CN203860330U - Tunnel type hot air circulating tunnel furnace - Google Patents
Tunnel type hot air circulating tunnel furnace Download PDFInfo
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- CN203860330U CN203860330U CN201420144444.8U CN201420144444U CN203860330U CN 203860330 U CN203860330 U CN 203860330U CN 201420144444 U CN201420144444 U CN 201420144444U CN 203860330 U CN203860330 U CN 203860330U
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Abstract
The utility model discloses a tunnel type hot air circulating tunnel furnace which comprises a furnace body, a hot air circulating device, a conveying belt and a heating device. The hot air circulating device comprises a hot air generator, a fan, a four-way connector, an upper air box and a lower air box. The four-way connector comprises a transverse air inlet shell and two air dividing shells, wherein the two air dividing shells vertically extend from the two ends of the air inlet shell. An inlet is formed in the top face of the air inlet shell. A first outlet is formed in the bottom face of the air inlet shell. The upper ends of the two air dividing shells are communicated with the inlet. The lower ends of the air dividing shells are provided with second outlets respectively. An outlet of the fan is communicated with the inlet, the first outlet is communicated with the upper air box, the second outlets are communicated with the lower air box, a plurality of first air outlet holes are formed in the bottom of the upper air box, and a plurality of air outlet holes are formed in the top of the lower air box. An air return channel is arranged in the furnace body, and the first air outlet holes and the second air outlet holes are all connected with the hot air generator through the air return channel. According to the tunnel type hot air circulating tunnel furnace, hot air output by the hot air circulating device can be evenly guided to a product to be roasted in a circulating mode, and air temperature, air quantity and the air speed can be controlled.
Description
Technical field
The utility model relates to continuous tunnel furnace, is specifically related to tunnel-type hot air circulation continuous tunnel furnace.
Background technology
The multiple spit tubes that are generally provided with heating use in continuous tunnel furnace (abbreviation continuous tunnel furnace) are cured in food combustion gas, as heater, each spit tube is vertical with the length direction of continuous tunnel furnace, multiple spit tubes are spaced apart on the length direction of continuous tunnel furnace, conveyer belt runs through the body of heater of continuous tunnel furnace along the length direction of continuous tunnel furnace, spit tube cures the baked product for the treatment of on conveyer belt.
For the heat energy that spit tube jets out flames can be recycled, most of continuous tunnel furnaces (between spit tube) in baking tunnel have added heated air circulation device.The circulation airduct that heated air circulation device is communicated with circulating fan by circulating fan and by pipeline, circulation airduct is generally made up of the cocycle airduct and the lower circulation airduct that are divided into the upper and lower both sides of delivery platform in drive transfer system, circulation airduct adopts circular pipe type (or flat pipe type), on pipe, bore aperture to form circulating air, this type of hot blast continuous tunnel furnace belongs to assist type hot blast generation systems, can suitably improve the quality of baked goods.Its shortcoming is due to cocycle airduct and lower circulated air pipe string connection, causes that circulated air manage-style amount is little, front and back air quantity is unequal, and wind-warm syndrome is uncontrollable, finally causes the irregular colour of product baking even, and the quality of baked goods promotes limited.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide tunnel-type hot air circulation continuous tunnel furnace, heated air circulation device can be exported to the hot blast guiding that circulates equably and treat baked product, and wind-warm syndrome size is controlled.
The purpose of this utility model adopts following technical scheme to realize:
Tunnel-type hot air circulation continuous tunnel furnace, comprise body of heater, heated air circulation device, for transmitting the conveyer belt for the treatment of baked product, for heating the heater for the treatment of baked product, conveyer belt runs through body of heater, it is characterized in that: described heated air circulation device comprises heat blower, blower fan, four-way connection, windward box and leeward box, described heat blower is connected with blower fan and is all positioned at outside body of heater, described four-way connection comprises a horizontal air intake shell and by the vertical two points of crusts of weathering that extend in air intake shell two ends, the end face of air intake shell has entrance, the bottom surface of air intake shell has the first outlet, the upper end of two points of crusts of weathering is all communicated with entrance, divide the lower end of the crust of weathering to have the second outlet, the outlet of blower fan is communicated with described entrance, the first outlet is communicated with windward box, the second outlet is communicated with leeward box, described windward box is positioned at conveyer belt top and the length direction horizontal-extending along conveyer belt, and leeward box is positioned at described conveyer belt below and the length direction horizontal-extending along conveyer belt, at the bottom of the box of described windward box, have multiple the first exhaust vents, the box of leeward box has backed down multiple the second exhaust vents, in described body of heater, be also provided with air-return duct, the first exhaust vent is all connected with heat blower through air-return duct with the second exhaust vent.
