46results about How to "Thorough decontamination" patented technology

The invention discloses a novel technique for extracting L-tryptophan from fermentation broth, which includes the following steps that: fermentation broth is pretreated, and the treated liquid is pumped into a ceramic microfiltration membrane filter, so that tryptophan microfiltrate without mycelium and mycoprotein are obtained; the tryptophan microfiltrate is pumped into an ultrafiltration membrane filter, so that tryptophan ultrafiltrate and concentrated liquid containing pigment and protein are obtained; the tryptophan ultrafiltrate is pumped into a nanofiltration membrane filter, so that concentrated tryptophan liquid and permeate containing salt are obtained; waste filtrate is comprehensively utilized to produce protein feed; industrial ethylic acid is used for promoting low-temperature crystallization, crystallization mother liquid is treated by the ion exchange method and used, and after crystals are centrifugally dehydrated and dried, the L-tryptophan product is obtained. The invention solves the problem on how to recover industrial ethylic acid, and greatly increases the extraction rate of L-tryptophan; and since the filtrate and the mycoprotein are comprehensively utilized, the product profit is maximized. The total extraction rate of L-tryptophan is 85.2 percent, and the refined product meets the standards of Chinese Pharmacopoeia edition 2005.

The invention relates to the technical field of permanent magnets and particularly relates to a machining method of a neodymium-iron-boron permanent magnet. The machining method comprises the following steps: A, preparing materials; B, stacking: stacking and binding the raw materials prepared by the step A into an asbestos board to obtain a bound material block; C, cutting: cutting off end part marginal materials of the bound material block obtained by the step B in one step and cutting according to product size requirements to obtain a semi-finished-product material block and a residual material block; D, boiling into powder: putting the semi-finished-product material block obtained by the step C into a boiling solution added with an additive to be boiled into powder, boiling the semi-finished-product material block into powder and dispersing to obtain a rough magnet block; E, controlling the size and carrying out chamfering treatment: putting the rough magnet block obtained by the step D into a polishing machine to be polished; and F, electroplating and magnetizing: carrying out electroplating treatment on the rough magnet block obtained by the step E and carrying out magnetizing treatment on the rough magnet block after the electroplating treatment is finished to obtain a finished-product magnet. The machining method has a simple preparation process, high production efficiency and excellent and lasting corrosion resistance.

The invention provides a purifying method adopted by an isolating, disinfecting and purifying device for paroxysmal disease bacteria. The isolating, disinfecting and purifying device comprises a shell and an atomizing spray system arranged in the shell, wherein a disinfectant fluid storage tank is arranged on the top of the shell, the atomizing spray system comprises a high-pressure atomizer arranged on the bottom of the shell and atomizing spray heads arranged on the side walls and the top of the shell, a high-pressure delivery pipe assembly is arranged in the side walls and the top wall of the shell, a liquid outlet of the disinfectant fluid storage tank is connected with a liquid inlet of the high-pressure atomizer, a liquid outlet of the high-pressure atomizer is connected with the high-pressure delivery pipe assembly, and the atomizing spray heads are arranged on the high-pressure delivery pipe assembly. According to the device and the method, the disinfectant fluid is atomized through the atomizing spray system, and injected to the work staff coming out of an infection area and wearing a totally-closed protection suit from the atomizing spray heads at high pressure, then omnibearing and high-intensity atomization purification and disinfection are realized, the purification and disinfection are complete, the work staff after taking off the totally-closed protection suit is protected from being infected, and therefore, the safety is improved.

The invention discloses whitening and moisturizing cleanser containing flos magnoliae extract and a preparing method thereof. The whitening and moisturizing cleanser is prepared from A components, B components, a C component, D components and E components, wherein the A components include, by weight, 15-50 parts of deionized water, 1-10 parts of strong base, 10-30 parts of humectant and 0.01-0.1 part of chelating agent; the B components include, by weight, 0.5-5 parts of emulsifying agent, 0.1-5 parts of pearling agent and 15-40 parts of fatty acid; the C component includes, by weight, 15-30 parts of surfactant; the D components include, by weight, 0.1-5 parts of skin-feeling conditioning agent and 1-5 parts of deionized water; the E components include, by weight, 0.1-0.5 part of p-hydroxyphenyl ethyl ketone, 0.5-5 parts of emollient, 0.01-2 parts of dendrobium candidum extract, 0.01-0.5 part of alpine plant extract and 0.01-0.5 part of the flos magnoliae extract. The whitening and moisturizing cleanser containing the flos magnoliae extract is good in whitening and moisturizing effect, convenient to make and use, safe, free of side effect and free of stimulation and harm to the skin, and is suitable for various skin types.

The invention discloses a high-efficiency cleansing paste and a preparation method thereof. The high-efficiency cleansing paste comprises the following raw materials by weight percentage: 5-20% of ananionic surfactant, 2-10% of a nonionic surfactant, 0-10% of an amphoteric surfactant, 3-20% of an abrasive, 1-8% of sodium alginate, 1-4% of glycerin, 0.1-2% of a chelating agent, 0.2-1% of a preservative, 0-1% of an antibacterial agent and the balance of pure water. The cleansing paste is a water-based paste, and the paste is uniform and fine, has relatively good stability, and is safe to use and easy to carry; the cleansing paste has the functions of decontamination through friction, has the function of adsorbing, carrying and wrapping dirt, has relatively good functions of dissolving and emulsifying oil stain or dust, is capable of removing dirt through solubilization action, is strong in decontamination ability, has relatively wide application range, can be used for cleaning hard surfaces of stainless steel products, stone, ceramic tiles, furniture and the like, and can also be used for cleaning leather goods.

The invention relates to a full-automatic production method for graphite electrode antioxidation treatment by using antioxidant liquid. The production method comprises the following steps: step 1, placing a plurality of transport devices in the feeding area of a transport track in sequence for waiting for feeding; step 2, feeding a plurality of graphite electrodes into the transport devices by a feeding device; step 3, transporting the graphite electrodes into a jet dust removal device for jet dust removal treatment by the transport devices; step 4, transporting the graphite electrodes subjected to jet dust removal into a spray coating device to be sprayed with the antioxidant liquid by the transport devices; step 5, transporting the graphite electrodes subjected to the antioxidant liquid spraying treatment into a drying device for heating and drying treatment by the transport devices; step 6, transporting the dried graphite electrodes into a packaging area for packaging by the transport devices. The method involved in the invention has the advantages that the degree of automation is high, the production efficiency is high, decontamination treatment on graphite electrode surfaces is thorough, coating adhesion is firm, the consumption of the graphite electrodes can be effectively reduced, and the service life of the electrodes is prolonged.

The invention provides a cold rolling unit bearing pedestal disassembly-free cleaning device and cleaning method and application. The device comprises an ultrasonic generator and a closed flushing tank matched with the ultrasonic generator, a high-frequency pulse oscillation generator is arranged in the closed flushing tank, a bearing pedestal to be cleaned is placed in the closed flushing tank, an ultrasonic cleaning container is formed in an inner cavity of the bearing pedestal to be cleaned, a lubricating liquid inlet channel and a lubricating liquid outlet channel of a lubricating system of the bearing pedestal to be cleaned form a cleaning liquid inlet and a cleaning liquid outlet of the ultrasonic cleaning container correspondingly, the cleaning liquid inlet is connected with a cleaning liquid storage container through a multi-stage centrifugal pump, the cleaning liquid outlet is connected with the cleaning liquid storage container through a cleaning liquid return pipeline, and ashaft body of the bearing pedestal to be cleaned is connected with a centrifugal driving rotating shaft.

The invention relates to the field of daily chemical products, in particular to an oil-control facial cleanser, which is made of the following raw materials in parts by weight: 20-30 parts of cherry extract, 5-12 parts of isopropyl palmitate, and 5-12 parts of sunflower seed extract 1-6 parts of grape seed extract, 1-3 parts of soybean lecithin, 5-10 parts of beeswax, 2-6 parts of hydrolyzed soybean protein, 1-3 parts of preservative, 3-6 parts of wetting agent, 25 parts of water ‑35 servings. The facial cleanser provided by the invention can thoroughly decontaminate while preventing moisture loss from the skin. After washing, the skin is not tight, effectively protects the surface tissue of the skin, and prevents damage from promoting oil secretion and accumulation on the surface. This product does not damage the skin, has no toxic and side effects, is safe and reliable, and is suitable for a wide range of people.

The invention discloses a low temperature refrigeration system provided with an adsorption device and used for cooling a space probe. The low temperature refrigeration system comprises a compressor, atransmission tube, an air reservoir, an inertial tube, a hot end heat exchanger, a regenerator, a vessel, a cold end heat exchanger and the adsorption device. The adsorption device is installed around the cold end heat exchanger in the radial direction, the cold trap effect of the cold end heat exchanger is used for adsorbing gas molecules in the vacuum environment, and the adsorption device plays a role in maintaining the cleanliness of the working environment of the space probe while providing the low-temperature environment required by the space probe. Compared with a traditional heating decontamination mode, the low temperature refrigeration system is higher in decontamination capability, more thorough in decontamination, energy-saving and simple in equipment structure, and is suitable for space refrigeration systems with different low-temperature refrigerators, can well meet the requirements of the space probe for environmental temperature and environmental cleanliness, and guarantees long-term stable operation under the condition of high performance.

The invention discloses an oil controlling and hair blacking shampoo. The oil controlling and hair blacking shampoo is prepared from, by mass, 10-14 parts of saponin, 5-9 parts of tea-oil tree fruit dregs, 12-16 parts of radix polygni multiflori, 7-9 parts of cassia twig, 12-14 parts of radix aucklandiae, 4-6 parts of radix rehmanniae preparata, 6-8 parts of trisodium citrate, 5-6 parts of lauric acid, 8-10 parts of propylene glycol, 5-8 parts of ethylene glycol distearate, 4-6 parts of essence, 2-3 parts of sodium citrate, 3-4 parts of eucalyptus oil, 4-7 parts of chitosan, 5-7 parts of sodium dodecyl benzene sulfonate, 3-7 parts of coconut monoethanol amide and 25-30 parts of deionized water. The shampoo has a good oil control effect, is environmentally friendly and free of irrigation, has a fresh aroma, and can black and nourish hair, remove dirt completely, not damage hair, and prevent hair loss.

The invention relates to a cleaning agent of which the formula basically comprises the following components in percentage by weight: 20-30% of nonylphenol polyethenoxy ether, 10-20% of tetrachloroethylene, 30-40% of dichloromethane and 15-25% of kerosene. Compared with the prior art, the cleaning agent adopts the formula comprising the components of nonylphenol polyethenoxy ether, tetrachloroethylene, dichloromethane and kerosene, and has the following advantages: the cleaning agent has powerful solubility and can quickly dissolve oil stain of carbon, vegetable oil and petroleum products, so that the stain can be erased by gently wiping with cloth or washed away by washing with water, thereby achieving the effects of high stain removal speed and complete and thorough stain removal; and the cleaning agent only powerfully dissolves the stain and is non-corrosive to a metal part, thereby avoiding the chemical reaction with metal materials. Thus, the cleaning agent is a product which is safe to use and good in cleaning effect.

The invention discloses a sterilizing facial cleanser. The sterilizing facial cleanser is prepared from the following raw materials in percentage by weight: 20-40 % of nanometer collagen, 5-15 % of amino acid, 10-20 % of glycerol, 30-50 % of deionized water, and 10-20 % of a traditional Chinese medicinal additive; the sterilizing facial cleanser is prepared through squeezing, decocting, mixing andthe like. The traditional Chinese medicinal additive is prepared from the following raw materials in parts by weight: 10-20 parts of fresh herba houttuyniae, 8-16 parts of radix et caulis opuntiaedillenii, 4-8 parts of fresh mint leaves, 10-14 parts of fructus gardeniae, 8-16 parts of radix bupleuri, 4-8 parts of cortex cereis, 6-12 parts of edible tulip bulb, 6-18 parts of herba centellae, 10-12parts of herba pentanematis indici, 9-15 parts of herba canscorae lucidissimae, and 3-9 parts of radix asparagi. The facial cleanser prepared by adopting the method can completely remove dirt, is mild without irritation, is good in oil-controlling and moisture-preserving properties, enables the skin to be compact and elastic, and also has the effects of sterilization and disinfection, and after the sterilizing facial cleanser is often used, the skin is enabled to be smooth, fine, rosy and glossy.

The invention relates to the field of organic chemistry and particularly discloses a fabric cleaning care solution which comprises the following components in percentage by mass: 1-3% of polyvinyl alcohol, 2-5% of ethoxylated sodium alkyl sulfate, 11-22% of surfactant, 1-2% of antioxidant, 3-5% of essence and the balance of water. The fabric cleaning care solution provided by the invention has the advantages of low cost, low foam, strong cleaning power and no staining.

The invention relates to an anti-oxidation liquid full-automatic production system for graphite electrode anti-oxidation treatment. The system comprises a conveying track, the conveying track is sequentially divided into a discharging area, a gas jet dust removal area, a liquid spraying area, a drying area and a packaging area from front to back, the discharging area, the gas jet dust removal area, the liquid spraying area, the drying area and the packaging area are correspondingly provided with a discharging device, a jet dust removal device, a spraying and liquid feeding device, a drying device and a packaging device, and the conveying track is provided with a plurality of conveying devices; and the conveying devices are used for sequentially conveying graphite electrodes in the discharging device into the jet dust removal device, the spraying and liquid feeding device and the drying device in batches for jet dust removal treatment, liquid spraying treatment and drying treatment; and finally the graphite electrodes are packaged in batches through the packaging device. The anti-oxidation liquid full-automatic production system has the advantages of the high automation degree and the high production efficiency; and surface dirt removing treatment of the graphite electrodes is complete, coatings are firmly adhered, consumption of the graphite electrodes can be effectively reduced, and the service life of the electrodes is prolonged.

The invention belongs to the technical field of textile fabrics, and provides an environment-friendly fabric, which comprises a fabric base cloth layer (1), and is characterized in that surface clothlayers (2) are arranged at the upper part and the lower part of the fabric base cloth layer (1), nano copper ion antibacterial fabric layers (3) are arranged on the surface cloth layers (2), pile loopmechanisms are arranged on the nano copper ion antibacterial fabric layers (3), and the pile loop mechanism comprises a linear pile loop (4) and an annular pile loop (5). The fabric is made of 100% viscose fibers, the viscose fibers are cellulosic fibers obtained by taking wood as a raw material and extracting and remolding fiber molecules from natural wood fibers, have the nature of cotton and the quality of silk, are authentic plant fibers, can be completely degraded to protect the environment, and are extremely good in water absorption and softer in hand feeling.