CN203577349U - Water distribution system for falling film evaporator - Google Patents
Water distribution system for falling film evaporator Download PDFInfo
- Publication number
- CN203577349U CN203577349U CN201320708927.1U CN201320708927U CN203577349U CN 203577349 U CN203577349 U CN 203577349U CN 201320708927 U CN201320708927 U CN 201320708927U CN 203577349 U CN203577349 U CN 203577349U
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- China
- Prior art keywords
- water distribution
- water distributing
- water
- distribution system
- plate
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- Expired - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 148
- 238000009826 distribution Methods 0.000 title claims abstract description 50
- 239000011552 falling film Substances 0.000 title claims abstract description 19
- 239000011148 porous material Substances 0.000 claims description 45
- 239000010408 film Substances 0.000 claims description 17
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 abstract description 7
- 230000008020 evaporation Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000002351 wastewater Substances 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Abstract
The utility model provides a water distribution system for a falling film evaporator. The falling film evaporator comprises an evaporation system and a water distribution system, wherein the evaporation system comprises a shell with a steam inlet as well as a pipe bundle vertically arranged in the shell and formed by multiple falling film pipes; the water distribution system comprises a water distribution plate; the water distribution plate comprises a first water distribution plate above and a second water distribution plate below, wherein the first water distribution plate is provided with multiple water distribution holes corresponding to the falling film pipes, the hole diameter of the first water distribution hole is less than the pipe diameter of the falling film pipe, and the center of the first water distribution hole is corresponding to the center of the falling film pipe; the second water distribution plate is provided with multiple second water distribution holes corresponding to the area of the first water distribution holes. The water distribution system provided by the utility model not only can realize uniform water distribution, but also can save the time and cost for field manufacturing and mounting while realizing a better energy saving effect.
Description
Technical field
The utility model relates to a kind of water distribution system for falling film evaporator.
Background technology
Vertical falling-film evaporimeter is applied in a lot of industries, and as industries such as chemical industry, pharmacy, food, it is purified waste water by evaporation or be concentrated, and this evaporation process is to carry out in film supplying tube.Because an evaporimeter generally contains even several thousand falling film evaporation pipes of hundreds of, how waste water is evenly distributed to and in every arm, just seems most important.
Chinese patent 201120020591.0 discloses a kind of water distributing plate, and it comprises water distributing plate plate face and water cap, wherein on water distributing plate plate face, is provided with installing hole, and water cap is arranged on installing hole below, and water distributing plate plate face is to be formed by connecting by polylith plane orifice plate.
Chinese patent 200720169663.1 discloses a kind of water distributing plate, for Treatment of Industrial Water field, be specially adapted to the structural design of the top water feed apparatus in power station condensed water precision treatment device under conditions of high flow rate, it is comprised of water distributing plate plate face, water-locator, wherein on water distributing plate plate face, be designed with installing hole, water-locator is arranged on installing hole below, and water distributing plate plate face is overall structure.
Chinese patent 201020228890.9 discloses the water distributing plate that a kind of water-distributing device is used, and it comprises the flat board of one group of splicing, and wherein adjacent panels connects by connecting pressing plate.
Chinese patent 201020105958.4 discloses a kind of water distributing plate of distillation machine column tube evaporimeter, it comprises plate body, on plate body, be provided with the aperture on a plurality of concave surfaces and concave surface, the plurality of concave surface covers the upper end of a plurality of tubulations, aperture is a plurality of, and a plurality of apertures are circular arrangement at concave surface periphery.
The shortcoming of technique scheme is: water distribution system is even not for the distribution of waste water, and the wastewater flow rate that causes some film supplying tubes to distribute is less; Due to the existence of evaporation, can on this film supplying tube, produce " dry wall " phenomenon; Once and there is dry wall phenomenon, film supplying tube will fouling, and then reduces the heat transfer efficiency of whole evaporimeter.
Therefore, provide a kind of water distribution for the water distribution system of falling film evaporator, to become the problem that industry need to solve uniformly.
Summary of the invention
Different from prior art, the utility model provides a kind of water distribution system for falling film evaporator, and it can realize water distribution uniformity.
To achieve these goals, the utility model provides a kind of water distribution system for falling film evaporator, this falling film evaporator comprises vapo(u)rization system and water distribution system, vapo(u)rization system comprises the tube bank that has the shell of steam inlet and be positioned at many film supplying tubes formation of the vertical setting within shell, this water distribution system comprises water distributing plate, and this water distributing plate comprises:
The first water distributing plate that is positioned at top, it has a plurality of the first water distributing pores corresponding to every film supplying tube, and the aperture of the first water distributing pore is less than the caliber of film supplying tube, and the center of the first water distributing pore arranges corresponding to the center of film supplying tube;
The second water distributing plate that is positioned at below, the region corresponding to the first water distributing pore on the second water distributing plate is provided with a plurality of the second water distributing pores (be preferably, corresponding to the edge of the first water distributing pore, the respective regions on the second water distributing plate is non-bore region).
