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105results about How to "The production will not" patented technology

Friction electrostatic painting infrared ray cured powder paint for electromagnetic wire and lacquered wire, preparation and use thereof

The invention relates to a functional coating, in particular to a friction electrostatic spraying infrared curing powder coating for an electromagnetic wire and an enamelled wire. The powder coating consists of a resin, a curing agent, a pigment, a filler and an additives; the powdery coating comprises the following compositions by mass percentage: 33 to 62 percent of the thermosetting resin, 5 to 33 percent of the curing agent, 1 to 29 percent of the pigment and the filler, 0.5 to 1 percent of triboelectric additive, 0.5 to 1 percent of powder loosening additive and 1 to 5 percent of other additives; a preparation process comprises: the compositions of a formula are subjected to premixing and melt extrusion and mixing, are cooled to room temperature and are broken into a sheet material; the sheet material is pulverized to ultrafine powder and is separated to obtain a semifinished product of powder coating with less than 160 meshes; and the semifinished product is demagnetized to obtain a finished product. The friction electrostatic spraying infrared curing powder coating for the electromagnetic wire and the enamelled wire does not produce wastewater, waste gas and waste residue in the production process, does not produce any pollution to environment, has high utilization rate and belongs to a resource-saving type product.
Owner:JIANGSU LANLING POLYMER MATERIAL CO LTD

Method for preparing fatty acid ethyl ester with Omega-3 content of more than 90 percent

The invention discloses a method for preparing a fatty acid ethyl ester with Omega-3 content of more than 90 percent by taking fish oil as a raw material. According to the method, the fish oil serves as a raw material, and the method sequentially comprises the following steps of: removing free fatty acids through molecular distillation prepurification; performing twice transesterification reactions on fish oil and ethanol to prepare fatty acid ethyl ester by taking sodium ethoxide as a catalyst; performing primary purification on the fatty acid ethyl ester through molecular distillation; performing secondary purification on the fatty acid ethyl ester through a urea inclusion technology; purifying and discoloring the fatty acid ethyl ester subjected to urea inclusion through molecular distillation; performing activated clay adsorption and reducing the peroxide value; and removing anisidine from a sodium hydroxide ethanol solution, so that the fatty acid ethyl ester with Omega-3 content of more than 90 percent is obtained. The method has the beneficial effects that a production method which is not used in China at present is provided; and according to the method, the fatty acid ethyl ester product with Omega-3 content of more than 90 percent is produced. The fatty acid ethyl ester obtained by the method has the Omega-3 ethyl ester content of more than 90 percent, and each quality standard accords with the standards of European pharmacopoeia and United States pharmacopeia; and moreover, the fatty acid ethyl ester can be used for nutritious supplementary, medicines, foods and food additives and is high in economic value.
Owner:成都圆大生物科技有限公司

Preparation method for environment-friendly starch-based binder

The invention discloses a preparation method for an environment-friendly starch-based binder. According to the method, oxidized starch and modified protein are mixed according to a mass ratio of 2:1 to 5:1; polyvinyl alcohol is added according to a mass ratio of oxidized starch to polyvinyl alcohol of 2:1 to 5:1 and uniformly mixed with oxidized starch and modified protein, and an obtained mixture is subjected to a reaction for 2 to 5 hours at a temperature of 50 to 80 DEG C; first liquid of the binder is prepared; the first liquid of the binder is taken out, an auxiliary agent is added, and the environment-friendly starch-based binder is prepared by uniformly mixing the first liquid of the binder and the auxiliary agent; the auxiliary agent is borax and/or citric acid, and the amount of the auxiliary agent accounts for 2 to 5% of the amount of dry starch base. The oxidation starch is prepared by using sodium periodate as an oxidizing agent and mixing the oxidizing agent with starch at a temperature of 20 to 50 DEG C; the raw material in the invention, starch, undergoes a chemical reaction with protein and produces firm chemical bonds, which enables a net structure of the binder to be formed; the net structure and the action of cross-linking agents allow the binder to have improved stability and enhanced water resistance; the invention enables cost to be saved and the goal of environmental protection to be realized.
Owner:SOUTH CHINA UNIV OF TECH

Environmental protection type under-well formation fracturing device

The invention relates to an environmental protection type under-well formation fracturing device, belonging to the technical field of permeability improvement fracturing for horizontal wells, inclined shafts and vertical wells. The device comprises a wellhead plugging device, an under-well tugger, in-well packers, a high-pressure hose, an in-well armored cable, a high-strength cable, an operating control mechanism and a sensor assembly. The under-well tugger is operated through the operating control mechanism to drag the two in-well packers to a set position and form a set under-well fracturing formation space, then the high-pressure hose is controlled to respectively pour spacer fluid, a liquid explosive and a primary explosive into an under-well space to be fractured according to the proportion of formula, and the in-well cable is controlled for electronic ignition to carry out the high-energy high-pressure gas fracturing formation operation; through such manipulation, repetitive or non-repetitive formation fracturing operation in different formation spaces and under different formation conditions is realized. The efficient, economic and environmental-protection formation fracturing device is provided for coal bed gas /shale gas mining, the operation fracturing effect is good, fracture extension can form a wide range of fracture system, the permeability and the desorption rate of a reservoir can be increased, and the purpose of increasing production is achieved. The device is worthy of adoption and promotion.
Owner:ZHONGBEI UNIV

Auxiliary drilling unmanned aerial vehicle for construction site

The invention relates to an auxiliary drilling unmanned aerial vehicle for a construction site. The auxiliary drilling unmanned aerial vehicle comprises four rotor wing unmanned aerial vehicles, a I-shaped connecting rack, a main body supporting plate, a drill, an electric drill main body, a motor, a screw and a bearing pedestal. Each rotor wing unmanned aerial vehicle comprises an unmanned aerialvehicle main body, propellers of the unmanned aerial vehicle and a propeller connecting rack of the unmanned aerial vehicle. The propellers of the unmanned aerial vehicle are mounted on a motor rotary shaft of the unmanned aerial vehicle on the outer side of the propeller connecting rack of the unmanned aerial vehicle. The propeller connecting rack of the unmanned aerial vehicle is connected to the unmanned aerial vehicle main body. A signal emitting device is arranged on the unmanned aerial vehicle main body. The bottom of the unmanned aerial vehicle main body is connected to the main body supporting plate through the I-shaped connecting rack. A groove is formed in the main body supporting plate, the bottom of the electric drill main body moves along the groove in the groove, the drill of the electric drill body faces upward, a screw penetrates through the electric drill main body, one end of the screw is connected to the rotary shaft of the motor and the other end of the screw penetrates through the bearing pedestal. The auxiliary drilling unmanned aerial vehicle provided by the invention drills and processes a building in an auxiliary manner by means of the flexibility of the unmanned aerial vehicle, so that the auxiliary drilling unmanned aerial vehicle designed like this is high in terrain adaptability and wide in processing range, and can be suitable for auxiliary processing of various buildings.
Owner:JINLING INST OF TECH

Microwave heating and dehumidifying device and rotary dehumidifier

The invention discloses a microwave heating and dehumidifying device. The microwave heating and dehumidifying device is arranged on a moisture draining channel surface of a desiccant rotary wheel andcomprises a heat preservation and insulation chamber for shielding electromagnetic waves, an electromagnetic shielding assembly, a microwave source module and a microwave source emitting head; and theelectromagnetic shielding assembly, the microwave source module, and the microwave source emitting head are positioned in the heat preservation and insulation chamber, the microwave source emitting head faces the desiccant rotary wheel, and the microwave source module controls the microwave source emitting head to emit microwave heating energy. According to the selective heating characteristic ofthe microwave heating and dehumidifying device, moisture can be uniformly dried without extra heat energy loss, corresponding containers do not generate heat, and the heat efficiency is high; a solidmicrowave source is combined with a temperature sensor and a microwave power controller to realize constant temperature proportional control of microwave heating energy; a three-layer electromagneticshielding design is adopted, and the electromagnetic wave shielding effect is good; and the microwave heating and dehumidifying device has high dehumidifying and heating treatment efficiency on a regeneration area of the desiccant rotary wheel of a rotary dehumidifier and does not generate waste gas. The invention further discloses the rotary dehumidifier.
Owner:陈柏年

