CN107058778B - A kind of THROUGH METHOD prepares the calcium oxide particle removal device of foamed aluminium - Google Patents
A kind of THROUGH METHOD prepares the calcium oxide particle removal device of foamed aluminium Download PDFInfo
- Publication number
- CN107058778B CN107058778B CN201710078711.4A CN201710078711A CN107058778B CN 107058778 B CN107058778 B CN 107058778B CN 201710078711 A CN201710078711 A CN 201710078711A CN 107058778 B CN107058778 B CN 107058778B
- Authority
- CN
- China
- Prior art keywords
- groove body
- calcium oxide
- oxide particle
- cover
- foamed aluminium
- 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.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/08—Alloys with open or closed pores
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/08—Alloys with open or closed pores
- C22C1/081—Casting porous metals into porous preform skeleton without foaming
- C22C1/082—Casting porous metals into porous preform skeleton without foaming with removal of the preform
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses the calcium oxide particle removal devices that a kind of THROUGH METHOD prepares foamed aluminium, including separator, the separator includes the first groove body and the first cover, first groove body is tightly connected with first cover, for holding saturated aqueous ammonium chloride in first groove body, the first extraction sector being in communication with the outside is set in first cover.The calcium oxide particle that foamed aluminium is prepared the present invention be directed to THROUGH METHOD is removed, the complex of calcium oxide particle and aluminium is put into the saturated aqueous ammonium chloride held in the first groove body, calcium oxide particle and the reaction of saturation calcium chloride water, generate calcium chloride, after reaction terminates, calcium oxide particle is removed, and obtains foamed aluminium material, and the ammonia for reacting generation is exported by the first extraction sector.Calcium oxide particle removal device using the present invention can quickly, thoroughly remove calcium oxide particle, and overall structure is simple, easy to manufacture, has saved production cost.
Description
Technical field
The present invention relates to foamed aluminium manufacturing equipment field, the calcium oxide of foamed aluminium is prepared more particularly to a kind of THROUGH METHOD
Grain removal device.
Background technology
Foamed aluminium be in pure aluminum or aluminum alloy add in additive after, formed by foam process, at the same have concurrently metal and
Bubble feature.Foamed aluminium has that density is small, high-selenium corn impact capacity is strong, high temperature resistant, fire protecting performance are strong, anticorrosive, sound insulation simultaneously
Noise reduction, low thermal conductivity, electromagnetic wave shielding are high, weatherability is strong, have filter capacity, easy processing, easy to install, forming accuracy is high, can be into
Many advantages, such as row external coating.Just because of foamed aluminium has excellent physical property, chemical property and mechanical property and can
Recyclability, these excellent properties make it have broad application prospects in current Material Field, are the works for having very much exploitation future
Journey material, particularly in communications and transportation industry, aerospace industry and building structure industry etc..
Most common currently manufactured foamed aluminium is THROUGH METHOD casting, using salt particle as pore creating material, after preheated screening
Salt grain size for 2~3mm, the salt handled well is fitted into mold, heating up in electric furnace is preheating to certain temperature, after taking-up
By aluminum alloy melt add in mould in, pressurization, molten metal is forced to enter in particle gap, is demoulded after solidification, according to predetermined shape into
Row machining finally dissolves salt particle, obtains foamed aluminium.But during using salt as seepage flow particle, salt contains crystallization
Water causes particle size unstable, is also corrosive to foamed aluminium material.Patent No. 201610242168.2 proposes one kind
Using calcium oxide as the foamed aluminum materials preparation method for material of seepage flow particle, calcium oxide is used for seepage flow particle to solve particle well pre-
It is the problem of unstable when hot, similary with granule stability it is essential that the removal of particle, the direct shadow of removal of particle
Ring the performances such as structural homogenity, porosity and the through hole of foamed aluminium material.
Therefore, how to effectively remove using calcium oxide as the calcium oxide particle during seepage flow particle preparation foamed aluminium material,
It is those skilled in the art's urgent problem to be solved.
