Chemical reaction teaching and research machine

Abstract

The utility model discloses a chemical reaction teaching and research machine, which belongs to the technical field of chemical reaction equipment and comprises a feeding module, a reaction module, a camera module and a display module. The reaction module comprises a micro-channel reactor, and the micro-channel reactor is formed by processing a transparent material; a camera of the camera shooting module is arranged on one side of the micro-channel reactor and is used for shooting a fluid channel in the micro-channel reactor, and the fluid channel is displayed through the display module. The camera module, the display module and the micro-channel reactor made of the transparent material are combined, so that the reaction process in the micro-channel reactor can be visually observed, and an image of the reaction process is shot and recorded through the camera module; the camera module can be used for shooting and amplifying, so that the fluid change can be clearly seen; the device has great use and popularization values for research, use, science popularization teaching and chemical reaction teaching and research machines of the current micro-channel.

Description

TECHNICAL FIELD

[0001] The utility model relates to chemical reaction equipment technical field, concretely relates to a chemical reaction teaching and research machine. BACKGROUND

[0002] Microchannel reactor as an advanced reaction equipment, has had many application scenes in scientific research, experiment, industrial application, and the research to microchannel itself, and application experiment research also have carried out, the existing microchannel reactor is based on production, experiment and designs, and cannot satisfy the need of teaching, research. UTILITY MODEL CONTENT

[0003] For the problems existing in the prior art, the utility model provides a chemical reaction teaching and research machine, is specially applied to teaching, can visually and clearly observe the reaction.

[0004] In order to realize the above-mentioned purpose, the utility model adopts the technical scheme as follows:

[0005] The utility model provides a chemical reaction teaching and research machine, including feeding module and reaction module, still including camera module and display module, the reaction module includes a piece of microchannel reactor, the piece microchannel reactor is processed with transparent material, the camera of camera module is set up in one side of microchannel reactor, and the fluid passage in microchannel reactor is photographed, and is shown through display module.

[0006] In the above-mentioned chemical reaction teaching and research machine, the camera module can adjust position relative to the microchannel reactor,

[0007] And / or, still including test box, the test box is set up observation window at corresponding position with feeding module, reaction module,

[0008] And / or, the material of microchannel reactor is glass.

[0009] In the above-mentioned chemical reaction teaching and research machine, the microchannel reactor is equipped with heat exchange flow channel, and the inlet and outlet of heat exchange flow channel are respectively connected with heat exchange medium conveying pipeline and heat exchange medium backflow pipeline,

[0010] First temperature detection element is arranged on heat exchange medium conveying pipeline,

[0011] Heat exchange medium backflow pipeline is equipped with second temperature detection element and first flow detection element.

[0012] In the above-mentioned chemical reaction teaching and research machine, the microchannel reactor is provided with two material inlets and one material outlet,

[0013] Material outlet is connected with discharge pipeline,

[0014] The feeding module comprises a first feeding pipe and a second feeding pipe, and the first feeding pipe and the second feeding pipe are communicated with two material inlets of the micro-channel reactor respectively.

[0015] In the chemical reaction teaching machine, a third temperature detecting element, a first pressure detecting element and a back pressure valve are sequentially arranged on the feeding pipe along the fluid flow direction.

[0016] In the chemical reaction teaching machine, a first feeding container is communicated with the first feeding pipe, and a first feeding pump, a second pressure detecting element, a first check valve and a fourth temperature detecting element are sequentially arranged on the first feeding pipe along the fluid flow direction.

[0017] The first feeding pump is a plunger flat flow pump, and the first feeding container is provided with a first weighing device.

[0018] In the chemical reaction teaching machine, a second check valve and a fifth temperature detecting element are arranged on the second feeding pipe, and the output end of the second feeding pipe is communicated with the micro-channel reactor, the input end of the second feeding pipe is communicated with a liquid branch pipe and a gas branch pipe, and the liquid branch pipe and the gas branch pipe are arranged in parallel.

[0019] In the chemical reaction teaching machine, a second feeding container is communicated with the liquid branch pipe, and a second feeding pump and a third pressure detecting element are arranged on the liquid branch pipe.

[0020] The second feeding pump is a plunger flat flow pump, and the second feeding container is provided with a second weighing device.

[0021] In the chemical reaction teaching machine, a third check valve is arranged on the gas branch pipe, and the output end of the gas branch pipe is communicated with the second feeding pipe, and the input end of the gas branch pipe is communicated with a gas feeding pipe and a purge gas conveying pipe arranged in parallel.

[0022] The gas feeding pipe is provided with a second flow detecting element.

[0023] In the chemical reaction teaching machine, a relief pipe is communicated with the first feeding pipe, and a pressure relief element is arranged on the relief pipe.

[0024] The beneficial effects of the utility model lie in that:

[0025] The chemical reaction teaching machine combines a micro-channel reactor which is processed by a camera module, a display module and transparent material, can not only directly observe the reaction process in the micro-channel reactor, and record the image of the reaction process through the camera module, but also can clearly see the change of fluid by using the camera module for shooting and amplification.

[0026] For the current micro-channel research, use, popular science teaching, chemical reaction teaching and research machine has great use and popularization value, can make relevant personnel in their own field efficient realization of related theory research, scientific research, principle learning, popularization and extension;

[0027] Through the reasonable integration of the machine, the basic research on the micro-channel itself, the theoretical and technical research based on the micro-channel and some experimental reaction research can be realized by one machine, which can also be used as a teaching equipment to provide operation based on the above-mentioned teaching purposes, and can save manpower and material resources. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is a whole structure schematic view of the chemical reaction teaching and research machine.

[0029] Figure 2 It is a pipeline communication structure schematic view of the chemical reaction teaching and research machine.

[0030] Figure 3 It is a pipeline structure schematic view of the reaction module in the chemical reaction teaching and research machine.

[0031] Figure 4 It is a structure schematic view of the first feeding pipeline in the chemical reaction teaching and research machine.

[0032] Figure 5 It is a structure schematic view of the second feeding pipeline in the chemical reaction teaching and research machine.

[0033] In the drawing:

[0034] 100 - feeding module; 110 - first feeding pipeline; 111 - first feeding container; 112 - first weighing device; 113 - first feeding pump; 114 - second pressure detection element; 115 - first check valve; 116 - blowdown pipeline; 117 - fourth temperature detection element; 118 - pressure relief element;

[0035] 120 - second feeding pipeline; 121 - second feeding container; 122 - second weighing device; 123 - second feeding pump; 124 - third pressure detection element; 125 - second check valve; 126 - fifth temperature detection element; 127 - purge gas delivery pipeline; 128 - gas feeding pipeline; 129 - tee joint; 130 - third check valve; 131 - second flow detection element; 132 - gas branch pipeline; 133 - liquid branch pipeline;

[0036] 200 - reaction module; 201 - micro-channel reactor; 202 - heat exchange medium conveying pipeline; 203 - heat exchange medium return pipeline; 204 - discharge pipeline; 205 - first temperature detection element; 206 - second temperature detection element; 207 - third temperature detection element; 208 - first pressure detection element; 209 - back pressure valve; 210 - first flow detection element; 211 - collection container;

[0037] 300 - display module; 400 - camera module; 500 - first box body; 600 - second box body; 700 - base. DETAILED DESCRIPTION

[0038] For the convenience of those skilled in the art to understand, the utility model will be further described below with reference to the drawings.

[0039] Please refer to Figure 1 , Figure 2 and Figure 3 , one embodiment of a chemical reaction teaching and research machine provided by the utility model, including feeding module 100, reaction module 200, display module 300 and camera module 400;Wherein, the feeding module 100 transports reaction material to reaction module 200, and two or more reaction materials participating in chemical reaction are mixed and reacted in reaction module 200.Reaction module 200 includes a piece of micro-channel reactor 201, the piece of micro-channel reactor 201 is processed by transparent material, for example, the material of micro-channel reactor 201 can be glass, and the fluid channel in it can be observed directly, which is convenient for teaching display.

[0040] The camera of camera module 400 is arranged at one side of micro-channel reactor 201, and the fluid channel in micro-channel reactor 201 is photographed, and the mass transfer (mixing) state of liquid-liquid, gas-liquid in the fluid channel can be observed;The camera generally has zoom function, can enlarge or reduce the field of view of the camera, and for different flow rates, different proportions, different phase states, camera module 400 can be enlarged, and the change of fluid can be clearly seen.A piece of micro-channel reactor 201 processed by transparent material is combined with camera module 400, which can avoid the problem of affecting observation effect caused by stacking multiple micro-channel reactors 201, and camera module 400 can accurately photograph the reaction process in micro-channel reactor 201.

[0041] Preferably, the camera module 400 can be adjusted within the reaction module 200 to facilitate observation of the state at various locations within the microchannel reactor 201. The camera module 400 is existing technology, and its position adjustment method is also existing technology, such as camera rotation or translation via a mechanical drive structure. The mechanical drive structure can employ a lead screw and lead screw nut, connecting the camera to the lead screw nut, and rotating the lead screw to drive the camera's translation, thus achieving camera position adjustment. The structure for achieving camera position adjustment is existing technology or a conventional technique; this application does not innovate or improve upon it, and will not be elaborated upon here.

[0042] The display screen of the display module 300 can display parameters such as temperature, pressure, and flow rate at various locations, as well as photos and videos captured by the camera of the camera module 400. The camera module 400 is prior art, and the hardware connection and signal transmission between the camera module 400 and the display module 300 are also prior art; no improvements have been made in this application.

[0043] The feeding module 100, reaction module 200, display module 300, and camera module 400 can be integrated into a single test chamber. Visual observation is possible through a transparent glass viewing window, ensuring safety and convenience. For example, such as... Figure 1 As shown, the test chamber includes a first chamber 500, a second chamber 600, and a base 700. The first chamber 500 and the second chamber 600 are arranged side by side and fixedly mounted on the base 700. The feeding module 100 is located in the first chamber 500, and the reaction module 200, the display module 300, and the camera module 400 are located in the second chamber 600. Transparent observation windows are specifically provided at the corresponding positions of the first chamber 500 and the feeding module 100, and at the corresponding positions of the second chamber 600 and the reaction module 200, to facilitate observation of the feeding situation and reaction process.

[0044] The microchannel reactor 201 is equipped with a heat exchange channel. The inlet and outlet of the heat exchange channel are connected to a heat exchange medium delivery pipe 202 and a heat exchange medium return pipe 203, respectively. Controlling the delivery of the heat exchange medium can control the temperature inside the microchannel reactor 201. The heat exchange medium delivery pipe 202 is equipped with a first temperature detection element 205, and the heat exchange medium return pipe 203 is equipped with a second temperature detection element 206 and a first flow detection element 210. The first temperature detection element 205 and the second temperature detection element 206 respectively detect the temperature of the heat exchange medium entering the microchannel reactor 201 and the temperature of the heat exchange medium returning to the reactor. The first flow detection element 210 can be a flow meter to measure the flow rate of the heat exchange medium, thereby providing a precise and controllable reaction temperature for the chemical reaction inside the microchannel reactor 201.

[0045] The micro-channel reactor 201 is provided with two material inlets and one material outlet. The material outlet is connected with a discharge pipeline 204, and the discharge pipeline 204 is sequentially provided with a third temperature detecting element 207, a first pressure detecting element 208, a back pressure valve 209 and a collection container 211 along the fluid flow direction. The first pressure detecting element 208 and the back pressure valve 209 can adjust the back pressure of the micro-channel reactor 201, and realize the experimental exploration function with pressure.

[0046] The feeding module 100 includes a first feeding pipeline 110 and a second feeding pipeline 120, and the first feeding pipeline 110 and the second feeding pipeline 120 are connected with the two material inlets of the micro-channel reactor 201 respectively.

[0047] As shown in the figure, Figure 4 The first feeding pipeline 110 is connected with the first feeding container 111 and the micro-channel reactor 201, and the first feeding pipeline 110 is sequentially provided with a first feeding pump 113, a second pressure detecting element 114, a first one-way valve 115 and a fourth temperature detecting element 117 along the fluid flow direction. Further, the first feeding pipeline 110 is connected with a discharge pipeline 116, and the connection position of the discharge pipeline 116 with the first feeding pipeline 110 is located on the downstream side of the first one-way valve 115, preferably between the first one-way valve 115 and the fourth temperature detecting element 117. The discharge pipeline 116 is provided with a pressure relief element 118, such as a pressure relief valve, which further improves the safety of the teaching and research machine.

[0048] As shown in the figure, Figure 5 The second feeding pipeline 120 is provided with a second one-way valve 125 and a fifth temperature detecting element 126. The output end of the second feeding pipeline 120 is connected with the material inlet of the micro-channel reactor 201, and the input end is connected with a liquid branch pipeline 133 and a gas branch pipeline 132, and the liquid branch pipeline 133 and the gas branch pipeline 132 are connected in parallel.

[0049] The input end of the liquid branch pipeline 133 is connected with the second feeding container 121, and the liquid branch pipeline 133 is provided with a second feeding pump 123 and a third pressure detecting element 124.

[0050] The first feed pump 113 and the second feed pump 123 are high-precision plunger flat pumps, the first feed container 111 is provided with a first weighing device 112, the second feed container 121 is provided with a second weighing device 122, the first weighing device 112 and the second weighing device 122 can respectively weigh and correct the feed amount of the first feed container 111 and the second feed container 121, thereby accurately metering the feeding, ensuring accurate proportioning of the feeding in the whole experiment, and ensuring the accuracy and mutual correction of all feedings. The second pressure detection element 114 and the third pressure detection element 124 collect accurate pressure, and when the teaching and research machine is used, different flow rates can be set, or different viscosity and different physical properties of materials can be conveyed, and the pressure data is changed to perform related research work on the pressure drop of the related fluid channel; at the same time, the pressure setting of the second pressure detection element 114 is linked with the first feed pump 113, and the pressure setting of the third pressure detection element 124 is linked with the second feed pump 123, when the second pressure detection element 114 and the third pressure detection element 124 reach the alarm pressure, the first feed pump 113 and the second feed pump 123 are automatically cut off, so as to avoid damaging the equipment and ensure the safety of the experiment.

[0051] The third one-way valve 130 is arranged on the gas branch pipe 132, the output end of the gas branch pipe 132 is communicated with the second feeding pipe 120, and the input end is communicated with the gas feeding pipe 128 and the purge gas conveying pipe 127 which are arranged in parallel; specifically, the gas branch pipe 132, the gas feeding pipe 128 and the purge gas conveying pipe 127 are communicated through the three-way joint 129. The gas feeding pipe 128 is used for conveying gaseous reactants required for the reaction, the second flow detection element 131 is arranged on the gas feeding pipe 128, the gas flow is detected, and the control is accurate. The purge gas conveying pipe 127 can be communicated with a compressed gas generating device, such as a high-pressure nitrogen tank; after the equipment is used, the micro-channel reactor 201 is purged by using the high-pressure stable gas provided by the purge gas conveying pipe 127, so that the influence of residual substances in the micro-channel reactor 201 on the experiment can be avoided.

[0052] The first one-way valve 115, the second one-way valve 125 and the third one-way valve 130 can avoid backflow of the material. The first temperature detection element 205 on the heat exchange medium conveying pipe 202, the second temperature detection element 206 on the heat exchange medium return pipe 203, the third temperature detection element 207 on the discharge pipe 204, the fourth temperature detection element 117 on the first feeding pipe 110 and the fifth temperature detection element 126 on the second feeding pipe 120 can all adopt temperature sensors to accurately monitor the temperature at the five positions; through the change of the temperature at the five positions and the flow rate and specific heat of the material, related heat transfer research can be performed, and the reaction progress state can also be monitored according to the change of the temperature curve.

[0053] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A chemical reaction teaching and learning machine comprising a feeding module (100) and a reaction module (200), characterized in that, Also include camera module (400) and display module (300); the reaction module (200) includes a piece of micro-channel reactor (201), the piece of the micro-channel reactor (201) is made of transparent material; the camera of the camera module (400) is arranged at one side of the micro-channel reactor (201), the camera is photographed to the fluid channel in the micro-channel reactor (201), and is displayed through the display module (300).

2. A chemical reaction teaching machine according to claim 1, wherein The camera module (400) can adjust the position relative to the micro-channel reactor (201); And / or, also include test box, the test box is provided with observation window at the corresponding position of the feed module (100), the reaction module (200); And / or, the material of the micro-channel reactor (201) is glass.

3. The chemical reaction teaching machine of claim 1 wherein, The micro-channel reactor (201) is provided with heat exchange flow channel, and the inlet and outlet of the heat exchange flow channel are communicated with heat exchange medium conveying pipeline (202) and heat exchange medium return pipeline (203) respectively; The first temperature detecting element (205) is arranged on the heat exchange medium conveying pipeline (202); The heat exchange medium return pipeline (203) is provided with second temperature detecting element (206) and first flow detecting element (210).

4. The chemical reaction teaching machine of claim 1 wherein, The micro-channel reactor (201) is provided with two material inlets and one material outlet; The material outlet is communicated with the discharge pipeline (204); The feed module (100) includes first feeding pipeline (110) and second feeding pipeline (120), and the first feeding pipeline (110) and the second feeding pipeline (120) are communicated with the two material inlets of the micro-channel reactor (201) respectively.

5. A chemical reaction teaching machine according to claim 4, wherein The third temperature detecting element (207), the first pressure detecting element (208) and the back pressure valve (209) are sequentially arranged on the discharge pipeline (204) along the fluid flow direction.

6. A chemical reaction teaching machine according to claim 4, wherein The first feeding pipeline (110) is communicated with the first supply container (111), and the first feeding pipeline (110) is sequentially provided with the first supply pump (113), the second pressure detecting element (114), the first check valve (115) and the fourth temperature detecting element (117) along the fluid flow direction. The first supply pump (113) is a plunger flat flow pump, and the first supply container (111) is provided with the first weighing device (112).

7. A chemical reaction teaching machine according to claim 4, wherein The second feeding pipeline (120) is provided with the second check valve (125) and the fifth temperature detecting element (126), the output end of the second feeding pipeline (120) is communicated with the micro-channel reactor (201), the input end is communicated with the liquid branch pipeline (133) and the gas branch pipeline (132), and the liquid branch pipeline (133) and the gas branch pipeline (132) are connected in parallel.

8. A chemical reaction teaching machine according to claim 7, wherein The liquid branch pipeline (133) is communicated with the second supply container (121), and the liquid branch pipeline (133) is provided with the second supply pump (123) and the third pressure detecting element (124); The second supply pump (123) is a plunger flat flow pump, and the second supply container (121) is provided with the second weighing device (122).

9. The chemical reaction teaching machine of claim 7 wherein, The gas branch pipeline (132) is provided with a third one-way valve (130), and an output end of the gas branch pipeline (132) is communicated with the second feeding pipeline (120), and an input end is communicated with a gas feeding pipeline (128) and a purge gas conveying pipeline (127) arranged in parallel; The gas feeding pipeline (128) is provided with a second flow detection element (131).

10. The chemical reaction teaching machine of claim 7 wherein, The first feeding pipeline (110) is communicated with a relief pipeline (116), and the relief pipeline (116) is provided with a pressure relief element (118).

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