CN105562695A - Degreasing furnace - Google Patents
Degreasing furnace Download PDFInfo
- Publication number
- CN105562695A CN105562695A CN201410553208.6A CN201410553208A CN105562695A CN 105562695 A CN105562695 A CN 105562695A CN 201410553208 A CN201410553208 A CN 201410553208A CN 105562695 A CN105562695 A CN 105562695A
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- China
- Prior art keywords
- heater
- pipeline
- debinding furnace
- gas
- gas concentration
- 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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- 238000005238 degreasing Methods 0.000 title claims abstract description 36
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims description 54
- 238000006555 catalytic reaction Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 13
- 239000002737 fuel gas Substances 0.000 claims description 9
- 230000008602 contraction Effects 0.000 claims description 6
- 239000002699 waste material Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 230000001143 conditioned effect Effects 0.000 claims description 2
- 230000005484 gravity Effects 0.000 claims description 2
- 230000001737 promoting effect Effects 0.000 claims 1
- 238000000465 moulding Methods 0.000 abstract 2
- 230000003197 catalytic effect Effects 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 36
- 229910052757 nitrogen Inorganic materials 0.000 description 18
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 10
- 239000011230 binding agent Substances 0.000 description 10
- 229910017604 nitric acid Inorganic materials 0.000 description 10
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 10
- 229910052697 platinum Inorganic materials 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012774 insulation material Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000003421 catalytic decomposition reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
A degreasing furnace comprises a furnace body, a heating assembly and a material rest. The material rest is used for containing a molding blank, the furnace body is further provided with a gas inlet, a pipeline and an exhaust opening; the gas inlet is used for inputting protection gas, the pipeline is used for inputting catalytic materials so as to perform degreasing on the molding blank, and the exhaust opening is connected with an exhaust device. The exhaust device comprises a first pipeline and a second pipeline. The second pipeline is a bend pipe, and the two ends of the second pipeline are communicated with the exhaust opening and the first pipeline.
Description
Technical field
The present invention relates to a kind of debinding furnace, particularly relate to a kind of catalysis degreasing stove of metal powder injection molding.
Background technology
Metal powder injection molding is a kind of novel powder metallurgy forming technology, after metal powder granulates and binding agent are mixed to form batch mixing, be formed into parison through ejection formation.Become parison before sintering must a certain amount of binding agent in removing body, this process be called degreasing.
One-tenth parison is generally put into catalysis degreasing stove by ungrease treatment; first heat in debinding furnace; and by continuing to pass in stove through the protective gas (being generally nitrogen) of preheating, furnace air is drained; again catalysis material is inputted in stove the binding agent catalytic decomposition at a certain temperature made in parison, to be embodied as the removal effect of binding agent in parison.
Conventional catalysis degreasing stove, the time passing into nitrogen discharge furnace air in stove is generally the experience relying on operating personnel, and for ensureing to be discharged as far as possible by furnace air, time and the tolerance of in stove, leading to nitrogen all need more excess enthalpy.When the binding agent become in parison is removed, generally that the nitric acid passing into evaporation atomization carries out degreasing to one-tenth parison, the time of degreasing sets according to the experience of operator, only rely on the experience of operator cannot grasp and arrange relevant job parameter comparatively accurately, not easily accurately control into the degreasing amount of parison, need through repeatedly repeatedly testing and debugging can reach, efficiency is lower, after particularly nitric acid input changes for some reason, relevant operating condition also can have an impact to the requirement of activity duration, now just more not easily controls.Separately, some fuel gas (as formaldehyde, methane, propylene, ethene etc.) can be produced and the concentration of the relevant fuel gas of the not easily interior generation of understanding body of heater in skimming processes, if relevant combustable gas concentration reaches capacity in stove, also may blast, there is very large potential safety hazard.
Summary of the invention
In view of this, be necessary to provide one to raise the efficiency, and the catalysis degreasing stove that security is high.
