48results about How to "Will not affect the production process" patented technology

The invention discloses an ammonia recovery method from the mixing gas produced in the process of hydrogen cyanide production, comprising ammonia absorption process, decyanation process, desorption process and rectifying process for solving the technical problem. The invention is characterized in that decyanation process is set separately to recovery hydrogen cyanide gas, avoiding the loss of hydrogen cyanide caused by a large amount of acid gas like hydrocyanic acid contained in the ammonium phosphate solution directly steamed in Versum method, reducing production cost of hydrogen cyanide, reducing the emission of the harmful acid gas like hydrogen cyanide, and avoiding the serious pollution of peripheral enviroment. Besides, the ammonium phosphate solution contains a much smaller amout of hydrocyanic acid after hydrogen cyanide is recovered, which can not influence production process and make the production process more safety.

A glass coating for reducing platinum rhodium alloy bushing plate loss provided by the invention comprises glass and Suzhou soil in a mass ratio of 9-15:1; a film technology employs a sol-gel film method, which is simple; and the coating raw material is cheap and with a utilization rate. Small size (nanometer level) oxide particles with high specific surface area and high activity can be obtained; and the coating has high uniformity, and multiple ingredient uniform oxide coating is easily prepared.

The invention discloses a three-stage negative pressure evaporation crystallization treatment process and a device for titanium dioxide waste sulfuric acid. The process comprises the following steps:crystallizing and separating of ferrous sulfate in a titanium dioxide waste sulfuric acid stock solution by using a stock solution crystallization system is carried out, and centrifugally separating are carried out to obtain a ferrous sulfate heptahydrate solid and mother liquor; through the cooperative cooperation of a double-effect evaporation system, a single-effect evaporation system and a concentration and crystallization system, the possibility of crystallization and blockage of materials in the evaporator is eliminated, and the stable operation of the device is ensured; centrifugate from the stock solution crystallization system is evaporated and concentrated in the double-effect evaporation system to improve acidity and then is introduced into a front section of the concentration and crystallization system; cooling, crystallizing and filter pressing are carried out to obtain a large amount of sulfate solids; wherein the mass concentration of sulfuric acid in filtrate reaches 50%, the filtrate is continuously introduced into the single-effect evaporation system for forced circulation, the concentration of waste sulfuric acid is increased to the maximum extent, the concentrated waste sulfuric acid solution is introduced into the rear section of the concentration and crystallization system, cooling crystallization is performed, a large amount of sulfate solids are obtained through filter pressing, and a regenerated sulfuric acid solution with the mass concentration larger than or equal to 70% is obtained.

The invention discloses a low temperature exhaust heat recovery process of circulation cooling water of a sugar refinery. The process mainly consists of a plate heat exchanger, a buffer tank, a circulating tank, a pipeline pump, a circulating pump and a heat pump main machine. According to low temperature circulation cooling water (averagely at 45 DEG C) generated in the sugar making production process, low grade cooling water which cannot be utilized in the sugar making production process of the sugar refinery is extracted through the process and is converted into high grade utilizable heat energy (adjustable in temperature in a range of 55-60 DEG C) for re-production (for example, heating of pre-limed mixed juice or other energy consuming processes). The process disclosed by the invention not only can recover the low temperature exhaust heat of the cooling water, but also can provide the cooling water (adjustable in temperature in a range of 5-30 DEG C). For the sugar making enterprise, not only is the unit energy consumption for making sugar reduced, but also high quality low temperature cooling water is provided, and thus the yield of sugar and the quality of sugar are greatly improved.

The invention relates to the technical field of composite materials, in particular to a manufacturing method of a multi-layer composite thin plate. The manufacturing method of the multi-layer composite thin plate comprises the following steps that aluminum alloy and magnesium alloy materials are machined to be in the needed shape and size, obtained three layers of plate-shaped alloy can be combined to form a cylinder, the magnesium alloy in the cylinder is located between the two layers of aluminum alloy, and the attached surfaces of the two layers of aluminum alloy and the magnesium alloy are S-shaped arc surfaces; the prepared aluminum alloy and magnesium alloy materials are polished and then cleaned, and the cleaned alloy materials are assembled and combined so that the materials can be fixed to form the cylinder; an assembled blank is preheated, then extrusion forming is conducted, and magnesium-aluminum composite plates are obtained; the composite plates are sawn; the sawn plates are preheated, the preheated composite plates are stacked up and down, then multi-pass and multi-direction hot rolling is conducted, and the aluminum/magnesium/aluminum composite thin plate is obtained; and the rolled composite thin plate is subjected to hot-pressing flattening and then is cooled.

The invention discloses a real-time cutter detection device for a machining center, which comprises an acquisition area, an in-situ detection module is arranged in the acquisition area, the in-situ detection module comprises a soft mechanical arm, and a visual image acquisition system is arranged at the end part of the soft mechanical arm; the detection device further comprises an image processing module; and the image processing module comprises a damage evaluation unit, and the damage evaluation unit is suitable for comparing and evaluating image information with preset information. In addition, the invention further discloses a detection method of the detection device. According to the scheme, through the arrangement of the visual image acquisition system on the soft mechanical arm, cutter images can be acquired through the visual image acquisition system, then the damage evaluation unit judges the abrasion grade of a cutter, and whether the cutter needs to be replaced or not is determined according to whether the damage amount of the cutter reaches a set value or not, so that the purpose of detecting the cutter is achieved, the cutter does not need to be taken down during use, the detection efficiency is high, the production process is not affected, and the practicability is high.

The invention provides an efficient sausage filling machine for sausage processing. The efficient sausage filling machine includes a sausage filling box, a sausage filling unit is arranged at one sideof the sausage filling box and includes a drive motor, the drive motor is fixed to one side of the sausage filling box through a bolt and is arranged horizontally, an output end of the drive motor penetrates through a shell of the sausage filling box, extends to the interior of the sausage filling box and is connected with a first drive wheel and a spiral propeller in sequence, a first belt is connected to the top of the first drive wheel, and a first driven wheel is rotatably connected to the end, away from the first drive wheel, of the first belt; a first rotation shaft is in through connection with the center of one side of the first driven wheel, and the end, close to the drive motor, of the first rotation shaft penetrates through the shell of the sausage filling box, extends to the exterior of the sausage filling box and is connected with a detachable L-shaped rotation crank; and anti-skid protrusion stripes are arranged on the outer wall of the detachable L-shaped rotation crank. By adopting the efficient sausage filling machine for sausage processing, automatic-manual integral sausage filling work can be achieved, and thus sausage processing progresses of factories cannot be delayed.

The invention discloses automatic production equipment for plastic toys. The automatic production equipment for plastic toys comprises a forming mechanism, a discharging conveying mechanism and a feeding conveying mechanism, the feeding conveying mechanism is arranged on one side of the forming mechanism, and the discharging conveying mechanism is arranged on one side of the forming mechanism in apenetrating mode. According to the automatic production equipment for the plastic toys, the feeding position is arranged on the ground, so that the feeding process is simple and rapid; according to the automatic production equipment for the plastic toys, the plastic toys are collected through a receiving hopper and conveyed through a first belt conveyor, so that the produced plastic toys do not affect the subsequent production process, and the fatigue degree of workers is reduced; and according to the automatic production equipment for the plastic toys, the automatic feeding process of a color master batch raw material of the plastic toys is completed through the feeding conveying mechanism, the process of the color master batch raw material to produce the plastic toys is automatically completed through the forming mechanism, the automatic discharging process of the plastic toys is completed through the discharging conveying mechanism, the automation degree is high, and the productionefficiency of the plastic toys is effectively improved.

The invention discloses an improved silicon carbide raw material synthesis method. The invention mainly relates to the technical field of research and development of a synthesis process of SiC powder for growing single crystals, and mainly aims to achieve the purpose of improving the purity of a synthesized silicon carbide raw material by adding polytetrafluoroethylene into a mixture of carbon powder and silicon powder for synthesizing the silicon carbide raw material and utilizing the purification effect of polytetrafluoroethylene. Firstly, polytetrafluoroethylene is added and mixed, so that the raw materials are mixed more uniformly, and regional aggregation of carbon powder is greatly reduced. In the heating reaction process of raw material synthesis, the position of a coil is moved, so that the carbon powder and the silicon powder fully react, serious carbonization of the region due to the fact that the region is locally at an overhigh temperature all the time is avoided, and the purpose of increasing the yield of silicon carbide raw materials is achieved; and a certain proportion of helium is introduced in the cooling process, and the characteristic that the helium is high in heat conductivity is utilized, so that the cooling time is shortened. The production cost is reduced while the quality of the synthetic silicon carbide raw material is improved.

The invention discloses a steel rail translation system and a steel rail translation method for the case of a small distance between a steel rail conveying line and the ground. The steel rail translation system comprises a master control module, a first conveying rail, a second conveying rail arranged in parallel to the first conveying rail, and a plurality of transverse travelling mechanisms arranged on the first conveying rail and the second conveying rail, wherein the master control module is used for synchronously controlling each transverse travelling mechanism; each transverse travellingmechanism comprises a sub-control unit, a bearing unit, a translation unit and a lifting unit; each sub-control unit is used for receiving the instruction of the master control module and controllingthe corresponding transverse travelling mechanism; each bearing unit is used for bearing steel rails; each translation unit is used for translating the steel rails on the corresponding bearing unit towards the directions of the first conveying rail and the second conveying rail separately; and each lifting unit is used for placing the steel rails translated by the corresponding translation unit onto the first conveying rail and the second conveying rail separately. The steel rail translation system and the steel rail translation method are applicable to the case of a small distance of not greater than 1000mm between the steel rail conveying line on a welded rail site and a ground elevation.

The invention discloses an automatic mask production line; a mask placed between limiting plates is flattened through an arranged flattening pressing plate in an ear belt fusion welding work process of the mask when the mask is automatically produced, and when the flattening pressing plate presses the bottom end, the flattening pressing plate presses a second movable pressing block to drive a leveling limit mechanism to operate; and finally, a T-shaped movable limiting plate and a movable pressing plate which are arranged in the leveling limiting mechanism are driven to limit and press the edge side of the mask, so that the mask can be prevented from deviating or even shaking during ear belt fusion welding work, and the quality of the ear belt fusion welding work is guaranteed. Therefore,the mask production working efficiency can be improved, and economic benefits are improved while the mask quality is guaranteed.

The invention relates to a manufacturing method for leather, and discloses a manufacturing method for the leather capable of preventing and treating tinea pedis. The manufacturing method comprises the following steps that a, medicine is proportioned and milled into powder for standby application; b, medicine powder is added into water to form a mixed solution, and the mixed solution is stirred intermittently; and c, an animal hide is subjected to water squeezing, and then is naturally air-dried and dried by baking in sequence. According to the manufacturing method for the leather capable of preventing and treating the tinea pedis, a wet-salted bovine hide is immerged into the medicine, and then the wet-salted bovine hide is manufactured into leather shoes or shoe pads; the sizes of the leather shoes or shoe pads cannot be increased, and the wearing comfort cannot be influenced; the medicine has a preventive effect; when the leather shoes or the shoe pads are wore by people, the tinea pedis is prevented and treated; the treatment method is simple, effective, convenient and economical; meanwhile, the medicine effect is lasting, effect starting is fast, and irritation and side-effects are avoided. Components of the medicine are easy to get, high in quality and low in cost.