31results about How to "Sleek appearance" patented technology

The invention relates variable aperture tube making method and device, including tube end rotary forging and draw stretching. It first forges one end of the tube on the rotary forger into a smaller-aperture technical tube, which makes the stretching mould through to be clamped by the clamping module; using a hydraulic control system to drive clamping base and clamping module; inserting core rod with mould head in the copper tube to stretch by the stretching mould. It includes rotary forger and draw-stretching device. The clamping module, the stretching mould and the core rod makes up a stretching process line. The position of the core rod is adjustable and the stretching effect is good. The hydraulic control system is installed with travel switch to control stretching travel. It is applied to the control of thin-wall small-aperture copper tube and widely applied to cryogen pipeline in refrigerating industry.

The invention discloses a seaweed essence-containing swelling fruit type major element water soluble fertilizer and a preparation method thereof and belongs to the technical field of water soluble fertilizers. The fertilizer is prepared from the following raw materials in parts by mass: 373-400 parts of ammonium nitrate-phosphorus, 100-250 parts of potassium nitrate, 100-150 parts of monopotassium phosphate, 120-290 parts of potassium sulphate, 1-6.5 parts of boric acid, 1-5.0 parts of EDTA chelating zinc, 1-5.0 parts of EDTA chelating iron, 1-5.0 parts of EDTA chelating manganese and 1-7 parts of seaweed essence. Aiming at the defects in the prior art, based on a tower melt prilling compound fertilizer device, the fertilizer is obtained by scientifically and reasonably formulating according to current major element water soluble fertilizer, and is balanced and stable in nutrition, smooth in appearance, difficult to harden, fast to dissolve, free from residues, scientific and reasonable in formula, efficient and safe and comprehensive in nutrition.

The invention discloses a macroelement water-soluble fertilizer containing potassium fulvate. The water-soluble fertilizer is prepared by mixing and grinding the following raw materials, and is prepared by mixing the following components in parts by weight: 30-50 parts of urea, 20-30 parts of potassium nitrate, 10-20 parts of potassium dihydrogen phosphate, 3-7 parts of nitro phosphate, 4-8 partsof ammonium sulfate, 2-4 parts of potassium fulvate, 0.1-0.2 part of compound sodium nitrophenolate, 0.04-0.06 part of sodium naphthalene acetate, 0.3-0.5 part of sodium dodecyl benzene sulfonate, 0.08-0.12 part of a stabilizer, 2-4 parts of boric acid, 0.03-0.05 part of a fertilizer synergist, 3-7 parts of ethylene diamine tetraacetic acid (EDTA) chelated iron, 3-7 parts of EDTA chelated zinc and3-7 parts of EDTA chelated manganese. The preparation method comprises the following steps: putting the raw materials into a stirring device for mixing under a dry production environment according tothe proportions, then carrying out crushing, and carrying out packaging to obtain a finished product. The macroelement water-soluble fertilizer can provide comprehensive and balanced nutrition for growth and development of crops, and is not caked easily during a storage period.

The invention discloses a potassium nitrate co-production tower-type melt micrograin water-soluble fertilizer and a preparing method thereof and belongs to the technical field of water-soluble fertilizer production. The potassium nitrate co-production tower-type melt micrograin water-soluble fertilizer is prepared from potassium nitrate concentrated solution, urea, industrial monoammonium phosphate, water-soluble ammonium polyphosphate, potassium sulfate, EDTA-Fe, EDTA-Zn, EDTA-Mn, boric acid and ammonium heptamolybdate. The potassium nitrate co-production tower-type melt micrograin water-soluble fertilizer is balanced and stable in nutrient, has a microgranular shape and smooth appearance, is not prone to hardening, can be absorbed and utilized by crops easily, and contains comprehensive nutrients. The fully-automatic dispensing equipment production technology is adopted, dispensing, mixing and packaging are integrated and achieved automatically, the technology is environmentally friendly, energy is saved, and production is easy.

The invention relates to a fully automatic efficient flour producing machine, which comprises a rack, a feeding device arranged on the rack, a flour producing device, a repeatedly screening device, a discharged material bagging device, a centrifugal high-pressure fan and communication pipes between devices. A flour lifter is arranged above a Toro rack so as to make materials flow into a large WLDA feeding hopper by self gravity, energy consumption in repeated lifting and unloading is reduced, and simultaneously the structure is more compact. Components of a hopper under a mill and an induction material receiver make the materials respectively enter the flour lifter so as to increase the unit yield of flour ground by a single machine and improve the economic benefits. A flour outlet prong in a flour receiving cabinet is matched with a poking hopper to control the flour to be discharged from different outlets, and flour bags at both sides respectively receive the materials to realize continuous bagging. Three air doors are arranged to control the air volume balance of each air transport system so as to make the whole flour producing system more efficient.

