CN114180662A

CN114180662A - Wastewater distillation process in dicumyl peroxide production process

Info

Publication number: CN114180662A
Application number: CN202111669436.6A
Authority: CN
Inventors: 顾亮; 陈金贵; 阎洛成; 龚荣荣; 陆伟东; 杨洁
Original assignee: Jiangsu Daoming Chemical Co ltd
Current assignee: Jiangsu Daoming Chemical Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-03-15
Anticipated expiration: 2041-12-30
Also published as: CN114180662B

Abstract

The invention discloses a wastewater distillation process in a dicumyl peroxide production process, which is realized based on a distillation still, the distillation still comprises a still body, a transmission box is arranged at the top of the still body, a motor is arranged at the top of the transmission box, a material feeding pipe is arranged on the still body, a condensation box is communicated and arranged at the top of the still body, an output shaft of the motor is in driving connection with a driving shaft, a plurality of blades II are fixed on the side wall of the driving shaft, a rotating sleeve is sleeved on the driving shaft, a driving assembly for driving the driving shaft and the rotating sleeve to rotate reversely is arranged in the transmission box, and a turbulence assembly is arranged on the rotating sleeve; according to the invention, the rotating sleeve is arranged to rotate to drive the rotating frame to rotate, the rotating frame drives the stirring shaft and the blades II thereon to rotate to stir materials in the kettle body, the driving shaft can drive the blades II to rotate in the reverse direction, so that the materials are stirred sufficiently, and the distillation process of the materials is efficient and sufficient.

Description

Wastewater distillation process in dicumyl peroxide production process

Technical Field

The invention relates to the technical field of distillation kettles, in particular to a wastewater distillation process in a dicumyl peroxide production process.

Background

Dicumyl peroxide, also known as a vulcanizing agent and dicumyl peroxide, is an organic compound which is white crystalline powder, is stable at room temperature, gradually turns yellowish when exposed to light, is insoluble in water, is soluble in benzene, cumene, diethyl ether and petroleum ether, is slightly soluble in ethanol, is a strong oxidant, and can be used as an initiator for monomer polymerization, a vulcanizing agent, a crosslinking agent, a curing agent, a flame-retardant additive and the like of a high-molecular material.

A distillation still relates to a still used for distillation in chemical production. The device is mainly designed for solving the problem that the existing distillation still needs to be intermittently overhauled and cleaned when materials contain solid substances and high-boiling-point substances in the production process, and partial waste liquid generated in the production process of dicumyl peroxide can be extracted and recovered by a distillation device.

Although patent with application publication number CN 107673432 a discloses a chemical wastewater distillation kettle containing wall-sticking materials, the chemical wastewater distillation kettle comprises a kettle body, a top cover and a stirring mechanism arranged in the kettle body in a matching manner, a scraping plate for wall hanging is arranged on the stirring mechanism, and an accommodating groove is arranged on the inner surface of the kettle body and/or the stirring mechanism and is used for accommodating wall-sticking materials generated by wall scraping; however, in the using process of the device, the wastewater cannot be fully stirred, so that the heating efficiency of the wastewater is low, and the extract cannot be fully heated and distilled, therefore, a wastewater distillation process in the dicumyl peroxide production process is provided to solve the technical problems.

Disclosure of Invention

The invention aims to provide a wastewater distillation process in a dicumyl peroxide production process, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a waste water distillation process in a dicumyl peroxide production process comprises a kettle body, wherein a transmission case is installed at the top of the kettle body, a motor is installed at the top of the transmission case, a material feeding pipe is installed on the kettle body, a plurality of annular pipes which are arranged in parallel are fixed inside the kettle body, adjacent annular pipes are communicated through a communicating pipe, a heat medium feeding pipe and a heat medium discharging pipe which extend to the outside of the kettle body are fixed on the annular pipes, a condensation box is installed at the top of the kettle body in a communicating mode, an output shaft of the motor is connected with a driving shaft in a driving mode, a plurality of blades II are fixed on the side wall of the driving shaft, a rotating sleeve is sleeved on the driving shaft, a driving assembly for driving the driving shaft and the rotating sleeve to rotate reversely is installed in the transmission case, and a turbulence assembly is installed on the rotating sleeve; the turbulence assembly comprises a rotating frame fixed on the rotating sleeve, a stirring shaft is rotatably arranged on the rotating frame, and a plurality of blades I are fixed on the side wall of the stirring shaft; the driving assembly also comprises a belt pulley mechanism, and the driven shaft is in transmission connection with the rotating sleeve through the belt pulley mechanism;

the process specifically comprises the following steps: the rotary sleeve (16) is arranged to rotate to drive the rotary frame (11) to rotate, the rotary frame (11) drives the stirring shaft (18) and the blades II (21) on the stirring shaft to rotate to stir the materials in the kettle body (1), the driving shaft (20) can drive the blades II (21) to rotate in the reverse direction, so that the materials are stirred sufficiently, and the distillation process of the materials is efficient and sufficient; inside a plurality of snakelike refrigerant pipe (23) of condensation case (6) can flow cold media, realizes carrying out abundant contact to the extract in condensation case (6), promotes the rapid condensation of extract, and the hot media in multiunit ring canal (12) flows from bottom to top, realizes having high-efficient heating to the interior material of cauldron body (1), realizes going on fast of material distillation, condensing process.

As a modified scheme of the invention: the drive assembly comprises a driven shaft which is rotatably arranged on the transmission case, the driven shaft is coaxially connected with a gear I, and the rotating sleeve is coaxially connected with a gear II.

As a modified scheme of the invention: the condensation discharging pipe is installed in the lateral wall intercommunication of condensing box, and condensing box internally mounted has the condensation subassembly.

As a modified scheme of the invention: the condensing assembly comprises a plurality of snakelike refrigerant pipes in the condensing box, a liquid collecting pipe and a liquid collecting pipe II are installed on the side wall of the condensing box, the inlet end of each snakelike refrigerant pipe is communicated with the liquid collecting pipe II, the outlet end of each snakelike refrigerant pipe is communicated with the liquid collecting pipe I, a refrigerant discharging pipe is installed on each liquid collecting pipe, and a refrigerant feeding pipe is installed on each liquid collecting pipe II.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the rotating sleeve is arranged to rotate to drive the rotating frame to rotate, the rotating frame drives the stirring shaft and the blades II thereon to rotate to stir materials in the kettle body, the driving shaft can drive the blades II to rotate in the reverse direction, so that the materials are stirred sufficiently, and the distillation process of the materials is efficient and sufficient.

2. According to the invention, the plurality of serpentine refrigerant pipes arranged in the condenser box can flow the cold media, so that the extracts in the condenser box are fully contacted, the rapid condensation of the extracts is promoted, the heat media in the plurality of groups of circular pipes flow from bottom to top, the materials in the kettle body are efficiently heated, the rapid proceeding of the distillation and condensation processes of the materials is realized, and the extraction efficiency of the wastewater extracts in the dicumyl peroxide production process is greatly improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the present invention shown in FIG. 1 with the condensate tank removed;

FIG. 4 is a schematic view of a portion of the structure of FIG. 2 according to the present invention;

FIG. 5 is a schematic view of the present invention in partial cutaway;

FIG. 6 is an enlarged view of portion A of FIG. 5 according to the present invention.

In the figure: 1-kettle body; 2-heating medium feeding pipe; 3-material feeding pipe; 4-condensation discharge pipe; 5-a liquid collecting pipe I; 6-a condenser box; 7-a motor; 8-a transmission case; 9-a heating medium discharge pipe; 10-communicating tube; 11-a rotating frame; 12-a loop pipe; 13-gear I; 14-a pulley mechanism; 15-a driven shaft; 16-rotating the sleeve; 17-gear II; 18-a stirring shaft; 19-leaf I; 20-a drive shaft; 21-leaf II; 22-refrigerant feeding pipe; 23-serpentine refrigerant pipe; 24-refrigerant discharge pipe; 25-liquid collecting pipe II.

Detailed Description

The technical scheme of the patent is further described in detail by combining the following specific embodiments:

example 1

Referring to fig. 1-6, a wastewater distillation process in dicumyl peroxide production process is realized based on a distillation still, the distillation still comprises a still body 1, a transmission case 8 is installed on the top of the still body 1, a motor 7 is installed on the top of the transmission case 8, a material feeding pipe 3 is installed on the still body 1, a plurality of parallel circular pipes 12 are fixed inside the still body 1, adjacent circular pipes 12 are communicated through a communicating pipe 10, a heat medium feeding pipe 2 and a heat medium discharging pipe 9 extending to the outside of the still body 1 are fixed on the circular pipes 12, and a condensation box 6 is installed on the top of the still body 1 in a communicating manner.

Can inject the waste water of oxidation diisopropylbenzene production process into through material inlet pipe 3 in to cauldron body 1, from heat medium inlet pipe 2 to the inside hot medium of injecting into of ring canal 12, the heat medium flows between each ring canal 12 through communicating pipe 10, the realization heats the distillation to ring canal 12 and communicating pipe 10 to the waste water material of cauldron body 1 inside, volatile extract enters into the condensing box 6 in and condenses, makes things convenient for the liquefaction of extract to collect.

In the device, an output shaft of a motor 7 is in driving connection with a driving shaft 20, a plurality of blades II21 are fixed on the side wall of the driving shaft 20, a rotating sleeve 16 is sleeved on the driving shaft 20, a driving assembly used for driving the driving shaft 20 and the rotating sleeve 16 to rotate reversely is installed in a transmission case 8, and a turbulence assembly is installed on the rotating sleeve 16.

Through the rotation of motor 7 drive driving shaft 20, driving shaft 20 drives blade II21 and realizes the stirring effect to the interior material of the cauldron body 1 for material fluidity promotes, and it is heated more fully high-efficient, does benefit to the quick distillation of extract product.

Wherein, the vortex subassembly is including fixing the rotating turret 11 on rotating sleeve 16, rotate on the rotating turret 11 and install stirring shaft 18, stirring shaft 18 lateral wall is fixed with a plurality of blade I19, drive assembly installs the driven shaft 15 on transmission case 8 including rotating, coaxial coupling has gear I13 on the driven shaft 15, coaxial coupling has gear II17 on rotating sleeve 16, drive assembly still includes belt pulley mechanism 14, driven shaft 15 and rotating sleeve 16 pass through the transmission of belt pulley mechanism 14 and connect.

Through the above-mentioned setting, at the rotatory in-process of driving shaft 20, driving shaft 20 passes through belt pulley mechanism 14 drive driven shaft 15 and rotates, driven shaft 15 drive gear I13 rotates, gear I13 drive gear II17 drives rotating sleeve 16 and rotates this moment, rotating sleeve 16 drive rotating turret 11 is rotatory, realize stirring shaft 18, blade II21 rotates around driving shaft 20, realize the abundant stirring effect to the interior material of cauldron body 1, because rotating sleeve 16 and driving shaft 20 rotation direction are opposite, the rotation direction of blade II21 and blade I19 relative driving shaft 20 axis is opposite, the stirring abundant degree of material obtains obviously to do benefit to the abundant heating distillation of material.

Example 2

Referring to fig. 1-6, a wastewater distillation process in dicumyl peroxide production process, comprising a kettle 1, wherein a transmission case 8 is installed at the top of the kettle 1, a motor 7 is installed at the top of the transmission case 8, a material feeding pipe 3 is installed on the kettle 1, a plurality of parallel circular pipes 12 are fixed inside the kettle 1, adjacent circular pipes 12 are communicated through a communicating pipe 10, a heating medium feeding pipe 2 and a heating medium discharging pipe 9 extending to the outside of the kettle 1 are fixed on the circular pipes 12, a condensing tank 6 is installed at the top of the kettle 1 in a communicating manner, an output shaft of the motor 7 is in driving connection with a driving shaft 20, a plurality of blades II21 are fixed on the side wall of the driving shaft 20, a rotating sleeve 16 is sleeved on the driving shaft 20, a driving assembly for driving the driving shaft 20 and the rotating sleeve 16 to rotate in opposite directions is installed in the transmission case 8, a turbulence assembly is installed on the rotating sleeve 16, the turbulence assembly comprises a rotating frame 11 fixed on the rotating sleeve 16, the last stirring shaft 18 that rotates of rotating turret 11 is installed, and stirring shaft 18 lateral wall is fixed with a plurality of blade I19, and drive assembly installs the driven shaft 15 on transmission case 8 including rotating, and coaxial coupling has gear I13 on the driven shaft 15, and coaxial coupling has gear II17 on the rotating sleeve 16, and drive assembly still includes pulley mechanism 14, and driven shaft 15 and rotating sleeve 16 pass through pulley mechanism 14 transmission and connect.

In addition, a condensation discharging pipe 4 is communicated and installed on the side wall of the condensation box 6, and a condensation assembly is installed inside the condensation box 6.

Wherein, the condensation subassembly is including being in the inside snakelike refrigerant pipe 23 of a plurality of condenser box 6, and collecting pipe 5 and collecting pipe II25 are installed to 6 lateral walls of condenser box, and the entrance point of every snakelike refrigerant pipe 23 all communicates with collecting pipe II25, and the exit end of every snakelike refrigerant pipe 23 all communicates with collecting pipe I5, installs refrigerant discharging pipe 24 on the collecting pipe 5, installs refrigerant inlet pipe 22 on the collecting pipe II 25.

Inside volatile extract product gasification back rises and enters into condensing box 6, outside cold media enters into collector tube II25 from refrigerant inlet pipe 22 inside, the refrigerant body flows along snakelike refrigerant pipe 23 afterwards, the refrigerant body enters into collector tube I5 inside afterwards, discharge from refrigerant discharging pipe 24, realize that cold media flows in snakelike refrigerant pipe 23 and carry out the inside cooling effect of condensing box 6, make gaseous extract fully liquefied in condensing box 6, discharge in the extract after the liquefaction is from condensation discharging pipe 4, convenient collection.

In conclusion, the rotary sleeve 16 is arranged to rotate to drive the rotary frame 11 to rotate, the rotary frame 11 drives the stirring shaft 18 and the blades II21 thereon to rotate to stir the materials in the kettle body 1, and the driving shaft 20 can drive the blades II21 to rotate in the opposite direction, so that the materials are stirred sufficiently, and the distillation process of the materials is efficient and sufficient. According to the invention, the plurality of serpentine refrigerant pipes 23 arranged in the condenser 6 can flow cold media, so that the extracts in the condenser 6 are fully contacted, the rapid condensation of the extracts is promoted, the heat media in the plurality of groups of ring pipes 12 flow from bottom to top, the materials in the kettle body 1 are efficiently heated, the rapid proceeding of the distillation and condensation processes of the materials is realized, and the extraction efficiency of the wastewater extracts in the dicumyl peroxide production process is greatly improved.

It should be particularly noted that although the present specification describes embodiments, not every embodiment includes only a single technical solution, and such description of the specification is for clarity only, and those skilled in the art should take the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that may be understood by those skilled in the art, and the above embodiments only express the preferred embodiments of the technical solutions, and the description thereof is more specific and detailed, but cannot therefore be understood as the technical solutions.

Claims

1. The utility model provides a waste water distillation process of dicumyl peroxide production process, this technology is realized based on stills, stills includes the cauldron body (1), and transmission case (8) are installed to cauldron body (1) top, and motor (7) are installed to transmission case (8) top, install material inlet pipe (3) on the cauldron body (1), its characterized in that, the inside of the cauldron body (1) is fixed with a plurality of parallel arrangement's ring canal (12), and adjacent communicate through communicating pipe (10) between the ring canal (12), be fixed with heat medium inlet pipe (2) and heat medium discharging pipe (9) that extend to cauldron body (1) outside on ring canal (12), condenser box (6) are installed to cauldron body (1) top intercommunication, the output shaft drive of motor (7) is connected with driving shaft (20), and driving shaft (20) lateral wall is fixed with a plurality of blades II (21), the transmission box is characterized in that a rotating sleeve (16) is sleeved on the driving shaft (20), a driving assembly for driving the driving shaft (20) and the rotating sleeve (16) to rotate reversely is installed in the transmission box (8), and a turbulence assembly is installed on the rotating sleeve (16); the turbulence assembly comprises a rotating frame (11) fixed on a rotating sleeve (16), a stirring shaft (18) is rotatably mounted on the rotating frame (11), and a plurality of blades I (19) are fixed on the side wall of the stirring shaft (18); the condensing assembly comprises a plurality of serpentine refrigerant pipes (23) arranged in a condensing box (6), a liquid collecting pipe (5) and a liquid collecting pipe II (25) are arranged on the side wall of the condensing box (6), the inlet end of each serpentine refrigerant pipe (23) is communicated with the liquid collecting pipe II (25), and the outlet end of each serpentine refrigerant pipe (23) is communicated with the liquid collecting pipe I (5);

2. The distillation process for wastewater generated in the production process of dicumyl peroxide according to claim 1, wherein the driving assembly comprises a driven shaft (15) rotatably mounted on the transmission case (8), a gear I (13) is coaxially connected to the driven shaft (15), and a gear II (17) is coaxially connected to the rotating sleeve (16).

3. The process for distilling the wastewater generated in the production process of dicumyl peroxide according to claim 3, wherein the driving assembly further comprises a belt pulley mechanism (14), and the driven shaft (15) and the rotating sleeve (16) are in transmission connection through the belt pulley mechanism (14).

4. The distillation process for the wastewater generated in the dicumyl peroxide production process according to claim 1, wherein the side wall of the condensation tank (6) is provided with a condensation discharge pipe (4) in a communication manner, and a condensation component is arranged in the condensation tank (6).

5. The distillation process of wastewater generated in the production process of dicumyl peroxide according to claim 1, wherein the liquid collecting pipe (5) is provided with a refrigerant discharging pipe (24), and the liquid collecting pipe II (25) is provided with a refrigerant feeding pipe (22).