CN107013273A - Utilize the method and device of coke-oven plant's raw coke oven gas cogeneration - Google Patents
Utilize the method and device of coke-oven plant's raw coke oven gas cogeneration Download PDFInfo
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- CN107013273A CN107013273A CN201710334749.3A CN201710334749A CN107013273A CN 107013273 A CN107013273 A CN 107013273A CN 201710334749 A CN201710334749 A CN 201710334749A CN 107013273 A CN107013273 A CN 107013273A
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- steam
- heat
- oven gas
- pipe
- coke
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
- F01K27/02—Plants modified to use their waste heat, other than that of exhaust, e.g. engine-friction heat
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B27/00—Arrangements for withdrawal of the distillation gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
- F22B1/1892—Systems therefor not provided for in F22B1/1807 - F22B1/1861
-
- 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
Abstract
The invention provides the method and device using coke-oven plant's raw coke oven gas cogeneration.In the method for the invention, pressure and/or high steam are generated electricity in being generated using coke-oven plant's raw coke oven gas waste heat, for being generated electricity compared to traditional low-pressure steam, practical application meaning is bigger, and avoids the problem of energy waste caused by low-pressure steam amount is excessive.Simultaneously, in apparatus of the present invention, conducted heat to using heat-transfer device in steam unit, so as to avoid the pressure transmission between steam unit and tedge, the recycling of raw coke oven gas waste heat can not only be realized, the potential safety hazard present in existing waste-heat recovery device can be also avoided.
Description
Technical field
The present invention relates to chemical residual heat power field, in particular to the side using coke-oven plant's raw coke oven gas cogeneration
Method and device.
Background technology
With it is industrialized it is continuous intensification and continue to develop, the consumption of the energy is also more and more, many non-renewable energy
Source faces the danger of exhaustion.The consumption of the energy exacerbates environmental pollution, and increasingly severe environmental pollution and greenhouse effects causes
People begin to focus on new energy and the more saving of energy resources is utilized, and multiple effective utilization of the energy is also increasingly by people
Extensive attention.The need for the multiple utilization of the energy not only ensure that production, and be conducive to alleviating ring under the conditions of existing
Border problem, and beneficial to reduction due to the discharge capacity of the carbon dioxide produced by Chemical Manufacture.
In coke-oven plant, the substantial amounts of heat of yield in the purification process of coking and coal gas, these heats have it is wide again
Value.At present, there are two class products after the waste heat recovery of coke-oven plant's raw coke oven gas：One class is the conduction oil with heat, is applied to Jiao
Change factoryization production each workshop section of workshop；One class is low-pressure steam (P≤2.5Mpa, T≤400 DEG C), is applied to each workshop section of coke-oven plant
Or Independent Power Generation.
Because Dry Quenching Technology is in the popularization and application of coke-oven plant, the low-pressure steam amount that coke-oven plant possesses is excessive so that waste coal
The products application of gas waste heat recovery generation is greatly lowered to the demand of each workshop section of coke-oven plant；And low-pressure steam Independent Power Generation needs
Low-pressure steam generating equipment is invested, cost of investment is high, and low-pressure steam power benefit is not also notable.
In view of this, it is special to propose the present invention.
The content of the invention
The first object of the present invention is to provide a kind of method of utilization coke-oven plant raw coke oven gas cogeneration, methods described
In, pressure and/or high steam are generated electricity in being generated using coke-oven plant's raw coke oven gas waste heat, are generated electricity compared to traditional low-pressure steam
For, practical application meaning is bigger, and avoids the problem of energy waste caused by low-pressure steam amount is excessive.
The second object of the present invention is to provide a kind of device realized using coke-oven plant's raw coke oven gas cogeneration, the present invention
Conducted heat in device using heat-transfer device in steam unit, so as to avoid the pressure between steam unit and tedge
Transmission, can not only realize the recycling of raw coke oven gas waste heat, can also avoid the safety present in existing waste-heat recovery device
Hidden danger.
A kind of method of utilization coke-oven plant raw coke oven gas cogeneration, methods described comprises the following steps：By raw coke oven gas waste heat
Reclaim, generation middle pressure steam and/or high steam, then the middle pressure steam generated and/or high steam are incorporated to more than dry coke quenching
Generated electricity in thermal electric generator.
Optionally, in the present invention, the raw coke oven gas waste heat recovery comprises the following steps：By heat-transfer device by heat by upper
Conducted in riser into spaced steam unit, and generate in steam unit steam.
Optionally, in the present invention, methods described is still further comprised the steam generated in steam unit by heating
And/or pressurize to obtain middle pressure steam and/or high steam the step of.
Optionally, in the present invention, the pressure of medium pressure steam is more than 2.5MPa, less than or equal to 6MPa, middle pressure steam
Temperature is more than 400 DEG C, less than or equal to 450 DEG C；
And/or, the pressure of the high steam is more than 6MPa, less than or equal to 14MPa, and the temperature of high steam is more than 460
DEG C, less than or equal to 540 DEG C.
Meanwhile, present invention also offers the device for realizing the method for the invention, described device includes heat-transfer device, steam
Device and vapor temperature-pressure device.
Optionally, in the present invention, the heat-transfer device is connected with tedge and steam unit respectively, and by more than raw coke oven gas
Heat is conducted into the steam unit being arranged at outside certain distance by tedge.
Optionally, in the present invention, the heat-transfer device includes many heat conducting pipes being set up in parallel；Wherein, the heat conducting pipe
Heating section be arranged at rising inside pipe wall；The heat release section of the heat conducting pipe is connected with steam unit, and by heat release to steam
Water and/or steam heating in device, produce steam.
Optionally, in the present invention, the heat conducting pipe includes tube wall and liquid-sucking core；Wherein, heat transfer work is provided with liquid-sucking core
Matter.
Optionally, in the present invention, the steam unit includes water pipe, steam pipe and drum；Wherein, the steam pipe respectively with water
Pipe is connected with drum.
Optionally, in the present invention, the pressurized, heated device includes heater and compressor.
Compared with prior art, beneficial effects of the present invention are：
(1) middle pressure steam or high steam that this method is generated can be incorporated to the existing dry coke quenching waste heat hair in coke-oven plant
Generated electricity in electric facility；Compared with band thermal conductivity deep fat or low-pressure steam that traditional coke-oven plant's raw coke oven gas UTILIZATION OF VESIDUAL HEAT IN is generated,
The middle pressure steam or high steam use value that the inventive method is generated are higher, are not required to carry out extra equipment investment；
(2) present invention in, generate steam steam unit and tedge between by heat-transfer device be connected, steam unit and
Tedge will not carry out therebetween pressure transmission, so as to freely adjust the pressure of generated steam by steam unit,
Without producing any influence to tedge.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described.
Fig. 1 is apparatus of the present invention cut-away view front view；
Fig. 2 is apparatus of the present invention plane figure side view；
Fig. 3 is apparatus of the present invention plane figure side view；
Wherein, in Fig. 1,1- heat-transfer devices, 101- heat conducting pipes, 102- heat conducting pipes, 103- heat conducting pipes, 104- heat conducting pipes,
105- heat conducting pipes；2- steam units, 201- water pipes, 202- steam pipes, 203- drums；
In Fig. 2,202- steam pipes, 203- drums, 204- higher level's drum, 3- tedges；
In Fig. 3,101- heat conducting pipes, 202- steam pipes, 203- drums, 204- higher level's drum, 3- tedges.
Embodiment
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the present invention.It is unreceipted specific in embodiment
Condition person, the condition advised according to normal condition or manufacturer is carried out.Agents useful for same or the unreceipted production firm person of instrument, be
The conventional products that can be obtained by commercially available purchase.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than indicate or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Generation low-pressure steam is simply possible to use in after coke-oven plant's raw coke oven gas waste heat recovery, but low pressure needed for low-pressure steam generates electricity is steamed
The consumption of vapour is limited, and the construction of low pressure power generating equipment is also required to certain cost, thus, more than absorption coke-oven plant's raw coke oven gas
A large amount of low-pressure steams that heat is generated can not realize effective utilization, and this also result in the waste of the energy.
, will be using in the generation of raw coke oven gas waste heat in the present invention in view of utilization at present for raw coke oven gas waste heat and insufficient
Steam and/or high steam are pressed, and the steam generated can be directly incorporated into the existing dry coke quenching cogeneration facility in coke-oven plant
It is middle to be generated electricity.Dry Quenching Technology is all used in coke-oven plant at present, and subsidiary build has dry coke quenching cogeneration facility mostly, because
And middle pressure steam and/high steam direct grid-connected, which generate electricity, need not carry out extra Facilities Construction, this sends out compared to low-pressure steam
Explicit costs is lower for electricity, and the utilization rate for the energy is higher.
The present invention mainly includes following device using the device of coke-oven plant's raw coke oven gas cogeneration：Heat-transfer device, steam dress
Put, and vapor temperature-pressure device；
Specifically, the tedge being connected with coke oven passes through heat-transfer device and the steam unit phase being arranged at outside certain distance
Connection, heat-transfer device absorbs the heat of raw coke oven gas waste heat in tedge, then conducted heat in steam unit, in steam
Water and/or steam in device are conducted through the heat come, are then generated steam, produced steam are collected, then
Transmit into vapor temperature-pressure device, and further generate middle pressure steam or high steam as needed, then one will be entered
The generated steam of step, which is incorporated in dry coke quenching cogeneration facility, to be generated electricity.
In a preferred scheme of the invention, the heat-transfer device is made up of many heat conducting pipes being set up in parallel；Enter one
Step, according to the difference of present position, heat conducting pipe can be divided into three sections, that is, be arranged at and rise the heating section of inside pipe wall, with steaming
The heat release section of vapour device connection, and the span line between heating section and heat release section；
It is further preferred that the heat conducting pipe is helical structure, the heating section of heat conducting pipe is directly contacted with rising inside pipe wall,
And the heat transfer by tedge and the thermal radiation absorption heat of raw coke oven gas waste heat；
In a currently preferred scheme, the heat conducting pipe includes being provided with biography in tube wall and liquid-sucking core, liquid-sucking core
Hot working fluid；Further, the heat conducting pipe is hollow structure, and is in vacuum state in the course of the work, and heat-transfer working medium absorbs
After heat, be evaporated to gaseous state and gradually form steam, steam by the delivery section expanding of heat conducting pipe to heat release section, and in heat release section
Steam unit is heated, vapor is produced；
In a preferred scheme of the invention, the heat-transfer working medium is metal；It is furthermore preferred that the heat-transfer working medium is
Sodium, potassium, or Na-K alloy；
In a preferred scheme of the invention, the steam unit includes water pipe, steam pipe and drum；Wherein, steam pipe
Two ends are connected with water pipe and drum respectively；
It is further preferred that the heat release section of the heat conducting pipe is connected with steam pipe, the heat release section of the heat conducting pipe is with spiral
Structure is through set through hole on steam pipe, and the area of through hole is suitable with heat conducting pipe area of section, meanwhile, heat conducting pipe and steam pipe
Junction needs sealing, it is to avoid steam leakage is caused danger；Still more preferably, the external diameter of the heat conducting pipe is less than steam pipe
Internal diameter, and then enable inside of the heat conducting pipe completely by steam pipe, while will not also hinder steam to rise in drum；
In a preferred scheme of the invention, the vapor temperature-pressure device includes heater and compressor,
The vapor being passed through in vapor heating heater can be as needed, is heated and/or is compressed into different temperatures and pressure
Middle pressure steam or high steam, be then incorporated into dry coke quenching cogeneration facility and generated electricity.
The present invention is using the method flow of coke-oven plant's raw coke oven gas cogeneration with specific reference to as follows：By raw coke oven gas by tedge
Bottom is introduced, and after the heating section of heat conducting pipe absorbs heat in tedge, the heat-transfer working medium in heat conducting pipe is evaporated to steam；
Wherein, the startup of heat conducting pipe contains the coupling of many heat transfer modes：Conduction, convection current and radiation；Diabatic process master
Including：Fusing, the evaporation of liquid-vaqor interface and condensation, porous suction of the heat transfer, working medium of tube wall and liquid-sucking core in liquid-sucking core
Flowing of the compressible steam of the flowing of liquid and tube hub area etc. in wick-containing.The normal startup of high-temperature heat pipe is by various heat transfer poles
Startup all material impacts of the influence of limit, such as sonic limit, entrainment limit and sticky limit opposite heat tube；
It is preferred that, the process for being mounted with the heat conducting pipe spontaneous coagulation state startup of metal working medium (sodium, potassium or Na-K alloy) can
To be divided into five stages：
(1) first stage：The heat-pipe capillary fluid absorbing core for adsorbing liquid metal working medium is in most initial curdled appearance, heat conduction
The steam channel region of tube hub is in vacuum state；
(2) second stage：After being begun to warm up to heat conducting pipe evaporator section (i.e. heat conducting pipe heating section), heat is with heat-conducting mode
Incoming through tube wall, the working medium in liquid-sucking core starts fusing, but liquid-solid boundary is not up to liquid-sucking core gas lateral boundaries, and evaporator section does not steam
It was found that as occurring, heat conducting pipe central steam region is still in vacuum state；
(3) phase III：Working medium in heat conducting pipe evaporator section liquid-sucking core all melts, and evaporation starts in liquid-vaqor interface hair
It is raw, but steam pressure is very low, and evaporation is flowed still in free molecular flow motion states, meanwhile, at adiabatic section (i.e. heat conducting pipe span line)
In the liquid-sucking core of condensation segment (i.e. heat conducting pipe heat release section), part working medium still locates curdled appearance；
(4) fourth stage：With the continuous progress of evaporation, accumulation of the steam in evaporator section central area reaches a certain amount of
Afterwards, the steam continuous stream at this is just progressively set up, but near steam condensation segment (i.e. heat conducting pipe heat release section) end, steam
Still in thin free molecular flow states；
(5) the 5th stages：Working medium in liquid-sucking core all melts, and steam continuous stream is diffused into condensation segment end, makes heat conduction
Pipe whole sections reach the continuous stream mode of steam, and this represents that heat pipe has been enter into working condition, over time and heat
Lasting transmission, heat conducting pipe enters steady-working state；
In the heat release section of heat conducting pipe, the water and/or steam in steam unit are heated by heat transfer and heat radiation,
And vapor is generated, while working substance steam is condensed due to heat release, adsorbed again by liquid-sucking core；
Water in water pipe can progressively generate steam after the heat released in heat conducting pipe is absorbed, and steam ascension is entered
Enter in steam pipe, and the heat further discharged in steam pipe by heat transfer and thermal radiation absorption heat conducting pipe, and further give birth to
Into vapor, the vapor of generation further enters in drum along steam pipe to be collected；
The steam collected in drum is further delivered into vapor temperature-pressure device, and as needed, is heated
And/or it is compressed into middle pressure steam (2.5MPa ＜ P≤6MPa, 400 DEG C of ＜ T≤450 DEG C), or high steam (6MPa ＜ P≤
14MPa, 460 DEG C of ＜ T≤540 DEG C), it is then incorporated into dry coke quenching cogeneration facility and is generated electricity.
Embodiment 1
Fig. 1 is refer to, a kind of device for utilization coke-oven plant raw coke oven gas cogeneration that the embodiment of the present invention is provided includes
Heat-transfer device 1 and steam unit 2；
Wherein, heat-transfer device 1 includes heat conducting pipe 101, heat conducting pipe 102, heat conducting pipe 103, heat conducting pipe 104, and heat conducting pipe
105 etc. many heat conducting pipes for be arrangeding in parallel；
Steam unit 2 includes water pipe 201, steam pipe 202 and drum 203；
Wherein, heat conducting pipe 101 is helical structure, and is connected with steam pipe 202.
Further, heat conducting pipe 101 is hollow structure, and further comprises being provided with tube wall and liquid-sucking core, absorbent cores
It is used as the metallic sodium of heat-transfer working medium.
It refer in Fig. 2 and Fig. 3, raw coke oven gas TRT in coke-oven plant's of the present invention, steam unit 2 is spaced with tedge 3
Set, the two is connected by the heat-transfer device 1 for be arrangeding in parallel constituted by many heat conducting pipes as shown in heat conducting pipe 101；
Wherein, the heating section of heat conducting pipe 101 is arranged at the inwall of tedge 3, and absorbs in tedge 3 heat, and
The heat release section of heat conducting pipe 101 discharges heat, and it is (similar that heating generation vapor is carried out to the water in steam unit 2/steam
, the heating section of the grade heat conducting pipe of heat conducting pipe 102 is also disposed on the inwall of adjacent tedge, and is absorbed from corresponding tedge
Heat, then discharges heat in the heat release section of heat conducting pipe, and heating generation water steaming is carried out to the water in steam unit 2/steam
Gas), the vapor of generation is further delivered into vapor temperature-pressure device, generation middle pressure steam or high steam, so
After be incorporated in dry coke quenching cogeneration facility and generated electricity.
Embodiment 2
Fig. 1, Fig. 2 and Fig. 3 are refer to, one kind that the embodiment of the present invention is provided utilizes coke-oven plant's raw coke oven gas cogeneration
Method comprise the following steps：
Raw coke oven gas is introduced by the bottom of tedge 3, the heating section of heat conducting pipe 101 absorbs heat in tedge 3, heat conducting pipe
Metallic sodium working medium in 101 gradually melts, and forms Sodium vapour in the steam channel region at the center of heat conducting pipe 101, with evaporation
Continuous progress, steam the accumulation of evaporator section central area reach it is a certain amount of after, just progressively set up the continuous stream of steam；Inhale
Working medium in wick-containing all melts, and rear steam continuous stream is diffused into the end of the heat release section of heat conducting pipe 101, makes heat conducting pipe 101 complete
Portion's section reaches the continuous stream mode of steam, and heat conducting pipe 101 enters working condition, over time with the lasting biography of heat
Pass, heat conducting pipe 101 enters steady-working state；
Water in water pipe 201 is absorbing heat conducting pipe 101 after the heat that heat release section is discharged, and can progressively generate water
Vapour, steam ascension enters in steam pipe 202, and is further released in steam pipe 202 by heat transfer and thermal radiation absorption heat conducting pipe 101
Liberated heat, further generates vapor, and the vapor of generation further enters in drum 203 along steam pipe 202 to be collected；
Collected vapor travels further into centralized collection in higher level's drum 204 in multiple drums；
Vapor in higher level's drum 204 is further delivered into vapor temperature-pressure device, and generation pressure is more than
2.5MPa, less than or equal to 6MPa, and temperature is more than 400 DEG C, the middle pressure steam less than or equal to 450 DEG C；Or generation pressure is big
In 6MPa, less than or equal to 14MPa, temperature is more than 460 DEG C, and the low-pressure steam less than or equal to 540 DEG C is then incorporated into dry coke quenching waste heat
Generated electricity in power generating equipment.
In the inventive method, it is suitable to using the generation of coke-oven plant's raw coke oven gas waste heat in being applied in dry coke quenching cogeneration facility
Steam or high steam are pressed, the utilization rate of coke-oven plant's raw coke oven gas waste heat can be effectively improved, while can also be done using existing
Quenching cogeneration facility, reduces cost of electricity-generating, for existing low-pressure steam or conduction oil, and the present invention is more
Rationally, the coke-oven plant's raw coke oven gas waste heat that efficiently make use of.
Further, in the present invention, tedge and steam unit are arranged at intervals, the two only conducts heat by heat-transfer device
Amount, without conducting pressure, this also avoids the potential safety hazard that traditional pressure passageway is brought, thus compared to traditional famine
For coal gas residual-heat utilization method, the inventive method is safer reliable.
Although illustrate and describing the present invention with specific embodiment, but it will be appreciated that without departing substantially from the present invention's
Many other changes and modification can be made in the case of spirit and scope.It is, therefore, intended that in the following claims
Including belonging to all such changes and modifications in the scope of the invention.
Claims (10)
1. a kind of method of utilization coke-oven plant raw coke oven gas cogeneration, it is characterised in that methods described comprises the following steps：
By raw coke oven gas waste heat recovery, generation middle pressure steam and/or high steam, then by the middle pressure steam generated and/or high pressure
Steam is incorporated in dry coke quenching device for generating power by waste heat and generated electricity.
2. the method for utilization coke-oven plant raw coke oven gas cogeneration according to claim 1, it is characterised in that the raw coke oven gas
Waste heat recovery comprises the following steps：By heat-transfer device by heat by being conducted in tedge into spaced steam unit,
And steam is generated in steam unit.
3. the method for utilization coke-oven plant raw coke oven gas cogeneration according to claim 2, it is characterised in that methods described is also
Further comprise by heating and/or pressurization steaming the steam generated in steam unit to obtain middle pressure steam and/or high pressure
The step of vapour.
4. the method for utilization coke-oven plant raw coke oven gas cogeneration according to claim 1, it is characterised in that medium pressure is steamed
The pressure of vapour is more than 2.5MPa, less than or equal to 6MPa, and the temperature of middle pressure steam is more than 400 DEG C, less than or equal to 450 DEG C；
And/or, the pressure of the high steam is more than 6MPa, and less than or equal to 14MPa, the temperature of high steam is small more than 460 DEG C
In equal to 540 DEG C.
5. realizing the device that coke-oven plant's raw coke oven gas method for power generation by waste heat is utilized any one of claim 1-4, its feature exists
In described device includes heat-transfer device, steam unit and vapor temperature-pressure device.
6. device according to claim 5, it is characterised in that the heat-transfer device respectively with tedge and steam unit phase
Connection, and raw coke oven gas waste heat is conducted into the steam unit being arranged at outside certain distance by tedge.
7. device according to claim 5, it is characterised in that the heat-transfer device includes many heat conduction being set up in parallel
Pipe；
Wherein, the heating section of the heat conducting pipe is arranged at rising inside pipe wall；The heat release section of the heat conducting pipe is connected with steam unit
Connect, and the water in steam unit and/or steam are heated by heat release, produce steam.
8. device according to claim 7, it is characterised in that the heat conducting pipe includes tube wall and liquid-sucking core；
Wherein, it is provided with heat-transfer working medium in liquid-sucking core.
9. device according to claim 5, it is characterised in that the steam unit includes water pipe, steam pipe and drum；
Wherein, the steam pipe is connected with water pipe and drum respectively.
10. device according to claim 5, it is characterised in that the pressurized, heated device includes heater and compression
Machine.
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| CN201686659U (en) * | 2010-02-05 | 2010-12-29 | 北京得能创新科技有限公司 | Waste heat power generating device of coke oven riser |
| CN201916883U (en) * | 2010-12-20 | 2011-08-03 | 武汉钢铁(集团)公司 | Coke oven ascending pipe afterheat utilization device with multiple spiral coil pipes |
| WO2014065158A1 (en) * | 2012-10-25 | 2014-05-01 | バブコック日立株式会社 | Combined power generation plant |
| CN104728821A (en) * | 2015-03-10 | 2015-06-24 | 南京圣诺热管有限公司 | Ascending pipe raw gas waste heat utilizing boiler system |
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Application publication date: 20170804 |