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42results about How to "Will not affect subsequent use" patented technology

Endoscopic disinfection device for otolaryngological department

The invention discloses an endoscopic disinfection device for the otolaryngological department. The endoscopic disinfection device comprises a shell, a sealing door is hinged to the side face of the shell, the middle of the sealing door is provided with a transparent observation window, the side face of the shell is provided with a control panel, an inner cavity of the shell is divided into a sterilizing room, a cleaning room and a storage room from top to bottom through a first partition plate and a second partition plate, the surface of the second partition plate and the surface of a sliding plate located in the cleaning room are high in the middle and low on the two sides, the bottom of the shell is provided with an equipment mounting cavity, the equipment mounting cavity is provided with a drive motor, a warm air machine and a liquid storage tank, and the liquid storage tank is internally provided with a booster pump; a control panel is electrically connected with the drive motor, the warm air machine and the booster pump. By means of the endoscopic disinfection device, heating sterilization or ultrasonic sterilization can be selected for endoscopes which are difficult to sterilize thoroughly according to requirements, or heating sterilization and ultrasonic sterilization are combined to conduct sterilization, and sterilization is made to be more thorough; sterilization waste water can be drained through water leakage tanks and cleaning spray heads, meanwhile disinfectant can be cleaned away, and subsequent use cannot be affected.
Owner:徐建华

Carbon dioxide-propylene oxide copolymer composition

The invention provides a carbon dioxide-propylene oxide copolymer composition comprising the following components: 80 to 97 parts by weight of carbon dioxide-propylene oxide copolymer, 1 to 15 parts by weight of polybutylene succinate, 0.5 to 3.0 parts by weight of inorganic filler, 0.5 to 5 parts by weight of lubricant and 0.5 to 2 parts by weight of heat stabilizer, wherein the number-average molecular weight of the polybutylene succinate is less than 10000. In the process of component blending, the PBS (Polybutylene Succinate) with the number-average molecular weight less than 10000, the inorganic filler, the lubricant and the stabilizer form a core-shell structure on surfaces of PPC (Poly(Propylene Carbonate)) particles so as to isolate the PPC so that the PPC particles can not adhere to agglomerate, is convenient for storage and transport and can not affect the subsequent use. Experiments show that the phenomena of adhesion and agglomeration of the PPC composition provided by the invention do not occur when the PPC composition is placed in a constant temperature oven of 75 DEG C for 24h.
Owner:CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI

Double-well closed circular downhole thermoelectric power generation system and method

The invention relates to a double-well closed circular downhole thermoelectric power generation system and method. The system includes an A shaft, a B shaft, a fluid circulation module and an electrical energy delivery module, wherein the A shaft and the B shaft penetrate through a same stratum at the same time. The A shaft includes an A shaft casing pipe, an A shaft oil tube and an A shaft thermoelectric power generation module. The B shaft includes a B shaft casing pipe, a B shaft oil tube and a B shaft thermoelectric power generation module. Perforation segments are arranged on the A shaftcasing pipe and the B shaft casing pipe respectively. An A shaft oil jacket annular flow passage is formed in the space between the A shaft casing pipe and the A shaft thermoelectric power generationmodule; an A shaft oil tube flow passage is formed in the internal space of the A shaft oil tube. A B shaft oil jacket annular flow passage is formed in the space between the B shaft casing pipe and the B shaft oil tube; a B shaft oil tube flow passage is formed in the internal space of the B shaft oil tube on the inner side of the B shaft thermoelectric power generation module. According to the system and method, stable power supply can be provided, medium and low temperature geothermal resources can be fully utilized, and subsequent utilization of produced fluid cannot be affected.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Portable detaching tool for round pin of connection rod of outdoor disconnecting switch for electric power and electric network high voltage

The invention discloses a portable detaching tool for a round pin of a connection rod of an outdoor disconnecting switch for electric power and electric network high voltage. The tool comprises a positioning body (1), an oil tank (2), an energy supply oil cylinder assembly (3), a connecting device (4), the connection rod (5), an output oil cylinder assembly (6), a loop oil pipe (7), a supporting piece (8) and a hydraulic handle (9). The tool is simple in structure, achieves detaching of the round pin through cooperation of multiple oil cylinders, and is compact in structure and low in mass as a whole, and the online operation is convenient and safe; the tool can detach shaft pins of different diameters, thereby being high in applicability and meeting different construction requirements; the tool is stable in application, the round pin is detached through pressure of the oil cylinders, deformation vibration of surrounding parts is avoided, and the subsequent application of the disconnecting switch is not affected; a shaft pin recovery space is provided, that is, after being detached, the round pin is directly recovered by the tool instead of falling off randomly; and the tool can meet the requirement for detaching under different situations.
Owner:徐州拓发电力器材有限公司

Beverage vending machine with recycling function

The invention relates to a beverage vending machine with a recycling function. The vending machine comprises a vending machine cabinet, a beverage bottle recycling cabinet, a goods taking cover plate,a beverage bottle recycling box, a visual recognition unit and a movable plate. A control panel and a payment code are arranged on the beverage recycling cabinet; the number of beverage bottles put into the beverage bottle recycling cabinet is recognized through the visual recognition unit. Calculation is carried out when a user scans the payment code, the price of the purchased beverage is discounted in real time, after payment, a consumer needs to open the goods taking cover plate to take the beverage, the consumer pulls the goods taking cover plate upwards through a handle, a first connecting rod drives a rotating shaft to rotate, a second connecting rod is driven to drive the movable plate to move downwards, the beverage bottles fall into the beverage bottle recycling box under the action of gravity, automatic recycling of the beverage bottles is achieved, the goods taking cover plate falls under the action of gravity to drive the movable plate to reset after goods taking is completed, the drunk beverage bottles can be recycled conveniently, and selling of the beverage vending machine is promoted.
Owner:王强

U-shaped tube heat exchange closed type circulating underground thermoelectric generation system and method

The invention relates to a U-shaped tube heat exchange closed type circulating underground thermoelectric generation system and method. The system comprises a shaft, a fluid circulating module and anelectric energy output module, wherein the shaft comprises a sleeve, an oil tube, a thermoelectric generation module, a cold fluid injection tube and a U-shaped tube heat exchanger; the part, on a production layer, of the sleeve is provided with a perforation section; an oil sleeve annulus flowing channel is formed in a space between the inner wall of the sleeve and the outer wall of the thermoelectric generation module; an oil tube flowing channel is formed in the inner space of the oil tube; the cold fluid injection tube is arranged in the oil sleeve annulus flowing channel or the oil tube flowing channel; and the fluid circulating module comprises a cold fluid injecting pipeline, a cold fluid injecting pump, a cold fluid flow-out pipeline, a cold fluid storage container, a cold fluid flow-in pipeline, a hot fluid utilization module, an oil sleeve annulus return fluid flowing pipeline and an oil tube return fluid flowing pipeline. The U-shaped tube heat exchange closed type circulating underground thermoelectric generation system can realize heat removing to generate power without removing water, provides stable electric energy supply, and does not affect follow-up utilization ofheat exchange fluid.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Multi-clean-energy combined type energy-saving electric power storage municipal pavilion

InactiveCN113756614ATake advantage ofMake full use of wind energy to generate electricityBatteries circuit arrangementsPV power plantsConvertersProcess engineering
The invention relates to the field of municipal parks, in particular to a multi-clean-energy combined type energy-saving electric power storage municipal pavilion which comprises a bottom plate, supporting columns, trapezoidal plates, sealing plates and the like. Two pairs of supporting columns are connected to the top of the bottom plate, a trapezoidal plate is connected between the same pair of supporting columns, and the sealing plate is connected to the trapezoidal plate. Through cooperation of internal parts of the equipment, in a sunny day, sunlight can irradiate on a photovoltaic panel, so that an electric energy converter can convert solar energy into electric energy, wind can blow wind power fan blades, the electric energy converter can convert wind energy into electric energy, and in a rainy day, the equipment can also utilize wind energy to generate electricity; and meanwhile, the equipment can generate power by utilizing water energy generated by rainwater, and the storage battery can store the electric energy so as to provide the electric energy for environment illumination in the municipal park at night, so that various clean energy sources can be utilized to generate power, sustainable development is facilitated, and the effect of fully utilizing the various clean energy sources to generate power is achieved.
Owner:黄泽龙

Working method of automatic gravel loading and carrying device for construction site

The invention relates to the technical field of construction devices, in particular to a working method of an automatic gravel loading and carrying device for a construction site. The device comprisesa chassis and a traveling mechanism, wherein the traveling mechanism is arranged at the bottom of the chassis so as to drive the chassis to move, and the traveling mechanism comprises a traveling assembly and a steering assembly; the device further comprises a camera, a controller, a grabbing mechanism and a collecting mechanism, wherein the controller is fixedly arranged at the top of the chassis, the grabbing mechanism is arranged at the top of the chassis and used for grabbing gravel, and the grabbing mechanism comprises a driving assembly, a rotating assembly and two buckets; and the camera, the traveling assembly, the steering assembly, the driving assembly, the rotating assembly, two adsorption assemblies and four LED lamps are electrically connected with the controller. According to the automatic gravel loading and carrying device for the construction site and the working method of the automatic gravel loading and carrying device for the construction site, the gravel leakage can be effectively avoided, and meanwhile, dust and gravel are effectively separated and separately collected; and the pollution is relatively small, and frequent cleaning is not needed.
Owner:时光

Atomization inhaler cleaning device for elderly patient

The invention relates to the technical field of medical devices, in particular to an atomization inhaler cleaning device for an elderly patient. The cleaning device comprises a circular support frame, a support cylinder, a perforated support frame, an air pump and the like. The upper portion of the circular supporting frame is connected with a supporting cylinder by bolts, the lower portion of the supporting cylinder is connected with a perforated supporting frame by bolts, and the perforated supporting frame is fixedly connected with the air pump. Through cooperation of an arc-shaped aeration plate and devices on the arc-shaped aeration plate, gas is discharged upwards through the arc-shaped aeration plate, and therefore bubbles are continuously emitted through a supporting net frame; stains on the inner side of a mask can be cleaned up under the scouring action of the bubbles and water, and meanwhile the arc-shaped aeration plate and the devices on the arc-shaped aeration plate can be rotated; the bubbles can be in full contact with the inner side of the mask; and the effect of efficiently cleaning the mask of the atomization inhaler is achieved.
Owner:SECOND MEDICAL CENT OF CHINESE PLA GENERAL HOSPITAL

Deviation-rectifying feeding device of ultrasonic self-deviation-rectifying slitter

The invention discloses a deviation-rectifying feeding device of an ultrasonic self-deviation-rectifying slitter. The deviation-rectifying feeding device is arranged between a left deviation-rectifying plate and a right deviation-rectifying plate, and comprises a feeding module and a deviation-rectifying module, wherein the feeding module comprises an inflatable shaft for winding a coiled materialand two deviation-rectifying guide rollers for tightening the coiled material, and the coiled material is led out of the inflatable shaft and then wound around the lower surface of the first deviation-rectifying guide roller at the lower position and the upper surface of the second deviation-rectifying guide roller at the upper position sequentially; the deviation-rectifying module comprises a deviation correcting motor, a sensor assembly, a photoelectric assembly, deviation-rectifying plate pull rods and a wallboard pull rod, wherein the sensor assembly is arranged at the front end of the coiled material and comprises a sensor fixing shaft, a sensor fixing frame and a sensor, and the photoelectric assembly is arranged at the rear end of the coiled material and comprises a sliding plate,photoelectric sliding rails and an electric eye; and according to the deviation-rectifying feeding device of the ultrasonic self-deviation-rectifying slitter, feeding and deviation-rectifying of the coil material are integrated, and the problems that the coiled material is easy to deviate and the slitting efficiency is low are solved.
Owner:LUOYANG INST OF SCI & TECH

Detection system and mixer

The invention belongs to the electrical appliance field and provides a detection system. The detection system is applied to a stirring-class product with a stirring cutter; the detection system comprises an induction device and a detection circuit; the induction device can generate an inducted magnetic field; the parameters of the induced magnetic field are in a stable numerical value range when the cutter works normally; the working state of the cutter changes when the cutter displaces, deforms, or even is fractured, and the parameters of the induced magnetic field also change; induction signals are outputted to the detection circuit; the detection circuit processes the induction signals and outputs detection signals, wherein the detection signals reflect the current working state of thecutter; and when the signals are inconsistent with a preset signal state which appears when the cutter works normally, it can be accurately judged that an abnormality occurs on the cutter, and a usercan perform subsequent processing. With the detection system adopted, the user know the abnormality of the cutter immediately when the cutter is working abnormally, and therefore, follow-up use is notaffected, and potential safety hazards can be effectively avoided.
Owner:宁波拓邦智能控制有限公司

Anti-static peelable protective glue composition and preparation method thereof

The invention discloses a preparation and use method of graphene / ZnO synergistic anti-static peelable protective glue. The graphene / ZnO synergistic anti-static peelable protective glue is prepared from film-forming resin, solvent, thickening agent, anti-settling agent, coupling agent, leveling agent, defoaming agent, stripping agent, graphene and ZnO. During use, the needed product is coated withthe glue by means of dip coating, spray coating and brush coating, a peelable anti-static protective layer is formed after natural drying or low-temperature drying is conducted, and anti-static and protective effects are achieved. The preparation and use method of the graphene / ZnO synergistic anti-static peelable protective glue has the advantages that the peelable anti-static liquid film-formingglue is prepared and applicable to a printed circuit board, and the defects are overcome that according to the printed circuit board, static electricity is likely to accumulate in the transportation and storage process, short circuit is likely to occur in the use process as a large amount of dust is adsorbed, a series of hazards are likely to occur when the static electricity accumulates to a certain degree and a heavy loss is caused.
Owner:晋江瑞碧科技有限公司 +1

Battery, electronic equipment and charging method of battery

The invention discloses a battery, an electronic device and a charging method of the battery, when it is determined that a charging strategy needs to be updated, the charging cut-off voltage and the charging rate of each charging stage in the current charging process can be determined, so that the battery can be charged based on the determined charging cut-off voltage and the charging rate, and the charging efficiency of the battery is improved. The charging strategy is adjusted and updated; therefore, the nondestructive analysis of the battery can be realized by virtue of the result of the cyclic voltammetry test, the operation is simple, the subsequent use of the battery is not influenced, and meanwhile, the charging strategy can be adjusted and updated in time, so that the use safety of the battery is effectively improved.
Owner:CALB CO LTD

A power board temperature rise test device

The invention relates to a temperature rise test device for a power board, comprising a thermocouple, a workbench, a support frame that is arranged on the workbench and can be placed above the power board to be tested, and a mounting seat for fixing the thermocouple, and the support frame A guide hole is provided on the top, and the mounting seat can be slidably installed in the guide hole, and the mounting seat can move up and down relative to the support frame so that the thermocouple is against the temperature rise test position of the component to be tested. The temperature rise test device of the power board realizes the contact with the parts to be tested through the up and down adjustment of the mounting base, which effectively ensures the tightness of the contact between the thermocouple and the parts to be tested, and ensures that it can truly reflect the temperature of the parts to be tested during the test. Temperature rise data for components. And in the process of operation, there is no need to fix and paste the thermocouple on the parts to be tested, the operation is simple and fast, and the work efficiency is high. And the separation between the thermocouple and the parts to be tested is convenient, and will not affect subsequent use.
Owner:NINGBO FOTILE KITCHEN WARE CO LTD

Reaction Modules for Pipeline Gas-Solid Reactors

The present invention discloses a reaction module used for a pipeline type gas-solid phase reactor, one end of the reaction module is provided with a male plug connector, the other end of the reaction module is provided with a female sleeve coupling, a reaction module pipe cavity between the male plug connector and the female sleeve coupling is a reactant accommodating chamber, a gas inlet and a gas outlet of the reactant accommodating chamber are respectively provided with a gas distribution plate; and along the reaction module axis direction, a connecting piece and a connected piece of a fastening connection member are respectively arranged on the outer periphery of the female sleeve coupling and the outer periphery of the reaction module near the male plug connector. The reaction module used for the pipeline type gas-solid phase reactor can further enhance use conveniences of the gas-solid phase reactor industrial production, significantly reduce the loading and unloading cycle of a solid phase reactant or catalyst particles, and improves the application range of the gas-solid phase reactor.
Owner:李劲 +1

A beverage vending machine with recycling function

The invention relates to a beverage vending machine with recovery function, which comprises a vending machine cabinet, a beverage bottle recycling cabinet, a pick-up cover, a beverage bottle recycling box, a visual recognition unit, and a movable board. The beverage recycling cabinet is provided with a control panel, payment Code, through the visual recognition unit to identify the number of beverage bottles put into the beverage bottle recycling cabinet, calculate when the user scans the payment code, and provide real-time discounts on the purchase price of beverages, after the consumer pays, he needs to open the pick-up cover to pick it up For beverages, the consumer pulls the pick-up cover upwards by the handle, the first connecting rod drives the rotating shaft to rotate, and then drives the second connecting rod to drive the movable plate to move downwards, and the beverage bottle falls into the beverage bottle recycling box under the action of gravity, realizing beverage recycling. The automatic recovery of bottles, after picking up the goods, the cover plate falls under the action of gravity to drive the movable plate to reset, which not only facilitates the recovery of drinking beverage bottles, but also promotes the sales of beverage vending machines.
Owner:王强

Axial Heat Exchange Closed Circulation Downhole Thermoelectric Power Generation System and Method

The invention relates to a shaft type heat exchange closed circulation underground thermoelectric power generation system and method. The system comprises a shaft, a fluid circulating module and an electric energy output module. The shaft comprises a sleeve, an oil pipe, a thermoelectric power generation module, a cold fluid injecting pipe and a liquid collecting pipe. The oil pipe is sealed on the inner wall of the sleeve through crossing through a packer; and a through oil pipe plug is arranged at the bottom of the oil pipe. An oil sleeve annular flowing channel is formed in space between the inner wall of the sleeve and the outer wall of the thermoelectric power generation module. An oil pipe flowing channel is formed in internal space of the oil pipe. The cold fluid injecting pipe is arranged in the oil sleeve annular flowing channel or the oil pipe flowing channel. The fluid circulating module comprises a cold fluid injecting pipeline, a cold fluid injecting pump, a cold fluid flowing-out pipeline, a cold fluid storage container, a cold fluid flowing-in pipeline, a hot fluid utilization module, an oil sleeve annular return fluid flowing pipeline and an oil pipe return fluid flowing pipeline. The system can realize thermal power generation without water, provides stable electric energy supply, and cannot influence subsequent utilization of heat exchange fluids.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Tree leaf pruning device

The invention discloses a tree leaf pruning device which comprises a round hole I, a connecting plate I, a blade I, a supporting column I, a supporting column II, a round hole II, a connecting plate II and a blade II, the round hole I is fixedly arranged on the connecting plate I, the blade I is arranged on the back surface of the connecting plate I, the supporting column I and the supporting column II are arranged in the middle of the connecting plate I and the connecting plate II, the round hole II is fixedly arranged on the connecting plate II, the blade II is installed on the back surfaceof the connecting plate II, and a layer of plastic is adhered to the surface of the round hole I and the round hole II, people may not hurt fingers when scissors are used by the people, a plurality ofsawteeth do not appear on the blade surface of the scissors after being used for a period of time, the subsequent use of the scissors cannot be influenced, the frequency of replacing a new pruning shear is reduced, and the production cost is effectively reduced.
Owner:徐州中森智能装备有限公司

Power grid high voltage outdoor isolating switch connecting rod cylindrical pin removal portable tool

The invention discloses a portable detaching tool for a round pin of a connection rod of an outdoor disconnecting switch for electric power and electric network high voltage. The tool comprises a positioning body (1), an oil tank (2), an energy supply oil cylinder assembly (3), a connecting device (4), the connection rod (5), an output oil cylinder assembly (6), a loop oil pipe (7), a supporting piece (8) and a hydraulic handle (9). The tool is simple in structure, achieves detaching of the round pin through cooperation of multiple oil cylinders, and is compact in structure and low in mass as a whole, and the online operation is convenient and safe; the tool can detach shaft pins of different diameters, thereby being high in applicability and meeting different construction requirements; the tool is stable in application, the round pin is detached through pressure of the oil cylinders, deformation vibration of surrounding parts is avoided, and the subsequent application of the disconnecting switch is not affected; a shaft pin recovery space is provided, that is, after being detached, the round pin is directly recovered by the tool instead of falling off randomly; and the tool can meet the requirement for detaching under different situations.
Owner:徐州拓发电力器材有限公司

Height limiting rivet

The invention discloses a height limiting rivet. The height limiting rivet comprises a rivet body and a rivet core, wherein a rivet body head is arranged at the top end of the rivet body, an inclinedplane is arranged at the bottom of the rivet body, a rivet body rod is arranged outside the rivet body, a convex body is arranged above the inner wall of a rivet body hole, and a groove is formed in the upper portion of the outer wall of the rivet body rod; and a breakage rod is arranged at the top of a breakage groove, an oblique angle piece is fixedly installed at the top of the breakage rod, arivet core rod is arranged at the bottom of the rivet core, a connection mode between the rivet body and the rivet core is simple, a riveting process can be achieved without too complex operation tools, the riveting process is simpler and more convenient, the labor burden of workers is reduced, the blind rivet head is low after the rivet body and the rivet core are riveted, and the situation thatthe height of the rivet is so high as to influence subsequent use is avoided, so that the rivet has better convenience and is more convenient for people to use.
Owner:WUXI ANSHIDA HARDWARE

Safety door lock and dish washing machine with same

The invention discloses a safety door lock and a dish washing machine with the safety door lock. A latch arm, a limiting block and a driving assembly are arranged in the door lock. The limiting block is located on the outer side of the latch arm, and the driving assembly is used for driving the limiting block. When the door lock is in a non-locking state, a distance is kept between the limiting block and the latch arm, and the latch arm freely moves; and when the door lock is in a locked state, the limiting block is close to or abuts against the latch arm to limit free movement of the latch arm. The safety door lock can ensure that household appliances (such as a dish-washing machine) are in a safe state that the door is not easy to open when necessary, and meanwhile, ensures that the good door opening and closing experience of customers is not influenced. If the safety door lock is in a locked state, even if the door needs to be opened under special conditions (such as power failure in emergency), the door of the dish-washing machine can be forcibly opened without damaging the door lock. In addition, the safety door lock and the dish washing machine with the safety door lock can feed back the locking state of the safety door lock.
Owner:瀚乐电子机械(南京)有限公司

Control circuit and control method for zinc-silver reserve battery activation circuit resistor

ActiveCN112216881AActivation principle unchangedActivation reliability has no effectSilver accumulatorsBatteries circuit arrangementsControl theoryControl circuit
The invention discloses a control circuit and a control method for an activation circuit resistor of a zinc-silver reserve battery, and belongs to the technical field of zinc-silver reserve batteries.The control circuit for the activation circuit resistor of the zinc-silver reserve battery comprises an activation circuit formed by connecting an activation power supply, a gas generator and an activation switch in series; the circuit is characterized in that a time-delay relay and an initiating explosive device current-limiting resistor are connected in series in the activation circuit; the resistance value of the initiating explosive device current-limiting resistor is 9.5 ohm + / -5%, and the activation power supply is a 28V + / -3.5 V direct-current power supply. By the adoption of the technical scheme, on the basis that the zinc-silver reserve battery pack can be reliably activated, the zinc-silver reserve battery pack has the advantages of being reasonable in structure, convenient to manufacture and install and low in cost.
Owner:CHINA ELECTRONIC TECH GRP CORP NO 18 RES INST

Control method, intelligent terminal and storage medium

The invention provides a control method, an intelligent terminal and a storage medium. According to the technical scheme, a first instruction is received, and an operation indicated by the first instruction is executed on an intelligent terminal; when the operation system is in the control mode, the intelligent terminal outputs first operation content according to the operation indicated by the first instruction; and / or when the operation system is not in the control mode, the intelligent terminal outputs second operation content according to the operation indicated by the first instruction. According to the technical scheme provided by the invention, by setting the control mode of the operating system, a user cannot install a new application program and / or delete the application program when using the intelligent terminal, so that the user can effectively control the intelligent terminal while enjoying all functions of the intelligent terminal, and subsequent use is not influenced by misoperation of the user.
Owner:SHENZHEN TRANSSION HLDG CO LTD

Method for reducing COD (Chemical Oxygen Demand) and total salt in wastewater in azo pigment preparation

The invention discloses a method for reducing wastewater COD (Chemical Oxygen Demand) and total salt in azo pigment preparation, and relates to the technical field of pigment preparation. The preparation method comprises the following steps: 1, diazotization: adding industrial water into a reaction container with temperature control and stirring functions, controlling the temperature of the industrial water to be 0-5 DEG C, then adding a diazotization reactant into the reaction container, stirring, and after the diazotization reactant is completely dissolved, slowly adding a sodium nitrite aqueous solution into the reaction container at 0-5 DEG C; according to the method, the pH value of the coupling reaction in synthesis is controlled, so that more acid does not need to be added in the coupling reaction process, the content of COD (Chemical Oxygen Demand) and total salt in wastewater generated in azo pigment preparation can be effectively controlled, and meanwhile, the prepared azo pigment preparation waste liquid is still weakly acidic and can be repeatedly utilized; and by adding the polar surfactant, the surface of the prepared azo pigment still has better brightness, and the subsequent use is not influenced.
Owner:江西隆源化工股份有限公司

Reaction module used for pipeline type gas-solid phase reactor

The present invention discloses a reaction module used for a pipeline type gas-solid phase reactor, one end of the reaction module is provided with a male plug connector, the other end of the reaction module is provided with a female sleeve coupling, a reaction module pipe cavity between the male plug connector and the female sleeve coupling is a reactant accommodating chamber, a gas inlet and a gas outlet of the reactant accommodating chamber are respectively provided with a gas distribution plate; and along the reaction module axis direction, a connecting piece and a connected piece of a fastening connection member are respectively arranged on the outer periphery of the female sleeve coupling and the outer periphery of the reaction module near the male plug connector. The reaction module used for the pipeline type gas-solid phase reactor can further enhance use conveniences of the gas-solid phase reactor industrial production, significantly reduce the loading and unloading cycle of a solid phase reactant or catalyst particles, and improves the application range of the gas-solid phase reactor.
Owner:李劲 +1

Silver-loaded floating beads, and preparation and application of silver-loaded floating beads in adsorption of reduced elemental mercury in desulfurization slurry

The invention relates to silver-loaded floating beads, and preparation and application of the silver-loaded floating beads to adsorption of reduced elemental mercury in desulfurization slurry, and belongs to the field of coal-fired flue gas mercury removal. The preparation method of the silver-loaded floating bead comprises the following steps: dissolving ammonia-soluble salt of silver in ammoniawater to obtain a silver-ammonia solution; dipping the floating beads into the obtained silver-ammonia solution, so that the silver-ammonia solution is loaded on the surfaces of the floating beads; and drying the obtained floating beads with the surfaces loaded with the silver-ammonia solution, and then carrying out heating activation in an inert atmosphere, the heating activation being carried out under a dark condition, so that elemental silver is uniformly loaded on the surfaces of the floating beads, and the silver-loaded floating beads are obtained. According to the preparation method, elemental silver is uniformly loaded on the surfaces of the floating beads, reduced elemental mercury in the desulfurization wastewater can be adsorbed, the silver-loaded floating beads are large in buoyancy and good in wear resistance and can exist in the desulfurization wastewater for a long time, and the subsequent recovery method is simple. The silver-loaded floating beads adsorbing elemental mercury can be recycled, so that the cost is relatively low.
Owner:HUAZHONG UNIV OF SCI & TECH
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