64results about How to "Block circulation" patented technology

The invention discloses a nursing type mixed fabric and a production method thereof. The nursing type mixed fabric is characterized by being formed by mixing milk silk fibres, Modal fibres, Newdal fibres and urethane elastic fibres which are taken as raw materials and being counted by raw material percentage by weight, a finished fabric is made of the following raw materials by weight: 10-55 percent of milk silk fibres, 20-50 percent of Modal fibres, 20-60 percent of Newdal fibres and 2-8 percent of urethane elastic fibres, and the gram weight of the finished fabric is 250-300g/M<2>. The nursing type mixed fabric has the aroma of milk silk, good heat preservation and ventilation property, natural skin nursing function and soft, smooth and silky feel. The invention also provides two coloration methods aiming at the nursing type mixed fabric. With the two coloration methods, each dyefastness index reaches or surpasses national standards.

The invention provides an aluminum-coated plastic energy-saving fire-resistant window. Square steel is fixedly installed in a PVC section chamber. A structural aluminum section is fixed on a PVC section and the square steel. The internal of the PVC section chamber and the external surface of the PVC section are bonded with refractory materials. After the assembly of the PVC section and the structural aluminum section is completed, an L-shaped glass support plate is installed on the PVC section, a lap of refractory materials is pasted in the same position of the PVC section, with the refractory materials covering the L-shaped glass support plate, then glass is put in, and a T-shaped protection component is installed. The invention also provides the fire protection method of the aluminum-coated plastic energy-saving fire-resistant window. The aluminum-coated plastic energy-saving fire-resistant window is tested according to the GB/T12513-2006 standard, and the time of fire-resistant integrity obtained is 60 min. Both the PVC section chamber and the surface of the PVC section are bonded with the refractory materials which can expand at high temperature to fully support softened PVC. The four corners of a window frame are connected by metal screw connectors, breaking the welding barrier of plastic steel window corners.

The invention provides an intelligent and safe elevator. The intelligent and safe elevator comprises a rechargeable battery mechanism, a disaster escape mechanism, a detection mechanism, a plurality of lifting mechanisms, a visual intercom mechanism, a fireproof mechanism, a function module and a communication module. By means of the technical means, when an emergency happens to the elevator, different lifting manners can be adopted in the elevator, and therefore it is ensured that a rechargeable battery achieves the optimal function, so that safe and effective running of the elevator is achieved. The technical problems that an existing elevator is likely to be disturbed, and consequently energy waste is caused, effective running cannot be ensured when a disaster happens, communication between passengers and the outside is not humanized enough, and remote calling or control cannot be achieved are effectively solved; and then the technical effects that the elevator runs intelligently and safely, energy is saved, effective running is ensured when the disaster happens, remote calling and control of the passengers are achieved, and humanized communication between the passengers and the outside is achieved are achieved.

The invention relates to a clamp for preparing graphene and a method for preparing graphene. The clamp comprises a horizontal top frame, a bottom frame and a loading tray, wherein the top frame and the bottom frame are fixedly connected through a first side plate, a second side plate and a baffle plate, which are vertically arranged; both the top frame and the bottom frame are of plane structures with openings in the middle parts; the top frame, the bottom frame, the first side plate, the second side plate and the baffle plate form a quad structure with an opening in one side surface; the first side plate and the second side plate are oppositely arranged in parallel; a plurality of tray grooves are uniformly formed in both the first side plate and the second side plate; two opposite side edges of the loading tray are respectively inserted in the tray grooves. The clamp reasonably utilizes the limited growth space in a process cavity, so that the quantity of the graphene thin films prepared in one batch is increased to the greatest extent to realize the minimization of the resource waste and the maximization of the cost while ensuring the quality of the prepared graphene thin films.

The invention provides a light-weight thermal-insulation type concrete material and a preparation method thereof. The preparation method of the light-weight thermal-insulation concrete material comprises the following specific steps: adding 0.1-0.2 part by weight of manganese dioxide into 1 part by weight of hydrogen peroxide with the mass concentration of 30-40%, adding the prefabricated slurry while stirring, uniformly stirring, carrying out vibration molding, and curing to obtain the light-weight thermal-insulation concrete material. Hydrogen peroxide is decomposed to generate gas under thecatalytic action of manganese dioxide, so that micro pores are uniformly formed in concrete, and light weight thermal insulation are achieved; meanwhile, a three-dimensional network structure is formed in a cement gel network by adjusting slurry components and forming polyaniline in the preparation process, the strength of the concrete is improved, the high-strength requirement of a building canbe met, and the application prospect is wide.

The invention provides a test tube storage device suitable for the cardiovascular department and a method thereof, and belongs to the technical field of cardiovascular department medical instruments. The test tube storage device suitable for the cardiovascular department comprises a storage box, at least one heat preservation device and a damping device. The storage box comprises a box body. an accommodating cavity and a refrigerating cavity are respectively formed in the box body; the heat preservation device is distributed in the containing cavity. The heat preservation device comprises a heat preservation pipe, a base and a sealing cover. The push rod pushes the rotating disc to rotate to drive the first sliding block at the bottom of the opening and closing plate to slide along with the sliding groove of the rotating disc, so that the guide rod moves towards the outer side of the cover body in the guide hole. Through the guiding effect of the guiding hole on the guiding rod, the opening and closing plate changes the angle along with the guiding hole, so that the opening and closing plate tends to move away from or close to complete opening and closing of the second through hole; the test tubes can be conveniently taken, and the heat preservation cavity can be sealed in time to block air circulation.

The invention discloses an industrial robot traction demonstration system, and relates to the field of robots. The industrial robot traction demonstration system comprises a mechanical arm with multiple degrees of freedom; the mechanical arm comprises a base and a plurality of movable arms; a movable joint is arranged between every two adjacent movable arms, and the movable arms are sequentially connected with the base by the movable joints; a U-shaped bag is arranged between every two adjacent movable arms, and two ends of each U-shaped bag are correspondingly in fixed connection with the twoadjacent movable arms; each U-shaped bag is internally provided with a magnetic valve dividing the U-shaped bag into two parts; a though hole is formed in the side, away from the base, of each U-shaped bag; a film is arranged at each through hole; a strip-shaped pipe is connected with the film at each U-shaped bag; a cone-shaped cover shell is in sleeving connection with the end, away from the corresponding U-shaped bag, of each strip-shaped pipe; and each cone-shaped cover shell is internally provided with a spring piece. According to the industrial robot traction demonstration system, the problem of danger caused by sudden power-off during traction demonstration of an existing robot is solved; and an industrial robot traction demonstration system capable of sending a warning during thesudden power-off of a robot to guarantee safety of workers near the robot is achieved.

The invention provides a preparation method of a low-smoke flame-retardant modified polyethylene foaming material for a cavity of an automobile. The method comprises the steps: firstly, preparing a foaming masterbatch by using a plastic mixer, that is, placing linear low density polyethylene resin and a nucleating agent into an internal mixer, adding levapren rubber and olefin elastomer resin to be internally mixed, then, internally mixing ethylene-propylene-diene rubber and butadiene rubber in the internal mixer, and finally, discharging to obtain the foaming masterbatch; and then, preparing a foaming material mixture by using an open mill, that is, mixing the foaming masterbatch, a foaming promoter, a crosslinking agent and a crosslinking promoter in the open mill, delivering the foaming material mixture into an extruder, and carrying out extrusion molding on the foaming material mixture to form a sheet, i.e., the low-smoke flame-retardant modified polyethylene foaming material for the cavity of the automobile. The foaming material has the height ratio of larger than or equal to 800% and the foaming ratio of over 3000% at the temperature of 140-180 DEG C, so that the expected excellent effects of low smoke, flame retardance and soft and hard-knot-free surface after foaming are achieved, and the environment friendliness and safety of the automobile are improved.

The invention discloses a milk silk quilt which comprises a bedding bag and a quilt core, wherein the bedding bag is made of ice silk fabrics, is smooth and cool, and has better shape maintaining property and drapability; and the quilt core is formed by mixing and processing milk fibers and silk fibers. The milk protein fibers are protein fibers extracted from milk, are soft and smooth, and have better thermal insulation property and elasticity. The milk silk quilt has the functions of moisture removal and ventilation, mite prevention, antibiosis and the like, and has better derma sensitive property and capabilities of promoting cell metabolism of a human body and improving sleeping quality.

The invention relates to the technical field of furniture supplies, in particular to a hollow heat-preserving door curtain. The hollow heat-preserving door curtain is characterized by comprising at least one door curtain body, a fastening piece is connected to the upper edge of the door curtain body and used for being installed on a door frame or a wall, and the upper edge of the door curtain body can be clamped into the fastening piece in a connecting mode. The door curtain body is designed to be of the width of 30cm or 40cm, and the height of the door curtain body can be cut freely in order to meet the installation requirements of all door bodies. Due to the fact that the hollow door curtain design is adopted for the hollow heat-preserving door curtain, circulation of the inside air and the outside air is effectively obstructed, and the heat preserving effect is improved. Due to the fact that the hooking method is adopted for connection and installation, holes do not need to be punched for installation any more, and the hollow heat-preserving door curtain can be installed without using professional installation tools and needing special installation personnel. All the components can be produced in a standardized mode, thus, production cost is effectively reduced, and the hollow heat-preserving door curtain is convenient to store, transport and sell.

The invention discloses a light aggregate self-leveling material, a preparation method and a construction method. Coal gangue powder, gypsum and the like are used as raw materials; prefabricated particles are obtained through formation of polyaniline and decomposition of hydrogen peroxide; tetraethoxysilane, trimethyl borate and aluminum nitrate are taken as raw materials to prepare aerogel; perlite, floating beads, prefabricated particles and aerogel are used as raw materials to prepare light aggregate, and finally gypsum, cement, mineral powder, the light aggregate, a defoaming agent, methylcellulose, a thickening time control agent, a water reducer and a waterproof agent are fully mixed to obtain the light aggregate self-leveling material, which is light, environmentally friendly, goodin construction performance and easy to construct.

The invention discloses an antiperspirant mint cream. The cream is prepared from the following components according to certain weight proportion: 1-3% of menthol, 0.5-4% of mint oil, 0.5-3% of camphor, 10-20% of basic aluminum chloride, 4-12% of glycerol, 0.7-2% of triethanolamine, 0.2-2.5% of vitamin C, 2-5% of glycerol monostearate, 5-9% of octadecanol, 1-4% of beewax, 3-10% of liquid wax, 0.1-0.5% of ethyl p-hydroxybenzoate, 0.1-0.5% of butylparaben and the balance of deionized water. The invention has the beneficial effect that the antiperspirant mint cream can inhibit excessive discharge of sweat, clean the skin, inhibit the breeding of bacteria, and prevent or eliminate the generated odor; the added metal salt astringent namely basic aluminum chloride can coagulate the protein on the skin surface, make the sweat gland swelling and congest sweat from circulation, thereby inhibiting or reducing the excessive secretion of sweat.

The invention discloses a refrigerator. The refrigerator comprises a box body, a door body, an evaporator, a left sealing block and a right sealing block, wherein the evaporator comprises multiple evaporation pipes and multiple connection parts connecting the evaporation pipes end to end; the evaporation pipes are respectively mounted between a left mounting plate and a right mounting plate, and the connection parts are respectively located in a left-side reserved space and a right-side reserved space; the left sealing block and the right sealing block are respectively mounted in the left-side reserved space and the right-side reserved space; and assembly slots adaptive to the connection parts are respectively formed in the right side surface of the left sealing block and the left side surface of the right sealing block. According to the refrigerator disclosed by the embodiment of the invention, the left sealing block and the right sealing block are respectively mounted on the two sides of the evaporator and can prevent cold air from circulating on the two sides of the evaporator, and thus the cold air is subjected to sufficient heat exchange through the evaporation pipes of the evaporator. Therefore, the cold air utilization rate of the evaporator is improved, a defrosting effect is improved, and energy consumption is reduced.

The invention relates to a vertical smoke tube type biomass boiler. The vertical smoke tube type biomass boiler is overall of a vertical structure, and comprises a boiler body. A combustion chamber is arranged on the lower portion in the boiler body, and a strile-back chamber communicating with the combustion chamber through a threaded smoke tube is arranged on the upper portion in the boiler body. A baffle is arranged in the threaded smoke tube in the axial direction, and a plurality of small holes in circular truncated cone shapes are formed in the baffle. A gas outlet is formed in the lower portion of the boiler body, and the strile-back chamber communicates with the gas outlet through a return smoke tube. A liquid inlet and a liquid outlet are formed in the boiler body, a liquid cavity communicating with the liquid inlet and the liquid outlet is formed in the boiler body, and the liquid cavity is in contact with the threaded smoke tube, the return smoke tube and the outer wall. The baffle is arranged in the threaded smoke tube, the multiple small holes are formed in the baffle, and by means of the arranged baffle, harmful matter can be further stopped from entering the strile-back chamber. Upward flowing of smoke cannot be stopped through the small holes formed in the baffle. Meanwhile, according to the structure, the flowing time of the smoke in the threaded smoke tube can be further prolonged, and heat exchange efficiency is further improved.

The invention discloses an environment-friendly concentrated brine treatment device. The device comprises a box body; a partition plate which is horizontally arranged is welded on the inner wall of one side of the box body; main heaters which are distributed at equal distances are fixed on the inner wall of the bottom of the box body through bolts; the output end of each main heater is in contactwith the bottom of the partition plate; a feeding opening is formed in the outer wall of one side of the box body; a hinge is fixed on the top of the box body through bolts; and a top cover is hingedto one side of the hinge. According to the device, concentrated brine in the box body can be pumped to be drained to a wave plate from a drainage pipe for further drainage, so that evaporation of theconcentrated brine is promoted, the wave plate can be prevented from blocking gas circulation, and thus more gas is promoted to pass through a ventilation pipe. Steam is promoted to flow into an exhaust pipe, and the wave plate can be heated, so that the concentrated brine flowing through the wave plate can be heated. An inclined upward kinetic energy can be provided for the concentrated brine onthe upslope to promote upward movement of the concentrated brine, and evaporation efficiency of the device is improved.

The invention discloses an injection mold device for automobile sealing parts and relates to the technical field of the automobile sealing parts. The injection mold device comprises an upper mold base and a lower mold base arranged corresponding to the upper mold base, mold grooves are formed in the upper mold base and the lower mold base correspondingly, an injection molding opening is formed in the upper portion of the upper mold base, a connection stabilizing mechanism is arranged on the outer side of the top of the injection molding opening, a movable swing groove is formed in the position, close to the lower portion, of the interior of the injection molding opening, guide limiting mechanisms are evenly and fixedly connected to the top end of the interior of the movable swing groove, and a separation shoveling mechanism is arranged in the position, below the movable swing groove, of the interior of the inner wall of the injection molding opening. According to the injection mold device for the automobile sealing parts, automatic discharge of air is achieved through injection pressure, and the influence of injection air on the injection molding quality is avoided.