CN219663693U - Energy-saving reaction kettle for ultraviolet absorbent production - Google Patents
Energy-saving reaction kettle for ultraviolet absorbent production Download PDFInfo
- Publication number
- CN219663693U CN219663693U CN202321048421.2U CN202321048421U CN219663693U CN 219663693 U CN219663693 U CN 219663693U CN 202321048421 U CN202321048421 U CN 202321048421U CN 219663693 U CN219663693 U CN 219663693U
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- CN
- China
- Prior art keywords
- reaction kettle
- pipe
- kettle body
- storage tank
- ultraviolet absorbent
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 83
- 239000002250 absorbent Substances 0.000 title claims abstract description 30
- 230000002745 absorbent Effects 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 238000003860 storage Methods 0.000 claims abstract description 26
- 239000000843 powder Substances 0.000 claims abstract description 12
- 238000005485 electric heating Methods 0.000 claims abstract description 8
- 239000011344 liquid material Substances 0.000 claims description 10
- -1 polytetrafluoroethylene Polymers 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 239000006097 ultraviolet radiation absorber Substances 0.000 abstract description 6
- 230000002194 synthesizing effect Effects 0.000 abstract description 5
- 238000006477 desulfuration reaction Methods 0.000 abstract description 3
- 230000023556 desulfurization Effects 0.000 abstract description 3
- 239000006096 absorbing agent Substances 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000003786 synthesis reaction Methods 0.000 abstract description 2
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 18
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 238000001816 cooling Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 230000018044 dehydration Effects 0.000 description 5
- 238000006297 dehydration reaction Methods 0.000 description 5
- 238000004321 preservation Methods 0.000 description 5
- ICKWICRCANNIBI-UHFFFAOYSA-N 2,4-di-tert-butylphenol Chemical compound CC(C)(C)C1=CC=C(O)C(C(C)(C)C)=C1 ICKWICRCANNIBI-UHFFFAOYSA-N 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- YEXOWHQZWLCHHD-UHFFFAOYSA-N 3,5-ditert-butyl-4-hydroxybenzoic acid Chemical compound CC(C)(C)C1=CC(C(O)=O)=CC(C(C)(C)C)=C1O YEXOWHQZWLCHHD-UHFFFAOYSA-N 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 150000001263 acyl chlorides Chemical class 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000007810 chemical reaction solvent Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000004611 light stabiliser Substances 0.000 description 2
- 238000005580 one pot reaction Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000011020 pilot scale process Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model provides an energy-saving reaction kettle for producing an ultraviolet absorbent, and belongs to the field of production of ultraviolet absorbent. The equipment comprises a reaction kettle body, a liquid feeding pipe, a powder feeding pipe, a discharge pipe, an exhaust pipe, a first jacket layer, an electric heating pipe, a second jacket layer, a water outlet pipe, a water inlet pipe, a heat exchanger, a liquid storage tank, a high-level water storage tank and a water pump. The utility model is mainly used for synthesizing the ultraviolet absorber UV-120, forms a circulation loop through the second jacket layer, the high-level water storage tank and the heat exchange tube, can recycle high heat generated by the reaction kettle body in the synthesis process of the ultraviolet absorber UV-120, and stores water vapor discharged by the exhaust pipe in the liquid storage tank after heat exchange liquefaction is carried out between the inside of the heat exchange shell and the heat exchange tube, and is used as an absorber for wet desulfurization, thereby reducing tail gas emission.
Description
Technical Field
The utility model belongs to the field of ultraviolet absorbent production, and particularly relates to an energy-saving reaction kettle for ultraviolet absorbent production.
Background
The ultraviolet absorber UV-120 is widely applied to various high molecular polymers such as polyoxymethylene, polyethylene, polypropylene, polystyrene and the like as a light stabilizer and an antioxidant. The ultraviolet absorber UV-120 has good synergistic effect with other antioxidants, for example, the ultraviolet absorber is used together with benzotriazole ultraviolet absorbers and nickel chelate light stabilizers, and has very remarkable anti-aging and anti-oxidation effects. The ultraviolet absorber UV-120 has few manufacturers in the domestic market, and many research results are limited to laboratory experiments, so that the synthesis process which is more optimized and suitable for pilot scale up is a hot spot for research of many professional technicians in China.
The ultraviolet absorbent UV-120 can be produced and processed in a reaction kettle by a process of a step-by-step one-pot method, and one of the synthetic methods is to take 3, 5-di-tert-butyl-4-hydroxy-benzoic acid and 2, 4-di-tert-butylphenyl ester as raw materials, toluene as a reaction solvent and thionyl chloride as an acyl chloride reagent. In the production process of the ultraviolet absorbent UV-120, the heat dehydration is needed before the thionyl chloride is added, water is needed to be added for a plurality of times for water washing operation after the 2, 4-di-tert-butylphenol is added to the reaction, and the water can be dehydrated through heating after each water washing, so that the reaction kettle can generate a plurality of high-heat water vapor, the heat of the reaction kettle is needed to be recycled, and the resource waste is reduced. In addition, thionyl chloride is volatile and toxic, and tail gas is easy to generate in the production process and needs to be treated. The patent with the publication number of CN216321872U provides a reaction kettle for producing and preparing an ultraviolet absorbent, which can be used for producing the ultraviolet absorbent UV-120, but at least has the following defects: the waste gas is treated by adopting the adsorption layer, which belongs to dry adsorption treatment, the desulfurization efficiency is not ideal, and the heat of high-heat steam can not be recovered and reused.
Disclosure of Invention
The utility model provides an energy-saving reaction kettle for producing an ultraviolet absorbent aiming at the defects existing in the prior art in the background art.
In order to achieve the above purpose, the technical scheme adopted by the utility model is that the energy-saving reaction kettle for producing the ultraviolet absorbent comprises a reaction kettle body, wherein a liquid feeding pipe and a powder feeding pipe are arranged at the top of the reaction kettle body, a discharging pipe is arranged at the bottom of the reaction kettle body, the lower part of the reaction kettle body is conical, an exhaust pipe is arranged at the upper part of the side wall of the reaction kettle body, a first jacket layer is arranged at the outer side of the reaction kettle body, an electric heating pipe is arranged in the first jacket layer, a second jacket layer is arranged at the outer side of the first jacket layer, a water outlet pipe is arranged at the upper part of the second jacket layer, a water inlet pipe is arranged at the lower part of the second jacket layer, the exhaust pipe is connected with the upper part of a heat exchanger shell which is independently arranged, the lower part of the heat exchanger shell is connected with a liquid storage tank, a replacement heat pipe is arranged in the heat exchanger shell, the liquid inlet end of the heat exchange pipe is connected with the lower part of a high-level water storage tank, the liquid outlet end of the heat exchange pipe is sequentially connected with a water pump and the water inlet pipe through a pipeline.
The liquid feed pipe is used for carrying the liquid raw materials into the reaction kettle body inside, the powder feed pipe is used for adding the solid powder raw materials into the reaction kettle body inside, the material discharging pipe is used for discharging the internal reaction product of reaction kettle out of the reaction kettle body, the first jacket layer is used as the heating layer, the electric heating pipe coils on the outer wall of the reaction kettle body, heat the side wall of the reaction kettle body, the second jacket layer is used for heat preservation or cooling to the external portion of kettle, heat dissipation outside the reaction kettle body is reduced during heat preservation, the cooling speed of the reaction kettle body is improved during cooling, low-temperature cold water is stored in advance in the high-position water storage tank, and a small amount of water is stored in advance in the liquid storage tank.
Further, an inner liner layer is arranged on the inner wall of the reaction kettle body.
Preferably, the inner liner layer is made of polytetrafluoroethylene materials.
Further, the upper part in the reaction kettle body is provided with a venturi mixer, the liquid inlet end of the venturi mixer is connected with a liquid feeding pipe, the side wall of a suction chamber of the venturi mixer is connected with a liquid material pump arranged at the lower part outside the reaction kettle body through a pipeline, and the inlet of the liquid material pump is communicated with the lower part of the reaction kettle body through a pipeline. Premixing the liquid materials inside and outside the reaction kettle body through a Venturi mixer.
Further, the inside awl underframe formula agitator that is provided with of reation kettle, the pivot of awl underframe formula agitator and the output shaft fixed connection of installing in the driving motor at reation kettle body top, through stirring acceleration material mixing, improve reaction efficiency.
Further, a first valve is arranged on a pipeline between the exhaust pipe and the heat exchanger shell, a second valve is arranged on a pipeline between the heat exchange pipe and the high-level water storage tank part, and a discharge valve is arranged on the discharge pipe.
Compared with the prior art, the utility model has the beneficial technical effects that:
1. the energy-saving reaction kettle for producing the ultraviolet absorbent is mainly used for synthesizing the ultraviolet absorbent UV-120, forms a circulation loop through the second jacket layer, the high-position water storage tank and the heat exchange tube, can recycle high heat generated by the reaction kettle body in the process of synthesizing the ultraviolet absorbent UV-120, and stores water vapor discharged by the exhaust pipe in the liquid storage tank after being contacted with the heat exchange tube through the inside of the heat exchanger shell for heat exchange liquefaction, and is used as an absorbent for wet desulfurization, thereby reducing tail gas emission.
2. In the process of synthesizing the ultraviolet absorbent UV-120, the energy-saving reaction kettle for producing the ultraviolet absorbent is premixed with liquid materials in the reaction kettle when the thionyl chloride is injected into the reaction kettle through the Venturi mixer, so that the reaction efficiency is improved, and the volatilization of the thionyl chloride is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of an energy-saving reaction kettle for producing an ultraviolet absorbent;
reference numerals: the reactor comprises a 1-reaction kettle body, a 2-liquid feeding pipe, a 3-powder feeding pipe, a 4-discharge pipe, a 5-discharge pipe, a 6-first jacket layer, a 7-electric heating pipe, an 8-second jacket layer, a 9-water inlet pipe, a 10-water outlet pipe, a 11-heat exchanger shell, a 12-heat exchange pipe, a 13-high-level water storage tank, a 14-water pump, a 15-liquid storage tank, a 16-lining layer, a 17-liquid pump, a 18-venturi mixer, a 19-cone bottom frame type stirrer, a 20-driving motor, a 21-first valve, a 22-second valve and a 23-discharge valve.
Description of the embodiments
The utility model will be further described in detail by means of preferred embodiments in order to make the objects, technical solutions and advantages of the utility model more apparent.
Referring to fig. 1, an energy-saving reaction kettle for producing an ultraviolet absorbent in this embodiment includes a reaction kettle body 1, a liquid feed pipe 2 and a powder feed pipe 3 are disposed at the top of the reaction kettle body 1, a discharge pipe 4 is disposed at the bottom of the reaction kettle body 1, the lower portion of the reaction kettle body 1 is tapered, an exhaust pipe 5 is disposed at the upper portion of a side wall of the reaction kettle body 1, a first jacket layer 6 is disposed at the outer side of the reaction kettle body 1, an electric heating pipe 7 is disposed in the first jacket layer 6, a second jacket layer 8 is disposed at the outer side of the first jacket layer 6, a water outlet pipe 10 is disposed at the upper portion of the second jacket layer 8, a water inlet pipe 9 is disposed at the lower portion of the second jacket layer, the exhaust pipe 5 is connected with an upper portion of a heat exchanger housing 11 which is independently disposed, a liquid storage tank 15 is connected to the lower portion of the heat exchanger housing 11, a heat exchange pipe 12 is disposed in the heat exchanger housing 11, a liquid inlet end of the heat exchange pipe 12 is connected to a lower portion of a high-level water storage tank 13, a liquid outlet end of the heat exchange pipe 12 is sequentially connected to a water pump 14 and the water inlet pipe 9 through a pipeline, and the water outlet pipe 10 is connected to an upper portion of the high-level water storage tank 13. The liquid feed pipe 2 is used for carrying liquid raw materials into the inside of the reaction kettle body 1, the powder feed pipe 3 is used for adding solid powder raw materials into the inside of the reaction kettle body 1, the discharge pipe 4 is used for discharging reaction products in the reaction kettle body 1 out of the reaction kettle body 1, the first jacket layer 6 is used as a heating layer, the electric heating pipe 7 is coiled on the outer wall of the reaction kettle body 1 and is used for heating the side wall of the reaction kettle body 1, the second jacket layer 8 is used for heat preservation or cooling the outside of the kettle body, the heat dissipation outside the reaction kettle body 1 is reduced during heat preservation, the cooling speed of the reaction kettle body 1 is improved during cooling, low-temperature cold water is pre-stored in the high-position water storage tank 13, and a small amount of water is pre-stored in the liquid storage tank 15.
