CN114015414A - Coal conveying spraying anti-freezing auxiliary agent and preparation method thereof - Google Patents
Coal conveying spraying anti-freezing auxiliary agent and preparation method thereof Download PDFInfo
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- CN114015414A CN114015414A CN202111311555.4A CN202111311555A CN114015414A CN 114015414 A CN114015414 A CN 114015414A CN 202111311555 A CN202111311555 A CN 202111311555A CN 114015414 A CN114015414 A CN 114015414A
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- coal conveying
- benzotriazole
- borax
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- 239000003245 coal Substances 0.000 title claims abstract description 40
- 238000005507 spraying Methods 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 238000007710 freezing Methods 0.000 title abstract description 14
- 239000012752 auxiliary agent Substances 0.000 title abstract description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 79
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims abstract description 77
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000012964 benzotriazole Substances 0.000 claims abstract description 38
- 229910021538 borax Inorganic materials 0.000 claims abstract description 38
- 239000004328 sodium tetraborate Substances 0.000 claims abstract description 38
- 235000010339 sodium tetraborate Nutrition 0.000 claims abstract description 38
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000654 additive Substances 0.000 claims abstract description 19
- 230000000996 additive effect Effects 0.000 claims abstract description 19
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 claims abstract description 19
- 235000019830 sodium polyphosphate Nutrition 0.000 claims abstract description 19
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000008367 deionised water Substances 0.000 claims description 33
- 229910021641 deionized water Inorganic materials 0.000 claims description 33
- 238000003756 stirring Methods 0.000 claims description 32
- 238000002156 mixing Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 238000004806 packaging method and process Methods 0.000 claims description 8
- 239000003153 chemical reaction reagent Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 2
- 230000008014 freezing Effects 0.000 abstract description 8
- 239000000428 dust Substances 0.000 abstract description 7
- 239000002817 coal dust Substances 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000009835 boiling Methods 0.000 description 6
- 230000002528 anti-freeze Effects 0.000 description 3
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- 230000009972 noncorrosive effect Effects 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/22—Materials not provided for elsewhere for dust-laying or dust-absorbing
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
A coal conveying spraying antifreezing additive and a preparation method thereof, belonging to the technical field of environmental protection; the coal conveying spraying antifreezing additive comprises the following components in percentage by mass: 34 to 52 percent of ionized water, 42 to 59 percent of ethylene glycol, 2 to 5 percent of diethylene glycol, 0.15 to 0.35 percent of borax, 0.3 to 0.5 percent of triethanolamine, 0.4 to 0.8 percent of benzotriazole, 0.2 to 0.4 percent of sodium polyphosphate, 0.25 to 0.5 percent of disodium hydrogen phosphate and 0.12 to 0.28 percent of tributyl phosphate, wherein the sum of the mass fractions of the components is 100 percent; the spraying assistant provided by the invention is used for spraying the coal conveying system, so that the dust concentration of the coal conveying system can be effectively reduced, and the environment protection and the body health of related post operating personnel are facilitated; the spraying auxiliary agent provided by the invention can prevent the coal blocks or coal dust from freezing in cold seasons, and meanwhile, the coal blocks and a coal conveying belt are prevented from freezing, so that the normal operation of equipment is guaranteed; the formula provided by the invention does not contain chloride, has no corrosion effect on a coal conveying system and related equipment, and is environment-friendly; the invention has the advantages of simple preparation process, low cost, long-term storage and suitability for popularization.
Description
Technical Field
The invention belongs to the technical field of environmental protection, and particularly relates to an antifreezing additive for a coal conveying system spray device of a coal-fired power plant and a preparation method thereof.
Background
The coal conveying system is one of the most serious places with dust pollution of a coal-fired power plant, safety accidents are easily caused by the existence of high-concentration coal dust, meanwhile, the health of related post operating personnel is threatened, the spraying of coal conveying equipment is a main method for preventing dust and suppressing dust, the temperature is low in winter in the north, the coal is easy to agglomerate by directly spraying water, coal blocks and a coal conveying belt can be frozen, and the operation of the equipment is influenced. The traditional antifreezing solution contains inorganic salt components such as calcium chloride, magnesium chloride, sodium chloride and the like, has a corrosion effect on equipment after long-term use, and causes environmental pollution due to chlorine-containing compounds generated by coal combustion, and the organic matter components contained in the traditional antifreezing solution are volatile, so that related post operators have poisoning risks, and therefore, the nontoxic and non-corrosive environment-friendly spraying auxiliary agent for northern winter climate conditions needs to be developed.
