53results about How to "Product Quality Impact" patented technology

The invention discloses a making method of ultrapure hydrogen peroxide, which comprises the following steps: adopting industrial hydrogen peroxide as raw material; predisposing through ionic exchanging method or distilling method to reach agent grade standard; adopting large-hole adsorbing resin to remove organic carbon; removing impurity ion through two-segment of ionic exchanging column; gathering the dust particle from film filter to obtain the object.

The invention discloses a banding moving object tightening differential adjustment method, which comprises the following steps: monitoring bias condition of banding moving object and reducing tensile force of stretch roll in bias direction. The device comprises bias sensor, stretch roll and tensile force driving device connected with the two sides of stretch roll. Bias sensor connects control device of tensile force, via which tension-adjusting gear connects with tensile force driving device. Compared with existing technology, the greatest difference is that, according to bias condition of banding moving object, the invention adjusts tensile force of tension roll in time to ensure tensile force bias of the two sides and achieve correcting error. The invention has the advantages of simplicity of structure, low error rate, high reliability, no limitation of width of banding moving object, wide application area and so on.

The invention discloses an energy-saving and yield-improving production method of ethyl acetate. The production method comprises the following steps of: heating and gasifying raw material acetic acid and ethanol and then feeding into a reaction kettle to react; recovering a bottom material in the reaction kettle according to a certain proportion with the total amount of fed materials to an evaporator to perform flash evaporation, wherein most of ester and alcohol in the bottom material which is subjected to flash evaporation are returned to the bottom of an esterification tower, and the ester phase of the rest bottom material is a large amount of acid and a part of water and is discharged through a pump from the bottom of the evaporator; conveying the treated bottom material to a heat exchanger through the pump for heating and then directly feeding into a dehydration tower to perform dehydration treatment; performing azeotropic distillation and recovering azeotrope formed by water and a dehydrant from the top of the esterification tower; condensing to split phase; discharging the water phase to a recovery tower for treatment; reflowing the oil phase to a dehydration tower; and newly returning acid which is discharged from the bottom of the dehydration tower to the reaction kettle to participate in esterification reaction. After the process is implemented, the water in the kettle is effectively reduced to further reduce the corrosion condition of the equipment, the energy of an esterification section is saved by 5-10 percent, the capacity can be increased by 10-20 percent, and the economic benefit is obvious.

The invention discloses a method for extracting and separating tungsten and molybdenum from a molybdenum-contained ammonium tungstate solution. The method comprises the steps that bicarbonate containing trialkyl methyl ammonium and an organic phase of a carbonate composite extractant of the bicarbonate are used for making contact with molybdenum-contained ammonium tungstate feed liquid subjected to vulcanization and an ammonium bicarbonate-ammonium carbonate mixed detergent correspondingly for performing fractional extraction, the molybdenum is made to enter the organic phase, the tungsten remains in a water phase, and a high-purity ammonium tungstate aqueous solution and an organic phase loaded with pure molybdenum are obtained; and then, the organic phase loaded with the pure molybdenumis oxidized through a hydrogen peroxide solution, reextraction is performed by adopting an ammonium bicarbonate-ammonium carbonate mixed solution, a high-purity ammonium molybdate solution is obtained, and an organic phase after reextraction can directly return back to extraction for repeated use without needing treatment. The method has the characteristics that the tungsten and molybdenum mutualseparation depth is high, no detrimental impurity is introduced, and high-purity tungsten and molybdenum product liquid can be obtained simultaneously.

The invention discloses a cement kiln cooperative processing domestic garbage power generation system and method. The power generation system comprises a garbage receiving and storage system, an incineration system, a filtered liquid treatment system, an odor treatment system, an afterheat boiler system, a steamer power generation system and a flue gas purification system. The cement kiln cooperative processing domestic garbage power generation system combines three process technologies, namely, cement production, garbage treatment and garbage power generation, and adopts a brand new garbage treatment technology which carries out harmless treatment on waste gases and ash residues generated by garbage incineration and the garbage filtered liquid and effectively utilizes the waste gases, ashresidues and the garbage filtered liquid. The technology solves the difficult problem of treating dioxin and garbage ash residues very well in addition to the advantages of a traditional garbage incineration method.

