CN106753630A - A kind of gas hydrates synthesize decomposer and synthesis technique - Google Patents
A kind of gas hydrates synthesize decomposer and synthesis technique Download PDFInfo
- Publication number
- CN106753630A CN106753630A CN201610984748.9A CN201610984748A CN106753630A CN 106753630 A CN106753630 A CN 106753630A CN 201610984748 A CN201610984748 A CN 201610984748A CN 106753630 A CN106753630 A CN 106753630A
- Authority
- CN
- China
- Prior art keywords
- reactor
- natural gas
- gas
- decomposer
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 150000004677 hydrates Chemical class 0.000 title claims abstract description 31
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 16
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims abstract description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 64
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000007789 gas Substances 0.000 claims abstract description 38
- 239000003345 natural gas Substances 0.000 claims abstract description 32
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 22
- 238000007599 discharging Methods 0.000 claims abstract description 18
- 230000033228 biological regulation Effects 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000010926 purge Methods 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 230000035484 reaction time Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims description 3
- 238000011105 stabilization Methods 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 2
- 238000003860 storage Methods 0.000 abstract description 2
- 230000032258 transport Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 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 description 2
- 206010020852 Hypertonia Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/108—Production of gas hydrates
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Synthesis and decomposer the present invention relates to gas hydrates, there is provided a kind of gas hydrates synthesize decomposer, including columnar reactor, it is characterized in that, the reactor is vertically arranged, and internal helicoid is provided with heat exchanger tube, and heat exchanger tube is connected with outside cold heat interchanger；Side connection compressed natural gas bottle and the nitrogen cylinder of reactor, opposite side are provided with tail gas discharging pipe；One end connection charging aperture of reactor, the other end connection discharging opening and discharge outlet.The present invention stably stores and discharges the natural gas in gas hydrates, is the storage of natural gas, transports and using brand-new a method and approach is opened up, be advantageously implemented with the commercial applications of gas hydrates mode transportation of natural gas.
Description
Technical field
Synthesis and decomposer the present invention relates to gas hydrates, and in particular to a kind of gas hydrates synthesis point
Solution device and synthesis decomposition technique.
Background technology
Gas hydrates are a kind of cleaning, the novel energy of reserves efficient, high, and its huge energy potentiality attracts various countries
Numerous and confused input a huge sum of money and manpower are studied it.The current research to gas hydrates is concentrated mainly on mineral reserve and opens
Adopt, the aspect such as the origin cause of formation, kinetic mechanism, formation condition.Gas hydrates（NGH）Storaging and transport technology is to grind both at home and abroad in recent years
The new technology for study carefully, developing, domestic at present to be still in laboratory development, foreign countries do not form large-scale business yet
Change application.NGH is compared with liquefied natural gas, and technical requirements are low, and energy consumption is low, and up-front investment cost is substantially reduced；NGH pressure stores
Less than compressed natural gas, the safety and reliability of system is increased.Therefore, one is built up to be enclosed within compared with realization under temperate condition soon
Speed, it is efficiently synthesized gas hydrates and safe efficient discharge natural gas experimental system and be very important.
The content of the invention
The present invention in order to it is quick, efficiently synthesize gas hydrates, and safely, effectively discharge natural gas, formed a set of
It is economical, efficiently synthesize with the system for decomposing natural gas, carry out material preparation to open up new natural gas accumulating mode from now on conscientiously
A kind of condition, there is provided simple structure, easy to operate gas hydrates synthesize decomposer and are synthesized and divided using the device
Solution technique.
The present invention uses following technical scheme to realize,
A kind of gas hydrates synthesize decomposer, including columnar reactor, it is characterised in that the reactor is vertical
Set, internal helicoid is provided with heat exchanger tube, the import and export of heat exchanger tube are connected with outside cold heat interchanger；The side of reactor connects
Compressed natural gas bottle and nitrogen cylinder are connect, natural gas bottle and nitrogen cylinder access reactor by voltage regulating station and mass flowmenter machine, separately
Side is connected by volume flowmeter with tail gas discharging pipe；Reactor one end connection charging aperture, the other end connection discharging opening and
Discharge outlet.
Further, the reactor two-piece unit connection, middle part is connected by flange, and charging aperture is located at upper end, discharging
Mouth is located at bottom, and the air inlet of compressed natural gas is located at bottom.
Further, the compressed natural gas bottle and natural gas discharge pipe are all connected with pressure control device, pressure control device with have
Two grades of pressure regulation stand control connections of control pressure system.
Further, the outer wall of the reactor is provided with pressure tap, thermometer hole and sample tap.
Synthesize the synthesis technique of decomposer using above-mentioned gas hydrates, comprise the following steps：
1）Open nitrogen bottle valve, the air in nitrogen purging discharge reactor；
2）Temperature in regulation reactor is to 1-6 DEG C；
3）After temperature stabilization, raw material is added from charging aperture；
4）High-pressure natural gas, to the laggard dereaction kettles of 3-8MPa, are opened by the first order control pressure system pressure regulation in two grades of control pressure systems
Begin to react；
5）Reaction time 3-8 hours, reaction terminating after pressure and temperature balance formed gas hydrates；
6）Exhaust outlet is opened, reactor step-down, heat exchanger tube is warming up to 5-15 DEG C；
7）Dewatering outlet is opened, and discharges waste water；
8）Discharging opening is opened, nitrogen valve is opened, product is discharged using material self gravitation and nitrogen.
The present invention is advantageous in that, efficiently, quick, economically synthesis of natural gas hydrate, stably store and release
The natural gas in gas hydrates is put, is the storage of natural gas, transported and using brand-new a method and approach is opened up, have
Beneficial to realization with the commercial applications of gas hydrates mode transportation of natural gas.The simple operations of this technique overall structure are convenient,
Technical requirements are low, control each response parameter accurate；Scale removal process is convenient, and the pollution to environment is small；Economically feasible.
Brief description of the drawings
Fig. 1 schematic structural views of the invention；
1. charging aperture in figure, 2. heat exchanger tube, 3. tail gas discharging pipe, 4. thermometer hole, 5. pressure tap, 6. air inlet, 7. nitrogen cylinder, 8.
Compressed natural gas bottle, 11. reactors, 12. sample taps, 13. discharge outlet, 14. discharging openings, 15. ventholes.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in figure 1, the invention provides a kind of gas hydrates synthesis decomposer, including sealed cylindrical shape is anti-
Kettle 11 is answered, to be vertically arranged, internal helicoid is provided with heat exchanger tube 2 to reactor 11, and heat exchanger tube 2 is connected with outside cold heat interchanger；
The side of reactor 11 connects compressed natural gas bottle 8 and nitrogen cylinder 7 by air inlet 6, and the top of opposite side is provided with exhaust emissions
Pipe 3；One end connection charging aperture 1 of reactor, natural gas bottle and nitrogen cylinder access reaction by voltage regulating station and mass flowmenter machine
Kettle, opposite side is connected by volume flowmeter with tail gas discharging pipe, the other end connection discharging opening 14 and discharge outlet 13, charging aperture 1
Side is provided with the venthole 15 of hypertonia when preventing charging.
In order that reaction is more thoroughly, charging aperture is located at upper end, and discharging opening 14 is located at bottom, the air inlet of compressed natural gas
Positioned at bottom, such raw material mixing is more uniform.
In order to realize pressure control, compressed natural gas bottle 8 and tail gas discharging pipe 3 are all connected with pressure control device, pressure control device and pressure regulation
Stand control is connected.
Course of reaction needs to carry out temperature and pressure real-time control, and the outer wall of reactor is provided with pressure tap 5 and thermometer hole
4, in addition in order to observe the operation such as internal procedure and sample examination, opposite side is provided with sample tap 12.
Synthesize the synthesis technique of decomposer using above-mentioned gas hydrates, comprise the following steps：
1）Open nitrogen bottle valve, the air in nitrogen purging discharge reactor；
2）Temperature in regulation reactor is to 1-6 DEG C；
3）After temperature stabilization, raw material is added from charging aperture；
4）High-pressure natural gas, to the laggard dereaction kettles of 3-8MPa, are opened by the first order control pressure system pressure regulation in two grades of control pressure systems
Begin to react；
5）Reaction time 3-8 hours, reaction terminating after pressure and temperature balance；
6）Exhaust outlet is opened, reactor step-down, heat exchanger tube is warming up to 5-15 DEG C；
7）Dewatering outlet is opened, and discharges waste water；
8）Discharging opening is opened, nitrogen valve is opened, product is discharged using material self gravitation and nitrogen.
When the present invention is implemented, the natural gas needed for gas hydrates synthesis passes through two grades by high-pressure natural gas feed system
There is provided after one-level pressure regulation in control pressure system, by the second voltage regulations of two grades of control pressure systems to slightly higher after gas hydrate dissociation
Gas system is used in being discharged after atmospheric pressure or entering other.The Main Function one of high pressure nitrogen feed system is logical in a kettle.
Nitrogen purging is carried out before entering natural gas, two is effectively to discharge the gas hydrates or leftover materials of synthesis.It is of the invention to have
Beneficial effect is that gas hydrates are synthesized and decomposed simultaneously in same system, also can be simple by the gas hydrates for synthesizing
Effective discharge system.Above-mentioned technique and device can realize gas hydrates it is simple, efficiently synthesize and decomposition.
Claims (5)
1. a kind of gas hydrates synthesis decomposer, including columnar reactor, it is characterised in that the reactor is erected
Straight to set, internal helicoid is provided with heat exchanger tube, and the import and export of heat exchanger tube are connected with outside cold heat interchanger；The side of reactor
Connection compressed natural gas bottle and nitrogen cylinder, natural gas bottle and nitrogen cylinder access reactor by voltage regulating station and mass flowmenter machine,
Opposite side is connected by volume flowmeter with tail gas discharging pipe；One end connection charging aperture of reactor, other end connection discharging opening
And discharge outlet.
2. gas hydrates according to claim 1 synthesize decomposer, it is characterised in that the reactor divides up and down
Body is connected, and middle part is connected by flange, and charging aperture is located at upper end, and discharging opening is located at bottom, and the air inlet of compressed natural gas is located at
Bottom.
3. gas hydrates according to claim 2 synthesize decomposer, it is characterised in that the compressed natural gas bottle
Pressure control device is all connected with tail gas discharging pipe, pressure control device is connected with the pressure regulation stand control with two grades of control pressure systems.
4. gas hydrates according to claim 3 synthesize decomposer, it is characterised in that the outer wall of the reactor
Pressure tap and thermometer hole are provided with, opposite side is provided with sample tap.
