CN109785724A - A kind of hot pressing simulation system and method based on bellows reaction kettle - Google Patents
A kind of hot pressing simulation system and method based on bellows reaction kettle Download PDFInfo
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- CN109785724A CN109785724A CN201910207260.9A CN201910207260A CN109785724A CN 109785724 A CN109785724 A CN 109785724A CN 201910207260 A CN201910207260 A CN 201910207260A CN 109785724 A CN109785724 A CN 109785724A
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 313
- 238000004088 simulation Methods 0.000 title claims abstract description 114
- 238000007731 hot pressing Methods 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 37
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 118
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 118
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 117
- 239000012530 fluid Substances 0.000 claims abstract description 49
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- 230000008569 process Effects 0.000 claims abstract description 18
- 238000012545 processing Methods 0.000 claims abstract description 10
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
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Abstract
The present invention provides a kind of hot pressing simulation system based on bellows reaction kettle, including bellows reaction kettle unit, automatic collection and metering units, Fluid pressure feed unit and control and processing unit, bellows reaction kettle unit include an at least bellows reaction kettle.Bellows reaction kettle of the present invention and independent heating tube, temperature control device and automatic collection and metering device are as simulation external member, independent temperature control is carried out to different bellows reaction kettles by controller, realize that the hydrocarbon of the different samples of the hydrocarbon to the same sample of different temperatures, hydrocarbon expulsion process simulation or same temperature, hydrocarbon expulsion process are simulated simultaneously, the hydrocarbon generation capacity for simulation hydrocarbon source rock completely provides possibility；Bellows reaction kettle uses the bellows reaction vessel for being placed in reaction kettle autoclave body as sample room, and reaction vessel replaces existing gold tube as reaction vessel chamber using bellows thin wall overpressure resistant cavity made of Nickel-Based Steel, and at low cost, volume is big, and applicability is good.
Description
Technical field
The invention belongs to oil gas organic geochemistry experimental study technical fields, are related to hydrocarbon heat-press simulation experiment technology,
System and method is simulated more particularly to a kind of hot pressing based on bellows reaction kettle.
Background technique
Sedimentary basin Hydrocarbon Generation potentiality and resource assessment are one of the Scientific problems at the core in petroleum gas research,
Hydrocarbon heat-press simulation experiment is the important technical of widely applied Hydrocarbon Generation potentiality and resource assessment.
Currently, in existing hydrocarbon heat-press simulation experiment device, there are commonly gold tube hydrocarbon thermal simulation experiment device (in
Magnificent people's republic's oil and gas industry standard SY/T 7035-2016, gold tube hydrocarbon thermal simulation experimental method) etc..But
It is that gold tube imitative experimental appliance method is primarily present following defect: gold tube reaction vessel volume is small, laboratory sample loading
It is few, it is only applicable to the deposit that hydrocarbon source rock, oil shale, the coal of organic carbon content more than or equal to 2% etc. is rich in organic matter, is applicable in
Property is restricted；Gold tube is closed reaction vessel, and liquid hydrocarbon and the heavy hydrocarbon gas component of generation can not be discharged in time, in high temperature
Under the conditions of second pyrolysis easily occurs；Gold tube material price is high, leads to experimental cost height.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of hot pressing simulation system based on bellows reaction kettle, which adopts
With bellows reaction kettle, life of the depositional organic matter under temperature, pressure, aqueous medium, minerals and different row's hydrocarbon modes can be simulated
Hydrocarbon process.
The invention adopts the following technical scheme:
A kind of hot pressing simulation system based on bellows reaction kettle, comprising:
Bellows reaction kettle unit (100), including an at least bellows reaction kettle (110)；
It is automatic to collect and metering units (200), including at least one it is automatic collect and metering device (210), it is automatic collect and
Metering device (210) is corresponded with bellows reaction kettle (110) and is connected to by pressure line；
Fluid pressure feed unit (400) is connected with bellows reaction kettle (110), for giving bellows reaction kettle (110)
In analog sample Fluid pressure and confining pressure are provided；With
Control and processing unit (300), the temperature control of controller (301) is electrically connected to including controller (301) and at least one
Device (302), bellows reaction kettle (110), automatic collection and metering units (200) and Fluid pressure feed unit (400) are respectively
It is electrically connected to control and processing unit (300).
In the above-mentioned hot pressing simulation system based on bellows reaction kettle, the bellows reaction kettle (110) includes equipped with opening
Reaction kettle autoclave body (02) and the reaction kettle blocked in the opening of reaction kettle autoclave body (02) cover (03), in reaction kettle autoclave body (02)
It is equipped with the reaction vessel (01) for placing analog sample, between having between reaction vessel (01) and the side wall of reaction kettle autoclave body (02)
Away from；Reaction vessel (01) is the bellows structure with through-hole, through hole be provided with the interior pipeline being connected of reaction vessel (01),
Simulation gas and simulation liquid for providing the Fluid pressure of analog sample and discharge generates in time.
In the above-mentioned hot pressing simulation system based on bellows reaction kettle, the reaction vessel (01) includes:
Bellows thin wall overpressure resistant cavity (1), for holding analog sample；
First resistance to squeeze cap (2) and the second resistance to squeeze cap (6) are close with the two-port of bellows thin wall overpressure resistant cavity (1) respectively
Envelope connection；And
First pressure line (4) and the second pressure line (8) are each passed through the first resistance to squeeze cap (2) and the second resistance to press seal
It covers the through-hole of (6) setting and is connected to bellows thin wall overpressure resistant cavity (1) inside.
In the above-mentioned hot pressing simulation system based on bellows reaction kettle, the bellows thin wall overpressure resistant cavity (1), the first resistance to press seal
Lid (2) and the second resistance to squeeze cap (6) are made of Nickel-Based Steel, and the first resistance to squeeze cap (2) and the second resistance to squeeze cap (6) are respectively
Two-port welding or mechanical connection with bellows thin wall overpressure resistant cavity (1).
In the above-mentioned hot pressing simulation system based on bellows reaction kettle, the first resistance to squeeze cap (2) and the second resistance to squeeze cap
It (6) is bowl structure, the rim of a bowl edge is extended with flanging to bottom of bowl direction, and the rim of a bowl is interior towards bellows thin wall overpressure resistant cavity (1)
The port edge of portion, the flanging and bellows thin wall overpressure resistant cavity (1) welds.
In the above-mentioned hot pressing simulation system based on bellows reaction kettle, first pressure line (4) and the second pressure line
(8) it is located at the internal one end of bellows thin wall overpressure resistant cavity (1) and is respectively arranged with first filter (3) and the second filter (7), the
One filter (3) and the second filter (7) are covered each by the port of the first pressure line (4) and the second pressure line (8)；First
Pressure line (4) and the second pressure line (8) pass through reaction kettle capping (03) and distinguish on the pressure line for stretching out reaction kettle
First valve (5) and the second valve (9) are installed.
In the above-mentioned hot pressing simulation system based on bellows reaction kettle, the periphery of the reaction kettle autoclave body is set with a steel bushing
(05), an at least heating tube (06) and a thermocouple (07) are embedded in steel bushing (05).
In the above-mentioned hot pressing simulation system based on bellows reaction kettle, the outside of the steel bushing (05) and reaction kettle capping (03)
It is provided with insulating layer (04).
In the above-mentioned hot pressing simulation system based on bellows reaction kettle, the bottom of the reaction kettle autoclave body (02) is provided with water filling
Hole (021), a pressure water injection pipe (09) are mounted in the water injection hole (021), and are pierced by insulating layer (04) and are stretched out reaction kettle autoclave body
(02) Fluid pressure feed unit (400) are connected to.
In the above-mentioned hot pressing simulation system based on bellows reaction kettle, the reaction kettle capping (03) is split type structure, packet
Sequentially connected lower flange (031), end socket (033) and upper flange plate (035) from bottom to up are included, lower flange (031) is spiral shell
Cap structure is threadedly coupled with reaction kettle autoclave body (02) open end；Reaction kettle autoclave body (02) open end and end socket (033) bottom
It fastens, is provided with graphite circle (032) on the contact surface of end socket (033) and reaction kettle autoclave body (02)；Upper flange plate (035) and laxative remedy
Blue disk (031) is connected by bolt (038).
In the above-mentioned hot pressing simulation system based on bellows reaction kettle, the reaction kettle capping (03) is additionally provided with:
It connects pressure cap (037), is the nut structure equipped with cavity, is threadedly coupled with end socket (033)；With
It seals pad assembly (036), is the composite structure of two steel rings and the multiple graphite circles being clamped between two steel rings,
It is arranged in the lower end of connection pressure cap (037), sequentially passes through sealing pad assembly (036) for fixation respectively, connects pressure cap (037)
First pressure line (4) and the second pressure line (8).
In the above-mentioned hot pressing simulation system based on bellows reaction kettle, the automatic collection and metering device (210) include according to
The gas fairlead line (208) of secondary connection, pneumatic operated valve (205), pressure pump (204), liquid collecting container (203), flowmeter (202) and
Gas collection vessel (201), gas fairlead (208) are connected to the second pressure line (8), and a cooling tube (20) is wrapped in gas
The periphery of pipeline (208), liquid collecting container (203) and cooling tube (207) is drawn to be freezed by a circulating refrigerator (206).
In the above-mentioned hot pressing simulation system based on bellows reaction kettle, the pneumatic operated valve (205) and flowmeter (202) are electric respectively
It is connected to controller (301).
In the above-mentioned hot pressing simulation system based on bellows reaction kettle, the Fluid pressure feed unit (400) includes difference
Be electrically connected to the external pressure pump (401) and interior pressure pump (402) of controller (301), external pressure pump (401) pass through pipeline with react
It is connected inside kettle autoclave body (02), reaction vessel (01) application for being provided with analog sample to reaction kettle autoclave body (02) is enclosed
Pressure；Interior pressure pump (402) inside the first pressure line (4) and reaction vessel (01) by being connected, for equipped with simulation sample
Apply Fluid pressure in the reaction vessel (01) of product.
The present invention also provides a kind of analog sample hot pressing analogy method, this method uses the above-mentioned heat based on bellows reaction kettle
Pressure simulation system is operated, comprising the following steps:
Analog sample is placed in the reaction vessel (01) in bellows reaction kettle (110) by step 1, and confirmatory reaction container
(01) and the leakproofness of reaction kettle autoclave body (02) gas or liquid leakage or leakage, are prevented；
Simulation control parameter is arranged by controller (301) in step 2, and the simulation control parameter includes preset temperature
Value, default confining pressure value, default formation fluid pressure value, preset time value, default row's hydrocarbon pressure value and default hydrocarbon expulsion mode, and lead to
Crossing controller (301) and starting hot pressing simulation system work makes analog sample in reaction vessel (01) carry out hydrocarbon reaction, and
Row's hydrocarbon operation is carried out according to default hydrocarbon expulsion mode, until reaching preset time value；
Step 3, the temperature for monitoring reaction kettle autoclave body (02) are down to room temperature until the temperature value, are supplied by Fluid pressure
Interior pressure pump (402) and the external pressure pump (401) of unit (400) release the fluid of reaction vessel (01) interior analog sample respectively
Pressure and external confining pressure, open reaction kettle capping (03), take out the residue in reaction vessel (01), collect simulation gas and mould
Quasi- liquid, is measured, and carries out chromatography, isotope analysis to gaseous product, carries out race's composition, chromatography, matter to product liquid
Spectrum analysis.
In above-mentioned analog sample hot pressing analogy method, in step 2, the default hydrocarbon expulsion mode includes disposable row's hydrocarbon mould
Formula and Bian Shengbian arrange mode:
When default hydrocarbon expulsion mode is set as disposable hydrocarbon expulsion mode, default row's hydrocarbon pressure value is set as maximum value, the second valve
Door (9) is closed, which simulates system starts, reaches preset time value, and heating tube (06) stops working, and monitors reaction kettle
After the temperature of autoclave body (02) is reduced to room temperature, manually or hydrocarbon pressure value, the simulation gas generated in reaction vessel (01) are arranged in setting
Enter automatic collection and metering device (210) by the second valve (9) with simulation liquid；
When default hydrocarbon expulsion mode is set as Bian Shengbian row's mode, hot pressing simulation system work, when reaction vessel (01)
When interior pressure value is greater than default row's hydrocarbon pressure value, the second valve (9) is opened, the interior simulation gas generated of reaction vessel (01),
Liquid is simulated to enter in automatic collection and metering device (210) by the second valve (9)；When the pressure in reaction vessel (01) is small
When default row's hydrocarbon pressure value, the second valve (9) is closed, up to the pressure rise in reaction vessel (01) to default row's hydrocarbon pressure
When on value, the second valve (9) is again turned on, and repeats above-mentioned hydrocarbon expulsion process, and until reaching preset time, heating tube (06) stops
Work.
In above-mentioned analog sample hot pressing analogy method, system work process is simulated in the hot pressing, i.e. controller (301) starts
The hot pressing simulation system makes the analog sample in reaction vessel (01) carry out hydrocarbon reaction
Controller (301) receives thermocouple by temperature control device (302) starting heating tube (06) work, controller (301)
(07) temperature of the reaction kettle autoclave body (02) fed back, until the temperature of reaction kettle autoclave body (02) reaches preset temperature value, controller
(301) temperature of reaction kettle autoclave body (02) is stablized near preset temperature value by feedback closed loop control method；
Meanwhile controller (301) control external pressure pump (401) is interior to reaction kettle autoclave body (02) by pressure water injection pipe (09)
Pressure (hydraulic) water is injected, so that reaction vessel (01) confining pressure reaches default confining pressure value；It is logical that controller (301) controls interior pressure pump (402)
It crosses analog sample of the pressure line (4) into reaction vessel (01) and applies Fluid pressure, so that the stream in reaction vessel (01)
Body pressure reaches predetermined fluid pressure value.
