CN203417474U - Film distribution device of falling-film evaporator used for concentration of caustic soda and caustic soda flakes - Google Patents
Film distribution device of falling-film evaporator used for concentration of caustic soda and caustic soda flakes Download PDFInfo
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- CN203417474U CN203417474U CN201320378102.8U CN201320378102U CN203417474U CN 203417474 U CN203417474 U CN 203417474U CN 201320378102 U CN201320378102 U CN 201320378102U CN 203417474 U CN203417474 U CN 203417474U
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- film
- falling
- caustic soda
- liquid film
- falling liquid
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Abstract
The utility model discloses a film distribution device of a falling-film evaporator used for concentration of caustic soda and caustic soda flakes. The film distribution device comprises a falling-film concentration pipe, wherein the upper end of the falling-film concentration pipe extends into an alkali liquor inlet pipe box; an alkali liquor inlet is formed in the alkali liquor inlet pipe box; and a plurality of film distribution grooves are uniformly formed in the circumference of the upper end of the falling-film concentration pipe in the alkali liquor inlet pipe box, and every film distribution groove penetrates through the wall of the falling-film concentration pipe and is in the same rotating direction and formed in the tangent direction of the falling-film concentration pipe. The film distribution device of the falling-film evaporator used for concentration of caustic soda and caustic soda flakes has the advantages that the structure is simple and practical; and the film distribution grooves are formed in the tangent direction of the falling-film concentration pipe, so that the alkali liquor can perform film distribution on the inner wall of the falling-film concentration pipe very well even though a flowing speed of the alkali liquor is high, and accordingly, the film distribution effect is greatly improved.
Description
Technical field
The utility model relates to falling film evaporator, is specifically related to for the film-distributing device in the falling film evaporator of caustic soda, sheet alkali concentration process.
Background technology
Traditional film-distributing device for the concentrated falling film evaporator of caustic soda, sheet alkali, comprise: falling liquid film concentration tube, the upper end of falling liquid film concentration tube stretches in alkali lye import bobbin carriage, on alkali lye import bobbin carriage, be provided with alkali lye import, be positioned on the circumference of falling liquid film concentration tube upper end of alkali lye import bobbin carriage and be evenly provided with some cloth film grooves, each cloth film groove all runs through the tube wall of falling liquid film concentration tube and all along the radially setting of falling liquid film concentration tube.The operation principle of traditional film-distributing device for the concentrated falling film evaporator of caustic soda, sheet alkali is as follows: after the alkali lye that is 60% by mass concentration pressurization, constantly from alkali lye import, be delivered in alkali lye import bobbin carriage, alkali lye in alkali lye import bobbin carriage constantly flows in cloth film groove and continues to flow to the inwall of falling liquid film concentration tube in cloth film groove with speed more slowly, thereby on the inwall of falling liquid film concentration tube, constantly forming liquid film, is also that the continuous cloth film of alkali lye is on the inwall of falling liquid film concentration tube.The shortcoming of traditional film-distributing device for the concentrated falling film evaporator of caustic soda, sheet alkali is: the flow velocity of the structural requirement alkali lye that cloth film groove radially arranges along falling liquid film concentration tube must be slower, once alkali lye flow velocity is very fast, alkali lye easily rushes to the centre of falling liquid film concentration tube, thereby causes the cloth film weak effect on falling liquid film concentration tube inwall.
Utility model content
The purpose of this utility model is: a kind of film-distributing device for the concentrated falling film evaporator of caustic soda, sheet alkali that also can greatly improve faster in falling liquid film concentration tube cloth film effect at alkali lye flow velocity in situation is provided.
For achieving the above object, the technical solution adopted in the utility model is: for the film-distributing device of the concentrated falling film evaporator of caustic soda, sheet alkali, comprise: falling liquid film concentration tube, the upper end of falling liquid film concentration tube stretches in alkali lye import bobbin carriage, on alkali lye import bobbin carriage, be provided with alkali lye import, be positioned on the circumference of falling liquid film concentration tube upper end of alkali lye import bobbin carriage and be evenly provided with some cloth film grooves, each cloth film groove all runs through the tube wall of falling liquid film concentration tube, described all tangential settings along same direction of rotation along falling liquid film concentration tube of each cloth film groove.
Further, the aforesaid film-distributing device for the concentrated falling film evaporator of caustic soda, sheet alkali, wherein, in alkali lye import bobbin carriage, be provided with the curved baffle that is centered around falling liquid film concentration tube outside, curved baffle gear is between falling liquid film concentration tube and alkali lye import, and the arc length of curved baffle is 1/4th of falling liquid film concentration tube outer circumference.
The utility model has the advantages that: simple and practical, due to the tangential setting of cloth film groove along falling liquid film concentration tube, even if the flow velocity of alkali lye is very fast like this, alkali lye also can be along the good cloth film on the inwall of falling liquid film concentration tube of cloth film groove, thereby has greatly improved the effect of cloth film.
Accompanying drawing explanation
Fig. 1 is the mounting structure schematic diagram of the film-distributing device for the concentrated falling film evaporator of caustic soda, sheet alkali described in the utility model.
Fig. 2 is the cross-sectional structure schematic diagram of cloth film groove in Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing and preferred embodiment, the utility model is described in further detail.
As shown in Figure 1 and Figure 2, film-distributing device for the concentrated falling film evaporator of caustic soda, sheet alkali, comprise: falling liquid film concentration tube 1, the upper end of falling liquid film concentration tube 1 stretches in alkali lye import bobbin carriage 2, on alkali lye import bobbin carriage 2, be provided with alkali lye import 21, on the circumference of falling liquid film concentration tube 1 upper end in alkali lye import bobbin carriage 2, be evenly provided with some cloth film grooves 7, each cloth film groove 7 all runs through the tube wall of falling liquid film concentration tube 1, described all tangential settings along same direction of rotation along falling liquid film concentration tube 1 of each cloth film groove 7.In the present embodiment, in order to prevent alkali lye, directly falling liquid film concentration tube 1 is washed away, in alkali lye import bobbin carriage 2, be provided with around the curved baffle 10 in falling liquid film concentration tube 1 outside, curved baffle 10 gears are between falling liquid film concentration tube 1 and alkali lye import 21, and the length of curved baffle 10 is 1/4th of falling liquid film concentration tube 1 outer circumference.
Operation principle of the present utility model is as follows: after the alkali lye pressurization that mass concentration is 60%, constantly from alkali lye import 21, be delivered in alkali lye import bobbin carriage 2, alkali lye in alkali lye import bobbin carriage 2 constantly flows in cloth film groove 7, and the tangential direction along falling liquid film concentration tube 1 inwall continues to flow to the inwall of falling liquid film concentration tube 1 in cloth film groove 7, thereby on the inwall of falling liquid film concentration tube 1, constantly form liquid film, also be that the continuous cloth film of alkali lye is on the inwall of falling liquid film concentration tube 1, cloth film groove 7 is all along the tangential setting of falling liquid film concentration tube 1, greatly improved the effect of alkali lye cloth film on the inwall of falling liquid film concentration tube 1, when even if the flow velocity of alkali lye import bobbin carriage 2 interior alkali lye is very fast, alkali lye also can well form liquid film along the cloth film groove 7 of tangential setting on the inwall of falling liquid film concentration tube 1.
Claims (2)
1. for the film-distributing device of the concentrated falling film evaporator of caustic soda, sheet alkali, comprise: falling liquid film concentration tube, the upper end of falling liquid film concentration tube stretches in alkali lye import bobbin carriage, on alkali lye import bobbin carriage, be provided with alkali lye import, be positioned on the circumference of falling liquid film concentration tube upper end of alkali lye import bobbin carriage and be evenly provided with some cloth film grooves, each cloth film groove all runs through the tube wall of falling liquid film concentration tube, it is characterized in that: described all tangential settings along same direction of rotation along falling liquid film concentration tube of each cloth film groove.
2. the film-distributing device for the concentrated falling film evaporator of caustic soda, sheet alkali according to claim 1, it is characterized in that: in alkali lye import bobbin carriage, be provided with the curved baffle that is centered around falling liquid film concentration tube outside, curved baffle gear is between falling liquid film concentration tube and alkali lye import, and the arc length of curved baffle is 1/4th of falling liquid film concentration tube outer circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320378102.8U CN203417474U (en) | 2013-06-28 | 2013-06-28 | Film distribution device of falling-film evaporator used for concentration of caustic soda and caustic soda flakes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320378102.8U CN203417474U (en) | 2013-06-28 | 2013-06-28 | Film distribution device of falling-film evaporator used for concentration of caustic soda and caustic soda flakes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203417474U true CN203417474U (en) | 2014-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320378102.8U Expired - Lifetime CN203417474U (en) | 2013-06-28 | 2013-06-28 | Film distribution device of falling-film evaporator used for concentration of caustic soda and caustic soda flakes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203417474U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103349844A (en) * | 2013-06-28 | 2013-10-16 | 张家港化工机械股份有限公司 | Film distribution device in falling-film evaporator for concentration of caustic soda and caustic soda flakes |
-
2013
- 2013-06-28 CN CN201320378102.8U patent/CN203417474U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103349844A (en) * | 2013-06-28 | 2013-10-16 | 张家港化工机械股份有限公司 | Film distribution device in falling-film evaporator for concentration of caustic soda and caustic soda flakes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SUZHOU TIANWO TECHNOLOGY CO., LTD. Free format text: FORMER NAME: ZHANGJIAGANG CHEMICAL MACHINERY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Suzhou City, Jiangsu province 215633 gold town Zhangjiagang city after Cheng Cheng Yang Lu Patentee after: SUZHOU THVOW TECHNOLOGY LLC Address before: Suzhou City, Jiangsu province 215633 gold town Zhangjiagang city after Cheng Cheng Yang Road Zhangjiagang chemical machinery Limited by Share Ltd Patentee before: ZHANGJIAGANG CHAMICAL MACHINERY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170907 Address after: 215632, Linjiang Road, Changshan village, Nansha Town, Zhangjiagang, Jiangsu, Suzhou 1, China Patentee after: ZHANGHUAJI (SUZHOU) HEAVY EQUIPMENT Co.,Ltd. Address before: Suzhou City, Jiangsu province 215633 gold town Zhangjiagang city after Cheng Cheng Yang Lu Patentee before: SUZHOU THVOW TECHNOLOGY LLC |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140205 |