CN107268947A - The construction method of arc flue perforate - Google Patents
The construction method of arc flue perforate Download PDFInfo
- Publication number
- CN107268947A CN107268947A CN201710443697.3A CN201710443697A CN107268947A CN 107268947 A CN107268947 A CN 107268947A CN 201710443697 A CN201710443697 A CN 201710443697A CN 107268947 A CN107268947 A CN 107268947A
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- flue
- brick
- perforate
- arc
- arch
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/02—Vertical ducts; Channels, e.g. for drainage for carrying away waste gases, e.g. flue gases; Building elements specially designed therefor, e.g. shaped bricks or sets thereof
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
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Abstract
The invention provides a kind of construction method of arc flue perforate.Including：Protector installation steps, protector is laid on flue top plate close to the position for treating opening area；Construction equipment making step, makes door type frame, arc roll-over protective structure and other auxiliary machine tools；Reinforced concrete flue opening step, door type frame is installed on after after the predeterminated position of opening area, cutting perforate is carried out to reinforced concrete flue；Brick refractory brick flue opening step, arc roll-over protective structure is installed between flue top plate and fire resisting bricked arch roof, and perforate is carried out to brick fireproof flue；Personnel's monitoring, hole closing and protection step, cover perforate hole, monitor flue pressure, and flue duct and in time cap holes are installed in perforate after finishing；Site clearing step, is cleared up the building waste of job site.The present invention is simple to operate to be applicable, and efficiency is higher, prevents external force from concentrating caused flue arch crown to be caved in by external force, it is ensured that during Demolition Construction, the normal daily production of coke oven.
Description
Technical field
The present invention relates to engineering construction technical field of construction, in particular to a kind of construction party of arc flue perforate
Method.
Background technology
At present, various commercial plants and facility inside becoming increasingly popular with energy-conserving and environment-protective theory, old industrial enterprise
Heat recovery technology upgrading transformation become increasingly prevalent, in order to which the flue gas of high temperature or low temperature is used, its
In brick arc flue perforate improvement project it is more and more.
In general, flue includes concrete roof and arch crown, brick flue is divided into layering annular and builds by laying bricks or stones and be layered
Staggeredly build by laying bricks or stones, such as during waste heat recovery is carried out to coke oven low-temperature flue gas, the flue gas discharged using coke oven is set up as thermal source
One waste heat boiler and auxiliary facility, flue gas are returned again in flue after being reclaimed by waste heat boiler, are gone out by smoke stack emission
Go, accordingly, it would be desirable to open flue gas leadout hole, flashboard hole and flue gas entrance hole on chimney main chimney flue top plate.
In flue openings in the ceiling operation, workmen typically stands directly on arch crown and carries out perforate to flue top plate
Operation, when perforated area is larger, construction space can become narrow and small, and the construction operation to workmen is made troubles, also, arc
Shape vault, so as to bring harmful effect to whole production, can also be caused workmen to fall into by easily being caved in during external force
The security incident of flue.
As can be seen that prior art is difficult to accomplish both to ensure the safety of brick arc flue and normal production, ensure to apply again
The safety of workman person.
The content of the invention
In consideration of it, the present invention proposes a kind of construction method of arc flue perforate, it is intended to solve existing flue perforate skill
Art is easily caused arch crown and caved in, so as to bring the problem of adversely affecting and easily cause security incident to normal production.
On one side, the present invention proposes a kind of construction method of arc flue perforate, comprises the following steps：Protector
Installation steps, protector is laid on flue top plate close to the position for treating opening area；
Construction equipment making step, makes door type frame, arc roll-over protective structure and other auxiliary machine tools；The perforate of reinforced concrete flue is walked
Suddenly, the door type frame is installed on described after after the predeterminated position of opening area, cutting perforate is carried out to reinforced concrete flue；It is brick
Refractory brick flue opening step, the arc roll-over protective structure is installed between flue top plate and fire resisting bricked arch roof, to the brick
Build fireproof flue and carry out perforate；Personnel's monitoring, hole closing and protection step, cover perforate hole, monitor flue pressure, perforate
Flue duct and in time cap holes are installed after finishing；Site clearing step, is cleared up the building waste of job site.
Further, in the construction method of above-mentioned arc flue perforate, the construction equipment making step also includes：Make
Bquster and brick-clamping device.
