A new yellow phosphorus tail gas combustion device

Abstract

The utility model discloses a novel yellow phosphorus tail gas combustion device relates to yellow phosphorus tail gas treatment technical field, including bottom plate, be equipped with gas mixing subassembly and combustion reaction subassembly on the bottom plate, the gas mixing subassembly is including mixing jar, be equipped with baffle in the mixing jar, is equipped with a plurality of guide vanes on the baffle, the mixing jar top is equipped with drive motor, through a plurality of ring structure's baffle and guide vanes, can carry out the preliminary shunt guide of the tail gas with combustion air of entering the mixing jar, break the gas laminar state, cooperate drive motor and drive the rotation of pivot, make the helical blade on the pivot rotate, drive gas and form strong cyclone, while a plurality of annular supports can enhance the airflow disturbance, further improve the mixing uniformity of tail gas and combustion air, effectively avoid the local hypoxia or oxygen -rich situation that traditional device single -pass mixed leads to, ensure that the flammable gas is fully combusted, improve energy utilization rate.

Description

Technical Field

[0001] This utility model relates to the field of yellow phosphorus tail gas treatment, and in particular to a novel yellow phosphorus tail gas combustion device. Background Technology

[0002] During the production of yellow phosphorus, yellow phosphorus tail gas is generated. This gas mixture has a relatively complex composition, including combustible gases such as carbon monoxide, hydrogen, and methane. These gases themselves have certain energy properties. At the same time, the tail gas also contains a variety of substances such as phosphine, hydrogen sulfide, and hydrogen fluoride, which belong to the category of harmful impurities. Together, they constitute this specific gaseous product generated during the production of yellow phosphorus. Existing devices for treating exhaust gas combustion have two major problems: First, incomplete combustion of exhaust gas produces secondary pollutants such as carbon monoxide and soot, wasting energy. Second, the combustion chamber lacks a precise temperature control mechanism, relying solely on manual experience to adjust the amount of fuel gas or air input, making it difficult to stably control the combustion temperature. Excessive temperature will accelerate the aging and damage of the inner wall and internal components of the combustion chamber, while excessively low temperature will fail to completely decompose harmful impurities such as phosphine in the exhaust gas, resulting in the treated exhaust gas still posing a pollution risk. Therefore, we propose a novel yellow phosphorus exhaust gas combustion device. Utility Model Content

[0003] To address the shortcomings of existing technologies, this invention provides a novel yellow phosphorus tail gas combustion device, which solves the problems of incomplete combustion and difficulty in stabilizing the combustion temperature, leading to energy waste and environmental pollution, when existing devices in the background process tail gas combustion.

[0004] To achieve the above objectives, this utility model is implemented through the following technical solution: a novel yellow phosphorus tail gas combustion device, comprising a base plate, wherein a gas mixing component and a combustion reaction component are provided on the base plate, the gas mixing component and the combustion reaction component are connected by a connecting pipe, and a second valve is provided on the connecting pipe, the gas mixing component includes a mixing tank, a mounting bracket is fixedly installed on the outer surface of the mixing tank, a guide plate is provided inside the mixing tank, a plurality of guide holes are opened on the guide plate, and a drive motor is provided on the top of the mixing tank.

[0005] As a further technical solution of this utility model, the output shaft of the drive motor is fixedly connected to a rotating shaft, the rotating shaft is provided with an annular bracket and a spiral blade, the bottom ends of the mixing tank are respectively fixedly connected to an exhaust gas inlet pipe and a combustion air pipe, the exhaust gas inlet pipe is provided with a first valve, the combustion air pipe is provided with a third valve, and an air booster pump is connected to the combustion air pipe.

[0006] As a further technical solution of this utility model, the guide plate is provided in multiple sets and has a ring structure, and the several sets of guide plates are evenly distributed and fixedly connected to the inner wall of the mixing tank.

[0007] As a further technical solution of this utility model, the annular support is provided in multiple ways, and the annular support is distributed along the axial direction of the rotating shaft, and the spiral blade is spirally wound around the rotating shaft.

[0008] As a further technical solution of this utility model, the combustion reaction assembly includes a combustion furnace body, a fixing frame is fixedly installed on the outer surface of the combustion furnace body, a burner is fixedly installed on the combustion furnace body, and the combustion end of the burner is located at the inner center of the combustion furnace body. An ash collection hopper is provided at the bottom of the combustion furnace body, and a slag discharge port is opened on the ash collection hopper. An exhaust pipe is provided at the top of the combustion furnace body, and a temperature sensor is fixedly installed on the inner wall of the combustion furnace body.

[0009] As a further technical solution of this utility model, the temperature sensor is provided in multiple sets and monitors the temperature of different areas of the upper, middle and lower parts of the combustion furnace body respectively, and the inner wall of the combustion furnace body is made of high temperature resistant material.

[0010] As a further technical solution of this utility model, a control display is fixedly provided on the front end of the surface of the base plate, and the control display is electrically connected to the drive motor, the air booster pump, the burner, and the temperature sensor respectively.

[0011] This invention provides a novel yellow phosphorus tail gas combustion device, which has the following advantages compared with the prior art: 1. Addressing the issues of incomplete combustion of exhaust gas, secondary pollutants, and energy waste in existing equipment, this device's gas mixing component utilizes multiple sets of annular guide plates and guide holes on these plates to initially separate and guide the exhaust gas and combustion air entering the mixing tank, breaking the laminar flow state. This, combined with a drive motor rotating a shaft, causes the spiral blades on the shaft to rotate, creating a strong swirling flow of gas. Simultaneously, multiple annular supports enhance airflow turbulence, further improving the uniformity of the mixture between the exhaust gas and combustion air. This structural design effectively avoids the localized oxygen deficiency or enrichment caused by single-channel mixing in traditional devices, ensuring complete combustion of combustible gases, reducing the generation of secondary pollutants such as carbon monoxide and soot, improving energy utilization, and solving the problems of incomplete combustion and energy waste in existing equipment.

[0012] 2. Addressing the issue of existing devices lacking a precise temperature control mechanism and struggling to maintain stable temperature control in the combustion chamber, this device incorporates multiple temperature sensors fixed to the inner wall of the combustion furnace. These sensors monitor the temperature in different areas of the furnace (upper, middle, and lower sections), providing real-time temperature data feedback. Furthermore, the inner wall of the combustion furnace is made of high-temperature resistant material, capable of withstanding high combustion temperatures and preventing excessive heat from accelerating aging and damage to the inner wall and internal components. Simultaneously, by connecting the control display to the temperature sensors and burner via electrical connections, the burner's combustion state can be precisely adjusted based on temperature sensor feedback, replacing traditional manual adjustment methods. This achieves stable combustion temperature control, ensuring the temperature remains within a reasonable range sufficient to completely decompose harmful impurities such as phosphine in the exhaust gas. It also prevents excessively low temperatures from posing a pollution risk to the treated exhaust gas, thus resolving the problem of difficult combustion temperature control in existing devices. Attached Figure Description

[0013] Figure 1 A three-dimensional structural schematic diagram of a novel yellow phosphorus tail gas combustion device; Figure 2 This is a front cross-sectional structural diagram of a novel yellow phosphorus tail gas combustion device; Figure 3 One of the schematic diagrams of the gas mixing component structure of a novel yellow phosphorus tail gas combustion device; Figure 4 This is the second schematic diagram of the gas mixing component structure of a novel yellow phosphorus tail gas combustion device; Figure 5 This is the third schematic diagram of the gas mixing component structure of a novel yellow phosphorus tail gas combustion device; Figure 6 This is a schematic diagram of the combustion reaction component structure of a novel yellow phosphorus tail gas combustion device.

[0014] In the diagram: 1. Base plate; 2. Control display; 3. Gas mixing assembly; 4. Combustion reaction assembly; 5. Exhaust gas inlet pipe; 6. First valve; 7. Connecting pipe; 8. Second valve; 301. Mixing tank; 302. Mounting bracket; 303. Guide plate; 304. Guide hole; 305. Third valve; 306. Combustion air pipe; 307. Air booster pump; 308. Drive motor; 309. Rotating shaft; 310. Annular support; 311. Spiral blade; 401. Combustion furnace body; 402. Burner; 403. Fixing frame; 404. Ash and slag collection hopper; 405. Slag discharge port; 406. Exhaust pipe; 407. Temperature sensor. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0016] Please see Figure 1-6 This utility model provides a technical solution: a novel yellow phosphorus tail gas combustion device, including a base plate 1, on which a gas mixing component 3 and a combustion reaction component 4 are mounted. The gas mixing component 3 and the combustion reaction component 4 are connected by a connecting pipe 7, and a second valve 8 is provided on the connecting pipe 7. The gas mixing component 3 includes a mixing tank 301, on which a mounting bracket 302 is fixedly mounted. A guide plate 303 is provided inside the mixing tank 301, and several guide holes 304 are opened on the guide plate 303. A drive motor 308 is provided on the top of the mixing tank 301. The base plate 1 provides a stable mounting foundation for the gas mixing component 3 and the combustion reaction component 4. The connecting pipe 7 realizes the gas transportation between the two. The second valve 8 can flexibly control the on / off supply of mixed gas to the combustion reaction component 4. The mounting bracket 302 outside the mixing tank 301 can enhance its installation stability. The internal guide plate 303 and guide holes 304 can initially guide the gas flow. The top drive motor 308 provides power for the subsequent full mixing of gas, ensuring the stability and functionality of the device in its initial operation.

[0017] like Figure 4 As shown, the output shaft of the drive motor 308 is fixedly connected to a rotating shaft 309. The rotating shaft 309 is equipped with an annular bracket 310 and a spiral blade 311. The bottom ends of the mixing tank 301 are respectively fixedly connected to an exhaust gas inlet pipe 5 and a combustion air pipe 306. The exhaust gas inlet pipe 5 is equipped with a first valve 6, and the combustion air pipe 306 is equipped with a third valve 305. An air booster pump 307 is connected to the combustion air pipe 306. The fixed connection between the output shaft of the drive motor 308 and the rotating shaft 309 ensures efficient power transmission, enabling the rotating shaft 309 to drive the annular bracket 310 and the spiral blade 311 to rotate stably to achieve gas mixing. The exhaust gas inlet pipe 5 and the combustion air pipe 306 at the bottom of the mixing tank 301 provide independent air intake channels for exhaust gas and combustion air, respectively. The first valve 6 and the third valve 305 can adjust the intake volume of the two gases respectively. The air booster pump 307 can provide sufficient pressure for the combustion air to ensure sufficient gas volume when it is mixed with the exhaust gas.

[0018] like Figure 5As shown, the guide vanes 303 are provided in multiple sets and are of annular structure. Several sets of guide vanes 303 are evenly distributed and fixedly connected to the inner wall of the mixing tank 301. Multiple annular supports 310 are provided and are distributed along the axial direction of the rotating shaft 309. The spiral blades 311 are spirally wound around the rotating shaft 309. The multiple sets of annular guide vanes 303 are evenly distributed on the inner wall of the mixing tank 301, which can comprehensively guide the gas at different positions and improve the initial diversion effect. The multiple annular supports 310 distributed along the axial direction of the rotating shaft 309 can enhance the stability of the rotating shaft 309 when rotating. The spirally wound spiral blades 311 can increase the contact area with the gas and further improve the mixing uniformity of the exhaust gas and the combustion air.

[0019] like Figure 6 As shown, the combustion reaction assembly 4 includes a combustion furnace body 401. A mounting bracket 403 is fixedly installed on the outer surface of the combustion furnace body 401. A burner 402 is fixedly installed on the combustion furnace body 401, and the combustion end of the burner 402 is located at the center of the combustion furnace body 401. An ash collection hopper 404 is provided at the bottom of the combustion furnace body 401, and a slag discharge port 405 is provided on the ash collection hopper 404. An exhaust pipe 406 is provided at the top of the combustion furnace body 401. A temperature sensor 407 is fixedly installed on the inner wall of the combustion furnace body 401. Multiple sets of temperature sensors 407 are provided and monitor the upper, middle, and lower parts of the combustion furnace body 401 respectively. The inner wall of the combustion furnace body 401 is made of high-temperature resistant material to control the temperature in different areas. The fixing frame 403 on the outside of the combustion furnace body 401 allows it to be stably installed on the base plate 1. The combustion end of the burner 402 is located in the center of the combustion furnace body 401, which can ensure that the mixed gas burns evenly in the furnace. The bottom ash collection hopper 404 and the ash discharge port 405 facilitate the collection and discharge of ash produced by combustion. The top exhaust pipe 406 is used to discharge the flue gas after combustion. Multiple temperature sensors 407 that monitor the temperature of different areas can keep track of the temperature inside the furnace in real time. The high-temperature resistant inner wall material extends the service life of the combustion furnace body 401.

[0020] like Figure 1 As shown, a control display 2 is fixedly installed on the front end of the base plate 1. The control display 2 is electrically connected to the drive motor 308, the air booster pump 307, the burner 402, and the temperature sensor 407. Through the electrical connection with the drive motor 308, the air booster pump 307, the burner 402, and the temperature sensor 407, the control display 2 on the front end of the base plate 1 can receive the temperature data from the temperature sensor 407 in real time and accurately control the operating status of other components as needed, thereby realizing the automated operation of the device and reducing the difficulty of manual operation.

[0021] The working principle of this utility model is as follows: When the novel yellow phosphorus tail gas combustion device is working, the yellow phosphorus tail gas first enters the mixing tank 301 of the gas mixing component 3 through the tail gas inlet pipe 5. The operator can turn on the air booster pump 307 through the control display 2, so that the combustion air also enters the mixing tank 301 through the combustion air pipe 306. At the same time, the intake volume of tail gas and combustion air can be adjusted by the first valve 6 and the third valve 305 respectively. The tail gas and combustion air entering the mixing tank 301 first pass through multiple sets of annular structure guide plates 303 and guide holes 304 on the guide plates 303 for preliminary diversion and guidance, breaking the laminar flow state of the gas. Then, the control display 2 starts the drive motor 308, which drives the rotating shaft 309 to rotate. The spiral blades 311 on the rotating shaft 309 rotate accordingly, causing the gas to form a strong swirling flow. In addition, multiple annular supports 310 enhance the airflow disturbance, further improving the mixing of the two. After the gas is uniformly mixed, the second valve 8 on the connecting pipe 7 is opened, and the gas is transported to the combustion furnace 401 of the combustion reaction component 4 through the connecting pipe 7. The control display 2 starts the burner 402. The combustion end of the burner 402 burns the mixed gas at the center inside the combustion furnace 401. During the combustion process, multiple temperature sensors 407 on the inner wall of the combustion furnace 401 monitor the temperature of different areas in the upper, middle and lower parts of the combustion furnace 401, and feed the temperature data back to the control display 2 in real time. If the temperature is abnormal, the control display 2 can accurately adjust the combustion state of the burner 402 to ensure that the combustion temperature is within a reasonable range. The ash produced by combustion falls into the ash collection hopper 404 at the bottom and is periodically discharged through the ash discharge port 405. The flue gas after combustion is discharged through the exhaust pipe 406 at the top of the combustion furnace 401, completing the combustion treatment process of yellow phosphorus tail gas. At this point, the entire process ends.

[0022] The above description is merely a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. Structures, devices, and operating methods not specifically described or explained in this utility model are implemented according to conventional methods in the art, unless otherwise specified or limited.

Claims

1. A novel yellow phosphorus tail gas combustion device, comprising a base plate (1), characterized in that: The base plate (1) is provided with a gas mixing component (3) and a combustion reaction component (4). The gas mixing component (3) and the combustion reaction component (4) are connected by a connecting pipe (7), and a second valve (8) is provided on the connecting pipe (7). The gas mixing component (3) includes a mixing tank (301). A mounting bracket (302) is fixedly installed on the outer surface of the mixing tank (301). A guide plate (303) is provided inside the mixing tank (301). A plurality of guide holes (304) are opened on the guide plate (303). A drive motor (308) is provided on the top of the mixing tank (301).

2. The novel yellow phosphorus tail gas combustion device according to claim 1, characterized in that: The output shaft of the drive motor (308) is fixedly connected to a rotating shaft (309). The rotating shaft (309) is provided with an annular bracket (310) and a spiral blade (311). The bottom ends of the mixing tank (301) are respectively fixedly connected to an exhaust gas inlet pipe (5) and a combustion air pipe (306). The exhaust gas inlet pipe (5) is provided with a first valve (6), and the combustion air pipe (306) is provided with a third valve (305). An air booster pump (307) is connected to the combustion air pipe (306).

3. The novel yellow phosphorus tail gas combustion device according to claim 2, characterized in that: The guide plate (303) is provided in multiple sets and has a ring structure. Several sets of the guide plate (303) are evenly distributed and fixedly connected to the inner wall of the mixing tank (301).

4. The novel yellow phosphorus tail gas combustion device according to claim 3, characterized in that: Multiple annular supports (310) are provided, and the annular supports (310) are distributed along the axial direction of the rotating shaft (309). The spiral blades (311) are spirally wound around the rotating shaft (309).

5. The novel yellow phosphorus tail gas combustion device according to claim 1, characterized in that: The combustion reaction assembly (4) includes a combustion furnace body (401), a fixing frame (403) is fixedly installed on the outer surface of the combustion furnace body (401), a burner (402) is fixedly installed on the combustion furnace body (401), and the combustion end of the burner (402) is located at the center of the combustion furnace body (401). The bottom of the combustion furnace body (401) is provided with an ash collection hopper (404), and a slag discharge port (405) is opened on the ash collection hopper (404). The top of the combustion furnace body (401) is provided with an exhaust pipe (406), and a temperature sensor (407) is fixedly installed on the inner wall of the combustion furnace body (401).

6. A novel yellow phosphorus tail gas combustion device according to claim 5, characterized in that: The temperature sensor (407) is provided in multiple sets and monitors the temperature of different areas of the combustion furnace body (401) in the upper, middle and lower parts respectively. The inner wall of the combustion furnace body (401) is made of high temperature resistant material.

7. A novel yellow phosphorus tail gas combustion device according to any one of claims 1-6, characterized in that: The front end of the base plate (1) is fixedly provided with a control display (2), which is electrically connected to the drive motor (308), the air booster pump (307), the burner (402), and the temperature sensor (407).

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