CN212454555U - Natural gas separate-transmission magnetic coupling power generation system - Google Patents
Natural gas separate-transmission magnetic coupling power generation system Download PDFInfo
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- CN212454555U CN212454555U CN202020644365.9U CN202020644365U CN212454555U CN 212454555 U CN212454555 U CN 212454555U CN 202020644365 U CN202020644365 U CN 202020644365U CN 212454555 U CN212454555 U CN 212454555U
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Abstract
The utility model discloses a natural gas divides defeated magnetism coupling power generation system, including the high pressure gas transmission pipeline of connecting the gas transmission station, supply low reaches user's low pressure gas transmission pipeline, wherein be equipped with at least one magnetic coupling between high pressure gas-supply pipe and low pressure gas transmission pipeline and with the pressure energy that consumes in the high pressure gas transmission pipeline, this magnetic coupling's input is connected with air current power device, its output is connected with the generator. Use the utility model discloses, through the magnetic coupling with the gas transmission pipeline in the required pressure energy that reduces convert mechanical energy into and drive the generator electricity generation, carry the electric energy for the low reaches electric wire netting, improve the utilization ratio of natural gas, avoid the wasting of resources.
Description
Technical Field
The utility model relates to a natural gas divides defeated pressure energy recycle, especially a natural gas divides defeated magnetism coupling power generation system.
Background
With the continuous improvement of natural gas pipe networks in China, the energy utilization of natural gas is widely concerned. The pressure of most natural gas long-distance pipelines at home and abroad is over 10 MPa. And the natural gas distribution transmission stations and the natural gas receiving stations in all regions regulate the pressure of the main pipeline natural gas according to the gas supply pressure requirements of downstream users and supply the regulated pressure to urban gas users. In the process of converting high pressure into low pressure, a large amount of pressure energy is released, and if the pressure energy cannot be effectively utilized, resources are wasted.
At present, a project for generating power by using pressure release energy is disclosed, the project adopts a turbine generator, the application of the turbine generator needs to punch a hole on a pipeline and install a shaft sleeve, zero leakage cannot be guaranteed by the prior shaft sleeve technology, and if sparks are caused in the operation process of the shaft sleeve, great potential safety hazards exist. Therefore, how to solve the above problems is an urgent problem to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a natural gas divides defeated magnetism coupling power generation system, this system utilize the pressure energy in the magnetism shaft coupling consumption high pressure pipeline in order to satisfy low pressure pipeline's pressure requirement, and with the pressure energy conversion mechanical energy of consumption and transmit the outer generator of pipeline through the magnetic transmission mode, realize the technological effect of zero leakage.
In order to solve the above problem, the technical scheme of the utility model is that: the natural gas separate transmission magnetic coupling power generation system comprises a high-pressure gas transmission pipeline connected with a gas transmission station and a low-pressure gas transmission pipeline for downstream users, wherein at least one magnetic coupling is arranged between the high-pressure gas transmission pipeline and the low-pressure gas transmission pipeline to consume pressure energy in the high-pressure gas transmission pipeline, the input end of the magnetic coupling is connected with an airflow power device, and the output end of the magnetic coupling is connected with a power generator.
In the above natural gas distribution magnetic coupling power generation system, the high-pressure gas transmission pipeline is a gas transmission pipeline which does not meet the standard pressure energy supplied by the downstream user, and the low-pressure gas transmission pipeline is a gas transmission pipeline which meets the standard pressure energy supplied by the downstream user.
In the natural gas distribution magnetic coupling power generation system, the magnetic coupling comprises a first connecting component and a second connecting component which are respectively and oppositely arranged inside and outside the gas transmission pipeline, the first connecting component is connected with the airflow power device, the second connecting component is connected with the power generator, and magnetic transmission is formed between the first connecting component and the second connecting component; the air flow power device drives the generator to generate electricity through the magnetic coupler, the magnetic substance of the first connecting assembly is driven to rotate through the air flow power device, the magnetic substance of the first connecting assembly is driven to the magnetic substance of the second connecting assembly through magnetic force, the generator can be driven to rotate, the structure realizes shaftless transmission, the zero leakage of the sealing effect in the pipeline can be ensured, and the energy loss caused by the factors such as sealing friction to the transmission shaft and other parts can be avoided.
