CN203479026U - Fuel gas heating furnace system - Google Patents
Fuel gas heating furnace system Download PDFInfo
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- CN203479026U CN203479026U CN201320509788.XU CN201320509788U CN203479026U CN 203479026 U CN203479026 U CN 203479026U CN 201320509788 U CN201320509788 U CN 201320509788U CN 203479026 U CN203479026 U CN 203479026U
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- steam
- heating furnace
- steam pipe
- pipe oven
- gas
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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Abstract
The utility model discloses a fuel gas heating furnace system which comprises a waste heat boiler, a steam heating furnace and a turbine. The waste heat boiler conveys saturated steam to the steam heating furnace through a steam pipeline, the saturated steam is heated by the steam heating furnace to be superheated steam, and the superheated steam is conveyed to the turbine to conduct power generation. According to the fuel gas heating furnace system, after the saturated steam generated by the steel-making waste heat boiler is heated by the heating furnace, the temperature quality of steam can be ensured, the steam is fed into the turbine to conduct power generation, the performance is stable and reliable, and the phenomenon that the steam is wasted cannot occur. The surplus steam generated by steel making is fully recycled, and the aims of saving energy, reducing emission and optimally utilizing resources are achieved. The superheated steam is fed into the turbine, a waste heat generator set reaches full loads to generate power, and the generator set can fully utilize energy.
Description
Technical field
The utility model belongs to waste heat recycling field, is specifically related to a kind of gas heating furnace system.
Background technology
At present, steel enterprise sintering cogeneration engineering is the Waste Heat Power Station that utilizes sintered production line central cooler residual heat resources to build, and its design scale is 400m
2, 265m
2each of sintering circular-cooler waste heat boiler; The steam-electric power that utilizes waste heat boiler to produce.Unit operation is parameter (1.5-1.85) MPa, (350-380) ℃ low-pressure superheated steam generating set.Due to sintering 265m
3central cooler operating condition is unstable, 250 ℃-350 ℃ of the frequent running temperatures of ring cold machine smoke hood place waste gas (flue gas) temperature, and now waste gas (flue gas) temperature is not enough to steam to produce the degree of superheat, causes a large amount of saturated vapor discharges.Do not reach the object of energy-saving and emission-reduction and optimizing network resource utilization.
Utility model content
The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, a kind of gas heating furnace system is provided, this heating furnace heats saturated vapor, steam is reached after the corresponding degree of superheat and send into steam turbine acting generating, to reach the object of energy-saving and emission-reduction and optimizing network resource utilization.
For achieving the above object, the technical solution adopted in the utility model is: comprise waste heat boiler, steam pipe oven and steam turbine; Waste heat boiler is transported to saturated vapor in steam pipe oven by jet chimney, and steam pipe oven heats saturated vapor, becomes superheated steam, and superheated steam is delivered to steam turbine generates electricity.
Described steam pipe oven comprises burner hearth, and the superheater and the air preheater that are arranged on burner hearth inside; Superheater is heat exchange pipeline, and one end of this heat exchange pipeline passes into saturated vapor, and saturated vapor heats in superheater, becomes superheated steam, and superheated steam exports steam turbine to from the heat exchange pipeline other end; Gas entry is offered in the bottom of steam pipe oven, and air blast is sent into air in air preheater and carried out preheating, and the air after preheating enters in steam pipe oven and burns from gas entry after mixing with coal gas, and superheater is heated; The top of steam pipe oven is provided with the chimney for combustion gas.
Between described steam pipe oven and steam turbine, be provided with and cylinder; From waste heat boiler saturated vapor out, be divided into two-way ，Yi road and be transported to steam pipe oven, after another road and superheated steam converge, be transported to and cylinder in, then by and cylinder be transported in steam turbine acting generating.
On described steam pipe oven, be also provided with circulating fan, circulating fan extracts low temperature waste gas from chimney and sends in the burner hearth of steam pipe oven, and the temperature in burner hearth is controlled.
On described steam pipe oven, be also provided with the MFT protection system of quick closedown fuel valve when catastrophic failure.
On described steam pipe oven, be also provided with for observing steam pipe oven operational factor to adjust its operating condition instrument system and automatic control control system.
Compared with prior art, the utlity model has following beneficial effect:
The saturated vapor that the utility model is produced steel-making waste heat boiler, after heating furnace is overheated, can be guaranteed the temperature quality of steam, and sends into steam turbine power generation, stable and reliable for performance, can not produce the phenomenon of waste of steam.The residue steam that steel-making produces is all recycled, and reaches the object of energy-saving and emission-reduction and optimizing network resource utilization.Superheated steam is sent in steam turbine, makes cogeneration unit reach generating at full capacity, and generating set can be utilized fully to the energy.
Accompanying drawing explanation
Fig. 1 is the flow chart that the utility model utilizes waste heat boiler;
Fig. 2 is system architecture schematic diagram of the present utility model.
Wherein: 1 is steam pipe oven; 2 is superheater; 3 is gas entry; 4 is air preheater; 5 is chimney; 6 is circulating fan; 7 is air blast; 8 are and cylinder.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Referring to Fig. 1 and Fig. 2, the utility model comprises waste heat boiler, steam pipe oven 1 and steam turbine; Waste heat boiler is transported to saturated vapor in steam pipe oven 1 by jet chimney, and steam pipe oven 1 comprises burner hearth, and the superheater 2 and the air preheater 4 that are arranged on burner hearth inside; Superheater 2 is heat exchange pipeline, and one end of this heat exchange pipeline passes into saturated vapor, and saturated vapor, in the interior heating of superheater 2, becomes superheated steam, and superheated steam exports steam turbine 2 to from the heat exchange pipeline other end; Gas entry 3 is offered in the bottom of steam pipe oven 1, and air blast 7 is sent into air in air preheater 4 and carried out preheating, after the air after preheating mixes with coal gas, from gas entry 3, enters in steam pipe oven 1 and burns, and superheater 2 is heated; The top of steam pipe oven 1 is provided with the chimney 5 for combustion gas.The heating of the 1 pair of saturated vapor of steam pipe oven, becomes superheated steam, and superheated steam is delivered to steam turbine generates electricity.Between steam pipe oven 1 and steam turbine, be provided with and cylinder 8; From waste heat boiler saturated vapor out, be divided into two-way ，Yi road and be transported to steam pipe oven 1, after another road and superheated steam converge, be transported to and cylinder 8 in, then by and cylinder 8 be transported to the interior acting of steam turbine 2 and generate electricity.On steam pipe oven 1, be also provided with circulating fan 6, circulating fan 6 extracts low temperature waste gas from chimney 5 and sends in the burner hearth of steam pipe oven 1, and the temperature in burner hearth is controlled.On steam pipe oven 1, be also provided with the MFT protection system of quick closedown fuel valve when catastrophic failure.On steam pipe oven 1, be also provided with for observing steam pipe oven 1 operational factor to adjust its operating condition instrument system and automatic control control system.
Principle of the present utility model:
(1) saturated vapor of production is sent into heating furnace, by superheater absorb blast furnace gas combustion liberated heat by saturated vapor send into steam turbine power generation be superheated to (1.5-1.85) MPa, (350-380) ℃ in heating furnace after.
(2) at 265m
2sintering circular-cooler waste heat boiler, to the place's perforate of steam turbine factory building jet chimney, by designing another root jet chimney to heating furnace, when steam reaches after qualified quality, is then delivered to steam turbine plant area steam cylinder.
(3) on heating furnace jet chimney, design electrically operated valve, safety valve, when steam does not reach (1.5-1.85) MPa, (350-380) ℃, opening import Electrically operated gate overheated through heating furnace; If when steam reaches (1.5-1.85) MPa, (350-380) ℃, close import Electrically operated gate, from former pipeline, directly enter steam turbine plant area steam cylinder generating.If design outlet Electrically operated gate object directly enters steam turbine plant area steam from former pipeline and understands some and enter heating furnace (preventing that steam from flowing backwards) by outlet Electrically operated gate for reach (1.5-1.85) MPa, (350-380) ℃ when steam.Design safety valve damages jet chimney with timely pressure release for preventing pipeline superpressure.
The course of work of the present utility model:
The saturated vapor that does not reach (1.5-1.85) MPa, (350-380) ℃ is delivered to before heating furnace to import Electrically operated gate by pipeline now to be opened import Electrically operated gate and enters superheated steam header place in heating furnace, through heating furnace, be superheated to the low-pressure superheated steam of (1.5-1.85) MPa, (350-380) ℃, through outlet Electrically operated gate, jet chimney to steam turbine plant area steam cylinder generating.
Claims (6)
1. a gas heating furnace system, is characterized in that: comprise waste heat boiler, steam pipe oven (1) and steam turbine; Waste heat boiler is transported to saturated vapor in steam pipe oven (1) by jet chimney, and steam pipe oven (1), to saturated vapor heating, becomes superheated steam, and superheated steam is delivered to steam turbine generates electricity.
2. gas heating furnace system according to claim 1, is characterized in that: described steam pipe oven (1) comprises burner hearth, and the superheater (2) and the air preheater (4) that are arranged on burner hearth inside; Superheater (2) is heat exchange pipeline, and one end of this heat exchange pipeline passes into saturated vapor, and saturated vapor heats in superheater (2), becomes superheated steam, and superheated steam exports steam turbine (2) to from the heat exchange pipeline other end; Gas entry (3) is offered in the bottom of steam pipe oven (1), air blast (7) is sent into air in air preheater (4) and is carried out preheating, after air after preheating mixes with coal gas, from gas entry (3), enter in steam pipe oven (1) and burn, superheater (2) is heated; The top of steam pipe oven (1) is provided with the chimney (5) for combustion gas.
3. gas heating furnace system according to claim 1 and 2, is characterized in that: between described steam pipe oven (1) and steam turbine, be provided with and cylinder (8); From waste heat boiler saturated vapor out, be divided into two-way ，Yi road and be transported to steam pipe oven (1), after another road and superheated steam converge, be transported to and cylinder (8) in, then by and cylinder (8) be transported to acting generating in steam turbine (2).
4. gas heating furnace system according to claim 3, it is characterized in that: on described steam pipe oven (1), be also provided with circulating fan (6), circulating fan (6) extracts low temperature waste gas from chimney (5) and sends in the burner hearth of steam pipe oven (1), and the temperature in burner hearth is controlled.
5. gas heating furnace system according to claim 3, is characterized in that: the MFT protection system that is also provided with quick closedown fuel valve when catastrophic failure on described steam pipe oven (1).
6. gas heating furnace system according to claim 3, is characterized in that: on described steam pipe oven (1), be also provided with for observing steam pipe oven (1) operational factor to adjust its operating condition instrument system and automatic control control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320509788.XU CN203479026U (en) | 2013-08-20 | 2013-08-20 | Fuel gas heating furnace system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320509788.XU CN203479026U (en) | 2013-08-20 | 2013-08-20 | Fuel gas heating furnace system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203479026U true CN203479026U (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320509788.XU Expired - Lifetime CN203479026U (en) | 2013-08-20 | 2013-08-20 | Fuel gas heating furnace system |
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| CN (1) | CN203479026U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979695A (en) * | 2017-04-07 | 2017-07-25 | 首钢总公司 | A kind of waste heat recovery system of heating furnace |
-
2013
- 2013-08-20 CN CN201320509788.XU patent/CN203479026U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979695A (en) * | 2017-04-07 | 2017-07-25 | 首钢总公司 | A kind of waste heat recovery system of heating furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170821 Address after: 715405 Longmen Town, Hancheng, Shaanxi Patentee after: SHAANXI HUAFU NEW ENERGY Co.,Ltd. Address before: 710018, No. 5, west section, North 2nd Ring Road, Xi'an, Shaanxi, Xi'an Patentee before: SHAANXI IRON AND STEEL (GROUP) Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140312 |
|
| CX01 | Expiry of patent term |