CN215595733U - Gas turbine natural gas pretreatment system - Google Patents
Gas turbine natural gas pretreatment system Download PDFInfo
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- CN215595733U CN215595733U CN202122212093.2U CN202122212093U CN215595733U CN 215595733 U CN215595733 U CN 215595733U CN 202122212093 U CN202122212093 U CN 202122212093U CN 215595733 U CN215595733 U CN 215595733U
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Abstract
The utility model relates to a natural gas pretreatment system of a gas turbine, which comprises a bottom skid, wherein an operation platform with a preset height is arranged above the bottom skid, a module assembly is arranged on the bottom skid, the module assembly comprises a preheating module, a filtering module, a metering module, an emergency turn-off module, an automatic diffusing module and an automatic pollution discharge module, the module assembly is in communication connection with a control system, and the preheating module and the filtering module are communicated with a safe diffusing valve. The bottom sledge and the operation platform are vertically combined, so that the overall length of the bottom sledge is reduced, and the space utilization rate is improved; the automatic diffusing module automatically diffuses the cut pipeline natural gas, so that the equipment safety is ensured; the automatic sewage discharging module can automatically discharge the sewage of the filtering module, and the operation is simple; through optimizing each module and combining together, reduced whole volume, convenient transportation.
Description
Technical Field
The utility model relates to the technical field of gas turbines, in particular to a natural gas pretreatment system of a gas turbine.
Background
The natural gas power generation is an alternative form of coal-fired power generation by virtue of the characteristics of obvious environmental protection advantage, outstanding energy-saving and emission-reduction effects, obvious peak regulation advantage and the like, the national development of the natural gas industry is accelerated in recent years, the proportion of natural gas in primary energy consumption is improved, the development of building a clean, low-carbon, safe and efficient modern energy structure system in China is promoted, and the natural gas power generation must become a mainstream power generation mode in the future.
The natural gas must be handled through leading module before getting into the gas turbine combustion chamber and burning, guarantees that each item nature of natural gas satisfies gas turbine's requirement of admitting air, how to optimize each leading module, makes its convenient transportation, improves the rate of utilization to the space simultaneously to it is the present problem that becomes the sledge business and urgently awaits the solution to satisfy the requirement of most gas turbines to the natural gas.
SUMMERY OF THE UTILITY MODEL
The utility model provides a natural gas pretreatment system of a gas turbine, aiming at the technical problems in the prior art.
The technical scheme for solving the technical problems is as follows: the utility model provides a processing system before gas turbine natural gas, includes end sledge, end sledge top is equipped with the operation platform of predetermineeing the height, be equipped with module assembly on the end sledge, module assembly is including preheating module, filter module, metering module, emergency shutdown module, automatic module and the automatic blowdown module of diffusing, module assembly and control system communication connection, preheating module and filter module are linked together with safe valve bank of diffusing.
The utility model has the beneficial effects that: according to the utility model, the bottom sledges and the operation platform are vertically combined and arranged, so that the overall length of the bottom sledges is reduced, and the space utilization rate is improved; the natural gas is preheated through the preheating module, so that the running temperature of the natural gas is improved; the natural gas is filtered by the filtering module to remove tiny particles and liquid drops, so that the requirement of the gas turbine on the natural gas is met; the main circuit air source is turned off to protect downstream equipment within 3 seconds under emergency conditions such as fire and the like through the emergency turn-off module, so that the safety of the whole equipment is ensured; the disconnected pipeline natural gas is automatically diffused through the automatic diffusing module, so that the running safety of equipment is ensured; through optimizing each module and combining together, reduced whole volume, convenient transportation.
On the basis of the technical scheme, in order to achieve the convenience of use and the stability of equipment, the utility model can also make the following improvements on the technical scheme:
further, the emergency shutdown module is interlocked with the gas leakage detector and the pressure sensor, and the emergency shutdown module is interlocked with the automatic emission module.
