219 results about "Dosing units" patented technology

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 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 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 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.

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.

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.

The utility model discloses an integrated operation device for farmland soil remediation, which relates to the field of soil remediation and comprises a moving seat, a weeding unit, a soil loosening unit and a dosing unit are arranged in the moving seat, the weeding unit is arranged on one side of the moving seat, the soil loosening unit is arranged in the middle of the moving seat, and the dosing unit is arranged on the other side of the moving seat; the chemical adding unit comprises a chemical bin, the chemical bin is fixedly arranged at the top of the movable seat, at least one chemical adding opening is formed in the top of the chemical bin, a mixer is arranged on the chemical bin, a plurality of chemical spraying heads are arranged at the bottom of the chemical bin, and the liquid outlet direction of the chemical spraying heads inclines downwards to face the soil loosening unit; the cultivated land soil remediation device can integrate the functions of weeding, soil loosening and pesticide spraying, and the efficient, low-cost and high-quality soil remediation process is achieved.

A control system (13) for a scarification and recycling assembly (1) for the restoration of a road pavement (P), comprises: a dosing unit (15), adapted to adjust an amount of a regenerating fluid to be dispensed through a regenerating fluid dispensing device (40) of the scarification and recycling assembly (1), the regenerating fluid being adapted to allow the cohesion between granules of milled conglomerate material (C) to be recompacted in order to allow the restoration of the road pavement (P ); and an electronic control unit (17) configured to receive a signal representative of the advancement speed of the scarification and recycling assembly (1) along the advancement path on the working surface (S) of the road pavement (P ) and to control the dosing unit (15) so as to adjust the amount of regenerating fluid to be dispensed as a function of said advancement speed and as a function of data relating to the physical features of the regenerating fluid to be dispensed.

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 utility model provides a quantitative oil distributor of a lubricating system. The quantitative oil distributor of the lubricating system comprises a distribution box, the quantifying assembly comprises a quantifying cylinder arranged at the bottom of the distribution box, an adjusting plug capable of sliding up and down in the height direction of the quantifying cylinder is arranged on the inner wall of the quantifying cylinder, and a sealing ring is arranged on the circumferential side face of the adjusting plug and located on the inner wall of the quantifying cylinder. According to the quantitative oil distributor of the lubricating system, the bottom of the quantitative oil distributor moves downwards or upwards by rotating the screw rod, then the connecting rod and the adjusting plug are driven to move upwards or downwards, the adjusting plug is located at different height positions of the quantitative cylinders, the amount of lubricating oil in the single quantitative cylinder is adjusted, and through the arrangement of the filter screen, the quantitative oil distribution efficiency is improved. Impurities or scraps in lubricating oil can be filtered, the impurities are prevented from entering lubricating points along with the lubricating oil, the structure is simple and practical, distribution and adjustment of the lubricating oil are convenient, meanwhile, the circulating lubricating oil can be filtered, and the lubricating effect is improved.

The invention belongs to the technical field of treatment of a mixture of antimony-containing mine well water and domestic sewage, and particularly discloses an artificial wetland system for nitrogen removal and antimony removal synchronously through iron-carbon micro-electrolysis induced anaerobic ammonium oxidation bacteria enrichment and an operation method of the artificial wetland system. The method is used for solving the problems that the current iron-carbon micro-electrolysis technology is lack of deep fusion with an artificial wetland system, and synchronous nitrogen and antimony removal and functional bacteria coordinated regulation and control are not realized. The constructed wetland system comprises a water inlet unit, a reaction unit, a circulating reflux unit, a dosing unit, an intelligent control unit and a water outlet unit; wherein the reaction unit comprises an iron-carbon micro-electrolysis module embedded in the reaction unit and acorus calamus planted on the upper surface layer of the reaction unit, the iron-carbon micro-electrolysis module comprises an outer ring area, a central area and a conductive carbon fiber net, the outer ring area is filled with iron-based filler, the central area is filled with activated carbon, and the space between the outer ring area and the central area is filled with zeolite filler and limestone. According to the invention, efficient synergistic removal of pollutants and rapid enrichment of functional bacteria can be realized, and the system operation stability is high.

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.