CN221132225U - Production system for double-hydrogenated tallow hydroxyl amine - Google Patents
Production system for double-hydrogenated tallow hydroxyl amine Download PDFInfo
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- CN221132225U CN221132225U CN202322566231.6U CN202322566231U CN221132225U CN 221132225 U CN221132225 U CN 221132225U CN 202322566231 U CN202322566231 U CN 202322566231U CN 221132225 U CN221132225 U CN 221132225U
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- hydrogenated tallow
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- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 239000003760 tallow Substances 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 238000005406 washing Methods 0.000 claims abstract description 63
- 238000003860 storage Methods 0.000 claims abstract description 61
- 239000000463 material Substances 0.000 claims abstract description 54
- 239000007788 liquid Substances 0.000 claims abstract description 51
- 238000006243 chemical reaction Methods 0.000 claims abstract description 44
- 239000002994 raw material Substances 0.000 claims abstract description 43
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000007787 solid Substances 0.000 claims abstract description 12
- 239000012452 mother liquor Substances 0.000 claims abstract description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 9
- 239000002904 solvent Substances 0.000 claims description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 238000004140 cleaning Methods 0.000 claims description 25
- 238000003756 stirring Methods 0.000 claims description 16
- 239000000376 reactant Substances 0.000 claims description 8
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 9
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 8
- 239000003963 antioxidant agent Substances 0.000 description 8
- 230000003078 antioxidant effect Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000011344 liquid material Substances 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 239000011343 solid material Substances 0.000 description 6
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 description 5
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 4
- 239000008116 calcium stearate Substances 0.000 description 4
- 235000013539 calcium stearate Nutrition 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- REYJJPSVUYRZGE-UHFFFAOYSA-N Octadecylamine Chemical compound CCCCCCCCCCCCCCCCCCN REYJJPSVUYRZGE-UHFFFAOYSA-N 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- VSAWBBYYMBQKIK-UHFFFAOYSA-N 4-[[3,5-bis[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]-2,4,6-trimethylphenyl]methyl]-2,6-ditert-butylphenol Chemical compound CC1=C(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)C(C)=C(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)C(C)=C1CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 VSAWBBYYMBQKIK-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002530 phenolic antioxidant Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000002311 subsequent effect Effects 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model relates to a production system for double hydrogenated tallow hydroxyl amine. Comprises a reaction kettle, a material washing kettle, a centrifuge, a dryer and a mother liquor storage tank; the upper end of the reaction kettle is provided with a solid raw material feeding port, the liquid raw material storage tank is connected with the upper end of the reaction kettle through a valve and a pipeline, and the nitrogen pipeline is connected with the upper end of the reaction kettle through a valve; the reaction material outlet at the lower end of the reaction kettle is connected with the material inlet of the material washing kettle through a pipeline and a valve; the material outlet at the lower end of the material washing kettle is connected with the material inlet of the centrifugal machine through a pipeline and a valve; the liquid outlet of the centrifugal machine is connected with a mother liquid storage tank through a pipeline and a valve; the solid outlet of the centrifugal machine is connected with the dryer through a pipeline and a valve. The utility model has simple operation, and the product produced by the device has high purity, white color and small smell, and can effectively improve the stability of downstream products after application.
Description
Technical Field
The utility model relates to a chemical production device, in particular to a production system suitable for double-hydrogenated tallow hydroxyl amine.
Background
The double hydrogenated tallow-based hydroxylamine is a novel high-temperature antioxidant, has excellent processing stability and color protection on resin under the conditions of high temperature and ultra-high temperature (more than 300 ℃), has good light stability, maintains and improves the original color tone, improves the processing performance, protects the polymer from decomposition, and simultaneously enters a polymer particle product to exert subsequent effects, is an excellent variety of a new generation high-temperature antioxidant, can be widely applied to resins requiring high-temperature processing and high-color protection such as polyolefin (PE, PP), PBT, PET and the like, and has good effects especially on plastic products requiring repeated extrusion of high-temperature processing for many times. Can improve the stability of the polymer in the processes of batching, production and use, reduce the degradation of the polymer in the processing process, and improve the smoke fading resistance of the polymer in a plurality of application occasions. The high performance and low input can form a more efficient formula, and has higher thermal stability compared with other equivalent phosphite antioxidants.
The double hydrogenated tallow hydroxyl amine is not used alone, and is usually used in combination with phenols such as antioxidant 330, antioxidant 1010, antioxidant 1076, antioxidant 3114, antioxidant 168, antioxidant 626 and phosphite antioxidants, so that the stability of the polymer in the hot processing process can be improved. It is widely used in PE, PP, PS, polyurethane, polycarbonate, ABS and other polymer materials after being compounded with phenolic antioxidants.
At present, the industrial production of the double hydrogenated tallow-based hydroxylamine is basically in a blank state in China, most of the double hydrogenated tallow-based hydroxylamine adopts import, and in order to reduce the cost, development of a production system device of the double hydrogenated tallow-based hydroxylamine is urgently needed.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a device for producing double hydrogenated tallow hydroxyl amine, and the product produced by the device has high purity, white color and small smell, and can effectively improve the stability of downstream products after application.
The utility model adopts the technical scheme that: a production system for double hydrogenated tallow hydroxyl amine comprises a reaction kettle, a material washing kettle, a centrifuge, a dryer and a mother liquor storage tank.
The upper end of the reaction kettle is provided with a solid raw material charging port; the liquid raw material storage tank is connected with the upper end of the reaction kettle through a valve and a pipeline, and the upper end of the liquid raw material storage tank is provided with a liquid raw material I inlet and a liquid raw material II inlet; the nitrogen pipeline is connected with the upper end of the reaction kettle through a valve.
The reactant outlet at the lower end of the reaction kettle is connected with the material inlet of the material washing kettle through a pipeline and a valve.
The material outlet at the lower end of the material washing kettle is connected with the material inlet of the centrifugal machine through a pipeline and a valve.
The liquid outlet of the centrifugal machine is connected with a mother liquor storage tank through a pipeline and a valve.
The solid outlet of the centrifugal machine is connected with the dryer through a pipeline and a valve.
Preferably, the production system for double hydrogenated tallow hydroxyl amine is characterized in that the liquid raw material storage tank is a liquid raw material metering storage tank with a circulating water device I and a metering device.
Preferably, the production system for double-hydrogenated tallow hydroxyl amine is characterized in that a stirring device I is arranged in the reaction kettle, and the motor I drives the stirring device I to rotate.
Preferably, the production system for double-hydrogenated tallow hydroxyl amine is characterized in that a stirring device II is arranged in the material washing kettle, and the motor II drives the stirring device II to rotate.
Preferably, the production system for double hydrogenated tallow hydroxyl amine is provided with a cleaning solvent storage tank, and the cleaning solvent storage tank is connected with the upper end of the material washing kettle through a pipeline and a valve.
Preferably, the production system for double hydrogenated tallow hydroxyl amine is characterized in that a circulating water device II is arranged outside the cleaning solvent storage tank.
Preferably, the production system for double hydrogenated tallow hydroxyl amine is provided with a washing solvent storage tank, and the washing solvent storage tank is connected with the upper end of the centrifugal machine through a pipeline and a valve.
Preferably, the production system for double hydrogenated tallow hydroxyl amine is characterized in that a circulating water device III is arranged outside the washing solvent storage tank.
The utility model has the following beneficial effects: because the industrialized production of the double hydrogenated tallow hydroxyl amine is basically in a blank state in China at present, the production system of the double hydrogenated tallow hydroxyl amine fills the blank. The product produced by the system has high purity, white color and small smell, and can effectively improve the stability of downstream products after application.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic structural view of a liquid raw material metering tank.
Fig. 3 is a schematic structural view of a cleaning solvent tank.
Fig. 4 is a schematic structural view of a washing solvent tank.
Wherein: 1. a reaction kettle; 2. a material washing kettle; 3. a centrifuge; 4. a dryer; 5. a mother liquor storage tank; 6. a liquid raw material metering storage tank; 7. cleaning a solvent storage tank; 8. a washing solvent storage tank; 9. a solid raw material feed port; 10. a nitrogen pipeline.
Detailed Description
The utility model is further illustrated, but is not limited, by the following examples.
Example 1
As shown in fig. 1-4, a production system for double-hydrogenated tallow hydroxyl amine comprises a reaction kettle (1), a material washing kettle (2), a centrifugal machine (3), a dryer (4), a mother liquor storage tank (5), a liquid raw material metering storage tank (6), a cleaning solvent storage tank (7) and a cleaning solvent storage tank (8).
The reaction kettle (1), the material washing kettle (2), the centrifugal machine (3) and the dryer (4) are connected end to end in sequence.
The upper end of the reaction kettle (1) is provided with a solid raw material feeding port (9). The liquid raw material storage tank is connected with the upper end of the reaction kettle (1) through a valve and a pipeline, and the upper end of the liquid raw material storage tank is provided with a liquid raw material I inlet (6-3) and a liquid raw material II inlet (6-4). The nitrogen pipeline (10) is connected with the upper end of the reaction kettle (1) through a valve.
Preferably, in the embodiment, as an exemplary illustration, the stirring device I (1-1) is arranged in the reaction kettle (1), and the motor I (1-2) drives the stirring device I (1-1) to rotate.
Preferably, in the present embodiment, the liquid raw material tank is, as an exemplary illustration, a liquid raw material metering tank (6) externally provided with a circulating water device I (6-1) and a metering device (6-2). The circulating water device I (6-1) is provided with an inlet and an outlet, circulating water is introduced into the circulating water device I according to the actual requirement of the reaction, and liquid materials in the liquid raw material metering storage tank (6) are heated or cooled through the circulating water so as to meet the requirement of the reaction. Of course, the circulating water device I (6-1) can also discharge all water, gas is introduced through the inlet and the outlet, and the liquid material in the liquid raw material metering storage tank (6) is heated or cooled through gas circulation. The metering device (6-2) is used for controlling the dosage of the liquid material introduced into the reaction kettle (1). The metering device (6-2) can be a flowmeter or a scale arranged on the outer surface of the liquid raw material metering storage tank (6).
The reactant outlet at the lower end of the reaction kettle (1) is connected with the material inlet of the material washing kettle (2) through a pipeline and a valve.
Preferably, in the embodiment, as an exemplary illustration, the stirring device II (2-1) is arranged in the material washing kettle (2), and the motor II (2-2) drives the stirring device II (2-1) to rotate.
Preferably, in the present embodiment, as an exemplary illustration, a cleaning solvent storage tank (7) is provided, and the cleaning solvent storage tank (7) is connected to the upper end of the material washing kettle (2) through a pipeline and a valve. More preferably, the circulating water device II (7-1) is arranged outside the cleaning solvent storage tank (7), an inlet and an outlet are arranged on the circulating water device II (7-1), circulating water is introduced into the circulating water device II according to actual needs, and the cleaning solvent in the cleaning solvent storage tank (7) is heated or cooled through the circulating water so as to meet the cleaning requirement. Of course, the circulating water apparatus II (7-1) may discharge all water, introduce gas through the inlet and outlet, and heat or cool the cleaning solvent in the cleaning solvent storage tank (7) by gas circulation. And storing the reactants after the reaction in the reaction kettle (1) in a material washing tower, then sending the reactants into a centrifuge (3) in batches for solid-liquid separation, and after the reactants in the material washing kettle (2) are basically discharged, sending the cleaning solvent preheated to a specified temperature in a cleaning solvent storage tank (7) into the material washing kettle (2), and washing the material washing kettle (2) cleanly.
The material outlet at the lower end of the material washing kettle (2) is connected with the material inlet of the centrifugal machine (3) through a pipeline and a valve.
Preferably, in the present embodiment, as an exemplary illustration, a washing solvent storage tank (8) is provided, and the washing solvent storage tank (8) is connected to the upper end of the centrifuge (3) through a pipe and a valve. More preferably, the circulating water device III (8-1) is arranged outside the washing solvent storage tank (8), an inlet and an outlet are arranged on the circulating water device III (8-1), circulating water is introduced into the circulating water device III according to actual needs, and the washing solvent in the washing solvent storage tank (8) is heated or cooled by the circulating water so as to meet the washing requirement. Of course, the circulating water apparatus III (8-1) may discharge all water, and the washing solvent in the washing solvent tank 8 may be heated or cooled by gas circulation by introducing gas through the inlet and the outlet. The reaction materials stored in the material washing kettle (2) are fed into a centrifugal machine (3) in batches, washing solvent is added into the centrifugal machine, and the reactants are centrifugally washed.
The liquid outlet of the centrifugal machine (3) is connected with a mother liquid storage tank (5) through a pipeline and a valve. The solid outlet of the centrifugal machine (3) is connected with the dryer (4) through a pipeline and a valve. After the centrifugal machine (3) is used for centrifuging, the solid materials are sent into a dryer (4) for drying, and the liquid part is sent into a mother liquor storage tank (5).
The working process of the utility model is as follows:
1. the solid raw materials are put into the reaction kettle (1) through a solid raw material feeding port (9). Firstly, a liquid raw material I is added into a liquid raw material metering storage tank (6) through a liquid raw material I inlet (6-3) and is injected into a reaction kettle (1). Stirring was started to dissolve the solid material in the liquid material I. Then the liquid raw material II is added into a liquid raw material metering storage tank (6) through a liquid raw material II inlet (6-4), the temperature of the liquid raw material II in the liquid raw material metering storage tank (6) is reduced through a circulating water device I (6-1), and after the liquid raw material reaches a specified temperature, the liquid raw material II is dripped into a reaction kettle (1) and the dripping speed is controlled through a metering device (6-2) to react.
2. After the reaction is finished, nitrogen is introduced into the reaction kettle (1) through a nitrogen pipeline (10), and all reaction materials are pressed into the material washing kettle (2).
3. And (3) feeding the materials into a centrifuge (3) in batches, preheating the washing solvent in a washing solvent storage tank (8) through a circulating water device III (8-1), feeding the washing solvent into the centrifuge (3) after preheating to a specified temperature, mixing the washing solvent with the materials in the centrifuge (3), centrifugally washing, performing solid-liquid separation, and feeding the liquid obtained by centrifugation into a mother liquor storage tank (5) for recycling. And (3) feeding the obtained solid material into a dryer (4) for drying, and obtaining the finished antioxidant di-hydrogenated tallow hydroxyl amine.
4. After the materials in the material washing kettle (2) are basically discharged, the cleaning solvent in the cleaning solvent storage tank (7) is preheated to a specified temperature through the circulating water device II (7-1), and then the cleaning solvent is sent into the material washing kettle (2), and stirring is started to wash the material washing kettle cleanly.
Test example 1: preparation of bis-hydrogenated tallow hydroxylamine assay:
1. 300Kg of solid material double hydrogenated tallow amine is put into a reaction kettle through a solid material feed inlet (9), 1200L of n-butyl alcohol (liquid material I) is firstly added into a liquid material metering tank (6), and then is put into the reaction kettle (1). Stirring was started to dissolve the solid starting material in n-butanol. Then 30L of 70% hydrogen peroxide (liquid raw material II) is added into a liquid raw material metering tank (6), hydrogen peroxide in the liquid raw material metering tank (6) is cooled by a circulating water device I (6-1), after the hydrogen peroxide is cooled to 10-15 ℃, the hydrogen peroxide is dropwise added into a reaction kettle (1), the dropwise adding speed is controlled by a metering device (6-2), and the thermal insulation reaction is carried out after the dropwise adding is completed for about 2 hours.
2. After the reaction is finished, nitrogen is introduced into the reaction kettle (1) through a nitrogen pipeline (10), and all reactants are pressed into the material washing kettle (2).
3. The method comprises the steps of feeding materials into a centrifuge (3) in batches, simultaneously preheating washing solvent n-butanol in a washing solvent storage tank (8) through a circulating water device III (8-1), feeding the washing solvent into the centrifuge (3) after preheating to 50 ℃, mixing the washing solvent with the materials in the centrifuge (3), centrifugally washing, controlling the centrifugal speed at 5000-6000rpm during centrifugal washing, controlling the time at 3min, carrying out solid-liquid separation, and feeding liquid obtained through centrifugation into a mother liquor storage tank (5) to be recovered. And (3) putting the obtained solid material into a dryer (4), drying at 70-80 ℃ for about 10 hours to obtain the finished antioxidant di-hydrogenated tallow hydroxyl amine.
4. After the materials in the material washing kettle (2) are basically discharged, the cleaning solvent n-butanol in the cleaning solvent storage tank (7) is preheated to 50 ℃ through the circulating water device II (7-1), and then the material washing kettle (2) is sent into the material washing kettle, and stirring is started to wash the material washing kettle cleanly.
180Kg of mixture of the double hydrogenated tallow hydroxyl amine and the double hydrogenated tallow amine is finally obtained, the product is white powder, the melting point of the product is 95.8-97.6 ℃,
Test example 2 thermal stability test:
The antioxidant 1010, the antioxidant 168, the double hydrogenated tallow hydroxyl amine mixture and calcium stearate are mixed according to the mass ratio of 50:25:10:15, uniformly mixing to prepare a No. 1 product;
The antioxidant 1010, the antioxidant 168, the double hydrogenated tallow hydroxyl amine mixture and calcium stearate are mixed according to the mass ratio of 40:25:20:15, uniformly mixing to prepare a No. 2 product;
The antioxidant 1010, the antioxidant 168, the double hydrogenated tallow hydroxyl amine mixture and calcium stearate are mixed according to the mass ratio of 50:15:20:15, uniformly mixing to prepare a 3# product;
The antioxidant 1010, the antioxidant 168 and the calcium stearate are mixed according to the mass ratio of 50:35:15 is evenly mixed to prepare a No. 4 product;
The products # 1, # 2, # 3 and # 4 were added to polypropylene in an amount of 1000ppm, and after 3 times of extrusion by a screw extruder, the melt index change and the yellow index after 3 times of extrusion were respectively tested. The specific data are shown in Table 1.
TABLE 1
From the above experiments, the double hydrogenated tallow hydroxyl amine produced by the production system can effectively improve the stability of downstream products.
What has been described above is merely a preferred embodiment of the present utility model. It should be noted that variations and modifications can be made by those skilled in the art without departing from the principles of the present utility model, and should also be considered as falling within the scope of the present utility model.
Claims (8)
1. The production system for the double-hydrogenated tallow-based hydroxylamine is characterized by comprising a reaction kettle (1), a material washing kettle (2), a centrifugal machine (3), a dryer (4) and a mother liquor storage tank (5);
the upper end of the reaction kettle (1) is provided with a solid raw material feeding port (9); the liquid raw material storage tank is connected with the upper end of the reaction kettle (1) through a valve and a pipeline, and the upper end of the liquid raw material storage tank is provided with a liquid raw material I inlet (6-3) and a liquid raw material II inlet (6-4); the nitrogen pipeline (10) is connected with the upper end of the reaction kettle (1) through a valve;
The reactant outlet at the lower end of the reaction kettle (1) is connected with the material inlet of the material washing kettle (2) through a pipeline and a valve;
The material outlet at the lower end of the material washing kettle (2) is connected with the material inlet of the centrifugal machine (3) through a pipeline and a valve;
The liquid outlet of the centrifugal machine (3) is connected with a mother liquid storage tank (5) through a pipeline and a valve;
The solid outlet of the centrifugal machine (3) is connected with the dryer (4) through a pipeline and a valve.
2. A production system for di-hydrogenated tallow hydroxyl amine according to claim 1 wherein the liquid feed storage tank is a liquid feed metering storage tank (6) with an external circulation water device i (6-1) and a metering device (6-2).
3. The production system for double hydrogenated tallow hydroxyl amine according to claim 1, wherein the stirring device I (1-1) is arranged in the reaction kettle (1), and the motor I (1-2) drives the stirring device I (1-1) to rotate.
4. The production system for double-hydrogenated tallow hydroxyl amine according to claim 1, wherein a stirring device II (2-1) is arranged in the material washing kettle (2), and the motor II (2-2) drives the stirring device II (2-1) to rotate.
5. A production system for di-hydrogenated tallow hydroxyl amine according to claim 1, characterized in that a cleaning solvent storage tank (7) is provided, the cleaning solvent storage tank (7) being connected to the upper end of the tank for washing (2) via a pipe and a valve.
6. The production system for double hydrogenated tallow hydroxyl amine according to claim 5, wherein the circulating water device II (7-1) is arranged outside the cleaning solvent storage tank (7).
7. A production system for di-hydrogenated tallow hydroxyl amine according to claim 1, characterized in that a washing solvent storage tank (8) is provided, the washing solvent storage tank (8) being connected to the upper end of the centrifuge (3) via a pipe and a valve.
8. A production system for di-hydrogenated tallow hydroxyl amine according to claim 7, characterized by the fact that the washing solvent storage tank (8) is equipped with a circulating water means iii (8-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322566231.6U CN221132225U (en) | 2023-09-21 | 2023-09-21 | Production system for double-hydrogenated tallow hydroxyl amine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322566231.6U CN221132225U (en) | 2023-09-21 | 2023-09-21 | Production system for double-hydrogenated tallow hydroxyl amine |
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| Publication Number | Publication Date |
|---|---|
| CN221132225U true CN221132225U (en) | 2024-06-14 |
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|---|---|---|---|
| CN202322566231.6U Active CN221132225U (en) | 2023-09-21 | 2023-09-21 | Production system for double-hydrogenated tallow hydroxyl amine |
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| Country | Link |
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- 2023-09-21 CN CN202322566231.6U patent/CN221132225U/en active Active
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