treatment process of the superconducting coupling technology, continuous operation can be achieved, investment is saved, occupied space is small, and the operation process is simple. The industrial waste steel slag can be recycled, and the high-fluorine underground water treatment cost can be reduced.

The invention provides a special leveling agent for terylene and blended fabric thereof as well as a preparation method and application of the special leveling agent. The special leveling agent disclosed by the invention is prepared from the following components in percentage by weight: 13 to 26 percent of C12-15 alkyl alcohol polyoxyethylene ether, 12 to 22 percent of modified polyether ester, 4 to 10 percent of phenolic ether sulfate, 17 to 32 percent of salt-tolerant comb-type ampholytic surfactant and 12 to 45 percent of water, wherein the total weight is 100 percent. The special leveling agent for the terylene and the blended fabric thereof is excellent in retarding and migration performance, strong in binding force with dye, good in dispersity, uniform in dyeing and free of dyeing defects; the decoloration is small, and the final coloring of the fabric is not influenced; the emulsion removal effect on mixed oil is good, oil removal is thorough, and oil spots and dyeing defects are not prone to being generated; and the oil-removing and dyeing one-bath agent can be used for an oil-removing and dyeing one-bath process of the polyester-spandex blended fabric under the condition of reuse water, so that the production efficiency is improved, and the carbon emission is reduced.

The invention discloses an antimony and manganese removal water treatment system and method based on feedforward-feedback control, and belongs to the technical field of water treatment. When the antimony concentration of inflow water is abnormal, pH pre-adjustment is carried out through an acid adding device before coagulation, after the pH is precisely reduced to a target value, an iron salt coagulant is added, antimony is removed through coagulation and precipitation procedures, the pH is adjusted back through an alkali adding device before filtration, and it is ensured that the effluent water reaches the standard. And when the manganese concentration of the settled water exceeds the standard, synchronous removal of manganese is realized by utilizing the adsorption effect of specific filter sand in the filter tank. According to the method, the detection device and the control system are integrated, the feed-forward-feedback mechanism is used for optimizing pH regulation and control and agent adding in real time, the problems that in a traditional method, pH control is difficult, low-concentration antimony removal is unstable, the manganese adsorption capacity is limited and the like are effectively solved under the condition that a process unit does not need to be newly added, cooperative, efficient and stable removal of antimony and manganese is achieved, and the method is suitable for large-scale industrial production. And the discharged water continuously meets the limit value requirements of the Sanitary Standard for Drinking Water.

An object of the present invention is to provide a flow velocity measuring system in which a sensor is not in contact with water and which can measure a flow velocity of water with a simple configuration. Another object of the present invention is to provide a novel flow rate measurement system capable of measuring a flow rate of water based on the flow velocity.SOLUTION: The flow velocity measuring system includes a drainage pipe, a distance sensor, and a measuring unit, the drainage pipe being capable of discharging water from a water discharge port in a horizontal direction, the distance sensor being disposed at an arbitrary position facing the water discharge port at a horizontal distance D and a vertical distance Y from the water discharge port and being capable of detecting a horizontal distance Xo from the water discharge port to water, the measurement means is capable of measuring the flow velocity Vo of the water discharged from the water discharge port from Xo, D, Y, and the gravitational acceleration g.SELECTED DRAWING: Figure 1

A water based 2K coating composition, containing one or more water soluble epoxy resins, one or more water soluble curing agents, and water, wherein the composition is substantially isocyanate free, along with a method for coating a substrate using the water based 2K coating composition. Additionally, an epoxy coating composition containing a multifunctional aliphatic epoxy resin crosslinked with a di- or higher-functional curing agent, either of an acrylic resin or a modified cellulose acetate resin, and a carrier, wherein the epoxy coating composition is at least one of substantially isocyanate free, substantially formaldehyde free, or substantially bisphenol-A free, along with a method for coating a substrate with the epoxy coating composition.

To provide an incineration ash conveying cooling device capable of preventing incineration ash falling to an ash pit from being scattered while keeping a water content of the incineration ash low.SOLUTION: An incineration ash conveying cooling device 1 comprises: a conveying device 2 for conveying incineration ash to drop the same into an ash pit 6; a sensor 4 for detecting at least dropping timing of the incineration ash; a water sprinkling device 3 for sprinkling water on the incineration ash during dropping; and a control device 5 for allowing the water sprinkling device 3 to intermittently sprinkle water based on the dropping timing of the incineration ash.SELECTED DRAWING: Figure 1

The invention is applicable to the technical field of environmental engineering and groundwater remediation, and particularly relates to a method for remediating antibiotic-polluted groundwater based on a stabilized piezoelectric material, which comprises the following steps: preparing piezoelectric catalyst powder; preparing a piezoelectric catalytic fluid; determining groundwater remediation parameters through experimental simulation, wherein the groundwater remediation parameters comprise injection parameters and ultrasonic parameters; constructing a reaction area, and injecting the piezoelectric catalytic fluid into the polluted area based on the injection parameters; an ultrasonic generating device is arranged above the polluted area; and transmitting ultrasonic waves to the polluted area to finish groundwater remediation. On the premise that the stratum structure is not damaged, long-distance effective migration of the catalyst in the porous layer and precise construction of the in-situ permeable reaction area are achieved, the engineering problem that large-scale excavation or production halt treatment cannot be conducted in the pharmaceutical and chemical industrial park is solved, and harmony of underground water remediation and safe production of the park is achieved.

This application relates to the field of household appliance technology, specifically to a washing control method, system, computer device, and storage medium based on multi-source fusion sensing. The method includes: during the washing stage, determining washing state parameters of the clothes in the tub and water quality change parameters of the washing water based on acquired spatial detection signals and water quality detection signals, respectively; dynamically adjusting the washing control parameters of the washing equipment based on the washing state parameters and the water quality change parameters until washing is complete; during the rinsing or spin-drying stage, acquiring real-time operating parameters of the washing equipment's drive motor; if the real-time operating parameters meet preset operating conditions, switching to a first sensing mode and performing foam state evaluation based on drive load parameters; if the real-time operating parameters do not meet the preset operating conditions, switching to a second sensing mode to perform foam state evaluation based on the spatial detection signals; and controlling the washing equipment to perform rinsing actions based on the foam state evaluation results.

To provide a fuel cell system that can perform sufficient steam reforming even when using reforming water containing carbon dioxide. [Solution] The fuel cell system comprises a fuel cell 1, a fuel processing unit 2 that generates a hydrogen-containing fuel gas supplied to the fuel cell 1 by steam reforming, a reforming water storage unit 4 that stores water to be used as reforming water for steam reforming, a reforming water supply unit 5 that supplies the reforming water to the fuel processing unit 2, a recovered water recovery unit 6 that recovers water contained in the exhaust gas discharged from the fuel processing unit 2 as recovered water and supplies the recovered water to the reforming water storage unit 4 as reforming water, and a control unit C. The reforming water supply unit 5 has an adjustment mechanism that adjusts the flow rate of the reforming water flowing through the reforming water supply passage 51, and the control unit C calculates an estimated value of the carbon dioxide concentration in the reforming water based on temperature information related to the water as reforming water, and controls the adjustment mechanism based on the estimated value.

The application discloses a method and device for testing interfacial water in a Z direction with nanometer scale step by Raman spectrum, and the method comprises the following steps: providing a bottom plate and an upper substrate on the top surface of the bottom plate, modifying the top surface of the bottom plate and the bottom surface of the upper substrate according to the interfacial type of the interfacial water to be tested; the left edge surface of the top surface of the bottom plate is attached to the left edge surface of the bottom surface of the corresponding upper substrate, and a partition is arranged between the top surface of the bottom plate and the bottom surface of the corresponding upper substrate; the partition forms a gap with increasing height between the top surface of the bottom plate and the bottom surface of the upper substrate; the water solution to be tested is added in the gap, the step length of the horizontal movement of the laser Raman is set, the Raman spectrum at different distances in the Z direction is obtained by detection, and the interfacial water condition at different distances in the Z direction is obtained by analysis. The method successfully analyzes the change of the interfacial water structure at different distances in the Z direction with nanometer scale for the first time.

This invention discloses an intelligent control system for a fluid mixing fine cutter in pulp preparation, relating to the field of pulp preparation technology. The system includes a data acquisition module that collects and preprocesses concentration and differential pressure signals in real time; a blockage analysis module that calculates the fusion fluctuation coefficient and triggers discreteness and continuity detection to obtain the detection value; and a water injection module that determines whether to inject water based on the detection value. If water injection is needed, it repeats until no further injection is required; otherwise, it returns to the acquisition process or terminates the process. This invention simultaneously detects concentration dispersion and differential pressure continuity through the fusion fluctuation coefficient, proactively identifying signs of soft blockage. Based on the detection value, it automatically injects water intermittently, precisely diluting the pulp in the early stages of resistance increase, maintaining pulp flow stability, and preventing further blockage.

The invention belongs to the technical field of drinking water purification, and particularly relates to a device for removing PFAS and micro-plastics in drinking water based on micro-nano bubble jet droplet enrichment. According to the device disclosed by the invention, the PFAS and the micro-plastics are captured by utilizing rising bubbles according to the enrichment characteristics of the PFAS and the micro-plastics on a gas-liquid interface and are brought to the liquid surface to form jet drops, so that the PFAS and the micro-plastics are removed; the system specifically comprises: an inlet water pretreatment unit used for preliminarily adsorbing PFAS in a water body; the air supply regulation and control unit is used for generating a large number of micro-bubbles to rise; the core reaction unit comprises a cylindrical reaction kettle body provided with an aeration assembly; the aerosol trapping unit is used for sucking in jet drops generated by bubble breakage and condensing and separating the jet drops; the intelligent control cabinet is used for collecting sensor data in real time and regulating and controlling the running states of the pump and the draught fan. The device is compact in structure, stable in running, low in energy consumption and capable of efficiently removing PFAS and micro-plastic in drinking water.

A geared motor (1) is disclosed, which comprises an electric motor (2) and a gear- box (3) coupled to the electric motor (2), wherein the geared motor (1) additionally comprises a cooling system (23, 23a.23e), which contains a water based first coolant and an oil based second coolant. The cooling system (23, 23a.23e) com- prises a stator cooling system (24), a rotor cooling system (25), a gearbox cooling system (26), and a heat exchanger (27) for the first and the second coolant. More- over, the geared motor (1) comprises a temperature management unit (14, 14a.14h) with a first inlet (19, 19a.19d) for the first coolant and / or a sec- ond inlet (20) for the second coolant, which is designed to distribute a coolant flow (F, F') to the stator cooling system (24), the rotor cooling system (25), the gearbox cooling system (26) and the heat exchanger (27). Moreover, a vehi- cle (41) with such a geared motor (1) and a method of operating such a geared motor (1) are disclosed.

The utility model discloses a device for detecting impurity content in water based on light transmittance. The device comprises a flow passage component, a shell shading component, a light transmission detection component and a control development board, two ends of the flow passage component are connected with an external fluid inlet and outlet; a square glass tube is arranged in the middle of the flow passage component for light transmission; the shell shading component is mounted outside the flow passage component and is used for isolating interference of external light on the light transmission detection component; the light transmission detection component is mounted between the shell shading component and the flow passage component, emits light to the flow passage component, and transmits the detected light transmittance to the control development board at the same time; the control development board receives and judges a light transmittance signal of the light transmission detection component and then transmits a control signal to an external PLC to control the electrically operated valve and the water pump. The impurity content in the high-temperature and high-corrosion medium is detected in a non-contact detection mode, and the device is low in production and operation cost, convenient to use and high in stability.

This invention discloses a highly crystalline connector-functionalized hydrophilic covalent organic framework nanofiber, its preparation method, and its applications. The preparation method uses 1,3,5-tris(4-aminophenyl)triazine and functionalized terephthalaldehyde as monomer raw materials, ultrasonically dispersed in a mixed solvent of n-butanol and o-dichlorobenzene. Acetic acid solution is added at room temperature and pressure. The mixture is processed in a container with one cycle of vacuuming and ultrasonic dispersion, repeated five times, and finally the container is completely evacuated. The product catalyst is obtained through further thermal polymerization, washing, and drying. This method elucidates an optimized strategy for synthesizing functionalized connector hydrophilic COFs, achieving considerable yields, and is simple and easy to operate. The nanofibers synthesized by this method possess typical mesoporous structures, large specific surface areas, high hydrophilicity, and high crystallinity, exhibiting high catalytic activity. They can efficiently synthesize hydrogen peroxide under visible light and pure water conditions, thus showing broad application prospects in the field of photocatalytic hydrogen peroxide production.

The invention provides a circulating water intelligent dosing control system and device based on water quality working conditions, and relates to the technical field of intelligent dosing control. According to the method, the quantitative circulating water core regulation and control data quality is analyzed, whether a circulating water core regulation and control data fusion mechanism is started or not is decided on the basis of the analysis result, after the quantitative circulating water core regulation and control data quality is analyzed, water treatment agent suitability and adding accuracy are judged, and the water treatment agent suitability and adding accuracy are judged on the basis of the judgment result. Whether dynamic adjustment of water treatment agent adding parameters is started or not is decided, after evaluation of adaptability and adding accuracy of water treatment agents is finished, circulating water quality stability evaluation is carried out, and the problems that circulating water core regulation and control data association values and agent interaction rules are not subjected to targeted mining, agent adding control efficiency is attenuated, and efficiency is poor are solved. And the adaptation capability under complex working conditions is limited.

