CN202547319U - Forward and reverse hot air reciprocating circulating heating and drying furnace - Google Patents
Forward and reverse hot air reciprocating circulating heating and drying furnace Download PDFInfo
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- CN202547319U CN202547319U CN 201220159058 CN201220159058U CN202547319U CN 202547319 U CN202547319 U CN 202547319U CN 201220159058 CN201220159058 CN 201220159058 CN 201220159058 U CN201220159058 U CN 201220159058U CN 202547319 U CN202547319 U CN 202547319U
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- reciprocation cycle
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Abstract
The utility model discloses a forward and reverse hot air reciprocating circulating heating and drying furnace, which is characterized by comprising a furnace body, wherein a heating and drying chamber, a heating system and a forward and reverse hot air reciprocating circulating system are arranged in the furnace body; and the heating system and the forward and reverse hot air reciprocating circulating system are connected with each other, and are positioned outside the heating and drying chamber. The hot air circulating system in a forward and reverse alternate form is simple in structure, and is safe and reliable for using; and energy is saved, the temperature uniformity in the heating and drying furnace can be ensured to the maximum extent, the internal space of the entire heating and drying furnace is utilized effectively, and the productivity is increased.
Description
Technical field
The utility model relates to heating and drying field, particularly relates to a kind of forward and reverse hot blast reciprocation cycle formula heating and drying furnace.
Background technology
In current indirect heating type heating and drying furnace; Usual manner is after thermal source heats circulated air, by circulating fan hot blast evenly to be delivered in the heating, drying body of heater through equal wind system; But because the structural limitations of body of heater; Cause in the body of heater to have some air-flow dead angles, thereby cause to guarantee temperature homogeneity in the heating and drying furnace, and then influence is heated the crudy of workpiece.
The utility model content
The technical problem that (one) will solve
The technical problem that the utility model will solve provides a kind of heating and drying furnace of indirect mode, to guarantee the temperature homogeneity in the heating and drying furnace to greatest extent, effectively utilizes the inner space of whole heating and drying furnace, boosts productivity.
(2) technical scheme
In order to solve the problems of the technologies described above; The utility model provides a kind of forward and reverse hot blast reciprocation cycle formula heating and drying furnace; It comprises body of heater; Be provided with heating, drying chamber, heating system and forward and reverse hot blast reciprocation cycle system in the said body of heater, said heating system links to each other with forward and reverse hot blast reciprocation cycle system and is positioned at said heating, drying outside.
Wherein, said heating, drying chamber is positioned at said bottom of furnace body, and said heating system and forward and reverse hot blast reciprocation cycle system are positioned at the interlayer at said body of heater top.
Wherein, said heating system comprises heat exchanger; Said forward and reverse hot blast reciprocation cycle system comprises forward and reverse circulating fan.
Wherein, form the air channel between two side that said heating, drying chamber is relative and the said inboard wall of furnace body, said air channel is connected with said forward and reverse hot blast reciprocation cycle system.
Wherein, said heating, drying chamber offers equally distributed rectification hole on the relative two side, and said rectification hole is connected with said air channel.
Wherein, the size of said rectification hole is set to adjustable.
Wherein, said body of heater comprises inside and outside layer steel plate and is filled in the insulation material between the said inside and outside layer steel plate.
Wherein, also comprise the outside control system of said body of heater that is arranged on, said control system links to each other with said forward and reverse hot blast reciprocation cycle system, controls said forward and reverse hot blast reciprocation cycle system and carries out forward and reverse alternate cycles work.
(3) beneficial effect
Forward and reverse hot blast reciprocation cycle formula heating and drying furnace that technique scheme provided; It adopts the hot air circulating system of forward and reverse alternant; Simple in structure, safe and reliable, energy savings can guarantee the temperature homogeneity in the heating and drying furnace to greatest extent; Effectively utilize the inner space of whole heating and drying furnace, boost productivity.
Description of drawings
Fig. 1 is a forward hot air circulation heated condition sketch map in forward and reverse hot blast reciprocation cycle formula heating and drying furnace among the utility model embodiment;
Fig. 2 is a reverse hot air circulation heated condition sketch map in forward and reverse hot blast reciprocation cycle formula heating and drying furnace among the utility model embodiment.
Wherein, 1: body of heater; 2: the heating, drying chamber; 3: workpiece to be heated; 4: forward and reverse circulating fan; 5: heater; 6: the air channel; 7: rectification hole.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is described in further detail.Following examples are used to explain the utility model, but are not used for limiting the scope of the utility model.
Fig. 1 shows in the present embodiment forward hot air circulation heated condition sketch map in forward and reverse hot blast reciprocation cycle formula heating and drying furnace; Fig. 2 is its reverse hot air circulation heated condition sketch map.With reference to diagram, the present embodiment heating and drying furnace comprises body of heater 1, is provided with heating, drying chamber 2 in the body of heater 1, and workpiece 3 to be heated is placed in the heating, drying chamber 2; Also be provided with heating system and forward and reverse hot blast reciprocation cycle system in the body of heater 1; Two systems link to each other and are positioned at 2 outsides, heating, drying chamber; Heating system produces high-temperature hot air; By forward and reverse hot blast reciprocation cycle system high-temperature hot air is sent in the heating, drying chamber 2, treated heated parts 3 and carry out heating, drying.
For the ease of operation, heating, drying chamber 2 is arranged on body of heater 1 bottom, and heating system and forward and reverse hot blast reciprocation cycle system are arranged in the interlayer at body of heater 1 top.Heating system comprises heat exchanger 5, and forward and reverse hot blast reciprocation cycle system comprises forward and reverse circulating fan 4, is formed with air channel 6 between two side that heating, drying chamber 2 is relative and body of heater 1 inwall, and air channel 6 is connected with forward and reverse hot blast reciprocation cycle system.Carry out heating, drying when operation treating heated parts 3; Adopt different heat source ways such as electrical heating or combustion gas heating, improve heat exchanger 5 internal temperatures, under the effect of forward and reverse circulating fan 4; Realize the heat exchange of heat exchanger 5 and outside low temperature cold air; The high-temperature hot air that produces after the heat exchange gets in the air channel 6 under the effect of forward and reverse circulating fan 4, further sends into heating, drying chamber 2.
Heating, drying chamber 2 offers equally distributed rectification hole 7 on the relative two side, and rectification hole 7 is connected with air channel 6, and high-temperature hot air gets into heating, drying chambers 2 through rectification hole 7 by air channel 6; After treating heated parts 3 and carrying out heating, drying; The temperature meeting decrease to some degree of high-temperature hot air, the air after the cooling is discharged by a sidewall of heating, drying chamber 2, gets in the air channel 6; Heat up by forward and reverse hot blast reciprocation cycle system once more, successively circulation.
Circulating fan is selected forward and reverse circulating fan 4 for use in the present embodiment; Can realize the circulation of hot blast different directions; Promptly shown in wind direction arrow among Fig. 1, when forward and reverse circulating fan 4 was in the forward circulation duty, the high-temperature hot air after the heating system heating got into 2 inside, heating, drying chamber by the left air path 6 of the heating, drying chamber 2 shown in the orientation in scheming; There is the right air path 6 of heating, drying chamber 2 to discharge heating, drying chamber 2 again, continues to get into heating system and heat.Shown in wind direction arrow among Fig. 2; When forward and reverse circulating fan 4 is in the recycled back duty; High-temperature hot air after the heating system heating gets into 2 inside, heating, drying chamber by the right air path 6 of the heating, drying chamber 2 shown in the orientation in scheming; There is the left air path 6 of heating, drying chamber 2 to discharge heating, drying chamber 2 again, continues to get into heating system and heat.
In the present embodiment size of rectification hole 7 be set to adjustable, can be through the different apertures of rectification hole 7 everywhere on 2 sidewalls of adjustment heating, drying chamber, with everywhere different in flow rate in the control heating furnace body, further guarantee the temperature homogeneity in the heating furnace body.
Dry when heating treating heated parts 3, can be through being arranged on the outside and control system that link to each other with forward and reverse hot blast reciprocation cycle system of body of heater 1, control forward and reverse hot blast reciprocation cycle system and carry out forward and reverse alternate cycles work.Particularly, the forward and reverse alternate cycles mode that is aligned the recycled back blower fan by the control system is set, and comprises forward and reverse working time, dwell time, heat time heating time, temperature retention time etc., with reply different workpiece and different heating, drying requirements.Correspondingly; In order to satisfy different workpieces and different heating, drying requirements; The control system adopts VFC in the present embodiment, and it is adjustable that the rotating speed of circulating fan is set to, with the entering and the discharge rate of adjustment circulating air; And can realize PID process control through regulating parameters such as circulating fan rotating speed, heater power to heating, to guarantee the accuracy and the stability of heating furnace inner control temperature.
In the present embodiment, body of heater 1 is made up of steel plate forming, and its skin is the thick cold-rolled steel sheet plastic-blasting of 2mm; Internal layer is a corrosion resistant plate; Constitute skeleton by shaped steel between the inner and outer plates, the middle alumina silicate fibre insulation material of filling, this structure has insulation, heat insulation, sound insulation function aspect serviceability.Body of heater 1 bottom is also done insulation with aluminosilicate fiber cotton and is handled, and is supported with cover plate by steel construction and to form, with the insulation of realization heating, drying chamber 2, heat insulation.
When using the heating and drying furnace of present embodiment to carry out heated parts, heating system and forward and reverse hot blast reciprocation cycle system start simultaneously, and heating system can adopt different energy patterns such as electrical heating or combustion gas heating, only needs an adapted different heat exchange device 5 to get final product.Forward and reverse hot blast reciprocation cycle system's employing side is sent side-suction type; Its forward and reverse circulating fan 4 is positioned at body of heater 1 top interlayer; Be designed with in the two side at body of heater 1 top give, return air chamber; Forward and reverse circulating fan 4 is sent into hot blast in the heating, drying chamber 2 through plenum chamber, air channel 6 and rectification hole 7, and around workpiece 3 to be heated, forms thermal current; Next be recycled to forward and reverse circulating fan 4 suction inlets through return air inlet, heating successively circulates.When the hot blast recycled back; This moment forward and reverse circulating fan 4 inverted runnings; Opposite when hot air circulation air-flow and hot blast forward; Plenum chamber when the return air chamber the when return air chamber the when plenum chamber during former forward circulation becomes recycled back, former forward circulation becomes recycled back, forward and reverse circulating fan 4 is sent into hot blast in the body of heater through plenum chamber, air channel 6 and rectification hole 7 equally.So alternately reciprocation cycle is guaranteed the heating uniformity in the heating furnace to greatest extent, to guarantee to be heated the technological requirement of workpiece.
Can find out by above embodiment; The utility model embodiment is through adopting the hot air circulating system of forward and reverse alternant; Simple in structure, safe and reliable, energy savings can guarantee the temperature homogeneity in the heating and drying furnace to greatest extent; Effectively utilize the inner space of whole heating and drying furnace, boost productivity.
The above only is the preferred implementation of the utility model; Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model know-why, can also make some improvement and replacement, these improvement and replacement also should be regarded as the protection domain of the utility model.
Claims (8)
1. forward and reverse hot blast reciprocation cycle formula heating and drying furnace; It is characterized in that; Comprise body of heater; Be provided with heating, drying chamber, heating system and forward and reverse hot blast reciprocation cycle system in the said body of heater, said heating system links to each other with forward and reverse hot blast reciprocation cycle system and is positioned at said heating, drying outside.
2. forward and reverse hot blast reciprocation cycle formula heating and drying furnace as claimed in claim 1 is characterized in that said heating, drying chamber is positioned at said bottom of furnace body, and said heating system and forward and reverse hot blast reciprocation cycle system are positioned at the interlayer at said body of heater top.
3. forward and reverse hot blast reciprocation cycle formula heating and drying furnace as claimed in claim 2 is characterized in that said heating system comprises heat exchanger; Said forward and reverse hot blast reciprocation cycle system comprises forward and reverse circulating fan.
4. forward and reverse hot blast reciprocation cycle formula heating and drying furnace as claimed in claim 2 is characterized in that, forms the air channel between two side that said heating, drying chamber is relative and the said inboard wall of furnace body, and said air channel is connected with said forward and reverse hot blast reciprocation cycle system.
5. forward and reverse hot blast reciprocation cycle formula heating and drying furnace as claimed in claim 4 is characterized in that, said heating, drying chamber offers equally distributed rectification hole on the relative two side, and said rectification hole is connected with said air channel.
6. forward and reverse hot blast reciprocation cycle formula heating and drying furnace as claimed in claim 5 is characterized in that the size of said rectification hole is set to adjustable.
7. forward and reverse hot blast reciprocation cycle formula heating and drying furnace as claimed in claim 1 is characterized in that, said body of heater comprises inside and outside layer steel plate and is filled in the insulation material between the said inside and outside layer steel plate.
8. forward and reverse hot blast reciprocation cycle formula heating and drying furnace as claimed in claim 1; It is characterized in that; Also comprise the outside control system of said body of heater that is arranged on; Said control system links to each other with said forward and reverse hot blast reciprocation cycle system, controls said forward and reverse hot blast reciprocation cycle system and carries out forward and reverse alternate cycles work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220159058 CN202547319U (en) | 2012-04-13 | 2012-04-13 | Forward and reverse hot air reciprocating circulating heating and drying furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220159058 CN202547319U (en) | 2012-04-13 | 2012-04-13 | Forward and reverse hot air reciprocating circulating heating and drying furnace |
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| Publication Number | Publication Date |
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| CN202547319U true CN202547319U (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220159058 Expired - Fee Related CN202547319U (en) | 2012-04-13 | 2012-04-13 | Forward and reverse hot air reciprocating circulating heating and drying furnace |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375975A (en) * | 2012-04-13 | 2013-10-30 | 北京市劳动保护科学研究所 | Heating and drying furnace with forward and reverse hot air circulation |
| CN103471371A (en) * | 2013-09-10 | 2013-12-25 | 常州市范群干燥设备有限公司 | Wind direction changeable hot air circulating device for three-way catalyst and pre-drier using same |
| CN106482466A (en) * | 2016-12-15 | 2017-03-08 | 湖北科阳节能设备有限公司 | A kind of air-energy dryer of controllable drying chamber size |
| CN107478006A (en) * | 2017-09-07 | 2017-12-15 | 江门市创惠节能科技有限公司 | A kind of drying system with reverse circulation air channel |
-
2012
- 2012-04-13 CN CN 201220159058 patent/CN202547319U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375975A (en) * | 2012-04-13 | 2013-10-30 | 北京市劳动保护科学研究所 | Heating and drying furnace with forward and reverse hot air circulation |
| CN103471371A (en) * | 2013-09-10 | 2013-12-25 | 常州市范群干燥设备有限公司 | Wind direction changeable hot air circulating device for three-way catalyst and pre-drier using same |
| CN103471371B (en) * | 2013-09-10 | 2015-06-10 | 常州市范群干燥设备有限公司 | Wind direction changeable hot air circulating device for three-way catalyst and pre-drier using same |
| CN106482466A (en) * | 2016-12-15 | 2017-03-08 | 湖北科阳节能设备有限公司 | A kind of air-energy dryer of controllable drying chamber size |
| CN107478006A (en) * | 2017-09-07 | 2017-12-15 | 江门市创惠节能科技有限公司 | A kind of drying system with reverse circulation air channel |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20180413 |
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| CF01 | Termination of patent right due to non-payment of annual fee |