CN204718421U - Dust collection cover and flue gas dust collection device - Google Patents
Dust collection cover and flue gas dust collection device Download PDFInfo
- Publication number
- CN204718421U CN204718421U CN201520275991.4U CN201520275991U CN204718421U CN 204718421 U CN204718421 U CN 204718421U CN 201520275991 U CN201520275991 U CN 201520275991U CN 204718421 U CN204718421 U CN 204718421U
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- cover body
- dust collection
- cover
- flue gas
- cooler
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Abstract
The utility model relates to off-gas recovery technical field, discloses a kind of dust collection cover, comprising: the first cover body and the second cover body, and described first cover body and the second cover body are flexibly connected.Also disclose a kind of flue gas dust collection device comprising this dust collection cover.The utility model is flexibly connected by the first cover body and the second cover body, both is linked together when electric furnace is clear greatly, achieves the recovery to flue gas when electric furnace is clear greatly.
Description
Technical field
The utility model relates to off-gas recovery technical field, refers to a kind of dust collection cover and flue gas dust collection device especially.
Background technology
The temperature higher (> 400 DEG C) of electric furnace flue gas and dustiness is comparatively large, its main component is the ZnO dust that the oxidation of simple substance zinc is formed, and has light, thin, the dispersed large and feature of poor fluidity.In the large clear process of electric furnace, during discharge flue gas, these dust are very easily bonded on associated satellite equipment and dust collection pipe.And containing a small amount of CO (usually within 10%) in electric furnace flue gas, if can not effective after-flame, may set off an explosion, and CO also can cause pollution.The combustion characteristics of CO is subject to the impact of the factors such as temperature, oxygen concentration, the time of staying and environment space.Also there is no a kind of dust collection cover reclaimed for electric furnace flue gas when clear greatly at present.
Utility model content
The utility model provides a kind of dust collection cover and flue gas dust collection device, solves the problem to off-gas recovery when electric furnace is clear greatly in prior art.
Dust collection cover of the present utility model, comprising: the first cover body and the second cover body, and described first cover body and the second cover body are flexibly connected.
Wherein, described second cover body comprises: the air inlet pipe connected successively, tube connector and escape pipe, and described escape pipe rotatably connects the air inlet of described first cover body, the axis of described air inlet pipe and the axis being parallel of described escape pipe and not on same straight line.
Wherein, described first cover body and the second cover body are straight-tube shape, the caliber of the first cover body is greater than the caliber of described second cover body, described first cover body outer wall is provided with joint sleeve, the outer wall of described second cover body is provided with connecting axle, and described connecting axle can move up and down along joint sleeve and be arranged on rotatably in joint sleeve.
Wherein, also comprise: the second cover body mobile platform, described second cover body is positioned on described second cover body mobile platform, and described first cover body and the second cover body are straight-tube shape, and the caliber of the first cover body is greater than the caliber of described second cover body.
Present invention also offers a kind of flue gas dust collection device, comprise: dust collection cover described in volume damper, cooler, deduster and above-mentioned any one, the gas outlet of the first cover body of described dust collection cover connects described cooler by described volume damper, and cooler connects described deduster.
Wherein, also comprise: air-introduced machine and chimney, described air-introduced machine connects deduster and chimney.
Dust collection cover of the present utility model is flexibly connected by the first cover body and the second cover body, both is linked together when electric furnace is clear greatly, achieves the recovery to flue gas when electric furnace is clear greatly.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of dust collection cover of the utility model;
Fig. 2 is for adopting the structural representation of the flue gas dust collection device of dust collection cover shown in Fig. 1;
Fig. 3 is the structural representation of the another kind of dust collection cover of the utility model;
Fig. 4 is for adopting the structural representation of the flue gas dust collection device of dust collection cover shown in Fig. 3;
Fig. 5 is the structural representation of another dust collection cover of the utility model;
Fig. 6 is for adopting the structural representation of the flue gas dust collection device of dust collection cover shown in Fig. 4; .
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As illustrated in fig. 1 and 2, the dust collection cover of the first embodiment of the present utility model comprises: the first cover body 11 and the second cover body 12, first cover body 11 and the second cover body 12 are flexibly connected.In the present embodiment, the second cover body 12 comprises: the air inlet pipe 123 connected successively, tube connector 122 and escape pipe 121.Escape pipe 121 rotatably connects the air inlet of the first cover body 11, the axis of air inlet pipe 123 and the axis being parallel of escape pipe 121 and not on same straight line.As dotted line in Fig. 1, show the position that the second cover body 12 rotates to another side.
As shown in Figure 2, for adopting the flue gas dust collection device of dust collection cover in this embodiment, comprising: volume damper 2, cooler 3, deduster 4 and above-mentioned dust collection cover.The gas outlet of the first cover body 11 of dust collection cover connects cooler 3 by volume damper 2, and cooler 3 connects deduster 4.Also comprise: air-introduced machine 5 and chimney 6, air-introduced machine 5 connects deduster 4 and chimney 6.
The dust collection cover of the present embodiment is divided into upper and lower two cover bodies, and top first cover body 11 is fixed, and bottom second cover body 12 is rotatable design.When electric furnace is large clear, the air inlet pipe 123 (that is: cover mouth) of the second cover body 12 aligns blanking and contracts out mouth 7, is namely arranged in Fig. 2 A place, and the second cover body 12 can be turned to suitable location B when blanking bag overhauls and go out to abdicate space for maintenance A.So both achieve the recovery to flue gas when electric furnace is clear greatly, do not take space for maintenance again when blanking bag overhauls.
Before electric furnace is clear greatly, the second cover body 12 is turned to blanking and contracts out above mouth 7.When electric furnace is clear greatly, feed opening opens pressure release, and blanking contracts out mouth 7 and sprays in a large number with the flue gas of flame, flue-gas temperature now higher (> 600 DEG C), now the mixed cold blast rate of dust collection cover can be regulated by volume damper 2, and flue-gas temperature is controlled; Flue gas arrives after cooler 3 is lowered the temperature through airduct and enters deduster 4, and it is emptying that the flue gas after purification arrives chimney 6 after air-introduced machine 5.
As shown in Figures 3 and 4, the dust collection cover of the second embodiment of the present utility model comprises: the first cover body 21 and the second cover body 22, first cover body 21 and the second cover body 22 are flexibly connected.In the present embodiment, the first cover body 21 and the second cover body 22 are straight-tube shape (can be designed to square tube or cylinder according to actual conditions), and the caliber of the first cover body 21 is greater than the caliber of the second cover body 22.First cover body 21 outer wall is provided with joint sleeve 211, and the outer wall of the second cover body 22 is provided with connecting axle 221, and connecting axle 221 can move up and down along joint sleeve 211 and be arranged on rotatably in joint sleeve 211.As dotted line in Fig. 3, show the position that the second cover body 22 rotates to another side.
As shown in Figure 4, for adopting the flue gas dust collection device of dust collection cover in this embodiment, comprising: volume damper 2, cooler 3, deduster 4 and above-mentioned dust collection cover.The gas outlet of the first cover body 21 of dust collection cover connects cooler 3 by volume damper 2, and cooler 3 connects deduster 4.Also comprise: air-introduced machine 5 and chimney 6, air-introduced machine 5 connects deduster 4 and chimney 6.
The dust collection cover of the present embodiment is divided into upper and lower two cover bodies, and top first cover body 21 is fixed, and bottom second cover body 22 is rotatable design.When electric furnace is clear greatly, the cover mouth rotating the second cover body 22 aligns blanking and contracts out mouth 7, and is inserted in the air inlet of the first cover body 21, is namely arranged in Fig. 4 A place.And the second cover body 22 can be turned to suitable location B to abdicate space for maintenance A when blanking bag overhauls.So both achieve the recovery to flue gas when electric furnace is clear greatly, do not take space for maintenance again when blanking bag overhauls.
Before electric furnace is large clear, the second cover body 22 is turned to blanking and to contract out above mouth 7 and the air inlet being inserted in the first cover body 21.When electric furnace is clear greatly, feed opening opens pressure release, and blanking contracts out mouth 7 and sprays in a large number with the flue gas of flame, flue-gas temperature now higher (> 600 DEG C), now the mixed cold blast rate of dust collection cover can be regulated by volume damper 2, and flue-gas temperature is controlled; Flue gas arrives after cooler 3 is lowered the temperature through airduct and enters deduster 4, and it is emptying that the flue gas after purification arrives chimney 6 after air-introduced machine 5.
As illustrated in Figures 5 and 6, the dust collection cover of the 3rd embodiment of the present utility model comprises: the first cover body 31 and the second cover body 32, first cover body 31 and the second cover body 32 are flexibly connected.In the present embodiment, also comprise: the second cover body mobile platform 33.Described second cover body 32 is positioned on the second cover body mobile platform 33.First cover body 31 and the second cover body 32 are straight-tube shape (can be designed to square tube or cylinder according to actual conditions), and the caliber of the first cover body 31 is greater than the caliber of described second cover body 32.In Fig. 5, dotted line shows the second cover body 32 and is moved to position away from the first cover body 31.The second cover body mobile platform 33 can be promoted time mobile and move the second cover body 32.Conveniently move, the second cover body mobile platform 33 envisaged underneath has wheel and track 34.
As shown in Figure 6, for adopting the flue gas dust collection device of dust collection cover in this embodiment, comprising: volume damper 2, cooler 3, deduster 4 and above-mentioned dust collection cover.The gas outlet of the first cover body 31 of dust collection cover connects cooler 3 by volume damper 2, and cooler 3 connects deduster 4.Also comprise: air-introduced machine 5 and chimney 6, air-introduced machine 5 connects deduster 4 and chimney 6.
The dust collection cover of the present embodiment is divided into upper and lower two cover bodies, and top first cover body 31 is fixed, and bottom second cover body 32 is removable design.When electric furnace is clear greatly, moves the second cover body mobile platform 33 along guide rail 34, make the cover mouth of the second cover body 32 align blanking and contract out mouth 7, and be inserted in the air inlet of the first cover body 31, be namely arranged in Fig. 6 A place.And the second cover body 32 can be moved to suitable location B to abdicate space for maintenance A when blanking bag overhauls by the second cover body mobile platform 33.So both achieve the recovery to flue gas when electric furnace is clear greatly, do not take space for maintenance again when blanking bag overhauls.
Before electric furnace is large clear, the second cover body 32 is moved to blanking and to contract out above mouth 7 and the air inlet being inserted in the first cover body 31.When electric furnace is clear greatly, feed opening opens pressure release, and blanking contracts out mouth 7 and sprays in a large number with the flue gas of flame, flue-gas temperature now higher (> 600 DEG C), now the mixed cold blast rate of dust collection cover can be regulated by volume damper 2, and flue-gas temperature is controlled; Flue gas arrives after cooler 3 is lowered the temperature through airduct and enters deduster 4, and it is emptying that the flue gas after purification arrives chimney 6 after air-introduced machine 5.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. a dust collection cover, is characterized in that, comprising: the first cover body and the second cover body, and described first cover body and the second cover body are flexibly connected.
2. dust collection cover as claimed in claim 1, it is characterized in that, described second cover body comprises: the air inlet pipe connected successively, tube connector and escape pipe, described escape pipe rotatably connects the air inlet of described first cover body, the axis of described air inlet pipe and the axis being parallel of described escape pipe and not on same straight line.
3. dust collection cover as claimed in claim 1, it is characterized in that, described first cover body and the second cover body are straight-tube shape, the caliber of the first cover body is greater than the caliber of described second cover body, described first cover body outer wall is provided with joint sleeve, the outer wall of described second cover body is provided with connecting axle, and described connecting axle can move up and down along joint sleeve and be arranged on rotatably in joint sleeve.
4. dust collection cover as claimed in claim 1, it is characterized in that, also comprise: the second cover body mobile platform, described second cover body is positioned on described second cover body mobile platform, described first cover body and the second cover body are straight-tube shape, and the caliber of the first cover body is greater than the caliber of described second cover body.
5. a flue gas dust collection device, it is characterized in that, comprise: dust collection cover according to any one of volume damper, cooler, deduster and Claims 1 to 4, the gas outlet of the first cover body of described dust collection cover connects described cooler by described volume damper, and cooler connects described deduster.
6. flue gas dust collection device as claimed in claim 5, is characterized in that, also comprise: air-introduced machine and chimney, and described air-introduced machine connects deduster and chimney.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520275991.4U CN204718421U (en) | 2015-04-30 | 2015-04-30 | Dust collection cover and flue gas dust collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520275991.4U CN204718421U (en) | 2015-04-30 | 2015-04-30 | Dust collection cover and flue gas dust collection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204718421U true CN204718421U (en) | 2015-10-21 |
Family
ID=54317414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520275991.4U Expired - Fee Related CN204718421U (en) | 2015-04-30 | 2015-04-30 | Dust collection cover and flue gas dust collection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204718421U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595329A (en) * | 2017-01-18 | 2017-04-26 | 绵阳易简环保科技有限公司 | Multi-station dust removal device of induction furnace |
| CN110542320A (en) * | 2019-09-24 | 2019-12-06 | 安徽诚泰环保工程有限公司 | smelting furnace suction hood |
-
2015
- 2015-04-30 CN CN201520275991.4U patent/CN204718421U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595329A (en) * | 2017-01-18 | 2017-04-26 | 绵阳易简环保科技有限公司 | Multi-station dust removal device of induction furnace |
| CN106595329B (en) * | 2017-01-18 | 2018-11-27 | 绵阳易简环保科技有限公司 | Multistation induction furnace dust-extraction unit |
| CN110542320A (en) * | 2019-09-24 | 2019-12-06 | 安徽诚泰环保工程有限公司 | smelting furnace suction hood |
| CN110542320B (en) * | 2019-09-24 | 2020-12-18 | 安徽诚泰环保工程有限公司 | Smelting furnace suction hood |
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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 |
Granted publication date: 20151021 Termination date: 20160430 |