CN110404889A - Induction heating type aluminum oxide fluidized bed - Google Patents
Induction heating type aluminum oxide fluidized bed Download PDFInfo
- Publication number
- CN110404889A CN110404889A CN201910817154.2A CN201910817154A CN110404889A CN 110404889 A CN110404889 A CN 110404889A CN 201910817154 A CN201910817154 A CN 201910817154A CN 110404889 A CN110404889 A CN 110404889A
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- CN
- China
- Prior art keywords
- induction heating
- fluidized bed
- aluminum oxide
- web plate
- type aluminum
- Prior art date
- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0064—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes
- B08B7/0071—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes by heating
- B08B7/0078—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes by heating in a fluidized bed
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- General Induction Heating (AREA)
- Furnace Details (AREA)
Abstract
The invention discloses induction heating type aluminum oxide fluidized beds, belong to fluidization field, induction heating type aluminum oxide fluidized bed, including the furnace body formed between outer web plate and outer web plate, the side of outer web plate is equipped with load coil, liner is installed on the inside of load coil, polymer thermal insulative cotton is fixedly installed between load coil and liner, the two sides of outer web plate are respectively arranged with shutter thermovent, outer web plate sets respectively on the inner wall of upper end side and close lower end side and is equipped with exhaust fan, the bottom of liner is provided with shelf, one end of shelf is provided with blast cap.It is long that the present invention has solved the heating-up time, and oxidizable, damage need to be replaced often, and production efficiency is influenced, and site environment temperature is high, repairs troublesome problem.
Description
Technical field
The present invention relates to a kind of fluidized beds to belong to fluidized bed more particularly to induction heating type aluminum oxide fluidized bed
Technical field.
Background technique
Induction heating type fluidized bed is a kind of device that thermal energy is converted electrical energy into using conversion electromagnetic induction principle.Intelligence
Induction heating power is by 380V, and the AC rectification of 50/60Hz becomes direct current, then it is 8- that direct current, which is converted into frequency,
The high-frequency high-voltage of 25KHz, the high-frequency high-voltage current of high speed variation, which flows through load coil, can generate the alternation of high speed variation
Magnetic field can generate countless small vortex when the magnetic line of force in magnetic field passes through magnetic conductive metal material in metallic object, make metal
Material itself voluntarily generate heat by high speed, to reach component, filter core, the spinneret etc. in heating cleaning metal material barrel.
Induction heating type fluidized bed is by intelligent-induction heating system, load coil, compressed air system, temperature control system
Deng composition.
Current some fluidized beds have the following problems disadvantage:
(1) heating-up time is long: the surface power load of resistance-type heating is limited, and what can not be done is too big, and the heating-up time can not
Shorten.
(2) oxidizable, damage, need to often replace, influence production efficiency: due to being heated using resistance-type, resistance wire is easy
It is blown because of high-temperature oxydation, commonly uses resistance-type heating service life about in or so half a year, therefore, the workload of maintenance is relatively
Greatly.
(3) site environment temperature is high: at work due to resistance-type heating, a part of heat scatters and disappears from surface, and causes
Site environment temperature is excessively high.
(4) maintenance trouble: when replacement resistance type heater, external insulation cotton need to all be removed, furnace body is hung out, just may be used
Heater to be removed；Heavy workload influences the service life of equipment.
Therefore a kind of induction heating type fluidized bed is needed to solve the above problems.
Summary of the invention
The main object of the present invention is to provide for induction heating type aluminum oxide fluidized bed, by properly increasing heating
Power directly results in scavenging period shortening, reaches energy-efficient effect so as to shorten the heating-up time；Use load coil generation
For the heating of former resistance-type；Conducting wire used by load coil can be 500 degree of heatproof, and no replacement is required；Normal service life is reachable
30000 hours or more；Magnetic field is generated to load coil using intelligent-induction heating power supply, so that furnace body itself high speed be made to send out
Heat, centre cladding polymer thermal insulative cotton, thermal coefficient λ≤0.039W/Mk；Above-mentioned several points rectification, can effectively solve thermal losses
Greatly, resistance-type heating service life is short, and maintenance capacity is big to wait existing problem, and the energy-saving effect of equipment can be effectively ensured.
