CN202002504U - Waste heat recovery system for sintering technology - Google Patents
Waste heat recovery system for sintering technology Download PDFInfo
- Publication number
- CN202002504U CN202002504U CN2011200352500U CN201120035250U CN202002504U CN 202002504 U CN202002504 U CN 202002504U CN 2011200352500 U CN2011200352500 U CN 2011200352500U CN 201120035250 U CN201120035250 U CN 201120035250U CN 202002504 U CN202002504 U CN 202002504U
- Authority
- CN
- China
- Prior art keywords
- valve
- sintering
- pipeline
- waste heat
- heat boiler
- 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.)
- Expired - Fee Related
Links
Images
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 waste heat recovery system for sintering technology, which comprises a sintering machine tail (11), a circulating cold engine head (8), a first section of a circulating cold engine (7), a second section of the circulating cold engine (6), a circulating fan (1) and a waste heat boiler (21), wherein the hot waste gas of the sintering machine tail (11), the circulating cold engine head (8), the first section of the circulating cold engine (7) and the second section of the circulating cold engine (6) is guided into the waste heat boiler (21) through a pipeline and a valve to produce steam; after being pressurized by the circulating fan (1), waste heat after being subjected to heat exchange by the waste heat boiler (21) is sent to the first section of the circulating cold engine (7) and the second section of the circulating cold engine (6) through the pipeline and the valve to cool agglomerate, and the obtained hot waste gas is guided into the waste heat boiler (21) to realize the circulating use of the waste hot gas. The waste heat recovery system is characterized in that the hot waste gas of the sintering machine tail (11) and the hot waste gas of the circulating cold engine head (8), which are originally discharged, are sufficiently utilized. The waste heat recovery system improves the energy utilization efficiency of the sintering technology, reduces the energy consumption of the sintering technology, saves social resources, and provides a feasible scheme for the sintering circular economy.
Description
Technical field
The present invention relates to the sintering process waste heat and efficiently utilize the field, be specifically related to a kind of sintering machine tail that is used for steel enterprise sintering technology, central cooler etc. and locate efficient method and the equipment thereof that utilizes of waste heat.
Background technology
At present, in steel manufacture process, the energy consumption of sintering circuit accounts for 12% of total energy consumption, is only second to the ironmaking operation, occupies second.In the sintering circuit total energy consumption, sintering machine tail flue gas and central cooler waste gas have nearly 50% heat energy, main at present one section and two sections the heat energy that uses central cooler, next life producing steam, the defective that exists is that the heat energy of tail and central cooler head fails to be fully used, and this part heat energy accounts for 10%～14% of sintering circuit total energy consumption.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides the problem that a kind of waste heat that can solve above-mentioned sintering circuit fails to make full use of, efficiently utilize sintering waste heat, reduce the energy consumption of sintering process.
Technical scheme: for solving the problems of the technologies described above, sintering process residual neat recovering system of the present invention comprises the hot waste gas with one section of the hot waste gas of sintering machine tail, central cooler head hot waste gas, central cooler machine and two sections, introduce waste heat boiler by pipeline and valve, reclaim its heat energy, produce steam.
Among the present invention, on the tail of sintering machine and pipeline that the sintering dust device links to each other, adorn a valve, by tubulature road and valve, one section waste heat boiler hot waste gas pipe of sending into two sections of sintering machine tail and central cooler is linked to each other then; On central cooler head and pipeline that the sintering dust device links to each other, adorn a valve, by tubulature road and valve, one section waste heat boiler hot waste gas pipe of sending into two sections of central cooler head and central cooler is linked to each other then; One section hot waste gas of central cooler is sent into the high temperature section before the high temperature superheater of waste heat boiler by pipeline; Two sections hot waste gas of central cooler is sent into the middle-temperature section before the high-temperature evaporator of waste heat boiler by pipeline; Waste heat boiler is established blowdown pipe and aeration valve to the air inlet pipe of circulating fan; The circulating fan air inlet pipe is established the air intake valve, sets out air-valve on the discharge pipe of circulating fan; Establish evacuated tube and exhaust-valve on the discharge pipe of circulating fan.
Specifically, describedly establish stop valve with the pipeline that the sintering dust device links to each other at the sintering machine tail, before this valve, establish pipeline and communicating valve, the high temperature section that the hot waste gas of sintering machine tail is introduced before the waste heat boiler high temperature superheater by one section hot waste gas pipeline of communicating valve and central cooler is produced steam; Before stop valve, establish one road pipeline and communicating valve again, the hot waste gas of sintering machine tail is introduced the middle-temperature section production steam before the high-temperature evaporator of waste heat boiler by this communicating valve and two sections hot waste gas pipeline of central cooler.
Described sintering device handpiece is established stop valve with the pipeline that the sintering dust device links to each other, before stop valve, establish pipeline and communicating valve, the high temperature section that the hot waste gas of sintering device handpiece is introduced before the waste heat boiler high temperature superheater by one section hot waste gas pipeline of communicating valve and central cooler is produced steam; Before stop valve, establish one road pipeline and communicating valve again, with the hot waste gas of sintering device handpiece by being communicated with the middle-temperature section production steam before valve and two sections hot waste gas pipeline of central cooler are introduced the high-temperature evaporator of waste heat boiler.
Describedly to the circulating fan air inlet pipe, establish blowdown pipe and aeration valve, when air circulation is not enough, be used for replenishing air at waste heat boiler; Establish the circulating fan intake valve again in the circulating fan air inlet pipe, on the discharge pipe of circulating fan, establish circulating fan and go out air-valve, be used to adjust the load of circulating fan; On the discharge pipe of circulating fan, establish evacuated tube and exhaust-valve, when air circulation surpasses requirement, be used for exhaust.One section petticoat pipe of sintering machine tail, central cooler head, deflector chute, central cooler, two sections petticoat pipes and pipeline are incubated.
The preferred two pressure waste heat boilers of described waste heat boiler.
Beneficial effect: sintering process residual neat recovering system of the present invention has the following advantages:
The sintering machine tail that recovery is discharged and the high-temp waste gas of central cooler head are used to produce steam and generate electricity.
In a word, sintering process residual neat recovering system of the present invention has improved sintering process afterheat utilization rate.
Description of drawings
Accompanying drawing is a sintering process residual neat recovering system schematic diagram of the present invention;
1, circulating fan 2, circulating fan goes out air-valve 3, circulating fan discharge pipe emptying valve 4, circulating fan discharge pipe 5, central cooler tail 6, two section 7 of central cooler, one section 8 of central cooler, central cooler head 9, deflector chute 10, sintering machine 11, sintering machine tail 12, the central cooler head is to the valve 13 of sintering dust, central cooler head to section hot waste gas pipe 14, central cooler head to two section hot waste gas tube valve 15, the sintering machine tail is to deduster valve 16, sintering machine tail to section hot waste gas tube valve 17, sintering machine tail to two section hot waste gas tube valve 19, one section of central cooler is to waste heat boiler hot waste gas pipe 20, two sections of central coolers are to waste heat boiler hot waste gas pipe 21, waste heat boiler 22, high temperature superheater 23, evaporimeter 24, low-pressure coal saver or water preheater 25, circulating fan air intake valve 26, circulating fan import aeration valve 27, the circulating fan air inlet pipe
The specific embodiment
Below in conjunction with accompanying drawing the present invention is done further explanation.
