CN106310690A - Steam reboiler with expansion joint - Google Patents
Steam reboiler with expansion joint Download PDFInfo
- Publication number
- CN106310690A CN106310690A CN201610841656.5A CN201610841656A CN106310690A CN 106310690 A CN106310690 A CN 106310690A CN 201610841656 A CN201610841656 A CN 201610841656A CN 106310690 A CN106310690 A CN 106310690A
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- CN
- China
- Prior art keywords
- reboiler
- steam
- expansion joint
- housing
- heat
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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.)
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Classifications
-
- 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
-
- 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
- B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
- B01D3/322—Reboiler specifications
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a steam reboiler with expansion joints. The steam reboiler comprises a reboiler casing and a heat exchange pipe bundle, wherein each of the upper end and the lower end of the reboiler casing is provided with a seal head; the heat exchange pipe bundle is arranged in the reboiler casing; the reboiler casing is sequentially provided with a pipe stroke discharging opening, a steam inlet, a steam outlet and a pipe stroke feeding opening from top to bottom; the pipe stroke discharging opening and the pipe stroke feeding opening communicate with the heat exchange pipe bundle; the space formed by the part within the reboiler casing and the part beyond the heat exchange pipe bundle is a shell pass space; the steam inlet and the steam outlet communicate with the shell pass space; the reboiler casing comprises multiple sections of unit casings; the unit casings are connected through the annular expansion joints. The manufacturing length of the reboiler casing is increased; the use range of the reboiler is enlarged; the stress effect of heat expansion and cold contraction on the reboiler casing is reduced; the service life of the reboiler casing is prolonged; the production cost is reduced; the occurrence of internal leakage is reduced.
Description
Technical field
The present invention relates to technical field of chemical, be specifically related to the Steam reboiler of a kind of band expansion joint.
Background technology
At present, in Chemical Manufacture, distillation column is much equipped with reboiler, is indirectly heated by reboiler steam, and reboiler sets
The reasonability of meter structure and the quality of workmanship directly affect the service life of product quality, energy resource consumption and reboiler.
Reboiler type of service generally has floating head type and shell and tube two kinds, owing to tubular structure is simple, it is simple to clean and
It is used widely.But, existing shell and tube Steam reboiler there is problems in that the operating temperature of reboiler is general relatively
Height, tube side and shell side medium are relatively big in the temperature difference, tube sheet and heat exchanger tube drawing crack are easily occurred by thermal stress effect, cause tube side and shell
Cheng Jiezhi goes here and there mutually, causes production accident, affects product quality.If reboiler volume becomes big simultaneously, it is subject to during shutting down
The most easily there is drawing crack in the stress influence that expands with heat and contract with cold, seriously reduces equipment service life in process of production.
Summary of the invention
The technical problem to be solved in the present invention is, in view of the foregoing defects the prior art has, it is provided that a kind of band expands
The Steam reboiler of joint, adds the making length of reboiler housing, expands the range of reboiler, reduce reboiler
The stress effect expanded with heat and contract with cold on housing, extends the service life of reboiler housing, reduces production cost, decrease internal hemorrhage due to trauma
Occur.
The present invention solves that above-mentioned technical problem be the technical scheme is that
A kind of Steam reboiler of band expansion joint, including reboiler housing and heat-exchanging tube bundle, the upper end of reboiler housing and
Lower end is equipped with end socket, and heat-exchanging tube bundle is arranged in reboiler housing, and reboiler housing is sequentially provided with tube side discharging from top to bottom
Mouth, steam inlet, steam (vapor) outlet and tube side charging aperture, tube side discharging opening and tube side charging aperture respectively with heat-exchanging tube bundle UNICOM, then
Within boiling device housing with heat-exchanging tube bundle beyond the space that formed be shell side space, steam inlet and steam (vapor) outlet with shell side space even
Logical, reboiler housing includes multistage unit housings, is connected by annular ex-pansion joint between unit housings.
According to technique scheme, being sequentially provided with upper perforated plate and lower perforated plate in reboiler housing, heat-exchanging tube bundle is arranged in
Between tube sheet and lower perforated plate, heat-exchanging tube bundle is fixing with upper perforated plate and lower perforated plate to be connected, and tube side discharging opening is arranged at the upper of upper perforated plate
Side, tube side charging aperture is arranged at the lower section of lower perforated plate, steam inlet and steam (vapor) outlet and is arranged between upper perforated plate and lower perforated plate.
