CN109833639A - A kind of split type partition in next door tower - Google Patents
A kind of split type partition in next door tower Download PDFInfo
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- CN109833639A CN109833639A CN201711200991.8A CN201711200991A CN109833639A CN 109833639 A CN109833639 A CN 109833639A CN 201711200991 A CN201711200991 A CN 201711200991A CN 109833639 A CN109833639 A CN 109833639A
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- partition
- sealing plate
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- next door
- split type
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Abstract
The invention discloses the split type partitions in a kind of next door tower, mainly include partition a, partition b, front sealing plate, longitudinal sealing plate a and longitudinal sealing plate b and sealing backside plate.The partition a is longitudinal baffle, is welded close to tower wall one end and tower wall, and the other end is equipped with " Z " font bending.The structure in tower is welded on compared to by a monolith partition, partition piecemeal can be carried out assembly welding by this split type partition used in the present invention, bigger operating space is not only left to construction personnel, fine welding convenient to carry out and internal installation work, it is thus also avoided that due to caused by partition temperature difference the problem of partition linear expansion.
Description
Technical field
The present invention relates to the split type partitions in a kind of next door tower, belong to Chemical static equipment field.
Background technique
Next door tower refers to is arranged a vertical clapboard in tower, tower body is divided into public rectifying section, prefractionation section is public to mention
Four parts of section and side take-off section are evaporated, efficiently separating for ternary component mixture may be implemented.Conventional three-way component mixture
Separation be realized using two towers and the equipment to match, and use next door tower then can be tower-coupled in a tower by two
It is interior, it can be reduced a condenser and reboiler compared to conventional double tower process, reduce equipment cost, on the other hand can save energy
Consumption 30% ~ 50%.The main application fields of next door tower include the separation of ternary mixture system, reactive distillation, azeotropic distillation and low temperature
Rectifying Air separation industry etc., economic benefit is very significant, causes the extensive concern of numerous researchers in the industry in recent years.
As the representative of thermal coupling distillation technology, next door tower is since 1985 just in BASF AG, Uop Inc., LINDE
Company, the developments such as Montz company research and develop and establish numerous industrialized units.The slightly evening one that the research of domestic counter septum tower starts
A bit, such as Beijing Ze Hua company, Tianjin company, Ao Zhan Xingda etc. have had the patent of several next door distillation technologies and have been put to
Engineering practice.On the whole the research of current counter septum tower is largely focused on to its processing simulation, technological design and control
In method, the research and design of counter septum tower internal component are also relatively fewer.
The internal component of next door tower mainly includes partition, liquid dispensing apparatus, gas distributing device, filler tower internals or plate
Formula tower internals etc..Partition is mainly discussed in the present invention, the position in tower, every section of conversion zone in the length and tower of partition
Length can all influence the separating effect of next door tower.Main function one of partition is to separate space in tower and realize that a tower is more
With, it is desirable that the part that partition is connect with tower wall will have good sealing performance, and the gas-liquid phase materials of partition two sides is avoided to return
It is mixed；Another effect is the pressure drop that partition two sides can be adjusted by adjusting the position of partition, is wanted to meet corresponding technique
It asks.Common partition is that a block of metal plate is welded in tower, but this structure is relatively specific for the next door tower that diameter is greater than 1m,
Otherwise it is unfavorable for the welding of partition and the installation of tower internals.Partition can also be divided into several pieces to fit together, this structure
Corresponding description has been done in the prior art following.
