CN202324784U - Single-sleeve chimney for traversing trestles - Google Patents
Single-sleeve chimney for traversing trestles Download PDFInfo
- Publication number
- CN202324784U CN202324784U CN2011204724926U CN201120472492U CN202324784U CN 202324784 U CN202324784 U CN 202324784U CN 2011204724926 U CN2011204724926 U CN 2011204724926U CN 201120472492 U CN201120472492 U CN 201120472492U CN 202324784 U CN202324784 U CN 202324784U
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- concrete
- inner cylinder
- chimney
- inner core
- coal
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Abstract
The utility model relates to a single-sleeve chimney for traversing trestles, which comprises a concrete outer cylinder and an inner cylinder arranged inside the concrete outer cylinder. The inner cylinder comprises a steel inner cylinder and a concrete inner cylinder which are arranged in layer. The concrete inner cylinder is arranged under the steel inner cylinder and through holes which are used for traversing trestles are arranged on the concrete inner cylinder and the concrete outer cylinder of the chimney. The single-sleeve chimney has the advantages that transshipment points of a coal transporting system are decreased, consumption of common electric energy and investment cost are reduced and the like. Therefore, main equipment of factories can be arranged more reasonably.
Description
Technical field
The utility model relates to the chimney of using in the power plant, particularly relates to a kind of single sleeve chimney that can pass through trestle.
Background technology
Characteristics such as the main building arrangement form of side coal bunker and steam turbine building is little with floor space in the power plant, and cost of investment is low have obtained extensive use.The main building of common power plant is arranged and is adopted side coal bunker arrangement; The chimney modes that adopt the shared pipe chimney of two stoves more; Chimney is positioned on the axis of symmetry of two boilers; Coal crusher house is arranged in the chimney dead ahead, utilizes pipe conveyer to be connected between the bunker bay of coal crusher house and main building, is used for coal charge is transported to bunker bay from coal breaker.Chimney adopts single telescopic chimney more in the power plant, and single sleeve chimney comprises the urceolus and the steel inner cylinder that is arranged in the urceolus of reinforced concrete structure, and steel inner cylinder is used for smoke evacuation, so steel inner cylinder is provided with floss hole.Present domestic power plant runs into the general processing scheme of this kind situation: increase defeated coal transfer station, coal charge is walked around chimney, flue and desulfurizing tower through coal transporting trestle after coal breaker output, be delivered to bunker bay then.Do the collision that to avoid chimney and coal transporting trestle like this, but can increase defeated coal reloading point, increase construction investment greatly.
The utility model content
The utility model technical issues that need to address provide a kind of single sleeve chimney that can reduce cost of investment, reduce fortune coal measures system reloading point.
For solving the problems of the technologies described above, the technical scheme that the utility model is taked is
Be used to pass through single sleeve chimney of trestle, comprise the inner core that the concrete urceolus is inner with being arranged on the concrete urceolus, said inner core comprises steel inner cylinder and the concrete inner core that layering is provided with, and the concrete inner core is positioned at the below of steel inner cylinder; Horizontally set is useful on the through hole that passes through trestle on said concrete inner core and the concrete urceolus.
The improvement of the utility model is: be provided with the annular concrete platform that is used to support steel inner cylinder between concrete inner core and the steel inner cylinder.
Because the technological progress of having adopted technique scheme, the utility model to obtain is
The utility model utilizes the floss hole of chimney internal cylinder to be lower than the characteristics in defeated coal strage road; Single sleeve chimney is carried out the layering setting; Make trestle from the concrete inner core of chimney lower semisection and concrete urceolus, pass; Avoided on steel inner cylinder, directly opening place, the hole stress that causes in the hole and concentrated, and the vibration that coal transporting trestle produces in running is to the stable influence that produces of steel inner cylinder self-support.The bearing capacity demand of upper strata steel inner cylinder has also been satisfied in the setting of inner core below concrete inner core, and the annular concrete platform that between concrete inner core and steel inner cylinder, is provided with can play the effect of support to steel inner cylinder, has increased the fastness of the utility model.The utlity model has advantages such as reducing fortune coal measures system reloading point, reduction power consumption and cost of investment, can improve the reasonability that plant area's main equipment is arranged greatly.
