CN2301254Y - Mixing tank with casing heat exchange baffle - Google Patents
Mixing tank with casing heat exchange baffle Download PDFInfo
- Publication number
- CN2301254Y CN2301254Y CN 97226276 CN97226276U CN2301254Y CN 2301254 Y CN2301254 Y CN 2301254Y CN 97226276 CN97226276 CN 97226276 CN 97226276 U CN97226276 U CN 97226276U CN 2301254 Y CN2301254 Y CN 2301254Y
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- CN
- China
- Prior art keywords
- heat exchange
- baffle plate
- stirred tank
- exchange baffle
- pipe
- 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.)
- Expired - Lifetime
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- Physical Or Chemical Processes And Apparatus (AREA)
- Accessories For Mixers (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a stirring tank with casing tube type heat exchange baffle plates. Heat exchange baffle plates of the stirring tank are vertically and uniformly distributed on a circumference sharing the same center with the wall of the stirring tank; each baffle plate is formed by that an inner and an outer two concentric tube sleeves are sheathed together; polishing treatment is carried out to outer tubes of the heat exchange baffle plates. The heat exchange baffle plates of the utility model have the advantages of simple structure and convenient manufacture, and the heat exchange baffle plates not only have the favorable baffle plate efficiency and the heat exchanging effect, but also have the characteristics that the baffle plates are not easy to kiss coating and are easy to clean pots.
Description
The utility model relates to a kind of stirred tank with the heat exchange baffle plate, particularly relates to a kind of stirred tank of the casing type heat exchanging baffle plate with outer surface polishing.
Stirred tank is a kind of container or device that has stirring, can be in order to mixing or the separation of carrying out material, as mixing kettle, stripping vessel etc.; Also can be used to carry out some chemical reaction, as reactor or polymeric kettle etc.
In stirred tank, the flox condition of material is considerable, and is general except that with appropriate stirring system, also will be furnished with rational baffle plate, stirs turning round and round or forming vortex of the material flow that causes to eliminate, and plays the control flow pattern and strengthen the effect of mixing effect.In stirred tank, carry out in the process of mixing of materials, separation or reaction, particularly in some polymerization process, the inwall of still and internals surface be deposition one deck material easily, need regularly clear still, this has just directly influenced effective utilization of capacity of stirred tank, therefore require the internals of still should be difficult for depositing material, and behind the deposition material, should be easy to remove.In addition, in stirred tank, carry out mixing of materials, in the process of separating or reacting, often be attended by heat exchange, what for example have need provide heat to material by the external world, the heat that then needs material is produced that has is (as reaction heat, heat of polymerization etc.) remove, to guarantee normally carrying out of process, it is needed that this is not only safety operation, and be desired for obtaining the homogeneous quality product, heat-exchange method commonly used be stirred tank add a chuck or outside coil pipe, chuck or outside feed heat-exchange working medium in the coil pipe, to carry out the heat exchange of material in heat-exchange working medium and the still, realize removing heat to the material heat supply or to material, but owing to be subjected to kettle external surface area and structural restriction, its exchange capability of heat is limited, thereby needs to carry out interior heat exchange at still Nei Jianei heat exchanger tube toward contact.Therefore in stirred tank, install a kind of not only played baffle effect but also play in the heat exchange baffle plate of heat exchange effect be a kind of comparatively desirable scheme, it both can destroy eddy current, the control flow pattern, thus strengthened mixing effect, simultaneously can realize interior heat exchange again, thereby also strengthen the heat exchange effect of stirred tank.Reported some multi-form heat exchange baffle plates in recent years, common heat exchange baffle plate is finger-type baffle plate, D shape hydraulic barrier, and vertical coiled heat exchange baffle plate etc.But the effect of existing heat exchange baffle plate is still not ideal enough, and its complex structure, and the surface deposits material easily and is difficult to remove (as form kiss-coating easily on the heat exchange baffle plate in polymerization process), and this has further influenced the heat exchange effect of heat exchange baffle plate.In a word, the existing heat exchange baffle plate resultant effect that is easy to remove at heat exchange area and heat exchange effect, control flow pattern and mixing effect, after being difficult for deposition material and deposition material etc. aspect three is still not ideal enough.
The purpose of this utility model provides a kind of stirred tank of the casing type heat exchanging baffle plate with the outer tube surface finish, and that this stirred tank has is simple in structure, good effect of heat exchange, be difficult for bridging and clear still advantage fast and easily.
