CN110013811A - Minisize light-catalyzed reaction device under high-temperature and high-pressure conditions - Google Patents
Minisize light-catalyzed reaction device under high-temperature and high-pressure conditions Download PDFInfo
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- CN110013811A CN110013811A CN201910117073.1A CN201910117073A CN110013811A CN 110013811 A CN110013811 A CN 110013811A CN 201910117073 A CN201910117073 A CN 201910117073A CN 110013811 A CN110013811 A CN 110013811A
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- 238000006555 catalytic reaction Methods 0.000 title abstract 5
- 238000006243 chemical reaction Methods 0.000 claims abstract description 85
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 210000004907 gland Anatomy 0.000 claims abstract description 21
- 238000007599 discharging Methods 0.000 claims abstract description 12
- 238000003466 welding Methods 0.000 claims abstract description 7
- 238000013032 photocatalytic reaction Methods 0.000 claims description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229910002804 graphite Inorganic materials 0.000 claims description 7
- 239000010439 graphite Substances 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 230000001699 photocatalysis Effects 0.000 claims description 4
- 238000007146 photocatalysis Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 5
- 239000000376 reactant Substances 0.000 abstract description 3
- 238000012800 visualization Methods 0.000 abstract description 3
- 208000003164 Diplopia Diseases 0.000 abstract 1
- 208000029444 double vision Diseases 0.000 abstract 1
- 239000000463 material Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000009529 body temperature measurement Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 238000009530 blood pressure measurement Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0093—Microreactors, e.g. miniaturised or microfabricated reactors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/12—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/004—Sight-glasses therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/04—Pressure vessels, e.g. autoclaves
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention discloses the minisize light-catalyzed reaction device under high-temperature and high-pressure conditions, including charging interface, discharging interface, thermometric interface, attachment interface device, thermometric interface is connect by welding with reaction cavity main body from body side in 45 ° of degree angles；Viewing device including washer, gland, quartz glass and window cover and the embedded heating chamber for being evenly distributed on reaction cavity main body quadrangle.Under the premise of optimizing reaction main chamber structure, using embedded heating, thermal losses is improved to the greatest extent；It has been multiplied glazed area using the structure of the split aperture of double vision window, and external image capturing system is cooperated to use the visualization, it can be achieved that light-catalyzed reaction.Apparatus of the present invention use and open up place of the microchannel as light-catalyzed reaction in main body, with small in size, reasonable in design, practicability is good, it is particularly suitable for that amounts of reactants is small, the light-catalyzed reaction system of high temperature (maximum temperature is up to 400 DEG C) high pressure (maximum pressure is up to 30MPa).
Description
Technical Field
The invention relates to the field of photocatalytic reaction equipment, in particular to a micro photocatalytic reaction device under the condition of high temperature and high pressure.
Background
The photocatalytic technology is more and more widely applied to the fields of environment and energy, and a light source is required to irradiate the inner cavity of the reaction device through a light-transmitting material in the reaction process, however, the photocatalytic reaction often requires a high-temperature and high-pressure environment, so that the requirements on equipment capable of providing a photocatalytic reaction environment are severe.
The light-transmitting material of the device is generally quartz glass with higher strength, and because the glass material is not as good as the pressure resistance of stainless steel material, the operation temperature of the conventional high-temperature high-pressure reaction device in the current market is generally not more than 300 ℃, and the pressure is not more than 20 MPa. The volume of the existing photocatalytic reaction device is mostly not less than 10mL, firstly, because the photocatalytic reaction needs to realize the operations of feeding, discharging, temperature measurement, pressure measurement and the like, the connecting accessories of the device are various, and moreover, if the volume of the device is reduced, when the device is heated, the heat exchange area is reduced, the total heat exchange amount is not enough, and the temperature is difficult to reach the temperature required by the photocatalytic reaction.
Disclosure of Invention
In view of the above problems, the present invention is directed to provide a micro photocatalytic reaction device under high temperature and high pressure conditions, which reduces the volume of the container and increases the operation pressure (30 MPa) and the operation temperature (400 ℃) while ensuring that the device can perform operations such as feeding, discharging, temperature measurement, pressure measurement, and the like.
In view of the above object, the technical idea adopted by the present invention is: designing a micro photocatalytic reaction device under a high-temperature and high-pressure environment, which comprises a main body, wherein the center of the main body is provided with a reaction cavity of about 0.4 mL; the temperature measuring device comprises a feeding interface, a discharging interface, a temperature measuring interface and an accessory interface device, wherein the feeding interface and the discharging interface are connected with a reaction cavity main body in a welding manner, go deep into the main body and are communicated with the reaction cavity. The temperature measuring interface is connected with the reaction cavity main body by welding from the side part of the main body at an angle of 45 degrees; comprises a gasket, a gland, quartz glass, a window device of a window cover and embedded heating cavities which are uniformly distributed at four corners of a reaction cavity main body. On the premise of optimizing the structure of the reaction main cavity, embedded heating is adopted, so that the heat loss is improved to the greatest extent; the structure of adopting two windows to run from opposite directions the trompil has multiplied the printing opacity area, and cooperates external image acquisition system to use, can realize the visual of photocatalysis reaction. The device adopts the micro-channel arranged in the main body as the place for photocatalytic reaction, has small volume, reasonable structural design and good practicability, and is particularly suitable for a photocatalytic reaction system with small reactant amount, high temperature (the highest temperature can reach 400 ℃) and high pressure (the highest pressure can reach 30 MPa).
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the micro photocatalytic reaction device under the high-temperature and high-pressure condition comprises a reaction cavity main body, and also comprises an accessory interface device, a window device and a heating device; wherein,
a main reaction cavity is processed in the reaction cavity main body, the main reaction cavity is communicated with the accessory interface device, and a temperature measuring interface which is close to the main reaction cavity but is not communicated with the main reaction cavity is also arranged on the side surface of the reaction cavity main body;
the accessory interface device comprises a feeding interface and a discharging interface, and the feeding interface and the discharging interface are both communicated with the main reaction cavity;
window openings are symmetrically formed in the two side faces of the reaction cavity main body inwards, the two window openings are communicated with the main reaction cavity, the window device is arranged in the window openings and sequentially comprises a window cover, a gland and quartz glass from outside to inside, the quartz glass is arranged in the gland, and the window cover is in threaded connection with the gland;
the heating device comprises at least one embedded heating cavity, and each embedded heating cavity is vertically arranged in the reaction cavity main body.
Preferably, the window openings on the two sides are respectively provided with a conical thread, and the window cover is in threaded connection with the conical threads.
Preferably, the temperature measuring interface forms an angle of 45 degrees from the side part of the reaction cavity main body and is connected with the reaction cavity main body in a welding mode.
Preferably, the feeding interface is welded with the reaction cavity body through a stainless steel pipe matched with a clamping sleeve.
Preferably, the quartz glass is arranged at the junction of the window opening and the main reaction cavity through a gasket.
Preferably, one end of the gland is also provided with a step, and the step is matched and connected with the quartz glass.
Preferably, the window opening comprises a large square opening and a small square opening, the quartz glass is arranged in the small square opening, and the window cover is arranged in the large square opening.
Preferably, the diameter of the embedded heating cavity is 8.2mm, and the inward recess depth is 55 mm.
The invention has the beneficial effects that: compared with the prior art, the invention has the improvement that,
(1) compared with the traditional photocatalytic reaction device, the device has less reagent dosage requirements on operators, and is particularly suitable for tests requiring expensive reagents; (2) the embedded heating mode can reduce the heat loss to the maximum extent on the premise of ensuring that the volume of the device is as small as possible; (3) the light transmission area is multiplied by the double windows with the side faces being opened, and the visualization of the photocatalytic reaction can be realized by matching with an external image acquisition system.
The micro high-temperature high-pressure photocatalytic reaction device has the advantages of small volume, reasonable structural design and good practicability, and is particularly suitable for a photocatalytic reaction system with small reactant amount and strict requirements on environmental temperature and pressure.
