32results about How to "Stable mix" patented technology

The utility model discloses a chemical medicine preparation mixing liquid preparation device which comprises a liquid preparation barrel, a liquid preparation barrel top cover is arranged above the liquid preparation barrel, one end of the upper portion of the liquid preparation barrel top cover is fixedly connected with a first electric telescopic rod, and the upper portion of the first electric telescopic rod is fixedly connected with a first fixing ring; by arranging the structures such as the crushing tank, the crushing motor and the crushing blades, solid chemicals can be more conveniently mixed and can be conveniently and quickly crushed into powder, reaction and mixing are more sufficient, and by arranging the structures such as the two sets of electric telescopic rods, the two sets of flow adjusting valves, the liquid feeding pipe and the powder feeding pipe, the reaction speed is increased, and the reaction time is shortened. The liquid feeding pipe or the powder feeding pipe can be adjusted to move up and down to a proper height, so that a solution or powder slowly falls into other solutions in the liquid preparation barrel, solution splashing is reduced, and reaction and mixing are more stable.

The invention provides an antibacterial PE film for a packaging bag and a preparation method of the antibacterial PE film, and relates to the technical field of PE packaging bags, and the antibacterial PE film mainly comprises linear low density polyethylene, p-hydroxybenzoate, a nano-silver composite antibacterial agent, maleic anhydride grafted polyethylene, a plasticizer and a coupling agent. According to the antibacterial PE film, the components of the antibacterial PE film are improved, hydroxybenzoate can be uniformly distributed in the PE film to achieve the antibacterial effect, the nano-silver composite antibacterial agent is bonded in maleic anhydride grafted polyethylene in advance, and then the nano-silver composite antibacterial agent, linear low-density polyethylene, the plasticizer and the coupling agent are mixed, extruded, granulated and blow-molded to form the film, so that the antibacterial PE film is obtained. The nano-silver composite antibacterial agent and maleic anhydride grafted polyethylene are pre-mixed to obtain a high-viscosity intermediate, the nano content in the high-viscosity intermediate is high, the antibacterial effect is obvious, and the nano-silver composite antibacterial agent in the high-viscosity intermediate in the subsequent mixing process is high in stability and outstanding in antibacterial effect.

The utility model discloses a canal dosing and mixing device, which relates to the field of sewage treatment, and comprises a mixing structure arranged in a canal, the mixing structure comprises a support plate, the support plate is provided with a water passing hole, water flow in the canal flows through the water passing hole, the inner circumference of the water passing hole is uniformly provided with a plurality of blades, and the blades are bent towards the downstream direction of the canal; the dosing pipe is arranged on the side, located on the upstream of the supporting plate, of the water channel; according to the uniform mixing device, flowing water flow is drained through the blades on the supporting plate, so that the water flow moves towards the center direction along the surfaces of the blades, meanwhile, the water flow can form a vortex shape on the back faces of the blades under the fluid mechanics effect, the water flow is changed into a turbulent flow state through stable laminar flow grabbing, and medicine and water are sufficiently and uniformly mixed; and the economic cost is not increased and the water channel is not transformed.

The utility model relates to the technical field of biological fermentation, and discloses a biological decomposition fermentation device which comprises a fermentation tank, two storage tanks are arranged on the fermentation tank, a support is fixedly connected to the fermentation tank, a motor is installed on the support, a driving shaft is connected to the tail end of an output shaft of the motor through a shaft, and the tail end of the output shaft of the motor is connected with a motor. Discharging assemblies used for intermittent discharging are arranged in the two storage tanks, a driving assembly used for driving the discharging assemblies is arranged on the fermentation tank, and a connecting assembly used for connecting the storage tanks with the interior of the fermentation tank is further arranged in the fermentation tank. When the biological decomposition fermentation device provided by the utility model works, biological materials and adjusting powder enter the connecting pipe in a staggered manner to ensure full contact of the biological materials and the adjusting powder, so that the uniformity of mixing and reaction is promoted, the consistency and the stability of material fermentation are ensured, the overall fermentation efficiency and the product quality are improved, manual operation is not needed, and the production cost is reduced. And the operation efficiency and the consistency are improved.

The invention discloses a gene detection sample oscillation mixing device capable of accurately controlling the speed, and relates to the technical field of gene sample detection, the gene detection sample oscillation mixing device comprises a device host and a driving member, and is characterized in that the driving member is vertically embedded in the device host, and the top power output end of the driving member is horizontally connected with a rotating frame member. According to the gene detection sample oscillation mixing device capable of accurately controlling the speed, the oscillation frequency and amplitude can be accurately controlled according to preset parameters through a high-precision speed sensor and an intelligent regulation and control system which are arranged in the device host. And the driving component adopts an advanced motor driving technology, so that the stability and high efficiency of power output are ensured. And the rotating frame component is designed into an adjustable structure and can be flexibly adjusted according to the sizes of different sample containers, so that the uniformity of oscillation mixing is ensured. And the clamping component is made of a soft and elastic material, so that the sample container can be firmly clamped, and the damage to the sample in the oscillation process can be avoided.

The invention discloses a double-column automatic lifting hopper mixer, which relates to the technical field of automatic lifting hopper mixers. The double-column automatic lifting hopper mixer comprises a bottom plate, an upper end surface of the bottom plate is fixedly connected with a column, an n-shaped frame is arranged between the two columns, a clamping assembly is arranged in the n-shaped frame, a tightening assembly is also arranged in the n-shaped frame, a rotating assembly is arranged on the column, the rotating assembly is used to rotate the mixing bucket to drive the mixing of materials in the mixing bucket, a stirring assembly is arranged on the column, and is used to stir the material mixture in the mixing bucket, an adjusting assembly is arranged on the stirring assembly, and is used to adjust the height of the connecting end in the stirring assembly, a transport assembly is arranged on the mixing bucket, and the transport assembly is used to move the mixing bucket, and a knocking vibration assembly is arranged on the n-shaped frame and is used to knock the surface of the mixing bucket, so as to solve the problem that during the rotation of the mixer, the materials therein will also be evenly turned over with the turning of the mixer, which will reduce the mixing effect of the mixer.

The utility model belongs to the technical field of critical oxygen index measuring equipment, and particularly relates to a critical oxygen index measuring device which comprises a base and a stand column, a box body and a fixing frame are arranged at the top of the base, an oxygen pipeline and a nitrogen pipeline are arranged on the side wall of the box body, a gas mixing barrel is arranged at the bottom of an inner cavity of the fixing frame, and a gas outlet is formed in the gas mixing barrel. One end of the oxygen pipeline and one end of the nitrogen pipeline are connected with the gas mixing cylinder, and a gas outlet hole is formed in the top of the fixing frame. In the critical oxygen index measuring process, a tested object can be effectively and vertically fixed, the tested object is clamped more firmly in a clamping mode, and the testing efficiency is improved; and the inclination and collapse phenomena of the object during the test are avoided, so that the test accuracy is improved.

The utility model relates to the field of kneading and mixing, in particular to kneading and mixing equipment capable of uniformly mixing materials. The equipment comprises a cylinder body, a plurality of stirring paddles and a motor, and the stirring paddles are connected with the motor through a transmission mechanism; a heat conduction block is arranged in the middle of the stirring paddle and connected with a heat dissipation tower through a heat conduction strip, the heat conduction strip is arranged in the stirring paddle, and the heat dissipation tower is arranged on a rotating shaft of the stirring paddle and located on the outer side of the cylinder body. Furthermore, the transmission mechanism comprises a driving belt transmission mechanism, a control belt transmission mechanism and a speed reducer, the motor is connected with the speed reducer through the driving belt transmission mechanism, and the speed reducer is connected with the stirring paddle through the control belt transmission mechanism. The heat conduction block is arranged in the middle of the stirring paddle and is connected with the heat dissipation tower through the heat conduction strip, so that heat generated in the stirring process is effectively guided out, accumulation of the heat in the materials and the stirring paddle is prevented, and stable operation of the mixing process is ensured.

The present invention discloses an automatic sample loading system for a reaction tube, comprising a mounting plate, on which a centrifugal disk for placing a reaction tube, a dilution disk for placing a biochemical cup, and a sample disk for placing a sample container are mounted and rotated; the reagent loading mechanism is used to automatically absorb the reagent B in the reagent B box on the mounting plate, and then add it to the reaction tube; the dilution loading mechanism is used to automatically absorb the reagent A in the reagent A box on the mounting plate, and then add it to the biochemical cup, and to automatically absorb the liquid in the biochemical cup and add it to the reaction tube; the sample loading mechanism is used to automatically absorb the sample in the sample container and add it to the biochemical cup. The automatic sample loading system for a reaction tube disclosed by the present invention can realize the sequential addition of corresponding solutions into the reaction tube, and each action is fully automated, and after the sample loading is completed, there is no need to manually transfer the reaction tube, and the sample loading efficiency is high.

The invention provides an improved cleaning tank for a probe of a biochemical analyzer and a cleaning method of the improved cleaning tank, and belongs to the technical field of machinery. The problem of poor stability in the prior art is solved. The improved cleaning tank for the probe of the biochemical analyzer comprises a cylindrical shell, a cavity is formed in the shell, an opening is formed in the upper end of the shell, the improved cleaning tank is characterized by further comprising an end cover and a cylindrical drainage cylinder, the end cover is detachably connected to the upper end opening of the shell, an insertion hole is formed in the end cover, and the probe can be inserted into the insertion hole. The upper end of the drainage cylinder is connected with the lower end of the shell, a drainage hole right opposite to the insertion hole is formed in the bottom of the shell, the shell is communicated with the drainage cylinder through the drainage hole, and a positioning structure capable of fixing the drainage cylinder on a corresponding support is arranged on the outer side of the drainage cylinder. The cleaning method for the probe of the biochemical analyzer comprises the following steps: A, preparing; b, inserting a pin; c, cleaning; and D, dehydrating. The improved cleaning tank for the probe of the biochemical analyzer is high in stability, and the cleaning method is simple and convenient to operate.

The invention provides a refractory concrete and a preparation method thereof, belonging to the technical field of concrete; the preparation method comprises modified basalt fiber, modified granite powder, grafting and mixing steps; the step of modifying the granite powder comprises placing the granite powder in an ethanol solution, adding sorbitol dodecanoate and polyoxyethylene sorbitan monolaurate for stirring at a stirring temperature of 46-50 DEG C, adding threonine after stirring evenly, and performing ball milling treatment at a ball milling time of 26-30 min, a ball milling speed of 114-125 rpm, and a ball-to-material ratio of 3- 5:1, after the ball milling is completed, the modified granite powder is obtained by filtering and drying; the particle size of the granite powder is 135-145nm; the mass concentration of the ethanol solution is 45-50%; the mass ratio of the granite powder, ethanol solution, sorbitol dodecanoate, polyoxyethylene sorbitan monolaurate, and threonine is 8.3-8.7:90-97:1.0-1.2:1.1-1.5:4.5-4.9; the refractory concrete prepared by the present invention has high strength, excellent water permeability resistance, good high temperature corrosion resistance, and low linear shrinkage.

The present invention relates to a flow guide and an air management device having the same. In the present invention, ribs (20) are formed in rows along the rotation axis of a drive fan (32) on a curved surface (18) having a predetermined radius of curvature formed on the surface of the flow guide (14). The ribs (20) are configured to extend elongated along the direction of airflow guided by the curved surface (18). The ribs (20) cause the airflow from the drive fan (32) to form vortices, thereby converging and homogenizing the surrounding airflow.

This utility model relates to the field of combustion technology and discloses a two-stage ignition fuel nozzle device, including a fuel nozzle mounting base. A flow regulating valve is located at the rear end of the fuel nozzle mounting base, and fuel nozzles are fixedly mounted on both sides inside the mounting base. This utility model uses the structural design of the fuel nozzle mounting base to connect two fuel nozzles separately. The flow regulating valve can control the fuel flow to each of the two fuel nozzles. When a low flame is needed, the fuel flow to one or both fuel nozzles is reduced; when a high flame is needed, the fuel flow is increased. After ignition by the ignition needle, a flame stabilizer plate stabilizes the flame. Air from the air intake pipe mixes thoroughly with the atomized fuel. A heat shield prevents heat loss and protects surrounding components. The operation of this series of mechanisms drives the switching between high and low flames, thus enabling the device to control two fuel nozzles separately, achieving the purpose of switching between high and low flames. It ensures complete combustion, eliminates fuel odor, and is suitable for various applications requiring heating.

