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77 results about "Salt pond" patented technology

High-salinity wastewater treatment system matched with production of ethylene oxide and ethylene glycol

The utility model relates to the field of ethylene oxide and ethylene glycol production sewage treatment, and discloses a high-salt wastewater treatment system matched with ethylene oxide and ethylene glycol production for use, which comprises a high-salt regulating tank (22), an anoxic tank (23), a high-salt CBR tank (24), a high-salt ASR tank (25) and a high-salt secondary sedimentation tank (26) which are sequentially connected, and the high-salt secondary sedimentation tank (26) is connected with a final sedimentation tank (27); the sewage treatment system realizes high-efficiency treatment of high-salinity wastewater in ethylene oxide and ethylene glycol production, and is high in treatment efficiency and stable in operation; meanwhile, the reclaimed water recycling system (20) is matched for recycling clean water at multiple positions, so that water is saved, emission is reduced, and the operation cost is reduced.
Owner:ZHEJIANG JUNENG ENVIRONMENTAL ENG CO LTD

Low-salt wastewater treatment system matched with production of ethylene oxide and ethylene glycol

The utility model relates to the field of ethylene oxide and ethylene glycol production sewage treatment, and discloses a low-salt wastewater treatment system matched with ethylene oxide and ethylene glycol production, which comprises a low-salt regulating tank (11), a biological selection tank (12), a low-salt ASR tank (13), a low-salt CBR tank (14) and a low-salt secondary sedimentation tank (15) which are sequentially connected, sludge at the bottom of the low-salt secondary sedimentation tank (15) is connected with a sludge return tank (17); the low-salt wastewater treatment system realizes efficient treatment of low-salt wastewater in ethylene oxide and ethylene glycol production, and is high in treatment efficiency and stable in operation; meanwhile, the reclaimed water recycling system (30) is matched for recycling clean water at multiple positions, so that water is saved, emission is reduced, and the operation cost is reduced.
Owner:ZHEJIANG JUNENG ENVIRONMENTAL ENG CO LTD

Seedling transplanting high-yield cultivation method for beet in moderate and severe saline-alkali soil

The invention discloses a medium-severe saline-alkali soil beet seedling transplanting high-yield cultivation method. According to the method, for saline-alkali soil with the salt content of 0.3%-1.0% and the pH value of 8.5-9.5, through integration of salt-tolerant variety screening, engineering salt elimination and precise agronomic management, the yield of beet is remarkably increased, and the soil improvement efficiency is remarkably improved. The method comprises the following steps: (1) screening saline-alkaline tolerant beet varieties, and adopting a paper tube seedling raising method to improve the seedling rate; (2) an inverted trapezoidal empty pond and an impermeable membrane drainage system are constructed, salt is induced to migrate to a salt collecting pond in combination with small-flow drip irrigation, and the annual salt discharge amount is larger than or equal to 10 tons / mu; (3) dynamically regulating and controlling the planting density, and matching salt and alkali gradients; water and fertilizer are integrally managed, water is saved by 40% through drip irrigation, and the nitrogen fertilizer utilization rate is increased to 50%; and (5) foliar topdressing to increase the sugar content to be greater than or equal to 16%. According to the method, the root tuber yield reaches 4.8-5.2 tons / mu, the annual salinity reduction amplitude of a plough layer is 15%-20%, the organic matter content is increased, the problems that saline-alkali soil beet planting is high in cost and low in efficiency are solved, and a feasible scheme is provided for resource utilization of saline-alkali soil in northwest arid regions.
Owner:SUZHOU DISTRICT AGRI TECH PROMOTION CENT

A high-efficiency and energy-saving device for removing iodine from crude salt

The present application relates to the technical fields of iodine removal of crude salt, and discloses a high-efficiency and energy-saving iodine removal device for crude salt, which comprises a salt dissolving pool assembly, a reagent tank assembly, a reaction tank assembly, a combustion tank assembly and an adsorption tower assembly, mainly solves the problems of low iodine removal efficiency and high energy consumption in the prior art, by injecting fresh brine into the salt dissolving pool, driving the ultrapure water metering pump to dilute, opening the stirring motor to disturb and pre-oxidize the brine, driving the hydrochloric acid metering pump to adjust the pH of the brine, driving the water inlet pump to inject the brine into the reaction tank, adding hydrogen peroxide by the hydrogen peroxide metering pump, opening the ultrasonic vibrator and the aeration ring, and through the synergistic effect of cavitation and micro-bubble aeration, the oxidation reaction is strengthened, the oxygen generated by the reaction is transported to the combustion chamber to mix and burn with hydrogen, the heat energy generated by the combustion is converted into electricity by the thermoelectric generator to supply power to the ultrasonic vibrator, the ultrapure water in the cold liquid cavity absorbs the waste heat to warm up and preheat the salt dissolving, and after the oxidation reaction is completed, the brine is collected into the adsorption tower assembly for adsorption, so that the content of iodine in the crude salt is efficiently removed.
Owner:INNER MONGOLIA JUNZHENG CHEM IND CO LTD

Method for recovering valuable materials from waste

The present invention relates to a method for recovering valuable materials from waste. The method for recovering valuable materials from waste comprises the steps of: (a) pulverizing waste, which is generated from an evaporator or a crystallizer among equipment of a zero liquid discharge process for desulfurization wastewater, and then injecting same into a dissolution tank so as to dissolve same in a solvent and separating same into a gypsum (CaSO4) precipitate and a supernatant from which the gypsum has been removed; (b) dissolving, in a desulfurization tank, barium chloride (BaCl2) in the supernatant from which the gypsum has been removed, and separating same into a barium sulfate (BaSO4) precipitate and a supernatant from which the barium sulfate has been removed; (c) dissolving, in a hydroxide tank, sodium hydroxide (NaOH) in the supernatant from which the barium sulfate has been removed, and separating same into a magnesium hydroxide (Mg(OH)2 precipitate and a supernatant from which the magnesium hydroxide has been removed; and (d) injecting, into a salt pond, the supernatant from which the magnesium hydroxide has been removed, so as to recover sodium chloride (NaOH).
Owner:PARK JANG-HEUNG

On-line two-alkali control device for saline water

The utility model relates to the technical field of chemical production, and provides an on-line salt water two-alkali control device, which solves the problem of raw material waste caused by design defects of the existing salt water production device, and comprises a salt water dissolving tank, a heat exchanger, a salt dissolving pond and a buffer pond which are connected in sequence, a machine pump and a conversion valve are arranged between the salt dissolving water tank and the heat exchanger, the conversion valve has a starting state and a production state, the adjusting part is used for switching the starting state and the production state of the conversion valve, and the machine pump and the conversion valve are arranged, so that heat exchange can be directly carried out on a salt water solution in the salt dissolving pond.
Owner:FUJIAN SOUTHEAST ELECTROCHEMICAL CO LTD

Inflatable salt pond plastic straw mat self-adaptive buoy chain with preset deflection

The invention discloses an inflatable salt pond plastic straw mat self-adaptive buoy chain with preset deflection, which belongs to the technical field of salt pond plastic straw mat retraction and release, and at least comprises a buoy chain formed by axially splicing two buoy monomers through a splicing mechanism; the buoy chain has preset deflection protruding towards the traction direction of the plastic straw mat under the state of no external force; an inflation sealing cavity is formed in each buoy single body. Traction connecting parts are arranged at the two ends of the buoy chain and used for being connected with a traction rope; a plastic cover fixing part is arranged on the buoy chain and used for being fixedly connected with a plastic cover; when the traction connecting part is pulled in the traction direction of the traction rope, the preset deflection is eliminated, so that the buoy chain tends to be in a linear state; and after the pulling force of the pulling rope is relieved, the buoy chain automatically recovers the preset deflection. Through the design of the preset deflection structure and the inflation sealing cavity, the buoy chain has the self-adaptive bending recovery capacity, so that the plastic straw mat collecting and releasing efficiency is improved, the wind and wave resistance is enhanced, and the service life is prolonged.
Owner:TIANJIN CHANGLU HAIJING GRP CO LTD +2

