149 results about "Continuous mixing" patented technology

The invention relates to the technical field of oil field fracturing operation, in particular to dry powder continuous mixing equipment which comprises a dry powder storage device and a dry powder mixing device. The fracturing fluid mixing device comprises an equipment chamber, the equipment chamber comprises a lifting and distributing system, the lifting and distributing system comprises a first liquid inlet pipeline, a liquid inlet pump and a first liquid feeding pipeline which are communicated in sequence, and the liquid inlet pump pumps liquid in the first liquid inlet pipeline to a dry powder mixing system located at a higher position through the first liquid feeding pipeline; the dry powder mixing system comprises a first mixer and a first separator which are detachably arranged in sequence, and negative pressure is formed in the first mixer and used for mixing dry powder and liquid to form a first mixed solution. With the adoption of the technical scheme, the mixer and the separator in the dry powder mixing system are detachably arranged, so that the fracturing fluid mixing effect can be ensured, and meanwhile, the maintenance and the transportation of equipment are more convenient.

The invention belongs to the field of mixers, and particularly relates to a static mixer, a preparation method, a water-based fire extinguishing agent continuous production device and a production process. The static mixer comprises a plurality of continuous mixing elements; each mixing element comprises three triangular blades, namely a first triangular blade, a second triangular blade and a third triangular blade, and the second triangular blade and the third triangular blade are respectively connected with two angle edges of the first triangular blade; and the second triangular blade and the third triangular blade are arranged in opposite directions. According to the static mixer designed by the technical scheme of the invention, rapid mixing among fluids is realized, continuous operation in whole-flow pipeline reaction is realized, the problems of long stirring time and non-uniform mixing in current intermittent operation are solved, the working intensity of operators can be reduced, and the production efficiency is improved.

The invention discloses a green low-carbon wood-plastic composite material continuous production system and an energy consumption management method, and relates to the field of wood-plastic composite material production. The raw material pretreatment module is integrated with a wood powder precise drying device, a plastic recycling device and an auxiliary material proportioning device, and the water content and the recycling purity are controlled; the continuous mixing and plasticizing module adopts a conical double-screw extruder, multi-section temperature control, combined screws and double-layer heat preservation; the forming and shaping module comprises a self-adaptive runner mold, a gradient cooling system and an online detection device; the waste closed-loop utilization module collects dust under negative pressure, crushes leftover materials and modifies and recovers the leftover materials; the clean energy supply module is integrated with a photovoltaic system, a biomass gasification furnace, a ground source heat pump and an energy storage system; the intelligent energy consumption management and control module collects data in real time and optimizes energy consumption through an algorithm. According to the invention, the renewable energy utilization rate and the waste utilization rate are improved, the energy consumption and carbon emission are reduced, the product quality is guaranteed, green low-carbon continuous production is realized, and the industrial sustainable development is promoted.

The utility model discloses quantitative feeding powder coating raw material proportioning equipment which comprises a rack, the upper portion of the right side of the rack is rotationally connected with a first disc, a plurality of quantitative adding devices are installed on the upper side of the first disc, and the six quantitative adding devices are distributed in a circumferential array at equal intervals. A first electric index plate is fixedly installed in the middle of the right side of the rack, the lower side of a first disc is fixedly connected to the output end of the first electric index plate, a continuous stirring and proportioning device is installed in the middle of the left side of the rack, the quantitative adding device comprises a feeding assembly and a weighing mechanism, and the feeding assembly is installed on the upper side of the first disc. By means of the mode, preheating and drying can be carried out when powder is weighed, follow-up powder mixing is facilitated, continuous weighing and mixing of different kinds of powder can be carried out, feeding of various kinds of powder can be carried out while the powder is mixed and stirred, and the continuous powder mixing and stirring efficiency is improved.

