Continuous flow micro-reaction equipment for synthesizing high-purity fluorescent-grade barium carbonate

Abstract

The invention discloses continuous flow micro-reaction equipment for synthesizing high-purity fluorescent-grade barium carbonate, the continuous flow micro-reaction equipment comprises a bottom plate, a support, an injection mechanism, a monitoring mechanism and a micro-reaction mechanism, the adjusting mechanism comprises an adjusting plate and an adjusting block, through the arrangement of the adjusting mechanism, when a micro-reaction channel is blocked, the micro-reaction channel is blocked, and the micro-reaction channel is blocked. The aperture of the micro-reaction channel can be increased through sliding of the adjusting mechanism, so that blockages are not clamped in the micro-reaction channel any more, then the two blocking plates are opened, the gas supply mechanism is utilized to fill pure gas into the micro-reaction channel to blow out the blockages, and the waste collection mechanism is utilized to collect the blockages for subsequent treatment. Automatic cleaning of the micro-reaction mechanism is achieved, then the production efficiency of barium carbonate is effectively improved, data such as temperature and pressure in the reaction process are monitored in real time through the monitoring mechanism, the reaction temperature and pressure are adjusted in real time according to the monitored data, and then the purity of barium carbonate is effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of continuous flow micro-reaction equipment, in particular to a continuous flow micro-reaction equipment for synthesizing high-purity fluorescent-grade barium carbonate. Background Art

[0002] A continuous flow microreactor is a tubular chemical reactor with a characteristic size of less than hundreds of microns, which is manufactured using precision machining technology. Its microstructure can greatly improve the reaction rate and heat exchange efficiency, shorten the reaction time, and improve production efficiency. It can also accurately control parameters such as reaction temperature, pressure, and material flow rate, thereby achieving accurate control of the reaction process, which can greatly reduce the consumption of reagents and energy, and reduce the emission of waste gas and wastewater.

[0003] However, although the microchannel reactor provides a larger interface contact area due to its small channel size, making the mixing between reactants faster and the heat exchange more efficient, it is also difficult for solid precipitates to flow out of the channel during the reaction production precipitation, which can lead to blockage. Existing microchannel reactors often need to be manually disassembled and cleaned after being blocked, which seriously slows down their working efficiency. In addition, since the microchannel reactor is a high-precision instrument, special attention needs to be paid when cleaning, which further makes the cleaning work extremely inconvenient.

[0004] Therefore, it is necessary to provide a continuous flow micro-reaction device for synthesizing high-purity fluorescent grade barium carbonate to solve the problems raised in the above background technology. Summary of the invention

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a continuous flow micro-reaction device for synthesizing high-purity fluorescent-grade barium carbonate, comprising a base plate and a bracket fixedly arranged on the base plate, an injection mechanism and a micro-reaction mechanism, wherein a monitoring mechanism is fixedly arranged on the bracket, and the micro-reaction mechanism comprises a micro-reaction seat, a cover plate and an adjustment mechanism, the micro-reaction seat is fixedly arranged on the base plate, the cover plate is sealed and fixedly connected to the micro-reaction seat, and an adjustment mechanism is slidably arranged in the micro-reaction seat.

[0006] Further, as a preference, the micro-reaction seat and the cover plate are respectively provided with a first flow groove and a second flow groove, the first flow groove and the second flow groove are sealed and fitted to form a micro-reaction channel, two injection tubes and an output tube are fixedly provided on the cover plate, the injection tube connects the injection mechanism with the input end of the micro-reaction channel, and the output tube connects the micro-reaction channel with an external collection mechanism.

[0007] Further, as a preference, the adjusting mechanism includes an adjusting plate and an adjusting block. Among them, a sliding cavity is formed on the micro-reaction seat. The adjusting plate is slidably arranged in the sliding cavity and driven by a first hydraulic cylinder. An adjusting block is fixedly arranged on the adjusting plate, and the adjusting block is hermetically slidably arranged along the first flow channel and the second flow channel.

[0008] Further, as a preference, a plurality of air inlets and discharge ports are respectively formed on both sides of the first flow channel and the second flow channel. The plurality of air inlets are connected to an external air supply mechanism through an air inlet pipe. The plurality of discharge ports are communicated with the output pipe through a discharge pipe and are communicated with an external waste collection mechanism.

[0009] Further, as a preference, a plugging plate is hermetically slidably arranged at the air inlet and the discharge port. A plurality of through holes are formed on the plugging plate. The through holes on the two plugging plates can be respectively communicated with the air inlet and the discharge port. A driving rod is slidably arranged on the cover plate. The driving rod is fixedly connected to the two plugging plates, and a second hydraulic cylinder for driving the driving rod to slide is arranged at the top of the cover plate.