The utility model relates to a welding gas energy-saving device which comprises a gas mixing tank and a control panel, a gas mixing cavity is arranged in the gas mixing tank, a plurality of gas inlet pipes are arranged on the side face of the gas mixing tank, a gas outlet pipe is arranged at the bottom of the gas mixing tank, the gas inlet pipes and the gas outlet pipe are communicated with the gas mixing cavity, and electromagnetic valves are arranged on the gas inlet pipes and the gas outlet pipe. The inner wall of the gas inlet pipe is tangent to the inner wall of the gas mixing tank, a current sensor is arranged on the control panel, and the electromagnetic valve is electrically connected with the current sensor. The mixed gas is stable in proportion, uniform in mixing, good in protection effect and small in gas consumption, and a large amount of energy can be saved in continuous welding.

This invention discloses a mixed-type fruit wine brewing device suitable for fermenting various fruits with controlled sugar content, belonging to the field of fruit wine processing technology. Its key technical features include: a fermentation tank, with a pressure relief valve installed at the upper end, a support column fixedly connected to the lower end of the fermentation tank, a mounting base fixedly connected to the upper end of the fermentation tank, a mixing component mounted on the upper end of the mounting base, and a feeding component installed on the side wall of the fermentation tank. This invention, by setting up a mixing component, utilizes a dual motion path—a reciprocating up-and-down motion continuously changing the stirring height while simultaneously rotating and stirring—to break the laminar flow of fruit raw materials, achieving three-dimensional flow of fruit raw materials. This ensures uniform composition of the fruit raw materials, and the strong shear force reduces the viscosity of the fruit raw materials, improves fluidity, ensures stable mixing of fruit raw materials during fermentation, and avoids uneven fermentation caused by localized material accumulation.

The application discloses a mold capable of hot runner shunt adjustment, and belongs to the technical field of injection molding equipment, and has the technical scheme as follows: a mold frame assembly, a cavity mold plate group and a hot runner system are provided, the hot runner system comprises a shunt plate, a glue injection device installed on the shunt plate, a hot nozzle device installed on the shunt plate, heating pipes distributed on the shunt plate and a mixing system used for mixing materials of different colors and connected with the hot nozzle device; the shunt plate is provided with a first runner and a second runner, the first runner and the second runner correspond to the glue injection device respectively, and the hot nozzle device is connected with the first runner and the second runner. The application improves the mixing stability of two materials in the production process of the gradual color injection molding product and the precision of the gradual color adjustment.

The invention discloses a calcium-aluminum composite emulsion and a preparation method and application thereof, and belongs to the technical field of industrial solid waste treatment and environmental protection. The settling agent is mainly prepared from aluminum oxide and calcium oxide composite powder, and is high in settling rate and good in settling effect. The preparation method comprises the following steps: carrying out ball milling treatment on aluminum oxide and calcium oxide, adding nonionic polyoxyethylene amide and nonionic polyacrylamide, stirring, and dropwise adding ethylene glycol in the stirring process to prepare a calcium-aluminum composite emulsion; the effective calcium content, the permeability and the precipitation performance of the calcium-aluminum composite emulsion are improved by adopting aluminum oxide and subsequent ball milling treatment, then phosphorus and fluorine pollutants in phosphorus and fluorine wastewater and phosphogypsum can be rapidly and effectively precipitated, the treated phosphogypsum conforms to first-class solid waste, and the treated phosphorus and fluorine wastewater also conforms to the national standard. The technical problem that phosphorus and fluorine cannot be efficiently removed at the same time due to low effective calcium content and poor permeability of a traditional lime agent is solved.

The utility model belongs to the technical field of reaction kettle, especially relates to a chemical industry reaction kettle, include: kettle body, stirring shaft, lid, rotary drive source, adjusting mechanism, feeding pipe, discharge pipe and pump body, the kettle body has the reaction chamber in it, be provided with stirring shaft in the reaction chamber, be provided with vane on stirring shaft, the bottom of kettle body is provided with the discharge pipe of intercommunication reaction chamber, the lid sets up at the top of kettle body, be provided with the feeding port of intercommunication reaction chamber on the lid, the upper end of stirring shaft extends to the outside of kettle body after penetrating the lid, stirring shaft can slide in the axial direction relative to the lid, stirring shaft can rotate relative to the lid, rotary drive source can drive stirring shaft rotation, adjusting mechanism can drive rotary drive source and stirring shaft reciprocating motion in the axial direction of stirring shaft, feeding pipe connects feeding port and raw material container, one end of discharge pipe connects discharge pipe, pump body can drive feeding pipe feeding respectively, and drive discharge pipe discharge, compared with the prior art, the reaction kettle of the utility model realizes feeding and discharge through optimizing reaction kettle structure, adopts single pump, and designs the stirring shaft that can move axially, makes the stirring range cover entire reaction chamber, improves mixing uniformity.

The utility model discloses a ceramic pigment double-end quick grinding and mixing device, which relates to the technical field of ceramic pigment preparation, and comprises an upper bowl body and a lower bowl body, two symmetrically arranged support columns are fixedly arranged between the upper bowl body and the lower bowl body, a material guide pipe is communicated between the upper bowl body and the lower bowl body, a screen is fixedly arranged in the material guide pipe, and the upper bowl body and the lower bowl body are fixedly connected through the screen. A supporting plate is fixedly arranged at the upper end of the inner wall of the upper bowl body, a motor is fixedly arranged at the top of the supporting plate, the output end of the motor penetrates out of the supporting plate and is fixedly provided with a vertical rod, the lower end of the vertical rod penetrates out of the screen and is fixedly provided with a mixing stirrer, a connecting plate is fixedly arranged at the upper end of the vertical rod, and two symmetrically-arranged grinding blocks are rotationally arranged in the connecting plate. According to the upper bowl body, the lower bowl body, the supporting plate, the motor, the vertical rod, the connecting plate, the grinding block, the grinding assembly, the screen and the mixing stirrer, pigments can be fully mixed after being ground, the grinding and mixing effects of the pigments are guaranteed, and the preparation effect of the pigments is improved.

The invention discloses a thermogravimetric analysis device and method for high-humidity multi-component atmosphere reaction kinetics research, and belongs to the technical field of thermogravimetric analysis instruments.The device comprises a reaction module, a heating furnace, a weighing module, a gas distribution module and an analysis module; the reaction module is vertically arranged in the heating furnace, the core is a reaction pipe main body with an open lower part, and the side surface is connected with a gas inlet pipe and a sampling pipe from top to bottom; the weighing module is located below the reaction module and comprises a weighing balance, a water cooling unit and a weighing supporting rod, and the water cooling unit can control a water vapor condensation area and stabilize the temperature of the balance; the gas distribution module can provide a multi-component reaction atmosphere containing water vapor with controllable concentration; the analysis module can detect tail gas components in real time. The device can realize low gas-solid mass transfer resistance, high-humidity environment stable control, wide-particle-size sample measurement and rapid heating and cooling, and is suitable for high-humidity multi-component atmosphere gas-solid reaction kinetic research in the fields of combustion, catalysis, adsorption and the like.

The utility model discloses a household garbage incineration fly ash treatment device which comprises a support, an ash inlet is fixedly connected to the support, the ash inlet is rotatably connected with a barrel through a bearing, a cover is attached to the barrel, a water injection port is fixedly connected to the cover, a scraper is fixedly connected to the cover, and a water outlet is formed in the bottom of the cover. And the outer wall of the scraping plate is attached to the inner wall of the barrel body. Water and fly ash in a certain proportion are injected through the ash inlet and the water injection port, the fly ash and the water can be mixed to be in a mud pie shape by matching with rotation of the barrel body, the scraping plate is used for removing adhesive substances on the inner wall of the rotating barrel body, it can be guaranteed that the fly ash and the water are stably mixed, meanwhile, loose fly ash can be mixed through water, and the fly ash can be mixed with the water in a mud pie shape. The size is reduced to a certain extent, and collection operation is relatively convenient while collection and transportation are facilitated.

The invention discloses a complete mixing continuous flow anaerobic ammonia oxidation sludge reinforced granulation device and method, and belongs to the technical field of wastewater biological denitrification. The device takes a complete mixing continuous flow reactor as a core, and is provided with a monitoring control platform, a temperature control device, a pH regulating agent tank and a nutrient solution agent tank. A magnetic suspension stirring device is arranged at the bottom of the reactor and comprises a stirring rotor arranged in an inner cavity of the reactor and a magnetic suspension motor fixed to the outer side of the bottom of the reactor, the magnetic suspension motor drives the stirring rotor to rotate in a magnetic coupling mode without a penetrating shaft, and a strict anaerobic and high-shear mixing environment is constructed for anaerobic ammonium oxidation bacteria. A detachable sludge blocking baffle is arranged on an effluent weir at the upper part of the reactor, and sieve plates with different apertures can be replaced according to operation stages, so that efficient interception and backflow of granular sludge with different particle sizes under a continuous flow condition are realized. On-line monitoring and automatic control are integrated, the anaerobic ammonia oxidation sludge granulation process is effectively promoted, and it is guaranteed that the system stably runs for a long time under the continuous flow condition.

The invention discloses a strawberry seedling raising system, and aims to solve many problems existing in a traditional strawberry seedling raising mode and improve seedling raising quality and efficiency. A plurality of groups of seedling raising pipe mechanisms are arranged at the front part of the seedling raising frame, seedling raising pipes are inclined and are internally provided with wave lines and pits, the lower ends of the seedling raising pipes are provided with ultrasonic transducers, an ultrasonic aerator is arranged below a liquid inlet in the left side, and a liquid outlet is formed in the lower end of the right side; a porous ceramic cup base at the bottom of the seedling culture cup comprises a capillary structure and a liquid storage cavity; the circulating mechanism is composed of a nutrient solution mixing box, a circulating pump, a main pipeline, a flow dividing pipeline and a pressure regulating valve, and nutrient solutions can be blended and accurately supplied. Through the design, efficient oxygenation, uniform mixing and accurate supply of a nutrient solution are achieved, a stable and excellent environment is created for strawberry seedling root systems, healthy growth of the root systems is promoted, the survival rate and quality of strawberry seedlings are improved, meanwhile, a good nutrient solution recycling function is achieved, the cost is reduced, and wide market application prospects are achieved.

The utility model discloses a lithium leaching device for reducing dissolution of copper and aluminum, and relates to the field of lithium leaching devices. The stirring device comprises a tank body, the outer surface of the tank body is fixedly connected with a PLC (programmable logic controller), the upper surface of the tank body is detachably connected with a top cover, the upper surface of the top cover is fixedly connected with a motor, the output end of the motor is fixedly connected with a connecting rod, and the outer surface of the connecting rod is fixedly connected with a plurality of stirring blades. Through the arrangement of structures such as the motor, the stirring blades and the gas inlet pipe, the motor is started, and nitrogen is added into the tank body through the gas inlet pipe, so that bidirectional up-and-down spiral mechanical stirring and bubble stirring can be realized, the effect of centrifugal material mixing can be realized, and materials at the upper layer and the lower layer can be quickly mixed; and meanwhile, under the action of nitrogen, the oxidation reaction effect of the raw materials can be reduced, generation of aluminum and copper impurities is reduced, and then the leaching purity of the raw materials is improved.

The application discloses a kind of micropore pre-reaction and pesticide residue detection equipment of immunochromatography, belong to pesticide detection technical field, including shell and for raw material processing processing mechanism, shell is provided with for the pesticide residue of raw material detection detection mechanism and for the replacement of detected liquid replacement mechanism;The application is by integrating units such as broken jar, reference liquid jar, liquid pump and feeding pump in shell, constructs the automatic sample pretreatment system, when detecting, fruit and vegetable samples are broken in broken jar, equipment is pumped into special reference liquid by pH7.2-7.6 phosphate buffer solution, Tween-20, NaCl and gelatin, the reference liquid not only can efficiently extract nicotinamide pesticide in fruit and vegetable, more importantly, its mild component can effectively eliminate the interference of fruit and vegetable matrix to subsequent immune response, while protecting the biological activity of colloidal gold labeled antibody, lay foundation for subsequent high specificity binding, improve the accuracy and reliability of detection.

The invention relates to the technical field of rural sewage treatment, in particular to denitrification equipment for AO treatment of rural domestic sewage and a deamination method.The denitrification equipment comprises an anoxic tank used for sewage reaction, a circulating pump used for circulating flow of sewage, a flow dividing device used for guiding and stirring the sewage and a feeding device used for feeding reaction materials; the device comprises an anoxic tank, the bottom of the anoxic tank is fixedly connected with supporting seats which are uniformly distributed, the front of the anoxic tank is fixedly connected with a circulating pump, and the upper end and the lower end of the circulating pump are fixedly connected with flow guide pipes. Sewage can be driven to flow through the circulating pump and the flow guide pipe, at the moment, the sewage flows in the anoxic tank according to a specific path under the action of the flow dividing device, and at the moment, reaction raw materials are fed into the feeding device, so that the sewage can be mixed with the sewage in the flowing process, and the denitrification efficiency of the sewage is improved.

The utility model relates to the technical field of ejectors, in particular to a self-adaptive gas flow ejection nozzle, which is characterized in that a flow meter for collecting gas flow in an injection pipe, a control unit and a linear motor are arranged, a first taper pipe is provided with an insertion part, the insertion part is provided with an insertion hole, and a telescopic arm of the linear motor is connected with a pushing column; the pushing column can movably stretch into the penetrating hole and is connected with a flashboard, a flashboard groove is formed in the outer wall of the collecting pipe, the flashboard can movably stretch into the flashboard groove, and the inner hole of the collecting pipe is blocked through stretching and retracting of the flashboard so that the cross sectional area of the inner hole of the collecting pipe can be adjusted, and therefore the flow of airflow in the collecting pipe can be controlled. The control unit is electrically connected with the flow meter and the linear motor and used for obtaining the gas flow value collected by the flow meter and driving the linear motor to move in the direction close to or away from the collecting pipe so that the flashboard can adjust the cross sectional area of an inner hole of the collecting pipe, the relatively stable gas flow can be obtained, and it can be ensured that system regeneration gas is stably sucked and mixed.

The invention belongs to the technical field of testing, and particularly discloses a multi-channel high-flux catalytic material evaluation system. A gas distribution system of the system comprises a plurality of gas pipelines, a plurality of mass flow controllers I, a mixing tank, a buffer tank and a plurality of branch mass flow controllers, the mass flow controllers I and switch valves I are arranged on the gas pipelines respectively, the front ends and the rear ends of the gas pipelines are connected with a gas source and the mixing tank respectively, the mixing tank is communicated with the buffer tank, and the branch mass flow controllers are arranged on the branch mass flow controllers. A gas outlet of the buffer tank is provided with a plurality of mixed gas branches; the steam system comprises a liquid supply source, an auxiliary carrier gas source and a vaporization tank, the liquid supply source and the auxiliary carrier gas source are connected with the vaporization tank, and the vaporization tank is connected with the multiple mixed gas branches at the outlet end of the buffer tank, the mixing tank or the buffer tank through pipelines; the reaction system comprises a heating box, a multi-channel reactor and an infrared heating structure; the control system is electrically connected with the switch valve I, the mass flow controller I, the switch valve II, the mass flow controller II, the infrared heating pipe and the analysis system.

The utility model provides a preparation mold of a controllable-density silica gel foaming material, which relates to the technical field of silica gel foaming preparation and comprises a base, a sleeve arranged on the surface of the base, a vibrating spring arranged in the sleeve, a lower mold arranged at the top end of the vibrating spring, an electric heating wire arranged in the lower mold and a fixing plate arranged on the surface of the base. A vibration assembly is arranged on the surface of the fixing plate, the vibration assembly, a vibration spring and a guide groove are adopted, a servo motor drives a driving rod to rotate, a crank at the end of the driving rod does circular motion along with the driving rod, the circular motion is converted into vertical linear motion of a moving block through a connecting rod, and then a connecting plate drives a lower mold to vibrate vertically; and meanwhile, the vibration spring assists the lower mold to realize more stable and efficient vibration, continuous and regular acting force can be applied to silica gel raw materials poured into the lower mold, the raw materials are promoted to be fully mixed in the lower mold, the density consistency of final products is greatly improved, and therefore the overall quality of the silica gel foaming materials is remarkably improved.

The present invention discloses a multi-stage mixing device and method for solid fuel and liquid medium, the device comprising: an inner sleeve (1); an outer sleeve (2), the inner sleeve (1) and the outer sleeve (2) being connected and fixed by a bracket (9); a solid fuel slurry inlet (41), the solid fuel slurry inlet (41) being coaxial with the inner sleeve (1); an air inlet (42); a micro-nano bubble generating component (5); and a material outlet (71). The multi-stage mixing device of the present invention can pre-mineralize solid fuel particle materials separately before a flotation separation device, thereby improving the mineralization degree of solid fuel particles. The higher the mineralization degree, the better the flotation separation effect in the subsequent foam flotation tower, which is reflected in the more obvious phase interface between the foam phase and the water phase in the foam flotation tower, and also avoids the problem of a large number of mineral particles being mixed in the carbon-hydrogen combustible particles in a single tank flotation device. The multi-stage mixing device of the present invention can also be used to prepare a suspended stable liquid-like fuel.