A self-supporting fracturing fluid system that can be prepared with natural salt water and its use

The application discloses a self-supporting fracturing fluid system prepared by using various natural salt water and application thereof, and provides a self-supporting fracturing fluid system for development of geological energy (in particular, oil and gas, geothermal energy and natural gas hydrate), which is not affected by ion concentration in seawater, salt lake water and surface water, has low requirement on water source, can be prepared by using various types and concentrations of mineralization water source at the same time, and can be directly prepared by using various surface water to prepare the self-supporting fracturing fluid system, so that the requirement of water source for fracturing technology in areas lacking fresh water is met.
Owner:KESHENG HIGH ENERGY TECHNOLOGY (CHANGZHOU) CO LTD +1

Ceramic membrane continuous brine refining device and refining method

The invention discloses a ceramic membrane continuous brine refining device and a refining method, and belongs to the technical field of chlor-alkali industry brine treatment. The device comprises a salt dissolving tank, a precipitation reaction tank, a feed liquid tank and a multi-stage series filter membrane group as a core, and is also matched with a water production tank, a backflushing tank, an acid liquid tank and a blow-down tank, wherein the multi-stage series-connection filtering membrane group is composed of at least two stages of filtering membrane groups which are sequentially connected in series, each stage of filtering membrane group comprises at least two parallel-connection membrane assemblies, and each membrane assembly is provided with an independent control valve group so as to realize independent switching of filtering, backwashing and acid pickling. During maintenance, at least one membrane component is reserved in each stage of membrane group for filtering so as to guarantee the operation continuity; preferably, the device is filled with a silicon carbide ceramic membrane, and the surface of the silicon carbide ceramic membrane can be modified by zwitterions, so that the continuous brine refining performance at low membrane surface flow velocity is further improved. The invention breaks through the defect of maintenance shutdown of the traditional system, realizes continuous refining of saline water, ensures that the purity meets the requirement of ion membrane electrolysis, is suitable for chlor-alkali enterprises of various scales, and has remarkable technical and economic values.
Owner:NANJING TECH UNIVERSITY SUZHOU FUTURE MEMBRANE TECHNOLOGY INNOVATION CENTER +2

Synergistic decalcification and carbon sequestration method for high-calcium chloride type lithium-containing brine

Aiming at the problems of difficult decalcification and carbon sequestration of the high-calcium chloride type lithium-containing brine, carbon emission in production activities and the like, the method comprises the following steps: decalcification: mixing and stirring the high-calcium chloride type lithium-containing brine and a sodium / potassium carbonate solution generated by sodium / potassium hydroxide absorption tail gas to react; or discharging into a salt pond to evaporate to naturally settle the calcium carbonate solid, or directly carrying out solid-liquid separation to obtain calcium carbonate and decalcified brine; evaporating to remove sodium / potassium: evaporating and precipitating the decalcified brine to obtain recoverable sodium chloride / sylvinite and sodium / potassium removed brine; purifying and electrolyzing: washing, dissolving and purifying the sodium / sylvite, and electrolyzing to obtain a sodium / potassium hydroxide solution and hydrochloric acid; carbon capture: taking the sodium / potassium hydroxide solution as an absorption solution to capture carbon dioxide in tail gas generated by fossil energy in the production process to obtain a sodium / potassium carbonate solution, and after carbon dioxide is removed from the tail gas, further treating the tail gas and discharging the tail gas after reaching the standard. The method has the advantages that calcium in the lithium-containing brine can be removed, carbon can be fixed at the same time, carbon emission generated in production activities is reduced, comprehensive utilization of resources is achieved, and the like.
Owner:ZIJIN MINING GROUP CO LTD

