CN109140472A - A kind of dry bottom hopper inspection platform - Google Patents
A kind of dry bottom hopper inspection platform Download PDFInfo
- Publication number
- CN109140472A CN109140472A CN201811298094.XA CN201811298094A CN109140472A CN 109140472 A CN109140472 A CN 109140472A CN 201811298094 A CN201811298094 A CN 201811298094A CN 109140472 A CN109140472 A CN 109140472A
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- China
- Prior art keywords
- plate
- platform
- dry
- inspection platform
- upper brace
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007689 inspection Methods 0.000 title claims abstract description 31
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 11
- 239000010959 steel Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J1/00—Removing ash, clinker, or slag from combustion chambers
-
- 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
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/15—Scaffolds primarily resting on the ground essentially comprising special means for supporting or forming platforms; Platforms
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Gasification And Melting Of Waste (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The present invention provides a kind of dry bottom hopper inspection platform, including the bottom platform being detachably connected and upper brace；The bottom platform includes the bottom plate for being erected on the oral area of dry bottom hopper, the two sides of the bottom plate are symmetrically hinged, and there are two side plates, the top of the side plate uniformly offers several fixation holes along the length direction of bottom plate, is plugged with connecting column between two fixation holes of correspondence of two side plates；The upper brace includes top plate, the two sides of the top plate are symmetrically hinged, and there are two vertical plates, the vertical plate is offered in the end far from top plate and is inserted into for connecting column to fix the connecting hole of bottom platform and upper brace, and the present invention can greatly shorten the assembly and disassembly period of inspection platform.
Description
Technical field
The present invention relates to power plant's dry bottom hopper service technique fields, and in particular to a kind of dry bottom hopper inspection platform.
Background technique
Dry bottom hopper refers to the bucket that Pulverized Coal fired Boiler Furnace lower part is made of water-cooling wall with certain inclination angle (generally 50 °~55 °)
Shape (wide at the top and narrow at the bottom) bottom construction.Mainly to cool down and collect lime-ash, it is discharged in solid-state.For boiler with dry bottom furnace
Combustion chamber is curved inwardly by front-back wall water-cooling wall lower part and forms dry bottom hopper.It acts on mainly aggregation, cooling and is automatically drained out ash
Slag, and convenient for lower collecting box with the connection and sealing of lime-ash well.
The prior art has many defects using traditional scaffold building dry bottom hopper inspection platform, this kind of platform:
1. it is considerably long to set up the period, entire 15 people of disassembly process, which needs 10 days, or more to complete；
2. foot hand material is mostly steel pipe and consumption is excessive, entire putting up platform needs the steel pipe of 38t weight or more, and steel pipe is buckled
Part then needs at least 3t, and its that period is recycled is very short: steel pipe access times can excessively occur bending and deformation, influence intensity and
The stability of inspection platform, steel tube fastener are easy to appear fixed not tight situation, even result in inspection platform after reusing
It collapses, there are many security risk；
3. the length of steel pipe needed is different, storage installation is all very inconvenient, increases use cost；
4. the dismounting period is long, entire maintenance process control is influenced.
And the maintenance of boiler will inherently race against time, existing inspection platform sets up dismounting overlong time, this just makes whole
A time turn(a)round can not shorten, and seriously reduce the operational efficiency of boiler, so that the repair time of boiler can not be flexible
Arrangement, therefore urgently improve.
Summary of the invention
In order to solve the above technical problems, can be greatly shortened the purpose of the present invention is to provide a kind of dry bottom hopper inspection platform
The assembly and disassembly period of inspection platform.
To achieve the above object, a kind of dry bottom hopper inspection platform of the present invention, including the bottom platform that is detachably connected and
Upper brace；The bottom platform includes the bottom plate for being erected on the oral area of dry bottom hopper, and the two sides of the bottom plate are symmetrically cut with scissors
Side plate there are two connecing, the top of the side plate uniformly offers several fixation holes, two side plates along the length direction of bottom plate
Two fixation holes of correspondence between be plugged with connecting column；The upper brace includes top plate, and the two sides of the top plate are symmetrically hinged
There are two vertical plate, the vertical plate is offered in the end far from top plate and is inserted into for connecting column to fix bottom platform and upper brace
Connecting hole.
Preferably, the bottom of the bottom plate is equipped with the limit sole piece of the hard-over of limitation side plate, the top in its two sides
The bottom of plate is equipped with the limit jacking block of the hard-over of limitation vertical plate in its two sides.
Preferably, the both ends of the connecting column are equipped with outer silk, and the connecting column is arranged in the part for extending fixation hole
There is wedge block, the outer silk is threaded with the fastening nut for compressing wedge block.
Preferably, the side plate is equipped with the support plate for carrying vertical plate in the lower section of fixation hole.
Preferably, the support plate is equipped with the chock for positioning vertical plate.
A kind of dry bottom hopper inspection platform, including the bottom platform being detachably connected and upper brace；The bottom platform packet
The bottom plate of the oral area for being erected on dry bottom hopper is included, the two sides of the bottom plate are symmetrically hinged, and there are two side plates；The upper flat
Platform includes the support frame of several inverted trapezoidals, and several support frames are uniformly arranged along the length direction of bottom plate, the support frame
Middle part is equipped at least two root posts along short transverse；The bottom platform is additionally provided with the positioning device for positioning support frame.
Preferably, the positioning device includes being set to the inner wall of side plate for carrying and the positioning of positioning support frame
Plate.
Preferably, the positioning device includes the end plate for being set to the end of side plate for the end face of positioning support frame.
Compared with prior art, the present invention the beneficial effect is that:
1. setting up, the period is very short, and whole installation process skilled worker 8 hours achievable, and disassembly platform only needs 6 hours；
2. being not necessarily to steel pipe and fastener, the recycling period is very long, and stability and safety are more preferable；
3. it is lower to store installation cost；
4. saving of work and time is conducive to shorten the time between overhauls(TBO), improves the operational efficiency of boiler.
Detailed description of the invention
Fig. 1 is a kind of front view of dry bottom hopper inspection platform embodiment one of the present invention；
Fig. 2 is a kind of three dimensional structure diagram of dry bottom hopper inspection platform embodiment one of the present invention；
Fig. 3 is the isostructural schematic diagram of wedge block in a kind of dry bottom hopper inspection platform embodiment one of the present invention；
Fig. 4 is a kind of three dimensional structure diagram of dry bottom hopper inspection platform embodiment two of the present invention.
Specific embodiment
By the technology contents that the present invention will be described in detail, construction feature, reached purpose and efficacy, hereby enumerates embodiment below
And attached drawing is cooperated to be explained in detail.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the present invention
The limitation of range.
Embodiment one:
As shown in Figure 1-Figure 3, the present invention provides a kind of dry bottom hopper inspection platform, including the bottom platform 1 being detachably connected
With upper brace 2；The bottom platform 1 includes the bottom plate 3 for being erected on the oral area of dry bottom hopper, the two sides pair of the bottom plate 3
Claim ground hingedly there are two side plate 4, the top of the side plate 4 uniformly offers several fixation holes along the length direction of bottom plate 3, and two
Connecting column 5 is plugged between two fixation holes of correspondence of the side plate 4；The upper brace 2 include top plate 6, the two of the top plate 6
Side is symmetrically hinged there are two vertical plate 7, and the vertical plate 7 is offered in the end far from top plate 6 and is inserted into for connecting column 5 to fix bottom
The connecting hole of portion's platform 1 and upper brace 2.
