CN212882340U - Novel cytosine high-pressure reaction reactor - Google Patents
Novel cytosine high-pressure reaction reactor Download PDFInfo
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- CN212882340U CN212882340U CN202021226765.4U CN202021226765U CN212882340U CN 212882340 U CN212882340 U CN 212882340U CN 202021226765 U CN202021226765 U CN 202021226765U CN 212882340 U CN212882340 U CN 212882340U
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Abstract
The utility model belongs to the technical field of high-pressure reactors, in particular to a novel cytosine high-pressure reaction reactor; the reactor comprises a reactor main body, wherein the reactor main body is provided with a circular tank bottom and a conical tank top, the bottom of the circular tank bottom is provided with a mixing outlet, a mixing ejector is arranged in the reactor main body and comprises a mixing inlet pipe and an external protective pipe, the lower part of the mixing inlet pipe is an inlet contraction section, the inlet contraction section is connected with a mixing pipe, the mixing pipe is connected with a connecting pipe section, the connecting pipe section is connected with a main contraction pipe, the main contraction pipe is connected with an intermediate pipe, the intermediate pipe is connected with a diffusion pipe, an air guide funnel is arranged on the external protective pipe at the joint of the intermediate pipe and the diffusion pipe, and the air; the upper part of the diffusion pipe is provided with a second air inlet through hole, the lower part of the external protective pipe is provided with a second gas inlet pipe, and the second gas inlet pipe is connected with a second gas material inlet; the utility model discloses carry out the multiple mixing to gaseous material and liquid material, improved gas-liquid mixture's effect and reaction efficiency, reduced manufacturing cost.
Description
Technical Field
The utility model belongs to the technical field of high-pressure reactor, concretely relates to novel reactor of cytosine high-pressure reaction.
Background
Cytosine is an important intermediate of fine chemical industry, pesticides and medicines, particularly in the field of medicines, is mainly used for synthesizing anti-AIDS drugs and anti-hepatitis B drugs, lamivudine, anticancer drugs, gemcitabine, enocitabine, 5-fluorocytosine and the like, is widely applied, a high-pressure reactor is required to be used for providing assistance for mixing and catalytic reaction of related materials in the production process of cytosine and an intermediate product thereof, when the intermediate product, namely cyanoacetaldehyde sodium salt, required for producing cytosine is synthesized, liquid materials, namely toluene, acetonitrile, sodium methoxide and ethanol are required to be fully mixed with gas materials, namely carbon monoxide, in the reactor, while the traditional kettle type reactor adopts a mode of inserted-bottom tube stirring, the air flow mixing is insufficient, the reaction is not high, therefore, the kettle type reactor can effectively improve the mixing degree of the related materials in the production process of cytosine and the intermediate product thereof, a novel reactor for high-pressure reaction of cytosine with improved reaction efficiency is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art, and provide a rational in infrastructure, convenient to use can effectively improve the mixed degree of relevant material in cytosine and the intermediate product production process, improves the novel reactor of cytosine high-pressure reaction of reaction efficiency.
The purpose of the utility model is realized like this: the novel cytosine high-pressure reaction reactor comprises a reactor main body, wherein a circular tank bottom is arranged at the bottom of the reactor main body, a conical tank top is arranged at the top of the reactor main body, a mixing outlet is arranged at the bottom of the circular tank bottom, a mixing ejector is arranged in the reactor main body and comprises a mixing inlet pipe, the mixing inlet pipe penetrates through the top surface of the conical tank top and is connected with a circulating material inlet, a first gas material inlet, a first liquid material inlet and a second liquid material inlet are formed in the left side surface of the conical tank top, and a third liquid material inlet and a fourth liquid material inlet are formed in the right side surface of the conical tank top; a second gas material inlet is formed in the middle of the reactor main body; the mixing ejector comprises an external protective pipe, the lower pipe section of the mixing inlet pipe penetrates through the top surface of the external protective pipe and extends into the external protective pipe, the lower pipe section of the mixing inlet pipe is an inlet contraction section with gradually contracted pipe diameter, the inlet contraction section is connected with a mixing pipe, a first air inlet through hole is formed in the side pipe wall of the mixing pipe, flow guide spiral plates are arranged outside the inlet contraction section and the mixing pipe, one side of the upper part of the external protective pipe is connected with a first gas inlet pipe, and the first gas inlet pipe is connected with a first gas material inlet; the mixing pipe is connected with a connecting pipe section, the connecting pipe section is connected with a main shrinkage pipe, the main shrinkage pipe is connected with a middle pipe, the middle pipe is connected with a diffusion pipe, an air guide funnel is arranged on the outer protective pipe corresponding to the connection position of the middle pipe and the diffusion pipe, the air guide funnel is connected with an air guide pipe, and the air guide pipe penetrates through the middle pipe and the pipe wall of the diffusion pipe; and a second air inlet through hole is formed in the pipe wall of the upper part of the diffusion pipe, a second gas inlet pipe is arranged at the lower part of the external protective pipe, and the second gas inlet pipe is connected with a second gas material inlet.
