Gear oil pump maintenance method

When the gear pump drive shaft and the bushing wear, the matching clearance increases, which will affect the pump oil. In this case, the drive shaft or bushing can be used to restore the normal fit clearance. If the drive shaft wears slightly, only the pressure is required. After the old bushing is replaced, the standard size bushing is replaced, and the clearance can be restored to the allowable range. Gear pump
1. Repair of gear oil pump drive shaft and bushing after wear

When the gear pump drive shaft and the bushing wear, the matching clearance increases, which will affect the pump oil. In this case, the drive shaft or bushing can be used to restore the normal fit clearance. If the drive shaft wears slightly, only the pressure is required. After the old bushing is replaced with the standard size bushing, the clearance can be restored to the allowable range. If the drive shaft and bushing are seriously worn and the clearance is seriously exceeded, the bushing must be replaced, and the drive shaft should also be chromed or vibrated. The surfacing method increases the diameter and then grinds it to the standard size, recovery and bushing requirements.

2. Repair of cracks in the repair of the lubricating oil pump housing

The crack of the oil pump casing can be repaired by casting 508 nickel-copper welding rod. The weld seam must be tight and the flatness error of the joint surface of the element air hole and the oil pump pump cover is not more than 0.05 mm.

3. Repair of gear oil pump drive shaft bushing hole and driven shaft hole wear

After the oil tank drive oil pump drive shaft bushing hole is worn, the reaming method can be used to eliminate the wear marks, and then the bushing is enlarged to the corresponding size. The driven shaft hole wear is also removed by the reaming method and then reamed. The actual size of the hole is configured as a driven shaft.

4. Repair of the inner cavity of the gear pump casing

After the inner cavity of the gear pump casing is worn, it is generally repaired by the inner cavity inserting method. The inner cavity is enlarged and then the cast iron or steel bushing is inlaid. After the insert is set, the inner cavity and the valve seat are repaired: the pressure limiting valve has a spherical valve. And the plunger valve. After the spherical seat is worn, a steel ball can be placed on the valve seat, and then the steel ball is lightly tapped with a metal rod until the ball valve is in close contact with the valve seat. Reaming removes the wear marks and then closes them by the above method. After the plunger seat is worn, a small amount of valve sand can be placed for grinding until it is tight.
Article from: http://NewsDetail279T1.html China Hardware Business Network http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn

1. Product Introduction

   Gold refined Granular Activated Carbon with high quality Anthracite as raw material, it uses of advanced technology by high temperature activation to make. Its appearance is black, granular, and has a large surface area, high strength, high adsorption properties, developed pore structure, low bed resistance, good chemical stability, easy regeneration, durable characteristics etc. The product has kinds of specifications, such as irregular broken and small particles.


2. Application

a. Gold refined granular Activated Carbon is mainly used for extracting gold, carbon paste method, heap leaching method and separation and extraction of precious metals in the metallurgical industry; it can be used for water purification, waste gas treatment and solvent recovery.

b. Gold refined granular activated carbon is also a good adsorbent for advanced purification of drinking water in the city, and applied to remove bacteria and toxic gas components in the air.

c. Gold refined granular activated carbon is also used for the purification of drinking water; removing chlorine, algae, oxygen absorption; it is effective in catalytic carrier, and can be used for water purifiers, core filler, such as water purification equipment.

3. Process  

  Coal-based Granular Activated Carbon with high quality anthracite as raw material, it produced by high temperature steam, and by carbonization, activation, crushing and sieving process.

4. Transportation and packaging

a. Woven bag, lined with plastic film bags, each 25kg, also be packaged according to customer demand; activated carbon in the transportation, to prevent mixed with hard materials, do not step,to prevent carbon particles broken, affecting the quality.

b. Storage: the product should be placed in a cool and dry place;in the transportation and use, to prevent water immersion;

c. To prevent tar substances: in the process of use, tar substances should be prohibited into the activated carbon bed that to plug the activated carbon gap, loses adsorption;

d. Fire prevention: activated carbon in storage or transportation, to prevent direct contact with fire, in case of fire; activated carbon after regeneration should avoid oxygen, the after regeneration`s activated carbon should be steam cooling to below 80 DEG C, or high temperature, with oxygen, activated carbon combustion.


Granular Gold Refined Activated Carbon

Granular Gold Refined Activated Carbon,Granular Activated Carbon Air Filter,Granular Activated Carbon For Water Treatment

Ningxia YiFeng RuiDa Activated Carbon Co.,LTD , https://www.nxyfrdhxt.com