CN208785800U - Reboiler built in a kind of tower bottom - Google Patents
Reboiler built in a kind of tower bottom Download PDFInfo
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- CN208785800U CN208785800U CN201821262989.3U CN201821262989U CN208785800U CN 208785800 U CN208785800 U CN 208785800U CN 201821262989 U CN201821262989 U CN 201821262989U CN 208785800 U CN208785800 U CN 208785800U
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- 230000003670 easy-to-clean Effects 0.000 abstract description 2
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- 238000002309 gasification Methods 0.000 description 2
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- 229910000679 solder Inorganic materials 0.000 description 2
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Abstract
The utility model relates to reboilers built in a kind of tower bottom, it is arranged in rectifying column (1) bottom, including heat transfer plate halved tie (3), Heating medium (4), heating agent outlet (5), deflector (6) and supporting beam (7), the Heating medium (4) and heating agent outlet (5) are separately connected the plate journey inlet and outlet of heat transfer plate halved tie (3), the deflector (6) is connect with the heat transfer plate halved tie (3), and the heat transfer plate halved tie (3) is mounted on rectifying column (1) bottom by supporting beam (7).Compared with prior art, the utility model has many advantages, such as that pressure drop is low, heat transfer efficiency is high, easy to clean.
Description
Technical field
The utility model relates to a kind of reboilers, more particularly, to reboiler built in a kind of tower bottom.
Background technique
Tower bottom reboiler is to become upflowing vapor after heat distillation column bottom liquid body, vaporizing its part, is rectifying
A kind of heat exchange equipment of energy needed for vehicle repair major heat and mass in journey provides.Currently used reboiler is arranged in tower more
Outside, a small amount of to be arranged in tower.The outer reboiler of tower provides circulation power by forced circulation or thermal siphon.
In large-scale Chemical Manufacture, traditional reboiler often mostly uses tubulation as heat transfer internals, and heat transfer efficiency is low, pressure
Power drop is big, and external reboiler high equipment cost, when using forced circulation, consumption more energy is also needed to provide circulation
Power.And in the industries such as fine chemistry industry and pharmacy, in order to produce high value added product, some small-scale products are then to equipment low
High efficient heat exchanging is carried out under pressure, vacuum condition, and more stringent requirements are proposed.
External reboiler is frequently with traditional shell and tube condenser, this kind of condenser structure is simple, and the scope of application is big, but same
When there are the following problems: one, decompression or when rectification under vacuum, traditional reboiler is high or pressure drop requirements are high in vacuum level requirements
Under operating condition, heat exchange efficiency is low, and equipment is huge；Two, mainly based on laminar flow, fluid flow rate is lower on tubulation surface, and surface easily deposits
Fouling increases thermal resistance, reduces heat exchange efficiency, and cleans difficult；Three, it when forced circulation is boiled again, needs to be squeezed into tower bottoms with pump
It is heated in reboiler, increases equipment investment and energy consumption；Four, when reboiler is arranged outside tower, system external pipeline
Long, pressure drop is big, unfavorable to low pressure and rectification under vacuum operation；Five, it when tower reactor liquid is corrosivity or harmfulness liquid, will boil again
Device is arranged outside tower, and risk of leakage increases, once leaking, is easy to cause safety and environmental accident；
When built-in reboiler takes tubulation to exchange heat, mostly U-tube is designed, and tube side heat medium resistance is big, in order to improve
The heat exchange efficiency of built-in reboiler, some designs using spiral plate form come augmentation of heat transfer, as mentioned in 205215522 U of CN
Built-in reboiler using spiral plate form, spacing column and bar shaped spacing support realize support spacing effect while, play
Certain flow-disturbing effect, to improve heat-transfer effect.Heat transfer efficiency improves limited.
Summary of the invention
The purpose of this utility model is exactly to provide that a kind of pressure drop is low, passes to overcome the problems of the above-mentioned prior art
Reboiler built in thermal efficiency height, tower bottom easy to clean.
The purpose of this utility model can be achieved through the following technical solutions: reboiler built in a kind of tower bottom, and setting exists
Rectifier bottoms, which is characterized in that described including heat transfer plate halved tie, Heating medium, heating agent outlet, deflector and supporting beam
Heat medium import and heat medium export is separately connected the plate journey inlet and outlet of heat transfer plate halved tie, the deflector and the heat transfer plate halved tie
Connection, the heat transfer plate halved tie are mounted on rectifier bottoms by supporting beam.
The heat transfer plate halved tie is made of vertical parallel arrangement multiple heat transfer plates, and single heat transfer plate is to by two metals
Plate is filled with high pressure gas molding after passing through multi-point welding, and each heat transfer plate is uneven form to surfaces externally and internally, is formed
Pillow formula structure, augmentation of heat transfer, plate are plate journey to the space that internal solder contacts are formed, and heating agent heats rectifying column material via plate journey
Liquid.
Multiple heat transfer plates are mounted in supporting beam bottom, and the supporting beam is horizontally-parallel solid equipped with two
Due to rectifying column tower inner wall.
Adjacent heat transfer, to spacing, forms the shell side by being connected to inside heat transfer plate halved tie and tower body to by fixing piece control panel
Feed liquid lead-in plate heat exchanging shell side to be heated space is heated by deflector in space, and it is dynamic to provide gasification for feed liquid evaporation
Power.Above-mentioned plate spacing and plate can be according to different operating condition fluid flows, drop requirements and physical properties of fluids clean-up performances etc. to spacing
It is required that adjusting.
The deflector is the plate for single heat transfer plate being arranged in, it being connected with tower body inner wall to two sides.The water conservancy diversion
Plate can be rectangle, sector or be on one side at least the polygon plate of arc, for connecting simultaneously sealing plate halved tie surrounding and shell
Gap between body, and the deflector is disposed horizontal by 0~85 ° of angle.
The Heating medium is arranged on rectifying tower side wall, and Heating medium is laterally set by import drainage tube connection one
The import distribution pipe set, the plate journey import of each single heat transfer plate pair of the import distribution pipe connection heat transfer plate halved tie.
The heating agent outlet is arranged on rectifying tower side wall, and heating agent outlet is laterally set by an outlet drainage tube connection one
The outlet distribution pipe set, the plate journey outlet of each single heat transfer plate pair of the outlet distribution pipe connection heat transfer plate halved tie.
The heat transfer plate halved tie is connect with heat medium import and heat medium export pipeline enclosure using plate stitch form of tubes, fluid distrbution
Uniformly, the pressure loss is small, and bearing capacity is good.
The heat transfer plate halved tie is equipped with water conservancy diversion weld seam, can effectively avoid the formation of flowing stagnant area.
The rectifier bottoms are equipped with tower bottoms outlet.
Compared with prior art, the utility model has the advantage that
1, built-in reboiler is placed in rectifying column lower part, is vertical structure, mainly by New-type plate heat transfer element as heat exchange
The heat exchanger plates halved tie of element, deflector and heating agent inlet and outlet and pipeline, support beam group at；Heating agent enters plate by plate stitch adapter tube
Internally, feed liquid to be heated is introduced in heat transfer element space by deflector and is heated, and feed liquid free air space to be heated is big, limited
Heat transfer space in be easy to implement lower pressure drop loss.Pressure drop is low, it can be achieved that low pressure and condition of high vacuum degree 0.1~1kPa condition
Under boil again with low pressure drop demand, can simplify process, it is more effective to provide vaporization required heat for rectifying.
2, built-in reboiler uses high efficiency plate heat transfer element, and heat transfer element is made of heat exchanger plates halved tie, heat transfer element
Plate spacing, plate are flexibly adjustable to structural parameters such as spacing, contact densities, especially when allowing the operating conditions such as low pressure, vacuum, can pass through
The low pressure drop that plate realizes feed liquid side to be heated to spacing is increased, it, in addition can be by reducing plate to meet low pressure and vacuum level requirements
The method of spacing reinforces heating agent side heat exchange efficiency, heat exchange demand is realized under smaller heat exchange area, compared to shell and tube or spiral shell
For plate turning type heat exchanger, the available heat exchange amount of unit volume is higher.Fluid is in turbulence type state, augmentation of heat transfer.Heat transfer member
Part structural parameters are adjustable, to meet fluid flow, pressure drop and cleannes demand.
3, heat transfer plate halved tie heating agent side uses plate stitch form of tubes cloth stream, even fluid distribution.
4, plate can effectively avoid the formation of flowing stagnant area, be conducive to uniform heat exchange to water conservancy diversion weld seam is equipped with.
5, provide vertical parallel arrangement: heat exchanger plates are in vertical parallel arrangement, can according to boiling requirement and housing structure again,
Mode is boiled in optimization again, meets technique and economic optimization demand.
Detailed description of the invention
Fig. 1 is reboiler structural schematic diagram built in rectifying column；
Fig. 2 is the A-A sectional view of Fig. 1.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
Embodiment 1
As shown in Fig. 1~2, reboiler built in a kind of tower bottom, setting is in 1 bottom of rectifying column, including heat transfer plate halved tie 3, heat
Matchmaker's import 4, heating agent outlet 5, deflector 6 and supporting beam 7, the Heating medium 4 and heating agent outlet 5 are separately connected heat transfer plate
The plate journey of halved tie 3 is imported and exported, and the deflector 6 is connect with the heat transfer plate halved tie 3, and the heat transfer plate halved tie 3 passes through branch
Support beam 7 is mounted on 1 bottom of rectifying column.
The heat transfer plate halved tie 3 is made of vertical parallel arrangement multiple heat transfer plates, and single heat transfer plate is to by two gold
Belong to plate by being filled with high pressure gas molding after multi-point welding, each heat transfer plate is uneven form, shape to surfaces externally and internally
At pillow formula structure, augmentation of heat transfer, plate is plate journey to the space that internal solder contacts are formed, and heating agent heats rectifying column material via plate journey
Liquid.Multiple heat transfer plates are mounted in supporting beam 7 bottom, and the supporting beam 7 is horizontally-parallel to be fixed on rectifying column equipped with two
1 tower body inner wall.Adjacent heat transfer is to by fixing piece control panel, to spacing, formation is connected to by heat transfer plate halved tie 3 and tower body inside
Feed liquid lead-in plate heat exchanging shell side to be heated space is heated by deflector in shell side space, provides gas for feed liquid evaporation
Change power.Above-mentioned plate spacing and plate can clean journey according to different operating condition fluid flows, drop requirements and physical properties of fluids to spacing
The requirements such as degree are adjusted.
The deflector 6 is that the plate that it is connected to two sides by single heat transfer plate with tower body inner wall is arranged in.It is described to lead
Flowing plate can be rectangle, sector or at least on one side be arc polygon plate, for connect and sealing plate halved tie surrounding with
Gap between shell, and the deflector is disposed horizontal by 0~85 ° of angle.
The Heating medium 4 is arranged on 1 side wall of rectifying column, and Heating medium 4 passes through an import drainage tube 41 connection one
The import distribution pipe 42 being laterally arranged, the import distribution pipe 42 connect the plate of each single heat transfer plate pair of heat transfer plate halved tie 3
Journey import.The heating agent outlet 5 is arranged on 1 side wall of rectifying column, and heating agent outlet 5 passes through an outlet connection of drainage tube 51 one
The outlet distribution pipe 52 being laterally arranged, the outlet distribution pipe 52 connect the plate of each single heat transfer plate pair of heat transfer plate halved tie 3
Journey outlet.Each plate pair and import distribution pipe 42 and outlet 52 pipeline enclosure of distribution pipe of heat transfer plate halved tie 3 are connected using plate stitch form of tubes
It connects, even fluid distribution, the pressure loss is small, and bearing capacity is good.
The heat transfer plate halved tie 3 is equipped with water conservancy diversion weld seam, can effectively avoid the formation of flowing stagnant area.
1 bottom of rectifying column is equipped with tower bottoms outlet 8.
Rectifying column 1 is entered by feed liquid port 2 to rectifying feed liquid, under the guidance of deflector 6, passes through heat transfer plate beam
Shell side space between 3 each plate pair, heating agent pass through import drainage tube 41 by Heating medium 4 and enter import distribution pipe
42, the tube side space of each heat transfer plate pair is then flowed into, then outlet distribution pipe 52 flows into outlet drainage tube 51 from below, by heat
5 discharge of matchmaker outlet, two kinds of fluids complete the transmitting of heat via heat transfer plate halved tie, and feed liquid realizes gasification herein, bottom product by
Tower bottoms outlet 8 is discharged.
This reboiler is built in rectifying column lower part, and the vertical parallel arrangement of heat transfer element, sheet structure is flexible, passes through adjustable plate
To contact density, plate to spacing, plate spacing design can optimum structural parameter to reach optimal heat transfer effect, such as decompression or very
When working in the case of empty rectifying, in the case where meeting heat exchange demand, the appropriate plate that increases increases passability, Ke Yiyou to spacing
Effect reduces the pressure loss, while can increase the flow velocity and turbulent extent of heating agent by suitably reducing the method for plate spacing, thus
Heat exchange efficiency is improved, balanced realization low pressure drop and strong heat exchange demand are come with this.
The utility model plate heat transfer element board designs upper contact, makes fluid flowing in turbulence form, generates biggish
Boundary shear stress, heat transfer element have self-cleaning function, improve heat transfer efficiency and the safety of device；It is boiled again compared to external
For device, the problems such as without considering shell, connecting line and circulation power, equipment and installation maintenance cost can be reduced；Work as essence
Evaporate material be corrosivity or poisonous and harmful liquid when, can effectively avoid using built-in reboiler due to equipment corrosion leakage bring
Safety and environmental problem.
Claims (10)
1. reboiler built in a kind of tower bottom is arranged in rectifying column (1) bottom, which is characterized in that including heat transfer plate halved tie (3), heat
Matchmaker's import (4), heating agent outlet (5), deflector (6) and supporting beam (7), the Heating medium (4) and heating agent outlet (5) are respectively
The plate journey inlet and outlet of heat transfer plate halved tie (3) are connected, the deflector (6) is connect with the heat transfer plate halved tie (3), the biography
Hot plate halved tie (3) is mounted on rectifying column (1) bottom by supporting beam (7).
2. reboiler built in a kind of tower bottom according to claim 1, which is characterized in that the heat transfer plate halved tie (3) by
Multiple heat transfer plates form vertical parallel arrangement, single heat transfer plate to by two metal sheets by being filled with high pressure after multi-point welding
Gas molding, each heat transfer plate is uneven form to surfaces externally and internally.
3. reboiler built in a kind of tower bottom according to claim 2, which is characterized in that multiple heat transfer plates are to bottom
It is mounted on supporting beam (7), the supporting beam (7) is horizontally-parallel to be fixed on rectifying column (1) tower body inner wall equipped with two.
4. reboiler built in a kind of tower bottom according to claim 2 or 3, which is characterized in that adjacent heat transfer is to by fixing
Part control panel forms the shell side space by being connected to inside heat transfer plate halved tie (3) and tower body to spacing.
5. reboiler built in a kind of tower bottom according to claim 2, which is characterized in that the deflector (6) is setting
In the plate that it is connected to two sides by single heat transfer plate with tower body inner wall, the deflector can be rectangle, sector or at least
It is on one side the polygon plate of arc, the gap for connecting and between sealing plate halved tie surrounding and shell, and the deflector and water
Plane is in 0~85 ° of angle placement.
6. reboiler built in a kind of tower bottom according to claim 1, which is characterized in that Heating medium (4) setting
On rectifying column (1) side wall, Heating medium (4) connects an import distribution pipe being laterally arranged by an import drainage tube (41)
(42), the plate journey import of each single heat transfer plate pair of the import distribution pipe (42) connection heat transfer plate halved tie (3).
7. reboiler built in a kind of tower bottom according to claim 1, which is characterized in that heating agent outlet (5) setting
On rectifying column (1) side wall, heating agent outlet (5) connects an outlet distribution pipe being laterally arranged by outlet drainage tube (51)
(52), the plate journey outlet of each single heat transfer plate pair of the outlet distribution pipe (52) connection heat transfer plate halved tie (3).
8. reboiler built in a kind of tower bottom according to claim 1, which is characterized in that the heat transfer plate halved tie (3) with
Heating medium (4) is connected with heating agent outlet (5) pipeline enclosure using plate stitch form of tubes.
9. reboiler built in a kind of tower bottom according to claim 1, which is characterized in that the heat transfer plate halved tie (3) is set
There is water conservancy diversion weld seam.
10. reboiler built in a kind of tower bottom according to claim 1, which is characterized in that described rectifying column (1) bottom is set
There are tower bottoms outlet (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821262989.3U CN208785800U (en) | 2018-08-07 | 2018-08-07 | Reboiler built in a kind of tower bottom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821262989.3U CN208785800U (en) | 2018-08-07 | 2018-08-07 | Reboiler built in a kind of tower bottom |
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| Publication Number | Publication Date |
|---|---|
| CN208785800U true CN208785800U (en) | 2019-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821262989.3U Active CN208785800U (en) | 2018-08-07 | 2018-08-07 | Reboiler built in a kind of tower bottom |
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| Country | Link |
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| CN (1) | CN208785800U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111777484A (en) * | 2020-07-08 | 2020-10-16 | 西安长庆科技工程有限责任公司 | Device and method for purifying propane by depropanizing tower with built-in plate reboiler |
-
2018
- 2018-08-07 CN CN201821262989.3U patent/CN208785800U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111777484A (en) * | 2020-07-08 | 2020-10-16 | 西安长庆科技工程有限责任公司 | Device and method for purifying propane by depropanizing tower with built-in plate reboiler |
| CN111777484B (en) * | 2020-07-08 | 2023-05-30 | 西安长庆科技工程有限责任公司 | Device and method for purifying propane by adopting depropanizer with built-in plate reboiler |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Haiying Inventor after: Yu Shengying Inventor after: Xu Denghua Inventor after: Ni Haoyin Inventor after: Fang Chenchen Inventor before: Zhang Haiying Inventor before: Yu Shengying Inventor before: Xu Denghua Inventor before: Ni Haoyin Inventor before: Xu Yueting Inventor before: Fang Chenchen |
|
| CB03 | Change of inventor or designer information |