The content of the invention
It is above-mentioned to solve the object of the present invention is to provide the calcium oxide particle removal device that a kind of THROUGH METHOD prepares foamed aluminium
Problem existing in the prior art enables the calcium oxide particle in foamed aluminium material quickly and efficiently to remove.
To achieve the above object, the present invention provides following schemes：The present invention provides a kind of THROUGH METHOD and prepares foamed aluminium
Calcium oxide particle removal device, including separator, the separator include the first groove body and the first cover, first groove body with
First cover is tightly connected, and for holding saturated aqueous ammonium chloride in first groove body, is set in first cover
Put the first extraction sector being in communication with the outside.
Preferably, the separator further includes stent, and the stent is arranged in first groove body.
Preferably, for the stent tool there are two side plate, bottom plate and several demarcation strips, the bottom plate connects two sides
Plate forms H-shaped structure, and the demarcation strip is slidingly arranged on the bottom plate, and the stent is made of pig iron material.
Preferably, the separator further includes heating arrangements, and the heating arrangements are arranged in first groove body, described
Heating arrangements are heating rod, and the heating rod is connected with external power supply.
Preferably, THROUGH METHOD prepares the calcium oxide particle removal device of foamed aluminium and further includes reactor, the reactor bag
The second groove body, the second cover, partition plate and the first exhaust tube are included, second groove body is tightly connected with second cover, described
For holding water in second groove body, the partition plate is fixed in second cover and extends downward into second groove body,
The cavity that second groove body and second cover are formed is divided into two parts by the partition plate, and the one of first exhaust tube
End is connected with first extraction sector, and the other end is through second cover and extends downward into second groove body, institute
State and the second extraction sector also set up in the second cover, first exhaust tube and second extraction sector be located at respectively it is described every
The both sides of plate.
Preferably, first groove body is connected with second groove body by pipeline, and valve is set on the pipeline.
Preferably, THROUGH METHOD prepares the calcium oxide particle removal device of foamed aluminium and further includes recover, the recover bag
The 3rd groove body, the 3rd cover and the second exhaust tube are included, the 3rd groove body is tightly connected with the 3rd cover, the 3rd slot
In vivo for holding water, one end of second exhaust tube connects second extraction sector, second exhaust tube it is another
End is through the 3rd cover and extends downward into the 3rd groove body.
Preferably, rain type nozzle is also set up in the 3rd cover, the rain type nozzle is connected with external water source, institute
It states and switch is set between rain type nozzle and external water source.
The present invention achieves following technique effect compared with the prior art：The present invention be directed to THROUGH METHODs to prepare foamed aluminium
Calcium oxide particle is removed, and it is water-soluble that the complex of calcium oxide particle and aluminium is put into the saturated ammonium chloride held in the first groove body
In liquid, calcium oxide particle and the reaction of saturation calcium chloride water generate calcium chloride, after reaction terminates, calcium oxide particle obtains
With removal, foamed aluminium material is obtained, the ammonia for reacting generation is exported by the first extraction sector.Calcium oxide particle using the present invention
Removal device can quickly, thoroughly remove calcium oxide particle, and overall structure is simple, easy to manufacture, has saved production cost.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the overall structure diagram for the calcium oxide particle removal device that THROUGH METHOD of the present invention prepares foamed aluminium；
Wherein, 1 separator, 101 be the first groove body, and 102 be the first cover, and 103 be the first extraction sector, and 104 be stent,
105 be heating arrangements, and 2 be reactor, and 201 be the second groove body, and 202 be the second cover, and 203 be partition plate, and 204 be the first pumping
Pipe, 205 be the second extraction sector, and 3 be recover, and 301 be the 3rd groove body, and 302 be the 3rd cover, and 303 be the second exhaust tube,
304 be rain type nozzle, and 4 be pipeline.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment belongs to the scope of protection of the invention.
It is existing to solve the object of the present invention is to provide the calcium oxide particle removal device that a kind of THROUGH METHOD prepares foamed aluminium
Technology there are the problem of, the calcium oxide particle in foamed aluminium material is enable quickly and efficiently to remove.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is described in further detail.
