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4900results about How to "Improve screening efficiency" patented technology

Multistage high-efficiency anti-blocking sand screening device

The invention discloses a multistage high-efficiency anti-blocking sand screening device. The multistage high-efficiency anti-blocking sand screening device comprises a shell and a screen plate, wherein the upper part of the right side of the shell is connected to a feed hopper; a rotating drum is arranged in the shell; a screen mesh is arranged at the right side of the rotating drum; the screen plate is arranged below the screen mesh; and the upper part of the screen plate is leaned against a hair brush. The multistage high-efficiency anti-blocking sand screening device has the beneficial effects that hardened blocks in coarse sand are efficiently smashed by arranging the rotating screen drum and smashing cutter blades distributed in a staggering manner, thereby improving the sand screening efficiency of the screen drum and saving coarse sand raw materials; the multistage high-efficiency anti-blocking sand screening device is provided with a squeezing plate and a slag discharging opening which are used for collecting large-grained garbage screened out by the screen drum, thereby facilitating the continuous operation and improving the screening efficiency; the multistage high-efficiency anti-blocking sand screening device is provided with the reciprocating screen plate and the hair brush, and the hair brush is used for cleaning the screen plate in real time, thereby avoiding the blockage of the screen plate and improving the screening efficiency; the screening quality is improved through two-stage screening; and the multistage high-efficiency anti-blocking sand screening device is compact in structure and is suitable for screening small batches of coarse sand; and as the multistage high-efficiency anti-blocking sand screening device is provided with idler wheels, the multistage high-efficiency anti-blocking sand screening device is convenient to move and transport.
Owner:李云

Smashing and screening device for compound fertilizer production

The invention discloses a smashing and screening device for compound fertilizer production. The smashing and screening device for compound fertilizer production comprises a base, a smashing tank, a bearing, a primary screening tank, a secondary screening tank, a second drive motor and a special-shaped gear, wherein the smashing tank is fixedly installed on the base through screws; two sets of mainsmashing rollers are installed in a smashing cavity in a bilateral symmetry mode; auxiliary smashing rollers are further rotationally installed in the smashing cavity; a scattering disc is further fixedly connected to the upper end of an output shaft of a first drive motor; the second drive motor is further fixedly installed on the outer wall of the right side of the smashing tank; and the special-shaped gear is further installed on an output shaft of the second drive motor. According to the smashing and screening device for compound fertilizer production, the structure is novel, and fertilizer particles are more uniform in the smashing process; and through arrangement of the scattering disc, smashed fertilizer is evenly tossed out and then falls into the primary screening tank, so that the fertilizer on the primary screening tank is evenly distributed and prevented from being accumulated on a screen of the primary screening tank.
Owner:罗娟

Two-layer cell culture system organ chip and preparation method thereof

The invention relates to a two-layer cell culture system organ chip and a preparation method thereof. The organ chip comprises a two-layer cell culture system, wherein each layer comprises a culture solution micro-fluid channel, a medicament micro-fluid channel, cell culture chambers and a medicament testing tank; a micro structure and micro-fluid channels are designed on the organ chip, two cells are respectively fixed on each specific cell culture chamber, and intercellular signal transmission and interaction between the cells are performed by virtue of the micro-fluid channels. The organ chip realizes the parallel implantation and co-culture of two or more cells, is simple in operation, reduces the dose of practical samples, simplifies the cell implantation process, has the characteristics of portability, economic performance, high efficiency and accuracy, and can be used for independently performing cell seeding and culture and detection of medicament toxicity or pharmacological activity. The two-layer cell culture system organ chip is a novel organ chip with miniaturization, automation and visualization, prepared by simulating the structures and functions of a human organ, and can be used for providing the effective theoretical basis for tissue and regeneration engineering, organ transplantation and medicament evaluation.
Owner:SOUTHEAST UNIV

Four-degree of freedom parallel-series hybrid oscillating screen

InactiveCN102327870AAppropriate vibration excitationAdjustable vibration excitationSievingScreeningArchitectural engineeringDegrees of freedom
The invention discloses a four-degree of freedom parallel-series hybrid oscillating screen, which comprises a base, a crank block mechanism, a support, an intermediate platform, a Y left branch chain, a Y right branch chain, an X front branch chain, an X rear branch chain and a screen box, wherein the crank block mechanism is arranged above the base; the bottom part of the support is arranged on the crank block mechanism; the upper end of the support is fixedly connected with the intermediate platform; the screen box is arranged above the intermediate platform; the Y right branch chain, the Xfront branch chain, the Y left branch chain and the X rear branch chain are connected between the screen box and the intermediate platform; and the screen box, the intermediate platform and the four branch chains which are connected with the screen box and the intermediate platform form a parallel mechanism with a 4-spherical pair-prismatic pair-revolute pair (4SPR) structure. The oscillating mechanism disclosed by the invention is a parallel-series hybrid mechanism 4-spherical pair-prismatic pair-revolute pair-parallel (4SPR-P), which is capable of realizing two-shift and two-rotation oscillation of four degrees of freedom on the screen box; the oscillating amplitude, the frequency, the dip angle and the oscillating degree of freedom can be regulated. The four-degree of freedom parallel-series hybrid oscillating screen has strong adaptability on different screened materials and can be used for material grading in industry of energy, metallurgy, building material, chemical engineering, agriculture and grain processing.
Owner:JIANGSU UNIV

Blocky traditional Chinese medicine crushing and grinding machine with impurity removing function

InactiveCN107952553AImprove the quality of traditional Chinese medicineImprove screening efficiencyGrain treatmentsSlagElectric machinery
The invention discloses a blocky traditional Chinese medicine crushing and grinding machine with impurity removing function. The machine comprises a base, a screening bin, a feeding port, a grinding bin and a grinding hammerhead, wherein the screening bin is arranged above the base; a crushing shaft is arranged in the screening bin, and a screening plate is arranged below the crushing shaft; the grinding bin is fixedly connected to the right sidewall of the screening bin; a first motor is fixedly connected to the outer wall of the right side of the grinding bin; a crankshaft is arranged in thegrinding bin; a movable plate is arranged below the crankshaft; a second motor is fixedly connected to the lower surface of the movable plate, and a shaft extending end of the second motor is fixedlyconnected to a grinding shaft; the grinding hammerhead is fixedly connected to the lower end of the grinding shaft. According to the machine, ferromagnetic impurities such as ferrous power and slag mixed in traditional Chinese medicines can be attached through a magnetic plate; the traditional Chinese medicines can be primarily crushed through crushing blades; the primarily-crushed traditional Chinese medicines fall on the screening plate and are screened through the screening plate; the traditional Chinese medicines are further crushed through a main crushing blade and a secondary crushing blade; the traditional Chinese medicines are hammered through the grinding hammerhead while the grinding hammerhead rotates. Therefore, the grinding efficiency is improved.
Owner:丁文海

Sand sieving device for civil engineering

The invention discloses a sand sieving device for civil engineering. The sand sieving device comprises a box body, a feeding hopper, a feeding channel, a pulverizing device, a sand sliding plate, a first spring, a sand and gravel rotating fan, a first sieve net, a second sieve net, a second spring, a third motor, a disc, a moving rod, a cross rod, a vertical rod and a hitting ball, wherein the pulverizing device comprises a first motor, a stirring shaft and a pulverizing rod; and the sand and gravel rotating fan comprises a second motor, a mounting shaft, a fan plate and a hot air blower. By arranging the pulverizing device, caking sand and gravel are pulverized, and insufficient sieving is avoided; by arranging the sand and gravel rotating fan, insufficient sieving caused by too-high sandfalling speed is avoided, and at the same time, the sand and gravel are dried, so that the blocking of sieve net holes by the wet sand and gravel and the influence of engineering use are avoided; byarranging the first sieve net, the second sieve net, the third motor, the disc, the moving rod, the cross rod and the hitting ball, multi-stage sieving can be carried out; and by driving the first sieve net and the second sieve net to swing upwards and downwards through cooperation, the sieving efficiency is increased.
Owner:江西同济建设项目管理股份有限公司

Construction waste treatment device for environmental protection

The invention relates to the technical field of environmental protection, and particularly discloses a construction waste treatment device for environmental protection. The construction waste treatment device comprises a baseplate, and the upper surface of the baseplate is provided with a conveyor mechanism, a crushing box and a dust collection box from left to right in sequence; the conveyor mechanism comprises a wet material conveyor belt and a dry material conveyor belt, and the wet material conveyor belt and the dry material conveyor belt are connected with a feeding conveyor belt separately; the feeding conveyor belt is connected with the crushing box, and the wet material conveyor belt penetrates through a drying box; a drying mechanism is arranged in the drying box; double crushingmechanisms are arranged in the crushing box, and screening mechanisms are arranged below the double crushing mechanisms; and the crushing box is connected with the dust collection box through a dust suction pipe. The construction waste treatment device is specially used for treatment of waste left in constructional engineering, especially solid waste, such as broken bricks and concrete, and the treated construction waste can be recycled; not only can the environment be protected, but also the resources can be saved; and the waste is avoided.
Owner:安徽砼筑新材料科技有限公司

Secondary gravel screening device

The invention discloses a secondary gravel screening device which comprises a base plate. A supporting frame is vertically and fixedly installed on the base plate. A drive motor is fixedly installed at the left side of the supporting frame. The right side wall of the supporting frame is provided with a driven bevel gear in meshing connection with a driving bevel gear in a rotary mode. A feeding pipe is arranged at the upper end of a screening box. A horizontal plate is horizontally and fixedly installed on the outer wall of the right side of the screening box. A stepping motor is fixedly installed on the horizontal plate. A driven gear in meshing connection with a driving gear is fixedly installed at the upper end of a rotating shaft. According to the secondary gravel screening device, gravel can be scattered in a rotating mode through rotation of blades and a shifting plate with through holes, the scattering degree of the gravel before screening is increased, and the gravel screeningefficiency is improved. A second sieve plate and a first sieve plate make left-right reciprocating motion under the driving action of a second connecting rod and a first connecting rod correspondingly, the fast screening effect on the gravel is achieved, the gravel, obtained after passing the second sieve plate and the first sieve plate, of different grain diameters enters a collecting groove to be collected, and discharging is convenient and rapid.
Owner:长沙双合盛企业管理有限公司

Sieving and crushing integrated machine

The invention discloses a sieving and crushing integrated machine. The sieving and crushing integrated machine comprises a machine housing, a sieving and distributing machine (1) arranged at an upper part of the machine housing, and a sieving and crushing machine (35) arranged at a lower part of the machine housing, wherein the sieving and distributing machine (1) comprises a charge hole (2), an arc-shaped distributing plate (6), an iron remover (11), a transmission device, a flange type sieve shaft (4) and a filter sieve shaft (5); the sieving and crushing machine (35) comprises a main rotor, an arc-shaped counterattack sieve roller set, a particle size adjusting device and a transmission device; and a charge hole (36) of the sieving and crushing machine is positioned below a discharge hole (9) of the sieving and distributing machine. The sieving and crushing integrated machine has the following creative effects: the original two-stage crushing and one-stage sieving mode is changed to be a one-stage sieving and one-stage crushing mode, so that a system structure is simplified; problems of material adhesion and blockage, high iron content, low sieving and crushing efficiency, high power consumption, non-uniform ring hammer wear, unadjustable particle size, high difficulty in overhauling and replacement of spare parts, inconvenience in operation and the like are solved; and the sieving and crushing integrated machine is a major innovation of sieving and crushing equipment technology.
Owner:SICHUAN ZHONGMENG ELECTRIC POWER EQUIP MFG CO LTD

Particle material classification sorting device

The invention relates to a particle material classification sorting device. The particle material classification sorting device consists of a screening box, an upper sieve plate, a lower sieve plate, spring vibrators and a console. The screening box is in a cuboid shape and formed by welding steel plates; the upper sieve plate is obliquely installed inside the screening box, and sieve holes are uniformly distributed in the upper sieve plate; the inclination direction of the lower sieve plate is opposite to that of the upper sieve plate in installation, and the diameter of each sieve hole of the lower sieve plate is smaller than that of each sieve hole of the upper sieve plate so as to realize a classification sorting effect; the spring vibrators are arranged on the bottom of the screening box and used for controlling the entire screening box to move up and down in a reciprocating manner so as to enhance the screening speed and improve the screening quality; a motor is installed in the console and used for controlling the vibrating frequency and amplitude of the spring vibrators. Particle raw materials enter the screening box to be sorted in a classification manner sequentially through twice screening processes of the upper sieve plate and the lower sieve plate. The particle material classification sorting device can be used for realizing the continuous and stable classification sorting operation, is simple in structure and high in efficiency, and can be widely used for sorting particles in a classification manner in the fields of food, medicines, chemical industry, light industry and the like.
Owner:天津聚贤达科技有限公司

Five-double full-dry method crushing production line and processing method for high-quality sandstone aggregates

The invention discloses a five-double full-dry method crushing production line and processing method for high-quality sand aggregates. The production line comprises a material pretreatment system. A discharge port of the material pretreatment system is connected with a feed port of double-impact crushing equipment of a fine coarse aggregate processing system, a discharge port of the material pretreatment system is connected with a primary classifier, and a discharge port of the primary classifier is connected with a finished product screening and proportion adjusting circulation system. A super-particle-size material outlet of the finished product screening and proportion adjusting circulation system is circularly connected to a feed inlet of double-speed double-frequency crushing sand making equipment. The fine sand aggregates are connected to corresponding finished product bins or are circularly connected to the feed inlet of the double-speed double-frequency crushing sand making equipment, and multi-stage powder selecting equipment is arranged below a fine sand outlet. According to the production line, the production line with multi-stage desliming, double-countering-impact crushing, double-vertical-shaft impact crushing shaping sand making, multi-stage powder selecting and multi-stage circulation is adopted, so that the system productivity and the quality of the finished sand aggregates are improved effectively, the efficient and energy-saving effects are realized, and the practicability is high.
Owner:GUIZHOU CHENGZHI HEAVY IND SCI TECH

Geographic information data filtering method, electronic equipment, storage medium and system based on meshing

The invention discloses a geographic information data filtering method, electronic equipment, storage medium and system based on meshing. The method includes the steps of meshing a map, dividing the map into several mesh units along the longitude and the latitude; linking the geographic information of each region in the map to POI information points in the map; obtaining longitude coordinates and latitude coordinates of all the boundary points in a region to be analyzed, dividing the mesh units belonging to the region to be analyzed into the mesh units inside the boundary of the region to be analyzed and the mesh units on the boundary of the region to be analyzed; obtaining the first geographic information contained in the POI information points in the mesh units inside the boundary of the region to be analyzed; judging whether the POI information points inside the mesh units on the boundary of the region to be analyzed are in the region to be analyzed, and if so, obtaining the second geographic information contained in the POI information points, otherwise, excluding the POI information points; integrating the first geographic information with the second geographic information, and obtaining the complete geographic information of the region to be analyzed. According to the geographic information data filtering method, the range of screening is narrowed, and the efficiency of screening is improved.
Owner:广州数鹏通科技有限公司

Steel slag treating technology

The invention relates to a steel slag treating technology which can be used for treating steel slag after which is stabilized by adopting a hot and stuffy method. According to the technology, the steel slag is treated by the procedures of screening, crushing, magnetic separation, purification and the like through utilizing the mode of combining an open loop and a closed loop circulation to obtain five high-value-added high-quality products, namely first-type bulk slag steel with the grade of more than or equal to 80% and particle size of 150mm, a second-type bulk slag steel with the grade of more than or equal to 80% and particle size of 50-150mm, slag steel with grade of more than or equal to 85% and particle size of 10-50mm, magnetic separation powder with grade of more than or equal to 42% and particle size of 10mm, and metal iron content (2% of tailings with the particle size of 10mm), wherein the first-type bulk slag steel and the second-type bulk slag steel and the slag steel with the grade of more than or equal to 85% can be returned for steelmaking, the magnetic separation powder can be used for sintering, and the tailings can be used for producing steel slag micropowder as high-activity admixture of cement and concrete and the like. Through the technology, the zero emission of the steel slag can be realized, the defects that the steel slag stored occupies a large area and pollutes the environment can be solved, and the economic benefits of a steel mill can be increased.
Owner:CENT RES INST OF BUILDING & CONSTR CO LTD MCC GRP +2

Network pharmacology method used for finding active ingredients of traditional Chinese medicine and effect targets thereof

ActiveCN103150490ARapid modeling methodFast prediction methodSpecial data processing applicationsNODALAdditive ingredient
The invention discloses a network pharmacology method used for finding active ingredients of traditional Chinese medicine and effect targets thereof. The network pharmacology method comprises the steps as follows: chemical compounds and proteins that can build training sets are collected, and characteristic descriptors are calculated according to molecular structures of the chemical compounds and amino acid sequences of the proteins; the training sets are built based on the characteristic descriptors of the chemical compounds and the proteins, predictive models relative to the interaction of the chemical compounds and the proteins are built according to a machine learning method; the known chemical compound ingredients of the traditional Chinese medicine needing to be forecasted, the characteristic descriptors are calculated, and forecast sets are built; the built predictive models are utilized to forecast the forecast sets, and the chemical compounds and the proteins with the forecasted interaction results greater than a given threshold are used for building a network; and the chemical compounds and the proteins with larger network node connection number are the potential active ingredients and the potential effect targets. The network pharmacology method can improve the finding accuracy rate and finding efficiency of the active ingredients of the traditional Chinese medicine and the effect targets.
Owner:ZHEJIANG UNIV

Efficient crushing and grinding equipment for traditional Chinese medicine

PendingCN107486321AAvoid cloggingAvoid insufficient crushingSievingScreeningGear wheelElectric machinery
The invention discloses efficient crushing and grinding equipment for traditional Chinese medicine. The efficient crushing and grinding equipment for traditional Chinese medicine comprises a grinding barrel, a crushing barrel, a first screen mesh, an round feed inlet, a first motor, a rotary shaft, an annular baffle plate, a first crushing blade, a second crushing blade, a brush, a second motor, a first installing shaft, a first grinding roller, a second installing shaft, a second grinding roller, an active gear, a driven gear, an inner gear ring and a second screen mesh. The efficient crushing and grinding equipment for traditional Chinese medicine is provided with the first motor, the rotary shaft, the round feed inlet and the annular baffle plate, and through cooperation of the first motor, the rotary shaft, the round feed inlet and the annular baffle plate, intermittent feeding is achieved, insufficient crushing caused by excessive feeding at one time is avoided and the crushing efficiency is improved; the first crushing blade and the second crushing blade are further provided and set dislocated, so that the crushing speed is high and the crushing efficiency is high; and the second motor, the active gear, the driven gear, the inner gear ring, the first grinding roller and the second grinding roller are further provided, and through cooperation, continuous grinding of traditional Chinese medicine is conducted, the grinding is sufficient and fast, and the grinding efficiency is improved.
Owner:ZHENGZHOU UNIV
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