CN202272905U - One-off dry dedusting and waste heat recycling converter system - Google Patents
One-off dry dedusting and waste heat recycling converter system Download PDFInfo
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- CN202272905U CN202272905U CN2011203800373U CN201120380037U CN202272905U CN 202272905 U CN202272905 U CN 202272905U CN 2011203800373 U CN2011203800373 U CN 2011203800373U CN 201120380037 U CN201120380037 U CN 201120380037U CN 202272905 U CN202272905 U CN 202272905U
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- flue
- gas duct
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- outlet
- smoke
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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 relates to a one-off dry dedusting and waste heat recycling converter system. A converter is connected with a movable gas hood at an inlet end of an inclined inlet section gas duct; the inclined inlet section gas duct is connected with an inclined connecting gas duct; the inclined connecting gas duct is connected with a middle gas duct; the middle gas duct is connected with a tail gas duct; the inclined inlet section gas duct and the inclined connecting gas duct are inclined ascending gas ducts with the same gradient; the middle gas duct is a vertical ascending duct; the tail gas duct is a duct formed by successively connecting a section of arched duct and a vertical descending duct; the inclined inlet section gas duct, the inclined connecting gas duct, the middle gas duct and the tail gas duct are all provided with evaporation interlayers; the inclined inlet section gas duct is provided with a first water inlet and a first steam outlet; the inclined connecting gas duct is provided with a second water inlet and a second steam outlet; the middle gas duct is provided with a third water inlet and a third steam outlet; and the tail gas duct is provided with a fourth water inlet and a fourth steam outlet. The one-off dry dedusting and waste heat recycling converter system realizes unpowered cooling and is capable of generating steam through heat energy of hot smoke dust and storing up the steam, thereby achieving an effect of saving energy and reducing emission.
Description
Technical field
The utility model relates to a kind of environment friendly system, dry method dust of especially a kind of converter and residual neat recovering system.
Background technology
Along with the fast development of industrial economy, environmental problem becomes increasingly conspicuous.Country stresses the sustainable development of socio-economy, has strengthened improvement and control and monitoring to contaminated industry, enterprise.Enterprise is as if producing and developing, and three waste discharge must be up to standard.Industries such as metallurgy, casting, building materials belong to polluted enterprises, and the waste gas that gives off in its production process (flue dust) accounts for about 60% of whole contaminating enterprises discharging waste gas amount, wherein has a lot of heat energy all not have reasonable use.Up to the present, also there is not rational solution to these problems.
The flue dust that converter in the metallurgy industry, electric furnace, AOD stove produce in process of production needs to capture, and cooling, the discharging of purification back reach national requirements for environmental protection.Flue dust comes out temperature more than 1850 ℃ from fire door, through evaporated flue its temperature is cooled to about 600 ℃, again through pipeline and unpowered naturally cooling device be cooled to below 200 ℃ get into HMD spark catching type action of low-voltage pulse bag dust collector and purify after, qualified discharge.This programme clou is energy-saving and emission-reduction, and both high-temperature flue gas can carry out energy recovery, also to cooling high-temperature fume, again to the heat recovery of high-temperature smoke heat energy.
About more than 600 of existing 40 ~ 100 tons of converters in the whole nation, AOD stove market is bigger.The dedusting method major part all adopts wet method, and full wet method (not firing method) also is two civilian Guan Shi purification dust removal systems.In whole purification system, all be to adopt the mode of spraying water to reach the purpose of flue gas cool-down and purification.Water loss is big, and system material corrodes easily, also need handle large amount of sewage and mud equipment; Cost of investment is high, and SR is big, reclaims flue dust, the coal gas rate is low; The discharge amount of carbon dioxide is many; It is undesirable always to move effect, and maintenance is big, and draught fan impeller often will be cleared up and change is the common fault of wet dedusting.A lot of steel mills are all in positive improvement, and some producer makes semidrying into, and effect is not ideal.The CO concentration that wet dedusting is reclaimed is not high, and utilization ratio is not good.Electrostatic precipitator, the dust concentration after the purification generally all surpass 80mg/Nm
3, can not satisfy national requirements for environmental protection less than 50mg/Nm
3
Summary of the invention
The purpose of the utility model is to overcome the deficiency that exists in the prior art, provides a kind of unpowered cooling, hot flue dust heat energy capable of using to produce steam and stores the dry method dust of converter and the residual neat recovering system of steam, energy-saving and emission-reduction.
The technical scheme that provides according to the utility model; Dry method dust of said converter and residual neat recovering system; Comprise converter, burning chamber, unpowered naturally cooling device, sack cleaner and emptying blower fan; The movable gas hood of the oblique flue entrance end of the exit end of converter and entrance joins, and the smoke outlet of the oblique flue of entrance joins with the gas approach end that is connected oblique flue, connects the smoke outlet of oblique flue and the smoke inlet end of middle flue and joins; The smoke outlet of middle flue and the smoke inlet end of back-end ductwork join; The smoke inlet end of the smoke outlet of back-end ductwork and burning chamber joins, and the smoke inlet end of the smoke outlet of burning chamber and unpowered naturally cooling device joins, and the smoke inlet end of the smoke outlet of unpowered naturally cooling device and sack cleaner joins; The inlet end of the outlet side of sack cleaner and emptying blower fan joins, and the exit end of emptying blower fan inserts aiutage; The oblique flue of said entrance is the identical oblique increase in pipeline of a slope over 10 with connecting oblique flue, and middle flue is one section pipeline that vertically rises, back-end ductwork be one section arched conduit with one section vertically the pipeline of decline be linked in sequence and form pipeline; The oblique flue of described entrance, connect oblique flue, middle flue and back-end ductwork and all have the vaporization interlayer; On the oblique flue of entrance, be provided with first water-in and first steam outlet; Connect oblique flue and be provided with second water-in and second steam outlet; Middle flue is provided with the 3rd water-in and the 3rd steam outlet, and back-end ductwork is provided with the 4th water-in and the 4th steam outlet.
Said first water-in is arranged near the smoke outlet of the oblique flue of entrance, and first steam outlet is arranged near the gas approach end of the oblique flue of entrance.
Said second water-in is arranged near the smoke outlet that connects oblique flue, and second steam outlet is arranged near the gas approach end that connects oblique flue.
Near the smoke outlet of flue, the 3rd steam outlet was arranged near the gas approach end of middle flue in the middle of said the 3rd water-in was arranged on.
Said the 4th water-in is arranged near the smoke outlet of back-end ductwork, and the 4th steam outlet is arranged near the gas approach end of back-end ductwork.
On the pipeline between the smoke inlet end of the smoke outlet of unpowered naturally cooling device and sack cleaner, be connected with wild airduct, wild airduct end is provided with wild air-valve.
The utility model can unpoweredly be lowered the temperature, and has utilized hot flue dust heat energy to produce steam and stores steam, realizes the effect of energy-saving and emission-reduction.
Description of drawings
Fig. 1 is the front view of the utility model.
Fig. 2 is the left view of the utility model.
Embodiment
Below in conjunction with concrete accompanying drawing and embodiment the utility model is described further.
As shown in the figure: dry method dust of this converter and residual neat recovering system; Comprise converter 1, burning chamber 6, unpowered naturally cooling device 7, sack cleaner 8 and emptying blower fan 9; The movable gas hood of oblique flue 2 inlet ends of the exit end of converter 1 and entrance joins; The smoke outlet of the oblique flue 2 of entrance joins with the gas approach end that is connected oblique flue 3; Connect the smoke outlet of oblique flue 3 and the smoke inlet end of middle flue 4 and join, the smoke inlet end of the smoke outlet of middle flue 4 and back-end ductwork 5 joins, and the smoke inlet end of the smoke outlet of back-end ductwork 5 and burning chamber 6 joins; The smoke inlet end of the smoke outlet of burning chamber 6 and unpowered naturally cooling device 7 joins; The smoke inlet end of the smoke outlet of unpowered naturally cooling device 7 and sack cleaner 8 joins, and the inlet end of the outlet side of sack cleaner 8 and emptying blower fan 9 joins, and the exit end of emptying blower fan 9 inserts aiutage 10; The oblique flue 2 of said entrance is the identical oblique increase in pipeline of a slope over 10 with connecting oblique flue 3, and middle flue 4 is one section pipeline that vertically rises, back-end ductwork 5 be one section arched conduit with one section vertically the pipeline of decline be linked in sequence and form pipeline; The oblique flue of described entrance 2, connect oblique flue 3, middle flue 4 all has the vaporization interlayer with back-end ductwork 5; On the oblique flue 2 of entrance, be provided with first water-in 2.1 and first steam outlet 2.2; Connect oblique flue 3 and be provided with second water-in 3.1 and second steam outlet 3.2; Middle flue 4 is provided with the 3rd water-in 4.1 and the 3rd steam outlet 4.2; Back-end ductwork 5 is provided with the 4th water-in 5.1 and the 4th steam outlet 5.2, and the oblique flue of entrance 2, the vaporization interlayer that connects oblique flue 3, middle flue 4 and back-end ductwork 5 are sealing in their positions, both ends, make vaporization interlayer separately form an enclosed space.
Said first water-in 2.1 is arranged near the smoke outlet of the oblique flue 2 of entrance, and first steam outlet 2.2 is arranged near the gas approach end of the oblique flue 2 of entrance.
Said second water-in 3.1 is arranged near the smoke outlet that connects oblique flue 3, and second steam outlet 3.2 is arranged near the gas approach end that connects oblique flue 3.
Near the smoke outlet of flue 4, the 3rd steam outlet 4.2 was arranged near the gas approach end of middle flue 4 in the middle of said the 3rd water-in 4.1 was arranged on.
Said the 4th water-in 5.1 is arranged near the smoke outlet of back-end ductwork 5, and the 4th steam outlet 5.2 is arranged near the gas approach end of back-end ductwork 5.
On the pipeline between the smoke inlet end of the smoke outlet of unpowered naturally cooling device 7 and sack cleaner 8, be connected with wild airduct 10, wild airduct 10 ends are provided with wild air-valve 11.
The action principle of gasification cooling flue is: adopt thermodynamic (al) heat loss through radiation and heat loss through convection principle; High-temperature flue gas is through gasification cooling flue, and because of the heating surface temperature is lower, high-temperature flue gas is passed to the heating surface cooling with the heat energy of self.Water in the heating surface tube is because of having absorbed the evaporation of flue gas heat energy part, having produced steam.Because water is constantly circulation in heating surface tube, has cooled off heating surface, and has made metal not overheated.Adopt gasification cooling flue, not only can arrive the purpose of cooled flue gas, simultaneously again can production vapor recovery heat, the production of confession factory and life use.
Claims (6)
1. dry method dust of a converter and residual neat recovering system; Comprise converter (1), burning chamber (6), unpowered naturally cooling device (7), sack cleaner (8) and emptying blower fan (9); The movable gas hood of the exit end of converter (1) and the oblique flue of entrance (2) inlet end joins; The smoke outlet of the oblique flue of entrance (2) joins with the gas approach end that is connected oblique flue (3); Connecting the smoke outlet of oblique flue (3) and the smoke inlet end of middle flue (4) joins; The smoke outlet of middle flue (4) and the smoke inlet end of back-end ductwork (5) join; The smoke inlet end of the smoke outlet of back-end ductwork (5) and burning chamber (6) joins, and the smoke inlet end of the smoke outlet of burning chamber (6) and unpowered naturally cooling device (7) joins, and the smoke inlet end of the smoke outlet of unpowered naturally cooling device (7) and sack cleaner (8) joins; The inlet end of the outlet side of sack cleaner (8) and emptying blower fan (9) joins, and the exit end of emptying blower fan (9) inserts aiutage (10); The oblique flue of said entrance (2) is the identical oblique increase in pipeline of a slope over 10 with the oblique flue of connection (3); Middle flue (4) is one section pipeline that vertically rises; Back-end ductwork (5) is that pipeline that one section arched conduit and one section vertically descend is linked in sequence and forms pipeline; It is characterized in that: the oblique flue of described entrance (2), connect oblique flue (3), middle flue (4) and all have the vaporization interlayer with back-end ductwork (5); On the oblique flue of entrance (2), be provided with first water-in (2.1) and first steam outlet (2.2); Connect oblique flue (3) and be provided with second water-in (3.1) and second steam outlet (3.2), middle flue (4) is provided with the 3rd water-in (4.1) and the 3rd steam outlet (4.2), and back-end ductwork (5) is provided with the 4th water-in (5.1) and the 4th steam outlet (5.2).
2. dry method dust of converter as claimed in claim 1 and residual neat recovering system; It is characterized in that: said first water-in (2.1) is arranged near the smoke outlet of the oblique flue of entrance (2), and first steam outlet (2.2) is arranged near the gas approach end of the oblique flue of entrance (2).
3. dry method dust of converter as claimed in claim 1 and residual neat recovering system; It is characterized in that: said second water-in (3.1) is arranged near the smoke outlet that connects oblique flue (3), and second steam outlet (3.2) is arranged near the gas approach end that connects oblique flue (3).
4. dry method dust of converter as claimed in claim 1 and residual neat recovering system; It is characterized in that: near the smoke outlet of flue (4), the 3rd steam outlet (4.2) was arranged near the gas approach end of middle flue (4) in the middle of said the 3rd water-in (4.1) was arranged on.
5. dry method dust of converter as claimed in claim 1 and residual neat recovering system; It is characterized in that: said the 4th water-in (5.1) is arranged near the smoke outlet of back-end ductwork (5), and the 4th steam outlet (5.2) is arranged near the gas approach end of back-end ductwork (5).
6. dry method dust of converter as claimed in claim 1 and residual neat recovering system; It is characterized in that: on the pipeline between the smoke inlet end of the smoke outlet of unpowered naturally cooling device (7) and sack cleaner (8), be connected with wild airduct (10), wild airduct (10) end is provided with wild air-valve (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203800373U CN202272905U (en) | 2011-09-29 | 2011-09-29 | One-off dry dedusting and waste heat recycling converter system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203800373U CN202272905U (en) | 2011-09-29 | 2011-09-29 | One-off dry dedusting and waste heat recycling converter system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202272905U true CN202272905U (en) | 2012-06-13 |
Family
ID=46193275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203800373U Expired - Fee Related CN202272905U (en) | 2011-09-29 | 2011-09-29 | One-off dry dedusting and waste heat recycling converter system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202272905U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288363A (en) * | 2015-06-11 | 2017-01-04 | 全爱军 | A kind of energy-saving heater of improvement |
-
2011
- 2011-09-29 CN CN2011203800373U patent/CN202272905U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288363A (en) * | 2015-06-11 | 2017-01-04 | 全爱军 | A kind of energy-saving heater of improvement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120613 Termination date: 20160929 |