CN214577214U - Auxiliary steam header system and power supply system - Google Patents
Auxiliary steam header system and power supply system Download PDFInfo
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- CN214577214U CN214577214U CN202022714651.0U CN202022714651U CN214577214U CN 214577214 U CN214577214 U CN 214577214U CN 202022714651 U CN202022714651 U CN 202022714651U CN 214577214 U CN214577214 U CN 214577214U
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Abstract
The utility model discloses an auxiliary steam header system and a power supply system, wherein, the auxiliary steam header system comprises an auxiliary steam header, a steam pipeline for small machine debugging, a first stop valve and a balance pipe, and the auxiliary steam header is used for generating high-temperature steam; a steam pipeline for small machine debugging is communicated with the auxiliary steam header; the first stop valve is arranged between the steam pipeline for the small machine debugging and the auxiliary steam header or arranged on the steam pipeline for the small machine debugging; the two ends of the balance pipe are respectively communicated with the auxiliary steam header and the steam pipeline for the small machine debugging, and the balance pipe is located at one end, far away from the auxiliary steam header, of the first stop valve. The utility model discloses technical scheme's auxiliary steam header system can get rid of the comdenstion water between the steam pipe way for first stop valve and the small machine debugging, avoids haring the blade of steam turbine.
Description
Technical Field
The utility model relates to a steam turbine technical field, in particular to assist vapour header system and power supply system.
Background
The auxiliary steam header system in the related technology comprises an auxiliary steam internal gas source pipeline, an auxiliary steam header and a steam pipeline for small machine debugging, which are sequentially communicated, wherein a stop valve is arranged between the steam pipeline for small machine debugging and the auxiliary steam header; after the stop valve stops the flow path between the steam pipeline for small machine debugging and the auxiliary steam header, the steam pipeline for small machine debugging is greatly reduced in temperature, so that more water vapor is condensed to form condensed water, the condensed water is accumulated between the stop valve and the steam pipeline for small machine debugging, and the accumulated condensed water can cause damage to blades of a steam turbine due to vibration caused by water attack and water inflow of a small steam turbine.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an assist vapour header system and power supply system, aim at getting rid of the comdenstion water between the vapour pipeline for first stop valve and the little machine debugging, avoid haring the blade of steam turbine.
In order to achieve the above object, the utility model provides an assist vapour header system, assist vapour header system includes:
the auxiliary steam header is used for generating high-temperature steam;
the steam pipeline for the small machine debugging is communicated with the auxiliary steam header;
the first stop valve is arranged between the steam pipeline for the small machine debugging and the auxiliary steam header or arranged on the steam pipeline for the small machine debugging; and
and the two ends of the balance pipe are respectively communicated with the auxiliary steam header and the steam pipeline for the small machine debugging, and the balance pipe is positioned at one end, far away from the auxiliary steam header, of the first stop valve.
In one embodiment, the auxiliary steam header system further comprises a second stop valve provided in the balance pipe.
In an embodiment, the auxiliary steam header system further includes a third stop valve disposed on the balance pipe, and the third stop valve is spaced from the second stop valve.
In one embodiment, the balance tube is a helical tube.
In one embodiment, the outer wall of the steam pipeline for debugging the small machine is provided with an insulating layer.
In one embodiment, the pipe diameter of the balance pipe is smaller than that of the steam pipeline for debugging the small machine.
In an embodiment, the auxiliary steam header system further comprises a main controller and a temperature sensor arranged in the steam pipeline for the small machine debugging, the temperature sensor is arranged at an interval with the first stop valve and is electrically connected with the main controller, and the temperature sensor is used for detecting the temperature change of the steam pipeline for the small machine debugging so as to enable the main controller to control the opening and closing of the second stop valve and the third stop valve.
In an embodiment, the auxiliary steam header system further includes a water level sensor disposed in the steam pipeline for the mini-machine debugging, the water level sensor is electrically connected to the main controller, and the water level sensor is disposed at an interval with the first stop valve and the temperature sensor and is used for detecting the water depth of the steam pipeline for the mini-machine debugging.
In an embodiment, the auxiliary steam header system further comprises a prompting lamp arranged on the outer wall of the auxiliary steam header, wherein the prompting lamp is electrically connected with the main controller and used for prompting a user whether water is accumulated in a steam pipeline during debugging of the small machine.
The utility model discloses still provide a power supply system, power supply system includes assist vapour header system and steam turbine, the steam turbine with assist vapour header system the steam pipe connection on probation of little quick-witted strip.
The utility model adopts the technical proposal that the auxiliary steam header system comprises an auxiliary steam header, a steam pipeline for small machine debugging, a first stop valve and a balance pipe, wherein the auxiliary steam header is used for generating high-temperature steam; the steam pipeline for the small machine debugging is communicated with the auxiliary steam header; the first stop valve is arranged between the steam pipeline for the small machine debugging and the auxiliary steam header or arranged in the steam pipeline for the small machine debugging; two ends of the balance pipe are respectively communicated with the auxiliary steam header and a steam pipeline for small machine debugging, and the balance pipe is positioned at one end of the first stop valve, which is far away from the auxiliary steam header; so set up, continue to let in the high temperature steam of assisting the vapour header through the balance pipe for the steam conduit for the small computer debugging keeps high temperature, and then the air in the steam conduit for the small computer debugging can not the heat transfer condensation form ponding, thereby gets rid of the comdenstion water between the steam conduit for first stop valve and the small computer debugging, avoids damaging the blade of steam turbine.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of the auxiliary steam header system of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | |
50 | |
| 10 | |
60 | |
| 20 | Steam pipeline for debugging |
70 | |
| 30 | |
80 | |
| 40 | Balance tube |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides an auxiliary steam header system.
In the embodiment of the present invention, referring to fig. 1, the auxiliary steam header system includes an auxiliary steam header 10, a steam pipeline 20 for small machine debugging, a first stop valve 30 and a balance pipe 40, wherein the auxiliary steam header 10 is used for generating high temperature steam; a steam pipeline 20 for debugging the small machine is communicated with the auxiliary steam header 10; the first stop valve 30 is arranged between the steam pipeline 20 for small machine debugging and the auxiliary steam header 10 or arranged in the steam pipeline for small machine debugging; the two ends of the balance pipe 40 are respectively communicated with the auxiliary steam header 10 and the steam pipeline 20 for the small machine debugging, and the balance pipe 40 is positioned at one end of the first stop valve 30 far away from the auxiliary steam header 10.
In this embodiment, the steam pipeline 20 for small machine debugging is communicated with the steam turbine body, and after the steam turbine body is started, the steam pipeline 20 for small machine debugging brings high-temperature steam into the steam turbine body through the auxiliary steam header 10, so that the steam turbine body can run to generate power; when the steam turbine body does not start, control first stop valve 30 and close, the disconnection tip turbine is transferred and is used steam conduit 20 and the being connected of assisting vapour header 10, steam conduit 20 does not have the letting in of the high temperature steam of assisting vapour header 10 for the tip turbine is transferred this moment, make the tip turbine in the steam conduit 20 temperature reduction of using, continue to let in the high temperature steam of assisting vapour header 10 through balance pipe 40 this moment, steam conduit 20 keeps high temperature for the tip turbine is transferred, and then air in the steam conduit 20 can not the heat transfer condensation formation ponding for the tip turbine is transferred, thereby get rid of the comdenstion water between steam conduit 20 for the first stop valve 30 and the tip turbine, avoid damaging the blade of steam turbine. It should be noted that when the auxiliary steam header system is operating normally, the steam pipeline 20 for the debugging of the small machine is in communication with the steam turbine and the first stop valve 30.
The utility model discloses a technical scheme's auxiliary vapour header system includes auxiliary vapour header 10, little machine debugging steam pipe 20, first stop valve 30 and balance pipe 40, and auxiliary vapour header 10 is used for letting in high temperature steam; the steam pipeline 20 for the small machine debugging is communicated with the auxiliary steam header 10; the first stop valve 30 is arranged between the steam pipeline 20 for the small machine debugging and the auxiliary steam header 10; two ends of the balance pipe 40 are respectively communicated with the auxiliary steam header 10 and the steam pipeline 20 for small machine debugging, and the balance pipe 40 is positioned at one end of the first stop valve 30 far away from the auxiliary steam header 10; so set up, continue to let in the high temperature steam of assisting vapour header 10 through balance pipe 40 for the steam pipe 20 keeps high temperature for the small machine debugging, and then the air in the steam pipe 20 can not the heat transfer condensation form ponding for the small machine debugging, thereby get rid of the comdenstion water between the steam pipe 20 for the stop valve and the small machine debugging, avoid haring the blade of steam turbine.
In one embodiment, referring to FIG. 1, the auxiliary steam header system further includes a second shut-off valve 50 disposed in the balancing pipe 40.
