CN1843546A - Reboiler for material of high viscosity,high solidifying point and intensified heat sensitivity - Google Patents
Reboiler for material of high viscosity,high solidifying point and intensified heat sensitivity Download PDFInfo
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- CN1843546A CN1843546A CN 200610072929 CN200610072929A CN1843546A CN 1843546 A CN1843546 A CN 1843546A CN 200610072929 CN200610072929 CN 200610072929 CN 200610072929 A CN200610072929 A CN 200610072929A CN 1843546 A CN1843546 A CN 1843546A
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- reboiler
- kettle
- high viscosity
- solidifying point
- sensitive material
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Abstract
The invention discloses a reboiler for high viscosity, high coagulating point and strong thermal sensitive material, which comprises a kettle and several heat exchanging tubes inside the kettle. Wherein, the top of kettle has a material inlet, a gas outlet and a manhole; the bottom has a material outlet and several material inlets. Since said invention arranges several material inlets at the bottom of kettle, and enlarges the center distance between the heat exchanging tubes, it can improve the cycle amount and flow-ability, shorten the time of materials inside the reboiler, reduce the thermal loss caused by overheat carbonization or expansion, confirm stable operation, prolong the operation period and reduce the producing cost, for the high viscosity, high coagulating point and strong thermal sensitive material.
Description
Technical field
The present invention relates to a kind of reboiler, relate in particular to the reboiler that a kind of high viscosity, high-solidification point, strong heat sensitive material such as heavy oil are used.
Background technology
The kettle type reboiler structural design that still-process adopts usually as shown in Figure 1, evaporation kettle top is provided with material inlet 1, gas vent 2, manhole 3, the evaporation autoclave body bottom is provided with material outlet 4, partial material is heated to fluidized state by the heating agent of tube side in evaporating kettle after, enter destilling tower by gas vent, the center square is generally got t=1.25d (d is the heat exchanger tube external diameter) between heat exchanger tube.For high-viscosity material, especially as simultaneously has the heavy tar of high viscosity, high-solidification point, strong thermal sensitivity characteristics, if adopt this method for designing, the viscosity of material is bigger under the mode of operation, mobile poor, and the heat exchanger tube gap is little, partial material is easy to be trapped between heat exchanger tube, overstand in still, hot-spot, aggravation carbonization or expanded phenomenon reduce heat-transfer effect, even occluding device can't normally carry out operation.
Summary of the invention
The objective of the invention is to overcome the shortcoming of prior art, the reboiler that provides a kind of high viscosity, high-solidification point, strong heat sensitive material to use, adopt this reboiler can reduce the temperature-sensitive loss, improve heat transfer efficiency and separation yield, and the operation of the system of assurance continous-stable safety.
The reboiler that a kind of high viscosity of the present invention, high-solidification point, strong heat sensitive material are used, it comprises kettle, is arranged on many heat exchanger tubes in the kettle, be respectively arranged with a material inlet, gas vent, manhole at described kettle top, be provided with a material outlet at described autoclave body bottom, it also is included in a plurality of material inlets that described autoclave body bottom is set.
This device is owing to be provided with a plurality of material inlets at autoclave body bottom, again owing to strengthened centre-to-centre spacing between heat exchanger tube, thereby, strengthened the internal circulating load of material for the especially strong thermal sensitivity of high viscosity, high-solidification point, high boiler material, improve mobile, shortened the time of staying of material in reboiler, reduced because of overheated carbonization or expanded due to temperature-sensitive loss, improved product yield, and can guarantee the operation of system's continous-stable safety, prolong operation cycle reduces production costs.
Description of drawings
Fig. 1 is usually the structure diagram of the reboiler of employing;
Fig. 2 is the structure diagram of the reboiler used of a kind of high viscosity of the present invention, high-solidification point, strong heat sensitive material.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is done to describe in detail.
The reboiler used of a kind of high viscosity of the present invention, high-solidification point, strong heat sensitive material as shown in Figure 2, it comprises kettle 1, is arranged on many heat exchanger tubes in the kettle, be respectively arranged with a material inlet 2, gas vent 3, manhole 4 at described kettle top, be provided with a material outlet 5 at described autoclave body bottom, it also is included in a plurality of material inlets 6 that described autoclave body bottom is set.Reboiler design for high-viscosity material, adopt super large tube pitch 2d≤t≤3d (d is the heat exchanger tube external diameter) arranged heat exchanger tube, use centrifugal pump or gear pump to increase circular flow, set up a plurality of recycle stock imports in the reboiler bottom, quicken material circulation and stirring, material is heated evenly, and the augmentation of heat transfer effect guarantees the continous-stable operation of system.In use delivery pump (centrifugal pump or gear pump) is set to realize being heated liquid liquid in circulation and the stirred tank fast in a plurality of recycle stock import department.
Claims (2)
1. reboiler that the strong heat sensitive material of high viscosity, high solidifying point is used, it comprises kettle, is arranged on many heat exchanger tubes in the kettle, be respectively arranged with a material inlet, gas vent, manhole at described kettle top, be provided with a material outlet at described autoclave body bottom, it is characterized in that: it also comprises a plurality of material inlets that are provided with at described autoclave body bottom.
2. the reboiler that the strong heat sensitive material of high viscosity, high solidifying point according to claim 1 is used is characterized in that: the central tube between the described many heat exchanger tubes is apart from being 2d≤t≤3d.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100729290A CN100389847C (en) | 2006-04-06 | 2006-04-06 | Reboiler for material of high viscosity,high solidifying point and intensified heat sensitivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100729290A CN100389847C (en) | 2006-04-06 | 2006-04-06 | Reboiler for material of high viscosity,high solidifying point and intensified heat sensitivity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1843546A true CN1843546A (en) | 2006-10-11 |
| CN100389847C CN100389847C (en) | 2008-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100729290A Expired - Fee Related CN100389847C (en) | 2006-04-06 | 2006-04-06 | Reboiler for material of high viscosity,high solidifying point and intensified heat sensitivity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100389847C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350240A (en) * | 2011-07-29 | 2012-02-15 | 天津大学 | Rod fin-type horizontal double-shaft stirring reboiler with propulsion blades |
| CN104096368A (en) * | 2014-07-23 | 2014-10-15 | 安庆市东徽机械有限公司 | Reboiler |
| CN106166393A (en) * | 2016-07-26 | 2016-11-30 | 湖南百利工程科技股份有限公司 | A kind of ammonia evaporator of band heating coil |
-
2006
- 2006-04-06 CN CNB2006100729290A patent/CN100389847C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350240A (en) * | 2011-07-29 | 2012-02-15 | 天津大学 | Rod fin-type horizontal double-shaft stirring reboiler with propulsion blades |
| CN104096368A (en) * | 2014-07-23 | 2014-10-15 | 安庆市东徽机械有限公司 | Reboiler |
| CN106166393A (en) * | 2016-07-26 | 2016-11-30 | 湖南百利工程科技股份有限公司 | A kind of ammonia evaporator of band heating coil |
| CN106166393B (en) * | 2016-07-26 | 2018-07-27 | 湖南百利工程科技股份有限公司 | A kind of ammonia evaporator with heating coil |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100389847C (en) | 2008-05-28 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080528 Termination date: 20130406 |