Yellow phosphorus production tail gas purification and recovery device

Abstract

The utility model discloses a tail gas purification and recovery device for yellow phosphorus production, and relates to the technical field of yellow phosphorus production equipment. The yellow phosphorus production tail gas purification and recovery device comprises a box body, an exhaust port is formed in the top of the box body, a partition plate is fixedly installed on the inner wall of the box body and divides the interior of the box body into a cleaning bin and a purification bin from bottom to top, an air pump is arranged on the outer side of the box body, and an air inlet pipe is fixedly installed on one side of the box body. According to the yellow phosphorus production tail gas purification and recovery device, through the box body and the spraying assembly, tail gas can be sprayed, solid impurities in the tail gas are removed, the solid impurities are prevented from polluting purification liquid, and the use effect of the purification liquid is guaranteed; and through the cleaning assembly, impurities filtered by the circular-truncated-cone-shaped filter screen can be cleaned, the situation that the fixed impurities block the circular-truncated-cone-shaped filter screen is avoided, and normal use of the spraying assembly is guaranteed.

Description

Technical Field

[0001] This utility model relates to the technical field of yellow phosphorus production equipment, and in particular to a yellow phosphorus production tail gas purification and recovery device. Background Technology

[0002] Yellow phosphorus is a white or light yellow translucent solid, an allotrope of phosphorus. It is toxic, flammable, and chemically active, and is widely used in chemical, agricultural, and military fields. When yellow phosphorus is produced and processed, its exhaust gas needs to be recovered and purified to prevent it from polluting the environment.

[0003] For example, Chinese patent document CN214635340U discloses a tail gas recovery and purification device, including a workbench with two symmetrically connected support plates at its upper end. A recovery and purification mechanism is installed on the workbench. Two sets of sliding grooves are symmetrically opened on the side walls of the two support plates facing each other. Sliding blocks are slidably connected within the sliding grooves. One end of each sliding block on its facing side passes through the opening of the corresponding sliding groove and extends downwards, and is connected to a moving plate. A purification box is installed at the upper end of the moving plate, containing purification liquid. An inlet is provided at the upper end of the purification box, and a suction pump is installed at the upper end of the purification box. A suction pipe is installed at the upper end of the suction pump, and an exhaust pipe is installed at the lower end of the suction pump. The other end of the exhaust pipe penetrates the wall of the purification box and extends downwards, set within the purification liquid. This utility model recovers and purifies tail gas through a simple mechanical structure, is easy and convenient to operate, saves time, reduces manual labor, and improves work efficiency.

[0004] Exhaust gas usually contains solid impurities. During the use of the above-mentioned exhaust gas recovery and purification device, solid impurities will dissolve into the purification liquid, contaminating the purification liquid and affecting its effectiveness. Utility Model Content

[0005] The purpose of this invention is to provide a yellow phosphorus production tail gas purification and recovery device to solve the problems and defects mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a yellow phosphorus production tail gas purification and recovery device, comprising a box body, an exhaust port on the top of the box body, a partition fixedly installed on the inner wall of the box body, the partition dividing the interior of the box body into a cleaning chamber and a purification chamber from bottom to top, an air pump installed on the outside of the box body, an air inlet pipe fixedly installed on one side of the box body, one end of the air inlet pipe being fixedly connected to the output end of the air pump, an air extraction pipe fixedly connected to the input end of the air pump, a connecting pipe installed on the other side of the box body, and a spray assembly installed on the box body for spraying the tail gas, a frustum-shaped filter screen installed inside the box body for filtering impurities, and a cleaning assembly installed on one side of the frustum-shaped filter screen for cleaning impurities on one side of the frustum-shaped filter screen.

[0007] Preferably, the spray assembly includes a water pump, a water suction pipe, and a water delivery pipe. Both the water suction pipe and the water delivery pipe are fixedly installed on the other side of the housing. One end of the water suction pipe is fixedly connected to the input end of the water pump, and one end of the water delivery pipe is fixedly connected to the output end of the water pump. A spray head is fixedly installed at the bottom of the water delivery pipe, which can spray the exhaust gas to remove solid impurities in the exhaust gas, prevent solid impurities from contaminating the purification liquid, and ensure the effectiveness of the purification liquid.

[0008] Preferably, a baffle is fixedly installed on the outer wall of the frustum-shaped filter screen, and the baffle is fixedly installed on the inner wall of the housing.

[0009] Preferably, the cleaning assembly includes a conveying cylinder, a motor, a rotating rod, and a spiral mesh. The conveying cylinder is fixedly installed on the other side of the housing, and one side of the conveying cylinder is fixedly installed on one side of the frustum-shaped filter screen, which communicates with the conveying cylinder. The motor is fixedly installed on the outer wall of the other side of the conveying cylinder, and the rotating rod is rotatably installed on the inner wall of the other side of the conveying cylinder. The spiral mesh is fixedly installed on the outer wall of the rotating rod, and the output shaft of the motor is fixedly installed on one end of the rotating rod. This assembly can clean the impurities filtered by the frustum-shaped filter screen, prevent fixed impurities from clogging the frustum-shaped filter screen, and ensure the normal use of the spray assembly.

[0010] Preferably, a collection box is provided below the conveying cylinder, a flexible hose is fixedly installed on the top of the collection box, a discharge port is opened at the bottom of the conveying cylinder, one end of the flexible hose is sleeved on the discharge port, and a clamp is provided on the outer wall of the flexible hose.

[0011] Preferably, both the top of the air inlet pipe and the top of the connecting pipe are provided with air outlets.

[0012] Preferably, a water inlet pipe is fixedly installed on one side of the box, and a valve is provided on the water inlet pipe.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] This yellow phosphorus production tail gas purification and recovery device, through a housing and spray assembly, can spray the tail gas to remove solid impurities, prevent solid impurities from contaminating the purification liquid, and ensure the effectiveness of the purification liquid. Through a frustum-shaped filter screen, the water entering the spray assembly can be filtered to prevent fixed impurities from clogging the spray assembly. Through the cleaning assembly, the impurities filtered by the frustum-shaped filter screen can be cleaned to avoid fixed impurities clogging the frustum-shaped filter screen and ensure the normal use of the spray assembly. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a sectional view of the housing of this utility model;

[0018] Figure 3 This is a cross-sectional view of the frustum-shaped filter screen and conveying cylinder of this utility model.

[0019] Reference numerals in the attached diagram: 1. Box body; 2. Partition plate; 3. Air pump; 4. Air inlet pipe; 5. Air extraction pipe; 6. Connecting pipe; 7. Water pump; 8. Water extraction pipe; 9. Water delivery pipe; 10. Baffle plate; 11. Frustum-shaped filter screen; 12. Conveying cylinder; 13. Motor; 14. Rotating rod; 15. Spiral mesh; 16. Collection box; 17. Flexible hose; 18. Clamping clamp. Detailed Implementation

[0020] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0021] Please see Figure 1-3 This utility model provides a technical solution: a yellow phosphorus production tail gas purification and recovery device, including a box 1, an exhaust port on the top of the box 1, a partition 2 fixedly installed on the inner wall of the box 1, the partition 2 dividing the interior of the box 1 into a cleaning chamber and a purification chamber from bottom to top, an air pump 3 installed on the outer side of the box 1, an air inlet pipe 4 fixedly installed on one side of the box 1, one end of the air inlet pipe 4 fixedly connected to the output end of the air pump 3, an air extraction pipe 5 fixedly connected to the input end of the air pump 3, a connecting pipe 6 installed on the other side of the box 1, a spray assembly installed on the box 1 for spraying the tail gas, a frustum-shaped filter screen 11 installed inside the box 1 for filtering impurities, and a cleaning assembly installed on one side of the frustum-shaped filter screen 11 for cleaning impurities on one side of the frustum-shaped filter screen 11.