Disclosure of Invention
The invention aims to provide a coal conveying spraying anti-freezing auxiliary agent and a preparation method thereof, which are used during the operation of a power plant in winter, prevent pulverized coal from freezing or are frozen together with a coal conveying belt while preventing dust and suppressing dust, influence the normal operation of equipment, and are non-toxic and non-corrosive.
The technical scheme of the invention is as follows:
the coal conveying spraying antifreezing auxiliary is characterized in that: the coal conveying spraying antifreezing additive comprises the following components in percentage by mass: 34 to 52 percent of deionized water, 42 to 59 percent of ethylene glycol, 2 to 5 percent of diethylene glycol, 0.15 to 0.35 percent of borax, 0.3 to 0.5 percent of triethanolamine, 0.4 to 0.8 percent of benzotriazole, 0.2 to 0.4 percent of sodium polyphosphate, 0.25 to 0.5 percent of disodium hydrogen phosphate and 0.12 to 0.28 percent of tributyl phosphate, wherein the sum of the mass fractions of the components is 100 percent.
Furthermore, all the component reagents are analytical pure grade.
A preparation method of a coal conveying spraying antifreezing additive comprises the following steps:
respectively and correspondingly and fully dissolving borax and benzotriazole by using deionized water with the water temperature of 70-80 ℃ and the water temperature of 40-50 ℃ to obtain a borax solution and a benzotriazole solution for later use;
adding deionized water into a reaction kettle with a stirring paddle according to the proportion, then adding ethylene glycol and diethylene glycol, stirring for 20-30 min, after stirring uniformly, sequentially adding the borax solution and benzotriazole solution into the rest components, continuously stirring and mixing for 40-50 min, fully mixing all the materials, cooling to room temperature, and packaging for storage or direct use.
Preferably, the components are in mass percentage: 52.0 percent of deionized water, 42.0 percent of ethylene glycol, 3.6 percent of diethylene glycol, 0.35 percent of borax, 0.50 percent of triethanolamine, 0.60 percent of benzotriazole, 0.33 percent of sodium polyphosphate, 0.50 percent of disodium hydrogen phosphate and 0.12 percent of tributyl phosphate.
Preferably, the components are in mass percentage: 48.0 percent of deionized water, 46.0 percent of ethylene glycol, 4.3 percent of diethylene glycol, 0.20 percent of borax, 0.38 percent of triethanolamine, 0.48 percent of benzotriazole, 0.20 percent of sodium polyphosphate, 0.31 percent of disodium hydrogen phosphate and 0.15 percent of tributyl phosphate.
Preferably, the components are in mass percentage: 44.0 percent of deionized water, 49.9 percent of ethylene glycol, 4.1 percent of diethylene glycol, 0.15 percent of borax, 0.43 percent of triethanolamine, 0.40 percent of benzotriazole, 0.40 percent of sodium polyphosphate, 0.34 percent of disodium hydrogen phosphate and 0.28 percent of tributyl phosphate.
Preferably, the components are in mass percentage: 41.0 percent of deionized water, 54.9 percent of ethylene glycol, 2.0 percent of diethylene glycol, 0.24 percent of borax, 0.30 percent of triethanolamine, 0.80 percent of benzotriazole, 0.22 percent of sodium polyphosphate, 0.36 percent of disodium hydrogen phosphate and 0.18 percent of tributyl phosphate.
Preferably, the components are in mass percentage: 34.0% of deionized water, 59.0% of ethylene glycol, 5.0% of diethylene glycol, 0.28% of borax, 0.35% of triethanolamine, 0.66% of benzotriazole, 0.26% of sodium polyphosphate, 0.25% of disodium hydrogen phosphate and 0.20% of tributyl phosphate.
The invention adopting the technical scheme can bring the following beneficial effects:
1. the spraying assistant provided by the invention is used for spraying the coal conveying system, so that the dust concentration of the coal conveying system can be effectively reduced, and the environment protection and the body health of related post operating personnel are facilitated;
2. the spraying auxiliary agent provided by the invention can prevent the coal blocks or coal dust from freezing in cold seasons, and meanwhile, the coal blocks and a coal conveying belt are prevented from freezing, so that the normal operation of equipment is guaranteed;
3. the formula provided by the invention does not contain chloride, has no corrosion effect on a coal conveying system and related equipment, and is environment-friendly;
4. the preparation method is simple in preparation process, low in cost, capable of being stored for a long time and suitable for popularization.
