CN206722889U - A kind of central cooler low temperature waste gas and sintering smoke from big gas duct waste heat comprehensive utilization system - Google Patents
A kind of central cooler low temperature waste gas and sintering smoke from big gas duct waste heat comprehensive utilization system Download PDFInfo
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- CN206722889U CN206722889U CN201720599965.6U CN201720599965U CN206722889U CN 206722889 U CN206722889 U CN 206722889U CN 201720599965 U CN201720599965 U CN 201720599965U CN 206722889 U CN206722889 U CN 206722889U
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- waste
- central cooler
- heat recovery
- sintering
- recovery device
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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
Abstract
The utility model discloses a kind of central cooler low temperature waste gas and sintering smoke from big gas duct waste heat comprehensive utilization system.Including drum, central cooler low-temperature space waste-heat recovery device, sintering large flue waste-heat recovery device and steam electric power generator；The delivery port of the central cooler low-temperature space waste-heat recovery device connects with the water inlet of the drum, the delivery port of the drum connects with the water inlet of the sintering large flue waste-heat recovery device, the carbonated drink outlet of the sintering large flue waste-heat recovery device connects with the carbonated drink entrance of the drum, the steam (vapor) outlet of the drum connects with the steam ports that enters of the steam electric power generator, and the delivery port of the steam electric power generator connects with the water inlet of the central cooler low-temperature space waste-heat recovery device.The utility model has reclaimed the high-temperature flue gas waste heat of sintering machine sintering and 100~150 DEG C of low temperature waste gas waste heats in the area of central cooler III, and according to the second law of thermodynamics, reasonable Arrangement heating surface, step fume afterheat, improves waste heat recovery volume to greatest extent.
Description
Technical field
It the utility model is related to a kind of sintering waste heat utilization system.
Background technology
The residual heat resources of sintering production process are mainly included on the high-temperature waste flue gas waste heat and central cooler of sintering machine sintering
Sintering ore cooling waste gas waste heat two parts, in sintering circuit total energy consumption, the waste heat band of this two parts waste gas walks close to 50% heat
Amount.At present, waste heat recovery of the sintering plant of most domestic to sintering is mainly on central cooler more than the high-temp waste gas in Ith area and IIth area
Recuperation of heat, typically directly discharged for the low temperature waste gas in IIIth area, do not do waste heat recovery.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of central cooler low temperature waste gas and sintering smoke from big gas duct residual heat integrative
Utilize system.
To reach above-mentioned purpose, a kind of central cooler low temperature waste gas of the utility model and sintering smoke from big gas duct residual heat integrative profit
With system, including drum, central cooler low-temperature space waste-heat recovery device, sintering large flue waste-heat recovery device and steam-electric power dress
Put；
The water inlet of the delivery port and the drum of the central cooler low-temperature space waste-heat recovery device is connected by feedwater piping
Logical, the delivery port of the drum connects with the water inlet of the sintering large flue waste-heat recovery device, more than the sintering large flue
The carbonated drink outlet of heat reclamation device connects with the carbonated drink entrance of the drum, the steam (vapor) outlet of the drum and the steam-electric power
Device enters steam ports connection, and the delivery port of the steam electric power generator enters water with the central cooler low-temperature space waste-heat recovery device
Mouth connection；
The steam electric power generator includes steam turbine and generator；The steam turbine is connected with generator by shaft coupling；
The air intake of the steam turbine is connected by pipeline with the venthole of drum, and Steam Actuation steam turbine rotates acting and is delivered to generating
On machine.
Further, the steam electric power generator also includes condenser, and the water inlet of the condenser passes through pipeline and benefit
The delivery port connection of vapour condensing turbine, the delivery port of the condenser are filled by pipeline and the waste heat recovery of central cooler low-temperature space
The water inlet connection put.
Further, it is provided with condensate on the pipeline between condenser and central cooler the low-temperature space waste-heat recovery device
Pump.
Further, central cooler low-temperature space waste-heat recovery device includes water tank, is arranged on above the area of central cooler III along flue gas
The economizer and feed water preheater that flow direction is set gradually.
Wherein, the going out of the feed water preheater, water inlet are respectively by pipeline and the water tank inlet and the condensation
Device connects；The going out of the economizer, water inlet is connected by pipeline with the drum and water outlet of water tank respectively.
Further, the evaporator that large flue waste-heat recovery device includes being arranged in sintering large flue, the steaming are sintered
Hair the going out of device, water inlet connects with the drum.
Further, the water inlet of the central cooler low-temperature space waste-heat recovery device connects with feedwater piping, the feedwater
Feed-regulating valve group is provided with pipeline；
Feed-regulating valve group described in liquid level sensor is provided with the water separator to be used to receive liquid level sensor
The signal sent is so as to controlling water separator water level within a preset range.
Further, the drum, including multiple water inlets and multiple delivery ports.
Further, it is provided with oxygen-eliminating device on the water tank, the water in water supply case carries out deoxygenation.
The utility model has reclaimed two kinds of residual heat resources of generation in sintering industrial production：More than the high-temperature flue gas of sintering machine sintering
Heat (sintering large flue in) and low temperature (100~150 DEG C) waste gas residual heat in the area of central cooler III, and according to the second law of thermodynamics,
Reasonable Arrangement heating surface, step fume afterheat, improves waste heat recovery volume to greatest extent, reduces the operating cost of sintering plant.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of central cooler low temperature waste gas and sintering smoke from big gas duct waste heat comprehensive utilization system.
Central cooler 1；Sinter large flue 2；Steam turbine 3；Condensate pump 4；Feed water preheater 5；Deaerator and water tank 6；Feedwater
Pump 7；Economizer 8；Drum 9；Evaporator 10；Generator 11；Condenser 12.
It should be noted that these accompanying drawings and word description are not intended as limits design of the present utility model in any way
Scope, but be that those skilled in the art illustrate concept of the present utility model by reference to specific embodiment.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in embodiment is clearly and completely described, following examples are used to illustrate this
Utility model, but it is not limited to the scope of the utility model.
, it is necessary to explanation, the orientation of the instruction such as term " on ", " under ", " interior ", " outer " in description of the present utility model
Or position relationship is based on orientation shown in the drawings or position relationship, is for only for ease of description the utility model and simplification is retouched
State, rather than instruction or imply signified device or element there must be specific orientation, with specific azimuth configuration and operation,
Therefore it is not intended that to limitation of the present utility model.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " 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 by intermediary.For this
For the those of ordinary skill in field, concrete meaning of the above-mentioned term in the utility model can be understood with concrete condition.
Embodiment 1
As shown in figure 1, in the present embodiment, the condensate condensed in condenser 13 squeezes into feedwater by condensate pump 4
In preheater 5, the waste gas residual heat to have been exchanged heat by economizer 8 is absorbed, temperature enters in deaerator and water tank 6 after being increased to,
Water after deoxygenation, which enters after feed pump 7 pressurizes, to be squeezed into economizer 8, absorbs the low temperature (100~150 DEG C) in the area of central cooler III
Enter after waste gas residual heat in drum 9, drum 9 is connected with each other with evaporator 10 by least two-way pipeline, and water is in the vaporizer 10
It is changed into steam water interface after the heat of absorption waste gas to enter in drum 9, this part Hydraulic Circulation is imported and exported by evaporator 10
The severe difference of medium is completed in the pipeline of both ends, forms a natural convection loop, the steam water interface of generation is completed in drum 9
Steam-water separation process, a saturated vapor part are gone in deaerator and water tank 6, complete the oxygen removal process of water, and another part enters
In steam turbine 3, pushing turbine acting；Steam turbine 3 is connected with generator 11 by shaft coupling, and Steam Actuation steam turbine is rotated and done
Work(is delivered on generator, is then changed into electric energy, is generated electricity outer defeated；Finish work(steam be changed into exhaust steam after enter condenser 12, pass through
Cross condensation to be squeezed into feed water preheater 5 by condensate pump 4 as condensate afterwards, complete a steam/water circulating.
The waste heat of the present embodiment recovery includes two parts：High temperature (250~450 DEG C) fume afterheat of sintering machine sintering (burns
Tie large flue in) and the area of central cooler III low temperature (100~150 DEG C) waste gas residual heat.Using in economizer 8 and feed water preheater 5
(20~80 DEG C) of water at low temperature absorb low temperature (100~150 DEG C) waste gas in the area of central cooler 1 III, utilize evaporator 10 to absorb sintering
High-temperature flue gas waste heat in large flue 2, realize that energy cascade reclaims.
The present embodiment has reclaimed two kinds of residual heat resources of generation in sintering industrial production：The high-temperature flue gas waste heat of sintering machine sintering
(in sintering large flue) and low temperature (100~150 DEG C) waste gas residual heat in the area of central cooler III, and according to the second law of thermodynamics, close
Removing the work puts heating surface, step fume afterheat, improves waste heat recovery volume to greatest extent, reduces the operating cost of sintering plant.
Embodiment 2
On the basis of embodiment 1, the water inlet of the central cooler low-temperature space waste-heat recovery device connects with feedwater piping,
Feed-regulating valve group is provided with the feedwater piping；
Feed-regulating valve group described in liquid level sensor is provided with the water separator to be used to receive liquid level sensor
The signal sent is so as to controlling water separator water level within a preset range.
More than, preferred embodiment only of the present utility model, but the scope of protection of the utility model is not limited thereto, and is appointed
What those familiar with the art the change that can readily occur in or replaces in the technical scope that the utility model discloses
Change, should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with claim
The protection domain defined is defined.
Claims (8)
1. a kind of central cooler low temperature waste gas and sintering smoke from big gas duct waste heat comprehensive utilization system, it is characterised in that：Including drum,
Central cooler low-temperature space waste-heat recovery device, sintering large flue waste-heat recovery device and steam electric power generator；
The delivery port of the central cooler low-temperature space waste-heat recovery device is connected with the water inlet of the drum by feedwater piping, institute
The delivery port for stating drum connects with the water inlet of the sintering large flue waste-heat recovery device, the sintering large flue waste heat recovery
The carbonated drink outlet of device connects with the carbonated drink entrance of the drum, the steam (vapor) outlet of the drum and the steam electric power generator
Enter steam ports connection, the water inlet of the delivery port of the steam electric power generator and the central cooler low-temperature space waste-heat recovery device connects
It is logical；
Feed pump is provided with described feedwater piping；
The steam electric power generator includes steam turbine and generator；The steam turbine is connected with generator by shaft coupling；It is described
The air intake of steam turbine is connected by pipeline with the venthole of drum, and Steam Actuation steam turbine rotates acting and is delivered to generator
On.
2. a kind of central cooler low temperature waste gas according to claim 1 and sintering smoke from big gas duct waste heat comprehensive utilization system,
It is characterized in that：The steam electric power generator also includes condenser, and the water inlet of the condenser passes through pipeline and steam turbine
Delivery port is connected, and the delivery port of the condenser is connected by pipeline with the water inlet of central cooler low-temperature space waste-heat recovery device.
3. a kind of central cooler waste gas according to claim 2 and sintering smoke from big gas duct waste heat comprehensive utilization system, it is special
Sign is：Condensate pump is provided with pipeline between condenser and central cooler the low-temperature space waste-heat recovery device.
4. a kind of central cooler low temperature waste gas according to claim 1 and sintering smoke from big gas duct waste heat comprehensive utilization system,
It is characterized in that：Central cooler low-temperature space waste-heat recovery device includes water tank, is arranged on above the area of central cooler III along flow of flue gas side
To the economizer and feed water preheater set gradually；
Wherein, the going out of the feed water preheater, water inlet are connected by pipeline and the water tank inlet and the condenser respectively
It is logical；The going out of the economizer, water inlet is connected by pipeline with the drum water inlet and water outlet of water tank respectively.
5. a kind of central cooler low temperature waste gas according to claim 1 and sintering smoke from big gas duct waste heat comprehensive utilization system,
It is characterized in that：Sintering large flue waste-heat recovery device includes the evaporator being arranged in sintering large flue, the evaporator
Go out, water inlet connects with the drum.
6. a kind of central cooler low temperature waste gas according to claim 1 and sintering smoke from big gas duct waste heat comprehensive utilization system,
It is characterized in that：The water inlet of the central cooler low-temperature space waste-heat recovery device connects with feedwater piping, on the feedwater piping
It is provided with feed-regulating valve group；
Feed-regulating valve group described in liquid level sensor is provided with the water separator to send for receiving liquid level sensor
Signal so as to controlling water separator water level within a preset range.
7. a kind of central cooler low temperature waste gas according to claim 1 and sintering smoke from big gas duct waste heat comprehensive utilization system,
It is characterized in that：It is characterized in that：The drum, including multiple water inlets and multiple delivery ports.
8. a kind of central cooler low temperature waste gas according to claim 4 and sintering smoke from big gas duct waste heat comprehensive utilization system,
It is characterized in that：It is provided with oxygen-eliminating device on the water tank, the water in water supply case carries out deoxygenation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720599965.6U CN206722889U (en) | 2017-05-26 | 2017-05-26 | A kind of central cooler low temperature waste gas and sintering smoke from big gas duct waste heat comprehensive utilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720599965.6U CN206722889U (en) | 2017-05-26 | 2017-05-26 | A kind of central cooler low temperature waste gas and sintering smoke from big gas duct waste heat comprehensive utilization system |
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| Publication Number | Publication Date |
|---|---|
| CN206722889U true CN206722889U (en) | 2017-12-08 |
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ID=60510999
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720599965.6U Active CN206722889U (en) | 2017-05-26 | 2017-05-26 | A kind of central cooler low temperature waste gas and sintering smoke from big gas duct waste heat comprehensive utilization system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060929A (en) * | 2017-05-26 | 2017-08-18 | 中冶华天南京工程技术有限公司 | A kind of central cooler low temperature waste gas and sintering smoke from big gas duct waste heat comprehensive utilization system |
| CN111272000A (en) * | 2020-01-21 | 2020-06-12 | 董荣华 | Slab vaporization cooling device and slab sensible heat recovery power generation system |
-
2017
- 2017-05-26 CN CN201720599965.6U patent/CN206722889U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060929A (en) * | 2017-05-26 | 2017-08-18 | 中冶华天南京工程技术有限公司 | A kind of central cooler low temperature waste gas and sintering smoke from big gas duct waste heat comprehensive utilization system |
| CN111272000A (en) * | 2020-01-21 | 2020-06-12 | 董荣华 | Slab vaporization cooling device and slab sensible heat recovery power generation system |
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