CN102492438A - Method for replacing brackets of dry quenching furnace - Google Patents
Method for replacing brackets of dry quenching furnace Download PDFInfo
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- CN102492438A CN102492438A CN2011103801845A CN201110380184A CN102492438A CN 102492438 A CN102492438 A CN 102492438A CN 2011103801845 A CN2011103801845 A CN 2011103801845A CN 201110380184 A CN201110380184 A CN 201110380184A CN 102492438 A CN102492438 A CN 102492438A
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- bracket
- dry quenching
- quenching furnace
- strut member
- coke dry
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Abstract
The invention provides a method for replacing brackets of a dry quenching furnace. The method comprises the steps of: arranging a plurality of support members on the bottom of an inner ring brickwork of the dry quenching furnace according to a preset interval along the circumferential direction of the dry quenching furnace, wherein the tops of the support members are aligned to the tops of the brackets, and the support members are arranged between adjacent brackets; and lifting and pulling the support members at two sides of the two mutually-symmetrical brackets in the dry quenching furnace, and lifting the inner ring brickwork of the dry quenching furnace for a preset interval for replacing the brackets. According to the method provided by the invention, the brackets of the dry quenching furnace can be integrally replaced and thoroughly repaired, thus the bearing capacity of a chute region is increased and the service life of the brackets is prolonged.
Description
Technical field
The present invention relates to a kind of method of changing the bracket of coke dry quenching furnace, more particularly, relate to a kind of method of bracket that can the integral replacing coke dry quenching furnace.
Background technology
Along with the research and development of Dry Quenching Technology, coke dry quenching furnace obtains wide popularization and application.In the coke dry quenching furnace operational process, the bracket in the chute district of coke dry quenching furnace is owing to receiving pyritous influence breakage easily in the coke dry quenching furnace, rupture even collapsing.For the bracket of breakage, according to the damaged condition of bracket, adopt jointing, mend by replacing a damaged part, perforating, bury heat-resistance stainless steel strut member, establishment steel member, measure such as pour into a mould is repaired then.The method of this traditional repairing bracket exist servicing time long, difficulty is big, expense is high, and repairs shortcomings such as the back result of use is not good.
Summary of the invention
Therefore, the present invention provides a kind of method of bracket of integral replacing coke dry quenching furnace, to overcome long, the problems such as difficulty is big, expense height servicing time that prior art exists.
According to an aspect of the present invention; A kind of method of changing the bracket of coke dry quenching furnace is provided; Said method comprises: in the bottom of the interior ring masonry of coke dry quenching furnace a plurality of strut members are set according to predetermined space along the circumferential of coke dry quenching furnace; The top of said a plurality of strut members is concordant with the top of bracket, and said a plurality of strut member is between adjacent bracket; Lift the strut member of the both sides of two brackets that are mutually symmetrical in the coke dry quenching furnace simultaneously, so that the interior ring masonry of coke dry quenching furnace is mentioned predetermined gap, thereby said bracket is changed.
Said method also comprises through screw block and supports said a plurality of strut member.
The step that lifts said strut member comprises the two ends that lift said strut member through rope.
Said a plurality of strut member is a steel plate, and said rope is to be provided with the wireline that chain block hangs, and hangs through the chain block on the wireline that tightens up the two ends that lift said strut member simultaneously and lifts said strut member.
Through wireline the inner of said strut member is connected to the furnace roof bearing platform; Through wireline the outer end of said strut member is connected to the peephole support bracket; Wherein, the furnace roof bearing platform is positioned on the top of ring masonry of coke dry quenching furnace, and the peephole support bracket is arranged on the peephole.
The step of changing said bracket also comprises removes the bracket brick from top to bottom, afterwards, piles up the bracket brick from the bottom up.
The step of changing said bracket also is included between the two-layer brick of bracket and squeezes into plate.
In changing the process of bracket, hang through chain block said predetermined gap is remained unchanged.
Description of drawings
Through the detailed description of embodiment being carried out below in conjunction with accompanying drawing, above-mentioned and other aspects of the present invention will become apparent, in the accompanying drawing:
Fig. 1 is the longitudinal cross-section view of coke dry quenching furnace;
Fig. 2 is the synoptic diagram of method of changing the bracket of coke dry quenching furnace according to an embodiment of the invention;
Fig. 3 is the sectional view along the I-I line intercepting of Fig. 2;
Fig. 4 is the schema of method of changing the bracket of coke dry quenching furnace according to an embodiment of the invention;
Fig. 5 is a synoptic diagram of when changing bracket, squeezing into plate according to an embodiment of the invention.
Embodiment
Describe embodiments of the invention below with reference to accompanying drawings in detail.In the accompanying drawings, use identical label to indicate components identical.
Fig. 1 shows the longitudinal cross-section view of coke dry quenching furnace.Fig. 2 is the synoptic diagram of method of changing the bracket of coke dry quenching furnace according to an embodiment of the invention.Fig. 3 is the sectional view along the I-I line intercepting of Fig. 2.Fig. 4 is the schema of method of changing the bracket of coke dry quenching furnace according to an embodiment of the invention.Fig. 5 is a synoptic diagram of when changing bracket, squeezing into plate according to an embodiment of the invention.
For convenience, in the present embodiment, coke dry quenching furnace 1 forms round shape shaft furnace formula structure, but the shape of coke dry quenching furnace 1 is not limited thereto, and coke dry quenching furnace 1 can form other suitable structures, for example, and many prismatic structure.
As shown in Figure 1, coke dry quenching furnace 1 comprises outer shroud masonry 2, bracket 3 and interior ring masonry 4.
Wherein, outer shroud masonry 2 is positioned at the bottom of coke dry quenching furnace 1, and outer shroud masonry 2 comprises: the first vertical part, and cylindrical basically; First sloping portion stretches out from the first vertical upper end partly obliquely, thereby is the inversion conical butt of hollow; The second vertical part is upwards extended from the upper end of first sloping portion vertically, thereby cylindrical, and its diameter is greater than the diameter of the first vertical part.
First of outer shroud masonry 2 vertically partly is provided with manhole 211, gets in the coke dry quenching furnace 1 to make things convenient for personnel, thereby coke dry quenching furnace 1 is overhauled.Constitute the cooling room of coke dry quenching furnace 1 by the first vertical internal space that partly surrounds of outer shroud masonry 2.Coke 50 (as shown in Figure 2) is contained in the cooling room.
The zone that is surrounded by first sloping portion of outer shroud masonry 2 is called the chute district of coke dry quenching furnace 1.Bracket 3 is arranged in the chute district, and bracket 3 is brickwork constructions, ring masonry 4 in being used to support.Specifically, bracket 3 is provided with according to the predetermined space and first sloping portion along the circumferential direction in chute district contiguously, chute is distinguished into a plurality of independently chutes.In addition, the radial cross section shape triangular in shape along the chute district of bracket 3.
As stated; Because the diameter of the second vertical part of outer shroud masonry 2 is greater than the diameter of the first vertical part of interior ring masonry 4; So vertically partly and between the first vertical part of interior ring masonry 4 form annular space at second of outer shroud masonry 2, annular passage 5 is formed in the said annular space with peephole 6.
Specifically, annular passage 5 be positioned at said annular space the bottom, and the spatial communication between the two adjacent brackets 3, thus be communicated with the internal space of coke dry quenching furnace 1.The second vertical top block partly at outer shroud masonry 2 has annular peephole masonry 61.A plurality of peepholes 6 are formed in the peephole masonry 61, and said a plurality of peepholes 6 form according to predetermined space around the circumferential direction of said annular peephole masonry 61.
In the present embodiment, the quantity of peephole 6 is 30 (but be not limited thereto, the quantity of peephole 6 can be between 20 to 30), and peephole 6 be set at two adjacent brackets 3 between corresponding position, space.
In the process of carrying out heat exchange; The rare gas element that blast cap under the cooling room gets into cooling room and after red Jiao that the opening of interior ring masonry 4 gets into carries out heat exchange, get into the one-time dedusting equipment from the space between the two adjacent brackets 3 through annular passage 5; And then get into dedusting and waste heat recovery apparatus, after purification and waste heat recovery, continue to recycle.In above-mentioned heat exchanging process, bracket 3 is damaged because of the influence of the heat that receives red Jiao inevitably.
With reference to Fig. 2, in order to change damaged bracket 3, furnace roof bearing platform 7 (for example, beam still is not limited thereto) is installed in the top of coke dry quenching furnace 1; Peephole support bracket 62 is installed on the peephole masonry 61.Peephole support bracket 62 is processed by the 20# channel-section steel; The thick steel of tapping welding 10mm is strengthened gusset wherein; The outer wall of ring masonry 4 is arranged on (in other words, peephole support bracket 62 is joist steel, is welded to the surface of shell of coke dry quenching furnace 1) on the peephole masonry 61 in being close to.
