CN213273633U

CN213273633U - Hot air system for drying furnace pit

Info

Publication number: CN213273633U
Application number: CN202022396084.9U
Authority: CN
Inventors: 王光来
Original assignee: Xiamen Lvyuan Energy Saving Equipment Co ltd
Current assignee: Xiamen Lvyuan Energy Saving Equipment Co ltd
Priority date: 2020-10-24
Filing date: 2020-10-24
Publication date: 2021-05-25
Anticipated expiration: 2030-10-24

Abstract

The utility model relates to a hot air system for drying furnace cellar for storing things relates to the technical field of drying furnace cellar for storing things, and its technical scheme mainly includes the ventiduct of installing to drying channel on, and the ventiduct lower extreme sets up with drying channel intercommunication, and ventiduct one side sets up with heating device intercommunication. The baffle that is divided into two with the ventiduct is provided with to the level in the ventiduct, the baffle is the setting of L shape, the baffle is separated into the first wind channel that is located the baffle downside and is located the second wind channel of baffle upside with the ventiduct, extend the stoving passageway on the baffle and serve and still install the windbreak device that is used for the interior air current of separation stoving passageway, the windbreak device sets up to the windbreak machine, the windbreak device is separated into the stoving passageway and is close to the first drying area of feed inlet department and be close to the second drying area of discharge outlet department, first wind channel and first drying area intercommunication set up, the second wind channel sets up with second drying area intercommunication. This application has the effect that improves ligneous drying efficiency.

Description

Hot air system for drying furnace pit

Technical Field

The application relates to the technical field of drying furnaces and cellars, in particular to a hot air system for a drying furnace and a cellars.

Background

At present, in woodwork processing, metal product processing and leather goods processing, the stoving is a very important procedure, and the work piece can be infected with more moisture when the preliminary treatment, and especially woodwork and leather goods, the moisture content is on the high side, if not fully dry, then lead to woodwork or leather goods to wet the mould very easily, for the drying efficiency who improves all kinds of work pieces, each equipment provider has developed the drying furnace cellar for storing things.

Referring to fig. 1, the drying kiln comprises a drying channel 1 and a heating device 3, two end openings of the drying channel 1 are arranged, two end openings of the drying channel 1 are respectively arranged as a feeding port and a discharging port, workpieces are conveyed by a suspension conveyor, a belt conveyor or a trolley, the heating device 3 is used for generating hot air, an air outlet of the heating device 3 is communicated with the drying channel, so that the hot air generated by combustion of the heating device 3 can be conveyed into the drying channel 1, and finally, the effect of drying the workpieces conveyed in the drying channel 1 is achieved.

In view of the above-mentioned related art, the present applicant has found that a large amount of moisture is carried in a high-temperature air flow for drying wood, which affects the drying efficiency of wood in a rear section of a drying tunnel, and thus needs improvement.

SUMMERY OF THE UTILITY MODEL

In order to improve timber's drying efficiency, this application provides a hot air system for drying furnace cellar.

The application provides a hot air system for drying stove cellar for storing things adopts following technical scheme:

a hot air system for a drying furnace cellar comprises a ventilation channel arranged on the upper side of a drying channel, wherein the ventilation channel is communicated with the drying channel and a heat supply device, a partition plate for dividing the ventilation channel into two parts is arranged in the ventilation channel, and the ventilation channel comprises a first air channel positioned on the lower side of the partition plate and a second air channel positioned on the upper side of the partition plate; the baffle lower extreme is provided with the windbreak device that is used for the interior air current of separation stoving passageway, the stoving passageway is including being close to the first drying zone of feed inlet department and being close to the second drying zone of discharge gate department, first wind channel and first drying zone intercommunication setting, the second wind channel and the setting of second drying zone intercommunication.

Through adopting above-mentioned technical scheme, separate into first wind channel and second wind channel with the ventiduct through the baffle, dry timber in letting in first drying area through the steam in the first wind channel, and get into the higher hot gas flow of water content in the first drying area of separation under the effect of windbreak device and get into the second drying area, and this part air current will be discharged from the feed inlet, hot-blast wind in the second wind channel will get into the second drying area and dry timber simultaneously, so will reduce the water content in second drying area in a large number, and then improve ligneous drying efficiency.

Preferably, the drying channel is provided with third air ducts communicated with two sides along the material advancing direction, the third air ducts positioned on two sides of the first drying area are communicated with the first air duct, and the third air ducts positioned on two sides of the second drying area are communicated with the second air duct.

Through adopting above-mentioned technical scheme, carry hot-blast through the angle of the third wind channel edgewise air supply on the stoving passageway both sides, further improve drying efficiency.

