12results about How to "Reduce powder content" patented technology

The utility model relates to the technical field of sintering waste heat comprehensive utilization, in particular to an annular cooler sinter waste heat utilization device which comprises an annular cooler, and a first cooling section, a second cooling section, a third cooling section, a fourth cooling section and a fifth cooling section are sequentially arranged on the annular cooler in the sinter feeding direction. A lump ore storage bin is arranged on the upper portion of the annular cooler, a discharging opening of the lump ore storage bin is communicated with a continuous weighing device, the continuous weighing device is communicated with a feeding opening of a buffering material receiving groove, and a discharging opening of the buffering material receiving groove is communicated with a hopper of a fourth cooling section of the annular cooler. Flue gas exhausted from the fourth cooling section is subjected to heat transfer with the buffer material receiving groove; and the flue gas discharged from the fifth cooling section enters the fourth cooling section for cyclic utilization. According to the utility model, the lump ore in the buffer material receiving groove is preheated by the flue gas discharged from the fourth cooling section of the annular cooler, and the lump ore is heated and dried by the waste heat of the sintered ore in the annular cooler, so that the moisture content of the lump ore is reduced.

The present application relates to the field of mining machinery and equipment, and in particular to a feeder-crusher integrated machine, comprising a frame and a crushing assembly, and also comprising a transmission and filtering assembly, wherein the transmission and filtering assembly comprises a plurality of conveying rollers arranged in parallel and spaced apart in the material conveying direction, wherein the conveying rollers are rotatably connected to the frame, and the plurality of conveying rollers have the same rotation direction, wherein the crushing assembly is arranged at a position close to one end of a trajectory line in the material conveying direction and is located above the conveying roller, and wherein the crushing assembly is used to crush the material. The present application has the effect of reducing dust.

The utility model provides an on-line drying and feeding system for blast furnace materials, which comprises a stock bin, a feeding device, a feeding device and a discharging device, wherein a plurality of discharging holes are formed in the bottom of the stock bin; each vibration screening feeding device comprises a material outlet and a powder outlet; the drying pipes are in one-to-one correspondence with the discharging ports, one end of each drying pipe is connected with the corresponding discharging port, the other end of each drying pipe is connected with the vibration screening feeding device, and each vibration screening feeding device is at least connected with one drying pipe; the heating device is used for heating the internal space of the drying pipe; a material inlet of the material weighing device is connected with a material outlet of the vibration screening feeding device; and the material conveying device is used for conveying the materials discharged from the material weighing device to the blast furnace. The system can realize on-line drying and screening of materials, reduces the moisture content and powder content of the materials, ensures the stable furnace condition of the blast furnace, is low in system construction and operation cost, and can meet the requirements of energy conservation and emission reduction at the same time.

The present invention relates to a breeding machine, in particular to a feed crusher. It comprises a frame structure base, a circular bottom plate is fixed on the base, a discharge port is arranged at the edge of the bottom plate; a conical movable bevel gear is arranged above the bottom plate, the outer conical surface of the movable bevel gear is evenly distributed with the outer tooth structure in the generatrix direction, and the conical bottom of the movable bevel gear is driven by a power mechanism under the bottom plate; the fixed bevel gear of the cone cylinder structure is sleeved on the movable bevel gear, and the fixed bevel gear comprises a feed port, an upper cone cylinder part and a lower cone cylinder part from top to bottom, the feed port is located at the top of the upper cone cylinder part, and the cone angle of the upper cone cylinder part is greater than the cone angle of the lower cone cylinder part; the inner conical surface of the fixed bevel gear is evenly distributed with the inner tooth structure in the generatrix direction, and a gap is arranged between the tooth top of the inner tooth structure and the tooth top of the outer tooth structure; the fixed bevel gear is connected to the bottom plate through the flange at the bottom thereof, and a gap adjustment mechanism is arranged between the flange and the bottom plate. The present invention greatly reduces the powder content of the feed after crushing, so that the fineness of the feed meets the requirements, the fineness of the feed can be adjusted, the cost is reduced, and the efficiency is improved.

The invention relates to the technical field of feed processing, in particular to a calf feed additive and a preparation method thereof, and the additive is prepared by mixing a mineralized mixture and flour. The proportion of montmorillonite and starch is scientific, the usage amount of the wheat middling raw material containing the starch adhesive is reduced to the maximum extent, on the premise that the strength and the acceptable powder content of feed particles are guaranteed, the formula cost is reduced, the feed conversion ratio is improved, and the culture benefits of the calves can be remarkably improved.

The utility model provides an intelligent impurity removal device for experimental rabbit feed, and relates to the field of experimental rabbit feed impurity removal equipment, the intelligent impurity removal device comprises a support, the top of the support is fixedly connected with a screening mechanism, and the screening mechanism comprises a screening assembly, a first driving mechanism and a second driving mechanism; the screening assembly comprises a screening box, a conveying pipe, a hopper, a rotary screen, a discharging pipe, an auger and a fixing plate. The first driving mechanism is used for driving the auger to rotate. According to the pellet feed color screening device, by arranging the sorting assembly, the effect of conducting color screening on pellet feed can be achieved, and therefore black pellet feed, red pellet feed and pellet feed which is not uniform in color in the pellet feed can be screened out, and by arranging the screening assembly, the first driving mechanism and the second driving mechanism, the pellet feed can be screened out. According to the granular feed screening device, the effect of screening the granular feed according to the specification is achieved, irregular particles, powder and impurities in the granular feed can be removed through the drum screen, and therefore the uniformity of the granular feed can be guaranteed.

The invention relates to the technical field of mixing equipment, and discloses a powder-liquid mixing device. A powder-liquid primary mixer is provided with a primary mixing feed port, a primary mixing discharge port and an exhaust port. The powder-liquid primary mixer preliminarily mixes liquid fed through the primary mixing feed port with powder. A powder-gas separator is provided with an air inlet, an air outlet and a powder discharge port. The exhaust port is connected with the air inlet through an exhaust pipe. A powder-liquid strong mixer is provided with a strong mixing feed port, a powder return port and a strong mixing discharge port. The powder-gas separator separates gas containing powder from powder and feeds the separated powder into the powder return port through the powder discharge port, and the separated gas is discharged through the air outlet. The primary mixing discharge port is connected with the strong mixing feed port, and the powder discharge port is connected with the powder return port. The powder-liquid strong mixer can mix the powder-liquid mixture fed through the primary mixing discharge port with the powder fed into the powder return port. The invention realizes continuous mixing and stirring production of powder and liquid, realizes powder-gas separation simultaneously, and the separated powder can be automatically reused.

This utility model relates to a sieving device for removing powder from silicon material, comprising: an automatic feeder at the inlet end of the sieving device; the sieving device includes a fixed frame, a sieving frame, and a vibrating motor; tracks for vibrating the sieving frame are provided on both sides of the fixed frame, and the two sides of the sieving frame are slidably connected to the tracks; the vibrating motor drives the sieving frame to vibrate, thereby achieving the sieving of powder; the utility model, by allowing the two sides of the sieving frame to be slidably connected to the tracks, makes the sieving frame stable during vibration, facilitating maintenance and replacement, and also improving the stability of sieving.

The invention relates to the field of mining mechanical equipment, in particular to a feeding and crushing all-in-one machine which comprises a rack and a crushing assembly and further comprises a conveying and filtering assembly, the conveying and filtering assembly comprises a plurality of conveying rollers arranged in parallel at intervals in the material conveying direction, and the conveying rollers are rotationally connected to the rack; the multiple conveying rollers are arranged in the conveying direction, the rotating directions of the multiple conveying rollers are the same, the crushing assembly is arranged at the position close to one end of a track line in the material conveying direction and located above the conveying rollers, and the crushing assembly is used for crushing materials. The device has the effect of reducing the dust raising phenomenon.

The utility model relates to the technical field of sand making of double-roller crushers, and discloses a feeding accelerator for a double-roller crusher, the feeding accelerator comprises a feeding end and a discharging end, the feeding end is used for inputting to-be-crushed ore particles, the feeding accelerator accelerates the to-be-crushed ore particles input from the feeding end and then outputs the to-be-crushed ore particles from the discharging end, and the discharging end is used for discharging the to-be-crushed ore particles. The discharging end is used for outputting ore particles to be crushed to a double-roller crusher, the double-roller crusher is used for crushing the ore particles to be crushed, the double-roller crusher at least comprises two grinding rollers, and the two grinding rollers are oppositely arranged in parallel; and the two grinding rollers can synchronously and relatively rotate in opposite directions under the action of a driving mechanism and are used for crushing ore particles to be crushed. The feeding accelerator can increase the feeding speed of the roll crusher during crushing, and can greatly improve the yield of crushed finished products which are small-particle ores.

The invention discloses a wind and sand prevention system for an equipment foundation in a desert area and a construction method of the wind and sand prevention system, belongs to the technical field of engineering construction in the desert area, and can solve the problem that in the prior art, targeted wind and sand prevention design for wind power generation equipment in the desert area is lacked, so that the construction difficulty of wind power generation engineering is increased. The system comprises a weight covering unit which is pressed on an equipment foundation; the first sand stabilization unit is arranged on the outer side of the equipment foundation, is located in the prevailing wind direction of the desert area and comprises a plurality of rows of sand stabilization trees; the second sand stabilization unit is arranged on one side, far away from the equipment foundation, of the first sand stabilization unit and comprises a plurality of rows of straw checks; the high vertical sand barrier unit is arranged on the side, away from the first sand stabilization unit, of the second sand stabilization unit and used for blocking sand wind in the prevailing wind direction of the desert area. The sand-proof device is used for sand-proof of the equipment foundation in the desert area.

The invention discloses a coke coal blending coking method suitable for a 6.78 m tamping coke oven. The method comprises the following steps: (1) coal blending; (2) crushing: crushing the mixed coal; (3) tamping: making the crushed mixed coal into coal cakes by using a tamping machine; (4) coking: loading the prepared coal cake into a coke oven for coking; (5) quenching: loading the mature coke into a dry quenching furnace for quenching to obtain a coke finished product; and (6) transferring and storing: transferring the quenched coke to a coke bin. The method has the beneficial effects that by adjusting the proportion of the mixed coal and the particle size of the mixed coal after crushing, and combining optimization of tamping briquette process parameters and optimization of coking process parameters, the coke powder content of a 6.78 m tamping coke oven is reduced to 8% or below, and the average particle size of the coke is 48 mm-50 mm; and the coal collapse rate of the coal cake is reduced to 4% or below, and high-quality coke is prepared while the production efficiency is ensured.