47results about How to "Shorten the setting time" patented technology

The invention discloses a light spray coating and a construction process thereof. The light spray coating comprises 15-20% of cement, 15-20% of plant particles, 35-40% of building material particles, 15-18% of clay, 5-8% of siliceous superfine powder, 3-5% of cellulose, 3-5% of alumina micropowder and 0.02-0.05% of aluminum powder. The construction process comprises the following steps: S1, mixing and stirring the light spraying material, adding water accounting for about 3% of the total weight of the light spraying material for wetting, forming a semi-dry material, and filling the semi-dry material into a powder tank of a powder spraying machine; s2, a semi-dry method is adopted for spraying, the semi-dry material in the step S1 is fed into a muzzle of a powder spraying gun, atomized water is added into the muzzle, and the semi-dry material is sprayed to a construction part in the sequence of water first and material second; and rubber powder is added into the atomized water. The materials in the spray coating are simple and easy to obtain, the cost is low, the effects of comprehensive reinforcement and no influence on the internal ecology of the soil can be achieved, the construction is simple and rapid, and a construction foundation does not need to be built; the setting time is extremely short, and the construction period is not delayed; the terrain does not need to be considered, the construction surface is smooth, and the original construction part is not changed too much.

The invention discloses low-carbon flow-state solidified soil for a seasonal frozen region. The low-carbon flow-state solidified soil comprises soil, a curing agent and water, the dosage of the curing agent is 15-20% of the mass of the dry soil; the water content is 40-60% of the dry mass of the soil and the curing agent; the soil comprises sludge and building residue soil, and the sludge accounts for 20-40 parts by weight, and the building residue soil accounts for 60-80 parts by weight; the curing agent is prepared from the following components in parts by weight: 40 to 60 parts of phosphogypsum, 10 to 15 parts of mixing plant waste slurry, 20 to 40 parts of steel slag, 5 to 10 parts of quick lime, 0.5 to 1.2 parts of glycerol, 0.2 to 0.6 part of hydroxypropyl methyl cellulose and 1 to 1.5 parts of water reducing agent; according to the invention, various technical problems of insufficient anti-freezing performance, unstable fluidity, long setting time, insufficient early strength, large shrinkage deformation, easy generation of segregation and bleeding and the like of the existing fluid-state solidified soil are solved, and meanwhile, more low-carbon environment-friendly raw materials are introduced, so that multi-aspect improvement of the performance of the fluid-state solidified soil and maximization of environment-friendly benefits are realized; and a more reliable and efficient solution is provided for earthwork such as foundation pit backfilling.

The invention discloses a mineral powder-red mud-desulfurized gypsum-based multi-source solid waste road grouting material as well as a preparation method and application thereof, and belongs to the technical field of solid waste utilization and road grouting reinforcement. The mineral powder-red mud-desulfurized gypsum-based multi-source solid waste road grouting material comprises a multi-source solid waste aggregate and 0.01-0.015 wt% of a water reducing agent mixed in the multi-source solid waste aggregate, wherein the multi-source solid waste aggregate is prepared from the following raw materials in percentage by weight: 40.5-43.5 wt% of red mud, 40.5-43.5 wt% of quick-hardening sulphoaluminate cement, 9-10 wt% of mineral powder and 3-10 wt% of desulfurized gypsum; the mass ratio of the red mud to the quick-hardening sulphoaluminate cement is 1: 1. The mineral powder-red mud-desulfurized gypsum-based multi-source solid waste road grouting material can be hydrated to generate spar with a supporting effect, so that the grouting material has high stone strength in an early stage and high stone strength stability in a later stage, and generated spar particles can interact with a water reducing agent; and meanwhile, the problem of stockpiling of contained solid wastes is effectively solved, and the preparation cost is greatly reduced.

The invention discloses a springback inhibitor for sprayed concrete as well as a preparation method and application of the springback inhibitor. The rebound inhibitor is prepared from the following components in percentage by mass: 2-5% of magnesium aluminum silicate, 19.8-29.8% of silica fume, 1-4% of a macromolecular tackifier, 2-5% of aluminum sulfate slag powder, 38-51% of superfine stone powder, 9-16% of fly ash microspheres, 1-2% of a water reducing agent, 2-3% of redispersible milk powder, 2-5% of inorganic mineral fibers and 0.01-0.2% of modified plant fibers. The springback inhibitor disclosed by the invention has a remarkable effect on reducing the springback rate of the sprayed concrete, and can enhance the water dispersibility resistance of the sprayed concrete and improve the cohesiveness of the sprayed concrete. The preparation method disclosed by the invention is simple in industry and easy for large-scale production.

The invention provides an alkali-free fluorine-free liquid accelerator and a preparation method thereof, the alkali-free fluorine-free liquid accelerator comprises the following components: soluble aluminum salt, a dispersant, a pH regulator, an early strength agent, polymeric alcohol amine and water, and the polymeric alcohol amine is obtained by polymerization reaction of an acrylate monomer, a polyamine monomer and an alkyl ethylene oxide monomer. According to the accelerator, the complexing ability to aluminum ions is improved by introducing polymeric alcohol amine, so that the solubility and the stability of the aluminum ions are improved, meanwhile, the solubility of amide groups can be improved by hydrophilic groups in chain segments of the polymeric alcohol amine, the setting time of concrete is shortened, and the early strength of the concrete is improved.

The invention provides a mine filling cement material capable of cementing high-content phosphate tailings as well as a preparation method and a use method thereof, relates to the technical field of mine filling materials, and solves the technical problems that the existing mine filling cement material cannot shorten the setting time and improve the setting strength of the material while reducing the bleeding rate. The high-strength concrete is prepared from the following components: 40 to 45 weight percent of slag, 7 to 10 weight percent of metakaolin, 8 to 10 weight percent of yellow phosphorus slag, 0 to 5 weight percent of phosphogypsum, 35 to 40 weight percent of cement clinker, 1 to 5 weight percent of exciting agent and 1 to 5 weight percent of mineral admixture, the mineral admixture is prepared from bentonite, sepiolite and attapulgite. According to the invention, the setting time can be effectively shortened, the bleeding rate is effectively reduced, the filling time is shortened, the underground drainage and filling cost is reduced, the pollution to the water environment of a mining area is reduced, the effective utilization of the phosphate tailings is realized, and the stacking of the phosphate tailings and the environmental pollution are reduced; the condensation speed and the strength of the filling body can be effectively improved; the comprehensive performance of the material is improved.

This invention discloses an early-strength, high-stability road grouting repair material and its preparation, belonging to the field of solid waste utilization and road grouting reinforcement technology. The raw materials of the early-strength, high-stability road grouting repair material of this invention include multi-source solid waste aggregates and a water-reducing agent; the multi-source solid waste aggregates, by mass percentage, include: 6.6 wt% fly ash, 5-15 wt% rapid-hardening sulfoaluminate cement, 64-74 wt% mineral powder, 13.4 wt% desulfurized gypsum, and 1% carbide slag. This invention constructs a quaternary solid waste system of fly ash-desulfurized gypsum-mineral powder-carbide slag, synergistically forming a slurry composite system with rapid-hardening sulfoaluminate cement and a water-reducing agent, and precisely controls the concentration of raw materials. During hydration, this system can generate supporting crystals, which not only provide high early-stage stone strength for the road grouting material, but also, due to its good stability, ensure high stone strength stability in the later stages.

The utility model provides a cooling device for an investment casting casting, and belongs to the technical field of machinery. The problem that in the prior art, applicability is poor is solved. The investment casting cooling device comprises a bottom plate, a top plate, a screw rod, a guide rod, a moving plate, a cooling fan and a placing disc, the top plate and the bottom plate are oppositely arranged up and down, the screw rod is rotationally connected between the bottom plate and the top plate, the guide rod is fixedly connected between the bottom plate and the top plate, and the screw rod and the guide rod are oppositely arranged. A main motor is connected to the top plate, the output end of the main motor is connected with the screw, one end of the movable plate is in threaded connection with the screw, the other end of the movable plate is movably connected to the guide rod in series, the cooling fan is connected to the upper portion of the top plate, and an air outlet pipe of the cooling fan penetrates through the top plate and right faces the movable plate. The bottom of the moving plate is connected with a driving assembly, the containing disc is connected with the driving assembly, and the driving assembly can drive the containing disc to rotate. The investment casting casting cooling device is high in applicability.

The utility model relates to deep hole machining device technical field discloses die casting deep hole finish machining device, including female die, male die, work piece deep hole positioning cavity, extrusion pin mechanism, drive mechanism and deep hole cooling mechanism. Adopt this structure, can move through drive mechanism and push extrusion pin mechanism, force push the metal liquid that has not solidified fills the contraction space, breaks the problem of outer layer solidification hindering make up, and the pressure makes the metal structure of work piece more dense, reduces the blowhole, loose of deep hole setting place, improves air tightness, and simultaneously is provided with deep hole cooling mechanism, and extrusion pin mechanism can quickly absorb the heat of die casting work piece deep hole wall thickness place, accelerates the solidification speed from surface layer to core, shortens the solidification time of die casting work piece deep hole position, and improves cooling uniformity, effectively avoids the problem that the shrinkage cavity leads to the problem that the rejection rate is too high.

The invention relates to the technical field of medical dressings, in particular to a medical dressing for wound care and a preparation method thereof. The medical dressing is prepared from the following raw materials in percentage by mass: 15 to 25 percent of gelatin, 1 to 5 percent of gracilaria lemaneiformis polypeptide-hydroxyapatite compound, 3 to 8 percent of modified hydroxypropyl starch, 0.1 to 0.5 percent of xanthan gum, 0.05 to 0.1 percent of polyethylene glycol and the balance of water. According to the medical dressing disclosed by the invention, components such as the gracilaria lemaneiformis polypeptide-hydroxyapatite compound, the modified hydroxypropyl starch and the like are added into a formula of the medical dressing. The gracilaria lemaneiformis polypeptide-hydroxyapatite compound can effectively shorten the blood coagulation time, so that the wound healing speed is accelerated; and the modified hydroxypropyl starch can effectively improve the long-acting antibacterial effect of the medical dressing.

The application belongs to the technical field of concrete and specifically relates to high-strength long-life marine engineering concrete and a preparation method thereof. The high-strength long-life marine engineering concrete comprises the following components in parts by weight: Portland cement 200-300 parts, fly ash 50-100 parts, mineral powder 50-80 parts, silicon powder 20-50 parts, aggregate 1500-2000 parts, stainless steel fiber 30-40 parts, synergist 5-10 parts, water reducing agent 5-10 parts, and anti-cracking agent 5-10 parts. The synergist comprises aromatic polyamide fiber 50-60%, zirconium oxide 15-30%, anionic surfactant 5-10%, and water 20-30%. The water reducing agent comprises polycarboxylic acid water reducing agent 30-55%, lignin sulfonate 20-30%, film forming agent 5-10%, and water 20-30%. The concrete has improved strength, durability and service life in the marine environment.

This invention relates to the field of vacuum forming machine technology, and proposes a negative pressure integrated vacuum forming machine and method. The machine includes a support platform, a mounting frame fixedly connected to the top of the support platform, a material feeding frame on the inner side of the mounting frame, a lifting mechanism on the inner side of the mounting frame, an infrared heater fixedly connected to the top of the inner side of the mounting frame, and a vacuum forming mechanism below the material feeding frame. The vacuum forming mechanism includes a mold, with an air cavity at the bottom of the inner side of the mold. A three-way pipe communicating with the interior of the air cavity is fixedly connected to the bottom of the mold. One end of the three-way pipe is fixedly connected to an air outlet pipe, and the other end is fixedly connected to an air inlet pipe. A dual-axis motor is fixedly installed inside the support platform. An air extraction component is provided at the outlet end of the air outlet pipe, and an air inlet component is provided at the inlet end of the air inlet pipe. This invention effectively solves the technical defects of traditional vacuum forming machines through uniform negative pressure adsorption in the air cavity, rapid cooling in the annular cavity, non-destructive positive pressure demolding, and integrated power transmission.

The utility model provides lining cloth processing and shaping equipment, which relates to the technical field of lining cloth processing and comprises a base, a box is fixedly mounted on the upper surface of the base, a first roller frame is slidably connected to the inside of the base, a feeding roller is rotatably connected to the inside of the first roller frame, and an auxiliary roller is rotatably connected to the inside of the side wall of the box. According to the device, the base, the box body, the first roller frame, the feeding roller, the auxiliary roller, the second roller frame, the collecting roller, a transmission motor, a transmission belt, a bottom hot plate, a heating rod, a pressed plate, a first motor, a first threaded rod, a sliding block, a support, a top hot plate, a mounting plate, a pressing plate, a buffer spring, an exhaust pipe, an exhaust fan, an observation window and a base plate are arranged; the two sides of the lining cloth are ironed at the same time, heat is evenly distributed on the whole lining cloth, the setting effect of the lining cloth is better through the setting assembly after ironing, and therefore the setting efficiency is improved, and the setting time of the lining cloth is shortened.

The utility model discloses a kind of anti-blocking vacuum cream packaging bottles, including packaging bottle body, sealing screw cap, pressing head and hose, the sealing screw cap is threadedly installed at the top of packaging bottle body, the pressing head is movably installed at the top of sealing screw cap, the hose is fixedly connected at the bottom of sealing screw cap, the outside of pressing head is fixedly connected with extrusion pipe.This anti-blocking vacuum cream packaging bottle, under non-use state, sealing gasket in the inside of baffle is against extrusion nozzle front side closed discharge port, reduce the cream in discharge port and outside air contact, avoid moisture loss, delay cream solidification time, when using, press and push baffle upwards, baffle drives the rotary rod of both sides to rotate around the outside of connecting column, make baffle and sealing gasket go up, open discharge port, make cream extrude and use from discharge port, to delay the solidification time of cream, improve the operation convenience, extrusion nozzle can be rotated from the outside of extrusion pipe, facilitate cleaning when blocking.

The utility model discloses a concrete stirrer for a concrete production line, which relates to the field of concrete and comprises a first shell, a second shell is arranged above the first shell, a toothed plate is rotatably mounted on the lower surface of the second shell, and the toothed plate is rotatably mounted in the middle of the upper surface of the first shell. A central column is arranged in the first shell, a top plate is fixedly mounted at the top end of the central column, the bottom end of the central column is rotationally clamped in the middle of the bottom surface of the first shell, and the top plate is rotationally mounted in the middle of the top end of the first shell. After the materials are fully mixed, the materials are conveyed into the first shell, wet mixing is completed in the first shell, then the materials are discharged from the discharging port, dry and wet separation is achieved, the materials are fully mixed firstly, and then water is added, so that the stirring uniformity can be improved, and the situation that the large aggregates are non-uniformly mixed is prevented.

The invention relates to the technical field of magnesium phosphate cement materials, and particularly discloses a magnesium potassium phosphate cement-based material with high compactness and high salt corrosion resistance and application of the magnesium potassium phosphate cement-based material. The magnesium potassium phosphate cement-based material is prepared from the following components in parts by weight: 30 to 40 parts of dead burned magnesium oxide, 15 to 20 parts of monopotassium phosphate, 3 to 5 parts of retarder, 0.01 to 0.03 part of crystalline phosphate, 30 to 40 parts of fine aggregate and 8 to 13 parts of mixing water. Wherein the molecular formula of the crystalline phosphate is KNaMg2 (PO4) 2.14 H2O. By introducing the crystalline phosphate in a special structural form, the hydration evolution path and the microstructure of the magnesium potassium phosphate cement-based material in a salt erosion environment are effectively improved, and the salt erosion resistance is remarkably improved.

The application discloses a shotcrete rebound-reducing agent and a preparation method thereof. The shotcrete rebound-reducing agent is prepared from the following raw materials in mass percentage: 15-30% of a quick-setting component, 2-5% of a viscosity-increasing component, 10-15% of a reinforcing component, 2-5% of an anti-freezing component, 1-4% of a stabilizer, and the rest of water; and the viscosity-increasing component is a combination of polyvinylpyrrolidone and modified carboxymethyl cellulose. The prepared shotcrete rebound-reducing agent has the advantages of good sprayability, high hourly strength, good anti-freezing and stability, and the like, can improve the working performance of shotcrete, reduce the content of a quick-setting agent and significantly reduce the rebound rate of shotcrete, and has good economic benefits.

The present invention relates to a die-casting mold and production process of a bimetallic composite hammer head for a hammer crusher, belonging to the field of metal die-casting technology, wherein a replaceable core is installed inside the mold sleeve, a core is installed inside the mold core, and the core and the mold core are combined to form a casting mold cavity, firstly, a mold release agent is sprayed on the surface of the mold core and preheated, the mold core after preheating and expansion is loaded into the mold sleeve, 35# steel melt and high chromium cast iron melt are poured into the mold cavity, the filling speed is controlled until the excess high chromium cast iron melt flows out of the overflow tank, the casting is stopped, and then the hydraulic press is quickly operated to control the upper mold mechanism to press down, and the pressure is maintained for a period of time when the pressure reaches the lowest point, the hydraulic press is operated to lift the upper mold mechanism, the ejector rod ejects the core, and the hammer head after the liquid forging operation is completed is taken out, and the hammer head is placed in a resistance furnace for heat treatment. The internal grain structure of the bimetallic composite hammer head prepared by the present invention is more refined, the carbide distribution is more uniform, the bimetallic interface bonding strength is higher, and the service life is greatly increased.

The shield engineering system comprises a first continuous conveying system, a second continuous conveying system, a second material processing system, a third continuous conveying system and an injection auxiliary system. The first material on the carrier is moved from outside the tunnel to inside the tunnel by the traction rope of the first continuous conveying system. The second material in a fluid state on the belt is moved from inside the tunnel to the pool outside the tunnel by the second continuous conveying system. The second material processing system is used for separating solid material and liquid material in the second material. The third continuous conveying system is used for continuously conveying or uninterruptedly conveying the second material in the pool to the second material processing system. The injection auxiliary system is used for injecting the third material in a fluid state into the surrounding rock and the segment gap of the tunnel. In the shield engineering system, the construction period of the shield construction in the tunnel is greatly shortened, the efficiency of the shield construction in the tunnel is improved, and the cost of the shield construction in the tunnel is reduced.

The invention discloses a difunctional gypsum admixture as well as a preparation method and application thereof, and belongs to the technical field of building material admixtures. According to the invention, vegetable tannin is coated on the surfaces of metal oxide nanoparticles, and another metal ion is coordinated on a tannic acid coating layer to assemble core-shell structure nanoparticles, so that the difunctional gypsum admixture is obtained. The difunctional gypsum admixture provided by the invention can delay the gypsum coagulation time and increase the plasticity time of gypsum slurry, after the admixture accounting for 10-50% of the mass of gypsum is introduced, the initial setting time of the gypsum is prolonged to 20-70 min, meanwhile, the assembly of the core-shell structure gives full play to the synergistic effect of the two high Z elements, efficient shielding of the gypsum to X rays is realized, and the strength of the gypsum is improved. Meanwhile, the problem that metal oxide nanoparticles are difficult to uniformly and stably load on gypsum crystals is solved.

A kind of low vacuum laser welding method for GH4169 high-temperature alloy and SS304 stainless steel, the present application belongs to laser welding technical field.The present application solves the problem that the existing welding method cannot realize the low-cost and high-quality connection of medium thickness and above GH4169 alloy and SS304 stainless steel.One, welding assembly;Two, low vacuum laser welding;Three, heat treatment.The present application is used for the low vacuum laser welding of GH4169 high-temperature alloy and SS304 stainless steel.

The utility model discloses an integrated straightening comb, including control portion, with control portion electricity connection's straightening portion, the power connection portion of providing power supply to control portion and assembly control portion, straightening portion and shell, straightening portion is provided with first comb row, second comb row, heating portion and refrigeration fan, and second comb row assembly is in first comb row, and first comb row is provided with a plurality of first comb teeth, and second comb row is provided with a plurality of second comb teeth and second comb row, and second comb tooth is perpendicular to connect with second comb tooth, heating portion is controlled by control portion, is used to first comb row heating, and refrigeration fan is controlled by control portion, is used to second comb row cooling, compared with depending on natural cooling or external blow, the coupling structure of the application significantly shortens straightening setting time and improves consistency.

The invention relates to the field of concrete preparation, in particular to concrete containing sandy slate aggregate and a preparation method of the concrete. The sandy slate aggregate is prepared from the following components in parts by weight: 75 to 100 parts of ordinary Portland cement, 20 to 40 parts of fly ash, 1280 to 1380 parts of sandy slate low-strength aggregate, 300 to 500 parts of medium-strength aggregate, 0.5 to 1.0 part of carboxymethyl hydroxyethyl cellulose, 5 to 10 parts of fine ground gypsum powder, 0.8 to 1.2 parts of polycarboxylate superplasticizer, 0.1 to 0.2 part of air entraining agent and 70 to 110 parts of water. Wherein the granularity index B1 of the sandy slate low-strength aggregate is controlled to be 2.5-2.8, and the shape index S1 of the sandy slate low-strength aggregate is larger than or equal to 0.70. According to the invention, the void ratio is reduced by optimizing the aggregate gradation and the grain shape, and the water consumption and the cementing material consumption are obviously reduced on the premise of ensuring the workability and the strength.

The invention belongs to the technical field of accelerators, and particularly relates to a low-corrosivity nontoxic sulfur-free alkali-free accelerator and a preparation method thereof. The low-corrosivity non-toxic sulfur-free alkali-free accelerator comprises the following raw materials in parts by weight: 20-30 parts of nano aluminum sol; 15 to 20 parts of silica sol; 8 to 10 parts of bentonite organic copolymer; 10 to 15 parts of aluminum salt; 6-10 parts of a composite early strength agent; 10 to 15 parts of water; the alkali-free accelerator provided by the invention does not contain sulfate radicals, is non-toxic and low in corrosivity, and ensures the safety of storage and use; by adding the bentonite organic copolymer, the stability of the alkali-free accelerator is improved; when the concrete admixture is applied to concrete, the setting time can be effectively shortened, and the early strength and durability of concrete are improved.

The application relates to a full-solid-waste high-activity composite admixture and a preparation method thereof, raw materials of the full-solid-waste high-activity composite admixture comprising: mixed-milling micro-powder of steel slag tailings and refining slag, and slag micro-powder; wherein the content of the mixed-milling micro-powder is 20-30 parts by weight, and the content of the slag micro-powder is 70-80 parts by weight. Through the synergistic effect of the raw material re-mixing, the activity of the admixture is improved, the stability of the chemical performance index of the admixture is ensured, the use proportion of the admixture in cement and mortar is improved, the consumption of cement is saved, and then the cost is reduced. The metallurgical industrial solid waste such as steel slag tailings, refining slag, blast furnace slag and the like is realized to be resourcefully utilized, and the problem that long-term stacking occupies land and cannot be absorbed is solved.

This invention discloses a phosphorus slag-based cementitious material, its preparation method, and its application, specifically relating to the field of cementitious materials technology. The cementitious material, by weight, comprises the following components: 60-90 parts phosphorus slag powder; 5-25 parts fly ash; 5-15 parts activator; 0.25-1.5 parts early-strength agent; and 0.2-0.5 parts water-reducing agent; wherein the specific surface area of ​​the phosphorus slag powder is 400-550 m². 2 / kg, particle size (D) 90 The particle size is 20-40 μm; the early-strength agent is selected from at least one of iron salts and aluminum salts. This invention uses phosphorus slag micro-powder with a specific specific surface area as the main substrate, with a high dosage, combined with fly ash, activator, early-strength agent, and water-reducing agent to obtain phosphorus slag-based cementitious materials. By optimizing the physical properties of the phosphorus slag micro-powder and constructing a suitable composite activator-early-strength system, the 28-day compressive strength of the cementitious material reaches over 61.0 MPa, achieving a balance between "high phosphorus slag content" and "high strength".

The invention discloses a bridge expansion joint low-carbon quick-hardening early-strength repairing material and a construction method thereof, and belongs to the technical field of engineering construction. The low-carbon quick-hardening early-strength repairing material for the bridge expansion joint is prepared from the following raw materials in parts by weight: sulphoaluminate cement, Portland cement, calcined shell powder, fly ash and silica fume. Reinforced modified fibers, modified shell powder and a water reducing agent. By treating the shell powder and the reinforced fibers, the setting time and the initial strength maturation period of the concrete can be shortened, so that the construction speed and efficiency are improved, the repairing and reinforcing process of the bridge expansion joint is accelerated, the construction period is shortened, and the engineering cost is reduced. The low-carbon quick-hardening early-strength repairing material for the bridge expansion joint can improve the strength and durability of a repairing layer and effectively guarantee safe operation of a bridge, and meanwhile, quick-hardening construction can shorten the traffic interruption time and guarantee quick and normal traffic of a road.

The present invention discloses a device for the coordinated granulation of sintering dust ash and molten steel slag, comprising a tundish, the side wall of which is connected to a combined long flow nozzle; the combined long flow nozzle is connected to a closed granulation bin, and a supersonic wind quenching nozzle is arranged below the combined long flow nozzle; a powder storage box is arranged at the upper left of the closed granulation bin, and a telescopic rotating powder spray gun is arranged at the outlet of the powder storage box; the right side of the closed granulation bin is connected to an exhaust dust removal fan, and a slag particle collection device is arranged at the lower part of the inner cavity of the closed granulation bin; an air inlet is arranged on the left side wall of the closed granulation bin, and a slag outlet is arranged at the lower part of the right side wall of the closed granulation bin. The method for using the device comprises the steps of opening the air inlet and the exhaust dust removal fan, opening the combined long flow nozzle and the supersonic wind quenching nozzle, opening the telescopic rotating powder spray gun, and discharging slag. The present invention realizes the coordinated treatment of two solid wastes, dust ash and steel slag, and improves the comprehensive economic efficiency of the waste heat recovery system. The method is simple and convenient.

The application discloses a kind of high-performance cement clinker based on lithium residue ion doping and crystal form regulation and its preparation method and application, belong to cement building material technical field.The raw material of the cement clinker includes the following mass percentage fraction: lithium residue 20~40%, calcium carbonate 50~70%, dihydrate gypsum 10~20% and di-aluminum oxide 2~6%;The minerals in the cement clinker include: C4A3:20%~35%, C2:50%~65%, C:5%~15%, the remainder is inevitable impurities by mass percentage.After the above raw materials are slurried with water, pressure forming is carried out, two-stage heating is sequentially carried out once sintering, and then quenching is carried out, and the cement clinker is obtained.The cement obtained from the cement clinker has excellent fast-setting and fast-hardening properties, and the compressive strength can reach more than 25MPa at 6h, and the compressive strength at 1d can reach more than 40MPa, which fundamentally solves the technical problems of poor early hydration performance, low strength and reverse shrinkage of high belite sulphoaluminate cement in the prior art.