CN206235232U - A kind of equal liquid pipe case of highly effective dry-type evaporator - Google Patents
A kind of equal liquid pipe case of highly effective dry-type evaporator Download PDFInfo
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- CN206235232U CN206235232U CN201621171963.9U CN201621171963U CN206235232U CN 206235232 U CN206235232 U CN 206235232U CN 201621171963 U CN201621171963 U CN 201621171963U CN 206235232 U CN206235232 U CN 206235232U
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- liquid
- bobbin carriage
- tube sheet
- highly effective
- flat cover
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Abstract
The utility model discloses a kind of equal liquid pipe case of highly effective dry-type evaporator, mainly include bobbin carriage pipe nipple, bobbin carriage pipe nipple is the barrel-type casing of preseting length, barrel-type casing connects the rectangle to be formed towards being provided with liquid barrier in the inscribed circle wall of bobbin carriage flat cover side, and the rectangle is separated into the feed flow region of at least two autonomous closures by pass partition；Each feed flow region sets liquid-distributing plate towards tube sheet side, is offered on the liquid-distributing plate and divides liquid aperture, this point of liquid aperture to extend out the tubesheet holes rectified to tube sheet in bell shape, horn mouth is extended out correspondingly with tube sheet hole site sum amount.Avoid to stretch into the distributor of equal liquid pipe case and a point liquid is carried out in heat exchanger tube, it also avoid carrying out bobbin carriage flat cover numerous and diverse operation of a large amount of groove processings, simple structure and be easy to make and assemble, reduce the uniform feed flow in feed flow region and heat exchange efficiency is high.
Description
Technical field
The utility model belongs to dry evaporator technical field, is related to a kind of equal liquid pipe case of dry evaporator.
Background technology
Dry evaporator is a kind of shell and tube exchanger commonly used in refrigerating field, how to evenly distribute tube side refrigerant liquid
Body, makes refrigerant be evenly distributed in every heat exchanger tube, is to greatly improve so as to play heat exchanger tube heat transfer effect to greatest extent
The key of tube side heat exchange efficiency.And liquid separation structure was generally that distributor is assembled between feed liquor bobbin carriage and tube sheet in the past, distributor is generally point
Soldering and the heat exchange one-to-one separating tube of pore on liquid plate, after distributor is installed, separating tube is deep into heat exchanger tube, is realized equal
Liquid, the structure of distributor, manufacture are all more complicated；The another overall bobbin carriage at present beneficial to point liquid is generally the machining point liquid on flat cover
Groove, it is necessary to flat cover it is very thick, and to be processed into by liquid concentrate groove, machining difficulty it is larger, the process-cycle it is more long and into
This is higher.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of equal liquid pipe case of highly effective dry-type evaporator, and simple structure is easy
In making, and the distributor of liquid pipe case is not stretched into heat exchanger tube and realizes uniform feed flow, bobbin carriage flat cover simple structure, overall high
Effect heat exchange.
The utility model is by the technical scheme that solution its technical problem is used：
A kind of equal liquid pipe case of highly effective dry-type evaporator, mainly includes bobbin carriage pipe nipple, and bobbin carriage pipe nipple is clipped in the pipe being oppositely arranged
Tubesheet holes is set as refrigerant distributor between plate and the bobbin carriage flat cover with inlet opening, on tube sheet to be connected with heat exchanger tube；It is special
Levy and be：Bobbin carriage pipe nipple is the barrel-type casing of preseting length, and barrel-type casing is towards being provided with the inscribed circle wall of bobbin carriage flat cover side
Liquid barrier connects the rectangle to be formed, and the rectangle is separated into the feed flow region of at least two autonomous closures by pass partition；Each feed flow
Region sets liquid-distributing plate towards tube sheet side, is offered on the liquid-distributing plate and divides liquid small correspondingly with tube sheet hole site sum amount
Hole, this point of liquid aperture extends out the tubesheet holes rectified to tube sheet in bell shape, horn mouth is extended out.
In above-mentioned technical proposal, in bobbin carriage pipe nipple, liquid barrier connects inscribed circle region on the outside of the rectangle to be formed and is not provided with
Inscribed circle region is blocked by bobbin carriage flat cover and tube sheet on the outside of liquid plate, and the rectangle.
In above-mentioned technical proposal, liquid barrier and pass partition are generally aligned in the same plane with the cylinder outer race body wall of bobbin carriage pipe nipple.
In above-mentioned technical proposal, at least two inlets are set on bobbin carriage flat cover.
In above-mentioned technical proposal, two inlets are set on bobbin carriage flat cover, it is corresponding, set and pass through bobbin carriage pipe nipple end
The pass partition in the face center of circle liquid barrier is connected the rectangle to be formed and is separated into two feed flow regions of respective autonomous closure.
In above-mentioned technical proposal, liquid-distributing plate is steel plate；Liquid-distributing plate is welded on bobbin carriage pipe nipple near the side of tube sheet；Or pipe
Screwed hole is opened on plate, liquid-distributing plate is fixed by bolts on tube sheet.
Sealing gasket is set in above-mentioned technical proposal, between bobbin carriage flat cover, bobbin carriage pipe nipple and tube sheet to be connected and sealed.
Thus, the utility model refrigerant, by setting pass partition, enters each by the inlet opening feed liquor of bobbin carriage flat cover
Fluid apertures to feed flow region two bobbin carriage feed flow regions of autonomous closure, each bobbin carriage feed flow region are isolated into by pass partition
Independent flow is formed, to realize that stable and uniform supplies refrigerant（Coolant）；
Further, the utility model is by bobbin carriage feed flow region, the non-stringing area of tube sheet to corner areas, pass through
Welding liquid barrier separate away, soil-pipe interaction area to bobbin carriage region be to form two relatively independent central fluid supply areas
Domain, makes feed flow more concentrate, and not only beneficial to a point liquid, dry blowing oil return is more favorable to, so as to effectively improve heat exchanger efficiency；
In equal liquid pipe case, for liquid by the corresponding pore of spirt after liquid-distributing plate point liquid aperture, realizing uniform feed flow.
A point liquid orifice size is determined in 0~1MPa or so by the generation pressure drop after aperture by calculating fluid, liquid is passed through point
Liquid aperture uniformly divides liquid.Its principle is that fluid has certain resistance by aperture, during due to gas-liquid mixed ratio difference, stream
This resistance that body flows through produced by aperture is also differed, and using the difference of resistance, is sufficiently mixed gas-liquid, equal to realize point liquid
It is even；To enable flow through the direct feed flow of liquid-distributing plate in heat exchanger tube, gas-liquid is also avoided to produce separation again.
Relative to prior art, the beneficial effects of the utility model are：By reducing feed flow region, set tight with tube sheet
Close liquid-distributing plate realizes the every uniform feed flow of heat exchanger tube, it is to avoid stretch into heat exchanger tube by the distributor of equal liquid pipe case
A row point liquid, it also avoid carrying out bobbin carriage flat cover numerous and diverse operation of a large amount of groove processings, simple structure and is easy to make and assembles；
Secondly, according to soil-pipe interaction area size, the confession fluid apertures number on bobbin carriage flat cover is rationally set, is correspondingly set and is divided
Journey dividing plate, region corresponding with confession fluid apertures is divided into by bobbin carriage pipe nipple, so that reduce feed flow region, preferably uniformly to divide liquid；
The corner areas for not having corresponding stringing in bobbin carriage pipe nipple are separated, makes to concentrate on for liquid in stringing regional extent
It is directly corresponding with tubesheet holes, it is extremely effective to realize diminution feed flow region so that heat exchange is more efficient.
Brief description of the drawings
Fig. 1 is the equal liquid pipe case integral installation structure chart of highly effective dry-type evaporator of the present utility model；
Fig. 2 is the positive direction view of bobbin carriage pipe nipple of the equal liquid pipe case of the utility model highly effective dry-type evaporator；
Fig. 3 is the side view of Fig. 2；
Fig. 4 is the local A enlarged drawings of Fig. 3；
Fig. 5 is that the equal liquid pipe case of highly effective dry-type evaporator of the present utility model splits structure chart.
Each reference is as follows in Fig. 1-5：1st, tube sheet；2nd, bobbin carriage flat cover；3rd, bobbin carriage pipe nipple；4th, pass partition； 5、
Liquid-distributing plate；5.1st, liquid aperture is divided；6th, liquid barrier.
Specific embodiment
In order to further illustrate the technical solution of the utility model, 1-5 is carried out in detail to the utility model below in conjunction with the accompanying drawings
Thin explanation.
Include that bobbin carriage is short as Figure 1-5, mainly according to the equal liquid pipe case of highly effective dry-type evaporator that the utility model is implemented
Section 3, the bobbin carriage flat cover 2 with inlet opening is correspondingly arranged with tube sheet 1, and bobbin carriage pipe nipple 3 is clipped between tube sheet 1 and bobbin carriage flat cover 2.
Concrete structure is that tube sheet 1 and the bobbin carriage flat cover 2 with inlet opening are bolted, by the sandwiched fixation of bobbin carriage pipe nipple 3
In centre；Wherein, bobbin carriage pipe nipple 3 towards the end face of bobbin carriage flat cover 2 by welding pass partition 4 and liquid barrier 6, by tube sheet 1
The plane domain being made up of liquid-distributing plate 5 corresponding to stringing area is separated to form two feed flow regions of autonomous closure（Referring to Fig. 2
In the separate rectangular region of left and right two that surrounds of pass partition 4 and liquid barrier 6）, thus for liquid again pass through each independent zones
5 points of liquid of liquid-distributing plate set by domain are to every heat exchanger tube.
Wherein, refrigerant by bobbin carriage flat cover 2 inlet opening feed liquor, the inlet opening on bobbin carriage flat cover 2 is according to the stringing face of tube sheet 1
Long-pending size, determines feed liquor hole number, when the stringing region of tube sheet 1 is larger, sets two or more inlet openings, reduces inlet opening
To soil-pipe interaction area, be easy to a point liquid；When there is two or more inlet openings, pass partition 4 is set, makes each inlet opening
To feed flow region two bobbin carriage feed flow regions of autonomous closure are isolated into by pass partition, each bobbin carriage feed flow region is formed
Independent flow, to realize stable and uniform feed flow；Such as Fig. 1-2, the independent stringing region in each correspondence left and right of the inlet opening of left and right two；
Further, by bobbin carriage feed flow region, the non-stringing area of tube sheet 1 to corner areas, by welding gear liquid
Plate 6 separates away, soil-pipe interaction area to bobbin carriage region be to form two relatively independent central fluid supply regions, make feed flow
More concentrate, not only beneficial to a point liquid, dry blowing oil return is more favorable to, so as to effectively improve heat exchanger efficiency；
In equal liquid pipe case, feed flow fluid is to be drilled with and tubesheet holes by entering heat exchanger tube, liquid-distributing plate 5 after the equal liquid of liquid-distributing plate 5
Position, the steel plate of quantity correspondence equal liquid hole, liquid-distributing plate 5 can be welded on bobbin carriage pipe nipple 3, close proximity to the side of tube sheet 1,
Or tube sheet 1 bores tapped blind hole, for liquid-distributing plate 5 is fixed on tube sheet 1.Institute is for liquid by spirt after point liquid aperture 5.1
In corresponding pore, uniform feed flow is realized.Liquid-distributing plate 5 is pressed close to tube sheet 1, it is ensured that liquid passes through liquid-distributing plate small hole injection in bobbin carriage
Into heat exchanger tube pore.
Concrete structure is：Point liquid aperture 5.1 corresponding with tube sheet hole site sum amount, this point of liquid are provided with liquid-distributing plate 5
As shown in Figure 3-4, in bell shape is extended out, liquid-distributing plate 5 extends out horn mouth to the structure of aperture 5.1 when assembling proper to tube sheet 1
Pore, preferred distance tube sheet 1m or so；Determined in 0~1MPa or so by generation pressure drop after aperture by calculating fluid
Divide liquid orifice size, liquid is uniformly divided liquid by point liquid aperture 5.1.Its principle is that fluid has certain resistance by aperture
Power, during due to gas-liquid mixed ratio difference, this resistance produced by fluid stream small holes is also differed, using resistance not
Together, it is sufficiently mixed gas-liquid, it is uniform to realize point liquid；To enable flow through the direct feed flow of liquid-distributing plate 5 in heat exchanger tube, also avoid
Gas-liquid produces separation again, and liquid-distributing plate 5 can use the following two kinds structure as close to tube sheet 1：（1）Liquid-distributing plate is welded on
Bobbin carriage is near the side of tube sheet 1；（2）Screwed hole is opened on tube sheet 1, liquid-distributing plate 5 is fixed by bolts on tube sheet 1.
The equal liquid pipe case of the utility model by reducing feed flow region, set with tube sheet 1 near liquid-distributing plate it is every to realize
The uniform feed flow of root heat exchanger tube, to reach dry evaporator high efficient heat exchanging；Avoid and the distributor of equal liquid pipe case is stretched into heat exchanger tube
Inside carry out a point liquid, it also avoid carrying out bobbin carriage flat cover numerous and diverse operation of a large amount of groove processings, simple structure and being easy to make and
Assembling；
According to the stringing area size of tube sheet 1, the confession fluid apertures number on bobbin carriage flat cover 2 is rationally set, a point journey is correspondingly set
Dividing plate, region corresponding with confession fluid apertures is divided into by bobbin carriage pipe nipple 4, so that reduce feed flow region, preferably uniformly to divide liquid；
Feed flow region is reduced, mainly also by setting liquid barrier 5, will not there is no the corner areas of corresponding stringing in bobbin carriage pipe nipple
Separate, make to concentrate on for liquid in stringing regional extent, it is extremely effective to realize diminution feed flow region.
Claims (7)
1. a kind of equal liquid pipe case of highly effective dry-type evaporator, mainly includes bobbin carriage pipe nipple, and bobbin carriage pipe nipple is clipped in the tube sheet being oppositely arranged
Tubesheet holes is set as coolant distributor and the bobbin carriage flat cover with inlet opening between, on tube sheet to be connected with heat exchanger tube；Its feature
It is：Bobbin carriage pipe nipple is the barrel-type casing of preseting length, and barrel-type casing is towards being provided with gear in the inscribed circle wall of bobbin carriage flat cover side
Liquid plate connects the rectangle to be formed, and the rectangle is separated into the feed flow region of at least two autonomous closures by pass partition；Each liquid infeed area
Domain sets liquid-distributing plate towards tube sheet side, is offered on the liquid-distributing plate and divides liquid small correspondingly with tube sheet hole site sum amount
Hole, this point of liquid aperture extends out the tubesheet holes rectified to tube sheet in bell shape, horn mouth is extended out.
2. the equal liquid pipe case of highly effective dry-type evaporator according to claim 1, it is characterised in that：In bobbin carriage pipe nipple, liquid barrier
Connect inscribed circle region on the outside of the rectangle for being formed and be not provided with the outside of liquid-distributing plate, and the rectangle inscribed circle region by bobbin carriage flat cover and pipe
Plate is blocked.
3. the equal liquid pipe case of highly effective dry-type evaporator according to claim 1, it is characterised in that：Liquid barrier and pass partition are equal
Cylinder outer race body wall with bobbin carriage pipe nipple is generally aligned in the same plane.
4. the equal liquid pipe case of highly effective dry-type evaporator according to claim 1, it is characterised in that：Set on bobbin carriage flat cover to
Few two inlets.
5. the equal liquid pipe case of highly effective dry-type evaporator according to claim 4, it is characterised in that：Two are set on bobbin carriage flat cover
Individual inlet, it is corresponding, set and liquid barrier is connected by the pass partition in the bobbin carriage pipe nipple end face center of circle for the rectangle to be formed point
It is divided into two feed flow regions of respective autonomous closure.
6. the equal liquid pipe case of highly effective dry-type evaporator according to claim 1, it is characterised in that：Liquid-distributing plate is steel plate；Equal liquid
Plate weld is in bobbin carriage pipe nipple near the side of tube sheet；Or screwed hole is opened on tube sheet, liquid-distributing plate is fixed by bolts on tube sheet.
7. the equal liquid pipe case of highly effective dry-type evaporator according to claim 1, it is characterised in that：Bobbin carriage flat cover, bobbin carriage pipe nipple
Sealing gasket is set and tube sheet between to be connected and sealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621171963.9U CN206235232U (en) | 2016-10-26 | 2016-10-26 | A kind of equal liquid pipe case of highly effective dry-type evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621171963.9U CN206235232U (en) | 2016-10-26 | 2016-10-26 | A kind of equal liquid pipe case of highly effective dry-type evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206235232U true CN206235232U (en) | 2017-06-09 |
Family
ID=58983008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621171963.9U Active CN206235232U (en) | 2016-10-26 | 2016-10-26 | A kind of equal liquid pipe case of highly effective dry-type evaporator |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631521A (en) * | 2017-10-12 | 2018-01-26 | 江苏世林博尔制冷设备有限公司 | A kind of rectangular dry-type shell-and-tube heat exchanger |
| CN108007240A (en) * | 2017-12-14 | 2018-05-08 | 江苏普格机械有限公司 | A kind of compact high efficient tube-sheet heat exchanger |
| CN108692489A (en) * | 2017-03-31 | 2018-10-23 | 荏原冷热系统株式会社 | Heat exchanger attachment device |
| CN112033048A (en) * | 2020-08-31 | 2020-12-04 | 青岛海尔空调电子有限公司 | Dry evaporator |
| CN112923608A (en) * | 2021-01-16 | 2021-06-08 | 西安交通大学 | Refrigerant flow straightener for shell and tube heat exchanger |
| CN113188350A (en) * | 2020-09-07 | 2021-07-30 | 李辉 | Shell and tube heat exchanger |
| WO2022022144A1 (en) * | 2020-07-29 | 2022-02-03 | 约克广州空调冷冻设备有限公司 | Evaporator |
-
2016
- 2016-10-26 CN CN201621171963.9U patent/CN206235232U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108692489A (en) * | 2017-03-31 | 2018-10-23 | 荏原冷热系统株式会社 | Heat exchanger attachment device |
| CN107631521A (en) * | 2017-10-12 | 2018-01-26 | 江苏世林博尔制冷设备有限公司 | A kind of rectangular dry-type shell-and-tube heat exchanger |
| CN108007240A (en) * | 2017-12-14 | 2018-05-08 | 江苏普格机械有限公司 | A kind of compact high efficient tube-sheet heat exchanger |
| WO2022022144A1 (en) * | 2020-07-29 | 2022-02-03 | 约克广州空调冷冻设备有限公司 | Evaporator |
| TWI804896B (en) * | 2020-07-29 | 2023-06-11 | 大陸商約克廣州空調冷凍設備有限公司 | Evaporator |
| CN112033048A (en) * | 2020-08-31 | 2020-12-04 | 青岛海尔空调电子有限公司 | Dry evaporator |
| WO2021228017A1 (en) * | 2020-08-31 | 2021-11-18 | 青岛海尔空调电子有限公司 | Dry-type evaporator |
| CN113188350A (en) * | 2020-09-07 | 2021-07-30 | 李辉 | Shell and tube heat exchanger |
| CN112923608A (en) * | 2021-01-16 | 2021-06-08 | 西安交通大学 | Refrigerant flow straightener for shell and tube heat exchanger |
| CN112923608B (en) * | 2021-01-16 | 2021-12-28 | 西安交通大学 | Refrigerant flow straightener for shell and tube heat exchanger |
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