Incorporated by reference to Figure of description Fig. 1, Fig. 1 is the calcium oxide particle removal device that THROUGH METHOD of the present invention prepares foamed aluminium
Overall structure diagram.
The present invention provides the calcium oxide particle removal device that a kind of THROUGH METHOD prepares foamed aluminium, including separator 1, separator
1 includes the first groove body 101 and the first cover 102, and the first groove body 101 is tightly connected with the first cover 102, in the first groove body 101
For holding saturated aqueous ammonium chloride, the first extraction sector 103 being in communication with the outside is set in the first cover 102.Using this
During the calcium oxide particle removal device removal calcium oxide particle of invention, the ammonium chloride solution of saturation is put into the first groove body 101
The complex of calcium oxide particle and aluminium is put into the first groove body 101 by liquid, and the aqueous ammonium chloride solution of itself and saturation is made fully to connect
It touches, following chemical reaction occurs for calcium oxide particle and aqueous ammonium chloride solution：
CaO+2NH4Cl==△==CaCl2+2NH3↑+H2O
Calcium oxide particle in the complex of calcium particle and aluminium to be oxidized and aqueous ammonium chloride solution after the reaction was complete to get to
Foamed aluminium material, ammonia and hydrogen chloride gas obtained by the reaction are exported by the first extraction sector 103.
Specifically, separator 1 further includes stent 104, and stent 104 is arranged in the first groove body 101.By calcium oxide particle and
When the complex of aluminium is put into the first groove body 101, in order to make the aqueous ammonium chloride solution of the complex of calcium oxide particle and aluminium and saturation
It comes into full contact with, first the complex of calcium oxide particle and aluminium is placed on stent, then stent is put into the first groove body 101, order branch
The complex of calcium oxide particle and aluminium on frame 104 is sufficiently submerged in the aqueous ammonium chloride solution of saturation.The setting of stent 104, keeps away
Exempt to generate and directly the complex of calcium oxide particle and aluminium is put into the first groove body 101, the complex of calcium oxide particle and aluminium is not
It can fully be contacted with aqueous ammonium chloride solution, calcium oxide particle is caused to remove halfway situation.
More specifically, the tool of stent 104, there are two side plate, bottom plate and several demarcation strips, bottom plate connects two side plates and forms H
The complex of calcium oxide particle and aluminium when removing calcium oxide particle, is placed on horizontally disposed bottom plate in H-shaped structure by shape structure
On, and hole is set on bottom plate, the bottom of the complex of calcium oxide particle and aluminium is made also can fully to be connect with aqueous ammonium chloride solution
It touches, in the other embodiment of the present invention, bottom plate can also be arranged to net structure or protrusion, ripple are set on bottom plate
The structures such as Slippage；The complex of calcium oxide particle and aluminium carries out machining as required after making shaping, places into demarcation strip
In the space branched away, make between calcium oxide particle that cutting obtains and the complex of aluminium there is sufficiently large gap to accommodate chlorination
Aqueous ammonium, demarcation strip are slidingly arranged on bottom plate so that the space size being separated out can be adjusted arbitrarily, and use is more square
Just.
In this embodiment, stent 104 is placed on the bottom of the first groove body 101, in other implementations of the present invention
In mode, stent 104 may be arranged as U-shaped structure, sets and links up in the both sides of U-shaped structure, and hook can catch on the first slot
The cell wall of body 101 and the leakproofness between the first groove body 101 and the first cover 102 is not influenced, stent 104 is made to be suspended in the first groove body
In 101, the complex of calcium oxide particle and aluminium is enable to come into full contact with reaction with aqueous ammonium chloride solution.In addition, stent 104 is by giving birth to
Iron material matter is made, since aqueous ammonium chloride solution belongs to faintly acid, but to the corrosion-free effect of the pig iron, so selection pig iron material system
Make stent 104, stent 104 is it is also an option that other materials not reacted with aqueous ammonium chloride solution make.
Further, separator 1 further includes heating arrangements 105, and heating arrangements 105 are arranged in the first groove body 101, heating
Mechanism 105 is heating rod, and heating rod is connected with external power supply.When carrying out calcium oxide particle removal, heating arrangements 105 make chlorination
Aqueous ammonium is warming up to 70-95 DEG C, accelerates reaction rate, calcium oxide particle is made to be removed rapidly.Simultaneously as ammonium chloride solution
The temperature of liquid is higher, and the aqueous ammonium chloride solution of saturation can also decompose at high temperature, and following reaction occurs：
NH4Cl==△==NH3↑+HCl↑
The ammonia and hydrogen chloride gas that separator 1 generates are exported by the first extraction sector 103, are such as directly discharged in air
It pollutes the environment, then, the calcium oxide particle removal device that THROUGH METHOD prepares foamed aluminium is also provided with reactor 2, and reactor 2 wraps
The second groove body 201, the second cover 202,203 and first exhaust tube 204 of partition plate are included, the second groove body 201 is sealed with the second cover 202
Connection, the second groove body 201 is interior for holding water, and partition plate 203 is fixed in the second cover 202 and extends downward into the second groove body
In 201, the cavity that the second groove body 201 and the second cover 202 are formed is divided into two parts by partition plate 203, the first exhaust tube 204
One end is connected with the first extraction sector 103, and the other end is through the second cover 202 and extends downward into the second groove body 201, second
The second extraction sector 205 is also set up in cover 202, the first exhaust tube 204 and the second extraction sector 205 are located at partition plate 203 respectively
Both sides.
When being removed to calcium oxide particle, water is added in the second groove body 201, adds to water level higher than the first exhaust tube 204
With the bottom of partition plate 203, calcium oxide particle and aqueous ammonium chloride solution ammonia obtained by the reaction as derived from the first extraction sector 103
Gas, hydrogen chloride gas are imported in the water that the second groove body 201 is held by the first exhaust tube 204, chemically react, obtain chlorine
Change aqueous ammonium；Not participating in the extra ammonia of reaction can be dissolved in water, after the solubility of ammonium hydroxide in water is reached, ammonia
It can be overflowed from water, as shown in Figure 1, the first exhaust tube 204 is arranged at the left side of partition plate 203, due to pressure considerations, the ammonia of spilling
Gas can be overflowed from the right side of partition plate 203, be exported by the second extraction sector 205.
Further, the first groove body 101 is connected with the second groove body 201 by pipeline 4, is obtained by the reaction in reactor 2
Aqueous ammonium chloride solution can also be back to by pipeline 4 in the first sink 101 in separator 1, continue on for calcium oxide
The removal of grain.In addition, setting valve 401 on pipeline 4, the setting of valve 401 facilitates the chlorination generated in the second groove body 201 of control
The start and stop and conveying speed that aqueous ammonium is conveyed into the first groove body 101.
In line with energy saving, environmental protection principle, the calcium oxide particle removal device that THROUGH METHOD prepares foamed aluminium also wraps
Recover 3 is included, recover 3 includes the 3rd groove body 301, the 3rd cover 302 and the second exhaust tube 303, the 3rd groove body 301 and the 3rd
Cover 302 is tightly connected, and for holding water in the 3rd groove body 301, one end of the second exhaust tube 303 connects the second extraction sector
205, the other end of the second exhaust tube 303 through the 3rd cover 302 and is extended downward into the 3rd groove body 301.
When being removed to calcium oxide particle, water is added in the 3rd groove body 301, adds to water level higher than the second exhaust tube
303 bottom, the ammonia overflowed in reactor 2 are exported by the second extraction sector 205, pass through the second exhaust tube 303 into containing
It is placed in the water in the 3rd groove body 301, ammonium hydroxide is made, ammonium hydroxide can be used as commodity selling, both protect environment, additionally it is possible to save
The energy creates value.
It is also to be noted that importing the ammonia in the 3rd groove body 301 in water by the second exhaust tube 303, one is had
Divide and directly overflowed from water, in order to recycle this part ammonia of spilling, rain type nozzle 304 is also set up in the 3rd cover 302, overflow
The ammonia gone out is dissolved in the water of the ejection of rain type nozzle 304, and ammonium hydroxide is made.Rain type nozzle 304 is connected with external water source, drenches with rain
Switch between formula nozzle 304 and external water source is set, facilitates opening and closing and the spray rate of control rain type nozzle 304.
Specific case is applied in the present invention to be set forth the principle of the present invention and embodiment, above example
Illustrate to be only intended to help the method and its core concept for understanding the present invention；Meanwhile for those of ordinary skill in the art, according to
According to the thought of the present invention, in specific embodiments and applications there will be changes.In conclusion this specification content
It should not be construed as limiting the invention.
Claims (7)
1. a kind of THROUGH METHOD prepares the calcium oxide particle removal device of foamed aluminium, it is characterised in that：Including separator and reactor,
The separator includes the first groove body and the first cover, and first groove body is tightly connected with first cover, and described first
For holding saturated aqueous ammonium chloride in groove body, the first extraction sector being in communication with the outside is set in first cover；
The reactor includes the second groove body, the second cover, partition plate and the first exhaust tube, second groove body and the described second lid
Body is tightly connected, and for holding water in second groove body, the partition plate is fixed in second cover and extends downward into
In second groove body, the cavity that second groove body and second cover are formed is divided into two parts by the partition plate, institute
The one end for stating the first exhaust tube is connected with first extraction sector, and the other end is through second cover and extends downward into institute
It states in the second groove body, the second extraction sector, first exhaust tube and second air exhauster is also set up in second cover
Structure is located at the both sides of the partition plate respectively.
2. THROUGH METHOD according to claim 1 prepares the calcium oxide particle removal device of foamed aluminium, it is characterised in that：It is described
Separator further includes stent, and the stent is arranged in first groove body.
3. THROUGH METHOD according to claim 2 prepares the calcium oxide particle removal device of foamed aluminium, it is characterised in that：It is described
There are two side plate, bottom plate and several demarcation strips, the bottom plate connects two side plates and forms H-shaped structure stent tool, described
Demarcation strip is slidingly arranged on the bottom plate, and the stent is made of pig iron material.
4. THROUGH METHOD according to claim 1 prepares the calcium oxide particle removal device of foamed aluminium, it is characterised in that：It is described
Separator further includes heating arrangements, and the heating arrangements are arranged in first groove body, the heating arrangements be heating rod, institute
Heating rod is stated with external power supply to be connected.
5. THROUGH METHOD according to claim 1 prepares the calcium oxide particle removal device of foamed aluminium, it is characterised in that：It is described
First groove body is connected with second groove body by pipeline, and valve is set on the pipeline.
6. THROUGH METHOD according to claim 1 prepares the calcium oxide particle removal device of foamed aluminium, it is characterised in that：Also wrap
Recover is included, the recover includes the 3rd groove body, the 3rd cover and the second exhaust tube, the 3rd groove body and the described 3rd lid
Body is tightly connected, and for holding water in the 3rd groove body, one end of second exhaust tube connects second extraction sector,
The other end of second exhaust tube is through the 3rd cover and extends downward into the 3rd groove body.
7. THROUGH METHOD according to claim 6 prepares the calcium oxide particle removal device of foamed aluminium, it is characterised in that：It is described
Rain type nozzle is also set up in 3rd cover, the rain type nozzle is connected with external water source, the rain type nozzle with it is external
Switch is set between water source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710078711.4A CN107058778B (en) | 2017-02-14 | 2017-02-14 | A kind of THROUGH METHOD prepares the calcium oxide particle removal device of foamed aluminium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710078711.4A CN107058778B (en) | 2017-02-14 | 2017-02-14 | A kind of THROUGH METHOD prepares the calcium oxide particle removal device of foamed aluminium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107058778A CN107058778A (en) | 2017-08-18 |
| CN107058778B true CN107058778B (en) | 2018-06-05 |
Family
ID=59598148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710078711.4A Active CN107058778B (en) | 2017-02-14 | 2017-02-14 | A kind of THROUGH METHOD prepares the calcium oxide particle removal device of foamed aluminium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107058778B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115161507B (en) * | 2022-07-07 | 2023-09-01 | 张勇 | Method for preparing foamed aluminum material by taking calcium carbonate as seepage particles and foamed aluminum material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104561637A (en) * | 2015-01-29 | 2015-04-29 | 山东理工大学 | Method for manufacturing foamed aluminum by taking calcium oxide as seepage particles |
| CN105714145A (en) * | 2016-04-19 | 2016-06-29 | 山东理工大学 | Foamed aluminum material preparation method by taking calcium oxide as seepage particles |
-
2017
- 2017-02-14 CN CN201710078711.4A patent/CN107058778B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104561637A (en) * | 2015-01-29 | 2015-04-29 | 山东理工大学 | Method for manufacturing foamed aluminum by taking calcium oxide as seepage particles |
| CN105714145A (en) * | 2016-04-19 | 2016-06-29 | 山东理工大学 | Foamed aluminum material preparation method by taking calcium oxide as seepage particles |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107058778A (en) | 2017-08-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100476038C (en) | Stabilized decoating liquid | |
| CN102943177B (en) | Method for recovering cooper and silicon powder from organosilicon waste residue | |
| CN103757633B (en) | A kind of magnesium alloy nickel strip method | |
| CN104576830A (en) | Texturing pretreatment liquid and texturing pretreatment method for diamond wire cutting polycrystalline silicon sheet, texturing pretreatment silicon sheet and application of texturing pretreatment silicon sheet | |
| CN107058778B (en) | A kind of THROUGH METHOD prepares the calcium oxide particle removal device of foamed aluminium | |
| CN102925704B (en) | Method and equipment for producing copper oxide and ammonia water by using alkaline copper etching liquid waste | |
| CN104846389A (en) | Austenitic stainless steel composite resinite manufacture method | |
| CN105256342A (en) | Copper-based super-hydrophobic surface and preparation method thereof | |
| CN103553086A (en) | Method for preparing high-purity lithium fluoride | |
| CN106744859A (en) | Graphene three-dimensional multistage pore structure powder prepared by a kind of low temperature polymer cracking | |
| CN101695697A (en) | Method for cleaning metallurgical silicon material | |
| CN102698749B (en) | Ruthenium ammonia synthesis catalyst taking ruthenium ammonia complex as precursor | |
| CN102212842B (en) | Method for recovering nickel in chemical nickel-plating ageing liquid | |
| CN104445208A (en) | Method for removing impurities from polycrystalline silicon cast ingot leftovers | |
| CN106653659A (en) | Wet etching system and method | |
| CN109167018A (en) | A kind of lithium carbon dioxide battery pole piece and preparation method of the binder free without conductive agent | |
| CN105695962A (en) | Solution for chemically plating nickel on surface of non-catalytic active material and plating process for solution | |
| CN101838851A (en) | Acid washing process of monocrystalline or polycrystalline silicon wafer | |
| CN103042009B (en) | A kind of polycrystalline silicon material produces the cleaning method of reduction furnace electrode protective cover | |
| CN101781724B (en) | Method for preparing superfine foam copper by coordination compound | |
| CN104230073B (en) | The treatment process of ammonia-containing water | |
| CN205275782U (en) | Processing system who contains silicon nitride silicon material | |
| CN214004793U (en) | Alkaline etching waste liquid electrolysis recycling equipment | |
| CN108019188A (en) | A kind of pickling descaling method suitable for Salt mine underground shaft protective casing km waterflood-transmission line | |
| CN104451751A (en) | Air inflation capsule device and application method of air inflation capsule device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201012 Address after: 255000, No. 1, unit 6, Kerry garden, Renmin West Road, Renmin West Road, Zhangdian District, Shandong, Zibo Patentee after: Zhang Beiang Address before: 255000, No. 1, unit 6, Kerry garden, Renmin West Road, Renmin West Road, Zhangdian District, Shandong, Zibo Patentee before: Zhang Yong |
|
| TR01 | Transfer of patent right |