By using above-mentioned technical proposal, when building this inspection platform, first with hoist engine (it is small-sized that 0.5t can be used) by group
The bottom plate 3 installed and two side plates 4 are hoisted to the oral area of dry bottom hopper from manhole door, gradually decrease height until bottom plate 3 is stuck in
The top of oral area, removing suspension hook from side plate 4 opens side plate 4 freely under self weight to be bonded with the inner wall of dry bottom hopper；
Then the top plate 6 being completed and two vertical plates 7 are hoisted to hoist engine the top of side plate 4, then reduced high
The correspondence fixation hole until each connecting hole alignment side plate 4 of vertical plate 7 is spent, it is corresponding solid through every group to be inserted into connecting column 5
Determine hole and connecting hole, realizes being connected and fixed for bottom platform 1 and upper brace 2；
Backward above-mentioned steps when removing this inspection platform；
Bottom platform 1 and the optional aluminium alloy of the material of upper brace 2 or steel or glass reinforced plastic or carbon fiber etc., connecting column 5
Shape is optional rectangular round or special-shaped etc., for the dry bottom hopper of 12 meters of 18 meters of width, 36 meters of length of height, the number of connecting column 5
20 are preferably used, it can be according to the number and length of practical dry bottom hopper size adjusting connecting column 5；
The present invention is overhauled for the dry bottom hopper of small-sized (30W and following) and medium-sized (circulating fluidized bed boiler CFB), with such as
It is lower the utility model has the advantages that
(1) it is very short to set up the period, achievable in entire disassembly process 6 hours；
(2) it is not necessarily to steel pipe and fastener, the recycling period is very long, and stability and safety are more preferable；
(3) storage installation cost is lower；
(4) saving of work and time is conducive to shorten the time between overhauls(TBO), improves the operational efficiency of boiler.
Particularly, for 30W or so dry bottom hopper overhaul, can not mounting base 3 and side plate 4, directly by 2 frame of upper brace
On several connecting columns 5；Part CFB boiler dry bottom hopper is overhauled, it can direct construction upper brace 2.
Preferably, the bottom of the bottom plate 3 is equipped with the limit sole piece of the hard-over of limitation side plate 4 in its two sides, described
The bottom of top plate 6 is equipped with the limit jacking block of the hard-over of limitation vertical plate 7 in its two sides.
By using above-mentioned technical proposal, it can prevent side plate 4 and vertical plate 7 in handling from crossing then causing accident, safety
Performance is higher.
Preferably, the both ends of the connecting column 5 are equipped with outer silk, and the connecting column 5 is covered in the part for extending fixation hole
Equipped with wedge block 8, the outer silk is threaded with the fastening nut 9 for compressing wedge block 8.
By using above-mentioned technical proposal, connecting column 5 is after every group of corresponding fixation hole and connecting hole, exposed parts
It is first arranged wedge block 8, wedge block 8 can make the inclined-plane of wedge block 8 and side plate 4 using the material with certain deformability
Outside wall surface is coincide, and the facade of wedge block 8 keeps vertical, then screws fastening nut 9, is compressed wedge block 8, be may be implemented in this way
Firm fixation to connecting column 5 is beneficial to prevent between bottom platform 1 and upper brace 2 and loosens.
Preferably, the side plate 4 is equipped with the support plate 10 for carrying vertical plate 7 in the lower section of fixation hole.
By using above-mentioned technical proposal, it is ensured that the stability of vertical plate 7 prevents vertical plate 7 need not with respect to the generation of side plate 4
The sliding wanted.
Preferably, the support plate 10 is equipped with the chock 11 for positioning vertical plate 7.
By using above-mentioned technical proposal, the inclined-plane of chock 11 and the inner wall of side plate 4 coincide, and the facade of chock 11 is kept
Vertically, for positioning vertical plate 7, guarantee that vertical plate 7 is in a vertical state always, advantageously ensure that stability.
Embodiment two:
As shown in figure 4, the present invention provides a kind of dry bottom hopper inspection platform, including the bottom platform 1 ' that is detachably connected and upper
Portion's platform 2 '；The bottom platform 1 ' includes the bottom plate 3 ' for being erected on the oral area of dry bottom hopper, the two sides pair of the bottom plate 3 '
Claiming ground, hingedly there are two side plates 4 '；The upper brace 2 ' includes the support frame 12 of several inverted trapezoidals, several support frames 12
Length direction along bottom plate 3 ' is uniformly arranged, and the middle part of the support frame 12 is equipped at least two root posts 13 along short transverse；Institute
It states bottom platform 1 ' and is additionally provided with positioning device for positioning support frame 12.
By using above-mentioned technical proposal, when building this inspection platform, first with hoist engine (it is small-sized that 0.5t can be used) by group
The bottom plate 3 ' installed and two side plates 4 ' are hoisted to the oral area of dry bottom hopper from manhole door, gradually decrease height until bottom plate 3 ' blocks
In the top of oral area, removing suspension hook from side plate 4 ' opens side plate 4 ' freely under self weight to be bonded with the inner wall of dry bottom hopper；
Then the support frame 12 (with column 13) being completed is hoisted to the top of side plate 4 ' one by one with hoist engine, then
Height is reduced until the bottom of support frame 12 is contacted with the end of side plate 4 ', suspension hook, support frame are then removed from support frame 12
12 side wall and the side wall of dry bottom hopper coincide, and realize the connection of bottom platform 1 ' and upper brace 2 ', are finally determined by positioning device
Position is fixed；
Backward above-mentioned steps when removing this inspection platform；
The optional aluminium alloy of material or steel or glass reinforced plastic or carbon fiber etc. of bottom platform 1 ' and upper brace 2 ', connecting column
Shape is optional rectangular round or special-shaped etc., can be according to the number and length of practical dry bottom hopper size adjusting support frame 12；
The present invention is used for the dry bottom hopper maintenance of large-scale (60W or more), has the following beneficial effects:
(1) it is very short to set up the period, achievable in entire disassembly process 6 hours；
(2) it is not necessarily to steel pipe and fastener, the recycling period is very long, and stability and safety are more preferable；
(3) storage installation cost is lower；
(4) saving of work and time is conducive to shorten the time between overhauls(TBO), improves the operational efficiency of boiler.
Preferably, the positioning device includes being set to the inner wall of side plate 4 ' to be used to carry and determine with positioning support frame 12
Position plate.
By using above-mentioned technical proposal, it is ensured that the stability of support frame 12 prevents vertical plate from occurring with respect to side plate 4 '
Unnecessary sliding.
Preferably, the end that the positioning device is used for the end face of positioning support frame 12 including being set to the end of side plate 4 '
Plate.
By using above-mentioned technical proposal, end plate is used to position first support frame 12 of lifting, subsequent support after positioning
Frame 12 abuts can position one by one, can be fastened using modes such as bolt or buckles between two neighboring support frame 12.
In addition to using above two embodiment, hollow tubular structures are also can be used in connecting column 5, and at the top of tubular structure
Integrate be used to support the first support plate of upper brace 2, in the integral middle integrated positioning plate of tubular structure, in tubulose knot
The bottom of structure integrates the second support plate, and upper brace 2 can be directly set up in the first support plate.
In conclusion only the preferred embodiments of the invention, is not limited the scope of protection of the present invention with this, it is all according to the present invention
Equivalent changes and modifications made by the scope of the patents and description are all within the scope of the invention patent covers.
Claims (8)
1. a kind of dry bottom hopper inspection platform, it is characterised in that: including the bottom platform being detachably connected and upper brace；The bottom
Portion's platform includes the bottom plate for being erected on the oral area of dry bottom hopper, and the two sides of the bottom plate are symmetrically hinged, and there are two side plate, institutes
The top for stating side plate uniformly offers several fixation holes, two fixation holes of correspondence of two side plates along the length direction of bottom plate
Between be plugged with connecting column；The upper brace includes top plate, and the two sides of the top plate are symmetrically hinged, and there are two vertical plates, described vertical
Plate is offered in the end far from top plate and is inserted into for connecting column to fix the connecting hole of bottom platform and upper brace.
