CN219587636U

CN219587636U - Novel cooling water system of gas turbine

Info

Publication number: CN219587636U
Application number: CN202320561416.5U
Authority: CN
Inventors: 朱鹏; 金海勇; 王迎丰; 陈功; 林子敏; 刘建德
Original assignee: Shenzhen Nanshan Thermal Power Co ltd
Current assignee: Shenzhen Nanshan Thermal Power Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-08-25
Anticipated expiration: 2033-03-21

Abstract

The utility model relates to the technical field of gas turbine equipment, in particular to a novel gas turbine cooling water system. The device solves the problem that the whole machine set needs to be stopped during maintenance. The novel water heater comprises a first plate exchanger and a second plate exchanger, wherein a water inlet pipe, a water return pipe, an inner circulating pipe and a heating pipe are arranged on the first plate exchanger, the middle parts of the water inlet pipe, the water return pipe, the inner circulating pipe and the heating pipe are all connected to the second plate exchanger, first detection pieces for detecting temperature and pressure are arranged at the joints of the water inlet pipe, the water return pipe, the inner circulating pipe and the heating pipe and the first plate exchanger, and second detection pieces for detecting temperature and pressure are arranged at the joints of the water inlet pipe, the water return pipe, the inner circulating pipe and the heating pipe and the second plate exchanger. The utility model effectively detects the temperature and the pressure, ensures the circulation of internal fluid, prevents the unit from being completely stopped during maintenance, reduces the maintenance cost and ensures the normal production of the unit.

Description

Novel cooling water system of gas turbine

Technical Field

The utility model relates to the technical field of gas turbine equipment, in particular to a novel gas turbine cooling water system.

Background

Along with the operation of the power spot market, the reliability requirement on the generator set is higher and higher, the traditional cooling water system of the gas turbine only has a platen heat exchanger, along with the increase of the operation life of the generator set, the risks of leakage and blockage are also increased, and because the spare plate heat exchanger is not needed, the generator set is required to be completely stopped during maintenance, the maintenance cost is high, and the production of the generator set is affected.

Disclosure of Invention

The utility model provides a novel cooling water system for a gas turbine, which is used for effectively detecting temperature and pressure, ensuring internal fluid circulation, preventing the unit from being completely stopped during maintenance, reducing maintenance cost and ensuring normal production of the unit.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a novel gas turbine cooling water system, trades with the second board including first board, first board trades and is equipped with inlet tube, wet return, interior circulating pipe and heating pipe, inlet tube, wet return, interior circulating pipe and heating pipe's middle part all is connected in the second board and trades, inlet tube, wet return, interior circulating pipe and heating pipe all are equipped with the first detection piece that is used for detecting temperature and pressure with the junction that first board trades, inlet tube, wet return, interior circulating pipe and heating pipe trade with the second board and all be equipped with the second detection piece that is used for detecting temperature and pressure.

Further, the first detection piece comprises a first butterfly valve, a first thermometer and a first pressure gauge, and the number of the first butterfly valve, the first thermometer and the first pressure gauge is four, and the four are respectively in groups and correspond to the joints of the water inlet pipe, the water return pipe, the inner circulation pipe, the heating pipe and the first plate.

Further, the second detection piece comprises a second butterfly valve, a second thermometer and a second pressure gauge, and the number of the second butterfly valve, the second thermometer and the second pressure gauge is four, which are respectively in groups and are correspondingly connected to the connection parts of the water inlet pipe, the water return pipe, the inner circulation pipe, the heating pipe and the second plate.

Further, the first butterfly valve and the second butterfly valve are D71F46 or D671F46.

Further, the models of the first thermometer and the second thermometer are WSS-481.

Further, the model numbers of the first pressure gauge and the second pressure gauge are YN100/YN60.

The utility model has the beneficial effects that:

the temperature and the pressure are effectively detected, internal fluid circulation is guaranteed, the unit is prevented from being completely stopped during maintenance, the maintenance cost is reduced, and the normal production of the unit is guaranteed.

Drawings

FIG. 1 is a schematic diagram of the structure of the novel gas turbine cooling water system;

reference numerals illustrate:

1. a first board exchange; 2. a second board replacement; 3. a water inlet pipe; 4. a water return pipe; 5. an inner circulation pipe; 6. heating pipes; 7. a first detecting member; 71. a first butterfly valve; 72. a first thermometer; 73. a first pressure gauge; 8. a second detecting member; 81. a second butterfly valve; 82. a second thermometer; 83. and a second pressure gauge.

Detailed Description

The utility model will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the utility model.

As shown in fig. 1, a novel cooling water system for a gas turbine comprises a first plate exchanger 1 and a second plate exchanger 2, wherein a water inlet pipe 3, a water return pipe 4, an inner circulation pipe 5 and a heating pipe 6 are arranged on the first plate exchanger 1, the middle parts of the water inlet pipe 3, the water return pipe 4, the inner circulation pipe 5 and the heating pipe 6 are all connected to the second plate exchanger 2, a first detection piece 7 for detecting temperature and pressure is arranged at the joint of the water inlet pipe 3, the water return pipe 4, the inner circulation pipe 5 and the heating pipe 6 with the first plate exchanger 1, and a second detection piece 8 for detecting temperature and pressure is arranged at the joint of the water inlet pipe 3, the water return pipe 4, the inner circulation pipe 5 and the heating pipe 6 with the second plate exchanger 2.

Further, the first detecting member 7 includes a first butterfly valve 71, a first thermometer 72, and a first pressure gauge 73, where the number of the first butterfly valve 71, the first thermometer 72, and the first pressure gauge 73 is four, which are respectively in groups and are correspondingly connected to the connection points of the water inlet pipe 3, the water return pipe 4, the inner circulation pipe 5, and the heating pipe 6 and the first board exchanger 1.

Further, the second detecting element 8 includes a second butterfly valve 81, a second thermometer 82, and a second pressure gauge 83, where the number of the second butterfly valve 81, the second thermometer 82, and the second pressure gauge 83 is four, and the number of the second butterfly valve 81, the second thermometer 82, and the second pressure gauge 83 are respectively in groups and are correspondingly connected to the connection parts of the water inlet pipe 3, the water return pipe 4, the inner circulation pipe 5, the heating pipe 6, and the second plate exchanger 2.

Further, the first butterfly valve 71 and the second butterfly valve 81 are D71F46 or D671F46.

Further, the first thermometer 72 and the second thermometer 82 are of the model number WSS-481.

Further, the model numbers of the first pressure gauge 73 and the second pressure gauge 83 are YN100/YN60.

Working principle: as shown in fig. 1, when in use, the first detecting element 7 on the first plate changer 1 is opened, the second detecting element 8 is closed, so that fluid is smoothly led in along the water inlet pipe 3, flows in the first plate changer 1, is smoothly discharged through the water return pipe 4, is convenient to heat the fluid in the first plate changer 1 by externally connecting the heating pipe 6 with heating equipment, and is convenient to circulate in the first plate changer 1 by arranging the inner circulating pipe 5 externally connecting the water pump with the inner circulating pipe 5 in a bidirectional driving mode; when the first plate change 1 fails, the first detection part 7 is closed, the second detection part 8 is opened, the flow of fluid is controlled through the second detection part 8, the temperature and the pressure are effectively detected, the internal fluid circulation is ensured, the unit is required to be completely stopped during maintenance, the maintenance cost is reduced, and the normal production of the unit is ensured.

All technical features in the embodiment can be freely combined according to actual needs.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

The foregoing embodiments are preferred embodiments of the present utility model, and other embodiments are included, without departing from the spirit of the present utility model.

Claims

1. The utility model provides a novel gas turbine cooling water system, trades with the second board including first board, its characterized in that, first board trades and is equipped with inlet tube, wet return, interior circulating pipe and heating pipe, inlet tube, wet return, interior circulating pipe and heating pipe's middle part all is connected in the second board and trades, inlet tube, wet return, interior circulating pipe and heating pipe all are equipped with the first detection piece that is used for detecting temperature and pressure with the junction that first board trades, inlet tube, wet return, interior circulating pipe and heating pipe trade with the second board and all are equipped with the second detection piece that is used for detecting temperature and pressure.

2. The novel cooling water system of a gas turbine according to claim 1, wherein the first detecting member comprises a first butterfly valve, a first thermometer and a first pressure gauge, and the number of the first butterfly valve, the first thermometer and the first pressure gauge is four, which are respectively in groups and are correspondingly connected with the connection parts of the water inlet pipe, the water return pipe, the inner circulation pipe and the heating pipe and the first plate.

3. The novel cooling water system of a gas turbine according to claim 2, wherein the second detecting member comprises a second butterfly valve, a second thermometer and a second pressure gauge, and the number of the second butterfly valve, the second thermometer and the second pressure gauge is four, which are respectively in groups and are correspondingly connected with the connection parts of the water inlet pipe, the water return pipe, the inner circulation pipe and the heating pipe and the second plate.

4. The novel gas turbine cooling water system of claim 3 wherein the first butterfly valve and the second butterfly valve are of the type D71F46 or D671F46.

5. The novel gas turbine cooling water system of claim 3 wherein the first and second thermometers are of the model WSS-481.

6. The novel gas turbine cooling water system of claim 3 wherein the first and second pressure gauges are model YN100/YN60.