CN2888360Y

CN2888360Y - Refrigerating unit utilizing waste heat of internal combustion engine

Info

Publication number: CN2888360Y
Application number: CNU2006200019545U
Authority: CN
Inventors: 王瑜; 董西贵
Original assignee: 董占忠
Priority date: 2006-01-27
Filing date: 2006-01-27
Publication date: 2007-04-11
Anticipated expiration: 2016-01-27

Abstract

The utility model relates to a combustion engine gas excess heat refrigeration unit, which comprises a heat acquisition device, a generator, a pipeline for transport refrigeration medium, a cooling facility, a heat-exchanger rig and a automatic control system; the heat acquisition device comprises a exhaust switching device, a smoke transmitting pipe, a vice breathing box and a machine for distribute smoke, the main body of the columnar generator is a alloy abnormity tube, at the inwall and the ectotheca of the alloy abnormity tube designed the vertical finned heat exchanger ; the absorbent and the refrigerating medium is filled up between the inwall of the generator and the core of column in the midst of the generator; the pipeline for transmit refrigeration medium comprises a check valve, a control valve, a pipeline for transport refrigeration medium, a liquid storage tank, a evaporator; the cooling facility comprises a pump, a hydraulic pipeline and a solenoid valve ; the heat-exchanger rig comprises a fan and a pipeline for transport cooling water. The unit can save energy effectively, wherein, the unit has no pollution. Besides, the unit can realize stable continous refrigeration, the work cycle is short, the efficiency is high, the refrigerating output is big.

Description

The using waste heat from tail gas of internal combustion engine refrigeration unit

Technical field

It is refrigeration, the aircondition of powered device that the utility model relates to a kind of being widely used in the internal combustion engine, refrigeration plant as steamer, locomotive, automobile etc. relates in particular to a kind of using waste heat from tail gas of internal combustion engine refrigeration unit of utilizing using waste heat from tail gas of internal combustion engine to carry out absorption type refrigerating, air-conditioning.

Background technology

Along with the sharp increase of world's conventional energy resource consumption and going from bad to worse of earth environment; make people more and more pay attention to the saving of the energy and the protection of environment; the Montreal protocol amendment of 1985 " Vienna Convention for the Protection of the Ozone Layer ", nineteen ninety and international pacts such as " Copenhagen amendments " in 1992, the restriction of rules make that the substitution problem of CFC (CFCs) and HCFC (HCFCs) is urgent day by day in the world.Adsorptive refrigeration technology has adapted to the requirement of the current energy and harmonious development.It can adopt the solar energy of low energy densities and used heat to drive, not only the anxiety supply of the energy is played and slowed down effect, and do not use the chloro-fluoro-carbon kind cold-producing medium, no CFCs problem, also not having greenhouse effects, is one of green refrigeration method of 21 century CFC alternative s compression-type refrigeration.But this technology rests on the laboratory pilot scale stage for many years always, does not move towards the commercialization marketization all the time.

Summary of the invention

The purpose of this utility model provides a kind of chloro-fluoro-carbon kind cold-producing medium that do not use, and no CFCs problem does not have greenhouse effects yet, the using waste heat from tail gas of internal combustion engine refrigeration unit of energy-conserving and environment-protective.

For achieving the above object, the technical scheme of employing is as follows:

A kind of using waste heat from tail gas of internal combustion engine refrigeration unit is characterized in: it comprises thermal source harvester, generator, refrigerant transfer pipeline, cooling device, heat-exchanger rig and automatic control system; The thermal source harvester comprises tail gas switching device shifter, defeated smoke pipe, holds smoke box and smoke distribution device, and defeated smoke pipe communicates with the tail gas discharging pipe of internal combustion engine, two hold smoke box respectively with two defeated smoke pipe UNICOMs, in the two appearance smoke boxes smoke distribution device is housed respectively; The tail gas switching device shifter is three butterfly valves, and one is positioned at the rear of defeated smoke pipe connecting port on the tail gas discharging pipe path, and other two butterfly valves are positioned on two defeated smoke pipe paths, and the switching of butterfly valve is by automatic controlling system; Generator is the column of sealing, and the generator main body of column is an alloy shape tube, and the inside and outside wall design of alloy shape tube has vertical heat exchange fin; The generator middle part is a netted post core, is filled with adsorbent and cold-producing medium between post core and generator inwall, also is connected with the refrigerant transfer pipeline on the generator; The refrigerant transfer pipeline comprises check-valves, control valve, conveying pipe of refrigerant, fluid reservoir, evaporimeter, the refrigeration pipe transfer pipeline is set out by generator and enters fluid reservoir through check-valves, condenser, enter evaporimeter through behind the control valve then, after the heat-exchanger rig heat absorption, conveying pipe of refrigerant is after the initiating terminal UNICOM of check-valves and conveying pipe of refrigerant at cold-producing medium; Cooling device comprises water pump, hydraulic pipeline and magnetic valve, and hydraulic pipeline lays respectively at and holds the smoke box both sides, and water pump is positioned at an end of hydraulic pipeline, and magnetic valve is positioned on the hydraulic pipeline, and it is by automatic controlling system; Heat-exchanger rig is blower fan and chilled water transfer pipeline.

In such scheme, the heat exchange fin on the generator alloy gold shape tube outer wall is the clockwise direction spiral, and the heat exchange fin on the inwall is spiral counterclockwise, and the quincunx arrangement of aerodynamic is adopted in tube bank.

In such scheme, to the cooling device of generator cooling adopt down, on go out overflow type and force to cool off.

In such scheme, all adpting flanges of cooling medium transfer pipeline all adopt the tongue and groove structure and install gasket seal additional.

In such scheme, the control valve on the refrigerant transfer pipeline is the mechanical compression throttling pressure regulator valve of control automatically.

Utility model adopts exhaust gases of internal combustion engines to the direct mode of heating of generator, cold-producing medium, the cold-producing medium in the adsorbent complex compound in the generator are come out with gaseous state mode desorption, become liquid state through the condenser cooling and enter fluid reservoir, liquid refrigerant enters evaporimeter through the control valve gasification and absorbs the heat refrigeration, evaporimeter is transported to blower fan by the refrigerant medium circulation with cold energy, by the blower fan exchange cold energy is delivered to cool room again, simultaneously evaporimeter is returned in the torrid zone.Get back to another group generator from the gas refrigerant that evaporimeter comes out by check-valves, formed new cold-producing medium, adsorbent complex compound, finish the refrigeration cycle by the adsorbents adsorb in the generator.

Two generators that hold in the smoke box take turns to operate, and when a generator is heated by exhaust gases of internal combustion engines, by cooling device cooling water are squeezed into to hold in the smoke box another generator carried out and cool; Heated by exhaust gases of internal combustion engines after the cooling, simultaneously, first generator is cooled by cooling device again, and everything all is that automatic control system realizes by butterfly valve in the control tail gas switching device shifter and the magnetic valve in the cooling system.

Each generator causes cold-producing medium desorption and cooling to cause cold-producing medium absorption the time all can produce pressure being heated, because the effect of check-valves, cold-producing medium is done one-way movement in the refrigerant transfer pipeline.

The utility model adopts ammonia-calcium chloride absorption refrigeration working medium, and cold-producing medium circulation automatically in pipeline, and its energy only relies on the waste heat of exhaust gases of internal combustion engines, not additive decrementation fuel oil or influence combustion engine powered, very energy-conservation.Simultaneously, also very environmental protection of its working media environmentally safe.In addition, work by turns by the automatic controlling system multigenerator and can realize stable continuous refrigeration, adopt overflow type force the type of cooling work period short, efficient is high, refrigerating capacity is big.

The utility model is described in further detail below in conjunction with drawings and Examples.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the structural representation of generator among Fig. 1.

Fig. 3 is the profile of the alloy shape tube of generator among Fig. 2.

The specific embodiment

In as Fig. 1, Fig. 2, embodiment shown in Figure 3, a kind of using waste heat from tail gas of internal combustion engine refrigeration unit, it comprises thermal source harvester, generator, refrigerant transfer pipeline, cooling device, heat-exchanger rig and automatic control system; The thermal source harvester comprises tail gas switching device shifter, defeated smoke pipe 6, holds smoke box 7 and smoke distribution device 17, defeated smoke pipe 6 communicates with the tail gas discharging pipe 5 of internal combustion engine, two hold smoke box 7 respectively with two defeated smoke pipe 6 UNICOMs, two hold smoke box respectively is equipped with a smoke distribution device 17 for 7 li, and smoke distribution device 17 is evenly distributed after making flue gas enter the appearance smoke box; The tail gas switching device shifter is three butterfly valves 9, one on tail gas discharging pipe 5 paths, be positioned at the rear of defeated smoke pipe connecting port, control the tail gas emptying or prolong defeated smoke pipe and enter appearance cigarette smoke box, other two butterfly valves 9 are positioned on two defeated smoke pipe paths two of controls to be held smoke boxes and imports tail gas in turn, and the switching of butterfly valve is by automatic controlling system; Generator 8 is the column of sealing, the generator main body of column is an alloy abnormity type pipe, the inside and outside wall design of alloy shape tube has vertical heat exchange fin 19, heat exchange fin on the generator alloy gold shape tube outer wall is the clockwise direction spiral, heat exchange fin on the inwall is spiral counterclockwise, and the quincunx arrangement of aerodynamic is adopted in tube bank; Generator 8 middle parts are a netted post core, are filled with adsorbent 18 and cold-producing medium between post core and generator inwall, and cold-producing medium adopts ammonia, and calcium chloride is adopted in absorption, also is connected with the refrigerant transfer pipeline on the generator 8; The refrigerant transfer pipeline comprises check-valves, control valve 14, conveying pipe of refrigerant 10, condenser 15, fluid reservoir 13, evaporimeter 12, the refrigerant transfer pipeline is set out by generator 8 and enters fluid reservoir 13 through check-valves, condenser 15, enter evaporimeter 12 behind the throttling pressure regulator valve 14 through the automatic control of mechanical compression then, at cold-producing medium after heat-exchanger rig heat absorption, conveying pipe of refrigerant 10 is after the initiating terminal UNICOM of check-valves and refrigerant transfer pipeline, and all adpting flanges of cooling medium transfer pipeline all adopt the tongue and groove structure and install gasket seal additional.Cooling device comprises water pump 16,

hydraulic pipeline

1,3 and magnetic valve 2, and

hydraulic pipeline

1,3 lays respectively at and holds smoke box 7 two ends, and water pump 16 is positioned at an end of hydraulic pipeline, and

magnetic valve

2,4 is positioned on the

hydraulic pipeline

1,3, and it is by automatic controlling system; Cooling device to generator cooling adopts down, on go out overflow type and force cooling, realize the alternately cooling of two generators, the circulation of water pump and hydraulic pipeline realization cooling water by the automatic controlling system magnetic valve.Heat-exchanger rig comprises blower fan and chilled water transfer pipeline 11.Automatic control system is made up of power module, single-chip microcomputer, input/output module, Executive Module, display module.It mainly by control three butterfly valves and four magnetic valves just two groups of generators replace heating and cooling, reach the purpose of continuous cooling.

The number of generator also can adopt more than two in reasonable range in the utility model, but this all should be considered as falling within the protection domain of the present utility model.

Claims

1, a kind of using waste heat from tail gas of internal combustion engine refrigeration unit is characterized in that: it comprises thermal source harvester, generator (8), refrigerant transfer pipeline, cooling device, heat-exchanger rig and automatic control system; The thermal source harvester comprises tail gas switching device shifter, defeated smoke pipe (6), holds smoke box (7) and smoke distribution device (17), defeated smoke pipe (6) communicates with the tail gas discharging pipe (5) of internal combustion engine, two hold smoke boxes (7) respectively with two defeated smoke pipes (6) UNICOM, two hold smoke box (7) linings respectively is equipped with a smoke distribution device (17); The tail gas switching device shifter is three butterfly valves (9), and one is positioned at the rear of defeated smoke pipe connecting port on the tail gas discharging pipe path, and other two butterfly valves are positioned on two defeated smoke pipe paths, and the switching of butterfly valve is by automatic controlling system; Generator (8) is the column of sealing, and the generator main body of column is an alloy abnormity type pipe, and the inside and outside wall design of alloy shape tube has vertical heat exchange fin (19); The generator middle part is a netted post core, is filled with adsorbent (18) and cold-producing medium between post core and generator inwall, also is connected with the refrigerant transfer pipeline on the generator; The refrigerant transfer pipeline comprises check-valves, control valve (14), conveying pipe of refrigerant (10), condenser (15), fluid reservoir (13), evaporimeter (12), the refrigerant transfer pipeline is set out by generator and enters fluid reservoir (13) through check-valves, condenser (15), enter evaporimeter (12) after passing through control valve (14) then, after the heat-exchanger rig heat absorption, conveying pipe of refrigerant (10) is after the initiating terminal UNICOM of check-valves and refrigerant transfer pipeline at cold-producing medium; Cooling device comprises water pump (16), hydraulic pipeline (1,3) and magnetic valve (2,4), and water pump (16) is positioned at an end of hydraulic pipeline, and magnetic valve (2,4) is positioned on the hydraulic pipeline (1,3), and it is by automatic controlling system; Heat-exchanger rig comprises blower fan and chilled water transfer pipeline (11).

2, a kind of using waste heat from tail gas of internal combustion engine refrigeration unit according to claim 1, it is characterized in that: the heat exchange fin on the generator alloy gold shape tube outer wall is the clockwise direction spiral, heat exchange fin on the inwall is spiral counterclockwise, and the quincunx arrangement of aerodynamic is adopted in tube bank.

3, according to claim 1 or 2 described a kind of using waste heat from tail gas of internal combustion engine refrigeration unit, it is characterized in that: the cooling device to generator (8) cooling adopts down, on go out overflow type and force to cool off.

4, according to claim 1 or 2 described a kind of using waste heat from tail gas of internal combustion engine refrigeration unit, it is characterized in that: all adpting flanges of cooling medium transfer pipeline all adopt the tongue and groove structure and install gasket seal additional.

5, a kind of using waste heat from tail gas of internal combustion engine refrigeration unit according to claim 3 is characterized in that: the throttling pressure regulator valve that the control valve (14) on the cold medium transport pipeline is controlled automatically for mechanical compression.