Preferably, the heat supply device comprises a combustion chamber communicated with the ventilation duct and a combustion furnace arranged in the combustion chamber, the combustion furnace is connected with heat exchange tubes, one end of each heat exchange tube, far away from the combustion furnace, is provided with an induced draft device, the heat exchange device further comprises a heat exchange chamber communicated with the drying channel, the heat exchange chambers are communicated with the combustion chamber, and the heat exchange tubes are arranged in the heat exchange chambers.

Through adopting above-mentioned technical scheme, realize the heat transfer to drying in the passageway through setting up combustion furnace, heat exchange tube, heat transfer room and induced air device.

Preferably, the combustion furnace is provided with at least two combustion furnaces, each combustion furnace is communicated with a heat exchange tube, and each heat exchange tube is provided with an induced draft device.

Through adopting above-mentioned technical scheme, adjust the heat supply through the burning furnace that is provided with a plurality of different combustion power, can adjust the heat supply power of drying furnace cellar for storing things according to actual production.

Preferably, a connecting pipe is communicated between any two adjacent combustion furnaces, and each connecting pipe is arranged on one side of the combustion furnace close to the upper part.

Through adopting above-mentioned technical scheme, connect each through setting up the connecting pipe and fire burning furnace, fire burning furnace during operation at one of them, the steam that its burning produced also can get into in all the other burning furnaces and pass through from its heat exchange tube that corresponds through the connecting pipe, so set up and will guarantee that steam passes through from each heat exchange tube, and then make the steam that produces can carry out abundant heat transfer with the air in the heat exchange chamber, further improvement heat exchange efficiency.

Preferably, a tail gas treatment device is arranged at the air outlet of each heat exchange tube.

Through adopting above-mentioned technical scheme, because the steam that the burning produced directly discharges in the external environment, will cause the pollution, consequently will set up tail gas processing apparatus, will collect the exhaust hot gas of heat exchange tube and discharge after the centralized processing.

In summary, the present application includes at least one of the following beneficial technical effects:

a first air duct and a second air duct are formed by arranging a partition plate in the air duct, the drying channel is divided into a first drying area and a second drying area by an air barrier device in the drying channel, hot air in the first air duct is introduced into the first drying area, hot air with large water content is discharged from a feed inlet, and hot air in the second air duct enters the second drying area for drying, so that the drying efficiency of wood is improved;

at least two combustion furnaces are arranged in the combustion chamber, the heat supply amount is adjusted through the combustion furnaces with different combustion powers, and the heat supply power of the drying furnace pit can be adjusted according to actual production.

Drawings

FIG. 1 is a schematic view of a prior art related art overhead mechanism;

FIG. 2 is a front view of a drying oven according to an embodiment of the present application;

fig. 3 is a top view of a drying kiln according to an embodiment of the present application.

Reference numerals: 1. a drying channel; 11. a first drying zone; 12. a second drying zone; 2. an air duct; 21. a first air duct; 22. a second air duct; 23. a third air duct; 3. a heating device; 31. a combustion chamber; 32. a combustion furnace; 4. a partition plate; 5. a windbreak device; 6. a heat exchange pipe; 7. an air inducing device; 8. a heat exchange chamber; 9. a connecting pipe; 10. an exhaust gas treatment device.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a hot air system for a drying furnace cellar. Referring to fig. 2 and 3, the hot air system includes an air duct 2 installed on the drying passage 1, a lower end of the air duct 2 is communicated with the drying passage 1, and one side of the air duct 2 is communicated with the heating device 3. A partition plate 4 which divides the air duct 2 into two parts is horizontally arranged in the air duct 2, the partition plate 4 is arranged in an L shape, the partition plate 4 divides the air duct 2 into a first air duct 21 which is positioned at the lower side of the partition plate 4 and a second air duct 22 which is positioned at the upper side of the partition plate 4, extend on baffle 4 and serve still to install the windbreak device 5 that is used for separation stoving passageway 1 interior air current in the passageway 1, windbreak device 5 sets up to the windbreak machine, windbreak device 5 separates into stoving passageway 1 and becomes to be close to the first drying zone 11 of feed inlet department and to be close to the second drying zone 12 of discharge gate department, first wind channel 21 sets up with 11 intercommunications in first drying zone, second wind channel 22 sets up with 12 intercommunications in second drying zone, the hot-blast water content of the drying zone that is close to feed inlet one end is great, will be under windbreak device 5's separation effect, the great hot-blast discharge of follow feed inlet discharge of water content, so set up and will further improve ligneous drying efficiency.

Furthermore, the drying channel 1 is provided with third air ducts 23 along the two sides of the material advancing direction in a communicating manner, the third air ducts 23 located on the two sides of the first drying area 11 are communicated with the first air duct 21, the third air ducts 23 located on the two sides of the second drying area 12 are communicated with the second air duct 22, hot air in the first air duct 21 and the second air duct 22 enters the corresponding third air ducts 23, and the hot air is blown into the drying channel 1 through the third air ducts 23, so that wood is dried more comprehensively.

Heating device 3 includes combustion chamber 31 that sets up with air duct 2 intercommunication and sets up the burning furnace 32 in combustion chamber 31, it is provided with two at least to fire burning furnace 32, all be connected with heat exchange tube 6 on each burning furnace 32, each heat exchange tube 6 all sets up to the coil pipe, each heat exchange tube 6 is kept away from and is all connected with induced air device 7 on firing burning furnace 32's one end, still include the heat transfer chamber 8 that sets up with stoving passageway 1 intercommunication, heat transfer chamber 8 and combustion chamber 31 set up on same one side of stoving passageway 1, heat transfer chamber 8 and combustion chamber 31 intercommunication set up, each heat exchange tube 6 all sets up in heat transfer chamber 8. In this embodiment, the combustion furnace 32 is provided with two pieces, the heating load is adjusted by the combustion furnace 32 provided with a plurality of different combustion powers, the heating power of the drying kiln can be adjusted according to actual production, and the present embodiment has the effect of three-gear adjustment.

Furthermore, a connecting pipe 9 is communicated between the two combustion furnaces 32, the connecting pipe 9 is installed on one side of the combustion furnace 32 close to the upper portion, and the connection pipes 9 are arranged to connect the combustion furnaces 32, when one combustion furnace 32 works, hot gas generated by combustion can enter the other combustion furnaces 32 through the connecting pipe 9 and pass through the corresponding heat exchange pipes 6, so that the hot gas can be ensured to pass through the heat exchange pipes 6, and further the generated hot gas can perform sufficient heat exchange with air in the heat exchange chamber 8, and further the heat exchange efficiency is improved.

A tail gas treatment device 10 is arranged at one end of the heat exchange chamber 8 far away from the combustion chamber 31, and the tail gas treatment device 10 is communicated with one ends of the two heat exchange tubes 6 far away from the combustion furnace 32; wherein, the induced draft device 7 is arranged at one end of the heat exchange tube 6 and the tail gas treatment device 10.

The implementation principle of the hot air system for the drying furnace pit in the embodiment of the application is as follows: partial hot air in the combustion chamber 31 enters the first drying area 11 through the first air duct 21 to dry the wood, the other part of hot air in the combustion chamber 31 enters the second drying area 12 through the second air duct 22, and the air barrier device 5 is opened to prevent the air flow in the first drying area 11 from entering the second drying area 12.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a hot-blast system for drying furnace cellar which characterized in that: the drying device comprises a ventilation channel (2) arranged on the upper side of a drying channel (1), wherein the ventilation channel (2) is communicated with the drying channel (1) and a heat supply device (3), a partition plate (4) for dividing the ventilation channel (2) into two parts is arranged in the ventilation channel (2), and the ventilation channel (2) comprises a first air channel (21) positioned on the lower side of the partition plate (4) and a second air channel (22) positioned on the upper side of the partition plate (4); baffle (4) lower extreme is provided with air barrier device (5) that are used for the interior air current of separation stoving passageway (1), stoving passageway (1) is including being close to first drying zone (11) of feed inlet department and being close to second drying zone (12) of discharge gate department, first wind channel (21) and first drying zone (11) intercommunication setting, second wind channel (22) and second drying zone (12) intercommunication setting.

2. The hot air system for a drying oven according to claim 1, characterized in that: and third air ducts (23) are communicated and arranged on two sides of the drying channel (1) along the advancing direction of the materials, the third air ducts (23) positioned on two sides of the first drying area (11) are communicated and arranged with the first air duct (21), and the third air ducts (23) positioned on two sides of the second drying area (12) are communicated and arranged with the second air duct (22).

3. The hot air system for a drying oven according to claim 1, characterized in that: the heating device (3) comprises a combustion chamber (31) communicated with the ventilation duct (2) and a combustion furnace (32) arranged in the combustion chamber (31), wherein a heat exchange tube (6) is connected to the combustion furnace (32), one end, far away from the combustion furnace (32), of the heat exchange tube (6) is provided with an air inducing device (7), the heating device further comprises a heat exchange chamber (8) communicated with the drying channel (1), the heat exchange chamber (8) is communicated with the combustion chamber (31), and the heat exchange tubes (6) are arranged in the heat exchange chamber (8).

4. The hot air system for a drying oven according to claim 3, characterized in that: the combustion furnace (32) is provided with at least two combustion furnaces, each combustion furnace (32) is communicated with a heat exchange tube (6), and each heat exchange tube (6) is provided with an air inducing device (7).

5. The hot air system for a drying oven according to claim 4, characterized in that: connecting pipes (9) are communicated between any two adjacent combustion furnaces (32), and each connecting pipe (9) is arranged on one side, close to the upper part, of each combustion furnace (32).

6. The hot air system for a drying oven according to claim 4, characterized in that: and a tail gas treatment device (10) is arranged at the air outlet of each heat exchange tube (6).