12results about How to "Avoid overdosing" patented technology

This invention provides an integrated device for controlling microbial contamination in seawater desalination, comprising a base, a high-pressure pump mounted on the left side of the base, an online flow cytometer system mounted on the base, and an RO membrane holder mounted on the right side of the base. The base facilitates the installation of the dosing mechanism, diaphragm pump, and online flow cytometer system. The high-pressure pump pressurizes and delivers seawater for subsequent desalination via the RO membrane. The online flow cytometer system monitors the microorganisms in the seawater delivered by the high-pressure pump and simultaneously controls the diaphragm pump to deliver the bactericide from the dosing mechanism upstream of the cartridge filter, sterilizing the seawater entering the RO membrane and thus extending the cleaning cycle and lifespan of the RO membrane.

The utility model relates to the technical field of circulating devices, and discloses a filter pressing gypsum wastewater circulating device which comprises a reaction tank, a bearing plate and a storage box, the bearing plate is fixedly connected to the top of one end of the reaction tank, and the storage box is provided with a flocculation bin and a scale inhibitor bin in a penetrating mode from the top. The top of the storage box is connected with a plurality of magnetic suction flip covers through hinges, and the plurality of magnetic suction flip covers are connected to the top of the flocculation bin and the top of the scale inhibitor bin through magnetic suction. And the rotor rotates to quantitatively add the medicament into the reaction tank from the bottom of the bin through the blanking pipe and the blanking port. The feeding amount of the rotary feeder is controlled by adjusting the rotating speed, uniform conveying of chemicals is guaranteed through gaps between blades and pipe grooves of the rotary feeder, a discharging channel can be cut off at any time through cooperation of a magnetic suction gate and a hydraulic rod, excessive feeding is avoided, and the feeding amount of the chemicals can be accurately adjusted by controlling the rotating speed of the rotary feeder.

The utility model discloses drilling rod cleaning wastewater treatment equipment, which relates to the technical field of wastewater treatment and comprises a bottom plate, a plurality of upright posts are fixedly connected to the outer wall of the top of the bottom plate, a wastewater tank is fixedly connected to the outer walls of the tops of the upright posts, and a magnetic seed pipe is fixedly connected to the inner wall of the wastewater tank. The hydrocyclone and the filter plate are connected in series, the magnetic separator is started while wastewater is conveyed, then the magnetic separator adsorbs and removes solid-phase particles through magnetic force when the wastewater passes through the magnetic separator, the removal rate can reach more than 95%, meanwhile, the solid-phase particles can stay in the collection box, and the solid-phase particles cannot be separated from the collection box. Then, the wastewater with solid-phase particles removed is continuously discharged into the serial hydrocyclone, and then the oil-water-solid three-phase separation of the wastewater is realized by the serial hydrocyclone, so that the filtering effect is improved, the oil and the solid particles in the wastewater can be effectively separated, the wastewater is prevented from containing a large amount of oil and solid particles, and the wastewater reaches the recycling standard.

The utility model discloses a river and lake water turbidity descending system based on flocculation and hydrocyclone separation. The river and lake water turbidity descending system comprises a treatment pond and a stirring assembly, a groove is formed in the rear side of the interior of the treatment pond, a turbidity sensor is mounted in the groove, a water outlet is formed in the right side of the treatment pond, a water outlet pipe is fixed in the water outlet, the right end of the water outlet pipe is fixed in a water inlet of a transfer pump, and a cyclone separator is arranged at the right end of the transfer pump; a water outlet pipeline of the transfer pump is connected with a water inlet of the cyclone separator, a drum screen is arranged at the right end of the cyclone separator, a mud outlet pipeline of the cyclone separator is connected with a feeding port of the drum screen, a soil collecting pit is arranged at the right end of the drum screen, a discharging pipeline of the drum screen is connected with a feeding port of the soil collecting pit, and a discharging pipeline of the drum screen is connected with a discharging port of the soil collecting pit. Uneven floc growth is avoided, and excessive addition of a flocculating agent can be avoided.

