2655results about "Mixers" patented technology

The invention relates to the technical field of screening, and discloses an iron ore powder and antifreezing agent mixed screening device which comprises a rack, and the surface where the top of the rack is located is inclined; a first bearing seat is mounted on the rack, a roller with a rubber wheel surface is rotationally connected to the first bearing seat, a universal coupling is connected to the shaft end of the roller, a shaft rod is connected to the other end of the universal coupling, a speed reducer arranged on a second supporting seat is connected to the free end of the shaft rod, and the second supporting seat is connected with the rack; the speed reducer is driven by a first motor arranged on the rack, and the first motor and the speed reducer transmit power through belt transmission; a drum screen assembly used for improving the mixing uniformity of the iron ore powder and the anti-freezing agent is connected to the rolling wheel in a rolling mode, and mixed materials are discharged from screen holes of the drum screen assembly. Mixing, screening, conveying and cleaning are integrated, mixing uniformity is high, screening efficiency is excellent, operation and maintenance are convenient and fast, and the requirement for mixing and screening of iron ore powder and an anti-freezing agent is met.

The utility model discloses a polyester reverse esterification kettle on-line adding device which comprises a first esterification kettle and a second esterification kettle, a batching pipeline is arranged between the first esterification kettle and the second esterification kettle, and a three-monomer on-line injection system is arranged on one side of the batching pipeline. A second static mixer, a dynamic mixer and a pneumatic valve are sequentially arranged on the batching pipeline between the three-monomer on-line injection system and the second esterification kettle, and materials prepared by the three-monomer preparation system are injected into a connecting pipeline through the three-monomer on-line injection system; and then the mixture enters the second static mixer and the dynamic mixer to be mixed and then is injected into the second esterification kettle through the pneumatic valve. The transformation from production of extinction products to production of cationic products can be quickly realized in the five-kettle process, so that the productivity and the quality of the products are ensured, and benefits are created for enterprises to be maximized.

The invention discloses a wastewater degradation and recovery device for white spirit production, and particularly relates to the technical field of wastewater degradation, the wastewater degradation and recovery device comprises a treatment tank and an impurity storage box arranged on one side of the surface of the treatment tank and used for collecting impurities after wastewater treatment, and the other side of the treatment tank is further provided with an input and output assembly; sealing plates for isolating wastewater are arranged on the upper side and the lower side of an inner cavity of the treatment tank respectively, a sealing column is arranged on the opposite surfaces of the two sealing plates, a liquid storage tank is arranged on one side of the sealing plate located on the upper portion, and an air injection stirring assembly is arranged at the bottom of the sealing column. According to the wastewater degradation and recovery device for white spirit production, the mode that large bubbles are directly injected and scattered by a rotary stirring rod to form small bubbles is achieved through the arranged air injection stirring assembly, and meanwhile the injection mechanism is matched for synchronous operation, so that a flocculating agent is rapidly dispersed by means of bubble kinetic energy and the stirring effect, and the flocculation reaction is accelerated; the pollutants can be more quickly coagulated into large-particle flocs, and the wastewater purification efficiency is improved.

A foamed liquid dispensing system includes a container for receiving a liquid to be dispensed connectable to, and removable from, a gas charging unit. The gas charging unit includes a gas compressor, gas pressure sensing means, a control unit and a user interface. The user interface permits a user to input a desired final gas pressure from a minimum value to a maximum value in discrete steps. The control unit instructs the gas compressor to charge the container with gas to the desired final pressure. The gas pressure is continuously monitored and the flow of gas into the container is stopped once the desired final gas pressure has been reached. The user interface displays the gas pressure in the container as the charging cycle proceeds. Once charged with gas and removed from the gas charging unit, the container substantially retains the final desired gas pressure until the liquid is dispensed.

