CN215979615U - Outlet pipeline structure of performance heater - Google Patents
Outlet pipeline structure of performance heater Download PDFInfo
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- CN215979615U CN215979615U CN202122463428.8U CN202122463428U CN215979615U CN 215979615 U CN215979615 U CN 215979615U CN 202122463428 U CN202122463428 U CN 202122463428U CN 215979615 U CN215979615 U CN 215979615U
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Abstract
The utility model discloses an outlet pipeline structure of a performance heater, which comprises a performance heater body, a boiler hot water supply pipe, a first return pipe, a water outlet pipe, a second return pipe and a cache heat preservation tank, the performance heater body comprises a diversion cavity, a heat exchange cavity and a confluence cavity, the diversion cavity and the confluence cavity are respectively arranged at two ends of the heat exchange cavity, a plurality of heat exchange tubes are arranged in the heat exchange cavity, two ends of each heat exchange tube are respectively communicated with the flow dividing cavity and the flow converging cavity, the hot water supply pipe of the boiler is communicated with the diversion cavity, the water outlet pipe is communicated with the confluence cavity, the water outlet pipe is provided with a temperature probe, the water outlet pipe is respectively connected with the water outlet pipe and the first return pipe, the first return pipe is communicated to the cache heat-preservation tank, and the second return pipe is respectively communicated with the cache heat-preservation tank and the diversion cavity. This technical scheme is used for solving current power plant performance heater and has the extravagant problem of heating power resource.
Description
Technical Field
The utility model belongs to the technical field of power plant equipment, and particularly relates to an outlet pipeline structure of a performance heater.
Background
The performance heater is important equipment for treating fuel gas required by a heavy-duty gas turbine of a gas power plant, and natural gas is heated to a designed value by using medium-pressure boiler hot water of a waste heat boiler so as to ensure the working efficiency of the gas turbine.
Generally, in order to ensure that the inlet temperature of the gas can reach above a designed value, in the working process of the gas turbine, the hot water of the medium-pressure boiler is in a continuous supply state, the air intake quantity of the gas turbine needs to be continuously adjusted in different periods according to the requirement of power generation, the air intake quantity of the gas is larger in some periods, the air intake quantity of the gas is smaller in some periods, when the air intake quantity of the gas is lower, the hot water discharged by the new-energy heater is still at a higher temperature, and at the moment, if the hot water is directly discharged, the waste of thermal resources is caused.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems, the utility model provides an outlet pipeline structure of a dirty performance heater, which aims to solve the problem of waste of thermal resources of the existing power plant performance heater.
The utility model provides a performance heater outlet pipeline structure, which comprises a performance heater body, a boiler hot water supply pipe, a first return pipe, a water outlet pipe, a second return pipe and a cache heat preservation tank, wherein the performance heater body comprises a diversion cavity, a heat exchange cavity and a confluence cavity, the diversion cavity and the confluence cavity are respectively arranged at two ends of the heat exchange cavity, a plurality of heat exchange pipes are arranged in the heat exchange cavity, two ends of each heat exchange pipe are respectively communicated with the diversion cavity and the confluence cavity, two ends of each heat exchange cavity are respectively provided with an air inlet and an air outlet, the boiler hot water supply pipe is communicated with the diversion cavity, the water outlet pipe is communicated with the confluence cavity, a temperature probe is arranged on the water outlet pipe, the water outlet pipe is respectively connected with the water outlet pipe and the first return pipe, a first valve is arranged on the water outlet pipe, and the first return pipe is communicated with the cache heat preservation tank, and the first return pipe is provided with a second valve, the second return pipe is respectively communicated with the cache heat-preserving tank and the diversion cavity, and the second return pipe is provided with a pressure pump.
Further, the system also comprises a controller, wherein the first valve and the second valve are both electric control valves, and the controller is respectively and electrically connected with the temperature probe, the first valve, the second valve and the booster pump.
Further, a third valve is disposed on the boiler hot water supply pipe.
When natural gas heating is carried out, in a period when the natural gas flow is small, if the temperature probe detects that the temperature in the water outlet pipe is high, the water can be drained from the water outlet pipe to the cache heat preservation tank through the first return pipe for temporary storage, when the temperature of the water outlet pipe is reduced due to increase of the natural gas flow, hot water in the cache heat preservation tank flows back to the performance heater body through the second return pipe for increasing the hot water flow, the temperature after the natural gas heating is ensured to reach a design value, and the outlet pipeline structure of the performance heater can effectively improve the energy utilization of boiler hot water and ensure the heating temperature of the natural gas.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an outlet pipeline structure of a performance heater.
Detailed Description
The utility model discloses an outlet pipeline structure of a performance heater, which can effectively improve the energy utilization of boiler hot water and ensure the heating temperature of natural gas.
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the description is only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the utility model discloses a performance heater outlet pipeline structure, which comprises a performance heater body 11, a boiler hot water supply pipe 7, a first return pipe 17, a water outlet pipe 12, a water outlet pipe 14, a second return pipe 8 and a buffer heat preservation tank 18, wherein the performance heater body 11 comprises a diversion cavity 5, a heat exchange cavity 3 and a confluence cavity 1, the diversion cavity 5 and the confluence cavity 1 are respectively arranged at two ends of the heat exchange cavity 3, a plurality of heat exchange pipes 4 are arranged in the heat exchange cavity 3, two ends of each heat exchange pipe 4 are respectively communicated with the diversion cavity 5 and the confluence cavity 1, two ends of the heat exchange cavity 3 are respectively provided with an air inlet 2 and an air outlet 10, the boiler hot water supply pipe 7 is communicated with the diversion cavity 5, the water outlet pipe 12 is communicated with the confluence cavity 1, the water outlet pipe 12 is provided with a temperature probe 13, the water outlet pipe 12 is respectively connected with the water outlet pipe 14 and the first return pipe 17, the drain pipe 14 is provided with a first valve 15, the first return pipe 17 is communicated with the cache heat preservation tank 18, the first return pipe 17 is provided with a second valve 16, the second return pipe 8 is respectively communicated with the cache heat preservation tank 18 and the diversion cavity 5, and the second return pipe 8 is provided with a pressure pump 9.
The automatic control system is characterized by further comprising a controller, wherein the first valve 15 and the second valve 16 are both electric control valves, and the controller is electrically connected with the temperature probe 13, the first valve 15, the second valve 16 and the booster pump 9 respectively.
And a third valve 6 is arranged on the boiler hot water supply pipe 7.
When natural gas heating is carried out, in a time period when the natural gas flow is small, if the temperature probe 13 detects that the temperature in the water outlet pipe 12 is high, the water can be drained from the water outlet pipe 12 through the first backflow pipe 17 and flows back to the cache heat-preserving tank 18 for temporary storage, when the temperature of the water outlet pipe 12 is reduced due to the increase of the natural gas flow, hot water in the cache heat-preserving tank 18 flows back to the performance heater body 11 through the second backflow pipe 8 to increase the hot water flow, the temperature after the natural gas heating is guaranteed to reach a design value, the performance heater outlet pipeline structure can effectively improve the energy utilization of boiler hot water, and the heating temperature of the natural gas is guaranteed.
The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.
Claims (3)
1. A performance heater outlet pipeline structure is characterized by comprising a performance heater body, a boiler hot water supply pipe, a first backflow pipe, a water outlet pipe, a second backflow pipe and a cache heat preservation tank, wherein the performance heater body comprises a diversion cavity, a heat exchange cavity and a confluence cavity, the diversion cavity and the confluence cavity are respectively arranged at two ends of the heat exchange cavity, a plurality of heat exchange pipes are arranged in the heat exchange cavity, two ends of each heat exchange pipe are respectively communicated with the diversion cavity and the confluence cavity, two ends of each heat exchange cavity are respectively provided with an air inlet and an air outlet, the boiler hot water supply pipe is communicated with the diversion cavity, the water outlet pipe is communicated with the confluence cavity, a temperature probe is arranged on the water outlet pipe, the water outlet pipe is respectively connected with the water outlet pipe and the first backflow pipe, a first valve is arranged on the water outlet pipe, and the first backflow pipe is communicated with the cache heat preservation tank, and the first return pipe is provided with a second valve, the second return pipe is respectively communicated with the cache heat-preserving tank and the diversion cavity, and the second return pipe is provided with a pressure pump.
2. The outlet pipeline structure of the performance heater as claimed in claim 1, further comprising a controller, wherein the first valve and the second valve are electrically controlled valves, and the controller is electrically connected to the temperature probe, the first valve, the second valve and the pressure pump, respectively.
3. The outlet piping structure of claim 1, wherein said boiler hot water supply pipe is provided with a third valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122463428.8U CN215979615U (en) | 2021-10-13 | 2021-10-13 | Outlet pipeline structure of performance heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122463428.8U CN215979615U (en) | 2021-10-13 | 2021-10-13 | Outlet pipeline structure of performance heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215979615U true CN215979615U (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122463428.8U Active CN215979615U (en) | 2021-10-13 | 2021-10-13 | Outlet pipeline structure of performance heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215979615U (en) |
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2021
- 2021-10-13 CN CN202122463428.8U patent/CN215979615U/en active Active
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