15 results about "Powder suspension" patented technology

The present application relates to a kind of multi-burner blast furnace slag powder suspension calcining system, including suspension calciner, cyclone separator and grading tank, combustion-supporting gas passes into the lower end of grading tank and the lower end of suspension calciner by shunt box, slag powder is injected from the upper end of grading tank, the upper end of suspension calciner is communicated with cyclone separator inlet, multiple burners arranged in upper and lower and multiple feeders arranged in upper and lower are equipped in suspension calciner, feeder includes feed box and the feed pipe that is communicated feed box and grading tank, the lower end of the feed box is opened with feed opening, the present application realizes grading and burns, more beneficial to material dispersion, uniform distribution and furnace temperature control, increase the mixing of material and fuel, improve the fuel burn rate, reduce the heat consumption of system.Quantitative adjustment can be carried out according to overall operation and each index, fine control, provide the possibility for large space low nitrogen calcination, effectively reduce the content of NOx in export exhaust gas, reduce the generation of harmful substances, realize ultra-low emission, save cost.

This invention relates to the field of grinding media conveying technology, and in particular to an automatic conveying device and method for quartz grinding powder suspension with self-cleaning function. The device includes a housing, with a fixed plate fixedly connected to the upper part of the housing. A stirring tank and a water storage tank are fixedly connected inside the fixed plate, each stirring tank containing a stirring mechanism. A power mechanism is located at the upper part of the fixed plate. A water distribution mechanism is located at the lower part of the water storage tank. An electric multi-way directional valve is fixedly connected to the bottom of the housing, with a material delivery pipe and a water delivery pipe fixedly connected to the circumferential interface of the electric multi-way directional valve. A first liquid inlet pipe is fixedly connected to the lower interface of the electric multi-way directional valve. This invention, by incorporating a water distribution mechanism, a power mechanism, and a stirring mechanism, replaces traditional manual batching and stirring methods in the preparation of quartz grinding powder suspension, not only reducing labor intensity but also significantly improving the efficiency of suspension preparation.

A wastewater tank feeding device includes a hopper and a feeding assembly. The hopper has a discharge port. The feeding assembly includes a telescopic tube, a telescopic mechanism, and a feeding cover. Both ends of the telescopic tube are connected to the discharge port and the feeding cover, respectively. Both ends of the telescopic mechanism are connected to both ends of the telescopic tube, driving the telescopic tube to extend and retract, so that the feeding cover has at least a feeding state close to the wastewater surface and a non-feeding state away from the wastewater surface. This invention, through the telescopic mechanism on the feeding assembly, adjusts the length of the telescopic tube, allowing the feeding cover to be close to the wastewater surface, avoiding excessively long powder suspension control time, reducing the impact of wind, improving the stability of powder feeding, and reducing powder loss.

Presented herein are techniques for surface-finishing (e.g., smoothing / polishing) of the interior surface of device channels with a polishing liquid-powder suspension. The polishing liquid-powder suspension is apportioned, and a flow of fluid is applied to an apportioned amount of the polishing liquid-powder suspension to push the apportioned amount of the polishing liquid-powder suspension through a device channel to surface-finish an interior surface.

The application belongs to the technical field of stirring equipment, especially a diamond micro-powder suspension stirring device and application in bearing manufacturing, aiming at the problem that the existing diamond micro-powder suspension stirring device cannot effectively deal with the problem that the diamond micro-powder is prone to form groups and float on the liquid surface during stirring, the following scheme is proposed, including a tank body, the tank body is fixedly connected with two symmetrical supports outside, the upper side of the tank body is fixedly connected with a top cover, a circular hole is formed in the top cover, a circular opening is formed in the bottom of the tank body, a discharge pipe is fixedly connected in the circular opening, an electronic valve is arranged on the discharge pipe, the diamond micro-powder which forms groups and floats on the liquid surface can be effectively stirred and broken, so that the diamond micro-powder can be stably dispersed in the liquid, the flocculation effect of the stirred diamond micro-powder suspension is ensured, and the finished product quality of the suspension is improved.

The invention provides a method and device for improving the output of a coal mill, and the method comprises the steps: constructing a parameterized model containing a grinding roller-lining plate gap and coal particle distribution, determining a difference value between the grinding roller-lining plate gap and a set gap, and correspondingly adjusting the positions of a grinding roller and a lining plate; determining a collaborative optimization relationship between the feeding speed and the grinding disc rotating speed, establishing an ideal nonlinear constraint between the feeding speed and the grinding disc rotating speed, and determining an ideal grinding disc rotating speed or an ideal feeding speed; a ventilation optimization model is constructed, the ventilation volume is corrected based on the air field information, quantitative correlation between the ventilation volume and the pulverized coal suspension speed is established, and the opening degree of an air door is correspondingly adjusted; a PID controller is adopted to control mill parameters; building a digital twin architecture, and updating the model parameters of the steps in real time; according to the method, the internal structure and operation parameters of the coal mill are accurately adjusted through the parameterized model construction and multi-physics field coupling calculation technology, the grinding roller-lining plate gap, the feeding speed and the grinding disc rotating speed are optimized, the air volume is accurately regulated and controlled, and the output and operation efficiency of the coal mill is effectively improved.

The utility model discloses a copper powder suspension liquid centrifugal solid -liquid separation device for copper powder preparation, including the separation jar body, the inside of separation jar body is equipped with suspension separation drum, the outer surface fixed inlay of suspension separation drum has separation filter screen cover, the bottom surface fixed communication of suspension separation drum has the discharge pipe, the bottom surface fixed inlay of separation jar body has the sealed bearing. The device through setting's high pressure jet cleaning component and the flush cleaning component, can utilize high pressure water pump work to extract the cleaning water liquid, through the high pressure of flush cleaning mouth and spouts, can realize the reverse flush cleaning of suspension separation drum, and utilize high pressure jet pump work to make high pressure gas through jet cleaning mouth high -speed spout, realize the jet cleaning of suspension separation drum, and the cleaning effect of suspension separation drum is effectively increased in the double cleaning mode, avoids the separation filter screen cover and appears the blockage, and the effective use of the separation device is convenient.

The invention relates to the technical field of suspension calcination, in particular to a slag powder suspension calcination production process which comprises an air preheating system, a calcination system, a finished product cooling system and a tail gas treatment system, and the air preheating system comprises a first-stage preheating cyclone separator, a second-stage preheating cyclone separator and a third-stage preheating cyclone separator which are sequentially arranged from top to bottom; the roasting system comprises a gaseous suspension roaster. When the device is used, multi-stage preheating is achieved, thorough preheating can be guaranteed, meanwhile, preheated slag powder enters the rotating disc through the bent pipe, the rotating disc is driven by the rotating motor to rotate, when the rotating disc rotates, the side plates are driven to rotate, and then the slag powder on the rotating disc is driven to be scattered and scattered into the gaseous suspension roaster at the section; the accumulation of the gaseous suspension roaster is avoided, and the heating is more uniform.

The utility model discloses a biomass powder suspension combustion device which is composed of an ignition mechanism, a combustion mechanism, a feeding mechanism and an air supply mechanism, a discharging port of the feeding mechanism is communicated with a feeding port of the combustion mechanism, the ignition mechanism is arranged at the bottom of the combustion mechanism, and an air supply port of the air supply mechanism is respectively communicated with an air inlet of the combustion mechanism and an air inlet of the ignition mechanism. The ignition mechanism consists of an ignition hearth, an air chamber and an ignition furnace air supply pipe; the combustion mechanism is composed of a combustion cylinder, a shell, a jacket air supply pipe inlet and a rear end wall ring air box. The feeding mechanism consists of a hopper and a spraying nozzle; the air supply mechanism comprises a main air bellow, an air outlet of the main air bellow is communicated with the other end of the rear end wall ring air bellow air supply pipe, the other end of the ignition furnace air supply pipe and the other end of the jacket air supply pipe, and an air inlet of the main air bellow is communicated with an air outlet of an air blower. The biomass feeding device has the advantages that biomass feeding is even, stacking burning is not prone to being caused, burning is sufficient, and burning efficiency is high; 2, smoke pollution cannot be caused;

The invention belongs to the technical field of suspension conveying, and particularly relates to a suspension conveying system and a large-batch powder intelligent suspension delivery process, the suspension conveying system comprises a conveying structure, the conveying structure comprises a track, and a plurality of moving assemblies are slidably mounted on the track; the multiple hanging structures are all located on the conveying structure, each hanging structure comprises a moving frame fixedly connected to the moving assembly, a lifting frame and a lifting plate are installed on the moving frame in a sliding mode, a plurality of lifting hooks are installed on the lifting frame, a plurality of rotating arms are rotationally connected to the moving frame, and the rotating arms are fixedly connected to the moving assembly. The upper end of the rotating arm and the lifting frame are installed together in a sliding mode. Through the lifting frame and the rotating arm, the ton bags can be limited, the conveying stability of the ton bags is conveniently improved, the ton bags are driven to move up and down and flapped, and the discharging efficiency of powder in the ton bags is conveniently improved.

The present invention discloses a method for preparing a carbide-reinforced copper-tungsten alloy material, comprising: pre-treating tungsten powder with a silane coupling agent to obtain a tungsten powder suspension with a positive surface charge; filtering and washing the tungsten powder to obtain a tungsten powder suspension with a positive surface charge; pre-treating carbide with an anionic surfactant to obtain a carbide suspension with a negative surface charge; dispersing the tungsten powder with a positive surface charge in deionized water to obtain a tungsten powder suspension; slowly adding the carbide suspension with a negative surface charge to the tungsten powder suspension, and after the reaction is complete, obtaining a composite powder with carbides uniformly distributed on the surface of the tungsten powder; coating the composite powder with pure copper skin, and continuously reducing and drawing the composite powder using a flux-cored wire manufacturing process to obtain a carbide-reinforced copper-tungsten alloy wire; and performing arc additive manufacturing on the wire using arc additive manufacturing equipment to obtain a carbide-reinforced copper-tungsten alloy material. The carbide increases the interfacial bonding strength of the copper-tungsten alloy, improving its hardness, wear resistance, and high-temperature wear resistance.

The present application relates to the technical field of suspension calcination, in particular to a slag powder suspension calcination production process, a wind preheating system, a roasting system, a finished product cooling system and a tail gas treatment system, the cyclone preheating system comprises a first-stage preheating cyclone separator, a second-stage preheating cyclone separator and a third-stage preheating cyclone separator which are sequentially arranged from top to bottom; the roasting system comprises a gaseous suspension roasting furnace. In use, the present application realizes multi-stage preheating, can ensure complete preheating, and the preheated slag powder enters the rotary disc through the elbow, the rotary disc rotates under the driving of the rotary motor, the side plate rotates when the rotary disc rotates, and the slag powder on the rotary disc is scattered and scattered into the gaseous suspension roasting furnace at the cross section, thereby avoiding accumulation in the gaseous suspension roasting furnace and ensuring more uniform heating.

The blast furnace slag powder suspension calcining system comprises a suspension calcining furnace, a cyclone separator and a grading tank, combustion-supporting gas enters the lower end of the grading tank and the lower end of the suspension calcining furnace through a flow dividing box, slag powder is injected from the upper end of the grading tank, and the upper end of the suspension calcining furnace is communicated with a feeding port of the cyclone separator; a plurality of combustors arranged up and down and a plurality of feeders arranged up and down are arranged in the suspension calcining furnace, each feeder comprises a feeding box and a feeding pipe communicated with the feeding box and the grading tank, and a feeding opening is formed in the lower end of each feeding box. Mixing of materials and fuel is increased, the burnout rate of the fuel is increased, and heat consumption of the system is reduced. Quantitative adjustment and fine control can be conducted according to the overall operation condition and all indexes, large-space low-nitrogen calcination is made possible, the content of NOx in outlet waste gas is effectively reduced, generation of harmful substances is reduced, ultralow emission is achieved, and cost is saved.

This invention discloses a preparation device and dust removal system for magnetite powder suspension, belonging to the field of coal dust removal technology, to solve the problems of complex structure and sedimentation of magnetite powder suspension during transportation and filtration in existing technologies. The preparation device includes a mixing tank, a stirring impeller, a water inlet pipe, a mineral powder feeding port, and a liquid supply pipe. The stirring impeller is placed in the mixing tank and located at the bottom. The water inlet pipe is internally connected to the lower part of the mixing tank, with the water inlet direction tangential to the mixing tank. The mineral powder feeding port is located at the top of the mixing tank, and the liquid supply pipe penetrates the top of the mixing tank and extends below the liquid surface. This invention can be used for coal dust removal.

The utility model relates to a powder suspension dispersing device which comprises a dispersing groove, a liquid inlet pipe, a liquid outlet pipe and a liquid distributing pipe, a plurality of circular ring grooves are evenly formed in the liquid distributing pipe in the length direction, a center shaft of the liquid distributing pipe perpendicularly penetrates through the circle centers of the circular ring grooves, a rotating sleeve is arranged at the circle center of each circular ring groove, and the section of each rotating sleeve is in a circular ring shape. Stirring rods are uniformly arranged on the outer wall of the rotating sleeve along the circumference, the outer ends of the stirring rods are in sliding connection with the annular groove, a cylindrical translation rod is arranged at the position of a middle shaft in the liquid distribution pipe and penetrates through the rotating sleeve, a notch groove spirally advancing in the length direction of the translation rod is formed in the outer wall of the translation rod, and a sliding block in sliding connection with the notch groove is arranged on the inner wall of the rotating sleeve; a translation assembly connected with the end, close to the liquid outlet pipe, of the translation rod is arranged at the liquid outlet pipe, and a guide assembly slidably connected with the translation rod is arranged at the liquid inlet pipe. The suspension liquid dispersing device has the advantage of good suspension liquid dispersing effect.