GB1589994A - Method for dry spraying calcium sulphate hemi-hydrate - Google Patents
Method for dry spraying calcium sulphate hemi-hydrate Download PDFInfo
- Publication number
- GB1589994A GB1589994A GB30944/77A GB3094477A GB1589994A GB 1589994 A GB1589994 A GB 1589994A GB 30944/77 A GB30944/77 A GB 30944/77A GB 3094477 A GB3094477 A GB 3094477A GB 1589994 A GB1589994 A GB 1589994A
- Authority
- GB
- United Kingdom
- Prior art keywords
- hemi
- hydrate
- dry
- particles
- water
- 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
Links
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 title claims description 48
- 238000000034 method Methods 0.000 title claims description 48
- 238000005507 spraying Methods 0.000 title claims description 19
- 239000002245 particle Substances 0.000 claims description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 54
- 239000007921 spray Substances 0.000 claims description 51
- 239000003365 glass fiber Substances 0.000 claims description 36
- 239000000463 material Substances 0.000 claims description 20
- 239000010440 gypsum Substances 0.000 claims description 8
- 229910052602 gypsum Inorganic materials 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 8
- 239000011505 plaster Substances 0.000 claims description 8
- 239000012763 reinforcing filler Substances 0.000 claims description 8
- 229910052925 anhydrite Inorganic materials 0.000 claims description 7
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 4
- ALEXXDVDDISNDU-JZYPGELDSA-N cortisol 21-acetate Chemical compound C1CC2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@@](C(=O)COC(=O)C)(O)[C@@]1(C)C[C@@H]2O ALEXXDVDDISNDU-JZYPGELDSA-N 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 230000004048 modification Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 3
- 241000287828 Gallus gallus Species 0.000 claims description 2
- 230000010349 pulsation Effects 0.000 claims description 2
- 238000000576 coating method Methods 0.000 description 25
- 239000011248 coating agent Substances 0.000 description 18
- 238000010410 dusting Methods 0.000 description 11
- 239000000203 mixture Substances 0.000 description 8
- 239000011435 rock Substances 0.000 description 8
- 239000000565 sealant Substances 0.000 description 8
- 239000004568 cement Substances 0.000 description 7
- 239000000428 dust Substances 0.000 description 7
- 238000009736 wetting Methods 0.000 description 7
- 239000004567 concrete Substances 0.000 description 3
- 239000011152 fibreglass Substances 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000011396 hydraulic cement Substances 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 229910052895 riebeckite Inorganic materials 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 231100000206 health hazard Toxicity 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010455 vermiculite Substances 0.000 description 1
- 235000019354 vermiculite Nutrition 0.000 description 1
- 229910052902 vermiculite Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/003—Methods for mixing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/14—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
- B05B7/1481—Spray pistols or apparatus for discharging particulate material
- B05B7/149—Spray pistols or apparatus for discharging particulate material with separate inlets for a particulate material and a liquid to be sprayed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/40—Mixing specially adapted for preparing mixtures containing fibres
- B28C5/402—Methods
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Lining And Supports For Tunnels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US70969976A | 1976-07-29 | 1976-07-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1589994A true GB1589994A (en) | 1981-05-28 |
Family
ID=24850983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB30944/77A Expired GB1589994A (en) | 1976-07-29 | 1977-07-22 | Method for dry spraying calcium sulphate hemi-hydrate |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS5317501A (es) |
| AR (1) | AR214744A1 (es) |
| AU (1) | AU2643077A (es) |
| BR (1) | BR7704888A (es) |
| CA (1) | CA1067301A (es) |
| DE (1) | DE2733540A1 (es) |
| FR (1) | FR2359649A1 (es) |
| GB (1) | GB1589994A (es) |
| IN (1) | IN146244B (es) |
| IT (1) | IT1079792B (es) |
| ZA (1) | ZA773879B (es) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IE49426B1 (en) * | 1980-03-18 | 1985-10-02 | Tegral Technology Ltd | Method of making asbestos-free,glass fibre reinforced,cement composite products and the products of such method |
| DE3824908A1 (de) * | 1988-07-22 | 1990-02-01 | Gema Ransburg Ag | Verfahren und vorrichtung zum elektrostatischen spruehbeschichten |
-
1977
- 1977-06-24 AU AU26430/77A patent/AU2643077A/en active Pending
- 1977-06-28 ZA ZA00773879A patent/ZA773879B/xx unknown
- 1977-07-01 IN IN993/CAL/77A patent/IN146244B/en unknown
- 1977-07-07 JP JP8147677A patent/JPS5317501A/ja active Pending
- 1977-07-07 AR AR268360A patent/AR214744A1/es active
- 1977-07-18 IT IT50327/77A patent/IT1079792B/it active
- 1977-07-20 CA CA283,159A patent/CA1067301A/en not_active Expired
- 1977-07-22 GB GB30944/77A patent/GB1589994A/en not_active Expired
- 1977-07-25 DE DE19772733540 patent/DE2733540A1/de not_active Withdrawn
- 1977-07-26 BR BR7704888A patent/BR7704888A/pt unknown
- 1977-07-28 FR FR7723282A patent/FR2359649A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE2733540A1 (de) | 1978-02-02 |
| ZA773879B (en) | 1978-05-30 |
| AU2643077A (en) | 1979-01-04 |
| IT1079792B (it) | 1985-05-13 |
| BR7704888A (pt) | 1978-08-22 |
| JPS5317501A (en) | 1978-02-17 |
| AR214744A1 (es) | 1979-07-31 |
| CA1067301A (en) | 1979-12-04 |
| IN146244B (es) | 1979-03-31 |
| FR2359649A1 (fr) | 1978-02-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CSNS | Application of which complete specification have been accepted and published, but patent is not sealed |