A stirring device for Mannich condensation reaction of formaldehyde and propionaldehyde

Abstract

The utility model relates to the technical field of condensation reaction stirring devices, in particular to a formaldehyde and propionaldehyde Mannich condensation reaction stirring device; technical problem: it is difficult for a traditional condensation reaction stirring device to make formaldehyde and propionaldehyde fully contact to mix them during mixing; technical solution: a formaldehyde and propionaldehyde Mannich condensation reaction stirring device, comprising a box body, a material guide component, a storage component, a water guide component, a flow guide component, a regulating component and a supporting component; compared with the traditional condensation reaction stirring device, it is difficult for formaldehyde and propionaldehyde to be fully contacted to mix them. The stirring device can diffuse a pipeline to make formaldehyde fully filled in the device, atomize propionaldehyde to increase the contact area of ​​the reactants, and further make formaldehyde and propionaldehyde fully contact by increasing the temperature inside the device, thereby accelerating the condensation reaction, and achieving the increase of the contact area of ​​formaldehyde and propionaldehyde during the Mannich condensation reaction to improve the condensation reaction effect of formaldehyde and propionaldehyde.

Description

Technical Field

[0001] The utility model relates to the technical field of condensation reaction stirring devices, in particular to a stirring device for the Mannich condensation reaction of formaldehyde and propionaldehyde. Background Art

[0002] Mannich condensation reaction is an organic synthesis reaction, and the reaction effect can be improved by configuring a suitable stirring device. Formaldehyde and propionaldehyde are the starting materials of the commonly used Mannich condensation reaction, and the corresponding Mannich base is generated by reacting with amines. Therefore, the stirring device for the Mannich condensation reaction of formaldehyde and propionaldehyde is a special equipment used to evenly mix formaldehyde, propionaldehyde and amine during the reaction. The design and optimization of this stirring device can improve the reaction efficiency, control the reaction conditions, and ensure that the reactants are fully reacted, thereby obtaining a high-yield and high-purity product. However, in the use of the traditional condensation reaction stirring device, the traditional condensation reaction stirring device adds formaldehyde and propionaldehyde to the stirring device through the Mannich condensation reaction, and fully stirs them to ensure that the two substrates are fully mixed. However, when the traditional condensation reaction stirring device mixes formaldehyde and propionaldehyde, since formaldehyde and propionaldehyde are gas and liquid, the gas and liquid have greater fluidity during mixing and stirring, making it difficult to make formaldehyde and propionaldehyde fully contact to mix them. Utility Model Content

[0003] In order to overcome the problem in daily use of traditional condensation reaction stirring devices, when mixing formaldehyde and propionaldehyde, the traditional condensation reaction stirring devices have a problem that since formaldehyde and propionaldehyde are gas and liquid, the gas and liquid have high fluidity during mixing and stirring, making it difficult for formaldehyde and propionaldehyde to fully contact and mix them.

[0004] The technical scheme of the utility model is: a stirring device for the Mannich condensation reaction of formaldehyde and propionaldehyde, comprising a box body, a material guiding component, a storage component, a water guiding component, a flow guiding component, a regulating component and a supporting component; a material guiding component with a material guiding function is arranged below the box body, a storage component with a storage function is arranged below the material guiding component, a water guiding component with a water guiding function is arranged on one side of the box body, a flow guiding component with a flow guiding function is arranged on the inner side of the box body, a regulating component with a regulating function is arranged on the inner side of the box body, and a supporting component with a supporting function is arranged on the outer side of the box body.

[0005] Preferably, formaldehyde is stored by a storage component, formaldehyde gas is introduced into the interior of the box through a material guide component and the formaldehyde is diffused, propionaldehyde liquid is introduced into the interior of the box through a water guide component and the propionaldehyde liquid is atomized, so that propionaldehyde and formaldehyde form convection and the contact area between propionaldehyde and formaldehyde is increased, the formaldehyde and propionaldehyde inside the box are stirred by a flow guide component, so that the formaldehyde and propionaldehyde are fully stirred and mixed, the interior of the box is heated by a regulating component to increase the temperature inside the box, so that the formaldehyde gas moves upward and contacts the atomized propionaldehyde through the principle of thermal expansion and contraction, thereby preventing the formaldehyde gas from being deposited at the bottom of the box, and the box is supported and shock-absorbing by a support component, so as to support and shock-absorbing the stirring device.

