CN203147778U - Furnace bottom baffle and sealing connecting device - Google Patents
Furnace bottom baffle and sealing connecting device Download PDFInfo
- Publication number
- CN203147778U CN203147778U CN 201320067585 CN201320067585U CN203147778U CN 203147778 U CN203147778 U CN 203147778U CN 201320067585 CN201320067585 CN 201320067585 CN 201320067585 U CN201320067585 U CN 201320067585U CN 203147778 U CN203147778 U CN 203147778U
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- Prior art keywords
- plate
- baffle plate
- water
- sealing
- furnace bottom
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Abstract
The utility model provides a furnace bottom baffle and a sealing connecting device. The furnace bottom baffle and the sealing connecting device comprise a plate pulling mechanism preinstalled on a water cooling wall lower collecting box. A reinforcing plate and the baffle are both connected with the plate pulling mechanism, the reinforcing plate is connected with the baffle in a welding mode, and the baffle is provided with a connecting plate connected with a sealing piece or a water-sealing inserting plate matched with a water-sealing tank. The furnace bottom baffle and the sealing connecting device overcome the defects in the prior art, are suitable for a furnace which is provided with the water cooling wall lower collecting box arranged at the bottom end of a water cooling wall and is free of furnace bottom pipe rows, can be connected with the water cooling wall lower collecting box and is convenient to install, safe and reliable.
Description
Technical field
The utility model relates to a kind of furnace bottom baffle plate and sealing and connecting device, belongs to pulverized-coal fired boiler slagging-off technical field.
Background technology
In the pulverized-coal fired boiler field, the removing of slag is an important link, is one of necessary condition that guarantees boiler safety, economy, stable operation.When boiler operatiopn, high temperature furnace slag enters the slag removal equipment from slag bucket through the boiler furnace hopper.Between the furnace hopper and transition slag well of boiler, need reasonable, reliable water-tight equipment, the control slag leaks, and reduces furnace bottom and leak out.Simultaneously, need design unique retaining device at the boiler furnace bottom, to prevent that high temperature furnace slag causes damage to sealing device in the boiler slag removal process.
For the boiler that furnace bottom is arranged horizontal tube row, furnace bottom slag trap and the plate that is tightly connected are arranged on the floor tube row, and then reach the purpose of furnace bottom sealing.And the part pulverized-coal fired boiler, water-cooling wall next part case is positioned at the water-cooling wall bottom, the floor tube row structure of no level; at this special water-cooling wall and next part case connected mode; need the novel furnace bottom retaining device of design, with protection furnace bottom water-tight equipment, prevent its temperature distortion or burnt out.Simultaneously, answer sealing and connecting device reasonable in design, guarantee sealing device installation and reliability service, guarantee safe, the continuous operation of boiler then.
The utility model content
The technical problems to be solved in the utility model provides a kind of boiler that is positioned at water-cooling wall bottom, no floor tube row for water-cooling wall next part case, and is safe and reliable, and furnace bottom baffle plate and the sealing and connecting device that can be connected with water-cooling wall next part case.
In order to solve the problems of the technologies described above, the technical solution of the utility model provides a kind of furnace bottom baffle plate and sealing and connecting device, it is characterized in that: comprise the drawing-plate mechanism that defaults on the water-cooling wall next part case, stiffener, baffle plate all are connected with drawing-plate mechanism, the weldering of stiffener and baffle plate is connected, baffle plate be provided with in order to the connecting plate that is connected with seal or in order to the water seal plate of water sealed tank cooperation.
Preferably, described drawing-plate mechanism goes up arm-tie by at least two and a lower pulling plate is formed, and lower pulling plate is located on the described water-cooling wall next part case horizontal center line, and last arm-tie vertical welding is located on the lower pulling plate and along described water-cooling wall next part case and is evenly distributed; Last arm-tie is connected with described stiffener, and lower pulling plate is connected with described baffle plate.
Preferably, described baffle plate is whole flanged plate, and a described baffle plate vertically section upward even weldering is provided with reinforcement, and described connecting plate or the weldering of water seal plate are located on the described baffle plate horizontal segment.
Preferably, the described adjacent described spacing L that goes up arm-tie
1Scope is: 300mm＜L
1＜600mm; The described thickness of going up arm-tie, lower pulling plate is t
1, 4mm＜t
1＜8mm.
Preferably, described stiffener thickness also is t
1
Preferably, be provided with in order to connecting plate that seal is connected the time described baffle plate and described water-cooling wall next part case central horizontal distance L when weldering on the described baffle plate
2With described water-cooling wall next part case D outer diameter
1Satisfy: 300mm＜(L
2-D
1/ 2)＜500mm.
Preferably, described connecting plate is provided with circular hole.
Preferably, described baffle plate bottom is lower than described connecting plate.
Preferably, when weldering on the described baffle plate is provided with in order to the water seal plate that cooperates with water sealed tank, described baffle plate and described water-cooling wall next part case central horizontal distance L
2With described water-cooling wall next part case D outer diameter
1Satisfy: 400mm＜(L
2-D
1/ 2)＜600mm.
A kind of furnace bottom baffle plate that the utility model provides and the drawing-plate mechanism of sealing and connecting device are embedded on the water-cooling wall next part case, make things convenient for site operation, have reduced the stress between drawing-plate mechanism and the water-cooling wall next part case, and drawing-plate mechanism is more firm; Stiffener and last arm-tie evenly distribute, and can effectively bear baffle plate and seal connector weight; Baffle plate adopts whole flanged plate version, and horizontally disposed reinforcement thereon, can strengthen the baffle plate mechanical property, increases non-deformability.Boiler at adopting mechanical seal and two kinds of forms of water-stop is welded to connect plate and water seal plate respectively on baffle plate.Whole device adopts suitable metal material, guarantees reliability of operation.
The device that the utility model provides has overcome the deficiencies in the prior art, is applicable to that water-cooling wall next part case is positioned at water-cooling wall bottom, no floor tube row's boiler, can be connected with water-cooling wall next part case, and is easy for installation, safe and reliable.
Description of drawings
Fig. 1 is furnace bottom baffle plate and sealing and connecting device structural representation among the embodiment 1;
Fig. 2 is furnace bottom baffle plate and sealing and connecting device vertical view among the embodiment 1;
Fig. 3 is furnace bottom baffle plate and sealing and connecting device structural representation among the embodiment 2;
Fig. 4 is furnace bottom baffle plate and sealing and connecting device vertical view among the embodiment 2;
Description of reference numerals
The 1-drawing-plate mechanism; The last arm-tie of 1-1-; The 1-2-lower pulling plate; The 2-stiffener; The 3-baffle plate; The 4-connecting plate; 5-water-cooling wall next part case; The 6-reinforcement; 7-water seal plate.
The specific embodiment
For the utility model is become apparent, now with two preferred embodiments, and conjunction with figs. is described in detail below.
Embodiment 1
In conjunction with Fig. 1, boiler adopts mechanical seal, furnace bottom baffle plate and sealing and connecting device by be embedded in drawing-plate mechanism 1, stiffener 2 on the water-cooling wall next part case 5, play the pushing off the slag effect baffle plate 3, be welded on the baffle plate 3 and form in order to the connecting plate 4 that is connected with seal.
In conjunction with Fig. 2, drawing-plate mechanism 1 is made up of some upward arm-tie 1-1 and a lower pulling plate 1-2, lower pulling plate 1-2 is arranged on water-cooling wall next part case 5 horizontal center lines, some arm-tie 1-1 of going up are vertically welded in lower pulling plate 1-2 and go up and go up arm-tie 1-1 evenly distribution on water-cooling wall next part case 5, stiffener 2 is connected with last arm-tie 1-1, and baffle plate 3 is connected with lower pulling plate 1-2.
Welding between stiffener 2 and the baffle plate 3.Be welded with horizontally disposed some reinforcements 6 on the baffle plate 3, baffle plate 3 played the effect of strengthening mechanical property.Connecting plate 4 is welded on baffle plate 3 horizontal segments, and baffle plate 3 bottoms are lower than lower connecting plate 4, to prevent the sealing device temperature distortion or to burn out.Have circular hole on the connecting plate 4, be connected in order to carry out bolt with seal.
Device adopts drawing-plate mechanism 1 to be embedded on water-cooling wall next part case 5 bodies, under to the less situation of water-cooling wall next part case 5 stress influences, provides baffle plate 3 and connecting plate 4 enough supports.Stiffener 2 connects goes up arm-tie 1-1 and baffle plate 3, to baffle plate 3 and 4 booster actions of connecting plate.Baffle plate 3 carries out two-sided butt welding with lower pulling plate 1-2, adopts whole plate manufacturing, is processed into the flap form, improves mechanical property, and reinforcement 6 is welded on the baffle plate 3 vertical sections, and connecting plate 4 is welded on baffle plate 3 horizontal segments.This installs each assembly material and all selects structural alloy steel for use, guarantees at high temperature to have mechanical property preferably.
The structural dimensions of furnace bottom baffle plate and sealing and connecting device is as follows in the present embodiment:
Water-cooling wall next part case 5 D outer diameter
1=273mm, adjacent upward distance L between the arm-tie 1-1 in the drawing-plate mechanism 1
1=508mm, baffle plate 3 and water-cooling wall next part case 5 center line horizontal range L
2=585mm, baffle plate 3 is section and connecting plate 4 horizontal range L vertically
3=220mm, baffle plate 3 height h
1=500mm, distance h between the adjacent reinforcement 6 on the baffle plate 3
2=200, connecting plate 4 height h
3=160mm, the thickness of last arm-tie 1-1, lower pulling plate 1-2, stiffener 2 and baffle plate 3 is t
1=6mm, connecting plate 4 thickness t
2=8mm.Circularhole diameter D on the connecting plate 4
2=14mm.
In conjunction with Fig. 3, boiler adopts water-stop, furnace bottom baffle plate and sealing and connecting device by be embedded in drawing-plate mechanism 1, stiffener 2 on the water-cooling wall next part case 5, play the pushing off the slag effect baffle plate 3, be welded on the baffle plate 3 in order to insert the water seal plate 7 that water sealed tank seals and form.
In conjunction with Fig. 4, drawing-plate mechanism 1 is made up of some upward arm-tie 1-1 and a lower pulling plate 1-2, lower pulling plate 1-2 is arranged on water-cooling wall next part case 5 horizontal center lines, some arm-tie 1-1 of going up are vertically welded in lower pulling plate 1-2 and go up and go up arm-tie 1-1 evenly distribution on water-cooling wall next part case 5, stiffener 2 is connected with last arm-tie 1-1, and baffle plate 3 is connected with lower pulling plate 1-2.
Welding between stiffener 2 and the baffle plate 3.Be welded with horizontally disposed some reinforcements 6 on the baffle plate 3, baffle plate 3 played the effect of strengthening mechanical property.Water seal plate 7 is welded on baffle plate 3 horizontal segments, and water seal plate 7 is whole plate structure, is used for and the water sealed tank cooperation.
Device adopts drawing-plate mechanism 1 to be embedded on water-cooling wall next part case 5 bodies, under to the less situation of water-cooling wall next part case 5 stress influences, provides baffle plate 3 enough supports.Stiffener 2 connects goes up arm-tie 1-1 and baffle plate 3, to 3 booster actions of baffle plate.Baffle plate 3 carries out two-sided butt welding with lower pulling plate 1-2, adopts whole plate manufacturing, is processed into the flap form, improves mechanical property.Seal weld is adopted in the connection of water seal plate 7 around the furnace bottom, reduces furnace bottom and leaks out.This installs each assembly material and all selects structural alloy steel for use, guarantees at high temperature to have mechanical property preferably.
The structural dimensions of furnace bottom baffle plate and sealing and connecting device is as follows in the present embodiment:
Water-cooling wall next part case D outer diameter
1=273mm, adjacent upward distance L between the arm-tie 1-1 in the drawing-plate mechanism 1
1=508mm, baffle plate 3 and water-cooling wall next part case 5 center line horizontal range L
2=585mm, baffle plate 3 and water seal plate 7 horizontal range L
4=220mm, baffle plate 3 height h
1=600mm, distance h between the adjacent reinforcement 6 on the baffle plate 3
2=200, water seal plate 7 height h
4=700mm, the thickness of last arm-tie 1-1, lower pulling plate 1-2, stiffener 2 and baffle plate 3 is t
1=6mm, water seal plate 7 thickness are t
3=5mm.
Claims (9)
1. a furnace bottom baffle plate and sealing and connecting device, it is characterized in that: comprise the drawing-plate mechanism (1) that defaults on the water-cooling wall next part case (5), stiffener (2), baffle plate (3) all are connected with drawing-plate mechanism (1), the weldering of stiffener (2) and baffle plate (3) is connected, baffle plate (3) be provided with in order to the connecting plate (4) that is connected with seal or in order to the water seal plate (7) of water sealed tank cooperation.
2. a kind of furnace bottom baffle plate as claimed in claim 1 and sealing and connecting device, it is characterized in that: described drawing-plate mechanism (1) goes up arm-tie (1-1) by at least two and a lower pulling plate (1-2) is formed, lower pulling plate (1-2) is located on described water-cooling wall next part case (5) horizontal center line, and last arm-tie (1-1) vertical welding is located at lower pulling plate (1-2) and upward and along described water-cooling wall next part case (5) is evenly distributed; Last arm-tie (1-1) is connected with described stiffener (2), and lower pulling plate (1-2) is connected with described baffle plate (3).
3. a kind of furnace bottom baffle plate as claimed in claim 1 and sealing and connecting device, it is characterized in that: described baffle plate (3) is whole flanged plate, described baffle plate (a 3) vertically section upward even weldering is provided with reinforcement (6), and described connecting plate (4) or water seal plate (7) weldering are located on described baffle plate (3) horizontal segment.
4. a kind of furnace bottom baffle plate as claimed in claim 2 and sealing and connecting device is characterized in that: the adjacent described spacing L that goes up arm-tie (1-1)
1Scope is: 300mm＜L
1＜600mm; The described thickness of going up arm-tie (1-1), lower pulling plate (1-2) is t
1, 4mm＜t
1＜8mm.
5. a kind of furnace bottom baffle plate as claimed in claim 4 and sealing and connecting device is characterized in that: described stiffener (2) thickness also is t
1
6. a kind of furnace bottom baffle plate as claimed in claim 1 and sealing and connecting device is characterized in that: when described baffle plate (3) is gone up weldering when being provided with in order to the connecting plate (4) that is connected with seal, described baffle plate (3) and described water-cooling wall next part case (5) central horizontal distance L
2With described water-cooling wall next part case (5) D outer diameter
1Satisfy: 300mm＜(L
2-D
1/ 2)＜500mm.
7. a kind of furnace bottom baffle plate as claimed in claim 6 and sealing and connecting device, it is characterized in that: described connecting plate (4) is provided with circular hole.
8. a kind of furnace bottom baffle plate as claimed in claim 6 and sealing and connecting device, it is characterized in that: described baffle plate (3) bottom is lower than described connecting plate (4).
9. a kind of furnace bottom baffle plate as claimed in claim 1 and sealing and connecting device, it is characterized in that: when described baffle plate (3) is gone up weldering when being provided with in order to the water seal plate (7) that cooperates with water sealed tank, described baffle plate (3) and described water-cooling wall next part case (5) central horizontal distance L 2 and described water-cooling wall next part case (5) D outer diameter
1Satisfy: 400mm＜(L
2-D
1/ 2)＜600mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320067585 CN203147778U (en) | 2013-02-05 | 2013-02-05 | Furnace bottom baffle and sealing connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320067585 CN203147778U (en) | 2013-02-05 | 2013-02-05 | Furnace bottom baffle and sealing connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203147778U true CN203147778U (en) | 2013-08-21 |
Family
ID=48975298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320067585 Expired - Lifetime CN203147778U (en) | 2013-02-05 | 2013-02-05 | Furnace bottom baffle and sealing connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203147778U (en) |
-
2013
- 2013-02-05 CN CN 201320067585 patent/CN203147778U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130821 |
|
| CX01 | Expiry of patent term |