CN103845914A - Arrangement method of double reboilers as well as double-reboiler equipment - Google Patents
Arrangement method of double reboilers as well as double-reboiler equipment Download PDFInfo
- Publication number
- CN103845914A CN103845914A CN201310475147.1A CN201310475147A CN103845914A CN 103845914 A CN103845914 A CN 103845914A CN 201310475147 A CN201310475147 A CN 201310475147A CN 103845914 A CN103845914 A CN 103845914A
- Authority
- CN
- China
- Prior art keywords
- reboiler
- reboilers
- double
- tower
- equipment
- Prior art date
- 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.)
- Granted
Links
Images
Abstract
The invention relates to an arrangement method of double reboilers as well as double-reboiler equipment. The arrangement method of the double reboilers is that the two reboilers are arranged vertically; the bottom of the reboiler positioned below is provided with a tower bottom liquid phase inlet connected with a tower bottom liquid phase outlet pipeline, and the top of the reboiler is provided with two outlets connected with two bottom inlets of the reboiler positioned above; the top of the reboiler positioned above is provided with a gas phase outlet, and a gas phase passes through the outlet, and finally enters a tower body; pipe passes of the two reboilers are provided with mutual individual outlets and inlets. After the arrangement scheme provided by the invention is adopted for the double reboilers, not only is the requirement for 'being short and straight as much as possible' for pipelines by the technical design met, but also the stress requirement for the pipelines by the pipeline design is met, and the safe, stable and long-cycle running of the double reboilers and the pipelines thereof is ensured; meanwhile, the design number of pipes, pipe fittings and supports is reduced; the occupied area of the equipment is reduced; the construction cost is reduced; meanwhile, the running cost of the equipment is also reduced so as to create great profit for enterprises.
Description
Technical field
The present invention relates to crude oil manufacture field, particularly relate to the layout of refinery device " two reboiler ".
Background technology
Reboiler is common a kind of equipment that is used for improving liquid-phase vaporization rate at the bottom of tower in petrochemical plant.Along with petrochemical equipment is more and more higher to the requirement of energy resource consumption, in the time of device design, more and more start to adopt " two reboiler " pattern.In the time of start up, use wherein one, using steam medium as thermal source, liquid phase at the bottom of tower is heated; When normal operating, use other one, using the process fluid medium in installing as thermal source, liquid phase at the bottom of tower is heated, do not re-use steam, to reach the object of saving energy resource consumption.At present, the conventional design of this pattern is that two reboilers are arranged in respectively tower both sides, and take 1,400,000 tons/year of continuous reformer deheptanizer C402 of certain company as example, deheptanizer reboiler E402A/B is arranged in respectively the both sides apart from tower 4m, with reference to figure 1.
While adopting this Design Mode, consider from the angle of technological design, require the pipe resistance that connects tower and reboiler to minimize, accomplish to try one's best short and straight.And consider from the angle of pipe design, because the pipeline diameter of reboiler is larger, temperature is higher, flexible poor, in order to meet the requirement of pipeline stress design, also to meet two reboilers " opens stops ", " a cold heat " impact on the equipment mouth of pipe simultaneously, require the pipeline will be by must natural torsion meeting the requirement of pipeline flexible.Two conflicting requirements of design specialist often cause in actual device and occur that reboiler resistance drop is excessive, or the problem such as pipe flange face leakage.
How to solve requirement conflicting between technological design and pipe design, the key that has just become two reboilers to arrange.
Summary of the invention
Main purpose of the present invention is, overcomes existing pair of reboiler and arranges the defect existing, and a kind of method for arranging of new two reboilers is provided, and it can guarantee production engineering specifications, can guarantee again pipe design requirement.
Another object of the present invention is to, a kind of two reboiler equipment that adopt above-mentioned method for arranging of the present invention to arrange are provided.
