Author:   Date:2007-08-20  

This furnace is a type of new heating equipment developed and manufactured by us to meet the needs in the oil fields and extensive users. It is widely used for heating crude oil, natural gas, well effluent, adulterated water, hot wash water, tracing water and other liquids as well as heating water and domestic water. This furnace incorporates full automatic monitoring system and is compact in construction and complete in functions. It can be used for heating in single system and integrate several systems. The heating system is a closed self-circulation type and operates without water makeup and with automatic regulation according to the change of media load, especially in the application of non-attendance and fluctuating load. With a long service life, it is ideal heating equipment designated for oilfields.

This furnace is designed, manufactured and inspected in compliance with SY/T5262-2000 Code for Drum Type Furnaces and SY0031-2004 Regulation for Safety of Furnaces in Petroleum Industry and with reference to GB150-1998 Code for Steel Pressure Vessels.

 

·The phase change vacuum furnace works in a vacuum state with safe and reliable operation and no explosions.

·Wide ranges of furnace types are available with either the various well effluents in oilfields or production and domestic water as the media to be heated.

· A heat load range of 63kW-3, 500kW.

· Phase change heat exchange takes place in the closed oxygen-free furnace, which requires no water makeup, hence no scaling and oxygen corrosion, providing high operating efficiency and long service life of the equipment.

·Easy operation, use of full automatic monitoring system and multiple protective device and providing remote monitoring.

·For the combustion system, imported full automatic burner or SCGTA series combustion control system developed by us may be used depending on demands of users. This burner and its control system are widely used in the large oil/gas fields.

·High thermal efficiency in the system, coming up to 86%-90% or above.

·Different configurations are used depending on different needs of the users, for which special design will be conducted. Multiple coil pipes may be combined to allow multi-functions in a furnace.

·This furnace is complete with vacuum pump. It can operate by self-generated vacuum in case of no power supply or no vacuum pump as requested by users.

 

Installation and Pipe Distribution Chart

Model definition

Combustion type

Coil pipe design pressure (Mpa)

Total load of furnace (kW)

Type of media to be heated

Combustion mode

Operating mode of furnace

Number of coil pipes

Company code

Breakdown of Preparation Means

No.	Items	Code description
1	Company code	SC: Beijing Supercontrol Bright Petroleum Technology Co., Ltd.
2	Number of coil pipes	1,2,3,4,……
3	Operating mode of furnace Combustion mode	Z-phase change vacuum F-combustion at negative pressure    P- combustion at micro-positive pressure
4	Type of media to be heated	Y	Q	H	CS	BR	RX	CN	XS
		Crude oil	Natural gas	Well effluent	Adulterated water	Tracing water	Hot wash water	Heating	Bath water
5	Total operating load of furnace (kW)	63, 100, 200, 315, 400, 630, 800, 1250, 1600, 2000, 3000, 3500
6	Operating pressure of coil pipe (MPa)	1.6, 2.5, 4, 6.3, 10, 16, 25, 32,
7	Fuel type	Q-natural gas (accompanying gas); Y-crude oil; and YQ-oil/gas application

Technical Parameters

Model		SC-M-ZF-Q-250/25-YQ	SC-M-ZF-Q-400/25-YQ	SC-M-ZF-Q-630/25-YQ	SC-M-ZF-Q-800/25-YQ	SC-M-ZF-Q-1000/25-YQ	SC-M-ZF-Q-1250/25-YQ	SC-M-ZF-Q-1000/25-YQ	SC-M-ZF-Q-2000/25-YQ	SC-M-ZF-Q-2500/25-YQ	SC-M-ZF-Q-2000/25-YQ	SC-M-ZF-Q-3500/25-YQ
Total load		250	400	630	800	1000	1250	1600	2000	2500	3000	3500
Number of coil pipes (groups)		4	4	4	4	4	4	4	4	4	4	4
Operating pressure of coil pipe (MPa)		25	25	25	25	25	25	25	25	25	25	25
Total handling capacity of coil pipe (104Nm3/d)		13	21	33	42	52.5	65.5	84	105	131	157.5	183.5
Coil pipe inlet temperature (oC)		5	5	5	5	5	5	5	5	5	5	5
Coil pipe outlet temperature (oC)		55	55	55	55	55	55	55	55	55	55	55
Fuel type		Natural gas, fuel oil (crude oil, heavy oil, light oil,…)
Fuel gas parameters	Pressure (mbar)	40-70	40-70	50-80	50-100	50-100	50-100	50-100	50-100	50-100	50-100	50-100
	Consumption (m3/h)	<30	<45	<70	<87	<120	<140	<178	<212	<264	<310	<370
	Combustion mode	Combustion at negative pressure and at micro-positive pressure
Fuel oil consumption (kg/h)		25	40	62.5	78	96	120	125	190	242	290	335
Thermal efficiency of furnace (%)		85	86	86	87	88	89	89	90	90	90	91
Contour dimensions		4000×φ1600×9850	4700×φ2000×13500	5000×φ2200×14650	5500×φ2200×8750	5800×φ2200×8750	6000×φ2400×8950	6300×φ2400×8950	6500×φ2400×8950	6900×φ2600×9250	7400×φ2600×9250	7800×φ2600×9250

Notes:

1.        This table is prepared with the natural gas in a natural gas field as medium to be heated. If other media to be heated are chosen, some data will be changed.

2.        The fuel gas pressure in the table refers to the operating condition of combustion at micro-positive pressure. In the case of combustion at negative pressure, the pressure of supply fuel gas is 0.1-0.4MPa.

3.        The consumption of natural gas and fuel oil is the consumption when one type of fuel is used.

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