Arc-shaped control method for salt pond plastic carpet buoy chain

The invention discloses an arc control method for a salt pond plastic carpet buoy chain, the buoy chain is formed by splicing a plurality of buoy monomers, and the method comprises the following steps: a preset arc design step: according to the total length L of the buoy chain and a preset target rise h0, calculating a target curvature radius R of the preset arc of the buoy chain in a state without external force; a traction and straightening control step: a radial tension F is applied to the buoy chain in the preset arc shape, and the tension F is configured to enable the shape of the buoy chain to tend to be linear from the arc shape so as to adapt to traction and coverage of the plastic straw mat; and a self-adaptive reset control step: releasing the radial tension F, and enabling the buoy chain to automatically recover to the preset arc by utilizing the structural restoring force of the buoy chain. By means of quantitative calculation and automatic control, accurate design and self-adaptive management of the arc shape of the salt pond plastic straw mat buoy chain are achieved, the salt pond plastic straw mat buoy chain can be efficiently straightened during traction and can automatically reset after force unloading, and therefore the reliability and efficiency of plastic straw mat retracting and releasing are improved.
Owner:TIANJIN CHANGLU HAIJING GRP CO LTD +2

Automatic start-up system for caustic soda process

The utility model relates to the technical field of caustic soda production, provides an automatic start-up system for a caustic soda process, and solves the problem of lack of full-flow automatic control on saline water and an electrolysis device in the prior art. The device comprises a saline water device, an electrolysis device and a control unit, wherein the control unit is in communication connection with equipment of the saline water device and the electrolysis device respectively; the brine device comprises: a crude brine refining module, which comprises a buffer pool, a crude brine pump and a clarification tank, the buffer pool is connected with an outlet of a salt dissolving pool, and the crude brine pump is interlocked with a liquid level sensor in the buffer pool and is used for conveying crude brine in the buffer pool to the clarification tank; the saline water filter is used for filtering saline water and is provided with a pH meter and an oxidation reduction potential (ORP) meter to adjust the pH value and the oxidation reduction potential; the saline water storage tank is used for storing qualified saline water; the automation of the driving process program is realized, and thousands of manual operations in the driving process are reduced.
Owner:FUJIAN SOUTHEAST ELECTROCHEMICAL CO LTD

Device for preparing alkali from waste salt

The utility model relates to the field of high-salt-content wastewater treatment, in particular to a waste salt alkali making device which comprises a salt dissolving pond and a first Jinyu reactor, a chemical mortar pump is installed outside the salt dissolving pond, and the first Jinyu reactor is communicated with a first automatic backwashing surface filter. The first automatic backwashing surface filter is communicated with a second Jinyu reactor, the second Jinyu reactor is communicated with a second automatic backwashing surface filter, the second automatic backwashing surface filter is communicated with an ammonium chloride crystallizer, and an output end pipe orifice of the ammonium chloride crystallizer is communicated with a third automatic backwashing surface filter. According to the waste salt alkali production device, efficient reaction can be realized, and the loss of chemicals is reduced; no extra waste water is generated, and the water supplementing amount of brine is saved; except for first-stage salt dissolving and impurity removal, the system does not additionally generate solid waste; the medicament consumption and the membrane replacement rate can be effectively reduced; patent equipment of Shaanxi Jinyu Science and Technology Development Co., Ltd is used, deployment and maintenance are easy, and cost is low.
Owner:SHAANXI JINYU TECH DEV CO LTD

Anti-falling device for floating plate

The utility model relates to the technical field of salt industry production equipment, in particular to an anti-falling device for a floating plate. According to the technical scheme, the device comprises a floating plate and a squaring inhaul cable, a fixed vertical plate is fixedly connected to the winning position of the upper surface of the floating plate, inclined pull ropes are symmetrically and fixedly connected to the two sides of the upper surface of the floating plate, and the tail ends of the two inclined pull ropes and the tail end of the fixed vertical plate are fixed to the outer surface of the squaring inhaul cable through fixing rings. In the using process of the floating plate, the stability of the floating plate in the salt pond is improved, the floating plate is prevented from being blown over by strong wind and rainstorm, and therefore the situation that fresh water flows into the salt pond to cause salt dripping is avoided, and economic losses are avoided.
Owner:JIANGSU RUI TAI SALT

Desalting device for vulcanized fiber vulcanized paper base paper

The utility model provides a desalting device for vulcanized fiber vulcanized paper base paper, which relates to the technical field of desalting devices and comprises a desalting tank I, a clean water tank and a storage tank, a first roller frame is arranged on the outer side of the front end of the first desalting pond, a second desalting pond is connected to the rear end of the first desalting pond, a third desalting pond is connected to the rear end of the second desalting pond, a fourth desalting pond is connected to the rear end of the third desalting pond, the clean water pond is arranged at the rear end of the fourth desalting pond, a second drainage pipe is arranged at the left end of the clean water pond, and a first connector is arranged at the right end of the clean water pond. The storage tank is arranged at the left ends of the first desalting tank, the second desalting tank, the third desalting tank and the fourth desalting tank, a first drainage pipe is arranged on the left side of the storage tank, and a valve is installed on the first drainage pipe. A heating plate is installed in the lower end of the clean water tank, the temperature in the clean water tank is changed through the heating plate, and the desalting effect is enhanced; the desalting device solves the problem that an existing desalting device for vulcanized fiber vulcanized paper base paper is poor in desalting effect on thick paper products.
Owner:XINJIANG YUANYI INNOTECH CO LTD

Real-time detection device for salt concentration of a salt pond

The utility model provides a kind of real-time detection device for salt water concentration of salt pond, detection tube one end is connected with mass flowmeter, mass flowmeter is communicated with the water outlet of centrifugal pump, centrifugal pump water inlet is communicated with water inlet pipe, water inlet pipe lower end is close to salt pond bottom, water outlet pipe in water inlet pipe side is communicated with another end of detection tube, and the detection module of mass flowmeter is electrically connected with detection computer;Salt pond inside is also provided with pressure sensor and temperature sensor, and pressure sensor and temperature sensor are electrically connected with detection computer.Real-time monitoring function enables operator to find the change of salt water concentration in time, and quickly take adjustment measures, avoid the production interruption or product quality problem caused by abnormal salt water concentration.The automatic detection process reduces the workload of manual sampling and laboratory analysis, and reduces labor cost.
Owner:INNER MONGOLIA TENGLONG BIOLOGICAL FINE CHEM CO LTD

Salt pond plastic straw mat automatic winding and unwinding equipment

The utility model discloses automatic salt pond plastic straw mat collecting and releasing equipment, which belongs to the technical field of salt pond plastic straw mat collecting and releasing equipment, and comprises hanging rails arranged on two sides of a salt pond in parallel and used for guiding membrane materials; the film covering device is arranged at one end of the hanging rail and comprises a floating winding drum and a film covering motor, the floating winding drum is used for winding the film material, and the film covering motor drives the floating winding drum to rotate so as to wind and unwind the film material; the traction device is arranged at the end, away from the film covering device, of the hanger rail and comprises a traction rod, a traction rope, a winch and a traction motor, the traction rope is wound around the winch and connected with the traction rod, the traction rod is connected with the end of the film material, and the traction motor drives the winch to rotate to enable the winch to retract and release the traction rope so as to drive the traction rod to move. The device has the advantages of being high in automation degree and easy and convenient to operate.
Owner:CHINA RAILWAY CONSTR HEAVY IND

Novel salt dissolving device

The utility model discloses a novel salt dissolving device, which belongs to the technical field of salt dissolving equipment and comprises a salt dissolving pond for containing water, a grid plate is arranged above the water surface of the salt dissolving pond, a bag breaking structure is arranged on the top surface of the grid plate, and a feeding hole is formed above the bag breaking structure; a spraying structure is arranged on the side of the bag breaking structure, and a stirring structure is arranged at the bottom of the salt dissolving pond. A snow-melting agent packaging bag is put onto the bag breaking structure through the feeding port, after the bag breaking structure cuts the bag, leaked snow-melting agents enter the salt dissolving pond through the grid plate, the snow-melting agents on the grid plate can be flushed into the salt dissolving pond by opening the spraying structure, and empty bags are left on the grid plate and are convenient to pick and take out; and then the stirring structure is started to fully melt the snow melting agent in the salt dissolving tank into water. The bag breaking and dumping device has the advantages of being simple in structure, reasonable in design and convenient and rapid to operate, bag breaking and dumping can be rapidly achieved, dumped packaging bags cannot fall into a salt dissolving pond, empty bags can be conveniently picked up, meanwhile, the salt dissolving speed can be increased, and application and popularization are convenient.
Owner:BEIJING TONGZHOU JINGHUAN ENVIRONMENTAL SERVICE CO LTD

Feed capable of controlling mutton smell as well as preparation method and application of feed

The invention discloses a feed prepared from natural herbal elements and capable of controlling mutton smell. The feed comprises the following raw materials in parts by weight: 10-20 parts of seaweed meal; 5-8 parts of onion; 8-12 parts of licorice root; 7-10 parts of ephedra herb; 12 to 18 parts of fennel grass; 22 to 35 parts of caragana microphylla; 45 to 56 parts of medicago falcata; 42 to 48 parts of nutgrass flatsedge; and 26-31 parts of artemisia halodendron. According to the invention, the feed formed by combining natural herbs is used for feeding, so that the mutton smell of the fed mutton is thoroughly solved, the mutton has better nutritional performance, and the nutritional indexes of the mutton smell-controlling type salt pond Tan mutton prominently show as high calcium, rich selenium, healthier nutrition and stronger nourishing performance.
Owner:NINGXIA SHENYUAN BIOTECHNOLOGY CO LTD

A special repair adhesive for salt pond covering membranes, its preparation method and its application

This invention provides a special repair adhesive for saltwater pond covering membranes, its preparation method, and its application, belonging to the field of saltwater pond covering membrane repair. The special repair adhesive for saltwater pond covering membranes comprises, from top to bottom, a PVC substrate, an adhesive layer, and a release film layer. The preparation method of the special repair adhesive for saltwater pond covering membranes includes the following steps: preparing a substrate reinforcement phase, preparing a PVC substrate, and composite molding. The special repair adhesive for saltwater pond covering membranes of this invention can meet the long-term use requirements of the harsh environment of saltwater ponds, has good compatibility with PVC covering membranes in saltwater ponds, and provides good adhesion and durability to PVC covering membranes. Simultaneously, the bonding performance between the substrate and the adhesive is good, the interface bonding is not prone to failure, and the adhesive has good durability, maintaining good bonding and repair performance for a long time in the harsh environment of saltwater ponds.
Owner:SHANDONG HUIFENG NEW MATERIALS CORP LTD

Industrial waste salt treatment system

ActiveCN223060714UAlkali metal sulfites/sulfatesAlkali metal halide formation shapeMicrowave pyrolysisEnvironmental engineering
The utility model discloses an industrial waste salt treatment system which comprises a microwave pyrolysis unit which is used for pyrolyzing organic matters in industrial waste salt and is provided with a tail gas outlet and a discharge hole; the tail gas treatment unit is connected to the tail gas outlet and is used for treating and discharging the tail gas; the salt dissolving, impurity removing and degassing unit comprises a salt dissolving pond, one end of the salt dissolving pond is connected with the discharging port, the other end of the salt dissolving pond is connected with an impurity removing device, and the salt dissolving pond is connected with a degassing device; the lithium recovery unit is used for lithium precipitation reaction and is connected with the impurity removal device; the membrane separation unit comprises a hardness removal softening device and a nanofiltration separation membrane device which are connected in sequence, the nanofiltration separation membrane device comprises a produced water outlet and a concentrated water outlet, the produced water outlet is connected with a sodium chloride generation module, the concentrated water outlet is connected with a sodium sulfate generation module, and the hardness removal softening device is connected with the lithium recovery unit. According to the utility model, harmless and resourceful treatment on the industrial waste salt generated in the lithium battery recycling process is realized.
Owner:HUNAN BRUNP RECYCLING TECH CO LTD +1

