Oil tank wax scraper (floating roof oil tank, heavy hammer wax scraper EGL)
2012-02-23 14:35
Oil tank wax scraper (floating roof oil tank, heavy hammer wax scraper EGL)
Relevant technical requirements and acceptance criteria:
1. The wax scraper should be close to the tank wall, and the maximum local gap should not exceed 5mm
2. The wax scraping plates are basically on the same contour line and flush
3. The gap between the wax scraping plates should be between 20 and 30 mm
4. The pins of all moving parts should move freely without any jamming.
5. The pressure of the wax scraper on the tank wall is not less than 380N/extended meter
6. The installation complies with GBJ128-90 "Construction and Acceptance Specifications for Vertical Cylindrical Steel Welded Oil Storage Tanks"
The heavy hammer type wax scraping mechanism is composed of many independent structures connected together. The heavy hammer generates pressure on the tank wall through the hinged rod. It has a simple structure, low cost, easy installation, short construction period and reliable operation. It overcomes the shortcomings of the previous spring type wax scraping mechanism.
Insufficient, due to spring fatigue failure, or even falling off, damage the rubber sealing belt and cause the "chuck" phenomenon.
The fixed plate of the heavy hammer type wax scraping mechanism provides a support for the wax scraping mechanism. It is welded to the bottom plate of the floating tank and limits the gap between the floating plate and the tank wall. The wax scraping plate is made of stainless steel and is close to the two 45° slopes of the tank wall to make the wax scraping
It is very effective. The wax scraper is in working condition when the floating plate goes up or down.
If the gap between the tank wall and the floating plate changes, the weight will automatically move up or down to adjust automatically so that the working surface of the wax scraper is close to the tank wall. If there is a small protrusion on the tank wall, the weight will automatically move up to make the wax scraper work smoothly.
Overcome obstacles and don't get stuck.
The wax scraping structure has a mechanism, and the elliptical hole on the wax scraping plate can automatically adjust the angle of the wax scraping plate so that the two working surfaces of the wax scraping plate are in close contact with the tank wall at any time.
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