CN205299504U - Environmental protection and energy saving type circulating fluidized bed boiler returning charge utensils hood - Google Patents
Environmental protection and energy saving type circulating fluidized bed boiler returning charge utensils hood Download PDFInfo
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- CN205299504U CN205299504U CN201620076537.0U CN201620076537U CN205299504U CN 205299504 U CN205299504 U CN 205299504U CN 201620076537 U CN201620076537 U CN 201620076537U CN 205299504 U CN205299504 U CN 205299504U
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- blast cap
- tube core
- fluidized bed
- circulating fluidized
- bed boiler
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Abstract
The utility model provides an environmental protection and energy saving type circulating fluidized bed boiler returning charge utensils hood, it relates to a hood. The utility model provides an outside and inside each part wearing and tearing of current hood more serious, and have to fall grey problem, influence the problem of the normal operating of circulating fluidized bed boiler. The utility model discloses a hood head, interior tube core and backup pad, the hood head seals lower extreme open -ended casing for the upper end, an organic whole is made to the upper and lower coaxial setting of toper portion and drum portion, be equipped with a plurality of air outlets along the circumference equipartition on the lower extreme lateral wall of drum portion, every air outlet is to outer downward sloping setting in by the hood head, interior tube core is both ends open -ended tubular structure, the upper end of tube core and as an organic whole with the lateral wall rigid coupling of interior tube core including the perpendicular cover of backup pad is established, the hood head is buckled and seal the rigid coupling in the backup pad and with the backup pad, hood head and the coaxial setting of interior tube core, lie in the height of the drum portion that highly is lighter than of the tube core of backup pad top. The utility model is used for circulating fluidized bed boiler returning charge ware.
Description
Technical field
The utility model relates to a kind of blast cap, in particular to a kind of environment-friendly and energy-efficient material return device for circulating fluidized bed boiler blast cap.
Background technology
Circular fluid bed technology is efficient, low stain, a clean-burning technology developing rapidly in recent decades. Circulating fluidized bed boiler systems is made up of burner hearth, separator, material returning device, back-end surfaces and utility appliance etc. usually, wherein it is provided with air-distributing device bottom material returning device, blast cap is the important composition parts of air-distributing device, its function makes fluidized wind send into material returning device uniformly, existing blast cap in working process owing to being subject to washing away of high temperature circulation material, it is outside and each component wear in inside is relatively serious, and there is ash discarding problem, affects the normal operation of circular fluid bed.
Practical novel content
The utility model in order to each component wear in outside and inside solving existing blast cap relatively serious, and there is ash discarding problem, affect the problem of the normal operation of circular fluid bed, it is provided that one environment-friendly and energy-efficient material return device for circulating fluidized bed boiler blast cap.
The technical scheme that the utility model is taked to solve the problems of the technologies described above is: the utility model comprises blast cap head, interior tube core and back up pad, blast cap head is the housing of upper end closed lower ending opening, blast cap head comprises tapered portion and cylindrical portion, tapered portion and cylindrical portion coaxially arrange up and down and make one, the lower end side wall of cylindrical portion is circumferentially laid with multiple go out air port, each goes out air port and has a down dip setting to extroversion by blast cap head, interior tube core is the tubular structure of both ends open, back up pad vertical sleeve is located at the upper end of interior tube core and the outer side wall with interior tube core fixes as one, blast cap head is buckled on the supporting plate and is admittedly connect with back up pad sealing, blast cap head and interior tube core are coaxially arranged, air-flow passage is formed between blast cap head and interior tube core, the height being positioned at the tube core above back up pad is less than the height of cylindrical portion,
The cone angle of tapered portion is 120 ��; Going out air port is that circle goes out air port, and going out the angle between the center axis in air port and horizontal direction is 10 �㡫15 ��; The internal diameter of cylindrical portion is 25��36mm; Back up pad is circular base slab; The quantity going out air port is 6��10; Blast cap head is blast cap head wear-resisting, high temperature resistant, and interior tube core is interior tube core wear-resisting, high temperature resistant, and back up pad is back up pad wear-resisting, high temperature resistant; Vertical range between the upper surface of cylindrical portion and the upper surface of interior tube core is 7��10mm.
The beneficial effects of the utility model are:
1, blast cap head of the present utility model is made up of tapered portion and cylindrical portion, the inclined-plane of tapered portion can play good drainage to by interior tube core fluidized wind out, it is guided to flow to cylindrical portion and flow out blast cap by going out air port, alleviate fluidized wind to the abrasion of blast cap overhead, go out air port employing to be obliquely installed, both outside recycle stock can have effectively been stoped to enter blast cap in air port by going out, ash discarding problem is avoided to occur, air-out between blast cap can be reduced again influence each other and wear and tear, fluidized wind is enable to send into material returning device uniformly, the internal diameter of cylindrical portion is only 25��36mm, reduce the volume of blast cap head, the abrasion of blast cap head is alleviated greatly, cloth wind is more even, blast cap head simultaneously, interior tube core and back up pad are by wear-resisting, high temperature material is made, can effectively prevent the abrasion of blast cap,
2, the utility model structure is simple, and it is convenient to manufacture, and cost is low.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model;
Fig. 2 is the sectional view of line A-A along Fig. 1.
Embodiment
Embodiment one: composition graphs 1 and Fig. 2 illustrate present embodiment, a kind of environment-friendly and energy-efficient material return device for circulating fluidized bed boiler blast cap of present embodiment comprises blast cap head 1, interior tube core 2 and back up pad 3, blast cap head 1 is the housing of upper end closed lower ending opening, blast cap head 1 comprises tapered portion 1-1 and cylindrical portion 1-2, tapered portion 1-1 and cylindrical portion 1-2 coaxially arranges up and down and makes one, the lower end side wall of cylindrical portion 1-2 is circumferentially laid with multiple go out air port 4, each goes out air port 4 and has a down dip setting to extroversion by blast cap head, interior tube core 2 is the tubular structure of both ends open, back up pad 3 vertical sleeve is located at the upper end of interior tube core 2 and the outer side wall with interior tube core 2 fixes as one, blast cap head 1 is buckled in back up pad 3 and seals with back up pad 3 and admittedly connect, blast cap head 1 and interior tube core 2 are coaxially arranged, air-flow passage is formed between blast cap head 1 and interior tube core 2, the height being positioned at the tube core 2 above back up pad 3 is less than the height of cylindrical portion 1-2.
Embodiment two: composition graphs 1 illustrates present embodiment, the cone angle �� of the tapered portion 1-1 of present embodiment is 120 ��. So arrange and fluidized wind can be played good drainage, prevent the abrasion of blast cap overhead. Other composition and the relation of connection are identical with embodiment one.
Embodiment three: the air port 4 that goes out of present embodiment goes out air port for circle. So design, can make blast cap air-out even. Other composition and the relation of connection are identical with embodiment one or two.
Embodiment four: composition graphs 1 illustrates present embodiment, the angle �� gone out between the center axis in air port 4 and horizontal direction of present embodiment is 10 �㡫15 ��. So design, both can effectively stop outside recycle stock to enter blast cap in air port 4 by going out, and avoid ash discarding problem to occur, can reduce again the generation that between blast cap, air-out influences each other and weares and teares, enable fluidized wind send into material returning device uniformly. Other composition and the relation of connection are identical with embodiment three.
Embodiment five: composition graphs 1 illustrates present embodiment, the angle �� gone out between the center axis in air port 4 and horizontal direction of present embodiment is 15 ��.So design, can more effectively stop outside recycle stock to enter blast cap in air port 4 by going out, avoid ash discarding problem to occur, reduce the generation that between blast cap, air-out influences each other and weares and teares, enable fluidized wind send into material returning device uniformly. Other composition and the relation of connection are identical with embodiment four.
Embodiment six: composition graphs 1 illustrates present embodiment, the internal diameter of the cylindrical portion 1-2 of present embodiment is 25��36mm. So design, the volume of blast cap head 1 is little, can greatly alleviate the abrasion of blast cap head 1, and cloth wind is more even. Other composition and the relation of connection are identical with embodiment four or five.
Embodiment seven: composition graphs 2 illustrates present embodiment, the back up pad 3 of present embodiment is circular base slab. Meet design and use requirement. Other composition and the relation of connection are identical with embodiment six.
Embodiment eight: composition graphs 2 illustrates present embodiment, the quantity going out air port 4 is 6��10. So design can make blast cap air-out more even, and satisfied difference goes out the needs of air quantity. Other composition and the relation of connection are identical with embodiment seven.
Embodiment nine: blast cap head 1 is blast cap head wear-resisting, high temperature resistant, interior tube core 2 is interior tube core wear-resisting, high temperature resistant, and back up pad 3 is back up pad wear-resisting, high temperature resistant. So design can effectively alleviate the abrasion of blast cap, it is to increase the work-ing life of blast cap. Other composition and the relation of connection are identical with embodiment seven or eight.
Embodiment ten: composition graphs 1 illustrates present embodiment, the vertical range h between the upper surface of cylindrical portion 1-2 and the upper surface of interior tube core 2 is 7��10mm. So design can alleviate fluidized wind to the surging force of tapered portion 1-1, and then alleviates the abrasion at blast cap head 1 top. Other composition and the relation of connection are identical with embodiment nine.
Claims (10)
1. an environment-friendly and energy-efficient material return device for circulating fluidized bed boiler blast cap, it is characterized in that: it comprises blast cap head (1), interior tube core (2) and back up pad (3), the housing that blast cap head (1) is upper end closed lower ending opening, blast cap head (1) comprises tapered portion (1-1) and cylindrical portion (1-2), tapered portion (1-1) and cylindrical portion (1-2) coaxially arrange up and down and make one, the lower end side wall of cylindrical portion (1-2) is circumferentially laid with multiple go out air port (4), each goes out air port (4) and has a down dip setting to extroversion by blast cap head, the tubular structure that interior tube core (2) is both ends open, back up pad (3) vertical sleeve is located at the upper end of interior tube core (2) and the outer side wall with interior tube core (2) fixes as one, blast cap head (1) is buckled in back up pad (3) and above and admittedly connects with back up pad (3) sealing, blast cap head (1) and interior tube core (2) are coaxially arranged, air-flow passage is formed between blast cap head (1) and interior tube core (2), the height being positioned at the tube core (2) of back up pad (3) top is less than the height of cylindrical portion (1-2).
2. a kind of environment-friendly and energy-efficient material return device for circulating fluidized bed boiler blast cap according to claim 1, it is characterised in that: the cone angle (��) of described tapered portion (1-1) is 120 ��.
3. a kind of environment-friendly and energy-efficient material return device for circulating fluidized bed boiler blast cap according to claim 1 and 2, it is characterised in that: described in go out air port (4) for circle and go out air port.
4. a kind of environment-friendly and energy-efficient material return device for circulating fluidized bed boiler blast cap according to claim 3, it is characterised in that: described in the angle (��) that goes out between the center axis in air port (4) and horizontal direction be 10 �㡫15 ��.
5. a kind of environment-friendly and energy-efficient material return device for circulating fluidized bed boiler blast cap according to claim 4, it is characterised in that: described in the angle (��) that goes out between the center axis in air port (4) and horizontal direction be 15 ��.
6. a kind of environment-friendly and energy-efficient material return device for circulating fluidized bed boiler blast cap according to claim 4 or 5, it is characterised in that: the internal diameter of described cylindrical portion (1-2) is 25��36mm.
7. a kind of environment-friendly and energy-efficient material return device for circulating fluidized bed boiler blast cap according to claim 6, it is characterised in that: described back up pad (3) is circular base slab.
8. a kind of environment-friendly and energy-efficient material return device for circulating fluidized bed boiler blast cap according to claim 7, it is characterised in that: described in go out air port (4) quantity be 6��10.
9. a kind of environment-friendly and energy-efficient material return device for circulating fluidized bed boiler blast cap according to claim 7 or 8, it is characterized in that: described blast cap head (1) is blast cap head wear-resisting, high temperature resistant, interior tube core (2) is interior tube core wear-resisting, high temperature resistant, and back up pad (3) is back up pad wear-resisting, high temperature resistant.
10. a kind of environment-friendly and energy-efficient material return device for circulating fluidized bed boiler blast cap according to claim 9, it is characterised in that: the vertical range (h) between the upper surface of cylindrical portion (1-2) and the upper surface of interior tube core (2) is 7��10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620076537.0U CN205299504U (en) | 2016-01-26 | 2016-01-26 | Environmental protection and energy saving type circulating fluidized bed boiler returning charge utensils hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620076537.0U CN205299504U (en) | 2016-01-26 | 2016-01-26 | Environmental protection and energy saving type circulating fluidized bed boiler returning charge utensils hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205299504U true CN205299504U (en) | 2016-06-08 |
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ID=56427305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620076537.0U Active CN205299504U (en) | 2016-01-26 | 2016-01-26 | Environmental protection and energy saving type circulating fluidized bed boiler returning charge utensils hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205299504U (en) |
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2016
- 2016-01-26 CN CN201620076537.0U patent/CN205299504U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |