CN203550303U - Refrigerant distributor for vapor compression refrigerating unit falling film evaporator - Google Patents
Refrigerant distributor for vapor compression refrigerating unit falling film evaporator Download PDFInfo
- Publication number
- CN203550303U CN203550303U CN201320419607.4U CN201320419607U CN203550303U CN 203550303 U CN203550303 U CN 203550303U CN 201320419607 U CN201320419607 U CN 201320419607U CN 203550303 U CN203550303 U CN 203550303U
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- China
- Prior art keywords
- perforated distributor
- distribution
- plate
- refrigerant
- film evaporator
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- Expired - Lifetime
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- 239000003507 refrigerant Substances 0.000 title claims abstract description 30
- 239000011552 falling film Substances 0.000 title claims abstract description 16
- 238000007906 compression Methods 0.000 title claims abstract description 13
- 230000006835 compression Effects 0.000 title abstract 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Details Of Heat-Exchange And Heat-Transfer (AREA)
Abstract
The utility model discloses a refrigerant distributor for a vapor compression refrigerating unit falling film evaporator. The refrigerant distributor comprises an upper shield plate, a refrigerant inlet pipe, a lower perforated plate and a first porous distributing plate, the lower perforated plate is connected with the upper shield plate and provided with lower distributing holes, the first porous distributing plate is connected with the upper shield plate, the first porous distributing plate and the upper shield plate form a first refrigerant distributing cavity, and refrigerants flowing out of the refrigerant inlet pipe enter the first refrigerant distributing cavity, flow out of side through holes in two sides of the first refrigerant distributing cavity and then flow out through a second porous distributing plate, a third porous distributing plate and the lower perforated plate. The refrigerant distributor is simple in structure, the refrigerants can be uniformly distributed, and the heat exchange efficiency of the falling film evaporator is improved.
Description
Technical field
The utility model relates to refrigeration technology field, relates in particular a kind of vapor-compression chiller falling film evaporator distribution of refrigerant device used.
Background technology
The Chinese invention patent of Granted publication CN 101991967 B, 2013.01.23 day Granted publication day discloses a kind of distributor for plate falling film evaporator, comprise the inlet tube being arranged on evaporator tube, lower end at inlet tube is provided with separator tube, lower end at separator tube is provided with distributing trough, on the bottom of distributing trough, evenly offer some dispensing orifices, in the lower end of described distributing trough, be evenly provided with the some distribution laths mutual corresponding with dispensing orifice.The advantage of this patent of invention is: said structure distributor for plate falling film evaporator can improve dirty piece in liquid, by probability, to be prevented from stopping up, and can guarantee that liquid is uniformly distributed on heat exchange plate, guarantees the operational stability of plate-type down-film evaporator.But its distribution for cold-producing medium is still even not, cause evaporimeter heat exchange efficiency not high enough.
Utility model content
The purpose of this utility model is to provide for the deficiencies in the prior art part, provide a kind of vapor-compression chiller falling film evaporator distribution of refrigerant device used, can overcome the deficiencies in the prior art part, it is simple in structure, cheap, can make cold-producing medium be uniformly distributed, improve the heat exchanger effectiveness of evaporimeter.
In order to solve the problems of the technologies described above, the technical solution of the utility model is as follows: the distribution of refrigerant device that vapor-compression chiller falling film evaporator is used, the first perforated distributor that comprises upper cover plate, refrigerant inlet pipe, is positioned at described upper cover plate below and is connected with described upper cover plate, described the first perforated distributor and described upper cover plate form the first cold-producing medium distribution cavity, the cold-producing medium flowing out from described refrigerant inlet pipe enters described the first cold-producing medium distribution cavity, then flows out from the side through hole of described the first cold-producing medium distribution cavity both sides.
The utility model carries out just sub-distribution by the first cold-producing medium distribution cavity is set to cold-producing medium, from refrigerant inlet pipe cold-producing medium out, be introduced into the first distribution cavity, when cold-producing medium is when the first cold-producing medium distribution cavity is filled into nearly half left and right height, the cold-producing medium overflowing flows out from the side through hole of the first cold-producing medium distribution cavity both sides, by the first sub-distribution of the first cold-producing medium distribution cavity to cold-producing medium, can make cold-producing medium first along liquid distributor, axially be uniformly distributed like this.
As preferably, below described the first perforated distributor, be provided with second perforated distributor with the second distribution hole, and the distance of described the first perforated distributor and the second perforated distributor is 5-20mm.
As preferably, described upper cover plate is fixed with the 3rd perforated distributor that is positioned at described the second perforated distributor below and has the 3rd dispensing orifice, and the distance between described the second perforated distributor and described the 3rd perforated distributor is 10-30mm, described the 3rd perforated distributor below is provided with the lower porous plate with lower dispensing orifice, and the distance between described the 3rd perforated distributor and described lower porous plate is 0.5mm-1.5mm.
As preferably, the 3rd distribution hole of described the 3rd perforated distributor and the lower dispensing orifice quantity of described lower porous plate equates, and interlaced.
As preferably, the 3rd dispensing orifice of the second distribution hole of described the second perforated distributor, described the 3rd perforated distributor and the lower dispensing orifice equal diameters of described lower porous plate, and the quantity of described the second distribution hole is 0.4-0.6 times of described the 3rd dispensing orifice and described lower dispensing orifice.
Above-mentioned setting, be conducive to form a gas-liquid mixture working area with certain altitude on the second distribution plate surface, while with respect to the horizontal plane having certain deviation angle to eliminate the second perforated distributor causing due to a variety of causes to the equally distributed adverse effect of cold-producing medium.
Utility model beneficial effect is:
The distribution of refrigerant device that vapor-compression chiller falling film evaporator of the present utility model is used, it is simple in structure, cheap, can make cold-producing medium be uniformly distributed, and improves the heat exchanger effectiveness of evaporimeter.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is the structural representation of the utility model one embodiment.
In figure: 1-upper cover plate, 2-the first perforated distributor, 3-the first cold-producing medium distribution cavity, 4-refrigerant inlet pipe, 5-the second perforated distributor, 6-the 3rd perforated distributor, porous plate under 7-, 8-self-plugging rivet, 9-end plate.
The specific embodiment
The following stated is only preferred embodiment of the present utility model, not scope of the present utility model is limited.
Embodiment, see accompanying drawing 1, the distribution of refrigerant device that a kind of vapor-compression chiller falling film evaporator is used, comprise upper cover plate 1, refrigerant inlet pipe 4, the first perforated distributor 2 that is positioned at described upper cover plate 1 below and is connected with described upper cover plate 1, described upper cover plate 1 is fixed with the 3rd perforated distributor 6 that is positioned at described the second perforated distributor 5 belows and has the 3rd distribution hole, described the 3rd perforated distributor 6 belows are fixed with the lower porous plate 7 of lower dispensing orifice, described the first perforated distributor 2 and described upper cover plate 1 form the first cold-producing medium distribution cavity 3, the cold-producing medium flowing out from described refrigerant inlet pipe 4 enters described the first cold-producing medium distribution cavity 3, from the side through hole of described the first cold-producing medium distribution cavity 3, flow out again, side through hole is arranged on the left and right sides 2/3 At The Height of the first perforated distributor 2, diameter 4-18mm, wherein take 10mm as good.
Further, we are provided with second perforated distributor 5 with the second distribution hole below described the first perforated distributor 2, from side through hole cold-producing medium out after the second perforated distributor 5, continue to come downwards to the 3rd perforated distributor 6 surfaces with the 3rd distribution hole, below described the 3rd perforated distributor 6, be provided with the lower porous plate 7 with lower dispensing orifice, distance between described the 3rd perforated distributor 6 and described lower porous plate 7 is 0.5-1.5mm, wherein take 0.6mm as good, the 3rd distribution hole of described the 3rd perforated distributor 6 and the lower dispensing orifice quantity of described lower porous plate 7 equate, and interlaced, the diameter of the lower dispensing orifice of lower porous plate 7 and quantity are determined as required.
The 3rd distribution hole equal diameters of the second distribution hole of described the second perforated distributor 5 and described the 3rd perforated distributor 6, and the quantity of described the second distribution hole be described the 3rd distribution hole 0.4-0.6 doubly, wherein, take 0.5 times as good.
More than explanation is only to explanation of the present utility model, make those of ordinary skills' can completely implement this programme, but be not to restriction of the present utility model, those skilled in the art can make to the present embodiment the modification that there is no creative contribution as required after reading this description, and these are all not creative modifications.But as long as within the scope of claim of the present utility model, be all subject to the protection of Patent Law.
Claims (5)
1. vapor-compression chiller falling film evaporator distribution of refrigerant device used, it is characterized in that: comprise upper cover plate (1), refrigerant inlet pipe (4), be positioned at described upper cover plate (1) below and the first perforated distributor (2) being connected with described upper cover plate (1), described the first perforated distributor (2) and described upper cover plate (1) formation the first cold-producing medium distribution cavity (3), the cold-producing medium flowing out from described refrigerant inlet pipe (4) enters described the first cold-producing medium distribution cavity (3), then flows out from the side through hole of described the first cold-producing medium distribution cavity (3) both sides.
2. vapor-compression chiller falling film evaporator according to claim 1 distribution of refrigerant device used, it is characterized in that: described the first perforated distributor (2) below is provided with second perforated distributor (5) with the second distribution hole, and the distance of described the first perforated distributor (2) and the second perforated distributor (5) is 5-20mm.
3. vapor-compression chiller falling film evaporator according to claim 2 distribution of refrigerant device used, it is characterized in that: described upper cover plate (1) is fixed with the 3rd perforated distributor (6) that is positioned at described the second perforated distributor (5) below and has the 3rd dispensing orifice, and the distance between described the second perforated distributor (5) and described the 3rd perforated distributor (6) is 10-30mm, described the 3rd perforated distributor (6) below is provided with the lower porous plate (7) with lower dispensing orifice, distance between described the 3rd perforated distributor (5) and described lower porous plate (7) is 0.5mm-1.5mm.
4. vapor-compression chiller falling film evaporator according to claim 3 distribution of refrigerant device used, it is characterized in that: the 3rd distribution hole of described the 3rd perforated distributor (6) and the lower dispensing orifice quantity of described lower porous plate (7) are equal, and interlaced.
5. vapor-compression chiller falling film evaporator according to claim 4 distribution of refrigerant device used, it is characterized in that: the second distribution hole of described the second perforated distributor (5), the 3rd dispensing orifice of described the 3rd distribution plate (6) and the lower dispensing orifice equal diameters of described lower porous plate (7), and the quantity of described the second distribution hole is 0.4-0.6 times of described the 3rd dispensing orifice and described lower dispensing orifice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320419607.4U CN203550303U (en) | 2013-07-16 | 2013-07-16 | Refrigerant distributor for vapor compression refrigerating unit falling film evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320419607.4U CN203550303U (en) | 2013-07-16 | 2013-07-16 | Refrigerant distributor for vapor compression refrigerating unit falling film evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203550303U true CN203550303U (en) | 2014-04-16 |
Family
ID=50468412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320419607.4U Expired - Lifetime CN203550303U (en) | 2013-07-16 | 2013-07-16 | Refrigerant distributor for vapor compression refrigerating unit falling film evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203550303U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106369888A (en) * | 2016-11-14 | 2017-02-01 | 格力电器（芜湖）有限公司 | Falling film evaporator and refrigerant gas-liquid separation method of falling film evaporator |
| CN107270591A (en) * | 2017-07-24 | 2017-10-20 | 江苏必领能源科技有限公司 | Falling film evaporator two-phase partitioning device |
| CN108917232A (en) * | 2018-08-03 | 2018-11-30 | 珠海格力电器股份有限公司 | Liquid distributor, heat exchanger and air conditioning unit |
| CN112728970A (en) * | 2021-02-22 | 2021-04-30 | 江苏世林博尔制冷设备有限公司 | High-efficiency combined distributor structure for refrigerating system heat exchanger |
-
2013
- 2013-07-16 CN CN201320419607.4U patent/CN203550303U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106369888A (en) * | 2016-11-14 | 2017-02-01 | 格力电器（芜湖）有限公司 | Falling film evaporator and refrigerant gas-liquid separation method of falling film evaporator |
| CN107270591A (en) * | 2017-07-24 | 2017-10-20 | 江苏必领能源科技有限公司 | Falling film evaporator two-phase partitioning device |
| CN108917232A (en) * | 2018-08-03 | 2018-11-30 | 珠海格力电器股份有限公司 | Liquid distributor, heat exchanger and air conditioning unit |
| WO2020024513A1 (en) * | 2018-08-03 | 2020-02-06 | 珠海格力电器股份有限公司 | Liquid arrangement device, heat exchanger and air conditioning unit |
| CN112728970A (en) * | 2021-02-22 | 2021-04-30 | 江苏世林博尔制冷设备有限公司 | High-efficiency combined distributor structure for refrigerating system heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |
|
| CX01 | Expiry of patent term |