12results about How to "Reduce utilization cost" patented technology

The present application belongs to the technical field of biomass catalytic conversion, and particularly relates to a method for preparing polyols by hydrogenation of furfural and its derivatives. The method comprises the following steps: taking furfural and its derivatives as raw materials, hydrogen as hydrogen source, and simultaneously adding a catalyst La2CuO4 / Cu to perform ring-opening reaction to obtain polyols. The catalyst La2CuO4 / Cu has excellent catalytic activity in the reaction of hydrogenation conversion of furfural and its derivatives into polyols, has high activity and selectivity for the rupture of C-O bonds of reactants, improves the yield of polyols, and has mild reaction conditions, realizes recovery and long-time use without deactivation of the catalyst, and reduces the utilization cost.

This invention relates to a method for in-situ synthesis of visible light photocatalytic geopolymers from vanadium-containing solid waste. The technical solution is as follows: vanadium-containing solid waste is ground into powder, and the resulting vanadium-containing solid waste powder is mixed with vanadium pentoxide powder. The resulting vanadium-containing geopolymer precursor is mixed with an alkaline activator and stirred evenly to obtain a vanadium-containing geopolymer slurry. The vanadium-containing geopolymer slurry is placed in a mold, cured, demolded, cured a second time, and crushed to obtain a crushed vanadium-containing geopolymer. The crushed vanadium-containing geopolymer is mixed with deionized water to obtain a vanadium-containing geopolymer aqueous solution. Bismuth nitrate solution is added to the vanadium-containing geopolymer aqueous solution, mixed evenly, and the pH value is adjusted. A hydrothermal reaction is then carried out. Solid-liquid separation, washing, and drying are performed to obtain the visible light photocatalytic geopolymer. This invention can efficiently utilize low-vanadium content and completely eliminate vanadium. The in-situ synthesis of visible light photocatalytic geopolymers from vanadium-containing solid waste not only effectively decomposes organic pollutants under visible light conditions but also effectively fixes vanadium in the vanadium-containing solid waste.

The invention discloses a dead steam waste heat utilization system based on steam compression and an operation method, the dead steam waste heat utilization system is used for recycling waste heat of a waste heat pipeline, the system comprises a control module, and further comprises a softened water supply module, a heat exchange module, a steam compression module and a user output module which communicate in sequence. The number of the waste heat pipelines can be one or more, and the multiple waste heat pipelines are connected in parallel. Each waste heat pipeline can be communicated with one heat exchange module to form a single-stage heat exchange mode; and each waste heat pipeline can also be communicated with a plurality of heat exchange modules in series to form a multi-stage heat exchange mode. The operation mode of the system adopts an automatic control mode to realize automatic start and stop, and automatic adjustment of steam parameters is realized. The scheme has the beneficial effects that waste heat utilization of waste steam heat is realized, the steam recovery efficiency is improved, the utilization cost is reduced, flexible matching design can be realized according to the quality and quantity of waste heat resources, and the scheme has better economical efficiency and popularization value.

The utility model discloses an automobile lamp quick-change buckle type installation support which is applied to the field of automobile lamps and comprises a support body, an adjusting plate is arranged between the inner walls of the support body, a fixing rod is connected to the surface of the adjusting plate in a bolted mode, and an automobile lamp is arranged in the support body. By pulling the fixing block to enable the clamping rod to be separated from the clamping hole, rotating the fixing block to be aligned with the fixing groove, loosening the fixing block to enable the fixing block to slide into the fixing groove, and taking down and replacing the automobile lamp, the purpose of conveniently replacing the automobile lamp can be achieved, the workload is reduced, and the replacing efficiency is improved; the mounting length can be adjusted by loosening the first adjusting bolt and moving the adjusting plate to the required position, and the mounting width can be adjusted by loosening the second adjusting bolt and moving the fixing rod to the required position, so that the purpose of mounting vehicle lamps with different sizes can be achieved, the practical cost is reduced, and the practicability and the applicability are improved.

The invention relates to a hot stamping machine heat dissipation device, and belongs to the technical field of hot stamping machines, the hot stamping machine heat dissipation device comprises a base, a hot stamping plate and a printing table, the hot stamping plate is slidably arranged on the base, the printing table is fixedly arranged on the base and located below the hot stamping plate, a printing stock is placed on the printing table, and the hot stamping plate is used for hot stamping electrochemical aluminum foil to the surface of the printing stock. The printing table and the gold stamping plate are hollow, a vortex tube is arranged on one side of the printing table, the cold end of the vortex tube is communicated with the interior of the printing table, the hot end of the vortex tube is communicated with the gold stamping plate, the inlet end of the vortex tube is communicated with a compressed air supply device, the compressed air supply device introduces compressed air into the vortex tube, and air passing through the cold end of the vortex tube enters the printing table. And the heat dissipation device further comprises a compression tank, air exhausted by the printing table and the gold stamping plate is introduced into the compression tank after being collected, and compression operation is carried out on the air exhausted by the printing table and the gold stamping plate. The printing table has the effect of cooling the printing table conveniently.

The utility model relates to a device for increasing the recovery concentration of sulfuric acid process titanium dioxide waste acid. The device comprises a natural settling tank, a waste acid pump, a precise waste acid filter, a titanium dioxide material recovery tank and a waste acid recovery tank, the precise waste acid filter is arranged on one side of the natural settling tank; the liquid outlet side of the middle part of the natural settling tank is connected with the feeding side of the precise waste acid filter through a waste acid pump; the titanium dioxide material recovery tank and the waste acid recovery tank are respectively arranged below the natural settling tank and the precise waste acid filter; the liquid outlet side of the top of the precise waste acid filter is connected to a waste acid recovery tank; and the bottom ends of the natural settling tank and the precise waste acid filter are respectively connected to a titanium dioxide material recovery tank. The waste acid recycling process does not need to use a flocculating agent, so that the production cost can be effectively saved; meanwhile, the concentration of the recycled waste acid can be effectively increased by 1-2%, the solid content after high-precision filtration of the waste acid is lower than 20 ppm, and the utilization cost and the utilization difficulty can be effectively reduced in the subsequent waste acid utilization process.

The utility model discloses a box production leak equipment, apply in the field of box production, including fixed pipe, the inside of fixed pipe is provided with the leak mechanism, the inner wall sliding sleeve joint of fixed pipe has the connector, the surface screw thread connection of fixed pipe has the protective housing, the utility model discloses through the fixed ball and the joint groove of moving slide cylinder and disengaging joint, take down, the new connector is installed into the fixed pipe, loosens the slide cylinder, makes the fixed ball and the joint groove joint, its fixed mode, can replace the connector's purpose, need not replace this equipment, greatly reduced the use cost, improved practicality and applicability, the utility model discloses through the sealing gasket and the connector pressure of telescopic ring under the action of second spring, because sealing gasket is rubber material, when extruding will expand to all around, the sealing groove is pressed tightly, prevents the connector and fixed cylinder connecting place and leaks, improved sealing effect.

The utility model relates to the technical field of lens processing, in particular to a glasses processing polisher with a chip suction function, which comprises a base, vertical plates are fixedly connected to two sides of the top of the base, and a first motor is connected to the top of the right side of the vertical plate on the right side through a bolt. The output end of the first motor penetrates through the vertical plate on the right side and is fixedly connected with a threaded rod. Through cooperation of the scrap removing bin, the draught fan, the filter screen, the bent pipe and the air suction cover, the scrap suction function is achieved, scraps generated in the lens polishing process can be sucked, in the polishing process, a user can start the draught fan through the controller, the scraps generated in the polishing process can be sucked in by the air suction cover, and the polishing effect is improved. The waste chips enter the chip removal bin through the distribution pipe and the bent pipe, the filter screen in the chip removal bin can filter the waste chips, and finally air in the chip removal bin can be sucked out by the fan, so that the chip suction effect can be achieved, a large amount of waste chips can be prevented from splashing, and a good polishing environment can be improved.

The invention relates to the technical field of metal surface treatment, and discloses a vehicle hardware continuous rack plating method which comprises the following steps: production line layout optimization: according to the size, the shape and the production requirements of a workpiece, a computer simulation and dynamic adjustment technology is adopted, the production line layout is optimized, the workshop space utilization rate is optimized, and a production environment is provided for the continuous rack plating process; ultrasonic-assisted electro-deposition is carried out, wherein the uniformity and compactness of a plating layer are improved; green energy management: supporting the operation of an electro-deposition process; a composite surface modification technology: improving the wear resistance and the surface performance of the workpiece; and intelligent monitoring and operation maintenance: identifying potential faults and carrying out early warning. The production line layout is optimized by adopting computer simulation and dynamic adjustment technologies, the workshop operation state is monitored and optimized in real time in combination with a digital twinning technology, the space utilization rate is increased, invalid movement is reduced, the production line flexibility is enhanced, and the requirements for diversified workpiece sizes and shapes are met.

The feather cutting machine for badminton production comprises a rack, a cutting mechanism and a leftover material collecting box, the cutting mechanism comprises a lifting driving device and a cutting head, a crushing assembly is horizontally and rotationally installed on the inner side of the leftover material collecting box, a rectangular frame is installed at the bottom end of one side of the cutting head, and a cutting assembly is installed on the rectangular frame. A one-way limiting assembly is installed on the inner side of the rectangular frame, and the gear set is meshed with the one-way limiting assembly. Through cooperative arrangement of a rectangular frame, one-way limiting assemblies and gear sets, lifting driving equipment can be utilized to drive a cutting head to cut feathers up and down, and meanwhile the rectangular frame drives the one-way limiting assemblies to move up and down synchronously, so that the one-way limiting assemblies on the two sides of the rectangular frame are alternately meshed with the gear sets; and then the gear set is driven to drive the crushing assembly to continuously rotate in the same direction to effectively crush the feathers, additional electrical equipment is not needed to crush the feathers, the later utilization energy consumption is reduced, and the utilization cost is saved.

The application discloses a wind energy conversion device for a pasture area, which comprises a supporting table and a folding unit. The top and bottom of the supporting table are respectively provided with mounting holes at equal distances in a circumferential array. The center of the supporting table is provided with a circular through groove. A wind cylinder unit is arranged above the circular through groove. A rotating unit is fixedly installed on the top of the wind cylinder unit. A first wind energy conversion unit is arranged in the wind cylinder unit. The wind energy conversion device for the pasture area has the advantages of small land occupation, convenient installation, low practical cost, high wind energy conversion efficiency, high pressure utilization of small wind power, greatly improved operation quality of the wind energy conversion device, difficulty in hurting flying animals, and the capability of cleaning ice layers and ice blocks on fan leaves in winter, and the capability of retracting the fan leaves into the device, so that the fan leaves and the wind energy conversion device are effectively protected.

The present invention provides a method for modifying low-solid-content solid waste slurry into a raw material for ceramsite or sintered products, which relates to the fields of industrial waste, chemical technology and building materials, and comprises the following steps: solid waste slurry with a solid content of 10% to 46% and a solid phase particle size of less than 1 mm is uniformly mixed with auxiliary materials to obtain a modified slurry; the modified slurry is filtered to obtain a filter cake, the filter cake has a moisture content of 12 to 35%, and can be directly used as a raw material for ceramsite or sintered products; at the same time, the filter cake can also be formed, dried, and roasted to obtain ceramsite or sintered products. The method of the present invention directly uses low-solid-content solid waste slurry as a raw material, directly places auxiliary materials therein for mixing and homogenizing, and then directly filters to form a raw material for ceramsite or sintered products, thereby reducing production costs, simplifying process flow, and having higher mixing efficiency. The raw material quality of sintered products after the mixed slurry is filtered is better, and the mixing energy consumption is lower.