CN203017795U - Efficient distillation reboiler - Google Patents
Efficient distillation reboiler Download PDFInfo
- Publication number
- CN203017795U CN203017795U CN 201220733306 CN201220733306U CN203017795U CN 203017795 U CN203017795 U CN 203017795U CN 201220733306 CN201220733306 CN 201220733306 CN 201220733306 U CN201220733306 U CN 201220733306U CN 203017795 U CN203017795 U CN 203017795U
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- CN
- China
- Prior art keywords
- reboiler
- distillation
- pipe
- tower
- heat exchange
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses an efficient distillation reboiler, comprising a reboiler shell, a heat exchange medium, a steam input pipe and a non-condensable gas discharge pipe. The efficient distillation reboiler is characterized by also comprising a secondary steam room, a secondary steam output pipe, a heat exchange medium input pipe and a wastewater overflow pipe, wherein the secondary steam room is arranged at the upper end inside the reboiler shell; the secondary steam output pipe is communicated with an inner cavity from the secondary steam room to the lower end of a differential pressure distillation tower; the heat exchange medium input pipe guides in wastewater discharged by a micro-positive pressure rectifying tower as heat exchange medium; the wastewater overflow pipe is arranged at the upper end of the reboiler shell; the heat exchange medium of the distillation reboiler is wastewater discharged by the micro-positive pressure rectifying tower; the reboiler does not include a forcible circulating pump and a circulating pump system; the reboiler adopts the wastewater discharged by the rectifying tower as the heat exchange medium; the circulating pump system is saved; the secondary steam generated in the reboiler is conveyed to the differential pressure distillation tower through the secondary steam output pipe; the heat energy inside the differential pressure distillation tower is increased; and the processing amount of the distillation medium of the differential pressure distillation tower is also increased. The efficient distillation reboiler is suitable for various distillers.
Description
Technical field
The utility model relates to a kind of distiller, especially the reboiler of difference pressure distillation equipment.
Background technology
At present, the reboiler of difference pressure distillation equipment generally adopts the forced circulation mode to reach the purpose of heat exchange, but the heat transferring medium that uses due to forced circulation is thick tower mash, contain a large amount of solid contents in this thick tower mash, easily cause heat exchanging pipe obstruction in reboiler in cyclic process, affect heat exchange efficiency, the final efficient that affects destilling tower, cause production declining, energy consumption of unit product raises, and processing cost raises; Forced circulation wants demanded driving force larger simultaneously, and production cost is higher.The reboiler system of traditional difference pressure distillation equipment---destilling tower is also being deposited many shortcomings, as: circulation fluid is 8 times of inlet amounies, and the forced circulation pump power requires large, and power consumption is high; Heat transferring medium is thick tower mash, contains a large amount of solid contents, and conductibility and exchangeability are bad, have reduced heat exchange efficiency; And, due to circulation fluid with provide the fluid temperature of thermal source less, the circulation fluid that needs has been discharged the part circulation fluid of system and has been taken away part of waste heat thereupon greater than many times of inlet amount, makes the waste heat recovery rate low.
The utility model content
The purpose of this utility model is for overcoming deficiency of the prior art, improve the heat exchange efficiency of reboiler, increase the production capacity of difference pressure distillation equipment, reduce power consumption and further reach energy-saving and cost-reducing purpose, a kind of efficient distillation reboiler being provided.
In order to achieve the above object, the technical solution of the utility model is:
A kind of efficient distillation reboiler, it comprises reboiler housing, heat transferring medium, steam input pipe and condensing body discharge pipe not, characterized by further comprising:
Be located at the indirect steam chamber of upper end in the reboiler housing;
Be communicated with described indirect steam chamber to the indirect steam efferent duct of differential distillation tower lower end inner chamber;
Introduce the waste water that the pressure-fired rectifying column is discharged, as the heat transferring medium input pipe of heat transferring medium;
Be located at the waste water outflow pipe of described reboiler housing upper end.
The heat transferring medium of described distillation reboiler is the waste water that the pressure-fired rectifying column is discharged.
Described efficient distillation reboiler does not comprise forced circulation pump and circulating pump system thereof.
The efficient distillation reboiler of above structure, adopt the waste water of pressure-fired rectifying column discharge as heat transferring medium, the waste water of discharging due to the pressure-fired rectifying column is the solidifying water of vapour, can not produce fouling and stop up the heat exchanging pipe phenomenon in reboiler, has improved the heat exchange efficiency of reboiler.And, cancelled circulating pump system, greatly reduce the consumption of power and energy; The waste water of pressure-fired rectifying column discharge simultaneously all converts heat to indirect steam as heat transferring medium after the absorption waste heat, does not efflux, and utilization rate of waste heat promotes greatly.The indirect steam that produces in reboiler in the differential distillation tower, has increased the heat energy in the differential distillation tower by indirect steam efferent duct defeated pass, and the distillation efficiency of differential distillation tower is improved, and production capacity is further enhanced.Thereby the problem that exists on the solution prior art also has the following advantages:
(1) owing to adopting special heat transferring medium, solid content can not occur and stop up heat exchanging pipe, greatly improved heat exchange efficiency and waste heat recovery rate, the tower production capacity is raise greatly.When destilling tower does not contain the material of relatively large solid content in distillation, (as alcohol fermented beer) production capacity can not improve more than 10%, and when destilling tower contains the material of relatively large solid content in distillation, (as alcohol fermented beer) production capacity can improve 30% left and right.The unit cost of production reduces approximately 10%-30%;
(2) cancel forced circulation pump, reduce the power power consumption obvious, reduced one-time investment and day-to-day maintenance;
(3) can not reduce the concentration of distillation medium, for guarantee has been proposed more in the reduction of the processing cost of follow-up sewage disposal.
Description of drawings
Fig. 1 is structural principle schematic diagram of the present utility model;
In the drawings, differential distillation tower 1, indirect steam efferent duct 2, waste water outflow pipe 3, condensate drain 4, heat transferring medium input pipe 5, condensing body discharge pipe 6 not, heat exchanging pipe 7, reboiler housing 8, indirect steam chamber 9, steam input pipe 10 and pressure-fired rectifying column 11.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Shown in Figure 1, be that Fig. 1 is structural principle schematic diagram of the present utility model, as we know from the figure, the utility model comprises reboiler housing 8, steam input pipe 10 and condensing body discharge pipe 6 not, and differential distillation tower 1 and pressure-fired rectifying column 11.it is on the basis of existing difference pressure distillation equipment, cancelled the system that forced circulation pump and pipeline thereof etc. consist of, cancel reboiler after forced circulation pump an indirect steam chamber 9 need to be set above heat exchanging pipe 7, be collected in the indirect steam that produces in reboiler housing 8 inner chambers, and by the indirect steam efferent duct 2 on reboiler housing 8 top, this indirect steam is transported to differential distillation tower 1 lower end inner chamber, distillation medium in differential distillation tower 1 is heated, make the distillation media processes of differential distillation tower measure increase, production capacity is further enhanced.Increased heat transferring medium input pipe 5 in the bottom of reboiler housing 8, the waste water that input is discharged from the pressure-fired rectifying column; A side in reboiler housing 8 upper ends is provided with waste water outflow pipe 3.The heat transferring medium of described distillation reboiler is the waste water that the pressure-fired rectifying column is discharged.Do by steam input pipe 10 at steam that pressure-fired rectifying column 11 produces and deliver to reboiler, distillation medium in heat exchanging tubulation 7 heats or heat exchange, discharge from condensation alcohol liquid discharge pipe 4 at the condensation alcohol liquid that reboiler housing 8 produces, produce not never condensing body discharge pipe 6 discharges of condensing body.
Existing difference pressure distillation equipment is in the process that the distillation medium is distilled, the rectifying column steam (high temperature) of pressure-fired passes through reboiler, waste heat passes to the waste liquid (low temperature) that thick tower (negative pressure) is come, after the thick tower waste liquid of this part (low temperature) has absorbed rectifying column and has entered the reboiler steam heat, enter again thick tower bottom, the mode of one indirect steam discharges the heat that absorbs, as the thermal source of thick tower.
