310 results about "Dosing units" patented technology

The invention discloses an oxidation leaching system and method for argillaceous sandstone uranium ore. The system comprises a uranium leaching pool, a recovery pool, a liquid preparation-dosing unit pool and an intermediate pool. Wherein the uranium leaching tank is provided with a water dispersing layer, a uranium ore layer and a liquid collecting layer from top to bottom, and efficient oxidation of uranium ore is achieved through coupling of oxygen and ferric iron; the recovery pool is sequentially provided with a resin adsorption layer and a water inlet layer from top to bottom, and efficient recovery of uranium in the leachate is achieved; the liquid preparation-dosing unit pool is provided with an acid-resistant submersible sewage pump used for circularly conveying the ore leaching liquid to the uranium leaching pool and adjusting the pH value of the ore leaching liquid and the initial concentration of Fe < 3 + >. And the middle tank drives the ore leaching liquid to form periodic tidal flow circulation in the uranium leaching tank through an acid-resistant submersible sewage pump. According to the system and the method, tidal flow regulation and control, aeration oxygen supply enhancement and iron ion circulation oxidation technologies are coupled, and the uranium leaching rate gt of the argillaceous sandstone uranium ore is achieved by establishing a multi-stage oxidation field domain, optimizing a fluid migration path and establishing an iron element regeneration mechanism; 92%.

The utility model provides a softening and hardness-removing device system for high-salinity wastewater. The device system comprises a reaction unit, a dosing unit and a central control unit, the reaction unit comprises a water inlet pipeline, a precipitation reactor and a water outlet pipeline which are connected in sequence; the water inlet pipeline is provided with a first detection module, the precipitation reactor comprises a plurality of purification monomers, each purification monomer is provided with a second detection module, the water outlet pipeline is provided with a third detection module, and the first detection module, the second detection module and the third detection module are used for detecting the quality of wastewater; the chemical adding unit is used for providing chemicals for the purification monomers; the central control unit is electrically connected with the first detection module, the second detection module, the third detection module and the dosing unit respectively. According to the high-salinity wastewater softening and hardness removing device, efficient and convenient softening and hardness removing of high-salinity wastewater are realized through accurate dosing control.

The utility model discloses a treatment device capable of accelerating starting of autotrophic denitrification of pyrite, and belongs to the technical field of sewage treatment. The Fe < 3 + > dosing unit comprises a Fe < 3 + > dosing tank (4) and a dosing pump (6); according to the water inlet unit, an aeration head (2) is arranged in a raw water tank (3), the aeration head (2) is connected with a nitrogen cylinder (1) through a valve, filler filled in the reactor is modified pyrite filler particles and modified ceramsite, the bottom of the reactor is connected with an aeration pump, and a Fe < 3 + > dosing tank (4) is connected with a water inlet (7) in the bottom of the reactor (13) through a dosing pump (6). The method comprises the following steps: aerating sludge, standing, discharging water, and adding ferric iron into the water subjected to nitrogen aeration treatment to carry out accelerated reaction. By adopting the technology of the utility model, the starting can be quickly carried out for more than 10 days.

The invention discloses a post-electroplating wastewater treatment system and treatment method with graded recovery, and relates to the technical field of electroplating wastewater treatment.The post-electroplating wastewater treatment system comprises a recovery cylinder, a primary separation unit, a chemical adding unit, a final-stage separation unit and a driving unit, and the recovery cylinder is used for mounting and fixing the primary separation unit, the chemical adding unit, the final-stage separation unit and the driving unit; the primary separation unit is used for separating greasy dirt and precipitated impurities, the chemical adding unit is used for separating suspended solids, the final-stage separation unit is used for separating organic matters and cleaning the inner wall, and when sewage enters the recycling barrel, the driving unit is used for controlling the primary separation unit to separate and recycle the greasy dirt and the precipitated impurities, and the chemical adding unit is used for recycling the suspended solids; organic matter separation and inner wall cleaning are carried out through the final-stage separation unit, and the influence on the separation and recovery efficiency is avoided.

The invention discloses an automatic ammonia preparation device for adding ammonia water into condensed water at multiple points, and belongs to the technical field of industrial water treatment. Comprising an ammonia preparation unit, a multi-path adding unit and a control unit, the ammonia preparation unit comprises an ammonia water storage tank, a desalted water tank, a mixing and diluting tank, a first metering pump, a second metering pump and an online conductivity meter; the ammonia preparation unit is used for mixing ammonia water and desalted water in proportion; the multi-path adding unit comprises a main distribution pipeline and at least three parallel adding branches, each adding branch is communicated with a regulating valve, a flow meter and a static mixer, and the multi-path adding unit is used for adding mixed ammonia water to a plurality of adding points of the condensed water system; the control unit comprises a PLC (Programmable Logic Controller) and a pH sensor, the pH sensor is used for monitoring the pH value of condensed water at each feeding point, the PLC is in signal connection with the pH sensor, the online conductivity meter, the regulating valve and the flow meter, and the control unit is used for realizing dynamic flow distribution.

The invention relates to a plant for the generation of negative emissions of CO2 and decarbonised hydroxide. The plant comprises a gasifier (1), a heat exchanger (3), an indirect calciner (10), a contactor (20), a pH corrector (30), a hydroxide production unit (60) and a hydroxide dosing unit (40). The gasifier (1) receives high-temperature fuel (12) and steam (32) and releases syngas (11). The exchanger (3) receives high-temperature flue gas (170) from the calciner (10) and low-temperature steam (612) from the hydroxide production unit (60) and releases low-temperature flue gas (171) containing CO2 and high-temperature steam (32). The calciner (10) receives carbonate (110), syngas (11) and oxygen (160) and releases oxide (130) and high-temperature flue gas (170). The contactor (20) reacts water with the CO2 of the low-temperature flue gas (171) and releases acidic water (230). The pH corrector (30) reacts the acidic water (230) with the hydroxide (640) and releases buffered acidic water (240). The hydroxide production unit (60) reacts the oxide (130) with water (610) and releases hydroxide (630) and low-temperature steam (612). The hydroxide dosing device (40) doses hydroxide (640) for pH correction and decarbonised hydroxide (450) for other uses. The invention also relates to a method for the generation of negative emissions of CO2 and decarbonised hydroxide emissions.

The wastewater treatment system comprises a water inlet unit, a reactor, a separation unit and a circulation unit which are sequentially connected to form a closed-loop system, the water inlet unit is further connected with a chemical dosing unit, the water inlet unit is used for conveying wastewater to the reactor, and the chemical dosing unit is used for adding alkali into the wastewater to adjust the pH value and providing required magnesium ions; a fluidization reaction zone and a separation zone are arranged in the reactor, and the fluidization reaction zone promotes generation and growth of struvite particles through particle collision and aggregation; the separation zone enables generated particles to partially fall back to the fluidization reaction zone for continuous reaction through preliminary solid-liquid separation; the separation unit is used for receiving the wastewater in the separation area, further removing residual particles, and enabling the small particles to flow back to the reactor through the circulation unit for recycling. By optimizing the particle generation, separation and backflow processes in wastewater treatment, the formation of target large particles is promoted, the resource recycling is facilitated, meanwhile, the consumption of chemical agents is reduced, and the cost is reduced.

A system for softening high-salinity water via self-induced calcium bicarbonate crystallization in a fluidized bed, including a fluidized bed-based crystallization-softening reaction unit, a water feeding unit, a dosing unit and a regulation unit. The fluidized bed-based crystallization-softening reaction unit is configured to induce a crystallization reaction to soften high-salinity water. The water feeding unit is configured to supply high-salinity water to the fluidized bed-based crystallization-softening reaction unit. The dosing unit is configured to supply a pH regulating agent to the fluidized bed-based crystallization-softening reaction unit. The regulation unit is configured to perform reflux replenishment for the fluidized bed-based crystallization-softening reaction unit and recover escaping crystals. A high-salinity water softening method using such system is also provided.

The invention discloses a sewage treatment device with a flow adjustable function, and relates to the technical field of sewage treatment.The sewage treatment device comprises a treatment cylinder, an adjusting unit, a chemical adding unit, a stirring unit and a cleaning and filtering unit, and the treatment cylinder is used for installing and fixing the adjusting unit, the chemical adding unit, the stirring unit and the cleaning and filtering unit; the adjusting unit is used for adjusting the flow of sewage, the dosing unit is used for feeding a flocculating agent, the stirring unit is used for fully mixing the sewage and the flocculating agent, and the cleaning and filtering unit is used for filtering the sewage and treating impurities. A flocculating agent is self-adaptively fed according to sewage quantity through the dosing unit, sewage is fully stirred by matching with the stirring unit and is fully reacted and settled with the flocculating agent, and finally, impurities are treated and the sewage is filtered through the self-cleaning filtering unit, so that the sewage treatment efficiency is improved.

The utility model discloses a wastewater pretreatment device for an MVR (Mechanical Vapor Recompression) evaporator. The wastewater pretreatment device comprises a hardness removal reaction unit, a wastewater collection unit, a dosing unit and a treating fluid transfer unit, the hardness removal reaction unit comprises a reaction tank and a sediment solid discharge port formed in the bottom of the reaction tank; the wastewater collecting unit comprises a wastewater collecting barrel and a first lifting pump which is arranged on the wastewater collecting barrel and is used for sucking wastewater into the reaction tank; the dosing unit comprises a liquid medicine barrel and a dosing pump used for sucking liquid medicine in the liquid medicine barrel into the reaction tank, and the main chemical component of the liquid medicine is one of Na2CO3, NaHCO3 or H2CO3; the treatment liquid transfer unit comprises a treatment liquid transfer barrel and a second lifting pump for sucking the wastewater without hardness in the reaction tank into the treatment liquid transfer barrel. According to the device disclosed by the utility model, calcium and magnesium ions in the wastewater are separated out in a crystal form by adding the carbonic acid soluble salt; and part of crystalline salt remaining in the waste liquid is filtered and removed by the filter for the second time, so that a series of problems caused by scaling of the evaporator are solved.

The utility model discloses a sludge low-temperature acidolysis device which comprises a dosing unit and a PLC (programmable logic controller), a reaction unit is arranged on one side of the dosing unit, a double-pipe heat exchanger is arranged on one side of the reaction unit, and a storage unit is arranged on one side of the double-pipe heat exchanger. Sulfuric acid can be added into sludge in the hydrolysis tank through the medicine storage tank and the electromagnetic flow pump, so that the sulfuric acid reacts with the sludge, the pH value of the sludge is reduced to 5, hydrolysis of organic molecules in the sludge and dissolution of cell membranes are promoted, bound water in cells can be released to become free water easy to remove, and the sludge can be recycled. The sludge dewatering performance is effectively improved, meanwhile, by controlling the temperature in the hydrolysis tank, some side reactions generated by high-temperature reactions can be effectively avoided, needed heating energy is correspondingly reduced, consumption is greatly reduced, the sludge can be cooled through the double-pipe heat exchanger, later treatment is facilitated, and the sludge dewatering efficiency is improved. Meanwhile, the storage unit can be used for well storing the acidolysis sludge, so that later sludge dewatering operation is facilitated.

The invention belongs to the technical field of wastewater treatment, and particularly relates to an intelligent dosing system and method for hardness and alkali removal wastewater. The monitoring unit is used for monitoring calcium hardness, magnesium hardness and alkalinity of inlet water and outlet water and monitoring the pH value in a reaction tank 1; the control system is in communication connection with the monitoring unit, receives the monitoring data, and is used for selecting a dosing mode according to the calcium hardness, magnesium hardness and alkalinity data of the inlet water, calculating the dosing amount and feeding back and adjusting the dosing and pH value according to the monitoring data of the outlet water; the chemical adding unit comprises a lime chemical adding device, a sodium hydroxide chemical adding device and a sodium carbonate chemical adding device which are respectively connected with the control system, and corresponding chemicals are added according to instructions of the control system; the treatment unit sequentially comprises a coagulation tank, a reaction tank 1, a reaction tank 2, a flocculation tank and a sedimentation tank. According to the invention, through automatic intelligent dosing, the purpose of removing alkalinity and hardness in water at the lowest cost is achieved.

