271results about How to "Reduce crush" patented technology

The invention relates to a method for manufacturing a glazed brick by utilizing silico-calcium slag, belonging to the technical field of ceramic manufacture. The glazed brick comprises the following raw materials in percentage by weight: 5%-40% of the silico-calcium slag, 0%-10% of Dongsheng clays and 50%-95% of bamboo partridge tower clays. Due to the adoption of the invention, the shortage crisis of raw mineral materials is weakened and the discharge of the silico-calcium slag is reduced, and an energy-saving type ceramic product is produced; the production energy consumption of ceramics can be reduced and the utilization efficiency of resources is enhanced by preparing low-temperature glaze materials adapted to calcium silicate because the firing temperature of a blank body is reduced through the calcium silicate contained in the silico-calcium slag; the invention not only reduces the pollution, but also increases a new member for building materials; and in addition, the novel glazed brick prepared by using the method has various properties which all accord with or surpass the national standard.

The invention discloses an automatic pressure-keeping machine for electronic product assembling. The automatic pressure-keeping machine comprises a transmission mechanism, a positioning and supportingmechanism and a pressure-keeping mechanism, wherein the transmission mechanism is horizontally arranged on a rack and comprises two support plates arranged at an interval in parallel; a synchronous belt is arranged on the inner side of the two support plates; a jig loaded with products needing pressure keeping is placed on the synchronous belt; a pressure-keeping station is arranged in the transmission mechanism; the positioning and supporting mechanism is arranged at the pressure-keeping station of the transmission mechanism; after the jig is positioned by the positioning and supporting mechanism at the pressure-keeping station, the positioning and supporting mechanism stretches into a through groove in the jig upwards to be propped against the product in the through groove upwards; thepressure-keeping mechanism is arranged above the pressure-keeping station; and the positioning and supporting mechanism penetrates through the jig to jack and support the product, the pressure-keepingmechanism moves downwards and stretches into the through groove from above to keep pressure for the product. The automatic pressure-keeping machine realizes automatic pressure-keeping for the productwith multiple accessories, has the pressure limiting function and ensures pressure consistency to prevent the accessories from having position offset or being damaged through compression during the pressure keeping process.

A clamp for crop stem bending test comprises a clamp holder (3) and a fixed chuck with an annular clamping cavity. The fixed chuck comprises a semicircular upper chuck (1) and a lower chuck (2), the bottom of the lower chuck (2) is fixedly connected with the clamp holder (3), and the upper chuck (1) is detachably connected with the lower chuck (2). A pushable arc-shaped inner chuck (4) is arranged in the annular clamping cavity of the clamp, the top of the inner chuck is vertically, upwardly and fixedly connected with a pitch adjusting screw (9), the pitch adjusting screw (9) is connected with a pitch adjusting nut (10) outside the fixed chuck through a hole at the top of the fixed chuck in a threaded manner, and a clamp groove (102) is arranged at the bottom of the pitch adjusting nut (10) and slidably clamped with a clamp ring (103) corresponding to the upper chuck (1). Straw positions with different diameters are fastened by the pushable arc-shaped inner chuck, the contact area of the inner surface of the clamp and surfaces of straws is increased, the pulling resistance of the clamp is improved, and the problem that ends of the straws are squashed is effectively reduced.

The invention provides a double boring bottom cylinder supporting tool. The double boring bottom cylinder supporting tool comprises a pedestal, and a positioning base, a slide block and an adjusting supporting base which are arranged on the pedestal, wherein a chute is formed along the vertical direction in the positioning base; a supporting block is arranged in the chute; an adjusting bolt is horizontally arranged on the adjusting supporting base and is connected with the slide block; the slide block is arranged below the supporting block; the bolt is connected with the slide block; the slide block is arranged below the supporting block; the matched surface between the upper surface of the slide block and the lower end of the supporting block is an inclined surface; a workpiece supporting opening is formed in the upper end of the supporting block. The angle of the combination surface between the supporting block and the slide block is reasonably used, the telescopic height of the tool is adjusted by relative displacement between the supporting block and the slide block, replacement of the tool during machining is avoided, the structure is convenient to operate, the double boring bottom cylinder supporting tool can be suitable for clamping bottom cylinders or cylindrical workpieces with different diameters, time and labor are saved during clamping, convenience is improved for workers, the production efficiency is improved, and the cost is reduced.

The invention provides a drying device, which comprises a cylindrical filter cartridge 11 coiled by a porous plate 13. The two ends of the cylindrical filter cartridge 11 are sealed by end plates 12. The inner side of the cylindrical filter cartridge 11 is served as a rotary barrel 1 for a drying chamber 2. The rotary barrel is driven to rotate by a drive mechanism 3. A heating air supply mechanism 4 forcibly sends heating air into the rotary barrel 1. In the rotary barrel 1, a plurality of rods 15 are arranged to be away from the inner side of the filter cartridge 11 so as to be into a cylindrical rod cylinder 5 and divide the drying chamber 2 into a first drying chamber 2A and a second drying chamber 2B. Due to the adoption of the drying device, materials to be dried are fed into the first drying chamber 2A through an opening part 20 and are dried in the first drying chamber 2A of the rotary barrel 1. Therefore, the materials fall through a dropping gap 16 into the second drying chamber 2B. Then the materials are further dried in the second drying chamber 2B and are discharged to the outside through the through holes 14 of the porous plate 13.

The invention discloses a peanut shelling and sorting machine which comprises a machine body, a shelling device, a sorting mechanism and a discharging port. The machine body is provided with a feeding port, the shelling device comprises a conveying mechanism, a pressing roller and a squeezing plate, a squeezing gap is formed between the pressing roller and the squeezing plate to crack shelled peanuts, the conveying mechanism comprises a first conveying belt, a first driven drum and a first driving drum, the upper portion of the first conveying belt is positioned in the squeezing gap, and driven by the first driving drum, the first conveying belt can convey the shelled peanuts to the squeezing gap; the sorting mechanism comprises a plurality of sorting frames, a second conveying belt and an air blower, the sorting frames are all arranged on the second conveying belt, and the air blower is arranged above the second conveying belt and can blow air into the sorting frames. The shelled peanuts are squeezed and cracked through squeezing force between the pressing roller and the squeezing plate in the shelling mechanism, and then peanut shells and peanut kernels are separated through air flow generated by the air blower, so that the peanut shelling and sorting machine has good separation effect.

The invention belongs to the field of environmental protection technology and denitration catalysis, and particularly relates to a reutilization method of an inactivated SCR denitration catalyst. Thereutilization method specifically comprises the following steps: soot blowing, cleaning by a cleanout fluid, reductive acid leaching, auxiliary agent loading, active component loading and the like. Bytaking the integral inactivated SCR denitration catalyst as a raw material, the low-temperature SCR denitration catalyst is obtained by carrying out in situ regeneration. The regeneration catalyst has very high catalytic activity and sulfur poisoning resistance in a temperature range of 150-300 DEG C.

The invention discloses a forming method for modifying biomass fuel by a rapid thermal treatment process in the technical field of biomass fuel preparation. The preparation method of the forming fuel comprises the following steps: crushing biomass material into particles of which the diameter is less than 1 cm; performing rapid thermal treatment in a condition of limited oxygen supply or without oxygen, and collecting and obtaining thermo-modified biomass; crushing the obtained thermo-modified biomass; and adding binder and mixing in a forming machine to prepare the forming fuel. Through the method disclosed by the invention, the fiber structure of the biomass raw material can be damaged, and the flexibility is reduced so that the biomass raw material is easier to crush and grind; thus, the crushing and forming power consumption is obviously reduced, and the heat value and stability of the forming fuel are remarkably improved; moreover, as the liquid byproduct is used as the binder, heating is not required in the forming agglomeration process, the abrasion of the mechanical equipment is reduced, the durability of the forming fuel is improved, and the preparation cost is effectively lowered.

The invention provides a method and device for improving the opening degree control precision of a finish rolling side guide plate, and relates to the technical field of silicon steel production. The first set value of the side guide plate is obtained; according to the first set value, it is determined that the side guide plate is closed to the first opening degree, and calibration is conducted; when strip steel arrives at an inlet of a finishing mill, the second set value of the side guide plate is obtained; the side guide plate is opened to the third opening degree, the side guide plate is closed to the second opening degree; after the strip steel enters a roller, the third set value of the side guide plate is obtained; it is determined that the side guide plate is closed to the fourth opening degree; before the tail of the strip steel arrives at the side guide plate, the fourth set value of the side guide plate is obtained; and it is determined that the side guide plate is opened to the fifth opening degree. The technical problem that due to the frame allowance of the side guide plate, the opening degree precision is influenced, and consequently steel clamping is likely to be caused during strip steel rolling is solved, and the technical effects that the influences of the frame allowance of the side guide plate on the opening degree precision are weakened, and the strip steel threading stability is improved are achieved.

