CN212030190U - Roller kiln waste heat recycling device for ferrite sintering - Google Patents
Roller kiln waste heat recycling device for ferrite sintering Download PDFInfo
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- CN212030190U CN212030190U CN202020686121.7U CN202020686121U CN212030190U CN 212030190 U CN212030190 U CN 212030190U CN 202020686121 U CN202020686121 U CN 202020686121U CN 212030190 U CN212030190 U CN 212030190U
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- Prior art keywords
- pipe
- air
- heat extraction
- heat
- preheating
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- 229910000859 α-Fe Inorganic materials 0.000 title claims abstract description 17
- 238000005245 sintering Methods 0.000 title claims abstract description 15
- 239000002918 waste heat Substances 0.000 title claims abstract description 14
- 238000004064 recycling Methods 0.000 title claims description 11
- 238000000605 extraction Methods 0.000 claims abstract description 57
- 238000001816 cooling Methods 0.000 claims abstract description 35
- 239000000779 smoke Substances 0.000 claims abstract description 29
- 239000007789 gas Substances 0.000 claims abstract description 21
- 239000003517 fume Substances 0.000 claims abstract 4
- 238000005507 spraying Methods 0.000 claims description 11
- 238000005086 pumping Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 239000011094 fiberboard Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- PXXKQOPKNFECSZ-UHFFFAOYSA-N platinum rhodium Chemical compound [Rh].[Pt] PXXKQOPKNFECSZ-UHFFFAOYSA-N 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims description 2
- 238000002347 injection Methods 0.000 abstract description 7
- 239000007924 injection Substances 0.000 abstract description 7
- 239000000284 extract Substances 0.000 abstract description 5
- 239000002912 waste gas Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model provides a roller kilns waste heat recycles device for ferrite sintering, including the kiln body and heat abstractor, fume extractor and the preheating device of setting on the kiln body, the kiln body falls into heating-up area, high temperature region and cooling area in proper order, heat abstractor and fume extractor set up at cooling area, and preheating device sets up at heating-up area, and heat abstractor and fume extractor's air outlet one end and preheating device intercommunication. The smoke exhaust pipe extracts smoke at the tail part of the cooling area, the smoke is filtered by the tail gas treatment device and then is communicated with the preheating device through the first branch pipe, and the tail gas treatment device is a microwave plasma waste gas treatment device; the heat extraction fan extracts hot air in the cooling area through heat extraction branch pipes distributed on the cooling area and conveys the hot air to a fork of the first branch pipe through the heat extraction fan; the hot air sent by the preheating device is conveyed into the kiln body through an air square pipe and an air injection pipe; the heat is recycled, the ineffective discharge of the heat is reduced, and the energy utilization efficiency is improved.
Description
Technical Field
The utility model relates to a roller kilns technical field specifically is a roller kilns waste heat recycles device for ferrite sintering.
Background
The permanent magnetic ferrite is a basic functional material in the electronic industry, the permanent magnetic material is an important component of a magnetic material, and plays an important role in the electronic industry, the information industry, the motorcycle industry, the electric tool industry, the automobile industry and other industries, and the permanent magnetic ferrite material is a functional material for generating a magnetic field.
The existing permanent magnetic ferrite sintering process is that the blank is dehydrated in the heating area of the kiln body, the sintered product obtains high magnetic performance and mechanical performance in the high temperature area of the kiln body, and the sintered product is cooled in the cooling area of the kiln body. The heat in the cooling zone is emitted outwards in a large amount in the production process, which causes resource waste, and is very unfortunately.
SUMMERY OF THE UTILITY MODEL
The technical problem solved by the utility model is to provide a roller kiln waste heat recycling device for ferrite sintering to solve the problem that proposes in the above-mentioned background art.
The utility model provides a technical problem adopt following technical scheme to realize: a roller kiln waste heat recycling device for ferrite sintering comprises a kiln body, and a heat extraction device, a smoke exhaust device and a preheating device which are arranged on the kiln body, wherein the kiln body is sequentially divided into a heating area, a high-temperature area and a cooling area; the heat extraction device and the smoke exhaust device are arranged in the cooling area, the preheating device is arranged in the heating area, and one ends of air outlets of the heat extraction device and the smoke exhaust device are communicated with the preheating device;
the heat extraction device comprises a heat extraction pipe arranged at the upper end of the cooling area, a plurality of heat extraction branch pipes arranged at the lower end of the heat extraction pipe and connected with the kiln body, and a heat extraction fan connected with the heat extraction pipe, wherein an air outlet of the heat extraction fan is connected with the preheating device;
the exhaust device comprises an exhaust pipe arranged at the head of the cooling area, an exhaust fan connected with the exhaust pipe and a tail gas treatment device connected with an air outlet of the exhaust fan, wherein the air outlet of the tail gas treatment device is provided with a first branch pipe and a second branch pipe, and the first branch pipe is connected with the preheating device;
the preheating device comprises a preheating fan, an air square pipe arranged at the upper end of the temperature rising area and air spraying pipes distributed at two ends of the air square pipe, one end of the preheating fan is connected with an air outlet of the air pumping fan and an air outlet of the tail gas treatment device through a first branch pipe, and the other end of the preheating fan is connected with the air square pipe through a preheating air pipe.
The utility model discloses a further scheme does: the heat extraction branch pipes are uniformly distributed at the upper end of the cooling area, the top ends of the heat extraction branch pipes are communicated with the heat extraction pipe, the bottom ends of the heat extraction branch pipes are communicated with the kiln body through an exhaust hood, and the lower ends of the heat extraction branch pipes are provided with gate valves for controlling on-off.
The utility model discloses a further scheme does: the first branch pipe and the second branch pipe are respectively communicated with an air outlet of the tail gas treatment device, and a butterfly valve for controlling on-off is arranged on the second branch pipe.
The utility model discloses a further scheme does: the second branch pipe is connected with an air supply device, the air supply device comprises an air supply motor connected with the second branch pipe, an air supply pipe connected with the air supply motor and an air supply branch pipe arranged on the kiln body, and the air supply branch pipe is inserted into the kiln body to cool the cooling area.
The utility model discloses a further scheme does: and one end of the air spraying pipe is communicated with the air square pipe, the other end of the air spraying pipe is inserted into the kiln body and is provided with an air spraying opening, and the air spraying pipe is provided with an individually controlled ball valve.
The utility model discloses a further scheme does: and the smoke exhaust pipe, the heat extraction air pipe and the air square pipe are respectively provided with a platinum-rhodium thermocouple.
The utility model discloses a further scheme does: the smoke exhaust pipe, the heat extraction air pipe, the heat extraction branch pipe, the preheating air pipe and the air square pipe are insulated by two layers, the inner layer of the insulation is an aluminum silicate fiberboard, and the outer layer is wound with a layer of sealed glass fiber cloth.
Compared with the prior art, the beneficial effects of the utility model are that: the smoke exhaust pipe extracts smoke at the tail part of the cooling area, the smoke is filtered by the tail gas treatment device and then is communicated with the preheating device through the first branch pipe, and the tail gas treatment device is a microwave plasma waste gas treatment device; the heat extraction fan extracts hot air in the cooling area through heat extraction branch pipes distributed on the cooling area and conveys the hot air to a fork of the first branch pipe through the heat extraction fan; the hot air sent by the preheating device is conveyed into the kiln body through an air square pipe and an air injection pipe; the heat is recycled, the ineffective discharge of the heat is reduced, and the energy utilization efficiency is improved. The first branch pipe and the second branch pipe are air outlets which are communicated with the tail gas treatment device in parallel, the second branch pipe is connected with an air supply device, the air supply device is communicated with the interior of the kiln body through an air supply pipe, the temperature difference between the supply air and the interior of the cooling area is reduced, and the phenomenon that articles are deformed and cracked due to overlarge temperature difference after being cooled by cold air is avoided, so that the qualified rate of products is improved.
Drawings
Fig. 1 is a schematic front view of the present invention;
fig. 2 is a schematic top view of the present invention;
fig. 3 is a schematic cross-sectional view of the installation of the air injection pipe of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the specific drawings.
