CN204627556U - A kind of methane hydrate extracts tubing string - Google Patents
A kind of methane hydrate extracts tubing string Download PDFInfo
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- CN204627556U CN204627556U CN201520171351.9U CN201520171351U CN204627556U CN 204627556 U CN204627556 U CN 204627556U CN 201520171351 U CN201520171351 U CN 201520171351U CN 204627556 U CN204627556 U CN 204627556U
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- movable block
- exhaust tube
- fixed
- blade
- combustible ice
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Abstract
The utility model discloses a kind of methane hydrate and extracts tubing string, comprise exhaust tube and be placed in the center-pole of exhaust tube inside, being fixed with cross section at the end of described center-pole is circular movable block, the outer wall of described movable block is fixed with the heating tube of multiple parallel connection, exhaust tube inwall is fixed the cable that promising heating tube is powered, also comprise the aggregation cover that cross section is circular arc, described aggregation cover is fixed on the outer wall of exhaust tube hypomere; By aggregation cover and movable block to the decomposition step by step of combustible ice, the heat that flammable iced storage is merely able to slowly spreads, make exhaust tube to methane extract uninterrupted ensure that combustible ice can not be too fast simultaneously be decomposed and overflow, to avoid exploitation combustible ice to cause larger impact to environment, reach the object improving coefficient of mining and safety reliability.
Description
Technical field
The utility model relates to a kind of combustible ice exploitation field, specifically refers to that a kind of methane hydrate extracts tubing string.
Background technology
Methane hydrate also claims " combustible ice ", is the caged crystallization that methane gas and hydrone are formed, the two is separated, just can obtain common natural gas.This outside looks like the same material of ice and is formed under high pressure low temperature condition, and that is, it is present in the permafrost of continental shelf subsea strata and terrestrial pole usually.
Current estimation in the world combustible ice reserves reaches 3 and takes advantage of 10 16 powers to be equivalent to the twice of the natural gas gross reserves verified now, if therefore combustible ice resource is utilized widely, will greatly alleviate the situation of Future anxiety.If but " combustible ice " is revealed in exploitation, a large amount of methane gas decomposes out, atmosphere is entered via seawater, larger than carbon dioxide 21 times of the greenhouse effect of methane, therefore once this leakage can not get controlling, Global Greenhouse Effect will increase rapidly, after atmosphere calefaction, ocean temperature also will increase, formation temperature rises, and this can cause the automatic classifying of seabed " combustible ice ", causes vicious circle.Therefore, exploitation must be controlled, and the methane gas discharged can effectively be collected.
Utility model content
The purpose of this utility model is to provide a kind of methane hydrate to extract tubing string, facilitates the Fast Algorithm for Mining of combustible ice, reaches the object improving production efficiency and safety reliability.
The purpose of this utility model is achieved through the following technical solutions:
A kind of methane hydrate extracts tubing string, comprise exhaust tube and be placed in the center-pole of exhaust tube inside, being fixed with cross section at the end of described center-pole is circular movable block, the outer wall of described movable block is fixed with the heating tube of multiple parallel connection, exhaust tube inwall is fixed the cable that promising heating tube is powered, also comprise the aggregation cover that cross section is circular arc, described aggregation cover is fixed on the outer wall of exhaust tube hypomere, the inwall of described aggregation cover is provided with the reflecting plate matched with it, and the thickness of reflecting plate increases progressively along its center to two ends, described reflecting plate inwall being provided with multiple longitudinal section is leg-of-mutton reflection projection.During utility model works, by the upper end of exhaust tube fixing seal at flammable iced storage, aggregation cover and movable block are then inserted in flammable iced storage, movable block starts to underground moving under the driving of center-pole, heating tube is started working simultaneously, and its heat produced is applied to rapidly on combustible ice, and combustible ice gets started decomposition and namely forms the methane of gaseous state and liquid water after being heated, the methane of gaseous state is discharged by exhaust tube, the heat collection that heating tube discharges then is diffused to the bottom of flammable iced storage by the aggregation cover be fixed on exhaust tube, the cross section of aggregation cover is circular arc simultaneously, namely by center-pole move down and the propelling of movable block makes the solid combustible ice in flammable iced storage form one with the maximum outside diameter size of movable block for internal diameter, and melt part with the tubular that the maximum inner diameter size of aggregation cover is external diameter, and this tubular thawing part is from top to bottom decomposed gradually, gaseous state after decomposition is finally slowly discharged in flammable iced storage by exhaust tube, by aggregation cover and movable block to the decomposition step by step of combustible ice, the heat that flammable iced storage is merely able to slowly spreads, make exhaust tube to methane extract uninterrupted ensure that combustible ice can not be too fast simultaneously be decomposed and overflow, to avoid exploitation combustible ice to cause larger impact to environment, reach the object improving coefficient of mining and safety reliability,