The beneficial effect of adopting above-mentioned further technical scheme is that, according to the signal control emergency shutdown module that pressure sensor and gas leak detector detected, make it in time close the pipeline, reduce the leakage quantity of gas, through linking emergency shutdown module and automatic diffusion module, after emergency shutdown module cuts off main road air supply, automatic diffusion module is opened, diffuses the natural gas in the pipeline of low reaches, guarantees equipment safety.
Further, the automatic sewage discharging module comprises an automatic liquid discharging valve group, the automatic sewage discharging module is in communication connection with the control system, the automatic sewage discharging module is interlocked with a liquid level meter of a filter in the filtering module, and the automatic liquid discharging valve group is located between the bottom sledge and the operating platform.
Adopt above-mentioned further technical scheme's beneficial effect is, detect the sewage liquid level in the filter through the level gauge to it is chain with automatic blowdown module, with the automatic discharge of sewage in the filter, easy operation.
Further, the safety relief valve group is arranged above the operating platform.
Adopt above-mentioned further technical scheme's beneficial effect be, through setting up safe valve group of bleeding on operation platform, be convenient for operate and maintain.
Furthermore, the preheating module and the filtering module are positioned in the middle of the bottom skid, and the metering module, the emergency shutdown module and the automatic diffusing module are distributed along the central line of the bottom skid.
The beneficial effects of adopting above-mentioned further technical scheme are that, improve the homogeneity of end sledge atress, stability when guaranteeing end sledge transportation and installation.
Further, the filtering module comprises a coalescing filter A and a coalescing filter B, the preheating module and the coalescing filter A are distributed along a first straight line, an explosion-proof power distribution cabinet is arranged on the bottom sledge, the explosion-proof power distribution cabinet and the coalescing filter B are distributed along a second straight line, the second straight line is parallel to the first straight line, and the first straight line extends along the length direction of the bottom sledge.
The beneficial effect of adopting above-mentioned further technical scheme is that, can guarantee the homogeneity of end sledge atress, coalescence filter adopts vertical pair to arrange simultaneously, uses one and stands by one, accomplishes online switching, does not keep off the gas and changes the filter core, guarantees gas turbine's normal operating.
Further, the metering module and the explosion-proof power distribution cabinet are located at the inlet of the bottom sledge.
Adopt above-mentioned further technical scheme's beneficial effect be, can adopt the straight tube to measure the natural gas with the metering module setting at the entrance, this position is nearest with explosion-proof switch board distance simultaneously, the wiring of being convenient for.
Further, the bottom sledge and the operation platform are steel structures, and the preset height of the operation platform is 2.3 mm.
Adopt above-mentioned further technical scheme's beneficial effect is that, the stability of hoist and mount can be guaranteed to the steel construction, and operation platform's height both had conveniently laid module assembly on the end sledge, convenient maintenance simultaneously.
Further, the operation platform is of a steel grating structure.
The beneficial effect who adopts above-mentioned further technical scheme is, can guarantee operation platform's stability and aesthetic property, has antiskid, the difficult advantage of ponding simultaneously.
Drawings
FIG. 1 is a perspective view of a pretreatment system of the present invention;
FIG. 2 is a perspective view of another aspect of the pretreatment system of the present invention;
FIG. 3 is a front view of the pretreatment system of the present invention;
FIG. 4 is a top view of the pretreatment system of the present invention;
FIG. 5 is a side view of the pretreatment system of the present invention.
The reference numbers are recorded as follows: 1. an electric heater; 2. a coalescing filter A; 3. a coalescing filter B; 4. a turbine flow meter; 5. bottom sledding; 6. a pneumatic emergency shut-off valve; 7. a pneumatic automatic bleeding valve; 8. an explosion-proof power distribution cabinet; 9. an operating platform; 10. automatic flowing back valves.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 5, a natural gas pretreatment system of a gas turbine includes a bottom skid 5, an operation platform 9 with a preset height is arranged above the bottom skid 5, the operation platform 9 has a guardrail and a ladder, the guardrail is arranged at the edge of the operation platform 9 to prevent a worker from falling, one end of the ladder is connected with the operation platform 9, the other end of the ladder is connected with the bottom skid 5, a module assembly is arranged on the bottom skid 5, the module assembly includes a preheating module, a filtering module, a metering module, an emergency shut-off module, an automatic emission module and an automatic pollution discharge module, the module assembly is in communication connection with a control system, a pipeline and a manual valve which are communicated with the module assembly are arranged between the operation platform 9 and the bottom skid 5, and the preheating module and the filtering module are communicated with a safe emission valve set.
The preheating module comprises an electric heater 1 or a heat exchanger, and the heater or the heat exchanger is used for heating and exchanging heat of the natural gas to improve the running temperature of the natural gas;
the filtering module comprises a coalescing filter A2 and a coalescing filter B3, and is used for filtering tiny solid particles and liquid drops which are entrained in the natural gas, so that the cleanness of the natural gas is ensured;
the metering module comprises a turbine flowmeter 4 for measuring the volume flow of the natural gas;
the emergency shut-off module comprises a pneumatic emergency shut-off valve 6, the pneumatic emergency shut-off valve 6 is interlocked with a gas leakage detector and a pressure sensor, receives signals transmitted by a control system, automatically shuts off a main path gas source under emergency conditions of gas leakage, pressure fluctuation and the like, and can quickly and effectively act by adopting a pneumatic actuating mechanism to ensure the safety of the whole system;
the automatic diffusing module comprises a pneumatic automatic diffusing valve 7, the pneumatic automatic diffusing valve 7 is interlocked with a pneumatic emergency shutoff valve 6 of the emergency shutoff module to receive signals of the control system, the diffusing valve is automatically opened under the condition that the pneumatic emergency shutoff valve 6 is closed, and natural gas in a downstream pipeline is automatically diffused.
In order to ensure the safety of the system, the emergency shutdown module is respectively interlocked with the gas leakage detector, the pressure sensor and the automatic bleeding module.
The automatic sewage discharging module comprises an automatic liquid discharging valve group 10, the automatic liquid discharging valve group 10 is located between the bottom sledge 5 and the operating platform 9, the automatic sewage discharging module is in communication connection with the control system, and the automatic sewage discharging module is interlocked with a liquid level meter of a filter in the filtering module, so that sewage in the filter is automatically discharged, and the normal operation of the system is ensured.
Referring to fig. 4, the safety relief valve set is disposed above the operation platform 9. The safety relief valve set is respectively connected with the electric heater 1 of the preheating module, the coalescing filter A2 of the filtering module and the coalescing filter B3.
The preheating module and the filtering module are positioned in the middle of the bottom sledge 5, and the metering module, the emergency shutdown module and the automatic diffusing module are distributed along the central line of the bottom sledge 5, so that the stress uniformity and stability of the bottom sledge 5 are ensured.
The filter module includes coalescence filter A2 and coalescence filter B3, preheat the module with coalescence filter A2 distributes along first straight line, be equipped with explosion-proof switch board 8 on the end sledge 5, explosion-proof switch board 8 with coalescence filter B3 distributes along the second straight line, the second straight line with first straight line is parallel, first straight line is followed the length direction of end sledge 5 extends, and the filter module adopts two coalescence filters, and a use, a reserve to adopt vertical pair to arrange, accomplish online change filter core under the condition of not shutting off the natural gas, guarantee gas turbine's normal operating.
The automatic liquid discharge valve group 10 automatically discharges liquid generated by filtering through the coalescing filter A2 or the coalescing filter B3 to a storage tank outside the bottom skid 5, is logically interlocked with a liquid level meter in the coalescing filter A2 or the coalescing filter B3, automatically opens according to a set value, automatically discharges liquid stored in the coalescing filter A2 or the coalescing filter B3, saves manpower, adopts a pneumatic execution mechanism, and is safe and reliable.
The metering module with explosion-proof switch board 8 is located the entrance of end sledge 5 sets up metering module promptly turbine flowmeter 4 at the entrance of end sledge 5, can satisfy the requirement of turbine flowmeter 4 to the straight section of pipe, simultaneously convenient and explosion-proof switch board 8 wiring.
