CN208398662U - A kind of double furnace smoke waste heat comprehensive utilization system - Google Patents
A kind of double furnace smoke waste heat comprehensive utilization system Download PDFInfo
- Publication number
- CN208398662U CN208398662U CN201820698600.3U CN201820698600U CN208398662U CN 208398662 U CN208398662 U CN 208398662U CN 201820698600 U CN201820698600 U CN 201820698600U CN 208398662 U CN208398662 U CN 208398662U
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- China
- Prior art keywords
- flue
- double
- waste heat
- comprehensive utilization
- utilization system
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- 239000002918 waste heat Substances 0.000 title claims abstract description 48
- 239000000779 smoke Substances 0.000 title claims abstract description 20
- 210000000481 breast Anatomy 0.000 claims abstract description 27
- 238000012360 testing method Methods 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 23
- 239000003546 flue gas Substances 0.000 abstract description 23
- 238000010438 heat treatment Methods 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000003517 fume Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 239000000446 fuel Substances 0.000 abstract description 3
- 230000001502 supplementing effect Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 235000019504 cigarettes Nutrition 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The application discloses a kind of double furnace smoke waste heat comprehensive utilization system, it include: double furnace and double chimney breasts, adjusting control valve is each provided in double chimney breasts, it is characterized in that, it is provided with the first flue and the second flue for distinguishing cross connection with it between double chimney breasts, the waste heat boiler and blower being connected are provided between second flue and the first flue.The utility model has reached following effect: (1) without supplementing fuel and other energy, double furnace waste heat is efficiently utilized, hews out a heating furnace UTILIZATION OF VESIDUAL HEAT IN new way, to realize that the whole of double furnace fume afterheat recycle；(2) effective to provide a kind of new means and mode for Combustion System and the flue gas balance of heating furnace, so that the automatic operation for improving heating furnace is horizontal, reduce production cost；(3) it solves the problems, such as common into a waste heat boiler progress residual heat integrative utilization after two flue gas of heating furnace converge.
Description
Technical field
The utility model relates to chemical technology fields, specifically being related to a kind of double furnace fume afterheat comprehensive utilization
System.
Background technique
Iron and steel enterprise's heater for rolling steel directly affects the production cost of enterprise as energy consumption rich and influential family.General heating furnace conduct
A kind of thermal efficiency of heating equipment is generally 30% or so, and energy consumption is high, using energy source level is low, causes a large amount of energy wave
Take.Therefore the recycling existing good economic benefit of heating furnace waste heat has certain environmental benefit again.
With being rooted in the hearts of the people for China's energy-saving and emission-reduction policy, iron and steel enterprise is as the consumption of fossil energy height and environment high pollution
One of important industry, gradually recognize to recycle the secondary energy sources such as waste heat and overbottom pressure in steel art production process and carry out benefit
With can reduce energy consumption, obtain good economic, society and environmental benefit.
Therefore, a kind of double furnace smoke waste heat comprehensive utilization system how is researched and developed, becomes and is asked for technology urgently to be resolved
Topic.
Summary of the invention
The main problem that the utility model solves is to provide a kind of double furnace smoke waste heat comprehensive utilization system, to solve
The technical issues of high-temperature flue gas waste heat that cannot achieve recycles.
In order to solve the above-mentioned technical problem, the utility model discloses a kind of comprehensive utilizations of double furnace fume afterheat is
System, comprising: double furnace and double chimney breasts are each provided with adjusting control valve in double chimney breasts, which is characterized in that
The first flue and the second flue that cross connection is distinguished with it are provided between double chimney breasts, described
The waste heat boiler and blower being connected are provided between second flue and the first flue.
Further, the first flue block valve is provided in first flue.
Further, the second flue block valve is each provided in double chimney breasts.
Further, the second flue block valve is set to double chimney breasts and first flue, the second cigarette
Between road junction.
Further, the blower is connected with fan frequency converter.
Further, the fan frequency converter, the first flue block valve and/or the second flue block valve pass through
Controller is connected.
Further, when the fan frequency converter is closed, the second flue block valve is under the instruction of the controller
It automatically turns on.
Further, the waste heat boiler is provided with pressure testing point, the pressure testing point and the fan frequency converter
It is connected by controller, under the instruction of the controller, the fan frequency converter controls the pressure by rotation speed change
The pressure value of test point.
Further, the controller is single-chip microcontroller, programmable controller or computer.
Further, the waste heat boiler is also connected with jet chimney.
Compared with prior art, a kind of double furnace smoke waste heat comprehensive utilization system described in the utility model, reaches
Following effect:
(1) without supplementing fuel and other energy, double furnace waste heat is efficiently utilized, hews out more than a heating furnace
Heat utilization new way, to realize that the whole of double furnace fume afterheat recycle；
(2) effective to provide a kind of new means and mode for Combustion System and the flue gas balance of heating furnace, to mention
The automatic operation of high heating furnace is horizontal, reduces production cost；
(3) solve two flue gas of heating furnace converge it is rear common enter that a waste heat boiler carries out that residual heat integrative utilizes ask
Topic.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and constitutes one of the utility model
Point, the exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the utility model
Improper restriction.In the accompanying drawings:
Fig. 1 is the floor map of double furnace smoke waste heat comprehensive utilization system described in the utility model embodiment.
