CN105153817A - Dust-free chalk for English teaching - Google Patents
Dust-free chalk for English teaching Download PDFInfo
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- CN105153817A CN105153817A CN201510573570.4A CN201510573570A CN105153817A CN 105153817 A CN105153817 A CN 105153817A CN 201510573570 A CN201510573570 A CN 201510573570A CN 105153817 A CN105153817 A CN 105153817A
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- english teaching
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- dust
- water
- filler
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Abstract
The invention relates to a dust-free chalk for English teaching, which is prepared from the following components in parts by weight: 7-10 parts of limestone, 5-8 parts of raw gypsum, 3-5 parts of calcium oxide, 1-2 parts of adhesive, 1-2 parts of filler and 5-10 parts of water. The dust-free chalk for English teaching can not generate dust in the writing process, and thus, is beneficial to good health of teachers and students in the teaching process.
Description
Technical field
The present invention relates to teaching field, be specifically related to a kind of English teaching dust-free chalk.
Background technology
The making method of current chalk is mainly: with terra alba, Paris white for raw material, add water after reacting liquefied, perfusion particular manufacturing craft curing molding, obtain the chalk that finished product aforesaid method obtains after demoulding mummification and easily produce dust in the process of writing, pollute teaching environment, be unfavorable for the health of teaching process Ability of Normal School Students.
Summary of the invention
In sum, for solving existing technical problem, the invention provides a kind of English teaching dust-free chalk.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of English teaching dust-free chalk, and the component comprising following parts by weight is made: Wingdale 7-10 part, plaster stone 5-8 part, calcium oxide 3-5 part, binding agent 1-2 part, filler 1-2 part and water 5-10 part.
A making method for English teaching chalk, comprises following step:
(1) component of following parts by weight is taken: Wingdale 7-10 part, plaster stone 5-8 part, calcium oxide 3-5 part, binding agent 1-2 part, filler 1-2 part and water 5-10 part;
(2) Wingdale, plaster stone, calcium oxide and the water Hybrid Heating that step (1) are taken, and be stirred to pasty state;
(3) add binding agent that step (1) takes and stir;
(4) add filler that step (1) takes and stir;
(5) pasty mixture that step (4) obtains is poured into model, solidify, can dust-free chalk be obtained.
Further, described binding agent is lipid or polyalcohols material.
Further, described filler is clay or muddy limestone.
Further, the water in step (2) is distilled water.
Further, 60 DEG C are heated in step (2).
The invention has the beneficial effects as follows: the invention provides a kind of English teaching dust-free chalk, can not dust be produced in the process of writing, be conducive to the health of teaching process Ability of Normal School Students.
Embodiment
Be described principle of the present invention and feature below in conjunction with specific examples, example, only for explaining the present invention, is not intended to limit scope of the present invention.
Embodiment 1
A making method for English teaching chalk, comprises following step:
(1) take the component of following parts by weight: 7 parts, Wingdale, plaster stone 5 parts, 3 parts, calcium oxide, binding agent 1 part, filler 1 part and 5 parts, water, preferably, described water is distilled water;
(2) Wingdale, plaster stone, calcium oxide and the water Hybrid Heating that step (1) are taken to 60 DEG C, and are stirred to pasty state;
(3) add binding agent that step (1) takes and stir, wherein binding agent is oil substances;
(4) add filler that step (1) takes and stir, wherein filler is clay;
(5) pasty mixture that step (4) obtains is poured into model, solidify, can dust-free chalk be obtained.
Embodiment 2
A making method for English teaching chalk, comprises following step:
(1) take the component of following parts by weight: 8 parts, Wingdale, plaster stone 6 parts, 4 parts, calcium oxide, binding agent 1.5 parts, filler 1.5 parts and 8 parts, water, preferably, described water is distilled water;
(2) Wingdale, plaster stone, calcium oxide and the water Hybrid Heating that step (1) are taken to 60 DEG C, and are stirred to pasty state;
(3) add binding agent that step (1) takes and stir, wherein binding agent is polyalcohols material;
(4) add filler that step (1) takes and stir, wherein filler is muddy limestone;
(5) pasty mixture that step (4) obtains is poured into model, solidify, can dust-free chalk be obtained.
Embodiment 3
A making method for English teaching chalk, comprises following step:
(1) take the component of following parts by weight: 10 parts, Wingdale, plaster stone 8 parts, 5 parts, calcium oxide, binding agent 2 parts, filler 2 parts and 10 parts, water, preferably, described water is distilled water;
(2) Wingdale, plaster stone, calcium oxide and the water Hybrid Heating that step (1) are taken to 60 DEG C, and are stirred to pasty state;
(3) add binding agent that step (1) takes and stir, wherein binding agent is polyalcohols material;
(4) add filler that step (1) takes and stir, wherein filler is clay;
(5) pasty mixture that step (4) obtains is poured into model, solidify, can dust-free chalk be obtained.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. an English teaching dust-free chalk, is characterized in that, the component comprising following parts by weight is made: Wingdale 7-10 part, plaster stone 5-8 part, calcium oxide 3-5 part, binding agent 1-2 part, filler 1-2 part and water 5-10 part.
2. a making method for English teaching chalk, is characterized in that, comprises following step:
(1) component of following parts by weight is taken: Wingdale 7-10 part, plaster stone 5-8 part, calcium oxide 3-5 part, binding agent 1-2 part, filler 1-2 part and water 5-10 part;
(2) Wingdale, plaster stone, calcium oxide and the water Hybrid Heating that step (1) are taken, and be stirred to pasty state;
(3) add binding agent that step (1) takes and stir;
(4) add filler that step (1) takes and stir;
(5) pasty mixture that step (4) obtains is poured into model, solidify, can dust-free chalk be obtained.
3. the making method of a kind of English teaching chalk according to claim 2, is characterized in that, described binding agent is lipid or polyalcohols material.
4. the making method of a kind of English teaching chalk according to claim 2, is characterized in that, described filler is clay or muddy limestone.
5. the making method of a kind of English teaching chalk according to any one of Claims 1-4, is characterized in that, the water in step (2) is distilled water.
6. the making method of a kind of English teaching chalk according to any one of Claims 1-4, is characterized in that, step is heated to 60 DEG C in (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510573570.4A CN105153817A (en) | 2015-09-10 | 2015-09-10 | Dust-free chalk for English teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510573570.4A CN105153817A (en) | 2015-09-10 | 2015-09-10 | Dust-free chalk for English teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105153817A true CN105153817A (en) | 2015-12-16 |
Family
ID=54794883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510573570.4A Pending CN105153817A (en) | 2015-09-10 | 2015-09-10 | Dust-free chalk for English teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105153817A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109021715A (en) * | 2018-07-03 | 2018-12-18 | 赵宏伟 | A kind of preparation method and application method of the ferromagnetism Dustproof chalk for teaching |
| CN111363414A (en) * | 2018-12-25 | 2020-07-03 | 湖南昌迅科技环保股份有限公司 | Method for preparing chalk by taking salt gypsum as raw material |
| CN113479001A (en) * | 2021-07-26 | 2021-10-08 | 玉树市结古石笔书法艺术传播有限责任公司 | Synthetic stone pen |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201380666Y (en) * | 2009-01-21 | 2010-01-13 | 南通芯迎设计服务有限公司 | Chalk fixed device with pivot structure |
| CN101780743A (en) * | 2009-01-21 | 2010-07-21 | 南通芯迎设计服务有限公司 | Chalk fixing device with pivot structure |
-
2015
- 2015-09-10 CN CN201510573570.4A patent/CN105153817A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201380666Y (en) * | 2009-01-21 | 2010-01-13 | 南通芯迎设计服务有限公司 | Chalk fixed device with pivot structure |
| CN101780743A (en) * | 2009-01-21 | 2010-07-21 | 南通芯迎设计服务有限公司 | Chalk fixing device with pivot structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109021715A (en) * | 2018-07-03 | 2018-12-18 | 赵宏伟 | A kind of preparation method and application method of the ferromagnetism Dustproof chalk for teaching |
| CN111363414A (en) * | 2018-12-25 | 2020-07-03 | 湖南昌迅科技环保股份有限公司 | Method for preparing chalk by taking salt gypsum as raw material |
| CN113479001A (en) * | 2021-07-26 | 2021-10-08 | 玉树市结古石笔书法艺术传播有限责任公司 | Synthetic stone pen |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151216 |
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| RJ01 | Rejection of invention patent application after publication |