"Manager Guo,"

Zhong Zhuming said: "The temperature in this place is a little higher than in other places. But I still don't understand, how can you judge that there is a problem with the cylinder seal of the oil pump motor of the filter press based on such a slight difference in temperature on the shell? ”

The people around the scene, from Cui Yongjun and Xue Xiaoman, to the engineers of the technical department and equipment department of Crown Ceramics Company, all stretched their necks to look at Guo Yonghe, waiting for him to give an explanation.

"This question is simple and complex."

Guo Yonghe smiled and explained to Zhong Zhuming, "Before analyzing the specific reasons, let's talk about the problem from a big picture. In other words, which direction of the factor caused this automatic filter press to run out of pulp. I think there are so many engineers and equipment maintenance technicians under Mr. Zhong, there should be a number, right? ”

"If we talk about specific directions, we do."

Zhong Zhuming nodded and said: "A ceramic equipment maintenance expert from Taihu who was invited from eastern Guangdong has made an analysis for us, generally speaking, most of the slurry running problems of the automatic filter press are caused by the low working pressure of the hydraulic oil of the filter press.

However, according to the words of the Taihu maintenance expert, there are many factors that cause the low working pressure of the hydraulic oil of the automatic hydraulic filter press.

"For example, the damage or excessive wear of the electromagnetic reversing valve, cylinder seals and axial embolization pumps and other components of the hydraulic press will cause the hydraulic oil working pressure of the filter press to be low; For example, the failure or damage of the electrical contact pressure gauge and the adjustment failure of the pressure switch of the relief valve will also cause an effect similar to the low working pressure of the hydraulic oil, resulting in a small force generated by the piston of the cylinder, resulting in a slurry failure.

"Specifically, which part or which part of the automatic filter press has a problem, it is impossible to judge based on his experience alone, and the entire filter press needs to be disassembled, and one part by one to find and eliminate the problem."

"The Taihu maintenance expert can't be wrong when he says this, in the case of not being able to quickly find and judge the cause of the failure, this stupid method of stubbornness and stupidity can be eliminated one by one, and the problem can be solved in the end."

Guo Yonghe nodded, and asked Zhong Zhuming again: "Mr. Zhong, then why didn't you finally let the Taihu maintenance expert disassemble the filter press and find and eliminate it one by one to solve the problem?" ”

Zhong Zhuming smiled bitterly and said: "The Taihu expert issued a dismantling fee of 50,000 US dollars, and said that after the disassembly, regardless of whether the cause of the fault is found, the 50,000 US dollar dismantling fee must be paid to him." ”

Speaking of this, he explained to Guo Yonghe: "It's not that I'm stingy, the key is this second-hand equipment, Mr. Cui came forward to help us import it from Hong Kong, and the chief engineer only spent 200,000 US dollars." Now, just because of a pulp failure, I have to pay 50,000 US dollars in dismantling labor fees, and there is no guarantee that the cause can be found, how can I be willing to give up? ”

"Really? $50,000 dismantling labor cost, and there is no guarantee to find the cause of the failure? ”

Guo Yonghe couldn't help laughing, looked back at Cui Yongjun, and said, "Mr. Cui, you didn't mention this situation to me at all!" ”

Cui Yongjun secretly scolded Zhong Zhuming in his heart, but he pretended to be confused, scratched his head and said, "Ah? It turns out that Lao Hu didn't mention it to you? I thought he told you, so I didn't tell you again......"

Guo Yonghe smiled.

That's what he actually said, and he wouldn't really bother with Cui Yongjun.

After all, when he promised Hu Changzheng to come over to help Cui Yongjun, his goal was to hope to be able to lease more than a dozen cold heading airports smoothly to go back, and he didn't plan to care about anything else.

"Mr. Zhong, let's continue to talk about our problems!"

Guo Yonghe turned around and said to Zhong Zhuming: "In fact, if the filter press has a problem of running out of pulp, if it is the failure of other parts, it may be a little more troublesome to judge, but if there is a problem with the cylinder seal of the oil pump motor, it is much easier to judge!"

"Because if the cylinder seal fails and the hydraulic oil leaks, then the coefficient of friction where the hydraulic oil leaks will increase, and the temperature in this place will rise significantly compared to the temperature in other places under the reciprocating motion of the cylinder piston.

"Therefore, as long as you feel the temperature of the equipment shell in the corresponding part of the cylinder sealing ring with your hands, there is a significant increase in the temperature of the equipment compared with other parts, and it can basically be determined that the problem of the equipment is the problem of the cylinder sealing of the oil pump motor."

Is that simple?

Cui Yongjun couldn't help but look at Xue Xiaoman with his eyes.

After all, as a full-time ceramic equipment sales engineer in the idle equipment dispensing market, Xue Xiaoman's attainments in ceramic equipment are not low.

But I saw Xue Xiaoman running over and reaching out to touch the shell of the oil pump motor a few times, carefully feeling the difference in temperature, and then jumped up excitedly and said loudly:

"Manager Guo, you are amazing! I didn't think of this test before! ”

Zhong Zhuming frowned and asked Xue Xiaoman:

"Xue Gong, do you really think Manager Guo's method is useful?"

The reason why it is difficult for him to make a direct judgment like Xue Xiaoman is that before the Crown Ceramics Company purchased this imported automatic filter press, it used a primitive manpower filter press to filter ceramic slurry.

That is to say, although the filter press also has a hydraulic filter plate pressing device, in the whole operation process, it is completely relied on manpower to compress the hydraulic filter plate for the purpose of filtering the ceramic slurry in advance. Therefore, the cylinder piston pressure and the reciprocating speed of the piston of the compression device in this old-fashioned manpower filter press are limited by manpower, which is very limited, and there is no way to compare with the automatic filter press of the German Nellich company.

Therefore, although the old manpower filter press often had the problem of oil leakage from the cylinder seal, due to the limited friction and the speed of the piston moving back and forth, there was no rise in the temperature of the shell of the oil leakage part mentioned by Guo Yonghe.

However, the company is now using the automatic filter press imported by Nelly Company is different, not only the pressure of the cylinder piston is large, the speed of reciprocating movement is also extremely fast, in this case, if there is a problem of oil leakage of the oil seal of the oil cylinder, there is indeed a chance of friction heating transmission to the equipment shell.

But all this is theoretical reasoning, and before it has been verified by practice, it is difficult for Zhong Zhuming to judge whether Guo Yonghe's statement is right or wrong, so he can only ask Xue Xiaoman to be educated.

After all, Xue Xiaoman, as a ceramic equipment sales engineer in the idle equipment dispensing market, had been exposed to a large number of advanced ceramic machinery and equipment when he worked in eastern Guangdong before......