CN105728292A - Electric heating device - Google Patents
Electric heating device Download PDFInfo
- Publication number
- CN105728292A CN105728292A CN201610244150.6A CN201610244150A CN105728292A CN 105728292 A CN105728292 A CN 105728292A CN 201610244150 A CN201610244150 A CN 201610244150A CN 105728292 A CN105728292 A CN 105728292A
- Authority
- CN
- China
- Prior art keywords
- casing
- conveyer belt
- electric heater
- pair
- heater unit
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0413—Heating with air
Abstract
The invention provides an electric heating device. The electric heating device comprises a tank body (1), a conveyer belt (6), at least one fan (4), a pair of first separation boards (9) and a pair of second separation boards (10), wherein a heating element (3) is arranged at the bottom of the tank body; the conveyer belt (6) is used for bearing workpieces to be heated; at least part of conveyer belt (6) is positioned in the tank body (1) and is positioned above the heating element (3); the at least one fan (4) is arranged in the tank body (1) and is positioned below the conveyer belt (6); the pair of the first separation boards (9) is used for dividing the inside of the tank body (1) into an ascending air current channel (11) and a descending air current channel (12); and the pair of second separation boards (10) is arranged at the top of the tank body (1) and is used for changing ascending air current into descending air current. According to the electric heating device provided by the invention, by forming a hot air circulating system, the drying effect of products can be remarkably improved, and energy consumption is reduced.
Description
Technical field
The present invention relates to a kind of electric heater unit, particularly relate to a kind of electric heater unit for product external coating is dried.
Background technology
Industrial electro heater in the market, it is also referred to as electric furnace, electric oven, electromagnetism baking oven or electric furnace etc., it is all simply electricity heating brick or heating wire are fixed on box bottom product is heated, electricity heating brick or heating wire are arranged over monolayer device for transporting objects or the bilayer formed by circulating conveyor chain bar or multilayer dose conveyer device, by arranging bilayer or multilayer dose conveyer device can make material travel distance in casing reach the about twice of monolayer device for transporting objects or many times, thus extending product residence time in heater, contribute to thorough drying.But, due to the past direction (such as up) that the hot blast of the heater in casing is unidirectional, without forming effective hot air flow, therefore product can only obtain the heating of local (corresponding to hot blast upwards in casing, product mainly bottom is heated), its efficiency of heating surface and heating uniformity are all not ideal enough.Although the drying time of product can be extended by double-deck or Multi-layer conveying, but it is reduction of drying efficiency, and still cannot improve the problem that the heating uniformity caused because hot blast direction is single is not enough.
The above-mentioned drying mode of prior art is to some product, drying effect such as oil paint, volatility is fast or automatic drying is fast paint or coating products is also possible, but to needing highly uniform drying or water paint or water paint, then owing to the structure of its heater is relatively easy and the direction of hot blast is single, the drying effect making product is not fully up to expectations, is even difficult to dry.Also it is easily damaged additionally, carrier chain and bearing are chronically in the baking oven of high temperature (temperature is likely to be breached even more than 100 degree).
Summary of the invention
In view of this, it is an object of the invention to provide a kind of electric heater unit, to solve the problem that the efficiency of heating surface in prior art is low and heating uniformity is not enough.
In order to achieve the above object, the present invention proposes a kind of electric heater unit, including: casing, it is provided with heating element heater bottom it；For carrying the conveyer belt of workpiece to be heated, described conveyer belt is at least partially disposed in casing and is positioned at above described heating element heater；At least one fan, is located in described casing and is positioned at below described conveyer belt；For being separated out central authorities' rising passway and a pair first dividing plates of peripheral decline passway in described casing；And it is located at described casing top and for making ascending air be changed into a pair second partition of down current.
Optionally, described heating element heater is fixed on the bottom of casing by support.
Optionally, the pair of first dividing plate extends between support and conveyer belt.
Optionally, the distance between the top of the pair of first dividing plate is close to the width of described conveyer belt.
Optionally, the space between the pair of first dividing plate forms described ascending air passage, and the space of the pair of first dividing plate both sides forms described down current passage.
Optionally, the pair of second partition is curved, and concave surface is towards the bottom of casing.
Optionally, each second partition has the top of a part of centrally located rising passway, and has the top of the peripherally located decline passway of another part.
Optionally, at least one fan described is located between heating element heater and conveyer belt.
Optionally, the two ends of described conveyer belt are positioned at outside casing.
Optionally, also including the motor for driving described conveyer belt to rotate, carrier chain and bearing, described motor, carrier chain and bearing are all located at outside casing.
The electric heater unit of the present invention by arranging two groups of dividing plates in casing, spatial separation in casing can be become central fluidizing gas rising passway and peripheral air stream decline passway, and hot air circulation can be effectively formed, thus can not only uniform heated parts, and the efficiency of heating surface is significantly improved compared with traditional heater.
Additionally, the present invention is by being arranged on the drive motor of conveyer belt, carrier chain and bearing the outside of baking oven, it is effectively reduced above-mentioned parts and exposes time at high temperature, the service life of elongate member.
Accompanying drawing explanation
Fig. 1 is the side schematic view of the electric heater unit of the present invention.
Fig. 2 is the front schematic view of the electric heater unit of the present invention.
Detailed description of the invention
Present pre-ferred embodiments is provided, to describe technical scheme in detail below in conjunction with accompanying drawing.According to the following describes and claims, advantages and features of the invention will be apparent from.It should be noted that, accompanying drawing all adopts the form simplified very much and all uses non-ratio accurately, only in order to convenience, the purpose aiding in illustrating the embodiment of the present invention lucidly.
As depicted in figs. 1 and 2, the electric heater unit of the present invention includes the casing 1 of base closed, and described casing 1 is used for being formed one and adds heat space and heat wherein for product or dry.Casing 1 can be fixed or be supported on by a spike 2 or other support arrangement on ground or other datum plane.Being provided with heating element heater 3 and fan 4 in casing, heating element heater can be the electricity electrical heating element such as heating brick or heating wire, and heating element heater 3 such as can pass through support 5 and be fixed on bottom casing 1, and fan 4 is for promoting the air in casing to flow.Described electric heater unit also includes the material conveying device arranged along casing 1 length direction (namely corresponding to the left and right directions of Fig. 2), it includes level and runs through casing 1 two ends and be positioned at the conveyer belt 6 above heating element heater 3 and the driving device for driving conveyer belt 6 to advance toward the other end from casing one end, and described driving device such as can include motor 7, carrier chain 8 and bearing (not shown).Product to be baked is placed on conveyer belt 6, enters from one end (i.e. charging aperture) 1a of casing 1, exports from the other end (i.e. discharging opening) 1b of casing 1 after heated baking again.In order to extend the service life of driving device, it is preferred that, motor 7, carrier chain 8 and bearing can be arranged on casing 1 outside, in order to avoid being chronically under high temperature ageing failure.
In order to make the hot blast in casing 1 effectively to circulate, the electric heater unit of the present invention also includes the multiple dividing plates being located in casing, the plurality of dividing plate is divided into two groups, including being located at first group of dividing plate 9 of casing 1 bottom and being located at second group of dividing plate 10 at casing 1 top, wherein, the effect of first group of dividing plate 9 is by hot blast concentrated vectoring to conveyer belt place, thus the heats to product can be promoted, simultaneously, first group of dividing plate 9 is additionally operable to be separated out centre gangway 11 and peripheral channel 12 in casing 1, make ascending air and each comfortable centre gangway 11 of down current energy and the inner operation of peripheral channel 12.The effect of second group of dividing plate 10 is the trend changing air-flow, ascending air is made to be changed into down current under the guiding of second group of dividing plate 10 and run downwards along peripheral channel 12, again become ascending air after arriving heated element 3 heating of the down current bottom casing 1 and rise along centre gangway 11, thus form the circulation of air flow in casing 1.
Concrete, as it is shown in figure 1, first group of dividing plate 9 includes along casing 1 length direction two piece of first dividing plate 9a, 9b arranged substantially symmetrically, one end of every piece of first dividing plate is fixed on support 5, and the other end extends upward.In order to make hot blast concentrate on just to the region bottom conveyer belt 6 as far as possible, it is advantageous to the spacing width close to conveyer belt 6 making two piece of first dividing plate 9a, 9b top, and make the top of first dividing plate 9a, 9b as far as possible bottom conveyer belt 6.Additionally, in order to guide down current to arrive heating element heater 3 place, the bottom of the first dividing plate also can be made to have certain angle of inclination, its incline direction is upwards gradually towards peripheral channel 12 direction from bottom, namely tilts away from the direction of heating element heater 3.Certainly, the angle of this inclination and development length should not have influence on down current operation in peripheral channel 12.It is also preferred that the left can one or more fans 4 be located between heating element heater 3 and conveyer belt 6 along casing length direction, to promote circulation of air flow further.It is positioned at two arcs ventricumbent arc-shaped partition 10a, 10b that second group of dividing plate 10 at casing 1 top can include being arranged side by side so that ascending air arcuately can do 180 degree of adverse movements by dividing plate, is accordingly changed into down current.In casing, the whole circulation trend of air-flow see the direction of arrow (only depicting the loop direction of side in figure, opposite side is mirror image relationship) in Fig. 1.In order to the circulation making air-flow is more smooth, it is preferred that adopt low friction coefficient materials to make described first group of dividing plate 9 and second group of dividing plate 10, and make the surface of dividing plate as far as possible in streamlined, thus reducing the resistance to air-flow.
