CN106670073A - Heating air supply device for sand core roasting furnace - Google Patents
Heating air supply device for sand core roasting furnace Download PDFInfo
- Publication number
- CN106670073A CN106670073A CN201710047825.2A CN201710047825A CN106670073A CN 106670073 A CN106670073 A CN 106670073A CN 201710047825 A CN201710047825 A CN 201710047825A CN 106670073 A CN106670073 A CN 106670073A
- Authority
- CN
- China
- Prior art keywords
- heater
- furnace body
- supply device
- air supply
- roasting
- 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.)
- Withdrawn
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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
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- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a heating air supply device for a sand core roasting furnace. The heating air supply device comprises a roasting furnace body, wherein ventilation interlayers are arranged on the two side parts of the roasting furnace body; an air vent is formed in the top end of the roasting furnace body; a plurality of air return ports are formed in the inner sidewalls of the interlayers; the air vent is connected with the head end of each air return port; and the tail end of each air return port communicates with the middle part of a combustion chamber. According to the heating air supply device disclosed by the invention, roasting is carried out by virtue of hot air generated by natural gas, temperature distribution in the furnace is uniform, the temperature is easy to control, and the heating air supply device is applicable to roasting for coated objects with various shapes and sizes; the outer plates of the side plate and the top plate of a heat-insulation structure of the roasting furnace are both steel plates, so that the strength of the furnace body is ensured; a composite rock wool heat-insulation plate is chosen as the wall plate of the roasting furnace, and the thickness of the plate is 150mm; the bottom of the furnace body is made from rock wool, a high-quality temperature-resistant galvanized plate is arranged at the bottom of the furnace body, the inner surface layer and the outer surface layer of the furnace body are colour-plated steel plates, and the middle of the furnace body is filled with a rock wool heat-insulation material; and the heating air supply device is firm and reliable in overall structure, beautiful in appearance, good in heat-insulation effect, free from deformation due to heating, and long in service life.
Description
Technical field
The invention belongs to machinery and industry device field, more particularly to a kind of fan heater of core oven.
Background technology
In-furnace temperature skewness when existing oven is used, more remote more temperature is lower with a distance from thermal source, Er Qiesha
When mould height is different, it is heated how many also different, so baking-curing effect has significant difference, causes curing of coating uneven, only
Be adapted to plane tabular or in oven rotatable simple barrel-shaped coated article baking, be completely unsuitable for interior shape and answer
The baking of miscellaneous sandbox.In addition existing oven can not be recycled to the energy, cause energy waste serious.
The content of the invention
The present invention provides a kind of fan heater of core oven, is used to solve in existing oven Temperature Distribution not
Uniformly, temperature can not be regulated and controled, and sand mo(u)ld height difference causes to be heated the technical problem such as uneven, energy waste is serious.
In order to solve the above technical problems, the technical solution used in the present invention is：A kind of heating of core oven is sent
Wind apparatus, including baking body of heater, the baking body of heater both sides are provided with ventilating interlayer, and the top of the baking body of heater is provided with ventilation
Mouthful, be provided with some return air inlets with the madial wall of interlayer, the ventilating opening is connected with the head end of backwind tube, the end of backwind tube and
The middle part connection of combustion chamber；
6 blowing covers are evenly distributed with the oven body, the blowing cover bottom is provided with blowing mouth, the side of the blowing cover
Portion is connected with lifting connecting rod, and the electric vent lifting device bottom is fixedly connected with baking body of heater top, and blowing cover is pushed up respectively
Portion is connected with flexible pipe bottom, and the top of flexible pipe is connected through baking body of heater with the flat air dust being arranged at the top of baking body of heater, flat wind
Pipe is connected with high pressure positive blower air outlet, and high pressure positive blower air inlet is connected with burner ends, and combustion chamber head end is provided with burner.
Preferably, the electric vent lifting device includes motor, motor has former and later two power output shafts,
Power output shaft is connected by power transmission shaft with scroll bar, and scroll bar is engaged with turbine nut, and turbine nut is screwed togather with jacking screw rod, jacking
Screw tip is connected with connecting rod rest, and connecting rod rest end is connected with lifting connecting rod.
Preferably, being coated with composite rock wool insulation board in the oven body.
The present invention is toasted using the hot blast that natural gas is produced, and in-furnace temperature is distributed than more uniform, and temperature is easy to control
System, energy utilization rate is high.Suitable for the baking of the coated article of variously-shaped and size, the side plate and top board of oven insulation construction
Outside plate is steel plate, it is ensured that the intensity of body of heater, and oven wallboard selects composite rock wool insulation board, and bottom of furnace body on rock wool using setting
High-quality heatproof galvanized sheet, its inside and outside surface layer is color plating steel plate, central filler rock wool heat-preservation material, overall structure is solid and reliable,
Good appearance, high insulating effect, will not deform upon because being heated, and service life of equipment is long.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is partial structurtes enlarged drawing of the present invention.
Specific embodiment
With reference to the accompanying drawings and detailed description, technical scheme is described in further detail.
With reference to shown in Fig. 1, Fig. 2, a kind of fan heater of core oven, including baking body of heater 2, the oven
The both sides of body 2 are provided with ventilating interlayer 14, and ventilating interlayer 14 is made using high-quality heatproof galvanized sheet, and the top for toasting body of heater 2 sets
There is ventilating opening, some return air inlets 141 are provided with the madial wall of ventilating interlayer 14, the ventilating opening connects with the head end of backwind tube 16
Connect, the end of backwind tube 16 connects with the middle part of combustion chamber 9, composite rock wool insulation board 15, oven are coated with baking body of heater 2
6 blowing covers 11 are evenly distributed with body 2,11 bottoms of blowing cover are provided with blowing mouth 111, sidepiece and the lifting connecting rod of blowing cover 11
31 connections, the bottom of electric vent lifting device 3 is fixedly connected with the top of baking body of heater 2, and electric vent lifting device 3 can be with
The blowing mouth 111 for allowing blowing to cover on 11 faces the cast gate of sand mo(u)ld, and drying is easier to cast gate blowing hot-air, and the electric vent is carried
Rising device 3 includes motor 34, and motor 34 has former and later two power output shafts 33, and power output shaft 33 passes through power transmission shaft 35
It is connected with scroll bar, scroll bar is engaged with turbine nut, turbine nut is screwed togather with jacking screw rod 32, the top of jacking screw rod 32 and connecting rod rest
36 connections, the end of connecting rod rest 36 is connected with lifting connecting rod 31, because sand mo(u)ld is highly inconsistent, is particularly configured to regulatable, institute
Top is connected with the bottom of flexible pipe 12 respectively to state blowing cover 11, and the top of flexible pipe 12 passes through baking body of heater 2 and is arranged on baking body of heater 2
The flat air dust 13 at top is connected, and flat air dust 13 is connected with the air outlet of high pressure positive blower 10, and the air inlet of high pressure positive blower 10 is last with combustion chamber 9
End connection, the head end of combustion chamber 9 is provided with burner 91.
The course of work：After fresh air outside is heated through gas burner 91 first by high pressure positive blower 10, it is sent to pre-
The flat air dust 13 first laid, last hot-air enters into baking body of heater 2, baking body of heater 2 is blown into from top, except inspiration is fresh on a small quantity
Outside air, most hot-airs are still heated utilization by circulation, are sent to inside baking body of heater 2 so that baking body of heater 2
Interior temperature is stepped up, and when temperature reaches design temperature, gas burner 91 automatically adjusts large and small fire, makes in baking body of heater 2
Temperature keeps constant.
Finally it is pointed out that above specific embodiment is only the more representational example of the present invention.Obviously, the present invention
Above-mentioned specific embodiment is not limited to, there can also be many deformations.It is every according to technical spirit of the invention to more than specific reality
Any simple modification, equivalent variations and modification that the mode of applying is made, are considered as belonging to protection scope of the present invention.
Claims (4)
1. a kind of fan heater of core oven, including baking body of heater, it is characterised in that：It is uniform in the oven body
Blowing cover is distributed with, blowing cover bottom is provided with blowing mouth, and the sidepiece of cover of drying is connected with lifting connecting rod, the electric vent lifting
Bottom of device is fixedly connected with the top of baking body of heater, and top is connected blowing cover with flexible pipe bottom respectively, and the top of flexible pipe passes through dries
Oven body is connected with the flat air dust being arranged at the top of baking body of heater, and flat air dust is connected with high pressure positive blower air outlet, and high pressure positive blower enters
Air port is connected with burner ends, and combustion chamber head end is provided with burner.
2. the fan heater of a kind of core oven according to claim 1, it is characterised in that：The baking body of heater
Both sides are provided with ventilating interlayer, and the top of the baking body of heater is provided with ventilating opening, some return air are provided with the madial wall of interlayer
Mouthful, the ventilating opening is connected with the head end of backwind tube, and the end of backwind tube connects with the middle part of combustion chamber.
3. the fan heater of a kind of core oven according to claim 2, it is characterised in that：The electric vent
Lifting device includes motor, and motor has former and later two power output shafts, and power output shaft is connected by power transmission shaft with scroll bar
Connect, scroll bar is engaged with turbine nut, turbine nut is screwed togather with jacking screw rod, jacking screw tip is connected with connecting rod rest, connecting rod rest
End is connected with lifting connecting rod.
4. the fan heater of a kind of core oven according to claim 1, it is characterised in that：The baking body of heater
Inside it is coated with composite rock wool insulation board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710047825.2A CN106670073A (en) | 2017-01-22 | 2017-01-22 | Heating air supply device for sand core roasting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710047825.2A CN106670073A (en) | 2017-01-22 | 2017-01-22 | Heating air supply device for sand core roasting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106670073A true CN106670073A (en) | 2017-05-17 |
Family
ID=58859584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710047825.2A Withdrawn CN106670073A (en) | 2017-01-22 | 2017-01-22 | Heating air supply device for sand core roasting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106670073A (en) |
-
2017
- 2017-01-22 CN CN201710047825.2A patent/CN106670073A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170517 |