CN220017975U - Coal type drying furnace - Google Patents
Coal type drying furnace Download PDFInfo
- Publication number
- CN220017975U CN220017975U CN202321525002.3U CN202321525002U CN220017975U CN 220017975 U CN220017975 U CN 220017975U CN 202321525002 U CN202321525002 U CN 202321525002U CN 220017975 U CN220017975 U CN 220017975U
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- CN
- China
- Prior art keywords
- drying
- zone
- coal
- cooling
- heat exchange
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- 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.)
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- 238000001035 drying Methods 0.000 title claims abstract description 63
- 239000003245 coal Substances 0.000 title claims abstract description 59
- 238000001816 cooling Methods 0.000 claims abstract description 47
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000003546 flue gas Substances 0.000 claims abstract description 21
- 239000000498 cooling water Substances 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003034 coal gas Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
Abstract
The utility model discloses a coal type drying furnace. The coal type drying furnace comprises a furnace body, wherein the furnace body is provided with a preheating zone, a drying zone and a cooling zone, heat exchange devices are arranged in the drying zone and the cooling zone, the heat exchange devices in the drying zone are used for heating and drying the coal types in the drying zone, and the heat exchange devices in the cooling zone are used for cooling the dried coal types; the heat exchange device comprises a three-dimensional ribbed tube, an inlet tube and an outlet tube, wherein the inlet tube and the outlet tube are connected through a plurality of three-dimensional ribbed tubes; the three-dimensional ribbed tube high-temperature flue gas in the drying area passes through the drying area to release heat to heat coal in the drying area; the three-dimensional ribbed pipes in the cooling area are used for cooling water to pass through the cooling area so as to absorb heat and cool coal in the cooling area. The coal type drying furnace can fully dry the internal coal types and has high drying efficiency.
Description
Technical Field
The utility model relates to the technical field of coal drying, in particular to a coal type drying furnace.
Background
The traditional raw coal drying adopts a dryer to directly introduce high-temperature flue gas to dry the raw coal, and the raw coal is densely piled in the dryer, so that the raw coal piled in the center is not easy to absorb heat and needs a large amount of flue gas for heating.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a coal type drying furnace capable of dispersing raw coal.
In order to solve the problems, the utility model provides a coal type drying furnace, which comprises a furnace body, wherein the furnace body is provided with a preheating zone, a drying zone and a cooling zone, heat exchange devices are arranged in the drying zone and the cooling zone, the heat exchange devices in the drying zone are used for heating and drying coal types in the drying zone, and the heat exchange devices in the cooling zone are used for cooling the dried coal types; the heat exchange device comprises a three-dimensional ribbed tube, an inlet tube and an outlet tube, wherein the inlet tube and the outlet tube are connected through a plurality of three-dimensional ribbed tubes; the three-dimensional ribbed tube high-temperature flue gas in the drying area passes through the drying area to release heat to heat coal in the drying area; the three-dimensional ribbed pipes in the cooling area are used for cooling water to pass through the cooling area so as to absorb heat and cool coal in the cooling area.
Further, the three-dimensional ribbed pipes are arranged in a staggered mode.
Further, the pipe includes first body and first connecting pipe, first body coupling has many first connecting pipes, the lower extreme and the first connecting pipe of three-dimensional rib pipe are connected.
Further, the exit tube includes second body and second connecting pipe, the second body is connected with many second connecting pipes, the upper end and the second connecting pipe of three-dimensional rib pipe are connected.
Further, the flue gas treatment device is connected with the heat exchange device in the drying area.
Further, the preheating zone is provided with a partition plate to divide the preheating zone into a material zone and a collecting zone, and the collecting zone is used for collecting water vapor.
Further, the device also comprises a cooling device, the collecting area is connected with the cooling device through a pipeline, the cooling device is connected with a water storage device through a pipeline, the water storage device is connected with a heat exchange device positioned in the cooling area, and the heat exchange device is further connected with the cooling device.
When the coal type drying furnace is used for drying coal types, the three-dimensional ribbed pipes are wrapped by the coal types, so that the coal type center can be synchronously heated and dried, and the drying efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of the coal type drying oven of the present utility model.
Fig. 2 is a top view of the heat exchange device in the furnace body.
Fig. 3 is a schematic view of the structure of the heat exchange device.
Fig. 4 is a front view of the heat exchange device.
The meaning of the reference numerals in the drawings are:
furnace body 1, preheating zone 11, material zone 111, collection zone 112, stoving zone 12, cooling zone 13, baffle 14, heat transfer device 2, three-dimensional ribbed pipe 21, income pipe 22, exit tube 23, flue gas processing apparatus 3, heat sink 4, water storage device 5.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in FIG. 1, the preferred embodiment of the coal type drying furnace comprises a furnace body 1, a heat exchange device 2, a flue gas treatment device 3, a cooling device 4 and a water storage device 5. The furnace body 1 is provided with a preheating zone 11, a drying zone 12 and a cooling zone 13, wherein the preheating zone 11, the drying zone 12 and the cooling zone 13 are distributed in sequence from top to bottom. The cooling zone 13 is provided with a discharge port. The drying area 12 and the cooling area 13 are internally provided with heat exchange devices 2; the inlet of the heat exchange device 2 positioned in the drying area 12 is connected with a gas source of high-temperature flue gas, so that the heat exchange device 2 positioned in the drying area 12 can heat and dry coal in the drying area 12, and the outlet of the heat exchange device 2 positioned in the drying area 12 is connected with the flue gas treatment device 3 to treat the flue gas and then discharge the flue gas so as to meet the environmental protection requirement; the inlet of the heat exchange device 2 positioned in the cooling area 13 is connected with the water storage device 5, so that the heat exchange device 2 positioned in the cooling area 13 can cool the dried coal, the outlet of the heat exchange device 2 positioned in the cooling area 13 is connected with the cooling device 4, cooling water is cooled, the cooling device 4 is connected with the water storage device 5 again, the cyclic utilization of the cooling water is formed, and the utilization rate of water resources is improved. The cooling device 4 is an air cooler, and other devices capable of cooling can be adopted in other embodiments.
The preheating zone 11 is provided with a feed inlet, the preheating zone 11 is provided with a baffle plate 14 to divide the preheating zone 11 into a material zone 111 and a collecting zone 112, and the material zone 111 is communicated with the feed inlet. The collecting area 112 is used for collecting water vapor, and sending the collected water vapor into the cooling device 4 through a pipeline for cooling; the partition 14 separates moisture from the coal species, reducing contact of the coal species with moisture.
As shown in fig. 2 to 4, the heat exchange device 2 includes a three-dimensional ribbed tube 21, an inlet tube 22 and an outlet tube 23, wherein the inlet tube 22 and the outlet tube 23 are connected by a plurality of three-dimensional ribbed tubes 21, and the three-dimensional ribbed tubes 21 are integrally arranged in a vertical direction, so that the three-dimensional ribbed tubes 21 can pass through the cooling area 13 and the drying area 12; the three-dimensional rib pipes 21 are arranged in a staggered manner so as to ensure that coal seeds can roll in the falling process, so that the coal seeds can be uniformly dried, and it is known that gaps between the three-dimensional rib pipes 21 can allow the coal seeds to pass through. In other embodiments, the three-dimensional ribbed tubes 21 may also be ordered to facilitate assembly. The flue gas is not in direct contact with coal types, so that the generation of coal gas is effectively avoided.
When the heat exchange device 2 is located in the drying area 12, the inlet pipe 22 is connected with an external high-temperature air source, high-temperature flue gas is generally adopted, the high-temperature flue gas enters the three-dimensional ribbed pipe 21, the high-temperature flue gas enters the outlet pipe 23 from the three-dimensional ribbed pipe 21, the high-temperature flue gas passes through the drying area 12, the three-dimensional ribbed pipe 21 releases heat of the high-temperature flue gas to heat coal in the drying area 12, so that the coal is dried, the flue gas after releasing heat is discharged from the outlet pipe 23, and the flue gas treatment device 3 is connected behind the outlet pipe 23 to meet the environmental protection requirement.
When the heat exchange device 2 is positioned in the cooling zone 13, the inlet pipe 22 is connected with an external cooling water source, cooling water enters the three-dimensional ribbed pipe 21 from the inlet pipe 22, cooling water enters the outlet pipe 23 from the three-dimensional ribbed pipe 21, cooling water is discharged out of the furnace body 1, and the cooling water absorbs heat of coal through the cooling zone 13, so that the coal is cooled, and the cooled coal is cooled.
The inlet pipe 22 comprises a first pipe body and first connecting pipes, the first pipe body is connected with a plurality of first connecting pipes, and the lower ends of the three-dimensional rib pipes 21 are arranged on the first connecting pipes. The outlet pipe 23 comprises a second pipe body and second connecting pipes, the second pipe body is connected with a plurality of second connecting pipes, and the lower ends of the three-dimensional ribbed pipes 21 are arranged on the second connecting pipes.
The coal seeds enter the drying area 12 from the preheating area 11, the coal seeds are distributed around the three-dimensional ribbed pipes 21, the coal seeds are fully dried, the coal seed centers are ensured to be synchronously dried, the drying efficiency is improved, meanwhile, the three-dimensional ribbed pipes 21 are arranged in a staggered mode, the coal seeds can be rolled in the falling process, and the coal seed drying uniformity is ensured.
The foregoing is only the embodiments of the present utility model, and therefore, the patent scope of the utility model is not limited thereto, and all equivalent structures made by the description of the utility model and the accompanying drawings are directly or indirectly applied to other related technical fields, which are all within the scope of the utility model.
Claims (7)
1. The utility model provides a coal kind drying furnace which characterized in that: the device comprises a furnace body, wherein the furnace body is provided with a preheating zone, a drying zone and a cooling zone, heat exchange devices are arranged in the drying zone and the cooling zone, the heat exchange devices in the drying zone are used for heating and drying coal in the drying zone, and the heat exchange devices in the cooling zone are used for cooling the dried coal; the heat exchange device comprises a three-dimensional ribbed tube, an inlet tube and an outlet tube, wherein the inlet tube and the outlet tube are connected through a plurality of three-dimensional ribbed tubes; the three-dimensional ribbed tube high-temperature flue gas in the drying area passes through the drying area to release heat to heat coal in the drying area; the three-dimensional ribbed pipes in the cooling area are used for cooling water to pass through the cooling area so as to absorb heat and cool coal in the cooling area.
2. The coal seed drying oven of claim 1, wherein: the three-dimensional ribbed pipes are arranged in a staggered mode.
3. The coal seed drying oven according to claim 1 or 2, characterized in that: the pipe includes first body and first connecting pipe, first body coupling has many first connecting pipes, the lower extreme and the first connecting pipe of three-dimensional rib pipe are connected.
4. The coal seed drying oven according to claim 1 or 2, characterized in that: the exit tube includes second body and second connecting pipe, the second body is connected with many second connecting pipes, the upper end and the second connecting pipe of three-dimensional ribbed pipe are connected.
5. The coal seed drying oven of claim 1, wherein: the flue gas treatment device is connected with the heat exchange device in the drying area.
6. The coal seed drying oven of claim 1, wherein: the preheating zone is provided with a partition plate to divide the preheating zone into a material zone and a collecting zone, and the collecting zone is used for collecting water vapor.
7. The coal seed drying oven of claim 6, wherein: the cooling device is connected with the water storage device through a pipeline, the water storage device is connected with the heat exchange device located in the cooling area, and the heat exchange device is further connected with the cooling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321525002.3U CN220017975U (en) | 2023-06-15 | 2023-06-15 | Coal type drying furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321525002.3U CN220017975U (en) | 2023-06-15 | 2023-06-15 | Coal type drying furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220017975U true CN220017975U (en) | 2023-11-14 |
Family
ID=88682689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321525002.3U Active CN220017975U (en) | 2023-06-15 | 2023-06-15 | Coal type drying furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220017975U (en) |
-
2023
- 2023-06-15 CN CN202321525002.3U patent/CN220017975U/en active Active
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