CN1032447C - Vacuum far-infrared heat current drying machine - Google Patents
Vacuum far-infrared heat current drying machine Download PDFInfo
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- CN1032447C CN1032447C CN 87101340 CN87101340A CN1032447C CN 1032447 C CN1032447 C CN 1032447C CN 87101340 CN87101340 CN 87101340 CN 87101340 A CN87101340 A CN 87101340A CN 1032447 C CN1032447 C CN 1032447C
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Abstract
The present invention relates to a vacuum far-infrared heat flow drier which is novel low-temperature dewatering drying equipment. The vacuum far-infrared heat flow drier is mainly used for the low-temperature dewatering and drying of materials, such as various vegetables, food grain, seeds, Chinese herbal medicine, tea, various leaves, wood, various aquatic products, noodles, paperboards, etc. The vacuum far-infrared heat flow drier is mainly composed of a vacuum chamber, a far-infrared heating and temperature controlling system, a hot-wind circulating system, a vacuum obtaining system, a material trailer and an electric appliance operating platform. Because the vacuum far-infrared heat flow drier has a vacuum drying condition, materials can be rapidly processed by evaporating and drying in a low temperature. Because a far-infrared heating technology is adopted, the requirement of energy conservation can be achieved. Because the heating method of heat convection is simultaneously adopted, the requirement of uniformly heating materials is ensured.
Description
Vacuum far-infrared heat current drying machine is a kind of novel cryogenic dehydrate equipment, is mainly used in the low temperature dewatering of materials such as various vegetables, grain, seed, Chinese medicinal herbs, tealeaves, various economic leaf, timber, various aquatic products, noodles, cardboard.
The low temperature dewatering drying is a great technical barrier that exists in the present industrial and agricultural production, and this technical field drying equipments that adopt are hot flow type dryings more, comprises dry cell-type and stores cell-type.For example: the far-infrared ray drying storage warehouse cell structure that United States Patent (USP) 4247.989 is introduced.All there is the shortcoming that efficient is low, heat loss is big in these drying equipments aspect moisture, the heat utilization efficiency removing.The vacuum far-infrared dryer that the present invention relates to has overcome the scarce limit that above-mentioned drying equipment exists.
The purpose of this invention is to provide a kind of vacuum far-infrared heat current drying equipment is used for agricultural product, aquatic products, plant etc. are carried out the low temperature dewatering drying.
Another object of the present invention is to adopt two vacuum drying containers, in drying is crossed, earlier material is carried out heat treated, again the heat in first vacuum drying container is blown into second vacuum drying container, then first vacuum drying container is carried out application of vacuum so that remove the water vapour in the institute's water content and container in the material expeditiously, efficient to obtain, connect can the low temperature dewatering effect.
The vacuum far-infrared heat current drying machine that the present invention discloses comprises two vacuum drying containers, vacuum acquiring system, control system, far-infrared heater, hot air circulating system.Said two vacuum drying containers are to be connected by an air draught pipeline and an air blast pipeline, on air draught pipeline and air blast pipeline, have two suction valves and two air blast valves respectively, drawing a tube connector respectively between two valves on the pipeline separately is connected in air blast, the mechanical bolster that each vacuum drying container inboard is equipped with Far-infrared Heating original paper, thermal resistance and is admitted the material trailer, a vacuum line is installed at top at each vacuum drying container, and vacuum control valve is housed respectively on this pipeline.Vacuum acquiring system comprises a water flow jet vavuum pump, and this vacuum dryer is controlled by the electrical equipment operating desk.In operating process at first material, for example: the material trailers of packing into such as vegetables, cereal, tealeaves, timber, trailer is pushed vacuum drying container, start Far-infrared Heating original paper and thermal resistance, and start air blast and make and form the hot-fluid drying cycles in the container.After acquiring a certain degree, close the air blast pipeline valve that enters one of them container, air blast just is blown into another container to the heat in this container, close the air draught valve that leads to previous container on the air draught pipeline, start vacuum acquiring system, open the vacuum line valve of this container top, this moment, this container became vacuum tank, under vacuum state, moisture in the material is very easily extracted in a large number, simultaneously another container then is at the heated-air drying state, and then this process is repeatedly handled second container.The material dewatering drying efficiency is increased, do not waste heat energy, obtain the effect of vacuum hot-fluid low temperature dewatering drying.
Below in conjunction with accompanying drawing this invention is elaborated.
Accompanying drawing is showed the operation principle and the workpiece relation of this invention.
The vacuum far-infrared heat current drying machine 10 that the present invention relates to comprises vacuum drying container 12A and 12B, and Far-infrared Heating original paper 23, thermal resistance 18 are housed in said vacuum drying container 12A and the 12B, and its heating process is by 26 controls of an electrical equipment operating desk.This electrical equipment operating desk 26 comprises temperature control instrument and automatically controlled electric elements composition, in order to finish the material in vacuum drying container 12A and the 12B, air are heated, supply with the material required vaporization heat in dry run that is dried, make it temperature and be within the required scope.This vacuum drying container 12A and 12B inner surface are equipped with insulation material and reflecting layer to reduce thermal loss and to improve the utilization ratio of far infrared radiation heat energy.Be provided with the conformability frame for movement of admitting material trailer 25 in vacuum drying container 12A and 12B, said material trailer 25 changes to some extent according to the difference of the material that is dried, and evenly places in the hope of material, obtains even heat drying and handles.Between vacuum drying container 12A and 12B, be provided with a hot air circulating system, this crack system is made up of air blast 21, air draught pipeline 20 and air blast pipeline 28, each end of said air draught pipeline 20 and air blast pipeline 28 is connected with a vacuum tank, the discrepancy pipeline of air blast 21 is connected with air draught pipeline 20 with air blast pipeline 28 respectively, be respectively equipped with air blast valve 22A and 22B in air blast pipeline 28 both sides of taking off a little that link to each other with the air blast pipeline, the both sides that are connected with the air blast pipeline at air draught pipeline 20 are respectively equipped with air draught valve 19A and 19B.Above vacuum drying container 12A and 12B, have a vacuum line 13 respectively, on this pipeline 13, be provided with vacuum control valve 14A and 14B, respectively vacuum drying container 12A and 12B are carried out vacuumizing control.Said vacuum line 13 and a vacuum acquiring system link, and this system is made up of pump group, water tank 17 and water flow jet vavuum pump 15.In the dry materials process, material 24 is evenly installed on the material trailer 25, material trailer 25 is pushed in vacuum drying container 12A and the 12B, start far infrared heating 23 and thermal resistance 18 and open air draught valve 19A and 19B and air blast valve 22A and 22B, start air blast 21, can blast the hot blast in the vacuum drying container 12A in the vacuum drying container 12B by this system like this, can also blast the hot blast in the vacuum drying container 12B in the vacuum tank 12A, make the hot pocket circulative convection in two vacuum drying containers, the material in two vacuum drying containers is heated by this convection heat transfer' heat-transfer by convection form.Because air draught pipeline 20 is connected the top of two vacuum drying containers, air blast pipeline 28 is in the bottom of two vacuum drying containers, this version makes the air themperature of vacuum drying container internal upper part and bottom even in the hot air circulation process in two vacuum drying containers, has guaranteed that the material in the whole vacuum drying container evenly heats.When heat treated arrives to a certain degree, by air blast 21 hot blast in one of them vacuum drying container is blasted another vacuum drying container, close the air blast thermal cycle pipeline of this vacuum drying container, start vacuum system, such vacuum drying container is in the vacuum work state, and the water vapour in this vacuum drying container is in time extracted to realize the vacuum evaporation drying of material.The far infrared wave heating of hot-air that the material in another vacuum drying container of while is but blasted and far infrared radiation makes material obtain required vaporization heat.The duty of two vacuum drying containers exchanges mutually, at interval, repeatedly fully to material heat, the vacuum evaporation process, reach the purpose of low temperature dewatering.By this structure, heat is repeated to utilize, and reduces thermal loss, improves utilization efficiency of heat energy, this duty of changing mutually of while, and the barometric gradient of generation more helps to accelerate the interior diffusion and the external diffusion process of material internal moisture, improves dewatering efficiency.
The invention still further relates to a cover vacuum acquiring system, this system simplifies vacuum acquiring system owing to adopted the water flow jet vavuum pump with condensed steam performance, has reduced additional steam condensing plant.
The technology that the present invention relates to has realized the principle of low temperature dewatering drying, the vacuum evaporation dry run of this equipment can be carried out low temperature drying to various materials and be handled, and best results, use this technology, realize reduction air pressure and the vapourizing temperature of moisture content in the material is reduced greatly, reached quick-drying purpose.
Claims (3)
1, a kind of vacuum far-infrared heat current drying machine comprises by two vacuum drying containers, a vacuum acquiring system, a hot air circulating system, Far-infrared Heating device and an electrical apparatus control system are formed, it is characterized in that: said two vacuum drying containers are to be connected by the suction line that is installed in its top and the air blast pipeline of bottom, and on suction line and air blast pipeline separately all by adorning two by-pass valve controls, the suction line of air blast and air blast pipeline are connected between suction line and air blast pipeline two by-pass valve controls separately, just can make two vacuum drying containers change duty by operating these four by-pass valve controls, the Far-infrared Heating device is to be installed in uniformly on the inwall of each vacuum drying container, vacuum acquiring system is to be connected with two vacuum drying containers by vacuum line, and a movably material trailer is all arranged in the inside of each vacuum drying container.
2, vacuum far-infrared heat current drying machine according to claim 1, it is characterized in that in said two vacuum drying containers, all be provided with one group of Far-infrared Heating device and a material trailer, and the material carriage is housed on the chassis of material trailer, when being placed, material can keep certain spacing distance uniformly.
3, vacuum far-infrared heat current drying machine according to claim 1, it is characterized in that said vacuum acquiring system is to be connected with two vacuum drying containers by vacuum line, and, just can carry out the operation control of required vacuum respectively to these two vacuum drying containers by operating these two vacuum control valves connecting on the vacuum line of each vacuum drying container all by adorning a vacuum control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87101340 CN1032447C (en) | 1987-05-21 | 1987-05-21 | Vacuum far-infrared heat current drying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87101340 CN1032447C (en) | 1987-05-21 | 1987-05-21 | Vacuum far-infrared heat current drying machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN87101340A CN87101340A (en) | 1988-07-27 |
| CN1032447C true CN1032447C (en) | 1996-07-31 |
Family
ID=4813333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87101340 Expired - Fee Related CN1032447C (en) | 1987-05-21 | 1987-05-21 | Vacuum far-infrared heat current drying machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1032447C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353238B (en) * | 2011-08-01 | 2013-07-24 | 上海海事大学 | Intermittent type vacuum microwave drying device and method for processing core material of vacuum heat insulation plate by using intermittent type vacuum microwave drying device |
| CN102487993B (en) * | 2011-12-05 | 2013-03-06 | 陕西科技大学 | Solar fruit and vegetable hot air vacuum combined drying equipment and drying method |
| CN103572667A (en) * | 2012-07-26 | 2014-02-12 | 苏州宏久航空防热材料科技有限公司 | Quick and thorough drying device and method for wet processed glass wool core material |
| CN107373712B (en) * | 2017-07-27 | 2020-06-26 | 南通瑞隆新材料有限公司 | Far infrared drying equipment |
| CN109953108A (en) * | 2017-12-25 | 2019-07-02 | 盐城市怡美食品有限公司 | Fresh ocean fish injects tenderization vacuum dehydration dry integrated machine |
| CN108613496A (en) * | 2018-05-31 | 2018-10-02 | 成都思达特电器有限公司 | A kind of plane far infrared jet drying assembly line |
| CN109442914A (en) * | 2018-11-24 | 2019-03-08 | 齐贵臣 | A kind of wet petroleum coke drying machine of petroleum product |
| CN109668385A (en) * | 2018-12-19 | 2019-04-23 | 天能电池(芜湖)有限公司 | Battery grid high temperature drying chamber |
-
1987
- 1987-05-21 CN CN 87101340 patent/CN1032447C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN87101340A (en) | 1988-07-27 |
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| AD01 | Patent right deemed abandoned | ||
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Addressee: Zhang Qingyu Document name: Notification of Termination of Patent Right |
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| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |