CN105091614A - Steam recycling method - Google Patents
Steam recycling method Download PDFInfo
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- CN105091614A CN105091614A CN201510419619.0A CN201510419619A CN105091614A CN 105091614 A CN105091614 A CN 105091614A CN 201510419619 A CN201510419619 A CN 201510419619A CN 105091614 A CN105091614 A CN 105091614A
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- steam
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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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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a steam recycling method. The method includes an economizer, an evaporator, a steam overheating device and a heat exchanger which are sequentially arranged in a flue of a heating furnace. A softened water tank is connected with the economizer. The economizer is connected with steam pockets. The steam pockets are connected with a steam discharge main pipe through steam discharge branch pipes. The steam discharge main pipe is connected with the steam overheating device arranged in the flue of the heating furnace. The steam overheating device is connected with a hot steam discharge main pipe which is connected with an intelligent power generator set. The intelligent power generator set is connected with an electricity receiving cabinet of the heating furnace and a power network. By means of the steam recycling method, waste heat of smoke of the heating furnace can be utilized to the maximum extent, all steam produced by the heating furnace is used for meeting the production requirements of electricity-consuming devices of the heating furnace, and therefore all the devices of the heating furnace can achieve self-sufficiency of electricity, and safety and reliability are achieved.
Description
Technical field
The present invention relates to a kind of heat recovery field, particularly relate to a kind of method that Steam Recovery utilizes.
Background technology
In industrial furnace field, industrial inner flue gas of the stove is after being arranged on the heat exchanger in flue, and general exhaust gas temperature also has about 400 DEG C, and the waste heat in this part flue gas no longer reclaims usually, and is directly discharged in air, causes the significant wastage of the energy; In industrial furnace field, the supply of electric power of firing equipment is supplied by outer net usually.For large integrated enterprise, the supply of electric power of firing equipment is set to two-way power supply usually, and make a living electrogenesis source in a road, a road is emergency power supply; For little private enterprise, the supply of electric power of firing equipment is usually set to a road and produces power supply, does not arrange emergency power supply.There is potential safety hazard in this, once supply of electric power stops because of fault, high-temperature heating device can be damaged, and serious situation also can be blasted because of combustion gas tempering in the running of firing equipment.
Summary of the invention
Due to the deficiency in technique scheme, the invention provides a kind of recovery utilization rate of steam, and the heating furnace waste heat recovery utilizing the heat reclaimed to carry out generating electricity recycles integrated system.
For achieving the above object, the method that a kind of Steam Recovery of the present invention utilizes, comprise the heat exchanger, steam superheater, evaporimeter and the economizer that are successively set in heating flue, the water inlet of described economizer connects softened water tank by soft water feed pipe, and described soft water feed pipe is provided with feed pump;
Described system also comprises the first drum and the second drum, wherein said first drum and described second drum communicate respectively by the delivery port of pipeline and described economizer, described first drum is communicated respectively by the outlet of the first pipeline group and Vaporizing cooling parts and entrance, described second drum is communicated respectively by the air inlet of second pipe group and described evaporimeter and gas outlet, described first drum and described second drum communicate respectively by vapor discharge channel group and described steam superheater, described steam superheater exports the energy needed for the work of intelligent power generation unit by vapours discharge manifold, described intelligent power generation unit electrical connection electricity consumption group, electricity needed for the work of described electricity consumption group is provided.
Described intelligent power generation unit comprises three generator units.
Described vapor discharge channel comprises the discharge of steam house steward being communicated with described first drum respectively and being all communicated with described second discharge of steam arm with the second discharge of steam arm and described first discharge of steam arm with the first discharge of steam arm of the second drum, and the gas outlet of described discharge of steam house steward is communicated with described steam superheater.
Described first pipeline group comprises the first circulating line of the entrance being communicated with described first drum and described Vaporizing cooling parts, and being communicated with first increase in pipeline of outlet of described first drum and described Vaporizing cooling parts, wherein said first circulating line is provided with the first circulating pump;
Described second pipe group comprises the second circulating line of the air inlet being communicated with described second drum and described evaporimeter, and is communicated with the second increase in pipeline of described second drum and described evaporimeter, and wherein said second circulating line is provided with the second circulating pump.
Described electricity consumption group comprises the powered cabinet of heating furnace and electrical network.
1, the present invention is provided with heat exchanger, steam superheater, evaporimeter and economizer in furnace flue, can utilize the waste heat of flue gas of heating furnace to greatest extent.
2, all steam that heating furnace of the present invention is produced all are used to the generating needs supplying intelligent power generation unit, the electricity that intelligent power generation unit is produced is transported to the powered cabinet of heating furnace, in order to maintain the need of production of heating furnace electrical equipment, thus the electricity consumption of all equipment of heating furnace does not affect by external condition, reach self-sufficiency, safe and reliable.And the electricity that intelligent power generation unit is produced can realize rich electric power when furnace apparatus cannot all consume and plant area's electrical network is grid-connected, to save electric energy.
3, intelligent generator component of the present invention is three generator units, and when heating furnace full production, three generator units start simultaneously, meets the power generation requirements that steam produced by heating furnace; When heating furnace for some reason urgent blowing out time, the quantity of steam that heating furnace produces diminishes, intelligent power generation unit closes down one group or two groups of generator units according to the change of quantity of steam, now, the non-core electrical equipment of heating furnace is closed, steam-electric power amount meets the operation of heating furnace nucleus equipment, to guarantee the safety of heating furnace; Along with the reduction gradually of furnace temp, steam production also reduces gradually, when the quantity of steam that heating furnace produces is not enough to the operation maintaining intelligent power generation unit, close all generator units, now all electrical equipments of heating furnace all quit work, and now, furnace temp is enough low, all electrical equipments are out of service can not constitute a threat to the safety of heating furnace.
Accompanying drawing explanation
Fig. 1 is the flow chart that heating furnace waste heat recovery of the present invention recycles the embodiment of integrated system.
In figure: 1, softened water tank; 2, soft water feed pipe; 3, signal lamp; 4, economizer; 5, flue is heated; 6, evaporimeter; 7, steam superheater; 8, heat exchanger; 9, the first drum; 10, the first circulating pump; 11, the first circulating line; 12, Vaporizing cooling parts; 13, the first increase in pipeline; 14, the second discharge of steam arm; 15, the second drum; 16, the second circulating pump; 17, the second circulating line; 18, the second increase in pipeline; 19, the second discharge of steam arm; 20, discharge of steam house steward; 21, vapours pipeline; 22, intelligent power generation unit; 23, the powered cabinet of heating furnace; 24, electrical network.
Detailed description of the invention
As shown in Figure 1, the method that a kind of Steam Recovery of the present invention utilizes, comprise the heat exchanger 8, steam superheater 7, evaporimeter 6 and the economizer 4 that are successively set in heating flue 5, the water inlet of described economizer connects softened water tank 1 by soft water feed pipe 2, and described soft water feed pipe is provided with feed pump 2;
Described system also comprises the first drum 9 and the second drum 15, wherein said first drum and described second drum communicate respectively by the delivery port of pipeline and described economizer, described first drum is communicated respectively by the outlet of the first pipeline group and Vaporizing cooling parts 12 and entrance, described second drum is communicated respectively by the air inlet of second pipe group and described evaporimeter and gas outlet, described first drum and described second drum communicate respectively by vapor discharge channel group and described steam superheater, described steam superheater exports intelligent power generation unit 22 by vapours discharge manifold 21 and to work required energy, described intelligent power generation unit electrical connection electricity consumption group, electricity needed for the work of described electricity consumption group is provided.Described electricity consumption group comprises the powered cabinet 23 of heating furnace and electrical network 24.
Further, described intelligent power generation unit 22 comprises three generator units, and intelligent power generation unit 22 is divided into three generator units A, B and C, and intelligent power generation unit 22 is connected with electrical network 24 with the powered cabinet 23 of heating furnace.
Especially, described vapor discharge channel comprises the discharge of steam house steward being communicated with described first drum respectively and being all communicated with described second discharge of steam arm with the second discharge of steam arm and described first discharge of steam arm with the first discharge of steam arm of the second drum, and the gas outlet of described discharge of steam house steward is communicated with described steam superheater.
Further, described first pipeline group comprises the first circulating line 11 of the entrance being communicated with described first drum and described Vaporizing cooling parts, and being communicated with first increase in pipeline 13 of outlet of described first drum and described Vaporizing cooling parts, wherein said first circulating line is provided with the first circulating pump 10;
Described second pipe group comprises the second circulating line 17 of the air inlet being communicated with described second drum and described evaporimeter, and being communicated with the second increase in pipeline 18 of described second drum and described evaporimeter, wherein said second circulating line is provided with the second circulating pump 16.
In the present embodiment, economizer 4, evaporimeter 6, steam superheater 7 and heat exchanger 8 is provided with in furnace flue 5, the waste heat in flue gas of heating furnace can be reclaimed to greatest extent, and the fume afterheat of 8 is fully reclaimed by economizer 4, evaporimeter 6 and steam superheater 7 after heat exchanger, produce high-grade superheated steam.
In the present embodiment, the second discharge of steam arm 14 and 19 is passed through by steam Transportation to discharge of steam house steward 20 by the first drum 9 and the second drum 9, discharge of steam house steward 20 is overheated in steam superheater 7 by all steam, the high-grade superheated steam produced is delivered to intelligent power generation unit 22 through superheat steam pipeline 21 and generates electricity, the electricity that intelligent power generation unit 22 is produced is transported to the powered cabinet 23 of heating furnace, the powered cabinet of heating furnace 23 is transported to each electrical equipment of heating furnace electric power, and rich electric power is transported to workshop electrical network 24 and realizes grid-connected.The steam that waste heat of flue gas of heating furnace is produced is used for generating, and supplies the electrical equipment of heating furnace, thus heating furnace electricity consumption is reached self-sufficiency, not by ectocine, safe and reliable; And the electricity that intelligent power generation unit is produced can realize rich electric power when furnace apparatus cannot all consume and plant area's electrical network is grid-connected, to save electric energy.
In the present embodiment, intelligent power generation unit 22 is divided into three generator units A, B and C, and the quantity of steam can produced according to heating furnace carrys out the running status of Intelligent adjustment generator unit A, B and C.When heating furnace full production, three generator units start simultaneously, meet the power generation requirements that steam produced by heating furnace; When heating furnace for some reason urgent blowing out time, the quantity of steam that heating furnace produces diminishes, intelligent power generation unit closes down one group or two groups of generator units according to the change of quantity of steam, now, the non-core electrical equipment of heating furnace is closed, steam-electric power amount meets the operation of heating furnace nucleus equipment, to guarantee the safety of heating furnace; Along with the reduction gradually of furnace temp, steam production also reduces gradually, when the quantity of steam that heating furnace produces is not enough to the operation maintaining intelligent power generation unit, close all generator units, now all electrical equipments of heating furnace all quit work, and now, furnace temp is enough low, all electrical equipments are out of service can not constitute a threat to the safety of heating furnace.
Claims (5)
1. the method for a Steam Recovery utilization, it is characterized in that: comprise the heat exchanger, steam superheater, evaporimeter and the economizer that are successively set in heating flue, the water inlet of described economizer connects softened water tank by soft water feed pipe, and described soft water feed pipe is provided with feed pump;
Described system also comprises the first drum and the second drum, wherein said first drum and described second drum communicate respectively by the delivery port of pipeline and described economizer, described first drum is communicated respectively by the outlet of the first pipeline group and Vaporizing cooling parts and entrance, described second drum is communicated respectively by the air inlet of second pipe group and described evaporimeter and gas outlet, described first drum and described second drum communicate respectively by vapor discharge channel group and described steam superheater, described steam superheater exports the energy needed for the work of intelligent power generation unit by vapours discharge manifold, described intelligent power generation unit electrical connection electricity consumption group, electricity needed for the work of described electricity consumption group is provided.
