40results about How to "Reduce crush strength" patented technology

The invention discloses petroleum industry well drilling working underground tool. It is made up of joint, hanging plate, end cap, shunting rebel tool, impeller, shaft, cover, gland, rotor, stator, identity, and ball bearing. The invention is connected to the up of the drilling bit. While drilling, part of the drilling fluid drive impeller to make the rotor rotate by shunting rebel tool. When the flow passage of the rotor and stator are sealed, its area is the minimum. When the flow passages are circulated, the area is the maximum. High pressure pulsation jetting is formed at lower reaches to improve drilling speed. The other part of the drill fluid pass through the shunting hole to prevent drilling fluid from interrupting caused by impeller blocking to reduce tool application risk.

The invention provides a method for preparing target-used Ru powder and relates to the technical field of precious metal powder production. The method for preparing the target-used Ru powder comprises the steps as follows; 1) solvation, 2) precipitation, 3) centrifugal filtration, 4) drying, 5) crushing, 6) calcination, 7) reduction and 8) powder preparation. According to the method, oxidation reaction is performed by means of chlorine gas to oxidize Ru (III) in a solution into Ru (IV), simultaneously, the concentration of Ru is controlled in a range of 45-55 g / L, the concentration of hydrochloric acid is controlled in a range of 8-12 mol / L, the oxidizing temperature is controlled in a range of 90-100 DEG C, and the mixing speed is 60-90 revolutions / min, so that 99.9% of (NH4)2RuCl6(IV) in the solution can be precipitated, the (NH4)2RuCl6(IV) is separated from impurities, and the purity of the (NH4)2RuCl6(IV) is improved.

The invention discloses a full-feeding type oilseed rape combine harvester. The full-feeding type oilseed rape combine harvester comprises a body (1), a power system, a header (2), a walking device (3), a threshing device (4) and a stubble treatment device (5) located in the front of the body (1). The header (2) is arranged at the front end of the body (1) and comprises a set of double-acting transverse cutting knives (6) and vertical cutting knives (7) on the two sides, wherein the transverse cutting knives (6) are located below the front end of the header (2), and the two sets of vertical cutting knives are located on the two sides of the front end of the header (2). According to the harvester, stable operation of the header in the oilseed rape harvesting process is guaranteed, it can be guaranteed that the harvester can effectively harvest upright oilseed rape with various heights, lodged oilseed rape with different heights and oilseed rape with different maturity grades, oilseed rape branches are effectively prevented from winding around the header when way opening operation is conducted in an irregular planting field, adaptability and harvesting capacity of the whole harvester are improved, and it is guaranteed that harvesting operation is smoothly conducted.

The invention discloses a waste electrical appliances recovery and treatment system, comprising a negative-pressure operation chamber (1), an air purification system and a sorting machine (13). The operation chamber (1) is provided with at least an operation table and at least a crusher (2), both ends of the operation table are respectively connected with an electric appliance pretreatment production line outside the operation chamber (1) and the crusher (2) inside the operation chamber, the crusher (2) is connected with the sorting machine (13) outside the operation chamber (1), thus forming a continuous running production line for detaching electric appliances. The air purification system is provided with two collecting ports, one of which is communicated with the operation chamber (1), and the other is communicated with discharge outlets of a cutting machine (12) and the crusher (2), and the whole operation chamber (1) forms a close space. The invention also discloses a recovery treatment method of waste electric appliances for the waste electrical appliances recovery and treatment system. The invention can reduce the cost of manufacturing, running and maintenance of equipment.

The invention relates to a silicon block crushing method, and particularly relates to a silicon block crushing method. The method comprises the following steps: putting bar-shaped silicon ingots cut by a sawing machine into material baskets, then putting the material baskets filling silicon block materials into a high-temperature resistance furnace, heating to high temperature, keeping the temperature for a certain period of time, taking all of the material baskets from the furnace, putting into a water tank filling with cold purified water, hoisting the material baskets when the silicon material temperature is reduced to water temperature, taking out the silicon blocks, and tapping by a hard alloy hammer, so that the silicon material crushed particle diameter is less than 300mm below. The silicon block crushing method provided by the invention can be used for improving the crushing efficiency and has no secondary pollution, and equipment is low in cost and has long service life.

