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144results about How to "Excellent and stable quality" patented technology

On-line quality evaluation and real-time intelligent control method for tobacco process parameter

The invention discloses a method for online quality evaluation and real-time intelligent control of a parameter during a process for processing tobacco. The method comprises the following steps: a parameter value between an operating parameter of raw material processing equipment and inner quality of a processed product is preset through a data management system; online acquisition is carried out in real time through a data management acquisition system; a parameter acquired by real-time online acquisition is compared with the preset parameter value through an intelligent control system of a data management layer; a valve, a draught fan and an air door power element on the equipment and parameter regulation of tobacco strip remoistening and rotating speed of a conditioning cylinder can be controlled through regulating the operating parameter of the PLC control system and a setting value of a PID open-close loop automation control parameter, thereby realizing accurate and dynamic control of raw material quality variation tendency during a tobacco online processing process and ensuring that the inner quality of the product can be controlled in an excellent and stable range in real time. The method is applicable to control of inner index in a tobacco primary processing line, a tobacco beating and redrying line, a CO2 swelling tobacco line and a rolling, connecting and packaging processing process.
Owner:QINHUANGDAO TOBACCO MACHINERY

Device for preparing environment-friendly type bast fiber film

The invention discloses an environment-friendly type bast fiber film preparation device, which comprises two feeding machines, a feed mixer, a crude opening machine, a fine opening machine, a vibrating air pressure bast feeding box, a carding machine, a mechanical cross lapper, an air-lay machine, an impregnator, a drying can type pre-drying pit, an air-pressure double-roller planishing mill, a surface spraying coating machine, a drying can type dying setting machine, a drafting side cut lap former and the other operation unit machines. Each unit-air conditioning adopts variable-frequency control and a synchronizer to control electric appliances, and each unit-air conditioning can be singly operated in high speed, and can be interlocked to operate with complete equipment. The invention has the advantages that fibrilia is delivered by an airflow pipeline on the crude opening machine, and between the crude opening machine and the carding machine, and the supply of raw material is continuous, net is combined in two times through a machine to pave net and airflow to form net, bast fiber film net has little density, even strength and stable quality, even coating layers are coated and sprayed on double faces of bast fiber film, and bast fiber film with different functions and usages can be made, continuous and stable full-automatic production of bast fiber film can be achieved.
Owner:INST OF BAST FIBER CROPS CHINESE ACADEMY OF AGRI SCI

Equipment and process for producing high-performance polyphenylene sulfide fine-denier fiber

The invention discloses equipment and a process for producing high-performance polyphenylene sulfide fine-denier fiber. The equipment comprises a drying system, a screw extruder, a filter, a spinning machine and a cooling device which are connected sequentially, wherein the drying system comprises a drying machine; a gas purification processor, a gas dehumidification processor, a fan and a heater are sequentially connected through gas delivery pipes in a sealed manner between a gas outlet and a gas inlet of the drying machine; the draw ratio of a screw rod of the screw extruder ranges from 26 to 32; the depth of a screw groove at the tail end of the metering section of the screw rod is 3 to 5 mm; an annular spinneret plate is mounted at the lower end of the spinning machine; and a plurality of concentric annular flow guide grooves and radial communicated flow guide grooves are formed in the annular spinneret plate. The process comprises the steps of selecting materials, drying, fusing, jetting silk, cooling and the like. According to the equipment and the process, the structures of a plurality of parts are improved; process steps and parameters are optimized; the produced polyphenylene sulfide fine-denier fiber has high quality stability; the qualified rate of products is high; and according to detection, the polyphenylene sulfide fine-denier fiber reaches or even exceeds the industrial standard and import products in multiple performance parameters.
Owner:SICHUAN UNFIRE POLYMER MATERIALS TECH

Liupao tea automatic pile fermentation technique and fermentation strain composition

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.
Owner:GUANGXI UNIV

Production method for producing cement and sulfuric acid from phosphogypsum

InactiveCN112694067AImprove product qualityEliminate the environmental problems of stackingSulfur compoundsCeramic production plantsReductive decompositionDust control
The invention discloses a production method for producing cement and sulfuric acid by using phosphogypsum. The method comprises the following steps: carrying out pretreatment purification on phosphogypsum to reduce insoluble phosphorus, water-soluble phosphorus impurities and most free water in the phosphogypsum, kneading with a reducing agent, granulating, and directly feeding the material into a reductive decomposition integrated rotary kiln with fluidization preheating function; controlling a gas phase atmosphere to perform step-by-step heating, drying, dehydration and reductive decomposition under the combustion of the pulverized coal; sulfur dioxide gas generated after reductive decomposition is used for producing sulfuric acid after being subjected to dust removal and purification; and the reduced and decomposed material enters an oxidation calcining kiln for cement clinker sintering, and the gas-phase atmosphere is controlled under the combustion of pulverized coal for heating, mineralizing and sintering to obtain the cement clinker. Compared with the prior art, the production method for producing cement and co-producing sulfuric acid by using phosphogypsum has the advantages that the coal consumption for reduction and firing is reduced, the production efficiency and the product quality are improved, the device investment is saved, the economic benefit of producers is increased, and the environmental protection problem of phosphogypsum stacking treatment is eliminated.
Owner:CHENGDU QIANLIJIN TECHCAL INNOVATION CO LTD

New energy battery case cleaning technology

The invention discloses a new energy battery case cleaning technology. The new energy battery case cleaning technology sequentially comprises the cleaning working procedures of the first time of water base cleaning, the second time of water base cleaning, the third time of water base cleaning, the first time of water draining cleaning, the first time of ultrasonic saponification, the second time of water draining cleaning, the first time of ultrasonic hydrocarbon cleaning, the second time of ultrasonic hydrocarbon cleaning, the first time of vacuum bathing and drying, and the second time of vacuum bathing and drying, wherein a distillation recovery working procedure is arranged between the first time of ultrasonic hydrocarbon cleaning and the second time of ultrasonic hydrocarbon cleaning, a leaching recovery working procedure is arranged between the first time of water base cleaning and the second time of water base cleaning, and a leaching recovery working procedure is arranged between the second time of water base cleaning and the third time of water base cleaning. According to the new energy battery case cleaning technology, precleaning is carried out through the action of emulsification, permeation, cleaning and the like of surfactants, then metathesis is carried out with a hydrocarbon water draining agent, water draining is carried out after ultrasonic saponification is carried out, and at last, strengthened cleaning is carried out with a vacuum hydrocarbon cleaning agent so that dirt on a highlight surface can be thoroughly removed. The new energy battery case cleaning technology is good and stable in quality, and furthermore, the cleaning agent is recyclable, the cost is low, and the influence on the environment is little.
Owner:SHENZHEN XINCHENGNUO ENVIRONMENTAL PROTECTION IND CO LTD

Method for preparing healthcare silk quilt

The invention belongs to the technical field of silk quilts, and discloses a method for preparing a healthcare silk quilt. The method comprises the following steps that 1, silkworm cocoon raw materials are manually screened; 2, the silkworm cocoon raw materials are dried; 3, after husks on the outermost layers of dried silkworm cocoons are removed, the cocoons are peeled and made into silk pieces;4, the silk pieces are soaked, stirred, cleaned and dehydrated; 5, the dehydrated silk pieces and a degumming agent are placed in a cocoon cooking machine to be stewed, then the silk pieces are fastcleaned with cold water for cooling, then the silk pieces are placed in a drying machine to be dehydrated, and the silk pieces are dried till the water content ranges from 10% to 15%; 6, a finishing agent and natural aromatic are sprayed to the surfaces of the silk pieces; 7, the silk pieces are stretched and spread into multiple layers, and a layer of cotton fibers soaked with the natural aromatic is spread between every two layers; 8, a cotton kneading machine is used for planishing, and the healthcare silk quilt is obtained. The production efficiency is high, and the prepared healthcare silk quilt is good in filling power and tension, and has the healthcare functions of resisting bacteria, preventing mites, preventing insects and the like.
Owner:YIZHOU ZHUANGGE SILK

Frozen fermented glutinous rice or rice noodle products and key preparation method thereof

InactiveCN108522982ANot afraid of agingDelicate tasteFood coatingDeep fryingHigh sugar
The invention relates to frozen fermented glutinous rice or rice noodle products and a key preparation method thereof. The products comprise a frozen pure fermented glutinous rice product and a mixedfrozen rice noodle product of fermented glutinous rice and other rice noodles. The key preparation method adopts drying and freezing techniques. Limited by the problems that the fermented glutinous rice is not easy to form due to high water content and not easy to dewater due to high sugar degree, starch is easy to age in products, and the like, the varieties of products using the fermented glutinous rice as a raw material are few, all the products cannot serve as convenient staple food, and the market rate is extremely low. The frozen fermented glutinous rice or rice noodle products are characterized in that glutinous rice and the like are used as raw materials to be fermented into fermented glutinous rice, and then the fermented glutinous rice is subjected to boiling, grinding, drying (partial dewatering) or addition of rice noodles, cooling, forming and freezing to obtain cooked or half-cooked frozen products. When eaten, the frozen fermented glutinous rice or rice noodle products are heated by roasting, frying, deep-frying, steaming, microwaving and the like. The products provided by the invention are purely natural fermented food, are sour, sweet, mellow, fragrant and chewy inmouthfeel, can serve as staple food or non-staple food, can be subjected to large-scale and standardized production, have a long shelf life, a simple and convenient preparation method, simple equipment and low cost, and can be prepared at home.
Owner:HARBIN UNIV OF COMMERCE
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