CN217712693U - Standby driving device for small heat supply steam turbine - Google Patents
Standby driving device for small heat supply steam turbine Download PDFInfo
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- CN217712693U CN217712693U CN202220994950.0U CN202220994950U CN217712693U CN 217712693 U CN217712693 U CN 217712693U CN 202220994950 U CN202220994950 U CN 202220994950U CN 217712693 U CN217712693 U CN 217712693U
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Abstract
The utility model provides a reserve drive arrangement of little steam turbine of heat supply, including the little steam turbine of first heat supply, second heat supply little steam turbine and reserve air supply, the little steam turbine of first heat supply links to each other with reserve air supply through first heat supply pipeline, the little steam turbine of second heat supply links to each other with reserve air supply through second heat supply pipeline, it is equipped with first steam supply governing valve to connect on the first heat supply pipeline, it is equipped with first steam supply motor door to be located first steam supply governing valve and connect on being close to reserve air supply one side pipeline, it is equipped with second steam supply motor door to connect on the second heat supply pipeline, it is close to reserve air supply one side pipeline and connects on being close to second steam supply governing valve, heat supply extraction pressure reduces when little steam turbine of heat supply pressure is not enough, in time switch to the reserve drive arrangement of little steam turbine of heat supply, avoid giving up the commentaries on classics, withdraw from, the little steam turbine of heat supply switches to the reserve drive arrangement of little steam turbine of heat supply during the stop or start, need not start the electronic circulating water pump, the power consumption is improved, the safety of operation, economy.
Description
Technical Field
The utility model mainly relates to a heat supply unit degree of depth peak shaving and the energy-conserving technical field of heat supply specifically are a reserve drive arrangement of little steam turbine of heat supply.
Background
When the heat supply unit participates in deep peak regulation, the pressure of heat supply steam extraction is reduced, so that the pressure of steam supply of the small heat supply steam turbine is insufficient, and the small heat supply steam turbine of the heat supply circulating water pump is forced to exit from operation due to loss and rotation; and the heat supply circulating water pump driven by the small heat supply steam turbine cannot be used during the stop operation of the heat supply unit or the start-stop period of the unit, and only the standby electric circulating water pump can be started. Frequent switching of the steam pump and the electric pump during deep peak regulation, shutdown maintenance of the steam pump and energy consumption seriously affect the safety and the economical efficiency of the operation of a heat supply circulating water system.
SUMMERY OF THE UTILITY MODEL
The utility model mainly provides a reserve drive arrangement of little steam turbine of heat supply for solve the technical problem who proposes among the above-mentioned background art.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
the utility model provides a reserve drive arrangement of little steam turbine of heat supply, includes first little steam turbine of heat supply, second heat supply little steam turbine and reserve air supply, first little steam turbine of heat supply through first heat supply pipeline with reserve air supply is connected, the little steam turbine of second heat supply pass through second heat supply pipeline with reserve air supply is connected, first heat supply pipeline is connected on the road and is provided with first steam supply governing door, is located first steam supply governing door is close to and is provided with first steam supply electric door on the pipeline of reserve air supply one side, is located first steam supply electric door is close to and connects on the pipeline of reserve air supply one side and is equipped with first drainage mechanism, second heat supply pipeline is connected on the road and is provided with second steam supply governing door, is located second steam supply governing door is close to and connects on the pipeline of reserve air supply one side and is provided with second steam supply electric door, is located second steam supply electric door is close to and connects on the pipeline of reserve air supply one side and is equipped with second drainage mechanism.
Furthermore, first drainage mechanism is including first drain pipe, connect on the first drain pipe and be provided with first drainage door, be located first drainage door is kept away from first heat supply pipeline one side pipeline and is connected and be provided with first steam trap.
Furthermore, the second drainage mechanism comprises a second drainage pipe, a second drainage door is connected to the second drainage pipe, and a second steam trap is connected to one side, far away from the second heat supply pipeline, of the second drainage door.
Furthermore, be located first heat supply steam extraction pipe is provided with in the connection of first heat supply steam governing door near first heat supply small turbine one side on the first heat supply pipeline, connect on the first heat supply steam extraction pipe and be provided with first heat supply steam extraction electrically operated gate, be located first heat supply steam extraction pipe first heat supply steam extraction electrically operated gate is kept away from first heat supply small turbine one side and is connected and be provided with first heat supply steam extraction drain pipe, first heat supply steam extraction drain pipe is gone up to connect and is provided with first heat supply steam extraction drain valve and first heat supply steam extraction drain ware.
Furthermore, be located second heat supply pipeline goes up the connection of second steam supply governing valve near the little steam turbine of second heat supply one side and is provided with second heat supply steam extraction pipe, connect on the second heat supply steam extraction pipe and be provided with second heat supply steam extraction electrically operated gate, be located second heat supply steam extraction pipe the second heat supply steam extraction electrically operated gate is kept away from the little steam turbine of second heat supply one side and is connected and be provided with second heat supply steam extraction trap, second heat supply steam extraction trap is last to connect and is provided with second heat supply steam extraction drainage door and second heat supply steam extraction trap.
Furthermore, the first heat supply small steam turbine is provided with a first heat supply exhaust pipe and a first heat supply circulating water pump in a connected mode.
Furthermore, a second heat supply exhaust pipe and a second heat supply circulating water pump are connected and arranged on the second heat supply small steam turbine.
Compared with the prior art, the beneficial effects of the utility model are that:
when the heat supply unit participates in deep peak regulation and the heat supply extraction pressure reduces the insufficient steam supply pressure of the small heat supply steam turbine, the standby driving device of the small heat supply steam turbine is switched in time to avoid the rotation loss and the exit; the small heat supply steam turbine is switched to the standby driving device of the small heat supply steam turbine during the stop operation of the heat supply unit or the start and stop periods of the unit, an electric circulating water pump does not need to be started, the service power is saved, and the safety and the economical efficiency of the heat supply operation are improved.
The present invention will be explained in detail with reference to the drawings and specific embodiments.
Drawings
Fig. 1 is an overall schematic view of the present invention;
FIG. 2 is a schematic connection diagram of the present invention;
fig. 3 is a schematic diagram of the circuit connection of the present invention.
In the figure: 1. a first heat supply small steam turbine; 11. a first heat supply exhaust pipe; 12. a first heat supply circulating water pump; 2. a second heat supply small steam turbine; 21. a second heat supply exhaust pipe; 22. a second heat supply circulating water pump; 3. a standby air source; 4. a first heat supply pipeline; 41. a first steam supply regulating valve; 42. a first steam supply electric door; 43. a first draining mechanism; 431. a first drain pipe; 432. a first hydrophobic gate; 433. a first steam trap; 44. a first heat supply steam extraction pipe; 441. a first heat supply steam extraction electric door; 442. a first heat supply steam extraction drain pipe; 443. a first heat supply steam extraction and drainage door; 444. a first heat supply steam extraction steam trap; 5. a second heat supply pipeline; 51. a second steam supply regulating valve; 52. a second steam supply electric door; 53. a second water draining mechanism; 531. a second drain pipe; 532. a second hydrophobic gate; 533. a second steam trap; 55. a second heat supply steam extraction pipe; 551. a second heat supply steam extraction electric door; 552. a second heat supply steam extraction drain pipe; 553. a second heat supply steam extraction and drainage door; 554. and the second heat supply steam extraction steam trap.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Please refer to fig. 1-3, a standby driving device for a small heat supply steam turbine includes a first small heat supply steam turbine 1, a second small heat supply steam turbine 2 and a standby air source 3, the first small heat supply steam turbine 1 is connected with the standby air source 3 through a first heat supply pipeline 4, the second small heat supply steam turbine 2 is connected with the standby air source 3 through a second heat supply pipeline 5, a first steam supply regulating door 41 is connected on the first heat supply pipeline 4, a first steam supply electric door 42 is connected on a pipeline on one side of the first steam supply regulating door 41 close to the standby air source 3, a first drainage mechanism 43 is connected on a pipeline on one side of the first steam supply electric door 42 close to the standby air source 3, a second steam supply regulating door 51 is connected on the second heat supply pipeline 5, a second steam supply electric door 52 is connected on a pipeline on one side of the second steam supply electric door 51 close to the standby air source 3, a second drainage mechanism 53 is connected on one side of the second steam supply electric door 52 close to the standby air source 3, the first drainage mechanism 43 includes a first heat supply pipe, a first heat supply pipe 431 is connected on one side of the second steam supply electric door 52 close to the standby air source 3, a second drainage mechanism 432 is connected on a second drainage pipe 432, a second drainage pipe 531, a second drainage pipe 432 is connected on one side of the second drainage pipe 51, a second drainage pipe is connected on the second drainage pipe 432, a second drainage pipe line 531, a second drainage pipe is connected on a second drainage pipe 432 is connected on one side of the second drainage pipe 432, a second drainage pipe 432 is connected on the second drainage pipe 432, a second drainage pipe line 531, a second drainage pipe 432 is connected on one side of the second drainage pipe 432 is provided, a second drainage pipe 432 is provided, and a second drainage pipe 432 is provided, a second drainage pipe line 531, a second drainage pipe line connected on the second drainage pipe 432 is provided, and a second drainage pipe 432 is provided.
Please refer to fig. 2 and 3, the first steam supply adjusting door 41 on the first heat supply pipeline 4 is connected to the side close to the first heat supply small steam turbine 1 and is provided with a first heat supply steam extraction pipe 44, the first heat supply steam extraction pipe 44 is connected to the first heat supply steam extraction electric door 441, the first heat supply steam extraction electric door 441 on the first heat supply steam extraction pipe 44 is connected to the side away from the first heat supply small steam turbine 1 and is provided with a first heat supply steam extraction drain pipe 442, the first heat supply steam extraction drain pipe 442 is connected to the first heat supply steam extraction electric door 443 and is provided with a first heat supply steam extraction drain 444, the second steam supply adjusting door 51 on the second heat supply pipeline 5 is connected to the side close to the second heat supply small steam turbine 2 and is provided with a second heat supply steam extraction pipe 55, the second heat supply steam extraction pipe 55 is connected to the second heat supply steam extraction electric door 551, the second heat supply steam extraction electric door 551 on the second heat supply steam extraction pipe 55 is connected with the second heat supply steam extraction drain pipe 552 away from the second heat supply small steam turbine 2, the second heat supply steam extraction drain pipe 552 is connected with the second heat supply steam extraction drain pipe 553 and the second heat supply steam extraction drain 554, the first heat supply small steam turbine 1 is connected with the first heat supply exhaust pipe 11 and the first heat supply circulating water pump 12, the second heat supply small steam turbine 2 is connected with the second heat supply exhaust pipe 21 and the second heat supply circulating water pump 22, the first steam supply electric door 42, the second steam supply electric door 52, the first heat supply steam extraction electric door 441 and the second heat supply steam extraction electric door 551 are connected with an external controller through lead wires, the first steam supply electric door 42, the second steam supply electric door 52, the first heat supply steam extraction electric door 441 and the second heat supply steam extraction electric door 551 are controlled by the controller to start and stop, and stop are convenient for an operator to operate.
The utility model discloses a concrete operation as follows:
when the heat supply unit participates in deep peak regulation, the reduction of the heat supply steam extraction pressure can lead to insufficient steam supply pressure of the heat supply small steam turbine, the standby gas source 3 is opened to the first steam supply electric door 42 of the first heat supply small steam turbine 1, the standby gas source 3 is adjusted to the first steam supply adjusting door 41 of the first heat supply small steam turbine 1, the steam supply pressure after door regulation is consistent with the steam supply from the first heat supply steam extraction pipe 44 to the first heat supply small steam turbine 1, the first heat supply steam extraction pipe 44 is slowly closed to the first heat supply steam extraction electric door 441 of the first heat supply small steam turbine 1, the standby gas source 3 is adjusted to the first steam supply adjusting door 41 of the first heat supply small steam turbine 1, the steam supply pressure is ensured to meet the safe operation of the first heat supply small steam turbine 1, the first heat supply steam extraction pipe 44 is completely closed to the first heat supply steam extraction electric door 441 of the first heat supply small steam turbine 1, after the steam supply pressure is adjusted to the pressure required by the first heat supply small steam turbine 1, a set value is given, the steps from the standby gas source 3 to the first heat supply small steam turbine 1 and the first steam supply adjusting valve 41 are automatically set, the switching is finished, the work is finished, the steps from the standby gas source 3 to the second heat supply small steam turbine 2 are the same as the steps from the standby gas source 3 to the first heat supply small steam turbine 1, the heat supply unit stops running or the heat supply small steam turbine is switched to the standby driving device of the heat supply small steam turbine during the starting and stopping of the unit, the heat supply unit is not started, the standby gas source 3 can be directly used for providing driving force for the first heat supply small steam turbine 1, the heat supply unit is ready to stop running, the first heat supply steam extraction pipe 44 to the first heat supply small steam turbine 1 is timely switched to the standby gas source 3 before the running is stopped, and the running is continued during the stopping.
