38results about How to "Low cleaning temperature" patented technology

The invention relates to a nanometer wax-removal degreasing cleaning agent and a preparation method thereof and relates to cleaning agents. The nanometer wax-removal degreasing cleaning agent is prepared from the following raw materials in mass ratio: 20-30 of detergent, 5-10 of a builder, 3-6 of an emulsifier, 6-12 of a penetrating agent, 5-10 of a metal corrosion inhibitor, 3-6 of a wax-removal surfactant, 0.5-1.0 of a metal chelating agent, 0.05-0.1 of nanometer silicon oxide and 24-58 of deionized water. The preparation method comprises the following steps of (1) adding the metal chelating agent in deionized water to obtain an aqueous solution of the metal chelating agent; and 2) adding the emulsifier, the metal corrosion inhibitor and the nanometer silicon oxide into a reactor, adding deionized water and the detergent, adding the penetrating agent, the wax-removal surfactant and nanometer silicon oxide, stirring and adding the aqueous solution of the metal chelating agent obtained in the step (1), supplementing the residual deionized water and further stirring to obtain the nanometer wax-removal degreasing cleaning agent. The cleaning agent has the advantages of high wax-removal and degreasing speeds, long application period, good cleaning effect and environmental friendliness.

The invention discloses a cleaning agent for a ceramic membrane for oilfield produced water, and overcomes the deficiency that the ceramic membrane for the oilfield produced water does not have an effective cleaning method and an effective cleaning formula. The cleaning agent comprises a component A, a component B and a component C, wherein effective constituents of the component A are sodium hydroxide and sodium alkyl benzene sulfonate; effective constituents of the component B are sodium hydroxide, sodium alkyl benzene sulfonate, ethylene diamine tetraacetic acid sodium salt, triethanol amine and sodium tripolyphosphate; and effective constituents of the component C are sodium hydroxide, sodium alkyl benzene sulfonate and hydrogen peroxide. The cleaning agent aiming at characteristics of the oilfield produced water has the advantages that dirt on the surface of the membrane and in membrane holes can be removed rapidly and efficiently, the cleaning frequency of the membrane is reduced, the cleaning temperature and the cleaning time are greatly reduced, the permeation flux of the ceramic membrane is recovered rapidly and efficiently, and the regeneration of a system is accelerated.

The invention relates to a chemical for cleaning a boiler, and belongs to the technical field of the chemical cleaning of equipment. The chemical comprises a corrosion-inhibiting acid-washing agent, a bleaching agent and a passivant, wherein the corrosion-inhibiting acid-washing agent consists of 1,3,5,7-tetraaza-adamantane, ethylenediamine tetracetic acid, hydrochloric acid, phosphoric acid, silicon fluoride, hydrazine hydrate, sodium silicate, cetyl dimethyl benzyl ammonium chloride, ammonium thiocyanate, sodium dodecyl benzene sulfonate and the balance of water; the bleaching agent is citric acid solution; and a passivant consists of ethidene diamine, formaldehyde, diammonium phosphate, hydrogen peroxide, sodium nitrite and the water. The chemical has stable chemical properties, low toxicity, a good sustained-release effect and high scale dissolving capacity, and does not have the damage of sour corrosion to the boiler.

The invention provides a fluoride-free cleaning agent. The fluoride-free cleaning agent is a water-based cleaning agent; the fluoride-free cleaning agent comprises water, an organic solvent and an amine compound, the mass of the organic solvent is 15-85% of the mass of the fluoride-free cleaning agent; the mass of the amine compound is 5-50% of the mass of the fluoride-free cleaning agent; the corrosion inhibitor further comprises one or more of a corrosion inhibitor, an acid and an alcohol compound. Compared with the prior art, the fluoride-free cleaning agent provided by the invention also has better cleaning capacity under the condition of not containing fluorine element through the synergistic effect of the specific amine compound and one or more of the corrosion inhibitor, the acid and the alcohol, and meanwhile, the corrosion of the cleaning agent to metal can be reduced, the damage to a substrate medium is prevented, and the service life of the cleaning agent is prolonged. And the weather resistance of the cleaned wafer is improved. Compared with existing similar products, the fluoride-free cleaning agent provided by the invention has the obvious advantages that the cleaning temperature is reduced, the cleaning time is shortened, the cost performance is higher, and the like.

The invention provides an environment-friendly and multifunctional glass bottle washing agent and a preparation method thereof. The environment-friendly and multifunctional glass bottle washing agentis characterized by being prepared from an anionic surfactant, a non-ionic surfactant, a washing assisting agent, a de-foaming agent, a water treatment agent, fungicide and the like according to a certain ratio, a certain technology and required reaction. The environment-friendly and multifunctional glass bottle washing agent is mainly used for industrially washing beer, beverage and seasoning recycled glass bottles; the environment-friendly and multifunctional glass bottle washing agent has the characteristics of no phosphorus, strong washing capability, capability of finishing sterilizationand disinfection in one step and the like; the environment-friendly and multifunctional glass bottle washing agent does not adopt an organic silicon de-foaming agent, and a condition that the organicsilicon de-foaming agent is decomposed in strong alkali to generate a green viscous object for polluting a bottle body is avoided; the environment-friendly and multifunctional glass bottle washing agent can rapidly permeate through a binding agent and dirt on a glass bottle body under the condition that the temprature is 20 DEG C lower than common washing temperature; the washed bottle has high transparency and the washing agent is not remained in the bottle, so that the consumption of energy sources is greatly reduced.

The invention belongs to the technical field of lubricating oil for metal machining and discloses water-soluble soybean oil. The water-soluble soybean oil is prepared from, by mass, 4%-6% of mixed surfactant and the balance soybean oil. The mixed surfactant is prepared by mixing two kinds of dodecyl polyoxyethylene ether with different HLB values, and the HLB value of the mixed surfactant ranges from 7 to 9. According to the water-soluble soybean oil, the mixed surfactant formed by mixing the two kinds of dodecyl polyoxyethylene ether is added into the common soybean oil, and the water-soluble soybean oil is applied to the manufacturing industry of engines, and can improve cleaning efficiency, decrease cleaning temperature and reduce the use amount of cleaning agents, washing cost and emission pollution.

The invention provides a cathode copper ultrasonic cleaning bath which mainly comprises a stainless steel cleaning bath, ultrasonic shaking plates, a steam coil and an electric control device. The ultrasonic shaking plates are arranged on the four side edges of the stainless steel cleaning bath; a water inlet pipe is arranged on the top of the stainless steel cleaning bath; an overflow gate is arranged on one side plate of the bath; the steam coil is spirally arranged on the bottom of the bath; and the ultrasonic shaking plates are controlled by the electric control device. The cathode copper ultrasonic cleaning bath realizes the effective removal of electrolyte residue and crystals on the surface of cathode copper and in the tiny gaps of the cathode copper, and avoids the copper sulphate crystallization phenomenon caused by the long-time storage of the cathode copper.

The invention discloses a metal surface cleaning agent. The metal surface cleaning agent comprises the following raw materials in parts by weight: 3-5 parts of a defoamer, 5-9 parts of hydrogen peroxide, 20-35 parts of deionized water, 2-4 parts of quartz powder, 5-8 parts of oxalic acid, 1-4 parts of ethyl alcohol, 10-15 parts of animal oleic acid, 3-4 parts of an emulgator, 5-8 parts of ethylene glycol mono-butyl ether, 2-5 parts of calcite powder, 1-3 parts of aluminum hydroxide, 1-2 parts of abietic acid polyoxyethylene ester, 6-8 parts of sodium gluconate, 3-6 parts of hydroxyethyl cellulose, 1-2 parts of ethylene glycol monostearate and 2-3 parts of nonyl phenol polyoxyethylene ether. The invention further discloses a preparation method for the cleaning agent. According to the metal surface cleaning agent, through improvement on a formula and a technology, the cleaning agent has a function of strong descaling; dirt on a metal surface can be effectively removed, so that the metal surface is shiny; cleaning time is short; cleaning temperature is low; the cleaning agent is suitable for different metal material surfaces and metals; besides, harm to a human body is small, and use is safer; and meanwhile, the cleaning agent is more environment-friendly. The metal surface cleaning agent is simple in raw materials, and production cost is lowered.

The invention relates to a washing machine having a suds container (1), a washing drum (2), a water inlet system (8, 9, 10) and a suds discharge system having a suds pump (16), a program control (12), a desalination device (17) for generating desalinated water, and a rinse water store (22), wherein the washing machine comprises a soft water tank (24) connected to the water inlet system (8, 9, 10) by means of the desalination device (17). The invention further relates to a method for treating laundry in such a washing machine.

The invention belongs to the technical field of lubricating oil for metal processing and discloses water-soluble line grinding oil. The water-soluble line grinding oil is prepared from, by mass, 4%-6% of mixed surfactant, and the balance line grinding kerosene. The mixed surfactant is formed by mixing two kinds of dodecyl polyoxyethylene ether with different HLB values. The HLB value of the mixed surfactant ranges from 9 to 11. The mixed surfactant formed by mixing the two kinds of dodecyl polyoxyethylene ether is added to the common line grinding kerosene, when the water-soluble line grinding oil is applied to an engine manufacturing industry, cleaning efficiency can be improved, the cleaning temperature can be reduced, the use level of a cleaning agent can be reduced, the cleaning cost can be reduced, and emission pollution can be reduced.

The invention relates to a purification method of an antioxidant, in particular to an industrial water washing method of an antioxidant 300 crude product. The industrial water washing method of the antioxidant 300 crude product comprises the following steps: firstly, adding No.150 solvent oil and No.200 solvent oil into a reaction still, and adding the antioxidant 300 crude product for dissolving;after the temperature is raised to 40 to 60 DEG C, adding a saturated sodium chloride solution, stirring, layering and separating to obtain an organic phase; secondly, cooling the organic phase to 5to 10 DEG C, filtering and collecting filtrate to obtain an antioxidant 300 product. By adopting the No.150 solvent oil and the No.200 solvent oil as washing solvents, the industrial water washing method of the antioxidant 300 crude product disclosed by the invention has the advantages of low cleaning temperature, good washing effect and suitability for industrialized production; in addition, theindustrial water washing method combines with cooling to remove partial impurities in a filtering mode, so that the washing effect is good and the obtained antioxidant 300 product has high purity.

The invention relates to a method for removing nickel on a chemically nickel-plated surface of a silicon wafer, which belongs to the field of semiconductor silicon wafer production, and the method is characterized by comprising the following steps of: putting a silicon wafer subjected to chemical nickel plating and nickel sintering into mixed acid, and performing cleaning at 46-50 DEG C, the mixed acid being a mixture of a 36-38% hydrochloric acid solution, a 69-71% nitric acid solution and pure water; the mixture of hydrochloric acid, nitric acid and pure water in a specific proportion is used for replacing concentrated nitric acid in the prior art for cleaning chemical nickel plating on the surface of the silicon wafer, the good cleaning effect can be achieved at the temperature of about 48 DEG C, the cleaning time is shortened to 90 s from 120 s in the prior art, the good cleaning effect can be achieved, and the problem of acid mist forming is well solved.