CN219615551U - Continuous aging and ageing integrated device for glufosinate-ammonium intermediate production - Google Patents

Continuous aging and ageing integrated device for glufosinate-ammonium intermediate production Download PDF

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Publication number
CN219615551U
CN219615551U CN202321028908.4U CN202321028908U CN219615551U CN 219615551 U CN219615551 U CN 219615551U CN 202321028908 U CN202321028908 U CN 202321028908U CN 219615551 U CN219615551 U CN 219615551U
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aging
level
primary
kettle
ageing
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张雪岩
王鸿久
罗元纯
潘壮
毕生伟
王鑫
蒙艳成
张广忠
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Inner Mongolia Haopu Technology Co ltd
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Inner Mongolia Haopu Technology Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency

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Abstract

The utility model provides a continuous ageing and ageing integrated device for glufosinate-ammonium intermediate production, which comprises the following components: the first-level complexing liquid high-level tank and the first-level aging kettle are connected through a first-level dropwise adding pipeline, the second-level complexing liquid high-level tank and the second-level aging kettle are connected through a second-level dropwise adding pipeline, and a first-level self-control valve and a second-level self-control valve are correspondingly arranged on the first-level dropwise adding pipeline and the second-level dropwise adding pipeline; the primary aging kettle and the secondary aging kettle are correspondingly provided with a primary thermometer, a primary pressure gauge, a secondary thermometer, a secondary pressure gauge, a primary material transferring pipeline and a secondary material transferring pipeline; a primary regulating valve and a secondary regulating valve are correspondingly arranged on the primary material transferring pipeline and the secondary material transferring pipeline; the primary automatic control valve, the secondary automatic control valve, the primary thermometer, the primary pressure gauge, the secondary thermometer, the secondary pressure gauge, the primary regulating valve and the secondary regulating valve are respectively and electrically connected with the controller. The device realizes the integrated production of aging and aging, and continuous aging reaction which is not affected by aging.

Description

Continuous aging and ageing integrated device for glufosinate-ammonium intermediate production
Technical Field
The utility model relates to the technical field of chemical production, in particular to a continuous ageing integrated device for glufosinate-ammonium intermediate production.
Background
The glufosinate-ammonium belongs to hypophosphorous acid efficient, low-toxicity and environment-friendly non-conductive biocidal herbicide, is also a non-selective contact herbicide, is widely used as a broad-spectrum herbicide with permeability, and has the characteristics of high efficiency, low toxicity and easy degradation besides the herbicidal activity. Glufosinate is capable of inhibiting glutamine synthetase in the nitrogen metabolic pathway of plants, thereby interfering with the metabolism of plants and causing death of the plants. The novel pesticide is easy to degrade in soil, safe to crops, not easy to drift, wide in weeding spectrum, high in activity, small in dosage and small in environmental pressure, and is a preferred pesticide variety for replacing glyphosate and paraquat. The glufosinate can be used for preventing and killing annual and perennial dicotyledonous weeds and grassy weeds in orchards, vineyards and non-cultivated lands.
The glufosinate-cyanamide is a key intermediate for synthesizing glufosinate-ammonium, and the synthesis method of the intermediate is that diethyl methylphosphite and acrolein are subjected to addition reaction and then react with cyanogenSodium and ammonia/ammonium chloride react to obtain glufosinate-ammonium cyanamide as intermediate of glufosinate-ammonium. The synthesis of methyl diethyl phosphite first takes aluminum powder and chloromethane as raw materials to carry out complex reaction to generate complex CH 3 PCl 2 ·(CH 3 ) 2 PCl, and aging the complex with phosphorus trichloride to prepare ternary complex CH 3 PCl 2 ·AlCl 3 And then the ternary complex CH 3 PCl 2 ·AlCl 3 Decomplexing to obtain CH 3 PCl 2 Finally, CH 3 PCl 2 And carrying out esterification reaction with alcohol and ammonia gas to obtain diethyl methylphosphite.
