94results about How to "Smooth production process" patented technology

The invention discloses a preparation method of a water-based coating for lost foam casting. A coating prepared by the preparation method has excellent performances, good suspensibility, thixotropy and permeability, and high surface strength. The preparation method overcomes the defects that refractory powder adopted by the conventional casting coating preparation technology is very expensive and a coating production cost of the conventional casting coating preparation technology is high. A casting coating obtained by the preparation method is smooth and has appropriate viscosity. Through the preparation method, a high-quality casting coating can be prepared from cheap raw materials through simple production processes. Therefore, the preparation method reduces a coating production cost and realizes good finished product quality.

The invention discloses a glass fiber reinforced PBT (Poly Butylenes Terephthalate)/PP (Polypropylene) alloy material and a preparation method thereof. The glass fiber reinforced PBT/PP alloy material consists of the following components in parts by weight: 100 parts of PBT resin, 30-50 parts of PP resin, 10-25 parts of home-made compatilizer, 20-40 parts of flame retardant, 8-20 parts of flame retardant synergist, 1-3 parts of lubricant, 0.2-1.5 parts of antioxidant and 35-70 parts of glass fiber, wherein the home-made compatilizer is one or more of PP-grafted maleic anhydride, POE (Polyolefin Elastomer)-grafted polyglycidyl acrylate or acrylic ester-grafted ternary ethylenepropylene elastomer. In the PBT/PP alloy material, the home-made PBT/PP alloy compatilizer is selected, so that the compatibility of a PBT/PP alloy is improved, the comprehensive mechanical performance is enhanced, and the technical problems of low gap impact performance, high production cost and poor PP size stability of the PBT in the prior art are solved greatly.

The invention relates to a compound for improving the heat resistance of an amino-modified silicone oil carbon fiber oil formulation and preparation and application thereof. The compound has the structure shown in a formula (I). The compound is added into the oil formulation to be used by compounding with side chain aminopropyl-modified silicone oil with the kinematic viscosity of 80 cp-300 cp and the amino value of 0.15 mmol/g-0.20 mmol/g, the heat resistance of the oil formulation is greatly improved, and the problems of glue solidifying and roll sticking of the modified silicon oil formulation and modified silicon oil formulation embrittling and fracturing which occur in pre-oxidizing at 350 DEG C are solved.

The invention relates to an arsenic removal process containing a post-combustion technology and belongs to the technical field of a gold and silver extraction method for precious metal smelting. The arsenic removal process comprises the following steps of: treating gold concentrate containing arsenic by adopting a two-stage roasting process, removing the arsenic as well as sulphur and changing an ore structure, generating porous roasted ore to facilitate next cyaniding operation and improve the leaching rate of gold, and recovering valuable elements in the concentrate; through controlling the air quantity, removing the arsenic and the sulphur in the first-stage roasting under the anoxic roasting atmosphere, carrying out sulfatizing roasting in the second-stage roasting under the oxygen atmosphere; and after flue gas generated by roasting is subjected to arsenic removal, producing sulfuric acid and generating the arsenic into thick white arsenic for sales. The arsenic removal process has the beneficial effects that a traditional process is improved, a post-combustion process is increased on the basis of the traditional process, the problems of initial sulfur condensation and non-arsenic trioxide (As2S3) compound deposition caused by incomplete combustion of roasted flue gas are solved, and the effects of smooth production process and advanced process index are achieved.