Automatic drainage equipment for salt pond

The utility model discloses automatic drainage equipment for a salt pond, which belongs to the field of salt pond rainwater drainage and comprises a drainage tank arranged in a drainage port of the salt pond; the lifting device is used for being arranged above a water outlet of the salt pond to drive the water drainage box to ascend and descend; the rope winding device comprises a supporting plate arranged on the drainage box, steering pulleys arranged at the two ends of the supporting plate and a tightening rope surrounding the drainage box and matched with the steering pulleys, the two ends of the tightening rope are used for being connected with the plastic straw mat film, and a lifting lead screw used for jacking up the tightening rope is arranged on the supporting plate. The drainage device has the advantages of being high in drainage efficiency and low in labor intensity.
Owner:CHINA RAILWAY CONSTR HEAVY IND

Plastic straw mat collecting and releasing device

The invention discloses a plastic straw mat collecting and releasing device, and relates to the technical field of salt drying and salt manufacturing equipment. Comprising a floating lever, first traction ropes, second traction ropes and fourth traction ropes, the floating lever is connected with the two fourth traction ropes in the plastic straw mat opening direction, the two first traction ropes and the two second traction ropes are installed and connected in the plastic straw mat folding direction, and when the plastic straw mat is opened, the floating lever is dragged by the fourth traction ropes to move in the plastic straw mat opening direction. Double optimization of cost and space is achieved through structure optimization and flexible layout, in the aspect of equipment cost, the scheme abandons a huge reel which needs to be strictly matched with the size of a salt pond of traditional equipment, the design of scattered traction is adopted, core equipment only comprises a take-up roller, a traction rope and the like, in the aspect of site cost, the layout structure of the traction rope is compact, and the layout structure is compact. The take-up roller can be placed in parallel along the long edge of the salt pond so as not to affect road passage, and can also be placed in parallel along the short edge so that the motor can be away from high salt mist erosion of the salt pond.
Owner:TIANJIN TONGFENG INFORMATION TECH CO LTD

Passive depth sounding device

The application discloses a passive depth measuring device, which comprises a supporting assembly and a depth measuring assembly. When depth measurement is needed, the depth measuring rod in the depth measuring assembly is released, the depth measuring rod rotates around the supporting assembly, the free end of the depth measuring rod enters into the salt mine brine and contacts the bottom of the salt pond. Since the length of the depth measuring rod is relatively long, the depth measuring rod is in an inclined state. An angle sensor can monitor the rotating angle of the depth measuring rod, and the depth of the salt layer can be obtained after calculation. When the water mining machine sails, the free end of the depth measuring rod contacts the bottom of the salt pond. When the convex and concave parts on the bottom of the salt pond are encountered, the depth measuring rod can be released after relatively large elastic deformation and restore the original shape. The rotating angle of the depth measuring rod is monitored by using the angle sensor, the depth of the salt layer can be monitored in real time, the problem that the non-contact sensor cannot measure due to the fact that there are many suspended matters in the salt lake and the surface is easy to be salted is solved, and the working reliability of the depth measuring device is improved.
Owner:SDIC XINJIANG LUOBUPO POTASH CO LTD +1

Water balance control system and control method for primary brine refining device

PendingCN122352094ASaline waterElectrolysis
This invention relates to the field of ion-exchange membrane caustic soda production technology, specifically to a water balance control system and control method for a primary brine refining unit. The system includes a water distribution tank, a brine pump, a salt dissolving tank, a baffle tank, an intermediate tank, an inorganic membrane filter, a salt mud tank, a primary brine tank, and a DCS control system. This invention achieves closed-loop automatic balance throughout the entire primary brine refining process, from salt dissolving to the delivery of qualified primary brine. It eliminates human error and delays, reduces production fluctuations and even accident risks caused by human error or untimely response, and ensures the stability of key parameters such as brine concentration and flow rate, providing high-quality and stable raw brine for subsequent electrolysis processes.
Owner:TANGSHAN SANYOU FINE CHEMICAL CO LTD

