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61results about How to "Reduce the amount of damage" patented technology

Three-section type carbon-based catalyst regeneration tower system

The invention provides a three-section type carbon-based catalyst regeneration tower system which can improve an energy utilization rate in a carbon-based catalyst regeneration process and enhance matching and flexibility between a carbon-base catalyst regeneration tower and a desulfurization and denitrification adsorption tower. A tower body of the three-section type carbon-based catalyst regeneration tower system disclosed by the invention is sequentially divided into a preparing section, a preheating section, a first transition section, a heating section, a second transition section, a cooling section and an outlet section from top to bottom; the three sections of the preheating section, the heating section and the cooling section are all of tube-shell type heat exchange structures; thetower body of the regeneration tower serves as a tube pass, a carbon-based catalyst passes through the tube pass, and a heat exchange medium passes through a shell pass; the carbon-based catalyst enters to the tower top and reaches the bottom of the regeneration tower through the tube pass; the first transition section is arranged between the preheating section and the heating section, the secondtransition section is arranged between the heating section and the cooling section, the two transition sections are used for exhausting enrichment SO2 gas in the tower, and the exhausted SO2 gas is introduced into an acid making device.
Owner:GUODIAN SCI & TECH RES INST

Novel rice polishing machine

The invention relates to the technical field of mechanical equipment, in particular to a novel rice polishing machine. By the novel rice polishing machine, the polishing effect of rice is improved, the polishing yield of rice is improved, the damage amount of rice is increased, the purification treatment of rice is facilitated, the diversity of equipment functions is improved, and the practicability and reliability are improved by carrying out integrated polishing treatment on rice. The novel rice polishing machine comprises a guiding device, a polishing device, a power device, a wetting device, a separating device and a discharging device. The guiding device comprises a working bin, a first support, a screen barrel, a feeding bin, a first belt pulley, a transmission shaft, spiral blades and a second support. The lower side of the working bin is conical, and a first cavity is formed in the working bin; the outer side of the bottom end of the working bin is connected with the top end ofthe first support; the screen barrel is cylindrical, and a plurality of groups of screen holes are uniformly formed in the outer wall of the screen barrel; the right end of the screen barrel is hermetically connected with the upper side of the right end of the first cavity; and the left end of the screen barrel is in sealing connection with the upper side of the left end of the first cavity.
Owner:扬州正大机械制造有限公司

Tea leaf dehydration device

The invention relates to the technical field of tea processing, and discloses a tea dehydration device, which includes a dehydration cylinder and an inner cylinder, the lower part of the dehydration cylinder is fixed with a partition plate, the inner cylinder is fixed on the partition plate, and the dehydration cylinder is sleeved on the inner cylinder On the outside, the inner cylinder is fixedly connected with the dehydration cylinder, and the collection chamber is formed between the dehydration cylinder and the inner cylinder. The inner cylinder is fixed with a boss, and the boss is located in the inner cylinder. Drainage grooves, with air holes between the drainage grooves, water pipes at both ends of the boss, air bags at the bottom of the water pipes, pressure switches at the bottom of the air bags, tea holes on the side walls of the upper chamber, and air holes on the side walls of the lower chamber , a motor is installed in the lower cavity, a spiral blade is arranged on the rotating shaft, a first hot air channel and a through hole are arranged in the partition plate, a drying box is arranged under the partition plate, and a second hot air is arranged on the side wall of the drying box. A blower is fixed in the drying box, and the blower is electrically connected with the pressure switch. The invention has the advantages of simple structure, convenient use and good dehydration effect on tea leaves.
Owner:湄潭华山剑茗茶业有限公司

Putting-away rack special for mining tools

The invention relates to a putting-away rack special for mining tools, and belongs to the field of mining machinery equipment. The putting-away rack comprises a box body base, tool classifying and placing boxes are arranged at the lower part of the box body base, a cavity is formed in the upper part of the box body base, pick placing holes are formed in the top of the cavity, pick placing racks corresponding to the pick placing holes are arranged on the two sides of the pick placing holes, inclined supporting plates are arranged on at least one side surface of the box body base, a vertical plate is arranged at the rear part of the box body base, a supporting transverse plate is arranged at the lower part of the vertical plate, an iron shovel head placing groove is formed in the supportingtransverse plate, elastic ropes are arranged at the upper part of the vertical plate, one ends of the elastic ropes are fixed to the vertical plate, the other ends of the elastic ropes are connected to hooks, and hook rings matched with the hooks are arranged on the vertical plate. The putting-away rack has the advantages that the structure is simple, the design is reasonable, the mining tools canbe conveniently classified and placed, the damage amount and the discarding amount of the tools can be decreased, the production cost can be lowered, and the workload of logistic personnel can be reduced.
Owner:ZIBO HUAYUAN MINING CO LTD

Brick stacking device, method for controlling arrangement manner of stacked bricks and brick stacking machine

The invention provides a brick stacking device, a method for controlling an arrangement manner of stacked bricks and a brick stacking machine and belongs to the technical field of operation. The brick stacking device solves the problem that due to the fact that existing bricks are stacked manually, labor intensity is high. The brick stacking device comprises a temporary brick storing platform and a brick bearing part. Three temporary brick storing holes are formed in the temporary brick storing platform. The two temporary brick storing holes are parallel and are formed adjacently, and the other temporary brick storing hole is perpendicular to the other two temporary brick storing holes and formed adjacent to the other two temporary brick storing holes. Bottom plates are arranged on the bottoms of the temporary brick storing holes correspondingly. The temporary brick storing platform is provided with a brick placing execution part which enables the bottom plates to be moved horizontally and slide. The brick bearing part is located right below the temporary brick storing holes. The brick storing device is suitable for the odd layer arrangement manner of the stacked bricks and the even layer arrangement manner of the stacked bricks, and therefore has the beneficial effect of high universality. The brick stacking machine remarkably improves the stacking efficiency and remarkably reduces labor.
Owner:TAIZHOU VOCATIONAL & TECHN COLLEGE

C70 self-compacting concrete and preparation method thereof

The invention discloses a C70 self-compacting concrete and a preparation method thereof, and relates to the technical field of concretes. The C70 self-compacting concrete is prepared from, by weight,370 to 390 parts of cement, 800 to 815 parts of sand, 890 to 910 parts of broken stone, 90 to 110 parts of fly ash, 100 to 120 parts of mineral powder, 35 to 50 parts of silicon powder, 12 to 18 partsof a high-efficiency water reducing agent, 0.2 to 0.5 part of an air entraining agent, 0.1 to 0.6 part of a defoaming agent microcapsule and 150 to 165 parts of water. The preparation method comprises the following steps: 1, uniformly stirring and mixing the broken stone, the sand, the cement, the fly ash, the mineral powder and the silicon powder to obtain a first mixture; 2, uniformly mixing water, a superplasticizer and an air entraining agent, adding the obtained mixture into the first mixture, and uniformly stirring to obtain a second mixture; and 3, adding the defoaming agent microcapsule into the second mixture, and stirring for 13-17 S to obtain the C70 self-compacting concrete. The preparation method has the advantages of ensuring the flowability of the concrete and improving thestrength of the concrete, and the preparation method is simple and easy to implement.
Owner:陕西宏基混凝土构件有限责任公司

Clamping and welding device for communication coaxial cable

The invention provides a clamping and welding device for a communication coaxial cable. The device comprises an operation table; a magnifying lens which is arranged at one end part of the operation table; a sliding base which is arranged on one side of the operation table and can move in the front-back direction and the left-right direction of the operation table; a coaxial cable connector clamping and fixing mechanism which is arranged on one side of the sliding base and comprises a connector clamping fixed part and a connector clamping movable part which are movably connected and matched with each other to clamp and fix a coaxial cable connector; a coaxial cable clamping mechanism which is arranged on the other side of the sliding base and comprises a coaxial cable clamping fixed part and a coaxial cable clamping movable part which are movably connected and matched with each other to clamp and fix a coaxial cable; a welding tool; and a cable fixing groove which is formed between thesliding mechanism and the welding tool and comprises a main cable supporting groove and a plurality of branch wire guide grooves. Shaking and positioning of axis copper during welding can be prevented, so that the welding quality is guaranteed, the production operation efficiency is improved, and operation can be conducted by a single person.
Owner:WEIHAI POWER SUPPLY COMPANY OF STATE GRID SHANDONG ELECTRIC POWER COMPANY +1

Preparation method of nano silicon carbide and hollow glass bead mixed reinforced porous aluminum-based composite material

The invention discloses a preparation method of a nano silicon carbide and hollow glass bead mixed reinforced porous aluminum-based composite material, and relates to a preparation method of an aluminum-based composite material. The problems that hollow glass beads are low in strength, and a porous aluminum-based composite material prepared from the hollow glass beads is low in strength and poor in energy absorption effect are solved. The method comprises the steps that hollow glass beads, silicon carbide reinforcement, aluminum metal powder and aluminum ingots are weighed, the silicon carbide reinforcement and the hollow glass beads are mixed to obtain composite powder, the dried composite powder and the aluminum metal powder are mixed to obtain mixed powder, and a graphite mold is filled with the mixed powder to obtain a preheated prefabricated body; molten aluminum metal is prepared; and finally, liquid aluminum is infiltrated. The nano silicon carbide and the hollow glass beads are mixed, the silicon carbide reinforcement can uniformly cover the surfaces of the glass beads, and the silicon carbide reinforcement and the glass beads form mechanical combination, so that the bearing capacity of the hollow glass beads is improved, and the composite material has relatively high porosity.
Owner:HARBIN INST OF TECH

Cut-to-length shear crankshaft encoder fault diagnosis method and device

The invention provides a cut-to-length shear crankshaft encoder fault diagnosis method and device. The method comprises the steps that the rotation angle value of a crankshaft in the shearing processof a cut-to-length shear is obtained in real time through a crankshaft encoder; in the shearing process of the cut-to-length shear, time slices are generated according to a preset time interval, and each time slice is marked with a numerical value sequence; the rotation angle value of the crankshaft is set to be within a preset angle range, and an angle value alpha 1 when a swing roller way is started to fall, an angle value alpha 2 when a pressing plate is started to fall, an angle value alpha 3 when the pressing plate is started to rise and an angle value alpha 4 when the swing roller way isstarted to rise are obtained; time slice calibration values are intercepted from the generated time slices according to the angle values alpha1, alpha2, alpha3 and alpha4; and whether the crankshaftencoder breaks down or not is determined according to the intercepted time slice calibration values and the running state characteristic signals of the corresponding angle values. According to the invention, the operation state of the cut-to-length shear crankshaft encoder can be detected and diagnosed in real time, and when the crankshaft encoder fails, encoder fault information can be displayedin real time.
Owner:CHONGQING IRON & STEEL CO LTD

Multipurpose folding insulating pad

The invention discloses a multipurpose folding insulating pad, which comprises a top pad. The bottom end of the top pad is connected with a bottom pad, and a transverse slot is formed in the top pad.One side of the transverse slot is connected with a vertical slot. A trapezoidal slot is installed on the other side of the vertical slot. The inner side of the transverse slot is connected with a bump. A trapezoidal bump is installed on the inner side of the trapezoidal slot. The outer wall of the bottom pad is connected with a connecting piece. In the invention, the top pad is made of a high-temperature vulcanized silicone rubber material and is an auxiliary insulating part of the insulating pad, the folding function of the insulating pad is realized by utilizing the high elasticity, oxidation resistance and low temperature resistance of the top pad, the bottom pad is made of an epoxy resin material and is a main insulating part of the insulating pad, and the mechanical strength of the insulating pad is satisfied by utilizing the high hardness, high insulativity and corrosion resistance of the epoxy resin insulating plate. Through the design, the problems of aging and poor tear resistance of the insulating pad can be obviously prevented, and therefore, the service life of the insulating pad is prolonged, and the damage rate of the insulating pad is greatly lowered.
Owner:TIELING POWER SUPPLY COMPANY OF STATE GRID LIAONING ELECTRIC POWER COMPANY +1

Safety tool bag for rapidly coiling and uncoiling ground wires and method

The invention discloses a safety tool bag for rapidly coiling and uncoiling ground wires and a method. The tool bag is characterized by comprising a bag body, wherein the bag body is a rectangular cloth comprising an overlapping region, a bending region, an insulation rod region, a bending region and a ground wire region which are sequentially arranged at two opposite edges of the bag body, wherein a lower portion of the insulation rod region is provided with an insulation rod accommodation bag, a middle portion or an upper portion is provided with a velcro used for fixing an insulation rod at the insulation rod region, a lower portion of the ground wire region is provided with a ground wire winding device accommodation bag, the middle portion is provided with a velcro used for fixing a ground wire winding device on the ground wire region, and corresponding portions of back surfaces of the overlapping region and the ground wire region are provided with one or more velcros, hidden buttons, ropes or magnetic bars. The invention further relates to a method utilizing the safety tool bag to rapidly coil and uncoil the ground wires. The safety tool bag is advantaged in that damage to the ground wires can be reduced, and the coiling and uncoiling time can be shortened.
Owner:XINTAI POWER SUPPLY COMOANY STATE GRID SHANDONG ELECTRIC POWER CO +2
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