CN203908118U - Uniform distribution device and falling-film evaporator, as well as water chilling unit - Google Patents
Uniform distribution device and falling-film evaporator, as well as water chilling unit Download PDFInfo
- Publication number
- CN203908118U CN203908118U CN201420204659.4U CN201420204659U CN203908118U CN 203908118 U CN203908118 U CN 203908118U CN 201420204659 U CN201420204659 U CN 201420204659U CN 203908118 U CN203908118 U CN 203908118U
- Authority
- CN
- China
- Prior art keywords
- liquid
- distributing plate
- distribution device
- even distribution
- plate
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 238000009827 uniform distribution Methods 0.000 title abstract description 10
- 239000011552 falling film Substances 0.000 title abstract description 6
- 238000009826 distribution Methods 0.000 claims abstract description 81
- 239000007788 liquid Substances 0.000 claims abstract description 53
- 238000009434 installation Methods 0.000 claims description 19
- 239000003507 refrigerant Substances 0.000 abstract description 12
- 239000010408 film Substances 0.000 description 24
- 238000003754 machining Methods 0.000 description 4
- 238000009841 combustion method Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005315 distribution function Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a uniform distribution device applied in a falling-film evaporator. The uniform distribution device comprises a cover plate, and further comprises a first liquid-uniform plate, a second liquid-uniform plate and a third liquid-uniform plate, wherein two liquid inlets are formed in the cover plate and arranged at the two ends of the cover plate at intervals; the cover plate, the first liquid-uniform plate, the second liquid-uniform plate and the third liquid-uniform plate are arranged in sequence from top to bottom; a first cavity is formed between the cover plate and the first liquid-uniform plate; a second cavity is formed between the first liquid-uniform plate and the second liquid-uniform plate; a third cavity is formed between the second liquid-uniform plate and the third liquid-uniform plate. The utility model further relates to the falling-film evaporator and the water chilling unit. According to the uniform distribution device and the falling-film evaporator as well as the water chilling unit, the uniform distribution device realizes the uniform distribution for refrigerants, and avoids the phenomenon that a heat-exchanging pipe is dry-heated due to uneven distribution of the refrigerants, so that the heat-exchanging efficiency of the falling-film evaporator is effectively improved.
Description
Technical field
The utility model relates to refrigerating field, relates in particular to a kind of even distribution device and downward film evaporator and handpiece Water Chilling Units.
Background technology
The evaporimeter that occurred in the last few years a kind of falling film type form obtains extensive concern with its efficient performance, and this evaporimeter is widely used in the industry such as desalinization, chemical industry.In refrigeration unit, in industry, also there is part producer attempting use.Compared with conventional dry evaporator and flooded evaporator, downward film evaporator has following advantage: 1, the coefficient of heat transfer is high; 2, reduce the about 20%-40% of refrigerant perfused amount; 3, unit oil return efficiency is high.But above all advantages are to be all based upon on the uniform basis of distribution of refrigerant.Conventionally refrigeration unit can adopt single inlet, and be placed in the middle of even distribution device, so just there will be following problem: even distribution device is not enough levels along length or width placement, or because processing reason causes even distribution device entirety out-of-flatness or distortion, or device is installed can not ensure level, one of them or several reason all can cause cold-producing medium cannot flow to uniformly device two ends, when this out-of-level, out-of-flatness or distortion are more serious time, even there will be cold-producing medium to flow and arrive relatively high one end.Will cause like this heat-exchanging tube bundle of even distribution device below on length and width both direction, the upper liquid refrigerant of part tube bank is too much, and the upper liquid refrigerant undersupply of another part tube bank.On the heat exchanger tube of refrigerant feed liquid deficiency, will form " dry combustion method " phenomenon, cause the utilization rate of heat exchanger tube significantly to reduce, finally affect the performance of unit.Therefore, only arrange in the situation of single inlet, even in order to realize distribution of refrigerant, it is comparatively complicated that the structure of even distribution device just becomes, and machining accuracy, installation requirement are comparatively strict.
American documentation literature US6, a kind of cold-producing medium even distribution device of announcing in 293,11B1, is comparatively advanced at present scheme, and it adopts five layers of perforated layer plate structure, forms 4 chambeies, and cold-producing medium distributes from top to bottom step by step.But this structure is comparatively complicated, and assembly difficulty is large, and requirement on machining accuracy is high.
