CN206930163U - Hard alloy scraps high temperature furnace - Google Patents
Hard alloy scraps high temperature furnace Download PDFInfo
- Publication number
- CN206930163U CN206930163U CN201720490812.8U CN201720490812U CN206930163U CN 206930163 U CN206930163 U CN 206930163U CN 201720490812 U CN201720490812 U CN 201720490812U CN 206930163 U CN206930163 U CN 206930163U
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- China
- Prior art keywords
- oil
- collecting device
- pipeline
- hard alloy
- air inlet
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Manufacture And Refinement Of Metals (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model discloses a kind of hard alloy scraps high temperature furnace,Including burner hearth,Gas device,Oil-collecting device,Secondary oil-collecting device,Vacuum system,Gas exhaust piping and air inlet pipeline,The vacuum system is oil-sealed rotary pump,The gas exhaust piping includes first exhaust pipeline,Second exhaust pipeline and the 3rd gas exhaust piping,Four-way connection is provided with the first exhaust pipeline,The one of mouth of four-way connection connects second exhaust pipeline and leads to secondary oil-collecting device,Another mouth of the four-way connection connects an oil-collecting device,The 3rd gas exhaust piping connection burner hearth and an oil-collecting device,Before hard alloy scraps material enters vacuum high-temperature sintering processing,Pre-processed by the first oil-collecting device and the second oil-collecting device,Ethereal oil and low-melting impurities in hard alloy scraps material are removed successively,Ensure the low impurity of hard alloy scraps material during vacuum high-temperature sintering processing,So as to obtain the reclaimed materials of high quality.
Description
Technical field
It the utility model is related to hard alloy recovery of abrasive dust equipment technology field, and in particular to a kind of hard alloy scraps high temperature
Treatment furnace.
Background technology
Hard alloy is high rigidity, high intensity, the material of high abrasion, is obtained for extensively in the various fields of modern industry
Using.Tungsten is non-renewable strategic resources, and global tungsten resource has been on the verge of exhaustion, the height of tungsten resource by the exploitation of last 100 yearses
Effect utilizes and has been replaced into the severe problem that Cemented Carbide Industry faces, and the recycling of scrap hard alloy, which also becomes, is in power must
OK.Since the seventies of last century six, hard alloy scraps recovery is melted with zinc based on method and nitre method.With entering for recovery technology
The improvement of step and reclaimer condition, mechanical crushing method turn into one of prevailing technology of hard alloy scraps recovery.By waste and old hard
By Mechanical Crushing, into after powder, hard metal article is made in alloy again, realizes that hard alloy scraps recycling high-quality and high-efficiency returns
Receipts technology.Patent application unit segments the clean recovery hard alloy scraps abrasive dust in the form of underflow by the trade mark, to the useless hard of recovery
Alloy underflow successively using the processing step such as underflow press filtration, high-temperature process, broken, composition allotment, wet-milling, comprehensive utilization physics with
The advantage of chemical method, have the advantages that technological process is short, energy consumption is low, non-environmental-pollution, efficiency high.At hard alloy scraps high temperature
Stove is managed, is to ensure the successful key equipment of technique.
Utility model content
The purpose of this utility model is to provide a kind of hard alloy scraps high temperature furnace, and concrete technical scheme is as follows：
A kind of hard alloy scraps high temperature furnace, including burner hearth, gas device, an oil-collecting device, secondary oil-collecting device,
Vacuum system, gas exhaust piping and air inlet pipeline, the vacuum system are oil-sealed rotary pump, and the gas exhaust piping includes first exhaust
Pipeline, second exhaust pipeline and the 3rd gas exhaust piping, the air inlet pipeline include the first air inlet pipeline and the second air inlet pipeline, institute
It is one end connection gas device to state the first air inlet pipeline and the second air inlet pipeline, and the other end connects burner hearth, the first exhaust
Pipeline one end connects burner hearth, other end connection vacuum system, burner hearth side is provided with first in the first exhaust pipeline
Valve, four-way connection, the four-way connection are provided between the first valve and vacuum system on the first exhaust pipeline
One of mouth connects second exhaust pipeline and leads to secondary oil-collecting device, and oil dress is once received in the connection of another mouth of the four-way connection
Put, the 3rd valve is arranged between the four-way connection and an oil-collecting device, the 3rd gas exhaust piping connection
Burner hearth and an oil-collecting device, the second valve is provided with the second exhaust pipeline.
First air inlet pipeline is passed through hydrogen, and second air inlet pipeline is passed through argon gas.
The caliber of the first exhaust pipeline, second exhaust pipeline and the 3rd gas exhaust piping is equal.
Filter core and mechanical pump are provided with oil-collecting device, the filter core is disposed in proximity to the 3rd gas exhaust piping
Side.
Filter core and mechanical pump are provided with the secondary oil-collecting device, the filter core is disposed in proximity to second exhaust pipeline
Side.
The hard alloy scraps high temperature furnace, the course of work include：
By the good hard alloy scraps abrasive dust material of press filtration, load the hard alloy scraps high temperature furnace burner hearth；
First valve is opened, and closes the 3rd valve and the second valve, opens vacuum system, the vacuum in burner hearth is extracted into
Below 20Pa, the first valve is then shut off, opens an oil-collecting device, and hydrogen is passed through into burner hearth from the first air inlet pipeline
Gas, temperature in burner hearth is increased to 800 DEG C, is incubated 1 ~ 3h, removes ethereal oil；
An oil-collecting device is closed, the first valve and the second valve is opened, opens secondary oil-collecting device, and enter from second
Argon gas is passed through in tracheae road direction burner hearth, temperature in burner hearth is increased to 1000 ~ 1200 DEG C, is incubated 1 ~ 3h, removes low-melting impurities；
Secondary oil-collecting device is closed, closes the second valve, the first valve is opened, and vacuum system is opened, by temperature in burner hearth
1300 ~ 1500 DEG C are increased to, is incubated 1h；
Temperature in burner hearth is reduced to 100 DEG C, taken out after the hard alloy scraps material cooling in burner hearth.
The technical solution of the utility model has the following advantages that：
Hard alloy scraps material carry out more than 1300 DEG C vacuum high-temperature sintering processing before, by the first oil-collecting device with
Second oil-collecting device is pre-processed, and removes ethereal oil and low-melting impurities in hard alloy scraps material successively, ensures that vacuum is high
The low impurity of hard alloy scraps material during temperature processing, so as to obtain the reclaimed materials of high quality.
Brief description of the drawings
Fig. 1 is hard alloy scraps high temperature furnace schematic diagram.
Embodiment
Following examples are used to illustrate the utility model, but are not limited to the scope of the utility model.
A kind of hard alloy scraps high temperature furnace, including burner hearth 1,2, oil-collecting devices 3 of gas device, secondary oil of receiving fill
Put 4, vacuum system 5, gas exhaust piping and air inlet pipeline, the vacuum system 5 is oil-sealed rotary pump, and the gas exhaust piping includes the
One gas exhaust piping 61, the gas exhaust piping 62 of second exhaust pipeline 63 and the 3rd, the air inlet pipeline include the He of the first air inlet pipeline 81
Second air inlet pipeline 82, the air inlet pipeline 82 of the first air inlet pipeline 81 and second are one end gas device 2, and the other end connects
Burner hearth 1, described one end of first exhaust pipeline 61 connect burner hearth 1, other end connection vacuum system 5, in the first exhaust pipeline
61 are provided with the first valve 72 close to the side of burner hearth 1, the first valve 72 and vacuum system 5 on the first exhaust pipeline 61
Between be provided with four-way connection 64,64 one of mouth of four-way connection connects second exhaust pipeline 63 and leads to secondary oil-collecting device
4, described another mouth of four-way connection 64 connects an oil-collecting device 3, and the 3rd valve 71 is arranged at the four-way connection 64
Between an oil-collecting device 3, the 3rd gas exhaust piping 62 connection burner hearth 1 and an oil-collecting device 3, described second
The second valve 73 is provided with gas exhaust piping 63.
First air inlet pipeline 81 is passed through hydrogen, and second air inlet pipeline 82 is passed through argon gas.
The first exhaust pipeline 61, the caliber of the gas exhaust piping 62 of second exhaust pipeline 63 and the 3rd are equal.
Filter core and mechanical pump are provided with oil-collecting device 3, the filter core is disposed in proximity to the 3rd gas exhaust piping
62 side.
Filter core and mechanical pump are provided with the secondary oil-collecting device 4, the filter core is disposed in proximity to second exhaust pipeline
63 side.
The hard alloy scraps high temperature furnace, the course of work include：
By the good hard alloy scraps abrasive dust material of press filtration, load the hard alloy scraps high temperature furnace burner hearth 1；
First valve 72 is opened, and closes the 3rd valve 71 and the second valve 73, opens vacuum system 5, will be true in burner hearth 1
Reciprocal of duty cycle is extracted into below 20Pa, is then shut off the first valve 72, opens an oil-collecting device 3, and from the first air inlet pipeline 81 to
Hydrogen is passed through in burner hearth 1, temperature in burner hearth 1 is increased to 800 DEG C, is incubated 1 ~ 3h, removes ethereal oil；
An oil-collecting device 3 is closed, opens the first valve 72 and the second valve 73, opens secondary oil-collecting device 4, and from
Second air inlet pipeline 82 is passed through argon gas into burner hearth 1, and temperature in burner hearth 1 is increased into 1000 ~ 1200 DEG C, is incubated 1 ~ 3h, is removed
Low-melting impurities；
Secondary oil-collecting device 4 is closed, closes the second valve 73, opens the first valve 72, vacuum system 5 is opened, by burner hearth 1
Interior temperature is increased to 1300 ~ 1500 DEG C, is incubated 1 hour；
Temperature in burner hearth 1 is reduced to 100 DEG C, taken out after the hard alloy scraps material cooling in burner hearth 1.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, the these modifications or improvements on the basis of without departing from the utility model spirit, belonging to the utility model will
Seek the scope of protection.
Claims (5)
1. a kind of hard alloy scraps high temperature furnace, it is characterised in that including burner hearth, gas device, an oil-collecting device, secondary
Oil-collecting device, vacuum system, gas exhaust piping and air inlet pipeline, the vacuum system are oil-sealed rotary pump, the gas exhaust piping bag
Pipeline containing first exhaust, second exhaust pipeline and the 3rd gas exhaust piping, the air inlet pipeline include the first air inlet pipeline and second
Air inlet pipeline, first air inlet pipeline and the second air inlet pipeline are one end connection gas device, and the other end connects burner hearth, institute
State first exhaust pipeline one end connection burner hearth, other end connection vacuum system, in the first exhaust pipeline close to burner hearth side
The first valve is provided with, is provided with four-way connection between the first valve and vacuum system on the first exhaust pipeline, institute
State the one of mouth of four-way connection and connect second exhaust pipeline and lead to secondary oil-collecting device, another mouth of four-way connection connection one
Secondary oil-collecting device, one the 3rd valve, the 3rd blast pipe are provided between the four-way connection and an oil-collecting device
Road connects burner hearth and an oil-collecting device, and the second valve is provided with the second exhaust pipeline.
2. hard alloy scraps high temperature furnace as claimed in claim 1, it is characterised in that first air inlet pipeline is passed through hydrogen
Gas, second air inlet pipeline are passed through argon gas.
3. hard alloy scraps high temperature furnace as claimed in claim 1, it is characterised in that the first exhaust pipeline, second
The caliber of gas exhaust piping and the 3rd gas exhaust piping is equal.
4. hard alloy scraps high temperature furnace as claimed in claim 1, it is characterised in that set in an oil-collecting device
There are filter core and mechanical pump, the filter core is disposed in proximity to the side of the 3rd gas exhaust piping.
5. hard alloy scraps high temperature furnace as claimed in claim 1, it is characterised in that set in the secondary oil-collecting device
There are filter core and mechanical pump, the filter core is disposed in proximity to the side of second exhaust pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720490812.8U CN206930163U (en) | 2017-05-05 | 2017-05-05 | Hard alloy scraps high temperature furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720490812.8U CN206930163U (en) | 2017-05-05 | 2017-05-05 | Hard alloy scraps high temperature furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206930163U true CN206930163U (en) | 2018-01-26 |
Family
ID=61351106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720490812.8U Expired - Fee Related CN206930163U (en) | 2017-05-05 | 2017-05-05 | Hard alloy scraps high temperature furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206930163U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117025984A (en) * | 2023-09-04 | 2023-11-10 | 西安华力装备科技有限公司 | A method for recycling tungsten alloy scraps |
-
2017
- 2017-05-05 CN CN201720490812.8U patent/CN206930163U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117025984A (en) * | 2023-09-04 | 2023-11-10 | 西安华力装备科技有限公司 | A method for recycling tungsten alloy scraps |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180126 Termination date: 20200505 |
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| CF01 | Termination of patent right due to non-payment of annual fee |