Preparation method and equipment of thiophenol chemical peptizer

Abstract

The invention relates to the technical field of peptizer preparation, in particular to a thiophenol chemical peptizer preparation method and equipment which comprises a reaction tank, a main material pipe and a solvent pipe. The device further comprises a shaft pipe, a mixing tank, a stirring rod, a driving shaft and a plurality of first impellers, the shaft pipe is vertically and rotatably installed in the reaction tank, heaters are arranged at the bottom of the reaction tank and on the side wall of the shaft pipe, the mixing tank is installed above the reaction tank, and the output ends of the main material pipe and the solvent pipe extend into the bottom of a cavity of the mixing tank. A liquid adding opening of the shaft pipe is located at the bottom of a cavity of the mixing tank, a stirring rod is installed on the lower portion of the shaft pipe, the driving shaft is concentrically and rotatably installed in the shaft pipe, the lower end of the driving shaft and the shaft pipe are provided with a transmission assembly, the transmission assembly enables the driving shaft and the shaft pipe to rotate in opposite directions, and a plurality of first impellers are installed on the driving shaft; the device can be used for mixing and stirring a mixed solution, and also can be used for heating the mixed solution at the bottom, in the middle and in circulating flow, so that the preparation efficiency of the thiophenol chemical peptizer is improved.

Description

Technical Field

[0001] The invention relates to the technical field of peptizer preparation, and in particular to a preparation method and equipment for a thiophenol chemical peptizer. Background Art

[0002] Thiophenol chemical peptizers are an important type of rubber peptizers. Through chemical action, they can effectively reduce the viscosity of rubber, improve the plasticizing effect, and reduce energy consumption.

[0003] The preparation method of the prior art thiophenol chemical peptizer generally comprises: 1. Select suitable thiophenol compounds as starting materials, such as 2-methyl-5-chlorobenzenethiol, etc.; prepare necessary reaction reagents and solvents, such as potassium formate, dilute hydrochloric acid, etc.

[0004] 2. Mix the starting materials and reaction reagents in a reactor and heat to an appropriate reaction temperature; and control the reaction time, temperature, stirring speed and other conditions to ensure that the reaction is complete and the target product is generated.

[0005] 3. After the reaction is completed, the pH value of the solution is adjusted by adding dilute hydrochloric acid to promote the precipitation and purification of the product.

[0006] 4. Separate the product from the reaction mixture by distillation, crystallization, etc.; further purify the product to improve its purity and quality.

[0007] The core equipment for preparing thiophenol chemical peptizers in the prior art is a reactor: the reactor usually has functions such as heating, stirring and temperature control to ensure that the reaction is carried out under appropriate conditions. However, the stirring method of the existing reactor for preparing thiophenol chemical peptizers is relatively simple, which cannot make the reaction raw materials mix quickly and evenly, and the heater of the existing reactor is generally arranged at the bottom, resulting in uneven temperature of the reaction raw materials. Summary of the invention

[0008] To solve the above technical problems, the present invention provides a method and equipment for preparing thiophenol chemical peptizers, which can mix and stir the mixed liquid, and can also heat the mixed liquid at the bottom, middle and circulating flow, so as to improve the preparation efficiency of the thiophenol chemical peptizers.

[0009] The invention discloses a preparation device for a thiophenol chemical peptizer, comprising a reaction tank, a main material pipe and a solvent pipe, wherein a reaction chamber is arranged inside the reaction tank; the device also comprises a shaft pipe, a mixing tank, a stirring rod, a driving shaft and a plurality of impellers, wherein the shaft pipe is vertically rotatably installed in the reaction chamber of the reaction tank, the lower end of the shaft pipe extends below the reaction tank, the upper end of the shaft pipe extends above the reaction tank, a plurality of liquid inlets are arranged on the lower side wall of the shaft pipe, a plurality of liquid outlets are arranged in the middle of the shaft pipe, a plurality of liquid adding ports are arranged on the upper side wall of the shaft pipe, and a driving mechanism for rotating the shaft pipe is arranged at the bottom of the reaction tank. The invention discloses a mixing tank, wherein heaters are arranged on the bottom of the reaction tank and the side wall of the shaft tube, the mixing tank is installed above the reaction tank, a cavity is arranged inside the mixing tank, the output ends of the main material pipe and the solvent pipe are extended into the bottom of the cavity of the mixing tank, the liquid filling port of the shaft tube is located at the bottom of the cavity of the mixing tank, a stirring rod is arranged at the lower part of the shaft tube, a driving shaft is arranged in the shaft tube for coaxial rotation, a transmission assembly is arranged at the lower end of the driving shaft and the shaft tube, the transmission assembly makes the driving shaft and the shaft tube rotate in opposite directions, and a plurality of impellers are arranged on the driving shaft; when working, solvent is added to the cavity of the mixing tank through the solvent tube. The solvent enters the shaft tube through the liquid adding port and is input into the reaction chamber of the reaction tank through the multiple liquid outlets. The starting raw materials are added into the cavity of the mixing tank through the main material pipe. The starting raw materials enter the shaft tube through the multiple liquid adding ports and are input into the reaction chamber of the reaction tank through the multiple liquid outlets. The heaters on the reaction tank and the shaft tube are turned on to heat the solvent and the starting raw materials. At the same time, the shaft tube of the driving mechanism rotates forward, and the shaft tube drives the stirring rod to stir the mixed liquid in the reaction chamber. At the same time, the shaft tube drives the driving shaft to rotate in the opposite direction through the transmission component, and the driving shaft drives the multiple impellers to rotate in the opposite direction, so that the mixed liquid at the bottom of the reaction chamber of the reaction tank enters the shaft tube through the liquid inlet and is transported upward and then flows back to the top of the mixed liquid through the multiple liquid outlets, so as to realize external stirring and circulating flow stirring from low to top, so that the reaction raw materials are quickly and evenly mixed. By installing heaters at the bottom of the reaction tank and on the shaft tube, the bottom and middle of the mixed liquid are heated, and the mixed liquid is also heated during the flow in the shaft tube, so as to make the temperature of the mixed reaction raw materials more uniform and improve the preparation efficiency of the thiophenol chemical peptizer.

[0010] Preferably, the transmission assembly includes a ring gear, multiple gear one and gear two, the ring gear is installed on the inner wall of the lower end of the shaft tube, the multiple gear one is rotatably installed on the bracket below the reaction tank, the multiple gear one is evenly arranged around the circumference of the drive shaft, the multiple gear one is meshed with the ring gear, the gear two is concentrically installed at the lower end of the drive shaft, and the gear two is meshed with the multiple gear one; when the driving mechanism drives the shaft tube to rotate forward, the shaft tube drives the ring gear to rotate in the opposite direction, the ring gear meshes to drive the multiple gear one to rotate forward, the multiple gear one meshes with the gear two to rotate in the opposite direction, and the gear two drives the drive shaft and the multiple impellers to rotate in one direction, so that the rotation directions of the drive shaft and the shaft tube are opposite, which has good practicality.

[0011] Preferably, it also includes a guide block, which is installed on the driving shaft, and the upper and lower parts of the guide block are both cones, and the guide block is located at the liquid outlet of the shaft tube; the lower cone of the guide block guides the mixed liquid transported upward by the shaft tube to the edge, and guides the mixed liquid out of the liquid outlet of the shaft tube; when the starting raw material and the solvent are added through the shaft tube, the upper cone of the guide block guides the starting raw material and the solvent to the edge, and guides the starting raw material and the solvent out of the liquid outlet of the shaft tube, thereby improving the stirring effect of the mixed liquid.

[0012] Preferably, it also includes multiple guide plates, which are installed on the lower outer wall of the shaft tube, and the multiple guide plates are respectively located on the sides of the multiple liquid inlets of the shaft tube, and the multiple guide plates guide the mixed liquid at the bottom of the reaction chamber of the reaction tank to the multiple liquid inlets; the shaft tube drives the multiple guide plates to rotate, and the multiple guide plates guide the mixed reaction solution at the bottom of the reaction chamber of the reaction tank to the liquid inlet of the shaft tube, thereby improving the circulation efficiency of the mixed liquid.

[0013] Preferably, it also includes a sieve basket, a cover plate, a bracket and a pressing assembly, a take-in and take-out port is arranged on the middle side wall of the reaction tank, a bracket is installed on the inner side of the take-in and take-out port, the sieve basket is placed on the bracket, the sieve basket is located below the liquid outlet of the shaft tube, a large number of sieve holes are arranged on the sieve basket, a cover plate is installed on the outer side wall of the sieve basket, the cover plate is located outside the reaction tank and seals the take-in and take-out port of the reaction tank, the pressing assembly is installed on the outer wall of the reaction tank, and the pressing assembly presses the cover plate on the outer wall of the reaction tank; in the preparation reaction stage of the thiophenol chemical peptizer, the mixed liquid output from the liquid outlet of the shaft tube enters the sieve basket, and the large number of sieve holes of the sieve basket evenly distribute the mixed liquid to the liquid surface of the mixed liquid, thereby improving the stirring efficiency; when the preparation reaction generates thiophenol chemical peptizer crystals, the sieve basket intercepts and collects the thiophenol chemical peptizer crystals generated by the reaction in the mixed liquid, and after the collection is completed, the pressing assembly is opened, and the sieve basket is taken out from the take-in and take-out port of the reaction tank along the bracket through the cover plate, thereby facilitating the collection of the thiophenol chemical peptizer crystals.

[0014] The outer end of the pressure rod is pulled downward so that the two slide grooves of the pressure rod drive the pressure block to move upward along the slide rail through the two pull shafts, so that the end of the pressure block extends out of the slide rail and presses the cover plate against the outer wall of the reaction tank; the outer end of the pressure rod is pulled downward so that the two slide grooves of the pressure rod drive the pressure block to move downward along the slide rail through the two pull shafts, so that the end of the pressure block is separated from the cover plate, thereby realizing the pressing and releasing of the cover plate, and the operation is simple and practical.

