Apparatus for distilling aqueous ammonia

Abstract

This invention provides an ammonia distillation apparatus, belonging to the field of ammonia distillation technology. It includes a distillation tank and a heater located at its lower end. The inner cavity of the distillation tank is equipped with a dispersing flow mechanism, which includes several distillation plates vertically arranged within the tank's interior. Each distillation plate has a heating wire at its lower end and several overflow ports arranged in a ring on its outer arc surface. A liquid supply component for supplying liquid to the distillation plates is located at the lower end of the distillation tank. A stirring component for agitating the ammonia water is also provided inside the tank. This invention achieves dispersed flow by coordinating the dispersing flow mechanism, the liquid supply component, and the stirring component, thereby increasing the heating area. Through the dispersed heating and dynamic stirring of the multi-stage distillation plates, it significantly improves the evaporation efficiency and distillation uniformity of ammonia water, effectively solving the problems of slow heating rate, localized overheating, and uneven heat transfer caused by traditional overall heating.

Description

Technical Field

[0001] This utility model belongs to the field of ammonia distillation technology, and specifically relates to an ammonia distillation device. Background Technology

[0002] Ammonia water is an aqueous solution of ammonia gas. It is widely used in the industrial field for cleaning, fertilizer preparation and chemical synthesis. However, its effectiveness and safety are highly dependent on the stability of the solution concentration. In practical applications, changes in ambient temperature, prolonged storage time or contamination by impurities can easily lead to concentration fluctuations. Therefore, distillation process is required to achieve efficient separation of ammonia gas and water in order to recover high-purity ammonia or adjust the solution concentration.

[0003] Existing ammonia distillation equipment mostly adopts an integrated heating mode. Although it can achieve the effect of ammonia distillation, there are still some problems in actual operation. During the overall heating of ammonia, there are problems such as slow heating rate, limited heating area, and uneven temperature distribution, which leads to slow distillation rate and makes it difficult to achieve continuous and stable production. Utility Model Content

[0004] In view of this, the present invention provides an ammonia distillation device, which can achieve dispersed flow by the coordinated cooperation of a dispersion flow mechanism, a liquid supply component and a stirring component to increase the heating area. Through the dispersed heating and dynamic stirring of multi-stage distillation plates, the evaporation efficiency and distillation uniformity of ammonia water are significantly improved, effectively solving the problems of slow heating rate, local overheating and uneven heat transfer caused by traditional overall heating.

[0005] To address the aforementioned technical problems, this utility model provides an ammonia distillation apparatus, comprising a distillation tank and a heater disposed at its lower end. The inner cavity of the distillation tank is equipped with a dispersing flow mechanism, which includes several distillation plates vertically disposed within the inner cavity of the distillation tank. Each distillation plate has a heating wire at its lower end, and each distillation plate has several overflow ports arranged in a ring on its outer arc surface. The lower end of the distillation tank is equipped with a liquid supply component for supplying liquid to the distillation plates. The distillation tank is also equipped with a stirring component for stirring the ammonia water. This achieves dispersed flow to increase the heating area. Through the dispersed heating, dynamic stirring, and forced mixing structure of the multi-stage distillation plates, the evaporation efficiency and distillation uniformity of the ammonia water are significantly improved. This effectively solves the problems of slow heating rate, local overheating, and uneven heat transfer caused by traditional overall heating, while avoiding material retention or scaling, thus achieving efficient and stable continuous distillation operations.

[0006] The liquid supply assembly includes a liquid pump located at the lower end of the distillation tank. The inlet of the liquid pump is connected to the outlet at the lower end of the distillation tank. The outlet end of the liquid pump is equipped with a diversion pipe. Several outlet ends of the diversion pipe penetrate the tank wall of the distillation tank and are fixedly connected to the corresponding distillation plates. Each distillation plate is equipped with a diversion cavity. Several outlet ends of the diversion pipe are connected to the adjacent diversion cavity on the same side. Several evenly distributed outlet holes are provided on the upper end of the inner arc surface of each distillation plate. The diversion cavity is connected to several outlet holes located on the same distillation plate, which serves to distribute the liquid supply.

[0007] The stirring assembly includes a rotating rod rotatably connected to the upper end of the inner cavity of the distillation tank. The lower end of the rotating rod is provided with a stirring scraper, the outer end of which contacts the inner wall of the distillation tank. The middle part of the distillation plate is provided with a rotating hole that matches the rotating rod. The upper end of the distillation tank is provided with a motor, and the output shaft of the motor is fixedly connected to the upper end of the rotating rod, which serves as a fast drive.

[0008] The stirring assembly also includes several rotating plates disposed on the outer arc surface of the rotating rod. The rotating plates are in contact with the inner cavity of the distillation plate located on the same horizontal plane, thereby promoting liquid circulation.