The purpose of the present invention can reach by using following technical solution:
Induction heating type aluminum oxide fluidized bed, including the furnace body formed between outer web plate and the outer web plate, institute
The side for stating outer web plate is equipped with load coil, and liner is equipped on the inside of the load coil, and the induction adds
Polymer thermal insulative cotton is fixedly installed between heat coil and the liner, the two sides of the outer web plate are respectively arranged with shutter and dissipate
Hot mouth, the outer web plate set respectively on the inner wall of upper end side and close lower end side and are equipped with exhaust fan, the liner
Bottom be provided with shelf, one end of the shelf is provided with blast cap, and the side of the outer web plate is provided with air inlet mouth of pipe, liner
Top be provided with furnace body mouth, bell is installed above the furnace body mouth, sealing ring, the bell are installed on the bell
Upper end hanging ring is installed, fastening assembly is separately installed at the both ends of the bell, the side of the furnace body mouth is provided with row
Port.
Preferably, hanging basket is installed, the side of the hanging ring is fixedly installed with power control cabinet on the inside of the hanging ring.
Preferably, the inside of the furnace body is equipped with flowmeter, and the flowmeter is connected to the liner by pipeline and leans on
At the position of nearly bottom.
Preferably, the load coil is by high-frequency induction conducting wire coiling, and the hanging basket is that round steel is combined with band steel
Part, round steel are stainless steel Φ 20, Φ 14, and bottom frame uses 5# band iron, and thickness 8mm is welded, material SUS430, and the bell is
Stainless steel sub-assembly, the side wall of the furnace body are by material heat resisting steel SUS430, thickness 8mm.
Preferably, the polymer thermal insulative cotton uses polymer thermal insulative cotton.
Preferably, the power control cabinet includes intelligent-induction heating power supply, and the intelligent-induction heating power supply is full-bridge 25KW
(power adjustable, the load coil load coil and the intelligent-induction heating power supply form high-frequency induction heating
Mechanism, the load coil load coil are coated on the outside of the polymer thermal insulative cotton polymer thermal insulative cotton.
Preferably, the sealing ring uses flexible graphite stuffing for fire door sealing ring.
Preferably, the power control cabinet is rest directly upon platform lower side.
Advantageous effects of the invention:
Induction heating type aluminum oxide fluidized bed provided by the invention, by properly increasing heating power, so as to shorten
Heating-up time directly results in scavenging period shortening, reaches energy-efficient effect；Former resistance-type is replaced to add using load coil
Heat；Conducting wire used by load coil can be 500 degree of heatproof, and no replacement is required；Normal service life up to 30000 hours with
On；Magnetic field is generated to load coil using intelligent-induction heating power supply, so that furnace body itself high speed is made to generate heat, centre cladding
Polymer thermal insulative cotton, thermal coefficient λ≤0.039W/Mk；The rectification of above-mentioned several points, can effectively solve that thermal losses is big, and resistance-type adds
Hot service life is short, the big equal existing problem of maintenance capacity, and the energy-saving effect of equipment can be effectively ensured.
Detailed description of the invention
Fig. 1 is the main sectional view of a preferred embodiment of induction heating type aluminum oxide fluidized bed according to the invention；
Fig. 2 be induction heating type aluminum oxide fluidized bed according to the invention a preferred embodiment hanging ring with it is automatically controlled
The structural schematic diagram of cabinet；
Fig. 3 is the structure of the hanging basket of a preferred embodiment of induction heating type aluminum oxide fluidized bed according to the invention
Schematic diagram.
In figure: the outer web plate of 1-, 2- furnace body, 3- load coil, 4- liner, 5- polymer thermal insulative cotton, 6- shutter dissipate
Hot mouth, 7- exhaust fan, 8- shelf, 9- blast cap, 10- air inlet mouth of pipe, 11- furnace body mouth, 12- bell, 13- sealing ring, 14- hanging ring,
15- fastening assembly, 16- steam drain, 17- hanging basket, 18- power control cabinet, 19- flowmeter.
Specific embodiment
To make the more clear and clear technical solution of the present invention of those skilled in the art, below with reference to examples and drawings
The present invention is described in further detail, and embodiments of the present invention are not limited thereto.
