D-type horizontal multistage centrifugal pump, the series of pumps horizontal multistage centrifugal pump, using the national recommended high-efficiency energy-saving products, hydraulic model, living in the industry-leading technology. D-type horizontal multistage centrifugal pump with high efficiency, wide range of performance, safe and stable operation, low noise, long life, easy installation and maintenance.
For factories, mines, cities, power plants, petroleum, chemical, light Gong, environmental protection of drainage, farmland irrigation and drainage and various water conservancy projects. D-type horizontal multistage centrifugal pump is more common, the material is generally cast iron. Therefore, we can see D-type horizontal multistage centrifugal pump is widely used, but also used in more occasions, so we need to D-type horizontal multistage centrifugal pump has a good maintenance and repair, to horizontal and more Centrifugal pump operation safe and stable, long service life.
The following is the maintenance, inspection requirements:
1.D horizontal multistage centrifugal pump maintenance aD horizontal multistage centrifugal pump replacement of old horizontal multistage centrifugal pump replacement;
Replace horizontal multistage centrifugal pump oil (pump thrust bearing box);
Monthly water flush horizontal multistage centrifugal pump water guide bearing, the time is about 2 minutes;
Rotate pump rotor at the same time;
Check the horizontal horizontal multistage centrifugal water pump system, check the fasteners are loose.
bD horizontal multistage centrifugal pump to check the horizontal multistage centrifugal pump packing leak conditions;
Check horizontal multistage centrifugal pump lubrication water pressure;
Check horizontal multistage centrifugal pump lubricant and bearing temperature;
Do a good job log, such as horizontal multistage centrifugal pump has more trouble to record in detail.
2.D Horizontal Multistage Centrifugal Pump Maintenance a. During the inspection of the D-type horizontal multistage centrifugal pump, the motor control switch must be in the "closed" position and hang the warning sign to avoid any personal injury.
b. In the D-type horizontal multistage centrifugal pump demolition should be marked with the parts at the coordination so that the installation can be carried out smoothly; D-type horizontal multistage centrifugal pump demolition of small parts and fasteners with the box Install well, make a mark, indicate the premises; D-type horizontal multistage centrifugal pump removed parts clean, coated with anti-rust oil, painted surface if there is rust, we must eradicate rust, re-painted; Multistage centrifugal pump "O" ring, packing, rust fasteners can not be reused, ready spare parts.
Air purifiers, also known as "air cleaners", air purifiers, and purifiers, refer to decoration pollution that can absorb, decompose or transform various air pollutants (generally including PM2.5, dust, pollen, odor, formaldehyde, etc. , bacteria, allergens, etc.), products that effectively improve air cleanliness, are mainly divided into household, commercial, industrial, and building.
There are many different technologies and media in air purifiers that enable it to provide clean and safe air to the user. Commonly used air purification technologies include: adsorption technology, negative (positive) ion technology, catalytic technology, photocatalyst technology, superstructured photomineralization technology, HEPA high-efficiency filtration technology, electrostatic dust collection technology, etc.; material technologies mainly include: photocatalyst, activated carbon, Synthetic fibers, HEPA high-efficiency materials, negative ion generators, etc. Most of the existing air purifiers are composite types, that is, a variety of purification technologies and material media are used at the same time.
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