CN212982884U - Novel aromatic hydrocarbon extraction device - Google Patents
Novel aromatic hydrocarbon extraction device Download PDFInfo
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- CN212982884U CN212982884U CN202021393516.4U CN202021393516U CN212982884U CN 212982884 U CN212982884 U CN 212982884U CN 202021393516 U CN202021393516 U CN 202021393516U CN 212982884 U CN212982884 U CN 212982884U
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- 238000000605 extraction Methods 0.000 title claims abstract description 23
- 150000004945 aromatic hydrocarbons Chemical class 0.000 title abstract description 25
- 238000006243 chemical reaction Methods 0.000 claims abstract description 67
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 238000010992 reflux Methods 0.000 claims abstract description 38
- 230000001105 regulatory effect Effects 0.000 claims abstract description 22
- 125000003118 aryl group Chemical group 0.000 claims description 18
- 238000005192 partition Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 230000005611 electricity Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 23
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 17
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 15
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- 239000002904 solvent Substances 0.000 description 11
- 230000008018 melting Effects 0.000 description 10
- 238000002844 melting Methods 0.000 description 10
- 238000009835 boiling Methods 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 239000011550 stock solution Substances 0.000 description 3
- 238000009834 vaporization Methods 0.000 description 3
- 230000008016 vaporization Effects 0.000 description 3
- 239000008096 xylene Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000002322 conducting polymer Substances 0.000 description 2
- 229920001940 conductive polymer Polymers 0.000 description 2
- 239000006184 cosolvent Substances 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- -1 etc. Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012454 non-polar solvent Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model relates to a novel aromatic hydrocarbon extraction device, its technical scheme is: including the reaction tower body, the bonding of reaction tower outer wall electricity companion torrid zone, condenser top input is connected to reaction tower top output, condenser right side fixed mounting comdenstion water governing valve one, reflux tank top input is connected to condenser bottom output, reflux pump bottom input is connected to reflux tank bottom output, the backflow pipeline right-hand member is connected to reflux pump left side output, a solenoid valve fixed connection water tank is passed through at the backflow pipeline top, the input on reaction tower right side is connected to the backflow pipeline left end, the governing valve is installed with the reaction tower junction to the backflow pipeline, the beneficial effects of the utility model are that: the top of the return pipeline is fixedly connected with a water tank through a solenoid valve, the left end of the return pipeline is connected with the right input end of the reaction tower, a regulating valve is installed at the joint of the return pipeline and the reaction tower, and the water tank is used for injecting water into the reaction tower, so that the effect of separating aromatic hydrocarbons in the extraction system is improved.
Description
Technical Field
The utility model relates to a chemical industry equipment technical field, in particular to novel aromatic hydrocarbon extraction device.
Background
Aromatic hydrocarbon generally refers to hydrocarbon containing benzene ring structure in molecule, is one kind of closed chain type, has benzene ring basic structure, and has aromatic taste in the compounds discovered earlier in history, so these hydrocarbon substances are called aromatic hydrocarbon, later discovered hydrocarbons without aromatic taste are all called along this terminology, such as benzene, xylene, naphthalene, etc., aromatic hydrocarbon is insoluble in water, but soluble in organic solvent, such as diethyl ether, carbon tetrachloride, petroleum ether, etc., nonpolar solvent, generally aromatic hydrocarbon is lighter than water, boiling point increases with relative molecular mass, melting point is related to its structure besides relative molecular mass, usually para-isomer has higher melting point due to molecular symmetry, and aromatic extraction device is needed in aromatic hydrocarbon processing.
The prior art has the following defects: in the existing aromatic extraction, sulfolane is used as an extracting agent, a stripping tower is used for distilling an aromatic mixture to enter an extraction tower from top to bottom, molecular separation of the aromatic is realized in the extraction tower, the aromatic and sulfolane are subjected to solvent decomposition, the decomposed aromatic is directly extracted as a product, but in the actual production, the purity of the aromatic is only about 60%, the content of substances such as benzene, toluene, xylene and the like is more than 30%, and in a season with low air temperature, the melting point of pure sulfolane is about 28 ℃, and the solidification of a solidification solvent is quite easy to cause system blockage.
