Production device for producing ammonium bicarbonate by recovering carbon dioxide from carbon-containing tail gas

Abstract

The utility model relates to the technical field of ammonium bicarbonate production, and discloses a production device for producing ammonium bicarbonate by recovering carbon dioxide from carbon-containing tail gas, which comprises a first box body, a filtering mechanism is arranged on the front surface of a second box body, and a stirring mechanism is arranged at the top of the first box body. By means of the filtering mechanism, high-concentration ammonia water obtained after deamination and concentration is poured into the second box body through a feeding pipe, impurity particles in the ammonia water are filtered through a filtering plate in the second box body, the impurity particles are prevented from being injected into the first box body along with the ammonia water, the filtering plate is pulled out of a sliding groove, the filtering plate is replaced, and the filtering effect is good. The replaced filter plate slides into a sliding groove, the left side of the filter plate can make contact with the right end of a fixing block, the fixing block can abut against the left side of the filter plate through the elastic force of a spring to fix the filter plate, and ammonia water in the first box body and various tail gases in carbon dioxide can fully react through a stirring mechanism and two rotating modes of a stirring rod; ammonium bicarbonate is generated.

Description

Technical Field

[0001] The utility model relates to the technical field of ammonium bicarbonate production, in particular to a production device for producing ammonium bicarbonate by recycling carbon dioxide from carbon-containing tail gas. Background Art

[0002] The process of recovering carbon dioxide from carbon-containing tail gas to produce bicarbonate mainly involves two important chemicals: carbon dioxide and ammonium bicarbonate. Carbon dioxide is a common industrial waste gas, usually a by-product of combustion processes or certain chemical reactions. In many industrial production processes, such as coking, synthetic compounding, etc., a large amount of carbon dioxide is produced. Bicarbonate is a commonly used fertilizer, containing about 17.7% nitrogen. Its chemical formula is NH4HCO3, which can be obtained by the chemical reaction of ammonia and carbon dioxide. Therefore, the basic principle of recovering carbon dioxide from carbon-containing tail gas to produce bicarbonate is to use the carbon dioxide in these industrial waste gases and convert it into ammonium bicarbonate through chemical reactions, so as to achieve the purpose of waste utilization and reduce environmental pollution.

[0003] According to patent CN 206590911 U, a ferric carbonate production device includes a synthesis device and a collection device, and the bottom opening of the synthesis device is connected to the collection device. The synthesis device includes a synthesis tower, which is filled with water. A chlorine introduction mechanism and a carbon dioxide introduction mechanism are provided in the synthesis tower. The chlorine introduction mechanism includes a rich gas introduction pipe and a re-gas diffusion surface, and the carbon dioxide introduction mechanism includes a carbon dioxide introduction pipe and a carbon dioxide diffusion surface. The chlorine diffusion surface and the carbon dioxide diffusion surface are arranged corresponding to each other.

[0004] This patent directly mixes high-concentration ammonia water and carbon dioxide. The high-concentration ammonia water may contain particulate impurities, which will affect the reaction between the ammonia water and carbon dioxide. Utility Model Content

[0005] The utility model aims to provide a production device for producing ammonium bicarbonate by recycling carbon dioxide from carbon-containing tail gas, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a production device for producing ammonium bicarbonate by recycling carbon dioxide from carbon-containing tail gas, comprising a first box body, an air inlet pipe is fixedly connected to the top of the first box body near the front, a first discharge pipe is fixedly connected to the bottom of the first box body, a support rod is fixedly connected to the left side of the top of the box body, a second box body is fixedly connected to the top of the support rod, a feed pipe is fixedly connected to the top of the second box body, a second discharge pipe is fixedly connected to the bottom of the second box body, a filtering mechanism is arranged on the front of the second box body, and a stirring mechanism is arranged on the top of the first box body;

[0007] The stirring mechanism comprises a rotating assembly and a mixing assembly. The rotating assembly is arranged on the top of the first box body, and the mixing assembly is arranged inside the rotating assembly.

[0008] Preferably, the bottom end of the second discharge pipe is fixedly connected to the left side of the top of the first box body, and the bottom end of the second discharge pipe extends into the first box body.

[0009] Preferably, the filtering mechanism includes a slide groove, which is opened on the front side of the second box body, and a filter plate is slidably connected in the slide groove. A fixed block is slidably connected to the left side of the second box body, and a limiting ring is fixedly connected to the surface of the fixed block. A spring is symmetrically fixedly connected to the left side of the limiting ring, and a connecting frame is fixedly connected to the left side of the second box body.

[0010] Preferably, the right end of the fixed block extends into the second box and is located in the slide groove, the other end of the spring is fixedly connected to the left side of the connecting frame, and the limiting ring limits the fixed block so that the fixed block will not completely slide into the second box due to the elastic force of the spring.

[0011] Preferably, the rotating assembly includes an L-block, the L-block is fixedly connected to the right side of the top of the first box body, the bottom of the L-block is fixedly connected to a motor, the top of the box body is fixedly connected to a bearing, the inner ring of the bearing is fixedly connected to a rotating shaft, the bottom end of the rotating shaft is fixedly connected to a fan blade, the surface of the rotating shaft is fixedly connected to a first pulley near the top, the surface of the motor output shaft is fixedly connected to a second pulley, and a belt is sleeved between the first pulley and the second pulley.

[0012] Preferably, there are six groups of fan blades, which are fixedly connected to the bottom end of the rotating shaft in a centrally symmetrical manner around the rotating shaft. The fan blades can make the high-concentration ammonia water in the first box float up and down to form a reflux.

[0013] Preferably, the mixing assembly includes a connecting plate, which is fixedly connected to the surface of the rotating shaft, a stirring rod is rotatably connected to the right side of the top of the connecting plate, a gear is fixedly connected to the surface of the stirring rod near the top, and an internal gear ring is fixedly connected to the inner wall of the first box body near the top.

[0014] Preferably, the bottom end of the stirring rod extends below the connecting plate, and the gear is meshed with the inner gear ring.

[0015] Compared with the prior art, the utility model provides a production device for producing ammonium bicarbonate by recycling carbon dioxide from carbon-containing tail gas, which has the following beneficial effects:

[0016] 1. The production device for producing ammonium bicarbonate by recycling carbon dioxide from carbon-containing tail gas, through a filtering mechanism, pours the high-concentration ammonia water obtained after deammoniation and concentration into the second box through a feed pipe, and filters the impurity particles in the ammonia water through the filter plate in the second box to prevent the impurity particles from being injected into the first box together with the ammonia water, and pulls the filter plate out of the chute, replaces the filter plate, slides the replaced filter plate into the chute, and the left side of the filter plate contacts the right end of the fixed block, and the fixed block can resist the left side of the filter plate through the elastic force of the spring to fix the filter plate.

[0017] 2. The production device for producing ammonium bicarbonate by recycling carbon dioxide from carbon-containing tail gas, through the stirring mechanism, closes the first discharge pipe through the valve, the filtered ammonia water will enter the first box through the second discharge pipe, and then the carbon dioxide will be injected into the first box through the feed pipe according to the content of the ammonia water in the first box, after the injection is completed, the feed pipe is blocked, and then the motor is started, the second pulley is rotated by the work of the motor, the second pulley rotates the rotating shaft through the cooperation of the first pulley and the belt, the rotation of the rotating shaft will cause the fan blades to rotate, the fan blades will drive the ammonia water in the first box to form an upward and downward reflux, the rotation of the rotating shaft will also drive the connecting plate to rotate, the rotation of the connecting plate will drive the stirring rod to rotate around the rotating shaft, and the stirring rod can rotate due to the meshing of the gear and the inner gear ring, the two rotation modes of the stirring rod can make the ammonia water in the first box and the various tail gases in the carbon dioxide react fully to generate ammonium bicarbonate, after the reaction is completed, the feed pipe is opened, the carbon dioxide is discharged from the feed port, the valve is opened, and the ammonium bicarbonate is discharged from the first discharge pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. 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 labor:

[0019] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structural chute and filter plate of the utility model;

[0021] Figure 3 for Figure 2 The enlarged structural diagram at A in the middle;

[0022] Figure 4 This is a schematic diagram of the rotating assembly of the utility model structure;

[0023] Figure 5This is a schematic diagram of the fan blade structure of the utility model;

[0024] Figure 6 It is a schematic diagram of the structural mixing component of the utility model.

[0025] In the figure: 1. first housing; 2. air inlet pipe; 3. first discharge pipe; 4. support rod; 5. second housing; 6. feed pipe; 7. second discharge pipe; 8. filtering mechanism; 81. slideway; 82. filter plate; 83. fixing block; 84. limiting ring; 85. spring; 86. connecting frame; 9. stirring mechanism; 91. rotating assembly; 911. L block; 912. motor; 913. bearing; 914. rotating shaft; 915. first pulley; 916. second pulley; 917. belt; 918. fan blade; 92. mixing assembly; 921. connecting plate; 922. stirring rod; 923. gear; 924. inner gear ring. DETAILED DESCRIPTION

[0026] 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.

[0027] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] The utility model provides the following technical solutions:

[0029] Embodiment 1

[0030] See also Figure 1-3 A production device for producing ammonium bicarbonate by recycling carbon dioxide from carbon-containing tail gas, comprising a first box body 1, an air inlet pipe 2 is fixedly connected to the top of the first box body 1 near the front, a first discharge pipe 3 is fixedly connected to the bottom of the first box body 1, a support rod 4 is fixedly connected to the left side of the top of the box body, a second box body 5 is fixedly connected to the top of the support rod 4, a feed pipe 6 is fixedly connected to the top of the second box body 5, a second discharge pipe 7 is fixedly connected to the bottom of the second box body 5, a filtering mechanism 8 is arranged on the front of the second box body 5, and a stirring mechanism 9 is arranged on the top of the first box body 1.

[0031] The bottom end of the second discharge pipe 7 is fixedly connected to the left side of the top of the first box body 1 , and the bottom end of the second discharge pipe 7 extends into the first box body 1 .

[0032] The filtering mechanism 8 includes a slide groove 81, which is opened on the front side of the second box body 5. A filter plate 82 is slidably connected in the slide groove 81. A fixed block 83 is slidably connected to the left and right sides of the second box body 5. A limiting ring 84 is fixedly connected to the surface of the fixed block 83. A spring 85 is symmetrically fixedly connected to the left side of the limiting ring 84. A connecting frame 86 is fixedly connected to the left side of the second box body 5.

[0033] The right end of the fixed block 83 extends into the second box body 5 and is located in the slide groove 81. The other end of the spring 85 is fixedly connected to the left side of the connecting frame 86. The limiting ring 84 limits the fixed block 83 so that the fixed block 83 will not completely slide into the second box body 5 due to the elastic force of the spring 85.

[0034] Embodiment 2

[0035] See also Figure 4-6 On the basis of the first embodiment, the stirring mechanism 9 further comprises a rotating component 91 and a mixing component 92 , the rotating component 91 is arranged on the top of the first box body 1 , and the mixing component 92 is arranged in the rotating component 91 .

[0036] The rotating assembly 91 includes an L block 911, which is fixedly connected to the right side of the top of the first box body 1, and a motor 912 is fixedly connected to the bottom of the L block 911. A bearing 913 is fixedly connected to the top of the box body, and a rotating shaft 914 is fixedly connected to the inner ring of the bearing 913. A fan blade 918 is fixedly connected to the bottom end of the rotating shaft 914. A first pulley 915 is fixedly connected to the surface of the rotating shaft 914 near the top, and a second pulley 916 is fixedly connected to the surface of the output shaft of the motor 912, and a belt 917 is sleeved between the first pulley 915 and the second pulley 916.

[0037] There are six groups of fan blades 918, which are fixedly connected to the bottom end of the rotating shaft 914 in a centrally symmetrical manner around the rotating shaft 914. The fan blades 918 can make the high-concentration ammonia water in the first box body 1 float up and down to form a reflux.

[0038] The mixing assembly 92 includes a connecting plate 921, which is fixedly connected to the surface of the rotating shaft 914. A stirring rod 922 is rotatably connected to the right side of the top of the connecting plate 921. A gear 923 is fixedly connected to the surface of the stirring rod 922 near the top. An inner gear ring 924 is fixedly connected to the inner wall of the first box body 1 near the top.

[0039] The bottom end of the stirring rod 922 extends to below the connecting plate 921 , and the gear 923 is meshed with the inner gear ring 924 .

[0040] In actual operation, when the device is used, the high-concentration ammonia water obtained after deammoniation and concentration is poured into the second box body 5 through the feed pipe 6, and the impurity particles in the ammonia water are filtered through the filter plate 82 in the second box body 5 to prevent the impurity particles from being injected into the first box body 1 along with the ammonia water. The filter plate 82 is pulled out from the slide 81 and replaced. The replaced filter plate 82 slides into the slide 81, and the left side of the filter plate 82 contacts the right end of the fixing block 83. The fixing block 83 can resist the left side of the filter plate 82 through the elastic force of the spring 85 to fix the filter plate 82.

[0041] The first discharge pipe 3 is closed through a valve, and the filtered ammonia water will enter the first box body 1 through the second discharge pipe 7, and then the carbon dioxide will be injected into the first box body 1 through the feed pipe 6 according to the content of the ammonia water in the first box body 1. After the injection is completed, the feed pipe 6 is blocked, and then the motor 912 is started, and the second pulley 916 is rotated by the operation of the motor 912. The second pulley 916 rotates the shaft 914 through the cooperation of the first pulley 915 and the belt 917. The rotation of the shaft 914 will cause the fan blades 918 to rotate, and the fan blades 918 will drive the ammonia water in the first box body 1 Water forms an upward and downward reflux, and the rotation of the rotating shaft 914 will drive the connecting plate 921 to rotate at the same time. The rotation of the connecting plate 921 will drive the stirring rod 922 to rotate around the rotating shaft 914, and the stirring rod 922 can rotate on its own due to the meshing of the gear 923 and the inner gear ring 924. Through the two rotation modes of the stirring rod 922, the ammonia water in the first box body 1 and the various tail gases in the carbon dioxide can be fully reacted to generate ammonium bicarbonate. After the reaction is completed, the feed pipe 6 is opened to discharge the carbon dioxide from the feed port, and the valve is opened to discharge the ammonium bicarbonate from the first discharge pipe 3.

[0042] 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. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A production device for producing ammonium bicarbonate by recovering carbon dioxide from carbon-containing tail gas, comprising a first housing (1), characterized in that: An air inlet pipe (2) is fixedly connected to the top of the first box body (1) near the front, a first discharge pipe (3) is fixedly connected to the bottom of the first box body (1), a support rod (4) is fixedly connected to the left side of the top of the box body, a second box body (5) is fixedly connected to the top of the support rod (4), a feed pipe (6) is fixedly connected to the top of the second box body (5), a second discharge pipe (7) is fixedly connected to the bottom of the second box body (5), a filtering mechanism (8) is arranged on the front of the second box body (5), and a stirring mechanism (9) is arranged on the top of the first box body (1); The stirring mechanism (9) comprises a rotating assembly (91) and a mixing assembly (92); the rotating assembly (91) is arranged on the top of the first box body (1); and the mixing assembly (92) is arranged inside the rotating assembly (91).

2. The production device for producing ammonium bicarbonate by recovering carbon dioxide from carbon-containing tail gas according to claim 1, characterized in that: The bottom end of the second discharge pipe (7) is fixedly connected to the left side of the top of the first box body (1), and the bottom end of the second discharge pipe (7) extends into the first box body (1).

3. The production device for producing ammonium bicarbonate by recovering carbon dioxide from carbon-containing tail gas according to claim 1, characterized in that: The filtering mechanism (8) comprises a slide groove (81), the slide groove (81) is opened on the front side of the second box body (5), a filter plate (82) is slidably connected in the slide groove (81), a fixed block (83) is slidably connected to the left and right sides of the left side of the second box body (5), a limit ring (84) is fixedly connected to the surface of the fixed block (83), a spring (85) is symmetrically fixedly connected to the left and right sides of the limit ring (84), and a connecting frame (86) is fixedly connected to the left side of the second box body (5).

4. The production device for producing ammonium bicarbonate by recovering carbon dioxide from carbon-containing tail gas according to claim 3, characterized in that: The right end of the fixing block (83) extends into the second box body (5) and is located in the slide groove (81), and the other end of the spring (85) is fixedly connected to the left side of the connecting frame (86).

5. The production device for producing ammonium bicarbonate by recovering carbon dioxide from carbon-containing tail gas according to claim 1, characterized in that: The rotating assembly (91) comprises an L block (911), wherein the L block (911) is fixedly connected to the right side of the top of the first housing (1), a motor (912) is fixedly connected to the bottom of the L block (911), a bearing (913) is fixedly connected to the top of the housing, a rotating shaft (914) is fixedly connected to the inner ring of the bearing (913), a fan blade (918) is fixedly connected to the bottom end of the rotating shaft (914), a first pulley (915) is fixedly connected to the surface of the rotating shaft (914) near the top, a second pulley (916) is fixedly connected to the surface of the output shaft of the motor (912), and a belt (917) is sleeved between the first pulley (915) and the second pulley (916).

6. The production device for producing ammonium bicarbonate by recovering carbon dioxide from carbon-containing tail gas according to claim 5, characterized in that: The fan blades (918) are in six groups and are fixedly connected to the bottom end of the rotating shaft (914) in a centrally symmetrical manner around the rotating shaft (914).

7. The production device for producing ammonium bicarbonate by recovering carbon dioxide from carbon-containing tail gas according to claim 1, characterized in that: The mixing assembly (92) comprises a connecting plate (921), wherein the connecting plate (921) is fixedly connected to the surface of the rotating shaft (914), a stirring rod (922) is rotatably connected to the right side of the top of the connecting plate (921), a gear (923) is fixedly connected to the surface of the stirring rod (922) near the top, and an inner gear ring (924) is fixedly connected to the inner wall of the first housing (1) near the top.

8. The production device for producing ammonium bicarbonate by recovering carbon dioxide from carbon-containing tail gas according to claim 7, characterized in that: The bottom end of the stirring rod (922) extends to below the connecting plate (921), and the gear (923) is meshed with the inner gear ring (924).

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