CN205026657U - Cold sediment machine multislot labyrinth ring sealing device - Google Patents
Cold sediment machine multislot labyrinth ring sealing device Download PDFInfo
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- CN205026657U CN205026657U CN201520715131.8U CN201520715131U CN205026657U CN 205026657 U CN205026657 U CN 205026657U CN 201520715131 U CN201520715131 U CN 201520715131U CN 205026657 U CN205026657 U CN 205026657U
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Abstract
The utility model relates to a cold sediment machine multislot labyrinth ring sealing device, include into the sediment pipe, advance the sediment box, ring cover, closure plate, end cover outer lane, receipt circle, feed back circle, adjusting bolt, semicircle pipe, advance that the sediment pipe supports through the supporting component and with advance the sediment box and be connected, ring cover and the end cover concentric welded connection in outer lane and fixed through the bedplate, receive circle and feed back circle all the welding the end cover outer lane and with concentric the arranging of ring cover, the semicircle sealing of tube is in end cover outer lane cylinder side, adjusting bolt with advance the sediment box and weld in together, the ring cover all has the crown plate including inner ring and outer loop on inner ring and the outer loop, and crown plate cross arrangement forms multislot labyrinth structure. The utility model discloses furthest has sealed sealing device and the clearance of advancing the sediment box, has greatly reduced the grey quantity of slag that gets into sealing device, has improved the sealing reliability, and this structure be split type structure, assembles more simply, and it is more convenient that the change is got up.
Description
Technical field
The utility model belongs to lag cooler technical field, is specifically related to a kind of lag cooler multiple-grooved labyrinth ring sealing device.
Background technology
CFBB is a kind of low stain, environment-friendly type, clean burning boiler, employing be stove combustion sulfur removal technology.By recirculating fluidized bed low-temperature burning, achieve effectively removing of sulfide and nitrogen oxide, thus greatly reduce the discharge of pollutant in flue gas.Lag cooler is then one of auxiliary equipment of CFBB indispensability, for the cooling of CFB Slag, generally lime-ash is cooled to 150 DEG C even lower by 900 DEG C.But the swing roller because of barrel slag cooler is rotatable parts, and slag input and assembly of slagging tap are stationary parts, therefore there is sound composition surface, and drums inside slag position is general very high, slag temperature is high especially (>=900 DEG C) also, being association of activity and inertia of slag input end slag feeding device and swing roller is located hermetically-sealed construction and was often easily lost efficacy, life-span is shorter, and not easily change, so often cause a large amount of high temperature to spill at the warm sludge of 900 DEG C, so not only cause heat waste, affect boiler room integrated environment health, lag cooler maintenance down can be caused time serious and then cause boiler shutdown, the equipment of boiler slag removal causes front and continued equipment normally to run once break down, last resort blowing out, cause great energy waste, this is contrary with the policy advocating now " energy-saving and emission-reduction ".And the more important thing is that the red slag of the high temperature spilt injures the personal safety of periphery inspection operation personnel herein.Although existing barrel slag cooler has made many improvement, because structure limit, its sealing device used all falls flat.Slag is leaked at being association of activity and inertia place between slag feeding device and cylindrical shell, is the very important problem of puzzlement lag cooler manufacturing firm and of applying unit.
At present, sealing herein mainly contains two kinds.One is clearance seal, and place of being namely association of activity and inertia have employed very little gap, and most of producer is 1mm, this structure initial operation stage still can, but in tumbler wearing and tearing or the excessive rear seal distortion of the quantity of slag, this gap can sharply increase, and causes leaking slag in a large number; Another kind is thread seal, producer's major part domestic at present all refer to this kind of hermetically-sealed construction, namely to get on the bus backpitch guide groove processed at sealing ring, the thin ash leaked enters hermetically-sealed construction rear portion by backpitch guide groove is counter and pushes back slag input casing, the thin ash of another part and the enable labyrinth structure that lays out finally also are collected by the reception circle outside labyrinth structure, returning charge box finally through receiving circle outside enters cylindrical shell, though but its Problems existing is sealing ring backpitch structure, also entering of a large amount of lime-ash cannot be stoped.When entering the lime-ash flow in sealing device and being greater than the returning charge ability of returning charge box, a large amount of lime-ash can reception circle in pile up, final lime-ash from reception circle and sealing ring gap flow out, seal failure.
Utility model content
The purpose of this utility model is solve above-mentioned technical problem and provide the lag cooler multiple-grooved labyrinth ring sealing device that a kind of lag cooler slag input end is association of activity and inertia place.
For achieving the above object, the utility model adopts following technical scheme:
A kind of lag cooler multiple-grooved labyrinth ring sealing device, comprises slag feed pipe, slag input casing, supporting component, ring set, closure plate, end cap outer ring, receives circle, feedback ring, adjusting bolt, semi-circular tube, seat board; Wherein, slag feed pipe is supported by supporting component and links together with slag input casing; Ring set with end cap outer ring is concentric be welded in together with and fixed by seat board; Receive circle with feedback ring be all welded on end cap outer ring and with ring set arranged concentric; Semi-circular tube is welded in cylinder side, end cap outer ring, adjusting bolt and slag input welding box body in together with; Ring set comprises inner ring and outer shroud, and equal annulate lamella on inner ring and outer shroud, ring flat-plate arranged crosswise, defines multiple-grooved labyrinth structure.
Receive in circle and be furnished with drainage plate and baffle plate.
Feedback ring is provided with deflection plate.
Inner ring and outer shroud have included multiple inner ring body, multiple outer ring body, and multiple inner ring body, multiple outer ring body removably fit together respectively and form inner ring and outer shroud.
Outer shroud comprises outer ring body A, outer ring body B, outer ring body C and bearing pin, outer ring body A, B, C include cylinder and are arranged in the ring flat-plate of cylinder interior, the several circular hole of circumference uniform distribution on cylinder, bearing pin and circular hole are interference fit and outer ring body A, outer ring body B, outer ring body C are fitted together; Inner ring comprises inner ring body A, inner ring body B, inner ring body C and bearing pin, inner ring body A, B, C include cylinder and are arranged in the ring flat-plate of cylinder interior, the several circular hole of circumference uniform distribution on cylinder, bearing pin and circular hole are interference fit and endosome ring A, inner ring body B, inner ring body C are fitted together.
Cylinder and the ring flat-plate of inner ring and outer shroud weld together.
Semi-circular tube is globoidal structure.
The utility model optimize original lag cooler be association of activity and inertia place hermetically-sealed construction form, enclose the gap of sealing device and slag input casing to greatest extent, greatly reduce the grey quantity of slag entering sealing device, improve the reliability of sealing, and this structure is split-type structural, assemble more simple, it is more convenient to change.
Accompanying drawing explanation
Figure 1 shows that the structural representation of the lag cooler multiple-grooved labyrinth ring sealing device that the utility model embodiment provides;
Figure 2 shows that the partial enlargement structural representation of I part in Fig. 1
Figure 3 shows that the structural representation of ring set;
Figure 4 shows that the k direction view of Fig. 1;
Figure 5 shows that the structural representation of outer shroud;
Figure 6 shows that the structural representation of inner ring.
Detailed description of the invention
Below, in conjunction with example, substantive distinguishing features of the present utility model and advantage are further described, but the utility model is not limited to listed embodiment.
Refer to shown in Fig. 1 ~ 6, a kind of lag cooler multiple-grooved labyrinth ring sealing device, comprise slag feed pipe 1, slag input casing 2, supporting component 3, ring set 4, closure plate 5, end cap outer ring 6, receive circle 7, feedback ring 8, adjusting bolt 9, for lime-ash provides the semi-circular tube 10 in return slag space, seat board 11, wherein, slag feed pipe and slag input casing link together, and supported by supporting component, in order to slag inlet is guided to drums inside by lime-ash, ring set with end cap outer ring is concentric be welded in together with, and be fixed by seat board, receive circle and be all welded on end cap outer ring with feedback ring, and with ring set arranged concentric, semi-circular tube is welded in cylinder side, end cap outer ring, adjusting bolt 9 and slag input welding box body in together with, in order to regulate the gap of all parts of ring set 4, ring set comprises the inner ring 42 and outer shroud 41 that fit together, on inner ring and outer shroud, inner all intervals are preset certain intervals and are provided with multiple ring flat-plate, after inner ring 42 and outer shroud 41 fit together, the ring flat-plate arranged crosswise of the ring flat-plate in inner ring and outer shroud phase, thus with in ring set, namely define multiple-grooved labyrinth structure between inner ring and outer shroud.
Further, receiving in circle and be furnished with drainage plate 71 and baffle plate 72, along with the rotation of cylinder, lime-ash can be guided in feedback ring from receiving circle.
Further, feedback ring is provided with deflection plate 81, effectively can prevent lime-ash " backflow ", again gets back to and receive circle after namely preventing lime-ash from entering feedback ring, thus controls the grey quantity of slag in reception circle.
In order to realize the effect of ring set structure and simpler and easy in order to make, install, ring set adopts modular construction, wherein, inner ring 42 and outer shroud 21 have included multiple inner ring body, multiple outer ring body, multiple inner ring body, multiple outer ring body respectively removably assembly and connection form this inner ring and outer shroud together.
In specific implementation, as shown in Fig. 3,5,6, ring set 4 is made up of outer shroud 41 and inner ring 42, outer shroud 41 is made up of outer ring body A411, outer ring body B412, outer ring body C413 and bearing pin 420 again, outer ring body A, B, C by cylinder and be arranged in cylinder interior ring flat-plate welding, process, and the several circular hole of circumference uniform distribution on cylinder, bearing pin and circular hole are interference fit, therefore are fitted together by each outer ring body by bearing pin; The same, inner ring 42 is also combining structure, inner ring 42 is made up of inner ring body A421, inner ring body B422, inner ring body C423 and bearing pin 420 again, inner ring body A, B, C, D by cylinder and be arranged in cylindrical outer ring flat-plate welding, process, and the several circular hole of circumference uniform distribution, is fitted together each inner ring by bearing pin on cylinder.During installation, according to sequencing inner ring and outer shroud assembled with together with, and carry out welding, assembling with seat board 11, closure plate 5 respectively, thus realize multiple-grooved labyrinth seal.
Wherein, semi-circular tube is globoidal structure, and the effect played due to semi-circular tube 10 provides space for lime-ash enters cylindrical shell, more smooth and easy when making lime-ash enter cylindrical shell, and therefore globoidal structure reduces dialling the wearing and tearing in slag process, makes also simpler and easy.
As shown in Figure 1, during lag cooler work, lime-ash enters drums inside from slag feed pipe, when the grey quantity of slag is larger, have part lime-ash and enter slag input casing from drums inside, when lime-ash is stacked into a certain amount of in slag input casing, have the trend of outwards overflowing from sound faying face.
Because ring set is seal member, ring set is made up of inner ring 41 and outer shroud 42, equal annulate lamella on inner ring and outer shroud, ring flat-plate arranged crosswise, define multiple-grooved labyrinth structure, the gap that the gap that inner ring ring flat-plate and outer shroud are formed and outer shroud ring flat-plate and inner ring are formed is all smaller, effectively can control the circulation of lime-ash, so most of lime-ash can be sealed in slag input casing, can not overflow since then.Even if there is a small amount of lime-ash to overflow from ring set, also can enter in the reception circle with ring set arranged concentric by multiple-grooved labyrinth structure, and be furnished with drainage plate 71 and baffle plate 72 in reception circle, along with the rotation of cylinder, can guide in feedback ring from receiving circle by lime-ash, feedback ring is provided with deflection plate 81, effectively can prevent lime-ash " backflow ", namely again get back to after preventing lime-ash from entering feedback ring and receive circle, thus control the grey quantity of slag in reception circle.Along with the rotation of cylinder, lime-ash can be back to drums inside from the circular hole end cap outer ring, and the effect that semi-circular tube 10 plays provides space for lime-ash enters cylindrical shell, more smooth and easy when making lime-ash enter cylindrical shell.20 flow directions being lime-ash in figure.
Compared with prior art, the utility model has following characteristics:
1, multiple-grooved labyrinth seal structure makes lime-ash discharge channel no longer unobstructed, therefore can completely cut off at slag input box house by most of lime-ash;
2, multiple-grooved labyrinth seal structure make lag cooler be association of activity and inertia place the grey quantity of slag significantly reduce, not only reduce the feed back pressure of feedback ring, more reduce the time of staying of lime-ash in feedback ring and the possibility of effusion;
3, ring set adopts ring flat-plate and cylinder to make, and compared with sealing ring used in the past, makes easier, and because adopting bearing pin to connect, therefore install more easy, change also convenient;
4, feedback ring sets up deflection plate, lime-ash no longer from feedback ring to feed back in reception circle, make lag cooler face return slag of being association of activity and inertia more smooth and easy;
5, adopt semi-circular tube to provide return slag space for lime-ash, because semi-circular tube is globoidal structure, reducing dialling the wearing and tearing in slag process, making also simpler and easy.
Although be described the utility model with reference to multiple explanatory embodiment of the present utility model here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and embodiment, these amendments and embodiment will drop within spirit disclosed in the present application and spirit.
More particularly, in the scope of, accompanying drawing open in the application and claim, multiple modification and improvement can be carried out to the building block of subject combination layout and/or layout.Except the modification of carrying out building block and/or layout is with except improvement, to those skilled in the art, other purposes also will be obvious.
Claims (7)
1. a lag cooler multiple-grooved labyrinth ring sealing device, is characterized in that, comprises slag feed pipe, slag input casing, supporting component, ring set, closure plate, end cap outer ring, receives circle, feedback ring, adjusting bolt, semi-circular tube, seat board; Wherein, slag feed pipe is supported by supporting component and links together with slag input casing; Ring set with end cap outer ring is concentric be welded in together with and fixed by seat board; Receive circle with feedback ring be all welded on end cap outer ring and with ring set arranged concentric; Semi-circular tube is welded in cylinder side, end cap outer ring, adjusting bolt and slag input welding box body in together with; Ring set comprises inner ring and outer shroud, and equal annulate lamella on inner ring and outer shroud, ring flat-plate arranged crosswise, defines multiple-grooved labyrinth structure.
2. lag cooler multiple-grooved labyrinth ring sealing device as claimed in claim 1, is characterized in that, receives in circle and is furnished with drainage plate and baffle plate.
3. lag cooler multiple-grooved labyrinth ring sealing device as claimed in claim 2, it is characterized in that, feedback ring is provided with deflection plate.
4. lag cooler multiple-grooved labyrinth ring sealing device as described in claim 1 or 3, it is characterized in that, inner ring and outer shroud include multiple inner ring body, multiple outer ring body respectively, and multiple inner ring body, multiple outer ring body removably fit together respectively and form inner ring and outer shroud.
5. lag cooler multiple-grooved labyrinth ring sealing device as claimed in claim 4, it is characterized in that, outer shroud comprises outer ring body A, outer ring body B, outer ring body C and bearing pin, outer ring body A, B, C include cylinder and are arranged in the ring flat-plate of cylinder interior, the several circular hole of circumference uniform distribution on cylinder, bearing pin and circular hole are interference fit and outer ring body A, outer ring body B, outer ring body C are fitted together; Inner ring comprises inner ring body A, inner ring body B, inner ring body C and bearing pin equally, inner ring body A, B, C include cylinder and are arranged in the ring flat-plate of cylinder interior, the several circular hole of circumference uniform distribution on cylinder, bearing pin and circular hole are interference fit and endosome ring A, inner ring body B, inner ring body C are fitted together.
6. lag cooler multiple-grooved labyrinth ring sealing device as claimed in claim 5, it is characterized in that, cylinder and the ring flat-plate of inner ring and outer shroud weld together.
7. lag cooler multiple-grooved labyrinth ring sealing device as described in claim 1 or 6, it is characterized in that, semi-circular tube is globoidal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520715131.8U CN205026657U (en) | 2015-09-16 | 2015-09-16 | Cold sediment machine multislot labyrinth ring sealing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520715131.8U CN205026657U (en) | 2015-09-16 | 2015-09-16 | Cold sediment machine multislot labyrinth ring sealing device |
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| CN205026657U true CN205026657U (en) | 2016-02-10 |
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| CN201520715131.8U Active CN205026657U (en) | 2015-09-16 | 2015-09-16 | Cold sediment machine multislot labyrinth ring sealing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105180162A (en) * | 2015-09-16 | 2015-12-23 | 青岛松灵电力环保设备有限公司 | Multi-groove labyrinth ring sealing device of slag cooling machine |
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2015
- 2015-09-16 CN CN201520715131.8U patent/CN205026657U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105180162A (en) * | 2015-09-16 | 2015-12-23 | 青岛松灵电力环保设备有限公司 | Multi-groove labyrinth ring sealing device of slag cooling machine |
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