CN106931742A - A kind of two-part heat pump drying equipment of wet stock containing volatile component and furnace drying method - Google Patents

A kind of two-part heat pump drying equipment of wet stock containing volatile component and furnace drying method Download PDF

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Publication number
CN106931742A
CN106931742A CN201710244400.0A CN201710244400A CN106931742A CN 106931742 A CN106931742 A CN 106931742A CN 201710244400 A CN201710244400 A CN 201710244400A CN 106931742 A CN106931742 A CN 106931742A
Authority
CN
China
Prior art keywords
drying
heat pump
condenser
evaporator
wet stock
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710244400.0A
Other languages
Chinese (zh)
Inventor
刘传平
王立
尹少武
童莉葛
黄建
贾超
李文博
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Han Guang Tiangong Mechanical Equipment (beijing) Co Ltd
Original Assignee
Han Guang Tiangong Mechanical Equipment (beijing) Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Han Guang Tiangong Mechanical Equipment (beijing) Co Ltd filed Critical Han Guang Tiangong Mechanical Equipment (beijing) Co Ltd
Priority to CN201710244400.0A priority Critical patent/CN106931742A/en
Publication of CN106931742A publication Critical patent/CN106931742A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B9/00Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
    • F26B9/10Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in the open air; in pans or tables in rooms; Drying stacks of loose material on floors which may be covered, e.g. by a roof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B5/00Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B6/00Compression machines, plants or systems, with several condenser circuits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/001Drying-air generating units, e.g. movable, independent of drying enclosure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/02Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
    • F26B21/04Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure

Abstract

The present invention provides a kind of two-part heat pump drying equipment of wet stock containing volatile component and furnace drying method, belongs to wet stock technical field of drying.Purpose is that active ingredient is lost in and energy consumption for drying in solving the problems, such as volatility Chinese medicine drying process in the prior art.Drying plant, including drying room and air source heat pump system, the drying room includes open type preliminary drying section and enclosed drying section, the air source heat pump system includes the first heat pump, the second heat pump, the 3rd heat pump, first circulation blower fan, second circulation blower fan, three-circulation wind machine, the first evaporator, the second evaporator, the 3rd evaporator, the first condenser, the second condenser, the 3rd condenser, furnace drying method is realized using above-mentioned drying plant, including two sections of flows of preliminary drying stage and baking stage.Apparatus and method of the invention, are suitable for the drying of wet stock, are particularly suitable for the volatile component drying materials such as medicinal material containing aromatics, spices.

Description

A kind of two-part heat pump drying equipment of wet stock containing volatile component and furnace drying method
Technical field
The present invention relates to wet stock technical field of drying, particularly relate to a kind of two-part of wet stock containing volatile component heat pump and dry Dry equipment and furnace drying method.
Background technology
The content of active ingredient directly affects medical material quanlity in Chinese medicine, and drying process contains to active ingredients from traditional Chinese medicinal Amount has very big influence.For the Chinese medicine containing volatile materials, such as anise, fennel, Chinese prickly ash etc., dried in traditional open During volatile materials can largely be lost in.
The conventional drying process of Chinese medicine is mainly dried, dries in the shade and dried.These method financial cost are low, technical requirements It is low, but presence such as dry mass is uneven, be easily contaminated many defects.In recent years, Chinese medicine drying process and equipment Start to develop to standardization, mechanization and scale direction.Common heated-air drying equipment has baking oven and drying room etc., and thermal source comes more Electrical heating and coal burning and gas burning Boiler Steam being come from, the humid air after heating takes outside equipment material moisture out of --- moisture is taken out of and is set While standby, waste heat and volatile materials are also largely lost in drying process.
Although the air source heat pump for proposing in recent years dries energy-conservation, there is also open circulation volatile materials and be largely lost in Shortcoming, although and enclosed heat pump drying can reduce the loss of volatile materials, its energy consumption be higher than open type air source heat pump, energy Effect is low.
The content of the invention
The invention solves the problems that active ingredient is lost in and energy consumption for drying in volatility Chinese medicine drying process in the prior art Technical problem.
In order to solve the above technical problems, the present invention provides a kind of two-part heat pump drying equipment of wet stock containing volatile component, Including drying room and air source heat pump system, the drying room includes open type preliminary drying section and enclosed drying section, the air source heat pump system System includes the first heat pump, the second heat pump, the 3rd heat pump, first circulation blower fan, second circulation blower fan, three-circulation wind machine, first Evaporator, the second evaporator, the 3rd evaporator, the first condenser, the second condenser, the 3rd condenser, the first evaporator pass through First heat pump connects the first condenser, and the second evaporator connects the second condenser by the second heat pump, and the 3rd evaporator is by the Three heat pumps connect the 3rd condenser, and first circulation blower fan, the first condenser are arranged on open type preliminary drying section, second circulation blower fan, the Two condensers, the 3rd condenser, the first evaporator, the second evaporator, the 3rd evaporator are arranged on enclosed drying section.
Further, the drying room is tunnel type or vertical tower.
Further, the enclosed drying section is heat pump bypass type, and evaporator and condenser are plural serial stage arrangement.
Further, the enclosed drying section is imported and exported and is the mobile thermal-insulating sealing door of setting.
Further, the air source heat pump system may be arranged at drying room side or drying room top.
Present invention also offers a kind of two-part of wet stock containing volatile component heat pump drying side using above-mentioned drying plant Method, the furnace drying method is specially;
Furnace drying method includes two sections of flows of preliminary drying stage and baking stage, and enclosed heat pump dehumanization method is used in baking stage Dried material internal moisture, open circulation is used in the preliminary drying stage, is heated using baking stage heat pump condenser partial heat wet Material and dried material top layer moisture, during humid air drains into environment after drying.
Further, the furnace drying method is specially:
Open type preliminary drying stage heat is provided by the first heat pump, and outdoor air is blown into by first circulation blower fan and is condensed with first Hot blast is obtained after device heat exchange, the wet stock for entering the preliminary drying heating period is dried.Enclosed baking stage uses bypass type heat-pump dehumidification, Dry hot-air in the presence of the second blower fan to be circulated in enclosed baking stage, air humidity increases, bypath air passes through first Evaporator, the second evaporator, the 3rd evaporator are cooled to and condensed water and discharge system, low temperature saturated moist air are separated out below dew point By the second condenser, the 3rd condenser, it is heated to form and dries hot-air, wet stock is heated after mixing with circulation air.
Technical scheme has technical effect that:
Drying plant of the invention and method, enclosed heat pump dehumanization method dried material internal moisture is used in drying section, Open circulation is used in preliminary drying section, using drying section heat pump condenser partial heat heating wet stock and dried material superficial water Point, the enclosed drying section air containment of stoving process, material volatile materials is lost in reducing drying process, while dehumidifying drying Section has more heat and is used for preliminary drying bringing-up section, improves technological process efficiency.Apparatus and method of the invention, are suitable for wet stock Drying, is particularly suitable for the volatile component drying materials such as medicinal material containing aromatics, spices.
Brief description of the drawings
Fig. 1 is a kind of operation principle schematic diagram of the two-part of wet stock containing volatile component heat pump drying equipment of the present invention.
Reference is as follows:
1st, second circulation blower fan;
2nd, the second condenser;
3rd, the 3rd condenser;
4th, the 3rd heat pump;
5th, the second heat pump;
6th, the 3rd evaporator;
7th, the second evaporator;
8th, the first evaporator;
9th, the first heat pump;
10th, thermal-insulating sealing door;
11st, the first condenser;
12nd, first circulation blower fan;
101st, enclosed drying section;
102nd, open type preliminary drying section;
103rd, shelf.
Specific embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool Body embodiment is described in detail.
As shown in figure 1, being dried the invention provides a kind of two-part tunnel drying plant of utilization three-level heat pump, including enclosed Dry section 101 and open type preliminary drying section 102, can be used for moving material drying.The open type preliminary drying section 102 uses open circulation, uses First circulation blower fan 12 is drawn ambient air into and is heated by the first condenser 11, and the high temperature air of generation is preheated into drying room Wet stock simultaneously takes material top layer Free water out of, and then humid air is discharged in environment;Wherein described drying room is tunnel type, is dried Frame 103 can be driven by motor by driving chain, form continuous wet stock turnover;First evaporator 8 is arranged on enclosed drying section It is interior.
Enclosed drying section uses bypass type heat pump closed loop removal moisture drying, and the first evaporator 8, the second evaporator the 6, the 3rd evaporate The condenser 2 of device 7 and second, the arranged in series of the 3rd condenser 3.The air of enclosed drying section 101 drives in second circulation blower fan 1 Under, 2 grades of heating are carried out using the second condenser 2 of heat pump, the 3rd condenser 3, the air of higher temperature can be obtained;High temperature is empty The wet stock that gas enters on drying room post-purge shelf is dried to it, and after forming highly humid air, portion of air is back to the first steaming Hair device 8, the second evaporator 6, the 3rd evaporator 7 carry out condensation dehumidifying, subsequent low temperature saturated moist air by the second condenser 2, 3rd condenser 3 is heated, and drying room is blown into by second circulation blower fan 1 after mixing with air in bypass passageways, forms circulation.
The bypass passageways air quantity, it is cold by evaporator the first evaporator 8, the second evaporator 6, the 3rd evaporator 7, second Condenser 2, the 3rd condenser 3 carry the regulation of fan VFC, while adjustable by first by variable frequency adjustment rotation speed of the fan Air themperature after evaporator 8, the second evaporator 6, the 3rd evaporator 7, the second condenser 2, the 3rd condenser 3, to improve sky The efficiency of air supply heat pump.
Separated using thermal-insulating sealing door 10 between the open type preliminary drying section 102 and enclosed drying section 101, material is in two drying rooms Thermal-insulating sealing door 10 is opened during transmission, is closed after the completion of transmission, and enclosed drying section 101 is exported equally thermal-insulating sealing door, is being dried Opened and closed when frame 103 discharges, it is ensured that be closing space when enclosed drying section 101 works.
First evaporator 8, the second evaporator 6, the bottom of the 3rd evaporator 7 can be provided with drip tray, and fix a drainpipe and will coagulate Bear water discharge system.
Drying plant of the invention and method, enclosed heat pump dehumanization method dried material internal moisture is used in drying section, Open circulation is used in preliminary drying section, using drying section heat pump condenser partial heat heating wet stock and dried material superficial water Point, the enclosed drying section air containment of stoving process, material volatile materials is lost in reducing drying process, while dehumidifying drying Section has more heat and is used for preliminary drying bringing-up section, improves technological process efficiency.Apparatus and method of the invention, are suitable for wet stock Drying, is particularly suitable for the volatile component drying materials such as medicinal material containing aromatics, spices.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications Should be regarded as protection scope of the present invention.

Claims (7)

1. a kind of two-part heat pump drying equipment of wet stock containing volatile component, including drying room and air source heat pump system, its feature It is that the drying room includes open type preliminary drying section and enclosed drying section, the air source heat pump system includes the first heat pump, the second heat Pump, the 3rd heat pump, first circulation blower fan, second circulation blower fan, three-circulation wind machine, the first evaporator, the second evaporator, the 3rd Evaporator, the first condenser, the second condenser, the 3rd condenser, the first evaporator connect the first condenser by the first heat pump, Second evaporator connects the second condenser by the second heat pump, and the 3rd evaporator connects the 3rd condenser by the 3rd heat pump, the One circulating fan, the first condenser are arranged on open type preliminary drying section, second circulation blower fan, the second condenser, the 3rd condenser, first Evaporator, the second evaporator, the 3rd evaporator are arranged on enclosed drying section.
2. the two-part heat pump drying equipment of wet stock containing volatile component as claimed in claim 1, it is characterised in that the drying room It is tunnel type or vertical tower.
3. the two-part heat pump drying equipment of wet stock containing volatile component as claimed in claim 1, it is characterised in that the enclosed Drying section is heat pump bypass type, and evaporator and condenser are plural serial stage arrangement.
4. the two-part heat pump drying equipment of wet stock containing volatile component as claimed in claim 1, it is characterised in that the enclosed Drying section is imported and exported and is the mobile thermal-insulating sealing door of setting.
5. the two-part heat pump drying equipment of wet stock containing volatile component as claimed in claim 1, it is characterised in that the air Source heat pump system may be arranged at drying room side or drying room top.
6. a kind of two-part heat pump drying method of wet stock containing volatile component, using the drying described in any one of claim 1 to 5 Equipment realizes drying, it is characterised in that the furnace drying method is;
Furnace drying method includes two sections of flows of preliminary drying stage and baking stage, is dried using enclosed heat pump dehumanization method in baking stage Material internal moisture, open circulation is used in the preliminary drying stage, and wet stock is heated using baking stage heat pump condenser partial heat And dried material top layer moisture, during humid air drains into environment after drying.
7. the two-part heat pump drying method of wet stock containing volatile component as claimed in claim 6, it is characterised in that the drying Method is specially;
Open type preliminary drying stage heat is provided by the first heat pump, and outdoor air is blown into by first circulation blower fan and is changed with the first condenser Hot blast is obtained after heat, the wet stock for entering the preliminary drying heating period is dried.Enclosed baking stage uses bypass type heat-pump dehumidification, the Dry hot-air in the presence of two blower fans to be circulated in enclosed baking stage, air humidity increases, bypath air is by the first evaporation Device, the second evaporator, the 3rd evaporator are cooled to and condensed water and discharge system are separated out below dew point, and low temperature saturated moist air passes through Second condenser, the 3rd condenser, are heated to form and dry hot-air, and wet stock is heated after mixing with circulation air.
CN201710244400.0A 2017-04-14 2017-04-14 A kind of two-part heat pump drying equipment of wet stock containing volatile component and furnace drying method Pending CN106931742A (en)

