Ammonia water production equipment
By adopting a spiral ammonia delivery pipe and a cooling component design in the ammonia production equipment, the problem of unutilized heat after ammonia comes into contact with water is solved, achieving efficient energy utilization and stable product quality, and meeting different application needs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WENZHOU BONA SPECIAL GAS CO LTD
- Filing Date
- 2025-05-30
- Publication Date
- 2026-05-12
AI Technical Summary
During the production of ammonia water, the heat released when ammonia comes into contact with water is not effectively utilized, resulting in energy waste and hindering energy conservation and emission reduction.
Design an ammonia water production equipment, which uses an ammonia conveying pipe coiled around the outer periphery of the mixing vessel. The heat generated when ammonia and water are mixed is used to vaporize the liquid ammonia. Combined with cooling components and baffles, the equipment achieves efficient heat utilization and uniform cooling, preventing changes in ammonia water concentration.
It improves energy efficiency, reduces energy consumption, ensures the stability of ammonia concentration and product quality, meets the concentration requirements of different application scenarios, and improves the service life of equipment and production safety.
Smart Images
Figure CN224221310U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of chemical equipment, and in particular to an ammonia production equipment. Background Technology
[0002] Ammonia water is an important chemical raw material widely used in agriculture, pharmaceuticals, water treatment and other fields.
[0003] In industrial production, liquid ammonia is generally vaporized to form ammonia gas, which is then dissolved in water to produce ammonia water. The concentration of ammonia water is controlled by adjusting the amount of ammonia gas added.
[0004] However, the large amount of heat released when ammonia comes into contact with water is not effectively utilized, which results in energy waste and is not conducive to energy conservation and emission reduction. Utility Model Content
[0005] In order to improve resource utilization efficiency, this application provides an ammonia water production equipment.
[0006] The ammonia water production equipment provided in this application adopts the following technical solution:
[0007] An ammonia production device includes a tank, a liquid ammonia storage tank, and a mixing vessel fixed inside the tank. The top wall of the mixing vessel is connected to a spray pipe for conveying soft water. An air inlet is provided on the side wall of the mixing vessel. An ammonia conveying pipe is connected to the air inlet. One end of the ammonia conveying pipe is fixedly connected to the air inlet, and the other end is fixedly connected to the liquid ammonia storage tank. The ammonia conveying pipe is arranged to spiral around the outer periphery of the mixing vessel. A cooling component is fixedly connected to the outer periphery of the mixing vessel. A discharge port is provided at the bottom of the mixing vessel.
[0008] By adopting the above technical solution, the process of mixing ammonia gas and water to form ammonia water is an exothermic reaction, while the process of liquid ammonia forming ammonia gas requires the absorption of heat. The heat released during the mixing process can be absorbed by the liquid ammonia in the ammonia conveying pipe to form ammonia gas, providing sufficient heat for the vaporization of liquid ammonia, effectively improving energy utilization efficiency and reducing energy consumption. The cooling component can further cool down the mixing vessel, thereby ensuring that the ammonia water in the mixing vessel will not be heated and release ammonia gas again, ensuring the concentration of ammonia water and ensuring product quality.
[0009] Optionally, the cooling assembly includes a circulating water pump and a cold water pipe coiled around the outer wall of the mixing vessel, with the ammonia delivery pipe and the cold water pipe coiled alternately around the outer periphery of the mixing vessel.
[0010] By adopting the above technical solution, the alternating arrangement of cold water pipes and ammonia supply pipes achieves uniform cooling of the mixing vessel, thereby effectively preventing the ammonia from re-evaporating due to local overheating, which would affect the ammonia concentration and ensure product quality.
[0011] Optionally, the air inlet is fixedly connected to a vaporization chamber, and the ammonia delivery pipe passes through the vaporization chamber and is arranged in a spiral.
[0012] By adopting the above technical solution, the vaporization chamber can effectively ensure that the liquid ammonia in the ammonia delivery pipe is completely vaporized into ammonia gas, thereby allowing for more precise adjustment of the ammonia concentration. In actual production, ammonia water of the required concentration can be flexibly produced according to different needs, meeting the precise requirements of ammonia concentration in different application scenarios; at the same time, it can prevent liquid ammonia from directly dissolving in water, thereby preventing the heat of dissolution of liquid ammonia from causing thermal shock to the equipment and improving the service life of the equipment.
[0013] Optionally, the inner wall of the mixing vessel is connected to several baffles.
