CN203837512U - Sintering flue gas collecting device - Google Patents
Sintering flue gas collecting device Download PDFInfo
- Publication number
- CN203837512U CN203837512U CN201420284894.7U CN201420284894U CN203837512U CN 203837512 U CN203837512 U CN 203837512U CN 201420284894 U CN201420284894 U CN 201420284894U CN 203837512 U CN203837512 U CN 203837512U
- Authority
- CN
- China
- Prior art keywords
- collecting cover
- smoke collecting
- semicircle
- connecting ring
- flue gas
- 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 - Lifetime
Links
- 238000005245 sintering Methods 0.000 title claims abstract description 32
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title abstract description 31
- 239000003546 flue gas Substances 0.000 title abstract description 31
- 239000000779 smoke Substances 0.000 claims description 64
- 239000000725 suspension Substances 0.000 claims description 30
- 239000003517 fume Substances 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000003570 air Substances 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000000185 dioxinlike effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model relates to a sintering flue gas collecting device. The sintering flue gas collecting device comprises a flue gas collecting cover, an intake duct and an air exchange device. The sintering flue gas collecting device is characterized in that the flue gas collecting cover is a semicircular flue gas collecting cover which is connected with a sintering pallet platform by virtue of a suspended fixing device; the suspended fixing device is composed of a fixed support which is arranged on the sintering pallet platform and holds the semicircular flue gas collecting cover therein, an upper connecting ring arranged at the upper end of the fixed support and a side end connecting ring, and a transverse connecting beam and a longitudinal suspended connecting rod both for connecting the semicircular flue gas collecting cover and the fixed support; the intake duct is connected with the intake duct connector of the semicircular flue gas collecting cover by use of an expansion joint. The sintering flue gas collecting device has the advantage that the influence, caused by thermal expansion of the semicircular flue gas collecting cover, on the fixing device and the intake duct is effectively eliminated as the suspended fixing device and the expansion joint are put in soft connection. One side or both sides of the intake duct connector of the collecting cover is/are designed into a flared structure, while the intake duct is designed into a rectangular shape, so that gas in the cover can be distributed evenly. The air exchange device is arranged above the collecting cover and a shutter type valve is adopted to guarantee that the flue gas content in the cover meets the sintering production requirement.
Description
Technical field
The utility model relates to metallurgy industry sintering waste heat recovery system, particularly a kind of sinter fume gathering-device that is applied in sinter fume residual neat recovering system.
Background technology
Flue gas recirculation sintering process is introduced the principle of sintering process and a kind of environment-friendly type sintering new technology of developing again based on the hot flue gas of a part.In this kind of technique, extract the hot waste gas in a part of sintering machine wind box out, do not enter atmosphere, but deliver to sintering pallet top smoke gas collecting apparatus through blower fan, again participate in sintering process.Due to sinter fume complicated component, in flue gas, contain dust, CO, CO
2, SO
2, heavy metal contaminants and dioxin-like chemical, not only serious environment pollution, and can working the mischief to health of human body.Therefore want to make sinter fume circulation to participate in sintering process, a smoke gas collecting apparatus just must be set, make this part flue gas in this device, do not leak in external environment.
Existing sinter fume gathering-device mainly comprises flue gas cover and fixture, and flue gas cover conventionally adopts and is bolted on sintering machine platform, and its flue gas cover is hard connection with sintering machine platform.Flue gas cover is to be generally connected by flange with admission line, also be rigidly connected, because gas temperature in flue gas cover is higher, can reach approximately 200 DEG C, therefore in long production process, can produce very large thermal expansion amount, and between flue gas cover and fixture and between flue gas cover and admission line, being hard connection, a thermal expansion amount part for generation is delivered in fixture, has affected fixed effect; A part is delivered on admission line, has also caused admission line to deform, and affects the stability of system.
Because smoke gas collecting apparatus is the device relatively sealing, existing sinter fume gathering-device is just faced with two larger problems: the one, ensure that the oxygen content of gas in gathering-device will reach the requirement of SINTERING PRODUCTION, and the 2nd, ensure that in gathering-device, distribution of gas is even.
Summary of the invention
The purpose of this utility model is to provide a kind of sinter fume gathering-device that can effectively eliminate the impact that thermal expansion causes smoke collecting cover, can ensure that the oxygen content of gas in gathering-device will reach the requirement of SINTERING PRODUCTION, and in gathering-device, distribution of gas is even simultaneously.
The purpose of this utility model realizes by following technical proposals:
Sinter fume gathering-device of the present utility model, comprise the smoke collecting cover that is arranged on sintering pallet platform top, be arranged on the sealing device between smoke collecting cover and chassis, be arranged on admission line and the wind apparatus of converting that is arranged on smoke collecting cover top on smoke collecting cover, it is characterized in that described smoke collecting cover is semicircle smoke collecting cover, described semicircle smoke collecting cover is connected with sintering pallet platform by suspension type fixture, described suspension type fixture is by being arranged on sintering pallet platform, and the fixed support that semicircle smoke collecting cover is placed in one, be arranged on upper connecting ring and the side connecting ring of fixed support upper end, connect semicircle smoke collecting cover and support bracket fastened horizontal tie-beam and longitudinally suspension type connecting rod form, also be respectively equipped with connecting ring I and connecting ring II in the position corresponding with fixed support upper end connecting ring and side connecting ring, the both sides of described semicircle smoke collecting cover, described horizontal tie-beam one end is connected with the connecting ring II on semicircle smoke collecting cover, the other end is connected with support bracket fastened side connecting ring, described longitudinal suspension type connecting rod one end is connected with the connecting ring I on semicircle smoke collecting cover, the other end is connected with support bracket fastened upper end connecting ring, described admission line is connected with the admission line interface of semicircle smoke collecting cover by expansion joint.
Be provided with urgent exhaust apparatus in described both sides, semicircle smoke collecting cover bottom, described urgent exhaust apparatus is made up of the rapidly opened and closed valve that is separately positioned on the emergency exhausting pipe road of both sides, semicircle smoke collecting cover bottom and be arranged on emergency exhausting pipe road.
" horn mouth " shape structure is counted in admission line interface one side of described semicircle smoke collecting cover or both sides.
Be provided with and convert wind apparatus on described semicircle smoke collecting cover top, described is venetian blind type valve.
Described admission line is designed to rectangular air inlet pipe road.
Described longitudinal suspension type connecting rod is long longitudinal suspension type connecting rod and short longitudinal suspension type connecting rod, its long longitudinal suspension type connecting rod one end is connected with the connecting ring I on semicircle smoke collecting cover, the other end is connected with support bracket fastened upper end connecting ring, its short longitudinal suspension type connecting rod one end is connected with the connecting ring II on semicircle smoke collecting cover, and the other end is connected with support bracket fastened upper end connecting ring.
The utility model has the advantages that:
1) owing to having adopted suspension type fixture, smoke collecting cover and sintering pallet platform are formed and be flexible coupling, eliminate the impact that the thermal expansion of flue gas cover causes fixture;
2) owing to being provided with expansion joint between the admission line interface at admission line and semicircle smoke collecting cover, formation is flexible coupling, and has also effectively eliminated the impact that the thermal expansion of flue gas cover causes admission line; 3) smoke collecting cover cover body semicircular in shape, " horn mouth " shape structure is counted in admission line interface one side of collecting hood or both sides, and admission line is designed to rectangle, is conducive to gas uniform in cover body and distributes;
4) collecting hood top is provided with and converts wind apparatus, adopts venetian blind type valve, can ensure that in cover body, flue gas content meets SINTERING PRODUCTION demand.
The utility model is simple in structure, and technology arrangement more flexibly, conveniently.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is that I-I of figure is to view.
Fig. 3 is that II-II of Fig. 1 is to view.
Fig. 4 is that III-III of Fig. 1 is to view.
Fig. 5 is that IV-IV of Fig. 1 is to view.
Fig. 6 is the structural representation of another embodiment of Fig. 5.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As Figure 1-Figure 5, sinter fume gathering-device of the present utility model, comprise the smoke collecting cover that is arranged on sintering pallet platform 9 tops, be arranged on the sealing device 8 between smoke collecting cover and chassis, what be arranged on admission line on smoke collecting cover 1 and be arranged on smoke collecting cover top converts wind apparatus 7, it is characterized in that described smoke collecting cover is semicircle smoke collecting cover 5
" horn mouth " shape structure is counted in admission line interface 3 one sides of semicircle smoke collecting cover 5 described in the utility model or both sides, ensures that in flue gas cover, distribution of gas is more even.The sinter fume that participates in like this circulation can enter from a side or the both sides of semicircle smoke collecting cover 5, and this technology arrangement more flexibly, conveniently;
As shown in Figure 5, described semicircle smoke collecting cover 5 is connected with sintering pallet platform 9 by suspension type fixture 4, described suspension type fixture 4 is by being arranged on sintering pallet platform 9, and the fixed support 4-1 that semicircle smoke collecting cover 5 is placed in one, be arranged on upper connecting ring 4-2 and the side connecting ring 4-5 of fixed support 4-1 upper end, connect semicircle smoke collecting cover 5 and support bracket fastened horizontal tie-beam 4-4 and longitudinally suspension type connecting rod 4-3 form, also be respectively equipped with connecting ring I 5-1 and connecting ring II 5-2 in the position corresponding with fixed support upper end connecting ring and side connecting ring, the both sides of described semicircle smoke collecting cover 5, described horizontal tie-beam 4-4 one end is connected with the connecting ring II 5-2 on semicircle smoke collecting cover 5, the other end is connected with the side connecting ring 4-5 of fixed support 4-1, described longitudinal suspension type connecting rod 4-3 one end is connected with the connecting ring II 5-1 on semicircle smoke collecting cover 5, the other end is connected with support bracket fastened upper end connecting ring 4-2, described admission line 1 is connected with admission line 5 interfaces 3 of semicircle smoke collecting cover by expansion joint 2.
Because the utility model adopts suspension type fixture 4, flue gas cover connects by suspension type connecting rod, forms and hangs fixed structure, thereby effectively eliminated the impact that the thermal expansion of semicircle smoke collecting cover causes fixture.
As shown in Figure 1 and Figure 4, the utility model is provided with urgent exhaust apparatus 6 in described semicircle smoke collecting cover 5 both sides, bottom, and described urgent exhaust apparatus 6 is made up of the rapidly opened and closed valve 6-2 that is separately positioned on the emergency exhausting pipe road 6-1 of both sides, semicircle smoke collecting cover bottom and be arranged on emergency exhausting pipe road 6-1.Can be under the state of emergency flue gas cover in gas take out system pipeline discharged to main, ensured that pernicious gas does not leak in ambient air, assurance device safe, reliable.
The wind apparatus 7 of converting described in the utility model is for venetian blind type valve.Close to being blended in flue gas cover as required
Appropriate fresh air, ensures the necessary oxygen content of sintering production process.
As shown in Figure 6, longitudinal suspension type connecting rod 4-3 described in the utility model is long longitudinal suspension type connecting rod 4-3-2 and short longitudinal suspension type connecting rod 4-3-1, its long longitudinal suspension type connecting rod 4-3-2 one end is connected with the connecting ring I 5-2 on semicircle smoke collecting cover, the other end is connected with support bracket fastened upper end connecting ring 4-2, its short longitudinal suspension type connecting rod 4-3-1 one end is connected with the connecting ring II 5-1 on semicircle smoke collecting cover, and the other end is connected with support bracket fastened upper end connecting ring 4-2.This structure hanging better effects if.
Claims (6)
1. a sinter fume gathering-device, comprise the smoke collecting cover that is arranged on sintering pallet platform top, be arranged on the sealing device between smoke collecting cover and chassis, be arranged on the admission line and the wind apparatus of converting that is arranged on smoke collecting cover top on smoke collecting cover top, it is characterized in that described smoke collecting cover is semicircle smoke collecting cover, described semicircle smoke collecting cover is connected with sintering pallet platform by suspension type fixture, described suspension type fixture is by being arranged on sintering pallet platform, and the fixed support that semicircle smoke collecting cover is placed in one, be arranged on upper connecting ring and the side connecting ring of fixed support upper end, connect semicircle smoke collecting cover and support bracket fastened horizontal tie-beam and longitudinally suspension type connecting rod form, also be respectively equipped with connecting ring I and connecting ring II in the position corresponding with fixed support upper end connecting ring and side connecting ring, the both sides of described semicircle smoke collecting cover, described horizontal tie-beam one end is connected with the connecting ring II on semicircle smoke collecting cover, the other end is connected with support bracket fastened side connecting ring, described longitudinal suspension type connecting rod one end is connected with the connecting ring I on semicircle smoke collecting cover, the other end is connected with support bracket fastened upper end connecting ring, described admission line is connected with the admission line interface of semicircle smoke collecting cover by expansion joint.
2. sinter fume gathering-device according to claim 1, it is characterized in that being provided with urgent exhaust apparatus in described both sides, semicircle smoke collecting cover bottom, described urgent exhaust apparatus is made up of the rapidly opened and closed valve that is separately positioned on the emergency exhausting pipe road of both sides, semicircle smoke collecting cover bottom and be arranged on emergency exhausting pipe road.
3. sinter fume gathering-device according to claim 1, is characterized in that " horn mouth " shape structure is counted in admission line interface one side or the both sides of described semicircle smoke collecting cover.
4. sinter fume gathering-device according to claim 1, is characterized in that its top is provided with and converts wind apparatus, and the described wind apparatus of converting is venetian blind type valve.
5. sinter fume gathering-device according to claim 1, is characterized in that described admission line is designed to rectangular air inlet pipe road.
6. sinter fume gathering-device according to claim 1, it is characterized in that described longitudinal suspension type connecting rod is for long longitudinal suspension type connecting rod and short longitudinal suspension type connecting rod, its long longitudinal suspension type connecting rod one end is connected with the connecting ring I on semicircle smoke collecting cover, the other end is connected with support bracket fastened upper end connecting ring, its short longitudinal suspension type connecting rod one end is connected with the connecting ring II on semicircle smoke collecting cover, and the other end is connected with support bracket fastened upper end connecting ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420284894.7U CN203837512U (en) | 2014-05-30 | 2014-05-30 | Sintering flue gas collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420284894.7U CN203837512U (en) | 2014-05-30 | 2014-05-30 | Sintering flue gas collecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203837512U true CN203837512U (en) | 2014-09-17 |
Family
ID=51515338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420284894.7U Expired - Lifetime CN203837512U (en) | 2014-05-30 | 2014-05-30 | Sintering flue gas collecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203837512U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107419094A (en) * | 2017-08-31 | 2017-12-01 | 中冶华天工程技术有限公司 | A kind of separate system for sintering flue gas recirculation loop |
| CN110608618A (en) * | 2019-10-14 | 2019-12-24 | 中国科学院过程工程研究所 | External support type sintering flue gas circulation sealing device and stacking method thereof |
| CN112304260A (en) * | 2020-09-30 | 2021-02-02 | 首钢集团有限公司 | Method for determining length of sintering flue gas cover |
-
2014
- 2014-05-30 CN CN201420284894.7U patent/CN203837512U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107419094A (en) * | 2017-08-31 | 2017-12-01 | 中冶华天工程技术有限公司 | A kind of separate system for sintering flue gas recirculation loop |
| CN110608618A (en) * | 2019-10-14 | 2019-12-24 | 中国科学院过程工程研究所 | External support type sintering flue gas circulation sealing device and stacking method thereof |
| CN112304260A (en) * | 2020-09-30 | 2021-02-02 | 首钢集团有限公司 | Method for determining length of sintering flue gas cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |