7results about How to "Guaranteed rate" patented technology

The invention provides a primary acetylene gas production process, and relates to the technical field of acetylene gas production processes, and the primary acetylene gas production process comprises the following steps: firstly, carrying out on-line screening on a crushed raw material calcium carbide in a specially-made feeding bin, and executing at least three times of'vacuumizing-inert gas filling 'pressure pulse cycles, deeply removing air and moisture adsorbed in pores of the calcium carbide particles; then putting the purified calcium carbide into an acetylene generator provided with a temperature control jacket, and carrying out hydrolysis reaction in a low-temperature interval of 40-65 DEG C; in the reaction process, multi-stage rake teeth of a mechanical stirrer are used for providing strong shearing force to peel off a passivation layer on the surface of calcium carbide, and meanwhile, an external circulating spraying system is matched for eliminating the temperature gradient and local overheating in the reaction kettle. And side reactions such as acetylene polymerization, cracking and oxidation are obviously inhibited.

The utility model relates to a blowing system for blowing solid oxide and oxygen, which comprises a stock bin and a screw feeder connected with a discharge port of the stock bin, an oxygen lance comprises a lance body, the lance body comprises an outer pipe and an inner pipe positioned in the outer pipe, the inner pipe is connected with an oxygen pipe, an annular cavity is formed between the outer pipe and the inner pipe, and the outer pipe is connected with the oxygen pipe. And the conveying pipeline is also connected with an air supply pipe for supplying air to the annular cavity and driving the solid oxide to the oxygen lance. When the solid oxide conveying device is used, solid oxide in the stock bin is conveyed through the screw feeder, the conveying amount of the solid oxide is adjusted by adjusting the conveying speed of the screw feeder, then gas in the gas conveying pipe enters the conveying pipeline, the solid oxide is conveyed into the annular cavity, oxygen is conveyed into the inner pipe through the oxygen pipe, and the solid oxide is conveyed into the inner pipe through the oxygen pipe. The oxygen and the solid oxide are injected into the molten iron, and the solid oxide is quantitatively conveyed through the screw feeder, so that a complete oxygen and solid oxide feeding system is formed.

The invention discloses a novel lithium iron phosphate roasting device, and particularly relates to the technical field of battery positive electrode materials, the device comprises a lithium iron phosphate kiln, a stock bin and a heat exchanger, the inner part of the inner kiln is provided with a material lifting mechanism for improving the material heating time and speed; one end of the lithium iron phosphate kiln is provided with a piston material pushing device which enables materials to be conveyed in an integral pushing mode, through the design of the material lifting mechanism and the intermittent material lifting plates in the inner kiln, it is guaranteed that the materials move forwards in a spiral pulsation mode, and meanwhile the material contact area is increased; the staying time of materials in the kiln can be prolonged, the heating time and the heating speed of the materials are guaranteed, the structural stability of the high-temperature barrel kiln body and the movement mixing of the materials can be enhanced through the spiral belt type intermittent guide plates, the heat transfer efficiency is effectively improved, meanwhile, in the flowing process of gas in the barrel, the air speed of the wall face of the barrel is reduced, and raised dust is greatly reduced; and the probability that the material which is not fully heated escapes in a flying dust form is reduced.

This utility model provides a waste recycling device for marble cutting production, including a box and a first electric push rod. A screen plate is fixedly connected inside the box, a second guide plate is fixedly connected to the left end of the screen plate, and a first guide plate is fixedly connected to the right end of the screen plate. A through groove is provided on the right side of the box, and the right end of the first guide plate extends to the outside of the through groove. A feed pipe is connected to the upper left end of the box. A first triangular block is installed on the upper right end inside the box, and a second electric push rod is installed on the inclined surface of the first triangular block. An installation plate is installed on the telescopic shaft end of the second electric push rod. Multiple unblocking columns corresponding to the screen holes of the screen plate are fixedly connected below the installation plate. An L-shaped plate is installed on the telescopic shaft end of the first electric push rod, and a first motor is installed on the right side of the vertical end of the L-shaped plate. This utility model has a reasonable structure and good practicality. It not only facilitates the unblocking of the screen holes of the screen plate, ensuring screening quality and speed, and reducing the difficulty of manual unblocking, but also has excellent crushing effect on fragments and convenient discharge.

The invention relates to the technical field of metal heat treatment liquid, and discloses oil-water separation type overspeed quenching oil and a preparation method thereof, and the oil-water separation type overspeed quenching oil comprises base oil, polyisobutene, a trapping agent, a coagulation agent, oil-soluble divalent metal organic acid salt and an additive. According to the invention, a synergistic response system composed of a trapping agent, a coagulation agent and an oil-soluble divalent metal organic acid salt is introduced into an oil product. When water invades, the synergistic response system is subjected to chemical processes of hydrolysis, ion bridging and coagulation. According to the technical scheme, the quenching oil has a rapid and thorough self-triggering oil-water separation function, oil product emulsification and performance reduction caused by water pollution are effectively avoided, meanwhile, the system is chemically inert in a water-free state, and the original overspeed cooling performance of the oil product is not affected. The invention further provides a preparation method of the quenching oil, and the preparation method is simple in process and easy to control.

The application discloses a power control method, device and electronic equipment, and belongs to the technical field of communication. The power control method comprises the following steps: determining a block error rate of a target channel for sending a data packet to a base station based on a feedback message sent by the base station to the target channel; and adjusting the transmission power of the target channel according to the block error rate, so that the block error rate of the target channel is less than a first threshold value.

This invention discloses an enzymatic hydrolysis device for preparing chitosan oligosaccharides, relating to the field of chitosan oligosaccharide preparation technology. The device includes a chassis, a support block slidably connected to the upper side of the chassis, a reaction vessel fixedly connected to the upper side of the support block, a feed hopper and a discharge pipe connected to the reaction vessel, a first pipe rotatably connected to the reaction vessel, a stirring rod arranged in a linear array and evenly distributed circumferentially connected to the first pipe, a second pipe rotatably connected to the upper side of the second pipe, a third pipe rotatably connected to the second and third pipes, both equipped with heat insulation layers, a first connecting shell connected to the third pipe, and a fourth pipe rotatably connected to the upper side of the first pipe and fixedly connected to the third pipe. This invention cools the materials in the reaction process, keeping the enzyme in a highly active state, thereby ensuring the reaction rate.