CN211537702U - High-efficient heat transfer cracking system - Google Patents
High-efficient heat transfer cracking system Download PDFInfo
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- CN211537702U CN211537702U CN201922355500.8U CN201922355500U CN211537702U CN 211537702 U CN211537702 U CN 211537702U CN 201922355500 U CN201922355500 U CN 201922355500U CN 211537702 U CN211537702 U CN 211537702U
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- reation kettle
- schizolysis
- inlet pipe
- kettle
- pipe
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- 238000005336 cracking Methods 0.000 title claims abstract description 35
- 238000006243 chemical reaction Methods 0.000 claims abstract description 38
- 238000002156 mixing Methods 0.000 claims abstract description 28
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- 238000011084 recovery Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 24
- 210000003128 Head Anatomy 0.000 claims description 4
- 210000002445 Nipples Anatomy 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000005674 electromagnetic induction Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000005755 formation reaction Methods 0.000 claims 1
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000000197 pyrolysis Methods 0.000 abstract description 10
- 239000011550 stock solution Substances 0.000 abstract description 9
- 238000003756 stirring Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000002349 favourable Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- YXFVVABEGXRONW-UHFFFAOYSA-N toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 1
- 150000001345 alkine derivatives Chemical class 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- -1 ethylene, propylene, butadiene Chemical class 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000002093 peripheral Effects 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing Effects 0.000 description 1
- 230000001131 transforming Effects 0.000 description 1
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Abstract
The utility model relates to a high-efficient heat transfer schizolysis system, receive jar, schizolysis raffinate recovery jar, volute pump and hydrodynamic cavitation ware including mixed reation kettle, schizolysis reation kettle, product, mixed reation kettle, volute pump, hydrodynamic cavitation ware connect gradually through the pipeline and form the mixed circulation return circuit, the mixed circulation return circuit is connected with the schizolysis reation kettle through schizolysis reation kettle feed liquor pipe, the one end of schizolysis reation kettle's inlet pipe stretches into a plurality of shower nozzles of schizolysis reation kettle internal connection, around there being solenoid outside the schizolysis reation kettle, the pyrolysis gas exit linkage condenser at schizolysis reation kettle top, the condenser is received the jar with the product and is connected. The utility model carries out electromagnetic heating on the cracking reaction kettle, and has the advantages of fast hot start, high thermal efficiency and good heating uniformity; the reaction kettle does not need to be provided with a stirring device, and a mixing circulation loop is arranged to mix the reaction stock solution, so that the productivity is improved.
Description
Technical Field
The utility model relates to a chemical production technical field, concretely relates to high-efficient heat transfer schizolysis system.
Background
The pyrolysis reaction is widely applied in the petrochemical production process. The pyrolysis method commonly used in industrial production converts petroleum hydrocarbon into small molecular olefins, alkynes and aromatics, such as ethylene, propylene, butadiene, acetylene, benzene, toluene, etc., which are then used as raw materials for synthesis and production of other chemical products.
Traditional schizolysis heating need rely on reation kettle to press from both sides the cover and come the heat transfer, sets up the conduction oil in pressing from both sides the cover and heats, and the energy consumption is big, is difficult for the industry to enlarge to need use the stirring rod to stir reaction liquid during the heat transfer, in order to maintain heating temperature constancy.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects and provide a high-efficiency heat transfer cracking system which can electromagnetically heat a cracking reaction kettle and has the advantages of quick hot start, high thermal efficiency, good heating uniformity and the like; the electromagnetic heating coil does not generate heat, the thermal retardation is small, the accurate control of the temperature can be realized, and the amplification of the device and the improvement of the productivity can be easily realized by the electromagnetic heating; the reaction kettle does not need to be provided with a stirring device, and a mixing circulation loop is arranged to mix the reaction stock solution, so that the productivity is improved; the stock solution has two functions of preheating in the mixed circulation loop, so that the cracking efficiency is improved, and the generation of cracking gas is facilitated; secondly, the mixed stock solution is in a good mixed state, and the mixing effect is improved.
The purpose of the utility model is realized like this:
the utility model provides a high-efficient heat transfer schizolysis system, includes mixed reation kettle, schizolysis reation kettle, product receiving tank, schizolysis raffinate recovery tank, volute pump and hydrodynamic cavitation ware, mixed reation kettle, volute pump, hydrodynamic cavitation ware connect gradually through the pipeline and form the mixed circulation return circuit, the mixed circulation return circuit is connected with the schizolysis reation kettle through schizolysis reation kettle feed liquor pipe, the one end of schizolysis reation kettle's inlet pipe stretches into a plurality of shower nozzles of interior connection of schizolysis reation kettle, around there being solenoid outside the schizolysis reation kettle, the pyrolysis gas exit linkage condenser at schizolysis reation kettle top, the condenser is connected with the product receiving tank.
Preferably, a section of electromagnetic heating pipe is arranged on the mixed circulation loop, an electromagnetic induction coil is wound on the pipe wall of the electromagnetic heating pipe, and the electromagnetic heating pipe is arranged behind the hydraulic cavitator.
Preferably, the liquid inlet pipe of the cracking reaction kettle is arranged behind the electromagnetic heating pipe.
Preferably, cracking reaction kettle from up including the head, barrel, 90 cones and the nipple joint that set gradually down, solenoid coil coiling on the barrel, the inlet pipe setting is on 90 cones, the one end of inlet pipe stretches into cracking reaction kettle and perpendicular bending type becomes middle perpendicular inlet pipe downwards, middle perpendicular inlet pipe is located cracking reaction kettle's axis, a plurality of shower nozzles are connected to middle perpendicular inlet pipe's lower extreme, the shower nozzle is located the center of barrel height, just the shower nozzle is aimed at the barrel inner wall and is sprayed.
Preferably, mix the reation kettle bottom and be equipped with the liquid outlet, the top is equipped with the gas outlet, and the middle part of lateral wall is equipped with the backward flow mouth, the top of backward flow mouth is equipped with the overflow mouth, and the liquid distributor sets up the middle zone in mixing reation kettle and is connected with the backward flow mouth, and the cone mouth sets up the upper portion region in mixing reation kettle, the cone mouth is connected with the overflow mouth.
The utility model has the advantages that:
the utility model carries out electromagnetic heating on the cracking reaction kettle, and has the advantages of quick hot start, high thermal efficiency, good heating uniformity and the like; the electromagnetic heating coil does not generate heat, the thermal retardation is small, the accurate control of the temperature can be realized, and the amplification of the device and the improvement of the productivity can be easily realized by the electromagnetic heating; the reaction kettle does not need to be provided with a stirring device, and a mixing circulation loop is arranged to mix the reaction stock solution, so that the productivity is improved; the stock solution has two functions of preheating in the mixed circulation loop, so that the cracking efficiency is improved, and the generation of cracking gas is facilitated; secondly, the mixed stock solution is in a good mixed state, and the mixing effect is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic diagram of the structure of a cracking reactor.
FIG. 3 is a schematic diagram of the structure of a mixing reactor.
Wherein: a mixing reaction kettle 1; a liquid outlet 1.1; an air outlet 1.2; a reflux port 1.3; an overflow port 1.4; a liquid distributor 1.5; a cone opening 1.6; a cracking reaction kettle 2; a product receiving tank 3; a pyrolysis raffinate recovery tank 4; 2.1 of end enclosure; 2.2 of the cylinder body; a 90 degree cone 2.3; 2.4 of short section; a feed pipe 2.5; a middle vertical feeding pipe 2.5.1; 2.6 of a spray head; a heat-insulating layer 5; an electromagnetic coil 6; a condenser 7; a liquid outlet pipe 8; a peripheral pump 9; a hydrodynamic cavitator 10; an electromagnetic heating pipe 11; a mixing reaction kettle return pipe 12; a liquid inlet pipe 13 of the cracking reaction kettle; a heat exchanger 14; an overflow pipe 15; a recovery pipe 16; a discharge pipe 17.
