Blowing tower for extracting bromine from seawater

Abstract

The utility model belongs to the technical field of seawater bromine extraction, and particularly relates to a gas blowing tower for seawater bromine extraction, which comprises a tower body, a top air duct piece for discharging gas is hermetically connected to the top of the tower body, and the top air duct piece comprises a first segmented pipe and a second segmented pipe, a rotating gear ring is rotationally connected between the first segmented pipe and the second segmented pipe, a spraying pipe is arranged in the rotating gear ring, and the spraying pipe is connected with the rotating gear ring through a plurality of communicating pipes; a spraying pipe is arranged in the rotating gear ring, sulfur dioxide or fresh water can be introduced into the raw material introduction box through the main flow pipe, enters the gear ring and enters the spraying pipe through a communicating pipe, when bromine-containing gas passes through a passing cavity, the spraying pipe can be rotated, sulfur dioxide is located in the passing cavity, and the bromine-containing gas is sprayed out through the spraying pipe; then the mist fresh water and the gas react in the passing cavity, so that the reaction position is controlled, the bromine-containing gas is easy to treat when being blown out, and the effect of extracting bromine from seawater is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of extracting bromine from seawater, and in particular relates to an air blowing tower used for extracting bromine from seawater. Background Art

[0002] Extraction of bromine from seawater is a technology for extracting elemental bromine from seawater. Alkali absorption and sulfur dioxide absorption are commonly used. Air blowing is a common method for extracting bromine from seawater on an industrial scale. One of the processes is to replace bromide ions with chlorine in concentrated seawater that has been acidified in advance to make it elemental bromine, and then introduce air and water vapor, blow bromine into an absorption tower, so that bromine vapor and absorbent sulfur dioxide react to convert it into hydrobromic acid to achieve the purpose of enrichment, that is, to obtain enriched bromine. Then, it is oxidized with chlorine to obtain product bromine.

[0003] The bromine-containing gas blown out from the top of the tower reacts with the sulfur dioxide and misty fresh water added in the top air duct to generate hydrobromic acid and sulfuric acid. When the bromine-containing gas, sulfur dioxide and misty fresh water react with each other, their positions are difficult to control, and it is easy for fresh water to combine with any gas, resulting in incomplete reaction. Utility Model Content

[0004] The utility model provides a blowing tower for extracting bromine from seawater, which has the characteristics of controlling the reaction position, facilitating processing of bromine-containing gas when it is blown out, and improving the effect of extracting bromine from seawater.

[0005] The utility model provides the following technical solution: a blowing tower for extracting bromine from seawater, comprising a tower body, wherein the top of the tower body is sealedly connected with a top air duct member for discharging gas, the top air duct member comprises a first segmented pipe and a second segmented pipe, a rotating gear ring is rotatably connected between the first segmented pipe and the second segmented pipe, a spray pipe is arranged inside the rotating gear ring, the spray pipe is connected to the rotating gear ring through a plurality of connecting pipes, a through cavity is provided between the plurality of connecting pipes, a raw material introduction box is fixedly connected inside the second segmented pipe, the interior of the raw material introduction box is communicated with the interior of the rotating gear ring, and an external sealed storage seat for storing sulfur dioxide and fresh water is arranged on the outer side of the rotating gear ring.

[0006] Wherein, the external sealed storage seat is fixedly connected to the first segmented pipe and the second segmented pipe, and the inner side of the external sealed storage seat has a cavity for storing sulfur dioxide and fresh water respectively.

[0007] Wherein, a conveying pipe fitting is provided on the external sealed storage seat, and the conveying pipe fitting includes a main conveying pipe, a first conveying pipe and a second conveying pipe. The main conveying pipe is sealedly connected to the external sealed storage seat, and the main conveying pipe, the first conveying pipe and the second conveying pipe are integrally formed, and the first conveying pipe and the second conveying pipe are sealedly connected to the raw material inlet box.

[0008] Wherein, a gear box is fixedly connected to the outer side of the second segmented pipe, a gear matched with the rotating gear ring is rotatably connected inside the gear box, and a driving motor for driving the gear to rotate is fixedly installed on the top of the gear box.

[0009] Wherein, a sealing connection ring is fixedly connected to the outer side of the rotating gear ring, and the sealing connection ring is inserted into the first segmented pipe.

[0010] The ejection pipe is provided with an ejection hole, and the interior of the ejection pipe is connected with the connecting pipe and the interior of the rotating gear ring.

[0011] The beneficial effects of the utility model are:

[0012] A rotating gear ring is rotatably connected between the first segmented pipe and the second segmented pipe, and a spray pipe is arranged inside the rotating gear ring, so that the mainstream pipe can introduce sulfur dioxide or fresh water into the raw material introduction box, enter the interior of the gear ring, and enter the spray pipe through the connecting pipe. When the bromine-containing gas passes through the through cavity, the spray pipe can be rotated to position the sulfur dioxide in the through cavity, and then the misty fresh water and the gas in the through cavity to react, thereby controlling the reaction position, making it easy to process the bromine-containing gas when it is blown out, and improving the effect of extracting bromine from seawater.

[0013] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the top air duct member in the utility model;

[0016] Figure 3 It is a structural schematic diagram of the rotating gear ring in the utility model;

[0017] Figure 4 It is a structural schematic diagram of the ejection pipe in the utility model;

[0018] In the figure: 1. tower body; 2. top air duct member; 21. first segmented pipe; 22. second segmented pipe; 3. rotating gear ring; 31. sealing connecting ring; 32. ejection pipe; 33. connecting pipe; 34. through cavity; 4. gear box; 41. driving motor; 5. external sealing storage seat; 6. conveying pipe member; 61. mainstream pipe; 62. first conveying pipe; 63. second conveying pipe; 7. raw material inlet box. DETAILED DESCRIPTION

[0019] See also Figure 1-Figure 4The utility model provides the following technical solutions: it includes a tower body 1, the top of the tower body 1 is sealed and connected with a top air duct member 2 for exhausting gas, the top air duct member 2 includes a first segmented pipe 21 and a second segmented pipe 22, a rotating ring gear 3 is rotatably connected between the first segmented pipe 21 and the second segmented pipe 22, a spray pipe 32 is arranged inside the rotating ring gear 3, the spray pipe 32 is connected to the rotating ring gear 3 through a plurality of connecting pipes 33, a through cavity 34 is provided between the plurality of connecting pipes 33, a raw material introduction box 7 is fixedly connected inside the second segmented pipe 22, the interior of the raw material introduction box 7 is connected with the interior of the rotating ring gear 3, and an external sealed storage seat 5 for storing sulfur dioxide and fresh water is arranged on the outside of the rotating ring gear 3.

[0020] In this embodiment: the top air duct member 2 includes a first segmented pipe 21 and a second segmented pipe 22, the first segmented pipe 21 is installed on the tower body 1, and the second segmented pipe 22 can be installed through the top frame, so that the bromine-containing gas can pass through the top air duct member 2, and a rotating gear ring 3 is rotatably connected between the first segmented pipe 21 and the second segmented pipe 22, and a spray pipe 32 is arranged inside the rotating gear ring 3, so that the mainstream pipe 61 can pass sulfur dioxide or fresh water into the raw material introduction box 7, and sulfur dioxide and fresh water can be transported through the first delivery pipe 62 and the second delivery pipe 63 respectively, and can exert corresponding pressure under the action of pumping, and enter the interior of the rotating gear ring 3 from the raw material introduction box 7, and through the connection The through pipe 33 enters into the ejection pipe 32. When the bromine-containing gas passes through the through chamber 34, the ejection pipe 32 can be rotated. When the ejection pipe 32 is rotating, the driving motor 41 can be started. The driving motor 41 can drive the gears inside the gear box 4 to rotate, and drive the rotating ring gear 3 to rotate, so that the rotating ring gear 3 drives the ejection pipe 32 to rotate. The ejection pipe 32 can throw out the added raw materials to achieve the purpose of uniform mixing. The sulfur dioxide is located in the through chamber 34, and then the misted fresh water and the gas are located in the through chamber 34 to react, thereby controlling the reaction position, making it easy to process the bromine-containing gas when it is blown out, thereby improving the effect of bromine extraction from seawater. The misted fresh water can be controlled by an atomizing nozzle.

[0021] The external sealed storage seat 5 is fixedly connected to the first segmented pipe 21 and the second segmented pipe 22, and the inner side of the external sealed storage seat 5 has a cavity for storing sulfur dioxide and fresh water respectively; sulfur dioxide and fresh water can be transported through the first delivery pipe 62 and the second delivery pipe 63 respectively, and corresponding pressure can be exerted under the action of pumping.

[0022] A delivery pipe 6 is provided on the external sealed storage seat 5, and the delivery pipe 6 includes a main delivery pipe 61, a first delivery pipe 62 and a second delivery pipe 63. The main delivery pipe 61 is sealed and connected to the external sealed storage seat 5, and the main delivery pipe 61, the first delivery pipe 62 and the second delivery pipe 63 are integrally formed. The first delivery pipe 62 and the second delivery pipe 63 are sealed and connected to the raw material introduction box 7; the raw material enters the interior of the rotating ring gear 3 from the raw material introduction box 7, and enters the ejection pipe 32 through the connecting pipe 33. When the bromine-containing gas passes through the through cavity 34, the ejection pipe 32 can be rotated to locate the sulfur dioxide in the through cavity 34, and then the misty fresh water reacts with the gas in the through cavity 34, thereby controlling the reaction position.

[0023] A gear box 4 is fixedly connected to the outside of the second segmented pipe 22, and a gear that cooperates with the rotating ring gear 3 is rotatably connected inside the gear box 4. A driving motor 41 for driving the gear to rotate is fixedly installed on the top of the gear box 4; when the driving motor 41 is started, the driving motor 41 can drive the gear inside the gear box 4 to rotate, and drive the rotating ring gear 3 to rotate, so that the rotating ring gear 3 drives the ejection pipe 32 to rotate, and the ejection pipe 32 can throw out the added raw materials to achieve the purpose of uniform mixing.

