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33results about How to "Effective break" patented technology

Direct-casting type anti-track agent and preparation method

ActiveCN102585522AImprove plasticityHigh modulus at room temperatureBuilding insulationsWaxPolyester
The invention discloses a direct-casting type anti-track agent, which is formed by the following components by weight in mixing mode: 20 to 40 parts of regenerative polyolefine plastic, 10 to 20 parts of regenerative polyester plastic, 2 to 10 parts of regenerative wax, 2 to 10 parts of organic powder body with small particle size and 5 to 10 parts of gilsonite. A preparation method of the direct-casting type anti-crack agent and a method for preparing asphalt mixture by adopting the direct-casting type anti-crack agent are further disclosed. Particles of the direct-casting type anti-crack agent can be directly cast in hot aggregate on construction sites to be mixed with the hot aggregate in drying mode, intermittent construction can be conducted, and the direct-casting type anti-track agent lowers or reduces probability of separation of modified asphalt in the cooling, transporting and storing processes, and break through limit and restraint brought by continuous production and construction.
Owner:SHANGHAI PUDONG ROAD & BRIDGE GRP CO LTD

Air-breathing photo-assisted biomass fuel cell and use thereof

The invention relates to an air-breathing photo-assisted biomass fuel cell. The fuel cell can transform optical energy and biomass energy into electric energy through optical excitation. The fuel cell comprises a light window, a liquid storage chamber, sealing washers, an anode fixed plate, an anode diffusion layer, a membrane electrode, a cathode gas diffusion layer, a cathode collector plate and an end plate. The inner sides of the anode fixed plate and the cathode collector plate are respectively provided with the sealing washers. The membrane electrode is arranged between the two sealing washers. The membrane electrode located at one side of the cathode collector plate is provided with the cathode gas diffusion layer. The membrane electrode located at one side of the anode fixed plate is provided with the anode diffusion layer. The outer side of the cathode collector plate is provided with the end plate. The outer side of the anode fixed plate is provided with the liquid storage chamber. The sealing washer is arranged between the liquid storage chamber and the anode fixed plate. The light window is laid in the hollow part of the middle of the front side of the liquid storage chamber. The light window is used as a light entrance port. A photo anode and a fuel solution are arranged in the liquid storage chamber. The fuel cell provides a cheap and eco-friendly novel approach of conversion of solar energy and biomass energy into electric energy.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI

Thermochemical modified starch, preparation method and method for preparing adhesive by using thermochemical modified starch

The invention discloses thermochemical modified starch, a preparation method and a method for preparing an adhesive by using the thermochemical modified starch and relates to modified starch and adhesives prepared by using the starch. The method is used for solving the technical problems of the existing starch adhesives that the water resistance is not ideal, the transportation cost is high, and the starch modification process is complicated. The thermochemical modified starch is prepared through uniformly spraying an acid solution into the starch, carrying out uniform mixing, then, carrying out heating treatment, carrying out baking, carrying out cooling, and then, carrying out crushing. The method for preparing the adhesive comprises the following steps: adding polyvinyl alcohol into a reactor pot with stirring, heating and cooling devices, adding water, adopting a staged-heating method to dissolve the polyvinyl alcohol with stirring, and then, cooling to room temperature; adding the thermochemical modified starch, carrying out stirring at room temperature, and then, adding polymethylene polyphenyl polyisocyanate, thereby obtaining the adhesive. According to the method, by using the technological characteristic that the starch-based adhesive is prepared by only adding the water to the thermochemical modified starch before use, the problem that the traditional solution type starch main agents are low in transportation efficiency and are prone to layering and mildewing is solved.
Owner:NORTHEAST FORESTRY UNIVERSITY