[0015] Preferably, it also includes a partition, which is installed in the middle of the cavity of the mixing tank, and the partition is located between the upper port of the shaft tube and the liquid adding port, and the air outlet is arranged on the top of the mixing tank; the partition divides the cavity of the mixing tank into an upper part and a lower part, the lower part is used for adding reaction raw materials, and the upper part is used for collecting flying waste gas and water vapor generated by the reaction, and the air outlet of the mixing tank is connected to the treatment system to facilitate the treatment of the waste gas and water vapor.

[0016] Preferably, it also includes impeller 2, which is mounted on the outer wall of the upper end of the shaft tube and is located above the partition; when the shaft tube rotates, impeller 2 is driven to rotate, and impeller 2 pushes the gas in the upper part of the cavity of the mixing tank upward, thereby promoting the discharge efficiency of exhaust gas and water vapor.

[0017] Preferably, it also includes a solvent box, a liquid replenishment pipe, a return air pipe and a condenser, a storage chamber is arranged inside the solvent box, a delivery pump is installed at the input end of the solvent pipe, the liquid inlet end of the delivery pump extends into the storage chamber of the solvent box, a liquid replenishment pipe is installed on the solvent box, the input end of the return air pipe is connected with the air outlet of the mixing tank, the output end of the return air pipe extends into the storage chamber of the solvent box, and the condenser is installed in the middle of the return air pipe; a mixed liquid of the solvent and the reaction reagent is delivered to the storage chamber of the solvent box through the liquid replenishment pipe, and the delivery pump delivers excess reaction reagent from the mixed liquid to the reaction tank through the solvent pipe, so that the waste gas is the remaining reaction reagent vapor, and the reaction reagent vapor and water vapor in the upper part of the cavity of the mixing tank are delivered to the solvent box through the return air pipe under the driving action of impeller 2, and the waste gas and water vapor are condensed and liquefied when passing through the condenser, and the liquefied reaction reagent and water flow back to the solvent box through the return air pipe, thereby realizing the treatment of the waste gas.

[0018] A method for preparing a thiophenol chemical peptizer of the present invention comprises: S1. Adding excess solvent into the cavity of the mixing tank through the solvent tube, the solvent enters the shaft tube through the liquid adding port and is input into the reaction chamber of the reaction tank through multiple liquid outlets, adding starting materials into the cavity of the mixing tank through the main material tube, the starting materials enter the shaft tube through multiple liquid adding ports and are input into the reaction chamber of the reaction tank through multiple liquid outlets, and the heaters on the reaction tank and the shaft tube are turned on to heat the solvent and the starting materials; S2, the driving shaft tube rotates forward so that the stirring rod stirs the mixed liquid in the reaction chamber, and the driving shaft rotates in the reverse direction at the same time, and the driving shaft drives the multiple impellers to rotate in the reverse direction, so that the mixed liquid at the bottom of the reaction chamber of the reaction tank is transported upward through the shaft tube and then flows back to the top of the mixed liquid through multiple liquid outlets, realizing external stirring and circulating flow stirring from bottom to top, so that the reaction raw materials are quickly and evenly mixed; S3, the heater installed on the shaft tube heats the mixed liquid flowing in the shaft tube, and cooperates with the heater at the bottom of the reaction tank to make the temperature of the reaction raw materials uniform; S4. The waste gas and water vapor generated by the reaction enter the shaft tube through the liquid outlet and are input into the upper part of the cavity of the mixing tank through the upper port. The waste gas is the remaining reaction reagent steam. The reaction reagent steam and water vapor in the upper part of the cavity of the mixing tank are transported to the solvent tank through the return pipe. When the waste gas and water vapor pass through the condenser, they are condensed and liquefied. The liquefied reaction reagent and water flow back into the solvent tank through the return pipe to achieve the treatment of the waste gas. S5. After the reaction is completed, the heaters on the reaction tank and the shaft tube increase the power to evaporate the water quickly, so that the thiophenol chemical peptizer crystallizes and precipitates; S6. During the circulation of the mixed liquid, the sieve basket intercepts and collects the thiophenol chemical peptizer crystals in the mixed liquid. After the collection is completed, the pressing assembly is opened, and the sieve basket is taken out from the access port of the reaction tank along the bracket through the cover plate to facilitate the collection of the thiophenol chemical peptizer crystals; S7. The residual liquid in the reaction chamber of the reaction tank is discharged through the bottom residual discharge pipe.

[0019] Compared with the prior art, the present invention has the following beneficial effects: 1. During operation, a solvent is added to the cavity of the mixing tank through a solvent tube, the solvent enters the shaft tube through a liquid adding port and is input into the reaction chamber of the reaction tank through multiple liquid outlets, a starting material is added to the cavity of the mixing tank through a main material tube, the starting material enters the shaft tube through multiple liquid adding ports and is input into the reaction chamber of the reaction tank through multiple liquid outlets, the heaters on the reaction tank and the shaft tube are turned on to heat the solvent and the starting material, and at the same time, the shaft tube of the driving mechanism rotates forward, the shaft tube drives the stirring rod to stir the mixed liquid in the reaction chamber, and at the same time, the shaft tube drives the driving shaft to rotate in the opposite direction through a transmission assembly, and the driving shaft drives multiple impellers to rotate in the opposite direction, so that the mixed liquid at the bottom of the reaction chamber of the reaction tank enters the shaft tube through the liquid inlet and is transported upward, and then flows back to the top of the mixed liquid through multiple liquid outlets, so as to realize external stirring and circulating flow stirring from bottom to top, so that the reaction materials are quickly and evenly mixed; 2. By installing heaters at the bottom of the reaction tank and on the shaft tube, the bottom and middle of the mixed liquid are heated, and the mixed liquid is also heated during the flow in the shaft tube, so that the temperature of the mixed reaction raw materials is made more uniform, thereby improving the preparation efficiency of the thiophenol chemical peptizer. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a front cross-sectional structural schematic diagram of the present invention; Figure 3 It is a schematic diagram of the axonometric structure of the present invention; Figure 4 It is a schematic diagram of the axonometric structure of the present invention when viewed from above; Figure 5It is a structural schematic diagram of the shaft tube, guide plate, screen basket, cover plate and clamping assembly; Figure 6 yes Figure 1 A schematic diagram of the local enlarged structure at point A in the middle; Figure 7 It is a schematic diagram of the structure of the shaft tube, stirring rod, driving shaft, impeller 1, gear ring, gear 1 and gear 2 in the exploded state; Figure 8 It is a schematic diagram of the structure of the screen basket, cover plate and clamping assembly; Fig. 9 It is a schematic diagram of the structure of the shaft tube, mixing tank, stirring rod, partition and impeller; Fig.10 It is a schematic diagram of the structure including solvent pipe, solvent tank, liquid replenishment pipe, gas return pipe and condenser.

[0021] Markings in the attached figure: 1. reaction tank; 2. main material pipe; 3. solvent pipe; 4. shaft pipe; 5. mixing tank; 6. stirring rod; 7. driving shaft; 8. impeller 1; 9. ring gear; 10. gear 1; 11. gear 2; 12. guide plate; 13. screen basket; 14. cover plate; 15. bracket; 16. slide rail; 17. pressure block; 18. dial shaft; 19. pressure rod; 20. partition; 21. impeller 2; 22. solvent tank; 23. liquid replenishment pipe; 24. return air pipe; 25. condenser; 26. guide block. DETAILED DESCRIPTION

[0022] In order to facilitate understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive. Example 1

[0023] like Figures 1 to 7As shown, a preparation device for a thiophenol chemical peptizer comprises a reaction tank 1, a main material pipe 2 and a solvent pipe 3, wherein a reaction chamber is arranged inside the reaction tank 1; and further comprises a shaft pipe 4, a mixing tank 5, a stirring rod 6, a driving shaft 7 and a plurality of impellers 8, wherein the shaft pipe 4 is vertically rotatably installed in the reaction chamber of the reaction tank 1, wherein the lower end of the shaft pipe 4 extends out from below the reaction tank 1, and the upper end of the shaft pipe 4 extends out from above the reaction tank 1, wherein a plurality of liquid inlets are arranged on the lower side wall of the shaft pipe 4, and a plurality of liquid outlets are arranged in the middle of the shaft pipe 4, A plurality of liquid adding ports are arranged on the upper side wall of the shaft tube 4, a driving mechanism for rotating the shaft tube 4 is arranged on the bottom of the reaction tank 1, a heater is arranged on the bottom of the reaction tank 1 and the side wall of the shaft tube 4, a mixing tank 5 is installed above the reaction tank 1, a cavity is arranged inside the mixing tank 5, the output ends of the main material pipe 2 and the solvent pipe 3 are both extended into the bottom of the cavity of the mixing tank 5, the liquid adding port of the shaft tube 4 is located at the bottom of the cavity of the mixing tank 5, a stirring rod 6 is installed at the lower part of the shaft tube 4, a driving shaft 7 is coaxially rotatably installed in the shaft tube 4, and the driving shaft The lower end of 7 and the shaft tube 4 are provided with a transmission assembly, and the transmission assembly makes the rotation directions of the drive shaft 7 and the shaft tube 4 opposite, and multiple impellers 8 are installed on the drive shaft 7; the transmission assembly includes a gear ring 9, multiple gears 10 and a gear 2 11, the gear ring 9 is installed on the inner wall of the lower end of the shaft tube 4, and multiple gears 10 are rotatably installed on the bracket below the reaction tank 1, and multiple gears 10 are evenly arranged around the circumference of the drive shaft 7, and multiple gears 10 are meshed with the gear ring 9, and the gear 2 11 is concentrically installed on the drive shaft 7. At the lower end, gear 2 11 is meshed with multiple gears 10; it also includes a guide block 26, which is installed on the drive shaft 7, and the upper and lower parts of the guide block 26 are both cones. The guide block 26 is located at the liquid outlet of the shaft tube 4; it also includes multiple guide plates 12, which are installed on the lower outer wall of the shaft tube 4, and the multiple guide plates 12 are respectively located on the sides of the multiple liquid inlets of the shaft tube 4. The multiple guide plates 12 guide the mixed liquid at the bottom of the reaction chamber of the reaction tank 1 to the multiple liquid inlets.

[0024] During operation, solvent is added to the cavity of the mixing tank 5 through the solvent tube 3, the solvent enters the shaft tube 4 through the liquid adding port and is input into the reaction chamber of the reaction tank 1 through multiple liquid outlets, starting raw materials are added to the cavity of the mixing tank 5 through the main material tube 2, the starting raw materials enter the shaft tube 4 through multiple liquid adding ports and are input into the reaction chamber of the reaction tank 1 through multiple liquid outlets, the upper cone of the guide block 26 guides the starting raw materials and the solvent to the edge, guides the starting raw materials and the solvent out of the liquid outlet of the shaft tube 4, the heaters on the reaction tank 1 and the shaft tube 4 are turned on to heat the solvent and the starting raw materials, and at the same time, the shaft tube 4 of the driving mechanism rotates forward, the shaft tube 4 drives the stirring rod 6 to stir the mixed liquid in the reaction chamber, and at the same time, the shaft tube 4 drives the gear ring 9 to turn and rotate, the gear ring 9 engages to drive multiple gears 10 to rotate forward, multiple gears 10 engage gear 2 11 to rotate reversely, and gear 2 11 drives the drive shaft 7 and multiple impellers 8 to rotate in the opposite direction. The drive shaft 7 rotates in the opposite direction to the shaft tube 4, so that the rotation directions of the drive shaft 7 and the shaft tube 4 are opposite, the drive shaft 7 drives the multiple impellers 8 to rotate in the opposite direction, the shaft tube 4 drives the multiple guide plates 12 to rotate, and the multiple guide plates 12 guide the mixed reaction solution at the bottom of the reaction chamber of the reaction tank 1 to the liquid inlet of the shaft tube 4, so that the mixed solution at the bottom of the reaction chamber of the reaction tank 1 enters the shaft tube 4 through the liquid inlet and is transported upward, the lower cone of the guide block 26 guides the mixed solution transported upward by the shaft tube 4 to the edge, and guides the mixed solution out of the liquid outlet of the shaft tube 4 and flows back to the top of the mixed solution, so as to realize external stirring and circulating flow stirring from low to high, so that the reaction raw materials are quickly and evenly mixed, and heaters are installed on the bottom of the reaction tank 1 and the shaft tube 4, so as to heat the bottom and middle of the mixed solution, and the mixed solution is also heated during the flow in the shaft tube 4, so as to make the temperature of the mixed reaction raw materials more uniform, and improve the preparation efficiency of the thiophenol chemical peptizer. Example 2

[0025] like Figures 1 to 3 , Figure 5 and Figure 8As shown, on the basis of Example 1, it also includes a sieve basket 13, a cover plate 14, a bracket 15 and a pressing assembly. A take-in and take-out port is arranged on the middle side wall of the reaction tank 1, and the bracket 15 is installed on the inner side of the take-in and take-out port. The sieve basket 13 is placed on the bracket 15, and the sieve basket 13 is located below the liquid outlet of the shaft tube 4. A large number of sieve holes are arranged on the sieve basket 13. The cover plate 14 is installed on the outer wall of the sieve basket 13, and the cover plate 14 is located outside the reaction tank 1 and seals the take-in and take-out port of the reaction tank 1. The pressing assembly is installed on the outer wall of the reaction tank 1, and the pressing assembly presses the cover plate 14 On the outer wall of the reaction tank 1; the clamping assembly includes a slide rail 16, a pressure block 17, two shift shafts 18 and a pressure rod 19, the slide rail 16 is installed on the outer wall of the reaction tank 1, the pressure block 17 is slidably installed on the slide rail 16, the end of the pressure block 17 presses the cover plate 14 on the outer wall of the reaction tank 1, the two shift shafts 18 are respectively installed on the left and right sides of the pressure block 17 for relative rotation, the inner end of the pressure rod 19 is rotatably connected to the side wall of the reaction tank 1, the pressure rod 19 is provided with two slide grooves, and the two shift shafts 18 are respectively rollingly installed in the two slide grooves of the pressure rod 19.

[0026] During the reaction stage of preparing the thiophenol chemical peptizer, the outer end of the pressure rod 19 is pulled upward, so that the two slide grooves of the pressure rod 19 drive the pressing block 17 to move upward along the slide rail 16 through the two shifting shafts 18, so that the end of the pressing block 17 extends out of the slide rail 16 and presses the cover plate 14 against the outer wall of the reaction tank 1, and the mixed liquid output from the liquid outlet of the shaft tube 4 enters the screen basket 13, and the large number of screen holes of the screen basket 13 evenly distribute the mixed liquid to the liquid surface of the mixed liquid, thereby improving the stirring efficiency; when the thiophenol chemical peptizer crystals are generated by the preparation reaction, the screen basket 13 intercepts and collects the thiophenol chemical peptizer crystals generated by the reaction in the mixed liquid, and after the collection is completed, the outer end of the pressure rod 19 is pulled downward, so that the two slide grooves of the pressure rod 19 drive the pressing block 17 to move downward along the slide rail 16 through the two shifting shafts 18, so that the end of the pressing block 17 is separated from the cover plate 14, and the screen basket 13 is taken out from the access port of the reaction tank 1 along the bracket 15 through the cover plate 14, so as to facilitate the collection of the thiophenol chemical peptizer crystals. Example 3

[0027] like Figures 1 to 4 , Fig. 9 and Fig.10As shown, on the basis of Example 1, it also includes a partition 20, which is installed in the middle of the cavity of the mixing tank 5, the partition 20 is located between the upper port of the shaft tube 4 and the liquid filling port, and the air outlet is arranged on the top of the mixing tank 5; it also includes an impeller 21, the impeller 21 is installed on the upper end outer wall of the shaft tube 4, and the impeller 21 is located above the partition 20; it also includes a solvent tank 22, a liquid replenishment pipe 23, a return air pipe 24 and a condenser 25, a storage chamber is arranged inside the solvent tank 22, a delivery pump is installed at the input end of the solvent pipe 3, the liquid inlet end of the delivery pump extends into the storage chamber of the solvent tank 22, a liquid replenishment pipe 23 is installed on the solvent tank 22, the input end of the return air pipe 24 is connected to the air outlet of the mixing tank 5, the output end of the return air pipe 24 extends into the storage chamber of the solvent tank 22, and the condenser 25 is installed in the middle of the return air pipe 24.

[0028] The partition 20 divides the cavity of the mixing tank 5 into an upper part and a lower part. The lower part is used for adding reaction raw materials, and the upper part is used for collecting the flying waste gas and water vapor generated by the reaction. When the shaft tube 4 rotates, it drives the impeller 21 to rotate. The impeller 21 pushes the gas in the upper part of the cavity of the mixing tank 5 upward to promote the discharge efficiency of the waste gas and water vapor. The mixed liquid of the solvent and the reaction reagent is transported to the storage chamber of the solvent box 22 through the replenishing pipe 23. The delivery pump transports the excess reaction reagent from the mixed liquid to the reaction tank 1 through the solvent pipe 3, so that the waste gas is the remaining reaction reagent steam. The reaction reagent steam and water vapor in the upper part of the cavity of the mixing tank 5 are transported to the solvent box 22 through the return pipe 24 under the driving action of the impeller 21. When the waste gas and water vapor pass through the condenser 25, they are condensed and liquefied. The liquefied reaction reagent and water flow back to the solvent box 22 through the return pipe 24 to achieve the treatment of the waste gas.

[0029] like Figures 1 to 10 As shown, a method for preparing a thiophenol chemical peptizer of the present invention comprises: S1, adding excess solvent to the cavity of the mixing tank 5 through the solvent tube 3, the solvent enters the shaft tube 4 through the liquid adding port and is input into the reaction chamber of the reaction tank 1 through multiple liquid outlets, adding starting materials to the cavity of the mixing tank 5 through the main material tube 2, the starting materials enter the shaft tube 4 through multiple liquid adding ports and are input into the reaction chamber of the reaction tank 1 through multiple liquid outlets, and the heaters on the reaction tank 1 and the shaft tube 4 are turned on to heat the solvent and the starting materials; S2, the drive shaft tube 4 rotates forward to make the stirring rod 6 stir the mixed liquid in the reaction chamber, and the drive shaft 7 rotates in the opposite direction, and the drive shaft 7 drives the multiple impellers 8 to rotate in the opposite direction, so that the mixed liquid at the bottom of the reaction chamber of the reaction tank 1 is transported upward through the shaft tube 4 and then flows back to the top of the mixed liquid through the multiple liquid outlets, realizing external stirring and circulating flow stirring from bottom to top, so that the reaction raw materials are quickly and evenly mixed; S3, the heater installed on the shaft tube 4 heats the mixed liquid flowing in the shaft tube 4, and cooperates with the heater at the bottom of the reaction tank 1 to make the temperature of the reaction raw materials uniform; S4, the waste gas and water vapor generated by the reaction enter the shaft tube 4 through the liquid outlet and are input into the upper part of the cavity of the mixing tank 5 through the upper port. The waste gas is the remaining reaction reagent steam. The reaction reagent steam and water vapor in the upper part of the cavity of the mixing tank 5 are transported to the solvent tank 22 through the return pipe 24. When the waste gas and water vapor pass through the condenser 25, they are condensed and liquefied. The liquefied reaction reagent and water flow back into the solvent tank 22 through the return pipe 24 to achieve the treatment of the waste gas; S5. After the reaction is completed, the heaters on the reaction tank 1 and the shaft tube 4 increase the power to evaporate the water quickly, so that the thiophenol chemical peptizer crystallizes and precipitates; S6. During the circulation of the mixed solution, the screen basket 13 intercepts and collects the thiophenol chemical peptizer crystals in the mixed solution. After the collection is completed, the pressing assembly is opened, and the screen basket 13 is taken out from the access port of the reaction tank 1 along the bracket 15 through the cover plate 14 to facilitate the collection of the thiophenol chemical peptizer crystals. S7. The residual liquid in the reaction chamber of the reaction tank 1 is discharged through the bottom residual discharge pipe.

[0030] The main functions achieved by the present invention are: 1. Use external stirring and circulating flow stirring from low to high to make the reaction materials mix quickly and evenly; 2. It can heat the mixed liquid at the bottom, in the middle and in the circulating flow to improve the preparation efficiency of thiophenol chemical peptizer; 3. It can distill and crystallize thiophenol chemical peptizers, separate and take out the crystals, and improve work efficiency; 4. Ability to recycle waste gas and water vapor for reuse.

[0031] The preparation method and equipment of a thiophenol chemical peptizer of the present invention are installed, connected or set in common mechanical ways, and can be implemented as long as the beneficial effects can be achieved; the reaction tank 1, main material pipe 2, solvent pipe 3, stirring rod 6, driving shaft 7, impeller 1 8, gear ring 9, gear 1 10, gear 2 11, screen basket 13, slide rail 16, dial shaft 18, impeller 2 21, solvent box 22, and condenser 25 of the preparation method and equipment of a thiophenol chemical peptizer of the present invention are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for creative labor by technicians in this field.

[0032] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A preparation device for a thiophenol chemical peptizer, comprising a reaction tank (1), a main material pipe (2) and a solvent pipe (3), wherein a reaction chamber is arranged inside the reaction tank (1); characterized in that: The invention also comprises a shaft tube (4), a mixing tank (5), a stirring rod (6), a driving shaft (7) and a plurality of impellers (8); the shaft tube (4) is vertically rotatably mounted in a reaction chamber of a reaction tank (1); the lower end of the shaft tube (4) extends below the reaction tank (1); the upper end of the shaft tube (4) extends above the reaction tank (1); a plurality of liquid inlets are arranged on the lower side wall of the shaft tube (4); a plurality of liquid outlets are arranged in the middle of the shaft tube (4); a plurality of liquid adding ports are arranged on the upper side wall of the shaft tube (4); a driving mechanism for rotating the shaft tube (4) is arranged at the bottom of the reaction tank (1); the bottom of the reaction tank (1) and the side of the shaft tube (4) are connected to each other. A heater is arranged on the wall, a mixing tank (5) is arranged above the reaction tank (1), a cavity is arranged inside the mixing tank (5), the output ends of the main material pipe (2) and the solvent pipe (3) both extend into the bottom of the cavity of the mixing tank (5), a liquid filling port of the shaft pipe (4) is located at the bottom of the cavity of the mixing tank (5), a stirring rod (6) is arranged at the lower part of the shaft pipe (4), a driving shaft (7) is arranged in the shaft pipe (4) for coaxial rotation, a transmission assembly is arranged at the lower end of the driving shaft (7) and the shaft pipe (4), the transmission assembly makes the driving shaft (7) and the shaft pipe (4) rotate in opposite directions, and a plurality of impellers (8) are arranged on the driving shaft (7).

2. The preparation equipment of a thiophenol chemical peptizer according to claim 1, characterized in that: The transmission assembly comprises a gear ring (9), a plurality of gears one (10) and a gear two (11); the gear ring (9) is mounted on the inner wall of the lower end of the shaft tube (4); the plurality of gears one (10) are rotatably mounted on a bracket below the reaction tank (1); the plurality of gears one (10) are evenly arranged around the circumference of the drive shaft (7); the plurality of gears one (10) mesh with the gear ring (9); the gear two (11) is concentrically mounted on the lower end of the drive shaft (7); the gear two (11) meshes with the plurality of gears one (10).

3. The preparation equipment of a thiophenol chemical peptizer according to claim 1, characterized in that: It also includes a guide block (26), which is mounted on the drive shaft (7), the upper and lower parts of the guide block (26) are both cones, and the guide block (26) is located at the liquid outlet of the shaft tube (4).

4. The preparation equipment of a thiophenol chemical peptizer according to claim 1, characterized in that: It also includes a plurality of guide plates (12), the plurality of guide plates (12) being mounted on the lower outer wall of the shaft tube (4), the plurality of guide plates (12) being respectively located on the sides of the plurality of liquid inlets of the shaft tube (4), and the plurality of guide plates (12) guiding the mixed liquid at the bottom of the reaction chamber of the reaction tank (1) toward the plurality of liquid inlets.

5. The preparation equipment of a thiophenol chemical peptizer according to claim 1, characterized in that: The invention also comprises a sieve basket (13), a cover plate (14), a bracket (15) and a pressing assembly. A take-in and take-out opening is arranged on the middle side wall of the reaction tank (1). The bracket (15) is installed on the inner side of the take-in and take-out opening. The sieve basket (13) is placed on the bracket (15). The sieve basket (13) is located below the liquid outlet of the shaft tube (4). The sieve basket (13) is provided with a large number of sieve holes. The cover plate (14) is installed on the outer side wall of the sieve basket (13). The cover plate (14) is located outside the reaction tank (1) and seals the take-in and take-out opening of the reaction tank (1). The pressing assembly is installed on the outer wall of the reaction tank (1). The pressing assembly presses the cover plate (14) against the outer wall of the reaction tank (1).

6. The preparation equipment of a thiophenol chemical peptizer according to claim 5, characterized in that: The pressing assembly comprises a slide rail (16), a pressing block (17), two shifting shafts (18) and a pressing rod (19); the slide rail (16) is mounted on the outer wall of the reaction tank (1); the pressing block (17) is slidably mounted on the slide rail (16); the end of the pressing block (17) presses the cover plate (14) against the outer wall of the reaction tank (1); the two shifting shafts (18) are respectively mounted on the left and right sides of the pressing block (17) for relative rotation; the inner end of the pressing rod (19) is rotatably connected to the side wall of the reaction tank (1); the pressing rod (19) is provided with two slide grooves; the two shifting shafts (18) are respectively rollingly mounted in the two slide grooves of the pressing rod (19).

7. The preparation equipment of a thiophenol chemical peptizer according to claim 5, characterized in that: It also includes a partition plate (20), which is installed in the middle of the cavity of the mixing tank (5), and the partition plate (20) is located between the upper end of the shaft tube (4) and the liquid adding port, and the top of the mixing tank (5) is provided with an air outlet.

8. The preparation equipment of a thiophenol chemical peptizer according to claim 7, characterized in that: It also includes a second impeller (21), which is mounted on the outer wall of the upper end of the shaft tube (4), and the second impeller (21) is located above the partition plate (20).

9. The preparation equipment of a thiophenol chemical peptizer according to claim 7, characterized in that: The invention also comprises a solvent box (22), a liquid replenishing pipe (23), a gas return pipe (24) and a condenser (25); a storage chamber is arranged inside the solvent box (22); a delivery pump is installed at the input end of the solvent pipe (3); the liquid inlet end of the delivery pump extends into the storage chamber of the solvent box (22); the liquid replenishing pipe (23) is installed on the solvent box (22); the input end of the gas return pipe (24) is connected to the gas outlet of the mixing tank (5); the output end of the gas return pipe (24) extends into the storage chamber of the solvent box (22); and the condenser (25) is installed in the middle of the gas return pipe (24).

10. A method for preparing a thiophenol chemical peptizer based on the preparation equipment for a thiophenol chemical peptizer according to claim 9, characterized in that: include: S1, adding an excess solvent into the cavity of the mixing tank (5) through the solvent tube (3), the solvent enters the shaft tube (4) through the liquid adding port and is input into the reaction chamber of the reaction tank (1) through the multiple liquid outlets, adding starting materials into the cavity of the mixing tank (5) through the main material tube (2), the starting materials enter the shaft tube (4) through the multiple liquid adding ports and are input into the reaction chamber of the reaction tank (1) through the multiple liquid outlets, and the heaters on the reaction tank (1) and the shaft tube (4) are turned on to heat the solvent and the starting materials; S2, the driving shaft tube (4) rotates forward so that the stirring rod (6) stirs the mixed liquid in the reaction chamber, and at the same time the driving shaft (7) rotates reversely, and the driving shaft (7) drives the plurality of impellers (8) to rotate reversely, so that the mixed liquid at the bottom of the reaction chamber of the reaction tank (1) is transported upward through the shaft tube (4) and then flows back to the top of the mixed liquid through the plurality of liquid outlets, thereby realizing external stirring and circulating flow stirring from bottom to top, so that the reaction raw materials are quickly and evenly mixed; S3, a heater installed on the shaft tube (4) heats the mixed liquid flowing in the shaft tube (4), and cooperates with the heater at the bottom of the reaction tank (1) to make the temperature of the reaction raw materials uniform; S4, the waste gas and water vapor generated by the reaction enter the shaft tube (4) through the liquid outlet and are input into the upper part of the cavity of the mixing tank (5) through the upper port. The waste gas is the remaining reaction reagent vapor. The reaction reagent vapor and water vapor in the upper part of the cavity of the mixing tank (5) are transported to the solvent tank (22) through the return pipe (24). When the waste gas and water vapor pass through the condenser (25), they are condensed and liquefied. The liquefied reaction reagent and water flow back into the solvent tank (22) through the return pipe (24), thereby achieving the treatment of the waste gas; S5. After the reaction is completed, the heaters on the reaction tank (1) and the shaft tube (4) are increased in power to evaporate the water quickly, so that the thiophenol chemical peptizer crystallizes and precipitates; S6. During the circulation of the mixed liquid, the sieve basket (13) intercepts and collects the thiophenol chemical peptizer crystals in the mixed liquid. After the collection is completed, the pressing assembly is opened, and the sieve basket (13) is taken out from the access port of the reaction tank (1) along the bracket (15) through the cover plate (14), so as to facilitate the collection of the thiophenol chemical peptizer crystals; S7. The residual liquid in the reaction chamber of the reaction tank (1) is discharged through the bottom residual discharge pipe.

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