2. a kind of dry bottom hopper inspection platform according to claim 1, it is characterised in that: the bottom of the bottom plate is in its two sides
The bottom of the limit sole piece of hard-over equipped with limitation side plate, the top plate is equipped with the hard-over of limitation vertical plate in its two sides
Limit jacking block.
3. a kind of dry bottom hopper inspection platform according to claim 2, it is characterised in that: the both ends of the connecting column are equipped with
Outer silk, the connecting column are arranged with wedge block in the part for extending fixation hole, and the outer silk is threaded with compression wedge block
Fastening nut.
4. a kind of dry bottom hopper inspection platform according to claim 3, it is characterised in that: the side plate is in the lower section of fixation hole
Equipped with the support plate for carrying vertical plate.
5. a kind of dry bottom hopper inspection platform according to claim 4, it is characterised in that: the support plate is equipped with for positioning
The chock of vertical plate.
6. a kind of dry bottom hopper inspection platform, it is characterised in that: including the bottom platform being detachably connected and upper brace；The bottom
Portion's platform includes the bottom plate for being erected on the oral area of dry bottom hopper, and the two sides of the bottom plate are symmetrically hinged, and there are two side plates；Institute
The support frame that upper brace includes several inverted trapezoidals is stated, several support frames are uniformly arranged along the length direction of bottom plate, described
The middle part of support frame is equipped at least two root posts along short transverse；The bottom platform is additionally provided with the positioning for positioning support frame
Device.
7. a kind of dry bottom hopper inspection platform according to claim 6, it is characterised in that: the positioning device includes being set to
The inner wall of side plate is for carrying and the positioning plate of positioning support frame.
8. a kind of dry bottom hopper inspection platform according to claim 7, it is characterised in that: the positioning device includes being set to
End plate of the end of side plate for the end face of positioning support frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811298094.XA CN109140472B (en) | 2018-11-02 | 2018-11-02 | Cold ash bucket overhauls platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811298094.XA CN109140472B (en) | 2018-11-02 | 2018-11-02 | Cold ash bucket overhauls platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109140472A true CN109140472A (en) | 2019-01-04 |
| CN109140472B CN109140472B (en) | 2024-05-31 |
Family
ID=64807319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811298094.XA Active CN109140472B (en) | 2018-11-02 | 2018-11-02 | Cold ash bucket overhauls platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109140472B (en) |
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|---|---|---|---|---|
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| CN202660575U (en) * | 2012-04-27 | 2013-01-09 | 浙江双峰锅炉制造有限公司 | Automatic ash discharge device for hearth of water-coal-slurry combusting boiler |
| CN202902311U (en) * | 2012-10-25 | 2013-04-24 | 内蒙古大唐国际托克托发电有限责任公司 | Thermal power plant deslagging system with communicating pipes |
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| CN204835319U (en) * | 2015-08-11 | 2015-12-02 | 国网山东巨野县供电公司 | Platform is overhauld to substation equipment fortune dimension |
| CN108560510A (en) * | 2018-07-13 | 2018-09-21 | 江苏龙安电力设备有限公司 | Surface low road movable overhaul platform in a kind of power station |
| CN209147117U (en) * | 2018-11-02 | 2019-07-23 | 江苏龙安电力设备有限公司 | A kind of dry bottom hopper inspection platform |
-
2018
- 2018-11-02 CN CN201811298094.XA patent/CN109140472B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980022187U (en) * | 1996-10-25 | 1998-07-15 | 최두영 | Ladder installation structure for bridge maintenance |
| JP2000205527A (en) * | 1999-01-18 | 2000-07-25 | Hitachi Zosen Corp | Method for supplying ash to burner type ash melting furnace and burner type ash melting facility |
| JP2006329619A (en) * | 2006-06-09 | 2006-12-07 | Hitachi Zosen Corp | Ash supply method to burner type ash fusion furnace, and burner type ash fusion facility |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109140472B (en) | 2024-05-31 |
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