Slurry pumps are equipment with which you can pump slurries with a high content of soil, sand and sludge. If we compare them with fecal pumps, then centrifugal slurry devices are able to work under extreme conditions, when the density of inclusions reaches 2500 kg / m 3 . The basis of the flow part of products of this type are:
Reviews on the principle of operation of slurry pumps
Slurry pumps, according to customers, can be used for pumping media of different viscosities, they may contain impurities with solid substances, you can read more about this below. The principle of operation of devices of this type, according to customers, is based on the displacement of sludge by a rotating shaft inside the stator.
The pumped mass is pumped along the pump axis with hermetic chambers, they form a moving part. The volume of cavities and their number, according to customers, affect the pressure produced. This equipment is characterized by a uniform flow rate. The device has a high level of suction.
Use area reviews
Slurry pumps, according to customers, can be used in many areas of human activity. For example, in the mining and processing and mining industries, this equipment pumps wastewater, enrichment products, and mining and transportation. In the conditions of metallurgical, rolling and steel mills such devices:
- pump gas sludge, agglomeration water, granular slag;
- carry out dust removal:
- provide wet cleaning;
- transporting solid particles;
- carry out wet dust removal.
Slurry pumps, according to buyers, are also excellent in gravel production, where gravel and sand are prepared, as well as raw materials are extracted. According to consumers, such equipment is ideally suited for the production of sugar factories, where washing water, transporting liquids, wastewater are necessary and the bleaching process is carried out. You can use these devices in the glass industry, oil refining and aluminum smelters.
Reviews and specifications of horizontal slurry pumps
Slurry pumps can be horizontal. They are intended for coarse solid products and aggressive sludge. They are characterized by high performance and reliability, even under difficult operating conditions. Customers like the fact that in the production of such equipment high-quality composite materials are used, which form the basis of the wearing parts, this becomes the key to the quality of such devices.
Among the technical characteristics, it is necessary to single out the feed, which reaches 20,000 m 3 / h, as well as a pressure equal to 145 m or less. This equipment is developed on the basis of several principles, among them:
- maximum efficiency;
- low consumption;
- power;
- standardization;
- minimal wear;
- ease of maintenance.
Features and specifications of vertical slurry pumps
Vertical slurry pump can be classified into two varieties, among them:
- armored vertical;
- semi-submersible vertical.
The hydraulic part of the carapace pumps is similar to the hydraulic part of the horizontal ones. On sale you can find installations in dry and wet versions. The feed is provided at the level of 3000 m 3 / h, while the maximum immersion depth is 5 m. The head reaches 145 m.
Submersible pump specifications
The TOYO DPE submersible slurry pump delivers up to 400 m 3 / h, the temperature of the pumped medium can vary up to +60 ° C and up to 80 on request. The pumped medium must have a pH level between 4 and 9.5. The working depth of immersion reaches 30 m.
Description of pump VSHN-150
The aforementioned slurry pump 150 is a centrifugal vertical equipment that is used for pumping slurries with a solid fine fraction. The density of the latter can reach 1300 kg / m 3 . Suspended particles can have a hardness of not more than 3 on the Mohs scale.
The size of individual elements can reach 20 mm, but no more; their volume can contain 20%. This centrifugal slurry pump is capable of pumping a medium with a temperature in the range from +4 to +50 ° C. This device can be used to perform auxiliary operations during the pumping of a washing solution.
Technical characteristics of VShN-150
The flow rate is 150 m 3 / h, the head is 30 m. The pump efficiency is 57%, while the motor speed is 150 rpm. The power of the equipment is equivalent to 30 kW, the mass of the pump is 360 kg. The diameter of the inlet and outlet pipe is 125 mm.
Description of Toyo hydraulic pump
The slurry hydraulic pump of the aforementioned brand can have a power ranging from 11 to 124 kW. This equipment is characterized by high power, durability, performance and high torque. The device is single-stage, may have a reinforced structure. It is airtight, corrosion resistant and is armored.
The working impeller is made of alloy steel, in which the Cr content is high, in the range of 24-28%. The short shaft is quite strong, it is mounted on bearings and stuffing box assemblies. They operate in an oil bath and provide a tight fit even under harsh operating conditions.
Slurry type hydraulic pumps can be mounted on the boom of an amphibious or conventional excavator when equipment is connected to the hydraulic system. You can use this equipment on the power frame of the soil intake device.
Solids in the pumped medium can be contained in up to 70%. The maximum fraction of solid elements can be 120 mm. The temperature of the pumped medium is equivalent to 60 ° C or less. The maximum specific gravity is 1.4 kg / dm 3 . The acidity level of the pumped mixture reaches 9.5 pH. The maximum immersion depth is 30 m, if we are talking about special versions, then this parameter increases to 120 m. In this case, an option with a pressure compensator is presented.
Conclusion
Slurry pumps cannot be used in idle mode. If this recommendation is neglected, then you may encounter premature wear of the nodes. A number of manufacturers provide for a dry-running sensor, which blocks the operation of the unit if necessary.