CN203541530U - Grinder end sealing device - Google Patents
Grinder end sealing device Download PDFInfo
- Publication number
- CN203541530U CN203541530U CN201320780728.1U CN201320780728U CN203541530U CN 203541530 U CN203541530 U CN 203541530U CN 201320780728 U CN201320780728 U CN 201320780728U CN 203541530 U CN203541530 U CN 203541530U
- Authority
- CN
- China
- Prior art keywords
- grinder
- pressure
- barrel
- gas
- cylindrical shell
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title abstract description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound data:image/svg+xml;base64,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 data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0nMS4wJyBlbmNvZGluZz0naXNvLTg4NTktMSc/Pgo8c3ZnIHZlcnNpb249JzEuMScgYmFzZVByb2ZpbGU9J2Z1bGwnCiAgICAgICAgICAgICAgeG1sbnM9J2h0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnJwogICAgICAgICAgICAgICAgICAgICAgeG1sbnM6cmRraXQ9J2h0dHA6Ly93d3cucmRraXQub3JnL3htbCcKICAgICAgICAgICAgICAgICAgICAgIHhtbG5zOnhsaW5rPSdodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hsaW5rJwogICAgICAgICAgICAgICAgICB4bWw6c3BhY2U9J3ByZXNlcnZlJwp3aWR0aD0nODVweCcgaGVpZ2h0PSc4NXB4JyB2aWV3Qm94PScwIDAgODUgODUnPgo8IS0tIEVORCBPRiBIRUFERVIgLS0+CjxyZWN0IHN0eWxlPSdvcGFjaXR5OjEuMDtmaWxsOiNGRkZGRkY7c3Ryb2tlOm5vbmUnIHdpZHRoPSc4NS4wJyBoZWlnaHQ9Jzg1LjAnIHg9JzAuMCcgeT0nMC4wJz4gPC9yZWN0Pgo8cGF0aCBjbGFzcz0nYm9uZC0wIGF0b20tMCBhdG9tLTEnIGQ9J00gNjIuNiw0Mi4wIEwgMjEuMiw0Mi4wJyBzdHlsZT0nZmlsbDpub25lO2ZpbGwtcnVsZTpldmVub2RkO3N0cm9rZTojNDI4NEY0O3N0cm9rZS13aWR0aDoxLjBweDtzdHJva2UtbGluZWNhcDpidXR0O3N0cm9rZS1saW5lam9pbjptaXRlcjtzdHJva2Utb3BhY2l0eToxJyAvPgo8cGF0aCBjbGFzcz0nYm9uZC0wIGF0b20tMCBhdG9tLTEnIGQ9J00gNjIuNiwzMC40IEwgMjEuMiwzMC40JyBzdHlsZT0nZmlsbDpub25lO2ZpbGwtcnVsZTpldmVub2RkO3N0cm9rZTojNDI4NEY0O3N0cm9rZS13aWR0aDoxLjBweDtzdHJva2UtbGluZWNhcDpidXR0O3N0cm9rZS1saW5lam9pbjptaXRlcjtzdHJva2Utb3BhY2l0eToxJyAvPgo8cGF0aCBjbGFzcz0nYm9uZC0wIGF0b20tMCBhdG9tLTEnIGQ9J00gNjIuNiw1My42IEwgMjEuMiw1My42JyBzdHlsZT0nZmlsbDpub25lO2ZpbGwtcnVsZTpldmVub2RkO3N0cm9rZTojNDI4NEY0O3N0cm9rZS13aWR0aDoxLjBweDtzdHJva2UtbGluZWNhcDpidXR0O3N0cm9rZS1saW5lam9pbjptaXRlcjtzdHJva2Utb3BhY2l0eToxJyAvPgo8dGV4dCB4PSc2NC4wJyB5PSc1My42JyBjbGFzcz0nYXRvbS0wJyBzdHlsZT0nZm9udC1zaXplOjIzcHg7Zm9udC1zdHlsZTpub3JtYWw7Zm9udC13ZWlnaHQ6bm9ybWFsO2ZpbGwtb3BhY2l0eToxO3N0cm9rZTpub25lO2ZvbnQtZmFtaWx5OnNhbnMtc2VyaWY7dGV4dC1hbmNob3I6c3RhcnQ7ZmlsbDojNDI4NEY0JyA+TjwvdGV4dD4KPHRleHQgeD0nNi4xJyB5PSc1My42JyBjbGFzcz0nYXRvbS0xJyBzdHlsZT0nZm9udC1zaXplOjIzcHg7Zm9udC1zdHlsZTpub3JtYWw7Zm9udC13ZWlnaHQ6bm9ybWFsO2ZpbGwtb3BhY2l0eToxO3N0cm9rZTpub25lO2ZvbnQtZmFtaWx5OnNhbnMtc2VyaWY7dGV4dC1hbmNob3I6c3RhcnQ7ZmlsbDojNDI4NEY0JyA+TjwvdGV4dD4KPC9zdmc+Cg== N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 20
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound 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[Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 19
- 239000007789 gas Substances 0.000 abstract description 17
- 229910052782 aluminium Inorganic materials 0.000 abstract description 16
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 7
- 238000000227 grinding Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000000498 ball milling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
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- 241001489523 Coregonus artedi Species 0.000 description 1
- 206010020852 Hypertonia Diseases 0.000 description 1
- 208000008425 Protein Deficiency Diseases 0.000 description 1
- 238000005039 chemical industry Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- 238000010301 surface-oxidation reaction Methods 0.000 description 1
Abstract
The utility model discloses a grinder end sealing device. The grinder end sealing device comprises a barrel and a bearing pedestal, wherein bearings at the two ends of the barrel are arranged on the bearing pedestal, the bearing at one end of the barrel is a hollow bearing which is provided with a gas inlet pipe and a pressure releasing pipe, two gas valves are arranged on the gas inlet pipe, a gas pressure gauge and a pressure release valve are arranged on the pressure releasing pipe, and the pressure release valve is located on the outer side of the gas pressure gauge. In order to prevent an aluminum sheet from being oxidized by air when the aluminum sheet is grinded in a grinder, the gas inlet pipe communicated with a nitrogen tank is arranged at one end of the barrel of the grinder, after grinding material is put in the grinder, nitrogen is injected into the barrel through the gas inlet pipe, and therefore the material in the barrel is in an oxygen-free state; the gas pressure gauge is arranged on the pressure releasing pipe, when the grinder is in a working state, inner gas pressure is increased, when it is displayed that the gas pressure in the barrel is overlarge through the gas pressure gauge, gas can be exhausted through the pressure release valve of the pressure releasing pipe, and the inside of the barrel of the grinder is kept within a safety gas pressure value range.
Description
Technical field
The utility model relates to a kind of servicing unit of chemical industry equipment, particularly a kind of end fitting of grinder.
Background technology
At present, aluminum paste production technology is generally wet ball grinding technique, ball aluminum powder is ground to form to the flaky aluminum particle of appropriate particle size, then carries out the operations such as classification, Separation of Solid and Liquid, surface treatment, make the aluminium pigment of different size, wherein most important operation is exactly ball milling film-making link.This link is according to the factory formula of different product, to in the inputs such as the aluminium powder of different specifications and certain mass, solvent naphtha, grinding aid, have in the grinder of steel ball of given size and quality, under certain temperature and pressure condition, while utilizing grinder to rotate, between steel ball and grinder inwall, steel ball impulsive force each other, by the ball aluminum powder slabbing structure that extends.Grinder is in sealing situation, to carry out ball milling in working order time, the temperature of grinder inside is raise, produce certain pressure, but hypertonia can cause damage to grinder, even can cause production accident, if grinder internal environment is unstable, will cause the difference between product batches excessive, particle diameter skewness.Traditional grinder does not have releasing pressure automatically function, in order to guarantee that pressure in grinder cylindrical shell can only manually open air valve and carry out pressure release in safe range.In addition, in the use procedure of grinder, when aluminum feedstock grinds in grinder, in high temperature aerobic state, easily cause the obfuscation of aluminum paste surface oxidation, directly affect brightness and the whiteness of aluminum paste.In order to guarantee the crushing effect of aluminum feedstock, avoid aluminium liquid and airborne oxygen generation oxidation reaction and affect the quality of aluminum paste, how to discharge the air in grinder and make to grind and carry out under non-oxygen condition, be the problem that should solve.
For above-mentioned deficiency, a kind of servicing unit of grinder need to be provided, can make air pressure in grinder in rational state, and in its cylindrical shell, keep anaerobic state can make grinder in working order time, improve the quality of aluminum paste.
Utility model content
In view of this, the utility model provides a kind of grinder end closing device, can guarantee that pressure in grinder cylindrical shell is in safe range, can also make to keep anaerobic state in cylindrical shell, improves the quality of aluminum paste.
The utility model solves the problems of the technologies described above by following technological means: a kind of grinder end closing device, comprise cylindrical shell and bearing block, the bearing at cylindrical shell two ends is arranged on bearing block, the bearing of described cylindrical shell one end is hollow bearing, described hollow bearing is provided with air inlet pipe and discharge pressure pipe, described air inlet pipe is provided with two air valves, and described discharge pressure pipe is provided with air gauge and relief valve, and relief valve is positioned at barometric outside.
Further, described relief valve is Spring-Loaded Pressure Relief Valve.
Further, described air gauge is alarm pressure table.
The beneficial effects of the utility model: grinder of the present utility model end closing device, comprise cylindrical shell and bearing block, the bearing at cylindrical shell two ends is arranged on bearing block, the bearing of described cylindrical shell one end is hollow bearing, described hollow bearing is provided with air inlet pipe and discharge pressure pipe, described air inlet pipe is provided with two air valves, and described discharge pressure pipe is provided with air gauge and relief valve, and relief valve is positioned at barometric outside.Oxidation by air while grinding in grinder for fear of aluminium flake, end at grinder cylindrical shell arranges the air inlet pipe being communicated with nitrogen pot, in grinder, pack into after grinding material, by air inlet pipe, in cylindrical shell, pass into nitrogen, make material in cylindrical shell in anaerobic state; Air gauge is set on discharge pressure pipe, when grinder in working order time air pressure inside raise, when Pressure gauge shows that cylindrical shell internal gas pressure is excessive, can discharge gas by the relief valve of discharge pressure pipe, keep in grinder cylindrical shell in safe atmospheric pressure value scope.Described air inlet pipe is provided with two air valves, first open the air valve away from cylindrical shell when passing into nitrogen in cylindrical shell, while stopping passing into nitrogen, first close the air valve near cylindrical shell, can guarantee all the time to there will not be in air inlet pipe like this material of adverse current, guaranteed the unimpeded of air inlet pipe.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described.
Fig. 1 is structural representation of the present utility model.
The specific embodiment
Below with reference to accompanying drawing, the utility model is elaborated, as shown in the figure: the grinder end closing device of the present embodiment, comprise cylindrical shell 1 and bearing block 2, the bearing at cylindrical shell two ends is arranged on bearing block, the bearing of described cylindrical shell one end is hollow bearing 3, and described hollow bearing is provided with air inlet pipe 4 and discharge pressure pipe 5, and described air inlet pipe is provided with two air valves 6, described discharge pressure pipe is provided with air gauge 7 and relief valve 8, and described relief valve is positioned at barometric outside.In the end of grinder, air inlet pipe and discharge pressure pipe are set, air inlet pipe for packing into after grinding material in grinder, be communicated with in grinder cylindrical shell and pass into nitrogen with nitrogen pot, air is discharged from discharging opening, make in cylindrical shell in anaerobic state, oxidized while avoiding aluminum feedstock to grind in grinder, affect the quality of aluminum paste; Discharge pressure pipe, for discharge gas when cylindrical shell internal gas pressure is too high, when the air gauge on discharge pressure pipe shows that atmospheric pressure value is too high, is opened the outside exhaust of relief valve, makes to return in cylindrical shell safe atmospheric pressure value scope.Described air inlet pipe is provided with two air valves, first open the air valve away from cylindrical shell when passing into nitrogen in cylindrical shell, while stopping passing into nitrogen, first close the air valve near cylindrical shell, can guarantee all the time to there will not be in air inlet pipe like this material of adverse current, guaranteed the unimpeded of air inlet pipe.
As the further improvement of technique scheme, described relief valve 8 is Spring-Loaded Pressure Relief Valve.Relief valve is preferably Spring-Loaded Pressure Relief Valve, when pressure in cylindrical shell is excessive, can automatically open pressure release, guarantees in cylindrical shell in safe pressure value range.
As the further improvement of technique scheme, described air gauge 7 is alarm pressure table.Barometric setting is convenient to directly observe the environmental pressure in cylindrical shell, be preferably alarm pressure table, when relief valve cisco unity malfunction, if when the atmospheric pressure value in grinder cylindrical shell is excessive, can deliver in time alarm, remind the manually opened relief valve pressure release of operating personnel, improved the security guarantee of producing.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (3)
1. a grinder end closing device, comprise cylindrical shell (1) and bearing block (2), the bearing at cylindrical shell two ends is arranged on bearing block, it is characterized in that: the bearing of described cylindrical shell one end is hollow bearing (3), described hollow bearing is provided with air inlet pipe (4) and discharge pressure pipe (5), described air inlet pipe is provided with two air valves (6), and described discharge pressure pipe is provided with air gauge (7) and relief valve (8), and described relief valve is positioned at barometric outside.
2. grinder according to claim 1 end closing device, is characterized in that: described relief valve (8) is Spring-Loaded Pressure Relief Valve.
3. grinder according to claim 2 end closing device, is characterized in that: described air gauge (7) is alarm pressure table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320780728.1U CN203541530U (en) | 2013-11-29 | 2013-11-29 | Grinder end sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320780728.1U CN203541530U (en) | 2013-11-29 | 2013-11-29 | Grinder end sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203541530U true CN203541530U (en) | 2014-04-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320780728.1U Expired - Fee Related CN203541530U (en) | 2013-11-29 | 2013-11-29 | Grinder end sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203541530U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018112411A1 (en) * | 2018-05-24 | 2019-11-28 | Netzsch Trockenmahltechnik Gmbh | Process and plant for the production of a starting material for the production of rare earth magnets |
-
2013
- 2013-11-29 CN CN201320780728.1U patent/CN203541530U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018112411A1 (en) * | 2018-05-24 | 2019-11-28 | Netzsch Trockenmahltechnik Gmbh | Process and plant for the production of a starting material for the production of rare earth magnets |
| US11309127B2 (en) | 2018-05-24 | 2022-04-19 | Netzsch Trockenmahltechnik Gmbh | Method and plant for the production of a starting material for the production of rare earth magnets |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20141129 |
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| EXPY | Termination of patent right or utility model |