CN109160758A - 一种废石膏模型的再生方法 - Google Patents
一种废石膏模型的再生方法 Download PDFInfo
- Publication number
- CN109160758A CN109160758A CN201811208506.6A CN201811208506A CN109160758A CN 109160758 A CN109160758 A CN 109160758A CN 201811208506 A CN201811208506 A CN 201811208506A CN 109160758 A CN109160758 A CN 109160758A
- Authority
- CN
- China
- Prior art keywords
- waste gypsum
- gypsum model
- filter residue
- regeneration method
- 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.)
- Granted
Links
- 229910052602 gypsum Inorganic materials 0.000 title claims abstract description 109
- 239000010440 gypsum Substances 0.000 title claims abstract description 109
- 239000002699 waste material Substances 0.000 title claims abstract description 78
- 238000011069 regeneration method Methods 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000001035 drying Methods 0.000 claims abstract description 23
- 229920002401 polyacrylamide Polymers 0.000 claims abstract description 22
- 238000003756 stirring Methods 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 16
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 239000013049 sediment Substances 0.000 claims abstract description 13
- 239000002245 particle Substances 0.000 claims abstract description 12
- 239000006228 supernatant Substances 0.000 claims abstract description 9
- 125000000129 anionic group Chemical group 0.000 claims description 9
- 238000005119 centrifugation Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 3
- 239000006071 cream Substances 0.000 claims 1
- 229910001882 dioxygen Inorganic materials 0.000 claims 1
- 239000011435 rock Substances 0.000 claims 1
- 239000011505 plaster Substances 0.000 abstract description 20
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 abstract description 15
- 239000012535 impurity Substances 0.000 abstract description 13
- 239000008187 granular material Substances 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 7
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 34
- 239000000843 powder Substances 0.000 description 17
- 229910052938 sodium sulfate Inorganic materials 0.000 description 17
- 235000011152 sodium sulphate Nutrition 0.000 description 17
- 239000000919 ceramic Substances 0.000 description 10
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 9
- 239000011575 calcium Substances 0.000 description 9
- 229910052791 calcium Inorganic materials 0.000 description 9
- 239000000706 filtrate Substances 0.000 description 8
- 239000004115 Sodium Silicate Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 235000019795 sodium metasilicate Nutrition 0.000 description 6
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 6
- 229910052911 sodium silicate Inorganic materials 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000002742 anti-folding effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 235000011132 calcium sulphate Nutrition 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 235000012241 calcium silicate Nutrition 0.000 description 1
- 239000001175 calcium sulphate Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007676 flexural strength test Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 230000005606 hygroscopic expansion Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000009790 rate-determining step (RDS) Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- ORVGYTXFUWTWDM-UHFFFAOYSA-N silicic acid;sodium Chemical compound [Na].O[Si](O)(O)O ORVGYTXFUWTWDM-UHFFFAOYSA-N 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
Classifications
-
- 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
- C04B11/00—Calcium sulfate cements
- C04B11/26—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke
- C04B11/262—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke waste gypsum other than phosphogypsum
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811208506.6A CN109160758B (zh) | 2018-10-17 | 2018-10-17 | 一种废石膏模型的再生方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811208506.6A CN109160758B (zh) | 2018-10-17 | 2018-10-17 | 一种废石膏模型的再生方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109160758A true CN109160758A (zh) | 2019-01-08 |
CN109160758B CN109160758B (zh) | 2021-01-05 |
Family
ID=64878487
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811208506.6A Active CN109160758B (zh) | 2018-10-17 | 2018-10-17 | 一种废石膏模型的再生方法 |
Country Status (1)
Country | Link |
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CN (1) | CN109160758B (zh) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6197200B1 (en) * | 1999-05-11 | 2001-03-06 | Eastroc Llc | Method of purifying flue gas waste slurries for use in gypsum production |
CN101844885A (zh) * | 2010-04-30 | 2010-09-29 | 唐山惠达陶瓷(集团)股份有限公司 | 一种利用废石膏模型制作再生石膏粉的方法 |
CN102584052A (zh) * | 2012-02-10 | 2012-07-18 | 潍坊英轩实业有限公司 | 利用柠檬酸废渣生产α高强度石膏的方法 |
CN103086738A (zh) * | 2011-10-27 | 2013-05-08 | 比亚迪股份有限公司 | 一种石膏模具原料及石膏模具的制备方法 |
-
2018
- 2018-10-17 CN CN201811208506.6A patent/CN109160758B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6197200B1 (en) * | 1999-05-11 | 2001-03-06 | Eastroc Llc | Method of purifying flue gas waste slurries for use in gypsum production |
CN101844885A (zh) * | 2010-04-30 | 2010-09-29 | 唐山惠达陶瓷(集团)股份有限公司 | 一种利用废石膏模型制作再生石膏粉的方法 |
CN103086738A (zh) * | 2011-10-27 | 2013-05-08 | 比亚迪股份有限公司 | 一种石膏模具原料及石膏模具的制备方法 |
CN102584052A (zh) * | 2012-02-10 | 2012-07-18 | 潍坊英轩实业有限公司 | 利用柠檬酸废渣生产α高强度石膏的方法 |
Also Published As
Publication number | Publication date |
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CN109160758B (zh) | 2021-01-05 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A regeneration method of waste gypsum model Effective date of registration: 20220726 Granted publication date: 20210105 Pledgee: China Everbright Bank Limited by Share Ltd. Xiamen branch Pledgor: XIAMEN JIAYU INTELLIGENT TOILET AND BATHROOM Co.,Ltd. Registration number: Y2022980011244 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231019 Granted publication date: 20210105 Pledgee: China Everbright Bank Limited by Share Ltd. Xiamen branch Pledgor: XIAMEN JIAYU INTELLIGENT TOILET AND BATHROOM Co.,Ltd. Registration number: Y2022980011244 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Regeneration Method for Waste Gypsum Model Effective date of registration: 20231026 Granted publication date: 20210105 Pledgee: China Everbright Bank Limited by Share Ltd. Xiamen branch Pledgor: XIAMEN JIAYU INTELLIGENT TOILET AND BATHROOM Co.,Ltd. Registration number: Y2023980062623 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |