CN116283311A - Production process and formula of liquid dispergation enhancer - Google Patents
Production process and formula of liquid dispergation enhancer Download PDFInfo
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- CN116283311A CN116283311A CN202310220339.1A CN202310220339A CN116283311A CN 116283311 A CN116283311 A CN 116283311A CN 202310220339 A CN202310220339 A CN 202310220339A CN 116283311 A CN116283311 A CN 116283311A
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- 239000007788 liquid Substances 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000003623 enhancer Substances 0.000 title claims description 19
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 36
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000003756 stirring Methods 0.000 claims abstract description 22
- 239000000706 filtrate Substances 0.000 claims abstract description 18
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 17
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 16
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 14
- HIFJUMGIHIZEPX-UHFFFAOYSA-N sulfuric acid;sulfur trioxide Chemical compound O=S(=O)=O.OS(O)(=O)=O HIFJUMGIHIZEPX-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 13
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 229920005610 lignin Polymers 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 11
- VJOCYCQXNTWNGC-UHFFFAOYSA-L calcium;benzenesulfonate Chemical compound [Ca+2].[O-]S(=O)(=O)C1=CC=CC=C1.[O-]S(=O)(=O)C1=CC=CC=C1 VJOCYCQXNTWNGC-UHFFFAOYSA-L 0.000 claims abstract description 10
- 238000001914 filtration Methods 0.000 claims abstract description 10
- 239000000047 product Substances 0.000 claims abstract description 9
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 8
- 159000000000 sodium salts Chemical class 0.000 claims abstract description 8
- 239000002253 acid Substances 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 238000002425 crystallisation Methods 0.000 claims abstract description 5
- 230000008025 crystallization Effects 0.000 claims abstract description 5
- 238000001704 evaporation Methods 0.000 claims abstract description 5
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 5
- 238000004806 packaging method and process Methods 0.000 claims abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims abstract description 4
- 239000000843 powder Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 7
- 238000009472 formulation Methods 0.000 claims description 6
- 239000012257 stirred material Substances 0.000 claims description 3
- 239000002002 slurry Substances 0.000 abstract description 14
- 239000012744 reinforcing agent Substances 0.000 abstract description 8
- 230000009974 thixotropic effect Effects 0.000 abstract description 4
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 239000000243 solution Substances 0.000 description 11
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 239000004927 clay Substances 0.000 description 8
- 235000019738 Limestone Nutrition 0.000 description 6
- 239000006028 limestone Substances 0.000 description 6
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 5
- 235000011941 Tilia x europaea Nutrition 0.000 description 5
- 239000004571 lime Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000011449 brick Substances 0.000 description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 3
- 239000000292 calcium oxide Substances 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 3
- 238000003763 carbonization Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000008267 milk Substances 0.000 description 3
- 210000004080 milk Anatomy 0.000 description 3
- 235000013336 milk Nutrition 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002087 whitening effect Effects 0.000 description 2
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 2
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 241001274961 Rubus repens Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 235000013527 bean curd Nutrition 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- WJZUYMUHOIOLAC-UHFFFAOYSA-L calcium;carbonate;hexahydrate Chemical compound O.O.O.O.O.O.[Ca+2].[O-]C([O-])=O WJZUYMUHOIOLAC-UHFFFAOYSA-L 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000005406 washing Methods 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
- C04B35/634—Polymers
- C04B35/63448—Polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B35/63488—Polyethers, e.g. alkylphenol polyglycolether, polyethylene glycol [PEG], polyethylene oxide [PEO]
Abstract
The invention relates to the technical field of debonder, in particular to a production process and a formula of a liquid debonder reinforcing agent, comprising the steps of firstly, pouring benzene into a reaction kettle, and heating; step two, when the temperature is raised to 60 ℃, fuming sulfuric acid with the content of 8% is added, and stirring is continuously carried out; step three, after acid is added, the temperature of the material is raised to about 100 ℃, stirring is carried out, and then the material is cooled and then is neutralized to pH=6 by calcium hydroxide and calcium carbonate; step four, filtering the neutralization solution, adding sodium carbonate into the filtrate, converting calcium benzenesulfonate into sodium salt, evaporating the filtrate until crystallization appears, cooling, crystallizing, drying and crushing; step five, adding lignin into the filtrate according to the sequence, mixing and stirring; and step six, packaging the mixture to obtain a finished product for shipment. The invention can avoid the problems of high viscosity and high thixotropic property of the dispergator, influence on the ball discharge of slurry, influence on the whiteness of a blank body and cause the sandwich or black heart of the blank body.
Description
Technical Field
The invention relates to the technical field of debonder, in particular to a production process and a formula of a liquid debonder reinforcing agent.
Background
The reinforcing agent is generally a single compound or a chemical additive of a compound, and can be added into the ceramic pug to enhance the carrying strength of the ceramic pug. The ceramic reinforcing agent in the market is continuously innovated and developed, the performance is improved compared with the performance, but the ceramic reinforcing agent has the defects of relatively unsatisfactory strength and high strength, and the corresponding viscosity is higher, so that the ball discharge of slurry is influenced. The existing reinforcing agent is also generally low in strength and thixotropic, and influences the phenomena of slurry ball discharge, green body whiteness, green body sandwich or black core and the like, so that a production process and a formula of the powder dispergation reinforcing agent are needed to solve the problems.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide a production process and a formula of a powder dispergation enhancer, which are used for solving the problems of high viscosity, high thixotropy, influence on slurry ball discharge, influence on blank whiteness and cause body filling or black heart in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a production process and a formula of a liquid dispergation enhancer comprise the following steps:
step one, pouring benzene into a reaction kettle, and heating to raise the temperature;
step two, when the temperature is raised to 60 ℃, fuming sulfuric acid with the content of 8% is added, and stirring is continuously carried out;
step three, after acid is added, the temperature of the material is raised to about 100 ℃, stirring is carried out, and then the material is cooled and then is neutralized to pH=6 by calcium hydroxide and calcium carbonate;
step four, filtering the neutralization solution, adding sodium carbonate into the filtrate, converting calcium benzenesulfonate into sodium salt, evaporating the filtrate until crystallization appears, cooling, crystallizing, drying and crushing;
step five, adding lignin into the filtrate according to the sequence, mixing and stirring;
and step six, packaging the mixture to obtain a finished product for shipment.
Preferably, in the second step, the ratio of benzene to 8% oleum is 10:7, continuously stirring at the temperature below 75 ℃.
Preferably, in the third step, stirring is performed for 2 hours, and the stirred material is cooled to below 50 ℃.
Preferably, after the calcium benzenesulfonate is converted into sodium salt in the fourth step, the calcium carbonate is removed by filtration.
Preferably, the lignin in the fifth step is 20-40% in proportion to the filtrate: 80-60.
The preferred formulation comprises: benzene, oleum with 8% content, calcium hydroxide, calcium carbonate, sodium carbonate, and lignin.
Compared with the prior art, the invention has the beneficial effects that:
1. the production process and the formula of the powder dispergation enhancer are extremely easy to dissolve in water, the aqueous solution has no viscosity and also has stronger dispergation property, the flow rate of slurry is accelerated after the powder dispergation enhancer is added, compared with other enhancers, the addition amount of water reducing agents can be greatly reduced, the water content of the slurry can be reduced, the high energy consumption of a spray drying tower is saved, the product is not easy to spoil for a long time after being added into the slurry, the condition that lignin or cellulose is invalid or greatly reduced after being stored for more than 24 hours is avoided, the strength is obviously increased, the sandwich or black core phenomenon is not a green environment-friendly product, compared with the enhancer with peculiar smell and dust, the enhancement is beneficial to the improvement of the operating environment and the physical and mental health of operators, the thixotropic property of the slurry can be further improved, the thixotropic property of the slurry is reduced, the slurry is not easy to appear in 'beancurd jelly' phenomenon, and the slurry is beneficial to the control on transportation;
2. the production process and the formula of the powder dispergation enhancer can replace the rare clay at present, the adding amount of the mixture ratio of the green bricks is reduced, the clay can be correspondingly reduced by more than 3 percent when 0.1 percent is added, the green strength is greatly improved before drying or after drying, the ball milling efficiency is improved, a large amount of cost is saved, the whiteness of the green bricks can be increased by about 3 degrees after the plastic clay with higher iron content is replaced, the using amount of zirconium silicate whitening agent can be reduced, the adding amount of a larger pigment proportion is saved, the burning loss of the plastic clay is reduced due to the reduction of the clay, the low-temperature quick burning can be realized, the kiln yield is improved, the fuel cost is saved, the moisture of the clay which is whiter than the clay is less volatile, the defects of the green brick surface and even the glaze surface can be reduced, the occurrence of pinhole phenomenon is reduced, the cost of about 10 percent can be reduced by about 8 percent of the energy source cost of about 20 percent after the clay is little added, the formula structure is adjusted, the service efficiency of the zirconium silicate whitening agent is improved, the service life of the liquid dispergation enhancer is prolonged, and the paste is different from the liquid dispergation enhancer after being applied to a paste, and the paste is different from a paste to a paste baking agent.