The invention discloses a direct injection molten iron desulphurization spray gun for a metal particle magnesium or magnesium-based or calcium-based desulphurization agent. The direct injection molten iron desulphurization spray gun comprises a connecting flange and a gun barrel which are sequentially connected and communicated, wherein the gun barrel comprises a connecting section gun barrel and a gun body section gun barrel; the connecting section gun barrel comprises a gun core; a distributor is connected with the lower end of the gun core of the gun body section gun barrel; the distributor comprises an upper end short connecting pipe, a lower end plug platform and a plurality of through holes formed in the wall of the short connecting pipe; and each through hole is communicated with a jetting pipe, and the jetting pipes are distributed in a fire-proof pouring material liner positioned outside the side wall of the distributor. The direct injection molten iron desulphurization spray gun disclosed by the invention can be used for enhancing the jetting strength, extending the desulphurization reaction area and intensifying the gasification and dissolution of metal particle magnesium through structural design, and can be used for enhancing the adaptability on low-quality metal particle magnesium and jetting desulphurization of molten iron tanks with different sizes, extending the adaptive capacity of a process and reducing the consumption cost of the molten iron desulphurization metal particle magnesium through the improvement of desulphurization process steps.

The invention discloses a method for preparing nano copper powder in a micromolecular viscous medium. The method comprises the steps of: by taking a surface active agent, salt, a complexing agent, an antifoaming agent, an antioxidant, cupric salt, a reducing agent and deionized water as raw materials and according to the proportion of (0.001-95 percent) : (0.001-95 percent) : (0.001-80 percent): (0.001-75 percent): (0.001-70 percent): (0.001-75 percent): (0.001-70 percent): (0.001-98 percent), preparing the micromolecular viscous medium by using the surface active agent, the salt, the complexing agent, the antifoaming agent, the antioxidant and the deionized water; adding the cupric salt and uniformly mixing; adding the reducing agent and mixing; adding the deionized water to dilute so asto reduce the degree of viscosity according to a mass ratio of 1:0.5-10 of the total quantity of all materials abovementioned to the deionized water after the reaction completes; and obtaining nano copper powder through filter-pressing, deionized water washing, acetone washing and vacuum drying. According to the method disclosed by the invention, the raw materials selected in the invention are easily available, the manufacturing technique is simple and short, the production efficiency is high, the production cost and the energy compunction are low, and powder has low possibility of agglomeration and has good dispersibility, therefore the method is suitable for large-scale production and solves the problems of easy oxidation and easy agglomeration of the nano copper powder existing in the traditional chemical preparation method.

The invention relates to a method for detecting physical and chemical indexes of a reconstituted tobacco extracting solution and a tobacco extracting paste by a near infrared spectrum detection paper making method, which comprises the following steps of: carrying out the detection of the physical and chemical indexes on collected samples one by one by a standard method to obtain quantitative reference data; scanning and collecting spectrums of all the samples, carrying out spectrum preprocessing for eliminating the influence of noise and baseline drift; then corresponding spectrum data to the reference data of all physical and chemical indexes obtained by the standard method one to one and establishing a quantitative model by a partial least square method and mutual verification; carrying out accuracy and reproducibility inspection and then storing the quantitative model in a computer. When the physical and chemical component content of the reconstituted tobacco extracting solution and tobacco extracting paste samples to be detected needs to be detected, the near infrared spectrum data of the samples to be detected are scanned and collected, and the physical and chemical indexes of the reconstituted tobacco extracting solution and the tobacco extracting paste in the paper making method can be detected by calling the analysis of the quantitative model. The method has rapid and accurate detection and low analyzing cost without damaging the analyzing samples and pollution.

The invention discloses a Liupao tea automatic pile fermentation strain composition which comprises a base bacterium solution, a consolidation bacterium solution and an aging bacterium solution. The bacterium solutions contain Aspergillus awamori, Aspergillus niger, Aspergillus tubingensis, penicillium citrinum, Aspergillus fumigatus, Eurotium rubrum, Aspergillus versicolor, Eurotium amstelodami, Paecilomyces variotii, Eurotium niveoglaucum, saccharomycetes and other beneficial microorganisms. On such basis, the inventor establishes the corresponding fermentation technique and equipment; and on the premise of not changing the upstream and downstream main production techniques of the original pile fermentation, the beneficial microorganism florae are added to control the growth of harmful infectious microbes, thereby enhancing the fermentation efficiency, shortening the pile fermentation period, and keeping the special thick flavor of the traditional Liupao tea. The pile fermentation automatic control system is utilized to dynamically monitor and control the changes on temperature, humidity and florae in the whole fermentation process, thereby implementing automation, continuity and high efficiency of the production technique, and ensuring the Liupao tea product to have safe and reliable quality and high and stable quality.

A system for proportioning liquid asphalt is composed of high-position tank, check tank, two-way valve connected between outlet of high-position tank and inlet of check tank, asphalt pump, another two-way valve connected between outlet of check tank and tree-way valve connected with asphalt pum, and mass flowmeter connected to asphalt pump. Its technological flow includes such steps as comparing the flow signal from mass flowmeter with the flow setting for regulating the rotation speed of asphalt pump, and calibrating the mass flowmeter by comparing the weighing result of check tank with the result displayed by mass flowmeter.

The present invention provides alumless vermicelli agglutinant which includes high effective composite emulsifier, sodium carboxymethyl cellulose, sodium tripolyphosphate, tartaric acid, potassium hydrogen tartarate, sodium bicarbonate, paraffin wax, edible salt, acid denatured potato starch. The present invention also discloses alumless vermicelli including sweet potato starch, potato starch, corn starch etc. The present invention also discloses the production method of alumless vermicelli, said method can shorten ageing time, raise product performance, improve manufacturing efficiency etc.

The invention relates to a development and the application for on-line detecting technology for aluminum electrolysis power-supply rectifying equipment, in detail a current-sharing on-line detecting method for aluminum electrolysis rectifying cabinet. The invention comprises following procedures that on-line detection, data collection, data concentration and data application. The invention possesses following benefits. The invention realizes the integration of transformer current-sharing detection system and accomplishes management network of business management so that data share, adjusting management production resource scientifically and dynamically, in time optimizing and organizing production are realized; dynamic monitoring, dynamic analyzing and stable producing for rectifying element in transformer current-sharing cabinet are realized, producing flow is insured smooth; and modern enterprise target with enterprise information, information resource, transfer network and scientific management is realized. The on-line detecting method is suitable for automatic control system of aluminum electrolysis power supply system.

The invention discloses a molten iron pure spray particle magnesium desulfurization spray gun with a vaporizing chamber in a spearhead. The molten iron pure spray particle magnesium desulfurization spray gun comprises a connecting flange, a gun-barrel and a spearhead blowing vaporizing chamber, which are sequentially connected and communicated with each other, wherein the spearhead blowing vaporizing chamber is sequentially composed of a vaporizing chamber bell jar, an anchoring part group and a refractory castable lining from inside to outside; a bottom skirt is arranged at the lower end of the vaporizing chamber bell jar; and a plurality of air outlets are evenly formed in the bottom skirt in an emission shape. The method comprises the following steps: selecting a metal material to process and fabricate each component of the spray gun and removing rust for later use according to structural parameters of the spray gun; sequentially preparing a gun core and the vaporizing chamber bell jar; connecting the gun core and the vaporizing chamber bell jar by welding; and welding a reinforcing rib plate in a gap among the lower end of the gun core, the top of the vaporizing chamber bell jar and the refractory castable lining; and finally welding the anchoring part group, and pouring to obtain the spray gun. Compared with a conventional vaporizing chamber spray gun, the molten iron pure spray particle magnesium desulfurization spray gun disclosed by the invention has the advantages of being simple in structure, stable to blow, low in cost, efficient in desulfurization, long in service life and the like.

The invention discloses a battery automatic disk-assembling machine. The battery automatic disk-assembling machine comprises a rack, a rotating mechanism is arranged on the rack, a battery loading position, a battery code-scanning position, a battery blanking position, and a NG sorting position are orderly arranged along an edge of the rotating mechanism; a battery loading mechanism is arranged onthe rack at one side of the battery loading position, a battery code-scanning mechanism is arranged above the battery code-scanning position, a NG sorting mechanism is arranged on the rack at one side of the NG sorting position, a lug shaping mechanism is arranged on at least one side of the battery blanking position, a battery steering mechanism for enabling the battery to rotate along a horizontal direction is arranged at one side of each lug shaping mechanism, a battery overturning mechanism for overturning the battery in a vertical direction is arranged at one side of each battery steering mechanism, and up-down material box mechanisms are arranged by the side of the battery overturning mechanisms. The running is stable, the product consistency is improved, the one-to-one correspondence of the battery and the QR code on the material box is guaranteed, thereby guaranteeing the smooth performing of the next step of process.

