If there is a condition for the inspection of the hot oil pump, it is best to read the manufacturer's maintenance manual and the general assembly drawing first to see what special places need attention.

I. When disintegrating:

1. Use a dial indicator to measure the balance plate clearance before disassembling the thrust bearing and make a record;

2. When disassembling the hot oil pump, all parts must be marked according to the original assembly order so as to avoid confusion and mistakes during reassembly.

3. Small parts (such as keys) that are not convenient for marking can be placed together with the impeller or guide vane (middle section) of the same level.

4. When you disassemble, you can intuitively feel if there are abnormal parts, such as with loose.

Two. Parts maintenance:

1. Visually check whether the surface of each part is normal, and each mating surface must be free of bumps, scratches, or rust;

2. Dosage has measured whether the key matching parts tolerances are qualified;

3. The amount of clearance between the impeller seal ring, the housing seal ring, the guide vane seal ring, the interstage sleeve, etc. is within the tolerance range, and if the wear is too great, it needs to be replaced;

4. Check the bearing is in good condition;

5. All seals and seals are best replaced;

Three. Reload:

1. Install the rotor first and perform the dynamic balance test again;

2. Reinstall the parts in the reverse order of dismantling the pump. When reloading, pay attention to the clearance value at each seal ring again to ensure that it is correct;

3. The total rotor volume should be measured before installing the balance plate;

4. After installing the balance disk, measure the rotor half-string amount.

5. The total and semi-string quantities required on the general assembly drawing of the manufacturer shall be basically in accordance with the requirements of the drawings. In general, the half-string size is about half of the total string size.

6. Evenly tighten the main bolts and pay attention to the angle;

7. Suction a dial indicator on the shaft, the rotating shaft to play the balance plate, tolerances according to the requirements of the drawings, generally shall not exceed 0.06;

8. When installing a thrust bearing, attention should be paid to adjusting the clearance of the balance plate. The adjustment ring of the bearing should be used to adjust the balance plate clearance to the drawing requirements.

Conveying Equipment Series

The Conveying Equipment Series is a collection of machines designed to transport materials from one place to another. These machines are used in a variety of industries, including manufacturing, mining, agriculture, and construction. They are essential for moving materials efficiently and quickly, reducing labor costs, and improving productivity.


One of the most common types of conveying equipment is the conveyor belt. This machine consists of a belt that moves continuously, carrying materials from one end to the other. Conveyor belts are used to transport a wide range of materials, including grains, coal, rocks, and chemicals. They are available in different sizes and configurations, depending on the specific needs of the industry.


Another type of conveying equipment is the bucket elevator. This machine consists of a series of buckets attached to a chain or belt. The buckets are used to scoop up materials from one level and transport them to another level. Bucket elevators are commonly used in the agricultural industry to transport grain and other crops.


Screw conveyors are another type of conveying equipment. These machines consist of a rotating screw that moves materials along a trough or tube. Screw conveyors are used to transport bulk materials such as grain, cement, and chemicals. They are commonly used in the food processing industry for transporting ingredients and finished products.


Pneumatic conveying systems are also commonly used in many industries. These systems use air pressure to move materials through pipes or tubes. Pneumatic conveying systems are often used in the chemical industry to transport powders and other materials that are difficult to handle with other types of conveying equipment.


In addition to these types of conveying equipment, there are many other machines available for transporting materials. Some of these include belt conveyors, roller conveyors, vibrating conveyors, and chain conveyors. Each of these machines has its own advantages and disadvantages, depending on the specific needs of the industry.


Overall, the Conveying Equipment Series is an essential collection of machines for many industries. These machines are designed to move materials efficiently and quickly, reducing labor costs and improving productivity. With so many different types of conveying equipment available, it is important for industries to choose the right machine for their specific needs.

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