Working as in center-pole folding process, the decomposed speed that the upper aggregation cover of tubular thawing part formed in flammable iced storage is mapped to is slower, and when the heating power of heating tube is stablized, the combustible ice decomposition rate that movable block is mapped to is greater than the combustible ice decomposition rate that aggregation cover is mapped to, namely the gaseous methane amount causing exhaust tube to extract only comes from tubular and melts portion centers place, extraction amount declines obviously, for overcoming this problem, fixed transmission plate on aggregation cover inwall, and multiple reflection projection is set on reflecting plate, the heat discharged by heating tube spills in aggregation cover, by reflecting plate and reflection projection to the stop of heat, bounce-back, and then increase heat melts part upper end action effect at tubular, the decomposition rate of the combustible ice as far as possible keeping aggregation cover and movable block to be mapped to, realize maximizing the object extracting gaseous methane.
The middle part of described movable block and bottom outer wall are separately installed with multiple first blade, the second blade.In the process that center-pole moves down, when particularly flammable iced storage geographic location is complicated, the downward jacking of movable block can be subject to the obstruction impact of rock or other geologic structures, applicant is studying through long-time, the middle part of movable block and bottom outer wall are fixed with multiple first blade and the second blade, when the downstream rate of movable block reduces, starting extraneous driving arrangement makes center-pole start to turn in flammable iced storage inward turning, by the first blade and the second blade to the cutting of bar to ensure that the stable of movable block presses down, improve the extraction efficiency of methane.
Described movable block inside has cavity, and is filled with rock wool in cavity.The heat that multiple heating tubes fixing on the outer wall of movable block produce is applied directly on solid-state combustible ice, and movable block itself also can be heated and cause own temperature to raise, cavity is offered in movable block inside, and rock wool is filled in cavity, by the heat-blocking action of rock wool, the heat that heating tube is produced is applied to solid combustible on ice completely, reduces the thawing efficiency of thermal loss and then raising combustible ice.
The length of described first blade is greater than the length of described second blade.The scope of the first blade effect is greater than the sphere of action of the second blade, as preferably, the length of the first blade is set to the length being greater than the second blade, and then increase the contact lead of the first blade and combustible ice, and then prevent the heating tube on the inwall of tubular thawing part and movable block outer wall from colliding and causing it impaired, reach the object in extension fixture application life.
The utility model compared with prior art, has following advantage and beneficial effect:
1, the utility model by aggregation cover and movable block to the decomposition step by step of combustible ice, the heat that flammable iced storage is merely able to slowly spreads, make exhaust tube to methane extract uninterrupted ensure that combustible ice can not be too fast simultaneously be decomposed and overflow, to avoid exploitation combustible ice to cause larger impact to environment, reach the object improving coefficient of mining and safety reliability;
The heat that multiple heating tubes fixing on the outer wall of 2, movable block of the present utility model produce is applied directly on solid-state combustible ice, and movable block itself also can be heated and cause own temperature to raise, cavity is offered in movable block inside, and rock wool is filled in cavity, by the heat-blocking action of rock wool, the heat that heating tube is produced is applied to solid combustible on ice completely, reduces the thawing efficiency of thermal loss and then raising combustible ice;
3, the length of the first blade is set to the length being greater than the second blade by the utility model, and then increase the contact lead of the first blade and combustible ice, and then prevent the heating tube on the inwall of tubular thawing part and movable block outer wall from colliding and causing it impaired, reach the object in extension fixture application life.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the utility model embodiment, forms a application's part, does not form the restriction to the utility model embodiment.In the accompanying drawings:
Fig. 1 is the utility model structural representation;
Mark and corresponding component title in accompanying drawing:
1-exhaust tube, 2-center-pole, 3-aggregation cover, 4-movable block, 5-first blade, 6-second blade, 7-cavity, 8-heating tube, 9-reflecting plate, 10-reflect projection.
Detailed description of the invention
Clearly understand for making the purpose of this utility model, technical scheme and advantage, below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, exemplary embodiment of the present utility model and explanation thereof are only for explaining the utility model, and conduct is not to restriction of the present utility model.
Embodiment 1
As shown in Figure 1, the present embodiment comprises exhaust tube 1 and is placed in the center-pole 2 of exhaust tube 1 inside, being fixed with cross section at the end of described center-pole 2 is circular movable block 4, the outer wall of described movable block 4 is fixed with the heating tube 8 of multiple parallel connection, exhaust tube 1 inwall is fixed the cable of promising heating tube 8 power supply, also comprise the aggregation cover 3 that cross section is circular arc, described aggregation cover 3 is fixed on the outer wall of exhaust tube 1 hypomere, the inwall of described aggregation cover 3 is provided with the reflecting plate 9 matched with it, and the thickness of reflecting plate 9 increases progressively along its center to two ends, described reflecting plate 9 inwall being provided with multiple longitudinal section is leg-of-mutton reflection projection 10, the middle part and bottom outer wall of described movable block 4 are separately installed with multiple first blade 5, second blade 6, described movable block 4 inside has cavity 7, and is filled with rock wool in cavity 7.
During utility model works, by exhaust tube 1 fixing seal in the upper end of flammable iced storage, aggregation cover 3 and movable block 4 are then inserted in flammable iced storage, movable block 4 starts to underground moving under the driving of center-pole 2, heating tube 8 is started working simultaneously, and its heat produced is applied to rapidly on combustible ice, and combustible ice gets started decomposition and namely forms the methane of gaseous state and liquid water after being heated, the methane of gaseous state is discharged by exhaust tube 1, the heat collection that heating tube 8 discharges then is diffused to the bottom of flammable iced storage by the aggregation cover 3 be fixed on exhaust tube 1, the cross section of aggregation cover 3 is circular arc simultaneously, namely by center-pole 2 move down and the propelling of movable block 4 makes the solid combustible ice in flammable iced storage form one with the maximum outside diameter size of movable block 4 for internal diameter, and melt part with the tubular that the maximum inner diameter size of aggregation cover 3 is external diameter, and this tubular thawing part is from top to bottom decomposed gradually, gaseous state after decomposition is finally slowly discharged in flammable iced storage by exhaust tube 1, by the decomposition step by step of aggregation cover 3 and movable block 4 pairs of combustible ices, the heat that flammable iced storage is merely able to slowly spreads, make the exhaust tube 1 pair of methane extract uninterrupted ensure that combustible ice can not be too fast simultaneously be decomposed and overflow, to avoid exploitation combustible ice to cause larger impact to environment, reach the object improving coefficient of mining and safety reliability, working as in center-pole 2 folding process, the decomposed speed that the upper aggregation cover 3 of tubular thawing part formed in flammable iced storage is mapped to is slower, and when the heating power of heating tube 8 is stablized, the combustible ice decomposition rate that movable block 4 is mapped to is greater than the combustible ice decomposition rate that aggregation cover 3 is mapped to, namely the gaseous methane amount causing exhaust tube 1 to extract only comes from tubular and melts portion centers place, extraction amount declines obviously, for overcoming this problem, fixed transmission plate 9 on aggregation cover 3 inwall, and multiple reflection projection 10 is set on reflecting plate 9, the heat discharged by heating tube 8 spills in aggregation cover 3, by reflecting plate 9 and the stop of reflecting projection 10 pairs of heats, bounce-back, and then increase heat melts part upper end action effect at tubular, the decomposition rate of the combustible ice as far as possible keeping aggregation cover 3 and movable block 4 to be mapped to, realize maximizing the object extracting gaseous methane.
In the process that center-pole 2 moves down, when particularly flammable iced storage geographic location is complicated, the downward jacking of movable block 4 can be subject to the obstruction impact of rock or other geologic structures, applicant is studying through long-time, the middle part of movable block 4 and bottom outer wall are fixed with multiple first blade 5 and the second blade 6, when the downstream rate of movable block 4 reduces, starting extraneous driving arrangement makes center-pole 2 start to turn in flammable iced storage inward turning, by the cutting of the first blade 5 and the second blade 6 pairs of bars to ensure that the stable of movable block 4 presses down, improve the extraction efficiency of methane, the heat that multiple heating tubes 8 fixing on the outer wall of movable block 4 produce is applied directly on solid-state combustible ice, and movable block 4 itself also can be heated and cause own temperature to raise, cavity 7 is offered in movable block 4 inside, and rock wool is filled in cavity 7, by the heat-blocking action of rock wool, the heat that heating tube 8 is produced is applied to solid combustible on ice completely, reduces the thawing efficiency of thermal loss and then raising combustible ice.
As preferably, the length of the first blade 5 is set to the length being greater than the second blade 6, and then increase the contact lead of the first blade 5 and combustible ice, and then prevent the heating tube 8 on the inwall of tubular thawing part and movable block 4 outer wall from colliding and causing it impaired, reach the object in extension fixture application life.
Above-described detailed description of the invention; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only detailed description of the invention of the present utility model; and be not used in restriction protection domain of the present utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a methane hydrate extracts tubing string, comprise exhaust tube (1) and be placed in the inner center-pole (2) of exhaust tube (1), it is characterized in that: being fixed with cross section at the end of described center-pole (2) is circular movable block (4), the outer wall of described movable block (4) is fixed with the heating tube (8) of multiple parallel connection, exhaust tube (1) inwall is fixed the cable that promising heating tube (8) is powered, also comprise the aggregation cover (3) that cross section is circular arc, described aggregation cover (3) is fixed on the outer wall of exhaust tube (1) hypomere, the inwall of described aggregation cover (3) is provided with the reflecting plate (9) matched with it, and the thickness of reflecting plate (9) increases progressively along its center to two ends, described reflecting plate (9) inwall being provided with multiple longitudinal section is leg-of-mutton reflection projection (10).
2. a kind of methane hydrate according to claim 1 extracts tubing string, it is characterized in that: on the middle part and bottom outer wall of described movable block (4), be separately installed with multiple first blade (5), the second blade (6).
3. a kind of methane hydrate according to claim 1 and 2 extracts tubing string, it is characterized in that: described movable block (4) inside has cavity (7), and be filled with rock wool in cavity (7).
4. a kind of methane hydrate according to claim 2 extracts tubing string, it is characterized in that: the length of described first blade (5) is greater than the length of described second blade (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520171351.9U CN204627556U (en) | 2015-03-26 | 2015-03-26 | A kind of methane hydrate extracts tubing string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520171351.9U CN204627556U (en) | 2015-03-26 | 2015-03-26 | A kind of methane hydrate extracts tubing string |
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| CN204627556U true CN204627556U (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520171351.9U Expired - Fee Related CN204627556U (en) | 2015-03-26 | 2015-03-26 | A kind of methane hydrate extracts tubing string |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763382A (en) * | 2015-03-26 | 2015-07-08 | 成都来宝石油设备有限公司 | Methane hydrate gathering pipe |
| CN108979538A (en) * | 2018-08-14 | 2018-12-11 | 韦伟 | A kind of combustible ice mine drilling bit |
-
2015
- 2015-03-26 CN CN201520171351.9U patent/CN204627556U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763382A (en) * | 2015-03-26 | 2015-07-08 | 成都来宝石油设备有限公司 | Methane hydrate gathering pipe |
| CN108979538A (en) * | 2018-08-14 | 2018-12-11 | 韦伟 | A kind of combustible ice mine drilling bit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150909 Termination date: 20160326 |
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| CF01 | Termination of patent right due to non-payment of annual fee |