CN210496407U - Reaction unit with high-efficient extrinsic cycle pipeline - Google Patents
Reaction unit with high-efficient extrinsic cycle pipeline Download PDFInfo
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- CN210496407U CN210496407U CN201921269077.3U CN201921269077U CN210496407U CN 210496407 U CN210496407 U CN 210496407U CN 201921269077 U CN201921269077 U CN 201921269077U CN 210496407 U CN210496407 U CN 210496407U
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Abstract
The utility model provides a reaction device with a high-efficiency external circulation pipeline, which comprises a reaction kettle and an external circulation reaction pipeline, wherein the bottom end of the reaction kettle is provided with a first discharge port, the side wall of the reaction kettle is provided with a second discharge port, the first discharge port is communicated with a liquid receiving tank, and the top of the reaction kettle is provided with a first feed port and a second feed port; the external circulation reaction pipeline comprises a reaction heat exchanger, the second discharge hole is communicated with the material feed hole of the reaction heat exchanger, and the material discharge hole of the reaction heat exchanger is communicated with the second feed hole. The utility model discloses a set up the mode of second discharge gate bottom reation kettle lateral wall for when the stirring rake motion produced the vortex, the liquid material can be followed the reation kettle lateral wall and arrange the material to the second discharge gate, makes outside circulation reaction feed more abundant, strengthens whole reaction effect, reduces the required power of external circulation pump simultaneously.
Description
Technical Field
The utility model belongs to the chemical industry reaction field especially relates to a reaction unit with high-efficient extrinsic cycle pipeline.
Background
In the chemical production process, the stirring in the reaction kettle is not enough to meet the reaction rate, and an external circulation reaction pipeline is usually arranged outside the reaction kettle, so that part of materials in the reaction kettle can enter the reaction kettle again through the external circulation reaction pipeline after leaving the reaction kettle, and the materials are stirred in the reaction kettle to accelerate the reaction between the materials;
in the prior art, in order to make the material enter the external circulation reaction pipeline, a discharge port is usually arranged at the bottom end of the reaction kettle, a three-way pipeline is used for communicating the discharge port with the liquid receiving tank and the external circulation pipeline, and a circulation pump is arranged on the external circulation pipeline, so that the material at the discharge port respectively enters the liquid receiving tank and the external circulation pipeline, but when the reaction materials are all liquid materials, the materials usually form vortex under the stirring action of a stirring paddle in the reaction kettle, the liquid materials flow along the inner wall of the reaction kettle, the materials are not convenient to discharge from the discharge port of the reaction kettle, therefore, in order to ensure the material supply in the external circulation reaction pipeline, the power of the circulation pump needs to be increased, the liquid materials are pumped out, meanwhile, in order to match the material discharge, the rotating speed of the stirring paddle in the reaction kettle needs to be reduced, which affects the reaction rate and the production efficiency among, is not beneficial to energy conservation and emission reduction in production.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a reaction unit with high-efficient extrinsic cycle pipeline to accelerate the reaction rate of material, make the reation kettle internal energy discharge the material that needs carry out the extrinsic cycle reaction fast.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a reaction device with a high-efficiency external circulation pipeline comprises a reaction kettle and the external circulation reaction pipeline, wherein a first discharge hole is formed in the bottom end of the reaction kettle, a second discharge hole is formed in the side wall of the reaction kettle, the first discharge hole is communicated with a liquid receiving tank, and a first feed hole and a second feed hole are formed in the top of the reaction kettle;
the external circulation reaction pipeline comprises a reaction heat exchanger, the second discharge hole is communicated with the material feed hole of the reaction heat exchanger, and the material discharge hole of the reaction heat exchanger is communicated with the second feed hole.
Furthermore, a rotating shaft is arranged in the reaction kettle along the axial direction of the reaction kettle, and a plurality of groups of stirring paddles are arranged in the length direction of the rotating shaft.
Further, the second discharge hole is formed between the stirring paddle at the lowest part and the stirring paddle adjacent to the stirring paddle.
Furthermore, the top end of the rotating shaft is connected with an output shaft of a motor, and the motor is a variable frequency motor.
Furthermore, the material inlet of the reaction heat exchanger is arranged at one end of the reaction heat exchanger, the material outlet is arranged at the other end of the reaction heat exchanger, the reaction heat exchanger further comprises a medium inlet and a medium outlet which are communicated with each other, and the medium inlet and the medium outlet are both arranged on the side wall of the reaction heat exchanger.
Furthermore, the medium inlet is arranged at one end of the reaction heat exchanger close to the material inlet, and the medium outlet is arranged at one end of the reaction heat exchanger close to the material outlet.
Further, reation kettle still includes the heat exchange tube, the heat exchange tube twines in the reation kettle lateral wall, just reation kettle bottom is arranged in to the heat transfer inlet of heat exchange tube, and the reation kettle top is arranged in to the heat transfer liquid outlet.
Furthermore, an exhaust port is formed in the top of the reaction kettle.
Furthermore, a flow meter is connected in series between the material outlet of the reaction heat exchanger and the second inlet.
Furthermore, a circulating pump is connected in series between the second discharge hole and the material feed inlet, and the circulating pump is a variable frequency liquid pump.
Compared with the prior art, the reaction device with the high-efficient extrinsic cycle pipeline has the following advantages:
the utility model adopts the mode of arranging the second discharge port on the side wall of the reaction kettle, so that when the stirring paddle moves to generate vortex, liquid materials can be discharged to the second discharge port along the side wall of the reaction kettle, so that the feeding in an outward circulation reaction pipeline is more sufficient, the outward circulation reaction effect is enhanced, the overall reaction effect is increased, and meanwhile, the power required by a circulating pump is reduced;
the second discharge hole is arranged between the heights of the two bottom stirring paddles, so that the smooth discharge of the second discharge hole is ensured, and meanwhile, the partially reacted materials are discharged into the material receiving tank along the first discharge hole;
the variable frequency motor is matched with the variable frequency liquid pump so as to control the reaction rate of the materials in the reaction kettle and the material reaction effect in the outer circulation reaction pipeline.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation.
In the drawings:
FIG. 1 is a general schematic view of the present invention;
FIG. 2 is a schematic view of the inner structure of the reaction vessel and the height limit position of the second discharge port.
Description of reference numerals:
1-a reaction kettle; 11-a first feed port; 12-a second feed port; 13-a first discharge port; 14-a second discharge port; 14 a-the upper limit position of the second discharge hole; 14 b-a second discharge port lower limit position; 15-an exhaust port; 16-a rotating shaft; 17-a stirring paddle; 2-reaction heat exchanger; 21-medium inlet; 22-medium outlet; 23-material feed inlet; 24-material discharge port; 25-a flow meter; 26-a circulating pump; 3-a variable frequency motor; 4-liquid receiving tank; 41-emptying the discharge hole; 42-liquid receiving feed inlet; 5-a thermometer; 6-a pressure gauge; 7-heat exchange tube; 71-a heat exchange liquid inlet; 72-heat exchange liquid outlet.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The reaction device with the high-efficiency external circulation pipeline of the utility model, as shown in fig. 1, comprises a reaction kettle 1 and an external circulation reaction pipeline, wherein a heat exchange pipe 7 is wound on the side wall of the reaction kettle 1, one end of the heat exchange pipe 7 is a heat exchange inlet 71, and the other end is a heat exchange outlet 72; the heat exchange liquid inlet 71 is arranged at the bottom of the reaction kettle 1, the heat exchange liquid outlet 72 is arranged at the top of the reaction kettle 1, a heat exchange medium flows in the heat exchange tube 7 in the direction from the heat exchange liquid inlet 71 to the heat exchange liquid outlet 72, and the materials in the reaction kettle 1 are heated or insulated, so that the environment in the reaction kettle 1 keeps the proper temperature for reaction;
as shown in fig. 2, a rotating shaft 16 is axially arranged in the reaction vessel 1 along the reaction vessel 1, a plurality of groups of stirring paddles 17 are arranged on the rotating shaft 16 along the length direction of the rotating shaft 16, a variable frequency motor 3 is arranged above the reaction vessel 1, the top end of the rotating shaft 16 is connected with an output shaft of the variable frequency motor 3, the bottom of the reaction vessel 1 is provided with a first discharge port 13 and a second discharge port 14, the first discharge port 13 is arranged under the reaction vessel 1, the second discharge port 14 is arranged on the side wall of the reaction vessel 1, the second discharge port 14 is arranged between the lowest stirring paddle 17 and the stirring paddle 17 adjacent to the lowest stirring paddle 17, exemplarily, as shown in fig. 2, the second discharge port 14 may be located at an upper limit position 14a of the second discharge port, a lower limit position 14b of the second discharge port or between two limit positions (14a and 14b), the first discharge port 13 is communicated with a liquid receiving tank 4, the second discharge hole 14 is communicated with the reaction heat exchanger 2, the top of the reaction kettle 1 is provided with a first feed hole 11 and a second feed hole 12, and the first feed hole 11 and the second feed hole 12 are respectively arranged on the peripheral side of the variable frequency motor 3;
the external circulation reaction pipeline comprises a reaction heat exchanger 2, which comprises a tube pass and a shell pass, wherein the tube pass is used for circulating reaction materials, the shell pass is used for circulating heat exchange media, a material inlet 23 and a material outlet 24 are arranged at two ends of the tube pass, a medium inlet 21 and a medium outlet 22 are respectively arranged at two ends of the shell pass, the material inlet 23 is arranged at the bottom end of the reaction heat exchanger 2, the material outlet 24 is arranged at the top end of the reaction heat exchanger 2, the medium inlet 21 is arranged at the bottom of the side wall of the reaction heat exchanger 2 and is close to the material inlet 23, the medium outlet 22 is arranged at the top of the side wall of the reaction heat exchanger 2 and is close to the material outlet 24, so that heat exchange media enter the shell pass from the bottom of the reaction heat exchanger 2, are separated; the material inlet 23 is connected with the second material outlet 14, and a circulating pump 26 is connected in series between the material inlet 23 and the second material outlet 14, so that the liquid material in the reaction kettle 1 flows into the reaction heat exchanger 2; the material outlet 24 is communicated with the second inlet 12, and a flow meter 25 is arranged between the material outlet 24 and the second inlet 12.
The motor at the top of the rotating shaft 16 of the reaction kettle 1 is a variable frequency motor 3, and the circulating pump 26 connected with the second discharge port 14 is a variable frequency liquid pump.
As shown in fig. 1, the top of the reaction kettle 1 is further provided with an exhaust port 15 for exhausting gas generated by the reaction of the materials in the reaction kettle 1, so that the air pressure in the reaction kettle 1 is balanced, the reaction quality is ensured, and the danger caused by overhigh air pressure is prevented.
A thermometer 5 is arranged in the reaction kettle 1 and used for measuring the temperature in the reaction kettle 1; a pressure gauge 6 is arranged in the reaction kettle 1 and used for measuring the air pressure in the reaction kettle 1.
The top of the liquid receiving tank 4 is provided with a liquid receiving feed port 42 and an emptying discharge port 41, the liquid receiving feed port 42 is communicated with the first discharge port 13, and the emptying discharge port 41 is used for emptying the materials in the liquid receiving tank 4.
All communicate through the pipeline between each mouth of pipe, feed inlet and the discharge gate that above-mentioned communicate each other.
Reaction unit with high-efficient extrinsic cycle pipeline, in operation, will treat that reaction material adds reation kettle 1 from first feed inlet 11 in, stir reaction material through the stirring rake 17 in reation kettle 1, accelerate reaction rate, simultaneously because the stirring of stirring rake 17, liquid material forms the vortex in reation kettle 1, the material is hugged closely in 1 inner wall centrifugal motion of reation kettle, the part is that centrifugal motion's material flows reation kettle 1 along 14 outflow reation heat exchanger 2 tube side of second discharge gate, and carry out the heat exchange with the heat transfer medium in the 2 shell sides of reation heat exchanger, later flow back in reation kettle 1. In the centrifugal movement process of the materials, part of the materials are discharged out of the reaction kettle 1 along the first discharge port 13 and flow into the liquid receiving tank 4, in the process, the power of the variable frequency motor 3 is adjusted to change the rotating speed of the stirring paddle 17, the vortex effect of the materials in the reaction kettle 1 is adjusted, and the vortex effect is matched with a variable frequency liquid pump to control the amount of the materials entering the external circulation reaction pipeline and the liquid receiving tank 4; when less materials are needed to enter the outer circulation reaction pipeline, the power of the variable frequency motor 3 is reduced, so that the rotating speed of the rotating shaft 16 is reduced, the vortex effect in the reaction kettle 1 is weakened, the materials flowing through the first discharge hole 13 are increased, the materials flowing through the second discharge hole 14 are reduced, the power of the variable frequency liquid pump is reduced, and the flowing speed of the liquid in the outer circulation reaction pipeline is reduced.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A reaction device with a high-efficiency external circulation pipeline is characterized in that: the device comprises a reaction kettle (1) and an external circulation reaction pipeline, wherein a first discharge hole (13) is formed in the bottom end of the reaction kettle (1), a second discharge hole (14) is formed in the side wall of the reaction kettle (1), the first discharge hole (13) is communicated with a liquid receiving tank (4), and a first feed hole (11) and a second feed hole (12) are formed in the top of the reaction kettle (1);
the outer circulation reaction pipeline comprises a reaction heat exchanger (2) which comprises a material feeding hole and a material discharging hole which are communicated with each other, a second discharging hole (14) is communicated with a material feeding hole (23) of the reaction heat exchanger (2), and a material discharging hole (24) of the reaction heat exchanger (2) is communicated with a second feeding hole (12).
2. The reactor apparatus with high efficiency external circulation line according to claim 1, wherein: a rotating shaft (16) is axially arranged in the reaction kettle (1), and a plurality of groups of stirring paddles (17) are arranged in the length direction of the rotating shaft (16).
3. The reactor apparatus with high efficiency external circulation line according to claim 2, wherein: the second discharge hole (14) is arranged between the stirring paddle (17) at the lowest part and the stirring paddle (17) adjacent to the stirring paddle.
4. The reactor apparatus with high efficiency external circulation line according to claim 2, wherein: the top end of the rotating shaft (16) is connected with an output shaft of a motor, and the motor is a variable frequency motor (3).
5. The reactor apparatus with high efficiency external circulation line according to claim 1, wherein: the reaction heat exchanger is characterized in that a material feeding hole (23) of the reaction heat exchanger (2) is arranged at one end of the reaction heat exchanger (2), a material discharging hole (24) is arranged at the other end of the reaction heat exchanger (2), the reaction heat exchanger (2) further comprises a medium liquid inlet (21) and a medium liquid outlet (22) which are communicated with each other, and the medium liquid inlet (21) and the medium liquid outlet (22) are arranged on the side wall of the reaction heat exchanger (2).
6. The reactor apparatus with high efficiency external circulation line according to claim 5, wherein: the medium liquid inlet (21) is arranged at one end of the reaction heat exchanger (2) close to the material liquid inlet, and the medium liquid outlet (22) is arranged at one end of the reaction heat exchanger (2) close to the material discharge hole (24).
7. The reactor apparatus with high efficiency external circulation line according to claim 1, wherein: reation kettle (1) still includes heat exchange tube (7), heat exchange tube (7) twine in reation kettle (1) lateral wall, just reation kettle (1) bottom is arranged in heat transfer inlet (71) of heat exchange tube (7), and reation kettle (1) top is arranged in heat transfer liquid outlet (72).
8. The reactor apparatus with high efficiency external circulation line according to claim 1, wherein: the top of the reaction kettle (1) is provided with an exhaust port (15).
9. The reactor apparatus with high efficiency external circulation line according to claim 1, wherein: and a flow meter (25) is connected in series between the material outlet (24) of the reaction heat exchanger (2) and the second inlet (12).
10. The reactor apparatus with high efficiency external circulation line according to claim 1, wherein: and a circulating pump (26) is connected in series between the second discharge hole (14) and the material feed hole (23), and the circulating pump (26) is a variable frequency liquid pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921269077.3U CN210496407U (en) | 2019-08-07 | 2019-08-07 | Reaction unit with high-efficient extrinsic cycle pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921269077.3U CN210496407U (en) | 2019-08-07 | 2019-08-07 | Reaction unit with high-efficient extrinsic cycle pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210496407U true CN210496407U (en) | 2020-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921269077.3U Active CN210496407U (en) | 2019-08-07 | 2019-08-07 | Reaction unit with high-efficient extrinsic cycle pipeline |
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| Country | Link |
|---|---|
| CN (1) | CN210496407U (en) |
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- 2019-08-07 CN CN201921269077.3U patent/CN210496407U/en active Active
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