The sand
washing machine is one of the washing equipment especially designed for artificial sand and natural sand. In general, there are two kinds of the sand washing
machine: spiral sand washing machine and wheel type sand washing machine.
Sand washing machines and their working sites
The sand
washing machine can be widely used in the industries such as sand and aggregate
plant, building materials, chemical engineering, high way, railway, water
conservancy, and hydropower.
It can
remove the impurities that covered in the surface of sand and aggregate and
destroy the vapor layer wrapped around the sand particles, so as to
high-efficiently clean and dry the sand and aggregate.
During
the operation process, users will inevitably encounter a variety of faults.
Fote Heavy Machinery shares some solutions to the common faults of the sand
washing machine, hoping you can get help.
1. The sand product contains impurities
Fault causes:
A. The
water supply is insufficient.
B. The
raw sand supply is excessive.
Solutions:
During
the sand washing process, the flush pipe should be opened first, then the raw
sand is sent into the sand washing machine.
The
water supply should be moderate to keep clean of sand and to prevent sand from
overflowing.
The raw
sand supply should be uniform, thus guaranteeing the quality of the sand
product.
2. The lower proportion of sand product or sand leakage
Fault causes:
A. The
sand washing screen is damaged.
B. The
bolts of the sand washing screen are broken off.
Solutions:
A.
Check, maintain, or even replace the sand washing screen.
B.
Fasten the bolts of the sand washing screen.
3. The bearing is overheated
Fault causes:
A. The
lubricating grease is mixed with impurities.
B. The
lubricating grease is used incorrectly.
C. The
bearing is damaged.
Solutions:
A.
Change for a better lubricating grease.
B. The
lubricating grease should be added moderately.
C.
Replace the bearings.
4. Water is splashed during the washing process
Fault causes:
A. The
speed of spiral washer is over fast.
B. The
horizontal axis of the spiral disk is not fixed well.
Solutions:
A.
Adjust the speed of the spiral sand washing machine.
B. Fix
the horizontal axis of the spiral disk properly.
5. The discharging port is locked
Fault causes:
It is
probably caused by the too-small sand particles and too much raw sand supply,
which results in the lockage of discharging port.
Solutions:
Stop
feeding and open all discharging ports first to avoid the lockage. Only after
cleaning the sand washing machine with clean water, can the further operation
be carried out.
6. The machine cannot be turned on
Fault causes:
A. The
voltage is insufficient.
B. The
belt is slipping.
C. The
reducer is broken.
D. The
motor is damaged.
Solutions:
A.
Change the voltage supply.
B.
Tension the belt.
C. Check
the reducer.
D.
Replace the motor for further operation.
7. There is much noise produced during the operation
process
Fault causes:
A. The
bearing is damaged.
B. The
reducer is damaged.
C. There
is friction between wheel and machine frame.
Solutions:
A.
Replace the bearing.
B. Check
and maintain the reducer.
C. Check
and adjust the wheel.
8. The gear is damaged
Fault causes:
A. The
gear isn’t maintained in time.
B. The
shaft of sand washing machine and reducing shaft of the reducer aren’t placed
properly.
Solutions:
A. The lubricating oil should be added regularly.
B. The
shafts should be adjusted in a proper place.
9. The iron core is damaged and out of shape
Fault causes:
A. The
bearing is overworn or installed poorly.
B. The
surface of the iron core is corrosive by moisture.
C. The
connection between the iron core and the frame is loose.
Solutions:
A.
Remove burr with a fine file and other tools to eliminate short connection of
silicon steel sheet. After cleaning, apply insulating paint and heat to dry.
B.
Polish it by abrasive paper and apply insulating paint.
C.
Tension the screw. If the positioning screw fails, drill another hole for
fixing it.
10. The bearing is easily damaged
Fault causes:
A. The
bearing lacks lubricating oil or the rubber sealing is damaged.
B. The
machine is lack of maintenance and cleaning for a long time.
Solutions:
A.
Lubricate it or replace the rubber sealing regularly.
B. Clean
the bearing in time.
11. There is much noise produced in the bearing
Fault causes:
A. The
rolling bearing produces noise for lacking of lubricating oil.
B. The
bearing parts are damaged.
C. There
is sand and other impurities mixed in the bearing.
Solutions:
A. The
lubricating oil should be added.
B. The
bearing should be damaged.
C. The
bearing should be cleaned regularly.
12. The machine frame is vibrated
Fault causes:
A. The
connecting bolts are loosened.
B. The
bearing seat is loose.
Solutions:
A. The bolts
should be tensioned.
B. The
bear seat should be fixed.
13. There is much noise produced in the transmission
system
Lubricate the gear regularly
Fault causes:
A. The
gear is lubricated insufficiently.
B. The
space between gears is changed.
Solutions:
A. The
lubricating grease should be added sufficiently.
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13 Common Faults of Sand Washing Machine and Solutions
The sand
washing machine is one of the washing equipment especially designed for artificial sand and natural sand. In general, there are two kinds of the sand washing
machine: spiral sand washing machine and wheel type sand washing machine.
Sand washing machines and their working sites
The sand
washing machine can be widely used in the industries such as sand and aggregate
plant, building materials, chemical engineering, high way, railway, water
conservancy, and hydropower.
It can
remove the impurities that covered in the surface of sand and aggregate and
destroy the vapor layer wrapped around the sand particles, so as to
high-efficiently clean and dry the sand and aggregate.
During
the operation process, users will inevitably encounter a variety of faults.
Fote Heavy Machinery shares some solutions to the common faults of the sand
washing machine, hoping you can get help.
1. The sand product contains impurities
Fault causes:
A. The
water supply is insufficient.
B. The
raw sand supply is excessive.
Solutions:
During
the sand washing process, the flush pipe should be opened first, then the raw
sand is sent into the sand washing machine.
The
water supply should be moderate to keep clean of sand and to prevent sand from
overflowing.
The raw
sand supply should be uniform, thus guaranteeing the quality of the sand
product.
2. The lower proportion of sand product or sand leakage
Fault causes:
A. The
sand washing screen is damaged.
B. The
bolts of the sand washing screen are broken off.
Solutions:
A.
Check, maintain, or even replace the sand washing screen.
B.
Fasten the bolts of the sand washing screen.
3. The bearing is overheated
Fault causes:
A. The
lubricating grease is mixed with impurities.
B. The
lubricating grease is used incorrectly.
C. The
bearing is damaged.
Solutions:
A.
Change for a better lubricating grease.
B. The
lubricating grease should be added moderately.
C.
Replace the bearings.
4. Water is splashed during the washing process
Fault causes:
A. The
speed of spiral washer is over fast.
B. The
horizontal axis of the spiral disk is not fixed well.
Solutions:
A.
Adjust the speed of the spiral sand washing machine.
B. Fix
the horizontal axis of the spiral disk properly.
5. The discharging port is locked
Fault causes:
It is
probably caused by the too-small sand particles and too much raw sand supply,
which results in the lockage of discharging port.
Solutions:
Stop
feeding and open all discharging ports first to avoid the lockage. Only after
cleaning the sand washing machine with clean water, can the further operation
be carried out.
6. The machine cannot be turned on
Fault causes:
A. The
voltage is insufficient.
B. The
belt is slipping.
C. The
reducer is broken.
D. The
motor is damaged.
Solutions:
A.
Change the voltage supply.
B.
Tension the belt.
C. Check
the reducer.
D.
Replace the motor for further operation.
7. There is much noise produced during the operation
process
Fault causes:
A. The
bearing is damaged.
B. The
reducer is damaged.
C. There
is friction between wheel and machine frame.
Solutions:
A.
Replace the bearing.
B. Check
and maintain the reducer.
C. Check
and adjust the wheel.
8. The gear is damaged
Fault causes:
A. The
gear isn’t maintained in time.
B. The
shaft of sand washing machine and reducing shaft of the reducer aren’t placed
properly.
Solutions:
A. The lubricating oil should be added regularly.
B. The
shafts should be adjusted in a proper place.
9. The iron core is damaged and out of shape
Fault causes:
A. The
bearing is overworn or installed poorly.
B. The
surface of the iron core is corrosive by moisture.
C. The
connection between the iron core and the frame is loose.
Solutions:
A.
Remove burr with a fine file and other tools to eliminate short connection of
silicon steel sheet. After cleaning, apply insulating paint and heat to dry.
B.
Polish it by abrasive paper and apply insulating paint.
C.
Tension the screw. If the positioning screw fails, drill another hole for
fixing it.
10. The bearing is easily damaged
Fault causes:
A. The
bearing lacks lubricating oil or the rubber sealing is damaged.
B. The
machine is lack of maintenance and cleaning for a long time.
Solutions:
A.
Lubricate it or replace the rubber sealing regularly.
B. Clean
the bearing in time.
11. There is much noise produced in the bearing
Fault causes:
A. The
rolling bearing produces noise for lacking of lubricating oil.
B. The
bearing parts are damaged.
C. There
is sand and other impurities mixed in the bearing.
Solutions:
A. The
lubricating oil should be added.
B. The
bearing should be damaged.
C. The
bearing should be cleaned regularly.
12. The machine frame is vibrated
Fault causes:
A. The
connecting bolts are loosened.
B. The
bearing seat is loose.
Solutions:
A. The bolts
should be tensioned.
B. The
bear seat should be fixed.
13. There is much noise produced in the transmission
system
Lubricate the gear regularly
Fault causes:
A. The
gear is lubricated insufficiently.
B. The
space between gears is changed.
Solutions:
A. The
lubricating grease should be added sufficiently.
B. Adjust the anchor bolts of the reducer.