CN106813467A - Hot blast and infrared combined dryer - Google Patents
Hot blast and infrared combined dryer Download PDFInfo
- Publication number
- CN106813467A CN106813467A CN201710161693.6A CN201710161693A CN106813467A CN 106813467 A CN106813467 A CN 106813467A CN 201710161693 A CN201710161693 A CN 201710161693A CN 106813467 A CN106813467 A CN 106813467A
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- China
- Prior art keywords
- hothouse
- casing
- hot blast
- infrared
- meausring apparatus
- 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
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- 239000000463 material Substances 0.000 claims abstract description 56
- 239000000725 suspension Substances 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 238000005303 weighing Methods 0.000 claims abstract description 12
- 230000008859 change Effects 0.000 claims description 9
- 235000004443 Ricinus communis Nutrition 0.000 claims description 2
- 238000001035 drying Methods 0.000 abstract description 40
- 238000010438 heat treatment Methods 0.000 abstract description 26
- 239000002932 luster Substances 0.000 abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 4
- 238000011105 stabilization Methods 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 238000005491 wire drawing Methods 0.000 description 4
- 238000007605 air drying Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010981 drying operation Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005325 percolation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/18—Chambers, containers, receptacles of simple construction mainly open, e.g. dish, tray, pan, rack
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Drying Of Solid Materials (AREA)
Abstract
A kind of hot blast and infrared combined dryer, including casing (2), it is characterised in that：The box cavity is provided with hothouse casing (2) exocoel and is connected with axial flow blower (5), material disc holder (21) in the hothouse, multilayers charging tray can be put, the hothouse top is provided with meausring apparatus (23), meausring apparatus (23) weighing plate is provided with suspension rod (26), the suspension rod (26) is connected with the material disc holder (21) in hothouse, the hothouse top is provided with machine vision detection device (22), is at least provided with infrared tube (3) between lower wall on casing (2).Compared with prior art：Can realize being rapidly heated and reaching homogeneous temperature field, solve the characteristics of efficiency of heating surface in traditional drying equipment is low, drying is not uniform enough, and the features such as moisture content detection detects automation with color and luster in drying process can be realized.
Description
Technical field
The present invention relates to technical field of agricultural product process, especially a kind of hot blast and infrared combined dryer.
Background technology
" infrared convection current combined dryer " disclosed in China Patent No. CN204718333U employ hot blast with it is infrared
Close in dry method, but above-mentioned patent firing equipment and there is a problem of that the homogeneous heating degree of material is poor, cause to be heated material
The excessive problem of local heating.
Traditional color and luster for material in drying process mainly carries out aberration and reads then using colour difference meter, color difference meter etc.
Graphical analysis is carried out, there is a problem of very big, colour difference meter is convenient succinct for the extraction comparison of color and luster, but there is certain office
Sex-limited, i.e., color and luster extracts staff and must often carry aberration instrument and need to set color and luster extraction platform.
The device is data transfer that the material in the drying process is weighed and will be obtained on PC, while
Applicable industry camera can be done in real time online image zooming-out function in drying process, can be with to the color and luster change in drying process
Real-time detection and material need not be taken out.
Heated-air drying is divided into that the horizontal gas flow passed through along surface of material is dried and hot blast passes perpendicularly through material bed percolation
Dry, advection is dried compared to for cross-flow drying, and dried material is more when energy consumption is identical, and drying time is long, the letter of heated-air drying equipment
Single, low production cost, but drying time is long, and product integrated quality is poor.
Compared with traditional hot blast, infrared heating drying time is short, efficiency high, but the inhomogeneities of infrared heating is tight
The outward appearance even inside quality of product is had influence on again, therefore takes the hot blast can not only to improve dry with the method for infrared combined drying
Dry efficiency and reducing energy consumption, can also simultaneously join two kinds of even two or more drying means according to specific material characteristic
Conjunction is dried.
The traditional moisture content on drying process, moisture than detection be mainly and taken the dry material of institute by timing
Go out, being placed in carries out operation of weighing in weighing apparatus, reach the moisture content detection to drying process.
Pin above mentioned problem, using hot blast with infrared combined drying mode as drying source, and designs device and makes drying
Case internal temperature field is identical, while in drying process, the accurate of applying electronic balance weighs function, with electronic balance as core
Design device, realizes carrying out data record to detect moisture content to the weight of material in drying process, while applicable industry camera
The high precision image of surface of material in drying process is obtained, and then is transferred to color and luster analysis is carried out on PC.
The content of the invention
The technical problems to be solved by the invention are that traditional heated air drying equipment is simple, low production cost, but when drying
Between it is long, product integrated quality is poor；Infrared heating drying time is short, efficiency high, but the inhomogeneities of infrared heating is serious
The problems such as having influence on the outward appearance or even inside quality of product.
To achieve the above object, the present invention provides following technical scheme：A kind of hot blast and infrared combined dryer, bag
Including rack (1), it is characterised in that：Frame (1) is provided with casing (2) and meausring apparatus (23), and casing (2) inner chamber is drying
Room, is provided with material disc holder (21) and infrared tube (3) in hothouse, the casing (2) is provided with air intake passage (6) and return air is logical
Road (4), the hothouse is connected by air intake passage (6) and return air channel (4) with axial flow blower (5), at least air intake passage (6)
Heater (61) is inside provided with, the meausring apparatus (23) is located at the top of casing (2), is provided with meausring apparatus (23), the title
Amount device (23) weighing plate is provided with suspension rod (26), and the suspension rod (26) is connected with the material disc holder (21) in hothouse, energy
Enough weigh the change of weight of material on material disc bracket (21).
When actually used：A kind of hot blast and infrared combined dryer, hothouse are a casing (2), casing (2) side wall
Air intake passage (6) is provided with, opposite side is provided with and heater (61) is provided with return air channel (4), air intake passage (6), heating dress
It is three equally distributed heating tubes to put (61), and gas after heating enters in hothouse after heater (61)
Portion, it is 475m × 475m inside the square section of one 300m × 300m, hothouse to be by air inlet (24) due to hothouse
Section, thus by hothouse after, hothouse internal temperature field, by experimental test, is provided with than more uniform inside hothouse
Temperature sensor, when hot gas is by hothouse inside, the temperature value that temperature sensor is collected is ± 2 DEG C, the drying
Chamber interior is used to aid in four infrared tubes (3) of heating to be uniformly distributed in four angles of hothouse, due to four infrared tube (3) power
It is identical, opened with pass by the electric control of 220V two-phases is same, therefore can be using infrared heating to hothouse inside after drying starts
To reach temperature needed for experiment, the fabric dryer will reach design temperature in 15~20min for quick heating, and temperature reaches stabilization still
8min~12min is needed, and more than infrared heating twice more time-consuming than Hot-blast Heating, it is only necessary to 5~10min can reach
Set temperature, by 5 temperature sensor DS18B20 monitoring temperatures in drying is carried out, can carry out temperature to hothouse at any time
Degree compensation.
When machine runs, axial flow blower (5) will blow air into air inlet (24), and heater (61) is to air intake passage
(6) air in is heated, and into hothouse, is then carried out hot blast into axial flow blower (5) by return air channel (4) and is followed
The air of air intake and outlet air end is formed circulating air by ring, axial flow blower (5), is blown from the outlet air end of the axial flow blower (5)
Go out.Dehumidifier pipe (41) and air intake duct (42) are adjusted to humidity in air channel in drying process, and infrared tube (3) is distributed in casing
(2) four positions, keep playing booster action to being rapidly heated inside hothouse and temperature.
Material disc holder (21) is provided with the hothouse, the material disc holder (21) sets multi-step, and is provided with
Adjusting means, can put multilayers charging tray on ladder, the hothouse top is provided with meausring apparatus (23), the meausring apparatus (23)
Weighing plate is provided with suspension rod (26), and the suspension rod (26) is connected with the material disc holder (21) in hothouse.
Its online weighing function is as follows：Material is placed in material disc, material disc is placed in material disc holder (21), material disc
Bracket (21) upper end perforate, is connected by hothouse upper wall surface by suspension rod (26) with the top board of meausring apparatus (23), top board
It is placed horizontally on electronic weighting equipment (23) weighing plate, meausring apparatus (23) is connected by serial ports with PC ends, can be adopted at any time
Collect the weight change of material.
The frame (1) is aluminium section bar as framework, and interior filling wire drawing stainless steel materials, frame (1) bottom is provided with universal
Castor (7), chooses aluminium section bar and does framework reduction quality, and interior filling wire drawing stainless steel materials proof strength is provided with universal caster wheel (7)
Facilitate the movement of whole support body, therefore, drying machine can be moved according to demand, and can guarantee that the drying operation of stabilization.
As improvement：Casing (2) top is provided with perforate, and perforate top is provided with machine vision detection device (22), machine
Device vision inspection apparatus (22) can detect the object color change being placed on pallet.
Its vision-based detection function is as follows：During dry materials, LED light source is placed in normal bright state, light source adjusting bracket according to
Light source form is processed, and is coordinated with light source and is fixed on camera link, and camera heights adjusting bracket passes through phase in the course of work
Inside groove in the middle of machine link is fixed by nut, the i.e. adjustable industrial camera of height and it is material bed between specific height, afterwards
Industrial camera is that can obtain material optimized image and transmit to PC subsequent treatment by glass plate.
As improvement：Return air channel (4) top is provided with dehumidifier pipe (41), and return air channel (4) bottom is provided with air intake duct
(42)。
When actually used：When machine runs, axial flow blower (5) will blow air into air inlet (24), and heating tube is to entering
Air in wind passage (6) is heated, and into hothouse (2), is then entered axial flow blower (5) by return air channel (4) and is entered
Row hot air circulation, dehumidifier pipe (41) and air intake duct (42) are adjusted to humidity in air channel in return air channel (4) drying process.
Compared with prior art：Can realize being rapidly heated and reaching homogeneous temperature field；In solving traditional drying equipment
The characteristics of efficiency of heating surface is low, drying is not uniform enough, and moisture content detection and color and luster detection automation in drying process can be realized
The features such as.
Brief description of the drawings：
Fig. 1 is that the embodiment of the present invention 1 tiltedly cuts open structural representation.
Fig. 2~3 are equiaxial side structure schematic diagrames of the invention.
Fig. 4 is left view structural representation of the present invention.
Fig. 5 is A-A direction structure schematic diagrames in Fig. 4.
Shown in figure：1 is frame, and 2 is casing, and 21 is material disc holder, and 22 is machine vision detection device, and 23 is to weigh
Device, 24 is air inlet, and 25 is return air inlet, and 26 is suspension rod, and 3 is infrared tube, and 4 is return air channel, and 41 is dehumidifier pipe, and 42 is air-breathing
Pipe, 5 is axial flow blower, and 6 is air intake passage, and 61 is heater, and 7 is universal caster wheel.
Specific embodiment
The following detailed description of the preferred embodiment of the present invention.
Embodiment 1：Reference picture 1~5, is the structural representation of the embodiment of the present invention 1, a kind of hot blast and infrared combined drying
Device, including frame 1, it is characterised in that：Frame 1 is provided with casing 2 and meausring apparatus 23, and the inner chamber of the casing 2 is hothouse,
Material disc holder 21 and infrared tube 3 are provided with hothouse, the casing 2 is provided with air intake passage 6 and return air channel 4, described dry
Dry room is connected by air intake passage 6 and return air channel 4 with axial flow blower 5, is at least provided with heater 61, institute in air intake passage 6
The top that meausring apparatus 23 is located at casing 2 is stated, meausring apparatus 23 is provided with, the weighing plate of the meausring apparatus 23 is provided with suspension rod 26,
The suspension rod 26 is connected with the material disc holder 21 in hothouse, can weigh the change of weight of material on material disc bracket 21.
When actually used：A kind of hot blast and infrared combined dryer, hothouse are a casing (2), casing (2) side wall
Air intake passage (6) is provided with, opposite side is provided with and heater (61) is provided with return air channel (4), air intake passage (6), heating dress
It is three equally distributed heating tubes to put (61), and gas after heating enters in hothouse after heater (61)
Portion, it is 475m × 475m inside the square section of one 300m × 300m, hothouse to be by air inlet (24) due to hothouse
Section, thus by hothouse after, hothouse internal temperature field, by experimental test, is provided with than more uniform inside hothouse
Temperature sensor, when hot gas is by hothouse inside, the temperature value that temperature sensor is collected is ± 2 DEG C, the drying
Chamber interior is used to aid in four infrared tubes (3) of heating to be uniformly distributed in four angles of hothouse, due to four infrared tube (3) power
It is identical, opened with pass by the electric control of 220V two-phases is same, therefore can be using infrared heating to hothouse inside after drying starts
To reach temperature needed for experiment, the fabric dryer will reach design temperature in 15~20min for quick heating, and temperature reaches stabilization still
8min~12min is needed, and more than infrared heating twice more time-consuming than Hot-blast Heating, it is only necessary to 5~10min can reach
Set temperature, by 5 temperature sensor DS18B20 monitoring temperatures in drying is carried out, can carry out temperature to hothouse at any time
Degree compensation.
When machine runs, axial flow blower 5 will blow air into air inlet 24, and heater 61 is in air intake passage 6
Air is heated, and into hothouse, then carries out hot air circulation, axial flow blower 5 into axial flow blower 5 by return air channel 4
The air of air intake and outlet air end is formed into circulating air, is blown out from the outlet air end of the axial flow blower 5.Taken out in drying process
Wet pipe 41 and air intake duct 42 are adjusted to humidity in air channel, and infrared tube 3 is distributed in four positions of casing 2, in hothouse
Portion be rapidly heated and temperature keep play booster action.
Material disc holder 21 is provided with the hothouse, the material disc holder 21 sets multi-step, and is provided with regulation
Device, can put multilayers charging tray on ladder, the hothouse top is provided with meausring apparatus 23, on the weighing plate of the meausring apparatus 23
Suspension rod 26 is provided with, the suspension rod 26 is connected with the material disc holder 21 in hothouse.
Its online weighing function is as follows：Material is placed in material disc, material disc is placed in material disc holder 21, material pan arrest
The upper end perforate of frame 21, is connected by hothouse upper wall surface by suspension rod 26 with the top board of meausring apparatus 23, top board horizontal positioned
In on the weighing plate of electronic weighting equipment 23, meausring apparatus 23 is connected by serial ports with PC ends, and the weight of material can be gathered at any time
Change.
The frame 1 be aluminium section bar as framework, interior filling wire drawing stainless steel materials, the bottom of frame 1 is provided with universal caster wheel
7, to choose aluminium section bar and do framework reduction quality, interior filling wire drawing stainless steel materials proof strength is provided with universal caster wheel 7 convenient whole
The movement of support body, therefore, drying machine can be moved according to demand, and can guarantee that the drying operation of stabilization.
Embodiment 2：Compared with Example 1, the difference of the present embodiment is：The top of the casing 2 is provided with perforate, opens
Hole top is provided with machine vision detection device 22, and machine vision detection device 22 can detect that the object color being placed on pallet becomes
Change.
Its vision-based detection function is as follows：During dry materials, LED light source is placed in normal bright state, light source adjusting bracket according to
Light source form is processed, and is coordinated with light source and is fixed on camera link, and camera heights adjusting bracket passes through phase in the course of work
Inside groove in the middle of machine link is fixed by nut, the i.e. adjustable industrial camera of height and it is material bed between specific height, afterwards
Industrial camera is that can obtain material optimized image and transmit to PC subsequent treatment by glass plate.
Embodiment 3：Compared with embodiment 1 or 2, the difference of the present embodiment is：The top of the return air channel 4 is provided with
Dehumidifier pipe 41, the bottom of return air channel 4 is provided with air intake duct 42.
When actually used：When machine runs, axial flow blower 5 will blow air into air inlet 24, and heating tube is logical to air intake
Air in road 6 is heated, and into hothouse 2, then carries out hot air circulation into axial flow blower 5 by return air channel 4,
Dehumidifier pipe 41 and air intake duct 42 are adjusted to humidity in air channel in the drying process of return air channel 4.
Above-described is only the preferred embodiment of the present invention, it is noted that for one of ordinary skill in the art
For, without departing from the concept of the premise of the invention, some changes and improvements can also be made, these belong to the present invention
Protection domain.
Claims (5)
1. a kind of hot blast and infrared combined dryer, including frame (1), it is characterised in that：Frame (1) is provided with casing (2)
With meausring apparatus (23), casing (2) inner chamber is hothouse, and material disc holder (21) and infrared tube (3) are provided with hothouse,
The casing (2) is provided with air intake passage (6) and return air channel (4), and the hothouse passes through air intake passage (6) and return air channel
(4) connected with axial flow blower (5), be at least provided with heater (61) in air intake passage (6), the meausring apparatus (23) is located at case
The top of body (2), is provided with meausring apparatus (23), and meausring apparatus (23) weighing plate is provided with suspension rod (26), the suspension rod
(26) it is connected with the material disc holder (21) in hothouse, the change of weight of material on material disc bracket (21) can be weighed.
2. hot blast as claimed in claim 1 and infrared combined dryer, it is characterised in that：On the material tray frame (21)
Multiple layer tray can be placed.
3. hot blast as claimed in claim 1 or 2 and infrared combined dryer, it is characterised in that：Casing (2) top sets
There is perforate, perforate top is provided with machine vision detection device (22), and machine vision detection device (22) can be detected and be placed in pallet
On object color change.
4. hot blast as claimed in claim 1 or 2 and infrared combined dryer, it is characterised in that：On the return air channel (4)
Portion is provided with dehumidifier pipe (41), and return air channel (4) bottom is provided with air intake duct (42).
5. hot blast as claimed in claim 1 or 2 and infrared combined dryer, it is characterised in that：Frame (1) bottom is provided with ten thousand
To castor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710161693.6A CN106813467A (en) | 2017-03-17 | 2017-03-17 | Hot blast and infrared combined dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710161693.6A CN106813467A (en) | 2017-03-17 | 2017-03-17 | Hot blast and infrared combined dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106813467A true CN106813467A (en) | 2017-06-09 |
Family
ID=59116170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710161693.6A Pending CN106813467A (en) | 2017-03-17 | 2017-03-17 | Hot blast and infrared combined dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106813467A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062827A (en) * | 2017-06-07 | 2017-08-18 | 中国农业大学 | A kind of infrared hot wind combined drying case of temperature controllable damping |
| CN108036594A (en) * | 2018-01-15 | 2018-05-15 | 张家港炬弘板业有限公司 | A kind of combined type baking oven for being used to produce coil of strip |
| CN113465315A (en) * | 2021-07-06 | 2021-10-01 | 北京石油化工学院 | Hot air drying device and method with online weighing and image monitoring functions |
| CN115654860A (en) * | 2022-12-12 | 2023-01-31 | 西南大学 | Thin-layer drying machine for online detection of water content of material |
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| CN205679007U (en) * | 2016-05-26 | 2016-11-09 | 江西顺福堂中药饮片有限公司 | A kind of Chinese medicine heated-air circulation oven |
| CN205980594U (en) * | 2016-07-12 | 2017-02-22 | 天津市晨辉饲料有限公司 | Safe multi -functional electric hot drying case |
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| CN107062827A (en) * | 2017-06-07 | 2017-08-18 | 中国农业大学 | A kind of infrared hot wind combined drying case of temperature controllable damping |
| CN107062827B (en) * | 2017-06-07 | 2018-12-18 | 中国农业大学 | A kind of infrared hot wind combined drying case of temperature controllable damping |
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Application publication date: 20170609 |