90results about How to "Strong buoyancy" patented technology

The present invention provides an apparatus for conveying substrates, capable of preventing the substrates from deformation or damage due to flexibility of the substrates and conveying the substrateswithout contact. Compressed air for spraying to a lower surface of a horizontal substrate (25) is applied in a face manner from the lower of the substrate (25). Thus, the substrate (25) is floated upward and is subjected to an action force toward a baseline (RL) side, such that a fiducial edge (25E) of the substrate (25) which is subjected to the action force by the compressed air is contacted toan array of conveying rollers (35) arranged along the baseline (RL). By means of the drive of the conveying rollers (35), the substrate (25) is conveyed horizontally in a floating mode that the fiducial edge (25E) and the conveying rollers (35) are contacted mutually.

The invention relates to an acidizing fracturing fluid added thickening acid liquid and a preparation method thereof. The thickening acid liquid provided by the invention is composed of an acid liquor, a thickening agent and additives in a mass ratio of 5:3:2. Specifically, the acid liquor is formed by mixing of hydrochloric acid, hydrofluoric acid and acetic acid. The thickening agent is formed by compounding of N-vinyl lactam, ethoxylated fatty amine and carboxymethyl hydroxypropyl guar gum. The additives mainly include an antiswelling agent, a corrosion inhibitor, a ferric ion stabilizer and a discharge aiding agent. The thickening acid liquid provided by the invention has the advantages of good high temperature resistance and shear resistance, etc. The thickening acid liquid provided by the invention can be added into a water-based fracturing fluid, a foam fracturing fluid or a mixture of the two to undergo crosslinking through a cross-linking agent so as to form the compound acidizing fracturing fluid. The obtained compound acidizing fracturing fluid integrates acidizing and fracturing, so that the diapiric fracturing fluid can form a multi-component foam system and release heat and gas, thus achieving the triple functions of acidizing, fracturing and foaming.

The invention relates to a floatation resistant construction method of a cast-in-site concrete hollow floor system. The cast-in-site concrete hollow floor system consists of a reinforced steel tie rod of which one end of is hooked on reinforced steel ribs while the other end is fixed on transverse bracing purlines, a load-bearing plate, nuts and gaskets. The invention can accurately control the thicknesses of cast-in-site hollow slabs and has strong floatation resistance; the invention ensures that floatation resistant points are fewer and more accurate compared with the prior floatation resistant technology, has simple construction and can ensure the construction quality. The invention is suitable for the engineering having suspended ceiling requirement and the reinforced steel tie rods can be used as tie rods of suspended ceilings at the late stage as well.

The invention discloses a rescue vehicle. The rescue vehicle comprises a chassis, a drive transmission system, a loading box system, a cab, a supporting plate structure, a dozer blade system, an excavation system and a helix wheel movement system, wherein the chassis is installed above the helix wheel movement system, the cab sends control signals to control the drive transmission system, the supporting plate structure and the dozer blade system to move separately, power is transmitted to the helix wheel movement system through the drive transmission system to drive the whole machine to travel, the supporting plate structure rotates to drive the excavation system to rotate so that multi-direction excavation can be achieved, and the dozer blade system moves to eradicate barriers. Accordingto the rescue vehicle, an Archimedes helix wheel is creatively introduced, the rescue vehicle is suitable for marshes, brushland and other terrain environments where common wheels are liable to sink,and the rescue vehicle has the advantages of high bearing capacity, high buoyancy, good maneuverability and the like and can well make up the gap on the aspect of traveling of rescue vehicles in the extreme environment, thereby effectively enlarging the rescue range.

The invention relates to a modularized artificial floating island for multi-medium reinforced repair of a polluted water body and application of the modularized artificial floating island. The modularized artificial floating island comprises one or more transparent floating island frames which are sequentially communicated. Each floating island frame is internally provided with a supporting mesh plate for dividing the floating island frame into an upper layer frame body and a lower layer frame body. Each upper layer frame body is internally and sequentially filled with a base body medium layer and a filler layer from top to bottom. Each base body medium layer is provided with a planting hole led to the corresponding filler layer. A plurality of check holes are formed in the side wall, corresponding to the corresponding filler layer, of each upper layer frame body. The bottom in each lower layer frame body is laid with a substrate. A plurality of check holes are formed in the side wall of each lower layer frame body. The check holes are provided with detachable mesh. Compared with the prior art, the modularized artificial floating island has the advantages that by adopting the light base body medium layers, establishing the filler layers easy to install and replace and suitable for microorganism adhesion, establishing a complete biological system layer and the like, manufacturing time is shortened, occupied land is reduced, long-term durability and efficient pollution removal are achieved, water quality purification and landscape functions are achieved due to modularized combination, and the effect of repairing the polluted water body is good.

The invention discloses a water jet propelled ship, comprising a sealed ship hull, an engine cabin and a control lever; wherein, the sealed ship hull comprises an upper surface and a lower surface; the engine cabin with a propelling and operating system is behind the sealed ship hull; water is introduced by a blade propeller of an engine of the system from a water inlet and ejected through the pressure applied by a direction-adjustable jet pipe; the control lever on the upper surface is used for controlling an engine accelerator and the direction of the jet pipe. With an engine propeller system of a kayak provided by the invention, drivers can conveniently, freely and leisurely drive the ship for amusement; the ship hull is sealed, the buoyancy is strong and the vibration is low; water can not enter into the engine cabin in case the ship is straightly sunk in the water or overturned, thereby ensuring normal operation of the engine when the ship is turned to upright or normal position and floated on the water.

The present invention relates to a buoy system. The buoy system comprises: a buoy body; and an anchoring device, which is arranged below the buoy body and used for stabilizing the buoy body. The buoybody comprises a main cabin body, wherein the anchoring device is arranged at the bottom of the main cabin body; masts, which are arranged on a plurality of brackets above the main cabin body and surround the side surface of the main cabin body; and a plurality of outer wall assemblies, which are fixed to the brackets and fixed to the outer side edge of the main cabin body, wherein a closed floating chamber is defined by the outer wall assemblies, the brackets and the side face of the main cabin body. Structural modularization is achieved, the production process is simplified, transportation,loading and unloading are convenient, small and medium-sized fishing boats and engineering ships can be used for throwing and recycling, the ship using cost is reduced, the internal space structure ofthe buoy is optimized, various devices can be installed in the buoy, and the monitoring requirement is met.

A buoyant table type offshore wind power foundation comprises a wind driven generator, a steel tower barrel, a foundation transition segment, a flange ring, a columnar foundation, supporting beams, an annular support, suction anchors, draining pumps and fixed mooring ropes. The foundation transition segment is arranged on the lower portion of the steel tower barrel, and the supporting beams are arranged on the periphery of the foundation transition segment to be connected with the columnar foundation. A closed cavity is formed in the columnar foundation, and a steel bin separation plate is arranged in the cavity for supporting. The annular support is arranged on the periphery of the columnar foundation, and the draining pumps are arranged between the annular support and the steel tower barrel and in the columnar foundation. The fixed mooring ropes are symmetrically arranged at the four points of a columnar foundation platform and are fixedly restrained on a seabed foundation bed through the suction anchors. The buoyant table type offshore wind power foundation has the beneficial effects that better buoyancy and stronger wind and wave resisting capacity are achieved, and therefore it is guaranteed that the buoyant table type offshore wind power foundation safely and stably operates in deep and open sea areas.

The invention provides a liquid reservoir and a compressor, wherein the liquid reservoir comprises a shell and an air outlet pipe; a chamber is defined in the shell; the air outlet pipe is fixedly mounted at the bottom end of the shell, communicates with the chamber and is provided with an insertion pipe section inserted into the chamber; the insertion pipe section can stretch and is provided with a buoyancy device capable of floating in a liquid refrigerant; and the buoyancy device lifts along with the lifting of the liquid level of the liquid refrigerant so that the insertion pipe section stretches along with the lifting of the buoyancy device. Due to the stretching design of the air outlet pipe, the liquid reservation effect of the liquid reservoir can be guaranteed, and meanwhile, the vibration and noise of the air outlet pipe can be reduced.

The invention discloses a ship structure and a vessel having the same. The ship structure disclosed by the invention comprises a ship body, wherein the ship body comprises a prow and a transom; the total length of the ship body is equal to the length from the prow to the prow; the ship body also comprises a keel, a ship shell and a main deck which is arranged above the ship shell; the ship shell comprises a ship bottom and ship sides; the ship bottom comprises a middle V-shaped bottom and concave-convex parts, wherein the concave-convex parts are arranged at the two sides and are used for improving the lateral stability of the ship body; the top end of the V-shaped bottom corresponds to the keel in position; the ship sides include a first ship side and a second ship side; a first inner bottom and a second inner bottom are respectively arranged above the ship bottom; the first inner bottom longitudinally extends from the lower end part of a sternpost to the middle part of a stempost; the second inner bottom longitudinally extends from the lower end part of the sternpost to the lower end part of the stempost. The ship structure disclosed by the invention has the advantages of guaranteeing relatively good lateral stability of the ship, reducing the risk of heeling and realizing more stable sailing.

The invention discloses a synchronous shielding grouting material composite admixture which comprises the following raw materials in percentage by mass: 10-20% of a coagulant, 10-20% of a retarder, 40-50% of an efficient water reducer, 10-20% of a tackifier, 1-5% of a defoaming agent and 1-5% of a plasticity expander. The admixture has the effects that in a high-pressure water-enriched stratum environment, on premise that equipment and pipelines are not changed, the curing time can be adjusted, the working performance loss is small within the curing time, and good water dispersibility resistance, efficient filling and rapid curing can be achieved.

The invention discloses a plant-based oil absorption pillow and a preparation method thereof. The plant-based oil absorption pillow comprises a pillow shell and a pillow core wrapped by the pillow shell, wherein the pillow shell is made of a hydrophobic modified cotton fabric, and the pillow core is made of plant fibers. In the plant-based oil absorption pillow, the hydrophobic modified cotton fabric has the characteristic of hydrophobicity and lipophilicity, so that oil can quickly pass through the hydrophobic modified cotton fabric and be adsorbed by plant fibers when the hydrophobic modified cotton fabric is in contact with a water-oil mixture, and water can be blocked outside. Through the wrapping function of the pillow shell, loosening and oil leakage of plant fibers serving as the pillow core after oil absorption can be avoided. The oil absorption pillow has the following advantages: oil absorption speed is high, the oil absorption rate is high, oil-water selectivity is high andwater absorption is avoided in an oil absorption process; buoyancy is good, and floating oil on a water surface can be effectively absorbed; transporting, feeding and recovering are convenient; adsorbed oil products can be recovered in an extrusion mode, so that the oil absorption pillow can be repeatedly recycled for a plurality of times; the oil absorption pillow is biodegradable; the preparation method is simple; the raw material sources are wide; and cost is low.

The invention discloses a raft culture bracket and a use method thereof. The raft culture bracket comprises sealed connecting terminals, transverse rods and vertical rods, wherein first holes matched with second holes in the sealed connecting terminals are formed in both ends of the transverse rods, the sealed connecting terminals are assembled on both ends of the transverse rods, the second holes in the sealed connecting terminals are matched with the first holes in the both ends of the transverse rods, the positions of the second holes are overlapped with those of the first holes to form vertical rod mounting passages, and one of the ends of the vertical rods is arranged in the vertical rod mounting passages, so that the vertical rods are vertically connected with the sealed connecting terminals and the transverse rods. The bracket is made of an anticorrosive material, and through the sealed combined structural design, the bracket keeps good sealing property and buoyancy, the corrosion of the seawater development environment is effectively avoided, the service life of the raft culture bracket is prolonged, and the breeding of bacteria that cause plant diseases and insect pests to aquatic plants in a culture process is effectively avoided at the same time.

The invention discloses a pond purifier and a withdrawal method. The pond purifier is composed of a floating body, a rotary nozzle device, an ozone conveyer, a flocculating agent box. The ozone conveyer and the flocculating agent box respectively pass though the rotary nozzle device through a connecting hole I and a connecting hole II in the floating body to be connected with a spray hole I and a spray hole II. The rotary nozzle device is connected with the floating body by the use of the connecting hole II in the floating body. The device provided by the invention has high buoyancy, has a simple structure, has low manufacturing cost, is convenient to maintain, can be used to effectively remove pollutants in water in a pond in an all-around manner as well as increase oxygenation performance of the pond through addition of ozone, and has a good water purification effect.

The invention relates to the technical field of breeding, and in particular relates to a boar breeding feed. The boar breeding feed comprises a plurality of fragrant and crispy particles, an inner layer, an outer layer and a sticky layer, wherein the outer layer is used for covering the inner layer; the plurality of fragrant and crispy particles are arranged on the outer surface of the outer layer at intervals through the sticky layer to form a fragrant and crispy particle layer; the fragrant and crispy particles comprise straws, corns, sugar and oil; the outer layer comprises pasture, hawthorn and bran; the inner layer comprises sweet potatoes and edible salt; a plurality of through holes are formed in the outer layer; and a plurality of bulges are formed in the inner layer and stretch into the through holes. The boar breeding feed can increase the amount of dry matters ingested by boars.

The invention discloses an intelligent life buoy, and relates to the field of lifesaving equipment. The intelligent life buoy solves the problem that an existing life buoy cannot achieve the effect ofsafe lifesaving. The intelligent life buoy is constituted by a buoy body 1, an inner buoy 2, a reflective strip 3, a GPS locator 4, a buzzer 5, warning lights 6, hook and loop fastener round bristles7, a circuit total switch 8, an object storage bin 9, a storage battery 10, seat cushion cloth 11 and hook and loop fastener thorn bristles 12. The inner buoy 2 is located inside the buoy body 1, thereflective strip 3 is located on the outer surface of the buoy body 1, the GPS locator 4, the buzzer 5 and the circuit total switch 8 are inset in pits in the outer surface of the buoy body 1 throughwaterproof bags respectively, the warning lights 6 are inset in pits in the left side and the right side of the outer surface of the buoy body 1 respectively through waterproof bags, the hook and loop fastener round bristles 7 are located at the upper side and the lower side of the outer surface of the buoy body 1, the object storage bin is located 9 in the middle of the buoy body 1 and the innerbuoy 2, and the hook and loop fastener thorn bristles 12 are located at the two ends of the seat cushion cloth 11. The intelligent life buoy effectively improves the security lifesaving effect.

The invention discloses an underwater high-speed towed body, which comprises a shell, a tail column connected to the tail part of the shell, and anX-shaped empennage structure arranged on the tail column and consistingof four empennages, wherein an equipment accommodating cavity is formed in the shell, gaps are formed in the tail ends of the two upper empennages in the four empennages, and the adjusting rudder is movably arranged in the gap. The underwater high-speed towed body aims at solving the technical problem that an underwater towed body in the prior art is poor in stability.

The invention provides a production method of a plant feed additive for aquaculture. The production method comprises the following steps: drying fresh leaves of eucommia bark, grinding the leaves, adding deionized water to extract the ground leaves for 4-6 hours, carrying out suction filtration on the extracting solution and pumping the extracting solution into a storage tank, re-adding deionized water for secondary extraction, mixing the extracting solutions, carrying out refined filtration on the extracting solution mixture and carrying out vacuum concentration until the Baume degree is 35-38 degrees Be, thus preparing a eucommia bark natural extract capsule core; preparing a capsule wall material into a capsule wall material solution; mixing the capsule core with the capsule wall material solution in a weight ratio of 1 to 1 to prepare a suspension and stirring the suspension uniformly until the Baume degree is 20-25 degrees Be; pumping the obtained mixed liquid into a spray drying tower by a high-pressure homogeneous pump, carrying out airflow atomization and instantaneously drying the atomized grains into microcapsules at high temperature being 170-180 DEG C. The production method has the beneficial effects that the produced feed additive has enhancement of flowability, is easy to mix uniformly, has strong buoyancy and is beneficial to being eaten by fish; the functional component use degree is high after aquatic animals are fed with the feed additive.

The invention discloses a self-floating type impeller aerator, which comprises a buoy impeller (1), wherein the buoy impeller (1) is provided with a power device (3) through a connecting support plate (2), and comprises a sealing buoy (11) and blades (12), the power device (3) consists of a vertical motor (31), a speed reduction mechanism (32) and a rotary flange (33), the integral blade (12) is in an L shape, and is uniformly provided with a plurality of water division holes (6) and a water division groove (7), and the blades (12) are fixedly and adjustably connected with the sealing buoy (11) by virtue of the blade bottom plate (13). The aerator not only solves the problems of large size of aeration equipment and inconvenient production, transportation, assembly and use as the traditional impeller aerator uses the bearing devices, such as floating balls, to bear the power device of the aerator, but also effectively solves the problems of single type of traditional blade and unable aeration, water tillage and surging.

The invention relates to a piece of waterproof breathable fabric child underclothing capable of measuring the temperature of a human body. The waterproof breathable fabric child underclothing comprises an underclothing body (1) which is of a double-layer structure. An interlayer is arranged in the underclothing body. The positions, at the armpit positions, in the interlayer of the underclothing body (1) are provided with infrared temperature measuring devices (2). The infrared temperature measuring devices (2) are connected with a CPU (3). The CPU (3) is connected with a GSM module (4). The underclothing body is made of fabric, and the fabric is composed of a breathable bottom layer, a transition isolation layer and a waterproof surface layer. The breathable bottom layer is provided with a plurality of breathable cavity holes. All the breathable cavity holes are in an inverted-U shape. The transition isolation layer is arranged on the breathable bottom layer, and a body of the transition isolation layer is in a regular concave-convex shape. By means of the waterproof breathable fabric child underclothing, whether a child has the fever and cold symptoms or not can be found out timely, so that the child can be sent to see a doctor timely; the underclothing has the advantages of being good in elasticity, air permeability and waterproof effect and high in buoyancy.

The invention discloses an airbag apparatus for a ship and a starting method thereof. The airbag apparatus is mounted on a side plate of the ship body. The airbag apparatus comprises a trigger. The trigger is internally provided with a gunpowder chamber accommodating detonation gunpowder, and a primer and an electric detonator which are used for detonating the detonation gunpowder in the gunpowder chamber. A mechanical firing device used for firing the primer and an electric firing device used for detonating the electric detonator are arranged outside the trigger. A mechanical firing fuse is arranged between the primer and the mechanical firing device. An electric firing fuse is arranged between the electric detonator and the electric firing device. The airbag apparatus also comprises a combustion gas generator and an airbag connected to the combustion gas generator. The combustion gas generator is internally provided with gunpowder. The airbag apparatus for the ship employs a gunpowder deflagration or explosion manner to rapidly inflate the airbag, and strong buoyancy can be provided for the side plate of the sinking ship body in a short period, so that the ship can be effectively prevented from capsizing or sinking.

The invention relates to water-proof ventilating clothes with GPS (global positioning system) positioning. The water-proof ventilating clothes comprise a clothes body (1), wherein the clothes body (1) is provided with a chest pocket (2); a GPS positioning module (3) is fixedly arranged in the chest pocket (2) and is connected with a CPU (central processing unit) (5) via an AD (analog-digital) conversion module (4); the CPU (5) is connected with a GSM (Global System for Mobile Communications) sending module (6); the clothes body is made of shell fabric which is formed by a ventilating bottom layer, a transition isolation layer and a water-proof surface layer, wherein the ventilating bottom layer is provided with a plurality of ventilating cavity holes, each ventilating cavity hole is of an n shape, the transition isolation layer is arranged above the ventilating bottom layer, and the body of the transition isolation layer is of a regular concave-convex shape. When children need to know the position of an old man, the signal of the position of the old man can be received while a mobile phone is turned on. The water-proof ventilating clothes have the characteristics of good elasticity and good ventilating performance.