34results about How to "Excellent tempering performance" patented technology

A device for improving the uniformity and dispersibility of grain products and a method for producing grain products thereof mainly solve the problems of cumbersome procedures, poor mixing uniformity and dispersibility, and the like. The plant consists of two modules, crushing and tempering, within a frame, and an external separation unit. The crushing module is connected to the inlet corresponding to the top of the quenching and tempering module, and there are electronic control valves and flow meters on the pipeline. The bottom of the conditioning module is impeller blade with air inlet, the top has steam and / or water inlet, atomizer and distributor, and the external separation device is connected to the top of the conditioning module. The production method is to crush the material first and then classify it, and then feed the material to the conditioning module, start the wave wheel, blow in air, and inject steam or water mist to form an up-and-down cycle of high-efficiency conditioning. The equipment and method effectively improve the uniformity and dispersion of grain products in the pretreatment process.

The invention relates to the technical field of oily sludge treatment, and relates to a conditioning system for oily sludge, which includes a main body provided with a conditioning chamber and a conditioning device. The tempering device includes two tempering blades located in the main body tempering chamber and turning in opposite directions. The tempering blades include two tempering parts arranged symmetrically in the center. The stirring parts of the two tempering parts are connected to each other and the shaft parts are coaxially arranged; the viscosity detection device is installed in the quenching and tempering chamber, and the water inlet device is installed on the main body, and the viscosity detection device controls the start and stop of the water inlet device . When conditioning, oily sludge and conditioner are added to the conditioning chamber, and the two conditioning blades rotate to fully condition the sludge. The invention realizes tempering by arranging a plurality of tempering blades to rotate in different directions, so that the tempering is more sufficient, the tempering effect is better, the depth reduction of oil sludge conditioning is realized, and the oil sludge after conditioning can be more easily realized. repurposing and utilization.

The invention relates to a production method used for meeting the requirement on mineral wool production with a short process. The production method comprises the following steps of: (1) directly loading blast furnace hot slag into an electromagnetic induction smelting furnace or transferring the blast furnace hot slag into a hot slag ladle trolley and then loading into the electromagnetic induction smelting furnace, wherein the temperature of the hot slag is 1,400-1,500 DEG C and can be reduced to 1,100-1,200 DEG C after the hot slag is loaded into the smelting tempered hot slag smelting furnace; (2) rising the temperature of electromagnetic induction passing through the electromagnetic induction smelting furnace to 1,450-1,550 DEG C; and (3) adding quartz stones which are 10-20 percent of the weight of the blast furnace hot slag to 80-90 percent of the blast furnace hot slag to temper and rise the temperature to 1,450-1,550 DEG C so as to convert blast furnace slag wool into high-quality mineral wool, wherein the electromagnetic induction smelting furnace comprises a furnace nozzle, a tilting oil cylinder, an induction coil, a furnace shell and a furnace frame. The production method has the advantages that the problem of difficult hot blast furnace hot slag temperature rising and tempering is solved, and the heat efficiency of the smelt furnace and the flexibility of short process production are improved; the consumption is reduced by more than 40 percent, and the cost is reduced by 15 percent; and the electromagnetic induction smelting furnace has the characteristics of energy saving, cost reduction, short process, high quality, high efficiency and the like.

The invention relates to the field of coal slurry pre-treatment, and in particular relates to a jet-driven medicament disperse system and pulp mixing modification equipment applying the same. The jet-driven medicament disperse system comprises a jet spray nozzle and a liquid flow pipe, wherein the jet spray nozzle comprises an outer pipe body, the outer pipe body is internally and coaxially provided with a rotating shaft in a sleeving manner, and a driving impeller and a driven impeller are coaxially arranged on the rotating shaft; the liquid discharging direction of a pass pipeline, connected with the outer pipe body, of the liquid flow pipe is located in the tangential direction of the driving impeller, and a pipe chamber of the pass pipeline is provided with a pipeline mixer for preliminarily mixing ore pulp and a medicament. The system can effectively realize the uniform mixing feeding requirements of the medicament and the ore pulp in a controllable manner. The pulp mixing modification equipment comprises a mixing box and a graded mixing system, the top of the mixing box is provided with a medicament atomization dispersing system and the bottom is provided with the jet spray nozzle, a liquid outlet of the mixing box is arranged in a way different from the mounting position of the outer pipe body. The equipment is especially suitable for the pulp mixing modification requirement of fine-particle coal difficult to float, the working efficiency of the equipment is high and the pre-treatment process is quick and convenient.

The invention discloses a sludge conditioning system. The sludge conditioning system comprises a preprocessing pipeline which comprises one or more preprocessing pipeline units and a high-voltage electric field generating device, wherein the high-voltage electric field generating device comprises electrode bars coaxial with the preprocessing pipeline units, high-voltage generating modules for forming high-voltage variable electric fields in the preprocessing pipeline units, and voltage control modules, the first ends of the voltage control modules are connected with the high-voltage generating modules, the second ends of the voltage control modules are connected with the electrode bars and the voltage control modules are used for controlling the frequency and the amplitude of high voltage generated by the high-voltage generating modules; the sludge conditioning system further comprises blockage preventing pipelines; the blockage preventing pipelines and the preprocessing pipelines form bridge pipelines together, so that the preprocessing pipelines can flow in the positive direction and the negative position to effectively reduce the sludge blockage. The invention further discloses a sludge conditioning method using the sludge conditioning system. The sludge conditioning system disclosed by the invention is used for sludge conditioning, so that the pipelines are difficult to block, and the wall-broken rate is high.

The invention provides a left wheel popup box type porous pull-down plug graphite water gap device of an electromagnetic slag smelter. The left wheel popup box type porous pull-down plug graphite water gap device of the electromagnetic slag smelter structurally comprises a moving arm, a plug shifting arm, a plug shifting air cylinder, a pin shaft, a fixed frame, a rotating shaft, a plug pushing air cylinder, a graphite water gap, a graphite plug and a porous cone. The left wheel popup box type porous pull-down plug graphite water gap device of the electromagnetic slag smelter has the advantages of achieving the effects that the blocking of high temperature slag in base flow of an electromagnetic induction slag smelter is relieved when the flow is open, and the flow is controlled at a constant temperature. Besides, the technological requirements of rock wool production are met, and a bottleneck is broken for the production of high quality rock wool. The designed bottom leakage deslagging water gap ensures flow accuracy, can be opened and closed at will, and does not waste melts. The energy consumption is low, thermal efficiency is high, the amount of waste residue is small, the fiber forming rate is high, and the cost advantage is obvious. The electromagnetic slag smelter is not only excellent in temperature rise and regulation performance, heat preservation performance and hardening and tempering performance, but also high in storage capacity, thereby laying a good foundation for scale production. The left wheel popup box type porous pull-down plug graphite water gap device has the advantages of being controllable in high temperature liquid state slag flow, smooth, free of blocking, safe, reliable, convenient to use and efficient.

The invention relates to the field of coal slurry pretreatment, in particular to an integrated refractory fine coal slurry adjustment equipment. The equipment includes a mixing box; the drive shaft is arranged vertically in the inner cavity of the mixing box, and the electric field activation layer, ultrasonic vibration layer and forced stirring layer are arranged in the inner cavity of the mixing box from top to bottom along the length direction of the drive shaft; The air box and the pressurized dissolved air box are arranged with an air inlet pipe for feeding high-pressure air, and the inlet end of the box body used to communicate with the outlet of the mixing box is arranged with a feed compartment for realizing the opening and closing of the inlet end. The feed partition is fastened with a tension spring and leans against the inlet end to close the inlet end; the outlet end of the box is connected to the flotation machine, and the outlet end is arranged to realize the opening and closing of the outlet. Partition, the discharge partition is tensioned by a compression spring and closes the outlet end. The invention can play a very good conditioning effect on the floating coal slime, and is especially suitable for the pulping and upgrading requirements of the difficult-to-float fine-grained coal, and has high working efficiency and quick and convenient pretreatment process.