The purpose of this utility model is achieved in that described stirred tank mainly is made up of kettle, stirring system and one group of heat exchange baffle plate.Each heat exchange baffle plate is nested together by inside and outside two concentric tubes and forms, and the heat exchange baffle plate uprightly is distributed on and the concentric garden of stirred tank wall on week, and is connected with the outlet header with the intake header of heat-exchange working medium respectively.But heat exchange baffle plate biserial is arranged in the major diameter still, is distributed on two concentric gardens of different radii.The number of every row heat exchange baffle plate is 2～12, is preferably 4～8.The caliber of heat exchange baffle plate is generally D
N50～D
N250mm.The standpipe cross section of heat exchange baffle plate can be a garden shape, also can be flat garden shape or ellipse garden shape.The outer tube of heat exchange baffle plate also can have straight fins for book wall pipe commonly used in the tube outside.The outer tube-surface of heat exchange baffle plate is through polishing, and surface roughness is better than
Preferably be better than
Material is difficult for also promptly being difficult for bridging at heat exchange baffle plate outer tube surface deposition in the still thereby make.The interior pipe of heat exchange baffle plate can be thick-walled pipe, also can be steel-plastics composite pipe.When the interior pipe of heat exchange baffle plate adopted thick-walled pipe, thick-walled pipe must possess certain thickness, and when the external diameter of thick-walled pipe was less than or equal to 160mm, its wall thickness was at least 4mm; When the external diameter of thick-walled pipe during greater than 160mm, its wall thickness is at least 2.5% of internal diameter.When the interior pipe of heat exchange baffle plate adopts steel-plastics composite pipe, steel-plastics composite pipe can be composited by general light-wall pipe and plastics, the interior pipe of heat exchange baffle plate adopts steel-plastics composite pipe or thick-walled pipe, the heat exchange in the time of can reducing heat-exchange working medium and between inner and outer pipes, flow, thus improve the heat exchange effect.
During operation, heat-exchange working medium flows into from the import endless tube between the inner and outer pipes of each heat exchange baffle plate, is flowed out by the outlet endless tube through interior pipe then.
In said stirred tank, kettle is common apparatus commonly used, and stirring system also is general mixing plant, can adopt alr modes such as general axial flow type, radial type or mixed type.In addition, also configurable as required other accessory, as the external jacket of stirred tank, reinforced uniform distribution plate, the turnover pipeline of material etc.
Fig. 1 is the schematic diagram of the utility model stirred tank.
The schematic diagram that Fig. 2 arranges for each heat exchange baffle plate of the utility model stirred tank.
Fig. 3 is the heat exchange baffle plate schematic diagram of thick-walled pipe as pipe in the heat exchange baffle plate.
Fig. 4 is the heat exchange baffle plate schematic diagram of steel-plastics composite pipe as pipe in the heat exchange baffle plate.
Below in conjunction with accompanying drawing the utility model is further described, but the utility model is not limited to this.
In Fig. 1 to Fig. 3, stirred tank [1] is equipped with stirring system [2], with the concentric garden of stirred tank wall on week, uprightly be evenly equipped with four heat exchange baffle plates, each heat exchange baffle plate is nested together by the concentric tube of two garden shapes and forms.The heat exchange baffle plate outer tube [3] of surface finish communicates with heat-exchange working medium import endless tube [5].Pipe [4] is a thick-walled pipe in the heat exchange baffle plate, and its external diameter is 219mm, and wall thickness is 7mm.Pipe [4] is connected with heat-exchange working medium outlet endless tube [6] in the heat exchange baffle plate, and heat-exchange working medium import endless tube [5] connects inlet house steward [7], and heat-exchange working medium outlet endless tube [6] connects outlet header [8].In the stirred tank operating process, heat-exchange working medium is by inlet house steward [7] space between the pipe [4] in heat-exchange working medium import endless tube [5] flows into heat exchange baffle plate outer tube [3] and heat exchange baffle plate, and then enters heat-exchange working medium and export endless tube [6] and flow out through outlet header [8] by interior manage [4] of heat exchange baffle plate.Because the interior pipe of heat exchange baffle plate is a thick-walled pipe, reduced the heat exchange between the heat-exchange working medium in the pipe [4] in heat exchange baffle plate outer tube [3] and heat exchange baffle plate, improved the heat exchange effect of material in heat-exchange working medium and the still.And because the surface finish of heat exchange baffle plate outer tube [3] and have simple upright shape, material is difficult for deposition thereon, has prolonged the operation cycle of stirred tank; When maintenance, compare more easy-maintaining and cleaning with existing heat exchange baffle plate.
In Fig. 4, heat exchange baffle plate outer tube [3] is a light-wall pipe, and its surface is through polishing, and pipe [4] is a steel-plastics composite pipe in the heat exchange baffle plate, is to be compounded with one deck plastics [9] by the outside at light-wall pipe commonly used to form.
Stirred tank of the present utility model can be used as the equipment that need to carry out stirring operation, is particularly suitable for Breast as the emulsion polymerisation of conjugated diene or polymerisation in solution, conjugated diene-vinyl-arene The emulsion polymerisation of liquid copolymerization or solution copolymerization, ethene-vinyl acetate, the emulsion polymerisation of acrylate, The polymeric kettle of the suspension polymerisation of vinyl chloride etc. Adopt band casing type heat exchanging gear described in the utility model The stirred tank of plate has the following advantages:
1. the heat exchange baffle plate that adopts of this stirred tank, compared with prior art, its heat exchange baffle plate outer tube The surface carried out polishing, and have the simple structure of straight shape pipe, not only easily manufactured, and And material is difficult for also namely being difficult for bridging at heat exchange baffle plate outer tube surface deposition in the still.
2. when the inner tube of heat exchange baffle plate adopts steel-plastics composite pipe or thick-walled pipe, can reduce heat-exchange working medium Heat exchange when between heat exchange baffle plate inner and outer pipes, flowing. Thereby raising heat transfer effect.
3. the heat exchange baffle plate that adopts of stirred tank of the present utility model, the number of its baffle plate, baffle plate are arranged The shape of outer tube diameter, the outer tube section of baffle plate of columns, baffle plate and size etc. all can advance on request Row changes, thereby can obtain required heat exchange area and baffle plate effect, thereby strong adaptability, effect Good.
4. when maintenance cleaning stirred tank equipment, stirred tank cleaning of the present utility model is easy, and clearance time is short.For general 10～15 cubes of stirred tanks of adopting, its clear still time is approximately 72～168 hours, and the onesize stirred tank of the utility model, the clear still time only needs 18 hours.
Claims (14)
1, a kind of stirred tank with the casing type heat exchanging baffle plate, comprise kettle, stirring system and one group of heat exchange baffle plate, each heat exchange baffle plate uprightly be distributed on the concentric circumference of stirred tank wall on, and be connected with the outlet header with the intake header of heat-exchange working medium respectively, it is characterized in that the heat exchange baffle plate is made up of inside and outside two concentric tubes, and the outer surface of outer tube polishes.
2,, it is characterized in that pipe is a thick-walled pipe in the heat exchange baffle plate according to the described stirred tank of claim 1.
3, according to the described stirred tank of claim 2, when the external diameter that it is characterized in that said thick-walled pipe was less than or equal to 160mm, its wall thickness was at least 4mm.
4, according to the described stirred tank of claim 2, the external diameter that it is characterized in that said thick-walled pipe is during greater than 160mm, and its wall thickness is at least 2.5% of internal diameter.
5,, it is characterized in that pipe is a steel-plastics composite pipe in the heat exchange baffle plate according to the described stirred tank of claim 1.
6, according to the described stirred tank of claim 5, it is characterized in that said steel-plastics composite pipe is to be composited by light-wall pipe and plastics,
7, according to the described stirred tank of claim 1, the standpipe cross section that it is characterized in that the heat exchange baffle plate is circular.
8, according to the described stirred tank of claim 1, the standpipe cross section that it is characterized in that the heat exchange baffle plate is oblate.
9, according to the described stirred tank of one of claim 1～8, it is characterized in that each heat exchange baffle plate uprightly be distributed on the concentric same circumference of stirred tank wall on.
10,, it is characterized in that each heat exchange baffle plate uprightly is distributed on respectively on two circumference different with the concentric radius of stirred tank wall according to the described stirred tank of one of claim 1～8.
11, according to the described stirred tank of claim 9, the number that it is characterized in that the heat exchange baffle plate is 2～12.
12, according to the described stirred tank of claim 9, the number that it is characterized in that the heat exchange baffle plate is 4～8.
13, according to the described stirred tank of claim 10, the number that it is characterized in that every row heat exchange baffle plate is 2～12.
14, according to the described stirred tank of claim 10, the number that it is characterized in that every row heat exchange baffle plate is 4～8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97226276 CN2301254Y (en) | 1997-08-29 | 1997-08-29 | Mixing tank with casing heat exchange baffle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97226276 CN2301254Y (en) | 1997-08-29 | 1997-08-29 | Mixing tank with casing heat exchange baffle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2301254Y true CN2301254Y (en) | 1998-12-23 |
Family
ID=33940055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97226276 Expired - Lifetime CN2301254Y (en) | 1997-08-29 | 1997-08-29 | Mixing tank with casing heat exchange baffle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2301254Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108619991A (en) * | 2018-07-06 | 2018-10-09 | 南京正源搪瓷设备制造有限公司 | A kind of enamel still mixing baffle structure |
| CN115141299A (en) * | 2022-06-24 | 2022-10-04 | 山东京博石油化工有限公司 | Process system and method for continuously producing polyolefin elastomer |
-
1997
- 1997-08-29 CN CN 97226276 patent/CN2301254Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108619991A (en) * | 2018-07-06 | 2018-10-09 | 南京正源搪瓷设备制造有限公司 | A kind of enamel still mixing baffle structure |
| CN108619991B (en) * | 2018-07-06 | 2023-12-26 | 南京正源搪瓷设备制造有限公司 | Enamel kettle stirring baffle structure |
| CN115141299A (en) * | 2022-06-24 | 2022-10-04 | 山东京博石油化工有限公司 | Process system and method for continuously producing polyolefin elastomer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |