CN206695625U - A kind of built-in sintering machine large flue waste heat boiler device - Google Patents
A kind of built-in sintering machine large flue waste heat boiler device Download PDFInfo
- Publication number
- CN206695625U CN206695625U CN201720415042.0U CN201720415042U CN206695625U CN 206695625 U CN206695625 U CN 206695625U CN 201720415042 U CN201720415042 U CN 201720415042U CN 206695625 U CN206695625 U CN 206695625U
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- CN
- China
- Prior art keywords
- economizer
- large flue
- working medium
- superheater
- evaporator
- 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.)
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- 238000005245 sintering Methods 0.000 title claims abstract description 24
- 239000002918 waste heat Substances 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 230000008676 import Effects 0.000 claims abstract description 8
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims description 4
- 238000010025 steaming Methods 0.000 claims description 2
- 239000003517 fume Substances 0.000 claims 2
- 239000003546 flue gas Substances 0.000 abstract description 23
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 22
- 238000011084 recovery Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000005299 abrasion Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000008896 Opium Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 229960001027 opium Drugs 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000004575 stone 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
-
- 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
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
A kind of built-in sintering machine large flue waste heat boiler device provided by the utility model, including large flue, drum, superheater, evaporator, economizer;The large flue right-to-left is divided into three regions, is followed successively by high-temperature region, middle warm area and low-temperature space, one group of bellows is respectively equipped with the side wall of large flue;The drum is provided with hot water inlet, hot water outlet, steam water interface import, saturated vapor outlet;The superheater, evaporator, economizer include flue and working medium pipeline respectively, and the superheater, evaporator, the flue right-to-left of economizer are sequentially arranged in high-temperature region;The working medium pipeline of the superheater is connected with saturated vapor outlet, and the working medium pipeline of the evaporator is connected with hot water outlet, steam water interface import respectively, and the working medium pipeline of the economizer is connected with hot water inlet.The apparatus structure is succinct, cost is cheap, can carry out waste heat recovery to the high-temperature flue gas at rear of sintering machine, and vapours is pressed through in can producing and is used to generate electricity.
Description
Technical field
The utility model belongs to energy-saving environmental protection device field, more particularly to a kind of built-in sintering machine large flue waste heat boiler
Device.
Background technology
The sintering machine of steel industry is exactly to be sintered sulphur, phosphorus etc. in blocking and part removal iron ore to Iron Ore Powder to be harmful to
The Large-Scale Equipment of impurity.Air-draft-type banding sintering machine, from head to tail, Iron Ore Powder is gradually sintered into sintering deposit, burning temperature
Spend more and more higher.Below the iron ore stone layer of sintering machine, there is exhausting cooling system, be substantially equally spaced disposed with exhausting
Bellows, all flue gases come of taking out are aggregated into a large flue, thus the flue gas in large flue also present it is low at high, head at tail
Temperature change, the flue-gas temperature after all converging are sent into wet desulphurization process typically at 150 DEG C or so, by induced draft blower withdraws.
Prior art will generally discharge after 150 DEG C or so of flue gas desulfurization, and not only desulfurized effect is bad, and causes the energy
It is a large amount of to waste.Also have and attempt to be passed through external waste heat boiler after the high-temperature flue gas of tail large flue is collected, however, more than external
Heat boiler floor space is big, and need to separately found steel structure support and ash bucket, and system is numerous and diverse, long construction period.
Utility model content
Technical problem:In order to solve the defects of prior art, the utility model provides a kind of built-in sintering machine opium
Road waste heat boiler device.
Technical scheme:A kind of built-in sintering machine large flue waste heat boiler device provided by the utility model, including opium
Road, drum, superheater, evaporator, economizer;The large flue is divided into three areas according to flow direction of the flue gas inside it
Domain, such as the flowing of flue gas right-to-left, large flue right-to-left are divided into three regions, are followed successively by high-temperature region, middle warm area and low temperature
Area, one group of bellows is respectively equipped with the side wall of large flue;The drum is provided with hot water inlet, hot water outlet, steam water interface
Import, saturated vapor outlet;The superheater, evaporator, economizer include flue and working medium pipeline, the overheat respectively
Device, evaporator, the flue of economizer are sequentially arranged in high-temperature region with flue gas trend;The working medium pipeline of the superheater is with satisfying
Connected with steam (vapor) outlet, the working medium pipeline of the evaporator is connected with hot water outlet, steam water interface import respectively, province's coal
The working medium pipeline of device is connected with hot water inlet.
As an improvement, also including one group of abrasionproof grid, the abrasionproof grid is respectively arranged on superheater, evaporator, economizer
Flue gas approach before.
Improved as another kind, the evaporator, the radial heat pipe that the working medium pipeline of economizer is double-layer tube wall, working medium exist
The interior Bottomhole pressure of radial heat pipe;The working medium pipeline of the superheater is the heavy wall heat-transfer pipe of individual layer tube wall.
Improved as another kind, the equidistant equal diameter of one group of bellows is arranged in the side wall of large flue.
Beneficial effect:The built-in sintering machine large flue waste heat boiler device of the utility model offer is simple for structure, cost is low
It is honest and clean, waste heat recovery can be carried out to the high-temperature flue gas at rear of sintering machine, vapours is pressed through in can producing and is used to generate electricity, while profit
Space is greatlyd save with original large flue space.The device can not only reclaim the waste heat of sintering machine large flue, produce
High-grade superheated steam, because of flue gas cool-down desulphurization cost can also be substantially reduced.
Device of the present utility model make use of the space of original large flue, and the space that external connection pipeline occupies is minimum, and drum can
Some inspection platform being placed on above sintering machine, it is compact-sized.
Device of the present utility model uses radial heat pipe to be set as heat transfer element, the gas approach of each heat transmission equipment
Abrasionproof grid, avoids abrasion of the dust in flue gas to heat transfer element, along with the double-layer tube wall of radial heat pipe, even if having
Abrasion, also simply the outer tube damage of heat pipe, interior Bottomhole pressure boiler feedwater can never be flowed into large flue.
Device of the present utility model can utilize the support frame of former large flue, and equipment lower section still retains as original system
Original ash bucket, makes mineral powder effectively be reclaimed;Meanwhile flue gas, by after waste heat recovery, temperature reduces, desulfurization water spray is reduced
Amount, reduces environmentally friendly cost.
Brief description of the drawings
Fig. 1 is the structural representation of the built-in sintering machine large flue waste heat boiler device of the utility model.
Fig. 2 is the Longitudinal cross section schematic of the built-in sintering machine large flue waste heat boiler device of the utility model.
Fig. 3 is the partial enlarged drawing of the built-in sintering machine large flue waste heat boiler device of the utility model.
Embodiment
The utility model is further illustrated below.
Built-in sintering machine large flue waste heat boiler device, see Fig. 1 to 2, including large flue 1, drum 2, superheater 3, steaming
Send out device 4, economizer 5;Large flue 1 is divided into three regions according to flow direction of the flue gas inside it, for example, flue gas right-to-left
Flowing, the right-to-left of large flue 1 are followed successively by high-temperature region, middle warm area and low-temperature space, one are respectively equipped with the side wall of whole large flue
Group bellows 6, equidistant equal diameter are set;Drum 2 is provided with hot water inlet 8, hot water outlet 9, steam water interface import 10, saturation
Steam (vapor) outlet 11;Superheater 3, evaporator 4, economizer 5 include flue and working medium pipeline respectively, superheater 3, evaporator 4,
The flue of economizer 5 is sequentially arranged in high-temperature region with flue gas trend;The working medium pipeline of superheater 3 and saturated vapor outlet 11
Connection, the working medium pipeline of evaporator 4 are connected with hot water outlet 9, steam water interface import 10 respectively, the working medium pipeline of economizer 5
It is connected with hot water inlet 8.
Also include one group of abrasionproof grid 7, see Fig. 3, abrasionproof grid 7 is respectively arranged on superheater 3, evaporator 4, economizer 5
Before the gas approach of flue.
Evaporator 4, the radial heat pipe that the working medium pipeline of economizer 5 is double-layer tube wall, working medium is in the inner tube of radial heat pipe
Flowing;The working medium pipeline of superheater 3 is the heavy wall heat-transfer pipe of individual layer tube wall.
The operation principle of the device:
The bellows opsition dependent (or temperature) of the exhausting cooling system of sintering machine is respectively connected to the high-temperature region of large flue, medium temperature
Area and low-temperature space;
In high-temperature region:Due to taking out the high-temperature flue gas come from bellows, dustiness is higher, and particle is larger, and more from large flue
Tangential direction rotation flows into large flue, and high-temperature flue gas, which first passes through abrasionproof grid, makes flue gas and dust therein be evenly distributed, and avoids
Working medium pipeline is set locally to produce serious abrasion;Superheater, evaporator and economizer using radial heat pipe as heat transfer element,
Abrasion is reduce further, high-temperature flue gas is after radial heat pipe heat transfer element, flue gas cool-down, and the cold fluid in radial heat pipe absorbs
Heat, steam is then produced for evaporator, then becomes hot water for economizer.
Heating working medium:Hot water of the cold water after economizer heats is sent into drum, and hot water is sent into evaporator by drum enters one
Step is thermally formed steam water interface and is re-fed into drum, and saturated vapor is sent into superheater and further heated after drum steam-water separation
Form superheated steam.
Superheater is arranged in the least significant end of large flue, herein flue-gas temperature highest, and the exhaust gas volumn flowed through is relative to evaporation
To lack a lot for device and economizer, therefore superheater, in addition to abrasionproof grid is equally set in smoke inlet, heat transfer element is usual
For heavy wall heat-transfer pipe, the radial heat pipe without using double-layer tube wall.
Claims (4)
- A kind of 1. built-in sintering machine large flue waste heat boiler device, it is characterised in that:Including large flue (1), drum (2), mistake Hot device (3), evaporator (4), economizer (5);Large flue (1) right-to-left is divided into three regions, be followed successively by high-temperature region, in Warm area and low-temperature space, one group of bellows (6) is respectively equipped with the side wall of large flue (1);The drum (2) is provided with hot water inlet (8), hot water outlet (9), steam water interface import (10), saturated vapor outlet (11);The superheater (3), evaporator (4), Economizer (5) includes flue and working medium pipeline, the superheater (3), evaporator (4), the fume pipe of economizer (5) respectively Road right-to-left is sequentially arranged in high-temperature region;The working medium pipeline of the superheater (3) is connected with saturated vapor outlet (11), described The working medium pipeline of evaporator (4) is connected with hot water outlet (9), steam water interface import (10) respectively, the work of the economizer (5) Matter pipeline is connected with hot water inlet (8).
- A kind of 2. built-in sintering machine large flue waste heat boiler device according to claim 1, it is characterised in that:Also include One group of abrasionproof grid (7), the abrasionproof grid (7) are respectively arranged on superheater (3), evaporator (4), the fume pipe of economizer (5) Before the gas approach in road.
- A kind of 3. built-in sintering machine large flue waste heat boiler device according to claim 1, it is characterised in that:The steaming Send out device (4), the radial heat pipe that the working medium pipeline of economizer (5) is double-layer tube wall, interior Bottomhole pressure of the working medium in radial heat pipe;Institute The working medium pipeline for stating superheater (3) is the heavy wall heat-transfer pipe of individual layer tube wall.
- A kind of 4. built-in sintering machine large flue waste heat boiler device according to claim 1, it is characterised in that:Described one Equidistantly equal diameter is arranged in the side wall of large flue (1) group bellows (6).
Priority Applications (1)
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CN201720415042.0U CN206695625U (en) | 2017-04-19 | 2017-04-19 | A kind of built-in sintering machine large flue waste heat boiler device |
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CN201720415042.0U CN206695625U (en) | 2017-04-19 | 2017-04-19 | A kind of built-in sintering machine large flue waste heat boiler device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108444305A (en) * | 2018-06-26 | 2018-08-24 | 中冶节能环保有限责任公司 | A kind of device and method of planar sintering machine tandem flue gas waste heat recovery |
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2017
- 2017-04-19 CN CN201720415042.0U patent/CN206695625U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108444305A (en) * | 2018-06-26 | 2018-08-24 | 中冶节能环保有限责任公司 | A kind of device and method of planar sintering machine tandem flue gas waste heat recovery |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address |
Address after: 210000 No. 749, Binjiang Road, Jiangning Economic Development Zone, Nanjing, Jiangsu Patentee after: Nanjing Huadian energy saving and environmental protection Co.,Ltd. Address before: 801, Phoenix International Building, No. 389 Central Road, Nanjing, Jiangsu Province, 210000 Patentee before: NANJING HUADIAN ENERGY-SAVING AND ENVIRONMENTAL PROTECTION EQUIPMENT Co.,Ltd. |
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CP03 | Change of name, title or address |