[0022] Furthermore, the spray assembly includes a water pump 7, a water extraction pipe 8, and a water delivery pipe 9. Both the water extraction pipe 8 and the water delivery pipe 9 are fixedly installed on the other side of the housing 1. One end of the water extraction pipe 8 is fixedly connected to the input end of the water pump 7, and one end of the water delivery pipe 9 is fixedly connected to the output end of the water pump 7. A spray head is fixedly installed at the bottom of the water delivery pipe 9. When the air pump 3 is started, the air pump 3 extracts the exhaust gas through the air extraction pipe 5. The exhaust gas enters the water in the cleaning chamber through the air extraction pipe 5, the air pump 3, and the air inlet pipe 4, causing the fixed impurities in the exhaust gas to dissolve into the water. When the water pump 7 is started, the water pump 7 extracts water in the cleaning chamber through the water extraction pipe 8. The water is sprayed into the cleaning chamber through the water extraction pipe 8, the water pump 7, the water delivery pipe 9, and the spray head to spray the exhaust gas, perform secondary cleaning of the solid impurities in the exhaust gas, remove the solid impurities in the exhaust gas, prevent the solid impurities from contaminating the purification liquid, and ensure the effectiveness of the purification liquid.

[0023] Furthermore, a baffle 10 is fixedly installed on the outer wall of the frustum-shaped filter screen 11, and the baffle 10 is fixedly installed on the inner wall of the housing 1.

[0024] Furthermore, the cleaning assembly includes a conveying cylinder 12, a motor 13, a rotating rod 14, and a spiral mesh 15. The conveying cylinder 12 is fixedly installed on the other side of the housing 1, and one side of the conveying cylinder 12 is fixedly installed on one side of the frustum-shaped filter screen 11. The frustum-shaped filter screen 11 communicates with the conveying cylinder 12. The motor 13 is fixedly installed on the outer wall of the other side of the conveying cylinder 12. The rotating rod 14 is rotatably installed on the inner wall of the other side of the conveying cylinder 12. The spiral mesh 15 is fixedly installed on the outer wall of the rotating rod 14. The output shaft of the motor 13 is fixedly installed on one end of the rotating rod 14. When the motor 13 is started, the output shaft of the motor 13 drives the rotating rod 14 and the spiral mesh 15 to rotate. The spiral mesh 15 pushes the impurities filtered by the frustum-shaped filter screen 11, which can clean the impurities filtered by the frustum-shaped filter screen 11, prevent fixed impurities from clogging the frustum-shaped filter screen 11, and ensure the normal use of the spray assembly.

[0025] Furthermore, a collection box 16 is provided below the conveying cylinder 12, a hose 17 is fixedly installed on the top of the collection box 16, a discharge port is opened at the bottom of the conveying cylinder 12, one end of the hose 17 is sleeved on the discharge port, and a clamp 18 is provided on the outer wall of the hose 17.

[0026] Furthermore, both the top of the air intake pipe 4 and the top of the connecting pipe 6 are provided with air outlets.

[0027] Furthermore, a water inlet pipe is fixedly installed on one side of the housing 1, and a valve is installed on the water inlet pipe.

[0028] Working principle: Water is added to the cleaning chamber through the water inlet pipe. The air pump 3 is started, and the air pump 3 extracts the exhaust gas through the air extraction pipe 5. The exhaust gas enters the water in the cleaning chamber through the air extraction pipe 5, the air pump 3, and the air inlet pipe 4, causing the fixed impurities in the exhaust gas to dissolve in the water. The water pump 7 is started, and the water pump 7 extracts water from the cleaning chamber through the water extraction pipe 8. The water is sprayed into the cleaning chamber through the water extraction pipe 8, the water pump 7, the water delivery pipe 9, and the nozzle, spraying the exhaust gas and performing secondary cleaning of the solid impurities in the exhaust gas. The exhaust gas enters the purification liquid in the purification chamber through the connecting pipe 6, and the purification liquid purifies the exhaust gas. The motor 13 is started, and the output shaft of the motor 13 drives the rotating rod 14 and the spiral mesh 15 to rotate. The spiral mesh 15 pushes the impurities filtered by the frustum-shaped filter screen 11, and pushes the impurities through the conveying cylinder 12 and the hose 17 into the collection box 16 for storage.

[0029] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A yellow phosphorus production tail gas purification and recovery device, comprising a box (1), an exhaust port on the top of the box (1), a partition (2) fixedly installed on the inner wall of the box (1), the partition (2) dividing the interior of the box (1) into a cleaning chamber and a purification chamber from bottom to top, an air pump (3) provided on the outer side of the box (1), an air inlet pipe (4) fixedly installed on one side of the box (1), one end of the air inlet pipe (4) fixedly connected to the output end of the air pump (3), an air extraction pipe (5) fixedly connected to the input end of the air pump (3), and a connecting pipe (6) installed on the other side of the box (1), characterized in that, Also includes: The spray assembly installed on the housing (1) is used to spray the exhaust gas; A frustum-shaped filter screen (11) is installed inside the housing (1) to filter impurities; A cleaning component is installed on one side of the frustum-shaped filter screen (11) to clean impurities on one side of the frustum-shaped filter screen (11).

2. The yellow phosphorus production tail gas purification and recovery device according to claim 1, characterized in that: The spray assembly includes a water pump (7), a water pump pipe (8), and a water delivery pipe (9). The water pump pipe (8) and the water delivery pipe (9) are both fixedly installed on the other side of the housing (1). One end of the water pump pipe (8) is fixedly connected to the input end of the water pump (7), and one end of the water delivery pipe (9) is fixedly connected to the output end of the water pump (7). A spray head is fixedly installed at the bottom of the water delivery pipe (9).

3. The yellow phosphorus production tail gas purification and recovery device according to claim 2, characterized in that: A baffle (10) is fixedly installed on the outer wall of the frustum-shaped filter screen (11), and the baffle (10) is fixedly installed on the inner wall of the box (1).

4. The yellow phosphorus production tail gas purification and recovery device according to claim 3, characterized in that: The cleaning assembly includes a conveying cylinder (12), a motor (13), a rotating rod (14), and a spiral mesh (15). The conveying cylinder (12) is fixedly installed on the other side of the housing (1). One side of the conveying cylinder (12) is fixedly installed on one side of the frustum-shaped filter screen (11). The frustum-shaped filter screen (11) is connected to the conveying cylinder (12). The motor (13) is fixedly installed on the outer wall of the other side of the conveying cylinder (12). The rotating rod (14) is rotatably installed on the inner wall of the other side of the conveying cylinder (12). The spiral mesh (15) is fixedly installed on the outer wall of the rotating rod (14). The output shaft of the motor (13) is fixedly installed on one end of the rotating rod (14).

5. The yellow phosphorus production tail gas purification and recovery device according to claim 4, characterized in that: A collection box (16) is provided below the conveying cylinder (12). A hose (17) is fixedly installed on the top of the collection box (16). A discharge port is opened at the bottom of the conveying cylinder (12). One end of the hose (17) is sleeved on the discharge port. A clamp (18) is provided on the outer wall of the hose (17).

6. The yellow phosphorus production tail gas purification and recovery device according to claim 5, characterized in that: Both the top of the air inlet pipe (4) and the top of the connecting pipe (6) are provided with air outlets.

7. The yellow phosphorus production tail gas purification and recovery device according to claim 6, characterized in that: A water inlet pipe is fixedly installed on one side of the box (1), and a valve is installed on the water inlet pipe.

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