106results about How to "Strong conveying capacity" patented technology

The invention discloses a biological salt-degrading bacterial fertilizer consisting of the following components by weight proportion: 0.0013 to 0.0045 portions of gibberellin, 0.00002 to 0.0002 portions of cytokinins, 15 to 35 portions of bacillus megaterium, 50 to 80 portions of salt-degrading flora, 5 to 15 portions of amino acid and 2 to 10 portions of humic acid. The materials are evenly mixed and air dried. The bacterial fertilizer is formed by being extracted from marine microorganisms, rejuvenation, expanding propagation and being remixed with a plurality of trace elements. The bacterial fertilizer is scientific in formulation and very strong in activity, can be widely applied to salt lick improvement and a secondary salinization treatment, improves and optimizes soil environment and improves the deteriorated soil environment caused by the long-term use of chemical fertilizers and salt containing organic fertilizers (dungs). The bacterial fertilizer can facilitate the development of the roots of crops and can improve the ability of absorbing night soil. By applying the biological salt-degrading bacterial fertilizer, the fertilizer can facilitate the even seedling, uniform seedling and strong seedling at the earlier stage of crops, the strong nutrient transmission capacity at the middle stage and no premature senescence at the later stage.

The present invention is one kind of excavator and one kind of sand dredging boat, and relates to underwater sand excavation. The excavator is one sand dredging balance wheel with oscillating hydraulic cylinder to drive one balance wheel and the sand dredging board on the balance wheel to rotate reciprocally and periodically for cutting sand. The sand dredging boat includes one mechanical and hydraulic driving system and one conveying chain belt on the boat, and one sand dredging balance wheel in water. The present invention is superior to available chain-bucket sand dredging boat, and has separated excavating assembly and conveying assembly, hydraulic driving, 5-10 times raised production efficiency and easy control.

An epoxy resin composition applicable to fully wrapped devices is composed of an epoxy resin, a phenolic resin, an inorganic filling agent, a heat conduction filler and an additive. The epoxy resin is represented as a formula (1) and/or a formula (2), and the mass content of the epoxy resin is 2-7% of the total mass of the composition; the phenolic resin is represented as a formula (3) and/or a formula (4), and the mass content of the phenolic resin is 2-7% of the total mass of the composition; and the heat conduction filler is a crystallized silicon dioxide powder, an aluminum oxide powder or a silicon nitride powder. The invention further discloses a preparation method of the epoxy resin composition. The epoxy resin composition has the advantages of being wide in applicability, high in filling, few in pores and high in reliability. According to the preparation method, open mixing rollers are added between an extruder and a fluted roller in traditional epoxy resin composition production processes for open milling and mixing, and a thread groove is added onto a grooved roller with low temperatures, so that the preparation method has the advantages of being high in conveying capacity and large in shear cutting force.

The invention relates to a special material for a water supply pipe used in a mine. The special material is prepared from raw materials consisting of 50 to 70 parts of a polyethylene resin, 10 to 30 parts of a reinforcing agent, 5 parts of a coloring agent, 10 to 30 parts of a fire retardant, 0.1 to 1 part of an antistatic agent, 0.01 to 1 part of a processing aid, etc. A preparation method for the special material comprises the following steps: adding the polyethylene resin, the reinforcing agent, the coloring agent, the fire retardant, the antistatic agent and the processing aid in proportion into a high speed mixer for mixing for 10 to 30 min; and subjecting an obtained mixed material to plasticizing and extrusion by a double screw extruder, cooling and granulation so as to prepare the special material for the water supply pipe used in the mine. The special material prepared by the invention has the advantages of good flame retardation, excellent antistatic performance, high rigidity, light weight, corrosion resistance, no fouling, convenience in installation, etc., can be used for conveying high-sulfur water containing calcium ions, magnesium ions, etc. under the mine and has wide market prospects.

The invention relates to an efficient positive-pressure pneumatic conveying system of pebble coal for pebble coal discharge of a medium-speed coal pulverizer in a heat-engine plant. The efficient positive-pressure pneumatic conveying system of the pebble coal comprises a pebble coal bunker of which the upper end is connected with a pebble coal outlet of the medium-speed coal pulverizer, wherein the outlet at the lower end of the pebble coal bunker is connected with a feeding device; the inlet at the front end of the feeding device is connected with a compressed air pipeline; the outlet at the rear end of the feeding device is connected with the pebble coal bunker via a transfer pipeline; and a gas outlet of the pebble coal bunker exhausts through a dust remover. According to the efficient positive-pressure pneumatic conveying system, the defects of an original negative-pressure pneumatic conveying system are solved; the entire system is low in energy consumption, small in noise, high in reliability and strong in delivery capacity, and the delivery capacity of the system can be reinforced by a loose duct. Meanwhile, the situation that a solving method is provided when the system is broken down is ensured, and a vibrating screen of the pebble coal bunker can effectively remove the material which is not suitable for pneumatic conveying, and ensures that the system is not blocked.