The invention discloses a method for processing a high-precision local ultra-high current printed circuit board. The printed circuit board includes a substrate and thin copper layers and thick copper layers respectively arranged on both sides of the substrate. When making outer-layer circuits, First, a layer of dry film is applied to the thick copper layer for protection, and the thin copper layer is exposed, developed, electroplated, and etched to produce a thin copper layer circuit pattern; then a layer of dry film is applied to the thin copper layer circuit pattern Protection, and the thick copper layer is made into a thick copper layer circuit pattern through exposure, development, electroplating, and etching processes. The high-precision local ultra-high-current printed circuit board processing method adopts facet-time production lines and facet-time etching and separate times to make solder resists, making it possible for yin and yang copper thick printed boards. The reform of the method makes the product quality fully meet the customer's requirements, and can meet the customer's demand for special printed boards, which increases the market's ability to receive orders and improves economic benefits.

The invention provides a process method for producing a nitro fulvic acid compound fertilizer by virtue of a high tower. The compound fertilizer is prepared by virtue of a high-tower fusion-spraying granulation equipment system. The process method specifically comprises the steps of dissolving, mixing, reacting, granulating, cooling, sieving and enveloping, so as to obtain the finished nitro fulvic acid compound fertilizer. According to the process method, the problem that organic matters such as fulvic acid cannot be heavily added in the existing high-tower production process of the compound fertilizer is solved; and by utilizing novel raw materials and process, the effective content of fulvic acid in the nitro fulvic acid compound fertilizer produced by virtue of the high tower is more than or equal to 3.5%. The compound fertilizer produced by virtue of the process method contains the following components in parts by weight: 30-80 parts of a nitro-nitrogen fertilizer, 8-40 parts of a phosphate fertilizer, 0-50 parts of a potassium fertilizer and 9-25 parts of vitality elements. The compound fertilizer contains rich elements such as nitrogen, phosphorus and potassium, is capable of activating soil, can be directly absorbed and utilized by soil and can meet diversities of types, numbers and proportions of nutrients required by different crops.

The invention discloses a powder alkali cleaner, comprising the following substances of: 25-35 wt% of grape alkali, 54-69 wt% of sodium hydroxide, 2-12 wt% of tetrasodium edetate, and 0-2 wt% of soda ash. The powder alkali cleaner provided by the invention is applicable to clean spinning spinnerets (PACK), parts and monomer candles of chemical fiber and terylene factories; can remove carbide, heat scale, dirt, grease stain and polymer, resist rust, and strip titanium dioxide (TiO2) on filter tubes; by using the powder alkali cleaner, two third of additive volume can be saved, the waste processing amount can also be reduced, the filter changing period of filter cores can be prolonged, the production process can be improved, and the output and quality can be greatly enhanced.

The invention discloses a disposing and recycling method of a waste package plastic bucket. The disposing and recycling method comprises the following steps of (1) removal of residual liquid in the waste package plastic bucket; (2) crushing cleaning with a crusher; (3) high-speed rubbing cleaning; (4) rinsing; (5) spin drying; (6) tag separation with a tag separator; and (7) packaging. According to the disposing and recycling method, the waste package plastic bucket is subjected to crushing cleaning, rubbing cleaning, rinsing, spin-drying and tag separation, a large number of plastic sheets are recycled, the process is simple, and energy saving and environmental friendliness are achieved. Meanwhile, generated cleaning waste water, waste gas and waste residues are reasonably disposed, and cyclic regeneration of resources is achieved.