CN203908117U - Uniform distribution device, falling film evaporator and water chilling unit - Google Patents
Uniform distribution device, falling film evaporator and water chilling unit Download PDFInfo
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- CN203908117U CN203908117U CN201420204658.XU CN201420204658U CN203908117U CN 203908117 U CN203908117 U CN 203908117U CN 201420204658 U CN201420204658 U CN 201420204658U CN 203908117 U CN203908117 U CN 203908117U
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- distributing plate
- distribution device
- even distribution
- flanging
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 14
- 239000011552 falling film Substances 0.000 title abstract description 3
- 238000009827 uniform distribution Methods 0.000 title description 5
- 239000007788 liquid Substances 0.000 claims abstract description 70
- 238000009826 distribution Methods 0.000 claims description 74
- 238000009434 installation Methods 0.000 claims description 20
- 238000003466 welding Methods 0.000 claims description 3
- 239000010408 film Substances 0.000 abstract description 26
- 239000003507 refrigerant Substances 0.000 abstract description 13
- 238000009841 combustion method Methods 0.000 abstract description 4
- 239000000498 cooling water Substances 0.000 abstract 2
- 238000003754 machining Methods 0.000 description 4
- 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
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides an equipartition device, use in falling liquid film evaporator, the equipartition device is including the apron, first liquid board, second liquid board and third liquid board, the apron, first liquid board, second liquid board and third liquid board are from last down setting gradually, set up the inlet on the apron, the apron is the hem structure, the week side of apron sets up the hem, week side of first liquid board and week side of third liquid board also all are provided with the hem, outside the hem of first liquid board is arranged in to the hem of third liquid board, form first cavity between apron and the first liquid board, form the second cavity between first liquid board and the second liquid board, form the third cavity between second liquid board and the third liquid board. Still relate to a falling film evaporator and cooling water set. The utility model discloses an equipartition device and falling liquid film evaporator and cooling water set, the equipartition device has realized the evenly distributed of refrigerant, avoids the heat exchange tube "dry combustion method" phenomenon because of the refrigerant distributes unevenly to cause.
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 industries such as desalinization, chemical industry.In refrigeration unit, in industry, also there is part producer attempting use.Compare 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 the whole out-of-flatness of even distribution device or distortion, or device is installed can not guarantee 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, announced 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, 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, on described cover plate, inlet is set, described cover plate is folded edges, all sides of described cover plate arrange flanging, all sides of all sides of described the first liquid-distributing plate and described the 3rd liquid-distributing plate are also provided with flanging, the flanging of described the 3rd liquid-distributing plate is placed in outside the flanging of described the first liquid-distributing plate, 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, 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 locating described the first liquid-distributing plate, the second segment step of described installation portion is for described the second liquid-distributing plate is located, and described installation portion is used for described the 3rd liquid-distributing plate location away from the end face of one end of described cover plate.
Further, first through hole corresponding with described first paragraph step is set on described the first liquid-distributing plate, described first paragraph step runs through described the first through hole, and a plurality of the first liquid pass holes are also set on described the first liquid-distributing plate;
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 a plurality of the second liquid pass holes on described the second 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;
A plurality of 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.
Further, the aperture of described the second liquid pass hole is 2.5mm-8mm;
The spread pattern of a plurality of described the second liquid pass holes is rectangle or rhombus, when a plurality of 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.
Further, 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.
Further, described the 3rd liquid-distributing plate arranges a plurality of grooves on its length direction, and a plurality of described grooves be arranged in parallel, and described in each, groove is provided with a plurality of the 3rd liquid pass holes.
Further, the longitudinal section of described groove is V-type or arc, and when described groove is V-type groove, the interior angle of described V-type groove is 60 °-150 °.
Further, the flanging angle of described the 3rd liquid-distributing plate is 60 °-150 °, and the aperture of described the 3rd liquid pass hole is 2.5mm-9mm, and on the length direction of described groove, described in each, on groove, the pitch of holes of adjacent two described the 3rd liquid pass holes is 10mm-68mm.
More preferably, the quantity of the first comb that the quantity of described groove is intrafascicular with the heat exchange tube of described downward film evaporator is identical, a plurality of 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 quantity of described inlet is two, and two described inlets are disposed on the two ends of described cover plate, and 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, the connected mode of the flanging of the flanging of described the 3rd liquid-distributing plate and described the first liquid-distributing plate is welding or riveted joint.
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.
Accompanying drawing explanation
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 schematic perspective view of the 3rd liquid-distributing plate;
Fig. 7 is the schematic top plan view of the 3rd liquid-distributing plate shown in Fig. 6;
Fig. 8 is that the 3rd liquid-distributing plate A-A in Fig. 7 is to cutaway view;
Fig. 9 is the partial enlarged drawing of I part in Fig. 8.
The specific embodiment
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 Fig. 9, 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, 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.The thickness of slab of cover plate 1 is 1mm-3mm, preferably 2.0mm.
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, preferred 4/5 place, and the position reference of above two inlets 2 is identical.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.
All sides of the first liquid-distributing plate 3 arrange flanging, and first through hole 32 corresponding with first paragraph step 111 is set on the first liquid-distributing plate 3, and first paragraph step 111 runs through on the first through hole 32, the first liquid-distributing plates 3 a plurality of the first liquid pass holes 31 are also set.The flanging angle of the first liquid-distributing plate 3 is 80 °-100 °, and preferably 90 °, the flanging angle of the first liquid-distributing plate 3 is the main board of the first liquid-distributing plate 3 and the angle between its flanging.The aperture of the first liquid pass hole 31 is 2.5-8mm, a plurality of 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, the longitudinal pitch in file direction between adjacent two the first liquid pass holes 31 is 6-42mm.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 a plurality of the second liquid pass holes 51, the aperture of the second liquid pass hole 51 is 2.5-8mm, the spread pattern of a plurality of the second liquid pass holes 51 is rectangle or rhombus, when a plurality of 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 band folded edges, and the flanging 43 of the 3rd liquid-distributing plate 4 is placed in outside the flanging of the first liquid-distributing plate 3, and the connected mode of the flanging 43 of the 3rd liquid-distributing plate 4 and the flanging of the first liquid-distributing plate 3 is welding or riveted joint.The flanging angle of the 3rd liquid-distributing plate 4 is 60 °-150 °, and preferably 90 °, the flanging angle of the 3rd liquid-distributing plate 4 is the main board of the 3rd liquid-distributing plate 4 and the angle between its flanging 43.The flanging 43 of the 3rd liquid-distributing plate 4 is placed in outside the flanging of the first liquid-distributing plate 3, thereby effectively prevents that the liquid refrigerant in the 3rd cavity 8 from leaking at the flanging place of the first liquid-distributing plate 3.
The 3rd liquid-distributing plate 4 arranges a plurality of grooves 42 on its length direction, a plurality of grooves 42 be arranged in parallel, each groove 42 is provided with a plurality of the 3rd liquid pass holes 41, the aperture of the 3rd liquid pass hole 41 is 2.5mm-9mm, 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 quantity of the first row heat exchanger tube that the quantity of groove 42 is intrafascicular with the heat exchange tube of downward film evaporator is identical, a plurality of 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.Preferably, the longitudinal section of groove 42 is V-type or arc, and when 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.
During 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, primary distribution through the first liquid pass hole 31 on the first liquid-distributing plate 3, flow into the second cavity 7, secondary distribution through the second liquid pass hole 51 on the second liquid-distributing plate 5, flow into the 3rd cavity 8, cold-producing medium through twice uniform distribution can be gathered in the groove 42 on the 3rd liquid-distributing plate 4, 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 (in fact because even distribution device cannot be realized complete level installation, or even distribution device can not be accomplished completely smooth and indeformable, or two kinds of situations occur simultaneously, this inhomogeneously almost cannot avoid), by the second liquid-distributing plate 5, carry out secondary distribution (if described situation is more severe again, even polylith second liquid-distributing plate 5 can be set again 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 guarantee level, on length direction, occur that one end is higher than other end situation, cold-producing medium is after filling up 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 guarantee level, on width, occur that one end is higher than other end situation, cold-producing medium is after filling up 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 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, 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 (15)
1. an even distribution device, is applied in downward film evaporator, it is characterized in that:
Comprise cover plate, 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, on described cover plate, inlet is set, described cover plate is folded edges, all sides of described cover plate arrange flanging, all sides of all sides of described the first liquid-distributing plate and described the 3rd liquid-distributing plate are also provided with flanging, the flanging of described the 3rd liquid-distributing plate is placed in outside the flanging of described the first liquid-distributing plate, 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:
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 locating described the first liquid-distributing plate, the second segment step of described installation portion is for described the second liquid-distributing plate is located, and described installation portion is used for described the 3rd liquid-distributing plate location away from the end face of one end of described cover plate.
3. even distribution device according to claim 2, is characterized in that:
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 a plurality of the first liquid pass holes are also set on described the first liquid-distributing plate;
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 a plurality of the second liquid pass holes on described the second liquid-distributing plate.
4. even distribution device according to claim 3, 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 2.5-8mm;
A plurality of 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.
5. even distribution device according to claim 3, is characterized in that:
The aperture of described the second liquid pass hole is 2.5mm-8mm;
The spread pattern of a plurality of described the second liquid pass holes is rectangle or rhombus, when a plurality of 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.
6. even distribution device according to claim 3, 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.
7. even distribution device according to claim 3, is characterized in that:
Described the 3rd liquid-distributing plate arranges a plurality of grooves on its length direction, and a plurality of described grooves be arranged in parallel, and described in each, groove is provided with a plurality of the 3rd liquid pass holes.
8. even distribution device according to claim 7, is characterized in that:
The longitudinal section of described groove is V-type or arc, and when described groove is V-type groove, the interior angle of described V-type groove is 60 °-150 °.
9. even distribution device according to claim 8, is characterized in that:
The flanging angle of described the 3rd liquid-distributing plate is 60 °-150 °, and the aperture of described the 3rd liquid pass hole is 2.5mm-9mm, and on the length direction of described groove, described in each, on groove, the pitch of holes of adjacent two described the 3rd liquid pass holes is 10mm-68mm.
10. even distribution device according to claim 7, is characterized in that:
The quantity of the first comb that the quantity of described groove is intrafascicular with the heat exchange tube of described downward film evaporator is identical, a plurality of 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 3, is characterized in that:
The quantity of described inlet is two, and two described inlets are disposed on the two ends of described cover plate, and the ratio of the area of two described inlets is 4:1-2:1.
12. even distribution devices according to claim 11, 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.
13. according to the even distribution device described in claim 1-12 any one, it is characterized in that:
The connected mode of the flanging of the flanging of described the 3rd liquid-distributing plate and described the first liquid-distributing plate is welding or riveted joint.
14. 1 kinds of downward film evaporators, is characterized in that:
Comprise the even distribution device described in claim 1-13 any one.
15. 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 1-13 any one, described even distribution device is arranged in described downward film evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420204658.XU CN203908117U (en) | 2014-04-24 | 2014-04-24 | Uniform distribution device, falling film evaporator and water chilling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420204658.XU CN203908117U (en) | 2014-04-24 | 2014-04-24 | Uniform distribution device, falling film evaporator and water chilling unit |
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| Publication Number | Publication Date |
|---|---|
| CN203908117U true CN203908117U (en) | 2014-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420204658.XU Expired - Lifetime CN203908117U (en) | 2014-04-24 | 2014-04-24 | Uniform distribution device, falling film evaporator and water chilling unit |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105276852A (en) * | 2015-11-24 | 2016-01-27 | 珠海格力电器股份有限公司 | Drip and drench device and lithium bromide unit |
| CN107166813A (en) * | 2017-05-31 | 2017-09-15 | 珠海格力电器股份有限公司 | Liquid distributor |
| CN107917638A (en) * | 2017-12-21 | 2018-04-17 | 珠海格力电器股份有限公司 | Flow equalizing plate, oil separator, condenser and flash tank |
| CN108592458A (en) * | 2018-07-10 | 2018-09-28 | 珠海格力电器股份有限公司 | Flow equalizing structure, falling film evaporator and water chilling unit |
| CN112204335A (en) * | 2017-11-17 | 2021-01-08 | 北狄空气应对加拿大公司 | Hybrid operating mode for providing cooling to a thermal load |
| CN112856861A (en) * | 2021-02-02 | 2021-05-28 | 浙江国祥股份有限公司 | Liquid distributor of falling film evaporator and manufacturing method thereof |
| US11375641B2 (en) | 2017-11-17 | 2022-06-28 | Nortek Air Solutions Canada, Inc. | Blended operation mode for providing cooling to a heat load |
| US11619428B2 (en) | 2018-04-06 | 2023-04-04 | Carrier Corporation | Integrated separator and distributor |
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2014
- 2014-04-24 CN CN201420204658.XU patent/CN203908117U/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105276852A (en) * | 2015-11-24 | 2016-01-27 | 珠海格力电器股份有限公司 | Drip and drench device and lithium bromide unit |
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| CN108592458B (en) * | 2018-07-10 | 2019-10-18 | 珠海格力电器股份有限公司 | Flow equalizing structure, falling film evaporator and water chilling unit |
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