CN205579552U - Be applied to protection welt of blunt body of pulverized coal burner nozzle bent plate - Google Patents
Be applied to protection welt of blunt body of pulverized coal burner nozzle bent plate Download PDFInfo
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- CN205579552U CN205579552U CN201620280409.8U CN201620280409U CN205579552U CN 205579552 U CN205579552 U CN 205579552U CN 201620280409 U CN201620280409 U CN 201620280409U CN 205579552 U CN205579552 U CN 205579552U
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- China
- Prior art keywords
- bent plate
- liner plate
- plate
- bluff body
- blunt body
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Abstract
The utility model belongs to the technical field of the blunt body group assembly part of thermal power combustor is used, specifically disclose a be applied to protection welt of blunt body of pulverized coal burner nozzle bent plate, including the blunt body of bent plate, and set up the L shape welt on the blunt body of bent plate, and set up respectively at the 2nd L of the blunt body both sides waist terminal surface of bent plate shape welt, L shape welt, the 2nd L shape welt are ceramic integrated into one piece respectively and make. The utility model discloses a be applied to protection welt of blunt body of pulverized coal burner nozzle bent plate's beneficial effect lies in: 1, reasonable and the ceramic lining plate of its project organization can be quick install on the inner wall of the blunt body of bent plate, dismantle simultaneously maintain convenient, only need with the set nut elasticity can, shorten down time, improve electricity generation work efficiency, 2, ceramic lining plate, wear -resisting, high temperature resistant, shock -resistant and long service life need not often to shut down and overhauls or change, guarantees normal work efficiency, reduces the production economic cost of enterprise simultaneously.
Description
Technical field
This utility model belongs to thermal power generation burner bluff body assembling fittings applied technical field, is specifically related to a kind of protection liner plate being applied to coal burner nozzle bent plate bluff body, and it is wear-resisting, high temperature resistant, length in service life and being easily installed and demolition and maintenance.
Background technology
Coal burner, refers to allow coal dust the most fully burn, and produces the equipment of high temperature eddy current, root
According to purposes, coal burner is divided into, rotary kiln special coal powder burner, steam coal powder burner, asphalt blending station special coal powder burner.Coal burner has the multistage air-supply guide frame of speaking out of turn of particular design, coal dust can be made to produce high temperature eddy current by rotary kiln special coal powder burner at short notice, have burning completely, heat utilization efficiency is high, smoke abatement and dust control, energy-efficient, improve working conditions, the advantage such as reduce labor intensity.
For obtaining good coal dust firing effect, the nozzle of the coal burner in thermal power plant is horn-like frequently with reamer form, i.e. nozzle shape, and its internal flow area gradually expands.A suite plate bluff body dividing plate generally it is fixed with in the middle part of coal burner, making coal dust spread apart makes it fully burn, but, air-flow conveying solid substance coal dust is generally used due to thermal power plant, the high velocity air of entrained solids coal dust is when flowing through nozzle, the coal dust channel medial wall of solid particle impingement coal burner makes its heavy wear, thus cause the bent plate bluff body in coal burner nozzle short for service life, typically require the bent plate bluff body changed in burner nozzle, cause the normal operation that maintenance of equipment cost is high, have a strong impact on thermal power plant.Find that pottery is a kind of good high-abrasive material by research; if being applied in coal burner can effectively prevent coal dust channel medial wall from wearing and tearing; wear-resisting, the impact resistance of the bent plate bluff body in raising burner nozzle; but the bent plate bluff body abrasion in existing burner nozzle is relatively big (being the bent plate bluff body without liner plate as shown in Figure 1, Figure 2); need often to carry out dismounting and change or maintenance; and inefficiency when causing maintenance shut-downs or assembling or change; and then the problem of the overall electricity generation system work efficiency of impact, and this is current urgently to be resolved hurrily.
Therefore, based on the problems referred to above, this utility model provides a kind of protection liner plate being applied to coal burner nozzle bent plate bluff body.
Utility model content
Utility model purpose: the purpose of this utility model is to provide a kind of protection liner plate being applied to coal burner nozzle bent plate bluff body; its design is rational in infrastructure and ceramic lining plate can quickly be arranged on bent plate bluff body inwall; demolition and maintenance are convenient simultaneously; only location nut tightness adjusting need to be shortened downtime, improves power generation operation efficiency.
Technical scheme: this utility model provides a kind of protection liner plate being applied to coal burner nozzle bent plate bluff body; including bent plate bluff body body; and the first L-shaped liner plate being arranged on bent plate bluff body body, and it is separately positioned on the second L-shaped liner plate of bent plate bluff body body both sides waist end face；It is one-body molded prepared that described first L-shaped liner plate, the second L-shaped liner plate are respectively pottery.
The technical program, described first L-shaped liner plate is set to several independent " L " shape structures or is set to overall structure L " shape structure；Described second L-shaped liner plate is set to overall structure L " shape structure.
The technical program, the protection liner plate of described bent plate bluff body, also include the hole, location being used in combination with bent plate bluff body body connecting hole being separately positioned on the first L-shaped liner plate, the second L-shaped liner plate.
The technical program, described first L-shaped liner plate, the width d respectively of the second L-shaped liner plate are 14mm-24mm, and thickness δ is 5mm-15mm, and length L is 47mm-57mm.
The technical program, the end face joint face width between described first L-shaped liner plate, the second L-shaped liner plate and bent plate bluff body body is respectively greater than the end face width of bent plate bluff body body.
Compared with prior art; having the beneficial effects that of a kind of protection liner plate being applied to coal burner nozzle bent plate bluff body of the present utility model: 1, its design is rational in infrastructure and ceramic lining plate can quickly be arranged on the inwall of bent plate bluff body body; demolition and maintenance are convenient simultaneously; only location nut tightness adjusting need to be shortened downtime, improves power generation operation efficiency；2, ceramic lining plate, wear-resisting, high temperature resistant, impact resistance and service life are long, it is not necessary to often maintenance down or replacing, it is ensured that normal work efficiency, reduce enterprise's production economy cost simultaneously.
Accompanying drawing explanation
Fig. 1 and Fig. 2 is the schematic diagram without lining plate structure of the coal burner nozzle bent plate bluff body of existing structure；
Fig. 3 is the plan structure schematic diagram of a kind of protection liner plate being applied to coal burner nozzle bent plate bluff body of the present utility model；
Fig. 4 is the main TV structure schematic diagram of a kind of protection liner plate being applied to coal burner nozzle bent plate bluff body of the present utility model；
Fig. 5, Fig. 6 are a kind of protection the A-A face of liner plate, B-B face sectional structure schematic diagrams being applied to coal burner nozzle bent plate bluff body of the present utility model；
Wherein, in figure, sequence number mark is as follows: 1-bent plate bluff body body, 2-the first L-shaped liner plate, 3-the second L-shaped liner plate, 4-position hole.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment, it is further elucidated with this utility model.
Embodiment one
A kind of protection liner plate being applied to coal burner nozzle bent plate bluff body as shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6; including bent plate bluff body body 1; and the first L-shaped liner plate 2 being arranged on bent plate bluff body body 1, and it is separately positioned on the second L-shaped liner plate 3 of bent plate bluff body body 1 both sides waist end face；It is one-body molded prepared that first L-shaped liner plate the 2, second L-shaped liner plate 3 is respectively pottery.
It is further preferred that the first L-shaped liner plate 2 be set to several individually " L " shape structures or be set to overall structure L " shape structure, and the second L-shaped liner plate 3 is set to overall structure L " shape structure, and
The protection liner plate of bent plate bluff body; also include the hole, location 4 being used in combination with bent plate bluff body body 1 connecting hole being separately positioned on first L-shaped liner plate the 2, second L-shaped liner plate 3; the liner plate of said structure, it is installed, demolition and maintenance are convenient and ensures assembling fastening, without coming off；And first the width d respectively of L-shaped liner plate the 2, second L-shaped liner plate 3 be 14mm-24mm; thickness δ is 5mm-15mm; length L is 47mm-57mm; said structure is several individually " L-shaped " protection board structures, and the effective coal burner nozzle bent plate bluff body that improves protects the scope of application of liner plate, practicality to be expanded；And the end face joint face width that first between L-shaped liner plate the 2, second L-shaped liner plate 3 and bent plate bluff body body 1 is respectively greater than the end face width of bent plate bluff body body 1; effectively bent plate bluff body body 1 can be formed protection; and then extend the service life of bent plate bluff body body 1; without frequent maintenance down or replacing, improve power generation operation efficiency.
Embodiment two
A kind of protection liner plate being applied to coal burner nozzle bent plate bluff body as shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6; including bent plate bluff body body 1; and the first L-shaped liner plate 2 being arranged on bent plate bluff body body 1, and it is separately positioned on the second L-shaped liner plate 3 of bent plate bluff body body 1 both sides waist end face；It is one-body molded prepared that first L-shaped liner plate the 2, second L-shaped liner plate 3 is respectively pottery.
It is further preferred that the first L-shaped liner plate 2 be set to several individually " L " shape structures or be set to overall structure L " shape structure, and the second L-shaped liner plate 3 is set to overall structure L " shape structure, and
The protection liner plate of bent plate bluff body; also include the hole, location 4 being used in combination with bent plate bluff body body 1 connecting hole being separately positioned on first L-shaped liner plate the 2, second L-shaped liner plate 3; the liner plate of said structure, it is installed, demolition and maintenance are convenient and ensures assembling fastening, without coming off；And first the width d respectively of L-shaped liner plate the 2, second L-shaped liner plate 3 be 19mm; thickness δ is 10mm; length L is 52mm, and said structure is several individually " L-shaped " protection board structures, and the effective coal burner nozzle bent plate bluff body that improves protects the scope of application of liner plate, practicality to be expanded；And the end face joint face width that first between L-shaped liner plate the 2, second L-shaped liner plate 3 and bent plate bluff body body 1 is respectively greater than the end face width of bent plate bluff body body 1; effectively bent plate bluff body body 1 can be formed protection; and then extend the service life of bent plate bluff body body 1; without frequent maintenance down or replacing, improve power generation operation efficiency.
The above is only preferred implementation of the present utility model; it should be pointed out that, for those skilled in the art, on the premise of without departing from this utility model principle; can also make some improvement, these improvement also should be regarded as protection domain of the present utility model.
Claims (5)
1. the protection liner plate being applied to coal burner nozzle bent plate bluff body; it is characterized in that: include bent plate bluff body body (1); and the first L-shaped liner plate (2) being arranged on bent plate bluff body body (1), and it is separately positioned on the second L-shaped liner plate (3) of bent plate bluff body body (1) both sides waist end face；It is one-body molded prepared that described first L-shaped liner plate (2), the second L-shaped liner plate (3) are respectively pottery.
A kind of protection liner plate being applied to coal burner nozzle bent plate bluff body the most according to claim 1, it is characterised in that: described first L-shaped liner plate (2) is set to several independent " L " shape structures or is set to overall structure L " shape structure；Described second L-shaped liner plate (3) is set to overall structure L " shape structure.
A kind of protection liner plate being applied to coal burner nozzle bent plate bluff body the most according to claim 1 and 2; it is characterized in that: the protection liner plate of described bent plate bluff body, also include the hole, location (4) being used in combination with bent plate bluff body body (1) connecting hole being separately positioned on the first L-shaped liner plate (2), the second L-shaped liner plate (3).
A kind of protection liner plate being applied to coal burner nozzle bent plate bluff body the most according to claim 1; it is characterized in that: described first L-shaped liner plate (2), the width d respectively of the second L-shaped liner plate (3) are 14mm-24mm; thickness δ is 5mm-15mm, and length L is 47mm-57mm.
A kind of protection liner plate being applied to coal burner nozzle bent plate bluff body the most according to claim 1, it is characterised in that: described first L-shaped liner plate (2), end face joint face width between the second L-shaped liner plate (3) and bent plate bluff body body (1) are respectively greater than the end face width of bent plate bluff body body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620280409.8U CN205579552U (en) | 2016-04-07 | 2016-04-07 | Be applied to protection welt of blunt body of pulverized coal burner nozzle bent plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620280409.8U CN205579552U (en) | 2016-04-07 | 2016-04-07 | Be applied to protection welt of blunt body of pulverized coal burner nozzle bent plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205579552U true CN205579552U (en) | 2016-09-14 |
Family
ID=56864288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620280409.8U Expired - Fee Related CN205579552U (en) | 2016-04-07 | 2016-04-07 | Be applied to protection welt of blunt body of pulverized coal burner nozzle bent plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205579552U (en) |
-
2016
- 2016-04-07 CN CN201620280409.8U patent/CN205579552U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xu Riqing Inventor before: Fan Youcun |
|
| CB03 | Change of inventor or designer information | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160914 Termination date: 20210407 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |