Submersible fire fighting pump joint using new wear-resistant material
A fire pump and new material technology, applied in the parts of the pumping device for elastic fluid, metal material coating process, pump, etc. The effect of prolonging the service life and avoiding wear
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preparation example Construction
[0022] The preparation method of the rare earth spindle oil comprises: 100 parts by weight of spindle oil, 0.3 parts by weight of neodymium hexafluoro-2,4-acetylacetonate dihydrate, 0.02 parts by weight of 8-hydroxyquinoline aluminum, 0.02 parts by weight of Tall oil alkyl benzyl hydroxyethyl imidazolinium chloride, 0.04 parts by weight of phthalic anhydride / glycerin / glycidyl caprate copolymer, 0.2 parts by weight of 4-(N-maleimide Methyl)cyclohexane-1-carboxylic acid succinimidyl ester, 0.02 parts of polybis(ethoxypyrrolidone)phosphazene, 0.03 parts of terbium triacetate hydrate, temperature 50-70°C, mix 2 Rare earth spindle oil was produced in hours.
[0023] The composite ceramic powder is prepared according to the following technical scheme:
[0024] Mix 45 parts by weight of chromium oxide nanopowder, 23 parts by weight of aluminum oxide powder, 13 parts by weight of yttrium oxide, 8 parts by weight of nickel oxide powder and 130 parts by weight of water, and add 45 part...
Embodiment 2
[0027] A joint for a submersible fire pump using a new wear-resistant material, the technical scheme of which is as follows:
[0028] Its main structure includes a hemispherical joint body, the arc surface of the body is provided with a connection hole that can be connected to the water inlet pipe of the fire pump, and a plurality of water inlets are provided on the arc surface of the body; each water inlet The mouths are connected with isolation tubes; the isolation tubes are composed of elastic soft sections and isolation spheres, and several water inlet holes are arranged on the isolation spheres, and the water inlet holes are long strip-shaped gaps; it is characterized in that it uses The lower plane of the hemispherical joint body is placed parallel to the bottom of the water, and the multiple water inlets on the arc surface are supported by elastic soft segments to ensure that the water inlets do not suck the bottom mud into the joint; the feature is: the inner wall of th...
Embodiment 3
[0036] A joint for a submersible fire pump using a new wear-resistant material, the technical scheme of which is as follows:
[0037] Its main structure includes a hemispherical joint body, the arc surface of the body is provided with a connection hole that can be connected to the water inlet pipe of the fire pump, and a plurality of water inlets are provided on the arc surface of the body; each water inlet The mouths are connected with isolation tubes; the isolation tubes are composed of elastic soft sections and isolation spheres, and several water inlet holes are arranged on the isolation spheres, and the water inlet holes are long strip-shaped gaps; it is characterized in that it uses The lower plane of the hemispherical joint body is placed parallel to the bottom of the water, and the multiple water inlets on the arc surface are supported by elastic soft segments to ensure that the water inlets do not suck the bottom mud into the joint; the feature is: the inner wall of th...
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Abstract
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