CN109489415A - Self-loopa roll body combustion gas steel band type radiation furnace heating system - Google Patents
Self-loopa roll body combustion gas steel band type radiation furnace heating system Download PDFInfo
- Publication number
- CN109489415A CN109489415A CN201910030155.2A CN201910030155A CN109489415A CN 109489415 A CN109489415 A CN 109489415A CN 201910030155 A CN201910030155 A CN 201910030155A CN 109489415 A CN109489415 A CN 109489415A
- Authority
- CN
- China
- Prior art keywords
- gas
- combustion air
- tube
- total pipeline
- combustion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/36—Arrangements of heating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/36—Arrangements of heating devices
- F27B2009/3684—Combustion within a combustion chamber with outlets in the kiln chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/36—Arrangements of heating devices
- F27B2009/3692—The charge containing combustible materials
Abstract
The invention discloses a kind of self-loopa roll body combustion gas steel band type radiation furnace heating system, it is arranged on furnace body, including several gas fired radiant tubes, gas supply system, combustion air supply system；The upper and lower of the steel band of horizontal in burner hearth of the furnace body is spaced is arranged in a row in the lateral direction several gas fired radiant tubes respectively；Gas supply system includes gas main road, several branch gas tube roads；The side or top of furnace body is arranged in gas main road；Branch gas tube road one end is connected to gas fired radiant tubes air inlet, and the other end is connected to gas main road；Combustion air supply system includes combustion air total pipeline, several combustion air branch pipe(tube)s；The side or top of furnace body is arranged in combustion air total pipeline；Combustion air branch pipe(tube) one end is connected to gas fired radiant tubes air inlet, and the other end is connected to combustion air total pipeline；Further improvement lies in that: it is equipped with combustion air preheating structure.Homogeneous heating of the present invention, heating efficiency is high, and low energy consumption.
Description
Technical field
The present invention relates to a kind of powder metallurgy industry technical field more particularly to a kind of roll body combustion gas steel band type heating furnaces.
Background technique
Miberal powder, iron scale etc. can be heated using steel strip heating furnace, produce sponge iron, existing steel strip heating furnace is in furnace
Burner is set on the side wall of body, and burner flame into burner hearth of the furnace body heats raw material, the major defect of this heating system
Be: heating is uneven, and heating efficiency is low, and energy consumption is high.
Summary of the invention
Heating uniformity can be significantly improved in view of the deficiencies of the prior art, the present invention proposes a kind of, significantly improves heating effect
Rate substantially reduces the self-loopa roll body combustion gas steel band type radiation furnace heating system of energy consumption.
The present invention is achieved through the following technical solutions technical goal.
Self-loopa roll body combustion gas steel band type radiation furnace heating system, is arranged on the horizontal furnace body in left and right, improves
Place is: including several gas fired radiant tubes, gas supply system, combustion air supply system；Several described gas-fired radiations
The upper and lower of the steel band of horizontal in burner hearth of the furnace body is spaced is arranged in a row in the lateral direction pipe respectively；The gas fired radiant tubes two
End is supported on burner hearth of the furnace body side wall；The gas supply system includes gas main road, several branch gas tube roads；The coal
The side or top of furnace body is arranged in gas total pipeline；Branch gas tube road one end is connected to gas fired radiant tubes air inlet, another
End is connected to gas main road；The combustion air supply system includes combustion air total pipeline, several combustion air branch pipe(tube)s；It is described
The side or top of furnace body is arranged in combustion air total pipeline；Combustion air branch pipe(tube) one end and gas fired radiant tubes air inlet connect
Logical, the other end is connected to combustion air total pipeline.
In above structure, the combustion air total pipeline is externally provided with outer tube, forms jacket type multiple tube, useless equipped with several
Gas bleeder road, exhaust gas bleeder road one end are connected to gas fired radiant tubes exhaust outlet, and the other end is connected to outer tube,
Form combustion air preheating structure.
In above structure, the outer tube, combustion air total pipeline jacket type multiple tube be opening towards a left side or towards right, up and down
The outer wall of the U-shaped structure of arrangement, the combustion air total pipeline is equipped with spiral aviation baffle；The outer tube, combustion air total pipeline
A root canal is closed at one end in U-shaped opening below jacket type multiple tube, above in a root canal combustion air total pipeline in U-shaped opening one
End is equipped with air inlet, and outer tube is equipped with exhaust outlet on the tube wall close to U-shaped opening one end.
In above structure, the gas fired radiant tubes are M shape.
Compared with prior art, the present invention having the positive effect that:
1. the upper and lower of the steel band of horizontal in burner hearth of the furnace body is spaced lines up in the lateral direction several gas fired radiant tubes respectively
One row supplies coal gas, combustion air to gas fired radiant tubes by gas supply system, combustion air supply system, to steel band in burner hearth
On the mixture of miberal powder, coal dust etc. heated, generate coal gas, coal gas spontaneous combustion at high temperature, further to steel band in burner hearth
On the mixture of miberal powder, coal dust etc. heated, it is clear that heating method of the invention make in burner hearth it is either longitudinal still
Left and right laterally all very uniformly, significantly improves heating uniformity, significantly improves heating efficiency, substantially reduce energy consumption.
2. combustion air total pipeline is externally provided with outer tube, jacket type multiple tube is formed, is equipped with several exhaust gas bleeders
Road, exhaust gas bleeder road one end are connected to gas fired radiant tubes exhaust outlet, and the other end is connected to outer tube, form combustion air preheating
Structure further increases efficiency of combustion thus it is possible, on the one hand, preheating to combustion air, and on the other hand, effective use discharge is useless
The waste heat of gas, it is energy-saving.
3. the jacket type multiple tube of outer tube, combustion air total pipeline is opening towards a left side or towards right, U-shaped knot arranged up and down
The outer wall of structure, combustion air total pipeline is equipped with spiral aviation baffle, increases the heat exchange stroke of combustion air, further increases combustion air
Heat exchange efficiency.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Fig. 2 is A-A cross-sectional view in Fig. 1.
Fig. 3 is B-B sectional view in Fig. 1.
Fig. 4 is that gas fired radiant tubes are mounted on the structural schematic diagram on furnace body in the present invention.
Specific embodiment
The invention will be further described below according to attached drawing and in conjunction with the embodiments.
The combustion gas steel band type radiation furnace heating system of self-loopa roll body shown in attached drawing, is arranged in the horizontal furnace body 7 in left and right
On, including several gas fired radiant tubes 8, gas supply system, combustion air supply system are (in the present embodiment, equipped with 20 combustion gas
Radiant tube 8), in the present embodiment, gas fired radiant tubes 8 are M shape；Several gas fired radiant tubes 8 horizontal in 7 burner hearth of furnace body respectively
The upper and lower of steel band 9 is spaced is arranged in a row in the lateral direction；8 two supports of gas fired radiant tubes are on 7 burner hearth sidewall of furnace body；Coal
Gas supply system includes gas main road 21.1, several branch gas tube roads 21.2；Furnace body 7 is arranged in gas main road 21.1
Side or top；21.2 one end of branch gas tube road is connected to 8 air inlet of gas fired radiant tubes, and the other end and gas main road 21.1 connect
It is logical；Combustion air supply system includes combustion air total pipeline 27.1, several combustion air branch pipe(tube)s 21.2；Combustion air total pipeline 27.1
The side (in other embodiments, the top of furnace body 7 is arranged in combustion air total pipeline 27.1) of furnace body 7 is set；Combustion air branch pipe
21.2 one end of road is connected to 8 air inlet of gas fired radiant tubes, and the other end is connected to combustion air total pipeline 27.1.
Combustion air total pipeline 27.1 is externally provided with outer tube 27.3, forms jacket type multiple tube, is equipped with several exhaust gas and discharges
Branch pipe(tube) 27.4,27.4 one end of exhaust gas bleeder road are connected to 8 exhaust outlet of gas fired radiant tubes, and the other end and outer tube 27.3 connect
It is logical, form combustion air preheating structure.
Outer tube 27.3, combustion air total pipeline 27.1 jacket type multiple tube be opening towards a left side or towards right, U arranged up and down
The outer wall of shape structure, combustion air total pipeline 27.1 is equipped with spiral aviation baffle 27.5；Outer tube 27.3, combustion air total pipeline 27.1
A root canal is closed at one end in U-shaped opening below jacket type multiple tube, above in a root canal combustion air total pipeline 27.1 opened in U-shaped
Mouth one end is equipped with air inlet, and outer tube 27.3 is equipped with exhaust outlet on the tube wall close to U-shaped opening one end.
Claims (4)
1. a kind of self-loopa roll body combustion gas steel band type radiation furnace heating system, is arranged on the horizontal furnace body in left and right (7),
It is characterized in that: including several gas fired radiant tubes (8), gas supply system, combustion air supply systems；Several described combustion gas spokes
Penetrating pipe (8), the upper and lower of the steel band (9) of horizontal in furnace body (7) burner hearth is spaced is arranged in a row in the lateral direction respectively；It is described
Gas fired radiant tubes (8) two supports are on furnace body (7) burner hearth sidewall；The gas supply system includes gas main road
(21.1), several branch gas tube roads (21.2)；The gas main road (21.1) is arranged in the side or top of furnace body (7)；
Described branch gas tube road (21.2) one end is connected to gas fired radiant tubes (8) air inlet, and the other end and gas main road (21.1) are even
It is logical；The combustion air supply system includes combustion air total pipeline (27.1), several combustion air branch pipe(tube)s (21.2)；It is described combustion-supporting
Wind total pipeline (27.1) is arranged in the side or top of furnace body (7)；Described combustion air branch pipe(tube) (21.2) one end and gas-fired radiation
The connection of (8) air inlet is managed, the other end is connected to combustion air total pipeline (27.1).
2. self-loopa roll body combustion gas steel band type radiation furnace heating system according to claim 1, it is characterised in that: institute
It states combustion air total pipeline (27.1) to be externally provided with outer tube (27.3), forms jacket type multiple tube, be equipped with several exhaust gas discharge branch
Pipeline (27.4), exhaust gas bleeder road (27.4) one end are connected to gas fired radiant tubes (8) exhaust outlet, the other end and housing
(27.3) connection is managed, combustion air preheating structure is formed.
3. self-loopa roll body combustion gas steel band type radiation furnace heating system according to claim 2, it is characterised in that: institute
State outer tube (27.3), the jacket type multiple tube of combustion air total pipeline (27.1) is opening towards a left side or towards right, U-shaped arranged up and down
The outer wall of structure, the combustion air total pipeline (27.1) is equipped with spiral aviation baffle (27.5)；The outer tube (27.3), combustion air
A root canal is closed at one end in U-shaped opening below the jacket type multiple tube of total pipeline (27.1), above in a root canal combustion air it is total
Pipeline (27.1) is equipped with air inlet, outer tube (27.3) row of being equipped on the tube wall close to U-shaped opening one end in U-shaped opening one end
Port.
4. self-loopa roll body combustion gas steel band type radiation furnace heating system according to claim 3, it is characterised in that: institute
Stating gas fired radiant tubes (8) is M shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910030155.2A CN109489415A (en) | 2019-01-14 | 2019-01-14 | Self-loopa roll body combustion gas steel band type radiation furnace heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910030155.2A CN109489415A (en) | 2019-01-14 | 2019-01-14 | Self-loopa roll body combustion gas steel band type radiation furnace heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109489415A true CN109489415A (en) | 2019-03-19 |
Family
ID=65714539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910030155.2A Pending CN109489415A (en) | 2019-01-14 | 2019-01-14 | Self-loopa roll body combustion gas steel band type radiation furnace heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109489415A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111235572A (en) * | 2020-01-17 | 2020-06-05 | 黄山诺帆科技装备制造有限公司 | Enamel, non-stick and gas radiation heating furnace |
| CN111872412A (en) * | 2020-07-30 | 2020-11-03 | 钢研晟华科技股份有限公司 | Preparation method of metal iron powder for powder metallurgy |
-
2019
- 2019-01-14 CN CN201910030155.2A patent/CN109489415A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111235572A (en) * | 2020-01-17 | 2020-06-05 | 黄山诺帆科技装备制造有限公司 | Enamel, non-stick and gas radiation heating furnace |
| CN111872412A (en) * | 2020-07-30 | 2020-11-03 | 钢研晟华科技股份有限公司 | Preparation method of metal iron powder for powder metallurgy |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190319 |