The invention discloses an oil-gas lubrication method. The method comprises the steps that first, a PLC control system controls an entire oil-gas lubrication process and is sequentially connected with an oil pump, an electromagnetic valve, a distributor, an oil and gas mixer, a lubrication part and an oil return box; second, an oil box is connected with the oil pump; third, an air compressor is connected with the oil and gas mixer through a filter. The oil-gas lubrication method has the advantages that oil consumption (1/8-1/10 of that of oil-mist lubrication) is low, the adaptability (150-680 cst/40 DEG C) to lubricating oil viscosity is wide, oil mist conveying capacity (conveying air pressure is 2-10 bar, and air flow speed is 30-80 m/s) is high, conveying distance (capable of achieving 100m) is long, the sealing effect on a bearing is good (the positive pressure in the bearing is 0.3-0.8 bar), the service life of the bearing is long (the service life is prolonged by 2-4 times), emission of oil mist is avoided, and the environment is not polluted, thereby having high popularization value.

The invention discloses a stalk pulling and clamping conveying device of a cotton stalk pulling crusher. The device comprises a rack which is obliquely arranged, wherein a film lifting shovel is arranged at the lower end of the rack, front clamping and conveying mechanisms are arranged on the rack at intervals side by side, and each clamping and conveying mechanism comprises seedling dividers, bottom guiding wheels, belt wheels, tensioning wheels, V-shaped belts and top guiding wheels positioned at the upper part of the rack; the top of the rack is provided with auger conveying rollers, a transmission box and a transmission chain wheel are arranged below rotating shafts of the top guiding wheels respectively, the transmission chain wheel is connected with an external power input mechanism,and the bottom guiding wheels, the belt wheels and the top guiding wheels are all driven to rotate by the transmission box and the V-shaped belts; the belt wheels are mounted on a belt wheel bracketthrough connecting shafts, the tension wheels are mounted on the belt wheel bracket through connecting shafts, the belt wheel bracket is fixed to the rack through connecting bolts used for connectingplates, and the connecting plates are welded to the rack. The device has the advantages of reliable work and excellent conveying capacity, and the capacity of grabbing stems can be improved.

The invention provides a threshing cylinder with an adjustable threshing diameter, an adjusting method and a combine harvester. The threshing cylinder comprises a threshing cylinder, a diameter adjusting device and a driving device, wherein the diameter adjusting device is positioned on inner sides of a front support amplitude disc and a rear support amplitude disc of the threshing cylinder; and the driving device is used for conducting power to the diameter adjusting device. The threshing diameter of the threshing cylinder can be steplessly adjusted through the diameter adjusting device, meanwhile, the adjusted diameter of the threshing cylinder can be locked by the driving device, and thus operation stability of the threshing cylinder can be ensured. By adopting the threshing cylinder, the cylinder threshing diameter of the combine harvester can be conveniently and rapidly adjusted in real time, the threshing linear velocity and the threshing interval of the threshing cylinder can beadjusted according to harvesting situations, and the threshing adaptability of the combine harvester can be improved.

The invention provides a paper feed roller having durability, elasticity, and flexibility like rubber and also having moldability like resin, having a superior abrasion resistance, and having a sufficient carrying force relative to, especially, a silica sheet. This paper feed roller 1 is formed by molding thermoplastic elastomer composition, in which crosslinkable rubber or thermoplastic elastomer is dispersed by dynamic crosslinking, in thermoplastic resin or the thermoplastic elastomer into a roller state. At least, the surface layer of the roller includes titanium oxide at the ratio of not less than 1.5% but not more than 50% in a volume percentage.

The invention provides a twin-screw extruder and a meshing disk element therefor. The meshing disk element comprises n meshing blocks, wherein n is equal to or more than 2, torsion angles between every two end faces of the meshing blocks are different, and conveying capacity or pressing capacity of the meshing disk element is increased while the mixing quality of the meshing disk element is improved through regulating the torsion angles. The twin-screw extruder has better mixing quality and conveying capacity or pressing capacity.

The invention discloses a double-bud section sugarcane seed continuous supply device which comprises a rack, a sugarcane box and a conveying mechanism. The sugarcane box is installed on the rack and used for providing sugarcane seeds for the conveying mechanism, and the conveying mechanism is installed on the rack and located at the front side of the sugarcane box; the conveying mechanism comprises a conveying belt rotatably mounted on the rack and a plurality of sugarcane grooves; the conveying belt is triangular, the front side section of the conveying belt is a seed falling section, and the rear side section of the conveying belt is a seed arrangement section, wherein the seed arrangement section is divided into an inlet section, a lifting section and a redundancy discharging section in sequence from back to front, wherein the inlet section is horizontally arranged or inclines downwards from front to back; the lifting section inclines downwards from front to back, and the included angle between the lifting section and the horizontal plane is larger than that between the inlet section and the horizontal plane, and the redundancy discharging section is vertically arranged; and the sugarcane grooves are formed in the outer side face of the conveying belt at intervals. According to the double-bud section sugarcane seed continuous supply device, the seeds can be continuously, uniformly and orderly fed into a sugarcane collecting box of a seed-metering device, the labor intensity of workers is reduced, and the working efficiency is improved.

The invention relates to the technical field of elevators, in particular to a multi-elevator-car vertical elevator. The multi-elevator-car vertical elevator specifically comprises guide rails arrangedin a shaft and a plurality of elevator cars, wherein the number of the elevator cars is smaller than the number of floors of a building where the elevator is located by one. The elevator cars are arranged on various continuous floor slabs, and the elevator cars only run up and down on the guide rails corresponding to the floor height of single adjacent floors. The elevator is further provided with a control system for controlling the elevator cars to synchronously run and a drive device for driving the elevator cars to run up and down. According to the multi-elevator-car vertical elevator, the multiple elevator cars are arranged, are in linkage and synchronously run, the multi-elevator-car vertical elevator has the characteristics that the usage space is small, the transportation amount is large, and the waiting time is short, and good popularization prospects are achieved.

The invention discloses rapeseed conveying equipment easy to observe. The rapeseed conveying equipment easy to observe comprises a rapeseed lifting device and a rapeseed conveying device, wherein the rapeseed conveying device comprises a feeding trough, a cover plate arranged above the feeding trough and a conveying chain arranged in the feeding trough; a plurality of scraping plates are arranged on the two sides of the conveying chain; a conical hopper is arranged above the rapeseed inlet of the feeding trough; the inlet of the conical hopper directly faces the outlet of the rapeseed lifting device; the outlet of the conical hopper directly faces the rapeseed inlet; the rapeseed lifting device comprises a lifting trough, a packing auger arranged in the lifting trough, and a limiting mechanism for preventing the packing auger from up-warping; the packing auger consists of a hinge shaft, and a first blade and a second blade which wrap the hinge shaft spirally; the limiting mechanism is positioned between the first blade and the second blade. According to the rapeseed conveying equipment easy to observe, rapeseeds are not required to be transported manually during the overall rapeseed conveying process, so that labor is saved; the rapeseed lifting device is simple in structure and low in cost; moreover, the limiting mechanism which has a stabilizing effect is arranged in the lifting trough so as to limit the packing auger from up-warping or moving, and therefore, the stability is high.

The invention relates to an elliptical track vibrating screen, which belongs to the field of vibratory screening machines, can ensure that material particles move in an elliptical track on a screen surface, solve the problem of mesh blockage caused by materials which are difficult to screen or critical particle materials, and improve the sieving rate of the vibrating screen. The vibrating screen mainly comprises a screen frame, the screen surface, a double-shaft gear forced-synchronization exciter, a single-shaft exciter, a vibration reduction support device and a motor transmission device, wherein the double-shaft gear forced-synchronization exciter is arranged on a driving girder of the screen frame to ensure that a screen box vibrates in a linear track according to a 30 to 60 DEG vibration direction angle; an axis of the single-shaft exciter traverses the screen frame and is arranged under two lateral plates of the screen frame or the driving girder to ensure that the screen box vibrates in a circular track; and combination of vibration of the double-shaft gear forced-synchronization exciter and the single-shaft exciter drives the screen box to vibrate in the elliptical track in a longitudinal plane. The elliptical track vibrating screen has the characteristics of compact structure, steady operation, high sieving efficiency and the like, is convenient to adjust, and is suitable for screening the materials which are difficult to screen in various industries.

The invention discloses a set milling integrated sand bailing device and an application method thereof. The set milling integrated sand bailing device comprises an outer sleeve and a central rotatingshaft, the central rotating shaft is sleeved in the outer sleeve, a rock debris lifting channel is formed between the inner wall of the outer sleeve and the central rotating shaft, and spiral blades are arranged on the outer surface of the central rotating shaft; and the inner side of the outer sleeve is provided with a debris storage cavity. According to the set milling integrated sand bailing device, the bottom rock debris is transported into the debris storage cavity through the rock debris lifting channel through the spiral blades; and compared with other conveying modes, the mode that thespiral blades 21 are used to convey the rock debris is strong in rock debris carrying capacity, and the carried rock debris is more, so that the sand bailing efficiency of the device is improved, andthe rock debris at the bottom inside an oil well can be cleaned in time.