The invention discloses epoxy resin modified acrylic resin for road marking paints and a preparation method thereof. The epoxy resin modified acrylic resin is synthesized with, by weight, 5-10% of epoxy resin, 0.1-0.5% of acrylic acid, 10-20% of styrene, 10-25% of methyl methacrylate, 8-16% of methyl acrylate, 6-15% of a hydroxy acrylic monomer, 1-5% of an initiator, and 20-40% of methylbenzene. The optimal material composition and ratio are attained by screening through massive experiments; the synthetic process and the optimal usage ratio of the materials are optimized by massive experiments; modifying is performed on the acrylic resin via the epoxy resin under the optimal conditions so that good adhesion and wear resistance are attained; excellent water resistance, weatherability and gloss can also be retained; excellent advantages are gained.

The invention discloses a dry recovery system and a dry recovery method of reduction tail gas produced in a polysilicon production process. The system comprises a leaching tower, an absorption system, an absorption device, and a first filtering device. The absorption system is used for carrying out an absorption treatment upon leached reduction tail gas, such that chlorosilane and hydrogen chloride in the leached reduction tail gas can be removed, and hydrogen can be obtained. An adsorbentused for carrying out an absorption treatment upon the hydrogen is arranged in the absorption device, such that residual chlorosilane and hydrogen chloride in hydrogen can be further removed by adsorption. The first filtering device is used for filtering the hydrogen processed through the absorption treatment, such that high-purity hydrogen is obtained. A ceramic filter core is arranged in the first filtering device. According to the dry recovery system provided by the invention, a gas filtering device provided with the ceramic filter core is adopted. The filtering device has excellent properties of high-temperature resistance and corrosion resistance. Therefore, no influence is caused upon polysilicon product quality.

The invention discloses a method for reducing organic acid content of a fruit wine by adopting fungal hyphae. The method comprises the following steps: adding the fungal hyphae in a vegetative growth stage into the fruit wine in a production process, standing under the condition that the wine temperature is kept at 10-30 DEG C, and intermittently stirring so as to achieve the aim of reducing organic acid. The method disclosed by the invention can be used for reducing the specific organic acid content of the fruit wine by adopting the absorption, decomposition and transformation capacities of the fungal hyphae on the premise that the edible safety is ensured and the flavor can not be influenced, and can achieve a significant effect on reducing the organic acid.

The invention provides a method of measuring and monitoring weight of UO2 pellets in a single fuel rod in real time. The method comprises the following steps: (1) automatically reading, by a barcode reading device, a barcode on a cladding tube, and then comparing the barcode with welding information in a database to determine whether the cladding tube is already welded; (2) automatically weighing the determined welded cladding tube by means of a weighing system; (3) conveying the cladding tube already loaded with pellets to a weighing position again, automatically reading, by the barcode reading device, the barcode on the cladding tube, and then comparing the barcode with weighing information in the database; (4) automatically weighing the cladding tube determined as being filled with pellets by means of the weighing system; and (5) assembling a fuel assembly, inquiring about the barcodes on the cladding tubes, and automatically reading and counting up the weight of the loaded UO2 pellets. The method in the invention increases the level of informationization of fuel rod weighing, achieves data tracing in weight data storage, and can achieve immediate obtaining of the weight of UO2 pellets in a single fuel rod and real-time monitoring on consumption fluctuation of UO2 pellets during the production of the fuel rods.

The invention discloses a method for recycling waste alkali liquor in a polyformaldehyde device. The method comprises the following steps: (1) respectively delivering formaldehyde and ethanol into a dioxolane synthesizing tower; (2) delivering a gas phase material at the top of the dioxolane synthesizing tower into a dioxolane concentrating tower so as to remove ethylene glycol and the majority of formaldehyde in dioxolane; (3) cooling and delivering a gas phase discharged material at the top of the dioxolane synthesizing tower into an extraction tower, and extracting by adopting sodium hydroxide with mass percentage of greater than 45%; (4) delivering the dioxolane, with mass percentage of greater than 98%, obtained from the top of the extraction tower into a rectifying tower for purifying; and transporting the waste sodium hydroxide alkali liquor, with mass percentage of 30-35%, obtained from the bottom of the extraction tower to the polyformaldehyde device to prepare a sodium hydroxide solution with mass percentage of 10% below so as to be used for producing trioxymethylene. Any influence on the quality of trioxymethylene products can not be caused by adopting the method.

