Product name: Three-way catalytic converter
The three-way catalytic converter is also called "catalytic converter", which is the main component of purifying the pollutants emitted by the automobile engine. Its structure from the outside to the inside are the shell, the liner and the carrier. The shell mainly plays the role of protecting the core. The liner mainly plays the role of fixing the carrier, buffering and heat insulation, and a good liner can effectively protect the carrier. The core of the three-way catalytic converter is the carrier, which is usually a honeycombed ceramic cylinder, and the carrier is coated with a precious metal catalyst (platinum, rhodium, palladium, etc.), and the exhaust gas passes through this small hole to achieve catalytic conversion.
Installation Instructions
Why replace the three-way catalytic converter?
1. Excessive temperature
At room temperature, the three-way catalytic converter does not have the catalytic ability, the catalyst must be heated to a certain temperature to have the ability of oxidation or reduction, usually, the catalytic converter ignition temperature is 250-350 ° C, the normal working temperature is generally 400-800 ° C. When the catalytic converter works, the higher the amount of self, the higher the oxidation temperature, when the temperature exceeds 1000 ° C, the catalyst of its inner coating will be sintered and necrotic, and it is also easy to occur vehicle spontaneous combustion accidents. Therefore, we must pay attention to the control of various factors that cause the exhaust temperature to rise, such as too late ignition time or ignition sequence disorder, fire break, etc., which will make the unburned mixture into the catalytic reactor, resulting in too high exhaust temperature, affecting the efficiency of the catalytic converter.
2. Chronic poisoning
Catalyst is very sensitive to sulfur, lead, phosphorus, zinc and other elements, sulfur and lead from gasoline, phosphorus and zinc from lubricating oil, these four substances and their combustion in the engine after the formation of oxide particles are easy to be adsorbed on the surface of the catalyst, so that the catalyst can not contact with the exhaust gas, thus losing the catalytic effect, the so-called "poisoning" phenomenon.
3. Surface area carbon
When the car works at a low temperature for a long time, the three-way catalytic converter cannot be started, the carbon smoke from the engine will adhere to the surface of the catalyst, resulting in no contact with CO and HC, and in the long run, the pores of the carrier will be blocked, affecting its conversion efficiency
4. Exhaust deterioration
The catalytic converter has a certain limit on the conversion capacity of pollutants, so the original exhaust must be minimized by in-machine purification technology. If the concentration and total amount of the components of the discharged waste gas pollutants are too large, such as the mixture is too strong, it will affect the catalytic conversion ability of the catalytic converter and reduce its conversion efficiency. In addition, due to the large amount of HC and CO in the exhaust gas into the catalytic reactor, there will be excessive oxidation reaction in it, and a large amount of heat generated by the oxidation reaction will make the catalytic reactor too high temperature and damage.
DeZhou FuJiYa Auto Parts Technology Co.,Ltd. is a wholly-owned private enterprise management , our quality of survival , to the credibility of development through operational excellence and hard pioneer enterprise decision-makers Foggia people , now it has fixed assets of about 30000000 yuan , more than 300 employees , covers an area of 36 thousand square meters of private enterprises .
The factory with strong capital strength , advanced production technology , to ensure the quality of the product , and successively developed light , heavy , micro , domestic and foreign car muffler three series , hundreds of specifications of the product . And the annual production scale of about 800000 mufflers has been formed , and its products are exported to 10 countries and regions , such as Canada , Australia , Britain , the United States and so on.
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