The invention relates to a method for manufacturing a formula compound fertilizer, which is characterized in that: a master batch with certain nutrient proportion is fed into a horizontal granulator through a transmission system; dried and heated ammonium phosphate, potassium chloride or a mixture of potassium sulfate, stuffing and the like are mixed together with molten urea in a urea melter, and the mixture are fed into a mixed slurry pump groove through a mixed slurry delivering pipe to generate fusant slurry; and the fusant slurry is mechanically atomized by pressurizing through a slurry pump and is sprayed into the master batch of the granulator. The method can freely adjust the nutrient proportion of nitrogen, phosphorus, potassium and the like according to the demands so as to produce compound fertilizer products with different nutrient proportions, and the method realizes granulation in the horizontal granulator and completes spraying to improve the production efficiency. Simultaneously, the method is not influenced by geographic conditions, and saves investment by two third than the tower compound fertilizer technology.

The invention relates to the field of chemical milling, in particular to a method for coating a chemical milling protection adhesive film during chemical milling. The method comprises the steps of protection adhesive liquid preparation, surface cleaning of a workpiece to be coated, protection adhesive coating and post-processing of coating. Firstly, protection adhesive liquid capable of shortening the airing time and increasing the thickness of the adhesive film is prepared, and compared with protection adhesive liquid sold on the market, the protection adhesive liquid has the characteristics that the concentration of paint film components is higher, the viscosity is higher, and thinning agent components can be evaporated rapidly. Then, an original damaged protection adhesive film formed by laser engraving is adopted, and the integrity of apparent shape and the accuracy of dimension of pieces are guaranteed after chemical milling is completed. By utilizing the theory that homogeneous substances of organic solvent are soluble, a metal base body and the damaged protection adhesive film are coated with the protection adhesive liquid, and the bonding force between the base body and the damaged protection adhesive film is improved. By means of the method for coating the chemical milling protection adhesive film during chemical milling, the airing time after coating is shortened, the thickness of the coated adhesive film is increased, and the bonding force between the base body and the adhesive film is good.

The invention discloses a bent pipe machining device of a small-diameter thin-walled pipe for spraying and atomizing in deodorization equipment, the bent pipe machining device comprises a positioning bracket, a fastening assembly, a first positioning shaft, a fixed and movable pulley fixing rotating arm, a fixed pulley and a movable pulley, and the peripheries of the fixed pulley and the movable pulley are respectively provided with a circular arc groove matched with the outer wall of a to-be-bent pipe fitting. One end of the to-be-bent pipe fitting penetrates through a pipe bending hole and is fastened to the fastening assembly, the to-be-bent position of the to-be-bent pipe fitting is located at the pipe bending hole, and a supporting ball at the front end of a movable screw rod is always located at the stressed position of the pipe bending hole by adjusting a tightening nut. The bent pipe machining device of the small-diameter thin-walled pipe for spraying and atomizing in the deodorization equipment can ensure that the bent pipe part is not flat, wrinkled or broken, the appearance is smooth, and the bent pipe machining device is very suitable for trial production of products and small-batch production, simple in manual operation, low in investment and quick in effect taking.

The invention relates to the field of twist egg machines, and discloses a novel shell with a reliable structure, which comprises a shell internally provided with a cavity for containing objects, an assembly opening is formed in the shell, a cover body is assembled in the assembly opening, and the cover body and the assembly opening are connected through a switch assembly. The switch assembly comprises a guide block arranged on the inner side of the assembly opening and a guide female part arranged on the lower side of the cover body and used for being matched with the guide block, and a guide groove is formed in the guide female part. The guide groove is provided with an inlet for the guide block to enter, when the guide block slides into the guide groove in a matched mode, limiting locking in the vertical direction is achieved between the guide block and the guide groove, and the first spherical shell and the second spherical shell can rotate around the connecting piece. After the first spherical shell and the second spherical shell are covered, an assembly opening is formed in one end, and the cover body and the shell are locked up and down to form an integral structure. The shell has the advantages of being attractive in appearance, reliable in structure, round in overall surface, high in interestingness and the like.

The invention discloses tower-type melt granulation fertilizer special for improvement of acid soil and a preparation method thereof, belonging to the technical field of agricultural fertilizer. The fertilizer is prepared from urea, calcium magnesium phosphate, potassium chloride, potassium humate and filler. According to the tower-type melt granulation fertilizer special for improvement of acid soil, provided by the invention, aiming at the defects of the prior art, on the basis of a tower-type melt granulation compound fertilizer facility, the fertilizer is scientifically and reasonably prepared by combining the actual condition of the acid soil, and has the advantages of being balanced in nutritive substances, stable, smooth in appearance, and not easy to harden; the acid soil can be improved, and the soil acidity can be reduced; the formula is reasonable, the nutrition is comprehensive. The fertilizer can be used for comprehensively improving the acid soil, and improving the soil quality to increase the yield of crops.

The invention discloses a heating milk bottle with a handle and a using method. The heating milk bottle consists of a bottle body, a bottle cap and a nipple. The heating milk bottle is characterized in that: the middle upper part of the bottle body has slender waist-shaped deformation, 1 to 2 clamping grooves are processed on the slender waist-shaped upper and lower parts, the arc handle is arranged on the clamping grooves, and the outer side of the handle is 10 millimeters lower than the outer side of the bottle body. The handle can be detached freely. The outside wall of a heater at the bottom of the bottle body is provided with a DC/3V power supply jack. The heating milk bottle can meet milk drinking of an infant, also can meet grabbing exercise of the infant, and meanwhile can heat the milk in the bottle.