5. synthesize the synthesis technique of decomposer using the gas hydrates described in claim 4, it is characterised in that including with
Lower step：
1）Open nitrogen bottle valve, the air in nitrogen purging discharge reactor；
2）Temperature in regulation reactor is to 1-6 DEG C；
3）After temperature stabilization, raw material is added from charging aperture；
4）High-pressure natural gas, to the laggard dereaction kettles of 3-8MPa, are opened by the first order control pressure system pressure regulation in two grades of control pressure systems
Begin to react；
5）Reaction time 3-8 hours, reaction terminating after pressure and temperature balance；
6）Exhaust outlet is opened, reactor step-down, heat exchanger tube is warming up to 5-15 DEG C；
7）Dewatering outlet is opened, and discharges waste water；
8）Discharging opening is opened, nitrogen valve is opened, product is effectively discharged using nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610984748.9A CN106753630A (en) | 2016-11-09 | 2016-11-09 | A kind of gas hydrates synthesize decomposer and synthesis technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610984748.9A CN106753630A (en) | 2016-11-09 | 2016-11-09 | A kind of gas hydrates synthesize decomposer and synthesis technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106753630A true CN106753630A (en) | 2017-05-31 |
Family
ID=58972431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610984748.9A Pending CN106753630A (en) | 2016-11-09 | 2016-11-09 | A kind of gas hydrates synthesize decomposer and synthesis technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106753630A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107159058A (en) * | 2017-06-29 | 2017-09-15 | 新疆科力新技术发展股份有限公司 | The method for automating high-temperature high-voltage reaction device and gasification and non-vaporized synthesis |
| CN108671858A (en) * | 2018-08-06 | 2018-10-19 | 西南石油大学 | A kind of hydrate Fast back-projection algorithm device and method |
| CN108732006A (en) * | 2018-04-28 | 2018-11-02 | 防灾科技学院 | The decomposition of liquid nitrogen frozen gas hydrates sample and measuring device and its method |
| CN108758322A (en) * | 2018-05-24 | 2018-11-06 | 燕山大学 | The hydrate state underground storage system of natural gas |
| CN109637327A (en) * | 2018-12-19 | 2019-04-16 | 青岛理工大学 | Three-dimensional analogue test high-pressure gas supply system of deep water combustible ice step-down trial production |
| CN110375146A (en) * | 2019-08-07 | 2019-10-25 | 华孚油气工程技术成都有限公司 | Plumber's skill is changed in a kind of closure of oil pipeline hydrate |
| CN112226258A (en) * | 2020-10-12 | 2021-01-15 | 黑龙江科技大学 | NGH decomposition device and constant-temperature decomposition system for gas station |
| GB2590402A (en) * | 2019-12-16 | 2021-06-30 | Equinor Energy As | Method and system for compressing gas |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1440832A (en) * | 2003-04-01 | 2003-09-10 | 中国地质大学（武汉） | Comprehensive test equipment for natural gas hydrate |
| CN101451985A (en) * | 2008-12-24 | 2009-06-10 | 大连理工大学 | Detection device for synthesizing and decomposing gas hydrate |
| CN203411518U (en) * | 2013-01-14 | 2014-01-29 | 中国市政工程华北设计研究总院 | Natural gas hydrate synthetizing and decomposing integrated device |
| CN105424734A (en) * | 2016-01-12 | 2016-03-23 | 大连理工大学 | Low-temperature high-pressure control device for observing aquo-complex generation and decomposition characteristics through X-ray CT device |
-
2016
- 2016-11-09 CN CN201610984748.9A patent/CN106753630A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1440832A (en) * | 2003-04-01 | 2003-09-10 | 中国地质大学（武汉） | Comprehensive test equipment for natural gas hydrate |
| CN101451985A (en) * | 2008-12-24 | 2009-06-10 | 大连理工大学 | Detection device for synthesizing and decomposing gas hydrate |
| CN203411518U (en) * | 2013-01-14 | 2014-01-29 | 中国市政工程华北设计研究总院 | Natural gas hydrate synthetizing and decomposing integrated device |
| CN105424734A (en) * | 2016-01-12 | 2016-03-23 | 大连理工大学 | Low-temperature high-pressure control device for observing aquo-complex generation and decomposition characteristics through X-ray CT device |
Non-Patent Citations (3)
| Title |
|---|
| 国家安全生产监督管理总局宣传教育中心: "《职工安全生产知识读本 化工行业》", 30 August 2006, 中国工人出版社 * |
| 邹才能等: "《非常规油气地质学》", 30 August 2014, 地质出版社 * |
| 顾顺符等: "《管道工程安装手册》", 30 November 1985, 中国建筑工业出版社 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107159058A (en) * | 2017-06-29 | 2017-09-15 | 新疆科力新技术发展股份有限公司 | The method for automating high-temperature high-voltage reaction device and gasification and non-vaporized synthesis |
| CN108732006A (en) * | 2018-04-28 | 2018-11-02 | 防灾科技学院 | The decomposition of liquid nitrogen frozen gas hydrates sample and measuring device and its method |
| CN108758322A (en) * | 2018-05-24 | 2018-11-06 | 燕山大学 | The hydrate state underground storage system of natural gas |
| CN108671858A (en) * | 2018-08-06 | 2018-10-19 | 西南石油大学 | A kind of hydrate Fast back-projection algorithm device and method |
| CN108671858B (en) * | 2018-08-06 | 2023-06-27 | 西南石油大学 | Quick synthesis device and method for hydrate |
| CN109637327A (en) * | 2018-12-19 | 2019-04-16 | 青岛理工大学 | Three-dimensional analogue test high-pressure gas supply system of deep water combustible ice step-down trial production |
| CN110375146A (en) * | 2019-08-07 | 2019-10-25 | 华孚油气工程技术成都有限公司 | Plumber's skill is changed in a kind of closure of oil pipeline hydrate |
| GB2590402A (en) * | 2019-12-16 | 2021-06-30 | Equinor Energy As | Method and system for compressing gas |
| GB2590402B (en) * | 2019-12-16 | 2022-06-22 | Equinor Energy As | Method and system for compressing gas |
| CN112226258A (en) * | 2020-10-12 | 2021-01-15 | 黑龙江科技大学 | NGH decomposition device and constant-temperature decomposition system for gas station |
| CN112226258B (en) * | 2020-10-12 | 2021-07-09 | 黑龙江科技大学 | NGH decomposition device and constant-temperature decomposition system for gas station |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106753630A (en) | A kind of gas hydrates synthesize decomposer and synthesis technique | |
| CN103861444B (en) | A kind of collecting carbonic anhydride based on hydrate and desalinization combined production device and method | |
| CN104925755A (en) | Hydrogen purification device protection system and method based on methanol water reforming hydrogen production system | |
| US20210324282A1 (en) | Method and system for processing biogas | |
| CN104177325B (en) | A kind of apparatus and method preparing trioxymethylene | |
| CN104130804B (en) | Carbonaceous material gasification process | |
| CN102126905B (en) | Method and device for preparing liquefied methane by using synthesis ammonia tail gas | |
| CN202921278U (en) | Efficient heat exchange reactor | |
| CN104557615B (en) | A kind of process units of urea synthesis solution | |
| CN201648351U (en) | Light-hydrocarbon fuel gas preparation system | |
| CN208135896U (en) | Skid-mounted type methanol and vapor plasma method reformation hydrogen production device of air | |
| CN114014265B (en) | Liquid organic hydrogen storage device and method | |
| CN100415698C (en) | Method for continuous preparation of solid natural gas | |
| CN110345384A (en) | A kind of shale gas hydrate slurry rapid transport discharge mechanism and method | |
| CN205279602U (en) | BOG recovery system | |
| CN206692340U (en) | A kind of mobile ammonia gas generating device | |
| CN103936009B (en) | A kind of thermal decomposition of silane produces the device and method of nano level high-purity silicon powder | |
| CN204417412U (en) | The direct coal liquifaction testing apparatus of a kind of hot melt process | |
| CN204097414U (en) | A kind of supercritical processing apparatus and carbonaceous material gasification system | |
| CN213912459U (en) | Perfluoroisobutyronitrile gas separation and purification tower | |
| CN204162411U (en) | Dry hydrogen production equipment | |
| CN111852404B (en) | Associated gas recovery processing device and method | |
| CN112897460A (en) | Portable hydrogen production reactor | |
| CN218539307U (en) | Container type ethanol hydrogen production device | |
| CN202590631U (en) | Phase-change separating equipment used for gas, solid and liquid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |