CN210685946U - Device for decomposing natural gas hydrate by microwave heating - Google Patents
Device for decomposing natural gas hydrate by microwave heating Download PDFInfo
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- CN210685946U CN210685946U CN201921434757.6U CN201921434757U CN210685946U CN 210685946 U CN210685946 U CN 210685946U CN 201921434757 U CN201921434757 U CN 201921434757U CN 210685946 U CN210685946 U CN 210685946U
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- natural gas
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 34
- NMJORVOYSJLJGU-UHFFFAOYSA-N methane clathrate Chemical compound C.C.C.C.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O NMJORVOYSJLJGU-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 33
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 79
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- -1 natural gas hydrates Chemical class 0.000 description 5
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
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- 239000004033 plastic Substances 0.000 description 2
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Abstract
The utility model provides a microwave heating decomposes natural gas hydrate's device, the utility model relates to a natural gas warehousing and transportation field especially relates to a microwave heating decomposes natural gas hydrate's device, specifically is a quick decomposition device of natural gas hydrate. An object of the utility model is to provide a microwave heating decomposes natural gas hydrate's device utilizes the unique heating performance of microwave, and the heat is from the inside production of medium, and the temperature field is more even, and the effect of heating is higher than conventional heating efficiency, and properties such as easy operation carry out quick, energy-conserving, safe decomposition to natural gas hydrate, the utility model discloses the device can be applied to a plurality of application scenes such as gas station, gas company's reserves storehouse, power plant to and city, country, mountain area and other areas that are not convenient for build natural gas line, the utility model discloses the convenience in the natural gas use has been strengthened to the cost in the natural gas warehousing and transportation process has been reduced.
Description
Technical Field
The utility model relates to a natural gas warehousing and transportation field especially relates to a microwave heating decomposes device of natural gas hydrate, specifically is a quick decomposition device of natural gas hydrate.
Background
The huge resource potential of natural gas hydrate has attracted general attention in the oil and gas industry, and the research direction is not limited to the aspect of resource value, but also covers a plurality of fields such as hydrate prevention and control, hydrate utilization, potential influence of hydrate on the environment and the like. Among them, the research on hydrate utilization technology is relatively active in recent years, and has become a new key field in the research on natural gas hydrates.
In the hydrate utilization technology, research on hydrate storage and transportation natural gas technology is a major hot spot at present, and the research not only relates to key technologies such as rapid hydrate synthesis, safe hydrate storage and transportation, hydrate regasification and the like, but also relates to economic feasibility of the hydrate storage and transportation technology relative to the existing natural gas storage and transportation technology. Research shows that the hydrate is used for natural gas storage and transportation, so that the natural gas can be stored and transported in a solid state, the storage and transportation mode is more flexible and convenient, the cost for pipeline construction and maintenance can be saved, and a novel gas supply way is provided for remote areas without pipeline facilities or without the need of laying pipelines.
The theoretical basis of the hydrate natural gas storage and transportation technology is that the huge gas storage capacity of the natural gas hydrate is utilized, natural gas and water are synthesized into solid hydrate under certain conditions through a certain process, then the hydrate is transported to a gas storage station, and then the hydrate is gasified into natural gas. The hydrate method is adopted for storing and transporting natural gas, so that the volume of the natural gas can be greatly reduced, the solid storage and transportation method is very convenient, a brand new mode is provided for natural gas storage and transportation, the traditional storage method in the gas industry is changed, and the hydrate method is a novel technical system capable of solving seasonal natural gas supply shortage in China.
Microwaves are electromagnetic waves, like radio waves, infrared rays and visible light, and refer to electromagnetic waves with a frequency of 3OOMHz-300KMHz, i.e., electromagnetic waves with a wavelength of 1 m to 1 mm. When microwave meets different materials in the transmission process, reflection, absorption and penetration phenomena can be generated, the microwave has different penetration rates on different materials, almost totally reflects on metal, almost totally penetrates through glass, ceramic, polytetrafluoroethylene, polypropylene plastic and the like, and for other substances, the penetration depth changes along with the increase of wavelength, in other words, the frequency is related, the higher the frequency is, the shorter the wavelength is, and the penetration force is weaker.
The microwave has unique heating performance, different heating modes from other microwaves, heat is generated from the inside of a medium, a temperature field is uniform, and the microwave has many advantages, so that the microwave is widely applied to industries such as food, medicine and the like. Microwaves have proven to be a good means of heating. Experiments prove that the microwave can accelerate the decomposition of the natural gas hydrate, the heating effect is higher than that of the conventional heating method, the operation is simpler, and the microwave heating of the natural gas hydrate can reduce energy loss caused by the conventional heating method and improve the heating efficiency.
Disclosure of Invention
An object of the utility model is to provide a microwave heating decomposes natural gas hydrate's device utilizes the unique heating performance of microwave, and the heat is from the inside production of medium, and the temperature field is more even, and the effect of heating is higher than conventional heating efficiency, and properties such as easy operation carry out quick, energy-conserving, safe decomposition to natural gas hydrate, the utility model discloses the device can be applied to a plurality of application scenes such as gas station, gas company's reserves storehouse, power plant to and city, country, mountain area and other areas that are not convenient for build natural gas line, the utility model discloses the convenience in the natural gas use has been strengthened to the cost in the natural gas warehousing and transportation process has been reduced.
The embodiment of the utility model provides a device for decomposing natural gas hydrate by microwave heating, which comprises a decomposition device shell, an upper cover plate, a reaction chamber, a waveguide sleeve, an exhaust port, a water outlet and a microwave generator, the shell of the decomposition device is of a cuboid hollow structure, the waveguide sleeve is arranged inside the shell of the decomposition device and is arranged in a shape like a Chinese character 'tian' to divide the space in the shell of the decomposition device into four equal parts, the reaction chambers are internal spaces formed by the waveguide sleeve and the shell of the decomposition device, the number of the reaction chambers is four, the reaction chambers are communicated, the upper cover plate is arranged at the top of the shell of the decomposition device, the upper cover plate and the shell of the decomposition device form a seal, the exhaust port is arranged at the top of the upper cover plate and communicated with the reaction chamber, the water outlet is arranged at the bottom of the shell of the decomposition device and communicated with the reaction chamber, and the microwave generator is arranged on the outer wall of the shell of the decomposition device.
Preferably, the sealing connection mode of the upper cover plate and the shell of the decomposition device comprises a bolt connection mode, a snap connection mode and other conventional sealing connection modes.
Preferably, the waveguide sleeve includes antenna, antenna pedestal, antenna head, microwave shielding net, wave guide surface, waveguide mouth, waterproof shell, the antenna is connected with microwave generator, microwave shielding net sets up in the antenna outside, antenna pedestal, antenna head set up in microwave shielding net outer wall, and with the antenna is connected, the wave guide surface sets up in the antenna head outside, the waveguide mouth sets up in the wave guide surface, waterproof shell sets up in the wave guide surface outside to contact with reaction chamber.
More preferably, the waterproof casing material includes glass, ceramics, polytetrafluoroethylene, polypropylene plastics and other conventional waterproof and microwave-permeable materials.
The use method of the device for decomposing the natural gas hydrate by microwave heating comprises the following steps:
And 2, connecting the dehumidifying device and the natural gas pipeline with an exhaust port, and opening the exhaust port.
And 3, operating the microwave generator, heating the natural gas hydrate in the reaction chamber through the waveguide sleeve, and adjusting the operating power of the microwave generator according to the actual natural gas decomposition rate.
And 4, collecting and dehumidifying the decomposed natural gas through the exhaust port, the natural gas pipeline and the dehumidifying device, and conveying the natural gas to a using end.
And 5, after the natural gas hydrate is decomposed, opening the upper cover plate, and opening the water outlet to discharge water in the reaction chamber.
And the using end in the step 4 comprises a natural gas storage terminal such as a gas tank, an automobile, a pressure vessel and the like.
The utility model discloses a microwave heating decomposes natural gas hydrate's device beneficial effect is: (1) the utility model aims at providing a device for microwave heating and decomposing natural gas hydrate, which utilizes the unique heating performance of microwave, heat is generated from the inside of the medium, the temperature field is more uniform, the heating effect is higher than the conventional heating efficiency, the operation is simple, and the like, and the natural gas hydrate is quickly, energy-saving and safely decomposed; (2) the utility model discloses the device can be applied to a plurality of application scenes such as gas station, gas company's reserve storehouse, power plant, and city, rural area, mountain area and other areas that are not convenient for building natural gas line, the utility model discloses the convenience in the natural gas use has been strengthened, and the cost in the natural gas warehousing and transportation process has been reduced; (3) the utility model discloses the user end that docks includes natural gas storage terminals such as gas cylinder, car, pressure vessel, uses more in a flexible way.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic top view of the present invention.
Fig. 3 is a detailed structural diagram of the waveguide sleeve.
Fig. 4 is a schematic view of the arrangement of the waveguide surface and the waveguide port.
Fig. 5 is a schematic view of the operation of the device of the present invention.
Reference numerals: 1. the device comprises a decomposition device shell 2, an upper cover plate 3, a reaction chamber 4, a waveguide sleeve 5, an exhaust port 6, a water discharge port 7, a microwave generator 8, an antenna 9, an antenna base 10, an antenna head 11, a microwave shielding net 12, a wave guide surface 13, a wave guide port 14, a waterproof shell 15, a natural gas pipeline 16 and a dehumidifying device.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, is a schematic structural diagram of the present invention.
The embodiment of the utility model provides an including decomposer shell 1, upper cover plate 2, reaction chamber 3, waveguide sleeve 4, gas vent 5, outlet 6, microwave generator 7, decomposer shell 1 is cuboid hollow structure, waveguide sleeve 4 sets up inside decomposer shell 1, is the field font and arranges that 1 inner space of decomposer shell is divided into the quartering part, reaction chamber 3 is the inner space of waveguide sleeve 4 with the formation of decomposer shell 1, upper cover plate 2 arranges in 1 top of decomposer shell, upper cover plate 2 forms sealedly with decomposer shell 1, gas vent 5 arranges in 2 tops of upper cover plate and 3 intercommunications of reaction chamber, outlet 6 arranges in 1 bottom of decomposer shell and 3 intercommunications of reaction chamber, microwave generator 7 arranges in 1 outer wall of decomposer shell.
As shown in fig. 3 and 4, the detailed structure of the waveguide sleeve is schematically shown.
Waveguide sleeve 4 includes antenna 8, antenna pedestal 9, antenna head 10, microwave shielding net 11, guided wave face 12, waveguide mouth 13, waterproof housing 14, antenna 8 is connected with microwave generator 7, microwave shielding net 11 sets up in the antenna 8 outside, antenna pedestal 9, antenna head 10 set up in microwave shielding net 11 outer wall, and with antenna 8 is connected, guided wave face 12 sets up in the antenna head 10 outside, guided wave mouth 13 sets up in guided wave face 12, waterproof housing 14 sets up in guided wave face 12 outside to contact with reaction chamber 3.
As shown in fig. 5, the device of the present invention is schematically operated.
The utility model discloses during the operation, gas vent 5 is connected with dehydrating unit 16 through natural gas line 15, collects, dehumidifies through gas vent 5, natural gas line 15, dehydrating unit 16 the natural gas after the decomposition and handles to carry to the user end, the user end includes natural gas storage terminals such as gas tank, car, pressure vessel.
The use method of the device for decomposing the natural gas hydrate by microwave heating comprises the following steps:
And 2, connecting the dehumidifying device 16 and the natural gas pipeline 15 with the exhaust port 5, and opening the exhaust port 5.
And 3, operating the microwave generator 7, heating the natural gas hydrate in the reaction chamber 3 through the waveguide sleeve 4, and adjusting the operating power of the microwave generator 7 according to the actual natural gas decomposition rate.
And 4, collecting and dehumidifying the decomposed natural gas through the exhaust port 5, the natural gas pipeline 15 and the dehumidifying device 16, and conveying the natural gas to a using end.
And 5, after the natural gas hydrate is decomposed, opening the upper cover plate 2, and opening the water outlet 6 to discharge water in the reaction chamber 3.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (3)
1. A device for decomposing natural gas hydrate by microwave heating is characterized by comprising a decomposition device shell, an upper cover plate, a reaction chamber, a waveguide sleeve, an exhaust port, a water outlet and a microwave generator;
the utility model discloses a decomposition device, including decomposition device shell, waveguide sleeve, reaction chamber, upper cover plate, exhaust port, exhaust outlet, decomposition device shell, microwave generator, decomposition device shell outer wall, the decomposition device shell is cuboid hollow structure, waveguide sleeve sets up inside the decomposition device shell, is the field font and arranges that it divide into the quartering with decomposition device shell inner space, the reaction chamber is the inner space that waveguide sleeve and decomposition device shell formed, the upper cover plate is arranged in decomposition device shell top, the upper cover plate forms sealedly with the decomposition device shell, the exhaust port is arranged in upper cover plate top and reaction chamber intercommunication, the outlet is arranged in decomposition device shell.
2. The device for decomposing natural gas hydrate through microwave heating as claimed in claim 1, wherein the sealing connection manner of the upper cover plate and the outer shell of the decomposing device comprises a bolt connection and a snap connection.
3. The device for decomposing natural gas hydrate by microwave heating as claimed in claim 1, wherein the waveguide sleeve comprises an antenna, an antenna base, an antenna head, a microwave shielding net, a wave guide surface, a wave guide port and a waterproof casing, the antenna is connected with the microwave generator, the microwave shielding net is arranged outside the antenna, the antenna base and the antenna head are arranged on the outer wall of the microwave shielding net and connected with the antenna, the wave guide surface is arranged outside the antenna head, the wave guide port is arranged on the wave guide surface, and the waterproof casing is arranged outside the wave guide surface and is in contact with the reaction chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921434757.6U CN210685946U (en) | 2019-09-01 | 2019-09-01 | Device for decomposing natural gas hydrate by microwave heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921434757.6U CN210685946U (en) | 2019-09-01 | 2019-09-01 | Device for decomposing natural gas hydrate by microwave heating |
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| Publication Number | Publication Date |
|---|---|
| CN210685946U true CN210685946U (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921434757.6U Expired - Fee Related CN210685946U (en) | 2019-09-01 | 2019-09-01 | Device for decomposing natural gas hydrate by microwave heating |
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| CN (1) | CN210685946U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111810096A (en) * | 2020-07-17 | 2020-10-23 | 中国海洋石油集团有限公司 | Automatic microwave stirring, heating and decomposing device for natural gas hydrate and using method thereof |
-
2019
- 2019-09-01 CN CN201921434757.6U patent/CN210685946U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111810096A (en) * | 2020-07-17 | 2020-10-23 | 中国海洋石油集团有限公司 | Automatic microwave stirring, heating and decomposing device for natural gas hydrate and using method thereof |
| CN111810096B (en) * | 2020-07-17 | 2022-04-08 | 中国海洋石油集团有限公司 | Automatic microwave stirring, heating and decomposing device for natural gas hydrate and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210219 Address after: No.47, area a, floor 1, No.5, building 10, Taihai Garden community, Nangang District, Harbin City, Heilongjiang Province, 150096 Patentee after: Harbin Tongyuan Jiayang Energy Technology Co.,Ltd. Address before: 163000 Room 301, emerging industry incubator (Park), No.36, torch new street, high tech Zone, Daqing City, Heilongjiang Province Patentee before: DAQING DONGYOU RUIJIA PETROLEUM TECHNOLOGY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200605 |