CN212864625U - Pigment yellow 13 synthesis equipment - Google Patents
Pigment yellow 13 synthesis equipment Download PDFInfo
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- CN212864625U CN212864625U CN202021091137.XU CN202021091137U CN212864625U CN 212864625 U CN212864625 U CN 212864625U CN 202021091137 U CN202021091137 U CN 202021091137U CN 212864625 U CN212864625 U CN 212864625U
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- kettle
- centrifugal pump
- metering tank
- diazo
- pigment yellow
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- 239000000049 pigment Substances 0.000 title claims abstract description 37
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 11
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 11
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 claims abstract description 56
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 claims abstract description 31
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000005859 coupling reaction Methods 0.000 claims abstract description 29
- 230000008878 coupling Effects 0.000 claims abstract description 28
- 238000010168 coupling process Methods 0.000 claims abstract description 28
- 235000010288 sodium nitrite Nutrition 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 20
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 18
- 235000011089 carbon dioxide Nutrition 0.000 claims abstract description 18
- 238000004537 pulping Methods 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- DYRDKSSFIWVSNM-UHFFFAOYSA-N acetoacetanilide Chemical compound CC(=O)CC(=O)NC1=CC=CC=C1 DYRDKSSFIWVSNM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims abstract description 8
- 239000003513 alkali Substances 0.000 claims abstract description 6
- 230000001804 emulsifying effect Effects 0.000 claims abstract description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- FZERHIULMFGESH-UHFFFAOYSA-N N-phenylacetamide Chemical compound CC(=O)NC1=CC=CC=C1 FZERHIULMFGESH-UHFFFAOYSA-N 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 229920002313 fluoropolymer Polymers 0.000 claims description 3
- 229960001413 acetanilide Drugs 0.000 claims description 2
- 239000012528 membrane Substances 0.000 abstract description 5
- 239000002351 wastewater Substances 0.000 abstract description 5
- 238000004090 dissolution Methods 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 18
- 238000006193 diazotization reaction Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000012860 organic pigment Substances 0.000 description 4
- HUWXDEQWWKGHRV-UHFFFAOYSA-N 3,3'-Dichlorobenzidine Chemical compound C1=C(Cl)C(N)=CC=C1C1=CC=C(N)C(Cl)=C1 HUWXDEQWWKGHRV-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
- 239000001052 yellow pigment Substances 0.000 description 3
- OSNILPMOSNGHLC-UHFFFAOYSA-N 1-[4-methoxy-3-(piperidin-1-ylmethyl)phenyl]ethanone Chemical compound COC1=CC=C(C(C)=O)C=C1CN1CCCCC1 OSNILPMOSNGHLC-UHFFFAOYSA-N 0.000 description 2
- LPDSNGAFAJYVKH-UHFFFAOYSA-N 4-(4-aminophenyl)-2,3-dichloroaniline Chemical compound C1=CC(N)=CC=C1C1=CC=C(N)C(Cl)=C1Cl LPDSNGAFAJYVKH-UHFFFAOYSA-N 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 2
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 2
- 239000012954 diazonium Substances 0.000 description 2
- 150000001989 diazonium salts Chemical class 0.000 description 2
- 239000002552 dosage form Substances 0.000 description 2
- 229960001484 edetic acid Drugs 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 2
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- -1 azo acid yellow Chemical compound 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- MYONAGGJKCJOBT-UHFFFAOYSA-N benzimidazol-2-one Chemical compound C1=CC=CC2=NC(=O)N=C21 MYONAGGJKCJOBT-UHFFFAOYSA-N 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 235000019233 fast yellow AB Nutrition 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- PXZQEOJJUGGUIB-UHFFFAOYSA-N isoindolin-1-one Chemical compound C1=CC=C2C(=O)NCC2=C1 PXZQEOJJUGGUIB-UHFFFAOYSA-N 0.000 description 1