[0010] Further, as a preference, a plurality of clamping grooves are formed on the micro-reaction seat and the cover plate. A temperature adjusting plate is clamped in the clamping grooves, and the height of the temperature adjusting plate is the same as that of the micro-reaction channel. The temperature adjusting plate is controlled by an external temperature adjusting mechanism.

[0011] Further, as a preference, both the micro-reaction seat and the cover plate are made of a transparent material. The monitoring mechanism includes a temperature monitoring module, a pressure monitoring module and a monitoring camera. A control unit is arranged on the support.

[0012] Compared with the prior art, the present invention provides a continuous flow micro-reaction device for synthesizing high-purity fluorescent grade barium carbonate, and has the following beneficial effects:

[0013] In the present invention, through the arrangement of the adjusting mechanism, when the micro-reaction channel is blocked, the aperture of the micro-reaction channel can be enlarged by the sliding of the adjusting mechanism, so that the blockage is no longer stuck in the micro-reaction channel. Then, the two plugging plates arranged on both sides of the micro-reaction channel are opened, and a pure gas is filled into the micro-reaction channel by the air supply mechanism to blow out the blockage, and the waste collection mechanism is used to collect and perform subsequent treatment, so as to realize the self-cleaning of the micro-reaction mechanism, thereby effectively improving the production efficiency of barium carbonate. In addition, the monitoring mechanism is used to monitor the temperature, pressure and other data in the reaction process in real time, and the reaction temperature and pressure are adjusted in real time according to the monitored data, thereby effectively improving the purity of barium carbonate. In addition, the aperture of the micro-reaction channel can be finely adjusted through the adjusting mechanism, so as to finely adjust the flow rate of the solution in the micro-reaction channel, and further improve the purity of the generated barium carbonate. Description of the Drawings

[0014] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0015] Figure 2 is a schematic diagram of the micro-reaction mechanism in the present invention;

[0016] Figure 3 is a schematic diagram of the micro-reaction seat in the present invention;

[0017] Figure 4 is a schematic diagram of the adjustment mechanism in the present invention;

[0018] Figure 5 is a schematic diagram of the cover plate in the present invention;

[0019] In the figure: 1, bottom plate; 2, bracket; 3, injection mechanism; 4, monitoring mechanism; 5, micro-reaction mechanism; 51, micro-reaction seat; 511, first flow channel; 512, sliding cavity; 513, air inlet; 514, discharge port; 515, intake pipe; 516, discharge pipe; 52, cover plate; 521, second flow channel; 522, injection pipe; 523, output pipe; 524, driving rod; 53, adjustment mechanism; 531, adjustment plate; 532, adjustment block; 54, sealing plate; 541, through hole; 55, temperature adjustment plate. Detailed implementation manners

[0020] Please refer to Figures 1 to 5 , in an embodiment of the present invention, a continuous flow micro-reaction device for synthesizing high-purity fluorescent grade barium carbonate includes a bottom plate 1, and a bracket 2, an injection mechanism 3 and a micro-reaction mechanism 5 fixedly arranged on the bottom plate 1. Among them, a monitoring mechanism 4 is fixedly arranged on the bracket 2. The micro-reaction mechanism 5 includes a micro-reaction seat 51, a cover plate 52 and an adjustment mechanism 53. The micro-reaction seat 51 is fixedly arranged on the bottom plate 1. The cover plate 52 is hermetically and fixedly connected to the micro-reaction seat 51, and an adjustment mechanism 53 is slidably arranged in the micro-reaction seat 51;

[0021] A first flow channel 511 and a second flow channel 521 are respectively formed in the micro-reaction seat 51 and the cover plate 52. The first flow channel 511 and the second flow channel 521 are hermetically attached to form a micro-reaction channel. Two injection pipes 522 and an output pipe 523 are fixedly arranged on the cover plate 52. The injection pipe 522 communicates the injection mechanism 3 with the input end of the micro-reaction channel, and the output pipe 523 communicates the micro-reaction channel with an external collection mechanism;

[0022] The adjusting mechanism 53 includes an adjusting plate 531 and an adjusting block 532. Among them, a sliding cavity 512 is formed on the micro-reaction seat 51. The adjusting plate 531 is slidably arranged in the sliding cavity 512 and driven by a first hydraulic cylinder. An adjusting block 532 is fixedly arranged on the adjusting plate 531, and the adjusting block 532 is hermetically slidably arranged along the first flow channel 511 and the second flow channel 521;

[0023] In addition, the first hydraulic cylinder is a high-precision hydraulic cylinder. The adjusting mechanism 53 not only works when the micro-reaction channel is blocked, but also can finely adjust the aperture of the micro-reaction channel according to the purity and rate requirements of barium carbonate during the preparation of barium carbonate, and then finely adjust the flow rate of the solution in the micro-reaction channel, further improving the purity of the produced barium carbonate;

[0024] A plurality of air inlets 513 and discharge ports 514 are respectively arranged on both sides of the first flow channel 511 and the second flow channel 521. The plurality of air inlets 513 are connected to an external air supply mechanism through an air inlet pipe 515, and the plurality of discharge ports 514 are communicated with the output pipe 523 through a discharge pipe 516 and communicated with an external waste collection mechanism;

[0025] Blocking plates 54 are hermetically slidably arranged at the air inlets 513 and the discharge ports 514. A plurality of through holes 541 are formed in the blocking plates 54. The through holes 541 on the two blocking plates 54 can be respectively communicated with the air inlets 513 and the discharge ports 514. A driving rod 524 is slidably arranged on the cover plate 52. The driving rod 524 is fixedly connected to the two blocking plates 54, and a second hydraulic cylinder for driving the driving rod 524 to slide is arranged at the top of the cover plate 52;

[0026] Both the micro-reaction seat 51 and the cover plate 52 are made of transparent materials. The monitoring mechanism 4 includes a temperature monitoring module, a pressure monitoring module, and a monitoring camera. A control unit is arranged on the bracket 2;

[0027] In addition, both the micro-reaction seat 51 and the cover plate 52 are made of transparent materials, which is convenient for real-time monitoring of the reaction process and real-time control of reaction conditions such as temperature and pressure according to the reaction situation, thereby improving the purity of the produced barium carbonate;

[0028] During implementation, a barium hydroxide solution is used as the barium source, and an ammonium bicarbonate solution is used as the carbon source. The injection mechanism 3 is used to inject the two-phase solution into the micro-reaction mechanism 5 through two injection tubes 522, so that the two-phase solution reacts in the micro-reaction mechanism 5 to produce barium carbonate. During this process, the reaction temperature is controlled by the temperature control mechanism, and the monitoring mechanism 4 is used to monitor the reaction conditions in the micro-reaction mechanism 5 in real time. That is, a monitoring camera is used to monitor whether the micro-reaction channel is blocked, and a temperature monitoring module and a pressure monitoring module are used to monitor and adjust the reaction temperature and pressure in real time, thereby generating high-purity barium carbonate. When the monitoring mechanism 4 detects that the micro-reaction channel is blocked, the control unit controls the injection mechanism 3 to stop injecting the reaction solution. Subsequently, the hydraulic cylinder 1 is used to drive the adjusting plate 531 to slide downward, so that the aperture of the micro-reaction channel becomes larger, that is, the precipitate no longer gets stuck in the micro-reaction channel. Then, the hydraulic cylinder 2 is used to drive the driving rod 524 to slide and drive the two blocking plates 54 to slide, so that the through holes 541 on the two blocking plates 54 are respectively communicated with the air inlet 513 and the discharge port 514. Subsequently, an external air supply mechanism is used to fill the micro-reaction channel with air, and the blockage in the micro-reaction channel is blown into the discharge pipe 516, and the waste collection mechanism is used to collect it for further treatment. Then, after the blocking plate 54 and the adjusting plate 531 are reset, the two-phase solution is continuously filled into the micro-reaction mechanism 5 for barium carbonate preparation. Thus, there is no need to manually disassemble and clean the micro-reaction mechanism 5, and the unit micro-reaction mechanism 5 is not damaged. By monitoring through the monitoring mechanism 4, the reaction process can be monitored in real time, and the reaction temperature and pressure can be automatically controlled, further improving the purity of the generated barium carbonate.

[0029] In this embodiment, as Figure 3 and Figure 5 , a plurality of card slots are provided on the micro-reaction seat 51 and the cover plate 52, a temperature adjusting plate 55 is clamped in the card slot, and the height of the temperature adjusting plate 55 is the same as the height of the micro-reaction channel. The temperature adjusting plate 55 is controlled by an external temperature control mechanism.

[0030] Specifically, the height of the temperature adjusting plate 55 is set to be the same as the height of the micro-reaction channel, so that the temperature adjusting plate can completely cover the micro-reaction channel, thereby making the control of the temperature of the micro-reaction channel by the temperature adjusting plate 55 faster and more accurate.

[0031] In summary, when the present invention is implemented, through the setting of the adjusting mechanism 53, when the micro-reaction channel is blocked, the aperture of the micro-reaction channel can be enlarged by the sliding of the adjusting mechanism 53, so that the blockage is no longer stuck in the micro-reaction channel. Subsequently, the two plugging plates 54 arranged on both sides of the micro-reaction channel are opened, and a pure gas is filled into the micro-reaction channel by the gas supply mechanism to blow out the blockage, and the waste collection mechanism is used to collect and perform subsequent treatment, thereby realizing the self-cleaning of the micro-reaction mechanism 5, and effectively improving the production efficiency of barium carbonate. In addition, the monitoring mechanism 4 is used to monitor data such as temperature and pressure during the reaction in real time, and the reaction temperature and pressure are adjusted in real time according to the monitored data, thereby effectively improving the purity of barium carbonate. In addition, the aperture of the micro-reaction channel can be finely adjusted through the adjusting mechanism 53, and then the flow rate of the solution in the micro-reaction channel can be finely adjusted, further improving the purity of the generated barium carbonate.

[0032] The above is only the preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A continuous flow microreactor device for synthesizing high-purity fluorescent grade barium carbonate, characterized in that: It includes a bottom plate (1), a bracket (2), an injection mechanism (3), and a micro-reaction mechanism (5) fixedly arranged on the bottom plate (1). Among them, a monitoring mechanism (4) is fixedly arranged on the bracket (2). The micro-reaction mechanism (5) includes a micro-reaction seat (51), a cover plate (52), and an adjustment mechanism (53). The micro-reaction seat (51) is fixedly arranged on the bottom plate (1), the cover plate (52) is hermetically and fixedly connected to the micro-reaction seat (51), and an adjustment mechanism (53) is slidably arranged in the micro-reaction seat (51).

2. The continuous flow microreaction device for synthesizing high-purity fluorescent barium carbonate according to claim 1, characterized in that: A first flow channel (511) and a second flow channel (521) are respectively formed on the micro-reaction seat (51) and the cover plate (52). The first flow channel (511) and the second flow channel (521) are hermetically attached to form a micro-reaction channel. Two injection tubes (522) and an output tube (523) are fixedly arranged on the cover plate (52). The injection tubes (522) connect the injection mechanism (3) with the input end of the micro-reaction channel, and the output tube (523) connects the micro-reaction channel with an external collection mechanism.

3. The continuous flow microreaction device for synthesizing high-purity fluorescent grade barium carbonate according to claim 2, wherein: The adjustment mechanism (53) includes an adjustment plate (531) and an adjustment block (532). Among them, a sliding cavity (512) is formed on the micro-reaction seat (51). The adjustment plate (531) is slidably arranged in the sliding cavity (512) and is driven by a first hydraulic cylinder. An adjustment block (532) is fixedly arranged on the adjustment plate (531), and the adjustment block (532) is hermetically slidably arranged along the first flow channel (511) and the second flow channel (521).

4. The continuous flow microreaction device for synthesizing high-purity fluorescent barium carbonate according to claim 2, wherein: A plurality of air inlets (513) and discharge ports (514) are respectively formed on both sides of the first flow channel (511) and the second flow channel (521). The plurality of air inlets (513) are connected to an external air supply mechanism through an air inlet pipe (515). The plurality of discharge ports (514) are connected to the output tube (523) through a discharge pipe (516) and are connected to an external waste collection mechanism.

5. A continuous flow microreactor device for synthesizing high-purity fluorescent grade barium carbonate according to claim 4, characterized in that: Blocking plates (54) are hermetically and slidably arranged at the air inlets (513) and the discharge ports (514). A plurality of through holes (541) are formed on the blocking plates (54). The through holes (541) on the two blocking plates (54) can be respectively communicated with the air inlets (513) and the discharge ports (514). A driving rod (524) is slidably arranged on the cover plate (52). The driving rod (524) is fixedly connected to the two blocking plates (54), and a second hydraulic cylinder for driving the driving rod (524) to slide is arranged on the top of the cover plate (52).

6. A continuous flow microreactor device for synthesizing high-purity fluorescent barium carbonate according to claim 1, characterized in that: A plurality of card slots are formed on the micro-reaction seat (51) and the cover plate (52). A temperature adjustment plate (55) is clamped in the card slots, and the height of the temperature adjustment plate (55) is the same as the height of the micro-reaction channel. The temperature adjustment plate (55) is controlled by an external temperature adjustment mechanism.

7. A continuous flow microreaction device for synthesizing high-purity fluorescent barium carbonate according to claim 1, characterized in that: Both the micro-reaction seat (51) and the cover plate (52) are made of transparent materials. The monitoring mechanism (4) includes a temperature monitoring module, a pressure monitoring module, and a monitoring camera. A control unit is provided on the bracket (2).

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