It is disclosed in the patent document of Patent No. US5914012 a kind of for multicomponent mixture continuous rectificating technique
Next door tower, and the connection type of diaphragm structure and partition in counter septum tower and tower wall is discussed in detail.As shown in Figure 1, every
It is fixed in structured packing 4 on the right side of 3 piecemeal of plate and partition；Partition left-hand face is provided with liquid guide flow plate 6, can play anti-
Only the effect of wall stream occurs in baffle surface for liquid phase.A gasket 7 is equipped between 3 left-hand face of partition and liquid guide flow plate 6, every
3 lower end of plate, which does bead designs and is equipped with a sealing plate band 5, avoids gas phase and liquid phase to guarantee the leakproofness between two pieces of partitions
Joint gap across partition is to the partition other side.It is illustrated in figure 2 another diaphragm structure form of the invention, difference and figure
1 structure is that partition 3 is not fixed in structured packing 4, and its right and left is respectively provided with liquid guide flow plate 6.Two in the invention
The major defect of kind scheme is: first, partition 3 and structured packing 4 are fixed together and are unfavorable for the disassembly of filler, and partition
The bead designs of 3 lower ends need the shape to structured packing 4 to do a specially treated, increase structured packing 4 in actual production
Manufacture difficulty；Second, liquid guide flow plate 6 is arranged in either unilateral setting liquid guide flow plate 6 or both sides, is required to 3 liang of partition
Side reserves corresponding space, is equivalent to the actual size for reducing structured packing 4, reduces the mass transfer area of gas-liquid two-phase；
Third, liquid guide flow plate 6 will affect the installation of tower internals.
A kind of partition being stitched together by several metal sheets is disclosed in the patent document of Patent No. EP1088577
Structure, and the partition is free-standing partition.As shown in figure 3,2 piecemeal of partition, partition side is equipped with backing plate 5,5 other side of backing plate
Equipped with grip block 4a and 4b, another piece of partition after piecemeal is inserted directly between grip block 4a and 4b in gap.Outside grip block 4b
Equipped with plate 4 sealing together, to guarantee the seal request of piecemeal partition room.It can be using weldering between partition 2, backing plate 5 and sealing plate 4
It connects, can also be connected using bolt and nut.Using a kind of elastic sheet metal 9 and 10 when entire baffle assembly is connect with tower wall, lead to
Crossing the pressing force generated when partition splicing is bonded elastic sheet metal closely with tower wall.Compared to the partition of whole welding type, this
Kind splicing free-standing partition is relatively specific for minor diameter next door tower, bigger operating space can be provided for installation personnel, simultaneously
Reduce the welding workload in tower.But it the disadvantage is that is easily deformed during the installation process since partition is relatively thin, in turn
The problem of poor sealing occurs.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides the split type partition in a kind of next door tower, is able to solve: (1) every
The welding of plate and tower wall and sealing problem；(2) space is smaller in its two sides tower after partition welding is unfavorable for asking for tower internals installation
Topic.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: the fission in a kind of next door tower is provided
Formula partition, including partition a, partition b, sealing backside plate, front sealing plate, longitudinal sealing plate a and longitudinal sealing plate b.It is described every
Plate a is longitudinal baffle, and plate is wide between 100 ~ 300mm.Partition a is welded close to tower wall one end and tower wall, and the other end is equipped with one
" Z " font bending.
In above-mentioned technical proposal, the partition a is 4 ~ 8mm with a thickness of δ, δ.The radius R of " Z " the font bending is equal to
δ；The length of " Z " font bending is L, and L is 40 ~ 80mm.
In above-mentioned technical proposal, the partition b is lateral partitions, and for plate height between 500 ~ 1000mm, thickness is equal to δ.
The left and right ends of partition b are overlapped in " Z " font bending of partition a, and guarantee the flush of partition b and partition a.
In above-mentioned technical proposal, a sealing backside plate is welded at the docking at the back side the partition b.The sealing backside plate
Width is between 50 ~ 200mm, and there are the weld seams of 4mm between left and right ends and partition a.
In above-mentioned technical proposal, the positive lap-joint of the partition a and partition b are welded with a longitudinal sealing plate a.The longitudinal direction
Sealing plate a width between 50 ~ 100mm, and the upper end be higher by partition b on along 30 ~ 60mm, the lower edge of lower end and partition b
Concordantly.
In above-mentioned technical proposal, the upper end of the longitudinal sealing plate a is welded with longitudinal sealing plate b.Longitudinal sealing plate b's
Width is equal with the width of longitudinal sealing plate a, and the upper end longitudinal sealing plate b be higher by partition b on along 30 ~ 60mm.
In above-mentioned technical proposal, a front sealing plate is welded at the positive docking of partition b.The front sealing plate
Width is between 50 ~ 200mm, and there are the weld seams of 4mm between left and right ends and partition a.
In above-mentioned technical proposal, the partition a, partition b, sealing backside plate, front sealing plate, longitudinal sealing plate a and vertical
Stainless steel or carbon steel material are all made of to sealing plate b.
Compared with prior art, beneficial effects of the present invention are following three.
(1) it is fitted together in order again after partition piecemeal, bigger space can be provided to construction personnel, be convenient for constructor
Member carries out fine welding and installment work.Especially in tower of the diameter less than 1m or the position center Bu Ta of partition
It is easier to weld and install internals and filler under design conditions.
When (2) one monolith partitions are directly welded with tower wall, if there are the biggish temperature difference in operating process, partition can be caused
Along the diametric linear expansion of tower body, will affect the rigidity and stability of tower body when serious, and after partition piecemeal again with
Tower wall welding, then it is possible to prevente effectively from this problem.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of the partition in the prior art of Patent No. US5914012.
The structural schematic diagram for the partition another in the prior art that Fig. 2 is Patent No. US5914012.
Fig. 3 is the structural schematic diagram of the partition in the prior art of Patent No. EP1088577.
Fig. 4 is the main view of the split type partition in a kind of next door tower of the present invention.
Fig. 5 is the rearview of the split type partition in a kind of next door tower of the present invention.
Fig. 6 is the top view of the split type partition in a kind of next door tower of the present invention.
Fig. 7 is the partial enlarged view of the split type partition in a kind of next door tower of the present invention.
Fig. 8 is the structural schematic diagram of the 1 partition a of part of the split type partition in a kind of next door tower of the present invention.
In figure: 1. partition a；2. partition b；3. sealing backside plate；4. longitudinal sealing plate a；5. longitudinal sealing plate b；6.
Front sealing plate.
Specific embodiment
Technical solution of the present invention is described in further detail in the following with reference to the drawings and specific embodiments, it is described specific
Embodiment is only explained the present invention, is not intended to limit the invention.
It is illustrated in figure 4 the main view of the split type partition in a kind of next door tower of the present invention, including partition a(1), partition b
(2), sealing backside plate (3), longitudinal sealing plate a(4), longitudinal sealing plate b(5), front sealing plate (6).Wherein partition a(1) it leans on
One end of nearly tower wall and tower wall are welded, and the other end is equipped with " Z " font bending.As shown in figure 8, the radius R etc. of the bending part
In δ, between 4 ~ 8mm, the length L of bending is 40 ~ 80mm.Partition b(2) left and right ends be directly overlapped on partition a(1) folding
On curved, and partition b(2) flush with partition a(1).Partition b(2) positive docking at be equipped with a front sealing plate (6)；
As shown in figure 5, partition b(2) back side docking at be equipped with a sealing backside plate (3).This two pieces of sealing plates be required to be welded on every
Plate b(2) surface, to guarantee that gas-liquid two-phase will not be by partition b(2) butt seam at arrive the partition other side.Partition a(1) with
Partition b(2) positive lap-joint be welded with a longitudinal sealing plate a(4), longitudinal sealing plate a(4) lower end and partition b(2)
Lower edge is concordant, and the upper end is welded with longitudinal sealing plate b(5).
Embodiment 1: next door tower diameter is 1000mm, preferred separator a(1), partition b(2), sealing backside plate (3), Zong Xiangmi
Sealing plate a(4), longitudinal sealing plate b(5) and the thickness δ of front sealing plate (6) be 4mm.Partition a(1) width be preferably
200mm, the radius R of " Z " font bending are preferably 4mm, and the length L of bending is preferably 50mm, and the position of partition occupy next door tower
Centre, guarantee partition two sides gas-liquid circulation area are 1:1.The then two pieces of partition a(1 in left and right in tower) the distance between be 600mm, foot
Enough installation personnels pass through.Partition b(2) it is highly preferred be 500mm, step 1: by two pieces of partition a(1 when installation) respectively
Be welded in the tower wall of two sides, then one piece of partition b(2) be overlapped on partition a(1) bending on, it is black in specific pad such as Fig. 7
Shown in color triangle region.Packing support and filler can be first installed at this time, by partition b(2 preferred in the present embodiment) height
Degree construction personnel may stand in partition side and bend over to carry out the welding of the partition other side.
