CN105115308A - Induced draft dust removing device for material receiving point of ring cooling machine - Google Patents
Induced draft dust removing device for material receiving point of ring cooling machine Download PDFInfo
- Publication number
- CN105115308A CN105115308A CN201510650113.0A CN201510650113A CN105115308A CN 105115308 A CN105115308 A CN 105115308A CN 201510650113 A CN201510650113 A CN 201510650113A CN 105115308 A CN105115308 A CN 105115308A
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- Prior art keywords
- dust
- pipe
- control
- central cooler
- material feeding
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Abstract
The invention provides an induced draft dust removing device for a material receiving point of a ring cooling machine. A sealing cover of the device is located above a material layer of the ring cooling machine. An induced draft opening is formed in the bottom of the sealing cover and the top of the sealing cover is communicated with the outlet end of a switchover type three-way valve. Dust collection header pipes are distributed on the two sides of the material receiving point of the ring cooling machine. One end of each dust collection header pipe is closed, the other end of each dust collection header pipe is communicated with the first inlet end of the switchover type three-way valve, the second inlet end of the switchover type three-way valve is an air inlet, a switchover baffle is arranged between the two inlet ends, and the air inflows of the two inlet ends are adjusted by adjusting the angle of the switchover baffle. Dust suction pipes are located in the sealing cover, pipe openings of the lower ends of the dust suction pipes are communicated with the external atmosphere of the ring cooling machine, pipe openings of the upper ends of the dust suction pipes penetrate through the sealing cover so as to be communicated with pipe openings of the lower ends of dust collection branch pipes, pipe openings of the upper ends of the dust collection branch pipes are communicated with the dust collection header pipes, an auxiliary dust collection pipe is communicated between the dust collection header pipes, and multiple dust suction holes are distributed in the auxiliary dust collection pipe. The portions between the sealing cover and the dust suction pipes are filled with heat-resistant insulation cotton. A honeycomb pipe structure is adopted by each dust suction pipe. Compensators are additionally arranged between the dust collection branch pipes and the dust collection header pipes.
Description
Technical field
The invention belongs to sintering circular-cooler dedusting technology field, particularly relate to a kind of central cooler material feeding point air-drafting and dust-removing device.
Background technology
Because the material feeding point place of sintering circular-cooler is difficult to the generation avoiding airborne dust, in order to reduce the airborne dust concentration at material feeding point place, improve the environmental quality at sintering circular-cooler material feeding point place, just need to carry out dust removal process to material feeding point place, the dedusting method that present stage adopts is for arrange a dedusting air port at material feeding point place, namely the dust laden air at material feeding point place is extracted by dedusting air port, to play the object of dedusting.But while extracting dust laden air by dedusting air port, also taken a large amount of heats away, this directly will have influence on waste heat recovery thereupon, utilization rate of waste heat is caused to reduce and lose more than gain.
Therefore, need a kind of brand-new material feeding point dust arrester of design badly, not only can ensure dust removing effects, and can not waste heat recovery be affected.
Summary of the invention
For prior art Problems existing, the invention provides a kind of central cooler material feeding point air-drafting and dust-removing device, while ensureing dust removing effects, also can not affect waste heat recovery.
To achieve these goals, the present invention adopts following technical scheme: a kind of central cooler material feeding point air-drafting and dust-removing device, comprise suitching type three-way valve, control of dust house steward, control of dust arm, sweep-up pipe and seal closure, described seal closure is positioned at the top of the central cooler bed of material, the bottom of seal closure is inlet scoop, and the top of seal closure and the port of export of suitching type three-way valve are connected; Described control of dust house steward is distributed in central cooler material feeding point both sides, control of dust house steward one end is closed, first entrance point of the control of dust house steward other end and suitching type three-way valve is connected, second entrance point of suitching type three-way valve is air inlet, between the first entrance point and the second entrance point, be provided with switching baffle plate, the intake of the first entrance point and the second entrance point adjusts by regulating the angle switching baffle plate; Described sweep-up pipe is positioned at seal closure inside, and the sweep-up pipe lower end mouth of pipe communicates with central cooler outside atmosphere through seal closure, and the sweep-up pipe upper end mouth of pipe is connected with the control of dust arm lower end mouth of pipe through seal closure, and the control of dust arm upper end mouth of pipe is connected with control of dust house steward.
Be divided in central cooler material feeding point both sides and be furnished with two described control of dust house stewards, be connected by auxiliary dust leg between two described control of dust house stewards, auxiliary dust leg is distributed with some air suction openings.
Described control of dust arm quantity is some, and the uniform setting of some control of dust arms.
Described sweep-up pipe quantity is some, and the uniform setting of some sweep-up pipes.
Heat insulation cotton is filled with between described seal closure and sweep-up pipe.
Described sweep-up pipe adopts honeycomb duct structure.
Described seal closure adopts double-layer seal cover structure.
Compensator is added between described control of dust arm and control of dust house steward.
Beneficial effect of the present invention:
Central cooler of the present invention is installed, when central cooler normally runs, and when coordinating afterheat generating system, possesses the ability of comprehensive removing central cooler material feeding point place airborne dust, effectively improve the environmental quality at central cooler material feeding point place.
The present invention with in existing technology by compared with the dedusting method in a layout dedusting air port, effectively expand dedusting effective area, and dedusting scope can expand the central cooler bed of material to, reduce further dust raising phenomenon.
When afterheat generating system fault, the present invention can be adjusted to simple dedusting pattern by suitching type three-way valve, still effectively can ensure efficiency of dust collection, maintain the environmental quality at central cooler material feeding point place.
Sweep-up pipe of the present invention have employed honeycomb duct structure, can effectively reduce noise and vibration, prevent the suction of bulky grain thing simultaneously.
The present invention is provided with some control of dust arms and adopts uniform setting, by some control of dust arms can effectively average dust suction time blast, prevent other sweep-up pipe blocking, ensure the normal operation of dust arrester.
The present invention is filled with heat insulation cotton between seal closure and sweep-up pipe, not only can reduce radiation loss, can also effective noise-decreasing.
Accompanying drawing explanation
Fig. 1 is central cooler material feeding point air-drafting and dust-removing device structural representation of the present invention;
Fig. 2 is A-A sectional view in Fig. 1;
Fig. 3 is the top view of Fig. 1;
Fig. 4 is the structural representation of suitching type three-way valve
In figure, 1-suitching type three-way valve, 2-control of dust house steward, 3-control of dust arm, 4-sweep-up pipe, 5-seal closure, 6-switches baffle plate, and 7-assists dust leg, 8-compensator, and 9-heat insulation is cotton, the 10-port of export, 11-first entrance point, 12-second entrance point, 13-air suction opening, 14-central cooler.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in Figure 1,2,3, 4, a kind of central cooler material feeding point air-drafting and dust-removing device, comprise suitching type three-way valve 1, control of dust house steward 2, control of dust arm 3, sweep-up pipe 4 and seal closure 5, described seal closure 5 is positioned at the top of central cooler 14 bed of material, the bottom of seal closure 5 is inlet scoop, and the top of seal closure 5 and the port of export 10 of suitching type three-way valve 1 are connected; Described control of dust house steward 2 is distributed in central cooler material feeding point both sides, control of dust house steward 2 one end is closed, first entrance point 11 of control of dust house steward 2 other end and suitching type three-way valve 1 is connected, second entrance point 12 of suitching type three-way valve 1 is air inlet, be provided with between the first entrance point 11 and the second entrance point 12 and switch baffle plate 6, the intake of the first entrance point 11 and the second entrance point 12 adjusts by regulating the angle switching baffle plate 6; It is inner that described sweep-up pipe 4 is positioned at seal closure 5, the sweep-up pipe 4 lower end mouth of pipe communicates with central cooler outside atmosphere through seal closure 5, the sweep-up pipe 4 upper end mouth of pipe is connected with the control of dust arm 3 lower end mouth of pipe through seal closure 5, and the control of dust arm 3 upper end mouth of pipe is connected with control of dust house steward 2.
Be divided in central cooler material feeding point both sides and be furnished with two described control of dust house stewards 2, be connected by auxiliary dust leg 7 between two described control of dust house stewards 2, auxiliary dust leg 7 is distributed with some air suction openings 13, the airborne dust overflowed in the gap between the material receiving pipe of central cooler 14 and seal closure 5 can be siphoned away by air suction opening 13.
Described control of dust arm 3 quantity is some, and the uniform setting of some control of dust arms 3, can effectively average dust suction time blast, prevent other sweep-up pipe blocking, ensure the normal operation of dust arrester.
Described sweep-up pipe 4 quantity is some, and the uniform setting of some sweep-up pipes 4.
Between described seal closure 5 and sweep-up pipe 4, be filled with heat insulation cotton 9, not only can reduce radiation loss, can also effective noise-decreasing.
Described sweep-up pipe 4 adopts honeycomb duct structure, can effectively reduce noise and vibration, prevent the suction of bulky grain thing simultaneously.
Described seal closure 5 adopts double-layer seal cover structure.
Compensator 8 is added between described control of dust arm 3 and control of dust house steward 2.
Below in conjunction with accompanying drawing, a use procedure of the present invention is described:
When central cooler normally runs, and when coordinating afterheat generating system, at central cooler material feeding point, place can produce a large amount of dust-laden exhaust gas, now the sweep-up pipe 4 lower end mouth of pipe of dust-laden exhaust gas first in seal closure 5 sucks, through sweep-up pipe 4 upper end, the mouth of pipe enters in control of dust arm 3, enter in control of dust house steward 2 through control of dust arm 3 again, eventually through the first entrance point 11 that control of dust house steward 2 enters suitching type three-way valve 1, complete dedusting.Simultaneously, a part of airborne dust also can be overflowed in gap between the material receiving pipe of central cooler 14 and seal closure 5, and this part airborne dust can be inhaled in control of dust house steward 2 by the air suction opening 13 on the auxiliary dust leg 7 of connection between control of dust house steward 2, and finally enter the first entrance point 11 of suitching type three-way valve 1, complete dedusting.
Scheme in embodiment is also not used to limit scope of patent protection of the present invention, and the equivalence that all the present invention of disengaging do is implemented or changed, and is all contained in the scope of the claims of this case.
Claims (8)
1. a central cooler material feeding point air-drafting and dust-removing device, it is characterized in that: comprise suitching type three-way valve, control of dust house steward, control of dust arm, sweep-up pipe and seal closure, described seal closure is positioned at the top of the central cooler bed of material, the bottom of seal closure is inlet scoop, and the top of seal closure and the port of export of suitching type three-way valve are connected; Described control of dust house steward is distributed in central cooler material feeding point both sides, control of dust house steward one end is closed, first entrance point of the control of dust house steward other end and suitching type three-way valve is connected, second entrance point of suitching type three-way valve is air inlet, between the first entrance point and the second entrance point, be provided with switching baffle plate, the intake of the first entrance point and the second entrance point adjusts by regulating the angle switching baffle plate; Described sweep-up pipe is positioned at seal closure inside, and the sweep-up pipe lower end mouth of pipe communicates with central cooler outside atmosphere through seal closure, and the sweep-up pipe upper end mouth of pipe is connected with the control of dust arm lower end mouth of pipe through seal closure, and the control of dust arm upper end mouth of pipe is connected with control of dust house steward.
2. a kind of central cooler material feeding point air-drafting and dust-removing device according to claim 1, it is characterized in that: be divided in central cooler material feeding point both sides and be furnished with two described control of dust house stewards, be connected by auxiliary dust leg between two described control of dust house stewards, auxiliary dust leg is distributed with some air suction openings.
3. a kind of central cooler material feeding point air-drafting and dust-removing device according to claim 1, is characterized in that: described control of dust arm quantity is some, and the uniform setting of some control of dust arms.
4. a kind of central cooler material feeding point air-drafting and dust-removing device according to claim 1, is characterized in that: described sweep-up pipe quantity is some, and the uniform setting of some sweep-up pipes.
5. a kind of central cooler material feeding point air-drafting and dust-removing device according to claim 1, is characterized in that: between described seal closure and sweep-up pipe, be filled with heat insulation cotton.
6. a kind of central cooler material feeding point air-drafting and dust-removing device according to claim 1, is characterized in that: described sweep-up pipe adopts honeycomb duct structure.
7. a kind of central cooler material feeding point air-drafting and dust-removing device according to claim 1, is characterized in that: described seal closure adopts double-layer seal cover structure.
8. a kind of central cooler material feeding point air-drafting and dust-removing device according to claim 1, is characterized in that: between described control of dust arm and control of dust house steward, add compensator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510650113.0A CN105115308B (en) | 2015-10-10 | 2015-10-10 | Induced draft dust removing device for material receiving point of ring cooling machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510650113.0A CN105115308B (en) | 2015-10-10 | 2015-10-10 | Induced draft dust removing device for material receiving point of ring cooling machine |
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| CN105115308A true CN105115308A (en) | 2015-12-02 |
| CN105115308B CN105115308B (en) | 2017-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510650113.0A Active CN105115308B (en) | 2015-10-10 | 2015-10-10 | Induced draft dust removing device for material receiving point of ring cooling machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783532A (en) * | 2016-05-26 | 2016-07-20 | 中冶北方（大连）工程技术有限公司 | Totally-closed waste heat recycling device of ring cooling machine |
| CN106705683A (en) * | 2017-01-09 | 2017-05-24 | 中冶北方（大连）工程技术有限公司 | Air draft dedusting device of feeding position of ring cooling machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85200546U (en) * | 1985-04-01 | 1985-12-20 | 冶金工业部长沙黑色冶金矿山设计研究院 | Ring-type air-bleed cooling machine |
| JP2006241536A (en) * | 2005-03-04 | 2006-09-14 | Jfe Steel Kk | Dust collection method for blast furnace ore tank |
| CN103884198A (en) * | 2014-04-09 | 2014-06-25 | 中冶北方（大连）工程技术有限公司 | Device and method for dust collection and discharge of sintering flue gas |
| CN204307915U (en) * | 2014-12-10 | 2015-05-06 | 怀化辰州机械有限责任公司 | The smelting dust pelletizing system of a kind of quarrel dust arrester installation and application thereof |
| CN205048991U (en) * | 2015-10-10 | 2016-02-24 | 中冶北方（大连）工程技术有限公司 | Cold machine of ring receives material point dust collector that induced drafts |
-
2015
- 2015-10-10 CN CN201510650113.0A patent/CN105115308B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85200546U (en) * | 1985-04-01 | 1985-12-20 | 冶金工业部长沙黑色冶金矿山设计研究院 | Ring-type air-bleed cooling machine |
| JP2006241536A (en) * | 2005-03-04 | 2006-09-14 | Jfe Steel Kk | Dust collection method for blast furnace ore tank |
| CN103884198A (en) * | 2014-04-09 | 2014-06-25 | 中冶北方（大连）工程技术有限公司 | Device and method for dust collection and discharge of sintering flue gas |
| CN204307915U (en) * | 2014-12-10 | 2015-05-06 | 怀化辰州机械有限责任公司 | The smelting dust pelletizing system of a kind of quarrel dust arrester installation and application thereof |
| CN205048991U (en) * | 2015-10-10 | 2016-02-24 | 中冶北方（大连）工程技术有限公司 | Cold machine of ring receives material point dust collector that induced drafts |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783532A (en) * | 2016-05-26 | 2016-07-20 | 中冶北方（大连）工程技术有限公司 | Totally-closed waste heat recycling device of ring cooling machine |
| CN106705683A (en) * | 2017-01-09 | 2017-05-24 | 中冶北方（大连）工程技术有限公司 | Air draft dedusting device of feeding position of ring cooling machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105115308B (en) | 2017-03-22 |
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