CN206479052U - A kind of electric converter gas afterheat generating system - Google Patents
A kind of electric converter gas afterheat generating system Download PDFInfo
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- CN206479052U CN206479052U CN201720118516.5U CN201720118516U CN206479052U CN 206479052 U CN206479052 U CN 206479052U CN 201720118516 U CN201720118516 U CN 201720118516U CN 206479052 U CN206479052 U CN 206479052U
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- flue
- gasification cooling
- cooling flue
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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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Abstract
The utility model discloses a kind of electric converter gas afterheat generating system, the first gasification cooling flue that exhanst gas outlet including the watercooling elbow above electric converter is sequentially communicated along flow of flue gas direction, second gasification cooling flue, combustion settling chamber, 3rd gasification cooling flue and waste heat boiler, evaporator in waste heat boiler, economizer is sequentially arranged along flow of flue gas direction, the smoke waste heat utilization system is divided into low pressure vapor system according to operating pressure difference again, high pressure boiler circuit, wherein, low pressure vapor system is used for the fire door for cooling down the first gasification cooling flue and combustion settling chamber, supplied and fed water by low pressure drum oxygen-eliminating device, so as to produce low-pressure steam；And the high pressure boiler circuit is used to cool down the second gasification cooling flue, the bell of combustion settling chamber, the 3rd gasification cooling flue, waste heat boiler, water is supplied to by high pressure drum, so as to produce high steam, the steam that high pressure drum is exported driving steam turbine after storage heater is handled drives electrical power generators.
Description
Technical field
The utility model is related to the field of energy-saving technology of steel industry, specifically, is related to a kind of electric converter gas waste heat
Electricity generation system.
Background technology
Electric converter is the converter for gradually growing up in recent years and progressively promoting the use of, and electric converter is both different from oxygen top
Blow converter, is the technology combination of oxygen top-blown converter and direct current electric arc furnace also different from direct current electric arc furnace.In electric converter smelting
During, substantial amounts of high-temperature flue gas can be produced (maximum temperature is even up to more than 1600 DEG C).These high-temperature flue gas not only band
Substantial amounts of heat energy has been walked, but also the operation of downstream cleaner can be influenceed, and then has brought problem of environmental pollution.
In recent years, how will be aobvious in steel making working procedure high-temperature flue gas with pay attention to day by day of the iron and steel enterprise to energy-saving and emission-reduction
It is hot fully to reclaim, become " useless " into treasured, have become steel-making enterprise increasingly concern.Because electric converter was risen in recent years
Steelmaking equipment, has not yet been formed the recovery side used in a set of perfect electric converter high-temperature flue gas UTILIZATION OF VESIDUAL HEAT IN scheme, engineering at present
Formula is generally more extensive, designs heat-exchange system not according to the height of flue gas taste, cannot also make full use of fume afterheat.
Therefore, structure is a kind of can make full use of the scheme of electric converter gas residual heat resources, it is fully reclaimed electric converter gas
Waste heat and rationally utilized, more considerable economic well-being of workers and staff can be necessarily produced, with important practical significance.
Utility model content
According to one side of the present utility model there is provided a kind of electric converter gas afterheat generating system, including from electric turn
The first gasification cooling flue that the exhanst gas outlet of watercooling elbow above stove is sequentially communicated along flow of flue gas direction, the second vaporization are cold
But evaporator, economizer in flue, combustion settling chamber, the 3rd gasification cooling flue and waste heat boiler, waste heat boiler are along cigarette
Flow of air direction sequentially arranges that the electric converter gas afterheat generating system is divided into low-pressure steam water system according to operating pressure difference again
System, high pressure boiler circuit, wherein, the low pressure vapor system is used for the stove for cooling down the first gasification cooling flue and combustion settling chamber
Door, is fed water by low pressure drum-oxygen-eliminating device supply, so as to produce low-pressure steam；And the high pressure boiler circuit is used to cool down second
Gasification cooling flue, the bell of combustion settling chamber, the 3rd gasification cooling flue, waste heat boiler, water is supplied to by high pressure drum, from
And high steam is produced, the high pressure drum is sequentially communicated by jet chimney and storage heater, steam turbine, is gone out from the storage heater
The stable steam come enters the steam turbine, so as to drive the steam turbine to drive electrical power generators.
Preferably, the low pressure vapor system includes low pressure drum-oxygen-eliminating device, low pressure recycle pump, the low pressure drum-remove
Oxygen device is connected by the first down-comer with low pressure recycle pump, and the outlet pipeline of the low pressure recycle pump branches into two-way, all the way with
The apparatus for vapour-cooling water inlet of the fire door of the water inlet connection of first gasification cooling flue, another road and combustion settling chamber connects
It is logical, the venthole of first gasification cooling flue, the venthole of the apparatus for vapour-cooling of the fire door of the combustion settling chamber with
The rising mouth of pipe connection of the low pressure drum-oxygen-eliminating device, and the high pressure boiler circuit includes feed pump, high pressure drum, height
Press circulating pump, the low pressure drum-oxygen-eliminating device is connected by the first outlet pipe with feed pump, the outlet pipeline of the feed pump and
The water inlet connection of economizer in the waste heat boiler, the water inlet of the delivery port of the economizer and the high pressure drum connects
Lead to, and the high pressure drum is connected by the second down-comer with the high-pressure circulation pump, the outlet of the high-pressure circulation pump
Road is divided into multiple branch roads, water inlet respectively with second gasification cooling flue, the water inlet of the 3rd gasification cooling flue
Mouthful and combustion settling chamber bell apparatus for vapour-cooling water inlet connection, second gasification cooling flue goes out vapour
The venthole of the apparatus for vapour-cooling of the bell of mouth, the venthole of the 3rd gasification cooling flue and combustion settling chamber leads to
Piping is connected with the rising mouth of pipe of the high pressure drum, forms enclosed forced circulation loop, and the high pressure drum passes through the 3rd
Down-comer is connected with the water inlet of the evaporator in the waste heat boiler, the venthole of the evaporator and the high pressure drum
Rise mouth of pipe connection, form a natural convection loop.
Preferably, the outlet vapor pipeline of the storage heater also separates the auxiliary of branch road and low pressure drum-oxygen-eliminating device all the way
Heat vapor interface connection.
Preferably, in waste heat boiler, it is additionally provided with the fume side downstream of the economizer using the solidifying of counter-flow arrangement
Preheater is born water, for being preheated to the condensate that steam turbine comes, blow-off line and condenser, the condensate of the steam turbine
The water inlet of condensation water preheater, low pressure drum-oxygen-eliminating device in pump, waste heat boiler is sequentially connected along Water flow-path is condensed.
Preferably, it is provided with convection pass, the convection pass and sets between the 3rd gasification cooling flue and waste heat boiler
It is equipped with the convection recuperator using counter-flow arrangement, the outlet conduit of the high-pressure circulation pump and separates a branch road and the convection current
The water inlet of convection recuperator in flue is connected, and the venthole of the convection recuperator passes through pipeline and the high pressure drum
Rise the mouth of pipe to be connected.
Preferably, first gasification cooling flue is using portable flue, second gasification cooling flue and the 3rd
Gasification cooling flue uses fixed flue, the gas approach end of first gasification cooling flue and the cigarette of the watercooling elbow
The gas port of export connects and has default gap, the smoke outlet of first gasification cooling flue and second Vaporizing cooling
The gas approach end connection of flue；Draw-gear is installed on first gasification cooling flue, the draw-gear can drive
One gasification cooling flue is moved horizontally, and the smoke outlet of the first gasification cooling flue be then attached to it is described second vaporization it is cold
But move horizontally, so as to control the gap between the first gasification cooling flue and watercooling elbow, enter on the gas approach end of flue
And adjust the combustion air amount into the first gasification cooling flue.
Preferably, the evaporator uses counter-flow arrangement, and the water inlet of the evaporator is located at the low-temperature flue gas of evaporator
End, the venthole of the evaporator is located at the high-temperature flue gas end of evaporator.
Brief description of the drawings
By the way that embodiment is described with reference to accompanying drawings below, features described above of the present utility model and technological merit will
Become more fully apparent and be readily appreciated that.
Fig. 1 is the schematic diagram for the electric converter gas afterheat generating system for representing the utility model embodiment.
Wherein, electric converter 1, watercooling elbow 2, the first gasification cooling flue 3, the second gasification cooling flue 4, combustion settling chamber
5th, the 3rd gasification cooling flue 6, convection pass 7, waste heat boiler 8 (include evaporator 81, economizer 82, condense water preheater
83), low pressure drum-oxygen-eliminating device 9, high pressure drum 10, low pressure recycle pump 11, feed pump 12, high-pressure circulation pump 13, storage heater 14,
Steam turbine 15, generator 16, condenser 17, condensate pump 18, the first down-comer 91, the first outlet pipe 92, the second down-comer
101st, the 3rd down-comer 102.
Embodiment
The embodiment of electric converter gas afterheat generating system described in the utility model described below with reference to the accompanying drawings.This
The those of ordinary skill in field will recognize, in the case of without departing from spirit and scope of the present utility model, can be with respectively
The different mode of kind or its combination are modified to described embodiment.Therefore, accompanying drawing and description are inherently illustrative
, it is not intended to limit the scope of the claims.In addition, in this manual, accompanying drawing is drawn not in scale, and phase
Same reference represents identical part.It should be noted that it should be noted that high pressure described in the utility model, low pressure
It is that the differentiation carried out to distinguish the pressure rating of boiler circuit is named (such as：High steam, the pressure of low-pressure steam are set respectively
It is calculated as 2.45MPa, 0.5MPa), not absolute high pressure (such as 9.81MPa), absolute low pressure (such as 0.8MPa), also, following carbonated drink
Flow in flow direction direction as shown in arrow in figure.
The utility model discloses a kind of electric converter gas afterheat generating system, including the water cooling from the electric top of converter 1 is curved
The first gasification cooling flue 3 that first 2 exhanst gas outlet is sequentially communicated along flow of flue gas direction, the second gasification cooling flue 4, burning
Expansion chamber 5, the 3rd gasification cooling flue 6 and waste heat boiler 8, the flue gas discharged through waste heat boiler 8 enter downstream as shown by arrow A
Dust removal installation, is emitted after further dedusting.Evaporator 81, economizer 82 in waste heat boiler 8 are along flow of flue gas side
To sequentially arranging, power generation system with residual heat of fume is divided into low pressure vapor system, high pressure boiler circuit according to operating pressure difference again, its
In, the low pressure vapor system is used for the fire door 51 for cooling down the first gasification cooling flue 3 and combustion settling chamber 5, by low pressure drum-
The supply feedwater of oxygen-eliminating device 9, so as to produce low-pressure steam, the low pressure drum-oxygen-eliminating device is the combination of low pressure drum and oxygen-eliminating device, is removed
Oxygen device is installed on the top of low pressure drum, and low pressure drum can double as deoxygenation water tank.And the high pressure boiler circuit is used to cool down
Second gasification cooling flue 4, the bell 52 of combustion settling chamber 5, the 3rd gasification cooling flue 6, waste heat boiler 8, by high pressure drum
10 (also known as drum, is most important pressure parts in natural circulation boiler) supply feedwater, so that high steam is produced, the height
Press the steam that drum 10 is exported to coordinate after the processing of storage heater 14 with steam turbine 15, generator 16 and complete UTILIZATION OF VESIDUAL HEAT IN.Specifically
Ground says that the venthole of the high pressure drum 10 is connected with the air intake of storage heater 14, and the venthole of storage heater 14 is to steam turbine 15
Steam is supplied, so as to drive the steam turbine to drive generator 16 to generate electricity.Especially, storage heater 14 also separate a bye-pass with it is low
The auxiliary heating vapor interface of drum-oxygen-eliminating device 9 is pressed to be connected.
Low pressure vapor system, high pressure boiler circuit the following detailed description of electric converter gas afterheat generating system.To ensure
The quick cooling of the first gasification cooling flue in temperature end, and in view of the activity of combustion settling chamber fire door, the first vapour
Change cooling stack and the cooling of combustion settling chamber fire door uses low pressure vapor system.As shown in figure 1, the low pressure vapor system includes
Low pressure drum-oxygen-eliminating device 9, low pressure recycle pump 11, the low pressure drum-oxygen-eliminating device 9 pass through the first down-comer 91 and low pressure recycle
Pump 11 is connected, the outlet pipeline of the low pressure recycle pump 11 branches into two-way, is entered all the way with first gasification cooling flue 3
The mouth of a river is connected, and another road is connected with the apparatus for vapour-cooling water inlet of the fire door 51 of the combustion settling chamber 5, first vaporization
The venthole of cooling stack 3, the venthole of the apparatus for vapour-cooling of the fire door 51 of the combustion settling chamber 5 and the low pressure cooker
The rising mouth of pipe connection of cylinder-oxygen-eliminating device 9.
High pressure boiler circuit is used for other heat-exchange systems, the lower water fed water by the of a relatively high high pressure drum 10 of pressure
To supply, so that with more economical mode Mist heat recovering.The high pressure boiler circuit includes feed pump 12, high pressure drum
10, the low pressure drum-oxygen-eliminating device 9 is connected by the first outlet pipe 92 with feed pump 12, the outlet pipeline of the feed pump 12
Connected with the water inlet of the economizer 82 in the waste heat boiler 8, the delivery port of the economizer 82 and the high pressure drum 10
Water inlet connection.
The high pressure drum 10 is connected by the second down-comer 101 with the high-pressure circulation pump 13, the high-pressure circulation pump
13 outlet conduit is divided into multiple branch roads, water inlet, the 3rd Vaporizing cooling respectively with second gasification cooling flue 4
The water inlet connection of the apparatus for vapour-cooling of the water inlet of flue 6 and the bell 52 of combustion settling chamber 5, second vaporization is cold
But the vaporization of the bell 52 of the venthole of flue 4, the venthole of the 3rd gasification cooling flue 6 and combustion settling chamber 5 is cold
But the venthole of device is connected by pipeline with the rising mouth of pipe of the high pressure drum 10, forms enclosed forced circulation loop.
The water inlet phase that the high pressure drum 10 passes through the 3rd down-comer 102 and the evaporator 81 in the waste heat boiler 8
Even, the venthole of the evaporator 81 is connected with the rising mouth of pipe of the high pressure drum 10, forms a natural convection loop.
Electric converter gas afterheat generating system reasonable Arrangement gasification cooling flue, waste heat boiler, high pressure drum and the low pressure
Drum-oxygen-eliminating device, forms high pressure boiler circuit and low pressure vapor system, can fully absorb fume afterheat.
In one alternate embodiment, the condensate using counter-flow arrangement is additionally provided with the fume side downstream of economizer 82
Preheater 83, for being preheated to the condensate that steam turbine comes, blow-off line and condenser 17, the condensation of the steam turbine 15
The water inlet edge of condensation water preheater 83, low pressure drum-oxygen-eliminating device 9 in water pump 18, waste heat boiler condenses Water flow-path phase successively
Even.Especially, condense water preheater 83 and use counter-flow arrangement, that is to say, that the water inlet for condensing water preheater is located at waste heat pot
The low-temperature flue gas end of the condensation water preheater 83 of stove 8, the venthole of the condensation water preheater of the waste heat boiler is located at waste heat pot
The high-temperature flue gas end of the condensation water preheater of stove.
In one alternate embodiment, convection pass 7 is provided between the 3rd gasification cooling flue and waste heat boiler, it is described
It is provided with convection pass 7 on the convection recuperator using counter-flow arrangement, the outlet conduit of the high-pressure circulation pump 13 and separates one
Individual branch road is connected with the water inlet of the convection recuperator in the convection pass, and convection recuperator in the convection pass goes out
Steam ports is connected by pipeline with the rising mouth of pipe of the high pressure drum 10.Especially, convection recuperator uses counter-flow arrangement, also
It is to say, the water inlet of convection recuperator is located in the low-temperature flue gas end of the convection recuperator in convection pass, the convection pass
Convection recuperator venthole be located at convection pass in convection recuperator high-temperature flue gas end.
In one alternate embodiment, the first gasification cooling flue 3, the second gasification cooling flue 4, the 3rd Vaporizing cooling cigarette
Road 6 uses down current arrangement mode, specifically, and the water inlet of the first gasification cooling flue 3 is located at the first gasification cooling flue 3
High-temperature flue gas end, the venthole of the first gasification cooling flue 3 is located at the low-temperature flue gas end of the first gasification cooling flue 3.Second
The water inlet of gasification cooling flue 4 is located at the high-temperature flue gas end of the second gasification cooling flue 4, second gasification cooling flue 4
Venthole be located at the second gasification cooling flue 4 low-temperature flue gas end.The water inlet of 3rd gasification cooling flue 6 is located at the
The high-temperature flue gas end of three gasification cooling flues 6, the venthole of the 3rd gasification cooling flue 6 is located at the 3rd gasification cooling flue
6 low-temperature flue gas end.
In one alternate embodiment, the evaporator 81 uses counter-flow arrangement, specifically, and the evaporator 81 enters
The mouth of a river is located at the low-temperature flue gas end of evaporator, and the venthole of the evaporator 81 is located at the high-temperature flue gas end of evaporator.
In one alternate embodiment, the economizer 82 also uses counter-flow arrangement, the water inlet position of the economizer 82
In the low-temperature flue gas end of economizer 82, the venthole of the economizer 82 is located at the high-temperature flue gas end of economizer.
In one alternate embodiment, first gasification cooling flue 3 is using portable flue, and second vaporization is cold
But the gasification cooling flue 6 of flue 4 and the 3rd use fixed flue, the gas approach end of first gasification cooling flue 4 with
The smoke outlet of the watercooling elbow 2 connects and has default gap, the smoke outlet of first gasification cooling flue 3
Connected with the gas approach end of second gasification cooling flue 4.Traction dress is installed on first gasification cooling flue 3
Put, the draw-gear can drive the first gasification cooling flue 3 to be moved horizontally, and the flue gas of the first gasification cooling flue 3 goes out
Mouth end, which is then attached on the gas approach end of second gasification cooling flue 4, to be moved horizontally, so as to control the first Vaporizing cooling cigarette
Gap between road 3 and watercooling elbow 2, and then adjust the combustion air amount into the first gasification cooling flue 3.
In summary, electric converter gas afterheat generating system of the present utility model has the advantages that：
(1) the high-temperature flue gas waste heat of electric converter is fully reclaimed, producing steam is used to generate electricity, cold by vaporizing first
But mode reclaims the high-temperature flue gas used heat of electric converter, then further absorbs fume afterheat by convection pass and reduces
Flue-gas temperature, to improve waste heat boiler service condition, the fume waste heat of electric converter is reclaimed finally by the mode of waste heat boiler,
Flue-gas temperature is reduced to certain temperature, waste heat has not only been reclaimed, can also be provided for the safe operation of the dust removal installation in downstream
Condition.
(2) height sampled according to flue gas carries out the optimal design-aside of heating surface, in high pressure boiler circuit and low-pressure steam water system
The design of system, and gasification cooling flue, waste heat boiler and low pressure drum-oxygen-eliminating device, the connection of high pressure drum set comprehensive
The security and heat-economy of consideration system, being capable of more rational Mist heat recovering.
(3) afterbody heating surface is typically arranged to economizer by traditional waste heat boiler, and the utility model is in waste heat
Boiler tail is additionally arranged condensation water preheater, and the fume afterheat after economizer cools is used for entering the condensate that steam turbine comes
Row preheating, not only further absorbs fume afterheat, improves the heat-economy of afterheat generating system, and improves low pressure cooker
Cylinder-oxygen-eliminating device inflow temperature, reduces the heat transfer temperature difference of whole condensate heat-exchange system, reduces its exergy destruction that exchanges heat, improves
Effective utilization rate of energy.In addition, the flue-gas temperature of downstream dust removal installation can be also lowered into by condensing the setting of water preheater, protect
The safe operation of dust removal installation is demonstrate,proved, and improves its running environment, extends its service life.
(4) the first gasification cooling flue gas approach and water cooling are adjusted by moving horizontally for the first gasification cooling flue
Gap between elbow exhanst gas outlet, to control the air capacity sucked from the gap, and then controls the burning of electric converter gas, should
Method with routinely use realized by sliding sleeve furnace gas combustion air amount adjust method compared with, with more preferable operability
And stability, system can more bear severe service condition, it is possible to decrease conventional method causes electric converter blowing out due to sliding sleeve failure
Frequency, system service life is longer.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this area
Technical staff for, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle within,
Any modification, equivalent substitution and improvements made etc., should be included within protection domain of the present utility model.
Claims (7)
1. a kind of electric converter gas afterheat generating system, includes the exhanst gas outlet edge of the watercooling elbow (2) above electric converter (1)
The first gasification cooling flue (3) that flow of flue gas direction is sequentially communicated, the second gasification cooling flue (4), combustion settling chamber (5),
Evaporator (81), economizer (82) in 3rd gasification cooling flue (6) and waste heat boiler (8), waste heat boiler (8) are along flue gas
Flow direction is sequentially arranged, it is characterised in that
The electric converter gas afterheat generating system is divided into low pressure vapor system, high pressure carbonated drink according to operating pressure difference again
System, wherein,
The low pressure vapor system is used for the fire door (51) for cooling down the first gasification cooling flue (3) and combustion settling chamber (5), by low
Drum-oxygen-eliminating device (9) supply feedwater is pressed, so as to produce low-pressure steam；And
The high pressure boiler circuit is used to cool down the second gasification cooling flue (4), the bell (52) of combustion settling chamber (5), the 3rd
Gasification cooling flue (6), waste heat boiler (8), are supplied by high pressure drum (10) and fed water, so that high steam is produced,
The high pressure drum (10) is sequentially communicated by jet chimney with storage heater (14), steam turbine (15), from the storage heater
Stable steam out enters the steam turbine, so as to drive the steam turbine to drive generator (16) to generate electricity.
2. electric converter gas afterheat generating system according to claim 1, it is characterised in that
The low pressure vapor system includes low pressure drum-oxygen-eliminating device (9), low pressure recycle pump (11), the low pressure drum-oxygen-eliminating device
(9) it is connected by the first down-comer (91) with low pressure recycle pump (11), the outlet pipeline of the low pressure recycle pump (11) is branched into
Two-way, all the way the water inlet with the first gasification cooling flue (3) connect, the fire door (51) of another road and combustion settling chamber (5)
Apparatus for vapour-cooling water inlet is connected, venthole, the stove of the combustion settling chamber (5) of first gasification cooling flue (3)
The venthole of the apparatus for vapour-cooling of door (51) is connected with the rising mouth of pipe of the low pressure drum-oxygen-eliminating device (9), and
The high pressure boiler circuit include feed pump (12), high pressure drum (10), high-pressure circulation pump (13), the low pressure drum-
Oxygen-eliminating device (9) is connected by the first outlet pipe (92) with feed pump (12), the outlet pipeline of the feed pump (12) with it is described remaining
The water inlet connection of economizer (82) in heat boiler (8), the delivery port of the economizer (82) and the high pressure drum (10)
Water inlet connection, and
The high pressure drum (10) is connected by the second down-comer (101) with the high-pressure circulation pump (13), the cycle of higher pressure
The outlet conduit of pump (13) is divided into multiple branch roads, water inlet, the 3rd vapour respectively with second gasification cooling flue (4)
Change the water inlet connection of the apparatus for vapour-cooling of the water inlet of cooling stack (6) and the bell (52) of combustion settling chamber (5), institute
State venthole, the venthole and combustion settling chamber of the 3rd gasification cooling flue (6) of the second gasification cooling flue (4)
(5) venthole of the apparatus for vapour-cooling of bell (52) is connected by pipeline and the rising mouth of pipe of the high pressure drum (10)
It is logical, enclosed forced circulation loop is formed,
The water inlet that the high pressure drum (10) passes through the evaporator (81) in the 3rd down-comer (102) and the waste heat boiler (8)
Mouth is connected, and the venthole of the evaporator (81) is connected with the rising mouth of pipe of the high pressure drum (10), forms one and follows naturally
Loop back path.
3. electric converter gas afterheat generating system according to claim 1, it is characterised in that
The auxiliary that the outlet vapor pipeline of the storage heater (14) also separates branch road and low pressure drum-oxygen-eliminating device (9) all the way is heated
Vapor interface is connected.
4. electric converter gas afterheat generating system according to claim 1, it is characterised in that in waste heat boiler, in institute
The fume side downstream for stating economizer (82) is additionally provided with the condensation water preheater (83) for using counter-flow arrangement, for coming to steam turbine
Condensate preheated, the blow-off line of the steam turbine with it is solidifying in condenser (17), condensate pump (18), waste heat boiler
The water inlet for bearing water preheater (83), low pressure drum-oxygen-eliminating device (9) is sequentially connected along Water flow-path is condensed.
5. electric converter gas afterheat generating system according to claim 1, it is characterised in that
It is provided with convection pass, the convection pass and is provided with using adverse current between 3rd gasification cooling flue and waste heat boiler
A branch road and the convection current in the convection pass are separated on the convection recuperator of arrangement, the outlet conduit of the high-pressure circulation pump
The water inlet of heat exchanger is connected, the rising mouth of pipe phase that the venthole of the convection recuperator passes through pipeline and the high pressure drum
Even.
6. electric converter gas afterheat generating system according to claim 1, it is characterised in that
First gasification cooling flue is using portable flue, second gasification cooling flue and the 3rd gasification cooling flue
Using fixed flue, the gas approach end of first gasification cooling flue is connected with the smoke outlet of the watercooling elbow
And have a default gap,
The smoke outlet of first gasification cooling flue is connected with the gas approach end of second gasification cooling flue；
Draw-gear is installed on first gasification cooling flue, the draw-gear can drive the first gasification cooling flue to carry out
Move horizontally, and the smoke outlet of the first gasification cooling flue is then attached to the gas approach end of second gasification cooling flue
On move horizontally, so as to control the gap between the first gasification cooling flue and watercooling elbow, and then adjust and enter the first vaporization
The combustion air amount of cooling stack.
7. electric converter gas afterheat generating system according to claim 1, it is characterised in that
The evaporator uses counter-flow arrangement, and the water inlet of the evaporator is located at the low-temperature flue gas end of evaporator, the evaporation
The venthole of device is located at the high-temperature flue gas end of evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720118516.5U CN206479052U (en) | 2017-02-08 | 2017-02-08 | A kind of electric converter gas afterheat generating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720118516.5U CN206479052U (en) | 2017-02-08 | 2017-02-08 | A kind of electric converter gas afterheat generating system |
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| CN206479052U true CN206479052U (en) | 2017-09-08 |
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| CN201720118516.5U Withdrawn - After Issue CN206479052U (en) | 2017-02-08 | 2017-02-08 | A kind of electric converter gas afterheat generating system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106839790A (en) * | 2017-02-08 | 2017-06-13 | 中冶华天工程技术有限公司 | A kind of electric converter gas afterheat generating system |
| CN110345455A (en) * | 2019-01-02 | 2019-10-18 | 中冶华天工程技术有限公司 | Internal combustion engine smoke evacuation chilldown system based on waste heat recycling |
-
2017
- 2017-02-08 CN CN201720118516.5U patent/CN206479052U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106839790A (en) * | 2017-02-08 | 2017-06-13 | 中冶华天工程技术有限公司 | A kind of electric converter gas afterheat generating system |
| CN106839790B (en) * | 2017-02-08 | 2020-01-10 | 中冶华天工程技术有限公司 | Electricity converter flue gas waste heat power generation system |
| CN110345455A (en) * | 2019-01-02 | 2019-10-18 | 中冶华天工程技术有限公司 | Internal combustion engine smoke evacuation chilldown system based on waste heat recycling |
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