CN213930896U - Cooling system for rush repair of high-pressure heater of thermal generator set - Google Patents
Cooling system for rush repair of high-pressure heater of thermal generator set Download PDFInfo
- Publication number
- CN213930896U CN213930896U CN202022580736.4U CN202022580736U CN213930896U CN 213930896 U CN213930896 U CN 213930896U CN 202022580736 U CN202022580736 U CN 202022580736U CN 213930896 U CN213930896 U CN 213930896U
- Authority
- CN
- China
- Prior art keywords
- feed water
- high pressure
- water heater
- pressure feed
- heater
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Working Measures On Existing Buildindgs (AREA)
Abstract
The utility model relates to a cooling system for thermal generator set high pressure feed water heater salvagees, including first high pressure feed water heater, second high pressure feed water heater, the feedwater export of first high pressure feed water heater passes through the feedwater import that water supply line connects second high pressure feed water heater, and the export intercommunication boiler of second high pressure feed water heater is right when second high pressure feed water heater salvagees or overhauls, and first high pressure feed water heater connects the central air conditioning wind gap department of the meeting room of first high pressure feed water heater, second high pressure feed water heater place production field through the air pipe of interim installation, and central air conditioning wind gap department is equipped with first cooling fan, is equipped with the second cooling fan towards first high pressure feed water heater direction setting in the air pipe. Compared with the prior art, the utility model has the advantages of guarantee personnel's safety, shorten the rush-repair time, reduce power generation cost, simple structure.
Description
Technical Field
The utility model belongs to the technical field of the high pressure feed water heater cooling technique and specifically relates to a cooling system that is used for thermal generator set high pressure feed water heater to salvage.
Background
In the field of power generation, a water supply system of a thermal generator set commonly used at present is provided with a high-pressure heater. If the service life of the high-pressure heater is long, the leakage of the steel pipe is frequent, and the high-pressure heater is frequently subjected to online leakage capturing and rush repair during the operation of the unit. In the emergency repair stage, the residual heat in the container is still high and can reach 100 ℃, and the interior of the container needs to be cooled to carry out subsequent work.
The traditional cooling modes of the high-pressure heater include a natural cooling mode, a fan cooling mode and a water injection cooling mode. However, in terms of safety and practicability, the three cooling modes have certain disadvantages, especially in high-temperature weather, the three traditional cooling modes are difficult to reduce the residual temperature in the container to an ideal temperature, and the maintainers cannot enter the container to operate at all, so that certain potential safety hazards exist, the rush-repair time is increased, and inconvenience is brought to the whole rush-repair work.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cooling system for thermal generator set high pressure heater is salvageed in order to overcome the defect that above-mentioned prior art exists and when salvageing or examining and repairing the high pressure heater, can ensure personnel's safety, shorten salvage time, reduce power generation cost, simple structure.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides a cooling system for thermal generator set high pressure feed water heater salvagees, includes first high pressure feed water heater, second high pressure feed water heater, first high pressure feed water heater's water supply export is connected through the water supply pipeline the water supply import of second high pressure feed water heater, second high pressure feed water heater's export intercommunication boiler, it is right when second high pressure feed water heater salvagees or overhauls, first high pressure feed water heater connects the central air conditioning wind gap department of the meeting room in first high pressure feed water heater, second high pressure feed water heater place production field through the air pipe of interim installation, central air conditioning wind gap department is equipped with first cooling fan.
Preferably, the first high pressure heater and the second high pressure heater are respectively provided with a manhole door and a water chamber partition plate.
Preferably, one end of the ventilation pipeline is connected to the manhole door of the first high-pressure heater, and the other end of the ventilation pipeline is connected to a central air-conditioning air outlet of a conference room in a production field.
Preferably, a second cooling fan arranged towards the first high-pressure heater is arranged in the ventilation pipeline.
Preferably, the first cooling fan is an axial fan.
Preferably, the second cooling fan is an axial flow fan.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) safe and reliable: the central air conditioning air in the conference room on the production site is used as a cooling source, two cooling fans are combined for auxiliary air supply, the air pipe is communicated to the container of the high-pressure heater, and the cooling air is sent to the high-pressure heater needing to be rush-repaired by using a pipeline, so that the interior of the high-pressure heater can reach a proper working temperature, and the working safety of personnel is further ensured;
(2) the practicability is strong: the cooling system of the utility model has simple structure and convenient installation, can cool the container to about 30 ℃ in one day, and has obvious effect;
(3) the application range is wide: the method can be applied to the rush repair of all high-pressure heater equipment of a power plant, and has reference significance for the rush repair of the high-pressure heaters of the same type of units;
(4) the economy is strong: the rapid internal cooling of the high-pressure heater can be realized only by combining the central air conditioner and the two cooling fans in the conference room on the production site, the rush repair time of the high-pressure heater is greatly shortened, the power generation cost is saved, and the economic benefit can be greatly increased due to the shortened rush repair days.
Drawings
FIG. 1 is a schematic structural diagram of a cooling system for emergency repair of a high-pressure heater of a thermal generator set in an embodiment;
the reference numbers in the figures indicate:
1. the air conditioner comprises a first high-pressure heater, a second high-pressure heater, a water supply pipeline, a central air conditioner air inlet, a first cooling fan, a second cooling fan, a ventilating pipeline, a manhole door, a water chamber partition plate and a water chamber partition plate, wherein the first high-pressure heater is 2, the second high-pressure heater is 3, the water supply pipeline is 4, the central air conditioner air inlet is 5, the first cooling fan is 6, the second cooling fan is 7, the ventilating pipeline is 8, the manhole door is 9, and the water chamber partition plate is.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.
Examples
The utility model relates to a cooling system for thermal generator set high pressure feed water heater salvagees, including first high pressure feed water heater 1, second high pressure feed water heater 2, cooling fan, air pipe 7 and central air conditioning.
Each high-pressure heater is composed of a shell and a pipe system, a steam condensation section is arranged at the upper part of an inner cavity of the shell, a drainage cooling section is arranged at the lower part of the inner cavity of the shell, and a feed water inlet and a feed water outlet are respectively arranged at the top ends of a feed water inlet pipe and a feed water outlet pipe. After the superheated steam enters the shell from the inlet, the feed water in the upper main spiral pipe can be heated, after the steam is condensed into water, the condensed hot water can heat part of the feed water in the lower cooling spiral pipe, and the condensed water after being utilized flows out of the body through the drainage outlet. The utility model discloses a high pressure feed water heater is equipped with the hydroecium segmenting device who comprises manhole door 8 and hydroecium division board 9.
In this embodiment, the second high pressure heater 2 is first-aid repaired, a water supply pipeline 3 is arranged between the first high pressure heater 1 and the second high pressure heater 2, and a water supply outlet connecting pipe of the first high pressure heater 1 is connected with a water supply inlet connecting pipe of the second high pressure heater 2 through the water supply pipeline 3. The outlet of the second high-pressure heater 2 is communicated with the boiler. The central air conditioner can adopt the central air conditioner of a conference room in a production field where the high-pressure heating unit is positioned, and the central air conditioner air outlet 4 of the conference room in the production field is connected to a manhole door 8 of the first high-pressure heater 1 and a water chamber partition plate 9 through a temporary ventilation pipeline 7 by using central air conditioner air in the conference room in the production field as a cooling source. The central air conditioner air outlet 4 is also provided with a first cooling fan 5 for further sending cold air of the central air conditioner into the high-pressure heater container. So that each high-pressure heater can be cooled to a proper temperature in a short time.
In practical application, the manhole door 8 and the water chamber partition plate 9 of the second high-pressure heater 2 and the first high-pressure heater 1 are opened, the central air conditioning air outlet 4 of the conference room in the production field where the high-pressure heater is located is additionally connected with one ventilation pipeline 7 communicated to the manhole door of the first high-pressure heater 1, a second cooling fan 6 arranged towards the first high-pressure heater 1 is arranged in the ventilation pipeline 7, the second cooling fan 6 is matched, cold air is sent into the second high-pressure heater 2 through the ventilation pipeline 7, and the flow of the cooling air is as follows: producing meeting room air conditioning air → the first cooling fan → the ventilation duct → the second cooling fan → the ventilation duct → the water chamber of the first high pressure heater → the outlet pipe of the first high pressure heater → the water chamber of the second high pressure heater → the atmosphere.
In the present embodiment, axial flow fans are used as the first cooling fan 5 and the second cooling fan 6.
The utility model discloses utilize the central air conditioning wind in the on-the-spot meeting room of production as the cooling source, combine two cooling fan to assist the air supply, and in the interim ventilation pipe leads to high pressure heater's container, utilize the pipeline to connect the cooling air to lead to in the high pressure heater that needs were salvageed. The cooling system has simple principle and simple and convenient installation, can cool the container to about 30 ℃ in one day, and has obvious effect; the method can be applied to the rush repair of each high-pressure heater device of a power plant, and has reference significance for the rush repair of the high-pressure heaters of the same type of units.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides a cooling system for thermal generator set high pressure feed water heater salvagees, includes first high pressure feed water heater (1), second high pressure feed water heater (2), the feedwater export of first high pressure feed water heater (1) is connected through feed water pipeline (3) the feedwater import of second high pressure feed water heater (2), the export intercommunication boiler of second high pressure feed water heater (2), its characterized in that, it is right when second high pressure feed water heater (2) are salvageed or are overhauld, first high pressure feed water heater (1) is connected first high pressure feed water heater (1), central air conditioner wind gap department (4) of the meeting room of second high pressure feed water heater (2) place production field through air pipe (7) of interim installation, central air conditioner wind gap department (4) are equipped with first cooling fan (5).
2. The cooling system for rush repair of the high-pressure heater of the thermal generator set according to claim 1, wherein the first high-pressure heater (1) and the second high-pressure heater (2) are respectively provided with a manhole door (8) and a water chamber partition plate (9).
3. The cooling system for rush repair of the high-pressure heater of the thermal generator set according to claim 2, wherein one end of the ventilation pipeline (7) is connected to the inside of the manhole door (8) of the first high-pressure heater (1), and the other end is connected to the central air-conditioning air inlet (4) of the conference room at the production site.
4. The cooling system for rush repair of the high-pressure heater of the thermal generator set according to claim 3, wherein a second cooling fan (6) is arranged in the ventilation pipeline (7) and faces the direction of the first high-pressure heater (1).
5. The cooling system for rush repair of a high-pressure heater of a thermal generator set according to claim 1, characterized in that the first cooling fan (5) is an axial fan.
6. The cooling system for rush repair of a high-pressure heater of a thermal generator set according to claim 4, characterized in that the second cooling fan (6) is an axial fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022580736.4U CN213930896U (en) | 2020-11-10 | 2020-11-10 | Cooling system for rush repair of high-pressure heater of thermal generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022580736.4U CN213930896U (en) | 2020-11-10 | 2020-11-10 | Cooling system for rush repair of high-pressure heater of thermal generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213930896U true CN213930896U (en) | 2021-08-10 |
Family
ID=77167481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022580736.4U Active CN213930896U (en) | 2020-11-10 | 2020-11-10 | Cooling system for rush repair of high-pressure heater of thermal generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213930896U (en) |
-
2020
- 2020-11-10 CN CN202022580736.4U patent/CN213930896U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206237147U (en) | The distributed energy of liquefied natural gas plant stand utilizes system | |
| WO2019201281A1 (en) | Exhaust steam waste heat recovery heat supply system for air cooling unit of large-scale thermal power plant | |
| CN106247312A (en) | A kind of extra-supercritical unit double reheat two-shipper backheat thermodynamic system without deaerator | |
| CN107905897A (en) | Gas turbine cycle flue gas waste heat recovery and inlet gas cooling association system and method | |
| CN213930896U (en) | Cooling system for rush repair of high-pressure heater of thermal generator set | |
| CN109779699A (en) | A kind of quick start system and its operation method of energy-efficient Turbo-generator Set | |
| CN208040541U (en) | Gas turbine cycle flue gas waste heat recovery and inlet gas cooling association system | |
| CN110118346B (en) | Nuclear power starting electric boiler hot standby system and method | |
| CN209706597U (en) | A kind of air cooling system with energy recovery process | |
| CN103758591A (en) | Heat supplying system for generating power by recycling steam as function force | |
| CN110671158A (en) | High-pressure cylinder air pre-warming and quick-cooling system and adjusting method thereof | |
| CN206816307U (en) | A kind of new thermoelectricity decoupling therrmodynamic system | |
| CN102705021A (en) | Cold end optimizing and residual heat utilizing system for steam turbine | |
| CN206636604U (en) | A kind of quick cooling system of temperature of power plant steam turbine | |
| CN213807862U (en) | Combined cycle power plant natural gas pressure energy in-plant comprehensive utilization system | |
| CN209604098U (en) | A kind of quick start system of energy-efficient Turbo-generator Set | |
| CN210485839U (en) | Heat supply system | |
| CN107490001A (en) | A kind of condensation water recovery and use system | |
| CN208816195U (en) | A kind of double pressure ORC electricity generation systems | |
| CN207146488U (en) | High back pressure birotor electric heating unit heating system | |
| CN109883218A (en) | A kind of air cooling system and its operating method with energy recovery process | |
| CN110513165B (en) | Combined cooling heating and power supply distributed energy system | |
| CN105737131B (en) | A kind of remaining waste thermal energy central heating system of more net linkages | |
| CN205640843U (en) | Surplus waste thermal energy central heating system of many net linkages | |
| CN212869835U (en) | Air blower system for adjusting outlet temperature of air preheater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |