31results about How to "Long continuous service life" patented technology

The invention relates to a ladle permanent lining and a manufacturing method of the ladle permanent lining, and belongs to the technical field of ferrous metallurgy ladle lining fireproof material. The ladle permanent lining is laid on the inner wall of a shell (6) of a ladle and sequentially comprises a ladle bottom permanent lining (1), a ladle wall permanent lining (3) and a ladle nozzle permanent lining (10) from bottom to top. The ladle permanent lining is characterized in that the ladle permanent lining is manufactured by minimum-inflation artesian flow castable in a segmented casting mode, an overall casting forming die is not used, and the ladle permanent lining and a bricked working lining are constructed synchronously. The technological process of repairing and laying the ladle lining is simplified, the problem that in the prior art, the bricked working lining leaks steel because the high-aluminum artesian flow castable shrinks in the hardening process is solved, compared with the prior art, the service life of the ladle working lining is prolonged by 150 furnace round-200 furnace round, and the cost of ladle fireproof material is reduced by over 15%.

The invention relates to a steel ladle composite working lining and a repairing method for a slag line position thereof. The steel ladle composite working lining comprises a steel ladle shell, a permanent lining insulating refractory plate and permanent lining castable are arranged on the inner wall of the steel ladle shell, the upper portion of the permanent lining castable at the ladle bottom is provided with ladle bottom working lining castable, ladle wall working lining castable, a slag line part, single-ring ladle opening bricks and ladle edge castable from bottom to top, and water gap seat bricks and air permeable seat bricks are arranged in the ladle bottom working lining castable; the slag line part is arranged to be divided into an inner ring and an outer ring, and the inner ring comprises slag line bottom inner ring bricks and slag line inner ring alumina-magnesia-carbon bricks from bottom to top; the outer ring comprises slag line bottom outer ring bricks and slag line outer ring magnesia-carbon bricks from bottom to top. When the slag line position of the steel ladle composite working lining is subjected to the first minor repair, the second minor repair and the first medium repair, the used slag line bottom inner ring bricks and the slag line inner ring alumina-magnesia-carbon bricks are reserved, only the slag line bottom outer ring bricks and the slag line outer ring magnesia-carbon bricks are dismantled and replaced, and therefore the consumption of the working lining slag line magnesia-carbon bricks is reduced.

The invention discloses a rotary long-service-life multi-arc target and a using method thereof. The rotary long-service-life multi-arc target comprises an arc striking device, an anode device and a rotary electric arc target device, the rotary electric arc target device comprises an annular arc target material and a target material rotation driving mechanism, the annular arc target material is arranged at the output end of the target material rotation driving mechanism, and the arc striking device and the anode device are arranged on the outer sides of the two opposite faces of the annular arctarget material correspondingly. The using method of the rotary long-service-life multi-arc target comprises the following steps: of driving the annular arc target material to continuously rotate through the target material rotation driving mechanism, taking an area between the arc striking device and the anode device as a sputtering area in the rotating process, exciting the surface of the annular arc target material in the sputtering area to sputter a required coating material by using the arc striking device and the anode device which are fixed, and continuously coating a workpiece or a base material passing through the sputtering area. By means of the rotary long-service-life multi-arc target and the using method, the continuous service life of the target material can be effectively prolonged, the target material can be well applied to a continuous coating and long-time working production line, and meanwhile the coating effect is improved.

The invention discloses an easy-in-dimming heat-radiating streetlamp which comprises a lamp shell, a lamp cover and LED lamps slidably mounted on the lamp cover through a sliding ball. A sliding groove is formed in the lamp cover, and the sliding ball is slidably arranged in the sliding groove and driven to slide on the sliding groove through a slider driving structure. Distance among the LED lamps can be controlled and adjusted through an electric extensible push rod, illumination range or illumination intensity can be adjusted and controlled according to needs through two groups of the LED lamps, and impact of shadows on sight line can be reduced by designing multiple groups LED lamps; by designing multiple heat conducting cavities and heat conducting pieces, heat radiation is ensured effectively on the basis of the LED lamps, and continuous service life of a lamp set is prolonged.

The present invention discloses an insulating sleeve structure for new energy vehicle battery assembling. The structure comprises: a first adapter, wherein the upper portion of the first adapter is circular and is provided with a square standard slot, and the lower portion of the first adapter is provided with a cross-shaped plug; a middle insulation connection body, wherein the outer surface of the middle insulation connection body is provided with a first cylindrical structure, the middle portion of the first cylindrical structure comprises a cross-shaped plug, and the external portion of the first cylindrical structure is provided with four grooves with inclination angles of 45 degrees; and a second adapter, wherein the outer surface of the upper half portion of the second adapter is provided with a second cylindrical structure, the external portion of the second cylindrical structure comprises four stand columns with inclination angels of 45 degrees, and the lower half portion of the second adapter is a standard square head. The insulating sleeve structure is simple and reasonable, and convenient to install and use. the middle insulation connection body only bears the pressureload and does not load the torsion load so as to ensure that the insulation sleeve can bear large torque load, the insulating sleeve structure is high in withstand voltage, long in service life, goodin insulation effect and safe and reliable.

The invention provides a kind of cold cathode light tube, it includes cold cathode light tube, lamp holder, control circuit. The cold cathode light tube is set o the lamp holder, the lamp holder connects with the control circuit; the cold cathode source is used as the lamp-house of the lamp, it connects with the solar battery and transforms the solar energy into electric energy.

The invention relates to the field of electrocatalytic oxidation, and discloses a method for preparing an electrode material for a three-dimensional electrode, the method comprises the following steps: impregnating an alumina matrix in an impregnation liquid containing metal ions, and sequentially drying and roasting the alumina matrix after the impregnation is completed, and the roasting is carried out under the protection of an inert atmosphere. The electrode material prepared by the method provided by the invention has the advantages of high applicability, good stability, high catalytic activity, low energy consumption per unit chemical oxygen demand, difficult loss of active components, long continuous service life and the like, can be regenerated and reused for multiple times, and is suitable for large-scale industrial production and application.

The invention provides a vanadium nano electrothermal material, belongs to the technical field of branch nanomaterials of new material large classes, and particularly provides a vanadium nano electrothermal material body mainly formed by vanadium. The nanomaterial is formed in the manner that vanadium, nickel, tungsten and chromium at the mass percent of 40%-80%-10%-30%-5%-16%-0%-15% are embed-plated on base materials with different sizes and shapes such as the pipe shape, the plate shape, the piece shape, the strip shape and the round shape made of quartz glass, ceramic and other materials with specially-treated surfaces through sputtering. The thickness of a film is 5,000-20,000 nanometers, the material has the properties that the electrothermal conversion rate is high, heating is extremely rapid, the heating surface temperature is high, the durability is long, the material is resistant to scratching and does not disengage, the power is not attenuated, and the magnetic radiation is low, and power can be supplied through 10 V-220 V alternating and direct currents. The material is prepared into various heating assemblies and designed into various novel electric appliances and equipment, the beneficial effects that instant heating is achieved, the cost performance is high, energy is saved, and environmental friendliness is achieved are achieved, use is easy, and the applicationrange is wide. The vanadium nano electrothermal material fills up the blank of the world in the field of electrothermal heating application and has extremely high use value and broad application prospects.

The invention discloses a double-order single-screw tap used for holder assembly double threaded hole machining. The tap comprises a first section part and a second section part which are connected into an integral formed structure; the first section part comprises a first-order tap, a tool withdrawal groove and a second-order tap which are connected into an integral formed structure; the front end of the first-order tap is provided with a front blade B, and the outer circumference of the first-order tap is provided with a first-order thread; the front end of the second-order tap is provided with a front blade A, and the outer circumference of the second-order tap is provided with a second-order thread; and the outer circumferences of the first section part and the second section part areprovided with flutes, and the rear part of the second section part is provided with a cutter handle. According to the tap, controllable batch machining of a machine tool is realized, the serious quality problems that double threaded holes are different in concentricity and not uniform in perpendicularity are solved, and the quality of the machined same set of matched products is guaranteed to be 100% qualified, which cannot be guaranteed by manual thread machining; and in particular, when threaded holes of a holder are more, the production mode of a matched supporting column is changed from traditional single selecting and matching to standardized batch production.

The invention relates to the technical field of adsorption separation, and discloses an adsorption material, which comprises an alumina matrix, and polyacrylamide and metal cations loaded on the alumina matrix. The adsorption material provided by the invention is high in adsorption efficiency, large in unit adsorption capacity and long in continuous service life, and has the advantages that the preparation method is simple, the adsorption material can be regenerated and repeatedly used for multiple times, and the performance is still stable after the adsorption material is repeatedly used for multiple times. The method is especially suitable for adsorption treatment of dye wastewater, the treated wastewater can reach the discharge or biochemical treatment standard, and the method is suitable for industrial large-scale production and application.