The 2.1.1 cover shall be made of glass fiber reinforced plastic
cover and open pump cover plate. The cover material can be made of
lightweight materials such as glass fiber reinforced plastic or
2.1.2 cover inside and outside surface should be flat, there shall
be no crack depth more than 2mm, there shall be no delamination,
fiber, resin, naked nodule inclusion, the color was foreign body
2.1.3 glass fiber reinforced plastic (GRP) cylinder material shall
be composed of anti-corrosion layer, anti permeability layer,
structure layer and outer protective layer, and the thickness of
each layer is shown in the figure. The outer protective layer shall
be provided with anti ultraviolet material to prevent the aging
under the sunlight. Integral prefabricated pumping station
2.1.4 overall cover should be anti slip measures. The antiskid
cover can be made of glass fiber.
2.1.5 production of aluminum alloy cover plate should be non slip
pattern plate, tensile strength should be 120MPa and above, the
thickness of the plate should be 5mm and above (excluding the
pattern). The cover flange shall be not less than 20mm.
2.1.6 cylinder with E-glass fiber roving and its products as
reinforcing material and thermosetting resin as matrix, glass steel
pipe winding process made by computer, uniform thickness. The
hardness should reach 40HBa and above, the compressive strength
should reach 120MPa and above, the hoop tensile strength 150MPa,
the axial tensile strength 60MPa.
The inner lining layer of the 2.1.7 includes the inner layer and
the inner surface layer, the total thickness is not less than 2mm,
and the inner surface thickness is not less than 0.3mm. The minimum
thickness of the pipe wall shall not be less than the nominal
thickness specified in the drawings and technical documents
approved by the prescribed procedures.
2.1.8 cylinder body shall be fitted with at least two external
2.2.1 should be the base structure base concave arc, the inner side
of the pedestal can be designed according to the reserved or
install mixer, crushing grille.
The tensile strength of the 2.2.2 base shall be 120MPa and above,
and the hardness of the 40HBa shall be up to.
The peripheral skirt 2.2.3 base should be at least 2 drilled
grouting holes, grouting hole diameter should reach DN100 and
The lower part of the base 2.2.4 should be concrete anti floating,
on the basis of anti floating calculation to determine the design
size of concrete slab, multi shaft pumping station and pumping
station before and after the end should adopt the same floor
structures, concrete strength grade cement floor should not be less
than C40 diameter shall be not less than 10mm, the thickness should
be not less than 250mm, shall be embedded in concrete floor anchor
bolt for hoisting prefabricated pumping station into the pit after
fixed. The concrete floor can be prefabricated, or can be directly
poured into the foundation pit.
The weight of the base station 2.2.5 should be more than 1.5 times
the total weight of the water pump, water pump to prevent the fixed
junction vibration and resonance. Selection of shockproof component
for dry pump station according to pump form.
2.3 service platform and automatic coupling system
2.3.1 integrated prefabricated pump station should be set up
2.3.2 service platform should be made of aluminum alloy or glass
fiber reinforced plastic materials, service platform shall not be
less than 450kg.
2.3.3 automatic coupling system in normal use shall not leak, and
should be conducive to the lifting of the pump.
2.4 control cabinet
The size of the 2.4.1 control cabinet shall be in accordance with
the provisions of GB/T3047.1 of the height of the 20mm, the basic
dimensions of the panels, racks and cabinets.
The surface of 2.4.2 control cabinet should be smooth and well
proportioned, and the welding place should be even and firm, and
there should be no obvious distortion or burn through.
Electrical and electronic components in the 2.4.3 control cabinet
shall comply with the relevant product standards.
The connection points of the 2.4.4 control cabinet should be firm,
wiring shall comply with relevant standards and design drawings.
The color of the wire and bus in the 2.4.5 control cabinet shall
comply with the relevant standards.
The color of the 2.4.6 indicator and button shall comply with the
At the bottom of the cabinet body 2.4.7 control cabinet shall be
provided with a mounting hole of the fixed base.
The top 2.4.8 control cabinet should have the rings, so that the
The protection level of 2.4.9 control cabinet shall be in
accordance with the provisions of the current national standard
2.4.10 control cabinet should be equipped with a variety of
intelligent sensors, unmanned, progra