Therefore, the invention of a novel aromatic hydrocarbon extraction device is necessary.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a novel aromatic hydrocarbon extraction device forces backward flow liquid through opening the backwash pump, opens in the solenoid valve of water tank bottom adds a small amount of water and gets into the backflow pipeline, improves the selectivity to aromatic hydrocarbon to reduce its melting point and make stoste and sulfolane fully react, in order to solve the problem that improves sulfolane and dissolve aromatic.
In order to achieve the above object, the present invention provides the following technical solutions: novel aromatic hydrocarbon extraction device, including the reaction tower body, reaction tower outer wall bonding electricity companion tropical, condenser top input is connected to reaction tower top output, condenser right side fixed mounting comdenstion water governing valve one, reflux drum top input is connected to condenser bottom output, reflux drum bottom input is connected to reflux drum bottom output, the backflow pipeline right-hand member is connected to reflux drum left side output, a solenoid valve fixed connection water tank is passed through at the backflow pipeline top, reaction tower right side input is connected to the backflow pipeline left end, the governing valve is installed with the reaction tower junction to the backflow pipeline.
Preferably, the input end of the top of the reaction tower is fixedly provided with a feed regulating valve.
Preferably, the reaction tower inner wall central point puts fixed mounting baffle, baffle central point puts fixed mounting solenoid valve two, baffle bottom fixed mounting filter screen, the reaction tower is cut apart into stripping chamber and rectification chamber through the baffle.
Preferably, the bottom output end of the reaction tower is connected with the bottom input end of a reboiler, a condensate water regulating valve II is fixedly installed at the bottom of the right side of the reboiler, a steam regulating valve is fixedly installed at the top of the right side of the reboiler, and the top output end of the reboiler is connected with the right input end of the reaction tower.
Preferably, reaction tower bottom fixed mounting bleeder valve one, reaction tower left side central point puts fixed mounting bleeder valve two, reaction tower outer wall fixed mounting bleeder valve three, bleeder valve three is located bleeder valve two below, reaction tower outer wall fixed mounting bleeder valve four, bleeder valve four is located bleeder valve three below.
Preferably, the steam baffles are uniformly arranged on the inner wall of the reaction tower, and the supporting frames are fixedly arranged at the four corners of the bottom of the reaction tower.
The utility model has the advantages that:
1. the bottom output end of the reflux tank is connected with the bottom input end of the reflux pump, the left output end of the reflux pump is connected with the right end of the reflux pipeline, the top of the reflux pipeline is fixedly connected with a water tank through a first electromagnetic valve, the left end of the reflux pipeline is connected with the right input end of the reaction tower, a regulating valve is arranged at the joint of the reflux pipeline and the reaction tower, the water tank is used for injecting water into the reaction tower, a small amount of water is added into sulfolane to improve the selectivity of aromatic hydrocarbon and reduce the melting point of the sulfolane, the solvent is kept to have certain water content, the selectivity of the solvent is improved, the separation of aromatic hydrocarbon and non-aromatic hydrocarbon is facilitated, the water also plays the role of a cosolvent;
2. the outer wall of the reaction tower is adhered with the electric tracing band, so that the solvent is prevented from solidifying to block the system at a lower temperature, and the heat insulation performance is good.
Drawings
Fig. 1 is a schematic structural diagram provided by the present invention;
FIG. 2 is a schematic view of a reaction tower structure provided by the present invention;
FIG. 3 is an enlarged view of the point A in FIG. 1 according to the present invention;
fig. 4 is a schematic view of a constant temperature water tank according to embodiment 2 of the present invention.
