CN110304856A - A kind of grinding aid preparation process - Google Patents
A kind of grinding aid preparation process Download PDFInfo
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- CN110304856A CN110304856A CN201910677347.2A CN201910677347A CN110304856A CN 110304856 A CN110304856 A CN 110304856A CN 201910677347 A CN201910677347 A CN 201910677347A CN 110304856 A CN110304856 A CN 110304856A
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- grinding aid
- waste liquid
- glycol
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- 238000000227 grinding Methods 0.000 title claims abstract description 88
- 238000002360 preparation method Methods 0.000 title claims abstract description 45
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 83
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 48
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000000126 substance Substances 0.000 claims abstract description 29
- 239000002994 raw material Substances 0.000 claims abstract description 28
- 239000004753 textile Substances 0.000 claims abstract description 26
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229940113088 dimethylacetamide Drugs 0.000 claims abstract description 24
- 235000011187 glycerol Nutrition 0.000 claims abstract description 24
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000000203 mixture Substances 0.000 claims abstract description 8
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 104
- 238000004821 distillation Methods 0.000 claims description 43
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 40
- 239000007788 liquid Substances 0.000 claims description 37
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 claims description 30
- 239000011159 matrix material Substances 0.000 claims description 29
- 239000000463 material Substances 0.000 claims description 28
- 239000002699 waste material Substances 0.000 claims description 25
- 238000010438 heat treatment Methods 0.000 claims description 21
- 239000000377 silicon dioxide Substances 0.000 claims description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 19
- 229910021389 graphene Inorganic materials 0.000 claims description 18
- 235000012054 meals Nutrition 0.000 claims description 18
- 238000009833 condensation Methods 0.000 claims description 17
- 230000005494 condensation Effects 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000007864 aqueous solution Substances 0.000 claims description 12
- 239000002894 chemical waste Substances 0.000 claims description 12
- 230000010355 oscillation Effects 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 238000005292 vacuum distillation Methods 0.000 claims description 6
- 238000013329 compounding Methods 0.000 claims description 5
- HXKKHQJGJAFBHI-UHFFFAOYSA-N 1-aminopropan-2-ol Chemical compound CC(O)CN HXKKHQJGJAFBHI-UHFFFAOYSA-N 0.000 claims description 4
- 239000004615 ingredient Substances 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims 1
- 239000004568 cement Substances 0.000 abstract description 47
- 238000000034 method Methods 0.000 abstract description 16
- 230000008569 process Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000000654 additive Substances 0.000 abstract description 4
- 230000000996 additive effect Effects 0.000 abstract description 2
- 239000002440 industrial waste Substances 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000004581 coalescence Methods 0.000 description 3
- UWJJYHHHVWZFEP-UHFFFAOYSA-N pentane-1,1-diol Chemical compound CCCCC(O)O UWJJYHHHVWZFEP-UHFFFAOYSA-N 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229920001732 Lignosulfonate Polymers 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 229940045714 alkyl sulfonate alkylating agent Drugs 0.000 description 1
- 150000008052 alkyl sulfonates Chemical class 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000000959 cryoprotective effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000004094 surface-active agent Substances 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/52—Grinding aids; Additives added during grinding
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The present invention relates to cement additive technical field more particularly to a kind of grinding aid preparation processes.The industrial wastes such as ethylene glycol, glycerine, neopentyl glycol, triethanolamine, the dimethyl acetamide that grinding aid preparation process of the present invention is generated using chemical industry or textile enterprise are that raw material prepares cement grinding aid, greatly reduce production cost, after tested, the grinding aid using effect prepared using present invention process is good, the mechanical strength of cement products can be dramatically increased, improve cement fineness and specific surface area, optimize grain composition, improve mobility, durability, compatibility and the adaptability of cement, cement grinding efficiency is improved, grinding energy and equipment attrition are reduced.
Description
Technical field
The present invention relates to cement additive technical field more particularly to a kind of grinding aid preparation processes.
Background technique
Cement grinding aid is a kind of chemical addition agent for improving cement grinding effect and performance.In the grinding mistake of clinker
A small amount of cement grinding aid is added in Cheng Zhong, can improve the grindability of material while not damaging cement performance, mitigates intergranular
Adhesive aggregation conglomeration effect is greatly reduced the Electrostatic Absorption packet ball formed in grinding process and subparticle paste ball paste liner plate phenomenon, changes
Kind cement fluidity, significantly improves the mill efficiency of grinding machine and the grinding efficiency of powder concentrator, realizes high yield and reduces grinding energy.
As a kind of chemical activator, being additionally aided using grinding aid is improved concrete scroll and excites aquation power, improves cement
Early strength and later strength, the cement products for producing acquisition have lower compacting coalescence trend, are conducive to the handling of cement,
And the wall built-up phenomenon of cement bunker can be reduced.
The type of cement grinding aid product is more, and studies in China and the cement grinding aid of application include liquid grinding aid at present
With solid grinding aid, basis belongs to greatly organic surface-active substance, predominantly amine, alcohols, alcamines, lignin
Sulfonates, fatty acid and its esters, alkyl sulfonates etc..Since the raw materials for production price of most cement grinding aids is higher,
And addition content is big, and it is higher so as to cause production cost, in addition, many grinding aid product form complicated components, ingredient is indefinite makes
Quality control difficulties, unstable product quality are obtained, and then affects using effect, causes grinding aid performance bad.Therefore, research is opened
Send out high-performance a kind of, low cost, quality are stable, mill efficiency and capacity usage ratio are high and can effectively improve the water of strength of cement
Cement grinding aids simultaneously establish corresponding process of preparing and have important practical significance to cement industry.
Summary of the invention
The present inventor tests on the basis of long term production through repeated screening and compatibility, establishes a kind of new water
Cement grinding aids preparation process.Preparation process of the present invention is that raw material prepares cement using the industrial wastes that chemical industry or textile enterprise generate
Grinding aid greatly reduces production cost.Moreover, it can be improved cement using cement grinding aid prepared by present invention process
Paste flowing degree improves the grindability of cement and the compatibility with other additives, significantly improves the mechanical strength of cement products,
Improve mill efficiency and capacity usage ratio.
The present invention provides a kind of grinding aid produced using chemical waste liquid as raw material, which is characterized in that
(1) neopentyl glycol the preparation method comprises the following steps:
The neopentyl glycol waste liquid that chemical industry or textile enterprise are generated sucks distillation still, with conduction oil indirect heating distillation still,
It is evaporated under reduced pressure, vacuum degree 0.4atm-0.5atm, vapo(u)rizing temperature is 160 DEG C -170 DEG C；The component distillated is collected in condensation,
Obtain neopentyl glycol；
(2) ethylene glycol the preparation method comprises the following steps:
The ethylene glycol waste liquid that chemical industry or textile enterprise are generated sucks distillation still, with conduction oil indirect heating distillation still, into
Row vacuum distillation, vacuum degree 0.4atm-0.5atm, vapo(u)rizing temperature are 170 DEG C -193 DEG C；The component distillated is collected in condensation, i.e.,
Obtain ethylene glycol；
(3) glycerine the preparation method comprises the following steps:
The glycerine waste liquid that chemical industry or textile enterprise are generated sucks distillation still, with conduction oil indirect heating distillation still, into
Row vacuum distillation, vacuum degree 0.4atm-0.5atm, vapo(u)rizing temperature are 210 DEG C -250 DEG C；The component distillated is collected in condensation, i.e.,
Obtain glycerine；
(4) triethanolamine the preparation method comprises the following steps:
The triethanolamine waste liquid that chemical industry or textile enterprise are generated sucks distillation still, with conduction oil indirect heating distillation still,
It is evaporated under reduced pressure, vacuum degree 0.4atm-0.5atm, vapo(u)rizing temperature is 260 DEG C -300 DEG C；The component distillated is collected in condensation,
Obtain triethanolamine；
(5) dimethyl acetamide the preparation method comprises the following steps:
The dimethyl acetamide waste liquid that chemical industry or textile enterprise generate is sucked into distillation still, is distilled with conduction oil indirect heating
Kettle is evaporated under reduced pressure, vacuum degree 0.4atm-0.5atm, and vapo(u)rizing temperature is 130 DEG C -150 DEG C；The group distillated is collected in condensation
Part to get arrive dimethyl acetamide；
(6) triethylene glycol the preparation method comprises the following steps:
The triethylene glycol waste liquid that chemical industry or textile enterprise are generated sucks distillation still, with conduction oil indirect heating distillation still,
It is evaporated under reduced pressure, vacuum degree 0.4atm-0.5atm, vapo(u)rizing temperature is 250-275 DEG C；The component distillated is collected in condensation, i.e.,
Obtain triethylene glycol.
