CN112473165A - Efficient fractionating tower system - Google Patents
Efficient fractionating tower system Download PDFInfo
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- CN112473165A CN112473165A CN202011227332.5A CN202011227332A CN112473165A CN 112473165 A CN112473165 A CN 112473165A CN 202011227332 A CN202011227332 A CN 202011227332A CN 112473165 A CN112473165 A CN 112473165A
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- tower body
- rotating rod
- central axis
- fixedly connected
- gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
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- Chemical Kinetics & Catalysis (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses an efficient fractionating tower system which comprises a tower body and a rotating rod, wherein an air inlet is fixedly connected to the lower portion of the left side of the tower body, a liquid outlet is fixedly connected to the right side of the lower end of the tower body, a grid plate is fixedly connected to the lower end of the interior of the tower body, rotary tables are fixedly connected to the left side and the right side of the rotating rod, the rotating rod is located on the left side of a fixed plate, and a bearing is fixedly connected to the lower end of the rotating rod. This efficient fractionating tower system, the effect that has high-efficient backward flow, for avoiding the gaseous admission air of misce bene, cause the loss of material, condenser pipe and the material back flow of setting, can reduce the bulk loss of material, reduce the cost of fractionation, inside agitating unit can make the area of mutual contact between liquid and the gas increase, thereby improve the effect of fractionation, the effect of high temperature steam makes the efficiency of gas-liquid structure improve, avoid the higher material of melting point to be difficult for fractionating, realize the efficient and fractionate, and the material quality of fractionating is high.
Description
Technical Field
The invention relates to the technical field of fractionating towers, in particular to a high-efficiency fractionating tower system.
Background
The fractionating tower distills the mixture of two volatile liquids, the gas phase and the liquid phase reach equilibrium at boiling temperature, the vapor from the fractionating tower contains more volatile substance components, the vapor is condensed into liquid, the composition of the liquid is equal to that of the gas phase, and the residue contains more high boiling point components which are difficult to volatilize, that is, a simple distillation is carried out.
The existing fractionating tower is complex in structure, limited in fractionating efficiency and limited in contact area of light liquid and heavy liquid, so that in the fractionating process, the quality of fractionation is reduced, the gas-liquid mixture lost in fractionation cannot be well recycled and fractionated again, the loss of materials is easily increased, the fractionating cost is improved, the fractionating tower is not suitable for fractionating large-amount materials, the using requirements of people cannot be well met, and technical innovation is performed on the basis of the existing fractionating tower according to the condition.
Disclosure of Invention
The invention aims to provide an efficient fractionating tower system, which aims to solve the problems that the existing fractionating tower provided by the background art has a complex structure, limited fractionating efficiency and limited contact area of light liquid and heavy liquid, so that the fractionating quality is reduced in the fractionating process, a gas-liquid mixture lost in the fractionation cannot be well recycled and fractionated again, the loss of materials is easily increased, the fractionating cost is increased, the fractionating tower system is not suitable for fractionating large-amount materials, and the use requirements of people cannot be well met.
In order to achieve the purpose, the invention provides the following technical scheme: an efficient fractionating tower system comprises a tower body and a rotating rod, wherein an air inlet is fixedly connected to the lower side of the left side of the tower body, a liquid outlet is fixedly connected to the right side of the lower end of the tower body, a grid plate is fixedly connected to the lower end of the inner portion of the tower body, a fixing plate is arranged above the grid plate in parallel, rotary plates are fixedly connected to the left side and the right side of the rotating rod, the rotating rod is located on the left side of the fixing plate, a bearing is fixedly connected to the lower end of the rotating rod, a speed reduction motor group is fixedly connected to the upper portion of the rotating rod, a high-temperature steam guide pipe is movably connected to the right side of the lower end of the tower body, a heater is movably connected to the lower end of the high-temperature steam guide pipe, a support is movably connected to the lower end of the heater, a liquid inlet is fixedly connected to the upper end of the tower, the front end fixedly connected with safety valve of material gas mixture export, and the right side swing joint of material gas mixture export has the condenser pipe, the right side lower extreme of condenser pipe is provided with the material back flow.