After electric heater unit of the present invention starts, heating element heater 3 heat temperature raising, open fan 4 simultaneously, hot-air is blown up under the guiding of fan 4 and first group of dividing plate 9, form ascending air, uniformly heated placing superincumbent product by conveyer belt 6, after hot-air arrives casing 1 top along centre gangway 11, under the guiding of second group of dividing plate 10, it is changed into down current and the peripheral channel 12 along casing 1 both sides flows downward, heating element heater 3 place it is back to bottom support 5, heated element 3 rises after reheating intensification, with this formation hot air circulating system that moves in circles, thus product can obtain full and uniform being heated in casing 1.
With this electric heater unit dry the oil paint, particularly water paint inside box hat can flash baking, the product after drying detects through common aqueous, reaches 100% drying requirement.By comparison, even if the multiple structure that existing heater or baking oven adopt length 3-5 rice or 10 meters long or 3-5 layer can not well be dried oil paint, water paint drying effect is worse.
The electric heater unit of the present invention has on the workpiece of volume at metallic aluminium or iron flask or cylinder or tetragonal body etc., the effect of the liquid coating drying the inside is especially good, greatly improving and change existing product insufficient causes liquid coating sagging or product 100% not dry owing to drying in process of production, or dries to require over and extend drying time or strengthen the problem that temperature realizes.The accumulation that also can avoid coating bottom inside workpiece is dried thus affecting the quality of one-piece machine member product by Quick uniform.
In sum, the electric heater unit of the present invention, by forming hot air circulating system, is remarkably improved the drying effect of product, and owing to this heater has only to monolayer, conveyer belt, without very long, can greatly reduce energy consumption.Additionally, electric heating device of the present invention can well thermostatic control, as set the temperature of 100 degree, device or the temperature inside casing reach 100 degree of heating being just automatically stopped heating element heater 3, without reaching 100 degree, control to switch and just allow heating element heater 3 work on.
Claims (10)
1. an electric heater unit, it is characterised in that including:
Casing (1), the bottom of described casing is provided with heating element heater (3)；
For carrying the conveyer belt (6) of workpiece to be heated, described conveyer belt (6) is at least partially disposed in casing (1) and is positioned at described heating element heater (3) top；
At least one fan (4), is located in described casing (1) and is positioned at described conveyer belt (6) lower section；
For being separated out a pair first dividing plates (9) of ascending air passage (11) and down current passage (12) in described casing (1)；And
It is located at described casing (1) top and for making ascending air be changed into a pair second partition (10) of down current.
2. electric heater unit as claimed in claim 1, it is characterised in that described heating element heater (3) is fixed on the bottom of casing (1) by support (5).
3. electric heater unit as claimed in claim 2, it is characterised in that the pair of first dividing plate (9) extends between support (5) and conveyer belt (6).
4. the electric heater unit as described in claim 1 or 3, it is characterised in that the distance between the top of the pair of first dividing plate (9) is close to the width of described conveyer belt (6).
5. the electric heater unit as described in claim 1 or 3, it is characterized in that, space between the pair of first dividing plate (9) forms described ascending air passage (11), and the space of the pair of first dividing plate (9) both sides forms described down current passage (12).
6. electric heater unit as claimed in claim 1, it is characterised in that the pair of second partition (10) is curved, and concave surface is towards the bottom of casing (1).
7. electric heater unit as claimed in claim 6, it is characterized in that, each second partition (10) has the top of a part of centrally located rising passway (11), and has the top of the peripherally located decline passway of another part (12).
8. electric heater unit as claimed in claim 1, it is characterised in that described at least one fan (4) is located between heating element heater (3) and conveyer belt (6).
9. electric heater unit as claimed in claim 1, it is characterised in that the two ends of described conveyer belt (5) are positioned at outside casing (1).
10. electric heater unit as claimed in claim 9, it is characterised in that also including motor, carrier chain and the bearing for driving described conveyer belt (5) to rotate, described motor, carrier chain and bearing are all located at outside casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610244150.6A CN105728292A (en) | 2016-04-19 | 2016-04-19 | Electric heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610244150.6A CN105728292A (en) | 2016-04-19 | 2016-04-19 | Electric heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105728292A true CN105728292A (en) | 2016-07-06 |
Family
ID=56254716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610244150.6A Pending CN105728292A (en) | 2016-04-19 | 2016-04-19 | Electric heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105728292A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106513274A (en) * | 2016-11-02 | 2017-03-22 | 丹阳正联知识产权运营管理有限公司 | Automobile lamp placing and drying device |
| CN108745823A (en) * | 2018-06-15 | 2018-11-06 | 浙江天地之光电池制造有限公司 | A kind of movable storage cell cures the solidifying and drying method of drying device and fluid sealant |
| CN109877020A (en) * | 2019-04-24 | 2019-06-14 | 佛山市格锐特机械设备有限公司 | A kind of thermo-sensitive material precision coating line |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010004069A1 (en) * | 1999-12-17 | 2001-06-21 | Lg Electronic Inc. | Electronic range |
| CN101331009A (en) * | 2005-11-08 | 2008-12-24 | 莫菲克科技股份公司 | An arrangement and a method for heating metal objects |
| CN203681976U (en) * | 2013-12-06 | 2014-07-02 | 杨承然 | Tunnel type plastic film hot shrinkage furnace |
| CN204043394U (en) * | 2014-09-05 | 2014-12-24 | 苏州洛特兰新材料科技有限公司 | A kind of ceramic minitype apparatus for baking |
-
2016
- 2016-04-19 CN CN201610244150.6A patent/CN105728292A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010004069A1 (en) * | 1999-12-17 | 2001-06-21 | Lg Electronic Inc. | Electronic range |
| CN101331009A (en) * | 2005-11-08 | 2008-12-24 | 莫菲克科技股份公司 | An arrangement and a method for heating metal objects |
| CN203681976U (en) * | 2013-12-06 | 2014-07-02 | 杨承然 | Tunnel type plastic film hot shrinkage furnace |
| CN204043394U (en) * | 2014-09-05 | 2014-12-24 | 苏州洛特兰新材料科技有限公司 | A kind of ceramic minitype apparatus for baking |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106513274A (en) * | 2016-11-02 | 2017-03-22 | 丹阳正联知识产权运营管理有限公司 | Automobile lamp placing and drying device |
| CN108745823A (en) * | 2018-06-15 | 2018-11-06 | 浙江天地之光电池制造有限公司 | A kind of movable storage cell cures the solidifying and drying method of drying device and fluid sealant |
| CN109877020A (en) * | 2019-04-24 | 2019-06-14 | 佛山市格锐特机械设备有限公司 | A kind of thermo-sensitive material precision coating line |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105728292A (en) | Electric heating device | |
| CN204020230U (en) | A kind of novel drying oven heated air circulation device | |
| US7264467B1 (en) | Convection oven with turbo flow air nozzle to increase air flow and method of using same | |
| CN104401123A (en) | Efficient dryer applied to drying of ink | |
| CN205550778U (en) | Electrical heating device | |
| US20130167396A1 (en) | System with a ceiling fan and return plenum for heating, drying or curing an object | |
| CN211160531U (en) | High-efficient shaped steel board drying device | |
| CN209065756U (en) | It is a kind of for drying the oven of sheet glass | |
| CN106746548A (en) | For the device and thin glass heating means of the heating of thin glass | |
| CN207831880U (en) | A kind of drier for corrugated paperboard | |
| CN208940803U (en) | Blowing angle regulating device and jet-propelled food baking oven | |
| CN106017029A (en) | Hot-air/electric-heating drier for textile fabric | |
| CN206399145U (en) | Gas permeability medical adhesive tape stretches drying unit | |
| CN205156563U (en) | Continuous drying furnace of honeycomb type catalyst | |
| CN204236016U (en) | A kind of High-efficiency dryer being applied to ink and drying | |
| CN210569785U (en) | Heat exchange device of drying and conveying equipment | |
| CN209468318U (en) | A kind of drying unit of coated glass production | |
| CN204255025U (en) | A kind of net belt type drying oven | |
| CN203687554U (en) | Multilayer drying device of dried egg production line | |
| CN105499097A (en) | Baking varnish drying device | |
| CN206408103U (en) | The device heated for thin glass | |
| CN205613668U (en) | Two -sided convection heating oven | |
| CN204830893U (en) | Burner gas circulation mechanism of heating furnace | |
| CN110524892A (en) | A kind of thermofusion device and surface can melt material make-up machine | |
| CN105509443B (en) | A kind of drying plant of framing shaping machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160706 |