CN217482530U - Natural gas supply system for gas turbine body - Google Patents
Natural gas supply system for gas turbine body Download PDFInfo
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- CN217482530U CN217482530U CN202122362503.1U CN202122362503U CN217482530U CN 217482530 U CN217482530 U CN 217482530U CN 202122362503 U CN202122362503 U CN 202122362503U CN 217482530 U CN217482530 U CN 217482530U
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Abstract
The utility model discloses a natural gas supply system for gas turbine body, include: the main pipeline assembly comprises a natural gas main pipe which is used for conveying natural gas; the branch pipeline assembly comprises a natural gas main pipe and a natural gas auxiliary pipe, the natural gas main pipe and the natural gas auxiliary pipe are correspondingly connected to two sides of the output end of the natural gas main pipe and communicated with the natural gas main pipe, and a plurality of branch pipes connected with an external burner are arranged on the side walls of the natural gas main pipe and the natural gas auxiliary pipe; the utility model has the advantages that on one hand, the natural gas is further filtered, and impurities in the natural gas are prevented from entering the burner, so that the burner is blocked or the burning is unstable; on the other hand, the natural gas composition and the calorific value are monitored in real time, so that the economical efficiency and the safety of the operation of the combustion engine are improved; meanwhile, at the initial stage of starting the combustion engine, if the gas quality is impure, natural gas pollution discharge can be carried out, and the abnormal phenomenon of ignition failure is avoided.
Description
Technical Field
The utility model relates to a natural gas supplies technical field, especially a natural gas supply system is used to combustion engine body.
Background
The natural gas required by the operation of the combustion engine is filtered, metered and pressure-regulated by a natural gas pressure-regulating station in a power station, and after the branch set enters a front module for metering, heating and filtering, the requirement of the combustion engine on the quality of the natural gas is met. The natural gas meeting the requirements needs to be further filtered and regulated, and enters the combustor for combustion.
When an existing combustion engine runs, the hidden trouble that a filter element of a filter is damaged exists, the phenomenon that a combustor is blocked or combustion is unstable can be caused, and the unplanned shutdown of a unit is caused. Meanwhile, the quality of the natural gas entering the combustor to participate in combustion greatly influences the efficiency and the combustion stability of the fuel engine.
Therefore, we propose a natural gas supply system for a combustion engine body to solve this problem.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems occurring in the conventional natural gas supply system for a combustion engine body.
Therefore, the utility model discloses the problem that will solve lies in current combustion engine operation, has the damaged hidden danger of filter core, can cause the combustor to block up or the unstable phenomenon of burning, leads to the unplanned shutdown of unit. Meanwhile, the quality of the natural gas entering the combustor to participate in combustion greatly influences the efficiency and the combustion stability of the fuel engine.
In order to solve the technical problem, the utility model provides a following technical scheme: a natural gas supply system for a combustion engine body, comprising: the device comprises a main pipeline assembly, a branch pipeline assembly, a monitoring assembly and a filtering assembly, wherein the main pipeline assembly comprises a natural gas main pipe which is used for conveying natural gas; the branch pipeline assembly comprises a natural gas main pipe and a natural gas auxiliary pipe, the natural gas main pipe and the natural gas auxiliary pipe are correspondingly connected to two sides of the output end of the natural gas main pipe and communicated with the natural gas main pipe, and a plurality of branch pipes connected with an external burner are arranged on the side walls of the natural gas main pipe and the natural gas auxiliary pipe; the monitoring assembly comprises a chromatographic analyzer which is correspondingly arranged on the side wall of the natural gas main pipe; the filter component comprises a filter screen cylinder, and the filter screen cylinder is correspondingly arranged on the side wall of the branch pipe.
As the utility model discloses a natural gas supply system for combustion engine body's an preferred scheme, wherein: the side wall of the natural gas main pipe is provided with a filter, the filter is a Y-shaped filter, and the side wall of the natural gas main pipe on one side of the filter is provided with a shutoff valve.
As the utility model discloses a natural gas supply system for combustion engine body's an preferred scheme, wherein: be provided with the pipe that diffuses rather than inside intercommunication on natural gas main's the lateral wall, diffuse the pipe and correspond and set up in one side of shutoff valve, be provided with the valve that diffuses on the lateral wall of diffusing the pipe.
As the utility model discloses a gas turbine is natural gas supply system's preferred scheme for body, wherein: the gas manifold lateral wall of diffusing pipe one side has set gradually thermometer and manometer, the chromatographic analyzer correspond set up in between manometer and the branch pipeline subassembly.
As the utility model discloses a natural gas supply system for combustion engine body's an preferred scheme, wherein: the natural gas auxiliary pipe is characterized in that a main adjusting valve and an auxiliary adjusting valve are respectively arranged on the side walls of the natural gas main pipe and the natural gas auxiliary pipe, and flow meters are respectively arranged on the side walls of the natural gas main pipe and the natural gas auxiliary pipe on one side of the main adjusting valve and the auxiliary adjusting valve.
As the utility model discloses a natural gas supply system for combustion engine body's an preferred scheme, wherein: the range of the flowmeter on the main regulating valve is different from that on the auxiliary regulating valve, and the range of the flowmeter on the main regulating valve is larger than that on the auxiliary regulating valve.
As the utility model discloses a natural gas supply system for combustion engine body's an preferred scheme, wherein: the number of the branch pipes is multiple, and the number of the branch pipes corresponds to the number of the input ports of the external combustor.
As the utility model discloses a natural gas supply system for combustion engine body's an preferred scheme, wherein: the filter screen cylinder adopts a conical structure, the filter screen cylinder is correspondingly arranged at the inlet pipeline of the branch pipe, and the filter screen cylinder is made of stainless steel.
As the utility model discloses a natural gas supply system for combustion engine body's an preferred scheme, wherein: and a drain pipe is arranged on the side wall of the natural gas auxiliary pipe and correspondingly arranged between the flowmeter and the branch pipe.
As the utility model discloses a natural gas supply system for combustion engine body's an preferred scheme, wherein: the side wall of the blow-off pipe is provided with a blow-off valve and used for blow-off of natural gas in the natural gas auxiliary pipe, so that abnormal conditions of ignition failure caused in the initial starting stage of the combustion engine can be avoided.
The utility model discloses beneficial effect does:
1. the utility model has the advantages that on one hand, the natural gas is further filtered, and impurities in the natural gas are prevented from entering the burner, so that the burner is blocked or the burning is unstable; on the other hand, the natural gas composition and the heat value are monitored in real time, so that the economical efficiency and the safety of the operation of the combustion engine are improved; meanwhile, in the initial starting stage of the combustion engine, if the gas quality is impure, natural gas pollution discharge can be carried out, and the abnormal phenomenon of ignition failure is avoided.
2. The utility model is additionally provided with the chromatographic analyzer, so that the quality of natural gas can be detected in real time, and the device has important significance for improving the economy and the combustion stability of the operation of a gas turbine; meanwhile, in the initial starting stage of the combustion engine, the gas quality can be found to be not qualified, and the abnormal condition of ignition failure is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor. Wherein:
fig. 1 is a schematic view of the overall configuration of a natural gas supply system for a combustion engine body.
Fig. 2 is a schematic front view of a natural gas supply system for a combustion engine body.
Fig. 3 is a schematic top view of a natural gas supply system for a combustion engine body.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 3, for the first embodiment of the present invention, this embodiment provides a natural gas supply system for a gas turbine body, including: the natural gas pipeline comprises a main pipeline assembly 100, a branch pipeline assembly 200, a monitoring assembly 300 and a filtering assembly 400, wherein the main pipeline assembly 100 comprises a natural gas main pipe 101, and the natural gas main pipe 101 is used for conveying natural gas; the branch pipeline assembly 200 comprises a natural gas main pipe 201 and a natural gas auxiliary pipe 202, the natural gas main pipe 201 and the natural gas auxiliary pipe 202 are correspondingly connected to two sides of the output end of the natural gas main pipe 101 and are communicated with the natural gas main pipe 101, and a plurality of branch pipes 203 connected with an external burner are arranged on the side walls of the natural gas main pipe 201 and the natural gas auxiliary pipe 202; the monitoring assembly 300 comprises a chromatographic analyzer 301, and the chromatographic analyzer 301 is correspondingly arranged on the side wall of the natural gas main pipe 201; the filter assembly 400 includes a filter screen drum 401, and the filter screen drum 401 is correspondingly disposed on the sidewall of the branch pipe 203.
Preferably, a filter 500 is arranged on the side wall of the natural gas main pipe 201, the filter 500 is a Y-shaped filter, a shutoff valve 501 is arranged on the side wall of the natural gas main pipe 201 on one side of the filter 500, a bleeding pipe 600 communicated with the inside of the natural gas main pipe 101 is arranged on the side wall of the natural gas main pipe 101, the bleeding pipe 600 is correspondingly arranged on one side of the shutoff valve 501, and a bleeding valve 601 is arranged on the side wall of the bleeding pipe 600.
Preferably, the sidewall of the natural gas main 101 on one side of the diffusing pipe 600 is sequentially provided with a thermometer 700 and a pressure gauge 800, and the chromatographic analyzer 301 is correspondingly arranged between the pressure gauge 800 and the branch pipe assembly 200.
When the device is used, the chromatographic analyzer is additionally arranged and is used for an online monitoring device, the components and the heat value of natural gas are detected in real time, and meanwhile, the detected and collected data can be transmitted to a combustion engine combustion adjusting system, so that the economical efficiency and the safety of unit operation are ensured.
Example 2
Referring to fig. 1 to 3, the present embodiment is based on the second embodiment of the present invention.
The side walls of the natural gas main pipe 201 and the natural gas auxiliary pipe 202 are respectively provided with a main regulating valve 204 and an auxiliary regulating valve 205, and the side walls of the natural gas main pipe 201 and the natural gas auxiliary pipe 202 on one side of the main regulating valve 204 and the auxiliary regulating valve 205 are respectively provided with a flowmeter 206.
Preferably, the range of the flow meter 206 on the primary regulator valve 204 is different from the range of the flow meter 206 on the secondary regulator valve 205, and the range of the flow meter 206 on the primary regulator valve 204 is greater than the range of the flow meter 206 on the secondary regulator valve 205.
Preferably, the number of the branch pipes 203 is multiple, the number of the branch pipes 203 corresponds to the number of the input ports of the external burner, the filter screen cylinder 401 adopts a conical structure, the filter screen cylinder 401 is correspondingly arranged at the inlet pipeline of the branch pipes 203, and the filter screen cylinder 401 is made of stainless steel.
When the gas turbine is used, the stainless steel conical filter screen cylinder 401 is arranged at the inlet pipeline of each branch, natural gas is further filtered, and the phenomena that a combustor is blocked and combustion is unstable, and the unit is shut down unplanned are avoided.
Example 3
Referring to fig. 1 to 3, a third embodiment of the present invention is based on the first two embodiments.
Specifically, a sewage discharge pipe 900 is arranged on the side wall of the natural gas auxiliary pipe 202, and the sewage discharge pipe 900 is correspondingly arranged between the flowmeter 206 and the branch pipe 203.
Preferably, the side wall of the drainage pipe 900 is provided with a drainage valve 901 for draining natural gas in the natural gas auxiliary pipe 202, so that abnormal conditions of ignition failure caused in the initial starting stage of the combustion engine can be avoided.
When the natural gas exhaust valve 901 is used for exhausting natural gas in the natural gas auxiliary pipe 202, the quality of the natural gas is improved, and abnormal conditions of ignition failure caused in the initial starting stage of the combustion engine are avoided. Meanwhile, if impurities exist in the natural gas supply system, pollution discharge can also be performed.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. A natural gas supply system for a combustion engine body, comprising:
a main pipe assembly (100), the main pipe assembly (100) comprising a natural gas main (101), the natural gas main (101) for transporting natural gas;
the branch pipeline assembly (200), the branch pipeline assembly (200) comprises a natural gas main pipe (201) and a natural gas auxiliary pipe (202), the natural gas main pipe (201) and the natural gas auxiliary pipe (202) are correspondingly connected to two sides of the output end of the natural gas main pipe (201) and are communicated with the natural gas main pipe (201), and a plurality of branch pipes (203) connected with an external combustor are arranged on the side walls of the natural gas main pipe (201) and the natural gas auxiliary pipe (202);
the monitoring assembly (300) comprises a chromatographic analyzer (301), and the chromatographic analyzer (301) is correspondingly arranged on the side wall of the natural gas main pipe (201);
the filter assembly (400), the filter assembly (400) includes filter screen cylinder (401), filter screen cylinder (401) correspond and set up on the lateral wall of branch pipe (203).
2. The natural gas supply system for a combustion engine body according to claim 1, wherein: be provided with filter (500) on the lateral wall of natural gas person in charge (201), filter (500) adopt Y type filter, be provided with shut-off valve (501) on the natural gas person in charge (201) lateral wall of filter (500) one side.
3. The natural gas supply system for a combustion engine body according to claim 2, wherein: be provided with on the lateral wall of natural gas main (101) and the pipe (600) of diffusing rather than inside intercommunication, the pipe (600) of diffusing correspond and set up in one side of shutoff valve (501), be provided with the valve (601) of diffusing on the lateral wall of pipe (600).
4. A natural gas supply system for a combustion engine body as set forth in claim 3, wherein: the natural gas main pipe (101) lateral wall of diffusing pipe (600) one side is last to be set gradually thermometer (700) and manometer (800), chromatographic analyzer (301) correspond set up in between manometer (800) and branch pipe assembly (200).
5. The natural gas supply system for a combustion engine body according to claim 4, wherein: the side walls of the natural gas main pipe (201) and the natural gas auxiliary pipe (202) are respectively provided with a main regulating valve (204) and an auxiliary regulating valve (205), and the side walls of the natural gas main pipe (201) and the natural gas auxiliary pipe (202) on one sides of the main regulating valve (204) and the auxiliary regulating valve (205) are respectively provided with a flowmeter (206).
6. The natural gas supply system for a combustion engine body according to claim 5, wherein: the range of the flow meter (206) on the primary regulator valve (204) is different from the range of the flow meter (206) on the secondary regulator valve (205), and the range of the flow meter (206) on the primary regulator valve (204) is greater than the range of the flow meter (206) on the secondary regulator valve (205).
7. The natural gas supply system for a gas turbine body as set forth in any one of claims 1 to 6, wherein: the number of the branch pipes (203) is multiple, and the number of the branch pipes (203) corresponds to the number of input ports of the external combustor.
8. The natural gas supply system for a combustion engine body according to claim 7, wherein: the filter screen cylinder (401) is of a conical structure, the filter screen cylinder (401) is correspondingly arranged at an inlet pipeline of the branch pipe (203), and the filter screen cylinder (401) is made of stainless steel.
9. The natural gas supply system for a combustion engine body according to claim 5 or 6, wherein: a sewage discharge pipe (900) is arranged on the side wall of the natural gas auxiliary pipe (202), and the sewage discharge pipe (900) is correspondingly arranged between the flowmeter (206) and the branch pipe (203).
10. The natural gas supply system for a combustion engine body according to claim 9, wherein: the side wall of the blow-off pipe (900) is provided with a blow-off valve (901) and used for blow-off of natural gas in the natural gas auxiliary pipe (202), so that abnormal conditions of ignition failure caused in the initial starting stage of the combustion engine can be avoided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122362503.1U CN217482530U (en) | 2021-09-28 | 2021-09-28 | Natural gas supply system for gas turbine body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122362503.1U CN217482530U (en) | 2021-09-28 | 2021-09-28 | Natural gas supply system for gas turbine body |
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| CN217482530U true CN217482530U (en) | 2022-09-23 |
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| CN202122362503.1U Active CN217482530U (en) | 2021-09-28 | 2021-09-28 | Natural gas supply system for gas turbine body |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115818928A (en) * | 2022-11-18 | 2023-03-21 | 虹阳显示(咸阳)科技有限公司 | Automatic control method, device and system for natural gas calorific value fluctuation of TFT (thin film transistor) liquid crystal glass kiln |
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2021
- 2021-09-28 CN CN202122362503.1U patent/CN217482530U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115818928A (en) * | 2022-11-18 | 2023-03-21 | 虹阳显示(咸阳)科技有限公司 | Automatic control method, device and system for natural gas calorific value fluctuation of TFT (thin film transistor) liquid crystal glass kiln |
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