CN103060042A - Waterproofing agent used on briquette surface and preparation method thereof, and waterproof briquette and manufacturing method thereof - Google Patents
Waterproofing agent used on briquette surface and preparation method thereof, and waterproof briquette and manufacturing method thereof Download PDFInfo
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- CN103060042A CN103060042A CN2013100041859A CN201310004185A CN103060042A CN 103060042 A CN103060042 A CN 103060042A CN 2013100041859 A CN2013100041859 A CN 2013100041859A CN 201310004185 A CN201310004185 A CN 201310004185A CN 103060042 A CN103060042 A CN 103060042A
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Abstract
The invention relates to a waterproof agent used on briquette surface and a preparation method thereof, and a waterproof briquette and a manufacturing method thereof. The waterproof agent comprises, by weight, 1-3 parts of potassium dichromate, 1-3 parts of potassium aluminum sulfate, 1-3 parts of copper sulfate, and 1-3 parts of potassium chromium sulfate with equal mass proportions, and 300-500 parts of water glass and 50-70 parts of water. According to the invention, the 50-70 parts by weight of water is heated to 95-100 DEG C; various alums are added, and are completely dissolved by stirring; the material is subjected to standing, and is naturally cooled to 40-55 DEG C; 300-500 parts by weight of the water glass is added; and the mixture is stirred for 20-40min, such that the waterproofing agent is obtained. Briquette is soaked in the waterproofing agent for a certain period of time, and is air-dried, such that waterproof briquette is obtained. The waterproof briquette provided by the invention has the advantages of small additive dose, good waterproof performance, easy transportation, and easy storage.
Description
Technical field
The present invention relates to the waterproof field, particularly relate to a kind of water-resisting agent for the moulded coal surface, moulded coal waterproof technology and water-proof briquette coal.
Background technology
In order to take full advantage of coal resources, advocate coal powder formation, substitute lump coal with moulded coal.But moulded coal can be pulverized after making moist, meet water, poor water resistance, inconvenience transportation and storage.At present general terms of settlement is to add binding agent in coal dust, take water glass as main body, is equipped with auxiliary material again and water is made binding agent, with making moulded coal after this binding agent and the coal dust blend.This complicated process of preparation since with the coal dust blend, the addition of binding agent is large in the moulded coal of making.This technique can't realize water-proof function in type moulded coal.
Summary of the invention
The purpose of this invention is to provide a kind of water-resisting agent for the moulded coal surface, moulded coal waterproof technology and water-proof briquette coal, the moulded coal good waterproof performance of making, the difficult pulverizing.
Technical scheme is as follows:
A kind of water-resisting agent for the moulded coal surface is characterized in that: each 1-3 weight part of multiple alum of mass ratio such as contain, water glass 300-500 weight part, water 50-70 weight part; Described multiple alum comprises: potassium bichromate, potassium aluminium sulfate, copper sulfate and potassium chromium sulfate.
Further, described multiple alum also comprises: ferrous sulfate.
Further, each 1 weight part of described potassium bichromate, potassium aluminium sulfate, copper sulfate and potassium chromium sulfate, described water glass 400 weight parts, described water 60 weight parts.
Further, each 1 weight part of described potassium bichromate, potassium aluminium sulfate, copper sulfate, potassium chromium sulfate and ferrous sulfate, described water glass 400 weight parts, described water 60 weight parts.
The preparation method of described water-resisting agent is characterized in that: the water of 50-70 weight part is heated to 95-100 ℃, then described multiple alum is added simultaneously, after stirring makes it to dissolve fully, leave standstill and naturally cool to 40-55 ℃; The water glass that adds at last the 300-500 weight part stirs 20-40min and gets final product.
Described water-resisting agent is characterized in that: the water of 50-70 weight part is heated to 95-100 ℃, then described multiple alum is added simultaneously, after stirring makes it to dissolve fully, leave standstill and naturally cool to 40-55 ℃; The water glass that adds at last the 300-500 weight part is made water-resisting agent behind the stirring 20-40min.
The manufacture method of the water-proof briquette coal of described water-resisting agent is characterized in that: with moulded coal in the described water-resisting agent of making successive soaking 12-24 hour, dries under 30-45 ℃ after taking out.
Further, moulded coal was soaked 6-10 hour in the described water-resisting agent of making, take out after drying under 30-45 ℃, put into again described water-resisting agent and soaked 1-3 hour, under 30-45 ℃, dry after taking out.
The water-proof briquette coal of described water-resisting agent is contained on a kind of surface, it is characterized in that, the water-resisting agent thickness on described moulded coal surface is 0.2～0.7mm.
Further, the thickness of the water-resisting agent on described moulded coal surface is 0.5mm.
Beneficial effect of the present invention:
1) by moulded coal is soaked certain hour in this water-resisting agent, the moulded coal that skin is surrounded by water-resisting agent has good water resistance: spray experiment 48 hours, and the water-intake rate of moulded coal is less than 1.5%; Immersion test 48 hours, immersion intensity is 350-570N/, and water-intake rate is less than 2.5%, and moulded coal can not pulverized because of moist, water logging;
2) in transportation and storage process, this water-resisting agent is sprayed in type moulded coal surface, water resistance that can the Effective Raise moulded coal is convenient to transportation and storage;
3) consumption of water-resisting agent of the present invention is few, and total amount is less than 5%, so that the moulded coal ash content reduces relatively, calorific value increases relatively, and technique is simple, and cost is low.
Embodiment
Below by enumerating embodiment the present invention is specifically described, following all umbers are weight part.
Use the manufacture method of the water-proof briquette coal of this water-resisting agent:, under 30-45 ℃, dries after taking out moulded coal in the water-resisting agent of making successive soaking 12-24 hour; Perhaps moulded coal was soaked 6-10 hour in the water-resisting agent of making, take out after drying under 30-45 ℃, put into again this water-resisting agent and soaked 1-3 hour, under 30-45 ℃, dry after taking out.The water-resisting agent thickness on moulded coal surface and waterproof effect thereof increase along with the increase of moulded coal soak time in water-resisting agent, and advancing the speed reduces gradually.
The present invention uses the manufacture method of water-proof briquette coal of this water-resisting agent preferred:
Technique 1: with moulded coal successive soaking 12 hours in water-resisting agent, under 30-45 ℃, dries after taking out; Perhaps first moulded coal was soaked in water-resisting agent 6 hours, take out after drying under 30-45 ℃, put into again water-resisting agent and soaked 2 hours, under 30-45 ℃, dry after taking out; Through the analysis of waterproof test data, the water-proof briquette coal that uses this water-resisting agent to make can be resisted the heavy showers weather in the north.
Technique 2: with moulded coal successive soaking 24 hours in water-resisting agent, under 30-45 ℃, dries after taking out; Perhaps first moulded coal was soaked in water-resisting agent 10 hours, take out after drying under 30-45 ℃, put into again water-resisting agent and soaked 2 hours, take out and under 30-45 ℃, dry; Through the analysis of waterproof test data, the water-proof briquette coal that uses this water-resisting agent to make can be resisted southern many days continuous heavy showers weather.
Performance Detection through the water-proof briquette coal after the embodiment processing: after the successive soaking certain hour takes out in water-resisting agent with moulded coal, the massfraction of weighing water-resisting agent that calculating absorbs before dry; PX6 does spray test according to the waterproof standard I, to water-proof briquette coal continuous water spray 48 hours, tests its water-intake rate; PX8 does water immersion test according to the waterproof standard I, to water-proof briquette coal progressive flooding 48 hours, tests its water-intake rate and immersion intensity.
Embodiment 1
A kind of water-resisting agent for the moulded coal surface, its component and each component concentration are: wait the multiple alum of mass ratio, comprising: respectively 1 part of potassium bichromate, potassium aluminium sulfate, copper sulfate, potassium chromium sulfate, 300 parts of water glass, 50 parts in water.
The preparation method of water-resisting agent: 50 parts of water are heated to 95-100 ℃, then multiple alum are added simultaneously, after stirring makes it to dissolve fully, leave standstill and naturally cool to 40-55 ℃; Add at last 300 parts of water glass, be stirred to the mixing solutions solid colour, churning time is 20-40min, makes this water-resisting agent.
The moulded coal that adopts the water-resisting agent among the embodiment 1 to make, its Performance Detection is as follows: use the water-resisting agent of present embodiment according to the moulded coal of technique 1 manufacturing, absorb water-resisting agent massfraction be 2.9%, waterproofing layer thickness is 0.4mm, after the spray experiment, the water-intake rate 1.5% of moulded coal, and coal body does not ftracture; According to the moulded coal that technique 2 is made, the massfraction that institute absorbs water-resisting agent is 4.3%, and waterproofing layer thickness is 0.7mm, behind the immersion test, and the immersion intensity 352N/ of moulded coal, water-intake rate 2.5%, and coal body is less than ftractureing.
Embodiment 2
A kind of water-resisting agent for the moulded coal surface, its component and each component concentration are: wait the multiple alum of mass ratio, comprising: respectively 2 parts of potassium bichromate, potassium aluminium sulfate, copper sulfate, potassium chromium sulfates, 400 parts of water glass, 60 parts in water.
The preparation method of water-resisting agent: 60 parts of water are heated to 95-100 ℃, then multiple alum are added simultaneously, after stirring makes it to dissolve fully, leave standstill and naturally cool to 40-55 ℃; Add at last 400 parts of water glass, be stirred to the mixing solutions solid colour, churning time is 20-40min, makes this water-resisting agent.
The moulded coal that adopts the water-resisting agent among the embodiment 2 to make, its performance detection data is as shown in table 1.
Embodiment 3
A kind of water-resisting agent for the moulded coal surface, its component and each component concentration are: wait the multiple alum of mass ratio, comprising: respectively 3 parts of potassium bichromate, potassium aluminium sulfate, copper sulfate, potassium chromium sulfates, 500 parts of water glass, 70 parts in water.
The preparation method of water-resisting agent: 70 parts of water are heated to 95-100 ℃, then multiple alum are added simultaneously, after stirring makes it to dissolve fully, leave standstill and naturally cool to 40-55 ℃; Add at last 500 parts of water glass, be stirred to the mixing solutions solid colour, churning time is 20-40min, makes this water-resisting agent.
The moulded coal that adopts the water-resisting agent among the embodiment 3 to make, its performance detection data is as shown in table 1.
Embodiment 4
A kind of water-resisting agent for the moulded coal surface, its component and each component concentration are: wait the multiple alum of mass ratio, comprising: respectively 1 part of potassium bichromate, potassium aluminium sulfate, copper sulfate, potassium chromium sulfate, 400 parts of water glass, 60 parts in water.
The preparation method of water-resisting agent: 60 parts of water are heated to 95-100 ℃, then multiple alum are added simultaneously, after stirring makes it to dissolve fully, leave standstill and naturally cool to 40-55 ℃; Add at last 400 parts of water glass, be stirred to the mixing solutions solid colour, churning time is 20-40min, makes this water-resisting agent.
The moulded coal that adopts the water-resisting agent among the embodiment 4 to make, its Performance Detection is as follows: use the water-resisting agent of present embodiment according to the moulded coal of technique 1 manufacturing, absorb water-resisting agent massfraction be 2.5%, waterproofing layer thickness is 0.3mm, after the spray experiment, the water-intake rate 1.0% of moulded coal, and coal body does not ftracture; According to the moulded coal that technique 2 is made, the massfraction that institute absorbs water-resisting agent is 4.3%, and waterproofing layer thickness is 0.5mm, behind the immersion test, and the immersion intensity 566N/ of moulded coal, water-intake rate 1.7%, and coal body is less than ftractureing.
Embodiment 5
A kind of water-resisting agent for the moulded coal surface, its component and each component concentration are: wait the multiple alum of mass ratio, comprising: respectively 1.3 parts of potassium bichromate, potassium aluminium sulfate, copper sulfate, potassium chromium sulfates, 470 parts of water glass, 62 parts in water.
The preparation method of water-resisting agent: 62 parts of water are heated to 95-100 ℃, then multiple alum are added simultaneously, after stirring makes it to dissolve fully, leave standstill and naturally cool to 40-55 ℃; Add at last 470 parts of water glass, be stirred to the mixing solutions solid colour, churning time is 20-40min, makes this water-resisting agent.
The moulded coal that adopts the water-resisting agent among the embodiment 5 to make, its performance detection data is as shown in table 1.
Table 1
Embodiment 6
A kind of water-resisting agent for the moulded coal surface, its component and each component concentration are: wait the multiple alum of mass ratio, comprising: respectively 2.7 parts of potassium bichromate, potassium aluminium sulfate, copper sulfate, potassium chromium sulfates, 360 parts of water glass, 54 parts in water.
The preparation method of water-resisting agent: 54 parts of water are heated to 95-100 ℃, then multiple alum are added simultaneously, after stirring makes it to dissolve fully, leave standstill and naturally cool to 40-55 ℃; Add at last 360 parts of water glass, be stirred to the mixing solutions solid colour, churning time is 20-40min, makes this water-resisting agent.
The moulded coal that adopts the water-resisting agent among the embodiment 6 to make, its performance detection data is as shown in table 2.
Embodiment 7
A kind of water-resisting agent for the moulded coal surface, its component and each component concentration are: wait the multiple alum of mass ratio, comprising: respectively 2.1 parts of potassium bichromate, potassium aluminium sulfate, copper sulfate, potassium chromium sulfates, 390 parts of water glass, 68 parts in water.
The preparation method of water-resisting agent: 68 parts of water are heated to 95-100 ℃, then multiple alum are added simultaneously, after stirring makes it to dissolve fully, leave standstill and naturally cool to 40-55 ℃; Add at last 390 parts of water glass, be stirred to the mixing solutions solid colour, churning time is 20-40min, makes this water-resisting agent.
The moulded coal that adopts the water-resisting agent among the embodiment 7 to make, its performance detection data is as shown in table 2.
Embodiment 8
A kind of water-resisting agent for the moulded coal surface, its component and each component concentration are: wait the multiple alum of mass ratio, comprising: respectively 2 parts in potassium bichromate, copper sulfate, potassium chromium sulfate, potassium aluminium sulfate, ferrous sulfate, 300 parts of water glass, 50 parts in water.
The preparation method of water-resisting agent: 50 parts of water are heated to 95-100 ℃, then multiple alum are added simultaneously, after stirring makes it to dissolve fully, leave standstill and naturally cool to 40-55 ℃; Add at last 300 parts of water glass, be stirred to the mixing solutions solid colour, churning time is 20-40min, makes this water-resisting agent.
The moulded coal that adopts the water-resisting agent among the embodiment 8 to make, its performance detection data is as shown in table 2.
Embodiment 9
A kind of water-resisting agent for the moulded coal surface, its component and each component concentration are: wait the multiple alum of mass ratio, comprising: respectively 1 part in potassium bichromate, copper sulfate, potassium chromium sulfate, potassium aluminium sulfate, ferrous sulfate, 400 parts of water glass, 60 parts in water.
The preparation method of water-resisting agent: 60 parts of water are heated to 95-100 ℃, then multiple alum are added simultaneously, after stirring makes it to dissolve fully, leave standstill and naturally cool to 40-55 ℃; Add at last 400 parts of water glass, be stirred to the mixing solutions solid colour, churning time is 20-40min, makes this water-resisting agent.
The moulded coal that adopts the water-resisting agent among the embodiment 9 to make, its performance detection data is as follows: use the water-resisting agent of present embodiment according to the moulded coal of technique 1 manufacturing, absorb water-resisting agent massfraction be 2.6%, waterproofing layer thickness is 0.4mm, after the spray experiment, the water-intake rate 1.0% of moulded coal, and coal body does not ftracture; According to the moulded coal that technique 2 is made, the massfraction that institute absorbs water-resisting agent is 4.5%, and waterproofing layer thickness is 0.6mm, behind the immersion test, and the immersion intensity 581N/ of moulded coal, water-intake rate 1.5%, and coal body is less than ftractureing.
Embodiment 10
A kind of water-resisting agent for the moulded coal surface, its component and each component concentration are: wait the multiple alum of mass ratio, comprising: respectively 3 parts in potassium bichromate, copper sulfate, potassium chromium sulfate, potassium aluminium sulfate, ferrous sulfate, 500 parts of water glass, 70 parts in water.
The preparation method of water-resisting agent: 70 parts of water are heated to 95-100 ℃, then multiple alum are added simultaneously, after stirring makes it to dissolve fully, leave standstill and naturally cool to 40-55 ℃; Add at last 500 parts of water glass, be stirred to the mixing solutions solid colour, churning time is 20-40min, makes this water-resisting agent.
The moulded coal that adopts the water-resisting agent among the embodiment 10 to make, its performance detection data is as follows: use the water-resisting agent of present embodiment according to the moulded coal of technique 1 manufacturing, absorb water-resisting agent massfraction be 2.9%, waterproofing layer thickness is 0.2mm, after the spray experiment, the water-intake rate 1.3% of moulded coal, and coal body does not ftracture; According to the moulded coal that technique 2 is made, the massfraction that institute absorbs water-resisting agent is 4.7%, and waterproofing layer thickness is 0.4mm, behind the immersion test, and the immersion intensity 498N/ of moulded coal, water-intake rate 1.9%, and coal body is less than ftractureing.
Table 2
Embodiment 11
A kind of water-resisting agent for the moulded coal surface, its component and each component concentration are: each 2 parts of 1 part of potassium bichromate, copper sulfate and potassium chromium sulfates, 3 parts of potassium aluminium sulfates, 400 parts of water glass, 60 parts in water.
The preparation method of water-resisting agent: 60 parts of water are heated to 95-100 ℃, then multiple alum are added simultaneously, after stirring makes it to dissolve fully, leave standstill and naturally cool to 40-55 ℃; Add at last 400 parts of water glass, be stirred to the mixing solutions solid colour, churning time is 20-40min, makes this water-resisting agent.
The moulded coal that adopts the water-resisting agent among the embodiment 11 to make, its Performance Detection is as follows: use the water-resisting agent of present embodiment according to the moulded coal of technique 1 manufacturing, absorb water-resisting agent massfraction be 2.7%, waterproofing layer thickness is 0.3mm, after the spray experiment, the water-intake rate 2.8% of moulded coal, coal body is cracking not; According to the moulded coal that technique 2 is made, the massfraction that institute absorbs water-resisting agent is 4.9%, and waterproofing layer thickness is 0.6mm, and behind the immersion test, the immersion intensity of moulded coal is that 290N/ is individual, and water-intake rate is 13.7%, and coal body has a small amount of cracklin.
Compare with embodiment 4: various alum with etc. the quality proportioning add the waterproof effect of making moulded coal in the water-resisting agent, apparently higher than the non-waterproof effect that waits the water-resisting agent that mass ratio makes of various alum.
In addition, in transportation and storage process, this water-resisting agent can be sprayed in type moulded coal surface, water resistance that can the Effective Raise moulded coal is convenient to transportation and storage.
Claims (10)
1. water-resisting agent that is used for the moulded coal surface is characterized in that: each 1-3 weight part of multiple alum of mass ratio such as contain, water glass 300-500 weight part, water 50-70 weight part;
Described multiple alum comprises: potassium bichromate, potassium aluminium sulfate, copper sulfate and potassium chromium sulfate.
2. the water-resisting agent for the moulded coal surface as claimed in claim 1, it is characterized in that: described multiple alum also comprises: ferrous sulfate.
3. the water-resisting agent for the moulded coal surface as claimed in claim 1 is characterized in that: each 1 weight part of described potassium bichromate, potassium aluminium sulfate, copper sulfate and potassium chromium sulfate, described water glass 400 weight parts, described water 60 weight parts.
4. the water-resisting agent for the moulded coal surface as claimed in claim 2 is characterized in that: each 1 weight part of described potassium bichromate, potassium aluminium sulfate, copper sulfate, potassium chromium sulfate and ferrous sulfate, described water glass 400 weight parts, described water 60 weight parts.
5. such as the preparation method of water-resisting agent as described in each in the claim 1～4, it is characterized in that: the water of 50-70 weight part is heated to 95-100 ℃, then described multiple alum is added simultaneously, stir make it to dissolve fully after, leave standstill and naturally cool to 40-55 ℃; The water glass that adds at last the 300-500 weight part stirs 20-40min and gets final product.
6. such as each described water-resisting agent in the claim 1～4, it is characterized in that: the water of 50-70 weight part is heated to 95-100 ℃, then described multiple alum is added simultaneously, after stirring makes it to dissolve fully, leave standstill and naturally cool to 40-55 ℃; The water glass that adds at last the 300-500 weight part is made water-resisting agent behind the stirring 20-40min.
7. manufacture method with water-proof briquette coal of water-resisting agent as claimed in claim 6 is characterized in that: with moulded coal in the described water-resisting agent of making successive soaking 12-24 hour, dries under 30-45 ℃ after taking out.
8. manufacture method with water-proof briquette coal of water-resisting agent as claimed in claim 6, it is characterized in that: moulded coal was soaked 6-10 hour in the described water-resisting agent of making, taking-up is after drying under 30-45 ℃, put into again described water-resisting agent and soaked 1-3 hour, under 30-45 ℃, dry after taking out.
9. the as claimed in claim 6 water-proof briquette coal of water-resisting agent is contained on a surface, it is characterized in that, the water-resisting agent thickness on described moulded coal surface is 0.2～0.7mm.
10. want 9 described water-proof briquette coals such as right, it is characterized in that: the thickness of the water-resisting agent on described moulded coal surface is 0.5mm.
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| CN2013100041859A CN103060042A (en) | 2013-01-07 | 2013-01-07 | Waterproofing agent used on briquette surface and preparation method thereof, and waterproof briquette and manufacturing method thereof |
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| CN2013100041859A CN103060042A (en) | 2013-01-07 | 2013-01-07 | Waterproofing agent used on briquette surface and preparation method thereof, and waterproof briquette and manufacturing method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103496879A (en) * | 2013-09-22 | 2014-01-08 | 张寅秋 | Mortar waterproof agent |
| CN104962301A (en) * | 2015-06-10 | 2015-10-07 | 和县伊迈炭业有限责任公司 | Method for processing charcoal with wood chips |
| CN115109483A (en) * | 2022-08-10 | 2022-09-27 | 汇克涂料(湖南)有限公司 | Roller coating stone-like paint, preparation method and application thereof |
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| CN1240818A (en) * | 1998-07-07 | 2000-01-12 | 贺温 | Method for making industrial briquette |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103496879A (en) * | 2013-09-22 | 2014-01-08 | 张寅秋 | Mortar waterproof agent |
| CN103496879B (en) * | 2013-09-22 | 2015-03-18 | 张寅秋 | Mortar waterproof agent |
| CN104962301A (en) * | 2015-06-10 | 2015-10-07 | 和县伊迈炭业有限责任公司 | Method for processing charcoal with wood chips |
| CN104962301B (en) * | 2015-06-10 | 2017-10-20 | 和县伊迈炭业有限责任公司 | A kind of method of utilization wood fragments bits processing charcoal |
| CN115109483A (en) * | 2022-08-10 | 2022-09-27 | 汇克涂料(湖南)有限公司 | Roller coating stone-like paint, preparation method and application thereof |
| CN115109483B (en) * | 2022-08-10 | 2023-09-08 | 汇克涂料(湖南)有限公司 | Rolling-coating stone-like paint, preparation method and application thereof |
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Application publication date: 20130424 |