Further, in the construction method of above-mentioned arc flue perforate, in the construction equipment making step, the gate
The composition material of frame is channel-section steel and I-steel.
Further, in the construction method of above-mentioned arc flue perforate, in the construction equipment making step, the arc
Roll-over protective structure includes：Outer layer arch ring and internal layer arch ring；Wherein, the outer layer arch ring is suspended in the upper of the arch crown of brick refractory brick
Side, the internal layer arch ring is placed in below the arch crown of brick refractory brick；The internal layer arch ring is connected with the outer layer arch ring,
And it is connected to the top plate for treating perforate flue.
Further, in the construction method of above-mentioned arc flue perforate, the reinforced concrete flue opening step is further wrapped
Include：Line setting sub-step, in the default position of opening line setting of reinforced concrete flue top plate, door type frame is positioned over and treats perforate
The predeterminated position in region；Drill sub-step, in the reinforced concrete flue top plate drilling；Sub-step is cut, according to the line position
The cutting flue roof support with reinforced concrete is put, the reinforced concrete block of cutting is hung into the flue roof support with reinforced concrete and entrucking
Outward transport.
Further, in the construction method of above-mentioned arc flue perforate, in the line setting sub-step, according to perforate chi
Very little point of perforate at least twice.
Further, in the construction method of above-mentioned arc flue perforate, the brick refractory brick flue opening step enters one
Step includes：Arc roll-over protective structure sub-step is installed, after refractory brick arc flue top plate builds partition wall by laying bricks or stones, arc roll-over protective structure be installed on
Between the partition wall of flue top plate and fire resisting bricked arch roof；Brick fireproof flue removes sub-step, remove successively refratory insulating brick and
Clay brick.
Further, in the construction method of above-mentioned arc flue perforate, the brick fireproof flue is removed in sub-step, right
The clay brick built by laying bricks or stones in layering annular, bquster is stamped in the clay brick both sides do not removed, progressively removes resistance to from top to both sides
Fiery clay brick, after the first arch chamotte brick perforate is finished, installs the internal layer arch ring of arc roll-over protective structure, supports the second arch fire resisting
Clay brick, removes second and encircles chamotte brick；The internal layer arch ring of arc roll-over protective structure is shifted, the 3rd is removed and encircles chamotte brick, with
This analogizes, until whole fire resisting bricked arch roof perforates are finished.
The present invention has the advantages that：
1st, simple to operate to be applicable, efficiency is higher, and labor intensity is greatly reduced；
2nd, the bearing capacity of flue vault is taken full advantage of, has disperseed flue supporting power, prevents external force from concentrating the cigarette caused
Road arch crown is caved in by external force, it is ensured that during Demolition Construction, the normal daily production of coke oven；
3rd, the special tool equipments such as door type frame, safe arc frame are employed, the progress of brick arc flue perforate is improved, contracted
The short engineering time, improve efficiency；
4th, fire resisting brick baffle has been built by laying bricks or stones, it is ensured that will not mutually collaborate between flue.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit is common for this area
Technical staff will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And in whole accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings：
Fig. 1 is the flow chart of the construction method of arc flue perforate provided in an embodiment of the present invention；
Fig. 2 is the mounting structure schematic diagram of arc roll-over protective structure in brick arc flue provided in an embodiment of the present invention；
Fig. 3 is the another flow chart of the construction method of arc flue perforate provided in an embodiment of the present invention；
Fig. 4 is the another flow chart of the construction method of arc flue perforate provided in an embodiment of the present invention.
Embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although showing the disclosure in accompanying drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
Limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Complete conveys to those skilled in the art.It should be noted that in the case where not conflicting, embodiment in the present invention and
Feature in embodiment can be mutually combined.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Referring to Fig. 1, the flow chart of the construction method of arc flue perforate provided in an embodiment of the present invention is shown in figure.Such as
Shown in figure, the technique comprises the following steps：.
Protector installation steps S1, protector is laid on flue top plate close to the position for treating opening area.
Specifically, on flue top plate close to the position for treating opening area carry out the protectors such as laying guard rail and
The safe preparation that workmen should be noted.
Construction equipment making step S2, makes door type frame, arc roll-over protective structure and other auxiliary machine tools.Specifically, Ke Yixuan
With being that channel-section steel and I-steel make door type frame.It is for instance possible to use [200 channel-section steels, I200 I-steel make 2400mm it is high,
Door type frame wide 2000mm.When it is implemented, the size of door type frame can be determined according to actual conditions.Can from channel-section steel or
Steel plate etc. makes arc roll-over protective structure.Other equipments can including bquster etc. equipment.
Referring to Fig. 2, the mounting structure figure of arc roll-over protective structure in arc flue provided in an embodiment of the present invention is shown in figure.
As seen from the figure：It is fire resisting bricked arch roof 1 inside flue, is divided into two layers, upper strata is insulating brick 11, lower floor is clay brick 12.It is viscous
Cob brick is built by laying bricks or stones or is layered for layering annular and staggeredly builds by laying bricks or stones；Outside is square armored concrete flue 2.
Arc roll-over protective structure in the present embodiment can include：Outer layer arch ring 3 and internal layer arch ring 4.Outer layer arch ring 3 is suspended in brick
The top of the arch crown of refractory brick is built, internal layer arch ring puts 4 below the arch crown of brick refractory brick；Internal layer arch ring 4 with it is outer
Stringcourse circle 3 is connected, and is connected to the top plate for treating perforate flue.When it is implemented, can be by the first bindiny mechanism 5 by outer layer
Arch ring 3 is fixed on the top plate for treating perforate flue.Engaging lug is provided with the vault of internal layer arch ring 4, the engaging lug is provided with perforate,
The perforate that outer layer arch ring 3 can be hooked on engaging lug by one end of the second bindiny mechanism 6 is connected with internal layer arch ring 3, and second
The other end of bindiny mechanism 6 is fixed on the top plate for treating perforate flue.The two ends of internal layer arch ring 4 can pass through the 3rd bindiny mechanism 7
It is connected.Wherein, the first bindiny mechanism 5, the second bindiny mechanism 6 and the 3rd bindiny mechanism 7 can be by leading screw, flower basket bolt, grooves
The parts such as steel, steel plate are constituted, and the annexation of each part is well known to those skilled in the art, and here is omitted.
Reinforced concrete flue opening step S3, the door type frame is installed on it is described after after the predeterminated position of opening area, it is right
Reinforced concrete flue carries out cutting perforate.Reinforced concrete flue opening step S3 further comprises：
Line setting sub-step S31, in the default position of opening line setting of reinforced concrete flue top plate, door type frame is placed
In the predeterminated position for treating opening area.Specifically, during line setting, perforate at least twice can be divided according to bore size, for example
Four pieces of armored concrete flue sheets to be cut can be marked off in the region for treat perforate according to bore size perforate in four times.
Drill sub-step S32, in the reinforced concrete flue top plate drilling.Specifically, it can be drilled using 100mm water drillings,
In order to which the hook hook done using reinforcing bar is reeved, it is drilled after 100mm holes and is blocked using plug, prevents rainwater and apply
Work current flue.
Sub-step S33 is cut, the flue roof support with reinforced concrete is cut according to the scribing position, by the reinforcing bar of cutting
Concrete block hangs the flue roof support with reinforced concrete and entrucking outward transport.
Specifically, using Buddha's warrior attendant chain rope saw cutting machine, flue armored concrete is cut in position to the layout line, when one block of reinforcing bar
The three sides cutting of concrete is finished, only during surplus one side, does support using door type frame, and sling reinforced concrete block (for example using chain block
23 tons of chain block can be used), then cut last one side reinforced concrete；Cutting pulls hoist and plays reinforced concrete after finishing
Block is hung at the top of reinforced concrete flue, then slings entrucking outward transport (can for example select 25t crane) using crane；Use in time
Plank closes floss hole, by that analogy, progressively removes remaining three pieces of armored concrete flue sheets, and whole perforate is finished.
Brick refractory brick flue opening step S4, flue top plate and fire resisting bricked arch roof are installed on by the arc roll-over protective structure
Between, perforate is carried out to the brick fireproof flue.The step may further include：
Arc roll-over protective structure sub-step S41 is installed, after refractory brick arc flue top plate builds partition wall by laying bricks or stones, arc roll-over protective structure pacified
Between partition wall loaded on flue top plate and fire resisting bricked arch roof.
Specifically, after the perforate of armored concrete flue sheet is finished, starting to build by laying bricks or stones on refractory brick arc flue top prevents phase
Arc roll-over protective structure, is then installed between the partition wall of flue top plate and fire resisting bricked arch roof by the partition wall mutually collaborated.
Brick fireproof flue removes sub-step S42, and refratory insulating brick and clay brick are removed successively.
Specifically, first layer refratory insulating brick can be removed using cleaver, crowbar and hammer etc. and removes the resistance to fire screen of first layer
Hot brick, and clean out；Then second layer clay brick is removed.When removing clay brick, to prevent clay brick stress is unbalance suddenly from collapsing
Collapse, the clay brick built by laying bricks or stones for layering annular is stamped bquster in the clay brick both sides do not removed, progressively torn open from top to both sides
Except chamotte brick, after the first arch chamotte brick perforate is finished, the internal layer arch ring of arc roll-over protective structure is installed, the second arch is supported
Chamotte brick, removes second and encircles chamotte brick；The internal layer arch ring of arc roll-over protective structure is shifted, the 3rd is removed and encircles fire clay
Brick, by that analogy, until whole fire resisting bricked arch roof perforates are finished.Staggeredly clay brick is built by laying bricks or stones for layering：The arch staggeredly built by laying bricks or stones
It is preferable that top turns security, it is not easy to caves in and falls to inside flue, making for bquster can be determined according to on-site actual situations
Use situation.
Personnel's monitoring, hole closing and protection step S5, cover perforate hole, monitor flue pressure, and perforate is pacified after finishing
Fill flue duct and in time cap holes.
Specifically, it is real-time using related monitoring device in Tapping procedures, it is necessary to arrange special messenger to guard coke oven production process
Monitor flue pressure, run into pressure oscillation it is larger when, sent using intercom to workmen stop immediately construction signal.Open
Plank and refractory fiber blanket coverage hole are used during hole in time, it is to avoid influence coke oven flue is normally produced；Perforate is finished, cleared up
After clean, flue is installed immediately, and carry out close measure.
Site clearing step S6, is cleared up the building waste of job site.
Specifically, the building waste to scene residual is cleaned, equipment used in work progress etc. is dismantled and playbacked.
In summary, the construction method of the arc flue perforate in the present embodiment, simple to operate to be applicable, efficiency is higher, and
And labor intensity is greatly reduced；The bearing capacity of flue vault is taken full advantage of, has disperseed flue supporting power, external force collection is prevented
In the flue arch crown that causes caved in by external force, it is ensured that during Demolition Construction, the normal daily production of coke oven；Employ door
The special tool equipments such as type frame, safe arc frame, improve the progress of brick arc flue perforate, shorten the engineering time, improve
Efficiency；Fire resisting brick baffle is built by laying bricks or stones, it is ensured that will not mutually collaborate between flue.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (8)
1. a kind of construction method of arc flue perforate, it is characterised in that comprise the following steps：
Protector installation steps, protector is laid on flue top plate close to the position for treating opening area；
Construction equipment making step, makes door type frame, arc roll-over protective structure and other auxiliary machine tools；
Reinforced concrete flue opening step, the door type frame is installed on it is described after after the predeterminated position of opening area, to reinforced concrete
Flue carries out cutting perforate；
Brick refractory brick flue opening step, the arc roll-over protective structure is installed between flue top plate and fire resisting bricked arch roof,
Perforate is carried out to the brick fireproof flue；
Personnel's monitoring, hole closing and protection step, cover perforate hole, monitor flue pressure, perforate installs flue after finishing
Pipeline and in time cap holes；
Site clearing step, is cleared up the building waste of job site.
2. the construction method of arc flue perforate according to claim 1, it is characterised in that the construction equipment makes step
Suddenly also include：Make bquster and brick-clamping device.
3. the construction method of arc flue perforate according to claim 1, it is characterised in that the construction equipment makes step
In rapid, the composition material of the door type frame is channel-section steel and I-steel.
4. the construction method of arc flue perforate according to claim 1, it is characterised in that the construction equipment makes step
In rapid, the arc roll-over protective structure includes：Outer layer arch ring and internal layer arch ring；Wherein,
The outer layer arch ring is suspended in the top of the arch crown of brick refractory brick, and the internal layer arch ring is placed in brick refractory brick
Below arch crown；
The internal layer arch ring is connected with the outer layer arch ring, and is connected to the top plate for treating perforate flue.
5. the construction method of arc flue perforate according to any one of claim 1 to 4, it is characterised in that the steel
Muscle concrete flue opening step further comprises：
Line setting sub-step, in the default position of opening line setting of reinforced concrete flue top plate, door type frame is positioned over and waited out
The predeterminated position of bore region；
Drill sub-step, in the reinforced concrete flue top plate drilling；
Sub-step is cut, the flue roof support with reinforced concrete is cut according to the scribing position, the reinforced concrete block of cutting is hung
From the flue roof support with reinforced concrete and entrucking outward transport.
6. the construction method of arc flue perforate according to claim 5, it is characterised in that the line setting sub-step
In, according to bore size point perforate at least twice.
7. the construction method of arc flue perforate according to claim 6, it is characterised in that the brick refractory brick flue
Opening step further comprises：
Arc roll-over protective structure sub-step is installed, after refractory brick arc flue top plate builds partition wall by laying bricks or stones, arc roll-over protective structure is installed on cigarette
Between the partition wall of road top plate and fire resisting bricked arch roof；
Brick fireproof flue removes sub-step, and refratory insulating brick and clay brick are removed successively.
8. the construction method of arc flue perforate according to claim 7, it is characterised in that the brick fireproof flue is torn open
Except in sub-step, the clay brick built by laying bricks or stones for layering annular stamps bquster, progressively from top in the clay brick both sides do not removed
Chamotte brick is removed to both sides, after the first arch chamotte brick perforate is finished, the internal layer arch ring of arc roll-over protective structure, support are installed
Firmly the second arch chamotte brick, removes second and encircles chamotte brick；The internal layer arch ring of arc roll-over protective structure is shifted, the 3rd arch is removed resistance to
Fiery clay brick, by that analogy, until whole fire resisting bricked arch roof perforates are finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710443697.3A CN107268947B (en) | 2017-06-13 | 2017-06-13 | The construction method of arc flue aperture |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710443697.3A CN107268947B (en) | 2017-06-13 | 2017-06-13 | The construction method of arc flue aperture |
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| CN107268947A true CN107268947A (en) | 2017-10-20 |
| CN107268947B CN107268947B (en) | 2019-08-02 |
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| CN201710443697.3A Active CN107268947B (en) | 2017-06-13 | 2017-06-13 | The construction method of arc flue aperture |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109339482A (en) * | 2018-10-15 | 2019-02-15 | 上海宝钢节能环保技术有限公司 | A kind of boring method of underground flue |
| CN110655929A (en) * | 2018-06-28 | 2020-01-07 | 上海梅山钢铁股份有限公司 | Online hole opening method for chimney with brick-concrete structure of coke oven |
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|---|---|---|---|---|
| CN103374356A (en) * | 2012-04-25 | 2013-10-30 | 五冶集团上海有限公司 | Flue arch crown online opening pipe connecting method for smoke waste-heat utilization of coke oven |
| CN104962296A (en) * | 2015-06-25 | 2015-10-07 | 天津二十冶建设有限公司 | Coke oven basis flue fast construction method free of top die erecting |
| CN206144252U (en) * | 2016-10-31 | 2017-05-03 | 北京京诚科林环保科技有限公司 | Concrete chimney that contains newly -increased flue trompil |
-
2017
- 2017-06-13 CN CN201710443697.3A patent/CN107268947B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103374356A (en) * | 2012-04-25 | 2013-10-30 | 五冶集团上海有限公司 | Flue arch crown online opening pipe connecting method for smoke waste-heat utilization of coke oven |
| CN104962296A (en) * | 2015-06-25 | 2015-10-07 | 天津二十冶建设有限公司 | Coke oven basis flue fast construction method free of top die erecting |
| CN206144252U (en) * | 2016-10-31 | 2017-05-03 | 北京京诚科林环保科技有限公司 | Concrete chimney that contains newly -increased flue trompil |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110655929A (en) * | 2018-06-28 | 2020-01-07 | 上海梅山钢铁股份有限公司 | Online hole opening method for chimney with brick-concrete structure of coke oven |
| CN109339482A (en) * | 2018-10-15 | 2019-02-15 | 上海宝钢节能环保技术有限公司 | A kind of boring method of underground flue |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107268947B (en) | 2019-08-02 |
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