The invention discloses a plant Vitex negundo Linn paste. The manufacturing method comprises the following steps: (1) picking Vitex negundo Linn leaves, cleaning, and airing; (2) selecting full wheat, mixing the wheat with pure water, soaking, boiling the wheat, and finally, cooling; (3) spreading the cooled wheat on the Vitex negundo Linn leaves, covering the Vitex negundo Linn leaves on the wheat, and fermenting in a wood container at room temperature for 10-12 days; (4) taking out the fermented wheat, airing for 3-4 days, and grinding into powder; and (5) mixing the powder obtained in the step (4) with pure water and table salt according to the weight ratio of (1-2):(3-4):(0.05-0.1) to obtain the paste, and sealing in a jar for preservation. The product has the advantages of unique flavor, bright color, longer preservation time and low pollution tendency, and can be directly eaten after being taken out of the jar.

The invention discloses a furnace cover for producing sponge titanium, which comprises a cylinder, a panel arranged on the cylinder, and a bottom plate under the cylinder, wherein, the furnace cover is provided with an aisle bushing, a feeder bushing and a vacuum pipeline bushing. The furnace cover is characterized in that: a sleeve is arranged below the bottom plate of the furnace cover to ensure that the aisle bushing and the feeder bushing are arranged inside the sleeve, the vacuum pipeline bushing is positioned outside the sleeve, the bottom plate of the furnace cover is of an upward vaulted spherical shape, and a heat insulating material, namely sayla cotton containing zirconium is filled in a cavity enclosed by the panel, the bottom plate and the cylinder. The furnace cover can effectively prevent distilled materials from being directly pumped by a vacuum unit, and does not affect the production of reduction reaction at the same time; the vaulted bottom plate has large anti-deformation ability, which solves the problems of furnace cover deformation, threatening weld craters, short service life and so on. The furnace cover has universal interchange function, avoids distillates from contacting the air to be polluted, and assures the steady operation of the production.

The invention discloses a light environmental-friendly brick based on building wastes and a production process of the light environmental-friendly brick. The light environmental-friendly brick comprises the following raw materials in percentage by weight: 30-50% of water, 15-25% of Portland cement, 5-15% of a ceramic waste, 5-15% of a brick waste, 6-8% of river sand, 3-7% of bits of wood, 3-7% offurnace cinder and 2-4% of modified foaming aids. Due to adoption of the ceramic waste, the brick waste, the bits of wood and the furnace cinder in the raw materials, building wastes and slag materials can be reasonably recycled, environment influence caused by casual treatment can be avoided, the production cost can be reduced, and meanwhile the environment protection is greatly improved; and dueto adoption of the modified foaming aids, under coactions of final products, namely calcium dodecyl benzene sulfonate and sodium dodecyl benzene sulfonate generated in mutual reactions of raw materials in the modified foaming aids, and under the synergetic effect of a silicon resin polyether emulsion, a foaming effect is improved, and the consequence that bricks have unequal and too large self weights since air pores are unequal in size and non-uniform in distribution can be avoided.

The invention relates to the field of caprolactam production, in particular to a caprolactam production device and method, and the device comprises a cyclohexanone-oxime evaporation and gasification system, a mist separation system, a fluidized bed reaction system and a moving bed reaction system which are connected in series; the device further comprises a reaction solvent recycling system and acarrier gas recycling system. The method comprises the following steps: (1) evaporating and gasifying carrier gas, ethanol and cyclohexanone-oxime in a cyclohexanone-oxime evaporation and gasificationsystem; (2) feeding a gas-phase material flow obtained in the step (1) into a mist separation device to gasify cyclohexanone-oxime which is not completely gasified in a cyclohexanone-oxime evaporation and gasification system; (3) feeding the material flow obtained in the step (2) into a fluidized bed reaction system and a moving bed reaction system in sequence for gas-phase Beckmann rearrangementreaction; and (4) recovering ethanol and carrier gas in the material flow obtained in the step (3). By adopting the device and the method, the high conversion rate of cyclohexanone-oxime can be obtained, the problem of catalyst discharge is avoided, and the production is not interrupted.

The invention relates to a process for delaying coking and in particular relates to a process device for treatment of salt coagulation of a fractionating column top circulation system. The technical key points are as follows: a top cycle oil series diesel pipeline is further arranged on a connecting pipeline between a fractionating column top reflux air cooler and a first column tray to a diesel and gasoline hydrogenation device and a top cycle oil series diesel regulating valve and a top cycle oil series diesel flowmeter are connected on the top cycle oil series diesel pipeline in series. The process device provided by the invention can break the balance of circulation of top circulation in the system, reduce accumulation of salt coagulation and achieve the purpose of preventing column top salt coagulation through the newly increased top cycle oil series diesel regulating valve and the newly increased top cycle oil series diesel flowmeter under the situation of not changing the reflux quantity of top cycle oil and not affecting the fractionating column top temperature.

The invention provides a method for quickly granulating and solidifying natural rubber latex. The invention is characterized in that the method comprises the steps as follows: the natural rubber latex is dropped into an alcoholic solution containing polyvinyl alcohol and calcium ions at room temperature; the latex surface is solidified and is automatically granulated and sedimentated in the alcoholic solution; latex particles are separated; and the separated latex particles are dried. The method can quickly acquire rubber particles with smooth, round and non-adhesive surfaces, has no pollution during the whole production process, and ensures that the production quality meets rubber processing requirements, thereby the method is the latest domestic natural rubber solidification technology.

The invention discloses an anti-blocking powder discharging device and method for low-loose-density metal powder products. The device comprises a decomposer, a middle bin and a produced powder material bin, and the decomposer, the middle bin and the produced powder material bin are sequentially connected from top to bottom; the tops of the middle bin and the produced powder material bin are each provided with an exhausting port; the bottom of the middle bin is provided with a discharging valve; the device further comprises a decomposed gas dust remover, a disinfecting replacement gas dust remover and a dust collecting powder material bin; an inlet of the decomposed gas dust remover is connected with the exhausting port of the middle bin and the exhausting port of the produced powder material bin through pipelines; the top of the dust collecting powder material bin is provided with a dust collecting port and a disinfecting port; an inlet of the disinfecting replacement gas dust remover is connected with the exhausting port of the produced powder material bin and the disinfecting port through pipelines; and the dust collecting port is connected with an outlet of the decomposed gas dust remover and an outlet of the disinfecting replacement gas dust remover through pipelines. The device and method are good in powder discharging smoothness and high in powder product quality.

The invention relates to the technical field of film tearing machines, in particular to an automatic film tearing machine. The automatic film tearing machine comprises an air blowing mechanism, a waste suction pipe, a hot pressing mechanism, an automatic feeding mechanism, an automatic discharging mechanism, a fixing mechanism and a machine frame, the air blowing mechanism, the hot pressing mechanism and the waste suction pipe are arranged on the fixing mechanism in a sleeving mode through fixing plates, the air blowing mechanism is located on one side of the hot pressing mechanism, the waste suction pipe is located on one side of the air blowing mechanism, the automatic feeding mechanism is arranged on one side of the machine frame, and the automatic discharging mechanism is arranged on the other side of the machine frame. According to the film tearing machine, the air blowing mechanism, the waste suction pipe and the hot pressing mechanism are arranged on the machine frame and matched with one another for film tearing, the product quality is not affected due to the fact that products are not in contact, the film tearing machine can achieve automatic feeding and discharging due to the arrangement of the automatic feeding mechanism and the automatic discharging mechanism, the film tearing machine can work automatically after the automatic feeding mechanism is full of label paper, and the film tearing machine automatically works in the whole process, does not need manual operation, and is high in working efficiency, simple and clear to operate and stable in running performance.