Stirring kettle capable of filtering impurities for preparing tributyl phosphate

Abstract

The utility model discloses a stirring kettle for preparing tributyl phosphate and capable of filtering impurities, and relates to the technical field of stirring kettles, the stirring kettle comprises a kettle body, a stirring shaft, a collecting ring and an auxiliary component, the stirring shaft is rotatably arranged in the kettle body, a motor is fixedly arranged at the top of the kettle body, the output end of the motor is fixed with the stirring shaft, and uniformly distributed stirring frames are fixedly arranged on the outer side of the stirring shaft; the collecting ring is fixedly arranged on the inner side of the kettle body, drainage grooves are uniformly distributed in the collecting ring, the bottoms of the drainage grooves are communicated with the inner side of the kettle body, collecting cylinders are arranged in the drainage grooves, first through holes are uniformly distributed in the bottoms of the collecting cylinders, pull rods are fixedly arranged in the collecting cylinders, and mounting holes are uniformly distributed in the top of the kettle body; according to the reaction kettle, the collection ring is arranged in the kettle body, when the kettle body operates, a solution in the kettle body can be turned upwards, enters the collection ring and is filtered by the collection barrel in the collection ring, solid impurities are collected in the collection barrel, and the impurities can be cleaned by pulling out the collection barrel through the pull rod subsequently.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of stirred tank, concretely to a stirred tank with impurity filtering function for preparing tributyl phosphate. BACKGROUND

[0002] Tributyl phosphate is used as a solvent, and is also often used as a plasticizer for nitrocellulose, cellulose acetate, chlorinated rubber and polyvinyl chloride, an extractant for rare metals, a heat exchange medium, and an industrial defoaming agent due to its low surface tension, water-insoluble properties and the ability to make the film of the formed foam unstable and quickly defoam.

[0003] The anti-volatilization stirred tank for preparing TBP tributyl phosphate provided in publication CN210846385U includes a tank body, a cavity with an upper opening is arranged in the tank body, a horn-shaped cover body with a small head downward and a ring-shaped glass observation window at the outer edge is covered on the opening of the tank body, a conical cavity is arranged in the horn-shaped cover body, a perforation is arranged at the bottom of the horn-shaped cover body, a rotating shaft driven by a motor extends into the tank body through the perforation, a speed reducer is arranged between the motor and the rotating shaft, the edge at the bottom of the speed reducer is fixedly connected with the inside of the horn-shaped cover body, and a stirring paddle is arranged at the lower end of the rotating shaft.

[0004] The above device only plays a role in uniform stirring to make the reaction more thorough when in use, and cannot effectively filter the solid impurity particles generated by the reaction raw materials and products, so that the purity of the products is reduced, and it is time-consuming and laborious to filter the particles by using other devices subsequently, and therefore, the present application provides a stirred tank with impurity filtering function for preparing tributyl phosphate. UTILITY MODEL CONTENTS

[0005] The utility model discloses in view of the deficiency in the prior art, provide a kind of stirred tank with impurity filtering function for preparing tributyl phosphate, utilize the collection cylinder of being arranged in the inside of cauldron body to collect the solid impurity in solution, realize to the solid impurity in tributyl phosphate effectively filtering.

[0006] In order to solve the above technical problems, the utility model solves the problem that the stirring tank in the prior art cannot remove the solid impurities in the solution by the following technical solutions.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] The utility model provides a kind of filterable impurity stirring kettle for preparing tributyl phosphate, including kettle body, stirring shaft, collection ring and auxiliary assembly, kettle body top is fixed with feed pipe, bottom is fixed with discharge pipe, stirring shaft is rotatably arranged in kettle body, kettle body top is fixed with motor with speed reducer, motor output end is fixed with stirring shaft, stirring shaft outside is fixed with evenly distributed stirring frame, collection ring is fixed in kettle body inside, collection ring is equipped with evenly distributed drain groove in, drain groove bottom is communicated with kettle body inside, drain groove is equipped with collection cylinder, collection cylinder bottom is equipped with evenly distributed first through-hole, collection cylinder is fixed with pull rod in, kettle body top is equipped with evenly distributed mounting hole, mounting hole is equipped with mounting head, pull rod top is connected with mounting head, auxiliary assembly is arranged in kettle body, for auxiliary solution reaches drain groove.

[0009] Preferably, the top of the collection ring is provided with an annular groove, and the drain groove is arranged in the annular groove.

[0010] Preferably, the annular groove is provided with a guide groove, the guide groove is a reverse triangle, the vertex of the guide groove is arranged in the drain groove, and the bottom side of the guide groove is arranged in the annular groove.

[0011] Preferably, the top of the collection cylinder is fixedly provided with a fixing ring, the drain groove is fixedly provided with a supporting ring, the collection cylinder is embedded in the supporting ring, the outer side of the fixing ring is sealingly matched with the inner side of the drain groove, and the side wall of the collection cylinder is provided with evenly distributed second through-holes.

[0012] Preferably, the mounting head is threadedly connected with the mounting hole.

[0013] Preferably, the mounting hole is in one-to-one correspondence with the drain groove, and the size of the mounting hole is greater than the size of the fixing ring.

[0014] Preferably, the mounting head is provided with an inner cavity, a pressing plate is slidably arranged in the inner cavity, the top of the pull rod penetrates through the bottom of the inner cavity and is fixed with the pressing plate, the top of the pressing plate is fixedly provided with a compression spring, and the compression spring is fixedly arranged in the inner part of the mounting head.

[0015] Preferably, the auxiliary assembly comprises a conical plate, the conical plate is fixedly arranged at the top of the collection ring, the stirring shaft is rotatably connected with the middle part of the conical plate, and the conical plate is provided with evenly distributed openings.

[0016] Preferably, the outer side of the stirring frame is fixedly provided with a scraper, and the scraper is slidingly matched with the inner side of the kettle body.

[0017] Preferably, the stirring frame is a stirring plate, and is an inclined plate.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] The utility model discloses a collecting ring is arranged in the kettle body, when the kettle body is operated, the solution in the kettle body will be turned up, enters the collecting ring, is filtered through the collecting cylinder in the collecting ring, and the solid impurity is collected in the collecting cylinder, and the collecting cylinder is pulled out through the pull rod subsequently, and the impurity can be cleaned.

[0020] When the impurity is accumulated in the collecting cylinder, the solution can flow out from the second through hole, and the normal filtration of the solution is not affected. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the drawings needed in the embodiment will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without the creative labor for the ordinary skilled in the art.

[0022] Figure 1 It is the whole structure schematic diagram of the utility model;

[0023] Figure 2 It is the whole structure cross section schematic diagram of the utility model;

[0024] Figure 3 It is the internal structure schematic diagram of the kettle body of the utility model;

[0025] Figure 4 It is the structure schematic diagram of the collecting ring part of the utility model;

[0026] Figure 5 It is the structure schematic diagram of the collecting cylinder of the utility model;

[0027] Figure 6 It is the internal structure schematic diagram of the mounting head of the utility model.

[0028] Figure number explanation: 1, kettle body;2, feed pipe;3, discharge pipe;4, stirring shaft;5, motor;6, stirring frame;7, collecting ring;8, drain groove;9, collecting cylinder;10, first through hole;11, pull rod;12, mounting hole;13, mounting head;14, auxiliary assembly;15, annular groove;16, guide groove;17, fixed ring;18, support ring;19, second through hole;20, pressing plate;21, compression spring;22, conical plate;23, scraper. DETAILED DESCRIPTION

[0029] The utility model will be described in further detail below in combination with the drawings. EMBODIMENT

[0030] Please refer to Figures 1-6The utility model provides a kind of stirring tank for preparing tributyl phosphate with filterable impurities, including kettle body 1, stirring shaft 4, collection ring 7 and auxiliary assembly 14, kettle body 1 top is fixed with feed pipe 2, bottom is fixed with discharge pipe 3, stirring shaft 4 is rotatably arranged in kettle body 1, kettle body 1 top is fixed with motor 5 with speed reducer, motor 5 output end is fixed with stirring shaft 4, stirring shaft 4 outside is fixed with evenly distributed stirring frame 6, collection ring 7 is fixed in kettle body 1 inside, collection ring 7 is equipped with evenly distributed drainage groove 8 in, drainage groove 8 bottom is communicated with kettle body 1 inside, drainage groove 8 is equipped with collection cylinder 9 in, collection cylinder 9 bottom is equipped with evenly distributed first through-hole 10, collection cylinder 9 is fixed with pull rod 11 in, kettle body 1 top is equipped with evenly distributed mounting hole 12, mounting hole 12 is equipped with mounting head 13, pull rod 11 top is connected with mounting head 13, solution in kettle body 1 is by stirring and will surge to collection ring 7, by drainage groove 8 reflows to kettle body 1, by setting collection cylinder 9 in drainage groove 8, solid impurities in filter solution can be cleaned in the process of stirring;

[0031] Auxiliary assembly 14 is arranged in kettle body 1, is used to assist solution to reach drainage groove 8, by setting the conical plate 22 with opening, while not affecting the surge of solution, the falling solution is guided to the collection ring 7 more, improves the filtering efficiency.

[0032] Some embodiments of the application will be described in detail below with reference to the accompanying drawings:

[0033] Please refer to Figures 1-6 By setting collection ring 7 in kettle body 1, when kettle body 1 operates, the solution in kettle body 1 will be turned up, enter collection ring 7, filter through collection cylinder 9 in collection ring 7, solid impurities are collected in collection cylinder 9, and then collection cylinder 9 is pulled out by pull rod 11 to clean the impurities.

[0034] Wherein, the top of collection ring 7 is provided with annular groove 15, drainage groove 8 is arranged in annular groove 15, guide groove 16 is arranged in annular groove 15, guide groove 16 is inverted triangle, the vertex of guide groove 16 is arranged in drainage groove 8, the bottom side of guide groove 16 is arranged in annular groove 15, the solution entering collection ring 7 first enters annular groove 15, then the guide line of guide groove 16 flows into drainage groove 8, there is no plane on collection ring 7, so that the stirring and mixing effect of the whole solution can be avoided to stay on collection ring 7.

[0035] In addition, the top of the collecting cylinder 9 is fixedly provided with a fixing ring 17, the inner side of the drainage groove 8 is fixedly provided with a supporting ring 18, the collecting cylinder 9 is embedded in the supporting ring 18, the outer side of the fixing ring 17 is sealingly matched with the inner side of the drainage groove 8, the side wall of the collecting cylinder 9 is provided with second through holes 19 which are uniformly distributed, when the impurities in the collecting cylinder 9 are relatively more, the first through holes 10 will be blocked, at this time, the solution can flow out from the second through holes 19, so that the normal filtering process of the solution by the collecting cylinder 9 is ensured;

[0036] Meanwhile, the mounting head 13 is threadedly connected with the mounting hole 12, the connecting strength between the mounting head 13 and the kettle body 1 is improved, further, the mounting hole 12 corresponds to the drainage groove 8 one by one, the size of the mounting hole 12 is larger than that of the fixing ring 17, so that the collecting cylinder 9 can be taken out from the kettle body 1 by pulling the rod 11 through the upper pulling of the mounting head 13;

[0037] It is worth noting that the mounting head 13 is provided with an inner cavity, the inner cavity is slidingly provided with a pressing plate 20, the top of the pressing plate 20 is fixedly provided with a compression spring 21, the compression spring 21 is fixedly arranged in the mounting head 13, the setting of the compression spring 21 can make the fixing ring 17 abut against the supporting ring 18, so that the relative stability of the position of the collecting cylinder 9 in the drainage groove 8 is ensured, and meanwhile, the fixing ring 17 is prevented from excessively pressing the supporting ring 18 when the mounting head 13 is screwed into the mounting hole 12.

[0038] In the technical solution, as shown in the figure, Figure 3 The auxiliary assembly 14 comprises a conical plate 22, the conical plate 22 is fixedly arranged at the top of the collecting ring 7, the stirring shaft 4 is rotationally connected with the middle part of the conical plate 22, the conical plate 22 is provided with uniformly distributed openings, the surging solution passes through the openings from bottom to top to reach above the conical plate 22, when the solution falls, due to the shielding and guiding of the conical plate 22, the solution can flow more along the conical plate 22 to the annular groove 15 of the collecting ring 7.

[0039] In the technical solution, as shown in the figure, Figure 4 The outer side of the stirring frame 6 is fixedly provided with a scraper 23, the scraper 23 is slidingly matched with the inner side of the kettle body 1, the stirring frame 6 is a stirring plate and is an inclined plate, the stirring frame 6 rotates with the stirring shaft 4, drives the solution to surge, and simultaneously scrapes the inner wall of the kettle body 1, so that the material is prevented from adhering to the inner wall of the kettle body 1.

[0040] The solution filtering mode of the kettle body 1 will be described below:

[0041] Firstly, the raw materials required by the phosphoric acid tributyl ester are placed in the kettle body 1 through the feeding pipe 2, the stirring shaft 4 is driven to rotate by the motor 5, and then the stirring frame 6 is driven to rotate, the stirring frame 6 stirs the solution and drives the solution to surge, the surging solution passes through the openings from bottom to top to reach above the conical plate 22, when the solution falls, due to the shielding and guiding of the conical plate 22, the solution can flow more along the conical plate 22 to the annular groove 15 of the collecting ring 7.

[0042] The solution entering the annular groove 15 flows along the guide groove 16 into the drainage groove 8, and the solution is filtered by the collecting cylinder 9, the solid impurities are left in the collecting cylinder 9, the liquid is returned into the kettle body 1 for stirring, and the operation is repeated until the solution stirring is completed, and the product is discharged from the discharge pipe 3;

[0043] Then, the mounting head 13 is taken out from the mounting hole 12 by rotating the mounting head 13, the collecting cylinder 9 is pulled out from the kettle body 1 by the mounting head 13 through the pull rod 11, the impurities in the collecting cylinder 9 are poured out and cleaned, the collecting cylinder 9 is inserted into the drainage groove 8 of the kettle body 1 again, and the mounting head 13 is screwed tightly again, under the action of the compression spring 21, the collecting cylinder 9 can be stably arranged in the drainage groove 8 for the next solution stirring and filtering operation.

[0044] It should be understood by those skilled in the art that the above description and the embodiments of the utility model shown in the drawings are only examples and do not limit the utility model. The purpose of the utility model has been completely and effectively realized. The function and structural principle of the utility model have been shown and explained in the embodiments, and the embodiments of the utility model can be deformed or modified in any way without departing from the principle.

Claims

1. A stirred tank for preparing tributyl phosphate that can filter impurities, characterized in that, include: The vessel body (1) is provided with a feed pipe (2) fixed at the top and a discharge pipe (3) fixed at the bottom. A stirring shaft (4) is rotatably disposed inside the vessel body (1). A motor (5) with a speed reducer is fixedly disposed on the top of the vessel body (1). The output end of the motor (5) is fixed to the stirring shaft (4). A uniformly distributed stirring rack (6) is fixedly disposed on the outside of the stirring shaft (4). A collection ring (7) is fixedly disposed inside the vessel body (1). The collection ring (7) is provided with a uniformly distributed drainage groove (8). The bottom of the drainage groove (8) is connected to the inside of the vessel body (1). A collection cylinder (9) is provided inside the drainage groove (8). The bottom of the collection cylinder (9) is provided with a uniformly distributed first through hole (10). A pull rod (11) is fixedly disposed inside the collection cylinder (9). The top of the vessel body (1) is provided with a uniformly distributed mounting hole (12). A mounting head (13) is provided inside the mounting hole (12). The top of the pull rod (11) is connected to the mounting head (13). An auxiliary component (14) is disposed inside the vessel body (1) to assist the solution in reaching the drainage tank (8).

2. The stirred tank for preparing tributyl phosphate according to claim 1, characterized in that: The top of the collecting ring (7) is provided with an annular groove (15), and the drainage groove (8) is provided in the annular groove (15).

3. The stirred tank for preparing tributyl phosphate according to claim 2, characterized in that: The annular groove (15) is provided with a guide groove (16), which is an inverted triangle. The apex of the guide groove (16) is located in the drainage groove (8), and the bottom edge of the guide groove (16) is located in the annular groove (15).

4. The stirred tank for preparing tributyl phosphate according to claim 3, characterized in that: The top of the collecting cylinder (9) is fixed with a fixing ring (17), and the drainage groove (8) is fixed with a support ring (18). The collecting cylinder (9) is embedded in the support ring (18). The outer side of the fixing ring (17) is sealed to the inner side of the drainage groove (8). The side wall of the collecting cylinder (9) is provided with evenly distributed second through holes (19).

5. A stirred tank for preparing tributyl phosphate according to claim 4, characterized in that: The mounting head (13) is threadedly connected to the mounting hole (12).

6. The stirred tank for preparing tributyl phosphate according to claim 4, characterized in that: The mounting hole (12) corresponds one-to-one with the drainage groove (8), and the size of the mounting hole (12) is larger than the size of the fixing ring (17).

7. A stirred tank for preparing tributyl phosphate according to claim 5, characterized in that: The mounting head (13) has an inner cavity, and a pressure plate (20) is slidably provided in the inner cavity. The top of the pull rod (11) passes through the bottom of the inner cavity and is fixed to the pressure plate (20). A compression spring (21) is fixedly provided on the top of the pressure plate (20), and the compression spring (21) is fixed inside the mounting head (13).

8. The stirred tank for preparing tributyl phosphate according to claim 1, characterized in that: The auxiliary component (14) includes a conical plate (22), which is fixedly disposed on the top of the collecting ring (7). The stirring shaft (4) is rotatably connected to the middle of the conical plate (22), and the conical plate (22) has evenly distributed openings.

9. A stirred tank for preparing tributyl phosphate according to claim 1, characterized in that: A scraper (23) is fixedly provided on the outside of the stirring rack (6), and the scraper (23) slides in cooperation with the inside of the vessel body (1).

10. A stirred tank for preparing tributyl phosphate according to claim 1, characterized in that: The stirring rack (6) is a stirring plate, and it is an inclined plate.

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