Tubular crystallizer with low CV value

Abstract

The utility model discloses a low CV value tubular crystallizer which comprises a base, a mounting plate is arranged above the base, a crystallizer body is arranged at the upper end of the mounting plate, a plurality of symmetrically-arranged fixing rods are arranged at the upper end of the mounting plate, and a fixing ring is arranged at the upper ends of the fixing rods jointly. And a plurality of inner threaded pipes are rotatably connected between the inner wall and the outer wall of the fixing ring in a penetrating mode, threaded rods are connected into the multiple inner threaded pipes in a penetrating and threaded mode, and clamping plates are arranged at the tail ends of the multiple threaded rods. The threaded rods move to push the clamping plates to move, so that the multiple clamping plates make contact with the outer wall of the crystallizer body, the crystallizer body is fixed, and the stability of the crystallizer body during placement is fully guaranteed; the stable fixing mode can prevent the crystallization process from being influenced by shaking or displacement of the crystallizer body in the working process, ensures the stability of the crystallization environment, is beneficial to uniform growth of crystals, and plays a positive role in reducing the CV value.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of tubular crystallizer, especially to a low CV value tubular crystallizer. BACKGROUND

[0002] The tubular crystallizer is a kind of crystallization equipment for chemical production, mainly used for continuous crystallization process, and its main features are relatively narrow residence time distribution and relatively high production efficiency.In the continuous crystallization process, material continuously flows in the tubular crystallizer, avoiding the batch difference in batch crystallization, thereby improving production efficiency and product quality.

[0003] The crystalline particle size distribution range is an important indicator for measuring the performance of the tubular crystallizer, usually represented by average particle size and coefficient of variation (CV value).The larger the CV value, the wider the particle size distribution range;The smaller the CV value, the narrower the particle size distribution range.

[0004] The low CV value tubular crystallizer in the prior art does not generally have a stabilizing device when installed, so that the stability of the crystallizer after installation cannot be guaranteed;And the device for installing the crystallizer in the prior art does not have a buffering device to reduce the shock resistance of the crystallizer.

[0005] In summary, the existing low CV value tubular crystallizer needs to be improved. UTILITY MODEL CONTENT

[0006] The utility model discloses a kind of low CV value tubular crystallizers, including base, the base top is equipped with mounting plate, the mounting plate upper end is equipped with crystallizer body, the mounting plate upper end is equipped with multiple symmetrical fixed rods, multiple The fixed rod upper end is equipped with fixed ring in common, multiple internally threaded pipes are rotatably connected between the inner and outer walls of the fixed ring, multiple The internally threaded pipe is threaded with threaded rod in common, multiple The threaded rod tail end is equipped with clamping plate, the fixed ring lower side is equipped with rotating mechanism for rotating multiple internally threaded pipes, the base upper end is equipped with connecting mechanism for connecting mounting plate.

[0007] To achieve the above object, the utility model adopts the following technical scheme:

[0008] A kind of low CV value tubular crystallizer, including base, the base top is equipped with mounting plate, the mounting plate upper end is equipped with crystallizer body, the mounting plate upper end is equipped with multiple symmetrical fixed rods, multiple The fixed rod upper end is equipped with fixed ring in common, multiple internally threaded pipes are rotatably connected between the inner and outer walls of the fixed ring, multiple The internally threaded pipe is threaded with threaded rod in common, multiple The threaded rod tail end is equipped with clamping plate, the fixed ring lower side is equipped with rotating mechanism for rotating multiple internally threaded pipes, the base upper end is equipped with connecting mechanism for connecting mounting plate.

[0009] Preferably, the rotating mechanism comprises a supporting ring arranged below the fixed ring, and a bevel gear ring is arranged at the upper end of the supporting ring, and the outer wall of each of the plurality of inner threaded pipes is provided with a bevel gear meshing with the bevel gear ring.

[0010] Preferably, the connecting mechanism comprises a plurality of rotating seats arranged in a circumferential direction at the upper end of the base, and each of the plurality of rotating seats is rotatably connected with a connecting plate, and a torsion spring is arranged at the rotatable connection between the connecting plate and the rotating seat.

[0011] Preferably, a fixed block is arranged at the upper end of each of the plurality of connecting plates, a plurality of sleeves are arranged at the lower end of the mounting plate, each of the plurality of fixed blocks is located in one of the plurality of sleeves, and each of the plurality of fixed blocks and the mounting plate is elastically connected by a spring.

[0012] Preferably, a connecting block is arranged at the outer wall of each of the plurality of fixed rods, the supporting ring is rotatably connected to the side wall of each of the plurality of connecting blocks, and a plurality of handles are arranged on the outer wall of the supporting ring.

[0013] Preferably, two limiting rods are arranged on the side wall of each of the plurality of clamping plates, and each of the plurality of limiting rods penetrates the fixed ring and is slidably connected to the fixed ring.

[0014] The utility model discloses the beneficial effect:

[0015] 1. By making the threaded rod move to push the clamping plate to move, so that a plurality of clamping plates contact with the outer wall of the crystallizer body, realize the fixation of the crystallizer body, fully guarantee the stability of the crystallizer body when placing, this kind of stable fixing mode can prevent the crystallizer body from being affected in the working process due to the shaking or displacement and influence the crystallization process, ensure the stability of crystallization environment, be favorable to the uniform growth of crystal, and have positive effect on reducing CV value.

[0016] 2. By the torsion spring between the rotating seat at the upper end of the base and the connecting plate rotatable connection, and the elastic connection between the fixed block at the upper end of the connecting plate and the mounting plate, the mounting plate is supported and buffered at the same time, to avoid the vibration generated directly acting on the crystallizer body, improve the shock resistance of the crystallizer body, and the stable working environment is helpful for the crystal growth process not to be disturbed, reduces the uneven growth conditions such as crystal drop-off, collision caused by vibration, thereby being favorable to maintaining lower CV value. DRAWINGS

[0017] Figure 1 It is the overall structure of the utility model overhead schematic diagram;

[0018] Figure 2 It is the overall structure of the utility model main view schematic diagram;

[0019] Figure 3 It is the partial structure section view schematic diagram of the utility model.

[0020] Figure 4 It is the crystallizer body internal structure schematic view of the utility model.

[0021] In the figure: 1 base, 2 mounting plate, 3 crystallizer body, 4 fixed rod, 5 fixed ring, 6 inner threaded pipe, 7 clamping plate, 8 threaded rod, 9 bevel gear, 10 bevel gear ring, 11 limit rod, 12 support ring, 13 rotating base, 14 connecting plate, 15 sleeve, 16 fixed block, 17 spring. DETAILED DESCRIPTION

[0022] 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, not all the embodiments.

[0023] In the description of the utility model, it needs to be understood that the orientation or position relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.

[0024] Reference Figures 1-4 A low CV value tubular crystallizer, comprising a base 1, a mounting plate 2 is arranged above the base 1, a crystallizer body 3 is arranged at the upper end of the mounting plate 2, a plurality of fixed rods 4 are symmetrically arranged at the upper end of the mounting plate 2, a fixed ring 5 is arranged at the upper end of the plurality of fixed rods 4, a plurality of inner threaded pipes 6 are rotatably connected between the inner and outer walls of the fixed ring 5, a threaded rod 8 is threadedly connected in each of the plurality of inner threaded pipes 6, and a clamping plate 7 is arranged at the end of each of the plurality of threaded rods 8.

[0025] The crystallizer body 3 is composed of a shell and a crystallization tank, and a cooling pipe is wound on the outer wall of the crystallization tank, and the cooling pipe is arranged in a spiral shape.

[0026] A rotating mechanism for rotating the plurality of inner threaded pipes 6 is arranged below the fixed ring 5, the rotating mechanism comprises a support ring 12 arranged below the fixed ring 5, a bevel gear ring 10 is arranged at the upper end of the support ring 12, a bevel gear 9 is arranged on the outer wall of each of the plurality of inner threaded pipes 6 and engaged with the bevel gear ring 10, the threaded rod 8 is moved to push the clamping plate 7 to move, so that the plurality of clamping plates 7 are in contact with the outer wall of the crystallizer body 3, the crystallizer body 3 is fixed, and the stability of the crystallizer body 3 when placed is fully guaranteed.

[0027] The stable fixing mode can prevent the crystallizer body 3 from affecting the crystallization process due to shaking or displacement during operation, ensure the stability of the crystallization environment, and be favorable to uniform crystal growth and reduction of CV value.

[0028] The base 1 is provided with a connecting mechanism for connecting the mounting plate 2, and the connecting mechanism comprises a plurality of rotating seats 13 arranged circumferentially on the upper end of the base 1, and a connecting plate 14 is rotatably connected to each rotating seat 13.

[0029] The upper end of each connecting plate 14 is provided with a fixing block 16, the lower end of the mounting plate 2 is provided with a plurality of sleeves 15, and each fixing block 16 is located in a sleeve 15.

[0030] The outer wall of each fixed rod 4 is provided with a connecting block, and the supporting ring 12 is rotatably connected to the side wall of the connecting block.

[0031] The side wall of each clamping plate 7 is provided with two limiting rods 11, and each pair of limiting rods 11 penetrates through the fixed ring 5 and is slidably connected to the fixed ring 5.

[0032] In use, the outer wall of the crystallization tank of the crystallizer body 3 is wound with a spiral cooling pipe, which enables the cooling medium to flow in the pipe and uniformly exchange heat with the solution in the crystallization tank. The uniform cooling process helps the crystal to be affected by a relatively consistent temperature during growth, thereby promoting uniform crystal growth and reducing the phenomenon of uneven crystal particle size caused by temperature difference, and further helping to reduce the CV value. When the crystallizer body 3 is installed, the crystallizer body 3 is placed on the mounting plate 2, the handle is pushed to drive the supporting ring 12 to rotate, the supporting ring 12 drives the bevel gear ring 10 to rotate, the plurality of bevel gears 9 are driven to rotate by the bevel gear ring 10, the threaded rod 8 is moved to drive the clamping plate 7 to move under the threaded connection between the inner threaded pipe 6 and the threaded rod 8 and the limiting action of the two limiting rods 11 on the clamping plate 7, so that the plurality of clamping plates 7 contact the outer wall of the crystallizer body 3, the crystallizer body 3 is fixed, and the stability of the crystallizer body 3 during placement is fully ensured.

[0033] And through the base 1 upper end rotating seat 13 and connecting plate 14 between the rotating connection place torsion spring under the action, and connecting plate 14 upper end fixed block 16 and mounting plate 2 between spring 17 elastic connection, to the mounting plate 2 support at the same time, to the mounting plate 2 buffer, avoid the vibration generated directly on the crystallizer body 3, improve the anti shock performance of crystallizer body 3.

[0034] The above only for the preferred specific embodiments of the present application, but the scope of protection of the present application is not limited to this, any skilled in the art of the technical personnel in the present application disclosed in the technical range, according to the technical scheme of the present application and the utility model concept to equivalent replacement or change, should be covered in the scope of protection of the present application.

Claims

1. A low CV value tubular crystallizer, characterized in that: The device includes a base (1), an mounting plate (2) on top of the base (1), a crystallizer body (3) on the upper end of the mounting plate (2), the crystallizer body (3) being composed of a shell and a crystallization tank, a cooling pipe wound around the outer wall of the crystallization tank, the cooling pipe being spirally arranged, a plurality of symmetrically arranged fixing rods (4) on the upper end of the mounting plate (2), a fixing ring (5) on the upper end of the plurality of fixing rods (4), a plurality of internally threaded tubes (6) being rotatably connected between the inner and outer walls of the fixing ring (5), a threaded rod (8) being threadedly connected through the plurality of internally threaded tubes (6), a clamping plate (7) on the end of the plurality of threaded rods (8), a rotating mechanism for rotating the plurality of internally threaded tubes (6) below the fixing ring (5), and a connecting mechanism for connecting the mounting plate (2) on the upper end of the base (1).

2. A low CV value tubular crystallizer according to claim 1, characterized in that: The rotating mechanism includes a support ring (12) located below the fixed ring (5), and a bevel gear ring (10) is provided at the upper end of the support ring (12). The outer walls of the plurality of internally threaded pipes (6) are provided with bevel gears (9) that mesh with the bevel gear ring (10).

3. A low CV value tubular crystallizer according to claim 2, characterized in that: The connecting mechanism includes multiple circumferentially arranged rotating seats (13) on the upper end of the base (1), and a connecting plate (14) is rotatably connected to each of the multiple rotating seats (13). A torsion spring is provided at the rotatable connection between the connecting plate (14) and the rotating seat (13).

4. A low CV value tubular crystallizer according to claim 3, characterized in that: The upper end of each of the multiple connecting plates (14) is provided with a fixing block (16), and the lower end of the mounting plate (2) is provided with multiple sleeves (15). The multiple fixing blocks (16) are located inside the multiple sleeves (15), and the multiple fixing blocks (16) and the mounting plate (2) are elastically connected by springs (17).

5. A low CV value tubular crystallizer according to claim 4, characterized in that: The outer walls of the multiple fixed rods (4) are provided with connecting blocks, and the support ring (12) is rotatably connected to the side walls of the multiple connecting blocks. The outer walls of the support ring (12) are provided with multiple handles.

6. A low CV value tubular crystallizer according to claim 5, characterized in that: Each of the clamps (7) has two limiting rods (11) on its sidewalls, and the multiple pairs of limiting rods (11) pass through the fixing ring (5) and are slidably connected to it.

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