[0006] Preferably, the material guiding assembly comprises an air pump, a first air guiding pipe, a second air guiding pipe and slots; an air pump is arranged at the bottom of the box, a first air guiding pipe is arranged above the air pump, a plurality of first air guiding pipes are arranged, a second air guiding pipe is arranged on one side of the air pump, a plurality of second air guiding pipes are arranged, a slot is provided on the side of the second air guiding pipe, a plurality of slots are provided. When in use, the formaldehyde gas is introduced into the interior of the box through the first air guiding pipe and the second air guiding pipe by starting the air pump, and the formaldehyde gas can be evenly introduced into the interior of the box through the slots on the side of the second air guiding pipe, so that the formaldehyde gas fully fills the interior of the stirring device.

[0007] Preferably, the storage component includes a gas storage tank and a third air duct; the third air duct is arranged below the air pump, and the gas storage tank is arranged below the third air duct. When in use, the formaldehyde gas is stored and processed by the gas storage tank, and the formaldehyde gas inside the gas storage tank is discharged through the third air duct by starting the air pump.

[0008] Preferably, the water guide assembly includes a liquid storage tank, a water guide pipe, a connecting pipe and an atomizing nozzle; the liquid storage tank is arranged on the outside of the box body, the water guide pipe is arranged on the inside of the liquid storage tank, a connecting pipe is arranged at one end of the water guide pipe, and an atomizing nozzle is arranged at one end of the connecting pipe. When in use, the propionaldehyde liquid is stored and processed by the liquid storage tank, the liquid storage tank is introduced into the connecting pipe along the water guide pipe through the water guide pipe, and the propionaldehyde liquid is atomized and sprayed out through the atomizing nozzle, thereby increasing the contact area between propionaldehyde and formaldehyde.

[0009] Preferably, the guide assembly includes a motor, a rotating shaft and a stirring blade; the motor is arranged above the box body, the output end of the motor is arranged with a rotating shaft, and the outer side of the rotating shaft is arranged with a stirring blade. When in use, the motor is started to drive the rotating shaft to rotate, and the stirring blade is driven to rotate by the rotation of the rotating shaft, and the formaldehyde and propionaldehyde are fully stirred when the stirring blade rotates.

[0010] Preferably, the regulating component includes a power supply and a heating rod; a power supply is arranged below the box, and the power supply is arranged in multiple groups, and a heating rod is arranged above the power supply. When in use, the heating rod is heated by starting the power supply, and the formaldehyde and propionaldehyde inside the box are heated by the heating rod, so that the formaldehyde gas moves upward due to thermal expansion and contraction, thereby further making the formaldehyde and propionaldehyde fully contact, thereby accelerating the Mannich condensation reaction of formaldehyde and propionaldehyde.

[0011] Preferably, the supporting assembly includes a mounting frame, a bracket and a shock-absorbing pad; the mounting frame is arranged on the outside of the box, the bracket is arranged below the mounting frame, and the shock-absorbing pad is arranged at the lower end of the bracket. When in use, the position of the box is fixed by the mounting frame, the mounting frame is supported by the bracket, and the bracket is shock-absorbing by the shock-absorbing pad, thereby improving the stability of the stirring device when in use.

[0012] Beneficial effects of the utility model:

[0013] 1. Compared with the conventional condensation reaction stirring device, formaldehyde and propionaldehyde are added to the stirring device through the Mannich condensation reaction and are fully stirred to ensure that the two substrates are fully mixed. However, when the conventional condensation reaction stirring device mixes formaldehyde and propionaldehyde, since formaldehyde and propionaldehyde are gas and liquid, the gas and liquid have greater fluidity during mixing and stirring, and it is difficult to make formaldehyde and propionaldehyde fully contact to mix them. The stirring device introduces formaldehyde into the interior of the device through a diffusible pipe so that it is fully filled in the interior of the device, atomizes propionaldehyde to increase the contact area between formaldehyde and propionaldehyde, and further increases the temperature inside the device to make formaldehyde and propionaldehyde fully contact, thereby accelerating the Mannich condensation reaction of formaldehyde and propionaldehyde, thereby increasing the contact area of ​​formaldehyde and propionaldehyde during the Mannich condensation reaction to improve the condensation reaction effect of formaldehyde and propionaldehyde;

[0014] 2. By starting the air pump, formaldehyde gas is introduced into the interior of the box through the first air guide pipe and the second air guide pipe. When passing through the slot hole on the side of the second air guide pipe, the formaldehyde gas can be uniformly introduced into the interior of the box, so that the formaldehyde gas fully fills the interior of the stirring device, the propionaldehyde liquid is stored and processed by the liquid storage tank, the liquid storage tank is introduced into the connecting pipe along the water guide pipe through the water guide pipe, and the propionaldehyde liquid is atomized and sprayed out through the atomizing nozzle, so as to increase the contact area between propionaldehyde and formaldehyde, and the motor is started to drive the rotating shaft to rotate, and the stirring blade is driven to rotate by the rotation of the rotating shaft, and the formaldehyde and propionaldehyde are fully stirred when the stirring blade rotates, and the heating rod is heated by starting the power supply, and the formaldehyde and propionaldehyde in the box are heated by the heating rod, so that the formaldehyde gas moves upward through thermal expansion and contraction, so as to further make the formaldehyde and propionaldehyde fully contact, thereby accelerating the Mannich condensation reaction of formaldehyde and propionaldehyde, and achieving the increase of the contact area during the Mannich condensation reaction of formaldehyde and propionaldehyde to improve the condensation reaction effect of formaldehyde and propionaldehyde;

[0015] 3. The position of the box is fixed by the mounting frame, the mounting frame is supported by the bracket, and the bracket is shock-absorbing by the shock-absorbing pad, so as to improve the stability of the stirring device during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The first cross-sectional structure schematic diagram of the stirring device for the Mannich condensation reaction of formaldehyde and propionaldehyde of the utility model is shown;

[0017] Figure 2 The second cross-sectional structure schematic diagram of the stirring device for the Mannich condensation reaction of formaldehyde and propionaldehyde of the utility model is shown;

[0018] Figure 3 What is shown is a schematic diagram of a partial three-dimensional structure of a stirring device for the Mannich condensation reaction of formaldehyde and propionaldehyde of the utility model;

[0019] Figure 4 The three-dimensional structure schematic diagram of the stirring device for the Mannich condensation reaction of formaldehyde and propionaldehyde of the utility model is shown;

[0020] Explanation of the reference numerals: 1. Box body; 2. Material guiding assembly; 201. Air pump; 202. First air guiding pipe; 203. Second air guiding pipe; 204. Slot; 3. Storage assembly; 301. Air storage tank; 302. Third air guiding pipe; 4. Water guiding assembly; 401. Liquid storage tank; 402. Water guiding pipe; 403. Connecting pipe; 404. Atomizing nozzle; 5. Flow guiding assembly; 501. Motor; 502. Rotating shaft; 503. Stirring blade; 6. Control assembly; 601. Power supply; 602. Heating rod; 7. Support assembly; 701. Mounting frame; 702. Bracket; 703. Shock-absorbing pad. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] See also Figure 1 The utility model provides an embodiment: a stirring device for the Mannich condensation reaction of formaldehyde and propionaldehyde, comprising a box body 1, a material guiding component 2, a storage component 3, a water guiding component 4, a flow guiding component 5, a regulating component 6 and a supporting component 7; a material guiding component 2 with a material guiding function is arranged below the box body 1, a storage component 3 with a storage function is arranged below the material guiding component 2, a water guiding component 4 with a water guiding function is arranged on one side of the box body 1, a flow guiding component 5 with a flow guiding function is arranged on the inner side of the box body 1, a regulating component 6 with a regulating function is arranged on the inner side of the box body 1, and a supporting component 7 with a supporting function is arranged on the outer side of the box body 1.

