CN209735569U - bag type hot-pressing simulation reaction kettle - Google Patents

bag type hot-pressing simulation reaction kettle Download PDF

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Publication number
CN209735569U
CN209735569U CN201920346304.1U CN201920346304U CN209735569U CN 209735569 U CN209735569 U CN 209735569U CN 201920346304 U CN201920346304 U CN 201920346304U CN 209735569 U CN209735569 U CN 209735569U
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China
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pressure
reaction kettle
resistant
kettle body
bag
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贾艳双
张居和
常立朋
王雪
曾花森
孙东
王义章
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Daqing Oilfield Co Ltd
China Petroleum and Natural Gas Co Ltd
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Daqing Oilfield Co Ltd
China Petroleum and Natural Gas Co Ltd
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Abstract

The utility model provides a bag type hot-pressing simulation reaction kettle, which comprises a reaction kettle body, a reaction container and a reaction kettle sealing cover, wherein the reaction container is of a bag type structure provided with a through hole and is used for placing a sample for simulating hydrocarbon source rocks, the sample is arranged in the reaction kettle body, and a space is arranged between the reaction container and the side wall of the reaction kettle body; the reaction kettle cover is plugged at the opening at the upper end of the reaction kettle body. The reaction kettle of the utility model adopts the bag-type thin-wall pressure-resistant cavity made of nickel-based alloy steel to replace the prior gold tube as the reaction vessel cavity, and has low cost, large volume and good applicability; pressurized water is injected through a pressure-resistant pipeline communicated with the interior of the bag type reaction vessel and a water injection hole of the reaction kettle body, so that the evolution process of 'growing and discharging' of the hydrocarbon source rock in the geologic body can be simulated; the split type reaction kettle sealing cover is arranged at the opening end of the reaction kettle body, so that the installation and the disassembly are convenient, and the reliable sealing and the reliable fixation of a pressure-resistant pipeline can be realized; the reaction kettle has the advantages of simple structure, low cost and reliable work.

Description

bag type hot-pressing simulation reaction kettle
Technical Field
The utility model belongs to the technical field of oil gas organic geochemistry experiment research, a hydrocarbon hot pressing simulation experiment technique is related to, concretely relates to bag formula hot pressing simulation reation kettle.
background
hydrocarbon formation potential and resource evaluation of hydrocarbon source rocks in sedimentary basins are one of core scientific problems in petroleum and gas research, and hydrocarbon generation hot-pressing simulation experiments are important technical means for hydrocarbon formation potential and resource evaluation of widely applied hydrocarbon source rocks.
at present, in the existing hydrocarbon generation hot-pressing simulation experiment devices, a gold tube hydrocarbon generation thermal simulation experiment device (the oil and gas industry standard SY/T7035-. However, the gold tube simulation experiment device method mainly has the following defects: the gold tube reaction container has small volume, the filling amount of an experimental sample is small, the gold tube reaction container is only suitable for sediments which are rich in organic matters, such as hydrocarbon source rocks, oil shale, coal and the like and have the organic carbon content of more than or equal to 2 percent, and the applicability is limited; the gold tube is a closed reaction container, generated liquid hydrocarbon and heavy hydrocarbon gas components cannot be discharged in time, secondary cracking is easy to occur under a high-temperature condition, and the evolution process of 'growing while discharging' of a hydrocarbon source rock in a geological body is difficult to simulate; the gold pipe material is high in price, and the experiment cost is high.
SUMMERY OF THE UTILITY MODEL
in order to solve the problem, the utility model provides a capsule type hot pressing simulation reation kettle can simulate the hydrocarbon production process of deposit organic matter under temperature, pressure, aqueous medium, mineral substance and the different hydrocarbon modes of arranging.