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Application Number Priority Date Filing Date Title
CN201710244400.0A CN106931742A (en) 2017-04-14 2017-04-14 A kind of two-part heat pump drying equipment of wet stock containing volatile component and furnace drying method

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Application Number Priority Date Filing Date Title
CN201710244400.0A CN106931742A (en) 2017-04-14 2017-04-14 A kind of two-part heat pump drying equipment of wet stock containing volatile component and furnace drying method

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CN106931742A true CN106931742A (en) 2017-07-07

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110926179A (en) * 2018-09-19 2020-03-27 宁夏源泉农林生态科技有限公司 Step temperature-distribution type circulating heat pump dehumidification fresh wolfberry fruit dryer
CN112534199A (en) * 2018-06-29 2021-03-19 索瓦有限公司 Drying apparatus for wet substrates and related drying method for wet substrates
CN112618364A (en) * 2020-12-17 2021-04-09 东莞市风火轮热能科技有限公司 Processing and drying method and production line for traditional Chinese medicinal materials
CN113654305A (en) * 2021-08-05 2021-11-16 华南农业大学 Bamboo filament grading circulation drying method, recombined bamboo prepared by same and application of recombined bamboo

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CN104880043A (en) * 2015-05-21 2015-09-02 成都中牧生物药业有限公司 Drying machine for medicine bottle based on hot air cyclic utilization
CN204854276U (en) * 2015-07-22 2015-12-09 罗平县阳洋黄姜有限公司 Ginger splices is tunnel cave for drying
CN204881068U (en) * 2015-08-14 2015-12-16 广东行峰冷热设备有限公司 Energy -efficient drying equipment
CN105130157A (en) * 2015-09-09 2015-12-09 东莞东元环境科技有限公司 Drying chamber air distribution structure capable of efficiently dehumidifying
CN106115645A (en) * 2016-06-28 2016-11-16 四川省汉源化工总厂 A kind of production method of feed-level calcium biphosphate
CN106352686A (en) * 2016-08-25 2017-01-25 楚天科技股份有限公司 Tunnel type sterilization dryer and laminar flow control method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112534199A (en) * 2018-06-29 2021-03-19 索瓦有限公司 Drying apparatus for wet substrates and related drying method for wet substrates
CN110926179A (en) * 2018-09-19 2020-03-27 宁夏源泉农林生态科技有限公司 Step temperature-distribution type circulating heat pump dehumidification fresh wolfberry fruit dryer
CN112618364A (en) * 2020-12-17 2021-04-09 东莞市风火轮热能科技有限公司 Processing and drying method and production line for traditional Chinese medicinal materials
CN113654305A (en) * 2021-08-05 2021-11-16 华南农业大学 Bamboo filament grading circulation drying method, recombined bamboo prepared by same and application of recombined bamboo

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