And a liquid level meter is arranged on the side surface of the reactor main body.
The first liquid material inlet, the second liquid material inlet, the third liquid material inlet and the fourth liquid material inlet penetrate through the side wall plate of the conical tank top and extend downwards to the middle of the reactor main body.
The first liquid material inlet, the second liquid material inlet, the third liquid material inlet, the fourth liquid material inlet and the second gas material inlet are all provided with companion flanges.
The first gas inlet pipe penetrates through the side wall plate of the external protective pipe and extends into a flow guide channel formed by the flow guide spiral plate.
The first air inlet through hole and the second air inlet through hole are inclined through holes.
And reinforcing plates connected with the external protective pipe are arranged on the lower part of the main shrinkage pipe and the upper part of the diffusion pipe.
The air duct is obliquely arranged downwards, and the air duct is a conical tube with the inner diameter gradually contracting.
The utility model has the advantages that: the utility model discloses a novel cytosine high-pressure reaction reactor, accessible first liquid material entry, second liquid material entry, third liquid material entry, fourth liquid material entry are carried the liquid material into reactor main part inside and are carried out the primary premix, the compounding of primary mixing is carried to the circulating material entry by the force (forcing) pump pressurization after the compounding export is handled through relevant equipment such as delivery pump, heat exchanger, high-speed high-pressure premix gets into the compounding sprayer through the compounding inlet tube, the velocity of flow grow behind the entry constriction segment of premix material, pressure reduces, form the torrent after getting into the mixing tube that the size obviously increases, with through the high-speed gas material that first gas material entry, first gas inlet tube, the water conservancy diversion passageway that the water conservancy diversion spiral board formed and first air inlet through-hole got into the mixing tube and carry out the first gas-liquid mixing, after the gas-liquid mixture fluid after a mixing gets into the intermediate tube through main constriction tube, the flow velocity is increased, an injection effect is formed in the process of passing through the diffusion pipe, the gas materials enter the diffusion pipe through the second gas material inlet, the second gas inlet pipe and the second gas inlet through hole and are mixed again, the pressure intensity is reduced due to the fact that the flow velocity is increased at the middle pipe, a low-pressure area is formed, the low-pressure area absorbs the gas materials which are not fully mixed with the liquid materials in the reactor main body and are dissipated through the gas guide pipe and the gas guide funnel, and the gas materials are injected into the middle pipe and the diffusion pipe to participate in the mixing with the liquid materials again; the utility model discloses utilize venturi to spray the principle, carry out the multiple mixing to gas material and liquid material, overall structure is reasonable, and convenient to use has improved gas-liquid mixture's effect and reaction efficiency, has reduced manufacturing cost.
Drawings
FIG. 1 is a schematic structural diagram of the novel cytosine high-pressure reaction reactor of the present invention.
FIG. 2 is a schematic structural diagram of a mixing ejector of the novel cytosine high-pressure reaction reactor of the present invention.
In the figure: 1. reactor main part 2, circular tank bottom 3, toper tank deck 4, circulation material entry 5, compounding sprayer 6, first gaseous material entry 7, first liquid material entry 8, second liquid material entry 9, third liquid material entry 10, fourth liquid material entry 11, level gauge 12, compounding export 13, intermediate pipe 14, connecting pipe section 15, first air inlet through-hole 16, first gas inlet pipe 17, outside pillar 18, compounding inlet pipe 19, entry constriction section 20, water conservancy diversion spiral plate 21, mixing tube 22, main shrink pipe 23, reinforcing plate 24, air guide funnel 25, air duct 26, second air inlet through-hole 27, diffuser 28, second gas inlet pipe 29, second gas material entry.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Example 1
As shown in fig. 1-2, a novel cytosine high-pressure reaction reactor comprises a reactor main body 1, wherein a circular tank bottom 2 is arranged at the bottom of the reactor main body 1, a conical tank top 3 is arranged at the top of the reactor main body 1, a mixing outlet 12 is arranged at the bottom of the circular tank bottom 2, a mixing ejector 5 is arranged inside the reactor main body 1, the mixing ejector 5 comprises a mixing inlet pipe 18, the mixing inlet pipe 18 penetrates through the top surface of the conical tank top 3 and is connected with a circulating material inlet 4, a first gas material inlet 6, a first liquid material inlet 7 and a second liquid material inlet 8 are arranged on the left side surface of the conical tank top 3, and a third liquid material inlet 9 and a fourth liquid material inlet 10 are arranged on the right side surface of the conical tank top 3; a second gas material inlet 29 is formed in the middle of the reactor main body 1; the mixing ejector 5 comprises an external protection pipe 17, the lower pipe section of the mixing inlet pipe 18 penetrates through the top surface of the external protection pipe 17 and extends into the external protection pipe 17, the lower pipe section of the mixing inlet pipe 18 is an inlet contraction section 19 with gradually contracted pipe diameter, the inlet contraction section 19 is connected with a mixing pipe 21, a first air inlet through hole 15 is formed in the side pipe wall of the mixing pipe 21, flow guide spiral plates 20 are arranged outside the inlet contraction section 19 and the mixing pipe 21, a first gas inlet pipe 16 is connected to one side of the upper part of the external protection pipe 17, and the first gas inlet pipe 16 is connected with the first gas material inlet 6; the mixing pipe 21 is connected with a connecting pipe section 14, the connecting pipe section 14 is connected with a main contraction pipe 22, the main contraction pipe 22 is connected with a middle pipe 13, the middle pipe 13 is connected with a diffusion pipe 27, an air guide funnel 24 is arranged on the outer protective pipe 17 corresponding to the connection part of the middle pipe 13 and the diffusion pipe 27, the air guide funnel 24 is connected with an air guide pipe 25, and the air guide pipe 25 penetrates through the pipe walls of the middle pipe 13 and the diffusion pipe 27; a second air inlet through hole 26 is formed in the wall of the upper portion of the diffusion pipe 27, a second gas inlet pipe 28 is formed in the lower portion of the outer protection pipe 17, and the second gas inlet pipe 28 is connected with a second gas material inlet 29.
The novel cytosine high-pressure reaction reactor can convey liquid materials into the reactor main body 1 through the first liquid material inlet 7, the second liquid material inlet 8, the third liquid material inlet 9 and the fourth liquid material inlet 10 to carry out primary mixing, the primarily mixed materials are conveyed to the circulating material inlet 4 from the mixed material outlet 12 after being processed by relevant equipment such as a conveying pump, a heat exchanger and the like through a pressurizing pump in a pressurizing way, high-speed and high-pressure premixed materials enter the mixed material ejector 5 through the mixed material inlet pipe 18, the flow rate of the premixed materials is increased after passing through the inlet contraction section 19, the pressure is reduced, turbulence is formed after entering the mixing pipe 21 with obviously increased size, and primary gas-liquid mixing is carried out on the high-speed gas materials which enter the mixing pipe 21 through the first gas material inlet 6, the first gas inlet pipe 16, a flow guide channel formed by the flow guide spiral plate 20 and the first gas inlet through hole 15, after the mixed gas-liquid mixed fluid enters the middle pipe 13 through the main shrinkage pipe 22, the flow rate is increased, an injection effect is formed in the process of passing through the diffusion pipe 27, the mixed gas-liquid mixed fluid is mixed with gas materials entering the diffusion pipe through the second gas material inlet 29, the second gas inlet pipe 28 and the second gas inlet through hole 26 again, the pressure at the middle pipe 13 is reduced due to the increase of the flow rate, and a low-pressure area is formed, and the low-pressure area absorbs the gas materials which are not fully mixed with the liquid materials and escape from the reactor main body 1 through the gas guide pipe 25 and the gas guide funnel 24 and injects the gas materials into the middle pipe 13 and the diffusion pipe 27 so as to participate in the mixing with the liquid materials again; the utility model discloses utilize venturi to spray the principle, carry out the multiple mixing to gas material and liquid material, overall structure is reasonable, and convenient to use has improved gas-liquid mixture's effect and reaction efficiency, has reduced manufacturing cost.
Example 2
As shown in fig. 1-2, a novel cytosine high-pressure reaction reactor comprises a reactor main body 1, wherein a circular tank bottom 2 is arranged at the bottom of the reactor main body 1, a conical tank top 3 is arranged at the top of the reactor main body 1, a mixing outlet 12 is arranged at the bottom of the circular tank bottom 2, a mixing ejector 5 is arranged inside the reactor main body 1, the mixing ejector 5 comprises a mixing inlet pipe 18, the mixing inlet pipe 18 penetrates through the top surface of the conical tank top 3 and is connected with a circulating material inlet 4, a first gas material inlet 6, a first liquid material inlet 7 and a second liquid material inlet 8 are arranged on the left side surface of the conical tank top 3, and a third liquid material inlet 9 and a fourth liquid material inlet 10 are arranged on the right side surface of the conical tank top 3; a second gas material inlet 29 is formed in the middle of the reactor main body 1; the mixing ejector 5 comprises an external protection pipe 17, the lower pipe section of the mixing inlet pipe 18 penetrates through the top surface of the external protection pipe 17 and extends into the external protection pipe 17, the lower pipe section of the mixing inlet pipe 18 is an inlet contraction section 19 with gradually contracted pipe diameter, the inlet contraction section 19 is connected with a mixing pipe 21, a first air inlet through hole 15 is formed in the side pipe wall of the mixing pipe 21, flow guide spiral plates 20 are arranged outside the inlet contraction section 19 and the mixing pipe 21, a first gas inlet pipe 16 is connected to one side of the upper part of the external protection pipe 17, and the first gas inlet pipe 16 is connected with the first gas material inlet 6; the mixing pipe 21 is connected with a connecting pipe section 14, the connecting pipe section 14 is connected with a main contraction pipe 22, the main contraction pipe 22 is connected with a middle pipe 13, the middle pipe 13 is connected with a diffusion pipe 27, an air guide funnel 24 is arranged on the outer protective pipe 17 corresponding to the connection part of the middle pipe 13 and the diffusion pipe 27, the air guide funnel 24 is connected with an air guide pipe 25, and the air guide pipe 25 penetrates through the pipe walls of the middle pipe 13 and the diffusion pipe 27; a second air inlet through hole 26 is formed in the wall of the upper portion of the diffusion pipe 27, a second gas inlet pipe 28 is formed in the lower portion of the outer protection pipe 17, and the second gas inlet pipe 28 is connected with a second gas material inlet 29.
For better effect, the side of the reactor main body 1 is provided with a liquid level meter 11, which can measure and display the liquid level of the mixed liquid in the reactor 1, so as to monitor and control the reaction.
For better effect, the first liquid material inlet 7, the second liquid material inlet 8, the third liquid material inlet 9 and the fourth liquid material inlet 10 penetrate through the side wall plate of the conical tank top 3 and extend downwards to the middle of the reactor main body 1, so that interference on the mixing injector 5 when the mixing injector is injected too high is avoided, and meanwhile, stability during simultaneous injection of multiple liquid materials is facilitated.
For better effect, the first liquid material inlet 7, the second liquid material inlet 8, the third liquid material inlet 9, the fourth liquid material inlet 10 and the second gas material inlet 29 are provided with mating flanges, so that connection with other corresponding pipelines is facilitated, and the situation that the interfaces do not correspond when in connection is avoided.
For better effect, the first gas inlet pipe 16 penetrates through the side wall plate of the outer protective pipe 17 and extends into the flow guiding channel formed by the flow guiding spiral plate 20, and the gas material can enter the outer protective pipe 17 through the first gas inlet pipe 16 and enter the mixing pipe 21 through the first gas inlet through hole 15 through the spiral downward flow guiding channel.
For better effect, the first air inlet through hole 15 and the second air inlet through hole 26 are inclined through holes, so that the gas material is mixed with the liquid material at an inclined downward angle, and the mixing efficiency with the liquid material is improved.
For better effect, the lower part of the main shrinkage pipe 22 and the upper part of the diffusion pipe 27 are both provided with a reinforcing plate 23 connected with the outer protective pipe 17, so as to structurally reinforce the reduced pipe diameter part and ensure the structural strength.
For better effect, the air duct 25 is arranged obliquely downwards, the air duct 25 is a conical tube with gradually contracted inner diameter, and the flow rate is increased in the process that the adsorbed escaped gas material enters the middle tube 13 and the diffusion tube 27 through the conical air duct 25 with gradually contracted inner diameter, so that the gas-liquid mixing effect is further improved.
The novel cytosine high-pressure reaction reactor can convey liquid materials into the reactor main body 1 through the first liquid material inlet 7, the second liquid material inlet 8, the third liquid material inlet 9 and the fourth liquid material inlet 10 to carry out primary mixing, the primarily mixed materials are conveyed to the circulating material inlet 4 from the mixed material outlet 12 after being processed by relevant equipment such as a conveying pump, a heat exchanger and the like through a pressurizing pump in a pressurizing way, high-speed and high-pressure premixed materials enter the mixed material ejector 5 through the mixed material inlet pipe 18, the flow rate of the premixed materials is increased after passing through the inlet contraction section 19, the pressure is reduced, turbulence is formed after entering the mixing pipe 21 with obviously increased size, and primary gas-liquid mixing is carried out on the high-speed gas materials which enter the mixing pipe 21 through the first gas material inlet 6, the first gas inlet pipe 16, a flow guide channel formed by the flow guide spiral plate 20 and the first gas inlet through hole 15, after the mixed gas-liquid mixed fluid enters the middle pipe 13 through the main shrinkage pipe 22, the flow rate is increased, an injection effect is formed in the process of passing through the diffusion pipe 27, the mixed gas-liquid mixed fluid is mixed with gas materials entering the diffusion pipe through the second gas material inlet 29, the second gas inlet pipe 28 and the second gas inlet through hole 26 again, the pressure at the middle pipe 13 is reduced due to the increase of the flow rate, and a low-pressure area is formed, and the low-pressure area absorbs the gas materials which are not fully mixed with the liquid materials and escape from the reactor main body 1 through the gas guide pipe 25 and the gas guide funnel 24 and injects the gas materials into the middle pipe 13 and the diffusion pipe 27 so as to participate in the mixing with the liquid materials again; the utility model discloses utilize venturi to spray the principle, carry out the multiple mixing to gas material and liquid material, overall structure is reasonable, and convenient to use has improved gas-liquid mixture's effect and reaction efficiency, has reduced manufacturing cost.
