Ammonia gas generator for aeration and hydrolysis of ammonium bicarbonate aqueous solution
The carbonic acid ammonium solution aeration hydrolysis ammonia generator addresses safety and efficiency issues in ammonia production by using aeration and water bath heating to enhance decomposition and gas release, providing a safer and more efficient method for ammonia generation.
Patent Information
- Application Number
- CN202421902487.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-07
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-08-07
AI Technical Summary
In the prior art, the use of liquid ammonia or aqueous ammonia solution to prepare ammonia gas has safety risks and wastes heat energy. Injecting urea into the boiler will affect the structure and produce residues, resulting in unsafe and inefficient ammonia preparation.
The aqueous ammonium bicarbonate solution aerated hydrolysis method is used, and the rotating rod and stirred leaves driven by a rotating motor are combined with the aeration machine, combined with water bath heating and flue gas introduction, to achieve efficient decomposition of ammonium bicarbonate and ammonia generation.
It has high safety, fast ammonia generation efficiency, and no residue is generated, which improves the generation speed and efficiency of ammonia and reduces the impact on the equipment.
Smart Images
Figure CN223096745U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of ammonia generation, in particular to an ammonia generator for aeration hydrolysis of ammonium bicarbonate aqueous solution. Background Art
[0002] The molecular formula of ammonia is NH3. Nitrogen-containing inorganic salts, organic intermediates, sulfonamides, polyurethanes, polyamide fibers, nitrile rubber, etc. all directly use ammonia as raw materials and are widely used in the fields of chemical industry, light industry, chemical fertilizer, pharmacy, synthetic fiber, etc. Ammonia is also a reducing agent for denitrification processes. The main sources of ammonia are mainly by directly spraying liquid ammonia, ammonia aqueous solution or urea aqueous solution into the boiler, etc. Using liquid ammonia or ammonia aqueous solution to obtain ammonia has certain potential safety hazards, while spraying urea aqueous solution into the furnace will waste a large amount of high-quality heat energy, and there are certain residues during the pyrolysis of urea, which has a certain impact on the internal structure of the boiler. Content of the Utility Model
[0003] The purpose of the utility model is to provide an ammonia generator for aeration hydrolysis of ammonium bicarbonate aqueous solution to solve the problems raised in the background art.
[0004] To achieve the above purpose, the utility model provides the following technical solution: An ammonia generator for aeration hydrolysis of ammonium bicarbonate aqueous solution, including a storage barrel storing ammonium bicarbonate aqueous solution and a treatment barrel. A rotating motor and a plurality of aerators for assisting ammonia hydrolysis arranged in a circular array are installed at the top of the treatment barrel, and the working part of the aerator penetrates through the treatment barrel and extends below the liquid level of the treatment barrel;
[0005] The output shaft of the rotating motor is connected with a rotating rod penetrating through the treatment barrel, and a plurality of upper stirring blades and lower stirring blades for assisting ammonia hydrolysis are connected to the outer circumference of the rotating rod. A plurality of upper stirring blades are located between a plurality of aerators, and a plurality of lower stirring blades are all below a plurality of aerators.
[0006] As a preferred implementation, a water bath barrel storing water liquid is arranged on the outer circumference of the treatment barrel. The water bath barrel is connected and fixed to the treatment barrel through a plurality of connecting rods, and an air discharge pipe is communicated with the top of the water bath barrel.
[0007] As a preferred implementation, a plurality of heating pipes are installed on the inner wall of the water bath barrel. Temperature sensors are installed on both the outer circumference and the inner wall of the treatment barrel, and a servo motor is installed at the bottom of the water bath barrel.
[0008] As a preferred implementation, the output shaft of the servo motor penetrates through the water bath barrel and is connected with a round rod, and a stirring blade for improving the temperature uniformity is connected to the outer circumference of the round rod.
[0009] As a preferred implementation, a water outlet pipe and a ventilation pipe with electromagnetic valves are communicated with the bottom of the treatment barrel, and both the water outlet pipe and the ventilation pipe penetrate through the water bath barrel. The ventilation pipe is communicated with an external flue gas device.
[0010] As a preferred embodiment, a protective cover for protecting a rotating motor and a plurality of aerators is connected to the top of the treatment barrel, an air outlet pipe connected to an external denitrification device is also connected to the top of the treatment barrel, and the air outlet pipe passes through the protective cover and extends to the outside of the protective cover, a test device for testing ammonia leakage is also connected to the top of the treatment barrel, and the test device is inside the protective cover.
[0011] As a preferred embodiment, a power pump is installed on the outer periphery of the storage barrel, the power pump is connected to the storage barrel through a liquid inlet pipe, and the power pump is connected to the upper half of the processing barrel through a liquid outlet pipe.
[0012] As a preferred embodiment, a plurality of supporting legs are installed at the bottom end of the water bath.
[0013] As a preferred embodiment, the sides of the treatment barrel and the protective cover are both embedded with perspective windows for easy observation from the outside.
[0014] Compared with the prior art, the technical effects and advantages of the utility model are as follows:
[0015] The ammonium bicarbonate aqueous solution aeration and hydrolysis ammonia generator pumps the ammonium bicarbonate aqueous solution in the storage barrel into the treatment barrel, and then performs aeration and hydrolysis, and the substances produced include ammonia, water and carbon dioxide, without any residue or harmful substances, and without affecting the overall equipment, thus ensuring safety;
[0016] The aeration and hydrolysis ammonia generator of the ammonium bicarbonate aqueous solution can disperse the ammonium bicarbonate aqueous solution, improve the decomposition effect of the ammonium bicarbonate and the gas discharge speed, and the rotating motor drives the rotating rod, the upper stirring blade and the lower stirring blade to rotate to stir the liquid, and cooperates with the aeration of the aerator to further improve the decomposition effect of the ammonium bicarbonate and the gas discharge speed;
[0017] The ammonium bicarbonate aqueous solution aeration hydrolysis ammonia generator, the heating pipe cooperates with the water bath barrel to perform water bath heating on the treatment barrel and the ammonium bicarbonate aqueous solution therein, thereby increasing the decomposition speed of the ammonium bicarbonate, the servo motor drives the round rod and the toggle blade to rotate, thereby increasing the temperature uniformity of the water bath heating, and the flue gas equipment can be used to directly introduce high-temperature flue gas into the treatment barrel through the ventilation pipe, so that the flue gas directly contacts the ammonium bicarbonate aqueous solution, thereby reducing the subsequent processing burden;
[0018] The ammonium bicarbonate aqueous solution aeration hydrolysis ammonia generator is not only highly safe but also has a fast ammonia generation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0020] Figure 1 It is a schematic diagram of the structure of the utility model;
[0021] Figure 2 This is a schematic diagram of the structure of the utility model after removing the protective cover;
[0022] Figure 3 It is a cross-sectional view of the processing barrel of the utility model;
[0023] Figure 4 It is a structural schematic diagram of the rotating electrical machine of the utility model.
[0024] Description of reference numerals:
[0025] In the figure:
[0026] 1. Storage barrel; 2. Treatment barrel; 3. Rotating motor; 4. Aerator; 5. Rotating rod; 6. Upper stirring blade; 7. Lower stirring blade; 8. Water bath; 9. Connecting rod; 10. Heating tube; 11. Temperature sensor; 12. Servo motor; 13. Round rod; 14. Paddle blade; 15. Water outlet pipe; 16. Ventilation pipe; 17. Protective cover; 18. Air outlet pipe; 19. Power pump; 20. Liquid inlet pipe; 21. Liquid outlet pipe; 22. Support legs. DETAILED DESCRIPTION
[0027] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the utility model, some technical features known in the art are not described.
[0028] Unless otherwise defined, the directions of up, down, left, right, front, back, inside and outside involved in this document are based on the directions of up, down, left, right, front, back, inside and outside in the figures shown in the present utility model, and are explained here together.
[0029] The connection method can be bonding, welding, bolt connection, etc., depending on actual needs.
[0030] The liquid in this application has certain particularities, and all instruments and structures are specially protected. For gases, targeted sealing treatment is carried out to reduce the possibility of gas escape. The overall structure and instruments are regularly repaired and maintained to ensure safety.
[0031] See also Figures 1 to 4 As shown, an ammonia generator for aeration and hydrolysis of ammonium bicarbonate aqueous solution, the present embodiment comprises a storage barrel 1 and a treatment barrel 2 for storing ammonium bicarbonate aqueous solution, a rotating motor 3 and a plurality of aerators 4 arranged in a ring array for assisting ammonia hydrolysis are installed on the top of the treatment barrel 2, and the working part of the aerator 4 penetrates the treatment barrel 2 and extends to below the liquid surface of the treatment barrel 2, the output shaft of the rotating motor 3 is connected to a rotating rod 5 penetrating the treatment barrel 2, the outer periphery of the rotating rod 5 is connected to a plurality of upper stirring blades 6 and lower stirring blades 7 for assisting ammonia hydrolysis, the plurality of upper stirring blades 6 are located between the plurality of aerators 4, the plurality of lower stirring blades 7 are all located below the plurality of aerators 4, the aerator 4 can disperse the ammonium bicarbonate aqueous solution, the rotating motor 3 drives the rotating rod 5, the upper stirring blades 6 and the lower stirring blades 7 to rotate, stirs the liquid, cooperates with the aeration of the aerator 4, and further improves the decomposition effect of ammonium bicarbonate and the discharge speed of gas.
[0032] In order to perform water bath heating, a water bath 8 containing water is provided on the periphery of the treatment barrel 2. The water bath 8 is connected and fixed to the treatment barrel 2 by multiple connecting rods 9. A plurality of supporting legs 22 are installed at the bottom end of the water bath 8. The top of the water bath 8 is connected to a vent pipe. A plurality of heating pipes 10 are installed on the inner wall of the water bath 8. The heating pipes 10 are turned on in advance for heating to achieve water bath heating, or high-temperature flue gas is directly introduced through a ventilation pipe 16 using a flue gas device. A temperature sensor 11 is installed on the periphery and inner wall of the treatment barrel 2. A servo motor 12 is installed on the bottom end of the water bath 8. The output shaft of the servo motor 12 passes through the water bath 8 and is connected to a round rod 13. The periphery of the round rod 13 is connected to a toggle leaf 14 for improving temperature uniformity. The servo motor 12 drives the round rod 13 and the toggle leaf 14 to rotate, thereby improving the temperature uniformity of the water bath heating. Compared with direct heating, safety can be ensured.
[0033] In order to meet the needs of use, the bottom end of the treatment barrel 2 is connected with a water outlet pipe 15 and a ventilation pipe 16 with a solenoid valve, and the water outlet pipe 15 and the ventilation pipe 16 both pass through the water bath barrel 8. The ventilation pipe 16 is connected to the external flue gas equipment. The heating pipe 10 is opened in advance for heating to achieve water bath heating, or the flue gas equipment is used to directly introduce high-temperature flue gas through the ventilation pipe 16.
[0034] To further prevent the leakage of gases such as ammonia, a protective cover 17 for protecting the rotary motor 3 and multiple aerators 4 is connected to the top of the treatment barrel 2. An air outlet pipe 18 connected to an external denitration device is also communicated with the top of the treatment barrel 2, and the air outlet pipe 18 passes through the protective cover 17 and extends to the outside of the protective cover 17. A testing device for testing ammonia leakage is also connected to the top of the treatment barrel 2, and the testing device is located inside the protective cover 17. Transparent windows for facilitating external observation are embedded in the sides of both the treatment barrel 2 and the protective cover 17.
[0035] A power pump 19 is installed on the outer periphery of the storage barrel 1. The power pump 19 is communicated with the storage barrel 1 through an inlet pipe 20, and the power pump 19 is communicated with the upper half of the treatment barrel 2 through an outlet pipe 21.
[0036] The rotary motor 3, the aerator 4, the heating pipe 10, the temperature sensor 11, the servo motor 12, and the power pump 19 are all conventional instruments. Their working principles, dimensions, and models are irrelevant to the problems solved by this application, so no more description will be given. The control mode of the present utility model is controlled by a controller. The control circuit of the controller can be realized by simple programming by those skilled in the art. The provision of power also belongs to the common knowledge in the art. And since the present utility model mainly protects mechanical devices, the control mode and circuit connection of the present utility model will not be explained in detail.
[0037] Working Principle
[0038] For this ammonium bicarbonate aqueous solution aeration hydrolysis ammonia generator, first turn on the heating pipe 10 for heating to achieve water bath heating, or directly introduce high-temperature flue gas through the vent pipe 16 using flue gas equipment. Turn on the power pump 19 to pump the ammonium bicarbonate aqueous solution into the treatment barrel 2. The aerator 4 can disperse the ammonium bicarbonate aqueous solution. The rotary motor 3 drives the rotating rod 5, the upper stirring blade 6, and the lower stirring blade 7 to rotate to stir the liquid, and cooperate with the aeration of the aerator 4 to further improve the decomposition effect of ammonium bicarbonate and the gas discharge speed.
[0039] It should be noted that in this article, relational terms such as "one" and "two" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. Without further limitation. An element defined by the statement "including one..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.
[0040] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. An ammonia gas generator for aeration hydrolysis of ammonium bicarbonate aqueous solution, comprising a storage barrel (1) and a treatment barrel (2) storing ammonium bicarbonate aqueous solution, characterized in that: A rotating motor (3) and a plurality of aerators (4) for assisting ammonia hydrolysis arranged in an annular array are installed at the top of the treatment barrel (2), and the working part of the aerator (4) penetrates through the treatment barrel (2) and extends below the liquid level of the treatment barrel (2). The output shaft of the rotating motor (3) is connected to a rotating rod (5) that penetrates through the treatment barrel (2). A plurality of upper stirring blades (6) and lower stirring blades (7) for assisting ammonia hydrolysis are connected to the outer periphery of the rotating rod (5). A plurality of the upper stirring blades (6) are located between the plurality of aerators (4), and a plurality of the lower stirring blades (7) are all located below the plurality of aerators (4).
2. The ammonia generator for aerating and hydrolyzing ammonium bicarbonate aqueous solution according to claim 1, wherein A water bath barrel (8) storing water liquid is arranged on the outer periphery of the treatment barrel (2). The water bath barrel (8) is fixedly connected to the treatment barrel (2) through a plurality of connecting rods (9). A gas discharge pipe is communicated with the top of the water bath barrel (8).
3. The ammonia gas generator by aeration hydrolysis of ammonium bicarbonate aqueous solution according to claim 2, wherein A plurality of heating pipes (10) are installed on the inner wall of the water bath barrel (8). Temperature sensors (11) are installed on both the outer periphery and the inner wall of the treatment barrel (2). A servo motor (12) is installed at the bottom of the water bath barrel (8).
4. An ammonium bicarbonate aqueous solution aeration hydrolysis ammonia generator according to claim 3, characterized in that, The output shaft of the servo motor (12) penetrates through the water bath barrel (8) and is connected to a round rod (13). A stirring blade (14) for improving the temperature uniformity is connected to the outer periphery of the round rod (13).
5. An ammonium bicarbonate aqueous solution aeration hydrolysis ammonia generator according to claim 3, characterized in that, A water outlet pipe (15) with a solenoid valve and a ventilation pipe (16) are communicated with the bottom of the treatment barrel (2), and both the water outlet pipe (15) and the ventilation pipe (16) penetrate through the water bath barrel (8). The ventilation pipe (16) is communicated with an external flue gas device.
6. The ammonia generator by aeration hydrolysis of ammonium bicarbonate aqueous solution according to claim 1, characterized in that, A protective cover (17) for protecting the rotating motor (3) and the plurality of aerators (4) is connected to the top of the treatment barrel (2). An air outlet pipe (18) connected to an external denitration device is also communicated with the top of the treatment barrel (2), and the air outlet pipe (18) penetrates through the protective cover (17) and extends to the outside of the protective cover (17). A testing device for testing ammonia leakage is also connected to the top of the treatment barrel (2), and the testing device is located inside the protective cover (17).
7. An ammonium bicarbonate aqueous solution aeration hydrolysis ammonia generator according to claim 1, characterized in that, A power pump (19) is installed on the outer periphery of the storage barrel (1). The power pump (19) is communicated with the storage barrel (1) through a liquid inlet pipe (20), and the power pump (19) is communicated with the upper half of the treatment barrel (2) through a liquid outlet pipe (21).
8. An ammonium bicarbonate aqueous solution aeration hydrolysis ammonia generator according to claim 3, characterized in that, A plurality of support legs (22) are installed at the bottom of the water bath barrel (8).
9. The ammonia gas generator by aeration hydrolysis of ammonium bicarbonate aqueous solution according to claim 6, characterized in that, Perspective windows for facilitating external observation are embedded and installed on the sides of both the treatment barrel (2) and the protective cover (17).