4, 6-dihydroxypyrimidine mixing device with stirring function

Abstract

A 4, 6-dihydroxypyrimidine mixing device with a stirring function relates to the field of bactericide preparation devices and comprises a base, a mixing barrel is fixedly mounted on one side of the upper end face of the base, and an upper cover clamped with the mixing barrel is mounted on the upper end face of the mixing barrel; the transmission cavity is formed in the upper cover, a gear ring is arranged on the periphery of the transmission cavity, a sun gear is rotationally installed in the middle of the transmission cavity, a driving motor is installed on the upper end face of the upper cover, and three planetary gears which are annularly distributed at equal intervals are arranged between the sun gear and the gear ring; the planetary gear is respectively meshed with the sun gear and the gear ring; the rotating shafts are arranged on shafts at the lower ends of the planetary gears, mixing rods of different specifications are installed below the three rotating shafts respectively, the lengths of cross rods of the three mixing rods are different, and according to the scheme, the problems that a stirring structure of the mixing device is single, and the whole mixing cavity is difficult to cover are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a fungicide preparation device technical field, concretely is a 4, 6 - dihydroxy pyrimidine mixing device with stirring function. BACKGROUND

[0002] The preparation of 4, 6 - dihydroxy pyrimidine is mainly based on organic synthesis reaction, and its raw materials usually include malonic acid ester (such as dimethyl malonate or diethyl malonate), formamide and alkali metal alcoholate (such as sodium methoxide or sodium ethoxide), 4, 6 - dihydroxy pyrimidine is widely used as an organic synthesis intermediate, especially in the preparation of medicines, pesticides and fungicides, which is used to produce sulfonamides (such as sulfonamide motaxin, sulfonamide metaximin, etc.), vitamin B4, antitumor drugs and intermediate of auxiliary drugs.

[0003] For example, the Chinese authorized patent "a fungicide preparation mixing device" with the announcement number CN221244892U includes a support plate, a support shaft is installed on the support plate, a gear ring is installed on the outer side wall of the mixing barrel, the output shaft of a No. 1 motor is vertically upwardly installed with a gear, and the gear is meshed with the gear ring, a guide plate is installed on the inner side wall of the mixing barrel, a hole is formed through the mixing barrel, a stirring rod is arranged through the hole, the output shaft of a No. 2 motor is downwardly installed on the stirring rod, when the gear rotates, the mixing barrel will be driven to rotate through the gear ring, when the mixing barrel rotates, the guide plate will simultaneously stir the raw materials in the mixing barrel, when the stirring rod rotates, the mixing plate will rotate in the mixing barrel, and when the mixing plate and the mixing barrel rotate in opposite directions, the raw materials in the mixing barrel will be stirred in the opposite direction, and the mixing and stirring purposes are achieved.

[0004] Although the above-mentioned prior art can realize the mixing preparation of 4, 6 - dihydroxy pyrimidine, the stirring structure is relatively single, the whole mixing cavity cannot be covered in the stirring process, and the raw materials are prone to caking, which does not meet the existing demand, and therefore we propose a 4, 6 - dihydroxy pyrimidine mixing device with stirring function. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a 4, 6 - dihydroxy pyrimidine mixing device with stirring function to solve the problem that the mixing device stirring structure is relatively single and the whole mixing cavity cannot be covered in the above-mentioned background art.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a 4, 6 - dihydroxy pyrimidine mixing device with stirring function, including the base, the one side fixed mounting of the base upper end face has the mixing barrel, the upper end face of mixing barrel installs with its card joint's upper cover, still including:

[0007] A transmission cavity is arranged on the upper cover, a gear ring is arranged on the periphery of the transmission cavity, a sun gear is rotatably arranged at the middle position of the transmission cavity, a driving motor is arranged on the upper end surface of the upper cover, the output shaft of the driving motor is connected with the shaft of the sun gear through a shaft coupling, and three annular equidistantly distributed planetary gears are arranged between the sun gear and the gear ring and are respectively engaged with the sun gear and the gear ring;

[0008] Rotary shafts are arranged on the shafts at the lower ends of the planetary gears, different specifications of mixing rods are respectively arranged below the three rotary shafts, and the lengths of the cross bars of the three mixing rods are different.

[0009] Preferably, a solution recovery cylinder is fixedly arranged on the other side of the upper end surface of the base, a distillation pipe is arranged between the solution recovery cylinder and the mixing cylinder, the outer portion of the vertical pipe of the distillation pipe is wrapped with a cooling pipe, a cooling water storage tank is arranged on one side in the base, a circulating water inlet pipe is arranged between the upper end of the one side of the cooling pipe and the cooling water storage tank, and a circulating water outlet pipe is arranged between the lower end of the one side of the cooling pipe and the cooling water storage tank.

[0010] Preferably, a heat storage tank is arranged on the other side in the base, a waste heat recovery pipe provided with a pump is arranged between the heat storage tank and the cooling water storage tank, a heat preservation water cavity is arranged in the inner wall of the mixing cylinder, and a heat preservation water pipe extending into the heat storage tank is arranged on one side of the heat preservation water cavity.

[0011] Preferably, a heating device is arranged on the bottom of the mixing cylinder.

[0012] Preferably, one end of the distillation pipe in the cooling pipe is in a spiral structure.

[0013] Preferably, a cooling water inlet pipe is arranged on one side of the cooling water storage tank, and the cooling water inlet pipe extends to the outside of the base.

[0014] Preferably, a solution discharge pipe is arranged below the front end of the solution recovery cylinder.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] 1. The utility model discloses an irregular stirring mechanism, through the opening drive motor, its output shaft drives the sun gear on the output shaft rotation, simultaneously, the side of planetary gear is engaged with the sun gear and the tooth ring of the upper cover inner chamber periphery respectively, under the meshing effect, make planetary gear revolve around the sun gear while keeping autogyration, the rotation axis of mixing rod is equipped on the shaft of planetary gear lower extreme, and the rotation axis drives mixing rod to rotate, realizes the stirring of raw materials in mixing cylinder, and the length of the upper cross bar of other three mixing rods is different, makes the radius of different mixing rod vertical pole rotation a circle also each different, cooperate revolution while autorotation, form complex stirring motion in mixing cylinder, and this structure design is simple, and it is convenient to mass production and daily maintenance, and compared with traditional fixed stirring on the stirring mode, has the characteristics of wide coverage, and occupies the small characteristic of stirring cavity space.

[0017] 2. The utility model discloses a distillation pipe is equipped with, after 4, 6 - dihydroxy pyrimidine raw materials are mixed, with the improvement of mixing cylinder internal temperature, internal liquid vaporization occurs, and enters to the inside of distillation pipe, through the opening circulating water inlet pipe's pump, cooling water in cooling water storage tank is entered to the cooling pipe through circulating water inlet pipe, and the steam that passes is condensed into liquid rapidly, realizes the separation with other components in mixture, and finally solution is collected in solution recovery cylinder, and the 4, 6 - dihydroxy pyrimidine sodium salt of water dissolution reaction is obtained, to facilitate subsequent acidification precipitation, this distillation structure can assist mixing cylinder to realize 4, 6 - dihydroxy pyrimidine fast preparation, and production efficiency is effectively improved.

[0018] 3. The utility model discloses a heat preservation water chamber is equipped with in the inside of mixing cylinder, with the cooling water in cooling pipe constantly heat exchange with distillation pipe, and water temperature gradually rises, after rising to the set value, open the pump on waste heat recovery pipe, and the hot water of cooling water storage tank is transported to heat storage tank and is stored in heat insulation, in the process of mixing cylinder heat preservation heating, the hot water in heat storage tank is supplemented to heat preservation water chamber, not only can improve the uniformity of raw material heating, but also can assist heating device to reduce heating energy consumption, to realize the reduction of production cost. ACCURACY OF DRAWINGS

[0019] Figure 1 It is the perspective drawing of the utility model;

[0020] Figure 2 It is the internal structure schematic drawing of the utility model;

[0021] Figure 3 It is the internal structure schematic drawing of the upper cover of the utility model;

[0022] Figure 4 It is the perspective drawing of the mixing rod of the utility model.

[0023] In the figure: 1, base; 2, mixing barrel; 3, upper cover; 4, driving motor; 5, distillation pipe; 6, cooling pipe; 7, solution recovery cylinder; 8, heat preservation water pipe; 9, solution discharge pipe; 10, cooling water inlet pipe; 11, circulating water inlet pipe; 12, circulating water outlet pipe; 13, heat preservation water cavity; 14, sun gear; 15, planetary gear; 16, rotating shaft; 17, mixing rod; 18, heating device; 19, heat storage box; 20, cooling water storage box; 21, gear ring; 22, waste heat recovery pipe. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0025] Please refer to Figures 1-4 The utility model provides an embodiment: a 4, 6 - dihydroxy pyrimidine mixing device with stirring function, including base 1, one side of base 1 upper end face is fixedly installed with mixing barrel 2, the upper end surface of mixing barrel 2 is installed with the upper cover 3 of its card joint, the bottom of mixing barrel 2 is installed with heating device 18, still including:

[0026] Transmission cavity, its periphery is provided with gear ring 21, the middle position of transmission cavity is rotatably installed with sun gear 14, the upper end surface of upper cover 3 is installed with driving motor 4, the output shaft of driving motor 4 is connected with the shaft of sun gear 14 through shaft coupling, and three annular equidistant planetary gears 15 are arranged between sun gear 14 and gear ring 21, and the planetary gears 15 are respectively engaged with sun gear 14 and gear ring 21.

[0027] Rotating shaft 16 is arranged on the shaft of the lower end of planetary gear 15, and different specifications of mixing rods 17 are respectively installed below the three rotating shafts 16, and the lengths of the crossbars of the three mixing rods 17 are different.

[0028] When in use, the driving motor 4 is turned on, the output shaft drives the sun gear 14 on the output shaft to rotate, the side surfaces of the planetary gears 15 are respectively engaged with the sun gear 14 and the gear ring 21 on the periphery of the inner cavity of the upper cover 3, and under the engagement, the planetary gears 15 revolve around the sun gear 14 while keeping self-rotation, the rotating shafts 16 with the mixing rods 17 are arranged on the shafts of the lower ends of the planetary gears 15, the rotating shafts 16 drive the mixing rods 17 to rotate, the stirring of the raw materials in the mixing barrel 2 is realized, and the lengths of the upper crossbars of the other three mixing rods 17 are different, so that the radii of the vertical rods of the different mixing rods 17 are also different, and the complex stirring motion is formed in the mixing barrel 2 by the cooperation of revolution and self-rotation.

[0029] Please refer to Figure 1 andFigure 2 The other side of the upper end surface of the base 1 is fixedly provided with a solution recovery cylinder 7, a distillation pipe 5 is installed between the solution recovery cylinder 7 and the mixing cylinder 2, the outer part of the vertical pipe of the distillation pipe 5 is wrapped with a cooling pipe 6, the end of the distillation pipe 5 inside the cooling pipe 6 is in a spiral structure, one side of the inside of the base 1 is provided with a cooling water storage tank 20, a circulating water inlet pipe 11 is arranged between the upper end of one side of the cooling pipe 6 and the cooling water storage tank 20, a circulating water outlet pipe 12 is arranged between the lower end of one side of the cooling pipe 6 and the cooling water storage tank 20, one side of the cooling water storage tank 20 is provided with a cooling water inlet pipe 10, the cooling water inlet pipe 10 extends to the outside of the base 1, after the 4,6-dihydroxy pyrimidine raw material is mixed, the internal temperature of the mixing cylinder 2 is increased, the internal liquid is vaporized and enters the inside of the distillation pipe 5, the cooling water in the cooling water storage tank 20 is pumped into the cooling pipe 6 through the circulating water inlet pipe 11, the steam is rapidly cooled and condensed into liquid, the separation from other components in the mixture is realized, and finally the solution is collected in the solution recovery cylinder 7, and the water-soluble reaction obtains 4,6-dihydroxy pyrimidine sodium salt.

[0030] Please refer to Figure 1 and Figure 2 The other side of the inside of the base 1 is provided with a heat storage tank 19, a waste heat recovery pipe 22 provided with a pump is arranged between the heat storage tank 19 and the cooling water storage tank 20, a heat preservation water cavity 13 is arranged in the inner wall of the mixing cylinder 2, one side of the heat preservation water cavity 13 is provided with a heat preservation water pipe 8 extending to the inside of the heat storage tank 19, as the cooling water in the cooling pipe 6 continuously exchanges heat with the distillation pipe 5, the water temperature gradually increases, after increasing to a set value, the pump on the waste heat recovery pipe 22 is opened, the hot water of the cooling water storage tank 20 is transported to the heat storage tank 19 for heat insulation storage, and the hot water in the heat storage tank 19 is supplemented to the heat preservation water cavity 13 in the process of heat preservation and heating of the mixing cylinder 2, which not only can improve the uniformity of the raw material heating, but also can assist the heating device to reduce the heating energy consumption.

[0031] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but rather can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being indicated by the appended claims rather than by the above description, and it is intended to embrace all changes and modifications that fall within the meaning and scope of equivalents of the claims. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

Claims

1. A 4,6-dihydroxypyrimidine mixing device with a stirring function, comprising a base (1), a mixing cylinder (2) fixedly mounted on one side of an upper end surface of the base (1), and an upper cover (3) engaged with the mixing cylinder (2) mounted on the upper end surface of the mixing cylinder (2); Its characteristics are: Also includes: A transmission chamber is provided on the upper cover (3), a gear ring (21) is provided on the periphery of the transmission chamber, a sun gear (14) is rotatably mounted at the middle position of the transmission chamber, a drive motor (4) is mounted on the upper end surface of the upper cover (3), an output shaft of the drive motor (4) is connected to the shaft of the sun gear (14) via a coupling, three planetary gears (15) equidistantly distributed in an annular shape are provided between the sun gear (14) and the gear ring (21), and the planetary gears (15) are respectively meshed with the sun gear (14) and the gear ring (21); A rotating shaft (16) is arranged on the shaft at the lower end of the planetary gear (15), and mixing rods (17) of different specifications are respectively installed below the three rotating shafts (16). The crossbar lengths of the three mixing rods (17) are different. A solution recovery cylinder (7) is fixedly arranged on the other side of the upper end surface of the base (1), and a distillation tube (5) is installed between the solution recovery cylinder (7) and the mixing cylinder (2). The outside of the vertical tube of the distillation tube (5) is wrapped with a cooling tube (6). A cooling water storage tank (20) is arranged on one side of the interior of the base (1). The cooling tube (6 ) is provided between the upper end of one side of the mixing cylinder (2) and the cooling water storage tank (20), a circulating water inlet pipe (11) is provided between the lower end of one side of the cooling pipe (6) and the cooling water storage tank (20), a circulating water outlet pipe (12) is provided between the lower end of one side of the cooling pipe (6) and the cooling water storage tank (20), a heat storage tank (19) is provided on the other side of the interior of the base (1), a waste heat recovery pipe (22) equipped with a pump is provided between the heat storage tank (19) and the cooling water storage tank (20), an insulating water cavity (13) is provided in the inner wall of the mixing cylinder (2), and an insulating water pipe (8) extending to the interior of the heat storage tank (19) is provided on one side of the insulating water cavity (13).

2. The 4,6-dihydroxypyrimidine mixing device with stirring function according to claim 1, characterized in that: A heating device (18) is installed at the bottom of the mixing cylinder (2).

3. The 4,6-dihydroxypyrimidine mixing device with stirring function according to claim 1, characterized in that: One end of the distillation tube (5) located inside the cooling tube (6) is in a spiral structure.

4. The 4,6-dihydroxypyrimidine mixing device with stirring function according to claim 1, characterized in that: A cooling water inlet pipe (10) is provided on one side of the cooling water storage tank (20), and the cooling water inlet pipe (10) extends to the outside of the base (1).

5. The 4,6-dihydroxypyrimidine mixing device with stirring function according to claim 1, characterized in that: A solution discharge pipe (9) is provided below the front end of the solution recovery cylinder (7).

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