In order to change bracket 3, ring masonry 4 in need lifting, for this reason, a plurality of strut members (for example, round steel) 8 along coke dry quenching furnace 1 circumferentially according to arranged at predetermined intervals in the chute district, and said a plurality of strut member 8 is between adjacent bracket 3.
Specifically; Strut member 8 is arranged on the bottom of interior ring masonry 4; Make that the top of strut member 8 is concordant with the top of bracket 3, and contact, and the end (the inner) of strut member 8 is positioned at prestore indoor with the bottom of interior ring masonry 4; The other end of strut member 8 (outer end) is positioned at annular passage 5, and corresponding with the position of peephole 6.
Then, respectively the two ends of strut member 8 are connected to peephole support bracket 62 and furnace roof bearing platform 7 through rope 9.Specifically, through a rope 9 the inner of strut member 8 (for example, passing the hanger (not shown) on the inner of strut member 8) is connected to furnace roof bearing platform 7, according to the structure of coke dry quenching furnace 1, rope 9 can be towards central authorities' inclination certain angle of coke dry quenching furnace 1.Through another rope 9 outer end of strut member 8 (for example, pass on the outer end of strut member 8 hanger (not shown)) is connected to peephole support bracket 62.
In addition, in order to reduce the pulling force that peephole support bracket 62 and furnace roof bearing platform 7 are born, at the lower disposed screw block 10 of strut member 8, with supported part 8.
Alternatively, every rope 9 is provided with chain block and hangs 11 (field of load 5t is to 10t), to be used to tighten rope 9.But the invention is not restricted to this, other device for screwing up can be set.
To detailed process that change bracket 3 be described with reference to Fig. 3 below.
For the ease of describing, suppose that the quantity of bracket 3 is 30 in the present embodiment, the angle between the adjacent bracket 3 is 12 °.Though define the quantity and the position of bracket 3 in the present embodiment, the quantity and the position of bracket 3 are not limited thereto.
In Fig. 3, schematically show a part of bracket 3, that is, and the bracket 31 and 32 that is mutually symmetrical, bracket 33 and 34, bracket 35 and 36.Be the method that example is described the bracket 3 of replacing coke dry quenching furnace 1 of the present invention in detail with bracket 31 and 32 below.
As shown in Figure 3, bracket 31 and 32 arranges along the same diameter of outer shroud masonry 2, and with the vertical straight line of said same diameter be symmetry axis figure axisymmetricly.In like manner, bracket 33 and 34, bracket 35 and 36 also arrange along the same diameter of outer shroud masonry 2 respectively, and with the vertical straight line of said same diameter be symmetry axis figure axisymmetricly.
In the present embodiment; Strut member 8 and bracket 3 circumferentially alternately being arranged in the chute district of coke dry quenching furnace 1 along coke dry quenching furnace 1; Make bracket 31 be sandwiched between adjacent two strut members 81 and 82, bracket 32 is sandwiched between adjacent two strut members 83 and 84.
In the present embodiment, strut member 81 is concordant with the top of bracket 31 with 82 top, and contacts with the bottom of interior ring masonry 4.Strut member 83 is concordant with the top of bracket 32 with 84 top, and contacts (step 401 among Fig. 4) with the bottom of interior ring masonry 4.
Through a rope 9 the inner of strut member 81 is connected to furnace roof bearing platform 7, the outer end of strut member 81 is connected to peephole support bracket 62 (step 402 among Fig. 4) through another rope 9.Repeat aforesaid operations, through rope 9 two ends of strut member 82,83 and 84 are connected to peephole support bracket 62 and furnace roof bearing platform 7 respectively.
Then; Lift the strut member 81,82,83 and 84 of the both sides of bracket 31 and 32 simultaneously, so that the interior ring masonry 4 of coke dry quenching furnace 1 is mentioned, ring masonry 4 (for example separates predetermined gap with bracket 31 and 32 in making; 5mm), to be convenient for changing bracket 31 and 32 (step 403 among Fig. 4).
Alternatively, can hang interior ring masonry 4 on 11 pairs of brackets 3 and apply and conduct oneself with dignity the prestress that lifts in the opposite direction through tightening the chain block that is arranged on each rope 9, thereby interior ring masonry 4 is mentioned.
Preferably, can come supported part 8, thereby prevent the sinking of ring masonry 4 masonries, drawing crack brick even avalanche in bracket 3 disintegrates construction period through the screw block 10 that is arranged under the strut member 8.In this process, peephole support bracket 62 equates with the power that furnace roof bearing platform 7 receives, make pulling force by evenly distribute to rope 9.
Then, hanging 11 through chain block remains unchanged said predetermined gap.
It should be noted; The manipulation require multiple person cooperational that lifts strut member 81,82,83 and 84 is accomplished; And need to accomplish and utilize chain block to hang tightening up (promptly of 11 pairs of wireline 9 through a plurality of (for example, 3, still being not limited thereto) circulation; Wireline 9 is tightened up in circulation), to reach the effect of the balanced application of force.
In the process of changing bracket 31 and 32; When bracket 31 and 32 is disintegrated; Must remove the bracket brick one by one, can use the mechanical engagement manual work of brick hole to remove, (this is because use pneumatic pick can produce vibration but do not allow to use pneumatic pick to disintegrate; Influence the stability of coke dry quenching furnace 1, and cause the part adjacent to become flexible easily) with bracket.When removing the bracket brick, remove the bracket brick from top to bottom, preferably remove loosening brick earlier, to guarantee personal security.Before building bracket 31 and 32 again by laying bricks or stones, can former masonry cleaning is clean, water waters a little again.When building every layer of brick of bracket 31 and 32 by laying bricks or stones, pile up the bracket brick from the bottom up, can build by laying bricks or stones according to the absolute altitude of building by laying bricks or stones in the past, keep the masonry level, the bracket brick is adopted the two-sided ash of beating, control the mortar plumpness of the brickwork joint between two bracket bricks simultaneously well.
During the disintegration of bracket 31 and 32, building construction, tired relaxation phenomenon appears in case find rope 9, just in time lax rope is tightened up, to guarantee safe construction.Building by laying bricks or stones after the completion of bracket 31 and 32; If there is big brickwork joint or loosening between bracket 31 or 32 the two-layer brick, then can (for example, 2mm) plate 12 be squeezed into (as shown in Figure 5) in the brickwork joint with the previously prepd pre-determined thickness; Alternatively, each bracket 3 can be squeezed into 1-2 piece plate 12.Thereby accomplish the replacing of bracket 31 and 32.
Repeat above-mentioned steps, to change symmetric bracket 33 and 34, bracket 35 and 36 respectively.
In the present embodiment, because interior ring masonry 4 is heavier, so during changing bracket 3, rope 9 need bear bigger pulling force, strut member 8 need have higher intensity.Therefore, preferably, strut member 8 can be round steel or steel plate, and rope 9 can be a wireline.
In addition, if in bracket, insert plate 12, then because plate 12 need bear bigger pressure, thus require plate 12 to have higher intensity, to avoid being extruded distortion (even damage).Therefore, plate 12 can be a steel plate.
Through above description, what person of skill in the art will appreciate that is, changes the method for the bracket of coke dry quenching furnace according to an embodiment of the invention, can carry out integral replacing to bracket, and can not destroy the structure of coke dry quenching furnace body.
In addition,, can the interior ring masonry integral body on the bracket of coke dry quenching furnace be sling according to the method for the bracket of replacing coke dry quenching furnace of the present invention, integral replacing bracket then, thus thoroughly repair the damaged bracket of coke dry quenching furnace.
In addition,, help guaranteeing coke dry quenching furnace safety, efficient, steady running, give full play to coke dry quenching furnace environmental protection, energy-conservation and improve the effect of coke quality according to the method for the bracket of replacing coke dry quenching furnace of the present invention.
The invention is not restricted to the foregoing description, under the situation that does not break away from the spirit of the present invention that is defined by the claims its scope and principle, can carry out various modifications embodiments of the invention.
Claims (8)
1. method of changing the bracket of coke dry quenching furnace, said method comprises:
In the bottom of the interior ring masonry of coke dry quenching furnace a plurality of strut members are set according to predetermined space along the circumferential of coke dry quenching furnace, the top of said a plurality of strut members is concordant with the top of bracket, and said a plurality of strut member is between adjacent bracket;
Lift the strut member of the both sides of two brackets that are mutually symmetrical in the coke dry quenching furnace simultaneously, so that the interior ring masonry of coke dry quenching furnace is mentioned predetermined gap, thereby said bracket is changed.
2. method according to claim 1 also comprises through screw block and supports said a plurality of strut member.
3. method according to claim 1, wherein, the step that lifts said strut member comprises the two ends that lift said strut member through rope.
4. method according to claim 3, wherein, said a plurality of strut members are steel plate, said rope is to be provided with the wireline that chain block hangs, and hangs through the chain block on the wireline that tightens up the two ends that lift said strut member simultaneously and lifts said strut member.
5. method according to claim 4; Wherein, Through wireline the inner of said strut member is connected to the furnace roof bearing platform, through wireline the outer end of said strut member is connected to the peephole support bracket, wherein; The furnace roof bearing platform is positioned on the top of ring masonry of coke dry quenching furnace, and the peephole support bracket is arranged on the peephole.
6. method according to claim 5, wherein, the step of changing said bracket also comprises removes the bracket brick from top to bottom, afterwards, piles up the bracket brick from the bottom up.
7. method according to claim 6, wherein, the step of changing said bracket also is included between the two-layer brick of bracket and squeezes into plate.
8. method according to claim 4 wherein, in changing the process of bracket, is hung through chain block said predetermined gap is remained unchanged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103801845A CN102492438A (en) | 2011-11-25 | 2011-11-25 | Method for replacing brackets of dry quenching furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103801845A CN102492438A (en) | 2011-11-25 | 2011-11-25 | Method for replacing brackets of dry quenching furnace |
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| CN102492438A true CN102492438A (en) | 2012-06-13 |
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| CN2011103801845A Pending CN102492438A (en) | 2011-11-25 | 2011-11-25 | Method for replacing brackets of dry quenching furnace |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104560065A (en) * | 2013-10-22 | 2015-04-29 | 五冶集团上海有限公司 | False corbel bracket and using method thereof during examining and repairing corbel bricks in dry quenching chute |
| CN110130673A (en) * | 2019-05-20 | 2019-08-16 | 中建钢构有限公司 | Bracket removes device and bracket method for dismounting |
| CN111996016A (en) * | 2020-08-25 | 2020-11-27 | 马鞍山钢铁股份有限公司 | Maintenance method for monoclinic way dry quenching furnace |
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| JPH01240593A (en) * | 1988-03-18 | 1989-09-26 | Nippon Steel Corp | Dry quenching of coke and device therefor |
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| CN101831309A (en) * | 2010-04-02 | 2010-09-15 | 攀钢集团冶金工程技术有限公司 | Dry quenching furnace chute strut replacing method and device |
| CN102069328A (en) * | 2010-06-18 | 2011-05-25 | 无锡市优耐特石化装备有限公司 | Supporting device used for automatic welding |
| CN102191066A (en) * | 2010-03-03 | 2011-09-21 | 五冶集团上海有限公司 | Coke dry quenching slope air course supporting brick overhaul construction process |
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- 2011-11-25 CN CN2011103801845A patent/CN102492438A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH01240593A (en) * | 1988-03-18 | 1989-09-26 | Nippon Steel Corp | Dry quenching of coke and device therefor |
| CN2047345U (en) * | 1989-03-23 | 1989-11-08 | 方少家 | Multipurpose energy-saving electric stove |
| CN1266084A (en) * | 2000-03-23 | 2000-09-13 | 上海宝钢集团公司 | Dry extinguishing coke pot flue pipe local overhauling method and equipment thereof |
| CN201074220Y (en) * | 2007-07-31 | 2008-06-18 | 中国第一冶金建设有限责任公司 | Supporting device for vertical flue shielding plate |
| CN102191066A (en) * | 2010-03-03 | 2011-09-21 | 五冶集团上海有限公司 | Coke dry quenching slope air course supporting brick overhaul construction process |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104560065A (en) * | 2013-10-22 | 2015-04-29 | 五冶集团上海有限公司 | False corbel bracket and using method thereof during examining and repairing corbel bricks in dry quenching chute |
| CN110130673A (en) * | 2019-05-20 | 2019-08-16 | 中建钢构有限公司 | Bracket removes device and bracket method for dismounting |
| CN111996016A (en) * | 2020-08-25 | 2020-11-27 | 马鞍山钢铁股份有限公司 | Maintenance method for monoclinic way dry quenching furnace |
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Application publication date: 20120613 |