Shaanxi Zhongtuo Mine Equipment Co.,Ltd |
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Tunnel Chemical Grouting Pneumatic Pump Machine
Working Principle of Pneumatic Injection Pump
The pump is composed of pneumatic triple parts, a cylinder, piston
rod, reversing valve, slurry cylinder, suction and discharge valve
group, pump frame, etc.
The pump slurry parts are made of high-quality stainless steel, and
the slurry seal is made of corrosion-resistant material sealing
assembly.
The pump is a double-cylinder acting plunger pump. Its working
principle is: the compressed air generated by the air compressor
pushes the piston in the cylinder to reciprocate, and the double
plungers of the slurry cylinder also reciprocate at the same time,
and the action of the suction and discharge valve group completes
the suction and discharge of the slurry cylinder. Pulp work.
The pump uses the working medium (slurry, gas) to transmit pressure
signals, forming a closed-loop automatic control performance. The
structure is simple, the use is safe and reliable, and there is no
problem with grouting overpressure.
Technical Parameter of Mining Pneumatic Grouting Pump
Rated Displacement | 20-50L/min |
Prest Pressure | 5-20Mpa |
Number of sand cylinders | 2 |
Into the pipe diameter | Φ32mm |
Weight | 90kg |
Precautions of Pneumatic Injection Pump
1. The faucet of the suction pipe should be placed below the slurry
level, and no air can be inhaled, nor can the suction faucet be
removed and directly sucked by the suction pipe.
2. Ensure that the slurry is evenly stirred, and no large particles
and foreign objects enter the slurry suction pipe.
3. The suction pipe and the suction joint must be clamped with a
pipe hoop or iron wire to prevent air leakage.
4. When injecting double slurry, the same slurry cylinder should be
used fixedly. (If the water glass is on the right side of the
slurry tank, it will be on the right side every time)
Application of Pneumatic grouting Pump
1. Pneumatic grouting pumps are mainly used in coal mines, iron
mines, and other shaft wall waterproofing, and reinforcement
grouting projects, as well as grouting water, blocking, and
grouting consolidation projects in broken rock formations such as
subways, tunnels, water conservancy, and buildings.
It can also be used for pre-grouting of the working face suitable
for good depth. The pump can be used for single-liquid grouting
(cement slurry), can also be used for double-liquid grouting
(cement slurry, water glass), and can also be used to transport
other kinds of slurries and clean water that are not too viscous or
corrosive. The pump can be adjusted steplessly, can also be
automatically variable at constant pressure, and has a
double-liquid grouting function with a slurry ratio of 1:1.