Step 2: second piece of partition b(2) to be located next to the partition b(2 of lower section shown in as shown in Figure 4 and Figure 5) and its left side
Right both ends are overlapped on partition a(1) bending on, then in this two pieces of partition b(2) back side docking at weld one piece of sealing backside
The width of plate (3), the sealing backside plate (3) is preferably 60mm, guarantees two pieces of partition b(2 up and down) between it is close at butt seam
Sealing property.The right and left of the sealing backside plate (3) is away from the weld seam between partition a(1) there are 4mm, specific pad such as Fig. 7
It is shown.
Step 3: longitudinal sealing plate a is welded on partition a(1) and partition b(2) positive lap-joint, the longitudinal sealing plate
The width of a is preferably 60mm, and the upper end is higher by partition b(2) on along 30mm, lower end is concordant with the lower edge of partition b.Then
The same method of longitudinal sealing plate b is welded on partition a(1 again) and partition b(2) positive lap-joint,
Upper end is higher by partition b(2) on along 30mm, lower end is concordant with longitudinal sealing plate a.
Step 4: front sealing plate (6) is welded on two pieces of partition b(2) positive docking at, the width of the sealing plate (6)
Degree is preferably 60mm, it is ensured that the sealing performance at the butt seam.The right and left of the front sealing plate (6) is away from partition a(1)
Between there are the weld seam of 4mm, specific pad is as shown in Figure 7.
Split type diaphragm structure in a kind of next door tower proposed by the present invention is simple, is easily installed, is particularly suitable for diameter
The case where when the position middle Bu Ta of rectifying column and partition less than 1m.Integrated partition structure band can preferably be solved
The tower internals installation come and Welding Problems, are suitable for the separation of ternary mixture system, reactive distillation, azeotropic distillation and cryogenic rectification
Air separation industry etc., with good application prospect.
The above is the preferred embodiment of the present invention, not as limitation of the present invention.The present invention can when practical application
To there is different designs according to different technological parameters.All structures and form in scope of the presently claimed invention, are done
Any modification, replacement and improvement, should all be included in the protection scope of the present invention.
(3) use " Z " font bending, sealing backside plate, front sealing plate, longitudinal sealing plate a and longitudinal sealing plate b's sets
Meter can preferably realize the sealing between the partition of each piecemeal, avoid partition two sides that the air-teturning mixed phenomenon of gas phase and liquid phase occurs,
It ensure that the purity of side take-off workshop section intermediate products.
Claims (9)
1. the split type partition in a kind of next door tower, including partition a, partition b, front sealing plate, longitudinal sealing plate a and longitudinal direction are close
Sealing plate b, sealing backside plate, it is characterised in that: the partition a is longitudinal baffle, and plate is wide between 100 ~ 300mm, and partition a is leaned on
Nearly tower wall one end and tower wall are welded, and the other end is equipped with " Z " font bending.
2. the split type partition in a kind of next door tower according to claim 1, it is characterised in that: the thickness δ of the partition a
For 4 ~ 8mm.
3. the split type partition in a kind of next door tower according to claim 1, it is characterised in that: " Z " the font bending
Radius R be equal to δ, the length L of " Z " font bending is 40 ~ 80mm.
4. the split type partition in a kind of next door tower according to claim 1, it is characterised in that: the partition b is laterally
Partition, for plate height between 500 ~ 1000mm, thickness is equal to δ, and the left and right ends of partition b are overlapped on " Z " the font folding of partition a
On curved, and the flush of partition b and partition a.