Detailed Description
The coal conveying spraying antifreezing additive comprises the following components in percentage by mass: 34-52% of ionized water, 42-59% of ethylene glycol, 2-5% of diethylene glycol, 0.15-0.35% of borax, 0.3-0.5% of triethanolamine, 0.4-0.8% of benzotriazole, 0.2-0.4% of sodium polyphosphate, 0.25-0.5% of disodium hydrogen phosphate, 0.12-0.28% of tributyl phosphate, wherein the sum of the mass fractions of the components is 100%, and reagents of the components are selected from analytical grade.
A preparation method of a coal conveying spraying antifreezing additive comprises the following steps: the method comprises the following steps: respectively and correspondingly and fully dissolving borax and benzotriazole by using deionized water with the water temperature of 70-80 ℃ and the water temperature of 40-50 ℃ to obtain a borax solution and a benzotriazole solution for later use;
adding deionized water into a reaction kettle with a stirring paddle according to the proportion, then adding ethylene glycol and diethylene glycol, stirring for 20-30 min, after stirring uniformly, sequentially adding the borax solution and benzotriazole solution into the rest components, continuously stirring and mixing for 40-50 min, fully mixing all the materials, cooling to room temperature, and packaging for storage or direct use.
Example 1 the following components were mixed in the proportions (mass fractions) listed, the specific method comprising: firstly, deionized water with the water temperature of 70-80 ℃ and the water temperature of 40-50 ℃ is respectively used for correspondingly and fully dissolving borax and benzotriazole for standby;
adding deionized water into a reaction kettle with a stirring paddle, adding ethylene glycol and diethylene glycol, stirring for 20-30 min, adding the molten borax and benzotriazole solution after stirring uniformly, then sequentially adding other components, continuously stirring and mixing for 40-50 min, fully mixing all the materials, cooling to room temperature, and packaging for storage or direct use;
wherein, the deionized water is 52.0 percent, the ethylene glycol is 42.0 percent, and the diethylene glycol is 3.6 percent
0.35% of borax, 0.50% of triethanolamine, 0.60% of benzotriazole, 0.33% of sodium polyphosphate, 0.50% of disodium hydrogen phosphate and 0.12% of tributyl phosphate; the freezing point of the anti-freezing additive prepared according to the above embodiment is-25 ℃ and the boiling point is 105 ℃;
example 2 the following components were mixed in the proportions (mass fractions) listed, the specific method comprising: firstly, deionized water with the water temperature of 70-80 ℃ and the water temperature of 40-50 ℃ is respectively used for correspondingly and fully dissolving borax and benzotriazole for standby. Adding deionized water into a reaction kettle with a stirring paddle, adding ethylene glycol and diethylene glycol, stirring for 20-30 min, adding the molten borax and benzotriazole solution after stirring uniformly, then sequentially adding other components, continuously stirring and mixing for 40-50 min, fully mixing all the materials, cooling to room temperature, and packaging for storage or direct use;
wherein, deionized water is 48.0 percent, glycol is 46.0 percent, diglycol is 4.3 percent, borax is 0.20 percent, triethanolamine is 0.38 percent, benzotriazole is 0.48 percent, sodium polyphosphate is 0.20 percent, disodium hydrogen phosphate is 0.31 percent, and tributyl phosphate is 0.15 percent; the freezing point of the antifreezing agent prepared according to the above embodiment is-31 ℃ and the boiling point is 115 ℃;
example 3 the following components were mixed in the proportions (mass fractions) listed, the specific method comprising: firstly, deionized water with the water temperature of 70-80 ℃ and the water temperature of 40-50 ℃ is respectively used for correspondingly and fully dissolving borax and benzotriazole for standby. Adding deionized water into a reaction kettle with a stirring paddle, adding ethylene glycol and diethylene glycol, stirring for 20-30 min, adding the molten borax and benzotriazole solution after stirring uniformly, then sequentially adding other components, continuously stirring and mixing for 40-50 min, fully mixing all the materials, cooling to room temperature, and packaging for storage or direct use;
wherein, deionized water is 44.0 percent, glycol is 49.9 percent, diglycol is 4.1 percent, borax is 0.15 percent, triethanolamine is 0.43 percent, benzotriazole is 0.40 percent, sodium polyphosphate is 0.40 percent, disodium hydrogen phosphate is 0.34 percent, and tributyl phosphate is 0.28 percent; the freeze point of the antifreeze additive prepared according to the above embodiment is-35 ℃ and the boiling point is 124 ℃.
Example 4 the following components were mixed in the proportions (mass fractions) listed, the specific method comprising: firstly, deionized water with the water temperature of 70-80 ℃ and the water temperature of 40-50 ℃ is respectively used for correspondingly and fully dissolving borax and benzotriazole for standby. Adding deionized water into a reaction kettle with a stirring paddle, adding ethylene glycol and diethylene glycol, stirring for 20-30 min, adding the molten borax and benzotriazole solution after stirring uniformly, then sequentially adding other components, continuously stirring and mixing for 40-50 min, fully mixing all the materials, cooling to room temperature, and packaging for storage or direct use;
wherein, deionized water is 41.0 percent, ethylene glycol is 54.9 percent, diethylene glycol is 2.0 percent, borax is 0.24 percent, triethanolamine is 0.30 percent, benzotriazole is 0.80 percent, sodium polyphosphate is 0.22 percent, disodium hydrogen phosphate is 0.36 percent, and tributyl phosphate is 0.18 percent; the freeze point of the antifreeze additive prepared according to the above examples was-42 ℃ and the boiling point was 130 ℃.
Example 5 the following components were mixed in the proportions (mass fractions) listed, the specific method comprising: firstly, deionized water with the water temperature of 70-80 ℃ and the water temperature of 40-50 ℃ is respectively used for correspondingly and fully dissolving borax and benzotriazole for standby. Adding deionized water into a reaction kettle with a stirring paddle, adding ethylene glycol and diethylene glycol, stirring for 20-30 min, adding the molten borax and benzotriazole solution after stirring uniformly, then sequentially adding other components, continuously stirring and mixing for 40-50 min, fully mixing all the materials, cooling to room temperature, and packaging for storage or direct use;
wherein, deionized water is 34.0 percent, ethylene glycol is 59.0 percent, diethylene glycol is 5.0 percent, borax is 0.28 percent, triethanolamine is 0.35 percent, benzotriazole is 0.66 percent, sodium polyphosphate is 0.26 percent, disodium hydrogen phosphate is 0.25 percent, and tributyl phosphate is 0.20 percent; the freeze point of the antifreeze additive prepared according to the above examples was-52 ℃ and the boiling point was 136 ℃.
According to the method and the proportion, the freezing point range of the anti-freezing auxiliary agent prepared by the method and the proportion is-25 ℃ to-52 ℃, the boiling point range is 105 ℃ to 136 ℃, and the coal-fired power plant can select the anti-freezing auxiliary agent with the proper proportion according to the actual temperature condition of the area.
Claims (8)
1. The coal conveying spraying antifreezing auxiliary is characterized in that: the coal conveying spraying antifreezing additive comprises the following components in percentage by mass: 34 to 52 percent of deionized water, 42 to 59 percent of ethylene glycol, 2 to 5 percent of diethylene glycol, 0.15 to 0.35 percent of borax, 0.3 to 0.5 percent of triethanolamine, 0.4 to 0.8 percent of benzotriazole, 0.2 to 0.4 percent of sodium polyphosphate, 0.25 to 0.5 percent of disodium hydrogen phosphate and 0.12 to 0.28 percent of tributyl phosphate, wherein the sum of the mass fractions of the components is 100 percent.
2. The coal conveying spray antifreezing additive according to claim 1, wherein: all the component reagents are analytical pure grade.
3. The preparation method of the coal conveying spraying antifreezing additive as claimed in claim 1, wherein the method comprises the following steps:
respectively and correspondingly and fully dissolving borax and benzotriazole by using deionized water with the water temperature of 70-80 ℃ and the water temperature of 40-50 ℃ to obtain a borax solution and a benzotriazole solution for later use;
adding deionized water into a reaction kettle with a stirring paddle according to the proportion, then adding ethylene glycol and diethylene glycol, stirring for 20-30 min, adding a borax solution and a benzotriazole solution after stirring uniformly, then sequentially adding the rest components, continuing stirring and mixing for 40-50 min, fully mixing all the materials, cooling to room temperature, and packaging for storage or directly using.
4. The preparation method of the coal conveying spraying antifreezing additive as claimed in claim 3, wherein the components are mixed in the following ratio by mass percent: 52.0 percent of deionized water, 42.0 percent of ethylene glycol, 3.6 percent of diethylene glycol, 0.35 percent of borax, 0.50 percent of triethanolamine, 0.60 percent of benzotriazole, 0.33 percent of sodium polyphosphate, 0.50 percent of disodium hydrogen phosphate and 0.12 percent of tributyl phosphate.
5. The preparation method of the coal conveying spraying antifreezing additive as claimed in claim 3, wherein the components are mixed in the following ratio by mass percent: 48.0 percent of deionized water, 46.0 percent of ethylene glycol, 4.3 percent of diethylene glycol, 0.20 percent of borax, 0.38 percent of triethanolamine, 0.48 percent of benzotriazole, 0.20 percent of sodium polyphosphate, 0.31 percent of disodium hydrogen phosphate and 0.15 percent of tributyl phosphate.
6. The preparation method of the coal conveying spraying antifreezing additive as claimed in claim 3, wherein the components are mixed in the following ratio by mass percent: 44.0 percent of deionized water, 49.9 percent of ethylene glycol, 4.1 percent of diethylene glycol, 0.15 percent of borax, 0.43 percent of triethanolamine, 0.40 percent of benzotriazole, 0.40 percent of sodium polyphosphate, 0.34 percent of disodium hydrogen phosphate and 0.28 percent of tributyl phosphate.
7. The preparation method of the coal conveying spraying antifreezing additive as claimed in claim 3, wherein the components are mixed in the following ratio by mass percent: 41.0 percent of deionized water, 54.9 percent of ethylene glycol, 2.0 percent of diethylene glycol, 0.24 percent of borax, 0.30 percent of triethanolamine, 0.80 percent of benzotriazole, 0.22 percent of sodium polyphosphate, 0.36 percent of disodium hydrogen phosphate and 0.18 percent of tributyl phosphate.
8. The preparation method of the coal conveying spraying antifreezing additive as claimed in claim 3, wherein the components are mixed in the following ratio by mass percent: 34.0% of deionized water, 59.0% of ethylene glycol, 5.0% of diethylene glycol, 0.28% of borax, 0.35% of triethanolamine, 0.66% of benzotriazole, 0.26% of sodium polyphosphate, 0.25% of disodium hydrogen phosphate and 0.20% of tributyl phosphate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111311555.4A CN114015414A (en) | 2021-11-08 | 2021-11-08 | Coal conveying spraying anti-freezing auxiliary agent and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111311555.4A CN114015414A (en) | 2021-11-08 | 2021-11-08 | Coal conveying spraying anti-freezing auxiliary agent and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603380A (en) * | 2004-08-31 | 2005-04-06 | 大同煤矿集团有限责任公司 | High-efficiency antiseptic antifreezing agent for coal transportation and method for preparing same |
| CN101698793A (en) * | 2008-10-15 | 2010-04-28 | 上海港申化工有限公司 | automobile antifreeze |
| CN102146279A (en) * | 2011-02-14 | 2011-08-10 | 北京化工大学 | Antifreeze solution for coal railway transportation and preparation method thereof |
| CN102282231A (en) * | 2009-01-20 | 2011-12-14 | 纳尔科公司 | Methods and compositions for dust control and freeze conditioning |
| CN109825260A (en) * | 2019-03-12 | 2019-05-31 | 宁夏众力升汽车配件制造有限公司 | A kind of anti-icing fluid and its manufacturing method |
-
2021
- 2021-11-08 CN CN202111311555.4A patent/CN114015414A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603380A (en) * | 2004-08-31 | 2005-04-06 | 大同煤矿集团有限责任公司 | High-efficiency antiseptic antifreezing agent for coal transportation and method for preparing same |
| CN101698793A (en) * | 2008-10-15 | 2010-04-28 | 上海港申化工有限公司 | automobile antifreeze |
| CN102282231A (en) * | 2009-01-20 | 2011-12-14 | 纳尔科公司 | Methods and compositions for dust control and freeze conditioning |
| CN102146279A (en) * | 2011-02-14 | 2011-08-10 | 北京化工大学 | Antifreeze solution for coal railway transportation and preparation method thereof |
| CN109825260A (en) * | 2019-03-12 | 2019-05-31 | 宁夏众力升汽车配件制造有限公司 | A kind of anti-icing fluid and its manufacturing method |
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Application publication date: 20220208 |