On the basis of the above, for further deriving equably the output hot blast of heated air circulation device, the utility model also can do following improvement:
The end face of described windward box has with described first and exports the first air inlet docking, in windward box, be provided with the first arc of many spaces, the box top of the upper limb of each the first arc and windward box is connected, and at the bottom of the box of the lower edge of each the first arc and windward box, is connected.
Each described the first arc is extended by the both sides of the length direction of windward box under the first air inlet, form the first hourglass-shaped split-wind plate assembly, this the first split-wind plate assembly comprises the first bend, be positioned at first under the first air inlet gathers portion and is positioned at first of the first air inlet both sides and widen portion, and described first portion that widens is connected with first portion of gathering through the first bend.
Described first each the first arc of gathering portion is uniformly-spaced arranged along the width of the first wind box, and described first each the first arc of widening portion is uniformly-spaced arranged along the width of the first wind box; The described first spacing of gathering each first arc of portion is less than the first spacing of widening each first arc of portion.
The two side of the width of described leeward box has respectively and exports with two second the second air inlet docking, in leeward box, be provided with many second arcs, the box top of the upper limb of each the second arc and leeward box is connected, and at the bottom of the box of the lower edge of each the second arc and leeward box, is connected.
Described the second arc is divided into two groups, respectively by alee bending extension of both sides divergent shape of the length direction of box of two second air inlets, form the second split-wind plate assembly of two divergent shapes, each the second split-wind plate assembly comprises the second bend, be positioned at second of the second air inlet inner side gather portion and be positioned at the two second air inlet lines of centres both sides second widen portion, described second portion that widens is connected with second portion of gathering through the second bend.
The second arc in each the second split-wind plate assembly is odd number, described second widens the adjacent two second arc laminatings that are positioned at the second air inlet middle inside in portion, and second other second arc of widening in portion is uniformly-spaced arranged along the length direction of leeward box; Two second split-wind plate assemblies adjacent second are widened the second arc laminating in portion, and second other second arc of widening in portion is uniformly-spaced arranged along the width of leeward box.
For simplified structure, described air intake shell, two points of crusts of weathering and leeward box surround furnace chamber, and described windward box is positioned at furnace chamber, two lateral walls of windward box on its width all with two points of crusts of weathering separately, and forming two described air-return ducts, air-return duct extends along the length direction of windward box.
For regulating return air amount and then regulating the hot blast temperature in intake and furnace chamber, on described air-return duct, level is equipped with air quantity adjusting mechanism, fixed head and adjustable plate that this air quantity adjusting mechanism all extends along the length direction of air-return duct, on fixed head and adjustable plate, all the length direction along air-return duct is distributed with multiple adjustings mouthful, and described adjustable plate and fixed head are slidably matched along the length direction of air-return duct.
For further evenly diffusion hot blast, described the first exhaust vent is in the wind at the bottom of the box of box and is uniformly distributed, and described the second exhaust vent is uniformly distributed on the box top of leeward box.
Compared to existing technology, the beneficial effects of the utility model are:
(1) four-way connection of the present utility model can be sent into the hot blast of being exported by blower fan windward box and leeward box simultaneously, make the first exhaust vent and the synchronously air-out of the second exhaust vent, be in the wind box and leeward box air-out volume equate, and windward box and leeward box are with respect to the shape setting of conveyer belt, make the surrounding of conveyer belt obtain uniform hot blast covering, and, hot blast is generated by heat blower, and through blower fan transport, hot blast also returns to heat blower through air-return duct, form hot air circulation, its air quantity, wind-warm syndrome, wind speed is all controlled, contribute to improve the baking quality for the treatment of baked product, the color of the baking of baked product is even,
(2) the second split-wind plate assembly in the first split-wind plate assembly, the leeward box in the utility model windward box, all helps hot blast be in the wind respectively air quantity, the wind-warm syndrome uniformity of box and leeward box greatly, and then around the conveyer belt that equably hot blast led;
(3) the utility model air-return duct has governor motion and regulates return air amount, and then can further control air quantity and conveyer belt wind-warm syndrome around, greatly facilitates the adjusting of air quantity, wind-warm syndrome.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is the perspective view (saving conveyer belt, heater, heat blower) of utility model tunnel-type hot air circulation continuous tunnel furnace;
Fig. 2 is the hot air circulation principle schematic under the utility model tunnel-type hot air circulation continuous tunnel furnace master visual angle;
Fig. 3 is the hot air circulation principle schematic under side-looking visual angle in utility model furnace chamber;
Fig. 4 is the structural representation of the utility model windward box;
Fig. 5 is that the utility model windward box is removed the structural representation behind box top;
Fig. 6 is the wind direction schematic diagram of hot blast in the utility model windward box;
Fig. 7 is the structural representation of the utility model leeward box;
Fig. 8 is that the utility model leeward box is removed the structural representation behind box top;
Fig. 9 is the wind direction schematic diagram of hot blast in the utility model leeward box;
Figure 10 is the structural representation of the utility model four-way connection;
Figure 11 is the structural representation of the utility model air quantity adjusting mechanism.