In the figure: 100 reaction tower, 110 electric tracing band, 120 condenser, 125 condensed water regulating valve I, 130 reflux tank, 135 reflux pump, 140 reflux pipeline, 145 regulating valve, 150 water tank, 155 electromagnetic valve I, 160 feed regulating valve, 170 baffle, 172 electromagnetic valve II, 174 filter screen, 180 stripping cavity, 190 rectification cavity, 200 discharge valve I, 210 reboiler, 220 condensed water regulating valve II, 230 steam regulating valve, 240 discharge valve II, 250 discharge valve III, 260 discharge valve IV, 270 steam baffle, 280 support frame and 290 constant temperature water tank.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Embodiment 1, refer to fig. 1-3, the utility model provides a novel aromatic hydrocarbon extraction device, including the reaction tower 100 body, concretely, the outer wall of reaction tower 100 bonds electric tracing band 110, electric tracing band 110 comprises conducting polymer, two parallel metal conductors and insulating protective layer, it is characterized in that conducting polymer has very high positive temperature coefficient characteristic, and connect in parallel each other, can be along with the temperature variation of the system that is heated automatically regulated output power, the temperature of automatic restriction heating, can shorten wantonly or lengthen the use in certain extent, and allow many times cross overlapping and do not have the worry of high temperature hotspot and burning out, electric tracing band 110 opens electric tracing band when the temperature is lower and prevents the solvent solidification and the effect of jam system, the output of reaction tower 100 top connects condenser 120 top input, condenser 120 sets up as condenser DWN-25, the condenser condenses hydrocarbon and other chemical vapor in petrochemical industry, during distillation, the condenser takes away the heat of gas or vapor and operates, the effect of converting vapor into liquid is achieved, a condensate regulating valve 125 is fixedly installed on the right side of the condenser 120, the condensate regulating valve has the effect of controlling the overflow flow of liquid water formed by the vapor of the condenser 120 in the condensation process, the output end of the bottom of the condenser 120 is connected with the input end of the top of a reflux tank 130, a certain liquid level is arranged in the reflux tank 130 to continuously meet the reflux requirement, the reflux tank 130 has the effect of repeatedly distilling and improving the recovery rate, the output end of the bottom of the reflux tank 130 is connected with the input end of the bottom of a reflux pump 135, the output end of the left side of the reflux pump 135 is connected with the right end of a reflux pipeline 140, the reflux pump 135 is set to be a ZW self-priming reflux pump, the mechanical energy of a prime motor or other external energy is transmitted to liquid, the energy of the liquid is increased, the liquid is pumped into the tower to flow back, a reflux pump has the function of forcibly flowing back the liquid, the top of a reflux pipeline 140 is fixedly connected with a water tank 150 through an electromagnetic valve I155, the electromagnetic valve I155 is set to be a ZCLH stainless steel high-temperature electromagnetic valve G3/8-G2, a closed cavity is arranged in the electromagnetic valve, different oil discharge holes are opened or closed through controlling the movement of a valve body, the oil inlet hole is normally open, hydraulic oil can enter different oil discharge pipes, then a piston of an oil cylinder is pushed through the pressure of the oil, the piston drives a piston rod, the piston rod drives a mechanical device, the mechanical movement is controlled through controlling the on-off of the current of the electromagnet, the electromagnetic valve has the function of controlling the flow rate of water entering the reflux pipeline 140 from the water tank 150, the water tank 150 is used for, the melting point of the pure sulfolane is reduced, the melting point of the pure sulfolane is about 28 ℃, the pure sulfolane is quite easy to solidify, the melting point is rapidly reduced along with the increase of the water content, the water content of the commercially available sulfolane is 2-3%, the corresponding melting point is 13-10 ℃, desalted water can be supplemented as required when the liquid levels of a water drum of a return tank of a recovery tower and a water drum of a return tank of a non-aromatic distillation tower are reduced in normal production, the solvent has a certain water content, the selectivity of the solvent is improved, the separation of aromatic hydrocarbon and non-aromatic hydrocarbon is facilitated, the water also plays a role of a cosolvent, the water content of the solvent is kept stable by keeping a certain liquid level, the separation of the aromatic hydrocarbon of an extraction system is facilitated, the left end of a return pipeline 140 is connected with the right side input end of a reaction tower 100, an adjusting valve 145;
further, a feeding regulating valve 160 is fixedly installed at an input end of the top of the reaction tower 100, specifically, the feeding regulating valve 160 has an effect of adding stock solution and sulfolane, the sulfolane is a colorless transparent liquid, is an excellent aprotic polar solvent, can be mutually soluble with water, acetone, toluene and the like, and is also an ideal solvent in an aromatic hydrocarbon extraction process in petrochemical industry, the sulfolane is easy to decompose at high temperature, the decomposition speed is relatively slow below 220 ℃, but when the temperature exceeds 220 ℃, the decomposition speed rapidly rises along with the rise of the temperature, the excessively high temperature can promote the sulfolane to decompose and generate black polymers and sulfur dioxide, and when air exists, the amount of the released sulfur dioxide in a solvent system is more than that when no air exists due to the oxidation of the air;
further, a partition plate 170 is fixedly arranged at the center of the inner wall of the reaction tower 100, a second electromagnetic valve 172 is fixedly arranged at the center of the partition plate 170, specifically, the second electromagnetic valve 172 has the function of isolating gas and liquid, a filter screen 174 is fixedly arranged at the bottom of the partition plate 170, the filter screen 174 has the function of filtering impurities in the liquid, and the reaction tower 100 is divided into a stripping cavity 180 and a rectifying cavity 190 through the partition plate 170;
further, the output end of the bottom of the reaction tower 100 is connected with the input end of the bottom of the reboiler 210, specifically, the reboiler vaporizes the liquid again for heating vaporization, the reboiler is often used with a fractionating tower as a special heat exchanger capable of exchanging heat, and at the same time, there is a vaporization space, the liquid phase is provided from the tower bottom line to enter the reboiler, usually 25-30% of the liquid phase in the reboiler is vaporized, the vaporized two-phase flow is sent back to the fractionating tower, the gas phase component in the return tower passes upward through the tray, while the liquid phase component falls back to the tower bottom, the material is heated and expanded or even vaporized in the reboiler, the density is reduced, thus leaving the vaporization space, smoothly returning to the tower, returning to the gas-liquid two-phase in the tower, the gas phase passes upward through the tray, while the liquid phase falls to the tower bottom, having the function of constantly supplementing the liquid level of the vaporized part, a second condensate water regulating valve 220, the second condensed water regulating valve 220 has the function of controlling the flow rate of liquid water overflowing formed by steam of the reboiler 210 in the condensation process, the steam regulating valve 230 is fixedly installed at the top of the right side of the reboiler 210, the steam regulating valve takes compressed air as a power source, a cylinder as an actuator, and a valve is driven by virtue of accessories such as an electric valve positioner, a converter, an electromagnetic valve, a position-retaining valve and the like to realize switching value or proportional regulation, and receives a control signal of an industrial automatic control system to complete regulation of various process parameters such as the flow rate, the pressure, the temperature and the like of the reboiler, so that the control is simple, the reaction is fast, no additional explosion-proof measure is needed, and the output end of the top of the;
further, a first discharge valve 200 is fixedly installed at the bottom of the reaction tower 100, specifically, the first discharge valve 200 has an effect of discharging residual waste materials, a second discharge valve 240 is fixedly installed at the center of the left side of the reaction tower 100, benzene is evaporated when the boiling point of liquid reaches 80 ℃ when the rectification cavity 190 works, the second discharge valve 240 is opened to release benzene vapor, a third discharge valve 250 is fixedly installed on the outer wall of the reaction tower 100, the third discharge valve 250 is located below the second discharge valve 240, toluene is evaporated when the boiling point of liquid reaches 110 ℃ when the rectification cavity 190 works, the third discharge valve 250 is opened to release toluene vapor, a fourth discharge valve 260 is fixedly installed on the outer wall of the reaction tower 100, the fourth discharge valve 260 is located below the third discharge valve 250, xylene is evaporated when the boiling point of liquid reaches 140 ℃ when the rectification cavity 190 works, and the fourth discharge valve 260 is opened to release benzene vapor;
further, the inner wall of the reaction tower 100 is uniformly provided with the steam baffle 270, specifically, the steam baffle 270 has the function of prolonging the rising speed of the steam and increasing the steam concentration, the four corners at the bottom of the reaction tower 100 are fixedly provided with the support frames 280, and the support frames 280 have the function of supporting the reaction tower 100.
The utility model discloses a use as follows: when the utility model is used, the staff in the field adds the external power supply and the controller of the circuit component of the device, add stock solution and sulfolane into the reaction tower 100 through the feeding adjusting valve 160, open the electric tracing band 110 to keep the temperature of the reaction tower 100, open the reflux pump 135 to force the reflux liquid, open the first electromagnetic valve 155 at the bottom of the water tank 150 to add a small amount of water into the reflux pipeline 140, improve the selectivity of aromatic hydrocarbon, reduce the melting point of the aromatic hydrocarbon to ensure that the stock solution and the sulfolane fully react, open the second electromagnetic valve 172 after the circulation purification to ensure that the liquid enters the bottom of the reaction tower 100, open the reboiler 210 to carry out the circulation rectification reaction inside the reaction tower 100, the reboiler 210 heats the liquid into gas, open the second required discharge valve 240 when reaching a certain boiling point, and the third discharge valve 250 and the fourth discharge valve 260 release corresponding extracts, and after the extracts are finished, the first discharge valve 200 is opened to discharge waste materials.
Example 2:
referring to the attached fig. 4 of the specification, the novel aromatic hydrocarbon extraction device mentioned in this embodiment further comprises a constant temperature water tank 290;
further, the top of the return pipe 140 is fixedly connected with a constant temperature water tank 290 through a first electromagnetic valve 155, when the temperature is cold, hot water needs to be added, the specific heat of the water is larger than that of the air, the temperature change is not very large when the change fluctuation of the absorbed heat is large, the temperature of the water is not increased when the water is heated to the boiling point, and the temperature is easy to keep stable unless all the water is evaporated.
The implementation scenario is specifically as follows: in using the present invention, workers in the field need to replace the water tank 290 with a constant temperature water tank 290.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (7)
1. A novel aromatic extraction device comprises a reaction tower (100), and is characterized in that: reaction tower (100) outer wall bonding electric tracing area (110), condenser (120) top input is connected to reaction tower (100) top output, condenser (120) right side fixed mounting comdenstion water governing valve (125), reflux tank (130) top input is connected to condenser (120) bottom output, reflux pump (135) bottom input is connected to reflux tank (130) bottom output, backflow pipeline (140) right-hand member is connected to reflux pump (135) left side output, backflow pipeline (140) top is through solenoid valve (155) fixed connection water tank (150), reaction tower (100) right side input is connected to backflow pipeline (140) left end, governing valve (145) are installed with reaction tower (100) junction in backflow pipeline (140).
2. A novel aromatic extraction apparatus according to claim 1, characterized in that: and the input end at the top of the reaction tower (100) is fixedly provided with a feed regulating valve (160).
3. A novel aromatic extraction apparatus according to claim 1, characterized in that: a partition plate (170) is fixedly installed at the center of the inner wall of the reaction tower (100), a second electromagnetic valve (172) is fixedly installed at the center of the partition plate (170), a filter screen (174) is fixedly installed at the bottom of the partition plate (170), and the reaction tower (100) is divided into a stripping cavity (180) and a rectifying cavity (190) through the partition plate (170).
4. A novel aromatic extraction apparatus according to claim 1, characterized in that: the output end of the bottom of the reaction tower (100) is connected with the input end of the bottom of a reboiler (210), a condensate water regulating valve II (220) is fixedly installed at the bottom of the right side of the reboiler (210), a steam regulating valve (230) is fixedly installed at the top of the right side of the reboiler (210), and the output end of the top of the reboiler (210) is connected with the input end of the right side of the reaction tower (100).
5. A novel aromatic extraction apparatus according to claim 1, characterized in that: reaction tower (100) bottom fixed mounting bleeder valve (200), reaction tower (100) left side central point puts fixed mounting bleeder valve two (240), reaction tower (100) outer wall fixed mounting bleeder valve three (250), bleeder valve three (250) are located bleeder valve two (240) below, reaction tower (100) outer wall fixed mounting bleeder valve four (260), bleeder valve four (260) are located bleeder valve three (250) below.
6. A novel aromatic extraction apparatus according to claim 1, characterized in that: the inner wall of the reaction tower (100) is uniformly provided with steam baffles (270), and four corners at the bottom of the reaction tower (100) are fixedly provided with supporting frames (280).
7. A novel aromatic extraction apparatus according to claim 1, characterized in that: the top of the return pipeline (140) is fixedly connected with a constant temperature water tank (290) through a first electromagnetic valve (155).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021393516.4U CN212982884U (en) | 2020-07-15 | 2020-07-15 | Novel aromatic hydrocarbon extraction device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021393516.4U CN212982884U (en) | 2020-07-15 | 2020-07-15 | Novel aromatic hydrocarbon extraction device |
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| Publication Number | Publication Date |
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| CN212982884U true CN212982884U (en) | 2021-04-16 |
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| CN202021393516.4U Expired - Fee Related CN212982884U (en) | 2020-07-15 | 2020-07-15 | Novel aromatic hydrocarbon extraction device |
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Granted publication date: 20210416 |