CN214275750U - Two main pipe segmentation main steam pipe-line system of msw incineration power generation - Google Patents
Two main pipe segmentation main steam pipe-line system of msw incineration power generation Download PDFInfo
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- CN214275750U CN214275750U CN202023123967.9U CN202023123967U CN214275750U CN 214275750 U CN214275750 U CN 214275750U CN 202023123967 U CN202023123967 U CN 202023123967U CN 214275750 U CN214275750 U CN 214275750U
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Abstract
The utility model discloses a two female pipe segmentation main steam piping system of msw incineration power generation, two female pipe segmentation main steam piping system of msw incineration power generation include that left side exhaust-heat boiler group, right side exhaust-heat boiler group, left side exhaust-heat boiler outlet valve, right side exhaust-heat boiler outlet valve, the female pipe of left side main steam, the female pipe segmentation valve of the female pipe of left side main steam, the female pipe of right side main steam, the female pipe segmentation valve of right side main steam, 1#/2#/3# turbo generator set inlet valve, 1#/2#/3# turbo generator set inlet pipeline, 1#/2#/3# turbo generator set. The utility model discloses can satisfy the normal stable operation of main steam piping system, can also ensure the flexibility of operation and maintenance, avoid main steam single mother's pipe to need to overhaul/inspect, can force the shut down of whole factory. Meanwhile, the pipe diameter of the single main pipe is reduced, and the pipeline layout design is optimized.
Description
Technical Field
The utility model relates to a two female pipe segmentation main steam piping system of msw incineration electricity generation are applied to the domestic waste incineration electricity generation project that uses domestic waste as fuel, belong to new forms of energy electricity generation and municipal environmental protection technical field.
Background
At present, the domestic household garbage incineration power generation project whole-plant main steam pipeline system is basically in single-main-pipe control, along with the development of the garbage incineration power generation project towards intensification and large-scale direction, four or more incinerator/waste heat boiler projects continuously appear, if the whole-plant main steam pipeline system still continuously adopts the single-main-pipe control, the risk of stable and continuous operation can be caused, when the main steam single-main pipe needs to be overhauled/inspected, the whole plant can be forced to stop operation, daily household garbage can not be timely treated, and economic benefit and social benefit loss is caused.
Therefore, when a project is provided with 2 or more generator sets, the technical scheme that the whole plant can safely, stably and continuously operate and the overhaul and inspection of the main steam pipeline and the pressure container of the whole plant are convenient and easy to realize can be ensured by adopting the double-main-pipe subsection main steam pipeline system.
Disclosure of Invention
In order to solve the technical problem, the technical scheme of the utility model is to provide a two female pipe segmentation main steam pipe-line systems of msw incineration electricity generation. It not only can satisfy the normal stable operation of main steam piping system, can also ensure the flexibility of operation and maintenance, has reduced the pipe diameter of single female pipe simultaneously, has optimized the piping arrangement design.
In order to achieve the purpose, the utility model provides a two female pipe segmentation main steam piping system of msw incineration power generation, including left side exhaust-heat boiler group, right side exhaust-heat boiler group, left side exhaust-heat boiler outlet valve, right side exhaust-heat boiler outlet valve, the female pipe of left side main steam, the female pipe segmentation valve of left side main steam, the female pipe of right side main steam, the female pipe segmentation valve of the female pipe of right side main steam, the female pipe of main steam UNICOM, 1#/2#/3# turbo generator set inlet pipeline, 1#/2#/3# turbo generator set inlet valve, 1#/2#/3# turbo generator set.
The main steam at the outlet of the left waste heat boiler group enters a main pipe of the left main steam after passing through an outlet valve of the left waste heat boiler; the main steam at the outlet of the right waste heat boiler group enters a main pipe of the right main steam after passing through an outlet valve of the right waste heat boiler; the left and right main steam main pipes are connected with a main steam communication main pipe through left and right main pipe section valves; the left main steam main pipe and the right main steam communication pipe are respectively connected to the 1#/2#/3# steam turbine generator unit through inlet pipelines of the 1#/2#/3# steam turbine generator unit.
