116results about How to "Reduce crushing costs" patented technology

The invention belongs to the technical field of efficient development of ultralow-grade ore resources and comprehensive utilization of associated minerals, and in particular relates to a combined beneficiation method and a combined beneficiation system for comprehensive recovery of associated iron-phosphate minerals. The combined beneficiation method for the comprehensive recovery of the associated iron-phosphate minerals comprises the following steps: sequentially performing three-section and two-closed-loop crushing and screening flow on raw ores, and performing dry separation to obtain fine ores; performing two-section closed-loop ore-grinding flow on the fine ores, performing fine magnetic separation for three times, and concentrating by using a wash mill to separate iron ore concentrate and discharge tailings; performing one-time roughing, one-time scavenging and three-time concentrating on the tailings at the temperature of 10-15 DEG C to obtain phosphate ore concentrate by floatation. Compared with the prior art, the invention provides a comprehensive recovery scheme for magnetic iron ore resources and phosphate ore resources in ultralow-grade associated iron-phosphate minerals. According to the scheme, the separation cost is low, the efficiency is high, energy is saved, the space occupation is low, and the comprehensive recovery of the magnetic iron ores and the phosphate ores can be realized.

The invention discloses a charged crushing assembly device of a scrapped lithium-ion power lithium battery, and belongs to the field of waste battery crushing. The charged crushing assembly device solves the problems that an existing battery crushing technology easily generates combustion and easily generates explosion. A battery double-shaft shredding machine is arranged above a waste battery; a feeding hopper is arranged above the battery double-shaft shredding machine; a spray head is arranged inside shredding equipment to prevent combustion explosion; the upper end of an open type loader is arranged on the side wall of the feeding hopper; the lower end of a sealed type loader extends into a waste water tank; the upper end of the sealed type loader is connected with a feeding hole of a hammer type crusher; the upper end of the feeding hopper, the sealed type loader and a gas outlet of the hammer type crusher are connected with an inlet end of a suction ventilator through an air suction pipeline; and an outlet end of the suction ventilator is connected with a waste gas treater. The charged crushing assembly device adopts a direct charged crushing mode and does not need to discharge a battery, so that the period of crushing the battery is shortened, universal performances are strengthened, personnel operation is convenient, performances are reliable and the charged crushing assembly device is safer.

The invention provides a concrete beforehand pore-forming static breaking technology. A plurality of containers with a certain sizes, shapes and amounts are embedded in a concrete member before the concrete is cast, a plurality of orifices are arranged above the containers, the inner diameters of the orifices are less than the inner diameters of the containers, and the orifices are extended to the edge of the concrete member. When the concrete member needs to be disassembled, the expanding agent is filled into the containers along with the orifices, the expanding agent is chemically reacted in the containers to generate the expansibility, the concrete member is expanded to be broken, and the whole process is free of noise, vibration and slungshots. Compared with the normal pore-forming type static breaking technology, the expansibility is larger, the expanding agent can be effectively avoided to be sprayed out of the orifices, and the construction is safe and environment-friendly; and the drilling working capacity is eliminated, so that the cost can be reduced, and the disassembly construction period can be shortened, therefore, the technology is suitable for the static breaking of engineering temporary facilities.

The invention discloses a tailings disposing and filling method and belongs to the field of tailings utilization and disposal. The method includes: grading tailing pulp to obtain fine-particle tailings pulp and coarse-particle tailings; dewatering the fine-particle tailings pulp and the coarse-particle tailings pulp respectively according to application to obtain fine-particle tailings and fine aggregate and coarse-particle tailings for granulation, mortar and dry-mixed mortar; sintering the fine-particle tailings at high temperature, and adding a binding material into the coarse-particle tailings for granulation, mortar and dry-mixed mortar to obtain coarse aggregate, a mortar material and a dry-mixed mortar material; mixing the coarse aggregate and the fine aggregate, conveying the samedown into a well through a filling well, conveying the mortar material down into the well through a filling pipe, mixing, and then filling; conveying the dry-mixed mortar material down into the well to be mixed with pipe flushing water to prepare a dry-mixed mortar material mixture, mixing the mixture with the aggregate, and filling. By the method, treating and hardening time of the filling material can be shortened, strength of a filled body can be enhanced, downhole operation conditions can be improved, and pollution of underground environment can be reduced.

The invention discloses an ultralow-density ceramisite sand proppant and a preparation method thereof. The ultralow-density ceramisite sand proppant is prepared from the following raw materials in percentage by weight: 15-20% of purple clay, 10-15% of silica and 65-75% of raw aluminum ores. The preparation method comprises the following steps: crushing the required raw materials at first, then performing blending and grinding, and putting obtained fine powder into a granulator for granulation; and screening obtained raw granules after granulation, then calcining in a rotary kiln, cooling, and finally screening again to obtain a product. The ceramisite sand proppant prepared by the method disclosed by the invention has the advantages of ultralow volume density, relatively low apparent density, relatively high crushing resistance and good surface finish quality. By using the ultralow-density ceramisite sand proppant disclosed by the invention, the exploitation cost of an oil field can be reduced, and the yield of the oil field can be increased.

The invention discloses a pig blood composition, mainly comprising the following components: 20-40 parts of pig blood, 10-20 parts of ultrafine black fungus powder, 0.5-2 parts of vitamin B2 and 3-12 parts of vitamin C. The pig blood is made into pig blood paste by embedding pig blood solution added with sodium citrate b for anticoagulation using hydroxypropyl beta-cyclodextrin, ; or boiling the pig blood solution added with sodium citrate for anticoagulation in a boiling water bath into a coagulated block and then filtering, taking the coagulated block and crushing into paste, then adding hydroxypropyl beta-cyclodextrin into the coagulated block (the mass of the added hydroxypropyl beta-cyclodextrin is 1/2 the mass of the coagulated block), and processing by ultrasonic of 20-40KHz for 10-20min. The ultrafine black fungus powder has a fineness higher than 300 meshes. The invention also discloses a pig blood chewable tablet made from the pig blood composition. The hydroxypropyl beta-cyclodextrin is taken as the wall material, and an embedding technique is combined with an ultrasonics technique so that an offensive smell of pig blood can be effectively hidden.

The invention discloses a construction waste crushing device for constructional engineering and a using method thereof, and belongs to the technical field of the constructional engineering. The construction waste crushing device for the constructional engineering comprises a crushing box and a waste collecting vehicle, wherein the waste collecting vehicle is arranged at the bottom of the crushingbox, a feeding opening and a discharging opening are formed at the upper side and the lower side of the crushing box, a crushing mechanism is connected to the interior of the crushing box, a dust falling box is connected to the outer wall of the crushing box, a water supplementing box and a water sprinkling box are connected to the interior of the dust falling box, a first pipeline and a second pipeline are connected between the water supplementing box and the water sprinkling box, a water conveying pipe is connected to the bottom of the dust falling box, the end, away from the dust falling box, of the water conveying pipe is connected to the top of the water supplementing box, a water pump is connected to the outer wall of the water conveying pipe, and the water pump is connected to the outer wall of the water supplementing box. According to the construction waste crushing device, water resources for dust fall are reused favorably, the water resources are saved favorably, and the crushing cost of construction waste is reduced.

The invention discloses a movable lifting type plastic garbage crushing device, and belongs to the technical field of garbage recycling equipment. The device comprises fixed supporting legs and a machine cover, wherein a sleeve is arranged on each fixed supporting leg in a sleeving mode; a movable supporting leg is arranged below each sleeve; a supporting block is arranged below each movable supporting leg; a wheel plate frame with a rolling wheel is arranged on each supporting block; a rotary drum cutter is arranged in the middle position of the interior of the machine cover; a fixed drum cutter is arranged on the outer side of the rotary drum cutter; left and right partition plates are arranged on the shell of the fixed drum cutter; left and right hobs are arranged above the fixed drum cutter; a feeding port is arranged above the left hob and the right hob; and a material collecting cylinder is arranged at the outer bottom end of the fixed drum cutter. The movable lifting type plastic garbage crushing device is novel in structure and clear in working principle, and compared with traditional waste plastic equipment, height adjustment can be carried out and mobile operation can becarried out, thus the crushing efficiency is improved, the development of the waste plastic recycling industry is promoted, prevention of the problem that the white pollution is intensified is facilitated, and the device has important significance on the environment protection.

The invention discloses a magnesium alloy crushing system and a magnesium alloy crushing method. The magnesium alloy crushing system comprises a gas source, an upper hopper, an electromagnetic vibration feeder, an upper-section double-roller crusher, a lower-section double-roller crusher, a lower hopper and an oxygen gas detector, wherein the upper hopper, the electromagnetic vibration feeder, the upper-section double-roller crusher, the lower-section double-roller crusher and the lower hopper are sequentially connected from top to bottom; the upper hopper, the upper-section double-roller crusher, the lower-section double-roller crusher and the lower hopper comprise a gas inlet close to the bottom and a gas outlet close to the top; the gas source is connected with the gas inlet through a pipeline; the gas outlet is connected with a gas exhaust tube; the gas exhaust tube is provided with the oxygen gas detector; two pipelines are connected with the gas source, one pipeline is connected with the gas inlet through a pressure reducing valve and a pneumatic ball valve, and the other pipeline is connected with an electromagnetic directional valve. According to the magnesium alloy crushing system, the working environment is safe, a little of gas-source gas is used, the device structure is simple, and the operation is convenient. And requirements on an environment are low, the crushing cost is low and the recycling efficiency is high.

The invention discloses a shaft kiln, which comprises a fuel supply device, an ignition device, a discharge device, a kiln chamber, a refractory material, an insulating material, a fan and a pipeline. The side wall of the kiln chamber is provided with at least one air inlet which is at least connected with an air inlet passage. The fan is arranged on the air inlet passage. The kiln chamber is provided with a heating chamber and a cooling chamber, wherein the lower part of the heating chamber is communicated with the cooling chamber; the upper part of the heating chamber is provided with a feed inlet and an air outlet for the heating chamber; and the lower part of the cooling chamber is provided with a discharge outlet. The discharge outlet is provided with the discharge device; and at least one flame path is arranged on the side wall of the kiln chamber between the heating chamber and the cooling chamber, and is communicated with the air inlet. Due to the use of heat convection and vortexes for combustion, the shaft kiln is more energy-saving and environment-friendly. The vortexes are formed in the kiln chamber by using forced air, so that the material is uniformly heated. The movement of hot air around the material replaces a heating mode of rolling the material, and the material naturally moves to a preheating zone, a heating zone, and a cooling zone by using natural sedimentation. The shaft kiln can be applied to burning cement, lime, alumina and other blocked materials.

The invention discloses an airflow powder grinding system and a powder treatment process. The airflow powder grinding system comprises an air compressor and an airflow ultrafine grinder which are sequentially connected. An air refrigerator is connected between the air compressor and the airflow ultrafine grinder. An air inlet of the air refrigerator is connected the air compressor, and an air outlet of the air refrigerator is connected with the airflow ultrafine grinder. An air storage tank is connected between the air compressor and the air refrigerator, and the airflow ultrafine grinder is connected with a dust removal device. By means of an airflow ultrafine grinding system, the temperature of compressed air can be lowered, and it is guaranteed that the components and effect of powder are not changed. An ultrasonic vibration screen is adopted, so that adhesion, friction, flat reducing, wedging in and other screen blocking factors can be restrained through ultrasonic vibration waves attached to the screen, screening efficiency and screen cleaning efficiency are improved, grinding precision is improved, and grinding cost is reduced.

The invention discloses an urban solid waste crushing device. The urban solid waste crushing device comprises a box, a fine material storage box, wheels, a coarse material storage box, a first gear, afirst rotary shaft, a second rotary shaft, a second gear, a first protective box, cutters, a feed port, a fixed box, a material pump, a first belt pulley, a supporting box, heat dissipation holes, abelt, a second belt pulley, a feed pipe, a first motor, a supporting plate, a second motor, a rotary rod, a second protective box, a moving plate, a moving rod, a fixed block, a groove, a supporting block, a telescopic rod, a mesh screen, a brush, an inclined rod and a cover. The bottom end of the side face of the box is provided with a discharge port. The discharge port is consistent with the fine material storage box in size. The bottom end of one side of the outer portion of the box is fixedly connected with one end of the second protective box through bolts. The urban solid waste crushingdevice is simple in structure and convenient to use, avoids manual moving of coarse materials, conducts secondary crushing on coarse materials, reduces the labor force and facilitates screening on crushed materials through the mesh screen.

The invention relates to the recycling field of organic glass, in particular to a waste organic glass cutting and crushing device which comprises a feeding structure and a crushing structure, wherein the crushing structure comprises a primary crushing cavity, a secondary crushing cavity, a primary crushing part arranged in the primary crushing cavity and a secondary crushing part arranged in the secondary crushing cavity; the primary crushing cavity and the secondary crushing cavity are connected by virtue of a neck part; the primary crushing part comprises two drive rolls driven by a drive motor, a conveyor belt arranged on the outer rings of the two drive rolls, and a cutting roll arranged above the conveyor belt; a cutting blade is arranged on the cutting roll; a cutting point of the cutting blade is within the surface of the conveyor belt; and the drive rolls drive the conveyor belt to move. The waste organic glass cutting and crushing device can be used for efficiently crushing the waste organic glass, and is small in noise, so that the working efficiency is improved and the crushing cost is reduced on the premise of guaranteeing complete crushing.

The invention discloses a plastic waste smashing device, and belongs to the technical field of waste recycling equipment. The device comprises a supporting frame and a machine cover arranged on the supporting frame, a feeding platform is arranged on the side face above the machine cover, a driving hob and a driven hob which are engaged for cutting are arranged above the interior of the machine cover, the feeding platform is connected to the position between the driving hob and the driven hob, an outer cutting column and an inner cutting column which are concentric are arranged at the central position of the interior of the machine cover, cutting teeth are arranged on the inner wall of the outer cutting column, cutting teeth are arranged on the outer surface of the inner cutting column, a gap is arranged between the outer cutting column and the inner cutting column, gaps are formed in the left side and the right side above the outer cutting column, a left partition and a right partition are arranged on the gaps fixedly, and a blanking cylinder is arranged at the bottom of the machine cover. Compared with a traditional waste plastic device, the smashing device has the beneficial effects that smashing cost is saved, smashing efficiency is improved, the waste plastic can be subject to further granulation and recycling conveniently, development of the waste plastic recycling industry is promoted, white pollution is prevented from being intensified, and the device has the important significance in environment protection.

The invention discloses a multifunctional feeding device for a vertical screen vibrating sand making machine, which comprises a feeding box body, a material distribution plate and elastic parts; the upper end of the feeding box body is an incompletely closed feeding The lower end surface is a fully-opened discharge port; in the feed box, a distribution plate is arranged transversely relative to its axis; an elastic member is axially arranged between the distribution plate and the feed box; The feed box is located on the square of the impeller of the sand making machine, and the material distribution plate, the impeller, the feed pipe of the sand making machine, and the vibrating mechanism of the sand making machine are arranged correspondingly on the same axis from top to bottom; The material distributing mechanism and the vibrating mechanism on the vertical vibrating vibrating machine work together to make the material make full use of the collision force, and the crushing strength is greater. The above structure can effectively solve the problem of unsmooth discharge of materials in the vibrating vibrating vertical vibrating mechanism and sand making. The problem of low crushing efficiency and insufficient crushing of materials has greatly improved the crushing efficiency and quality of materials, and reduced the energy consumption of crushing.

A unit-type roller-disk pulverizer is composed of an annular grinding disk made up by embedding a flat lining plate on the annular flat bed car on an annular track, an annular machine frame, a toothed ring linked via gear to power mechanism, and 2-10 grinding units on said annular grinding disk. Said grinding unit consists of 2-6 grinding rollers with hydraulic cylinder at its both ends, pulverized material layer controller, unloader, plate cleaner for grinding roller, and material collecting small scraper.

The invention belongs to the technical field of tailing pond treatment, and discloses a tailing pond selling method. The method comprises the following steps of step 1, preparing a filling material byutilizing mining waste rocks and mining tailings in a grading manner; step 2, dewatering the graded filling material; step 3, conducting slurry treatment of the graded filling material; step 4, filling. According to the method, replacement between waste rock mining and the tailing pond mining tailings is formed, specifically, the mining waste rocks are made into sandstone aggregates, and the mining tailings are used for filling a goaf formed by waste rock mining, so that benefit maximization of tailing pond selling treatment is achieved. Specifically, the mining tailings of the tailing pond are subjected to grading treatment, and coarse particle tailings are used as the sandstone aggregates to be sold after pollutants are deeply removed or innocent treatment is conducted. Oversize fine particle tailings are mixed with sandstone waste, and the goaf formed by mining the waste rocks is filled. Undersize fine particle tailings adjust the concentration of filling slurry, and can also be used as a preparation raw material of a novel cementing agent.

The invention discloses a rod screening and feeding machine which comprises a feeding machine tank composed of a feeding tank (9), a bar section (10) and a fine screen (11). The feeding machine tank is provided with an excitation system. The excitation system is a double-shaft excitation device. The excitation system is arranged on the lower portion of the feeding machine tank. According to the structure of the double-shaft excitation device, a control system of a motor (1) is connected with a frequency converter (2), a main shaft of the motor (1) is connected with a main eccentric shaft (5) through a flexible coupler (3), and the main eccentric shaft (5) is connected with an auxiliary eccentric shaft (7) through a gear (6) in a transmission mode. The rod screening and feeding machine is large in excitation force and high in processing ability, and the feeding quantity can be convenient to adjust.