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CN119140029B - Microchannel reactor for producing phosphorus trifluoride - Google Patents

Microchannel reactor for producing phosphorus trifluoride Download PDF

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Publication number
CN119140029B
CN119140029B CN202411601375.3A CN202411601375A CN119140029B CN 119140029 B CN119140029 B CN 119140029B CN 202411601375 A CN202411601375 A CN 202411601375A CN 119140029 B CN119140029 B CN 119140029B
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reaction
heat exchange
fixed substrate
reaction cavity
cavities
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CN119140029A (en
Inventor
华辉
刘文通
陈志宏
向明利
覃群群
余根玮
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Fujian Deer Technology Corp
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Fujian Deer Technology Corp
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0093Microreactors, e.g. miniaturised or microfabricated reactors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0006Controlling or regulating processes
    • B01J19/002Avoiding undesirable reactions or side-effects, e.g. avoiding explosions, or improving the yield by suppressing side-reactions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00245Avoiding undesirable reactions or side-effects
    • B01J2219/00256Leakage
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00781Aspects relating to microreactors
    • B01J2219/00851Additional features
    • B01J2219/00867Microreactors placed in series, on the same or on different supports
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00781Aspects relating to microreactors
    • B01J2219/00873Heat exchange
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00781Aspects relating to microreactors
    • B01J2219/00889Mixing
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/141Feedstock

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

The invention discloses a microchannel reactor for producing phosphorus trifluoride, which comprises a plurality of reaction modules fixedly arranged on a fixed support side by side, wherein each reaction module comprises a plurality of rows of first reaction cavities, a plurality of second reaction cavities, a feeding mechanism and a discharging mechanism, the first reaction cavities are integrally formed and outwards arranged on the side surface of a corresponding fixed substrate, the second reaction cavities are integrally formed and outwards arranged on the other side surface of the fixed substrate, a material guide hole for conducting the first reaction cavities and the second reaction cavities is formed in the fixed substrate, the feeding mechanism comprises a material inlet hole arranged on the fixed substrate, the discharging mechanism comprises a material outlet hole arranged on the fixed substrate, reactants enter through the material inlet holes, the mixed materials alternately pass through the first reaction cavities and the second reaction cavities one by one in sequence for replacement reaction, and the reacted products are discharged along the material outlet hole. The invention can effectively and practically solve the hidden trouble of leakage in the reaction process, and can ensure that the invention has enough heat exchange effect.

