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12773results about How to "Improve working environment" patented technology

Preparation method of wet process mixed natural rubber material

The invention relates to a preparation method of a wet process mixed natural rubber material. The method comprises the following steps of: preparing slurry and soaking 15-40 percent of dry white carbon black in 60-85 percent of deionized water; adding a coupling agent and a surfactant, uniformly mixing, grinding, preparing latex mixed liquor, extracting natural latex and adding white carbon black water dispersoid into the latex; stirring and mixing to obtain a latex mixed liquor, flocculating and adding acetic acid into the mixed liquor; performing rubber washing and dehydration by using a rubber washing machine and feeding to a rubber pelletizer for pelletizing; and feeding rubber particles into a box drying cabinet for drying. The preparation method has the advantages of simple machining process, small equipment investment, realization of various ideal performances with the most ordinary white carbon black, low dust pollution in the entire production process and energy saving. A tire manufactured with the method has small rolling resistance, low heat generation, high tensile strength, high tearing strength and high rubber material ageing resistance. Mixing of the white carbon black is performed in a liquid phase, so that the dispersivity and uniformity are enhanced.
Owner:ZHUZHOU ANBAOLINFENG NEW MATERIALS

Five-axis numerical control polishing machine capable of changing grinding heads automatically

The invention discloses a five-axis numerical control polishing machine capable of changing grinding heads automatically. The five-axis numerical control polishing machine comprises a plurality of semi-axis grinding heads, a machine body frame, a controller, a polishing head, a grinding head supply mechanism, a spindle clamping device, a Z-axis drive mechanism, an X-axis drive mechanism, a Y-axis drive mechanism, an A-axis rotary workbench and a C-axis rotating mechanism. The polishing head, the grinding head supply mechanism, the spindle clamping device, the Z-axis drive mechanism, the X-axis drive mechanism, the Y-axis drive mechanism, the A-axis rotary workbench and the C-axis rotating mechanism are respectively connected with the controlled and controlled by the same. The five-axis numerical control polishing machine capable of changing grinding heads automatically has the advantages that the polishing machine is ingenious and reasonable in structural design, high in automation level, convenient and fast to operate, high in flexibility by the five-axis linkage structure, and widely applicable; multiple polishing procedures such as rough polishing, fine polishing and mirror polishing can be completed at one-step clamping, clamping time is saved, machining efficiency and precision are increased greatly, polishing effect is guaranteed, work efficiency is increased, labor intensity of workers is lowered, enterprise competitiveness is increased effectively, and polishing of surfaces of complex curve shapes can be achieved.
Owner:东莞市钜铧机械有限公司

Novel telescopic pipeline cleaning robot

The invention discloses a novel telescopic pipeline cleaning robot which comprises a first body, a second body, two traveling mechanisms, a cleaning device and a mechanical arm. The first body and the second body are arranged in the front-back direction and connected through a double-joint universal coupler. The traveling mechanisms are arranged on the outer side of the first body and the outer side of the second body correspondingly. The cleaning device is arranged on the rear side of the second body and comprises a cleaning disc and a plurality of telescopic rods. The cleaning disc is connected with a first motor arranged inside the second body. The multiple telescopic rods are evenly arranged on the edge of the cleaning disc in an annular mode. One end of each telescopic rod is fixedly connected with the cleaning disc, and a cleaning wheel is arranged at the other end of each telescopic rod. A bracket is arranged on the front side of the first body, and the mechanical arm is installed on the bracket. When the novel telescopic pipeline cleaning robot is used for cleaning different pipelines, the inner walls of the pipelines with different diameters and curvature degrees can be cleaned by adjusting the lengths of the telescopic rods, the novel telescopic pipeline cleaning robot is suitable for variable-diameter pipelines of complex structures, the adaptability is high, and the cleaning efficiency is high.
Owner:SHANDONG UNIV OF SCI & TECH

Pipeline inner wall rust removal device

The invention discloses a pipeline inner wall rust removal device, belonging to the technical field of polishing units. The device comprises a first end cover and a second end cover which are hermetically installed at two ends of the pipeline, a rust removal trolley is arranged in the pipeline, the dust removal trolley comprises a pneumatic motor with dual output shafts, a shell of the pneumatic motor is provided with a plurality of support shafts, the end part of each support shaft is provided with a roller wheel, a grinding disc is fixedly installed on the output shaft of the pneumatic motor, close to the first end cover, and is provided with a plurality of support rods in the radial direction, the end part of each support rod is provided with an abrasive disc, the output shaft of the pneumatic motor, close to the second end cover, is connected with a shot-blasting machine in a transmission manner; the end part of the grinding disc is connected with a traction rope, the traction rope extends out of the first end cover, one end of the shot-blasting machine, close to the second end cover, is connected with a shot feeding pipe, the pneumatic motor is connected with a gas inlet pipe, the shot feeding pipe and the gas inlet pipe extend out of the second end cover. The pipeline inner wall rust removal device can be used for solving the technical problems that the pipeline inner wall is serious in rust removal pollution and the rust removal effect is poor, and can be widely applied to pipeline cleaning.
Owner:SHANGHAI HONGPU STEEL STRUCTURE ENG

Liquid accelerator for sprayed concrete and preparation thereof

The invention relates to a liquid accelerator for shotcrete and a method for preparing the same. The liquid accelerator is prepared from the following components in percentage by weight: 25 to 70 percent of aluminum sulfate, 0 to 8 percent of metal fluoride, 1 to 10 percent of amine substance, 0.5 to 7 percent of pH regulator, 0.01 to 1 percent of thickening agent, and the balance being water. The method for preparing the liquid accelerator comprises the following steps: firstly, dissolving the fluoride into the water; secondly, adding the amine substance to the mixture and heating the solution to a temperature of between 40 and 80 DEG C; thirdly, adding the aluminum sulfate to the solution to perform heat preservation reaction until the solution becomes a uniform liquid; and fourthly, adding the pH regulator and the thickening agent to the uniform liquid and stirring the mixture evenly to finally obtain a uniform liquid substance which is the liquid accelerator for the shotcrete. The liquid accelerator is free from corrosion, has no penetrating odor, has good storage stability so that the phenomena of deposition, crystallization and the like do not appear after the storage of more than 6 months at a temperature of between 0 and 35 DEG C, and does not influence the effect in practice. Using the liquid accelerator with lower mixing proportion (5 to 8 percent), cement can be initially set within 4 minutes and finally set within 10 minutes, and the strength of cement mortar within one day is more than 10 MPa and the storage rate of the strength within 28 days is more than 100 percent.
Owner:JIANGSU SUBOTE MATERIAL

Method for producing synthetic leather by using solvent-free double-component polyurethane scraping and coating method

The invention discloses a method for producing synthetic leather by using a solvent-free double-component polyurethane scraping and coating method and the synthetic leather produced by using the same. The method comprises the following steps: (1) controlling the flow of a material loading machine so that an M material and an N material are mixed in the mixing chamber of the material loading machine and then poured, scraped and coated to release paper coated with an isolation layer, drying so as to obtain a foamed material layer, wherein the coating amount of scraping and coating is 50-2000g/m<2>; (2) pressing and compounding the foamed material layer, heating and solidifying; and (3) coiling, curing, and separating out the release paper at last, so as to obtain the synthetic leather finished product. According to the invention, an organic solvent and water are not used in the synthesis and mixing of polyurethane resin on a foaming layer and a bonding layer and in the various links of embarkation. Compared with the method for producing the foaming layer with a water-based polyurethane composite material, the method disclosed by the invention can greatly reduce energy consumption; and the synthetic leather has good property and excellent hand feeling.
Owner:佛山市飞凌皮革化工有限公司

Waterproof system for basement bottom board and wall surface and construction method thereof

The invention relates to a waterproof system for a basement bottom board and a wall surface and a construction method thereof. The construction method comprises the steps of: horizontally spreading and pasting a self-adhesive rubber bituminous waterproof sheet material on a concrete base layer, and building up a brick permanent protection wall outside a preset position of a basement wall surface, wherein the bottom of the brick permanent protection wall is vertically connected with the concrete base layer, the self-adhesive rubber bituminous waterproof sheet material spreads over corners of the basement wall surface and then is upward folded to be spread and pasted on the water attaining surface of the brick permanent protection wall, then the self-adhesive rubber bituminous waterproof sheet material is lapped with another self-adhesive rubber bituminous waterproof sheet material pasted above the brick permanent protection wall, a self-adhesive rubber bituminous waterproof sheet material is pasted on an outer vertical surface of the basement wall surface. The construction method has the advantages of strong construction continuity, fast speed, good construction environment, low cost and the like, eliminates the hidden danger of fire since the heating is avoided in the construction process, is safe and reliable, completely changes and improves the traditional waterproof construction environments and the waterproof construction technology. The waterproof system can be widely applied in basements, underground structures and roofs.
Owner:CHINA CONSTR SECOND ENG BUREAU LTD

Solar mirror surface cleaning robot system

The invention discloses a solar mirror surface cleaning robot system comprising a mirror surface cleaning robot and an application console, wherein the mirror surface cleaning robot is connected with the application console, the mirror surface cleaning robot is provided with a laser detector and a gyro which are used for realizing autonomous positioning and an automatic direction steering mechanism and a brake control mechanism which are used for automatic steering and braking, and is also provided with an infrared anticollision antenna, an ultrasonic wave sensor, a collision switch, a car body stop button and other safety protection devices, and the equipment or sensor and driving parts complete autonomous navigation and automatic obstacle stopping and obstacle avoidance under association control. The solar mirror surface cleaning robot system disclosed by the invention can automatically clean a mirror surface in a designated mirror field according to predetermined setting in a hostile environment, has higher automation level and can complete cleaning on the designated mirror surface without human control; and meanwhile, the robot is used for replacing a person to complete cleaning on the mirror surface in a photo-thermal generating mirror field, the working strength of field staff can be greatly reduced, and the working environment of the staff can be improved.
Owner:ZHEJIANG SUPCON RES

High-efficiency blocking coal shovel

The invention relates to coal mining equipment and specially, relates to a high-efficiency blocking coal shovel. The high-efficiency blocking coal shovel comprises a shovel body. The shovel body comprises a frame. The high-efficiency blocking coal shovel also comprises an impulsion shovel mechanism. The impulsion shovel mechanism comprises a shovel head and an impulsion device. The shovel head comprises shovel teeth and a fixing part. The shovel teeth are installed on the fixing part. A rear part of the fixing part is provided with an impulsion stroke guiding mechanism. The impulsion stroke guiding mechanism is sildingly connected to a guiding sleeve. The guiding sleeve is arranged on the impulsion device and/or the frame. The impulsion device impacts the impulsion stroke guiding mechanism. Only through one impulsion process, the shovel head can complete both coal falling and surface cleaning. The impulsion shovel mechanism is arranged on the shovel body. The shovel body drives the whole high-efficiency blocking coal shovel to walk. Coal mined by the high-efficiency blocking coal shovel is not broken fully. The high-efficiency blocking coal shovel has a high blocking rate and low power consumption, produces a small quantity of coal dust, provides a good work environment, realizes continuous coal mining, synchronously completes both coal falling and surface cleaning, and saves a mass of energy.
Owner:刘素华

Low-energy-consumption low-carbon-emission economical energy-saving urban sewage treatment method

The invention discloses a low-energy-consumption low-carbon-emission economical energy-saving urban sewage treatment method. The method comprises the steps that: 1, the to-be-treated wastewater is collected by a sewage pipe network and then is filtered by lattices, and is lifted by a pump to enter a pulse water distribution pot of a novel efficient turn-back anaerobic biochemical pool (ABR); 2, the swage subjected to the treatment in step 1 flows into a circulation-flow biological oxidization pool; 3 the effluent water from the step 2 flows into an artificial reinforced biological contact oxidization pool reconstructed by a water body from natural tunnels and reservoirs; and 4, the effluent water from the step 2 or the step 3 flows into constructed wetlands. After the sewage is treated by the above steps, the most pollutants in the water are effectively removed and the treated effluent water reaches the standard first-grade A in GB 18918-2002 ''Discharge standard of pollutants for municipal sewage treatment plant''. The energy-saving sewage treatment purification process with low cost, low energy consumption, low carbon emission and low operating cost is particularly suitable for the sewage treatment in small towns or rural areas.
Owner:武汉昌宝环保工程有限公司

Automatic quantitative down-filling machine

The invention relates to an automatic quantitative down-filling machine, which comprises a rack, a table surface, a balance, a down tube, a tube cover, an elbow, a hose, a down-filling gun and an automatic control device. The down-filling gun consists of a connecting pipe, an air amplifier, an air amplifier fixing cover, a down-filling pipe and a down-filling gun handle, the automatic control device comprises a down-filling switch, a weighing sensor, a single-chip microcomputer and a solenoid valve; the balance is arranged on the table surface, the down tube is supported on the balance by a bracket and is provided with a down-adding port, the hose is connected with the tube cover through the elbow, an elbow clamping block is fixed on a crossbeam, the down-filling gun is connected with thehose through the connecting pipe, the down-filling switch is arranged on the down-filling gun handle, an air intake pipe connector is connected with the air amplifier in the down-filling gun, and an air intake pipe penetrates through a hole on the down-filling gun handle and is connected with the air intake pipe connector. The invention has the advantages that the quantitative weighing and pneumatic filling of down are realized with the automatic control technology, the down-filing amount can be arbitrarily set, the filling efficiency is high, the working environment is good, and the down waste and damage can be reduced.
Owner:CHINA JILIANG UNIV

Aerogel composite material with surface subjected to dust-free treatment and preparation method

The invention relates to an aerogel composite material with a surface subjected to dust-free treatment and a preparation method thereof, in particular to a method using an aerogel felt, an aerogel plate, an aerogel cylinder and an aerogel shaped piece as the base material and coating the substrate surface with compact coating so as to avoid shedding of aerogel surface dust. The method is simple and practicable, can effectively solve the problem of easy generation of dust on the aerogel surface, significantly improves the working environment, and can satisfy the use condition of aerogel in clean space. By adopting different ratios, a rigid coating and a flexible coating can be obtained, high temperature and low temperature application can also be achieved, compound proportioning of an inorganic film-forming agent and an organic film-forming agent also can give consideration to flexibility and fire resistance, and significantly improves the adaptability of the coating paste to different types of aerogel materials. The aerogel subjected to dust-free treatment can be applied to heat preservation of various industrial equipment and pipeline, and also can be applied to thermal insulation of high speed rail, vessels, electronics and pharmaceutical workshops and building field.
Owner:浙江圣润纳米科技有限公司

Waterborne polyurethane coating transfer synthetic leather and manufacturing method

The invention relates to waterborne polyurethane coating transfer synthetic leather and a manufacturing method, belonging to the technical field of synthetic leather and manufacturing methods. The manufacturing method of the waterborne polyurethane coating transfer synthetic leather is characterized in that the waterborne polyurethane coating transfer synthetic leather is manufactured by sequentially including the following steps: base cloth, surface formation by dry coating transfer, curing, separation of paper and leather, inspection and storage. Compared with solvent based polyurethane, thewaterborne polyurethane coating transfer synthetic leather has equivalent physical properties of the product, meets the requirement of application, uses the environmentally friendly waterborne polyurethane so that organic solvent which is harm to environmental protection is not contained in the product, and simplifies the production process because the working procedure of DMF recycling needed bysolvent-based products is reduced in a production process, thereby saving energy, protecting environment, meeting the restrictive requirements of foreign countries on the environmentally friendly polyurethane leather, reducing the quantity demand on production personnel, alleviating harm to human bodies, lowering the production cost and enabling the market competitiveness of the product to be strong.
Owner:烟台万华超纤股份有限公司

Hybrid mechanism-based five-dimensional vibration isolation platform

The invention relates to a five-dimensional vibration isolation device which is suitable for equipment arranged on a dynamic carrier. Aiming at the problem of five-dimensional vibration of the equipment on the dynamic carrier, one hybrid mechanism-based vibration isolation platform is arranged between an equipment mounting platform and a carrier connecting platform to realize five-dimensional vibration isolation. The vibration isolation platform consists of the equipment mounting platform (1), a middle platform (2), the carrier connecting platform (5), six branched chains comprising vibration isolation subsystems and a constraint branch containing no vibration isolation subsystem, so that vibration isolation along spatial three-movement two-rotation directions can be realized. Each vibration isolation subsystem in each branched chain is formed by connecting a linear spring (3) and a magneto-rheological damper (4) in parallel; and control over the entire platform is realized by changing a damping coefficient of the magneto-rheological damper. Since the movement and the rotation of a hybrid mechanism are fully decoupled, the control of the system is relatively simple. Experiments prove that the vibration isolation platform using the five-dimensional vibration isolation device enables that a vibration signal transferred to the equipment by the carrier is obviously weakened, so that the vibration isolation platform has the advantage of effectively and reliably improving the dynamic environment of the equipment of the dynamic carrier.
Owner:HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL
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