According to technique scheme, upper perforated plate and lower perforated plate, reboiler enclosure interior completely cut off into upper space, middle part empty
Between and lower space, upper space and lower space respectively with heat-exchanging tube bundle UNICOM, tube side discharging opening is by upper space and changing
Heat pipe bundle UNICOM, tube side charging aperture is by lower space and heat-exchanging tube bundle UNICOM, and steam inlet and steam (vapor) outlet are respectively arranged at
The top and bottom of the central space of reboiler housing.
According to technique scheme, reboiler housing is provided with steam vent, and steam vent is distributed in steam inlet and steam goes out
The side of mouth.
According to technique scheme, being provided with deflection plate in reboiler housing, heat-exchanging tube bundle is connected fixing with deflection plate.
According to technique scheme, the cross section of described expansion joint is circular.
According to technique scheme, expansion joint is connected with reboiler housing by welding.
According to technique scheme, reboiler housing is cylindrical shape.
According to technique scheme, reboiler housing exterior walls is provided with hanger.
According to technique scheme, the number of unit housings is 2, and expansion joint number is 1, and expansion joint is arranged at and boils
The stage casing of device housing.
The method have the advantages that
By expansion joint, multiple unit housings are connected, add the making length of reboiler housing, solve in production
The problem that Steam reboiler volume is limited, expand the range of reboiler, reduces and expands with heat and contract with cold on reboiler housing
Stress effect, extends the service life of reboiler housing, reduces production cost, decreases internal hemorrhage due to trauma and occurs.
Accompanying drawing explanation
Fig. 1 is the structural representation of the Steam reboiler of band expansion joint in the embodiment of the present invention;
In figure, 1-tube side discharging opening, 2-upper discharge hole, 3-deflection plate, 4-steam inlet, 5-expansion joint, 6-heat exchanger tube
Bundle, 7-hanger, 8-reboiler housing, 9-steam (vapor) outlet, 10-lower discharge hole, 11-bottom head, 12-tube side charging aperture, 13-
Top end socket, 14-upper perforated plate, 15-lower perforated plate.
Detailed description of the invention
The present invention is described in detail with embodiment below in conjunction with the accompanying drawings.
With reference to shown in Fig. 1, the Steam reboiler of the band expansion joint in the embodiment that the present invention provides, including reboiler
Housing and heat-exchanging tube bundle 6, the top and bottom of reboiler housing 8 are equipped with end socket, and heat-exchanging tube bundle 6 is arranged at reboiler housing 8
In, reboiler housing 8 is sequentially provided with tube side discharging opening, steam inlet 4, steam (vapor) outlet 9 and tube side charging aperture, tube side from top to bottom
Discharging opening 1 and tube side charging aperture 12 respectively with heat-exchanging tube bundle 6 UNICOM, formed with beyond heat-exchanging tube bundle 6 within reboiler housing 8
Space is shell side space, and steam inlet 4 connects with shell side space with steam (vapor) outlet 9, and reboiler housing 8 includes multistage cell enclosure
Body, by annular ex-pansion joint 5 connection between unit housings;By expansion joint 5, multiple unit housings are connected, add reboiler
The making length of housing 8, solves and produces the problem that upper Steam reboiler volume is limited, expand the range of reboiler,
Reducing the stress effect expanded with heat and contract with cold on reboiler housing 8, extend the service life of reboiler housing 8, service life is from 2
Year increases to 5 years, reduces production cost, decreases internal hemorrhage due to trauma and occurs.
Further, the number of unit housings is 2, and expansion joint 5 number is 1, and expansion joint 5 is arranged at reboiler housing
The stage casing of 8.
Further, being sequentially provided with upper perforated plate 14 and lower perforated plate 15 in reboiler housing 8, heat-exchanging tube bundle 6 is arranged in pipe
Between plate 14 and lower perforated plate 15, heat-exchanging tube bundle 6 is fixed be connected with upper perforated plate 14 and lower perforated plate 15, and tube side discharging opening 1 is arranged at
The top of tube sheet 14, tube side charging aperture 12 is arranged at the lower section of lower perforated plate 15, steam inlet 4 and steam (vapor) outlet 9 and is arranged at pipe
Between plate 14 and lower perforated plate 15.
Further, upper perforated plate 14 and lower perforated plate 15 by internal for reboiler housing 8 completely cut off into upper space, central space and
Lower space, upper space and lower space respectively with heat-exchanging tube bundle 6 UNICOM, tube side discharging opening 1 is by upper space and heat exchange
Restraining 6 UNICOMs, tube side charging aperture 12 is by lower space and heat-exchanging tube bundle 6 UNICOM, and steam inlet 4 and steam (vapor) outlet 9 set respectively
It is placed in the top and bottom of the central space of reboiler housing 8.
Further, reboiler housing 8 is provided with steam vent, is divided into upper discharge hole 2 and lower discharge hole 10, and top is arranged
Pore 2 and lower discharge hole 10 are respectively arranged at steam inlet 4 and the side of steam (vapor) outlet 9.
Further, being provided with deflection plate in reboiler housing 8, heat-exchanging tube bundle 6 is connected fixing with deflection plate 3.
Further, the cross section of described expansion joint 5 is circular.
Further, expansion joint 5 is connected with reboiler housing 8 by welding.
Further, reboiler housing 8 is cylindrical shape.
Further, reboiler housing 8 outer wall is provided with hanger 7.
In one embodiment of the present of invention, the operation principle of the present invention:
Steam enters bottom from top and goes out;It is internal that described heat exchanger tube is located at reboiler housing 8, thus constitutes pipe shell type heat exchange
Device;Described top end socket 13 and bottom head 11 lay respectively at the top and bottom of reboiler, and exchange heat pipe seals, tube side
Circulation factory supplies, enters from the tube side charging aperture 12 of bottom, goes out from the tube side discharging opening 1 on top;Described expansion joint 5 is positioned at
Periphery, reboiler housing 8 stage casing, plays and reboiler housing 8 carries out reinforcement effect, and reboiler housing 8 periphery is with expansion joint 5 even
The mode of connecing uses welding manner.
As preferably, described reboiler housing 8 is cylindrical shape, and reboiler housing 8 upper and lower is equipped with steam vent.
Described expansion joint 5 all arranging for a week at reboiler housing 8.
As it is shown in figure 1, Steam reboiler of the present invention includes reboiler housing 8, heat-exchanging tube bundle 6, top end socket 13
With bottom head 11, expansion joint 5 and deflection plate 3;Wherein deflection plate 3 is positioned at heat-exchanging tube bundle 6, and deflection plate 3 makes heat-exchanging tube bundle 6 be formed
Tube side in medium can through whole heat exchanger, improve heat transfer effect;All there is aerofluxus reboiler housing 8 upper and lower
Hole, it is simple to the initial stage that goes into operation is to shell side aerofluxus;Expansion joint 5 is positioned in the middle part of reboiler housing 8, uses welding procedure, with reboiler shell
Body 8 is integrally forming, and effectively alleviates housing and is damaged by stress effect.
The above presently preferred embodiments of the present invention that is only, can not limit the interest field of the present invention with this certainly,
Therefore the equivalence change made according to scope of the present invention patent, still belongs to protection scope of the present invention.
Claims (10)
1. the Steam reboiler of a band expansion joint, it is characterised in that include reboiler housing and heat-exchanging tube bundle, reboiler housing
Top and bottom be equipped with end socket, heat-exchanging tube bundle is arranged in reboiler housing, and reboiler housing is sequentially provided with from top to bottom
Tube side discharging opening, steam inlet, steam (vapor) outlet and tube side charging aperture, tube side discharging opening and tube side charging aperture respectively with heat-exchanging tube bundle
UNICOM, within reboiler housing with heat-exchanging tube bundle beyond formed space be shell side space, steam inlet and steam (vapor) outlet and shell
Journey space connects, and reboiler housing includes multistage unit housings, is connected by annular ex-pansion joint between unit housings.
The Steam reboiler of band expansion joint the most according to claim 1, it is characterised in that be sequentially provided with in reboiler housing
Upper perforated plate and lower perforated plate, heat-exchanging tube bundle is arranged between upper perforated plate and lower perforated plate, and heat-exchanging tube bundle is fixed with upper perforated plate and lower perforated plate
Connecting, tube side discharging opening is arranged at the top of upper perforated plate, and tube side charging aperture is arranged at the lower section of lower perforated plate, steam inlet and steam
Outlet is arranged between upper perforated plate and lower perforated plate.
The Steam reboiler of band expansion joint the most according to claim 2, it is characterised in that upper perforated plate and lower perforated plate will boil again
Device enclosure interior completely cut off into upper space, central space and lower space, upper space and lower space respectively with heat-exchanging tube bundle
UNICOM, tube side discharging opening is joined with heat-exchanging tube bundle by lower space by upper space and heat-exchanging tube bundle UNICOM, tube side charging aperture
Logical, steam inlet and steam (vapor) outlet are respectively arranged at the top and bottom of the central space of reboiler housing.
The Steam reboiler of band expansion joint the most according to claim 2, it is characterised in that reboiler housing is provided with aerofluxus
Hole, steam vent is distributed in the side of steam inlet and steam (vapor) outlet.
The Steam reboiler of band expansion joint the most according to claim 1, it is characterised in that be provided with baffling in reboiler housing
Plate, heat-exchanging tube bundle is connected fixing with deflection plate.
The Steam reboiler of band expansion joint the most according to claim 1, it is characterised in that the cross section of described expansion joint is circle
Shape.
The Steam reboiler of band expansion joint the most according to claim 1, it is characterised in that expansion joint is by welding and boiling
Device housing connects.
The Steam reboiler of band expansion joint the most according to claim 1, it is characterised in that reboiler housing is cylindrical shape.
The Steam reboiler of band expansion joint the most according to claim 1, it is characterised in that reboiler housing exterior walls is provided with
Hanger.
The Steam reboiler of band expansion joint the most according to claim 1, it is characterised in that the number of unit housings is 2
Individual, expansion joint number is 1, and expansion joint is arranged at the stage casing of reboiler housing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610841656.5A CN106310690A (en) | 2016-09-22 | 2016-09-22 | Steam reboiler with expansion joint |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610841656.5A CN106310690A (en) | 2016-09-22 | 2016-09-22 | Steam reboiler with expansion joint |
Publications (1)
Publication Number | Publication Date |
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CN106310690A true CN106310690A (en) | 2017-01-11 |
Family
ID=57819766
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201610841656.5A Pending CN106310690A (en) | 2016-09-22 | 2016-09-22 | Steam reboiler with expansion joint |
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CN (1) | CN106310690A (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201524439U (en) * | 2009-10-20 | 2010-07-14 | 沈阳东方钛业有限公司 | Heat exchanger for distillation |
CN203227319U (en) * | 2013-04-28 | 2013-10-09 | 中冶焦耐工程技术有限公司 | Reboiler at bottom of anthracene distillation tower |
WO2014009762A1 (en) * | 2012-07-12 | 2014-01-16 | Albert Faritovich Saifutdinov | Rectification tower with internal heat and mass exchange and method for separation of multi-component mixtures into fractions using a rectification tower with an internal heat and mass exchange |
-
2016
- 2016-09-22 CN CN201610841656.5A patent/CN106310690A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201524439U (en) * | 2009-10-20 | 2010-07-14 | 沈阳东方钛业有限公司 | Heat exchanger for distillation |
WO2014009762A1 (en) * | 2012-07-12 | 2014-01-16 | Albert Faritovich Saifutdinov | Rectification tower with internal heat and mass exchange and method for separation of multi-component mixtures into fractions using a rectification tower with an internal heat and mass exchange |
CN203227319U (en) * | 2013-04-28 | 2013-10-09 | 中冶焦耐工程技术有限公司 | Reboiler at bottom of anthracene distillation tower |
Non-Patent Citations (1)
Title |
---|
李燕: "《化工原理》", 31 July 2015, 延边大学出版社 * |
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Legal Events
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PB01 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20170630 Address after: 430083, Gate No. 2, Qingshan District, Hubei, Wuhan Applicant after: Wuhan iron and Steel Company Limited Address before: 430083 Qingshan District, Hubei, Wuhan factory before the door No. 2 Applicant before: WUHAN IRON AND STEEL CORPORATION |
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RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170111 |