CN205774662U - A kind of strip steel continuous gas radiant tubes furnace with automatic fast cooling device - Google Patents
A kind of strip steel continuous gas radiant tubes furnace with automatic fast cooling device Download PDFInfo
- Publication number
- CN205774662U CN205774662U CN201620470662.XU CN201620470662U CN205774662U CN 205774662 U CN205774662 U CN 205774662U CN 201620470662 U CN201620470662 U CN 201620470662U CN 205774662 U CN205774662 U CN 205774662U
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- Prior art keywords
- combustion air
- electromagnetic valve
- gas
- pipeline
- heater
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- Expired - Fee Related
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- 238000001816 cooling Methods 0.000 title claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 17
- 239000010959 steel Substances 0.000 title claims abstract description 17
- 238000002485 combustion reaction Methods 0.000 claims abstract description 52
- 239000007789 gas Substances 0.000 claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 239000000567 combustion gas Substances 0.000 claims abstract description 10
- 239000000779 smoke Substances 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 3
- 238000000137 annealing Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
Landscapes
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
A kind of strip steel continuous gas radiant tubes furnace with automatic fast cooling device of this utility model, there is strip steel continuous gas radiant tubes furnace body of heater, heater is set in body of heater, heater is connected with heating controller, heater is to be made up of the U-shaped radial canal of several combustion gas, the U-shaped radial canal of each combustion gas is all connected with gas pipeline and combustion air pipeline, combustion air pipeline front end sets combustion air electromagnetic valve A, combustion air electromagnetic valve A side sets the side pipeline being in parallel with combustion air electromagnetic valve A, combustion air electromagnetic valve B and heat exchanger is set on side pipeline, combustion air electromagnetic valve A and combustion air electromagnetic valve B is all connected with heating controller；This utility model simple in construction, easy to use, cooling rate is fast, and this cooling method is 2 times of tradition cooling method, is greatly shortened temperature fall time.
Description
Technical field
This utility model relates to strip steel continuous gas radiant tubes furnace apparatus field, a kind of strip steel continuous gas radiant tubes furnace with automatic fast cooling device.
Background technology
Continuous strip annealing furnace is substantially divided into two types, i.e. horizontal chamber furnace (oven) and vertical heater.By transmitting the conveying of equipment, the strip steel of expansion completes heating, soaking (reduction or decarburization) and the whole heat treatment process of cooling in stove.For avoiding strip steel to produce high-temperature oxydation in stove, the internal hermetic seal of burner hearth, annealing furnace heating is general uses gas fired radiant tubes heating, and annealing furnace all uses refractory brick, refractory fibre etc. to make liner, and thermal inertia is little, and heat loss is few, and furnace temperature is mostly at 700～900 DEG C；As annealing furnace blowing out or conversion metrics need cooling, normal conditions are taked to stop heating, in stove, add nitrogen lower the temperature, the unit even having takes treadbelt steel to be walked by the stove interior-heat band of gas, this tradition cool-down method cooling rate is 100～150 DEG C/h, and it is slow that these methods exist cooling, consumes nitrogen, the shortcomings such as cost is high, time-consuming.So, for whole unit, annealing furnace cooling is slow, and the process energy consumption causing unit is high.
Summary of the invention
The purpose of this utility model is aiming at disadvantage mentioned above and improves, it is provided that simple in construction, easy to use, and cooling is quick, time saving a kind of strip steel continuous gas radiant tubes furnace with automatic fast cooling device.
nullA kind of strip steel continuous gas radiant tubes furnace with automatic fast cooling device of this utility model，There is strip steel continuous gas radiant tubes furnace body of heater，Heater it is provided with in body of heater，Heater is connected with heating controller，Described heater is to be made up of the U-shaped radial canal of several combustion gas，The U-shaped radial canal of each combustion gas is all connected with gas pipeline and combustion air pipeline，Gas pipeline is provided with ball valve、Gas header pipe stop valve、Pressure maintaining valve、Gas electromagnetic valve，The head end of combustion air pipeline is provided with combustion fan，Tail end is provided with smoke exhaust fan，Combustion air pipeline is provided with compensator、Ball valve、Hand-operated butterfly valve，It is characterized in that: be provided with combustion air electromagnetic valve A in the front end of combustion air pipeline，Combustion air electromagnetic valve A side is provided with the side pipeline being in parallel with combustion air electromagnetic valve A，Side pipeline is provided with combustion air electromagnetic valve B and heat exchanger，Combustion air electromagnetic valve A and combustion air electromagnetic valve B is all connected with heating controller.
Described heating controller is PID controller.
This utility model simple in construction, easy to use, cooling rate is fast, and this cooling method is 2 times of tradition cooling method, is greatly shortened temperature fall time.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation.
In figure: 1-body of heater, the U-shaped radial canal of 2-combustion gas, 3-gas pipeline, 4-combustion air pipeline, 5-ball valve, 6-gas header pipe stop valve, 7-pressure maintaining valve, 8-gas electromagnetic valve, 9-combustion fan, 10-smoke exhaust fan, 11-compensator, 12-Hand-operated butterfly valve, 13-combustion air electromagnetic valve A, 14-side pipeline, 15-combustion air electromagnetic valve B, 16-heat exchanger.
Detailed description of the invention
nullSee Fig. 1，A kind of strip steel continuous gas radiant tubes furnace with automatic fast cooling device of this utility model，There is strip steel continuous gas radiant tubes furnace body of heater 1，Heater it is provided with in body of heater，Heater is connected with heating controller，Described heater is to be made up of the U-shaped radial canal of several combustion gas 2，The U-shaped radial canal of each combustion gas is all connected with gas pipeline 3 and combustion air pipeline 4，Gas pipeline is provided with ball valve 5、Gas header pipe stop valve 6、Pressure maintaining valve 7、Gas electromagnetic valve 8，The head end of combustion air pipeline is provided with combustion fan 9，Tail end is provided with smoke exhaust fan 10，Combustion air pipeline is provided with compensator 11、Ball valve、Hand-operated butterfly valve 12，Combustion air electromagnetic valve A13 it is provided with in the front end of combustion air pipeline，Combustion air electromagnetic valve A side is provided with the side pipeline 14 being in parallel with combustion air electromagnetic valve A，Side pipeline is provided with combustion air electromagnetic valve B15 and heat exchanger 16，Combustion air electromagnetic valve A and combustion air electromagnetic valve B is all connected with heating controller.Automatically fast cooling principle is as follows: combustion fan cold air is passed through radial canal and misfires, combustion air control line of electromagnetic valve and burner controller firing command are connected together, and is closed by natural gas main stop valve；Smoke exhaust fan and combustion fan normally being started, and set pressure on request, combustion air manifold pressure is 8KPa, and smoke evacuation house steward's negative pressure is-0.5KPa；Set temperature value is set lower than actual temperature value, and switch to automatic control mode, now PLC will control each district burner controller, burner controller only opens combustion air electromagnetic valve, closing gas electromagnetic valve, combustion air, through heat exchanger, makes combustion air become cold air and blows into the U-shaped radial canal of each combustion gas, and discharge from smoke exhaust fan, and reach fast cooling purpose；This fast cooling speed can reach 300～400 DEG C/h, and this cooling method is 2 times of tradition cooling method, is greatly shortened temperature fall time.
Claims (2)
- null1. the strip steel continuous gas radiant tubes furnace with automatic fast cooling device，There is strip steel continuous gas radiant tubes furnace body of heater，Heater it is provided with in body of heater，Heater is connected with heating controller，Described heater is to be made up of the U-shaped radial canal of several combustion gas，The U-shaped radial canal of each combustion gas is all connected with gas pipeline and combustion air pipeline，Gas pipeline is provided with ball valve、Gas header pipe stop valve、Pressure maintaining valve、Gas electromagnetic valve，The head end of combustion air pipeline is provided with combustion fan，Tail end is provided with smoke exhaust fan，Combustion air pipeline is provided with compensator、Ball valve、Hand-operated butterfly valve，It is characterized in that: be provided with combustion air electromagnetic valve A in the front end of combustion air pipeline，Combustion air electromagnetic valve A side is provided with the side pipeline being in parallel with combustion air electromagnetic valve A，Side pipeline is provided with combustion air electromagnetic valve B and heat exchanger，Combustion air electromagnetic valve A and combustion air electromagnetic valve B is all connected with heating controller.
- A kind of strip steel continuous gas radiant tubes furnace with automatic fast cooling device the most according to claim 1, it is characterised in that: described automatic controller is PID controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620470662.XU CN205774662U (en) | 2016-05-23 | 2016-05-23 | A kind of strip steel continuous gas radiant tubes furnace with automatic fast cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620470662.XU CN205774662U (en) | 2016-05-23 | 2016-05-23 | A kind of strip steel continuous gas radiant tubes furnace with automatic fast cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205774662U true CN205774662U (en) | 2016-12-07 |
Family
ID=58115719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620470662.XU Expired - Fee Related CN205774662U (en) | 2016-05-23 | 2016-05-23 | A kind of strip steel continuous gas radiant tubes furnace with automatic fast cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205774662U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113358299A (en) * | 2021-05-13 | 2021-09-07 | 武汉钢铁有限公司 | Rapid detection method for breakage of radiant tube of cold rolling continuous annealing furnace |
-
2016
- 2016-05-23 CN CN201620470662.XU patent/CN205774662U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113358299A (en) * | 2021-05-13 | 2021-09-07 | 武汉钢铁有限公司 | Rapid detection method for breakage of radiant tube of cold rolling continuous annealing furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20180523 |