The invention discloses preparation equipment and a preparation method of porous silver powder with high sintering activity. The preparation equipment comprises a group of raw material preparation devices and a continuous mixing reaction device, the continuous mixing reaction device comprises a primary mixing cavity, the upper end of which is connected in parallel with a pump through a feeding guide pipe and is connected to the discharging end of one group of raw material preparation device; the retractable pipe fitting is connected to the lower end part of the feeding guide pipe, a liquid distribution container is hermetically and rotatably mounted on the bottom side of the retractable pipe fitting, and a plurality of corresponding liquid outlet pipes are uniformly distributed on the liquid distribution container; the upper end part of the secondary material mixing cavity is communicated and connected to the lower end part of the primary material mixing cavity through a plurality of uniformly distributed material guide pipes, and the discharge ends of the material guide pipes are respectively and movably screwed with corresponding material distribution pipes downwards through spiral grooves. According to the method, continuous preparation and processing of the silver powder can be achieved, so that oxidation liquid and reduction liquid are rapidly mixed, full reaction is achieved, and the porous silver powder with high sintering activity is obtained.

The application provides a method and application for semi-continuous production of polyurethane prepolymer, and the method comprises the following steps: 1) producing an isocyanate-terminated prepolymer at a temperature of 40-100 DEG C in the presence of a catalyst, an additive, an auxiliary substance and / or an added substance by reacting a diisocyanate with a compound having isocyanate-reactive hydrogen atoms, and the production is carried out in a reaction kettle to prepare a core prepolymer; 2) continuously producing an isocyanate-containing polyurethane prepolymer by mixing other kinds of diisocyanate or polyisocyanate with the core prepolymer in a static mixer. The method combines the traditional reaction kettle process with the continuous mixing process, can be applied to prepolymers in a wider viscosity range, and can be particularly applied to production operation switching between different raw materials. The synthesized prepolymer product has the same specifications and better performance than the batch stirring process, and the energy consumption is greatly reduced and the production efficiency is improved.

The invention relates to the technical field of electrode press operation, in particular to a continuous reciprocating type mixed feeding device and method for a titanium alloy electrode press. After the raw materials are mixed in the mixing device, the mixed raw materials are transferred into the material mixing tank, the material mixing tank continues mixing, it is guaranteed that the mixing effect of the raw materials is not changed, meanwhile, the raw materials move towards the position of the mold, and when the mixed materials move to the position above the mold, the mixed raw materials are transferred into the mold; meanwhile, the two mixing tanks are arranged and matched with the two-time feeding process of the titanium electrode, when the first mixing tank unloads materials to the mold, the second mixing tank is just transferred to the feeding position of the mixing device, and when the first mixing tank unloads the materials, the second mixing tank loads the materials, so that continuous mixing and feeding of the raw materials are achieved, and meanwhile, the production efficiency is improved. And the mixing tanks are arranged side by side and do reciprocating motion between the feeding position and the mold. The problem that the finished product quality of titanium alloy electrodes is affected due to layering in the feeding process is solved, and meanwhile automatic and continuous feeding of raw materials is achieved.

The invention discloses an intermittent and continuous two-step mixing device and method for an ardealite road base material, and relates to the field of preparation of road base materials, and the mixing device is configured to be a mixing system based on intermittent pre-mixing, intermediate buffering and two-step continuous homogenization. The mixing system comprises a metering and pre-mixing subsystem, a semi-finished product buffering and transferring subsystem, a continuous homogenization output subsystem and a finished product conveying and storing subsystem, wherein the metering and pre-mixing subsystem is used for material metering and primary mixing; the semi-finished product buffer transfer subsystem is used for temporarily storing primary semi-finished products; the continuous homogenization output subsystem is used for secondary homogenization and continuous output of primary semi-finished products; the finished product conveying and storing subsystem is a belt conveyor and is used for conveying the homogenized qualified finished products to a high position and transferring the homogenized qualified finished products into a loading bin; according to the mixing device, intermittent mixing and continuous mixing are creatively combined, so that accurate proportioning control, uniform mixing and large-scale continuous stable production of phosphogypsum materials can be synchronously realized.

The invention relates to the technical field of fiber felts, and provides a fiber felt composite material and a preparation method and application thereof.The preparation method of the fiber felt composite material comprises the following steps that fiber felts are soaked in a gel precursor solution, aging, solvent replacement and drying are conducted, and the fiber felt composite material is obtained; the preparation method of the gel precursor solution comprises the following steps: A1, mixing a silicon source, a silk fibroin solution, inorganic chopped fibers, a surfactant and a solvent to obtain a primary mixture; a2, acid liquor is added into the primary mixture for mixing, alkali liquor is added for continuous mixing, and a gel precursor solution is obtained; by means of the technical scheme, the problem that in the prior art, the fiber felt composite material is poor in strength is solved.

The utility model relates to the technical field of mixing equipment, and discloses a powder mixing device for organic fertilizer processing, which comprises a mixing box, a plurality of supports are fixedly mounted at the lower end of the mixing box, a motor is fixedly mounted at one end of the mixing box and electrically connected with an external master controller through a connecting wire, and a discharge hopper is fixedly mounted at the other end of the mixing box. An observation window is fixedly mounted on the mixing box, and a plurality of feeding hoppers are fixedly mounted on the mixing box close to the observation window. The stirring mechanism is arranged on the outer side of the rotating shaft and composed of the multiple carrying plates, the multiple first fixing bases and the multiple second fixing bases are arranged on one sides of the carrying plates, assembling can be rapidly conducted on the outer side of the rotating shaft according to needs, the connecting rods, the ejector rods and the rubber blocks are matched, the mounting stability of the multiple carrying plates can be improved, and the carrying plates are prevented from deviating on the outer side of the rotating shaft; and a plurality of stirring rods arranged on one side of the carrying plate can be used for fully mixing different materials conveyed by the stirring mechanism, so that continuous mixing and discharging are realized, and the mixing efficiency is improved.

The invention relates to the technical field of tire material preparation, in particular to a preparation process of a degradable tire material compounded by PBS and natural rubber, and raw materials comprise the following components: poly (butylene succinate), natural rubber, a plasticizer, an antioxidant and a reinforcing agent. The components and the proportion are as follows: the proportion of the poly (butylene succinate) is 80 parts, and the molecular weight is 80,000-150,000 Da; the proportion of the natural rubber is 15 parts; the plasticizer is dioctyl phthalate, and the proportion of the plasticizer is 3 parts; the antioxidant is hindered phenol, and the proportion is 1 part; the reinforcing agent is white carbon black, the proportion is 1 part, the pretreated raw materials are sequentially added into an internal mixer for mixing, then the white carbon black is added for continuous mixing to achieve primary fusion, then the mixture is transferred to an open mill for continuous mixing to eliminate agglomeration, finally, the materials are cut into blanks, the blanks are put into a preheating mold of a press vulcanizer for vulcanization, and natural cooling is conducted after pressure relief; the invention aims to solve the problems of lack of environmental protection property, prominent contradiction between performance and environmental protection and the like of the existing tire material of the existing material.

The invention relates to a full-intelligent control fracturing fluid continuous mixing device which is composed of a storage bin, an auxiliary feeding spiral rotor, a main feeding spiral rotor, a V-shaped material receiving pipe, a primary mixing material receiving conical pipe, an intelligent pneumatic control valve, a gas-driven direct-acting flashboard, a pneumatic motor, a water tank, an intelligent water inlet pneumatic control valve, a water inlet pipe, an intelligent flow monitor and an intelligent regulation and control flow stabilizer. The device comprises an intelligent pneumatic speed-regulating centrifugal pump, an intelligent control pressure instrument, a pipeline, a nozzle, a water drainage pneumatic control valve, a vortex type mixing pipe, a liquid outlet pipe, an intelligent concentration flow monitor, an outlet pneumatic control valve, an air compressor, an intelligent calculation control system and a generator. The full-intelligent control fracturing fluid continuous mixing device disclosed by the invention is a full-automatic powder fracturing fluid mixing device which is rapid and accurate in mixing, environment-friendly and low in consumption, and manual misoperation is reduced, so that the bottleneck in the prior art is solved.

The present invention discloses a preparation device and method for porous silver powder with high sintering activity. The preparation device includes: a set of raw material preparation devices and a continuous mixing and reaction device; the continuous mixing and reaction device includes: a primary mixing chamber, the upper end of which is connected to the discharge end of the set of raw material preparation devices through a feed conduit and a parallel pump; a retractable pipe connected to the lower end of the feed conduit, the bottom side of which is sealed and rotatably mounted with a liquid distribution container, and the upper end of the liquid distribution container is evenly provided with a plurality of corresponding liquid discharge pipes; and a secondary mixing chamber, the upper end of which is connected to the lower end of the primary mixing chamber through a plurality of evenly distributed guide pipes, the discharge ends of the guide pipes being respectively threaded downwardly and movably connected to corresponding distribution pipes through spiral grooves. The present invention can achieve continuous preparation and processing of silver powder, so that the oxidizing liquid and the reducing liquid can be quickly mixed and fully reacted, thereby obtaining porous silver powder with high sintering activity.

The utility model discloses an automatic liquid dilution device facilitating mixing, and belongs to the technical field of liquid dilution, the automatic liquid dilution device comprises a workbench, the bottom of the workbench is fixedly connected with supporting legs, the upper end of the workbench is fixedly connected with a mixing tank, the outer wall of the lower end of the mixing tank is provided with a water outlet pipe, and the mixing tank is internally provided with a mixing device; the mixing device comprises a mounting plate, the mounting plate is fixedly connected to the inner wall of the mixing tank, the top of the mounting plate is fixedly connected with a stirring motor, and the output end of the stirring motor is fixedly connected with a rotating rod. By arranging the mixing device, rotation of the stirring shaft and rotation of the stirring rod are achieved, it is ensured that liquid is evenly stirred, therefore, the mixing quality is ensured, meanwhile, transmission parts involved in the design are matched with one another, stable operation is ensured, and instability caused by operation or load changes is reduced. This contributes to the maintenance of continuous mixing effect and working efficiency.

This invention relates to the field of tall oil production supervision and management technology, and discloses a tall oil production batch quality traceability management system based on big data. The system includes: a data acquisition module for acquiring time-series flow rate, material level, and temperature data from storage tanks; a batch weight calculation module for converting incoming batches into a mixed weight matrix based on flow rate and material level data, and determining the logical address segment of the flow stagnation zone based on material temperature to implement vector masking, dividing the matrix into suspended and iterative subsets; and a traceability map generation module for calculating the proportion weights and constructing an association model to generate a quality traceability map. This invention translates the physical mixing process into the flow law of data weights through a logical address management mechanism, solving the defect of ambiguous batch boundaries in continuous mixing conditions, and realizing penetrating quality auditing and risk warning from the original raw material source to the finished product.

The invention provides a continuous mixing device for powder materials and a control method. The continuous mixing device comprises a vortex mixing pipe, the vortex mixing pipe is connected with a plurality of feeding hoppers, one side of the upper end of each feeding hopper is provided with a feeding port, the lower end of each feeding hopper is downwards provided with a feeding pipe communicated with the vortex mixing pipe, and the upper end of each feeding hopper is provided with a feeding motor; a power output shaft of the feeding motor is connected with a spiral feeding rod which downwards extends into the corresponding feeding pipe; an air circulating pump is arranged at one end of the vortex mixing pipe, the outlet end of the air circulating pump is communicated with the tangent plane direction of one end of the vortex mixing pipe through an air inlet pipe, the end, away from the air circulating pump, of the vortex mixing pipe is communicated with a filter cartridge, a dust filter cover is arranged in the filter cartridge, and the filter cartridge is communicated with the inlet end of the air circulating pump through a circulating pipe. One end of the filter cartridge away from the discharge pipe is communicated with a precipitation barrel. A brand new vortex airflow mixing mode is adopted, continuous powder mixing can be carried out, and the overall working efficiency can be effectively improved.

The utility model discloses a continuous powder manufacturing system, which is characterized by comprising a programmable logic controller (PLC), a main platform, an auxiliary platform, a plurality of vacuum feeding machines, a plurality of continuous blanking machines, a continuous mixing machine, a continuous wet type granulator and a step ladder. According to the invention, materials can be simultaneously and continuously discharged into the continuous mixing machine, continuous production is realized, according to automatic real-time weighing data of the continuous discharging machine, the PLC controller automatically controls the discharging speed of various materials by controlling the rotating speed of each discharging conveying screw rod, so that the mass ratio of the various materials meets the technological requirements of granulated products, and the production efficiency is improved. The production efficiency and the yield of primary products are greatly improved; and a uniformity detection sensor is arranged, so that the machine can be stopped in time to eliminate reasons for defective products in the granulation process, and the problems that quality detection is carried out separately in traditional procedures, and management and tracing are difficult are solved.

The invention discloses a dual-power continuous mixing device which comprises a spiral feeding mechanism, the discharging end of the spiral feeding mechanism is communicated with a mixing barrel, a mixing shaft is rotationally arranged in the mixing barrel, a material throwing turbine is fixed to the front end of the mixing shaft, and the material throwing turbine is used for throwing materials conveyed by the spiral feeding mechanism to a mixing area in the mixing barrel. The mixing barrel is provided with a medicament injection pipe above the mixing area, the medicament injection pipe is used for spraying medicaments on materials in the mixing area, the liquid outlet end of the medicament injection pipe is provided with an air self-suction hole, and the mixing shaft is fixedly provided with a stirring wheel behind the throwing turbine. Compared with the prior art, the spiral feeding mechanism uniformly conveys solid materials to the mixing barrel, and the medicament injection pipe conveys medicaments to the mixing barrel; a material throwing turbine and an agent spraying pipe enable dispersed agents and dispersed materials to be mixed in a mixing area, and the mixing effect is good; the primary mixed materials are further mixed through the stirring wheel, and continuous mixing and conveying of the solid materials and the medicament are achieved through cooperation of the stirring wheel, the stirring wheel and the stirring wheel.

The continuous mixing and discharging stirrer comprises a stirrer cylinder body, a stirring assembly located in the stirrer cylinder body, a feeding port and a discharging port, and the stirring assembly comprises a first stirring piece and a second stirring piece which are arranged in parallel in the horizontal direction. The first stirring piece and the second stirring piece can be driven to synchronously rotate along the horizontal direction and push the mixed solid electrolyte to the discharge hole; the structure that the first stirring piece and the second stirring piece are arranged in the stirring machine cylinder body in the horizontal direction in parallel is adopted, the problems that high-solid-content materials are insufficient in compactness and poor in production continuity can be solved, the mixing efficiency and the material quality stability are improved, the materials can be prevented from being damaged due to overheating, the running loss of equipment is reduced, and the service life of the equipment is prolonged. And the efficient and stable production concept is realized.

The present invention discloses a continuous mixing device for dry powder variable-viscosity fracturing fluid, which relates to the field of dry powder mixing. It includes a mixing tank. Four groups of raw material barrels and a mixing mechanism are installed at the top of the mixing tank. The raw material barrels are connected to the mixing mechanism through pipelines. An exhaust cover plate is installed at the top of the mixing mechanism. The exhaust cover plate is hermetically attached to the top of the mixing mechanism. When the internal air pressure of the mixing mechanism increases, the exhaust cover plate moves upward. A motor is installed at the bottom of the mixing tank. During the mixing process of the present invention, the motor drives the rotating shaft to rotate, and the rotating shaft drives the stirring fan blades and the flow fan blades to rotate. The stirring fan blades mix the raw materials, and the flow fan blades drive the air flow to flow, so that the air flow is first discharged through the exhaust cover plate. After the internal air pressure of the mixing tank decreases, the remaining air flow will enter the mixing tank through the return pipe to stir the raw materials that sink to the bottom in the mixing tank, thereby facilitating the mixing of the raw materials.

The invention discloses a suspension fracturing fluid with a wetting reversal characteristic and a preparation method thereof, and belongs to the technical field of oil and gas field exploitation. The suspension fracturing fluid comprises the following components in parts by mass: 25-55 parts of a polyacrylamide polymer, 30-60 parts of a fluorine-containing acrylic resin emulsion, 5-10 parts of a phase inversion agent and 3-10 parts of a suspension stabilizer. The suspension fracturing fluid solves the technical problems that the existing powder type and emulsion type polyacrylamide fracturing fluid cannot meet the construction requirements of large-scale volume fracturing and continuous mixing of deep wells, and cannot eliminate the water blocking damage of the fracturing fluid to sandstone reservoirs.

The invention discloses a continuous mixing and batching system for methylamine synthesis, and relates to the technical field of methylamine synthesis, the continuous mixing and batching system comprises a methanol storage tank, a liquid ammonia storage tank, an azeotrope storage tank, a mixed amine storage tank and a mixing kettle, the methanol storage tank, the liquid ammonia storage tank, the azeotrope storage tank and the mixed amine storage tank are connected with the mixing kettle through pipelines, a low-temperature heat exchanger, a start vaporizer, a three-stage high-temperature heat exchanger, a reactor, a rectifying tower and a tail gas absorption tower are arranged at the rear section of the mixing kettle. According to the invention, all component materials firstly enter the feeding premixer through the feeding pipeline, and the atomization nozzle, located at one end of the feeding premixer, of the feeding pipeline atomizes the materials and then impacts and mixes the materials, so that an efficient premixing effect is achieved. When the first stirring mixer located on the outer side of the stirring shaft and located in the feeding premixer rotates along with the stirring shaft, the stirring resistance can be reduced, and the material mixing uniformity can be further improved through impact and mesh dispersion.

This invention discloses an asphalt composition testing device for road asphalt pavement, comprising a mixing tank with a mixing mechanism inside, an opening and closing mechanism between the mixing tank and a base, and a testing mechanism inside the testing tank. This invention improves the mixing efficiency of the asphalt composition by activating the mixing mechanism to perform multi-directional mixing. After mixing for a certain period, a solenoid valve is opened, allowing the asphalt mixture inside the mixing tank to enter the testing tank through a connecting pipe. Then, the solenoid valve is closed, and the testing mechanism is activated to detect the viscosity parameters of the asphalt inside the testing tank. If the viscosity parameters do not meet the requirements, mixing continues until the viscosity parameters meet the requirements. Finally, the opening and closing mechanism is activated to unload the asphalt mixture from the mixing tank to the bottom of the base. This device allows for continuous mixing while detecting the viscosity of the asphalt mixture, making it convenient to use.

The discharging structure comprises a concrete processing box, a bearing base is installed at the bottom of the concrete processing box, universal wheels are installed at the bottom of the bearing base, a stirring mechanism is installed in the concrete processing box, and a filter material grating is arranged on the surface of the upper end of the concrete processing box. A discharging groove pipe is installed at the discharging end of the concrete processing box, the concrete processing box is connected with a material spraying machine barrel in a sealed mode through the discharging groove pipe, and a material spraying pump is installed in the material spraying machine barrel. The concrete processing box structure convenient to move is installed, the concrete pouring equipment can be conveniently and flexibly moved according to needs, meanwhile, concrete can be continuously stirred, the segregation phenomenon of the concrete is effectively prevented, the material spraying pump is installed to be matched with the material spraying machine barrel device, and the material spraying efficiency is improved. And concrete raw materials can be conveniently and rapidly sprayed and poured, and the beneficial effect that discharging control is convenient is achieved.

The present invention relates to the technical field of feed processing, in particular to a complete feed processing device for immunonutrition lactating sows, which comprises a mixing box and a batching structure, wherein the batching structure can introduce a variety of feeds into the mixing box in proportion, and the mixing box is used to continuously mix the feeds; the mixing box is composed of a storage trough plate and a sealing plate, the storage trough plate and the sealing plate are both annular in shape, and the notch of the storage trough plate faces the axial direction of the storage trough plate, the notch of the storage trough plate is annular in shape, and the sealing plate is sealed on the notch of the storage trough plate; by adopting a continuous mixing method to process raw materials, a continuous feeding and discharging working mode of raw materials can be realized, thereby improving the continuity of raw material processing, avoiding equipment shutdown due to feeding and discharging needs, thereby avoiding time waste and improving work efficiency.

The utility model discloses continuous stirring equipment for grouting materials, which comprises a motor, a speed reducer, a transmission stirring shaft, a stirring barrel, a stirring module and a fixing module, flocculated slurry can be scattered through the interaction of the stirring module and the fixing module, the materials can be stirred more uniformly, and the slurry outlet efficiency can be improved through the arrangement of the stirring module at the tail part. The pulping device is high in pulping quality and efficiency, simple and convenient to operate and easy to maintain and clean.

The utility model relates to the technical field of dry-mixed mortar, and discloses a continuous stirring device for dry-mixed mortar production, which comprises a support frame, one side of the upper end of the support frame is fixedly connected with an external shell, the side surface of the external shell is fixedly connected with a motor, and the output end of the motor is fixedly connected with a speed reducer. The speed reducer is fixedly connected to the interior of the external shell, the output end of the speed reducer is fixedly connected with a stirring shaft, the side surface, away from the motor, of the external shell is fixedly connected with a conveying pipe, the conveying pipe is arranged outside the stirring shaft in a sleeving mode, and the outer surface of the conveying pipe communicates with a feeding bin. And a dust removal assembly is arranged outside the feeding bin. Water is pressurized through the water pump and then conveyed to the stirring shaft through the water conveying pipe, the water and mortar flowing in the same direction form hedging through the reverse water outlet holes, and three-dimensional turbulent flow mixing is formed in the conveying process of the water and materials in cooperation with shearing force generated by the rotating pins.

The present disclosure relates to a device and method for continuous mixing of a solid drag reducer. The device for continuous mixing of a solid drag reducer comprises a raw material storage device (1), a pneumatic raw material delivery device (2), a power device (3), a flow testing device (4) and a dissolving device (5). The method for continuous mixing of a solid drag reducer uses the device for continuous mixing of a solid drag reducer, which can realize continuous mixing of the solid drag reducer during large-scale volume fracturing.

The utility model relates to the technical field of titanium dioxide production, and discloses a continuous mixing and cooling device for high-temperature-resistant powder coating titanium dioxide, which solves the problem of poorer cooling effect of the current titanium dioxide material and comprises a cooling cylinder, a dustproof net is arranged at the top of the cooling cylinder, and a cooling mechanism and a filtering mechanism are arranged on the cooling cylinder. The cooling mechanism comprises an air inlet cylinder fixed to the outer side of the cooling cylinder, an air inlet is formed in the cooling cylinder, the air inlet cylinder is arranged at the air inlet and communicates with the interior of the cooling cylinder through the air inlet, the two sides of the cooling cylinder are fixedly connected with a water inlet pipe and a water outlet pipe correspondingly, and the ends, away from each other, of the water inlet pipe and the water outlet pipe extend to the outer side of the cooling cylinder. A plurality of cooling pipes located in the cooling cylinder are fixedly connected between the water inlet pipe and the water outlet pipe at equal angles. According to the cooling device, the stirring shaft can rotate conveniently, then the stirring plate can rotate, titanium dioxide materials are prevented from being accumulated at the inner bottom of the cooling cylinder, and therefore the cooling effect is improved.