21 results about "Evaporation pond" patented technology

The utility model provides an arid area saline-alkali land treatment structure, which is characterized in that saline-alkali land is divided into a plurality of planting areas and a saline-alkali water collection and treatment area, each planting area comprises a planting layer, a water drainage and salt guide layer, a permeation-resistant air layer and an original layer, and the water drainage and salt guide layers are respectively positioned at the upper part of the permeation-resistant air layer and inside the original layer; the drainage salt guide layer, the permeation-resistant gas layer and the original layer are all in an inverted V shape with the high middle and the low two sides, and the hydraulic gradient of the slopes on the two sides is 1%-2%. The saline-alkali water collecting and treating area is composed of an alkali discharge channel, a filtering and collecting tank, an electro-adsorption tank, a water storage tank and an evaporation tank, the alkali discharge channel comprises an alkali discharge channel slope, an alkali discharge channel bottom surface and a water level sensor, and the hydraulic gradient of the alkali discharge channel bottom surface is 3%-5%. A filtering and collecting tank, an electro-adsorption tank, a water storage tank and an evaporation tank are arranged at the lowest-gradient end of the bottom surface of the alkali discharge channel. According to the utility model, a planting area layered improved structure is combined with a saline-alkaline water collection, treatment and storage integrated structure, so that the salt content of soil is reduced, and the recycling of saline-alkaline water is realized.

An evaporating system for evaporating liquid in an evaporation pond is provided. The system includes a body having a bottom portion configured to be situated inside the liquid in the pond and an upper portion extending upward outside the liquid; at least one conveyor mounted on said body and including an evaporation surface, the conveyor is configured to move the evaporation surface along a rotary path extending between the bottom portion and the upper portion; wherein the evaporation surface includes a mesh having a plurality of pores each of which configured to entrap a droplet of liquid; and wherein the conveyor is configured to continuously rotate the evaporation surface along the rotary path, between the bottom portion in which pores entrap droplets of liquid from the evaporation pond and the upper portion such that the droplets evaporate when traveling along the rotary path.

This invention discloses a solar greenhouse salt-making device, specifically relating to the field of salt production technology. It includes an evaporation tank, a translucent top cover, capillary suction blocks, and a fan. The translucent top cover is detachably connected to the evaporation tank and completely covers its opening. An inlet pipe is located at the end of the evaporation tank furthest from the top cover, allowing brine to enter the tank. The capillary suction blocks are placed inside the evaporation tank, with their bottoms submerged in the brine. The capillary action of the blocks causes the brine to move to their top. A ventilation hole is located on the side wall of the evaporation tank near the top cover, situated at the top of the capillary suction blocks. A fan is fixedly installed within the ventilation hole and electrically connected to a wind power generation device. This invention improves brine evaporation efficiency, shortens the salt-making production cycle, and increases economic benefits.

The utility model discloses a treatment device for high sulfate radical wastewater, and relates to the technical field of wastewater treatment. The device comprises a filter tank and an evaporation tank, a separation assembly is arranged in the evaporation tank, and a recovery assembly is further arranged in the filter tank; the partition assembly comprises a plurality of partition plates fixedly connected into the evaporation pond at equal intervals, and a water inlet pipe penetrates through the center of the surface of each partition plate. According to the utility model, the internal space of the evaporation pond is divided into a plurality of layers through the partition plates, and high sulfate radical wastewater is uniformly distributed in each layer of space through the water inlet pipe and the water outlet shell to be evaporated and crystallized, so that the liquid level height of the wastewater is reduced, the evaporation rate of the wastewater is increased, and the problem that the existing evaporation rate is slow is solved; meanwhile, tail gas of the evaporation pond is guided into the recovery pipe through the flow converging device, the tail gas is guided into the filtering pond through the recovery pipe, waste heat is used for preheating the high-sulfate-radical wastewater, and the problem that existing waste heat is not convenient to recover is solved.

This disclosure relates to a seawater desalination method and corresponding seawater desalination products, belonging to the field of seawater desalination technology. The seawater desalination method includes: real-time acquisition of environmental parameters of a hot water storage tank used for heating stored seawater, the temperature of a phase change thermal storage temperature control layer corresponding to the phase change thermal storage temperature control layer disposed on the outside of the hot water storage tank, and the outlet temperature corresponding to the outlet of the hot water storage tank; determining the heating mode of the hot water storage tank based on the environmental parameters, the temperature of the thermal storage temperature control layer, and the outlet temperature; in the heating mode, obtaining air-condensed freshwater using a membrane humidifier connected to the outlet and a condenser connected to the membrane humidifier; and transporting the seawater discharged from the membrane humidifier to an evaporation tank to obtain seawater condensed freshwater. Embodiments of this disclosure can achieve seawater desalination.

The invention belongs to standard test gas generation devices, and particularly relates to a stable-airflow multi-volatile organic compound standard gas generation device and method.The device comprises a plurality of horizontal-flow type evaporation ponds which are connected in parallel, and evaporation pond bodies in the horizontal-flow type evaporation ponds are of continuous U-shaped groove structures; comprising an organic matter liquid tank and a continuous airflow channel, a water / oil bath heater is used for generating VOC gas saturated steam, the concentration of the volatile organic compound saturated steam is controlled in a water / oil bath temperature control mode, and volatile organic compound gas to be diluted with controllable concentration, temperature and flow is finally formed through conveying of the continuous airflow channel; synthetic air conveyed by the synthetic air supply device and a plurality of to-be-diluted volatile organic compound gases enter the gas collecting row and are discharged through the discharge pipeline, and a mass flow controller, a temperature sensor and the like are arranged in the process to control the dilution ratio, the carrier gas flow and the gas flow temperature of the plurality of VOC gases.

This invention provides an evaporation tank for wastewater treatment and a method for preparing lithium carbonate, relating to the field of wastewater treatment technology. An evaporation tank for wastewater treatment includes: a tank body, on which an injection pipe and a discharge pipe are respectively provided, and a heat-absorbing evaporation plate is fixedly installed inside the tank body; a condenser hood, the bottom of which covers the top of the tank body, the condenser hood having through holes, and a drainage groove fixedly installed inside the condenser hood. A method for preparing lithium carbonate includes the following steps: Step S1, introducing raw brine into the evaporation tank for wastewater treatment, where the evaporation tank evaporates and concentrates the brine to obtain concentrated brine. The heat-absorbing evaporation plate and the heat exchange pipe not only improve the efficiency of wastewater evaporation but also improve the condensation efficiency of water vapor on the inner wall of the condenser hood after evaporation. The condensed water can be recycled into a water circulation tank, realizing the recycling of water resources.

The invention discloses a high-concentration salt wastewater evaporation pond identification and supervision method based on hyperspectral remote sensing. The method specifically comprises the following steps: acquiring hyperspectral remote sensing image data of a target area; a2, preprocessing the hyperspectral remote sensing image data to eliminate atmospheric and topographic influences, utilizing hyperspectral data with hundreds of continuous wavebands to finely capture unique spectral characteristics of the high-concentration salt wastewater, effectively distinguishing the high-concentration salt wastewater from common water, soil and other ground features, greatly improving the accuracy and reliability of evaporation pond identification, and improving the identification accuracy and reliability of the evaporation pond. The method is advantaged in that misjudgment and missed judgment are reduced, through automatic comparison and analysis of multi-temporal data, abnormal changes of the evaporation pond in area, shape or spectral characteristics can be timely discovered, an early warning mechanism is automatically triggered based on a preset threshold value, crossing from static identification to dynamic supervision and from post-event disposal to pre-event early warning is realized, and the method is advantaged in that the early warning efficiency is improved. And the response speed and initiative of environment supervision are greatly improved.

The embodiment of the invention provides a method, device and equipment for determining the net evaporation area of an evaporation pond and a storage medium, and relates to the technical field of wastewater treatment. The evaporation pond is provided with a rainwater control device, the rainwater control device is used for shielding the evaporation pond to prevent rainwater from entering the evaporation pond when the rainwater control device is in an open state, and the method comprises the steps that a precipitation reduction coefficient is determined according to the structure of the rainwater control device; wherein the precipitation reduction coefficient is inversely proportional to the shielding effect of the rainwater control device on the rainwater; determining the net evaporation area of the evaporation pond according to the preset area parameter and the precipitation reduction coefficient of the evaporation pond; wherein the preset area parameters comprise the annual total inflow amount, the annual average evaporation amount and the annual average precipitation amount which are planned to be discharged into the evaporation pond and a preset evaporation reduction coefficient, and the net evaporation area of the evaporation pond is used for design of the evaporation pond. The method is used for achieving the effects of reducing the influence of the real rainfall on the net evaporation area of the evaporation pond, improving the design rationality of the evaporation pond and the like.

The utility model discloses an indoor evaporation test device which comprises an evaporation pond, a communicating vessel mechanism, a water level probe, a water inlet pipe, a water outlet pipe, an overflow pipe, a water injection control system, a flow meter and the like. The evaporation pond is a container with the completely-open upper end, a water level probe is arranged on the outer side face of the evaporation pond and connected with an inner cavity of the evaporation pond through a communicating vessel mechanism, and it is guaranteed that the water level of the evaporation pond and the measurement result of the water level probe keep synchronous. The water inlet pipe is provided with an overflow pipe and a water inlet valve, the water injection rate is controlled through the water inlet valve, and the water level is within a set range. According to the indoor evaporation test device, the water level and the water inflow are automatically adjusted through the intelligent control system, a stable experimental environment is provided, the accuracy, repeatability and reliability of evaporation capacity measurement are effectively improved, and the indoor evaporation test device is widely applied to the fields of water resource management, climate change research and the like.

Methods for extracting lithium from brines may include evaporating at least a portion of a brine using a number of one or more solar evaporation ponds to form a first slurry. A first solid may be separated from the first slurry and combined with an amount of a first precipitation additive to form a second slurry. A first liquid may be separated from the second slurry and at least a portion of the first liquid may be evaporated in a solar evaporation pond to form a third slurry. A second liquid may be separated from the third slurry and combined with an amount of a second precipitation additive to form a fourth slurry. A second solid may be separated from the fourth slurry and rehydrated, forming a fifth slurry. About 90 wt % or more of a salt in a solid product separated from the fifth slurry may be lithium carbonate.

Seawater desalination or deionization of water by sunlight, characterized in that the seawater desalination plant comprises an evaporation basin with seawater, the bottom of which is lined with a black (e.g. pond) absorber foil.

A method of extracting water-soluble minerals from an arid location includes identifying or establishing a channel of flowing water at the arid location, and installing a mat containing seeds, and / or seedlings, and a super absorbent polymer (SAP). A perforated, transparent cover sheet is placed on or above the mat. Water is applied to the SAP, such that both edible and dam-constructing vegetation grows and matures from the mat. Beavers are introduced into the arid location, which eat the edible vegetation and use the dam-constructing vegetation to construct a dam that blocks the channel, thereby flooding a region proximate the channel. After the flood water has dissolved the minerals in the flooded region, it is drained and processed to extract the minerals. The drained water can be remotely processed, or directed to an evaporation pond, where the minerals remain while the water is evaporated, recaptured, and reintroduced into the channel.

The present application relates to the technical field of highway drainage facilities, and discloses a ditch type evaporation pond and a construction method, which comprises a ditch, the ditch is widened on the side away from the roadbed to form a ditch type evaporation pond, grass planting bricks are laid on the inner bottom surface of the ditch type evaporation pond and the side away from the roadbed, the grass planting bricks are provided with holes to enhance the underwater infiltration capacity, a check dam is arranged in the ditch type evaporation pond at intervals along the length direction at a certain distance, and inspection steps are arranged on the water inlet side of the check dam; the original ditch is modified, the side slope of the ditch away from the roadbed is excavated, the original ditch is widened, the ditch is fully utilized, and compared with separately arranging an evaporation pond, the newly added land occupation is reduced; the original ditch position can be directly modified, the land occupation line of the ditch type evaporation pond is linear, continuous and smooth, has little influence on local land planning, has a wide application range, and can be used in the setting of the ditch road section regardless of the terrain.

The invention provides a salt lake self-flow air pressure water diversion system and method. The water diversion system comprises a self-flowing pipe, a water collecting well, an air pump, a water storage well and a control system, the top face of the water collecting well is lower than the water surface of the salt lake, one end of the self-flowing pipe is immersed in the salt lake, the other end of the self-flowing pipe turns over the embankment of the salt lake and extends into the water collecting well, and the water inlet end, located in the salt lake, of the self-flowing pipe is higher than the water outlet end located in the water collecting well. An electric cut-off valve is arranged on an inlet of the self-flowing pipe; the air pump is used for injecting high-pressure gas into the water-collecting well or extracting gas from the water-collecting well; the bottom surface of the water storage well is higher than the water surface of the salt drying pond, the water collecting well is communicated with the top of the water storage well through a water guide pipe, a water conveying pipe leading to the salt drying pond is arranged at the bottom of the water storage well, and an outlet electric water stop valve is arranged on the water guide pipe. Brine is extracted according to the low-liquid-level water self-flowing principle and the high-pressure air water pressing principle, a water pump is not used for pumping, pump blades are prevented from making contact with brine crystals, then pump faults are reduced, the water pumping cost is reduced, and the water pumping efficiency is improved.

The utility model discloses a high-precision telescopic water surface evaporation capacity measuring device, which belongs to the technical field of water surface evaporation capacity measuring devices, and comprises a base, a master controller, a measuring cylinder, an evaporation pond and a linkage measuring mechanism, a pulley is fixed at the edge of the base, a hard communicating pipe is arranged between the measuring cylinder and the evaporation pond, and the hard communicating pipe is connected with the master controller. The bottom of the side wall of the measuring cylinder and the bottom of the side wall of the evaporation pond are communicated through a hard communicating pipe, a telescopic push rod is horizontally fixed to the upper surface of the base, the right side of the telescopic push rod is horizontally connected with a master controller, a photoelectric liquid level sensor is arranged on one side of the base, and the linkage measuring mechanism is arranged in the measuring cylinder. According to the high-precision telescopic water surface evaporation capacity measuring device, the innovative linkage measuring mechanism and the photoelectric liquid level sensor work cooperatively, so that the high-precision telescopic water surface evaporation capacity measuring device realizes high-precision water surface evaporation capacity measurement, and is suitable for the fields of meteorological observation, hydrological research and the like.

The utility model relates to the field of water treatment equipment, and discloses a water treatment low-temperature evaporation device which comprises an evaporation pond, a platform plate is arranged at the top of one end of the evaporation pond, a partition plate of an L-shaped structure is arranged at the bottom of one section of the platform plate, the partition plate divides the interior of the evaporation pond into a filtering bin and a water storage bin, a mesh plate is arranged in the filtering bin, and the mesh plate is connected with the water storage bin. The bottom of the side face of the partition plate is connected with a diffusion pipe through a guide pipe, and an aeration pipe is installed at the bottom in the water storage bin. According to the utility model, the treatment time can be obviously shortened through aeration, the water surface can be prevented from freezing, the continuous evaporation is ensured, the release of peculiar smell is reduced, and the surrounding environment is improved; and the high-pressure spraying pump atomizes and sprays water, evaporation is further accelerated, energy consumption is reduced, and practicability is high.

The present application belongs to control method, specifically relates to a kind of in-situ leaching mine evaporation pond liquid level alarm and automatic control method.A kind of in-situ leaching mine evaporation pond liquid level alarm and automatic control method, comprising the following steps: step 1, making installation liquid level pole body;Step 2, install sensor;Step 3, sensor connection;Step 4, control execution;Step 5, install PLC or single-chip microcomputer system, wiring debugging;Step 6, control center accesses relevant signal.The present application has the following remarkable effects: at the same time, three kinds of automatic linkage system of liquid level are established, and automatic control and liquid level alarm can be realized.

This invention discloses a method for seawater desalination based on solar energy distillation, belonging to the field of seawater desalination technology. The method involves injecting pretreated seawater into an evaporation tank, where it remains stationary. A convex lens above the evaporation tank focuses sunlight to form a spot, which passes through a light-transmitting enclosed cover and illuminates a high-thermal-conductivity metal heat-absorbing plate inside the evaporation tank, heating it to 400–600°C. A small amount of seawater in the evaporation tank is then lifted to the surface of the heat-absorbing plate using capillary adsorption, forming a thin liquid film of 0.5–2 mm. Upon contact with the high-temperature surface, the liquid film undergoes flash evaporation, generating water vapor. The water vapor condenses into fresh water on the inner wall of the light-transmitting enclosed cover and is collected. When the seawater in the tank is concentrated to 1 / 5–1 / 3 of its original volume, brine and impurities are discharged, and the process is repeated for the next cycle. This invention effectively solves the technical problem of heat loss during focused heating, preventing the formation of effective boiling. Using solar energy as a heat source, it achieves green seawater desalination with zero energy consumption and zero carbon emissions. The process is simple and easy to promote.

The invention provides a salt lake brine evaporation efficiency improving system and method based on mirror reflection. The system comprises a reflecting mirror array and a brine evaporation pond, the reflecting mirror array is arranged on one side of the brine evaporation pond, the reflecting mirror array is formed by linearly arranging a plurality of groups of reflecting units along the brine evaporation pond, and each group of reflecting units is fixed on the ground close to the brine evaporation pond through an angle adjusting frame; the angle adjusting frame is arranged on the back of the reflector array, and the reflecting surface of the reflector array is provided with the brine evaporation pond; the angle adjusting structure comprises a supporting stand column, a rotating mechanism and a motor positioning device. According to the system, the unilateral mirror field layout and the function partition design are adopted, the evaporation efficiency of salt pan brine is improved through the dual effects of reflection enhancement and heat energy time shifting, the advantages of low energy consumption and easy maintenance of a traditional salt pan process are reserved, the production period can be remarkably shortened, the evaporation efficiency is improved, and the system operation stability is improved; and efficient utilization of solar energy is realized.

The invention discloses a saline water desalination treatment device based on a container type solar power generation bin, which comprises a fresh water bin, an evaporation chamber and a filter chamber, the evaporation chamber comprises an evaporation pond and a condensation collection cover body arranged at the top of the evaporation pond, a multi-stage reverse osmosis membrane tank body is arranged in the filter chamber, a fresh water pipe and a concentrated water pipe are arranged in the filter chamber, and the concentrated water pipe is communicated with the evaporation chamber. A fresh water outlet is formed in the condensation collecting cover body and is connected with a fresh water pipe on the filtering chamber through a pipeline, the fresh water bin is connected with the fresh water pipe, a double photovoltaic evaporation assembly is additionally arranged and comprises a packaging folding type photovoltaic unit and a photovoltaic thin film distillation unit, and the photovoltaic thin film distillation unit is matched with the packaging folding type photovoltaic unit. A saline water source of the filter chamber is driven by pumping, and a fresh water irrigation assembly is distributed on the fresh water bin. The integrated folding type photovoltaic unit can complete large-area photovoltaic laying, cooperative work is achieved, a water pump is driven by solar energy to convey salt water and strengthen the desalination process, and tight combination of energy self-sufficiency and efficient utilization of water resources is achieved.