CN107282699A - The apparatus for correcting and method of a kind of boiler water wall - Google Patents
The apparatus for correcting and method of a kind of boiler water wall Download PDFInfo
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- CN107282699A CN107282699A CN201710655102.0A CN201710655102A CN107282699A CN 107282699 A CN107282699 A CN 107282699A CN 201710655102 A CN201710655102 A CN 201710655102A CN 107282699 A CN107282699 A CN 107282699A
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- water
- cooling wall
- wall
- towing point
- correcting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/06—Removing local distortions
- B21D1/10—Removing local distortions of specific articles made from sheet metal, e.g. mudguards
Abstract
The invention discloses a kind of apparatus for correcting of boiler water wall and method, it is related to field of boilers.Apparatus for correcting includes corrective component and correcting component.The first towing point is connected with the first water-cooling wall, the second water-cooling wall is provided with the second towing point corresponding with the first towing point；Tractive force can be applied to the first towing point and the second towing point respectively by steel cable part by drawing main part, while jack is used in the opposite sides of the first towing point and the second towing point apply thrust to the first water-cooling wall and the second water-cooling wall.In common process of this traction with promotion, the direction that the first water-cooling wall and the second water-cooling wall are drawn close to each other is slowly moved, and gradually recovers smooth, boiler furnace is reached the overall dimensions that can normally use.The apparatus for correcting, which is reset into water-cooling wall to be corrected using mechanical checkout, can continue safe handling degree, and simple to be applicable, maintenance cycle is short, substantial amounts of to use manpower and material resources sparingly, with good economic benefits.
Description
Technical field
The present invention relates to field of boilers, in particular to the apparatus for correcting and method of a kind of boiler water wall.
Background technology
Furnace explosion is the unexpected detonation of boiler furnace fuel or flame-out, pressure in the burner hearth abruptly increase or is die-offed, more than furnace wall
The internal or external pressure that can bear and the accident for causing burner hearth to damage.Furnace explosion has outer quick-fried and two kinds of implosion, one
The substantial amounts of combustible of aggregation drastically uncontrollable explosive combustion, combustion product gases rapid spatial expansion in burner hearth, make burner hearth to
Outer explosion.It is stove chamber fire-extinguishing both the, flue gas volume reduces with temperature reduction is rapid, burner hearth bears very big negative pressure and inside
Explosion.Furnace explosion harm is very big, particularly outer quick-fried, not only results in furnace wall rupture, and the steelframe of boiler bends or is broken, also can
Heating surface pipe is set to rupture steam leakage and cause casualties, repair is difficult, and down time is long, direct and consequential damage
It is all very big.
The accidents such as furnace explosion, detonation and water shortage cause more serious bend of water screen tube to wait to correct, and change furnace water cooling
Wall pipe arranges that influence hearth combustion situation, flue gas flow and steam/water circulating situation, boiler can not be used normally.Current repairing
It is general to use the method for changing water screen tube to be corrected, not only extension maintenance duration, increase maintenance cost, and cause greatly
The wasting of resources.
The content of the invention
The first purpose of embodiments of the invention is to provide a kind of boiler water wall for strained water-cooling wall
Apparatus for correcting, using the method for machinery correction, solution is of the prior art to change extension dimension caused by water screen tube to be corrected
The problem of repairing the duration, increase maintenance cost, cause the wasting of resources.
The second purpose of embodiments of the invention is to provide a kind of antidote of boiler water wall, based on above-mentioned pot
The apparatus for correcting of stove water-cooling wall.
What embodiments of the invention were realized in：
A kind of apparatus for correcting of boiler water wall, the burner hearth of boiler possesses relative the first water-cooling wall and the second water-cooling wall,
First water-cooling wall and the second water-cooling wall are fin panel casing, are possessed respectively along axially extending the first center line and second of wall
Center line；Apparatus for correcting is included located at the corrective component between the first water-cooling wall and the second water-cooling wall；Connected on first water-cooling wall
There is the first towing point, the second water-cooling wall is provided with the second towing point corresponding with the first towing point；Corrective component includes steel cable part
With traction main part；The two ends of steel cable part are connected to the first towing point and the second towing point, and middle part and the traction of steel cable part
Main part is connected；Drawing main part is used to apply tractive force to the first towing point and the second towing point；Apparatus for correcting is also included located at the
The correcting component of one water-cooling wall and the second water-cooling wall opposite sides；Wherein, the first water-cooling wall to be corrected is used in traction
Draw close and flush to the first center line in the presence of power, the second water-cooling wall to be corrected is used in the presence of tractive force to second
Center line is drawn close and flushed, to recover the size used safely of boiler furnace.
Inventor has found：The accidents such as furnace explosion, detonation and water shortage cause more serious bend of water screen tube to wait to correct, boiler
Can not normally it use.Current repairing is general using the method for changing water screen tube to be corrected, not only extension maintenance duration, increase
Maintenance cost, and cause the great wasting of resources.
For solving above-mentioned situation, inventor devises a kind of apparatus for correcting of boiler water wall, and apparatus for correcting includes
Corrective component and correcting component.Wherein corrective component is located between the first water-cooling wall and the second water-cooling wall, correcting group
Part is located at the first water-cooling wall and the second water-cooling wall opposite sides, common to coordinate the method for using machinery correction to realize that correction has been deformed
Water-cooling wall.
Relative the first water-cooling wall and the second water-cooling wall are provided with boiler furnace, can be preceding water-cooling wall and rear water-cooling wall,
It may also be left water-cooling wall and right water-cooling wall.Specifically, it is connected with the first towing point, the second water-cooling wall and sets on the first water-cooling wall
There is the second towing point corresponding with the first towing point；Corrective component includes steel cable part and traction main part, and traction main part passes through steel cable
Part can apply tractive force to the first towing point and the second towing point respectively, while the jack in correcting component, is used for
Thrust is applied to the first water-cooling wall or the second water-cooling wall in the opposite sides of the first towing point and the second towing point.Led at this
Draw in the common process with promoting, the direction that the first water-cooling wall and the second water-cooling wall are drawn close to each other is slowly moved, gradually extensive
It is multiple smooth, boiler furnace is reached the overall dimensions that can normally use.The apparatus for correcting uses mechanical checkout by water to be corrected
Cold wall, which is reset into, can continue safe handling degree, and simple to be applicable, maintenance cycle is short, substantial amounts of to use manpower and material resources sparingly, with good
Economic benefits.
In an embodiment of the present embodiment：
Traction main part is chain block, and one end of traction main part is connected with steel cable part, and the other end is hung with weight；Traction component
For applying tractive force to the first towing point and the second towing point under the Action of Gravity Field of weight.
In an embodiment of the present embodiment：
First water-cooling wall to be corrected and the second water-cooling wall are used for the fortune for keeping drawing close to each other in the presence of tractive force
Dynamic trend.
In an embodiment of the present embodiment：
Correcting component includes support member, steel pipe fitting and the jack being sequentially connected along along preset direction；Support member with
First water-cooling wall or the second water-cooling wall are fixedly connected, and jack is used to apply along preset direction to the first water-cooling wall or the second water-cooling wall
Plus thrust.
In an embodiment of the present embodiment：
First water-cooling wall to be corrected is used to the first center line draw close and flush in the presence of thrust, and to be corrected the
Two water-cooling walls are used to draw close and flush to the second center line in the presence of thrust.
In an embodiment of the present embodiment：
Fin panel casing includes water screen tube and fin；First towing point is included on the fin on the first water-cooling wall
First weldering ear, the second towing point includes the second weldering ear on the fin on the second water-cooling wall.
A kind of antidote of boiler water wall, comprises the following steps：By the first water-cooling wall and the second water cooling to be corrected
Wall is cut open to discharge stress along the fin of the first center line and the second center line both sides with gas cutting respectively；The first water-cooling wall with
First towing point and the second towing point are set respectively on the fin of the second water-cooling wall；Main part is drawn by being connected to steel cable part
Apply tractive force to the first towing point and the second towing point；The tractive force of regulation traction main part causes the first water-cooling wall to be corrected
Draw close and flush and the second water-cooling wall to be corrected is drawn close and flushed to the second center line to the first center line, and examine correction
Water-cooling wall flatness afterwards.
In an embodiment of the present embodiment：
Before correction water-cooling wall, the strained buckstay dismounting in boiler furnace outer wall first will be around.
In an embodiment of the present embodiment：
Correcting component is set by the opposite sides in the first water-cooling wall and the second water-cooling wall；Jack is used for along pre-
Set direction applies thrust to the first water-cooling wall or the second water-cooling wall so that the first water-cooling wall to be corrected is drawn close to the first center line
And flush and the second water-cooling wall to be corrected is drawn close and flushed to the second center line.
In an embodiment of the present embodiment：
With channel-section steel to having corrected after the first water-cooling wall and the second water-cooling wall carry out reversible deformation reinforcing, then reinstall new
Buckstay makes water-cooling wall level levelling.
Embodiments of the invention have the advantages that：
A kind of apparatus for correcting for boiler water wall that embodiments of the invention are provided, including corrective component and correcting group
Part.Wherein corrective component is located between the first water-cooling wall and the second water-cooling wall, and correcting component is located at the first water-cooling wall and the
Two water-cooling wall opposite sides, it is common to coordinate the method corrected using machinery to realize the strained water-cooling wall of correction.Main part is drawn to lead to
Tractive force can be applied to the first towing point and the second towing point respectively by crossing steel cable part, while very heavy in correcting component
Top, for applying thrust to the first water-cooling wall or the second water-cooling wall in the opposite sides of the first towing point and the second towing point.
In common process of this traction with promotion, the direction that the first water-cooling wall is drawn close to each other with the second water-cooling wall is slowly moved
, gradually recover smooth, boiler furnace is reached the overall dimensions that can normally use.The apparatus for correcting will be treated using mechanical checkout
The water-cooling wall of correction, which is reset into, can continue safe handling degree, and simple to be applicable, maintenance cycle is short, substantial amounts of to use manpower and material resources sparingly,
With good economic benefits.
A kind of antidote for boiler water wall that embodiments of the invention are provided, rectifying based on above-mentioned boiler water wall
Equipment, with it is simple to operate, reliable, cost-effective the characteristics of.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be attached to what is used required in embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore is not construed as pair
The restriction of scope, for those of ordinary skill in the art, puts in do not pay creative work first, can also basis
These accompanying drawings obtain other related accompanying drawings.
Fig. 1 is the attachment structure schematic diagram of the corrective component in apparatus for correcting in the embodiment of the present invention；
Fig. 2 is the attachment structure schematic diagram of the correcting component in apparatus for correcting in the embodiment of the present invention；
Fig. 3 is structural representation of the correcting component under the first visual angle in the embodiment of the present invention；
Fig. 4 is structural representation of the correcting component under the second visual angle in the embodiment of the present invention.
Icon：100- apparatus for correcting；F- tractive force；T- thrusts；1- corrective components；The water-cooling walls of 101- first；In S1- first
Heart line；The towing points of 1011- first；1012- first welds ear；The water-cooling walls of 102- second；The center lines of S2- second；1021- second is drawn
Point；1022- second welds ear；103- steel cable parts；104- draws main part；2- correcting components；201- support members；202- steel pipes
Part；203- jack.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.The present invention implementation being generally described and illustrated herein in the accompanying drawings
The component of example can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiments of the invention below to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiment in the present invention, this area is common
Technical staff puts the every other embodiment that is obtained not making creative work first, belongs to what the present invention was protected
Scope.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in the accompanying drawing with second.
In the description of the invention, it is necessary to explanation, if occur term " instruction such as " center ", " vertical ", " level "
Orientation or position relationship are that, based on orientation shown in the drawings or position relationship, or the invention product is usually put when using
Orientation or position relationship, are for only for ease of the description present invention and simplify description, rather than indicate or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.This
Outside, if occur in description of the invention term " first ", " second ", etc. be only used for distinguish description, and it is not intended that indicate or
Imply relative importance.
If being not offered as requiring that part is absolute in addition, occurring the term such as term " level ", " vertical " in description of the invention
Level or pendency, but can be slightly tilted.As " level " only refers to its direction with respect to more level for " vertical ", not
It is to represent that the structure must be fully horizontal, but can be slightly tilted.
In the description of the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, if there is term
" setting ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or detachably connecting
Connect, or be integrally connected；Can be mechanical connection or electrical connection；Can be joined directly together, middle matchmaker can also be passed through
Jie is indirectly connected to, and can be the connection of two element internals.For the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
Embodiment
Fig. 1 is refer to, Fig. 1 shows a kind of specific knot of the apparatus for correcting 100 for boiler water wall that the present embodiment is provided
Structure, it includes corrective component 1 and correcting component 2, and wherein corrective component 1 is located at and is used as relative first for treating object of correction
Between the water-cooling wall 102 of water-cooling wall 101 and second, correcting component 2 is located at the first water-cooling wall 101 and the phase of the second water-cooling wall 102
To both sides, the technology that machinery correction is fitted through jointly reaches the purpose for fast and easily repairing flexural deformation water-cooling wall.
Corrective component 1 includes being connected with the first towing point on steel cable part 103 and traction main part 104, the first water-cooling wall 101
1011, the second water-cooling wall 102 is provided with and corresponding second towing point 1021 of the first towing point 1011；The two ends of steel cable part 103
The first towing point 1011 and the second towing point 1021 are connected to, and the middle part of steel cable part 103 is connected with traction main part 104.
Traction main part 104 is chain block, the centre of two water-cooling walls is located at by being connected suspension with steel cable part 103, preferably
Ground, the lifting capacity of chain block is 5T.The weight of Suitable weight, under the Action of Gravity Field of the weight, first are hung on chain block
The towing point 1021 of towing point 1011 and second can be simultaneously by tractive force F as illustrated by the arrows in fig. 1.Wherein, it is to be corrected
First water-cooling wall 101 is used to draw close and flush to the first center line S1 in the presence of tractive force F, the second water-cooling wall to be corrected
102 are used to the second center line S2 draw close and flush in the presence of tractive force F, in this distraction procedure, and on the whole first
The water-cooling wall 102 of water-cooling wall 101 and second is used to keep movement tendency that is relative and slowly adjusting in the presence of tractive force F,
To recover the size used safely of boiler furnace.
Fig. 2 is refer to, in order to optimize the effect of correction, apparatus for correcting 100 also includes correcting component 2, correcting
Component 2 coordinates the rectification work for realizing water-cooling wall with corrective component 1 jointly.Correcting component 2 is located at boiler furnace outer wall
In the opposing sidewalls of first water-cooling wall 101 and the second water-cooling wall 102, repaired for adjusting.
It refer to Fig. 3 and with reference to shown in Fig. 4, Fig. 3 shows the concrete structure of correcting component 2.
Correcting component 2 includes jack 203, steel pipe fitting 202 and support member 201, three along along preset direction successively
Connection, wherein mainly providing corrective force by jack 203.Preferably, jack 203 selects fluid pressure type.Correcting component 2 is
Two groups, be respectively arranged on the first water-cooling wall 101 and the opposite sides of the second water-cooling wall 102, specifically, located at the first towing point 1011 with
In the opposing sidewalls of second towing point 1021.The jack 203 of one of which is located at and the first towing point by support member 201
On 1011 relative side walls, at the same another group of jack 203 by support member 201 located at relative with the second towing point 1021
On the wall of side.Jack 203 is used to apply such as the arrow in Fig. 2 along preset direction to the first water-cooling wall 101 or the second water-cooling wall 102
Shown thrust T.
Wherein, the first water-cooling wall 101 to be corrected is used in the presence of thrust T draw close and neat to the first center line S1
Flat, the second water-cooling wall 102 to be corrected is used to draw close and flush to the second center line S2 in the presence of thrust T, is led at this
During drawing, the first water-cooling wall 101 or the second water-cooling wall 102, the thrust T of jack 203 and leading for chain block are directed to
The water-cooling wall of protrusion is stretched correction by gravitation F in the same direction jointly with regard to first towing point 1011 this point of application.Rectified at this
During just, because it is not nearly enough to stretch strained water-cooling wall to rely only on as the pulling force of the chain block of traction main part 104
, so the thrust T for being used to correct that jack 203 is provided is essential.
In the present embodiment, the first water-cooling wall 101 and the second water-cooling wall 102 can be burner hearth front and back preceding water-cooling wall with
Water-cooling wall, can also make the left water-cooling wall and right water-cooling wall of burner hearth left and right sides afterwards.First water-cooling wall 101 and the second water-cooling wall 102
It is fin panel casing, the overall tube panel being made up of water screen tube and the fin being welded to each other.First water-cooling wall 101 and second
Water-cooling wall 102 possesses along wall axially extending the first center line S1 and the second center line S2 respectively, in normal operating conditions
The axial centerline parallel of above-mentioned center line and boiler, water screen tube now is in vertical smooth state.As treating in Fig. 1 is rectified
Positive water-cooling wall, is because causing water-cooling wall to be in outwards spherical expansion deformation with burner hearth center in furnace explosion.
In the present embodiment, the first towing point 1011 includes the first weldering ear on the fin on the first water-cooling wall 101
1012, the second towing point 1021 includes the second weldering ear 1022 on the fin on the second water-cooling wall 102.Certainly, first lead
Draw a little 1011 and second towing point 1021 can also be other fixed connection structures.
It is made up of said structure, in the same direction under tractive force F and thrust T adjustment effect, to be corrected the
One water-cooling wall 101 is drawn close and flushed to the first center line S1, and the second water-cooling wall 102 to be corrected is drawn close simultaneously to the second center line S2
Flush.See on the whole, this traction with the common process that promotes, in spherical expansion deformation the first water-cooling wall 101 with
The direction that second water-cooling wall 102 is drawn close to each other is slowly moved, and gradually recovers smooth, and reaching boiler furnace can normally use
Overall dimensions.
In order to further enable those skilled in the art to be more clearly understood from the present embodiment, one kind also provided below
The antidote of boiler water wall, the specific implementation flow to this method is described in detail below.
Step S1：It is prepared work；First to water-cooling wall destruction situation check, its detection content include for
External diameter detection, wall thickness detection, surface inspection, metallographic detection and deflection detection of water-cooling wall etc., it is determined that water cooling to be corrected
Wall pipe；Build the scaffold of burner hearth.
Step S2：Reliable reinforcement is carried out to left and right side water wall；In left and right side water wall buckstay rear and front end point
Channel-section steel Yin Chu not be reinforced to be fixed on steelframe or rigid platfor with pistol plate.
Step S3：Be centered around the dismounting work of the strained buckstay of boiler furnace outer wall, to discharge stress.Will
The corner device bearing pin weld seam mill of buckstay to be removed is opened, and bearing pin is removed, buckstay to be removed is taken off with two ends corner device
From.The rigid beam end in rigid beam end to be removed and both sides is drawn temporarily using jack, makes jack stress；And utilize snap ring will
Two ends buckstay special hoisting hanger is finished in the connection of left and right sides steel wire rope of windlass.By boiler centerline buckstay fixing point
Fixation steel plate is cut open with fill plate weld seam, and will polish clean at its slot gap.From boiler center line to both sides successively by buckstay
Clamp pin is extracted out；Buckstay deflection is pressed, by light, deformation buckstay being removed successively again.
Step S4：Preparation terminates.By the first water-cooling wall 101 and the second water-cooling wall 102 to be corrected respectively along first
Center line S1 and the fin of the second center line S2 both sides are cut open to discharge stress with gas cutting；In the first water-cooling wall 101 and the second water
First towing point 1011 and the second towing point 1021 are set respectively on the fin of cold wall 102.
Step S5：Main part 104 is drawn by being connected to steel cable part 103 to the first towing point 1011 and the second towing point
1021 apply tractive force F, while jack 203 is used to apply along preset direction to the first water-cooling wall 101 or the second water-cooling wall 102
Thrust T；Adjust tractive force F with thrust T the first water-cooling wall 101 to be corrected is drawn close and is flushed to the first center line S1 and
Second water-cooling wall 102 to be corrected is drawn close and flushed to the second center line S2；And examine the water-cooling wall flatness after correction.
Step S6：Fin panel casing is just after leveling, with channel-section steel etc. to having corrected after the first water-cooling wall 101 and the second water cooling
Wall 102 carries out reversible deformation reinforcing, then reinstalls new buckstay and make water-cooling wall level levelling.
Step S7：Fin panel casing is adjusted again, can successively be worn from boiler center line to both sides using buckstay clamp pin
Enter.And ensure buckstay length direction center line, tube panel center line, boiler center line relative deviation in allowed band.
Step S8：Burner hearth overall dimensions are checked, adjustment is finished and can reinforced.
It can be formed by by above implementation steps a kind of simple in construction, rationally distributed, reliable and with low cost
Antidote.In practice, because the violent detonation of burner hearth can cause water-cooling wall gross distortion, this deformation belongs to by external force
Mechanically deform category.In the case where buckstay surrounding hinge point is not turned off, the preferable vertical deformation state of water screen tube
It is uniformly to successively decrease successively stress flexural deformation from detonation center, phenomenon is bent in the absence of local pressure.In this case, water cooling
Wall pipe crooked position does not produce Material degradation, only produces part and is plastically deformed.Because water-cooling wall overhung construction is fixed for upper end,
Lower end free wxpansion, so outwards spherical deformation causes water-cooling wall lower end to produce displacement upwards to detonation rear hearth, due to buckstay
Hinder it to deform, part energy spreads to boiler tail, alleviate impact of the blast to burner hearth.Buckstay produces plasticity and become
Shape, makes water-cooling wall flexural deformation, and after dismounting buckstay cuts open water-cooling wall fin, water-cooling wall discharges a part of bending stress, water
Cold wall is into state of plastic deformation, it is necessary to carry out mechanical return smoothing to it.
And inventor passes through theory analysis, detection and testing and verification and uses stress using machineries such as chain block, jack
The correcting technology of release, restructuring plus machinery, after all datas are collected, it was demonstrated that water cooling of the mechanical correcting technology to deformation
Boiler operating parameter is normal after the feasibility that wall pipe is repaired, correction.
In summary, the claim for eot and economic loss for solving directly to change water screen tube in the prior art and produce
The problems such as, inventor devises a kind of apparatus for correcting 100 of boiler water wall simple in construction, easy to operate and with low cost,
It can reach and effectively correct the purpose that strained water-cooling wall repairs it.Apparatus for correcting 100 includes corrective component 1 and auxiliary
Corrective component 2.Wherein corrective component 1 is located between the first water-cooling wall 101 and the second water-cooling wall 102, and correcting component 2 is located at
First water-cooling wall 101 and the opposite sides of the second water-cooling wall 102, it is common to coordinate the method corrected using machinery to realize that correction has been deformed
Water-cooling wall.Specifically, it is connected with the first towing point 1011 on the first water-cooling wall 101, the second water-cooling wall 102 is provided with and the
Corresponding second towing point 1021 of one towing point 1011；Corrective component 1 includes steel cable part 103 and traction main part 104, draws main part
104 can apply tractive force F to the first towing point 1011 and the second towing point 1021 respectively by steel cable part 103, aid in simultaneously
Jack 203 in corrective component 2, in the opposite sides of the first towing point 1011 and the second towing point 1021 to first
The water-cooling wall 102 of water-cooling wall 101 or second applies thrust T.In common process of this traction with promotion, the first water-cooling wall 101
The direction drawn close to each other with the second water-cooling wall 102 is slowly moved, and gradually recovers smooth, and reaching boiler furnace can normally make
Overall dimensions.The apparatus for correcting 100, which is reset into water-cooling wall to be corrected using mechanical checkout, can continue to use journey safely
Degree, simple to be applicable, maintenance cycle is short, substantial amounts of to use manpower and material resources sparingly, with good economic benefits.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of apparatus for correcting of boiler water wall, it is characterised in that：
The burner hearth of the boiler possesses relative the first water-cooling wall and the second water-cooling wall, first water-cooling wall and the second water-cooling wall
It is fin panel casing, possesses respectively along wall axially extending the first center line and the second center line；
The apparatus for correcting is included located at the corrective component between first water-cooling wall and second water-cooling wall；Described first
The first towing point is connected with water-cooling wall, second water-cooling wall is provided with the corresponding with first towing point second traction
Point；The corrective component includes steel cable part and traction main part；The two ends of the steel cable part are connected to first towing point
With second towing point, and the middle part of the steel cable part with it is described traction main part be connected；The traction main part is used for described
First towing point applies tractive force with second towing point；The apparatus for correcting also includes being located at first water-cooling wall and institute
State the correcting component of the second water-cooling wall opposite sides；
Wherein, first water-cooling wall to be corrected is used to draw close simultaneously to first center line in the presence of the tractive force
Flush, second water-cooling wall to be corrected is used in the presence of the tractive force draw close and neat to second center line
It is flat, to recover the size used safely of the boiler furnace.
2. the apparatus for correcting of boiler water wall according to claim 1, it is characterised in that：
The traction main part is chain block, and one end of the traction main part is connected with the steel cable part, and the other end is hung with weight；
It is described traction main part be used under the Action of Gravity Field of weight to first towing point and second towing point application described in lead
Gravitation.
3. the apparatus for correcting of boiler water wall according to claim 2, it is characterised in that：
First water-cooling wall to be corrected is used to keep to each other in the presence of the tractive force with second water-cooling wall
The movement tendency drawn close.
4. the apparatus for correcting of boiler water wall according to claim 1, it is characterised in that：
The correcting component includes support member, steel pipe fitting and the jack being sequentially connected along along preset direction；The support
Part is fixedly connected with first water-cooling wall or second water-cooling wall, and the jack is used for along the preset direction to described
First water-cooling wall or second water-cooling wall apply thrust.
5. the apparatus for correcting of boiler water wall according to claim 4, it is characterised in that：
First water-cooling wall to be corrected is used to draw close and flush to first center line in the presence of the thrust, treats
Second water-cooling wall of correction is used to draw close and flush to second center line in the presence of the thrust.
6. the apparatus for correcting of boiler water wall according to claim 1, it is characterised in that：
First water-cooling wall is constituted with second water-cooling wall by water screen tube with fin；First towing point includes
The first weldering ear on the fin on first water-cooling wall, second towing point is included on second water-cooling wall
Fin on second weldering ear.
7. a kind of antidote of boiler water wall, it is characterised in that comprise the following steps：
By the first water-cooling wall and the second water-cooling wall to be corrected respectively along the first center line and the fin of the second center line both sides
Cut open to discharge stress with gas cutting；
First towing point and the second towing point are set respectively on the fin of the first water-cooling wall and the second water-cooling wall；
Traction main part applies tractive force by being connected to steel cable part to the first towing point and the second towing point；
The tractive force of regulation traction main part causes the first water-cooling wall to be corrected to be drawn close to the first center line and flush and wait to rectify
The second positive water-cooling wall is drawn close and flushed to the second center line, and examines the water-cooling wall flatness after correction.
8. the antidote of boiler water wall according to claim 7, it is characterised in that：
Before correction water-cooling wall, the strained buckstay dismounting in boiler furnace outer wall first will be around.
9. the antidote of boiler water wall according to claim 7, it is characterised in that：
Correcting component is set by the opposite sides in the first water-cooling wall and the second water-cooling wall；Jack is used for along default side
Apply thrust to the first water-cooling wall or the second water-cooling wall so that the first water-cooling wall to be corrected is drawn close and neat to the first center line
Flat and the second water-cooling wall to be corrected is drawn close and flushed to the second center line.
10. the antidote of boiler water wall according to claim 9, it is characterised in that：
With channel-section steel to having corrected after the first water-cooling wall and the second water-cooling wall carry out reversible deformation reinforcing, then reinstall new rigidity
Beam makes water-cooling wall level levelling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710655102.0A CN107282699A (en) | 2017-08-03 | 2017-08-03 | The apparatus for correcting and method of a kind of boiler water wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710655102.0A CN107282699A (en) | 2017-08-03 | 2017-08-03 | The apparatus for correcting and method of a kind of boiler water wall |
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| CN107282699A true CN107282699A (en) | 2017-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710655102.0A Pending CN107282699A (en) | 2017-08-03 | 2017-08-03 | The apparatus for correcting and method of a kind of boiler water wall |
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| CN110044954A (en) * | 2018-01-17 | 2019-07-23 | 三菱日立电力系统株式会社 | Strain correction method, strain correction support system and the revision program of heat transfer face plate |
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| CN110044954A (en) * | 2018-01-17 | 2019-07-23 | 三菱日立电力系统株式会社 | Strain correction method, strain correction support system and the revision program of heat transfer face plate |
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Application publication date: 20171024 |