The above description is taken as an example to describe the present invention with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, as long as the present invention is adopted, the method concept and the technical solution of the present invention are performed to perform this kind of insubstantial improvement, or the concept and the technical solution of the present invention are directly applied to other occasions without improvement, all within the protection scope of the present invention.
Claims (7)
1. The utility model provides a reserve drive arrangement of little steam turbine of heat supply, includes first little steam turbine of heat supply (1), second little steam turbine of heat supply (2) and reserve air supply (3), a serial communication port, first little steam turbine of heat supply (1) through first heat supply pipeline (4) with reserve air supply (3) are connected, second little steam turbine of heat supply (2) through second heat supply pipeline (5) with reserve air supply (3) are connected, it is provided with first steam supply governing valve (41) to connect on first heat supply pipeline (4), is located first steam supply governing valve (41) are close to and are connected on reserve air supply (3) one side pipeline and are provided with first steam supply electric valve (42), are located first steam supply electric valve (42) are close to and connect on reserve air supply (3) one side pipeline and are equipped with first drainage mechanism (43), it is provided with second steam supply governing valve (51) to connect on second steam supply governing valve (5) and is provided with second steam supply governing valve (51), is located second steam supply governing valve (51) are close to and are provided with on reserve air supply governing valve (3) one side pipeline and connect second drainage mechanism (52), are close to and are equipped with second steam supply governing mechanism (52).
2. The standby driving device for the small heat-supply steam turbine as claimed in claim 1, wherein the first water draining mechanism (43) comprises a first water draining pipe (431), a first water draining door (432) is connected to the first water draining pipe (431), and a first water trap (433) is connected to a pipeline on one side of the first water draining door (432) away from the first heat-supply pipeline (4).
3. A small steam turbine standby driving device as claimed in claim 1, wherein the second drain mechanism (53) comprises a second drain pipe (531), a second drain door (532) is connected to the second drain pipe (531), and a second steam trap (533) is connected to a side of the second drain door (532) far from the second heat supply pipeline (5).
4. A standby driving device for a small heat-supply steam turbine according to claim 1, wherein a first heat-supply steam extraction pipe (44) is connected to a side, close to the first small heat-supply steam turbine (1), of a first steam supply regulating valve (41) on the first heat-supply pipeline (4), a first heat-supply steam extraction electric door (441) is connected to the first heat-supply steam extraction pipe (44), a first heat-supply steam extraction drain pipe (442) is connected to a side, away from the first small heat-supply steam turbine (1), of the first heat-supply steam extraction electric door (441) on the first heat-supply steam extraction pipe (44), and a first heat-supply steam extraction drain door (443) and a first heat-supply steam extraction drain (444) are connected to the first heat-supply steam extraction drain pipe (442).
5. The backup driving device for the small heat-supply steam turbine according to claim 1, characterized in that a second heat-supply steam extraction pipe (55) is connected to one side of a second steam supply regulating valve (51) on the second heat-supply pipeline (5) close to the small heat-supply steam turbine (2), a second heat-supply steam extraction electric door (551) is connected to the second heat-supply steam extraction pipe (55), a second heat-supply steam extraction drain pipe (552) is connected to one side of the second heat-supply steam extraction electric door (551) far from the small heat-supply steam turbine (2) on the second heat-supply steam extraction pipe (55), and a second heat-supply steam extraction drain valve (553) and a second heat-supply steam extraction drain (554) are connected to the second heat-supply steam extraction drain pipe (552).
6. A backup drive for a small heat-supply steam turbine according to claim 1, characterized in that the first small heat-supply steam turbine (1) is provided with a first heat-supply exhaust pipe (11) and a first heat-supply circulating water pump (12) in connection.
7. A backup drive for a small heat-supply steam turbine according to claim 1, characterized in that the second small heat-supply steam turbine (2) is provided with a second heat-supply exhaust pipe (21) and a second heat-supply circulating water pump (22) in connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220994950.0U CN217712693U (en) | 2022-04-27 | 2022-04-27 | Standby driving device for small heat supply steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220994950.0U CN217712693U (en) | 2022-04-27 | 2022-04-27 | Standby driving device for small heat supply steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217712693U true CN217712693U (en) | 2022-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220994950.0U Active CN217712693U (en) | 2022-04-27 | 2022-04-27 | Standby driving device for small heat supply steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217712693U (en) |
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2022
- 2022-04-27 CN CN202220994950.0U patent/CN217712693U/en active Active
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