CN206930176U - A kind of low-temperature flue gas of heating furnace and furnace bottom water beam waste heat comprehensive utilization system - Google Patents
A kind of low-temperature flue gas of heating furnace and furnace bottom water beam waste heat comprehensive utilization system Download PDFInfo
- Publication number
- CN206930176U CN206930176U CN201720600587.9U CN201720600587U CN206930176U CN 206930176 U CN206930176 U CN 206930176U CN 201720600587 U CN201720600587 U CN 201720600587U CN 206930176 U CN206930176 U CN 206930176U
- Authority
- CN
- China
- Prior art keywords
- water
- heating furnace
- waste heat
- flue gas
- steam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
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 utility model discloses a kind of low-temperature flue gas of heating furnace and furnace bottom water beam waste heat comprehensive utilization system.Including water tank, steam-water separator, the carburation cooling heat exchanger being arranged in heating furnace and the economizer and feed water preheater set gradually in the flue interior edge flow of flue gas direction of heating furnace；Wherein, the going out of the feed water preheater, water inlet is connected by pipeline with the water tank inlet and feedwater piping respectively；The going out of the economizer, water inlet is connected by pipeline with the steam-water separator water inlet and water outlet of water tank respectively；The going out of the carburation cooling heat exchanger, water inlet connects with the steam-water separator.The utility model utilizes 100~200 DEG C of low temperature waste gas waste heat in heating furnace back-end ductwork, add the feed temperature into furnace bottom water beam, so as to reduce the gas consumption of heating furnace, the waste heat of Bottom of Heating Furnace water beam has been reclaimed simultaneously, is constituted comprehensive utilization above two parts thermal source while is reduced the waste heat recycling system of heating furnace gas consumption.
Description
Technical field
A kind of heating furnace waste heat comprehensive utilization system is the utility model is related to, more particularly to more than a kind of heating furnace of steel plant
Hot utilization system.
Background technology
, can be by temperature due to flue gas partial or all by heat storage after the heating furnace of steel plant uses heat storage type combustion
Degree is reduced to 180 DEG C or so, is then discharged again by induced-draft fan, this part low temperature exhaust heat is not reclaimed；In addition, roll
Steel mill typically uses the heat of independent Vaporizing cooling mode recovery furnace bottom water beam, and output steam uses for plant area, substantial amounts of low
Warm water is directly entered evaporated cooling system, reduces furnace bottom water beam temperature, adds the gas consumption of heating furnace.
Utility model content
Utilized in view of the above-mentioned problems, the utility model provides a kind of low-temperature flue gas of heating furnace with furnace bottom water beam residual heat integrative
System.
To reach above-mentioned purpose, a kind of low-temperature flue gas of heating furnace of the utility model utilizes system with furnace bottom water beam residual heat integrative
System, including water tank, steam-water separator, the carburation cooling heat exchanger being arranged in heating furnace and the flue interior edge cigarette in heating furnace
The economizer and feed water preheater that flow of air 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 feedwater piping
Connection；The going out of the economizer, water inlet is connected by pipeline with the steam-water separator and water outlet of water tank respectively；The vapour
Change the going out of cooling heat exchanger, water inlet connects with the steam-water separator.
Further, it is provided with force (forcing) pump on the feedwater piping；The economizer passes through economizer feedwater piping and institute
Water tank connection is stated, feed pump is provided with the economizer feedwater piping；The carburation cooling heat exchanger is changed by Vaporizing cooling
Hot device feedwater piping is connected with the steam-water separator, and hot water circuit is provided with the carburation cooling heat exchanger feedwater piping
Pump.
Further, the tail end of the flue is provided with chimney, and the flue is connected with the chimney by air-introduced machine.
Further, the water tank upper end sets an oxygen-eliminating device, and the water in water supply case carries out deoxygenation.
Further, the steam-water separator top sets a venthole, and the venthole passes through pipeline and the deoxygenation
Device connects with outer net jet chimney.
Further, liquid level sensor is provided with the steam-water separator, feedwater is provided with the feedwater piping and is adjusted
Save valve group；
The feed-regulating valve group is used to receiving signal that liquid level sensor sends so as to control water separator water level
Within a preset range.
The utility model utilizes low temperature (100~200 DEG C) waste gas residual heat in heating furnace back-end ductwork, adds into stove
The feed temperature of bottom water beam, so as to reduce the gas consumption of heating furnace, while the waste heat of Bottom of Heating Furnace water beam, group are reclaimed
Reduce the waste heat recycling system of heating furnace gas consumption simultaneously into comprehensive utilization above two parts thermal source.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of low-temperature flue gas of heating furnace and furnace bottom water beam waste heat comprehensive utilization system.
1. heating furnace；2. air-introduced machine；3. chimney；4. feed-tank；5. force (forcing) pump；6. feed water preheater；7. water tank；8. feedwater
Pump；9. economizer；10. steam-water separator；11. hot water circulating pump；12. carburation cooling heat exchanger.
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
It is shown in Figure 1, a kind of low-temperature flue gas of heating furnace of this hair embodiment and furnace bottom water beam waste heat comprehensive utilization system,
It is characterized in that：Including water tank 7, steam-water separator 10, the carburation cooling heat exchanger 12 being arranged in heating furnace and heating
The economizer 9 and feed water preheater 6 that the flue interior edge flow of flue gas direction of stove is set gradually；
Wherein, the going out of the feed water preheater 6, water inlet are respectively by pipeline and the water inlet of water tank 7 and feed pipe
Road connects；The going out of the economizer 9, water inlet is connected by pipeline with the steam-water separator 10 and the delivery port of water tank 7 respectively；
The going out of the carburation cooling heat exchanger 12, water inlet connects with the steam-water separator 10.
Force (forcing) pump 5 is provided with the feedwater piping；The economizer 9 passes through economizer feedwater piping and the water tank 7
Connect, feed pump 8 is provided with the feedwater piping of economizer 9；The carburation cooling heat exchanger 12 is exchanged heat by Vaporizing cooling
Device feedwater piping is connected with the steam-water separator 10, and hot water circuit is provided with the feedwater piping of carburation cooling heat exchanger 12
Pump 11.
The upper end of water tank 7 sets an oxygen-eliminating device, and the water in water supply case 7 carries out deoxygenation.
The steam-water separator top sets a venthole, and the venthole passes through pipeline and the deaerating plant and outer net
Jet chimney connects.
The tail end of the flue is provided with chimney 3, and the flue is connected with the chimney 3 by air-introduced machine 2.
The waste heat of the present embodiment recovery includes two parts：Low-temperature flue gas in furnace bottom water beam waste heat and heating furnace back-end ductwork
Waste heat (100~200 DEG C).Utilize (20~80 DEG C) absorption heating furnace afterbody cigarettes of water at low temperature in economizer 9 and feed water preheater 6
Low-temperature flue gas waste heat (100~200 DEG C) in road, the waste heat in furnace bottom water beam is absorbed using carburation cooling heat exchanger 12, is realized
Energy cascade reclaims.
In the present embodiment, outside feedwater is squeezed into feed water preheater 6 by force (forcing) pump 5, is absorbed by economizer 9
The fume afterheat to exchange heat, enter after temperature rise in deaerator and water tank 7, the water after deoxygenation pressurizes into feed pump 8
After squeeze into economizer 9, absorb tail flue gas low temperature (100~200 DEG C) waste gas residual heat after enter water separator 10 in, vapour
Water in water separation device 10 is squeezed into carburation cooling heat exchanger 12 by hot water circulating pump 11, absorbs the heat in furnace bottom water beam
After be changed into steam water interface into water separator 10, this part Hydraulic Circulation provides power by hot water circulating pump 11
Forced circulation loop is formed, the steam water interface of generation completes steam-water separation process in water separator 10, and generation is satisfied
Outer steam outer net is sent with a steam part, another part is gone in deaerator and water tank 7, completes the oxygen removal process of water.
The water of low temperature is entered steam-water separation after feed water preheater 6 and the heat temperature raising of economizer 8 and filled by the utility model
In putting 10, improve into the coolant-temperature gage in carburation cooling heat exchanger 12, which reduces the thermal discharge of furnace bottom water beam, reduces
The gas consumption of heating furnace, while the low-temperature flue gas temperature in heating furnace back-end ductwork can be down to 60~100 DEG C.
Therefore, the present embodiment utilize heating furnace back-end ductwork in low temperature (100~200 DEG C) fume afterheat, add into
Enter the feed temperature of furnace bottom water beam, so as to reduce the gas consumption of heating furnace, while reclaim the remaining of Bottom of Heating Furnace water beam
Heat, constitute comprehensive utilization above two parts thermal source while reduce the waste heat recycling system of heating furnace gas consumption.
Embodiment 2
On the basis of embodiment 1, liquid level sensor is provided with the steam-water separator, is set on the feedwater piping
There is feed-regulating valve group；
The feed-regulating valve group is used to receiving signal that liquid level sensor sends so as to control 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 (6)
1. a kind of low-temperature flue gas of heating furnace and furnace bottom water beam waste heat comprehensive utilization system, it is characterised in that：Including water tank, carbonated drink
Separator, the carburation cooling heat exchanger being arranged in heating furnace and set successively in the flue interior edge flow of flue gas direction of heating furnace
The economizer and feed water preheater put；
Wherein, the going out of the feed water preheater, water inlet is connected by pipeline with the water tank inlet and feedwater piping respectively；
The going out of the economizer, water inlet is connected by pipeline with the steam-water separator and water outlet of water tank respectively；The vaporization is cold
But the going out of heat exchanger, water inlet connects with the steam-water separator.
2. a kind of low-temperature flue gas of heating furnace according to claim 1 and furnace bottom water beam waste heat comprehensive utilization system, it is special
Sign is：Force (forcing) pump is provided with the feedwater piping；The economizer is connected by economizer feedwater piping with the water tank,
Feed pump is provided with the economizer feedwater piping；The carburation cooling heat exchanger passes through carburation cooling heat exchanger feedwater piping
Connected with the steam-water separator, hot water circulating pump is provided with the carburation cooling heat exchanger feedwater piping.
3. a kind of low-temperature flue gas of heating furnace according to claim 1 and furnace bottom water beam waste heat comprehensive utilization system, it is special
Sign is：The tail end of the flue is provided with chimney, and the flue is connected with the chimney by air-introduced machine.
4. a kind of low-temperature flue gas of heating furnace according to claim 1 and furnace bottom water beam waste heat comprehensive utilization system, it is special
Sign is：The water tank upper end sets an oxygen-eliminating device, and the water in water supply case carries out deoxygenation.
5. a kind of low-temperature flue gas of heating furnace according to claim 4 and furnace bottom water beam waste heat comprehensive utilization system, it is special
Sign is：The steam-water separator top sets a venthole, and the venthole is steamed by pipeline and the oxygen-eliminating device and outer net
Vapour pipeline communication.
6. a kind of low-temperature flue gas of heating furnace according to claim 1 and furnace bottom water beam waste heat comprehensive utilization system, it is special
Sign is：Liquid level sensor is provided with the steam-water separator, feed-regulating valve group is provided with the feedwater piping；
The feed-regulating valve group is used to receiving signal that liquid level sensor sends so as to control water separator water level pre-
If in scope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720600587.9U CN206930176U (en) | 2017-05-26 | 2017-05-26 | A kind of low-temperature flue gas of heating furnace and furnace bottom water beam waste heat comprehensive utilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720600587.9U CN206930176U (en) | 2017-05-26 | 2017-05-26 | A kind of low-temperature flue gas of heating furnace and furnace bottom water beam waste heat comprehensive utilization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206930176U true CN206930176U (en) | 2018-01-26 |
Family
ID=61352653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720600587.9U Active CN206930176U (en) | 2017-05-26 | 2017-05-26 | A kind of low-temperature flue gas of heating furnace and furnace bottom water beam waste heat comprehensive utilization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206930176U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107024120A (en) * | 2017-05-26 | 2017-08-08 | 中冶华天南京工程技术有限公司 | A kind of low-temperature flue gas of heating furnace and furnace bottom water beam waste heat comprehensive utilization system |
-
2017
- 2017-05-26 CN CN201720600587.9U patent/CN206930176U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107024120A (en) * | 2017-05-26 | 2017-08-08 | 中冶华天南京工程技术有限公司 | A kind of low-temperature flue gas of heating furnace and furnace bottom water beam waste heat comprehensive utilization system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202048561U (en) | Smoke residual heat utilization device for boiler | |
| CN108167807A (en) | Garbage incinerating power plant steam air heater draining system | |
| CN109539851A (en) | A kind of modularization self-interacting type heat-pipe flue gas waste heat recovery | |
| CN105423593A (en) | Heating normal-temperature smoke exhaust direct combustion type lithium bromide absorbing type cold and hot water unit | |
| CN101191699B (en) | Cement residual heat-recovering system and method | |
| CN102635847B (en) | Water feeding system for multiple condensing boilers | |
| CN206930176U (en) | A kind of low-temperature flue gas of heating furnace and furnace bottom water beam waste heat comprehensive utilization system | |
| CN207230695U (en) | Nuclear power station waste heat for supplying system | |
| CN104654385B (en) | Waste heat recycling device | |
| CN102748963A (en) | Closed water cooling system with double-evaporative cooling pressure | |
| CN109441577A (en) | Absorption heat pump cogeneration units recirculated cooling water tower operation method above freezing | |
| CN206722889U (en) | A kind of central cooler low temperature waste gas and sintering smoke from big gas duct waste heat comprehensive utilization system | |
| CN207350424U (en) | The fuse salt heating plant that a kind of height area combines | |
| CN107024120A (en) | A kind of low-temperature flue gas of heating furnace and furnace bottom water beam waste heat comprehensive utilization system | |
| CN106338056B (en) | A kind of horizontal side burning formula coil arrangement Quick steam generating system | |
| CN108444147A (en) | Hot water fall connect direct combustion dual effect type lithium bromide absorption type heat pump unit | |
| CN209431389U (en) | A kind of waste incineration and generating electricity heat energy recycling system of air compressor | |
| CN205349531U (en) | Gas steam combination system | |
| CN209309968U (en) | Oxygen-eliminating device water inlet complex front pre-heating system | |
| CN106091713A (en) | The residual heat combined recirculation system of heating furnace | |
| CN106765011A (en) | A kind of combustion gas of tubular modules group formula or fuel oil producing steam or saturation water circulating heater | |
| CN207006100U (en) | A kind of central cooler waste gas and sintering smoke from big gas duct waste heat comprehensive utilization system | |
| CN206338784U (en) | A kind of tubular modules group formula combustion gas or fuel oil producing steam or saturation water circulating heater | |
| CN206055601U (en) | A kind of exhaust gas recovery device for deaerator | |
| CN107339687B (en) | It is a kind of to utilize gas compressor waste heat for station area's heating technique |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |