45results about How to "Reduce material selection requirements" patented technology

The invention relates to the technical field of electronic cigarettes, in particular to an electronic cigarette atomization core and a preparation method thereof. The electronic cigarette atomizationcore comprises a heating body and a tar storage body connected with the heating body; the heating body comprises a first ceramic block and a heating mesh embedded in the first ceramic block; the heating mesh comprises electrodes, a heating wire assembly connected between the electrodes and fixing pins. The depth of the electrodes and the heating wire assembly embedded in the first ceramic block is0.5-1 time of the thickness of the heating mesh; the depth of the fixing pins embedded in the first ceramic block is 0-1 time of the thickness of the first ceramic block, and the included angle between the fixing pins and the heating wire assembly is 0-180 degrees. By means of the mode, the heating mesh is not prone to being separated from the first ceramic block when heated, the requirement formaterial selection of the heating mesh and the first ceramic block is lowered, meanwhile, the requirement for the preparation process of the heating body is lowered, and the production yield is increased.

The invention discloses a recombined bamboo floor manufacturing method and relates to the technical field of bamboo product manufacturing. The method includes the steps that bamboos which are over four years old are broken into bamboo strips, and dried bamboo strips containing phenolic resin are manufactured through the procedures of carbonizing, drying, gum dipping, secondary drying and the like; then, bamboo strip square stocks with the density being 1.0-1.1 kg/cm<3> are manufactured by pressing the bamboo strips through a pressure machine and curing the bamboo strips through a curing oven; then, the square stocks are sawn into floor materials in a certain specification according to needs; finally, recombined bamboo floor products are manufactured through moisture control, planing, polishing, paint spraying and the like. The method can solve the problems that common bamboo floor manufacturing is limited in material source, and the service life is short.

The invention relates to a method for preparing a reconstituted bamboo floor through an efficient glue dipping technique. The method for preparing the reconstituted bamboo floor through the efficient glue dipping technique comprises the following steps of A, material selecting; B, cutting-off; C, shredding; D, two times of drying; E, glue dipping; F, pressing; G, dividing; and H, post-treatment. The elasticity modulus of the floor is not smaller than 7855 MPa, the static bending strength of the floor is not smaller than 96 MPa, and the glue stripping rate of the floor in boiling water is zero. By the adoption of the method for preparing the reconstituted bamboo floor through the efficient glue dipping technique, the problems that when an ordinary floor is manufactured, material limitation exists, and the service life is short can be solved.

The invention provides a method for improving the shale oil hydrorefining denitrification rate, and relates to a whole fraction shale oil hydro-denitrification process. The method aims at solving the technical problems that in the existing method for producing diesel oil through shale oil hydrorefining, the stability of a diesel oil product is low, and the operation running period of a hydrorefining catalyst is short. According to the method, a raw material pretreatment unit 1, a raw material pre-fractionation unit 2, a primary hydrorefining reaction unit 3, a secondary hydrorefining reaction unit 4 and a product fractionation unit 5 are used. When the method provided by the invention is used for processing shale oil, the light oil yield is high; the nitrogen content of the diesel oil product is low; the chromaticity and the stability conform to national V standard requirements; the goal of light oil product deep denitrification can be achieved; the service life of the hydrorefining catalyst is prolonged; the operation running period of the catalyst is improved. A main product of the method is hydrorefining diesel oil; byproducts are high-value LPG and hydrogenated naphtha; heavy shale oil and hydrogenation tail oil thrown out in the technical process can be further processed and used in a downstream device. The method provided by the invention belongs to the field of whole-fraction shale oil deep processing.

The invention discloses an electric synergistic heat supply reforming reaction system which comprises a reforming reactor and an electric synergistic heat supply device, a flue gas convection area anda reforming reaction area are formed in the reforming reactor, and the flue gas convection area comprises a flue gas distribution device and a flue gas flow guide device. According to the electric synergistic heat supply reforming reaction system, by switching the heat contribution ratio of electric heating to flue gas heating, the reactor continuously and stably operates when either electric power or fuel gas is insufficient in supply; electric synergistic heat supply is adopted, the reforming reactor is high in starting speed, and the reactor can enter a stable production state within a fewminutes; convection smoke is generated in a non-open-fire catalytic combustion mode, the combustion temperature of catalytic combustion is low, and generation of NOx gas is remarkably reduced; meanwhile, an ultra-high-temperature area in the reactor is avoided, the requirement for reactor material selection is lowered, the service life of equipment is prolonged, and wide application prospects areachieved.

The invention provides a lower electrode assembly and semiconductor processing equipment comprising the lower electrode assembly. The lower electrode assembly comprises a substrate, a tray, a tray support, a heater and a lifting mechanism, wherein the substrate is used for conveying and carrying a wafer; the tray support is connected with the tray to support the tray; the heater is arranged in the tray; and the lifting mechanism is connected with the tray support and used for lifting and descending the tray so that the heater can better heat the wafer. According to the lower electrode assembly, the heating efficiency and the heat utilization rate are improved, and cost is lowered.

The invention discloses a supercritical hydrothermal combustion device capable of realizing temperature control and pressure control. The supercritical hydrothermal combustion device comprises a generator end cover, a mixing barrel, a reactor wall and a spiral cooling barrel. A nozzle platform is arranged at the bottom of the reactor end cover, is provided with an oxidant spiral nozzle, and is in threaded connection with an atomizing nozzle to ensure that fuel and an oxidant are uniformly mixed. A heat preservation groove is formed in a connecting barrel so that it can be guaranteed that the fuel is heated to the set temperature by a heating rod. Water in a cooling spiral channel flows downwards to cool a combustion chamber, then enters a mixing spiral channel and is mixed with reaction fluid flowing out of a mixing barrel outlet hole group, and the temperature control target is achieved. A necking-down structure of the middle of the combustion chamber, a necking-down structure of the bottom of the combustion chamber, the mixing cylinder outlet hole group and the like can achieve the purpose of pressure control.