In the existing ageing reaction process, the ageing reaction operation is to add phosphorus trichloride into the ageing kettle, and then to send the complex in the complexing liquid high-level tank into the ageing kettle in a dropwise manner to react with the phosphorus trichloride. However, after the existing ageing reaction is finished, in order to ensure the continuity of the reaction, the materials in the ageing kettle are directly transferred into the decomplexing reaction kettle for decomplexing reaction without continuous ageing, so that the ageing reaction effect of the materials in the ageing kettle is reduced, and the ageing reaction is easy to be incomplete. And the regulation and control of the dripping rate of the complex are not automatic enough, the ageing reaction is exothermic, the temperature transfer is not timely and can not be regulated and controlled automatically, the temperature control of the ageing kettle is easy to be inaccurate, and then a material transfer pipeline is easy to block in the material transfer process, so that the ageing reaction is not easy to be fully carried out.
Disclosure of Invention
The utility model provides a continuous ageing and aging integrated device for glufosinate-ammonium intermediate production, which is used for solving the problems that an ageing kettle cannot achieve both ageing operation and continuous production in the prior art, and the ageing reaction is insufficient and a material transferring pipeline is easy to block due to inaccurate regulation and control of the reaction temperature of the ageing kettle.
The utility model provides a continuous ageing and ageing integrated device for glufosinate-ammonium intermediate production, which comprises the following components: a first-level complexing liquid high-level tank, a first-level aging kettle, a second-level complexing liquid high-level tank and a second-level aging kettle; the first-level complexing liquid high-level tank is connected with the first-level aging kettle through a first-level dripping pipeline, the second-level complexing liquid high-level tank is connected with the second-level aging kettle through a second-level dripping pipeline, and a first-level automatic control valve and a second-level automatic control valve are correspondingly arranged on the first-level dripping pipeline and the second-level dripping pipeline; the primary aging kettle and the secondary aging kettle are correspondingly provided with a primary thermometer, a primary pressure gauge, a secondary thermometer, a secondary pressure gauge, a primary material transferring pipeline and a secondary material transferring pipeline; a primary regulating valve and a secondary regulating valve are correspondingly arranged on the primary material transferring pipeline and the secondary material transferring pipeline; the primary automatic control valve, the secondary automatic control valve, the primary thermometer, the primary pressure gauge, the secondary thermometer, the secondary pressure gauge, the primary regulating valve and the secondary regulating valve are respectively and electrically connected with the controller.
Further, the primary aging kettle and the secondary aging kettle are aging integrated kettles with consistent structures; the ageing integrative cauldron is provided with the inlet pipe that runs through ageing integrative cauldron's cauldron body top, and the inlet pipe extends to ageing integrative cauldron's cauldron intracavity portion, and the discharge gate department of inlet pipe is provided with rotatory dispersible tablet.
Further, a jacket is arranged on the outer side of the kettle body of the aging integrated kettle, a jacket inlet and a jacket outlet are arranged on the jacket, a chilled water regulating valve is arranged on a pipeline connected with the jacket inlet, and the chilled water regulating valve is electrically connected with the controller.
Further, the rotary dispersing piece is fixed on the rotary rod, and two ends of the rotary rod are rotationally connected to the inner wall of the discharge hole of the feeding pipe.
Further, the end of the rotary dispersing piece at one side far away from the rotary rod is provided with a concave hemispherical structure.
Further, the ageing and ageing integrated kettle also comprises a stirring mechanism arranged on the axis of the kettle body; the stirring mechanism comprises a motor arranged at the top of the kettle body, a stirring shaft connected with the motor, and a stirring paddle arranged on the stirring shaft; the upper end of the motor is also provided with a frequency modulator.
Further, the stirring paddles are sequentially arranged on the stirring shaft from top to bottom to form turbine paddles and three-blade turbine stirring paddles.
Further, the length of the turbine blades is no greater than the length of the three-bladed turbine stirring blades.
Further, the ageing integrative cauldron of ageing still includes a plurality of fender flow plates, and a plurality of fender flow plates set up vertically on the inner wall of the cauldron body.
Further, a gap of 2-10cm is arranged between the baffle plate and the inner wall of the kettle body.