Description of drawings
Fig. 1: the structural representation of the utility model.
Fig. 2: the utility model is applied to the plant area's arrangement diagram in the power plant.
Wherein: 1. concrete urceolus, 21. steel inner cylinders, 22. concrete inner cores, 3. boiler, 4. through hole, 5. floss hole, 6. trestle, 7. annular concrete platform, 8. coal breaker, 9. bunker bay, 10. flue, 11. desulfurizing towers.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done further explain
The single sleeve chimney that is used for passing through trestle is applied to power plant, and the vertical view that its plant area arranges is as shown in Figure 2.The described single sleeve chimney of the utility model is as shown in Figure 1, mainly comprises concrete urceolus 1 and inner core, and inner core is arranged on the inside of concrete urceolus.
Inner core comprises the steel inner cylinder 21 and concrete inner core 22 that layering is provided with, and concrete inner core 22 is positioned at the below of steel inner cylinder 21.Be provided with annular concrete platform 7 between concrete inner core and the steel inner cylinder, be used to support steel inner cylinder.Steel inner cylinder 21 is provided with the floss hole 5 that is used to discharge fume.
Be horizontally arranged with four through holes 4 on concrete inner core 22 and the concrete urceolus 1, carry coal charge trestle 6 after coal breaker 8 comes out, to pass four through holes on the chimney, directly be connected with bunker bay 9.Also be concrete inner core and the concrete urceolus that trestle has passed through chimney simultaneously, and need not to walk around flue 10 and desulfurizing tower 11, also need not to be provided with defeated coal transfer station, just can realize coal charge directly is delivered to bunker bay from coal breaker.Reduce the engineering construction cost, improved the reasonability of plant area's apparatus arrangement.
Claims (2)
1. be used to pass through single sleeve chimney of trestle; Comprise concrete urceolus (1) and be arranged on the inner inner core of concrete urceolus; It is characterized in that: said inner core comprises concrete inner core (22) and the steel inner cylinder (21) that layering is provided with, and steel inner cylinder (21) is positioned at the top of concrete inner core (22); Horizontally set is useful on the through hole (4) that passes through trestle (6) on said concrete inner core and the concrete urceolus.
2. the single sleeve chimney that is used to pass through trestle according to claim 1 is characterized in that: be provided with the annular concrete platform (7) that is used to support steel inner cylinder between concrete inner core (22) and the steel inner cylinder (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204724926U CN202324784U (en) | 2011-11-24 | 2011-11-24 | Single-sleeve chimney for traversing trestles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204724926U CN202324784U (en) | 2011-11-24 | 2011-11-24 | Single-sleeve chimney for traversing trestles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202324784U true CN202324784U (en) | 2012-07-11 |
Family
ID=46436765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204724926U Expired - Lifetime CN202324784U (en) | 2011-11-24 | 2011-11-24 | Single-sleeve chimney for traversing trestles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202324784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114684624A (en) * | 2022-03-29 | 2022-07-01 | 山东电力工程咨询院有限公司 | Few-column sectional chimney-penetrating coal conveying trestle system and method |
-
2011
- 2011-11-24 CN CN2011204724926U patent/CN202324784U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114684624A (en) * | 2022-03-29 | 2022-07-01 | 山东电力工程咨询院有限公司 | Few-column sectional chimney-penetrating coal conveying trestle system and method |
| CN114684624B (en) * | 2022-03-29 | 2024-01-19 | 山东电力工程咨询院有限公司 | Few-column sectional type chimney-penetrating coal conveying stack bridge system and method |
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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: 20120711 |
|
| CX01 | Expiry of patent term |