CN105494232A - Superfine nanometer atomized air stone and manufacturing method thereof - Google Patents
Superfine nanometer atomized air stone and manufacturing method thereof Download PDFInfo
- Publication number
- CN105494232A CN105494232A CN201610021539.4A CN201610021539A CN105494232A CN 105494232 A CN105494232 A CN 105494232A CN 201610021539 A CN201610021539 A CN 201610021539A CN 105494232 A CN105494232 A CN 105494232A
- Authority
- CN
- China
- Prior art keywords
- powder
- sandstone
- sand
- sand powder
- nanospray
- 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.)
- Granted
Links
- 239000004575 stone Substances 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title abstract description 4
- 239000000843 powder Substances 0.000 claims abstract description 79
- 239000004576 sand Substances 0.000 claims abstract description 43
- 239000000654 additive Substances 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 47
- 239000000203 mixture Substances 0.000 claims description 21
- 230000000996 additive effect Effects 0.000 claims description 19
- 229920002472 Starch Polymers 0.000 claims description 14
- 238000002360 preparation method Methods 0.000 claims description 14
- 235000019698 starch Nutrition 0.000 claims description 14
- 239000008107 starch Substances 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 8
- 239000010433 feldspar Substances 0.000 claims description 8
- 239000005995 Aluminium silicate Substances 0.000 claims description 7
- 235000012211 aluminium silicate Nutrition 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 238000001354 calcination Methods 0.000 claims description 7
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 7
- 239000006004 Quartz sand Substances 0.000 claims description 6
- 238000004080 punching Methods 0.000 claims description 6
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 6
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 6
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract 3
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 238000009689 gas atomisation Methods 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/042—Introducing gases into the water, e.g. aerators, air pumps
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/0051—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof characterised by the pore size, pore shape or kind of porosity
- C04B38/0058—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof characterised by the pore size, pore shape or kind of porosity open porosity
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Environmental Sciences (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention provides superfine nanometer atomized air stone which comprise a stone body and a fixing and sealing device for fixing the stone body. A gas channel is arranged in the stone body. Gas outlets communicated with the gas channel are formed in the surface of the stone body. The fixing and sealing device is arranged on the stone body and completely closes all the gas outlets covered by the fixing and sealing device. By means of the superfine nanometer atomized air stone and the manufacturing method of the superfine nanometer atomized air stone, by mixing and burning sand powder and additives, the integral intensity is increased, the stone resists water and is not prone to damage, the material and color of the sand powder can be selected according to requirements, the appearance treatment is conducted through a steel die, the ornamental degree is increased, the manufacturing method is simple, and use is convenient.
Description
Technical field
The present invention relates to gas atomization apparatus field, particularly a kind of ultra micro nanospray Bubbled stone and preparation method thereof.
Background technology
Bubbled stone is also known as gas exhausting stone, gas stone, gas head, air stone etc., and it is culture fishery and the oxygenation of Shui nationality industry is supporting, domestic ozone is supporting necessary tool, plays a part very important in culture fishery.At present, the Bubbled stone that domestic aquatic farm uses is all form by conventional adhesives, and its outward appearance is coarse, non-watertight, not wear-resisting, and intensity is low, and fragile, permeability is poor.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art and provide a kind of ultra micro nanospray Bubbled stone and preparation method thereof, by adopting sand powder and additives mixed to fire, intensity is high, and Air permenbility is good.
A kind of ultra micro nanospray Bubbled stone, comprise sandstone body and the fixing seal device for fixing described sandstone body, described sandstone body inside is provided with gas passage, surface is provided with the venthole be communicated with described gas passage, described fixing seal device is arranged on described sandstone body, and closes all described venthole of described fixing seal device covering completely.
The side of described sandstone body is provided with air inlet, and described gas passage is communicated with described air inlet, described fixing seal device is provided with the seal of coated described air inlet.
Described sandstone body is cylindrical structural, and described gas passage distributes along described sandstone body axis direction.
Described sandstone body is disc-shaped structure, described gas passage with described air inlet for starting point to described sandstone body inside in dendritic distribution.
Described sandstone body is fired by sand powder and additives mixed and is formed, described sand powder is emergy powder or quartz sand powder or one of silicon carbide sand powder or aluminum oxide sand powder, and described additive is the mixture of yellow starch gum water, kaolin powder, order feldspar powder, talcum powder and yellow starch gum powder.
A preparation method for above-mentioned ultra micro nanospray Bubbled stone, comprising:
Determine sand powder kind and the additive kind of needs, shape determination mould as required;
Select the ratio that sand powder and additive are shared in joined sand-mix as required;
Mix above-mentioned sand powder and additive, and fully stir formation sand-mix;
Described sand-mix is put into described mould, and compressing formation sandstone sample body;
Described sandstone sample body is dried---calcining---cooling and form described sandstone body;
Described sandstone body is installed in the described fixing seal device of adaptation.
In the sand powder kind determining to need and additive kind, in shape determination mold process as required, described sand powder is emergy powder or quartz sand powder or silicon carbide sand powder or aluminum oxide sand powder, described additive is the mixture of yellow starch gum water, kaolin powder, feldspar powder, talcum powder and yellow starch gum powder, and described mould is punching block.
Described sandstone sample body is being dried and calcined, and cooling is formed in described sandstone body naturally, described calcination temperature range is 800 DEG C to 1600 DEG C.
Described calcining heat is 1200 DEG C.
Described sandstone sample body is being dried and calcined, and cooling is formed in described sandstone body, described sandstone sample body is cooled by air-cooled.
Ultra micro nanospray Bubbled stone provided by the invention and preparation method thereof, by sand powder and additives mixed are fired, add bulk strength, resistance to ozone, not water funk, not perishable, and material and the color of sand powder can be selected as required, and carry out outward appearance process by punching block, add ornamental degree, and preparation method is simple, easy to use.
Accompanying drawing explanation
Fig. 1 is the half sectional view of the cylindrical structural of ultra micro nanospray Bubbled stone provided by the invention;
Fig. 2 is the half sectional view of the disc-shaped structure of ultra micro nanospray Bubbled stone provided by the invention;
In figure: 1, sandstone body; 2, fixing seal device; 11, gas passage; 12, venthole; 13, air inlet.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details:
Ultra micro nanospray Bubbled stone as depicted in figs. 1 and 2, comprise sandstone body 1 and the fixing seal device 2 for fixing described sandstone body 1, described sandstone body 1 inside is provided with gas passage 11, surface is provided with the venthole 12 be communicated with described gas passage 11, described fixing seal device 2 is arranged on described sandstone body 1, and closes all described venthole 12 of described fixing seal device 2 covering completely.Be communicated on gas passage 11 by the gas with certain pressure by conduit, gas discharges described sandstone body 1 after the atomization of venthole 12, namely completes atomization process.
The side of described sandstone body 1 is provided with air inlet 13, described gas passage 11 is communicated with in described air inlet 13, described fixing seal device 2 is provided with the seal of coated described air inlet 13, the material of air inlet 13 is stainless steel, and be arranged at described sandstone body 1 side by the mode of adhesive or screw thread or clamping, preferably sandstone body 1 is provided with draw-in groove, air inlet 13 is provided with buckle, seal on described fixing seal device 2 can the connecting portion of complete coated air inlet 13 and described sandstone body 1 and described air inlet 13, effectively prevent gas from being flowed out by air inlet 13 and connecting portion, effect is caused to reduce.
Described sandstone body 1 is cylindrical structural, described gas passage 11 distributes along described sandstone body 1 axis direction, wherein, the diameter range of gas passage 11 is 1/1 to two/5th of described sandstone body 1 diameter, wherein in order to ensure that the gas passing into described sandstone body 1 inside is when the pressure arriving described gas passage 11 other end is enough, preferably 1/3rd, now, described fixing seal device 2 is two disc-shaped structures, and be arranged on two bottom surfaces of described sandstone body 1 respectively, described air inlet 13 and described seal are all arranged on one of them bottom surface of described sandstone body 1.
Described sandstone body 1 is disc-shaped structure, described gas passage 11 is that starting point is inner in dendritic distribution to described sandstone body 1 with described air inlet 13, and described gas passage 11 is arranged at 1/2nd places of the height of described sandstone body 1, wherein, the maximum height of described gas passage 11 is not more than 1/2nd of the height of described sandstone body 1, the width of all gas passages 11 of same cross section and be not more than described sandstone body 1 Breadth Maximum 1/2nd, now, described fixing seal device 2 is circular ring, and on the side of the short transverse of coated and discoid sandstone body 1, described air inlet 13 and described seal are arranged on the side of described sandstone body 1 short transverse, wherein, increase successively along branch's width of gas passage 11 described in the direction away from described air inlet 13, ensure that the gas pressure in all branches is substantially identical.
Described sandstone body 1 is fired by sand powder and additives mixed and is formed, and described sand powder is emergy powder or quartz sand powder or silicon carbide sand powder thrin, and described additive is the mixture of kaolin powder, order feldspar powder, talcum powder and yellow starch gum powder.
A preparation method for above-mentioned ultra micro nanospray Bubbled stone, comprising:
Determine sand powder kind and the additive kind of needs, shape determination mould as required;
Select the ratio that sand powder and additive are shared in joined sand-mix as required, its medium sand powder is main component, and namely accounting is not less than 50%;
Mix above-mentioned sand powder and additive, and fully stir formation sand-mix;
Described sand-mix is put into described mould and compressing formation sandstone sample body;
Described sandstone sample body is dried---calcining---cooling and form described sandstone body 1;
Described sandstone body 1 is installed in the described fixing seal device 2 of adaptation.