Specifically, in order to prolong the service life of the reaction kettle body 1, an inner liner 16 is arranged on the inner wall of the reaction kettle body 1, and the inner liner 16 is made of polytetrafluoroethylene materials.
Specifically, in order to improve reaction efficiency, reduce the volatile liquid material's volume of volatilizing, the upper portion sets up venturi mixer 18 in the reation kettle body 1, and venturi mixer 18's feed liquor end is connected with liquid inlet pipe 2, and venturi mixer 18's suction chamber lateral wall passes through the pipeline connection and sets up in the export of the liquid material pump 17 of the outer lower part of reation kettle body 1, and liquid material pump 17 entry passes through pipeline and reation kettle body 1 lower part intercommunication. Premixing between the liquid materials inside and outside the reaction kettle body 1 is performed by a venturi mixer 18.
Specifically, the reaction kettle body 1 is internally provided with a conical bottom frame type stirrer 19, and a rotating shaft of the conical bottom frame type stirrer 19 is fixedly connected with an output shaft of a driving motor 20 arranged at the top of the reaction kettle body 1. The materials are stirred and accelerated to be uniformly mixed, so that the reaction efficiency is improved.
Specifically, a first valve 21 is arranged on a pipeline between the exhaust pipe 5 and the heat exchanger shell 11, a second valve 22 is arranged on a pipeline between the heat exchange pipe 12 and the high-level water storage tank 13, and a discharge valve 23 is arranged on the discharge pipe 4.
The energy-saving reaction kettle for producing the ultraviolet absorbent is mainly used for synthesizing the ultraviolet absorbent UV-120, takes 3, 5-di-tert-butyl-4-hydroxy-benzoic acid and 2, 4-di-tert-butylphenyl ester as raw materials, takes toluene as a reaction solvent and takes thionyl chloride as an acyl chloride reagent to be produced and processed through a step-by-step one-pot process.
Working principle: when the energy-saving reaction kettle for producing the ultraviolet absorbent is used for producing the ultraviolet absorbent UV-120, a specified amount of toluene and 3, 5-di-tert-butyl-4-hydroxy-benzoic acid are respectively put into the reaction kettle body 1 through the liquid feed pipe 2 and the powder feed pipe 3, the liquid feed pipe 2 and the powder feed pipe 3 are closed, the electric heating pipe 7 and the driving motor 20 are controlled to work, the temperature in the reaction kettle body 1 is heated to 110 ℃, the solid materials are heated to be completely dissolved and dehydrated, the first valve 21 and the second valve 22 are opened when the water vapor is discharged from the exhaust pipe 5, the water pump 14 is started, the temperature is reduced to 75 ℃ after the dehydration is finished, and the second valve 22 is closed; slowly injecting specified amount of thionyl chloride through the liquid feed pipe 2, simultaneously starting the liquid pump 17, closing the liquid pump 17 after the thionyl chloride is injected, and preserving the temperature at 75 ℃ for reaction for 1h; adding a specified amount of 2, 4-di-tert-butylphenol through a powder feeding pipe 3, carrying out heat preservation reaction for 10 hours, adding a proper amount of water and 10% sodium carbonate aqueous solution through a liquid feeding pipe 2 to adjust the pH, heating to 80 ℃ when the pH of the aqueous phase is about 8, stirring for 15 minutes, heating to 110 ℃ for dehydration operation, starting a second valve 22 when water vapor is discharged from an exhaust pipe 5, simultaneously starting a water pump 14, carrying out water washing operation for 2-3 times after dehydration is completed, and opening a discharge valve 23 at the lower end of a discharge pipe 4 after the last dehydration is completed to send a reaction product into a distillation kettle of the next procedure.
The thionyl chloride tail gas generated in the working process of the reaction kettle body 1 is discharged through the exhaust pipe 5, and finally, sulfur dioxide and hydrogen chloride are generated when meeting water in the liquid storage tank 15, and are absorbed by the water in the liquid storage tank 15.
The foregoing description of the preferred embodiments of the utility model has been presented for the purpose of illustration and description, and it will be apparent to those skilled in the art that various changes, substitutions and alterations can be made therein without departing from the spirit and principles of the utility model.
Claims (6)
1. The utility model provides an energy-conserving reation kettle is used in ultraviolet absorbent production, includes the reation kettle body, and reation kettle body top is provided with liquid inlet pipe, powder filling tube, and reation kettle body bottom is provided with row material pipe, its characterized in that: the utility model discloses a high-order water storage tank, including reaction kettle body, heat exchanger shell, water pump, inlet tube, outlet pipe, heat exchanger shell, replacement heat pipe, heat exchanger shell's liquid inlet end, water pump, inlet tube, outlet pipe and high-order water storage tank's upper portion are connected in proper order through the pipeline to the heat exchanger shell lower part for the toper, reaction kettle body lower part is the toper, and reaction kettle body lateral wall upper portion sets up the blast pipe, and reaction kettle body outside sets up first jacket layer, sets up electric heating pipe in the first jacket layer, and first jacket layer outside sets up the second jacket layer, and the upper portion of second jacket layer is equipped with the outlet pipe, lower part is equipped with the inlet tube, the blast pipe is connected with the heat exchanger shell upper portion of independent setting, heat exchanger shell lower part connection liquid storage tank, establishes the replacement heat pipe in the heat exchanger shell, and the liquid inlet end of heat exchange pipe is connected high-order water storage tank lower part.
2. The energy-saving reaction kettle for producing ultraviolet absorbent according to claim 1, wherein: and an inner liner layer is arranged on the inner wall of the reaction kettle body.
3. The energy-saving reaction kettle for producing ultraviolet absorbent according to claim 2, wherein: the lining layer is made of polytetrafluoroethylene materials.
4. The energy-saving reaction kettle for producing ultraviolet absorbent according to claim 1, wherein: the upper part in the reaction kettle body is provided with a Venturi mixer, the liquid inlet end of the Venturi mixer is connected with a liquid feeding pipe, the side wall of a suction chamber of the Venturi mixer is connected with a liquid material pump arranged at the lower part outside the reaction kettle body through a pipeline, and the inlet of the liquid material pump is communicated with the lower part of the reaction kettle body through a pipeline.
5. The energy-saving reaction kettle for producing ultraviolet absorbent according to claim 1, wherein: the inside awl underframe formula agitator that is provided with of reation kettle body, the pivot of awl underframe formula agitator is with installing in the output shaft fixed connection of the driving motor at reation kettle body top.
6. The energy-saving reaction kettle for producing ultraviolet absorbent according to claim 1, wherein: the pipeline between the exhaust pipe and the heat exchanger shell is provided with a first valve, the pipeline between the heat exchange pipe and the high-level water storage tank part is provided with a second valve, and the discharge pipe is provided with a discharge valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321048421.2U CN219663693U (en) | 2023-05-05 | 2023-05-05 | Energy-saving reaction kettle for ultraviolet absorbent production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321048421.2U CN219663693U (en) | 2023-05-05 | 2023-05-05 | Energy-saving reaction kettle for ultraviolet absorbent production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219663693U true CN219663693U (en) | 2023-09-12 |
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ID=87927433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321048421.2U Active CN219663693U (en) | 2023-05-05 | 2023-05-05 | Energy-saving reaction kettle for ultraviolet absorbent production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219663693U (en) |
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2023
- 2023-05-05 CN CN202321048421.2U patent/CN219663693U/en active Active
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