Foretell natural gas divides defeated magnetism coupling power generation system is equipped with the tubular construction that is used for installing first connecting elements on gas transmission pipeline, and this tubular construction is the groove structure that the inside pipe wall set up, and first connecting elements installs in groove structure to reduce the pressure impact who receives the natural gas flow, ensure the steadiness of installation.
According to the natural gas separate transmission magnetic coupling power generation system, the pressure regulating pry is arranged between the magnetic coupling and the low-pressure gas transmission pipeline, and the requirement of a downstream user can be met only by setting the outlet pressure standard of the pressure regulating pry.
In the above-mentioned natural gas distribution magnetic coupling power generation system, the airflow power device is an impeller device, the impeller device includes a fan blade, and the direction of the fan blade is parallel to or perpendicular to the airflow conveying direction, or may form a certain angle with the airflow conveying direction.
In the natural gas distribution and transmission magnetic coupling power generation system, the pipeline between the high-pressure gas transmission pipeline and the magnetic coupling is provided with the main switch valve for switching on and off the gas circulation of the main line, so that the low-pressure gas transmission pipeline and the magnetic coupling are conveniently maintained.
In the natural gas distribution and transmission magnetic coupling power generation system, the magnetic couplings are connected in series on the main line between the high-pressure gas transmission pipeline and the low-pressure gas transmission pipeline.
In the natural gas separate transmission magnetic coupling power generation system, the magnetic coupling is connected in parallel on the main line between the high-pressure gas transmission pipeline and the low-pressure gas transmission pipeline, so that the normal natural gas separate transmission is not influenced when the magnetic coupling or the generator is maintained.
In the natural gas distribution magnetic coupling power generation system, branch switch valves are respectively installed on two branches connected in parallel to control branch gas circulation, two branch switch valves are arranged on the branches of the magnetic coupling, and the two branch switch valves are respectively arranged on pipelines on two sides of the magnetic coupling; according to actual requirements, the on-off of the two branch lines is respectively adjusted through the branch line switch valves so as to select whether the magnetic coupling is adopted or not.
The utility model adopts the above structure, through be equipped with the magnetic coupling between high pressure gas transmission pipeline and low pressure gas transmission pipeline, the required pressure energy that reduces in the pipeline makes air current power device produce power, and this power drives the generator through the magnetic coupling and generates electricity, and whole technical scheme not only reaches the pressure energy reduction purpose, utilizes the pressure energy that reduces to generate electricity moreover, has improved the utilization ratio of natural gas greatly, has avoided the wasting of resources, has spreading value.
Drawings
The invention will be described in further detail with reference to specific embodiments in the drawings, which are not to be construed as limiting the invention in any way.
Fig. 1 is a schematic structural view of the natural gas distribution magnetic coupling power generation system of the present invention;
FIG. 2 is a schematic diagram of a first embodiment of the present invention;
fig. 3 is a schematic diagram of a second embodiment of the present invention.
In the figure: 1 is high pressure gas transmission pipeline, 2 is low pressure gas transmission pipeline, 3 is magnetic coupling, 31 is first connecting piece, 32 is the second connecting piece, 4 is the air current power device, 5 is the generator, 6 is the tube inner structure, 7 is the pressure regulating sled, and a is main ooff valve, and b is the branch switch valve.
Detailed Description
As shown in fig. 1 to 3, the natural gas separate-delivery magnetic coupling power generation system includes a high-pressure gas delivery pipeline 1 connected to a gas delivery station, and a low-pressure gas delivery pipeline 2 for downstream users, wherein a magnetic coupling 3 is disposed between the high-pressure gas delivery pipeline 1 and the low-pressure gas delivery pipeline 2 to consume pressure energy in the high-pressure gas delivery pipeline 1, the magnetic coupling 3 includes a first connection component 31 and a second connection component 32, which are respectively disposed in and out of the gas delivery pipeline, the first connection component 31 is installed in a groove structure of the gas delivery pipeline and is connected with an impeller device 4 as an input end of the magnetic coupling 3, the second connection component 32 is installed outside the gas delivery pipeline and is connected with a generator 5 as an output end of the magnetic coupling 3, and a magnetic transmission is formed between the first connection component 31 and the second connection component 32.
A pressure regulating pry 7 is arranged between the magnetic coupling 3 and the low-pressure gas transmission pipeline 2, and the low-pressure standard which meets downstream users is 3Mpa on the assumption that the high-pressure gas transmission pipeline 1 has 6Mpa pressure energy. Even if the magnetic coupling 3 reduces the pressure in the pipeline and can not meet the low-pressure standard of a downstream user, the standard can be realized by directly setting the pressure energy of the outlet of the pressure regulating pry 7 to be 3 Mpa. The specific process is as follows: 6Mpa → magnetic coupling power generation → 4Mpa → pressure regulating pry → 3MPA → downstream users.
Detailed description of the preferred embodiment
As shown in fig. 2, the natural gas separate transmission magnetic coupling power generation system includes a high-pressure gas transmission pipeline 1 connected to a gas transmission station and a low-pressure gas transmission pipeline 2 for downstream users, two magnetic couplings 3 are arranged between the high-pressure gas transmission pipeline 1 and the low-pressure gas transmission pipeline 2 to consume pressure energy in the high-pressure gas transmission pipeline 1, the two magnetic couplings 3 are connected in series on a main line between the high-pressure gas transmission pipeline 1 and the low-pressure gas transmission pipeline 2, a pressure regulating lever 7 is arranged between the last magnetic coupling 3 and the low-pressure gas transmission pipeline 2 in the natural gas flow direction, and a main switch valve a is arranged between the first magnetic coupling 3 and the high-pressure gas transmission pipeline 1 in the natural gas flow direction.
In the normal natural gas distribution and transmission process, natural gas transmission airflow drives a generator 5 to generate electricity through a magnetic coupling 3; when the magnetic coupling 3 or the generator 5 needs to be maintained, the main switch valve a is closed, and normal natural gas distribution is stopped;
detailed description of the invention
As shown in fig. 3, the natural gas separate transmission magnetic coupling power generation system includes a high-pressure gas transmission pipeline 1 connected to a gas transmission station and a low-pressure gas transmission pipeline 2 for downstream users, two magnetic couplings 3 are arranged between the high-pressure gas transmission pipeline 1 and the low-pressure gas transmission pipeline 2 to consume pressure energy in the high-pressure gas transmission pipeline 1, the two magnetic couplings 3 are respectively connected in parallel to a main line between the high-pressure gas transmission pipeline 1 and the low-pressure gas transmission pipeline 2, two branch switch valves b are arranged on branch lines of the magnetic couplings 3, one branch switch valve b is arranged on the other branch line connected in parallel to the magnetic couplings 3, a pressure regulating lever 7 is arranged between the last magnetic coupling 3 in the natural gas flow direction and the low-pressure gas transmission pipeline 2, and a main switch valve a is arranged between the first magnetic coupling 3 in the natural gas flow direction and the high-pressure gas transmission pipeline 1.
In the normal natural gas distribution and transmission process, a branch line switch valve b on the other branch line connected with the magnetic coupling 3 in parallel is closed, and natural gas transmission airflow drives the generator 5 to generate electricity through the magnetic coupling 3; when the magnetic coupling 3 or the generator 5 needs to be maintained, the branch line switch valve b on the other branch line connected with the magnetic coupling 3 in parallel is opened, and the branch line switch valve b on the branch line of the magnetic coupling 3 is closed.
The utility model discloses when concrete implementation, natural gas carries the air current and divides to be defeated to high pressure gas pipeline 1 in from the gas transmission station, and natural gas carries the air current through impeller device 4, and drive impeller device 4's flange rotation produces power, and this power drives the flange rotation of generator 5 through the magnetic drive mode of first coupling assembling 31 and second coupling assembling 32, makes generator 5 work, accomplishes whole natural gas and utilizes the process. In the process, the natural gas transport stream loses its pressure energy by passing through the impeller device 4, allowing the pressure to drop to approximately meet the pressure standards of downstream users.
To sum up, the present invention has been shown in the description and the drawings, and through preliminary tests, from the effect of the preliminary tests, it can be proved that the present invention can achieve the intended purpose, and the practical value is undoubted. The above-mentioned embodiments are only used to conveniently illustrate the present invention, and are not to the limit of the present invention in any form, and any person who knows commonly in the technical field has, if not in the scope of the technical features of the present invention, utilize the present invention to make the equivalent embodiment of local change or modification, and not to break away from the technical features of the present invention, and all still belong to the technical features of the present invention.
Claims (10)
1. Natural gas divides defeated magnetism coupling power generation system, including high pressure gas transmission pipeline (1) of connecting the gas transmission station, supply low reaches user's low pressure gas transmission pipeline (2), its characterized in that: at least one magnetic coupling (3) is arranged between the high-pressure gas transmission pipeline (1) and the low-pressure gas transmission pipeline (2) to consume pressure energy in the high-pressure gas transmission pipeline (1), the input end of the magnetic coupling (3) is connected with an airflow power device (4), and the output end of the magnetic coupling is connected with a generator (5).
2. The natural gas split magnetic coupling power generation system according to claim 1, wherein: the magnetic coupling (3) comprises a first connecting component (31) and a second connecting component (32) which are respectively and oppositely arranged inside and outside the gas transmission pipeline, the first connecting component (31) is connected with the airflow power device (4), the second connecting component (32) is connected with the generator (5), and magnetic transmission is formed between the first connecting component (31) and the second connecting component (32).
3. The natural gas split magnetic coupling power generation system according to claim 2, wherein: an inner pipe structure (6) for installing the first connecting component (31) is arranged on the gas transmission pipeline so as to ensure the installation stability of the first connecting component (31).
4. The natural gas split magnetic coupling power generation system according to claim 3, wherein: the pipe inner structure (6) is a groove structure arranged on the inner wall of the pipe.
5. The natural gas split magnetic coupling power generation system according to claim 1, wherein: a pressure regulating pry (7) is arranged between the magnetic coupling (3) and the low-pressure gas transmission pipeline (2) to ensure that the low-pressure gas transmission pipeline (2) can meet the low-pressure requirement of downstream users.
6. The natural gas split magnetic coupling power generation system according to claim 1, wherein: the airflow power device (4) is an impeller device.
7. The natural gas split magnetic coupling power generation system according to claim 1, wherein: a main switch valve (a) for switching on and off the gas circulation of the main line is arranged on the pipeline between the high-pressure gas transmission pipeline (1) and the magnetic coupling (3).
8. The natural gas split magnetic coupling power generation system according to any one of claims 1 to 7, wherein: the magnetic coupling (3) is connected in series on a main line between the high-pressure gas transmission pipeline (1) and the low-pressure gas transmission pipeline (2).
9. The natural gas split magnetic coupling power generation system according to any one of claims 1 to 7, wherein: the magnetic coupling (3) is connected in parallel on a main line between the high-pressure gas transmission pipeline (1) and the low-pressure gas transmission pipeline (2).
10. The natural gas split magnetic coupling power generation system of claim 9, wherein: branch line switch valves (b) are respectively installed on the two parallel branch lines to control the gas circulation of the branch lines, the branch lines of the magnetic coupling (3) are provided with the two branch line switch valves (b), and the two branch line switch valves (b) are respectively arranged on pipelines at two sides of the magnetic coupling (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020644365.9U CN212454555U (en) | 2020-04-25 | 2020-04-25 | Natural gas separate-transmission magnetic coupling power generation system |
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| CN202020644365.9U CN212454555U (en) | 2020-04-25 | 2020-04-25 | Natural gas separate-transmission magnetic coupling power generation system |
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| CN212454555U true CN212454555U (en) | 2021-02-02 |
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