98 results about "Solar pond" patented technology

The large-scale green power, pure chilled, heated water and/or conditioned directed air are produced using wind, heat and vapor of the free humid air in the structured multi-unit space-saving vortex tower providing direct three-phase voltage induction with alternating magnetic whirl formed by pole radial self-orienting magnetic concentrators swirled via all-weather multi-step tornado-like flow supplementary energized, enhanced and controlled by a spatial system of fast directing and accelerating low-temperature steam jets injected through fleshing of recycled, separated and stored condensate slightly heated with any renewable, waste, secondary, or prime source of low-temperature heat, partly via combining with solar pond and heaters or/and geothermal media, or/and waste, secondary or initial heat of large thermal, atomic power plant or intensively energy consuming industry, reducing specific investment, energy and pure water costs, quality requirements, specific pollution and waste heat atmospheric injection, with possibilities of partial local weather corrections through conditioned directed waste tower air; a new sector with various directions can be widened, based on applying of the same principles of energizing, enhancement, control and usage of any kind of fast gaseous confined vortex flow via any kind of supplementary low-temperature steam

The invention relates to a technique for desalting sea water, making salt and comprehensively using by-products thereof by utilizing wind energy, solar energy and heat pump technologies, the main procedures comprise desalting sea water, air-blowing bromine, removing impurities for clarification, heating solar pond and storing halogen, evaporating for concentration, compressing and crystallizing for salt making, brine chemical engineering, etc. the invention desalts sea water, makes salt and comprehensively uses by-products thereof by utilizing wind energy, solar energy and heat pump technologies, organically combines sea water desalting, salt making and comprehensive use of dregs and waste liquor, takes wind energy, solar energy and other renewable energy resources as main energy sources, changes sea salt production from drying on beach in the open air manually to mechanized and automated operation, puts an end to the backward state of sea salt enterprises, can save energy consumption and reduce pollution, can save investment by about 50% and occupied area by 95%, not only lowers production cost, but also recovers 35m<2> of fresh water by producing one ton of salt, thus protecting fresh water resource.

The invention discloses an effective heat utilizing method of an unsaturated solar pool which comprises a solar pool; the effective heat utilizing method includes the following steps of: 1) paving an anti-seepage layer, 2) paving a film layer, 3) filling a lower convection area, 4) filling a non-convection area, and 5) filling an upper convection area. The invention also provides another effective heat utilizing method of the unsaturated solar pool which comprises the solar pool; the effective heat utilizing method includes the following steps of: 1) arranging capsules, 2) filling the lower convection area, 3) filling the non-convection area, and 4) filling the upper convection area. The invention relates to a safe and effective method for collecting and storing heat of the unsaturated solar pool and can basically meet the temperature control demands of the operation water for the seedling culture field of the littoral zone in winter and spring.

The invention relates to a solar pond heat collection heating system, comprising a solar pond, a water manifold, a water inlet pipeline and a water outlet pipeline, wherein the bottom of the solar pond is connected with the inlet of the water manifold, the outlet of the water manifold is connected with the water inlet pipeline, the water inlet pipeline is connected with the inlet end of user indoor heating equipment, the outlet end of the user indoor heating equipment is connected with the water outlet pipeline, and the water outlet pipeline is communicated with the solar pond. The solar pond heat collection heating system is reasonable in design, simple in structure, convenient to mount, energy-saving and environmental friendly and is low in investment; and the solar pond heat collection heating system utilizes solar energy as the heat source, realizes the processes of automatic heat absorption, heat storage and heat release, facilitates realizing energy conservation and emission reduction in rural areas and is suitable for household independent or centralized heating, and further, the problems that more energy sources are wasted in rural areas, equipment is under-developed, the current heating status in rural areas is simplex, and no central heating is available in some regions (south China) are solved.

The invention discloses a solar pond type solar sludge drying system and a sludge drying method thereof. The solar pond type solar sludge drying system comprises a solar pond module and a sludge drying module; the solar pond module comprises a solar pond heat storage and exchange part and a distribution control part; the solar pond heat storage and exchange part comprises a solar pond (1) which isused for absorbing sunlight and converting the sunlight into heat energy, a photovoltaic cell (2), a heat exchanger (3) and a phase change heat storage box (4); the phase change heat storage box (4)is used for storing excessive heat energy or outputting the heat energy outwards through the closing and opening of a first valve (18) or a second valve (19); and a sludge drying chamber (5) comprisesan air inlet (25) for inputting hot air produced by the heat exchanger (3) through an air blower (20), a sludge inlet (26) which is used for inputting sludge to be dried, an air outlet (27) which isused for exhausting the hot air, and a sludge outlet (28) which is used for discharging dried sludge.

The invention relates to a system for comprehensive utilization of concentrated seawater by using a solar pond. The system comprises a solar pond part and a seawater desalination part, wherein the concentrated seawater is conveyed to the solar pond part, and the seawater desalination part desalinates seawater by adopting a distillation method; the seawater in the solar pond part is subjected to salt gradient exchange for 1-2 months, then the seawater of a lower convection layer is introduced into a bottom heat exchanger, the bottom heat exchanger performs heat exchange with the seawater desalination part, and fresh water obtained by the seawater desalination part is respectively injected into a fresh water pond and an upper convection layer of the solar pond. The solar pond is combined with the seawater desalination part to realize effective utilization of the energy source of the solar pond, so that an energy source for distillation method seawater desalination is provided, the cost for seawater desalination is reduced, the fresh water and concentrated seawater passing through the seawater desalination part are treated and then can be used as supplemental water of the solar pond and a water supply for salt industry production, the effective utilization of energy and water resources is realized to the utmost extent, and the running cost of the system is reduced.

Disclosed is an energy storage structural system of a building roof. The energy storage structural system comprises a structural layer, a leveling layer, a thermal insulation layer, a cement mortar screeding layer, a base primer layer, a water-proof coiled material layer, an isolating layer, a roof protecting layer, a solar pond supporting structure layer, a solar pond, a water replenishing unit and a fresh water pond. The energy storage structural system of the building roof has the advantages that the solar pond and a roof structure are combined, so that advantages that the solar pond is simple in structure, low in cost and easy to popularize on the aspect of building energy saving are achieved, the space of the building roof can be fully utilized, and the land resources are saved. A whole building roof system can absorb and store solar energy by the aid of the solar pond device, has the advantages that the cost is low, the environment is not polluted and the operability is high, and has excellent application prospects.

A soft, flexible, solar pool heater for floating on water generally comprises independently inflatable outer ring and central portion. When chamber and cavity are inflated, the cavity is with the top and bottom planes of the ring. The ring can be inflated with water for holding the heater in a pool in winds. Holes through the central portion permit egress of air from under the central portion when the heater is placed on water. Valves for chamber and cavity are located near one edge such that the heater may be deflated by rolling from an edge opposite the valves. Magnets on the ring condition water and attach to similar floating heaters to form rafts.

The invention discloses a seawater source heat pump air conditioning system for solar assisted heating. The seawater source heat pump air conditioning system includes a semi-open warm seawater circulation system and a heat pump system. The semi-open warm seawater circulation system comprises a seawater pump, a solar pond 2, a solar collector 3 and a degasser 4. The heat pump system includes a water pump 7, an evaporator 8, a compressor 9, a four-way valve 10, a condenser 11 and a throttle valve 12. The system can be used for cooling in summer and heating in winter and is adjusted by the use of the valve. The main features of the invention are that at the time of heat supply in the winter, the solar collector and the solar pond are used for heating the seawater twice, the temperature of low-temperature heat source (seawater) of the heat pump system is increased, therefore the efficiency of seawater source heat pump system is improved, and the energy is saved, and so forth.

The invention belongs to the technical field of solar collecting systems and thermal power generation, and relates to a photo-thermal power generation device using solar energy. The photo-thermal power generation device comprises a solar pond, a cover plate, a salt solution and a thermal power generation device. The cover plate is arranged at the top of the solar pond, the thermal power generation device is arranged at the bottom of the solar pond, and the salt solution is contained in the solar pond. The salinity of the salt solution is increased from top to bottom and is distributed in a gradient mode, and a photo-thermal energy storage system with an upper convection zone (UCZ), a non-convection zone (NCZ) and a lower convection zone (LCZ) is formed. The solar pond and a power generation system are combined, the advantages of the simple structure and low manufacturing price of the solar pond are brought into play, the use ratio of the solar energy is increased, and the photo-thermal power generation device can be used fully in the aspects of lighting and the like. The photo-thermal power generation device absorbs, stores and uses the solar energy, has the advantages of being low in price, free of environment pollution, high in operability and the like and has excellent application prospects.

The invention discloses a low-temperature-difference solar energy and ocean energy combined power generation system, comprising a wave energy power generation device, a solar pond, a flash evaporator, a low-temperature turbine, a first power generator, a heat-accumulation boiler, a high-temperature turbine, and a second power generator, which are connected in sequence. The low-temperature-difference solar energy and ocean energy combined power generation system further comprises a first condenser connected with the low-temperature turbine and a second condenser connected with the high-temperature turbine, wherein the first condenser and the second condenser are provided with a same condensate source. According to the low-temperature-difference solar-energy and ocean-energy combined power generation system, the heat-accumulation boiler is additionally arranged to covert surplus power generated during off-peak power consumption into high-temperature heat energy to be stored and convert high-temperature heat energy generated in a power consumption peak period into electric energy to be used, so that the requirements of a storage battery are reduced, the cost is reduced, the stabilityis enhanced, and the service life of the system is prolonged; meanwhile, the power generation system can be comprehensively utilized on the aspects of desalination, refrigeration, cultivation and thelike, and can be used for generating favorable economic benefits while meeting requirements on production, living and coast defence.

The invention provides a method for adding a latent heat accumulating layer at the bottom of a heat storage layer of a salt gradient solar pond, provides the salt gradient solar pond for continuously supplying a lot of heat supply quantities in an effective heat exchange temperature range, and achieves the purposes of guaranteeing stability of a gradient layer and greatly increasing the heat accumulating quantity of the heat storage layer. The salt gradient solar pond consists of three layers from top to bottom: the uppermost layer is an upper convection layer consisting of fresh water; the middle layer is a salt gradient layer with gradually increased salinity from top to bottom; and the lowermost layer is the heat storage layer mainly consisting of strong brine; the lower half part of the heat storage layer is the latent heat accumulating layer; the latent heat accumulating layer is a heat accumulating layer with a phase change material, is positioned in the heat storage layer, and is horizontally spread at the bottom of the heat storage layer; and the phase change material in the latent heat accumulating layer generates solid-liquid phase change in use.

The invention relates to a novel dual-purpose power and water plant ocean energy comprehensive utilization system. The novel dual-purpose power and water plant ocean energy comprehensive utilization system comprises a solar pond, a warm seawater tank, a flash chamber, an evaporation chamber, a steam turbine, a first power generator, a condenser, a cold water pump, a fresh-water tank, a vibration floater, a hydraulic conversion device, a hydraulic motor, a second power generator, an energy storing device and a warm water pump; the solar pond is divided into an upper stratosphere, a non-troposphere and a lower troposphere; the vibration floater, the hydraulic conversion device, the hydraulic motor and the second power generator form a wave power generation device; the warm seawater tank, the flash chamber, the evaporation chamber, the steam turbine and the first power generator form a thermoelectric power generation system; the wave power generation device provides electric energy for the water pump of the thermoelectric power generation system; and the water inlet temperature of the thermoelectric power generation system is increased through the solar pond. By means of the novel dual-purpose power and water plant ocean energy comprehensive utilization system, multiple energy resources are comprehensively used, fresh water is generated during power generation, energy consumption for thermoelectric power generation is reduced, dependence of the system on external energy is reduced, and the comprehensive benefits of the system are improved.

The invention discloses a method for preparing a salt from brine in a solar pond. The method comprises the following technical steps: establishing the solar pond, realizing the heat-absorption operation of the solar pond, extracting the hot brine and preparing the salt from the hot brine in a flash evaporation manner, namely sequentially injecting salina brine, desalted concentrated seawater and fresh water into a solar pond device at a ratio of 0.5:0.4:0.1; drying the solar pond injected with the water in the sun; extracting the hot brine from one side of the solar pond after the temperature at the bottom in the solar pond reaches more than 70 DEG C; crystallizing the extracted hot brine in a closed evaporator in the flash evaporation manner so as to obtain a salt product. The salina brine, the desalted concentrated seawater and the fresh water are taken as working media for the solar pond, so that the cost of raw materials is low. Thus, the energy consumption during salt preparation is greatly decreased and the precious land resource is saved. The brine preparing period is shortened by preparing the salt via the evaporator, so that the quality of the salt is greatly improved. Thus, the method for preparing the salt from the brine is environmental-friendly, low in cost, simple and convenient in operation and strong in practicability.

The invention relates to a solar saline water desalination and comprehensive utilization system and method. At present, the solar saline water desalination and comprehensive utilization method needs to be urgently searched, and the utilization efficiency of energy sources and the economical efficiency of projects are improved. The solar saline water desalination and comprehensive utilization system comprises a solar pond and is characterized by further comprising a reverse osmosis tank, an electroosmosis tank, a solar distillation tank, a solar cell assembly and a booster pump; the reverse osmosis tank is connected with the solar pond through a pipeline; the booster pump is mounted on the pipeline between the reverse osmosis tank and the solar pond; the electroosmosis tank is connected with the reverse osmosis tank through a pipeline; the solar cell assembly is connected with the booster pump, the reverse osmosis tank and the electroosmosis tank respectively; the solar distillation tank is connected with the solar pond, the reverse osmosis tank and the electroosmosis tank respectively through pipelines. According to the solar saline water desalination and comprehensive utilizationsystem and method, various saline water desalination technologies and solar energy resources are sufficiently utilized, energy consumption is reduced, the production of freshwater is increased and theeconomic feasibility of the project is improved.

The utility model discloses a solar pond device comprising a pond, a plurality of support columns, a plurality of water pipes and a water supply header pipe, wherein the pond is used for containing bittern; the lower ends of the plurality of support columns are respectively fixed at the bottom of the pond; the plurality of water pipes are arranged horizontally and are respectively supported at the upper ends of the plurality of support columns, each water pipe is provided with a plurality of water holes which are positioned above a horizontal plane where the central axes of the water pipes are arranged and the inclined angle alpha formed by the opening direction of the water holes and the horizontal direction ranges from 0 degree to +180 degrees; and the water supply header pipe is respectively communicated with the plurality of water pipes. In the solar pond device, the plurality of water pipes which are arranged horizontally and respectively supported at the upper ends of the plurality of support columns are used for supplying fresh water to the position above the bittern level to form a stable fresh water layer. The distribution of the plurality of water pipes ensures that water can be poured from multiple positions above the bittern water level simultaneously to avoid disturbing the bittern solution below.

The invention relates to a solar pond lithium extraction method, belongs to the technical field of carbonate type salt lake lithium extraction, and solves the problem that the lithium yield of methodsusing carbonate type salt lake high-Li<+> and low-CO3<2-> brine as raw materials and using a traditional solar pond heating lithium precipitation method is low. The disclosed method comprises the following steps: step 1, injecting a Na2CO3 saturated solution into the bottom of a solar pond to obtain a salt gradient solar pond of which the bottom is a mixed solution of the Na2CO3 saturated solution and a lithium-rich brine; step 2, completely separating out lithium carbonate in the salt gradient solar pond after injecting the Na2CO3 saturated solution into the bottom of the salt gradient solarpond; and step 3, implementing bittern discharging operation, and collecting the lithium carbonate mixed salt. The method is suitable for all solar ponds, is easy to operate, is economical and environment-friendly, and can greatly improve the yield and grade of lithium carbonate mixed salt in a single pond.

An apparatus and method for the desalinization of salt water utilizing a humidity chamber under partial vacuum and a water collection structure to collect fresh water product. Saltwater having a first temperature and cooling water contained in a condenser having a second temperature lower than the first temperature are introduced into the humidity chamber via a solar powered vacuum pump. A temperature gradient created by a difference in temperature between the saltwater and cooling water in combination with a partial vacuum (e.g., 10-20%) created by a solar powered vacuum pump is used to distill salt-free water from the saltwater with high efficiency. The temperature gradient is created in part by the use of a salinity gradient solar pond. The salt-free water is obtained by condensation of the water on a collection surface cooled by the cooling water followed by collection of the water in a storage apparatus.

The invention discloses an ocean temperature difference energy power generation and comprehensive utilization system which comprises a warm seawater pump, a cold seawater pump and a solar pond. The power generation power circulating device comprises a power generation evaporator, a vapor-liquid separator, a first-stage turbine, a second-stage turbine, a power generator, an ejector, a condenser for power generation, a working medium pump, a low-temperature heat regenerator and a high-temperature heat regenerator. The absorption refrigeration device comprises a refrigerant loop and an absorbent loop; the flash evaporation type seawater desalination device comprises a main loop and a pressure stabilizing loop, and the seawater preheater for desalination is placed in the solar pond to preheat a flash evaporator to feed water; a planting area; a flow channel for realizing heat exchange between the soil and the three paths of mixed cold drained water and realizing temperature regulation is arranged in the soil of the planting area; marine ranching; a pipe network for regulating and controlling the temperature of the marine ranch is arranged in the marine ranch; the arrangement of the comprehensive utilization system is simplified, the utilization rate of the cold seawater is improved, and the power consumption of the cold seawater pump is reduced.

The invention relates to an intelligent heating, water control and ventilation solar greenhouse. The intelligent heating, water control and ventilation solar greenhouse is mainly composed of an intelligent control panel, a timer, an energy storage case, a temperature display unit, a greenhouse body, a solar pond, ventilating windows, a driving switch and a greenhouse support frame. The upper end of the greenhouse body is provided with the solar pond which is electrically connected with the energy storage case; the greenhouse body is also provided with the greenhouse support frame in a hinged mode; the greenhouse body is also provided with the ventilating windows which is provided with the driving switch in an electrically connected mode; the intelligent control panel is provided with the timer which is electrically connected with a water pipe; one side of a door is provided with the temperature display unit, and the door is provided with a ventilating passage. The intelligent heating, water control and ventilation solar greenhouse has the advantages of being capable of supplying power inside the greenhouse body through solar energy and timely spraying water at different temperatures onto edible fungus according to air temperature.

The invention discloses a low temperature exhaust heat storage system with combined heat and power generation. The low temperature exhaust heat storage system with combined heat and power generation comprises a combustion gas turbine; a gas-gas heater connected with the combustion gas turbine; a steam turbine with a steam boiler being connected with the gas-gas heater; a solar pond connected withthe steam boiler; a condensate water heat exchanger connected with the solar pond, the gas-gas heater and the combustion gas turbine; a cooling tower connected with the condensate water heat exchanger; a heat exchanger with the solar pond; and an absorption refrigerator connected with the heat exchanger. According to the low temperature exhaust heat storage system with combined heat and power generation provided by the invention, the industrial low temperature exhaust heat recovery and the solar heat utilization are combined; and the solar pond is used as a long-acting heat storage mechanism,so that the stability of a heat source is improved, and the temperature fluctuation is small compared with a traditional exhaust heat recovery heat source.

A solar pond aerator comprises a solar air heating bin, a metal water-cooled tube, an air inlet switch, an air outlet switch, a floating valve and the like. The solar air heating bin can use solar energy to directly heat air. The metal water-cooled tube and the solar air heating bin are communicated and then are arranged in water. The metal water-cooled tube cools the air, so that the size of the air decreases, then external air is sucked in, the air sucked in is heated by the solar air heating bin, the size increases, and the air with the increased size is automatically injected into the water in a pond. According to the solar pond aerator, the heat energy of sunlight is utilized to directly heat the air to produce power for air flow, the solar energy is high in transformation efficiency, the structure is simple, the investment is little and the capacity for resisting natural disasters is large.

A Salinity Gradient Solar Pond (SGSP) has saturated salt water in the bottom zone of the pond and nearly fresh water at the top zone, with a gradient zone between the top and bottom. Due to this salinity stratification the upward diffusion of salt is a natural consequence in SGSP's. Controlling the salinity gradient in SGSP systems is vital to their reliable operation. The method for controlling the salinity gradient disclosed in this application, coined the “Pond Rolling Method” by the authors, rapidly drains the pond's non-gradient zones, refurbishes the gradient, and restores the non-gradient zones of the SGSP system, in a manner that minimizes land use, water and heat loss. The salt in the pond is allowed to diffuse upward over time and, on condition as needed to restore the gradient, the Pond Rolling Method is used to completely rebuild the gradient and the SGSP zones.

The invention provides a solar pool window, and belongs to the technical field of solar pool engineering. A structure of the solar pool window comprises a sealed and transparent window body. A transparent partition board is longitudinally arranged in the window body, so an inner cavity of the window body is divided into at least three fully isolated medium filling layers; a middle layer is a vacuum layer or an air layer; and a surface layer and an inner layer are filled with transparent insulated liquid respectively. In winter, the solar pool window can collect light and heating, while in summer, the solar pool window is an insulated window to prevent conduction, convection and radiation of indoor cool air and outdoor hot air. Compared with the prior art, the solar pool window has the characteristics of reasonable design, good lighting, heat insulation and insulating effect, and the like, and can reduce energy consumption greatly. The solar pool window is not only applied to a solar pool, but also can be widely applied to the fields of civilian, commercial, industry, agricultural greenhouses, ocean aquatic buildings, and the like.