Dibutyl phthalate dealcoholization kettle

Abstract

The utility model provides a dibutyl phthalate dealcoholization kettle which structurally comprises a support, an outer layer tank is fixedly arranged in the middle of the support, and a butt joint seat is fixedly arranged at the top of the support; stirring blades are fixedly arranged on the outer side of the heat insulation tank, a connecting shaft is fixedly arranged at the bottom of the heat insulation tank, a first belt wheel is fixedly arranged at the bottom of the connecting shaft, a liquid pumping pump and a liquid pumping pipe are matched to pump liquid between the outer-layer tank and the heat insulation tank into the heat insulation tank, and an electric heating rod is used for heating the liquid in the heat insulation tank. The second temperature detection sensor is used for monitoring the temperature in the heat insulation tank, the discharge pipe is used for discharging the solution in the heat insulation tank, the liquid in the heat insulation tank is subjected to diester generation, the outer layer tank and the heat insulation tank are combined, and the continuous esterification reaction of the dibutyl phthalate solution is completed. And the dealcoholization operation efficiency of the equipment on the dibutyl phthalate solution is improved.

Description

Technical Field

[0001] The utility model mainly relates to the technical field of reaction kettles, and particularly relates to a dibutyl phthalate de-alcoholization kettle. Background Art

[0002] The de-alcoholization operation needs to be carried out by the esterification reaction of dibutyl phthalate. During the esterification reaction process, attention should be paid to the temperature control during the formation of monoester and diester. The former needs to be carried out in an environment of 115°C, and the latter needs to be carried out in an environment of 145°C - 150°C.

[0003] The inventor proposes a dibutyl phthalate de-alcoholization kettle. By setting a kettle body with a double-layer structure, the degreasing treatment of dibutyl phthalate can be carried out simultaneously in two cavities inside the double-layer structure kettle body. Among them, the formation of monoester is carried out in the external space, and the formation of diester is carried out in the inner space. Corresponding pipelines are set to introduce the solution in the external space into the inner space to complete the continuous degreasing treatment of dibutyl phthalate. Summary of the Utility Model

[0004] 1. Technical problems to be solved by the utility model:

[0005] The utility model provides a dibutyl phthalate de-alcoholization kettle, which solves the technical problems put forward in the above background art.

[0006] 2. Technical solutions:

[0007] To achieve the above object, the technical solution provided by the utility model is: a dibutyl phthalate de-alcoholization kettle, including the following structures:

[0008] A bracket, the middle part of the bracket is fixedly provided with an outer tank, and the top of the bracket is fixedly provided with a docking seat.

[0009] A heat-insulating tank, the outside of the heat-insulating tank is fixedly provided with stirring blades, the bottom of the heat-insulating tank is fixedly provided with a connecting shaft, and the bottom of the connecting shaft is fixedly provided with a first pulley.

[0010] Furthermore, a heat circulation pipe is wound around the outside of the outer tank, a heat-insulating layer is fixedly provided on the outside of the outer tank, the inner wall of the heat-insulating layer is attached to the outside of the heat circulation pipe, an outer sleeve is penetrated and provided at the bottom of the outer tank, a first temperature detection sensor is horizontally inserted in the middle of the outer tank, the detection end of the first temperature detection sensor extends between the outer tank and the heat-insulating tank, and a feed pipe is inserted on the left side of the top of the outer tank.

[0011] Furthermore, the middle part of the docking seat is movably connected to the top of the outer tank, an isolation plate is fixedly provided at the bottom of the docking seat, the outer side of the isolation plate is movably connected to the top of the inner wall of the insulation tank, a discharge pipe is inserted at the left end of the isolation plate, the bottom of the discharge pipe extends to the bottom of the inner wall of the insulation tank, a liquid extraction pipe is inserted at the right end of the isolation plate, the liquid inlet of the liquid extraction pipe extends to between the outer tank and the insulation tank, a liquid extraction pump is fixedly provided in the middle part of the liquid extraction pipe, the bottom of the liquid extraction pump is fixedly connected to the top of the outer tank, a second temperature detection sensor is inserted at the top of the isolation plate, and the detection end of the second temperature detection sensor extends to the inner side of the insulation tank.

[0012] Furthermore, at least three rotating shafts are movably connected to the middle of the isolation plate, a spur gear is movably connected to the top of the rotating shaft, a stirring paddle is fixed to the outer side of the bottom of the rotating shaft, and the bottom of the rotating shaft extends to the inner side of the insulation tank.

[0013] Furthermore, a gear ring is fixedly provided at the middle of the top surface of the insulated tank, the middle of the gear ring is meshed with the outer side of the flat gear, a plurality of stirring blades are fixedly provided at the outer side of the insulated tank, an inner sleeve is fixedly provided at the bottom of the insulated tank, and the outer side of the inner sleeve is movably connected to the middle of the outer sleeve.

[0014] Furthermore, a driving motor is included, and a second pulley is fixedly provided at the bottom output end of the driving motor, and the outer side of the second pulley is transmission-connected to the outer side of the first pulley through a belt.

[0015] 3. Beneficial effects:

[0016] Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects:

[0017] The utility model provides a dibutyl phthalate dealcoholization kettle, wherein a liquid pump and a liquid pumping pipe cooperate to pump the liquid between an outer tank and an insulation tank into the insulation tank, an electric heating rod heats the liquid in the insulation tank, a second temperature detection sensor monitors the temperature in the insulation tank, and a discharge pipe is used to discharge the solution in the insulation tank, wherein the liquid in the insulation tank generates diesters, and the combination of the outer tank and the insulation tank completes the continuous esterification reaction of the dibutyl phthalate solution, thereby improving the dealcoholization operation efficiency of the equipment for the dibutyl phthalate solution;

[0018] The utility model provides a dibutyl phthalate dealcoholization kettle, wherein an outer tank and a docking seat are both fixed on a bracket, wherein a driving motor drives a connecting shaft to rotate through a second pulley and a first pulley, completes a rotation process of the heat-insulating tank in the outer tank, completes a stirring process of a solution contained in the outer tank, and the heat-insulating tank cooperates with a gear ring to drive a flat gear to rotate above an isolation plate, completes a stirring process of the solution in the heat-insulating tank by driving a stirring paddle through a rotating shaft;

[0019] Those parts not involved in this device are the same as the prior art or can be implemented using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a perspective view of the structure of the present utility model;

[0021] Figure 2 is a perspective view of the half-section of the structure of the present utility model;

[0022] Figure 3 is a perspective view of the half-section of the structure of the present utility model;

[0023] Figure 4 is a perspective view of the half-section of the structure of the present utility model.

[0024] REFERENCE NUMERALS:

[0025] Bracket - 1;

[0026] Outer tank - 2; Heat circulation pipe - 21; Thermal insulation shell - 22; Outer sleeve - 23; First temperature detection sensor - 24; Feed pipe - 25;

[0027] Docking seat - 3; Isolation plate - 31; Discharge pipe - 32; Liquid extraction pipe - 33; Liquid extraction pump - 34; Second temperature detection sensor - 35; Electric heating rod - 36;

[0028] Rotating shaft - 4; Spur gear - 41; Stirring paddle - 42;

[0029] Heat insulation tank - 5; Tooth ring - 51; Stirring blade - 52; Inner sleeve - 53;

[0030] Connecting shaft - 6; First pulley - 61;

[0031] Drive motor - 7; Second pulley - 71. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0032] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present utility model are given in the drawings. However, the present utility model 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 utility model more thorough and comprehensive.

[0033] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can also be an intermediate element; when an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intermediate element at the same time; the terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are only for the purpose of illustration.

[0034] Unless otherwise defined, all technical and scientific terms used in this article have the same meaning as commonly understood by those skilled in the technical field to which this utility model belongs; the terms used in the description of this utility model in this article are only for the purpose of describing specific embodiments and are not intended to limit this utility model; the term "and / or" used in this article includes any and all combinations of one or more of the related listed items.

[0035] Refer to the attached Figures 1-4 , this utility model provides a dibutyl phthalate de-alcoholization kettle, which includes the following structures:

[0036] A bracket 1, with an outer layer tank 2 fixedly installed in the middle of the bracket 1, and a docking seat 3 fixedly installed at the top of the bracket 1.

[0037] A heat insulation tank 5, with stirring blades 52 fixedly installed on the outer side of the heat insulation tank 5, a connecting shaft 6 fixedly installed at the bottom of the heat insulation tank 5, and a first pulley 61 fixedly installed at the bottom of the connecting shaft 6.

[0038] In this embodiment, a heat circulation pipe 21 is wound around the outer side of the outer layer tank 2, a heat insulation layer is fixedly installed on the outer side of the outer layer tank 2, the inner wall of the heat insulation layer is attached to the outer side of the heat circulation pipe 21, an outer sleeve pipe 23 is penetrated and installed at the bottom of the outer layer tank 2, a first temperature detection sensor 24 is horizontally inserted in the middle of the outer layer tank 2, the detection end of the first temperature detection sensor 24 extends between the outer layer tank 2 and the heat insulation tank 5, and a feed pipe 25 is inserted on the left side at the top of the outer layer tank 2.

[0039] The solution to be subjected to de-alcoholization treatment is introduced between the outer layer tank 2 and the heat insulation tank 5 through the feed pipe 25. The heat circulation pipe 21 and the heat insulation layer cooperate to provide heating and heat insulation treatment for the solution in the outer layer tank 2. Among them, the first temperature detection sensor 24 monitors the temperature inside the outer layer tank 2, and the space between the outer layer tank 2 and the heat insulation tank 5 is used for the formation of the monoester of the dibutyl phthalate solution.

[0040] In this embodiment, the middle part of the docking seat 3 is movably connected to the top of the outer tank 2, and an isolation plate 31 is fixedly provided at the bottom of the docking seat 3. The outer side of the isolation plate 31 is movably connected to the top of the inner wall of the insulation tank 5. A discharge pipe 32 is inserted at the left end of the isolation plate 31, and the bottom of the discharge pipe 32 extends to the bottom of the inner wall of the insulation tank 5. A liquid extraction pipe 33 is inserted at the right end of the isolation plate 31, and the liquid inlet of the liquid extraction pipe 33 extends to between the outer tank 2 and the insulation tank 5. A liquid extraction pump 34 is fixedly provided in the middle part of the liquid extraction pipe 33, and the bottom of the liquid extraction pump 34 is fixedly connected to the top of the outer tank 2. A second temperature detection sensor 35 is inserted at the top of the isolation plate 31, and the detection end of the second temperature detection sensor 35 extends to the inner side of the insulation tank 5. An electric heating rod 36 is inserted in the middle part of the isolation plate 31, and the electric heating rod 36 extends to the inner side of the insulation tank 5.

[0041] The liquid pump 34 and the liquid pumping pipe 33 cooperate to pump the liquid between the outer tank 2 and the insulating tank 5 into the insulating tank 5, the electric heating rod 36 heats the liquid in the insulating tank 5, the second temperature detection sensor 35 monitors the temperature in the insulating tank 5, and the discharge pipe 32 is used to discharge the solution in the insulating tank 5, wherein the liquid in the insulating tank 5 is used to generate diester. The combination of the outer tank 2 and the insulating tank 5 completes the continuous esterification reaction of the dibutyl phthalate solution, thereby improving the dealcoholization efficiency of the equipment on the dibutyl phthalate solution.

[0042] In this embodiment, at least three rotating shafts 4 are movably connected in the middle of the isolation plate 31, a flat gear 41 is movably connected to the top of the rotating shaft 4, a stirring paddle 42 is fixed to the outer side of the bottom of the rotating shaft 4, and the bottom of the rotating shaft 4 extends to the inner side of the insulation tank 5.

[0043] The flat gear 41 cooperates with the gear ring 51 to enable the rotating shaft 4 to drive the stirring paddle 42 to stir the solution in the insulation tank 5 .

[0044] In this embodiment, a gear ring 51 is fixedly provided in the middle of the top surface of the insulation tank 5, and the middle of the gear ring 51 is meshed with the outer side of the flat gear 41. A plurality of stirring blades 52 are fixedly provided on the outer side of the insulation tank 5. An inner sleeve 53 is fixedly provided at the bottom of the insulation tank 5, and the outer side of the inner sleeve 53 is movably connected to the middle of the outer sleeve 23.

[0045] The stirring blade 52 of the insulating tank 5 can stir the solution contained in the outer tank 2. The assembly of the inner sleeve 53 and the outer sleeve 23 completes the extension of the connecting shaft 6 to the outside of the outer tank 2, making it convenient for the first pulley 61 on the connecting shaft 6 to cooperate with the second pulley 71 at the bottom of the driving motor 7.

[0046] In this embodiment, a driving motor 7 is further included. A second pulley 71 is fixedly disposed at the bottom output end of the driving motor 7. The outer side of the second pulley 71 is transmission-connected to the outer side of the first pulley 61 via a belt.

[0047] Both the outer tank 2 and the docking seat 3 are fixed on the bracket 1. Among them, the driving motor 7 drives the connecting shaft 6 to rotate through the second pulley 71 and the first pulley 61, completing the rotation process of the heat insulation tank 5 in the outer tank 2 and the stirring process of the solution contained in the outer tank 2. The heat insulation tank 5 cooperates with the toothed ring 51 to drive the spur gear 41 to rotate above the partition plate 31, and the rotating shaft 4 drives the stirring paddle 42 to stir the solution in the heat insulation tank 5.

[0048] The above embodiments only represent certain implementation manners of the present invention, and the description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the patent of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several deformations and improvements can still be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the appended claims.

Claims

1. A dibutyl phthalate dealcoholation kettle, characterized in that: Includes the following structure: A bracket (1), wherein an outer tank (2) is fixedly arranged in the middle of the bracket (1), and a docking seat (3) is fixedly arranged at the top of the bracket (1); An insulating tank (5), wherein a stirring blade (52) is fixedly provided on the outer side of the insulating tank (5), a connecting shaft (6) is fixedly provided on the bottom of the insulating tank (5), and a first pulley (61) is fixedly provided on the bottom of the connecting shaft (6).

2. A dibutyl phthalate dealcoholation kettle according to claim 1, characterized in that: A heat circulation pipe (21) is wound around the outer side of the outer tank (2), a heat-insulating layer is fixedly provided on the outer side of the outer tank (2), the inner wall of the heat-insulating layer is in contact with the outer side of the heat-circulating pipe (21), an outer sleeve (23) is passed through the bottom of the outer tank (2), a first temperature detection sensor (24) is laterally inserted in the middle of the outer tank (2), a detection end of the first temperature detection sensor (24) extends between the outer tank (2) and the heat-insulating tank (5), and a feed pipe (25) is inserted in the left side of the top of the outer tank (2).

3. A dibutyl phthalate dealcoholation kettle according to claim 1, characterized in that: The middle part of the docking seat (3) is movably sleeved with the top of the outer tank (2); an isolation plate (31) is fixedly provided at the bottom of the docking seat (3); the outer side of the isolation plate (31) is movably connected to the top of the inner wall of the heat-insulating tank (5); a discharge pipe (32) is plugged into the left end of the isolation plate (31); the bottom of the discharge pipe (32) extends to the bottom of the inner wall of the heat-insulating tank (5); a liquid extraction pipe (33) is plugged into the right end of the isolation plate (31); the liquid inlet of the liquid extraction pipe (33) extends between the outer tank (2) and the heat-insulating tank (5); a liquid extraction pump (34) is fixedly provided at the middle part of the liquid extraction pipe (33); the bottom of the liquid extraction pump (34) is fixedly connected to the top of the outer tank (2); a second temperature detection sensor (35) is plugged into the top of the isolation plate (31); the detection end of the second temperature detection sensor (35) extends to the inner side of the heat-insulating tank (5).

4. A dibutyl phthalate dealcoholation kettle according to claim 3, characterized in that: The middle of the isolation plate (31) is movably connected to at least three rotating shafts (4), the top of the rotating shaft (4) is movably connected to a flat gear (41), a stirring paddle (42) is fixedly provided on the outside of the bottom of the rotating shaft (4), and the bottom of the rotating shaft (4) extends to the inside of the heat-insulating tank (5).

5. A dibutyl phthalate dealcoholation kettle according to claim 1, characterized in that: A gear ring (51) is fixedly provided at the middle of the top surface of the heat-insulating tank (5), and the middle of the gear ring (51) meshes with the outer side of the flat gear (41). A plurality of stirring blades (52) are fixedly provided at the outer side of the heat-insulating tank (5). An inner sleeve (53) is fixedly provided at the bottom of the heat-insulating tank (5), and the outer side of the inner sleeve (53) is movably connected to the middle of the outer sleeve (23).

6. A dibutyl phthalate dealcoholation kettle according to claim 1, characterized in that: It also includes a driving motor (7), wherein a second belt pulley (71) is fixedly provided at the bottom output end of the driving motor (7), and the outer side of the second belt pulley (71) is transmission-connected to the outer side of the first belt pulley (61) via a belt.

Images