The invention relates to the field of coal slurry pretreatment, in particular to equipment of deeply slurry mixing and modifying of coal slime for slurry mixing and modifying of high-ash fine coal slime difficult to float. The equipment comprises a mixing box; agentia dispersion tanks are arranged at the top of a chamber of the mixing box, and an annular dispersion unit and an annular ore pulp feed chutes are arranged at the outside of the agentia dispersion tanks in sequence; a fallplate with a dip angle is arranged below a discharge port of the annular dispersion unit; vane wheels are arranged below the fallplate with the dip angle, and stator walls encircle the vane wheels; a liquid outlet of the mixing box is formed in bottom end surface of the mixing box; double row side-by-side nozzles with dispersed jet flows for providing agentia mixed liquor to the agentia dispersion tanks are arranged at the top end surface of the mixing box; two agentia dispersion tanks are arranged in parallel along the tank direction; diffusers of each nozzle with the dispersed jet flow extents into chambers of corresponding agentia dispersion tank. The equipment can play a very good role in modifying of floated coal slime and is particularly suitable for the demand of slurry mixing and modifying of fine coal difficult to float, the work efficiency of the equipment is high and a treatment process is rapid and convenient.

The invention relates to the field of coal slurry pretreatment, in particular to deep slurry mixing and modifying equipment for fine coal hard to float, and the equipment is used for slurry mixing and modifying of high-ash fine coal slime hard to separate. The equipment comprises a mixing box, drug distributing grooves are formed in the top of a cavity of the mixing box, and an annular distributing unit and an annular ore pulp feeding grooves are sequentially arranged outside the drug distributing groove. An inclined falling plate is arranged below a discharging outlet of the annular distributing unit. A stirring impeller is arranged below the inclined falling plate, and a stator wall is arranged around the impeller. A liquid outlet of the mixing box is located at the bottom end face of the mixing box, and jetting sprayers and a liquid pipeline are arranged on the top end face of the mixing box. The two drug distributing grooves are arranged in parallel and correspond to the jetting sprayers in a one-to-one mode. Mixed liquid outlet ends of the two jetting sprayers stretch into cavities of the corresponding drug distributing grooves. The equipment has a good modifying effect on fed floating coal slime and especially meets the slurry mixing and modifying requirements of the fine coal hard to float, the work efficiency of the equipment is high, and the pretreatment process is quick and convenient.

The invention relates to an electromagnetic induction slag smelting furnace meeting the requirement on mineral wool production with a short process and a production method thereof. The electromagnetic induction slag smelting furnace has the structure that the electromagnetic induction slag smelting furnace is fixed on a trolley by using bolts, and a rotary furnace cover is fixed on an embedded steel plate on a ground foundation; an electrode lifting and rotation mixing device is fixed on the rotary furnace cover by using bolts and can be rotated along with the rotary furnace cover; and an induction heating electrode is fixed on the electrode lifting and rotation mixing device and can be rotated along with the rotary furnace cover. The production method comprises the following steps of: directly loading blast furnace hot slag into an electromagnetic induction smelting furnace or transferring the blast furnace hot slag into a hot slag ladle trolley and then loading into the electromagnetic induction smelting furnace; rising the temperature of electromagnetic induction passing through the electromagnetic induction smelting furnace to 1,450-1,550 DEG C; and adding quartz stones into the blast furnace hot slag to temper and stir to output high-quality mineral wool. The production method have the characteristic that the problem of difficult hot blast furnace hot slag temperature rising and tempering is solved, and the heat efficiency of the smelt furnace and the flexibility of short process production are improved; the consumption is reduced by more than 40 percent, and the cost is reduced by 15 percent; and the electromagnetic induction smelting furnace has the characteristics of energy saving, cost reduction, short process, high quality, high efficiency and the like.

The invention relates to the field of coal slurry pretreatment, in particular to a multi-impeller mixed flow field slurry preprocessor driven by the pressure of a slurry pipeline. The equipment includes a mixing box, a main shaft and a driven shaft; the driving gear is coaxially arranged on the main shaft, and the driven gear is arranged on the driven shaft to form a meshing relationship; the driving turbine is coaxially arranged on the main shaft; A group of stirring impellers, the driven rotating shafts are coaxial and fixed with a set of stirring wheels at the same height as each other; in the vertical direction, the projections of the stirring impellers and the stirring wheels intersect; a guide sleeve is set directly below the driving turbine; Guide vanes are arranged in a vortex shape inside the sleeve, and the rotation direction of the mixed liquid guided by the guide vanes is the same as the rotation direction of the stirring impeller directly below. This equipment can play a very good conditioning effect on the floating coal slime, especially suitable for the slurry modification and upgrading of difficult-to-float fine-grained coal. It has high working efficiency and the pretreatment process is fast and convenient.