Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

59results about How to "Solve production bottlenecks" patented technology

Avian influenza virus inactivated vaccine and preparation method thereof

The invention discloses an avian influenza virus inactivated vaccine and a preparation method thereof. Adaptive avian influenza viruses are adaptive to screening and domestication of a continuous cell line, and after the viruses are adaptive to cells, the number of the viruses is continuously increased until the viruses are inoculated into a cell culture bottle or a bioreactor to culture. After the obtained culture is inactivated, the obtained culture and mineral oil adjuvant are mixed and emulsified so as to prepare the vaccine. A virus reproduction method for producing an avian vaccine by means of utilizing a large quantity of chicken embryo is omitted, resource consumption is reduced, environmental pollution is decreased, biosafety is guaranteed, cost is lowered, and production efficiency is improved. By the aid of the preparation method, high-potency viruses can be produced to prepare corresponding vaccines, and requirements of fast and high-efficient vaccine production are met.
Owner:SINOPHARM YANGZHOU VAC BIOLOGICAL ENG CO LTD +1

Welding method for box type part of air intake machine

The invention provides a welding method for a box type part of an air intake machine, and belongs to the technical field of repair of engines. The welding method comprises the following steps of (1) performing dye check at a crack part; (2) detaching blades with variable camber, support plates requiring repair welding, and a fixing screw cap at the boss part of the adjacent support plates; (3) processing a heat conduction copper sleeve, and installing on a box support seat of the air intake machine; (4) punching a hole in the tail end of the crack, and stopping the development of the crack; (5) using acetone to flush, degreasing the crack, and using alcohol for dewatering; (6) respectively arranging heat conduction copper blocks of a workpiece sleeve on mounting holes of the support seat requiring the repair welding, and performing argon arc electric welding on the crack; (7) performing the dye check on the repair welding part, wherein when the dye does not display, the box type part can be used. The welding method has the advantages that the repair quality and cycle of the engine are guaranteed; the repair cost is reduced, the value is created, and the application prospect is very broad; meanwhile, the process can be applied to similar machine parts, and the potential economic benefits are inestimable.
Owner:SHENYANG LIMING AERO-ENGINE GROUP CORPORATION

Full automatic ultrasonic welding machine for plastic pen

The invention discloses a full automatic ultrasonic welding machine for a plastic pen. The full automatic ultrasonic welding machine for the plastic pen comprises a mounting rack, an ultrasonic generator, energy converters and energy converter guide rail brackets, wherein an energy converter sliding power mechanism is arranged on the energy converter guide rail brackets; the symmetric center position of the two energy converter guide rail brackets is provided with a welding mechanism for two ends of the plastic pen; the welding mechanism for two ends of the plastic pen comprises a one-by-one pen feeding mechanism, a delivery mechanism, a plastic pen clamping welding mechanism and a pen arranging mechanism; the plastic pen clamping welding mechanism comprises a lower mould, an upper mould, and a power mechanism for joining and separating the moulds; the lower mould and the upper mould are correspondingly provided with a plurality of mould dents matched with the plastic pen; and the left side and the right side of the joint position of the lower mould and the upper mould, and the left ultrasonic welding head and the right ultrasonic welding head which are arranged on the left energy converter and the right energy converter are oppositely arranged in a matching way. The full automatic ultrasonic welding machine for the plastic pen has the advantages of high work efficiency and beautiful weld appearance.
Owner:WENZHOU DONGFENG JINGGONG ELECTRONICS INSTR FACTORY

Mechanical Chinese milk vetch seed harvesting method and device

ActiveCN103348823ASimplify the harvesting processAchieve mechanizationMowersBottle neckPromotion effect
The invention discloses a mechanical Chinese milk vetch seed harvesting method and device. The method comprises the following steps: cleaning ditches and draining in a field; adjusting a harvester; cleaning sundries in the field; and harvesting the Chinese milk vetch in the field. The device comprises a fan, a double-deck vibrating screen, a reel, a cutter, an auger and a header, wherein the air quantity of a fan of a whole-feed rice combine is 6-9 m / s; the inclination angle of an upper screen of the double-deck vibrating screen and a horizontal plane clamp form an angle of 3-5 degrees; the distance from reel teeth of the reel to the cutter does not exceed 15 cm; the rotation speed of the reel is 10-15 r / min; the inclination angle of the unisexual reel teeth on the reel tilts backwards and forms an included angle of 5-15 degrees with the perpendicular line; the distance between the cutter and the auger does not exceed 15 cm; the cutter is 5 cm above the ground. According to the method and the device, the Chinese milk vetch can be harvested by using the conventional harvester through continuous testing and adjustment, the problem of bottle neck of seed production in southern rice area green manure crop production and utilization development is solved, a direct promotion effect on green manure development which is arisen in China again is achieved, and the incomes of Chinese milk vetch seed reserving farmers are improved; the method and the device have great application and promotion value.
Owner:HUNAN SOIL & FERTILIZER INST

Housing of multichannel speed sensor mounted at locomotive axle end

The invention discloses a housing of multichannel speed sensor mounted at locomotive axle end. The casing includes an integral sensing head external casing, a printed board component, and a printed board component fixing piece. The integral sensing head external casing includes a cylinder main body which has an enclosed head portion and a middle portion and a tail end, and the middle portion is a cavity for receiving the printed board component and the tail end is provided with a positioning circular ring. The positioning circular ring is provided with a raised portion or a recessed groove, and correspondingly the printed board component fixing piece is provided with a recessed groove or a raised portion. The printed board component sleeves on the circular ring at the rear end of the cylinder main body. The recessed groove or the raised portion on the printed board component fixing piece accepts or is inserted to the raised portion or the recessed groove on the positioning circular ring so as to position the printed board component fixing piece. The printed board component fixing piece is also provided with a groovefor fixing the printed board component. The two sides of the printed board component are inserted to the groove and thus are secured. The circumference of the cylinder main body is provided with positioning components thereon. The positioning components each are provided with a concentric arc chute which is for connection with the cylinder main body. The casing herein has the advantages of simple structure, high production efficiency, and excellent precision.
Owner:NINGBO CRRC TIMES TRANSDUCER TECH CO LTD

Numerical control equipment for machining plate-type custom furniture hinge hole

The invention discloses numerical control equipment for machining a plate-type custom furniture hinge hole. The numerical control equipment comprises a conveying device, a drilling mechanism, an X-direction moving mechanism, a Y-direction moving mechanism and a Z-direction moving mechanism; the Y-direction moving mechanism is installed on the X-direction moving mechanism, the Z-direction moving mechanism is installed on the Y-direction moving mechanism, and the drilling mechanism is installed on the Z-direction moving mechanism; the conveying device comprises a plate conveying mechanism, a plate pushing mechanism and a plate limiting mechanism, wherein the plate pushing mechanism is arranged on the plate conveying mechanism, the plate pushing mechanism comprises a pushing plate, a pushing plate driving mechanism and a plate pressing component, the pushing plate driving mechanism is connected with the pushing plate and is used for pushing a plate into the drilling mechanism, and the plate pressing component is installed on the pushing plate. The numerical control drilling is conducted on the plate-type custom furniture hinge hole, the production bottleneck problem caused by low hinge hole machining efficiency in automatic plate-type production line can be solved, and the requirement for large-scale production of a custom furniture order is met.
Owner:广州新居网家居科技有限公司

Treatment system and process for high-temperature high-hardness high-COD sewage containing ammonia and nitrogen

The invention discloses a treatment system and process for high-temperature high-hardness high-COD sewage containing ammonia and nitrogen. The treatment system comprises a mechanical grating, an oil separation tank, a hardness-elimination device, an air floatation pool, a regulating pool, a cold water tower, a hydrolysis-acidification pool, a SBR biochemical reaction group, a buffer pool and a secondary sedimentation pool. Sewage successively flows through the mechanical grating, the oil separation tank, the hardness-elimination device, the air floatation pool, the regulating pool, the hydrolysis-acidification pool, the SBR biochemical reaction group and the secondary sedimentation pool, wherein the sewage from the regulating pool is pressurized by an elevator pump, then enters the cold water tower, and then flows back to the regulating pool via a water outlet formed in an anaerobic pre-reaction water tank. The treatment system and process provided by the invention can reduce water resource cost and sewage discharge for enterprises and improve overall economic benefits of the whole enterprises.
Owner:LIAOCHENG LUXI CHEM ENG DESIGN

Small-flow automatic detection device and detection method for water meters

The invention discloses a device and a method for error detection under the conditions of small flows of water meters. According to the device, a computer is used for comprehensively controlling a detection process, calculating errors and managing test data; photoelectric sensors are used for converting rotating signals of plum-blossom needles of standard water meters and the tested water meters into electric square wave signals, and outputting the electric square wave signals to an input port of a controller; the controller is used for executing specific control action and data acquisition; a flow control part takes an output signal of a differential pressure flow sensor as a feedback signal of flow control; an error measurement part acquires the output signals of the photoelectric sensors of the standard water meters and the tested water meters; a decimal pulse counting method is adopted for the data acquisition; and acquired data is transmitted to the computer, and the computer calculates error values of the tested water meters according to the test data. By the device and the decimal pulse counting method, time for testing the water meters can be effectively shortened, so that water meter testing efficiency can be greatly improved, and a production bottleneck problem caused by low water meter testing speed in the batch production of the water meters can be solved.
Owner:CHONGQING SMART METER GRP CO LTD

Surface processing method of nickel alloy wire

The invention discloses a surface processing method of a nickel alloy wire, and relates to a surface processing method used for removing oxidation scales of the nickel alloy wire and polishing the nickel alloy wire. The surface processing method of the nickel alloy wire is characterized in that in the processing process of the nickel alloy wire, the oxidation scales and surface quality defects of the nickel alloy wire are removed with a hard alloy turning tool, and a planet type sanding belt disc is rotated to rub the surface of a peeled nickel alloy wire, so that the surface of the nickel alloy wire is polished. Compared with a traditional acid pickling method, the surface processing method of the nickel alloy wire has the advantages that the oxidation scales and surface defects are cleaned up thoroughly, the metal recovery rate is high, the surface quality of the wire is good, a processing process is simple, production cost is low, and the production environment is improved.
Owner:JINCHUAN GROUP LIMITED

Control system and control method for double-high-speed-wire single-double wire rolling tension adjusting system

The invention provides a control system and a control method for a double-high-speed wire single-double wire rolling tension adjusting system. The control system comprises a tension detector and an intermediate rolling control adjusting platform connected with the tension detector. The control method comprises the steps that steel passing tension data collected in real time when a double-high-speed wire is switched between a single wire and a double wire are compared with double wire steel passing tension data of the double-high-speed wire in the normal rhythm, the difference value of the twotension data is calculated, and the tension between every two adjacent rolling mills in the double-high-speed wire is adjusted according to the difference value. According to the method, the production bottleneck problem caused by instability and abnormal conditions of the double-high-speed wire single-double wire rolling tension adjusting system can be rapidly, accurately and simply controlled inreal time, and the production bottleneck problems in two aspects is prevented; and the production bottleneck problems include that on one hand, steel stacking is caused due to the fact that a loop cannot be well adjusted, and on the other hand, in the high-frequency large-slope adjusting process of the loop, the speed of a finishing mill drastically fluctuates, spinning is disordered, and the quality of finished products and disc shapes is affected.
Owner:YANGCHUN NEW STEEL CO LTD

Test device and method of passenger car brake hose

The invention provides a test device and method of a passenger car brake hose, and belongs to the technical field of the detection device. The test device comprises a test water tank, a test bed body,a lifting cylinder, a brake hose connecting pipe, an air pressure test unit, a hydraulic test unit, and a control cabinet; the air pressure test unit comprises an air pressure electromagnetic valve,an air pressure one-way valve, an air pressure sensor, an air pressure electromagnetic valve and an air pressure intelligent data display instrument; the air pressure test unit comprises a booster pump, a hydraulic electromagnetic valve, a hydraulic one-way valve, a hydraulic sensor, the hydraulic display electromagnetic valve and the hydraulic intelligent digital display instrument; the air pressure display electromagnetic valve and the hydraulic display electromagnetic valve communicate with a brake hose connector and mechanical pressure gauge through a header pipe, and the header pipe is further communicated with a pressure relief electromagnetic valve; and the control cabinet controls the lifting cylinder, the electromagnetic valve, the one-way valve and the sensor. The invention further provides a brake hose test method. The test device and method can improve the accuracy and test efficiency of the brake hose test.
Owner:CSR CHENGDU

Method for punching large-sized stator lamination

The invention relates to the field of motors, in particular to a method for punching a stator lamination of a 390MW gas turbine generator. The method for punching the large-sized stator lamination comprises the steps of positioning and punching, and is characterized in that the punching step is to punch two laminations synchronously in one working procedure on a raw material by using a pair of two-plate dies, wherein the two plates are placed in a way of complementary inner and outer diameters. Adopting the technical proposal, the method greatly saves the raw material, increases the punching efficiency by 100 percent and greatly improves the production efficiency.
Owner:上海电气集团上海电机厂有限公司

Special lifting appliance of side wall of coal conveying open wagon

PendingCN108750921AReliable connectionOvercome production bottlenecksLoad-engaging elementsCoalHigh intensity
The invention discloses a special lifting appliance of the side wall of a coal conveying open wagon. The lifting appliance comprises a double-buckle flexible lifting belt, a high-strength bolt connecting pair, an installing and clamping groove body and a clamping block; the double-buckle flexible lifting belt is connected with the installing and clamping groove body through the high-strength boltconnecting pair, and the high-strength bolt connecting pair comprises a screw rod and a nut; the installing and clamping groove body is of a double-clamping-groove structure and comprises a large clamping groove and a small clamping groove, a square opening through hole is formed in the center position, close to the front, of the top of the installing and clamping groove body, two pairs of ear plates are fixedly arranged on the positions, near the rear part, of the top of the installing and clamping groove body in a left-and-right symmetrical mode, and through holes matched with the screw rodof the high-strength bolt connecting pair are orrespondingly formed in the opening end parts of the ear plates and the opening end parts of the double-buckle flexible lifting belt respectively; the screw rod penetrates through the through holes of the ear plates and the through holes of the double-buckle flexible lifting belt; and the clamping block penetrates into the square opening through holein the top of the installing and clamping groove body. The special lifting appliance is small in structure, light in weight, convenient to operate and capable of greatly reducing the labor intensity during lifting of an operator, the production time is shortened, the production bottleneck is overcome, and the production efficiency is improved.
Owner:CRRC MEISHAN

Nondestructive technology for disassembling landing leg pin shaft in concrete pump truck remanufacturing process

ActiveCN103481970AEnable direct reuseRealize non-destructive disassembly and reuseVehicle dissasembly recoverySolid waste disposalConcrete pumpDrill hole
The invention relates to the filed of concrete pump truck manufacturing, in particular to a nondestructive technology for disassembling a landing leg pin shaft in the concrete pump truck remanufacturing process. The technology comprises the following steps that (1) drilling is conducted on the middle of a shaft sleeve with a copper sleeve; (2) a positioning pin is inserted into a hole, and the shaft sleeve and the landing leg pin shaft which relatively move originally are locked; (3) a landing led is swung, the landing leg pin shaft and the corrosion portion, without the copper sleeve, of the shaft sleeve are loosened; (4) the positioning pin is taken out; (5) the landing leg pin shaft is taken out. The nondestructive technology for disassembling the landing leg pin shaft in the concrete pump truck remanufacturing process is easy to carry out, gives a new life cycle of the landing pin shaft and a new life cycle of the shaft sleeve, improves landing leg pin shaft disassembling production efficiency by 70% and solves production bottleneck problems.
Owner:HUNAN UNIV OF SCI & TECH

Device for SMT process and control method of device

The invention provides a device for the SMT process. The device comprises a first surface mount system, a second surface mount system and a reflow furnace, the first surface mount system is used for conducting SMT processing on first products, the second surface mount system is used for conducting SMT processing on second products, and the reflow furnace is used for conducting reflow processing on the first products and the second products. The device is characterized by further comprising first guide rails, second guide rails, a first sensor, a second sensor and a controller, wherein the first surface mount system is connected with the reflow furnace through the first guide rails; the second surface mount system is connected with the reflow furnace through the second guide rails; the first sensor is used for detecting the positions, on the first guide rails, of the first products; the second sensor is used for detecting the positions, on the second guide rails, of the second products; the controller is used for controlling start or shutdown of the first guide rails and the second guide rails according to detection results of the first sensor and detection results of the second sensor. Thus, the bottleneck problem of product production in the SMT procedure is solved, and product production is more intelligent.
Owner:WUXI CHINA RESOURCE MICRO ASSEMBLY TECH

Large-flow automatic detection device and detection method for water meters

The invention discloses a device and a method for error detection under the conditions of large flows of water meters. According to the device, a computer is used for comprehensively controlling a detection process, calculating errors and managing test data; photoelectric sensors are used for converting rotating signals of plum-blossom needles of standard water meters and the tested water meters into electric square wave signals, and outputting the electric square wave signals to an input port of a controller; the controller is used for executing specific control action and data acquisition; a flow control part takes the output signals of the photoelectric sensors of the standard water meters as feedback controls of flow control; an error measurement part acquires the output signals of the photoelectric sensors of the standard water meters and the tested water meters; a decimal pulse counting method is adopted for the data acquisition; and acquired data is transmitted to the computer, and the computer calculates error values of the tested water meters according to the test data. By the device and the decimal pulse counting method, time for testing the water meters can be effectively shortened, so that water meter testing efficiency can be greatly improved, and a production bottleneck problem caused by low water meter testing speed in the batch production of the water meters can be solved.
Owner:CHONGQING SMART METER GRP CO LTD

Manufacturing technology of fiber fabric for home textile manufacture

ActiveCN105714505ASolve dredging problemsAvoid wrinklesWork-feeding meansInspecting textilesYarnFiber
The invention discloses a manufacturing technology of fiber fabric for home textile manufacture and relates to the technical field of home textile manufacture and processing. The manufacturing technology includes the steps of cutting, sewing and steam ironing, wherein the cutting step includes cloth inspecting, cloth loosening, cloth spreading, cloth breaking, manual cloth pulling and cloth flattening, and the sewing step includes sewing machine inspecting, sewing operation, wool yarn control and hanging production line operation. The fiber fabric comprises bamboo fiber fabric and tencel fabric. The manufacturing technology of the fiber fabric for home textile manufacture has the advantages that since the manufacturing technology consists of cutting, sewing and steam ironing steps, by means of coordination of the cutting, sewing and ironing steps, high-quality, efficient and stable batch production are achieved, influences of softness, thinness and drape of the fiber fabric on product quality are well controlled, breathability, comfort and softness of products can be guaranteed, quality bottleneck during production is broken through, product quality is improved stably and production efficiency is improved.
Owner:JIHUA 3542 TEXTILE CO LTD

Explosive recrystallization preparation method and device for explosive crystallization

The invention discloses an explosive recrystallization preparation method and a device for explosive crystallization. An explosive stock solution is poured into a grille crystallizing pan, and then the grille crystallizing pan is placed in a precise constant-temperature heating water tank, heated to 59-61 DEG C and kept at the constant temperature; a top-end air suction system is started, and the air suction speed is stabilized at 0.73-0.77 m / s, so that all explosives are crystallized. The device for explosive crystallization comprises the precise constant-temperature heating water tank, the grille crystallizing pan and the top-end air suction system, wherein the grille crystallizing pan is placed in constant-temperature water in the precise constant-temperature heating water tank, so that the periphery and the bottom of the grille crystallizing pan can be heated by the constant-temperature water, the top-end air suction system is arranged right above the grille crystallizing pan, and a grille of the grille crystallizing pan is arranged on the inner bottom surface of the grille crystallizing pan. The method and the device have a function of precisely controlling the temperature and the volatilization speed of the recrystallized stock solution, the initiation sensitivity of prepared explosives is obviously improved, the shock sensitivity is greatly reduced, and the production efficiency is substantially improved.
Owner:INST OF CHEM MATERIAL CHINA ACADEMY OF ENG PHYSICS

Filling type Fresnel condenser

The invention discloses a filling type Fresnel condenser, which comprises an incident plate and a plurality of lens threads, and is characterized in that the incident plate is made of a transparent material; the lens threads are made of a transparent material, the lens threads are attached to one surface of the incident plate, a containing space is formed between the lens threads and the incidentplate, the containing space is filled with a transparent liquid, and the transmittance of the transparent liquid is larger than 80%. According to the Fresnel condenser, the hollow containing space isformed in the lens thread and is filled with the transparent liquid, and the transparent liquid replaces a transparent material to serve as a light-transmitting medium, so that the production cost ofthe Fresnel condenser can be reduced; particularly, when the size of the Fresnel condenser is large, the manufacturing bottleneck of the large-size Fresnel condenser is solved; when the Fresnel condenser is applied to the field of solar heat utilization, the size limitation of an existing solar condenser can be broken through, and the bottleneck of large-scale application of the Fresnel condenserin the field of solar heat utilization is overcome.
Owner:SHANGHAI INST OF APPLIED PHYSICS - CHINESE ACAD OF SCI

Technique for producing silicon carbide miropowder

The invention relates to a manufacturing technique for carbofrax micronized quartz powder. The invention comprises secondary crushing, sizing, shaping, acid cleaning, disintegrating, assorting and secondary assorting, and can produce completed product A of 800 -1000 orders, completed product B of 1200-1500 orders and coproduct exceeding 1500 orders. The invention associates mechanical grinding technology with air classifying technology to classify carbofrax micronized quartz powder efficiently. The invention has the advantages of advanced assorting, controllable product quality and high yield of sheet-like and needle-like product.
Owner:JIANGSU LEYUAN MATERIAL

Hybrid rice combination seed and seed production method

The invention belongs to the field of hybrid rice, and provides a hybrid rice combination seed and a seed production method. According to the difference of the initial heading stage of same-stage seeding of a male parent and female parent, male parent seeds of hybridized combination are treated; according to a ratio of the male parent seeds to female parent seeds equal to 1:(5-8), mixed seeding iscarried out; gibberellin is applied per mu in the heading stage, artificial auxiliary pollination is carried out during flowering, and field cultivation and management are carried out by using a ricefield cultivation technology in other stages. The hybrid rice combination seed is produced by organically combining a bio-hybrid community theory applying Qiangsheng biocenoses and matched rice cultivation technologies, and is a hybrid rice seed mixing a suitable proportion of first-filial generation seeds and male parent seeds thereof; a seed production technology of the hybrid rice combinationseed is named hybrid rice combination seed production technology. The technology can enhance the high and stable yield of the hybrid rice variety, prolong the high-yield period, reduce the productioncost of the seeds, expand the improved variety market, and increase economic benefits.
Owner:杨勋毅

Heat-storing material

The invention discloses a heat-storing material, which consists of an outer surface heat insulation layer, a middle heat storage layer and an inner surface air-water permeable layer. The outer surface heat insulation layer is made of a heat insulation material; the middle heat storage layer is made of a material with the functions of air permeability, water permeability, flexibility, rigidity, water storage and heat storage; and the inner surface air-water permeable layer is made of a material with good air permeability and water permeability. The heat-storing material has the advantages of strong heat storage capability, poor heat conduction capability, low construction cost and convenient dismantlement, is an energy-saving and environment-friendly material, and is convenient to popularize and apply to construction of greenhouse walls.
Owner:杨凌雨露节水绿化工程有限公司

Display having EDID (Extended Display Identification Data) automatic burning function at first boot

The invention relates to a display having an EDID (Extended Display Identification Data) automatic burning function at the first boot. The display is characterized by comprising main software which contains an EDID burning program and EDID data of each interface, wherein the main software is stored in an SPIFlash, I / O ports of CS#, SI, SO, WP# and SCLK in the SPIFlash are connected with I / O ports corresponding to MCU (Microprogrammed Control Unit) by a bus, and the output end of the MCU is connected with a WP / SCL / SDA bus of EEPROM (Electrically Erasable Programmable Read-Only Memory) for storing the EDID of each interface of a liquid crystal display. By using an IIC communication protocol, the EDID can automatically transfer and burn EDID preset in the MCU software to the corresponding EEPROM when the display boots for the first time, and therefore, the unmanned EDID burning is realized, the operation action is reduced, the production efficiency and the quality are improved, and the manufacturing cost is greatly lowered.
Owner:TPV ELECTRONICS (FUJIAN) CO LTD

Method for synthesizing candesartan cilexetil intermediate

The invention relates to a continuous-flow production process for synthesizing a candesartan cilexetil intermediate, belonging to the technical field of fine chemical engineering. The invention particularly relates to a process for continuously preparing 2-((tert-butoxycarbonyl)amino)-3-nitrobenzoate by using a microchannel reactor. The process comprises the following steps: carrying out staying reaction on 2-(chlorocarbonyl)-3-nitrobenzoate and sodium azide in a first reaction module; then allowing reaction liquid and water to simultaneously enter a continuous separator for separation; and subjecting an organic layer obtained through separation to reacting with tert-butyl alcohol in a second reaction module to obtain a target product. The method provided by the invention is safe, simple to operate, efficient and easy for large-scale production.
Owner:LINHAI HUANAN CHEM CO LTD +2

Mechanical Chinese milk vetch seed harvesting method and device

ActiveCN103348823BAchieve mechanical harvestingSimplify the harvesting processMowersAir volumeEngineering
The invention discloses a mechanical Chinese milk vetch seed harvesting method and device. The method comprises the following steps: cleaning ditches and draining in a field; adjusting a harvester; cleaning sundries in the field; and harvesting the Chinese milk vetch in the field. The device comprises a fan, a double-deck vibrating screen, a reel, a cutter, an auger and a header, wherein the air quantity of a fan of a whole-feed rice combine is 6-9 m / s; the inclination angle of an upper screen of the double-deck vibrating screen and a horizontal plane clamp form an angle of 3-5 degrees; the distance from reel teeth of the reel to the cutter does not exceed 15 cm; the rotation speed of the reel is 10-15 r / min; the inclination angle of the unisexual reel teeth on the reel tilts backwards and forms an included angle of 5-15 degrees with the perpendicular line; the distance between the cutter and the auger does not exceed 15 cm; the cutter is 5 cm above the ground. According to the method and the device, the Chinese milk vetch can be harvested by using the conventional harvester through continuous testing and adjustment, the problem of bottle neck of seed production in southern rice area green manure crop production and utilization development is solved, a direct promotion effect on green manure development which is arisen in China again is achieved, and the incomes of Chinese milk vetch seed reserving farmers are improved; the method and the device have great application and promotion value.
Owner:HUNAN SOIL & FERTILIZER INST

Device for machining high precision thickness spacer

The invention discloses a device for machining a high precision thickness spacer which comprises a cylindrical mandrel (1), a groove is formed on the side face of the cylindrical mandrel (1), a pressing block (3) and a screw (2) are arranged in the groove, and a screw hole for the screw (2) to screw in is formed in the pressing block (3) and located in the groove of the cylindrical mandrel (1). The device for machining the high precision thickness spacer achieves the order specification of the high precision thickness spacer, immediate machining of the high precision thickness spacer can be realized according to the requirements of on-site product performance adjustment, the waiting time is shortened, the production cost of an enterprise is reduced, the bottleneck problem of the enterpriseproduction is solved, economic benefits of enterprises are improved, and social benefits are obvious.
Owner:GUIZHOU HONGLIN MACHINERY

Manufacturing method of single-layer capacitive touch screen

A method for manufacturing a single-layer capacitive touch screen, comprising the following steps: Step S1: providing a PMMA substrate; Step S2: surface treating the PMMA substrate; Step S3: low-temperature electroplating ITO conductive film on the PMMA substrate; Step S4: Making electrode patterns and conductive lines on the conductive film; step S5: forming and processing the PMMA substrate; and step S6: bonding FPC to the circuit interface end of the PMMA substrate. Compared with the prior art, the single-layer capacitive touch screen manufacturing method of the present invention uses PMMA material as the substrate, and utilizes low-temperature electroplating and low-temperature bonding technology in the processing technology to overcome the problem of the original PMMA material as the capacitive screen substrate. Problems that often occur in the processing and manufacturing process, the single-layer capacitive touch screen made of the PMMA material is easy to process, not easy to break, and has low cost.
Owner:深圳达沃斯光电有限公司

A method and device for preventing accumulation and explosion of hydrocarbon compounds

The invention discloses a method and device for preventing accumulative explosion of hydrocarbon compounds.A liquid oxygen continuous discharge device is arranged at the bottom of an upper tower body of an air separation two-stage rectifying tower, liquid oxygen accounting for 0.1-1.5% of a liquid oxygen product is continuously taken out from the bottom of the upper tower body, and the liquid oxygen is atomized through a liquid oxygen ejector and conveyed into an oxygen product pipeline after being mixed with oxygen.Temperature difference in the liquid oxygen ejector before and after liquid oxygen ejection is smaller than or equal to 4 DEG C, and the temperature after liquid oxygen ejection is larger than or equal to -5 DEG C.The device comprises the liquid oxygen ejector, a liquid oxygen pipeline communicated with the bottom of the upper tower body of the two-stage rectifying tower and the liquid oxygen ejector, a gaseous oxygen pipeline communicated with a gaseous oxygen inlet in the liquid oxygen ejector, and the oxygen product pipeline communicated with an oxygen product outlet in the liquid oxygen ejector.The method and device achieve continuous discharge of acetylene and other hydrocarbon compounds, prevent equipment explosion accidents, can be used for recycling oxygen, and generate economic benefits.
Owner:TIANJI COAL CHEM IND GROUP
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products