46results about How to "Buoyant" patented technology

The invention relates to a built-in buoy towing barrel-shaped foundation sinking method, wherein a barrel-shaped foundation is divided into four cabins with fan-shaped sections through a compartment, a buoy is arranged inside the barrel-shaped foundation and comprises four branch buoys which are matched with the cabins of the barrel-shaped foundation, and a vibration isolating cushion is arranged between the branch buoys and the barrel-shaped foundation; after the barrel-shaped foundation is towed in place, exhaust valves and drain valves arranged on the built-in branch buoys are opened, air in the branch buoys is pumped to the inside of the barrel-shaped foundation, the branch buoys can slowly retreat from the barrel-shaped foundation and sinks to the water bottom, then the barrel-shaped foundation is towed to an accurate sinking position, and a discharge control valve at the top of the barrel-shaped foundation is opened to discharge gas and water to finish the sinking operation of the barrel-shaped foundation. The invention has the advantages that the buoy can be conveniently reclaimed through replacing the gas in the built-in buoy to the inside of the barrel-shaped foundation, and meanwhile, the barrel-shaped foundation has floating stability, sinking in place is ensured to be safely and effectively carried out, and the method has convenient construction, is simple and has remarkable cost advantage.

The invention discloses a floating type environment restoration material which is obtained by doping TiO2 with g-C3N4 in different atmospheres and can remove organic pollutants and a preparation method of the environment restoration material. According to the principle that expanded perlite has light pores, can float on water, has the superhigh surface adsorption effect and has the very high degradation removing capacity on persistent organic pollutants and heavy metals, the principle of the expanded perlite is combined with the photocatalysis capacity of TiO2, the photocatalysis capacity of TiO2 is improved by doping g-C3N4, and then the novel environment restoration material which is easy to recycle and can be reused is prepared to be used for removing the organic pollutants and heavy metals in the environment.

The invention discloses a symmetrical semi-shading type tidal current energy generation device. The generation device is composed of a semi-shading device, a generation device body and telescopic pile legs. A current guide part of the semi-shading device is provided with a special shaped line design. The whole device is fixed to the seabed through the telescopic pile legs after sinking to the appropriate depth. The upper portion of the semi-shading device is provided with a cuboid-shaped motor protective cover. A change speed gear box and a generator are arranged inside the protective cover. The generation device body comprises vertical axis water turbines comprising flap type composite blades, the change speed gear box and a generator set, wherein the axis centers of the flap type vertical axis water turbines are arranged into a line on a straight line, and one bilateral type semi-shading device is installed between every two flap type vertical axis water turbines. Through two vertical impellers and the symmetrical distribution of shading current guide shells of the two vertical impellers, the conflux effect is strengthened, and the utilization ratio of tidal current energy is improved. Modularized manufacturing and lateral spreading are facilitated through the symmetrical semi-shading type tidal current energy generation device, therefore, the generation device can be installed and applied in a wide water area in an array mode, and accordingly large-scale power generating through the tidal current energy is achieved.

The invention relates to a portable solar photo-thermal evaporation seawater desalination distiller, which comprises a condensation structure, a photo-thermal conversion material, a water guide channel, a heat insulation layer, a seawater communication layer and a fresh water collection tank, wherein the condensation structure is arranged to be a structure facilitating downward sliding of condensed water, the photo-thermal conversion material is arranged on the lower portion of the condensation structure, the heat insulation layer is arranged on the lower portion of the photo-thermal conversion material, the through water guide channel is formed in the heat insulation layer, the lower edge of the condensation structure is communicated with the upper portion of the fresh water collection tank at the periphery of the heat insulation layer, the fresh water collection tank and the bottom surface of the heat insulation layer define the seawater communication layer, the bottom of the fresh water collection tank is provided with the fresh water discharge hole, and the bottom surface of the fresh water collection tank is provided with a through seawater communication hole. According to the invention, the condensation structure facilitating downward sliding of condensed water is arranged, the condensation structure is communicated with the conical fresh water collection tank, the seawater communication layer between the fresh water collection tank and the heat insulation layer can meet the requirement for continuous drawing of seawater, the floatable property is achieved, and high-efficiency seawater desalination is achieved.

The invention discloses a liquid sampling device capable of buoyancy stratified sampling and automatic cleaning for chemical industry. The device comprises a movable frame, a threaded layer, a smart sampling device, a device casing and a motor frame, a pulley at the lower portion is rolled and rotated with the rotation of a belt pulley to allow a pipeline at the internal portion to displace downwards through an assembling rack, and when the pipeline is fell off, an output rack at the internal portion of the installation rack is employed to perform regulation of the stressed area of the deviceand the internal air pressure so as to allow the pipeline to follow lifting or declining and perform movable sampling working for the liquid with different liquid levels at the internal portion, afterthe device sampling is completed, the reverse rotation of the belt pulley at the internal portion is performed to perform lifting of the pipeline, the matching rack and a strike-off rack at the internal portion thereof are employed to perform liquid strike-off backflow work of the surface of the pipeline, and when the belt traction is performed, the internal friction layer can perform liquid scrubbing work at the surface of the pipeline so as to avoid the condition that the liquid dropping of the pipeline influences the working environment.

The invention relates to the field of aquaculture and discloses antibacterial modified polyurethane-based floating fish feed and a preparation method thereof. The floating fish feed is prepared from 30-38 parts of soybean meal, 20-30 parts of strong flour, 10-20 parts of shrimp meal, 10-20 parts of animal oil, 10-16 parts of floating puffed substances, 3-5 parts of decavitamin, 3-5 parts of compound mineral substances, 0.3-0.5 parts of a complex enzyme preparation and 6-10 parts of antibacterial attractant granules. The feed contains antibacterial ingredients, and the antibacterial ingredients have good stability and high antibacterial activity, can prevent the feed from breeding bacteria and is long in guarantee period. The feed has a floating property and facilitates ingestion of epipelagic fish. The fish feed contains comprehensive nutrients, is good in palatability and attraction performance and causes little pollution to water.

The invention discloses a floating-type sulfite supported microcapsule, a preparation method thereof and a method for preventing a fruit wine hops disease. The microcapsule comprises a hollow sodium alginate microcapsule as a vector; a sulfite solution or a sulfurous acid solution is supported in the hollow sodium alginate microcapsule. The preparation method comprises the following steps: firstly, mixing sulfite, calcium carbonate and a sodium alginate aqueous solution so as to prepare calcium alginate gel beads, performing gelling so as to obtain a microcapsule for later use, and putting the microcapsule into an ethyl cellulose solution for treatment, thereby obtaining the microcapsule. The microcapsule is added into fruit wine to cover the surface of the fruit wine completely, and is replaced every one-three weeks, thereby preventing the fruit wine hops disease. The microcapsule can slowly release sulfur dioxide with the effects of bacteria inhibiting, oxygen removing and color protecting, can guarantee anoxia and micro-aerobic conditions on the fruit wine liquor level and close by, and creates environment conditions bad for the living of aerobic bacteria, thereby controlling the formation of pellicle, achieving an effect of preventing the hops disease, and guaranteeing the quality stability of fruit wine in a storage process.

The invention discloses a deepwater storm-resistant fish nest and a manufacturing method thereof, and belongs to the technical field of fishery resource maintenance. The deepwater storm-resistant fish nest comprises an H-shaped frame, a connecting pipe, a rope, a first floating ball, a second floating ball and a fish nest body. The H-shaped frame is manufactured, the frame can be firmer, and frame distortion caused by the combined action of storm thrust and anchor stone tension is effectively avoided; a stainless steel pipe is adopted, the tensile property is high, and pollution is avoided; the two ends of the steel pipe are sealed, so that certain buoyancy is achieved; and the fish nest with wrinkles is of a fluffy structure, is suitable for fish eggs to adhere to, and is simple to manufacture, convenient to replace and suitable for large-area popularization.

The invention discloses a method for synchronous precipitation and polymeric synthesis of floatable silver sulfide nanocrystalline, relates to a preparation method of the silver sulfide, and solves the problems that a surfactant is needed to be added so as to increase the cost and the prepared silver sulfide has large grain diameter and easily sinks to the bottom in water in the conventional microemulsion method. The method comprises the following steps of: 1, preparing solution of silver nitrate ethanol; 2, adding toluene into the silver nitrate ethanol, and dripping 3-mercaptotrimethoxy silane, and stirring to obtain sol; 3, performing hydrothermal synthesis; 4, distilling; 5, drying; and 6, roasting to obtain the floatable silver sulfide nanocrystalline. The floatable silver sulfide nanocrystalline is spherical particles, has the grain diameter of 2 to 20nm, and can float on the water surface. During preparation, the surfactant is not used, so that the cost is reduced; and the reaction condition is mild and easily controlled. The method can be applied to the fields of photocells, photocouductors, photocatalysts, IR detectors, and the like.

The invention discloses a three-state mechanical foot structure. The three-state mechanical foot structure comprises a body, a slider and semi-directional hinge part and is characterized in that the body comprises a slide rod and a leg rod, and the leg rod is provided with a first support part; the slider is arranged on the slide rod, a lower limit block corresponding to the slider is arranged atthe joint of the slide rod and the leg rod, and the slide rod is provided with an upper limit structure corresponding to the lower limit block; the semi-directional hinge part comprises a plate body,the upper end face of the plate body is provided with a first hinge part, the lower end face of the plate body is provided with a second hinge part and a third hinge part, the first hinge part is hinged to the slider, the second hinge part is hinged to the lower limit block, and the third hinge part is hinged to the first support part by being hinged to a second support part. The three-state mechanical foot structure has the advantages that the an existing structure with the three-state mechanical foot structure can move on the hard ground and the soft ground and in water, and site limitationis avoided.

The invention relates to the field of lobster breeding, in particular to an automatic oxygen supplement device for aquaculture. The device comprises an air exchange chamber, a sealing cap, an air inlet valve, a sliding frame, an air exchange valve, a thrust spring, an air blowing cylinder, a balance block and a control valve. The air exchange chamber is used for building the components such as thesliding frame; the sealing cap is used for sealing the air exchange chamber and absorbing sunlight heat to make air expanded; the air inlet valve is used for feeding air into the air exchange chamber; the sliding frame is slidingly connected into the air exchange chamber and mobilizing the expanded air by using the pressure difference; the air exchange valve is used for being matched with the sliding frame to mobilize the air; the thrust spring is used for assisting the sliding frame in blowing the air out; the air blowing cylinder is used for blowing the air into water; the balance block isused for reducing shake of the device on the water surface; the control valve is used for being matched with the sliding frame to open or close the air blowing cylinder. According to the automatic oxygen supplement device for aquaculture, the function of automatically supplementing oxygen into the water can be achieved, and the device does not need the additional energy function, and is economicaland environmentally friendly, simple in structure and convenient to use and maintain.

The invention provides an intelligent drainage device for hepatobiliary surgery, and relates to the technical field of intelligent drainage for hepatobiliary surgery. The device comprises a liquid collecting tank, a cover body is hinged to the outer wall of the liquid collecting tank, a negative pressure drainage pump is fixedly connected to the top end of the cover body, a liquid inlet pipe is fixedly connected to one side of the negative pressure drainage pump, a liquid guide pipe is installed on the other side of the liquid inlet pipe through a connecting piece, and the bottom end of the negative pressure drainage pump extends into the liquid collecting tank and is connected to a liquid outlet pipe. The device has the beneficial effects that: under the action of a locking mechanism, after the cover body performs covering, firstly, a wire retractor hooks a circular ring at the bottom end of a fixed block; then, a hand wheel at the bottom end of an external threaded rod twists clockwise; the external threaded rod is in threaded twisting connection with a fixed tank; meanwhile, the top end of the external threaded rod is in rotating connection with a movable block through a bearing; the movable block slides downwards in the fixed tank; and a connecting rod connected to the top end of the movable block can tension the circular ring through the wire retractor connected to a movable connecting piece.

The invention discloses a waterproof lamp, which relates to the technical field of outdoor equipment; horizontal buoyancy airbags are respectively installed on the upper and lower ends of the waterproof housing, and longitudinal buoyancy airbags are installed on both ends of the horizontal buoyancy airbags; The lower end of the casing is connected with a support column, and a threaded sleeve is installed inside the bottom end of the support column, and a screw rod is connected inside the threaded sleeve, and a ground rod is installed on the screw rod, and the inner front end of the waterproof housing is installed There is an LED light, and a storage battery and a charging control circuit board are respectively installed inside the waterproof casing. The charging control circuit board is electrically connected through the charging terminal of the storage battery, and the discharge terminal of the storage battery is electrically connected to a terminal of the control switch. The other terminal of the control switch is electrically connected to the power supply terminal of the LED lamp through a wire; the invention is convenient for ground insertion, has buoyancy, is not easy to enter water, can prolong the service life, and has high efficiency.

The invention belongs to the technical field of food processing and particularly relates to a starch-free beef ball and a preparation method thereof. The starch-free beef ball contains effective components and seasonings, wherein the effective components include the following components in parts by weight: 60-80 parts of beef, 3-10 parts of beef tallow, 1-5 parts of soy isolate proteins, 5-10 parts of egg white and 5-9 parts of ice cubes; and the seasonings include the following components in parts by weight: 1.4-1.8 parts of table salt, 2-3.5 parts of white granulated sugar, 0.5-0.8 part of chicken powder, 0.15-0.3 part of fresh ginger powder, 0.1-0.3 part of white pepper powder, 2-4 part of a red onion cake, 0.15-0.25 part of composite phosphate and 3-5 parts of starch acetate. According to the starch-free beef ball, the sticking of ground beef is realized by virtue of egg white, and the taste and nutrient content of the beef ball are maintained by virtue of the soy isolate proteins. Compared with a beef ball in which ground beef is stuck through starch in the market, the starch-free beef ball has the advantages that the taste and flavor are very close to the taste and flavor of beef; the preparation method of the starch-free beef ball is simple and feasible.

The invention discloses a multifunctional expandable water surface life-saving floating island platform system, comprising a life-saving main floating island (I), a life-saving auxiliary floating island (II), an escape slide (III) and an auxiliary floating cantilever (IV), the life-saving main floating island (I) and the escape slide (III) are connected with each other and stored in an installation box of a ship in a folded mode, one end of the escape slide (III) is connected with the life-saving main floating island (I), and the other end of the escape slide (III) is fixedly connected with aship board; and the life-saving auxiliary floating island (II) and the auxiliary floating cantilever (IV) are respectively folded and stored in a plastic box of the ship. The structure is reasonable and compact, and the use cost and the storage space are saved; the multifunctional expandable water surface life-saving floating island platform system is strong in wind wave resistance and water resistance, can carry energy equipment, and can help passengers in time; the capacity can be flexibly and conveniently expanded, a water surface life-saving base is built through combination, search andrescue are effectively commanded, more people are gathered for temporary survival and centralized rescue, and the life-saving response speed and the life-saving efficiency are comprehensively improved.

The invention belongs to the technical field of food processing and specifically relates to a starch-free fish ball and a preparation method thereof. The starch-free fish ball contains effective ingredients and seasoning in parts by weight; the effective ingredients include 60-80 parts of freshwater fish meal, 3-7 parts of fat, 1-5 parts of soy isolate protein, 5-10 parts of egg white and 5-9 parts of ice cake; the seasoning includes 1.4-1.8 parts of edible salt, 1.8-2.5 parts of white granulated sugar, 0.5-0.8 part of chicken essence, 0.08-0.15 parts of white pepper powder, 0.25-0.35 part of seafood powder, 0.15-0.25 part of composite phosphate, 0.15-0.25 part of garlic powder and 3-5 parts of starch acetate. In the starch-free fish ball, the egg white is utilized to stick the fish meal and the soy isolate protein is utilized to keep the taste and nutritional ingredients of the fish ball. Compared with the marketed fish ball which utilizes the starch to stick the fish meal, the starch-free fish ball prepared according to the invention has the advantage that the taste and flavor are close to the taste and flavor of fish. The preparation method for the starch-free fish ball provided by the invention is simple and feasible.

The invention discloses an intelligent wearable anti-drowning equipment assembling device, and relates to the technical field of anti-drowning equipment. The intelligent wearable anti-drowning equipment assembling device comprises a binding mechanism, contraction mechanisms are fixedly connected to the positions, close to the front face and the back face, of the outer wall of the binding mechanism, and inflation mechanisms are fixedly connected to the positions, close to the left side and the right side, of the back face of the binding mechanism; the outer walls of the inflation mechanisms are movably connected with the outer walls of the contraction mechanisms through the arranged binding mechanism, and the binding mechanism structurally comprises a first binding band, a first air bag, a shoulder strap and a second air bag. According to the intelligent wearable anti-drowning equipment assembling device, by arranging the binding mechanism, the shoulders and the oxters of a drowning person can have air bags, so that the upper body of the drowning person is supported by buoyancy generated by the outside, the head of the drowning person can be located above the water surface, and the drowning person is effectively prevented from suffocating in water.