The utility model provides a stainless steel wastewater treatment system which comprises a pretreatment unit which comprises a high-density sedimentation tank device and a first filtering device which are sequentially connected in series through a pipeline; the deep treatment unit is communicated with the pretreatment unit through a pipeline, and the deep treatment unit comprises an ultrafiltration device and a first reverse osmosis device which are sequentially connected in series through a pipeline; the sludge treatment unit is communicated with the high-density sedimentation tank device through a pipeline; the dosing unit is respectively connected with the high-density sedimentation tank device, the ultrafiltration device, the first reverse osmosis device and the sludge treatment unit. According to the utility model, most impurities and pollutants in the wastewater can be effectively removed, the treated water quality can stably reach the standard, the treatment efficiency is high, the operation cost is low, and the requirements of environmental protection and reuse of reclaimed water can be met.

The invention relates to the technical field of wastewater treatment, in particular to a micro-plastic removal and recovery method and system based on magnetic adsorption-dissociation. The method comprises the following steps: S1, magnetic adsorption agglomeration; S2, magnetic separation; and S3, dissociation and recovery. The system comprises a raw water tank, a magnetic seed adding unit internally provided with a magnetic seed storage tank, a mixing reactor, a magnetic separator, a dissociation regeneration tank and a secondary magnetic separator which are connected in sequence, the method disclosed by the invention has high-efficiency removal capability on micro-plastics under different water quality conditions, regeneration cycle performance of magnetic seeds and adaptability and stability to complex water bodies, and the technology has remarkable advantages in the aspects of deep removal of the micro-plastics and resource recovery.

The invention discloses a regulation and control system for anaerobic digestion and a magnetic charcoal preparation method thereof, which effectively achieve the purposes of increasing methane yield and reducing system energy consumption, and comprises: an anaerobic fermentation unit, which is provided with an aeration device and a heat exchanger; the micro-nano bubble generation unit is connected with the aeration device through a pipeline and comprises a switchable gas source for providing at least one of H2, N2 and CO2; the bubble generation assembly adopts a composite structure of a microporous membrane and a Venturi tube; the magnetic charcoal adding unit is connected with the anaerobic fermentation unit through a sealing pipeline and comprises a storage tank and a screw feeder; the intelligent control unit comprises a sensor array and an executing mechanism, the structure is novel, the conception is ingenious, operation is easy and convenient, the effects of accurately controlling the particle size of bubbles and maintaining the interface potential are effectively achieved, and the effect of intelligently switching gas components and the charcoal adding amount is achieved.

The utility model provides an intelligent super-efficiency magnetic disk underground in-situ turbidity removal system, and aims to solve the technical problems of high medicament consumption and energy consumption caused by the fact that the medicament adding amount of existing mine water underground treatment equipment needs to be manually controlled. The system comprises a mine water pretreatment unit, a magnetic coagulation unit, a magnetic disk separation unit, a magnetic recovery unit and a dosing unit which are connected through pipelines, the chemical adding unit comprises a controller, and a water inlet flow meter, a water inlet quality monitor, a water outlet quality monitor, an image acquisition instrument and a chemical adding pump which are respectively in communication connection with the controller; the controller is used for controlling the adding amount of the medicament adding pump according to the measured water inlet flow value, the measured SS value and COD value of the inlet water, the measured SS value and COD value of the outlet water and the measured alumen ustum image of the outlet water. According to the system disclosed by the utility model, underground in-situ treatment of the mine water is realized, an intelligent dosing system is adopted, and when the treatment scale is 2000-30000 m / d, the medicament consumption is saved by more than 20%, and the energy consumption is saved by more than 69%.

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%.

A dispensing unit (100) for automatically dispensing detergent tablets (102) for use in an automatic dispensing system (20) of an aqueous household appliance (1), the dispensing unit (100) comprising a storage magazine (110) for storing a plurality of detergent tablets (102) and a dispensing device (120) for releasing a respective one of the detergent tablets (102), wherein the storage magazine (110) comprises a tubular portion (112) for storing the plurality of detergent tablets (102) in a line one after the other.

A device for dosing solid and / or liquid substances includes a container to hold solid and / or liquid substances in an interior space of the container. The container has at least one side wall, at least one base wall, and at least one outlet opening. The device also includes a dosing unit to dose solid and / or liquid substances contained in the container from the outlet opening, and a sensor arranged in the exterior space to detect electromagnetic radiation. The sensor is located in a region above the base wall and opposite a transparent part of the side wall. The device is configured to enable an empty signal from the device's container to be detected more reliably and a drink to be completely dosed, even upon receiving an empty signal. A beverage maker and a method are additionally provided.

The invention relates to a metering device (12) for introducing a fluidic secondary mass flow (13) into a fluidic primary mass flow (14), - with a flow channel (15) through which the primary mass flow (14) can flow, - with a dosing unit (18) through which the secondary mass flow (13) can flow, which has a secondary inlet (19) arranged outside the flow channel (15) through which the secondary mass flow (13) can flow into the dosing unit (18), and a secondary outlet (20) arranged inside the flow channel (15) through which the secondary mass flow (13) can flow out of the dosing unit (18) and into the flow channel (15). A compact design can be achieved by - that the dosing unit (18) has a dosing body (22) arranged in the flow channel (15), which has a plurality of passage openings (23) through which the primary mass flow (14) can flow in parallel and a plurality of outlet openings (24) through which the secondary mass flow (13) can flow in parallel, each of which is arranged at one of the passage openings (23), and - that the dosing body (22) is hollow, is fluidically connected to the secondary inlet (19) and fluidically connects the secondary inlet (19) to the outlet openings (24).

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.

A method and apparatus (10) for treating a hydraulic fluid (6) is disclosed. The method has the following steps: detecting (1) a state and exceeding (2) a warning threshold for the state, and replenishing (3) the hydraulic fluid (6) with the additive to be replenished. The device comprises: a sensor device (7) which is designed and designed to detect (1) a state; and a dosing unit (8) which is designed and set up to replenish (3) the additive to be replenished to the hydraulic fluid (6) when a warning threshold value (2) for the state is exceeded.

The invention relates to an efficient slurry grading, concentrating and conditioning device and system. The device comprises a slurry grading unit, a slurry conditioning unit, a monitoring unit, a dosing unit and a control unit, the control unit calculates and processes the load and dynamically adjusts the flow of the dosing pump by collecting the flow, concentration and pressure data of the slurry before and after grading in real time, and triggers an alarm and reduces the slurry inlet flow when the pressure exceeds a threshold value; the system comprises a data acquisition module, a processing load calculation module, a dosing control module, a pressure protection module and an information processing module, and multi-parameter monitoring and equipment state dynamic adjustment are achieved. The device has the advantages that the medicament consumption is reduced through graded accurate dosing, mixing is enhanced, the precipitation efficiency is improved, stable operation of the device is guaranteed through pressure protection, and the problems of large medicament dosage, low precipitation efficiency, unstable conditioning effect and the like in traditional full-particle-size mixing conditioning are effectively solved.

Plant-based chewing matrix, in particular in the form of strips, pellets, slabs, bars, multi-layered structures or dimensionally stable dosing units, characterized in that it is made from fully hydrated whole grain with a water content of at least 25%, wherein the matrix forms an elastically deformable, cohesive, homogenized and physiologically stable structure through mechanical structural compaction and optionally thermal treatment, which is completely edible and has a defined chewing duration.

The invention 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 present invention relates to a distribution system for an agricultural implement for conveying at least two components in the form of granular solids to at least one dispensing unit, comprising a pneumatic conveying system with at least one first conveying air line, wherein at least two metering units are provided, each of which is associated with at least one storage container for granular solids, the first metering unit being fluid-permeable to at least the first conveying air line. According to the invention, the first conveying air line has at least one first mixing device, wherein the second metering unit is fluid-permeable to the first mixing device via at least one connecting line, in particular a detachable connection.

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.;

The invention discloses a preparation device and method of reactive plastic, and belongs to the technical field of chemical equipment. The device comprises a first dosing device, a second dosing device, and a mixing device in communication with the first dosing device and the second dosing device. The first dosing device comprises a first total dosing unit for storing a first reactive component; a first sub-dosing unit in communication with the first total dosing unit and the mixing device; the second sub-rationing unit is communicated with the first total rationing unit and the mixing device and is used for receiving the first reactive component and the color paste and forming a first sub-reactive component; and the third sub-distribution unit is communicated with the first total distribution unit and the mixing device and is used for receiving the first reactive component and the metal powder and forming a second sub-reactive component. By means of the device, the reactive plastic with the pigment and / or the metal powder can be selectively prepared, and the batching and mixing operation difficulty of the reactive plastic is reduced.

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.