A kind of debinding furnace; comprise body of heater, heating component, bin; this bin is used for being placed to parison; this body of heater is also provided with air inlet, pipeline and exhaust outlet, and this air inlet is used for input protection gas, and this pipeline is for inputting catalysis material to carry out degreasing to this one-tenth parison; this exhaust ports is connected with exhaust apparatus; this exhaust apparatus comprises the first pipeline and second pipe, and this second pipe is a bend pipe, and these second pipe two ends are connected with this exhaust outlet and this first pipeline respectively.
Catalysis degreasing stove of the present invention, by arranging gas concentration detector and temperature detector in body of heater, reduce the time entering degreasing flow process, in skimming processes, degreasing time is estimated by detecting gas concentration change in body of heater, and carry out early warning to the combustable gas concentration in body of heater is excessive, carry out early warning by the temperature detected in body of heater to temperature is too high, improve efficiency and the security of catalysis degreasing stove.
Accompanying drawing explanation
Fig. 1 is the schematic cross-section of debinding furnace of the present invention.
Fig. 2 is for the debinding furnace shown in Fig. 1 is along the sectional view of II-II line.
Main element symbol description
| Catalysis degreasing stove | 100 |
| Body of heater | 10 |
| Fire door | 11 |
| Air inlet | 12 |
| Inlet duct | 120 |
| Nitrogen storage device | 121 |
| Flow valve | 123 |
| Pipeline | 122、13 |
| Preheating device | 124 |
| Nitric acid storage device | 131 |
| Pump | 132 |
| Exhaust outlet | 14 |
| Exhaust apparatus | 140 |
| First pipeline | 141 |
| Second pipe | 142 |
| Seal | 143 |
| Igniter | 144 |
| Nozzle | 1411 |
| Heating component | 20 |
| Calandria | 21 |
| Heat insulation material | 22 |
| Air-blast device | 30 |
| Motor | 31 |
| Impeller | 32 |
| Main shaft | 33 |
| Heat-conducting medium | 34 |
| Bin | 40 |
| Holding part | 41 |
| Diversion division | 42 |
| Charging tray | 411 |
| Through hole | 4111 |
| Contraction mouth | 421 |
| Temperature detector | 50 |
| Gas concentration detector | 60 |
| Become parison | 200 |
Following detailed description of the invention will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Detailed description of the invention
Refer to Fig. 1-2, the invention provides a kind of catalysis degreasing stove 100 of embodiment.Catalysis degreasing stove 100 comprises body of heater 10, heating component 20, air-blast device 30, bin 40, is installed in temperature detector 50 in body of heater 10 and gas concentration detector 60 and controls the control module (not shown) of catalysis degreasing stove 100 associated operating condition and controling parameters.
Cylindrically, body of heater 10 is the cylindric flowing being beneficial to gas in body of heater 10 to body of heater 10.Body of heater 10 side is provided with fire door 11, to pick and place into parison 200 to body of heater 10.In present embodiment, fire door 11 is made up of double-decker, heating component 20 is provided with in fire door 11, fire door 11 is provided with silica gel sealing door limit, side body of heater 10 being positioned at fire door 11 is provided with opening and is provided with steel flange at edge of opening, when closing fire door 11, the silica gel sealing door limit of fire door 11 is close on steel flange, to reach sealing and heat insulation function.
Body of heater 10 is provided with air inlet 12 away from fire door 11 side, and air inlet 12 place is connected with inlet duct 120.Inlet duct 120 comprises nitrogen storage device 121, the pipeline 122 be connected with nitrogen storage device 121 by air inlet 12, control and detects flow valve 123 and the preheating device 124 of nitrogen flow.In present embodiment, store liquid nitrogen in nitrogen storage device 121, liquid nitrogen is by pipeline 122 and enter in body of heater 10 after preheating device 124 preheating again.
Body of heater 10 is also provided with pipeline 13 away from fire door 11 side, pipeline 13 one end is connected with a nitric acid storage device 131, the other end stretches in bin 40 through body of heater 10 and bin 40, pipeline 13 is provided with pump 132, nitric acid in nitric acid storage device 131 is passed in bin 40 by pump 132, and catalysis is positioned over binding agent in the one-tenth parison 200 in body of heater 10 to make into parison 200 degreasing.
Contiguous fire door 11 one end, top of body of heater 10 is also provided with exhaust outlet 14, and exhaust outlet 14 place is connected with exhaust apparatus 140.Exhaust apparatus 140 comprises the first pipeline 141 and second pipe 142.First pipeline 141 is a straight tube, and second pipe 142 is a bend pipe, and its two ends are connected with exhaust outlet 14 and the first pipeline 141 respectively.The lower end of the first pipeline 141 is provided with a seal 143, it can be a valve, the waste residue of discharging with gas is discharged from exhaust outlet 14 and is entered the first pipeline 141 through second pipe 142, and being deposited on the bottom of the first pipeline 141 under gravity, the upper end of the first pipeline 141 is connected with igniter 144.In present embodiment, igniter 144 is provided with multiple nozzle 1411 that can jet out flames around the first pipeline 141 upper end, be conducive to the full combustion of gas of will discharge from exhaust outlet 14, the waste residue that burning produces also can drop to the bottom of the first pipeline 141, regularly can open seal 143 and be removed.This exhaust apparatus 140 can effectively prevent waste residue from falling to melt down in body 10.
Be appreciated that exhaust outlet 14 is not limited to the top being arranged on body of heater 10 in present embodiment, also can be arranged on the side of body of heater 10, the position of exhaust outlet 14 should be arranged according to actual requirement.
Heating component 20 comprises for body of heater 10 provides the calandria 21 of heat and the heat insulation material 22 of parcel calandria 21 and body of heater 10.The lateral wall that calandria 21 is close to body of heater 10 is arranged, and heats for body of heater 10, and the temperature be beneficial in body of heater 10 controls.In present embodiment, calandria 21 has double-sided metal shell, and inside is provided with heater strip.The periphery of body of heater 10 and the two side ends of connection periphery thereof are all arranged at intervals with multiple calandria 21, and the calandria 21 that the periphery of body of heater 10 adopts is tubular calandria, and the calandria 21 that two side ends adopts is tabular calandria.Heat insulation material 22 for the heat that prevents calandria 21 and produce on the impact of other part.
Be appreciated that the mode heated body of heater 10 is not limited to use inner calandria 21 pairs of bodies of heater 10 being provided with heater strip to heat in present embodiment.
Air-blast device 30 comprises motor 31, impeller 32 and connects the main shaft 33 of motor 31 and impeller 32.Motor 31 is installed in the outside of body of heater 10, and impeller 32 is installed in the inside of body of heater 10, and is adjacent to bin 40, and motor 31 is connected with impeller 32 through body of heater 10 by main shaft 33.In present embodiment, air-blast device 30 produces a kind of horizontal mixed airflow, promotes gas flowing in body of heater 10, the temperature in body of heater 10 is distributed more equably.
In present embodiment, input in body of heater 10 after the pipeline 122 of liquid nitrogen through being equiped with flow valve 123 of nitrogen storage device 121 output inputs preheating device 124 preheating, flow valve 123 is for the flow of detection and control nitrogen, another main shaft 33 cooled by being provided with a lateral (mark) on pipeline 122 and utilizing the heat of main shaft 33 to the liquid nitrogen preheating of lateral, this lateral to extend near main shaft and with a heat-conducting medium 34 can be set therebetween.
Bin 40 is fixed in body of heater 10, the diversion division 42 that bin 40 comprises holding part 41 and is connected with holding part 41.Holding part 41 is a square frame, is shelved with dismountable multiple charging tray 411 in holding part 41, and charging tray 411 is for being placed to parison 200.Charging tray 411 offers and promotes gas flowing and heat conducting through hole 4111, in present embodiment, in matrix, arrangement is covered with in charging tray 411 through hole 4111.Diversion division 42 is in contraction-like, and diversion division 42 offers a contraction mouth 421 away from holding part 41 one end, and contraction mouth 421 is in close proximity to impeller 32, to promote the flowing of the gas in bin 40, utilizes into the degreasing of parison 200.In present embodiment, diversion division 42 extends to holding part 41 from contraction mouth 421.Pipeline 13 one end stretches in holding part 41 through body of heater 10 and bin 40, reacts fast with the binding agent made in parison 200.
Temperature detector 50 is fixed in body of heater 10, for detecting the temperature in body of heater 10.Temperature detector 50 is also connected with control module, and by the Temperature displaying in the body of heater 10 detected in controlling on module.In present embodiment, the quantity of temperature detector 50 is two, and two temperature detectors 50 are distributed in the two ends of body of heater 10 side, to detect the temperature in body of heater 10 accurately.In other embodiments, the quantity of temperature detector 50 is not limited to two, can arrange according to actual needs.
Gas concentration detector 60 stretches in the holding part 41 of bin 40, for detecting the associated gas concentration that in body of heater 10, degreasing generates, as fuel gas such as formaldehyde, methane, propylene, ethene.Gas concentration detector 60 is connected with control module.In present embodiment, gas concentration detector 60 comprises platinum filament, and when fuel gas contacts with the platinum filament of gas concentration detector 60, oxidation reaction occurs on platinum filament surface, the resistivity of heat effects platinum filament produced, and then make to control module and combustable gas concentration in body of heater 10 detected.
Can understand, gas concentration detector 60 detects combustable gas concentration and is not limited to use the platinum filament in present embodiment.
In present embodiment, control module and comprise controller (not shown) and control panel (not shown), controller is connected (not shown) with flow valve 123, pump 132, calandria 21 and motor 31, and can control the duty of flow valve 123, pump 132, calandria 21 and motor 31.Control panel can arrange parameter during 100 degreasing of catalysis degreasing stove, specifically includes but not limited to a default temperature extremes and gas concentration limiting value or a scope, also can the testing result of displays temperature detector 50 and gas concentration detector 60.Control module record corresponding pre-conditioned, specifically include but not limited to the temperature extremes preset and gas concentration limiting value or scope.When the gas concentration result that gas concentration detector 60 detects reaches default gas concentration limiting value or scope; and/or when in body of heater 10, temperature reaches default temperature extremes; control module driving governor and send control instruction, control instruction can be alarm command or halt instruction.
Catalysis degreasing stove 100 of the present invention in use, first fire door 11 is opened, one-tenth parison 200 is placed on charging tray 411, close parison 200 degreasing is also arranged to by fire door 11 parameter by the control panel controlling module, preset relevant parameter and condition, be specifically limited to but do not comprise a temperature extremes and gas concentration limiting value or a scope, controlling flow valve 123 again passes in body of heater 10 by the nitrogen through preheating device 124, and meanwhile, controller controls calandria 21 pairs of bodies of heater 10 and heats, and starts air-blast device 30 and igniter 144, when temperature detector 50 detects that in body of heater 10, temperature reaches a temperature value (being generally 120 degrees Celsius), and gas concentration detector 60 is not when fuel gas being detected, controller controls flow valve 123 and strengthens nitrogen intake, and start pump 132 and start to pass into nitric acid in body of heater 10, because nitric acid has volatile with the characteristic such as boiling point is low, it is gaseous state that nitric acid enters in body of heater 10, the binding agent gasification made in parison 200 is decomposed, produce fuel gas, fuel gas carries out burning by igniter 144 to it and processes after exhaust outlet 14 is discharged, the waste residue of discharging with fuel gas can drop to the bottom of the first pipeline 141, in skimming processes, temperature detector 50 is for detecting the temperature in body of heater 10, and when in body of heater 10, temperature reaches default temperature extremes, controller impels alarm unit to give the alarm to remind the too high need of temperature in operating personnel's body of heater 10 to process in time, in gas concentration detector 60 pairs of skimming processes, in body of heater 10, gas concentration detects, when the gas concentration detected reaches default gas concentration limiting value or scope, controller impels alarm unit to give the alarm to remind the too high need of gas concentration in operating personnel's body of heater 10 to process in time, by gas concentration detector 60, controller detects that the mutation analysis of gas concentration in body of heater 10 judges into the degreasing degree of parison 200, to determine whether degreasing completes, when degreasing completes, controller controls flow valve 123 and strengthens nitrogen intake further to rinse in body of heater 10.
Catalysis degreasing stove 100 of the present invention, by arranging gas concentration detector 60 and temperature detector 50 in body of heater 10, reduce the time entering degreasing flow process, in skimming processes, estimate degreasing time by detecting gas concentration change in body of heater 10, and carry out early warning time excessive to the combustable gas concentration in body of heater 10, by detecting the temperature in body of heater 10, carry out early warning when temperature is too high, improve efficiency and the security of catalysis degreasing stove.
Can understand, the gas that air inlet 12 passes into is not limited to the nitrogen in present embodiment, can also be other protective gas.
Can understand, the binding agent be catalyzed in parison 200 is not limited to the nitric acid used in present embodiment, the catalysis material of binding agent catalysis that can also to be other will become in parison 200, such as oxalic acid.
Can understand, the control instruction in present embodiment includes but not limited to give the alarm, shut down process etc.
In addition, those skilled in the art also can do other change in spirit of the present invention, and certainly, these changes done according to the present invention's spirit, all should be included in the present invention's scope required for protection.
Claims (10)
1. a debinding furnace; comprise body of heater, heating component, bin; this bin is used for being placed to parison; this body of heater is also provided with air inlet, pipeline and exhaust outlet, and this air inlet is used for input protection gas, and this pipeline is for inputting catalysis material to carry out degreasing to this one-tenth parison; it is characterized in that: this exhaust ports is connected with exhaust apparatus; this exhaust apparatus comprises the first pipeline and second pipe, and this second pipe is a bend pipe, and these second pipe two ends are connected with this exhaust outlet and this first pipeline respectively.
2. debinding furnace as claimed in claim 1, it is characterized in that: this debinding furnace also comprises the gas concentration detector be installed in this body of heater and the control module be connected with this gas concentration detector, this gas concentration detector is for detecting the concentration value producing fuel gas in skimming processes in body of heater, and according to it, pre-conditioned and gas concentration detector testing result sends control instruction to this control module.
3. debinding furnace as claimed in claim 1, it is characterized in that: the lower end of this first pipeline is provided with a seal, the waste residue of discharging with gas is discharged from this exhaust outlet and is entered this first pipeline through this second pipe, and is deposited on the bottom of this first pipeline under gravity.
4. debinding furnace as claimed in claim 3, is characterized in that: the seal is a valve, and opening valve can discharge the waste residue being deposited on this first duct bottom.
5. debinding furnace as claimed in claim 1, it is characterized in that: the upper end of this first pipeline is connected with igniter, this igniter is provided with multiple nozzle that can jet out flames around this first pipeline upper end, to make the gas combustion of discharging from this exhaust outlet.
6. debinding furnace as claimed in claim 1, it is characterized in that: this debinding furnace also comprises the temperature detector be installed in this body of heater, this temperature detector is connected with this control module, this control module presets a temperature extremes, this temperature detector detects the temperature value in this body of heater, when in this body of heater, temperature value reaches this temperature extremes, this control module sends control instruction.
7. debinding furnace as claimed in claim 1, it is characterized in that: this debinding furnace also comprises an air-blast device, this air-blast device comprises motor, impeller and connects the main shaft of this motor and impeller, this motor is installed in the outside of this body of heater, this impeller is installed in the inside of this body of heater, this motor is connected with impeller through this body of heater by this main shaft, and the rotation of this air-blast device promotes that the gas of this debinding furnace flows.
8. debinding furnace as claimed in claim 7, it is characterized in that: the diversion division that this bin comprises holding part and is connected with this holding part, dismountable charging tray is shelved with in this holding part, parison is become to be positioned on this charging tray, this diversion division offers contraction mouth away from this holding part one end, and this contraction mouth is close to this air-blast device and arranges with the flowing promoting the gas in this bin.
9. debinding furnace as claimed in claim 8, is characterized in that: this charging tray offers and promotes gas flowing and heat conducting through hole.
10. debinding furnace as claimed in claim 2, is characterized in that: this gas concentration detector is fixed in this bin, to be detected as the gas concentration that parison degreasing produces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410553208.6A CN105562695B (en) | 2014-10-17 | 2014-10-17 | A kind of debinding furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410553208.6A CN105562695B (en) | 2014-10-17 | 2014-10-17 | A kind of debinding furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105562695A true CN105562695A (en) | 2016-05-11 |
| CN105562695B CN105562695B (en) | 2018-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410553208.6A Expired - Fee Related CN105562695B (en) | 2014-10-17 | 2014-10-17 | A kind of debinding furnace |
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| Country | Link |
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| CN (1) | CN105562695B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106270524A (en) * | 2016-10-21 | 2017-01-04 | 宁波斯百睿自控设备有限公司 | Catalysis degreasing system and catalysis degreasing method |
| CN106440668A (en) * | 2016-11-16 | 2017-02-22 | 成都东方仪器有限公司 | Vacuum drying degreasing device |
| CN106734883A (en) * | 2017-01-03 | 2017-05-31 | 蔡政达 | Shell mould sintering equipment and method |
| CN106825580A (en) * | 2017-02-23 | 2017-06-13 | 深圳市星特烁科技有限公司 | A kind of catalysis degreasing stove with atmosphere purification function |
| CN108746610A (en) * | 2018-05-31 | 2018-11-06 | 遵义中铂硬质合金有限责任公司 | Hard alloy binder removing process |
| CN110181045A (en) * | 2019-07-03 | 2019-08-30 | 宁波恒普真空技术有限公司 | A kind of nitric acid atomising device of continuous degreasing furnace |
| CN110722156A (en) * | 2019-11-22 | 2020-01-24 | 龙寒杰 | Oxalic acid and general catalytic degreasing stove of nitric acid |
| CN114178529A (en) * | 2021-11-03 | 2022-03-15 | 浙江恒成硬质合金有限公司 | Hard alloy degreasing furnace and degreasing method |
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| CN106270524A (en) * | 2016-10-21 | 2017-01-04 | 宁波斯百睿自控设备有限公司 | Catalysis degreasing system and catalysis degreasing method |
| CN106440668A (en) * | 2016-11-16 | 2017-02-22 | 成都东方仪器有限公司 | Vacuum drying degreasing device |
| CN106734883A (en) * | 2017-01-03 | 2017-05-31 | 蔡政达 | Shell mould sintering equipment and method |
| CN106734883B (en) * | 2017-01-03 | 2018-10-02 | 蔡耀名 | Shell mold sintering equipment and method |
| CN106825580A (en) * | 2017-02-23 | 2017-06-13 | 深圳市星特烁科技有限公司 | A kind of catalysis degreasing stove with atmosphere purification function |
| CN106825580B (en) * | 2017-02-23 | 2019-07-12 | 深圳市星特烁科技有限公司 | A kind of catalysis degreasing furnace with atmosphere purification function |
| CN108746610A (en) * | 2018-05-31 | 2018-11-06 | 遵义中铂硬质合金有限责任公司 | Hard alloy binder removing process |
| CN110181045A (en) * | 2019-07-03 | 2019-08-30 | 宁波恒普真空技术有限公司 | A kind of nitric acid atomising device of continuous degreasing furnace |
| CN110181045B (en) * | 2019-07-03 | 2024-01-30 | 宁波恒普技术股份有限公司 | Nitric acid atomizing device of continuous degreasing furnace |
| CN110722156A (en) * | 2019-11-22 | 2020-01-24 | 龙寒杰 | Oxalic acid and general catalytic degreasing stove of nitric acid |
| CN114178529A (en) * | 2021-11-03 | 2022-03-15 | 浙江恒成硬质合金有限公司 | Hard alloy degreasing furnace and degreasing method |
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