[0014] By adopting the above technical solution, the baffle plate can continuously change the direction of ammonia gas as it rises, thereby effectively prolonging the contact time between ammonia gas and water droplets and improving the efficiency of ammonia dissolving in water.
[0015] Optionally, a reflux pipe is provided at the top of the mixing vessel.
[0016] By adopting the above technical solution, during the dissolution process, some ammonia and water may evaporate due to the exothermic reaction. The reflux pipe can effectively condense the water and recombine it with ammonia to form ammonia water, thereby effectively improving the utilization rate of materials and ensuring product quality.
[0017] Optionally, the ammonia transfer pipe is equipped with a flow meter and a control valve, with the flow meter located on the side of the control valve near the liquid ammonia storage tank.
[0018] By adopting the above technical solutions, the delivery speed of liquid ammonia can be effectively controlled and adjusted according to the needs of the production process to ensure the normal operation of the process; the flow meter can effectively monitor and provide feedback on the flow rate of liquid ammonia in the ammonia delivery pipe, and work with the control valve to ensure that the liquid ammonia delivery volume is within a safe and controllable range, thus ensuring the safety of the production process.
[0019] Optionally, a cleaning pipe is connected to the middle of the ammonia transfer pipe, and the cleaning pipe is located on the side of the control valve away from the liquid ammonia storage tank.
[0020] By adopting the above technical solution, when the ammonia transmission pipe needs to be cleaned due to deposits or other reasons, the control valve is closed to prevent the cleaning medium from flowing into the liquid ammonia storage tank. The cleaning medium is introduced into the cleaning pipe, and the deposits flow out from the discharge port of the mixing vessel along with the cleaning medium, preventing the liquid ammonia from being blocked during transmission and ensuring the efficient operation of the ammonia transmission pipe.
[0021] Optionally, the side wall of the enclosure is provided with an air outlet, and an exhaust fan is installed inside the air outlet.
[0022] By adopting the above technical solution, some ammonia may leak during the production process. The leaked ammonia can be effectively discharged through the air outlet and exhaust fan, thereby effectively preventing ammonia from accumulating in the box, reducing the possibility of ammonia mixing with air to form an explosive mixture, reducing the risk of explosion, and improving the safety of use.
[0023] In summary, this application has the following beneficial effects:
[0024] 1. By spiraling the ammonia delivery pipe around the outer periphery of the mixing vessel, the heat generated when ammonia and water are mixed is effectively utilized to promote the vaporization of liquid ammonia in the delivery pipe, thereby effectively improving energy utilization efficiency and reducing energy consumption.
[0025] 2. By alternately setting up ammonia supply pipes and cold water pipes, uniform cooling of the mixing vessel can be achieved, reducing ammonia evaporation caused by local overheating and ensuring product stability. Attached Figure Description
[0026] Figure 1 This is a schematic diagram of the ammonia production equipment according to an embodiment of this application;
[0027] Figure 2 This is a schematic diagram of the structure of the mixing vessel according to an embodiment of this application;
[0028] Figure 3 This is a cross-sectional view of the mixing vessel according to an embodiment of this application;
[0029] Figure 4 This is a schematic diagram of the gasification chamber according to an embodiment of this application.
[0030] Explanation of reference numerals in the attached drawings: 1. Box body; 11. Air outlet; 12. Exhaust fan; 2. Liquid ammonia storage tank; 3. Mixing vessel; 31. Spray pipe; 32. Air inlet; 33. Ammonia transfer pipe; 331. Flow meter; 332. Control valve; 333. Cleaning pipe; 34. Discharge port; 35. Gasification chamber; 36. Return pipe; 37. Baffle plate; 4. Cooling assembly; 41. Circulating water pump; 42. Cold water pipe. Detailed Implementation
[0031] The following is in conjunction with the appendix Figure 1-4 This application will be described in further detail.
[0032] This application discloses an ammonia water production device. (Refer to...) Figure 1 , Figure 2The ammonia production equipment includes a housing 1, a liquid ammonia storage tank 2, and a mixing vessel 3 fixed inside the housing 1. The mixing vessel 3 has an air inlet 32 on its side wall, a spray pipe 31 for conveying soft water connected to its top wall, and a discharge port 34 at its bottom. A cooling assembly 4 is fixedly connected to the outer periphery of the mixing vessel 3. During ammonia production, soft water falls from the top of the mixing vessel 3, ammonia gas enters the mixing vessel 3 through the air inlet 32, rises to contact with the soft water, and dissolves in the soft water. Finally, the ammonia water is discharged from the discharge port 34 at the bottom of the mixing vessel 3 and stored in a tank, thus realizing the production of ammonia water. During this process, the cooling assembly 4 on the outer periphery of the mixing vessel 3 effectively reduces the heat of the mixing vessel 3, thereby preventing the ammonia water inside the mixing vessel 3 from re-evaporating due to heat and ensuring a stable ammonia concentration.
[0033] Reference Figure 2 , Figure 3 One end of the ammonia transfer pipe 33 is fixedly connected to the air inlet 32, and the other end is fixedly connected to the liquid ammonia storage tank 2. The ammonia transfer pipe 33 is coiled on the outer wall of the mixing vessel 3, spiraling from the bottom to the top of the mixing vessel 3. Liquid ammonia moves upward along the ammonia transfer pipe 33 from the bottom. A large amount of heat is released during the process of ammonia gas mixing with water to form ammonia water. The liquid ammonia in the ammonia transfer pipe 33 can absorb this heat to form ammonia gas, effectively improving energy utilization efficiency and reducing the temperature inside the reaction vessel to a certain extent, thus improving the stability of the production process.
[0034] Reference Figure 2 , Figure 3 The cooling assembly 4 includes a circulating water pump 41 and a cooling water pipe 42 coiled around the outer wall of the mixing vessel 3. The cooling water pipe 42 and the ammonia supply pipe 33 are alternately arranged in parallel on the outer wall of the mixing vessel 3. The cooling water in the cooling water pipe 42 moves in a spiral from the bottom to the top of the mixing vessel 3. The upward movement of the cooling water from the bottom ensures that the cooling water pipe 42 is filled with cooling water, making it less likely for air bubbles to appear, which would weaken the cooling effect of the cooling water pipe 42 and ensure the cooling effect on the mixing vessel 3. The alternating parallel arrangement of the cooling water pipe 42 and the ammonia supply pipe 33 ensures uniform cooling of the mixing vessel 3, preventing the ammonia in the ammonia water from re-evaporating due to local overheating, which would cause changes in the ammonia water concentration and effectively ensure product quality.
[0035] Reference Figure 3 , Figure 4 The air inlet 32 is fixedly connected to a vaporization chamber 35, and the ammonia delivery pipe 33 is spirally inserted through the vaporization chamber 35. The vaporization chamber 35 of the air inlet 32 ensures that the liquid ammonia can be completely vaporized, preventing the liquid ammonia from directly contacting water and generating a large amount of heat of dissolution that could damage the equipment and extend its service life. Moreover, compared to mixing liquid ammonia with water to form ammonia water, mixing ammonia gas with water makes it easier to achieve precise concentration adjustment, thereby producing ammonia water of different concentrations according to different usage needs and meeting the ammonia water concentration requirements of different application scenarios.
[0036] Reference Figure 3 , Figure 4 The mixing vessel 3 has several baffles 37 connected to its inner wall. One end of each baffle 37 is fixedly connected to the side wall of the mixing vessel 3, and the length of each baffle 37 is greater than the radius of the mixing vessel 3. Several baffles 37 are alternately arranged inside the mixing vessel 3. The baffles 37 form channels for the movement of soft water and ammonia. As the ammonia rises and the soft water falls, their movement directions are continuously changed, extending the movement path and effectively increasing the contact time between the two. This ensures that the ammonia can completely dissolve in the water, making the reaction between ammonia and water more complete within the same equipment volume, thereby improving the production efficiency and yield of ammonia water.
[0037] Reference Figure 3 A reflux pipe 36 is installed at the top of the mixing vessel 3, extending downwards to the lower part of the mixing vessel 3. During the ammonia dissolution process, the exothermic reaction may cause some ammonia and water to re-evaporate. The reflux pipe 36 can effectively condense the water and recombine it with the ammonia to form ammonia water, thus effectively improving the utilization rate of the material.
[0038] Reference Figure 1 , Figure 2 The ammonia transfer pipe 33 is connected to a flow meter 331 and a control valve 332. The flow meter 331 is located on the side of the control valve 332 near the liquid ammonia storage tank 2. During the transfer process, the control valve 332 can control the flow rate of liquid ammonia, and the flow meter 331 can visually reflect the flow rate of liquid ammonia in the ammonia transfer pipe 33 at this time. Workers adjust the control valve 332 according to the flow rate displayed by the flow meter 331, thereby ensuring that the liquid ammonia transfer volume is within a safe and controllable range and guaranteeing the safety of the production process.
