CN206222301U - The anti-blocking slag device of CFBB slag dropping tube - Google Patents
The anti-blocking slag device of CFBB slag dropping tube Download PDFInfo
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- CN206222301U CN206222301U CN201621302093.4U CN201621302093U CN206222301U CN 206222301 U CN206222301 U CN 206222301U CN 201621302093 U CN201621302093 U CN 201621302093U CN 206222301 U CN206222301 U CN 206222301U
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- slag
- dropping tube
- slag dropping
- cfbb
- blocking
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Abstract
A kind of anti-blocking slag device of CFBB slag dropping tube.In face of the frequently stifled slag of boiler slag dropping tube, in order to ensure the safe and stable operation of unit, manually can only be disclosed on cinder notch what slag dropping tube was reserved, a large amount of red slags will outwardly spray along the path for disclosing cinder notch, there is also and disclose slag personnel scald hidden danger.A kind of anti-blocking slag device of CFBB slag dropping tube, its composition includes：Slag dropping tube (1) and boiler fix girder steel (2), boiler is fixed girder steel and is connected with slag dropping tube and fixed target (3) respectively, fixed target is connected by bolt assembly with spring hanging beam (4), spring hanging beam is connected with suspension rod (5), one end of suspension rod is connected with hanger (6), hanger is arranged on the two ends of hanging (7), hanging and horizontal fixed support (8) welding, the vertical structure lower end of slag dropping tube is connected by bolt with flange (9), and clamping plate (10) is welded with the extrados of the vertical structure of slag dropping tube.The utility model is applied to CFBB slag dropping tube.
Description
Technical field：
The utility model is related to a kind of anti-blocking slag device of CFBB slag dropping tube.
Background technology：
In face of the frequently stifled slag of boiler slag dropping tube, in order to ensure the safe and stable operation of unit, can only manually in the slag that falls
Pipe is reserved to be disclosed on cinder notch, carries out disclosing slag operation using reinforcing bar, due to material bed operation under positive pressure in stove, once slag dropping tube blocks up slag portion
After position is by dredging, discloses slag personnel's dredge blockage scum pipe and cause dreg removing system periphery to carry out production strictly in line with rules and regulations environmental degradation, maintenance cost
While rising, a large amount of red slags will outwardly spray along the path for disclosing cinder notch, there is also and disclose slag personnel scald hidden danger.Adding
Upper working space is narrow and small, it is easy to operating personnel human safety issues occur.
The content of the invention：
The purpose of this utility model is to provide a kind of anti-blocking slag device of CFBB slag dropping tube.
Above-mentioned purpose is realized by following technical scheme：
A kind of anti-blocking slag device of CFBB slag dropping tube, its composition includes：Slag dropping tube and boiler fix girder steel, institute
The boiler stated is fixed girder steel and is connected with slag dropping tube and fixed target respectively, and described fixed target is hung by bolt assembly with spring
Beam is connected, and described spring hanging beam is connected with suspension rod, and one end of described suspension rod is connected with hanger, and described hanger is arranged on and hangs
The two ends of extension, described hanging and horizontal fixed support welding, the vertical structure lower end of described slag dropping tube passes through bolt and flange
Connection, is welded with clamping plate on the extrados of the vertical structure of described slag dropping tube, described clamping plate is two semicircular structure clamping plates.
The anti-blocking slag device of described CFBB slag dropping tube, is provided with locking device on described suspension rod, described
Locking device for regulation spring clamp force device.
The anti-blocking slag device of described CFBB slag dropping tube, described slag dropping tube overall diameter is 754mm.
The anti-blocking slag device of CFBB slag dropping tube, described scum pipe upper angled segment structure and level side
To angle be 65 °.
The beneficial effects of the utility model：
1. the utility model CFBB pitches structure design using crotch, and 4 are respectively arranged in burner hearth crotch fork both sides
Individual slag dropping tube, each slag dropping tube overall diameter is 754mm, and inside irrigates insulation material and the fire resisting amount of pouring, and latus rectum is in slag dropping tube
250mm.Manually slide valve is discharged into 8 rolling-cylinder type slag-coolers below combustion chamber to lime-ash, and slag cooler makes slag temperature exist
Slag cooler exit can reach less than 150 DEG C.In slag cooler outlet, lime-ash is collected by induction system.
The utility model has carried out gradient transformation to slag-drip opening in stove, increases the angle of inclination that scum pipe inclines pipeline section, comes
Prevent deslagging pipe plug slag.Original scum pipe upper angled section is now increased to 65 ° with horizontal direction angle by 40 °, is reached and is easy to
The purpose of deslagging during boiler operatiopn, former slag-drip opening 500mm flat segments have carried out the gradient and have poured, maximum perpendicular dropping distance
350mm, it is contemplated that decline it is more can the gradient segment length before original transformation be reduced more in proportion, taken median, and raw water
Flat section maximum drop-out value 350mm, forms the angle of gradient for 70 °.Intermediate angle junction seamlessly transits using without arching upward, integrated artistic
It is attractive in appearance；Slag-drip opening both sides step is carried out along the oblique cutting in root, covert to improve slag-drip opening entrance deslagging space.
The transformation of the increase deslagging gradient of 8 slag dropping tubes of the utility model boiler, can greatly reduce boiler slag dropping tube
Stifled slag number of times, it might even be possible to prevent the not smooth problem of the deslagging of CFBB, it is to avoid during disclosing slag, outside lime-ash
Leakage, improves the working environment of zero meter of boiler well.
Brief description of the drawings：
Accompanying drawing 1 is structural representation of the present utility model.
Specific embodiment：
Embodiment 1：
A kind of anti-blocking slag device of CFBB slag dropping tube, its composition includes：Slag dropping tube 1 and boiler fix girder steel 2,
Described boiler is fixed girder steel and is connected with slag dropping tube and fixed target 3 respectively, and described fixed target passes through bolt assembly and bullet
Spring hanging beam 4 is connected, and described spring hanging beam is connected with suspension rod 5, and one end of described suspension rod is connected with hanger 6, described hanger
Installed in the two ends of hanging 7, described hanging is welded with horizontal fixed support 8, and the vertical structure lower end of described slag dropping tube passes through
Bolt is connected with flange 9, and clamping plate 10 is welded with the extrados of the vertical structure of described slag dropping tube, and described clamping plate is two and half
Circular configuration clamping plate.
Embodiment 2：
The anti-blocking slag device of CFBB slag dropping tube according to embodiment 1, is provided with lock on described suspension rod
Tight device 11, described locking device is regulation spring clamp force device.
Embodiment 3：
The anti-blocking slag device of CFBB slag dropping tube according to embodiment 1 or 2, described slag dropping tube overall diameter
It is 754mm.
Embodiment 4：
The anti-blocking slag device of the CFBB slag dropping tube according to embodiment 1 or 2 or 3, described scum pipe top
The angle that segment structure is inclined with horizontal direction is 65 °.
Embodiment 5:
(1) scum pipe main body high-strength wearable refractory lining uses the construction method of vacuum gravity flow pouring, refractory lining surface
It is smooth, at utmost reduce the possibility of surface dross；On the premise of ensureing that refractory lining has high intensity and high-wearing feature,
The porosity inside refractory lining can also be significantly reduced, increases the consistency of refractory lining so that the anti-wear performance of refractory lining
Further improve.
The main process of vacuum gravity flow pouring：Mould is fixed in a vacuum chamber.The castable for mixing is poured into mould,
Vacuum chamber is closed, starts vavuum pump pumping, reach predetermined vacuum, then start vibration moulding.In rule in vibration processes
Continue to vacuumize in the fixed time, keep vacuum levels in vacuum chamber.
After vacuum gravity flow pouring terminates, conserved according to technological requirement, toasted.
The characteristics of vacuum casting process：One is the castable refractory using gravity flow function admirable so that casting process is smooth
Carry out.Two is that casting process is vacuumized, and accelerates the discharge of air in the castable refractory for mixing, and is reduced inside refractory lining
The porosity, effectively improve the consistency of refractory lining so that the anti-wear performance of refractory lining is further improved.Three is vacuum pouring work
Other physical and chemical performances of skill for castable refractory and the no harmful effect of use.
Scum pipe main body is divided into upper angled section, stage casing, lower vertical section（Every section is connected with form of flanges）, its decline slag
Pipe stage casing, lower vertical section, the making of metal part, high-strength wearable fire resisting and the cast of insulating lining and baking, metal part
The construction such as anti-corrosion can be completed in seller factory, then deliver to the guidance assembling of buyer production scene, complete new slag dropping tube and boiler furnace
Scum pipe, slag cooler connection.The stabilization of the construction quality of refractory lining can be so effectively ensured.
Scum pipe main body high-strength wearable refractory lining uses the construction method of gravity flow pouring, and refractory lining surface is smooth, most
The possibility of big degree reduction surface dross；On the premise of ensureing that refractory lining has high intensity and high-wearing feature, can be with
Increase the consistency of refractory lining so that the anti-wear performance of refractory lining is further improved.
Upper angled section, stage casing, the lower vertical section of scum pipe main body are smeared resistance to using flange connection between refractory lining
Fiery clay sealing, installation is convenient.
Slag dropping tube upper angled section and boiler body seal box connecting portion（It is boundary that flange is marked in scheming）, by construction party
In cast on-site and welding production, and the high-strength wearable fire resisting at caveat vendor guidance cast boiler body and seal box position
Lining.
Slag dropping tube upper angled section（With boiler body seal box connecting tube）Cylinder Φ 754 × 8, material is Q235-A hot rollings
Steel plate.One end of slag dropping tube is welded to connect with boiler seal box, and the other end is connected with stage casing using flange, entirety and horizontal sextant angle
It is 65 °.The light thermal-insulation material of lining processing a layer thickness 100mm, last formwork erection pours into a mould thickness 144mm gravity flow corundum castables
+ G, before lining processing, 4 Y225 bitch is uniformly welded by ring.During bend pipe lining processing, the full thickness gravity flow of end pipe mouthful cast is firm
Beautiful castable+G, i.e. thickness 244mm.When seal box position lining processing, the position bitch and heat-insulation layer are constructed, enter from bottom to top
Row progressively welding and heat-insulation layer construction, last formwork erection integrally vibrates and pours into a mould gravity flow corundum castable+steel fibre, it is ensured that in pipeline
Net Φ 250mm.
Connecting tube and seal box position, template carries out setting-out assembling in advance, and during model sheetinstallat, surrounding reinforces support, prevents
Pouring template displacement.When cannot be poured into a mould in slag-drip opening burner hearth, closed up using corundum-mullite corrosive-proof plastic material.Deslagging in stove
Mouth 500mm flat segments are carried out gradient transformation and are defined by on-site actual situations, are ensureing minimum wear-resisting, heat-insulation layer limiting value premise
Under, carry out ruling grade（70 ° of horizontal sextant angle）Transformation, while seal box should be expanded, design extends downwardly seal box
200mm.Estimated original slag-drip opening side flat segments end points vertically moves down 870mm.Branch pours sealing below connecting tube and bend part
Box pours material feeding, makes up the thinning loss of wear-resisting and heat-insulation layer that the castable gradient is caused.Install slag-drip opening elbow back crook
45o discloses cinder notch, discloses and installed outside cinder notch self-control blowout prevention slag device.
Cylindrical section Φ 754 × 8 in slag dropping tube, material is Q235-A hot rolled steel plates.Slag dropping tube stage casing one end and upper angled
Duan Caiyong flanges are connected, and the other end is connected with lower vertical section using flange, and angle is 155 °.Lining processing a layer thickness
The light thermal-insulation material of 100mm, last formwork erection cast thickness 144mm gravity flows corundum castable+G is equal by ring before lining processing
Cloth welds 4 Y225 bitch.During bend pipe lining processing, the full thickness gravity flow corundum castable+G of end pipe mouthful cast, i.e. thickness
244mm。
Slag dropping tube lower vertical cylindrical section Φ 426 × 10, material is Q235-A hot rolled steel plates.Wear-resistant pouring scum pipe straight tube
Intersegmental part castable thickness is 70mm（All abrasion-proof and refractory pouring layers）, straight length entire length 2500mm（Reserve bottom
The wear heat-resistant steel of 200mm materials 2520 is docked with three-dimensional expansion joint）, pipeline section internal diameter 266mm maintains slag dropping tube integraty.Solve
Slag dropping tube hull-skin temperature is too high, it is red to burn, snap fracture hidden danger.
Claims (4)
1. a kind of anti-blocking slag device of CFBB slag dropping tube, its composition includes：Slag dropping tube and boiler fix girder steel, and it is special
Levying is：Described boiler is fixed girder steel and is connected with slag dropping tube and fixed target respectively, and described fixed target passes through bolt assembly
It is connected with spring hanging beam, described spring hanging beam is connected with suspension rod, and one end of described suspension rod is connected with hanger, described hanger
Installed in the two ends of hanging, described hanging and horizontal fixed support welding, the vertical structure lower end of described slag dropping tube passes through spiral shell
Bolt is connected with flange, and clamping plate is welded with the extrados of the vertical structure of described slag dropping tube, and described clamping plate is two semicircles
Structure clamping plate.
2. the anti-blocking slag device of CFBB slag dropping tube according to claim 1, it is characterized in that：On described suspension rod
Locking device is provided with, described locking device is regulation spring clamp force device.
3. the anti-blocking slag device of CFBB slag dropping tube according to claim 1, it is characterized in that：Described slag dropping tube
Overall diameter is 754mm.
4. the anti-blocking slag device of CFBB slag dropping tube according to claim 3, it is characterized in that：On described slag dropping tube
It is 65 ° that portion inclines segment structure with the angle of horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621302093.4U CN206222301U (en) | 2016-11-30 | 2016-11-30 | The anti-blocking slag device of CFBB slag dropping tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621302093.4U CN206222301U (en) | 2016-11-30 | 2016-11-30 | The anti-blocking slag device of CFBB slag dropping tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206222301U true CN206222301U (en) | 2017-06-06 |
Family
ID=58787220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621302093.4U Expired - Fee Related CN206222301U (en) | 2016-11-30 | 2016-11-30 | The anti-blocking slag device of CFBB slag dropping tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206222301U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110748879A (en) * | 2019-11-19 | 2020-02-04 | 大唐鸡西第二热电有限公司 | Device for enhancing smooth slag discharging at inlet of slag discharging pipe of 300MW circulating fluidized bed boiler and installation method |
| CN117570449A (en) * | 2024-01-17 | 2024-02-20 | 大同富乔垃圾焚烧发电有限公司 | Slag outlet structure of incinerator |
-
2016
- 2016-11-30 CN CN201621302093.4U patent/CN206222301U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110748879A (en) * | 2019-11-19 | 2020-02-04 | 大唐鸡西第二热电有限公司 | Device for enhancing smooth slag discharging at inlet of slag discharging pipe of 300MW circulating fluidized bed boiler and installation method |
| CN117570449A (en) * | 2024-01-17 | 2024-02-20 | 大同富乔垃圾焚烧发电有限公司 | Slag outlet structure of incinerator |
| CN117570449B (en) * | 2024-01-17 | 2024-03-15 | 大同富乔垃圾焚烧发电有限公司 | Slag outlet structure of incinerator |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170606 Termination date: 20211130 |