CN201903209U - Parallel double-system water chiller - Google Patents
Parallel double-system water chiller Download PDFInfo
- Publication number
- CN201903209U CN201903209U CN2010206193293U CN201020619329U CN201903209U CN 201903209 U CN201903209 U CN 201903209U CN 2010206193293 U CN2010206193293 U CN 2010206193293U CN 201020619329 U CN201020619329 U CN 201020619329U CN 201903209 U CN201903209 U CN 201903209U
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- China
- Prior art keywords
- compressor
- water machine
- parallel
- dual system
- gas collection
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- 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
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 3
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 230000009977 dual effect Effects 0.000 claims description 15
- 239000000498 cooling water Substances 0.000 claims description 14
- 230000004888 barrier function Effects 0.000 claims description 6
- 230000007774 longterm Effects 0.000 abstract description 3
- 239000003507 refrigerant Substances 0.000 description 8
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000003434 inspiratory effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003134 recirculating effect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
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Abstract
The utility model discloses a parallel double-system water chiller, which comprises a first compressor, a second compressor, an oil separator, a condenser, a flooded evaporator and a throttling element, wherein exhaust ports of the two compressors are respectively communicated with inlets of the oil separator, oil outlets of the oil separator are respectively communicated with air suction ports of the two compressors, an air outlet of the oil separator is communicated with the condenser, and the throttling element is arranged between the condenser and the flooded evaporator; the full-liquid evaporator comprises a compressor, and is characterized by further comprising a gas collecting bag, wherein a buffer cavity is arranged in the gas collecting bag, an inlet and two outlets are arranged on the gas collecting bag, an exhaust port of the full-liquid evaporator is communicated with the buffer cavity through the inlet, and the buffer cavity is respectively communicated with two air suction ports of the compressor through the two outlets. The utility model discloses can avoid the unbalanced problem of oil return volume to guarantee the long-term steady operation of unit.
Description
Technical field
The utility model relates to a kind of dual system cooling-water machine in parallel.
Background technology
The dual system in parallel of conventional full-liquid type screw rod machine as shown in Figure 1, first compressor 1 is communicated with two exhaust outlets of flooded evaporator 5 respectively with the air entry of second compressor 2, when work, first compressor 1 and second compressor 2 adopt air entry separately air-breathing respectively respectively, because the refrigerant heat exchange at two air entry places is not uniform, must cause pressure of inspiration(Pi), the temperature of two compressors, the difference of band liquid degree, but refrigerant is being identical through oil eliminator 3 mixed pressure.The oil return mode of screw-type water chiller is to adopt the pressure reduction fuel feeding, the fuel feeding pressure reduction difference of two compressors certainly will be caused like this, after the long-time running, the big big difference of recirculating oil quantity of two compressors certainly will be caused, cause system's energy imbalance, unit can not steady in a long-term be moved.
Summary of the invention
The purpose of this utility model is to overcome the defective of prior art, and a kind of dual system cooling-water machine in parallel is provided, and the utility model can be avoided the unbalanced problem of recirculating oil quantity, to guarantee unit operation steady in a long-term.
Its technical scheme is as follows.
A kind of dual system cooling-water machine in parallel, comprise first compressor, second compressor, oil eliminator, condenser, flooded evaporator and restricting element, the exhaust outlet of two compressors is communicated with the inlet of oil eliminator respectively, the oil-out of oil eliminator is communicated with the air entry of two compressors respectively, the gas outlet of oil eliminator is communicated with condenser, and restricting element is located between condenser and the flooded evaporator; Also include the gas collection bag, be provided with cushion chamber in the gas collection bag, gas collection is wrapped and is provided with inlet and two outlets, and the exhaust outlet of flooded evaporator communicates with cushion chamber by inlet, and cushion chamber communicates with two air entries of compressor respectively by two outlets.
The technical scheme of the further refinement of aforementioned techniques scheme can be.
Described gas collection bag is installed on the described flooded evaporator.
Between described cushion chamber and described outlet, be provided with flow deflector.
Described gas collection bag is cylindrical barrel, and an end of cylindrical barrel is described inlet, and the sidewall of cylindrical barrel is welded with two relative side pipes, and the end of two side pipes is described outlet; Described flow deflector is two, and two flow deflectors are along the axis symmetry of described cylindrical barrel.
One end of described flow deflector is towards described outlet, and the other end extends and depart from the axis of described cylindrical barrel to described Way in.
Between the exhaust outlet of described flow deflector and described flooded evaporator, be provided with liquid barrier.
In sum, the utility model has the advantages that.
1, refrigerant is after the exhaust outlet of flooded evaporator is discharged, enter in the cushion chamber of gas collection bag and cushion, the flow velocity of refrigerant is reduced, and reduction inspiratory resistance, refrigerant enters the air entry of two compressors more respectively, avoid the compression of two compressor air suction mouth places not wait and cause energy imbalance, make two even oil returns of compressor.
2, in the gas collection bag flow deflector is housed, has reduced the gaseous coolant flow losses, improved unit performance.
3, the gas collection bag can be processed low cost of manufacture by the pipe of three different tube diameters.
4, liquid barrier can block drop, has reduced the band liquid phenomenon of unit.
Description of drawings
Fig. 1 is in the prior art, the structure chart of dual system cooling-water machine in parallel.
Fig. 2 is the structure chart of the described dual system cooling-water machine in parallel of the utility model embodiment.
Fig. 3 is the johning knot composition of gas collection bag and flooded evaporator.
Description of reference numerals: 1, first compressor, 2, second compressor, 3, oil eliminator, 4, condenser, 5, flooded evaporator, 6, restricting element, 7, the gas collection bag, 8, inlet, 9, outlet, 10, flow deflector, 11, cylindrical shell, 12, side pipe, 13, liquid barrier, 14, cushion chamber.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.
As Fig. 2, shown in Figure 3, a kind of dual system cooling-water machine in parallel, comprise first compressor 1, second compressor 2, oil eliminator 3, condenser 4, flooded evaporator 5 and restricting element 6, the exhaust outlet of two compressors is communicated with the inlet 8 of oil eliminator 3 respectively, the oil-out of oil eliminator 3 is communicated with the air entry of two compressors respectively, the gas outlet of oil eliminator 3 is communicated with condenser 4, and restricting element 6 is located between condenser 4 and the flooded evaporator 5; Also include gas collection bag 7, be provided with cushion chamber 14 in the gas collection bag 7, gas collection bag 7 is provided with 8 and two outlets 9 of inlet, and the exhaust outlet of flooded evaporator 58 communicates with cushion chamber 14 by entering the mouth, and cushion chamber 14 exports 9 by two and communicates with two air entries of compressor respectively.
Wherein, gas collection bag 7 is installed on the flooded evaporator 5, between cushion chamber 14 and outlet 9, be provided with flow deflector 10, described gas collection bag 7 is cylindrical barrel 11, one end of cylindrical barrel 11 is described inlet 8, the end that the sidewall of cylindrical barrel 11 is welded with 12, two side pipes 12 of two relative side pipes is described outlet 9; Described flow deflector 10 is two, and two flow deflectors 10 are along the axis symmetry of cylindrical barrel 11.One end of flow deflector 10 is towards outlet 9, and the other end extends the also axis of stray circle cylindrical barrel body 11 to inlet 8 directions.Between the exhaust outlet of flow deflector 10 and flooded evaporator 5, be provided with liquid barrier 13.
Present embodiment has following advantage.
1, refrigerant is after the exhaust outlet of flooded evaporator 5 is discharged, enter in the cushion chamber 14 of gas collection bag 7 and cushion, the flow velocity of refrigerant is reduced, and reduction inspiratory resistance, refrigerant enters the air entry of two compressors more respectively, avoid the compression of two compressor air suction mouth places not wait and cause energy imbalance, make two even oil returns of compressor.
2, in the gas collection bag 7 flow deflector 10 is housed, has reduced the gaseous coolant flow losses, improved unit performance.
3, gas collection bag 7 can be processed low cost of manufacture by the pipe of three different tube diameters.
4, liquid barrier 13 can block drop, has reduced the band liquid phenomenon of unit.
Only be specific embodiment of the utility model below, do not limit protection domain of the present utility model with this; Any replacement and the improvement done on the basis of not violating the utility model design all belong to protection domain of the present utility model.
Claims (7)
1. dual system cooling-water machine in parallel, comprise first compressor, second compressor, oil eliminator, condenser, flooded evaporator and restricting element, the exhaust outlet of two compressors is communicated with the inlet of oil eliminator respectively, the oil-out of oil eliminator is communicated with the air entry of two compressors respectively, the gas outlet of oil eliminator is communicated with condenser, and restricting element is located between condenser and the flooded evaporator; It is characterized in that, also include the gas collection bag, be provided with cushion chamber in the gas collection bag, gas collection is wrapped and is provided with inlet and two outlets, the exhaust outlet of flooded evaporator communicates with cushion chamber by inlet, and cushion chamber communicates with two air entries of compressor respectively by two outlets.
2. dual system cooling-water machine in parallel according to claim 1 is characterized in that described gas collection bag is installed on the described flooded evaporator.
3. dual system cooling-water machine in parallel according to claim 1 is characterized in that, is provided with flow deflector between described cushion chamber and described outlet.
4. as dual system cooling-water machine in parallel as described in the claim 3, it is characterized in that described gas collection bag is cylindrical barrel, one end of cylindrical barrel is described inlet, the sidewall of cylindrical barrel is welded with two relative side pipes, and the end of two side pipes is described outlet, and described flow deflector is two.
5. as dual system cooling-water machine in parallel as described in the claim 4, it is characterized in that two described flow deflectors are along the axis symmetry of described cylindrical barrel.
6. as dual system cooling-water machine in parallel as described in the claim 4, it is characterized in that an end of described flow deflector is towards described outlet, the other end extends and departs from the axis of described cylindrical barrel to described Way in.
7. as dual system cooling-water machine in parallel as described in the claim 4, it is characterized in that, between the exhaust outlet of described flow deflector and described flooded evaporator, be provided with liquid barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206193293U CN201903209U (en) | 2010-11-23 | 2010-11-23 | Parallel double-system water chiller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206193293U CN201903209U (en) | 2010-11-23 | 2010-11-23 | Parallel double-system water chiller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201903209U true CN201903209U (en) | 2011-07-20 |
Family
ID=44273801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206193293U Expired - Lifetime CN201903209U (en) | 2010-11-23 | 2010-11-23 | Parallel double-system water chiller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201903209U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466082A (en) * | 2014-08-21 | 2016-04-06 | 浙江盾安机电科技有限公司 | Oil balancing device for compressor in parallel operation |
| CN107327995A (en) * | 2017-07-17 | 2017-11-07 | 青岛海尔空调电子有限公司 | The gas collecting apparatus and air-conditioning system of central air-conditioning |
| CN108507210A (en) * | 2017-09-25 | 2018-09-07 | 约克（无锡）空调冷冻设备有限公司 | Double-compressor cold water heat pump unit |
| CN113273541A (en) * | 2021-07-21 | 2021-08-20 | 烟台市海洋经济研究院(烟台市渔业技术推广站、烟台市海洋捕捞增殖管理站) | Refrigeration equipment for sea cucumber seedling culture |
-
2010
- 2010-11-23 CN CN2010206193293U patent/CN201903209U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466082A (en) * | 2014-08-21 | 2016-04-06 | 浙江盾安机电科技有限公司 | Oil balancing device for compressor in parallel operation |
| CN105466082B (en) * | 2014-08-21 | 2019-09-20 | 浙江盾安机电科技有限公司 | A kind of parallel connection compressor oil balancing unit |
| CN107327995A (en) * | 2017-07-17 | 2017-11-07 | 青岛海尔空调电子有限公司 | The gas collecting apparatus and air-conditioning system of central air-conditioning |
| CN108507210A (en) * | 2017-09-25 | 2018-09-07 | 约克（无锡）空调冷冻设备有限公司 | Double-compressor cold water heat pump unit |
| CN113273541A (en) * | 2021-07-21 | 2021-08-20 | 烟台市海洋经济研究院(烟台市渔业技术推广站、烟台市海洋捕捞增殖管理站) | Refrigeration equipment for sea cucumber seedling culture |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110720 |