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PZ-9 Spraying Machine

PZ-9-type spraying machine is an equipment used for dry spray, tidal spray. It has the features of advanced technology, reasonable structure, stable performance, easy operation and maintenance, constr

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Product Introduction

PZ-9-type spraying machine is an equipment used for dry spray, tidal spray. It has the features of advanced technology, reasonable structure, stable performance, easy operation and maintenance, construction shotcrete machine long life, can be configured separately tire and wheel tracks two kinds of walking device. PZ-9 gunite machine is widely used in tunnels, culverts, subway, hydropower engineering, underground engineering shotcrete construction operations.

This kind shotcrete machine uses the compressed air to convey or high-speed jet concrete mix with a certain proportion to the surface through the pipelines. The concrete mix on the surface set and harden to form concrete support layer. In recent years, shotcrete technology with a simple process, an unique effect, the economic cost and fast construction speed, is widely used in construction, rail and road tunnel construction, mine development, slope reinforcement and other fields.

Technical feature


1. Through type rotary, non-sticky, unobstructed discharge, high efficiency and time-saving.

2. Four-point clamping device makes it easy to adjust the press between sealing plate and rotor disk so as to reduce air and dust leak and prolong consumption parts life.,

3. Using low-tension, high-speed vortex pneumatic transportation, so the spraying flow is even, continuous and steady. It's good to improve the shotcrete quality.

4. The new nozzle, discharge elbow device, improving spray deposition effect, less resilient, high quality shotcrete.

5. The machine chassis can be assembled into wheel-type, skid-type and various gauge rail wheel.



Working principle


The stirred material  from the mixer discharge port fed into the jet through the vibrating screen hopper, then injected into the straight chamber of the rotor by kick-out device and then  turn to the discharge port with the rain of of the cyclone. At this time, passes into the air from the air chamber, the material blown into the discharge elbow, and then introduced another stock pressure by the cyclone, which will let the material be blown, accelerated, and rotating, floating into the conveying pipe to reach the nozzle and then add a small amount of added water (when it's the the tide spray) or liquid accelerator (when it's the wet spray ) and last sprayed it out.

PZ-9 type concrete spraying machine mainly consists of  driving device, the rotor assembly, air duct systems, injection systems, electrical control box and other components.



Technical Parameter

Model No.                                 PZ-9

Injection capacity                       9/h

Max conveying distance             150m

Water-cement ratio                  < 0.35

Max aggregate size                   20mm

Duct diameter                         φ64mm

Working pressure                  0.2-0.6MPa

Air consumption                     9-10/min

Drive power                       7.5kW(10hp)

Voltage                      380V,440V,660V,1140V   50Hz/60Hz

Chassis Chassis can be assembled into tire type, skid type, rail wheel type.


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  • JULIO FERNANDO VARGAS PARRA E-mail:juliofvargasp@gmail.com
    Dear Sirs, I write to you from Bolivia South America, please quote the equipment with FOB price, attach specifications (Brochure) equipment techniques. My cell phone is: +591 78525265 (WhatsApp and Wechat) Best regards, JULIO VARGAS
  • Contacts:L***d E-mail:L***d @c***o.ph
    Very nice service. Looking forward to cooperate with you again.
    Thanks for your approval of our products,hope we can continue to cooperate in the future
  • Contacts:C***k E-mail:C***k @l***n.vn
    Please provide us with a quotation. Thank you.
    Dear Customer, We clarify as soon as possible your request and will contact you shortly. China Coal Group
  • JULIO FERNANDO VARGAS PARRA E-mail:juliofvargasp@gmail.com
    Dear Sirs, I write to you from Bolivia South America, please quote the equipment with FOB price, attach specifications (Brochure) equipment techniques. My cell phone is: +591 78525265 (WhatsApp and Wechat) Best regards, JULIO VARGAS
  • Contacts:L***d E-mail:L***d @c***o.ph
    Very nice service. Looking forward to cooperate with you again.
    Thanks for your approval of our products,hope we can continue to cooperate in the future
  • Contacts:C***k E-mail:C***k @l***n.vn
    Please provide us with a quotation. Thank you.
    Dear Customer, We clarify as soon as possible your request and will contact you shortly. China Coal Group
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