CN220552265U - Kiln tail air cooling mechanism of lithium iron phosphate tunnel kiln - Google Patents
Kiln tail air cooling mechanism of lithium iron phosphate tunnel kiln Download PDFInfo
- Publication number
- CN220552265U CN220552265U CN202322209168.0U CN202322209168U CN220552265U CN 220552265 U CN220552265 U CN 220552265U CN 202322209168 U CN202322209168 U CN 202322209168U CN 220552265 U CN220552265 U CN 220552265U
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- kiln
- air
- plate
- heat
- kiln tail
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- 238000001816 cooling Methods 0.000 title claims abstract description 43
- 230000007246 mechanism Effects 0.000 title claims abstract description 23
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000010521 absorption reaction Methods 0.000 claims abstract description 13
- 230000005855 radiation Effects 0.000 claims abstract description 5
- 238000007664 blowing Methods 0.000 claims description 19
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 239000006096 absorbing agent Substances 0.000 claims 2
- 239000002918 waste heat Substances 0.000 abstract description 7
- 238000011084 recovery Methods 0.000 abstract description 6
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000005245 sintering Methods 0.000 description 3
- 206010010904 Convulsion Diseases 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000036461 convulsion Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910000398 iron phosphate Inorganic materials 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model discloses a kiln tail air cooling mechanism of a lithium iron phosphate tunnel kiln, which comprises a kiln tail section, wherein a fan is arranged at one side of the kiln tail section, a heat radiation opening is arranged at the top of the kiln tail section, and an air cooling assembly is arranged on the inner wall of the kiln tail section; according to the utility model, the air cooling assembly and the air guide structure are arranged, so that when the interior of the kiln is at high temperature, the fan can absorb heat in the kiln into the heat exchange box through the heat absorption plate, heat exchange is carried out through the external circulation cold water pipe, hot air with reduced temperature after heat exchange reenters the kiln, and high-temperature air is mixed into the kiln to exchange heat with the cold water pipe through circulation, and the heat loss can be reduced in the early stage of heat exchange, so that the waste heat recovery rate is improved; after the recovery rate of temperature reduction is reduced in the later stage of heat exchange, external water circulation is stopped, a push plate shielding an air inlet of a fan is opened, and air is introduced into the kiln.
Description
Technical Field
The utility model relates to the technical field of lithium iron phosphate manufacturing equipment, in particular to a kiln tail air cooling mechanism of a lithium iron phosphate tunnel kiln.
Background
The lithium iron phosphate is a material for manufacturing a battery, and when the lithium iron phosphate is manufactured, a phosphorus source and an iron source are required to be manufactured into the iron phosphate, and then the lithium source and a coating agent are added to be manufactured through the processes of mixing, grinding, drying, sintering, crushing and re-drying. Wherein a tunnel kiln is required for high temperature sintering during sintering. The cooling section of the tunnel kiln is mainly realized by natural ventilation and blowing cold air into the tunnel kiln.
The utility model discloses an energy-saving cooling section ventilation cooling device of tunnel kiln in China patent CN205505710U, including setting up at outside fan and the cooling device of tunnel kiln cooling section, cooling device including setting up outside cold water tank, the hot-water tank of tunnel kiln cooling section and hugging closely the cooling tube that the outside of tunnel kiln cooling section personally submits the S-arrangement, the cold water tank passes through the pipeline connection of taking the cold water pump with the water inlet end of cooling tube, the hot-water tank passes through the pipeline connection of taking the hot-water pump with the water inlet end of cooling tube, the play water end of cooling tube flows back to the hot-water tank.
The device is cooled through the mode that sets up cold water pipe at tunnel cave's inner wall, although can improve cooling effect for natural cooling, at the later stage of cooling, after the waste heat exchange rate reduces, the air fluxion in the kiln can not improve, makes the low steam of heat exchange rate can not by quick effluvium.
Disclosure of Invention
The utility model aims to provide a kiln tail air cooling mechanism of a lithium iron phosphate tunnel kiln, which is used for solving the problem that hot air cannot be rapidly emitted when recoverable heat in the kiln is not worth carrying out heat exchange during continuous water circulation after the waste heat exchange rate is reduced in the later stage of cooling.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the kiln tail air cooling mechanism of the lithium iron phosphate tunnel kiln comprises a kiln tail section, wherein a fan is arranged on one side of the kiln tail section, a heat radiation opening is formed in the top of the kiln tail section, an air cooling component is arranged on the inner wall of the kiln tail section, a heat exchange box is arranged on one side of the fan, a pipeline structure for being connected with the air cooling component is arranged at one end of the heat exchange box, and an air diversion structure for controlling air to be pumped into a source is arranged on one side of the fan;
the air cooling assembly comprises a heat absorbing plate and a blast plate, and a moving mechanism for driving the heat absorbing plate and the blast plate to move is arranged in the kiln tail section.
Preferably, the pipeline structure comprises an air suction pipe and a blast pipe, the tops of the air suction plate and the blast plate are fixedly connected, the air suction plate and the blast plate are both hollow, one end of the air suction pipe is communicated with the inner cavity of the air suction plate, and one end of the blast pipe is communicated with the inner cavity of the blast plate.
Preferably, a heat absorbing hole is formed in one side of the heat absorbing plate, a blowing hole is formed in one side of the air blowing plate, and a plurality of heat absorbing holes and blowing holes are formed in the heat absorbing plate and the blowing hole.
Preferably, the air guide structure comprises a push plate and an electric push rod for driving the push plate to move back and forth, a fixing rod is fixed on one side of the air exhaust end of the fan, a fixing plate is fixed on one end of the fixing rod, and the electric push rod is installed on one side of the fixing plate.
Preferably, the top of fan is provided with the end of giving vent to anger, the blast pipe is connected with the end of giving vent to anger, be provided with outer circulation cold water pipe in the heat exchange box, the convulsions end is installed at the top of heat exchange box, the aspiration channel communicates with the convulsions end, the inner chamber and the fan inner chamber intercommunication of heat exchange box.
Preferably, the moving mechanism comprises a screw and a driving motor for driving the screw to rotate, an installation block for the screw to rotate and be connected is fixed on the inner wall of the kiln tail section, the driving motor is installed on one side of the kiln tail section, and the bottom ends of the heat absorbing plate and the blast plate are in threaded connection with the outer wall of the screw.
Preferably, the moving mechanism further comprises a guide post and a sliding block, the guide post is fixed on the inner wall of the heat dissipation opening, the sliding block is slidably connected to the outer portion of the guide post, and the top ends of the heat absorbing plate and the air blowing plate are fixedly connected with the sliding block.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the air cooling assembly and the air guide structure are arranged, so that when the interior of the kiln is at high temperature, the fan can absorb heat in the kiln into the heat exchange box through the heat absorption plate, heat exchange is carried out through the external circulation cold water pipe, hot air with reduced temperature after heat exchange reenters the kiln, and high-temperature air is mixed into the kiln to exchange heat with the cold water pipe through circulation, and the heat loss can be reduced in the early stage of heat exchange, so that the waste heat recovery rate is improved; after the recovery rate of temperature reduction is reduced in the later stage of heat exchange, external water circulation is stopped, a push plate shielding an air inlet of a fan is opened, and air is introduced into the kiln.
Drawings
FIG. 1 is an isometric view of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a schematic view of the structure of the interior of the kiln tail section of the present utility model;
FIG. 4 is a schematic diagram of a fan and heat exchange box according to the present utility model.
In the figure: 1. a kiln tail section; 2. a blower; 3. a heat radiation port; 4. an air cooling assembly; 5. a heat exchange box; 6. a pipe structure; 7. an air guiding structure; 401. a heat absorbing plate; 402. a wind blowing plate; 601. an air suction pipe; 602. a blast pipe; 603. a heat absorbing hole; 604. a blowing hole; 701. a push plate; 702. an electric push rod; 703. a fixed rod; 704. a fixing plate; 705. an air outlet end; 706. an external circulation cold water pipe; 707. exhausting end; 708. a screw; 709. a driving motor; 710. a mounting block; 711. a guide post; 712. a sliding block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: a kiln tail air cooling mechanism of a lithium iron phosphate tunnel kiln comprises a kiln tail section 1, wherein a fan 2 is arranged on one side of the kiln tail section 1, a heat radiation opening 3 is formed in the top of the kiln tail section 1, an air cooling component 4 is arranged on the inner wall of the kiln tail section 1, a heat exchange box 5 is arranged on one side of the fan 2, a pipeline structure 6 for connecting the air cooling component 4 is arranged at one end of the heat exchange box 5, and an air diversion structure 7 for controlling air to be pumped into a source is arranged on one side of the fan 2;
the air cooling assembly 4 comprises a heat absorbing plate 401 and a blast plate 402, and a moving mechanism for driving the heat absorbing plate 401 and the blast plate 402 to move is arranged in the kiln tail section 1.
The pipeline structure 6 comprises an air suction pipe 601 and a blast pipe 602, the tops of the heat absorption plate 401 and the blast plate 402 are fixedly connected, the heat absorption plate 401 and the blast plate 402 are all in hollow arrangement, one end of the air suction pipe 601 is communicated with the inner cavity of the heat absorption plate 401, and one end of the blast pipe 602 is communicated with the inner cavity of the blast plate 402.
When the kiln car moves in the tunnel kiln, the kiln car reaches the kiln tail section 1, the heat absorbing plate 401 and the air blowing plate 402 are respectively positioned at two sides of the kiln car, cold air is blown at one side for absorbing heat, and heat is transferred to the heat exchange box 5 through air.
A heat absorbing hole 603 is formed in one side of the heat absorbing plate 401, a blowing hole 604 is formed in one side of the blowing plate 402, and a plurality of heat absorbing holes 603 and blowing holes 604 are formed.
The air guide structure 7 comprises a push plate 701 and an electric push rod 702 for driving the push plate 701 to move back and forth, a fixing rod 703 is fixed on one side of the air exhaust end of the fan 2, a fixing plate 704 is fixed on one end of the fixing rod 703, and the electric push rod 702 is arranged on one side of the fixing plate 704.
After the electric push rod 702 is started, the push plate 701 is pushed forward, so that the push plate 701 shields an air inlet net of the fan 2, at the moment, the fan 2 mainly extracts air in the heat exchange box 5, the air in the heat exchange box 5 mainly comes from hot air entering through the heat absorption plate 401 in the kiln, enters the fan 2 after heat exchange through the external circulation cold water pipe 706, and reenters the kiln through the fan 2.
The top of fan 2 is provided with the end 705 of giving vent to anger, and blast pipe 602 is connected with the end 705 of giving vent to anger, is provided with outer circulation cold water pipe 706 in the heat transfer box 5, and the updraft ventilator 707 is installed at the top of heat transfer box 5, and aspiration channel 601 and updraft ventilator 707 intercommunication, the inner chamber of heat transfer box 5 and fan 2 inner chamber intercommunication. The external circulation cold water pipe 706 continuously enters cold water from one end, and the water after heat exchange flows out from the other end.
The moving mechanism comprises a screw 708 and a driving motor 709 for driving the screw 708 to rotate, an installation block 710 for the screw 708 to rotate and be connected is fixed on the inner wall of the kiln tail section 1, the driving motor 709 is installed on one side of the kiln tail section 1, and the bottoms of the heat absorbing plate 401 and the blast plate 402 are in threaded connection with the outer wall of the screw 708.
The moving mechanism further comprises a guide column 711 and a sliding block 712, wherein the guide column 711 is fixed on the inner wall of the heat dissipation port 3, the sliding block 712 is slidably connected to the outside of the guide column 711, and the top ends of the heat absorbing plate 401 and the air blowing plate 402 are fixedly connected with the sliding block 712.
The driving motor 709 is started, the screw 708 rotates, the sliding block 712 outside the screw 708 can be moved under the guide rod of the guide rod, and the driving motor 709 and the screw 708 are respectively provided with two groups, so that the heat absorbing plate 401 and the blast plate 402 can be driven to move on two sides of the kiln car.
When the kiln car is used, the kiln car moves in the tunnel kiln to reach the kiln tail section 1, the heat absorbing plate 401 and the air blowing plate 402 are respectively positioned at two sides of the kiln car, at the moment, the kiln tail temperature is higher, the electric push rod 702 is started, the push plate 701 is pushed forwards, the push plate 701 shields the air inlet net of the fan 2, the fan 2 is started, at the moment, the fan 2 mainly extracts the air in the heat exchange box 5, the air in the heat exchange box 5 mainly comes from the hot air entering from the heat absorbing plate 401 in the kiln, enters the fan 2 after heat exchange by the external circulation cold water pipe 706, reenters the kiln by the fan 2 and the air blowing plate 402, and is mixed with the air in the kiln and subjected to heat exchange treatment again; when the temperature of the air in the kiln is reduced after the air is circulated for a period of time, the electric push rod 702 is closed, and the fan 2 acquires a wind source from outside the kiln to blow out the waste heat in the kiln.
The method can reduce heat loss in the early stage of heat exchange and improve the recovery rate of waste heat; after the recovery rate is reduced in the later heat exchange stage, outside air is blown into the kiln, so that the heat dissipation in the later stage is realized while the utilization of waste heat is improved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A kiln tail air cooling mechanism of a lithium iron phosphate tunnel kiln is characterized in that: the kiln comprises a kiln tail section (1), wherein a fan (2) is arranged on one side of the kiln tail section (1), a heat radiation opening (3) is formed in the top of the kiln tail section (1), an air cooling assembly (4) is arranged on the inner wall of the kiln tail section (1), a heat exchange box (5) is arranged on one side of the fan (2), a pipeline structure (6) for being connected with the air cooling assembly (4) is arranged at one end of the heat exchange box (5), and an air guide structure (7) for controlling air to be pumped into a source is arranged on one side of the fan (2);
the air cooling assembly (4) comprises an absorber plate (401) and a blast plate (402), and a moving mechanism for driving the absorber plate (401) and the blast plate (402) to move is arranged in the kiln tail section (1).
2. The kiln tail air cooling mechanism of the lithium iron phosphate tunnel kiln according to claim 1, wherein: pipeline structure (6) are including aspiration channel (601) and blast pipe (602), the top fixed connection of heat absorption board (401) and blast air board (402), heat absorption board (401) and blast air board (402) are the cavity setting all, the inner chamber intercommunication of one end and heat absorption board (401) of aspiration channel (601), the inner chamber intercommunication of blast pipe (602).
3. The kiln tail air cooling mechanism of the lithium iron phosphate tunnel kiln, according to claim 2, is characterized in that: a heat absorption hole (603) is formed in one side of the heat absorption plate (401), a blowing hole (604) is formed in one side of the blowing plate (402), and a plurality of heat absorption holes (603) and the blowing holes (604) are formed.
4. A kiln tail air cooling mechanism of a lithium iron phosphate tunnel kiln according to claim 3, wherein: the air guide structure (7) comprises a push plate (701) and an electric push rod (702) for driving the push plate (701) to move back and forth, a fixing rod (703) is fixed on one side of an air exhaust end of the fan (2), a fixing plate (704) is fixed on one end of the fixing rod (703), and the electric push rod (702) is installed on one side of the fixing plate (704).
5. The kiln tail air cooling mechanism of the lithium iron phosphate tunnel kiln, as set forth in claim 4, wherein: the top of fan (2) is provided with end (705) of giving vent to anger, blast pipe (602) are connected with end (705) of giving vent to anger, be provided with outer circulation cold water pipe (706) in heat exchange box (5), updraft ventilator (707) are installed at the top of heat exchange box (5), aspiration channel (601) and updraft ventilator (707) intercommunication, the inner chamber of heat exchange box (5) and fan (2) inner chamber intercommunication.
6. The kiln tail air cooling mechanism of the lithium iron phosphate tunnel kiln, as set forth in claim 5, wherein: the moving mechanism comprises a screw rod (708) and a driving motor (709) for driving the screw rod (708) to rotate, an installation block (710) for the screw rod (708) to rotate and be connected is fixed on the inner wall of the kiln tail section (1), the driving motor (709) is installed on one side of the kiln tail section (1), and the bottom ends of the heat absorbing plate (401) and the blast plate (402) are in threaded connection with the outer wall of the screw rod (708).
7. The kiln tail air cooling mechanism of the lithium iron phosphate tunnel kiln, as set forth in claim 6, wherein: the moving mechanism further comprises a guide column (711) and a sliding block (712), the guide column (711) is fixed on the inner wall of the heat dissipation opening (3), the sliding block (712) is slidably connected to the outside of the guide column (711), and the top ends of the heat absorption plate (401) and the air blowing plate (402) are fixedly connected with the sliding block (712).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322209168.0U CN220552265U (en) | 2023-08-17 | 2023-08-17 | Kiln tail air cooling mechanism of lithium iron phosphate tunnel kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322209168.0U CN220552265U (en) | 2023-08-17 | 2023-08-17 | Kiln tail air cooling mechanism of lithium iron phosphate tunnel kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220552265U true CN220552265U (en) | 2024-03-01 |
Family
ID=90007645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322209168.0U Active CN220552265U (en) | 2023-08-17 | 2023-08-17 | Kiln tail air cooling mechanism of lithium iron phosphate tunnel kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220552265U (en) |
-
2023
- 2023-08-17 CN CN202322209168.0U patent/CN220552265U/en active Active
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