18results about How to "Avoid taking away" patented technology

The invention relates to an offshore wind turbine large-diameter steel pipe pile scouring solidified soil cover protection and construction method, a reinforcing steel cylinder is arranged in a scouring pit at the bottom of a wind turbine steel pipe pile, the wind turbine steel pipe pile can be effectively protected, and direct scouring of water flow to the wind turbine steel pipe pile is avoided; an annular reinforcing mesh is arranged below the solidified soil quilt, and underwater concrete is injected into the annular reinforcing mesh, so that the injected underwater concrete is prevented from being scoured and taken away by water flow, and the durability of the reinforced structure is improved; the solidified soil is integrally put down in place through the suspension support, so that the situation that wrinkles appear when the solidified soil sinks to the water bottom is avoided, and it is effectively guaranteed that the solidified soil covers the scouring pit; the fan steel pipe pile is sleeved with the suspension support through the floating steel cylinder, the suspension support is controlled to float and sink along the fan steel pipe pile by adjusting the air bag, and the problems of hoisting and positioning are effectively solved.

The invention discloses a fuel cell system which comprises a hydrogen supply system, an air supply system, a proton exchange membrane fuel cell stack and a cooling system, and the cooling system, the hydrogen supply system and the air supply system are connected with the proton exchange membrane fuel cell stack. The hydrogen supply system and the air supply system are arranged to realize oxygen starvation of the proton exchange membrane fuel cell stack by respectively adjusting hydrogen flow and air flow during cold start; the cooling system comprises a radiator assembly and a water pump connected with the proton exchange membrane fuel cell stack, and the water pump does not work during cold start. According to the fuel cell system, heat dissipated in the self-starting process is increased in an oxygen starvation mode, the situation that too much water is generated in the galvanic pile and is condensed into ice to block a flow channel is avoided by changing the current density of the galvanic pile in the cold starting process, and the failure of low-temperature cold starting of the fuel cell system can be avoided. The invention also discloses a low-temperature cold start method of the fuel cell system.

The invention relates to the technical field of virus detection, in particular to a polymerase amplification device for African swine fever virus detection and a system thereof, the polymerase amplification device comprises a device shell and a fixed hanging eave integrally fixed with the device shell, and an amplification temperature control guide block is fixedly arranged in the fixed hanging eave; a first temperature guide plate and a second pre-cooling plate are arranged below the amplification temperature control guide block, and the first temperature guide plate and the second pre-cooling plate are located on the same horizontal plane; according to the polymerase amplification device, refrigeration and cold storage can be started in the denaturation heating process, and when the polymerase amplification device enters an annealing cooling stage, the second pre-cooling plate is controlled to be in heat conduction contact with the amplification temperature control guide block, so that the amplification temperature control guide block is rapidly cooled by utilizing stored cold energy.

This invention discloses a Sophora japonica bud threshing device and method. The threshing device includes a drum open at both ends, with a door cover at each opening. The drum wall has sieve holes and a toothed ring. A hopper is located below the drum, a support is provided around the drum, and a scraper is provided on the inner wall of the drum. The threshing method includes the following steps: 1) collecting and high-temperature treating the Sophora japonica buds; 2) threshing the Sophora japonica buds: the high-temperature treated Sophora japonica buds are fed into the threshing device of this invention for rolling threshing. Existing mechanized threshing of Sophora japonica buds is carried out while the buds are fresh, resulting in poor threshing efficiency. This invention adopts a method of high-temperature fumigation treatment of the Sophora japonica buds followed by mechanized threshing, and a threshing device is specifically designed for this purpose. This invention enables complete threshing of Sophora japonica buds. Compared with traditional methods that require manual kneading and beating to achieve complete threshing, the threshing operation of this invention is time-saving and labor-saving, and has good prospects for widespread application.

The invention relates to the technical field of drying, and particularly discloses a floating bead dehydration treatment device which comprises a drying box, a top cover is clamped to the inner wall of the top end of the drying box, a dehydration assembly is arranged in an inner cavity of the drying box, a second fixing ring is fixedly installed on the inner wall of the drying box, and an anti-explosion assembly is arranged in the inner cavity of the drying box. The floating beads can be scattered when being dried through the dewatering assembly, namely, the floating beads shake up and down and left and right during drying, so that particles which are originally tightly stacked are dispersed, the contact area of raw materials and a drying medium is increased, more uniform heat distribution is achieved, the drying efficiency is improved, meanwhile, the ventilation mechanism can jack up and ventilate the internal raw materials, and the drying efficiency is improved. And the explosion-proof assembly can give an alarm in time when the pressure intensity in the drying equipment is increased, the pressure intensity in the equipment can be automatically balanced when the pressure intensity is increased, and the equipment is prevented from exploding.

The utility model relates to battery technology field discloses a kind of battery pack and electrical equipment, and battery pack includes box and multiple battery monomers, box includes bottom plate and frame, bottom plate and frame are enclosed into containing cavity, containing cavity is separated into at least two battery compartments by middle beam, heating element is arranged on bottom plate, battery monomer is placed on bottom plate, heating element is between bottom plate and battery monomer;Middle beam is provided with the communication opening of intercommunication of adjacent two battery compartments, heating element is arranged in the communication opening, in the first direction, along the length direction of the middle beam, the section area of the communication opening is A1 mm 2 , the section area of the middle beam is A2 mm 2 , A1 / A2 The range is 0.0018-0.02.The utility model can guarantee the structural strength of middle beam, and also can avoid the hole wall distance of communication opening being too close to heating element, leading to the heat generated by heating element being taken away by middle beam, affecting the heating efficiency of heating element to battery.

The present application relates to the technical field of planting and repairing of mudflat mangrove, and discloses a method for constructing mangrove mudflat suitable land based on lifting elevation, which comprises the following steps: S1, constructing mudflat suitable land: constructing suitable land according to target elevation; S2, constructing primary protection structure: constructing wooden pile protection structure on the sea side of suitable land; S3, constructing secondary protection structure: constructing oyster reef protection layer between the periphery of suitable land and the wooden pile protection structure; S4, constructing ecological dam: constructing ecological dam between the primary protection structure and the secondary protection structure, forming water storage area between the ecological dam and the secondary protection structure, and the ecological dam is further provided with a plurality of planting areas for filling planting biological nutrients. The present application can reduce the adverse effects of wind, wave and tide on mudflat and mangrove seedlings, improve the effect of mud and dam fixation, improve the survival rate of mangrove, and optimize the marine ecological environment.

The utility model relates to the technical field of ionic rare earth ore mining liquid collection, in particular to a liquid collection slope protection structure for ionic rare earth in-situ leaching, which comprises a retaining wall arranged beside a rare earth ore side slope, and the retaining wall is provided with a drainage hole, a flow guide hole connected with a slope body and used for guiding and collecting ore leaching liquid. A gravel inverted filter layer is arranged between the retaining wall and the side slope, and the end, close to the side slope, of the drainage hole extends to the gravel inverted filter layer. According to the utility model, the problem that the drainage hole is blocked due to piping of the slope body in the liquid injection process can be prevented to a certain extent.

The invention belongs to the technical field of metallurgy, and particularly relates to a device and method for treating sefstromite, the device for treating the sefstromite comprises a rotary kiln, a feeding system, a ball mill and a magnetic separator, the rotary kiln comprises a barrel, a feeding pipe, a discharging pipe and a driving device, a heat insulation layer is arranged outside the barrel, at least one heating module is arranged outside the heat insulation layer, and the heating module is connected with the driving device. The heating module comprises an electromagnetic coil and an electromagnetic frequency conversion control cabinet, and the electromagnetic coil surrounds and wraps the heat insulation layer; the feeding system is connected with a feeding pipe of the rotary kiln and comprises a coal feeding system and a sefstromite feeding system; a discharging pipe of the rotary kiln is sequentially connected with the ball mill and the magnetic separator. The rotary kiln of the device adopts electromagnetic induction heating, the situation that a large amount of flue gas generated by combustion takes away mineral powder is avoided, the temperature in the rotary kiln is uniform and easy to control, and coal is adopted as a reducing agent, so that feeding of the mineral powder into the kiln is achieved, the reduction efficiency is higher, separation of iron, vanadium and titanium is better facilitated, and efficient recovery of vanadium and titanium is facilitated.

The utility model relates to the technical field of water pipe extrusion molding, in particular to a hexagonal drainage pipe extrusion molding machine. According to the technical scheme, the extruder comprises an extruder barrel, a water outlet pipe and a water inlet pipe, one end of the extruder barrel is connected with a forming die pipe, the tail end of the forming die pipe is connected with a cooling outer pipe, hexagonal outer walls are arranged on the outer surfaces of the forming die pipe and the cooling outer pipe, and a forming die column is installed in the forming die pipe; two water flowing channels are arranged in the forming die column, a cooling inner pipe is connected to the end, close to the cooling outer pipe, of the forming die column, hexagonal outer walls are arranged on the outer surfaces of the forming die column and the cooling inner pipe, a partition plate is fixedly installed in the cooling inner pipe, and a branch pipe is connected to one end of the water inlet pipe. In the cooling and shaping process of the cooling inner pipe, the inner part and the outer part of the cooling inner pipe can be cooled at the same time, the cooling uniformity is improved, the defects of deformation, non-uniform wall thickness and the like are avoided, and the quality of the finished cooling inner pipe is improved.

The utility model provides a refrigerating box which comprises a box body, and further comprises a condenser, an expansion valve, a heat exchange assembly and a compressor which are sequentially connected in series to form a circulation loop, and further comprises a cold accumulation evaporator. The heat exchange assembly is arranged at the top of the box body and comprises a liquid inlet pipe, a plurality of heat exchange branch pipes and an air return pipe which are sequentially connected in series, and the heat exchange branch pipes are connected between the liquid inlet pipe and the air return pipe in parallel; the multiple cold storage evaporators are arranged on the top of the box body, the liquid inlet pipe and the air return pipe extend out of the box body, the liquid inlet end of the liquid inlet pipe is communicated with the expansion valve, and the air outlet end of the air return pipe is communicated with the compressor. According to the cold closet, cold air is diffused into the closet body through cold and hot air exchange, moisture in stored articles is prevented from being taken away by wind, and the storage quality is guaranteed; refrigerating media can be continuously supplied into the heat exchange assembly, and the cold storage evaporator can stably release cold.

The present application belongs to the technical field of heating element, and particularly relates to a preparation method and use method of a spiral heating element for air heating. The spiral heating element comprises a multilayer cylinder (2) formed by spiral winding at least two layers of heating sheets (1), and at least one shaping rod (3). The multilayer cylinder (2) has gaps (4) between two adjacent wall surfaces in the radial direction from the inside to the outside to form air flow channels. Each wall surface of the multilayer cylinder (2) has a hole (5), and each shaping rod (3) penetrates one hole (5) on each wall surface in the radial direction to shape the multilayer cylinder (2). The spiral heating element has a small volume, can achieve rapid heating, and has a large surface area in contact with air, so that efficient heat exchange can be achieved.

The embodiment of the invention provides a drawer sealing device and a refrigerator, and relates to the technical field of refrigeration, and the drawer sealing device comprises an upper cover plate located in a refrigerating chamber and fixed to an inner container of the refrigerating chamber; a first cavity is formed by the lower portion of the upper cover plate and the refrigerating chamber inner container. The drawer bucket is in sliding connection with the refrigerating chamber liner; the drawer bucket slides in the direction of entering the first cavity or moving away from the first cavity. The sealing cover plate is arranged on one side, close to the drawer bucket, of the upper cover plate; the sealing cover plate is obliquely arranged, and the distance between the sealing cover plate and the upper cover plate is sequentially increased from the outer side of the refrigerator to the interior of the refrigerator. The top surface of the drawer bucket is an inclined surface corresponding to the sealing cover plate; when the drawer bucket is completely located in the first cavity, the top face of the drawer bucket is connected with the sealing cover plate, so that sealing of the interior of the drawer bucket is achieved. According to the drawer sealing device, high sealing performance can be achieved, the structure is designed in a hidden mode, structural parts are prevented from occupying the storage space, and the attractiveness and applicability of the refrigerator interior trim are improved.

The invention belongs to the technical field of turpentine purification, and relates to a turpentine purification recovery device which comprises a rack and a recovery module obliquely arranged on the rack. The recycling module comprises a feeding frame and a treatment frame communicated with the feeding frame, an arc-shaped filter plate is arranged in the treatment frame, a discharging frame is connected to one side of the treatment frame, a spiral auger is rotationally arranged between the discharging frame and the feeding frame, a transmission frame is connected to the first end of the arc-shaped filter plate, and two rollers are rotationally arranged on the transmission frame; the end part of the spiral auger is connected with an inclined turntable; and the edge of the turntable is positioned between the two rollers on the transmission frame. The spiral auger conveys the solid impurities reserved on the arc-shaped filter plate to the direction of a higher position, and liquid attached to the solid impurities continuously falls off by utilizing gravity; and when the spiral auger rotates, the arc-shaped filter plate is automatically and synchronously driven to shake back and forth along the spiral auger, so that liquid attached to the solid impurities is shaken off, the attached liquid is prevented from being taken away by the solid impurities, and the separation effect is guaranteed.

The utility model discloses a hanging net for side slope ecological restoration soil dressing spray seeding, and relates to the technical field of side slope ecological restoration. Comprising a hanging net body which is used for covering a side slope; the hanging net anchoring pressing plate longitudinally covers the hanging net body in a pressing manner so as to cover the hanging net body and fix the hanging net body on the side slope; the first anchor nails are arranged on the hanging net anchoring pressing plate so as to fix the hanging net anchoring pressing plate on the side slope; the water diversion structure is arranged on the hanging net anchoring pressing plate and used for guiding accumulated water at the slope top position to the slope toe position from the position above the hanging net body. According to the device, the hanging net anchoring pressing plate is arranged on the hanging net body and combined with the anchor nails, the fixing reliability of the hanging net body is improved, meanwhile, the water diversion structure is arranged according to the area occupied by the hanging net anchoring pressing plate, water can be effectively drained to prevent soil from being scoured and taken away by heavy water, meanwhile, soil loss is effectively intercepted in combination with the soil dressing intercepting structure, and the soil dressing effect is improved. And the effect of soil dressing spray-seeding in ecological restoration of the side slope is better promoted.

This utility model discloses a printable and removable self-adhesive label, including a label body, a release paper layer, a removable adhesive layer covered on the release paper layer, a face material layer covered on the removable adhesive layer, and a silicone oil layer coated around the face material layer. The advantage of this utility model is that it avoids tearing and removing the label during the process of removing the protective film from the casing.

The utility model belongs to the technical field of brick aligning mechanisms, and particularly relates to a brick aligning mechanism which comprises a rack, a gathering and pushing assembly and a clamping assembly, the clamping assembly and the gathering and pushing assembly are longitudinally distributed on the rack, the clamping assembly is used for clamping bricks, and the gathering and pushing assembly is used for pushing the bricks from the periphery of the bricks. The utility model discloses and provides a brick aligning mechanism which can gather and clamp bricks in a second lower layer when a brick clamp destacks a brick stack, and then push bricks in an uppermost layer so as to damage the adhesion between the bricks in the upper layer and the bricks in the lower layer and prevent the bricks in the uppermost layer from taking away the bricks in the second lower layer when the bricks in the uppermost layer are taken away. Besides, in the brick taking process, the uppermost layer can be gathered together, and meanwhile, the bricks on the second lower layer are kept still, so that the bricks on the lower layer can be prevented from being pushed to be scattered in the brick taking process while the bricks are conveniently taken by the brick clamp, and favorable conditions are provided for subsequent taking of the bricks on the second lower layer.

The present invention discloses a method for recovering all elements of nickel-cobalt-manganese-oxide lithium waste, which belongs to the field of waste lithium battery recovery and solves the problems of large reagent consumption, complex process and large amount of sodium sulfate decahydrate that affects production in existing recovery methods. The method of the present invention comprises the following steps: mixing and calcining materials with carbon powder; slurry carbonization; pyrolysis; cyclic acid leaching, utilizing solubility characteristics, and controlling temperature to crystallize and precipitate different sulfates in steps. The present invention greatly reduces the generation of sodium sulfate and improves the fluency and continuity of production. Since there is no large amount of sodium sulfate decahydrate generated, the crystal water in the sodium sulfate decahydrate is prevented from taking away metallic lithium, and lithium loss is significantly reduced. The method of the present invention has a short process, is simple and easy to operate, does not use organic solvents, and saves production costs; does not use hydrogen peroxide, and does not have storage problems, safety problems, environmental problems, and equipment problems.