Steel wire straightener convenient to maintain

InactiveCN108311611AEffective maintenanceForward effectiveEngineering
The invention relates to the field of steel wire straightening, in particular to a steel wire straightener convenient to maintain. The steel wire straightener comprises a workbench, a left side straightening component and a right side straightening component. A rotating barrel of a hollow structure is arranged between the left side straightening component and the right side straightening component. A cutting-off blanking component is arranged at one side of the left side straightening component. The left side straightening component and the right side straightening component each comprise a locating block, an upper straightening roller and a lower straightening roller. The locating blocks are located at the top of the workbench. Each upper straightening roller and the corresponding lower straightening roller are symmetrically arranged at one side of the corresponding locating block. A first straightening motor is arranged at the bottom of the workbench. The rotating barrel is internally provided with multiple straightening blocks. Each straightening block is provided with a round via groove. The round via grooves are arranged to be coaxial with the rotating barrel. A second straightening motor is arranged at the bottom of the workbench. The steel wire straightener has the beneficial effects of being simple in structure, convenient to maintain at the later stage and the like. Asteel wire can be effectively straightened and fractured for blanking.
Owner:李丽芳

Roller pelletizer for sludge ceramsite granulation

The invention relates to a roller pelletizer for sludge ceramsite granulation and belongs to the technical field of pelletizing equipment. In order to solve the problems of low efficiency and high energy consumption at present, the invention provides the roller pelletizer for sludge ceramsite granulation. The roller pelletizer comprises a frame, a driving mechanism, a driving roller and a driven roller, wherein the driving roller is arranged on the frame in a rotatable form through a first rotating shaft; the driven roller is arranged on the frame in the rotatable form through a second rotating shaft; the driving roller and the driven roller are horizontally arranged; a plurality of through holes are formed along the circumferential directions of the roller walls of the driving roller andthe driven roller; the driving mechanism is capable of driving the first rotating shaft to drive the driving roller to rotate; a flywheel is fixed on the second rotating shaft of the driven roller; the flywheel is located on the outer side of the driven roller. The through holes and the flywheel are arranged, so that the overload damage of the power source, such as a motor, in the driving mechanism can be avoided, the energy-saving effect can be achieved, the sludge ceramsite can be prevented from attaching to the through holes, the pelletizing efficiency is increased and the performance of quickly pelletizing can be realized.
Owner:ZHEJIANG FANGYUAN BUILDING MATERIALS TECH

Grafting device for seed watermelons

The invention belongs to the technical field of grafting devices for seed watermelons, and in particular relates to a grafting device for the seed watermelons. The device comprises a base seat; two vertical plates are fixed on the upper end of the base seat, and the opposite side walls of the two vertical plates are separately and fixedly connected with one transverse plate; the side wall of one end, far away from one corresponding vertical plate, of each transverse plate is provided with one first adjusting mechanism, and one end, far away from one corresponding transverse plate, of each first adjusting mechanism is fixedly connected with one clamping plate; and the upper end cross section of each clamping plate is semicircular, the lower part of each clamping plate is arc-shaped, each clamping plate is provided with one second adjusting mechanism, each second adjusting mechanism is arranged near the upper end of one corresponding clamping plate, and the side wall of one end, close toone transverse plate, of each clamping plate is fixedly connected with one limiting mechanism. The device disclosed by the invention has the advantages that when a grafting method is used for grafting, scions or rootstock can be effectively prevented from being cut, scion seedlings obtained after grafting can be effectively fixed to prevent stems of the scion seedlings from being broken, and a survival rate of the scion seedlings obtained after the grafting of the watermelons can be effectively improved.
Owner:安徽省益丰生态农业科技有限公司

Oil preparation method via waste tire degradation

The invention relates to the technical field of oil preparation via waste tires and particularly relates to an oil preparation method via waste tire degradation. Clear lime water and a waste tire are mixed so that calcium ions and hydroxyl ions can react with oil effective components and sulfur-containing components in the tire; by controlling the heating rate in a nitrogen protection environment, the bonds S-S and S-C in the waste tire break to remove the sulfur components while retaining the oil components; by controlling the temperature at 400-450 DEG C and pressure at 16-18MPa and 1.1-3h of reaction at constant temperature under constant pressure, the bonds S-S and S-C in the waste tire can break effectively under the effect of a desulfurizing agent, and the requirements on equipment are lowered; and moreover, through 10-20min of constant-pressure treatment at a temperature of 200-270 DEG C, the oil components and metal oxides in the desulfurizing agent react with other impurity components in the waste tire, and the oil recovery rate reaches 63-71%.
Owner:贵州华宇橡胶科技有限公司

Clamp for machine tool processing

A clamp for machine tool processing comprises a bottom plate, two supports and a pair of bases, wherein a fixed cone body is arranged at the upper part of a left support and is connected to the left support through a connecting rod; the connecting rod is parallel to the bottom plate; a tip end of the fixed cone body faces the right side; an adjusting rod is in thread connection with the upper partof the right support, and a flat plate is arranged at the end part of the adjusting rod and is opposite to the fixed cone body; a chute is transversely arranged in the middle part of the upper surface of the bottom plate; the bases are correspondingly connected to the chute through sliding blocks in a sliding manner; an arc-shaped gap is formed in the top part of each base, and the two arc-shapedgaps are spliced to form a semicircle; a fixing plate which is fixed to the bottom plate is arranged at the outer side of each base; adjusting bolts are arranged on the fixing plates, and the end parts of the adjusting bolts are connected to the outer sides of the corresponding bases. The clamp is simple and reasonable in structure, easy to produce and manufacture, ingenious in design, novel in idea, and capable of effectively fastening a workpiece; a milling cutter or a processed object is prevented from breaking and cracking, so that the economic loss is avoided.
Owner:句容新禾五金电器有限公司

Anti-fall and mouse-proof board

The invention discloses an anti-drop and rat-proof board, comprising a rat-blocking part, a mounting part for installing the rat-blocking part, and a monitoring part. The second mouse blocking plate, one end of the first mouse blocking board away from the second mouse blocking board is provided with a safety pin fixing piece, the safety pin fixing piece 1 is installed on the upper and lower ends of one side of the first mouse blocking mouse board, and the safety pin fixing piece A safety pin shaft is connected between the two safety pin fixing parts, a proximity switch is arranged on the door frame, a proximity switch block is arranged on the first mouse-blocking plate close to one side of the door frame and opposite to the proximity switch, and the proximity switch is electrically connected with an alarm buzzer. buzzer and warning light; the invention adjusts the nested second anti-rat boards to adapt to different widths according to the width of the door frame of different power distribution rooms, and is fixed; a fracture stress adjustable safety pin is set at the corresponding position as a safety device to prevent Causing people to trip and fall; set and install proximity switches for position detection to prevent small animals from taking the opportunity to enter.
Owner:SD STEEL RIZHAO CO LTD

Anti-falling rat-proof plate

The invention discloses an anti-falling rat-proof plate. The anti-falling rat-proof plate comprises a rat blocking portion, a mounting portion and a monitoring portion, wherein the mounting portion isprovided with the rat blocking portion, the rat blocking portion is provided with a first rat blocking plate and a second rat blocking plate nested with the first rat blocking plate, safety pin fixing parts I are installed at the upper end and the lower end of one side of the first rat blocking plate, a safety pin shaft is connected between each safety pin fixing part I and each safety pin fixingpart II, a proximity switch is arranged on a door frame, and a proximity switch stop block is arranged on one side, close to the first rat blocking plate, of the door frame, and at the position opposite to the proximity switch; and the proximity switch is electrically connected with an alarm buzzer and a warning lamp. According to the anti-falling rat-proof plate, the second rat blocking plate which is connected in a nested mode is adjusted according to the width of the door frames of different power distribution rooms to adapt to different widths, and is fixed; and the breaking stress-adjustable safety pin shafts are arranged at the corresponding positions to be used as safety devices, so that a person is prevented from injuring due to falling; and the proximity switch is arranged and installed for position detection so as to prevent small animals from entering.
Owner:SD STEEL RIZHAO CO LTD

Method for preparing biomass retarder from agricultural wastes, and application of biomass retarder

The invention provides a method for preparing a biomass retarder from agricultural wastes, and application of the biomass retarder. The method comprises the following steps: 1) performing high-energy ball milling on the agricultural wastes to obtain agricultural waste powder; 2) carrying out directional wet degradation on the agricultural wastes obtained in the step 1) through a metal-loaded solid acid catalyst; and 3) carrying out solid-liquid separation on the wet decomposition product to obtain the liquid biomass retarder, and recovering the catalyst at the same time. The biomass retarder prepared by the invention is good in water solubility, green, degradable, excellent in performance and low in cost, the whole production process is low in energy consumption and small in pollution, and the biomass retarder can be used as a cement retarder in cement admixtures. The invention provides a feasible technical path for high-value utilization of agricultural wastes and application of the agricultural wastes in the field of construction industry.
Owner:JIANGSU ACADEMY OF AGRICULTURAL SCIENCES

Furniture surface paint remover and preparation method thereof

The invention discloses a furniture surface paint remover which is prepared from the following components in parts by weight: 42-45 parts of 3,4-hexanedione, 25-30 parts of bromoacetaldehyde ethylene acetal, 12-15 parts of polyethylene glycol dimetyl ether, 19-23 parts of di(isooctyl) phosphate, 12-14 parts of diphosphonic acid, 20-25 parts of propylene glycol phenyl ether, 22-24 parts of tetrachloroethylene, 8-10 parts of sodium dodecyl benzene sulfonate, 2-4 parts of ammonium bisulfate and 8-10 parts of deionized water. The furniture surface paint remover is environment-friendly, does not harm the health of an operator, is significant in effect, and has an excellent paint removal effect on multiple paints on the furniture surface; according to the paint remover, paint removal is carried out in a brushing form, the operation is simple, the paint removal time is short and the re-painting effect on the furniture surface from which the paint is removed is significant.
Owner:ANHUI BORUITE HOUSEHOLD DECORATIONS CO LTD

Convenient and fast type hardware tool clamp

The invention discloses a convenient and fast type hardware tool clamp. The hardware tool clamp comprises a bottom plate, a pair of sliding plates and two adjusting bolts; the left side edge and theright side edge of the bottom plate are provided with supporting plates correspondingly, the two supporting plates are arranged in parallel, the front side edge and the rear side edge of the bottom plate are provided with sliding grooves correspondingly, and the two sliding grooves are arranged in parallel; the bottoms of the pair of sliding plates are connected with the sliding grooves in a sliding mode through sliding blocks correspondingly, threaded holes are formed in the two supporting plates correspondingly, the two adjusting bolts are in threaded connection with the corresponding threaded holes correspondingly, and the ends of the two adjusting bolts are connected to the outer sides of the corresponding sliding plates correspondingly; and semicircular notches are formed in the innersides of the two sliding plates correspondingly, semi-arc clamping pieces are arranged in the semicircular notches, and the two semi-arc clamping pieces are oppositely arranged. According to the hardware tool clamp, the structure is simple and reasonable, producing and manufacturing are easy, the design is ingenious, the conception is novel, a workpiece can be effectively fastened, a milling cutter or a machined article can not be fractured, and economic loss is avoided.
Owner:句容新禾五金电器有限公司

Method for preparing aviation oil precursor by catalytic depolymerization of alkali lignin in ethanol-water solvent through cooperation of Pd/C catalyst and alkali catalyst

