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

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 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 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 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 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 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.