CN111195510A - Efficient 2-ethyl anthraquinone condensation reaction kettle - Google Patents
Efficient 2-ethyl anthraquinone condensation reaction kettle Download PDFInfo
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- CN111195510A CN111195510A CN201811365663.8A CN201811365663A CN111195510A CN 111195510 A CN111195510 A CN 111195510A CN 201811365663 A CN201811365663 A CN 201811365663A CN 111195510 A CN111195510 A CN 111195510A
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/0013—Controlling the temperature of the process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
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- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C46/00—Preparation of quinones
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
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Abstract
The invention discloses a high-efficiency 2-ethyl anthraquinone condensation reaction kettle; the lower body of the reaction kettle is provided with an inner layer body and an outer layer body, the outer side surface of the inner layer body is provided with a plurality of arc-shaped concave cavities, heating sleeves are embedded in the arc-shaped concave cavities, and electric heating wires for assisting in heating in reaction are inserted in the heating sleeves; the upper end of the upper cover of the reaction kettle is connected with two groups of 2-ethyl anthraquinone crude product feeding connecting pipes; the bottom of the lower body of the reaction kettle is provided with a discharge hole, and the upper end and the lower end of the outer layer body are welded with a heat preservation liquid injection port and a heat preservation liquid discharge port. The lower body of the reaction kettle has a sandwich structure, and in the reaction, heat preservation liquid is injected into the sandwich of the reaction kettle through a heat preservation liquid injection port; after the reaction is finished, discharging the heat preservation liquid in the interlayer from a heat preservation liquid discharge port; the invention can ensure the rapid and efficient reaction, simultaneously adopts the stirring mechanism with simple structure to assist the reaction, and is provided with the electric heating wire for assisting the heating, and the electric heating wire is inserted in the heating sleeve and is tightly attached to the outer side surface of the inner layer body.
Description
Technical Field
The invention relates to a reaction kettle, in particular to a high-efficiency 2-ethyl anthraquinone condensation reaction kettle.
Background
As is well known, 2-Ethylanthraquinone (2-Ethylanthraquinone) is a light yellow flaky crystal, is dissolved in an organic solvent, has a melting point of 107-.
In the existing production process, a 2-ethyl anthraquinone crude product subjected to hydrolysis and deacidification is added into a reaction kettle, alkali liquor is added, the temperature is raised for alkalization, the alkalization is carried out, then the 2-ethyl anthraquinone crude product is placed into an open type suction filtration cylinder with a filter bag, and a water-jet vacuum pump is adopted for suction filtration, so that solid-liquid separation of materials is realized.
Found through the retrieval, patent number CN 201520758882.8's utility model relates to chemical production 2-ethylanthraquinone equipment technical field, concretely relates to production 2-ethylanthraquinone's equipment system, including raw materials preparation jar, reactor, reaction product jar, its characterized in that still includes reaction intermediate tank, solvent tower, heavy tower that takes off, be equipped with the heater of starting work on raw materials preparation jar import pipeline, be equipped with reaction charge-in pump and reaction heater between raw materials preparation jar and the reactor in proper order, the reactor is connected with the reaction intermediate tank, and one of the export pipeline of reaction intermediate tank links to each other with the reactor and the centre is equipped with circulating pump and circulation heater, and another export pipeline is connected with the reaction product jar, and the reaction product jar is connected with the solvent tower, solvent tower one end is passed through the pipeline and is joined in marriage the jar with the raw materials preparation, and the other end is connected with the heavy tower that takes off.
The invention of patent No. CN201610389490.8 discloses a synthesis device and a process of 2-ethyl anthraquinone, which has the technical scheme that the synthesis device comprises a tubular reactor and a hydrolysis kettle, and also comprises a ball mixer, wherein a feed chute for feeding solid materials is arranged on the ball mixer, a shower nozzle for spraying fluid-shaped materials is arranged in the ball mixer, a liquid inlet pipe communicated with the shower nozzle is also arranged on the ball mixer, the ball mixer is communicated with one end of the tubular reactor, and the other end of the tubular reactor is communicated with the hydrolysis kettle.
For the synthesis process of 2-ethyl anthraquinone, reaction treatment is required, and the existing reaction kettle generally has the following defects: the existing reaction kettle has a complex structure and a large volume, occupies too much space in the operation process, is inconvenient for temperature control and heating, and is relatively troublesome to implement; 2, the existing reaction kettle is inconvenient for internal cleaning, and the automatic control efficiency is low; 3, for the operation of the existing reaction kettle, the raw materials are inconvenient to input, so that the labor intensity is high, the safety is poor, the environmental pollution is high in the operation process, and the working efficiency is low.
Disclosure of Invention
Therefore, in order to solve the above defects, the invention provides a high-efficiency 2-ethyl anthraquinone condensation reaction kettle; the improved lower body of the reaction kettle has a sandwich structure, in the reaction, heat preservation liquid is injected into the sandwich layer of the reaction kettle through a heat preservation liquid injection port, and in addition, after the reaction is finished, the heat preservation liquid in the sandwich layer is discharged through a heat preservation liquid discharge port; the reaction can be carried out quickly and efficiently; simultaneously, this patent has adopted simple structure's rabbling mechanism to come the auxiliary reaction to the electric heating wire of the auxiliary heating who is equipped with, electric heating wire alternates in heating sleeve, hugs closely the lateral surface at the inlayer body.
The invention is realized in this way, construct a high-efficient 2-ethyl anthraquinone condensation reaction kettle, this reaction kettle includes forming the reaction kettle lower part of the body of the intermediate layer, and the separable reaction kettle upper cover of lower part of the body of the reaction kettle, this reaction kettle also has rabbling mechanism and control terminal;
the lower body of the reaction kettle is provided with an inner layer body and an outer layer body, a heat preservation liquid filling cavity capable of injecting heat preservation media is formed between the inner layer body and the outer layer body, a plurality of arc-shaped concave cavities are formed on the outer side surface of the inner layer body, heating sleeves are embedded in the arc-shaped concave cavities, and electric heating wires for assisting in heating during reaction are inserted in the heating sleeves;
the upper end of the upper cover of the reaction kettle is connected with two groups of 2-ethyl anthraquinone crude product feeding connecting pipes;
the stirring mechanism comprises a motor, a motor fixing frame, a stirring shaft and stirring blades; the motor is fixed on the upper surface of the upper cover of the reaction kettle through a motor fixing frame; the rotating end of the motor is connected with a stirring shaft through a speed reducing mechanism, the stirring shaft extends into the lower body of the reaction kettle, and a plurality of groups of stirring blades are welded at the lower end of the stirring shaft; the bottom of the lower body of the reaction kettle is provided with a discharge hole, an electromagnetic valve is arranged on the discharge hole, and the upper end and the lower end of the outer layer body are welded with a heat preservation liquid injection port and a heat preservation liquid discharge port.
During operation, the 2-ethyl anthraquinone crude product is hydrolyzed and deacidified and then is added into the inner layer body through the 2-ethyl anthraquinone crude product feeding connecting pipe, quantitative liquid caustic soda is added from the feeding port according to the alkalization process requirement, and quantitative hot water is added from the feeding port after the liquid caustic soda is fed; the feeding operation of raw materials is convenient;
the lower body of the reaction kettle is provided with a sandwich structure, heat preservation liquid is injected into the sandwich layer of the reaction kettle through a heat preservation liquid injection port during the reaction, and in addition, the heat preservation liquid in the sandwich layer is discharged through a heat preservation liquid discharge port after the reaction is finished; the reaction can be carried out quickly and efficiently;
this patent has adopted simple structure's rabbling mechanism to come the auxiliary reaction to the electric heating wire of the auxiliary heating who is equipped with, electric heating wire alternates in heating sleeve, hugs closely the lateral surface at the inner body.
As an improvement of the technical scheme, the efficient 2-ethyl anthraquinone condensation reaction kettle is further provided with a cleaning and drying mechanism, the cleaning and drying mechanism is fixed at the lower end of the upper cover of the reaction kettle and used for washing and drying the inside of the lower body of the reaction kettle, the cleaning and drying mechanism is provided with a stainless steel fixing frame, and the upper end of the stainless steel fixing frame is connected with the upper cover of the reaction kettle and extends out of the upper cover of the reaction kettle to form a spray-washing port; the middle part of the stainless steel fixing frame is provided with a stirring shaft through hole, the lower end of the stainless steel fixing frame is provided with a plurality of nozzles and drying lamp sets, and a feeding port is arranged between the inner layer body and the outer layer body.
After the reaction is finished, the upper end of the stainless steel fixing frame can be connected with external spraying equipment through a hose, and when the external spraying equipment is started, cleaning liquid can be sprayed out through a nozzle at the lower end of the stainless steel fixing frame to clean the inner side of the inner layer body; and finally, the control module controls the drying lamp set to heat the inner layer body through the output control module, and the inside of the inner layer body is rapidly dried.
As an improvement of the technical scheme, the efficient 2-ethyl anthraquinone condensation reaction kettle comprises an inner layer body, an outer layer body and a waterproof layer, a heat preservation coating layer and the outer wall of the reaction kettle. The waterproof layer and the heat preservation coating layer are added, the waterproof layer can prevent liquid from leaking from inside to outside, the heat preservation coating layer enhances the heat preservation effect of the inner layer body, reduces energy loss and reduces surface temperature; in addition, the inner layer body is composed of three layers of materials, namely a waterproof layer, a heat preservation coating layer and the outer wall of the reaction kettle, so that the autogenous strength of the inner layer body can be enhanced.
As an improvement of the technical scheme, the efficient 2-ethyl anthraquinone condensation reaction kettle comprises a 2-ethyl anthraquinone crude product feeding connection pipe, wherein the 2-ethyl anthraquinone crude product feeding connection pipe is provided with an internal thread connector A, a soft connector, an internal thread connector B and a spring body, the front end and the rear end of the soft connector are respectively bonded with the internal thread connector A and the internal thread connector B, the internal thread connector B is connected to an upper cover of the reaction kettle, the spring body is positioned on the outer side of the soft connector, and the front end and the rear end of the spring body are also bonded with the internal thread connector A and the internal thread connector. In the operation process, the 2-ethyl anthraquinone crude product is hydrolyzed and deacidified and then is added into the inner layer body through the 2-ethyl anthraquinone crude product feeding connecting pipe, so that the 2-ethyl anthraquinone crude product feeding connecting pipe shown in figure 2 can be adopted for facilitating the feeding of the 2-ethyl anthraquinone crude product, the advantage is that the phase can be changed and the self-generated use and the strength of the feeding connecting pipe are not influenced.
As an improvement of the technical scheme, the control terminal of the high-efficiency 2-ethyl anthraquinone condensation reaction kettle is fixed on the outer side surface of the lower body of the reaction kettle;
the control terminal internally comprises a control module, a power management module, a storage module, a signal receiving and processing module, an A/D conversion module, an output control module, a display and input control module and a reaction timing module;
meanwhile, a low liquid level sensing assembly, a middle liquid level sensing assembly, a high liquid level sensing assembly and a temperature sensing assembly are arranged in the inner layer body, and the input end of the signal receiving and processing module is respectively connected with the low liquid level sensing assembly, the middle liquid level sensing assembly, the high liquid level sensing assembly and the temperature sensing assembly in the inner layer body;
the output end of the signal receiving and processing module is connected with the control module through the A/D conversion module, and the control module is also connected with the power management module, the storage module, the output control module, the display and input control module and the reaction timing module;
the output control module is respectively connected with the motor, the drying lamp group, the electric heating wire and the electromagnetic valve, and the control module controls the motor, the drying lamp group, the electric heating wire and the electromagnetic valve through the output control module.
The temperature sensing assembly detects the internal temperature of the inner layer body in the operation process, so that the alkalization reaction is facilitated, the reaction temperature is controlled to be 100 +/-5 ℃, if the temperature is lower than the reaction temperature, the control module controls the electric heating wire to heat through the output control module, and when the reaction temperature reaches 100 +/-5 ℃, the heating of the electric heating wire is stopped;
the personnel can input a 15-20 minute reaction parameter value to the control terminal through the display and input control module, so that the reaction is carried out for 15-20 minutes in a heat preservation reaction mode, the reaction timing module is used for timing the reaction, the output control module is used for controlling the electromagnetic valve to open after the reaction time reaches 15-20 minutes, and the material is output to the next procedure after the discharge hole at the bottom of the reaction kettle is opened. The display and input control module is provided with an input button, an input keyboard and a display screen, and an operator can input other control instructions to the control terminal through the display and input control module.
As an improvement of the technical scheme, the outer layer body of the efficient 2-ethyl anthraquinone condensation reaction kettle is made of high-manganese alloy steel consisting of Mn and Cr alloy elements, and the weight percentage of the high-manganese alloy steel is as follows: c: 0.9 percent; si: 1.0 percent; cr: 3 to 5 percent; mn: 9 to 12 percent; s: less than or equal to 0.03 percent; p: less than or equal to 0.06 percent; the balance being Fe. When the above materials are used, the entire load-carrying capacity of the outer layer body 1B is higher than that of ordinary low-carbon steel, and the service life of the outer layer body 1B can be prolonged.
As an improvement of the technical scheme, the high-efficiency 2-ethyl anthraquinone condensation reaction kettle operates in the following mode; firstly, switching on a power supply of a control terminal and starting the control terminal; then, hydrolyzing and deacidifying the 2-ethyl anthraquinone crude product, adding the 2-ethyl anthraquinone crude product into the inner layer body through a 2-ethyl anthraquinone crude product feeding connecting pipe, adding quantitative liquid caustic soda through a feeding port according to the alkalization process requirement, adding quantitative hot water through the feeding port after the liquid caustic soda is added, starting a stirring mechanism to stir the inner layer body, detecting the internal temperature of the inner layer body through a temperature sensing assembly to facilitate alkalization reaction, controlling the reaction temperature to be 100 +/-5 ℃, controlling an electric heating wire to heat through an output control module by a control module if the temperature is lower than the temperature, controlling the pH value of the alkalization reaction to be 10-14, and stopping heating the electric heating wire when the reaction temperature reaches 100 +/-5 ℃; injecting heat preservation liquid into the interlayer of the reaction kettle through a heat preservation liquid injection port, inputting a 15-20 minute reaction parameter value into a control terminal through a display and input control module at the moment, carrying out heat preservation reaction for 15-20 minutes, timing the reaction by a reaction timing module at the moment, controlling the electromagnetic valve to open by an output control module after the reaction reaches 15-20 minutes, and opening a discharge port at the bottom of the reaction kettle to output materials to the next process; in addition, after the reaction is finished, the heat preservation liquid in the interlayer is discharged from a heat preservation liquid outlet; then the upper end of the stainless steel fixing frame is connected with external spraying equipment through a hose, when the external spraying equipment is started, cleaning liquid can be sprayed out through a nozzle at the lower end of the stainless steel fixing frame, and the inner side of the inner layer body is cleaned; and finally, the control module controls the drying lamp set to heat the inner layer body through the output control module, and the inside of the inner layer body is rapidly dried.
The invention has the following advantages: the invention provides an efficient 2-ethyl anthraquinone condensation reaction kettle through improvement, which is shown in figures 1-3 and has the following improvements and advantages;
the method has the advantages that: the invention provides a high-efficiency 2-ethyl anthraquinone condensation reaction kettle by improvement, which can be implemented as shown in figures 1-3; the reaction kettle comprises a reaction kettle lower body forming an interlayer and a reaction kettle upper cover forming a separable reaction kettle lower body, and the reaction kettle is also provided with a stirring mechanism and a control terminal; the lower body of the reaction kettle is provided with an inner layer body and an outer layer body, a heat preservation liquid filling cavity capable of injecting heat preservation media is formed between the inner layer body and the outer layer body, a plurality of arc-shaped concave cavities are formed on the outer side surface of the inner layer body, heating sleeves are embedded in the arc-shaped concave cavities, and electric heating wires for assisting in heating during reaction are inserted in the heating sleeves; the upper end of the upper cover of the reaction kettle is connected with two groups of 2-ethyl anthraquinone crude product feeding connecting pipes; the stirring mechanism comprises a motor, a motor fixing frame, a stirring shaft and stirring blades; the motor is fixed on the upper surface of the upper cover of the reaction kettle through a motor fixing frame; the rotating end of the motor is connected with a stirring shaft through a speed reducing mechanism, the stirring shaft extends into the lower body of the reaction kettle, and a plurality of groups of stirring blades are welded at the lower end of the stirring shaft; the bottom of the lower body of the reaction kettle is provided with a discharge hole, an electromagnetic valve is arranged on the discharge hole, and the upper end and the lower end of the outer layer body are welded with a heat preservation liquid injection port and a heat preservation liquid discharge port.
During operation, the 2-ethyl anthraquinone crude product is hydrolyzed and deacidified and then is added into the inner layer body through the 2-ethyl anthraquinone crude product feeding connecting pipe, quantitative liquid caustic soda is added from the feeding port according to the alkalization process requirement, and quantitative hot water is added from the feeding port after the liquid caustic soda is fed; the feeding operation of raw materials is convenient;
the lower body of the reaction kettle is provided with a sandwich structure, heat preservation liquid is injected into the sandwich layer of the reaction kettle through a heat preservation liquid injection port during the reaction, and in addition, the heat preservation liquid in the sandwich layer is discharged through a heat preservation liquid discharge port after the reaction is finished; the reaction can be carried out quickly and efficiently;
this patent has adopted simple structure's rabbling mechanism to come the auxiliary reaction to the electric heating wire of the auxiliary heating who is equipped with, electric heating wire alternates in heating sleeve, hugs closely the lateral surface at the inner body.
The method has the advantages that: in the high-efficiency 2-ethyl anthraquinone condensation reaction kettle, a cleaning and drying mechanism is further arranged, as shown in figure 1, the cleaning and drying mechanism is fixed at the lower end of an upper cover of the reaction kettle and used for washing and drying the inside of the lower body of the reaction kettle, the cleaning and drying mechanism is provided with a stainless steel fixing frame, and the upper end of the stainless steel fixing frame is connected with the upper cover of the reaction kettle and extends out of the upper cover of the reaction kettle to form a spray-washing port; the middle part of the stainless steel fixing frame is provided with a stirring shaft through hole, the lower end of the stainless steel fixing frame is provided with a plurality of nozzles and drying lamp sets, and a feeding port is arranged between the inner layer body and the outer layer body. The method has the advantages that after the reaction is finished, the upper end of the stainless steel fixing frame can be connected with external spraying equipment through a hose, and when the external spraying equipment is started, cleaning liquid can be sprayed out through a nozzle at the lower end of the stainless steel fixing frame to clean the inner side of the inner layer body; and finally, the control module controls the drying lamp set to heat the inner layer body through the output control module, and the inside of the inner layer body is rapidly dried.
The method has the advantages that: in this patent an efficient 2-ethyl anthraquinone condensation reaction kettle, the inlayer body includes waterproof layer, heat preservation dope layer and reation kettle outer wall respectively by inside and outside. The waterproof layer and the heat preservation coating layer are added, the waterproof layer can prevent liquid from leaking from inside to outside, the heat preservation coating layer enhances the heat preservation effect of the inner layer body, reduces energy loss and reduces surface temperature; in addition, the inner layer body is composed of three layers of materials, namely a waterproof layer, a heat preservation coating layer and the outer wall of the reaction kettle, so that the autogenous strength of the inner layer body can be enhanced.
The advantages are that: in this patent an efficient 2-ethyl anthraquinone condensation reaction cauldron, 2-ethyl anthraquinone crude is thrown the material and is taken over and have female connector A, soft connector, female connector B and the spring body, both ends bond with female connector A and female connector B respectively around the soft connector, female connector B connects on the reation kettle upper cover, the spring body is located the outside of soft connector to both ends bond into wholly with female connector A and female connector B equally around the spring body. In the operation process, the 2-ethyl anthraquinone crude product is hydrolyzed and deacidified and then is added into the inner layer body through the 2-ethyl anthraquinone crude product feeding connecting pipe, so that the 2-ethyl anthraquinone crude product feeding connecting pipe shown in figure 2 can be adopted for facilitating the feeding of the 2-ethyl anthraquinone crude product, the advantage is that the phase can be changed and the self-generated use and the strength of the feeding connecting pipe are not influenced.
The advantages are that: in the high-efficiency 2-ethyl anthraquinone condensation reaction kettle, the control terminal is fixed on the outer side surface of the lower body of the reaction kettle;
the control terminal internally comprises a control module, a power management module, a storage module, a signal receiving and processing module, an A/D conversion module, an output control module, a display and input control module and a reaction timing module;
meanwhile, a low liquid level sensing assembly, a middle liquid level sensing assembly, a high liquid level sensing assembly and a temperature sensing assembly are arranged in the inner layer body, and the input end of the signal receiving and processing module is respectively connected with the low liquid level sensing assembly, the middle liquid level sensing assembly, the high liquid level sensing assembly and the temperature sensing assembly in the inner layer body;
the output end of the signal receiving and processing module is connected with the control module through the A/D conversion module, and the control module is also connected with the power management module, the storage module, the output control module, the display and input control module and the reaction timing module;
the output control module is respectively connected with the motor, the drying lamp group, the electric heating wire and the electromagnetic valve, and the control module controls the motor, the drying lamp group, the electric heating wire and the electromagnetic valve through the output control module.
The temperature sensing assembly detects the internal temperature of the inner layer body in the operation process, so that the alkalization reaction is facilitated, the reaction temperature is controlled to be 100 +/-5 ℃, if the temperature is lower than the reaction temperature, the control module controls the electric heating wire to heat through the output control module, and when the reaction temperature reaches 100 +/-5 ℃, the heating of the electric heating wire is stopped;
the personnel can input a 15-20 minute reaction parameter value to the control terminal through the display and input control module, so that the reaction is carried out for 15-20 minutes in a heat preservation reaction mode, the reaction timing module is used for timing the reaction, the output control module is used for controlling the electromagnetic valve to open after the reaction time reaches 15-20 minutes, and the material is output to the next procedure after the discharge hole at the bottom of the reaction kettle is opened. The display and input control module is provided with an input button, an input keyboard and a display screen, and an operator can input other control instructions to the control terminal through the display and input control module.
The method has the advantages that: in the efficient 2-ethyl anthraquinone condensation reaction kettle, an outer layer body is made of high-manganese alloy steel consisting of Mn and Cr alloy elements, and the weight percentage of the high-manganese alloy steel is as follows: c: 0.9 percent; si: 1.0 percent; cr: 3 to 5 percent; mn: 9 to 12 percent; s: less than or equal to 0.03 percent; p: less than or equal to 0.06 percent; the balance being Fe. When the above materials are used, the entire load-carrying capacity of the outer layer body 1B is higher than that of ordinary low-carbon steel, and the service life of the outer layer body 1B can be prolonged.
Drawings
FIG. 1 is a schematic view of the overall structure of a 2-ethylanthraquinone condensation reaction kettle according to the present invention;
FIG. 2 is a schematic view of a feeding adapter for crude 2-ethylanthraquinone in the present invention;
fig. 3 is a block diagram of the present invention implementing intelligent control using a control terminal.
Wherein: the device comprises a lower body 1 of the reaction kettle, an inner body 1A, an outer body 1B, an upper cover 2 of the reaction kettle, a control terminal 3, a heat preservation liquid filling cavity 4, an arc-shaped concave cavity 5, a heating sleeve 6, an electric heating wire 7, a 2-ethyl anthraquinone crude product feeding connecting pipe 8, a motor 9, a motor fixing frame 10, a stirring shaft 11, stirring blades 12, a discharge hole 13, a heat preservation liquid injection port 14, a heat preservation liquid discharge port 15, a stainless steel fixing frame 16, an upper end 17 of the stainless steel fixing frame, a stirring shaft through hole 18, a nozzle 19, a drying lamp group 20, a waterproof layer 21, a heat preservation coating layer 22, an outer wall 23 of the reaction kettle, an internal thread connector A24, a soft connector 25, an internal thread connector B26, a spring body 27, a control module 28, a power supply management module 29, a storage module 30, a signal receiving and processing module 31, an, the reaction timing module 35, a low liquid level sensing assembly 36, a medium liquid level sensing assembly 37, a high liquid level sensing assembly 38, a temperature sensing assembly 39, a feeding port 40 and a solenoid valve 41.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 3, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a high-efficiency 2-ethyl anthraquinone condensation reaction kettle by improvement, which can be implemented as shown in figures 1-3; the reaction kettle comprises a reaction kettle lower body 1 forming an interlayer and a reaction kettle upper cover 2 formed by the reaction kettle lower body 1 in a separable way, and the reaction kettle is also provided with a stirring mechanism and a control terminal 3;
the reaction kettle lower body 1 is provided with an inner layer body 1A and an outer layer body 1B, a heat preservation liquid filling cavity 4 capable of injecting heat preservation media is formed between the two parts, a plurality of arc-shaped concave cavities 5 are formed on the outer side surface of the inner layer body 1A, heating sleeves 6 are embedded in the arc-shaped concave cavities 5, and electric heating wires 7 for assisting in heating in reaction are inserted in the heating sleeves 6;
the upper end of the reaction kettle upper cover 2 is connected with two groups of 2-ethyl anthraquinone crude product feeding connecting pipes 8;
the stirring mechanism comprises a motor 9, a motor fixing frame 10, a stirring shaft 11 and stirring blades 12; the motor 9 is fixed on the upper surface of the reaction kettle upper cover 2 through a motor fixing frame 10; the rotating end of the motor 9 is connected with a stirring shaft 11 through a speed reducing mechanism, the stirring shaft 11 extends into the lower body 1 of the reaction kettle, and the lower end of the stirring shaft is welded with a plurality of groups of stirring blades 12; the bottom of the lower body 1 of the reaction kettle is provided with a discharge port 13, the discharge port 13 is provided with an electromagnetic valve 41, and the upper end and the lower end of the outer layer body 1B are welded with a heat preservation liquid injection port 14 and a heat preservation liquid discharge port 15.
Compared with the existing reaction kettle, the invention has the following improvements;
during operation, 2-ethyl anthraquinone crude product is hydrolyzed and deacidified, then is added into an inner layer body 1A through a 2-ethyl anthraquinone crude product feeding connecting pipe 8, quantitative liquid caustic soda is added through a feeding port 40 according to the alkalization process requirement, and quantitative hot water is added through the feeding port 40 after the liquid caustic soda is fed; the feeding operation of raw materials is convenient;
2, the lower body 1 of the reaction kettle has a sandwich structure, in the reaction, heat preservation liquid is injected into the sandwich of the reaction kettle through a heat preservation liquid injection port 14, and in addition, after the reaction is finished, the heat preservation liquid in the sandwich is firstly discharged through a heat preservation liquid discharge port 15; the reaction can be carried out quickly and efficiently;
its 3, this patent has adopted simple structure's rabbling mechanism to come the auxiliary reaction to the electric heating wire 7 of the auxiliary heating of outfit, electric heating wire 7 alternates in heating jacket 6, hugs closely at the lateral surface of inlayer body 1A.
In the high-efficiency 2-ethyl anthraquinone condensation reaction kettle, a cleaning and drying mechanism is further arranged, as shown in figure 1, the cleaning and drying mechanism is fixed at the lower end of an upper cover 2 of the reaction kettle and is used for washing and drying the interior of the lower body 1 of the reaction kettle, the cleaning and drying mechanism is provided with a stainless steel fixing frame 16, and an upper end 17 of the stainless steel fixing frame 16 is connected with the upper cover 2 of the reaction kettle and extends out of the upper cover 2 of the reaction kettle to form a spray-washing port; the middle part of the stainless steel fixing frame 16 is provided with a stirring shaft through hole 18, the lower end of the stainless steel fixing frame 16 is provided with a plurality of nozzles 19 and a drying lamp group 20, and a feeding port 40 is arranged between the inner layer body 1A and the outer layer body 1B. The method has the advantages that after the reaction is finished, the upper end 17 of the stainless steel fixing frame 16 can be connected with external spraying equipment through a hose, when the external spraying equipment is started, cleaning liquid can be sprayed out through the nozzle 19 at the lower end of the stainless steel fixing frame 16, and the inner side of the inner layer body 1A is cleaned; finally, the control module 28 controls the drying lamp set 20 to heat the inner layer 1A through the output control module 33, so as to dry the inner layer 1A quickly.
In this patent an efficient 2-ethylanthraquinone condensation reaction kettle, inlayer body 1A is by interior outer waterproof layer 21, heat preservation dope layer 22 and reation kettle outer wall 23 of including respectively. The waterproof layer 21 and the heat preservation coating layer 22 are added, the waterproof layer 21 can prevent liquid from leaking from inside to outside, and the heat preservation coating layer 22 enhances the heat preservation effect of the inner layer body 1A, reduces energy loss and reduces surface temperature; in addition, the inner body 1A is composed of three layers of materials, namely a waterproof layer 21, a heat preservation coating layer 22 and a reaction kettle outer wall 23, so that the autogenous strength of the inner body 1A can be enhanced.
In this patent an efficient 2-ethyl anthraquinone condensation reaction kettle, 2-ethyl anthraquinone crude is thrown the material and is taken over 8 and have female connection head A24, soft connector 25, female connection head B26 and spring body 27, both ends bond with female connection head A24 and female connection head B26 respectively around soft connector 25, female connection head B26 is connected on reation kettle upper cover 2, spring body 27 is located the outside of soft connector 25, and spring body 27 around both ends bond into wholly with female connection head A24 and female connection head B26 equally. In the operation process, the 2-ethyl anthraquinone crude product is hydrolyzed and deacidified and then is added into the inner layer body 1A through the 2-ethyl anthraquinone crude product feeding connecting pipe 8, in order to facilitate the feeding of the 2-ethyl anthraquinone crude product, the 2-ethyl anthraquinone crude product feeding connecting pipe 8 shown in the figure 2 can be adopted, and the advantages of random phase-changing lifting and no influence on the use and the strength of the feeding connecting pipe are achieved.
In the high-efficiency 2-ethyl anthraquinone condensation reaction kettle, the control terminal 3 is fixed on the outer side surface of the lower body 1 of the reaction kettle;
the control terminal 3 comprises a control module 28, a power management module 29, a storage module 30, a signal receiving and processing module 31, an A/D conversion module 32, an output control module 33, a display and input control module 34 and a reaction timing module 35;
meanwhile, a low liquid level sensing component 36, a medium liquid level sensing component 37, a high liquid level sensing component 38 and a temperature sensing component 39 are arranged in the inner layer body 1A,
the input end of the signal receiving and processing module 31 is respectively connected with a low liquid level sensing component 36, a medium liquid level sensing component 37, a high liquid level sensing component 38 and a temperature sensing component 39 in the inner layer body 1A;
the output end of the signal receiving and processing module 31 is connected with the control module 28 through the A/D conversion module 32, and the control module 28 is also connected with the power management module 29, the storage module 30, the output control module 33, the display and input control module 34 and the reaction timing module 35;
the output control module 33 is respectively connected with the motor 9, the drying lamp set 20, the electric heating wire 7 and the electromagnetic valve 41, and the control module 28 controls the motor 9, the drying lamp set 20, the electric heating wire 7 and the electromagnetic valve 41 through the output control module 33.
In the operation process, the temperature sensing assembly 39 detects the internal temperature of the inner layer body 1A, so as to facilitate the alkalization reaction, the reaction temperature is controlled to be 100 +/-5 ℃, if the temperature is lower than the reaction temperature, the control module 28 controls the electric heating wire 7 to heat through the output control module 33, and when the reaction temperature reaches 100 +/-5 ℃, the heating of the electric heating wire 7 is stopped;
the personnel can input the 15-20 minute reaction parameter value to the control terminal 3 through the display and input control module 34, so that the heat preservation reaction is carried out for 15-20 minutes, at the moment, the reaction timing module 35 is used for timing the reaction, when the reaction time reaches 15-20 minutes, the output control module 33 is used for controlling the electromagnetic valve 41 to be opened, and the material is output to the next procedure by opening the discharge hole 13 at the bottom of the reaction kettle. The display and input control module 34 has input buttons, an input keyboard and a display screen, and an operator can input other control instructions to the control terminal 3 through the display and input control module 34.
Wherein, low liquid level sensing subassembly 36, well liquid level sensing subassembly 37, high liquid level sensing subassembly 38 are used for detecting the liquid level height in the reation kettle respectively.
In the efficient 2-ethyl anthraquinone condensation reaction kettle, the outer layer body 1B is made of high-manganese alloy steel consisting of Mn and Cr alloy elements, and the weight percentage of the alloy steel is as follows: c: 0.9 percent; si: 1.0 percent; cr: 3 to 5 percent; mn: 9 to 12 percent; s: less than or equal to 0.03 percent; p: less than or equal to 0.06 percent; the balance being Fe. When the above materials are used, the entire load-carrying capacity of the outer layer body 1B is higher than that of ordinary low-carbon steel, so that the service life of the outer layer body 1B can be prolonged.
In conclusion, the efficient 2-ethylanthraquinone condensation reaction kettle provided by the invention operates as follows; firstly, the power supply of the control terminal 3 is switched on, and the control terminal 3 is started; then, hydrolyzing and deacidifying the 2-ethyl anthraquinone crude product, adding the 2-ethyl anthraquinone crude product into the inner layer body 1A through the 2-ethyl anthraquinone crude product feeding connecting pipe 8, adding quantitative liquid caustic soda through the feeding port 40 according to the alkalization process requirement, adding quantitative hot water through the feeding port 40 after the liquid caustic soda is added, starting a stirring mechanism to stir the inner layer body 1A, detecting the internal temperature of the inner layer body 1A through the temperature sensing assembly 39 to facilitate alkalization reaction, controlling the reaction temperature to be 100 +/-5 ℃, controlling the electric heating wire 7 to heat through the output control module 33 by the control module 28 if the temperature is lower than the temperature, controlling the PH value of the alkalization reaction to be 10-14, and stopping heating the electric heating wire 7 when the reaction temperature reaches 100 +/-5 ℃; injecting heat preservation liquid into the interlayer of the reaction kettle through the heat preservation liquid injection port 14, inputting a 15-20 minute reaction parameter value into the control terminal 3 through the display and input control module 34 at the moment, carrying out heat preservation reaction for 15-20 minutes, timing the reaction by the reaction timing module 35 at the moment, controlling the electromagnetic valve 41 to be opened by the output control module 33 after 15-20 minutes, and opening the discharge port 13 at the bottom of the reaction kettle to output materials to the next process; in addition, after the reaction is finished, the heat preservation liquid in the interlayer is discharged from a heat preservation liquid discharge port 15; then, the upper end 17 of the stainless steel fixing frame 16 is connected with external spraying equipment through a hose, when the external spraying equipment is started, cleaning liquid can be sprayed out through a nozzle 19 at the lower end of the stainless steel fixing frame 16, and the inner side of the inner layer body 1A is cleaned; finally, the control module 28 controls the drying lamp set 20 to heat the inner layer 1A through the output control module 33, so as to dry the inner layer 1A quickly.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The utility model provides a high efficiency 2-ethylanthraquinone condensation reaction kettle which characterized in that: the reaction kettle comprises a reaction kettle lower body (1) forming an interlayer and a reaction kettle upper cover (2) formed by the reaction kettle lower body (1) and capable of being separated,
the reaction kettle is also provided with a stirring mechanism and a control terminal (3);
the reaction kettle lower body (1) is provided with an inner layer body (1A) and an outer layer body (1B), a heat preservation liquid filling cavity (4) capable of being filled with a heat preservation medium is formed between the inner layer body and the outer layer body, a plurality of arc-shaped concave cavities (5) are formed on the outer side surface of the inner layer body (1A), heating sleeves (6) are embedded in the arc-shaped concave cavities (5), and electric heating wires (7) for assisting in heating during reaction are inserted into the heating sleeves (6);
the upper end of the reaction kettle upper cover (2) is connected with two groups of 2-ethyl anthraquinone crude product feeding connecting pipes (8);
the stirring mechanism comprises a motor (9), a motor fixing frame (10), a stirring shaft (11) and stirring blades (12); the motor (9) is fixed on the upper surface of the reaction kettle upper cover (2) through a motor fixing frame (10); the rotating end of the motor (9) is connected with a stirring shaft (11) through a speed reducing mechanism, the stirring shaft (11) extends into the lower body (1) of the reaction kettle, and the lower end of the stirring shaft is welded with a plurality of groups of stirring blades (12); the bottom of the lower body (1) of the reaction kettle is provided with a discharge hole (13), the discharge hole (13) is provided with an electromagnetic valve (41), and the upper end and the lower end of the outer layer body (1B) are welded with a heat preservation liquid injection port (14) and a heat preservation liquid discharge port (15).
2. The efficient 2-ethylanthraquinone condensation reactor as recited in claim 1, wherein: the reaction kettle is also provided with a cleaning and drying mechanism which is fixed at the lower end of the upper cover (2) of the reaction kettle and is used for washing and drying the inside of the lower body (1) of the reaction kettle, the cleaning and drying mechanism is provided with a stainless steel fixing frame (16), and the upper end (17) of the stainless steel fixing frame (16) is connected with the upper cover (2) of the reaction kettle and extends out of the upper cover (2) of the reaction kettle to form a spray washing port; a stirring shaft through hole (18) is formed in the middle of the stainless steel fixing frame (16), a plurality of nozzles (19) and drying lamp sets (20) are mounted at the lower end of the stainless steel fixing frame (16), and a feeding port (40) is formed between the inner layer body (1A) and the outer layer body (1B).
3. The efficient 2-ethylanthraquinone condensation reactor as recited in claim 1, wherein: the inner layer body (1A) comprises a waterproof layer (21), a heat preservation coating layer (22) and a reaction kettle outer wall (23) from inside to outside.
4. The efficient 2-ethylanthraquinone condensation reactor as recited in claim 1, wherein: the 2-ethyl anthraquinone crude product feeding connecting pipe (8) is provided with an internal thread connector A (24), a soft connector (25), an internal thread connector B (26) and a spring body (27), the front end and the rear end of the soft connector (25) are respectively bonded with the internal thread connector A (24) and the internal thread connector B (26), the internal thread connector B (26) is connected to the upper cover (2) of the reaction kettle, the spring body (27) is positioned on the outer side of the soft connector (25), and the spring body (27) is arranged on the outer side of the soft connector (25)
The front and rear ends of the body (27) are bonded integrally with the female connector A (24) and the female connector B (26) in the same manner.
5. The efficient 2-ethylanthraquinone condensation reactor as recited in claim 1, wherein: the control terminal (3) is fixed on the outer side surface of the lower body (1) of the reaction kettle;
the control terminal (3) internally comprises a control module (28), a power management module (29), a storage module (30), a signal receiving and processing module (31), an A/D conversion module (32), an output control module (33), a display and input control module (34) and a reaction timing module (35);
meanwhile, a low liquid level sensing component (36), a middle liquid level sensing component (37), a high liquid level sensing component (38) and a temperature sensing component (39) are arranged in the inner layer body (1A),
the input end of the signal receiving and processing module (31) is respectively connected with a low liquid level sensing component (36), a middle liquid level sensing component (37), a high liquid level sensing component (38) and a temperature sensing component (39) in the inner body (1A);
the output end of the signal receiving and processing module (31) is connected with the control module (28) through the A/D conversion module (32), and the control module (28) is also connected with the power management module (29), the storage module (30), the output control module (33), the display and input control module (34) and the reaction timing module (35);
the output control module (33) is respectively connected with the motor (9), the drying lamp set (20), the electric heating wire (7) and the electromagnetic valve (41), and the control module (28) controls the motor (9), the drying lamp set (20), the electric heating wire (7) and the electromagnetic valve (41) through the output control module (33).
6. The efficient 2-ethylanthraquinone condensation reactor as recited in claim 1, wherein: the outer layer body (1B) is made of high manganese alloy steel consisting of Mn and Cr alloy elements, and the weight percentage of the alloy steel is as follows: c: 0.9 percent; si: 1.0 percent; cr: 3 to 5 percent; mn: 9 to 12 percent; s: less than or equal to 0.03 percent; p: less than or equal to 0.06 percent; the balance being Fe.
7. The efficient 2-ethylanthraquinone condensation reactor as recited in claim 1, wherein: the operation is as follows; firstly, the power supply of the control terminal (3) is switched on, and the control terminal (3) is started; then hydrolyzing and deacidifying the 2-ethyl anthraquinone crude product, adding the hydrolyzed and deacidified 2-ethyl anthraquinone crude product into the inner layer body (1A) through a 2-ethyl anthraquinone crude product feeding connecting pipe (8), adding a certain amount of liquid caustic soda through a feeding port (40) according to the requirement of an alkalization process, adding a certain amount of hot water through the feeding port (40) after the liquid caustic soda is added, starting a stirring mechanism to stir the liquid caustic soda, detecting the internal temperature of the inner layer body (1A) through a temperature sensing assembly (39) to facilitate alkalization reaction, controlling the reaction temperature to be 100 +/-5 ℃, and controlling a control module (28) to output a control module if the temperature is lower than the temperature so as to control the alkalization reaction conveniently
The block (33) controls the electric heating wire (7) to heat, the pH value of the alkalization reaction is controlled to be 10-14, and when the reaction temperature reaches 100 +/-5 ℃, the electric heating wire (7) stops heating; injecting heat preservation liquid into the interlayer of the reaction kettle through a heat preservation liquid injection port (14), inputting a 15-20 minute reaction parameter value into a control terminal (3) through a display and input control module (34) at the moment, carrying out heat preservation reaction for 15-20 minutes, timing the reaction by a reaction timing module (35), controlling an electromagnetic valve (41) to be opened by an output control module (33) after 15-20 minutes, and opening a discharge port (13) at the bottom of the reaction kettle to output materials to the next process; in addition, after the reaction is finished, the heat preservation liquid in the interlayer is discharged from a heat preservation liquid discharge port (15); then the upper end (17) of the stainless steel fixing frame (16) is communicated with external spraying equipment through a hose, when the external spraying equipment is started, cleaning liquid can be sprayed out through a nozzle (19) at the lower end of the stainless steel fixing frame (16), and the inner side of the inner layer body (1A) is cleaned; and finally, the control module (28) controls the drying lamp set (20) to generate heat in the inner layer body (1A) through the output control module (33), and the inside of the inner layer body (1A) is dried quickly.
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Application publication date: 20200526 |