The invention discloses a method for preparing an aviation oil precursor by catalytic depolymerization of alkali lignin in an ethanol-water solvent through cooperation of a Pd / C catalyst and an alkali catalyst. The method comprises the following steps: taking alkali lignin as a raw material, adding an ethanol-water two-phase solvent into the raw material as a reaction solvent, respectively adding the Pd / C catalyst and a NaOH catalyst for depolymerization reaction, and after the reaction is finished, obtaining the aviation oil precursor. According to the method, alkali lignin is efficiently depolymerized through a reaction system of Pd / C, the NaOH catalyst and the ethanol-water two-phase solvent to prepare the aviation oil precursor, wherein the NaOH homogeneous alkali catalyst overcomes the problem that the yield of monocyclic aromatic compounds is low due to mutual competition of hydrodeoxygenation and hydrogenolysis bond breaking of a carbon-based metal catalyst; and the Pd / C catalyst has the hydrogenation activity Pd metal center, such that the heavy polymerization aggravation problem when the NaOH is adopted as the catalyst can be inhibited; the selectivity and the yield of the alkali lignin converted into the monocyclic aromatic compound can be improved by using the reaction system, the product complexity can be reduced, and the efficient depolymerization of the alkali lignin can be achieved to prepare the monocyclic aromatic compound.
Owner:GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI

An anti-broken needle device of a calibration instrument

The invention discloses an anti-broken needle device of a standard matching instrument, which comprises a base, a fixed plate, a slider, a liquid transfer needle, a position detection device and a flexible positioning device, and a device for the slider to go up and down is arranged between the fixed plate and the base. A sliding slide, the slide is installed in the slide, the pipetting needle is fixed at the bottom of the slide, and the flexible positioning device is used to apply a lateral contact force to the slide, so that the slide is fixed in the slide. The flexible positioning device includes a positioning ball, a positioning spring, and a positioning groove arranged on the side of the slider to match the positioning ball. A horizontal sliding hole is provided on the fixing plate, and the positioning ball can be freely slidably installed in the horizontal sliding hole for positioning. One end of the spring is in contact with the positioning ball, and the other end is fixed in the horizontal sliding hole. The elastic force of the positioning spring makes the positioning ball keep the pretightening force stuck in the positioning groove. The present invention can detect the deviation of the pipetting needle in time, can feedback the abnormal operation of the pipetting needle in time, and effectively prevents the abnormal breakage of the pipetting needle.
Owner:HUBEI UNIV OF TECH

Treatment method for improving safety of liquid light hydrocarbon storing tank

The invention discloses a treatment method for improving the safety of a liquid light hydrocarbon storing tank. Special surface treatment is conducted on the inner surface of the tank, and a surface treatment method specifically comprises the following steps: (1) polishing treatment, (2) shot blasting treatment, (3) oil removing and cleaning treatment, (4) paint coating treatment, (5) irradiationtreatment and (6) heat-preservation treatment. According to the treatment method for improving the safety of the liquid light hydrocarbon collecting tank, the using stability and safety of the collecting tank are improved effectively.
Owner:安徽启东热能科技有限公司

Rose flower hydrosol as well as extraction method and application thereof

The invention provides rose flower hydrosol as well as an extraction method and application thereof. The method comprises the following steps: (1) carrying out protein removal: carrying out protein removal treatment on rose flower powder; (2) extracting: adding an extraction solvent into a protein-removed rose flower sample and adding a mixture into a reaction kettle; extracting to obtain the roseflower hydrosol. The extraction method provided by the invention has a simple technology; high-pressure hydrothermal extraction, protein removal and de-coloring treatment are combined, so that the content of water-soluble polysaccharides in the rose flower hydrosol and the transparency of the rose flower hydrosol are remarkably improved.
Owner:GUANGZHOU HUANYA COSMETIC SCI & TECH CO LTD

Luminescent material and production method thereof

The invention relates to a luminescent material and a production method thereof. Part of calcium oxide is replaced with alkali metal oxide, a glass network is effectively enabled to be broken, calciumfluoride crystallization is promoted, and the luminescent property of a product material is improved; by means of control for reasonable reaction conditions and parameters in a preparation process, the luminescent material has good luminescent property and physical performance, the service life is prolonged, furthermore, the preparation process is simple and convenient, special reaction atmosphere is not needed, a reaction can be performed in conventional air atmosphere, and besides, the process is simple, easy to operate and suitable for industrial production.
Owner:ZHONGSHAN LVLANG ADDITIVES CO LTD

A kind of seed melon grafting device

The invention belongs to the technical field of grafting devices for seed watermelons, and in particular relates to a grafting device for the seed watermelons. The device comprises a base seat; two vertical plates are fixed on the upper end of the base seat, and the opposite side walls of the two vertical plates are separately and fixedly connected with one transverse plate; the side wall of one end, far away from one corresponding vertical plate, of each transverse plate is provided with one first adjusting mechanism, and one end, far away from one corresponding transverse plate, of each first adjusting mechanism is fixedly connected with one clamping plate; and the upper end cross section of each clamping plate is semicircular, the lower part of each clamping plate is arc-shaped, each clamping plate is provided with one second adjusting mechanism, each second adjusting mechanism is arranged near the upper end of one corresponding clamping plate, and the side wall of one end, close toone transverse plate, of each clamping plate is fixedly connected with one limiting mechanism. The device disclosed by the invention has the advantages that when a grafting method is used for grafting, scions or rootstock can be effectively prevented from being cut, scion seedlings obtained after grafting can be effectively fixed to prevent stems of the scion seedlings from being broken, and a survival rate of the scion seedlings obtained after the grafting of the watermelons can be effectively improved.
Owner:安徽省益丰生态农业科技有限公司

Thermochemically modified starch and its preparation method

The invention discloses thermochemical modified starch, a preparation method and a method for preparing an adhesive by using the thermochemical modified starch and relates to modified starch and adhesives prepared by using the starch. The method is used for solving the technical problems of the existing starch adhesives that the water resistance is not ideal, the transportation cost is high, and the starch modification process is complicated. The thermochemical modified starch is prepared through uniformly spraying an acid solution into the starch, carrying out uniform mixing, then, carrying out heating treatment, carrying out baking, carrying out cooling, and then, carrying out crushing. The method for preparing the adhesive comprises the following steps: adding polyvinyl alcohol into a reactor pot with stirring, heating and cooling devices, adding water, adopting a staged-heating method to dissolve the polyvinyl alcohol with stirring, and then, cooling to room temperature; adding the thermochemical modified starch, carrying out stirring at room temperature, and then, adding polymethylene polyphenyl polyisocyanate, thereby obtaining the adhesive. According to the method, by using the technological characteristic that the starch-based adhesive is prepared by only adding the water to the thermochemical modified starch before use, the problem that the traditional solution type starch main agents are low in transportation efficiency and are prone to layering and mildewing is solved.
Owner:NORTHEAST FORESTRY UNIVERSITY

Needle breakage preventing device of standard solution preparation instrument

The invention discloses a needle breakage prevention device of a standard solution preparation instrument. The needle breakage prevention device comprises a base, a fixing plate, a slider, a pipettingneedle, a position detection device and flexible positioning devices, wherein a slideway for the slider to slide up and down is arranged between the fixing plate and the base, the slider is mounted in the slideway, the pipetting needle is fixed at the lower part of the slider, and the flexible positioning devices are used for applying a lateral contact force to the slider so as to allow the position of the slider in the slideway to be fixed. Each flexible positioning device comprises a positioning ball, a positioning spring and a positioning groove which is formed in the side portion of the slider and matched with the positioning ball, wherein a transverse sliding hole is formed in the fixing plate, the positioning ball is installed in the transverse sliding hole in a free sliding mode, one end of the positioning spring makes contact with the positioning ball, the other end of the positioning spring is fixed in the transverse sliding hole, and the positioning ball keeps pre-tighteningforce and is clamped in the positioning groove through the elastic force of the positioning spring. According to the invention, the deviation condition of the pipetting needle can be detected in time, the abnormal operation of the pipetting needle can be fed back in time, and the pipetting needle is effectively prevented from being broken due to abnormity.
Owner:HUBEI UNIV OF TECH
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