The de-electric fruits and vegetables temperature of packaged type intensifies treatment systemTechnical field
The invention belongs to fruits and vegetables pretreatment and fresh-keeping field, more particularly, relate to a kind of combustion gas or fuel engines of utilizing and drive thermodynamics inverse circulation systerm to realize the removable system of fruits and vegetables being carried out to varying strength cold shock processing and heat shock processing.
Background technology
Along with the pay attention to day by day of people to healthy and food security, the fruits and vegetables temperature with advantages such as nontoxic, pollution-free, noresidues intensifies processing (comprising cold shock processing and heat shock processing) and day by day receives publicity.It is reported, cold shock is processed mainly and is realized with the mixture of ice and water of certain volume ratio, and complex operation, takes time and effort.The shared volume ratio of mixture of ice and water medium floe is generally larger, seriously reduced the available volume of fruits and vegetables holding tanks, and water medium floe easily causes physical damnification to fruit and vegetable surfaces.In addition, required ice cube is produced by power-actuated refrigeration system, consumes a large amount of high-grade electric energy.Heat shock is processed and mainly by electric-heating water, is realized, and also expends a large amount of high-grade energy.In addition, after fruit and vegetable picking, preferably carry out immediately temperature and intensify processing to obtain best fresh-keeping effect, yet, be generally positioned at outlying district fruit and vegetable picking, be not easy to the application that fruits and vegetables temperature intensifies processing.At present, fruits and vegetables temperature intensifies processes the rare report of relevant device, and therefore designing a kind of fruits and vegetables temperature energy-efficient, applying flexible intensifies treating apparatus, becomes one of the active demand in China's preserving fruit and vegetable utilizing field.
Summary of the invention
Technical purpose of the present invention is to overcome prior art, overcome the deficiency that fruits and vegetables temperature intensifies processing aspect, provide a kind of based on combustion gas the de-electric fruits and vegetables temperature of packaged type of the inverse circulation systerm that drives of fuel engines intensify treatment system, with solve in China's fruits and vegetables preprocessing process, lack energy-efficient, apply the problem of special purpose device easily, promote fruits and vegetables temperature to intensify research and the practical application of processing.
Technical purpose of the present invention is achieved by following technical proposals:
The de-electric fruits and vegetables temperature of packaged type intensifies treatment system structure, comprises fruits and vegetables holding tank, circulating pump, First Heat Exchanger, the second heat exchanger, throttling arrangement, four-way change-over valve, compressor, driving-belt, engine, carrying vehicle.
Described the second heat exchanger is selected air cooling heat exchanger, with an import and an outlet; Described First Heat Exchanger is selected the heat exchanger with two imports and two outlets, i.e. two heat exchangers that enter scene 2 formula; Described engine is selected gas engine or fuel engines, can directly use vehicle-mounted engine or non-vehicle-mounted engine, and above system is carried by carrying vehicle.
By engine, driving-belt, compressor, four-way change-over valve, the second heat exchanger, the thermodynamics inverse circulation systerm that throttling arrangement and First Heat Exchanger form, in thermodynamics inverse circulation systerm, compressor is connected with engine by driving-belt, an import of First Heat Exchanger is connected with four-way change-over valve pipeline with throttling arrangement respectively with an outlet, throttling arrangement is connected with the second heat exchange manifold, the second heat exchanger is connected with four-way change-over valve pipeline, the air inlet of compressor is connected with four-way change-over valve pipeline respectively with exhaust outlet, like this, passed through to adjust the state of four-way change-over valve, to realize the circulation of the different directions of cold-producing medium in this system, described cold-producing medium is selected this area general refrigerant.
The fruits and vegetables treatment system being connected to form successively by First Heat Exchanger, circulating pump and fruits and vegetables holding tank, in described fruits and vegetables treatment system, another group import of First Heat Exchanger is connected with circulating pump, fruits and vegetables storage box pipeline respectively with outlet, circulating pump is connected with fruits and vegetables holding tank pipeline, in this system, selects water as treatment media.
Utilize the de-electric fruits and vegetables temperature of packaged type of the present invention to intensify treatment system, by four-way change-over valve, change with two kinds of mode operations:
The first pattern (cold shock tupe): four-way change-over valve is set, exhaust outlet of compressor is communicated with air cooling heat exchanger, air entry is connected with First Heat Exchanger; Start combustion gas fuel engines, the treatment media (water) that the First Heat Exchanger of take is flowed through as evaporator cools, from exhaust outlet of compressor high temperature and high pressure gaseous refrigerant out after air cooling heat exchanger heat exchange, after throttling arrangement, enter First Heat Exchanger treatment media (water) is lowered the temperature, flow out First Heat Exchanger and flow back to compressor inlet by four-way change-over valve.Water in fruits and vegetables holding tank flows into First Heat Exchanger and is cooled to temperature requiredly under the effect of circulating pump, flows into fruits and vegetables holding tank fruits and vegetables are carried out to cold shock processing.
The second pattern (heat shock tupe): four-way change-over valve is set, exhaust outlet of compressor is communicated with First Heat Exchanger, compressor air suction mouth is connected with air cooling heat exchanger, the treatment media (water) that the First Heat Exchanger of take is flowed through as condenser heating, from exhaust outlet of compressor high temperature and high pressure gaseous refrigerant out after First Heat Exchanger condensation heat release, enter air cooling heat exchanger evaporation through throttling arrangement is laggard, finally by overcompression machine air inlet, flow back to.Water in fruits and vegetables holding tank flows into First Heat Exchanger and is heated to temperature requiredly under the effect of circulating pump, flows into fruits and vegetables holding tank fruits and vegetables are carried out to heat shock processing.
Technical solution of the present invention operation principle: by motor driven compressor, switching by four-way change-over valve realizes thermodynamics inverse circulation systerm take First Heat Exchanger as evaporimeter or condenser, cooling or heat treated water, realizes respectively cold shock processing capacity or heat shock processing capacity.
In the technical scheme of system of the present invention, thermodynamics inverse circulation systerm is connected with fruits and vegetables treatment system by First Heat Exchanger, and First Heat Exchanger one side is cold-producing medium, and opposite side is water.Due to the compressor of thermodynamics inverse circulation systerm by combustion gas fuel engines provide, and carry whole treating apparatus by special-purpose vehicle, the beneficial effect bringing is:
(1) compressor of thermodynamics inverse circulation systerm by fuel oil gas engine-driven, make system break away from the restriction of electrical network coverage, can independent utility; In addition significantly improved, the primary energy ratio of thermodynamics inverse circulation systerm.
(2) whole fruits and vegetables temperature intensifies treatment system and is carried by special-purpose vehicle, can flexible Application fruit and vegetable picking ground, directly process at the scene, and effectively widened the geographic application scope of this system.
(3) by the conversion of four-way change-over valve, can make system can realize fruits and vegetables heat shock processing and two functions of cold shock processing, energy utilization rate is high, energy-conserving and environment-protective, has effectively reduced equipment investment.
Accompanying drawing explanation
Fig. 1 is that the de-electric fruits and vegetables temperature of packaged type of the present invention intensifies treatment system structure and cold shock operational mode schematic diagram thereof.
Fig. 2 is that the de-electric fruits and vegetables temperature of packaged type of the present invention intensifies treatment system structure and heat shock operational mode schematic diagram thereof.
The specific embodiment
Below in conjunction with specific embodiment, further technical scheme of the present invention is described.
The de-electric fruits and vegetables temperature of packaged type of the present invention as shown in attached Fig. 1 and 2 intensifies treatment system structure, wherein 1 is fruits and vegetables holding tank, 2 is circulating pump, and 3 is First Heat Exchanger, and 4 is throttling arrangement, 5 is four-way change-over valve, 6 is the second heat exchanger, and 7 is compressor, and 8 is driving-belt, 9 is engine, and 10 is carrying vehicle.
Described the second heat exchanger 9 is selected air cooling heat exchanger, with an import and an outlet; Described First Heat Exchanger is selected the heat exchanger with two imports and two outlets, i.e. two heat exchangers that enter scene 2 formula; Described engine is selected gas engine or fuel engines, can directly use vehicle-mounted engine or non-vehicle-mounted engine, and above system is carried by carryingvehicle 10.
By engine 9, driving-belt 8, compressor 7, four-way change-over valve 5, thesecond heat exchanger 6, the thermodynamics inverse circulation systerm thatthrottling arrangement 4 and First Heat Exchanger 3 form, in thermodynamics inverse circulation systerm, compressor 7 is connected with engine 9 by driving-belt 8, an import of First Heat Exchanger 3 is connected with four-way change-over valve 5 pipelines withthrottling arrangement 4 respectively with an outlet,throttling arrangement 4 is connected with thesecond heat exchanger 6 pipelines, thesecond heat exchanger 6 is connected with four-way change-over valve 5 pipelines, the air inlet of compressor 7 is connected with four-way change-over valve 5 pipelines respectively with exhaust outlet, like this, passed through to adjust the state of four-way change-over valve 5, to realize the circulation of the different directions of cold-producing medium in this system, described cold-producing medium is selected this area general refrigerant.
The fruits and vegetables treatment system being connected to form successively by First Heat Exchanger 3, circulating pump 2 and fruits and vegetables holding tank 1, in described fruits and vegetables treatment system, another group import of First Heat Exchanger 3 is connected with circulating pump 2, fruits and vegetables storage box 1 pipeline respectively with outlet, circulating pump 2 is connected with fruits and vegetables holding tank 1 pipeline, in this system, selects water as treatment media.
Utilize the de-electric fruits and vegetables temperature of packaged type of the present invention to intensify treatment system, by four-way change-over valve, change with two kinds of mode operations:
The first pattern (cold shock tupe): four-way change-over valve 5 is set, compressor 7 exhaust outlets are communicated with the second heat exchanger (air cooling heat exchanger) 6, air entry is connected with First Heat Exchanger 3; Start combustion gas fuel engines 9, the treatment media that the First Heat Exchanger 3 of take is flowed through as evaporator cools, from compressor 7 exhaust outlets high temperature and high pressure gaseous refrigerant out after the second heat exchanger (air cooling heat exchanger) 6 heat exchange, afterthrottling arrangement 4, enter 3 pairs for the treatment of media of First Heat Exchanger and lower the temperature, flow out First Heat Exchanger 3 and flow back to compressor 7 air inlets by four-way change-over valve 5.Water in fruits and vegetables holding tank 1 flows into First Heat Exchanger 3 and is cooled to temperature required under the effect of circulating pump 2, flow into 1 pair of fruits and vegetables of fruits and vegetables holding tank and carry out cold shock processing, cold shock treatment temperature is chosen in 0-3 ℃, the time that whole cold shock is processed is selected according to pending fruits and vegetables situation, for example 0.5-3h, is also 24h.For anti-sealing freezes in First Heat Exchanger, regulate in realtime throttling arrangement 4 to control the evaporating temperature of cold-producing medium, be generally not less than-3 ℃.
The second pattern (heat shock tupe): four-way change-over valve 5 is set, compressor 7 exhaust outlets are communicated with First Heat Exchanger 3, compressor 7 air entries are connected with the second heat exchanger (air cooling heat exchanger) 6, the treatment media that the First Heat Exchanger 3 of take is flowed through as condenser heating, from compressor 7 exhaust outlets high temperature and high pressure gaseous refrigerant out after First Heat Exchanger 3 condensation heat releases, afterthrottling arrangement 4, enter the second heat exchanger (air cooling heat exchanger) 6 evaporations, finally by overcompression machine 7 air inlets, flow back to.Water in fruits and vegetables holding tank 1 flows into First Heat Exchanger 3 and is heated to temperature required under the effect of circulating pump 2, flow into 1 pair of fruits and vegetables of fruits and vegetables holding tank and carry out heat shock processing, heat shock treatment temperature is chosen in 30-50 ℃, preferably 35-40 ℃, the time that whole heat shock is processed is selected according to pending fruits and vegetables situation, for example 0.5-3h, is also 24h.
In implementation process, can the temperature of fruits and vegetables holding tank 1 be carried out and be detected, and by controlling compressor 7 power,throttling arrangement 4 apertures, circulating pump 2 flows, to reach the effect of controlling heat exchange in First Heat Exchanger, the final real-time control realizing fruits and vegetables storage tankage 1 interior water temperature.
Above the present invention has been done to exemplary description; should be noted that; in the situation that not departing from core of the present invention, the replacement that is equal to that any simple distortion, modification or other those skilled in the art can not spend creative work all falls into protection scope of the present invention.