CN105156674A - Sealing cavity - Google Patents
Sealing cavity Download PDFInfo
- Publication number
- CN105156674A CN105156674A CN201510652152.4A CN201510652152A CN105156674A CN 105156674 A CN105156674 A CN 105156674A CN 201510652152 A CN201510652152 A CN 201510652152A CN 105156674 A CN105156674 A CN 105156674A
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- lid
- sealing
- cutting ferrule
- opening end
- seal cage
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Abstract
The invention provides a sealing cavity. The sealing cavity comprises a body provided with an inner cavity, a cover body, a first through hole, a first sealing element and a force application mechanism. One end of the body is open, and the other end of the body is sealed. The cover body can seal the open end and abuts against the open end. The first through hole is formed in the cover body and communicated with the inner cavity. The first sealing element is arranged between the open end and the cover body. The force application mechanism is arranged on the cover body and can apply action force to the cover body to extrude the first sealing element. The sealing cavity is high in high-pressure gas sealing effect.
Description
Technical field
The present invention relates to coal, shale reservoir gas-bearing measurement examination technical field of experiment equipment, particularly relate to a kind of Seal cage.
Background technique
Coal, shale reservoir gas-bearing amount are all significant for evaluating reservoir, reserve estimate and development response evaluation etc., and coal-seam gas, shale gas mainly exist with adsorbed state, thus in order to calculate coal, shale reservoir gas-bearing amount just needs the extent of adsorption of methane under simulated formation high-temperature and high-pressure conditions.And the accuracy of analog result, the heat resisting and pressure resisting intensity that the container depending on splendid attire rock sample and methane reaction has and the ability of sealability.
Measure the method for coal to methane adsorption ability mainly to adopt " the high pressure isothermal adsorption test method-volumetric procedure of coal ".This method refers under constant temperature, the pressure spot that setting methane injects, and allows coal at this pressure spot adsorbed methane.That is this method needs that coal is immersed in the methane gas of high pressure to adsorb.Because the methane gas used in the method is pressurized gas, if so in measuring phase gas can not be sealed by force, so gas is easy to leak under the effect of the pressure, thus causes the inaccurate of measurement result.The container of this kind of method is used mainly to use screw thread to connect in prior art.Because the place be threaded exists gap, so when filling pressurized gas in container, the gap location be threaded connection leaks by pressurized gas under the effect of the pressure, thus causes the inaccurate of measurement result.
Summary of the invention
The object of this invention is to provide a kind of Seal cage strong to high-pressure gas seal effect.
Above-mentioned purpose of the present invention can adopt following technical proposal to realize: a kind of Seal cage, and it comprises: the body with inner chamber, and described body one end is opening end, and the other end is closed end; Can seal the lid of described opening end, described lid and described opening end offset; Be arranged at the first through hole on described lid, described first through hole and described intracavity inter-connection; Be arranged at the first Sealing between described opening end and described lid; Be arranged at the force application mechanism on described lid, described force application mechanism applies the active force of described first Sealing of extruding to described lid.
Preferably, described force application mechanism comprises the end socket cutting ferrule with through channel and the card be connected with described lid, described end socket cutting ferrule is connected with described opening end by described through channel, described card can drive described lid to move to the direction near described opening end, thus fixes with described end socket cutting ferrule.
Preferably, described card can be fixedly connected with described lid, and described card is formed with at least two the first relative projections on the sidewall of described lid; Described end socket cutting ferrule has the first end face back to described opening end, the sidewall of described end socket cutting ferrule is provided with at least two relative the first grooves in L-type, described first groove by described first end towards near described opening end direction depression formed, described first projection can stretch in described first groove, fixes with described end socket cutting ferrule.
Preferably, described card is threaded with described lid.
Preferably, described lid comprises the sealed end stretching into described inner chamber, is provided with the second Sealing between described sealed end and described body.
Preferably, the external diameter of described second projection is identical with the external diameter of described body, and the internal diameter of described end socket cutting ferrule is identical with the external diameter of described body.
Preferably, described card has the first external diameter of the external diameter being greater than described end socket cutting ferrule and second external diameter identical with the internal diameter of described end socket cutting ferrule.
Preferably, described sealed end is connected with plunger, and the external diameter of described plunger is close or identical with the internal diameter of described body, and be provided with the second through hole in described plunger, described second through hole is connected with described first through hole.
Preferably, described plunger has the second end face in the face of described sealed end, this second end face described is recessed to form the 4th groove towards the direction deviating from described sealed end, one end radial direction that described sealed end deviates from described opening end reduces formation serrated end, described serrated end can stretch in described 4th groove and be connected with plunger, is provided with the 3rd Sealing between the sidewall of described serrated end and the inwall of described plunger.
Preferably, the material of described body is polyether-ether-ketone resin.
The beneficial effect of a kind of Seal cage provided by the invention is: present invention achieves and adopt " the high pressure isothermal adsorption test method-volumetric procedure of coal " when measuring coal to methane adsorption ability in inner chamber, by lid and the first Sealing, the methane of coal and high pressure is sealed in inner chamber, again by being arranged at the first through hole on lid, thus pressurized gas are passed in inner chamber, thus measure coal in the lumen to methane adsorption ability, owing to being provided with force application mechanism on lid, this force application mechanism applies the active force of extruding first Sealing to lid, thus make the gap smaller between lid and opening end on the one hand, in the gap making the first Sealing between lid and opening end be compressed between blocking lid and opening end on the other hand, pressurized gas in inner chamber cannot be revealed from this gap, thus the pressurized gas in inner chamber are sealed by force, thus achieve the object that the invention provides a kind of Seal cage strong to high-pressure gas seal effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 a kind of structural representation of the present invention;
Fig. 2 card structural representation of the present invention;
The structural representation of Fig. 3 end socket cutting ferrule of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1.The invention provides a kind of Seal cage, it comprises: the body 11 with inner chamber 15, and described body 11 one end is opening end 12, and the other end is closed end 14; Can seal the lid 23 of described opening end 12, described lid 23 offsets with described opening end 12; Be arranged at the first through hole 73 on described lid 23, described first through hole 73 is connected with described inner chamber 15; Be arranged at the first Sealing 27 between described opening end 12 and described lid 23; Be arranged at the force application mechanism on described lid 23, described force application mechanism applies the active force of described first Sealing 27 of extruding to described lid 23 body.
A kind of Seal cage provided by the invention, achieve and adopt " the high pressure isothermal adsorption test method-volumetric procedure of coal " when measuring coal to methane adsorption ability in inner chamber 15, by lid 23 and the first Sealing 27, the methane of coal and high pressure is sealed in inner chamber 15, again by being arranged at the first through hole 73 on lid 23, thus pressurized gas are passed in inner chamber 15, thus in inner chamber 15, measure coal to methane adsorption ability, owing to being provided with force application mechanism on lid 23, this force application mechanism applies to lid 23 active force that extruding first seals 27, thus make the gap smaller between lid 23 and opening end 12 on the one hand, the first Sealing 27 between lid 23 and opening end 12 is made to be compressed in the gap between lid 23 and opening end 12 on the other hand, pressurized gas in inner chamber 15 cannot be revealed from this gap, thus the pressurized gas in inner chamber 15 are sealed by force, thus achieve the object that the invention provides a kind of Seal cage strong to high-pressure gas seal effect.
A kind of Seal cage provided by the invention is applicable to petroleum gas field.
As shown in Figure 1, in the present embodiment, there is the body 11 of inner chamber 15.This body 11 for as test rock sample to the reaction chamber of methane adsorption ability.This inner chamber 15 is for holding rock sample and methane.This body 11 one end is opening end 12, and the other end is closed end 14, thus rock sample and methane put into this inner chamber 15 by this opening end 12.And after sealing opening end 12, this inner chamber 15 can be sealed.In the present embodiment, the material of this body 11 is polyether-ether-ketone resin, i.e. PEEK.Because this material does not produce magnetic interference signal, the test of low-field nuclear magnetic resonance methane adsorption can be carried out.Can be used for again carrying out the test of low-field nuclear magnetic resonance methane adsorption so Seal cage provided by the invention can be used for adopting " the high pressure isothermal adsorption test method-volumetric procedure of coal " to measure coal to methane adsorption ability, this point is different from prior art and adopts " the high pressure isothermal adsorption test method-volumetric procedure of coal " to measure the reaction chamber of coal to methane adsorption ability.Because adopting " the high pressure isothermal adsorption test method-volumetric procedure of coal " to measure coal to the material that the reaction chamber of methane adsorption ability adopts in prior art is metallic material, if so magnetic interference signal will be produced for the test of low-field nuclear magnetic resonance methane adsorption, so coal is measured in employing of the prior art " the high pressure isothermal adsorption test method-volumetric procedure of coal " can not be applied to the test of low-field nuclear magnetic resonance methane adsorption to the reaction chamber of methane adsorption ability.
As shown in Figure 1, in the present embodiment, the lid 23 of energy sealed open end 12, this lid 23 offsets with opening end 12, thus seals inner chamber 15.Lid 23 is provided with the first through hole 73, this first through hole 73 is connected with inner chamber 15, and this first through hole 73, for being connected with the experiment gas circuit pipeline in the external world, inputs in inner chamber 15 by this first through hole 73 to make methane gas.The sidewall of this lid 23 is circumferentially formed with the second projection 25, and this second projection 25 can stretch in through channel 21 and abut against with opening end 12.This lid 23 has the sealing surface of closed cavity 15, thus sealing face energy closed cavity 15, the pressurized gas in inner chamber 15 can not be revealed from opening end 12.In the present embodiment, this lid 23 comprises the sealed end 32 stretching into inner chamber 15.The second Sealing 29 is provided with between sealing end 32 and body 11, this second Sealing 29 is for sealing the gap between sealing end 32 and body 11, thus prevent the pressurized gas in inner chamber 15 from leaking between this gap, thus realize the strong sealing to gas in inner chamber 15.In the present embodiment, the surface between sealed end 32 and body 11 inwall is formed with the 3rd groove 67, second Sealing 29 caved in towards the direction away from body 11 inwall in the circumferential and is arranged in the 3rd groove 67.In the present embodiment, this second Sealing 29 is O type circle, in use, and uniform application one deck sealing silicone grease on this O type circle, thus realize the strong sealing to gas in inner chamber 15.In the present embodiment, the external diameter of this second projection 25 is identical with the external diameter of body 11, the opening end 12 thus this lid 23 is fitted completely, thus can strengthen the sealing to inner chamber 15.
As shown in Figure 1, in the present embodiment, the first Sealing 27 is provided with between opening end 12 and lid 23, this first Sealing 27 is for the gap between sealed open end 12 and lid 23, thus prevent the pressurized gas in inner chamber 15 from leaking between this gap, thus realize the strong sealing to gas in inner chamber 15.When pressurized gas carry out adsorption test in inner chamber 15, the gap between this first Sealing 27 energy sealed open end 12 and lid 23, thus relative to thread seal of the prior art, sealing effect is stronger.In the present embodiment, the second groove 65, first Sealing 27 that this second projection 25 the 3rd end face the 51, three end face 51 had in the face of opening end 12 is formed in the circumferential towards the direction depression deviating from opening end 12 is arranged in the second groove 65.In the present embodiment, this first Sealing 27 is O type circle, in use, and uniform application one deck sealing silicone grease on this O type circle, thus realize the strong sealing to gas in inner chamber 15.The present invention realizes the two seals to gas in inner chamber 15 by the first Sealing 27 and the second Sealing 29, thus prevents the pressurized gas in inner chamber from revealing from the gap of joint, thus enhances sealing effect.
Lid 23 is provided with force application mechanism, this force application mechanism applies the active force of extruding first Sealing 27 to lid 23, thus make the gap smaller between lid 23 and opening end 12 on the one hand, the first Sealing 27 between lid 23 and opening end 12 is made to be compressed in the gap between lid 23 and opening end 12 on the other hand, pressurized gas in inner chamber 15 cannot be revealed from this gap, thus the pressurized gas in inner chamber 15 are sealed by force, thus achieve the object that the invention provides a kind of Seal cage strong to high-pressure gas seal effect.
In the present embodiment, force application mechanism comprises the end socket cutting ferrule 19 with through channel 21, and end socket cutting ferrule 19 is connected with opening end 12 by through channel 21, thus the lid 23 of sealed open end 12 is positioned at this through channel 21.In the present embodiment, this Placement is for being threaded, but Placement is not limited thereto, and can also be other Placement, such as, weld.
As shown in Figure 1, in the present embodiment, end socket cutting ferrule 19 has the first end face 49 back to opening end 12, as shown in Figure 3, the sidewall of end socket cutting ferrule 19 is provided with at least two relative the first grooves 63 in L-type, first groove 63 is formed near the direction of opening end 12 depression by the first end face 49, and this first groove 63 for fixing card 33, thus makes the active force of fluid in the first Sealing 27 closed cavity 15 to lid 23 applying.In the present embodiment, the quantity of this first groove 63 is even number, and evenly arranges on the sidewall of end socket cutting ferrule 19.The quantity of this first groove 63 is equal with the quantity of the first projection 37, thus this first groove 63 can accommodate the first projection 37.In the present embodiment, the internal diameter of this end socket cutting ferrule 19 is identical with the external diameter of body 11, thus the inwall of the outer wall energy of body 11 and end socket cutting ferrule 19 fits, thus strengthens the sealing to inner chamber 15.
In the present embodiment, force application mechanism also comprises the card 33 be connected with lid 23, and this card 33 can drive lid 23 to move to the direction near opening end 12, and card 33 can fix with end socket cutting ferrule 19 after moving to the direction near opening end 12.When card 33 drives lid 23 to move to the direction near opening end 12, lid 23 can be made to move to the direction near opening end 12, thus make the gap smaller between lid 23 and opening end 12 on the one hand, the first Sealing 27 between lid 23 and opening end 12 is made to be subject to active force and to be squeezed in the gap blocked between lid 23 and opening end 12 and cannot to move on the other hand, thus the gap between lid 23 and opening end 12 is disappeared because being filled up by the first Sealing 27, thus the fluid in closed cavity 15.Because card 33 can fix with end socket cutting ferrule 19 to after the direction of opening end 12 is moved, thus the gap between lid 23 and opening end 12 maintains the state disappeared because being filled up by the first Sealing 27, thus using inner chamber 15 as the test reaction chamber of rock sample to methane adsorption ability time, ensure that the gas of high pressure is sealed in by force in inner chamber 15, and can not reveal.In the present embodiment, card 33 can be fixedly connected with lid 23, thus card 33 can drive lid 23 to move to the direction near opening end 12.In the present embodiment, card 33 is threaded with lid 23, thus card 33 not only can be fixedly connected with by lid 23, and can move along lid 23, so after card 33 and end socket cutting ferrule 19 fix, card 33 can also move along lid 23, and applies active force to the first Sealing 27, thus can improve sealing effect further.
As shown in Figure 2, in the present embodiment, card 33 is formed with at least two relative the first projections 37 on the sidewall of lid 23; First projection 37 can stretch in the first groove 63, fixes with end socket cutting ferrule 19.In the present embodiment, the quantity of this first projection 37 is even number, and this first projection 37 is evenly arranged in the circumference of the sidewall of card 33, thus can be fixed with end socket cutting ferrule 19 by this first projection 37, realize applying uniform active force to the first Sealing 27, thus can better closed cavity 15.In the present embodiment, due to the first groove 63 in L-type and the first groove 63 formed near the direction of opening end 12 depression by the first end face 49, so this first projection 37 can stretch into the first groove 63 from the first end face 49 and be fixed on the first groove 63 after the direction near opening end 12 is moved, thus fix with end socket cutting ferrule 19.In the present embodiment, card 33 has the first external diameter of the external diameter being greater than end socket cutting ferrule 19 and second external diameter identical with the internal diameter of end socket cutting ferrule 19.
In the present embodiment, this force application mechanism comprises the fixed block be arranged in the second projection 25, and the second projection 25 is fixed on opening end 12 by fixed block.In the present embodiment, this fixed block can be bolt, but the mode of execution of this fixed block is not limited thereto, and can also have other mode of execution, such as screw.
In the present embodiment, this force application mechanism comprises the first outside thread on the outer wall being arranged at the second projection 25 and is arranged at first internal thread of end socket cutting ferrule 19 on the inwall of one end of opening end 12; First outside thread can move towards the direction near opening end 12 along the first internal thread, thus carries out applying active force to the first Sealing 27 between second protruding 25 and opening end 12.
As shown in Figure 1, in the present embodiment, sealed end 32 is connected with plunger 41, and the external diameter of plunger 41 is close or identical with the internal diameter of body 11, can be used for Filling of Annulus Space unnecessary for inner chamber 15 to make this plunger 41.Plunger 41 has the second end face 53 in the face of sealed end 32, this second end face 53 is recessed to form the 4th groove 69 towards the direction deviating from sealed end 32, one end radial direction that sealed end 32 deviates from opening end 12 reduces formation serrated end 34, this serrated end 34 can stretch in the 4th groove 69 and be connected with plunger, is provided with the 3rd Sealing 31 between the sidewall of this serrated end 34 and the inwall of plunger 41.The sidewall of this serrated end 34 has been recessed to form in the 5th groove the 71, five groove 71 towards the direction away from the 4th groove 69 inwall and has been provided with the 3rd Sealing 31.3rd Sealing 31 for sealing the gap between serrated end 34 and plunger 41 inwall, thus prevents the pressurized gas in inner chamber 15 from revealing from this gap.In the present embodiment, the 3rd Sealing 31 is O type circle, in use, and uniform application one deck sealing silicone grease on this O type circle, thus realize the strong sealing to gas in inner chamber 15.This plunger 41 is formed with the second through hole 77 running through plunger 41, this second through hole 77 is connected with the first through hole 73.
Using method of the present invention is as follows:
The first step: the opening end 12 of body 11 is connected with end socket cutting ferrule 19 by through channel 21;
Second step: uniform application one deck sealing silicone grease juxtaposition on the 3rd Sealing 31 is entered the 5th groove 71, the sealed end 32 of lid 23 is connected with plunger 41 by the 4th groove 69;
3rd step: by the first Sealing 27 uniform application one deck sealing silicone grease insert and the second groove 65 in, on second Sealing 29, uniform application one deck sealing silicone grease juxtaposition enters in the 3rd groove 67, plunger 41 is inserted in inner chamber 15, makes second of lid 23 protruding 25 to lean with opening end 12;
4th step: card 33 be placed on lid 23, rotates card 33 by pressing down, and makes the first projection 37 and the first groove 63 phase clamping of card 33;
5th step: rotate lid 23 and lid 23 is moved to the direction near opening end 12 relative to card 33, make second protruding 25 and opening end 12 uniform stressed crush seal first Sealing 27, thus the principal fault that elimination o type circle occurs because of discontinuity.
The foregoing is only several embodiments of the present invention, those skilled in the art can carry out various change or modification to the embodiment of the present invention according to content disclosed in application documents and not depart from the spirit and scope of the present invention.
Claims (10)
1. a Seal cage, is characterized in that, it comprises:
Have the body of inner chamber, described body one end is opening end, and the other end is closed end;
Can seal the lid of described opening end, described lid and described opening end offset;
Be arranged at the first through hole on described lid, described first through hole and described intracavity inter-connection;
Be arranged at the first Sealing between described opening end and described lid;
Be arranged at the force application mechanism on described lid, described force application mechanism applies the active force of described first Sealing of extruding to described lid.
2. Seal cage according to claim 1, it is characterized in that: described force application mechanism comprises the end socket cutting ferrule with through channel and the card be connected with described lid, described end socket cutting ferrule is connected with described opening end by described through channel, described card can drive described lid to move to the direction near described opening end, thus fixes with described end socket cutting ferrule.
3. Seal cage according to claim 2, is characterized in that: described card can be fixedly connected with described lid, and described card is formed with at least two the first relative projections on the sidewall of described lid; Described end socket cutting ferrule has the first end face back to described opening end, the sidewall of described end socket cutting ferrule is provided with at least two relative the first grooves in L-type, described first groove by described first end towards near described opening end direction depression formed, described first projection can stretch in described first groove, fixes with described end socket cutting ferrule.
4. Seal cage according to claim 3, is characterized in that: described card is threaded with described lid.
5. Seal cage according to claim 4, is characterized in that: described lid comprises the sealed end stretching into described inner chamber, is provided with the second Sealing between described sealed end and described body.
6. Seal cage according to claim 5, is characterized in that: the external diameter of described second projection is identical with the external diameter of described body, and the internal diameter of described end socket cutting ferrule is identical with the external diameter of described body.
7. Seal cage according to claim 6, is characterized in that: described card has the first external diameter of the external diameter being greater than described end socket cutting ferrule and second external diameter identical with the internal diameter of described end socket cutting ferrule.
8. Seal cage according to claim 7, it is characterized in that: described sealed end is connected with plunger, the external diameter of described plunger is close or identical with the internal diameter of described body, and be provided with the second through hole in described plunger, described second through hole is connected with described first through hole.
9. Seal cage according to claim 8, it is characterized in that: described plunger has the second end face in the face of described sealed end, this second end face described is recessed to form the 4th groove towards the direction deviating from described sealed end, one end radial direction that described sealed end deviates from described opening end reduces formation serrated end, described serrated end can stretch in described 4th groove and be connected with plunger, is provided with the 3rd Sealing between the sidewall of described serrated end and the inwall of described plunger.
10. Seal cage according to claim 9, is characterized in that: the material of described body is polyether-ether-ketone resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510652152.4A CN105156674A (en) | 2015-10-10 | 2015-10-10 | Sealing cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510652152.4A CN105156674A (en) | 2015-10-10 | 2015-10-10 | Sealing cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105156674A true CN105156674A (en) | 2015-12-16 |
Family
ID=54797645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510652152.4A Pending CN105156674A (en) | 2015-10-10 | 2015-10-10 | Sealing cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105156674A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106623579A (en) * | 2016-10-08 | 2017-05-10 | 济南大学 | Internal high-pressure forming pushing and pressing device |
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| CN103257217A (en) * | 2013-04-11 | 2013-08-21 | 王思波 | Special sample kettle for superhigh pressure gas adsorption-desorption analyzer |
| CN103926479A (en) * | 2014-04-30 | 2014-07-16 | 辽宁工程技术大学 | Charge monitoring device in coal gas migration process and monitoring method thereof |
| CN104713894A (en) * | 2015-02-16 | 2015-06-17 | 中国地质大学（北京） | Nuclear magnetic high-pressure isothermal adsorption device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101975718A (en) * | 2010-08-13 | 2011-02-16 | 中国科学院山西煤炭化学研究所 | Method for simultaneously measuring high-pressure gas adsorption capacity and adsorption swell capacity of coal petrography and measuring equipment |
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| CN103926479A (en) * | 2014-04-30 | 2014-07-16 | 辽宁工程技术大学 | Charge monitoring device in coal gas migration process and monitoring method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106623579A (en) * | 2016-10-08 | 2017-05-10 | 济南大学 | Internal high-pressure forming pushing and pressing device |
| CN106623579B (en) * | 2016-10-08 | 2018-07-24 | 济南大学 | Interior high-pressure molding pressing device |
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Application publication date: 20151216 |