CN207877657U - By having the tangential cyclone dust collectors of multi-pipeline of gravitational precipitator reconstruction - Google Patents
By having the tangential cyclone dust collectors of multi-pipeline of gravitational precipitator reconstruction Download PDFInfo
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- CN207877657U CN207877657U CN201721238423.2U CN201721238423U CN207877657U CN 207877657 U CN207877657 U CN 207877657U CN 201721238423 U CN201721238423 U CN 201721238423U CN 207877657 U CN207877657 U CN 207877657U
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Abstract
The utility model is related to a kind of by having the tangential cyclone dust collectors of multi-pipeline of gravitational precipitator reconstruction, including shell and the center ingress pipe for stretching into shell, center ingress pipe top center is equipped with exhaust pipe, top is equipped at least three around the uniformly distributed air inlet pipe in axle center, bottom is installed by reflector and reflector, air inlet pipe is tangent with center ingress pipe outer circle and is connected to blast furnace crude gas outlet, reflector is up-narrow and down-wide cone or cone column combination body, reflector is wide at the top and narrow at the bottom, both ends open, the circular cone cover that reflector is surrounded, annular mortar joint is formed between the conical surface of reflector and the conical surface of reflector, reflector imports inside pipe wall along center and fixes, reflector is mounted on by support element on reflector or on shell, the bottom of shell is collection ash cellar.The deduster high dust collection efficiency, transformation is simple, is not limited by landform.
Description
Technical field
The utility model belongs to blast furnace crude gas dedusting technology field, and in particular to a kind of to be reconstructed by having gravitational precipitator
The tangential cyclone dust collectors of multi-pipeline.
Background technology
Currently, the transformation of the gravitational precipitator of overhaul blast furnace, is limited, there are mainly three types of schemes by landform arrangement：1) it ties up
The form and size of prudent inertia force precipitator only repair damaged location；2) increase cyclone dust collectors behind gravitational precipitator.
Scheme 1) efficiency of dust collection do not improve, still maintain lower efficiency of dust collection；Scheme 2) height is not only invested, while
It is limited by landform, feasibility is very low.
Utility model content
The purpose of this utility model is to provide a kind of tangential cyclone dust collectors of multi-pipeline reconstructed by having gravitational precipitator,
The deduster high dust collection efficiency, transformation is simple, is not limited by landform.
Technical solution used by the utility model is：
It is a kind of by having the tangential cyclone dust collectors of multi-pipeline of gravitational precipitator reconstruction, including shell and stretch into shell
Heart ingress pipe, center ingress pipe top center is equipped with exhaust pipe, top be equipped at least three around the uniformly distributed air inlet pipe in axle center,
Reflector and reflector are installed in bottom, and air inlet pipe is tangent with center ingress pipe outer circle and is connected to blast furnace crude gas outlet, reflection
Body is up-narrow and down-wide cone or cone column combination body, the circular cone that reflector surrounds for wide at the top and narrow at the bottom, both ends open, by reflector
Cover, forms annular mortar joint between the conical surface of reflector and the conical surface of reflector, reflector is fixed along center importing inside pipe wall, reflected
Body is mounted on by support element on reflector or on shell, and the bottom of shell is collection ash cellar.
Further, the angle between the conical surface of reflector and the conical surface of reflector is 50~60 °, the gap of annular mortar joint
For 350~800mm.
Further, shell is equipped with inspection manhole, and reflector is equipped with access path, and access path connects with inspection manhole
It connects and extends at annular mortar joint.
Further, when reflector bottom end is located above reflector bottom opening, reflector is connected and fixed by support element
On reflector.
Further, when reflector bottom end is located at below reflector bottom opening, reflector is adjustable by support element height
Be connected on shell, shell is equipped with adjusting channel for adjusting reflector height.
Further, it is cavity inside reflector.
Further, air inlet pipe input end is connected to reducer pipe and down-comer successively, and reducer pipe gradually narrows, and down-comer connects
Pass to blast furnace crude gas outlet.
Further, air inlet pipe is rectangular tube.
Further, shell includes being sequentially connected and epicone lid, cylinder and lower cone bottom, the center ingress pipe being connected to stretch into
It bores in lid and is fixed on epicone and cover, lower cone bottom shape is at collection ash cellar.
The utility model has the beneficial effects that：
When work, raw gas is in air inlet pipe incision center ingress pipe, and raw gas is along center ingress pipe spiral inner wall
It moves downward, is altered course under the reflex of reflector to axe movement, and under the reflex of reflector in changed course formation
Rotational gas flow, upper rotational gas flow is discharged after rising in the middle part of the ingress pipe of center by exhaust pipe, under not imported near inside pipe wall with center
The blast furnace crude gas conflict of drop, meanwhile, during altering course twice, grit enters shell by annular mortar joint under the effect of gravity
The collection ash cellar of bottom；For the deduster is compared with single-pipeline, the tangential cyclone dust collectors of dual circuit, processing flow rates are wide, it is steady to have
Fixed eddy flow center；The deduster efficiency of dust collection is 80% or more, is higher than the 40%~50% of gravitational precipitator, can concentrate point
The grit that grain size is more than 5 μm is separated out, the zinc in little particle is will be present in and stays in gas secondary dedusting ash, it is dry convenient for recycling
Fe, C in dry gas ash, gas secondary dedusting are more conducive to the recovery processing of zinc, effectively mitigate follow-up gas secondary dedusting system
The load of system；The deduster connects blast furnace crude gas outlet by pipeline, simple in structure, easy for installation；The deduster takes up an area face
Product is small, is not had an impact to total figure arrangement, is not limited, can be reduced investment outlay by landform；It need to only be removed when the cleaner reform existing
Former air inlet pipe and exhaust pipe are blocked in gravitational precipitator top, and installation reflector, reflector and new air inlet pipe, transformation is simply；Branch
Support member makes reflector structure stablize, and does not occur to swing under the impact of air-flow, shake.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model embodiment.
In figure：1- air inlet pipe；2- exhaust pipes；The centers 3- ingress pipe；4- reflectors；5- reflectors；6- shells；It is bored under 601-
Bottom；602- cylinders；603- epicone lids.
Specific implementation mode
The utility model is further described with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of by having the tangential cyclone dust collectors of multi-pipeline of gravitational precipitator reconstruction, including 6 He of shell
The center ingress pipe 3 of shell 6 is stretched into, shell 6 includes epicone lid 603, cylinder 602 and the lower cone bottom 601 for being sequentially connected and being connected to,
Center ingress pipe 3 is stretched into epicone lid 603 and is fixed on epicone lid 603, and lower cone bottom 601 forms collection ash cellar, center ingress pipe 3
Top center is equipped with exhaust pipe 2, top is equipped at least three around the uniformly distributed air inlet pipe 1 in axle center, bottom 4 and of installation reflector
Reflector 5, air inlet pipe 1 is tangent with 3 outer circle of center ingress pipe and is connected to blast furnace crude gas outlet, and reflector 4 is up-narrow and down-wide
Cone or cone column combination body, reflector 5 be wide at the top and narrow at the bottom, both ends open, the circular cone cover that surrounds reflector 4, reflector 4
The conical surface and the conical surface of reflector 5 between form annular mortar joint, reflector 5 is fixed along 3 inner wall of center ingress pipe, reflector 4 is logical
Support element is crossed on reflector 5 or on shell 6.
When work, raw gas is cut along air inlet pipe 1 in center ingress pipe 3, and raw gas is along 3 inner wall spiral shell of center ingress pipe
Rotation moves downward, and is altered course under the reflex of reflector 5 to axe movement, and the shape that alters course under the reflex of reflector 4
At upper rotational gas flow, upper rotational gas flow is discharged after rising from the middle part of center ingress pipe 3 by exhaust pipe 2, not with 3 inner wall of center ingress pipe
The blast furnace crude gas conflict nearby declined, meanwhile, twice alter course during, grit under the effect of gravity by annular mortar joint into
Enter the collection ash cellar of 6 bottom of shell；For the deduster is compared with single-pipeline, the tangential cyclone dust collectors of dual circuit, processing flow rates are wide,
With stable eddy flow center；The deduster efficiency of dust collection is 80% or more, is higher than the 40%~50% of gravitational precipitator, can
It concentrates and isolates the grit that grain size is more than 5 μm, will be present in the zinc in little particle and stay in gas secondary dedusting ash, convenient for recycling
Using Fe, C in dry gas ash, gas secondary dedusting is more conducive to the recovery processing of zinc, effectively mitigates follow-up gas secondary
The load of dust pelletizing system；The deduster connects blast furnace crude gas outlet by pipeline, simple in structure, easy for installation；The deduster
Floor space is small, is not had an impact to total figure arrangement, is not limited, can be reduced investment outlay by landform；It need to only be torn open when the cleaner reform
Except existing gravitational precipitator top, former air inlet pipe and exhaust pipe are blocked, installation reflector 4, reflector 5 and new air inlet pipe 1 change
It makes simple；Support element makes 4 stable structure of reflector, does not occur to swing under the impact of air-flow, shake.
In the present embodiment, according to practical dedusting needs and blast furnace crude gas dust-laden situation, the conical surface of reflector 4 is designed
Angle between the conical surface of reflector 2 is 50~60 °, and the gap of annular mortar joint is 350~800mm, be can reach best anti-
It emanates and flows and pass through convenient for gas ash.
In the present embodiment, equipped with inspection manhole, (inspection manhole is one or more to shell 6, and inspection manhole is a little higher than
Reflector), reflector 5 is equipped with access path (access path is linear or annular), and access path is connect with inspection manhole
And it extends at annular mortar joint.Work and dust removing effects are influenced to avoid annular mortar joint from being blocked by gas ash, inspection manhole is set
And access path, carry out artificial raked joint.
In the present embodiment, when 4 bottom end of reflector is located at reflector 5 bottom opening top, reflector 4 passes through support element
It is fastened on reflector 5.When 4 bottom end of reflector is located at below 5 bottom opening of reflector, reflector 4 passes through support element
Adjustable for height to be connected on shell 6, shell 6 is equipped with the adjusting channel for adjusting reflector height.
In the present embodiment, 4 inside of reflector is cavity, reduces 4 weight of reflector.
In the present embodiment, 1 input end of air inlet pipe is connected to reducer pipe and down-comer successively, and reducer pipe gradually narrows, under
Drop pipe is connected to blast furnace crude gas outlet, and (blast furnace crude gas outlet is generally connected with delivery line and tedge, and down-comer passes through upper
Riser and blast furnace crude gas outlet), down-comer introduces raw gas with blast furnace crude gas outlet, and raw gas is along reducing
Pipe is cut by air inlet pipe 1 in center ingress pipe 3 after accelerating.
In the present embodiment, air inlet pipe 1 is rectangular tube, it is made preferably to be rotated down along inner wall.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations should all belong to the protection domain of the appended claims for the utility model.
Claims (7)
1. a kind of by having the tangential cyclone dust collectors of multi-pipeline of gravitational precipitator reconstruction, it is characterised in that：Including shell and stretch
Enter the center ingress pipe of shell, center ingress pipe top center is equipped with that exhaust pipe, that top is equipped at least three is equal around axle center
Air inlet pipe, bottom installation reflector and the reflector of cloth, air inlet pipe is tangent with center ingress pipe outer circle and is connected to blast furnace rough coal
Gas outlet, reflector are up-narrow and down-wide cone or cone column combination body, and reflector is wide at the top and narrow at the bottom, both ends open, will reflect
The circular cone cover that body surrounds forms annular mortar joint between the conical surface of reflector and the conical surface of reflector, reflector is along center ingress pipe
Inner wall is fixed, reflector is mounted on by support element on reflector or on shell, and the bottom of shell is collection ash cellar；
Angle between the conical surface of reflector and the conical surface of reflector is 50~60 °, and the gap of annular mortar joint is 350~800mm；
Shell is equipped with inspection manhole, and reflector is equipped with access path, and access path connect with inspection manhole and extends to ring
At shape mortar joint.
2. as described in claim 1 by having the tangential cyclone dust collectors of multi-pipeline of gravitational precipitator reconstruction, it is characterised in that：
When reflector bottom end is located above reflector bottom opening, reflector is fastened on by support element on reflector.
3. as described in claim 1 by having the tangential cyclone dust collectors of multi-pipeline of gravitational precipitator reconstruction, it is characterised in that：
When reflector bottom end is located at below reflector bottom opening, reflector is connected to by the way that support element is adjustable for height on shell, shell
Body is equipped with the adjusting channel for adjusting reflector height.
4. as described in claim 1 by having the tangential cyclone dust collectors of multi-pipeline of gravitational precipitator reconstruction, it is characterised in that：
It is cavity inside reflector.
5. as described in claim 1 by having the tangential cyclone dust collectors of multi-pipeline of gravitational precipitator reconstruction, it is characterised in that：
Air inlet pipe input end is connected to reducer pipe and down-comer successively, and reducer pipe gradually narrows, and down-comer is connected to blast furnace crude gas and goes out
Mouthful.
6. as described in claim 1 by having the tangential cyclone dust collectors of multi-pipeline of gravitational precipitator reconstruction, it is characterised in that：
Air inlet pipe is rectangular tube.
7. as described in claim 1 by having the tangential cyclone dust collectors of multi-pipeline of gravitational precipitator reconstruction, it is characterised in that：
Shell includes epicone lid, cylinder and the lower cone bottom for being sequentially connected and being connected to, and center ingress pipe is stretched into epicone lid and is fixed on
Cone covers, and lower cone bottom shape is at collection ash cellar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721238423.2U CN207877657U (en) | 2017-09-26 | 2017-09-26 | By having the tangential cyclone dust collectors of multi-pipeline of gravitational precipitator reconstruction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721238423.2U CN207877657U (en) | 2017-09-26 | 2017-09-26 | By having the tangential cyclone dust collectors of multi-pipeline of gravitational precipitator reconstruction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207877657U true CN207877657U (en) | 2018-09-18 |
Family
ID=63500349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721238423.2U Active CN207877657U (en) | 2017-09-26 | 2017-09-26 | By having the tangential cyclone dust collectors of multi-pipeline of gravitational precipitator reconstruction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207877657U (en) |
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2017
- 2017-09-26 CN CN201721238423.2U patent/CN207877657U/en active Active
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