11results about How to "Increase daily output" patented technology

The invention discloses a production method of a diamond compact anchor rod drill body for a coal mine, and belongs to the technical field of drill body machining. A production method of a diamond compact anchor rod drill body for a coal mine comprises the following steps of blank forging, turning, outer circle forming, water hole forming, grooving, powder discharging groove milling, threading, piece nest front inclined face machining, inclined face machining of the front end of the drill body, and machining of a piece nest front inclined face used for installing a diamond compact. Milling a piece nest: accurately processing the piece nest for mounting the diamond compact on the drill body; milling a back angle: processing necessary angles and shapes on the back of the drill body so as to improve the stability of the drill body and reduce the drilling resistance; and round head machining is carried out on the head of the drill body, so that the drill body has better guidance quality and machining effect. According to the invention, the process flow is more perfect and standardized and is simple and clear by reducing the residual link in the process flow, the working intensity of operators is reduced, the production efficiency is improved, and the daily output is increased by dozens of times.

This utility model discloses a nozzle device for a centrifuge containing blast furnace molten slag, including a centrifuge roller, a rubber ring, multiple nozzles, and an air ring. The rubber ring is configured to be extended to cover the cotton-like area under the centrifuge roller. An adjustable nozzle angle mechanism is provided between the rubber ring and the air ring. This mechanism includes multiple adjustable supports, one end of which is fixed to the rubber ring, and the other end is connected to the nozzle. This utility model, by extending the rubber ring, increasing the number of nozzles to at least 12, and combining the adjustable nozzle angle mechanism with an anti-clogging device, clears the blind spots of glue coverage in the cotton-like area under the centrifuge roller, reducing the waste cotton rate. Simultaneously, combined with the air ring groove interlocking structure and auxiliary air duct system, it improves the uniformity of cotton dispersion, reduces nozzle maintenance frequency, increases daily output per line, saves glue costs and waste disposal fees, improves the stability of continuous production line operation and resource utilization efficiency, and meets the requirements of efficient utilization and high-cleanliness production of blast furnace molten slag in the metallurgical industry.

The invention relates to the technical field of pencil board processing, and particularly discloses a bamboo pencil board softening and modifying production method which comprises the steps of cutting off, subdivision, fragmentation, rough planing, high-temperature softening of rectangular bamboo chips, high-pressure dipping, heating and softening, drying and finish planing and automatic gluing, blank assembling and flat splicing and gluing. In addition, free acetic acid generated through high-temperature treatment can inhibit growth of decay fungi and improve decay resistance and durability, bamboo fibers are softened and fluffy and wettability is improved by preferably selecting a penetrating softener, and therefore permeability of other agents is improved, and the effect of preventing and treating the bamboo fibers is achieved. According to the high-hardness bamboo pencil material, the problem that the bamboo pencil material is difficult to roll and cut due to high hardness is completely solved. According to the method, rapid and automatic mass production of the pencil board with the antibacterial function can be achieved, the daily output can be greatly improved, the labor efficiency is improved, and therefore the cost is reduced.

The present invention provides an enzyme catalytic reaction device and an enzyme catalytic reaction method for biodiesel. The reaction device comprises N reaction tanks connected in sequence, a feed pipeline for crude oil, a feed pipeline for alkali solution, an enzyme feed pipeline, a soft water feed pipeline and a methanol feed pipeline; N is an integer greater than 0; the reaction tank comprises a tank body, a feed port and a discharge port arranged on the tank body; the outside of the feed port of the first reaction tank is connected to an external feed main pipe, the inside of the feed port of the reaction tank is connected to an internal feed main pipe, the internal feed main pipe is connected to a feed distribution pipe, and a plurality of material injectors are connected through the feed distribution pipe. The mixed material enters the tank body through the external feed main pipe, and is subjected to a cyclic injection reaction through the material injector. The enzyme catalytic reaction device and the reaction method for biodiesel of the present invention can effectively realize the continuous reaction production of biodiesel. Not only the conversion rate of crude oil is significantly increased, the energy consumption is significantly reduced, but also the reaction capacity of the device is large.

The invention relates to the field of microorganisms, and discloses recombinant escherichia coli, a construction method and application thereof and a method for producing L-leucine. The recombinant escherichia coli simultaneously contains a coding gene of an overexpressed pyruvic acid transport protein, a coding gene of an overexpressed glucose transport protein and a coding gene of an overexpressed 6-phosphofructokinase, and does not contain a coding gene of fructose-1, 6-diphosphatase. The recombinant Escherichia coli provided by the invention can significantly improve the utilization rate of the raw material glucose, improve the yield of L-leucine and inhibit the generation of byproducts. In a preferred embodiment of the invention, when the recombinant escherichia coli is fermented for 20 hours in a 5L fermentation tank, the yield of L-leucine reaches 70 g / L, the saccharic acid conversion rate reaches 36%, the daily yield is remarkably increased, and the production cost is greatly saved.

The invention belongs to the technical field of precious metal recovery and purification, and particularly relates to a device and method for accelerating gold-silver alloy refining. The device comprises a refining furnace, a porous brick and a driving part, a feeding port is formed in one end of the refining furnace, a discharging port is formed in the side wall of the refining furnace, and a combustor is arranged at the other end of the refining furnace; a refractory layer is arranged on the inner side wall of the refining furnace, and an oxygen spray gun penetrating through the furnace wall and the refractory layer is arranged on the refining furnace; the porous brick is arranged at the bottom of the refining furnace, penetrates through the furnace wall and the refractory layer of the refining furnace, and is externally connected with nitrogen supply equipment; the driving part is arranged on the outer side of the refining furnace and used for driving the refining furnace to rotate. According to the method, nitrogen is injected into the gold-silver alloy melt in the refining furnace, so that the contact area of the gold-silver alloy melt and oxygen is increased, the refining speed of the gold-silver alloy is increased, the refining period of the gold-silver alloy is shortened, and the daily output is increased.

This utility model belongs to the field of wood processing technology, specifically disclosing a high-efficiency adhesive dispensing and splicing system. It includes an adhesive dispensing mechanism for applying adhesive to wood veneers. A first conveying device is located at the front of the dispensing mechanism for conveying the (N+1)th veneer, with the feeding direction from front to back. A first cutting device for aligning the ends of the veneers is located at the rear of the dispensing mechanism. A second conveying device is located at the rear of the dispensing mechanism for conveying the Nth veneer. A second cutting device for aligning the ends of the veneers is located at the rear of the dispensing mechanism. The second cutting device can precisely align the ends of the veneers to ensure the veneer length meets splicing requirements, improving the accuracy and quality of splicing. A cold pressing device is located at the front of the dispensing mechanism for pressing and splicing the (N+1)th and Nth veneers. Its pressing process is stable and reliable, effectively reducing splicing defects. Its special arrangement reduces bonding waiting time and improves splicing efficiency.

This invention relates to a method for improving the crystal quality of large-size thick-film silicon epitaxial wafers. By comprehensively designing parameters such as the radial temperature gradient difference of the silicon substrate placement area, the silicon epitaxial layer growth temperature, the evacuation time before silicon epitaxial layer growth, the silicon epitaxial layer growth rate, the flatness of the graphite substrate, and the rotation speed of the graphite substrate during silicon epitaxial layer growth, the crystal quality of large-size thick-film silicon epitaxial wafers is improved with simple process and batch reproducibility. It avoids problems such as edge chipping, cracking, and fragmentation of silicon epitaxial wafers. It can be applied to the industrial mass production of large-size thick-film silicon epitaxial wafers with diameters of 150~200mm and silicon epitaxial layer thicknesses greater than 100μm.

The invention relates to a full-automatic rapid forming punching die for a seedling raising plate and matched air cooling equipment. The full-automatic rapid forming punching die consists of an upper cover hooking and pressing plate, a convex die, a concave die, a crushing hopper and air cooling equipment, an upper hooking plate and a convex hooking plate are inwards arranged on the upper cover hooking and pressing plate; the punching needle is mounted in the needle mounting plate and is fixed by a needle pressing plate and a screw, or is mounted below the upper cover plate and is fixed by a screw; a spring is arranged in the middle of the punching needle, and the lower part of the punching needle penetrates through the male die needle penetrating hole and the female die needle penetrating hole; an upper convex plate is arranged above the male die, a hooking plate notch is formed in the middle, a lower convex plate is arranged below the male die, and a male die needle penetrating hole is formed in a bottom forming area; the upper hook plate of the upper cover plate supports the needle mounting plate, and the convex hook plate hooks the hook plate notch of the convex die; the needle mounting plate and the punching needle are positioned by the positioning pin and the spring; a female die needle penetrating hole is formed below the forming area of the female die; and cold air nozzles are arranged on the two sides and the bottom of the mold. According to the die, a sheet can be rapidly formed and punched to form a seedling raising plate product, the machining speed is high, manpower, equipment and sites for punching are saved, no protrusion or burr exists in punching, and the die is simple in structure, easy to manufacture and durable.

The utility model discloses a bread processing slicing device which comprises a supporting body, a first motor is arranged on the inner bottom face of the supporting body, a first connecting shaft is rotationally connected between the left inner wall and the right inner wall of the supporting body, and the first motor is meshed with the first connecting shaft through a gear. The outer surface of the first connecting shaft is fixedly connected with a first gear set, the outer surface of the first gear set is meshed with a cutter chain, a second connecting shaft is rotationally connected between the left inner wall and the right inner wall of the supporting body, and the outer surface of the second connecting shaft is fixedly connected with a second gear set. The inner surface of the cutter chain is meshed with the second connecting shaft through a gear, and the right side wall of the supporting body is fixedly connected with a heating device. According to the bread cutting machine, the heating device, the knife chains capable of moving at equal intervals, the first motor and the second motor are arranged, so that bread can be efficiently, rapidly and completely cut.

This invention discloses a dynamic decision-based longwall fully mechanized coal mining technology using two mining machines, belonging to the field of coal mine monitoring and control technology. The technology includes: a first mining machine and a second mining machine simultaneously starting coal mining from both ends of the working face; at the start of mining, the central control system determines an initial convergence point based on first and second initial state data; during mining, a first sensor and a second sensor collect first and second motion state data in real time, and the central control system determines a dynamic convergence point based on these data; the central control system adjusts the working states of the first and second mining machines in real time based on changes in the dynamic convergence point. This invention provides a dynamic decision-based longwall fully mechanized coal mining technology using two mining machines, generating a dynamic convergence point through dynamic real-time decision-making, thereby minimizing waiting time and achieving seamless coordination.