In the utility model, adopt two-layer water distributing plate, make the resistance of current become large, and then extended current and flow through time of water distributing plate, be conducive to water distribution uniformity; The more important thing is, corresponding to the first water distributing pore, the second water distributing plate is provided with a plurality of the second water distributing pores, can realize shunting and the baffling of current, thereby realize water distribution uniformity.
According to another specific embodiment of the utility model, the first water distributing plate and described the second water distributing plate laminating.
According to another specific embodiment of the utility model, gapped between the first water distributing plate and the second water distributing plate.
According to another specific embodiment of the utility model, the consistent size of the second water distributing pore or inconsistent.
According to another specific embodiment of the utility model, corresponding to each the first water distributing pore, the number of the second water distributing pore is 4-10.
According to another specific embodiment of the utility model, the first water distributing pore be shaped as circle or regular polygon (for example regular hexagon).
According to another specific embodiment of the utility model, the first water distributing pore be shaped as circle or regular polygon (for example regular hexagon).
The utility model is preferred embodiment: the shape of the first water distributing pore and the second water distributing pore is circle, and corresponding to each the first water distributing pore, the number of the second water distributing pore is 7 (1, central authorities, peripheral 6 around).
The utility model another preferred embodiment: the shape of the first water distributing pore and the second water distributing pore is regular hexagon shape, and corresponding to each the first water distributing pore, the number of the second water distributing pore is 7 (1, central authorities, peripheral 6 around).
According to another specific embodiment of the utility model, it further comprises for treatment fluid to be evaporated being delivered to the circulation pipe of the first water distributing plate top, circulation pipe is built-in circulation pipe, and within it is vertically arranged at the shell of vapo(u)rization system, its top is higher than the first water distributing plate.
According to another specific embodiment of the utility model, built-in circulation pipe is positioned at the central authorities within vapo(u)rization system shell.
According to another specific embodiment of the utility model, the plate-like that the top of built-in circulation pipe is horizontally set (for example discoid), the top on this plate-like top or bottom are provided with a plurality of apopores.
With respect to the external circulation pipe of routine, built-in circulation pipe of the present utility model has following advantage:
1, external circulation pipe adopts perforated pipe water distribution after entering evaporimeter top, and circulation pipe of the present utility model is in center, compares with the perforated pipe of axial setting, is more conducive to the uniformity of water distribution;
2, built-in circulation pipe has been manufactured when production equipment, can save time and the expense of field fabrication and installation;
3, built-in circulation pipe can preheating in inside, does not need insulation, there is no heat loss, thereby energy-saving effect is better simultaneously.
Compared with prior art, the utility model possesses following beneficial effect:
In the utility model, adopt two-layer water distributing plate, make the resistance of current become large, and then extended current and flow through time of water distributing plate, be conducive to water distribution uniformity; The more important thing is, corresponding to the first water distributing pore, the second water distributing plate is provided with a plurality of the second water distributing pores, can realize shunting and the baffling of current, thereby realize water distribution uniformity; In addition, by built-in circulation pipe is set, not only can realize even water distribution, and can save time and the expense of field fabrication and installation, and there is better energy-saving effect.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of falling film evaporator of the water distribution system of Application Example 1.
The specific embodiment
Embodiment 1
As shown in Figure 1, the falling film evaporator of application the present embodiment water distribution system, comprises vapo(u)rization system, water distribution system, tank 3, demister 4, circulating pump 5.
Wherein, vapo(u)rization system comprises the tube bank that has the shell of steam inlet and be positioned at many film supplying tubes 101 formation of the vertical setting within shell.On its shell, there is steam inlet 102, condensate outlet 103, indirect steam outlet 104.Wherein, the entrance that steam inlet 102 is additional steam; The condensate liquid that condensate outlet 103 forms after for additional steam heat-exchanging is discharged evaporimeter; Indirect steam outlet 104 is the indirect steam venthole producing after film supplying tube 101 heating evaporations.
Water distribution system comprises water distributing plate 201 and built-in circulation pipe 202.Water distributing plate 201 comprises the first water distributing plate and the second water distributing plate.
The first water distributing plate is positioned at top, and it has a plurality of the first water distributing pores corresponding to every film supplying tube 101, and the aperture of the first water distributing pore is less than the caliber of film supplying tube 101, and the center of the first water distributing pore arranges corresponding to the center of film supplying tube;
The second water distributing plate is positioned at below, and with the first water distributing plate laminating, its region corresponding to the first water distributing pore is provided with a plurality of the second water distributing pores.Corresponding to the edge of the first water distributing pore, the respective regions on the second water distributing plate is non-bore region.
The shape of the first water distributing pore (macropore) and the second water distributing pore (aperture) is circle.The consistent size of the second water distributing pore.Corresponding to each the first water distributing pore, the number of the second water distributing pore is 7,1, central authorities, peripheral 6 around.
Built-in circulation pipe 202 is vertically arranged at the middle position within the shell of vapo(u)rization system, and its top is higher than the first water distributing plate; And the plate-like (for example discoid) that its top 203 is horizontally set, the bottom on this plate-like top 203 is provided with a plurality of apopores.
The storage that tank 3 is concentrate and the split site of indirect steam and concentrate; The concentrated drop that demister 4 is carried secretly for removing indirect steam; Circulating pump 5 is for being delivered to evaporimeter top by treatment fluid (waste water).
Embodiment 2
The difference of the present embodiment and embodiment 1 is: 1, gapped between the first water distributing plate and the second water distributing plate; 2, the shape of the first water distributing pore and the second water distributing pore is regular hexagon shape.
Although the utility model discloses as above with preferred embodiment, the scope of not implementing in order to limit the utility model.Any those of ordinary skill in the art, within not departing from invention scope of the present utility model, when doing a little improvement, every equal improvement of doing according to the utility model, should be scope of the present utility model and contains.
Claims (9)
1. the water distribution system for falling film evaporator, described falling film evaporator comprises vapo(u)rization system and water distribution system, described vapo(u)rization system comprises the tube bank that has the shell of steam inlet and be positioned at many film supplying tubes formation of the vertical setting within described shell, it is characterized in that, described water distribution system comprises water distributing plate, and described water distributing plate comprises:
The first water distributing plate that is positioned at top, it has a plurality of the first water distributing pores corresponding to every film supplying tube, and the aperture of described the first water distributing pore is less than the caliber of described film supplying tube, and the center of described the first water distributing pore arranges corresponding to the center of described film supplying tube;
The second water distributing plate that is positioned at below, the region corresponding to described the first water distributing pore on described the second water distributing plate is provided with a plurality of the second water distributing pores.
2. water distribution system as claimed in claim 1, is characterized in that, described the first water distributing plate and described the second water distributing plate laminating.
3. water distribution system as claimed in claim 1, is characterized in that, gapped between described the first water distributing plate and described the second water distributing plate.
4. water distribution system as claimed in claim 1, is characterized in that, the consistent size of described the second water distributing pore or inconsistent.
5. water distribution system as claimed in claim 1, is characterized in that, corresponding to each the first water distributing pore, the number of described the second water distributing pore is 4-10.
6. water distribution system as claimed in claim 1, is characterized in that, described the first water distributing pore be shaped as circle or regular polygon.
7. water distribution system as claimed in claim 1, it is characterized in that, it further comprises for treatment fluid to be evaporated being delivered to the circulation pipe of described the first water distributing plate top, described circulation pipe is built-in circulation pipe, within it is vertically arranged at the shell of described vapo(u)rization system, its top is higher than described the first water distributing plate.
8. water distribution system as claimed in claim 7, is characterized in that, described built-in circulation pipe is positioned at the central authorities within described vapo(u)rization system shell.
9. water distribution system as claimed in claim 8, is characterized in that, the plate-like that the top of described built-in circulation pipe is horizontally set, and the top on this plate-like top or bottom are provided with a plurality of apopores.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320708927.1U CN203577349U (en) | 2013-11-11 | 2013-11-11 | Water distribution system for falling film evaporator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320708927.1U CN203577349U (en) | 2013-11-11 | 2013-11-11 | Water distribution system for falling film evaporator |
Publications (1)
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CN203577349U true CN203577349U (en) | 2014-05-07 |
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CN201320708927.1U Expired - Lifetime CN203577349U (en) | 2013-11-11 | 2013-11-11 | Water distribution system for falling film evaporator |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107243258A (en) * | 2017-07-20 | 2017-10-13 | 中国华能集团清洁能源技术研究院有限公司 | The regenerating unit and method of sour gas trapping solution in a kind of power-plant flue gas |
-
2013
- 2013-11-11 CN CN201320708927.1U patent/CN203577349U/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107243258A (en) * | 2017-07-20 | 2017-10-13 | 中国华能集团清洁能源技术研究院有限公司 | The regenerating unit and method of sour gas trapping solution in a kind of power-plant flue gas |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20140507 |
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CX01 | Expiry of patent term |