The bottom sledge 5 and the operating platform 9 are steel structures, in order to ensure the hoisting stability, the bottom sledge 5 adopts 200H section steel, and can also adopt other types of steel according to the use condition; in order to meet the transportation requirements of roads, in the embodiment, the length of the bottom skid 5 is 6500mm, the width is 2300mm, and the height is 3300 mm.
The preset height of the operating platform 9 is 2.3mm, the operating platform 9 is of a steel grating structure, and other heights can be selected according to the actual situation by the preset height of the operating platform 9, so that the use requirement is better met.
Optionally, in order to facilitate maintenance or repair of various structures in the system and to make the system more beautiful as a whole, the coalescing filter a2, the coalescing filter B3 and the natural gas pipeline are yellow, the electric heater 1, the bottom sledge 5 and the operating platform 9 are gray, the guard rail and the ladder stand are bright yellow, the diffusing pipeline is reddish, and the sewage draining pipeline is brown.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides a processing system before gas turbine natural gas, its characterized in that, includes end sledge, end sledge top is equipped with the operation platform of predetermineeing the height, be equipped with module assembly on the end sledge, module assembly is including preheating module, filter module, metering module, emergency shutdown module, automatic module and the automatic blowdown module of diffusing, module assembly and control system communication connection, preheating module and filter module are linked together with safe valve group of diffusing.
2. The gas turbine natural gas pretreatment system of claim 1, wherein the emergency shutdown module is interlocked with a gas leak detector, a pressure sensor, and the automatic bleeding module.
3. The gas turbine natural gas pretreatment system according to claim 1 or 2, wherein the automatic blowdown module comprises an automatic drain valve set, the automatic blowdown module is in communication connection with the control system, the automatic blowdown module is interlocked with a liquid level meter of a filter in the filter module, and the automatic drain valve set is located between the skid and the operation platform.
4. The gas turbine natural gas pretreatment system of claim 1, wherein the safety bleed valve block is disposed above the operator platform.
5. The gas turbine natural gas pretreatment system of claim 1, wherein the preheating module and the filtration module are located in a middle portion of the skid, and the metering module, the emergency shutdown module, and the automatic bleeding module are distributed along a centerline of the skid.
6. The gas turbine natural gas pretreatment system according to claim 1 or 5, wherein the filtering module comprises a coalescing filter A and a coalescing filter B, the preheating module and the coalescing filter A are distributed along a first straight line, an explosion-proof power distribution cabinet is arranged on the bottom skid, the explosion-proof power distribution cabinet and the coalescing filter B are distributed along a second straight line, the second straight line is parallel to the first straight line, and the first straight line extends along the length direction of the bottom skid.
7. The gas turbine natural gas pretreatment system of claim 6, wherein said metering module and said explosion-proof power distribution cabinet are located at an inlet of said skid.
8. The gas turbine natural gas pretreatment system of claim 1, wherein the skid and the operation platform are steel structures, and the preset height of the operation platform is 2.3 mm.
9. The gas turbine natural gas pretreatment system of claim 1 or 8, wherein the operation platform is a steel grid structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122212093.2U CN215595733U (en) | 2021-09-13 | 2021-09-13 | Gas turbine natural gas pretreatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122212093.2U CN215595733U (en) | 2021-09-13 | 2021-09-13 | Gas turbine natural gas pretreatment system |
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| Publication Number | Publication Date |
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| CN215595733U true CN215595733U (en) | 2022-01-21 |
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| CN202122212093.2U Active CN215595733U (en) | 2021-09-13 | 2021-09-13 | Gas turbine natural gas pretreatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230258127A1 (en) * | 2022-02-16 | 2023-08-17 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Turbine Engine Gas-Inlet Cooling System and Turbine Engine Apparatus |
-
2021
- 2021-09-13 CN CN202122212093.2U patent/CN215595733U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230258127A1 (en) * | 2022-02-16 | 2023-08-17 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Turbine Engine Gas-Inlet Cooling System and Turbine Engine Apparatus |
| US11867120B2 (en) * | 2022-02-16 | 2024-01-09 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Turbine engine gas-inlet cooling system and turbine engine apparatus |
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