CN2743696Y - Liquid distributor for falling film type tubulation evaporator - Google Patents
Liquid distributor for falling film type tubulation evaporator Download PDFInfo
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- CN2743696Y CN2743696Y CN 200420114086 CN200420114086U CN2743696Y CN 2743696 Y CN2743696 Y CN 2743696Y CN 200420114086 CN200420114086 CN 200420114086 CN 200420114086 U CN200420114086 U CN 200420114086U CN 2743696 Y CN2743696 Y CN 2743696Y
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- utility
- falling film
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- liquid distribution
- taper
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Abstract
The utility model relates to a falling film type tubulation evaporator, in particular to a liquid distributor for falling film type tubulation evaporator. The utility model provides the liquid distributor with simple structure, high efficiency of liquid distribution, uneasy blocking, and easy cleaning in order to overcome the defects existing in the liquid distributor. The technological scheme of the utility model is that the liquid distributor of the liquid distributor for falling film type tubulation evaporator is a taper and groove structure. The bottom of the taper and groove structure is provided with a taber hole, the taper of the taper and groove structure is within 110 DEG to 150 DEG, and the angle dimension of the taber hole is within 45 DEG to 70 DEG. The utility model has the advantages that since the utility model adopts the taper groove structure and the taper hole structure, and the material water which can pass through is distributed in uniformly umbrella-shaped hollow thin film. In this way, the utility model has the advantages of simple structure, high efficiency of liquid distribution, low cost, uneasy blocking, easy cleaning, etc.
Description
Technical field
The utility model relates to the falling film type column tube evaporimeter, especially relates to the liquid distribution trough on the falling film type column tube evaporimeter.
Background technology
The evaporation efficiency of shell and tube falling film evaporator is higher, and its overall heat-transfer coefficient reaches as high as 2000Kcal/m
2H ℃, but the key of its high-efficiency evaporating is the raw water of cold conditions must be formed the layer of even fluid film at the tube interior of evaporimeter, and the key element of finishing this work is exactly: liquid distribution trough.The effect of liquid distribution trough is that the raw water that enters evaporimeter is forced to form along the uniform fluid film of the ring-type of tube wall.The liquid distribution trough that traditional falling film type column tube evaporimeter is used has sawtooth pattern and faucet type.The sawtooth pattern liquid distribution trough, as shown in Figure 1, the section of liquid distribution trough 1 is a sawtooth pattern, its lower end is installed on the heat exchanger tube 2, and heat exchanger tube 2 is fixed on the tube sheet 3, and the characteristics of this kind structure are, handling ease simple in structure, but distribution of liquid efficient is relatively poor, and the formation became uneven of liquid film is even, so its heat exchange efficiency is lower; The faucet type liquid distribution trough, as shown in Figure 2, the section of liquid distribution trough 4 is the vice type, be installed in the pipe of heat exchanger tube 2, heat exchanger tube 2 is fixed on the tube sheet 3, and the characteristics of this kind structure are that distribution of liquid efficient is higher, the formation thickness of liquid film is also even, heat exchange efficiency is also higher, but its complex structure, difficulty of processing is bigger, and stop up easily, structural bad.
Summary of the invention
The utility model is in order to overcome the defective that exists in the aforesaid liquid distributor, a kind of simple in structure, liquid distribution efficient height is provided, is difficult for stopping up the liquid distribution trough of easy cleaning.
The technical scheme that the utility model adopts in order to solve the problems of the technologies described above is, the liquid distribution trough that a kind of falling film type column tube evaporimeter is used, it is characterized in that: described liquid distribution trough is the pyramid type groove structure, is provided with taper hole in the bottom of described pyramid type groove.
The range of taper of described pyramid type groove is 110 °～150 °.
Described taper hole can be triangular pyramid, and the angular range of taper hole is 45 °～70 °.
The diameter range in the addendum cone hole of described taper hole is 1.2～1.3mm.
The beneficial effects of the utility model, liquid distribution trough of the present utility model and traditional liquid distribution trough compare, because the utility model adopts pyramid type groove and conical bore structure, the raw water that passes through can be distributed is uniform umbrella hollow membrane; The utlity model has simple in structure, liquid distribution efficient height, low cost of manufacture like this, be difficult for stopping up significant advantage such as easy cleaning.
Description of drawings
Fig. 1 is the structural representation of prior art sawtooth pattern liquid distribution trough;
Fig. 2 is the structural representation of prior art vice type liquid distribution trough;
Fig. 3 is the structural representation of the utility model liquid distribution trough;
Fig. 4 is the design sketch of the utility model liquid distribution trough after distributing;
Fig. 5 is the utility model liquid distribution trough external form figure.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is specifically described, the liquid distribution trough that a kind of falling film type column tube evaporimeter of the utility model is used, as shown in Figure 3, this liquid distribution trough 5 is the pyramid type groove structure, and the tapering of pyramid type groove 6 is being between 110 °～150 ° scopes.Be provided with taper hole 7 in the bottom of this pyramid type groove 6, described taper hole 7 can adopt the triangular pyramid structure, and the angle of taper hole 7 is being that the diameter range in the addendum cone hole 8 of taper hole 7 is 1.2～1.3mm between 45 °～70 ° scopes.
During use, N liquid distribution trough is made of one, easy to process, its external form is a collar plate shape, thickness is 2～5mm, have N liquid distribution trough to be triangular therein in the heart scope and arrange, as shown in Figure 5, the mode of arrangement is identical with the pore arrangement mode of the heat exchanger tube 2 of shell and tube falling film evaporation evaporator tube plates 3.Liquid distribution trough is installed in the top of shell and tube falling film evaporation evaporator tube plates 3 in the use, and is close to the last plane of tube sheet 3, each liquid distribution trough 5 corresponding each heat exchanger tube 2.
Raw water delivers into the upper tube box of downward film evaporator through water pump, be forced to be scattered in hoop uniform liquid film 10 behind its liquid 9 undercoating liquid distributors 5 along the tube wall of heat exchanger tube 2, as shown in Figure 4, (shell side) feeds heating steam outside the pipe of heat exchanger tube 2, and this moment, the raw water of tube side was membranaceous rapid evaporation under shell side heating steam effect.
Claims (4)
1. liquid distribution trough that the falling film type column tube evaporimeter is used, it is characterized in that: this liquid distribution trough is the pyramid type groove structure, is provided with taper hole in the bottom of described pyramid type groove.
2. the liquid distribution trough of using according to the described a kind of falling film type column tube evaporimeter of claim 1, it is characterized in that: the range of taper of described pyramid type groove is 110 °～150 °.
3. the liquid distribution trough that a kind of falling film type column tube evaporimeter according to claim 1 and 2 is used is characterized in that: described taper hole can be triangular pyramid, and the angular range of taper hole is 45 °～70 °.
4. the liquid distribution trough of using according to claim 1 or 2 described a kind of falling film type column tube evaporimeters, it is characterized in that: the diameter range in the addendum cone hole of described taper hole is 1.2～1.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420114086 CN2743696Y (en) | 2004-12-13 | 2004-12-13 | Liquid distributor for falling film type tubulation evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420114086 CN2743696Y (en) | 2004-12-13 | 2004-12-13 | Liquid distributor for falling film type tubulation evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2743696Y true CN2743696Y (en) | 2005-11-30 |
Family
ID=35633715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420114086 Expired - Fee Related CN2743696Y (en) | 2004-12-13 | 2004-12-13 | Liquid distributor for falling film type tubulation evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2743696Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100451495C (en) * | 2007-05-10 | 2009-01-14 | 上海交通大学 | Refrigerant uniform distributor of compression refrigeration falling-film evaporator |
| CN102512832A (en) * | 2011-11-29 | 2012-06-27 | 江苏省溧阳市云龙设备制造有限公司 | Material distribution device of evaporator |
| CN103316492A (en) * | 2013-07-10 | 2013-09-25 | 无锡力马化工机械有限公司 | Material distributing device of falling film evaporator |
| CN107261534A (en) * | 2017-07-16 | 2017-10-20 | 苏州卓群钛镍设备有限公司 | A kind of liquid guide flow distributor |
-
2004
- 2004-12-13 CN CN 200420114086 patent/CN2743696Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100451495C (en) * | 2007-05-10 | 2009-01-14 | 上海交通大学 | Refrigerant uniform distributor of compression refrigeration falling-film evaporator |
| CN102512832A (en) * | 2011-11-29 | 2012-06-27 | 江苏省溧阳市云龙设备制造有限公司 | Material distribution device of evaporator |
| CN102512832B (en) * | 2011-11-29 | 2014-09-17 | 江苏省溧阳市云龙设备制造有限公司 | Material distribution device of evaporator |
| CN103316492A (en) * | 2013-07-10 | 2013-09-25 | 无锡力马化工机械有限公司 | Material distributing device of falling film evaporator |
| CN103316492B (en) * | 2013-07-10 | 2014-12-17 | 无锡力马化工机械有限公司 | Material distributing device of falling film evaporator |
| CN107261534A (en) * | 2017-07-16 | 2017-10-20 | 苏州卓群钛镍设备有限公司 | A kind of liquid guide flow distributor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051130 Termination date: 20100113 |