Environment-friendly downhole stratum fracturing method

The invention discloses an environment-friendly downhole stratum fracturing method, and belongs to the technical field of anti-reflection fracturing of horizontal wells, inclined shafts, vertical wells and the like. The method is achieved through an environment-friendly downhole stratum fracturing device. The environment-friendly downhole stratum fracturing device structurally comprises a well mouth plugging device, a downhole dragging device, well inside packers, a high-pressure hose, a well inside armor cable, a high-strength cable, an operating and control mechanism and a sensor assembly. Through the operating and control mechanism of the device, the downhole dragging device drags the two well inside packers to a set layer position, a set downhole stratum fracturing space is formed, the high-pressure hose is controlled to inject separation liquid, liquid powder, primary powder and the like into a to-be-fractured downhole space according to a formula proportion, the well inside cable is further controlled to carry out electronic ignition, high-energy and high-pressure gas stratum fracturing work is carried out, and multi-repeating or non-repeating stratum fracturing work of different stratum spaces and different stratum conditions is achieved. According to the method, the efficient, economical and environment-friendly stratum fracturing method and device are provided for coalbed methane / shale gas extraction, the fracturing effect is good, a large-range crack system is formed, the permeability of a reservoir stratum is improved, the desorption speed of the reservoir stratum is increased, and the aim of increasing production is achieved. The method and device are worthy of adoption and popularization.
Owner:ZHONGBEI UNIV

PVOH coating film with high peel strength and preparation method thereof

The invention discloses a PVOH coating film with high peel strength. The PVOH coating film comprises a base material layer and a coating layer which are adhered in sequence; the coating layer is a self-adhesive PVOH coating layer, and the base material layer is a BOPP film layer with a heat sealing function. The invention provides the novel BOPP self-adhesive PVOH emulsion coating film with heat sealing performance. The BOPP self-adhesive PVOH emulsion coating film has an important characteristic that the adhesive force of a BOPP heat sealing surface with a PVOH coating layer is much better than that of a BOPP light film with the PVOH coating layer. The peel strength of the heat-seal BOPP and the coating PVOH coating layer is larger than or equal to 1.2 N / 15 cm, while the peel strength ofthe BOPP light film and the coating PVOH coating layer is smaller than or equal to 0.6 N / 15 cm. And the improvement of the peel strength provides greater possibility for the application of the material. For example, printing of a coating layer, compounding of the coating layer and other materials and the like are achieved. The invention provides the novel PVOH coating film which is provided with two functional layers, the outer layer is a biaxially drawn polypropylene layer and can provide good mechanical properties, and the inner layer is the PVOH coating layer and can provide good barrier properties and also has good printing and other material compounding characteristics.
Owner:HAINAN SHINER IND

Single frequency net system and its synchronous system and method in mobile multimedia broadcast

The invention provides a single frequency network system in mobile multimedia broadcasting and a synchronous system and a synchronous method thereof; the synchronous system comprises a multiplex code stream interface and an isochronous controller and also comprises a multiplex code stream load subpackaging device, a payload filter and a first annular cache unit; the multiplex code stream load subpackaging device is used for receiving multiplex code stream, separating multiplex frame data packets from the multiplex code stream and sending the multiplex frame data packets to the payload filter; the payload filter is used for filtering out filling data in the multiplex frame data packets and sending the multiplex frame data to the first annular cache unit; the first annular cache unit is divided into blocks; a serial number of each block respectively corresponds to the unit of the second of the time stamp included in the multiplex frame code stream; the first annular cache unit is used for storing the multiplex frame data. The invention can cope with the accidental errors of single frequency network data transmission or the intermission of data transmission and well realizes the establishment of a single frequency network.
Owner:INNOFIDEI TECHNOLOGIES INC

Method for preparing polyurethane fiber guide wheel used for cutting silicon slice

The invention relates to a method for preparing a polyurethane fiber guide wheel used for cutting a silicon slice. The method comprises the following steps of: mixing 0.5-1.0 part of carbodiimide and 3-5 parts of calcium sulphate crystal whisker with 100 parts of polyether polyol, then stirring, heating and dehydrating the materials in a reaction kettle, and adding 30-50 parts of isocyanate to the reaction kettle for a polymerization reaction to prepare a prepolymer and defoaming the prepolymer; mixing the defoamed prepolymer with a liquid polyurethane solidifying agent in the ratio of 100: (15-30) in a casting machine to prepare a polyurethane liquid material, placing an assembled die and a metal spindle into a heating box for heating, and pouring the polyurethane liquid material to a hollow cavity between an adhesive layer and the die and to a hooped pouring opening; and placing the die poured with the polyurethane liquid material into the heating box, then carrying out vulcanization forming treatment, demolding, carrying out additional vulcanization, and machining a guide groove on the surface of a polyurethane coating. The method for preparing the polyurethane fiber guide wheel used for cutting the silicon slice has the characteristics of light weight and improved production efficiency and quality of the guide wheel.
Owner:CHANGZHOU JUNHE TECH

Entrained flow gasifier device with four forward and reverse rotating burners and gasification method