Preferably, the central axis of the tower body coincides with the central axis of the rotating rod, and the rotating disks are symmetrical about the central axis of the rotating rod.
Preferably, the rotating rod forms a rotating structure through the speed reduction motor set and the bearing, and the central axis of the rotating rod coincides with the central axis of the tower body.
Preferably, the fixed plate is installed in the inside of tower body in equidistance form, and parallels between the axis of tower body and the axis of heater.
Preferably, the lower surface of closing cap closely laminates with the upper surface of tower body between, and coincides between the axis of closing cap and the axis of gear motor group.
Preferably, be 90 between the axis of air inlet and the tower body outer wall, and it is symmetrical about the axis of tower body between baroceptor and the material mist export.
Preferably, the central axis of the material return pipe is parallel to the central axis of the high-temperature steam conduit, and the central axis of the material return pipe is 90 degrees to the outer wall of the tower body.
Compared with the prior art, the invention has the following beneficial effects:
1. through the arrangement of the tower body, the air inlet, the liquid outlet, the grid plate, the fixed plate, the rotating rod, the rotating disk and the bearing, when the fractionating tower is used, air is introduced into the bottom through the air inlet, the liquid outlet can realize drainage and collection of materials with high density and mass after fractionation, the grid plate and the fixed plate can play a role in buffering liquid and gas in the fractionation process, the phenomenon that the impact pressure is too high and the internal pressure of the tower body is too high to increase the potential safety hazard is avoided, after the air and the liquid are simultaneously introduced into the tower for contact, in order to improve the contact area of the mixture between the air and the liquid, the speed reduction motor set can be started, and is slowly started to drive the rotating rod and the rotating disk to rotate, so that the;
2. through the arrangement of the high-temperature steam guide pipe, the heater, the bracket, the liquid inlet and the sealing cover, liquid is guided in from the liquid inlet at the upper part of the tower body, the sealing cover is closed at the same time, so that the air tightness in the tower is good during fractionation, the heater is started after the installation is finished, high-pressure steam generated by heating the inside of the heater is guided into the inside of the tower body through the high-temperature steam guide pipe, the temperature of the high-pressure steam is high, the material can be dissolved, the material molecules with high melting points are prevented from being difficult to fractionate, and;
3. through baroceptor, subtract coarse electric machine group, the export of material gas mixture, safety valve, the setting of condenser pipe and material back flow, make in the process of fractionating high temperature steam enter the tower in can increase the pressure in the tower, in order to avoid the too big emergence that easily increases the potential safety hazard of tower internal pressure, it can monitor tower internal pressure in real time to set up baroceptor, start safety valve and derive high temperature gas material after the reaction is accomplished, reduce the pressure in the tower, make liquid normally flow, the condenser pipe on upper portion condenses the gas material simultaneously, liquefy the material in the gas, reduce the loss of material.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic front view of the external structure of the present invention;
FIG. 3 is a schematic side view of the present invention;
fig. 4 is a schematic top view of the present invention.
In the figure: 1. a tower body; 2. an air inlet; 3. a liquid outlet; 4. a grid plate; 5. a fixing plate; 6. a rotating rod; 7. a turntable; 8. a bearing; 9. a high temperature steam conduit; 10. a heater; 11. a support; 12. a liquid inlet; 13. sealing the cover; 14. an air pressure sensor; 15. a speed reduction motor group; 16. a material mixed gas outlet; 17. a safety valve; 18. a condenser tube; 19. a material return pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a high-efficiency fractionating tower system comprises a tower body 1 and a rotating rod 6, wherein an air inlet 2 is fixedly connected below the left side of the tower body 1, a liquid outlet 3 is fixedly connected on the right side of the lower end of the tower body 1, a grid plate 4 is fixedly connected at the lower end inside the tower body 1, a fixing plate 5 is arranged above the grid plate 4 in parallel, rotary tables 7 are fixedly connected on the left side and the right side of the rotating rod 6, the rotating rod 6 is positioned on the left side of the fixing plate 5, a bearing 8 is fixedly connected at the lower end of the rotating rod 6, a speed reduction motor set 15 is fixedly connected above the rotating rod 6, a high-temperature steam guide pipe 9 is movably connected on the right side of the lower end of the tower body 1, a heater 10 is movably connected at the lower end of the high-temperature steam guide pipe 9, a support 11 is movably connected at the lower end of the heater 10, a liquid inlet 12 is fixedly connected, and the right side of the sealing cover 13 is fixedly connected with a material mixed gas outlet 16, the front end of the material mixed gas outlet 16 is fixedly connected with a safety valve 17, the right side of the material mixed gas outlet 16 is movably connected with a condensing pipe 18, and the lower end of the right side of the condensing pipe 18 is provided with a material return pipe 19.
In the invention: the central axis of the tower body 1 is coincided with the central axis of the rotating rod 6, and the rotating discs 7 are symmetrical about the central axis of the rotating rod 6; when the device is used, gas is introduced into the bottom of the device through the gas inlet 2, and the liquid outlet 3 can realize drainage and collection of materials with high density and mass after fractionation.
In the invention: the rotating rod 6 forms a rotating structure with the bearing 8 through the speed reducing motor set 15, and the central axis of the rotating rod 6 is superposed with the central axis of the tower body 1; after gas and liquid are simultaneously guided into the tower to be contacted, in order to improve the contact area of the mixture between the gas and the liquid, the speed reduction motor set 15 can be started, and the speed reduction motor set 15 is slowly started to drive the rotating rod 6 and the rotating disc 7 to rotate, so that the purpose of fractionating mass transfer is strengthened.
In the invention: the fixed plates 5 are arranged in the tower body 1 in an equidistant manner, and the central axis of the tower body 1 is parallel to the central axis of the heater 10; the grid plate 4 and the fixing plate 5 can play a role in buffering liquid and gas in the fractionation process, and the phenomenon that the impact pressure caused by the overlarge pressure intensity inside the tower body 1 increases the potential safety hazard is avoided.
In the invention: the lower surface of the sealing cover 13 is tightly attached to the upper surface of the tower body 1, and the central axis of the sealing cover 13 is superposed with the central axis of the speed reducing motor set 15; leading-in with liquid from liquid import 12 on tower body 1 upper portion closes closing cover 13 simultaneously and guarantees that the gas tightness in the tower is good when the fractionation, and installation is accomplished after start-up heater 10, and the high-pressure steam that heater 10 internal heating produced passes through the inside of high temperature steam pipe 9 leading-in tower body 1, and high-pressure steam temperature is higher, can realize the dissolution to the material, avoids the difficult fractionation of the higher material molecule of melting point to fractional effect has been improved.
In the invention: the central axis of the air inlet 2 and the outer wall of the tower body 1 form an angle of 90 degrees, and the air pressure sensor 14 and the material mixed gas outlet 16 are symmetrical about the central axis of the tower body 1; the pressure sensor 14 is arranged to monitor the pressure in the tower in real time, and the safety valve 17 is started to lead out high-temperature gas after the reaction is finished, so that the pressure in the tower is reduced, and liquid normally flows out.
In the invention: the central axis of the material return pipe 19 is parallel to the central axis of the high-temperature steam conduit 9, and the central axis of the material return pipe 19 is 90 degrees to the outer wall of the tower body 1; in the fractionation process, the pressure in the tower can be increased when high-temperature steam enters the tower, and in order to avoid the occurrence that the potential safety hazard is easily increased when the pressure in the tower is too high, the condensing pipe 18 on the upper part condenses the gas material, liquefies the material in the gas and reduces the loss of the material.
The working principle of the high-efficiency fractionating tower system is as follows: firstly, gas is introduced into the bottom of the tower body through the gas inlet 2, and simultaneously liquid is introduced from the liquid inlet 12 at the upper part of the tower body 1, and the sealing cover 13 is closed to ensure that the air tightness in the tower is good during fractionation;
secondly, after the installation is finished, a heater 10 (model: NDK25-16BR) is started, high-pressure steam generated by heating inside the heater 10 is introduced into the interior of the tower body 1 through a high-temperature steam guide pipe 9, the temperature of the high-pressure steam is high, the material can be dissolved, and the problem that material molecules with high melting points are not easy to fractionate is avoided; secondly, after the gas and the liquid are simultaneously introduced into the tower to be contacted, in order to improve the contact area of the mixture between the gas and the liquid, a speed reducing motor set 15 (model: ZWBPD00-6) can be started, the speed reducing motor set 15 is slowly started to drive the rotating rod 6 and the rotating disc 7 to rotate, and the purpose of enhancing fractionation mass transfer is achieved; then the grid plate 4 and the fixed plate 5 can play a role in buffering liquid and gas in the fractionation process, so that overlarge impact pressure is avoided;
finally, the pressure sensor 14 can monitor the pressure in the tower in real time, the safety valve 17 is started to lead out high-temperature gas after the reaction is finished, the pressure in the tower is reduced, so that liquid normally flows out, meanwhile, the upper condensation pipe 18 (the type: KWDM-12YT-03) condenses the gas, the material in the gas is liquefied, and the loss of the material is reduced.
In one embodiment, the fractionation column system further comprises an automated control system for performing the operations of:
the maximum flow rate Vt of the gas in the gas inlet 2 is determined according to the following formula:
wherein V is the volume of the fractionating tower, R is a preset gas constant, T is the kelvin temperature in the fractionating tower, D is the diameter of the gas inlet 2, P is the maximum pressure that the fractionating tower can bear, and Pt is the pressure of the fractionating tower obtained by the pressure sensor 14 at time T;
wherein k istThe calculation formula of (a) is as follows:
it can be seen that the maximum flow rate Vt of the inlet gas is:
that is, when the pressure of the fractionating tower is measured as Pt, the flow rate of the gas at the gas inlet is controlled not to exceed Vt.
Therefore, the pressure in the fractionating tower can be effectively prevented from being too high, so that safety accidents are caused, and meanwhile, the whole process can be carried out safely and controllably without interrupting the shunting process.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An efficient fractionating tower system comprises a tower body (1) and a rotating rod (6), and is characterized in that: the lower part of the left side of the tower body (1) is fixedly connected with an air inlet (2), the right side of the lower end of the tower body (1) is fixedly connected with a liquid outlet (3), the lower end of the inner part of the tower body (1) is fixedly connected with a grid plate (4), a fixing plate (5) is arranged above the grid plate (4) in parallel, the left side and the right side of a rotating rod (6) are fixedly connected with a turntable (7), the rotating rod (6) is positioned at the left side of the fixing plate (5), the lower end of the rotating rod (6) is fixedly connected with a bearing (8), a speed reduction motor set (15) is fixedly connected above the rotating rod (6), the right side of the lower end of the tower body (1) is movably connected with a high-temperature steam guide pipe (9), the lower end of the high-temperature steam guide pipe (9) is movably connected with a heater (10), the lower end of the heater (10) is movably, and the upper end swing joint of tower body (1) has closing cap (13), the left end of closing cap (13) is provided with baroceptor (14), and the right side fixedly connected with material gas mixture export (16) of closing cap (13), the front end fixedly connected with safety valve (17) of material gas mixture export (16), and the right side swing joint of material gas mixture export (16) has condenser pipe (18), the right side lower extreme of condenser pipe (18) is provided with material back flow (19).
2. A high efficiency fractionation column system according to claim 1, wherein: the central axis of the tower body (1) is coincident with the central axis of the rotating rod (6), and the rotating discs (7) are symmetrical about the central axis of the rotating rod (6).
3. A high efficiency fractionation column system according to claim 1, wherein: the rotating rod (6) forms a rotating structure between the speed reduction motor set (15) and the bearing (8), and the central axis of the rotating rod (6) coincides with the central axis of the tower body (1).
4. A high efficiency fractionation column system according to claim 1, wherein: the fixed plate (5) is arranged in the tower body (1) in an equidistant mode, and the central axis of the tower body (1) is parallel to the central axis of the heater (10).
5. A high efficiency fractionation column system according to claim 1, wherein: the lower surface of closing cap (13) and the upper surface of tower body (1) closely laminate, and coincide mutually between the axis of closing cap (13) and the axis of gear motor group (15).
6. A high efficiency fractionation column system according to claim 1, wherein: the central axis of the air inlet (2) is 90 degrees with the outer wall of the tower body (1), and the air pressure sensor (14) and the material mixed gas outlet (16) are symmetrical about the central axis of the tower body (1).
7. A high efficiency fractionation column system according to claim 1, wherein: the central axis of the material return pipe (19) is parallel to the central axis of the high-temperature steam conduit (9), and the central axis of the material return pipe (19) is 90 degrees to the outer wall of the tower body (1).
8. A high efficiency fractionation column system according to claim 6, wherein:
the fractionation column system further includes an automated control system for performing the operations of:
the maximum flow rate Vt of the gas in the gas inlet (2) is determined according to the following formula:
v is the volume of the fractionating tower, R is a preset gas constant, T is the Kelvin temperature in the fractionating tower, D is the diameter of the gas inlet (2), P is the maximum pressure which can be borne by the fractionating tower, and Pt is the pressure of the fractionating tower obtained by the gas pressure sensor (14) at the moment T;
wherein k istThe calculation formula of (a) is as follows:
it can be seen that the maximum flow rate Vt of the inlet gas is:
when the pressure of the fractionating tower is measured to be Pt, controlling the flow rate of gas at the gas inlet not to exceed Vt;
the pressure sensor (14) is connected with an automatic control system, the automatic control system enables the pressure in the fractionating tower to be maintained in a safe range by adjusting the gas amount of the gas inlet (2) according to the pressure data fed back by the pressure sensor in real time, and the situation that the pressure is reduced manually because of danger caused by overhigh pressure or the shunting process is interrupted because of overhigh pressure is avoided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011227332.5A CN112473165A (en) | 2020-11-06 | 2020-11-06 | Efficient fractionating tower system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011227332.5A CN112473165A (en) | 2020-11-06 | 2020-11-06 | Efficient fractionating tower system |
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| Publication Number | Publication Date |
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| CN112473165A true CN112473165A (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011227332.5A Withdrawn CN112473165A (en) | 2020-11-06 | 2020-11-06 | Efficient fractionating tower system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060124431A1 (en) * | 2003-07-26 | 2006-06-15 | Fusheng Xie | Helical fractionating column |
| CN206837539U (en) * | 2017-05-12 | 2018-01-05 | 金溪县鑫润香料实业有限公司 | A kind of matricariaester production fractionating device |
| CN210170871U (en) * | 2019-06-21 | 2020-03-24 | 九江市通元化工有限公司 | Rectifying column is used in production |
| CN210251280U (en) * | 2019-07-09 | 2020-04-07 | 常州新东化工发展有限公司 | Continuous rectifying tower equipment |
| CN210409564U (en) * | 2019-07-15 | 2020-04-28 | 广西田东锦亿科技有限公司 | Rectifying tower is used in production of high methane chloride of security |
-
2020
- 2020-11-06 CN CN202011227332.5A patent/CN112473165A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060124431A1 (en) * | 2003-07-26 | 2006-06-15 | Fusheng Xie | Helical fractionating column |
| CN206837539U (en) * | 2017-05-12 | 2018-01-05 | 金溪县鑫润香料实业有限公司 | A kind of matricariaester production fractionating device |
| CN210170871U (en) * | 2019-06-21 | 2020-03-24 | 九江市通元化工有限公司 | Rectifying column is used in production |
| CN210251280U (en) * | 2019-07-09 | 2020-04-07 | 常州新东化工发展有限公司 | Continuous rectifying tower equipment |
| CN210409564U (en) * | 2019-07-15 | 2020-04-28 | 广西田东锦亿科技有限公司 | Rectifying tower is used in production of high methane chloride of security |
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Application publication date: 20210312 |
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