[0024] A sealing connection ring 31 is fixedly connected to the outer side of the rotating gear ring 3, and the sealing connection ring 31 is inserted into the first segmented pipe 21; the rotating gear ring 3 is connected to the first segmented pipe 21 and the second segmented pipe 22, and the sealing connection ring 31 is added to ensure the sealing of the connection.

[0025] The ejection pipe 32 has an ejection hole, and the inside of the ejection pipe 32 is connected with the connecting pipe 33 and the inside of the rotating gear ring 3; the rotating gear ring 3 drives the ejection pipe 32 to rotate, and the ejection pipe 32 can throw out the added raw materials to achieve the purpose of uniform mixing.

[0026] The working principle and use process of the utility model are as follows: bromine-containing gas can pass through the top air duct member 2, and a rotating gear ring 3 is connected by rotating between the first segmented pipe 21 and the second segmented pipe 22, and a spray pipe 32 is arranged inside the rotating gear ring 3, so that the mainstream pipe 61 can pass sulfur dioxide or fresh water into the raw material introduction box 7, and sulfur dioxide and fresh water can be transported through the first delivery pipe 62 and the second delivery pipe 63 respectively. Under the action of pumping, corresponding pressure can be exerted, and the bromine-containing gas enters the interior of the rotating gear ring 3 from the raw material introduction box 7, and enters the spray pipe 32 through the connecting pipe 33. When the bromine-containing gas passes through the first segmented pipe 21 and the second segmented pipe 22, the bromine-containing gas can pass through the first segmented pipe 21 and the second segmented pipe 22, and ... When the bromine gas passes through the cavity 34, the ejection pipe 32 can be rotated. When the ejection pipe 32 rotates, the drive motor 41 can be started. The drive motor 41 can drive the gears inside the gear box 4 to rotate, and drive the rotating ring gear 3 to rotate, so that the rotating ring gear 3 drives the ejection pipe 32 to rotate. The ejection pipe 32 can throw out the added raw materials to achieve the purpose of uniform mixing, and the sulfur dioxide is located in the cavity 34, and then the mist fresh water and the gas are located in the cavity 34 to react, so as to control the reaction position, and it is easy to process the bromine-containing gas when it is blown out, thereby improving the effect of bromine extraction from seawater.

Claims

1. A blowing tower for extracting bromine from seawater, comprising a tower body (1), wherein the top of the tower body (1) is sealedly connected to a top air duct member (2) for discharging gas, and characterized in that: The top air duct member (2) comprises a first segmented pipe (21) and a second segmented pipe (22), a rotating gear ring (3) is rotatably connected between the first segmented pipe (21) and the second segmented pipe (22), a discharge pipe (32) is provided inside the rotating gear ring (3), the discharge pipe (32) is connected to the rotating gear ring (3) through a plurality of connecting pipes (33), a through cavity (34) is provided between the plurality of connecting pipes (33), a raw material introduction box (7) is fixedly connected inside the second segmented pipe (22), the interior of the raw material introduction box (7) is connected to the interior of the rotating gear ring (3), and an external sealed storage seat (5) for storing sulfur dioxide and fresh water is provided on the outside of the rotating gear ring (3).

2. The blowing tower for extracting bromine from seawater according to claim 1, characterized in that: The external sealed storage seat (5) is fixedly connected to the first segmented pipe (21) and the second segmented pipe (22), and the inner side of the external sealed storage seat (5) has cavities for storing sulfur dioxide and fresh water respectively.

3. The blowing tower for extracting bromine from seawater according to claim 1, characterized in that: The external sealed storage seat (5) is provided with a conveying pipe (6), and the conveying pipe (6) includes a main flow pipe (61), a first conveying pipe (62) and a second conveying pipe (63). The main flow pipe (61) is sealed and connected to the external sealed storage seat (5). The main flow pipe (61), the first conveying pipe (62) and the second conveying pipe (63) are integrally formed. The first conveying pipe (62) and the second conveying pipe (63) are sealed and connected to the raw material inlet box (7).

4. The blowing tower for extracting bromine from seawater according to claim 1, characterized in that: A gear box (4) is fixedly connected to the outside of the second segmented pipe (22), a gear that cooperates with the rotating gear ring (3) is rotatably connected inside the gear box (4), and a driving motor (41) for driving the gear to rotate is fixedly installed on the top of the gear box (4).

5. The blowing tower for extracting bromine from seawater according to claim 1, characterized in that: A sealing connection ring (31) is fixedly connected to the outer side of the rotating gear ring (3), and the sealing connection ring (31) is inserted into the first segmented pipe (21).

6. The blowing tower for extracting bromine from seawater according to claim 1, characterized in that: The ejection pipe (32) is provided with an ejection hole, and the interior of the ejection pipe (32) is connected with the connecting pipe (33) and the interior of the rotating gear ring (3).

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