CN105501718A - Fast oxygen exhaust system for powder silo - Google Patents
Fast oxygen exhaust system for powder silo Download PDFInfo
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- CN105501718A CN105501718A CN201510869979.0A CN201510869979A CN105501718A CN 105501718 A CN105501718 A CN 105501718A CN 201510869979 A CN201510869979 A CN 201510869979A CN 105501718 A CN105501718 A CN 105501718A
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- powder material
- material tank
- way pipeline
- port
- powder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/74—Large containers having means for heating, cooling, aerating or other conditioning of contents
Abstract
The invention discloses a fast oxygen exhaust system for a powder silo. The fast oxygen exhaust system comprises the powder silo, a four-way pipeline and an oxygen content meter; the powder silo is used for collecting and storing neodymium iron boron permanent magnet material powder formed by airflow in a grinding mode, and a gas inlet valve is installed at the top end of the powder silo; the four-way pipeline is provided with four ports, the first port is connected to the gas inlet valve at the top end of the powder silo, the second port is connected to a vacuum pump for carrying out the vacuumizing operation, and the third port is communicated with a nitrogen gas source; the oxygen content meter is connected to the fourth port of the four-way pipeline and is used for detecting the content of oxygen in the silo in real time. According to the invention, the gas inlet valve is additionally installed on the powder silo, the four-way pipeline is connected to the rotary-vane vacuum pump, the rotary-vane vacuum pump is started for carrying out the vacuumizing operation, then nitrogen gas or argon gas fills the powder silo, and therefore fast oxygen exhaust can be realized, the oxygen content can reach the use standard, and fast detection can be realized.
Description
Technical field
The present invention relates to neodymium-iron-boron powder and produce sintering art, particularly a kind of quick deoxygenation system of powder material tank.
Background technology
At present, the high-performance Ne-Fe-B permanent-magnet material powder that known airflow milling is made very easily is oxidized, general tailored flour tank collection storage, powder material tank needs through residual clearly before use, leak detection, deoxygenation, deoxygenation mainly uses nitrogen or argon gas, the powder material tank reaching usage condition after deoxygenation just can carry out powder process (in tank, gas oxygen content is less than 10ppm), current is sealed by the iron plug of tank mouth rubber coating to powder material tank deoxygenation method, plug has 2 holes, one is induction opening, a deflation hole, induction opening is communicated with nitrogen (argon gas) source, inflate in tank, in compressed tanks, air is discharged from deflation hole, like this, along with the prolongation of time, in tank, gas oxygen content is more and more lower, until reach oxygen content usage condition, then gum cover clamping bar is clamped, powder material tank after such deoxygenation completes can put into production use.
But current deoxygenation not easily detects oxygen content in tank, just rule of thumb carry out, general according to powder tank size deoxygenation 6-8 hour, so the deoxygenation time is long, and in tank, the concrete numerical value of oxygen content does not show, thus has influence on the normal use of powder tank.
The information being disclosed in this background technology part is only intended to increase the understanding to general background of the present invention, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Summary of the invention
The object of the present invention is to provide a kind of quick deoxygenation system of simple and reasonable powder material tank, the quick deoxygenation system of this powder material tank by increasing air intake valve on powder material tank, and be connected with rotary-vane vaccum pump by four-way pipeline, vacuumize by starting rotary-vane vaccum pump, then nitrogen or argon gas is filled with, deoxygenation can be realized fast, make oxygen content reach use standard, and realize detecting fast.
For achieving the above object, according to the quick deoxygenation system that the invention provides a kind of powder material tank, comprising: powder material tank, its Nd-Fe-Bo permanent magnet material powder made for collection storage airflow milling, the top of this powder material tank is provided with air intake valve; Four-way pipeline, it has four ports, and wherein the first port is connected with the air intake valve on described powder material tank top, and the second port of this four-way pipeline is connected with vacuum pump, carries out vacuumizing work; 3rd port of this four-way pipeline is communicated with source nitrogen; And oxygen content table, it is connected with the 4th port of described four-way pipeline, for immediately detecting oxygen content in tank.
Preferably, in technique scheme, the first port of four-way pipeline is provided with give vent to anger valve and fast spigot joint, and the air intake valve on described powder material tank top is connected with fast spigot joint by PU pipe.
Preferably, in technique scheme, air intake valve is ball valve; Described valve of giving vent to anger is ball valve.
Preferably, in technique scheme, vacuum pump is rotary-vane vaccum pump.
Preferably, in technique scheme, four-way pipeline is also provided with compression indicator.
Compared with prior art, the present invention has following beneficial effect: the quick deoxygenation system of this powder material tank by increasing air intake valve on powder material tank, and be connected with rotary-vane vaccum pump by four-way pipeline, vacuumize by starting rotary-vane vaccum pump, then nitrogen or argon gas is filled with, deoxygenation can be realized fast, make oxygen content reach use standard, and realize detecting fast.
Accompanying drawing explanation
Fig. 1 is the structural representation of the quick deoxygenation system of powder material tank of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of detailed description of the invention.
Clearly represent unless otherwise other, otherwise in whole specification sheets and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or component part, and do not get rid of other element or other component part.
As shown in Figure 1, comprise according to the concrete structure of the quick deoxygenation system of the powder material tank of the specific embodiment of the invention: powder material tank 1, four-way pipeline 5, oxygen content table 6 and vacuum pump 7.Wherein, powder material tank 1 increases air intake valve, and is connected with vacuum pump 7 by four-way pipeline 5, by starting vacuum pump, powder material tank 1 is vacuumized, then by four-way pipeline 5, nitrogen or argon gas are filled with to rear powder material tank 1, the deoxygenation of powder material tank 1 can be realized fast, make oxygen content reach use standard.In addition, four-way pipeline 5 is also connected with oxygen content table 6, and oxygen content table 6 can detect oxygen content in tank immediately, to realize quick detection.The quick deoxygenation system of this powder material tank is vacuumized by vacuum pump, is then filled with nitrogen or argon gas, can realizes deoxygenation fast, and realizes detecting fast.
Specifically, the high-performance Ne-Fe-B permanent-magnet material powder that powder material tank 1 is made for collection storage airflow milling, high-performance Ne-Fe-B permanent-magnet material powder is through residual clearly, leak detection, deoxygenation in this powder material tank, and the powder material tank reaching usage condition after deoxygenation just can carry out powder process.The deoxygenation of powder material tank 1 mainly uses nitrogen or argon gas.The top of powder material tank 1 is provided with air intake valve 2, for being connected with vacuum pump 7 by four-way pipeline 5, vacuumizes powder material tank 1 by starting vacuum pump.Preferably, this air intake valve 2 is ball valve.
Four-way pipeline 5 has four ports, wherein the first port is provided with give vent to anger valve 8 and fast spigot joint 3, the air intake valve 2 on powder material tank 1 top is connected with fast spigot joint 3 by PU pipe, and the second port of four-way pipeline 5 is connected with vacuum pump 7, carries out vacuumizing work.3rd port of four-way pipeline 5 is communicated with source nitrogen, is filled with nitrogen after evacuation.4th port of four-way pipeline 5 connects oxygen content table 6, can immediately detect oxygen content in tank.Four-way pipeline 5 is also provided with compression indicator 4 to realize immediately detecting tank internal pressure.
Preferably, this valve 8 of giving vent to anger is for ball valve.Vacuum pump 7 is rotary-vane vaccum pump.
Second port of four-way pipeline 5 is connected with vacuum pump 7, vacuumizes work to powder material tank 1, and the 3rd port of four-way pipeline 5 is communicated with source nitrogen, is filled with nitrogen after evacuation.By compression indicator 4 subsidiary on four exchange devices, realize instant detection tank internal pressure, and the 4th port of four exchange devices connects oxygen content table 6 simultaneously, immediately can detect oxygen content in tank; Concrete deoxygenation method is: open vacuum pump evacuation, and first time is filled with nitrogen and is about 0.02MPa after taking out 15 minutes, after second time takes out 10 minutes, be filled with nitrogen and be about 0.02MPa, survey oxygen content in tank, after taking out 10 minutes for the third time, be filled with nitrogen and be about 0.02MPa, survey oxygen content in tank and reach below 10ppm, deoxygenation completes, and powder material tank can put into production use, achieve the target of quick deoxygenation like this, deoxygenation effect reaches effective guarantee.
To sum up, the quick deoxygenation system of this powder material tank by increasing air intake valve on powder material tank, and be connected with rotary-vane vaccum pump by four-way pipeline, vacuumize by starting rotary-vane vaccum pump, then nitrogen or argon gas is filled with, deoxygenation can be realized fast, make oxygen content reach use standard, and realize detecting fast.
The aforementioned description to concrete exemplary of the present invention is to illustrate and the object of illustration.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present invention and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present invention and various different selection and change.Scope of the present invention is intended to limited by claims and equivalents thereof.
Claims (5)
1. a quick deoxygenation system for powder material tank, is characterized in that, comprising:
Powder material tank, its Nd-Fe-Bo permanent magnet material powder made for collection storage airflow milling, the top of this powder material tank is provided with air intake valve;
Four-way pipeline, it has four ports, and wherein the first port is connected with the air intake valve on described powder material tank top, and the second port of this four-way pipeline is connected with vacuum pump, carries out vacuumizing work; 3rd port of this four-way pipeline is communicated with source nitrogen; And
Oxygen content table, it is connected with the 4th port of described four-way pipeline, for immediately detecting oxygen content in tank.
2. the quick deoxygenation system of powder material tank according to claim 1, is characterized in that, the first port of described four-way pipeline is provided with give vent to anger valve and fast spigot joint, and the air intake valve on described powder material tank top is connected with fast spigot joint by PU pipe.
3. the quick deoxygenation system of powder material tank according to claim 1, is characterized in that, described air intake valve is ball valve; Described valve of giving vent to anger is ball valve.
4. the quick deoxygenation system of powder material tank according to claim 1, is characterized in that, described vacuum pump is rotary-vane vaccum pump.
5. the quick deoxygenation system of powder material tank according to claim 1, is characterized in that, described four-way pipeline is also provided with compression indicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510869979.0A CN105501718A (en) | 2015-12-01 | 2015-12-01 | Fast oxygen exhaust system for powder silo |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510869979.0A CN105501718A (en) | 2015-12-01 | 2015-12-01 | Fast oxygen exhaust system for powder silo |
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| Publication Number | Publication Date |
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| CN105501718A true CN105501718A (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510869979.0A Pending CN105501718A (en) | 2015-12-01 | 2015-12-01 | Fast oxygen exhaust system for powder silo |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109229924A (en) * | 2018-09-18 | 2019-01-18 | 安徽宁磁电子科技有限公司 | powder protective device |
| CN112027380A (en) * | 2020-08-25 | 2020-12-04 | 西北工业大学 | Storage system for metal powder and use method thereof |
| CN112594544A (en) * | 2020-12-11 | 2021-04-02 | 宜春市富锐气体有限责任公司 | Filling and exhausting vacuum-pumping equipment for argon production |
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| CN1410205A (en) * | 2001-09-21 | 2003-04-16 | 吴庆林 | Neodymium iron boron alloy powder deep processing technology |
| CN201770197U (en) * | 2010-07-16 | 2011-03-23 | 马跃华 | Transitional storage tank device for neodymium iron boron alloy molded blanks |
| CN202336579U (en) * | 2011-12-01 | 2012-07-18 | 宁波科宁达工业有限公司 | Row-type vacuum nitrogen box |
| CN202778652U (en) * | 2012-09-11 | 2013-03-13 | 江西磊源永磁材料有限公司 | Jet mill removing oxygen by circulating flow |
| CN103177867A (en) * | 2013-03-27 | 2013-06-26 | 山西恒立诚磁业有限公司 | Preparation method and device of sintering neodymium iron boron permanent magnet |
| CN203667033U (en) * | 2013-11-25 | 2014-06-25 | 宁波科宁达工业有限公司 | Stripping and storage device for sintered Nd-Fe-B compacts |
| US20150069677A1 (en) * | 2013-06-17 | 2015-03-12 | Miha Zakotnik | Mixing Apparatus for Magnet Recycling |
-
2015
- 2015-12-01 CN CN201510869979.0A patent/CN105501718A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1410205A (en) * | 2001-09-21 | 2003-04-16 | 吴庆林 | Neodymium iron boron alloy powder deep processing technology |
| CN201770197U (en) * | 2010-07-16 | 2011-03-23 | 马跃华 | Transitional storage tank device for neodymium iron boron alloy molded blanks |
| CN202336579U (en) * | 2011-12-01 | 2012-07-18 | 宁波科宁达工业有限公司 | Row-type vacuum nitrogen box |
| CN202778652U (en) * | 2012-09-11 | 2013-03-13 | 江西磊源永磁材料有限公司 | Jet mill removing oxygen by circulating flow |
| CN103177867A (en) * | 2013-03-27 | 2013-06-26 | 山西恒立诚磁业有限公司 | Preparation method and device of sintering neodymium iron boron permanent magnet |
| US20150069677A1 (en) * | 2013-06-17 | 2015-03-12 | Miha Zakotnik | Mixing Apparatus for Magnet Recycling |
| CN203667033U (en) * | 2013-11-25 | 2014-06-25 | 宁波科宁达工业有限公司 | Stripping and storage device for sintered Nd-Fe-B compacts |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109229924A (en) * | 2018-09-18 | 2019-01-18 | 安徽宁磁电子科技有限公司 | powder protective device |
| CN112027380A (en) * | 2020-08-25 | 2020-12-04 | 西北工业大学 | Storage system for metal powder and use method thereof |
| CN112594544A (en) * | 2020-12-11 | 2021-04-02 | 宜春市富锐气体有限责任公司 | Filling and exhausting vacuum-pumping equipment for argon production |
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Application publication date: 20160420 |
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