Solvent cleans a technology

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Solvent cleans an agent to be volatile organic compound normally, it is the optimal medium of contaminant of purify blame polarity, the contaminant such as grease of can effective purify, engine oil and olefin. Wash besides Shui Jiqing beyond, clean in industrial spare parts at present in the method with another kind of very wide application is use dissolvent is wet and chemical clean, abbreviation dissolvent is cleaned. Shui Jiqing lotion can be very effective contaminant of ground purify polarity, if water radical cooling fluid, lubricating fluid, polish creams, additive and salt kind wait for; and solvent clear lotion is volatile organic compound normally, it is the optimal medium of contaminant of purify blame polarity, the contaminant such as grease of can effective purify, engine oil and olefin. Volatile organic compound (VOC) volatile organic compound (VOC) is the organic compound that has taller vapour pressure below normal and baric condition, in can evaporate quickly and entering atmosphere. A lot of hydrocarbons carry pair of oil namely kind the organic compound that undertake fractional distillation and produces, we pass the fractional processing of a certain number of measure to crude oil in refinery, can obtain an a variety of needed hydrocarbons, as fuel and other business product. Clean in industry at present in basically use 3 kinds of dissolvent clear lotion: Hydrocarbon, chloridize hydrocarbon, oxidation hydrocarbon. In modern spare parts treatment, exactly the amount charges car, mill, grind, punching and quench in the process, use oil increasingly kind auxiliary material. Accordingly these spare partses often are met by all sorts of much oil kind place pollution. But in a lot of delicate downstream treatment processes, like PVD coating (coating of deposit of physical gas phase) , CVD coating (coating of deposit of chemical gas phase) , spray paint, stick receive, solder of soft soldering, copper and fusion welding, to assure to machine quality, have very high demand to machining exterior cleanness to spend, some still asks whole must be the spare parts that does not have oil. Below this kind of condition, solvent is cleaned wash than Shui Jiqing have clearer advantage, not only the appearance is better except oily effect, and the life that clear lotion uses is longer, the procedure of clear lotion reconditioning is more simple also. In cleaning a process, cannot dissolve the grain shape impurity in solvent and drossy also can follow smeary a purify, won't leave sluggish to be in of the spare parts apparently. (Graph 1) pursues 1 outfit still appeared now in the stamping workpiece in spare parts basket a few new-style polarity dissolvent, this kind of dissolvent is integrated Shui Jiqing lotion and solvent clear lotion the advantage of two respects, among them modified alcohol applies relatively extensive new-style polarity dissolvent namely. As a result of integrated oil and water the character of two kinds of medium, so can one-time purify is not this kind of clear lotion polarity contaminant (wait like grease, engine oil) with polarity contaminant (like emulsion and salt kind wait for) . This kind of dissolvent had gotten extensive self-identity in Europe, but had not used generally in the Asia. The rinsing equipment that Dewar Ecoclean company produces can be used already all sorts of clean medium commonly, also can the requirement of the need according to the user or international generalization, use new-style polarity dissolvent. Close model solvent cleans a system generally speaking, close model solvent cleans a system to have the following advantage: The first-rate function that remove oil, the appearance of contaminative; spare parts that can handle very serious engine oil and grease is not had clean hangover; to be able to clean different material with a kind of dissolvent, be like: The methodological economy that the; such as stainless steel, common steel, aluminium can use distillation handles clear lotion efficiently, energy-saving effect good;nextpage uses the wastage; that reduces clear lotion dry method can be opposite vacuum spare parts, include the part with complex form, undertake fast and dry; need not configure clean device, the requirement; that also handles without liquid waste washs groove and the control equipment; that clean medium to corrode a problem without complex and costly Qing Dynasty small. Close model chloridize hydrocarbon (although the technology is innovating ceaselessly,CHC) cleans a technology, new clear lotion also appears ceaselessly, but at present industrial spare parts is cleaned and defatted a lot of medium problems, still need to use chloridize hydrocarbon ability to get be settlemented best. Such typical product includes the part of equipment of telescope, medical treatment. But when use chloridize hydrocarbon, must make sure the chroma of the dissolvent in every stere air inside yard place wants to be less than 1g, and the structure that cleans a system to must use closed circuit formula. To achieve the result of closed circuit type, traditional close partly model the system uses condenser and the adsorptive device from the back to absorb solvent gas in great quantities, reduce the degree of saturation of solvent gas in adsorptive device through activated carbon module. But activated carbon module must undertake according to using a case desorption is handled regularly, this process should consume a few hours commonly, the system is cleaned to need to stop to clean during this, unless deployed the desorption of collateral job,handle installation. But on one hand the capital with such plant taller need is devoted, on the other hand, what desorption processing needs heat and cooling process bad news can be very big, can raise operation cost. In addition, another defect of this kind of craft is solvent load overweight, need uses stabilizing agent. If use new-style tolerance replacement (PAVD) cleans a system, so the circumstance differred completely (graph 2) . Below the condition that the park of dissolvent of chloridize of this kind of system general that Dewar Ecoclean company develops closes completely, won't produce waste gas. Both neither needs to reduce degree of saturation through adsorptive device, also do not need to undertake corresponding desorption was handled. What this kind of patent product of Dewar Ecoclean company uses is really airborne low degree of saturation is amiable the principle of system capacity displacement. When working antrum platoon is empty, the solvent chroma in cleaning the area that pollutes a spare parts so can reduce the concentration that 1g is less than in every stere air, under ultimate amount of the regulation. Pass aeriform capacity displacement, unsaturated, but before the gas that still contains solvent is opening working antrum, can form vapour lock. When working antrum new to load and when the level that reachs regular job, the air that contains solvent can enter recycle automatically. This kind of advanced work skill makes solvent pollution falls very low, the wastage of stabilizing agent also can decrease subsequently. At present system of this kind of PAVD has applied in the special device of a lot of users, this system still has a lot of optional functions, can satisfy the requirement that industrial spare parts cleans all sorts of medium differring not only, achieve first-rate to clean the effect, and can ensure to solvent gas is not contained in the air in blame pollution area. The place on put together is narrated, use this kind of advanced chloridize dissolvent to clean a technology to be able to be below tutelar body health and the premise with safe environment have production continuously, OK and managing much investment and manufacturing cost. Graph the 81S of 2 Dewar Ecoclean companies is general-purpose cleaning machine, this product used technology of patent of aeriform capacity displacement in addition, dewar Ecoclean company develops S-machine technology applicable cleans a process at multistage, include ultrasonic to clean, full, vapour is defatted with vacuum dry etc, can contented industry cleans all sorts of demand inside the domain. Blame chloridize hydrocarbon (HC) cleans a technology to use enclosed design, hydrocarbon of use blame chloridize undertakes defatted and clean metallic spare parts, not only performance is superior, and energy-saving environmental protection. The purpose that develops this technology at first is to replace chloridize hydrocarbon (CHC) cleans a technology. Dewar Ecoclean company uses development of this kind of technology to go out to divide oil advancedly to clean the system that cleans with nicety, at present the whole world already had many 800 this kind of equipment. It is especially in the production of fuel jet unit and plane, had used this kind of a lot of device. The hydrocarbon that Dewar Ecoclean company produces cleans a system to clean the effect not only outstanding, and can adjacent below vacuum condition 0 discharge. To assure working security to the greastest extent, whole cleaning a process undertake below the vacuum condition of 100mbar(1bar=105Pa) . These clean a system to be able to be used at ultrasonic to clean, full, vapour is defatted clean a process with the multistage such as vacuum drying. The design concept with these main products is to be in enclosed undertake cleaning mixing in working antrum stoving, use heat to reclaim at the same time the technology is used up with what reduce medium with managing the sources of energy. The product is used modular structure, can get used to different particular job conveniently. The product is unified used efficient distillation technology, have longer service life and consistent quality property with assuring to clean medium. In addition, all products of Dewar Ecoclean company all use the pipeline system of stainless steel. Be not another when chloridize hydrocarbon cleans main good point is the protective processing that implements pair of parts in successive manufacturing process. After the spare parts undertakes cleaning, can use hydrocarbon and the mixture that protect oil to undertake handling. The user that this kind of effective protection technology needs part of the shipment outside Xiang Hai for those and hope store for a long time the user of the spare parts was offerred convenient. CNC Milling