[0039] Reference Figure 1 , Figure 2 A cleaning pipe 333 is connected to the middle of the ammonia conveying pipe 33, and the cleaning pipe 333 is located on the side of the control valve 332 away from the liquid ammonia storage tank 2. After a long period of production, some deposits may form in the ammonia conveying pipe 33, causing blockage. The cleaning pipe 333 can be purged with a cleaning medium to clean the pipe. The deposits flow out from the outlet 34 of the mixing vessel 3 with the cleaning medium, thus ensuring the normal operation of the ammonia conveying pipe 33. The cleaning pipe 333 is located on the side of the control valve 332 away from the liquid ammonia storage tank 2, so that when cleaning is performed, closing the control valve 332 can effectively prevent the cleaning medium from flowing into the liquid ammonia storage tank 2, thus ensuring the normal operation of the raw materials.
[0040] Reference Figure 1 The top wall of the housing 1 has an air outlet 11, and an exhaust fan 12 is installed inside the air outlet 11. During the ammonia production process, some ammonia gas may leak. During the production process, the exhaust fan 12 runs continuously to effectively discharge the leaked ammonia gas inside the housing 1, effectively preventing the ammonia gas from continuing to accumulate inside the housing 1, reducing the risk of explosion, and improving production safety.
[0041] The implementation principle of an ammonia water production device according to an embodiment of this application is as follows: the control valve 332 is opened to adjust the liquid ammonia flow rate. The liquid ammonia moves around the outer periphery of the mixing vessel 3 along the ammonia conveying pipe 33. The cooling water moves around the outer periphery of the mixing vessel 3 through the cold water pipe 42. The cold water pipe 42 and the ammonia conveying pipe 33 are arranged alternately in a spiral to achieve uniform heat dissipation. After passing through the vaporization chamber 35, the liquid ammonia enters the mixing vessel 3 through the air inlet 32. The spray pipe 31 sprays soft water downward from the top of the mixing vessel 3 to mix with the ammonia gas, thereby forming ammonia water. During this process, the ammonia gas dissolves in the water and releases a large amount of heat of solution, which causes the mixing vessel 3 to heat up. The liquid ammonia in the outer ammonia conveying pipe 33 can absorb this heat and achieve partial vaporization, thereby achieving effective utilization of heat, improving resource utilization rate, and reducing energy consumption.
[0042] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.
Claims
1. An ammonia production equipment, comprising a housing (1), a liquid ammonia storage tank (2), and a mixing vessel (3) fixed inside the housing (1), characterized in that: The mixing vessel (3) is connected to a spray pipe (31) for conveying soft water on its inner top wall. An air inlet (32) is provided on the side wall of the mixing vessel (3). An ammonia conveying pipe (33) is connected to the air inlet (32). One end of the ammonia conveying pipe (33) is fixedly connected to the air inlet (32), and the other end is fixedly connected to the liquid ammonia storage tank (2). The ammonia conveying pipe (33) is arranged to spiral around the outer periphery of the mixing vessel (3). A cooling component (4) is fixedly connected to the outer periphery of the mixing vessel (3). A discharge port (34) is provided at the bottom of the mixing vessel (3).
2. The ammonia water production equipment according to claim 1, characterized in that: The cooling assembly (4) includes a circulating water pump (41) and a cold water pipe (42) coiled around the outer wall of the mixing vessel (3). The ammonia supply pipe (33) and the cold water pipe (42) are alternately coiled around the outer periphery of the mixing vessel (3).
3. The ammonia water production equipment according to claim 1, characterized in that: The air inlet (32) is fixedly connected to the vaporization chamber (35), and the ammonia conveying pipe (33) passes through the vaporization chamber (35) and is arranged in a spiral.
4. The ammonia water production equipment according to claim 1, characterized in that: A reflux pipe (36) is installed on the top of the mixing vessel (3).
5. The ammonia water production equipment according to claim 1, characterized in that: The inner wall of the mixing vessel (3) is connected to several baffles (37).
6. The ammonia water production equipment according to claim 1, characterized in that: The ammonia transfer pipe (33) is equipped with a flow meter (331) and a control valve (332). The flow meter (331) is located on the side of the control valve (332) near the liquid ammonia storage tank (2).
7. The ammonia water production equipment according to claim 6, characterized in that: A cleaning pipe (333) is connected to the middle of the ammonia transfer pipe (33), and the cleaning pipe (333) is located on the side of the control valve (332) away from the liquid ammonia storage tank (2).
8. The ammonia water production equipment according to claim 1, characterized in that: The side wall of the box (1) is provided with an air outlet (11), and an exhaust fan (12) is provided inside the air outlet (11).