In above-mentioned heat exchanging process, in order to reach the abundant recovery of waste heat, need to achieve the goal by forced refluence pump forced refluence.But in reboiler, heat exchanging pipe stops up because forced circulation easily causes, and affects heat exchange efficiency, finally affects the efficient of destilling tower, causes production declining, and energy consumption of unit product raises, and processing cost raises; Forced circulation wants demanded driving force larger simultaneously, and production cost is higher.
Operation principle of the present utility model is:
The utility model is cancelled influent waste water system and the overflow pipe 3 that reboiler after forced circulation pump and system thereof need to increase at the top indirect steam chamber 9, increase pressure-fired rectifying column 11, also to increase an indirect steam efferent duct 2, indirect steam is transported to differential distillation tower 1 lower end inner chamber, distillation medium in differential distillation tower 1 is heated, make the distillation media processes of differential distillation tower measure increase, production capacity is further enhanced.Improved reboiler is equivalent to a heater, and the heat content of the medium that heat content is higher or many is transferred to the lower or few medium of heat content.The utility model is on the basis of existing difference pressure distillation equipment, after transformation, cancel forced circulation pump and system thereof, the alcohol steam of pressure-fired rectifying column 11 interior pressure-fireds enters reboiler, with the smart tower waste water (steam condensate (SC)) in heat exchanging pipe 7, after essence tower wastewater heat exchange, part becomes condensate liquid and flows out from condensate drain 4, and the condensing body does not never divide that condensing body discharge pipe 6 out enters next processing unit afterwards.Essence tower waste water enters in the tubulation of reboiler housing 8 from the bottom liquid chamber of reboiler housing 8, enter the top liquid chamber of reboiler housing 8, small part overflows from overflow pipe 3, the overwhelming majority is vaporizated into indirect steam at the top liquid chamber and enters differential distillation tower 1 bottom by indirect steam efferent duct 2, as the thermal source of negative pressure differential pressure destilling tower 1.
Claims (3)
1. efficient distillation reboiler, it comprises reboiler housing, heat transferring medium, steam input pipe and condensing body discharge pipe not, characterized by further comprising:
Be located at the indirect steam chamber (9) of the interior upper end of reboiler housing (8);
Be communicated with described indirect steam chamber (9) to the indirect steam efferent duct (2) of differential distillation tower (1) lower end inner chamber;
Introduce the waste water that pressure-fired rectifying column (11) is discharged, as the heat transferring medium input pipe (5) of heat transferring medium;
Be located at the waste water outflow pipe (3) of described reboiler housing (8) upper end.
2. efficient distillation reboiler according to claim 1 is characterized in that:
The heat transferring medium of described distillation reboiler is the waste water that pressure-fired rectifying column (11) is discharged.
3. efficient distillation reboiler according to claim 1 is characterized in that:
Do not comprise forced circulation pump and circulating pump system thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220733306 CN203017795U (en) | 2012-12-28 | 2012-12-28 | Efficient distillation reboiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220733306 CN203017795U (en) | 2012-12-28 | 2012-12-28 | Efficient distillation reboiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203017795U true CN203017795U (en) | 2013-06-26 |
Family
ID=48641814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220733306 Expired - Fee Related CN203017795U (en) | 2012-12-28 | 2012-12-28 | Efficient distillation reboiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203017795U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103007567A (en) * | 2012-12-28 | 2013-04-03 | 广西武鸣县皎龙酒精能源有限公司 | High-efficiency distillation reboiler |
| CN115025511A (en) * | 2022-06-27 | 2022-09-09 | 山东京博石油化工有限公司 | Gasoline production device, and production method and device of low-sulfur-content MTBE |
-
2012
- 2012-12-28 CN CN 201220733306 patent/CN203017795U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103007567A (en) * | 2012-12-28 | 2013-04-03 | 广西武鸣县皎龙酒精能源有限公司 | High-efficiency distillation reboiler |
| CN115025511A (en) * | 2022-06-27 | 2022-09-09 | 山东京博石油化工有限公司 | Gasoline production device, and production method and device of low-sulfur-content MTBE |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20170222 Granted publication date: 20130626 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20170822 Granted publication date: 20130626 |
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| PD01 | Discharge of preservation of patent | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20171208 Granted publication date: 20130626 |
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| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20201208 Granted publication date: 20130626 |
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| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20171228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |