CN106825560A - A kind of oxalic acid powder feed machine for powder metallurgy mesoxalic acid catalysis degreasing stove - Google Patents
A kind of oxalic acid powder feed machine for powder metallurgy mesoxalic acid catalysis degreasing stove Download PDFInfo
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- CN106825560A CN106825560A CN201710100606.6A CN201710100606A CN106825560A CN 106825560 A CN106825560 A CN 106825560A CN 201710100606 A CN201710100606 A CN 201710100606A CN 106825560 A CN106825560 A CN 106825560A
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- component
- oxalic acid
- storing
- charging tray
- raw material
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/1017—Multiple heating or additional steps
- B22F3/1021—Removal of binder or filler
- B22F3/1025—Removal of binder or filler not by heating only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/003—Apparatus, e.g. furnaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/005—Loading or unloading powder metal objects
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of oxalic acid powder feed machine for powder metallurgy mesoxalic acid catalysis degreasing stove, including storing component, turn material component and heating component, the storing component is used to store oxalic acid raw material, storing component includes the reducing mechanism for crushing raw material, described turn of material component is used to be transferred to the raw material being crushed in storing component in heating component, the oxalic acid raw material heating sublimation that the heating component will can be crushed, the storing component includes material storing box, it is arranged on the storing case lid at the top of the material storing box, installed in material storing box inside and as storing component reducing mechanism agitator and stirrer-driven motor for driving the agitator to operate, the material storing box is arranged on described turn of material component top, material storing box has discharging opening and the discharging opening can be flowed into turn material component the raw material inside material storing box.The oxalic acid powder feed machine that this kind is used for powder metallurgy mesoxalic acid catalysis degreasing stove has the advantages that control accuracy is high, easy to operate, safe, feed efficiency high.
Description
Technical field
It is particularly a kind of in powder metallurgy the present invention relates to the feeder apparatus of powder metallurgy mesoxalic acid catalysis degreasing stove
The oxalic acid powder feed machine of Catalyzed by Oxalic Acid debinding furnace.
Background technology
The technological principle of catalysis degreasing is using the polyformaldehyde of solid-state（POM）In uniform temperature（About 100 DEG C）Sour gas
Under atmosphere rapid cleavage into gaseous formaldehyde molecule characteristic, wherein acid exist as a kind of catalyst.Its cracking equation is such as
Under：
(C H2O) n (acid atmosphere) --- → nC H2O
Acid atmosphere now is served as by gaseous state oxalic acid.First have to a solid-state oxalic acid and be converted into gaseous state oxalic acid, then again gaseous state
Oxalic acid imports debinding furnace and participates in catalytic pyrolysis.The characteristics of traditional powder feeding machine is：This rotating impeller batcher, often ties
Structure and machining accuracy are not ideal enough.Especially lateral and radial clearance is larger, can usually produce material leakage, run material, it is impossible to stably
Instantaneous feeding coal is controlled, and feeding coal adjustable range is narrower.
Traditional solid state powder feeder in the course of the work, powder in the presence of blower fan, by gas outlet reach under
Individual equipment.This possibility that can be reduced material leakage and run material, when powder is enough, energy stability contorting feeding coal, but control
It is not micro（Such as 5-500g/h）, and powder easily accumulation accumulation around the corner, water suction crystallization etc..
The defect that prior art is primarily present is：
1st, traditional feeder feeding coal narrow range
The impeller of rotating impeller batcher is lateral and radial clearance is larger, can usually produce material leakage, run material, it is impossible to stably control
Instantaneously feeding coal, and powder can be accumulated in bottom half.Feed inlet and outlet design is lack of standardization, and sealing is difficult, and powder easily absorbs water
Crystallization；
2nd, the drawbacks of blowing feeder
The crystallization because powder easily absorbs water, easily forms block, is easily detained in the channel in conveying, can cause channel blockage,
Influence production.When powder is enough, feeding function stability contorting feeding coal of drying, but do not control micro（Such as 5-500g/
h）.If blower fan wind speed is too small, the powder of motionless bottom accumulation, and the crystal that water suction is crystallized are blown, be easily plugged in discharging opening；
3rd, the limitation of traditional feeder
When feeder completes to be shut down after feeding works, all also have in casing or pipeline and accumulate dusty material, these powder hold
Hygroscopic crystallization, sticks in casing or inner-walls of duct, goes down will result in blocking, influence production for a long time.
In view of this, it is an object of the invention to provide a kind of new technical scheme solving existing technical problem.
The content of the invention
In order to overcome the deficiencies in the prior art, the present invention to provide a kind of grass for powder metallurgy mesoxalic acid catalysis degreasing stove
Sour powder feed machine, solve prior art presence oxalic acid feeding machine sealing it is poor, raw material is easily crystallized, raw material is easily sticked
The technological deficiencies such as tube wall results in blockage, feed control accuracy difference.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of oxalic acid powder feed machine for powder metallurgy mesoxalic acid catalysis degreasing stove, including storing component, turn material component and
Heating component, the storing component is used to store oxalic acid raw material, and storing component includes the reducing mechanism for crushing raw material, described
Turning material component is used to be transferred to the raw material being crushed in storing component in heating component, the grass that the heating component will can be crushed
Acid starting material heating sublimation.
Used as the further improvement of above-mentioned technical proposal, the storing component includes material storing box, is arranged on the material storing box
The storing case lid at top, installed in the material storing box inside and as storing component reducing mechanism agitator and for driving
The stirrer-driven motor of the dynamic agitator operating, the material storing box is arranged on described turn of material component top, and material storing box has
Discharging opening and the discharging opening can be flowed into the raw material inside material storing box in turning material component.
Used as the further improvement of above-mentioned technical proposal, the agitator includes that gear train and stirrer-driven motor are defeated
The agitating shaft for going out end connection, the stirring rod that is arranged on the agitating shaft and extended out stirring vane by gear train both sides.
Used as the further improvement of above-mentioned technical proposal, the gear train includes the first angular wheel of fit engagement, the
Two angular wheels, triconic gear and the 4th angular wheel, wherein the first angular wheel is directly or indirectly fixed on material storing box
On, the triconic gear is connected with agitating shaft and drives rotation, second angular wheel and the 4th taper by agitating shaft
Gear is arranged between the first angular wheel and triconic gear, and above-mentioned stirring vane is respectively from the second angular wheel and
Four angular wheels extend to both sides.
Used as the further improvement of above-mentioned technical proposal, the gear train outer wrap has gear sealing box.
Used as the further improvement of above-mentioned technical proposal, the transfer assembly includes turning charging tray, be wrapped in and described turn charging tray
Outside turning charging tray seal box, being sent to dnockout rod and described turn of the driving heated in component for will turn the raw material in charging tray
Rotation of disc turns charging tray motor.
Used as the further improvement of above-mentioned technical proposal, the charging tray that turns has feeding mouth and discharging opening, turns entering for charging tray
Material mouth can turn the feedstock transportation that the discharging opening of charging tray will can turn inside charging tray by the raw material supply in storing component in turning charging tray
To in heating component.
As the further improvement of above-mentioned technical proposal, also including optical flame detector and signal panels, the optical flame detector and signal panels
For receiving signal and controlling to turn the velocity of rotation of charging tray motor.
Used as the further improvement of above-mentioned technical proposal, the heating component includes heater box, is wrapped in the heater box
The impeller that the heating mantle of outside, the impeller-agitator being arranged on inside the heater box and the driving impeller-agitator are rotated
Stirrer-driven motor.
Used as the further improvement of above-mentioned technical proposal, the heater box has feeding mouth, air inlet and gas outlet, described
During feedstock transportation in transfer assembly can be entered heater box by feeding mouth, the air inlet is nitrogen inlet, and the gas outlet is used
The gas output produced after by the raw material distillation of heater box inside.
The beneficial effects of the invention are as follows：The invention provides a kind of oxalic acid for powder metallurgy mesoxalic acid catalysis degreasing stove
Powder feed machine, this kind of oxalic acid powder feed machine has the following advantages that：
1. in technical solution of the present invention, turning charging tray can be transferred in heater box oxalic acid quantitative timing from material storing box, make storage
Hopper and heater box do not interfere with each other；
2. the agitator and impeller-agitator for being increased newly in technical solution of the present invention, can be layered thoroughly smash oxalic acid crystallization, make its suitable
Profit feeding and stirring atmosphere, are heated evenly oxalic acid, easily distillation；
3. feeder filler is convenient in technical solution of the present invention, and dustless operation is not dangerous, facilitates operating personnel's filler；
4. technical solution of the present invention can be fully sealed operation, the danger without gas leakage, and construction is firm, and shockproof, noise is low, can take turns
Flow for many complete equipments, without warming-up, standby etc., maintenance cost is low.
