Low-loss stock solution split component in monomethylamine plant growth regulator purification process

Abstract

The application discloses a low-loss stock solution shunt component in a cyanamide plant growth regulator purification process, and mainly relates to the technical field of purification processes, and mainly adopts a combined purification mode of thin film separation and water bath heating, and is driven by two groups of motors from top to bottom: the lower end motor drives the dial to rotate, cooperates with the differential top rod and the gradually changing differential half ring groove, makes the liquid separation cone sleeve do small eccentric deflection around the upper end ball head rod, the upper end motor drives the internal liquid exchange cone sleeve to rotate synchronously through the ball head rod, the stock solution falls to the conical surface of the liquid separation cone sleeve through the liquid supplementing pipe, spreads into a uniform thin liquid film through the hierarchical membrane distribution structure, cooperates with the eccentric deflection to realize dynamic disturbance of the liquid film, the heat medium water is introduced into the interlayer of the two cone sleeves, forms forced circulation through the spiral structure, maintains the uniform wall surface temperature of the heat exchange, does not need to supplement a large amount of cold stock solution, maximally avoids local overheating and temperature fluctuation, reduces cyanamide polymerization and escape loss, and improves the purification yield and operation safety.

Description

Technical Field

[0001] This invention relates to the field of purification technology, specifically to a low-loss original solution diversion component in the purification process of cyanamide plant growth regulator. Background Technology

[0002] The purification process of cyanamide plant growth regulator is explained as follows: Its active ingredient is cyanamide, a heat-sensitive substance. Conventional methods involve retaining cyanamide in the liquid phase and evaporating the vapor phase of cyanamide followed by condensation. However, when the temperature exceeds a certain range (45℃), cyanamide will rapidly polymerize to form dicyandiamide impurities. At high concentrations, there is even a risk of polymerization explosion. Therefore, temperature control is crucial during purification, and pressure control can also be used. It should be noted that, theoretically, to accurately improve the purification rate, the purification temperature needs to approach the limit temperature. In reality, however, temperature fluctuations may briefly exceed the limit temperature, or the temperature may be insufficient to meet the purification requirements of cyanamide, leading to the following two types of problems: The extremely high temperature caused cyanamide to produce byproducts when heated; If the temperature is insufficient, some cyanamide will "escape" from the liquid phase as vapor, or some cyanamide will remain in the liquid phase and cannot be purified by condensation in the vapor phase. Furthermore, it is necessary to add that, in order to further control the temperature range, the raw liquid is mainly distributed in a thin film manner during the purification process. In this method, the raw liquid can be heated to the maximum extent, but there are still the following problems: when the liquid volume is very small and only a thin liquid film or wet residue remains on the heating surface, the liquid cannot remove heat through large-scale vaporization. The local temperature near the heating surface will rise rapidly, far exceeding the normal boiling point. This is a serious taboo in the purification of cyanamide. Once local overheating occurs, cyanamide will rapidly polymerize and decompose, and even cause safety risks. It can be understood that: the smaller the amount of raw liquid (the thinner the film) and the larger the distribution surface (corresponding to the heated area), the better the heating uniformity and the more promoted the purification. However, the increase in local heat will cause abnormal reactions. If "fresh" raw liquid is added in time, it will also "break" the temperature distribution of the raw liquid film, which will cause uneven temperature distribution and lead to the loss of cyanamide that is not precipitated or escapes. Based on the above, this invention proposes a solution. Summary of the Invention

[0003] The purpose of this invention is to provide a low-loss original solution diversion component in the purification process of cyanamide plant growth regulator, in order to solve the above-mentioned technical problems.

[0004] The objective of this invention can be achieved through the following technical solution: a low-loss original liquid diversion component in the purification process of cyanamide plant growth regulator, comprising a vessel body and a drive component, wherein a liquid-distributing cone sleeve is provided inside the vessel body, and a liquid-changing cone sleeve is provided inside the liquid-distributing cone sleeve; The upper cross-sections of the liquid separating cone sleeve and the liquid changing cone sleeve are both conical, and the upper part of the liquid separating cone sleeve has the same curvature. The upper surface of the liquid separating cone sleeve is provided with a membrane assembly composed of multiple downward curved arc strips. The upper curved surface of the liquid exchange cone sleeve matches the inner top curved surface of the liquid distribution cone sleeve, and the upper curved surface of the liquid exchange cone sleeve is provided with an upper spiral groove, and a liquid winding spiral blade that matches the inner side of the liquid distribution cone sleeve is installed on the cylindrical outer surface. A dial is provided at the bottom of the vessel body, and differential push rods are symmetrically installed on the dial along its radial direction. A differential semi-annular groove corresponding to the differential push rod is opened on the lower surface of the liquid separating cone sleeve.

[0005] Further configured such that the driving component is installed at the center point region of the upper and lower ends of the vessel body; One of the drive components located at the lower end of the vessel body is used to maintain the directional rotation of the dial; A ball-head rod is rotatably mounted at the center point of the upper end of the vessel body, and another drive component maintains the directional rotation between the ball-head rod and the vessel body.

[0006] The ball-head rod is further configured such that its lower end is a ball, and its lower end is movably connected to the liquid-dispensing cone sleeve, while the end of the ball-head rod is axially fixedly connected to the center point area of ​​the liquid-changing cone sleeve.

[0007] The further configuration is as follows: the downward curved strip is curved along the diameter direction pointing to the center point of the dispensing cone sleeve, and the curvature and length of each downward curved strip increase in the direction of outward diffusion from the center point of the dispensing cone sleeve; Each of the downward-curved arc-shaped strips is linearly and equidistantly distributed along the diameter of the dispensing cone sleeve, and arranged in a ring array along the center point of the dispensing cone sleeve.

[0008] The membrane assembly is further configured such that it includes an annular protrusion, which is a hollow rubber ring and is installed at the halfway point of the upper curved surface of the dispensing cone sleeve.

[0009] The further configuration is as follows: a replenishment pipe corresponding to the upper part of the dispensing cone sleeve is installed on the upper side of the vessel body, and a hot medium water hose corresponding to the inside of the dispensing cone sleeve is installed on its outer wall, and the hot medium water hose is kept in communication with the inside of the dispensing cone sleeve; An elastic sealing component is provided at the center point of the contact area between the liquid exchange cone sleeve and the liquid distribution cone sleeve.

[0010] Further configured as follows: the elastic sealing assembly includes an elastic sealing disc and a return water hose, wherein the elastic sealing disc maintains the elastic sealing mode and rotation mode of the liquid exchange cone sleeve relative to the liquid distribution cone sleeve; The upper end of the fluid exchange cone sleeve is provided with a spherical groove corresponding to the end of the ball head rod, and a return water port corresponding to the return water hose is opened in the spherical groove.

[0011] Further configuration: the groove depth of the differential semi-annular groove relative to the differential push rod is gradient-distributed along the annular direction of the dispensing cone sleeve, and the differential push rod achieves a small-amplitude eccentric deflection of the dispensing cone sleeve through the directional rotation process of the dial, the differential semi-annular groove, and the ball head rod.

[0012] The present invention has the following beneficial effects: 1. First, the proposed raw material replenishment and film-laying process is explained. The liquid film is graded and spread in coordination with dynamic deflection to complete the purification with high efficiency and low loss. When the raw liquid flows from the center to the outside of the cone, it is gradually diverted and extended through multiple downward curved strips to form a thin liquid film of uniform thickness, maximizing the heating area to ensure the evaporation efficiency of cyanamide. The dispensing cone sleeve simultaneously makes a small eccentric deflection to dynamically adjust the flow rate and thickness of the liquid film in each circumferential region. In conjunction with the annular protrusion, it breaks the laminar flow state of the liquid film, which not only avoids the stagnation and drying of the liquid film in the fixed area, thus preventing the polymerization and deterioration of cyanamide, but also eliminates the need to add a large amount of cold raw material to suppress overheating, thus eliminating the temperature fluctuations and cyanamide escape loss caused by the replenishment impact.

[0013] 2. To supplement the water bath heating, the system features a combination of forced circulation of the heat transfer medium spiral and adaptive elastic sealing, ensuring stable temperature control and strong adaptability to various operating conditions. During the rotation of the liquid exchange cone sleeve, the upper spiral groove continuously delivers and refreshes the heat transfer medium retained at the top of the cone. The spiral blades drive the heat transfer medium within the jacket to form an axial counter-current circulation, ensuring uniform temperature across the entire heat exchange wall surface and eliminating local overheating causes from the heat source end. The elastic sealing structure deforms synchronously with the eccentric deflection of the liquid distribution cone sleeve, maintaining the jacket sealing effect during dynamic operation. This system can adapt to purification conditions with different feed flow rates and heating intensities, ensuring long-term stable and safe operation of the system. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the low-loss original solution diversion component in the purification process of cyanamide plant growth regulator proposed in this invention. Figure 2 This is a cross-sectional view of the vessel body in this invention; Figure 3 This is a top view of the separating cone sleeve in this invention; Figure 4 For the present invention Figure 2 A cross-sectional view of the separatory cone sleeve in the middle; Figure 5 For the present invention Figure 4 The front view; Figure 6 This is a schematic diagram of the fluid exchange cone sleeve of the present invention.

[0016] In the diagram: 1. Reactor body; 2. Drive assembly; 3. Dial; 4. Differential push rod; 5. Liquid distribution cone sleeve; 6. Liquid replenishment pipe; 7. Ball head rod; 8. Downward curved strip; 9. Annular protrusion; 10. Liquid changing cone sleeve; 11. Elastic sealing assembly; 12. Differential semi-annular groove; 13. Upper spiral groove; 14. Liquid winding spiral blade. Detailed Implementation

[0017] The technical solution of the present invention will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0018] Example 1: The purification process of a drug with cyanamide as the main active ingredient requires extremely strict temperature control, as the limiting temperature for cyanamide is 45°C, while the actual required temperature range is 20-30°C. Therefore, this invention refers to... Figure 1 , Figure 2 and Figure 4 The process mainly uses water bath heating and thin film separation, which can better promote the temperature distribution process. However, it is also necessary to add that: although a thin liquid film can improve evaporation efficiency, it is prone to temperature spikes due to excessively thin liquid film and localized stagnation and drying, which can cause cyanamide polymerization, generate impurities, and even trigger safety risks; if the overheating of drying is alleviated by continuous feeding, it will disrupt the stability of the liquid film temperature field, resulting in uneven temperature distribution, which leads to insufficient vaporization of cyanamide or escape with the vapor phase, ultimately increasing the loss of raw liquid and decreasing the purification yield; In this regard, combined with Figures 1-6 The basic principle of this invention is as follows: the raw material liquid is replenished from the replenishment pipe 6, specifically dripping onto the upper curved surface of the dispensing cone sleeve 5, but avoiding the spherical groove. The raw material liquid slowly falls under the action of gravity to form a film, while hot water enters the interior of the liquid exchange cone sleeve 5 through the heat medium hose and is purified by indirect heat exchange. The main key aspects include: Firstly, the raw material film distribution method depends on the action of the downward-curved arc strip 8 and the liquid-distributing cone sleeve 5; secondly, the flow mode of the heat medium (hot water), specifically summarized as follows: a nested double cone sleeve structure is used as the core carrier for liquid film distribution and liquid exchange. The dynamic eccentric deflection of the liquid-distributing cone sleeve achieves uniform disturbance of the entire liquid film, and the spiral structure of the internal liquid-exchange cone sleeve achieves self-circulation and renewal of the liquid film. It can maintain a uniform and stable temperature field under thin liquid film conditions without relying on a large amount of external replenishment. Overall, it can eliminate the technical defects of local dry wall overheating and large temperature fluctuations from the structural level while ensuring the high efficiency of film evaporation, and simultaneously reduce the polymerization deterioration loss and escape loss of cyanamide. The heat medium and raw material liquid can be pumped in by a water pump, and the relevant parameters are not described in this invention.