[0023] See also Figure 2-4 In this embodiment, the material guide component 2 includes an air pump 201, a first air guide pipe 202, a second air guide pipe 203 and a slot 204; the air pump 201 is arranged below the box body 1, the first air guide pipe 202 is arranged above the air pump 201, the first air guide pipe 202 is arranged in multiple groups, the second air guide pipe 203 is arranged on one side of the air pump 201, the second air guide pipe 203 is arranged in multiple groups, and the side of the second air guide pipe 203 is provided with a slot 204, and the slot 204 is provided with multiple groups. When in use, by starting the air pump 201, the formaldehyde gas is introduced into the box body 1 through the first air guide pipe 202 and the second air guide pipe 203. When passing through the slot 204 on the side of the second air guide pipe 203, the formaldehyde gas can be evenly introduced into the box body 1, so that the formaldehyde gas fully fills the inside of the stirring device. The storage component 3 includes a gas storage tank 301 and a third air guide pipe 302; the air pump 201 is arranged below There is a third air guide pipe 302, and a gas storage tank 301 is arranged below the third air guide pipe 302. When in use, the formaldehyde gas is stored and processed by the gas storage tank 301, and the formaldehyde gas inside the gas storage tank 301 is discharged through the third air guide pipe 302 by starting the air pump 201. The water guide component 4 includes a liquid storage tank 401, a water guide pipe 402, a connecting pipe 403 and an atomizing nozzle 404; the outer side of the box body 1 is provided with a liquid storage tank 401, and the liquid storage tank A water pipe 402 is provided on the inner side of 401, a connecting pipe 403 is provided at one end of the water pipe 402, and an atomizing nozzle 404 is provided at one end of the connecting pipe 403. When in use, the propionaldehyde liquid is stored and processed by the liquid storage tank 401, the liquid storage tank 401 is introduced into the connecting pipe 403 along the water pipe 402 through the water pipe 402, and the propionaldehyde liquid is atomized and sprayed out through the atomizing nozzle 404, thereby increasing the contact area between propionaldehyde and formaldehyde.

[0024] The flow guide component 5 includes a motor 501, a rotating shaft 502 and a stirring blade 503; a motor 501 is arranged above the box body 1, a rotating shaft 502 is arranged at the output end of the motor 501, and a stirring blade 503 is arranged on the outer side of the rotating shaft 502. When in use, the motor 501 is started to drive the rotating shaft 502 to rotate, and the stirring blade 503 is driven to rotate by the rotation of the rotating shaft 502, and the formaldehyde and propionaldehyde are fully stirred when the stirring blade 503 rotates. The regulating component 6 includes a power supply 601 and a heating rod 602; a power supply 601 is arranged below the box body 1, and the power supply 601 is provided with multiple groups. A heating rod 602 is arranged above the power supply 601. When in use, the heating rod 602 is heated by starting the power supply 601, and the heating The rod 602 heats the formaldehyde and propionaldehyde inside the box body 1, so that the formaldehyde gas moves upward through thermal expansion and contraction, thereby further making the formaldehyde and propionaldehyde fully contact each other, thereby accelerating the Mannich condensation reaction of formaldehyde and propionaldehyde. The support assembly 7 includes a mounting frame 701, a bracket 702 and a shock-absorbing pad 703; a mounting frame 701 is arranged on the outside of the box body 1, a bracket 702 is arranged below the mounting frame 701, and a shock-absorbing pad 703 is arranged at the lower end of the bracket 702. When in use, the position of the box body 1 is fixed by the mounting frame 701, the mounting frame 701 is supported by the bracket 702, and the bracket 702 is shock-absorbing by the shock-absorbing pad 703, thereby improving the stability of the stirring device when in use.

[0025] During operation, the formaldehyde gas is first stored and processed in the gas storage tank 301 , and the formaldehyde gas in the gas storage tank 301 is discharged through the third air guide pipe 302 by starting the air pump 201 .

[0026] After the formaldehyde is extracted, the air pump 201 is started to introduce the formaldehyde gas into the box body 1 through the first air guide pipe 202 and the second air guide pipe 203. The formaldehyde gas can be evenly introduced into the box body 1 through the slot hole 204 on the side of the second air guide pipe 203, so that the formaldehyde gas fully fills the stirring device. The propionaldehyde liquid is stored and processed by the liquid storage tank 401, and the liquid storage tank 401 is introduced into the connecting pipe 403 along the water guide pipe 402. The propionaldehyde liquid is atomized and sprayed out through the atomizing nozzle 404, so as to increase the contact area between propionaldehyde and formaldehyde. The motor 501 is started to drive the rotating shaft 502 to rotate, and the stirring blade 503 is driven to rotate by the rotation of the rotating shaft 502. When the stirring blade 503 rotates, the formaldehyde and propionaldehyde are fully stirred;

[0027] After propionaldehyde is introduced into the box 1, the power supply 601 is started to increase the temperature of the heating rod 602, and the formaldehyde and propionaldehyde inside the box 1 are heated by the heating rod 602, so that the formaldehyde gas moves upward due to thermal expansion and contraction, thereby further making the formaldehyde and propionaldehyde fully contact, thereby accelerating the Mannich condensation reaction of formaldehyde and propionaldehyde.

[0028] Through the above steps, formaldehyde is stored by the storage component 3, formaldehyde gas is introduced into the interior of the box 1 by the material guide component 2 and the formaldehyde is diffused, propionaldehyde liquid is introduced into the interior of the box 1 by the water guide component 4 and the propionaldehyde liquid is atomized, so that propionaldehyde and formaldehyde form convection and the contact area between propionaldehyde and formaldehyde is increased, the formaldehyde and propionaldehyde in the box 1 are stirred by the flow guide component 5, so that the formaldehyde and propionaldehyde are fully stirred and mixed, the interior of the box 1 is heated by the control component 6 to increase the temperature inside the box 1, so that the formaldehyde gas moves upward and contacts the atomized propionaldehyde by the principle of thermal expansion and contraction, and the formaldehyde gas is prevented from being deposited at the bottom of the box 1, and the box 1 is supported and shock-absorbing by the support component 7, so as to support and shock-absorbing the stirring device.

[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A stirring device for the Mannich condensation reaction of formaldehyde and propionaldehyde, comprising a housing (1); characterized in that: It also comprises a material guiding component (2), a storage component (3), a water guiding component (4), a flow guiding component (5), a regulating component (6) and a supporting component (7); a material guiding component (2) having a material guiding function is arranged below the box body (1); a storage component (3) having a storage function is arranged below the material guiding component (2); a water guiding component (4) having a water guiding function is arranged on one side of the box body (1); a flow guiding component (5) having a flow guiding function is arranged on the inner side of the box body (1); a regulating component (6) having a regulating function is arranged on the inner side of the box body (1); and a supporting component (7) having a supporting function is arranged on the outer side of the box body (1); The material guide assembly (2) comprises an air pump (201), a first air guide pipe (202), a second air guide pipe (203) and slots (204); the air pump (201) is arranged below the box body (1); the first air guide pipe (202) is arranged above the air pump (201); a plurality of first air guide pipes (202) are arranged; a second air guide pipe (203) is arranged on one side of the air pump (201); a plurality of second air guide pipes (203) are arranged; a slot (204) is provided on the side of the second air guide pipe (203); a plurality of slots (204) are provided; The storage assembly (3) comprises an air storage tank (301) and a third air guide pipe (302); the third air guide pipe (302) is arranged below the air pump (201), and the air storage tank (301) is arranged below the third air guide pipe (302); The water guide assembly (4) comprises a liquid storage tank (401), a water guide pipe (402), a connecting pipe (403) and an atomizing nozzle (404); the liquid storage tank (401) is arranged outside the box body (1), the water guide pipe (402) is arranged inside the liquid storage tank (401), one end of the water guide pipe (402) is arranged with a connecting pipe (403), and one end of the connecting pipe (403) is arranged with an atomizing nozzle (404); The flow guide component (5) comprises a motor (501), a rotating shaft (502) and a stirring blade (503); the motor (501) is arranged above the box body (1), the rotating shaft (502) is arranged at the output end of the motor (501), and the stirring blade (503) is arranged outside the rotating shaft (502).

2. A stirring device for the Mannich condensation reaction of formaldehyde and propionaldehyde according to claim 1, characterized in that: The regulating component (6) comprises a power supply (601) and a heating rod (602); the power supply (601) is arranged below the box body (1), the power supply (601) is arranged in multiple groups, and the heating rod (602) is arranged above the power supply (601).

3. A stirring device for the Mannich condensation reaction of formaldehyde and propionaldehyde according to claim 1, characterized in that: The support assembly (7) comprises a mounting frame (701), a bracket (702) and a shock-absorbing pad (703); the mounting frame (701) is arranged on the outside of the box body (1), the bracket (702) is arranged below the mounting frame (701), and the shock-absorbing pad (703) is arranged at the lower end of the bracket (702).

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