Description

Microchannel reactor for producing phosphorus trifluoride
Technical Field
The invention relates to reaction equipment for producing phosphorus trifluoride, in particular to a microchannel reactor for producing phosphorus trifluoride, which can realize continuous reaction processing of phosphorus trifluoride.
Background
The phosphorus trifluoride can be used as a fluorinating agent, can be used for ion transfer and applied to the fields of electronic industry, battery manufacturing, high polymer materials, catalysts and the like, and in the aspect of semiconductor manufacturing, literature reports that the phosphorus trifluoride is changed into plasma gas to be doped under the action of microwaves so as to remarkably improve the performance of semiconductors, and in the field of high polymer materials, literature reports that the phosphorus trifluoride can be used as a reactant to synthesize high polymer materials with good corrosion resistance such as fluorinated organic dithiophosphate, terephthalate and the like, and has good economic benefit.
At present, the production method of phosphorus trifluoride is limited, wherein phosphorus trichloride and anhydrous hydrogen fluoride are used as raw materials for substitution reaction, so that phosphorus trifluoride and hydrogen chloride can be produced, and the chemical reaction equation is PCI 3+3HF- & gt3HCI+PF 3. Since the reaction rate of the substitution is very fast and the reaction heat is very strong, it is difficult to efficiently maintain the reaction temperature at 40 to 60 ℃, resulting in only batch reaction. In the production process, firstly, phosphorus trichloride is transferred into a reaction kettle, and then anhydrous hydrogen fluoride is slowly and intermittently introduced into the bottom of the reaction kettle to react, so that the whole reaction process is low in efficiency, and the quality of an obtained product is difficult to stably maintain. The continuity of the replacement reaction can be realized through the intervention of the microchannel reactor, so that the production efficiency is improved and the quality of the product is kept stable. However, most of the reaction channels of the existing microchannel reactors are directly arranged on the surface of the reactor substrate, and then the reaction channels are sealed and closed by other fixing plates, so that corresponding sealing gaskets are further arranged between the reactor substrate and the corresponding fixing plates in a clamping manner to ensure the sealing effect. Although the arrangement of the sealing gasket can improve the tightness of the reactor to a certain extent, the joint seam always exists, so that the hidden danger of leakage exists. Once leakage occurs in the reaction process, serious production accidents can be caused, and the heat exchange performance of the existing microchannel reactor is relatively difficult to break through, so that the reaction temperature of the continuous reaction is difficult to be effectively maintained in a reasonable range. Thus, existing microchannel reactors have not been temporarily available for continuous reactive processing of phosphorus trifluoride.
Therefore, the design of the microchannel reactor for producing phosphorus trifluoride can effectively and practically solve the hidden trouble of leakage in the reaction process, and can ensure the heat exchange effect so as to effectively maintain the reaction temperature of continuous reaction within a reasonable range.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a microchannel reactor for producing phosphorus trifluoride, which can effectively solve the technical problems in the prior art.
The technical scheme of the invention is as follows:
The utility model provides a microchannel reactor is used in phosphorus trifluoride production, includes the fixed bolster and side by side fixed mounting in a plurality of reaction module on the fixed bolster, reaction module includes:
the first reaction chambers are integrally formed and outwards arranged on the side surfaces of the corresponding fixed substrates, the first reaction chambers in the same row are respectively arranged at intervals, and two adjacent rows of first reaction chambers are respectively arranged in a staggered manner;
the second reaction cavities are arranged on the other side surface of the fixed substrate in an outward protruding mode, the second reaction cavities are respectively arranged between two sides of two adjacent first reaction cavities of the same row of first reaction cavities in an inclined mode, and between the last first reaction cavity and the first reaction cavity of the two adjacent rows of first reaction cavities, and a material guide hole for conducting the first reaction cavities and the second reaction cavities is formed in the fixed substrate;
the feeding mechanism comprises a feeding hole arranged on the fixed substrate, the feeding end of the feeding hole is outwards connected with a corresponding three-way feeding pipe, and the discharging end of the feeding hole is connected to one end of a first reaction cavity of a first row, which is not connected to the second reaction cavity;
The discharging mechanism comprises a discharging hole arranged on the fixed substrate, a corresponding discharging pipe is externally connected to the discharging end of the discharging hole, the feeding end of the discharging hole is connected to one end of the last first reaction cavity of the last row, which is not connected to the second reaction cavity, reactants enter through the three-way feeding pipe, the mixed materials alternately pass through the first reaction cavity and the second reaction cavity one by one in sequence for replacement reaction, and the reacted products are discharged along the discharging pipe.
The first reaction cavity and the fixed substrate are arranged in parallel, and the second reaction cavity and the fixed substrate are arranged in a vertical state.
The first reaction cavity is oval-shaped, and one side of the feeding end of the first reaction cavity is integrally formed with a stop block with a triangular section.
The top of second reaction chamber is the arcuation setting, the both sides of second reaction chamber are provided with respectively and communicate to the linking hole of guide hole.
The first reaction cavity and the second reaction cavity are integrally formed on the fixed substrate in a D printing mode respectively.
The microchannel reactor further comprises a heat exchange mechanism, wherein the heat exchange mechanism comprises an isolation cover cap, the isolation cover cap is arranged on two sides of the fixed substrate, one end of the isolation cover cap is respectively connected with a plurality of corresponding heat exchange medium discharging pipes, the other end of the isolation cover cap is respectively connected with a plurality of corresponding heat exchange medium output pipes, the heat exchange medium discharging pipes are connected to an external heat exchange medium source through corresponding heat exchange medium inlet manifolds and heat exchange medium pumping pumps, and the heat exchange medium output pipes are discharged through corresponding heat exchange medium output manifolds.
The isolation cover cap and the fixed substrate are respectively locked and installed through a plurality of corresponding locking bolts.
And corresponding sealing gaskets are respectively clamped at the joint positions of the isolation cover cap and the fixed substrate.
The feeding ends of the three-way feeding pipes of the feeding mechanism are respectively connected to the corresponding reactant feeding pipes in parallel.
The discharging pipe of the discharging mechanism is connected to the corresponding output pipe of the product in parallel.
The invention has the advantages that:
1) According to the invention, a plurality of rows of first reaction cavities and a plurality of second reaction cavities are integrally formed and are outwards arranged on the side surface of the fixed substrate in an integrated processing mode (3D printing), and the first reaction cavities and the second reaction cavities are communicated one by one through the intervention of the material guide holes. In the reaction process, reactants (phosphorus trichloride and anhydrous hydrogen fluoride) respectively enter through the three-way feeding pipe, the mixed materials alternately pass through the first reaction cavity and the second reaction cavity one by one in sequence for substitution reaction, and the reacted products are discharged along the discharge pipe. The invention has enough reaction mixing areas, and no joint seam exists between the first reaction cavity, the second reaction cavity and the fixed substrate, so that the hidden danger of leakage in the reaction process can be effectively and practically solved, the invention can be smoothly applied to the reaction processing of phosphorus trifluoride, and the continuous reaction processing of phosphorus trifluoride is realized on the premise of ensuring the safety.
2) The first reaction cavity and the fixed substrate are arranged in parallel, and the second reaction cavity and the fixed substrate are arranged in a vertical state, so that materials can form longitudinal surface mixing when entering the first reaction cavity, and form inclined transverse surface mixing when entering the second reaction cavity, and the longitudinal surface mixing and the inclined transverse surface mixing are alternately carried out, thereby effectively ensuring the mixing effect of the materials and ensuring the smooth proceeding of the phosphorus trifluoride reaction processing.
3) According to the invention, the first reaction cavity is arranged in an elliptical shape, and the stop blocks with triangular sections are integrally formed on one side of the feeding end of the first reaction cavity, so that the materials flowing through the first reaction cavity can form reasonable turbulence and vortex, the mixing effect of the materials is further effectively ensured, and the smooth continuous reaction processing of phosphorus trifluoride is further ensured.
4) The top of the second reaction cavity is arranged in an arc shape, and the two sides of the second reaction cavity are respectively provided with the connecting holes communicated with the material guide holes, so that the smoothness of material circulation can be ensured, and under the guidance of the arc-shaped top, the material can form certain turbulence and vortex so as to further effectively ensure the mixing effect of the material, and further ensure the smooth proceeding of the phosphorus trifluoride reaction processing.
5) The heat exchange mechanism comprises an isolation cover cap, wherein the isolation cover cap is arranged on two sides of a fixed substrate, one end of the isolation cover cap is respectively connected with a plurality of corresponding heat exchange medium discharging pipes, and the other end of the isolation cover cap is respectively connected with a plurality of corresponding heat exchange medium outputting pipes. Because the first reaction cavity and the plurality of second reaction cavities are regularly and convexly arranged, the heat exchange medium is circulated in a multi-point transverse input and discharge mode, so that the heat exchange medium can be effectively contacted with the reaction area more quickly and fully, a better heat exchange effect is achieved, the reaction temperature of the continuous reaction is effectively maintained in a reasonable range, and the method can be further and smoothly applied to the reaction processing of phosphorus trifluoride, and the continuous reaction processing of the phosphorus trifluoride is realized.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the structure of the present invention with the fixing bracket removed.
FIG. 3 is a schematic structural view of a reaction module.
FIG. 4 is a schematic diagram of another side structure of the reaction module.
FIG. 5 is a schematic diagram showing the connection between the first reaction chamber and the second reaction chamber of the reaction module.
FIG. 6 is a cross-sectional view of the first reaction chamber.
FIG. 7 is a cross-sectional view of a second reaction chamber.
In the drawing, a fixed support 1, a reaction module 2, a first reaction chamber 201, a fixed substrate 202, a second reaction chamber 203, a connecting hole 2031, a feeding mechanism 204, a feeding hole 2041, a three-way feeding pipe 2042, a discharging mechanism 205, a discharging hole 2051, a discharging pipe 2052, a guiding hole 3, a stop block 4, a heat exchange mechanism 5, an isolation cover 501, a heat exchange medium discharge pipe 502, a heat exchange medium output pipe 503, a heat exchange medium inlet manifold 504, a heat exchange medium pumping pump 505, a heat exchange medium output manifold 506, a locking bolt 6, a reactant feeding pipe 7 and a product output pipe 8 are shown in the figure.
Detailed Description
For the convenience of understanding by those skilled in the art, the structure of the present invention will now be described in further detail with reference to the accompanying drawings:
Referring to fig. 1 to 7, a microchannel reactor for producing phosphorus trifluoride comprises a fixed support 1 and a plurality of reaction modules 2 fixedly mounted on the fixed support 1 side by side, wherein the reaction modules 2 comprise:
The first reaction chambers 201 of the same row are arranged at intervals respectively, and two adjacent rows of first reaction chambers 201 are arranged alternately respectively;
The second reaction chambers 203 are integrally formed and externally arranged on the other side surface of the fixed substrate 202, the second reaction chambers 203 are respectively arranged between two sides of two adjacent first reaction chambers 201 of the same row of first reaction chambers 201 and between the last first reaction chamber 201 and the first reaction chamber 201 of the two adjacent rows of first reaction chambers 201 in an inclined manner, and the fixed substrate 202 is provided with a material guide hole 3 for conducting the first reaction chambers 201 and the second reaction chambers 203;
A feeding mechanism 204, comprising a feeding hole 2041 disposed on the fixed substrate 202, wherein a feeding end of the feeding hole 2041 is outwardly connected with a corresponding three-way feeding pipe 2042, and a discharging end of the feeding hole 2041 is connected to one end of the first reaction chamber 201 of the first row, which is not connected to the second reaction chamber 203;
The discharging mechanism 205 comprises a discharging hole 2051 arranged on the fixed substrate 202, a corresponding discharging pipe 2052 is externally connected to the discharging end of the discharging hole 2051, the feeding end of the discharging hole 2051 is connected to one end of the last first reaction cavity 201 of the last row, which is not connected to the second reaction cavity 203, reactants enter through the three-way feeding pipe 2042, the mixed materials alternately pass through the first reaction cavity 201 and the second reaction cavity 203 one by one in sequence for replacement reaction, and the products after reaction are discharged along the discharging pipe 2052.
The invention integrates the first reaction cavities 201 and the second reaction cavities 203 in a plurality of rows into a whole, is externally arranged on the side surface of the fixed substrate 202 in an integrated processing mode, and realizes the one-by-one communication arrangement of the first reaction cavities 201 and the second reaction cavities 203 through the intervention of the material guide holes 3. In the reaction process, reactants (phosphorus trichloride and anhydrous hydrogen fluoride) respectively enter through the three-way feeding pipe 2042, the mixed materials alternately pass through the first reaction cavity 201 and the second reaction cavity 203 one by one in sequence for replacement reaction, and the reacted products are discharged along the discharge pipe 2052. The invention has enough reaction mixing areas, and no joint seam exists between the first reaction cavity 201, the second reaction cavity 203 and the fixed substrate 202, so that the hidden danger of leakage in the reaction process can be effectively and practically solved, and the invention can be smoothly applied to the reaction processing of phosphorus trifluoride, so that the continuous reaction processing of phosphorus trifluoride is realized on the premise of ensuring the safety.
The first reaction chamber 201 is disposed parallel to the fixed substrate 202, and the second reaction chamber 203 is disposed perpendicular to the fixed substrate 202. The materials can form longitudinal surface mixing when entering the first reaction cavity 201, and form inclined transverse surface mixing when entering the second reaction cavity 203, and the longitudinal surface mixing and the inclined transverse surface mixing are alternately carried out, so that the mixing effect of the materials is effectively ensured, and the smooth proceeding of the phosphorus trifluoride reaction processing is ensured.
The first reaction chamber 201 is arranged in an elliptical shape, and one side of the feeding end of the first reaction chamber 201 is integrally formed with a stop block 4 with a triangular cross section. Under the action of the stop block 4, the materials flowing through the first reaction cavity 201 can form reasonable turbulent flow and vortex flow, so that the mixing effect of the materials is further effectively ensured, and the smooth proceeding of the phosphorus trifluoride reaction processing is further ensured.
The top of the second reaction chamber 203 is arc-shaped, and two sides of the second reaction chamber 203 are respectively provided with a connection hole 2031 communicated with the material guiding hole 3. Therefore, the circulation smoothness of the materials can be ensured, and the materials can form certain turbulence and vortex under the guidance of the arc-shaped top, so that the mixing effect of the materials is further effectively ensured, and the smooth proceeding of the phosphorus trifluoride reaction processing is further ensured.
The first reaction chamber 201 and the second reaction chamber 203 are integrally formed on the fixed substrate 202 by a 3D printing method.
The microchannel reactor further comprises a heat exchange mechanism 5, the heat exchange mechanism 5 comprises a separation cover 501 with sealing covers arranged on two sides of the fixed substrate 202, one end of the separation cover 501 is respectively connected with a plurality of corresponding heat exchange medium discharge pipes 502, the other end of the separation cover 501 is respectively connected with a plurality of corresponding heat exchange medium output pipes 503, the heat exchange medium discharge pipes 502 are connected to an external heat exchange medium source through corresponding heat exchange medium inlet manifolds 504 and heat exchange medium pumping pumps 505, and the heat exchange medium output pipes 503 are discharged through corresponding heat exchange medium output manifolds 506. Because the first reaction cavity 201 and the plurality of second reaction cavities 202 are regularly and convexly arranged, the heat exchange medium is circulated in a multi-point transverse input and discharge mode, so that the heat exchange medium can be effectively contacted with a reaction area more quickly and fully, a better heat exchange effect is achieved, the reaction temperature of continuous reaction is effectively maintained in a reasonable range, and the invention can be further and smoothly applied to the reaction processing of phosphorus trifluoride, so that the continuous reaction processing of the phosphorus trifluoride is realized.
The isolation cover 501 and the fixed base plate 202 are respectively locked and installed through a plurality of corresponding locking bolts 6. The junction between the isolation cover 501 and the fixed substrate 202 is respectively clamped with a corresponding sealing gasket.
The three-way feed pipe 2042 of the feed mechanism 204 is connected at its feed end in parallel to the corresponding reactant feed pipe 7. The discharge tube 2052 of the discharge means 205 is connected in parallel to the corresponding product outlet tube 8.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.

Claims (5)

1. The utility model provides a microchannel reactor is used in phosphorus trifluoride production, includes fixed bolster (1), and side by side fixed mounting in a plurality of reaction module (2) on fixed bolster (1), its characterized in that, reaction module (2) include:
the plurality of rows of first reaction cavities (201) are integrally formed and outwards arranged on the side surfaces of the corresponding fixed substrates (202), the first reaction cavities (201) in the same row are respectively arranged at intervals, and two adjacent rows of first reaction cavities (201) are respectively arranged in a staggered manner;
The second reaction cavities (203) are integrally formed and outwards arranged on the other side face of the fixed substrate (202), the second reaction cavities (203) are obliquely arranged between two sides of two adjacent first reaction cavities (201) of the same row of first reaction cavities (201) and between the last first reaction cavity (201) and the first reaction cavity (201) of the two adjacent rows of first reaction cavities (201), and a material guide hole (3) for conducting the first reaction cavities (201) and the second reaction cavities (203) is formed in the fixed substrate (202);
The feeding mechanism (204) comprises a feeding hole (2041) arranged on the fixed substrate (202), a corresponding three-way feeding pipe (2042) is outwards connected to the feeding end of the feeding hole (2041), and the discharging end of the feeding hole (2041) is connected to one end of a first reaction cavity (201) of a first row, which is not connected to the second reaction cavity (203);
The discharging mechanism (205) comprises a discharging hole (2051) arranged on the fixed substrate (202), a corresponding discharging pipe (2052) is externally connected to the discharging end of the discharging hole (2051), the feeding end of the discharging hole (2051) is connected to one end of the last first reaction cavity (201) of the last row, which is not connected to the second reaction cavity (203), reactants enter through the three-way feeding pipe (2042), the mixed materials alternately pass through the first reaction cavity (201) and the second reaction cavity (203) one by one in sequence for replacement reaction, and the products after the reaction are discharged along the discharging pipe (2052);
the first reaction cavity (201) is arranged in parallel with the fixed substrate (202), and the second reaction cavity (203) is arranged in perpendicular with the fixed substrate (202);
The first reaction cavity (201) is arranged in an elliptical shape, and one side of the feeding end of the first reaction cavity (201) is integrally formed with a stop block (4) with a triangular section;
the top of the second reaction cavity (203) is arranged in an arc shape, and two sides of the second reaction cavity (203) are respectively provided with a connecting hole (2031) communicated with the material guide hole (3);
The first reaction cavity (201) and the second reaction cavity (203) are integrally formed and arranged on the fixed substrate (202) in a 3D printing mode respectively;
The microchannel reactor further comprises a heat exchange mechanism (5), wherein the heat exchange mechanism (5) comprises isolation covers (501) with sealing covers arranged on two sides of the fixed substrate (202), one ends of the isolation covers (501) are respectively connected with a plurality of corresponding heat exchange medium discharging pipes (502), the other ends of the isolation covers (501) are respectively connected with a plurality of corresponding heat exchange medium discharging pipes (503), the heat exchange medium discharging pipes (502) are connected to an external heat exchange medium source through corresponding heat exchange medium inlet manifolds (504) and heat exchange medium pumping pumps (505), and the heat exchange medium discharging pipes (503) are discharged through corresponding heat exchange medium outlet manifolds (506).
2. The microchannel reactor for phosphorus trifluoride production according to claim 1, wherein the isolation cover (501) and the fixed base plate (202) are respectively mounted by locking through a plurality of corresponding locking bolts (6).
3. The microchannel reactor for phosphorus trifluoride production according to claim 2, wherein the joint of the isolation cover cap (501) and the fixed substrate (202) is respectively clamped with a corresponding sealing gasket.
4. A microchannel reactor for phosphorus trifluoride production according to claim 1, characterized in that the feed ends of the three-way feed pipes (2042) of the feed mechanism (204) are each connected in parallel to a respective reactant feed pipe (7).
5. A microchannel reactor for phosphorus trifluoride production according to claim 4, characterized in that the discharge tube (2052) of the discharge means (205) is connected in parallel to the corresponding product outlet tube (8).
CN202411601375.3A 2024-11-11 2024-11-11 Microchannel reactor for producing phosphorus trifluoride Active CN119140029B (en)

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CN202411601375.3A CN119140029B (en) 2024-11-11 2024-11-11 Microchannel reactor for producing phosphorus trifluoride

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CN119140029B true CN119140029B (en) 2025-02-18

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US9421507B2 (en) * 2012-04-30 2016-08-23 Oregon State University Micro-channels, micro-mixers and micro-reactors
CN205527732U (en) * 2016-02-02 2016-08-31 浙江大学 Area surface porousization dimpling platform array structure catalyst support's little reformer of hydrogen manufacturing
CN214076700U (en) * 2020-12-08 2021-08-31 佛山科学技术学院 Carrier of porous micro-channel
US12247220B2 (en) * 2021-09-07 2025-03-11 The Regents Of The University Of California 3D printed micro-millifluidic bioreactors for long-term retinal organoid maintenance
CN117138715B (en) * 2023-11-01 2024-02-13 福建德尔科技股份有限公司 Microchannel reactor for synthesizing electronic grade chlorine trifluoride

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111437782A (en) * 2020-05-09 2020-07-24 杭州沈氏节能科技股份有限公司 A micro-reaction channel, reaction substrate and micro-channel reactor

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