14results about How to "Increase buoyancy" patented technology

This application relates to the field of anti-buoyancy technology in building engineering, and particularly to an anti-buoyancy anchor construction process and an anti-buoyancy anchor, comprising: S1: preliminary preparation; S2: rod assembly; S3: hole drilling and enlarging, drilling a deep hole at a preset position, and after drilling to the target depth, performing end enlarging construction within the enlarged hole depth range to form an anchoring grouting zone; S4: anchor lowering, lowering the finished anchor to the target depth in the hole, at which time the enlarged bladder extends into the sediment at the bottom of the hole; S5: grouting operation, injecting grout into the enlarged bladder through a grouting pipe to expand the enlarged bladder and push the sediment at the bottom of the hole outward until the enlarged bladder is filled with grout, completing the grouting construction in one step, and completing the grouting construction of the gap between the anchor rod and the inner wall of the hole; S6: prestressing locking; S7: casting to obtain the anchor anti-buoyancy system; This application has the effect of reducing the possibility that sediment at the bottom of the hole will combine with the concrete mortar during the grouting process and affect the anchoring effect of the anti-buoyancy anchor.

This utility model provides a multifunctional floating platform for fire and water rescue, belonging to the field of emergency rescue equipment technology. It addresses the problem that existing methods require breaking ice while approaching trapped personnel, which is cumbersome and affects rescue efficiency. The platform includes a main body, a rescue anti-slip mat, an anti-capsulation hull, a multifunctional rescue mechanism, and a rescue conversion mechanism. The rescue anti-slip mat is fixedly connected to the top of the main body. The marking drive box is fixedly connected to the upper rear end of the rescue anti-slip mat. The anti-capsulation hulls are fixedly connected to the lower left and right sides of the main body. Rescue limiting blocks are fixedly connected to the lower part of the anti-capsulation hull. The multifunctional rescue mechanism is located on the outside of the main body. The rescue conversion mechanism is located below the anti-capsulation hull, allowing for rapid assembly and eliminating the need to break ice while approaching or to navigate the ice surface before inflating the platform, thus simplifying the pre-rescue preparation process.

This utility model discloses a flotation cell, belonging to the field of flotation cell technology. It includes a cell body and an aeration structure. The cell body has through-slots and locking slots on its left and right sides, respectively. Bottom baffles and top baffles are respectively provided at the bottom and top of the through-slots. The aeration structure includes a connecting pipe, a movable cover, an aeration pipe, and an aeration pump. The connecting pipe is located at the bottom of the cell body, the movable cover is located at the bottom of the outer surface of the connecting pipe, the aeration pipe is located at the bottom of the movable cover, and the aeration pump is located at the end of the aeration pipe furthest from the movable cover. This flotation cell changes the size of the bubbles by altering the length of the aeration pipe extending into the movable cover, thus changing the airflow at the bottom. The combination of porous media, the aeration pipe, the movable cover, and the aeration pump simulates the effect of a flotation column foamer, achieving micro-bubbles during bottom aeration, optimizing the flotation effect, and improving the flotation recovery rate of both oxide and sulfide ores. Bottom aeration allows large mineral particles to contact the bubbles, improving their floatability.

This invention provides a type of glass and its preparation method, belonging to the field of glass technology. The glass batch comprises the following raw materials in parts by weight: 679-713 parts silica sand, 4-40 parts feldspar, 39-59 parts wollastonite, 129-154 parts dolomite, 42-55 parts limestone, 224-231 parts soda ash, 8-10 parts sodium sulfate, and 0.3-0.4 parts carbon powder. This invention can reduce CO2 emissions from float glass production, decrease bubble defects, and improve the quality of the finished glass.

The utility model relates to environmental detection instrument technical field especially relates to a kind of setting rack for environmental detection device. Including installation frame, four installation sleeves are set in the circumferential interval on installation frame, one first floating block is set between adjacent two installation sleeves, one extension rod is slidably arranged on installation sleeve, the end of extension rod is provided with connecting plate, second floating block is set on connecting plate. By setting telescopic adjusting extension rod and clamping fixed clamping plate structure, operator can flexibly adjust the position of second floating block according to water terrain, realize the expansion or shrinkage of the overall floating area of setting rack, to effectively adapt to complex water body environment such as narrow river, steep gully etc.;At the same time, the multi-point distributed buoyancy structure composed of first floating block and adjustable second floating block can enhance the overall buoyancy, greatly improve the stability of the device running on water surface, effectively prevent the risk of overturning caused by water flow impact.