Drawings
FIG. 1 is a schematic view of the working process of the present invention.
Fig. 2 is a front view of the structure of the present invention.
FIG. 3 is a cross-sectional view of a structural design of the present invention.
FIG. 4 is a left side view in half section of the inventive structure.
FIG. 5 is a schematic view of a window device according to the present invention.
In the figure: 1. the device comprises a reaction cavity main body, 2, a window cover, 3, quartz glass, 4, a gland, 41-steps, 5, a graphite gasket, 6, an embedded heating cavity, 7, a discharging interface, 8, a feeding interface, 9, a temperature measuring interface, 10 and a main reaction cavity.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following further describes the technical solution of the present invention with reference to the drawings and the embodiments.
Examples
Referring to fig. 1-5, the micro photocatalytic reaction device under high temperature and high pressure conditions comprises a reaction chamber body 1 having an inner reaction chamber, wherein the reaction chamber body 1 is a square body; the device also comprises an accessory interface device, a window device and a heating device; wherein,
a main reaction cavity 10 is processed in the reaction cavity main body 1, the main reaction cavity 10 is communicated with the accessory interface device, and a temperature measuring interface 9 which is close to the main reaction cavity 10 but is not communicated with the main reaction cavity 10 is also arranged on the side surface of the reaction cavity main body 1; the main reaction chamber 10 is arranged at the center of the reaction chamber main body 1, is a cavity (with the volume of about 0.4 mL) with the diameter of 6mm and the length of 15mm, and provides a main reaction field for a photocatalytic experiment;
the accessory interface device comprises a feeding interface 8 and a discharging interface 7, and the feeding interface 8 and the discharging interface 7 are both communicated with the main reaction cavity 10; the feeding interface 8 is also externally connected with a high-pressure pump device;
window openings are symmetrically formed in the two side faces of the reaction cavity main body 1 inwards, the two window openings are communicated with the main reaction cavity 10, the window device is arranged in the window openings and sequentially comprises a window cover 2, a gland 4, quartz glass 3 and a graphite gasket 5 from outside to inside, the quartz glass 3 is arranged in the gland 4, and the window cover 2 is in threaded connection with the gland 4;
the window opening comprises a large square opening and a small square opening, the quartz glass 3 is arranged in the small square opening, and the window cover 2 is arranged in the large square opening.
Conical threads are arranged at the window openings on the two sides, and the window cover 2 is in threaded connection with the conical threads to compress the gland 4; the temperature measuring interface 9 forms an angle of 45 degrees from the side part of the reaction cavity main body 1 and is connected with the reaction cavity main body 1 in a welding mode.
The temperature measuring interface 9 is inserted deeply into the reaction cavity by about 33mm and is away from the reaction cavity by a certain distance, and the temperature measuring interface 9 is arranged at the center of the edge of the square reaction cavity main body 1 and is welded with the reaction cavity main body 1;
in addition, the internal pressure of the device is read by an external high-pressure pump.
The feeding interface 8 is welded with the reaction cavity body 1 through a clamping sleeve matched with a stainless steel pipe;
the stainless steel pipe internal diameter is 3mm, and wherein 3mm stainless steel pipe one end is connected external high-pressure pump device, and the other end gos deep into reaction chamber main part 1 inside, with main reaction chamber 10 intercommunication.
The quartz glass 3 is arranged at the junction of the window opening and the main reaction chamber 10 through a gasket 5, and the quartz glass 3 is fixed in the main body and sealed through a graphite gasket 5.
The dimensions of the graphite gasket 5 are: the outer diameter is 11mm, the inner diameter is 7mm, and the processing material is graphite material;
the graphite gasket 5 is matched with quartz glass 3 with the outer diameter of 14mm and the thickness of 11 mm;
one end of the gland 4 is also provided with a step 41, and the step 41 is matched and connected with the quartz glass 3. The size of the gland 4 is 16mm in external diameter, 1mm in wall thickness, the size of the central opening of the window cover 2 is 12mm, and one end of the gland is processed into 3' 1/2NPT taper thread to be connected with the thread of the reaction chamber main body 1. The window openings on both sides form a double-window split open hole form.