The continuous ageing and ageing integrated device for producing the glufosinate-ammonium intermediate provided by the utility model adopts the alternately-operated ageing and ageing integrated kettle to realize ageing operation of ageing reaction materials, and simultaneously realizes continuous ageing reaction and subsequent decomplexing reaction, and has the following beneficial effects:
1) The ageing reaction material is directly aged, an independent ageing kettle is not required to be arranged, the kettle transferring time and the heat preservation and temperature control energy consumption of the ageing kettle are saved, the continuous production device is favorable for improving the stability of the process, ageing and ageing are simultaneously carried out, the continuous ageing reaction is not affected by ageing, the product quality can be improved, and the production efficiency can be improved.
2) The ageing reaction temperature and pressure in the ageing and ageing integrated kettle are accurately controlled by the controller for dispatching and adjusting the dripping speed of the complex and the cooling water quantity in the jacket, the ageing reaction temperature is controlled by the cooling water quantity of the jacket, and the material temperature in the kettle cavity is continuously controlled at about 30 ℃, so that the complete ageing reaction is promoted, a small amount of unreacted reaction raw materials continue to react through ageing, the raw material conversion rate is improved, the raw material loss and recovery processing quantity are saved, and the blocking phenomenon of the materials in the material conversion process is avoided.
3) The discharge hole of the feed pipe adopts a rotary dispersing sheet to further disperse and disperse the liquid drops of the complex, so that the phenomenon of local high temperature caused by concentrated blanking can be avoided, and the safety of the device is improved; the stirring mechanism provides differentiated stirring speed to meet the requirements of ageing and ageing, so that the application range of the ageing and ageing integrated kettle is increased; the differential stirring paddles and the flow baffle plates are arranged to increase the stirring intensity and the mixing effect of the materials, the heat exchange effect of the materials is also increased, and the aging reaction and the aging overall quality are ensured.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a continuous aging and ageing integrated device for producing glufosinate-ammonium intermediate according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram showing the connection of a first-stage complexing liquid overhead tank and a first-stage aging tank according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram showing the connection relationship between a feeding pipe and a rotary dispersion plate according to an embodiment of the present utility model;
fig. 4 is a schematic structural diagram of an aging and ageing integrated kettle according to an embodiment of the present utility model.
Reference numerals illustrate:
11: first-order complex liquid overhead tank, 12: first-stage ageing cauldron, 13: first-stage dropwise addition line, 14: first-stage transfer pipeline, 15: feeding pipe, 16: jacket, 18: baffle, 21: secondary complexing liquid overhead tank, 22: second-stage ageing cauldron, 23: two-stage drip line, 24: second-stage transfer pipeline, 31: controller, 121: primary thermometer, 122: primary manometer, 131: primary self-control valve, 141: primary control valve, 151: rotating the dispersible tablet, 152: rotating rod, 161: jacket inlet, 162: jacket outlet, 163: chilled water regulating valve, 171: motor, 172: stirring shaft, 173: stirring paddle, 174: frequency modulator, 221: second-stage thermometer, 222: two-stage manometer, 231: two-stage self-control valve, 241: a secondary regulating valve.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model will be clearly and completely described below, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are also within the scope of the utility model.
In the present utility model, aging means the complex CH 3 PCl 2 ·(CH 3 ) 2 PCl reacts with phosphorus trichloride to generate ternary complex CH 3 PCl 2 ·AlCl 3 Is used for the aging reaction process. Aging refers to the complex CH in the aging kettle 3 PCl 2 ·(CH 3 ) 2 And after the PCl is added dropwise, continuously enabling reaction materials obtained by the aging reaction to interact and combine each molecule under a standing or stirring environment.
As shown in fig. 1 and 2, the present utility model provides a continuous aging integrated device for glufosinate-ammonium intermediate production, comprising: a first-level complexing liquid high-level tank 11, a first-level aging kettle 12, a second-level complexing liquid high-level tank 21 and a second-level aging kettle 22; the first-level complexing liquid high-level tank 11 is connected with the first-level aging kettle 12 through a first-level dropwise adding pipeline 13, the second-level complexing liquid high-level tank 21 is connected with the second-level aging kettle 22 through a second-level dropwise adding pipeline 23, and a first-level automatic control valve 131 and a second-level automatic control valve 231 are correspondingly arranged on the first-level dropwise adding pipeline 13 and the second-level dropwise adding pipeline 23; the primary aging kettle 12 and the secondary aging kettle 22 are correspondingly provided with a primary thermometer 121, a primary pressure gauge 122, a secondary thermometer 221, a secondary pressure gauge 222, a primary transfer pipeline 14 and a secondary transfer pipeline 24; a primary regulating valve 141 and a secondary regulating valve 241 are correspondingly arranged on the primary transfer pipeline 14 and the secondary transfer pipeline 24; the primary automatic control valve 131, the secondary automatic control valve 231, the primary thermometer 121, the primary pressure gauge 122, the secondary thermometer 221, the secondary pressure gauge 222, the primary regulating valve 141 and the secondary regulating valve 241 are electrically connected with the controller 31, respectively.
Through the technical scheme, the continuous ageing and ageing integrated device is provided with two stages of identical complexing liquid high-level tanks, ageing and integrated kettles and matched pipelines and accessories, the continuous ageing and ageing integrated device adopts a mode of starting and stopping one step when in operation, the first-stage complexing liquid high-level tank 11 and the first-stage ageing kettle 12 are subjected to ageing reaction operation firstly, ageing is started for 2 hours after the ageing is finished, and the ageing belongs to a feeding-free mode, so that after the first-stage ageing kettle 12 is not fed any more and ageing is started, the second-stage complexing liquid high-level tank 21 and the second-stage ageing kettle 22 start to enter ageing reaction operation, the first-stage ageing kettle 12 is subjected to material transferring through the first-stage material transferring pipeline 14 after the ageing is finished, and after the materials in the second-stage ageing kettle 22 start ageing, the first-stage ageing kettle 12 is fed again to start ageing reaction operation. The first-stage aging kettle 12 and the second-stage aging kettle 22 complete the aging and aging integrated alternate reaction in a one-on-one-off mode, can also ensure the continuous proceeding of the aging reaction and the subsequent decomplexing reaction, improve the aging reaction effect and the raw material utilization rate, also improve the production efficiency and the quality of the product.
Further, as shown in fig. 3, the primary aging tank 12 and the secondary aging tank 22 are aging integrated tanks with identical structures; the ageing integrative cauldron is provided with the inlet pipe 15 that runs through ageing integrative cauldron's cauldron body top, and inlet pipe 15 extends to ageing integrative cauldron's cauldron intracavity portion, and the discharge gate department of inlet pipe 15 is provided with rotatory dispersion piece 151.
Taking the ageing reaction operation of the first-level complexing liquid overhead tank 11 and the first-level ageing kettle 12 as an example, the ageing operation flow is specifically described: firstly adding a certain amount of phosphorus trichloride into a primary ageing kettle 12, then opening a primary automatic control valve 131 by a controller 31, dripping the complex in a primary complexing liquid high-level tank 11 into the primary ageing kettle 12 through a primary dripping pipeline 13, and scattering and dispersing the liquid drops through a rotary dispersing sheet 151 at a discharge hole of a feeding pipe 15 to enable the complex CH to be obtained 3 PCl 2 ·(CH 3 ) 2 And (3) carrying out an aging reaction on PCl and phosphorus trichloride. The aging reaction is exothermic, when the primary pressure gauge 122 detects high pressure or low pressure, the primary temperature gauge 121 transmits a signal to the controller 31, the controller 31 can adjust the opening of the primary automatic control valve 131 to adjust the dropping speed of the complex, and the reaction temperature is ensured to be maintained at about 30 ℃ through precise regulation, so that the purpose of controlling the reaction temperature in the primary aging kettle 12 is achieved, and the precise control of the temperature in the aging reaction process is realizedAnd the preparation ensures that the aging reaction is smoothly and efficiently carried out, and improves the efficiency of the aging reaction. When the ageing is finished, the controller 31 opens the primary regulating valve 141 to transfer the material to the decomplexing reaction kettle through the primary transfer pipeline 14, so as to prepare for the next ageing reaction and feeding.
Further, as shown in fig. 2, a jacket 16 is arranged outside the kettle body of the aging and ageing integrated kettle, the jacket 16 is provided with a jacket inlet 161 and a jacket outlet 162, a chilled water regulating valve 163 is arranged on a pipeline connected with the jacket inlet 161, and the chilled water regulating valve 163 is electrically connected with the controller 31. The cooling water introduced into the jacket 16 can be used for cooling the kettle body of the aging and ageing integrated kettle, the cooling water regulating valve 163 connected with the controller 31 can control the cooling water quantity entering the jacket 16, and the cooling water regulating valve is matched with the use of the primary automatic control valve 131 and the secondary automatic control valve 231, so that the reaction temperature and the ageing temperature can be controlled more accurately, the regulation and control efficiency of the reaction temperature in the aging and ageing integrated kettle is improved, and the aging reaction efficiency and the ageing effect are improved.
Further, as shown in fig. 3, the rotary dispersing plate 151 is fixed to a rotary rod 152, and both ends of the rotary rod 152 are rotatably connected to the inner wall of the outlet of the feed pipe 15. In the complex feed of the aging reaction, if the feed is too fast, the temperature inside the kettle body is easily increased too fast, and the safety problem is easily caused. Therefore, besides controlling the feeding flow and the dropping speed through the primary self-control valve 131 and the secondary self-control valve 231, the liquid drops of the complex are further dispersed through the rotary dispersing piece 151 and dispersed when the rotary dispersing piece 151 rotates, so that the dispersion degree of the liquid drops of the complex in the kettle cavity is increased, the ageing reaction is more uniform, the local high-temperature phenomenon caused by concentrated blanking can be avoided, and the complete and smooth ageing reaction is facilitated.
Further, one side end of the rotating dispersion piece 151 away from the rotating rod 152 is provided in a concave hemispherical structure. The end of the rotary dispersing plate 151 is set to be a concave hemisphere, and the liquid drops of the complex drop into the concave hemisphere from the feed pipe 15, under the action of gravity, the rotary dispersing plate 151 is driven to rotate, and the latter liquid drops are scattered and dispersed during rotation.
As shown in fig. 4, further, the aging and ageing integrated kettle further comprises a stirring mechanism arranged on the axis of the kettle body; the stirring mechanism comprises a motor 171 arranged at the top of the kettle body, a stirring shaft 172 connected with the motor 171, and a stirring paddle 173 arranged on the stirring shaft 172; the upper end of the motor 171 is also provided with a frequency modulator 174. The stirring mechanism can provide mechanical stirring force to promote aging and aging, wherein the frequency modulator 174 is used for controlling and regulating the rotation speed of the stirring paddle 173, so that different or same stirring speeds can be provided for the aging and the aging, and the application range of the aging and aging integrated kettle is favorably increased.
Further, the stirring paddle 173 is provided with a turbine blade and a three-blade turbine stirring blade in this order from top to bottom on the stirring shaft 172. Further, the length of the turbine blades is no greater than the length of the three-bladed turbine stirring blades. Set up two kinds of stirring rake 173 that differ in the cauldron chamber, when carrying out liquid stirring, form the shearing force of different direction and form, can form different stirring laminar flows in the liquid inside, then different stirring laminar flows remix the mixture, prevent that liquid inside from forming stable whirl, be favorable to liquid material intensive mixing, promoted stirring effect, guaranteed ageing reaction and ageing overall quality.
Further, the ageing and ageing integrated kettle further comprises a plurality of flow baffle plates 18, and the flow baffle plates 18 are vertically arranged on the inner wall of the kettle body. Further, a gap of 2-10cm is arranged between the baffle plate 18 and the inner wall of the kettle body. The baffle plate 18 is arranged in the kettle body, so that the stirring strength of materials can be improved. The gap is arranged between the baffle plate 18 and the kettle body, so that when stirring is carried out, dead angles are not formed in material circulation at the baffle plate 18, and under the condition of high stirring speed, the impact force on the baffle plate 18 can be weakened to a certain extent, so that the structure of the baffle plate 18 is more stable, and meanwhile, the heat exchange efficiency of the material and chilled water in the jacket 16 can be increased through the kettle wall at the gap.
The utility model relates to a continuous aging and aging integrated device for glufosinate-ammonium intermediate production, which is characterized in that when in specific work, a certain amount of phosphorus trichloride is added into a primary aging kettle 12, then a controller 31 opens a chilled water regulating valve 163 corresponding to the primary aging kettle 12 to the primary aging kettleChilled water is introduced into a jacket 16 of the aging kettle 12, then a stirring mechanism is started, a controller 31 starts a primary automatic control valve 131, a complex in a primary complexing liquid high-level tank 11 is dripped into the primary aging kettle 12 through a primary dripping pipeline 13, and liquid drops are scattered and dispersed through a rotary dispersing sheet 151 at a discharge hole of a feeding pipe 15, so that a complex CH 3 PCl 2 ·(CH 3 ) 2 And (3) carrying out an aging reaction on PCl and phosphorus trichloride. The aging reaction is exothermic, the primary thermometer 121 and the primary manometer 122 always detect the reaction temperature and pressure in real time during the aging reaction, and transmit temperature and pressure signals to the controller 31, when the primary manometer 122 detects high pressure (e.g. more than 10 kPa) or the temperature is too high (e.g. more than 40 ℃), the controller 31 can adjust the opening of the primary self-control valve 131 to reduce the dropping speed of the complex, and/or adjust the opening of the chilled water regulating valve 163 to increase the amount of chilled water in the jacket 16; when the primary pressure gauge 122 detects low pressure (such as lower than 5 kPa), or the temperature is too low (such as lower than 25 ℃), the controller 31 can adjust the opening of the primary automatic control valve 131 to increase the dropping speed of the complex, and/or adjust the opening of the chilled water regulating valve 163 to decrease the amount of chilled water in the jacket 16, so as to ensure that the reaction temperature in the kettle cavity is maintained at about 30 ℃, thereby realizing accurate control of the temperature in the aging reaction process. After the complex in the first-stage complex solution high-level tank 11 is completely dripped, the first-stage aging kettle 12 enters an aging mode, and the first-stage self-control valve 131 is closed.
At this time, the aging reaction is transferred to the second-stage aging kettle 22, and the flow and control manner are consistent with those of the first-stage aging kettle 12, and will not be described again.
After the ageing in the primary ageing and ageing kettle 12 is completed for 2 hours, a primary regulating valve 141 is opened, materials are conveyed to a decomplexing reaction kettle through a primary transfer pipeline 14, then the primary regulating valve 141 is closed, a certain amount of phosphorus trichloride is added into the primary ageing and ageing kettle 12, the next ageing reaction starts to be prepared, and after the ageing reaction in the secondary ageing and ageing kettle 22 is finished, the ageing reaction can be transferred to the primary ageing and ageing kettle 12.
When the primary ageing and ageing kettle 12 and the secondary ageing and ageing kettle 22 work, the complex enters the kettle cavity through the feed pipe 15, and at the discharge hole of the feed pipe 15, the liquid drops of the complex are scattered by the rotary dispersing sheets 151 fixed on the inner wall of the discharge hole, and are dispersed into the kettle cavity through the rotation of the rotary dispersing sheets 151, and then the ageing reaction is carried out. The aging and the aging are both carried out under the stirring state, the motor 171 drives the stirring shaft 172 to rotate, the stirring paddle 173 is further driven to rotate, and the rotation speed of the stirring paddle 173 is controlled and regulated through the frequency modulator 174, so that different proper stirring speeds are provided for the aging and the aging. During stirring, the material can be choked flow and change the flow direction by the baffle plate 18, and the dead angle of material circulation is avoided through the gap between the baffle plate 18 and the kettle body, so that the material stirring and mixing effect is improved.
In the present utility model, the detailed structure of some devices is not described in detail, but is known in the art, and is not described herein.
The pressure sensor, the flowmeter or the temperature sensor is arranged between different units or devices on the conveying pipeline inside the device, and meanwhile, different valves, such as a pressure relief valve, a pressure regulating valve, a safety valve and the like, are also arranged for regulating and stabilizing the pressure of the whole device.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solution of the present utility model, and not limiting thereof; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will appreciate that; the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (9)

1. Continuous ageing integrative device is used in production of glufosinate-ammonium intermediate, characterized by comprising: a first-level complexing liquid high-level tank, a first-level aging kettle, a second-level complexing liquid high-level tank and a second-level aging kettle;
the first-level complexing liquid high-level tank is connected with the first-level aging kettle through a first-level dropwise adding pipeline, the second-level complexing liquid high-level tank is connected with the second-level aging kettle through a second-level dropwise adding pipeline, and a first-level automatic control valve and a second-level automatic control valve are correspondingly arranged on the first-level dropwise adding pipeline and the second-level dropwise adding pipeline; the primary aging kettle and the secondary aging kettle are correspondingly provided with a primary thermometer, a primary pressure gauge, a secondary thermometer, a secondary pressure gauge, a primary material transferring pipeline and a secondary material transferring pipeline; a primary regulating valve and a secondary regulating valve are correspondingly arranged on the primary transfer pipeline and the secondary transfer pipeline; the primary automatic control valve, the secondary automatic control valve, the primary thermometer, the primary pressure gauge, the secondary thermometer, the secondary pressure gauge, the primary regulating valve and the secondary regulating valve are respectively and electrically connected with the controller;
the primary aging kettle and the secondary aging kettle are aging integrated kettles with consistent structures; the ageing integrative cauldron is provided with the inlet pipe that runs through ageing integrative cauldron's cauldron body top, the inlet pipe extends to ageing integrative cauldron's cauldron intracavity portion, just the discharge gate department of inlet pipe is provided with rotatory dispersible piece.
2. The continuous aging and ageing integrated device for glufosinate-ammonium intermediate production according to claim 1, wherein the outer side of the kettle body of the aging and ageing integrated kettle is provided with a jacket, the jacket is provided with a jacket inlet and a jacket outlet, a chilled water regulating valve is arranged on a pipeline connected with the jacket inlet, and the chilled water regulating valve is electrically connected with the controller.
3. The continuous aging integrated device for glufosinate-ammonium intermediate production of claim 1, wherein the rotary dispersing sheets are fixed on a rotary rod, and two ends of the rotary rod are rotatably connected to the inner wall of the discharge hole of the feed pipe.
4. A continuous aging and aging integrated device for glufosinate-ammonium intermediate production according to claim 3 wherein the end of the rotary dispersing sheet at one side far from the rotary rod is provided with a concave hemispherical structure.
5. The continuous aging and aging integrated device for glufosinate-ammonium intermediate production of claim 1, wherein the aging and aging integrated kettle further comprises a stirring mechanism arranged on the axis of the kettle body; the stirring mechanism comprises a motor arranged at the top of the kettle body, a stirring shaft connected with the motor, and a stirring paddle arranged on the stirring shaft; the upper end of the motor is also provided with a frequency modulator.
6. The continuous aging integrated device for glufosinate-ammonium intermediate production of claim 5, wherein the stirring paddle is sequentially provided with a turbine blade and a three-blade turbine stirring blade from top to bottom on the stirring shaft.
7. A continuous aging integrated plant for glufosinate-ammonium intermediate production according to claim 6 wherein the length of the turbine blades is no greater than the length of the three-bladed turbine agitator blades.
8. The continuous aging and aging integrated device for glufosinate-ammonium intermediate production of any one of claims 1-7, wherein the aging and aging integrated kettle further comprises a plurality of flow baffles, and a plurality of flow baffles are vertically arranged on the inner wall of the kettle body.
9. The continuous aging integrated device for glufosinate-ammonium intermediate production of claim 8, wherein a gap of 2-10cm is arranged between the baffle plate and the inner wall of the kettle body.
CN202321028908.4U 2023-04-28 2023-04-28 Continuous aging and ageing integrated device for glufosinate-ammonium intermediate production Active CN219615551U (en)

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