CN103509564B - A kind of heat exchange type ascending tube and coke oven - Google Patents
A kind of heat exchange type ascending tube and coke oven Download PDFInfo
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- CN103509564B CN103509564B CN201210209883.8A CN201210209883A CN103509564B CN 103509564 B CN103509564 B CN 103509564B CN 201210209883 A CN201210209883 A CN 201210209883A CN 103509564 B CN103509564 B CN 103509564B
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- coke oven
- oven gas
- interior pipe
- heat exchange
- tube
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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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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Abstract
The invention provides a kind of heat exchange type ascending tube and coke oven, heat exchange type ascending tube comprises: manage for carrying in raw coke oven gas, the two ends of described interior pipe are communicated with bridge tube with coke furnace carbonization chamber respectively; Also comprise: outer tube, it is arranged on the outside of described interior pipe, and between described outer tube and described interior pipe, form cooling cavity volume, described outer tube is provided with the input port and delivery outlet that are communicated with described cooling cavity volume, after described input port enters described cooling cavity volume, flows out described cooling cavity volume from described delivery outlet for the gaseous cooling medium reclaiming heat in described raw coke oven gas; The spiral stream guidance bar axially arranged along it is provided with in the inner side of described interior pipe.This heat exchange type ascending tube not only can reduce the temperature of raw coke oven gas, and is reclaimed by the partial heat in raw coke oven gas, and can reduce the use amount of ammoniacal liquor, reduces the cost recovery of raw coke oven gas.
Description
Technical field
The invention belongs to coking field, relate to the auxiliary device of coke oven, be specifically related to a kind of heat exchange type ascending tube for coke oven and include the coke oven of this heat exchange type ascending tube.
Background technology
In coking field, reclaim raw coke oven gas and not only can reduce air pollution, and the beneficiating ingredients such as the benzene in raw coke oven gas, naphthalene can be effectively utilized, thus economize energy.
The way of recycling of common raw coke oven gas is as follows: temperature is 650 ~ 700 DEG C of raw coke oven gas after coke furnace carbonization chamber is discharged, and enter bridge tube through tedge and be cooled to about 90 DEG C, cooled raw coke oven gas enters discharge, is finally reclaimed by recovery workshop.
Wherein, tedge is only for connecting coke furnace carbonization chamber and bridge tube, the temperature entering the raw coke oven gas of bridge tube is still 650 ~ 700 DEG C, in order to improve the reclaimer operation condition of raw coke oven gas, reduce the heat radiation of tedge, prevent graphite from accumulating too fast, at the inwall of tedge, serving as a contrast with thickness is the clay brick of 50 ~ 60mm.In other words, existing tedge adopts liner tile tedge.
Raw coke oven gas is before entering bridge tube, and its heat is not utilized, and which results in the waste of the energy; And raw coke oven gas utilizes the ammoniacal liquor of 0.15MPa to cool in bridge tube, the raw coke oven gas that temperature is higher not only increases the use amount of ammoniacal liquor; And in the process of cooling raw coke oven gas, partial ammonia water is vaporized and mixes with raw coke oven gas, thus adds the volume of raw coke oven gas, and this will cause the increase of follow-up condensation air blast workshop section water consumption, and then adds energy consumption, adds the cost recovery of raw coke oven gas.
Summary of the invention
The technical problem to be solved in the present invention is exactly the above-mentioned defect for existing in prior art, there is provided a kind of heat exchange type ascending tube, it not only can reduce the temperature of raw coke oven gas, and is reclaimed by the partial heat in raw coke oven gas, and the use amount of ammoniacal liquor can be reduced, reduce the cost recovery of raw coke oven gas.
For solving the above-mentioned defect existed in prior art, the present invention also provides a kind of coke oven, and it can effectively utilize the heat in raw coke oven gas, reduces the waste of the energy, and can reduce the use amount of ammoniacal liquor, reduces the cost recovery of raw coke oven gas.
The technical scheme adopted solved the problems of the technologies described above is to provide a kind of heat exchange type ascending tube, and it comprises: manage for carrying in raw coke oven gas, the two ends of described interior pipe are communicated with bridge tube with coke furnace carbonization chamber respectively; Also comprise:
Outer tube, it is arranged on the outside of described interior pipe, and between described outer tube and described interior pipe, form cooling cavity volume, described outer tube is provided with the input port and delivery outlet that are communicated with described cooling cavity volume, after described input port enters described cooling cavity volume, flows out described cooling cavity volume from described delivery outlet for the gaseous cooling medium reclaiming heat in described raw coke oven gas; The spiral stream guidance bar axially arranged along it is provided with in the inner side of described interior pipe.
Wherein, described outer tube sleeve is located at the outside of described interior pipe, and described outer tube is coaxial with described interior pipe.
Wherein, in described cooling cavity volume and the outside being positioned at described inner pipe wall is provided with fin, in order to improve the heat exchange of described interior pipe and described gaseous cooling medium.
Wherein, described gaseous cooling medium is air or inert gas or useless flue gas.
Wherein, be provided with flange on the top of described interior pipe, described spiral stream guidance bar is suspended on described flange.
Wherein, described interior pipe is pipe, and described outer tube is pipe.
Wherein, described input port and described delivery outlet are separately positioned on the two ends of described cooling cavity volume.
The present invention also provides a kind of coke oven, comprise coke furnace carbonization chamber, tedge and bridge tube, one end of described tedge is communicated with described coke furnace carbonization chamber, the other end of described tedge is communicated with described bridge tube, the raw coke oven gas of discharging from described coke furnace carbonization chamber enters described bridge tube through described tedge, it is characterized in that, described tedge adopts described heat exchange type ascending tube provided by the invention.
The present invention has following beneficial effect:
Heat exchange type ascending tube provided by the invention, for carrying the outside of pipe in raw coke oven gas to be provided with outer tube, and between described outer tube and described interior pipe, form cooling cavity volume, gaseous cooling medium is passed in cooling cavity volume, by described gaseous cooling medium, the raw coke oven gas flowed at interior pipe is cooled, thus the temperature of raw coke oven gas is reduced.This heat exchange type ascending tube can reduce the temperature of raw coke oven gas, and is recycled by the partial heat in raw coke oven gas, thus decreases the waste of the energy.When with ammoniacal liquor cooling raw coke oven gas, the raw coke oven gas that temperature is lower can reduce and is mixed into raw coke oven gas because of vaporization, not only can reduce the use amount of ammoniacal liquor, decrease energy consumption, reduce the cost of coking; And the industrial water consumption of condensation air blast workshop section can be reduced.And, be provided with the spiral stream guidance bar axially arranged along it in the inner side of described interior pipe, the flow regime of raw coke oven gas can be changed, thus improve the heat transfer efficiency between raw coke oven gas and interior pipe.
Similarly, in coke oven provided by the invention, tedge for connecting coke furnace carbonization chamber and bridge tube adopts heat exchange type ascending tube provided by the invention, for carrying the outside of pipe in raw coke oven gas to be provided with outer tube, and between described outer tube and described interior pipe, form cooling cavity volume, in cooling cavity volume, pass into gaseous cooling medium, by described gaseous cooling medium, the raw coke oven gas flowed at interior pipe is cooled, thus the temperature of raw coke oven gas is reduced.This heat exchange type ascending tube can reduce the temperature of raw coke oven gas, and is recycled by the partial heat in raw coke oven gas, thus decreases the waste of the energy.When with ammoniacal liquor cooling raw coke oven gas, the raw coke oven gas that temperature is lower can reduce and is mixed into raw coke oven gas because of vaporization, not only can reduce the use amount of ammoniacal liquor, decrease energy consumption, reduce the cost of coking; And the industrial water consumption of condensation air blast workshop section can be reduced.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention one heat exchange type ascending tube;
Fig. 2 is the part-structure schematic diagram of the embodiment of the present invention two coke oven.
Detailed description of the invention
For making those skilled in the art understand technical scheme of the present invention better, below in conjunction with accompanying drawing, heat exchange type ascending tube provided by the invention and coke oven are described in detail.
The heat exchange type ascending tube that embodiment one provides is for connecting coke furnace carbonization chamber and bridge tube, cools so that the raw coke oven gas of discharging from coke furnace carbonization chamber is imported bridge tube.Unlike the prior art, raw coke oven gas is flowing through in heat exchange type ascending tube process, and partial heat is recovered utilization.
Fig. 1 is the structural representation of the embodiment of the present invention one heat exchange type ascending tube.As shown in Figure 1, heat exchange type ascending tube comprises interior pipe 1 and outer tube 2, and interior pipe 1 is for carrying raw coke oven gas, and the two ends of interior pipe are equipped with the flange 3 for connecting coke furnace carbonization chamber and bridge tube.The connection of coke furnace carbonization chamber and bridge tube also can adopt other attaching parts except flange.
Outer tube 2 is set in the outside of interior pipe 1, thus between interior pipe 1 and outer tube 2, form cooling cavity volume 4, outer tube 2 is provided with the input port 5 and delivery outlet 6 that are communicated with cooling cavity volume 4, after input port 5 enters cooling cavity volume 4, flows out cooling cavity volume from delivery outlet 6 for the gaseous cooling medium cooling and reclaim heat in raw coke oven gas.In the present embodiment, input port 5 is arranged near the top of cooling cavity volume 4, and delivery outlet 6 is arranged near the bottom of cooling cavity volume 4.Certainly, this does not represent that input port 5 and delivery outlet 6 can only be separately positioned near cooling cavity volume 4 top and low side.Input port 5 and delivery outlet 6 also can be arranged on cooling other position of cavity volume 4, and as exchanged in input port 5 and delivery outlet 6, arrange by the bottom of input port 5 near cooling cavity volume 4, delivery outlet 6 is arranged near the top of cooling cavity volume 4.No matter be arranged on input port 5 and delivery outlet 6 and where be arranged on cooling cavity volume 4, as long as gaseous cooling medium can be imported and derive the object that cooling cavity volume 4 can reach cooling raw coke oven gas.But, preferably, input port 5 and delivery outlet 6 are separately positioned near cooling cavity volume 4 two ends, the heat transfer efficiency of gaseous cooling medium and interior pipe 1 can be increased.
During use, raw coke oven gas transfers heat to interior pipe 1 from the inner side of interior pipe 1, and gaseous cooling medium carries out heat exchange in the outside of interior pipe 1 and interior pipe 1, thus is taken away by the heat in raw coke oven gas.
Preferably, outer tube 2 is coaxial with interior pipe 1, and interior pipe 1 surrounding refrigerating gas can be made like this to be uniformly distributed, thus improves cooling effectiveness.
Be positioned at cooling cavity volume 4 and the outside being positioned at the tube wall of pipe 1 is provided with fin 7, the heat exchanger effectiveness between interior pipe 1 and gaseous cooling medium can be being improved by fin 7, thus the rate of recovery of heat in raising raw coke oven gas.Fin 7 can be arranged along the axis of interior pipe 1, also can vertically arrange with the axis of interior pipe 1.
Be provided with spiral stream guidance bar 8 in the inner side of interior pipe 1, spiral stream guidance bar 8 is arranged along the axis of interior pipe 1, and spiral stream guidance bar 8 is suspended on flange 3.Certainly, spiral stream guidance bar 8 also can adopt alternate manner to be fixed on flange 3.Spiral stream guidance bar 8 can make raw coke oven gas rotate, and changes the flow regime of raw coke oven gas, thus improves the heat transfer efficiency between raw coke oven gas and interior pipe.
In an embodiment, gaseous cooling medium can adopt air or inert gas or useless flue gas.The gaseous cooling medium absorbing raw coke oven gas heat can utilize its heating conduction oil or boiler after delivery outlet 6 is discharged, thus by heat recovery and utilization, and then reduce energy consumption, decreasing pollution.
In the present embodiment, pipe 1 and outer tube 2 all adopt pipe.Certainly, interior pipe 1 and outer tube 2 also can adopt the pipeline of such as other shape such as square.No matter adopt the pipeline of which kind of shape, all can reach the object reclaiming raw coke oven gas heat, therefore all belong to protection scope of the present invention.But interior pipe 1 and outer tube 2 adopt pipe, be not only convenient to processing and also intensity high.
It should be noted that, although embodiment one is outside outer tube 2 being set in interior pipe 1, but the present invention is not limited thereto.Outer tube 2 also can around the part of interior pipe 1 circumference, namely outer tube 2 not Perfect Ring around the circumference of interior pipe 1.This can reach the effect of cooling raw coke oven gas equally, therefore all belongs to protection scope of the present invention.
Experiment shows, through the cooling of heat exchange type ascending tube, the temperature of raw coke oven gas can be reduced to 550 ~ 280 DEG C.
The heat exchange type ascending tube that the present embodiment provides, for carrying the outside of pipe in raw coke oven gas to be provided with outer tube, and between described outer tube and described interior pipe, form cooling cavity volume, gaseous cooling medium is passed in cooling cavity volume, by described gaseous cooling medium, the raw coke oven gas flowed at interior pipe is cooled, thus the temperature of raw coke oven gas is reduced.This heat exchange type ascending tube can reduce the temperature of raw coke oven gas, and is recycled by the partial heat in raw coke oven gas, thus decreases the waste of the energy.When with ammoniacal liquor cooling raw coke oven gas, the raw coke oven gas that temperature is lower can reduce and is mixed into raw coke oven gas because of vaporization, not only can reduce the use amount of ammoniacal liquor, decrease energy consumption, reduce the cost of coking; And the industrial water consumption of condensation air blast workshop section can be reduced.In addition, in bridge tube, the raw coke oven gas volume that temperature is lower is little can improve the transfer efficiency of raw coke oven gas in bridge tube, thus enhances productivity.
Embodiment two provides a kind of coke oven, and Fig. 2 is the part-structure schematic diagram of the embodiment of the present invention two coke oven.As shown in Figure 2, coke oven comprises coke furnace carbonization chamber 21, tedge 22 and bridge tube 23, one end of tedge 22 is communicated with coke furnace carbonization chamber 21, and the other end of tedge 22 is communicated with bridge tube 23, and the raw coke oven gas of discharging from coke furnace carbonization chamber 21 enters bridge tube 23 through tedge 22.In embodiment two, tedge 22 adopts the heat exchange type ascending tube described in embodiment one, can reduce the temperature of raw coke oven gas by heat exchange type ascending tube, and is recycled by the partial heat in raw coke oven gas.
In the coke oven that embodiment two provides, tedge for connecting coke furnace carbonization chamber and bridge tube adopts heat exchange type ascending tube provided by the invention, for carrying the outside of pipe in raw coke oven gas to be provided with outer tube, and between described outer tube and described interior pipe, form cooling cavity volume, gaseous cooling medium is passed in cooling cavity volume, by described gaseous cooling medium, the raw coke oven gas flowed at interior pipe is cooled, thus the temperature of raw coke oven gas is reduced.This heat exchange type ascending tube can reduce the temperature of raw coke oven gas, and is recycled by the partial heat in raw coke oven gas, thus decreases the waste of the energy.When with ammoniacal liquor cooling raw coke oven gas, the raw coke oven gas that temperature is lower can reduce and is mixed into raw coke oven gas because of vaporization, not only can reduce the use amount of ammoniacal liquor, decrease energy consumption, reduce the cost of coking; And the industrial water consumption of condensation air blast workshop section can be reduced.In addition, in bridge tube, the raw coke oven gas volume that temperature is lower is little can improve the transfer efficiency of raw coke oven gas in bridge tube, thus enhances productivity.
Be understandable that, the illustrative embodiments that above embodiment is only used to principle of the present invention is described and adopts, but the present invention is not limited thereto.For those skilled in the art, when not departing from principle of the present invention and essence, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (7)
1. a heat exchange type ascending tube, comprising: manage for carrying in raw coke oven gas, the two ends of described interior pipe are communicated with bridge tube with coke furnace carbonization chamber respectively;
Outer tube, it is arranged on the outside of described interior pipe, and between described outer tube and described interior pipe, form cooling cavity volume, and described outer tube is provided with the input port and delivery outlet that are communicated with described cooling cavity volume; Be provided with the spiral stream guidance bar axially arranged along it in the inner side of described interior pipe, in described cooling cavity volume and the outside being positioned at described inner pipe wall is provided with fin, it is characterized in that,
Cooling medium for reclaiming heat in described raw coke oven gas flows out described cooling cavity volume from described delivery outlet after described input port enters described cooling cavity volume, and described cooling medium is gaseous state.
2. heat exchange type ascending tube according to claim 1, is characterized in that, described outer tube sleeve is located at the outside of described interior pipe, and described outer tube is coaxial with described interior pipe.
3. heat exchange type ascending tube according to claim 1, is characterized in that, described gaseous cooling medium is air or inert gas or useless flue gas.
4. heat exchange type ascending tube according to claim 1, is characterized in that, is provided with flange on the top of described interior pipe, and described spiral stream guidance bar is suspended on described flange.
5. heat exchange type ascending tube according to claim 1, is characterized in that, described interior pipe is pipe, and described outer tube is pipe.
6. heat exchange type ascending tube according to claim 1, is characterized in that, described input port and described delivery outlet are separately positioned on the two ends of described cooling cavity volume.
7. a coke oven, comprise coke furnace carbonization chamber, tedge and bridge tube, one end of described tedge is communicated with described coke furnace carbonization chamber, the other end of described tedge is communicated with described bridge tube, the raw coke oven gas of discharging from described coke furnace carbonization chamber enters described bridge tube through described tedge, it is characterized in that, described tedge adopts the heat exchange type ascending tube described in claim 1-6 any one.
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| CN201210209883.8A CN103509564B (en) | 2012-06-19 | 2012-06-19 | A kind of heat exchange type ascending tube and coke oven |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210209883.8A CN103509564B (en) | 2012-06-19 | 2012-06-19 | A kind of heat exchange type ascending tube and coke oven |
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| CN103509564A CN103509564A (en) | 2014-01-15 |
| CN103509564B true CN103509564B (en) | 2016-01-13 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676100B (en) * | 2015-03-12 | 2018-04-10 | 宁波东钱湖旅游度假区圣莱思机电有限公司 | Heater on pressure reducer |
| CN105018113B (en) * | 2015-07-06 | 2017-10-17 | 北京华泰焦化工程技术有限公司 | A kind of method of its recovery raw coke oven gas heat of coke oven coke oven uprising tube and application |
| CN105238419B (en) * | 2015-10-31 | 2017-11-21 | 济南冶金化工设备有限公司 | Reclaim the rising pipe device of waste heat of coke oven crude gas |
| CN108277024A (en) * | 2017-01-05 | 2018-07-13 | 葛霖 | A kind of online coke cleaning apparatus of tedge and its coke cleaning and intensified heat transfer method |
| CN108007232B (en) * | 2017-12-10 | 2020-04-28 | 山西吉祥锅炉制造有限公司 | Waste heat utilization device of vacuum hot water boiler |
| CN108061471B (en) * | 2017-12-14 | 2019-09-10 | 中国科学院过程工程研究所 | A kind of multiple-unit composite screw plate heat exchanger |
| CN109054887A (en) * | 2018-10-17 | 2018-12-21 | 北京华泰焦化工程技术有限公司 | Equipment, the method for de- benzene rich oil |
| CN114659389A (en) * | 2022-03-11 | 2022-06-24 | 华能北京热电有限责任公司 | Heat exchange pipeline equipment |
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| CN101846328A (en) * | 2010-06-08 | 2010-09-29 | 无锡东和薄板装备制造有限公司 | Heat exchanger for radiant tube |
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| CN202643628U (en) * | 2012-06-19 | 2013-01-02 | 北京华泰焦化工程技术有限公司 | Heat exchange-type ascending tube and coke oven |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2007116045A1 (en) * | 2006-04-12 | 2007-10-18 | Shell Internationale Research Maatschappij B.V. | Apparatus and process for cooling hot gas |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101846328A (en) * | 2010-06-08 | 2010-09-29 | 无锡东和薄板装备制造有限公司 | Heat exchanger for radiant tube |
| CN201962241U (en) * | 2011-03-16 | 2011-09-07 | 武汉钢铁(集团)公司 | Double-layer heat transmission residual-heat utilization device for coke oven ascending tube |
| CN202643628U (en) * | 2012-06-19 | 2013-01-02 | 北京华泰焦化工程技术有限公司 | Heat exchange-type ascending tube and coke oven |
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Address after: Section thirteen economic and Technological Development Zone of Beijing City 31 street 100176 No. two School District No. 15 Building 5 layer 501 Patentee after: HUATAI YONGCHUANG (BEIJING) TECHNOLOGY Co.,Ltd. Address before: 101318, building 14, Rong Hui Garden, B District, Shunyi District Airport Industrial Park, Beijing Patentee before: BEIJING HUATAI COKING ENGINEERING CONSULTING Corp. |
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