42 results about "Seawater" patented technology

An apparatus for generating freshwater using exhaust combustion gas and seawater includes a water spraying unit that sprays the seawater into the exhaust combustion gas; and a freshwater collecting unit that collects the freshwater from the exhaust combustion gas into which the seawater is sprayed.

This invention has a series of multiple parallel plates that form desalination chambers between them that have seawater or other saline water flowing down the inside of one plate of each chamber. Steam which is generated by solar heat or other heat source condenses on the outside of first chamber of the series on the plate, which has seawater running down it. This releases heat that evaporates the seawater. The vapor flows to the other wall (plate) of the desalination chamber and condenses, and this releases heat that flows through the plate to the next stage of parallel plates and evaporates seawater flowing down the other side of the plate. Each succeeding stage operates at a lower temperature than the previous stage. The final stage is cooled by the evaporation of seawater into the air. One embodiment of the invention has the parallel plates sloped at an angle to the horizontal so that the seawater flows down on the lower plate and evaporates with heat supplied from below. The vapor condenses on the ceiling of the chamber. Since each succeeding stage upward is at a lower temperature, the vapor pressure will be lower in succeeding stages. This pressure differential can be used to pump the seawater from one stage to the next higher stage.

The invention discloses a method for producing astaxanthin by inducing Haematococcus pluvialis, which is characterized by comprising the following steps: in the vegetative growth phase, inoculating Haematococcus pluvialis in a nutrient culture medium, and culturing; continuously keeping irradiation on the Haematococcus pluvialis and ensuring that the intensity of illumination arriving at the Haematococcus pluvialis cell surface is 20-200 mu mol.m<-2>.s<-1>; in the induction stage, adding ethanol and seawater crystal into the production culture medium, wherein the ethanol added into the production culture medium accounts for 0.5-3 vol%, and the seawater crystal added into the production culture medium accounts for 0.5-1 wt%; and continuously introducing filtered air mixed with 1-3 vol% carbon dioxide into the production culture medium, wherein 0.2-0.4L/minute of the air is introduced to every 1L of production culture medium. The method can induce the Haematococcus pluvialis to quickly accumulate the astaxanthin, is simple and has the advantages of high yield and favorable effect.

The invention discloses a Brevibacillus laterosporu with function in quickly decomposing nitrite nitrogen and bacteriostasis function and an application thereof. The screening strain is Brevibacillus laterosporu YB-02, the strain collection number is CGMCC-No. 9757. The strain provided by the invention has a capacity of effectively decomposing nitrite nitrogen in water, has cholate resistance and trypsin resistance, and further has higher inhibiting effects to mariculture pathogenic bacteria like vibrio splendidus, shewanella smarisflavi and edwardsiella tarda. Therefore, the strain provided by the invention can be used for developing probiotics products for mariculture water purification and bacterial inhibition, the antibiotics abuse is avoided, the fishing disease is prevented and treated effectively, the quality and yield of marine food products are improved; the strain has effective, fast and safe water purification effect to acute water pollution, and therefore, the strain is wide in application prospect.

The invention discloses a solar-powered seawater desalination device, a stove combined device and a using method thereof. The solar-powered seawater desalination device comprises a solar thermal collector, a seawater evaporator, a solar energy pumping station, an expansion tank, a condenser, a seawater storage container and a photovoltaic module, wherein the solar thermal collector is used for converting the solar radiation energy into heat energy so as to provide a heat source for a circulating medium; the seawater evaporator is used for heating the seawater so as to generate steam by taking the circulating medium provided by the solar thermal collector as a heat source; according to the solar energy pumping station, circulation of the circulating medium between the solar thermal collector and the seawater evaporator is realized; the expansion tank is connected with the solar energy pumping station, and the pressure change of the circulating medium in a circulating path is regulated by storing or releasing the circulating medium; the condenser is used for cooling the steam conveyed by the seawater evaporator so as to form fresh water; the seawater storage container is used for storing the seawater and supplying the stored seawater to the condenser so as to serve as cooling water by virtue of a seawater supply pump; and the photovoltaic module is used for converting the solar energy into electric energy for providing power for electric equipment. Therefore, seawater desalination can be rapidly realized by virtue of solar energy only.

The invention provides a distillation method seawater desalination system. Equipment investment is well reduced, operating efficiency is improved, energy consumption is saved, scaling and corrosion of the working medium operating side are reduced, the equipment failure rate is reduced, and the problems that the system use effect is poor and the system service life is short are solved. The system comprises a working medium circulating system and a seawater evaporative cooling system. The working medium circulating system comprises a booster pump. The booster pump is connected with an evaporator through an ejector, the evaporator is connected with the booster pump through a steam-water heat exchanger, the steam-water heat exchanger is connected with the ejector, and the working medium circulating system is formed. The seawater evaporative cooling system comprises a seawater pump, the seawater pump is connected with the evaporator through a heat exchanger, the evaporator is connected with the steam-water heat exchanger, and the steam-water heat exchanger is connected with a fresh water tank through the heat exchanger. The invention further provides a distillation method seawater desalination method.

The invention relates to deep layer seawater cooling sea breeze air-conditioning pipeline system. It belongs to refrigerating engineering field. It includes sea surface working platform, air sterilization, clearing machine unit, compressor unit, master valve, input pipeline, sector valve, heat exchanger sector valve, output pipeline, exit master valve, secondary booster pump system, city transforming pipeline air treatment device, air compressor, city pipeline distribution system, allocate node device, and user using unit. Its principle are cleaning air at sea surface; is pressurizing the sterilized air by air compressor; entering underwater heat exchanger to exchange heat; outputting; the output temperature is 10 centigrade degree; entering city pipeline distribution system; entering user using unit by allocate node device. The invention can fully utilize sea water and cleaning sea wind to realize no pollution and save resources, offer cleaning low temperature sea wind for land mass, and improve working and living environment. Thus it has obvious social and economic benefit.

The invention provides a cultivation method of triploid fries of haliotis discuses and relates to abalone. The cultivation method comprises the following steps of: selecting haliotis discuses which have the shell length in the range of 7-12cm, have good individual vitality, and have no damage on muscles as parent abalones, developing artificial feeding on the parent abalones, and ensuring the synchronous maturity of the gonadal development of the parent abalones through the artificial feeding; simulating the parent abalones by adopting an artificial propagation method, respectively inducing the parent abalones to produce milt and lay eggs, collecting the milt and eggs for artificial insemination, and obtaining fertilized eggs of the haliotis discuses; and washing the fertilized eggs of the haliotis discuses for 10-15min through seawater with the temperature of 2-3 DEG C based on the time of observing 30%-50% of the fertilized eggs of the haliotis discuses to produce first polar bodies under an optical microscope as starting time. A ploidy analyzer is adopted to detect the triploid rate of cultured fries of the haliotis discuses after the low temperature induction. When the cultivation method is adopted, the triploid fries of haliotis discuses characterized in excellent quality, rapid growth, large body, high survival rate and the like can be cultivated in a large scale, and the cultivation method has good economic benefit.

The invention discloses a device capable of removing micro-plastic particles in water in a ditch water inlet type seawater culture pond. The device comprises a filter box embedded in a ditch and not submerged by water flow, wherein a plurality of filter cavities allowing water to be fed from the front end and discharged from the rear end are formed in the filter tank, and a front sundries stopper,a water flow reducer, a first-stage funnel-type primary filter, a second-stage funnel-type primary filter, a first-stage grid microfilter, a second-stage grid microfilter, a third-stage grid microfilter and a rear biological stopper are arranged in each filter cavity from front to back sequentially. Compared with the prior art, the device has the advantages as follows: (1) a novel water inlet pipeline system is not needed to be rebuilt, the adaptability is wide, the universality is better, and the cost is saved; (2) the micro plastic particles in the water in the culture pond can be effectively removed; (3) modular design is adopted, so that the device can be disassembled, flushed or replaced conveniently; (4) the frequency of replacing or flushing filter screens can be reduced; (5) use is convenient, the cost is relatively low, and maintenance is simpler.

The invention discloses a ship navigation state monitoring and alarming system comprising modules such as a direction finder for determining the real-time direction information of a ship by signal communicating with a beacon station on the shore base; an anemometer for detecting wind speed information of the sea surface during the navigation of the ship; and a water temperature observer for detecting temperature information of seawater under different water depths, wherein the system further comprises an analysis module for receiving data information transmitted by the direction finder, the anemometer, the water temperature observer, the barometer, the Beidou positioning module and the angle acquisition module; the analysis module is provided with a roll angle threshold and a standard parameter in a safe navigation state of the ship; and the data analysis module compares the received data information with the internally stored standard parameters to determine whether the ship is sailing in a safe state, feeds back the state parameters under safe navigation to the shore-based command center if so, otherwise sends an alarm signal, and transmits the alarm signal to the shore-based command center.

The invention relates to a multifunctional offshore wind power structure which comprises a pile body with the bottom arranged below a seabed surface, and seawater filtering and separating structures such as a wind turbine generator set arranged at the top end of the pile body. A folding type high-pressure nozzle is arranged on the outer wall of the pile body; a salt basking pond is arranged below the folding type high-pressure nozzle; a transparent water collecting cover body covers the outer part of the salt basking pond; and power umbrella drive skeletons are arranged in the centers of the salt basking pond and the transparent water collecting cover body. The multifunctional offshore wind power structure provided by the invention is compact and reasonable in overall structure; wind power generation, oxygen/hydrogen production, salt production and seawater desalination are organically integrated, so that collected resources are more diversified, and the most prominent load effectiveness problem in the wind power equipment is effectively solved; meanwhile, the structures of salt basking and seawater desalination are novel, so that the two resource extraction modes are optimized; and storage is easy, so that the possibility that the equipment structure is damaged is reduced.

The invention discloses a seawater desalination pretreatment method by a reverse osmosis membrane method. The seawater desalination pretreatment method is the seawater desalination pretreatment method by the reverse osmosis membrane method by adopting a floatation and membrane filtration integrated device. The seawater desalination pretreatment method by the reverse osmosis membrane method, which is disclosed by the invention, can overcome the deficiencies of large occupied area, complex device layout, high project investment, operation and maintenance costs and the like in the prior art so as to realize the advantages of being small in occupied area, simple in device layout and low in project investment and operation and maintenance costs.

The invention relates to a breeding method for jointly breeding fingerling in the current year in takifugu flavidus commercial fish, and relates to breeding of the takifugu flavidus. The method comprises breeding of large fingerling of commercial fish, daily management of the commercial fish, inoculation of copepods, breeding of summerlings and harvesting, and is characterized in that when the temperature rises in the last ten days of March and the first ten days of April and the water temperature of an outside pond is kept to be 14-15 DEG C, overwintered fingerling is bred in the outer pond gradually for breeding, and whether copepods exist in seawater in a commercial fish aquaculture pond is detected after the commercial fish fingerling is bred; if no, exogenous inoculation is performed, pest organisms are removed, the density of the copepods in the pond is 3-10 pieces/L, and the summerlings are bred in June and July according to the breeding density of 1,000-1,500 fish per mu; and in the middle ten days of November, the takifugu flavidus is transferred into a shed for overwintering and seined and caught, and two-age commercial fish and three-age commercial fish can be sold in the market if weighing over 250g.

The invention discloses a device applicable to a pipe washing work of a deep sea oil and gas pipeline. The device comprises a water flushing system, a chemical agent filling system which is connected to the water flushing system, an assisting system which assists the water flushing system to clean the pipeline, and a data acquiring and transmitting system for acquiring and transmitting data of a pipe cleaning device, wherein the water flushing system comprises at least free water flushing and ROV supported water flushing; the free water flushing is that the inner and outer water pressure difference of a seawater pipeline is treated as power to flush water for cleaning the pipe; the ROV supported water flushing is that hydraulic power supplied by a centrifugal pump is used for flushing water to clean the pipe; the chemical agent filling system comprises at least an underwater chemical agent tank, a chemical agent discharging assembly, a chemical agent filling assembly, a chemical agent filtering and adjusting assembly and an underwater rapid chemical agent supplementing joint; and the chemical agent is filled with different concentration and mixing ratio through the chemical agent filling and adjusting assembly based on the flow rate change of a main pipeline. The device overcomes deep water pressure and resistance along the way and reduces the shortages of a large amount of aboveground devices for normal pipe cleaning work, large occupied space, and high input cost; and the deep water pipeline cleaning work efficiency is improved.

The invention discloses a water flow electricity generating device. The water flow electricity generating device comprises a base, a water gathering cover, a four-way connector and an electricity generator, wherein the base is fixed on a river bed or a sea bed through foundation spud piles; the upper part of the water gathering cover is fixedly provided with a fixed support; a lower channel in thevertical direction of the four-way connector is connected with the base, and an upper channel is fixed to the fixed support; the electricity generator is located in the water gathering cover, and theelectricity generator is fixed to the four-way connector along a channel in the horizontal direction; and an impeller is mounted on the electricity generator. The water flow electricity generating device utilizes flowing river water or sea water to generate electricity, and compared with a common coal-fired electricity generating mode in the prior art, does not need raw materials, such as coal, so that the electricity generating cost can be reduced, no pollution is caused, and environmental protection is facilitated.

The invention relates to a radio antenna bracket for a marine environmental monitoring buoy, comprising an antenna fixing pipe (1) and a base (4). The radio antenna bracket is characterized by consisting of the base (4), three supporting rods (2), an antenna fixing pipe (1) and a base flange plate (5), wherein the base flange plate (5) is arranged below the base (4), the base (4) is fixedly connected with the base flange plate (5) through a connection bolt and a connection nut (8), and an antenna line incoming plate (10) and a sealing ring (3) are arranged between the base (4) and the base flange plate (5); simultaneously, a work hole (6) is arranged on the bottom surface of the base flange plate (5), the bottom of the antenna fixing pipe (1) is designed to be an antenna fixing pipe seat (11), part of the gap is removed from one side of the antenna fixing pipe seat (11) along the middle part of the antenna fixing pipe (1), the three supporting rods (2) are arranged between the antenna fixing pipe seat (11) and the base (4) and are arranged in shape of equilateral triangle, and each supporting rod (2) is in a shape of a reverse L. The radio antenna bracket disclosed by the invention has the characteristics of simple structure, strong seawater pressure resistance, strong seawater corrosion resistance, high structure strength, higher safety and the like.

The invention provides a wave energy recycling device in order to recycle wave energy in the perpendicular direction of seawater. The wave energy recycling device mainly comprises an axial hollow float, an energy recycler and a special cable mooring device, wherein the energy recycler is connected with a float bolt through a bottom flange plate; an integrated rotary drum is supported by a conical roller bearing; an outer ring of the bearing is fixedly welded with a supporting ribbed plate; the rotary drum is connected with the supporting ribbed plate through a torsional spring; a rotating shaft of a power generator is connected with the rotary drum through a spline; a shell of the power generator is fixed on the ribbed plate through bolt connection; one end of a drum winding cable is knotted after passing through a through hole in a cable winding shaft of the rotary drum and is connected with the rotary drum in an energy recycling mechanism; and after the other end of the drum winding cable penetrates through a shaft hole in the float and a middle shaft hole of the special cable mooring device, the tail of the cable is knotted and locked. Two cable tying rings are welded on the special cable mooring device and are connected with a fixed cable of the float. When the seawater moves, waves enable the drum winding cable to vibrate up and down so as to rotate the rotary drum to drive the power generator to rotate, and conversion from wave energy of the seawater into electric energy is realized.

The invention relates to a man dual-protein nutrient health care powder and a method for preparing the same. The health care powder comprises soybean protein powder which is added with a Chinese herbal medicine extract and components of seawater fishes or freshwater fishes so as to give full play to the health care functions of the fish, the Chinese herbal medicine and the soybean protein powder. With the technique, various dual-protein nutrient health care powders which are suitable for men can be developed, and the health care powder has the advantages of convenient use, good mouthfeel, and nutrient content far higher than that of the soybean protein powder.

Most of various freshwater generators sold in the market at present are large-tonnage freshwater generators, the weight of the freshwater generators is more than hundreds of tons, and the freshwater generators only can be installed on land or installed on desalination ships dedicated for supplying water because of big volume and bulkiness, therefore multiple ships need to go on shore in fixed time or take water from the desalination ships, which wastes labor and times and is inconvenient. By aiming at the defects in the prior art, the invention provides a freshwater generator used for ships, and the freshwater generator has the advantages of small volume, light weight, simple structure and convenience in use. The freshwater generator can be fixed on any position of the ship, occupies small space and has a high desalination speed, and ensures that water can be drunk immediately. Infrared ray controls water temperature to effectively solve the situation that freshwater is deficient during seaborne long journey, and the service life of people is improved.

The invention discloses a heat exchange mechanism used for a sea water desalination system. The heat exchange mechanism used for the sea water desalination system comprises a pressure reducing mechanism, a heat exchange mechanism and a booster mechanism, wherein the pressure reducing mechanism comprises a pressure reducing pipeline and an expansion valve, the heat exchange mechanism comprises a heat exchange pipeline and a heat exchanger, the booster mechanism comprises a boosting pipeline and a compressor, a heat working medium circulates in the heat exchange pipeline, a water turbine is arranged on the heat exchange pipeline, the water turbine is driven by the heat working medium in the heat exchange pipeline, and the compressor is driven by virtue of a connecting rod shaft. The heat exchange mechanism used for the sea water desalination system has the advantages that a condenser in the traditional desalination technology is abandoned, maximum heat loss, namely condensation heat loss, during sea water desalination is avoided, the adopted heat working medium is industrial circulating water, the recycling rate of heat energy is improved, and functions of the heat working medium are reasonably utilized, so that the heat working medium is taken as a power source of the compressor.

The invention provides a single-person life raft. The single-person life raft comprises a raft body, a floating tire, a raft awning, a floating anchor, a flashing signal lamp and an inflating seat cushion; the floating tire is arranged at the bottom of the raft body; the raft awning is connected to the raft body; the floating anchor is connected to the tail end of the raft body; the flashing signal lamp is arranged on the raft body and positioned at the top end of the raft body; and the inflating seat cushion is connected to the floating tire. The single-person life raft has the beneficial effects that people to be rescued can be effectively protected against wind and cold through coordination between the raft awning and the inflating seat cushion; the thermal effect is good; the people tobe rescued are prevented from being exposed in seawater for a long time to suffer cold and attack from aquatic life; as a reflective marking is arranged, a prompting and warning effect is very well realized; under the coordination of the flashing signal lamp on the raft body, the raft body is more safely and easily found so that the rescuing time is saved and personal safety is guaranteed.

The invention relates to the field of aquiculture, particularly a young shrimp culture seawater circulating utilization plant and method. The young shrimp culture seawater circulating utilization plant comprises a young shrimp culture tank, a pressure pump, a biochemical ammonia nitrogen removal device, a mechanical filter and an ultrafilter, wherein the ultrafilter is provided with a sewage outlet and a pure water outlet; the sewage outlet communicates with the biochemical ammonia nitrogen removal device; and the pure water communicates with the young shrimp culture tank. The young shrimp culture seawater circulating method comprises the following steps: 1) pumping and pressurization: pumping out seawater in the young shrimp culture tank and pressurizing by the pressure pump, wherein the pressure is controlled at 3-5 MPa; 2) ammonia nitrogen removal: sending the pressurized seawater in the step 1) into the biochemical ammonia nitrogen removal device through the water inlet; 3) impurity removal: introducing the seawater treated by the step 2) into the mechanical filter to perform preliminary filtration; and 4) ultrafiltration and diversion: introducing the seawater obtained in the step 3) into the ultrafilter for filtration.

The invention discloses a water depth pressure reverse osmosis seawater desalination system. The system is especially suitable for building a seawater desalination factory on the land and sea island in the coastal region, therefore, the factory does not need to be built by directly arranging equipment in the sea, and daily management of the seawater desalination factory is promoted. According to the technology, the phenomenon that the pressure is increased along with increasing of the depth in water is utilized, a water containing facility with the certain depth is arranged on the land, a reverse osmosis device is arranged in the water containing facility, fresh water in the seawater is pressed into a fresh water collecting container arranged in the reverse osmosis device through the water depth pressure, the thickened seawater flows out of a brine well under the action of a communicating vessel, then the purpose that consumed electric energy only can be used for separating the fresh water in the seawater is achieved and therefore a large amount of electric energy can be saved. The technology can replace an existing reverse osmosis membrane technology. In addition, production can be conducted by simply transforming equipment in the prior art without directly eliminating the equipment. The technology is simple, efficient, modular, low in energy consumption and cost, easy to maintain, long in life and wide in market prospect.