35results about How to "Reduce labor capacity" patented technology

The invention discloses a manufacturing method of 500MPa-grade cold-rolled magnetic steel, which comprises the following steps that: (1) heating a slat to 1200 to 1260 DEG C, then rolling the slab into a steel sheet, the final rolling temperature is 830 to 890 DEG C, and adopting a laminar flow cooling way to cool the steel sheet to 550 to 600 DEG C to be rolled; (2) cooling the steel sheet in anair cooling way, and acid-washing the steel sheet; (3) cold rolling; (4) continuous annealing: the temperature of a uniformly-heated section of an annealing furnace is controlled within the range of 740 to 760 DEG C, the speed of the annealing process section is controlled at the range of 120 to 125 meter per minutes, and the time of the uniformly-heated section is controlled within the range of 230 to 239 s; (5) flattening. The cold-rolled magnetic steel produced with the method has high yield strength which can reach more than 570 MPa, uniform performance, small performance difference, favorable match between the magnetic sensing strength and the strength of the steel plate, favorable shape, high size precision, good surface quality and high yield.

The invention belongs to the field of mineral processing, and particularly relates to a filtration-integration integrated device and method for producing aluminum oxide by a Bayer process. In the device, a crude liquid tank is connected with a leaf filter through a crude liquid pump, the bottom of the leaf filter is connected with a filter cake tank, and the upper part is connected with a fine liquid tank; the bottom of the fine liquid tank is provided with a fine liquid pump; the fine liquid pump is connected with a vertical disk filter; the filter cake tank is arranged on a 5.000 plane; the lower part of the filter cake tank is provided with a filter cake pump; an aluminum hydroxide slurry tank is arranged above a horizontal disk filter; and the horizontal disk filter is connected with a belt conveyor. The device for aluminum oxide filtration provided by the invention implements filtration-integration integration. The invention reduces the crystal seed tank, mixing unit and other units in the existing device, reduces the corresponding pipelines, valves, pipe fittings and the like, reduces the equipment maintenance and maintenance work load in the device operation process, saves the energy, and lowers the production and labor cost.

The invention relates to an anode carbon block conveying system and in particular provides an anode carbon block suspended chain conveying system between an anode carbon block warehouse and an anode assembly workshop of an electrolytic aluminum enterprise. A carbon block conveying gallery is arranged between an anode assembly workshop and an anode carbon block warehouse; an assembly workshop carbon block conveyor and a carbon push-out device are arranged in the anode assembly workshop; a carbon block warehouse carbon block conveyor and a carbon block push-in device are arranged in the anode carbon block warehouse; a suspension type suspended chain conveyor is arranged in the carbon block conveying gallery; lifting tools are arranged under the suspension type suspended chain conveyor. The system can reduce the manpower quotas of enterprises, increase the labor productivity of the enterprises, reduce the engineering construction and production operating costs, reduce the electrolytic aluminum production cost and bring certain economic benefits for the enterprises.

The invention provides a method for treating secondary lead through an improved side-blowing smelting reduction furnace. The method comprises the steps that the secondary lead is put into the improved side-blowing smelting reduction furnace, meanwhile, a smelting agent is added, oxygen-enriched gas, a reduction agent and fuel are sprayed into a smelting pool mixing area of the smelting reduction furnace at the flow speed of 180-280 m / s through multichannel spray guns on the two sides of the smelting reduction furnace, so that materials in the smelting reduction furnace are subjected to a smelting reduction reaction, and wet lead and smelting slag are generated; the wet lead and the smelting slag are included in the smelting pool mixing area at the same time; and the smelting slag is discharged out of a slag outlet of the smelting reduction furnace, and the wet lead is discharged out of a metal discharge opening of the smelting reduction furnace. The method for smelting the secondary lead is compact in procedure, small in fixed number of workers, environment-friendly and low in production cost.

The invention discloses high-magnetic-strength low-cost cold-rolled magnetic pole steel with the yield strength being 450 MPa and a manufacturing method thereof. The steel comprises, by mass, 0.05%-0.09% of C, 0.75%-1.15% of Mn, no more than 0.025% of P, no more than 0.01% of S, 0.015%-0.05% of Al, no more than 0.01% of N, 0.005%-0.02% of Nb, 0.05%-0.09% of Ti, and the balance Fe and inevitable impurities; and the content of Ti is larger than or equal to 0.03%+3.43*N. The high-magnetic-strength low-cost cold-rolled magnetic pole steel is simple in chemical component, and the cost is greatly lowered due to adding of the cheap Ti; the continuous annealing mode is adopted, the product performance uniformity is obviously improved, the lower yield strength ReL of the manufactured magnetic pole steel is higher than or equal to 450 MPa, and the magnetic induction intensity B50 of the manufactured magnetic pole steel is higher than or equal to 1.6 T; the steel plate strength and the magnetic induction strength are well matched, and the product has more excellent comprehensive performance.

The invention belongs to the technical field of molding, in particular to a technique method of thin plate continuous casting and tandem rolling, namely effective thin plate process (ETPP). The invention is composed of a conticaster and a rolling mill. Casting plate blanks are broken by the conticaster, a heating furnace is adopted to heat the plate blanks to a set temperature 1050-1200 DEG C, and then the plate blanks are delivered out through a roller way; iron scale on the surface of the plate blanks is removed by high-pressure water; the plate blanks are rolled by the rolling mill set andare performed with laminar flow cooling through a laminar flow cooling device; the slab bands are cooled to a target temperature of 550-780 DEG C and are coiled by a recoiling machine; and the rolling finished products can be delivered in whole coils or can be delivered through being cut into single plate or single stack by a transverse cutting unit. The process flow of the invention has simple equipment components, high production efficiency and little investment. The process of the invention can be applied to the construction of a newly-built or reconstructive medium-thick plate rolling mill.

The invention relates to a method for detecting raw anode carbon blocks, in particular to a method for detecting raw anode carbon blocks based on machine vision for the intelligent production of carbon plants. A green anode carbon block detection method based on machine vision. Cameras are set at the outlet of the carbon block forming machine in the forming workshop to collect images of carbon blocks from multiple angles. The cameras collect images of each surface of the carbon block, and then perform offline modeling and online detection; The offline modeling consists of two parts: the modeling of the top surface of the carbon block and the modeling of the remaining five surfaces; the online detection includes the detection of the top surface of the carbon block, the detection of the remaining five surfaces of the carbon block, and the judgment strategy of the qualified carbon block. The advantages and effects of the present invention: 1. The carbon block detection link in the forming workshop is intelligent, which reduces the labor quota; 2. The carbon block detection based on machine vision implements a unified standard, which is not affected by human subjective consciousness and personnel status, and the detection results are more accurate. Accurate; 3. This method can store the results of carbon block detection in the database, and provide data support for the MES system of the whole plant.

A process for cleaning the crude gas coming from the coal-pyrogenous furnace includes such steps as gas-liquid separation, cooling, capturing tar oil, removing benzene and naphthelene, desulfuring, conveying gas, and saturating to remove ammonia and obtain clean gas.

The invention discloses an overall thermal expansion manufacturing method for a heavy-duty car drive axle housing, and overcomes the problems that currently, material utilization rate is low, machinery processing load is heavy, the punching and welding production process chain is long, welding workload is heavy, product rigidity is low, and service life is short. The method includes 1, determining the structural size of a used billet, namely selecting the appropriate expansion ratio according to geometrical features and size parameters of an axle housing to be processed, determining the diameter of the specification of the billet to be D0, the wall thickness to be H0 and the length to be L0; 2, preforming the billet before thermal expansion; 3, cutting prefabricated hole in the middle of the preformed billet, namely cutting axial elongated prefabricated through holes in the bedding face after the middle of the billet is flattened and allowing an upper prefabricated through hole and a lower prefabricated through hole to be centered; 4, preforming in the manner of thermal expansion; 5, forming in the manner of thermal expansion; 6, shaping, namely eliminating drive axle housing lute holes and unrounded degree of a lateral flange after twice thermal expansions and allowing the radius of the large arc of an axle housing transition area to be 200mm.

The invention relates to scene explosive mixed loading equipment. The scene explosive mixed loading equipment comprises a chassis, a substrate cabin, a sensitizer box and a pumping system, wherein the substrate cabin and the sensitizer box are connected with the pumping system; the pumping system comprises a substrate pump, a sensitizer pump, a connecting rod, a pin shaft, a bracket, a connecting block, a mounting plate and a bolt; a piston rod of the substrate pump is connected with the connecting rod through the pin shaft; the other end of the connecting rod is connected with the bracket through the pin shaft; the connecting block is arranged at the middle part of the bracket; and the sensitizer pump is mounted on the connecting block. The scene explosive mixed loading equipment is simple in structure and continuous in feeding, and greatly reduces the labor intensity of workers when greatly improving the loading efficiency.

The invention relates to a casting device, an ingot casting system and an ingot casting method. The casting device includes a first frame and a first bucket with an open top, the bottom of the first bucket is provided with a hinged seat and a casting nozzle connected with the first bucket, the hinged seat is hinged with the first frame, and the casting nozzle A mold for molding is provided below; a first linear drive part is also included, the lower end of the first linear drive part is hinged to the first frame, and the upper end of the first linear drive part is hinged to the first bucket. The casting device and the ingot casting system of the present invention have a high degree of automation and high ingot casting efficiency; manual stripping is not required, and labor capacity is reduced; the ingot casting system of the present invention has a compact structure and a small footprint.

The invention relates to a measuring device and particularly relates to a box chamber material level measuring device. The box chamber material level measuring device comprises a sensing mechanism which comprises a rocker, a sensor and a fixed base, wherein the rocker is hinged with the fixed base and swings around the fixed base; the sensor is arranged on the fixed base; the sensor can be triggered through the swinging of the rocker; and the sensing mechanism synchronously moves with a discharger of a box chamber material distribution device in a length direction of the box chamber. The box chamber material level measuring device provided by the invention can be used for automatically detecting a material position, so that fixed personnel can be reduced, the automatic control on a discharging process can be realized, the efficiency is high, the charging quality is good, and a working environment of workers can be improved.