ZBG Group 10 Tons Per Hour Liquefied Gas Steam Boiler

1. Equipment purpose and application targets

Steam generation for technological needs of steelmaking shop

2. Technical Requirements

1. Steam pressure – 13kgf/cm2
2. Steam temperature – 1950С
3. Required productivity – 10 000 kg/h of steam
4. Fuel: liquefied gas

Item #	Indicator	Unit	Figure
1	Mass fraction of components:
	Sum of methane, ethane, ethylene	%	0.0
	Sum of propane and propylene	%	0.43
	Sum of butanes and butylenes, not less than	%	99.57
	propane	%	0.27
	propene	%	0.5
	isobutane	%	46.39
	Normal butane	%	9.87
	butene-1	%	13.54
	isobutene	%	2.09
	transbutene-2	%	15.88
	cisbutene-2	%	11.17
	isopentane	%	0.21
	Normal pentane	%	0.08
2	Volume fraction of liquid residue at 20°С, not more than	%	0.0
3	Saturated Steam pressure, excess, at +45°С, not more than	MPa	0.41
4	Mass fraction of hydrogen sulfide and mercaptan sulphur, not more than	%	0.0021
5	Content of water and alkali		absence

5. Automation: (fully automated) Automated control system based on SIEMENS controller with Human-Machine Interface
6. Efficiency: not less than 90%
7. Foresee condensate return system
8. Water properties:

Item #	Indicator	Unit	Qty
1	РН Sulfates	mg/l	7.28
2	Sulfates	mg/l	40.0
3	Hardness total	mg eq./l	2.6
4	Alkalinity total	mg eq./l	3.8
5	Hydrocarbonates	mg/l	231.8
6	Chlorides	mg/l	13.0
7	Calcium	mg/l	64.12
8	Magnesium	mg/l	24.32
9	Suspended matters	mg/l	12.0
10	Solid residue	mg/l	516.0

ZBG Group 10 Tons Per Hour Liquefied Gas Steam Boiler

3. Operating conditions

Temperature -450С to +450С

4. Supervised installation and training of customer’s personnel

Commissioning and training of personnel on Buyer’s site