Detailed Description
Referring to fig. 1-3, the utility model relates to a high-efficiency heat transfer cracking system, which comprises a mixing reaction kettle 1, a cracking reaction kettle 2, a product receiving tank 3 and a cracking residual liquid recovery tank 4, wherein the cracking reaction kettle 2 comprises a sealing head 2.1, a cylinder 2.2, a 90-degree cone 2.3 and a short section 2.4 which are arranged in sequence from bottom to top, a heat preservation layer 5 is arranged outside the cylinder 2.2, an electromagnetic coil 6 is wound outside the heat preservation layer 5, the electromagnetic coil 6 is connected with a power supply, so that the heat loss can be reduced well, the energy-saving effect is remarkable, the 90-degree cone 2.3 is provided with a feed pipe 2.5, one end of the feed pipe 2.5 extends into the cracking reaction kettle 2 and is bent downwards to form a middle vertical feed pipe 2.5.1, the middle vertical feed pipe 2.5.1 is positioned on the axis of the cracking reaction kettle 2, the lower end of the middle vertical feed pipe 2.5.1 is connected with a plurality of spray heads 2.6, the spray heads 2., and the 2.6 of shower nozzle aims at the 2.2 inner walls of barrel and sprays, nipple joint 2.4 connects condenser 7, condenser 7 is connected with product receiving tank 3, and the schizolysis raffinate flows out from head 2.1 bottom and gets into schizolysis raffinate recovery tank 4 through recovery tube 16.
The bottom of the mixing reaction kettle 1 is provided with a liquid outlet 1.1, the top of the mixing reaction kettle 1 is provided with a gas outlet 1.2, the middle part of the side wall is provided with a return port 1.3, an overflow port 1.4 is arranged above the return port 1.3, the liquid outlet 1.1 is sequentially connected with a vortex pump 9 and a hydraulic cavitator 10 through a liquid outlet pipe 8, the outlet of the hydraulic cavitator 10 is connected with an electromagnetic heating pipe 11, the electromagnetic heating pipe 11 is respectively connected with a mixing reaction kettle return pipe 12 and a cracking reaction kettle liquid inlet pipe 13, the pipe wall of the electromagnetic heating pipe 11 is also provided with a heat insulation layer 5, the heat insulation layer 5 is wound with an electromagnetic coil 6, and the cracking reaction kettle liquid inlet pipe 13 is connected with; liquid distributor 1.5 sets up the middle zone in mixing reation kettle 1 and is connected with backward flow mouth 1.3, and the upper portion region of bell 1.6 setting in mixing reation kettle 1, bell 1.6 is connected with overflow mouth 1.4, and overflow mouth 1.4 joins through overflow pipe 15 and pyrolysis raffinate recovery tank 4's discharging pipe 17, gets into next schizolysis, improves the schizolysis effect.
And a gas outlet 1.2 of the mixing reaction kettle 1 is connected with a heat exchanger 14, and circulating cooling water is introduced into the heat exchanger 14 and the condenser 7 for heat exchange.
Mixing reation kettle 1, volute pump 9, hydrodynamic cavitation ware 10 form the mixing circulation return circuit, through hydrodynamic cavitation, realize that the stoste before the schizolysis mixes, the stoste forms the mixed zone in mixing reation kettle 1 middle part region after liquid distributor 1.5 distributes, the stoste is concentration, temperature and velocity of flow evenly distributed on mixing reation kettle 1 horizontal direction, be favorable to the reaction in the retort to go on evenly, adopt calandria liquid distributor, be favorable to the enlargeing of retort, need not the agitator in the jar, greatly reduced the energy consumption. Stock solution in the upper area of the mixing reaction kettle 1 is far away from the mixing area, and overflow is discharged after the stock solution is static in the upper area.