In this embodiment, the balance pipe 40 includes a first pipe and a second pipe connected to the first pipe, one end of the first pipe, which is far away from the second pipe, is connected to the steam pipe 20 for the debugging of the small computer, one end of the second pipe, which is far away from the first pipe, is connected to the auxiliary steam header, and the second stop valve 50 is specifically disposed in the second pipe of the balance pipe; after the first stop valve 30 breaks the connecting line between the steam pipeline 20 for the minor tune away and the auxiliary steam header 10, the second stop valve 50 is controlled to be opened at this moment, so that the balance pipe 40 is communicated with the steam pipeline 20 for the minor tune away and the auxiliary steam header 10, high-temperature steam in the auxiliary steam header 10 is introduced into the steam pipeline 20 for the minor tune away through the balance pipe 40, the temperature in the steam pipeline 20 for the minor tune away is increased, and the heat exchange and condensation of the steam pipeline 20 for the minor tune away are avoided. After the first stop valve 30 opens the communication pipeline for communicating the steam pipeline 20 for the small machine debugging and the auxiliary steam header 10, the second stop valve 50 is controlled to be closed at the moment, so that the auxiliary steam header 10 enters the steam pipeline 20 for the small machine debugging again according to the original pipeline.
In one embodiment, referring to fig. 1, the auxiliary steam header system further includes a third stop valve 60 disposed on the balance pipe 40, and the third stop valve 60 is spaced apart from the second stop valve 50.
In this embodiment, a third shut-off valve 60 is provided in the first conduit, adjacent to the steam line 20 for the turndown of the machine; if the second stop valve 50 is in failure, the connection or disconnection of the balance pipe 40 can be controlled through the third stop valve 60 on the balance pipe 40, so that the normal operation of the balance pipe 40 is ensured, and the stability of the auxiliary steam header system is improved.
In one embodiment, referring to FIG. 1, the balance tube 40 is a helical tube. So set up, through the length of extension balance pipe 40, and then increase balance pipe 40's volume to make more high temperature steam can get into steam pipe 20 for the microcomputer debugging, make steam pipe 20 for the microcomputer debugging also can keep high temperature under first check valve 30 closed condition, thereby make the unable heat transfer condensation of vapor in the air gather steam pipe 20 for the microcomputer debugging.
In one embodiment, referring to fig. 1, the outer wall of the steam pipeline 20 for debugging the small machine is provided with an insulating layer. So set up, close when first check valve 30 for steam pipe 20 is used in the small machine debugging can't directly follow first check valve 30 and pass into high temperature steam, and the heat preservation can suitably slow down the cooling rate of steam pipe 20 is used in the small machine debugging, thereby lets balance pipe 40 have sufficient time with the small machine debugging steam pipe 20 promotes the temperature again.
In one embodiment, referring to FIG. 1, the balance tube 40 has a tube diameter less than the tube diameter of the steam line 20 for the debugging of the machine. So set up for balance pipe 40 only needs to let in the steam pipe way 20 for the small airplane debugging with the partial high temperature steam of assisting vapour header 10, can promote the steam pipe way 20 for the small airplane debugging, and can avoid too much high temperature steam to get into the steam pipe way 20 for the small airplane debugging, leads to starting to operate with the steam turbine of the steam pipe way 20 for the small airplane debugging at the high temperature steam drive that does not have sufficient volume, influences the normal operating of steam turbine.
In an embodiment, referring to fig. 1, the auxiliary steam header system further includes a main controller and a temperature sensor 70 disposed in the steam pipe 20 for the debugging of the small machine, wherein the temperature sensor 70 is disposed at an interval from the first cut-off valve 30 and electrically connected to the main controller; the temperature sensor 70 is used for detecting the temperature change of the steam pipeline 20 for the debugging of the small machine, so that the main controller controls the opening and closing of the second stop valve 50 and the third stop valve 60.
In this embodiment, after temperature sensor 70 detected the temperature reduction of steam pipe 20 for the cell debugging, sent the signal of telecommunication to the master controller, the master controller in time controlled opening of second stop valve 50 and third stop valve 60 according to the signal of telecommunication to steam pipe 20 and auxiliary steam header 10 are used in usable balance pipe 40 intercommunication cell debugging, make the cell debugging steam pipe 20 keep high temperature.
In an embodiment, referring to fig. 1, the auxiliary steam header system further includes a water level sensor 80 disposed in the steam pipe 20 for the debugging of the small machine, the water level sensor 80 is electrically connected to the main controller, and the water level sensor 80 is disposed at an interval from the first cut-off valve 30 and the temperature sensor 70, and is configured to detect a water depth of the steam pipe 20 for the debugging of the small machine.
In this embodiment, after the steam turbine and the auxiliary steam header 10 both stop for a short time, the air in the steam pipeline 20 for the small machine debugging still exchanges heat and is condensed into condensed water; at this moment, detect the ponding water level of steam pipe 20 for the cell debugging through level sensor 80, after there is ponding in steam pipe 20 for the cell debugging, the master controller is according to the signal of telecommunication that level sensor 80 sent, and then control second stop valve 50 or third stop valve 60 and open to steam pipe 20 for the cell debugging lets in high temperature through balance pipe 40 and keeps high temperature.
In an embodiment, referring to fig. 1, the auxiliary steam header system further includes a prompting lamp disposed on an outer wall of the auxiliary steam header 10, and the prompting lamp is electrically connected to the main controller and is used for prompting whether water is accumulated in the steam pipeline 20 for debugging the microcomputer. So set up, after water level sensor 80 detected that steam pipe 20 has ponding for the cell debugging, master controller control warning light shines to steam pipe 20 has ponding for the user cell debugging of suggestion user, makes the user can carry out the management and control work on next step according to the suggestion of warning light.
The utility model also provides a power supply system, this power supply system include auxiliary steam header system and steam turbine, and the steam turbine is steam pipe connection on probation with the little rack of auxiliary steam header system, and the concrete structure of this auxiliary steam header system refers to above-mentioned embodiment, because this power supply system has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is not repeated here one by one again.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. An auxiliary steam header system, comprising:
the auxiliary steam header is used for generating high-temperature steam;
the steam pipeline for the small machine debugging is communicated with the auxiliary steam header;
the first stop valve is arranged between the steam pipeline for the small machine debugging and the auxiliary steam header or arranged on the steam pipeline for the small machine debugging; and
and the two ends of the balance pipe are respectively communicated with the auxiliary steam header and the steam pipeline for the small machine debugging, and the balance pipe is positioned at one end, far away from the auxiliary steam header, of the first stop valve.
2. The auxiliary steam header system of claim 1 further comprising a second stop valve disposed in the balance pipe.
3. The auxiliary steam header system of claim 2 further comprising a third stop valve disposed in the balance tube, the third stop valve being spaced from the second stop valve.
4. The auxiliary steam header system of claim 1 wherein the balance tube is a helical tube.
5. The auxiliary steam header system of claim 1, wherein the outer wall of the steam pipeline for the debugging of the small machine is provided with an insulating layer.
6. The auxiliary steam header system of claim 1 wherein the balance pipe has a pipe diameter less than a pipe diameter of the steam line for the minor tune.
7. The auxiliary steam header system as claimed in claim 3, further comprising a main controller and a temperature sensor arranged in the steam pipeline for the small machine debugging, wherein the temperature sensor is arranged at a distance from the first stop valve and is electrically connected with the main controller, and the temperature sensor is used for detecting the temperature change of the steam pipeline for the small machine debugging so as to enable the main controller to control the opening and closing of the second stop valve and the third stop valve.
8. The auxiliary steam header system as claimed in claim 7, further comprising a water level sensor disposed in the steam pipeline for the small turbine debugging, wherein the water level sensor is electrically connected to the main controller, and the water level sensor is disposed at a distance from the first stop valve and the temperature sensor, and is configured to detect a water depth of the steam pipeline for the small turbine debugging.
9. The auxiliary steam header system of claim 8, further comprising a prompting lamp arranged on the outer wall of the auxiliary steam header, wherein the prompting lamp is electrically connected with the main controller and used for prompting a user whether water is accumulated in the steam pipeline for the debugging of the small machine.
10. A power supply system comprising an auxiliary steam header system according to any one of claims 1 to 9 and a steam turbine connected to a steam pipe for the commissioning of the auxiliary steam header system.
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| CN202022714651.0U CN214577214U (en) | 2020-11-20 | 2020-11-20 | Auxiliary steam header system and power supply system |
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| CN202022714651.0U CN214577214U (en) | 2020-11-20 | 2020-11-20 | Auxiliary steam header system and power supply system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431637A (en) * | 2020-11-20 | 2021-03-02 | 沧州华润热电有限公司 | Auxiliary steam header system and power supply system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431637A (en) * | 2020-11-20 | 2021-03-02 | 沧州华润热电有限公司 | Auxiliary steam header system and power supply system |
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