Recycling and purifying structure for byproduct ammonia water in ammonium carbamate production
By designing humidification and impurity removal mechanisms during the production process of ammonium carbamate, and using filter cloth and cleaning devices to remove impurities in ammonia, the problem of impurities blocked during ammonia collection is solved, and efficient recycling and purification of ammonia water is achieved.
Patent Information
- Application Number
- CN202420849272.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-23
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-04-23
AI Technical Summary
During the production process of ammonium carbamate, impurities tend to gather in the nozzle when ammonia is collected, resulting in scale formation, blocking the nozzle, affecting the ammonia absorption effect.
A purifying structure for ammonia water recovery and purification by-product of ammonium carbamate is designed, including a humidification mechanism and an impurity removal mechanism. It filters impurities through the upper filter cloth, and uses motor-driven cleaning short boards and brushes to clean impurities on the bottom surface of the filter cloth to ensure ammonia water. normal filtering.
Effectively remove impurities in ammonia, prevent nozzle blockage, ensure the normal operation of the ammonia collection process, and achieve efficient recycling and purification of ammonia water.
Smart Images
Figure CN222305313U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ammonium carbamate production, in particular to a structure for recovering and purifying by-product ammonia water from ammonium carbamate production. Background Art
[0002] Ammonium carbamate is an inorganic compound, commonly used as a plant fertilizer, because it contains nitrogen, which promotes plant growth. Ammonium carbamate production often leaves residual gases such as ammonia and carbon dioxide. In order to recycle ammonia and carbon dioxide, water spray towers and dilute sulfuric acid spray towers are often used to collect them. However, when using a water spray tower to collect ammonia, impurities mixed in the mixed gas tend to gather in the nozzle of the spray tower, which makes it easier to form scale over time, thereby clogging the nozzle and affecting the ammonia absorption effect.
[0003] In view of the above problems, a structure for recovering and purifying by-product ammonia water in ammonium carbamate production is proposed to solve the above problems. Utility Model Content
[0004] The utility model aims to provide a structure for recovering and purifying by-product ammonia water in ammonium carbamate production. The device is used to work, thereby solving the problem that impurities are easy to block the nozzle when ammonia gas is collected to form liquid ammonia.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a structure for recovering and purifying ammonia water produced as a byproduct of ammonium carbamate production, comprising a tower body, wherein a humidifying mechanism for humidifying ammonia gas to form ammonia water and an impurity removal mechanism for removing impurities in ammonia gas are arranged inside the tower body;
[0006] The impurity removal mechanism includes a mounting ring fixedly connected to the inner wall of the tower body, an upper surface of the mounting ring is provided with an inwardly inclined inclined surface, an inner wall of the mounting ring is provided with a mounting groove, an upper filter cloth is fixedly connected to the inner wall of the mounting groove, and an impurity removal component for removing impurities attached to the bottom surface of the upper filter cloth is provided inside the mounting ring, and the impurity removal component includes a fixing rod fixedly connected to the inner wall of the mounting ring, one end of the fixing rod is fixedly connected to a mounting chamber, an upper wall of the mounting chamber is fixedly connected to a motor, an output end of the motor is fixedly connected to a rotating shaft, an outer side of the rotating shaft is fixedly connected to a cleaning short plate, and a brush is fixedly connected to the upper surface of the cleaning short plate.
[0007] Preferably, fan blades are fixedly connected to the outer side of the rotating shaft.
[0008] Preferably, a lower frustum is fixedly connected to the bottom surface of the installation chamber.
[0009] Preferably, the humidifying mechanism includes a cooling pipe fixedly connected to the inner wall of the tower body, the inner wall of the cooling pipe is filled with coolant, the inner wall of the cooling pipe is fixedly connected to a liquid guide tube, the outside of the liquid guide tube is fixedly connected to a small pump, one end of the liquid guide tube is fixedly connected to a humidifying disk, and the bottom of the humidifying disk is fixedly connected to a water mist nozzle.
[0010] Preferably, a liquid storage component for collecting ammonia water is provided inside the tower body, the liquid storage component includes a liquid storage box fixedly connected to the inner wall, the upper surface of the liquid storage box is provided with an inwardly inclined slope, the inner wall of the liquid storage box is fixedly connected to the lower filter cloth, and one end of the liquid guide tube is fixedly connected to the liquid storage box.
[0011] Preferably, a feed pipe is fixedly connected to one side of the tower body, an exhaust valve is fixedly connected to the upper surface of the tower body, and a valve is fixedly connected to the upper surface of the tower body, and the exhaust valve and the valve are arranged correspondingly.
[0012] Preferably, a drainage pipe is fixedly connected to one side of the tower body, a liquid pump is fixedly connected to the outside of the drainage pipe, and one end of the drainage pipe passes through one side of the tower body and is arranged corresponding to the liquid storage box.
[0013] Preferably, a cleaning door is hinged on one side of the tower body.
[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0015] The utility model proposes a structure for recovering and purifying ammonia water which is a by-product of ammonium carbamate production. A feed pipe is used to pass mixed gas into the interior of a tower body, and at the same time, a small pump on the outside of a liquid guide pipe is turned on to spray water mist through a humidifying disk and a water mist nozzle, so as to humidify and collect ammonia gas. After the ammonia gas passes through an upper filter cloth, impurities in the gas are filtered on the bottom surface of the upper filter cloth, and at the same time, ammonia water continues to fall through the upper filter cloth to be collected by other components. A motor is turned on to drive a rotating shaft and a cleaning short plate to rotate, and a brush is used to clean impurities on the bottom surface of the upper filter cloth to ensure a normal filtering speed of the ammonia water, and finally the purpose of facilitating the removal of impurities in the process of collecting ammonia gas to form liquid ammonia is achieved. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 It is a schematic plan view of the internal structure of the tower body of the utility model;
[0018] Figure 3 This is a schematic diagram of the structure of the impurity removal mechanism of the utility model;
[0019] Figure 4 This is a schematic diagram of the structure of the impurity removal component of the utility model;
[0020] Figure 5 It is a schematic diagram of the structure of the humidifying mechanism and liquid storage component of the utility model.
[0021] In the figure: 1. tower body; 11. feed pipe; 12. discharge pipe; 121. liquid pump; 13. cleaning door; 14. exhaust valve; 15. valve; 2. impurity removal mechanism; 21. motor; 22. upper filter cloth; 23. mounting ring; 24. mounting groove; 25. impurity removal component; 251. mounting chamber; 252. lower cone; 253. fixing rod; 254. fan blade; 255. rotating shaft; 256. cleaning short plate; 257. brush; 3. humidification mechanism; 31. liquid guide tube; 32. cooling pipe; 33. humidification disc; 34. water mist nozzle; 4. liquid storage component; 41. liquid storage box; 42. lower filter cloth. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.
[0024] Combination Figure 1 A structure for recovering and purifying ammonia water produced as a byproduct of ammonium carbamate production comprises a tower body 1, inside of which a humidifying mechanism 3 for humidifying ammonia gas to form ammonia water and an impurity removal mechanism 2 for removing impurities in ammonia gas are arranged.
[0025] The utility model is further described below in conjunction with embodiments.
[0026] Combination Figure 2-Figure 5The impurity removal mechanism 2 includes a mounting ring 23 fixedly connected to the inner wall of the tower body 1, the upper surface of the mounting ring 23 is provided with an inwardly inclined inclined surface, the inner wall of the mounting ring 23 is provided with a mounting groove 24, the inner wall of the mounting groove 24 is fixedly connected with the upper filter cloth 22, and the interior of the mounting ring 23 is provided with an impurity removal component 25 for removing impurities attached to the bottom surface of the upper filter cloth 22, the impurity removal component 25 includes a fixed rod 253 fixedly connected to the inner wall of the mounting ring 23, one end of the fixed rod 253 is fixedly connected with a mounting chamber 251, the inner wall of the mounting chamber 251 is fixedly connected with a motor 21, the output end of the motor 21 is fixedly connected with a rotating shaft 255, the outer side of the rotating shaft 255 is fixedly connected with a cleaning short plate 256, and the upper surface of the cleaning short plate 256 is fixedly connected with a brush 257, through the motor 21, the upper filter cloth 22, and the mounting ring 23, the installation groove 24, the installation chamber 251, the fixing rod 253, the rotating shaft 255, the cleaning short plate 256 and the brush 257 are arranged. When the mixed gas containing ammonia is introduced into the interior of the tower body 1, the ammonia passes through the upper filter cloth 22, and the impurities in the gas are filtered on the bottom surface of the upper filter cloth 22. At the same time, the spray device arranged above the upper filter cloth 22 humidifies the ammonia to form ammonia water. The ammonia water passes through the upper filter cloth 22 and continues to fall to be collected by other components. The motor 21 is turned on, and the motor 21 drives the rotating shaft 255 and the cleaning short plate 256 to rotate. The impurities on the bottom surface of the upper filter cloth 22 are cleaned by the brush 257 to ensure the normal filtering speed of the ammonia water. The installation chamber 251 serves to protect the motor 21, and the fixing rod 253 serves to support and fix the installation chamber 251.
[0027] The outer side of the rotating shaft 255 is fixedly connected with a fan blade 254. The fan blade 254 can drive the gas inside the tower body 1 to flow upward, promote the contact between the ammonia water and the water mist, and facilitate the collection of the ammonia water.
[0028] A lower cone 252 is fixedly connected to the bottom surface of the installation chamber 251. The lower cone 252 facilitates the collection and dripping of liquid droplets attached to the fixing rod 253 and the outside of the installation chamber 251.
[0029] The humidifying mechanism 3 includes a cooling pipe 32 fixedly connected to the inner wall of the tower body 1, the inner wall of the cooling pipe 32 is filled with coolant, the inner wall of the cooling pipe 32 is fixedly connected to a liquid guide pipe 31, the outer side of the liquid guide pipe 31 is fixedly connected to a small pump, one end of the liquid guide pipe 31 is fixedly connected to a humidifying disk 33, the bottom surface of the humidifying disk 33 is fixedly connected to a water mist nozzle 34, through the arrangement of the liquid guide pipe 31, the cooling pipe 32, the humidifying disk 33 and the water mist nozzle 34, the humidifying disk 33 and the water mist nozzle 34 are used to spray water mist, the liquid guide pipe 31 is used to replenish water for the humidifying disk 33, and the cooling pipe 32 has a cooling effect on the liquid guide pipe 31.
[0030] A liquid storage component 4 for collecting ammonia water is arranged inside the tower body 1, and the liquid storage component 4 includes a liquid storage box 41 fixedly connected to the inner wall, and the upper surface of the liquid storage box 41 is provided with an inwardly inclined slope, and the inner wall of the liquid storage box 41 is fixedly connected to a lower filter cloth 42, and one end of the liquid guide tube 31 is fixedly connected to the liquid storage box 41. The arrangement of the liquid storage box 41 and the lower filter cloth 42 facilitates the collection of ammonia water falling from above, and at the same time, the liquid collected in the liquid storage box 41 is extracted through the liquid guide tube 31 and sprayed out from the water mist nozzle 34.
[0031] A feed pipe 11 is fixedly connected to one side of the tower body 1, an exhaust valve 14 is fixedly connected to the upper surface of the tower body 1, and a valve 15 is fixedly connected to the upper surface of the tower body 1. The exhaust valve 14 and the valve 15 are arranged correspondingly. The setting of the feed pipe 11, the exhaust valve 14 and the valve 15 facilitates the addition of gas and the discharge of other gases.
[0032] A drainage pipe 12 is fixedly connected to one side of the tower body 1, and a liquid pump 121 is fixedly connected to the outside of the drainage pipe 12. One end of the drainage pipe 12 passes through one side of the tower body 1 and is arranged corresponding to the liquid storage box 41. The drainage pipe 12 and the liquid pump 121 are arranged to facilitate the discharge of the collected ammonia water.
[0033] A cleaning door 13 is hinged on one side of the tower body 1. The cleaning door 13 facilitates cleaning and replacement of the upper filter cloth 22 and the lower filter cloth 42.
[0034] Specifically, the mixed gas is introduced into the tower body 1 through the feed pipe 11, and at the same time, the small pump outside the liquid guide pipe 31 is turned on, and the water mist is sprayed out through the humidifying disk 33 and the water mist nozzle 34, so as to humidify and collect the ammonia gas. After the ammonia gas passes through the upper filter cloth 22, the impurities in the gas are filtered on the bottom surface of the upper filter cloth 22, and at the same time, the ammonia water continues to fall through the upper filter cloth 22 and is collected by other components. The motor 21 is turned on, and the motor 21 drives the rotating shaft 255 and the cleaning short plate 256 to rotate. The impurities on the bottom surface of the upper filter cloth 22 are cleaned by the brush 257 to ensure the normal filtration speed of the ammonia water, and finally the purpose of facilitating the removal of impurities in the process of collecting ammonia gas to form liquid ammonia is achieved.
[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A structure for recovering and purifying ammonia water produced as a byproduct of ammonium carbamate production, comprising a tower body (1), characterized in that: The tower body (1) is provided with a humidifying mechanism (3) for humidifying ammonia gas to form ammonia water and an impurity removal mechanism (2) for removing impurities in the ammonia gas; The impurity removal mechanism (2) comprises a mounting ring (23) fixedly connected to the inner wall of the tower body (1); the upper surface of the mounting ring (23) is provided with an inwardly inclined inclined surface; the inner wall of the mounting ring (23) is provided with a mounting groove (24); the inner wall of the mounting groove (24) is fixedly connected to an upper filter cloth (22); an impurity removal component (25) for removing impurities attached to the bottom surface of the upper filter cloth (22) is provided inside the mounting ring (23); the impurity removal component (25) comprises a fixing rod (253) fixedly connected to the inner wall of the mounting ring (23); one end of the fixing rod (253) is fixedly connected to an installation chamber (251); the inner wall of the installation chamber (251) is fixedly connected to a motor (21); the output end of the motor (21) is fixedly connected to a rotating shaft (255); the outer side of the rotating shaft (255) is fixedly connected to a cleaning short plate (256); the upper surface of the cleaning short plate (256) is fixedly connected to a brush (257).
2. The structure for recovering and purifying by-product ammonia water from ammonium carbamate production according to claim 1, characterized in that: The outer side of the rotating shaft (255) is fixedly connected with a fan blade (254).
3. The structure for recovering and purifying by-product ammonia water from ammonium carbamate production according to claim 1, characterized in that: A lower frustum (252) is fixedly connected to the bottom surface of the installation chamber (251).
4. The structure for recovering and purifying by-product ammonia water from ammonium carbamate production according to claim 1, characterized in that: The humidifying mechanism (3) comprises a cooling pipe (32) fixedly connected to the inner wall of the tower body (1); the inner wall of the cooling pipe (32) is filled with cooling liquid; the inner wall of the cooling pipe (32) is fixedly connected to a liquid guide pipe (31); the outer side of the liquid guide pipe (31) is fixedly connected to a small pump; one end of the liquid guide pipe (31) is fixedly connected to a humidifying disc (33); and the bottom surface of the humidifying disc (33) is fixedly connected to a water mist nozzle (34).
5. The structure for recovering and purifying by-product ammonia water from ammonium carbamate production according to claim 4, characterized in that: A liquid storage component (4) for collecting ammonia water is arranged inside the tower body (1), the liquid storage component (4) comprises a liquid storage box (41) fixedly connected to the inner wall, the upper surface of the liquid storage box (41) is provided with an inwardly inclined slope, the inner wall of the liquid storage box (41) is fixedly connected to a lower filter cloth (42), and one end of the liquid guide tube (31) is fixedly connected to the liquid storage box (41).
6. The structure for recovering and purifying by-product ammonia water from ammonium carbamate production according to claim 1, characterized in that: A feed pipe (11) is fixedly connected to one side of the tower body (1), an exhaust valve (14) is fixedly connected to the upper surface of the tower body (1), and a valve (15) is fixedly connected to the upper surface of the tower body (1), and the exhaust valve (14) and the valve (15) are arranged correspondingly.
7. The structure for recovering and purifying by-product ammonia water from ammonium carbamate production according to claim 5, characterized in that: A liquid discharge pipe (12) is fixedly connected to one side of the tower body (1), a liquid pump (121) is fixedly connected to the outside of the liquid discharge pipe (12), and one end of the liquid discharge pipe (12) passes through one side of the tower body (1) and is arranged corresponding to the liquid storage box (41).
8. The structure for recovering and purifying by-product ammonia water from ammonium carbamate production according to claim 1, characterized in that: A cleaning door (13) is hingedly connected to one side of the tower body (1).