[0019] Example 2: Based on Example 1, the entire structure uses the vessel body 1 as the supporting shell, with independently driven drive components 2 at both the upper and lower ends. Drive components 2 consist of motors and other driving components. The core technology comprises four parts working collaboratively: a liquid distribution and film distribution unit, an eccentric deflection unit, a spiral liquid exchange unit, and a sealed circulation unit. This achieves low-loss thin-film purification of cyanamide stock solution. A detailed explanation of the relevant technical structure follows: S1: The drive assembly 2 located at the lower end of the vessel body 1 extends axially into the vessel and is fixedly connected to the center of the dial 3. It is used to drive the dial 3 to rotate at a constant speed in a directional manner, providing power for the eccentric deflection of the dispensing cone sleeve. However, it is necessary to add that in order to avoid interference between the dispensing cone sleeve 5 and the fixed rotating liquid exchange cone sleeve 10 during the deflection process, it is necessary to further limit its rotation amplitude. For example, the vertical stroke deviation generated in the vertical direction during the overall deflection process of the dispensing cone sleeve 5 should be maintained in the range of 1.5~2.0 mm. The output end of the drive assembly 2 located at the center of the upper end of the vessel body 1 is connected to the ball head rod 7, which maintains the directional rotation of the ball head rod 7 around its own axis. The lower end of the ball head rod 7 is a spherical structure, which is movably hinged to the top center of the liquid-dispensing cone sleeve 5 to form a universal support fulcrum. The end of the ball head rod 7 extends further downward and is axially fixedly connected to the center point area of ​​the liquid-changing cone sleeve 10, so as to synchronously transmit the rotational power to the liquid-changing cone sleeve 10.

[0020] S2: The cyanamide stock solution to be purified is uniformly fed into the reactor through the replenishment pipe 6. The outlet of the replenishment pipe 6 is directly opposite the center area of ​​the upper conical surface of the separating cone sleeve 5. Under the action of gravity, the stock solution diffuses and flows outward along the conical surface. During this process, the film distribution component completes the classification and uniform distribution into a film. This process needs to avoid the return water port in the liquid exchange cone sleeve 10. Figure 2 As shown, a protective sleeve that does not interfere with the rotation of the ball head 7 is added at the corresponding position; The upper surface of the separating cone sleeve 5 is provided with multiple downward curved arc strips 8. All the downward curved arc strips 8 are curved along the diameter direction pointing to the center of the cone sleeve. The curvature and length of each arc strip gradually increase in the direction of outward diffusion from the center. From the overall arrangement, it can be understood that the downward curved arc strips 8 are linearly and equidistantly distributed along the diameter direction of the cone sleeve and are distributed in a ring array along the center of the cone sleeve.

[0021] Reference Figure 3 When a certain stream of raw liquid flows outward (downward) from the center, it is first divided into two thin streams by a shorter inner curved arc strip 8. The streams diffuse outward with the liquid flow and are further divided and extended by a longer outer curved arc strip 8. Finally, the liquid is spread into a thin liquid film of uniform thickness on the entire cone surface. This structure can eliminate the problem of uneven liquid film thickness caused by the concentration of feed at the center, maximize the effective heating area of ​​the liquid film, ensure the evaporation and purification efficiency of cyanamide, and maximize the liquid distribution and film spreading. However, at half the height of the upper curved surface of the dispensing cone sleeve 5, there is an annular protrusion 9. This protrusion is a hollow rubber ring structure with a certain elastic deformation capability. It can be understood that the annular protrusion 9 is essentially a structure that "blocks" the flow of raw materials. The reason is that the upper surface of the dispensing cone sleeve 5 is an inclined surface. Even if the raw material liquid reduces its kinetic energy during the dispensing and film distribution process of multiple downward curved arc strips 8, it will still cause "the raw material at the bottom to flow faster". Therefore, the annular protrusion 9 is used to temporarily reduce its kinetic energy. Secondly, when the liquid film flows downward along the conical surface to the annular protrusion 9, it will briefly accumulate on the upstream side of the protrusion, and then continue to flow downward over the protrusion. During the overturning process, the laminar flow state of the liquid film is broken, generating local turbulence, which can enhance the transfer of matter and heat between the surface and inner layers of the liquid film, and prevent insufficient heating of the inner material after the surface vaporization. At the same time, the turbulence can re-homogenize the thickness of the liquid film, offsetting the strip-shaped thickness difference formed by the previous diversion, and further improving the uniformity of the liquid film. The elasticity of the annular protrusion 9 can adapt to the fluctuation of the feed flow rate. When the flow rate increases, it automatically compresses to increase the flow area and prevents the liquid from accumulating and overflowing. When the flow rate decreases, it rebounds to maintain the blocking height and ensure the turbulence effect. S3: The dynamic eccentric deflection of the dispensing cone sleeve 5 provides global disturbance to the original liquid film, eliminating the fixed stagnant overheated zone. The specific operation process is as follows: The lower drive assembly 2 drives the dial 3 to rotate in an orientation. Two differential push rods 4, which are symmetrically installed radially on the upper surface of the dial 3, move in a circular motion synchronously with the dial. The top of the differential push rod 4 is a spherical structure, which is embedded in the differential semi-annular groove 12 corresponding to the lower surface of the liquid separating cone sleeve 5. The groove depth of the differential semi-annular groove 12 is continuously gradient distributed along the annular direction of the liquid separating cone sleeve 5. It smoothly transitions from the deep groove section to the shallow groove section along the rotation direction, and then smoothly falls back to the deep groove section, forming a symmetrical gradient annular groove. It can be understood that the differential semi-annular groove 12 does not maintain a uniform planar setting. When the differential push rod 4 slides along the bottom of the tank as it rotates, it will push the corresponding side of the liquid separating cone sleeve 5 upward when it enters the shallow tank section, and the corresponding side will fall back naturally when it enters the deep tank section. With the ball joint fulcrum of the upper ball head rod 7, the liquid separating cone sleeve 5 as a whole will make a small-amplitude cone pendulum eccentric deflection around the center of the ball. Furthermore, referring to the range of 1.5~2.0mm in S1, the amplitude of this deflection motion is controlled by the depth difference of the differential semi-annular groove 12, and is always maintained within a small range. This will not disrupt the overall spreading shape of the liquid film, but will also cause the inclination angle of each circumferential position of the cone surface to change periodically, dynamically adjusting the liquid film flow rate and thickness in the corresponding area, avoiding the liquid film from lingering in a fixed area for a long time, eliminating the fixed overheated area from the circumferential dimension. At the same time, the slight shaking generated by the deflection can further disturb the liquid film, accelerate the renewal of the liquid film surface, and improve the evaporation uniformity. S4: The rotation of the internal liquid exchange cone sleeve 10 is used to enhance the flow circulation on the heat medium side, ensuring a uniform and stable temperature on the heat exchange wall surface (limited to the upper curved surface of the liquid distribution cone sleeve 5 + liquid exchange cone sleeve 10), and avoiding local overheating from the heat source end. The specific operation process is as follows: The upper drive assembly 2 drives the liquid exchange cone sleeve 10 to rotate coaxially inside the liquid distribution cone sleeve 5 via the ball head rod 7. Theoretically, because of the connection between the ball head rod and the liquid distribution cone sleeve 5, it will not directly drive the rotation process of the liquid distribution cone sleeve 5. The liquid exchange cone sleeve 10 is nested in the internal cavity of the liquid distribution cone sleeve 5, and a jacket space for the flow of hot medium water is formed between the two. The hot medium water is introduced into this jacket space through the hot medium water hose on the outer wall of the vessel, and indirectly water bath heating of the original liquid film on the outside through the wall of the liquid distribution cone sleeve 5. The upper curved surface of the liquid exchange cone sleeve 10 is conical, matching the cone surface profile at the top of the liquid distribution cone sleeve 5, with a small fitting gap between them. A continuous upper spiral groove 13 is provided on the upper curved surface of the liquid exchange cone sleeve 10. When the liquid exchange cone sleeve 10 rotates, the upper spiral groove 13 can drive the hot medium water at the cone top interlayer to flow continuously along the spiral path, continuously transporting and renewing the stagnant hot medium at the cone top dead corner, avoiding temperature rise in the cone top area due to hot medium stagnation, ensuring uniform temperature of the inner top wall of the liquid distribution cone sleeve 5, and preventing local overheating risk of the original liquid film on the outer side. It should also be noted that the hot medium is in a bottom-up heat exchange mode, maintaining a relatively stable heat exchange process, avoiding decomposition of the raw liquid that has just been filmed due to direct exposure to high heat. Secondly, it is also necessary to ensure that the raw liquid "preparing to escape" from the liquid distribution cone sleeve 5 can accept higher temperatures, so that the temperature difference between the two media in the overall heat exchange process is maintained in a stable range. A spiral blade 14 is fixedly installed on the cylindrical outer surface of the liquid exchange cone sleeve 10. The outer edge of the spiral blade 14 is in clearance fit with the inner cylindrical surface of the liquid distribution cone sleeve 5 (but not completely fitted). The spiral direction is set to transport the heat medium water upward along the axis as it rotates. When the liquid exchange cone sleeve 10 rotates, the liquid winding spiral blade 14 drives the hot medium water close to the inner wall of the liquid distribution cone sleeve 5 to flow upward along the spiral channel, forming a countercurrent convection with the hot medium flowing downward in the middle of the jacket, forming a continuous forced circulation in the entire annular jacket. This forced circulation can make the hot medium water fully mixed and the overall temperature uniform, thereby ensuring that the temperature of the entire heat exchange wall of the liquid distribution cone sleeve 5 is stable and uniform, eliminating the cause of local overheating of the wall from the heating end, and avoiding the deterioration of cyanamide polymerization caused by excessive wall temperature. After the heat transfer medium water completes the heat exchange, it flows into the return water hose through the return water port in the spherical groove at the upper end of the liquid exchange cone sleeve 10 and is discharged outside the component to form a complete heat transfer medium cycle. In addition to the above, the elastic sealing adaptation process (sealing circulation unit) is supplemented as follows: Based on the elastic sealing component 11, the elastic sealing disc is an annular wear-resistant elastic structure. The inner side is fixedly sleeved on the outer wall of the fluid exchange cone sleeve 10, and the outer side elastically abuts against the inner wall surface of the distributing cone sleeve 5. This structure can rotate synchronously with the fluid exchange cone sleeve 10 to maintain the dynamic seal at the lower end of the annular jacket and prevent the hot medium water from leaking downwards. On the other hand, it can adapt to the eccentric deflection action of the distributing cone sleeve 5 through its own elastic deformation, and always keep the sealing surface tightly fitted during the deflection of the cone sleeve to avoid sealing failure, leakage and movement interference. During overall operation, the raw liquid side maintains a thin and uniform liquid film through graded film distribution and dynamic deflection to ensure evaporation efficiency, while the heat medium side maintains a uniform and stable wall temperature through spiral forced circulation to avoid local overheating. With the synergistic effect of the two, there is no need to add a large amount of cold raw liquid to suppress overheating. This avoids temperature field fluctuations and cyanamide escape losses caused by liquid replenishment, and eliminates polymerization and deterioration losses caused by local overheating, thus achieving low-loss and stable operation of the cyanamide purification process.

[0022] This structure achieves both upper support and internal transmission through a single ball joint, ensuring that the liquid dispensing cone sleeve 5 can flexibly deflect eccentrically and stably drive the internal liquid changing cone sleeve 10 to rotate synchronously. The structure is compact and the transmission is reliable.

[0023] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to specific implementations. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A low-loss raw material diversion component in the purification process of cyanamide plant growth regulator, comprising a vessel body (1) and a drive component (2), characterized in that, The vessel body (1) is provided with a liquid separating cone sleeve (5), and the liquid changing cone sleeve (5) is provided with a liquid changing cone sleeve (10). The upper part of the liquid separating cone sleeve (5) and the liquid changing cone sleeve (10) are both conical in cross-section, and the upper part of the liquid separating cone sleeve (5) has the same curvature. The upper surface of the liquid separating cone sleeve (5) is provided with a membrane assembly composed of multiple downward curved arc strips (8). The upper curved surface of the liquid exchange cone sleeve (10) matches the inner top curved surface of the liquid distribution cone sleeve (5), and the upper curved surface of the liquid exchange cone sleeve (10) is provided with an upper spiral groove (13), and the cylindrical outer surface is equipped with a liquid winding spiral blade (14) that matches the inner side of the liquid distribution cone sleeve (5). The bottom of the vessel body (1) is provided with a dial (3), and differential push rods (4) are symmetrically installed on the dial (3) along its radial direction. The lower surface of the liquid separating cone sleeve (5) is provided with a differential semi-annular groove (12) corresponding to the differential push rod (4).

2. The low-loss stock solution diversion component in the purification process of cyanamide plant growth regulator according to claim 1, characterized in that, The drive assembly (2) is installed at the center point area of ​​the upper and lower ends of the vessel body (1); One of the drive components (2) located at the lower end of the vessel body (1) is used to maintain the directional rotation of the dial (3); A ball-head rod (7) is rotatably mounted on the upper center point of the vessel body (1), and another drive assembly (2) maintains the directional rotation between the ball-head rod (7) and the vessel body (1).

3. The low-loss stock solution diversion component in the purification process of cyanamide plant growth regulator according to claim 2, characterized in that, The lower end of the ball head rod (7) is a ball, and its lower end is movably connected to the liquid separator sleeve (5), and the end of the ball head rod (7) is axially fixedly connected to the center point area of ​​the liquid exchange sleeve (10).

4. The low-loss stock solution diversion component in the purification process of cyanamide plant growth regulator according to claim 1, characterized in that, The downward curved strip (8) is curved along the diameter direction pointing to the center point of the dispensing cone sleeve (5), and the curvature and length of each downward curved strip (8) increase in the direction of outward diffusion from the center point of the dispensing cone sleeve (5). Each of the downward curved strips (8) is linearly and equidistantly distributed along the diameter of the dispensing cone sleeve (5) and arranged in a ring array along the center point of the dispensing cone sleeve (5).

5. The low-loss stock solution diversion component in the purification process of cyanamide plant growth regulator according to claim 4, characterized in that, The membrane assembly also includes an annular protrusion (9), which is a hollow rubber ring and is installed at the halfway point of the upper curved surface of the separatory cone sleeve (5).

6. The low-loss stock solution diversion component in the purification process of cyanamide plant growth regulator according to claim 1, characterized in that, The upper side of the vessel body (1) is equipped with a replenishment pipe (6) corresponding to the upper part of the liquid dispensing cone sleeve (5), and the outer wall of the vessel body (1) is equipped with a hot medium water hose corresponding to the inside of the liquid dispensing cone sleeve (5). The hot medium water hose is in communication with the inside of the liquid dispensing cone sleeve (5). An elastic sealing component (11) is provided at the center point of the contact between the liquid exchange cone sleeve (10) and the liquid distribution cone sleeve (5).

7. The low-loss stock solution diversion component in the purification process of cyanamide plant growth regulator according to claim 6, characterized in that, The elastic sealing assembly (11) includes an elastic sealing disc and a return water hose, wherein the elastic sealing disc maintains the elastic sealing mode and rotation mode of the liquid exchange cone sleeve (10) relative to the liquid distribution cone sleeve (5); The upper end of the fluid exchange cone sleeve (10) is provided with a spherical groove corresponding to the end position of the ball head rod (7), and a return water port corresponding to the return water hose is opened in the spherical groove.

8. The low-loss stock solution diversion component in the purification process of cyanamide plant growth regulator according to claim 1, characterized in that, The groove depth of the differential semi-annular groove (12) relative to the differential push rod (4) is distributed in a gradient along the annular direction of the dispensing cone sleeve (5). The differential push rod (4) achieves a small-amplitude eccentric deflection of the dispensing cone sleeve (5) through the directional rotation process of the dial (3), the differential semi-annular groove (12), and the ball head rod (7).

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