CN103292388B - Refrigerating system for engine room - Google Patents
Refrigerating system for engine room Download PDFInfo
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- CN103292388B CN103292388B CN201310227714.1A CN201310227714A CN103292388B CN 103292388 B CN103292388 B CN 103292388B CN 201310227714 A CN201310227714 A CN 201310227714A CN 103292388 B CN103292388 B CN 103292388B
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- cooling
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000001816 cooling Methods 0.000 claims abstract description 30
- 239000000498 cooling water Substances 0.000 claims abstract description 20
- 239000003507 refrigerant Substances 0.000 claims description 31
- 238000005057 refrigeration Methods 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 10
- 239000002826 coolant Substances 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 7
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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- Other Air-Conditioning Systems (AREA)
Abstract
The invention relates to a refrigerating system for an engine room. The refrigerating system for the engine room comprises a cooling compressor set, a cooling water circulation device and a movable air supply device, wherein the cooling water circulation device comprises a water storage tank, a water pump and an expansion water tank which are connected with an evaporator of the cooling compressor set through pipelines. The movable air supply device is movably installed in the engine room and comprises an air supply box, a water cooling coil pipe, a circulating fan and one or more air supply jet devices, wherein the water cooling coil pipe is provided with a water inlet and a water outlet, the water inlet is communicated with the water storage tank through a pipeline, and the water outlet is communicated with a cooling water inlet of the evaporator through a pipeline. The refrigerating system for the engine room effectively resolves the problem that a compressor of a traditional refrigerating system is frequently regulated, stopped and started, avoids energy waste caused by overall cooling of the engine room, saves initial investment costs of equipment, can meet requirements for a wide temperature area of the engine room, and enables the set to operate efficiently at any environment temperature.
Description
Technical field
the present invention relates to a kind of refrigeration system, particularly a kind of refrigeration system of applicable cabin.
Background technology
have accumulated a large amount of heat abstractor in the cabin of boats and ships and platform, in cabin, temperature is throughout the year more than 40 DEG C, and cabin, general navigation channel summer temp can reach 50 DEG C, and course line, torrid areas cabin temperature can reach about 60 DEG C.Owing to there being personnel to need work, work in cabin, need to control the temperature in working region.Existing nacelle cooling system is generally made up of direct-evaporation-type refrigeration system and air channel, sends into air channel be transported to cabin everywhere by refrigeration system after being cooled by high temperature air.
there is following problem in existing nacelle cooling system: 1. cabin load is comparatively large, if lowered the temperature together to unmanned working region, causes cold to waste; 2. realize fixed point air-supply by airduct, comparatively inflexible.Along with the conversion of people working region, there will be the blind spot of air-supply or the waste of air output; 3. the fluorine refrigeration system of direct-expansion type unit formation, the cooling to air is realized by the heat exchange of fluorine and air, because air ratio of specific heat is held less, refrigerant and air side heat exchange, during unit starting, in cabin, temperature declines very fast, when unit stops, in cabin, temperature is risen again rapidly, easily causes the frequent start-stop of compressor, causes damage to compressor; 4. when summer, subtropical environment temperature reached 60 DEG C, cabin indoor temperature can be higher, in order to refrigeration is relatively good, wind pushing temperature needs to maintain about 30 DEG C, such air inlet/outlet temperature difference is very large, and the excessive air side temperature difference can cause the rising of suction temperature, causes excessive discharge temperature, deterioration is caused to kind of refrigeration cycle, loss unit service life.In addition due to boats and ships annual whole world navigation, cause cabin temperature region span comparatively large, the air inlet/outlet Parameters variation of air-conditioner set is increased, refrigeration system evaporator is very difficult from economical and functionally meet the demands simultaneously.
Summary of the invention
technical problem to be solved by this invention overcomes the deficiencies in the prior art, provides a kind of cabin refrigeration system of improvement.
for solving above technical problem, the present invention takes following technical scheme:
a kind of cabin refrigeration system, it comprises cooled compressed unit, cooled compressed unit comprises compressor, condenser, restricting element and evaporimeter, compressor connects condenser by pipeline, condenser is connected evaporimeter by pipeline with restricting element, and described evaporimeter has refrigerant inlet, refrigerant exit, cooling water inlet and coolant outlet, and the refrigerant exit of described evaporimeter is connected by the inlet end of pipeline with described compressor, particularly
described cabin refrigeration system also comprises cooling water circulating device and portable air-supply arrangement, wherein:
cooling water circulating device comprises water pump on the storage tank be connected by pipeline with the coolant outlet of evaporimeter, the pipeline being arranged between the coolant outlet of evaporimeter and storage tank and expansion tank;
portable air-supply arrangement is arranged in cabin movably, cold wind is sprayed for the hot-air that sucks in cabin in cabin, described portable air-supply arrangement comprise air-supply casing, be arranged on air-supply casing in water-cooled coil pipe, be arranged on air-supply casing on circulating fan and one or more air circulation jet device, aqueous cold plate pipe has water inlet and delivery port, and wherein water inlet and storage tank pass through pipeline connection; Delivery port is communicated with the cooling water inlet of evaporimeter by pipeline.
preferably, described cooled compressed unit also comprises the economizer with condensed fluid passage and refrigerant steam channel, wherein, condensed fluid expanding channels is on the pipeline between condenser and evaporimeter, and refrigerant steam channel is connected on the pipeline between evaporimeter and the inlet end of compressor.The setting of economizer, makes the refrigerant through condenser condenses carry out heat exchange with the refrigerant steam returning compressor from evaporimeter, thus can realize that refrigerant liquid is excessively cold, refrigerant steam superheating.
further preferably, described cooled compressed unit also comprises cooling pipe for being connected with the inlet end of compressor by the condensate liquid passage of economizer, be arranged on magnetic valve on this cooling pipe and temperature-responsive expansion valve.When environment temperature is too high, compressor heat load is excessive, and when causing compressor exhaust temperature higher, the refrigerant liquid exported by economizer by cooling pipe separates a part in compressor, carries out Liquid injection cooling to compressor.
preferably, described cooled compressed unit has two groups at least, and described at least two group cooled compressed units are in parallel.Such as when cold night, compressor bank was two groups, automatically identify the using and the reserved by leaving air temp, or two are run simultaneously, thus the wide requirement in cabin temperature region can be met, make unit energy Effec-tive Function under any environment temperature.
preferably, the upstream of described water pump is provided with filter.
according to a concrete aspect, the bottom of described air-supply casing is equipped with movable pulley, and top is equipped with hoisting structure.
preferably, water inlet and the water outlet of described water-cooled coil pipe are provided with snap joint.
preferably, described air circulation jet device is the adjustable air circulation jet device of inlet shape and/or size.
preferably, described portable air-supply arrangement is equipped with Aviation Connector.
described restricting element is specifically as follows expansion valve.
due to the enforcement of above technical scheme, the present invention compared with prior art tool has the following advantages:
1, the present invention adopts refrigerant and water heat exchange, again cooled water is delivered in the packaged type coil pipe with band air circulation jet device, local, cabin is lowered the temperature, because specific heat of water holds much larger than air, and storage tank has retaining cool storage function, effectively alleviate that conventional refrigeration compressor easily frequently can be adjusted, the problem of start and stop;
2, the portable air-supply arrangement of the present invention's design can move to the space of any needs cooling in cabin, thus realize for needing the region of cooling to carry out Wind Volume air-supply cooling, guarantee meets local cooling's requirement, avoid and use cabin overall to lower the temperature the energy waste caused, also save the initial investment expense of equipment;
3, cold wind is sent by air circulation jet device, under the air quantity required, air outlet air velocity can reach 25m/s, and 5 meters of wind scooter 4m/s, realize remote jet distribution, also can select the air circulation jet device with adjustable tuyere device, such as air outlet is adjusted to fan-shaped or more concentrated air-supply, according to the open environment in cabin, suitable air-supply form can be selected, therefore, air-supply is more flexibly with adjustable.
, cooled compressed unit is preferably designed for many groups such as 2 groups, automatically identify the using and the reserved by leaving air temp, or two are run simultaneously, meet the requirement of wide humidity province, cabin field width, unit high energy efficiency under any environment temperature is run.
Accompanying drawing explanation
below in conjunction with accompanying drawing and specific embodiment, the present invention will be further described in detail:
fig. 1 is according to structural principle schematic diagram of the present invention;
wherein: 1, cooled compressed unit; 10, compressor; 11, condenser; 12, economizer; 13, expansion valve; 14, evaporimeter; 14a, refrigerant inlet; 14b, refrigerant exit; 14c, coolant outlet; 14d, cooling water inlet; 15, cooling pipe; 16, magnetic valve; 17, temperature-responsive expansion valve; 2, cooling water circulating device; 20, storage tank; 21, filter; 22, water pump; 23, expansion tank; 3, portable air-supply arrangement; 30, air-supply casing; 31, water-cooled coil pipe; 31a, water inlet; 31b, delivery port; 32, circulating fan; 33, air circulation jet device; 34, movable pulley.
Detailed description of the invention
below in conjunction with accompanying drawing and specific embodiment, the present invention will be further described in detail.
as shown in Figure 1, the cabin refrigeration system that the present embodiment provides, it mainly comprises two cooled compressed units 1 in parallel, cooling water circulating device 2 and portable air-supply arrangements 3.Wherein, cooled compressed unit provides the water of refrigerant and cooling water circulating device 2 to carry out heat exchange, obtains low-temperature cooling water, low-temperature cooling water is passed in portable air-supply arrangement 3, in portable air-supply arrangement 3, after the hot-air in cabin and cooling water heat exchange, in cabin, send cold wind.Below the various piece of refrigeration system is described in detail.
in this example, cooled compressed unit 1 has 2 groups, and each cooled compressed unit comprises compressor 10, condenser 11, economizer 12, expansion valve 13, evaporimeter 14, cooling pipe 15, magnetic valve 16, temperature-responsive expansion valve 17.The exhaust end of compressor 10 connects condenser 11 by pipeline, condenser 11 is by the condensed fluid channel connection of pipeline and economizer 12, the condensed fluid passage of economizer 12 is also communicated with the refrigerant inlet 14a of expansion valve 13 with evaporimeter 14 by pipeline, and the two ends of cooling pipe 15 are communicated with the inlet end of compressor 10 with the condensed fluid passage place pipeline of economizer 12 respectively.Magnetic valve 16 and temperature-responsive expansion valve 17 are successively set on cooling pipe 15.The refrigerant exit 14b of evaporimeter 14 is communicated with the inlet end of compressor 10 with the refrigerant steam channel of economizer 12 by pipeline.
in this example, cooling water circulating device 2 comprise and evaporimeter 14 coolant outlet 14c by the storage tank 20 of pipeline connection, be arranged between the coolant outlet 14c of evaporimeter 14 and storage tank 20 pipeline on filter 21, water pump 22 and expansion tank 23.
in this example, portable air-supply arrangement 3 is arranged in cabin movably, sprays cold wind for the hot-air that sucks in cabin in cabin.Portable air-supply arrangement 3 comprises air-supply casing 30, the water-cooled coil pipe 31 be arranged in air-supply casing 30, be arranged on circulating fan 32 on air-supply casing 30 and 4 ~ 5 air circulation jet devices 33, water-cooled coil pipe 31 has water inlet 31a and delivery port 31b, and wherein water inlet 31a and storage tank 20 pass through pipeline connection; Delivery port 31b is communicated with the cooling water inlet 14d of two evaporimeters 14 by pipeline.Water inlet 31a and the delivery port 31b place of water-cooled coil pipe 31 are provided with snap joint, realize between other pipeline fast and removably connect.The bottom of air-supply casing 30 is provided with movable pulley 34, and top is provided with hoisting mechanism (not shown), thus portable air-supply arrangement can move to the region needing cooling easily in cabin.
operation principle of the present invention is as follows: the refrigerant steam of HTHP discharged by compressor, liquid is condensed in condenser, refrigerant liquid enters in economizer, heat exchange is carried out with the refrigerant steam returning compressor, realize that refrigerant liquid is excessively cold, refrigerant steam superheating, enter expansion valve throttling again, enter in evaporimeter and carry out heat exchange with the chilled water returned from end.Chilled water cools to 10 DEG C by 20 DEG C in evaporimeter, enters water pump by water filter filtering, by water pump, the chilled water of low temperature is sent into storage tank, divide terminad, enter water-cooled coil pipe, the refrigerant Vapor Return Compressor of endothermic gasification in evaporimeter, complete medium side circulation.When environment temperature is too high, thermic load is excessive, and when causing compressor exhaust temperature higher, the refrigerant liquid of economizer outlet, part separates through magnetic valve, carries out Liquid injection cooling by temperature-responsive expansion valve to compressor.The 10 DEG C of chilled waters exported by water pump enter water-cooled coil pipe, and the cabin atmosphere sucked with circulating fan carries out heat exchange, and air cools to 30 DEG C by 60 DEG C, is sprayed by air circulation jet device, lower the temperature to local, cabin.In water-cooled coil pipe, absorb air side thermic load and be warming up to 20 DEG C of chilled waters, by pump blowback to evaporimeter, complete chilled water side kind of refrigeration cycle.
the cabin cooling system of the present embodiment has following features:
1, by mobile packaged type air-supply arrangement to working region, Wind Volume air-supply cooling is carried out to certain regional area, ensures to meet local cooling's requirement, avoid and use cabin overall to lower the temperature the energy waste caused, also save the initial investment expense of equipment;
2, packaged type air-supply arrangement, the air circulation jet device of 4-5 only with rotation is selected in air-out, under the air quantity required, air outlet air velocity reaches 25m/s, 5 meters of wind speed 4m/s, realize remote jet distribution, select the air circulation jet device with adjustable tuyere device, air outlet is adjusted to fan-shaped or more concentrated air-supply.According to the open environment in cabin, suitable air-supply form can be selected;
3, packaged type air-supply arrangement, bottom assembling movable pulley, top is equipped with hoisting structure.Cooling coil can be moved to the space of any needs cooling.Device establishes aviation plug, can be connected fast with main frame, and work is carried out in the optional position that can realize moving to cabin;
4, this nacelle cooling system adopts refrigerant such as fluorine and water heat exchange, then is delivered to by cooled water in the packaged type coil pipe of band air circulation jet device, lowers the temperature to local, cabin.Utilize specific heat of water appearance much larger than the characteristic of air, then by storage tank retaining cool storage function, the frequent energy effectively alleviating refrigeration system freon compressing unit is adjusted, start and stop;
5, chilled water system selects two handpiece Water Chilling Units parallel connections, automatically identifies the using and the reserved by leaving air temp, or two are run simultaneously.Meet the requirement of wide humidity province, cabin field width, unit high energy efficiency under any environment temperature is run.
above to invention has been detailed description; its object is to allow the personage being familiar with this art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; the equivalence change that all Spirit Essences according to the present invention are done or modification, all should be encompassed in protection scope of the present invention.
Claims (8)
1. a cabin refrigeration system, comprise cooled compressed unit, described cooled compressed unit comprises compressor, condenser, restricting element and evaporimeter, described compressor connects described condenser by pipeline, described condenser is connected described evaporimeter by pipeline with described restricting element, described evaporimeter has refrigerant inlet, refrigerant exit, cooling water inlet and coolant outlet, and the refrigerant exit of described evaporimeter is connected by the inlet end of pipeline with described compressor, it is characterized in that:
Described cabin refrigeration system also comprises cooling water circulating device and portable air-supply arrangement, wherein: described restricting element is expansion valve;
Described cooling water circulating device comprises water pump on the storage tank be connected by pipeline with the coolant outlet of described evaporimeter, the pipeline being arranged between the coolant outlet of evaporimeter and storage tank and expansion tank;
Described portable air-supply arrangement is arranged in cabin movably, cold wind is sprayed for the hot-air that sucks in cabin in cabin, described portable air-supply arrangement comprises air-supply casing, the water-cooled coil pipe be arranged in described air-supply casing, is arranged on circulating fan on described air-supply casing and one or more air circulation jet device, described aqueous cold plate pipe has water inlet and delivery port, and be provided with snap joint at the water inlet of described water-cooled coil pipe and water outlet, wherein water inlet and described storage tank pass through pipeline connection; Described delivery port is communicated with by the cooling water inlet of pipeline with described evaporimeter.
2. cabin according to claim 1 refrigeration system, it is characterized in that: described cooled compressed unit also comprises the economizer with condensed fluid passage and refrigerant steam channel, wherein, condensed fluid expanding channels is on the pipeline between condenser and evaporimeter, and refrigerant steam channel is connected on the pipeline between evaporimeter and the inlet end of compressor.
3. cabin according to claim 2 refrigeration system, is characterized in that: described cooled compressed unit also comprises cooling pipe for being connected with the inlet end of described compressor by the condensate liquid passage of described economizer, be arranged on magnetic valve on this cooling pipe and temperature-responsive expansion valve.
4. cabin according to claim 1 refrigeration system, is characterized in that: described cooled compressed unit has two groups at least, and described at least two group cooled compressed units are in parallel.
5. cabin according to claim 1 refrigeration system, is characterized in that: the upstream of described water pump is provided with filter.
6. cabin according to claim 1 refrigeration system, is characterized in that: the bottom of described air-supply casing is equipped with movable pulley, and top is equipped with hoisting structure.
7. cabin according to claim 1 refrigeration system, is characterized in that: described air circulation jet device is the adjustable air circulation jet device of inlet shape and/or size.
8. cabin according to claim 1 refrigeration system, is characterized in that: described portable air-supply arrangement is equipped with Aviation Connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310227714.1A CN103292388B (en) | 2013-06-08 | 2013-06-08 | Refrigerating system for engine room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310227714.1A CN103292388B (en) | 2013-06-08 | 2013-06-08 | Refrigerating system for engine room |
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| Publication Number | Publication Date |
|---|---|
| CN103292388A CN103292388A (en) | 2013-09-11 |
| CN103292388B true CN103292388B (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310227714.1A Active CN103292388B (en) | 2013-06-08 | 2013-06-08 | Refrigerating system for engine room |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729160B (en) * | 2013-12-24 | 2018-10-16 | 珠海格力电器股份有限公司 | Parallel air-conditioning group |
| CN105805825B (en) * | 2014-12-30 | 2018-12-25 | 维谛技术有限公司 | A kind of air-conditioning and its control method |
| CN108020022A (en) * | 2017-11-24 | 2018-05-11 | 南通象屿海洋装备有限责任公司 | A kind of new Cargo Oil temperature control system and temperature control method for chemical tanker |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08327169A (en) * | 1994-08-31 | 1996-12-13 | Nippondenso Co Ltd | Refrigerating equipment |
| CN201277661Y (en) * | 2008-09-13 | 2009-07-22 | 徐振国 | Water thermostat type mobile air conditioner |
| CN201555392U (en) * | 2009-10-23 | 2010-08-18 | 南通康鑫药业有限公司 | Folding type cooling system |
| CN203395994U (en) * | 2013-06-08 | 2014-01-15 | 张家港市江南利玛特设备制造有限公司 | Refrigeration system used for engine room |
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Address after: 215634 East side of Huachang Road, Yangzijiang Chemical Industry Park, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee after: Suzhou Limat Energy Equipment Co.,Ltd. Address before: 215634 East side of Huachang Road, Yangzijiang Chemical Industry Park, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee before: JIANGNAN LMART EQUIPMENT MANUFACTURING (ZHANGJIAGANG) Co.,Ltd. |
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