CN206543591U - A kind of polyester process tower - Google Patents
A kind of polyester process tower Download PDFInfo
- Publication number
- CN206543591U CN206543591U CN201720236790.2U CN201720236790U CN206543591U CN 206543591 U CN206543591 U CN 206543591U CN 201720236790 U CN201720236790 U CN 201720236790U CN 206543591 U CN206543591 U CN 206543591U
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- CN
- China
- Prior art keywords
- cylinder
- upper cover
- tower
- heating agent
- process tower
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model is related to a kind of polyester process tower, including cylinder one and cylinder two, cylinder one and cylinder two are connected by reverse taper, cylinder one includes upper cover and the body of cylinder one, upper cover is provided with detachable thermometric seat, and upper cover center exports for overhead vapours, the body of cylinder one is provided with hanger and lime set refluxing opening, liquid distribution trough is sequentially provided with from up to down in cylinder one, structured packing, guide shell and tower tray sub-assembly, lime set refluxing opening connects liquid distribution trough by pipeline, cylinder two includes low head and the body of cylinder two, the body of cylinder two is provided with spray liquid entrance, steam inlet and heating agent outlet.Liquid distribution trough, structured packing, guide shell and the tower tray of folding sub-assembly are sequentially provided with the tower from up to down, to increase material contact area, extend the material holdup time, contour size of the unit(s) is reduced on the premise of process requirements are met, cost of manufacture is reduced, the requirement to site condition is also decreased.
Description
Technical field
The utility model is related to production of polyester field, more particularly, to a kind of polyester process tower small to site requirements.
Background technology
Polyester process tower is particularly important equipment in production of polyester, and its effect is to ethylene glycol（EG）With the mixture of water
Separated, its separating effect by directly affect esterification be normally carried out and consumption of raw materials height, it is but existing poly-
The most appearance and size of ester process tower is big, and the requirement to place is also very high, causes cost of manufacture high.
The content of the invention
The utility model aims to solve the problem that drawbacks described above, and there is provided the polyester that a kind of, appearance and size low to site requirements reduces
Process tower.
In order to overcome defect present in background technology, the utility model solves the technical scheme that its technical problem is used
It is：A kind of polyester process tower, including cylinder one and cylinder two, cylinder one and cylinder two are connected by reverse taper, and cylinder one includes
Upper cover and the body of cylinder one, upper cover are exported provided with detachable thermometric seat, and upper cover center for overhead vapours, cylinder
One body is provided with hanger and lime set refluxing opening, cylinder one and is sequentially provided with liquid distribution trough, structured packing, water conservancy diversion from up to down
Cylinder and tower tray sub-assembly, lime set refluxing opening connect liquid distribution trough by pipeline, and cylinder two includes low head and the body of cylinder two,
The body of cylinder two is provided with Heating medium, and lower envelope provided with spray liquid entrance, steam inlet and heating agent outlet, the low head
Be provided with liquid-phase outlet at head bottom center, be provided with heating agent device at the inner bottom of cylinder two, heating agent device connection Heating medium and
Heating agent is exported.
In a preferred embodiment of the present utility model, structured packing is included by support device, support meanss
Supportive grid, the bracing ring for being arranged on supportive grid two ends bottom and the gusset for being arranged on bracing ring bottom.
In a preferred embodiment of the present utility model, ear mount is additionally provided with the body of cylinder two.
In a preferred embodiment of the present utility model, steam inlet is connected in the body of cylinder two by pipeline, and
Fixed with the inner body wall of cylinder two by link of boards.
The beneficial effects of the utility model are：Liquid distribution trough, structured packing, water conservancy diversion are sequentially provided with the tower from up to down
Cylinder and the tower tray sub-assembly folded, to increase material contact area, extend the material holdup time, are meeting the premise of process requirements
Under reduce contour size of the unit(s), reduce cost of manufacture, the requirement to site condition is also decreased.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is mplifying structure schematic diagram at A in Fig. 1.
Embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, so that advantage of the present utility model
It can be easier to be readily appreciated by one skilled in the art with feature, so as to make protection domain of the present utility model apparent clear and definite
Define.
A kind of polyester process tower, including cylinder 1 and cylinder 22 as shown in Figure 1 to Figure 2, the cylinder 1 and cylinder two
2 are connected by reverse taper 3, and cylinder 1 includes upper cover 4 and the body 5 of cylinder one, and upper cover 4 is provided with detachable thermometric seat
401, and the center of upper cover 4 is overhead vapours outlet 402, the body 5 of cylinder one is provided with hanger 501 and lime set refluxing opening 502,
Liquid distribution trough 6, structured packing 7, guide shell 8 and tower tray sub-assembly 9, liquid distribution are sequentially provided with cylinder 1 from up to down
Device 6 is distributed evenly in liquid at the top of structured packing 7, and structured packing 7 can be effectively increased specific surface area, and tower tray sub-assembly is adopted
With foldable structure, lime set refluxing opening 502 connects liquid distribution trough 6 by pipeline, and cylinder 22 includes low head 10 and cylinder two
Body 11, the body 11 of cylinder two is provided with spray liquid entrance 12, steam inlet 13 and heating agent outlet 14, and low head 10 is provided with heating agent
It is provided with import 15, and the bottom center of low head 10 at liquid-phase outlet 16, the inner bottom of cylinder 22 and is provided with heating agent device
17, heating agent device 17, which is connected in Heating medium 15 and heating agent outlet 14, heating medium for heating device, heating coil.
Structured packing 7 is by support device, and support meanss include supportive grid 18a, are arranged on supportive grid 18a two
Hold the bracing ring 18b of bottom and be arranged on the gusset 19 of bracing ring 18b bottoms, structured packing is supported by support meanss, increase
Plus the overall robustness of process tower.
Ear mount 20 is additionally provided with the body 11 of cylinder two, it is convenient that installation is integrally realized to process tower.
Steam inlet 13 is connected in the body of cylinder two by pipeline, and is connected with the inwall of two body of cylinder 11 by gusset 19
Fixation is connect, increases the robustness of connection, the overall stability of enhancing process tower.
Pending material is from steam inlet 13 enters process tower, and separation ethylene glycol is with the thermal source needed for water by process tower
Internal heating agent device 17（Internal heating coils）There is provided, high-temperature liquid-phase heating agent enters through Heating medium 15, after heat exchange cooling
Heating agent is discharged from heating agent outlet 14, and it is 183 DEG C to control bottom tower temperature degree, and tower gas phase is sent out through overhead vapours outlet 402, condensed
（Temperature control is 40 DEG C）, collect, after pump pressurization, returned from lime set refluxing opening 502 in process tower, through liquid distribution trough 6, regular
Filler 7, guide shell 8 and tower tray sub-assembly 9, tower top control pressure are 0.5kpa.g, and tower top controls temperature to be 100 DEG C, realizes essence
Cut from, purification, bottom of towe reclaim ethylene glycol content>99. 0%, discharged through liquid-phase outlet 16.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in
Other related technical fields, are similarly included in scope of patent protection of the present utility model.
Claims (4)
1. a kind of polyester process tower, it is characterised in that：Including cylinder one and cylinder two, the cylinder one and cylinder two pass through back taper
Body is connected, and the cylinder one includes upper cover and the body of cylinder one, and upper cover is provided with detachable thermometric seat, and upper cover center
Locate to export for overhead vapours, the body of cylinder one is provided with hanger and lime set refluxing opening, in the cylinder one from up to down according to
Secondary to be provided with liquid distribution trough, structured packing, guide shell and tower tray sub-assembly, the lime set refluxing opening connects liquid point by pipeline
Cloth device, the cylinder two includes low head and the body of cylinder two, and the body of cylinder two is provided with spray liquid entrance, steam inlet
With heating agent outlet, the low head, which is provided with Heating medium, and low head bottom center, is provided with liquid-phase outlet, the cylinder two
Heating agent device, the heating agent device connection Heating medium and heating agent outlet are provided with inner bottom.
2. polyester process tower according to claim 1, it is characterised in that：The structured packing passes through support device, branch
Support arrangement includes supportive grid, the bracing ring for being arranged on supportive grid two ends bottom and the gusset for being arranged on bracing ring bottom.
3. polyester process tower according to claim 1, it is characterised in that：Ear mount is additionally provided with the body of cylinder two.
4. polyester process tower according to claim 1, it is characterised in that：The steam inlet is connected to cylinder two by pipeline
In body, and fixed with the inner body wall of cylinder two by link of boards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720236790.2U CN206543591U (en) | 2017-03-13 | 2017-03-13 | A kind of polyester process tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720236790.2U CN206543591U (en) | 2017-03-13 | 2017-03-13 | A kind of polyester process tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206543591U true CN206543591U (en) | 2017-10-10 |
Family
ID=59995205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720236790.2U Active CN206543591U (en) | 2017-03-13 | 2017-03-13 | A kind of polyester process tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206543591U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108392848A (en) * | 2018-05-04 | 2018-08-14 | 南通百川新材料有限公司 | Esterification separation device of trioctyl trimellitate |
-
2017
- 2017-03-13 CN CN201720236790.2U patent/CN206543591U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108392848A (en) * | 2018-05-04 | 2018-08-14 | 南通百川新材料有限公司 | Esterification separation device of trioctyl trimellitate |
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