CN106322986B - A kind of novel NTC thermistor sintering furnace - Google Patents
A kind of novel NTC thermistor sintering furnace Download PDFInfo
- Publication number
- CN106322986B CN106322986B CN201610945765.1A CN201610945765A CN106322986B CN 106322986 B CN106322986 B CN 106322986B CN 201610945765 A CN201610945765 A CN 201610945765A CN 106322986 B CN106322986 B CN 106322986B
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- China
- Prior art keywords
- kiln
- zone
- sintering
- ntc thermistor
- sintering furnace
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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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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
- F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
- F27B9/24—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor
- F27B9/243—Endless-strand conveyor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
- F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
- F27B9/26—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace on or in trucks, sleds, or containers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
- F27D2017/006—Systems for reclaiming waste heat using a boiler
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Tunnel Furnaces (AREA)
Abstract
The present invention relates to thermistor production technical fields, specifically, it is a kind of novel NTC thermistor sintering furnace, integral into closed " mouth " word structure, it is the first preheating zone according to function division, dumping area, first cooling zone, second preheating zone, sintering zone and the second cooling zone, it is passed through below each region for transmitting the conveyer belt of thermistor chip, first preheating zone is connected with the top of the second cooling zone by thermal energy collecting distributor, second preheating zone is connected with the top of the first cooling zone by thermal energy collecting distributor, the tunnel kiln of sintering zone is designed using vaulted type, thermistor chip sintering production is carried out using the novel NTC thermistor sintering furnace of present disclosure, it can reduce energy consumption, 600 ~ 800KWH of electric energy is saved daily, simultaneously, preheating time can also be shortened, improve production effect Rate improves workshop condition temperature moreover, reducing thermal energy discharge.
Description
Technical field
The present invention relates to thermistor production technical fields, specifically, being a kind of novel NTC thermistor sintering furnace.
Background technique
NTC thermistor is also known as negative tempperature coefficient thermistor, is a kind of temperature-sensitive that resistance value reduces with temperature increase
Resistance.Using its characteristic, various series of products can be made, be respectively provided with Surge suppression, temperature-compensating, precise temperature measurement, temperature
The application such as control, flow detection, is a kind of electronic component that purposes is very extensive.
In NTC thermistor production process, NTC thermistor chip need into cross high temperature fire, this just need using
Sintering furnace, sintering furnace be it is a kind of at high temperature, make the mutual bonded of ceramic green solid particle, crystal grain is grown up, gap (stomata)
It is gradually reduced with crystal boundary, by the transmitting of substance, total volume is shunk, and density increases, and finally becoming has certain microstructure
Dense multicrystalline sintered body stove.
NTC thermistor chip be sintered process be charging → preheating → bat glue → cooling → preheating → sintering → cooling → out
Material, after the completion of sintering, product furnace cooling at a high temperature of 1300 DEG C or so, a large amount of thermal energy is dispersed into air, causes
Environment temperature increases, and wastes mass energy, meanwhile, also need to install additional more high-power exhaust fans to improve workshop condition,
Cause multiple energy waste.Traditional sintering furnace uses flat tunnel kiln, and energy consumption is big, daily (24 hours) consumption electricity
3600kwh, and production efficiency is low, the thermal energy being discharged in cooling procedure increases workshop condition temperature.
Summary of the invention
In order to solve the above-mentioned technical problem, the present invention discloses novel NTC thermistor sintering furnace, specific technical solution is
Novel NTC thermistor sintering furnace integral into closed " mouth " word structure, be the first preheating zone, dumping according to function division
Area, the first cooling zone, the second preheating zone, sintering zone and the second cooling zone, for transmitting the conveyer belt of thermistor chip from each
It is passed through below a region, the first preheating zone is connected with the top of the second cooling zone by thermal energy collecting distributor, the second preheating zone
It is connected with the top of the first cooling zone by thermal energy collecting distributor, the tunnel kiln of sintering zone is designed using vaulted type.
In the technical scheme, the first preheating zone is connected with the top of the second cooling zone by thermal energy collecting distributor, the
Two preheating zones are connected with the top of the first cooling zone by thermal energy collecting distributor, and the effect of thermal energy collecting distributor will be located at the
The thermal energy collecting that the thermistor chip of one cooling zone and the second cooling zone comes out gets up to be transmitted to the first preheating zone and the
Originally the thermal energy collecting distributed thus can be got up be recycled by the thermistor chip of two preheating zones, so that the
One preheating zone and the second preheating zone greatly reduce energy consumption, simultaneously as reducing the discharge of thermal energy, so that the temperature in workshop
Ascensional range is little, and reduce high-power exhaust fan uses the time, avoids multiple waste；The tunnel kiln of sintering zone uses
Vaulted type design, the second preheating zone that can make sintering zone two sides in this way and the extra thermal energy in the second cooling zone are on kiln
It rises section and kiln descending branch is sent to kiln interlude, increase the thermal energy of kiln interlude, reduce required for sintering stage
Energy consumption.
Further improvement of the present invention, the tunnel kiln of sintering zone include bracket, pedestal and kiln sintering zone, kiln sintering
Area is specifically divided into kiln ascent stage, kiln interlude and kiln descending branch using vaulted type design.
Further improvement of the present invention, the kiln ascent stage is symmetrical about kiln interlude with kiln descending branch, and kiln rises
Section and the engaging portion of kiln interlude use curved design, and the angle between curved surface tangent line and horizontal line is α 1, kiln descending branch
Curved design is used with the engaging portion of kiln interlude, the angle between curved surface tangent line and horizontal line is α 2, and 1 size of α is equal to α 2.
Further improvement of the present invention, the vertex position of kiln interlude is apart from kiln ascent stage and kiln descending branch bottom
Height h between 1m ~ 2m.
Further improvement of the present invention, the vertex position of kiln interlude is apart from kiln ascent stage and kiln descending branch bottom
Height h be 1.5m.
Further improvement of the present invention is placed on the conveyer belt for transmitting thermistor chip several successive
For holding the pallet of NTC thermistor chip.
Further improvement of the present invention, the front end protrusion of pallet, the rear concave end of pallet, the convex portion and figure disk of pallet
Depressed section overlapping.
Further improvement of the present invention, the two sides setting of pallet is fluted to be used to buckle on a moving belt.
Beneficial effects of the present invention: thermistor core is carried out using the novel NTC thermistor sintering furnace of present disclosure
Piece sintering production, can reduce energy consumption, save 600 ~ 800KWH of electric energy daily, simultaneously, additionally it is possible to shorten preheating time, improve life
Efficiency is produced, moreover, reducing thermal energy discharge, improves workshop condition temperature.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is sintering zone structural schematic diagram in the present invention.
Fig. 3 is tray structure diagram in the present invention.
In figure, 1- kiln interlude, the 2- kiln ascent stage, 3- kiln descending branch, 4- bracket, 5- pedestal.
Specific embodiment
In order to deepen the understanding of the present invention, the present invention is done below in conjunction with drawings and examples and is further retouched in detail
It states, the embodiment is only for explaining the present invention, does not constitute and limits to protection scope of the present invention.
Embodiment: as shown in Figure 1, a kind of novel NTC thermistor sintering furnace, integral into closed " mouth " word structure, root
It is the first preheating zone, dumping area, the first cooling zone, the second preheating zone, sintering zone and the second cooling zone according to function division, for passing
It send the conveyer belt of thermistor chip to pass through below each region, passes through thermal energy at the top of the first preheating zone and the second cooling zone
It collects distributor to be connected, the second preheating zone is connected with the top of the first cooling zone by thermal energy collecting distributor, the tunnel of sintering zone
Road kiln is designed using vaulted type, and the first preheating zone is connected with the top of the second cooling zone by thermal energy collecting distributor, and second
Preheating zone is connected with the top of the first cooling zone by thermal energy collecting distributor, and the effect of thermal energy collecting distributor will be located at first
The thermal energy collecting that the thermistor chip of cooling zone and the second cooling zone comes out gets up to be transmitted to the first preheating zone and second
Originally the thermal energy collecting distributed thus can be got up be recycled, so that first by the thermistor chip of preheating zone
Preheating zone and the second preheating zone greatly reduce energy consumption, simultaneously as reducing the discharge of thermal energy, so that in the temperature in workshop
Increasing degree degree is little, and reduce high-power exhaust fan uses the time, avoids multiple waste；The tunnel kiln of sintering zone is using arch
Formula design in top can make the second preheating zone of sintering zone two sides and the extra thermal energy in the second cooling zone rise along kiln in this way
Section 2 and kiln descending branch 3 are sent to kiln interlude 1, increase the thermal energy of kiln interlude 1, reduce needed for sintering stage
The energy consumption wanted.
As shown in Fig. 2, the tunnel kiln of sintering zone includes bracket 4, pedestal 5 and kiln sintering zone, kiln in the present embodiment
Sintering zone is specifically divided into kiln ascent stage 2, kiln interlude 1 and kiln descending branch 3, kiln ascent stage 2 using vaulted type design
Symmetrical about kiln interlude 1 with kiln descending branch 3, kiln ascent stage 2 and the engaging portion of kiln interlude 1 are set using curved surface
Meter, the angle between curved surface tangent line and horizontal line is α 1, and kiln descending branch 3 and the engaging portion of kiln interlude 1 are set using curved surface
Meter, the angle between curved surface tangent line and horizontal line are α 2, and 1 size of α is equal to α 2, and the vertex position of kiln interlude 1 is apart from kiln
The height h of 3 bottom of ascent stage 2 and kiln descending branch is preferably 1.5m between 1m ~ 2m.
As shown in figure 3, in the present embodiment, several front and back ranks are placed on the conveyer belt for transmitting thermistor chip
What is connect is used to hold the pallet 6 of NTC thermistor chip, the front end protrusion of pallet 6, the rear concave end of pallet 6, pallet 6 it is convex
It is Chong Die with the depressed section of figure disk to play part, the setting of the two sides of pallet 6 is fluted for buckling on a moving belt.
Basic principles and main features and advantage of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (7)
1. a kind of novel NTC thermistor sintering furnace is the first preheating according to function division integral into closed " mouth " word structure
Area, dumping area, the first cooling zone, the second preheating zone, sintering zone and the second cooling zone, for transmitting the transmission of thermistor chip
Band passes through below each region, it is characterised in that: passes through thermal energy collecting at the top of the first preheating zone and second cooling zone
Distributor is connected, and second preheating zone is connected with the top of first cooling zone by thermal energy collecting distributor, the burning
The tunnel kiln in interface is designed using vaulted type, and the tunnel kiln of the sintering zone includes bracket, pedestal and kiln sintering zone, institute
It states kiln sintering zone and kiln ascent stage, kiln interlude and kiln descending branch is specifically divided into using vaulted type design.
2. novel NTC thermistor sintering furnace according to claim 1, it is characterised in that: the kiln ascent stage and institute
State that kiln descending branch is symmetrical about the kiln interlude, the engaging portion of the kiln ascent stage and the kiln interlude uses
Curved design, the angle between curved surface tangent line and horizontal line are α 1, the combination of the kiln descending branch and the kiln interlude
Portion uses curved design, and the angle between curved surface tangent line and horizontal line is α 2, and 1 size of α is equal to α 2.
3. novel NTC thermistor sintering furnace according to claim 2, it is characterised in that: the top of the kiln interlude
The height h of kiln ascent stage described in point positional distance and kiln descending branch bottom is between 1m ~ 2m.
4. novel NTC thermistor sintering furnace according to claim 3, it is characterised in that: the top of the kiln interlude
The height h of kiln ascent stage described in point positional distance and kiln descending branch bottom is 1.5m.
5. novel NTC thermistor sintering furnace according to claim 1-4, it is characterised in that: for transmitting heat
Several successive pallets for being used to hold NTC thermistor chip are placed on the conveyer belt of quick resistance chip.
6. novel NTC thermistor sintering furnace according to claim 5, it is characterised in that: the front end protrusion of the pallet,
The rear concave end of the pallet, the convex portion of the pallet are Chong Die with the depressed section of the pallet.
7. novel NTC thermistor sintering furnace according to claim 6, it is characterised in that: the two sides of the pallet are arranged
It is fluted to be used to buckle on a moving belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610945765.1A CN106322986B (en) | 2016-10-26 | 2016-10-26 | A kind of novel NTC thermistor sintering furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610945765.1A CN106322986B (en) | 2016-10-26 | 2016-10-26 | A kind of novel NTC thermistor sintering furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106322986A CN106322986A (en) | 2017-01-11 |
| CN106322986B true CN106322986B (en) | 2019-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610945765.1A Active CN106322986B (en) | 2016-10-26 | 2016-10-26 | A kind of novel NTC thermistor sintering furnace |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD280164A1 (en) * | 1989-02-27 | 1990-06-27 | Maw Stahlgiesserei W Pieck Rot | DEVICE FOR DETECTING THE SMOKE GASES ON AN ELECTRIC ARC |
| CN201081539Y (en) * | 2007-08-02 | 2008-07-02 | 谢永球 | Butterfly type power saving oven |
| CN201787821U (en) * | 2010-08-09 | 2011-04-06 | 中钢天源(马鞍山)通力磁材有限公司 | Waste heat utilization device of industrial sintering furnace |
| CN202107728U (en) * | 2011-05-11 | 2012-01-11 | 浙江金环轴承有限公司 | Energy saving type annealing furnace |
| CN205027122U (en) * | 2015-09-25 | 2016-02-10 | 南京时恒电子科技有限公司 | Thermistor pottery porcelain core piece fritting furnace |
| CN105585321A (en) * | 2014-10-29 | 2016-05-18 | 自贡市江阳磁材有限责任公司 | Quick sintering method for permanent magnetic ferrite |
| CN106017073A (en) * | 2016-07-18 | 2016-10-12 | 江苏时瑞电子科技有限公司 | Industrial kiln |
-
2016
- 2016-10-26 CN CN201610945765.1A patent/CN106322986B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD280164A1 (en) * | 1989-02-27 | 1990-06-27 | Maw Stahlgiesserei W Pieck Rot | DEVICE FOR DETECTING THE SMOKE GASES ON AN ELECTRIC ARC |
| CN201081539Y (en) * | 2007-08-02 | 2008-07-02 | 谢永球 | Butterfly type power saving oven |
| CN201787821U (en) * | 2010-08-09 | 2011-04-06 | 中钢天源(马鞍山)通力磁材有限公司 | Waste heat utilization device of industrial sintering furnace |
| CN202107728U (en) * | 2011-05-11 | 2012-01-11 | 浙江金环轴承有限公司 | Energy saving type annealing furnace |
| CN105585321A (en) * | 2014-10-29 | 2016-05-18 | 自贡市江阳磁材有限责任公司 | Quick sintering method for permanent magnetic ferrite |
| CN205027122U (en) * | 2015-09-25 | 2016-02-10 | 南京时恒电子科技有限公司 | Thermistor pottery porcelain core piece fritting furnace |
| CN106017073A (en) * | 2016-07-18 | 2016-10-12 | 江苏时瑞电子科技有限公司 | Industrial kiln |
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| Publication number | Publication date |
|---|---|
| CN106322986A (en) | 2017-01-11 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190109 Address after: 214028 Xinxi Road 207, Xinwu District, Wuxi City, Jiangsu Province Applicant after: Wuxi Kaiyuan Electronics Co., Ltd. Address before: 212300 Jiangsu science and Technology Park, eight development road, Danyang, Zhenjiang, China Applicant before: DANYANG ZHENGLIAN INTELLECTUAL PROPERTY OPERATIONS MANAGEMENT CO., LTD. |
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