CN1348085A - High-voltage electric field drying method and electrostatic drying plant - Google Patents
High-voltage electric field drying method and electrostatic drying plant Download PDFInfo
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- CN1348085A CN1348085A CN00129645A CN00129645A CN1348085A CN 1348085 A CN1348085 A CN 1348085A CN 00129645 A CN00129645 A CN 00129645A CN 00129645 A CN00129645 A CN 00129645A CN 1348085 A CN1348085 A CN 1348085A
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Abstract
The present invention is high-voltage electric field drying method and electrostatic drying plant. The high-voltage electric field drying plant has several parallel metal wires with homogeneously set discharge metal needles pointing to the earthed metal net or plate with material to be dried spread homogeneously. The metal wires are powered by AC power source and discharging corona field of 1.5-6 kv/cm strength is formed between metal wire and metal net or plate at environment temperature below 45 deg.c. The drying method of the present invention has no heat conducting course and no material temperature rise, high quality of dried material and low cost.
Description
The present invention relates to a kind of high voltage electric field that utilizes heat sensitive material is carried out the dry method and the electrostatic drying plant of use thereof.
Present external heat sensitive material both at home and abroad carries out dry method and is generally heating means and vacuum refrigeration method, and heating means are to utilize heat energy to add hot air medium to realize drying, and its shortcoming is that dry product is of poor quality.Vacuum freeze-drying method is that water directly distils and the realization drying after freezing in the material, and its shortcoming is that equipment manufacturing cost is high, the operating cost height.
The objective of the invention is to overcome above-mentioned deficiency, a kind of high-voltage electric field drying method and electrostatic drying case thereof are provided, this method does not have diabatic process, and material can not heat up, and the dry product quality improves, and is low by the electrostatic drying equipment manufacturing cost of this technological development.
The object of the present invention is achieved like this:
A kind of high-voltage electric field drying method is characterized in that: this method is heat sensitive material to be dried to be placed in carry out drying in the high voltage electric field, and the characteristic of this high voltage electric field is:
A. the structure of electric field:
The many metal wires that are parallel to each other, spacing is 3-6cm, be connected with the discharge metal pin of even setting on each metal wire, each metal needle is vertical with the plane that metal wire is formed, the direction of each metal needle is pointed to wire netting, the plate of placing material to be dried, the spacing of this wire netting, plate and metal wire is 4-30cm, and described material to be dried is laid on this wire netting, the plate equably, this wire netting, plate earthing;
High-voltage ac power send electricity by high-tension cable to metal wire, forms the corona discharge electric field between metal wire and wire netting, plate,
B. the field intensity of electric field: 1.5-6kv/cm
C. environment temperature:＜45 ℃
Described electric field structure also can be realized drying for vertical corona field suspends material in midair or vertically is deposited in the electric field.
Described wire netting, the plate of placing material in electric field can be positioned in the case, carries out the drying of inactive state; This metal otter board also can be arranged on the conveyer belt, carries out the drying of motion state.
Also can also can dehumidify, filter simultaneously processing such as dirt in the described electric field to air dielectric, form closed cycle.
Being configured to of this electrostatic drying plant: casing is removable frame structure, opens the door more, be equipped with on the door for the windowpane of observing usefulness, and dress control element and high voltage source in the switch board, this switch board and casing are independent separately; Some arc-spark stands are housed, being configured to of this arc-spark stand in the casing: at least four flange framves respectively are bearing in arc-spark stand in the casing by nylon column; The entire electrode frame is made up of pipe fitting, threeway, standpipe, four-way and cramp bar, and is the ABS insulating materials; The material disc of being made by wire netting is placed on the cramp bar, electrode network is placed on the pipe fitting of material disc top, electrode network is made up of the metal wire that is parallel to each other, on every wires, be welded with the discharge metal pin equably, between discharge metal pin and wire netting, plate, form high voltage electric field, the field intensity of this electric field is 1.5-6kv/cm, environment temperature＜45 in this case ℃.
Described electrode network also can directly connect with box frame by the ABS insulating materials, and material disc directly connects with box frame.
The present invention has following actively useful effect:
The present invention utilizes the electric field energy of high voltage electric field to carry out mass transfer, directly electric field energy is passed to the hydrone in the material under the effect of high voltage electric field because hydrone is a polar molecule, under the effect of electric field force by effusion material surface.When using the high electric field drying technology that heat sensitive material is carried out drying, owing to there is not diabatic process, so material needn't heat up, and this is rare distinct advantages to heat sensitive material.It will make the active ingredient of this class material not lose because of the rising temperature.Can produce a certain amount of ozone (O in the dry run simultaneously
3), they are to the disinfection on material surface and fresh-keeping all beneficial.
High electric field drying is at high voltage, move under the little current condition, thereby saves energy greatly reduces cost, and be example with the drying of feed addictive aureomycin, the power consumption of dry 1kg wet stock is 0.08 degree only, produces the 1kg siccative and needs the 2.04kg wet feed, power consumption 0.16 degree.If calculate by 0.4 yuan of electricity price/degree, 1kg siccative expense is 0.064 yuan.Simultaneously average the raising tires 0.63%, amounts to the active principle 6kg that has a net increase of per ton, sells 9000 yuan of/ton calculating by present manufacturer 15% powder product of tiring, and product per ton can rise in value 360 yuan, if press 32 tons of calculating of the daily output, only this item can rise in value 1.15 ten thousand yuan every day.And high electric field drying does not need the boiler that heats, but clean air also reduces environmental pollution.
Now in conjunction with the accompanying drawings with preferred embodiment:
Fig. 1 is the work structuring schematic diagram of one embodiment of the invention;
Fig. 2 is the structural representation of a kind of electrostatic drying plant of using of the present invention;
Fig. 3 is the side view of Fig. 2;
Fig. 4 is the structural representation of a kind of embodiment of arc-spark stand among Fig. 2;
Fig. 5 is the side view of Fig. 4;
Fig. 6 is the A portion partial enlarged drawing among Fig. 4.
Accompanying drawing number:
1. AC power 2. high-tension cables 3. protective resistances
4. metal wire 5. metal needles 6. quick property materials
7. (material disc or conveyer belt) wire netting, plate
8. electrostatic drying plant
801. casing 802. (glass) observation window
9. arc-spark stand
901. flange frame 902. nylon columns 903. threeways
904. four-way 905. standpipes 906. cramp bars
907. pipe fitting
10. switch board
Please refer to Fig. 1, the present invention is a kind of high-voltage electric field drying method and electrostatic drying plant thereof, and it is concrete
Implementation method is:
Heat sensitive material to be dried 6 is evenly distributed in certain thickness on the material disc or conveyer belt 7 of ground connection, and the bottom surface of material disc or conveyer belt is wire netting or plate 7, and its side frame is that high insulating materials constitutes.The 5-30cm internal frame is provided with the many metal wires that are parallel to each other 4 above wire netting, distance is 3-6cm between each metal wire footpath, and the plane parallel that metal wire is formed is in the wire netting plane, on parallel metal lines, all evenly be welded with discharge metal pin 5, and the plane that metal needle and metal wire are formed is vertical.Send electricity by high-voltage ac power 1 by high-tension cable 2,3 pairs of metal wires of protective resistance, forming field intensity between metal wire and wire netting is the corona discharge electric field of 1.5-6kv/cm.
Be to improve rate of drying, provide＜45 ℃ temperature environment by the heating casing in addition, also can dehumidify, filter simultaneously processing such as dirt, form closed cycle air dielectric.According to material feature electric field structure can be designed to vertical corona field and with material suspention or vertically be deposited in realize in the electric field dry.Material can be remained static in electric field as required is box, and motion state then is a conveyor belt type.
Please refer to Fig. 2, Fig. 3, the present invention also comprises the electrostatic drying plant that a kind of said method uses, being configured to of this electrostatic drying plant 8: casing 801 is removable frame structure, four door, be equipped with on the door for the windowpane 802 of observing usefulness, dress control element and high voltage source in one switch board 10, this switch board and casing are independent separately; Some arc-spark stands 9 are housed in the casing 801, please refer to Fig. 4, Fig. 5, Fig. 6, being configured to of this arc-spark stand: at least four flange framves 901 respectively are bearing in arc-spark stand in the casing by nylon column 902; The entire electrode frame is made up of pipe fitting 907, threeway 903, standpipe 905, four-way 904 and cramp bar 910, and is the ABS insulating materials; The material disc of being made by wire netting 7 is placed on the cramp bar 910, electrode network is placed on the pipe fitting 907 of material disc top, electrode network is made up of the metal wire 4 that is parallel to each other, on every wires, be welded with discharge metal pin 5 equably, form high voltage electric field at discharge metal pin 5 and wire netting, 7 of plates, the field intensity of this electric field is 1.5-6kv/cm, environment temperature＜45 in this case ℃.
Described electrode network 4 also can directly connect with box frame by the ABS insulating materials, thereby 7 direct connections with box frame of material disc can be saved the arc-spark stand structure.
Install dry Chinese medicine isatis root through this, the content of its index composition indigo red is 0.014%, and the index component content is 0.010% after the heated-air drying, is equivalent to the index compositions 40% that keep more.The dry Chinese medicine bark of official magnolia of present technique, the content of its index composition magnolol is 2.90%, and the index component content is 2.23% after the heated-air drying, is equivalent to the index compositions 30.04% that keep more.The dry bright pig's bile of this method, the bilirubinic content of its index composition is 0.05%, and the index component content is 0.088% after the heated-air drying, is equivalent to the index compositions 31.58% that keep more.
Claims (6)
1. high-voltage electric field drying method, it is characterized in that: this method is heat sensitive material to be dried (6) to be placed in carry out drying in the high voltage electric field, and the characteristic of this high voltage electric field is:
A. the structure of electric field:
The many metal wires that are parallel to each other (4), spacing is 3-6cm, be connected with the discharge metal pin (5) of even setting on each metal wire, each metal needle is vertical with the plane that metal wire is formed, the direction of each metal needle is pointed to wire netting, the plate (7) of placing material to be dried, this wire netting, plate (7) are 5-30cm with the spacing of metal wire (4), and described material to be dried (6) is laid on this wire netting, the plate (7) equably, this wire netting, plate (7) ground connection;
High-voltage ac power (1) send electricity by high-tension cable (2) to metal wire (4), forms the corona discharge electric field between metal wire (4) and wire netting, plate (7),
B. the field intensity of electric field: 1.5-6kv/cm
C. environment temperature:＜45 ℃
2. high-voltage electric field drying method as claimed in claim 1 is characterized in that: described electric field structure also can be realized drying for vertical corona field suspends material in midair or vertically is deposited in the electric field.
3. high-voltage electric field drying method as claimed in claim 1 is characterized in that: described wire netting, the plate (7) of placing material in electric field can be positioned in the case, carries out the drying of inactive state; This metal otter board also can be arranged on the conveyer belt, carries out the drying of motion state.
4. high-voltage electric field drying method as claimed in claim 1 is characterized in that: also can dehumidify, filter processing such as dirt in the described electric field simultaneously to air dielectric, form closed cycle.
5. electrostatic drying plant that high-voltage electric field drying method as claimed in claim 1 uses, it is characterized in that: being configured to of this electrostatic drying plant (8): casing (801) is removable frame structure, open the door more, be equipped with on the door for the windowpane (802) of observing usefulness, dress control element and high voltage source in one switch board (10), this switch board and casing are independent separately; Some arc-spark stands (9) are housed, being configured to of this arc-spark stand in the casing (801): at least four flange framves (901) respectively are bearing in arc-spark stand in the casing by nylon column (902); The entire electrode frame is made up of pipe fitting (907), threeway (903), standpipe (905), four-way (904) and cramp bar (910), and is the ABS insulating materials; The material disc of being made by wire netting (7) is placed on the cramp bar (910), electrode network is placed on the pipe fitting (907) of material disc top, electrode network is made up of the metal wire that is parallel to each other (4), on every wires, be welded with discharge metal pin (5) equably, form high voltage electric field at discharge metal pin (5) and wire netting, plate between (7), the field intensity of this electric field is 1.5-6kv/cm, environment temperature＜45 in this case ℃.
6. electrostatic drying plant that high-voltage electric field drying method as claimed in claim 5 uses, it is characterized in that: described electrode network (4) also can directly connect with box frame by the ABS insulating materials, and material disc (7) directly connects with box frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00129645A CN1348085A (en) | 2000-10-09 | 2000-10-09 | High-voltage electric field drying method and electrostatic drying plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00129645A CN1348085A (en) | 2000-10-09 | 2000-10-09 | High-voltage electric field drying method and electrostatic drying plant |
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| CN1348085A true CN1348085A (en) | 2002-05-08 |
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| CN00129645A Pending CN1348085A (en) | 2000-10-09 | 2000-10-09 | High-voltage electric field drying method and electrostatic drying plant |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101999445A (en) * | 2010-12-09 | 2011-04-06 | 天津市林业果树研究所 | Method for drying edible mushrooms by utilizing high-voltage electrostatic field |
| WO2011120331A1 (en) * | 2010-03-31 | 2011-10-06 | Liu Hongsheng | Drying method for printed matters |
| CN102927793A (en) * | 2012-11-15 | 2013-02-13 | 桂林源林生态科技有限责任公司 | Crop dryer |
| CN103148693A (en) * | 2013-03-28 | 2013-06-12 | 广东华南工业设计院 | Corona discharge turbulent heating integrated drying device and drying facility applying same |
| CN103983091A (en) * | 2014-05-08 | 2014-08-13 | 南京中医药大学 | High-voltage electric field and hot air combined drying device |
| CN104012650A (en) * | 2014-07-02 | 2014-09-03 | 云南师范大学 | Solar drum type high-voltage electric field drier |
| CN104534821A (en) * | 2014-12-26 | 2015-04-22 | 东莞市立马干燥技术有限公司 | High-voltage electric field vacuum drying system |
| CN104586908A (en) * | 2014-12-31 | 2015-05-06 | 江苏省中医药研究院 | Non-thermally sterilized fresh ginseng preparation technology |
| CN104677057A (en) * | 2015-03-03 | 2015-06-03 | 华南理工大学 | Method and equipment for adopting variable-frequency alternating current electric field for assisting freeze drying of drug liposome powder |
| WO2017080523A1 (en) * | 2015-11-15 | 2017-05-18 | 吴翔 | Realization of drying, moistening, sterilizing, disinfecting and kinetic energy acquisition by using polar molecule repulsion |
| CN110044145A (en) * | 2019-04-22 | 2019-07-23 | 浙江工业大学 | A kind of high voltage electric field and heat pump united drying system |
| CN110108958A (en) * | 2019-05-08 | 2019-08-09 | 河北工业大学 | A kind of forceful electric power field device |
| CN111567514A (en) * | 2020-04-20 | 2020-08-25 | 上海以心医疗器械有限公司 | Method for preserving fresh biological tissue |
-
2000
- 2000-10-09 CN CN00129645A patent/CN1348085A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011120331A1 (en) * | 2010-03-31 | 2011-10-06 | Liu Hongsheng | Drying method for printed matters |
| CN101999445A (en) * | 2010-12-09 | 2011-04-06 | 天津市林业果树研究所 | Method for drying edible mushrooms by utilizing high-voltage electrostatic field |
| CN102927793A (en) * | 2012-11-15 | 2013-02-13 | 桂林源林生态科技有限责任公司 | Crop dryer |
| CN103148693A (en) * | 2013-03-28 | 2013-06-12 | 广东华南工业设计院 | Corona discharge turbulent heating integrated drying device and drying facility applying same |
| CN103983091B (en) * | 2014-05-08 | 2016-03-30 | 南京中医药大学 | High voltage electric field associating hot-air drying device |
| CN103983091A (en) * | 2014-05-08 | 2014-08-13 | 南京中医药大学 | High-voltage electric field and hot air combined drying device |
| CN104012650A (en) * | 2014-07-02 | 2014-09-03 | 云南师范大学 | Solar drum type high-voltage electric field drier |
| CN104534821A (en) * | 2014-12-26 | 2015-04-22 | 东莞市立马干燥技术有限公司 | High-voltage electric field vacuum drying system |
| CN104586908A (en) * | 2014-12-31 | 2015-05-06 | 江苏省中医药研究院 | Non-thermally sterilized fresh ginseng preparation technology |
| CN104677057A (en) * | 2015-03-03 | 2015-06-03 | 华南理工大学 | Method and equipment for adopting variable-frequency alternating current electric field for assisting freeze drying of drug liposome powder |
| US10415881B2 (en) | 2015-03-03 | 2019-09-17 | South China University Of Technology | Method and device for freeze-drying drug liposomes powder assisted by variable-frequency alternating-current electric field |
| WO2017080523A1 (en) * | 2015-11-15 | 2017-05-18 | 吴翔 | Realization of drying, moistening, sterilizing, disinfecting and kinetic energy acquisition by using polar molecule repulsion |
| CN110044145A (en) * | 2019-04-22 | 2019-07-23 | 浙江工业大学 | A kind of high voltage electric field and heat pump united drying system |
| CN110108958A (en) * | 2019-05-08 | 2019-08-09 | 河北工业大学 | A kind of forceful electric power field device |
| CN111567514A (en) * | 2020-04-20 | 2020-08-25 | 上海以心医疗器械有限公司 | Method for preserving fresh biological tissue |
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