Combined device for gas-phase chemical reaction

Abstract

The invention belongs to the technical field of chemical reaction experimental apparatus preparation, and particularly relates to a combined device for gas-phase chemical reaction. Comprising a plurality of two-way bottom plate modules, a plurality of three-way bottom plate modules, a plurality of switching pipeline modules, a plurality of electromagnetic valve switching modules, a plurality of pressure sensor switching modules, a plurality of mass flow meter switching modules and a plurality of universal air outlet modules which can be mutually combined and connected, the two-way bottom plate module, the three-way bottom plate modules, the switching pipeline modules, the electromagnetic valve switching modules, the pressure sensor switching modules and the mass flow meter switching modules are all cuboid blocks, the universal air outlet module is a cuboid block, and one rectangular side face of the cuboid block extends out towards the two ends in the length direction of the cuboid block. And fixing holes are respectively formed in the extending parts on the two sides. The device is high in disassembly speed, convenient to assemble, low in manufacturing cost and stable in the using process.

Description

Technical Field

[0001] The invention belongs to the technical field of chemical reaction experimental instrument preparation, and in particular relates to a combined device for gas phase chemical reaction. Background Art

[0002] In chemical experiments, when gaseous chemical reactants react, they are transported to the reactor through pipelines, and then enter the next reaction process after the reaction in the reaction device. This method requires multiple reaction equipment, reaction instruments and pipelines to be connected to each other, which is cumbersome to operate. At present, there is a Chinese invention patent "Modular Gas-Phase Catalytic Reaction and Characterization Device", and its publication number is CN114778754 A. The patent discloses a modular gas-phase catalytic reaction and characterization device, which is characterized by comprising: a gas distribution module, the gas distribution module is used to prepare the gas components required for the catalytic reaction; a reaction module, the reaction module is used to place the catalyst and control the catalyst bed temperature so that the gas contacts the catalyst for reaction; a detection module, the detection module is used to detect the gas components after the catalytic reaction; a plurality of gas path connection blocks, the gas path connection blocks are provided with an air inlet and an air outlet, the air inlet of the gas path connection block and the air outlet of the gas path connection block are in the gas path The connection block is internally connected, and the air inlet of the air circuit connection block and the air outlet of the air circuit connection block are arranged on the same end surface of the air circuit connection block; the air inlet of the air distribution module is used to communicate with the air supply equipment, and the air outlet of the air distribution module is docked and connected with the air inlet of the first air circuit connection block, and the air outlet of the air circuit connection block is docked and connected with the air inlet of the reaction module; the air outlet of the reaction module is docked and connected with the air inlet of the second air circuit connection block, and the air outlet of the air circuit connection block is docked and connected with the air inlet of the detection module. Although this patent reduces the use of pipelines during the connection process, the characterization device of this patent connects its multiple modules through a base plate, and the multiple modules must be fixed on the base plate, which makes the operation complicated. In addition, the gas mixing block in this patent merges multiple gas paths into a reaction block, and the number of air holes on the mixing block needs to be changed according to the number of branches of the reaction gas. If the number of gas branches required in the reaction process increases, it is necessary to replace it with a new type of mixing block that can adapt to the number of gas branches, and the original gas path needs to be disassembled and reassembled, which will cause the reaction equipment to be unstable. In addition, this patent is difficult to produce and can only be assembled by professionals, and has poor applicability. Therefore, the prior art needs further improvement. Summary of the invention

[0003] The object of the present invention is to provide a combined device for gas phase chemical reaction which has the advantages of fast disassembly speed, convenient assembly, low manufacturing cost and stable equipment during use.

[0004] Based on the above purpose, the present invention adopts the following technical solutions: A combined device for gas-phase chemical reactions comprises a plurality of two-way base plate modules, a plurality of three-way base plate modules, a plurality of transfer pipe modules, a plurality of solenoid valve transfer modules, a plurality of pressure sensor transfer modules, a plurality of mass flow meter transfer modules, and a plurality of universal air outlet modules which can be combined and connected with each other. The two-way base plate modules, the plurality of three-way base plate modules, the plurality of transfer pipe modules, the plurality of solenoid valve transfer modules, the plurality of pressure sensor transfer modules, and the plurality of mass flow meter transfer modules are all rectangular blocks, and the universal air outlet module is a rectangular block, and a largest rectangular side surface of the rectangular block extends toward both ends along its length direction, and fixing holes are respectively provided on the extending portions on both sides.

[0005] Furthermore, the two-way bottom plate module includes a plurality of fixing holes and a first gas passage, the first gas passage is connected through the first air hole and the second air hole, and the first air hole and the second air hole are located in the same plane.

[0006] Furthermore, the three-way base plate module includes a plurality of fixing holes and a first three-way gas passage, and the first three-way gas passage is connected through the third air hole, the fourth air hole and the fifth air hole.

[0007] Furthermore, the transfer pipe module includes a plurality of fixing holes and a second gas passage, the second gas passage is connected through the sixth gas hole and the seventh gas hole, and the sixth gas hole and the seventh gas hole are located on opposite planes.

[0008] Furthermore, the solenoid valve adapter module includes a plurality of fixed holes, a third gas passage and a fourth gas passage, the third gas passage is connected to the ninth gas hole through the eighth gas hole, and the fourth gas passage is connected to the eleventh gas hole through the tenth gas hole.

[0009] Furthermore, the pressure sensor module includes a second three-way gas passage, which is connected through the twelfth hole, the thirteenth hole and the fourteenth hole. The twelfth hole, the thirteenth hole and the fourteenth hole are located on opposite planes, and the thirteenth hole and the fourteenth hole are located in the same plane.

[0010] Furthermore, the mass flow meter adapter block includes a plurality of fixing holes and a fifth gas passage, the fifth gas passage is connected to the sixteenth gas hole through the fifteenth gas hole, and the fifteenth gas hole is connected to the mass flow meter.

[0011] Furthermore, the universal air outlet module includes a plurality of fixed holes, a seventeenth air hole and an eighteenth air hole, and the seventeenth air hole and the eighteenth air hole are connected and located in the same plane.

[0012] The present invention designs the gas distribution system in a modular manner, which is easy to process and produce, and is assembled in a building block manner. Ordinary non-professionals can complete it. It is easy to install and has high stability. In addition, the modular design of the present invention sets a three-way base plate module for use with a universal gas outlet module. Two adjacent gas distribution branches can be connected in parallel. The gas distribution branch line is the reaction gas passage. For each additional gas passage, only one universal gas outlet module and a three-way base plate module need to be added. There is no need to disassemble the original gas circuit, thereby ensuring the stable operation of the equipment. At the same time, the type of module is fixed, which is convenient for installation and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of a two-way base plate module; Figure 2 is a position relationship diagram of the fifth fixing hole and the sixth fixing hole in the two-way bottom plate module; Figure 3 It is a structural schematic diagram of a three-way base plate module; Figure 4 is a position relationship diagram of the eleventh fixing hole and the twelfth fixing hole in the three-way bottom plate module; Figure 5 It is a structural schematic diagram of a three-way gas passage on a three-way bottom plate module; Figure 6 It is a structural diagram of the transfer pipeline module; Figure 7 is a positional relationship diagram of the thirteenth fixing hole and the fourteenth fixing hole in the transfer pipe module; Figure 8 It is a structural diagram of the solenoid valve adapter module; Fig. 9 A positional relationship diagram of the nineteenth fixing hole and the twentieth fixing hole in the solenoid valve adapter module; Fig.10 It is a pressure sensor adapter module; Fig.11 A diagram showing the position relationship between the eighth air hole and the ninth air hole in the pressure sensor adapter module; Fig.12 It is a structural schematic diagram of the mass flow meter adapter module; Fig.13 is a positional relationship diagram of the twenty-ninth fixing hole and the thirtieth fixing hole in the mass flow meter adapter module; Fig.14 It is a structural schematic diagram of a universal air outlet module; Fig.15 The position relationship diagram of the thirty-first fixing hole and the thirty-second fixing hole Fig.16 This is an example diagram of a multi-module combination in Embodiment 1 of the present invention; Fig.17This is a diagram showing an example of connecting a mass flow meter to a mass flow meter adapter module; Fig.18 for Fig.17 Connection diagram between the two-way base plate module and the three-way base plate module. DETAILED DESCRIPTION Example

[0014] like Figure 1-18 A combined device for gas phase chemical reaction shown in the figure includes several two-way bottom plate modules 1, several three-way bottom plate modules 2, several transfer pipeline modules 3, several solenoid valve transfer modules 4, several pressure sensor transfer modules 5, several mass flow meter transfer modules 6, and several universal gas outlet modules 7 that can be combined and connected with each other. The two-way bottom plate module 1, several three-way bottom plate modules 2, several transfer pipeline modules 3, several solenoid valve transfer modules 4, several pressure sensor transfer modules 5, and several mass flow meter transfer modules 6 are all rectangular blocks. The universal gas outlet module 7 is a rectangular block and a rectangular side of the rectangular block extends toward both ends along its length direction, and the protruding parts on both sides are respectively provided with fixing holes. The two-way bottom plate module 1 includes several fixing holes and a first gas passage, and the first gas passage is connected through the first air hole 101 and the second air hole 102, and the first air hole 101 and the second air hole 102 are located in the same plane. The fixing holes of the two-way bottom plate module 1 are respectively located at the four corners and the middle of the largest rectangular surface of the two-way bottom plate module 1, which are the first fixing hole 103, the second fixing hole 104, the third fixing hole 105, the fourth fixing hole 106, the fifth fixing hole 107 and the sixth fixing hole 108. The upper ends of the first fixing hole 103, the second fixing hole 104, the third fixing hole 105, the fourth fixing hole 106, the fifth fixing hole 107 and the sixth fixing hole 108 are located on the same plane as the upper ends of the first air hole 101 and the second air hole 102. The lower ends of the first air hole 101 and the second air hole 102 are connected to form a first gas passage. The first fixing hole 103, the second fixing hole 104, the third fixing hole, and the fourth fixing hole 106 are located at the four corners of the two-way bottom plate module 1, and the fifth fixing hole 107 and the sixth fixing hole 108 are located in the middle of the two-way bottom plate module 1.

[0015] The three-way bottom plate module 2 includes several fixed holes and a first three-way gas passage, which is connected through the third air hole 201, the fourth air hole 202 and the fifth air hole 203; the upper ends of the third air hole 201, the fourth air hole 202 and the fifth air hole 203 are distributed in a triangular shape on the largest rectangular surface of the three-way bottom plate module 2, and the third air hole 201 and the fourth air hole 202 are located at the positions of two adjacent rectangular corners of the rectangular surface. The reaction gas can enter from any hole of the third air hole 201, the fourth air hole 202 and the fifth air hole 203 and come out from the other two holes, or enter from any two holes of the third air hole 201, the fourth air hole 202 and the fifth air hole 203 and come out from the other hole. The three-way bottom plate module 2 There are six fixing holes, namely the seventh fixing hole 204, the eighth fixing hole 205, the ninth fixing hole 206, the tenth fixing hole 207, the eleventh fixing hole 208, and the twelfth fixing hole 209. The ninth fixing hole 206, the tenth fixing hole 207, the eleventh fixing hole 208, and the twelfth fixing hole 209 penetrate the three-way bottom plate module 2 and the upper ends are located in the same plane as the upper ends of the third air hole 201, the fourth air hole 202, and the fifth air hole 203. The lower ends of the third air hole 201, the fourth air hole 202, and the fifth air hole 203 are connected to form a three-way gas passage. The upper ends of the seventh fixing hole 204 and the eighth fixing hole 205 are located in the same plane as the upper end of the fifth air hole 203, and the lower ends of the seventh fixing hole 204 and the eighth fixing hole 205 are closed.

[0016] The transfer pipe module 3 includes a plurality of fixing holes and a second gas passage, which is connected to form a second gas passage through the sixth gas hole 301 and the seventh gas hole 302, and the sixth gas hole 301 and the seventh gas hole 302 are located on opposite planes of the transfer pipe module 3. The transfer pipe module 3 has two fixing holes, namely the thirteenth fixing hole 303 and the fourteenth fixing hole 304, which penetrate the transfer pipe module 3 from top to bottom and are located at both ends of the length direction of the transfer pipe module 3, and the sixth gas hole 301 and the seventh gas hole 302 are located between the thirteenth fixing hole 303 and the fourteenth fixing hole 304.

[0017] The solenoid valve adapter module 4 includes several fixing holes, a third gas passage and a fourth gas passage. The third gas passage is connected to the ninth gas hole 402 through the eighth gas hole 401, and the fourth gas passage is connected to the eleventh gas hole 404 through the tenth gas hole 403. The solenoid valve adapter module 4 has six fixing holes, namely the fifteenth fixing hole 405, the sixteenth fixing hole 406, the seventeenth fixing hole 407, the eighteenth fixing hole 408, the nineteenth fixing hole 409, and the twentieth fixing hole 410. Figure 8The fifteenth fixing hole 405, the sixteenth fixing hole 406, the seventeenth fixing hole 407, the eighteenth fixing hole 408, the nineteenth fixing hole 409, and the twentieth fixing hole 410 penetrate the solenoid valve adapter module 4 from top to bottom. The upper ends of the fifteenth fixing hole 405, the sixteenth fixing hole 406, the seventeenth fixing hole 407, the eighteenth fixing hole 408, the nineteenth fixing hole 409, and the twentieth fixing hole 410 are located in the largest rectangular plane with the eighth air hole 401 and the tenth air hole 403. The lower ends of the sixteenth fixing hole 406, the seventeenth fixing hole 407, the eighteenth fixing hole 408, the nineteenth fixing hole 409 and the twentieth fixing hole 410 and the lower ends of the ninth air hole 402 and the eleventh air hole 404 are located on the largest rectangular plane, the fifteenth fixing hole 405, the sixteenth fixing hole 406, the seventeenth fixing hole 407 and the eighteenth fixing hole 408 are located at the four corners of the largest rectangular plane, and the nineteenth fixing hole 409 and the twentieth fixing hole 410 are respectively located on both sides of the eighth air hole 401 and the tenth air hole 403.

[0018] The pressure sensor module 5 includes a second three-way gas passage and several fixing holes, the second three-way gas passage is connected through the twelfth air hole 501, the thirteenth air hole 502 and the fourteenth air hole 503, the twelfth air hole 501 and the thirteenth air hole 502 and the fourteenth air hole 503 are located on opposite planes, the thirteenth air hole 502 and the fourteenth air hole 503 are located in the same plane, the twelfth air hole 501 is provided with a pressure sensor mounting structure 504, and the pressure sensor module 5 has four fixing holes, namely the twenty-first fixing hole 505, the twenty-second fixing hole 506, the twenty-third fixing hole 507 and the second The fourteenth fixing hole 508, the twenty-first fixing hole 505, the twenty-second fixing hole 506, the twenty-third fixing hole 507 and the twenty-fourth fixing hole 508 pass through the pressure sensor module 5 and are located at the four corners of the pressure sensor module 5, the twelfth air hole 501 and the upper ends of the twenty-first fixing hole 505, the twenty-second fixing hole 506, the twenty-third fixing hole 507 and the twenty-fourth fixing hole 508 are in the same plane, and the lower ends of the twenty-first fixing hole 505, the twenty-second fixing hole 506, the twenty-third fixing hole 507 and the twenty-fourth fixing hole 508 are in the same plane with the thirteenth air hole 502 and the fourteenth air hole 503.

[0019] The mass flow meter adapter module 6 includes several fixing holes and a fifth gas passage, the fifth gas passage is connected to the device through the fifteenth gas hole 605 and the sixteenth gas hole 606, and the fifteenth gas hole 605 is connected to the mass flow meter. Fig.12As shown, the mass flow meter adapter module has six fixing holes, namely, the twenty-fifth fixing hole 601, the twenty-sixth fixing hole 602, the twenty-seventh fixing hole 603, and the twenty-eighth fixing hole 604, wherein the twenty-fifth fixing hole 601, the twenty-sixth fixing hole 602, the twenty-seventh fixing hole 603, and the twenty-eighth fixing hole 604 penetrate the mass flow meter adapter module 6 from top to bottom, and the upper ends of the twenty-fifth fixing hole 601, the twenty-sixth fixing hole 602, the twenty-seventh fixing hole 603, and the upper end of the fifteenth air hole 605 are located on a largest rectangular plane, and the twenty-ninth fixing hole 607 and the thirtieth fixing hole 608 are provided on the adjacent side surfaces of the rectangular plane where the twenty-fifth fixing hole 601, the twenty-sixth fixing hole 602, the twenty-seventh fixing hole 603, and the twenty-eighth fixing hole 604 are located, and the twenty-ninth fixing hole 607 and the thirtieth fixing hole 608 penetrate the flow meter adapter module 6 in the transverse direction of the flow meter adapter module 6, and the sixteenth air hole 606 is located between the twenty-ninth fixing hole 607 and the thirtieth fixing hole 608. The fifteenth air hole 605 is provided with a mounting structure connected to the mass flow meter.

[0020] The universal air outlet module 7 includes several fixed holes, the seventeenth air hole 701 and the eighteenth air hole 702. The seventeenth air hole 701 and the eighteenth air hole 702 are connected and located in the same plane. The universal air outlet module 7 has two fixed holes, namely the thirty-first fixed hole 703 and the thirty-second fixed hole 704. The seventeenth air hole 701 and the eighteenth air hole 702 are located between the thirty-first fixed hole 703 and the thirty-second fixed hole 704.

[0021] When in use, the two-way base plate module 1, the three-way base plate modules 2, the transfer pipe modules 3, the solenoid valve transfer modules 4, the pressure sensor transfer modules 5, the mass flow meter transfer modules 6, and the universal gas outlet modules 7 can be connected in combination through a plurality of fixed holes so that the gas holes on the two-way base plate module 1, the three-way base plate modules 2, the transfer pipe modules 3, the solenoid valve transfer modules 4, the pressure sensor transfer modules 5, the mass flow meter transfer modules 6, and the universal gas outlet modules 7 are aligned with each other to form a closed gas passage. The universal air outlet modules 7 travel in the gas passage formed by the combination of each other, wherein the eighth air hole 401 or the ninth air hole 402 in the solenoid valve adapter module 4 can be connected to and not limited to the air inlet of the solenoid valve, the tenth air hole 403 or the eleventh air hole 404 can be connected to and not limited to the air outlet of the solenoid valve, the nineteenth fixed hole 409 and the twentieth fixed hole 410 can be fixedly connected to the solenoid valve, wherein the twelfth air hole 501 can be connected to and not limited to the pressure measuring hole of the pressure sensor 8, and the fifteenth air hole 605 can be connected to and not limited to the mass flow meter 9. Fig.16An example of a two-way base plate module 1, multiple three-way base plate modules 2, multiple adapter pipe modules 3, multiple solenoid valve adapter modules 4, multiple pressure sensor adapter modules 5, multiple mass flow meter adapter modules 6, and multiple universal air outlet modules 7 are combined with each other. Figure 17-18 Example, the adapter pipeline module 3 is connected to the air inlet adapter interface 10, the solenoid valve 11 is connected to the solenoid valve adapter module 4, the mass flowmeter 9 is connected to the mass flowmeter adapter module 6, the two-way base plate module 1, multiple three-way base plate modules 2, multiple adapter pipeline modules 3, multiple solenoid valve adapter modules 4, multiple pressure sensor adapter modules 5, multiple mass flowmeter adapter modules 6, multiple universal air outlet modules 7 and the like are combined with each other.

[0022] When the fixing holes in the present invention are connected to each other, the air holes of the two connection modules can be connected, and the size of the modules can be suitably adjusted according to the use requirements. The module adjustment and the size of the air hole positions can be suitably adjusted according to the use requirements.

Claims

1. A combined device for gas phase chemical reaction, characterized in that: It includes several two-way base plate modules, several three-way base plate modules, several adapter pipeline modules, several solenoid valve adapter modules, several pressure sensor adapter modules, several mass flow meter adapter modules, and several universal air outlet modules that can be combined and connected with each other. The two-way base plate modules, several three-way base plate modules, several adapter pipeline modules, several solenoid valve adapter modules, several pressure sensor adapter modules, and several mass flow meter adapter modules are all rectangular blocks. The universal air outlet module is a rectangular block and a rectangular side surface of the rectangular block extends toward both ends along its length direction, and fixing holes are respectively provided on the protruding parts on both sides.

2. The combined device for gas phase chemical reaction according to claim 1, characterized in that: The two-way bottom plate module includes a plurality of fixing holes and a first gas passage, wherein the first gas passage is connected through a first air hole and a second air hole, and the first air hole and the second air hole are located in the same plane.

3. The combined device for gas phase chemical reaction according to claim 1, characterized in that: The three-way base plate module includes a plurality of fixing holes and a first three-way gas passage, and the first three-way gas passage is connected through a third air hole, a fourth air hole and a fifth air hole.

4. The combined device for gas phase chemical reaction according to claim 1, characterized in that: The transfer pipe module includes a plurality of fixing holes and a second gas passage, the second gas passage is connected through the sixth gas hole and the seventh gas hole, and the sixth gas hole and the seventh gas hole are located on opposite planes.

5. The combined device for gas phase chemical reaction according to claim 1, characterized in that: The solenoid valve adapter module includes a plurality of fixed holes, a third gas passage and a fourth gas passage. The third gas passage is connected to the ninth gas hole through the eighth gas hole, and the fourth gas passage is connected to the eleventh gas hole through the tenth gas hole.

6. The combined device for gas phase chemical reaction according to claim 1, characterized in that: The pressure sensor module includes a second three-way gas passage, which is connected through a twelfth air hole, a thirteenth air hole and a fourteenth air hole. The twelfth air hole, the thirteenth air hole and the fourteenth air hole are located on opposite planes, and the thirteenth air hole and the fourteenth air hole are located in the same plane.

7. The combined device for gas phase chemical reaction according to claim 1, characterized in that: The mass flow meter adapter block comprises a plurality of fixing holes and a fifth gas passage, the fifth gas passage is connected to the sixteenth gas hole through the fifteenth gas hole, and the fifteenth gas hole is connected to the mass flow meter.

8. The combined device for gas phase chemical reaction according to claim 1, characterized in that: The universal air outlet module comprises a plurality of fixed holes, a seventeenth air hole and an eighteenth air hole, and the seventeenth air hole and the eighteenth air hole are connected and located in the same plane.

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