1. PRESENTATION .hmc DS Systems

2. .hmc. ‘Wherever water is used for DUST SUPPRESSION in
Mines / CHP / Power / Steel
Cement /
.hmc Conflow products can be found’
The main areas of use is :-
1. Dust Suppression

3. .hmc. Dust Suppression Why needed:
airborne coal dust, when mixed with gas and in the presence of a naked flame, is very dangerous and causes an explosion.
What is needed:
methods of using the plentiful supply of water available in a coal mine to suppress the dust
products to control, filter, measure and (most importantly) spray, water to supress the dust to prevent it becoming airborne
Essential Dust Suppression Requirements:
CONTROL FILTER SPRAY
Where located:
conveyor belt line transfer points
roadway headings
coal faces
roof support systems

4. Conveyor belt line transfer point
.hmc.
Conveyor belt line transfer point
TYPICAL BELT LINE DUST SUPPRESSION SYSTEM

5. .hmc.
Auto Belt Spray-Code 100

6. SECTIONED VIEWS SHOWING FEATURES
.hmc.
Auto Belt Spray
SECTIONED VIEWS SHOWING FEATURES

7. .hmc.
Auto Belt Spray

8. .hmc.
The hydraulic pump that operates when ‘Coal comes on belt’ and develops water spray
Water connection to new unit
Water addition in raw material blend through automated hydraulic pump system installed by hmc

9. .hmc. Water spray on Operating Conveyor Belt at Bhilai Steel Plant
This spray is independent of solenoid and electrical power requirement. The Pump which is driven by the ‘load on belt’ is totally independent of any electrical power and solenoid. Such systems are available in Power Plant and other units of ‘NTPC’.

10. .hmc. Auto Belt Spray Extra features
choice of drive wheel for different belt speeds
choice of water valve size for volume of water flow
wheel height cam adjustment
What would happen if you did not have it?
dust would be created along belt lines
Population and use world wide:
manufactured and supplied since 1963
approximately 50,000 sold
UK, USA, Australia, South Africa, Germany and India

11. .hmc.

12. .hmc.

13. .hmc.
Systems avoid over wetting of belts, which causes belt slipping & excess maintenance in all stage.
Auto activation of systems (switch on/off)
100% fail-proof (mechanical activation) on extra manpower required
Operates at belt speed from 100 FT/MIN to 750 FT/MIN.(1mtr per sec)
No extra power supply is needed to operate the system (Power saved = Power produced), Maximum working pressure 105 bar
Best performance can be expected at water
(Min 6-10 bar / max bar)
spray can be in form of water droplets / mist / Cold Fog (hydraulic atomization) Dry Fog (air & water) to suit your requirement
System can be installed in maximum 4hrs time without any modification
Space required is under the belt, no ducting, installation of bag/filters etc
Engineered system & custom designed to every specific need
Reduced periodical clean-up &system failure
Maximum return of investment (years of trouble free services)
Maintenance free system tested in operating condition
AT CHP / TP OF COAL INDIA SECL, NCL, WCL, SCCL,
POWER PLANTS OF NTPC/ STATE ELECTRICITY POWER Co

14. .hmc.
Auto Belt Spray Video

15. .hmc.
Pendulum Valve

16. .hmc.
Pendulum Valve

17. .hmc.

18. .hmc.

19. Hopper Unloading Spray Video
.hmc.
Hopper Unloading Spray Video

20. .hmc. Pendulum Valve Extra features fire resistant paddle
cam adjustment for opening
adjustable pendulum length
What would happen if you did not have it?
dust would be created at transfer point

21. .hmc.
Y Strainer

22. .hmc.
Y Strainer

23. .hmc. Y Strainer Extra features robust for mining environment
What would happen if you did not have it?
water supplied would be contaminated, valve seats damaged and sprays blocked

24. .hmc.
Sprays

25. .hmc.
Sprays

26. .hmc.
Sprays

27. .hmc.
Sprays

28. .hmc. Sprays Extra features robust for mining environment
offer customized spray bars
What would happen if you did not have it?
dust would not be suppressed

29. .hmc. Contact Us HMC Equipments Pvt. Ltd.
Sector–A, Block-D, Plot no:- 4 Industrial Area Sirgitti Bilaspur Chhattisgarh India
Ph: /261015
Fax No:
mobile:
Web:
Regd. Office:-Himalayan House,
Mungeli Road Bilaspur, Chhattisgarh Pin India