CN1527012A - Marine afterheat driven physically adsorbing ice maker - Google Patents
Marine afterheat driven physically adsorbing ice maker Download PDFInfo
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- CN1527012A CN1527012A CNA031510469A CN03151046A CN1527012A CN 1527012 A CN1527012 A CN 1527012A CN A031510469 A CNA031510469 A CN A031510469A CN 03151046 A CN03151046 A CN 03151046A CN 1527012 A CN1527012 A CN 1527012A
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- water
- ice machine
- heat
- adsorbent bed
- waste heat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
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- Sorption Type Refrigeration Machines (AREA)
Abstract
The present invention is marine afterheat driven physically adsorbing ice maker and belongs to the field of ice making apparatus technology. The marine ice maker includes two adsorbing beds, fume/water heat exchanger, heat accumulating tank, condensator, liquid storage, ice slicing machine, water pump, magnetic pump, water inlet valve combination and back water valve combination and vacuum solenoid valve. The present invention is suitable for refrigerating freshness keeping apparatus in small and medium size fishing boat and has saving in energy source, raised energy utilization and environment protection.
Description
Technical field
The present invention relates to a kind of absorption type ice machine, relate in particular to and a kind ofly be applied to the waste heat peculiar to vessel that waste heat such as diesel engine of fishing vessel drives and drive physical absorption formula ice machine, belong to the refrigerating plant field.
Background technology
Along with the inshore fishing resource constantly reduces, middle-size and small-size fishing boat job area extends to the off-lying sea gradually, the fresh-keeping outstanding problem that just becomes of catches.At present, the coastal middle-size and small-size fishing boat of China is mostly fresh-keeping based on iced storage, and mechanical refrigeration is fresh-keeping to be auxilliary.Therefore, the fishing boat refrigeration machine is the equipment that current medium and small fishing boat presses for equipment, develops the steam compression type refrigerating mode that still concentrates on.Meanwhile, the diesel engine on the fishing boat has 30% heat to enter atmosphere and waste from tail gas approximately.If can utilize this part waste heat to drive adsorption refrigeration system, can not increase any oil consumption of diesel engine, only reclaim its using waste heat from tail gas and realize ice making, satisfy fisherman's demand.
Find by literature search, (" Experimental investigation on anadsorption system for producing chilled water such as the Zhu Rui of Xi'an Communications University fine jade; " Int.J.Refrig., 1992,15 (1), 31-34. (the experimental study of absorption type chilled water system, international refrigeration journal) the fresh-keeping absorption type chilled water system of using of fishing boat had once been proposed, adopt zeolite-water right, draft out that the diesel exhaust gas waste heat is used for the fresh-keeping absorbing refrigeration system scheme of fish product on the recovery fishing boat as absorption working pair.The refrigeration work consumption of Development Prototype only is 0.33kW.And be that cold-producing medium can not be used for ice making with water, the freezing scope of fresh-keeping fish products is restricted.In addition, the chemisorbed formula refrigeration machine of making cold-producing medium with ammonia will be subjected to strict restriction when moving aboard ship, the particularly leakage of ammonia in its high-pressure system, to black gang's operating environment be done great damage, its smell, toxicity and corrosivity also can influence cargo mass and personal safety simultaneously.
Summary of the invention
The objective of the invention is to overcome above-mentioned the deficiencies in the prior art, avoid doing the chemisorbed of cold-producing medium with ammonia, provide a kind of waste heat peculiar to vessel to drive physical absorption formula ice machine, it is according to the absorption type refrigerating principle, directly utilize the diesel engine vent gas waste heat and be that low-temperature receiver drives the absorption type ice machine with the seawater, thereby realize continuously, ice bits output stably.
The present invention is achieved by the following technical solutions, the present invention includes: two adsorbent beds, flue gas/water-to-water heat exchanger, hot water storage tank, condenser, fluid reservoir, slice ice machine, water pump, magnetic drive pump, water valve, vacuum valve.Flue gas/water-to-water heat exchanger communicates with hot water storage tank and heat supply by pipeline, hot water storage tank or low-temperature receiver seawater link to each other with adsorbent bed with the back-water valve (BWV) group by the water intaking valve group, the low-temperature receiver seawater is drawn shunt circuit connection condenser simultaneously, adsorbent bed links to each other with condenser or fluid reservoir by vacuum solenoid, condenser links to each other with fluid reservoir by choke valve, two adsorbent beds also link to each other with the backheat water valve by the backheat water pump, and slice ice machine links to each other with fluid reservoir by magnetic drive pump.
Consider that the open ended equipment volume of fishing boat is limited, simultaneously also in order to strengthen the heat transfer property of adsorbent bed, it is adsorbent that adsorbent bed is selected the curing activity charcoal for use, and methyl alcohol is cold-producing medium, and the application hot water storage tank is limited in the serviceability temperature of waste heat below 120 ℃.This system belongs to vacuum system, can be to the external leakage methanol vapor, and security is good.Adsorbent bed adopts shell and tube exchanger, is divided into three parts in the bed, and each part is made up of curing activity charcoal and with ribbing heat-transfer pipe, and every active carbon and fin arrange that at interval several heat-transfer pipes are together in series them.Every row curing activity charcoal is all with silk screen parcel, prevent the fragmentation of active carbon forming piece after loose accumulation influence conduct heat, and stop refrigerant gas stream to take away absorbent particles.All be furnished with gripper shoe at a certain distance in the three row curing activity charcoals, also be welded with the reinforcement of some on the adsorbent bed inwall, reinforcement and gripper shoe interaction energy prop up the distortion of vacuum state lower casing like this.Pipeline forms four tube sides in the adsorbent bed; Shell-side leaves the space that flows freely of steam in the bed, adds the reserved passageway on the curing activity carbon surface, can strengthen mass transfer effect.
Condenser adopts a slice multitube type cross-flow heat exchanger, links fluid reservoir in its bottom through a buffer container and choke valve.Evaporation fluid reservoir and slice ice machine are formed the combined type evaporimeter, and the big problem of absorption resistance has certain spray effect when having overcome direct application evaporimeter when cold-producing medium is got back to fluid reservoir, has strengthened the heat exchange effect.Flue gas/water-to-water heat exchanger adopts plate-fin cross-current heat exchanger, and flow resistance is little, good effect of heat exchange.Hot water storage tank between transfer period, is kept the temperature required of hot water in system, and flue gas can effectively be utilized, and when diesel load fluctuateed, buffering, regulating action were played in the heating of heat exchanging fluid water.
The closed circulation system that recovery waste heat of the present invention adopts flue gas/water-to-water heat exchanger and hot water storage tank to form replaces flue gas directly to heat and air cooling system, strengthened heat transfer property: adopt a condenser to link to each other with two adsorbent beds by vacuum solenoid, omitted two condenser/evaporator that the zeolite adsorption unit independently uses in the cover background technology with fluid reservoir; Replaced cold water storage fish box with slice ice machine; Increased backheat water pump and backheat water valve, can realize that backheat returns the matter process.
The operational process that the present invention's waste heat peculiar to vessel drives physical absorption formula ice machine comprises following loop:
1. hot water storage tank recovery waste heat loop is made up of hot water storage tank, flue gas/water-to-water heat exchanger, water pump and valve.Flue gas from diesel engine adds hot water by flue gas/water-to-water heat exchanger, and water circulates in the loop by water pump.Bypath valve is set on the exhaust gases passes is no more than 120 ℃ with the control water tank temperature.2. heating circuit is that the interior hot water of water tank enters an adsorbent bed through water pump, water intaking valve group, and the backwater of adsorbent bed is got back to water tank via the back-water valve (BWV) group.3. cooling circuit is divided into two parallel pipelines.Article one, arrive another adsorbent bed through the water intaking valve group, link the cooling water total loop by the back-water valve (BWV) group again; Another is linked condenser and directly gets back to the cold water total loop, returns the sea.4. the backheat loop is to open backheat pump and corresponding two water valves thereof, has just formed the water loop of sealing with two adsorbent beds.Aqueous medium in the loop is two interior series circulation, and another adsorbent bed of an adsorbent bed heat release absorbs heat.5. returning the matter process is to open two vacuum solenoids that connect condenser two adsorbent beds are communicated with, and is in the cold bed that the interior refrigerant vapour of high pressure conditions hott bed directly enters low-pressure state, reaches the effect of counterpressure.6. refrigerant loop is made of two adsorbent beds, condenser, fluid reservoir, choke valve and vacuum valve group, and condenser, fluid reservoir all are communicated with hott bed or cold bed respectively by the vacuum valve group.7. to go out the ice system be that low temperature liquid cold-producing medium in the fluid reservoir relies on magnetic drive pump to enter evaporation in the slice ice machine to slice ice machine, absorbs heat from slice ice machine is supplied with the shower water of disc surfaces, makes the ice bits continuously.Cold-producing medium after the heat absorption is got back to the fluid reservoir from upper entrance.
The 25%-35% of the diesel engine intermediate fuel oil burning heat of supplying with is taken away by waste gas to be lost, and delivery temperature is generally about 400 ℃.With 6160A type ship diesel engine is example (rated power 101kW, rotating speed 750r/min), and when it inserted the 75kW load running, surveying its recyclable waste heat amount was about 34kW.The coefficient of refrigerating performance COP of absorption type ice machine calculates by 0.1, and then refrigerating capacity is output as 3.4kW.Per hour approximately can produce ice 27kg.Install flue gas/water-to-water heat exchanger indirect utilization waste heat additional owing to adopt on the diesel exhaust gas pipeline, the pressure loss of actual measurement gas/water-to-water heat exchanger only is about 700Pa, can satisfy the requirement that the diesel engine pressure loss is no more than 1200-1800Pa fully.Contain not flammable ash content and remaining combustible component in the diesel exhaust, on heating surface, not only influence the performance of heat exchanger, and the danger that exists dust stratification to catch fire.Heat-transfer pipe adopts the manufacturing of strong corrosion resistant nickel alloy, can purify flue gas/water-to-water heat exchanger heating surface in order to be in operation, the design and installation soot blower, with saturated vapor or compressed air is that working fluid purges with high velocity air in pipe, in conjunction with the time-based maintenance of heat exchanger, tube wall knot carbon can be effectively controlled.The pipeline of absorption type ice-making system switches by machinery, electric device to be finished automatically.Because fishing boat can only be done simple maintenance in the navigation operation, to the requirement higher than Lu Yongyou of refrigeration plant security reliability and spare part aspect.Therefore each running control programization of whole system is convenient to fisherman's execute-in-place.
The present invention has substantive distinguishing features and marked improvement, waste heat peculiar to vessel of the present invention drives physical absorption formula ice machine, between fishing boat navigation and operational period,, it drives owing to directly utilizing the diesel engine vent gas waste heat, with the seawater is that low-temperature receiver cooling adsorbent bed and condenser are realized continuous ice-making, with drive traditional vapor compression refrigeration mode by electric energy and compare, save the consumption of diesel oil, improved rate of energy; Overcome absorption system and must equip solution pump or fractionating device, not too be fit to the shortcomings such as balleting state of hull; Have structure simple with control, do not have plurality of advantages such as big moving component, good anti-vibration, operating cost are low, long service life; Compare with existing absorption type chilled water experimental system peculiar to vessel, refrigeration work consumption improves 9 times.With curing activity charcoal-methyl alcohol is the right absorption type ice machine of absorption working pair, can effectively utilize low grade heat energy, does not increase environmental pollution, is a kind of green energy conservation type ice machine.This refrigerating fresh-keeping device of middle-size and small-size fishing boat that is applicable to can solve the fresh-keeping problem of trawler first line preferably, for China's fishing boat moves towards the off-lying sea, moves towards the ocean and lay good basis.It also is both to have saved the energy, raising energy utilization rate simultaneously, is beneficial to the effective way of environmental protection again.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is a partial structurtes schematic diagram of the present invention
The specific embodiment
As shown in Figure 1, the present invention includes: two adsorbent beds 1 and 2, flue gas/water-to-water heat exchanger 3, hot water storage tank 4, condenser 5, fluid reservoir 6, slice ice machine 7, heat-exchanger pump 8 (totally 2), magnetic drive pump 9, water intaking valve group and back-water valve (BWV) group 10 (totally 8), vacuum solenoid 11 (totally 4).Flue gas/water-to-water heat exchanger 3 communicates with hot water storage tank 4 and heat supply by pipeline, hot water storage tank 4 or low-temperature receiver seawater link to each other with adsorbent bed with back-water valve (BWV) group 10 by the water intaking valve group, the low-temperature receiver seawater is drawn shunt circuit connection condenser 5 simultaneously, adsorbent bed links to each other with condenser 5 or fluid reservoir 6 by vacuum solenoid 11, condenser 5 links to each other with fluid reservoir 6 by choke valve 12, two adsorbent beds also link to each other with backheat water valve 14 (2) by backheat water pump 13 totally, and slice ice machine 7 links to each other with fluid reservoir 6 by magnetic drive pump 9.
As shown in Figure 2, it is adsorbent that adsorbent bed 1 and 2 is all selected the curing activity charcoal for use, and methyl alcohol is cold-producing medium.Adsorbent bed 1 and 2 all adopts shell and tube exchanger, is divided into three parts in the bed, and each part is made up of curing activity charcoal 15 and with ribbing 17 heat-transfer pipe 18, and every active carbon and fin arrange that at interval several heat-transfer pipes are together in series them.Every row curing activity charcoal 15 all with the silk screen parcel, all is furnished with gripper shoe (the same fin of size) at a certain distance in the three row curing activity charcoals 15.Also be welded with the reinforcement 19 of some on adsorbent bed 1 and 2 inwalls, pipeline forms four tube sides in the adsorbent bed 1 and 2, and shell-side leaves the space that flows freely of steam in the adsorbent bed 1 and 2, and the semicolumn that distributing on curing activity charcoal 15 both side surface is reserved mass transfer channel 16.
Condenser 5 adopts a slice multitube type cross-flow heat exchanger, links fluid reservoir 6 in its bottom through a buffer container and choke valve 12.Evaporation fluid reservoir 6 and slice ice machine 7 are formed the combined type evaporimeter.Flue gas/water-to-water heat exchanger 3 adopts plate-fin cross-current heat exchanger, the closed circulation system that recovery waste heat adopts flue gas/water-to-water heat exchanger 3 and hot water storage tank 4 to form.
Claims (7)
1, a kind of waste heat peculiar to vessel drives physical absorption formula ice machine, comprise: two adsorbent beds (1) and (2), flue gas/water-to-water heat exchanger (3), hot water storage tank (4), condenser (5), fluid reservoir (6), slice ice machine (7), heat-exchanger pump (8), magnetic drive pump (9), water intaking valve group and back-water valve (BWV) group (10), vacuum solenoid (11), it is characterized in that, two condenser/evaporator that the zeolite adsorption unit independently uses of a cover have been omitted, and backheat water pump (13) and backheat water valve (14) have been increased, flue gas/water-to-water heat exchanger (3) communicates with hot water storage tank (4) and heat supply by pipeline, hot water storage tank (4) or low-temperature receiver seawater link to each other with adsorbent bed (1) or (2) with back-water valve (BWV) group (10) by the water intaking valve group, the low-temperature receiver seawater is drawn shunt circuit connection condenser (5) simultaneously, adsorbent bed (2) or (1) link to each other with condenser (5) or fluid reservoir (6) by vacuum solenoid (11), condenser (5) links to each other with fluid reservoir (6) by choke valve (12), adsorbent bed (1) also links to each other with backheat water valve (14) by backheat water pump (13) with (2), and slice ice machine (7) links to each other with fluid reservoir (6) by magnetic drive pump (9).
2, waste heat peculiar to vessel according to claim 1 drives physical absorption formula ice machine, it is characterized in that, shell and tube exchanger is all adopted in adsorbent bed (1) and (2), be divided into three parts in the bed, each part is made up of the heat-transfer pipe (18) of curing activity charcoal (15) and with ribbing (17), every active carbon and fin are arranged at interval, several heat-transfer pipes (18) are together in series them, every row curing activity charcoal (15) all wraps up with silk screen, all be furnished with gripper shoe in the three row curing activity charcoals (15) at interval, the same fin of size also is welded with reinforcement (19) on adsorbent bed (1) and (2) inwall, and pipeline forms four tube sides in each adsorbent bed.
3, waste heat peculiar to vessel according to claim 1 and 2 drives physical absorption formula ice machine, it is characterized in that adsorbent bed (1), (2) shell-side leave the space that flows freely of steam, on curing activity charcoal (15) both side surface reserved passageway (16) is arranged.
4, waste heat peculiar to vessel according to claim 1 and 2 drives physical absorption formula ice machine, it is characterized in that it is adsorbent that adsorbent bed (1) and (2) are all selected curing activity charcoal (15) for use, and methyl alcohol is cold-producing medium.
5, waste heat peculiar to vessel according to claim 1 drives physical absorption formula ice machine, it is characterized in that, condenser (5) adopts a slice multitube type cross-flow heat exchanger, links fluid reservoir (6) in its bottom through a buffer container and choke valve (12).
6, waste heat peculiar to vessel according to claim 1 drives physical absorption formula ice machine, it is characterized in that, evaporation fluid reservoir (6) and slice ice machine (7) are formed the combined type evaporimeter.
7, waste heat peculiar to vessel according to claim 1 drives physical absorption formula ice machine, it is characterized in that, flue gas/water-to-water heat exchanger (3) adopts plate-fin cross-current heat exchanger, the closed circulation system that recovery waste heat adopts flue gas/water-to-water heat exchanger (3) and hot water storage tank (4) to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031510469A CN1242227C (en) | 2003-09-18 | 2003-09-18 | Marine afterheat driven physically adsorbing ice maker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031510469A CN1242227C (en) | 2003-09-18 | 2003-09-18 | Marine afterheat driven physically adsorbing ice maker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1527012A true CN1527012A (en) | 2004-09-08 |
| CN1242227C CN1242227C (en) | 2006-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031510469A Expired - Fee Related CN1242227C (en) | 2003-09-18 | 2003-09-18 | Marine afterheat driven physically adsorbing ice maker |
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| Country | Link |
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| CN (1) | CN1242227C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1317162C (en) * | 2004-12-17 | 2007-05-23 | 泰山集团股份有限公司 | Refrigerator set for fishing boat |
| CN110779236A (en) * | 2019-11-28 | 2020-02-11 | 全球能源互联网研究院有限公司 | Heat recovery's ice making system |
| EP3967594A1 (en) | 2020-09-09 | 2022-03-16 | SDC Ship Design & Consult GmbH | Exhaust utilisation of marine combustion engines through storage and delivery on land |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100570243C (en) * | 2008-06-10 | 2009-12-16 | 金继伟 | Adopt the adsorption refrigerating device of liquid-storing cartridge heater |
-
2003
- 2003-09-18 CN CNB031510469A patent/CN1242227C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1317162C (en) * | 2004-12-17 | 2007-05-23 | 泰山集团股份有限公司 | Refrigerator set for fishing boat |
| CN110779236A (en) * | 2019-11-28 | 2020-02-11 | 全球能源互联网研究院有限公司 | Heat recovery's ice making system |
| EP3967594A1 (en) | 2020-09-09 | 2022-03-16 | SDC Ship Design & Consult GmbH | Exhaust utilisation of marine combustion engines through storage and delivery on land |
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| Publication number | Publication date |
|---|---|
| CN1242227C (en) | 2006-02-15 |
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