60results about How to "Guaranteed feeding effect" patented technology

The invention discloses a sequential solidification technology device and method used in vacuum smelting equipment. An induction heating coil is placed in a dead head section of an ingot die, and the feeding capacity of metal liquid in a dead head is enhanced through an induction heating method; a bottom cooling device with the cooling area smaller than the area of the cross section, at the bottom position of the ingot die, of a casting is arranged at the bottom of an ingot die base, the solid-liquid interface angle is reduced, and the metal liquid in the ingot die after pouring can be sequentially solidified from bottom to top. The solidification process control method is applicable to production of metal bar castings in the vacuum smelting equipment. Through the sequential solidification technology device and method, macroshrinkage and shrinkage porosity in alloy bar castings can be eliminated, the casting quality and the technology yield are improved, and the production efficiency is greatly improved.

The fodder thrower as one cultivation machine includes a casing, a fodder bin fixed inside the casing and with fodder outlet in the bottom, a fodder discharging board set below the fodder outlet and supported with several elastic supports, and a vibrator installed on the fodder discharging board. The casing has through hole in the front part for the front end of the fodder discharging board to stretch beyond the casing, and on the casing wall below the through hole, a fodder distributing motor is fixed and a fodder distributing pan is installed onto the fodder distributing motor and in the position corresponding to the front end of the fodder discharging board. The fodder thrower is used in pond cultivation and has the advantages of easy control of the discharged fodder amount, high utilization rate of fodder and convenient use.

The invention discloses a bamboo wood sharpening machine feeding device comprising a hopper. A first partition plate is fixedly arranged in the hopper, second partition plates are arranged on the twosides of the first partition plate, first motors are fixedly arranged at the bottom ends of the two sides of the hopper, a connecting curved rod is fixedly arranged on the side face of the hopper, a mounting plate is fixedly arranged at the bottom end of the connecting curved rod, a rotating rod is arranged on the mounting plate in a penetrating mode, and the outer side of the rotating rod is connected with a conveying roller in a sleeved mode; and a conveying belt is arranged on the outer side of the conveying roller, guiding grooves are formed in the conveying belt, an accommodating groove is formed between the guiding grooves, a pushing block is fixedly arranged on the accommodating groove, a second motor is fixedly arranged on the side face of the mounting plate, and a bottom plate isfixedly arranged at the bottom of the mounting plate. The bamboo wood sharpening machine feeding device is simple is structure, low in cost, convenient to operate and good in using effect, the stability of the feeding process can be effectively maintained, the feeding effect is ensured, meanwhile, noise is small, and thus noise pollution in the using process of the bamboo wood sharpening machine feeding device is reduced.

A spherical blasting ball high-speed planting machine provided by the invention comprises a material storing cabin, a material planting opening, a fixed seat, a rotatable seat capable of rotating relative to the fixed seat, a first pushing mechanism, a second pushing mechanism and an air collecting mechanism. A plurality of inner material feeding channels communicating with the material storing cabin and a plurality of outer material feeding channels communicating with the material planting opening are sequentially formed in the circumferential side of the rotatable seat, and the height difference exists between the inner material feeding channels and the outer material feeding channels in the vertical direction. The first pushing mechanism is used for pushing spherical blasting balls in the inner material feeding channels to the outer material feeding channels, and the second pushing mechanism is used for pushing the spherical blasting balls in the outer material feeding channels to the outer side of the material planting opening. The fixed seat comprises a first cam driving plate and a second cam driving plate, and the first cam driving plate and the second cam driving plate arearranged on the upper side and the lower side of the rotatable seat correspondingly to drive the first pushing mechanism and the second pushing mechanism correspondingly. The air collecting mechanismis used for positioning the spherical blasting balls, the material storing cabin is fixedly arranged on the fixed seat, and a flow guiding block is fixedly arranged on the lower side of the inner wallof the cylindrical material storing cabin.

The invention discloses a method for preparing silage and belongs to the technical field of silage. The method comprises (1) silage raw material preparation: cutting peanut seedlings and the whole corn plant, carrying out triturating and carrying out uniform mixing, (2) addition of a silage starter and water, and (3) silage container filling with the mixture, compaction, sealing and storage at the normal temperature for 30-60 days. The silage has silage effects better than that of the peanut seedlings having content of 100%, has high silage quality and a nutrition value similar to that of the corn silage, and has low pH and ammonia nitrogen / total nitrogen and ADF content and high lactic acid content.

The invention aims at solving the problems existing in blockage of a dewaxing opening in the prior art, provides a forming pouring gate with a dewaxing opening and a preparing and blocking method of the forming pouring gate, and belongs to the field of large thin-wall casting investment castings. The forming pouring gate is a wax pipeline with openings in the two ends and is composed of a left section, a middle section and a right section. The right section is a wax pipeline cavity. The middle section is a wax pipeline cavity with a thick end and a thin end, the thin end is connected with the right section, and the thick end is connected with the left section. The left section is a wax pipeline cavity with a boss on the side wall, and the dewaxing opening not opened is formed in the upper surface of the boss. The production consistency of the forming pouring gate is good, and the production process can be conveniently controlled. Meanwhile, the dewaxing opening is blocked through a special ceramic stop block, appropriate coatings are matched, the pheromone of leakage of molten steel during casting can be prevented, the feeding effect is guaranteed, and metallurgical defects such as hole shrinkage, loosening and blending can be reduced.

The invention relates to the field of smashing devices, in particular to a hay smashing device and a working method thereof. The hay smashing device comprises a smashing box, a plurality of sets of smashing assemblies arranged in the smashing box and annularly and evenly distributed and a driving mechanism used for driving the smashing assemblies, the crushing assembly comprises a mounting sleeve, a mounting plate, a ball groove, a rotating shaft, a rotating ball, a crushing blade and a transmission mechanism, the mounting sleeve is arranged in the crushing box in the horizontal direction and fixedly connected with the crushing box, the mounting plate is fixedly connected to the end of the mounting sleeve, the ball groove penetrates through the mounting plate, the rotating shaft penetrates through the ball groove, wherein one end of the rotating shaft extends into the mounting sleeve, the rotating ball is fixedly connected to the rotating shaft and is in ball joint with the interior of the ball groove, the crushing blade is arranged on the rotating shaft and is positioned outside the mounting sleeve, the transmission mechanism is used for enabling the rotating shaft to rotate and enabling one end, positioned in the mounting sleeve, of the rotating shaft to revolve around a rotating ball, and the driving mechanism is in transmission connection with the transmission mechanism. The hay crushing device has the effect of more uniformly crushing hay.

The invention discloses a method for removing dust by using an electric furnace, and belongs to the technical field of dedusting ash recycling in the metallurgical industry. According to the method, the recycled electric furnace dedusting ash is used for replacing a covering agent, the recycled electric furnace dedusting ash is filtered, dried, stored and prepared, when the liquid level of molten steel poured by a bottom pouring steel ingot rises to the elevation of a riser, firstly, carbonized rice husks are put into ingot mould riser molten steel and spread flatly, then prepared electric furnace dedusting ash is directly put into the carbonized rice husks spread flatly on the ingot mould riser molten steel, and the dedusting ash is spread flatly to cover the ingot mould riser end through an iron rake. According to the method, on the premise that the quality of steel ingot products is guaranteed, the electric furnace dedusting ash is used for replacing a covering agent, waste electric furnace dedusting ash generated by enterprises is fully utilized, the production cost can be reduced, and meanwhile smoke pollution can be avoided.

The invention relates to heat-preservation and flame-retardant casting covering slag. The covering slag comprises, by weight, 50%-70% of a suspending agent, 30%-40% of a flame retardant and 5%-10% of high-aluminum bauxite powder. A binder with the total quantity of 3%-5% can further be added to the covering slag. Silica sol or aluminum phosphate can be used as the binder. Artificial mica, bentonite, diatomite, palygorskite clay and the like can be used as the suspending agent. Alkyl sodium sulfonate, boric acid and the like can be used as the flame retardant. The covering slag has high heat preservation performance, flame retardance and coating performance, also has an excellent suspension property and is not prone to precipitation in the using process. The covering slag reduces the hot crack tendency of an aluminum-magnesium alloy casting. During casting, the covering slag forms a layer of reductive protective atmosphere on the molten magnesium interface of a riser, so that aluminum-magnesium alloy is protected against oxidization and is prevented from burning in a casting mould during casting; sequential cooling of the aluminum-magnesium alloy is guaranteed, the feeding effect in the solidification process of the aluminum-magnesium alloy is improved, and the aluminum-magnesium alloy casting free of inside crystal orientation defects, smooth in surface and free of oxidized wrinkled skin is obtained.

The invention provides a hub casting system. The exterior of a hub is structurally divided into a first step, a second step, a flange and a straight barrel in sequence, and a bearing mounting position is arranged in the hub in a penetration way, wherein a mounting groove is formed in the flange; a feeding head is arranged on the outer circle of the second step, and is connected with a straight runner through a transverse runner; a gap is formed between the root of the feeding head and the root of the flange, and is 3 to 5mm; a fracture is formed in the root of the feeding head and the second step. According to the hub casting system, the casting position of a casting is shifted to a position to be fed, that is, the feeding head is shifted to the second step on the flange, the feeding head is directly used for feeding to the second step, the straight runner and the transverse runner are continuous, and the casting is cast by virtue of the feeding head, so that the defect of shrinkage is substantially eliminated, and a result meets the requirement of a product.

The invention relates to the technical field of feed equipment, and discloses a poultry farm quantitative feeding mechanism utilizing a new-generation information technology. The quantitative feedingmechanism comprises a frame cage, a feeder is fixedly connected to the outer part of the frame cage, a containing hopper is arranged at the top of the feeder, and a discharging channel is arranged atthe bottom of the containing hopper. An air outlet is formed in the discharging channel, an air valve is arranged in the feeder, an air channel is fixedly connected to the outer part of the air valve,an ejector block is slidably connected to the bottom of the containing hopper, and a copper ring is fixedly connected to the outer part of the ejector block. Through cooperative use of the ejector block, the copper ring, a magnetic block, a positioning rod, a positioning spring and a cam, the feeding amount of feed fed to a feed trough each time is fixed, automatic feeding is achieved in a scattered mode, the feeding effect is effectively guaranteed, the feeding uniformity and feeding determinacy are guaranteed, thus the feeding effect is effectively guaranteed, excessive feeding is avoided,the health condition of poultry is effectively guaranteed, and the waste of the feed is effectively reduced.

The invention provides a hub casting system. The exterior of a hub is structurally divided into a first step, a second step, a flange and a straight barrel in sequence, and a bearing mounting position is arranged in the hub in a penetration way, wherein a mounting groove is formed in the flange; a feeding head is arranged on the outer circle of the second step, and is connected with a straight runner through a transverse runner; a gap is formed between the root of the feeding head and the root of the flange, and is 3 to 5mm; a fracture is formed in the root of the feeding head and the second step. According to the hub casting system, the casting position of a casting is shifted to a position to be fed, that is, the feeding head is shifted to the second step on the flange, the feeding head is directly used for feeding to the second step, the straight runner and the transverse runner are continuous, and the casting is cast by virtue of the feeding head, so that the defect of shrinkage is substantially eliminated, and a result meets the requirement of a product.