As shown in FIGS. 1-3,
the embodiment provides a roller kiln waste heat recycling device for ferrite sintering, which comprises a kiln body 1, and a heat extraction device, a smoke exhaust device and a preheating device which are arranged on the kiln body 1, wherein the kiln body 1 is sequentially divided into a heating area 11, a high temperature area 12 and a cooling area 13; the heat extraction device and the smoke exhaust device are arranged in the cooling area 13, the preheating device is arranged in the heating area 11, and one ends of air outlets of the heat extraction device and the smoke exhaust device are communicated with the preheating device; the heat extraction device comprises a heat extraction air pipe 2 arranged at the upper end of the cooling area 13, a plurality of heat extraction branch pipes 21 arranged at the lower end of the heat extraction air pipe 2 and connected with the kiln body 1, and a heat extraction air fan 22 connected with the heat extraction air pipe 2, wherein an air outlet of the heat extraction air fan 22 is connected with the preheating device; the smoke exhaust device comprises a smoke exhaust pipe 3 arranged at the head of the cooling zone 13, a smoke exhaust fan 31 connected with the smoke exhaust pipe 3 and a tail gas treatment device 32 connected with an air outlet of the smoke exhaust fan 31, wherein the air outlet of the tail gas treatment device 32 is provided with a first branch pipe 33 and a second branch pipe 34, and the first branch pipe 33 is connected with the preheating device; preheating device is including preheating fan 4, setting up in the air side pipe 41 of heating-up area 11 upper end and the spout tuber pipe 42 that distributes at air side pipe 41 both ends, preheating fan 4's one end is passed through first branch pipe 33 and is connected with the air outlet of taking out air heater 22 and tail gas processing apparatus 32, and preheating fan 4's the other end is connected with air side pipe 41 through preheating tuber pipe 43, preheats the article in the heating-up area 11 through the high-temperature gas that carries cooling-down area 13 and take out, improves energy efficiency.
In this embodiment, the heat-pumping branch pipes 21 are uniformly distributed at the upper end of the cooling area 13, the top ends of the heat-pumping branch pipes 21 are communicated with the heat-pumping pipe 2, the bottom ends of the heat-pumping branch pipes 21 are communicated with the kiln body 1 through the exhaust hood 23, and the lower ends of the heat-pumping branch pipes 21 are provided with gate valves 24 for controlling on-off.
In this embodiment, the first branch pipe 33 and the second branch pipe 34 are respectively communicated with an air outlet of the exhaust gas treatment device 32, and the second branch pipe 34 is provided with a butterfly valve 35 for controlling on-off. The second branch pipe 34 is connected with an air supply device, the air supply device comprises an air supply motor 36 connected with the second branch pipe 34, an air supply pipe 37 connected with the air supply motor 36 and an air supply branch pipe 38 arranged on the kiln body 1, and the air supply branch pipe 38 is inserted into the kiln body 1 to cool the cooling area 13; the air temperature in the second branch pipe 34 is low, the temperature difference of the entering air can be reduced when the air enters the cooling area 13, the defects of deformation and cracking of the articles passing through the cooling area 13 are effectively avoided, and the product percent of pass is improved.
In this embodiment, one end of the air injection pipe 42 is communicated with the air square pipe 41, the other end of the air injection pipe is inserted into the kiln body 1 and is provided with an air injection port 44, and the air injection pipe 42 is provided with an individually controlled ball valve 45.
In this embodiment, the smoke exhaust pipe 3, the heat extraction air pipe 2, and the air square pipe 41 are respectively provided with a platinum-rhodium thermocouple for measuring the hot air temperature. The smoke exhaust pipe 3, the heat extraction air pipe 2, the heat extraction branch pipe 21, the preheating air pipe 43 and the air square pipe 41 adopt two layers of heat preservation, the inner layer of the heat preservation is an aluminum silicate fiberboard, and the outer layer is wound with a layer of sealed glass fiber cloth.
The utility model discloses a theory of operation does: the smoke exhaust pipe 3 is used for extracting smoke at the tail part of the cooling area 13, filtering the smoke through a tail gas treatment device 32, and then communicating the smoke with the preheating device through a first branch pipe 33, wherein the tail gas treatment device 32 is a microwave plasma waste gas treatment device; the heat extraction fan 22 extracts hot air in the cooling zone 13 through the heat extraction branch pipes 21 distributed on the cooling zone 13, and the hot air is conveyed to a fork of the first branch pipe 33 through the heat extraction fan 22; the hot air sent by the preheating device is conveyed into the kiln body 1 through an air square pipe 41 and an air spraying pipe 42; the heat is recycled, the ineffective discharge of the heat is reduced, and the energy utilization efficiency is improved. The first branch pipe 33 and the second branch pipe 34 are air outlets which are communicated with the tail gas treatment device 32 in parallel, the second branch pipe 34 is connected with an air supply device, the air supply device is communicated with the inside of the kiln body 1 through an air supply pipe 37, the temperature difference between the supply air of the cooling area 13 and the inside is reduced, the phenomenon that articles are deformed and cracked due to overlarge temperature difference after being cooled by cold air is avoided, and the qualified rate of products is improved.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a roller kiln waste heat recycles device for ferrite sintering, includes the kiln body and sets up heat abstractor, fume extractor and preheating device on the kiln body, and the kiln body divides into heating-up area, high temperature region and cooling area in proper order, its characterized in that: the heat extraction device and the smoke exhaust device are arranged in the cooling area, the preheating device is arranged in the heating area, and one ends of air outlets of the heat extraction device and the smoke exhaust device are communicated with the preheating device;
the heat extraction device comprises a heat extraction pipe arranged at the upper end of the cooling area, a plurality of heat extraction branch pipes arranged at the lower end of the heat extraction pipe and connected with the kiln body, and a heat extraction fan connected with the heat extraction pipe, wherein an air outlet of the heat extraction fan is connected with the preheating device;
the exhaust device comprises an exhaust pipe arranged at the head of the cooling area, an exhaust fan connected with the exhaust pipe and a tail gas treatment device connected with an air outlet of the exhaust fan, wherein the air outlet of the tail gas treatment device is provided with a first branch pipe and a second branch pipe, and the first branch pipe is connected with the preheating device;
the preheating device comprises a preheating fan, an air square pipe arranged at the upper end of the temperature rising area and air spraying pipes distributed at two ends of the air square pipe, one end of the preheating fan is connected with an air outlet of the air pumping fan and an air outlet of the tail gas treatment device through a first branch pipe, and the other end of the preheating fan is connected with the air square pipe through a preheating air pipe.
2. The roller kiln waste heat recycling device for ferrite sintering according to claim 1, characterized in that: the heat extraction branch pipes are uniformly distributed at the upper end of the cooling area, the top ends of the heat extraction branch pipes are communicated with the heat extraction pipe, the bottom ends of the heat extraction branch pipes are communicated with the kiln body through an exhaust hood, and the lower ends of the heat extraction branch pipes are provided with gate valves for controlling on-off.
3. The roller kiln waste heat recycling device for ferrite sintering according to claim 2, characterized in that: the first branch pipe and the second branch pipe are respectively communicated with an air outlet of the tail gas treatment device, and a butterfly valve for controlling on-off is arranged on the second branch pipe.
4. The roller kiln waste heat recycling device for ferrite sintering according to claim 3, characterized in that: the second branch pipe is connected with an air supply device, the air supply device comprises an air supply motor connected with the second branch pipe, an air supply pipe connected with the air supply motor and an air supply branch pipe arranged on the kiln body, and the air supply branch pipe is inserted into the kiln body to cool the cooling area.
5. The roller kiln waste heat recycling device for ferrite sintering according to claim 1, characterized in that: and one end of the air spraying pipe is communicated with the air square pipe, the other end of the air spraying pipe is inserted into the kiln body and is provided with an air spraying opening, and the air spraying pipe is provided with an individually controlled ball valve.
6. The roller kiln waste heat recycling device for ferrite sintering according to claim 1, characterized in that: and the smoke exhaust pipe, the heat extraction air pipe and the air square pipe are respectively provided with a platinum-rhodium thermocouple.
7. The roller kiln waste heat recycling device for ferrite sintering according to claim 6, characterized in that: the smoke exhaust pipe, the heat extraction air pipe, the heat extraction branch pipe, the preheating air pipe and the air square pipe are insulated by two layers, the inner layer of the insulation is an aluminum silicate fiberboard, and the outer layer is wound with a layer of sealed glass fiber cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020686121.7U CN212030190U (en) | 2020-04-29 | 2020-04-29 | Roller kiln waste heat recycling device for ferrite sintering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020686121.7U CN212030190U (en) | 2020-04-29 | 2020-04-29 | Roller kiln waste heat recycling device for ferrite sintering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212030190U true CN212030190U (en) | 2020-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020686121.7U Withdrawn - After Issue CN212030190U (en) | 2020-04-29 | 2020-04-29 | Roller kiln waste heat recycling device for ferrite sintering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212030190U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426186A (en) * | 2020-04-29 | 2020-07-17 | 安徽普惠住能磁业科技有限公司 | Roller kiln waste heat recycling device for ferrite sintering |
-
2020
- 2020-04-29 CN CN202020686121.7U patent/CN212030190U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426186A (en) * | 2020-04-29 | 2020-07-17 | 安徽普惠住能磁业科技有限公司 | Roller kiln waste heat recycling device for ferrite sintering |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20201127 Effective date of abandoning: 20240516 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20201127 Effective date of abandoning: 20240516 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |