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关于叉车发动机积碳的清除方法

来源:/ 日期:2018-09-17 发布人:admin

方法一•●、叉车机械法:是采用钢丝刷•●、刮刀•●、竹片或砂布来清除积炭的方法?砂凑樟慵逑床课坏男巫醋龀勺ㄓ盟⒆雍凸蔚叮喝缍耘缬推髋缈字芪У幕,可用细铜丝刷刷净;对压力室的积炭可用铜丝做成的专用通针插入以刮净;对气门导管•●、气门座的积炭,可用圆柱形金属刷来清除。

Methods 1. Forklift mechanical method: Wire brush, scraper, bamboo or abrasive cloth to remove the coke method. It can be made into special brushes and scrapers according to the shape of parts cleaning parts: for example, the coke deposited around the nozzle hole of the injector can be brushed with thin copper wire; for the coke deposited in the pressure chamber, a special through needle made of copper wire can be inserted to scrape off; for the coke deposited in the valve duct and valve seat, a cylindrical metal brush can be used to remove it.
机械法清除积炭工效低•●、清除质量差,有些部位难以刮除干净,还会留下许多细小划痕,成为新积炭的生长点,增大了零件的粗糙度。因此,对精度高的零件一般不宜采用此法。
The mechanical method is inefficient in removing coke deposit, poor in quality, difficult to scrape some parts clean, but also leave many small scratches, become the growth point of new coke deposit, increased the roughness of parts. Therefore, this method is not suitable for parts with high accuracy.
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方法二•●、喷核法:是利用高速气流将粉碎的核桃•●、桃•●、杏的桃壳颗粒喷向零件表面以去除积炭的方法。此法除积炭的效率高•●、彻底干净,但需要有形成高速气流的专用设备,成本相对较高,因此也不宜广泛采用。
Method 2. Spraying core method: The peach shell particles of walnut, peach and apricot were sprayed onto the surface of parts by high-speed airflow to remove the coke deposit. This method is efficient and thoroughly clean for removing coke deposit, but it needs special equipment to form high-speed airflow, and the cost is relatively high. Therefore, it is not suitable to be widely used.
方法三•●、化学法:是使用一种化学溶剂——退炭剂将零件表面的积炭软化,使其失去与金属结合的能力,然后将软化的积炭除去的方法。此法除积炭的效率高•●、效果好,不易损环零件表面。退炭剂一般由积炭溶剂•●、稀释剂•●、缓成释剂和活性剂4种成分组成。退炭剂的种类较多,按金属零件材质的不同可分为钢件退炭剂和铝件退炭剂,上些退炭剂中含有对铝制品起化学腐蚀作用的成分(如苛性钠),所以只适用于钢件退炭。
Method 3. Chemical method: It uses a chemical solvent - decarbonizer to soften the coke deposit on the surface of the parts, making it lose the ability to combine with metal, and then remove the soft coke. This method has high efficiency and good effect except carbon deposition, and it is not easy to damage the surface of ring parts. Carbon removal agents are generally composed of 4 components: carbon deposition solvent, diluent, slow release agent and active agent. There are many kinds of decarburizers, which can be divided into steel decarburizers and aluminum decarburizers according to the different materials of metal parts. Some decarburizers contain chemical corrosion components (such as caustic soda), so they are only suitable for steel parts decarburization.
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