CN101916522B - Split type source rock hydrocarbon generation simulation system and source rock hydrocarbon generation kettle body - Google Patents
Split type source rock hydrocarbon generation simulation system and source rock hydrocarbon generation kettle body Download PDFInfo
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- CN101916522B CN101916522B CN201010232819.2A CN201010232819A CN101916522B CN 101916522 B CN101916522 B CN 101916522B CN 201010232819 A CN201010232819 A CN 201010232819A CN 101916522 B CN101916522 B CN 101916522B
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- 229930195733 hydrocarbon Natural products 0.000 title claims abstract description 50
- 150000002430 hydrocarbons Chemical class 0.000 title claims abstract description 50
- 239000004215 Carbon black (E152) Substances 0.000 title claims abstract description 49
- 239000011435 rock Substances 0.000 title claims abstract description 44
- 238000004088 simulation Methods 0.000 title claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims description 31
- 230000000694 effects Effects 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052737 gold Inorganic materials 0.000 claims description 6
- 239000010931 gold Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 2
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 238000002474 experimental method Methods 0.000 description 27
- 238000000034 method Methods 0.000 description 18
- 238000006243 chemical reaction Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- 239000012530 fluid Substances 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 229910019589 Cr—Fe Inorganic materials 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- GMACPFCYCYJHOC-UHFFFAOYSA-N [C].C Chemical compound [C].C GMACPFCYCYJHOC-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910000952 Be alloy Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000000090 biomarker Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
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- 239000004035 construction material Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
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- 239000010779 crude oil Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910001055 inconels 600 Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
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- 239000005416 organic matter Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
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- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
A split type source rock hydrocarbon generation simulation system and a source rock hydrocarbon generation kettle body are provided, the system comprises: the device comprises a plurality of kettle bodies, a plurality of temperature controllers, a computer and at least one pressure pump; each kettle body is coupled with a corresponding temperature controller, the temperature controllers are respectively connected with a computer, the kettle bodies are respectively connected with a pressure pump through connecting pipelines, and the pressure pump is coupled with the computer; the pressure pump is used for providing pressure for the interior of the kettle body; the computer controls the temperature of the corresponding kettle body and the temperature rise program through the temperature controller; the cauldron body includes: a kettle body shell with a clamping groove; the kettle cover with a clamping groove is clamped with the kettle shell; the sealing plug is provided with a sealing conical surface; the outer ring of the sealing plug is provided with a sealing element matched with the sealing plug; the side wall of the sealing element is contacted with the inner wall of the kettle body shell. The invention can simulate the same sample at different temperature points and can also simulate different samples at the same temperature point. Meanwhile, the compression resistance of the kettle body is improved, and the possibility is provided for discussing the influence of pressure on hydrocarbon generation.
Description
Technical field
The invention relates to the raw hydrocarbon analogue technique of source rock, particularly about gold pipe experimental system for simulating, is about the raw hydrocarbon simulation system of a kind of split-type source rock and the raw hydrocarbon kettle of source rock specifically.
Background technology
Under geologic condition, it is a very long and complicated geological process that organic source rock generates oil gas, is difficult to simulate completely this very very long geological process in laboratory.Since Waples, the proposition temperature such as Lopatian can make up after the ground mass effect of time, people just utilize the method for simulated experiment to simulate the raw hydrocarbon situation of source rock under geologic condition, and the raw hydrocarbon simulated experiment of source rock also becomes oil and gas resource evaluation and the very important means of hydrocarbon resources comparative study.
But, due to the simulation factor difference that different experimental techniques is considered, utilize the experimental result that different analogue experiment methods obtains often to have larger difference.Current simulation experiment device is divided into open system, closed system and Semi-open system according to the degree of opening of experimental system.Under geologic condition, the raw hydrocarbon of organic source rock is a Bian Shengbian row's geological process.Open system is the simulation experiment device type occurring the earliest, although its simulated experiment process is also a kind of Bian Shengbian row's raw hydrocarbon process, the hydrocarbon that under geologic condition, source rock generates not is to discharge and enter reservoir at once; And open system simulated experiment generally only considers the impact of temperature on raw hydrocarbon process, and cannot the impact of simulated pressure on the raw hydrocarbon process of source rock.Although and semi-open simulated system is approaching geologic condition most, be subject to the restriction of current technological means, be also difficult at present real realization.The analogue experiment method of closed system is best simulated experiment means of most widely used, effect at present.
In semi-open simulated system, gold pipe experimental system for simulating is that one had both been considered temperature, considers again extraneous hydrodynamic pressure experimental system for simulating, and scholars relatively approve.But current gold pipe experimental system for simulating is a kind of all-in-one-piece experimental system, multiple reaction kettle bodies of experimental simulation all in a heating system (for example, multiple reaction kettle bodies are all placed in the furnace chamber of heating furnace), can not carry out independent control to the reaction conditions of single kettle, bring inconvenience to experiment.
Summary of the invention
The invention provides the raw hydrocarbon simulation system of a kind of split-type source rock and the raw hydrocarbon kettle of source rock, to improve experimental temperature and pressure, and control separately the temperature of each kettle.
To achieve these goals, in one embodiment, provide a kind of split-type source rock raw hydrocarbon simulation system, described system comprises: multiple kettlies, multiple temperature controllers, computing machine and at least one forcing pump; Described multiple kettlies are corresponding one by one with multiple temperature controllers, and each described kettle couples mutually with corresponding temperature controller, described multiple temperature controllers are connected with computing machine respectively, described multiple kettlies are connected with forcing pump by associated line respectively, and described forcing pump couples mutually with described computing machine; Wherein, described forcing pump is for providing pressure to described kettle inside; Described computing machine is by temperature and the heating schedule of the corresponding kettle of temperature controller control; Described kettle comprises: with the kettle shell of draw-in groove; With the kettle lid of draw-in groove, engage with described kettle shell; Seal plug, has sealing cone; The outer seal matching with it that is equipped with of described seal plug; The sidewall of described seal contacts with the inwall of described kettle.
To achieve these goals, in another embodiment, also provide a kind of source rock raw hydrocarbon kettle, described kettle comprises: with the kettle shell of draw-in groove; With the kettle lid of draw-in groove, engage with described kettle shell; Seal plug, has sealing cone; The outer seal matching with it that is equipped with of described seal plug; The sidewall of described seal contacts with the inwall of described kettle shell.
The useful technique effect of the embodiment of the present invention: the present invention can simulate in different temperature points same sample, also can simulate at same temperature point different samples.The compressive property of kettle is improved simultaneously, provides possibility for inquiring into pressure to the impact of raw hydrocarbon.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.In the accompanying drawings:
Fig. 1 is the structural representation of the raw hydrocarbon simulation system of embodiment of the present invention split-type source rock;
Fig. 2 is the structural representation of the raw hydrocarbon simulation system of another embodiment of the present invention split-type source rock;
Fig. 3 is the concrete composition schematic diagram of the raw hydrocarbon simulation system of embodiment of the present invention split-type source rock;
Fig. 4 is the methane production experimental result contrast schematic diagram of two groups of experiments of the embodiment of the present invention;
Fig. 5 is the Methane Carbon Isotope experimental result contrast schematic diagram of two groups of experiments of the embodiment of the present invention.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with accompanying drawing, the embodiment of the present invention is described in further details.At this, schematic description and description of the present invention is used for explaining the present invention, but not as a limitation of the invention.
As shown in Figure 1, the invention provides the raw hydrocarbon simulation system of a kind of split-type source rock, described system comprises: multiple kettlies 101, multiple temperature controllers 102, computing machine 103 and at least one forcing pump 104; Described multiple kettlies 101 are corresponding one by one with multiple temperature controllers 102, and each described kettle 101 couples (in figure, only showing a kettle) mutually with corresponding temperature controller 102, described multiple temperature controllers 102 be connected with computing machine 103 respectively (only showing a temperature controller in figure), described multiple kettlies 101 are connected with forcing pump 104 by associated line 116 respectively, and described forcing pump 101 couples mutually with described computing machine 103; Wherein, described forcing pump 104 provides pressure for kettle 101 inside to described; Described computing machine 101 for example, by temperature and the heating schedule (heating rate, the heating rate of a certain kettle is set as 2 ℃/h) of the corresponding kettle of temperature controller control.
Described kettle 101 comprises: with the kettle shell 105 of draw-in groove; With the kettle lid 106 of draw-in groove, the draw-in groove of kettle lid 106 engages with the draw-in groove of described kettle shell; Seal plug 107, has sealing cone; The outer seal 108 matching with it that is equipped with of described seal plug 107; The sidewall of described seal 108 contacts with the inwall of described kettle shell 105.
Upwards crush seal plug 107 of the pressure that forcing pump 104 provides, in order to guarantee that seal plug can be good to surrounding squeeze sealing member, described sealing cone is gradually-reducing shape according to the direction that acts on described seal plug upward pressure, and sealing cone is and reduces shape along direction upwards in Fig. 1.
In the time of pressure press seal plug that forcing pump provides, seal plug will be to surrounding squeeze sealing member, seal will produce outside power and compresses inner wall of kettle under the extruding force effect of seal plug, play good sealing function, in addition, between seal plug and kettle lid, can also place a copper backing 109, copper backing has good ductility, under the squeezing action of seal plug, can make between kettle lid and kettle shell contact tightr.
The section of described seal plug can comprise rectangle part and trapezoidal portions, can be also trapezoidal, and in Fig. 1, the section of seal plug comprises rectangle part and trapezoidal portions.The section of Fig. 2 seal plug is trapezoidal.
Described kettle also comprises: material basket 110, is positioned at described kettle inside, for placing the gold pipe 111 that source rock is housed.
Outer wall cover at described kettle shell 105 has steel bushing 112, can play insulation effect; In described steel bushing, embedded thermopair 114 and many heating rods 113 (heating rod is only shown in figure), heating rod 113 is for heating described kettle; Thermopair 114, is embedded in described steel bushing, for measuring the temperature of described kettle.Described temperature controller couples mutually with described heating rod 113 and thermopair 114, and computing machine 103 is measured the temperature of kettle according to thermopair 114, by controlling temperature controller, described kettle is heated to the temperature of setting.Described kettle also comprises: heat-insulation layer 115, is enclosed within the outer wall of described steel bushing, to reduce scattering and disappearing of kettle heat.
Fig. 3 is the concrete composition schematic diagram of the raw hydrocarbon simulation system of embodiment of the present invention split-type source rock.In figure, only show two kettlies, the raw hydrocarbon simulation system of split-type source rock of the present invention can have multiple kettlies (being more than or equal to 20 kettlies).Multiple kettlies 101 are corresponding one by one with multiple temperature controllers 102, and each described kettle 101 couples mutually with corresponding temperature controller 102, described multiple temperature controllers 102 are connected with computing machine 103 respectively, described multiple kettlies 101 are connected with forcing pump 104 by associated line 116 respectively, and described forcing pump 101 couples mutually with described computing machine 103.
The raw hydrocarbon simulation system of described split-type source rock also comprises: vacuum tank 117 and vacuum pump 118, and vacuum tank 117 is for placing described kettle, to reduce scattering and disappearing of kettle heat; Vacuum pump 118 connects described vacuum tank 117.
Described seal plug can be alloy seal plug; Described seal can be graphite seal, and the present invention is not limited according to this.
The raw hydrocarbon simulation system of split-type source rock is carried out independent temperature and heating schedule control (heating rate control etc.) by computing machine to each reaction kettle body in system, can need to arbitrarily combine the reaction conditions of each reaction kettle body well according to research, for shortening the whole simulated experiment time, the utilization ratio that improves experimental system for simulating provides a great convenience, and is that various catalytic action and synthetic the providing of inorganic hydro carbons in the raw hydrocarbon process of research source rock may.
Traditional analogue experiment method generally the highest experimental temperature can only reach 600 ℃, pressure and reaches 50MPa, under this temperature and pressure, organic source rock can not be released completely at such temperature and pressure condition hydrocarbon generation capacity, has affected widely the effect of experimental data.
The present invention is by changing kettle structure and selecting different experiment type of heating, the highest analog temperature of raw split-type source rock hydrocarbon simulation system is brought up to 800 ℃, the maximum of kettle and bear pressure and bring up to 120MPa, may for reflecting that the hydrocarbon generation capacity of organic source rock provides completely.The highest simulated pressure has been brought up to 120MPa, provides possibility for inquiring into pressure to the impact of raw hydrocarbon effect.
The sport technique segment of key of the present invention comprises a reaction kettle body High Temperature High Pressure sealing, automatic control system and three aspects of heat-insulation system.
1) sealing under the selection of reactor material and high-temperature and high-pressure conditions
The raw hydrocarbon simulation system of split-type source rock is a set of high temperature, high-pressure sealed simulated experiment system, and maximum pressure is 120MPa, and the highest analog temperature is 800 ℃.The present invention makes the Ns312 nickel-base alloy Alloy 600 (Ni-Cr-Fe) that the material of kettle can be selected, Ni-Cr-Fe is a kind of heat-resisting, corrosion-resistant, high-intensity construction material of standard, its tensile strength in the time of 800 ℃ reaches 531Mpa, yield strength 230Mpa, be well positioned to meet the kettle requirement of this experiment, the present invention is not limited according to this, and any material that other possesses above-mentioned performance can replace Ni-Cr-Fe to make kettle.Under the effect of forcing pump, impressed pressure fluid enters kettle from autoclave body bottom, and kettle top adopts sealing means as shown in Figure 1, seals with conical surface seal plug and graphite circle.Under condition of high voltage, internal pressure, higher than ambient pressure, is suppressed flexible graphite sealing part by locking, make it produce extensional deformation, thereby sealing effectiveness is better.
2) automatic control system
Native system is selected split type analog machine, and each reaction kettle body has independently heating system, can, according to experiment needs, carry out independently temperature control by computer control to different reaction kettle bodies.
3) heat-insulation system
For guarantee different depth position temperature in reactor evenly, adopt the electrical bar lengthening, make more uniform temperature between effective heating area.Simultaneously in order to guarantee that in experimentation, environment temperature is unlikely too high, each reaction kettle body insulation asbestos (steel bushing) has increased the vacuum tank 117 of a hollow around, vacuum pump can vacuumize vacuum tank 117, both reduced scattering and disappearing of reaction kettle body heat, and can make again in laboratory the not heating because of reactor cause temperature to raise.
In simulated experiment process of the present invention, same sample both can have the simulated experiment of applying fluid pressure, can carry out again the simulated experiment without applying fluid pressure simultaneously; In experimentation, can carry out to same sample the simulated experiment of different heating rates simultaneously.
The present invention is applicable to hydrocarbon source rock oil generation, angry research, crude oil pyrolysis research, inorganic synthetic, further discussion, the different catalysts impact on oil gas generation of pressure on oil gas nucleus formation.This is sheathed has 20 independent reactors, can simulate in different temperature points same sample, also can simulate at same temperature point different samples.Experimental result is except having wide practical use aspect oil and gas resource evaluation, simultaneously by carbon, hydrogen isotope analysis to biomarker analysis and important component in simulation product, for determining that the build environment of hydrocarbon-bearing pool and matrix source and the contrast of source-source and oil-to-source correlation have good directive function.
The raw hydrocarbon simulation system of split-type source rock of the present invention and the raw hydrocarbon simulation system of monoblock type source rock, adopt identical applying fluid pressure and identical heating rate condition to simulate angry experiment to same sample, the experimental result obtaining have good consistance.But the present invention can carry out to same sample the experiment of different heating rates simultaneously, and its conventional efficient is greatly improved.
Gold pipe die draft experiment system is the experimental system for simulating of a set of sealing, and it is current most widely used a set of experimental system for simulating, and it is the earliest by abroad developing.The raw hydrocarbon simulation system of current source rock is all all-in-one-piece thermal simulation experiment system, and all reaction kettle bodies are all in same heating systems, if different kettle needs different heating rates, monoblock type simulated system is just helpless.The raw hydrocarbon simulation system of split-type source rock has 20 reaction kettle bodies, each kettle is placed in an independent heating system, and heating system can be carried out by computing machine the independent control of temperature, pressure and heating rate, this freely selects to have brought very large convenience to different experimental conditions, as shown in Figure 3.
In order to verify the reliability of the raw hydrocarbon simulation system of split-type source rock of the present invention, under 50MPa pressure condition, utilize respectively the raw hydrocarbon simulation system of monoblock type and split-type source rock, the heating rate of setting 2 ℃/h and 20 ℃/h has carried out simulated experiment to same sample.Fig. 4 is the methane production experimental result contrast schematic diagram of two groups of experiments of the embodiment of the present invention; Fig. 5 is the Methane Carbon Isotope experimental result contrast schematic diagram of two groups of experiments of the embodiment of the present invention; From figure, can find: the productive rate of gas key component-methane that two cover experimental system for simulating produce is all more consistent with carbon isotope result, and the raw hydrocarbon simulation system of split-type source rock methane under 2 ℃/h and 20 ℃/h of two kinds of heating rate conditions in the time of 650 ℃ is very approaching, substantially can reflect the complete angry process of organic matter completely.
The useful technique effect of the embodiment of the present invention: the present invention can simulate in different temperature points same sample, also can simulate at same temperature point different samples.The compressive property of kettle is improved simultaneously, provides possibility for inquiring into pressure to the impact of raw hydrocarbon.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiments of the invention; the protection domain being not intended to limit the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (15)
1. the raw hydrocarbon simulation system of split-type source rock, is characterized in that, described system comprises: multiple kettlies, multiple temperature controllers, computing machine and at least one forcing pump;
Described multiple kettlies are corresponding one by one with multiple temperature controllers, and each described kettle couples mutually with corresponding temperature controller, described multiple temperature controllers are connected with computing machine respectively, described multiple kettlies are connected with forcing pump by associated line respectively, and described forcing pump couples mutually with described computing machine; Wherein,
Described forcing pump is for providing pressure to described kettle inside;
Described computing machine is by temperature and the heating schedule of the corresponding kettle of temperature controller control;
Described kettle comprises:
With the kettle shell of draw-in groove, described kettle shell top end opening;
With the kettle lid of draw-in groove, engage with described kettle shell, described kettle lid is an one-piece construction;
Seal plug, has sealing cone;
The outer seal matching with it that is equipped with of described seal plug; The lateral wall of described seal contacts with the inwall of described kettle shell, and the madial wall of described seal contacts with the lateral surface of described seal plug;
Pad, is held between described kettle lid and seal plug;
Wherein, when the pressure providing when described forcing pump compresses described seal plug, described seal plug can push described seal to surrounding, and described seal will produce outside pressure and compress described inner wall of kettle under the extruding force effect of described seal plug;
Described pad, under the common extruding of described seal plug and described seal, makes the draw-in groove of described kettle lid closely engage with the draw-in groove of described kettle shell.
2. the system as claimed in claim 1, is characterized in that, the section of described seal plug comprises rectangle part and trapezoidal portions.
3. the system as claimed in claim 1, is characterized in that, the section of described seal plug is trapezoidal.
4. the system as claimed in claim 1, is characterized in that, described sealing cone is gradually-reducing shape according to the direction that acts on described seal plug upward pressure.
5. the system as claimed in claim 1, is characterized in that, described kettle also comprises: material basket, is positioned at described kettle inside, for placing the gold pipe that source rock is housed.
6. the system as claimed in claim 1, is characterized in that, described kettle also comprises: steel bushing, is enclosed within the outer wall of described kettle shell.
7. system as claimed in claim 6, is characterized in that, described kettle also comprises: many heating rods, are embedded in described steel bushing, for heating described kettle.
8. system as claimed in claim 7, is characterized in that, described kettle also comprises:
Thermopair, is embedded in described steel bushing, for measuring the temperature of described kettle.
9. system as claimed in claim 8, is characterized in that, described temperature controller couples mutually with described heating rod and thermopair.
10. system as claimed in claim 9, is characterized in that, described kettle also comprises: heat-insulation layer, is enclosed within the outer wall of described steel bushing.
11. systems as described in claim 1 or 10, is characterized in that, described system also comprises: vacuum tank, and for placing described kettle, to keep kettle temperature not scatter and disappear.
12. systems as claimed in claim 11, is characterized in that, described system also comprises: vacuum pump, connects described vacuum tank.
13. the system as claimed in claim 1, is characterized in that, described seal plug is alloy seal plug.
14. the system as claimed in claim 1, is characterized in that, described seal is graphite seal.
15. 1 kinds of raw hydrocarbon kettlies of source rock, is characterized in that, described kettle comprises:
With the kettle shell of draw-in groove, described kettle shell top end opening;
With the kettle lid of draw-in groove, engage with described kettle shell, described kettle lid is an one-piece construction;
Seal plug, has sealing cone;
The outer seal matching with it that is equipped with of described seal plug; The lateral wall of described seal contacts with the inwall of described kettle shell, and the madial wall of described seal contacts with the lateral surface of described seal plug;
Pad, is held between described kettle lid and seal plug;
Wherein, when the pressure providing when forcing pump compresses described seal plug, described seal plug can push described seal to surrounding, and described seal will produce outside pressure and compress described inner wall of kettle under the extruding force effect of described seal plug;
Described pad, under the common extruding of described seal plug and described seal, makes the draw-in groove of described kettle lid closely engage with the draw-in groove of described kettle shell.
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| CN201010232819.2A CN101916522B (en) | 2010-07-16 | 2010-07-16 | Split type source rock hydrocarbon generation simulation system and source rock hydrocarbon generation kettle body |
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