336results about How to "Reduce concentration" patented technology

The invention discloses a method for in vitro slow release performance evaluation of a slow and controlled release preparation based on the overflow principle. A container with an upper outlet and a lower outlet is adopted to serve as a release tank, a to-be-detected medicine and a dissolution medium are placed in the release tank, a stirring device is adopted in the release tank to perform stirring, and the dissolution medium is added from the lower outlet of the release tank through a peristaltic pump; the dissolution medium dissolved with the medicine is taken away through the overflow from the upper outlet so as to offset medicine absorption or metabolism, and the slow and controlled release speed of the medicine, the total medicine overflow quantity and the total release amount are calculated by measuring the concentration of the medicine contained in the dissolution medium flowing out, the volume of the release tank and the overflow quantity. According to the method, the releasing degree of the slow and controlled release medicine can be evaluated accurately, the effective medicine release time of the slow and controlled release preparation is evaluated, and slow release performances of the slow and controlled release preparation are evaluated comprehensively.

This invention relates to the field of plant genetic engineering technology, and more particularly to... SsNHX1 and SsSOS2 Dual-gene plant expression vector and its application in improving salt tolerance in alfalfa. The plant expression vector uses pCAMBIA1300 as its backbone and inserts genes derived from Suaeda salsa. SsNHX1 Genes and SsSOS2 It is constructed from genes. SsNHX1 Genes and SsSOS2 The CDS coding sequence of the gene is shown in SEQ ID NO:1 and SEQ ID NO:2 of the sequence listing. Using Agrobacterium tumefaciens EHA105-mediated transformation, the vector was introduced into the leaves of sterile alfalfa seedlings. Positive transgenic plants were obtained through co-culture, callus induction differentiation, and PCR identification. The advantage lies in the synergistic effect of the two genes, which effectively enhances the salt tolerance of alfalfa, enabling it to grow normally under 200–300 mM NaCl stress, providing a new solution for forage cultivation in saline soils.

The invention discloses a method for in-situ passivation of available cadmium in soil, and belongs to the technical field of heavy metal contaminated soil treatment. According to the method, the fulvic acid with the molecular weight being 100 kDa or above is applied to the acid mining area soil with the pH being 2-4.5 according to the adding amount of 3-20 gC / kg, the low-concentration cadmium pollution of the source being 4 mg / kg or below is removed, the concentration of effective-state cadmium is reduced, the cost is saved, the natural substance fulvic acid is used as the remediation agent, operation is easy and convenient, and the method is suitable for remediation of various mining area soil.

The invention belongs to the technical field of organic synthesis, and particularly relates to a catalyst-free continuous production method of chlorotert-butane, which comprises the following steps: adding diluted hydrochloric acid as a starting solution into the tower kettle of a reactive distillation tower, and heating the tower kettle to boil until reflux exists at the tower top; the method comprises the following steps: adding tert-butyl alcohol and concentrated hydrochloric acid into a mixing preheater for preheating, then continuously feeding from a feed port of a reactive distillation tower until the tower top temperature is 45-48 DEG C, the side discharge port temperature is 50-52 DEG C and the tower kettle temperature is 96-105 DEG C, and carrying out reflux according to a reflux ratio of (1.5-3): 1; and continuously extracting crude chlorinated tert-butane from a side discharge port of the tower, cooling, neutralizing, drying and filtering to obtain the chlorinated tert-butane. According to the invention, through the integrated design of the mixing preheater and the reactive distillation column, especially by utilizing the reactive distillation technology to continuously remove the product, the chemical equilibrium limitation of the traditional intermittent process is successfully broken, the raw material conversion rate is obviously improved, and meanwhile, the green production targets of flow simplification, energy consumption reduction and three-waste emission reduction are realized.

The invention relates to the technical field of power distribution, in particular to a power distribution method and device for a non-condensation environment of a flexible charging pile and computer equipment. Comprising the following steps: acquiring temperature and humidity data inside and outside a charging pile through a sensor, and correcting and calibrating the data based on an external environment fluctuation factor to obtain accurate temperature and humidity distribution data; analyzing temperature distribution, identifying an area with a relatively large temperature gradient, generating an airflow adjustment scheme, and adjusting an internal airflow to enable a temperature field to tend to be uniform; monitoring the temperature and humidity data of the key part, judging the water vapor adhesion probability, and performing local dehumidification or heating intervention when necessary; and the change trend of the electrical insulation performance is continuously monitored, the airflow strategy is optimized, self-adaptive power distribution and airflow adjustment are carried out according to the optimization result, and stable operation of the charging pile is ensured. According to the invention, the problem of water vapor adhesion possibly caused by the charging pile in a non-uniform temperature and humidity environment is solved, and stable and efficient operation of the charging pile in a complex environment is realized.

The utility model discloses an adjustable clamp for ultrasonic vibration auxiliary low-voltage micro-arc machining, and relates to the technical field of ultrasonic vibration auxiliary machining. The clamp comprises a three-jaw chuck, an ultrasonic vibration device and a nylon outer shell. A threaded hole is formed in the tail end of the three-jaw chuck and used for being connected with the ultrasonic vibration device and the nylon outer shell. The ultrasonic vibration device is arranged in the nylon outer shell and comprises an ultrasonic transducer and an ultrasonic amplitude-change pole, and the ultrasonic transducer is formed by stacking piezoelectric ceramics and electrode plates and is fixed through a front end cover and a rear end cover; the nylon outer shell is of a square-outside and round-inside structure, the bottom of the nylon outer shell is matched with the rear end cover, and an opening is connected with the three-jaw chuck to provide insulation protection for the whole device. By combining low-voltage micro-arc machining with ultrasonic vibration, efficient and high-precision machining is achieved, and the ultrasonic vibration machine has the advantages of being compact in structure, high in stability, integrated in insulation design, adjustable in vibration direction and the like, and is suitable for precision machining of materials difficult to machine in the fields of aerospace, military industry, medical treatment and the like.

The direct-fired machine comprises a direct-fired machine body, a combustor, a recycling assembly and a drainage assembly, the combustor is arranged on one side of the direct-fired machine body, the recycling assembly comprises a conveying pipe arranged on one side of the direct-fired machine body, a box body assembly is arranged at one end of the conveying pipe, a filtering piece is arranged in the box body assembly, and the filtering piece is arranged on the other side of the direct-fired machine body. A water collecting pipe is arranged at the bottom of the box body assembly and arranged at the air inlet end of the combustor. Through the design of the combustor, the conveying pipe, the box body assembly, the filtering piece, the water collecting pipe and the water draining assembly, the arranged combustor has a smoke recycling function, smoke exhausted by the direct-fired machine is recycled through the conveying pipe in the using process, dust and particulate matter in the smoke are filtered through the filtering piece, and the dust and particulate matter in the smoke are filtered through the water collecting pipe; and then the flue gas is conveyed into the combustor, so that the combustor sucks the air and the flue gas and mixes the air and the flue gas, the concentration of oxygen in the air per cubic meter is reduced, and finally emission of nitric oxide is reduced.

The utility model provides a kind of coke balling machine, belong to balling machine technical field, comprising: box, hammering subassembly, sieve plate subassembly, locking mechanism, discharge screening mechanism and dust receiving subassembly;Box is equipped with balling chamber, screening chamber, discharge chamber and dust receiving chamber, is equipped with lining in balling chamber, hammering subassembly is arranged in balling chamber, and hammering subassembly is connected with the output end of driving device;Two sides of screening chamber are equipped with slide respectively, sieve plate subassembly is arranged on slide, and sieve plate subassembly is below hammering subassembly;The device cooperates through sieve plate subassembly, discharge screening mechanism and dust receiving subassembly, improves the separation effect of globular coke and chippings, dust, reduces the problem that chippings mix into finished product or dust accumulation;Sieve plate subassembly is fixed by locking mechanism, both ensure the stability of sieve plate subassembly under high-frequency vibration, avoid structural damage caused by direct rigid contact, to prolong the service life of equipment and keep screening accuracy.

The utility model belongs to the technical field of the anti -rot wood pole peeling, and disclose a kind of anti -rot wood pole peeling device, including support pole, the inner wall rotationally connected of support pole has support frame, the surface of support frame is rotationally connected with four groups of bearing net respectively, the surface of bearing net is sequentially provided with heating area, soaking area, flushing area and counterweight area, four groups bearing net are rotationally arranged in the inside of support frame, the left and right sides of support pole are respectively provided with flushing frame and heating frame from left to right, and flushing frame is arranged at the top of flushing area, heating frame is arranged at the top of heating area, the bottom of soaking area is provided with soaking tank, the bottom of soaking tank is fixedly connected with several groups of hydraulic rod, soaking tank is slid on the surface of soaking area, by the above scheme, the existing anti -rot wood peeling device is all used physical peeling (such as knife scraping, mechanical polishing) this mode, and this peeling mode can cause scratch problem to the surface of anti -rot wood.

The application provides a method for dynamically regulating alcohol content to enhance the flavor of solid vinegar, comprising the following steps: S1, liquefaction; S2, saccharification; S3, alcohol fermentation; S4, solid-state layered fermentation; and S5, finished product preparation. The vinegar preparation method has the advantages that the fermentation performance is improved, the fermentation period is shortened, the conversion rate of acetic acid is improved, the biomass of bacteria is increased, the growth of acetic acid bacteria is as good as possible, the rate of acetic acid fermentation is improved, the period of acetic acid fermentation is shortened, the flavor of liquid-state fermented vinegar is improved, the irritation of solid-state fermented vinegar is reduced, and the method has a good market application prospect.

The invention relates to the field of soil remediation, in particular to a soil crushing, dosing and mixing device for soil remediation. According to the soil conditioner, soil and a chemical conditioner can be more sufficiently and uniformly mixed, the concentration of heavy metal ions in the soil is more effectively reduced, and therefore the treatment efficiency of the soil is more effectively improved. The invention discloses a soil crushing, dosing and mixing device for soil treatment. The device comprises supporting legs, a working box, a feeding hopper and the like, a working box is fixedly connected between the tops of the two supporting legs, and the top of the working box communicates with a feeding hopper. According to the device, the extrusion frame rotates and reciprocates up and down to extrude, crush and disperse soil, so that small-particle soil enters the working box along the extrusion frame, and a chemical modifier sprayed by a plurality of spraying nozzles of a pesticide spraying pipe is in uniform contact with the dispersed soil, so that the concentration of heavy metal ions in the soil is reduced; the soil treatment efficiency is improved.

This invention relates to the field of surfactant technology and discloses a biodegradable amphoteric surfactant and its preparation process. The process involves reacting a diol compound and a diacyl chloride compound, followed by a reaction with 1,3-propanesulfonate lactone to obtain the biodegradable amphoteric surfactant. Both the main chain and side chains of this surfactant contain a large number of biodegradable ester groups, exhibiting a high biodegradability rate and making it environmentally friendly. The side chains of this surfactant contain a large number of amphoteric betaine ion groups, among which a large number of sulfonic acid anions have strong coordination and complexation effects with iron ions. After complexation, the concentration of iron ions in the solution is significantly reduced, making it suitable as a complexing agent for better application in the iron complexation desulfurization process. Complexing iron ions can prevent iron ion precipitation, thus maintaining the good oxidizing properties of iron ions and reducing hydrogen sulfide to sulfur.

This invention relates to the field of heavy metal contaminated water or soil remediation technology, and discloses the application of magnesium-based cementitious materials in heavy metal ion remediation in ultra-stable mineralized environments. This invention can achieve good heavy metal adsorption effects in a short time, without the release of toxic substances or secondary pollution, and is suitable for the remediation of heavy metal contaminated water or soil.

The invention discloses an in-situ leaching liquid injection system and method for high-altitude ionic rare earth ore, and belongs to the field of rare earth hydrometallurgy. The system is composed of a liquid injection well pattern, a layered liquid injection device, a first liquid supply system, a second liquid supply system and a collection system. Exploring the thickness of an ore body weathering crust and vertical distribution of rare earth / impurities; the liquid injection hole is vertically divided into an upper layer liquid injection area (1 / 3-1 / 2 of the upper part) and a lower layer liquid injection area (1 / 2-2 / 3 of the lower part); a 1.0-1.4 wt% low-concentration diethylenetriamine-ammonium acetate composite leaching agent is injected into the upper layer, and co-leaching of impurities such as aluminum and iron is reduced; 1.5-2.5 wt% of high-concentration diethylenetriamine-ammonium acetate composite leaching agent is injected into the lower layer to ensure efficient leaching of rare earth; and rare earth-rich leaching liquid is collected. Compared with a traditional full-layer high-concentration process, the method has the advantages that the use amount of a leaching agent is reduced by 20-40% while the rare earth leaching rate is kept to be larger than or equal to 90%, the aluminum ion concentration of the leachate is reduced by 30-60%, the agent cost and the follow-up impurity removal load are remarkably reduced, and the method is particularly suitable for the high-altitude, low-temperature, low-air-pressure and thick-weathered crust environment.

The application discloses an aluminum alloy cleaning agent and a preparation method and application thereof, and belongs to the technical field of cleaning agents. The aluminum alloy cleaning agent comprises the following raw materials in parts by weight: 7-12 parts of ionic surfactant A, 3.5-6 parts of non-ionic surfactant B, 0.2-3 parts of a dispersing solubilizing agent, 0.8-1.5 parts of a penetrating agent, 3-6 parts of a chelating agent, 0.2-2 parts of an inhibitor, 0.01-0.05 parts of a defoaming agent and 67-83 parts of deionized water. The non-ionic surfactant A comprises at least one of a fatty alcohol polyoxyethylene ether and a nonylphenol polyoxyethylene ether. The non-ionic surfactant B comprises a sorbitan fatty acid ester. The dispersing solubilizing agent comprises a polyhydric alcohol. The aluminum alloy cleaning agent can effectively improve cleaning power, avoid aluminum alloy tarnishing, and is environmentally friendly. The application further provides a preparation method and application of the aluminum alloy cleaning agent.

The application relates to the technical field of phosphating aids, and discloses an aid for reducing phosphating sediment and a preparation method, which is composed of the following raw materials in percentage by weight: organic phosphonic acid sediment inhibitor 20-40%, high-molecular dispersant 10-25%, complexing stabilizer 5-15%, pH buffer 2-8%, oxidant 1-5%, surfactant 0.5-3%, and the balance is deionized water. Through the synergistic effect of the core components, the organic phosphonic acid sediment inhibitor and the high-molecular dispersant, a multiple protective barrier of "inhibiting nucleation, resisting scale growth and dispersing and stabilizing" is constructed, so that the generation and adhesion of the sediment are fundamentally reduced.

The utility model relates to the technical field of environment-friendly treatment of industrial sewage, in particular to a yellow phosphorus production sewage circulating purification system, which is provided with a yellow phosphorus sewage tank, a multi-stage sedimentation mechanism, a concentration filtering mechanism and a clear liquid collecting tank which are sequentially arranged along a sewage treatment flow, the yellow phosphorus sewage tank is used for collecting yellow phosphorus production sewage; the multi-stage sedimentation mechanism is provided with a plurality of deep cone sedimentation machines which are arranged in series and are used for carrying out sedimentation separation on the conveyed yellow phosphorus sewage; the concentrating and filtering mechanism is used for concentrating and separating the conveyed settling floating liquid; and the clear liquid collecting tank is used for collecting the clear liquid separated by the concentrating and filtering mechanism and conveying the clear liquid to the phosphorus collecting tower through a water conveying pipe. Aiming at the special characteristics of yellow phosphorus production sewage purification treatment, the utility model constructs a closed circulation purification system, has the technical characteristics of greatly reducing the occupied area, being low in construction and operation cost and excellent in separation and purification effect, and has remarkable technical effect and economic benefit.

This invention relates to the field of washing machine technology, specifically providing a washing machine and its control method, which at least solves the problem of easily damaging clothes. The washing machine provided by this invention includes a body, a washing drum, and a door. The body has a clothes loading port; the washing drum is rotatably disposed within the body and has a washing chamber; the door is hinged to the body and used to open and close the clothes loading port, and has a detergent dispenser. The door also has an injection channel and an outlet channel. The injection channel communicates with both the detergent dispenser and the washing chamber, and the outlet channel communicates with both the detergent dispenser and the washing chamber. The inlet of the injection channel is configured to receive water overflowing from the washing drum during rotation, so as to dilute the detergent added a second time in the detergent dispenser. This invention effectively avoids the corrosion risk that may be caused by high-concentration detergent directly contacting clothes and also reduces the overall water consumption of the washing machine.

The utility model discloses a kind of sheep shed ventilation and air exchange regulation and control devices, belong to the technical field of breeding, including sheep shed ontology, the sheep shed ontology includes frame and roof, the both sides of the frame are provided with air intake mechanism, the top of the roof is provided with exhaust mechanism, the utility model is provided with air intake mechanism, U type pipe bottom is buried in the interior of soil, utilize the natural temperature buffer effect of soil, the temperature of the air entering (winter preheating, summer precooling) is adjusted, first electric push rod drives T type disc to move up and down, realize the opening or closure of U type pipe and air intake cover connecting port, realize the internal delivery of external fresh air to sheep shed ontology, utilize soil precooling / preheating air, realize the internal delivery of low temperature or warm airflow to sheep shed ontology, reduce the energy consumption of traditional temperature control equipment, reduce breeding cost.

The invention provides a seawater hydrogen production and storage system and a seawater hydrogen production and storage process using offshore wind power. The seawater hydrogen production and storage system comprises a permeable membrane system, a two-stage RO membrane system, an EDI ultrapure water system and a hydrogen production and storage system, and the permeable membrane system, the two-stage RO membrane system, the EDI ultrapure water system and the hydrogen production and storage system are connected in sequence; in the seawater purification direction, the permeable membrane system comprises a forward osmosis module and permeable membrane modules, the forward osmosis module comprises a forward osmosis membrane and absorption liquid, the absorption liquid is selected from a sodium chloride solution with the mass concentration of 3-15%, and the number of the permeable membrane modules connected in series is 1-3. According to the seawater hydrogen production and storage system, the seawater is subjected to graded purification, the purified seawater can be directly discharged to the sea, the purified ultrapure water can thoroughly avoid a series of problems of chlorine, calcium and magnesium precipitation and the like in the subsequent water electrolysis hydrogen production process, and liquid hydrogen storage oil is directly prepared through the hydrogen production and storage system and is convenient to transport on the sea and other scenes.

The utility model discloses an anti-odor glass fiber reinforced plastic septic tank which comprises a septic tank body, the upper end of a threaded splicing ring is fixedly connected with a suction fan, the edge of one side of the upper end of a threaded mounting block is communicated and provided with a water guide pipe, the lower end of the water guide pipe is communicated and provided with a spraying head, and the spraying head is vertically distributed at the lower end of the inner wall of a deodorization outer shell. The upper end of the water guide pipe is communicated with the water tank in a penetrating manner; and the water guide pipe is integrated with a water pump. According to the odor-returning-preventing glass fiber reinforced plastic septic tank, two groups of backflow prevention can be conducted on the liquid inlet and the liquid outlet through the one-way valves, odor returning prevention can be assisted through the flow guide pipe, odor in the glass fiber reinforced plastic septic tank can be sucked through the suction fan, efficient filtration is conducted through the filter block and the spray header, and therefore the odor concentration is reduced, and the odor returning prevention effect is achieved. Moreover, the deodorization outer shell is convenient to screw, disassemble and assemble, the filter block is convenient to independently pull, disassemble and assemble, and the suction fan is convenient to independently disassemble and assemble, so that the use effect is better.

