CN103175325A - Hydraulic-filling-type water chilling unit - Google Patents
Hydraulic-filling-type water chilling unit Download PDFInfo
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- CN103175325A CN103175325A CN2013100969379A CN201310096937A CN103175325A CN 103175325 A CN103175325 A CN 103175325A CN 2013100969379 A CN2013100969379 A CN 2013100969379A CN 201310096937 A CN201310096937 A CN 201310096937A CN 103175325 A CN103175325 A CN 103175325A
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Abstract
The invention discloses a hydraulic-filling-type water chilling unit which comprises a gas compressor, a condenser and a heat exchanger, wherein the condenser is communicated with the gas outlet end of the gas compressor, the heat exchanger is communicated with a discharge port of the condenser and the gas inlet end of the gas compressor, a cooling water inlet and outlet is arranged at the end part of the condenser, and a water outlet of the bottom of the heat exchanger is communicated with a water pump. The middle part where the discharge port of the condenser and the gas inlet end of the gas compressor are respectively communicated with the heat exchanger is communicated with a gas-liquid separation device. The discharge port of the condenser, the gas inlet end of the gas compressor, a liquid inlet of the heat exchanger, and a gas outlet of the heat exchanger are respectively communicated with the gas-liquid separation device in a butt-joint mode. A throttling device is arranged between the discharge port of the condenser and the gas-liquid separation device. The hydraulic-filling-type water chilling unit has the advantages of being large in refrigerating capacity, good in refrigerating effect, good in oil return effect, cost-saving, convenient to operate, and convenient to maintain due to the fact the system cannot be easily blocked.
Description
Technical field
The present invention relates to a kind of refrigeration plant, especially a kind of full-liquid type handpiece Water Chilling Units.
Background technology
Traditional full-liquid type handpiece Water Chilling Units due to can not effectively solve all the time the compressor oil return, manufacturing cost is high and technique is all complicated, caused like this: 1. traditional full-liquid type handpiece Water Chilling Units only has the Large Central Air Conditioning System unit in China, can not use on small unit; 2. in traditional flooded-type water chilling unit system, the evaporimeter inner refrigerant is walked shell side, chilled water is walked tube side, caused like this system's coolant injection amount excessive, pollute the environment if there is leaking refrigerant, cause the impact of air breakup, if perhaps shell side water inlet, compressor air suction causes compressor damage after sucking moisture content; 3. traditional full-liquid type adds oil eliminator in the middle of exhaust outlet of compressor and condenser, cause in long-term the use so because of oil eliminator separating oil fully, cause to lodge in for a long time in the evaporimeter shell side, when causing oil return not anxious, so compressor causes damaging or burning out because of oil less; 4. for solving the compressor oil return, so a lot of units use jet pump, solenoid control, but high and in the process aspect more complicated due to the jet pump cost compare, so cause because of tie point many, cause the trouble point many, give rear manufacturing and cause in transit leakage, bringing serious economic loss to manufacturer.Therefore, need to make improvements.
Summary of the invention
In order to solve the above problems, to the object of the present invention is to provide that a kind of refrigerating capacity is large, refrigeration is better, oil return is effective and save that cost, handled easily, system are difficult for stopping up, the full-liquid type handpiece Water Chilling Units of more convenient maintenance.
the present invention solves the technical scheme that its problem adopts: a kind of full-liquid type handpiece Water Chilling Units, comprise gas compressor, the condenser that is connected with the gas compressor outlet side, the heat exchanger that is connected with the inlet end of the outlet of condenser and gas compressor, the end of condenser is provided with cooling water outlet and inlet, the bottom delivery port of heat exchanger is connected with a water pump, the centre that is connected with heat exchanger respectively at the inlet end of the outlet of condenser and gas compressor also is communicated with a vapor-liquid separating device, described vapor-liquid separating device respectively with the outlet of condenser, the inlet end of gas compressor, the inlet of heat exchanger, the gas outlet connection that connects, be provided with a throttling arrangement between the outlet of condenser and vapor-liquid separating device.
The inlet of described heat exchanger is connected with the bottom of vapor-liquid separating device, inlet stretches out the predetermined height in bottom surface of vapor-liquid separating device, the top of vapor-liquid separating device is provided with baffle plate one, the baffle plate two that staggers relatively in the left and right, the gas outlet of heat exchanger is connected with the lower position that the top of vapor-liquid separating device is positioned at baffle plate two, the inlet end of gas compressor is connected with the top of vapor-liquid separating device by air entry, and the outlet of condenser is connected with the bottom of vapor-liquid separating device.
Technique scheme can have following improvement project.
The bottom of described vapor-liquid separating device is provided with liquid level mirror.
The bottom of described vapor-liquid separating device is provided with magnet.
Described throttling arrangement is the hand valve.
Be provided with device for drying and filtering between the outlet of described condenser and throttling arrangement.
Be provided with pressure controller between described gas compressor outlet side and inlet end.
The invention has the beneficial effects as follows: 1. full-liquid type small unit of the present invention adopts the refrigerant self gravitation, forming liquid refrigerant walks in evaporator tube to flow, all be immersed in and make the interior refrigerant of evaporimeter in water tank effectively and the load heat-shift, let cool to reach the refrigerant heat absorption a kind of states of matter conversion that is converted to steam state by liquid state, reach the purpose of refrigeration; 2. full-liquid type unit of the present invention can be widely used in the small-sized refrigerating unit, and refrigerating capacity is large, and refrigeration is better; 3. examining filter to thoroughly solving the oil return problem, except adding oil eliminator in the middle of exhaust outlet of compressor and condenser, need not jet pump, bottom design at vapor-liquid separating device is answered back, it is the inlet of heat exchanger, reach the purpose of oil return by the air-breathing suction force of compressor itself, save like this cost, handled easily; 4. in the bottom of vapor-liquid separating device, magnet is set, to filter the metal impurities in system, like this with regard to the problem of effective solution system jams; 5. the upper design at vapor-liquid separating device has baffle plate, makes effective prevention liquid refrigerants enter the compressor air suction mouth, effectively prevents the compressor liquid hammer, has protected compressor.Structure of the present invention is simplified, and is reasonable in design, facilitates maintenance.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is handpiece Water Chilling Units circulatory system overall structure schematic diagram of the present invention.
Fig. 2 is the structure enlarged diagram of vapor-liquid separating device of the present invention.
The specific embodiment
with reference to Fig. 1, Fig. 2, a kind of full-liquid type handpiece Water Chilling Units of the present invention, comprise gas compressor 1, the condenser 2 that is connected with gas compressor 1 outlet side 11, the heat exchanger 3 that is connected with the inlet end 12 of the outlet 22 of condenser 2 and gas compressor 1, the end of condenser 2 is provided with cooling water outlet and inlet 21, the bottom delivery port 31 of heat exchanger 3 is connected with a water pump 4, the centre that is connected with heat exchanger 3 respectively at the inlet end 12 of the outlet 22 of condenser 2 and gas compressor 1 also is communicated with a vapor-liquid separating device 5, described vapor-liquid separating device 5 respectively with the outlet 22 of condenser 2, the inlet end 12 of gas compressor 1, the inlet 32 of heat exchanger 3, gas outlet 33 connection that connects, be provided with a throttling arrangement 6 between the outlet 22 of condenser 2 and vapor-liquid separating device 5.
The inlet 32 of described heat exchanger 3 is connected with the bottom of vapor-liquid separating device 5, inlet 32 stretches out the predetermined height in bottom surface of vapor-liquid separating device 5, the top of vapor-liquid separating device 5 is provided with baffle plate 1, the baffle plate 2 52 that staggers relatively in the left and right, the gas outlet 33 of heat exchanger 3 is connected with the lower position that the top of vapor-liquid separating device 5 is positioned at baffle plate 2 52, the inlet end 12 of gas compressor 1 is connected with the top of vapor-liquid separating device 5 by air entry 13, and the outlet 22 of condenser 2 is connected with the bottom of vapor-liquid separating device 5.
Technique scheme can have following improvement project.The bottom of described vapor-liquid separating device 5 is provided with liquid level mirror 7, is used for observing the liquid level of the liquid refrigerants in monitoring vapor-liquid separating device 5.The bottom of described vapor-liquid separating device 5 is provided with magnet 8, is used for inhaling the metal that the symbol liquid refrigerants mixes, filtration, purification liquid refrigerants.Described throttling arrangement 6 is the hand valve, can regulate flow velocity and the flow of liquid refrigerants.Be provided with device for drying and filtering 9 between the outlet 22 of described condenser 2 and throttling arrangement 6, be used for the dry filter liquid refrigerants.Be provided with pressure controller 10 between described gas compressor 1 outlet side 11 and inlet end 12, be used for controlling the pressure of HTHP steam state refrigerant, safety in production.
operation principle of the present invention is: gas compressor 1 11 is delivered to condenser 2 with HTHP steam state refrigerant through the outlet side, the side of condenser 2 has cooling water outlet and inlet 21, interior through water quench at condenser 2, HTHP steam state refrigerant becomes the cryogenic high pressure liquid refrigerants, discharge through the outlet 22 of condenser 2 afterwards, flow through device for drying and filtering 9 and hand valve 6, enter in vapor-liquid separating device 5, after handling valve 6, the cryogenic high pressure liquid refrigerants becomes the low-temp low-pressure liquid refrigerants and is sunken to the bottom of vapor-liquid separating device 5, the bottom of vapor-liquid separating device 5 can form refrigeration oil, the inlet 32 of heat exchanger 3 stretches out the predetermined height in bottom surface of vapor-liquid separating device 5, namely exceed the height of freezing pasta, liquid refrigerants relies on self gravitation to enter inlet 32 and flows to the lowermost end of heat exchanger 3, enter in the pipe of evaporimeter 34 of heat exchanger 3, be hot water or other load in the water tank 35 of heat exchanger 3, hot water or other load are entered in water tank 35 by water supplement port 36, the top of water supplement port 36 is provided with gap 37, the below of water supplement port 36 is provided with the freezing mouth of a river 38, liquid refrigerants is in the middle of the interior hot water or other load that fully is soaked in water tank 35 of evaporimeter 34, through after heat exchange, the low-temp low-pressure liquid refrigerants becomes middle temperature low pressure steam state refrigerant, gas outlet through heat exchanger 3 enters for 33 times in vapor-liquid separating device 5, and the hot water in water tank 35 or other load temperature after heat exchange reduces, discharge recycling through bottom delivery port 31 and water pump 4 again, the middle temperature low pressure steam state refrigerant that returns vapor-liquid separating device 5 is sucked inlet end 12 through air entry 13 by the suction force of gas compressor 1, complete so whole running cyclic process, Fig. 1, arrow in Fig. 2 represent MEDIA FLOW to.
Certainly, the present invention is not limited to above-mentioned embodiment, as long as it reaches technique effect of the present invention with essentially identical means, all should belong to protection scope of the present invention.
Claims (7)
1. full-liquid type handpiece Water Chilling Units, comprise gas compressor (1), the condenser (2) that is connected with gas compressor (1) outlet side (11), the heat exchanger (3) that is connected with the inlet end (12) of the outlet (22) of condenser (2) and gas compressor (1), the end of condenser (2) is provided with cooling water outlet and inlet (21), the bottom delivery port (31) of heat exchanger (3) is connected with a water pump (4), it is characterized in that: the centre that is connected with heat exchanger (3) respectively at the inlet end (12) of the outlet (22) of condenser (2) and gas compressor (1) also is communicated with a vapor-liquid separating device (5), described vapor-liquid separating device (5) respectively with the outlet (22) of condenser (2), the inlet end (12) of gas compressor (1), the inlet (32) of heat exchanger (3), gas outlet (33) connection that connects, be provided with a throttling arrangement (6) between the outlet (22) of condenser (2) and vapor-liquid separating device (5).
2. a kind of full-liquid type handpiece Water Chilling Units according to claim 1, it is characterized in that: the inlet (32) of described heat exchanger (3) is connected with the bottom of vapor-liquid separating device (5), inlet (32) stretches out the predetermined height in bottom surface of vapor-liquid separating device (5), the top of vapor-liquid separating device (5) is provided with the baffle plate one (51) that staggers relatively in the left and right, baffle plate two (52), the gas outlet (33) of heat exchanger (3) is connected with the lower position that the top of vapor-liquid separating device (5) is positioned at baffle plate two (52), the inlet end (12) of gas compressor (1) is connected with the top of vapor-liquid separating device (5) by air entry (13), the outlet (22) of condenser (2) is connected with the bottom of vapor-liquid separating device (5).
3. a kind of full-liquid type handpiece Water Chilling Units according to claim 1, it is characterized in that: the bottom of described vapor-liquid separating device (5) is provided with liquid level mirror (7).
4. a kind of full-liquid type handpiece Water Chilling Units according to claim 1, it is characterized in that: the bottom of described vapor-liquid separating device (5) is provided with magnet (8).
5. a kind of full-liquid type handpiece Water Chilling Units according to claim 1, it is characterized in that: described throttling arrangement (6) is the hand valve.
6. a kind of full-liquid type handpiece Water Chilling Units according to claim 1, is characterized in that: be provided with device for drying and filtering (9) between the outlet (22) of described condenser (2) and throttling arrangement (6).
7. a kind of full-liquid type handpiece Water Chilling Units according to claim 1, is characterized in that: be provided with pressure controller (10) between described gas compressor (1) outlet side (11) and inlet end (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310096937.9A CN103175325B (en) | 2013-03-26 | 2013-03-26 | A kind of full-liquid type handpiece Water Chilling Units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310096937.9A CN103175325B (en) | 2013-03-26 | 2013-03-26 | A kind of full-liquid type handpiece Water Chilling Units |
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| Publication Number | Publication Date |
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| CN103175325A true CN103175325A (en) | 2013-06-26 |
| CN103175325B CN103175325B (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310096937.9A Expired - Fee Related CN103175325B (en) | 2013-03-26 | 2013-03-26 | A kind of full-liquid type handpiece Water Chilling Units |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949651A (en) * | 2017-04-17 | 2017-07-14 | 肇庆市嘉溢食品机械装备有限公司 | A kind of low temperature full-liquid type refrigeration system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070130989A1 (en) * | 2005-12-13 | 2007-06-14 | Sanden Corporation | Vapor compression refrigerating systems |
| CN201852380U (en) * | 2010-10-28 | 2011-06-01 | 青岛海信日立空调系统有限公司 | Gas-liquid separator for air conditioner |
| CN202024537U (en) * | 2011-02-21 | 2011-11-02 | 大连三洋冷链有限公司 | Gas separation oil return device for supercritical CO2 refrigeration system |
-
2013
- 2013-03-26 CN CN201310096937.9A patent/CN103175325B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070130989A1 (en) * | 2005-12-13 | 2007-06-14 | Sanden Corporation | Vapor compression refrigerating systems |
| CN201852380U (en) * | 2010-10-28 | 2011-06-01 | 青岛海信日立空调系统有限公司 | Gas-liquid separator for air conditioner |
| CN202024537U (en) * | 2011-02-21 | 2011-11-02 | 大连三洋冷链有限公司 | Gas separation oil return device for supercritical CO2 refrigeration system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949651A (en) * | 2017-04-17 | 2017-07-14 | 肇庆市嘉溢食品机械装备有限公司 | A kind of low temperature full-liquid type refrigeration system |
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| CN103175325B (en) | 2015-10-21 |
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Granted publication date: 20151021 Termination date: 20180326 |