Using the above technological means, the present invention is had following technical effect that
(1) using bellows reaction kettle and independent heating tube, temperature control device and automatic collection and metering device as mould
Quasi- external member, as needed, the hot pressing simulation system include at least one simulation external member, are reacted by controller different bellows
Kettle carries out independent temperature control, and highest analog temperature is up to 800 DEG C, to realize simultaneously to the same sample of different temperatures
The hydrocarbon of the different samples of hydrocarbon, hydrocarbon expulsion process simulation or same temperature, hydrocarbon expulsion process simulation, for the life of simulation hydrocarbon source rock completely
Hydrocarbon ability provides possibility；
(2) each bellows reaction kettle is filled by pressure line and independent automatic collection and metering in the hot pressing simulation system
It sets and is connected, Precise collection and meter are carried out to row's hydrocarbon products of each bellows reaction kettle by independent automatic collection and metering device
Amount can simulate hydrocarbon process of the hydrocarbon source rock under the different hydrocarbon expulsion modes such as disposably row's hydrocarbon, Bian Shengbian row；By being discharged in time
The liquid hydrocarbon and heavy hydrocarbon gas component of generation prevent from that second pyrolysis occurs under the high temperature conditions so that union dyeing analog sample generated
Product；
(3) bellows reaction kettle uses the bellows reaction vessel for being placed in reaction kettle autoclave body as sample room, relative to existing
Directly merging sample, can be by pressurizeing as sample room to injection around the intracorporal reaction vessel of reaction kettle kettle inside reaction kettle
Water, more actually under simulation stratum condition hydrocarbon source rock confining pressure (in the prior art sample room only exist up and down confining pressure)；Reaction is held
Device replaces existing gold tube as reaction vessel chamber, cost using bellows thin wall overpressure resistant cavity made of Nickel-Based Steel
Low, volume is big, and applicability is good；
(4) it is provided with insulating layer around bellows reaction kettle, the loss of reaction kettle autoclave body temperature can be reduced, controller is matched
It closes thermocouple and temperature control device is controlled using feedback closed loop control strategy, effectively keep the consistency of bellows reactor temperature, mention
The high accuracy of simulation stratum condition experimental result.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment one of the hot pressing simulation system the present invention is based on bellows reaction kettle；
Fig. 2 is the structural schematic diagram of the embodiment two of the hot pressing simulation system the present invention is based on bellows reaction kettle；
Fig. 3 is the structural schematic diagram of bellows reaction kettle；
Fig. 4 is the structural schematic diagram of reaction vessel
Fig. 5 is the structural schematic diagram of reaction kettle autoclave body；
Fig. 6 is the structural schematic diagram of reaction kettle capping；
Fig. 7 is the structural schematic diagram of automatic collection and metering units.
Appended drawing reference indicates in figure are as follows:
100- bellows reaction kettle unit；110- bellows reaction kettle；
01- reaction vessel；1- bellows thin wall overpressure resistant cavity；The resistance to squeeze cap of 2- first, 3- first filter, the first pressure resistance of 4-
Pipeline, the first valve of 5-；The resistance to squeeze cap of 6- second, the second filter of 7-, the second pressure line of 8-, the second valve of 9-；
02- reaction kettle autoclave body, 021- water injection hole, 022- spiral shell button；
The capping of 03- reaction kettle, 031- lower flange, 032- graphite circle, 033- end socket, 034- gasket, 035- upper flange plate,
036- seals pad assembly, 037- connection pressure cap, 038- bolt, 039- screw；
04- insulating layer, the upper insulating layer of 041-, insulating layer under 042-；
05- steel bushing；06- heating tube；07- thermocouple；08- shell；09- pressure water injection pipe；
200- is collected automatically and metering units；210- is collected automatically and metering device；
201- gas collection vessel, 202- flowmeter, 203- liquid collecting container, 204- pressure pump, 205- pneumatic operated valve, 206- are followed
Ring refrigeration machine, 207- cooling tube, 208- gas fairlead line, 209- hand-operated valve；
300- control and processing unit；301- controller, 302- temperature control device；
400- Fluid pressure feed unit；401- external pressure pumps, pressure pump in 402-.
Specific embodiment
It is applicable in for the small caused sample of volume existing for the hydrocarbon thermal simulation experiment device being commonly made of gold tube
Property limitation, generate liquid composition and heavy hydrocarbon gas can not be discharged in time and second pyrolysis easily occurs, is difficult to simulate in geologic body
The evolutionary process of hydrocarbon source rock " Bian Shengbian row ", it is at high cost the problems such as, the present invention provides a kind of hot-die based on bellows reaction kettle
Quasi- system and method, the system bellows reaction kettle replace existing Huang using bellows thin wall overpressure resistant cavity made of Nickel-Based Steel
Golden pipe is as reaction vessel chamber, and at low cost, volume is big, and applicability is good；By being connected to the pressure line of reaction vessel interior, and
Using pressure water injection full of around reaction vessel, the confining pressure of hydrocarbon source rock in geologic body is simulated, discharge in time is can be realized and generates
Liquid hydrocarbon and heavy hydrocarbon gas component, prevent that second pyrolysis occurs under the high temperature conditions thus union dyeing analog sample generate production
Object, the evolutionary process of hydrocarbon source rock Bian Shengbian row in analog geologic body.
Below in conjunction with attached drawing and specific implementation example, to the present invention is based on the hot pressing of bellows reaction kettle to simulate system and method
It is described in detail.
Fig. 1 and Fig. 2 is the topology example of hot pressing simulation system of the present invention.As depicted in figs. 1 and 2, the hot pressing simulation system
It is single including bellows reaction kettle unit 100, automatic collection and metering units 200, control and processing unit 300 and Fluid pressure supply
Member 400, bellows reaction kettle unit 100 include an at least bellows reaction kettle 110, and automatic collection and metering units 200 include at least
One automatic collection and metering device 210, automatic collection and metering device 210 are corresponded with bellows reaction kettle 110 and by resistance to
Pressure pipeline connection, Fluid pressure feed unit 400 is connected with bellows reaction kettle 110, for the hydrocarbon in bellows reaction kettle 110
Source rock sample (analog sample) provides Fluid pressure and confining pressure, bellows reaction kettle 110, automatic collection and metering units 200 and stream
Body pressure feed unit 400 is respectively electrically connected to control and processing unit 300.The present invention described in detail below has bellows reaction
Structure, composition and the working principle of each component units of the hot pressing simulation system of kettle.
Bellows reaction kettle unit 100
Bellows reaction kettle unit 100 includes an at least bellows reaction kettle 110.Referring to Fig. 3, bellows reaction kettle 110 includes anti-
Container 01, reaction kettle autoclave body 02, reaction kettle capping 03 and insulating layer 04, reaction vessel 01 is answered to be built in reaction kettle autoclave body 02
Portion, reaction kettle capping 03 blocks at the upper end opening of reaction kettle autoclave body 02, and seals and be pierced by inside reaction kettle autoclave body 02
Pressure line, insulating layer 04 are set in the outside of reaction kettle autoclave body 02 and reaction kettle capping.
Reaction vessel 01 is the bellows structure equipped with through-hole, and the sample (simulation of simulation hydrocarbon source rock is placed in bellows cavity
Sample), (simulation sample can be provided for being passed through pressurized fluid in the pipeline its through hole setting and be connected in bellows cavity
The Fluid pressure of product) and the simulation gas generated is discharged and simulates liquid.
Specifically, in embodiment as shown in Figure 4, reaction vessel 01 include bellows thin wall overpressure resistant cavity 1, respectively with bellows
The first resistance to squeeze cap 2 and the second resistance to squeeze cap 6 that the two-port of thin wall overpressure resistant cavity 1 is tightly connected and to be each passed through first resistance to
The first pressure line 4 and the second pressure line 8 of squeeze cap 2 and the second resistance to squeeze cap 6, in the embodiment, through-hole setting is the
On one resistance to squeeze cap 2 and the second resistance to squeeze cap 6, above-mentioned pipeline is across the first pressure line 4 of through-hole and the second pressure pipe
Line 8, in which:
Bellows thin wall overpressure resistant cavity 1 is made of nickel-base alloy steel, wall thickness 0.5mm, has preferable ductility and resistance to
Corrosivity, intensity meet the requirement of heat-press simulation experiment, are equipped withWith(diameter × length
Degree) two kinds of sizes, the volume of the reaction vessel is tens times of gold tube, can be suitable for the sample of various qualities, reduce
To the restrictive condition of the sample content of organic matter, applicability is good；And nickel-base alloy steel advantage of lower cost, performance are substantially full
Sufficient heat-press simulation experiment requirement, is convenient for large-scale promotion, has a extensive future.Bellows thin wall overpressure resistant cavity 1 is semi open model cylinder
Body structure, both ends are equipped with opening, are tightly connected respectively with the first resistance to squeeze cap 2 and the second resistance to squeeze cap 6, for example, it may be weldering
It connects or is mechanically connected.
In one embodiment, the first resistance to squeeze cap 2 and the second resistance to squeeze cap 6 are bowl structure, and the rim of a bowl edge is to bottom of bowl
Direction is extended with flanging, and when installation, the rim of a bowl is towards the inside of bellows thin wall overpressure resistant cavity 1, hemmed edges and bellows thin wall overpressure resistant
The port edge of cavity 1 is welded or is mechanically fixed.First resistance to squeeze cap 2 and the second resistance to squeeze cap 6 are set as bowl-shape with flanging
Structure avoids high temperature when welding from generating sample first is that can guarantee that sample does not contact directly with pad in welding process
It influences；Second is that bowl structure is arch, buffer function can be played when bearing ambient pressure, cavity when avoiding inside and outside differential pressure excessive
Leakage.The wall thickness of first resistance to squeeze cap 2 and the second resistance to squeeze cap 6 is preferably 1mm, and centre is respectively equipped with first through hole and second and leads to
Hole (through-hole being arranged on i.e. above-mentioned reaction vessel 01), is respectively used to across the first pressure line 4 and the second pressure line 8；It is excellent
Choosing, first through hole and the second through-hole diameter are 2mm, and around respectively extend outwardly a flange, and the first pressure line 4 and second is resistance to
Pressure pipeline 8 is each passed through first through hole and the second through-hole, and together with the flanging welded of respective through-hole, since pad is in capsule
The outside of formula thin wall overpressure resistant cavity 1 is isolated with the sample in bellows thin wall overpressure resistant cavity 1, it is ensured that sample is in the welding process not
It is influenced by welding high temperature.In one embodiment, the first resistance to squeeze cap 2, the second resistance to squeeze cap 6 and bellows thin wall overpressure resistant cavity
1 port also uses welding manner connection, seals, this welding manner, sealed reliable, under high-temperature and high-pressure conditions, even if bellows
Thin wall overpressure resistant cavity 1 occurs severely deformed, will not leak.
Further, the first pressure line 4 and the second pressure line 8 are hollow pipeline, can pass through gas and liquid in pipeline
Body, since pipeline internal diameter is small, solid and powdered samples can not pass through, and otherwise easily block.In view of the foregoing, first is resistance to
Pressure pipeline 4 and the second pressure line 8 are located at the end inside bellows thin wall overpressure resistant cavity 1 and are respectively arranged with 3 He of first filter
Second filter 7, first filter 3 and the second filter 7 are made of nickel-base alloy powder powder metallurgy material, are covered each by first
The port of pressure line 4 and the second pressure line 8, enables gas and liquid to enter in pipeline by filter, and blocking
Solid or powder can not pass through.Preferably, the outer diameter of first filter 3 and the second filter 7 isInternal diameterBottom
Thick 2mm is respectively welded at the port of the first pressure line 4 and the second pressure line 8.
Further, divide on the first pressure line 4 and the second pressure line 8 outside bellows thin wall overpressure resistant cavity 1
It is not provided with the first valve 5 and the second valve 9, the first valve 5 and the first pressure line 4 are used to vacuumize reaction vessel, with
Leakproofness in confirmatory reaction container can also be applied by analog sample of first pressure line 4 into bellows thin wall overpressure resistant cavity 1
Add Fluid pressure, is used for simulated formation Fluid pressure；Second valve 9 and the second pressure line 6 are resistance to for bellows thin-walled after testing
Press the discharge of the gas and liquid that generate in cavity 1.
Reaction vessel 01 replaces existing gold tube as anti-using bellows thin wall overpressure resistant cavity 1 made of Nickel-Based Steel
Container chamber is answered, at low cost, volume is big, and applicability is good；Pass through the first pressure line inside connection bellows thin wall overpressure resistant cavity 1
4 and second pressure line 8, the liquid hydrocarbon and heavy hydrocarbon gas component that discharge generates in time prevent from occurring under the high temperature conditions secondary
Cracking is so that the product that union dyeing analog sample generates；By 8 port of the first pressure line 4 and the second pressure line is arranged in
One filter 3 and the second filter 7, filter out agglomerated solids or powder, and gas and liquid is only allowed to enter the first pressure line 4
With the second pressure line 8, prevent the first pressure line 4 and the second pressure line 8 from blocking；Bowl-shape end cap with flanging with
And the design of the through-hole with flange avoids its high temperature from influencing so that sample is isolated with pad in welding process.Reaction vessel
01 structure is simple, low in cost, is used cooperatively with reaction kettle autoclave body 02, can more actually simulate the Evolution History of hydrocarbon source rock.
The structure of reaction kettle autoclave body 02 is referring to Fig. 5.Reaction kettle autoclave body 02 is the cylindrical structure of upper opening, the side wall on top
Outside is equipped with spiral shell button 022, for being spirally connected with reaction kettle capping 03；02 bottom of reaction kettle autoclave body offers water injection hole 021, a pressurization
Water injection pipe 09, which is mounted in the water injection hole 021, passes through the stretching reaction kettle autoclave body 02 of insulating layer 04, for connecting water injecting pump to reaction
Pressure (hydraulic) water is injected in kettle autoclave body 02.Reaction kettle autoclave body 02 is internally provided with reaction vessel 01, the first pressure pipe of reaction vessel 01
Line 4 and the second pressure line 8 are each passed through reaction kettle capping 03 and insulating layer 04 stretches out reaction kettle autoclave body 02, simultaneous reactions kettle envelope
Two pressure lines are sealed and are fixed by lid 03, and the inner wall of reaction vessel 01 and reaction kettle autoclave body 02 has spacing；When work, reaction kettle kettle
Pressure (hydraulic) water is full of inside body 02, reaction vessel 01 is pressurized water encirclement, being capable of confining pressure around real simulation geology hydrocarbon source rock.For
Accurate measurement and the temperature for controlling reaction kettle autoclave body 02, the periphery of reaction kettle autoclave body 02 are set with a steel bushing 05, in steel bushing 05
Embedded with an at least heating tube 06 and a thermocouple 07, it is preferred that heating tube 06 is equipped with more, and is arranged in spacing, for equal
Even heating reaction kettle autoclave body 02.
Reaction kettle capping 03 be split type structure, as shown in fig. 6, include from bottom to up sequentially connected lower flange 031,
Graphite circle 032, end socket 033, upper flange plate 035, sealing pad assembly 036 and connection pressure cap 037, lower flange 031 are screw cap type
Structure is threadedly coupled with the spiral shell button 022 of 02 open end of reaction kettle autoclave body, and 02 top of reaction kettle autoclave body and end socket 033 fasten, envelope
First 033 be provided with graphite circle 032 on the contact surface of reaction kettle autoclave body 02, for sealing the upper end opening of reaction kettle autoclave body 02；
In one embodiment, rotary table is equipped in the middle part of end socket 033, upper flange plate 035 is set on the rotary table, and upper flange plate 035 is under
Ring flange 031 is connected by bolt 038, by tightening bolt 038, for pushing end socket 033, makes end socket 033 and reaction kettle
Autoclave body 02 closely fastens.Connection pressure cap 037 is the nut structure equipped with cavity, is threadedly coupled with end socket 033, solid in order to stablize
The fixed pressure line across end socket 033 and the cavity of connection pressure cap 037, connection pressure cap 037 and lower end are provided with sealing pad assembly
036, after connection pressure cap 037 screws, seal the pressure line fixing seal that pad assembly 036 passes through.
Preferably, gasket 034 is provided between upper flange plate 035 and end socket 033, screw 039 is screwed into upper flange plate 035,
Screw 039 is transferred to end socket 033 by gasket 034 to the longitudinal pressure that upper flange plate 035 applies, and end socket 033 is made to press reaction
Kettle autoclave body 02, formation are reliably fixed sealing.
In one embodiment, sealing pad assembly 036 is two steel rings and the multiple graphite circles being clamped between two steel rings
Composite structure, can be by pressure line fixing seal after graphite circle expanded by heating.Aforesaid reaction vessel capping 03 facilitates peace installation and dismantling
It unloads, can be realized and reliably seal and fix.
Insulating layer 04 includes the upper insulating layer 041 being arranged in around reaction kettle capping 03 and reaction kettle autoclave body 02 is arranged in
The lower insulating layer 042 of surrounding, it is preferred that lower insulating layer 042 is arranged in around steel bushing 05, for preventing thermal loss, increasing
Temperature controls stationarity, and lower 042 upper end of insulating layer is connect with upper insulating layer 041 and reaction kettle capping 02.
In one embodiment, lower 042 integral assembling of insulating layer is in a shell 08, it is preferred that the shell wall of shell 08 is double
Layer structure is vacuum chamber between two layers of shell wall, further prevents the heat loss in reaction kettle autoclave body 02.
In one embodiment, the second valve 9 is pneumatic valve configurations, and the opening and closing of the second valve 9 are by reaction vessel 01
The size of cracking pressure (row's hydrocarbon pressure) preset value of interior pressure value and the second valve 9 controls, i.e., when in reaction vessel 01
Pressure value be greater than setting row's hydrocarbon pressure value (the cracking pressure value of i.e. preset second valve 9) when, the second valve 9 open,
The interior simulation gas produced of reaction vessel 01 enters automatic collection and metering device 210 by the second valve 9；When reaction vessel 01
When interior pressure value is down under default row's hydrocarbon pressure value, the second valve 9 is closed, until the pressure value in reaction vessel 01 increases
To default row's hydrocarbon pressure value, repeat the above process, to realize that Bian Shengbian is drained through journey.
Automatic collection and metering units 200
As depicted in figs. 1 and 2, it collects automatically and metering units 200 includes at least an automatic collection and metering device 210,
For collecting and metering analog sample hot pressing analog product (including simulation gas and simulation liquid).As shown in fig. 7, the automatic receipts
Collection and metering device 210 include be sequentially communicated gas fairlead line 208, pneumatic operated valve 205, pressure pump 204, liquid collecting container 203,
Flowmeter 202 and gas collection vessel 201, gas fairlead 208 are connected to the second pressure line 8, and a cooling tube 20 is wrapped in
The periphery of gas fairlead line 208, liquid collecting container 203 and cooling tube 207 are freezed by a circulating refrigerator 206, pneumatic operated valve 205
It is respectively electrically connected to controller 301 with flowmeter 202, controller 301 receives the continuous data of flowmeter 202 and controls pneumatic
The switch motion of valve 205.
In one embodiment, a hand-operated valve 209 (referring to Fig. 7), hand-operated valve are concatenated between pneumatic operated valve 205 and pressure pump 204
209 be usually that normally open can be manually operated hand-operated valve 209, prevent when 9 failure of the second valve or 301 failure of controller
Simulation gas in reaction vessel 01 enters in automatic collection and metering device 210.
Fluid pressure feed unit 400
As depicted in figs. 1 and 2, Fluid pressure feed unit 400 is used for the analog sample (mould in bellows reaction kettle 110
The sample of quasi- hydrocarbon source rock) confining pressure and internal fluid pressure, including external pressure pump 401 and interior pressure pump 402, external pressure pump are provided
401 inside pressure water injection pipe 09 and reaction kettle autoclave body 02 by being connected, for being provided with analog sample to reaction kettle autoclave body 02
Reaction vessel 01 apply confining pressure (be higher than formation fluid pressure 2MPa or more, highest 100MPa), interior pressure pump 402 passes through first
It is connected inside pressure line 4 and reaction vessel 01, for applying Fluid pressure into the reaction vessel 01 equipped with analog sample
(simulated formation Fluid pressure, highest 60MPa).Since the port of reaction kettle autoclave body 02 uses the reaction of self-tightening thermal balance structure
Kettle capping 03, it is ensured that analog sample hydrocarbon, hydrocarbon expulsion process can be carried out under simulated formation fluid pressure condition without
Arrange the leakage of hydrocarbon products.