[0009] It also includes a mixing component, which includes a fixed cylinder located at the lower end of the distillation plate at the bottom. The lower end of the fixed cylinder is provided with a circular hole that matches the rotating rod. The lower end of the outer arc surface of the fixed cylinder is rotatably connected to several evenly distributed cross plates, which play a role in dynamic mixing.

[0010] The hybrid assembly also includes a bevel gear one located at the inner end of the cross plate, and a bevel gear two located on the outer arc surface of the rotating rod. Both bevel gear one and bevel gear two are meshed and connected, thus achieving rapid transmission.

[0011] The bottom of the inner cavity of the distillation tank is sloped downwards from the outside to the inside to facilitate the discharge of ammonia.

[0012] The beneficial effects of the above-mentioned technical solution of this utility model are as follows:

[0013] 1. A suitable amount of ammonia water is injected into the distillation tank. Then, the heater, heating wire, and delivery pump are started. The heater distills the ammonia water at the bottom of the distillation tank, and the generated steam is discharged through the exhaust end at the top of the distillation tank. The delivery pump injects the ammonia water in the inner cavity of the distillation tank into the distribution chamber through the distribution pipe. Then, the ammonia water is supplied into the distillation plate through the liquid outlet on the inner arc surface of the distillation plate. Finally, the heating wire heats and evaporates the ammonia water. At the same time, the overflow port guides the liquid to flow downward to achieve dispersed flow and increase the heating area. Meanwhile, the stirring component scrapes the residue on the inner wall of the distillation tank and contacts the inner wall of the distillation plate to promote liquid circulation, further promoting uniform contact between the ammonia water and heat. The inclined design of the inner cavity at the bottom of the distillation tank ensures that residual liquid or unevaporated matter gathers towards the center for easy discharge. Through the dispersed heating, dynamic stirring, and forced mixing structure of the multi-stage distillation plate, the evaporation efficiency and distillation uniformity of ammonia water are significantly improved. This effectively solves the problems of slow heating rate, local overheating, and uneven heat transfer caused by traditional overall heating. At the same time, it avoids material retention or scaling, achieving efficient and stable continuous distillation operation.

[0014] 2. The motor operates, and its output shaft rotates to drive the rotating rod, stirring scraper and rotating plate to rotate synchronously. The rotating rod scrapes off the residue on the inner wall of the distillation tank, and the rotating plate contacts the inner wall of the distillation plate to promote liquid circulation, further promoting the uniform contact between ammonia water and heat.

[0015] 3. When the rotating rod rotates, it drives the second bevel gear to rotate synchronously. When the second bevel gear rotates, it drives the cross plate to rotate through the bevel gear first that meshes with it, forming a dynamic vortex and enhancing the mixing of ammonia water. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the main structure of an ammonia distillation apparatus according to the present invention;

[0017] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0018] Figure 3 This is an enlarged structural diagram of point A in this utility model;

[0019] Figure 4 This is an enlarged structural diagram of section B of this utility model.

[0020] Explanation of reference numerals in the attached drawings: 100, distillation jar; 200, heater; 300, distillation plate; 301, heating wire; 302, overflow port; 303, infusion pump; 304, distributor pipe; 305, distributor chamber; 306, outlet hole; 400, rotating rod; 401, stirring scraper; 402, rotating plate; 403, motor; 500, fixed cylinder; 501, cross plate; 502, bevel gear one; 503, bevel gear two. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the following will be described in conjunction with the accompanying drawings of the embodiments of this utility model. Figure 1-4 The technical solutions of the embodiments of this utility model are clearly and completely described herein. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model are within the protection scope of this utility model.

[0022] This embodiment provides an ammonia distillation apparatus, such as... Figure 1-4 The system includes a distillation tank 100 and a heater 200 located at its lower end. The inner cavity of the distillation tank 100 is equipped with a dispersing flow mechanism, which includes several distillation plates 300 vertically arranged within the inner cavity of the distillation tank 100. Each distillation plate 300 has a heating wire 301 at its lower end, and each distillation plate 300 has several overflow ports 302 arranged in a ring on its outer arc surface. The lower end of the distillation tank 100 is equipped with a liquid supply assembly for supplying liquid to the distillation plates 300. The distillation tank 100 also includes a stirring assembly for stirring ammonia water. The liquid supply assembly includes a pump 303 located at the lower end of the distillation tank 100. The pump 303 has an inlet... The liquid outlet is connected to the liquid outlet at the lower end of the distillation tank 100. The liquid outlet of the pump 303 is provided with a diversion pipe 304. Several liquid outlets of the diversion pipe 304 penetrate the tank wall of the distillation tank 100 and are fixedly connected to the corresponding distillation plates 300. Each distillation plate 300 is provided with a diversion cavity 305. Several liquid outlets of the diversion pipe 304 are respectively connected to the adjacent diversion cavity 305 on the same side. Several evenly distributed liquid outlet holes 306 are provided at the upper end of the inner arc surface of each distillation plate 300. The diversion cavity 305 is respectively connected to several liquid outlet holes 306 located on the same distillation plate 300. The bottom of the inner cavity of the distillation tank 100 is inclined downward from the outside to the inside.

