1304 results about "Salt water" patented technology

The invention provides a solar interface evaporator based on amphoteric polyelectrolyte photo-thermal hydrogel, a preparation method and application, and belongs to the field of solar interface evaporation. The solar interface evaporator with a three-dimensional multi-surface evaporation structure is prepared by combining the polyelectrolyte resisting effect of the amphoteric polyelectrolyte photo-thermal hydrogel and the porous capillary effect of the sponge, and has the characteristics of high light absorptivity, good water absorption effect, excellent antibacterial property, mechanical property, salt resistance, evaporation property and the like; particularly, compared with a traditional hydrogel-based solar interface evaporator, the water delivery capacity and the salt resistance in high-concentration saline water are greatly improved through the application of the autonomously designed zwitterionic hydrogel, water molecules in the saline water are activated through the cooperation of salt-resistant ionized water, the evaporation enthalpy is reduced, and the evaporation efficiency is improved. And a great positive effect is achieved on improvement of the evaporation rate. The evaporator is easy to prepare and excellent in multi-dimensional performance, and a new way and thought are provided for application to seawater desalination and wastewater treatment.

The invention relates to the technical field of saline-alkali soil improvement, in particular to a saline-alkali soil treatment and improvement method which comprises the following steps: S1, early-stage investigation and planning; s2, physical improvement; s3, chemical improvement; s4, biological improvement; s5, irrigation improvement; s6, later monitoring and maintenance; according to the saline-alkali soil treatment and improvement method, a traditional single improvement mode is broken through, physical, chemical, biological and engineering technologies are fused, a systematic improvement scheme is formed, and physical improvement effectively improves the soil structure and accelerates salt discharge through land leveling, deep ploughing, upturned soil sunning and concealed pipe laying for drainage; a soil conditioner and an acidic material are precisely applied for chemical improvement, and the soil acidity and alkalinity and ion composition are adjusted; in biological improvement, salt is absorbed by virtue of salt-tolerant plants and microbial agents, and soil microbial communities are improved; a fresh water resource or salt water desalination technology is reasonably utilized for irrigation improvement, and salt leaching and water resource recycling are achieved; through the synergistic effect of multiple means, the salt content of soil can be more efficiently reduced, and the soil structure is improved.

The invention relates to a carbon dioxide salt water layer geological storage site selection method and system, and belongs to the technical field of carbon dioxide energy conservation and emission reduction. The site selection method comprises the following steps: acquiring logging data and a geological data set of a target area, and identifying a potential salt water interval based on a preset rule; grading quantitative evaluation is carried out according to the identified potential salt water interval, and a corresponding evaluation index system is established; wherein the evaluation index system comprises a plurality of first-level evaluation indexes and a plurality of second-level evaluation indexes corresponding to each first-level evaluation index, and the first-level evaluation indexes comprise geological sequestration condition evaluation, sequestration capability condition evaluation and social environment condition evaluation; carrying out weight assignment on the evaluation indexes in the evaluation index system based on an index weight assignment method, and carrying out comprehensive quantitative evaluation to obtain a comprehensive evaluation score of each candidate target region; and taking the candidate target region with the highest comprehensive evaluation score as a storage site for geological storage of the carbon dioxide saline water layer. According to the invention, the scientificity and reliability of storage site selection can be improved.

The invention provides a low-carbon circulating technological process for treating high-total-nitrogen wastewater. A main treatment unit and a resource recycling and circulating unit are included; the main treatment unit is characterized in that high-total-nitrogen wastewater sequentially passes through a pH regulating tank, a sulfur autotrophic denitrification tank, a biochemical system, a secondary sedimentation tank, a deep treatment line and ultrafiltration reverse osmosis, produced reclaimed water enters produced water for delivery, and a part of produced concentrated water enters a resource recovery and circulation unit; the resource recovery and circulation unit is characterized in that after concentrated water is treated by a vertical electrophoresis device, mixed acid, mixed alkali and low-salt water are separated out, the mixed alkali is sent to a sulfur autotrophic denitrification tank to be used for supplementing alkalinity consumption of the sulfur autotrophic denitrification system, and the mixed acid sequentially passes through an anaerobic regulating tank, an anaerobic reactor, an alkali washing tower, a biological desulfurization reactor and a sedimentation tank; the recovered sulfur can be sold as elemental sulfur or reused in the sulfur autotrophic denitrification tank, and supernate flows back to the alkaline tower; a green, low-carbon and recyclable water treatment process flow is realized.

The invention relates to the technical field of CO2 geological sequestration, and provides a pore scale multi-field coupling model construction method for salt precipitation caused by CO2 injection in a salt water layer, which performs numerical simulation on real-time distribution of related variables such as flow velocity, temperature and concentration in a domain at a pore scale, can realize accurate research on a salt precipitation micromechanism during CO2 injection, and can realize accurate research on the salt precipitation micromechanism during CO2 injection. The method comprises the following steps that S1, a two-dimensional single-pore geometric model is established, and the two-dimensional single-pore geometric model comprises a fluid inlet, a fluid outlet and a pore wall connecting the fluid inlet and the fluid outlet, wherein the fluid inlet and the fluid outlet are parallel to each other; s2, respectively establishing a CO2 material and a saline material, adding a physical field, setting boundary conditions and initial conditions of the two-dimensional single-pore geometric model, and performing grid division on the two-dimensional single-pore geometric model; and S3, performing parameter calculation according to the two-dimensional single-pore geometric model, the CO2 material, the saline material and the physical field, and obtaining a micromechanism according to an obtained calculation result.

The invention discloses a conductor galloping and sag monitoring method and system based on Beidou differential analysis. The method comprises the following steps: monitoring a lead position, a conductivity change rate, a surface temperature and electric field intensity data of different heights, and calculating an electric field intensity gradient sequence between adjacent heights; and in the incremental time interval, determining a signal drift coefficient according to the incremental wire position data and the incremental electric field intensity data. When the conductivity change rate is greater than a preset threshold value and the surface temperature of the wire is lower than the dew point temperature, multiplying the signal drift coefficient by the ratio of the conductivity change rate to a preset reference rate to obtain a conductive film correction coefficient, and taking the product of the correction coefficient and the real-time electric field intensity as a correction amount; and deducting from the real-time wire position data to obtain correction data. By implementing the technical scheme provided by the invention, the accuracy of the lead position monitoring data in the salt water mist environment is improved.

The invention relates to the technical field of industrial production wastewater treatment, and particularly provides a resource utilization method of calcium chloride high-salt water containing high-concentration organic matters. The method comprises the steps of pretreatment, wet catalytic oxidation, salt type conversion, softening filtration, deep oxidation, nanofiltration purification and targeted adsorption, no residual mother liquor exists, no secondary pollution is generated, organic matters in effluent are stable and reach the standard, the water quality and water quantity fluctuation resistance is high, heterogeneous and homogeneous catalysts are combined for catalysis, and the purification effect is good. According to the method, the sodium chloride solution is used as a raw material, the homogeneous catalyst is recycled, in addition, most of salt in the homogeneous catalyst is also recycled, resource reutilization is fully achieved, the treatment cost is reduced, and the treated sodium chloride solution can be used as primary saline water for subsequent ion membrane electrolysis.

The present invention discloses a regeneration process for extending the service life of a salt water refined ceramic membrane system, and relates to the technical field of inorganic ceramic membrane regeneration process; in order to facilitate and quickly process the ceramic membrane; specifically includes three inorganic ceramic membrane filters, a salt tank, a recoil mechanism and a hydrochloric acid recovery box, the inorganic ceramic membrane filter includes a filter housing, an inorganic ceramic membrane, a permeation side housing is provided in the filter housing, the inorganic ceramic membrane is located in the permeation side housing, and the inorganic ceramic membrane and the permeation side housing constitute a permeation side, the filter housing top and bottom are both equipped with sealing covers, three inorganic ceramic membrane filters are respectively connected to a series structure through a series pipeline, and the input end of the inorganic ceramic membrane filter at one end is connected to a water inlet pipe. The present invention can recycle the inorganic ceramic membrane, extend its service life and service life, and can extend its use by 1-2 years even in the worst salt quality, with obvious effect, convenient and reliable operation.

The invention discloses a printing and dyeing wastewater zero-discharge treatment process based on low-pressure high-power membrane concentration and salt separation synergy. The wastewater is sequentially subjected to the steps of double-alkali softening pretreatment, organic pollutant treatment, forward osmosis low-pressure high-power concentration treatment, salt separation treatment and evaporative crystallization. Wherein the forward osmosis low-pressure high-power concentration treatment is performed in a partitioned manner along the flow direction, the osmotic pressure difference is gradually increased, the transmembrane pressure difference is gradually decreased, and interface electrochemical buffer and low-frequency gas-liquid disturbance can be set to inhibit concentration polarization and pollution. Carrying out nanofiltration and salt separation on the concentrated solution to obtain two paths of saline water mainly comprising Na2SO4 and NaCl, and respectively carrying out evaporative crystallization on the two paths of saline water; and refluxing and reusing the water produced by the draw solution. According to the process, high-power concentration and stable salt separation are realized under low mechanical pressure, the energy consumption is reduced, the water recovery rate and the crystal purity are improved, and zero discharge of wastewater is realized.

The invention discloses a high-temperature-resistant low-damage high-density solid-free well killing fluid which comprises 50-80 parts of water, 10-40 parts of calcium chloride, 10-40 parts of calcium bromide, 0.5-2 parts of a temperature-resistant tackifier, 1-3 parts of a temperature-resistant filtrate reducer, 0.5-2 parts of a high-temperature stabilizer, 0.5-3 parts of a high-temperature corrosion inhibitor, 0.5-2 parts of a salt crystallization inhibitor and 0.1-1 part of a waterproof locking agent. The technical problems that the saline water base fluid is unstable in density in a high-temperature environment, a reservoir is damaged, and a shaft is corroded are solved. The invention also discloses a preparation method of the high-temperature-resistant low-damage high-density solid-free kill fluid, which comprises the following steps: adding the water into a stirring kettle, then adding the calcium chloride, the temperature-resistant filtrate reducer, the temperature-resistant tackifier and the high-temperature corrosion inhibitor, uniformly stirring, and supplementing the calcium bromide during stirring to obtain a mixture; a salt crystallization inhibitor is injected into the stirring kettle, meanwhile, a high-temperature stabilizer is added, the stirring kettle is heated for full stirring, and the well killing fluid is obtained.

The invention discloses a method for preventing and controlling salt water invasion of an aquifer at the bottom of an estuary river channel by building an impermeable layer, which comprises the following steps of: acquiring hydrogeological data of a prevention and control area, and determining the size of the area to be prevented and controlled according to an engineering expected effect; performing curing treatment on the foundation bed in the prevention and treatment area by using a curing agent material; leveling treatment is conducted on the curing area; laying an impermeable layer on the surface of the solidified foundation bed; smoothing the connecting area of the impermeable layer and the surrounding foundation bed; and laying a protective layer on the surface of the impermeable layer. Compared with an existing seawater invasion prevention and control method, the method is relatively simple in construction arrangement, low in investment cost and low in later maintenance cost, salt water can be effectively prevented from invading the coastal underground aquifer from the bottom of the river channel, and the method has a good application prospect.

The invention discloses a method for safely irrigating saline water with different mineralization degrees and reducing salt in a plough layer, and relates to the technical field of agricultural irrigation, and the method is characterized by comprising the following steps: monitoring the mineralization degree of irrigation water and soil moisture and salt dynamic states under various irrigation mode conditions; through a soil column simulation test, a saline water mineralization degree threshold value suitable for irrigation of saline-alkali cultivated lands with different soil properties and salt contents is found; performing a plot test in the field, and establishing an irrigation water-soil water-underground water salt migration model under various irrigation modes; hYDRUS-1D software is adopted for dynamic simulation and prediction of soil hydrothermal salt coupling migration under different saline water irrigation conditions. The method can be suitable for different soil texture types, crop types and underground water conditions, the salt content of the saline-alkali cultivated land can be effectively reduced, on the premise that crop growth is guaranteed, salt water resources are utilized to the maximum extent, irrigation cost is reduced, sustainable utilization of the saline-alkali cultivated land is achieved, and the method has important practical application value.

The utility model relates to a brine refining filter which comprises a filter cartridge (13), a filter screen (14) and a filter element (15); a turbine (21), a bevel gear (23) and a straight gear (24); the rotating shaft (26) is rotationally connected with the mounting shell (22), and a scraping plate (27) is rotationally arranged at the end part of the rotating shaft (26) and is in contact with the surface of the filter screen (14); to-be-treated saline water enters the filter cartridge (13) through the water inlet pipe (11) and drives the turbine (21) to rotate and drives the mounting shell (22), the rotating shaft (26) and the scraper (27) to revolve around the central shaft (25), and meanwhile, the straight gear (24) is meshed with the fixedly arranged bevel gear (23) and drives the straight gear (24), the rotating shaft (26) and the scraper (27) to rotate, so that the scraper (27) can simultaneously rotate and revolve around the center of the filter screen (14) to scrape impurities on the surface of the filter screen (14); the impurity removal effect is good, and the filter screen (14) is effectively prevented from being blocked to influence the filtering efficiency.

A system and method are provided in at least one embodiment to process water to produce gas that can be separated into at least two gas flows using a water treatment system having a disk-pack rotating in it to cause out gassing from the water. In a further embodiment, the method and system use the gas released from the water to produce substantially fresh water from the processed salt water.

The invention discloses a dynamic simulation test device and method for resin high tower separation, and relates to the technical field of water treatment.The dynamic simulation test device comprises a desalting water tank, a booster pump, a remote flowmeter, a control cabinet, a start-stop switch, a separation tower, a resin storage tank, a valve, a camera and a resin interface intelligent recognition and control device. According to the dynamic simulation test method for resin high tower separation, test research related to resin separation or chromatic aberration is carried out according to the separation conditions of the high tower, the resin separation process is monitored by utilizing a high-definition camera technology, the resin separation process is automatically judged by utilizing a computer image recognition technology, flow data is recorded and converted into flow velocity, and the dynamic simulation test method is used for testing the resin separation process. And the identified resin layering effect, color moment and other data are matched, so that the separation of different proportions or types of mixed resin in the separation tower is realized, and a test result with excellent separation is obtained.

The invention provides a method for determining the residual yield of shale gas based on methane carbon isotope change in desorption gas. The method comprises the following steps: S1, putting a shale sample into a desorption tank filled with saturated salt water, and sealing; s2, placing the desorption tank in water, recording the volume of desorption gas according to the desorption time by using a drainage method, and collecting the desorption gas; s3, according to the analytic gas collected in each analytic time period, calculating accumulated total analytic gas, and calculating the proportion of the analytic gas in each analytic time period to the total analytic gas to obtain a stage accumulated analytic rate; s4, measuring the ratio of methane carbon isotope delta 13C in the desorption gas when the desorption rate is accumulated in each stage; and S5, establishing a change curve of the stage cumulative analysis rate of the shale gas and the methane carbon isotope delta13C so as to obtain a model for predicting the shale gas productivity stage. The invention provides a non-destructive and direct gas potential measurement means, which is high in accuracy and can be well adapted to shale gas prediction.

The utility model provides a filtering structure and a strong brine reduction device, and belongs to the technical field of strong brine treatment. The filtering structure comprises a filtering assembly and a cleaning assembly, the filtering assembly comprises a tank body and a filtering plate, the filtering plate is arranged in the tank body, the filtering plate is conical, the cleaning assembly comprises a rotating shaft, a motor, an elastic piece, a scraping plate, a cleaning window plate and a stirring rod, the rotating shaft is rotationally arranged in the tank body, and the motor is arranged in the tank body. By arranging the tank body, the filter plate, the rotating shaft, the motor, the elastic piece, the scraper blade, the cleaning window plate and the stirring rod, the conical filter plate is beneficial to guiding filtered objects to fall to the edge, the filtering effect is guaranteed, the scraper blade is tightly attached to the filter plate through the elastic piece, the scraping and cleaning effects of the filter plate are improved, and the filtering effect is improved. After use, the cleaning window plate is opened to clean impurities of filtered substances, and the stirring rod stirs and mixes the filtered strong brine and the medicament for treatment.

The invention discloses a salt spray test box, which belongs to the technical field of corrosion resistance testing, and comprises a salt spray test box body, and an anti-blocking mechanism is arranged in the salt spray test box body; according to the salt spray test box, the anti-blocking mechanism is arranged, so that the problem that the salt spray test box is easily blocked by salt particles in the long-time operation process is effectively solved, the anti-blocking mechanism adopts matched work of a cleaning brush, a scraper blade and a reset spring, continuous cleaning of a filter screen and a conveying pipe is ensured, and specifically, after a salt-water mixture enters the conveying pipe, the salt-water mixture is prevented from entering the conveying pipe; the transmission system drives the support to rotate, the support rotates to drive the reset spring to rotate and push the supporting plate and the cleaning brush to move, the cleaning brush is tightly attached to the surface of the filter screen, automatic cleaning is carried out, undissolved salt particles are prevented from entering the conveying pump and the spray head, and it is ensured that salt water can be evenly and cleanly conveyed to a test sample; and equipment faults caused by salt particle blockage are avoided.

The invention relates to the technical field of water treatment, and discloses a method for circularly inducing crystallization, hardness removal and desalination of calcium carbonate. Adding the seed crystal into high salt water; adding sodium hydroxide into the heavy salt water; adding sodium carbonate to generate a supersaturated solution; introducing the solution containing the calcium carbonate crystal nucleus into crystallization equipment; treating the reacted solution through solid-liquid separation equipment; further desalting the water body subjected to hardness removal by adopting a membrane separation mode; collecting and treating the formed calcium carbonate precipitate, and recovering the precipitate by adopting a separation technology; by adopting the synthesized vaterite type seed crystal, the hardness removal and desalination efficiency is remarkably improved in the cyclic induced crystallization process of calcium carbonate. Compared with the traditional non-synthetic seed crystal, the synthetic seed crystal has higher surface area and uniformity, so that the combination of calcium ions and carbonate ions can be more quickly induced to form a stable crystal nucleus, and the overall effect of the reaction is finally improved.

The invention belongs to the field of petroleum geology, and particularly discloses a method for judging formation time of reservoir cracked asphalt by using a solid cracked asphalt-saline water two-phase inclusion. According to the method, the lithofacies characteristics of the fluid inclusion in the fluid inclusion slice are determined, the types of various fluid inclusion developed in the reservoir diagenetic minerals are determined according to the lithofacies characteristics, and the solid cracked asphalt-salt water two-phase inclusion is found in the various types of inclusion; the method comprises the following steps: carrying out microscopic uniform temperature test on an inclusion to obtain the uniform temperature and freezing point of the inclusion, carrying out PVT simulation on the fluid inclusion by using the uniform temperature and freezing point to obtain the capture temperature of the fluid inclusion, and then inputting the obtained capture temperature data to a burial history curve of the region, thereby finally accurately obtaining the formation time of the cracked asphalt. The method is simple and efficient, and a new thought and method are provided for limiting the forming period of the cracked asphalt.

The invention discloses a corrosion and scale inhibitor suitable for high-salinity water quality and a preparation method and application thereof.The corrosion and scale inhibitor comprises nano SiO2 at NH2, organic phosphonate, zinc salt, polycarboxylic acid and nano SiO2, a corrosion inhibition component is composed of the nano SiO2 at NH2, the organic phosphonate and the zinc salt according to the mass ratio of (0.8-1.2): 0.5: (0.3-0.4), a scale inhibition component is composed of the polycarboxylic acid and the nano SiO2 according to the total solid content mass ratio of 3: 1, and the scale inhibition component is composed of the nano SiO2 at NH2, the organic phosphonate and the zinc salt. The polycarboxylic acid grafting rate in the scale inhibition component is greater than or equal to 80%, and the corrosion inhibition component and the scale inhibition component are compounded according to the ratio of 1: 1 to prepare a finished product agent; the preparation method comprises the following steps: preparing the corrosion inhibition component, adjusting the pH value to 3-4, preparing the scale inhibition component, and compounding the corrosion inhibition component and the scale inhibition component to prepare the finished product agent. According to the invention, nano SiO2 and NH2 are added to prepare a corrosion inhibition component, nano SiO2 is added to prepare a scale inhibition component, and the components are strictly mixed step by step, so that the components form a chemical and physical multi-synergistic corrosion and scale inhibition effect, and the finished agent has the characteristics of corrosion inhibition rate, CaCO3 resistance rate higher than 95%, MgSiO3 resistance rate higher than 80%, high-salt environment tolerance, high high-temperature stability, low biotoxicity and the like.