In the present embodiment, as shown in Figure 1-Figure 3, induction heating type aluminum oxide fluidized bed, including outer web plate 1 and
The furnace body 2 formed between outer web plate 1, the side of outer web plate 1 are equipped with load coil 3, the inside peace of load coil 3
Equipped with liner 4, polymer thermal insulative cotton 5 is fixedly installed between load coil 3 and liner 4, the two sides of outer web plate 1 are set respectively
It is equipped with shutter thermovent 6, outer web plate 1 sets respectively on the inner wall of upper end side and close lower end side and is equipped with exhaust fan
7, the bottom of liner 4 is provided with shelf 8, and one end of shelf 8 is provided with blast cap 9, and the side of outer web plate 1 is provided with air inlet mouth of pipe
10, the top of liner 4 is provided with furnace body mouth 11, and the top of furnace body mouth 11 is equipped with bell 12, is equipped with sealing ring on bell 12
13, the upper end of bell 12 is equipped with hanging ring 14, and fastening assembly 15, the side of furnace body mouth 11 are separately installed at the both ends of bell 12
It is provided with exhaust outlet 16.
Former temperature program needs 2 hours to be warming up to 500 degree；Now only need to be warming up to for 1 hour or so 500 degree (in zero load heating
In the case of), reach within 10 hours using effect by original and calculates；Now only need or so 8 hours.(without self-heating cooling time in furnace, tool
Depending on body scavenging period is by the characteristic of material), the every furnace of power saving rate about 15% or more compared with resistance-type heated fluidized bed.(In
In the case where same flushing dose, practical electricity is pressed subject to live use.
In the present embodiment: the outer 10# square tube of frame material of the present invention, 10# channel steel, material Q235, surface anticorrosion painting area
After reason, finishing coat two；Outer 1 material of web plate be thickness 1.0mm cold plate, material SUS201, surface wire drawing process and rush shutter dissipate
Hot mouth 6；The flange thickness 30mm of bell 12, width 50mm, bell inside use thickness 6mm stainless steel (material SUS430), furnace
Lid is external to use thickness 5mm carbon steel (material Q235), and interior band 14# channel steel is welded；Furnace body 2 and 12 thermal insulation material of bell are furnace
Body side surface and bell are kept the temperature using polymer thermal insulative cotton, and bottom of furnace body uses high-quality aluminium silicate wool, and bell is integrally using heat preservation knot
Structure, indeformable, the favorable sealing property in 600 DEG C of high temperature.
Specifications and models of the invention:
1, work chamber size (Φ × H mm): Φ 520 × 1000
2, outer dimension (L × W × H mm): 1200 × 1200 × 1300
3, ground is to fire door height (mm) :≤1200
4, operating temperature: room temperature~520 DEG C (adjustable)
5, design temperature: 600 DEG C
6, general power: 25kw,
7, temperature uniformity: ± 3 DEG C
8, temperature-controlled precision: ± 2 DEG C
9, compressed air: >=0.4MPa
10, power supply: three-phase and four-line 380V/220V 50Hz
Intelligent-induction heating system daily maintenance in the present invention:
Mist of oil and dust: without dust and greasy dirt, no condensate inside confirmation machine.
Machine: confirmation machine whether there is or not abnormal heating, whether there is or not abnormal vibrations.
Fan: situations such as confirmation normal no-sundries of fan running block.
Input power: the voltage and frequency of confirmation input power supply are in allowed limits.
Coil: check that coil whether there is or not deformation, there are no-sundries around coil.
In the present embodiment: the inside of hanging ring 14 is equipped with hanging basket 17, and the side of hanging ring 14 is fixedly installed with power control cabinet 18,
Convenient for controlling fluidized bed.
In the present embodiment: the inside of furnace body 2 is equipped with flowmeter 19, and the flowmeter 19 is connected to liner by pipeline
4 at the position of bottom.
In the present embodiment: load coil 3 is led used by load coil by high-frequency induction conducting wire coiling
Line can be 500 degree of heatproof, and no replacement is required, and for normal service life up to 30000 hours or more, hanging basket 17 was that round steel is combined with band steel
Part, round steel are stainless steel Φ 20, Φ 14, and bottom frame uses 5# band iron, and thickness 8mm is welded, material SUS430, and bell 12 is not
Become rusty steel sub-assembly, and the side wall of furnace body 2 is by material heat resisting steel SUS430), thickness 8mm.
In the present embodiment: polymer thermal insulative cotton 5 uses polymer thermal insulative cotton, is 3 to the 5 of common heat-preservation cotton heat insulation effect
Times.
In the present embodiment: power control cabinet 18 includes intelligent-induction heating power supply, and intelligent-induction heating power supply is full-bridge 25KW
(power adjustable), comprehensive protection technique, overcurrent, over-voltage, under-voltage, phase shortage, short circuit, overheat, anti-dry, stability is high, normally
Up to 5 years, the above load coil load coil 3 and intelligent-induction heating power supply composition high-frequency induction added service life
Heat engine structure, load coil load coil 3 is coated on 5 outside of polymer thermal insulative cotton polymer thermal insulative cotton, directly to furnace
Body 2 itself high speed is generated heat, and magnetic field is generated to load coil 3 using intelligent-induction heating power supply, to make furnace body 2 from height
Speed fever, centre cladding polymer thermal insulative cotton 5, thermal coefficient λ≤0.039W/Mk.
In the present embodiment: sealing ring 13 uses flexible graphite stuffing for fire door sealing ring, and refractory seals are good.
In the present embodiment: power control cabinet 18 is rest directly upon platform lower side, convenient for operation.
As shown in Figure 1-Figure 3, the course of work of a kind of induction heating type aluminum oxide fluidized bed provided in this embodiment
It is as follows:
Cleaned part is put into Special hanging basket 17 first, fluidisation is hung to by electric block (user provides for oneself in figure and do not mark)
In pool furnace body 2, bell 12 is shut, according to the characteristic of chemical fibre polymer, sets temperature control curve, is opened and is added by power control cabinet 18
Thermal switch, equipment enter automatic operating state, which is analogous to fill sand (aluminum oxide)
Retorts bottle (fluidized bed) makes sand in the work of compressed air when 9 aperture of blast cap that compressed air is evenly arranged by bottom is blown into
It ceaselessly rolls in bottle (fluidized bed) under, to form the highly uniform bath bed of a temperature；Typical cleaning temperature is logical
Often at 430 DEG C to 520 DEG C, the workpiece cleaned will be needed to be placed on fixed basket, polymer will be complete during heated oxide
Complete removes, and the exhaust gas generated in furnace can be diluted away by water or vapor；Because the sand speed in fluidized bed is unusual
It is low, even herein, sand is the work for playing temperature conduction so the surface of some precision components there will not be damage
With for the temperature of balanced part, easily operated and less failure is the main feature of this equipment；Induction heating type fluidized bed
Volume it is more moderate, it may be convenient to be placed in workshop；The exhaust gas generated in cleaning process can add useless after exhaust
Full combustion is able in air purifying apparatus or burner.
The above, further embodiment only of the present invention, but scope of protection of the present invention is not limited thereto, and it is any
Within the scope of the present disclosure, according to the technique and scheme of the present invention and its design adds those familiar with the art
With equivalent substitution or change, protection scope of the present invention is belonged to.
Claims (8)
1. induction heating type aluminum oxide fluidized bed, it is characterised in that: including outer web plate (1) and the outer web plate (1) it
Between the furnace body (2) that forms；
The side of the outer web plate (1) is equipped with load coil (3), is equipped on the inside of the load coil (3)
Liner (4) is fixedly installed with polymer thermal insulative cotton (5) between the load coil (3) and the liner (4), described outer
The two sides of web plate (1) are respectively arranged with shutter thermovent (6), and the outer web plate (1) is close to upper end side and close to lower end one
It sets and is equipped with exhaust fan (7) respectively on the inner wall of side, the bottom of the liner (4) is provided with shelf (8), the shelf (8)
One end is provided with blast cap (9), and the side of the outer web plate (1) is provided with air inlet mouth of pipe (10), and liner is provided with furnace at the top of (4)
Body mouth (11) is equipped with bell (12) above the furnace body mouth (11), is equipped with sealing ring (13), institute on the bell (12)
The upper end for stating bell (12) is equipped with hanging ring (14), is separately installed with fastening assembly (15), institute at the both ends of the bell (12)
The side for stating furnace body mouth (11) is provided with exhaust outlet (16).
2. induction heating type aluminum oxide fluidized bed according to claim 1, it is characterised in that: the hanging ring (14)
Inside is equipped with hanging basket (17), and the side of the hanging ring (14) is fixedly installed with power control cabinet (18).
3. induction heating type aluminum oxide fluidized bed according to claim 1, it is characterised in that: the furnace body (2)
Inside is equipped with flowmeter (19), and the flowmeter (19) is connected to the liner (4) at the position of bottom by pipeline.
4. induction heating type aluminum oxide fluidized bed according to claim 1, it is characterised in that: the induction heating line
Circle (3) is by high-frequency induction conducting wire coiling, and the hanging basket (17) is round steel and band steel sub-assembly, and round steel is stainless steel Φ 20, Φ
14, bottom frame uses 5# band iron, and thickness 8mm is welded, material SUS430, and the bell (12) is stainless steel sub-assembly, described
The side wall of furnace body (2) is by material heat resisting steel (SUS430), thickness 8mm.
5. induction heating type aluminum oxide fluidized bed according to claim 1, it is characterised in that: the polymer thermal insulative
Cotton (5) uses polymer thermal insulative cotton.
6. induction heating type aluminum oxide fluidized bed according to claim 1, it is characterised in that: the power control cabinet (18)
Including intelligent-induction heating power supply, the intelligent-induction heating power supply is full-bridge 25KW (power adjustable), the induction heating line
It encloses load coil (3) and the intelligent-induction heating power supply forms high-frequency induction heating mechanism, the load coil
Load coil (3) is coated on the outside of the polymer thermal insulative cotton polymer thermal insulative cotton (5).
7. induction heating type aluminum oxide fluidized bed according to claim 1, it is characterised in that: the sealing ring (13)
Use flexible graphite stuffing for fire door sealing ring.
8. induction heating type aluminum oxide fluidized bed according to claim 2, it is characterised in that: the power control cabinet (18)
It is rest directly upon platform lower side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910817154.2A CN110404889A (en) | 2019-08-30 | 2019-08-30 | Induction heating type aluminum oxide fluidized bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910817154.2A CN110404889A (en) | 2019-08-30 | 2019-08-30 | Induction heating type aluminum oxide fluidized bed |
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| Publication Number | Publication Date |
|---|---|
| CN110404889A true CN110404889A (en) | 2019-11-05 |
Family
ID=68369870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910817154.2A Pending CN110404889A (en) | 2019-08-30 | 2019-08-30 | Induction heating type aluminum oxide fluidized bed |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0196327A (en) * | 1987-10-08 | 1989-04-14 | Daido Steel Co Ltd | Fluidized bed furnace for metal heat-treatment |
| JPH0552524U (en) * | 1991-12-16 | 1993-07-13 | 中外炉工業株式会社 | Batch type fluidized bed furnace treatment material charging / extracting device |
| CN103423994A (en) * | 2013-09-11 | 2013-12-04 | 盐城市盛逸化纤机械有限公司 | High-frequency induction type vacuum cleaning furnace |
| CN205171023U (en) * | 2015-09-25 | 2016-04-20 | 张家港欣阳化纤有限公司 | Spinning subassembly washs and washs stove with fluidized bed |
| CN206278925U (en) * | 2016-11-30 | 2017-06-27 | 浙江精功新材料技术有限公司 | A kind of fluid bed electromagnetic induction heating system |
-
2019
- 2019-08-30 CN CN201910817154.2A patent/CN110404889A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0196327A (en) * | 1987-10-08 | 1989-04-14 | Daido Steel Co Ltd | Fluidized bed furnace for metal heat-treatment |
| JPH0552524U (en) * | 1991-12-16 | 1993-07-13 | 中外炉工業株式会社 | Batch type fluidized bed furnace treatment material charging / extracting device |
| CN103423994A (en) * | 2013-09-11 | 2013-12-04 | 盐城市盛逸化纤机械有限公司 | High-frequency induction type vacuum cleaning furnace |
| CN205171023U (en) * | 2015-09-25 | 2016-04-20 | 张家港欣阳化纤有限公司 | Spinning subassembly washs and washs stove with fluidized bed |
| CN206278925U (en) * | 2016-11-30 | 2017-06-27 | 浙江精功新材料技术有限公司 | A kind of fluid bed electromagnetic induction heating system |
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Application publication date: 20191105 |