This invention discloses a modular cascaded coupled multi-stage treatment system and method for mine wastewater, belonging to the field of environmental water treatment technology. It includes a filtration module filled with filter media for particle removal; an adsorption module filled with composite adsorption media for adsorbing heavy metal and organic pollutants; a reaction module filled with slow-release reaction media for removing heavy metal ions from wastewater through sulfide precipitation and reduction reactions; and a sedimentation module to slow down the reaction time and cause the water flow to reverse vertically. This invention achieves multi-stage synergistic removal of suspended solids, organic matter, and heavy metals from mine wastewater through a combination of sand, fly ash ceramsite, and heavy metal treatment agents; it relies on gravity flow due to the natural slope of the mine shaft for gravity-based operation; its modular design allows for flexible series connection to adapt to different pollution levels; and the semi-open tank facilitates media replacement, with heavy metals solidified in the reaction module, resulting in minimal secondary pollution.

The utility model provides a feeding device for an injection molding machine, and relates to the technical field of injection molding machines, the feeding device comprises a mounting part, the mounting part comprises a fixed cylinder, the fixed cylinder is used as a basic mounting carrier of the device and is used for fixing and supporting other parts, and a plurality of supporting legs are fixed on the bottom surface of the fixed cylinder. According to the feeding device for the injection molding machine, materials stored in the storage hopper can flow into the quantitative barrel through the communicating box, when the charging barrel of the injection molding machine needs to be fed, the quantitative barrel and the feeding opening are pushed by the electric push rod to move in the fixed barrel, and then the bottom of the quantitative barrel gradually gets close to the discharging hopper; when the bottom of the communicating box is sealed by the material control plate, the bottom of the quantitative barrel and the discharging hopper are in a communicating state, and the materials in the quantitative barrel flow out through the discharging hopper, so that quantitative discharging is realized, the materials in the charging barrel of the injection molding machine reach a set volume, and excessive or insufficient charging is avoided.

The invention discloses a reaction kettle for controlling reduced gold based on potential feedback, and belongs to the technical field of intelligent control of precious metal recovery, the reaction kettle comprises a kettle body, a kettle cover is arranged at the top of the kettle body, a rack is arranged at the top of the kettle cover, a three-phase motor is arranged on the rack, a stirring shaft is arranged in the kettle body, and the top of the stirring shaft is in transmission connection with the three-phase motor; the reaction kettle further comprises a thermometer and a potential pH sensor, the kettle cover is further provided with a monitoring port, the monitoring port is provided with a telescopic mounting bracket, the thermometer and the potential pH sensor are fixed at the monitoring port through the telescopic mounting bracket, and the thermometer and the potential pH sensor extend into the kettle body; the reaction kettle has high selectivity and high recovery rate, efficient selective reduction of gold is achieved through cooperative coupling of chaotic stirring, real-time potential feedback and MPC dynamic control, coprecipitation of impurity metal sulfide is greatly inhibited, wrapping loss of gold is avoided, and the reaction kettle is suitable for industrial production. And the gold recovery rate and the gold powder purity are high.

The application discloses an open-pit to underground mine full-tailings consolidation backfill system and method, and relates to the field of deep mineral resource development and industrial automation control. The system is constructed based on a distributed control architecture, and integrates a full-process intelligent sensing subsystem, a multi-modal adaptive decision subsystem and a high-precision execution feedback subsystem. The method adopts a four-dimensional dynamic control strategy of "sensing-prediction-regulation-correction", and realizes real-time collection of slurry rheological and equipment state parameters through a multi-source heterogeneous sensor. A feedforward compensation combined with a feedback correction algorithm is used to realize time-space synchronous precise proportioning of cementing materials. Adaptive variable-frequency stirring from high-shear dispersion to laminar homogenization is executed based on non-Newtonian fluid characteristics. And multi-stage dynamic adjustment of vacuum dewatering is realized through a gas-liquid-solid three-phase coupling model. The application effectively solves the problems of parameter curing, large quality fluctuation and high energy consumption of the traditional backfill process, and significantly improves the strength consistency of the backfill body and the operation economy of the system.

