CN108680006A - A kind of dewaxing-sintering furnace - Google Patents
A kind of dewaxing-sintering furnace Download PDFInfo
- Publication number
- CN108680006A CN108680006A CN201810490573.5A CN201810490573A CN108680006A CN 108680006 A CN108680006 A CN 108680006A CN 201810490573 A CN201810490573 A CN 201810490573A CN 108680006 A CN108680006 A CN 108680006A
- Authority
- CN
- China
- Prior art keywords
- hydrogen
- sintering furnace
- argon gas
- door
- furnace body
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/04—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated adapted for treating the charge in vacuum or special atmosphere
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
- F27B5/16—Arrangements of air or gas supply devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
- F27B5/18—Arrangement of controlling, monitoring, alarm or like devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a kind of CEMENTED CARBIDE PRODUCTION dewaxing-sintering furnaces.CEMENTED CARBIDE PRODUCTION dewaxing-sintering furnace includes sintering furnace body, argon gas aerating system, hydrogen aerating system, vacuum extractor, temperature control system and pressure gauge, and the argon gas aerating system, the hydrogen aerating system, vacuum extractor, the temperature control system and pressure gauge are set to the sintering furnace body.Prepared by the production that the CEMENTED CARBIDE PRODUCTION of present invention dewaxing-sintering furnace is applied to hard alloy, easy to operate, time saving and energy saving, and under micro-positive pressure hydrogen atmosphere, staged heating and heat preservation, dewaxing efficiency is high, and product sintering quality is good.
Description
Technical field
The invention belongs to hard alloy preparing technical field, specifically a kind of dewaxing-sintering furnace.
Background technology
CEMENTED CARBIDE PRODUCTION process generally comprises dispensing, wet-milling, drying, mixes forming agent, granulation, compression moulding, de- molding
Agent, sintering and etc., it is rubber to prepare the forming agent that hard alloy cutting tool generally uses in the prior art, by rubber work
Some residual ashes are had after the molding sintering hard alloy material of skill in product, influence product use quality to a certain extent,
And rubber process ingredient is relative complex, needs to make solvent with gasoline, makees degumming carrier gas with hydrogen, increases the safety danger of production
It is dangerous.Forming agent is taken off in the prior art and is sintered to two programs, using intermittent dewaxing and sintering or the continuous one of negative pressure dewaxing
Formula removing paraffin efficiency is low, and product carbon amounts controllable degree is poor, and product quality is low, low production efficiency.
Invention content
To solve problems of the prior art, the present invention provides a kind of dewaxing-sintering furnaces.The dewaxing and sintering
Product phosphorus content controllable degree that all-in-one oven is produced is high, product matter is more preferable.
The technical solution adopted by the present invention is：A kind of dewaxing-sintering furnace, it is characterised in that：Including sintering furnace body,
Argon gas aerating system, hydrogen aerating system, vacuum extractor, temperature control system and pressure gauge, the argon gas aerating system, institute
It states hydrogen aerating system, vacuum extractor, the temperature control system and pressure gauge and is set to the sintering furnace body, the argon
Gas aerating system includes argon gas generating means, argon flow amount meter, argon gas retraction mechanism and argon gas pipeline, and the argon flow amount meter is set
In the argon gas pipeline, the argon gas generating means is connect by the argon gas pipeline with the sintering furnace body, the argon gas
Retraction mechanism is connect by the argon gas pipeline with the sintering furnace body.
It is provided with liner door and thermal insulating door thermally insulated door, the liner of the liner door and the furnace body on the fire door of the sintering furnace body
It is adapted setting, the thermal insulating door thermally insulated door is adapted setting with the insulating layer of the furnace body；It is provided with liner on the outside of the fire door
Door cylinder and heat preservation door cylinder, the start or stop of liner door described in the liner door cylinder controllable ground independent control, the thermal insulating door thermally insulated door
The start or stop of thermal insulating door thermally insulated door described in cylinder controllable ground independent control.
Preferably, the hydrogen aerating system includes hydrogen formation apparatus, hydrogen flowmeter, hydrogen retraction mechanism and hydrogen
Feed channel, the hydrogen flowmeter be set to the Hydrogen Line, the hydrogen formation apparatus by the Hydrogen Line with it is described
It is sintered furnace body connection, the hydrogen retraction mechanism is connect by the Hydrogen Line with the sintering furnace body.
Preferably, the temperature control system includes heating device and thermometer, the heating device and the temperature
Meter is set to the sintering furnace body.
Preferably, the hydrogen aerating system further includes hydrogen pulsing compression pump, the hydrogen pulsing compression pump and institute
State hydrogen formation apparatus connection.
The beneficial effects of the invention are as follows：Prepared by the production that the present invention is applied to hard alloy, easy to operate, time saving and energy saving,
Under micro-positive pressure hydrogen atmosphere, staged heating and heat preservation, product carbon amounts controllable degree is high, product quality is high and production efficiency is high,
Dewaxing efficiency is high, and product sintering quality is good.Hydrogen and argon can be controlled by the argon flow amount meter and the argon flow amount meter etc.
The flow of gas carries out hydrogen pulsing pressure using the hydrogen pulsing compression pump and washes away, excludes residual paraffin forming agent in stove, then
Under protection of argon gas, the vacuum-sintering under certain high temperature.