2. the method for a kind of Steam Recovery utilization according to claim 1, is characterized in that: described intelligent power generation unit comprises three generator units.
3. the method for a kind of Steam Recovery utilization according to claim 1, it is characterized in that: described vapor discharge channel comprises the discharge of steam house steward being communicated with described first drum respectively and being all communicated with described second discharge of steam arm with the second discharge of steam arm and described first discharge of steam arm with the first discharge of steam arm of the second drum, and the gas outlet of described discharge of steam house steward is communicated with described steam superheater.
4. the method for a kind of Steam Recovery utilization according to claim 1, it is characterized in that: described first pipeline group comprises the first circulating line of the entrance being communicated with described first drum and described Vaporizing cooling parts, and being communicated with first increase in pipeline of outlet of described first drum and described Vaporizing cooling parts, wherein said first circulating line is provided with the first circulating pump;
Described second pipe group comprises the second circulating line of the air inlet being communicated with described second drum and described evaporimeter, and is communicated with the second increase in pipeline of described second drum and described evaporimeter, and wherein said second circulating line is provided with the second circulating pump.
5. the method for a kind of Steam Recovery utilization according to claim 1, is characterized in that: described electricity consumption group comprises the powered cabinet of heating furnace and electrical network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510419619.0A CN105091614A (en) | 2015-07-17 | 2015-07-17 | Steam recycling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510419619.0A CN105091614A (en) | 2015-07-17 | 2015-07-17 | Steam recycling method |
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| CN105091614A true CN105091614A (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510419619.0A Pending CN105091614A (en) | 2015-07-17 | 2015-07-17 | Steam recycling method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105588095A (en) * | 2016-02-29 | 2016-05-18 | 中国科学院广州能源研究所 | Flue gas waste heat recycling boiler with variable space and variable flow fields |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201935587U (en) * | 2011-01-05 | 2011-08-17 | 中冶华天工程技术有限公司 | Electric furnace flue gas waste heat comprehensive utilization device |
| KR20130080471A (en) * | 2010-09-10 | 2013-07-12 | 그레이트포인트 에너지, 인크. | Hydromethanation of a carbonaceous feedstock |
| CN203549758U (en) * | 2013-09-25 | 2014-04-16 | 济南澳海炭素有限公司 | Carbon calciner waste heat boiler |
| CN103851924A (en) * | 2014-02-27 | 2014-06-11 | 中冶华天工程技术有限公司 | Waste heat full-recovery recycling integration system for heating furnace |
| CN203848694U (en) * | 2014-02-27 | 2014-09-24 | 中冶华天工程技术有限公司 | Waste heat full-recovery and recycling integrated system of heating furnace |
-
2015
- 2015-07-17 CN CN201510419619.0A patent/CN105091614A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130080471A (en) * | 2010-09-10 | 2013-07-12 | 그레이트포인트 에너지, 인크. | Hydromethanation of a carbonaceous feedstock |
| CN201935587U (en) * | 2011-01-05 | 2011-08-17 | 中冶华天工程技术有限公司 | Electric furnace flue gas waste heat comprehensive utilization device |
| CN203549758U (en) * | 2013-09-25 | 2014-04-16 | 济南澳海炭素有限公司 | Carbon calciner waste heat boiler |
| CN103851924A (en) * | 2014-02-27 | 2014-06-11 | 中冶华天工程技术有限公司 | Waste heat full-recovery recycling integration system for heating furnace |
| CN203848694U (en) * | 2014-02-27 | 2014-09-24 | 中冶华天工程技术有限公司 | Waste heat full-recovery and recycling integrated system of heating furnace |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105588095A (en) * | 2016-02-29 | 2016-05-18 | 中国科学院广州能源研究所 | Flue gas waste heat recycling boiler with variable space and variable flow fields |
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Application publication date: 20151125 |
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