In Chinese patent literature CN102661638A, announce a kind of even distribution device, adopted multi-layer porous plate, and screen pack has been set between plate, three layers of downflow weir have been set simultaneously.Although it is low that this device can improve separative efficiency, the cost of manufacture of gas-liquid two-phase cold-producing medium, can build-up of pressure loss increase, downflow weir installation accuracy is had relatively high expectations.If form volume production in handpiece Water Chilling Units, also need to make further improvements.
Utility model content
In view of the present situation of prior art, the purpose of this utility model is to provide a kind of even distribution device and downward film evaporator and handpiece Water Chilling Units, and even distribution device has been realized the uniform distribution of cold-producing medium, has effectively improved the heat exchange efficiency of downward film evaporator.For achieving the above object, the technical solution of the utility model is as follows:
A kind of even distribution device, be applied in downward film evaporator, described even distribution device comprises cover plate, on described cover plate, inlet is set, the quantity of described inlet is two, two described inlets are disposed on the two ends of described cover plate, described even distribution device also comprises the first liquid-distributing plate, the second liquid-distributing plate and the 3rd liquid-distributing plate, described cover plate, described the first liquid-distributing plate, described the second liquid-distributing plate and described the 3rd liquid-distributing plate set gradually from top to bottom, between described cover plate and described the first liquid-distributing plate, form the first cavity, between described the first liquid-distributing plate and described the second liquid-distributing plate, form the second cavity, between described the second liquid-distributing plate and described the 3rd liquid-distributing plate, form the 3rd cavity.
More preferably, the ratio of the area of two described inlets is 4:1-2:1.
Further, two described inlets, wherein area the greater is arranged at the 1/4-3/8 place of described even distribution device overall length, and area smaller is arranged at the 3/4-7/8 place of described even distribution device overall length, and the position reference of above two described inlets is identical.
More preferably, described cover plate is folded edges, and all sides of described cover plate arrange flanging;
In the length of described cover plate or/and be provided with installation portion on the described flanging of width, described installation portion is step-like, the first paragraph step of described installation portion is for described the first liquid-distributing plate is located, and the second segment step of described installation portion is for locating described the second liquid-distributing plate.
More preferably, all sides of described the first liquid-distributing plate arrange flanging, and first through hole corresponding with described first paragraph step is set on described the first liquid-distributing plate, and described first paragraph step runs through described the first through hole, and multiple the first liquid pass holes are also set on described the first liquid-distributing plate.
Further, the flanging angle of described the first liquid-distributing plate is 80 °-100 °, and the aperture of described the first liquid pass hole is 2.5mm-8mm;
Multiple described the first liquid pass hole spread patterns are rectangle, the horizontal spacing 8mm-62mm in line direction between adjacent two described the first liquid pass holes, and the longitudinal pitch in file direction between adjacent two described the first liquid pass holes is 6mm-42mm.
More preferably, described the second liquid-distributing plate is dull and stereotyped or band folded edges, described the second liquid-distributing plate is placed in described the first liquid-distributing plate, on described the second liquid-distributing plate, be provided with second through hole corresponding with described second segment step, described second segment step runs through described the second through hole, is also provided with multiple the second liquid pass holes on described the second liquid-distributing plate.
More preferably, the aperture of described the second liquid pass hole is 2.5mm-8mm;
The spread pattern of multiple described the second liquid pass holes is rectangle or rhombus, in the time that multiple described the second liquid pass holes are arranged in rectangle, the horizontal spacing of adjacent two described the second liquid pass holes is 8mm-62mm, and the longitudinal pitch of adjacent two described the second liquid pass holes is 6mm-42mm.
More preferably, described the 3rd liquid-distributing plate is dull and stereotyped or band folded edges, and multiple grooves are set on its length direction, and multiple described grooves be arranged in parallel, and each described groove is provided with multiple the 3rd liquid pass holes.
More preferably, the quantity of the quantity of the described groove first row heat exchanger tube intrafascicular with the heat exchange tube of described downward film evaporator is identical, multiple described groove in the vertical directions first row heat exchanger tube intrafascicular with the heat exchange tube of described downward film evaporator is corresponding one by one, and the spacing of adjacent two described grooves is identical with the center distance of described first row heat exchanger tube.
More preferably, the aperture of described the 3rd liquid pass hole is 2.5mm-9mm, and at the length direction of described groove, on each described groove, the pitch of holes of adjacent two described the 3rd liquid pass holes is 10mm-68mm.
More preferably, the longitudinal section of described groove is V-type or arc, and in the time that groove is V-type groove, the interior angle of described V-type groove is 60 °-150 °.
More preferably, the flanging angle of described the 3rd liquid-distributing plate is 60 °-150 °.
More preferably, the height of described first paragraph step is 3mm-28mm, and width is 3mm-42mm;
The height of described second segment step is 3mm-28mm, and the width of described second segment step is less than the width of described first paragraph step.
Also relate to a kind of downward film evaporator, comprise the even distribution device of above-mentioned arbitrary technical scheme.
Also relate to a kind of handpiece Water Chilling Units, comprise downward film evaporator, also comprise the even distribution device of above-mentioned arbitrary technical scheme, described even distribution device is arranged in described downward film evaporator.
The beneficial effects of the utility model are:
Even distribution device of the present utility model and downward film evaporator and handpiece Water Chilling Units, even distribution device has been realized the uniform distribution of cold-producing medium, can effectively avoid heat exchanger tube " dry combustion method " phenomenon because distribution of refrigerant inequality causes, simultaneously in limited heat exchange area, utilize to greatest extent heat exchanger tube, effectively improved the heat exchange efficiency of downward film evaporator, simultaneously even distribution device is simple in structure, easy to assembly, requirement on machining accuracy is low, with low cost, is adapted at using in batches in handpiece Water Chilling Units.
Brief description of the drawings
Fig. 1 is the schematic perspective view of even distribution device of the present utility model;
Fig. 2 is the main pseudosection of even distribution device shown in Fig. 1;
Fig. 3 is the upward view of even distribution device shown in Fig. 1;
Fig. 4 is the decomposing schematic representation of even distribution device shown in Fig. 1;
Fig. 5 is that the installation portion of even distribution device of the present utility model coordinates schematic diagram with the first liquid-distributing plate, the second liquid-distributing plate;
Fig. 6 is the side-looking part sectioned view of even distribution device shown in Fig. 1;
Fig. 7 is the schematic perspective view of another embodiment of even distribution device of the present utility model;
Fig. 8 is the main pseudosection of even distribution device shown in Fig. 7;
Fig. 9 is the schematic perspective view of the 3rd liquid-distributing plate
Figure 10 is the schematic top plan view of the 3rd liquid-distributing plate shown in Fig. 9;
Figure 11 is that the 3rd liquid-distributing plate A-A in Figure 10 is to cutaway view;
Figure 12 is the partial enlarged drawing of I part in Figure 11.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, even distribution device of the present utility model and downward film evaporator and handpiece Water Chilling Units are further elaborated.Should be appreciated that specific embodiment described herein is only for explaining the utility model, and be not used in restriction the utility model.
Referring to figs. 1 through Figure 12, even distribution device one embodiment of the present utility model, be applied in downward film evaporator, even distribution device comprises cover plate 1, the first liquid-distributing plate 3, the second liquid-distributing plate 5 and the 3rd liquid-distributing plate 4, cover plate 1, the first liquid-distributing plate 3, the second liquid-distributing plate 5 and the 3rd liquid-distributing plate 4 set gradually from top to bottom, between cover plate 1 and the first liquid-distributing plate 3, form the first cavity 6, between the first liquid-distributing plate 3 and the second liquid-distributing plate 5, form the second cavity 7, between the second liquid-distributing plate 5 and the 3rd liquid-distributing plate 4, form the 3rd cavity 8, inlet 2 is set on cover plate 1, the quantity of inlet 2 is two, two inlets 2 are disposed on the two ends of cover plate 1, the ratio of the area of two inlets 2 is 4:1-2:1, preferably 3:1.Two inlets 2, wherein area the greater is arranged at the 1/4-3/8 place of even distribution device overall length, preferably 1/3 place; Area smaller is arranged at the 3/4-7/8 place of even distribution device overall length, preferably 4/5 place, and the position reference of above two inlets 2 is identical.
As a kind of embodiment, cover plate 1 is folded edges, all sides of cover plate 1 arrange flanging, in the length of cover plate 1 or/and be provided with installation portion 11 on the described flanging of width, installation portion 11 is step-like, the first paragraph step 111 of installation portion 11 is for the first liquid-distributing plate 3 is located, and the second segment step 112 of installation portion 11 is for locating the second liquid-distributing plate 5.Preferably, the height of first paragraph step 111 is 3mm-28mm, and width is 3mm-42mm; The height of second segment step 112 is 3mm-28mm, and the width of second segment step 112 is less than the width of first paragraph step 111.The thickness of slab of cover plate 1 is 1mm-3mm, preferably 2.0mm; The thickness of slab of cover plate 1 and its flanging is recommended but is not limited to 1mm-3mm, preferably 2.0mm.On every flanging, the quantity of installation portion 11 is recommended but is not limited to 0-16.Along length and the width both direction of cover plate 1, the installation portion 11 on two flangings is symmetrical arranged or asymmetric setting separately.
All sides of the first liquid-distributing plate 3 arrange flanging, the flanging angle of the first liquid-distributing plate 3 is 80 °-100 °, preferably 90 ° wherein, the flanging angle of the first liquid-distributing plate 3 is the angle between main board and its flanging of the first liquid-distributing plate 3, first through hole 32 corresponding with first paragraph step 111 is set on the first liquid-distributing plate 3, first paragraph step 111 runs through the first through hole 32, multiple the first liquid pass holes 31 are also set on the first liquid-distributing plate 3, the aperture of the first liquid pass hole 31 is 2.5mm-8mm, multiple the first liquid pass hole 31 spread patterns are rectangle, horizontal spacing 8-62mm in line direction between adjacent two the first liquid pass holes 31, longitudinal pitch in file direction between adjacent two the first liquid pass holes 31 is 6mm-42mm.The thickness of slab of the first liquid-distributing plate 3 is 1mm-3mm, preferably 2.0mm.
The second liquid-distributing plate 5 is dull and stereotyped or band folded edges, the second liquid-distributing plate 5 is placed in the first liquid-distributing plate 3, on the second liquid-distributing plate 5, be provided with second through hole 52 corresponding with second segment step 112, second segment step 112 runs through the second through hole 52, on the second liquid-distributing plate 5, be also provided with multiple the second liquid pass holes 51, the aperture of the second liquid pass hole 51 is 2.5-8mm, the spread pattern of multiple the second liquid pass holes 51 is rectangle or rhombus, in the time that multiple the second liquid pass holes 51 are arranged in rectangle, the horizontal spacing of adjacent two the second liquid pass holes 51 is 8mm-62mm, the longitudinal pitch of adjacent two the second liquid pass holes 51 is 6mm-42mm.The thickness of slab of the second liquid-distributing plate 5 is 1mm-3mm, preferably 2.0mm.
The 3rd liquid-distributing plate 4 is dull and stereotyped or band folded edges, and the thickness of slab of the 3rd liquid-distributing plate 4 is 1mm-3mm, and preferably 2.0mm arranges multiple grooves 42 on its length direction, and multiple grooves 42 be arranged in parallel, and each groove 42 is provided with multiple the 3rd liquid pass holes 41.When the 3rd liquid-distributing plate 4 is during for band folded edges, the flanging angle of the 3rd liquid-distributing plate 4 is 60 °-150 °, and preferably 90 °, wherein, the flanging angle of the 3rd liquid-distributing plate 4 is the angle between main board and its flanging 43 of the 3rd liquid-distributing plate 4.The flanging 43 of the 3rd liquid-distributing plate 4 is placed in the flanging of the first liquid-distributing plate 3, as depicted in figs. 1 and 2; The flanging 43 of certain the 3rd liquid-distributing plate 4 also can be placed in outside the flanging of the first liquid-distributing plate 3, as shown in Figure 7 and Figure 8.
The quantity of the quantity of the groove 42 first row heat exchanger tube intrafascicular with the heat exchange tube of downward film evaporator is identical, multiple groove 42 in the vertical directions first row heat exchanger tube intrafascicular with the heat exchange tube of downward film evaporator is corresponding one by one, the spacing of adjacent two grooves 42 is identical with the center distance of first row heat exchanger tube, makes the cold-producing medium in groove 42 drip or be ejected into the intrafascicular first row heat exchanger tube surface of heat exchange tube from the 3rd liquid pass hole 41.
The aperture of the 3rd liquid pass hole 41 is 2.5mm-9mm, and on the length direction of groove 42, on each groove 42, the pitch of holes of adjacent two the 3rd liquid pass holes 41 is 10mm-68mm.The longitudinal section of groove 42 is V-type or arc, and in the time that groove 42 is V-type groove, the interior angle of V-type groove is 60 °-150 °, and preferably 120 °, the interior angle of V-type groove is the angle between two inner surfaces of V-type groove.
When even distribution device work, cold-producing medium enters the first cavity 6 by inlet 2, the flow velocity that relies on self mobility and have, be full of after the first cavity 6, through the primary distribution of the first liquid pass hole 31 on the first liquid-distributing plate 3, flow into the second cavity 7, through the secondary distribution of the second liquid pass hole 51 on the second liquid-distributing plate 5, flow into the 3rd cavity 8, can be gathered in the groove 42 on the 3rd liquid-distributing plate 4 through the cold-producing medium of twice uniform distribution, after the distribution for the third time of groove 42 and converging, three liquid pass hole 41 of cold-producing medium from groove 42 flows out even distribution device, contact with the heat exchanger tube tube bank under even distribution device, realize exchange heat.
Cold-producing medium is inhomogeneous after the first cavity 6, and (in fact because even distribution device cannot be realized complete level and installs, or even distribution device can not accomplish completely smoothly and indeformable, or two kinds of situations occur simultaneously, this inhomogeneously almost cannot avoid.), then carry out secondary distribution (if described situation is more severe, even polylith second liquid-distributing plate 5 can be set again) by the second liquid-distributing plate 5 more, finally by the distribution of crossing the 3rd liquid-distributing plate 4, also can evenly fall in heat exchanger tube tube bank.Groove 42 has guide effect, liquid refrigerant is moving to the concentrated flow of lower according to gravity, and be gathered in groove 42, even in the situation that even distribution device installation can not ensure level, on length direction, occur that one end is higher than other end situation, cold-producing medium is filling up after the groove 42 of relative lower, and in the spontaneous groove that flow to relative eminence 42, groove 42 has simultaneously and converges and guide functions.Liquid refrigerant is moving to the concentrated flow of lower according to gravity, and be gathered in groove 42, even in the situation that even distribution device installation can not ensure level, on width, occur that one end is higher than other end situation, cold-producing medium is filling up after the groove 42 of relative lower, in the spontaneous groove that flow to relative eminence 42, groove 42 also has distribution function again.Cold-producing medium by even distribution device can drip accurately or be ejected on heat exchanger tube, realizes high efficiency heat exchange, thereby has improved unit performance.
The utility model also provides a kind of downward film evaporator (not shown), comprises above-mentioned even distribution device, and even distribution device is placed in the housing of downward film evaporator.The utility model also provides a kind of handpiece Water Chilling Units (not shown), comprises downward film evaporator, also comprises above-mentioned even distribution device, and described even distribution device is arranged in described downward film evaporator.Downward film evaporator and handpiece Water Chilling Units are prior art except even distribution device, repeat no longer one by one herein.
The even distribution device of above embodiment and downward film evaporator and handpiece Water Chilling Units, adaptive ability is strong, even distribution device has been realized the uniform distribution of cold-producing medium, can effectively avoid heat exchanger tube " dry combustion method " phenomenon because distribution of refrigerant inequality causes, simultaneously in limited heat exchange area, utilize to greatest extent heat exchanger tube, effectively improve the heat exchange efficiency of downward film evaporator, simultaneously even distribution device is simple in structure, easy to assembly, requirement on machining accuracy is low, with low cost, be adapted at using in batches in handpiece Water Chilling Units.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (16)
1. an even distribution device, is applied in downward film evaporator, it is characterized in that:
Comprise cover plate, on described cover plate, inlet is set, the quantity of described inlet is two, two described inlets are disposed on the two ends of described cover plate, described even distribution device also comprises the first liquid-distributing plate, the second liquid-distributing plate and the 3rd liquid-distributing plate, described cover plate, described the first liquid-distributing plate, described the second liquid-distributing plate and described the 3rd liquid-distributing plate set gradually from top to bottom, between described cover plate and described the first liquid-distributing plate, form the first cavity, between described the first liquid-distributing plate and described the second liquid-distributing plate, form the second cavity, between described the second liquid-distributing plate and described the 3rd liquid-distributing plate, form the 3rd cavity.
2. even distribution device according to claim 1, is characterized in that:
The ratio of the area of two described inlets is 4:1-2:1.
3. even distribution device according to claim 2, is characterized in that:
Two described inlets, wherein area the greater is arranged at the 1/4-3/8 place of described even distribution device overall length, and area smaller is arranged at the 3/4-7/8 place of described even distribution device overall length, and the position reference of above two described inlets is identical.
4. even distribution device according to claim 2, is characterized in that:
Described cover plate is folded edges, and all sides of described cover plate arrange flanging;
In the length of described cover plate or/and be provided with installation portion on the described flanging of width, described installation portion is step-like, the first paragraph step of described installation portion is for described the first liquid-distributing plate is located, and the second segment step of described installation portion is for locating described the second liquid-distributing plate.
5. even distribution device according to claim 4, is characterized in that:
All sides of described the first liquid-distributing plate arrange flanging, and first through hole corresponding with described first paragraph step is set on described the first liquid-distributing plate, and described first paragraph step runs through described the first through hole, and multiple the first liquid pass holes are also set on described the first liquid-distributing plate.
6. even distribution device according to claim 5, is characterized in that:
The flanging angle of described the first liquid-distributing plate is 80 °-100 °, and the aperture of described the first liquid pass hole is 2.5mm-8mm;
Multiple described the first liquid pass hole spread patterns are rectangle, the horizontal spacing 8mm-62mm in line direction between adjacent two described the first liquid pass holes, and the longitudinal pitch in file direction between adjacent two described the first liquid pass holes is 6mm-42mm.
7. even distribution device according to claim 5, is characterized in that:
Described the second liquid-distributing plate is dull and stereotyped or band folded edges, described the second liquid-distributing plate is placed in described the first liquid-distributing plate, on described the second liquid-distributing plate, be provided with second through hole corresponding with described second segment step, described second segment step runs through described the second through hole, is also provided with multiple the second liquid pass holes on described the second liquid-distributing plate.
8. even distribution device according to claim 7, is characterized in that:
The aperture of described the second liquid pass hole is 2.5mm-8mm;
The spread pattern of multiple described the second liquid pass holes is rectangle or rhombus, in the time that multiple described the second liquid pass holes are arranged in rectangle, the horizontal spacing of adjacent two described the second liquid pass holes is 8mm-62mm, and the longitudinal pitch of adjacent two described the second liquid pass holes is 6mm-42mm.
9. even distribution device according to claim 5, is characterized in that:
Described the 3rd liquid-distributing plate is dull and stereotyped or band folded edges, and multiple grooves are set on its length direction, and multiple described grooves be arranged in parallel, and each described groove is provided with multiple the 3rd liquid pass holes.
10. even distribution device according to claim 9, is characterized in that:
The quantity of the quantity of the described groove first row heat exchanger tube intrafascicular with the heat exchange tube of described downward film evaporator is identical, multiple described groove in the vertical directions first row heat exchanger tube intrafascicular with the heat exchange tube of described downward film evaporator is corresponding one by one, and the spacing of adjacent two described grooves is identical with the center distance of described first row heat exchanger tube.
11. even distribution devices according to claim 9, is characterized in that:
The aperture of described the 3rd liquid pass hole is 2.5mm-9mm, and at the length direction of described groove, on each described groove, the pitch of holes of adjacent two described the 3rd liquid pass holes is 10mm-68mm.
12. even distribution devices according to claim 9, is characterized in that:
The longitudinal section of described groove is V-type or arc;
In the time that groove is V-type groove, the interior angle of described V-type groove is 60 °-150 °.
13. even distribution devices according to claim 9, is characterized in that:
The flanging angle of described the 3rd liquid-distributing plate is 60 °-150 °.
14. according to the even distribution device described in claim 4-13 any one, it is characterized in that:
The height of described first paragraph step is 3mm-28mm, and width is 3mm-42mm;
The height of described second segment step is 3mm-28mm, and the width of described second segment step is less than the width of described first paragraph step.
15. 1 kinds of downward film evaporators, is characterized in that:
Comprise the even distribution device described in claim 1-14 any one.
16. 1 kinds of handpiece Water Chilling Units, comprise downward film evaporator, it is characterized in that:
Also comprise the even distribution device described in claim 1-14 any one, described even distribution device is arranged in described downward film evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420204659.4U CN203908118U (en) | 2014-04-24 | 2014-04-24 | Uniform distribution device and falling-film evaporator, as well as water chilling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420204659.4U CN203908118U (en) | 2014-04-24 | 2014-04-24 | Uniform distribution device and falling-film evaporator, as well as water chilling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203908118U true CN203908118U (en) | 2014-10-29 |
Family
ID=51782384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420204659.4U Expired - Lifetime CN203908118U (en) | 2014-04-24 | 2014-04-24 | Uniform distribution device and falling-film evaporator, as well as water chilling unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203908118U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482400A (en) * | 2016-11-15 | 2017-03-08 | 顿汉布什(中国)工业有限公司 | A kind of for the allotter in downward film evaporator |
| CN106524599A (en) * | 2016-11-15 | 2017-03-22 | 顿汉布什(中国)工业有限公司 | Refrigerating fluid gravitational trickling plate for falling film distributor |
| CN106766407A (en) * | 2016-11-21 | 2017-05-31 | 重庆美的通用制冷设备有限公司 | Distributor, evaporator and handpiece Water Chilling Units |
| CN108592458A (en) * | 2018-07-10 | 2018-09-28 | 珠海格力电器股份有限公司 | A kind of current equalizing structure, downward film evaporator and handpiece Water Chilling Units |
-
2014
- 2014-04-24 CN CN201420204659.4U patent/CN203908118U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482400A (en) * | 2016-11-15 | 2017-03-08 | 顿汉布什(中国)工业有限公司 | A kind of for the allotter in downward film evaporator |
| CN106524599A (en) * | 2016-11-15 | 2017-03-22 | 顿汉布什(中国)工业有限公司 | Refrigerating fluid gravitational trickling plate for falling film distributor |
| CN106482400B (en) * | 2016-11-15 | 2019-04-12 | 顿汉布什(中国)工业有限公司 | A kind of distributor in downward film evaporator |
| CN106766407A (en) * | 2016-11-21 | 2017-05-31 | 重庆美的通用制冷设备有限公司 | Distributor, evaporator and handpiece Water Chilling Units |
| CN106766407B (en) * | 2016-11-21 | 2018-08-07 | 重庆美的通用制冷设备有限公司 | Distributor, evaporator and handpiece Water Chilling Units |
| CN108592458A (en) * | 2018-07-10 | 2018-09-28 | 珠海格力电器股份有限公司 | A kind of current equalizing structure, downward film evaporator and handpiece Water Chilling Units |
| CN108592458B (en) * | 2018-07-10 | 2019-10-18 | 珠海格力电器股份有限公司 | A kind of current equalizing structure, downward film evaporator and water cooler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203908117U (en) | Uniform distribution device and falling-film evaporator, as well as water chilling unit | |
| US10060678B2 (en) | Falling film evaporator | |
| CN203908118U (en) | Uniform distribution device and falling-film evaporator, as well as water chilling unit | |
| CN203908116U (en) | Uniform distribution device and falling-film evaporator as well as water chilling unit | |
| TWI665423B (en) | Cooling tower water distribution system | |
| US9993743B2 (en) | Distributor tray for gas/liquid contact column with secondary distribution system | |
| JP6855765B2 (en) | Gas-liquid contact device | |
| KR20110104667A (en) | Distributor, evaporator and refrigerating machine with the same | |
| CN105091417B (en) | Even distribution device and downward film evaporator and handpiece Water Chilling Units | |
| US10222105B2 (en) | Refrigerant distributor for falling film evaporator | |
| CN106969555A (en) | Coolant distributor and falling film evaporator | |
| CN107356017B (en) | Liquid distributor for falling film evaporator | |
| WO2018189887A1 (en) | Falling film type heat exchanger | |
| CN105264322B (en) | For the refrigerant distributor of downward film evaporator | |
| CN105783347A (en) | Refrigerating fluid distributor for falling film evaporator | |
| CN203908119U (en) | Uniform distribution device and falling-film evaporator as well as water chilling unit | |
| CN102252468B (en) | Refrigerant distributor of falling film evaporator | |
| CN208458315U (en) | A kind of current equalizing structure, downward film evaporator and water cooler | |
| CN112923613A (en) | Improve uneven slice ice machine cask type evaporimeter of gas-liquid refrigerant distribution | |
| CN205014705U (en) | Refrigerant equipartition device and falling film evaporator and cooling water set | |
| CN102661638B (en) | Refrigerant distributor of falling film evaporator for water chilling unit | |
| CN206008066U (en) | A kind of distributed falling film evaporator | |
| CN205980856U (en) | Air cooling heat exchanger tube bundles | |
| CN108168354B (en) | Liquid injection structure and collecting and redistributing fin structure and method thereof | |
| CN112944744B (en) | Liquid distributor, falling film heat exchanger and air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141029 |