42results about How to "Reduce the difficulty of subsequent processing" patented technology

The invention discloses a thermal-braise technique for liquid steel slag, which pours liquid steel slag into a thermal-braise tank directly for treatment, and the specific working procedure is: extending the bottom of the thermal-braise tank equally with dry steel slag with the thickness of 190 to 230 mm, pouring the produced liquid steel slag while making steel into the thermal-braise tank, the amount of the poured liquid steel slag is 10 to 12 percent of the gross cubage of the thermal-braise tank; spraying water into the thermal-braise tank immediately after the liquid steel is poured into the tank to ensure the surface of the liquid steel slag to form crust immediately; the manipulator looses the crusted steel slag until the liquid slag appears, and then restarts the water-spraying procedure to loose the steel slag; the final part is temperature-reducing procedure, and opens the cover to discharge the slag after aerating for 25 to 35 minutes. The technique of the invention finishes the whole process from liquid steel slag to steel slag grain in the thermal-braise tank, which primarily puts an end to the problem that liquid steel slag pollutes environment seriously, furthermore, the fine crushing degree of steel slag finally formed by the technique of the invention is excellent, and the self-crushing effect of steel slag in the fine crushing process is excellent, thereby leading the metal recovery rate of the steel slag to be improved about 18 percent compared with the prior art.

The invention discloses a solid-liquid separation method and device for multi-material anaerobic fermentation liquid containing kitchen wastes and belongs to the technical field of kitchen waste treatment. A first discharging hole of a filter press is connected with a feeding hole of an oil-water separation tank by virtue of a pipeline; an overflow port of the oil-water separation tank is connected to a first conditioner by virtue of a pipeline; a submersible sewage pump is arranged in the first conditioner; the discharging hole of the submersible sewage pump is connected with a feeding hole of a multi-disk screw thickener; a second discharging hole of the multi-disk screw thickener is connected to a second conditioner by virtue of a pipeline; the second conditioner is connected with a feeding hole of a plunger pump by virtue of a pipeline; a discharging hole of the plunger pump is connected with a feeding hole of a plate-and-frame filter press; a residue outlet collection bucket of the plate-and-frame filter press is connected with the feeding hole of a residue delivery screw; the discharging hole of the residue delivery screw is connected with a residue box. Aiming at the material characteristics, the problems generated during operation of the original anaerobic fermentation liquid solid-liquid separation equipment with participation of kitchen wastes are gradually solved, the operating stability is improved, the treatment effect is ensured, the operating cost is reduced, secondary pollution is reduced, and the solid residues obtained by solid-liquid separation meet the national standard.

The invention discloses a mixing and defoaming equipment for water paint processing. The mixing and defoaming equipment comprises a stirring box, a support is fixed to the bottom of the stirring box, a discharging opening is formed in the upper end of the stirring box, a motor is fixed to the bottom of the stirring box, a rotating shaft is fixed to an output shaft of the motor, and a plurality of stirring blades are fixed to the circumferential side wall of the rotating shaft; a plurality of fixing rods are fixed to the inner wall of the stirring box, a magnetic block is fixed to the end of each fixing rod, and a bubble removing groove is formed in the side wall of each stirring blade. The equipment has the advantages that by arranging a telescopic rod and the magnetic blocks, in the rotating and stirring process of the stirring blades, the telescopic rod does reciprocating telescopic motion under the action of the magnetic blocks, so that a push plate does reciprocating motion, and raw materials in the center of the stirring box enter the bubble removing groove from the inner inlet and are conveyed to the edge position of the stirring box; the raw materials at the center and the edge positions are exchanged, so that the stirring and mixing effects are improved.

The invention discloses moving type bulk pepper collecting equipment, which comprises a carrying vehicle body, wherein a feeding pipeline, a stone removing and rotating device, a cyclone separator, a high-pressure fan, a wind closer and a chain plate conveyor are arranged on the carrying vehicle body; the outlet end of the feeding pipeline is connected with the stone removing and rotating device; the stone removing and rotating device is connected with the cyclone separator; the upper end of the cyclone separator is connected with the high-pressure fan; the lower end of the cyclone separator is connected with the wind closer; the wind closer is connected with the chain plate conveyor. The moving type bulk pepper collecting equipment has the advantages that the pepper bulk loading is realized; a woven bag is not used in the whole process; the labor consumption and the work intensity of people are reduced.

The invention discloses a split type bearing bush centrifugal casting method, which includes the steps of molten-state antifriction material preparation, bush billet treatment, centrifugal casting and subsequent machining. A bush billet is formed by fixing two fastened half bushes, and a bush billet treatment process includes the steps: machining annular grooves coaxial to the bush billet on two end faces of the bush billet, enabling each of two side walls of each annular groove to be low inside and high outside, arranging a spacer on a jointing face of the two half bushes which are integrally fastened, and enabling the spacer to extend along the axis of the bush billet to form a partition with the radial length along the bush billet not smaller than the radial thickness of a lining formed by pre-casting. Subsequent machining of the split type bearing bush centrifugal casting method only needs to turn two end faces of a bush body formed after casting, two split half bushes naturally form two bearing bushes without machining of a slotting machine or a sawing machine, Babbitt metal is low in internal stress generated by means of subsequent machining and is firm in jointing with the bush billet, bearing bush forming quality can be guaranteed, subsequent machining difficulty is low, workload is less and machining cost is low.

The invention relates to a method for preparing chemical carbon powder by coagulation on the basis of modified latex particles and modified pigment emulsion. The method includes uniformly dispersing the modified latex particles with sulfonic groups fixed on surfaces, modified pigment particles coated with high polymers, wax dispersion liquid, anionic surfactants and nonionic surfactants in a disperse system at first; then adding flocculating agents into the system to remove stabilization so that the latex particles are coagulated to form micelle, and enabling the pigment particles and wax dispersion particles to coat inside the micelle when the latex particles are coagulated to form the micelle; and finally, performing thermal treatment to obtain chemical carbon powder particles with controllable sizes, approximately spherical shapes and uniform particle diameters.

The invention discloses a metallurgical fly ash closed collection and treatment and transportation system and technology. The metallurgical fly ash closed collection and treatment and transportation system comprises a fly ash main storage unit, a filter storage unit, a fluidized variable temperature unit, a pneumatic transportation unit and a diffusing unit. The fly ash main storage unit is used for storing fly ashes. The filter storage unit includes a filter module, a coarse material storage module and a fine material storage module, the filter module is used for performing vibration screening on the fly ashes, the fine material storage module is used for fine materials, and the coarse material storage module is used for grinding and storage of coarse materials. The fluidized variable temperature unit is used for heating and dehydrating, cooling or pressurized fluidizing on fine materials and/or the coarse materials. The pneumatic transportation unit is used for transporting the fly ashes to subsequent equipment. The diffusing unit is used for ensuring the pressure balance between the fly ash main storage unit, the filter storage unit and the fluidized variable temperature unit. The metallurgical fly ash closed collection and treatment and transportation system can realize the functions of fly ash collection, screening, grinding, heating, cooling, pressurized fluidizing, storing, pneumatic transporting and the like in a closed system.

The invention relates to a preparation method and device for refractory rare metal annular target materials, and belongs to the technical field of metal target material preparation. The device comprises a furnace body, a vacuum system, an inflation valve, an electronic gun and a water cooling mould. The furnace body is divided into a furnace room and an electronic gun room. The vacuum system is connected with the furnace room and the electronic gun room. The inflation valve is connected with the furnace room and the electronic gun room. The water cooling mould is arranged in the furnace room.An electronic gun is arranged above the water cooling mould. The water cooling mould is a mold provided with multiple annular water cooling grooves. By means of the technical scheme, the preparation process of the refractory rare metal target materials can be simplified, the subsequent processing difficulty can be lowered, and the production efficiency and purity of products can be improved.

The invention discloses an agricultural machinery straw crushing device based on a water-washing silt removal technology. The agricultural machinery straw crushing device comprises a cleaning box, a crushing box and a separating box, wherein the top end of the cleaning box is embedded with the crushing box; the bottom end of the crushing box is provided with a communicating hole; the center of thetop end surface of the crushing box is provided with a first motor; the inner cavity of the crushing box is provided with a crushing shaft; the bottom end of the crushing shaft penetrates through thecommunicating hole and is fixedly connected with a stirring rod through a connecting sleeve; the right side end of the cleaning box is fixedly connected with the separating box; the bottom part of the inner cavity of the separating box is provided with a separating net which separates the inner cavity of the separating box into a discharge chamber and a drainage chamber; and the interior of the discharge chamber is provided with a rotating shaft which is sleeved by an auger. According to the invention, through embedding of the crushing box on the cleaning box, two processes of crushing and cleaning are integrated together, and convenience in processing is greatly improved, so non-processing time is reduced, and processing efficiency is improved; and water stirred in the cleaning box is utilized to completely clean silts in crushed straw, and cleanness of straw can be effectively guaranteed, so the difficulty of subsequent processing is reduced, and the quality of processing is improved.

The invention discloses a manufacturing method for a blank of a length-unequal arc sheet metal part. The manufacturing method comprises the steps that the length-unequal arc sheet metal part is subjected to sheet metal spreading treatment by analytical software to obtain an approximate eccentric unequal side arc sheet whose arc sides R are equal; and a coil material is adopted as a raw material and manufacturing is performed on a blanking mould by adopting a mandarin duck type two-step dislocation blanking method. With the adoption of the manufacturing method of the blank of the length-unequal arc sheet metal part, an unequal side arc blank capable of being used for manufacturing the length-unequal arc sheet metal part can be manufactured on the basis of the existing blanking mould processing equipment; the processing allowance is small; the difficulty in subsequent processing can be reduced; the production efficiency can be improved; the material can be saved; the cost can be lowered; and the improvement on competitiveness of an enterprise is facilitated.

The invention relates to the field of materials for degrading tetracycline substances, and in particular, relates to an anode material applied to photoelectric degradation of tetracycline, wherein the anode material comprises ferric chloride hexahydrate, sodium nitrate, a cobalt chloride hexahydrate mixed solution and fluorine-doped SnO2 electrically conductive glass. The invention provides the anode material applied to the photoelectric degradation of tetracycline, the Co:alpha-Fe2O3 anode material is prepared in a Co doping mode, and the recombination rate of an electron-hole pair of alpha-Fe2O3 is effectively reduced. Under the condition of illumination, the Co:alpha-Fe2O3 anode material can degrade tetracycline hydrochloride at a relatively low voltage, so that the degradation cost is reduced, and the safety of the degradation process is improved. Besides, the Co:alpha-Fe2O3 anode material grows on the FTO, and after the degradation process is completed, the Co:alpha-Fe2O3 anode material can be recycled without filtering operation, so that the difficulty of the subsequent treatment process is reduced, and the burden of the material on the structure of the next unit is reduced.

The invention relates to the processing of plastic products, in particular to aplastic product crushing and cleaning device. Theplastic product crushing and cleaning device comprises a machine frame,a crusher, a dischargechannel and a collecting trough; themachine frame is a hollow frame body; the crusher is installed at the upper end of themachine frame, the upper end of the crusher is a feedingopening,andthe lower end of the crusher is a discharge opening; a feed cleaning device is connected to the feedopening; the discharge channel is vertically disposed under the crusher, and the discharge opening of the crusher is connected and communicates with the upper end of the discharge channel; and the collection trough is placed below the discharge channel. The plastic product crushing and cleaning device has the advantages thatthe structure issimple, operation and use areconvenient, plastic products can be pre-cleaned before crushing, the difficulty of subsequent processing isreduced, and trouble and effort are saved.

The invention mainly solves a rod wire cold shear blade laser manufacturing structure and a manufacturing flow and a method. The gradient cladding is performed for a cobalt base alloy material under a shear blade shear surface stress point, and the cladding quantity of the cobalt base alloy is gradually reduced according to a shear force transfer descending path, so that the blade life is prolonged, and the cost consumption is reduced. In order to reduce deformation generated by laser cladding, the removing quantity of a working layer surface of the laser clad cobalt base material is reduced, so that the blade function is realized, and the manufacturing cost is reduced; and in the shear blade laser cladding process, a shear blade is fixed on a platform manufactured by gray cast iron for dispersing heat and stress generated in the machining process to effectively limit deformation and reduce subsequent machining difficulty.

The invention discloses a mold pressing process for a high-strength composite OSB plate. The mold pressing process comprises the following steps of a. soaking an OSB plate with ammonia water and curing; b. carrying out mold pressing shaping on the OSB plate; and c. carrying out mold pressing on decorative fancy plywood veneers and the OSB plate into one piece. According to the composite plate prepared by the process, on one hand, the OSB plate is soaked with the ammonia water, and the ammonia water is capable of softening the OSB plate and dissolving resin and colloid to release an adhesion force, so that cracking during a mold pressing process is avoided, and an initial adhesion force is provided for adhesion for the decorative fancy plywood veneers and the OSB plate, and meanwhile, the ammonia water naturally permeates the OSB plate soaked with the ammonia water in a sealed state, so that permeation uniformity of the ammonia water is ensured; and on the other hand, the decorative fancy plywood veneers are arranged at the two sides of the OSB plate, so that stress conditions of the two sides of the OSB plate can be effectively balanced, and the high-strength composite OSB plate is small in deformation and high in smoothness after the mold pressing shaping, and difficulty of a subsequent machining process for the plate is greatly reduced.