CN101592437B - System for sintering magnetic materials - Google Patents
System for sintering magnetic materials Download PDFInfo
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- CN101592437B CN101592437B CN2009101001903A CN200910100190A CN101592437B CN 101592437 B CN101592437 B CN 101592437B CN 2009101001903 A CN2009101001903 A CN 2009101001903A CN 200910100190 A CN200910100190 A CN 200910100190A CN 101592437 B CN101592437 B CN 101592437B
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- gas
- sintering
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- pipe
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- 238000005245 sintering Methods 0.000 title claims abstract description 39
- 239000000696 magnetic material Substances 0.000 title claims abstract description 20
- 239000007789 gas Substances 0.000 claims abstract description 50
- 239000003034 coal gas Substances 0.000 claims abstract description 29
- 238000002485 combustion reaction Methods 0.000 claims abstract description 21
- 241000220317 Rosa Species 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 4
- 239000003546 flue gas Substances 0.000 claims description 4
- 239000002912 waste gas Substances 0.000 abstract description 3
- 239000011148 porous material Substances 0.000 abstract 2
- 239000003245 coal Substances 0.000 description 11
- 239000000047 product Substances 0.000 description 7
- 239000000446 fuel Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000011280 coal tar Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Images
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- Manufacture And Refinement Of Metals (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention relates to a sintering system, in particular to a system for sintering magnetic materials. The system comprises a kiln furnace, of which the inside is provided with a sintering pore, and a combustion chamber arranged below the sintering pore is provided with a waste gas pipe connected with a chimney; the combustion chamber is connected with a gas inlet provided with a coal gas opening and an air opening; the coal gas opening is connected with a coal gas supply device by a coal gas pipe, and the air opening is connected with an air supply device by an air pipe; and the coal gas pipe and the air pipe are provided with an adjusting valve respectively. The system has the advantages of solving the problems of unstable furnace temperature, high using cost and serious pollution existing in the conventional system for sintering the magnetic materials and providing a sintering system with accurately controlled furnace temperature, low use cost and less pollution.
Description
Technical field
The present invention relates to a kind of sintering system, relate in particular to a kind of sintering system of magnetic material.
Background technology
The application of magnetic material is very extensive, and it is mainly used in the auxiliary products such as audio amplifier, television set, Communication Equipment, computer, electronic transformer, can also be applied to fields such as automotive electronics and power motor.The sintering of magnetic material mainly is to rely on coal stove sintering or two kinds of systems of electric furnace sintering at present, but these two kinds of systems all exist many problems that are difficult to overcome: a large amount of burning coals of coal stove, produce a large amount of the pollution, coal stove need rely on the hand firing simultaneously, not only increase artificial, and most critical is accurately to control furnace temperature, also can't accurately regulate furnace temperature, furnace temperature fluctuation during the coal stove sintering 40 spend to 50 the degree about, can produce a large amount of wasters like this, the percentage of A-class goods has only about 80%, and the also non-constant of the quality of finished product, causes high-end magnetic material can't utilize the coal stove sintering.Electric furnace mainly relies on electricity heating sintered magnetic material, its advantage is that the control furnace temperature is accurately convenient, furnace temperature fluctuation is about 5 degree, present high-end magnetic material mainly relies on the electric furnace sintering, but electric furnace also has the problem that self can't overcome, and that is exactly that cost is too high, and extremely relies on electric power, under the situation of present China power tense, very inapplicable.In sum, the traditional magnetic material sintering system has the furnace temperature instability, the use cost height, and how with serious pollution problem addresses the above problem, just inventor's problem that will solve.
Summary of the invention
The invention solves traditional magnetic material sintering process furnace temperature instability, use cost height, with serious pollution problem, provide that a kind of furnace temperature is stable, low-cost, oligosaprobic sintering system.
Its concrete technical scheme is: a kind of sintering system of magnetic material, comprise kiln, be provided with the sintering duct in the described kiln, below, described sintering duct is provided with the combustion chamber, described combustion chamber is provided with flue gas leading and is connected with chimney, described combustion chamber is connected with air inlet pipe, described air inlet pipe is provided with coal gas opening and air openings, described coal gas opening is connected with the gas supply device by gas pipe, described air openings is connected with air supply device by air hose, be respectively equipped with control valve on described gas pipe and the air hose, described kiln top is provided with the loop, labyrinth, the air supply device that described air hose one end connects is a blower fan, the other end is connected with air openings on the air inlet pipe after by loop, described labyrinth, be connected with Rose Box on the described gas pipe, described Rose Box comprises casing, the casing upper end is provided with gas inlet that links to each other with the gas supply device by gas pipe and the gas exit that links to each other with coal gas opening on the air inlet pipe, be provided with short shutter between described gas inlet and the gas exit, gas inlet is provided with long baffle plate successively and safeguards opening away from short shutter one side.Use coal gas to act as a fuel and to control the quantity of the fuel that enters the combustion chamber accurately, thereby reach the purpose of accurate control furnace temperature.Use coal gas to act as a fuel furnace temperature fluctuation about 5 degree, so just improved the percentage of A-class goods of product greatly, and the furnace temperature fluctuation of 5 degree can only be with the product of electric furnace sintering in can the sintering tradition, but use gas cost lower than electric furnace, simultaneously, the pollutant that discharges after the gas-fired also is less than direct burning coal greatly.If control valve can accurate more regulating and controlling furnace temperature.Air hose is by the loop, labyrinth, makes air utilize the waste heat heating of kiln, can the more efficient use heat, reduce the use of fuel, and reduce cost.The coal gas of gas generator production contains impurity such as coal tar, dust, and the gas-fired behind the impurity screening is more stable, and disposal of pollutants is also few.
As preferably, described gas supply device is a gas generator.Use gas generator further to reduce cost, compare, reduced the use amount of 20% coal, and saved manually with traditional coal stove.
As preferably, described air inlet pipe is provided with mixing chamber.Mixing chamber makes mixing more even.
As preferably, described combustion chamber is symmetrical two, is respectively equipped with an air inlet pipe on described two combustion chambers, and described air inlet pipe is located at the outside, combustion chamber.Being divided into two combustion chambers can make furnace temperature more even.
The invention solves traditional magnetic material sintering system furnace temperature instability, use cost height, with serious pollution problem, provide a kind of and can accurately control furnace temperature, use cost is low, pollutes few sintering system.
Description of drawings
Fig. 1 is the structural representation of kiln of the present invention;
Fig. 2 is a Rose Box structural representation of the present invention;
Fig. 3 is a labyrinth of the present invention loop structure schematic diagram.
The specific embodiment
Below in conjunction with Fig. 1, Fig. 2, Fig. 3 the utility model embodiment 1 is described in further detail:
A kind of sintering system of magnetic material, comprise kiln 13, be provided with sintering duct 2 in the described kiln 13,2 belows, described sintering duct are provided with symmetrical two combustion chambers 6, described combustion chamber 6 is provided with flue gas leading and is connected with chimney, described combustion chamber 6 is connected with air inlet pipe 3, described air inlet pipe 3 is provided with mixing chamber 15, described air inlet pipe 3 is provided with coal gas opening 5 and air openings 4, described coal gas opening 5 is connected with gas generator by gas pipe, be connected with Rose Box 7 on the described gas pipe, described Rose Box 7 comprises casing, the casing upper end is provided with gas inlet 10 that links to each other with the gas supply device by gas pipe and the gas exit 8 that links to each other with coal gas opening 5 on the air inlet pipe 3, is provided with short shutter 9 between described gas inlet 10 and the gas exit 8, and gas inlet 10 is provided with long baffle plate 11 successively and safeguards opening 12 away from short shutter 9 one sides.Described air openings 4 is connected with blower fan 14 by air hose, and described air hose one end connects blower fan 14, and the other end is connected by loop, labyrinth 1 air openings 4 back and on the air inlet pipe 3 that is arranged on kiln 13 tops.Be respectively equipped with control valve on described gas pipe and the air hose.
During work, produce coal gas by gas generator, coal gas is by Rose Box 7, and there is water Rose Box 7 bottoms, and coal gas is entered by Rose Box 7 gas inlets 10, gas exit 8 flows out, wherein because the stopping of short shutter 9, coal gas impacts the water surface, filters out dust, coal tar wet goods harmful substance also is provided with the air openings 4 that is connected with air hose after enter air inlet pipe 3 by the gas pipe that connects gas exit 8 by coal gas opening 5 on the air inlet pipe 3.Air is blasted by blower fan 14, passes through the loop, labyrinth 1 at kiln 13 tops again, is heated by the waste heat that kiln 13 distributes, make full use of waste heat after, enter air inlet pipe 3 by air air openings 4.After mixing in the mixing chamber 15 that air after described coal gas and the heating is provided with on air inlet pipe 3, burning in two combustion chambers 6 of feeding kiln 13 bottoms, waste gas after burning enters smoke stack emission by the flue gas leadings in the kiln 13 and falls.The heat that produces during burning heats whole kiln 13, and the magnetic material blank just is placed in the sintering duct 2 of 6 tops, combustion chamber, by the heat radiation sintering of kiln generation.On described gas pipe and air hose, be provided with control valve, regulate the ratio of coal gas and air, just can control temperature accurately at 1330～1335 degrees centigrade, can reach the effect of constant temperature sintering, promote the quality of product, improve the yield rate of product, expanded the scope that can produce product, and the fluctuation of traditional coal stove temperature difference has reached 50 degrees centigrade, can't the constant temperature sintering.Because coal gas has filtered out coal tar wet goods harmful substance through Rose Box 7, also contain polluters such as sulfur dioxide in the waste gas that burning produces hardly, and traditional coal stove is seriously polluted.And, because the coal gas that uses gas generator to produce is fuel, having guaranteed making full use of of fuel, the use amount of coal has been saved more than 20%, and the labour saving 75%.When safeguarding, that opens that Rose Box 7 opened safeguards opening 12, injects water and does not flood short shutter 9 to flooding long baffle plate 11, does not influence coal gas and enters Rose Box by gas inlet 10, flow out by gas exit 8, coal gas is as usual carried, and does not influence production, but since long baffle plate 11 do not had by water logging, play the water-stop effect, coal gas can not leak from safeguarding opening 12, preferably discharges the sewage in the Rose Box 7, injects water purification and gets final product.
Claims (4)
1. the sintering system of a magnetic material, comprise kiln (13), be provided with sintering duct (2) in the described kiln (13), below, described sintering duct (2) is provided with combustion chamber (6), described combustion chamber (6) is provided with flue gas leading and is connected with chimney, it is characterized in that, described combustion chamber (6) is connected with air inlet pipe (3), described air inlet pipe (3) is provided with coal gas opening (5) and air openings (4), described coal gas opening (5) is connected with the gas supply device by gas pipe, described air openings (4) is connected with air supply device by air hose, be respectively equipped with control valve on described gas pipe and the air hose, described kiln (13) top is provided with loop, labyrinth (1), the air supply device that described air hose one end connects is blower fan (14), other end air openings (4) back by loop, described labyrinth (1) and on the air inlet pipe (3) is connected, be connected with Rose Box (7) on the described gas pipe, described Rose Box (7) comprises casing, the casing upper end is provided with gas inlet (10) that links to each other with the gas supply device by gas pipe and the gas exit (8) that links to each other with the last coal gas opening (5) of air inlet pipe (3), be provided with short shutter (9) between described gas inlet (10) and the gas exit (8), gas inlet (10) is provided with long baffle plate (11) successively and safeguards opening (12) away from short shutter (9) one sides.
2. the sintering system of a kind of magnetic material according to claim 1 is characterized in that, described gas supply device is a gas generator.
3. the sintering system of a kind of magnetic material according to claim 1 is characterized in that, described air inlet pipe (3) is provided with mixing chamber (15).
4. the sintering system of a kind of magnetic material according to claim 1 is characterized in that, described combustion chamber (6) are symmetrical two, are respectively equipped with an air inlet pipe (3) on described two combustion chambers (6), and described air inlet pipe (3) is located at the outside, combustion chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101001903A CN101592437B (en) | 2009-07-02 | 2009-07-02 | System for sintering magnetic materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101001903A CN101592437B (en) | 2009-07-02 | 2009-07-02 | System for sintering magnetic materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101592437A CN101592437A (en) | 2009-12-02 |
| CN101592437B true CN101592437B (en) | 2011-11-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101001903A Active CN101592437B (en) | 2009-07-02 | 2009-07-02 | System for sintering magnetic materials |
Country Status (1)
| Country | Link |
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| CN (1) | CN101592437B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB125515A (en) * | 1918-04-23 | 1919-04-23 | Alfred Smallwood | Improvements in or relating to Furnaces. |
| GB143974A (en) * | 1919-03-06 | 1920-06-07 | George Hillard Benjamin | Improvements in tunnel kilns |
| GB202194A (en) * | 1922-09-26 | 1923-08-16 | William Henry Fitch | Improvements in or relating to continuous heating furnaces |
| WO1991013039A1 (en) * | 1990-02-27 | 1991-09-05 | Inax Corporation | Method of firing ceramic building materials |
| CN2365625Y (en) * | 1998-11-27 | 2000-02-23 | 成洛生 | Improved tunnel kiln |
| CN2560641Y (en) * | 2002-07-15 | 2003-07-16 | 张瑞福 | Civil crushed coal burning and gasifying range |
| CN2833475Y (en) * | 2005-11-03 | 2006-11-01 | 上海保捷汽车零部件锻压有限公司 | Gas heating furnace with automatic combustion controller and push rod |
| CN2861918Y (en) * | 2005-11-29 | 2007-01-24 | 冯金清 | Three-layer-six-opening tunnel kiln for ferrite sinter |
| CN201463510U (en) * | 2009-07-02 | 2010-05-12 | 马武明 | Sintering system of magnetic material |
-
2009
- 2009-07-02 CN CN2009101001903A patent/CN101592437B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB125515A (en) * | 1918-04-23 | 1919-04-23 | Alfred Smallwood | Improvements in or relating to Furnaces. |
| GB143974A (en) * | 1919-03-06 | 1920-06-07 | George Hillard Benjamin | Improvements in tunnel kilns |
| GB202194A (en) * | 1922-09-26 | 1923-08-16 | William Henry Fitch | Improvements in or relating to continuous heating furnaces |
| WO1991013039A1 (en) * | 1990-02-27 | 1991-09-05 | Inax Corporation | Method of firing ceramic building materials |
| CN2365625Y (en) * | 1998-11-27 | 2000-02-23 | 成洛生 | Improved tunnel kiln |
| CN2560641Y (en) * | 2002-07-15 | 2003-07-16 | 张瑞福 | Civil crushed coal burning and gasifying range |
| CN2833475Y (en) * | 2005-11-03 | 2006-11-01 | 上海保捷汽车零部件锻压有限公司 | Gas heating furnace with automatic combustion controller and push rod |
| CN2861918Y (en) * | 2005-11-29 | 2007-01-24 | 冯金清 | Three-layer-six-opening tunnel kiln for ferrite sinter |
| CN201463510U (en) * | 2009-07-02 | 2010-05-12 | 马武明 | Sintering system of magnetic material |
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| Publication number | Publication date |
|---|---|
| CN101592437A (en) | 2009-12-02 |
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: ANJI COUNTY KESHENG MAGNETIC EQUIPMENT Co.,Ltd. Assignor: Ma Wuming Contract record no.: 2011330001189 Denomination of invention: System for sintering magnetic materials License type: Exclusive License Open date: 20091202 Record date: 20110928 |
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Denomination of invention: System for sintering magnetic materials Effective date of registration: 20120912 Granted publication date: 20111130 Pledgee: Anji County Rural Credit Cooperative Association Pledgor: Ma Wuming Registration number: 2012990000524 |
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Denomination of invention: System for sintering magnetic materials Effective date of registration: 20160818 Granted publication date: 20111130 Pledgee: Zhejiang Anji Rural Commercial Bank of the West Branch of Limited by Share Ltd. Pledgor: Ma Wuming Registration number: 2016980000126 |
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Effective date of registration: 20181206 Address after: 313300 Beishan Industrial Park, Xiaoyuan Street, Anji County, Huzhou City, Zhejiang Province Patentee after: ANJI COUNTY KESHENG MAGNETIC EQUIPMENT Co.,Ltd. Address before: 313301 Geshan Industrial Park, Anji County, Zhejiang Province, Kesheng Magnetic Equipment Co., Ltd. Patentee before: Ma Wuming |
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Assignee: ANJI COUNTY KESHENG MAGNETIC EQUIPMENT Co.,Ltd. Assignor: Ma Wuming Contract record no.: 2011330001189 Date of cancellation: 20200722 |
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Denomination of invention: System for sintering magnetic materials Effective date of registration: 20200722 Granted publication date: 20111130 Pledgee: Zhejiang Anji Rural Commercial Bank of the West Branch of Limited by Share Ltd. Pledgor: ANJI COUNTY KESHENG MAGNETIC EQUIPMENT Co.,Ltd. Registration number: Y2020330000535 |
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