42results about How to "Avoid secondary operations" patented technology

The invention discloses an energy-saving and environment-friendly coal slime drying machine and a use method thereof. The energy-saving and environment-friendly coal slime drying machine comprises a roller arranged obliquely, and driving mechanisms and a limiting mechanism are arranged at the bottom end of the roller; an air inlet mechanism is arranged at a side end of the roller, and a feeding mechanism is fixed to the top of one end of the roller; a fixing disc is welded to one end of the inner wall of the roller, a drainage mechanism is rotatably arranged at the middle position of the fixing disc, the drainage mechanism comprises a drainage rod, a first limiting plate is arranged at one end of the drainage rod, and a second limiting plate is arranged at the other end of the drainage rod; an air outlet pipe connected to tail gas treatment equipment is arranged at the side end of the second limiting plate; and discharging mechanisms distributed parallelly are arranged at the bottom ofthe roller, and the discharging mechanisms are arranged right below drainage paddles. According to the energy-saving and environment-friendly coal slime drying machine and the use method thereof, through the transmission of third gears and racks, and under the action of gravity and spiral material leading paddles, materials with small particle sizes can be obtained, and the purpose of screening in the roller is finally realized; and the structure is simple, the manufacturing cost is reduced, and the energy-saving and environment-friendly coal slime drying machine and the use method thereof are suitable for small-scale production and have good popularization practicability.

The invention provides an automatic food heating and vending machine comprising an automatic food heating and vending machine body and a food heating system, wherein the food heating system is built in the automatic food heating and vending machine body and is used for automatically heating food. By means of the technical scheme of the invention, no matter a consumer purchases food in any form, the food can be automatically heated, moreover, the operation is simpler and safer, and the heated food can be obtained more quickly and directly, thereby improving the consumer experience and reducing the heat preservation energy consumption at the same time.

The invention discloses an intelligent paper test paper total score identification method and system, which are applied in the field of teacher test paper scoring for improving efficiency , in the method, numbers are accurately segmentedthrough a segmentation algorithm, a unit digit and a ten digit of a score of a corresponding question number in a score region picture are segmented and marked toobtain a marked score region picture, and real numbers are restored. The method is applied to the specific field of paper scoring of teachers and corresponds to a question number score extraction mode. In order to help a teacher group to increase the speed in paper scoring and reduce the burden and pressure of the teacher group, on the premise of changing the score of each question, the corresponding question number score of a score calculation column is recognized through a handwritten numeric recognition neural network, and the scores are added to obtain a total score. A total score calculation result is obtained through rapid identification and rapid calculation, the paper scoring speed is greatly increased, and therefore secondary operation is avoided.

The invention discloses a steel raw material nano crusher which comprises a machine body, a base and a driving device. The machine body is fixed on the base, a transmission main shaft is vertically arranged on the axis location inside a crushing drum, the lower end of the transmission shaft is installed on a bearing seat in the machine body, multiple crushing discs are symmetrically and movably connected to the two ends of the transmission main shaft respectively, the lower end of the transmission main shaft is connected with the driving device through a belt conveying device, multiple powder outlet channels are arranged on the side wall of the crushing drum, and one end of each powder outlet channel is located below a filter device. According to the steel raw material nano crusher, the multiple crushing discs are arranged inside the crusher, the crushing effect is effectively guaranteed, screen mesh is arranged inside the crushing drum, screening is conducted on the steel raw material particle size in the crushing process, secondary operation is avoided, the structure is simple, operation is convenient, moving is convenient and rapid, and the defects of an existing crusher are effectively overcome.

The invention relates to the technical field of garbage treatment equipment, and discloses a construction waste treatment device. A construction waste treatment device comprises a cleaning device, the rear end of the cleaning device is fixedly connected with a second housing, a dust falling device is arranged at the top of the second housing, the right end of the cleaning device communicates with a material guide pipe, a motor is fixedly installed at the top of the material guide pipe, and the surface of the output end of the motor is sleeved with a first belt wheel. The first belt wheel and a second belt wheel are in transmission connection through a belt, the surface of the driving shaft is sleeved with the second belt wheel, and a spiral blade is fixedly installed on the surface of the driving shaft and arranged in the material guide pipe. By arranging the cleaning device, the construction waste is cleaned and collected in the moving process of the pushing device, so that the cleaning speed of the construction waste is greatly increased, and meanwhile, the manual labor amount in the construction waste cleaning process can be effectively reduced.

The invention discloses a surface cleaning device for fence plate after production, and belongs to the technical field of fence cleaning. The surface cleaning device comprises a supporting plate frame; two sets of symmetrical sliding blocks are fixedly connected to the two ends of the top of the supporting plate frame, a bidirectional electric push rod is mounted at the top of the supporting plateframe, and two sets of symmetrical supporting seats are fixedly connected to the telescopic ends of the two sides of the bidirectional electric push rod; and sliding grooves are formed in the bottomsof the supporting seats, the sliding blocks are slidably connected with the sliding grooves, and two sets of symmetrical side frames are fixedly connected to the sides, away from each other, of the two sets of supporting seats. The surface cleaning device is simple in structure and convenient to operate, two sets of brush bristles simultaneously clean the two sides of the fence plate through cooperation of a motor and a belt, the two sides of the fence plate are conveniently cleaned at the same time, and cleaning efficiency is improved; and the distance between the two sets of brush bristlesis adjusted through the bidirectional electric push rod, a fan is matched with a filter net to collect waste, collection is facilitated while cleaning is conducted, secondary operation is avoided, thetime and labor are saved, fence plates of different sizes can be cleaned conveniently, and wide application is facilitated.

The embodiment of the invention is suitable for the technical field of vending machines, and provides a vending machine delivery failure processing method and device, and the method comprises the steps: receiving a delivery failure instruction sent by a vending machine, and the delivery failure instruction comprises the commodity information of a to-be-delivered commodity and the machine information of the vending machine; detecting whether the to-be-delivered commodity exists in other commodity channels of the vending machine or not according to the commodity information; if the commodity tobe delivered exists, determining that a target commodity channel of the commodity to be delivered exists from the other commodity channels, and indicating the vending machine to execute a delivery operation from the target commodity channel; and if not, identifying a target vending machine within a preset range of the self-service vending machine according to the machine information, and indicating the target vending machine to execute a delivery operation on the to-be-delivered commodity when receiving a preset instruction, thereby improving the success rate of customer purchase.

The invention provides a water-saving device used for uniform watering of concrete. The water-saving device used for uniform watering of the concrete comprises a winding mechanism, a watering mechanism and a fixing mechanism. The winding mechanism comprises a connection shaft and a fixing strip. The watering mechanism comprises a sponge layer, dropping holes, drainage grooves, a drainage layer, aflow distribution pipe and a connection pipe. The sponge layer is fixed to the drainage layer. The drainage grooves which are evenly distributed and the dropping holes which are evenly distributed areformed in the drainage layer. The dropping holes are formed in the side, face, close to the sponge layer, of the drainage layer and communicate with the drainage layer. The other end of the drainagelayer and the other end of the sponge layer are connected with the flow distribution pipe. The flow distribution pipe communicates with the drainage grooves. The flow distribution pipe is connected tothe connection pipe. The fixing mechanism comprises a limiting groove, a limiting hole, a fixing lead screw and a fixing supporting rod. The water-saving device used for uniform watering of the concrete is good in water saving performance, high in heat preservation performance, uniform in watering, low in water source evaporation speed and convenient to operate.

The invention provides a graphene mixed filler and a chromatographic column. The mixed filler comprises a graphene material and a chromatography medium filler, wherein the weight ratio of the graphenematerial to the chromatography medium filler is (1-50): 100, the particle size of the graphene material is 500-5000 meshes, and the particle size of the chromatography medium filler is 200-500 meshes. According to the invention, the special property (the pi-pi electron conjugative effect) of the graphene is adopted to achieve the column adsorption of the compound having the pi conjugated electronstructure, and the lower layer column has the conventional impurity separation effect so as to further separate, purify and adsorb the impurities, such that the multiple operations are avoided, and the chromatography cost and the operation time of the target product can be effectively reduced.

The embodiment of the invention provides an electronic contact list inquiring method, and solves the problems that the present electronic contact list contact person inquiring mode is inconvenient and slow and poor in user experience. The electronic contact list inquiring method comprises the steps that a contact person screening interface is displayed on an electronic contact list interface, wherein the contact person screening interface includes multiple contact person screening items which are distributed in two dimensional directions; at least one contact person screening item selection instruction performed on multiple contact person screening items on the contact person screening interface by the user is received; and the contact persons displayed on the electronic contact list interface are updated according to at least one contact person screening item selection instruction.

The invention discloses lid pulling equipment for barreled water. The lid pulling equipment comprises a conveying device, frames are fixedly connected to the two sides of the middle of the bottom of the conveying device, a fixing frame is arranged below the conveying device, the two sides of the top of the fixing frame are connected with the bottoms of the two frames, the left side of the top of the fixing frame is fixedly connected with a receiver, a vertical shell is connected to the center of the top of the fixing frame in a through manner, the front and back sides of an inner cavity of thevertical shell are fixedly connected with first cylinders, the output ends of the first cylinders are fixedly connected with second cylinders, and one ends of the two second cylinders are in slidingconnection to the front and back surfaces of the inner cavity of the vertical shell through slide ways. According to the lid pulling equipment for barreled water, empty barrels in different types canbe effectively fixed, the stability of the lid pulling equipment is increased, the lid pulling equipment can pull out barrel lids on the empty barrels in different types, the stopping or jamming condition of the equipment can be avoided, and a worker is prevented from performing secondary operation on the empty barrels.

The invention provides a medicament feeding machine for sewage treatment, which comprises a box body, the lower end of the box body is fixedly connected with a floating box, the interior of the floating box is fixedly connected with two symmetrically-distributed support frames, the interiors of the two support frames are jointly and rotatably connected with a driving shaft, the outer side of the driving shaft is fixedly connected with a wire roller, a connecting wire is wound on the outer side of the wire roller, one end of the connecting wire is fixedly connected with a fixing anchor, a self-locking motor is fixedly connected to the interior of the floating box, and an output shaft of the self-locking motor is connected with the driving shaft through a bolt. The floating box, the wire roller, the fixing anchor and other structures are additionally arranged at the lower end of the box body, when agents are fed, the box body can float on the treatment pond through the floating box, the box body can be fixed in a treatment pond through the fixing anchor, water flow in the treatment pond can drive the floating box to swing, and therefore the agent feeding range is wider.

The invention provides a door and window protective sleeve. The door and window protective sleeve comprises a door and window frame, wherein a protective sleeve main body is arranged at the splicing position of the door and window frame, the protective sleeve main body is L-shaped, a mounting hole is formed in the protective sleeve main body, a fixing device is arranged in the mounting hole, a chamfer is arranged at the bending position of the protective sleeve main body, the protective sleeve main body comprises a first side plate and a second side plate, the first side plate is connected with the second side plate through a connecting plate, a sealing wool top is arranged on the first side plate, and an adsorption strip is arranged on the connecting plate. The protective sleeve main bodycan be quickly sheathed at the splicing position of the door and window frame through a channel formed by the first side plate, the second side plate and the connecting plate, and the protective sleeve main body is fixedly connected with the door and window frame through the fixing device, so that the assembly operation of the protective sleeve is simple, the production efficiency is improved, the sealing wool top can achieve a good sealing effect, the resistance during the movement of the door and window frame is reduced, the stability of a door and window is ensured, the adsorption strip can eliminate excess collision force or supplement the insufficient force during closing, and secondary operation is avoided.