The utility model belongs to the technical field of biodiesel lipase recovery, and particularly relates to a biodiesel lipase recovery centrifugal machine which comprises a horizontal spiral screen centrifugal machine body and a flow gathering bin, the top end of a feeding pipe of the horizontal spiral screen centrifugal machine body is fixedly connected with a communicating pipe, one end of the communicating pipe is fixedly connected with a feeding storage tank, and the other end of the communicating pipe is fixedly connected with a discharging storage tank. An isolation bin is fixedly connected to the inner wall of the feeding storage tank, a feeding notch is formed in the side wall of the feeding storage tank, an upper thin liquid feeding pipe is fixedly connected to the side wall of the horizontal spiral screen centrifugal machine body, a dilution suction pump is installed on the upper thin liquid feeding pipe, and a circulating dilution pipe is installed on the side wall of the upper thin liquid feeding pipe; the upper thin liquid feeding pipe, the dilution suction pump and the circulating dilution pipe are matched to suck low-concentration liquid and convey the low-concentration liquid to the feeding position of the feeding pump, and the low-concentration liquid and the high-concentration liquid are mixed, so that the concentration of the liquid conveyed to the feeding pipe of the horizontal spiral screen centrifuge body can be effectively reduced.

The embodiment of the present application provides a printing environment maintaining system and method, the printing environment maintaining system comprises a forming chamber, a gas monitoring device, a gas extraction device, a gas feeding device and a control device; the gas monitoring device is arranged in the forming chamber; the gas extraction device is communicated with the forming chamber and extracts the gas in the forming chamber when working; the gas feeding device is communicated with the forming chamber and feeds the inert gas into the forming chamber when working; the control device is connected with the gas monitoring device, the gas extraction device and the gas feeding device respectively; in the process of switching the forming chamber from an abnormal environment to a micro-positive pressure environment, the control device controls the gas extraction device and the gas feeding device to work cooperatively. In the scheme, the adverse effects of impurity gas on the forming quality are reduced, and the probability of the external gas penetrating into the forming chamber is reduced; meanwhile, the micro-positive pressure environment can also avoid the airflow disturbing the metal powder due to the excessively high pressure in the forming chamber, so that the quality of the printed part is ensured.

This invention relates to the field of medical biopolymer materials technology, specifically to an injectable hydrogel for kidney stone removal, its preparation method, and its application. The preparation materials include at least a precursor solution 1 and a precursor solution 2. Precursor solution 1 contains at least a polyethylene glycol derivative and a thickener, while precursor solution 2 contains at least a polyamino polymer. By optimizing the formulation ratio of the two-component precursor solutions, a hydrogel with strong conformability, good toughness, and viscosity is formed in situ in the kidney stone area. This encapsulates the kidney stone, facilitating its removal from the body and avoiding the safety hazards associated with small kidney stone fragments or conventional drug treatment.

A multi-stage adsorption synergistic dust control system for silicon carbide laser processing includes a suction hood, a vibrating grid module, a porous laminar flow adsorption module, a boiling water mist module, a condensation pipe, a mixing condensation module, a drying module, and a fan, arranged sequentially and connected along the airflow direction. The vibrating grid module includes an alloy grid and a vibration device. The porous laminar flow adsorption module includes an adsorption layer disposed in the airflow channel. The boiling water mist module includes an adsorption chamber and a water mist generator to form boiling water mist to capture dust in the airflow. The condensation pipe performs preliminary condensation of the airflow to capture dust. The mixing condensation module includes an inclined condensation channel that utilizes dust in the airflow as condensation nuclei to remove dust. The inner wall of the condensation channel is alternately arranged with superhydrophilic and superhydrophobic regions. This invention can achieve stepwise dust removal from the micron to the nanometer scale, with a capture efficiency of up to 99.9%, low overall energy consumption, and recyclable materials.

The utility model discloses a fireproof door with window belongs to fireproof door technical field, including the door board, the surface of door board is provided with fireproof glass window and the material window, the upper and lower sides of fireproof glass window are equipped with a plurality of smoke exhaust hole that penetrates the door board, and the surface of door board is equipped with the track, and the baffle that is used for selectively closing the material window is slidably installed in the track, and the surface of baffle is installed with the positioning assembly that is used for locking it in the material window closed position, door board is equipped with inductive type sealing assembly at fireproof glass window, and this assembly is used for automatically closing fireproof glass window and a plurality of smoke exhaust hole under the preset condition, and the baffle and inductive type sealing assembly are inlaid with sealing strip on the side of contact with door board. The utility model has daily convenience and security, can distinguish fire source position and make the optimal response.

This utility model discloses a thickener for sodium bicarbonate production, including a settling tank. An overflow weir is installed at the upper part of the settling tank, and a guide channel is installed at the upper part of one side of the settling tank. A support base is fixedly installed at the middle of the outer surface of the rear end of the settling tank, and a premixing device is fixedly installed on the upper outer surface of the support base. The thickener for sodium bicarbonate production described in this utility model uses a motor-driven drive shaft, which drives a first agitator and a second agitator to rotate in opposite directions through belt transmission and gear meshing, forming a bidirectional stirring effect. This allows the material to be quickly and uniformly mixed in the cylindrical mixing chamber, avoiding excessively high or low local flocculant concentrations and ensuring a stable and reliable settling process.

The application discloses an electrochemical granulation electrode deintercalation lithium extraction membrane stack electrolysis equipment, which comprises an electrolysis tank and an electrode assembly; the electrolysis tank comprises a first side plate, a piece of side plate rubber pad, a plurality of tank bodies, another piece of side plate rubber pad, a second side plate and a first tank body rubber pad, an anion membrane and a second tank body rubber pad arranged in sequence between two adjacent tank bodies; the tank bodies are divided into anode tanks and cathode tanks, the anode tanks and the cathode tanks are arranged alternately in an X direction from the first side plate to the second side plate, and the number of the anode tanks is equal to that of the cathode tanks; and an elastic porous pad is laid on the inner cavity bottom wall of the tank body. The electrolysis equipment can realize efficient extraction of lithium resources in salt lake brine, has the advantages of high lithium recovery rate and current efficiency, and is convenient to install, maintain and observe and monitor in the lithium extraction process.

This invention relates to the field of water-soluble polymer materials technology, and discloses a comb-shaped ternary polymer and its preparation process. The polyacrylamide is polymerized from a backbone monomer, anionic monomer, comb-shaped macromolecular monomer, and optional functional reinforcing monomers under the action of a redox and azo-based composite initiation system. The preparation process includes solution preparation and neutralization, deoxygenation and temperature control, adiabatic polymerization, and post-treatment steps, employing a control strategy combining low-temperature initiation and adiabatic temperature rise polymerization. This invention effectively overcomes the defects of traditional linear polymers—low viscosity retention and poor shear resistance—in high-temperature and high-salt environments by introducing comb-shaped side chains to create a steric hindrance effect. The resulting product possesses ultra-high molecular weight, low water-insoluble content, and excellent solubility, exhibiting excellent salt-resistant thickening advantages and mechanical stability, meeting the oil displacement requirements of harsh reservoir environments.

The application relates to the field of high polymer material and film processing technology, in particular to a forming and processing technology of a biaxially stretched polymer film; the technology comprises the steps of inorganic particle surface modification, esterification, polycondensation, melt extrusion casting and biaxial stretching and winding; the technology combines specific monomer copolymerization to provide main chain rigidity and steric hindrance, and cooperates with multifunctional crosslinking monomers to build a slightly long branched and micro-crosslinked structure in the system; the core is to introduce an end group reaction agent and a macromolecular antioxidant to close the polar end group to inhibit degradation, and to combine the surface modified nanoparticles with the monomer containing a sulfonate group to form a polar ion aggregate in the amorphous region; the application overcomes the defects that the traditional process lacks a main chain rigidity cooperative design and an end group closing mechanism, causes a significant increase in thermal shrinkage and a decrease in dielectric performance in a high temperature and high frequency scene, improves the thermal dimensional stability of the material, and improves the dielectric breakdown strength and the surface metal layer adhesion.