50results about How to "Lower total production cost" patented technology

The invention, which belongs to the field of the information technology, relates to an energy consumption prediction method for improving an energy utilization rate of an iron and steel enterprise. A neural network algorithm with error feedback correction learning is used for carrying out prediction. In order to solve a problem of slow convergence speed of the traditional learning method, a momentum is added into an adjusting formula of a weight value and a threshold value, thereby accelerating a training speed of a network. With an adaptive adjusting learning rate, a learning rate of training at an error curved surface flat area is increased; and a learning rate is reduced at a drastic error changing area. On the basis of time-varying-weight-based parameter combination optimization method, distribution of an initial weight value and an initial threshold value is optimized, and good searching space is localized in solution space to avoid a local minimal point. According to the energy consumption prediction method, characteristics of energy consumption of all procedures are taken into consideration; the energy utilization rate is improved; and the energy costs are reduced and thus total production cost is lowered.

Burdock synanthrin and its preparation method. the matter is extracted from root of burdock, white or weak yellow amorphous loose solid powder, freely soluble in water, slightly sweet, stable thermally. The left of optical rotation in water is -29.8í

The invention belongs to the field of the chemical industry, and relates to a preparation method of large-particle crystal type high-bulk-density calcium 2-hydroxy-4-(methylthio)butyrate. The preparation method of the large-particle crystal type high-bulk-density calcium 2-hydroxy-4-(methylthio)butyrate comprises the following steps that 2-hydroxy-4-(methylthio)butyric acid, a calcium compound and a crystallizing agent are arranged in an aqueous medium, the pH is adjusted to be 5-7, the temperature is 60-80DEG C, stirring and full reactions are carried out, cooling crystallization is carried out to obtain calcium 2-hydroxy-4-(methylthio)butyrate crystals, separation is carried out to obtain crystals and coarse product mother liquid, and the crystals serve as calcium 2-hydroxy-4-(methylthio)butyrate coarse products. The calcium compound is one or more of calcium salt, calcium oxide and calcium hydroxide, and the use amount of the crystallizing agent is 50ppm-3000ppm of the mass of the 2-hydroxy-4-(methylthio)butyric acid. Materials produced through the preparation method of the large-particle crystal type high-bulk-density calcium 2-hydroxy-4-(methylthio)butyrate are high in purity, dehydration is easy, drying is rapid, crystal particles obtained after drying are large, good in mobility and large in bulk density, the amount of dust is low, glossiness is high, and the materials are more applicable to fodder.

The present invention is a treatment method for water-rich aluminium hydroxide sludge. Water-rich aluminium hydroxide sludge is rolled into sheet, and then it is frozen in a multiple-process and multiple-section belt conveyer type freezer with freezing temperature of minus 30 to minus 10 deg.C for 30-60 min; it is dewatered in a normal temperature-water thawing tank, low-vacuum filtered or squeezed to obtain wet sludge cake; and it is dried in a multiple-partition hot-carrier fluidized bed with industrial waste gas at 70-90 deg.C for 30-60 min to obtain the dry aluminium hydroxide sludge product. The present invention has the features of easy operation, low power consumption, low cost and no pollution.

A blade for a rotor of a wind turbine having a substantially horizontal rotor shaft is described. The rotor comprises a hub, from which the blade extends substantially in a radial direction when mounted to the hub. The blade comprises a profiled contour comprising a pressure side and a suction side as well as a leading edge and a trailing edge with a chord extending between the leading edge and the trailing edge, the profiled contour generating a lift when being impacted by an incident airflow, the profiled contour in the radial direction being divided into a root region with a substantially circular or elliptical profile closest to the hub, an airfoil region with a lift generating profile furthest away from the hub, and preferably a transition region between the root region and the airfoil region, the transition region having a profile gradually changing in the radial direction from the circular or elliptical profile of the root region to the lift generating profile of the airfoil region, wherein the airfoil region comprises at least a first longitudinal segment extending along at least 20% of a longitudinal extent of the airfoil region, the first longitudinal segment comprising a first base part having a leading edge and a trailing edge with a chord extending between the leading edge and the trailing edge. The first base part has an inherent non-ideal twist, such as no twist, or a reduced twist compared to a target blade twist, so that an axial induction factor of the first base part without flow altering devices at a design point deviates from a target axial induction factor. The first longitudinal segment is provided with a number of first flow altering devices arranged so as to adjust the aerodynamic properties of the first longitudinal segment to substantially meet the target axial induction factor at the design point.

The invention concerns a method for producing a hybrid-structure part of a motor vehicle, comprising shaping of a sheet of metallic material, the provision of a sheet of composite material, application of a layer of connecting material on a face of said metallic material sheet or on a face of said composite material sheet, the shaping of a hybrid element by shaping said composite material sheet to the shape of said metallic material sheet and joining the composite material sheet to the metallic material sheet by means of said connecting material layer, and the production of rigidification elements by overmoulding using a polymer material.

The invention provides an anti-corrosion coating process in an oil casing pipe. The process comprises the following steps that firstly, the inner wall of the flat-end oil casing is cleaned; secondly,anti-corrosion layer coating treatment and curing treatment are conducted on the inner wall of a flat-end oil casing pipe body; thirdly, threads at the pipe end of the oil casing pipe are machined; inthe thread machining process, the highest temperature of the inner wall of the thread machining part does not exceed 90% of the upper limit value of the temperature resistance of an anti-corrosion layer of the pipe body in terms of the celsius degree; cutting fluid used for thread machining does not damage the anti-corrosion layer coated on the inner wall of the oil casing pipe; and fourthly, theoil casing pipe is subjected to coupling tightening and pipe end protection, and the whole anti-corrosion coating process in the oil casing pipe is completed. The technological process is simple, thedefective product generation probability is low, and the anti-corrosion coating process can be well suitable for coating in the oil casing pipe of high-temperature-resistant anti-corrosion paint, andcoating in the low-end and conventional paint oil casing pipe for temporary storage and transportation is achieved at a low price.

The invention discloses a dump leaching technique of ground organism of secondary copper sulphide ore with high content of arsenic. The technique comprises the following steps: the secondary copper sulphide ore with high content of arsenic is crushed to 10 to 30mm, and acid mine water of mineral-leaching microorganism with thiobacillus ferrooxidans and thiobacillus thiooxidans is used for leaching the secondary copper sulphide ore with high content of arsenic; while most of the arsenic in the ore is still in leaching residue and a small part of the arsenic is in the leachate, faffinated and electrodeposition liquid; but closed cycle in the production has no effect on the extraction and electrodeposition and standard cathode copper product, thus avoiding the hazard of the arsenic to the environment. The technique has short process, little investment, low cost and energy consumption, no pollution and high rate of recovery, can process the copper ore with high content of arsenic which can not be processed by the traditional smelting technique, and also can process the secondary copper sulphide ore with high content of arsenic and similar secondary copper sulphide ore with high content of arsenic so as to expand the utilization range of resources.

The present invention concerns a device (1) for applying gripping handles (M) on films (P), being supplied on shrinkwrap packers (2) for making bundles di bottles (B), cans and/or similar containers (B). The device (1) comprises: an applying head (10) provided with a roller (11) for applying gripping handles (M); an abutment mechanism (14) for operatively supporting a series of heat-shrinkable packaging films (P), being supplied on a respective shrinkwrap packer (2). The applying roller (11) and the abutment mechanism (14) are mobile with respect to one another between a non- operating condition, in which they are spaced apart, and an operating condition, in which the applying roller (11) is arranged, at the abutment mechanism (14), against at least one of the films (P) being supplied to apply a respective gripping handle (M) on the latter. The abutment mechanism (14) comprises a supporting tape (15) having an advancement surface (16) for advancing the films (P), which, in the operating condition, provides an abutment for the applying roller (11), which applies each handle (M) on a respective packaging film (P), acting against the advancement surface (16) of the supporting tape (15).

A process for separating air by cryogenic distillation in a column system comprising a high pressure column and a low pressure column comprises compressing all the feed air in a first compressor (1) to a first outlet pressure, sending a first part of the air at the first outlet pressure to a second compressor (3) and compressing the air to a second outlet pressure, cooling at least part of the air at the second outlet pressure in a heat exchanger (5) liquefying at least part of the air at the second outlet pressure and sending the liquefied air to at least one column of the column system wherein at least 50% of the liquefied air sent to the column system has been compressed in the second compressor, cooling a second part of the air (12) at the first outlet pressure in the heat exchanger and expanding at least part of the second part of the air in an expander (13) from the first outlet pressure to the pressure of a column (30, 31) of column system and sending the expanded air to that column, at least partially vaporizing an auxiliary fluid (6) , eventually further warming said auxiliary fluid in the heat exchanger, sending at least part of this auxiliary fluid to a third compressor (8) to a third outlet pressure, introducing at least part (9) of said auxiliary fluid at said third outlet pressure in the heat exchanger, cooling said auxiliary fluid and at least partially liquefying said auxiliary fluid, removing said auxiliary stream (10) from the heat exchanger and expanding (16) it to a fourth pressure level before reintroducing it in the heat exchanger where it will be partially vaporized as above- mentioned, removing liquid (20) from a column (31) of the column system and vaporizing the liquid by heat exchange in the heat exchanger.

The invention relates to a high strength pre-stressed concrete pipe pile, which comprises cement, mineral slag, iron tailing, fly ash, silicon carbide, lime, sodium carbonate, broken stone, tartaric acid, early strong agent, and water reducer. The pipe pile is prepared by the following steps: weighing the components mentioned above, adding water, evenly stirring, casting the mixture into a mould, carrying out centrifugal moulding, and finally performing steam curing under a normal pressure to obtain the finished product. The components cooperate with each other to generate a synergetic effect, the strength of finished product is larger than 100 Mpa, moreover, the cost is proper, the production technology is simple and convenient, the curing is carried out without high pressure, the energy is saved, and the total production cost is reduced.

The invention discloses a woven carpet piece, which comprises a tufted layer and a substrate layer; the tufted layer is bonded with the substrate layer via adhesive to form the tufted layer, the adhesive layer and the substrate layer. The invention solves the deficiencies of the prior art, and bonds the tufted layer with the substrate layer via a polymer adhesive layer, and the two layers only need one set of device and one process to directly produce finished products unlike the prior production devices, thereby the production method greatly simplifies the production process, saves the amount of adhesive, decreases two-sided coating layer, thus greatly reducing the total production cost of the carpet.

The invention discloses a black wrapping film and a preparation method thereof. The black wrapping film is prepared from the following raw materials: 37 to 99.6 parts of linear low density polyethylene, 0 to 50 parts of metallocene linear low density polyethylene, 0.2 to 10 parts of black masterbatch, 0.2 to 10 parts of viscosity-increasing masterbatch, 0 to 30 parts of reclaimed material; whereinthe black masterbatch is prepared from 40 to 70 parts of polyethylene, 20 to 55 parts of carbon black, 5 to 30 parts of polyethylene wax with number average relative molecular mass of 1000 to 4000; the viscosity-increasing masterbatch is prepared from 40 to 70 parts of polyethylene and 30 to 60 parts of polyisobutene in parts by mass. The raw materials are uniformly mixed to prepare the wrappingfilm by adopting a film casting method, wherein the temperature of film forming is 170 to 290 DEG C, the temperature of a cooling roller is 15 to 35 DEG C and the speed ratio is 1.01 to 1.2. Accordingto the invention, relatively less viscosity-increasing masterbatch is used, the better viscidity is obtained, the release of the viscidity is quick, the delivery cycle is greatly shortened; meanwhile, the reclaimed material is adopted, the cost is lower, the environment influence is less, the preparation method is simple and convenient, the requirement on production equipment is low and easy to control, and the preparation method is suitable for continuous production.

The invention provides a method for producing chlorfenapyr intermediate pyrrole by replacing acetonitrile with a solvent DMF. The solvent DMF is used for replacing acetonitrile. The method for producing the chlorfenapyr intermediate pyrrole by replacing acetonitrile with the solvent DMF comprises the following steps: extraction replacement, heat preservation reaction and condensation desolvation. The method has the beneficial effects that the reaction temperature of the pyrrolation cyclization reaction for preparing the intermediate is increased to 80 DEG C, the yield is increased to 90% or above in a breakthrough manner, the consumed solvent amount is reduced by more than 30%, the production cost is reduced by about 86%, the production cost is greatly reduced, and the production burden of enterprises is reduced.

The invention discloses a vehicle engine cover adopting a foam molding process. The vehicle engine cover comprises an engine cover body, and a bushing arranged on the engine cover body; the engine cover body is integrally molded through a PUR all-water foaming self-skinning process; reinforcing ribs are arranged on the back surface of the engine cover body in a criss-cross manner; and support blocks for achieving a support effect are arranged on the side walls of the reinforcing ribs. The engine cover has a decoration effect, and is more excellent in protection function; the thermal insulation, sound absorption and noise reduction indexes and performances are promoted by 30%; the formation parts are reduced from 8 to 3; the assembly production procedure and the field transfer are reduced; and the operators are reduced.