CN105352305A - Vertical and split type drying oven - Google Patents
Vertical and split type drying oven Download PDFInfo
- Publication number
- CN105352305A CN105352305A CN201510876927.6A CN201510876927A CN105352305A CN 105352305 A CN105352305 A CN 105352305A CN 201510876927 A CN201510876927 A CN 201510876927A CN 105352305 A CN105352305 A CN 105352305A
- Authority
- CN
- China
- Prior art keywords
- hot
- blast stove
- air
- heat exchange
- preheating
- 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
- 238000001035 drying Methods 0.000 title claims abstract description 48
- 239000002918 waste heat Substances 0.000 claims description 26
- 238000002485 combustion reaction Methods 0.000 claims description 17
- 239000004744 fabric Substances 0.000 claims description 14
- 238000011084 recovery Methods 0.000 claims description 14
- 230000009286 beneficial effect Effects 0.000 abstract description 8
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 239000003570 air Substances 0.000 description 60
- 239000007789 gas Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 5
- 239000003500 flue dust Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000004134 energy conservation Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
- F26B21/002—Drying-air generating units, e.g. movable, independent of drying enclosure heating the drying air indirectly, i.e. using a heat exchanger
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/06—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators
- F24H3/08—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators by tubes
- F24H3/087—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators by tubes using fluid fuel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a vertical and split type drying oven in the technical field of equipment. The vertical and split type drying oven comprises a drying box and a hot-blast stove with a combustor at the bottom, an igniter is located outside the hot-blast stove and communicated with the combustor; the hot-blast stove and the drying box are arranged in parallel; a fan support for dividing the hot-blast stove into a preheating chamber and a heat exchange chamber is arranged inside the hot-blast stove; the fan support is provided with an axial flow fan; heat distribution pipelines are further arranged inside the hot-blast stove and distributed in a Z shape; the heat distribution pipelines comprise a heat exchange pipeline located in the heat exchange chamber and a preheating pipeline located in the preheating chamber; the heat exchange pipeline is communicated with the preheating pipeline; an air inlet with an air door is formed in the top of the hot-blast stove; an air outlet is formed in the lateral wall of the lower end of the heat exchange chamber; a hot air inlet is formed in the lateral wall of the lower end of the drying box; the air outlet is communicated with the hot air inlet. The vertical and split type drying oven improves the heat exchange efficiency, so that the beneficial effect of rapidly and efficiently heating air is achieved.
Description
Technical field
The present invention relates to drying plant technical field, be specifically related to a kind of vertical separated type drying oven.
Background technology
At present, drying oven many employings cylinder monolithic construction general both at home and abroad, heat exchange process is short, high fume temperature, and heat exchange area is little, volume is large, the thermal efficiency is low; Meanwhile, general drying oven mainly adopts pipeline to be connected with the air inlet of drying oven by the hot blast delivery outlet of drying baker, carries out waste heat recovery, and this mode waste heat recovery route is long, large to the loss of heat.Equipment adopts vertical structure, because drying oven is piled up along with just having flue dust in the passing flue of service time, thus affecting the heat-transfer capability of tube wall, reducing heat exchange efficiency.
Summary of the invention
The present invention is directed to the technical problem of above-mentioned existence, a kind of energy-conservation, efficient vertical separated type drying oven is provided.
In order to solve the problems of the technologies described above, the invention provides following technical scheme: a kind of vertical separated type drying oven, comprise the hot-blast stove that drying baker and bottom are provided with combustion chamber, hot-blast stove outside is provided with the igniter with combustion chamber, and drying baker is provided with the exhaust outlet of band valve; Described hot-blast stove and drying baker interval arranged side by side are arranged; Be provided with fan supporter hot-blast stove being divided into preheating chamber and Heat Room from top to bottom in hot-blast stove, fan supporter upper surface is provided with axial flow blower, and the exhaust duct of described axial flow blower is switched to Heat Room; Also be provided with cloth hot channel in hot-blast stove, described cloth hot channel is distribution in " Z " shape; Cloth hot channel comprises the heat exchange pipeline being positioned at Heat Room and the preheating pipe being positioned at preheating chamber, and heat exchange pipeline and preheating pipe are connected; Heat exchange pipeline and combustion chamber are connected, and preheating pipe is switched to hot-blast stove outside; The top of described hot-blast stove is provided with the air inlet of band air door; The sidewall of Heat Room lower end is provided with air outlet, and the sidewall of drying baker lower end is provided with hot wind inlet, and described air outlet and hot wind inlet are connected.
Operation principle of the present invention: the mixture of air and diesel oil is lighted by the diesel pump of igniter and ignition system, burn in a combustion chamber, the hot gas that burning produces enters heat exchange pipeline through combustion chamber, hot gas circulates in heat exchange pipeline, hot gas enters in preheating pipe through heat exchange pipeline again, make hot gas be full of whole cloth hot channel in hot-blast stove stove like this, last hot gas is discharged to outside hot-blast stove from preheating pipe.Extraneous cold air is entered in hot-blast stove by the unlatching of air door.Fan supporter is divided into upper and lower two parts whole device, i.e. preheating chamber and Heat Room.After cool ambient air enters, what first touch is the preheating pipe of preheating chamber, cold air is by preheating pipe outer wall, and carry out heat exchange and make cold air preheating, the air after preheating continues to move downward, under the effect of axial flow blower, accelerate the speed that air moves downward, and accelerate heat conducting effect, make the air of preheating chamber enter Heat Room, carry out further heat exchange action, the air of Heat Room enters drying baker eventually through air outlet.
Beneficial effect of the present invention is: 1. monoblock type fuel oil drying oven design of the prior art is become separated type, i.e. preheating chamber and Heat Room by technical solution of the present invention; 2. the air using axial flow blower to extract preheating in preheating chamber enters Heat Room again; 3. cloth hot channel is arranged the distribution in " Z " shape.By the improvement of above three aspects, on the one hand the cold air entered in hot-blast stove is evenly heated up, cold air is heated evenly, and the first preheating of air is heated further again, makes heat energy obtain efficiency utilization; Add the distance of flue gas process on the other hand, make full use of the temperature of hot gas, reach energy-conservation beneficial effect.Equipment adopts vertical separated type structure, because drying oven is piled up along with just having flue dust in the prolongation cloth hot channel of service time, thus affect the heat-transfer capability of tube wall, reduce heat exchange efficiency, Heat Room and preheating chamber split by this equipment, are conducive to the cleaning of each pipeline flue dust like this, and heat exchange efficiency can not be reduced along with the prolongation of service time, improve heat exchange efficiency, thus reach beneficial effect that is quick, high-efficiency heating air.
Further, the vertical separated type drying oven of the present invention also comprises secondary air waste heat recovery passage, the waste heat air port that the hot-blast outlet that the sidewall that described secondary air waste heat recovery passage comprises drying baker upper end is offered, the sidewall of preheating chamber upper end are offered, waste heat air port place is provided with Boiler pressure control dish; Hot-blast outlet is communicated with waste heat air port.Equipment adopts secondary air waste heat recovery passage, be directly connected with the waste heat air port of preheating chamber by the hot-blast outlet of drying baker, shorten waste heat recovery route, thermal loss is little, reaches the more happy festival time about beneficial effect of the energy.The fresh air a large amount of at warm-up phase enters into hot-blast stove, now waste heat air port is closed by Boiler pressure control dish, the fresh air entered in a large number is entered into drying baker by heating, when arriving the constant temperature stage, Boiler pressure control dish is opened, waste heat air in drying baker enters preheating chamber, realizes the object of waste heat recovery in drying baker.
Further, described combustion chamber, heat exchange pipeline and preheating pipe surface are evenly equipped with some fins.In the process of heat exchange, fin can increase the contact area of heat exchange, improves heat transfer efficiency, shortens the heating-up time of equipment.The speed of air heat is more improved.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of a kind of vertical separated type drying oven of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, technical solution of the present invention is further illustrated:
Reference numeral: fan supporter 1, axial flow blower 2, secondary air waste heat recovery passage 3, Boiler pressure control dish 4, air inlet 5, air door 6, preheating chamber 7, preheating pipe 8, Heat Room 9, heat exchange pipeline 10, combustion chamber 11, igniter 12, hot-blast stove 13, air outlet 14, drying baker 15.
As shown in Figure 1, a kind of vertical separated type drying oven, comprises the hot-blast stove 13 that igniter 12, drying baker 15, secondary air waste heat recovery passage 3 and bottom are provided with combustion chamber 11, and it is outside that igniter 12 is positioned at hot-blast stove 13, and be communicated with combustion chamber 11; Drying baker 15 is provided with the exhaust outlet of band valve; Hot-blast stove 13 and drying baker 15 are arranged at interval side by side.Be provided with the fan supporter 1 hot-blast stove 13 being divided into preheating chamber 7 and Heat Room 9 from top to bottom in hot-blast stove 13, fan supporter 1 upper surface is provided with axial flow blower 2, and the exhaust duct of described axial flow blower 2 is switched to Heat Room 9.Also be provided with cloth hot channel in hot-blast stove 13, described cloth hot channel is distribution in " Z " shape; Cloth hot channel comprises the heat exchange pipeline 10 being positioned at Heat Room 9 and the preheating pipe 8 being positioned at preheating chamber 7, and heat exchange pipeline 10 and preheating pipe 8 are connected; Heat exchange pipeline 10 and combustion chamber 11 are connected, and it is outside that preheating pipe 8 is switched to hot-blast stove 13; Combustion chamber 11, heat exchange pipeline 10 and preheating pipe 8 surface are evenly equipped with some fins, and fin can increase the contact area of heat exchange, improve heat transfer efficiency, shorten the heating-up time of equipment.The top of hot-blast stove 13 is provided with the air inlet 5 of band air door 6; The sidewall of Heat Room 9 lower end is provided with air outlet 14, and the sidewall of drying baker 15 lower end is provided with hot wind inlet, and air outlet 14 and hot wind inlet are connected.
The waste heat air port that the hot-blast outlet that the sidewall that secondary air waste heat recovery passage 3 comprises drying baker 15 upper end is offered, the sidewall of preheating chamber 7 upper end are offered, waste heat air port place is provided with Boiler pressure control dish 4; Hot-blast outlet is communicated with waste heat air port.Equipment adopts secondary air waste heat recovery passage, shorten waste heat recovery route, thermal loss is little, reaches the more happy festival time about beneficial effect of the energy.
The mixture of air and diesel oil is lighted by the diesel pump of igniter 12 and ignition system, burn in combustion chamber 11, the hot gas that burning produces enters heat exchange pipeline 10 through combustion chamber, hot gas circulates in heat exchange pipeline 10, hot gas enters in preheating pipe 8 through heat exchange pipeline 10 again, make hot gas be full of whole cloth hot channel in hot-blast stove like this, last hot gas is discharged to outside hot-blast stove 13 from preheating pipe 8.Extraneous cold air is entered in hot-blast stove 13 by the unlatching of air door 6.Fan supporter 1 is divided into upper and lower two parts whole device, i.e. preheating chamber 7 and Heat Room 9.After cool ambient air enters, what first touch is the preheating pipe 8 of preheating chamber 7, cold air is by preheating pipe 8 outer wall, carry out heat exchange and make cold air preheating, the air after preheating continues to move downward, under the effect of axial flow blower 2, accelerate the speed that air moves downward, and accelerate heat conducting effect, make the air of preheating chamber 7 enter Heat Room 9, further heat.The air of Heat Room 9 enters drying baker by air outlet.
Technical solution of the present invention makes the cold air entered in hot-blast stove 13 evenly heat up on the one hand, and cold air is heated evenly, and the first preheating of air is heated further again, makes heat energy obtain efficiency utilization; Add the distance of flue gas process on the other hand, make full use of the temperature of hot gas, reach energy-conservation beneficial effect.Equipment adopts vertical separated type structure, because drying oven is piled up along with just having flue dust in the prolongation cloth hot channel of service time, thus affect the heat-transfer capability of tube wall, reduce heat exchange efficiency, Heat Room and preheating chamber split by this equipment, are conducive to the cleaning of each pipeline flue dust like this, and heat exchange efficiency can not be reduced along with the prolongation of service time, improve heat exchange efficiency, thus reach beneficial effect that is quick, high-efficiency heating air.
For a person skilled in the art, under the prerequisite not departing from structure of the present invention, can also make some distortion and improvement, these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.
Claims (3)
1. a vertical separated type drying oven, comprise the hot-blast stove that drying baker and bottom are provided with combustion chamber, hot-blast stove outside is provided with the igniter with combustion chamber, and drying baker is provided with the exhaust outlet of band valve, it is characterized in that: described hot-blast stove and drying baker interval arranged side by side are arranged; Be provided with fan supporter hot-blast stove being divided into preheating chamber and Heat Room from top to bottom in hot-blast stove, fan supporter upper surface is provided with axial flow blower, and the exhaust duct of described axial flow blower is switched to Heat Room; Also be provided with cloth hot channel in hot-blast stove, described cloth hot channel is distribution in " Z " shape; Cloth hot channel comprises the heat exchange pipeline being positioned at Heat Room and the preheating pipe being positioned at preheating chamber, and heat exchange pipeline and preheating pipe are connected; Heat exchange pipeline and combustion chamber are connected, and preheating pipe is switched to hot-blast stove outside; The top of described hot-blast stove is provided with the air inlet of band air door; The sidewall of Heat Room lower end is provided with air outlet, and the sidewall of drying baker lower end is provided with hot wind inlet, and described air outlet and hot wind inlet are connected.
2. vertical separated type drying oven as claimed in claim 1, it is characterized in that: also comprise secondary air waste heat recovery passage, the waste heat air port that the hot-blast outlet that the sidewall that described secondary air waste heat recovery passage comprises drying baker upper end is offered, the sidewall of preheating chamber upper end are offered, waste heat air port place is provided with Boiler pressure control dish; Hot-blast outlet is communicated with waste heat air port.
3. vertical separated type drying oven as claimed in claim 2, is characterized in that: described combustion chamber, heat exchange pipeline and preheating pipe surface are evenly equipped with some fins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510876927.6A CN105352305A (en) | 2015-12-03 | 2015-12-03 | Vertical and split type drying oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510876927.6A CN105352305A (en) | 2015-12-03 | 2015-12-03 | Vertical and split type drying oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105352305A true CN105352305A (en) | 2016-02-24 |
Family
ID=55328322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510876927.6A Pending CN105352305A (en) | 2015-12-03 | 2015-12-03 | Vertical and split type drying oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105352305A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116288534A (en) * | 2023-03-23 | 2023-06-23 | 贵阳铝镁设计研究院有限公司 | A waste heat recovery device on the side wall of an aluminum electrolytic cell |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1216815A (en) * | 1997-11-03 | 1999-05-19 | 戴永茂 | Indirectly-heated coal-fired hot-blast stove |
| CN2384184Y (en) * | 1999-06-24 | 2000-06-21 | 李振录 | Horizontal double combustion charmber coal-fired hot-air stove |
| CN201032346Y (en) * | 2007-01-11 | 2008-03-05 | 甘肃省机械科学研究院 | Fuel stove |
| WO2007147961A3 (en) * | 2006-06-22 | 2008-03-20 | Nexter Munitions | Hot gas generator and drying or dehydratiion installation employing such a generator |
| CN201059859Y (en) * | 2007-06-13 | 2008-05-14 | 中国第一汽车集团公司 | Discharge gas burning central heating unit |
| CN205228085U (en) * | 2015-12-03 | 2016-05-11 | 贵州遵义新佳裕食品有限公司 | Vertical separated type dry -off oven |
-
2015
- 2015-12-03 CN CN201510876927.6A patent/CN105352305A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1216815A (en) * | 1997-11-03 | 1999-05-19 | 戴永茂 | Indirectly-heated coal-fired hot-blast stove |
| CN2384184Y (en) * | 1999-06-24 | 2000-06-21 | 李振录 | Horizontal double combustion charmber coal-fired hot-air stove |
| WO2007147961A3 (en) * | 2006-06-22 | 2008-03-20 | Nexter Munitions | Hot gas generator and drying or dehydratiion installation employing such a generator |
| CN201032346Y (en) * | 2007-01-11 | 2008-03-05 | 甘肃省机械科学研究院 | Fuel stove |
| CN201059859Y (en) * | 2007-06-13 | 2008-05-14 | 中国第一汽车集团公司 | Discharge gas burning central heating unit |
| CN205228085U (en) * | 2015-12-03 | 2016-05-11 | 贵州遵义新佳裕食品有限公司 | Vertical separated type dry -off oven |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116288534A (en) * | 2023-03-23 | 2023-06-23 | 贵阳铝镁设计研究院有限公司 | A waste heat recovery device on the side wall of an aluminum electrolytic cell |
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| 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: 20160224 |