CN209726778U - A kind of Muffle furnace hydrogen shield air curtain apparatus - Google Patents
A kind of Muffle furnace hydrogen shield air curtain apparatus Download PDFInfo
- Publication number
- CN209726778U CN209726778U CN201821945537.5U CN201821945537U CN209726778U CN 209726778 U CN209726778 U CN 209726778U CN 201821945537 U CN201821945537 U CN 201821945537U CN 209726778 U CN209726778 U CN 209726778U
- Authority
- CN
- China
- Prior art keywords
- hydrogen
- air curtain
- furnace body
- furnace
- tracheae
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- 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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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 77
- 239000001257 hydrogen Substances 0.000 title claims abstract description 62
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 62
- 238000010079 rubber tapping Methods 0.000 claims description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims description 5
- 239000011733 molybdenum Substances 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 229910001182 Mo alloy Inorganic materials 0.000 abstract description 6
- MGRWKWACZDFZJT-UHFFFAOYSA-N molybdenum tungsten Chemical compound [Mo].[W] MGRWKWACZDFZJT-UHFFFAOYSA-N 0.000 abstract description 6
- 150000002431 hydrogen Chemical class 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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Abstract
The utility model creation is related to a kind of Muffle furnace hydrogen shield air curtain apparatus; including furnace body and bracket; furnace body is fixed on bracket; furnace body one end is equipped with hydrogen gas pipe, and it is furnace body feed inlet on the inside of furnace body feeding gate that the other end, which is equipped with hydrogen escape pipe; the bottom plate of furnace body feed inlet is equipped with linear type hydrogen air curtain slot; hydrogen air curtain tracheae is arranged below in the bottom plate of furnace body feed inlet, and air curtain slot is connected with air curtain tracheae, and hydrogen air curtain tracheae is connected by appendix with hydrogen gas pipe.The side of institute's hydrogen air curtain tracheae is equipped with the continuously arranged venthole of several linear types, and venthole corresponds to the hydrogen air curtain slot；Appendix is connected to by the first air valve with hydrogen air curtain tracheae.Hydrogen air curtain slot is arranged in the utility model on furnace body feed inlet bottom plate, and air can be effectively prevent to enter in Muffle furnace and mixed with hydrogen, to improve the safety of tungsten-molybdenum alloy Muffle furnace.The utility model structure is simple, safe and reliable.
Description
Technical field
It is especially a kind of for processing the Muffle furnace hydrogen of sintering tungsten-molybdenum alloy the utility model relates to Muffle furnace technical field
Gas shielded air curtain apparatus.
Background technique
Non-ferrous metal tungsten and molybdenum belong to refractory metal, and the production of existing tungsten-molybdenum alloy is generally by powder metallurgy sintered
Method is processed, and production process is usually that the molybdenum boat for being loaded with material is put into progress high temperature sintering processing in Muffle furnace, sintering
In the process using hydrogen as protective gas.
Currently, the Muffle furnace of traditional processing tungsten-molybdenum alloy generally has simple gate and two-door two kinds of structures, the charging of simple gate Muffle furnace
Or discharging requires to carry out enabling operation, not can be carried out continuous production, the degree of automation is low, is not suitable for batch production.Two-door horse
Not furnace uses an endfeed, and the production method of other end discharging, the degree of automation and production efficiency increase.On but
State two breeds of horses not furnace in charging or discharging, all can when carrying out switch gate operation, a small amount of air outside furnace enter in furnace and with
Hydrogen mixing can even hurt sb.'s feelings so as to generate " blowing out " phenomenon because of " blowing out " sometimes.Therefore, existing Muffle furnace production
There is some potential safety problems in the process.
Utility model content
For the deficiency of the above existing Muffle furnace, the purpose of the utility model is to provide one kind can effectively prevent air into
Enter and mixed in Muffle furnace with hydrogen, improves the hydrogen shield air curtain apparatus of tungsten-molybdenum alloy Muffle furnace safety.
The purpose of this utility model is achieved by the following technical solution:
Muffle furnace hydrogen shield air curtain apparatus, including furnace body and bracket, furnace body are fixed on bracket, and furnace body one end is equipped with hydrogen
Gas air inlet pipe, the other end are equipped with hydrogen escape pipe, and furnace body side is equipped with feeding gate, and the other side is equipped with discharge door, is equipped in furnace body
It is furnace body feed inlet on the inside of the furnace body feeding gate for placing the molybdenum boat of material, the bottom plate of furnace body feed inlet is equipped with one
Hydrogen air curtain tracheae is arranged below in font hydrogen air curtain slot, the bottom plate of furnace body feed inlet, and the air curtain slot is connected with air curtain tracheae
Logical, hydrogen air curtain tracheae is connected by appendix with hydrogen gas pipe.
As the optimal technical scheme of the utility model, it is continuous that the side of the hydrogen air curtain tracheae is equipped with several linear types
The venthole of arrangement, the venthole correspond to the hydrogen air curtain slot.
As the optimal technical scheme of the utility model, the appendix is connected by the first air valve and hydrogen air curtain tracheae
It is logical.
As the optimal technical scheme of the utility model, threeway is equipped between the hydrogen air curtain tracheae and the first air valve,
The threeway is connected to by the second air valve with combustion of hydrogen mouth.
As the optimal technical scheme of the utility model, third air valve is equipped between the appendix and hydrogen gas pipe.
As the optimal technical scheme of the utility model, feeding-passage is equipped between the feeding gate and furnace body of the furnace body,
Tapping channel is equipped between discharge door and furnace body；The hydrogen gas pipe is located on the shell of tapping channel, and hydrogen escape pipe is set
On the shell of feeding-passage；The hydrogen gas pipe and hydrogen escape pipe are connected with the intracorporal furnace chamber of furnace respectively.
The beneficial effects of the utility model are: compared with the existing technology, the utility model is set on furnace body feed inlet bottom plate
Hydrogen air curtain slot is set, air can be effectively prevent to enter in Muffle furnace and mixed with hydrogen, to improve tungsten-molybdenum alloy Muffle furnace
Safety.The utility model structure is simple, safe and reliable, and is conducive to improve working environment quality.
Detailed description of the invention
The utility model is described in further detail with specific embodiment with reference to the accompanying drawing:
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the utility model furnace body feed inlet.
In figure: 1, bracket, 2, furnace body, 3, hydrogen gas pipe, 4, hydrogen escape pipe, 5, feeding gate, 6, discharge door, 7, charging
Channel, 8, tapping channel, 9, furnace body feed inlet, 10, hydrogen air curtain tracheae, 11, appendix, the 12, first air valve, 13, burner.
Specific embodiment
As depicted in figs. 1 and 2, Muffle furnace hydrogen shield air curtain apparatus, including furnace body 2 and bracket 1, furnace body 2 are fixed on branch
On frame 1,2 one end of furnace body is equipped with hydrogen gas pipe 3, and the other end is equipped with hydrogen escape pipe 4, and 2 side of furnace body is equipped with feeding gate 5, separately
Side is equipped with discharge door 6, is equipped with the molybdenum boat for placing material in furnace body 2, the inside of 2 feeding gate 5 of furnace body be furnace body into
The bottom plate of material mouth 9, furnace body feed inlet 9 is equipped with linear type hydrogen air curtain slot, and hydrogen wind is arranged below in the bottom plate of furnace body feed inlet 9
Curtain tracheae 10, the air curtain slot are connected with air curtain tracheae 10, and hydrogen air curtain tracheae 10 passes through appendix 11 and hydrogen gas pipe 3
It is connected.
In the present embodiment, the side of the hydrogen air curtain tracheae 10 is equipped with the continuously arranged venthole of several linear types, out
Stomata corresponds to hydrogen air curtain slot.The appendix 11 is connected to by the first air valve 12 with hydrogen air curtain tracheae 10.Hydrogen air curtain
Threeway is equipped between tracheae 10 and the first air valve 12, threeway is connected to by the second air valve with combustion of hydrogen mouth 13；Appendix 11 with
Third air valve is equipped between hydrogen gas pipe 3.
Feeding-passage 7 is equipped between the feeding gate 5 and furnace body 2 of furnace body 2 described in the present embodiment, between discharge door 6 and furnace body 2
Equipped with tapping channel 8；The hydrogen gas pipe 3 is located on the shell of tapping channel 8, and hydrogen escape pipe 4 is located at feeding-passage 7
On shell；Hydrogen gas pipe 3 and hydrogen escape pipe 4 are connected with the furnace chamber in furnace body 2 respectively.
Above-described embodiment is only limitted to illustrate the design of the utility model and technical characteristic, and its object is to allow the skill of this field
Art personnel understand the technical solution and embodiment of utility model, can not limit the protection scope of the utility model accordingly.It is all
It is equivalent replacement or equivalence changes according to made by technical solutions of the utility model, should all covers in the utility model claims
Within the protection scope of book.
Claims (6)
1. a kind of Muffle furnace hydrogen shield air curtain apparatus, including furnace body and bracket, furnace body are fixed on bracket, furnace body one end is equipped with
Hydrogen gas pipe, the other end are equipped with hydrogen escape pipe, and furnace body side is equipped with feeding gate, and the other side is equipped with discharge door, sets in furnace body
There is the molybdenum boat for placing material, it is characterized in that: being furnace body feed inlet, the bottom of furnace body feed inlet on the inside of the furnace body feeding gate
Plate is equipped with linear type hydrogen air curtain slot, and hydrogen air curtain tracheae, the air curtain slot and wind is arranged below in the bottom plate of furnace body feed inlet
Curtain tracheae is connected, and hydrogen air curtain tracheae is connected by appendix with hydrogen gas pipe.
2. Muffle furnace hydrogen shield air curtain apparatus according to claim 1, it is characterized in that: the one of the hydrogen air curtain tracheae
Side is equipped with the continuously arranged venthole of several linear types, and the venthole corresponds to the hydrogen air curtain slot.
3. Muffle furnace hydrogen shield air curtain apparatus according to claim 1 or 2, it is characterized in that: the appendix passes through the
One air valve is connected to hydrogen air curtain tracheae.
4. Muffle furnace hydrogen shield air curtain apparatus according to claim 3, it is characterized in that: the hydrogen air curtain tracheae and
Threeway is equipped between one air valve, the threeway is connected to by the second air valve with combustion of hydrogen mouth.
5. Muffle furnace hydrogen shield air curtain apparatus according to claim 4, it is characterized in that: the appendix and hydrogen gas
Third air valve is equipped between pipe.
6. Muffle furnace hydrogen shield air curtain apparatus according to claim 1, it is characterized in that: the feeding gate and furnace of the furnace body
It is equipped with feeding-passage between body, tapping channel is equipped between discharge door and furnace body；The hydrogen gas pipe is located at tapping channel
On shell, hydrogen escape pipe is located on the shell of feeding-passage；The hydrogen gas pipe and hydrogen escape pipe are respectively and in furnace body
Furnace chamber be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821945537.5U CN209726778U (en) | 2018-11-24 | 2018-11-24 | A kind of Muffle furnace hydrogen shield air curtain apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821945537.5U CN209726778U (en) | 2018-11-24 | 2018-11-24 | A kind of Muffle furnace hydrogen shield air curtain apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209726778U true CN209726778U (en) | 2019-12-03 |
Family
ID=68658618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821945537.5U Expired - Fee Related CN209726778U (en) | 2018-11-24 | 2018-11-24 | A kind of Muffle furnace hydrogen shield air curtain apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209726778U (en) |
-
2018
- 2018-11-24 CN CN201821945537.5U patent/CN209726778U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191203 |