In the sand powder kind determining to need and additive kind, in shape determination mould as required, described sand powder is emergy powder or quartz sand powder or one of silicon carbide sand powder or aluminum oxide sand powder, the mixture of described yellow starch gum water, kaolin powder, feldspar powder, talcum powder and yellow starch gum powder, described mould is punching block.
Described sandstone sample body is being dried and calcined, and cooling is formed in described sandstone body 1 naturally, described calcination temperature range is 800 DEG C to 1600 DEG C, wherein said calcination temperature range comprises: 800 DEG C to 900 DEG C, 900 DEG C to 1000 DEG C, 1000 DEG C to 1100 DEG C, 1100 DEG C to 1200 DEG C, 1200 DEG C to 1300 DEG C, 1300 DEG C to 1400 DEG C, 1400 DEG C to 1500 DEG C, 1500 DEG C to 1600 DEG C.
Wherein preferred, described calcining heat is 1200 DEG C.
Described sandstone sample body is being dried and calcined, and cooling is formed in described sandstone body 1, described sandstone sample body is cooled by air-cooled.
Above-mentioned sandstone sample body is dried, and puts into cellar for storing things stove, by the temperature deduction of cellar for storing things stove in baking temperature range, and keep certain hour.
Wherein, dry guarantee sandstone sample body to burst because the problem of internal moisture produces in sintering procedure;
Can make above-mentioned sandstone sample body inside that physical change and chemical change occur, form described venthole 12;
Fully physical change and chemical change is carried out in order to make the inside of described sandstone sample body;
Embodiment
Select 180-1000 order white fused alumina sand powder;
Select high yellow starch gum water, ridge soil powder, feldspar powder, talcum powder, the mixture of yellow starch gum powder is as additive;
Wherein the quality accounting of white fused alumina sand powder is 70%, kaolin powder 10%, order feldspar powder 7.65%, talcum powder 4%, yellow starch gum powder 8.35%;
Above-mentioned sand powder and additive are put into agitator carry out being uniformly mixed 5 minutes, form sand-mix;
Above-mentioned sand-mix is put into the punching block chosen inner, utilize forcing press to carry out extruded, pressure is 2T-500T, carrys out constant-pressure, form sandstone sample body according to formation sandstone size;
Above-mentioned sandstone sample body is dried, and put into cellar for storing things stove, by the temperature deduction of cellar for storing things stove to 1200 DEG C, and keep at least 2 hours, dry and ensure that sandstone sample body can not burst because the problem of internal moisture produces in sintering procedure, can make above-mentioned sandstone sample body inside that physical change and chemical change occur when 1200 DEG C, form described venthole 12, keeping within two hours, being to make the inside of described sandstone sample body fully carry out physical change and chemical change;
Under sandstone sample body after firing is put into natural temperature, utilize natural wind to carry out air-cooled, the duration is not less than 3 hours;
Gas outlet is connected and fixed by the draw-in groove be preset on described sandstone body, and described fixing seal device is fixedly installed on described sandstone body, namely complete manufacturing process.
Ultra micro nanospray Bubbled stone provided by the invention and preparation method thereof, by sand powder and additives mixed are fired, add bulk strength, resistance to ozone, not water funk, not perishable, and material and the color of sand powder can be selected as required, and carry out outward appearance process by punching block, add ornamental degree, and preparation method is simple, easy to use.
The above; be only preferred embodiment of the present invention; not in order to limit the present invention, every above embodiment is done according to technical spirit of the present invention any trickle amendment, equivalently replace and improve, within the protection domain that all should be included in technical solution of the present invention.
Claims (10)
1. a ultra micro nanospray Bubbled stone, it is characterized in that: comprise sandstone body and the fixing seal device for fixing described sandstone body, described sandstone body inside is provided with gas passage, surface is provided with the venthole be communicated with described gas passage, described fixing seal device is arranged on described sandstone body, and closes all described venthole of described fixing seal device covering completely.
2. ultra micro nanospray Bubbled stone according to claim 1, it is characterized in that: the side of described sandstone body is provided with air inlet, described gas passage is communicated with described air inlet, described fixing seal device is provided with the seal of coated described air inlet.
3. ultra micro nanospray Bubbled stone according to claim 2, it is characterized in that: described sandstone body is cylindrical structural, described gas passage distributes along described sandstone body axis direction.
4. ultra micro nanospray Bubbled stone according to claim 2, is characterized in that: described sandstone body is disc-shaped structure, described gas passage with described air inlet for starting point to described sandstone body inside in dendritic distribution.
5. the ultra micro nanospray Bubbled stone according to claim 3 or 4, it is characterized in that: described sandstone body is fired by sand powder and additives mixed and formed, described sand powder is emergy powder or quartz sand powder or one of silicon carbide sand powder or aluminum oxide sand powder, and described additive is the mixture of yellow starch gum water, kaolin powder, feldspar powder, talcum powder and yellow starch gum powder.
6. a preparation method for the ultra micro nanospray Bubbled stone described in any one of claim 1 to 5, is characterized in that: comprising:
Determine sand powder kind and the additive kind of needs, shape determination mould as required;
Select the ratio that sand powder and additive are shared in joined sand-mix as required;
Mix above-mentioned sand powder and additive, and fully stir formation sand-mix;
Described sand-mix is put into described mould and by described mould, and compressing formation sandstone sample body;
Described sandstone sample body is dried---calcining---cooling and form described sandstone body;
Described sandstone body is installed in the described fixing seal device of adaptation.
7. preparation method according to claim 6, it is characterized in that: determining sand powder kind and the additive kind of needs, in the process of shape determination mould as required, described sand powder is emergy powder or quartz sand powder or silicon carbide sand powder or aluminum oxide sand powder, described additive is the mixture of yellow starch gum water, kaolin powder, feldspar powder, talcum powder and yellow starch gum powder, and described mould is punching block.
8. preparation method according to claim 6, is characterized in that: described sandstone sample body is being dried and calcined, and cooling is formed in the process of described sandstone body naturally, and calcination temperature range is 800 DEG C to 1600 DEG C.
9. preparation method according to claim 8, is characterized in that: described calcining heat is 1200 DEG C.
10. preparation method according to claim 6, is characterized in that: described sandstone sample body is being dried and calcined, and cooling is formed in the process of described sandstone body, and described sandstone sample body is cooled by air-cooled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610021539.4A CN105494232B (en) | 2016-01-13 | 2016-01-13 | Ultra micro nanospray air stone and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610021539.4A CN105494232B (en) | 2016-01-13 | 2016-01-13 | Ultra micro nanospray air stone and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105494232A true CN105494232A (en) | 2016-04-20 |
| CN105494232B CN105494232B (en) | 2018-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610021539.4A Active CN105494232B (en) | 2016-01-13 | 2016-01-13 | Ultra micro nanospray air stone and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN105494232B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110342909A (en) * | 2019-07-16 | 2019-10-18 | 中山市南朗镇浩海水族器材制品厂 | A kind of low oxygen refinement ultra micro nanometer refinement slices and preparation method thereof |
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| CN2275336Y (en) * | 1996-03-08 | 1998-03-04 | 方福田 | Improvement of structure of bubble stone for aquaria |
| CN2323586Y (en) * | 1997-11-17 | 1999-06-16 | 颜丰城 | Filter for aquaria |
| CN1357223A (en) * | 2000-12-07 | 2002-07-10 | 李永清 | Bubbled stone and its production process |
| CN201938215U (en) * | 2010-12-15 | 2011-08-24 | 浙江海洋学院 | Culturing air stone |
| CN103241847A (en) * | 2013-05-22 | 2013-08-14 | 中国人民大学 | Ultramicropore aerator for sewage treatment |
| CN203884476U (en) * | 2014-06-16 | 2014-10-22 | 黄静波 | Oxygenation equipment enabling water to flow in circulating mode |
| US20150272089A1 (en) * | 2014-03-28 | 2015-10-01 | Quatek Holding Inc. | Difffuser, gas valve adapter thereof and method for generating micro bubbles thereof |
| CN205511705U (en) * | 2016-01-13 | 2016-08-31 | 奉新县绿康水质净化科技有限公司 | Super micro -nano atomizing bubble stone |
-
2016
- 2016-01-13 CN CN201610021539.4A patent/CN105494232B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1073155A (en) * | 1991-12-14 | 1993-06-16 | 国营苏北砂轮厂 | Micro porous aeration head and manufacture method thereof |
| CN2275336Y (en) * | 1996-03-08 | 1998-03-04 | 方福田 | Improvement of structure of bubble stone for aquaria |
| CN2323586Y (en) * | 1997-11-17 | 1999-06-16 | 颜丰城 | Filter for aquaria |
| CN1357223A (en) * | 2000-12-07 | 2002-07-10 | 李永清 | Bubbled stone and its production process |
| CN201938215U (en) * | 2010-12-15 | 2011-08-24 | 浙江海洋学院 | Culturing air stone |
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| US20150272089A1 (en) * | 2014-03-28 | 2015-10-01 | Quatek Holding Inc. | Difffuser, gas valve adapter thereof and method for generating micro bubbles thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110342909A (en) * | 2019-07-16 | 2019-10-18 | 中山市南朗镇浩海水族器材制品厂 | A kind of low oxygen refinement ultra micro nanometer refinement slices and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN105494232B (en) | 2018-11-20 |
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