The heating device comprises four embedded heating cavities 6, and each embedded heating cavity 6 is vertically arranged in the reaction cavity main body 1; the diameter of embedded heating cavity 6 is 8.2mm, and the inward recess depth is 55 mm. The embedded heating cavity 6 is provided with four counter bores which are uniformly distributed at four corners of the reaction cavity main body 1.
The working principle of the invention is as follows:
external 4 heating rods go deep into four heating intracavity of device respectively and provide high temperature environment for the device, external temperature sensor connects temperature measurement interface 9 with the detection device temperature, external high-pressure pump connection feeding interface 8 is beaten the sample that awaits measuring into main reaction chamber 10, and read reaction chamber internal pressure value through external high-pressure pump, the light of external light source sees through quartz glass 3 and jets into and participate in the photocatalytic reaction in main reaction chamber 10, the reaction product passes through ejection of compact interface 7 and connects external condensing system and collect detection system and gather, supply the operator to do further aftertreatment work. Preferably, an operator can also cooperate with an external image acquisition system to record the reaction process in the reaction cavity main body 1, so that the visualization of the photocatalytic reaction is realized.
Referring to fig. 2, the apparatus employs an embedded heating cavity, and the embedded heating cavity is uniformly distributed at four diagonal positions of the main body apparatus, thereby effectively reducing heat radiation loss during the heating process and ensuring the heating efficiency to the maximum.
Referring to fig. 3, the device adopts a mode of symmetrically arranging light transmission windows on two sides, compared with the traditional single-window reaction device, the device not only exponentially increases the light transmission area, but also enables an operator to arrange an image acquisition system outside the window on the side of the non-light source, and more intuitively observes the reaction progress. In structural design, the step 41 arranged at the gland 4 of the device plays a role in limiting in matching with the quartz glass 3, and relative displacement of the quartz glass is avoided. The gland 4 can not only limit the movement of the quartz glass 3, but also compress the quartz glass 3 and the gasket 5 at the same time of pre-tightening the threads, thereby achieving the sealing effect. Wherein, the screw pre-tightening force of the window cover 2 acts on the gland 4, but not directly acts on the quartz glass 3, thereby playing a good role in buffering and protecting the quartz glass 3.
The window cover 2 and the reaction cavity body 1 are connected through the taper threads, and the sealing effect is effectively achieved.
The gasket 5 in the device is made of graphite, so that the quartz glass 3 can be effectively protected.
Referring to fig. 4, the temperature measuring interface 9 of the device is inserted into the main body of the device at an angle of 45 degrees, so that the space of the device is maximally utilized on the premise of ensuring basic operation requirements of sample introduction, sampling, light transmission, temperature measurement and the like of the device and minimizing the volume of the device. The temperature measuring device is characterized in that a certain distance is reserved in the reaction main cavity, and the temperature of the reaction cavity is measured as accurately as possible on the premise of not influencing the reaction main cavity.
After welding processing, the device detects the sealing performance of the device through an airtight test after installation is finished, detects the pressure resistance of the device through a hydraulic test, and then can perform a test after water replaces materials to perform test operation.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. Miniature photocatalysis reaction unit under high temperature high pressure condition, including reaction chamber main part, its characterized in that: the device also comprises an accessory interface device, a window device and a heating device; wherein,
a main reaction cavity is processed in the reaction cavity main body, the main reaction cavity is communicated with the accessory interface device, and a temperature measuring interface which is close to the main reaction cavity but is not communicated with the main reaction cavity is also arranged on the side surface of the reaction cavity main body;
the accessory interface device comprises a feeding interface and a discharging interface, and the feeding interface and the discharging interface are both communicated with the main reaction cavity;
window openings are symmetrically formed in the two side faces of the reaction cavity main body inwards, the two window openings are communicated with the main reaction cavity, the window device is arranged in the window openings and sequentially comprises a window cover, a gland and quartz glass from outside to inside, the quartz glass is arranged in the gland, and the window cover is in threaded connection with the gland;
the heating device comprises at least one embedded heating cavity, and each embedded heating cavity is vertically arranged in the reaction cavity main body.
2. The micro photocatalytic reaction device under high temperature and high pressure conditions according to claim 1, characterized in that: both sides the window opening part all is equipped with awl screw thread, window lid with awl threaded connection.
3. The micro photocatalytic reaction device under high temperature and high pressure conditions according to claim 1, characterized in that: the temperature measuring interface is at an angle of 45 degrees from the side part of the reaction cavity main body and is connected with the reaction cavity main body in a welding mode.
4. The micro photocatalytic reaction device under high temperature and high pressure conditions according to claim 3, characterized in that: the feeding interface is welded with the reaction cavity body through a clamping sleeve matched with a stainless steel pipe.
5. The micro photocatalytic reaction device under high temperature and high pressure conditions according to claim 1, characterized in that: the quartz glass is arranged at the junction of the window opening and the main reaction cavity through a graphite gasket.
6. The micro photocatalytic reaction device under high temperature and high pressure conditions according to claim 1, characterized in that: and one end of the gland is also provided with a step which is matched and connected with the quartz glass through the step.
7. The micro photocatalytic reaction device under high temperature and high pressure conditions according to claim 6, characterized in that: the window opening comprises a large square opening and a small square opening, the quartz glass is arranged in the small square opening, and the window cover is arranged in the large square opening.
8. The micro photocatalytic reaction apparatus under high temperature and high pressure conditions according to any one of claims 1 to 7, wherein: the diameter of embedded heating chamber is 8.2mm, and the inside sunken degree of depth is 55 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910117073.1A CN110013811A (en) | 2019-02-15 | 2019-02-15 | Minisize light-catalyzed reaction device under high-temperature and high-pressure conditions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910117073.1A CN110013811A (en) | 2019-02-15 | 2019-02-15 | Minisize light-catalyzed reaction device under high-temperature and high-pressure conditions |
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| Publication Number | Publication Date |
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| CN110013811A true CN110013811A (en) | 2019-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910117073.1A Pending CN110013811A (en) | 2019-02-15 | 2019-02-15 | Minisize light-catalyzed reaction device under high-temperature and high-pressure conditions |
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| CN (1) | CN110013811A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110801788A (en) * | 2019-11-27 | 2020-02-18 | 北京昆仑永泰科技有限公司 | High-temperature high-pressure fixed bed reactor |
| CN112213354A (en) * | 2020-10-23 | 2021-01-12 | 大连理工大学 | Visual supercritical carbon dioxide flow heat transfer experimental device |
| CN112403392A (en) * | 2020-12-17 | 2021-02-26 | 吉林大学 | High-temperature high-pressure reaction kettle for in-situ optical measurement of large-capacity liquid environment |
| CN112403393A (en) * | 2020-12-17 | 2021-02-26 | 吉林大学 | High-temperature and high-pressure resistant in-situ optical observation reaction kettle shell |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110801788A (en) * | 2019-11-27 | 2020-02-18 | 北京昆仑永泰科技有限公司 | High-temperature high-pressure fixed bed reactor |
| CN112213354A (en) * | 2020-10-23 | 2021-01-12 | 大连理工大学 | Visual supercritical carbon dioxide flow heat transfer experimental device |
| CN112403392A (en) * | 2020-12-17 | 2021-02-26 | 吉林大学 | High-temperature high-pressure reaction kettle for in-situ optical measurement of large-capacity liquid environment |
| CN112403393A (en) * | 2020-12-17 | 2021-02-26 | 吉林大学 | High-temperature and high-pressure resistant in-situ optical observation reaction kettle shell |
| CN112403392B (en) * | 2020-12-17 | 2021-10-08 | 吉林大学 | High-temperature high-pressure reaction kettle for in-situ optical measurement of large-capacity liquid environment |
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Inventor after: Jiang Qingfeng Inventor after: Song Xiao Inventor before: Jiang Qingfeng |
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Application publication date: 20190716 |