The utility model adopts the following technical scheme:
A bladder-type hot-pressing simulation reactor, comprising:
The reaction kettle body (02) is of a cylindrical structure with an upper opening;
the reaction vessel (01) is of a bag-type structure provided with through holes, is used for placing a sample simulating the hydrocarbon source rock, is arranged in the reaction kettle body (02), and is spaced from the side wall of the reaction kettle body (02); and
The reaction kettle cover (03) is plugged at the opening at the upper end of the reaction kettle body (02).
in the above capsule type hot-pressing simulation reactor, the reaction vessel (01) includes:
the bag type thin-wall pressure-resistant cavity (1) is used for containing a simulation sample;
the first pressure-resistant sealing cover (2) and the second pressure-resistant sealing cover (6) are respectively connected with two ports of the bag-type thin-wall pressure-resistant cavity (1) in a sealing way; and
The first pressure-resistant pipeline (4) and the second pressure-resistant pipeline (8) respectively penetrate through the through holes of the first pressure-resistant sealing cover (2) and the second pressure-resistant sealing cover (6) and are communicated with the inside of the bag-type thin-wall pressure-resistant cavity (1).
in the bag-type hot-pressing simulation reaction kettle, the bag-type thin-wall pressure-resistant cavity (1), the first pressure-resistant sealing cover (2) and the second pressure-resistant sealing cover (6) are all made of nickel-based alloy steel, and the first pressure-resistant sealing cover (2) and the second pressure-resistant sealing cover (6) are respectively welded or mechanically connected with two ports of the bag-type thin-wall pressure-resistant cavity (1).
In the bag type hot-pressing simulation reaction kettle, the first pressure-resistant sealing cover (2) and the second pressure-resistant sealing cover (6) are both of a bowl-shaped structure, the edge of a bowl opening extends towards the bottom of a bowl to form a folded edge, the bowl opening faces towards the inside of the bag type thin-wall pressure-resistant cavity (1), and the folded edge is welded with the edge of a port of the bag type thin-wall pressure-resistant cavity (1).
In the bag-type hot-pressing simulation reaction kettle, a first filter (3) and a second filter (7) are respectively arranged at one ends of the first pressure-resistant pipeline (4) and the second pressure-resistant pipeline (8) which are positioned in the bag-type thin-wall pressure-resistant cavity (1), and the first filter (3) and the second filter (7) respectively cover ports of the first pressure-resistant pipeline (4) and the second pressure-resistant pipeline (8); the first pressure-resistant pipeline (4) and the second pressure-resistant pipeline (8) penetrate through the reaction kettle cover (03), and a first valve (5) and a second valve (9) are respectively arranged on the pressure-resistant pipelines extending out of the reaction kettle and are respectively used for applying fluid pressure to a sample in the reaction container (01) and discharging a simulation product.
In the bag type hot-pressing simulation reaction kettle, a steel sleeve (05) is sleeved on the periphery of a kettle body of the reaction kettle, and at least one heating pipe (06) and a thermocouple (07) are embedded in the steel sleeve (05).
in the bag type hot-pressing simulation reaction kettle, the heat-insulating layer (04) is arranged outside the steel sleeve (05) and the reaction kettle sealing cover (03).
In the bag type hot-pressing simulation reaction kettle, the bottom of the kettle body (02) of the reaction kettle is provided with a water injection hole (021), and a pressurizing water injection pipe (09) is arranged in the water injection hole (021), penetrates out of the heat insulation layer (04), extends out of the kettle body (02) of the reaction kettle and is used for being connected with a water injection pump.
In the bag-type hot-pressing simulation reaction kettle, the reaction kettle sealing cover (03) is of a split structure and comprises a lower flange plate (031), a sealing head (033) and an upper flange plate (035) which are sequentially connected from bottom to top, and the lower flange plate (031) is of a nut-type structure and is in threaded connection with the opening end of the reaction kettle body (02); the open end of the reaction kettle body (02) is buckled with the bottom of the seal head (033), and a graphite ring (032) is arranged on the contact surface of the seal head (033) and the reaction kettle body (02); the upper flange (035) is connected with the lower flange (031) through bolts (038).
In the above-mentioned bag-type hot pressing simulation reation kettle, reation kettle closing cap (03) still is equipped with:
The connecting pressing cap (037) is of a nut structure provided with a cavity and is in threaded connection with the seal head (033); and
the sealing gasket component (036) is a combined structure of two steel rings and a plurality of graphite rings clamped between the two steel rings, is arranged at the lower end of the connecting pressing cap (037), and is used for respectively fixing a first pressure-resistant pipeline (4) and a second pressure-resistant pipeline (8) which sequentially penetrate through the sealing gasket component (036) and the connecting pressing cap (037).
technical means more than adopting, the utility model discloses following technological effect has:
(1) The reaction kettle of the utility model adopts the bag-type thin-wall pressure-resistant cavity made of nickel-based alloy steel to replace the prior gold tube as the reaction vessel cavity, and has low cost, large volume and good applicability;
(2) Injecting pressurized fluid through a pressure-resistant pipeline communicated with the interior of the bag-type reaction container, injecting pressurized water through a water injection hole of a reaction kettle body, filling the periphery of the reaction container to simulate the confining pressure of the hydrocarbon source rock in the geologic body, and timely discharging generated liquid hydrocarbon and heavy hydrocarbon gas components to prevent secondary cracking under a high-temperature condition so as to mix and dye a product generated by a simulated sample, so that the evolution process of 'discharging while generating' of the hydrocarbon source rock in the geologic body can be simulated;
(3) The split type reaction kettle sealing cover is arranged at the opening end of the reaction kettle body, and the reaction kettle sealing cover is provided with the connecting pressure cap and the sealing gasket assembly which are used for penetrating through the pressure-resistant pipeline, so that the installation and the disassembly are convenient, and the reliable sealing and the reliable fixing of the pressure-resistant pipeline can be realized;
(4) The filter is arranged at the port of the pressure-resistant pipeline, so that blocking solid or powder is filtered, only gas and liquid are allowed to enter the pressure-resistant pipeline, and the pressure-resistant pipeline is prevented from being blocked.
the utility model discloses reation kettle simple structure, low cost, the reliable operation, the evolution process of simulation hydrocarbon source rock that can be more true.
Drawings
FIG. 1 is a schematic structural view of a reaction kettle of the present invention;
FIG. 2 is a schematic view of the structure of a reaction vessel;
FIG. 3 is a schematic structural view of a reaction vessel body;
FIG. 4 is a schematic diagram of the structure of a reactor closure;
Fig. 5 is a control schematic diagram of the reaction kettle of the utility model.
The reference numbers in the figures denote:
01-a reaction vessel;
1-bag type thin-wall pressure-resistant cavity;
2-a first pressure-resistant sealing cover, 3-a first filter, 4-a first pressure-resistant pipeline, 5-a first valve;
6-a second pressure-resistant sealing cover, 7-a second filter, 8-a second pressure-resistant pipeline, 9-a second valve;
02-a reaction kettle body, 021-a water injection hole and 022-a screw buckle;
03-reaction kettle cover, 031-lower flange plate, 032-graphite ring, 033-seal head, 034-gasket, 035-upper flange plate, 036-sealing pad component, 037-connecting pressing cap, 038-bolt and 039-screw;
04-heat insulation layer, 041-upper heat insulation layer, 042-lower heat insulation layer;
05-steel jacket; 06-heating a tube; 07-a thermocouple; 08-a housing; 09-pressurizing a water injection pipe; 10-a controller.
Detailed Description
The utility model provides a bag type hot-pressing simulation reaction kettle, which adopts a bag type thin-wall pressure-resistant cavity made of nickel-based alloy steel to replace the existing gold tube as a reaction vessel cavity, and has the advantages of low cost, large volume and good applicability; by communicating the pressure-resistant pipeline inside the reaction container and filling the pressure-resistant pipeline with pressurized water around the reaction container, the confining pressure of the hydrocarbon source rock in the geologic body is simulated, the generated liquid hydrocarbon and heavy hydrocarbon gas components can be timely discharged, the product generated by the simulation sample due to secondary cracking under the high-temperature condition is prevented from being mixed and dyed, and the evolution process of the hydrocarbon source rock in the geologic body while discharging can be simulated.
the bag-type hot-pressing simulation reaction kettle of the present invention is described in detail below with reference to the accompanying drawings and specific examples.
Fig. 1 shows an example of the structure of the bag-type hot-pressing simulation reactor of the present invention. Referring to fig. 1, the utility model discloses reation kettle includes reaction vessel 01, the reation kettle cauldron body 02, reation kettle closing cap 03 and heat preservation 04, places the internal portion of reation kettle cauldron 02 in the reaction vessel 01 and has the interval with the inner wall of the reation kettle cauldron body 02, and reation kettle closing cap 03 shutoff is at the upper end opening part of the reation kettle cauldron body 02 to sealed withstand voltage pipeline of wearing out from the reation kettle cauldron body 02 is inside, and the outside of the reation kettle cauldron body 02 and reation kettle closing cap is established to heat preservation 04 cover.
The reaction container 01 is a bag-type structure with a through hole, a sample (simulation sample) for simulating the hydrocarbon source rock is placed in a bag-type cavity of the reaction container, and a pipeline communicated with the bag-type cavity can be arranged at the through hole and is used for introducing pressurized fluid (namely providing fluid pressure of the simulation sample) and discharging generated simulation gas and simulation liquid.
Specifically, in the embodiment shown in fig. 2, the reaction vessel 01 includes a bag-type thin-walled pressure-resistant cavity 1, a first pressure-resistant sealing cover 2 and a second pressure-resistant sealing cover 6 which are respectively connected to two ports of the bag-type thin-walled pressure-resistant cavity 1 in a sealing manner, and a first pressure-resistant pipeline 4 and a second pressure-resistant pipeline 8 which respectively pass through the first pressure-resistant sealing cover 2 and the second pressure-resistant sealing cover 6, wherein:
the bag-type thin-wall pressure-resistant cavity 1 is made of nickel-based alloy steel, has the wall thickness of 0.5mm, has better ductility and corrosion resistance, has the strength meeting the requirements of a hot-pressing simulation experiment, has two sizes of (diameter multiplied by length), has the volume which is dozens of times of that of a gold tube, can be suitable for samples with various qualities, reduces the limitation condition on the organic matter content of the samples, and has good applicability; and the nickel-based alloy steel has relatively low cost, the performance of the nickel-based alloy steel basically meets the requirements of hot-pressing simulation experiments, the nickel-based alloy steel is convenient for large-scale popularization, and the application prospect is wide. The bag-type thin-wall pressure-resistant cavity 1 is a semi-open cylinder structure, and two ends of the bag-type thin-wall pressure-resistant cavity are provided with openings and are respectively connected with the first pressure-resistant sealing cover 2 and the second pressure-resistant sealing cover 6 in a sealing manner, for example, the bag-type thin-wall pressure-resistant cavity can be welded or mechanically connected.
in one embodiment, the first pressure-resistant sealing cover 2 and the second pressure-resistant sealing cover 6 are both bowl-shaped structures, and the edge of the bowl opening extends towards the bowl bottom direction and is provided with a folded edge, when the pressure-resistant sealing cover is installed, the bowl opening faces towards the inside of the bag-type thin-wall pressure-resistant cavity 1, and the edge of the folded edge is welded or mechanically fixed with the edge of the port of the bag-type thin-wall pressure-resistant cavity 1. The first pressure-resistant sealing cover 2 and the second pressure-resistant sealing cover 6 are arranged into a bowl-shaped structure with folded edges, so that a sample is not in direct contact with a welding point in the welding process, and the sample is prevented from being influenced by high temperature in the welding process; secondly, the bowl-shaped structure is bow-shaped, and can play a role in buffering when bearing external pressure, so that the cavity is prevented from being leaked when the internal and external pressure difference is overlarge. The wall thicknesses of the first pressure-resistant sealing cover 2 and the second pressure-resistant sealing cover 6 are preferably 1mm, and a first through hole and a second through hole are respectively formed in the middles of the first pressure-resistant sealing cover 2 and the second pressure-resistant sealing cover 6 and are respectively used for penetrating through the first pressure-resistant pipeline 4 and the second pressure-resistant pipeline 8; preferably, the diameters of the first through hole and the second through hole are both 2mm, a flanging extends outwards from each peripheral direction, the first pressure-resistant pipeline 4 and the second pressure-resistant pipeline 8 respectively penetrate through the first through hole and the second through hole and are welded with the flanging of the respective through hole, and the welding point is arranged outside the bag-type thin-wall pressure-resistant cavity 1 and is isolated from a sample in the bag-type thin-wall pressure-resistant cavity 1, so that the sample is not influenced by high welding temperature in the welding process. In one embodiment, the first pressure-resistant sealing cover 2, the second pressure-resistant sealing cover 6 and the port of the bag-type thin-wall pressure-resistant cavity 1 are also connected and sealed by welding, the sealing is reliable, and no leakage occurs even if the bag-type thin-wall pressure-resistant cavity 1 is seriously deformed under the high-temperature and high-pressure conditions.