Claims (8)
1. The novel cytosine high-pressure reaction reactor comprises a reactor main body (1) and is characterized in that: the reactor is characterized in that a circular tank bottom (2) is arranged at the bottom of the reactor main body (1), a conical tank top (3) is arranged at the top of the reactor main body (1), a mixing outlet (12) is arranged at the bottom of the circular tank bottom (2), a mixing ejector (5) is arranged in the reactor main body (1), the mixing ejector (5) comprises a mixing inlet pipe (18), the mixing inlet pipe (18) penetrates through the top surface of the conical tank top (3) and is connected with a circulating material inlet (4), a first gas material inlet (6), a first liquid material inlet (7) and a second liquid material inlet (8) are arranged on the left side surface of the conical tank top (3), and a third liquid material inlet (9) and a fourth liquid material inlet (10) are arranged on the right side surface of the conical tank top (3); a second gas material inlet (29) is formed in the middle of the reactor main body (1); the mixing ejector (5) comprises an external protective pipe (17), the lower pipe section of the mixing inlet pipe (18) penetrates through the top surface of the external protective pipe (17) and extends into the external protective pipe, the lower pipe section of the mixing inlet pipe (18) is an inlet contraction section (19) with gradually contracted pipe diameter, the inlet contraction section (19) is connected with a mixing pipe (21), a first air inlet through hole (15) is formed in the side pipe wall of the mixing pipe (21), flow guide spiral plates (20) are arranged outside the inlet contraction section (19) and the mixing pipe (21), a first gas inlet pipe (16) is connected to one side of the upper part of the external protective pipe (17), and the first gas inlet pipe (16) is connected with the first gas material inlet (6); the mixing pipe (21) is connected with a connecting pipe section (14), the connecting pipe section (14) is connected with a main contraction pipe (22), the main contraction pipe (22) is connected with a middle pipe (13), the middle pipe (13) is connected with a diffusion pipe (27), an air guide funnel (24) is arranged on the outer protective pipe (17) corresponding to the connection part of the middle pipe (13) and the diffusion pipe (27), the air guide funnel (24) is connected with an air guide pipe (25), and the air guide pipe (25) penetrates through the pipe walls of the middle pipe (13) and the diffusion pipe (27); and a second air inlet through hole (26) is formed in the pipe wall of the upper part of the diffusion pipe (27), a second air inlet pipe (28) is arranged at the lower part of the external protection pipe (17), and the second air inlet pipe (28) is connected with a second air material inlet (29).
2. The novel high-pressure cytosine reaction reactor according to claim 1, characterized in that: the side surface of the reactor main body (1) is provided with a liquid level meter (11).
3. The novel high-pressure cytosine reaction reactor according to claim 1, characterized in that: the first liquid material inlet (7), the second liquid material inlet (8), the third liquid material inlet (9) and the fourth liquid material inlet (10) penetrate through the side wall plate of the conical tank top (3) and extend downwards to the middle of the reactor main body (1).
4. The novel high-pressure cytosine reaction reactor according to claim 1, characterized in that: the first liquid material inlet (7), the second liquid material inlet (8), the third liquid material inlet (9), the fourth liquid material inlet (10) and the second gas material inlet (29) are provided with mating flanges.
5. The novel high-pressure cytosine reaction reactor according to claim 1, characterized in that: the first gas inlet pipe (16) penetrates through the side wall plate of the outer protective pipe (17) and extends into a flow guide channel formed by the flow guide spiral plate (20).
6. The novel high-pressure cytosine reaction reactor according to claim 1, characterized in that: the first air inlet through hole (15) and the second air inlet through hole (26) are inclined through holes.
7. The novel high-pressure cytosine reaction reactor according to claim 1, characterized in that: and reinforcing plates (23) connected with the external protective pipe (17) are arranged at the lower part of the main shrinkage pipe (22) and the upper part of the diffusion pipe (27).
8. The novel high-pressure cytosine reaction reactor according to claim 1, characterized in that: the air duct (25) is obliquely arranged downwards, and the air duct (25) is a conical tube with gradually contracted inner diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021226765.4U CN212882340U (en) | 2020-06-29 | 2020-06-29 | Novel cytosine high-pressure reaction reactor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021226765.4U CN212882340U (en) | 2020-06-29 | 2020-06-29 | Novel cytosine high-pressure reaction reactor |
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| CN212882340U true CN212882340U (en) | 2021-04-06 |
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| CN202021226765.4U Active CN212882340U (en) | 2020-06-29 | 2020-06-29 | Novel cytosine high-pressure reaction reactor |
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