Preferably, before the left/right waste heat boiler group enters the left/right main steam main pipe, a left/right waste heat boiler outlet valve is arranged, and when any waste heat boiler fails, the waste heat boiler group is cut off from the left/right main steam main pipe.
Preferably, the left/right main steam main pipe is connected to the 1#/3# steam turbine generator unit through an inlet pipeline of the 1#/3# steam turbine generator unit before the left/right main steam main pipe section valve, the 1#/3# steam turbine generator unit inlet pipeline is provided with an inlet valve of the 1#/3# steam turbine generator unit, and when any steam turbine generator unit fails, the steam turbine generator unit is cut off from the left/right main steam main pipe.
Preferably, the main steam communication main pipe between the left main steam main pipe subsection valve and the right main steam main pipe subsection valve is connected to the 2# steam turbine generator unit through a 2# steam turbine generator unit inlet pipeline, the 2# steam turbine generator unit inlet pipeline is provided with a 2# steam turbine generator unit inlet valve, and when the 2# steam turbine generator unit inlet valve fails, the 2# steam turbine generator unit inlet valve is cut off from the main steam communication main pipe.
The beneficial effects of the utility model reside in that: the normal and stable operation of a main steam pipeline system can be met, the flexibility of operation and maintenance can be ensured, the problem that a single main pipe of main steam needs to be maintained/checked is avoided, the whole plant can be forced to stop operation, daily produced household garbage cannot be timely treated, and economic benefit and social benefit loss are caused. Meanwhile, the pipe diameter of the single main pipe is reduced, and the pipeline layout design is optimized.
Drawings
Fig. 1 is a schematic view of a double-main-pipe sectional main steam pipeline system for waste incineration power generation according to this embodiment.
Description of reference numerals:
the system comprises a left-side waste heat boiler group 1, a right-side waste heat boiler group 2, a left-side waste heat boiler outlet valve 3, a right-side waste heat boiler outlet valve 4, a left-side main steam main pipe sectional valve 5, a right-side main steam main pipe sectional valve 6, a 1#/2#/3# turbo generator unit inlet valve 7/9/11, a 1#/2#/3# turbo generator unit 8/10/12, a left-side/right-side main steam main pipe 13/14, a main steam communication main pipe 15 and a 1#/2#/3# turbo generator unit inlet pipeline 16/17/18.
Detailed Description
In order to make the present invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.
Examples
Fig. 1 is a schematic diagram of a double-main-pipe sectional main steam pipeline system for waste incineration power generation according to the embodiment, where the double-main-pipe sectional main steam pipeline system includes a left-side waste heat boiler group 1, a right-side waste heat boiler group 2, a left-side waste heat boiler outlet valve 3, a right-side waste heat boiler outlet valve 4, a left-side main steam main pipe sectional valve 5, a right-side main steam main pipe sectional valve 6, a 1#/2#/3# turbo generator unit inlet valve 7/9/11, a 1#/2#/3# turbo generator unit 8/10/12, a left-side/right-side main steam main pipe 13/14, a main steam communication main pipe 15, and a 1#/2#/3# turbo generator unit inlet pipeline 16/17/18; the main steam at the outlet of the left afterheat boiler group 1 passes through the outlet valve 3 of the left afterheat boiler and then enters the main steam pipe 13 at the left side; the main steam at the outlet of the right waste heat boiler group 2 enters a main steam pipe 14 at the right side after passing through an outlet valve 4 of the right waste heat boiler; the left/right main steam header 13/14 pipe is communicated to the main steam communication header 15 through a left/right header section valve 5/6; the left/right main steam main pipe 13/14 is connected to a 1#/3# steam turbine generator unit 8/12 through a 1#/3# steam turbine generator unit inlet pipeline 16/18 before the left/right main steam main pipe section valve 5/6; the main steam communication main pipe 15 between the left side/right side main steam main pipe section valves 5/6 is connected to the 2# steam turbine generator unit 10 through the 2# steam turbine generator unit inlet pipeline 17; the 1#/2#/3# steam turbine generator unit inlet pipeline 16/17/18 is provided with a 1#/2#/3# steam turbine generator unit inlet valve 7/9/11, and when any steam turbine generator unit fails, the steam turbine generator unit inlet valve is cut off from the left/right main steam pipe 13/14 and the main steam communication pipe 15.
Claims (4)
1. A double-main-pipe sectional main steam pipeline system for waste incineration power generation is characterized by comprising a left-side waste heat boiler group (1), a right-side waste heat boiler group (2), a left-side waste heat boiler outlet valve (3), a right-side waste heat boiler outlet valve (4), a left-side main steam main pipe sectional valve (5), a right-side main steam main pipe sectional valve (6), a 1#/2#/3# steam turbine generator unit inlet valve (7/9/11), a 1#/2#/3# steam turbine generator unit (8/10/12), a left-side/right-side main steam main pipe (13/14), a main steam communicated main pipe (15) and a 1#/2#/3# steam turbine generator unit inlet pipeline (16/17/18); main steam at the outlet of the left waste heat boiler group (1) enters a left main steam pipe (13) after passing through a left waste heat boiler outlet valve (3); main steam at the outlet of the right waste heat boiler group (2) enters a right main steam pipe (14) after passing through a right waste heat boiler outlet valve (4); the left/right main steam main (13/14) pipe is communicated to the main steam communication main pipe (15) through a left/right main pipe sectional valve (5/6); the left/right main steam main pipe (13/14) is connected to a 1#/3# steam turbine generator unit (8/12) through a 1#/3# steam turbine generator unit inlet pipeline (16/18) before the left/right main steam main pipe section valve (5/6); a main steam communication main pipe (15) between the left side/right side main steam main pipe section valves (5/6) is connected to a 2# steam turbine generator unit (10) through a 2# steam turbine generator unit inlet pipeline (17); and a 1#/2#/3# steam turbine generator unit inlet valve (7/9/11) is arranged at an inlet of the 1#/2#/3# steam turbine generator unit (8/10/12), and when any steam turbine generator unit fails, the steam turbine generator unit is cut off from a left side/right side main steam pipe (13/14) and a main steam communication main pipe (15).
2. The dual main pipe sectional main steam pipeline system for waste incineration power generation as claimed in claim 1, wherein the plurality of waste heat boilers are divided into left/right waste heat boiler groups (1/2), and main steam at an outlet of the left waste heat boiler group (1) enters the left main steam main pipe (13) after passing through the left waste heat boiler outlet valve (3); main steam at the outlet of the right waste heat boiler group (2) enters a right main steam pipe (14) after passing through a right waste heat boiler outlet valve (4); the left/right main steam header is in communication with the main steam communication header (15) through a left/right header section valve (5/6).
3. The dual main pipe subsection main steam pipeline system for waste incineration power generation as claimed in claim 1, wherein the left/right main steam main pipe (13/14) is connected to the 1#/3# steam turbine generator unit (8/12) through the 1#/3# steam turbine generator unit inlet pipeline (16/18) before the left/right main steam main pipe subsection valve (5/6), the 1#/3# steam turbine generator unit inlet pipeline (16/18) is provided with the 1#/3# steam turbine generator unit inlet valve (7/11), and when any one 1#/3# steam turbine generator unit fails, the steam turbine generator unit is cut off from the left/right main steam main pipe (13/14).
4. The dual main pipe subsection main steam piping system for waste incineration power generation as claimed in claim 1, wherein the main steam communication main pipe (15) between the left and right main steam main pipe subsection valves (5/6) is connected to the 2# turbo generator set (10) through the 2# turbo generator set inlet pipe (17), and the 2# turbo generator set inlet pipe (17) is provided with the 2# turbo generator set inlet valve (9) which is cut off from the main steam communication main pipe (15) when it fails.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023123967.9U CN214275750U (en) | 2020-12-21 | 2020-12-21 | Two main pipe segmentation main steam pipe-line system of msw incineration power generation |
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| CN202023123967.9U CN214275750U (en) | 2020-12-21 | 2020-12-21 | Two main pipe segmentation main steam pipe-line system of msw incineration power generation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114377526A (en) * | 2022-01-25 | 2022-04-22 | 福建三钢闽光股份有限公司 | Control method of header system coke oven flue gas recovery system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114377526A (en) * | 2022-01-25 | 2022-04-22 | 福建三钢闽光股份有限公司 | Control method of header system coke oven flue gas recovery system |
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