Stable crystallization kettle

Abstract

The utility model relates to the technical field of crystallization kettles, and discloses a stable crystallization kettle which comprises a reaction kettle, the bottom of the reaction kettle is fixedly connected with a discharging pipe, the top of the reaction kettle is fixedly connected with a top plate, the upper surface of the top plate is fixedly connected with a sliding seat, the upper surface of the sliding seat is fixedly connected with a motor, and the motor is fixedly connected with a motor. The output end of the motor is fixedly connected with a stirring rod, the outer wall of the stirring rod is rotatably connected with an annular stirring ring, the top of the stirring rod is provided with a linkage assembly, the linkage assembly is used for driving the annular stirring ring to rotate synchronously, and the annular stirring ring is internally provided with a scraping assembly. According to the reaction kettle disclosed by the utility model, the problems that the inner wall of the reaction kettle is difficult to process, the heat exchange efficiency in the kettle is easily influenced, and the product purity and quality are finally reduced are solved, stable stirring is achieved, the inner wall of the reaction kettle can be removed, scaling is prevented from influencing the heat exchange efficiency, and further stable crystallization treatment is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to crystallization kettle technical field especially relates to a stable crystallization kettle. BACKGROUND

[0002] Crystallization kettle is a kind of core equipment widely used in chemical industry, pharmacy, food industry etc., is mainly used to make the solute in solution precipitate in the form of crystal by the accurate control of temperature, concentration, stirring etc., and obtain high-purity and specific form product.Stable crystallization kettle is designed to optimize stirring system, heating and cooling system, and high-precision temperature control and prevent supersaturation region generation, ensure the uniformity and repeatability of crystallization process, thereby prevent crystal agglomeration, caking or breakage.This kind of equipment is especially crucial for the process needing to strictly control crystal quality (such as crystal type, purity, particle size distribution), helps to improve product quality, optimize production efficiency and reduce process risk, so it is essential in high-demand industrial production.

[0003] Traditional stable crystallization kettle is used, usually first injects raw material solution into kettle, heats up by heating system (such as jacket, coil) to make solute completely dissolve, then utilizes cooling system to accurately cool or by evaporating solvent, makes solution gradually reach supersaturation state, thereby induces crystal precipitation.In this process, stirring system ensures uniform solution by appropriate speed and flow mode, avoids crystal agglomeration or breakage.The whole operation needs to strictly control temperature, pressure and cooling rate, usually carries out in stages (such as dissolution, supersaturation formation, crystal growth and filtration separation), to realize uniform crystallization and obtain high-purity product.

[0004] Traditional crystallization kettle usually adopts paddle or turbine to stir raw materials, so that the inner wall of the reaction kettle is difficult to process, which further easily affects the heat exchange efficiency in the kettle, and leads to uneven distribution of supersaturation region, resulting in problems of different crystal sizes and irregular shapes, ultimately reducing the purity and quality of products. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a stable crystallization kettle, which aims to improve the problem that the inner wall of the kettle is difficult to process in the traditional crystallization kettle, which further easily affects the heat exchange efficiency in the kettle, and ultimately reduces the purity and quality of products.

[0006] In order to achieve the above object, the utility model provides technical schemes as follows: A stable crystallization kettle, including the reation kettle, the bottom of the reation kettle is fixedly connected with a discharging pipe, the top of the reation kettle is fixedly connected with a top plate, the upper surface of the top plate is fixedly connected with a sliding seat, the upper surface of the sliding seat is fixedly connected with a motor, the output end of the motor is fixedly connected with a stirring rod, the outer wall of the stirring rod is rotatably connected with an annular stirring ring, the top of the stirring rod is provided with a linkage assembly, the linkage assembly is used for driving the annular stirring ring to rotate synchronously, the inside of the annular stirring ring is provided with a scraping assembly, and the scraping assembly is used for scraping the inner wall of the reation kettle.

[0007] The scraping assembly includes a scraper, the outer wall of the scraper is slidably connected in the inside of the annular stirring ring, the inside of the scraper is fixedly connected with a telescopic rod, the outer wall of the telescopic rod is sleeved with a spring, and the outer wall of the scraper is slidably connected on the inner wall of the reation kettle.

[0008] Further, the linkage assembly includes a driving wheel, the inside of the driving wheel is fixedly connected with the top of the stirring rod, the inside of the sliding seat is rotatably connected with a linkage wheel, the driving wheel is engaged with the linkage wheel, the top of the annular stirring ring is fixedly connected with a driven wheel, and the linkage wheel is engaged with the driven wheel.

[0009] Further, the top of the reation kettle is provided with a sealing assembly, the sealing assembly is used for sealing the reation kettle, the upper surface of the top plate is fixedly connected with a power supply and a temperature controller, the power supply and the temperature controller are electrically connected, the outer wall of the reation kettle is fixedly connected with an electric heating pipe, the electric heating pipe is electrically connected with the temperature controller, and the outer wall of the reation kettle is fixedly connected with an insulating plate.

[0010] Further, the sealing assembly includes a baffle, the outer wall of the baffle is fixedly connected with the top of the reation kettle, the outer wall of the top plate is rotatably connected with an opening and closing cover, the outer wall of the opening and closing cover is fixedly connected with a sealing strip, and the opening and closing cover is attached with the baffle.

[0011] Further, one end of the telescopic rod is fixedly connected in the inside of the annular stirring ring, and the telescopic rod is used for guiding the telescopic movement of the spring.

[0012] Further, one end of the spring is fixedly connected in the inside of the annular stirring ring, and the other end of the spring is fixedly connected in the inside of the scraper.

[0013] Further, the inside of the insulating plate is made of glass wool material, is used for heat insulation of the electric heating pipe and heat preservation of the inside of the reation kettle.

[0014] Further, the inside of the reation kettle is made of stainless steel material, is used for heat conduction of the heat of the electric heating pipe.

[0015] The utility model has the following beneficial effects:

[0016] 1. In the utility model, firstly, the motor is started to drive the stirring rod to rotate and cooperate with the driving wheel, the connecting wheel and the driven wheel to drive the annular stirring ring to rotate to uniformly stir the raw materials, and meanwhile, the scraper, the telescopic rod and the spring are cooperated to scrape the materials on the inner wall of the reaction kettle, so that the problem that the inner wall of the reaction kettle is difficult to be treated and the heat exchange efficiency in the kettle is easily affected, the product purity and quality are affected and the stable stirring and the removal of the inner wall of the reaction kettle are achieved is solved, and the stable crystallization treatment is realized.

[0017] 2. In the utility model, firstly, the temperature controller is started to cooperate with the power supply, the electric heating tube and the heat insulation plate to heat the raw materials in the reaction kettle, and then the opening and closing cover, the sealing strip and the baffle are cooperated to realize the opening and closing of the reaction kettle, so that the feeding and cleaning are facilitated, the temperature in the reaction kettle is controlled conveniently, the feeding and cleaning are fast and convenient, and the operation efficiency and the production cycle of the equipment are improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A three-dimensional structure schematic view of the stable crystallization kettle is provided for the utility model;

[0019] Figure 2 A reaction kettle internal structure schematic view of the stable crystallization kettle is provided for the utility model;

[0020] Figure 3 An annular stirring ring outer wall structure schematic view of the stable crystallization kettle is provided for the utility model;

[0021] Figure 4 A top plate one side structure schematic view of the stable crystallization kettle is provided for the utility model;

[0022] Figure 5 A heat insulation plate one side structure schematic view of the stable crystallization kettle is provided for the utility model.

[0023] LEGEND:

[0024] 1, reaction kettle; 2, discharging pipe; 3, top plate; 4, sliding seat; 5, motor; 6, driving wheel; 7, connecting wheel; 8, driven wheel; 9, stirring rod; 10, annular stirring ring; 11, scraper; 12, telescopic rod; 13, spring; 14, opening and closing cover; 15, sealing strip; 16, power supply; 17, temperature controller; 18, electric heating tube; 19, heat insulation plate; 20, baffle. DETAILED DESCRIPTION

[0025] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made, belong to the scope of protection of the present application.

[0026] With reference to Figure 1 - Figure 4 The utility model provides an embodiment: a stable crystallization kettle, the bottom fixed connection of reaction kettle 1 has the downcomer 2, the downcomer 2 is used for realizing the quick discharge of crystallization material, can effectively prevent the leakage or jam problem in the process of discharging simultaneously, the top fixed connection of reaction kettle 1 has the top plate 3, the upper surface fixed connection of top plate 3 has the sliding seat 4, the upper surface fixed connection of sliding seat 4 has the motor 5, the output fixed connection of motor 5 has the stirring rod 9, starts motor 5 and drives stirring rod 9 to carry out the full stirring to material, the outer wall rotationally connected of stirring rod 9 has annular stirring ring 10, annular stirring ring 10 can enhance the stirring range, make the stirring effect more uniform, especially in high viscosity or complex solution performance is particularly outstanding, the top of stirring rod 9 is provided with linkage assembly, and the linkage assembly is used for driving annular stirring ring 10 synchronous rotation, the inside of annular stirring ring 10 is provided with scraping assembly, and the scraping assembly is used for scraping the inner wall of reaction kettle 1 and processing;