5. the split type partition in a kind of next door tower according to claim 1, it is characterised in that: the back side the partition b
A sealing backside plate is welded at docking, the width of the sealing backside plate between 50 ~ 200mm, left and right ends and partition a it
Between there are the weld seams of 4mm.
6. the split type partition in a kind of next door tower according to claim 4, it is characterised in that: the partition a and partition b
Positive lap-joint be welded with a longitudinal sealing plate a, the longitudinal sealing plate a width is between 50 ~ 100mm, and the upper end is higher by
Along 30 ~ 60mm on partition b, lower end is concordant with the lower edge of partition b.
7. the split type partition in a kind of next door tower according to claim 6, it is characterised in that: the longitudinal sealing plate a
Upper end be welded with longitudinal sealing plate b, the width of longitudinal sealing plate b is equal with the width of longitudinal sealing plate a, and this is longitudinal close
The upper end sealing plate b be higher by partition b on along 30 ~ 60mm.
8. the split type partition in a kind of next door tower according to claim 1, it is characterised in that: the partition b is positive
A front sealing plate is welded at docking, the width of the front sealing plate between 50 ~ 200mm, left and right ends and partition a it
Between there are the weld seams of 4mm.
9. the split type partition in a kind of next door tower according to claim 1, it is characterised in that: the partition a, partition b,
Sealing backside plate, front sealing plate, longitudinal sealing plate a and longitudinal sealing plate b are all made of stainless steel or carbon steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711200991.8A CN109833639A (en) | 2017-11-27 | 2017-11-27 | A kind of split type partition in next door tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711200991.8A CN109833639A (en) | 2017-11-27 | 2017-11-27 | A kind of split type partition in next door tower |
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| Publication Number | Publication Date |
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| CN109833639A true CN109833639A (en) | 2019-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711200991.8A Withdrawn CN109833639A (en) | 2017-11-27 | 2017-11-27 | A kind of split type partition in next door tower |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999001193A1 (en) * | 1997-07-03 | 1999-01-14 | M. W. Kellogg Limited | Distllation columns for fractionation |
| US6770173B1 (en) * | 1999-09-30 | 2004-08-03 | Julius Montz Gmbh | Column partition |
| EP1390111B1 (en) * | 2001-05-18 | 2010-11-17 | JULIUS MONTZ GmbH | Fixing parts for partition elements of a multi-section partition plate of a column |
| CN102657949A (en) * | 2012-05-09 | 2012-09-12 | 河北工业大学 | Method for increasing thermodynamic efficiency of dividing wall column and dividing wall column |
| CN102143787B (en) * | 2008-09-03 | 2013-12-04 | 乔治洛德方法研究和开发液化空气有限公司 | Method for fabricating divided wall columns |
| CN105457324A (en) * | 2014-08-20 | 2016-04-06 | 拜耳材料科技(中国)有限公司 | Separator plate rectifying tower |
-
2017
- 2017-11-27 CN CN201711200991.8A patent/CN109833639A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999001193A1 (en) * | 1997-07-03 | 1999-01-14 | M. W. Kellogg Limited | Distllation columns for fractionation |
| US6770173B1 (en) * | 1999-09-30 | 2004-08-03 | Julius Montz Gmbh | Column partition |
| EP1390111B1 (en) * | 2001-05-18 | 2010-11-17 | JULIUS MONTZ GmbH | Fixing parts for partition elements of a multi-section partition plate of a column |
| CN102143787B (en) * | 2008-09-03 | 2013-12-04 | 乔治洛德方法研究和开发液化空气有限公司 | Method for fabricating divided wall columns |
| CN102657949A (en) * | 2012-05-09 | 2012-09-12 | 河北工业大学 | Method for increasing thermodynamic efficiency of dividing wall column and dividing wall column |
| CN105457324A (en) * | 2014-08-20 | 2016-04-06 | 拜耳材料科技(中国)有限公司 | Separator plate rectifying tower |
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Application publication date: 20190604 |