The invention relates to a portable detachable ultrasonic vibration drilling machine. The portable detachable ultrasonic vibration drilling machine comprises a slewing mechanism, a feeding mechanism, a supporting mechanism, a hoisting mechanism and an ultrasonic vibrator, wherein the slewing mechanism comprises a drill rod and a drill bit, and the drill bit can conduct slewing drilling; one end of the drill rod is connected with the drill bit, and the other end of the drill rod is sequentially connected with a faucet annular shell, the ultrasonic vibrator and a driving device; and the ultrasonic vibrator is flexibly connected with the driving device, an insulating shell is arranged outside the ultrasonic vibrator, and a plurality of annular piezoelectric ceramic pieces, a plurality of annular electrode pieces and a conductive channel are arranged in the ultrasonic vibrator. The invention further discloses a drilling method using the drilling machine. According to the portable detachable ultrasonic vibration drilling machine and the drilling method, during normal slewing vibration drilling, ultrasonic frequency vibration force generated by piezoelectric ceramic acts on rock through an ultrasonic vibration mechanism, the hole forming depth of the drilling machine is increased, and the service life of the drill bit is prolonged; and the detachable structural design is adopted, the weight of the mountain drilling machine is greatly reduced, the structure is simple, and mounting, dismounting and moving are easy.

The invention discloses degradable plant oil-based lubricating oil and a preparation method thereof. The degradable plant oil-based lubricating oil which comprises modification materials such as nano cerium oxide is synthesized from raw materials such as camellia oil, sesame oil, nano cerium oxide, nano aluminum borate, sodium alcohol ether sulfate (AES) and ion exchange resin through modification methods such as magnetic stirring, TDI (toluene diisocynate) and microwave treatment and together with mixed plant oil.

The invention discloses an impurity removal device for sound insulation glass production and a using method thereof, and relates to the technical field of glass processing. The impurity removal device comprises a mounting base plate, a smashing and iron removing mechanism, a drying mechanism and a heating mechanism, the smashing and iron removing mechanism comprises a smashing box fixedly arranged at the top of the mounting base plate, a first motor is fixed to the back face of the smashing box, the output end of the first motor extends into the smashing box and is fixedly provided with a first smashing wheel, a second motor is fixedly arranged on the back face of the smashing box, the output end of the second motor extends into the smashing box and is fixedly provided with a second smashing wheel, and a protective pad is fixedly arranged in the smashing box. Through the arrangement of the smashing and iron removing mechanism, third smashing wheels drive a screening plate to shake while crushing raw materials, so that scrap iron in the raw materials is more easily adsorbed by electromagnets, the iron removing efficiency is ensured, meanwhile, the shaking screening plate realizes automatic discharging, and operation of users is convenient.

The invention discloses a nano modified material contained plant oil based lubricating oil preparation method. According to the method, plant oil synthesized lubricating oil which contains modified materials such as nano thorium nitrate is prepared from castor oil, nano thorium oxide, nano zinc oxide, surfactant sodium alkyl sulfate, ion exchange resin and the like by modification means of acid treatment, coupling, magnetic stirring, microwave treatment and the like.

A catalyst for production of a cycloolefin by partial hydrogenation of a monocyclic aromatic hydrocarbon, wherein the catalyst comprises zirconia as a carrier, and particles having an average primary particle diameter in a range of from 3 to 50 nm and an average secondary particle diameter in a range of from 0.1 to 30 μm.

The invention discloses an energy absorbing type nut and an automobile. The energy absorbing type nut comprises a cover body, a locking part and a shell; a locking cavity penetrating through the locking part in an axial direction is formed in the locking part and is connected with a stud or a bolt; the cover body seals one end of the locking cavity; the cover body is fixedly connected with the locking part, so that a nut main body can be formed; the shell sleeves the outer side face of the nut main body and is fixedly connected with the nut main body; a first cavity is formed between the shelland the outer side face of the nut main body; and the shell can collapse and deform under the action of an external force. According to the energy absorbing type nut and the automobile of the invention, the first cavity and the shell capable of being deformed towards the first cavity are adopted, so that the energy absorbing type nut can be formed; when the nut is squeezed, the contact area of the nut during squeezing can be increased; squeezing strength and the penetrating capacity of the stud are reduced; the short circuit and power failure of the automobile caused by direct contact betweenthe electrified stud and an automobile body structure in the squeezing process are avoided; and therefore, safety is high, and user experience is improved.

An abbreviated, energy efficient and manipulative process and recipe using a novel binder-combination, to custom-make shaped TS-1 product wherein, their physico-chemical attributes can be engineered, variegated or optimized independent of one another, according to specific stipulations for diverse catalytic reactions that employ them.

The invention relates to a stone crushing and screening device for hydraulic engineering. The device comprises a pneumatic impact chamber, a crushing chamber, a screening device and a water purifyingdevice. Each chamber of the whole device is provided for screening during crushing and recycling water in the treatment process to prevent environmental harm caused by production. Through arrangementof a water spraying screening mode, the efficient screening of crushed stones is achieved.

The invention discloses a natural rubber extrusion, dehydration, expansion and drying all-in-one machine, and is applied to the field of natural rubber production. The natural rubber extrusion, dehydration, expansion and drying all-in-one machine comprises a screw rod connected with a main motor, the screw rod sequentially penetrates through a charging cylinder, a cone machine cylinder and a straight machine cylinder and then is connected to the inner side of a template, and a cutting mechanism is arranged on the outer side of the template; a first water leakage sieve is arranged at the bottomend of the charging cylinder; a second water leakage sieve is arranged at the bottom end of the cone machine cylinder; the straight machine cylinder is formed by connecting a first straight machine cylinder and a second straight machine cylinder; a third water leakage sieve is arranged at the bottom of the first straight machine cylinder; a first temperature measuring screw, a first heat conduction oil outlet and a first heat conduction oil inlet are arranged on the first straight machine cylinder, and the first heat conduction oil outlet is in communication with the first heat conduction oilinlet through a first heat conduction oil channel; the second straight machine cylinder is provided with a second temperature measuring screw, a second heat conduction oil outlet and a second heat conduction oil inlet, and the second heat conduction oil outlet in communication with the second heat conduction oil inlet through a second heat conduction oil channel. Compared with the prior art, theall-in-one machine has the advantage that the temperature of the natural rubber treatment process can be better controlled.

The invention provides pulping equipment for a raw potato tuber material. The pulping equipment comprises a rack (1), a feed speed reduction motor (2), a feed chain wheel transmission device (3), a feed spiral device (4), a feed hopper (5), a shear cutter (6) and an axial knife roller (9), wherein the feed spiral device (4) is fixed on the rack (1), and the feed speed reduction motor (2) and the feed chain wheel transmission device (3) perform driving; a spiral cavity (23) and a pulping cavity (24) are formed coaxially, and the raw potato tuber material entering from the feed hopper (5) is forcibly fed into the pulping cavity (24) through the feed spiral device (4) arranged in the spiral cavity (23) according to a certain spiral rotation speed, is subjected to primary shear breaking by theshear cutter (6) arranged in the pulping cavity (24) and enters the pulping cavity (24); under the action of centrifugal force generated by the axial knife roller (9), a toothed blade (10) and the cavity wall of the pulping cavity (24) form a moving knife and a stationary knife to perform secondary shear breaking on the material cut into a slice shape, and slurry with fine particles is formed andthen discharged through a discharge screen (17), thereby achieving the purpose that the dissociation rate of starch in the slurry is reduced.

The invention relates to a process for peeling peanuts comprising following steps: 1) peanut raw materials are properly cleaned to ensure that the weight ratio of impurities and unqualified kernels isno more than 6%; 2) qualified peanuts are selected and spread to be thinner, and put into a freezer for refrigeration for more than 25 minutes; 3) the frozen peanuts are immediately sent to a microwave oven for heating and drying, and the heating temperature is controlled between 65 DEG C and 90 DEG C, and dried until the peanut water content is 2% to 5%; 4) the heated peanuts are cooled by coldair, and the cold air is transported in a smooth metal wall tube with multiple spirals; 5) the cooled peanuts are sent to a peanut sheller for shearing and extrusion into a shell- kernel mixture; 6) the shell- kernel mixture is sent to a screen sieve inside a separating device; under the joint action of the vibrating screen and the fan, the shell material with low density of the upper layer is discharged by the airflow of the fan, and the peanut kernel with large density of the lower layer is discharged from the discharge port of the separation device and is collected for use. Its one-time shelling rate can reach 95%, and the shelling effect is good.

The invention provides a correction device for a steel pipe formed by coiling a steel strip. The correction device comprises a working table, and a correction hole is formed in the middle of the working table; the front and rear sides of the correction hole are symmetrically provided with mounting plates, and longitudinal correction wheels are arranged at the upper and lower ends of the mounting plates symmetrically; the longitudinal correction wheels are located in the correction hole and in the position above the correction hole separately, and the right and left sides of the correction holeare each provided with two transverse correction wheels; the transverse correction wheels are arranged at the front and rear parts of the working table symmetrically, and all the transverse correction wheels and the outer sides of the mounting plates are provided with position regulating rods; and the position regulating rods are provided with regulating valves. Through arrangement of the transverse correction wheels and the longitudinal correction wheels, the correction is performed from the upper and lower sides and the right and left sides of a steel pipe through rotation of the correctionwheels, and the extrusion force is reduced; and the correction effect is improved, and the correction device is simple in structure and convenient in use.