The invention relates to an uncertainty evaluation method for determining the silicate concentration in water based on a chemiluminescence method. The method comprises the following steps: S1, determining the silicate concentration based on the chemiluminescence method; s2, establishing a mathematical model for silicate measurement; and S3, based on the mathematical model of silicate measurement, determining synthesis relative uncertainty and expansion relative uncertainty. The main source of the measurement uncertainty of the silicate concentration in the water can be accurately determined, and control measures are taken aiming at the main source, so that the measurement precision of the silicate is further improved. Meanwhile, the method is verified through the Monte Carlo method, it is determined that the non-obvious nonlinear model used in the method is suitable for a first-order approximate uncertainty propagation law formula in the GUM method, and reference is provided for uncertainty evaluation of similar nonlinear models.

This invention discloses a device and method for controlling the release of endogenous phosphorus in water based on electron transfer. The device includes: a carbon-based electronic conductor, a current collector, a support frame, and a cover plate; the support frame is a hollow structure with openings at both ends; the cover plate is fixed to one end of the support frame, and the other end of the support frame is used to insert into water sediment for fixation; the cover plate has a central hole, one end of the carbon-based electronic conductor is fixed to the cover plate, and the other end passes through the central hole and is suspended inside the hollow structure; the current collector is disposed inside the hollow structure of the support frame and surrounds the carbon-based electronic conductor. This invention utilizes conductive materials as a medium, which can shorten the electron transfer distance, reduce electrode costs, and efficiently control endogenous phosphorus in water; it has the characteristics of simple operation, low investment cost, and high efficiency, and can also simultaneously achieve organic pollution removal and endogenous phosphorus fixation, and the organic pollution removal process can be monitored.

The utility model discloses a water-based ink impurity removal device, which belongs to the technical field of water-based ink processing, and comprises a support frame, a tank body is arranged on the support frame, one side of the tank body is connected with a water injection connecting pipe, the other side of the tank body is connected with a liquid discharge connecting pipe, a connecting piece is connected above the tank body, and the connecting piece is connected with the water injection connecting pipe. And the tank body is connected with an end cover through a connecting piece. According to the water-based ink impurity removal device, an inner filter cylinder is installed in an outer filter cylinder, then an end cover is screwed to enable a threaded part to be in threaded connection with a connecting part, so that the end cover is fixed to a tank body to complete assembly, a limiting plate makes contact with a ball in the screwing process, and a telescopic rod and a spring are gradually compressed along with downward movement till the telescopic rod cannot move; the inner filter cylinder is pressed and fixed through the limiting plate, the inner filter cylinder is prevented from moving during rotation, the inner filter cylinder can be taken out only by screwing and disassembling the end cover during disassembly, the operation is simple, and subsequent cleaning and maintenance by workers are facilitated.

The utility model discloses aspartic acid chlorotransferase determination reagent waste recovery equipment, which relates to the technical field of waste recovery, and comprises an extrusion cabin, a water filtering base is arranged at the bottom of the extrusion cabin, a feed opening is arranged at the top end of the front part of the extrusion cabin, bottom plates are arranged on two sides of the bottom of the extrusion cabin, and the feed opening is communicated with the extrusion cabin. And screw rods are arranged in the two bottom plates, sliding blocks are arranged on the outer surfaces of the two screw rods, and vertical shafts are arranged at the tops of the sliding blocks through notches. By arranging a series of structures, solid waste materials generated in the production process of an aspartic acid chlorotransferase determination reagent are extruded, so that liquid adsorbed in the waste materials is extruded out and discharged from the water filtering base, the utilization rate of raw materials is improved, the liquid adsorbed in the waste materials is evaporated into a gas state, and the production efficiency of the aspartic acid chlorotransferase determination reagent is improved. And then the wet gas is condensed through the cooling assembly of the U-shaped pipe, so that liquid molecules contained in the gas are recovered to be in a liquid state again to be collected, and the utilization rate of the raw materials is further increased.

To prevent drainage to a place overlapping a point where another vehicle has drained.SOLUTION: An onboard apparatus is mounted in a vehicle and includes a communication unit, positioning unit, and control unit. The communication unit can acquire first drainage position information representing one or more first drainage positions at which one or more vehicles other than the vehicle have drained. The positioning unit can acquire or generate current position information representing the current position of the vehicle, and the control unit determines a place far away from the one or more first drainage positions as a second drainage position, at which the vehicle drains, on the basis of the first drainage position information and current position information. The control unit can transmit the second drainage position information, which represents a second drainage position, to outside of the vehicle via the communication unit.SELECTED DRAWING: Figure 2