CN110465656A - A kind of Catalyzed by Oxalic Acid agent debinding furnace - Google Patents
A kind of Catalyzed by Oxalic Acid agent debinding furnace Download PDFInfo
- Publication number
- CN110465656A CN110465656A CN201910828576.XA CN201910828576A CN110465656A CN 110465656 A CN110465656 A CN 110465656A CN 201910828576 A CN201910828576 A CN 201910828576A CN 110465656 A CN110465656 A CN 110465656A
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- CN
- China
- Prior art keywords
- oxalic acid
- casing
- motor
- catalyzed
- debinding furnace
- 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.)
- Pending
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- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 title claims abstract description 133
- 235000006408 oxalic acid Nutrition 0.000 title claims abstract description 44
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 25
- 206010037660 Pyrexia Diseases 0.000 claims abstract description 30
- 238000002309 gasification Methods 0.000 claims abstract description 25
- 238000009434 installation Methods 0.000 claims abstract description 16
- 238000003860 storage Methods 0.000 claims abstract description 13
- 238000003756 stirring Methods 0.000 claims description 13
- 230000004087 circulation Effects 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 17
- 230000000903 blocking effect Effects 0.000 abstract description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 10
- 229910017604 nitric acid Inorganic materials 0.000 description 10
- 238000005238 degreasing Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 6
- 238000006555 catalytic reaction Methods 0.000 description 6
- 239000000843 powder Substances 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000012946 outsourcing Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000000859 sublimation Methods 0.000 description 2
- 230000008022 sublimation Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007171 acid catalysis Methods 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000008429 bread Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- B22F3/10—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
- B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
- B22F3/225—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip by injection molding
Abstract
The invention discloses a kind of Catalyzed by Oxalic Acid agent debinding furnace, including conveying device, gasification installation, feed device, storage device, gasification installation, feed device, storage device are connected by conveying device.Conveying device is made of No.1 casing, No. two casings, pusher cylinder, No.1 air inlet pipe, No. four fever circles, No. two casing transverse welds are in No.1 casing side, pusher cylinder is arranged at No. two casing one end, No.1 cannula tip is provided with No.1 air inlet pipe, the No.1 casing other side is fixedly connected with No. three casings, and No. three bushing outer surfaces are coated with No. four fever circles.Double air intake structures, No.1 air inlet pipe above can allow oxalic acid to smoothly enter gasification installation, and air inlet button below can drive the oxalic acid of gasification to enter debinding furnace.The all standing heating for devising a novel gasification installation air transporting arrangement debinding furnace entirety, prevents the oxalic acid of gasification, crystallizes, accumulate, blocking.
Description
Technical field
The present invention relates to a kind of debinding furnace, specifically a kind of Catalyzed by Oxalic Acid agent debinding furnace.
Background technique
Metal powder injection molding is a kind of novel powder metallurgy forming technology, mixed in metal powder granulates and binder
Conjunction is formed through ejection formation into parison after forming mixing.It before sintering must a certain amount of binder, the mistake in removing body at parison
Journey is known as degreasing.
Ungrease treatment will be generally put into catalysis degreasing furnace at parison, first to heating in debinding furnace, and by preheated guarantor
Shield gas (generally nitrogen), which is continually fed into furnace, drains furnace air, then catalysis material is inputted in furnace and is made into parison
Binder be catalytically decomposed at a certain temperature, to be implemented as the removal effect of binder in parison.
The catalyst that current debinding furnace uses is typically all nitric acid, and nitric acid catalysis degreasing furnace is catalyzed poly- first due to concentrated nitric acid
The reaction temperature of aldehyde is lower, will not damage to the structure of product, and debinding rate is fast, and precision is high after product sintering, size
Stablize, defeated acid precisely and the advantages such as facilitates, and causes existing to use the degreasing for using concentrated nitric acid as catalyst mostly on the market
Furnace, but concentrated nitric acid solution as catalyst there is also some problems, concentrated nitric acid first can be broken down under heating state
Oxynitrides, if directly by that can be impacted to environment, secondly, concentrated nitric acid belongs to strong acid, to people if discharged in burning
Body skin and respiratory tract will cause direct damage, catalysis degreasing furnace of the concentrated nitric acid as catalyst, due to concentrated nitric acid oxidation
It is very strong, oxidation corrosion can be caused to some metals, then just limited to catalysis degreasing furnace to the degreasing category of metal product,
Due to these problems of concentrated nitric acid, the debinding furnace using oxalic acid as catalyst also gradually expanded comes.
But it is also pure in Railway Project as the debinding furnace of catalyst in oxalic acid, oxalic acid is rendered as consolidating for white in the case where marking condition
State powder, needs heating sublimation at gaseous state in actual use, it is ensured that entire temperature can make oxalic acid keep sublimation condition, prevent
It only crystallizes, accumulates, blocking.
Oxalic acid is rendered as the solid powder of white in the case where marking condition, then general liquid pump conveying device cannot fit
With.And oxalic acid is being transported in the path in debinding furnace, it is necessary to assure the air-tightness of its conveying device, because of catalysis degreasing
Furnace is to be not allow for air to enter in furnace in the process of running, and the air otherwise entered in furnace is possible to produce with catalysis degreasing
Raw formaldehyde gas reacts (for temperature at 120 DEG C or so, the explosion limit of formaldehyde is about 7~73%), and explosion is caused to endanger
Danger.In addition, the exposure for a long time of oxalic acid powder is easy moisture absorption agglomeration in air, to sum up, traditional powder conveying device is cannot
It is enough safe and effective stable oxalic acid to be transported in debinding furnace.Therefore, those skilled in the art provide a kind of Catalyzed by Oxalic Acid
Agent debinding furnace, to solve the problems mentioned in the above background technology.
Summary of the invention
The purpose of the present invention is to provide a kind of Catalyzed by Oxalic Acid agent debinding furnaces, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the invention provides the following technical scheme:
A kind of Catalyzed by Oxalic Acid agent debinding furnace, including conveying device, gasification installation, feed device, storage device, gasification dress
It sets, feed device, storage device are connected by conveying device.Conveying device by No.1 casing, No. two casings, pusher cylinder,
No.1 air inlet pipe, No. four fever circle compositions, No. two casing transverse welds are covered in No.1 casing side, pusher cylinder setting at No. two
At pipe one end, No.1 cannula tip is provided with No.1 air inlet pipe, and the No.1 casing other side is fixedly connected with No. three casings, No. three sets
Tube outer surface is coated with No. four fever circles.Double air intake structures, No.1 air inlet pipe above can allow oxalic acid to smoothly enter gasification
Device, air inlet button below, can drive the oxalic acid of gasification to enter debinding furnace.The position of air inlet not defined position below, with
Based below, pusher cylinder is fixed with No. two casings, and No.1 casing is fixed to each other with No.1 air inlet pipe.
Gasification installation is made of tank body, No.1 fever circle, No. two air inlet pipe, motor, stirrer paddles, and motor is located at tank body tail
End, motor and stirrer paddle rotate, and No. two air inlet pipe are interspersed in tank body side, and No.1 fever circle is coated on can outer surface.It is vertical
The circular configuration of formula, No.1 heating coil wrap up entirely, and homogeneous heating, stirrer paddle prevents oxalic acid from crystallizing, accumulate, blocking, motor with
Support frame is provided between tank body, motor is fixed by support frame and tank body.
Feed device is formed by set casing, stirring motor, into sour motor, acid inlet, gear, blender, drainage conduit, stirring
Motor and it is located at set casing upper end into sour motor, and acid inlet is located at into sour motor on one side, stirring motor and under sour motor
End is provided with gear, the intermeshing of two gears, and set casing is internally provided with blender, and set casing lower end is welded with drainage conduit,
It stirring motor and is fixed into sour motor with set casing.
