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The horizontal slurry pump is a cantilever centrifugal slurry pump suitable for conveying abrasive or corrosive slurries. Except for the different structures of the pump head part (including the pump body, pump cover, impeller, etc.), the structures of other parts of various types of horizontal slurry pumps are similar. The following describes the structural characteristics of the pump head part, shaft seal part, and transmission part respectively.

Structural characteristics of the horizontal slurry pump

1. Pump head part

• The AH, HH, and L type slurry pumps have a double - pump casing structure. That is, the pump body and pump cover are equipped with replaceable wear - resistant metal linings. The flow - through components such as the impeller, sheath, and wear plate are made of high - chromium wear - resistant metal. The pump body and pump cover are made of gray cast iron or ductile cast iron according to the working pressure. They are vertically split in the middle and connected by bolts. The pump body has a spigot and is connected to the bracket by bolts. The position of the pump discharge port can be rotated and installed at eight angles at 45° intervals as required.

• The AHR type slurry pump also has a double - pump casing structure. The pump body and pump cover are equipped with replaceable corrosion - resistant rubber linings (including the impeller, front sheath, rear sheath, etc.). The pump body and pump cover are interchangeable with those of the AH type slurry pump. Its transmission part and installation form are the same as those of the AH and L type slurry pumps.

• The D and G type slurry pumps have a single - pump casing structure, that is, without a lining, and are light in weight. The pump body, pump cover, and impeller are all made of high - chromium alloy with strong wear resistance or wear - resistant alloy steel, with a hardness of not less than 58HRC. The pump body and pump cover are connected by a special clamping structure. The direction of the pump outlet can be rotated arbitrarily, which is convenient for installation and disassembly.

2. Shaft seal part

• Secondary impeller shaft seal: Through the action of an impeller with a reverse centrifugal force, it prevents the slurry from leaking. For single - stage pumps or the first - stage pumps in multi - stage series when the positive pressure value at the pump inlet is not more than 10% of the pump outlet pressure value, a secondary impeller shaft seal can be used. The secondary impeller shaft seal does not require shaft seal water, does not dilute the pulp, and has a good shaft seal effect. It can be used in working conditions where the pulp is not allowed to be diluted.

• Packing shaft seal: The packing shaft seal is the most common type of seal. It has a simple structure, is convenient to maintain, and is inexpensive. However, it requires shaft seal water. It can be used in working conditions where the secondary impeller shaft seal is not suitable.

• Mechanical seal: Mechanical seals are generally used when high - level sealing requirements are needed, especially in the chemical industry. It is required not only that the slurry cannot leak but also that no additional substances can enter the pump body. The disadvantages of mechanical seals are high cost and difficult maintenance.

3. Transmission part

All types of horizontal slurry pumps use the same series of transmission parts, including the bracket and bearing assembly. The pump shaft has a large diameter, good rigidity, and a short cantilever, and will not bend or vibrate under harsh working conditions. Depending on the transmitted power, heavy - duty single - row or double - row tapered roller bearings and cylindrical roller bearings are selected for the bearings, which can withstand the large axial and radial loads of the pump. The bearings are lubricated with grease. There are sealing end covers, labyrinth sleeves, and labyrinth rings at both ends of the bearing body, which can effectively prevent dirt such as pulp from entering the bearings, ensuring the safe operation of the bearings and a long service life.

Transmission types: DC direct - drive transmission, CR parallel belt drive, ZVZ upper - and - lower belt drive, CV vertical belt drive, etc. By adopting a variety of speeds and multiple modification methods, the pump can operate under the optimal working conditions. It has a long service life, high operating efficiency, and can meet various harsh conveying conditions.

Advantages of the horizontal slurry pump

• Long service life of wearing parts.

• High efficiency and low energy consumption.

• Convenient maintenance.

• Low operating cost.

• High reliability.

Due to the large number of models of horizontal slurry pumps, and with limited space on the product page, we can only use the parameters of one model as a reference. If you need other product models, you can contact our factory's technician at 182-3296-2233!