The application discloses an anaerobic system nutrient salt adding method based on AI intelligent control, relates to the technical field of industrial wastewater biological treatment, and comprises the following steps: collecting real-time water quality time sequence data and laboratory biochemical true value data, and constructing a multi-modal input vector; inputting an LSTM-Attention model to generate an anaerobic bacteria specific growth rate prediction value and a dynamic dosing weight coefficient; based on the weight coefficient, a double-loop control strategy is executed, the total dosing amount target is optimized in the outer loop, and the instantaneous dosing flow instruction is calculated in the inner loop; the instruction is sent to adjust the dosing amount, and the true value deviation value is calculated; when the deviation value exceeds the threshold value, sensor calibration and model incremental training update are executed. The application solves the problems of blindness in addition and system instability caused by the mismatch between the long lag of the traditional control mode and the fast fluctuation of the water hydraulic load.

The application discloses a short-process aluminum template production process and equipment, which comprises the following steps: a smelting furnace, a flow channel system, a filter box, a casting nozzle device, a rolling mill system, a continuous roll bending device and a traction device; step 1, the smelting furnace is used for melting and refining aluminum raw materials to form stable aluminum liquid for the next process; step 2, the flow channel system is used for heat preservation and conveying of the aluminum liquid discharged from the smelting furnace to the next process, and the temperature of the flow channel system is stabilized at 700±10 DEG C; the driving assembly arranged in the application can drive the furnace pot to continuously and intermittently reverse during work, so that the whole furnace pot can be uniformly heated, and the situation of local overheating is avoided; the air charging assembly arranged in the application can continuously press air into the interior of the furnace body during work, so that the combustion efficiency of the furnace fire can be effectively improved; and the travel switch arranged in the application can control the feeding amount during use, so that the situation of excessive feeding during feeding is avoided.

The invention provides a chiral carbon nanotube-iron cobalt prussian blue analogue-gold composite material as well as a preparation method and application thereof, and belongs to the technical field of carbon nanomaterials. According to the invention, a right-handed chiral carbon nanotube is used as a conductive substrate, Au nanoparticles are loaded on the surface of an iron-cobalt Prussian blue analogue through a reduction method to form a ternary composite material, and then the ternary composite material is loaded on the surface of the right-handed chiral carbon nanotube through a stirring method to subsequently construct a signal amplification unit; and by taking the carboxylated right-handed chiral carbon nanotube as an electrode carrier, fixing an amino-modified DNA probe through an amido bond, and constructing an unmarked electrochemical detection platform. Compared with a traditional method, the method has the advantages that the reaction condition is mild, the cost is low, the yield is high, and the prepared composite material has the advantages of high specific surface area, high conductivity, high catalytic activity, high stability and the like, can be directly used for blood sample detection and is suitable for early screening, bedside diagnosis and prognosis evaluation of various malignant tumors.

The utility model discloses an integrated continuous flow Fenton reaction device. Comprising a first pH adjusting tank, a reaction tank, a second pH adjusting tank, a flocculation tank and a sedimentation tank which are sequentially communicated and are of an integrated structure; the right upper part of the first pH regulating tank is connected to the reaction tank through an overflow port; the bottom of the reaction tank is connected to a second pH regulating tank through a pipeline; a water outlet in the upper part of the second pH regulating tank is connected to the flocculation tank; the top and the bottom of the flocculation basin are connected to the sedimentation basin through a pipeline; a sludge discharge port and a clear water discharge port are formed in the bottom of the sedimentation tank, and clear water at the upper part is discharged through an overflow weir; drain valves are arranged at the bottoms of the first pH regulating tank and the reaction tank and are used for emptying residual liquid during cleaning. According to the utility model, efficient cooperation of Fenton reaction and flocculation precipitation is realized through a multi-stage continuous flow design, and the problem of low efficiency of traditional intermittent treatment is solved.