Standby filtering and pipeline device for inlet saline water of sodium hypochlorite generator

The utility model discloses a sodium hypochlorite generator inlet saline water standby filtering and pipeline device, which comprises U-shaped frames and a filtering assembly, a plurality of U-shaped frames are symmetrically arranged on the inner wall of a salt pond, connecting parts are arranged on the sides of the U-shaped frames, the filtering assembly comprises a fixed frame, limiting parts are symmetrically arranged on one side of the fixed frame, and the bottoms of the limiting parts are connected to inner cavities of the U-shaped frames in a penetrating manner. An intercepting net is arranged on the outer side of the fixing frame, supporting parts are arranged on the opposite sides of the U-shaped frame and located at the bottom of the fixing frame, and a feeding part is arranged at the bottom of the fixing frame; the fixing frame with the intercepting net arranged on the outer side in the filtering assembly is fixed to the U-shaped frame through the limiting part and the supporting part, raw material saline water is introduced into the intercepting net through the feeding part, foreign matter in the raw material saline water is intercepted through the intercepting net, and compared with the mode that a feeding pipeline is directly arranged at the bottom of a salt pond, the filtering effect is better; according to the design, undissolved salt and impurities are prevented from being accumulated due to gravity to block the feeding pipe, and the subsequent electrolysis operation of the salt pond is not influenced.
Owner:CHANGSHA LANGLI WATER SUPPLY CO LTD

Treatment system for purifying waste salt crystals

The utility model discloses a treatment system for waste salt crystal purification, which relates to the technical field of waste salt resource recovery and comprises a salt bin, a conveying device, a slurry preparing, washing and separating device and a salt dissolving pond, the salt bin is used for storing waste salt, and the conveying device is arranged between the salt bin and the slurry preparing, washing and separating device. The conveying device can convey waste salt from the salt bin into the slurry preparing, washing and separating device, the slurry preparing, washing and separating device is arranged between the conveying device and the salt dissolving pond, the slurry preparing, washing and separating device can perform slurry preparing, washing and solid-liquid separation on the waste salt so as to obtain washed waste salt and washing brine, and the salt dissolving pond can receive the washed waste salt and pure water. The washed waste salt is dissolved in the pure water; according to the utility model, the waste salt crystal can be effectively purified.
Owner:HANGZHOU TIAN CHUANG ENVIRONMENTAL TECH

Salt pan unmanned aerial vehicle adaptive path dynamic planning method based on multi-source data fusion

The invention relates to the technical field of artificial intelligence, in particular to a salt pan unmanned aerial vehicle adaptive path dynamic planning method based on multi-source data fusion, which comprises the following steps: dynamically regulating and controlling the sampling density of an unmanned aerial vehicle inspection path based on meteorological data and an evaporation rate prediction model; taking the regulated and controlled sampling density as input, and performing optimization adjustment on unmanned aerial vehicle track point distribution in combination with change characteristics of a salt crystallization region in the multispectral image; taking the optimized track point distribution as input, and performing adaptive adjustment on the flight height of the unmanned aerial vehicle according to real-time wind speed and direction and ground surface humidity information; the adjusted flight height is used as input, the path re-planning priority is intelligently judged in combination with a difference fusion result of satellite remote sensing data and an on-site image, and the switching opportunity of a flight path and a monitoring mode is controlled according to night illumination intensity and a thermal imaging contrast threshold value; the problem of inconsistent monitoring precision in a traditional fixed sampling mode is effectively solved, and more accurate data support is provided for evaporation capacity measurement and calculation.
Owner:QINGHAI CITIC GUOAN SCI & TECH DEV CO LTD