- AJDFNQRIAVDGQT-UHFFFAOYSA-N n-chloro-4-[4-(chloroamino)phenyl]aniline Chemical compound C1=CC(NCl)=CC=C1C1=CC=C(NCl)C=C1 AJDFNQRIAVDGQT-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920006215 polyvinyl ketone Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000004227 thermal cracking Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model discloses a pigment yellow 13 synthesis device, which comprises a sodium nitrite dissolution kettle, a hydrochloric acid metering tank, a sodium nitrite solution metering tank, a diazo kettle, a first centrifugal pump, a tubular filter, a particle dry ice manufacturing machine, an acetoacetanilide pulping kettle, an emulsifying pump, a coupling kettle, a liquid alkali metering tank, a magnetic filter barrel, a second centrifugal pump and a dark flow membrane filter press; the sodium nitrite dissolving kettle is communicated with the inner cavity of the diazo kettle through a first centrifugal pump and a sodium nitrite solution metering tank in sequence; the hydrochloric acid metering tank is communicated with the inner cavity of the diazo kettle; the diazo kettle is communicated with the inner cavity of the coupling kettle sequentially through the first centrifugal pump and the tubular filter. The utility model discloses can solve the technical problem who how to optimize pigment yellow 13's synthesizer, make its easy operation, it is of high quality, the waste water volume is few.
Description
Technical Field
The utility model relates to a synthetic equipment of pigment yellow 13.
Background
The pigment yellow has various types, mainly comprises isoindolinone pigments, benzimidazolone pigments, benzidine yellow pigments, azo acid yellow pigments, polyvinyl ketone azo pigments and the like, and is widely applied to the industries of coatings, plastics, textiles, printing ink and the like. By changing the molecular structure inside the organic pigment yellow, high-grade organic pigment with bright color, excellent heat resistance, weather fastness and solvent resistance can be prepared, and the organic pigment can be widely applied to the fields of high-grade automobile finish, high-grade engineering plastics, resin, fiber products and the like. While pigment yellow 12, pigment yellow 13, pigment yellow 83 in the benzidine yellow pigments are the three pigments most commonly used in the organic pigment yellow series.
The molecular structural formula of pigment yellow 13 is as follows:
the dosage forms of the variety have 135 brands. Compared with pigment yellow 12, the modified pigment yellow has better solvent resistance and crystallization resistance and excellent migration resistance, accords with the color tone of printing ink, and is more adopted in Europe, such as pigment yellow 127 and pigment yellow 176. The strength is 25% higher under the same specific surface area and particle size; recrystallization is not easy to occur in ball milling, and the light fastness of the same depth is 1-2 grade higher than that of pigment yellow 12; the dosage form has high transparency, translucency and high nontransparent type, such as I rga l ite yellow BKW with the specific surface area of 10m 2/g. A large amount of the product is used for packaging printing ink, glazing resistant paint and sterilization treatment; the dye is used for coloring plastics, the migration resistance is good in soft PVC, the light fastness is grade 6-7, and the dye is limited to be used below 200 ℃ in HDPE due to the thermal cracking effect of the dye, and is only 0.12%.
The prior literature reports methods for synthesizing pigment yellow 13: adding 30% hydrochloric acid into a diazo kettle, adding dichlorobenzidine, pulping and dissolving, adding water for dilution, adding ice for cooling, adding sodium nitrite for diazotization, adding diatomite or active carbon for decoloration after diazotization is finished, and filtering to obtain diazo liquid containing diazonium salt. Adding water, liquid alkali and 2, 4-dimethyl-N-acetoacetanilide into a coupling kettle, stirring for dissolving, then adding hydrochloric acid or acetic acid, carrying out acid precipitation, adding sodium acetate, then cooling, adding diazo liquid, after coupling is finished, adding liquid alkali for adjusting the pH value, then heating, adding rosin and calcium chloride, and after reaction is finished, filtering and washing to obtain pigment yellow 13. The pigment yellow 13 obtained by the method has the advantages of good product quality, high cost, large dissolved and separated wastewater amount and high wastewater COD.
SUMMERY OF THE UTILITY MODEL
The utility model provides a yellow 13's of pigment synthesizer solves the technical problem who how to optimize yellow 13's of pigment synthesizer, makes its easy operation, and is of high quality, and the waste water volume is few.
The pigment yellow 13 synthesis equipment comprises a sodium nitrite dissolution kettle, a hydrochloric acid metering tank, a sodium nitrite solution metering tank, a diazo kettle, a first centrifugal pump, a tubular filter, a particle dry ice manufacturing machine, an acetoacetanilide pulping kettle, an emulsion pump, a coupling kettle, a liquid alkali metering tank, a magnetic filter barrel, a second centrifugal pump and a dark flow diaphragm filter press; the sodium nitrite dissolving kettle is communicated with the inner cavity of the diazo kettle through a first centrifugal pump and a sodium nitrite solution metering tank in sequence; the hydrochloric acid metering tank is communicated with the inner cavity of the diazo kettle; the diazo kettle is communicated with the inner cavity of the coupling kettle through a first centrifugal pump and a tubular filter in sequence; the particle dry ice manufacturing machine is provided with two branch channels, wherein one branch channel is communicated with the inner cavity of the diazo kettle, and the other branch channel is communicated with the inner cavity of the coupling kettle; the liquid caustic soda metering tank and the acetacetanilide pulping kettle are respectively communicated with the inner cavity of the coupling kettle; and a liquid outlet of the coupling kettle is communicated with the magnetic filter barrel, the second centrifugal pump and the undercurrent diaphragm filter press in sequence.
The tubular filter is filled with diatomite or active carbon.
The dark current diaphragm filter press is a dark current plate and frame filter press.
The first centrifugal pump and the second centrifugal pump are both fluoroplastic centrifugal pumps.
And the sodium nitrite dissolving kettle, the diazo kettle, the acetanilide pulping kettle and the coupling kettle are all provided with feed ports.
The branch channel is open.
The utility model has the advantages that:
1. the dry ice is used for refrigeration, so that the cost is low, the refrigeration effect is good, and the waste water is less.
2. And the tubular filter is adopted, so that the equipment investment is reduced, and the operation flow is reduced.
3. The acetoacetanilide is pulped and emulsified, so that the investment of other raw materials is reduced, and the cost is reduced.
4. The magnetic filter is adopted to remove iron, the operation is convenient, and the product quality is improved.
In conclusion, the process flow and the equipment are simple to operate, the product quality is good, the cost is low, and the quantity of three wastes is small.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
in the figure, 1, a diazo kettle, 2, a hydrochloric acid metering tank, 3, a sodium nitrite solution metering tank, 4, a sodium nitrite dissolving kettle, 5, a first centrifugal pump, 6, a tubular filter, 7, a particle dry ice manufacturing machine, 8, a blind flow membrane filter press, 9, an acetoacetanilide pulping kettle, 10, an emulsifying pump, 11, a coupling kettle, 12, a liquid alkali metering tank, 13, a magnetic filter barrel and 14, a second centrifugal pump are arranged.
Detailed Description
Referring to fig. 1, the pigment yellow 13 synthesis equipment in the figure comprises a diazo kettle 1, a hydrochloric acid metering tank 2, a sodium nitrite solution metering tank 3, a sodium nitrite dissolving kettle 4, a first centrifugal pump 5, a tubular filter 6, a particle dry ice manufacturing machine 7, an acetoacetanilide pulping kettle 9, an emulsification pump 10, a coupling kettle 11, a liquid caustic soda metering tank 12, a magnetic filter barrel 13, a second centrifugal pump 14 and a dark flow membrane filter press 8. The components are all existing components, the innovation point of the scheme is that the design of product production is completed by the connection relation of the components, corresponding valves are designed among the components, and the existing conventional components such as a material conveying pump are added according to needs.
The connection relation of the components is as follows: the sodium nitrite dissolving kettle 4 forms a material circulation relationship with the inner cavity of the diazo kettle 1 through a first centrifugal pump 5, a sodium nitrite solution metering tank 3 and a pipeline in sequence, so that the sodium sulfite solution is led into the diazo kettle 1 according to a specific amount; the hydrochloric acid metering tank 2 and the inner cavity of the diazo kettle 1 form a material circulation relationship by using a pipeline, so that the hydrochloric acid solution is introduced into the diazo kettle 1 according to a specific amount; the diazotization reaction of the sodium nitrite solution and the hydrochloric acid solution is carried out in a diazotization kettle 1 to form the 3,3' -dichlorobenzidine solution.
The bottom of the diazotization kettle 1 forms a material flow relationship with the inner cavity of the coupling kettle 11 through a first centrifugal pump 5, a tubular filter 6 and a pipeline in sequence, so that a diazonium salt solution formed by diazotization in the diazotization kettle 1, namely a 3,3' -dichlorobenzidine solution, is introduced into the coupling kettle 11 to wait for the coupling reaction with the 2, 4-dimethyl-N-acetoacetanilide to form pigment yellow 13.
The dry ice outlet of the granular dry ice making machine 7 is provided with two branch channels, wherein one branch channel is communicated with the inner cavity of the diazo kettle 1, and the other branch channel is communicated with the inner cavity of the coupling kettle 11; the branch channel adopts a non-closed structure with an opening, such as a groove-shaped structure, so that the danger caused by the expansion of the gasified volume of the dry ice is avoided or the pipe diameter of the branch channel is designed to be a safe size. The liquid caustic soda metering tank 12, the acetacetanilide pulping kettle 9 and the inner cavity of the coupling kettle 22 form a material circulation relationship by using pipelines respectively; the liquid outlet of the coupling kettle 22 sequentially passes through the magnetic filter barrel 13, the second centrifugal pump 14 and the undercurrent membrane filter press 8 to form a material circulation relationship by using pipelines, so that the filter press for the pigment yellow 13 is formed.
In practical application, the tubular filter 6 is filled with diatomite or activated carbon, the blind flow diaphragm filter press 8 is a blind flow plate-and-frame filter press, the first centrifugal pump 5 and the second centrifugal pump 14 are both fluoroplastic centrifugal pumps, and the sodium nitrite dissolution kettle 4, the diazo kettle 1, the acetoacetanilide pulping kettle 9 and the coupling kettle 11 are respectively provided with corresponding material feeding ports.
Understanding the above connection relationships, such as communication or connection, will be understood by those skilled in the art from the description of the embodiment and the representation in fig. 1, and the embodiment expressed by the present idea will be clearly understood by those skilled in the art from the description of the embodiment and the representation in fig. 1.
The reaction equation of the scheme is as follows:
1. diazotization:
2. Coupling:
The operation process and principle of the scheme are as follows:
300kg of water and 150.5kg of sodium nitrite are added to a sodium nitrite dissolution kettle 4, stirred to be fully dissolved, and pumped to a sodium nitrite solution metering tank 3 by a pump for standby. The granulated dry ice maker 7 prepares dry ice for use. Adding 3000kg of water into a diazo kettle 1, adding 600kg of hydrochloric acid from a hydrochloric acid metering tank 2, starting stirring, adding 275kg of dichlorobenzidine, beating and stirring, dissolving, then adding dry ice into a granular dry ice manufacturing machine 7, cooling to-5-0 ℃, quickly adding a sodium nitrite solution into a sodium nitrite solution metering tank 3 for diazotization, controlling the reaction temperature to be below 3 ℃ by adding dry ice in the granular dry ice manufacturing machine 7 during the reaction, and reacting for 0.75-1.5h until potassium iodide starch test paper is bluish.
4000kg of water and 2kg of EDTA (ethylene diamine tetraacetic acid) are added into an acetoacetanilide pulping kettle 9, stirring is started, 434kg of 2, 4-dimethyl-N-acetoacetanilide is added, the mixture is pulped for 2 hours, then a coupled liquid emulsion pump is added into a coupling kettle through an emulsion pump 10, stirring is started, the volume is adjusted to 8000L, dry ice is added into the tank 8, the temperature is reduced to 8-10 ℃, a pigment yellow 13 is obtained by coupling the diazo pump into the coupling kettle 11 through a first centrifugal pump-5 and a tubular filter 6, 30kg of 30% liquid caustic soda is dropped into a liquid caustic soda metering tank 12 after the diazo liquid is added, the pH value of the solution is adjusted to 3.5-4, stirring is carried out for 0.5-1 hour, 60kg of rosin and 30kg of anhydrous calcium chloride are added after the temperature is increased to 50 ℃, the temperature is increased to 55-60 ℃ after the diazo liquid is added, the reaction is finished at the temperature for 1.5-2.5 hours, the reaction was complete. And then iron is removed through a magnetic filter barrel 13, and then the mixture is pressed to a dark current membrane filter press 15 through a second centrifugal pump 14, pressed to be dry and washed to be neutral, so that the modified pigment yellow 13 is obtained.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the above description, in combination with the drawings in the embodiments of the present invention, clearly and completely describes the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the above detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Claims (6)
1. Pigment yellow 13's synthesis equipment, its characterized in that: the device comprises a sodium nitrite dissolving kettle, a hydrochloric acid metering tank, a sodium nitrite solution metering tank, a diazo kettle, a first centrifugal pump, a tubular filter, a particle dry ice manufacturing machine, an acetoacetanilide pulping kettle, an emulsifying pump, a coupling kettle, a liquid alkali metering tank, a magnetic filter barrel, a second centrifugal pump and a undercurrent diaphragm filter press; the sodium nitrite dissolving kettle is communicated with the inner cavity of the diazo kettle through a first centrifugal pump and a sodium nitrite solution metering tank in sequence; the hydrochloric acid metering tank is communicated with the inner cavity of the diazo kettle; the diazo kettle is communicated with the inner cavity of the coupling kettle through a first centrifugal pump and a tubular filter in sequence; the particle dry ice manufacturing machine is provided with two branch channels, wherein one branch channel is communicated with the inner cavity of the diazo kettle, and the other branch channel is communicated with the inner cavity of the coupling kettle; the liquid caustic soda metering tank and the acetacetanilide pulping kettle are respectively communicated with the inner cavity of the coupling kettle; and a liquid outlet of the coupling kettle is communicated with the magnetic filter barrel, the second centrifugal pump and the undercurrent diaphragm filter press in sequence.
2. A pigment yellow 13 synthesis plant according to claim 1, characterized in that: the tubular filter is filled with diatomite or active carbon.
3. A pigment yellow 13 synthesis plant according to claim 1, characterized in that: the dark current diaphragm filter press is a dark current plate and frame filter press.
4. A pigment yellow 13 synthesis plant according to claim 1, characterized in that: the first centrifugal pump and the second centrifugal pump are both fluoroplastic centrifugal pumps.
5. A pigment yellow 13 synthesis plant according to claim 1, characterized in that: and the sodium nitrite dissolving kettle, the diazo kettle, the acetanilide pulping kettle and the coupling kettle are all provided with feed ports.
6. A pigment yellow 13 synthesis plant according to claim 1, characterized in that: the branch channel is open.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021091137.XU CN212864625U (en) | 2020-06-15 | 2020-06-15 | Pigment yellow 13 synthesis equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021091137.XU CN212864625U (en) | 2020-06-15 | 2020-06-15 | Pigment yellow 13 synthesis equipment |
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| CN212864625U true CN212864625U (en) | 2021-04-02 |
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| GR01 | Patent grant |