Description of the drawings
Fig. 1 is the structural schematic diagram of embodiment 1；
Specific implementation mode
The embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
Embodiment 1：
CEMENTED CARBIDE PRODUCTION dewaxing-sintering furnace 1 as shown in Figure 1 comprising sintering furnace body 11, argon gas
Aerating system 12, hydrogen aerating system 13, vacuum extractor 14, temperature control system 15 and pressure gauge 16.The argon gas ventilation
System 12, the hydrogen aerating system 13, vacuum extractor 14, the temperature control system 15 and the pressure gauge 16 are set to
The sintering furnace body 11.
It is provided with liner door and thermal insulating door thermally insulated door, the liner of the liner door and the furnace body on the fire door of the sintering furnace body
It is adapted setting, the thermal insulating door thermally insulated door is adapted setting with the insulating layer of the furnace body；It is provided with liner on the outside of the fire door
Door cylinder and heat preservation door cylinder, the start or stop of liner door described in the liner door cylinder controllable ground independent control, the thermal insulating door thermally insulated door
The start or stop of thermal insulating door thermally insulated door described in cylinder controllable ground independent control.
The argon gas aerating system 12 include argon gas generating means 121, argon flow amount meter 122, argon gas retraction mechanism 123 and
Argon gas pipeline 124.The argon flow amount meter 122 is set to the argon gas pipeline 124, and the argon gas generating means 121 passes through described
Argon gas pipeline 121 is connect with the sintering furnace body 11, and the argon gas retraction mechanism 123 passes through the argon gas pipeline 124 and institute
Sintering furnace body 11 is stated to connect.
The hydrogen aerating system 13 include hydrogen formation apparatus 131, hydrogen flowmeter 132, hydrogen retraction mechanism 133,
Hydrogen Line 134 and hydrogen pulsing compression pump 135.The hydrogen flowmeter 132 is set to the Hydrogen Line 134, the hydrogen
Generating means 131 is connect by the Hydrogen Line 134 with the sintering furnace body 11, and the hydrogen retraction mechanism 133 passes through
The Hydrogen Line 134 is connect with the sintering furnace body 11, the hydrogen pulsing compression pump 133 and the hydrogen formation apparatus
131 connections.
The temperature control system 15 includes heating device 151 and thermometer 152.The heating device 151 and the temperature
Degree meter 152 is set to the sintering furnace body 11.
The CEMENTED CARBIDE PRODUCTION of the present invention has following advantageous effect with dewaxing-sintering furnace 1：
Prepared by the production applied to hard alloy, easy to operate, time saving and energy saving, under micro-positive pressure hydrogen atmosphere, staged
Heating and heat preservation, product carbon amounts controllable degree is high, product quality is high and production efficiency is high, and dewaxing efficiency is high, and product sintering quality is good.
The flow that hydrogen and argon gas can be controlled by the argon flow amount meter 122 and the argon flow amount meter 132 etc., using the hydrogen
Gas pulse compression pump 135 carries out hydrogen pulsing pressure and washes away, and excludes residual paraffin forming agent in stove, then under protection of argon gas,
Vacuum-sintering under certain high temperature.
Specific implementation mode of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect range.
Claims (4)
1. a kind of dewaxing-sintering furnace, it is characterised in that：Including sintering furnace body, argon gas aerating system, hydrogen aerating system,
Vacuum extractor, temperature control system and pressure gauge, the argon gas aerating system, the hydrogen aerating system, vacuum extractor,
The temperature control system and pressure gauge are set to the sintering furnace body, and the argon gas aerating system includes that argon gas fills
It sets, argon flow amount meter, argon gas retraction mechanism and argon gas pipeline, the argon flow amount meter are set to the argon gas pipeline, the argon gas
Generating means is connect by the argon gas pipeline with the sintering furnace body, and the argon gas retraction mechanism passes through the argon gas pipeline
It is connect with the sintering furnace body；
It is provided with liner door and thermal insulating door thermally insulated door on the fire door of the sintering furnace body, the liner of the liner door and the furnace body is mutually fitted
With setting, the thermal insulating door thermally insulated door is adapted setting with the insulating layer of the furnace body；Liner door gas is provided on the outside of the fire door
Cylinder and heat preservation door cylinder, the start or stop of liner door described in the liner door cylinder controllable ground independent control, the heat preservation door cylinder
The start or stop of thermal insulating door thermally insulated door described in controllable ground independent control.
2. a kind of dewaxing-sintering furnace according to claim 1, it is characterised in that：The hydrogen aerating system includes hydrogen
Gas generating means, hydrogen flowmeter, hydrogen retraction mechanism and Hydrogen Line, the hydrogen flowmeter are set to the Hydrogen Line,
The hydrogen formation apparatus is connect by the Hydrogen Line with the sintering furnace body, and the hydrogen retraction mechanism passes through described
Hydrogen Line is connect with the sintering furnace body.
3. a kind of dewaxing-sintering furnace according to claim 1, it is characterised in that：The temperature control system includes adding
Thermal and thermometer, the heating device and the thermometer are set to the sintering furnace body.
4. a kind of dewaxing-sintering furnace according to claim 1, it is characterised in that：The hydrogen aerating system further includes
Hydrogen pulsing compression pump, the hydrogen pulsing compression pump are connect with the hydrogen formation apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810490573.5A CN108680006A (en) | 2018-05-21 | 2018-05-21 | A kind of dewaxing-sintering furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810490573.5A CN108680006A (en) | 2018-05-21 | 2018-05-21 | A kind of dewaxing-sintering furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108680006A true CN108680006A (en) | 2018-10-19 |
Family
ID=63807328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810490573.5A Withdrawn CN108680006A (en) | 2018-05-21 | 2018-05-21 | A kind of dewaxing-sintering furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108680006A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2018
- 2018-05-21 CN CN201810490573.5A patent/CN108680006A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181019 |