The invention discloses an automobile rope wheel type glass lifter system which comprises a guide rail, a bracket, a motor, a winding wheel and an inhaul cable. An output shaft of the motor is connected with the winding wheel. The bracket and the guide rail are in sliding fit. A guide portion is arranged on the bracket. One end of the inhaul cable is fixed and wound on the winding wheel, and the other end of the inhaul cable is fixed to the end of the guide rail after passing through the guide portion. The guide portion is arranged on the bracket, one end of the inhaul cable is fixed and woundon the winding wheel, the other end of the inhaul cable is fixed to the end of the guide rail after passing through the guide portion, the output torque of the motor can be greatly reduced, under thesame conditions, the power requirements for glass ascending and descending can be met through the low-torque and small motor, the material selection requirements of glass lifter parts are low, and the structure is simple.

Disclosed is an environmental protection type flexible graphite packing for recovery characterized in that, subjecting the leftover bits and pieces of reclaimed flexible graphite plate material or less qualified filling product to compression, shearing and disintegration, producing graphite granulate, and compression moulding.

The invention discloses a casting method of an integrated water-cooled motor casing of a prefabricated spiral channel. The casting method comprises the steps of providing the prefabricated spiral channel: fixing the prefabricated spiral channel to a casting die; introducing a cooling medium to the spiral channel; and forming by adopting a low-pressure casting process so as to obtain the high-quality integrated water-cooled motor casing. According to the casting method, the cooling medium is introduced into the circulating channel during casting, so that a pipeline of the prefabricated spiral channel can be prevented from being softened and deformed and even molten by alloy liquid during casting, an inner cavity of the pipeline is not damaged, and the production process and the product reliability are guaranteed. According to the casting method, the prefabricated spiral channel is made of materials which are the same as or close to that of the motor casing, so that the pollution of thechannel materials on the base material of the motor casing can be avoided or reduced when the waste motor casing is recycled and melted.

The present invention discloses one kind of protector for inner thread in petroleum steel pipe and its making process. The protector includes one ring rigid skeleton, one plastic outer layer with bottom and outside the skeleton, and one core layer in between. It is made through the steps of making ring rigid skeleton, injection molding the core layer outside the rigid skeleton, and injection molding outer plastic layer. The present invention has the advantages of high impact resistance, capacity of matching with the inner thread in protected pipe for effective protection, simple making process, low cost, capacity of being reused, etc.

The invention belongs to the technical field of the protective jacket, and particularly relates to a waterproof protective jacket for electronic equipment. The waterproof protective jacket comprises a protecting sheet, a protective shell, a first sealing plug and a second sealing plug; the protecting sheet comprises a transparent sheet area, a frame part and an enveloping end part; and the protective shell at least comprises an opening end part and a closed end part. According to the waterproof protective jacket provided by the invention, a better sealing structure is formed by the close cooperation between the protective shell and the protecting sheet by a waterproof bulge and a waterproof slot on at least two sides and the cooperation of an outer locking shell. The waterproof protective jacket is strong in air-tightness and good in waterproof effect; in addition, the material selection requirements of the protective shell, the protective shell and the outer locking shell are not high, and the material cost is low.

The invention discloses an installation device for outside rear-view mirrors of an automobile. The installation device has the advantages of low requirement on selecting buckling materials, less parts manufacturing process, high efficiency, easiness in disassembly and installation, good sealing performance, firmness in installation and low mould cost. The installation device comprises a decorative cover, a positioning column and a clamping buckle, wherein the positioning column is arranged at the end part of the decorative cover, the clamping buckle is arranged in the middle of the decorative cover, and the decorative cover, the positioning column and the clamping buckle are in integral injection molding.

The invention discloses a device for horizontally utilizing biomass fuel to continuously produce combustible gases. The device comprises a housing, and the housing is columnar and horizontally placed. The upper side of the housing is connected with a storage chamber, and the upper end of the storage chamber is connected with a feed hopper. A combustion head is arranged in a right-side inner cavity of the housing, and an air inlet and a waste outlet are formed in the right end part of the housing. A punching piston and a pushing piston are arranged in a left-end inner cavity of the housing from left to right sequentially, and a plurality of horizontal through rods are arranged on the punching piston. One end of each through rod is connected with the punching piston, and the other end of each through rod can penetrate through the pushing piston. Ventholes are formed in the punching piston and the pushing piston, the punching piston is connected with a second hydraulic cylinder, and the pushing piston is connected with a first hydraulic cylinder. A fuel gas outlet communicated with an exhaust fan is formed in the left-end part of the housing. The device has the advantages of simple structure and low cost, can continuously produce the combustible gases in a high-efficient mode, has a lower requirement on raw materials, can sufficiently combust, and has little influence on environment and a higher conversion rate.

The invention provides a circuit protector, which comprises a case, a first lead-out end, a second lead-out end, a switch assembly, a protection body and a heating body, wherein the first lead-out end and the second lead-out end are respectively led out from the case; the switch assembly, the protection body and the heating body are positioned in the case; the switch assembly and the heating body are connected in parallel with the first lead-out end and the second lead-out end; the protection body controls the on-off state of the switch assembly; and the protection body is a high-expansion filling object. The circuit protector provided by the invention can be used for protection for many times, and in addition, the resistance in the protector is stable.