Secondary crystallizer
By designing a secondary crystallizer including a cylinder, a feed tube, a tapered part and a spherical head, the rotation state formed by the vortex current is solved, and the crystal forming instability and inconsistent shape in the existing crystallizer is achieved, and the stable, regular and consistent effects of crystal forming are achieved.
Patent Information
- Application Number
- CN202421257784.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-04
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-06-04
AI Technical Summary
The crystals formed by existing crystals vary in size and shape, and the feed tubes of the static crystals are prone to be unstable, resulting in poor crystal formation stability.
A secondary crystallizer is designed, including a cylinder, a feed tube, a tapered part and a spherical head. The lower end of the feed tube is facing the spherical head, forming a vortex to fully mix and crystallize. The crystal circulates along the spherical head and the inner wall of the cylinder during the forming process, and maintains a rotating state.
The stability, regularity and consistency of crystal forming are achieved, no mixing equipment is required, and the equipment is environmentally friendly, safe and energy-saving.
Smart Images

Figure CN222765698U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of crystallizers, in particular to a secondary crystallizer. Background Art
[0002] The crystals formed by ordinary crystallizers are of different sizes and shapes, and thickeners and other stirring equipment are needed to help the crystals grow. Some static crystallizers have long feed pipes, which have a large impact when liquid is introduced, and the feed pipes are prone to instability and shaking, resulting in poor stability in crystal formation. Therefore, a new technical solution is urgently needed to solve at least one of the above technical problems. Summary of the invention
[0003] The utility model aims to provide a secondary crystallizer which can quickly crystallize, the crystal shape is consistent and regular spherical, the crystal formation is stable, and it is environmentally friendly, safe and energy-saving.
[0004] In order to achieve the above technical objectives and meet the above technical requirements, the technical solution adopted by the utility model is: a secondary crystallizer, characterized in that it includes a cylinder, a feed pipe fixedly inserted in the cylinder, at least one feed port is arranged on the outer periphery of the upper part of the feed pipe, a tapered portion is arranged at the lower end of the cylinder, a spherical head is arranged at the lower end of the tapered portion, the lower end of the feed pipe faces the spherical head, the feed port is connected with the feed pipe, the interior of the cylinder, the interior of the tapered portion and the interior of the spherical head are connected in sequence to form an inner cavity, a lower crystallization outlet pipe connected with the inner cavity is arranged on the outer periphery of the cylinder, and an upper fixed component and a lower fixed component are arranged on the feed pipe.
[0005] As a preferred technical solution, the upper fixing assembly includes an upper fixing sleeve sleeved on the feed pipe, and a plurality of upper connecting ribs radially arranged on the outer peripheral side of the upper fixing sleeve, and the upper connecting ribs are fixedly connected to the inner wall of the cylinder.
[0006] As a preferred technical solution, the lower fixing assembly includes a lower fixing sleeve sleeved on the lower part of the feed pipe, and a plurality of lower connecting ribs radially arranged on the outer peripheral side of the lower fixing sleeve, the lower connecting ribs are fixedly connected to the inner wall of the cylinder, and the upper fixing sleeve is located above the lower fixing sleeve.
[0007] As a preferred technical solution, an upper crystallization outlet pipe communicating with the inner cavity is inserted on the outer peripheral side of the upper portion of the cylinder.
[0008] As a preferred technical solution, the distance between the lower end of the feed pipe and the lowest point of the inner wall of the spherical head is 200-250 mm.
[0009] As a preferred technical solution, a connecting ring is sleeved on the outer circumference of the cylinder, and a plurality of ear seats are arranged on the outer circumference of the connecting ring.
[0010] As a preferred technical solution, an inspection hole is provided on the outer peripheral side of the tapered portion.
[0011] As a preferred technical solution, the outer end of the lower connecting rib is inclined downward, and the angle between the lower connecting rib and the horizontal plane is 30°-45°.
[0012] As a preferred technical solution, one end of the upper crystallization outlet pipe located in the inner cavity is oblique.
[0013] The beneficial effects of the utility model are:
[0014] 1) The saturated salt solution enters the feed pipe from the feed port, and the feed pipe faces the spherical head. Due to the shape of the spherical head, the saturated salt solution will form a vortex and roll upward from the spherical head, so that the solution is fully mixed, crystallized, and grown. During the forming process, the crystals circulate continuously along the spherical head and the inner wall of the cylinder. The crystals are always in a rotating state, and the crystals are stably formed, regular, and consistent in shape;
[0015] 2) The upper fixing sleeve and the lower fixing sleeve provide fixed support for the feed pipe, so that the feed pipe has good stability during feeding;
[0016] 3) The upper crystal outlet pipe can discharge the crystals at the upper part of the inner cavity;
[0017] 4) When the distance between the lower end of the feed pipe and the lowest point of the inner wall of the spherical head is less than 200 mm or greater than 250 mm, the solution tumbling effect is not good;
[0018] 5) The ear seat facilitates the installation and fixation of the cylinder;
[0019] 6) Inspection hole is convenient for staff to check the inside of the cylinder;
[0020] 7) The lower connecting ribs form an oblique support with good support effect;
[0021] 8) The bevel of the upper crystallization outlet pipe facilitates the discharge of crystals. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a structural diagram of a secondary crystallizer provided by an embodiment of the utility model.
[0023] exist Figure 1 Among them, 1. cylinder; 101. conical part; 102. spherical head; 103. inner cavity; 2. feed pipe; 201. feed port; 3. lower crystallization outlet pipe; 4. upper fixing sleeve; 5. upper connecting rib; 6. lower fixing sleeve; 7. lower connecting rib; 8. upper crystallization outlet pipe; 9. connecting ring; 10. ear seat; 11. inspection hole. DETAILED DESCRIPTION
[0024] The utility model is further described below in conjunction with the accompanying drawings.
[0025] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "head", "tail", "top", "bottom", "left", "right", "front", "back", "inside", "outside", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.
[0026] See also Figure 1 The utility model provides a secondary crystallizer, comprising a cylinder 1, a feed pipe 2 fixedly inserted in the cylinder 1, at least one feed port 201 is arranged on the outer periphery of the upper part of the feed pipe 2, a tapered portion 101 is arranged at the lower end of the cylinder 1, a spherical head 102 is arranged at the lower end of the tapered portion 101, the lower end of the feed pipe 2 faces the spherical head 102, the feed port 201 is connected with the feed pipe 2, the interior of the cylinder 1, the interior of the tapered portion 101 and the interior of the spherical head 102 are connected in sequence to form an inner cavity 103, a lower crystallization outlet pipe 3 connected with the inner cavity 103 is arranged on the outer periphery of the cylinder 1, and an upper fixed component and a lower fixed component are arranged on the feed pipe 2.
[0027] The saturated salt solution enters the feed pipe 2 from the feed port 201, and the feed pipe 2 faces the spherical head 102. Due to the shape of the spherical head 102, the saturated salt solution will form a vortex and roll upward from the spherical head 102, so that the solution is fully mixed, crystallized, and grown. During the forming process, the crystals continuously circulate along the spherical head 102 and the inner wall of the cylinder 1, and the crystals are always in a rotating state. The crystals are stably formed, regular, and consistent in shape. No stirring equipment is required, which is environmentally friendly, safe, and energy-saving.
[0028] like Figure 1 As shown, the upper fixing assembly includes an upper fixing sleeve 4 sleeved on the feed pipe 2, and a plurality of upper connecting ribs 5 radially arranged on the outer peripheral side of the upper fixing sleeve 4, the upper connecting ribs 5 are fixedly connected to the inner wall of the cylinder 1, and the upper fixing sleeve 4 provides fixed support for the feed pipe 2, so that the feed pipe 2 has good stability during feeding.
[0029] like Figure 1As shown, the lower fixing assembly includes a lower fixing sleeve 4 sleeved on the lower part of the feed pipe 2, and a plurality of lower connecting ribs 7 radially arranged on the outer peripheral side of the lower fixing sleeve 6, the lower connecting ribs 7 are fixedly connected to the inner wall of the cylinder 1, the upper fixing sleeve 4 is located above the lower fixing sleeve 6, and the lower fixing sleeve 6 fixes and supports the feed pipe 2, so that the feed pipe 2 has good stability during feeding.
[0030] like Figure 1 As shown, an upper crystal outlet pipe 8 communicating with the inner cavity 103 is inserted into the outer peripheral side of the upper portion of the cylinder 1 , and the upper crystal outlet pipe 8 can discharge the crystals at the upper portion of the inner cavity 103 .
[0031] like Figure 1 As shown, the distance between the lower end of the feed pipe 2 and the lowest point of the inner wall of the spherical head 102 is 200-250 mm. When the distance between the lower end of the feed pipe 2 and the lowest point of the inner wall of the spherical head 102 is less than 200 mm or greater than 250 mm, the solution tumbling effect is not good.
[0032] like Figure 1 As shown, a connecting ring 9 is sleeved on the outer circumference of the cylinder 1, and a plurality of ear seats 10 are arranged on the outer circumference of the connecting ring 9. Generally, there are four ear seats 10 which are evenly arranged around the circumference, so as to better fix the cylinder 1.
[0033] like Figure 1 As shown, an inspection hole 11 is provided on the outer peripheral side of the tapered portion 101 , and the inspection hole 11 is convenient for workers to inspect the interior of the cylinder 1 .
[0034] like Figure 1 As shown, the outer end of the lower connecting rib 7 is inclined downward, and the angle between the lower connecting rib 7 and the horizontal plane is 30°-45°. Optimally, the angle between the lower connecting rib 7 and the horizontal plane is 30°, and the lower connecting rib 7 forms an oblique support with a good supporting effect.
[0035] like Figure 1 As shown, the upper crystallization outlet pipe 8 is located at one end of the inner cavity 103 and has an oblique opening, and the lower crystallization outlet pipe 3 is located at one end of the inner cavity 103 and has an oblique opening. The oblique opening of the upper crystallization outlet pipe 8 facilitates the discharge of crystals.
[0036] The above embodiments are merely descriptions for clearly illustrating the present invention, and are not limitations on the implementation methods. For technicians in the relevant field, other different forms of changes or modifications can be made based on the above descriptions. It is not necessary and impossible to list all the implementation methods here, and the obvious changes or modifications derived therefrom are still within the scope of protection of the present invention.
Claims
1. A secondary crystallizer, characterized in that: It includes a cylinder body and a feed pipe fixedly inserted in the cylinder body, wherein at least one feed port is arranged on the outer periphery of the upper part of the feed pipe, a tapered portion is arranged at the lower end of the cylinder body, a spherical head is arranged at the lower end of the tapered portion, the lower end of the feed pipe faces the spherical head, the feed port is connected with the feed pipe, the interior of the cylinder body, the interior of the tapered portion and the interior of the spherical head are connected in sequence to form an inner cavity, a lower crystallization outlet pipe connected with the inner cavity is arranged on the outer periphery of the cylinder body, and an upper fixed component and a lower fixed component are arranged on the feed pipe.
2. A secondary crystallizer according to claim 1, characterized in that: The upper fixing assembly includes an upper fixing sleeve sleeved on the feed pipe, and a plurality of upper connecting ribs radially arranged on the outer peripheral side of the upper fixing sleeve, wherein the upper connecting ribs are fixedly connected to the inner wall of the cylinder.
3. A secondary crystallizer according to claim 2, characterized in that: The lower fixing assembly includes a lower fixing sleeve sleeved on the lower part of the feed pipe, and a plurality of lower connecting ribs radially arranged on the outer peripheral side of the lower fixing sleeve, the lower connecting ribs are fixedly connected to the inner wall of the cylinder, and the upper fixing sleeve is located above the lower fixing sleeve.
4. A secondary crystallizer according to claim 1, characterized in that: An upper crystallization outlet pipe communicating with the inner cavity is inserted on the outer peripheral side of the upper part of the cylinder.
5. A secondary crystallizer according to claim 1, characterized in that: The distance between the lower end of the feed pipe and the lowest point of the inner wall of the spherical head is 200-250 mm.
6. A secondary crystallizer according to claim 1, characterized in that: A connecting ring is sleeved on the outer peripheral side of the cylinder, and a plurality of ear seats are arranged on the outer peripheral side of the connecting ring.
7. A secondary crystallizer according to claim 1, characterized in that: An inspection hole is arranged on the outer peripheral side of the tapered portion.
8. A secondary crystallizer according to claim 3, characterized in that: The outer end of the lower connecting rib is inclined downward, and the angle between the lower connecting rib and the horizontal plane is 30°-45°.
9. A secondary crystallizer according to claim 4, characterized in that: One end of the upper crystallization outlet pipe located in the inner cavity is an oblique opening.