The invention belongs to the technical field of purification stations, and particularly discloses an automatic chemical feeding control device for a purification station, which comprises a concentrated chemical tank, a PLC (programmable logic controller), a water tank and a factory, the concentrated chemical tank is provided with a concentrated chemical pipe, the concentrated chemical pipe is provided with a diluted chemical tank, the diluted chemical tank is provided with a water pipe, the water pipe is communicated with the water tank, the diluted chemical tank is provided with a diluted chemical pipe, the diluted chemical pipe is provided with a reaction tank, and the reaction tank is provided with a sewage pipe. The reaction tank is provided with a water outlet pipe, the water outlet pipe is communicated with the plant, the thick pesticide pipe is provided with a pesticide spraying pump, the thin pesticide tank is provided with a liquid level meter, the thick pesticide pipe, the thin pesticide pipe and the water pipe are all provided with electric valves, the thin pesticide pipe is provided with four metering pumps and flow meters, and the sewage pipe and the water outlet pipe are both provided with turbidity meters; through cooperation of the PLC and the electrically operated valve, the proportion of concentrated chemicals and water and the dosage of added chemicals during sewage treatment are flexibly controlled, personal errors are reduced, and the stirring speed is increased through aeration stirring of the chemical liquid through the vacuum pump, so that the problems of personal errors and low stirring speed due to manual chemical adding of an existing purification station are solved.

The invention relates to the field of water pollution abatement, in particular to an underwater micro-nano bubble generator and a using method thereof.The underwater micro-nano bubble generator comprises a bubble cutting pipe, a bubble cutting generating device is arranged in the middle of the bubble cutting pipe, and an erecting fixing plate is arranged at the front end of the bubble cutting pipe; a plurality of first venturi tubes are arranged on the erected fixing plate, each first venturi tube comprises a first liquid inlet section, a first compression section and a first expansion section, a water passing pipe is connected between the first expansion section and the bubble cutting tube, and an air inlet which is the same as the interior of the first venturi tube is fixedly formed in the first venturi tube; and a second Venturi tube is fixedly mounted at the rear end of the bubble cutting tube, so that the problems that a micro-nano bubble generator in the prior art is relatively high in cost, water and gas cannot be preliminarily mixed before bubble cutting, and the damage resistance is poor can be solved.

A method for processing a sample in a container includes introducing the sample to the container. A cap is applied to the container. The cap contains a plurality of beads. The plurality of beads is mixed with the sample. The plurality of beads is separated from the sample. Subsequent to removing the plurality of beads, a further process is initiated.

The invention discloses a horizontal sludge dryer which comprises a rack, a first drying cylinder is arranged on the rack in an obliquely downward mode through a supporting piece, a sludge feeding mechanism is arranged in the upper end of the first drying cylinder, and a cyclone conveying mechanism in the first drying cylinder is connected with the air outlet end provided with a screw air compressor through a connecting pipe. A crushing mechanism is arranged at the discharging end of the sludge feeding mechanism, a second drying cylinder is movably connected to the discharging end of the first drying cylinder, a roundabout conveying mechanism is arranged in the second drying cylinder, a hot air inlet pipe is arranged in the lowest end of the second drying cylinder, and a discharging control mechanism is arranged in the lower end of the second drying cylinder. An air outlet is formed in the lower end of the first drying cylinder and connected with a sludge feeding mechanism through an air return pipe, and a first rotation driving mechanism is arranged on the rack. The sludge drying device is simple in structure, sludge can be effectively crushed, heat and mass transfer is enhanced, the drying path is prolonged, and waste heat can be effectively recycled.

The invention relates to the field of enhanced intrinsic safety in a gas-liquid phase mixing process, and discloses a gas-liquid mixing device and a gas-liquid mixing vaporization method. The device comprises a shell, a Venturi gas-phase turbulent mixing section, a liquid-phase atomizing mixing section and a static mixing section are sequentially arranged in the shell in the flowing direction of material flow, the Venturi gas-phase turbulent mixing section comprises a reducing structure and an expanding structure, a liquid inlet component is arranged at the position, close to the reducing structure, of the expanding structure, and the static mixing section is connected with the liquid inlet component. The liquid phase atomization mixing section is provided with a membrane tube base body, the membrane tube base body is provided with a plurality of inner holes in the axial direction, the surfaces of the inner holes are coated with nanometer materials, and the static mixing section is provided with filler. According to the device, the liquid-phase oxidizing agent and the gas-phase oxidizing agent are subjected to multi-stage mixing vaporization, the atomization degree of the liquid phase is increased, the uniformity degree of the obtained mixed gas phase is improved, meanwhile, the device can be quenched after burning explosion by coupling a porous membrane pipe and filler, and the burning explosion risk in the mixing vaporization process is reduced.

A high-throughput automated chemical synthesis workstation, relating to the technical field of chemical synthesis. The workstation comprises a base. The base is detachably provided with a negative pressure suction filter, a magnetic stirring reactor, a high-throughput chemical reaction module, a pipette tip box, a cover plate, and a liquid storage tank, wherein the negative pressure suction filter and the magnetic stirring reactor can be replaced with other testing instruments; a screw is lap-jointed on the cover plate; a moving device is also mounted on the base, and a tightening assembly, a gripper assembly, and a pipetting assembly are mounted on the moving device; and pipetting is performed by the pipetting assembly, the gripper assembly drives the cover plate to move to the high-throughput chemical reaction module for sealing, and after tightening is performed by the tightening assembly, the gripper assembly drives the sealed module to move to the reactor, thereby achieving real-time observation during remote operation.

The invention discloses an ingredient mixing device for CIPP-ultraviolet light curing repair material production, and particularly relates to the technical field of CIPP-ultraviolet light curing repair material.The ingredient mixing device comprises a shell, supporting frames are fixedly connected to the four corners of the lower end of the shell, and a stirring mechanism is arranged on the lower portion of the inner surface of the shell; the inner surfaces of the two circular cavities are jointly provided with a pretreatment assembly, and a premixing assembly is arranged above the stirring mechanism. According to the ingredient mixing device for production of the CIPP-ultraviolet curing repair material, the pretreatment assembly is arranged, a liquid resin material is subjected to layered swinging, scraping, runner conveying and converging mixing, and the problem that local aggregation or layered precipitation is prone to occurring due to viscosity and density differences caused by different types of liquid resin is solved; different types of liquid resins can firstly form independent thin layers, and then are gradually contacted and fused along a flowing path, so that full shearing and permeation among the liquid resins are realized, and the mixing uniformity of the liquid resins is improved.

The invention discloses a continuous reaction device and method for producing 2-amino-4-methylbenzothiazole, and belongs to the technical field of compound production. The invention relates to a continuous reaction device for producing 2-amino-4-methylbenzothiazole, which comprises a first-stage reaction kettle and further comprises a stirring mechanism arranged in the first-stage reaction kettle and used for stirring chlorine and a mixed solution in the first-stage reaction kettle; the driving mechanism is arranged at the top of the first-stage reaction kettle and is used for driving the stirring mechanism to perform stirring action in the first-stage reaction kettle; the chlorine injection mechanism is connected with the stirring mechanism; the air exhaust mechanism is arranged at the top of the first-stage reaction kettle and is connected with the driving mechanism; the multistage reaction kettles are adopted for continuous operation to eliminate downtime, so that the problem of low production efficiency caused by repeated heating and cooling due to the use of intermittent reaction kettles in the traditional process is solved, the chlorine utilization rate is improved, and the production and processing cost is effectively reduced.

The utility model provides a building type crushing and filling system which comprises a crushing building which is arranged to crush materials and convey the materials which are crushed to have preset granularity to a finished product warehouse building; the finished product warehouse building is provided with a finished product tank used for receiving the materials with the preset granularity, and a discharging opening of the finished product tank is communicated with a filling device; and the filling device is arranged to mix the material from the finished product tank with the mixed additive and then convey the mixed material to a goaf or an accident pool. According to the utility model, the layout of each device is more reasonable, and the occupied space is smaller; the integrated full-process continuous operation including material crushing and filling can be realized; and when maintenance and change are needed, assembly can be directly carried out by taking a building as a unit, so that the influence on other equipment is reduced.

The utility model discloses an SCR waste catalyst recovery device in the field of SCR waste catalyst recovery, which comprises a bottom plate, support rods and a reaction box, the support rods are fixedly connected to the edge positions of four corners of the top of the bottom plate, the reaction box is fixedly connected to the top ends of the support rods, a feed pipe is fixedly connected to the front part of the top of the reaction box, and the feed pipe is fixedly connected to the bottom of the bottom plate. According to the recovery device for the SCR waste catalyst, the waste catalyst is damaged, the size is reduced, the reaction area of the waste catalyst and a chemical agent is increased, the reaction rate is increased, meanwhile, a driving bevel gear is driven to rotate through starting of a first motor, the rotating directions of an upper driven bevel gear and a lower driven bevel gear are opposite, and therefore the waste catalyst is recycled. The rotating rod and the hollow pipe rotate in opposite directions, the first stirring rod and the second stirring rod are driven to rotate in opposite directions, reactants are stirred in different directions, a waste catalyst and a chemical agent are fully mixed, full reaction is facilitated, and insufficient reaction is prevented.

The invention discloses high-stability gravure ink and a preparation device thereof, and belongs to the technical field of printing materials, and the ink is prepared from polyurethane acrylate hybrid resin, phthalocyanine blue pigment, nano-zinc oxide dispersion, environment-friendly ester solvent, isopropanol and a plurality of auxiliaries according to a specific weight part ratio. The anti-settling property, the leveling property and the storage stability are excellent. The preparation device comprises an intelligent batching unit, a multi-stage efficient mixing and dispersing unit, a vacuum defoaming and curing unit and an online filtering and filling unit which are sequentially arranged in the material flow direction, and is integrally controlled by a central intelligent control system. According to the device, through the unique coaxial different-direction stirring assembly, ultrasonic-assisted dispersion and full-process automatic control, efficient, uniform and continuous production of printing ink is achieved, and the consistency of product quality and production efficiency are remarkably improved. The problems that traditional gravure ink is poor in stability, the production process is dispersed, and the traditional gravure ink depends on manpower are effectively solved.

The invention discloses a high-flux automatic chemical synthesis workstation, which relates to the technical field of chemical synthesis, and comprises a base, the base is detachably provided with a negative pressure suction filter, a magnetic stirring reactor, a high-flux chemical reaction module, a gun head box, a cover plate and a liquid storage tank, and the negative pressure suction filter and the magnetic stirring reactor can be replaced by other detection instruments. The cover plate is in lap joint with a screw, the base is further provided with a moving device, the moving device is provided with a button assembly, a clamping jaw assembly and a pipetting assembly, the pipetting assembly is used for pipetting, and the clamping jaw assembly drives the cover plate to the high-flux chemical reaction module for sealing. The sealing module is driven to the reactor through the clamping jaw assembly after being fastened through the fastening assembly, and real-time observation can be carried out during remote operation. By means of the technical scheme, it is guaranteed that high-throughput chemical synthesis experiments including pipetting, reaction system sealing, reaction starting, gradient dilution and suction filtration are completed in one work station.

Disclosed are various embodiments of an auger-style treatment tank equipped with instrumentation. In one embodiment, an auger treatment tank includes an auger configured to rotate within treatment liquid in the auger treatment tank. The auger includes an auger shaft and at least one auger flight coupled to and helically disposed about the auger shaft. The auger treatment tank also includes one or more sensors configured to provide data directly or indirectly indicating a torque transmitted to the auger to effect rotation.

The utility model relates to the technical field of microfluidics, and discloses a multi-stage micro-fluidic chip, which at least comprises a first-stage collision fluid channel and a second-stage collision fluid channel, and a mixing channel of the upper-stage fluid channel is arranged as a premixing fluid channel of the lower-stage fluid channel; the first-stage collision fluid channel comprises a first premixed fluid channel and a second premixed fluid channel, a first-stage fluid collision channel is arranged between the first premixed fluid channel and the second premixed fluid channel, and the first-stage fluid collision channel enters the second-stage premixed fluid channel after collision; a second-stage fluid collision channel is arranged between the third premixing fluid channel and the fourth premixing fluid channel, and the second-stage fluid collision channel enters the mixing channel after collision. The multi-stage micro-fluidic chip has the advantages of high mixing efficiency, low shear damage, easiness in integrated packaging and batch manufacturing and the like, and the micro-fluid mixing performance and the system practicability are remarkably improved.

A suspended-type smart painting apparatus for a building wall surface, comprising a support (1), a painting mechanism (2), a suspension and movement mechanism (3), a control mechanism (4), and a paint storage mechanism (5). The support (1) comprises a support main body (11), and an auxiliary support (12). The painting mechanism (2) comprises a support arm (21), a painting spray head (22), and a roller (23). The suspension and movement mechanism (3) comprises a reel (31), a horizontal plate (32), horizontal movement mechanisms (33) arranged at two ends of the horizontal plate (32), and a first motor (34). Each horizontal movement mechanism (33) comprises a roller wheel (331), a second motor (332), and a transmission gear (333). The control mechanism (4) comprises a microcontroller (42), an air pump (43), and a sensor group (41). The paint storage mechanism (5) comprises a storage drum (52), a one-way air valve (51), a stirring rod (53), an electromagnet array (56), and a paint outlet (57). The suspended-type smart painting apparatus for a building wall surface is reasonable in structure, has advantages such as being simple in structure, convenient to use, safe and reliable, and convenient to convey materials, and effectively solves the problem that painting high walls is unsafe.

An efficient multiphase-flow graded-separation, concentration, and purification system for argillaceous sandstone uranium ore includes a hydraulic tossing washing and scattering pretreatment device, a high-frequency linear vibration grading device, a first-stage multiphase-flow swirling grading device, an energy-gathering ultrasonic scrubbing device, a second-stage multiphase-flow swirling grading device, a high-frequency linear vibration dewatering device, an efficient uniform-mixing and activating system and a conditioning and pressing dewatering system. The present disclosure implements intensive mud-sand stripping of crushed argillaceous sandstone uranium ore, fine graded-separation of material, and efficient uniform-mixing and activating and deep efficient dewatering of fine-particle argillaceous material. Finally, four types of core material of coarse sand material, fine sand material, dry tailings residue and a high-concentration uranium ore leaching solution are formed through continuous work. Efficient multiphase-flow graded-separation, concentration and purification of the argillaceous sandstone uranium ore are implemented, and an intensive extraction rate of uranium ore resources is improved.

The invention discloses a continuous flow production method of high-purity chlorantraniliprole, and belongs to the technical field of chemical synthesis. The method comprises the following steps: simultaneously pumping a mixed solution containing 3-bromo-1-(3-chloro-2-pyridyl)-1H-pyrazole-5-formic acid, a solvent, an acid-binding agent and 2-amino-5-chloro-N, 3-dimethylbenzamide and a catalyst solution into a mixing unit of a continuous flow reactor I to form a reaction mixture flow; the material flow enters a continuous flow reactor I for condensation reaction to obtain a chlorantraniliprole solution; simultaneously pumping the mixed solution and a quenching agent solution into a continuous flow reactor II, and quenching to separate out crystals; and continuously centrifugally separating the quenching liquid containing the crystals, washing and drying to obtain a chlorantraniliprole refined product. According to the present invention, the full continuous flow process is adopted, the reaction unit and the post-treatment unit are included, the material continuously flows, and when the process is stable, the material composition, the temperature and other parameters in the reactor are only related to the reaction position and do not change with time, such that the production process and the product quality stability are ensured.

The invention belongs to the technical field of functional drinks, and provides oxygen-carrying nano bubble water and a preparation method thereof.The oxygen-carrying nano bubble water comprises water and nano-scale oxygen bubbles dispersed in the water, and the particle size of the nano-scale oxygen bubbles is distributed within the range of 10-200 nm; the content of dissolved oxygen in the water is 25-45 mg / L; the stable suspension time of the nanobubbles in water is not less than 1 week, and the gassing rate is lower than 10%. According to the invention, the solubility and stability of oxygen in water can be improved. By means of an innovative nano bubble technology, a plasma excitation technology, a bubble stability technology and the like, efficient, lasting and stable oxygen supplement can be provided for consumers, the requirements of the market for healthy drinks are met, and further development of an oxygen water technology is promoted.

The invention relates to a high-concentration breeding wastewater treatment method, which comprises the following steps of: enabling wastewater to sequentially pass through a coagulation area A, a flocculation area B and a biochemical area C, and respectively carrying out high-speed stirring coagulation, low-speed flocculation and microbiological treatment, so as to construct an integrated wastewater treatment system which is efficient, anti-blocking, compact and high in automation degree. The device comprises a wastewater tank, a multi-stage treatment assembly, a dosing box, a power distribution cabinet and a clear water tank, the multi-stage treatment assembly comprises a supporting frame, a multi-stage treatment box, an aeration assembly and a biological membrane assembly, a stirring assembly can fully stir wastewater, it is ensured that a coagulant and the wastewater are instantly and uniformly mixed, uniform micro-flocs are formed, and bottom sedimentation is avoided; secondly, a unique pulse aggregation environment is created in a microelectrode plate and stirring mode, destabilization and aggregation of colloidal particles can be promoted, and mild conditions are provided for growth and compaction of flocs; and finally, stable and rich microbial communities are formed for the biological membrane assembly, so that the wastewater treatment efficiency is improved.

The invention relates to the technical field of functional food, in particular to immune regulation type prebiotic syrup with synergy of galactomannan. The active components of the composite solid beverage are prepared from the following raw materials in percentage by weight: 20%-35% of fructo-oligosaccharide, 10%-18% of galactooligosaccharide, 8%-15% of stachyose, 3%-7% of xylooligosaccharide, 5%-12% of lactitol, 5%-10% of galactomannan, 2%-5% of yeast beta-glucan and 1%-3% of N-acetylglucosamine. The composition further comprises 4-8% of inulin and 3-6% of resistant dextrin as a matrix filling and slow-release carrier, and the sum of the weight percentages of all the active ingredients and the carrier is 100%. By remodeling intestinal microecology and inhibiting inflammation pathways, the intestinal inflammation state can be remarkably improved, expression of intestinal mucosa tight junction protein is promoted, and an innovative solution is provided for people suffering from chronic bowel diseases and immune imbalance.

The invention belongs to the technical field of river and lake water ecological restoration, and particularly discloses equipment and a method suitable for river and lake endogenous polluted sediment treatment, the equipment suitable for river and lake endogenous polluted sediment treatment comprises a material stirring unit and a curing granulation unit, the material stirring unit comprises a horizontal stirring machine box and is used for stirring and mixing raw materials, and the curing granulation unit is used for curing and granulating the raw materials; one side of the horizontal stirring machine box is connected with a loess spiral feeder, a bottom mud spiral feeder and a curing agent spiral feeder, and a loess crusher is connected between the loess spiral feeder and the horizontal stirring machine box. According to the method, the polluted bottom mud is efficiently converted into the ecological restoration matrix which is resistant to water flow scouring and stable in physical structure through a curing granulation process, the matrix can be directly applied to an underwater environment, and the core problem that existing ecological planting soil prepared through bottom mud recycling cannot be stabilized in a water area is solved; and a key matrix material is provided for in-situ construction of an underwater ecological system such as an underwater forest.

The present invention relates to a multistage series microreactor and a fluid mixing method. The microreactor includes a base internally etched with a fluid passage, the base being provided with a fluid inlet and a fluid outlet which are communicated with the fluid passage, where the fluid passage includes a plurality of micro mixing tanks, a jet port is formed at an inlet of the micro mixing tank, adjacent micro mixing tanks are connected by jet port at a contraction section, and a splayed flow baffle plate and a flow splitting column which are arranged corresponding to the jet port are provided in the micro mixing tank, the flow splitting column being arranged below the splayed flow baffle plate. By means of a jet manner, a fluid to be mixed in the invention can be continuously split, compounded, stretched and crushed, thereby realizing rapid mixing and efficient, continuous reaction.

The invention relates to the technical field of waste plastic treatment, in particular to a waste plastic grading carbonization device and a waste plastic treatment method. The waste plastic grading carbonization device comprises a feeding hopper, a crushing device, a grinding device, a screening device, a catalyst self-adaptive proportioning device, a first spiral discharging machine, a first-stage carbonization chamber, a second-stage carbonization chamber, an activation chamber, a second spiral discharging machine, a solid product collecting device, a liquefaction device, a liquefied product collecting device, a cooling water circulating device and a third spiral discharging machine, a material returning bin and a tail gas treatment device. According to the invention, through the collaborative innovation of'grading carbonization 'and'catalyst self-adaptive proportioning device', the problems of incomplete and non-uniform carbonization of the waste plastics, inadequate utilization of gas products and the like in the pyrolysis process of the waste plastics are solved, and an industrial feasible path is provided for chemical recovery of the waste plastics; the device is reasonable in overall structural design and high in treatment energy efficiency, and continuous, sufficient and efficient pyrolysis and high-value conversion of the waste plastics are achieved.

The invention relates to a micro-fluidic chip integrated with a pneumatic micro valve, a preparation method and a use method. The micro-fluidic chip comprises an interface gas layer, a thin film layer and a fluid layer, the film layer is arranged between the interface gas layer and the fluid layer; the thin film layer is provided with a plurality of concentration gradient control channels, each concentration gradient control channel comprises a dilution inlet, a pneumatic micro-valve array, an observation area and an outlet which are connected in sequence, liquid enters the concentration gradient control channels through the dilution inlets, enters the flow channels provided with the pneumatic micro-valve arrays through the fishbone-shaped mixing micro-channels, and enters the flow channels through the fishbone-shaped mixing micro-channels; pneumatic micro valves in the pneumatic micro valve array are controlled through the interface gas layer so as to realize dynamic regulation and control of concentration gradients, and the fluid layer is used for accommodating dilution liquids with different concentration gradients; the observation area is used for observing diluted liquid in the fluid layer. The technical problem of real-time reconstruction of the concentration gradient of the micro-fluidic chip in the experiment process is solved, and the dynamic experiment requirements of scenes such as cell migration observation and drug time-varying response are met.

The invention discloses a blending method of a copper plating bearing agent, which comprises a blending device, and the blending device is provided with a structure for simultaneously starting multiple powers with a stirring structure for a feeding port and is used for blending the copper plating bearing agent; the method comprises the following steps: raw material pretreatment, device debugging, step-by-step feeding, and starting of a multi-power structure by a filter screen plate. And the concentration is finely adjusted until the concentration of the copper plating bearing agent reaches the standard, and qualified mixed liquid is guided out. By adopting the method, the adding uniformity of the copper sulfate pentahydrate powder and the overall blending efficiency are improved, accurate blending of the copper plating bearing agent is guaranteed, and accurate control over the concentration of the copper plating bearing agent can be achieved through step-by-step input, medium-term sampling detection and fine adjustment.

The utility model discloses a sewage odor treatment system which is characterized in that a sewage filter material centrifugal machine comprises a centrifugal mounting platform, the downstream of the centrifugal mounting platform is connected with a sewage liquid storage tank, a liquid outlet is communicated with the sewage liquid storage tank, and a sewage conveying pipe for conveying sewage to an odor tank is arranged at the bottom of the sewage liquid storage tank; an odor inlet pipeline of the odor tank is communicated with the exhaust pipe, an odor outlet pipeline at the top of the odor tank is communicated with an air inlet pipe of the absorption tower, the proportioning device comprises a chemical box body, a water box body and a mixing box, the chemical box body and the water box body are respectively communicated with the mixing box through connecting pipes, and a drain pipe on the mixing box is communicated with a spraying device of the absorption tower; a main discharge pipe at the bottom of the absorption tower is obliquely arranged downwards and is communicated with a liquid return pool, and treatment pipelines are arranged on the liquid return pool and the odor tank; the treatment system can be used for separating flocculates in sewage, effectively removing the diffusion of odor, ensuring the accurate proportioning of a deodorant, improving the proportioning efficiency and fully mixing and deodorizing the odor, and is simple in structure and capable of improving the deodorization efficiency.