CN201697442U - Hot air drying device - Google Patents
Hot air drying device Download PDFInfo
- Publication number
- CN201697442U CN201697442U CN2010201986782U CN201020198678U CN201697442U CN 201697442 U CN201697442 U CN 201697442U CN 2010201986782 U CN2010201986782 U CN 2010201986782U CN 201020198678 U CN201020198678 U CN 201020198678U CN 201697442 U CN201697442 U CN 201697442U
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- air
- heating furnace
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- hothouse
- drying
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Abstract
The utility model relates to a hot air drying device, which fundamentally solves the problems of nonuniform heat transfer, low heat transfer efficiency, energy source waste and long drying time of the existing drying device. The hot air drying device comprises a drying chamber and a heating furnace. The utility model has the main technical scheme that the heating furnace is arranged at the outer side of the drying chamber, air inlets are arranged at a case of the heating furnace, a plurality of heating pipelines communicated with the air inlets are arranged inside the heating furnace, air inlet pipes communicated with the air inlets are in jacket type structures which are sheathed and arranged at the outer side of a chimney of the heating furnace, a casing of the heating furnace is connected with an air suction opening of a blower, hot air pipelines are paved on the ground inside the drying chamber, and are connected with an air exhaust opening of the blower, the outer wall of the hot air pipelines is provided with a plurality of vent holes, the top part of the drying chamber is provided with an exhaust valve, the top part of the drying chamber is additionally provided with an air return pipe, the other end of the air return pipe is communicated with the heating pipelines arranged in the heating furnace, and an air return valve is arranged on the air return pipe. The utility model ensures the drying quality of medical materials, agricultural products and the like, has the advantages of safety and reliability, and is suitable for being used for drying various Chinese herbal medicine materials or agricultural products.
Description
Technical field
The utility model relates to a kind of drying device, and what particularly a kind of drying effect was good and drying efficiency is high can be to the hot-air drying device of dry object continuous drying.Be applicable to drying to various Chinese medicinal herbses or agricultural product.
Background technology
At present, the resident on ground such as China part mountain area makes a living to produce Chinese medicinal herbs, and higher and good preservation the because of the economic worth of dried medicinal material is so deposit after people are dried mostly in order to sell in the future.So the dry run of medicinal material becomes the committed step that guarantees quality of medicinal material, realizes its economic worth.Traditional drying mode is to adopt natural airing, but this mode required time is long, airing by day, it is darker influenced by the nature situation, as rainy weather, more can incur loss through delay drying efficiency, influence dry mass, cause the effective nutrition loss in the medicinal material serious.In this case, utilize the drying mode of heating furnace, hothouse to replace the former gradually.Its main technical schemes is: heating furnace is set in the hothouse of the sealing of setting up, reaches the hot blast wall that communicates with heating furnace, the drying frame that hangs medicinal material, agricultural product etc. is set on the hot blast wall.When the hot flue gas that produces when the heating furnace internal combustion entered within the walls flue of hot blast, hot blast face of wall temperature raise gradually, and at this moment, the radiant heat that can produce by the hot blast wall carries out drying to the medicinal material on the drying frame etc.This drying mode can carry out drying to dry object continuously, has broken away from the influence that the weather reason causes, but still has a following deficiency: at first, conduct heat inhomogeneous, heat transfer efficiency is low, wastes energy, drying time is still longer, generally needs 4-5 days.Be dried medicinal material because drying time is long easy to change, directly influence quality of medicinal material.Simultaneously, the hot blast wall often is heated and causes it very easily to ftracture, and the situation of dry object, breaking out of fire happens occasionally because cracking ignites, and finds untimelyly will cause heavy losses.
In sum, existing drying mode and drying device are demanded urgently improving.
The utility model content
The purpose of this utility model is for more reasonably hot-air drying device of a kind of structural design is provided, fundamentally solved existing drying device conduct heat inhomogeneous, heat transfer efficiency is low, waste energy, the problem that drying time is long, simultaneously, assurance is to the dry mass of medicinal material, agricultural product etc., and is safe and reliable.
The technical solution of the utility model is: a kind of hot-air drying device, comprise hothouse, heating furnace, its technical essential is: described heating furnace is arranged on the described hothouse outside, described oven enclosure is offered air inlet, described inside heating furnace is provided with the water back that some and described air inlet communicates, the blast pipe that is connected with described air inlet is a jacket type structure, be sleeved on the chimney outside of described heating furnace, described heating furnace housing connects the inlet scoop of blower fan, described hothouse internal ground is laid hot air duct, described hot air duct links to each other with the exhaust outlet of described blower fan, described hot air duct outer wall is offered some air vents, and described hothouse top is provided with air bleeding valve, and described hothouse top is provided with backwind tube in addition, the described backwind tube other end communicates with described water back in the described heating furnace, on the described backwind tube air returning valve is set.
Described water back laterally alternately, utilizes the baffle interval that increases heat exchange area from top to bottom between the described water back in described heating furnace.
Described blower fan exhaust outlet place connects combustion-supporting blast pipe in addition and feeds fire grate below in the described heating furnace, on the described combustion-supporting blast pipe adjusting valve is set.
Hot air duct in the described hothouse is divided into trunk line and lateral.
The dry support that is used for placing dry object is set in the described hothouse.
Advantage of the present utility model and positive technique effect are: because the utility model adopts blower fan to import the hot-air flow that heats in the heating furnace in the hothouse hot air duct, to import in the hothouse by the air vent on the hot air duct, and then hot-air flow directly carries out drying to dry object.The more existing radiant heat drying mode of this heated-air drying mode has shortened drying time greatly, approximately finishes dry run in 36-48 hour, and its heat-transfer effect is good, heat transfer efficiency height, the quality of the object that guaranteed to be dried.Simultaneously, hot air duct is just introduced hot-air flow in the hothouse, can not cause the generation of fire condition, makes the use of this device more safe and reliable.In addition, because the blast pipe of heating furnace is sleeved on the chimney outside of body of heater, the heat that utilizes the chimney outer wall enters the water back heating in the heating furnace again to entering the air-flow preheating in the blast pipe, can reach the purpose of saving the energy.Backwind tube can be passed the hot-air flow in the hothouse in the heating furnace back, recycles, and helps energy-conservation, the drying effect of this device more.To sum up, the utility model fundamentally solved existing drying device conduct heat inhomogeneous, heat transfer efficiency is low, wastes energy, the problem that drying time is long has practical value very.
Description of drawings
The utility model is described in further detail in conjunction with the accompanying drawings:
Fig. 1 is a front view of the present utility model;
Fig. 2 is the vertical view of Fig. 1.
Sequence number explanation among the figure: 1 air bleeding valve, 2 air returning valves, 3 backwind tubes, 4 baffle plates, 5 heating furnaces, 6 water backs, 7 air inlets, 8 chimneys, 9 blast pipes, 10 ash holes, 11 fire doors, 12 ash holes, 13 inlet scoops, 14 blower fans, 15 exhaust outlets, 16 combustion-supporting blast pipes, 17 adjusting valves, 18 hot air ducts, 19 trunk lines, 20 laterals, 21 air vents, 22 dry supports, 23 hothouses.
The specific embodiment
According to Fig. 1-2 the utility model is described in detail.This hot-air drying device mainly is made up of hothouse 23, heating furnace 5, blower fan 14 etc.Wherein heating furnace 5 is arranged on hothouse 23 outsides, and heating furnace 5 bottoms are provided with fire door 11 and ash hole 12, is provided with some water backs 6 in heating furnace 5 upper chamber, offers air inlet 7 on heating furnace 5 shells, and air inlet 7 communicates with water back 6.From top to bottom laterally alternately, the air-flow that enters from air inlet 7 flows in water back 6 water back 6 in heating furnace 5, realizes the purpose that heats with this.Between each water back 6, can utilize baffle plate 4 at interval, increase the heat exchange distance of air-flow in water back 6, i.e. heat exchange area with this.Heating furnace 5 housings connect the inlet scoop 13 of blower fan 14, and inlet scoop 13 communicates with water back 6, so under the effect of blower fan 14, hot-air flow enters blower fan 14 by inlet scoop 13, and by exhaust outlet 15 discharges of blower fan 14.Hothouse 23 internal grounds are laid hot air duct 18, hot air duct 18 links to each other with the exhaust outlet 15 of blower fan 14, so hot-air flow enters in the hothouse 23 by some air vents 21 of offering on hot air duct 18 and the hot air duct outer wall, hot air duct 18 is divided into trunk line 19 and lateral 20, be more conducive to ventilate useful drying effect.Dry support 22 is set in the hothouse 23, can hangs dry object on the dry support 22.The blast pipe 9 that is connected with the air inlet 7 of heating furnace 5 is jacket type structure, the openend of blast pipe 9 is sleeved on chimney 8 outsides of heating furnace 5, under the suction of blower fan 14, the air-flow that enters blast pipe 9 can utilize chimney 8 preheatings of heating furnace earlier, the realization reasonable resources is utilized, and has reduced the loss of heat.Chimney 8 belows are provided with ash hole 10.Hothouse 23 tops are provided with backwind tube 3, and backwind tube 3 other ends communicate with water back 6 in the heating furnace 5, and air returning valve 2 is set on the backwind tube 3, and hothouse 23 tops are provided with air bleeding valve 1.After heated air stream enters hothouse 23, the dry run initial stage, can be because dry object dehydration produce moisture in hothouse 23, open air bleeding valve 1 this moment, moisture can be emitted.Treat after the moisture emptying, air returning valve on the backwind tube 32 can be opened, water back 6 in hothouse 23 and the heating furnace 5 is communicated, hot-air flow in the hothouse 23 enters water back 6 by backwind tube 3, enter again in hot air duct 18, the hothouse 23, then the hot-air flow reusable edible is saved the energy.Exhaust outlet 15 places at blower fan 14 connect combustion-supporting blast pipe 16 in addition, and combustion-supporting blast pipe 16 other ends feed the fire grate below of heating furnace 5, play combustion-supporting effect, on the combustion-supporting blast pipe 16 adjusting valve 17 are set, control air quantity and fired state.
Claims (5)
1. hot-air drying device, comprise hothouse, heating furnace, it is characterized in that: described heating furnace is arranged on the described hothouse outside, described oven enclosure is offered air inlet, described inside heating furnace is provided with the water back that some and described air inlet communicates, the blast pipe that is connected with described air inlet is a jacket type structure, be sleeved on the chimney outside of described heating furnace, described heating furnace housing connects the inlet scoop of blower fan, described hothouse internal ground is laid hot air duct, described hot air duct links to each other with the exhaust outlet of described blower fan, described hot air duct outer wall is offered some air vents, and described hothouse top is provided with air bleeding valve, and described hothouse top is provided with backwind tube in addition, the described backwind tube other end communicates with described water back in the described heating furnace, on the described backwind tube air returning valve is set.
2. hot-air drying device according to claim 1 is characterized in that: described water back laterally alternately, utilizes the baffle interval that increases heat exchange area from top to bottom between the described water back in described heating furnace.
3. hot-air drying device according to claim 1 is characterized in that: described blower fan exhaust outlet place connects combustion-supporting blast pipe in addition and feeds fire grate below in the described heating furnace, on the described combustion-supporting blast pipe adjusting valve is set.
4. hot-air drying device according to claim 1 is characterized in that: the hot air duct in the described hothouse is divided into trunk line and lateral.
5. hot-air drying device according to claim 1 is characterized in that: the dry support that is used for placing dry object is set in the described hothouse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201986782U CN201697442U (en) | 2010-05-21 | 2010-05-21 | Hot air drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201986782U CN201697442U (en) | 2010-05-21 | 2010-05-21 | Hot air drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201697442U true CN201697442U (en) | 2011-01-05 |
Family
ID=43398689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201986782U Expired - Fee Related CN201697442U (en) | 2010-05-21 | 2010-05-21 | Hot air drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201697442U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335506A (en) * | 2013-06-09 | 2013-10-02 | 南宁市桂合丝业有限公司 | Drying house for multi-level utilization of waste heat of chimney flue |
| CN103673530A (en) * | 2013-12-10 | 2014-03-26 | 朱莉娟 | Drying and cooling device for producing ceramic |
| CN104019644A (en) * | 2014-06-18 | 2014-09-03 | 刘可心 | Drying, dehydrating and dehumidifying device |
| CN104359325A (en) * | 2014-11-06 | 2015-02-18 | 南宁市桂合丝业有限公司环保节能科技研发中心 | Kiln furnace waste gas heat energy double-cycle recovery method and device |
| CN104782741A (en) * | 2015-03-24 | 2015-07-22 | 福建省莆田市禾硕农业开发有限公司 | Manufacturing equipment for dried longan |
| CN108151469A (en) * | 2017-12-26 | 2018-06-12 | 安徽羽洁家纺有限公司 | A kind of removal of impurities drying unit of natural feather |
| CN110173983A (en) * | 2019-06-05 | 2019-08-27 | 紫江炉业南京有限公司 | Rubber and plastic boards hot-blast heater |
-
2010
- 2010-05-21 CN CN2010201986782U patent/CN201697442U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335506A (en) * | 2013-06-09 | 2013-10-02 | 南宁市桂合丝业有限公司 | Drying house for multi-level utilization of waste heat of chimney flue |
| CN103673530A (en) * | 2013-12-10 | 2014-03-26 | 朱莉娟 | Drying and cooling device for producing ceramic |
| CN104019644A (en) * | 2014-06-18 | 2014-09-03 | 刘可心 | Drying, dehydrating and dehumidifying device |
| CN104359325A (en) * | 2014-11-06 | 2015-02-18 | 南宁市桂合丝业有限公司环保节能科技研发中心 | Kiln furnace waste gas heat energy double-cycle recovery method and device |
| CN104359325B (en) * | 2014-11-06 | 2016-08-24 | 南宁市桂合丝业有限公司环保节能科技研发中心 | Kiln heat energy from waste gas Two-way Cycle recovery method and device |
| CN104782741A (en) * | 2015-03-24 | 2015-07-22 | 福建省莆田市禾硕农业开发有限公司 | Manufacturing equipment for dried longan |
| CN104782741B (en) * | 2015-03-24 | 2018-04-20 | 福建省莆田市禾硕农业开发有限公司 | A kind of dried longan making apparatus |
| CN108151469A (en) * | 2017-12-26 | 2018-06-12 | 安徽羽洁家纺有限公司 | A kind of removal of impurities drying unit of natural feather |
| CN110173983A (en) * | 2019-06-05 | 2019-08-27 | 紫江炉业南京有限公司 | Rubber and plastic boards hot-blast heater |
| CN110173983B (en) * | 2019-06-05 | 2024-04-23 | 紫江炉业南京有限公司 | Hot air heating furnace for rubber and plastic plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20110521 |