CN103148626A - Ultrahigh-rate liquid supply falling-film evaporative water chilling system - Google Patents
Ultrahigh-rate liquid supply falling-film evaporative water chilling system Download PDFInfo
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- CN103148626A CN103148626A CN2013101193331A CN201310119333A CN103148626A CN 103148626 A CN103148626 A CN 103148626A CN 2013101193331 A CN2013101193331 A CN 2013101193331A CN 201310119333 A CN201310119333 A CN 201310119333A CN 103148626 A CN103148626 A CN 103148626A
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Abstract
The invention discloses an ultrahigh-rate liquid supply falling-film evaporative water chilling system and provides a system which can use a solution pump to realize ultrahigh-rate liquid supply and can provide low-temperature cold water. The exhaust port of a refrigeration compressor is connected with the inlet of a condenser, the outlet of the condenser is connected with the gas-liquid inlet of a falling-film evaporator through a throttling device, the gas outlet of the falling-film evaporator is connected with the suction port of the refrigeration compressor, the liquid outlet of the falling-film evaporator is connected with the inlet of the solution pump, the liquid outlet of the solution pump is connected with a liquid distribution pipeline inlet in the upper part of the falling-film evaporator, liquid is supplied to a liquid distributor in the falling-film evaporator through a liquid distribution pipeline, and ultrahigh-rate liquid supply circulation is realized by using the solution pump. A water chilling unit provided by the invention realizes the ultrahigh-rate liquid supply circulation through the effect of the solution pump, the heat exchange capacity between refrigerant liquid and a heat exchange pipeline is increased, the heat exchange efficiency is improved, the magnitude of the heat exchange capacity of the system is convenient to control, the cold water outlet temperature can reach approximate 2DEG C, and the ultrahigh-rate liquid supply falling-film evaporative water chilling system can be widely used for air conditioning systems which need low-temperature cold water.
Description
Technical field
The present invention relates to refrigeration technology field, particularly relate to a kind of falling-film evaporating chilled water system that utilizes solution pump to realize super times feed flow.
Background technology
In the running of air-conditioning, usually adopt handpiece Water Chilling Units to provide required cold water for air-conditioning system.
At present, adopt in the handpiece Water Chilling Units of shell and tube evaporator as evaporimeter, evaporimeter adopts dry evaporator, flooded evaporator and downward film evaporator more, and the temperature of the cold water of exporting is more than 5 ℃.Wherein the downward film evaporator heat exchange efficiency is higher.
In the present handpiece Water Chilling Units with downward film evaporator, feed liquid way is directly to spray the pipe outer wall of shell and tube evaporator by the gas-liquid two-phase cold-producing medium after throttling.Because two cold-producing mediums of the gas-liquid after throttling directly spray the pipe outer wall, the cold water leaving water temperature relies on the liquid supply rate of cold-producing medium and cold water flow to control fully, and cold water goes out evaporator temperature generally more than 5 ℃, can not satisfy the water supply needs of lower temperature cold water, and heat exchange efficiency has much room for improvement.
Summary of the invention
The objective of the invention is for the deficiencies in the prior art, and provide a kind of solution pump that utilizes to realize super times feed flow, the falling-film evaporating chilled water system of low-temperature cold water can be provided.
For realizing that the technical scheme that purpose of the present invention adopts is:
a kind of super times feed flow falling-film evaporating chilled water system, it is characterized in that, comprise refrigeration compressor, falling film evaporator, condenser, throttling arrangement and solution pump, the exhaust outlet of described refrigeration compressor is connected with the import of described condenser, the outlet of described condenser is connected with the gas-liquid import of described falling film evaporator by described throttling arrangement, the gas vent of described falling film evaporator is connected with the air entry of described refrigeration compressor, the liquid outlet of described falling film evaporator is connected with the import of described solution pump, the liquid outlet of described solution pump is connected with the liquid distributor road import on described falling film evaporator top, by the liquid distributor feed flow in described liquid distributor road direction falling film evaporator, utilize solution pump to realize super times of feed flow circulation.
Described throttling arrangement is any in expansion valve, capillary, throttle orifice plate apparatus.
Described condenser is air-cooled condenser or water-cooled condenser.
Compared with prior art, the invention has the beneficial effects as follows:
1, handpiece Water Chilling Units of the present invention by the effect of solution pump, can realize super times of feed flow circulation, thereby has increased the heat exchange amount of refrigerant liquid and heat exchanging pipe, has improved heat exchange efficiency, is conducive to reduce energy consumption.
2, in handpiece Water Chilling Units of the present invention, owing to adopting solution pump to carry out the refrigerant liquid circulation, system's heat exchange amount size is convenient to control, the cold water temperature that provides than the handpiece Water Chilling Units that does not adopt solution pump is lower, the cold water leaving water temperature can reach 2 ℃ of left and right, needing can be widely used in the air-conditioning system of low-temperature cold water.
Description of drawings
Figure 1 shows that the present invention surpasses times feed flow falling-film evaporating chilled water system schematic diagram.
In figure: 1. refrigeration compressor, 2. falling film evaporator, 3. condenser, 4. throttling arrangement, 5. solution pump, 6. liquid distributor road, 7. liquid distributor.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Figure 1 shows that the present invention surpasses times feed flow falling-film evaporating chilled water system schematic diagram, comprise refrigeration compressor 1, falling film evaporator 2, condenser 3, throttling arrangement 4 and solution pump 5, the exhaust outlet of described refrigeration compressor 1 is connected with the import of described condenser 3, the outlet of described condenser 3 is connected with the gas-liquid import of described falling film evaporator 2 by described throttling arrangement 4, the gas vent of described falling film evaporator 2 is connected with the air entry of described refrigeration compressor 1, the liquid outlet of described falling film evaporator 2 is connected with the import of described solution pump 5, the liquid outlet of described solution pump 5 is connected with liquid distributor road 6 imports on described falling film evaporator top, liquid distributor 7 feed flows by described liquid distributor road 6 in the falling film evaporator, utilize solution pump 5 to realize super times of feed flow circulation.
Wherein, described throttling arrangement is any in expansion valve, capillary, throttle orifice plate apparatus, can be also other throttling arrangements.
Described condenser is air-cooled condenser or water-cooled condenser, can be also other forms of condenser.
Described refrigeration compressor can be the form that many refrigeration compressors 1 are parallel with one another.
when system moves, the low-pressure refrigerant vapor of getting back to described refrigeration compressor 1 from described falling film evaporator 2 cylindrical shell tops is condensed into high pressure refrigerant liquid described condenser 3 after described refrigeration compressor 1 compression, be that the low-pressure gas-liquid two-phase fluid is laggard in described falling film evaporator 2 cylindrical shells through described throttling arrangement 4 throttlings, wherein low-pressure refrigerant gas is got back to described refrigeration compressor 1 from described falling film evaporator 2 cylindrical shell tops, low pressure liquid refrigerant at described falling film evaporator 2 cylinder body bottoms passes through described solution pump 5, liquid distributor road 6 is promoted to described falling film evaporator 2 cylindrical shell tops, liquid distributor 7 through described falling film evaporator 2 cylindrical shell tops evenly drops to described falling film evaporator 2 transverse tube outer walls and forms films, and evaporation absorbs the heat of transverse tube water flow inside, the refrigerant vapour that is evaporated is got back to described refrigeration compressor 1 from described falling film evaporator 2 cylindrical shell tops and is completed circulation.Due to the effect of described solution pump 5, the refrigerant liquid scale of construction of the described falling film evaporator 2 transverse tube outer walls of flowing through forms super times of feed flow circulation far away higher than the refrigerant liquid scale of construction without solution pump.
Handpiece Water Chilling Units of the present invention realizes super times of feed flow circulation by the effect of solution pump, has increased the heat exchange amount of refrigerant liquid and heat exchanging pipe, has improved heat exchange efficiency.And system's heat exchange amount size is convenient to control, and the cold water leaving water temperature can reach 2 ℃ of left and right, needing can be widely used in the air-conditioning system of low-temperature cold water.
The above is only the preferred embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (3)
1. one kind surpasses times feed flow falling-film evaporating chilled water system, it is characterized in that, comprise refrigeration compressor, falling film evaporator, condenser, throttling arrangement and solution pump, the exhaust outlet of described refrigeration compressor is connected with the import of described condenser, the outlet of described condenser is connected with the gas-liquid import of described falling film evaporator by described throttling arrangement, the gas vent of described falling film evaporator is connected with the air entry of described refrigeration compressor, the liquid outlet of described falling film evaporator is connected with the import of described solution pump, the liquid outlet of described solution pump is connected with the liquid distributor road import on described falling film evaporator top, by the liquid distributor feed flow in described liquid distributor road direction falling film evaporator, utilize solution pump to realize super times of feed flow circulation.
2. super times feed flow falling-film evaporating chilled water system according to claim 1, is characterized in that, described throttling arrangement is any in expansion valve, capillary, throttle orifice plate apparatus.
3. super times feed flow falling-film evaporating chilled water system according to claim 1, is characterized in that, described condenser is air-cooled condenser or water-cooled condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101193331A CN103148626A (en) | 2013-04-08 | 2013-04-08 | Ultrahigh-rate liquid supply falling-film evaporative water chilling system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101193331A CN103148626A (en) | 2013-04-08 | 2013-04-08 | Ultrahigh-rate liquid supply falling-film evaporative water chilling system |
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| CN103148626A true CN103148626A (en) | 2013-06-12 |
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| CN2013101193331A Pending CN103148626A (en) | 2013-04-08 | 2013-04-08 | Ultrahigh-rate liquid supply falling-film evaporative water chilling system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968622A (en) * | 2014-05-22 | 2014-08-06 | 天津商业大学 | High-concentrated feed liquid falling film evaporation refrigeration system |
| CN108722118A (en) * | 2018-05-28 | 2018-11-02 | 中石化（洛阳）科技有限公司 | A kind of low energy consumption desulfurizer regeneration method and sulfur method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1184923A (en) * | 1996-11-19 | 1998-06-17 | 运载器有限公司 | Chiller with hybrid falling film evaporator |
| US6868695B1 (en) * | 2004-04-13 | 2005-03-22 | American Standard International Inc. | Flow distributor and baffle system for a falling film evaporator |
| CN101052854A (en) * | 2004-10-13 | 2007-10-10 | 约克国际公司 | Falling film evaporator |
| CN101191683A (en) * | 2006-11-30 | 2008-06-04 | 上海海事大学 | Jet flow circulated sprinkling falling-film evaporator |
| CN102853575A (en) * | 2012-08-22 | 2013-01-02 | 南京五洲制冷集团有限公司 | Air source falling film water chiller-heater unit |
| CN203216142U (en) * | 2013-04-08 | 2013-09-25 | 天津商业大学 | Multi-fold liquid supply falling film evaporative water chilling system |
-
2013
- 2013-04-08 CN CN2013101193331A patent/CN103148626A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1184923A (en) * | 1996-11-19 | 1998-06-17 | 运载器有限公司 | Chiller with hybrid falling film evaporator |
| US6868695B1 (en) * | 2004-04-13 | 2005-03-22 | American Standard International Inc. | Flow distributor and baffle system for a falling film evaporator |
| CN101052854A (en) * | 2004-10-13 | 2007-10-10 | 约克国际公司 | Falling film evaporator |
| CN101191683A (en) * | 2006-11-30 | 2008-06-04 | 上海海事大学 | Jet flow circulated sprinkling falling-film evaporator |
| CN102853575A (en) * | 2012-08-22 | 2013-01-02 | 南京五洲制冷集团有限公司 | Air source falling film water chiller-heater unit |
| CN203216142U (en) * | 2013-04-08 | 2013-09-25 | 天津商业大学 | Multi-fold liquid supply falling film evaporative water chilling system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968622A (en) * | 2014-05-22 | 2014-08-06 | 天津商业大学 | High-concentrated feed liquid falling film evaporation refrigeration system |
| CN108722118A (en) * | 2018-05-28 | 2018-11-02 | 中石化（洛阳）科技有限公司 | A kind of low energy consumption desulfurizer regeneration method and sulfur method |
| CN108722118B (en) * | 2018-05-28 | 2020-08-04 | 中石化（洛阳）科技有限公司 | Low-energy-consumption desulfurizer regeneration method and desulfurization method |
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Application publication date: 20130612 |