Further, the first pressure-resistant pipeline 4 and the second pressure-resistant pipeline 8 are hollow pipelines, gas and liquid can pass through the pipelines, and solid and powder samples cannot pass through the pipelines due to the small inner diameter of the pipelines, otherwise, the pipelines are easy to block. In view of the above, the first and second pressure-resistant pipelines 4 and 8 are respectively provided with a first filter 3 and a second filter 7 at the ends inside the bag-type thin-walled pressure-resistant cavity 1, and the first and second filters 3 and 7 are both made of nickel-based alloy powder metallurgy materials and respectively cover the ports of the first and second pressure-resistant pipelines 4 and 8, so that gas and liquid can enter the pipelines through the filters, and bulk solids or powder cannot pass through the filters. Preferably, the first filter 3 and the second filter 7 have an outer diameter with an inner diameter and a bottom thickness of 2mm and are welded to the ports of the first pressure line 4 and the second pressure line 8, respectively.
Furthermore, a first valve 5 and a second valve 9 are respectively arranged on a first pressure-resistant pipeline 4 and a second pressure-resistant pipeline 8 which are positioned outside the bag-type thin-wall pressure-resistant cavity 1, the first valve 5 and the first pressure-resistant pipeline 4 are used for vacuumizing a reaction container so as to verify the internal tightness of the reaction container, and fluid pressure can be applied to a simulation sample in the bag-type thin-wall pressure-resistant cavity 1 through the first pressure-resistant pipeline 4 so as to simulate the formation fluid pressure; the second valve 9 and the second pressure line 6 are used for discharging gas and liquid generated in the bag-type thin-walled pressure-resistant cavity 1 after the experiment.
in one embodiment, the second valve 9 is a pneumatic valve structure, the opening and closing of the second valve 9 is controlled by the pressure value in the reaction vessel 01 and the preset value of the opening pressure (hydrocarbon discharge pressure) of the second valve 9, that is, when the pressure value in the reaction vessel 01 is greater than the set hydrocarbon discharge pressure value (i.e., the preset opening pressure value of the second valve 9), the second valve 9 is opened, and the simulation gas produced in the reaction vessel 01 enters the automatic collecting and metering device through the second valve 9; when the pressure value in the reaction vessel 01 is reduced to be lower than the preset hydrocarbon discharge pressure value, the second valve 9 is closed until the pressure value in the reaction vessel 01 is increased to be the preset hydrocarbon discharge pressure value, and the process is repeated, so that the simultaneous hydrocarbon discharge process is realized.
The reaction vessel 01 adopts the bag-type thin-wall pressure-resistant cavity 1 made of nickel-based alloy steel to replace the existing gold tube as a reaction vessel cavity, and has low cost, large volume and good applicability; the generated liquid hydrocarbon and heavy hydrocarbon gas components are timely discharged through a first pressure-resistant pipeline 4 and a second pressure-resistant pipeline 8 which are communicated with the interior of the bag-type thin-wall pressure-resistant cavity 1, and the product generated by the simulation sample is prevented from being mixed and dyed due to secondary cracking under the high-temperature condition; the first filter 3 and the second filter 7 which are arranged at the ports of the first pressure-resistant pipeline 4 and the second pressure-resistant pipeline 8 are used for filtering out blocking solids or powder, only gas and liquid are allowed to enter the first pressure-resistant pipeline 4 and the second pressure-resistant pipeline 8, and the first pressure-resistant pipeline 4 and the second pressure-resistant pipeline 8 are prevented from being blocked; the design of the bowl-shaped end cover with the folded edge and the through hole with the folded edge enables a sample to be isolated from a welding point in the welding process, and the high-temperature influence of the sample is avoided. The reaction vessel 01 has simple structure and low cost, is matched with the reaction kettle body 02 for use, and can simulate the evolution process of the hydrocarbon source rock more truly.
the structure of the reaction kettle body 02 is shown in figure 3. The reaction kettle body 02 is of a cylindrical structure with an upper opening, and the outer side of the side wall of the upper part is provided with a screw button 022 for being in screw connection with the reaction kettle cover 03; the bottom of the reaction kettle body 02 is provided with a water injection hole 021, and a pressurizing water injection pipe 09 is installed in the water injection hole 021, penetrates through the heat insulation layer 04, extends out of the reaction kettle body 02 and is used for connecting a water injection pump to inject pressurizing water into the reaction kettle body 02. A reaction vessel 01 is arranged in the reaction kettle body 02, a first pressure-resistant pipeline 4 and a second pressure-resistant pipeline 8 of the reaction vessel 01 respectively penetrate through a reaction kettle cover 03 and a heat insulation layer 04 to extend out of the reaction kettle body 02, the two pressure-resistant pipelines are sealed and fixed by the reaction kettle cover 03, and a gap is formed between the reaction vessel 01 and the inner wall of the reaction kettle body 02; during operation, the reaction kettle body 02 is filled with pressurized water, and the reaction container 01 is surrounded by the pressurized water, so that the surrounding pressure around the geological hydrocarbon source rock can be simulated really. In order to accurately measure and control the temperature of the reaction kettle body 02, a steel sleeve 05 is sleeved on the periphery of the reaction kettle body 02, at least one heating pipe 06 and one thermocouple 07 are embedded in the steel sleeve 05, and preferably, a plurality of heating pipes 06 are arranged at intervals and used for uniformly heating the reaction kettle body 02.
The reaction kettle cover 03 is of a split structure, as shown in fig. 4, and comprises a lower flange 031, a graphite ring 032, a sealing head 033, an upper flange 035, a sealing gasket assembly 036 and a connecting press cap 037, which are sequentially connected from bottom to top, wherein the lower flange 031 is of a nut-type structure and is in threaded connection with a screw thread 022 at the opening end of the reaction kettle body 02, the top end of the reaction kettle body 02 is buckled with the sealing head 033, and a graphite ring 032 is arranged on the contact surface of the sealing head 033 and the reaction kettle body 02 and is used for sealing the opening at the upper end of the reaction kettle body 02; in one embodiment, a circular truncated cone is arranged in the middle of the end socket 033, an upper flange 035 is sleeved on the circular truncated cone, the upper flange 035 is connected with a lower flange 031 through bolts 038, and the bolts 038 are screwed for pressing the end socket 033 down, so that the end socket 033 is tightly buckled with the reaction kettle body 02. The connecting pressure cap 037 is a screw cap structure provided with a cavity, is in threaded connection with the end cap 033, and is connected with the pressure-resistant pipeline passing through the cavity of the end cap 033 and the connecting pressure cap 037 in order to stably fix the pressure-resistant pipeline passing through the cavity of the end cap 033 and the lower end of the connecting pressure cap 037, and after the connecting pressure cap 037 is screwed tightly, the pressure-resistant pipeline passing through the sealing pad assembly 036 is fixedly sealed.
Preferably, a gasket 034 is arranged between the upper flange 035 and the end socket 033, a screw 039 is screwed into the upper flange 035, and the longitudinal pressure applied by the screw 039 to the upper flange 035 is transmitted to the end socket 033 through the gasket 034, so that the end socket 033 is tightly pressed on the reactor body 02 to form reliable fixed sealing.
in one embodiment, the sealing gasket assembly 036 is a combination of two steel rings and a plurality of graphite rings clamped between the two steel rings, wherein the graphite rings can be expanded by heat to fixedly seal the pressure line. Above-mentioned reation kettle closing cap 03 easy to assemble and dismantlement can realize reliably sealed and fixed.
The heat preservation layer 04 comprises an upper heat preservation layer 041 arranged around the reaction kettle cover 03 and a lower heat preservation layer 042 arranged around the reaction kettle body 02, preferably, the lower heat preservation layer 042 is arranged around the steel sleeve 05 and used for preventing heat loss and increasing temperature control stability, and the upper end of the lower heat preservation layer 042 is connected with the upper heat preservation layer 041 and the reaction kettle cover 02.
in one embodiment, the lower insulating layer 042 is integrally sleeved in a casing 08, preferably, the wall of the casing 08 is a double-layer structure, and a vacuum cavity is formed between the two layers of the wall, so that heat in the reaction kettle body 02 is further prevented from being dissipated.
In one embodiment, the present invention further comprises a controller 10, as shown in fig. 5, wherein the heating pipe 06, the thermocouple 07, the first valve 5 and the second valve 9 are respectively connected to the controller 10. The controller 10 receives the temperature of the reaction kettle body 02 detected by the thermocouple 07, compares the obtained temperature value with a preset temperature value, generates a control instruction and sends the control instruction to the heating circuit, controls the heating pipe 06 to work (start heating or stop heating), and controls the first valve 5 or the second valve 9 to be opened or closed according to a preset working time sequence or working mode (hydrocarbon is discharged while generating or discharging at one time).
When the reaction kettle of the utility model is used, firstly, the shell 08, the lower heat preservation layer 042, the steel jacket 05 (embedded with the heating pipe 06 and the thermocouple 07) and the reaction kettle body 02 are sleeved in sequence from outside to inside, and the pressurizing water injection pipe 09 is arranged in the water injection hole 021 of the reaction kettle body 02 and extends out of the shell 08; then a certain amount of sample is put into the reaction container 01, and the installed reaction container 01 is placed in the reaction kettle body 02; then, the reaction kettle cover 03 is assembled in sequence, the first pressure-resistant pipeline 4 and the second pressure-resistant pipeline 8 sequentially penetrate through the seal head 033, the sealing gasket assembly 036 and the connecting press cap 037 to extend out of the reaction kettle body 02, and the bolts 038 connecting the upper flange 035 and the lower flange 031 are screwed down, so that the reaction kettle body 02 and the seal head 033 are tightly buckled; and finally, covering the upper heat-insulating layer 041 on the periphery of the reaction kettle cover 03, extending the pressure-resistant pipeline out of the upper heat-insulating layer 041, and connecting the first valve 5 and the second valve 9 to the extended pressure-resistant pipeline. In one embodiment, the heating pipe 06, the thermocouple 07, the first valve 5, and the second valve 9 are electrically connected to the controller 10, respectively.
It will be understood by those skilled in the art that these examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention, and that various equivalent modifications and adaptations of the invention are intended to fall within the scope of the invention disclosed herein.

Claims (10)

1. a capsule type hot-pressing simulation reaction kettle is characterized by comprising:
the reaction kettle body (02) is of a cylindrical structure with an upper opening;
The reaction vessel (01) is of a bag-type structure provided with through holes, is used for placing a sample simulating the hydrocarbon source rock, is arranged in the reaction kettle body (02), and is spaced from the side wall of the reaction kettle body (02); and
The reaction kettle cover (03) is plugged at the opening at the upper end of the reaction kettle body (02).
2. The capsule autoclave simulation reactor according to claim 1, wherein the reaction vessel (01) comprises:
The bag type thin-wall pressure-resistant cavity (1) is used for containing a simulation sample;
The first pressure-resistant sealing cover (2) and the second pressure-resistant sealing cover (6) are respectively connected with two ports of the bag-type thin-wall pressure-resistant cavity (1) in a sealing way; and
the first pressure-resistant pipeline (4) and the second pressure-resistant pipeline (8) respectively penetrate through the through holes of the first pressure-resistant sealing cover (2) and the second pressure-resistant sealing cover (6) and are communicated with the inside of the bag-type thin-wall pressure-resistant cavity (1).