The application discloses a sinking well type shaft tunneling machine, which comprises a sinking well, a supporting device arranged in the sinking well and used for placing a tunneling machine body, a rotating assembly arranged at the bottom of the supporting device and used for driving the tunneling machine to move circumferentially, a hydraulic device arranged at the bottom of the rotating assembly and used for driving the tunneling machine to move linearly, a compensation device arranged on the hydraulic device and used for sharing reaction force, a digging device arranged at one end of the hydraulic device and used for completing digging of the bottom of the sinking well, and a buoyancy device arranged on the digging device and used for providing buoyancy to the digging device. The compensation rod is continuously extended to push the gas in the gas storage cavity, the gas is input into the expansion cavity through the gas conveying pipe, when the gravity center of the digging drill bit continuously approaches the shaft wall of the sinking well, the air in the expansion cavity continuously increases, the expansion rubber layer continuously expands, the buoyancy provided by the expansion rubber layer gradually increases, and the force provided by the digging drill bit to the hydraulic rod is reduced.

This invention belongs to the field of lepidolite tailings technology, and particularly relates to a process for reducing the silicon content in feldspar based on lepidolite tailings. Specifically, it includes the following steps: pretreatment of lepidolite tailings; preparation of soluble starch cross-linked microspheres; preparation of quartz inhibitors; preparation of dicarboxylic acid anionic polyacrylamide; preparation of feldspar inhibitors; addition of quartz inhibitors under neutral conditions to float feldspar; and addition of feldspar inhibitors under alkaline conditions to float quartz. By adding quartz inhibitors to the slurry under neutral conditions, the soluble starch cross-linked microspheres can hinder the adsorption of anionic collectors on the quartz surface, thereby effectively inhibiting quartz and reducing the silicon content in the floated feldspar. By adding feldspar inhibitors to the slurry under alkaline conditions, pectin and dicarboxylic acid anionic polyacrylamide can hinder the effect of anionic collectors on feldspar, thereby effectively inhibiting feldspar and further reducing the silicon content in the feldspar.

This invention discloses an automatically adjustable height mud pump support, relating to the field of mud pump technology. It includes a support base, a floating assembly, and a suction assembly. The floating assembly is located on the outer bottom of the support base and comprises a floating bucket, a partition layer, a connecting plate, a connecting pipe, and a water valve. The partition layer is connected to the inner middle of the floating bucket. This invention enables the mud pump to extract mud and wastewater. After extraction, the liquid level decreases. Because the equipment floats on the mud surface of the mud tank, it can lower along with the liquid level. During mud preparation and circulation, the equipment rises and falls with the liquid level. This ensures that the suction pipe remains below the mud surface during operation, eliminating the need for frequent height adjustments based on the wastewater level, greatly improving ease of use.

This utility model relates to the field of concrete structure technology, specifically to an anti-buoyancy precast concrete cover plate installation structure, comprising: a precast concrete cover plate; cast-in-place main concrete, wherein the cast-in-place main concrete is provided with an installation groove, the installation groove being adapted to the precast concrete cover plate; a bracket, the bracket being disposed at the bottom of the installation groove; a first sealing element, the first sealing element being disposed between the precast concrete cover plate and the bottom and side wall of the installation groove, for sealing the gap between the precast concrete cover plate and the cast-in-place main concrete; and a fixing bolt assembly, the fixing bolt assembly being used to connect the precast concrete cover plate and the cast-in-place main concrete. This utility model can achieve anti-buoyancy, sealing, and rapid installation, ensuring rapid isolation of water flow in the event of sudden leakage, simplifying maintenance and repair operations under normal working conditions, and is low in cost and economical.

This invention relates to the field of beekeeping technology, and more particularly to an external feeding device for beehives. The device includes a beehive with a feeding box connected to its front outer wall. Both the front wall of the beehive and the upper part of the rear wall of the feeding box have inlets and outlets for bees to enter and exit. A liquid storage tank is connected to the left outer wall of the beehive. A temporary storage cylinder located below the liquid storage tank is connected to the lower left side of the feeding box. The feeding box and the temporary storage cylinder are connected by a pipe. Two inverted T-shaped hollow sliding rods are slidably connected to the bottom of the feeding box, and a floating island frame located inside the feeding box is connected between the tops of the two hollow sliding rods. The floating island frame provides a safe feeding and resting place for bees, protecting them from drowning, improving the safety of bee feeding, effectively reducing the risk of bee drowning, and thus reducing economic losses.

The utility model discloses a kind of for riverbank forest litter collecting device, including frame, the upper portion of the frame is provided with adjusting device, the outside fixed connection of the frame has connecting ring, the middle part fixed connection of the connecting ring has float ring, the lower portion of the frame four corners is provided with fixing device, the lower portion of the fixing device is provided with locating peg, the inside of the adjusting device includes the first hook of fixing to nylon net, the inside of the adjusting device also includes the second hook of fixing to nylon net, the inside of the adjusting device also includes the baffle of fixing to nylon net, the inside of the fixing device includes the rope body of frame and is dragged positioning. By the above structure, litter can be prevented from being flooded by water, the displacement of the collecting device can be prevented from being far, and the time for the detector to find the device can be reduced. The size of the collecting device can be adjusted according to the use scene, and the actual use can be better met.

The utility model relates to water body purification technical field discloses a kind of ecological floating bed for water body purification, comprising: floating plate, bottom surface is equipped with several floating ball, upper surface is equipped with several large planting groove and small planting groove, the bottom surface of large planting groove and small planting groove is equipped with several through groove extending to the bottom surface of floating plate, the upper wall of floating plate is close to the edge of two opposite sides and is equipped with several hanging holes;Float box, it can be hung and connected in the hanging hole of the both sides of floating plate, one side is fixedly connected and is equipped with hanging rod, the other end of hanging rod is downward bending shape and is compatible with hanging hole, the bottom surface of float box is equipped with several through groove;Planting net bag, it can be placed in large planting groove, small planting groove and float box, and tightening rope is equipped at opening part.The utility model has the advantages of: increase buoyancy structure, so that the floating effect is better, not easy to sink, it is convenient to match with small floating bed at will, simple and convenient.

The utility model discloses a water conservancy monitoring equipment for water conservancy engineering relates to water conservancy engineering technical field, including monitoring box, the monitoring box bottom fixedly connected with the buoy, the buoy inside fixedly connected with the baffle, the baffle divides the buoy and is distributed with the high pressure gas cavity and the counterweight chamber of high and low, the baffle top fixedly connected with the multisection electric push rod, multisection electric push rod piston rod end fixedly connected with the push board, through installing the buoy on the monitoring box bottom, when needing equipment to sink to the water bottom, just can be in the water suction into the counterweight chamber when lowering equipment buoyancy also increase counterweight, make it can sink to the water bottom quickly, when needing to float the salvage equipment, just need to discharge the water in the counterweight chamber, and the high pressure air in the high pressure gas cavity is introduced into the counterweight chamber inside and annular airbag inside can make the equipment whole buoyancy increase quickly, and then make the equipment can float quickly and be convenient for salvage, overall use is very convenient.

This invention relates to the field of wastewater treatment, and more particularly to an industrial wastewater recovery device, comprising a flotation tank. Two plate shafts are symmetrically and rotatably mounted in the middle of the inner side of the flotation tank. Three bubble-pushing plates are fixedly mounted in a circular array on the outer surface of the plate shafts. Two jet pipes are symmetrically and fixedly mounted at the bottom inner side of the flotation tank. The plate shafts are located above the jet pipes. A fixing seat is provided on the side of the plate shafts. Both ends of the fixing seat are fixed to the inner wall of the flotation tank. A fan-shaped shell is connected to one side of the fixing seat. The upper and lower ends of the fan-shaped shell are open. One of the bubble-pushing plates extends into the interior of the fan-shaped shell. A microporous plate covers the upper end of the fan-shaped shell. This invention increases the probability of collision between bubbles and oil droplets in the wastewater, improves the oil droplet flotation effect, and thus improves the wastewater treatment effect. Simultaneously, it avoids the bubble-pushing plates being obstructed by the microporous plate, ensuring that the bubbles are smoothly propelled.