The invention relates to the technical field of pearl cultivation, in particular to a novel method for cultivating large free pearls by pinctada maxima. The novel method mainly comprises the following steps of: cutting off 30-40% of retractor of pinctada maxima pearl cultivating shells, reducing the extrusion strength of the retractor on pearl nucleuses, implanting only one perfect circular pearl nucleus at a left bag nucleus position for the first nucleus implantation, and during the second and third nucleus implantation, implanting one pearl nucleus at the left bag nucleus position and a right bag nucleus position respectively. The pinctada maxima belongs to rare protected species, in order to make full use of the pearl cultivation potential of the pinctada maxima, nucleus implantation is carried out three times in total, and meanwhile, the diameter of harvested pearls is 2.0-3.0 mm larger than that of pearls obtained in the previous step every time nucleus implantation is added; and by adopting the nucleus implantation cultivation method, the pearl cultivation capacity of the pinctada maxima is utilized to the maximum extent, the survival rate, the nucleus remaining rate and the superior pearl rate of the pinctada maxima are increased, and large free pearl industrial cultivation of the pinctada maxima can be achieved.

The invention discloses a packaging kit of a flat ceramic membrane for filtering, and the packaging kit comprises a filtering membrane, a sealing outer plate, a sealing inner plate and sealing rings,the sealing rings are installed between the combined structures of the sealing outer plate and the sealing inner plate and installed on the surfaces of the two ends of the filtering membrane in a penetrating and sleeving mode, and gaps exist between the outer wall of the filtering membrane and the sealing outer plate and between the outer wall of the filtering membrane and the sealing inner plate.The packaging kit of the flat ceramic membrane for filtering can meet the requirement of linear expansion of parts caused by temperature change, does not damage a filtering membrane, and keeps good stability and sealing property.

The invention relates to an underground protective wall for municipal engineering. The underground protective wall comprises a top plate, wherein supporting plates are arranged on the two sides of thetop plate, and a plurality of clamping pieces used for fixing the top plate between the two supporting plates are uniformly arranged on the bottom surface of the top plate at intervals in the lengthdirection of the top plate; each clamping piece comprises a circular plate rotating on the bottom surface of the top plate, two arc-shaped rods rotating on the bottom surface of the circular plate andinserting rods fixed to the ends, away from the circular plate, of the arc-shaped rods; a mounting groove is formed in the bottom surface of the top plate, the circular plates are rotationally connected to the upper surface of an inner cavity of the mounting groove, and the two arc-shaped rods are arranged in a central symmetry mode in the axial direction of the circular plates; and the ends, away from the arc-shaped rods, of the inserting rods penetrate through the side wall of the top plate and are inserted into the supporting plates, and a driving piece used for driving a plurality of circular plates to rotate synchronously is arranged in the mounting groove. The underground protective wall has the effects that the pressure bearing capacity is high, and the life health of staff is guaranteed.

The invention relates to an accurate stone crushing device for building. The accurate stone crushing device for building comprises a preheating chamber, an ultrasound chamber, an impact chamber, a coarse crushing chamber, a first vibrating screen part, a stone grinding chamber, a fine crushing chamber and a stone material collection part. Through specific setting of the various parts, crushing ofthe maximum accurate grain size of stones is realized, and the subsequent screening cost is reduced.

The invention discloses a hemp straw breaking mechanism, which belongs to the technical field of finished product machinery, and comprises a frame (1), a bumper pin (2), rollers (3) and a retaining spring (4). The frame (1) is arranged at the outer side of the mechanism, the bumper pin (2) is arranged between the rollers (3), and the rollers (3) are arranged inside the frame (1) and driven by a roller, a roller shaft and a driving gear. The hemp straw breaking mechanism that is provided by the invention feeds retted hemp straws into the mechanism, and leads the rollers of the straw breaking mechanism to squeeze straw bar cores into small woody crumbs that have easier bast separation. The hemp straw breaking mechanism can be widely applied to the peel and rod separation process of hemp crops, overcome the machine blockage and entwinement phenomenon in traditional straw breaking processes, correspondingly avoid consequent frequent vehicle stopping, and simultaneously improve processing efficiency and finished product quality.