TH95757B - Calcined gypsum and gypsum board production method - Google Patents
Calcined gypsum and gypsum board production methodInfo
- Publication number
- TH95757B TH95757B TH701002131A TH0701002131A TH95757B TH 95757 B TH95757 B TH 95757B TH 701002131 A TH701002131 A TH 701002131A TH 0701002131 A TH0701002131 A TH 0701002131A TH 95757 B TH95757 B TH 95757B
- Authority
- TH
- Thailand
- Prior art keywords
- gypsum
- acid
- water
- production method
- calcined
- Prior art date
Links
- 229910052602 gypsum Inorganic materials 0.000 title claims abstract 14
- 239000010440 gypsum Substances 0.000 title claims abstract 14
- 238000004519 manufacturing process Methods 0.000 title claims abstract 6
- 239000002994 raw material Substances 0.000 claims abstract 4
- 239000000126 substance Substances 0.000 claims abstract 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-N Carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims abstract 2
- 239000002253 acid Substances 0.000 claims 4
- 150000003839 salts Chemical class 0.000 claims 4
- 239000011780 sodium chloride Substances 0.000 claims 4
- BJEPYKJPYRNKOW-UHFFFAOYSA-N Malic acid Chemical compound OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims 2
- 150000001735 carboxylic acids Chemical class 0.000 claims 2
- 239000001630 malic acid Substances 0.000 claims 2
- 229940099690 malic acid Drugs 0.000 claims 2
- 235000011090 malic acid Nutrition 0.000 claims 2
- FZIPCQLKPTZZIM-UHFFFAOYSA-N 2-oxidanylpropane-1,2,3-tricarboxylic acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O.OC(=O)CC(O)(C(O)=O)CC(O)=O FZIPCQLKPTZZIM-UHFFFAOYSA-N 0.000 claims 1
- FEWJPZIEWOKRBE-XIXRPRMCSA-N Mesotartaric acid Chemical compound OC(=O)[C@@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-XIXRPRMCSA-N 0.000 claims 1
- OVYQSRKFHNKIBM-UHFFFAOYSA-N butanedioic acid Chemical compound OC(=O)CCC(O)=O.OC(=O)CCC(O)=O OVYQSRKFHNKIBM-UHFFFAOYSA-N 0.000 claims 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N fumaric acid Chemical compound OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims 1
- 239000011976 maleic acid Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000011975 tartaric acid Substances 0.000 claims 1
- 229960001367 tartaric acid Drugs 0.000 claims 1
- 235000002906 tartaric acid Nutrition 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 5
- 230000015271 coagulation Effects 0.000 abstract 1
- 238000005345 coagulation Methods 0.000 abstract 1
- 230000003111 delayed Effects 0.000 abstract 1
Abstract
การประดิษฐ์นี้เป็นวิธีการผลิตยิปซัมเผาที่ลดปริมาณน้ำที่ปนอยู่และไม่ทำให้เวลาแข็งเกาะตัว ล่าช้า เมื่อนำเอาสารจำพวกกรดคาร์บอไซลิกผสมปนใส่ลงไปในยิปซัมวัตถุดิบแล้วทำการเผานั้น ทำ ให้สามารถผลิตยิปซัมเผาได้ โดยมีน้ำที่ปนอยู่ในปริมาณน้อย รวมทั้งเวลาการแข็งเกาะตัวไม่ล่าช้า และถึงแม้การใช้ยิปซัมรีไซเคิลเป็นวัตถุดิบยิปซัมที่ทำให้ปริมาณน้ำที่ปนอยู่เพิ่มสูงขึ้นก็ตาม ยิปซัมเผา ที่ผลิตตามวิธีการที่กล่าว จะทำให้ปริมาณน้ำที่ปนอยู่มีน้อย รวมทั้งเวลาการแข็งเกาะตัวไม่ล่าช้า จึง สามารถผลิตแผ่นยิปซัมได้ โดยไม่ลดประสิทธิภาพการผลิตในการผลิตแผ่นยิปซัมให้น้อยลง This invention is a method for producing calcined gypsum that reduces the amount of water in the water and does not delay the coagulation time when the carbonic acid substances are mixed into the raw material gypsum and then burned. This made it possible to produce burnt gypsum. With a small amount of water containing Including the time of erection does not delay And although the use of recycled gypsum as a gypsum raw material increases the water content, calcined gypsum produced according to the method mentioned Will cause the amount of water to be mixed in less Including the adhesion time is not delayed, so gypsum board can be produced Without reducing the production efficiency in the production of gypsum board to a minimum
Claims (2)
Publications (3)
| Publication Number | Publication Date |
|---|---|
| TH95757A TH95757A (en) | 2009-05-29 |
| TH95757B true TH95757B (en) | 2009-05-29 |
| TH64921B TH64921B (en) | 2018-09-17 |
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