The pipe wall of the electromagnetic heating pipe 11 is also provided with an insulating layer 5, the insulating layer 5 is wound with an electromagnetic coil 6, and the raw liquid in the mixed circulation loop is preheated and maintained at 40-50 ℃ so as to maintain a good temperature condition for hydrodynamic cavitation mixing; the electromagnetic coil on the cracking reaction kettle 2 is set to have the heating temperature of 500-; pyrolysis liquid enters the reaction kettle from the feeding pipe 2.5 to reach the nozzle at the center of the cylinder, after being sprayed out in a liquid drop state, the pyrolysis liquid is cracked on the inner wall of the reaction kettle, pyrolysis gas is discharged from the short section 2.4, and pyrolysis residual liquid is discharged from an outlet at the bottom.
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.
Claims (5)
1. An efficient heat transfer cracking system, characterized in that: including mixing reation kettle (1), schizolysis reation kettle (2), product receiving tank (3), schizolysis raffinate recovery tank (4), volute pump (9) and hydrodynamic cavitation ware (10), mixing reation kettle (1), volute pump (9), hydrodynamic cavitation ware (10) connect gradually through the pipeline and form mixed circulation circuit, mixed circulation circuit is connected with schizolysis reation kettle (2) through schizolysis reation kettle feed liquor pipe (13), the one end of inlet pipe (2.5) of schizolysis reation kettle (2) stretches into schizolysis reation kettle (2) in-connection a plurality of shower nozzles (2.6), schizolysis reation kettle (2) are around having solenoid (6) outward, schizolysis gas exit linkage condenser (7) at schizolysis reation kettle (2) top, condenser (7) are connected with product receiving tank (3).
2. A high efficiency heat transfer cracking system according to claim 1, wherein: the mixed circulation loop is provided with a section of electromagnetic heating pipe (11), the pipe wall of the electromagnetic heating pipe (11) is also wound with an electromagnetic induction coil, and the electromagnetic heating pipe (11) is arranged behind the hydraulic cavitator (10).
3. A high efficiency heat transfer cracking system according to claim 2, wherein: the liquid inlet pipe (13) of the cracking reaction kettle is arranged behind the electromagnetic heating pipe (11).
4. A high efficiency heat transfer cracking system according to claim 1, wherein: cracking reaction cauldron (2) are from up including head (2.1), barrel (2.2), 90 cone (2.3) and nipple joint (2.4) that set gradually down, and solenoid (6) coiling is on barrel (2.2), and inlet pipe (2.5) set up on 90 cone (2.3), the one end of inlet pipe (2.5) stretches into cracking reaction cauldron (2) and perpendicular inlet pipe (2.5.1) in the middle of downward vertical bending type formation, middle perpendicular inlet pipe (2.5.1) is located the axis of cracking reaction cauldron (2), a plurality of shower nozzles (2.6) are connected to the lower extreme of middle perpendicular inlet pipe (2.5.1), shower nozzle (2.6) are located the center of barrel (2.2) height, just shower nozzle (2.6) aim at barrel (2.2) inner wall injection.
5. A high efficiency heat transfer cracking system according to claim 1, wherein: mix reation kettle (1) bottom and be equipped with liquid outlet (1.1), the top is equipped with gas outlet (1.2), and the middle part of lateral wall is equipped with backward flow mouth (1.3), the top of backward flow mouth (1.3) is equipped with overflow mouth (1.4), and liquid distributor (1.5) set up the middle zone in mixing reation kettle (1) and be connected with backward flow mouth (1.3), and cone mouth (1.6) set up the upper portion region in mixing reation kettle (1), cone mouth (1.6) are connected with overflow mouth (1.4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922355500.8U CN211537702U (en) | 2019-12-25 | 2019-12-25 | High-efficient heat transfer cracking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922355500.8U CN211537702U (en) | 2019-12-25 | 2019-12-25 | High-efficient heat transfer cracking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211537702U true CN211537702U (en) | 2020-09-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922355500.8U Active CN211537702U (en) | 2019-12-25 | 2019-12-25 | High-efficient heat transfer cracking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211537702U (en) |
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2019
- 2019-12-25 CN CN201922355500.8U patent/CN211537702U/en active Active
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