CN205024154U - Telescopic coke oven crude gas sensible heat recovery device of spiral coil - Google Patents
Telescopic coke oven crude gas sensible heat recovery device of spiral coil Download PDFInfo
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- CN205024154U CN205024154U CN201520772829.3U CN201520772829U CN205024154U CN 205024154 U CN205024154 U CN 205024154U CN 201520772829 U CN201520772829 U CN 201520772829U CN 205024154 U CN205024154 U CN 205024154U
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Abstract
The utility model discloses a telescopic coke oven crude gas sensible heat recovery device of spiral coil, including a tedge heat exchanger, the tedge heat exchanger further includes tedge inner tube, tedge urceolus and coil pipe, wherein, the inboard of tedge inner tube is the cavity form for the circulation of raw coke oven gas, the outer barrel casing of tedge is established the outside of tedge inner tube, just form a cavity between tedge inner tube and the tedge urceolus, the coil pipe sets up in the cavity, just be the heliciform and coil on the lateral wall of tedge inner tube, the holding has the heat transferring medium in the coil pipe, and the raw coke oven gas enters into in the tedge inner tube, and pass through the pipe wall of tedge inner tube with heat transferring medium in the coil pipe carries out the heat exchange. The utility model discloses a heat transfer area who increases whole heat transfer device and the heat exchange time of extension heat transferring medium carry out waste gas sensible heat's effective recycling.
Description
Technical field
The utility model relates to a kind of coal oven dithio-gas heat recovering device field, especially relates to the telescopic coal oven dithio-gas heat recovering device of a kind of spiral pipe.
Background technology
Coke oven mainly contains three large residual heat resources in producing, and be red burnt sensible heat respectively, coal oven dithio-gas sensible heat and waste heat of coke-oven flue gas, wherein raw gas waste heat has accounted for more than 30% of waste heat of coke oven resource, but fails to be fully used always.At present, domestic and international coke oven is all that the high temperature raw gas that carbonizing chamber destructive distillation produces is passed through upcast, bridge tube is imported effuser, and ammoniacal liquor is sprayed before raw gas enters effuser, raw gas temperature is dropped to less than 80 DEG C, then send into recovery of chemical products system by pipeline, the ammoniacal liquor that temperature raises is lowered the temperature by naturally cooling and heat exchange, clean in a large number and efficient heat energy is utilized, cause the huge wasting of resources.
The raw gas out entering upcast from carbonizing chamber of coke oven is about between 700-800 DEG C, fails well to be utilized, and should say it is a kind of energy dissipation.The seventies and eighties in last century, some enterprises adopt Ascension Pipe Gasification refrigerating unit to reclaim heat, and this device forms water jacket by urceolus and inner core, and be correspondingly provided with water-in, steam outlet and sewage draining exit, wall liner refractory brick in water jacket and raw gas heat exchange, there is some problem in this device:
1. the impurity in raw gas, under the environment that colds and heat succeed each other, easily produces coking at water jacket root, affects interchanger and normally works;
2. water jacket affects by the factor such as thermal stresses and solder joint, and duration of service is of a specified duration can produce leakage problem, causes water in whole drum to bleed carbonizing chamber, cause security incident time serious;
3. when sending water after in particular cases cutting off the water again, inner core easily deforms by stress, and therefore a lot of enterprise is in succession out of service, has removed this device.
Find through retrieval, application number is CN200910230821.3, and name is called that the Chinese patent application of Novel residual heat utilization device for ascension pipe of coke oven discloses a kind of residual heat using device.It utilizes device to form by the multistage be in series, every section of residual heat using device forms annular cavity by urceolus and inner core, the water-in of spiral pipe is connected with the external world through annular cavity with water outlet, heat-conducting medium is filled: during work in annular cavity, raw gas enters in upcast from upcast bottom, transfer heat to the heat-conducting medium between upcast inner core by radiation heat transfer, heat-conducting medium transfers heat to the spiral pipe water pipe be coiled in wherein again.Recirculated water is partly or entirely vaporized, is entered drum, realize heat recovery from last outlet after entering the coke oven coke oven uprising tube UTILIZATION OF VESIDUAL HEAT IN transposition of series connection successively by water-in topmost.The problem such as present arrangement avoids distortion, leak, installation and repairing is convenient.
Utility model content
In order to overcome above technical problem, the utility model aims to provide the telescopic coal oven dithio-gas heat recovering device of a kind of spiral pipe, thus when ensureing whole pit kiln safe operation, take novel spiral pipe to arrange by heat exchanging medium heating surface, realize the continual and steady effective Collection and utilization of crude-gas sensible heat.
In order to reach above-mentioned utility model object, solve the technical scheme that its technical problem adopts as follows:
The telescopic coal oven dithio-gas heat recovering device of a kind of spiral pipe, comprise a upcast interchanger, described upcast interchanger comprises upcast inner core, upcast urceolus and coil pipe further, wherein,
The inner side of described upcast inner core is hollow form, for the circulation of raw gas;
Described upcast urceolus is set in the outside of described upcast inner core, and forms a cavity between described upcast inner core and upcast urceolus;
Described coil pipe is arranged in described cavity, and is coiled on the outer side wall of described upcast inner core in the shape of a spiral;
Be equipped with heat transferring medium in described coil pipe, raw gas enters in described upcast inner core, and carries out heat exchange by the heat transferring medium in the tube wall of described upcast inner core and described coil pipe.
Preferably, described coil pipe evenly coils outside the tube wall of described upcast inner core.
Preferably, described coil pipe is tight and on the gapless outer side wall being coiled in described upcast inner core.
Preferably, described upcast inner core is made up of anticorrosive or composite material.
Preferably, described upcast inner core is seamless metal structure.
Preferably, described upcast urceolus is made up of lagging material.
Preferably, between described coil pipe and described upcast urceolus tube wall, there is a gap.
The utility model, owing to adopting above technical scheme, makes it compared with prior art, has following advantage and positively effect:
1. the telescopic coal oven dithio-gas heat recovering device of a kind of spiral pipe that provides of the utility model, wherein upcast interchanger adopts telescoping structure, when heat transferring medium in coil pipe occurs to leak, only can flow in the cavity formed between inner core and urceolus, can not carbonizing chamber of coke oven be entered, anything can not be caused to affect on the safety of carbonizing chamber of coke oven;
2. the telescopic coal oven dithio-gas heat recovering device of a kind of spiral pipe that provides of the utility model, by the spiral helicine design arrangement of coil pipe, not only effectively can expand the total heat interchanging area of heat transferring medium in heat recovering device, the total heat-exchange time of heat transferring medium in whole heat recovering device can be extended again, ensure that heat transferring medium can obtain sufficient heat exchange with this, achieve efficient recovery and the utilization of crude-gas sensible heat, and ensure that as traditional water jacket heat recovering device, breaking of pipeline can not occur in whole crude-gas sensible heat removal process, serious destruction is caused to pit kiln,
3. the telescopic coal oven dithio-gas heat recovering device of a kind of spiral pipe that provides of the utility model, by arranging a cavity between upcast inner/outer tube, can be used for reducing temperature raw gas enters bridge tube during from the upper end of upcast interchanger, reduce the consumption such as original system ammoniacal liquor, electric power, realize coke oven energy-saving and emission-reduction; Absorb heat by heat transferring medium simultaneously, fully reclaim the sensible heat of raw gas, achieve coal oven dithio-gas sensible heat and effectively reclaim continually and steadily and utilize, reclaim coal oven dithio-gas sensible heat and be used for producing the steam that user needs pressure rating;
4. the telescopic coal oven dithio-gas heat recovering device of a kind of spiral pipe that provides of the utility model, upcast inner core adopts seamless metal structure design, thus effectively prevents the direct crevice corrosion of raw gas butt welded seam.
Accompanying drawing explanation
By reference to the accompanying drawings, by hereafter state detailed description, more clearly can understand above-mentioned and other feature and advantage of the present invention, wherein:
Accompanying drawing 1 is the structural representation of the telescopic coal oven dithio-gas heat recovering device of a kind of spiral pipe of the utility model.
Nomenclature: 1-upcast inner core; 2-upcast urceolus; 3-coil pipe; 4-cavity; 5-water-in; 6-water outlet; 7-first flange; 8-second flange.
Embodiment
Below with reference to accompanying drawing of the present utility model; clear, complete description and discussion are carried out to the technical scheme in the utility model embodiment; obviously; as described herein is only a part of example of the present utility model; it is not whole examples; based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to protection domain of the present utility model.
Accompanying drawing 1 is the structural representation of the telescopic coal oven dithio-gas heat recovering device of a kind of spiral pipe of the utility model.Specifically disclose the telescopic coal oven dithio-gas heat recovering device of a kind of spiral pipe, comprise a upcast interchanger, described upcast interchanger comprises upcast inner core 1, upcast urceolus 2 and coil pipe 3 further, wherein,
The inner side of described upcast inner core 1 is hollow form, for the circulation for raw gas;
Described upcast urceolus 2 is set in the outside of described upcast inner core 1, and forms a cavity 4 between described upcast inner core 1 and upcast urceolus 2;
In the present embodiment, described coil pipe 3 is arranged in described cavity 4, and is coiled on the outer side wall of described upcast inner core 1 in the shape of a spiral; Described coil pipe 3 is for accommodating heat transferring medium, and high temperature raw gas enters in described upcast inner core 1, and carries out heat exchange by the heat transferring medium in the tube wall of described upcast inner core 1 and described coil pipe 3; Heat transferring medium can adopt the media such as water, is not restricted herein.By the spiral helicine design arrangement of coil pipe 3, not only effectively can expand the total heat interchanging area of heat transferring medium in heat recovering device, the total heat-exchange time of heat transferring medium in whole heat recovering device can be extended again, ensure that heat transferring medium can obtain sufficient heat exchange with this.
In preferred embodiment, described coil pipe 3 evenly coils outside the tube wall of described upcast inner core 1, is furnished with the coal oven dithio-gas being beneficial to upcast inner core 1 inside uniformly and carries out abundant heat exchange with the heat transferring medium in coil pipe 3 equably.
In the present embodiment, described upcast inner core 1 is made up of anticorrosive or composite material, and adopt seamless design between described coil pipe 3 and described upcast inner core 1 tube wall, namely described coil pipe 3 is tight and on the gapless outer side wall being coiled in described upcast inner core 1, guarantee the filling without any gas between helical coiled tube 3 and upcast inner core 1 tube wall with this, reduce the impact of air thermal resistance on Exposure degree with this.
In preferred embodiment, described upcast inner core 1 adopts seamless metal structure, thus effectively prevents the direct crevice corrosion of raw gas butt welded seam.Wherein, upcast inner core 1 can adopt fluting, forging, the method such as expanding to realize the form of inner core no-welding-seam structure, is not restricted herein.
In the present embodiment, described upcast urceolus 2 is made up of lagging material, and adopts anti-inflated design between described coil pipe 3 and described upcast urceolus 2 tube wall.The utility model adopts lagging material to reduce in coil pipe 3 and reclaims scattering and disappearing of heat, and anti-inflated design is by leaving some gaps between described coil pipe 3 and upcast urceolus 2, the distortion of whole heat recovering device structure is prevented with this, heat exchange thermal resistance between effective increase coil pipe 3 and upcast interchanger urceolus 2, reduces the loss of heat.
In the present embodiment, described upcast interchanger upper end is connected with bridge tube by the first flange 7, lower end is connected with carbonizing chamber of coke oven by the second flange 8, described upcast urceolus 2 upper end is provided with a water-in 5, lower end is provided with a water outlet 6, and described water-in 5 is connected with exterior line with water outlet 6.Further, the water-in 5 of above-mentioned spiral helicine coil pipe 3 through upcast interchanger upper end is closely evenly coiled in outside the barrel of upcast inner core 1 from top to bottom, after being covered with the annular cavity 4 between whole inner/outer tube, the water outlet 6 through being positioned at upcast interchanger lower end is connected with the external world.
Upcast function and vapor heat exchanger function unite two into one by the utility model, effectively reduce on the one hand temperature raw gas enters bridge tube during from the upper end of upcast inner core 1, decrease ammoniacal liquor, electric power etc. that subsequent disposal consumes; Heat transferring medium on the other hand in coil pipe 3 absorbs heat, reclaims the sensible heat of raw gas.
The principle of work of the telescopic coal oven dithio-gas heat recovering device of a kind of spiral pipe provided with regard to the utility model is below further described, specific as follows:
During work, coal oven dithio-gas enters upcast inner core from upcast exchanger base, upwards flows along upcast inner core, by entering bridge tube after carrying out heat exchange with the heat transferring medium in helical coiled tube and carrying out next step utilization in upcast inner core.Feedwater enters coil pipe by the water-in of upcast urceolus upper end, flow from top to bottom successively along helical coiled tube and absorb the sensible heat of the raw gas in upcast inner core, in helical coiled tube, complete the water outlet by upcast urceolus lower end after heat exchange, saturation steam is sent into outside network and carries out next step utilization.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (7)
1. the telescopic coal oven dithio-gas heat recovering device of spiral pipe, comprises a upcast interchanger, it is characterized in that, described upcast interchanger comprises upcast inner core, upcast urceolus and coil pipe further, wherein,
The inner side of described upcast inner core is hollow form, for the circulation of raw gas;
Described upcast urceolus is set in the outside of described upcast inner core, and forms a cavity between described upcast inner core and upcast urceolus;
Described coil pipe is arranged in described cavity, and is coiled on the outer side wall of described upcast inner core in the shape of a spiral;
Be equipped with heat transferring medium in described coil pipe, raw gas enters in described upcast inner core, and carries out heat exchange by the heat transferring medium in the tube wall of described upcast inner core and described coil pipe.
2. the telescopic coal oven dithio-gas heat recovering device of a kind of spiral pipe as claimed in claim 1, is characterized in that, described coil pipe evenly coils outside the tube wall of described upcast inner core.
3. the telescopic coal oven dithio-gas heat recovering device of a kind of spiral pipe as claimed in claim 1 or 2, is characterized in that, described coil pipe is tight and on the gapless outer side wall being coiled in described upcast inner core.
4. the telescopic coal oven dithio-gas heat recovering device of a kind of spiral pipe as claimed in claim 1, is characterized in that, described upcast inner core is made up of anticorrosive or composite material.
5. the telescopic coal oven dithio-gas heat recovering device of a kind of spiral pipe as claimed in claim 1, is characterized in that, described upcast inner core is seamless metal structure.
6. the telescopic coal oven dithio-gas heat recovering device of a kind of spiral pipe as claimed in claim 1, is characterized in that, described upcast urceolus is made up of lagging material.
7. the telescopic coal oven dithio-gas heat recovering device of a kind of spiral pipe as described in claim 1 or 6, is characterized in that, has a gap between described coil pipe and described upcast urceolus tube wall.
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| CN201520772829.3U CN205024154U (en) | 2015-09-30 | 2015-09-30 | Telescopic coke oven crude gas sensible heat recovery device of spiral coil |
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| CN201520772829.3U CN205024154U (en) | 2015-09-30 | 2015-09-30 | Telescopic coke oven crude gas sensible heat recovery device of spiral coil |
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| CN106010590A (en) * | 2016-06-16 | 2016-10-12 | 南京华电节能环保设备有限公司 | Coke oven ascension pipe waste heat recovery device |
| CN106047376A (en) * | 2016-07-14 | 2016-10-26 | 河北工程大学 | High-temperature-resistant corrosion-resistant snakelike spiral heat exchanger of coke oven ascending pipe |
| CN106381155A (en) * | 2016-11-03 | 2017-02-08 | 中冶华天工程技术有限公司 | Coke oven riser waste heat utilization system |
| CN106524783A (en) * | 2016-11-03 | 2017-03-22 | 中冶华天工程技术有限公司 | Coke oven ascending pipe waste-heat utilization equipment |
| CN106520146A (en) * | 2016-11-03 | 2017-03-22 | 中冶华天工程技术有限公司 | Coke oven riser tube waste heat-utilization apparatus |
| CN106544046A (en) * | 2016-12-10 | 2017-03-29 | 盐城远洋节能科技有限公司 | Coke oven coke oven uprising tube high-efficiency waste heat recovery device and its anti-coking method |
| CN106678840A (en) * | 2017-03-01 | 2017-05-17 | 北海新宏恒达机械设备有限公司 | Waste gas deodorization device in fish meal production |
| CN106767021A (en) * | 2017-02-28 | 2017-05-31 | 中冶华天工程技术有限公司 | Raw coke over gas riser heat exchanger |
| CN107286962A (en) * | 2017-08-08 | 2017-10-24 | 江苏龙冶节能科技有限公司 | Combined type tedge heat exchanger system |
| CN108467737A (en) * | 2018-05-23 | 2018-08-31 | 樊晓光 | A kind of spiral coil conduction-type raw coke oven gas waste heat recovery apparatus |
| CN108796336A (en) * | 2018-06-28 | 2018-11-13 | 鹤壁宝发能源科技股份有限公司 | A kind of production method of combustor oxyhydrogen generator |
| CN108800929A (en) * | 2018-06-01 | 2018-11-13 | 北京航天石化技术装备工程有限公司 | A kind of heating furnace using radiative cylinder indirectly heat boiler tube |
| CN109870046A (en) * | 2017-12-01 | 2019-06-11 | 赫普科技发展（北京）有限公司 | A kind of rising heat exchange of heat pipe |
| CN110440320A (en) * | 2019-07-05 | 2019-11-12 | 绍兴市优创燃具有限公司 | A kind of integrated kitchen range and its processing method with noise reduction cooling smoke exhaust pipe |
| CN110499169A (en) * | 2019-09-26 | 2019-11-26 | 攀钢集团攀枝花钢铁研究院有限公司 | Heat recovering device |
| CN111121473A (en) * | 2020-01-10 | 2020-05-08 | 北京科技大学 | Variable-porosity amorphous porous medium metal heat exchanger for coke oven ascension pipe |
| CN114111121A (en) * | 2021-11-19 | 2022-03-01 | 合肥天鹅制冷科技有限公司 | Coil condenser structure |
| CN114806607A (en) * | 2022-04-07 | 2022-07-29 | 常州大学 | High-efficient safe detachable coke oven crude gas waste heat recovery tedge device |
| CN114933912A (en) * | 2022-06-24 | 2022-08-23 | 山东天景工程设计有限公司 | Device for reducing bias current in heat exchanger utilizing waste heat of coke oven crude gas |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106010590A (en) * | 2016-06-16 | 2016-10-12 | 南京华电节能环保设备有限公司 | Coke oven ascension pipe waste heat recovery device |
| CN106047376A (en) * | 2016-07-14 | 2016-10-26 | 河北工程大学 | High-temperature-resistant corrosion-resistant snakelike spiral heat exchanger of coke oven ascending pipe |
| CN106381155A (en) * | 2016-11-03 | 2017-02-08 | 中冶华天工程技术有限公司 | Coke oven riser waste heat utilization system |
| CN106524783A (en) * | 2016-11-03 | 2017-03-22 | 中冶华天工程技术有限公司 | Coke oven ascending pipe waste-heat utilization equipment |
| CN106520146A (en) * | 2016-11-03 | 2017-03-22 | 中冶华天工程技术有限公司 | Coke oven riser tube waste heat-utilization apparatus |
| CN106544046A (en) * | 2016-12-10 | 2017-03-29 | 盐城远洋节能科技有限公司 | Coke oven coke oven uprising tube high-efficiency waste heat recovery device and its anti-coking method |
| CN106767021A (en) * | 2017-02-28 | 2017-05-31 | 中冶华天工程技术有限公司 | Raw coke over gas riser heat exchanger |
| CN106678840A (en) * | 2017-03-01 | 2017-05-17 | 北海新宏恒达机械设备有限公司 | Waste gas deodorization device in fish meal production |
| CN107286962A (en) * | 2017-08-08 | 2017-10-24 | 江苏龙冶节能科技有限公司 | Combined type tedge heat exchanger system |
| CN109870046B (en) * | 2017-12-01 | 2024-01-19 | 赫普科技发展（北京）有限公司 | Ascending pipe heat exchanger |
| CN109870046A (en) * | 2017-12-01 | 2019-06-11 | 赫普科技发展（北京）有限公司 | A kind of rising heat exchange of heat pipe |
| CN108467737A (en) * | 2018-05-23 | 2018-08-31 | 樊晓光 | A kind of spiral coil conduction-type raw coke oven gas waste heat recovery apparatus |
| CN108800929A (en) * | 2018-06-01 | 2018-11-13 | 北京航天石化技术装备工程有限公司 | A kind of heating furnace using radiative cylinder indirectly heat boiler tube |
| CN108796336A (en) * | 2018-06-28 | 2018-11-13 | 鹤壁宝发能源科技股份有限公司 | A kind of production method of combustor oxyhydrogen generator |
| CN110440320A (en) * | 2019-07-05 | 2019-11-12 | 绍兴市优创燃具有限公司 | A kind of integrated kitchen range and its processing method with noise reduction cooling smoke exhaust pipe |
| CN110499169A (en) * | 2019-09-26 | 2019-11-26 | 攀钢集团攀枝花钢铁研究院有限公司 | Heat recovering device |
| CN111121473A (en) * | 2020-01-10 | 2020-05-08 | 北京科技大学 | Variable-porosity amorphous porous medium metal heat exchanger for coke oven ascension pipe |
| CN114111121A (en) * | 2021-11-19 | 2022-03-01 | 合肥天鹅制冷科技有限公司 | Coil condenser structure |
| CN114806607A (en) * | 2022-04-07 | 2022-07-29 | 常州大学 | High-efficient safe detachable coke oven crude gas waste heat recovery tedge device |
| CN114933912A (en) * | 2022-06-24 | 2022-08-23 | 山东天景工程设计有限公司 | Device for reducing bias current in heat exchanger utilizing waste heat of coke oven crude gas |
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