Burner Retrofitting

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Burner Retrofitting Features

Nature Gas Burner Retrofitting

1.F Model dissociated and MBR Model monoblock burners can be retrofitted. Specific models are as follow：

FOL2800、FOL2500、FOL1600、FOL1500、FOL1000、FOL750、

FL2800、FL2500、FL1600、FL1500、FL1000、FL750、

MBROL2800、MBROL2500、MBROL1600、MBROL1500、MBROL1000、MBROL750、

MBRL2800、MBRL2500、MBRL1600、MBRL1500、MBRL1000、MBRL750、

2.Configuration

No.	Item	Qty.	Note
1	Natural gas gun	TBC	The number of guns depends on different models
2	Natural gas deflector	1
3	Natural gas ring	1	Need to check if has been pre-configured
4	Natural gas flow control valve	1
5	Natural gas valve group	1
6	Natural gas pipelines	1	Need to be prepared by customer at job site
7	Control system retrofitting	1	Siemens leak detection controller, relay knob etc.

3.Schematic Diagram

No	Name
1	Natural gas gun
2	Natural gas deflector
3	Natural gas ring
4	Natural gas flow control valve
5	Metal corrugated pipe
6	Natural gas pipelines 1
7	Metal corrugated pipe (natural gas valve group)
8	Natural gas pipelines 2

4.Parameters of Natural Gas Burner

Model	Power (Kw/max)	Max. Gas Consumption (Nm³/h)	Calorific Value (KJ/ Nm³)	Pressure(mbar)	Inlet Diameter (nominal diameter)	Note
F/MBR-G-2800	30000	3120	34750	600	DN125	DN150 The diameter of the conveying pipeline should be no less than DN150
F/MBR-G-2500	26700	2780	34750	600	DN125
F/MBR-G-1600	17900	1850	34750	600	DN125
F/MBR-G-1500	13400	1390	34750	600	DN125	DN125 The diameter of the conveying pipeline should be no less than DN125
F/MBR-G-1000	11200	1150	34750	600	DN125
F/MBR-G-750	8900	925	34750	600	DN125

5.Project Case

1)Kazakhstan #1009 Burner Retrofit

To retrofit the dissociated heavy oil+diesel oil burner into oil (heavy /diesel oil) gas (natural gas) dual-function dissociated burner, enabling the use of natural gas for combustion

There is gas supply at the customer's construction site. The price of gas is more reasonable than that of diesel and it is more environmentally friendly.

2)Russia Burner Retrofit

The natural gas burner and valve groups of #1226 has been adopted for natural gas burner retrofitting of #815

Heavy Oil Burner Retrofitting

1.F Model dissociated and MBR Model monoblock burners (diesel oil only or diesel oil+natural gas) can be retrofitted. Specific models are as follow：

FL2800、FL2500、FL1600、FL1500、FL1000、FL750、

FLG2800、FLG2500、FLG1600、FLG1500、FLG1000、FLG750、

MBRL2800、MBRL2500、MBRL1600、MBRL1500、MBRL1000、MBRL750、

MBRLG2800、MBRLG2500、MBRLG1600、MBRLG1500、MBRLG1000、MBRLG750

2.Configuration

No.	Item	Qty.	Note
1	LPM heavy/diesel oil gun	1
2	RJ heavy oil heat exchanger	1
3	Heat exchanger oil inlet pipeline	1
4	Retrofit accessories	1	Incl. control system parts and pneumatic parts
5	Heavy oil tank with accessories of heavy oil main pipeline	1	Optional

3.Schematic Diagram

MBR-L Monoblock Burner

MBR-OL Monoblock Burner

Heavy/diesel oil gun

RJ heavy oil heat exchanger + oil inlet pipelines

4.Parameters of Heavy Oil Burner

Model	Power ( Kw/max)	Heavy Oil（NAFTA）			Booster pump power
		Max. fuel consumption(㎏/h)	Calorific value( KJ/Kg)	Pressure (bar)
F/MBR-OL-2800	30000	2700	40190	28	11kw
F/MBR-OL-2500	26700	2400	40190	28	11kw
F/MBR-OL-1600	17900	1600	40190	28	7.5KW
F/MBR-OL-1500	13400	1200	40190	28	5.5KW
F/MBR-OL-1000	11200	1000	40190	28	4.0kw
F/MBR-OL-750	8900	800	40190	28	4.0kw

Model	Power ( Kw/max)	Heavy Oil（NAFTA）			Booster pump power
		Max. fuel consumption(㎏/h)	Calorific value( KJ/Kg)	Pressure (bar)
F/MBR-OL-2800	30000	2700	40190	28	11kw
F/MBR-OL-2500	26700	2400	40190	28	11kw
F/MBR-OL-1600	17900	1600	40190	28	7.5KW
F/MBR-OL-1500	13400	1200	40190	28	5.5KW
F/MBR-OL-1000	11200	1000	40190	28	4.0kw
F/MBR-OL-750	8900	800	40190	28	4.0kw

5.Project Case

Multi-project burner retrofits in Russia
Change from diesel to heavy oil burner by ordering the main gun, heat exchanger and related accessories, thus enabling the heavy oil combustion while saving costs.

Coal Dust Burner Retrofitting

1.When the customer only uses coal powder as fuel, the entire burner and control system need to be replaced.

2.Configuration

No.	Item	Qty.	Note
1	Coal dust burner main unit	1
2	Coal pulverizer	1or 2	Configure as per burner model
3	Ignition orifice	1
4	Dryer drum retrofit	1
5	Control cabin	1
6	Automatic coal feeding system	1	Optional

3.Schematic Diagram

4.Parameters of Coal Dust Burner（may be varied from case to case）

Asphalt mixing plant model	Coal dust burner main unit	Coal pulverizer	Ignition orifice	Automatic coal feeding system	Control cabin	Note
1000	MFR1500	FMJ120 55Kw	Two layers of refractory bricks	6m³coal bin+screw conveyor	Independent control cabin	PM105
1500	MFR2000	2台，FMJ80 30Kw				PM125
2000	MFR2000a	2台，FMJ80 45Kw				PM160
3000	LT3000	2台，FMJ120 55Kw		8m³coal bin+screw conveyor

5.Project Case

India #1859 Burner Retrofit

Enable using coal as fuel only while lowering costs

Delivered and used with DG3000 asphalt mixing plant

Oil/Coal Dust Burner Retrofitting

When customers use multiple fuels such as coal dust and oil, the entire burner and control system need to be replaced. Due to different sources of coal dust, there are many options for the coal supply system: 1) Raymond mill pulverizing system; 2) Use of finished coal dust (there need to be a finished coal dust manufacturer nearby)

Note：During renovation, need to verify the specific layout of the aggregate elevator and dryer drum.

Oil/Coal Burner + Raymond Mill Pulverizing System：

1.Configuration：

No.	Item	Qty.	Note
1	Burner main unit	1	Oil and coal, with stainless steel combustion chamber
2	Raymond mill pulverizing system	1
3	Coal dust temporary storage bin	1
4	Dryer drum retrofit	1
5	Control cabin	1
6	Oil supply system	1
7	Air compressor	1
8	Automatic coal supply system（coal bin + belt conveyor + iron remover）	1	选配Optional

2.Schematic Diagram

3.Parameters of Oil/Coal Burner（may be varied from case to case）

Asphalt mixing plant model	Burner main unit	Raymond mill pulverizing system	Coal dust temporary storage bin	Automatic coal supply system	Control cabin	Oil supply system	Air compressor
1000	1000oil/coal	3R3016 30kw	3m³	4m³4m³ coal bin + belt conveyor + iron remover	Independent control cabin	1.5kw	>1.5m³/min 压力0.8Mpa
1500	1500oil/coal	4R3019 30kw	3m³			1.5kw	>2m³/min 压力0.8Mpa
2000	2000oil/coal	4R3216 37kw	5m³			2.2kw	>3m³/min 压力0.8Mpa
3000	3000oil/coal	5R4119 75kw	5m³			3kw	>3.5m³/min 压力0.8Mpa

Raymond Mill Pulverizing System Configuration

Raymond mill pulverizing system	Raymond mill main unit	Powder separator	Powder collector	Pulse bag filter	Exhaust fan
3R3016	30kw	3kw	Yes	2.2kw	22kw
4R3019	30kw	4kw		2.2kw	22kw
4R3216	37kw	5.5kw		3kw	30kw
5R4119	75kw	75kw		5.5kw	75kw

4.Project Case

India #1916 Burner Retrofit

Save costs, flexible and versatile.

This project was affected by the Covid. The remote guidance provided by D&G engineers ensured successful installation and commissioning at job site.

Oil/Coal Burner +Finished Coal Dust Feeding System

1.Configuration：

No.	Item	Qty.	Note
1	Burner main unit	1	Oil and coal, with stainless steel combustion chamber
2	Coal dust bin	1	30-100m³
3	Coal supply system	1
4	Roots fan	1
5	Dryer drum retrofit	1
6	Control cabin	1
7	Oil supply system	1
8	Air compressor	1

Note: Nitrogen and firefighting equipment required

2.Schematic Diagram

3.Parameters of Oil/Coal Burner（may be varied from case to case）

Asphalt mixing plant model	Burner main unit	Coal dust bin	Coal supply system	Roots fan	Control cabin	Oil supply system	Air compressor
1000	1000oil/coal	30m³	Feeder 1.1kw	7.5kw	Independent control cabin	1.5kw	>1.5m³/min 压力0.8Mpa
1500	1500oil/coal	30m³	喂料器Feeder 1.1kw	11kw		1.5kw	>2m³/min 压力0.8Mpa
2000	2000oil/coal	50m³	喂料器Feeder1.5kw	15kw		2.2kw	>3m³/min 压力0.8Mpa
3000	3000oil/coal	50m³	喂料器Feeder 1.5kw	18.5kw		3kw	>3.5m³/min 压力0.8Mpa

4.Project Case Photos：

5.In the case of oil, gas and coal multi-purpose burner retrofitting, replace the burner main unit with an oil, gas and coal multi-purpose burner based on the oil and coal burner retrofitting plan, and add natural gas control valve groups and pipelines.

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