In figure: 1, body of heater; 2, conveyer belt; 3, heat blower; 4, blower fan; 5, four-way connection; 51, air intake shell; 511, entrance; 512, the first outlet; 52, divide the crust of weathering; 521, the second outlet; 6, windward box; 601, the first exhaust vent; 602, the first air inlet; 61, the first arc; 7, leeward box; 701, the second exhaust vent; 702, the second air inlet; 71, the second arc; 8, air-return duct; 9, the first split-wind plate assembly; 91, the first bend; 92, first gathers portion; 93, first widen portion; 10, the second split-wind plate assembly; 101, the second bend; 102, second gathers portion; 103, second widen portion; 11, furnace chamber; 12, fixed head; 13, adjustable plate; 14, regulate mouth; 15, air quantity adjusting mechanism.
Detailed description of the invention
Tunnel-type hot air circulation continuous tunnel furnace as shown in Fig. 1 ~ 3, comprise body of heater 1, heated air circulation device, treat the conveyer belt 2 of baked product for transmitting, for heating the heater (not shown) for the treatment of baked product, conveyer belt 2 runs through body of heater 1, heated air circulation device comprises heat blower 3, blower fan 4, four-way connection 5, windward box 6 and leeward box 7, and heat blower 3 is connected with blower fan 4 and is all positioned at outside body of heater 1.
As shown in figure 10, four-way connection 5 comprises a horizontal air intake shell 51 and by the vertical two points of crusts of weathering 52 that extend in air intake shell 51 two ends, the end face of air intake shell 51 has entrance 511, the bottom surface of air intake shell 51 has the first outlet 512, the upper end of two points of crusts of weathering 52 is all communicated with entrance 511, and the lower end of point crust of weathering 52 has the second outlet 521, and the outlet of blower fan 4 is communicated with entrance 511, the first outlet 512 is communicated with windward box 6, and the second outlet 521 is communicated with leeward box 7; Windward box 6 is positioned at conveyer belt 2 tops and the length direction horizontal-extending along conveyer belt 2, and leeward box 7 is positioned at conveyer belt 2 belows and the length direction horizontal-extending along conveyer belt 2; As shown in Figure 5, have multiple the first exhaust vents 601 at the bottom of the box of windward box 6, as shown in Figure 8, the box of leeward box 7 has backed down multiple the second exhaust vents 701; In body of heater 1, being also provided with air-return duct 8, the first exhaust vents 601 is all connected with heat blower 3 through air-return duct 8 with the second exhaust vent 701.
Treat that baked product is sent between windward box 6 and leeward box 7 through conveyer belt 2, heater is treated baked product and is cured heating, simultaneously, heat blower 3 produces hot blast, synchronously deliver to windward box 6 and leeward box 7 via blower fan 4, four-way connection 5, in the first exhaust vent 601 and the second exhaust vent 701, synchronously, evenly derive hot blast, the heat energy that heater is produced can be touched equably and be treated on baked product by hot blast, promotes baking quality.The wind speed of hot blast, air quantity, the equal available heat air generator 3 of wind-warm syndrome, blower fan 4 are directly controlled; Hot blast after contact baked product returns to heat blower 3 through air-return duct 8, spreads all in continuous tunnel furnace and forms hot air circulation, realizes the hot air circulation of tunnel type.
Wherein, this example is made as body of heater 1 rectangular-shaped, and windward box 6 and leeward box 7 are all along the length direction horizontal-extending of conveyer belt 2, and windward box 6 and leeward box 7 are also strip.The hot blast that enters windward box 6 and leeward box 7 spreads all over windward box 6 and leeward box 7.Heat blower 3, blower fan 4 can be connected and be transported wind by fortune airduct.
The length direction of the length direction of conveyer belt 2, the length direction of windward box 6, leeward box 7, the length direction of air-return duct 8 as the L in Fig. 2 to as shown in, the width of the width of conveyer belt 2, the width of windward box 6, leeward box 7 as the W in Fig. 3 to as shown in.
As shown in Figure 5, be further evenly diffusion hot blast, the first exhaust vent 601 is in the wind at the bottom of the box of box 6 and is uniformly distributed, and the second exhaust vent 701 is uniformly distributed on the box top of leeward box 7.
For further deriving equably the hot blast of heated air circulation device output, as shown in Fig. 4 ~ 6, the end face of this routine windward box 6 has the first air inlet 602 docking with the first outlet 512, in windward box 6, be provided with the first arc 61 of many spaces, the box top of the upper limb of each the first arc 61 and windward box 6 is connected, and at the bottom of the box of the lower edge of each the first arc 61 and windward box 6, is connected.The effect that the first arc 61 can produce interval, dredge hot blast, being beneficial to hot blast derives from the first exhaust vent 601 equably.
Each the first arc 61 is extended by the both sides of the length direction of windward box 6 under the first air inlet 602, form the first hourglass-shaped split-wind plate assembly 9, this the first split-wind plate assembly 9 comprises the first bend 91, be positioned at first under the first air inlet 602 gathers portion 92 and is positioned at first of the first air inlet 602 both sides and widen portion 93, the first and widen portion 93 and gather portion 92 through the first bend 91 and first and be connected.The first split-wind plate assembly 9 that this is hourglass-shaped, comparatively intensive hot blast is entered after windward box 6 through the first air inlet 602, can be successively gather portion 92, the first bend 91 and first along first and widen that portion 93 relaxes, diffusion is dredged equably, be beneficial to hot blast air quantity, wind-warm syndrome that each first exhaust vent 601 derives consistent.
And for stricter identical of air quantity, wind-warm syndrome that each first exhaust vent 601 is derived, and then make whole piece conveyer belt 2 obtain hot blast more uniformly, first each the first arc 61 of gathering portion 92 is uniformly-spaced arranged along the width of the first wind box 6, and first each the first arc 61 of widening portion 93 is uniformly-spaced arranged along the width of the first wind box 6; The first spacing of gathering each first arc 61 of portion 92 is less than the first spacing of widening each first arc 61 of portion 93.Hot blast is gathered portion 92 and first first and is widened portion 93 and all dredged uniformly.
Correspondingly, after windward box 6 is made improvements, this example is also made following improvement to leeward box 7:
As shown in Fig. 7 ~ 9, the two side of the width of leeward box 7 has respectively and exports 521 the second air inlets 702 that dock with two second, in leeward box 7, be provided with many second arcs 71, the box top of the upper limb of each the second arc 71 and leeward box 7 is connected, and at the bottom of the box of the lower edge of each the second arc 71 and leeward box 7, is connected.The second arc 71 plays certain intervals, dredges effect the hot blast passing in leeward box 7.
The second arc 71 is divided into two groups, respectively by alee bending extension of both sides divergent shape of the length direction of box 7 of two second air inlets 702, form the second split-wind plate assembly 10 of two divergent shapes, each the second split-wind plate assembly 10 comprises the second bend 101, be positioned at second the widening portion 103, the second and widen portion 103 and gather portion 102 through the second bend 101 and second and be connected of both sides that second of the second air inlet 702 inner sides are gathered portion 102 and are positioned at two second air inlet 702 lines of centres.Comparatively intensive hot blast will gather portion 102 through second successively after two second air inlets 702 and the even property of the second bend 101 is dredged, spread, and mixed at the relative bend of two second split-wind plate assemblies 10, evenly after wind-warm syndrome, being widened portion 103 again towards the both sides of the length direction of leeward box 7 by second evenly derives, and makes wind-warm syndrome, the air quantity of being derived by the second exhaust vent 701 more even.
And for stricter identical of air quantity, wind-warm syndrome that each second exhaust vent 701 is derived, the second arc 71 in each the second split-wind plate assembly 10 is odd number, second widens adjacent two second arcs 71 that are positioned at the second air inlet 702 middle inside in portion 103 fits, and second other second arc 71 of widening in portion 103 is uniformly-spaced arranged along the length direction of leeward box 7; The second arc 71 that two second split-wind plate assemblies 10 adjacent second are widened in portion 103 is fitted, and second other second arc 71 of widening in portion 103 is uniformly-spaced arranged along the width of leeward box 7.
Above-mentioned first widens portion 93 and second widens portion 103 and can on the length direction of conveyer belt 2, extend and spread all over whole windward box 6, whole leeward box 7, also can only arrange a bit of first at the first air inlet 602 places and widen portion 93, arrange a bit of second at the second air inlet 702 places and widen portion 103.
As shown in Fig. 1 ~ 3, air intake shell 51, two points of crusts of weathering 52 and leeward box 7 surround furnace chamber 11, windward box 6 is positioned at furnace chamber 11, two lateral walls of windward box 6 on its width all with two points of crusts of weathering 52 separately, and forming two above-mentioned air-return ducts 8, air-return duct 8 extends along the length direction of windward box 6.The space utilization of air-return duct 8 space, interval of windward box 6 and point crust of weathering 52, greatly simplify the structure, also make hot blast on the length direction of conveyer belt 2, all can be output, be further beneficial to and keep conveyer belt 2 air quantity, wind speed, the uniformity of wind-warm syndrome of hot blast around.Certainly, the length of point crust of weathering 52 also can be shorter than the length of body of heater 1, and point 52 of crusts of weathering are equivalent to a bit of, and other encloses the homonymy of furnace chamber 11 partly and can substitute with the madial wall of body of heater 1, can surround equally furnace chamber 11.Air-return duct 8 is also corresponding has had point crust of weathering 52 and the spacer of windward box 6 and the spacer of body of heater 1 inwall and windward box 6.
For regulating return air amount and then regulating the hot blast temperature in intake and furnace chamber 11, on air-return duct 8, level is equipped with air quantity adjusting mechanism 15.As shown in figure 11, fixed head 12 and adjustable plate 13 that this air quantity adjusting mechanism 15 all extends along the length direction of air-return duct 8, on fixed head 12 and adjustable plate 13, be all distributed with multiple adjustings mouths 14 along the length direction of air-return duct 8, adjustable plate 13 is slidably matched along the length direction of air-return duct 8 with fixed head 12.By slidable adjustment plate 13, and then the interlaced size of adjusting mouth 14 of the adjusting mouth 14 of adjustment fixing plate 12 and adjustable plate 13, thereby restriction enters mouthful 14 return air amounts that regulate.The adjusting mouth 14 of this example is made as rectangle, also can be made as other random geometry.
Above-mentioned embodiment is only preferred embodiment of the present utility model; the scope that can not limit with this utility model protection, the variation of any unsubstantiality that those skilled in the art does on basis of the present utility model and replacement all belong to the utility model scope required for protection.
Claims (10)
1. tunnel-type hot air circulation continuous tunnel furnace, comprise body of heater, heated air circulation device, for transmitting the conveyer belt for the treatment of baked product, for heating the heater for the treatment of baked product, conveyer belt runs through body of heater, it is characterized in that: described heated air circulation device comprises heat blower, blower fan, four-way connection, windward box and leeward box, described heat blower is connected with blower fan and is all positioned at outside body of heater, described four-way connection comprises a horizontal air intake shell and by the vertical two points of crusts of weathering that extend in air intake shell two ends, the end face of air intake shell has entrance, the bottom surface of air intake shell has the first outlet, the upper end of two points of crusts of weathering is all communicated with entrance, divide the lower end of the crust of weathering to have the second outlet, the outlet of blower fan is communicated with described entrance, the first outlet is communicated with windward box, the second outlet is communicated with leeward box, described windward box is positioned at conveyer belt top and the length direction horizontal-extending along conveyer belt, and leeward box is positioned at described conveyer belt below and the length direction horizontal-extending along conveyer belt, at the bottom of the box of described windward box, have multiple the first exhaust vents, the box of leeward box has backed down multiple the second exhaust vents, in described body of heater, be also provided with air-return duct, the first exhaust vent is all connected with heat blower through air-return duct with the second exhaust vent.
2. tunnel-type hot air circulation continuous tunnel furnace according to claim 1, it is characterized in that: the end face of described windward box has with described first and exports the first air inlet docking, in windward box, be provided with the first arc of many spaces, the box top of the upper limb of each the first arc and windward box is connected, and at the bottom of the box of the lower edge of each the first arc and windward box, is connected.
3. tunnel-type hot air circulation continuous tunnel furnace according to claim 2, it is characterized in that: each described the first arc is extended by the both sides of the length direction of windward box under the first air inlet, form the first hourglass-shaped split-wind plate assembly, this the first split-wind plate assembly comprises the first bend, be positioned at first under the first air inlet gathers portion and is positioned at first of the first air inlet both sides and widen portion, and described first portion that widens is connected with first portion of gathering through the first bend.
4. tunnel-type hot air circulation continuous tunnel furnace according to claim 3, it is characterized in that: described first each the first arc of gathering portion is uniformly-spaced arranged along the width of the first wind box, described first each the first arc of widening portion is uniformly-spaced arranged along the width of the first wind box; The described first spacing of gathering each first arc of portion is less than the first spacing of widening each first arc of portion.
5. tunnel-type hot air circulation continuous tunnel furnace according to claim 1, it is characterized in that: the two side of the width of described leeward box has respectively and exports with two second the second air inlet docking, in leeward box, be provided with many second arcs, the box top of the upper limb of each the second arc and leeward box is connected, and at the bottom of the box of the lower edge of each the second arc and leeward box, is connected.
6. tunnel-type hot air circulation continuous tunnel furnace according to claim 5, it is characterized in that: described the second arc is divided into two groups, respectively by alee bending extension of both sides divergent shape of the length direction of box of two second air inlets, form the second split-wind plate assembly of two divergent shapes, each the second split-wind plate assembly comprises the second bend, be positioned at second of the second air inlet inner side gather portion and be positioned at the two second air inlet lines of centres both sides second widen portion, described second portion that widens is connected with second portion of gathering through the second bend.
7. tunnel-type hot air circulation continuous tunnel furnace according to claim 6, it is characterized in that: the second arc in each the second split-wind plate assembly is odd number, described second widens the adjacent two second arc laminatings that are positioned at the second air inlet middle inside in portion, and second other second arc of widening in portion is uniformly-spaced arranged along the length direction of leeward box; Two second split-wind plate assemblies adjacent second are widened the second arc laminating in portion, and second other second arc of widening in portion is uniformly-spaced arranged along the width of leeward box.
8. according to the tunnel-type hot air circulation continuous tunnel furnace described in claim 1 ~ 7 any one, it is characterized in that: described air intake shell, two points of crusts of weathering and leeward box surround furnace chamber, described windward box is positioned at furnace chamber, two lateral walls of windward box on its width all with two points of crusts of weathering separately, and forming two described air-return ducts, air-return duct extends along the length direction of windward box.
9. tunnel-type hot air circulation continuous tunnel furnace according to claim 8, it is characterized in that: on described air-return duct, level is equipped with air quantity adjusting mechanism, fixed head and adjustable plate that this air quantity adjusting mechanism all extends along the length direction of air-return duct, on fixed head and adjustable plate, all the length direction along air-return duct is distributed with multiple adjustings mouthful, and described adjustable plate and fixed head are slidably matched along the length direction of air-return duct.
10. according to the tunnel-type hot air circulation continuous tunnel furnace described in claim 1 ~ 7 any one, it is characterized in that: described the first exhaust vent is in the wind at the bottom of the box of box and is uniformly distributed, and described the second exhaust vent is uniformly distributed on the box top of leeward box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420144444.8U CN203860330U (en) | 2014-03-27 | 2014-03-27 | Tunnel type hot air circulating tunnel furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420144444.8U CN203860330U (en) | 2014-03-27 | 2014-03-27 | Tunnel type hot air circulating tunnel furnace |
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| Publication Number | Publication Date |
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| CN203860330U true CN203860330U (en) | 2014-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420144444.8U Withdrawn - After Issue CN203860330U (en) | 2014-03-27 | 2014-03-27 | Tunnel type hot air circulating tunnel furnace |
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| Country | Link |
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| CN (1) | CN203860330U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103875746A (en) * | 2014-03-27 | 2014-06-25 | 广州浩雅机械设备有限公司 | Tunnel type hot air circulation tunnel furnace |
| CN113477490A (en) * | 2021-07-10 | 2021-10-08 | 衡东光通讯技术（深圳）有限公司 | Intelligent curing equipment and automatic curing system thereof |
-
2014
- 2014-03-27 CN CN201420144444.8U patent/CN203860330U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103875746A (en) * | 2014-03-27 | 2014-06-25 | 广州浩雅机械设备有限公司 | Tunnel type hot air circulation tunnel furnace |
| CN113477490A (en) * | 2021-07-10 | 2021-10-08 | 衡东光通讯技术（深圳）有限公司 | Intelligent curing equipment and automatic curing system thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141008 Effective date of abandoning: 20160413 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |