CN206566901U - A kind of time control structure of chemical reaction kettle - Google Patents

Abstract

The utility model discloses a timing control structure of a chemical reaction kettle, which comprises a kettle body, a hot oil tank and a cold oil tank. A plurality of stirring shafts are rotatably connected to the kettle body, and stirring blades are fixedly connected to the stirring shafts. Extending out of the kettle body, the right part of the stirring shaft is interference-connected with transmission gears, the stirring shafts are connected through gear meshing transmission and connected with the stirring motor, and both ends of the stirring shaft are fixedly connected with rotary pipe joints. The hot oil tank and The upper end of the cold oil tank is fixedly connected with a hot oil pump. The oil inlet of the hot oil pump is respectively connected with the pipes of the hot oil tank and the cold oil tank. The connecting pipes are respectively equipped with a heating solenoid valve and a cooling solenoid valve. Rotary pipe joints are connected through pipelines, and the utility model has timing control, good heating and cooling uniformity, high efficiency, convenient and reliable use, and can effectively improve the working efficiency of personnel.

Description

A Timing Control Structure of a Chemical Reactor

technical field

The utility model relates to a reaction device, in particular to a timing control structure of a chemical reaction kettle.

Background technique

Reactor is a container used for physical or chemical reactions in chemical production. It is used to realize heating, evaporation, cooling and low-speed mixing functions. In order to accelerate the internal chemical reaction, the heating and stirring functions of the reactor are very important. Heating The temperature of the internal reactants can be increased to accelerate their reaction, and the stirring can make the reactants fully mixed to fully react. The existing reaction kettle is heated by heat conduction through the high-temperature hot oil in the hot oil tank in the lower part of the kettle body. Heating, the heating surface is concentrated at the bottom of the kettle body, which has a good heating effect on the peripheral fluid of the reactor body, but its effect on the fluid heating in the middle and upper parts of the kettle body is worrying, and the heat transfer between the heating surface and the reactants in the middle and upper part of the kettle body The path is too long, the heating efficiency is low and uneven, and it is necessary to cooperate with the stirring of the stirring blade to improve the uniformity of its heating, which affects the reaction effect of the reaction composition to a certain extent; in addition, the existing reactors are all Rely on manual control, and rely more on natural cooling after the reaction is completed, which takes a very long time, greatly wastes the working time of personnel, and reduces production efficiency.

Utility model content

The purpose of this utility model is to provide a timing control structure of a chemical reaction kettle to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

A timing control structure for a chemical reaction kettle, including a kettle body, a hot oil tank and a cold oil tank. A discharge valve is connected to the center of the lower end of the kettle body, a foot is fixedly connected to the lower end of the kettle body, and a feeding valve is connected to the upper end of the kettle body. The hot oil tank is fixedly connected with a number of electric heating rods, the hot oil tank and the cold oil tank are filled with heat transfer oil, and the kettle body of the kettle body is rotatably connected with a number of stirring shafts through sealed bearings, and the stirring shafts are fixedly connected with stirring blades. Both ends of the stirring shaft extend out of the kettle body, and the right part of the stirring shaft is interference-connected with transmission gears. The stirring shafts are connected through gear meshing transmission and are connected to the stirring motor. The stirring motor is fixedly connected to the side wall of the kettle body. The shafts are all hollow tubular structures and both ends are fixedly connected with rotary pipe joints, and both sides of the kettle body are also fixedly connected with fixed frames, and the rotary pipe joints are all fixedly connected on the fixed frames; the hot oil tank and cold oil tank The upper end is fixedly connected with a hot oil pump, and the oil inlet of the hot oil pump is fixedly connected with a three-way pipe. The two nozzles of the three-way pipe are respectively connected with the lower end pipes of the side walls of the hot oil tank and the cold oil tank. The connecting pipes are respectively equipped with a heating solenoid valve and a cooling valve. Solenoid valve, the oil outlet of the hot oil pump is connected with the rotary pipe joint at the left end of each stirring shaft through pipelines, the upper ends of the hot oil tank and the cold oil tank are also equipped with oil return ports, and the connecting pipes of the oil return ports are respectively equipped with heat recovery solenoid valves and the return cooling solenoid valve and the two connecting pipes are connected in parallel to the rotary pipe joint at the right end of the stirring shaft. The foot is also equipped with a time control switch. The stirring motor, the hot oil pump, the heating solenoid valve, the cooling solenoid valve, the heat recovery Both the solenoid valve and the cooling solenoid valve are electrically connected to the output end of the time control switch.

As a further solution of the utility model: both the hot oil tank and the cold oil tank are provided with an oil filling port and an oil return port.

As a further solution of the utility model: the stirring shaft is made of high-silicon aluminum alloy.

As a further solution of the utility model: the hot oil tank is covered with a thermal insulation pad, and the side wall of the cold oil tank is provided with a number of cooling fins.

As a further solution of the utility model: the model of the time control switch is KG316T.

Compared with the prior art, the beneficial effect of the utility model is: abandoning the traditional heating method at the bottom of the kettle, and directly transporting the hot oil to the internal multiple stirring shafts for heating from the inside of the kettle body, shortening the heat transfer path, The heating efficiency is high, and the heating path difference between the reactants in the heating kettle body is reduced from the middle position, the heating uniformity is improved, and the overall heating and reaction effect is better. The time-controlled switch realizes automatic control, and personnel do not need real-time control. It can quickly and automatically complete the heating reaction and cooling process, which greatly improves production efficiency.

Description of drawings

Fig. 1 is a structural schematic diagram of a timing control structure of a chemical reaction kettle.

Fig. 2 is a right view of a timing control structure of a chemical reactor.

detailed description

The technical solution of this patent will be further described in detail below in conjunction with specific embodiments.

Please refer to Figure 1-2, a timing control structure of a chemical reaction kettle, including a kettle body 1, a hot oil tank 2 and a cold oil tank 3, the center of the lower end of the kettle body 1 is connected with a discharge valve 4, and the lower end of the kettle body 1 is also A leg 5 is fixedly connected, a feed valve 6 is connected to the upper end of the kettle body 1, a number of electric heating rods 7 are fixedly connected in the hot oil tank 2, the hot oil tank 2 and the cold oil tank 3 are filled with heat-conducting oil, the hot oil tank 2 and the cold oil tank 3 Both are equipped with oil filling ports and oil return ports. The hot oil tank 2 is covered with insulation pads, and the side wall of the cold oil tank 3 is provided with a number of cooling fins. and low-temperature cold oil to heat and cool the inside of the kettle body 1 respectively. The kettle body of the kettle body 1 is rotatably connected with a number of stirring shafts 8 through sealed bearings, and the stirring shafts 8 are fixedly connected with stirring blades 9 and 8. Both ends extend out of the kettle body 1, and the right part of the stirring shaft 8 is interference-connected with a transmission gear 10. The stirring shafts 8 are connected through gear meshing transmission and are connected to the stirring motor 11. The stirring motor 11 is fixedly connected to the kettle body. 1 on the side wall, the stirring shaft 8 is a hollow tubular structure and both ends are fixedly connected with a rotary pipe joint 12, and both side walls of the kettle body 1 are also fixedly connected with a fixed frame 13, and the rotary pipe joint 12 is fixedly connected to the On the fixed frame 13; the upper ends of the hot oil tank 2 and the cold oil tank 3 are fixedly connected with a hot oil pump 14, and the oil inlet of the hot oil pump 14 is fixedly connected with a three-way pipe, and the two nozzles of the three-way pipe are connected with the hot oil tank 2 and the cold oil tank respectively. 3. The lower ends of the side walls are connected by pipes. The connecting pipes are respectively provided with a heating solenoid valve 15 and a cooling solenoid valve 16. The oil outlet of the hot oil pump 14 is connected to the rotary pipe joint 12 at the left end of each stirring shaft 8 through pipes. The hot oil tank 2 and the cooling The upper end of the oil tank 3 is also provided with an oil return port, and the connecting pipes of the oil return port are respectively provided with a heating solenoid valve 17 and a cooling solenoid valve 18, and the two connecting pipes are connected in parallel with the rotary pipe joint 12 at the right end of the stirring shaft 8 , the said leg 5 is also provided with a time control switch 19 (the time control switch 19 is connected to the leg 5 for convenience of display, and should be installed in a position convenient for operation during actual production), the model of the time control switch 19 is KG316T, and the The stirring motor 11, the hot oil pump 14, the heating solenoid valve 15, the cooling solenoid valve 16, the heating solenoid valve 17 and the cooling solenoid valve 18 are all electrically connected to the output end of the time control switch 19. Start the relevant equipment, specifically the hot oil pump 14, the stirring motor 11, the heating solenoid valve 15 and the heat recovery solenoid valve 17 (because the hot oil in the hot oil tank 2 needs to be heated in advance, the electric heating rod 7 needs to be started in advance, the practical electric heating rod 7 It does not rely on the time control switch 19 to control, but in actual production, the electric heating rod 7 can also be electrically connected to the output end of the time-space switch), the stirring motor 11 drives the 9 stirring blades to rotate, and the hot oil pump 14 can transfer the heated heat The oil is sent to the stirring shaft 8 and returned to the hot oil tank 2 through the rotary pipe joint 12 on the right side of the stirring shaft 8, and the hot oil is directly sent to the middle of the kettle body 1 for internal heating. During the rotation process, the normal passage of hot oil is guaranteed, and the material of the stirring shaft 8 with hollow tubular structure is high Silicon-aluminum alloy with high strength and good thermal conductivity ensures normal stirring and heating. The reaction time is controlled by adjusting the time control switch 19 according to the different reactants. After the time is up, the heating solenoid valve 15 and the heating solenoid valve 17 At the same time, the refrigeration solenoid valve 16 and the return cooling solenoid valve 18 are turned on, which is converted to deliver low-temperature cooling oil to the inside (a small amount of hot oil will flow into the cold oil tank 3 during the transformation of the solenoid valve, but because of the small amount, the impact is not significant), as above , through the low-temperature cooling oil to absorb heat from the inside to improve the cooling effect. After the total timing time is up, the time control switch 19 controls all electrical appliances to turn off. At this time, the overall reaction process is completed, and the kettle body 1 is cooled, and the cover can be opened directly without Wait, easy to use, high efficiency and good effect.

The preferred implementation of this patent has been described in detail above, but this patent is not limited to the above-mentioned implementation, and within the knowledge of those of ordinary skill in the art, it can also be made without departing from the purpose of this patent. Variations.

Claims (5)

1. a kind of time control structure of chemical reaction kettle, including kettle（1）, deep fat case（2）With cold oil case（3）, the kettle （1）Lower end center is communicated with outlet valve（4）, kettle（1）Lower end is also fixedly connected with leg（5）, kettle（1）Upper end is communicated with Charging valve（6）, the deep fat case（2）Inside it is fixedly connected with some electrical bars（7）, deep fat case（2）With cold oil case（3）Inside it is filled with Conduction oil, it is characterised in that the kettle（1）Kettle body on be rotatably connected to some agitating shafts by sealed bearings（8）, stirring Axle（8）On be fixedly connected with paddle（9）, agitating shaft（8）Kettle is stretched out at two ends（1）Outside, agitating shaft（8）The equal interference of right part It is connected with travelling gear（10）, agitating shaft（8）Between pass through meshed transmission gear connection and and stirring motor（11）Drive connection, Stirring motor（11）It is fixedly connected on kettle（1）On the wall of side, agitating shaft（8）It is hollow tubular structures and two ends are fixedly connected with There is swivel joint（12）, kettle（1）Two side has also been fixedly connected with fixed mount（13）, the swivel joint（12）It is solid Surely it is connected to fixed mount（13）On；The deep fat case（2）With cold oil case（3）Upper end is fixedly connected with hot oil pump（14）, hot oil pump （14）Oil inlet be fixedly connected with three-way pipe, two mouths of pipe of three-way pipe respectively with deep fat case（2）With cold oil case（3）Side wall lower ends Pipeline is connected, and heating electromagnetic valve is respectively equipped with connecting pipe（15）With refrigeration magnetic valve（16）, hot oil pump（14）Oil-out With each agitating shaft（8）The swivel joint of left end（12）Connected by pipeline, deep fat case（2）With cold oil case（3）Also open upper end Provided with oil return opening, backheat magnetic valve is respectively equipped with the connecting pipe of oil return opening（17）With time cold magnetic valve（18）And two connecting tubes With agitating shaft after road is in parallel（8）The swivel joint of right-hand member（12）Pipeline is connected, the leg（5）On be additionally provided with time switch （19）, the stirring motor（11）, hot oil pump（14）, heating electromagnetic valve（15）, refrigeration magnetic valve（16）, backheat magnetic valve（17） With time cold magnetic valve（18）And time switch（19）Output end be electrically connected with.

2. a kind of time control structure of chemical reaction kettle according to claim 1, it is characterised in that the deep fat case （2）With cold oil case（3）It is equipped with oil filler and oil return opening.

3. a kind of time control structure of chemical reaction kettle according to claim 1, it is characterised in that the agitating shaft （8）Material is silumin.

4. a kind of time control structure of chemical reaction kettle according to claim 1, it is characterised in that the deep fat case （2）It is coated with heat keeper, cold oil case（3）Side wall is provided with some radiating fins.

5. a kind of time control structure of chemical reaction kettle according to claim 1, it is characterised in that the time switch （19）Model KG316T.