(7) diethylene glycol the preparation method comprises the following steps:
The triethylene glycol waste liquid that chemical industry or textile enterprise are generated sucks distillation still, with conduction oil indirect heating distillation still,
It is evaporated under reduced pressure, vacuum degree 0.4atm-0.5atm, vapo(u)rizing temperature is 230-240 DEG C；The component distillated is collected in condensation, i.e.,
Obtain triethylene glycol.
Further,
The raw material of the grinding aid includes: neopentyl glycol, ethylene glycol, glycerine, triethanolamine, dimethyl acetamide,
Triethylene glycol, diethylene glycol, at least two ingredients；
The raw material of the grinding aid is all prepared using the waste liquid that chemical industry or textile enterprise generate.
Preferably,
The grinding aid includes the raw material of following parts by weight:
Neopentyl glycol 0-5；Ethylene glycol 10-50；Diethylene glycol 10-50,；
Glycerine 0-60；Triethanolamine 0-30；Dimethyl acetamide 0-5；
Triethylene glycol 2-10；Water 3-35.
Preferably,
The grinding aid includes the raw material of following parts by weight:
Ethylene glycol or glycerine 50；Triethylene glycol or triethanolamine or diethylene glycol 15；
Water 35.
Preferably,
The grinding aid includes the raw material of following parts by weight:
Neopentyl glycol 5；Ethylene glycol 35；Diethylene glycol 50；
Glycerine 10；Triethylene glycol 15；Dimethyl acetamide 5；
Water 30.
Preferably,
The grinding aid includes the raw material of following parts by weight:
Ethylene glycol 20；Triethylene glycol 15；Diethanol monoisopropanolamine 30；
Water 35.
A kind of preparation process of the grinding aid produced using chemical waste liquid as raw material, which is characterized in that including walking as follows
It is rapid:
(1) water of 45-55 parts by weight is heated to 60-65 DEG C, the neopentyl glycol of 5-7 parts by weight is added thereto, sufficiently
Stirring is completely dissolved to obtain neopentyl glycol aqueous solution to neopentyl glycol；
(2) by the ethylene glycol of 10-15 parts by weight, the glycerine of 8-12 parts by weight and 12-15 parts by weight triethanolamine,
Triethylene glycol, the 20-25 parts by weight diethylene glycol of 15-18 parts by weight mix after being separately heated to 45 DEG C, persistently stir 25-30 points
Clock obtains mixed liquor；
(3) dimethyl acetamide of mixed liquor made from neopentyl glycol aqueous solution, step (2), 20-24 parts by weight is distinguished
It is mixed after being heated to 55 DEG C, constant temperature stirring is put into after ten minutes in sonic oscillation machine, the thermostatic ultrasonic oscillation 25 under the conditions of 55 DEG C
Minute obtains grinding aid product.
Further,
A kind of preparation process of grinding aid produced using chemical waste liquid as raw material, which is characterized in that step
(3) are as follows:
The dimethyl acetamide of mixed liquor made from neopentyl glycol aqueous solution, step (2), 20-24 parts by weight is added respectively
Heat adds the conch meal of 10-15 parts by weight, the nano silica of 3-5 parts by weight, 2.5-3.5 weight to mixing after 55 DEG C
The graphene constant temperature stirring of part after ten minutes, is put into sonic oscillation machine, and thermostatic ultrasonic vibrates 35 minutes i.e. under the conditions of 55 DEG C
Obtain grinding aid product.
The present invention is during studying grinding aid raising mill efficiency, discovery graphene, nano silica and shell
Being used in compounding for powder can improve cement grinding efficiency, reduce the Electrostatic Absorption bag ball phenomenon formed in grinding process, and can drop
The coalescence trend again of the ultra-fine grain formed in low grinding process improves cement fluidity, enough raising flowing degree of net paste of cement,
Improve the grindability of cement and the compatibility with other additives, improve the grinding effect of grinding machine and the grinding efficiency of powder concentrator,
To reduce grinding energy.There is lower compacting coalescence trend using the cement that grinding aid produces, to be conducive to cement
Handling, and the wall built-up phenomenon of cement can be reduced.As a kind of chemical addition agent, grinding aid can improve concrete scroll and excite
Aquation power, to improve cement early strength and later strength.
Determining the parts by weight of the graphene, nano silica and conch meal, that specific step is as follows is described: firstly,
Sample data is constructed, is implemented are as follows: it is compounded according to the graphene of different weight part, nano silica and conch meal, and
When compounding, the temperature is 55 DEG C when controlling thermostatic ultrasonic oscillation, and in the reasonable scope, record is each not for other required conditions
The degree of Electrostatic Absorption packet ball when graphene, nano silica and the conch meal of same parts by weight are compounded extracts institute
State Electrostatic Absorption packet ball degree it is lower when the graphene, nano silica and conch meal parts by weight, formed n item note
Record, the n item is recorded to form corresponding matrix B, there is the column of n row 3 in the matrix B, and every a line of the matrix B represents one
Record, the 1st column of the matrix B represent the parts by weight of the 1st kind of material graphene, and the 2nd column of the matrix B represent the 2nd kind of material
Expect the parts by weight of nano silica, the 3rd column of the matrix B represent the parts by weight of the 3rd kind of material conch meal；
Secondly, calculating the information loss amount of each column in the matrix B first with formula (1) for the matrix B:
Wherein, HiFor the information loss amount of the i-th column of matrix B, that is, the information loss amount of i-th kind of material, n are matrix
Total line number of B, bijThe value of the i-th row jth column of representing matrix B, T are temperature when thermostatic ultrasonic vibrates, and ln () is with nature
Constant e is the logarithm at bottom, the i=1,2,3；J=1,2,3 ... n.
The information loss amount of every kind of material is found out using formula (1), the information loss of the material is bigger, resulting value
Bigger, then the coefficient value for calculating subsequent adjustment factor also will be smaller, so can be according to the loss amount of information, well
Adjust the adjustment factor.
After finding out the information loss amount of every kind of material, the adjustment factor of each column is calculated using formula (2):
Wherein, wsiFor the adjustment factor of the i-th column of matrix B, the adjustment factor of as i-th kind material, lg is bottom for 10
Logarithm；
It brings the adjustment factor into formula (3), obtains the parts by weight of every kind of material.
Adjustment factor is solved using formula (2), is to determine adjustment factor according to the relationship between data, therefore adjust system
Several objectivity is strong, and does not increase required additional introduction volume when determining coefficient, has very strong mathematical theory foundation.
Wherein, MiFor the parts by weight that the i of matrix B is arranged, that is, the parts by weight of i-th kind of material, i=1,2,3；
The M solved by formula (3)1、M2、M3It is then the graphene, nano silica and conch meal in compounding
Parts by weight；
Using formula (3) in the parts by weight of every kind of material, the adjustment factor in matrix B, Er Qiekao are not only allowed for
The parts by weight for having considered every record in record when building matrix B, since the building of matrix B is described quiet by artificially judging
Data composition when the degree of Electro Sorb packet ball is lower is to belong to a kind of subjective judgment method, so causing formula 3 sufficient
It considers subjective factor and objectively calculates, the result made more has scientific and convincingness.
Compared with prior art, the invention has the following beneficial effects:
It (1) is raw material using a large amount of chemical industry or textile industry waste liquid, and volume is lower, greatly reduces production cost, together
When be conducive to the cyclic utilization of waste, protect environment, energy-saving and emission-reduction；
(2) constituent is clear, easy to control the quality, advantageously ensures that the stabilization of product quality；
(3) using effect is good, can dramatically increase the intensity of cement products, improves cement fineness and specific surface area,
Optimize grain composition, improves grindability, durability and the adaptability of cement；
(4) improve the compatibility of cement products and concrete admixture；
(5) be conducive to improve grinding process, improve cement dispersibility and mobility, improve cement grinding efficiency, reduce powder
Grind energy consumption and equipment attrition；
(6) Electrostatic Absorption and packet ball paste mill phenomenon for effectively eliminating cement subparticle, prevent grinding machine in operation process
Generate the technological problems such as packet ball, paste mill, conveyance conduit blocking and the interior agglomeration of cement storage cavern；
(7) there are preferable slow setting and cryoprotective effects.
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.
Before further describing the specific embodiments of the present invention, it should be appreciated that protection scope of the present invention is not limited to down
State specific specific embodiment；It is also understood that term used in the embodiment of the present invention is specific specific in order to describe
Embodiment, rather than limiting the scope of protection of the present invention.
Unless otherwise defined, all technical and scientific terms and those skilled in the art of the present technique used in the present invention are usual
The meaning of understanding is identical.In addition to specific method, equipment, material used in the embodiment, according to those skilled in the art
Grasp and record of the invention to the prior art, can also use and method described in the embodiment of the present invention, equipment, material
Any method, equipment and the material of the similar or equivalent prior art realizes the present invention.
Embodiment 1:
A kind of grinding aid preparation process, includes the following steps:
(1) preparation of neopentyl glycol: the neopentyl glycol waste liquid that chemical industry or textile enterprise generate is sucked into distillation still, use is thermally conductive
Oily indirect heating distillation still, is evaporated under reduced pressure, vacuum degree 0.5atm, and vapo(u)rizing temperature is 170 DEG C；The group distillated is collected in condensation
Part to get arrive neopentyl glycol；
(2) the dimethyl acetamide waste liquid that chemical industry or textile enterprise generate the preparation of dimethyl acetamide: is sucked into distillation
Kettle is evaporated under reduced pressure with conduction oil indirect heating distillation still, vacuum degree 0.5atm, and vapo(u)rizing temperature is 150 DEG C；Condensation is received
Collect the component that distillates to get to dimethyl acetamide；
(3) preparation of ethylene glycol: the ethylene glycol waste liquid that chemical industry or textile enterprise generate is sucked into distillation still, between conduction oil
Heating distillation still is connect, is evaporated under reduced pressure, vacuum degree 0.5atm, vapo(u)rizing temperature is 193 DEG C；The component distillated is collected in condensation,
Obtain ethylene glycol；
(4) preparation of glycerine: the glycerine waste liquid that chemical industry or textile enterprise generate is sucked into distillation still, between conduction oil
Heating distillation still is connect, is evaporated under reduced pressure, vacuum degree 0.5atm, vapo(u)rizing temperature is 250 DEG C；The component distillated is collected in condensation,
Obtain glycerine；
(5) preparation of triethanolamine: the triethanolamine waste liquid that chemical industry or textile enterprise generate is sucked into distillation still, use is thermally conductive
Oily indirect heating distillation still, is evaporated under reduced pressure, vacuum degree 0.5atm, and vapo(u)rizing temperature is 300 DEG C；The group distillated is collected in condensation
Part to get arrive triethanolamine；
(6) preparation of triethylene glycol: the triethylene glycol waste liquid that chemical industry or textile enterprise generate is sucked into distillation still, use is thermally conductive
Oily indirect heating distillation still, is evaporated under reduced pressure, vacuum degree 0.4atm, and vapo(u)rizing temperature is 250 DEG C；The group distillated is collected in condensation
Part to get arrive triethylene glycol；
(7) preparation of diethylene glycol:
The triethylene glycol waste liquid that chemical industry or textile enterprise are generated sucks distillation still, with conduction oil indirect heating distillation still,
It is evaporated under reduced pressure, vacuum degree 0.5atm, vapo(u)rizing temperature is 240 DEG C；Condensation collects the component that distillates to get to three second two
Alcohol.
20-25 parts by weight diethylene glycol
Embodiment 2
A kind of grinding aid preparation process, includes the following steps:
The material preparation step used in embodiment is the same as embodiment 1
(8) water of 45 parts by weight is heated to 60 DEG C, the neopentyl glycol of 6 parts by weight is added thereto, be stirred well to new
Pentanediol is completely dissolved to obtain neopentyl glycol aqueous solution；
(9) by the ethylene glycol of 12 parts by weight, the triethanolamine of the glycerine of 10 parts by weight and 12 parts by weight, 15 parts by weight
Triethylene glycol, 20 parts by weight diethylene glycols mix after being separately heated to 45 DEG C, persistently stir 25 minutes and obtain mixed liquor；
(10) dimethyl acetamide of mixed liquor made from neopentyl glycol aqueous solution, step (9), 20 parts by weight is added respectively
Heat is to mixing after 55 DEG C, and constant temperature stirring is put into after ten minutes in sonic oscillation machine, and thermostatic ultrasonic vibrates 15 points under the conditions of 55 DEG C
Clock obtains grinding aid product.
Embodiment 3
A kind of grinding aid preparation process, includes the following steps:
The material preparation step used in embodiment is the same as embodiment 1
(8) water of 50 parts by weight is heated to 60 DEG C, the neopentyl glycol of 5 parts by weight is added thereto, be stirred well to new
Pentanediol is completely dissolved to obtain neopentyl glycol aqueous solution；
(9) by the ethylene glycol of 10 parts by weight, the triethanolamine of the glycerine of 8 parts by weight and 12 parts by weight, 15 parts by weight
Triethylene glycol, 22 parts by weight diethylene glycols mix after being separately heated to 45 DEG C, persistently stir 25 minutes and obtain mixed liquor；
(10) dimethyl acetamide of mixed liquor made from neopentyl glycol aqueous solution, step (9), 20 parts by weight is added respectively
Heat adds the graphene of the conch meal of 10 parts by weight, the nano silica of 3 parts by weight, 2.5 parts by weight to mixing after 55 DEG C
Constant temperature stirs after ten minutes, is put into sonic oscillation machine, and thermostatic ultrasonic, which vibrates 35 minutes, under the conditions of 55 DEG C obtains grinding aid
Product.
Embodiment 4
A kind of grinding aid preparation process, includes the following steps:
The material preparation step used in embodiment is the same as embodiment 1
(8) water of 55 parts by weight is heated to 65 DEG C, the neopentyl glycol of 7 parts by weight is added thereto, be stirred well to new
Pentanediol is completely dissolved to obtain neopentyl glycol aqueous solution；
(9) by the ethylene glycol of 15 parts by weight, the triethanolamine of the glycerine of 12 parts by weight and 15 parts by weight, 18 parts by weight
Triethylene glycol, 25 parts by weight diethylene glycols mix after being separately heated to 45 DEG C, persistently stir 30 minutes and obtain mixed liquor；
(10) dimethyl acetamide of mixed liquor made from neopentyl glycol aqueous solution, step (9), 24 parts by weight is added respectively
Heat adds the graphene of the conch meal of 15 parts by weight, the nano silica of 5 parts by weight, 3.5 parts by weight to mixing after 55 DEG C
Constant temperature stirs after ten minutes, is put into sonic oscillation machine, and thermostatic ultrasonic, which vibrates 35 minutes, under the conditions of 55 DEG C obtains grinding aid
Product.
Embodiment 5
It is wherein added without conch meal in step (10), the nano silica of 15 parts by weight, the graphite of 8.5 parts by weight is added
Alkene；Other are the same as embodiment 4.
Embodiment 6
It is wherein added without nano silica in step (10), the conch meal of 20 parts by weight is added；Other are the same as embodiment 4.
Embodiment 7
It is wherein added without graphene in step (10), the nano silica of 8.5 parts by weight is added；Other are the same as embodiment 4.
Embodiment 8
A kind of grinding aid preparation process, includes the following steps:
The material preparation step used in embodiment can be bought in the market with embodiment 1, diethanol monoisopropanolamine,
(8) by the ethylene glycol of 20 parts by weight, the triethanolamine of the triethylene glycol of 15 parts by weight and 30 parts by weight, 18 parts by weight
Triethylene glycol, 25 parts by weight diethylene glycols mixed after being separately heated to 45 DEG C, persistently stir and obtain mixed liquor in 30 minutes；
(9) it is mixed after mixed liquor made from the diethanol monoisopropanolamine of 30 parts by weight, step (8) being separately heated to 55 DEG C
It closes, constant temperature stirs after ten minutes, is put into sonic oscillation machine, and thermostatic ultrasonic, which vibrates 35 minutes, under the conditions of 55 DEG C obtains grinding aid
Agent product.
Comparative example
A kind of grinding aid preparation process, includes the following steps:
The material preparation step used in comparative example is the same as embodiment 1
(8) by the neopentyl glycol of 6 parts by weight, the ethylene glycol of 12 parts by weight, the glycerine of 10 parts by weight, 13.5 parts by weight
The water of triethanolamine, the dimethyl acetamide of 22 parts by weight and 50 parts by weight mixes after being separately heated to 55 DEG C, and constant temperature persistently stirs
It mixes 45 minutes and obtains grinding aid product.
Cement grinding aid performance test
Performance is carried out to using the cement grinding aid and commercially available grinding aid of 1-3 of the embodiment of the present invention and the preparation of comparative example technique
Test.Test result is as follows shown in table 1:
1 grinding aid the performance test results of table
Test result shows: compared with blank control group, the performance of cement products can be made using each test group grinding aid
Different degrees of improvement occurs.In comparison, the properties of 1-3 of embodiment of the present invention grinding aid will be substantially better than the system of changing
The comparative example product and commercially available grinding aid product of standby technique.
The preferred embodiments of the disclosure and embodiment are explained in detail above, but the present invention is not limited to
The above-described embodiment and examples can also not depart from the present invention within the knowledge of those skilled in the art
Various changes can be made under the premise of design.
Claims (9)
1. a kind of grinding aid produced using chemical waste liquid as raw material, which is characterized in that
(1) neopentyl glycol the preparation method comprises the following steps:
The neopentyl glycol waste liquid that chemical industry or textile enterprise generate is sucked into distillation still, with conduction oil indirect heating distillation still, is carried out
Vacuum distillation, vacuum degree 0.4atm-0.5atm, vapo(u)rizing temperature are 160 DEG C -170 DEG C；Condensation collect the component that distillates to get
To neopentyl glycol；
(2) ethylene glycol the preparation method comprises the following steps:
The ethylene glycol waste liquid sucking distillation still that chemical industry or textile enterprise generate is subtracted with conduction oil indirect heating distillation still
Pressure distillation, vacuum degree 0.4atm-0.5atm, vapo(u)rizing temperature are 170 DEG C -193 DEG C；The component that collection distillates is condensed to get arriving
Ethylene glycol；
(3) glycerine the preparation method comprises the following steps:
The glycerine waste liquid sucking distillation still that chemical industry or textile enterprise generate is subtracted with conduction oil indirect heating distillation still
Pressure distillation, vacuum degree 0.4atm-0.5atm, vapo(u)rizing temperature are 210 DEG C -250 DEG C；The component that collection distillates is condensed to get arriving
Glycerine；
(4) triethanolamine the preparation method comprises the following steps:
The triethanolamine waste liquid that chemical industry or textile enterprise generate is sucked into distillation still, with conduction oil indirect heating distillation still, is carried out
Vacuum distillation, vacuum degree 0.4atm-0.5atm, vapo(u)rizing temperature are 260 DEG C -300 DEG C；Condensation collect the component that distillates to get
To triethanolamine；
(5) dimethyl acetamide the preparation method comprises the following steps:
The dimethyl acetamide waste liquid that chemical industry or textile enterprise are generated sucks distillation still, with conduction oil indirect heating distillation still,
It is evaporated under reduced pressure, vacuum degree 0.4atm-0.5atm, vapo(u)rizing temperature is 130 DEG C -150 DEG C；The component distillated is collected in condensation,
Obtain dimethyl acetamide；
(6) triethylene glycol the preparation method comprises the following steps:
The triethylene glycol waste liquid that chemical industry or textile enterprise generate is sucked into distillation still, with conduction oil indirect heating distillation still, is carried out
Vacuum distillation, vacuum degree 0.4atm-0.5atm, vapo(u)rizing temperature are 250-275 DEG C；The component that collection distillates is condensed to get arriving
Triethylene glycol；
(7) diethylene glycol the preparation method comprises the following steps:
The triethylene glycol waste liquid that chemical industry or textile enterprise generate is sucked into distillation still, with conduction oil indirect heating distillation still, is carried out
Vacuum distillation, vacuum degree 0.4atm-0.5atm, vapo(u)rizing temperature are 230-240 DEG C；The component that collection distillates is condensed to get arriving
Triethylene glycol.
2. a kind of grinding aid produced using chemical waste liquid as raw material according to claim 1, which is characterized in that
The raw material of the grinding aid includes: neopentyl glycol, ethylene glycol, glycerine, triethanolamine, dimethyl acetamide, three second
At least two ingredients in glycol, diethylene glycol；
The raw material of the grinding aid is all prepared using the waste liquid that chemical industry or textile enterprise generate.
3. a kind of grinding aid produced using chemical waste liquid as raw material according to claim 1, which is characterized in that described
Grinding aid includes the raw material of following parts by weight:
Neopentyl glycol 0-5；Ethylene glycol 10-50；Diethylene glycol 10-50；
Glycerine 0-60；Triethanolamine 0-30；Dimethyl acetamide 0-5；
Triethylene glycol 2-10；Water 10-35.
4. a kind of grinding aid produced using chemical waste liquid as raw material according to claim 1, which is characterized in that described
Grinding aid includes the raw material of following parts by weight:
Ethylene glycol or glycerine 50；Triethylene glycol or triethanolamine or diethylene glycol 15；
Water 35.
5. a kind of grinding aid produced using chemical waste liquid as raw material according to claim 1, which is characterized in that described
Grinding aid includes the raw material of following parts by weight:
Neopentyl glycol 5；Ethylene glycol 35；Diethylene glycol 50；
Glycerine 10；Triethylene glycol 15；Dimethyl acetamide 5；
Water 30.
6. a kind of grinding aid produced using chemical waste liquid as raw material according to claim 1, which is characterized in that described
Grinding aid includes the raw material of following parts by weight:
Ethylene glycol 20；Triethylene glycol 15；Diethanol monoisopropanolamine 30；
Water 35.
7. a kind of preparation process of grinding aid produced using chemical waste liquid as raw material according to claim 1, special
Sign is, includes the following steps:
(1) water of 45-55 parts by weight is heated to 60-65 DEG C, the neopentyl glycol of 5-7 parts by weight is added thereto, is sufficiently stirred
It is completely dissolved to obtain neopentyl glycol aqueous solution to neopentyl glycol；
(2) by the ethylene glycol of 10-15 parts by weight, the triethanolamine of the glycerine of 8-12 parts by weight and 12-15 parts by weight, 15-18
Triethylene glycol, the 20-25 parts by weight diethylene glycol of parts by weight mix after being separately heated to 45 DEG C, persistently stir 25-30 minutes
To mixed liquor；
(3) dimethyl acetamide of mixed liquor made from neopentyl glycol aqueous solution, step (2), 20-24 parts by weight is heated respectively
It is mixed after to 55 DEG C, constant temperature stirring is put into after ten minutes in sonic oscillation machine, and thermostatic ultrasonic vibrates 25 minutes under the conditions of 55 DEG C
Obtain grinding aid product.
8. a kind of preparation process of grinding aid produced using chemical waste liquid as raw material according to claim 7, special
Sign is, step (3) are as follows:
The dimethyl acetamide of mixed liquor made from neopentyl glycol aqueous solution, step (2), 20-24 parts by weight is separately heated to
It is mixed after 55 DEG C, adds the conch meal of 10-15 parts by weight, the nano silica of 3-5 parts by weight, 2.5-3.5 parts by weight
Graphene constant temperature stirs after ten minutes, is put into sonic oscillation machine, and thermostatic ultrasonic is vibrated 35 minutes and obtained under the conditions of 55 DEG C
Grinding aid product.
9. a kind of preparation process of grinding aid produced using chemical waste liquid as raw material according to claim 8, special
Sign is,
Determining the parts by weight of the graphene, nano silica and conch meal, that specific step is as follows is described: firstly, building sample
Notebook data is implemented are as follows: it is compounded according to the graphene of different weight part, nano silica and conch meal, and in compounding,
The temperature is 55 DEG C when controlling thermostatic ultrasonic oscillation, and other required conditions in the reasonable scope, record weights different every time
The degree of Electrostatic Absorption packet ball when the graphene, nano silica and conch meal of amount part are compounded, extracts the electrostatic
The parts by weight of the graphene, nano silica and conch meal when the degree of absorption packet ball is lower, form n item record, will
The n item records to form corresponding matrix B, there is the column of n row 3 in the matrix B, and every a line of the matrix B represents a record,
1st column of the matrix B represent the parts by weight of the 1st kind of material graphene, and the 2nd column of the matrix B represent the 2nd kind of material nano
The parts by weight of silica, the 3rd column of the matrix B represent the parts by weight of the 3rd kind of material conch meal；
Secondly, calculating the information loss amount of each column in the matrix B first with formula (1) for the matrix B:
Wherein, HiFor the information loss amount of the i-th column of matrix B, that is, the information loss amount of i-th kind of material, n is the total of matrix B
Line number, bijThe value of the i-th row jth column of representing matrix B, T are temperature when thermostatic ultrasonic vibrates, and ln () is with natural constant e
For the logarithm at bottom, the i=1,2,3；J=1,2,3 ... n；
After finding out the information loss amount of every kind of material, the adjustment factor of each column is calculated using formula (2):
Wherein, wsiFor the adjustment factor of the i-th column of matrix B, the adjustment factor of as i-th kind material, lg is pair that 10 be bottom
Number；
It brings the adjustment factor into formula (3), obtains the parts by weight of every kind of material；
Wherein, MiFor the parts by weight that the i of matrix B is arranged, that is, the parts by weight of i-th kind of material, i=1,2,3；
The M solved by formula (3)1、M2、M3The then weight for the graphene, nano silica and conch meal in compounding
Measure part.
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| CN111943552A (en) * | 2020-08-14 | 2020-11-17 | 徐州吉兴新材料有限公司 | Method for producing grinding aid by using heavy alcohol rectification polymerization polyol |
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