CN218882482U - Prevent breathing heavily bleed valve air supply system - Google Patents
Prevent breathing heavily bleed valve air supply system Download PDFInfo
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- CN218882482U CN218882482U CN202222609966.8U CN202222609966U CN218882482U CN 218882482 U CN218882482 U CN 218882482U CN 202222609966 U CN202222609966 U CN 202222609966U CN 218882482 U CN218882482 U CN 218882482U
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- air
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- air feed
- valve
- supply system
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Abstract
The utility model relates to a prevent breathing heavily bleed valve air supply system, including gas holder and one or more air compressor machine, the output of air compressor machine is connected to the input of gas holder, the output of gas holder is connected to the gas input of preventing breathing heavily the bleed valve, the system still includes that the air feed is responsible for and the air feed branch pipe, the air feed is responsible for and is equipped with first valve module, be equipped with the second valve module on the air feed branch pipe, and the air feed branch pipe connects in parallel in the both ends of first valve module on the air feed is responsible for, the input that the air feed is responsible for is connected to public appearance and uses the main pipe, the output is connected to the gas holder. Compared with the prior art, the utility model discloses utilize the air feed to be responsible for and the public appearance gas mother pipe of air feed branch connection and gas holder to set up corresponding valve module, can be applied to the tonifying qi of gas holder with the gas in the public appearance gas mother pipe, thereby reduce the frequency of launching of air compressor machine, reduce the fault incidence.
Description
Technical Field
The utility model relates to an air supply system especially relates to an prevent breathing valve air supply system of breathing heavily.
Background
The anti-surge air release valve of the gas turbine is an important measure for preventing the surge of the gas compressor, and has very important significance for the safe operation of the gas turbine.
The function of the air compressor system of the combustion engine is to provide driving gas for an actuating mechanism of the anti-surge air release valve. In the prior art, a gas turbine air compressor system mainly comprises 2 air compressors, 1 air storage tank and the like. When the pressure of the gas storage tank of the gas turbine is smaller than a first lower limit value, the air compressor of the main gas turbine operates to boost, and when the pressure of the gas storage tank of the gas turbine is smaller than a second lower limit value, the air compressor of the standby gas turbine operates to boost; when the pressure of the gas storage tank of the gas turbine rises to be larger than the first lower limit value r, the air compressor of the standby gas turbine stops running, and when the pressure of the gas storage tank of the gas turbine rises to be larger than the normal value, the air compressor of the main gas turbine stops running.
Because the existence of phenomenon such as leak gas exists objectively, the air compressor machine faces the operating mode of frequently opening and stopping, therefore its life is shorter, when atmospheric pressure is insufficient, triggers the combustion engine trip easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an anti-surge bleed valve air supply system.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides a prevent breathing heavily bleed valve air supply system, includes gas holder and one or more air compressor machine, the output of air compressor machine is connected to the input of gas holder, the output of gas holder is connected to the gas input end of preventing breathing heavily the bleed valve, the system still includes that the air feed is responsible for and air supply branch pipe, the air feed is responsible for and is equipped with first valve module, be equipped with second valve module on the air supply branch pipe, just air supply branch pipe connects in parallel at the both ends of the first valve module on the air feed is responsible for, the input that the air feed is responsible for is connected to public appearance and uses the main pipe, and the output is connected to the gas holder.
The first valve module includes two valves in series.
The second valve module includes a valve.
And the gas storage tank is provided with a pressure gauge.
The air compressor machine is equipped with two altogether.
The output ends of all the air compressors are connected to the same input end of the air storage tank.
Two input ends connected with the main gas supply pipe and the air compressor on the gas storage tank are positioned on two opposite sides.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the main air supply pipe and the branch air supply pipes are connected with the main air supply pipe and the air storage tank for the public instrument, and corresponding valve modules are arranged, so that the air in the main air supply pipe for the public instrument can be applied to air supplement of the air storage tank, the starting frequency of the air compressor is reduced, and the failure rate is reduced.
2. The first valve module and the second valve module can realize the isolation of the air compressor part and the air main pipe part for the public instrument, and the convenience of overhauling and maintaining is improved.
3. Two input ends of the air storage tank, which are connected with the air supply main pipe and the air compressor, are positioned on two opposite sides, so that the balance speed of the air cylinder in the air storage tank is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the input end arrangement of the air reservoir;
wherein: 1. the air storage tank 2, the air compressor 3, the air compressor 4, the anti-surge air release valve 5, the public instrument air main pipe 11, the first input end 12 and the second input end.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
The utility model provides a prevent breathing heavily bleed valve air supply system, as shown in figure 1, including gas holder 1 and one or more air compressor machine, the output of air compressor machine is connected to the input of gas holder 1, the output of gas holder 1 is connected to the gas input of preventing breathing heavily bleed valve 4, the system still includes the air feed and is responsible for and the air feed branch pipe, the air feed is responsible for and is equipped with first valve module, be equipped with the second valve module on the air feed branch pipe, and the air feed branch pipe connects in parallel in the both ends of the last first valve module of air feed person in charge, the input of air feed person in charge is connected to public appearance with the gas main pipe 5, the output is connected to gas holder 1.
The main gas supply pipe and the branch gas supply pipe are connected with the main gas supply pipe 5 and the gas storage tank 1 for the public instrument, and corresponding valve modules are arranged, so that gas in the main gas supply pipe 5 for the public instrument can be applied to gas supplement of the gas storage tank 1, the starting frequency of the air compressor is reduced, and the failure rate is reduced.
In this embodiment, the first valve module includes two valves PW1 and PW2 connected in series, and the second valve module includes one valve PW3. 2 parts of air compressor machine and the isolation of 5 parts of public appearance air main pipe can be realized to first valve module and second valve module, improve the convenience of overhauing and maintaining.
In this embodiment, the gas storage tank 1 is provided with a pressure gauge, which may be electronic or mechanical, so as to obtain internal pressure data.
In this embodiment, the air compressor machine is equipped with two altogether, is air compressor machine 2 and air compressor machine 3 respectively, and the output of all air compressor machines is connected to the same input of gas holder 1, and is concrete, as shown in fig. 2, two inputs that connect the air feed person in charge and air compressor machine on the gas holder 1 are located the relative both sides that set up, improve the inside cylinder balance speed of gas holder.
In the embodiment, the pressure of gas required by the actuating mechanism of the anti-surge air release valve is smaller, when the pressure of the gas storage tank of the gas turbine is smaller than 6.5bar, the air compressor of the main gas turbine operates to boost, and when the pressure of the gas storage tank of the gas turbine is smaller than 6.0bar, the air compressor of the standby gas turbine operates to boost; when the pressure of the gas storage tank of the gas turbine rises to be more than 6bar, the air compressor of the standby gas turbine stops running, and when the pressure of the gas storage tank of the gas turbine rises to be more than 6.75bar, the air compressor of the main gas turbine stops running. The protection set value of the air storage tank of the air compressor of the combustion engine is modified from 6.7bar to 4.7bar. The pressure of the public instrument gas main pipe 5 is always kept at about 7bar, and the public instrument gas main pipe is very suitable for providing a gas source for the anti-surge gas release valve.
In the embodiment, the valves PW1 and PW2 are kept to be opened sufficiently and PW3 is closed at ordinary times, so that the instrument gas enters the gas storage tank of the gas turbine.
If the gas leakage happens to the gas turbine air compressor system and the anti-surge air release valve actuating mechanism, the gas main pipe 5 for the public instrument can provide enough gas to ensure the pressure of a gas turbine gas storage tank, so that the tripping of the gas turbine caused by the low pressure protection action of the gas turbine gas storage tank is prevented.
Claims (7)
1. The utility model provides a prevent breathing heavily bleed valve air supply system, includes gas holder and one or more air compressor machine, the output of air compressor machine is connected to the input of gas holder, the output of gas holder is connected to the gas input end of preventing breathing heavily the bleed valve, a serial communication port, the system still includes that the air feed is responsible for and air feed branch pipe, the air feed is responsible for and is equipped with first valve module, be equipped with the second valve module on the air feed branch pipe, just the air feed branch pipe connects in parallel in the air feed is responsible for the both ends of first valve module, the input that the air feed is responsible for is connected to public appearance and is managed with the gas holder, and the output is connected to the gas holder.
2. An anti-surge bleed valve air supply system according to claim 1, wherein the first valve module comprises two valves in series.
3. An anti-surge gas bleed valve air supply system according to claim 1, wherein said second valve module comprises a valve.
4. The air supply system of an anti-surge air relief valve according to claim 1, wherein a pressure gauge is provided on said air tank.
5. An anti-surge bleed valve air supply system according to claim 1, wherein there are two air compressors.
6. The air supply system for an anti-surge gas relief valve according to claim 1, wherein the output terminals of all air compressors are connected to the same input terminal of the air storage tank.
7. The air supply system for an anti-surge gas relief valve according to claim 6, wherein two input ends of the air storage tank connecting the main air supply pipe and the air compressor are located at two opposite sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222609966.8U CN218882482U (en) | 2022-09-30 | 2022-09-30 | Prevent breathing heavily bleed valve air supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222609966.8U CN218882482U (en) | 2022-09-30 | 2022-09-30 | Prevent breathing heavily bleed valve air supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218882482U true CN218882482U (en) | 2023-04-18 |
Family
ID=85945479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222609966.8U Active CN218882482U (en) | 2022-09-30 | 2022-09-30 | Prevent breathing heavily bleed valve air supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218882482U (en) |
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2022
- 2022-09-30 CN CN202222609966.8U patent/CN218882482U/en active Active
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