The invention relates to an entrained flow gasifier device and a gasification method utilizing the device, particularly to an entrained flow gasifier device with four forward and reverse rotating burners and a gasification method, and aims to solve the problems of gasifier water-cooled wall burning loss, low carbon conversion rate and the like caused by unreasonable burner arrangement mode of existing multi-burner entrained flow gasifiers. The entrained flow gasifier device with four forward and reverse rotating burners includes a gasifier body, burners, a water-cooled wall, an igniter burner,a slag tank and a synthesis gas channel. The four burners, i.e. burner B1, burner B2, burner B3 and burner B4 are located on a same horizontal plane, and are evenly distributed along the circumference of the gasifier body in order, the intersection points of center lines and the water-cooled wall surface are C1, C2, C3, and C4 respectively, the center lines of B1 and B2 intersect at point O, andthe center lines of B3 and B4 intersect at point O'; the included angle alpha of C1O and C1C3, and the included angle beta of C2O and C2C4 satisfy that: alpha is greater than 0 and smaller than beta and beta is less than 45 degrees, or beta is greater than 0 and smaller than alpha and alpha is less than 45 degrees. The entrained flow gasifier device provided by the invention is used for the entrained flow gasification field.
Owner:HARBIN INST OF TECH

Efficient plastic melting cracking flue gas desorption separation purification system

The present invention discloses an efficient plastic melting cracking flue gas desorption separation purification system, which comprises a flue gas, dust and tar water-washing removal section, a gas decomposition purification section, an oil-water separation section capable of collecting and separating oil-water debris, and an oil-water debris discharge pipeline, wherein the left end and the right end of the oil-water debris discharge pipeline are respectively connected with the flue gas, dust and tar water-washing removal section and the oil-water separation section, and the upper portion of the flue gas, dust and tar water-washing removal section is connected with the gas decomposition purification section through a flue gas pipeline. With the efficient plastic melting cracking flue gas desorption separation purification system, the problem that the existing waste plastic recovery process can produce harmful gas so as to pollute the environment can be solved. The efficient plastic melting cracking flue gas desorption separation purification system has characteristics of simple structure, low energy consumption, complete separation effect, low discharged flue gas temperature, no harmful gas production, and environmental protection.
Owner:HEILONGJIANG SIDATE VETERINARY DRUG

Method for preparing modified magnesium hydroxide flame retardant from salt lake produced light-burned active magnesium oxide

The invention discloses a method for preparing a modified magnesium hydroxide flame retardant from salt lake produced light-burned active magnesium oxide. The method comprises the following steps: adding a proper amount of deionized water into a reaction kettle, weighing the salt lake produced light-burned active magnesium oxide as a raw material, adding the weighed salt lake produced light-burned active magnesium oxide into the reaction kettle, uniformly stirring, weighing a modifier according to the amount (molar ratio) of 1-3% of magnesium oxide, adding the modifier into the reaction kettle, and reacting for a specified time at a certain temperature and a certain stirring speed; and filtering, washing and drying the reaction product to obtain the hexagonal flaky modified magnesium hydroxide flame retardant. The salt lake produced light calcined magnesia is used as a raw material, stearic acid, sodium stearate, oleic acid, sodium oleate and silane are used as modifiers, the process is simple, the needed raw materials are few in variety, the production cost is low, and the obtained hexagonal flaky oily magnesium hydroxide is high in purity and good in compatibility with high polymer materials and has great application value and market value.
Owner:WESTERN MINING GROUP +2

Environment-friendly steam intelligent remote control electric three-wheel car washer

The invention discloses an environment-friendly steam intelligent remote control electric three-wheel car washer. The environment-friendly steam intelligent remote control electric three-wheel car washer is characterized in that a rear cargo box is arranged at the upper end of a tricycle frame, a booster pump is arranged on the rear upper side of the middle part of the rear cargo box, a three-wayball valve is arranged at the left end of a water outlet of the booster pump, a cold water pipe is arranged at the lower end of the three-way ball valve, and a water spray gun connecting joint is arranged at the bottom end of the cold water pipe. According to the environment-friendly steam intelligent remote control electric three-wheel car washer, the structure us simple, the design is reasonable, the technology of soft water cleaning of a ceramic membrane filter core of a water purifier and a resin water softener filter core is adopted, the inner wall of a high-temperature coil pipe has a cleaning-free function, environment-friendly steam intelligent remote control electric three-wheel car washer does not generate scale, does not block a high-temperature water pipe and is durable, the sewage discharge generated by traditional car washing is reduced, water resources are saved, the environmental pollution is reduced, and the ecological environment is protected.
Owner:阜阳市长海环保设备科技有限公司
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