[0027] Scraping assembly includes the scraper 11, the outer wall sliding connection of scraper 11 is in the inside of annular stirring ring 10, and scraper 11 is made of high strength wear -resisting material, can be used for a long time without deformation under high temperature and high corrosion environment, the inside fixed connection of scraper 11 has the telescopic link 12, and the telescopic link 12 provides flexible support for scraper 11, ensures that it can automatically adjust position according to the shape and operating state of inner wall, the outer wall of telescopic link 12 is sleeved with spring 13, spring 13 provides appropriate resilience, ensures that scraper 11 is always close to the inner wall, thereby realizing stable and efficient wall scraping operation, the outer wall sliding connection of scraper 11 is in the inner wall of reaction kettle 1, linkage assembly includes driving wheel 6, the inside fixed connection of driving wheel 6 is in the top of stirring rod 9, the inside rotationally connected of sliding seat 4 has linkage wheel 7, and driving wheel 6 is engaged with linkage wheel 7, and the top fixed connection of annular stirring ring 10 has driven wheel 8, and linkage wheel 7 is engaged with driven wheel 8, driving wheel 6 is driven to rotate through the rotation of stirring rod 9, and the engagement relationship between driving wheel 6 and linkage wheel 7 is matched, so that linkage wheel 7 rotates in the inside of sliding seat 4 along with the rotation of driving wheel 6, and then the engagement relationship between linkage wheel 7 and driven wheel 8 is matched, so that driven wheel 8 drives annular stirring ring 10 to rotate along with the rotation of linkage wheel 7.

[0028] With reference to Figure 1 ,Figure 4 And Figure 5 The top of the reaction kettle 1 is provided with a sealing assembly for sealing the reaction kettle 1, the upper surface of the top plate 3 is fixedly connected with a power supply 16 and a temperature controller 17, the power supply 16 and the temperature controller 17 are electrically connected, the power supply 16 provides support for the core power of the equipment, and the temperature controller 17 is used for accurately controlling the temperature in the kettle, adapting to complex crystallization process, the outer wall of the reaction kettle 1 is fixedly connected with an electric heating pipe 18, the electric heating pipe 18 is made of high-efficiency heating material, which can provide stable heat output in a short time, the electric heating pipe 18 is electrically connected with the temperature controller 17, the outer wall of the reaction kettle 1 is fixedly connected with a heat insulation plate 19, the heat insulation plate 19 adopts a multilayer composite structure, which can not only prevent heat loss, but also effectively insulate and seal the heat generated by the electric heating pipe 18, the sealing assembly includes a baffle 20 made of high-strength corrosion-resistant material with a sealing strip 15, which can maintain good sealing performance in a high-pressure environment, the outer wall of the baffle 20 is fixedly connected to the top of the reaction kettle 1, the outer wall of the top plate 3 is rotatably connected with an opening and closing cover 14, the outer wall of the opening and closing cover 14 is fixedly connected with a sealing strip 15 made of high-temperature and corrosion-resistant material, which can maintain good sealing effect during opening and closing operation, the opening and closing cover 14 is attached to the baffle 20, one end of the telescopic rod 12 is fixedly connected to the inside of the annular stirring ring 10, the telescopic rod 12 is used for guiding the telescopic movement of the spring 13, one end of the spring 13 is fixedly connected to the inside of the annular stirring ring 10, the other end of the spring 13 is fixedly connected to the inside of the scraper 11, the inside of the heat insulation plate 19 is made of glass wool material, which is used for heat insulation of the electric heating pipe 18 and heat preservation of the inside of the reaction kettle 1, the inside of the reaction kettle 1 is made of stainless steel material, which is used for heat conduction of the heat of the electric heating pipe 18.

[0029] Working principle: when the stable crystallization kettle is needed, first pull the opening and closing cover 14 to rotate on one side of the top plate 3, so as to open the reaction kettle 1, then put the raw materials into the reaction kettle 1, at the same time, when the opening and closing cover 14 is closed, the sealing strip 15 and the baffle 20 are attached, so as to realize the sealing of the reaction kettle 1, then start the temperature controller 17 to make the electric heating tube 18 heat, cooperate with the reaction kettle 1 to heat the raw materials in the reaction kettle 1, then start the motor 5 to drive the stirring rod 9 to rotate, at the same time, through the rotation of the stirring rod 9, the driving wheel 6 is driven to rotate, then cooperate with the connecting wheel 7 to drive the driven wheel 8 to rotate, at this time, through the rotation of the driven wheel 8, the annular stirring ring 10 is driven to rotate reversely on the outer wall of the stirring rod 9, so as to make the stirring rod 9 and the annular stirring ring 10 rotate reversely, realize the uniform stirring of the raw materials, at the same time, through the rotation of the annular stirring ring 10, the scraper 11 is driven to slide on the inner wall of the reaction kettle 1, then through the spring 13, the scraper 11 is pushed to slide in the annular stirring ring 10, so that the scraper 11 stably attaches to the inner wall of the reaction kettle 1, prevents the raw materials from sticking to the inner wall of the reaction kettle 1, realizes stable stirring crystallization, in addition, through the opening and closing of the opening and closing cover 14, the inner wall of the reaction kettle 1 can be conveniently and effectively cleaned.

[0030] Finally, it should be pointed out that: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model is described in detail by referring to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A stable crystallization tank comprising a reactor tank (1), characterized in that: The bottom of the reactor (1) is fixedly connected with a discharging pipe (2), the top of the reactor (1) is fixedly connected with a top plate (3), the upper surface of the top plate (3) is fixedly connected with a sliding seat (4), the upper surface of the sliding seat (4) is fixedly connected with a motor (5), the output end of the motor (5) is fixedly connected with a stirring rod (9), the outer wall of the stirring rod (9) is rotatably connected with an annular stirring ring (10), the top of the stirring rod (9) is provided with a linkage assembly, the linkage assembly is used for driving the annular stirring ring (10) to rotate synchronously, the inside of the annular stirring ring (10) is provided with a scraping assembly, and the scraping assembly is used for scraping the inner wall of the reactor (1). The scraping assembly comprises a scraper (11), the outer wall of the scraper (11) is slidably connected in the inside of the annular stirring ring (10), the inside of the scraper (11) is fixedly connected with a telescopic rod (12), the outer wall of the telescopic rod (12) is sleeved with a spring (13), and the outer wall of the scraper (11) is slidably connected with the inner wall of the reactor (1).

2. The stable crystallization kettle according to claim 1, wherein: The linkage assembly comprises a driving wheel (6), the inside of the driving wheel (6) is fixedly connected with the top of the stirring rod (9), the inside of the sliding seat (4) is rotatably connected with a linkage wheel (7), the driving wheel (6) is engaged with the linkage wheel (7), the top of the annular stirring ring (10) is fixedly connected with a driven wheel (8), and the linkage wheel (7) is engaged with the driven wheel (8).

3. The stable crystallization kettle according to claim 1, wherein: The top of the reactor (1) is provided with a sealing assembly, the sealing assembly is used for sealing the reactor (1), the upper surface of the top plate (3) is fixedly connected with a power supply (16) and a temperature controller (17), the power supply (16) and the temperature controller (17) are electrically connected, the outer wall of the reactor (1) is fixedly connected with an electric heating pipe (18), the electric heating pipe (18) is electrically connected with the temperature controller (17), and the outer wall of the reactor (1) is fixedly connected with a heat insulation plate (19).

4. The stable crystallization kettle according to claim 3, wherein: The sealing assembly comprises a baffle (20), the outer wall of the baffle (20) is fixedly connected with the top of the reactor (1), the outer wall of the top plate (3) is rotatably connected with an opening and closing cover (14), the outer wall of the opening and closing cover (14) is fixedly connected with a sealing strip (15), and the opening and closing cover (14) is attached to the baffle (20).

5. The stable crystallization kettle of claim 1, wherein: One end of the telescopic rod (12) is fixedly connected in the inside of the annular stirring ring (10), and the telescopic rod (12) is used for guiding the expansion of the spring (13).

6. The stable crystallization kettle of claim 1, wherein: One end of the spring (13) is fixedly connected in the inside of the annular stirring ring (10), and the other end of the spring (13) is fixedly connected in the inside of the scraper (11).

7. The stable crystallization kettle of claim 3, wherein: The inside of the heat insulation plate (19) is made of glass wool material, which is used for heat insulation of the electric heating pipe (18) and heat preservation of the inside of the reactor (1).

8. The stable crystallization kettle of claim 3, wherein: The inside of the reactor (1) is made of stainless steel material, which is used for heat conduction of the heat of the electric heating pipe (18).

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