[0023] First, an appropriate amount of ammonia water is injected into the distillation tank 100. Then, the heater 200, heating wire 301, and infusion pump 303 are started. The heater 200 distills the ammonia water at the bottom of the distillation tank 100, and the generated steam is discharged through the exhaust port at the top of the distillation tank 100. The infusion pump 303 injects the ammonia water in the inner cavity of the distillation tank 100 into the distribution chamber 305 through the distribution pipe 304. Then, the ammonia water is supplied into the distillation plate 300 through the liquid outlet 306 on the inner arc surface of the distillation plate 300. Finally, the heating wire 301 heats and evaporates the ammonia water, while the overflow port 302 guides the liquid downward to achieve dispersed flow and increase the ammonia concentration. The heated area, along with the stirring components scraping away residue from the inner wall of the distillation tank 100 and contacting the inner wall of the distillation plate 300 to promote liquid circulation, further promotes uniform contact between ammonia and heat. The inclined design of the bottom cavity of the distillation tank 100 ensures that residual liquid or unevaporated matter gathers towards the center for easy discharge. Through the dispersed heating, dynamic stirring, and forced mixing structure of the multi-stage distillation plate 300, the evaporation efficiency and distillation uniformity of ammonia are significantly improved. This effectively solves the problems of slow heating rate, local overheating, and uneven heat transfer caused by traditional overall heating, while avoiding material retention or scaling, thus achieving efficient and stable continuous distillation operation.

[0024] like Figure 2-4 As shown, the stirring assembly includes a rotating rod 400 rotatably connected to the upper end of the inner cavity of the distillation tank 100. The lower end of the rotating rod 400 is provided with a stirring scraper 401. The outer end of the stirring scraper 401 contacts the inner wall of the distillation tank 100. The middle part of the distillation plate 300 is provided with a rotating hole adapted to the rotating rod 400. The upper end of the distillation tank 100 is provided with a motor 403. The output shaft of the motor 403 is fixedly connected to the upper end of the rotating rod 400. The stirring assembly also includes a plurality of rotating plates 402 disposed on the outer arc surface of the rotating rod 400. The rotating plates 402 respectively contact the inner cavity of the distillation plate 300 located in the same horizontal plane.

[0025] When the motor 403 operates, its output shaft rotates to drive the rotating rod 400, the stirring scraper 401 and the rotating plate 402 to rotate synchronously. The rotating rod 400 scrapes off the residue on the inner wall of the distillation tank 100, and the rotating plate 402 contacts the inner wall of the distillation plate 300 to promote liquid circulation, further promoting the uniform contact between ammonia water and heat.

[0026] like Figure 2-4 As shown, it also includes a mixing component, which includes a fixed cylinder 500 located at the lower end of the distillation plate 300 at the lowest end. The lower end of the fixed cylinder 500 is provided with a circular hole that is adapted to the rotating rod 400. The lower end of the outer arc surface of the fixed cylinder 500 is rotatably connected to a plurality of evenly distributed cross plates 501. The mixing component also includes a bevel gear 502 respectively located at the inner end of the cross plate 501. The outer arc surface of the rotating rod 400 is provided with a bevel gear 503. The bevel gear 502 is meshed with the bevel gear 503.

[0027] When the rotating rod 400 rotates, it drives the second bevel gear 503 to rotate synchronously. When the second bevel gear 503 rotates, it drives the cross plate 501 to rotate through the bevel gear 502 that meshes with it, forming a dynamic vortex and enhancing the mixing of ammonia water.

[0028] The working principle of the ammonia distillation device provided by this utility model is as follows: First, an appropriate amount of ammonia water is injected into the distillation tank 100. Then, the heater 200, heating wire 301, and liquid pump 303 are started. The heater 200 distills the ammonia water at the bottom of the distillation tank 100, and the generated steam is discharged through the exhaust end at the top of the distillation tank 100. The liquid pump 303 injects the ammonia water in the inner cavity of the distillation tank 100 into the distribution cavity 305 through the distribution pipe 304. Then, the ammonia water is supplied into the distillation plate 300 through the liquid outlet hole 306 on the inner arc surface of the distillation plate 300. Finally, the heating wire 301 heats and evaporates the ammonia water. At the same time, the overflow port 302 guides the liquid to flow downward to achieve dispersed flow and increase the heating area. Simultaneously, the motor 403 operates, and its output shaft rotates to drive the rotating rod 400, the stirring scraper 401, and the rotating plate 402 to rotate synchronously. The rotating rod 400 scrapes the ammonia water. The residue on the inner wall of the distillation tank 100 is circulated by the contact between the rotating plate 402 and the inner wall of the distillation plate 300, which further promotes the uniform contact between ammonia and heat. When the rotating rod 400 rotates, it drives the second bevel gear 503 to rotate synchronously. When the second bevel gear 503 rotates, it drives the cross plate 501 to rotate through the bevel gear 502 that meshes with it, forming a dynamic vortex, which enhances the mixing of ammonia and improves the steam collection efficiency. The inclined design of the bottom cavity of the distillation tank 100 ensures that the residual liquid or unevaporated matter gathers towards the center for easy discharge. Through the dispersed heating, dynamic stirring and forced mixing structure of the multi-stage distillation plate 300, the evaporation efficiency and distillation uniformity of ammonia are significantly improved. It effectively solves the problems of slow heating rate, local overheating and uneven heat transfer caused by traditional overall heating, while avoiding material retention or scaling, and realizing efficient and stable continuous distillation operation.

[0029] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0030] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.

Claims

1. An ammonia distillation apparatus, characterized in that: The device includes a distillation tank (100) and a heater (200) disposed at its lower end. The inner cavity of the distillation tank (100) is provided with a dispersing flow mechanism. The dispersing flow mechanism includes a plurality of distillation plates (300) vertically disposed in the inner cavity of the distillation tank (100). Each distillation plate (300) is provided with a heating wire (301) at its lower end. Each distillation plate (300) is provided with a plurality of overflow ports (302) arranged in a ring on its outer arc surface. The lower end of the distillation tank (100) is provided with a liquid supply component for supplying liquid to the distillation plates (300). The distillation tank (100) is also provided with a stirring component for stirring ammonia water.

2. The ammonia distillation apparatus as described in claim 1, characterized in that: The liquid supply assembly includes a liquid pump (303) disposed at the lower end of the distillation tank (100). The inlet of the liquid pump (303) is connected to the outlet of the lower end of the distillation tank (100). The outlet end of the liquid pump (303) is provided with a diversion pipe (304). Several outlet ends of the diversion pipe (304) penetrate the tank wall of the distillation tank (100) and are fixedly connected to the corresponding distillation plate (300). Each distillation plate (300) is provided with a diversion cavity (305). Several outlet ends of the diversion pipe (304) are respectively connected to the adjacent diversion cavity (305) on the same side. Several evenly distributed outlet holes (306) are provided on the upper end of the inner arc surface of each distillation plate (300). The diversion cavity (305) is respectively connected to several outlet holes (306) located on the same distillation plate (300).

3. The ammonia distillation apparatus as described in claim 1, characterized in that: The stirring assembly includes a rotating rod (400) rotatably connected to the upper end of the inner cavity of the distillation tank (100). The lower end of the rotating rod (400) is provided with a stirring scraper (401). The outer end of the stirring scraper (401) contacts the inner wall of the distillation tank (100). The middle part of each of the distillation plates (300) is provided with a rotating hole adapted to the rotating rod (400). The upper end of the distillation tank (100) is provided with a motor (403). The output shaft of the motor (403) is fixedly connected to the upper end of the rotating rod (400).

4. The ammonia distillation apparatus as described in claim 3, characterized in that: The stirring assembly also includes a plurality of rotating plates (402) disposed on the outer arc surface of the rotating rod (400), and the rotating plates (402) respectively contact the inner cavity of the distillation plate (300) located in the same horizontal plane.

5. The ammonia distillation apparatus as described in claim 3, characterized in that: It also includes a mixing component, which includes a fixed cylinder (500) located at the lower end of the distillation plate (300) at the lowest end. The lower end of the fixed cylinder (500) is provided with a circular hole that is adapted to the rotating rod (400). The lower end of the outer arc surface of the fixed cylinder (500) is rotatably connected to a plurality of uniformly distributed cross plates (501).

6. The ammonia distillation apparatus as described in claim 5, characterized in that: The mixing assembly also includes a first bevel gear (502) disposed on the inner end of the cross plate (501), and a second bevel gear (503) disposed on the outer arc surface of the rotating rod (400). The first bevel gear (502) is meshed with the second bevel gear (503).

7. The ammonia distillation apparatus as described in claim 1, characterized in that: The bottom of the inner cavity of the distillation jar (100) is inclined downward from the outside to the inside.

Images