For achieving the above object, adopt following technical scheme:
1. two reboiler shell side arranged in series;
2. the reboiler that is positioned at below, an entrance is established in bottom, is connected with liquid-phase outlet pipeline at the bottom of tower, and two outlets are established at top, are connected with two bottom inlets of the reboiler that is positioned at top; An outlet is established at the reboiler top that is positioned at top, and gas phase finally enters tower body through this outlet;
3. two reboiler tube sides are established separate gateway, to can use different heat source mediums.
The object of the invention to solve the technical problems realizes by the following technical solutions.The method for arranging of the two reboilers that propose according to the present invention, it is that two reboilers are arranged one on the other, and liquid phase entrance at the bottom of a tower is established in the reboiler bottom that is positioned at below, is connected with liquid-phase outlet pipeline at the bottom of tower, two outlets are established at top, are connected with two bottom inlets of the reboiler that is positioned at top; A gaseous phase outlet is established at the reboiler top that is positioned at top, and gas phase finally enters tower body through this outlet; The tube side of two reboilers is established separate entry and exit.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
More preferably, the method for arranging of aforesaid pair of reboiler, wherein above reboiler bottom and below reboiler top between also comprise fixed connecting piece.
The object of the invention to solve the technical problems also realizes by the following technical solutions.The two reboiler equipment that propose according to the present invention, it comprises one on the other two reboilers arranging, and the reboiler bottom that is positioned at below is provided with liquid phase entrance at the bottom of a tower, and top is provided with two outlets, is connected with two bottom inlets of reboiler above being positioned at; The reboiler top that is positioned at top is provided with a gaseous phase outlet; The tube side of two reboilers is provided with separate entry and exit.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
More preferably, aforesaid pair of reboiler equipment, wherein above reboiler bottom and below reboiler top between also comprise fixed connecting piece.
By technique scheme, the present invention at least has following advantages and beneficial effect: two reboilers adopt after arrangement of the present invention, both met the requirement that technological design " is tried one's best short and straight " to pipeline, meet again the stress requirement of pipe design to pipeline, guaranteed safe, steady, the long-term operation of two reboilers and pipeline thereof.Meanwhile, having reduced the design quantity of pipe, pipe fitting, support, reduced occupation area of equipment, reduced construction cost, also reduced the operating cost of device simultaneously, is that enterprise creates higher profit.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of description, and for above and other object of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is 1,400,000 tons/year of continuous reformer deheptanizer C402 of certain company and deheptanizer reboiler E402A/B layout drawing.
Fig. 2 is of the present invention pair of reboiler device structure schematic diagram.
[symbol description]
10:E402A deheptanizer reboiler 20:E402A/B deheptanizer reboiler
30:C402 deheptanizer
1: liquid phase entrance 2 at the bottom of tower: gaseous phase outlet
3: process fluid entrance 4: process fluid outlet
5: steam inlet 6: condensate water outlet
7: outlet 8: entrance
9: fixed connecting piece
The specific embodiment
Technological means and effect of taking for reaching predetermined goal of the invention for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to method for arranging and two its specific embodiment of reboiler equipment, method, feature and effect thereof of the two reboilers that propose according to the present invention, be described in detail as follows.
As shown in Figure 2, for two reboiler device structure schematic diagrames of one embodiment of the invention, that is by the schematic diagram of the method for arranging cloth postpone of of the present invention pair of reboiler, concrete method for arranging is: two reboilers are arranged one on the other, its shell side is connected in series, and liquid phase entrance 1 at the bottom of a tower is established in the reboiler bottom that is positioned at below, is connected with liquid-phase outlet pipeline at the bottom of tower, two outlets 7 are established at top, are connected with two bottom inlets 8 of the reboiler that is positioned at top; A gaseous phase outlet 2 is established at the reboiler top that is positioned at top, and gas phase finally enters tower body through this outlet.The tube side of two reboilers is established separate entry and exit, to can use different heat source mediums.In the present embodiment, for making the connection of two reboilers more firm, be fixedly connected with in the reboiler top that is positioned at the reboiler bottom of top and is positioned at below, above reboiler bottom and below reboiler top between fixed connecting piece 9 is set.
At the beginning of start up, in device, also do not produce and can, for the thermal source of liquid phase heating at the bottom of tower, can only use steam as thermal source.At this moment, the steam inlet 5 and the condensate water outlet 6(that open the reboiler tube side that is positioned at below refer to Fig. 2), in order to liquid phase at the bottom of heating tower, close process fluid entrance 3 and process fluid outlet 4.At the bottom of tower, liquid phase enters heat exchanger by the reboiler shell side bottom inlet that is positioned at below, and through being positioned at the reboiler heating of below, gas phase goes out heat exchanger from the reboiler top exit that is positioned at top, returns to tower body, completes heating process.
After device normally goes into operation, in device, produce and can, for the thermal source of liquid phase heating at the bottom of tower, at this moment, open process fluid entrance 3 and the process fluid outlet 4 of the reboiler tube side that is positioned at top, in order to liquid phase at the bottom of heating tower, steam off entrance 5 and condensate water outlet 6.At the bottom of tower, liquid phase enters heat exchanger by the reboiler shell side bottom inlet that is positioned at top, and through being positioned at the reboiler heating of top, gas phase goes out heat exchanger from the reboiler top exit that is positioned at top, returns to tower body, completes heating process.
Two reboilers adopt above arranged superposed scheme, connect the pipeline of tower and reboiler all the time in hot, needn't consider the operating mode of " opens stops " when two reboilers are arranged apart, " a cold heat ", reduce the natural torsion requirement of pipeline, both meet the requirement that technological design " is tried one's best short and straight " to pipeline, met again the stress requirement of pipe design to pipeline.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, but not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be not depart from technical solution of the present invention content, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (4)
1. the method for arranging of two reboilers, it is characterized in that two reboilers to arrange one on the other, liquid phase entrance (1) at the bottom of a tower is established in the reboiler bottom that is positioned at below, be connected with liquid-phase outlet pipeline at the bottom of tower, two outlets (7) are established at top, are connected with two bottom inlets (8) of the reboiler that is positioned at top; A gaseous phase outlet (2) is established at the reboiler top that is positioned at top, and gas phase finally enters tower body through this outlet; The tube side of two reboilers is established separate entry and exit.
2. the method for arranging of according to claim 1 pair of reboiler, it is characterized in that above reboiler bottom and below reboiler top between also comprise fixed connecting piece (9).
3. two reboiler equipment, it is characterized in that it comprises two reboilers arranging one on the other, the reboiler bottom that is positioned at below is provided with liquid phase entrance (1) at the bottom of a tower, and top is provided with two outlets (7), is connected with two bottom inlets (8) of reboiler above being positioned at; The reboiler top that is positioned at top is provided with a gaseous phase outlet (2); The tube side of two reboilers is provided with separate entry and exit.
4. according to claim 3 pair of reboiler equipment, it is characterized in that above reboiler bottom and below reboiler top between also comprise fixed connecting piece (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310475147.1A CN103845914B (en) | 2013-10-12 | 2013-10-12 | Arrangement method of double reboilers as well as double-reboiler equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310475147.1A CN103845914B (en) | 2013-10-12 | 2013-10-12 | Arrangement method of double reboilers as well as double-reboiler equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103845914A true CN103845914A (en) | 2014-06-11 |
| CN103845914B CN103845914B (en) | 2015-05-20 |
Family
ID=50854309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310475147.1A Active CN103845914B (en) | 2013-10-12 | 2013-10-12 | Arrangement method of double reboilers as well as double-reboiler equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103845914B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5402647A (en) * | 1994-03-25 | 1995-04-04 | Praxair Technology, Inc. | Cryogenic rectification system for producing elevated pressure nitrogen |
| CN101104116A (en) * | 2006-07-11 | 2008-01-16 | 蒋建君 | Double distilling device |
| CN101391152A (en) * | 2008-10-22 | 2009-03-25 | 天津大学 | Double-reboiler batch extraction rectification device and method using absorption heat pump |
| CN101782270A (en) * | 2010-02-26 | 2010-07-21 | 艾欧史密斯(中国)热水器有限公司 | Condensing gas boiler |
| CN103183577A (en) * | 2011-12-29 | 2013-07-03 | 中国石油化工集团公司 | Heat exchange system and heat exchange method for carbon five extractive distillation |
| CN203483879U (en) * | 2013-10-12 | 2014-03-19 | 洛阳瑞泽石化工程有限公司 | Double-reboiler equipment |
-
2013
- 2013-10-12 CN CN201310475147.1A patent/CN103845914B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5402647A (en) * | 1994-03-25 | 1995-04-04 | Praxair Technology, Inc. | Cryogenic rectification system for producing elevated pressure nitrogen |
| CN101104116A (en) * | 2006-07-11 | 2008-01-16 | 蒋建君 | Double distilling device |
| CN101391152A (en) * | 2008-10-22 | 2009-03-25 | 天津大学 | Double-reboiler batch extraction rectification device and method using absorption heat pump |
| CN101782270A (en) * | 2010-02-26 | 2010-07-21 | 艾欧史密斯(中国)热水器有限公司 | Condensing gas boiler |
| CN103183577A (en) * | 2011-12-29 | 2013-07-03 | 中国石油化工集团公司 | Heat exchange system and heat exchange method for carbon five extractive distillation |
| CN203483879U (en) * | 2013-10-12 | 2014-03-19 | 洛阳瑞泽石化工程有限公司 | Double-reboiler equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103845914B (en) | 2015-05-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203483879U (en) | Double-reboiler equipment | |
| CN203923684U (en) | A kind of steam modernization system of energy-saving and emission-reducing setting machine | |
| CN103845914B (en) | Arrangement method of double reboilers as well as double-reboiler equipment | |
| CN103245222B (en) | Pipeline configuration structure of triple-inlet air cooler system for hydrogenation reaction effluents | |
| CN201100503Y (en) | An energy-saving concretion prevention structure for oil supply tube | |
| CN103868374B (en) | A kind of dividing wall type heat exchanger | |
| CN203287455U (en) | Transformer evaporative cooling experiment system | |
| CN207330910U (en) | A kind of fermenting case of embedded heat exchanger | |
| CN207632896U (en) | The heating system of strip pickling acid | |
| CN206113106U (en) | It opens central water supply system of instant heating promptly to need not return water | |
| CN204788018U (en) | Coker and amine liquid regenerating unit heat transfer network optimigation system | |
| CN206069399U (en) | Water reutilization system of dissolution | |
| CN204773240U (en) | Non - central heating's calendering production line energy saving and emission reduction system | |
| CN205135941U (en) | Hydrothermal air compressor machine waste heat recovery system of exportable multiple temperature | |
| CN205227772U (en) | High -efficient commercial electric heat water dispenser | |
| CN204201359U (en) | A kind of double-ply bellows compensator | |
| CN203419888U (en) | Diesel and wax oil hydrogenation device hydrogen presenting system | |
| CN207622551U (en) | A kind of crude naphthalene production single-furnace double-tower | |
| CN203810375U (en) | Efficient zero-dew point corrosion coal economizer | |
| CN204153977U (en) | Modified water-bath stove heating system | |
| CN104896738B (en) | A kind of tandem water batch heater for facilitating repair | |
| CN204752642U (en) | Gasifier water -cooling wall | |
| CN204461151U (en) | High-pressure natural gas vacuum furnace | |
| CN203999439U (en) | Synthetic gas is prepared the hydrogenation workshop section heating device of ethylene glycol | |
| CN102966936B (en) | Double-effect and phase change waste heat recovering system for recovering low-grade waste gas waste heat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |