CN101482343A - Water direct current inner cooling pipe type exhaust heat adsorption refrigerating machine - Google Patents
Water direct current inner cooling pipe type exhaust heat adsorption refrigerating machine Download PDFInfo
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- CN101482343A CN101482343A CNA2009100457340A CN200910045734A CN101482343A CN 101482343 A CN101482343 A CN 101482343A CN A2009100457340 A CNA2009100457340 A CN A2009100457340A CN 200910045734 A CN200910045734 A CN 200910045734A CN 101482343 A CN101482343 A CN 101482343A
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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]
- Y02B30/62—Absorption based systems
Abstract
The invention relates to a direct water-flow inner-cooling cold pipe type residual heat adsorption refrigerator. High-temperature flue gas flows into an adsorption bed through a four-way valve, an adsorption cold pipe is heated by the flue gas, calcium chloride desorbs ammonia gas, then ammonia gas enters an ammonia condenser through an ammonia gas steering device and is condensed into high-pressure liquid ammonia to flow into an ammonia storage tank, the liquid ammonia enters an ammonia sub-cooler and exchanges heat with the low-temperature ammonia gas to be cooled into over-cooling liquid ammonia, then the over-cooling liquid ammonia subjected to pressure and temperature reduction through a throttling device enters an ammonia evaporator, and heat of cooling medium water is absorbed during evaporation of the liquid ammonia; the low-pressure ammonia gas is circulated to the ammonia sub-cooler to exchange heat with the high-pressure liquid ammonia, and then enters another adsorption bed through the ammonia gas steering device to adsorb the cooling water in the cold pipe; the ammonia gas is adsorbed by calcium chloride; and processes of heating desorption and cooling adsorption of the two adsorption beds are circulated alternately. The invention has the advantages that direct water-flow inner-cooling and aluminum fins enhance cooling and heat exchange strength, desorption time and adsorption time are balanced, refrigerating cycle efficiency is improved, and problem of corrosion to pipes is solved by adopting a mode of seawater cooling inside pipes and flue gas heating outside pipes.
Description
Technical field
The present invention relates to a kind of solid adsorptive refrigerator, especially a kind of water direct current inner cooling pipe type exhaust heat adsorption refrigerating machine, the waste heat that utilizes diesel engine or gas engine to discharge is driving heat source, is converted to cold output, directly uses at energy-conservation and environmental technology field.
Background technology
The flue-gas temperature that diesel engine of fishing vessel is discharged accounts for 1/3rd of combustion heating amount up to 250～400 ℃, and this waste heat energy has very high value, but is directly entered atmosphere mostly, not only wastes energy but also cause environmental thermal pollution.On the other hand, large quantities of captive fishing goods need cold storing and fresh-keeping, and most offshore-fishing boats all adopt and carry several tons even the bright cold preserving methods of tens tons of trash ices ice, expend money and fresh-keeping quality is not good enough yet.
For solving this technical barrier, China Patent No. ZL00261738.2 discloses the efficient adsorption tube of a kind of calcium chloride-ammonia absorption type utilizing waste heat for refrigeration, comprise housing, ventilation pipe network, fin and cooling tube, cooling tube is located in the housing, fin and cooling tube are fixed, ventilative pipe network is installed on the fin, and calcium chloride is distributed between the fin.Owing to set up with ribbing cooling tube, make the adsorption tube cooling of during the absorption heat radiation, lowering the temperature rapidly.
On the basis of this efficient adsorption tube, China Patent No. ZL01272771.7 discloses a kind of efficient adsorbent bed and fume afterheat refrigeration machine, adsorbent bed is except efficient adsorption tube, also be provided with flue gas chamber, ammonia chamber, intake antrum and water chamber, two adsorbent beds and smoke valve, condenser, choke valve, evaporimeter etc. are formed the fume afterheat refrigeration machine.
More than two open files as the design concept of a novelty, solved theoretically and added thermal desorption and cooling adsorption process time basis equalization, uses two adsorbent beds alternately heating cooling formation kind of refrigeration cycle, export the problem of cold continuously.But because the restriction of environmental condition, process conditions does not obtain the checking of product in the practice.
Summary of the invention
The present invention designs a kind of practicality and the functional water direct current inner cooling pipe type exhaust heat adsorption refrigerating machine that has both by new technical scheme on the basis of prior art design concept.High-temperature flue gas with discharges such as diesel engines is a thermal source, as low-temperature receiver, can directly apply to the fishing boat refrigeration with seawater etc., also can be applied to the cold junction product of gas engine thermoelectric cold triple supply system simultaneously.
The present invention solves the problems of the technologies described above the technical scheme of taking: a kind of water direct current inner cooling pipe type exhaust heat adsorption refrigerating machine, comprise two adsorbent beds, ammonia condenser, flow controller and ammonia evaporators, described adsorbent bed comprises shell, the many cold pipes of absorption are that refrigeration working medium is right with ammonia-calcium chloride, process of refrigerastion is: high-temperature flue gas is in cross valve enters an adsorbent bed, the cold pipe of the absorption of adsorbent bed heats through flue gas, calcium chloride particle desorption ammonia; Ammonia enters ammonia condenser through the ammonia steering gear, is condensed into high-pressure liquid ammonia and flows into the ammonia fluid reservoir; Liquefied ammonia in the ammonia fluid reservoir enters the ammonia subcooler, is cooled to supercooled liquid ammonia with the heat exchange of low temperature ammonia; Supercooled liquid ammonia enters ammonia evaporator again after flow controller step-down cooling, absorb the chilled water heat in the liquefied ammonia evaporation process, and the cold refrigeration is carried to environment in chilled water cooling back; The low pressure ammonia recycle that ammonia evaporator produces is to ammonia subcooler and high-pressure liquid ammonia heat exchange, enter another adsorbent bed through the ammonia steering gear, logical cooling water in the cold pipe of the absorption of adsorbent bed, ammonia is adsorbed by the calcium chloride particle, finish a kind of refrigeration cycle process, adding thermal desorption and cooling off adsorption process of two adsorbent beds can hocket automatically by predetermined duty cycle.
On the basis of such scheme, the shell of described adsorbent bed middle part is provided with gas approach, and two ends are provided with ammonia chamber and following ammonia chamber respectively, and upper and lower ammonia outside is respectively equipped with upper tank and lower header;
The cold pipe of the absorption of water direct current inner comprises pipe and two ventilating net tubes in cold pipe outer tube, the finned cold pipe, cold pipe outer tube two ends respectively with upper and lower ammonia chamber UNICOM, in the cold pipe two ends of pipe respectively with upper and lower hydroecium UNICOM, be packaged with calcium chloride particle and ventilating net tube between the pipe in cold pipe outer tube and the cold pipe, cold pipe outer tube flows through the high-temperature flue gas heating, pipe water flowing direct current cooling in the cold pipe.
On the basis of such scheme, described upper tank place is provided with cooling water inlet, and cooling water inlet is connected with cooling water pump, and cooling water is managed in cooling water valve feeds the cold pipe of two adsorbent beds respectively;
Described lower header place is provided with delivery port, and the cooling water that cooling is finished is discharged through delivery port;
Place, described ammonia chamber down is provided with ammonia and imports and exports, and ammonia is imported and exported and ammonia steering gear UNICOM;
Be provided with exhanst gas outlet above the adsorbent bed shell, the flue gas that heating is finished is discharged through exhanst gas outlet.
On the basis of such scheme, described cold pipe outer tube is a thin-wall stainless steel; Pipe is the compound coarse pitch finned tube of stainless steel/aluminium in the described cold pipe; Described ventilating net tube is the stainless steel webmaster; Adsorbent adopts the calcium chloride particle that divides than dusting cover.
On the basis of such scheme, the inside of described ammonia steering gear is provided with four non-return valves, respectively with ammonia import and export, ammonia condenser and the ammonia subcooler UNICOM of two adsorbent beds.
On the basis of such scheme, four passwaies of described flue gas cross valve are connected with the gas approach and the by pass flue pipeline of smoke discharging pipe, two adsorbent beds respectively.The ability fume high-temperature, deformation is little, leakage loss is little, buncher is arranged and near the course of work of on-off controller driven valve.
On the basis of such scheme, described flow controller is the throttling arrangement of two groups of different throttling capacities, and in the time of adapting to diesel engine or gas engine and work under two kinds of different operating modes, the refrigeration function maintains the cooling condition work down that requires of setting.
The invention has the beneficial effects as follows:
The present invention adopts thermocompressor (comprising two adsorbent beds etc.) and refrigerator (comprising ammonia steering gear, flow controller, ammonia condenser, ammonia subcooler, ammonia evaporator etc.) to form the complete adsorption refrigerating device that can finish kind of refrigeration cycle automatically, and compact conformation, size be little, in light weight, be adapted at promoting the use of on the equipment such as fishing boat;
The water direct current inner of adsorbent bed of the present invention and aluminium fin have strengthened cooling heat transferring intensity greatly, webmaster and fin structure have obviously reduced the heat and mass path of adsorbent calcium chloride, accelerated heat and mass speed, make desorption time and adsorption time basis equalization, the kind of refrigeration cycle cycle shortens greatly, has improved cycle efficieny COP.Adopt cold pipe maritime interior waters cooling, the water direct current inner mode of the outer flue gas heating of cold pipe has solved the problem of seawater to the heavy corrosion of pipeline, makes the significant prolongation in service life of adsorbent bed.
Description of drawings
Fig. 1 is the structural representation of adsorbent bed of the present invention.
Fig. 2 is the system diagram of adsorption refrigerating device of the present invention.
Label declaration in the accompanying drawing
1-delivery port, 2-lower header
3a-following ammonia chamber 3b-last ammonia chamber
Pipe 5-cold pipe outer tube 6-gas approach in the 4-cold pipe
7-shell, 8-exhanst gas outlet, 9-upper tank
10-cooling water inlet, 11-ammonia is imported and exported
The steering gear of 12,13-adsorbent bed, 14-flue gas cross valve, 15-ammonia
16-ammonia condenser, 17-ammonia subcooler, 18-flow controller
19-ammonia evaporator, 20-cooling water pump, 21-refrigerant water pump
22-fan coil 23-let out ammonia device
24,25-cooling water valve, 26-ammonia safety valve
27-diesel engine or gas engine smoke discharging pipe
28-by pass flue pipeline, 29-ammonia fluid reservoir, 30-controller
The specific embodiment
See also Fig. 1 for the structural representation of adsorbent bed of the present invention and Fig. 2 for shown in the system diagram of adsorption refrigerating device of the present invention, adsorbent bed 12 (or adsorbent bed 13) by shell 7, some cold pipes of absorption, go up ammonia chamber 3b, ammonia chamber 3a, upper tank 9 and lower header 2 etc. combine in order down.Adsorb cold pipe and comprise 4 and two ventilating net tube (not shown) of pipe in cold pipe outer tube 5, the finned cold pipe, cold pipe outer tube 5 is the stainless steel webmaster for pipe 4 in thin-wall stainless steel, the cold pipe for the compound coarse pitch finned tube of stainless steel/aluminium, ventilating net tube, be packaged with in cold pipe outer tube 5 and the cold pipe an amount of, that divide than dusting cover between the fin of pipe 4 and the adsorbent calcium chloride particle of absorbing ammonia, two ventilating net tubes are located in cold pipe outer tube 5 and the cold pipe manages between 4, and its two ends are communicated with upper and lower ammonia chamber 3b, 3a respectively.
Described 3a place, ammonia chamber down is provided with ammonia and imports and exports 11, and the ammonia of adsorbent bed 12 (or adsorbent bed 13) desorption and absorption is via ammonia import and export 11 and ammonia steering gear 15 UNICOMs.
Described adsorbent bed shell top is provided with exhanst gas outlet 8, and the flue gas that heating is finished is discharged through exhanst gas outlet 8 and entered in the environment.
Described upper tank 9 places are provided with cooling water inlet 10, cooling water by cooling water pump 20, cooling water inlet 10 via cooling water valve 24 (or cooling water valve 25) and adsorbent bed 12 (or adsorbent bed 13) upper tank 9 enters pipe 4 in the cold pipe, direct current cooling adsorbent calcium chloride, beginning adsorption process.
Described lower header 2 places are provided with delivery port 1, and the cooling water that cooling is finished is discharged through delivery port 1 and entered in the environment.
The flue gas heating desorption process and the cooling water direct current cooling adsorption process of adsorbent bed 12 and adsorbent bed 13 periodically hocket.
Flue gas cross valve 14 is a tubulose window type flow divider valve, four passwaies are connected with the gas approach 6 and the by pass flue pipeline 28 of smoke discharging pipe 27, adsorbent bed 12 or the adsorbent bed 13 of diesel engine or gas engine respectively, and the ability fume high-temperature, deformation is little, leakage loss is little, buncher is arranged and near the course of work of on-off controller driven valve.
The high pressure ammonia that produces in the desorption process enters ammonia condenser 16 via ammonia steering gear 15, is condensed into high-pressure liquid ammonia and flows into ammonia fluid reservoir 29.Liquefied ammonia in the ammonia fluid reservoir 29 is after the outer low temperature ammonia heat exchange of ammonia subcooler 17 and pipe is cooled off, become subcooled liquid by saturated liquid, again via entering ammonia evaporator 19 after the flow controller 18 throttling step-downs cooling, beginning evaporation process under low pressure, absorption is by the sensible heat of the chilled water of refrigerant water pump 21, make chilled water cooling (it is-6～-2 ℃ that the fishing boat refrigerated compartment requires the temperature of chilled water at the evaporator outlet place), the low temperature chilled water is via fan coil 22 environment (being refrigerated compartment on the fishing boat) conveying towards periphery cold.
Low pressure ammonia by ammonia evaporator 19 generations, after ammonia subcooler 17 heat exchange intensification, be circulated to the adsorbent bed 12 (or adsorbent bed 13) that carries out adsorption process by ammonia steering gear 15, the suction ammonia regeneration of beginning calcium chloride brings back to life, when adsorption process finishes, promptly begin the kind of refrigeration cycle of next cycle.
Application examples
Utilize the present invention for offshore-fishing boat designs the seawater direct current inner cooling pipe type exhaust heat adsorption refrigerating machine that refrigeration work consumption is 3～5KW, be installed to successful operation on the fishing boat, its main standard and parameter are as follows:
Application: the refrigerated compartment fishing product cold storing and fresh-keeping of the offshore-fishing boat of configuration R6160A-6 diesel engine
Flue-gas temperature: 230～300 ℃
Cooling water source: the seawater that sea water pump provides
Refrigeration working medium is right: ammonia-calcium chloride
Evaporating temperature scope :-18～0 ℃
The kind of refrigeration cycle cycle: 20min
Adsorbent bed: two, it is Φ 38mm that each adsorbent bed device has 36 outer tube diameters, and length is the cold pipe of the absorption of 1000mm, pipe latus rectum Φ 14mm in the cold pipe, connecting the sea water direct current inner.
Installation site and mode: on fishing boat exhaust chimney deck, the flue gas cross valve is connected with exhaust chimney is soft, and two big portions of refrigeration machine overlap---and partial installation is connected thermocompressor with refrigerator.
Claims (6)
1, a kind of water direct current inner cooling pipe type exhaust heat adsorption refrigerating machine comprises two adsorbent beds, ammonia condenser, flow controller and ammonia evaporators, and described adsorbent bed comprises shell, and the many cold pipes of absorption are that refrigeration working medium is right with ammonia-calcium chloride, it is characterized in that:
High-temperature flue gas is in cross valve enters an adsorbent bed, the cold pipe of the absorption of adsorbent bed heats through flue gas, calcium chloride particle desorption ammonia, ammonia enters ammonia condenser through the ammonia steering gear, is condensed into high-pressure liquid ammonia and flows into the ammonia fluid reservoir, and the liquefied ammonia in the ammonia fluid reservoir enters the ammonia subcooler, be cooled to supercooled liquid ammonia with the heat exchange of low temperature ammonia, supercooled liquid ammonia enters ammonia evaporator again after flow controller step-down cooling, absorb the chilled water heat in the liquefied ammonia evaporation process, and the cold refrigeration is carried to environment in chilled water cooling back; The low pressure ammonia recycle that ammonia evaporator produces is to ammonia subcooler and high-pressure liquid ammonia heat exchange, enter another adsorbent bed through the ammonia steering gear, logical cooling water in the cold pipe of the absorption of adsorbent bed, ammonia are by the absorption of calcium chloride particle, and the thermal desorption that adds of two adsorbent beds carries out with cooling adsorption process cycle alternation.
2, water direct current inner cooling pipe type exhaust heat adsorption refrigerating machine according to claim 1, it is characterized in that: the shell middle part of described adsorbent bed is provided with gas approach, two ends are provided with ammonia chamber and following ammonia chamber respectively, and upper and lower ammonia outside is respectively equipped with upper tank and lower header;
The cold pipe of the absorption of water direct current inner comprises pipe and two ventilating net tubes in cold pipe outer tube, the finned cold pipe, cold pipe outer tube two ends respectively with upper and lower ammonia chamber UNICOM, in the cold pipe two ends of pipe respectively with upper and lower hydroecium UNICOM, be packaged with calcium chloride particle and ventilating net tube between the pipe in cold pipe outer tube and the cold pipe, cold pipe outer tube flows through the high-temperature flue gas heating, pipe water flowing direct current cooling in the cold pipe.
3, water direct current inner cooling pipe type exhaust heat adsorption refrigerating machine according to claim 2 is characterized in that:
Described upper tank place is provided with cooling water inlet, and cooling water inlet is connected with cooling water pump, and cooling water is managed in cooling water valve feeds the cold pipe of two adsorbent beds respectively;
Described lower header place is provided with delivery port, and the cooling water that cooling is finished is discharged through delivery port;
Place, described ammonia chamber down is provided with ammonia and imports and exports, and ammonia is imported and exported and ammonia steering gear UNICOM;
Be provided with exhanst gas outlet above the adsorbent bed shell, the flue gas that heating is finished is discharged through exhanst gas outlet.
4, water direct current inner cooling pipe type exhaust heat adsorption refrigerating machine according to claim 1 is characterized in that: four non-return valves are set, respectively with ammonia import and export, ammonia condenser and the ammonia subcooler UNICOM of two adsorbent beds in the inside of described ammonia steering gear.
5, water direct current inner cooling pipe type exhaust heat adsorption refrigerating machine according to claim 1 is characterized in that: four passwaies of described cross valve are connected with the gas approach and the by pass flue pipeline of smoke discharging pipe, two adsorbent beds respectively.
6, water direct current inner cooling pipe type exhaust heat adsorption refrigerating machine according to claim 1 is characterized in that: described flow controller is two groups of throttling arrangements that can adapt to diesel engine or gas engine operating condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100457340A CN101482343A (en) | 2009-02-03 | 2009-02-03 | Water direct current inner cooling pipe type exhaust heat adsorption refrigerating machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2009100457340A CN101482343A (en) | 2009-02-03 | 2009-02-03 | Water direct current inner cooling pipe type exhaust heat adsorption refrigerating machine |
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| CN101482343A true CN101482343A (en) | 2009-07-15 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104633992A (en) * | 2013-11-13 | 2015-05-20 | 马勒贝洱两合公司 | Thermally driven condenser unit and adsorption heat or refrigeration plant |
| CN108043064A (en) * | 2017-12-29 | 2018-05-18 | 上海蓝科石化环保科技股份有限公司 | A kind of VOCs recovery process and system |
| CN111023230A (en) * | 2019-12-25 | 2020-04-17 | 海南捷信环境工程有限公司 | Multi-tank adsorption type sewage source heat pump |
| WO2023146496A1 (en) * | 2022-01-28 | 2023-08-03 | Piri Reis Universitesi | An adsorption cooling and heating system for use on marine vessel |
-
2009
- 2009-02-03 CN CNA2009100457340A patent/CN101482343A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104633992A (en) * | 2013-11-13 | 2015-05-20 | 马勒贝洱两合公司 | Thermally driven condenser unit and adsorption heat or refrigeration plant |
| CN104633992B (en) * | 2013-11-13 | 2018-11-16 | 马勒国际公司 | The liquefaction unit and absorption type of thermal drivers heat or chiller |
| CN108043064A (en) * | 2017-12-29 | 2018-05-18 | 上海蓝科石化环保科技股份有限公司 | A kind of VOCs recovery process and system |
| CN108043064B (en) * | 2017-12-29 | 2023-10-24 | 上海蓝科石化环保科技股份有限公司 | VOCs recovery process and system |
| CN111023230A (en) * | 2019-12-25 | 2020-04-17 | 海南捷信环境工程有限公司 | Multi-tank adsorption type sewage source heat pump |
| WO2023146496A1 (en) * | 2022-01-28 | 2023-08-03 | Piri Reis Universitesi | An adsorption cooling and heating system for use on marine vessel |
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Open date: 20090715 |