Systems and methods for monitoring and managing day to day performance of a group of salt water disposal wells in a network include performing operations including performing a well measurement to generate salt-water disposal (SWD) well data; retrieving a machine learning model that is trained using labeled SWD data, the labeled SWD data representing one or more SWD well faults causing respective data signatures in the SWD data, each respective data signature being associated with a corresponding label identifying the SWD well fault for a particular SWD well; inputting the SWD well data generated in real-time based on SWD well operation, into the machine learning model; generating, by the machine learning model based on the inputting, a classification output representing a predicted well injection pressure or injection rate of the particular SWD well including SWD wells faults / anomalies; and generating, based on the classification output, control data for changing operation of the particular SWD well.

The invention discloses a decommissioned wind power blade product-mixed fiber sorting system, which comprises a pretreatment system, a primary sorting system and a secondary sorting system, and is characterized in that a vibrating screen of the pretreatment system is used for removing residual dust and carbon deposition impurities on a decommissioned wind power blade product so as to realize primary cleaning; a calcium chloride solution with the saturated solution density of 1.81 t / m < 3 > to 1.83 t / m < 3 > at the temperature of 60 DEG C to 70 DEG C is contained in a salt water tank of the primary sorting system, so that the density of the calcium chloride solution is kept between the carbon fiber density and the glass fiber density, and therefore, after the pretreated retired wind power blade product is put into the salt water tank, the calcium chloride solution is separated from the glass fiber; the carbon fibers and the glass fibers can float or sink in a flotation manner, so that a primary separation function is realized; according to the characteristic that the carbon fibers and the glass fibers are different in color, the secondary sorting system separates a small amount of residual carbon fibers in the glass fibers or separates a small amount of residual glass fibers in the carbon fibers by arranging a color sorter, so that the advantage of improving the purity of the fibers is achieved.

A system is provided in at least one embodiment to process water to produce gas that can be separated into at least two gas flows using a water treatment system having a disk-pack rotating in it to cause out gassing from the water. In a further embodiment, the system use the gas released from the water to produce substantially fresh water from the processed salt water.

The present disclosure is directed to a geothermal desalination system, comprising; a primary liquid circuit circulating a liquid into a geothermal well and returning heated liquid from a well head of the geothermal well, the primary liquid circuit passing through a desalination plant; a first turbine driven by the heated liquid to produce a mechanical output; and an air compressor driven from the mechanical output to provide a first compressed air supply and a second compressed air supply, wherein the first compressed air supply drives a supply pump to supply salt water to the desalination plant, and the second compressed air supply drives a-start-up pump to initiate circulation in the primary liquid circuit.

The invention discloses low-temperature coagulation-accelerating anion styrene-butadiene latex for oil field well cementation and a preparation method of the low-temperature coagulation-accelerating anion styrene-butadiene latex. The low-temperature coagulation-accelerating anion styrene-butadiene latex comprises the following components in parts by mass: 100 parts of anion styrene-butadiene latex raw stock; 4 to 10 parts of a nonionic surfactant I; 2 to 4 parts of a nonionic surfactant II; 10 to 20 parts of water glass; 0.5 to 1 part of a defoaming agent; and 15-20 parts of deionized water. The low-temperature coagulation-accelerating anionic styrene-butadiene latex prepared by the invention is used in cement paste, has short thickening time at low temperature, can resist sodium chloride brine to reach semi-saturation, and can effectively control the water loss of the cement paste, improve the anti-channeling performance of a cement paste system, reduce the elastic modulus of set cement, increase the density of the set cement and improve the stability of the set cement. Therefore, formation gas is effectively prevented from invading cement stone, and well cementation quality is guaranteed.

The utility model provides equipment for processing and pickling vegetables, which relates to the technical field of vegetable processing and comprises a U-shaped frame, a pickling box is arranged in the U-shaped frame, annular top covers are connected to the top of the pickling box at equal intervals, and drainage pipes are connected to the bottom of the pickling box at equal intervals in a penetrating manner. Overturning mechanisms for driving the pickling box to rotate in a reciprocating manner are arranged on the inner walls of the two sides of the U-shaped frame. According to the vegetable pickling device disclosed by the utility model, the driving motor is matched with the first gear and the second gear to drive the fixed circular plate to rotate, so that the pickling box rotates in the U-shaped frame, vegetables and saline water in the pickling box are uniformly mixed, and meanwhile, under the interaction of the adjusting circular plate, the limiting circular ring, the screw rod and the reset spring, the vegetable pickling device is convenient to use. According to the vegetable pickling device disclosed by the utility model, the pickling box can move back and forth in the horizontal direction while rotating, so that not only is the damage to vegetables caused by stirring of the stirring blades avoided, but also the vegetables and saline water can be fully mixed through an oscillation effect generated by back-and-forth movement during rotation.

The invention discloses an ECL detector for detecting trace cesium ions and application of the ECL detector, the ECL detector comprises a working electrode, a reference electrode, a counter electrode, an electrolyte and a photomultiplier, and a poly-o-phenylenediamine film with a porous structure is deposited on the surface of the working electrode. The ECL detector for detecting trace cesium ions provided by the invention has the advantages of ultralow detection limit, high selectivity and field visual detection, and can be successfully applied to visual and accurate determination of trace cesium in various environmental samples such as fresh water, salt water and the like and various animal samples (fishes, arthropods and mollusks).

The invention belongs to the technical field of saline-alkali land treatment, and particularly relates to an agriculture and light complementary multipurpose comprehensive treatment irrigation and drainage system for saline-alkali land, comprising: a planting area for planting crops or pasture; the saline-alkali soil vertical shaft drainage system is arranged in a planting area and used for discharging excessive underground water, collecting saline water, maintaining a low underground water level to restrain salt return and guaranteeing normal growth of crops. The photovoltaic power generation panel assembly is arranged above the planting area and used for reducing evaporation heat dissipation of crops or forage grass, inhibiting salt accumulation and providing electric energy; the raw water tank is used for collecting saline water; the water purification system is used for purifying and desalting saline water; the salt manufacturing system is used for preparing chemical raw materials by using concentrated water; the produced water reservoir is used for storing purified water; the irrigation system is communicated with one water outlet end of the produced water reservoir and is used for irrigating crops or pasture and the like; and the electrolytic storage system is communicated with the other water outlet end of the produced water reservoir and is used for electrolyzing the purified water to generate hydrogen and oxygen and storing the hydrogen and the oxygen.

The invention relates to the technical field of hygroscopic materials, and particularly discloses an atmospheric hygroscopic material for ecological restoration of arid-semi-arid regions and a preparation method of the atmospheric hygroscopic material. The method comprises the following steps: firstly preparing gel containing a heat-conducting material, acrylamide and isopropyl acrylamide, freeze-drying the swelled gel, soaking the gel in a moisture-absorbing salt water solution to load moisture-absorbing salt, taking out and drying. The temperature sensitivity of isopropylacrylamide is retained through copolymerization of acrylamide and isopropylacrylamide monomers, meanwhile, higher hydrophilic performance is given to isopropylacrylamide, a high-molecular polymer can absorb liquid drops formed by deliquescence of moisture absorption salt, continuous adsorption of the moisture absorption salt is kept, and the polymerized gel has higher moisture absorption capacity and water yield. The prepared atmospheric hygroscopic material provides a new way for supplying water required by ecological restoration plants in arid-semi-arid regions, water vapor is collected without depending on an external device in use, and the water production process is free of energy consumption and emission and environmentally friendly.