Storage device is transmitted at regular time and quantity by pusher cylinder setting divides wind turbine, leaf by cabinet, No. two fevers circles, circulations
Wheel, pipeline, No. three fever circle compositions, No. two fever circles are coated on box outer surface, and circulation divides wind turbine to be located at cabinet one end, leaf
Wheel is located in the box body portion, and impeller and circulation divide wind turbine rotation to connect, and pipeline inserting is coated in cabinet upper end, No. three fever circles
Pipeline external surface.Since gasification installation, heating is all that the existing most of debinding furnace of outsourcing heating coil is all heating pipe built-in,
Homogeneous heating, complete all standing, oxalic acid are not easy to crystallize, and pipeline is fixed to each other with cabinet.
Compared with prior art, the beneficial effects of the present invention are:
The all standing heating for devising a novel gasification installation air transporting arrangement debinding furnace entirety, prevents gasification
Oxalic acid crystallizes, and accumulates, blocking.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of Catalyzed by Oxalic Acid agent debinding furnace.
Fig. 2 is a kind of structural schematic diagram of feed device in Catalyzed by Oxalic Acid agent debinding furnace.
Fig. 3 is a kind of side structure schematic diagram of feed device in Catalyzed by Oxalic Acid agent debinding furnace.
Fig. 4 is a kind of overlooking structure diagram of feed device in Catalyzed by Oxalic Acid agent debinding furnace.
Fig. 5 is a kind of structural schematic diagram of conveying device in Catalyzed by Oxalic Acid agent debinding furnace.
Fig. 6 is a kind of structural schematic diagram of storage device in Catalyzed by Oxalic Acid agent debinding furnace.
Fig. 7 is a kind of structural schematic diagram of gasification installation in Catalyzed by Oxalic Acid agent debinding furnace.
Fig. 8 is a kind of side structure schematic diagram of gasification installation in Catalyzed by Oxalic Acid agent debinding furnace.
In figure: 1, conveying device;101, No.1 casing;102, No. two casings;103, pusher cylinder;105, No.1 air inlet
Pipe;106, No. four fever circles;2, gasification installation;201, tank body;202, No.1 fever circle;203, No. two air inlet pipe;204, motor;
205, stirrer paddle;3, feed device;301, set casing;302, stirring motor;303, into sour motor;304, acid inlet;305,
Gear;306, blender;307, drainage conduit;4, storage device;401, cabinet;402, No. two fever circles;403, circulation divides wind-powered electricity generation
Machine;404, impeller;405, pipeline;406, No. three fever circles.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1~8, in the embodiment of the present invention, a kind of Catalyzed by Oxalic Acid agent debinding furnace, including conveying device 1, gasification dress
2, feed device 3, storage device 4 are set, gasification installation 2, feed device 3, storage device 4 are connected by conveying device 1.Conveying
Device 1 is made of 105, No. four 101, No. two casings 102 of No.1 casing, pusher cylinder 103, No.1 air inlet pipe fever circles 106, and two
Number 102 transverse weld of casing is arranged at No. two 102 one end of casing in 101 side of No.1 casing, pusher cylinder 103, No.1 set
101 top of pipe is provided with No.1 air inlet pipe 105, and 101 other side of No.1 casing is fixedly connected with No. three casings, No. three casing appearances
Bread is covered with No. four fever circles 106.Double air intake structures, No.1 air inlet pipe 105 above can allow oxalic acid to smoothly enter gasification
Device, air inlet button below, can drive the oxalic acid of gasification to enter debinding furnace.The position of air inlet not defined position below, with
Based below, pusher cylinder 103 and No. two casings 102 are fixed, and No.1 casing 101 is fixed to each other with No.1 air inlet pipe 105.
Gasification installation 2 is by tank body 201, No.1 fever circle 202, No. two air inlet pipe 203, motor 204,205 groups of stirrer paddle
At motor 204 is located at 201 tail end of tank body, and motor 204 and stirrer paddle 205 rotate, and No. two air inlet pipe 203 are interspersed in tank body 201
Side, No.1 fever circle 202 are coated on 201 outer surface of tank body.Vertical circular configuration, No.1 heating coil 202 wrap up entirely, heating
Uniformly, stirrer paddle 205 prevents oxalic acid from crystallizing, and accumulates, and blocking is provided with support frame, motor between motor 204 and tank body 201
204 is fixed by support frame and tank body 201.
Feed device 3 by set casing 301, stirring motor 302, into sour motor 303, acid inlet 304, gear 305, blender
306, drainage conduit 307 forms, and stirring motor 302 and is located at 301 upper end of set casing into sour motor 303, and acid inlet 304 is located at
On one side into sour motor 303, stirring motor 302 and it is provided with gear 305 into sour 303 lower end of motor, two gears 305 are mutually nibbled
Close, set casing 301 is internally provided with blender 306, and 301 lower end of set casing is welded with drainage conduit 307, stirring motor 302 and into
Sour motor 302 is fixed with set casing 301.
Storage device 4 is transmitted at regular time and quantity by cabinet 401, No. two fevers circles 402, circulations by the setting of pusher cylinder 103
Divide 405, No. three wind turbine 403, impeller 404, pipeline 406 compositions of fevers circle, No. two fevers circles 402 are coated on 401 appearance of cabinet
Face, circulation divide wind turbine 403 to be located at 401 one end of cabinet, and impeller 404 is located inside cabinet 401, and impeller 404 and circulation divide wind-powered electricity generation
The rotation connection of machine 403, pipeline 405 are interspersed in 401 upper end of cabinet, and No. three fever circles 406 are coated on 405 outer surface of pipeline.From gas
2 beginnings are set in makeup, and it is all heating pipe built-in that heating, which is all the existing most of debinding furnace of outsourcing heating coil, homogeneous heating, completely
All standing, oxalic acid are not easy to crystallize, and pipeline 405 is fixed to each other with cabinet 401.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of Catalyzed by Oxalic Acid agent debinding furnace, which is characterized in that including conveying device (1), gasification installation (2), feed device
(3), storage device (4), gasification installation (2), feed device (3), storage device (4) are connected by conveying device (1).
2. a kind of Catalyzed by Oxalic Acid agent debinding furnace according to claim 1, which is characterized in that the conveying device (1) is by one
Number casing (101), No. two casings (102), pusher cylinder (103), No.1 air inlet pipe (105), No. four fevers circle (106) compositions,
No. two casing (102) transverse welds are arranged in No.1 casing (101) side, pusher cylinder (103) No. two casing (102) one end
Place, No.1 casing (101) top are provided with No.1 air inlet pipe (105), and No.1 casing (101) other side is fixedly connected with No. three sets
Pipe, No. three bushing outer surfaces are coated with No. four fever circles (106).
3. a kind of Catalyzed by Oxalic Acid agent debinding furnace according to claim 1, which is characterized in that the gasification installation (2) is by tank
Body (201), No.1 fever circle (202), No. two air inlet pipe (203), motor (204), stirrer paddle (205) composition, motor (204)
Positioned at tank body (201) tail end, motor (204) and stirrer paddle (205) are rotated, and No. two air inlet pipe (203) are interspersed in tank body (201)
Side, No.1 fever circle (202) are coated on tank body (201) outer surface.
4. a kind of Catalyzed by Oxalic Acid agent debinding furnace according to claim 1, which is characterized in that the feed device (3) is by solid
Determine shell (301), stirring motor (302), into sour motor (303), acid inlet (304), gear (305), blender (306), discharge
(307) composition is managed, stirring motor (302) and is located at set casing (301) upper end into sour motor (303), and acid inlet (304) position
In on one side, stirring motor (302) and being provided with gear (305), two gears into sour motor (303) lower end into sour motor (303)
(305) it is intermeshed, set casing (301) is internally provided with blender (306), and set casing (301) lower end is welded with drainage conduit
(307)。
5. a kind of Catalyzed by Oxalic Acid agent debinding furnace according to claim 1, which is characterized in that the storage device (4) is by case
Body (401), No. two fever circles (402), circulation divide wind turbine (403), impeller (404), pipeline (405), No. three fever circles (406)
Composition, No. two fever circles (402) are coated on cabinet (401) outer surface, and circulation divides wind turbine (403) to be located at cabinet (401) one end,
Impeller (404) is located at cabinet (401) inside, and impeller (404) and circulation divide wind turbine (403) rotation to connect, and pipeline (405) is interspersed
In cabinet (401) upper end, No. three fever circles (406) are coated on pipeline (405) outer surface.
6. a kind of Catalyzed by Oxalic Acid agent debinding furnace according to claim 2, which is characterized in that the pusher cylinder (103) with
No. two casings (102) are fixed, and No.1 casing (101) is fixed to each other with No.1 air inlet pipe (105).
7. a kind of Catalyzed by Oxalic Acid agent debinding furnace according to claim 3, which is characterized in that the motor (204) and tank body
(201) support frame is provided between, motor (204) is fixed by support frame and tank body (201).
8. a kind of Catalyzed by Oxalic Acid agent debinding furnace according to claim 4, which is characterized in that the stirring motor (302) and
It is fixed with set casing (301) into sour motor (302).
9. a kind of Catalyzed by Oxalic Acid agent debinding furnace according to claim 5, which is characterized in that the pipeline (405) and cabinet
(401) it is fixed to each other.
Priority Applications (1)
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CN201910828576.XA CN110465656A (en) | 2019-09-03 | 2019-09-03 | A kind of Catalyzed by Oxalic Acid agent debinding furnace |
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CN201910828576.XA CN110465656A (en) | 2019-09-03 | 2019-09-03 | A kind of Catalyzed by Oxalic Acid agent debinding furnace |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10014403A1 (en) * | 2000-03-24 | 2001-09-27 | Wolfgang Kochanek | Process for the powder metallurgy production of metal bodies comprises mixing a metal compound powder such as oxide powder with a rheology-improving additive, removing the additive; and reducing the metal compound using a reducing gas |
CN205505730U (en) * | 2016-02-01 | 2016-08-24 | 罗松文 | Two air inlet loop structure catalytic debinding stoves |
CN106225486A (en) * | 2016-09-21 | 2016-12-14 | 深圳市星特烁科技有限公司 | Oxalic acid conveyer device |
CN106225485A (en) * | 2016-09-21 | 2016-12-14 | 深圳市星特烁科技有限公司 | Oxalic acid feeder |
CN106270506A (en) * | 2016-09-21 | 2017-01-04 | 深圳市星特烁科技有限公司 | A kind of catalysis degreasing stove using oxalic acid as catalyst and catalysis degreasing method |
CN107934588A (en) * | 2017-12-21 | 2018-04-20 | 宁波斯百睿自控设备有限公司 | A kind of oxalic acid conveying device and catalysis degreasing device |
CN210908104U (en) * | 2019-09-03 | 2020-07-03 | 深圳市湛鑫炉业有限公司 | Oxalic acid catalyst degreasing furnace |
-
2019
- 2019-09-03 CN CN201910828576.XA patent/CN110465656A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10014403A1 (en) * | 2000-03-24 | 2001-09-27 | Wolfgang Kochanek | Process for the powder metallurgy production of metal bodies comprises mixing a metal compound powder such as oxide powder with a rheology-improving additive, removing the additive; and reducing the metal compound using a reducing gas |
CN205505730U (en) * | 2016-02-01 | 2016-08-24 | 罗松文 | Two air inlet loop structure catalytic debinding stoves |
CN106225486A (en) * | 2016-09-21 | 2016-12-14 | 深圳市星特烁科技有限公司 | Oxalic acid conveyer device |
CN106225485A (en) * | 2016-09-21 | 2016-12-14 | 深圳市星特烁科技有限公司 | Oxalic acid feeder |
CN106270506A (en) * | 2016-09-21 | 2017-01-04 | 深圳市星特烁科技有限公司 | A kind of catalysis degreasing stove using oxalic acid as catalyst and catalysis degreasing method |
CN107934588A (en) * | 2017-12-21 | 2018-04-20 | 宁波斯百睿自控设备有限公司 | A kind of oxalic acid conveying device and catalysis degreasing device |
CN210908104U (en) * | 2019-09-03 | 2020-07-03 | 深圳市湛鑫炉业有限公司 | Oxalic acid catalyst degreasing furnace |
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