As shown in drawings, sintering process residual neat recovering system of the present invention, mainly be included in the pipeline that sintering machine tail (11) links to each other with the sintering dust device and establish valve (15), at preceding pipeline and the valve (16) established of valve (15), the preceding high temperature section of high temperature superheater (22) that the hot waste gas of sintering machine tail is introduced waste heat boiler (21) by the valve (16) and the hot waste gas pipeline (19) of a section (7) of central cooler is produced steam; At preceding pipeline and the valve (17) established of valve (15), the preceding middle-temperature section of high-temperature evaporator (23) that the hot waste gas of sintering machine tail is introduced waste heat boiler (21) by the valve (17) and the hot waste gas pipeline (20) of two sections (6) of central cooler is produced steam.Reclaim the heat energy of sintering machine tail (11);
Establish valve (12) at the pipeline that sintering device handpiece (8) links to each other with the sintering dust device, at preceding pipeline and the valve (13) established of valve (12), the preceding high temperature section of high temperature superheater (22) that the hot waste gas of sintering device handpiece is introduced waste heat boiler (21) by the valve (13) and the hot waste gas pipeline (19) of a section (7) of central cooler is produced steam; At preceding pipeline and the valve (14) established of valve (12), the preceding middle-temperature section of high-temperature evaporator (23) that the hot waste gas of sintering device handpiece is introduced waste heat boiler (21) by the valve (14) and the hot waste gas pipeline (20) of two sections (6) of central cooler is produced steam, reclaim the heat energy of central cooler head (8);
To circulating fan air inlet pipe (27), establish blowdown pipe and aeration valve (26) at waste heat boiler (21), when air circulation is not enough, be used for replenishing air; Establish circulating fan air intake valve (25) in circulating fan (1) air inlet pipe (27), establish circulating fan on the discharge pipe (4) of circulating fan (1) and go out air-valve (2), be used to adjust the load of circulating fan; On the discharge pipe (4) of circulating fan (1), establish evacuated tube and exhaust-valve (3), when air circulation surpasses requirement, be used for exhaust.The assurance residual neat recovering system can dynamically be adjusted safety and economic operation.
With two sections (6) of one section (7) of sintering machine tail (11), central cooler head (8), deflector chute (9), central cooler, central cooler and pipeline is incubated and encapsulation process.
Above content is combined, be the residual neat recovering system schematic diagram that the present invention applies to sintering process, as shown in Figure 1.
The above only is a preferred implementation of the present invention; be noted that for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. sintering process residual neat recovering system, it is characterized in that: comprise sintering machine tail (11), central cooler head (8), one section of central cooler (7) and two sections (6), on sintering machine tail (11), central cooler head (8), central cooler one section (7) and two sections (6), establish pipeline and valve and the hot waste gas of sintering machine tail (11), central cooler head (8), central cooler one section (7) and two sections (6) is introduced waste heat boiler (21) produce steam.
2. a kind of sintering process residual neat recovering system according to claim 1, it is characterized in that: the pipeline that sintering machine tail (11) links to each other with the sintering dust device is established valve (15), at preceding pipeline and the valve (16) established of valve (15), the hot waste gas of sintering machine tail is introduced waste heat boiler (21) by valve (16) and pipeline (19) produce steam.
3. a kind of sintering process residual neat recovering system according to claim 1, it is characterized in that: the pipeline that sintering machine tail (11) links to each other with the sintering dust device is established valve (15), at preceding pipeline and the valve (17) established of valve (15), the hot waste gas of sintering machine tail is introduced waste heat boiler (21) by valve (17) and pipeline (20) produce steam.
4. a kind of sintering process residual neat recovering system according to claim 1, it is characterized in that: the pipeline that central cooler head (8) links to each other with the sintering dust device is established valve (12), at preceding pipeline and the valve (13) established of valve (12), the hot waste gas of sintering device handpiece is introduced waste heat boiler (21) by valve (13) and pipeline (19) produce steam.
5. a kind of sintering process residual neat recovering system according to claim 1, it is characterized in that: the pipeline that central cooler head (8) links to each other with the sintering dust device is established valve (12), at preceding pipeline and the valve (14) established of valve (12), the hot waste gas of sintering device handpiece is introduced waste heat boiler (21) by valve (14) and pipeline (20) produce steam.
6. a kind of sintering process residual neat recovering system according to claim 1 is characterized in that: the hot waste gas of a section (7) of described central cooler is sent into the preceding high temperature section of high temperature superheater (22) of waste heat boiler (21) by pipeline (19).
7. a kind of sintering process residual neat recovering system according to claim 1 is characterized in that: the hot waste gas of two sections (6) of described central cooler is sent into the preceding middle-temperature section of high-temperature evaporator (23) of waste heat boiler (21) by pipeline (20).
8. a kind of sintering process residual neat recovering system according to claim 1 is characterized in that: describedly establish blowdown pipe and aeration valve (26) by waste heat boiler (21) to circulating fan air inlet pipe (27); Described circulating fan (1) air inlet pipe (27) is established circulating fan air intake valve (25), establishes circulating fan on the discharge pipe (4) of circulating fan (1) and goes out air-valve (2); Establish evacuated tube and exhaust-valve (3) on the discharge pipe (4) of described circulating fan (1).
9. a kind of sintering process residual neat recovering system according to claim 1 is characterized in that: described waste heat boiler (21) is preferably two pressure waste heat boilers (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200352500U CN202002504U (en) | 2011-02-10 | 2011-02-10 | Waste heat recovery system for sintering technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200352500U CN202002504U (en) | 2011-02-10 | 2011-02-10 | Waste heat recovery system for sintering technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202002504U true CN202002504U (en) | 2011-10-05 |
Family
ID=44705241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200352500U Expired - Fee Related CN202002504U (en) | 2011-02-10 | 2011-02-10 | Waste heat recovery system for sintering technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202002504U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072663A (en) * | 2011-02-10 | 2011-05-25 | 孙慕文 | System for recovering waste heat in sintering process |
| CN104792186A (en) * | 2015-03-31 | 2015-07-22 | 孙慕文 | Sintering flue gas energy-saving type denitrification system |
-
2011
- 2011-02-10 CN CN2011200352500U patent/CN202002504U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072663A (en) * | 2011-02-10 | 2011-05-25 | 孙慕文 | System for recovering waste heat in sintering process |
| CN104792186A (en) * | 2015-03-31 | 2015-07-22 | 孙慕文 | Sintering flue gas energy-saving type denitrification system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2015096414A1 (en) | High-pressure reheating gas-steam combined cycle power generation system and power generation method | |
| CN201569208U (en) | Residual heat reclamation device in petroleum industry | |
| CN103234362A (en) | Device and process for generating power through efficient recovery of waste heat of sintered ores | |
| CN101776399A (en) | Waste heat boiler for sintering circular cooler and heat-electricity combined supply system of waste heat boiler | |
| CN101879379A (en) | Gas exhausting and water containing system and method for lithium bromide recycling desulfurization system | |
| CN104457299A (en) | Screw expander dragged sintering wast heat power generation system and method | |
| CN102072663A (en) | System for recovering waste heat in sintering process | |
| CN202002504U (en) | Waste heat recovery system for sintering technology | |
| CN202056856U (en) | System for recycling afterheat of flue gas through high-temperature coal economizer | |
| CN202947489U (en) | Waste-heat cascaded utilization system at low-temperature sections of sintering circular cooling machine | |
| CN103234213B (en) | A kind of method of oxygen-enriched combusting Btu utilization and device | |
| CN114109545B (en) | Peak regulating system and peak regulating method for recovering cold end waste heat of thermal power plant | |
| CN202284786U (en) | Boiler using waste heat of coking furnace flue gas | |
| CN201706902U (en) | Waste heat single-pressure recovery power generating system of dry method cement production line | |
| CN201671669U (en) | Condensation heat recovering central heating system of direct air cooling unit for power plant | |
| CN102062384B (en) | Double-inlet double-outlet waste heat boiler system | |
| CN203258668U (en) | Oxygen-enriched combustion heat utilizing device | |
| CN113107621A (en) | 650 ℃ high-efficiency supercritical (super-supercritical) coal-fired power generation system | |
| CN202250270U (en) | Steam turbine condensing system | |
| CN207162510U (en) | A kind of waste heat boiler afterbody heat exchanger system | |
| CN204404813U (en) | A kind of screw expander that adopts drags sintering waste heat generating system | |
| CN103673644A (en) | Waste heat utilizing system of submerged-arc furnace | |
| CN203258644U (en) | Device for gradient utilization of oxygen-enriched combustion heat | |
| CN220398257U (en) | Shaft furnace type sintering waste heat recovery coupling solar power generation system | |
| CN103196136B (en) | A kind of method of oxygen-enriched combusting heat cascade utilization and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111005 Termination date: 20140210 |