3. The bag type hot-pressing simulation reactor according to claim 2, wherein the bag type thin-wall pressure-resistant cavity (1), the first pressure-resistant sealing cover (2) and the second pressure-resistant sealing cover (6) are all made of nickel-based alloy steel, and the first pressure-resistant sealing cover (2) and the second pressure-resistant sealing cover (6) are respectively welded or mechanically connected with two ports of the bag type thin-wall pressure-resistant cavity (1).
4. The bag type hot-pressing simulation reaction kettle according to claim 3, wherein the first pressure-resistant sealing cover (2) and the second pressure-resistant sealing cover (6) are both bowl-shaped structures, the edge of the bowl opening extends towards the bowl bottom and is provided with a folded edge, the bowl opening faces towards the inside of the bag type thin-wall pressure-resistant cavity (1), and the folded edge is welded with the edge of the port of the bag type thin-wall pressure-resistant cavity (1).
5. the bag type hot-pressing simulation reaction kettle according to claim 2, wherein one ends of the first pressure-resistant pipeline (4) and the second pressure-resistant pipeline (8) which are positioned inside the bag type thin-wall pressure-resistant cavity (1) are respectively provided with a first filter (3) and a second filter (7), and the first filter (3) and the second filter (7) respectively cover ports of the first pressure-resistant pipeline (4) and the second pressure-resistant pipeline (8); the first pressure-resistant pipeline (4) and the second pressure-resistant pipeline (8) penetrate through the reaction kettle cover (03), and a first valve (5) and a second valve (9) are respectively arranged on the pressure-resistant pipelines extending out of the reaction kettle and are respectively used for applying fluid pressure to a sample in the reaction container (01) and discharging a simulation product.
6. The bag type hot-pressing simulation reaction kettle according to any one of claims 1 to 5, wherein a steel sleeve (05) is sleeved on the periphery of the kettle body of the reaction kettle, and at least one heating pipe (06) and a thermocouple (07) are embedded in the steel sleeve (05).
7. The bag type hot-pressing simulation reaction kettle according to claim 6, wherein the steel sleeve (05) and the reaction kettle cover (03) are externally provided with an insulating layer (04).
8. the bag type hot-pressing simulation reaction kettle according to claim 7, wherein the bottom of the kettle body (02) is provided with water injection holes (021), and a pressurized water injection pipe (09) is installed in the water injection holes (021), penetrates through the insulating layer (04), extends out of the kettle body (02) and is used for being connected with a water injection pump.
9. The bag type hot-pressing simulation reaction kettle according to any one of claims 2 to 5, wherein the reaction kettle cover (03) is of a split structure and comprises a lower flange plate (031), a seal head (033) and an upper flange plate (035) which are sequentially connected from bottom to top, and the lower flange plate (031) is of a nut structure and is in threaded connection with an open end of the reaction kettle body (02); the open end of the reaction kettle body (02) is buckled with the bottom of the seal head (033), and a graphite ring (032) is arranged on the contact surface of the seal head (033) and the reaction kettle body (02); the upper flange (035) is connected with the lower flange (031) through bolts (038).
10. The capsule-type hot-pressing simulation reaction kettle according to claim 9, wherein the reaction kettle cover (03) is further provided with:
The connecting pressing cap (037) is of a nut structure provided with a cavity and is in threaded connection with the seal head (033); and
The sealing gasket component (036) is a combined structure of two steel rings and a plurality of graphite rings clamped between the two steel rings, is arranged at the lower end of the connecting pressing cap (037), and is used for respectively fixing a first pressure-resistant pipeline (4) and a second pressure-resistant pipeline (8) which sequentially penetrate through the sealing gasket component (036) and the connecting pressing cap (037).
CN201920346304.1U 2019-03-19 2019-03-19 bag type hot-pressing simulation reaction kettle Active CN209735569U (en)

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