This kind that the present invention is provided is used for the oxalic acid powder feed machine of powder metallurgy mesoxalic acid catalysis degreasing stove, solves existing
With the presence of technology oxalic acid feeding machine sealing it is poor, raw material is easily crystallized, raw material easily stick result in blockage in tube wall, feed control
The technological deficiencies such as low precision.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is structural representation of the invention；
Fig. 2 is the top view of agitator in the present invention；
Fig. 3 is agitator structure schematic diagram in the present invention；
Fig. 4 is the structural representation of transfer charging tray of the present invention.
Specific embodiment
The technique effect of design of the invention, concrete structure and generation is carried out clearly below with reference to embodiment and accompanying drawing
Chu, it is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair
Bright a part of embodiment, rather than whole embodiments, based on embodiments of the invention, those skilled in the art is not paying
The other embodiment obtained on the premise of creative work, belongs to the scope of protection of the invention.In addition, being related in patent
All connection/annexations, not singly refer to that component directly connects, and refer to can according to specific implementation situation, by addition or
Couple auxiliary is reduced to constitute more excellent draw bail.Each technical characteristic in the invention, in not conflicting conflict
On the premise of can be with combination of interactions, reference picture 1-4.
A kind of oxalic acid powder feed machine for powder metallurgy mesoxalic acid catalysis degreasing stove, including storing component 1, turn material group
Part 2 and heating component 3, the storing component 1 are used to store oxalic acid raw material, and storing component 1 includes the crushing for crushing raw material
Device, described turn of material component 2 is used to be transferred to the raw material being crushed in storing component 1 in heating component 3, the heating component
The 3 oxalic acid raw material heating sublimations that will can be crushed.
Reference picture 1 and Fig. 2, Fig. 3, the storing component 1 include material storing box 11, are arranged on the storage at the top of the material storing box 11
Hopper lid 12, installed in the inside of the material storing box 11 and as storing component 1 reducing mechanism agitator 13 and for driving
The stirrer-driven motor 14 of the dynamic operating of the agitator 13, the material storing box 11 is arranged on described turn of material component 2 top, storing
Case 11 has discharging opening and the discharging opening can be flowed into turn material component 2 raw material inside material storing box 1.
Reference picture 3, the agitator 13 includes the stirring that gear train 131 and the output end of stirrer-driven motor 14 are connected
Axle 132, the stirring rod 133 being arranged on the agitating shaft 132 and extended out stirring vane 134 by the both sides of gear train 131；Institute
State the first angular wheel 1311 of gear train 131 including fit engagement, the second angular wheel 1312, triconic gear 1313 and
4th angular wheel 1314, wherein the first angular wheel 1311 is directly or indirectly fixed on material storing box 11, the triconic
Gear 1313 is connected with agitating shaft 132 and drives rotation, the conical tooth of second angular wheel 1312 and the 4th by agitating shaft 132
Wheel 1314 is arranged between the first angular wheel 1311 and triconic gear 1313, and above-mentioned stirring vane 134 is respectively from the
Two angular wheels 1312 and the 4th angular wheel 1314 extend to both sides, and the outer wrap of the gear train 131 has gear sealing box
135。
Reference picture 1 and Fig. 4, the transfer assembly 2 includes turning charging tray 21, be wrapped in and described turn to turn charging tray outside charging tray 21
Seal box 22, for will turn the raw material in charging tray 21 be sent to heating component 3 in dnockout rod 23 and drive described in turn charging tray
21 rotate turn charging tray motor 24；With feeding mouth and discharging opening, the feeding mouth for turning charging tray 21 can be by for the charging tray 21 that turns
Raw material supply in storing component 1 turns the feedstock transportation that the discharging opening of charging tray 21 will can turn inside charging tray 21 in turning charging tray 21
To in heating component 3；This kind of feeding machine also includes optical flame detector 25 and signal panels 26, and the optical flame detector 25 and signal panels 26 are used to connect
The collection of letters number simultaneously controls to turn the velocity of rotation of charging tray motor 24.
Reference picture 1, the heating component 3 includes heater box 31, the heating mantle 32 being wrapped in outside the heater box 31, sets
Put the impeller-agitator 33 inside the heater box 31 and drive the impeller-agitator that the impeller-agitator 33 is rotated to drive
Dynamic motor 34；The heater box 31 has feeding mouth, air inlet 35 and gas outlet 36, and the feeding mouth can be by transfer assembly 2
Feedstock transportation enter heater box 31, the air inlet 35 is nitrogen inlet, the gas outlet 36 is used in heater box 31
The gas output produced after portion's raw material distillation.
The work process of this kind of oxalic acid powder feed machine is as follows：
First, storing case lid 12 is turned on, oxalic acid powder is added in material storing box 11, then covered storing case lid 12 and tighten close
Envelope.Further, stirrer-driven motor 14 drives agitator 13 to start to rotate, and the agitator 13 is inside material storing box 11 by grass
Sour powder stock stirring is crushed.
With reference to 2 and Fig. 3, the first angular wheel 1311 in the gear train 131 is directly or indirectly fixed, is driven in agitator
Under the driving effect of dynamic motor 14, the agitating shaft 132 drives the first angular wheel in stirring rod 133 and gear train 131
1311 rotate, because the first angular wheel 1311 is fixed（It is considered as frame）, second angular wheel 1312 and
Four angular wheels 1314 such as do at the motion of rotating speed opposite direction respectively（It is considered as two components）, and the second angular wheel 1312 and
Four angular wheels 1314 can autobiography, can also revolve round the sun, at the same also drive be arranged on the second angular wheel 1312 and the 4th conical tooth
Stirring vane on wheel 1314 is stirred to raw material, so more thorough, the oxalic acid entrance turn that oxalic acid can be stirred in bottom
Will not be lumpd during the feeding mouth of charging tray 21.
Reference picture 1 and Fig. 4, turn the groove on the correspondence signal panels 26 of receiving hole 211 on charging tray 21.I.e. when optical flame detector 25 senses
During groove on to signal panels 26, turn first hole in the receiving hole 211 on charging tray 21 and the 4th hole and dock material storing box respectively
11 discharging opening and the feeding mouth of heater box 31.At this moment, first receiving hole 211 receives pan feeding, in the 4th material receiving port 211
Oxalic acid is thrown into heater box 31 in the presence of dnockout rod 23.Then turn charging tray motor 24 to rotate again, work as light sensation
When device 25 senses 26 next groove of signal panels, equipment repeats same action.
Reference picture 1, after oxalic acid enters heater box 31, under the heating of heating mantle 32, makes on the temperature inside the box of heater box 31
Rise.At this moment, impeller-agitator motor 34 is rotated and impeller agitator 33 is rotated, and oxalic acid is evenly distributed on heater box
31 cabinet wall surrounding, oxalic acid powder distils after being heated, with the N being passed through from air inlet 352Flowed out by gas outlet 36 together.
Because turning the period of motion of charging tray 21 for run duration and dwell time, dwell time is controllable.At material storing box 11
During splicing, the length of splicing time is related to the size of oxalic acid feeding.Turn that the residence time of charging tray 21 is more long, oxalic acid pan feeding is got over
It is many.So the size of the amount of oxalic acid（1-20g）The length of the dwell time in the period of motion that can turn charging tray 21 by control
To realize, it is capable of achieving to be precisely controlled and micro control.
Above is preferable implementation of the invention is illustrated, but the invention is not limited to the implementation
Example, those of ordinary skill in the art can also make a variety of equivalent variations or replace on the premise of without prejudice to spirit of the invention
Change, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (10)
1. a kind of oxalic acid powder feed machine for powder metallurgy mesoxalic acid catalysis degreasing stove, it is characterised in that：Including storing group
Part（1）, turn material component（2）With heating component（3）, the storing component（1）For storing oxalic acid raw material, storing component（1）Bag
Include the reducing mechanism for crushing raw material, described turn of material component（2）For by storing component（1）In be crushed raw material be transferred to
Heating component（3）In, the heating component（3）The oxalic acid raw material heating sublimation that will can be crushed.
2. a kind of oxalic acid powder feed machine for powder metallurgy mesoxalic acid catalysis degreasing stove according to claim 1, its
It is characterised by：The storing component（1）Including material storing box（11）, be arranged on the material storing box（11）The storing case lid at top
（12）, installed in the material storing box（11）It is internal and as storing component（1）Reducing mechanism agitator（13）And be used for
Drive the agitator（13）The stirrer-driven motor of operating（14）, the material storing box（11）It is arranged on described turn of material component
（2）Top, material storing box（11）With discharging opening and the discharging opening can be by material storing box（1）Internal raw material is flowed into and turns material component
（2）In.
3. a kind of oxalic acid powder feed machine for powder metallurgy mesoxalic acid catalysis degreasing stove according to claim 2, its
It is characterised by：The agitator（13）Including gear train（131）With stirrer-driven motor（14）The agitating shaft of output end connection
（132）, be arranged on the agitating shaft（132）On stirring rod（133）With by gear train（131）Both sides extend out stirring vane
（134）.
4. a kind of oxalic acid powder feed machine for powder metallurgy mesoxalic acid catalysis degreasing stove according to claim 3, its
It is characterised by：The gear train（131）The first angular wheel including fit engagement（1311）, the second angular wheel（1312）、
Triconic gear（1313）And the 4th angular wheel（1314）, wherein the first angular wheel（1311）Directly or indirectly it is fixed on
Material storing box（11）On, the triconic gear（1313）With agitating shaft（132）Connect and by agitating shaft（132）Drive and rotate,
Second angular wheel（1312）With the 4th angular wheel（1314）It is arranged on the first angular wheel（1311）With triconic
Gear（1313）Between, above-mentioned stirring vane（134）Respectively from the second angular wheel（1312）With the 4th angular wheel
（1314）Extend to both sides.
5. a kind of oxalic acid powder feed machine for powder metallurgy mesoxalic acid catalysis degreasing stove according to claim 3 or 4,
It is characterized in that：The gear train（131）Outer wrap has gear sealing box（135）.
6. a kind of oxalic acid powder feed machine for powder metallurgy mesoxalic acid catalysis degreasing stove according to claim 1, its
It is characterised by：The transfer assembly（2）Including turning charging tray（21）, be wrapped in and described turn charging tray（21）Outside turns charging tray seal box
（22）, for charging tray will to be turned（21）In raw material be sent to heating component（3）In dnockout rod（23）And drive described turn of material
Disk（21）What is rotated turns charging tray motor（24）.
7. a kind of oxalic acid powder feed machine for powder metallurgy mesoxalic acid catalysis degreasing stove according to claim 6, its
It is characterised by：It is described to turn charging tray（21）With feeding mouth and discharging opening, turn charging tray（21）Feeding mouth can be by storing component（1）In
Raw material supply to turning charging tray（21）In, turn charging tray（21）Discharging opening can will turn charging tray（21）Internal feedstock transportation is to heating
Component（3）In.
8. a kind of oxalic acid powder feed machine for powder metallurgy mesoxalic acid catalysis degreasing stove according to claim 7, its
It is characterised by：Also include optical flame detector（25）And signal panels（26）, the optical flame detector（25）And signal panels（26）For receiving signal
And control turns charging tray motor（24）Velocity of rotation.
9. a kind of oxalic acid powder feed machine for powder metallurgy mesoxalic acid catalysis degreasing stove according to claim 1, its
It is characterised by：The heating component（3）Including heater box（31）, be wrapped in the heater box（31）Outside heating mantle（32）、
It is arranged on the heater box（31）Internal impeller-agitator（33）And drive the impeller-agitator（33）The impeller of rotation
Stirrer-driven motor（34）.
10. a kind of oxalic acid powder feed machine for powder metallurgy mesoxalic acid catalysis degreasing stove according to claim 9, its
It is characterised by：The heater box（31）With feeding mouth, air inlet（35）And gas outlet（36）, the feeding mouth can be by transfer group
Part（2）In feedstock transportation enter heater box（31）In, the air inlet（35）It is nitrogen inlet, the gas outlet（36）For
By heater box（31）The gas output produced after internal raw material distillation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710100606.6A CN106825560A (en) | 2017-02-23 | 2017-02-23 | A kind of oxalic acid powder feed machine for powder metallurgy mesoxalic acid catalysis degreasing stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710100606.6A CN106825560A (en) | 2017-02-23 | 2017-02-23 | A kind of oxalic acid powder feed machine for powder metallurgy mesoxalic acid catalysis degreasing stove |
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| CN106825560A true CN106825560A (en) | 2017-06-13 |
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| CN201710100606.6A Pending CN106825560A (en) | 2017-02-23 | 2017-02-23 | A kind of oxalic acid powder feed machine for powder metallurgy mesoxalic acid catalysis degreasing stove |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021131219B4 (en) | 2021-11-29 | 2024-10-10 | Xerion Berlin Laboratories GmbH | Device for debinding a green body |
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Application publication date: 20170613 |