Novel tubular continuous crystallization reactor
By designing rotating blades and stirring blades in a tubular continuous crystallization reactor, the conversion of material kinetic energy and the automatic addition of pH adjuster are realized, solving the problem of insufficient automation in the existing technology and improving the automation level of the equipment and the accuracy of the crystallization process.
Patent Information
- Application Number
- CN202520020990.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-06
AI Technical Summary
Existing tubular continuous crystallization reactors cannot automatically add pH adjusters, resulting in cumbersome operation and limiting the automation process and functionality of the equipment.
A novel tubular continuous crystallization reactor was designed. By combining rotating blades and stirring blades, the kinetic energy of the material is converted into mechanical energy, enabling the automatic addition of pH adjuster, avoiding precipitation, and achieving automatic mixing of material and adjuster through internal structure.
It enables automatic addition of pH adjuster, reduces labor intensity, improves the automation level of equipment and the accuracy of crystallization process, and reduces energy consumption and cost.
Smart Images

Figure CN223716410U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to crystallization reactor technical field especially relates to a novel tubular continuous crystallization reactor. BACKGROUND
[0002] The tubular continuous crystallization reactor is a kind of equipment for continuously carrying out crystallization process, and material is continuously crystallized in pipe under certain conditions. First, a certain concentration of material solution is introduced into crystallization pipe through feed pipe, and in the crystallization pipe, the temperature, pressure and other parameters of the material are controlled within a certain range, and the material is gradually formed into crystalline in the pipe by introducing crystallization seed and other ways.
[0003] In the prior art, the common tubular continuous crystallization reactor generally has the problem of single structure. Specifically, when it is necessary to add materials such as PH regulator, the conventional tubular continuous crystallization reactor usually cannot realize good linkage with itself, which leads to difficulty in automatic addition of materials such as PH regulator in actual operation process, greatly limiting the automation process of the equipment. Due to the lack of such automatic addition function, the operator often needs to carry out tedious manual addition operation, increasing the labor intensity. The structural limitation makes the equipment have obvious deficiency in automation degree and lack of functionality, which cannot meet the demand of modern industry for efficient and accurate production.
[0004] In order to effectively overcome the above problems, enrich the structure of tubular continuous crystallization reactor, and significantly improve its practicability, after in-depth research and innovative design, a novel tubular continuous crystallization reactor is particularly pushed out. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims at solving the shortcomings in the prior art and provides a novel tubular continuous crystallization reactor.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0007] A novel tubular continuous crystallization reactor, comprising a reaction device, the reaction device is provided with supporting legs, a feed pipe, a storage tank and a discharge pipe, the feed pipe is provided with an extension pipe, the extension pipe is internally provided with three chambers, a rotating shaft extending into the left chamber is rotatably arranged in the feed pipe, rotating vanes are mounted on the rotating shaft, a reciprocating screw connected with the rotating shaft is arranged in the middle chamber, a piston plate is arranged in the right chamber, the piston plate is connected with the reciprocating screw through a linking mechanism, a transmission shaft extending to the outside of the storage tank is arranged in the storage tank, the rotating shaft is connected with the transmission shaft through a rotating mechanism, stirring vanes are arranged on the transmission shaft, a suction pipe in the storage tank is mounted on the extension pipe, and a discharge pipe communicating with the feed pipe is arranged on the extension pipe.
[0008] Preferably, the connecting mechanism comprises a connecting frame with a threaded sleeve mounted on the reciprocating screw, and the connecting frame is integrally designed in a U shape and the end is fixedly connected with the piston plate.
[0009] Preferably, the rotating mechanism comprises pulleys mounted on the rotating shaft and the transmission shaft, and the two pulleys are connected through a belt.
[0010] Preferably, the extension pipe is provided with an opening corresponding to the belt.
[0011] Preferably, the suction pipe and the discharge pipe are both provided with valves, and the two valves are both one-way valves.
[0012] Preferably, the inner wall of the feeding pipe is provided with a baffle corresponding to the discharge pipe.
[0013] The utility model discloses the beneficial effects of:
[0014] 1. The material flows in the feeding pipe and impacts the rotating blade, drives the rotating shaft to rotate, converts the kinetic energy of the material into mechanical energy, realizes the effective utilization of energy, and reduces the additional energy consumption.
[0015] 2. The stirring blade on the transmission shaft stirs the material and the PH regulator in the storage tank, avoids the precipitation of the PH regulator components, ensures the accuracy and stability of the regulator addition, and is beneficial to the crystallization process under the accurate pH condition.
[0016] 3. The automatic addition of the PH regulator is realized by the power transmission of the equipment itself, without additional power source, simplifying the operation process and reducing the cost. DRAWINGS
[0017] Figure 1 The utility model provides a structure diagram of a novel tubular continuous crystallization reactor;
[0018] Figure 2 The vertical section structure schematic diagram of Figure 1 ;
[0019] Figure 3 The structure enlarged schematic diagram of A of Figure 2 ;
[0020] In the drawing: 1 reaction equipment, 2 support leg, 3 feeding pipe, 4 extension pipe, 5 storage tank, 6 suction pipe, 7 discharge pipe, 8 discharge pipe, 9 rotating shaft, 10 rotating blade, 11 chamber, 12 reciprocating screw, 13 piston plate, 14 connecting frame, 15 transmission shaft, 16 stirring blade, 17 pulley, 18 belt, 19 baffle. DETAILED DESCRIPTION
[0021] 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.
[0022] Referring to Figures 1-3 A novel tubular continuous crystallization reactor comprises a reaction device 1, which is provided with supporting legs 2, a feed pipe 3, a storage tank 5 and a discharge pipe 8. The core of the reaction device 1 is composed of a series of continuous crystallization tubes. Some auxiliary structures are arranged inside the crystallization tubes to promote crystallization. In order to realize different crystallization modes (such as cooling crystallization or evaporation crystallization), the reaction device 1 needs to be equipped with a temperature control system. This includes heating devices (such as electric heating wires, heat exchangers, etc.) and cooling devices (such as jacket cooling, cooling liquid circulation pipelines, etc.). Temperature sensors are installed at different positions of the crystallization tubes for real-time monitoring of temperature changes. The reaction device 1 also includes a pressure control system for adjusting the pressure in the crystallization tubes. Pressure monitoring components (such as pressure sensors) are also installed at appropriate positions of the crystallization tubes for real-time monitoring of pressure changes in the tubes. The reaction device 1 has an outer shell, which mainly plays a protective role. In order to prevent the pipes from deforming under the influence of high temperature, high pressure or their own weight, etc., some internal support structures are arranged inside the crystallization tubes. The above components are replaced by the reaction device 1 in the present scheme, and the specific structure and working principle can be referred to the prior art.
[0023] The feed pipe 3 is the main channel for the material to enter, which is usually made of high-strength and corrosion-resistant materials to ensure that it can stably withstand the pressure and flow impact of the material during long-term use.
[0024] The feed pipe 3 is provided with an extension pipe 4, which has a unique internal structure and is provided with three chambers 11 inside. The three chambers 11 respectively undertake specific functions. A rotating shaft 9 extending into the left chamber 11 is arranged in the feed pipe 3, and a rotating blade 10 is installed on the rotating shaft 9. When the material flows through the feed pipe 3, it will impact the rotating blade 10, thereby driving the rotating shaft 9 to rotate, effectively converting the kinetic energy of the material into mechanical energy of the rotating shaft 9.
[0025] A reciprocating screw 12 connected with the rotating shaft 9 is arranged in the middle chamber 11. When the rotating shaft 9 rotates, the reciprocating screw 12 will also rotate.
[0026] The right chamber 11 is provided with a piston plate 13, the piston plate 13 is connected with the reciprocating screw 12 through a connecting mechanism, the connecting mechanism comprises a connecting frame 14 which is sleeved and arranged on the reciprocating screw 12 in a threaded mode, the connecting frame 14 is designed in a U shape as a whole and is fixedly connected with the piston plate 13 at the end, when the reciprocating screw 12 rotates, the connecting frame 14 drives the piston plate 13 to reciprocate in the chamber 11 due to the threaded mode.
[0027] The storage tank 5 contains a PH regulator for adjusting the acidity and alkalinity of the material to meet the specific requirements of the crystallization process.
[0028] The storage tank 5 is provided with a transmission shaft 15 extending to the outside of the storage tank 5, the rotating shaft 9 is connected with the transmission shaft 15 through a rotating mechanism, the rotating mechanism comprises a belt wheel 17 which is arranged on the rotating shaft 9 and the transmission shaft 15, the two belt wheels 17 are connected through a belt 18, when the rotating shaft 9 rotates, the transmission shaft 15 is driven to rotate through the belt wheel 17 and the belt 18.
[0029] The transmission shaft 15 is provided with stirring blades 16, the stirring blades 16 can stir the material and the PH regulator in the storage tank 5 under the driving of the transmission shaft 15, so that the composition of the PH regulator can be prevented from precipitating.
[0030] The extension pipe 4 is provided with a material suction pipe 6 in the storage tank 5, the material suction pipe 6 can suck the PH regulator in the storage tank 5. The extension pipe 4 is also provided with a discharge pipe 8 which is communicated with the feeding pipe 3, the PH regulator can enter the feeding pipe 3 through the discharge pipe 8.
[0031] The material suction pipe 6 and the discharge pipe 7 are both provided with valves, the two valves are both one-way valves, the flow direction of the material can be strictly controlled, and the normal operation of the whole system can be ensured.
[0032] The inner wall of the feeding pipe 3 is provided with a baffle 19, the baffle 19 is arranged corresponding to the discharge pipe 8, and the baffle 19 can effectively block the material from entering the discharge pipe 7.
[0033] When the utility model is used, the material enters the reaction equipment 1 through the feeding pipe 3. In the feeding pipe 3, the flow of the material impacts the rotating blade 10, drives the rotating shaft 9 to rotate, and the rotating shaft 9 further drives the reciprocating screw 12 in the middle chamber 11 to rotate, and through the threaded mode, the connecting frame 14 drives the piston plate 13 to reciprocate in the right chamber 11. At the same time, the rotating shaft 9 drives the transmission shaft 15 to rotate through the rotating mechanism connected by the belt wheel 17 and the belt 18, and the stirring blades 16 on the transmission shaft 15 stir the material and the PH regulator in the storage tank 5, so that the composition of the PH regulator can be prevented from precipitating. The one-way valves in the material suction pipe 6 and the discharge pipe 7 strictly control the flow direction of the material. The PH regulator can be sucked through the material suction pipe 6 and enter the feeding pipe 3 through the discharge pipe 8 which is communicated with the feeding pipe 3. The baffle 19 in the feeding pipe 3 blocks the material from entering the discharge pipe 7.
[0034] The reactor realizes continuous feeding of materials and addition of PH regulator in the crystallization process through the cooperation of each component, so as to achieve the purpose of continuous crystallization.
[0035] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent substitution or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A novel tubular continuous crystallization reactor characterized in that: The utility model provides a reaction equipment, including reaction equipment (1), be equipped with support leg (2), feed pipe (3), storage tank (5) and discharge pipe (8) on reaction equipment (1), be equipped with extension pipe (4) on feed pipe (3), be equipped with three chambers (11) inside extension pipe (4), be equipped with rotation shaft (9) that rotates in feed pipe (3) and extends to the chamber (11) inside left, be equipped with rotation vane (10) on rotation shaft (9), be equipped with reciprocating screw rod (12) that is connected with rotation shaft (9) in the chamber (11) of middle, be equipped with piston plate (13) in the chamber (11) of right, piston plate (13) is connected with reciprocating screw rod (12) through link mechanism, be equipped with drive shaft (15) that extends to the outside of storage tank (5) in storage tank (5), rotation shaft (9) is connected with drive shaft (15) through rotating mechanism, be equipped with stirring vane (16) on drive shaft (15), extension pipe (4) is installed with suction pipe (6) in storage tank (5), be equipped with discharge pipe (8) of intercommunication with feed pipe (3) on extension pipe (4).
2. A novel tubular continuous crystallization reactor as claimed in claim 1, wherein: The link mechanism includes a link frame (14) threadedly mounted on the reciprocating screw rod (12), and the link frame (14) is integrally designed in a U shape and fixedly connected with the piston plate (13) at the end.
3. A novel tubular continuous crystallization reactor as claimed in claim 2, wherein: The rotating mechanism includes a belt pulley (17) mounted on the rotation shaft (9) and the drive shaft (15), and the two belt pulleys (17) are connected by a belt (18).
4. A novel tubular continuous crystallization reactor as claimed in claim 3, wherein: The extension pipe (4) is provided with an opening corresponding to the belt (18).
5. A novel tubular continuous crystallization reactor as claimed in claim 4, wherein: The suction pipe (6) and the discharge pipe (7) are each provided with a valve, and the two valves are both one-way valves.
6. A novel tubular continuous crystallization reactor as claimed in claim 5, wherein: The feed pipe (3) is provided with a baffle (19) on the inner wall, and the baffle (19) is arranged corresponding to the discharge pipe (8).