Specific embodiment
As used some vocabulary to censure specific components in the specification and claims.Those skilled in the art answer
It is understood that hardware manufacturer may call the same component with different nouns.This specification and claims are not with name
The difference of title is as the mode for distinguishing component, but with the difference of component functionally as the criterion of differentiation.Such as logical
The "comprising" of piece specification and claim mentioned in is an open language, therefore should be construed to " include but do not limit
In "." substantially " refer within the acceptable error range, those skilled in the art can within a certain error range solve described in
Technical problem basically reaches the technical effect.
The application is described in further detail below in conjunction with attached drawing, but not as the restriction to the application.
Embodiment one
As shown in Figure 1, the present embodiment provides a kind of double furnace smoke waste heat comprehensive utilization systems, comprising: double furnace 1
And double chimney breasts 2, it is each provided with adjusting control valve 3 in double chimney breasts 2, is set between double chimney breasts 2
It is equipped with the first flue 4 and the second flue 5 for distinguishing cross connection with it, is arranged between second flue 5 and the first flue 4
There are the waste heat boiler 6 and blower 7 being connected.
Specifically, the high-temperature flue gas generated in 1 production process of double furnace in the prior art, after adjusting control valve 3
It is discharged into atmosphere by double chimney breasts 2, causes the waste of the energy and the pollution of environment.Adjusting control valve 3 is in original cigarette
In gas system in regulating stove flue gas pressures equipment, when newly-built waste heat comprehensive utilization system need stop transport maintenance when, flue gas will weigh
Original flue gas system is newly returned to, adjusting control valve 3 will play adjustment effect again.More than double furnace flue gas provided in this embodiment
Hot utilization system is provided with the first flue 4 and the second cigarette that cross connection is distinguished with it between original double chimney breasts 2
Road 5, the cross connection refers to that first flue 4 and the second flue 5 are in respectively special angle with former double chimney breasts 2, excellent
Be selected as 90 °, naturally it is also possible to be other angles, such as 85 °, 80 ° or other, preferably described first flue 4 is disposed in proximity to described
One end of double furnace 1, second flue 5 are disposed in proximity to discharge outlet one end of double chimney breasts 2.The waste heat boiler 6
One end be connected with first flue 4 by pipeline, the other end of the waste heat boiler 6 passes through pipeline and the blower 7
It is connected, the blower 7 is connected to second flue 5.
In practical applications, high-temperature flue gas caused by double furnace 1 enters waste heat pot by first flue 4
It exchanges heat inside furnace 6, the flue gas after exchanging heat is under the action of blower 7, by 5 row of the second flue to described pair
Chimney breast 2, is recently entered atmosphere.
Embodiment two
As shown in Figure 1, the basis based on embodiment one, the present embodiment provides a kind of comprehensive benefits of 1 fume afterheat of double furnace
With system, comprising: double furnace 1 and double chimney breasts 2 are each provided with adjusting control valve 3 in double chimney breasts 2,
The first flue 4 and the second flue 5 that cross connection is distinguished with it are provided between double chimney breasts 2, in second cigarette
The waste heat boiler 6 and blower 7 being connected are provided between road 5 and the first flue 4.
Preferably, the first flue block valve 8 is provided in first flue 4.Specifically, in first flue 4
(i.e. close to the two sides of 6 tie point of waste heat boiler) is respectively arranged with the first flue block valve 8 for two sides, for controlling flue gas
Pass through.For example, opening the first flue block valve 8 when needing flue gas by first flue 4；If desired flue gas via
When 2 row of double chimney breasts is to atmosphere, switch closes the first flue block valve 8.
Preferably, the second flue block valve 9 is each provided in double chimney breasts 2.Specifically, in two stovepipes
The second flue block valve 9 is each provided in road, for controlling passing through for flue gas.Certainly, the second flue block valve 9 is set to
Between double chimney breasts 2 and first flue 4,5 junction of the second flue, preferably it connects close to first flue 4
Meet place.For example, opening the second flue block valve 9 when needing flue gas via double 2 rows of chimney breast to atmosphere；If needing
When wanting the first flue 4 described in flue gas flow direction, switch closes the second flue block valve 9.
Preferably, the blower 7 is connected with fan frequency converter 10.Fan frequency converter 10 uses frequency changing regulating speed control apparatus,
By changing the revolving speed of blower 7, to change 7 air quantity of blower to adapt to the needs of production technology, constant pressure or constant flow are realized
Control, and operation energy consumption saves, and comprehensive benefit is high.
Preferably, the fan frequency converter 10, the first flue block valve 8 and/or the second flue block valve 9 are logical
Controller is crossed to be connected.
Preferably, when the fan frequency converter 10 is closed, the second flue block valve 9 is under the instruction of the controller
It automatically turns on.Specifically, the second flue block valve 9 is subjected to chain control with the fan frequency converter 10, when blower becomes
When the power-off suddenly of frequency device 10 or closing, the second flue block valve 9 is opened at the first time under the pre-set programs of controller, is allowed
High-temperature flue gas via former double 2 rows of chimney breast to atmosphere, to guarantee the stable of double furnace 1.
Preferably, the waste heat boiler 6 is provided with pressure testing point 11, the pressure testing point 11 and the fan frequency conversion
Device 10 is connected by controller, and under the instruction of the controller, the fan frequency converter 10 controls institute by rotation speed change
State the pressure value of pressure testing point.Specifically, wherein in order to preferably stable double furnace 1 production, by the waste heat
Pressure spot and fan frequency converter 10 before boiler 6 carry out chain control, and fan frequency converter 10 directly acts on the revolving speed control of blower 7
System carries out automatic frequency-conversion adjusting, so that pressure remains unchanged before waste heat boiler 6, double furnace 1 is because there is a stable back
Pressure system, it will reach stable smoke evacuation state, to be more conducive to flue gas balance and production run.
Preferably, the controller is single-chip microcontroller, programmable controller or computer.
Preferably, the waste heat boiler 6 is also connected with jet chimney.Specifically, the waste heat boiler 6 is by the sensible heat of flue gas
Water supply is transmitted after heat exchange, water becomes superheated steam after absorbing heat, into jet chimney (or steam pipe network), reaches waste heat
The purpose of recycling.
Compared with prior art, a kind of double furnace smoke waste heat comprehensive utilization system described in the utility model, reaches
Following effect:
(1) without supplementing fuel and other energy, double furnace waste heat is efficiently utilized, hews out more than a heating furnace
Heat utilization new way, to realize that the whole of double furnace fume afterheat recycle；
(2) effective to provide a kind of new means and mode for Combustion System and the flue gas balance of heating furnace, to mention
The automatic operation of high heating furnace is horizontal, reduces production cost；
(3) solve two flue gas of heating furnace converge it is rear common enter that a waste heat boiler carries out that residual heat integrative utilizes ask
Topic.
Above description shows and describes several preferred embodiments of the present application, but as previously described, it should be understood that the application
Be not limited to forms disclosed herein, should not be regarded as an exclusion of other examples, and can be used for various other combinations,
Modification and environment, and the above teachings or related fields of technology or knowledge can be passed through in application contemplated scope described herein
It is modified.And changes and modifications made by those skilled in the art do not depart from spirit and scope, then it all should be in this Shen
It please be in the protection scope of appended claims.
Claims (10)
1. a kind of double furnace smoke waste heat comprehensive utilization system, comprising: double furnace and double chimney breasts, in double chimneys
Adjusting control valve is each provided in pipeline, which is characterized in that
The first flue and the second flue that cross connection is distinguished with it are provided between double chimney breasts, described second
The waste heat boiler and blower being connected are provided between flue and the first flue.
2. double furnace smoke waste heat comprehensive utilization system according to claim 1, which is characterized in that first flue
In be provided with the first flue block valve.
3. double furnace smoke waste heat comprehensive utilization system according to claim 2, which is characterized in that double stovepipes
The second flue block valve is each provided in road.
4. double furnace smoke waste heat comprehensive utilization system according to claim 3, which is characterized in that second flue
Block valve is set between double chimney breasts and first flue, the second flue junction.
5. double furnace smoke waste heat comprehensive utilization system according to claim 4, which is characterized in that the blower connection
There is fan frequency converter.
6. double furnace smoke waste heat comprehensive utilization system according to claim 5, which is characterized in that the fan frequency conversion
Device, the first flue block valve and/or the second flue block valve are connected by controller.
7. double furnace smoke waste heat comprehensive utilization system according to claim 6, which is characterized in that the fan frequency conversion
When device is closed, the second flue block valve automatically turns under the instruction of the controller.
8. double furnace smoke waste heat comprehensive utilization system according to claim 7, which is characterized in that the waste heat boiler
It is provided with pressure testing point, the pressure testing point is connected with the fan frequency converter by controller, in the controller
Instruction under, the fan frequency converter controls the pressure value of the pressure testing point by rotation speed change.
9. double furnace smoke waste heat comprehensive utilization system a method according to any one of claims 6-8, which is characterized in that institute
Stating controller is single-chip microcontroller, programmable controller or computer.
10. double furnace smoke waste heat comprehensive utilization system according to claim 1, which is characterized in that the waste heat pot
Furnace is also connected with jet chimney.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820698600.3U CN208398662U (en) | 2018-05-11 | 2018-05-11 | A kind of double furnace smoke waste heat comprehensive utilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820698600.3U CN208398662U (en) | 2018-05-11 | 2018-05-11 | A kind of double furnace smoke waste heat comprehensive utilization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208398662U true CN208398662U (en) | 2019-01-18 |
Family
ID=65135681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820698600.3U Expired - Fee Related CN208398662U (en) | 2018-05-11 | 2018-05-11 | A kind of double furnace smoke waste heat comprehensive utilization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208398662U (en) |
-
2018
- 2018-05-11 CN CN201820698600.3U patent/CN208398662U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190118 |
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| CF01 | Termination of patent right due to non-payment of annual fee |