CN202254023U - Improved structure of runner dehumidification air-conditioning system for ship - Google Patents

Improved structure of runner dehumidification air-conditioning system for ship Download PDF

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Publication number
CN202254023U
CN202254023U CN2011202607862U CN201120260786U CN202254023U CN 202254023 U CN202254023 U CN 202254023U CN 2011202607862 U CN2011202607862 U CN 2011202607862U CN 201120260786 U CN201120260786 U CN 201120260786U CN 202254023 U CN202254023 U CN 202254023U
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air
airduct
outlet
renewing zone
level
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CN2011202607862U
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陈武
杨光海
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Jimei University
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Jimei University
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Abstract

The utility model discloses an improved structure of a runner dehumidification air-conditioning system for a ship. The improved structure comprises a dehumidification runner, a first-grade intercooler, a second-grade intercooler, a compressive air-conditioning unit, a treatment fan, a refrigerating fan, a waste heat heater or a waste gas heat exchanging runner and a humidifier which are connected through an air pipe. A single dehumidification runner is adopted to adapt to the condition of limited ship space; the compressive air-conditioning unit is used for replacing the conventional evaporative cooler, so that the defect that the conventional evaporative cooler is easily influenced by the outside in a marine environment is overcome, and the stability of a blowing state is ensured; and a regenerating fan is adopted in the system, and waste heat of the ship is taken as a heat source in a regenerating process. Seawater is taken as a cold source for initially cooling dehumidified high-temperature treated air, so that a large amount of energy for regenerating and cooling is saved.

Description

The improvement structure of rotary wheel dehumidifying air-conditioning system peculiar to vessel
Technical field
The utility model relates to a kind of shipborne equipment, particularly relates to a kind of improvement structure of rotary wheel dehumidifying air-conditioning system peculiar to vessel.
Background technology
Have abundant used heat on the boats and ships, wherein the thermal efficiency of diesel engine has only about 50%, and remaining heat enters in seawater or the atmosphere through cooling medium, exhaust and heat radiation.Exhaust gas heat accounts for 30% of diesel main engine total input energy, and delivery temperature is usually at 260 ℃-400 ℃.A large amount of used heat is discharged into outdoor, has caused a large amount of wastes of the energy, also marine environment has been caused very large pollution.In summer, the relative humidity of air is generally about 80% under the hot marine environment, and sometimes even can reach 90%, therefore, the moisture removal of marine air conditioning is very big.At present, the air-conditioning system of boats and ships is to adopt the compressed air conditioner refrigeration basically, and dehumidification mode is a cooling and dehumidifying, and cooling and dehumidifying need be reduced to the cooler surface temperature below the dew-point temperature, and the water in air steam is met the condensation knot and separated out, thereby reaches the purpose of dehumidifying.The energy that this dehumidification process consumption is a large amount of has increased marine air conditioning operating cost.Dehumidifier/air-conditioning system peculiar to vessel is made up of desiccant wheel, cooled with seawater equipment and conventional compression formula air-conditioning unit; Handling airborne humidity load is handled by the drier in the runner; The regeneration thermal source of drier utilizes boats and ships used heat; Dried air adopts cooled with seawater and the auxiliary cooling of compressed air conditioner unit to combine, and cools off handling air jointly.
Compare with conventional compression formula marine air conditioning, rotary wheel dehumidifying air-conditioning system peculiar to vessel is come independent process with humidity load by desiccant wheel, can reach lower humidity requirement.Moisture absorption utilizes the used heat of marine main engine to regenerate to saturated drier in the runner; Improved the thermal efficiency that marine fuel utilizes; Reduced the discharging of greenhouse gases; Meet the measure of the minimizing greenhouse gas emission that Marine Environmental Protection Committee of current International Maritime Organization proposes, and rotary wheel dehumidifying air-conditioning system peculiar to vessel can provide the air-supply of higher new wind ratio, make that the environment of air-conditioned room is more healthy.
