CN204824943U - A single tube way tangential cyclone for blast furnace gas once removes dust - Google Patents
A single tube way tangential cyclone for blast furnace gas once removes dust Download PDFInfo
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- CN204824943U CN204824943U CN201520538620.0U CN201520538620U CN204824943U CN 204824943 U CN204824943 U CN 204824943U CN 201520538620 U CN201520538620 U CN 201520538620U CN 204824943 U CN204824943 U CN 204824943U
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- dust collector
- blast furnace
- tornado dust
- tangential
- gas
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Abstract
The utility model relates to a single tube way tangential cyclone for blast furnace gas once removes dust, include cyclone body, reducer pipe, intake pipe, be used for the downtake of leading -in blast furnace raw gas and be used for the gaseous blast pipe that removes dust of discharging that downtake, reducer pipe and intake pipe communicate in proper order, downtake and blast furnace tedge intercommunication, intake pipe and the tangent intercommunication in cyclone body upper portion, cyclone body top is located to the blast pipe, and cyclone body lower part is equipped with grey storehouse. This internal being equipped with of cyclone makes the air current change the air current reflection mechanism to the top spin, and air current reflection mechanism is close to grey storehouse and locates grey storehouse top. The utility model discloses an it connects blast furnace raw gas blast pipe, simple structure, simple to operate to set up the downtake, in the leading -in cyclone of blast furnace raw gas, dust removal effect is high than the gravitational precipitator, effectively alleviates the load of follow -up coal gas secondary dust pelletizing system.
Description
Technical field
The utility model relates to fly-ash separator technical field, is specifically related to the tangential tornado dust collector of a kind of single-pipeline for blast furnace gas one-time dedusting.
Background technology
At present, blast furnace crude gas primary dedusting system mainly contains three kinds of schemes: (1) gravitational precipitator; (2) PW axial flow tornado dust collector; (3) gravitational precipitator+tangential tornado dust collector.The efficiency of dust collection of scheme (1) is lower, is only 40% ~ 50%; Scheme (2) deflector structure is complicated, installation inconvenience, and is easily ground away by Gas Flow at a high speed, blow off, often forces blast furnace staying; Scheme (3) is invested high, and floor space is large, higher to total figure arrangement requirement.
Therefore the tangential tornado dust collector of a kind of single-pipeline for blast furnace gas one-time dedusting of design are necessary, to overcome the problems referred to above.
Utility model content
The purpose of this utility model is the defect overcoming prior art, provides the tangential tornado dust collector of a kind of single-pipeline for blast furnace gas one-time dedusting, its efficiency of dust collection is high, it is low to invest, structure simply and do not limit by landform.
The utility model is achieved in that
The utility model provides a kind of single-pipeline for blast furnace gas one-time dedusting tangential tornado dust collector, comprise tornado dust collector body, adapter bonnet, inlet pipe, for importing the downtake of blast furnace crude gas and the vapor pipe for discharging dedusting gas, described downtake, adapter bonnet are communicated with successively with inlet pipe, described downtake is communicated with blast furnace upcast, described inlet pipe is communicated with described tornado dust collector body upper part is tangent, described tornado dust collector bodies top is located at by described vapor pipe, and described tornado dust collector body lower part is provided with ash silo; Be provided with in described tornado dust collector body make dedusting gas alter course on revolve and hold the air-flow reflecting mechanism that dedusting ash passes through, described air-flow reflecting mechanism is near described ash silo and be located at above described ash silo.
Further, described inlet pipe is horizontal direction single tube.
Further, described air-flow reflecting mechanism comprises Reflecting pyramid and is fixed on the collection ash reflection cone cover of described tornado dust collector inner body wall, and the axis of described Reflecting pyramid and described collection ash reflection cone cover overlaps with the axis of described tornado dust collector body; Described collection grey reflection cone cover is inversed taper platform shape cavity cone wide at the top and narrow at the bottom, the upper and lower end face of described collection grey reflection cone cover and described tornado dust collector body open communication, described Reflecting pyramid is fixed in the cavity of the grey reflection cone cover of described collection by fixation kit, forms annular mortar joint between the conical surface of the circular end face of described Reflecting pyramid and described collection ash reflection cone cover.
Further, described Reflecting pyramid is up-narrow and down-wide cone.
Further, the angle between the conical surface of the conical surface of described Reflecting pyramid and described collection ash reflection cone cover is 50 ~ 60 °.
Further, the gap between the conical surface of the circular end face of described Reflecting pyramid and described collection ash reflection cone cover is 350 ~ 500mm.
Further, described fixation kit comprises the steel structure support part be located on the described Reflecting pyramid conical surface, and the two ends of described steel structure support part are separately fixed on described Reflecting pyramid and described collection ash reflection cone cover.
Further, described inlet pipe is rectangular pipe.
The utility model has following beneficial effect: directly carry out one-time dedusting by arranging tangential tornado dust collector to blast furnace crude gas, efficiency of dust collection is 70% ~ 80%, higher than 40% ~ 50% of gravitational precipitator, can gravitational precipitator be replaced, effectively alleviate the load of follow-up gas secondary dust-removal system.This fly-ash separator structure is simple, easy for installation, and floor space is little, does not have an impact, therefore can reduce investment outlay to total figure layout.This fly-ash separator can concentrate the grit isolated particle diameter and be greater than 5 μm, is convenient to recycle Fe, gas ash that C content is high.
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.
The main TV structure schematic diagram of the tangential tornado dust collector that Fig. 1 provides for the utility model embodiment;
The plan structure schematic diagram of the tangential tornado dust collector that Fig. 2 provides for the utility model embodiment.
Embodiment
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, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope of the utility model protection.
As Fig. 1-Fig. 2, the utility model embodiment provides a kind of single-pipeline for blast furnace gas one-time dedusting tangential tornado dust collector, comprise tornado dust collector body 5, adapter bonnet 2, inlet pipe 3, for importing the downtake 1 of blast furnace crude gas and the vapor pipe 4 for discharging dedusting gas.Described downtake 1, adapter bonnet 2 are communicated with successively with inlet pipe 3, described downtake 1 and blast furnace crude gas outlet, and general blast furnace crude gas outlet is connected with delivery line and upcast, and namely above-mentioned downtake 1 is communicated with blast furnace upcast; Described inlet pipe 3 is communicated with described tornado dust collector body 5 top is tangent, and described tornado dust collector body 5 top is located at by described vapor pipe 4, and described tornado dust collector body 5 bottom is provided with ash silo 8.Downtake 1 is directly communicated with blast furnace crude gas outlet conduit, is imported in tornado dust collector body 5 by raw gas along adapter bonnet 2 and inlet pipe 3.Wherein, inlet pipe 3 is preferably set in level or the single-pipeline of level of approximation, and compared to the form that arranges of the inlet pipe such as dual circuit, its structure is simple, easy to maintenance, saving equipment cost, and this inlet pipe 3 can be rectangular pipe.
As Fig. 1, be provided with in described tornado dust collector body 5 make dedusting gas alter course on revolve and hold the air-flow reflecting mechanism that dedusting ash passes through, described air-flow reflecting mechanism is near described ash silo 8 and be located at above described ash silo 8.Preferably, described air-flow reflecting mechanism comprises Reflecting pyramid 6 and is fixed on the collection ash reflection cone cover 7 of described tornado dust collector body 5 inwall, and the axis of described Reflecting pyramid 6 and described collection grey reflection cone cover 7 overlaps with the axis of described tornado dust collector body 5.Described collection grey reflection cone cover 7 is inversed taper platform shape cavity cone wide at the top and narrow at the bottom, the upper and lower end face of described collection grey reflection cone cover 7 and described tornado dust collector body 5 open communication, described Reflecting pyramid 6 is fixed in the cavity of the grey reflection cone cover 7 of described collection by fixation kit, forms annular mortar joint between the conical surface of the circular end face of described Reflecting pyramid 6 and described collection ash reflection cone cover 7.Wherein, this Reflecting pyramid 6 is up-narrow and down-wide cone, and namely its pointed nose is positioned at the top of circular end face upward, makes its conical surface can reflected gas stream; Air-flow is under the reflex action collecting the conical surface of grey reflection cone cover 7 and the conical surface of Reflecting pyramid 6, alter course and form rotational gas flow, rise from the middle part of tornado dust collector body 5 and discharged by vapor pipe 4, and not conflicting with the decline coal gas of tornado dust collector body 5 inwall periphery.According to actual dedusting needs and blast furnace crude gas dust-laden situation, the angle designed between the conical surface of this Reflecting pyramid 6 and the conical surface collecting grey reflection cone cover 7 is 50 ~ 60 °, gap between the conical surface of the circular end face of described Reflecting pyramid 6 and described collection ash reflection cone cover 7 is 350 ~ 500mm, reaches best reflected gas stream and is convenient to gas ash and pass through.In addition, described fixation kit comprises the steel structure support part be located on described Reflecting pyramid 6 conical surface, the two ends of this steel structure support part are separately fixed on described Reflecting pyramid 6 and the grey reflection cone cover 7 of described collection, steel structure support makes Reflecting pyramid 6 Stability Analysis of Structures, does not swing, rocks under the impact of air-flow.
This air-flow reflecting mechanism also can take other structures, as used Reflecting pyramid 6 instead conical column structure; Or the circular end face arranging Reflecting pyramid 6 is positioned at the subjacent collecting grey reflection cone cover 7, pointed nose be positioned at collect grey reflection cone cover 7 bottom surface above, form annular mortar joint between the conical surface of Reflecting pyramid 6 and the bottom surface collecting grey reflection cone cover 7, air-flow then still alters course and forms rotational gas flow under the reflex action collecting the conical surface of grey reflection cone cover 7 and the conical surface of Reflecting pyramid 6.This Reflecting pyramid 6 is detachably fixed on by fixation kit on the wall of tornado dust collector body 5, and the level altitude of this Reflecting pyramid 6 on wall is adjustable, thus by the level altitude of accommodation reflex cone 6 to regulate the size of annular mortar joint, improve the situation that annular mortar joint is blocked.The adjustment passage (or inspection manhole) of accommodation reflex cone 6 level altitude is set in the corresponding position of tornado dust collector body 5, to facilitate the adjustment of Reflecting pyramid 6 level altitude.
For avoiding annular mortar joint to be affected fly-ash separator work and dust removing effects by gas ash blocking, establish one or more inspection manhole in the corresponding position of tornado dust collector body 5.The position of a little higher than annular mortar joint is answered in the position of this inspection manhole, owing to collecting the existence of grey reflection cone cover 7, at tornado dust collector body 5, inspection gallery can be set between the grey reflection cone cover 7 of collection, this inspection gallery can be linear or annular, offers inspection manhole in the equal height position of the grey reflection cone cover 7 of collection.
The tangential tornado dust collector that the present embodiment provides connect blast furnace crude gas vapor pipe 4 by downtake 1, and structure is simple, easy for installation; Blast furnace crude gas imports in tornado dust collector, and dust removing effects comparatively gravitational precipitator is high, effectively alleviates the load of follow-up gas secondary dust-removal system.This fly-ash separator floor space is little, does not have an impact, therefore can reduce investment outlay to total figure layout.This fly-ash separator can concentrate the grit isolated particle diameter and be greater than 5 μm, is convenient to recycle Fe, gas ash that C content is high.
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 (8)
1. the tangential tornado dust collector of the single-pipeline for blast furnace gas one-time dedusting, it is characterized in that: comprise tornado dust collector body, adapter bonnet, inlet pipe, for importing the downtake of blast furnace crude gas and the vapor pipe for discharging dedusting gas, described downtake, adapter bonnet are communicated with successively with inlet pipe, described downtake is communicated with blast furnace upcast, described inlet pipe is communicated with described tornado dust collector body upper part is tangent, described tornado dust collector bodies top is located at by described vapor pipe, and described tornado dust collector body lower part is provided with ash silo; Be provided with in described tornado dust collector body make dedusting gas alter course on revolve and hold the air-flow reflecting mechanism that dedusting ash passes through, described air-flow reflecting mechanism is near described ash silo and be located at above described ash silo.
2. the tangential tornado dust collector of the single-pipeline for blast furnace gas one-time dedusting according to claim 1, is characterized in that: described inlet pipe is horizontal direction single tube.
3. the tangential tornado dust collector of the single-pipeline for blast furnace gas one-time dedusting according to claim 1, it is characterized in that: described air-flow reflecting mechanism comprises Reflecting pyramid and is fixed on the collection ash reflection cone cover of described tornado dust collector inner body wall, and the axis of described Reflecting pyramid and described collection ash reflection cone cover overlaps with the axis of described tornado dust collector body; Described collection grey reflection cone cover is inversed taper platform shape cavity cone wide at the top and narrow at the bottom, the upper and lower end face of described collection grey reflection cone cover and described tornado dust collector body open communication, described Reflecting pyramid is fixed in the cavity of the grey reflection cone cover of described collection by fixation kit, forms annular mortar joint between the conical surface of the circular end face of described Reflecting pyramid and described collection ash reflection cone cover.
4. the tangential tornado dust collector of the single-pipeline for blast furnace gas one-time dedusting according to claim 3, is characterized in that: described Reflecting pyramid is up-narrow and down-wide cone.
5. the tangential tornado dust collector of the single-pipeline for blast furnace gas one-time dedusting according to claim 4, is characterized in that: the angle between the conical surface of the conical surface of described Reflecting pyramid and described collection ash reflection cone cover is 50 ~ 60 °.
6. the tangential tornado dust collector of the single-pipeline for blast furnace gas one-time dedusting according to claim 3 or 4, is characterized in that: the gap between the conical surface of the circular end face of described Reflecting pyramid and described collection ash reflection cone cover is 350 ~ 500mm.
7. the tangential tornado dust collector of the single-pipeline for blast furnace gas one-time dedusting according to claim 3, it is characterized in that: described fixation kit comprises the steel structure support part be located on the described Reflecting pyramid conical surface, the two ends of described steel structure support part are separately fixed on described Reflecting pyramid and described collection ash reflection cone cover.
8. the tangential tornado dust collector of the single-pipeline for blast furnace gas one-time dedusting according to claim 1 and 2, is characterized in that: described inlet pipe is rectangular pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520538620.0U CN204824943U (en) | 2015-07-23 | 2015-07-23 | A single tube way tangential cyclone for blast furnace gas once removes dust |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520538620.0U CN204824943U (en) | 2015-07-23 | 2015-07-23 | A single tube way tangential cyclone for blast furnace gas once removes dust |
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| CN204824943U true CN204824943U (en) | 2015-12-02 |
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| CN201520538620.0U Active CN204824943U (en) | 2015-07-23 | 2015-07-23 | A single tube way tangential cyclone for blast furnace gas once removes dust |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107502692A (en) * | 2017-09-26 | 2017-12-22 | 中冶南方工程技术有限公司 | The tangential multi-pipeline cyclone dust collectors of blast furnace gas one-time dedusting |
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2015
- 2015-07-23 CN CN201520538620.0U patent/CN204824943U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107502692A (en) * | 2017-09-26 | 2017-12-22 | 中冶南方工程技术有限公司 | The tangential multi-pipeline cyclone dust collectors of blast furnace gas one-time dedusting |
| WO2019062612A1 (en) * | 2017-09-26 | 2019-04-04 | 中冶南方工程技术有限公司 | Tangential multi-pipeline cyclone dust remover for primary dust removal of blast furnace gas |
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