35results about How to "Process layout is reasonable" patented technology

The invention discloses a three-side-punch process of a U-shaped beam and a production device used in the process. The process comprises the following steps: the U-shaped beams are placed on a feeding platform, a feed picking device is adopted to successively pick up the spare U-shaped beams and hoist the beams to a support roller of the feeding end; a first feeding clamping device is adopted to clamp the U-shaped webs and feed the webs to working platforms of a ventral small punching machine which can move along the X / Y axis and a ventral large punching machine which can move along the Y axis; the ventral small punching machine which can move along the X / Y axis and the ventral large punching machine which can move along the Y axis punch the beams; a second feeding clamping device clamps the U-shaped beams and continuously feed the beams to the working platform of a left wing punching machine and a right wing punching machine; the left wing punching machine and the right wing punching machine punch the beams; the U-shaped beams are hoisted to a discharging platform after being fully punched. The invention has the advantages of simple process, high production efficiency, low cost and reasonable process arrangement; and the produced U-shaped beams have precise punching location.

The invention relates to a method for coproduction of methyl isobutyl ketone and methyl isobutyl carbinol, and particularly to the production method for simultaneously coproducing methyl isobutyl ketone and methyl isobutyl carbinol with acetone and hydrogen as raw materials, employing a non-pure noble metal catalyst especially employing a catalyst with a brand number of BC-A-61 and produced by Beijing Research Institute of Chemical Industry, and under reaction conditions of the reaction temperature of 170-230 DEG C, the reaction pressure of 1.0-6.0 MPa, the acetone liquid phase airspeed of 0.5-3.0 h<-1> and the hydrogen and ketone molar ratio of 0.3-1. The method of the invention has the advantages of relatively low catalyst cost, reasonable and simple technological process and low energy consumption, simultaneously coproduces two kinds of products which are methyl isobutyl ketone and methyl isobutyl carbinol and have supply and demand gaps existing in markets, and has few by-product heavy components.

The invention discloses a manufacturing method of a water hose and manufacturing equipment of the water hose. The invention comprises the following processes: firstly, selected materials, color master batches and batches are fully mixed and then put into a container; secondly, the mixed materials are arranged into an extrusion device, the plasticization and melting are performed to the mixed materials to form molten substance, and the molten substance is continuously extruded from the clearance of a shaping mould by the extrusion device, so as to form continuous cylindrical blanks; thirdly, one ends of the cylindrical blanks are hauled by a hauling machine to evenly get into a cooling sizing device, and then the cooling is performed to the walls of the cylindrical blanks through cooling water; fourthly, vacuum pumping is performed to a sizing sleeve in the cooling sizing device, and the cylindrical blanks are sized to form primary products; fifthly, the primary products are hauled into a cooling water tank, the water cooling is performed to the primary products to form finished products. The manufacturing equipment of the water hose realizes the vacuum shaping by being equipped with the devices of a sizing cooling tank and a vacuum pump, etc. The manufacturing method and the manufacturing equipment of the water hose have the advantages of good shaping effect, high cooling speed, low production cost, greatly enhanced product quality and high pressure resistance of the finished products, etc.

The invention relates to a preparation method of a medical intermediate, and particularly relates to a cogeneration method of methyl isobutyl ketone and diiso butyl ketone. The method comprises the following steps: mixing and preheating acetone and isopropanol, entering a reactor containing copper-palladium-zirconium-zinc / molybdenum oxide catalysts; generating a reaction mixed solution of taking methyl isobutyl ketone and diiso butyl ketone as main ingredients from the acetone in a manner of reaction under the conditions that the reaction temperature is 130-210 DEG C, the reaction pressure is 0.1-4.0MPa, the liquid phase airspeed of isopropanol is 0.1-2.5h<-1> and the ketone alcohol mole ratio is 1-7; separating and refining, so as to obtain the methyl isobutyl ketone product and the diiso butyl ketone product. The cogeneration method has the advantages that the use cost of the catalyst is greatly reduced, and the method is low in energy consumption, simple in equipment, free of special requirements, fewer in heavy constituents, high in acetone utilization rate and high in product yield.

The invention discloses a method for treating poly butylene succinate production waste water by a biochemical method. The method comprises the following steps of buffering in a water collecting tank, uniformly delivering to a homogeneity regulation tank of a sewage treatment station, mixing with plant domestic sewage in the homogeneity regulation tank, lifting to a neutralization reaction tank by a pump, adding lime milk while stirring, allowing a pH value of the waste water to be 6-9, allowing the waste water to flow automatically into a flocculation reaction tank, adding a PAC (polyaluminium chloride) flocculant constantly, allowing fine suspended substances and colloidal substances in the waste water to gather into alum floc with a larger particle size, conducting settlement separation in a settling tank, and allowing supernatant liquid in the settling tank to automatically flow into an A / O biochemical tank for reaction. The method is advanced, practical, mature and reliable in treatment process, requirements on water quality, water volume fluctuation and poor biodegradability can be met, and the treated waste water can be discharged up to a standard.

The invention discloses a wax extraction automatic filtration and backwashing system used for Fischer-Tropsch synthesis slurry reactor, comprising a filter unit and a backwashing unit, wherein, the filter unit comprises a slurry buffer tank, a wax device external filter (30), a coarse wave outcome buffer tank (4), a wax fine filter (5) and a wax product buffer tank (6); and the backwashing systemcomprises a washing wax pump (7) and a backwashing wax buffer tank (8). The wax extraction automatic filtration and backwashing system has the advantages of reasonable structure, short flow, low energy dissipation, avoiding the blocking or reverse flowing, reducing the damage of catalyst grains, and achieving the stable and continuous running of the Fischer-Tropsch synthesis slurry reactor.

The invention relates to a drying room apparatus of a warp sizing machine, and the drying room body comprises a drying room casing and a steam cover installed on the drying room casing; two sets of exhaust systems are installed on the steam cover; two sets of predrying apparatus and merged drying apparatus are installed in the casing; the predrying apparatus comprises several predrying cylinders; the merged drying apparatus comprises several merged drying cylinders; yarn in a rear slurry groove and a front slurry groove is used to cover the external surface of the predrying cylinders; the yarn on the predrying cylinders is used to cover the merged drying cylinder through the roller installed on the casing; and the yarn on the merged drying cylinder is drawn out through a traction roller and a traction variable frequency motor. The apparatus has the advantages that the drying efficiency is high; the wet zone is short; the technology arrangement is reasonable; overflowing is prevented; droplet in the drying room is avoided; condensation in the workshop is saved; the sizing drying cover coefficient is reduced to a half; proper spacing in sizing in the drying process is guaranteed; falling of slurry and object is reduced in leasing; the yarn surface is smooth; the hairiness is neat; and constant tension force of the dry zone and the wet zone is guaranteed.

The invention discloses an online continuous sectioning, straightening and sawing equipment and method for producing elevator guide rails in pairs. Invented to solve the problems of low production efficiency in the prior art. The online continuous sectioning, straightening, and sawing paired production elevator guide rail finishing equipment of the present invention at least includes: a splitting machine, a rear roller table of the splitting machine, a double-slot straightening machine, a row of benches in front of the saw, a sawing unit, Turning steel platform, stacking input roller table; the invention adopting the above structure has the advantages of reasonable process layout, convenient operation, smooth operation, high production efficiency, stable and controllable production quality, high automation level and good labor conditions of workers.

The invention relates to a production method of N-ethyl-n-butylamine. According to the production method, n-butanol and monoethylamine are taken as raw materials; a supported non-noble metal catalyst is used under hydrogen conditions; and amination synthesis of N-ethyl-n-butylamine is performed, wherein a reaction temperature ranges from 120 to 220 DEG C, reaction pressure ranges from 0.1 to 1.2MPa, n-butanol liquid phase airspeed ranges from 0.2 to 1.0h<-1>, and molar ratio of n-butanol to monoethylamine ranges from 0.3 to 1. The supported non-noble metal catalyst used in the production method is a metal active compound-rear earth additive / aluminum oxide supported catalyst, wherein the alumina supporter is alkaline earth metal oxide modified aluminum oxide, the metal active compound comprises at least two selected from copper, cobalt, iron, and zinc; and the additive is a mixture of lanthanum and cerium. Catalyst cost is relatively low; technological processes are reasonable and simple; energy consumption is low; heavy components of byproducts are few; and separation of byproducts is simple.

The invention relates to a disc type filtrate steam and water separation device of a filter. The disc type filtrate steam and water separation device comprises an adsorption system, a dehydrating system, an air blowing unloading system and an electric control system; the adsorption system comprises an adsorption liquid discharging tank, an adsorption vacuum pipe, an adsorption vacuum pump, an adsorption vacuum venting pipe, an adsorption liquid discharging pipe and an adsorption flap valve; the adsorption liquid discharging tank is connected with the filter, the dehydrating system comprises a dehydrating liquid discharging tank, a dehydrating vacuum pipe, a dehydrating vacuum pump, a dehydrating vacuum venting pipe, a dehydrating liquid discharging pipe and a dehydrating flap valve; the dehydrating liquid discharging tank is connected with the filter, the air blowing unloading system comprises an air blowing pipe, a gas storage tank and a blower. The air blowing pipe is provided with an air volume control valve, and a blow-down valve is arranged at the bottom of the gas storage tank. Dehydrating and absorption in a filtering process are independently finished, and the difficult problem that the size of a filtrate tank depends on the area of the filter in a traditional process is solved, so that the process configuration is more reasonable, the plant constructing cost is lower, water and electricity cost as well as consumption of devices and spare parts are reduced.

The invention relates to material preparation technologies in the fields of papermaking or man-made board industries and the like, in particular to a palm fruit separation device and a palm fruit separation method. The device comprises a vibrating feeder, a fruit extruder, roll table conveyors, a fruit bunch belt conveyor and a fruit belt conveyor, which are sequentially connected, wherein the fruit belt conveyor is positioned below the fruit extruder and the roll table conveyors; the fruit extruder comprises a group of upper tooth rollers on an upper part and a group of lower tooth rollers on a lower part; and a fruit bunch with palm fruits passes through a part between the upper and lower tooth rollers, and the fruits are extruded and separated. Mechanical feeding is adopted, and the device and the method are rational in process layout, and have the advantages of production continuity, automatic production process, good fruit separation effect, high yield and the like.

The invention belongs to the technical field of metallurgical iron making, and discloses a combination technical arrangement of two coke and ore tank systems. The invention mainly comprises sintering ore tanks, a flux tank fine ore bin and a coke breaking bin facility, and is characterized in that: the coke tanks and mixed ore tanks of two blast furnaces are arranged in the way of one-to-one combination; the sintering ore tank of each blast furnace is independently arranged; and the mixed ore tanks and the sintering ore tanks are arranged in parallel in a one to one manner. The mixed ore tankis arranged between the sintering ore tanks. A feeding tape machine is arranged on the coke ore tank, and the lower part of the coke ore tank is provided with a feeding and screening plant, a weighing funnel, a feeding tape machine, an ore and coke returning tape machine and a dust-removal system, and is also provided with a transfer station required for transferring and storing crude fuel, a fine ore bin and a fine coke bin facility. The invention has compact technical arrangement, smaller occupation of area, small number of matched equipments, and lower engineering investment, saves time ofequipment maintenance and repairing, can easily and integrally control the pollution source such as dust, noise and the like, and is an ideal arrangement method of the coke and ore tank which is shared by two blast furnaces.

The invention relates to a method for coproduction of methyl isobutyl ketone and methyl isobutyl carbinol, and particularly to the production method for simultaneously coproducing methyl isobutyl ketone and methyl isobutyl carbinol with acetone and hydrogen as raw materials, employing a non-pure noble metal catalyst especially employing a catalyst with a brand number of BC-A-61 and produced by Beijing Research Institute of Chemical Industry, and under reaction conditions of the reaction temperature of 170-230 DEG C, the reaction pressure of 1.0-6.0 MPa, the acetone liquid phase airspeed of 0.5-3.0 h<-1> and the hydrogen and ketone molar ratio of 0.3-1. The method of the invention has the advantages of relatively low catalyst cost, reasonable and simple technological process and low energy consumption, simultaneously coproduces two kinds of products which are methyl isobutyl ketone and methyl isobutyl carbinol and have supply and demand gaps existing in markets, and has few by-product heavy components.

The invention relates to a belt tensioning device and method under the height limited condition, and belongs to the technical field of belt type conveying. The belt tensioning device comprises a tensioning device, a stretching device and a rail (9). The tensioning device comprises a bend roller (1), a bend roller II (2), a roller support I (3), a bend roller (4), a bend roller (5), a roller support II (6), a bend roller (7) and a tensioning trolley (8). The stretching device comprises a pulley I (11), a pulley support (12), a tensioning tower (13), a heavy punch box (14) and a steel wire rope (22). According to the device, the tensioning device tower is arranged on one side of a belt conveyor through the bend rollers and pulley blocks, and under the condition that the height of a corridor cannot meet the requirement for the tensioning stroke of the heavy punch box, a belt is tensioned.

The invention provides plate overturning machine and flattening machine compact linkage type straightening equipment. The plate overturning machine and flattening machine compact linkage type straightening equipment comprises a machine front conveying roller bed (5), a plate length measuring device (4), a mechanical plate type detection device (1), a flattening machine (6) and a machine rear conveying roller bed (7), all of which are sequentially arranged in the advancing direction of a to-be-machined plate (2). The plate overturning machine and flattening machine compact linkage type straightening equipment further comprises a plate overturning machine (3) located on the left side or the right side of the machine front conveying roller bed (5), the plate overturning machine (3) can conduct face overturning on the to-be-machined plate (2) on the machine front conveying roller bed (5), and the mechanical plate type detection device (1) can make contact with the surface of the to-be-machined plate (2) so as to detect the plate type of the to-be-machined plate (2). According to the straightening equipment, the heavy work of traditional pure manual detection of the plate type surface quality can be completely abandoned; and the automation degree of a linkage unit is greatly improved, and the labor productivity is greatly improved.

The invention discloses a preparation process of a ram-type spectacle case. According to the technical scheme, the preparation process is characterized by comprising the following steps of: S1, punching of a case body: punching and drawing out a case body comprising an upper portion and a lower portion through a drawing die, and using a side punching die to punch holes in one side of the lower portion; S2, side line treatment on the case body: deburring the punching side lines of the case body; S3, welding of inserts: welding elastic clamping pieces matched with the punched holes in the lower portion to one side of the upper portion; S4, surface treatment on the case body: carrying out surface treatment on the surface of the case body; S5, injection molding of an outer protection layer: placing the case body in an injection mold, and injecting a layer of resin material on the surface of the case body in a coating manner; S6, correction of waste at a water gap: removing waste at an injection molding water gap; S7, preparation of a fabric layer; S8, covering of the fabric layer; and S9, trimming of the fabric layer. The spectacle case prepared by the preparation process of a ram-type spectacle case has the advantages of high strength, drop resistance, difficulty in damage, long service life, difficulty in dirt accumulation and the like.

The invention discloses a method for treating poly butylene succinate production waste water by a biochemical method. The method comprises the following steps of buffering in a water collecting tank, uniformly delivering to a homogeneity regulation tank of a sewage treatment station, mixing with plant domestic sewage in the homogeneity regulation tank, lifting to a neutralization reaction tank by a pump, adding lime milk while stirring, allowing a pH value of the waste water to be 6-9, allowing the waste water to flow automatically into a flocculation reaction tank, adding a PAC (polyaluminium chloride) flocculant constantly, allowing fine suspended substances and colloidal substances in the waste water to gather into alum floc with a larger particle size, conducting settlement separation in a settling tank, and allowing supernatant liquid in the settling tank to automatically flow into an A / O biochemical tank for reaction. The method is advanced, practical, mature and reliable in treatment process, requirements on water quality, water volume fluctuation and poor biodegradability can be met, and the treated waste water can be discharged up to a standard.

The invention discloses a main distribution pipe of a thyristor valve group and a production method thereof, comprising a pipe. A pipe plug is arranged on one end of the pipe; a flange and a flange connector are arranged on the other end of the pipe; a plurality of distribution nuts are arranged on the pipe; the pipe, the pipe plug, the flange, the flange connector and the distribution nuts are all made of PPH or PVDF material; the pipe is welded to the distribution nuts in a hot-melt pressure welding mode; the flange, the flange connector and the pipe plug are welded to the distribution nuts in an infrared welding mode; the distribution nuts are integrated with the pipe as one through pressure heat welding. The welding mechanical strength and pressure resistance grade are high; such parameters as welding temperature, time and pressure are controlled mechanically and human factors involved are few, thus guaranteeing the uniformity of the performance of all craters. The main distribution pipe of the thyristor valve group and the production method thereof have reasonable working procedure arrangement, thereby increasing the yield rate of products.

The invention discloses a processing system and a processing method for compatible processing of a natural material gravel and artificial hard rock and gravel. The processing system comprises a stock bin, wherein a coarse crushing device is arranged below the stock bin, and matched with a first screening device; a medium crushing device is arranged behind the first screening device and matched with a second screening device; an ultra-crushing device is arranged behind the second screening device and matched with a third screening device; a rod mill is also arranged inside the processing system. By adopting the system and the method, two independent single-material source gravel systems, namely a land natural material gravel system and an artificial hard rock and gravel system are merged into a hard rock and gravel system and a natural material processing system, and can be compatible to treatment of two gravel materials. Staged production is adopted in a production form; screening equipment is designed according to the natural material when processing equipment is prepared, the crushing equipment is designed according to an artificial material, the maximal load demands are met, and flexible adjustment is carried out through a sealing-tape machine and a slide chute in the staged production, so as to adapt to the requirements of characteristics of different material sources.

The invention relates to a production device and a machining method for U-shaped longitudinal beam and lining beam automatic positioning beam combining spot welding. The production device and the machining method are characterized in that a beam combining feedstock feeding device is placed on the right side of an automatic spot welding device, a lining beam end face positioning component is placed on the front side of the beam combining feedstock feeding device, six sets of longitudinal beam feeding devices are sequentially arranged on the right side of the beam combining feedstock feeding device and the right side of the lining beam end face positioning component, and a feeding platform is placed in front of the longitudinal beam feeding devices. A feedstock extraction device is placed at back of the longitudinal beam feeding devices, and a track installed in the feedstock extraction device forwards extends to reach the position above the feeding platform. A beam combining discharged material feeding device and two sets of discharged material supporting rollers are sequentially placed on the left side of the automatic spot welding device. A discharging platform is placed in front of the beam combining discharged material feeding device and the discharged material supporting rollers, a discharged material extraction device is placed at back of the beam combining discharged material feeding device and the discharged material supporting rollers, and a track installed in the discharged material extraction device forwards extends to reach the position above the discharging platform.