Through retrieval to existing patent documentation; Application number is 200710045902.7 Chinese invention patent; Name is called " single runner two stage dehumidify air-conditioner of Driven by Solar Energy ", and this patent discloses correlation technique and has been characterized as: handle wind through second level heat exchanger after, get into devaporizer through airduct; Devaporizer is connected with the processing blower fan; The regeneration thermal source is solar hot water heat collector and auxiliary thermal source, and first order renewing zone links to each other with primary heater, and renewing zone, the second level links to each other with second level heater.The defective of this patented technology and deficiency are: adopt devaporizer to cool off and be not suitable for the working environment that boats and ships rock; Adopt solar energy as thermal source can not continous-stable reactivation heat is provided for system; Mainly still rely on auxiliary thermal source to ensure the carrying out of regenerative process; Energy-saving effect is not good, is not suitable for the boats and ships practical situations.
The utility model content
The purpose of the utility model is to provide a kind of improvement structure of rotary wheel dehumidifying air-conditioning system peculiar to vessel; It can make full use of the lower seawater of the abundant used heat of boats and ships and temperature as cooling water source; Reduce the energy consumption that marine air conditioning is used for cool-down dehumidification, reduce greenhouse gas emission, protect the marine environment.
For realizing above-mentioned purpose, the utility model Technical schemeBe:
The utility model is a kind of improvement structure of rotary wheel dehumidifying air-conditioning system peculiar to vessel, and it comprises desiccant wheel, first order charge air cooler, second level charge air cooler, compressed air conditioner unit, handles blower fan, regeneration blower fan, waste heat device or waste gas heat exchange runner, humidifier; It adopts a desiccant wheel, and the desiccant wheel that is adopted comprises first order dehumidifying district, renewing zone one, second level dehumidifying district and renewing zone two; First order dehumidifying district, renewing zone one, second level dehumidifying district and renewing zone two distribute in regular turn, form the space of a sealing; Desiccant wheel first order dehumidifying district's outlet of being adopted is connected through airduct with first order charge air cooler air inlet; First order charge air cooler air outlet is connected through airduct with second level dehumidifying district's import; The outlet of dehumidifying district, the second level is connected through airduct with second level charge air cooler air inlet; Second level charge air cooler air outlet is connected through airduct with the evaporimeter air inlet of compressed air conditioner unit, the evaporimeter air outlet with handle blower fan and be connected through airduct and on this section airduct, be provided with air-valve one; Indoor return air inlet is connected through airduct with waste heat device air inlet or waste gas heat exchange runner air inlet; Waste heat device air outlet or waste gas heat exchange runner air outlet are connected through airduct respectively with the import of the renewing zone one of desiccant wheel and the import of renewing zone two, and the outlet of the outlet of renewing zone one and renewing zone two all is connected through airduct with the import of regeneration blower fan; Waste heat device air outlet or waste gas heat exchange runner air outlet are connected through airduct with the humidifier import, and the humidifier outlet is connected through airduct with the processing blower fan.
The utility model course of work comprises the processing procedure of air, the regenerative process and the heating process of drier.The processing procedure of air: outdoor air mixes with indoor return air ratio (>=50%) on demand form to handle wind, handles the first order treatment region that wind at first gets into desiccant wheel, and the agent that in the dehumidifying district, is dried of airborne moisture absorbs; The processing air is dried, because the generation of heat of adsorption is handled air themperature and raise; After coming out from the dehumidifying district, dried processing air gets into first order charge air cooler; By cooled with seawater, send into the second level treatment region of desiccant wheel after the cooling, agent drying once more is dried; Dried processing air in the charge air cooler of the second level by cooled with seawater; In order to guarantee the stability of wind pushing temperature, after the auxiliary cooling of the evaporimeter of conventional compression formula air-conditioning unit, send into the cabin by handling blower fan at last through the processing air after twice dehumidifying and the cooled with seawater.The regenerative process of drier: regeneration wind is from the return air in the cabin; Regeneration wind at first is heated to regeneration temperature through waste heat device or waste gas heat exchange runner; Be divided into two-way then and get into rotary wheel regeneration district one and renewing zone two respectively, the heat drying agent makes the steam evaporation of its absorption; Recover wettability power, mix being discharged to outdoor after regeneration wind comes out from the renewing zone of desiccant wheel through the regeneration blower fan.The heating process: air-valve one cuts out with air-valve two, and indoor return air through reaching predetermined temperature after waste heat device or the heating of waste gas heat exchange runner, is regulated humidity by humidifier successively again, sends in the cabin by handling blower fan.
The said waste heat device of the utility model comes thermal regeneration wind by the steam that waste heat boiler produces, and waste gas heat exchange runner is heated to regeneration wind the regeneration temperature of drier directly with waste gas and the heat exchange of regeneration wind.
The operation principle of the utility model: needing under the air conditioner ventilation operating mode of cool-down dehumidification, handling the latent heat load and the sensible heat load of air and separately handle.Latent heat load is meant humidity load, is handled by the drier in the runner; Sensible heat load is meant the thermic load with air, by the first order and second level seawater charge air cooler and conventional compression formula air-conditioning unit common point reason.When handling air through desiccant wheel, airborne steam is absorbed by the drier in the desiccant wheel, and this dry run is the constant enthalpy dehumidification process, and the humidity of air reduces, because the release of heat of adsorption makes temperature rise.The ocean surface ocean temperature generally about 20-30 ℃, can be used to handle the cooling of wind.Dried air is sent in the seawater charge air cooler and is cooled.Under marine environment, air humidity is higher, and the moisture removal of marine air conditioning is bigger, needs further dehumidifying again, considers that the watercraft engine room space is less, adopts the form of a runner two stage dehumidify can save the space, and is proper.Therefore, the another one dehumidifying district that the quilt cooled processing air first time is sent into runner once more dehumidifies, and is cooled off by second level seawater charge air cooler after the dehumidifying again.For guaranteeing the stable of wind pushing temperature, at last by the auxiliary cooling of the evaporimeter of conventional compression formula air-conditioning unit, handled wind and can reach the humiture operating mode that air-supply needs by the processing air after the cooled with seawater.
After adopting such scheme; With application number is that 200710045902.7 Chinese invention patent is compared; Structurally done following improvement: 1. substitute the devaporizer in the above-mentioned patent, adopt desiccant wheel to combine with the compressed air conditioner unit with the compressed air conditioner unit; 2. the flow process of handling air and regeneration air is effectively improved, regenerative process adopts a regeneration blower fan; 3. regenerative process adopts boats and ships used heat as thermal source, handles air and adopts seawater as preliminary cooling; Cancelled solar hot water heat collector and auxiliary thermal source in the above-mentioned patent, regeneration air has been heated through waste heat device or waste gas heat exchange runner.With application number is that 200710045902.7 Chinese invention patent is compared; The utlity model has following advantage: 1. desiccant wheel and compressed air conditioner unit combine the wind pushing temperature stability that use helps whole system; Avoided under the marine environment, devaporizer commonly used is subject to the big shortcoming of ectocine.2. this system adopts the regeneration thermal source of boats and ships used heat as drier; And adopt seawater the air after handling tentatively to be cooled off as low-temperature receiver; Saved and be used to the energy of regenerating and cooling off in a large number, reduced carbon emission, met the trend of current international ocean environmental protection.3. with respect to current marine air conditioning aeration technology, the dehumidification process of this system is accomplished by the drier in the runner, has avoided the cooling and dehumidifying process need to consume significant amount of energy chilling temperature is reduced to the shortcoming below the dew point.
Below in conjunction with accompanying drawing and specific embodiment the utility model is further described.
Description of drawings
Fig. 1 is the structure principle chart of the utility model;
Fig. 2 is the structural representation of the utility model desiccant wheel.
The specific embodiment
As shown in Figure 1; The utility model is a kind of improvement structure of rotary wheel dehumidifying air-conditioning system peculiar to vessel, and it comprises desiccant wheel 1, first order charge air cooler 2, second level charge air cooler 3, compressed air conditioner unit 4 (comprising evaporimeter 4-1 and condenser 4-2), handles blower fan 5, regeneration blower fan 6, waste heat device 7-1 or waste gas heat exchange runner 7-2, humidifier 8, motor 10, gear 11, chain 12.
With reference to shown in Figure 2; Described desiccant wheel 1 comprises first order dehumidifying district 1-1, renewing zone one 1-2, second level dehumidifying district 1-3 and renewing zone two 1-4; First order dehumidifying district 1-1, renewing zone one 1-2, second level dehumidifying district 1-3 and renewing zone two 1-4 distribute in regular turn, form the space of a sealing.Described first order dehumidifying district 1-1 equates that with second level dehumidifying district 1-3 area respectively account for 3/8 of desiccant wheel 1 area of section, renewing zone one 1-2 equates with renewing zone two 1-4 areas, respectively accounts for 1/8 of desiccant wheel 1 area of section.Desiccant wheel 1 is rotated to renewing zone one 1-2 direction by first order dehumidifying district 1-1.
Described desiccant wheel 1 first order dehumidifying district 1-1 outlet is connected through airduct with first order charge air cooler 2 air inlets; First order charge air cooler 2 air outlets are connected through airduct with second level dehumidifying district 1-3 import; 1-3 outlet in dehumidifying district, the second level is connected through airduct with second level charge air cooler 3 air inlets; Charge air cooler 3 air outlets in the second level are connected through airduct with the evaporimeter 4-1 air inlet of compressed air conditioner unit 4, evaporimeter 4-1 air outlet with handle blower fan 5 and be connected through airduct and on this section airduct, be provided with air-valve one 9-1.Indoor return air inlet A is connected through airduct with waste heat device 7-1 air inlet or waste gas heat exchange runner 7-2 air inlet; Waste heat device 7-1 air outlet or waste gas heat exchange runner 7-2 air outlet are connected through airduct respectively with the import of renewing zone one 1-2 of desiccant wheel 1 and the import of renewing zone two 1-4, and the outlet of the outlet of renewing zone one 1-2 and renewing zone two 1-4 all is connected through airduct with 6 imports of regeneration blower fan; Waste heat device 7-1 air outlet or waste gas heat exchange runner 7-2 air outlet are connected through airduct with humidifier 8 imports, and humidifier 8 outlet and processing blower fan 5 are connected through airduct.
Described gear 11 is installed on the output shaft of motor 10, and gear 11 and chain 12 engagements that are installed on the desiccant wheel 1 drive desiccant wheel 1 and rotate.
In the present embodiment, when in the cabin, carrying out the desiccant cooling adjusting, the processing procedure of air is:
Outdoor air B get into system and cabin return air C by a certain percentage (>=50%) mixes formation processing wind D.Return air mixes as handling air before getting into the first order dehumidifying district of desiccant wheel with extraneous new wind.Handle the first order dehumidifying district 1-1 that wind D at first gets into desiccant wheel 1, this processing wind D inlet side is the front of desiccant wheel 1.On the air passage wall of desiccant wheel 1, covered one deck drier, when handling wind D through passage, the agent that is dried of airborne portion of water absorbs, and it is dry by for the first time to handle wind D, because the release of heat of adsorption, the temperature of handling wind D rises.After dried processing air comes out from first order dehumidifying district 1-1 for the first time; Handle wind D and send into first order charge air cooler 2 through airduct; Adopt seawater to come cooling processing wind D as low-temperature receiver in the first order charge air cooler 2, cooled processing wind D is from sending into the positive second level dehumidifying district 1-3 of desiccant wheel 1 after first order charge air cooler 2 comes out.In second level dehumidifying district 1-3, handle wind D and obtained further drying, dried processing wind D sends into second level charge air cooler 3 after desiccant wheel 1 comes out, tentatively cool off.In first order charge air cooler 2 and second level charge air cooler 3; Adopt the lower seawater of temperature tentatively to cool off through the processing air after the dehumidifying; And the compressed air conditioner unit 4 that adopts is used for assisting the cooling processing air, requires and guarantee the stable of ventilation state to reach cabin ventilation state point; Compressed air conditioner unit 4 does not dehumidify to handling wind, and the condenser of unit adopts cooled with seawater.Because the cooling capacity of seawater is limited, for guaranteeing the stability of wind pushing temperature, handle wind D after 3 coolings of second level charge air cooler, further be cooled to the wind pushing temperature of setting again through evaporator 4-1, send in the cabin by handling blower fan 5 at last.
In the present embodiment, the regenerative process of desiccant wheel 1 drier is to adopt boats and ships used heat as thermal source, utilizes waste heat device 7-1 or waste gas heat exchange runner 7-2 to come the thermal regeneration air, and concrete grammar is following:
Regeneration wind A adopts the return air in the cabin, at first gets into waste heat device 7-1 or entering used heat heat exchange runner 7-2, and it is temperature required to be heated to desiccant regeneration.This process adopts the boats and ships high-temp waste gas E thermal regeneration wind of boats and ships used heat, is divided into two-way after the regeneration wind after the heating comes out, and gets into renewing zone one 1-2 and renewing zone two 1-4 of desiccant wheel respectively through regeneration wind airduct.Drier in desiccant wheel 1 air duct is heated, and contained humidity is evaporated in the regeneration wind, recovers the wettability power of drier, is discharged to outdoor via regeneration blower fan 6 then.
In the present embodiment, when in the cabin, heating, air-valve one 9-1 and air-valve two 9-2 close, and air-valve 9-2 opens.The return air in cabin is sent into waste heat device 7-1 or used heat heat exchange runner 7-2 heating through airduct, and the heating back gets into humidifier 8, carries out the wet process that adds of air, reaching the predetermined humiture of air-supply after, send in the cabin by handling blower fan 5.
By knowing in the foregoing description: 1. the utility model adopts the cooled with seawater and the conventional compression formula air-conditioning type of cooling to combine, and can reduce the energy consumption that is used to cool off.2. the air return method before the dehumidifying can reduce humidity load and the refrigeration duty that needs to handle air, and the regeneration of drier made full use of boats and ships used heat, has saved the regeneration heating cost.Therefore, the rotary wheel dehumidifying air-conditioning system peculiar to vessel Refrigeration Technique that is a kind of green.
The above; Be merely the utility model preferred embodiment; So can not limit the scope that the utility model is implemented with this, the equivalence of promptly doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model patent contains.

Claims (1)

1. the improvement structure of a rotary wheel dehumidifying air-conditioning system peculiar to vessel is characterized in that: it comprises desiccant wheel, first order charge air cooler, second level charge air cooler, compressed air conditioner unit, handles blower fan, regeneration blower fan, waste heat device or waste gas heat exchange runner, humidifier; It adopts a desiccant wheel, and the desiccant wheel that is adopted comprises first order dehumidifying district, renewing zone one, second level dehumidifying district and renewing zone two; First order dehumidifying district, renewing zone one, second level dehumidifying district and renewing zone two distribute in regular turn, form the space of a sealing; Desiccant wheel first order dehumidifying district's outlet of being adopted is connected through airduct with first order charge air cooler air inlet; First order charge air cooler air outlet is connected through airduct with second level dehumidifying district's import; The outlet of dehumidifying district, the second level is connected through airduct with second level charge air cooler air inlet; Second level charge air cooler air outlet is connected through airduct with the evaporimeter air inlet of compressed air conditioner unit, the evaporimeter air outlet with handle blower fan and be connected through airduct and on this section airduct, be provided with air-valve one; Indoor return air inlet is connected through airduct with waste heat device air inlet or waste gas heat exchange runner air inlet; Waste heat device air outlet or waste gas heat exchange runner air outlet are connected through airduct respectively with the import of the renewing zone one of desiccant wheel and the import of renewing zone two, and the outlet of the outlet of renewing zone one and renewing zone two all is connected through airduct with the import of regeneration blower fan; Waste heat device air outlet or waste gas heat exchange runner air outlet are connected through airduct with the humidifier import, and the humidifier outlet is connected through airduct with the processing blower fan.
CN2011202607862U 2011-07-22 2011-07-22 Improved structure of runner dehumidification air-conditioning system for ship Withdrawn - After Issue CN202254023U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102287883A (en) * 2011-07-22 2011-12-21 集美大学 Improved structure for marine rotating-wheel dehumidifying air-conditioning system and operating method thereof
CN104990163A (en) * 2015-07-02 2015-10-21 沪东重机有限公司 Dehumidification and rust-prevention device for marine diesel engine
CN106610064A (en) * 2015-10-22 2017-05-03 南通航运职业技术学院 Energy-saving type rotary wheel waste heat recycling device and use method thereof
CN107152335A (en) * 2016-03-03 2017-09-12 现代自动车株式会社 The mixing intercooler system and its control method integrated with air-conditioning system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102287883A (en) * 2011-07-22 2011-12-21 集美大学 Improved structure for marine rotating-wheel dehumidifying air-conditioning system and operating method thereof
CN104990163A (en) * 2015-07-02 2015-10-21 沪东重机有限公司 Dehumidification and rust-prevention device for marine diesel engine
CN106610064A (en) * 2015-10-22 2017-05-03 南通航运职业技术学院 Energy-saving type rotary wheel waste heat recycling device and use method thereof
CN107152335A (en) * 2016-03-03 2017-09-12 现代自动车株式会社 The mixing intercooler system and its control method integrated with air-conditioning system
CN107152335B (en) * 2016-03-03 2021-02-09 现代自动车株式会社 Hybrid intercooler system integrated with air conditioning system and control method thereof

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