43results about How to "No preheating required" patented technology

The invention relates to a method for extracting methyl cyclopentadiene from ethylene cracked C9 heavy fractions, which comprises the following steps of: (1) preheating C9 heavy fractions serving as a raw material and conveying to a depolymerizing reactor; (2) performing depolymerization reaction on the raw material; (3) adding a gas-phase material generated by depolymerization into a rectifying column T1; (4) adding a mixture of coarse cyclopentadiene and coarse methyl cyclopentadiene generated in the step (3) into a rectifying column T2 for further rectifying; (5) adding the residual material in the depolymerizing reactor into a coumarone resin reaction kettle to generate coumarone resin; (6) performing dimerization on the cyclopentadiene material to obtain dicyclopentadiene; (7) performing dimerization on the methyl cyclopentadiene material to obtain methyl cyclopentadiene dimer; and (8) adding the methyl cyclopentadiene dimer into a rectifying column T3, rectifying under reduced pressure, and removing light fractions on the tower top and heavy fractions at the tower bottom to obtain the methyl cyclopentadiene dimer on a side line. The method is simple and suitable for industrial application; and the purity of a product is not less than 98 percent.

The invention relates to an online simultaneous monitoring sensor and an online simultaneous monitoring method for COD (Chemical Oxygen Demand) and nitrogen content of nitrate. The online simultaneous monitoring method is characterized by comprising the following steps: absorbing characteristics of ultraviolet light by using substances to be detected in water based on a Lambert-Beer principle and establishing a relation of absorbance and concentration of the substances to be detected; establishing a linear relation by using an absorbance value of a water sample at 254nm part and a chemical oxygen demand concentration value of the water sample; and establishing a linear relation between the absorbance value of the water sample at 210nm part and the nitrogen content of the nitrate. The monitoring method comprises two steps of calibrating the sensor and testing the water sample; and the measurement range on the chemical oxygen demand of the sensor provided by the invention is 0mg/L-50mg/L and the measurement range on the nitrogen of the nitrate is 0mg/L-7mg/L. The obvious superiority is displayed and the sensor can be directly put into water to measure so as to meet the detection requirements of a common water body.

The invention provides multifunctional baking equipment. A box body of the baking equipment comprises a control panel and a heating part, wherein the control panel is installed in the box body; the heating part comprises partition layers and heating elements; the partition layers are arranged on the six surfaces of the inner wall of the box body, at least two partition layers at the inner wall position are internally provided with the heating elements, and the heat elements are connected with the control panel correspondingly; the heating elements are made of flexible heating material; and thecontrol panel control the heating elements of one or more surfaces in the box body to heat the inner cavity of the box body. The multifunctional baking equipment is high in heating speed, no need ofpreheating, uniform in heating of food and high in thermoelectric conversion rate, and capable of meeting cooking requirements under different conditions.

The invention discloses a strong-impact-resistant and wear-resistant surfacing electrode, which is prepared by, by weight parts, 40-45 parts of core and 55-60 parts of covering. The core is H08A. The covering comprises, by weight parts, 1-4 parts of marble, 1-4 parts of fluorite, 10-25 parts of rutile, 10-25 parts of titanium dioxide, 10-20 parts of ferrous powder, 0.2-1.5 parts of ferrotitanium, 30-60 parts of mid-carbon ferro-manganese, 1-5 parts of high-carbon ferrochrome, 10-20 parts of chromium metal, 2-10 parts of ferromolybdenum, 1-4 parts of nickel powder, 0.5-2 parts of sodium carbonate, 0.5-2 parts of rare earth ferrosilicon and 10-20 parts of sodium potassium silicate. The surfacing electrode has the advantages of fine welding manufacturability, high hardening rate in surfacing metalworking and excellent resistance to chipping type impact and wear, prolongs the service life of workpieces greatly and reduces maintenance cost thereof, and has better economic and social benefits.

The invention discloses an electric water heater for daily use, which is characterized in that: an instant electric heater, a water flow switch and a water resistance electric shock-proof isolation pipe are serially connected and added to the rear part of a hot water pipe; the water flow switch can be positioned behind or in front of the instant electric heater; and the water resistance electric shock-proof isolation pipe must be arranged behind the instant electric heater. In the electric water heater, the instant electric heater can automatically heat by turning on a hot water tap when a water temperature in a water storing barrel is relatively low so that a user can use hot water immediately and conveniently; because the instant electric heater only heats the water flowing out, the electric water heater avoids energy waste caused by heating unused water in the water storing barrel; and because of the added water resistance electric shock-proof isolation pipe, the electric water heater can still guarantee the safety of the user when conventional electric shock-proof measurements become invalid. Because a pre-heating electrical heated tube is arranged in the electric water heater,the pre-heating device is started to heat when the water temperature in the water storing barrel is relatively low. Thus, the design power of the instant electric heater is greatly decreased and therequirement on a wire diameter of a power wire of the user is lowered.

The invention relates to a high-speed atomizer based on a magnetic suspension bearing permanent magnet synchronous motor. The high-speed atomizer comprises a permanent magnet synchronous motor, a loading and distributing mechanism of the atomizer and an atomizing wheel, wherein the permanent magnet synchronous motor is integrated with a high-frequency power supply; a magnetic suspension radial bearing and a magnetic suspension axial bearing are arranged in the permanent magnet synchronous motor to provide radial and axial support for a motor shaft; the extending-out end of the motor shaft is sequentially provided with the loading and distributing mechanism of the atomizer and the atomizing wheel in a sleeving mode; and the loading and distributing mechanism of the atomizer is composed of a distributor and a feeding tube. The high-speed atomizer adopts the permanent magnet synchronous high-speed motor which is integrated with a large-power high-frequency power supply and magnetic suspension bearings to directly drive the atomizing wheel, so that speed regulation range for the rotation speed of a rotor is large; when rotating at a high speed, a rotor shaft is completely supported by the magnetic suspension bearings, and is not in direct contact with other parts, so that lubricating is not required, and therefore, the problems of easy abrasion, a short service life, high operation cost and the like of a current atomizer are completely solved.

The invention relates to a low-pressure wireless hair dryer. The low-pressure wireless hair dryer comprises an air cylinder and a handle, wherein the air cylinder is communicated with an inner cavityof the handle, the air cylinder is internally provided with a heating part, the heating part comprises a heating element, the heating element is made from a flexible material, and electro-thermal conversion can be achieved under a low voltage condition; the handle is internally provided with a circuit control board and a battery, the heating element and the battery are connected with the circuit control board separately, and the battery supplies power to the heating element through the circuit control board. The low-pressure wireless hair dryer can work under low voltage, has high safety performance, is not restricted by the use environment, and is convenient to store and use.

The invention discloses an information detection system. The system comprises a contact image sensor CIS and a terminal device, wherein the CIS is used for acquiring images of to-be-detected information on a soft-packed film plane, and also for transmitting the images to the terminal device; the terminal device is connected with the CIS, and is used for receiving the images and detecting the accuracy of the to-be-detected information or acquiring content corresponding to the to-be-detected information according to the images; without an optical lens, the CIS can be close to the soft-packed film plane at a short range and does not have distortion when acquiring images, so that the accuracy of the method for detecting to-be-detected information on a soft-packed film plane in the prior art can be improved.

The invention relates to the field of renewable energy fuels, in particular to a composite industrial fuel oil so as to solve the problem that existing industrial fuel oil has a lot of drawbacks. The fuel oil is composed of the following raw materials by volume fraction: modified coal tar, biodiesel, a composite additive and a combustion-supporting agent. The modified coal tar has a density of 1.035-1.06g/ml at 20DEG C, a distillation range of 230-300DEG C, a phenol content of less than 0.5%, a naphthalene content of less than 0.5%, and viscosity E50 greater than 1.5%. The compound additive is any of diethanolamine, triethanolamine, 2, 6-butylated hydroxytoluene or a mixture of several of them in any proportion. The combustion-supporting agent is any one of non-aromatic hydrocarbon (referring to a hydrocarbon compound without benzene ring in the field), C8 aromatic hydrocarbon, C9 aromatic hydrocarbons, calcium naphthenate, magnesium naphthenate, iron naphthenate, and ferrocene or a mixture of several of them in any proportion. The composite industrial fuel oil provided in the invention has the characteristics of excellent performance, safety and environmental protection, convenient use, good adaptability, improved fuel economical efficiency, storage suitability, and supply reliability, etc.

The invention relates to an ultrasonic inner sheet manufacturing machine. The manufacturing machine is characterized by comprising a feeding mechanism, a working platform and a finished product receiving and conveying platform, wherein, the feeding mechanism comprises a first feeding roller, a second feeding roller and a breakage monitor; a first open inside-cutter die, an ultrasonic welding die and a finished product outside-cutter die are sequentially arranged above the working platform, and a second open inside-cutter die is arranged below the working platform; an ultrasonic cabinet is arranged below the ultrasonic welding die; a conveying belt is arranged on the working platform at the rear side of the finished product outside-cutter die; and a receiving box is arranged on the finished product receiving and conveying platform. According to the invention, the ultrasonic inner sheet manufacturing machine adopts ultrasonic waves to finish the manufacturing of the inner sheet of a film; as the surface of the film does not directly contact with external heat energy, the surface of the film does not deform, the product has a beautiful appearance, and the quality is stable; and in addition, the ultrasonic inner sheet manufacturing machine does not need heating, and has low energy consumption and high efficiency.

The invention discloses a quality and voltage withstanding test device for a high-energy-storage-density capacitor. The test device is composed of a charging power source, a discharge circuit, a signal processing unit, a control system and a computer. The input terminal of the charging power source is connected to commercial power and the output terminal is connected in series with a current-limiting resistor and a discharging loop to form a main test loop; a test capacitor, a discharge switch, a modulated inductor, a modulated resistor are connected in series successively to form the discharge circuit; and the charging power source, the current-limiting resistor, the discharge circuit, the signal processing unit, and the control system are connected successively to form a closed-loop feedback system. According to the quality and voltage withstanding test device with the perfect functions, quality testing and voltage withstanding testing of capacitors with different capacitance valuescan be carried out under conditions of different voltages, frequencies, and discharge currents.

The invention relates to a cooking range and a heating combined device by using an optical alcohol complementary method. The combined device comprises a solar heat collecting plate (1), a solar hot water accumulator (3), a liquid methanol storage vaporizer (4), a household gas stove (6), and a heating wall-hanging furnace (7) and the like. According to the cooking range and the heating combined device by using the optical alcohol complementary method, a novel clean fuel gas is developed by combining two kinds of clean energy, namely the solar energy and the methanol, the methanol can be savedby using the novel clean fuel gas, and the novel clean fuel gas can be ignited and used in real time without preheating; and moreover, no pollutant is discharged during the combustion, high efficiencyand energy-saving performance are achieved, the use is safe and reliable, the application is very wide, and the application prospect is very good.

The invention discloses a maskless scanning exposure method based on a UV-LED photoetching light source and a photoetching machine, and the method comprises the steps: employing the UV-LED light source as the photoetching light source, and forming a dot-matrix exposure field; wherein an emergent light beam of the UV-LED light source forms a plurality of exposure point areas arranged in a dot-matrix manner on the surface of the wafer through the micro-lens array, and the wafer is mounted on the wafer workpiece table; during exposure, controlling the wafer workpiece table \ by the control systemto carry out stepping scanning motion, and completing exposure of the whole wafer. According to the invention, through stepping scanning motion of the wafer workpiece table, an infinite exposure areacan be realized, and the exposure efficiency can be improved.

The invention belongs to the technical field of alloy materials, and discloses powder capable of being used for improving the fracture performance of a stainless steel surface micro crack laser repaired piece. The composite powder comprises, by weight percent, 1%-10% of nano WC and the balance micron-level stainless steel powder. The above powder is subjected to mechanical ball milling to be sufficiently mixed and then is blended through absolute ethyl alcohol to be further evenly mixed. The stainless steel powder comprises, by weight percent, 0.08% of C, 0.5% of Si, 1.46% of Mn, 0.03% of P, 0.005% of S, 19% of Cr, 9.5% of Ni, 0.5% of Mo and the balance Fe. The provided composite powder is particularly suitable for laser repairing of a stainless steel component surface micro crack with the fracture performance requirement. Under the laser repairing action, the composite powder and the stainless steel surface micro crack are sufficiently and evenly fused, grain of a repairing layer is refined through nano WC powder, the sharp end of the surface micro crack is effectively closed, the problem about the stainless steel surface micro crack is solved, and the fracture performance of a workpiece is greatly improved.

The invention discloses an isolated electric water heater and relates to the field of electric water heaters. The isolated electric water heater comprises a heating module and a water storage heat insulation module; a circulating water pump is arranged above a water inlet end of the heating module; a water outlet end of the heating module is connected with a water inlet end of the water storage heat insulation module; and a water outlet end of the water storage heat insulation module is connected with a water faucet and is connected with the water inlet end of the heating module through a one-way three-way valve to form a circulating water path. The isolated electric water heater not only can preheat water in a water tank in advance like a water storage type water heater but also can get hot water while being turned on like an instant electric water heater; and as the circulating water pump is embedded in the isolated electric water heater to heat water in the circulating water path, afunction of zero cold water is realized. As the water pipe material of the circulating water path between a heat insulation water storage tank and the water heater is insulated PPR, and water in thewater path has a resistance effect, resistance, voltage dropping and electric isolation effects are realized.

The invention relates to the technical field of heating, in particular to a pipelined water heating heater which comprises an electrical heating module, a control circuit and a heating radiator, wherein the electrical heating module comprises a rectangle blocky structured module body; a water inlet and a water outlet are formed in the side walls of the module body; a plurality of blind holes are longitudinally formed in the module body in a longitudinal extending manner at equal intervals in a single-row arrangement array; the water inlet is formed in the outer wall of the first blind hole at the head of the row; the water outlet is formed in the outer wall of the tail blind hole at the tail of the row; and front side through holes and rear side through holes communicating with adjacent blind holes are formed in left side walls and right side walls of other blind holes. The pipelined water heating heater is compact in structure, directly heats circulating water in a pipeline without preheating, and can meet the demand of timely heat supply without a water tank.

The invention discloses a ship ballast water treatment device, a system and a method thereof. The device comprises a photolysis chlorine disinfection treatment chamber and an ultraviolet lamp with a wavelength of 285 nm, the photolysis chlorine disinfection treatment chamber is provided with a ballast water input port, a ballast water output port and a hypochlorous acid adding port; the ultraviolet lamp with the wavelength of 285 nm is arranged in the photolysis chlorine disinfection treatment chamber; the hypochlorous acid adding opening is used for adding hypochlorous acid into the photolysis chlorine disinfection treatment chamber; ship ballast water flows into the photolysis chlorine disinfection treatment chamber through the ballast input port, and hypochlorous acid enters the photolysis chlorine disinfection treatment chamber through the hypochlorous acid adding port and is radiated by the ultraviolet lamp with the wavelength of 285 nm in the photolysis chlorine disinfection treatment chamber to be subjected to photolysis chlorine disinfection. By applying the invention, the requirements of a ballast water treatment system on high ultraviolet irradiation dose and high oxidantconcentration can be reduced, the energy consumption and environmental risk in the prior art are reduced, and the efficiency and reliability of ballast water treatment are improved.

The invention discloses a cup with a cover and a sealing machine for the cup with the cover. An upper mold is installed on a supporting assembly and provided with an ultrasonic transducer, during sealing, the upper mold descends to work in cooperation with a lower mold, and therefore the cup cover and a cup body can be subjected to ultrasonic welding. Compared with the prior art, the cup has the advantages that the cup body and the cup cover can be quickly bonded; preheating is not needed, the speed is high, and safety is higher; and a reciprocating feeding device and a lifting driving device are matched to work, so that continuous work can be realized, and the working efficiency is improved. Compared with the prior art, the cup with the cover has the advantages that an initial sealing state is achieved, the cup is sanitary and convenient to transport, the cup cover can be repeatedly opened and covered, one-time drinking is not needed, splashing is not prone to occurring, and the requirements of merchants and vast consumers are met.

The invention relates to a spraying adsorption type steam generating device, which comprises a working bin, a water mist spraying unit, a metal porous adsorption unit and a high-temperature radiation heating unit, wherein the water mist spraying unit is used for forming atomized liquid drops; the metal porous adsorption unit is used for capturing the atomized liquid drops and absorbing heat radiation; the high-temperature radiation heating unit is arranged opposite to the water mist spraying unit; the atomized liquid drops formed by the water mist spraying unit collide with the surface of the metal porous adsorption unit and are diffused to the whole metal porous adsorption unit; and after heat radiation is absorbed, the water is evaporated into steam. The device provided by the invention can quickly obtain steam including high-temperature steam and low-temperature steam; the steam quantity can be controlled by the flow of a nozzle as required, and no water is accumulated; boiling phase change occurs in a metal porous medium layer, so that heat transfer deterioration caused by membrane boiling is avoided; liquid is not in direct contact with a heating surface, and water scale deposits in the metal porous medium layer and does not cover the heating surface, so heat transfer is not affected.