CN101338954A - Truck tail gas adsorption refrigeration air conditioner for operator cabin - Google Patents
Truck tail gas adsorption refrigeration air conditioner for operator cabin Download PDFInfo
- Publication number
- CN101338954A CN101338954A CNA2008100487182A CN200810048718A CN101338954A CN 101338954 A CN101338954 A CN 101338954A CN A2008100487182 A CNA2008100487182 A CN A2008100487182A CN 200810048718 A CN200810048718 A CN 200810048718A CN 101338954 A CN101338954 A CN 101338954A
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- cooling water
- ammonia
- tail gas
- valve group
- cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H1/3201—Cooling devices using absorption or adsorption
- B60H1/32011—Cooling devices using absorption or adsorption using absorption, e.g. using Li-Br and water
Abstract
The invention relates to a cab air conditioner used for adsorbing the tail gas of a truck to cool, comprising generators, a condenser, a liquid receiver, a throttle, an air conditioner of an air cooler containing ammonia, a desorption check valve unit, an adsorption check valve unit, a tail gas input programmable valve unit, a cooling water input programmable valve unit, a PLC programmable controller, a cooling water storage tank, a water pump and a chiller which are communicated by a pipeline valve into a loop; the PLC programmable controller is used for programmable controlling; the tail gas of a truck engine is used for heating and desorbing one of the generators; circulating cooling water is used for cooling and adsorbing the other two generators, thus forming three generator adsorption cooling systems, and further forming desorption and adsorption circulation of ammonia; the cooling circulation of ammonia drives the ammonia cooling fan to cool the truck cab. The air conditioner of the invention combines a multi-generator adsorption cooling system and high-temperature adsorbent, and still effectively realizes adsorption and cooling under the conditions that the cooling water is higher than air temperature, and realizes the air-cooled circulation of cooling water for the generators.
Description
Technical field
The present invention relates to a kind of absorbing refrigeration system that belongs to refrigeration technology field, specifically is a kind of truck tail gas adsorption refrigeration air conditioner for operator cabin.
Background technology
The absorption refrigeration technology can utilize waste heat to carry out absorption refrigeration, has the important meaning of energy-conservation, reduction of discharging and environmental protection.Along with the fast development of highway transportation, the recoverable amount of truck and distance travelled are more and more, and most truck cap does not have air conditioner facility, the long-distance driving in summer, and the truck driver and conductor endures the hardship of the high temperature of driver's cabin to the fullest extent.Adsorptive refrigerating system with multiple generators can utilize the heat energy of truck engine tail gas to carry out absorption refrigeration on principle, and making the absorption refrigeration air conditioner is the truck cap cooling.But cooling water is a difficult problem, and adsorptive refrigerating system with multiple generators needs a large amount of cooling waters, and truck is in operation and can not carries a large amount of cooling waters, and the cooling of generator is difficult to carry out effectively in the absorbing refrigeration system thereby make.If on the basis of adsorptive refrigerating system with multiple generators, improve, improve adsorption temp significantly, and to the cooling water cooling of storing and circulate, guarantee that cooling water temperature is in the higher a certain temperature limit of relative temperature temperature, structure with traditional similar air-cooled water tank, with regard to realizing cooling water is carried out cool cycles, and make water temperature be unlikely too high target.If can invent the use that matches with it of the new adsorbent of a kind of adsorption temp rising significantly, then such cooling water difficult problem just can solve, and the imagination of truck tail gas adsorption refrigeration air conditioner for operator cabin just can become a reality.
Summary of the invention
Key of the present invention is to solve the development problem and the cooling water that have higher adsorption temp adsorbent in the adsorptive refrigerating system with multiple generators and stores and circulation cooling problem.Existing adsorbent, adsorption temp is lower altogether, generally all is lower than the temperature in summer, just all is lower than 35 ℃.When being higher than 35 ℃, its adsorption capacity significantly descends.And the adsorbent that truck tail gas adsorption refrigeration air conditioner for operator cabin adopted, its adsorption temp must preferably can still have stronger adsorption capacity apparently higher than temperature in the time of 60～80 ℃.This just needs the development new adsorbent." the polynary combined high temperature type adsorbent " of Wuhan Yunhe Dingyu Refrigeration Technology Co., Ltd.'s development, its adsorption temp still has very strong adsorption capacity up to 90～100 ℃ when cooling water temperature is 60～80 ℃.The appearance of this new adsorbent has solved a difficult problem that improves adsorption temp significantly.In summer, when temperature during up to 35 ℃, it is inconvenient wanting to make the cooling water of adsorptive refrigerating system with multiple generators to remain on below 35 ℃, and wants to make the cooling water of adsorptive refrigerating system with multiple generators to remain on 50～80 ℃, then is to realize easily.Adopt the heat exchanger of similar radiator of car engine, to the heat exchanger cooling of drying, the cooling water through over-heat-exchanger is cooled with fan in wind, it is fully feasible that temperature is reduced to below 80 ℃.By above-mentioned hydronic principle, to the cooling that circulates of the employed cooling water of adsorptive refrigerating system with multiple generators, adsorptive refrigerating system with multiple generators is normally moved, thereby two big technical barriers of truck tail gas adsorption refrigeration air conditioner for operator cabin have solved like this, and truck tail gas adsorption refrigeration air conditioner for operator cabin just becomes fully feasible on principle.
The present invention is achieved through the following technical solutions: truck tail gas adsorption refrigeration air conditioner for operator cabin, comprise three generators (1,2,3), condenser 4, reservoir 5, choke valve 6, the air conditioner 7 that contains ammonia air-cooler 8, desorb check valve group 9, absorption check valve group 10, tail gas input sequencing valve group 11, cooling water input sequencing valve group 12, PLC Programmable Logic Controller 13, cooling water storage tank 14, water pump 15, cooler 16, fan 17, the outlet of the ammonia cryogen of each generator is communicated with the ammonia cryogen arrival end of condenser 4 through desorb check valve group 9 in three generators, the ammonia cryogen port of export of condenser 4 is communicated with the inlet of fluid reservoir 5, and the inlet of the ammonia air-cooler 8 of fluid reservoir 5 ports of export in choke valve 6 and the air conditioner 7 that contains ammonia air-cooler 8 is communicated with, the ammonia cryogen port of export of ammonia air-cooler 8 is communicated with the ammonia cryogen import of generator separately respectively through absorption check valve group 10, PLC Programmable Logic Controller 13 is connected with cooling water input sequencing valve group 12 with tail gas input sequencing valve group 11 respectively, tail gas input sequencing valve group 11 is connected with three generators respectively with cooling water input sequencing valve group (12), cooling water pipe connects into the loop through cooling water input sequencing valve group 12 with each generator, the tail gas input pipe connects into the loop through tail gas input sequencing valve group 11 with each generator, cooling water input sequencing valve group 12 successively with cooling water storage tank 14, water pump 15, cooler 16, condenser 4 connects into the loop, and fan 17 is installed on the cooler 16.Generator, condenser, reservoir, choke valve, the air conditioner that contains the ammonia air-cooler, desorb check valve group, absorption check valve group, tail gas input sequencing valve group, cooling water input sequencing valve group, PLC Programmable Logic Controller, cooling water storage tank, water pump, cooler, fan can be bought from the market and obtain.
The PLC Programmable Logic Controller carries out programme-control, utilizes cooling water storage tank 14, water pump 15, cooler 16,17 pairs of cooling waters of fan circulate and cool off and storage, and supply with cooling water input sequencing valve group 12 with cooling water, and the cooling water after using is back to cooling water storage tank 14.Make the cooling water temperature that enters generator not be higher than 80 ℃ with the cocycle cooling; Utilize the new adsorbent of filling in the generator, this new adsorbent is made up of following raw materials by weight: strontium bromide 60～90%, strontium chloride 8～31%, additive 2～9%.Additive is that lithium rhodanate or lithium rhodanate and lithium nitrate are 1: 1～2 mixture by mass ratio.The state of lithium rhodanate, lithium nitrate is a pulverulence, and purity is pure for analyzing.Each composition of above-mentioned raw material is analyzes pure or chemical pure, and state is a pressed powder.Adsorption temp is up to 90～100 ℃, and the cooling water below 80 ℃ has very strong cooling capacity, thereby makes adsorbent have stronger adsorption capacity.Because the characterization of adsorption of this new adsorbent, adsorptive refrigerating system with multiple generators is 60～80 ℃ at cooling water temperature and can normally turns round.The above-mentioned circulating cooling system and the employing of new adsorbent, solved the generator cooling difficult problem in the adsorptive refrigerating system with multiple generators that is installed on the truck, adsorptive refrigerating system with multiple generators is used in becomes possibility on the truck, make truck tail gas adsorption refrigeration air conditioner for operator cabin become possibility.Calculating shows that the heat energy of truck engine tail gas is that enough, key is the supply of cooling water fully.As cooler, be equipped with corresponding electric fan with the water tank of a small and medium-sized car again, the temperature of the recirculated cooling water that is produced and quantity are enough to satisfy the needs of generator cooling.Three concrete ruuning situations of system of truck tail gas adsorption refrigeration air conditioner for operator cabin are as follows:
Truck engine exhaust heat-energy input system
Receive tail gas input sequencing valve group 11 by the truck engine exhaust pipe, and under the control of PLC Programmable Logic Controller 13, to 1 generator input tail gas in three generators (1,2,3), tail gas emits discharge heat energy in generator after by setup program.
The cooling water input system
Be stored in the cooling water storage tank 14 through hydronic cooling water, under the driving of water pump 15, cooling water is carried out cool cycles, and be transported in condenser and the generator, cooling water arrives first cooling water input sequencing valve group 12, and under the control of PLC Programmable Logic Controller 13, by setup program to three generators (1,2,3) 2 generator input cooling waters in, cooling water heats up after heat exchange has absorbed heat of adsorption in these 2 generators, is back in the cooling water storage tank 14 again, continues to participate in cool cycles.
The ammonia refrigeration circulatory system
Under the control of PLC Programmable Logic Controller 13, by three generators (1,2,3) ammonia gas that 1 generator in produces enters condenser 4 through desorb check valve group 9 and is condensed into liquid ammonia, liquid ammonia enters reservoir 5 and stores, and liquid ammonia enters the ammonia air-cooler through choke valve, and liquid ammonia is evaporated to gaseous ammonia and realizes refrigeration in the ammonia air-cooler, refrigerating capacity blows in the driver's cabin with the cold wind form, realizes the driver's cabin air cooling-down.The ammonia that is evaporated to gaseous ammonia enters in the generator of the state of cooling through absorption check valve group 10.By the PLC Controlled by Programmable Controller, in three generators (1,2,3), make 2 generators be in the cooling adsorbed state.So far, the gaseous ammonia that comes out from generator has been finished the cyclic process of ammonia through condensation one liquid storage-throttling-be adsorbed, and has realized air conditioner refrigerating simultaneously.
In sum, three systems of truck tail gas adsorption refrigeration air conditioner for operator cabin: exhaust heat-energy input system, cooling water input system, the ammonia refrigeration circulatory system are under the control of PLC Programmable Logic Controller, by the orderly function of formulation program, three systems condition each other, rely on mutually, guarantee the normal operation of truck tail gas adsorption refrigeration air conditioner for operator cabin, be reached for the purpose of truck cap air cooling-down.For using water wisely, cooling water is recycled, and cooler 16 cooling that circulates is set, utilize high temperature type absorbent to have the characteristic of higher adsorption temp, implement the circulation of cooling water is cooled off with cooling air mode, coolant water temperature is remained on below 80 ℃, guarantee that truck tail gas adsorption refrigeration air conditioner for operator cabin carries out normal absorption refrigeration, reaches the air conditioner refrigerating requirement.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
Be described further below in conjunction with accompanying drawing.
A kind of truck engine tail gas adsorption refrigeration air conditioner for operator cabin, its structure as shown in Figure 1.Truck tail gas adsorption refrigeration air conditioner for operator cabin, comprise three generators (1,2,3), condenser 4, reservoir 5, choke valve 6, the air conditioner 7 that contains ammonia air-cooler 8, desorb check valve group 9, absorption check valve group 10, tail gas input sequencing valve group 11, cooling water input sequencing valve group 12, PLC Programmable Logic Controller 13, cooling water storage tank 14, water pump 15, cooler 16, fan 17, the outlet of the ammonia cryogen of each generator is communicated with the ammonia cryogen arrival end of condenser 4 through desorb check valve group 9 in three generators, the ammonia cryogen port of export of condenser 4 is communicated with the inlet of fluid reservoir 5, and the inlet of the ammonia air-cooler 8 of fluid reservoir 5 ports of export in choke valve 6 and the air conditioner 7 that contains ammonia air-cooler 8 is communicated with, the ammonia cryogen port of export of ammonia air-cooler 8 is communicated with the ammonia cryogen import of generator separately respectively through absorption check valve group 10, PLC Programmable Logic Controller 13 is connected with cooling water input sequencing valve group 12 with tail gas input sequencing valve group 11 respectively, tail gas input sequencing valve group 11 is connected with three generators respectively with cooling water input sequencing valve group 12, cooling water pipe connects into the loop through cooling water input sequencing valve group 12 with each generator, the tail gas input pipe connects into the loop through tail gas input sequencing valve group 11 with each generator, cooling water input sequencing valve group 12 successively with cooling water storage tank 14, water pump 15, cooler 16, condenser 4 connects into the loop, and fan 17 is installed on the cooler 16.Carrying out programme-control by the PLC Programmable Logic Controller, is the energy with the truck engine exhaust heat-energy, heats 1 generator in three generators (1,2,3), makes it to be in the heating desorption state.The ammonia that desorbs carries out the circulation of condensation-evaporation-absorption, thereby realizes air conditioner refrigerating.Entering cooler 16 with the water in the cooling water storage tank 14 under water pump 15 drives is cooled, condenser and three generators (1 continue to flow through, 2,3) 2 generators in, make these 2 generators be in the cooling adsorbed state, absorption realizes the circulation of ammonia from the ammonia that is evaporated in the ammonia air-cooler, realizes absorption refrigeration simultaneously.Cooling water recycles, and the cooling water that flows out from generator is got back in the cooling water storage tank 14, in order to the next round cool cycles.Below with regard to three systems in the truck tail gas adsorption refrigeration air conditioner for operator cabin: the ruuning situation of motor exhaust input system, cooling water recirculation system, the ammonia refrigeration circulatory system is described further.
The adsorbent that loads in the generator is for by weight percentage: strontium bromide 60%, strontium chloride 31%, lithium rhodanate 9%.
---the motor exhaust input system
The motor exhaust that is used for this air conditioner can be a diesel motor exhaust, also can be petrol engine tail gas, and engine power should be more than 100KW.Tail gas among motor exhaust comb access the present invention is imported program control sequencing valve group 11, this sequencing valve group 11 guarantees that truck engine tail gas is in the unimpeded state of exhaust all the time, when generator is worked, power output and fuel consumption for truck engine all do not have influence, just truck engine tail gas is introduced in the generator among the present invention as thermal source, driven the absorbing refrigeration system operation.Truck engine tail gas is when flowing through generator, and its heat energy is utilized, and the tail gas after the cooling is discharged from the generator smoke exhaust pipe.The input of truck engine tail gas is under the control of PLC control 13 able to programme, control and distribute by tail gas input sequencing valve group 11 concrete enforcements, make tail gas be input to three generators (1 by setup program, 2,3) 1 generator in makes this 1 generator be in the desorb of heating desorption state and goes out gaseous ammonia.PLC Programmable Logic Controller 13 is controlled tail gas by setup program and is imported program control marshalling 11, make it to switch by setup program, make 1 generator that is in the heating desorption state originally switch to the cooling adsorbed state, make 1 generator in 2 generators that are in the cooling adsorbed state originally switch to the heating desorption state.Switching result remains and has only 1 generator to be in the heating desorption state in 3 generators, and all the other 2 generators are in the cooling adsorbed state.
---cooling water recirculation system
The cooling water that is used for this air conditioner is stored in cooling water storage tank 14, because truck can not carry a large amount of cooling waters in running status, can only store hundreds of kilograms cooling water in the cooling water storage tank 14.For guarantee cooling water in use temperature be not higher than 80 ℃.Need be to the cooling water cooling that circulates.Cooler 16 and fan 17 are born the refrigerating function to cooling water, to guarantee that its temperature is not higher than 80 ℃, water pump 15 pumps cooling water from cooling storage tank 14, be sent to cooler 16, cooler 16 is the air cooling equipment of similar radiator, by the 16 blowing refrigeration of 17 pairs of coolers of fan, the heat of cooling water in the cooler 16 is dispersed in the air rapidly.Be no more than under 35 ℃ of conditions in air themperature, cooler 16 is worked under fan 17 air-cooled conditions, guarantees in the cooler 16 that it is fully possible that cooling water temperature is not higher than 80 ℃.
Cooling water is under the driving of water pump 15, after subcooler 16 is cooled, be introduced in the condenser 4, the gaseous ammonia of the heating status of coming out from generator is carried out condensation, cooling water goes out condenser 4 and enters cooling water input sequencing valve group 12, press the control program of PLC Programmable Logic Controller 13, cooling water is input to 2 generators in three generators (1,2,3), make these 2 generators be in the cooling adsorbed state, absorption is from the gaseous ammonia that is evaporated in the ammonia air-cooler 8.In these 2 generators, cooling water absorbs the heat of adsorption in the generator and heats up, and the cooling water after the intensification is back to from generator in the cooling water storage tank 14, in order to next round circulation cooling.
---the ammonia refrigeration circulatory system
The ammonia cryogen that is used for this air conditioner is by producing in the generator.1 generator in three generators (1,2,3) is in the heating desorption state, produces gaseous ammonia, and gaseous ammonia enters condenser 4 through desorb check valve group 9 and is condensed into liquid ammonia, and liquid ammonia flows in the reservoir 5 and stores.Liquid ammonia in the reservoir 5 enters ammonia air-cooler 8 through choke valve, and liquid ammonia is sweat cooling in ammonia air-cooler 8, and its refrigerating capacity is sent in the truck cap, is the driver's cabin cooling.The gaseous ammonia that is evaporated in ammonia air- cooler 8,2 generators that are in the state of cooling through absorption check valve group 10 enters in three generators (1,2,3) are adsorbed.So far, ammonia has been finished the absorption refrigeration circulation of ammonia by gaseous state-condensation storage-throttling-evaporation-gaseous state-absorption, has produced the air conditioner refrigerating effect simultaneously.
More than constitute three systems of truck tail gas adsorption refrigeration air conditioner: motor exhaust input system, cooling water recirculation system, the ammonia refrigeration circulatory system are under the control of PLC Programmable Logic Controller 13, turn round by setup program, three systems condition each other, rely on mutually, assurance is the normal operation of the absorption refrigeration air conditioner of thermal source with truck engine tail gas, for truck cap provides air-conditioning temperature-reducing.The characteristics of this truck tail gas adsorption refrigeration air conditioner are: utilize truck tail gas to carry out air conditioner refrigerating; Cooling water recycles, and is cooling water temperature with the air cooling way; The absorption operating temperature raises significantly, can reach adsorption effect, can save cooling water again, and the absorption refrigeration effect that is produced can satisfy the requirement of truck cap air-conditioning temperature-reducing fully, takes condition for the truck driver and conductor provides comfortable air-conditioning.This truck tail gas absorption system air conditioner for operator cabin is to be the novel product of the energy with the truck tail gas, has the great social effect of energy-saving and environmental protection and the use value of reality, simultaneously, this air conditioner principle is reliable, simple in structure, the no movement parts of main frame, be fit to the operation conditions of truck, and cost is low, being convenient to produce by batch and install on truck, is the first-selected product of energy conservation environmental protection air conditioner machine on the truck.
Claims (2)
1, truck tail gas adsorption refrigeration air conditioner for operator cabin, comprise three generators (1,2,3), condenser (4), reservoir (5), choke valve (6), the air conditioner (7) that contains ammonia air-cooler (8), desorb check valve group (9), absorption check valve group (10), tail gas input sequencing valve group (11), cooling water input sequencing valve group (12, PLC Programmable Logic Controller (13), cooling water storage tank (14), water pump (15), cooler (16), it is characterized in that: the outlet of the ammonia cryogen of each generator is communicated with the ammonia cryogen arrival end of condenser (4) through desorb check valve group (9) in described three generators, the ammonia cryogen port of export of condenser (4) is communicated with the inlet of fluid reservoir (5), and the inlet of the ammonia air-cooler (8) of fluid reservoir (5) port of export in choke valve (6) and the air conditioner that contains ammonia air-cooler (8) (7) is communicated with, the ammonia cryogen port of export of ammonia air-cooler (8) is communicated with the ammonia cryogen import of generator separately respectively through absorption check valve group (10), PLC Programmable Logic Controller (13) is connected with cooling water input sequencing valve group (12) with tail gas input sequencing valve group (11) respectively, tail gas input sequencing valve group (11) is connected with three generators respectively with cooling water input sequencing valve group (12), cooling water pipe connects into the loop through cooling water input sequencing valve group (12) and each generator, the tail gas input pipe connects into the loop through tail gas input sequencing valve group (11) and each generator, cooling water input sequencing valve group (12) successively with cooling water storage tank (14), water pump (15), cooler (16), condenser (4) connects into the loop.
2, truck tail gas adsorption refrigeration air conditioner for operator cabin according to claim 1 is characterized in that: go up at cooler (16) fan (17) is installed.
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| CNA2008100487182A CN101338954A (en) | 2008-08-07 | 2008-08-07 | Truck tail gas adsorption refrigeration air conditioner for operator cabin |
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| CNA2008100487182A CN101338954A (en) | 2008-08-07 | 2008-08-07 | Truck tail gas adsorption refrigeration air conditioner for operator cabin |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115460A (en) * | 2013-01-18 | 2013-05-22 | 舟山市机械设计研究所 | Adsorption cooling equipment capable of automatically adjusting pressure and supplying liquid |
| CN104676945A (en) * | 2015-02-13 | 2015-06-03 | 福建工程学院 | Vehicle exhaust afterheat utilization-based adsorption air conditioning device |
| CN104890474A (en) * | 2015-06-04 | 2015-09-09 | 广东美的制冷设备有限公司 | Vehicular air conditioner and vehicle |
| 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 |
| CN112907921A (en) * | 2021-04-25 | 2021-06-04 | 张�杰 | Monitoring and early warning equipment based on smart city big data |
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2008
- 2008-08-07 CN CNA2008100487182A patent/CN101338954A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115460A (en) * | 2013-01-18 | 2013-05-22 | 舟山市机械设计研究所 | Adsorption cooling equipment capable of automatically adjusting pressure and supplying liquid |
| CN103115460B (en) * | 2013-01-18 | 2015-08-26 | 舟山金瀛制冷科技有限公司 | A kind of absorption refrigeration equipment of self-pressure regulating feed flow |
| CN104676945A (en) * | 2015-02-13 | 2015-06-03 | 福建工程学院 | Vehicle exhaust afterheat utilization-based adsorption air conditioning device |
| CN104890474A (en) * | 2015-06-04 | 2015-09-09 | 广东美的制冷设备有限公司 | Vehicular air conditioner and vehicle |
| CN104890474B (en) * | 2015-06-04 | 2017-12-19 | 广东美的制冷设备有限公司 | Auto air-con and vehicle |
| 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 |
| CN112907921A (en) * | 2021-04-25 | 2021-06-04 | 张�杰 | Monitoring and early warning equipment based on smart city big data |
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Open date: 20090107 |