The invention relates to a polytetrafluoroethylene punched felt. From the outside to the inside, the structure of the punched felt comprises a polytetrafluoroethylene crimped staple layer, a polytetrafluoroethylene filament base fabric and a polytetrafluoroethylene crimped staple layer, wherein the thickness of the punched felt ranges from 0.8 to 1.8 millimeters; polytetrafluoroethylene crimped staples mutually hooked and crossed are inserted in the base fabric from upside and downside and tightly connected with the base fabric. The punched felt produced by the invention has the advantages of stable chemical properties, high filtering effect, high strength, low heating shrinkage, low material consumption, low cost, no smoke pollution and the like.

The invention relates to a propped, fractured, subterranean field with (a) a first proppant and (b) a second proppant that exhibits a relatively higher average crush strength and/or an ability to form a particle to particle bonded structure than the first proppant. Preferably, the first proppant is uncoated sand and the second proppant is resin-coated sand. The proppants can be deposited as a substantially homogeneous mixture or in layered structures (vertical or horizontal) within the fractured field. Deformation of the second proppant under closure stress acts to spread out the compression pressures in a mixture so as to reduce failure of the first proppant. Similar protective effects are found when the proppants are deposited in layers. When formed as vertical pillar structures, the second proppant structures can also act as in-situ screens that inhibit formation fines from migrating through the proppant pack to the detriment of field conductivity.

The invention relates to a component improvement structure for a peanut shelling machine particularly relates to a flexible hitting-rod assembly structure for a squeezing type breeding-peanut shelling machine, and belongs to the agricultural machinery. A hitting-rod roller (1) is a cylindrical soft elastomer, the middle part of the cylindrical soft elastomer is provided with a rotating shaft, and the periphery of the cylindrical soft elastomer is provided with semi-circular raided bars, i.e., the cross section of the cylindrical soft elastomer is in the shape of a flower disc, the middle part of the cross section is a circle, and a plurality of semi-circular raised sheets are raised outwards at the periphery of the circle, wherein the extradius of each semi-circular raised sheet is 1-2cm; a hitting-rod adjusting sleeve (3) can be used or not used according to the volume of the peanut pods; the hitting-rod adjusting sleeve (3) is a ringlike sleeve (soft elastomers) of different thickness; the inner circle of the hitting-rod adjusting sleeve (3) is a semi-circular groove, and the outer circle is a raised semi-circular sheet. The shape of the hitting rod of the existing hitting type peanut shelling machine is changed, the material of the hitting rod roller is changed, and the gap between an upper semi-circular raided bar and a lower concave grid can be adjusted conveniently and rapidly in a shorter time, the adaptability of the peanut shelling machine to the shelling of breeding peanuts of different varieties can be improved.

The invention belongs to the field of metal soft magnetic material manufacturing, and particularly relates to a method for manufacturing a modified silicon iron boron soft magnetic powder core with magnetic conductivity of 90. The method comprises the first step of embrittlement treatment, the second step of crushing, the third step of screening and matching, the fourth step of passivating treatment and insulation covering, the fifth step of modifying agent adding, the sixth step of compression moulding and the seventh step of annealing treatment and spraying. According to the method, the noise defect of the silicon iron boron soft magnetic powder core can be overcome, and the high-frequency performance of the silicon iron boron soft magnetic powder core can be improved.

The invention discloses a manufacturing method for express plastic packaging bags, and relates to the technical field of plastic products. A packaging bag includes an inner layer, a pressing preventing middle layer made of an air cushion film and an abrasion resistant outer layer; the manufacturing method includes the following steps: making an abrasion resistant plastic film of the abrasion resistant outer layer; sleeving a degradable plastic inner layer by the abrasion resistant outer layer; adding the air cushion film between the inner layer and the outer layer; sewing the outer layer, the middle layer and the inner layer together to obtain the packaging bag. Compared with the prior art, the method has the advantages that the manufacture is simple, the manufactured packaging bag is light, elastic and has the shock-proof and abrasion resistant performances as the shock-proof middle layer made of the air cushion film and the abrasion resistant outer layer are arranged and the air cushion film middle layer is filled with air; as the abrasion resistant layer adopts polyimide added with glass fiber and talcum powder, excellent abrasion resistance is achieved, and the probabilities of crushing damage of objects inside packages and abrasion damage of package bags are greatly reduced in case of crude package conveying manner.

The invention discloses a steam explosion and gelatinization method of Chinese liquor raw grains. The steam explosion and gelatinization method comprises the following steps of: washing and soaking grains by using hot water, exhausting water and naturally air-drying to ensure that the grains fully absorb the water and have the aperture opening ratio of 93 to 95 percent and the water content of 40to 45 percent; and putting the grains into a steam explosion tank at the temperature of between 80 and 90 DEG C, introducing dry steam until the pressure in the steam explosion tank is 1.5 to 3.0MPa,adjusting steam flow, keeping the pressure for 5 to 10 minutes, opening a discharge valve of the steam explosion tank, blowing the grains in a normal pressure material-accommodating tank through steam explosion, opening a door of a material-accommodating bin until the grain materials are all discharged and the pressure of the steam explosion tank is reduced to be zero, and collecting the grain materials. The steam explosion and gelatinization method has the advantages that: through a steam explosion effect, the utilization rate of the raw materials is increased, the using amount of bran hullsis reduced, and liquor yield is remarkably improved; and by the steam explosion, methanol in the Chinese liquor can be reduced and even eliminated, so that the safety of the Chinese liquor is improved; and crushing and cooking steps are removed from the liquor making process, so environmental pollution is avoided, and labor, energy consumption, and the brewing cost of the Chinese liquor are reduced.

The invention relates to a high efficiency soya-bean milk making method. A motor, a crushing cutter, a heating device, an anti-overflow electrode, a control unit and a cup are provided; and the control unit is electrically connected to the motor, the heating device and the anti-overflow electrode. The high efficiency soya-bean milk making method at least includes the flowing stages: (1) a preheating stage: the heating device heats water and a material in the cup, and when the temperature of liquid is less than a first preset temperature, the control unit neglects an overflow signal detected by the anti-overflow electrode; (2) a crushing stage: the motor drives the crushing cutter to rotate so as to crush the water and the material into milk, and then the next stage starts; and (3) a boiling stage: the heating device heating the milk till the milk is well done. Compared with the prior art, the high efficiency soya-bean milk making method can allow the temperature of the liquid to rise continuously and stably, can avoid influence on the milk making period due to fake boiling, and then achieves high efficiency soya-bean milk making.

The invention discloses an L-alpha-glycerophosphoryl choline film-coated tablet, which is applied to the pharmaceutical industry. The L-alpha-glycerophosphoryl choline film-coated tablet comprises an L-alpha-glycerophosphoryl choline tablet core and a coating layer, wherein the L-alpha-glycerophosphoryl choline tablet core comprises the following components in percentage by weight: 45-55wt% of L-alpha-glycerophosphoryl choline, 40-50wt% of filler, 0.5-5wt% of flow aid and 0.5-3wt% of lubricant; the coating layer is divided into an isolated coat layer and a moisture-proof coat layer; the filler is one or several of microcrystalline cellulose, lactose, calcium hydrophosphate, hydroxypropyl cellulose and pregelatinized starch; the flow aid is one or several of silicon dioxide and talc powder; the lubricant is one or several of magnesium stearate, polyethylene glycol and leucine; and the isolated coat layer of the coating layer is one or several of film-forming materials of hydroxypropyl methyl cellulose, ethyl cellulose and polyvinylpyrrolidone or premix comprising the above film-forming materials. According to prescription screening, the L-alpha-glycerophosphoryl choline film-coated tablet core is prepared by a direct tableting technology and is easy to operate and control, the processes of smashing and screening raw materials are omitted, the phenomenon that the raw materials are easy to adsorb moisture after being smashed is avoided, the technology is simplified, the production cost is lowered, and the production technology is improved.

The invention discloses a sensor used for dynamic weighing, which comprises an elastic support piece, a quartz wafer and a bottom plate, wherein the elastic support piece is loaded on the bottom plate; the quartz wafer is fixed in the elastic support piece; the lower part of the elastic support piece is provided with at least one lateral groove; the quartz wafer is fixed in the lateral groove; and the width of the lateral groove is less than the width of the elastic support piece. The sensor used for dynamic weighing has the beneficial effects that the weighing result is more accurate, pressure on the quartz wafer can be effectively reduced so that the quartz wafer can be protected from being damaged, the service life of the whole dynamic weighing sensor is prolonged, and the dynamic weighing cost is reduced.

The clamping band has a simple structure and is capable of preventing crush of an engaging claw and buckle of an inner band part, which are caused when an outer band part and the inner band part are moved close to each other to reduce an inner diameter of a band section. In the clamping band, an overriding guide is formed between the engaging claw and a second tool-catching claw of the inner band part. The overriding guide is outwardly projected to radially outwardly guide an outer end of the outer band part when the engaging claw is moved to an engage hole from a temporary engage hole.

The invention discloses a plant protection unmanned aerial vehicle automatic pesticide filling system. The automatic pesticide filling system comprises a base, a platform used for parking the unmannedaerial vehicle, a pesticide injection assembly which is arranged on the base and used for filling liquid pesticide and a charging device. The automatic pesticide filling system also comprises a conveying device and a self-closing type barrel cover, wherein the conveying device is arranged on the base and is used for driving the platform to move close to or far away from the pesticide injection assembly, and the self-closing type barrel cover is arranged on the upper portion of the pesticide barrel; the liquid injection assembly comprises a liquid guide pipe, a liquid injection pipe which is connected with the liquid guide pipe, a cantilever beam and an electric water valve, wherein the cantilever beam is connected with the base in the single-degree-of-freedom sliding connection and used for supporting the liquid injection pipe, and the electric water valve is used for controlling the liquid injection of the liquid injection pipe; the platform comprises a bearing platform for bearing the unmanned aerial vehicle, a weighing element and a positioning device, wherein the weighing element is arranged on the bearing platform and is used for weighing the liquid in the pesticide barrel and the positioning device is used for limiting the unmanned aerial vehicle. According to the unmanned aerial vehicle, electric energy and liquid pesticide can be timely supplied to the unmanned aerialvehicle, when the pesticide is added, the pesticide barrel changing is not needed, the whole process does not need manual participation, and time and labor are saved.

The invention provides a preparation method for a rubber cable connector. The preparation method comprises the following steps of: 1, preparing an inner semiconductive layer of the cable connector; 2, preparing an outer semiconductive layer of the cable connector; sleeving the inner semiconductive layer and the outer semiconductive layer together, sleeving the same on a mold core and horizontally placing into an injection moulding mold; 4, rubberizing by using a rubber injection moulding machine and vulcanizing; and 5, taking the mold core out after vulcanization to obtain the product. By the method, the operation is easy and convenient, the product percent of pass is high, the bonding strength between the inner and outer semiconductive layers and an insulating layer is enhanced greatly, the electric performance is perfect, and the service life of the rubber cable connector is extended.

The invention discloses a spherical graphite superfine classifier. The spherical graphite superfine classifier comprises a classifier and is characterized in that a secondary air inlet is communicated with a material inlet pipe by a branch pipe and an air valve is arranged on the branch pipe. According to the spherical graphite superfine classifier, the technical problem of incontrollable secondary air inlet caused by inconvenient control of atmospheric pressure due to direct introduction of secondary inlet air from the atmosphere from a lower barrel body in the prior art is solved; air is introduced by the material inlet pipe; the material inlet pipe and the secondary air inlet have the same atmospheric pressure; the air volume is adjusted by the air valve so as to adjust the wind speed; the air flow pressure loss of a draught fan cannot be influenced; the air volume of other equipment directly connected with the lower barrel body also cannot be influenced; and the quality stability of a superfine grinding and classifying system is improved. In addition, as the pressure loss in a secondary air inlet cavity body is small, the wind pressure between the grinding process and the classifying process can be conveniently distributed and adjusted; and meanwhile, as the pressure loss in a secondary air inlet cavity is small, the grinding load and the classifying load can be greatly reduced, and the grinding and classifying energy consumption is reduced.