External pressure pump 401 and interior pressure pump 402 are respectively electrically connected to controller 301, by controller 301 according to presetting
Confining pressure and Fluid pressure size control external pressure pump 401 and interior pressure pump 402 work.
Control and processing unit 400
Referring to Fig. 1 and Fig. 2, control and processing unit 400 include controller 301 and the temperature being electrically connected with controller 301
Device 302 is controlled, temperature control device 302 is electrically connected with heating tube 06, thermocouple 07, for monitoring the temperature in bellows reaction kettle 110.
Controller 301 includes processor and the memory and communication interface that are electrically connected to processor, and temperature control device 302 is connect by communication
Mouth is electrically connected to processor, processor according to preset control parameter (including preset temperature value, default heating rate, it is default when
Between etc.) generate control instruction and be sent to temperature control device 302, heating tube 06 is controlled according to default heating speed by temperature control device 302
Rate work, simultaneous processor receive the temperature value for the reaction kettle autoclave body 02 that thermocouple 07 detects, and judge whether the temperature value reaches
To preset temperature value, if reaching preset temperature value, processor controls heating tube 06 by temperature control device and stops heating.Processor
Closed-loop control is formed by the temperature value that thermocouple 07 is fed back, the temperature of reaction kettle autoclave body 02 is made to remain at preset temperature value
Within the temperature range of place, until reaching preset time.
The above unit is assembled into the hot pressing simulation system the present invention is based on bellows reaction kettle, the base according to above-mentioned connection relationship
It is had following technical effect that compared with prior art in the hot pressing simulation system of bellows reaction kettle
(1) system is using bellows reaction kettle 110 and independent heating tube 06, temperature control device 302 and automatic collection and meter
Device 210 is measured as simulation external member, as needed, which may include a simulation external member (referring to Fig. 1),
It may include multiple simulation external members (referring to fig. 2), carry out independent temperature by 301 pairs of controller different bellows reaction kettles 110
Degree control, highest analog temperature is up to 800 DEG C, to realize the hydrocarbon to the same sample of different temperatures, hydrocarbon expulsion process simultaneously
The hydrocarbon of the different samples of simulation or same temperature, hydrocarbon expulsion process simulation, the hydrocarbon generation capacity for simulation hydrocarbon source rock completely provide
It may；
(2) each bellows reaction kettle 110 passes through pressure line and independent automatic collection and meter in the hot pressing simulation system
Amount device 210 is connected, by independent automatic collection and metering device 210 to row's hydrocarbon products of each bellows reaction kettle 110 into
Row Precise collection and metering can simulate hydrocarbon mistake of the hydrocarbon source rock under the different hydrocarbon expulsion modes such as disposably row's hydrocarbon, Bian Shengbian row
Journey；By the way that the liquid hydrocarbon and heavy hydrocarbon gas component of generation are discharged in time, prevent from that second pyrolysis occurs under the high temperature conditions so that mixed
Contaminate the product that analog sample generates；
(3) bellows reaction kettle 110 is used as sample room using the bellows reaction vessel 01 for being placed in reaction kettle autoclave body 02, relative to
Directly merging sample can pass through reaction vessel 01 week into reaction kettle autoclave body 02 as sample room inside existing reaction kettle
Enclose injection pressure (hydraulic) water, more actually under simulation stratum condition hydrocarbon source rock confining pressure (in the prior art sample room only exist up and down encloses
Pressure)；Reaction vessel 01 replaces existing gold tube to hold as reaction using bellows thin wall overpressure resistant cavity made of Nickel-Based Steel
Device chamber, at low cost, volume is big, and applicability is good；
(4) it is provided with insulating layer 04 around bellows reaction kettle 110, the loss of 02 temperature of reaction kettle autoclave body can be reduced,
Controller 301 cooperates thermocouple 07 to control temperature control device 302 using feedback closed loop control strategy, effectively keeps bellows reaction kettle
The consistency of temperature in 110, improves the accuracy of simulation stratum condition experimental result.
The present invention provides a kind of analog sample hot pressing simulation side according to the above-mentioned hot pressing simulation system based on bellows reaction kettle
Method, comprising the following steps:
Analog sample is placed in the reaction vessel 01 in bellows reaction kettle 110 by step 1, and 01 He of confirmatory reaction container
The leakproofness of reaction kettle autoclave body 02 prevents gas or liquid leakage or leakage.
The method of leakproofness is verified specifically, interior pressure pump 402 passes through the first pressure line 4 for the sky in reaction vessel 01
Gas evacuates (vacuumizing), and external pressure pump 401 injects pressure (hydraulic) water into reaction kettle autoclave body 02 by pressure water injection pipe 09, keeps 12h
Later, observe whether the pressure in the first pressure line 4 changes and whether 02 periphery of reaction kettle autoclave body has water leakage, if pressure
Power is remained unchanged, is leaked without water, shows good airproof performance, otherwise replacement in time or maintenance.
Simulation control parameter, including preset temperature value, default confining pressure value, default ground is arranged by controller 301 in step 2
Layer fluid pressure value, preset time value (simulated experiment time), default row's hydrocarbon pressure value (cracking pressure of the second valve 9) and in advance
If hydrocarbon expulsion mode (including disposable hydrocarbon expulsion mode and Bian Shengbian arrange mode), and hot pressing simulation system is started by controller 301
System work makes the analog sample in reaction vessel 01 carry out hydrocarbon reaction, and carries out the operation of row's hydrocarbon (only according to default hydrocarbon expulsion mode
Bian Shengbian, which arranges mode, has the operation), until reaching preset time value.
Specifically, system work process is simulated in hot pressing, i.e., controller 301, which starts the hot pressing simulation system, makes reaction vessel 01
Interior analog sample carries out hydrocarbon reaction
Controller 301 starts heating tube 06 by temperature control device 302 and works, and controller 301 receives what thermocouple 07 was fed back
The temperature of reaction kettle autoclave body 02, until the temperature of reaction kettle autoclave body 02 reaches preset temperature value, controller 301 passes through feedback closed loop
Control method stablizes the temperature of reaction kettle autoclave body 02 near preset temperature value；
Meanwhile controller 301 controls external pressure pump 401 and injects pressurization into reaction kettle autoclave body 02 by pressure water injection pipe 09
Water, so that 01 confining pressure of reaction vessel reaches default confining pressure value (for example, confining pressure value can be read with digital display screen in external pressure pump 401)；
Controller 301 controls interior pressure pump 402 and applies Fluid pressure by analog sample of the pressure line 4 into reaction vessel 01,
So that the Fluid pressure in reaction vessel 01 reaches predetermined fluid pressure value, (interior pressure pump 402 has digital display screen, and fluid can be read
Pressure value).
Wherein, when hydrocarbon expulsion mode is set as disposable hydrocarbon expulsion mode, and to be set as maximum value (i.e. anti-for default row's hydrocarbon pressure value
Default row's hydrocarbon Pressure maximum value can not be higher than by answering the pressure value in container 01 theoretically) when, the second valve 9 is closed, the hot pressing
Simulation system work, reaches preset time value, and heating tube 06 stops working, and after temperature is reduced to room temperature, manually or hydrocarbon is arranged in setting
(as small as possible, preferably, close to 0), simulation gas enters automatic collection and metering device by the second valve 9 to pressure value
210, i.e., simulation gas is by the condensation removal liquid of liquid collecting container 203, and the dry gas of generation is by entering after flowmeter 202
It is collected in gas collection vessel 201.
When hydrocarbon expulsion mode is set as Bian Shengbian row's mode, hot pressing simulation system work, the pressure in reaction vessel 01
When force value is greater than default row's hydrocarbon pressure value, the second valve 9 is opened, and simulation gas, the simulation liquid generated in reaction vessel 01 is logical
The second valve 9 to be crossed to enter in automatic collection and metering device 210, i.e., simulation gas passes through the condensation removal liquid of liquid collecting container 203,
After the dry gas of generation passes through flowmeter 202, into being collected in gas collection vessel 201；Pressure in reaction vessel 01
When less than default row's hydrocarbon pressure, the second valve 9 close, until reaction vessel 01 in pressure rise to default row's hydrocarbon pressure value it
When upper, the second valve 9 is again turned on, and repeats above-mentioned hydrocarbon expulsion process, until reaching preset time, heating tube 06 stops working.
Step 3 monitors the temperature of reaction kettle autoclave body 02, until the temperature is down to room temperature, passes through Fluid pressure feed unit
400 interior pressure pump 402 and external pressure pump 401 releases Fluid pressure and confining pressure respectively, opens reaction kettle capping 03, takes out reaction
Residue in container 01, and take out the simulation gas of the collection of gas collection vessel 201 and the simulated solution of the collection of liquid collecting container 203
Body is measured.For measurement sample, the composition of product and property need to be a series of to the progress of its product under different evolution levels
Experimental analysis carries out chromatography, isotope analysis to gaseous product, carries out the analysis such as race's composition, chromatography, mass spectrum to product liquid.
It will be appreciated by those skilled in the art that these embodiments are merely to illustrate the present invention without limiting model of the invention
It encloses, the various equivalent variations and modification made to the present invention belong to the disclosure of invention.
Claims (17)
1. a kind of hot pressing simulation system based on bellows reaction kettle characterized by comprising
Bellows reaction kettle unit (100), including an at least bellows reaction kettle (110)；
Automatic collection and metering units (200), including at least one automatic collection and metering device (210), it is automatic to collect and measure
Device (210) is corresponded with bellows reaction kettle (110) and is connected to by pressure line；
Fluid pressure feed unit (400) is connected with bellows reaction kettle (110), for in bellows reaction kettle (110)
Analog sample provides Fluid pressure and confining pressure；With
Control and processing unit (300), the temperature control device of controller (301) is electrically connected to including controller (301) and at least one
(302), bellows reaction kettle (110), automatic collection and metering units (200) and Fluid pressure feed unit (400) are electrically connected respectively
It is connected to control and processing unit (300).
2. the hot pressing simulation system according to claim 1 based on bellows reaction kettle, which is characterized in that the bellows reaction
Kettle (110) includes equipped with the reaction kettle autoclave body (02) being open and blocking the reaction kettle capping in the opening of reaction kettle autoclave body (02)
(03), reaction kettle autoclave body (02) is built-in with the reaction vessel (01) for placing analog sample, reaction vessel (01) and reaction kettle
There is spacing between the side wall of autoclave body (02)；Reaction vessel (01) is the bellows structure with through-hole, and through hole is provided with and reacts
The pipeline being connected in container (01), for provide analog sample Fluid pressure and in time simulation gas that discharge generates and
Simulate liquid.
3. the hot pressing simulation system according to claim 2 based on bellows reaction kettle, which is characterized in that the reaction vessel
(01) include:
Bellows thin wall overpressure resistant cavity (1), for holding analog sample；
First resistance to squeeze cap (2) and the second resistance to squeeze cap (6) seal with the two-port of bellows thin wall overpressure resistant cavity (1) connect respectively
It connects；And
First pressure line (4) and the second pressure line (8) are each passed through the first resistance to squeeze cap (2) and the second resistance to squeeze cap (6)
The through-hole of setting and with bellows thin wall overpressure resistant cavity (1) inside be connected to.
4. the hot pressing simulation system according to claim 3 based on bellows reaction kettle, which is characterized in that the bellows thin-walled
Pressure-resistant cavity (1), the first resistance to squeeze cap (2) and the second resistance to squeeze cap (6) are made of Nickel-Based Steel, the first resistance to squeeze cap
(2) it welds or is mechanically connected with the two-port of bellows thin wall overpressure resistant cavity (1) respectively with the second resistance to squeeze cap (6).
5. the hot pressing simulation system according to claim 3 or 4 based on bellows reaction kettle, which is characterized in that described first
Resistance to squeeze cap (2) and the second resistance to squeeze cap (6) are bowl structure, and the rim of a bowl edge is extended with flanging, the rim of a bowl court to bottom of bowl direction
To the inside of bellows thin wall overpressure resistant cavity (1), the port edge of the flanging and bellows thin wall overpressure resistant cavity (1) is welded.
6. according to the described in any item hot pressing simulation systems based on bellows reaction kettle of claim 3 to 5, which is characterized in that institute
It states the first pressure line (4) and the second pressure line (8) is located at the internal one end of bellows thin wall overpressure resistant cavity (1) and is respectively arranged with
First filter (3) and the second filter (7), first filter (3) and the second filter (7) are covered each by the first pressure line
(4) and the port of the second pressure line (8)；First pressure line (4) and the second pressure line (8) pass through reaction kettle capping (03)
And the first valve (5) and the second valve (9) are separately installed on the pressure line for stretching out reaction kettle.
7. according to the described in any item hot pressing simulation systems based on bellows reaction kettle of claim 3 to 6, which is characterized in that institute
The periphery for stating reaction kettle autoclave body is set with a steel bushing (05), and an at least heating tube (06) and a thermocouple are embedded in steel bushing (05)
(07)。
8. the hot pressing simulation system according to claim 7 based on bellows reaction kettle, which is characterized in that the steel bushing (05)
The outside of reaction kettle capping (03) is provided with insulating layer (04).
9. the hot pressing simulation system according to claim 8 based on bellows reaction kettle, which is characterized in that the reaction kettle kettle
The bottom of body (02) is provided with water injection hole (021), and a pressure water injection pipe (09) is mounted in the water injection hole (021), and is pierced by guarantor
Warm layer (04) stretches out reaction kettle autoclave body (02) and is connected to Fluid pressure feed unit (400).
10. according to the described in any item hot pressing simulation systems based on bellows reaction kettle of claim 3 to 9, which is characterized in that institute
State reaction kettle capping (03) be split type structure, including from bottom to up sequentially connected lower flange (031), end socket (033) and
Upper flange plate (035), lower flange (031) are screw cap type structure, are threadedly coupled with reaction kettle autoclave body (02) open end；Reaction
Kettle autoclave body (02) open end and end socket (033) bottom snap are provided on end socket (033) and the contact surface of reaction kettle autoclave body (02)
Graphite circle (032)；Upper flange plate (035) is connect with lower flange (031) by bolt (038).
11. the hot pressing simulation system according to claim 10 based on bellows reaction kettle, which is characterized in that the reaction kettle
Capping (03) is additionally provided with:
It connects pressure cap (037), is the nut structure equipped with cavity, is threadedly coupled with end socket (033)；With
It seals pad assembly (036), is the composite structure of two steel rings and the multiple graphite circles being clamped between two steel rings, setting
In the lower end of connection pressure cap (037), for first for sequentially passing through sealing pad assembly (036), connecting pressure cap (037) fixed respectively
Pressure line (4) and the second pressure line (8).
12. according to the described in any item hot pressing simulation systems based on bellows reaction kettle of claim 3 to 11, which is characterized in that
The automatic collection and metering device (210) include the gas fairlead line (208) being sequentially communicated, pneumatic operated valve (205), pressure pump
(204), liquid collecting container (203), flowmeter (202) and gas collection vessel (201), gas fairlead (208) and the second pressure resistance
Pipeline (8) connection, a cooling tube (20) are wrapped in the periphery of gas fairlead line (208), liquid collecting container (203) and cooling tube
(207) freezed by a circulating refrigerator (206).
13. the hot pressing simulation system according to claim 12 based on bellows reaction kettle, which is characterized in that the pneumatic operated valve
(205) and flowmeter (202) is respectively electrically connected to controller (301).
14. according to the described in any item hot pressing simulation systems based on bellows reaction kettle of claim 3 to 13, which is characterized in that
The Fluid pressure feed unit (400) includes the external pressure pump (401) and interior pressure pump for being respectively electrically connected to controller (301)
(402), external pressure pump (401) inside pipeline and reaction kettle autoclave body (02) by being connected, for into reaction kettle autoclave body (02)
Reaction vessel (01) equipped with analog sample applies confining pressure；Interior pressure pump (402) passes through the first pressure line (4) and reaction vessel
(01) internal to be connected, for applying Fluid pressure into the reaction vessel (01) equipped with analog sample.
It is described in any item based on bellows reaction kettle using claim 2 to 14 15. a kind of analog sample hot pressing analogy method
Hot pressing simulation system is operated, comprising the following steps:
Analog sample is placed in the reaction vessel (01) in bellows reaction kettle (110) by step 1, and confirmatory reaction container (01)
With the leakproofness of reaction kettle autoclave body (02), gas or liquid leakage or leakage are prevented；
Step 2, by controller (301) be arranged simulation control parameter, the simulation control parameter include preset temperature value, in advance
If confining pressure value, default formation fluid pressure value, preset time value, default row's hydrocarbon pressure value and default hydrocarbon expulsion mode, and pass through control
Device (301) processed, which starts hot pressing simulation system work, makes analog sample in reaction vessel (01) carry out hydrocarbon reaction, and according to
Default hydrocarbon expulsion mode carries out row's hydrocarbon operation, until reaching preset time value；
Step 3, the temperature for monitoring reaction kettle autoclave body (02) are down to room temperature until the temperature value, pass through Fluid pressure feed unit
(400) interior pressure pump (402) and external pressure pump (401) releases the Fluid pressure of reaction vessel (01) interior analog sample respectively
With external confining pressure, reaction kettle capping (03) is opened, the residue in reaction vessel (01) is taken out, collects simulation gas and simulated solution
Body is measured, and carries out chromatography, isotope analysis to gaseous product, carries out race's composition, chromatography, mass spectrum point to product liquid
Analysis.
16. analog sample hot pressing analogy method according to claim 15, which is characterized in that described default in step 2
Hydrocarbon expulsion mode includes disposable hydrocarbon expulsion mode and Bian Shengbian row's mode:
When default hydrocarbon expulsion mode is set as disposable hydrocarbon expulsion mode, default row's hydrocarbon pressure value is set as maximum value, the second valve (9)
It closes, which simulates system starts, reaches preset time value, and heating tube (06) stops working, and monitors reaction kettle autoclave body
(02) after temperature is reduced to room temperature, manually or hydrocarbon pressure value, the simulation gas and mould generated in reaction vessel (01) are arranged in setting
Quasi- liquid enters automatic collection and metering device (210) by the second valve (9)；
When default hydrocarbon expulsion mode is set as Bian Shengbian row's mode, hot pressing simulation system work, when in reaction vessel (01)
When pressure value is greater than default row's hydrocarbon pressure value, the second valve (9) is opened, the interior simulation gas generated of reaction vessel (01), simulation
Liquid is entered in automatic collection and metering device (210) by the second valve (9)；When the pressure in reaction vessel (01) is less than in advance
If row hydrocarbon pressure value, the second valve (9) close, until reaction vessel (01) in pressure rise to default row's hydrocarbon pressure value it
When upper, the second valve (9) is again turned on, and repeats above-mentioned hydrocarbon expulsion process, and until reaching preset time, heating tube (06) stops work
Make.
17. analog sample hot pressing analogy method according to claim 15 or 16, which is characterized in that hot pressing simulation system
The system course of work, i.e. controller (301), which start the hot pressing simulation system, makes the analog sample in reaction vessel (01) carry out hydrocarbon
Reaction includes:
Controller (301) receives thermocouple (07) by temperature control device (302) starting heating tube (06) work, controller (301)
The temperature of the reaction kettle autoclave body (02) of feedback, until the temperature of reaction kettle autoclave body (02) reaches preset temperature value, controller (301)
The temperature of reaction kettle autoclave body (02) is stablized near preset temperature value by feedback closed loop control method；
Meanwhile controller (301) control external pressure pump (401) injection into reaction kettle autoclave body (02) by pressure water injection pipe (09)
Pressure (hydraulic) water, so that reaction vessel (01) confining pressure reaches default confining pressure value；Controller (301) controls interior pressure pump (402) and passes through one
Analog sample of the pressure line (4) into reaction vessel (01) applies Fluid pressure, so that the fluid pressure in reaction vessel (01)
Power reaches predetermined fluid pressure value.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113936537A (en) * | 2020-06-29 | 2022-01-14 | 中国石油化工股份有限公司 | Hydrocarbon generation dynamics simulation experiment device and method |
| CN115475573A (en) * | 2021-06-16 | 2022-12-16 | 中国石油化工股份有限公司 | Hydrocarbon generation and drainage dynamics experimental device and method for simulating geological process |
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| CN115475573A (en) * | 2021-06-16 | 2022-12-16 | 中国石油化工股份有限公司 | Hydrocarbon generation and drainage dynamics experimental device and method for simulating geological process |
| CN115475573B (en) * | 2021-06-16 | 2024-04-12 | 中国石油化工股份有限公司 | Hydrocarbon generation and drainage dynamics experiment device and method for simulating geological process |
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