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
An embodiment of the present invention provides: a process for preparing the reinforcing agent for dissolving powder includes such steps as pouring benzene in reactor, heating to become an organic compound, which is the simplest aromatic hydrocarbon, C6H6, and the colorless transparent liquid with sweetness, combustibility and carcinogenic toxicity, and strong fragrance, and is slightly soluble in water and easily dissolved in organic solvent; step two, when the temperature is raised to 60 ℃, 8% fuming sulfuric acid is added, stirring is continuously carried out, fuming sulfuric acid is sulfuric acid solution of sulfur trioxide, when the fuming sulfuric acid solution is exposed to air, volatilized SO3 and water vapor in the air form tiny dew drops of sulfuric acid to generate smoke, SO that the fuming sulfuric acid solution is called fuming sulfuric acid, colorless or slightly colored thick liquid, choking sulfur trioxide smog can be generated, the fuming sulfuric acid solution is sulfuric acid containing excessive sulfur trioxide, more than 50% of sulfur trioxide is cooled to form crystalline, the fuming sulfuric acid solution has strong water absorption, when the fuming sulfuric acid solution is mixed with water, the sulfur trioxide is combined with water to form sulfuric acid, the relative density is about 1.9, the solidifying point is greatly changed along with the concentration, the rising and falling trend is shown, the solidifying point of fuming sulfuric acid containing 20% of free sulfur trioxide is 2.5 ℃, and the content of free sulfur trioxide is increased, when the free sulfur trioxide is 45%, the solidifying point is up to 35.0 ℃, the content of the free sulfur trioxide is gradually increased, the solidifying point is rapidly reduced, explosion is easily caused by water, organic matters and oxidants, strong corrosiveness is caused, fuming sulfuric acid is required to be stored, the operation is closed, ventilation is noted, the operation is mechanized and automated as much as possible, operators must be specially trained, strict adherence to operation rules is achieved, the operators are recommended to wear self-priming filtering type gas mask, wear rubber acid and alkali resistant clothing, wear rubber acid and alkali resistant gloves, keep away from inflammable and combustible matters, prevent steam from leaking into the air of a workplace, avoid contacting alkali, active metal powder and reducing agents, light loading and unloading are required during carrying, package and container damage is prevented, leakage emergency treatment equipment is provided, and the emptied container may remain harmful substances;
step three, after acid is added, the temperature of the material is raised to about 100 ℃, stirring is carried out, and then the material is cooled and then is neutralized to pH=6 by calcium hydroxide and calcium carbonate;
step four, filtering the neutralization solution, adding sodium carbonate into the filtrate, converting calcium benzenesulfonate into sodium salt, evaporating the filtrate until crystallization appears, cooling, crystallizing, drying and crushing;
step five, adding lignin into the filtrate according to the sequence, mixing and stirring;
and step six, packaging the mixture to obtain a finished product for shipment.
In the second step, the ratio of benzene to 8% oleum is 10:7, continuously stirring at the temperature below 75 ℃.
In the third step, stirring is needed for 2 hours, the stirred materials are required to be cooled to below 50 ℃, calcium hydroxide is fine white powder at normal temperature and is slightly dissolved in water, and a clarified aqueous solution of the calcium hydroxide is commonly called clarified lime water and an emulsion suspension formed by the calcium hydroxide and water is called lime milk. And the solubility decreases with the temperature, after the limestone is calcined into calcium oxide, the limestone is carefully selected and mixed with water according to the proportion of 1: (3-3.5), generating calcium hydroxide feed liquid, purifying, separating, removing slag, centrifugally dewatering, drying at 150-300 ℃, and screening (more than 120 meshes) to obtain the calcium hydroxide finished product.
In the fourth step, after the calcium benzenesulfonate is converted into sodium salt, the calcium carbonate is required to be filtered to remove, the calcium carbonate is white fine crystalline powder, odorless, amorphous and crystalline, the crystalline form can be divided into an orthorhombic system and a hexagonal system (anhydrous calcium carbonate is colorless orthorhombic, hexahydrate calcium carbonate is colorless monoclinic), the calcium benzenesulfonate is columnar or rhombic, the density is 2.93g/cm3, the melting point is 1339 ℃ (825-896.6 ℃ and decomposed), the melting point is 1289 ℃ under 10.7MPa, the calcium benzenesulfonate is insoluble in alcohol and is almost insoluble in water, the production of light calcium carbonate from limestone comprises the procedures of calcination, digestion, carbonization, classification, drying, crushing and the like, the calcium carbonate content in the raw material limestone is more than 96%, the magnesium salt content is about 1%, the iron and aluminum oxide content is less than 0.5%, therefore, the limestone is selected before use, and crushed to 50-150 mm, the method comprises the steps of crushing coal to a granularity of 38-50 mm, continuously operating a lime kiln which is a vertical kiln, mixing coal and limestone in a ratio of 1:8-1:11, adding the mixture into the kiln from the top, calcining at 900-1100 ℃, continuously adding raw materials from the top of the kiln, continuously taking out generated calcium oxide from the bottom of the kiln, continuously taking out carbon dioxide generated by decomposition reaction, dedusting, washing, drying, compressing, delivering the carbon dioxide to a carbonization process, adding the calcium oxide into a lime melting tank, digesting with 3-5 times of water for about 90 ℃ for 1.5-2 h, filtering to remove impurities, delivering the digested lime milk with a concentration of 10-18 DEG Be into a slurry storage tank, stirring, delivering the carbonized lime milk into a vertical gas bubbling reactor, compressing refined carbon dioxide gas, introducing the carbonized carbon dioxide gas from the bottom of the carbonization tower into the tower through a gas distributor, the calcium carbonate slurry is put into a slaked slurry tank, and then dehydrated by a centrifugal machine, wherein the water content of the dehydrated calcium carbonate is between 32% and 42%, the dehydrated calcium carbonate is called wet powder, the wet powder is continuously input into a rotary drying furnace for drying, the water content of materials discharged from the drying furnace is lower than 0.3%, and the finished product is obtained after cooling, crushing and sieving.
In the fifth step, the ratio of lignin to filtrate is 20-40: 80-60.
The formula comprises: benzene, oleum with 8% content, calcium hydroxide, calcium carbonate, sodium carbonate, and lignin.
Working principle: adding benzene into a reaction kettle, heating, adding fuming sulfuric acid with the content of 8%, continuously stirring, adding acid, heating the material to about 100 ℃, stirring, cooling the material, neutralizing with calcium hydroxide and calcium carbonate to the pH value of=6, filtering the neutralization solution, filtering to remove the calcium carbonate, adding sodium carbonate into the filtrate, converting calcium benzenesulfonate into sodium salt, evaporating the filtrate until crystallization appears, cooling, crystallizing, drying, crushing, adding lignin into the filtrate, mixing and stirring, packaging the mixture, discharging the finished product, drying the liquid dispergation enhancer, and obtaining the powder dispergation enhancer.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A production process and a formula of a liquid dispergation enhancer are characterized by comprising the following steps:
step one, pouring benzene into a reaction kettle, and heating to raise the temperature;
step two, when the temperature is raised to 60 ℃, fuming sulfuric acid with the content of 8% is added, and stirring is continuously carried out;
step three, after acid is added, the temperature of the material is raised to about 100 ℃, stirring is carried out, and then the material is cooled and then is neutralized to pH=6 by calcium hydroxide and calcium carbonate;
step four, filtering the neutralization solution, adding sodium carbonate into the filtrate, converting calcium benzenesulfonate into sodium salt, evaporating the filtrate until crystallization appears, cooling, crystallizing, drying and crushing;
step five, adding lignin into the filtrate according to the sequence, mixing and stirring;
and step six, packaging the mixture to obtain a finished product for shipment.
2. The process and formulation for producing a liquid debonder enhancer of claim 1 wherein: the ratio of benzene to 8% oleum in the second step is 10:7, continuously stirring at the temperature below 75 ℃.
3. The process and formulation for producing a liquid debonder enhancer of claim 1 wherein: in the third step, stirring is needed for 2 hours, and the stirred materials are required to be cooled to below 50 ℃.
4. The process and formulation for producing a liquid debonder enhancer of claim 1 wherein: and in the fourth step, after the calcium benzenesulfonate is converted into sodium salt, the calcium carbonate is removed by filtration.
5. The process and formulation for producing a liquid debonder enhancer of claim 1 wherein: in the fifth step, the ratio of lignin to filtrate is 20-40: 80-60.
6. A formulation for producing a powder debonder enhancer according to any of claims 1-5, comprising: benzene, oleum with 8% content, calcium hydroxide, calcium carbonate, sodium carbonate, and lignin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310220339.1A CN116283311A (en) | 2023-03-09 | 2023-03-09 | Production process and formula of liquid dispergation enhancer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310220339.1A CN116283311A (en) | 2023-03-09 | 2023-03-09 | Production process and formula of liquid dispergation enhancer |
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| CN116283311A true CN116283311A (en) | 2023-06-23 |
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| CN202310220339.1A Pending CN116283311A (en) | 2023-03-09 | 2023-03-09 | Production process and formula of liquid dispergation enhancer |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1465073A (en) * | 1973-02-23 | 1977-02-23 | American Pelletizing Corp | Granules containing calcium and/or magnesium-bearing raw material and an expanding clay binding agent and a process for making the same |
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