Air solid waste pollution treatment device for petroleum refining

Abstract

The invention belongs to the related technical field of pollution, and particularly discloses an air solid waste pollution treatment device for petroleum refining, which comprises a base, a pollution treatment box is arranged above the base, an air inlet pipe is mounted at the front end in the pollution treatment box in a communicating manner, and a flow dividing mechanism is arranged in the air inlet pipe; a suction filtering mechanism is arranged above the base and located at the rear end of the pollution treatment box, a water tank is arranged at the position, close to the lower portion, of the front end in the pollution treatment box, an ultra-fine filter screen is arranged at the rear end of the inner side of the pollution treatment box, and partition plates are arranged on the two sides in the pollution treatment box and located at the front end of the ultra-fine filter screen correspondingly; according to the device disclosed by the invention, through the synergistic effect of multi-stage gradient interception and rotary fog flow, efficient removal of particulate matters in petroleum refining waste gas is realized, meanwhile, long-acting and stable operation of the device is guaranteed by a self-cleaning mechanism, and an ultra-clean emission standard is met.

Description

Technical Field

[0001] This invention belongs to the field of pollution-related technology, and specifically discloses an airborne solid waste pollution treatment device for petroleum refining. Background Technology

[0002] The waste gas generated during petroleum refining contains a large amount of particulate matter (such as catalyst dust, oil mist, sulfide particles, etc.), with a particle size typically ranging from 0.1 to 100 μm. Existing treatment devices have the following core problems;

[0003] Insufficient particulate matter removal efficiency: Traditional spray towers or bag filters have a collection efficiency of only 60%-70% for fine particulate matter <10μm, which cannot meet the latest environmental emission standards.

[0004] Short airflow paths lead to insufficient contact, and conventional devices have short airflow residence times, resulting in inadequate mixing of liquid injection with exhaust gas. This is especially true for high-concentration exhaust gas with high particulate matter concentrations, leading to a significant decrease in treatment efficiency. Therefore, improvements are needed. Summary of the Invention

[0005] The purpose of this invention is to solve the problems existing in the background art, and to propose an air solid waste pollution treatment device for petroleum refining, including a base, a pollution treatment box arranged on the top of the base, an air inlet pipe connected to the front end of the pollution treatment box, a flow diversion mechanism arranged inside the air inlet pipe, a suction and filtration mechanism arranged above the base and at the rear end of the pollution treatment box, a water tank arranged at the front end and near the bottom of the pollution treatment box, an ultrafine filter screen arranged at the rear end of the inner side of the pollution treatment box, partitions arranged on both sides of the pollution treatment box at the front end of the ultrafine filter screen, and a turbulence jetting mechanism arranged between the two partitions.

[0006] Preferably, the diversion mechanism includes a frame plate fixedly installed inside one end of the intake pipe, an arc-shaped diversion plate is fitted inside the frame plate, and the two ends of the arc-shaped diversion plate abut against the outer wall of the corresponding partition.

[0007] Preferably, the suction filtration mechanism includes a fan disposed above the base and located at the rear end of the pollution treatment box, and a purification box is disposed above one end of the fan.

[0008] Preferably, the turbulence jetting mechanism includes a V-shaped interference plate. The V-shaped interference plate is connected to the outer wall of the corresponding partition through a fixing frame fixed on both sides. The V-shaped surface at the front end of the V-shaped interference plate is provided with multiple clamping plates. The outer surface of the multiple clamping plates is provided with turbulence plates at equal intervals along the horizontal direction, and the length of the multiple turbulence plates increases sequentially. Multiple arc-shaped guide shells are clamped in the middle of the clamping plates.

[0009] Preferably, a lead screw is rotatably arranged between the two partitions and near the front end of the V-shaped interference plate, and a motor is provided at one end of the lead screw. The motor is connected to the outer wall of one of the partitions. A guide block is threaded to the outside of the lead screw, and a V-shaped rod is fixedly arranged on the outside of the guide block. A fixing plate is provided on the outer surface of one side of the V-shaped interference plate at both the top and bottom ends. The fixing plate has a groove inside that is adapted to the sliding of the V-shaped rod. An inclined plate is provided at the rear end of the outer wall of the V-shaped rod above the corresponding clamping plate. Multiple brush rollers that roll in contact with the spoiler are provided on the outer surface of the inclined plate.

[0010] Preferably, the V-shaped rod has multiple rotating shafts on its outer V-shaped surface, and a cross rod is rotatably fitted on the outside of each of the multiple rotating shafts. Each corner of the cross rod is provided with a backlash baffle, and vortex columns are symmetrically arranged on the outer surface of the backlash baffle, with the interior of the vortex columns being curved.

[0011] Preferably, a pipe support is provided at the bottom of the inner side of the water tank, a U-shaped pipe is installed inside the pipe support, multiple nozzles are installed on both sides of the U-shaped pipe, a water pump is installed at one end of the U-shaped pipe, the water pump is installed on the outer wall of the front end of the pollution treatment tank, and a control box is provided on one side of the outer wall of the pollution treatment tank.

[0012] Preferably, one end of the water tank extends to the outside of the pollution treatment tank, and a drain pipe is connected to one side of the inside of the water tank, while an inlet pipe is connected to the top of the inside of the water tank.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] By installing an arc-shaped diverter at the intake pipe, the intake exhaust gas can be divided into two streams. The upper stream of exhaust gas and particulate matter is guided to the top of the V-shaped interference plate, while the lower stream of exhaust gas and particulate matter is guided to the bottom of the V-shaped interference plate. Under the suction of the suction and filtration mechanism, both exhaust gas and particulate matter move upwards and are intercepted layer by layer by the baffles at the upper and lower ends of the V-shaped interference plate (with increasing lengths). The arc-shaped guide shell changes the airflow path and also extends the airflow path. The baffles can block the particulate matter mixed in the passing airflow until the exhaust gas finally passes through the ultra-fine filter, where the particulate matter content is reduced. The ultra-fine filter can efficiently block all particulate matter, meeting the ultra-clean emission standards.

[0015] By setting up guide blocks and V-shaped bars that move laterally and reciprocatingly, multiple sets of brush rollers at the rear of the V-shaped bars can clean the particles on the baffle plate. The cross bar and backflushing baffle at the front end can work together with the water sprayed from the nozzle at the U-shaped tube. During the reciprocating movement, water is sprayed on the outer surface of the backflushing baffle, causing the backflushing baffle to rotate and increasing the spray range. The backflushing baffle and the vortex column make the sprayed water droplets form a rotating mist, which reduces dust on the particles. At the same time, the vortex column set on the outer surface of the backflushing baffle can change the path of the water spray, so that the exhaust gas can fully contact the water when it passes through, enhancing the removal effect of solid particles. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0017] Figure 2 This is another schematic diagram of the overall connection structure of the present invention;

[0018] Figure 3 This is a schematic diagram of the connection structure of the inner part of the pollution treatment box of the present invention;

[0019] Figure 4 This is a schematic diagram of the connection structure between the vertical section, the U-shaped tube, and the frame of the present invention;

[0020] Figure 5 This is a schematic diagram of the connection structure between the partition and the V-shaped interference plate of the present invention;

[0021] Figure 6 This is a schematic diagram of the connection structure between the V-shaped rod and the guide block of the present invention;

[0022] Figure 7 This is a schematic diagram of the disassembled connection structure between the V-shaped rod, the inclined plate, and the brush roller of the present invention;

[0023] Figure 8 This is a schematic diagram of the connection structure between the V-shaped interference plate and the clamping plate of the present invention;

[0024] Figure 9 For the present invention Figure 3 Schematic diagram of the structure at point A in the middle;

[0025] Figure 10 For the present invention Figure 6 Schematic diagram of the structure at point B.

[0026] In the diagram: 1. Base; 2. Control box; 3. Pollution treatment box; 4. Air inlet pipe; 5. Water tank; 6. Water pump; 7. Sewage pipe; 8. Fan; 9. Purification box; 10. Ultrafine filter; 11. Partition plate; 12. U-shaped tube; 13. Nozzle; 14. V-shaped interference plate; 15. Arc-shaped diverter plate; 16. Water inlet pipe; 17. Frame plate; 18. Fixing frame; 19. Clamping plate; 20. Lead screw; 21. Motor; 22. Inclined plate; 23. Brush roller; 24. V-shaped rod; 25. Backlash baffle; 26. Cross rod; 27. Rotating shaft; 28. Vortex column; 29. ​​Fixing plate; 30. Slide groove; 31. Curved surface; 32. Arc-shaped guide shell; 33. Baffle plate; 34. Guide block; 35. Frame pipe seat. Detailed Implementation

[0027] To better understand the above-mentioned objectives, features, and advantages of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0028] Numerous specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and therefore the invention is not limited to the specific embodiments disclosed below.

[0029] like Figures 1-10 The device for treating airborne solid waste pollution in petroleum refining includes a base 1, a pollution treatment box 3 on top of the base 1, an air inlet pipe 4 connected to the front end of the pollution treatment box 3, a diversion mechanism inside the air inlet pipe 4, a suction and filtration mechanism on top of the base 1 and at the rear end of the pollution treatment box 3, a water tank 5 at the front end and near the bottom of the pollution treatment box 3, an ultrafine filter 10 at the rear end of the inner side of the pollution treatment box 3, partitions 11 on both sides of the inside of the pollution treatment box 3 and at the front end of the ultrafine filter 10, and a turbulence jetting mechanism between the two partitions 11.

[0030] The air inlet pipe 4 is connected to the exhaust gas outlet of the refining equipment, and the exhaust gas is introduced into the pollution treatment box 3 for particulate matter separation treatment.

[0031] The diversion mechanism includes a frame plate 17 fixedly installed inside one end of the intake pipe 4. An arc-shaped diversion plate 15 is fitted inside the frame plate 17, and the two ends of the arc-shaped diversion plate 15 abut against the outer wall of the corresponding partition plate 11. The arc-shaped diversion plate 15 is fixed in the middle of the intake pipe 4 by the frame plate 17. The partition plates 11 at both ends abut against it can ensure the stability of the diversion path, so that when the exhaust gas enters the pollution treatment box 3, it can be clearly diverted.

[0032] The suction filtration mechanism includes a fan 8 located above the base 1 and at the rear end of the pollution treatment box 3, and a purification box 9 is located above one end of the fan 8.

[0033] Under the negative pressure suction at the rear end, the fan 8 causes the exhaust gas to flow above the V-shaped interference plate 14 to the ultra-fine filter 10.

[0034] The turbulence jetting mechanism includes a V-shaped interference plate 14. The V-shaped interference plate 14 is connected to the outer wall of the corresponding partition plate 11 through a fixing frame 18 fixed on both sides. The V-shaped surface at the front end of the V-shaped interference plate 14 is provided with multiple clamping plates 19. The outer surface of the multiple clamping plates 19 is provided with turbulence plates 33 at equal intervals along the horizontal direction, and the length of the multiple turbulence plates 33 increases sequentially. Multiple arc-shaped guide shells 32 are clamped in the middle of the clamping plate 19. The length of the turbulence plates 33 increases sequentially, which can make the airflow turn layer by layer, extend the path of the exhaust gas flow, and effectively block particulate matter in the exhaust gas.

[0035] The arc-shaped guide shell 32 is embedded inside the clamping plate 19, which can guide the airflow layer by layer in a spiral motion and prolong the residence time.

[0036] A lead screw 20 is rotatably mounted between the two partitions 11 and near the front end of the V-shaped interference plate 14. A motor 21 is mounted at one end of the lead screw 20 and is connected to the outer wall of one of the partitions 11. A guide block 34 is threaded onto the outside of the lead screw 20, and a V-shaped rod 24 is fixedly mounted on the outside of the guide block 34. Fixing plates 29 are mounted on the outer surface of one side of the V-shaped interference plate 14 at both the top and bottom ends. Each fixing plate 29 has a groove 30 inside to accommodate the sliding of the V-shaped rod 24. An inclined plate 22 is provided at the rear end of the outer wall of the V-shaped bar 24 and above the corresponding clamping plate 19. Multiple brush rollers 23 are provided on the outer surface of the inclined plate 22 to roll in contact with the baffle 33. The motor 21 drives the lead screw 20 to rotate, which drives the guide block 34 and the V-shaped bar 24 to move laterally back and forth along the slide groove 30 of the fixed plate 29. The brush rollers 23 at the inclined plate 22 roll between two adjacent baffles 33 to clean the dust on the surface of the baffles 33, ensuring that the baffles 33 continuously block particulate matter.

[0037] The V-shaped rod 24 has multiple rotating shafts 27 on its outer V-shaped surface. Each rotating shaft 27 is fitted with a crossbar 26. Each corner of the crossbar 26 has a backflow baffle 25. The outer surface of the backflow baffle 25 is symmetrically equipped with vortex columns 28, the interior of which is curved 31. A pipe support 35 is located at the bottom inner side of the water tank 5. A U-shaped pipe 12 is installed inside the pipe support 35. Multiple nozzles 13 are installed on both sides of the U-shaped pipe 12. A water pump 6 is installed at one end of the U-shaped pipe 12. The outer wall of the front end of the pollution treatment box 3 is equipped with a control box 2. The water inlet of the water pump 6 is connected to the external water supply pipe, which delivers water to the inside of the U-shaped pipe 12. The water is sprayed onto the outer surface of the front end of the V-shaped interference plate 14 through the nozzle 13. The water flow impacts the front end of the V-shaped rod 24 and the backflow baffle 25 during the movement process, which drives the cross rod 26 to rotate around the rotating shaft 27. This causes the inner curved surface 31 of the vortex column 28 to guide and disperse the water flow into a mist, increasing the contact area with the particles, so that the particles can automatically settle into the water tank 5 after contacting the water.

[0038] One end of the water tank 5 extends to the outside of the pollution treatment tank 3, and a drain pipe 7 is connected to one side of the inside of the water tank 5. An inlet pipe 16 is connected to the top of the inside of the water tank 5. The drain pipe 7 can discharge the sewage inside, while the inlet pipe 16 maintains the water level inside the water tank 5 to ensure that the particulate matter can be easily flowed away later.

[0039] It should be noted that the drain pipe 7 at water tank 5 can also be connected to an external suction pump to powerfully suck up dirt and particulate matter.

[0040] Working principle: Exhaust gas enters through the intake pipe 4. The arc-shaped diverter 15 divides the airflow into two streams, upper and lower. The upper stream flows upward through the channel between the baffle 11 and the upper end of the V-shaped interference plate 14, while the lower stream flows obliquely upward along the lower end of the V-shaped interference plate 14. Under the suction effect, the two streams eventually converge in front of the ultrafine filter 10. The baffles 33 on both sides of the V-shaped interference plate 14 are distributed in a gradient, forcing the airflow to turn multiple times and generating turbulence, thus prolonging the residence time. The arc-shaped guide shell 32 guides the airflow in a spiral shape, effectively blocking the flow of particulate matter. The motor 21 drives the lead screw 20 to rotate, and the guide block 34 drives the V-shaped rod 24 along the slide groove 30. As the flow continues, the brush roller 23 on the inclined plate 22 continuously sweeps the dust accumulated on the outer surface of the baffle plate 33. At this time, the water pump 6 pressurizes and delivers water to the multiple sets of nozzles 13 on the U-shaped pipe 12, spraying and dust suppression at the front end of the V-shaped baffle plate 14. The cross bar 26 and the backflushing baffle 25 at the front end of the V-shaped bar 24 rotate under the water jet. The backflushing baffle 25 cuts the water flow into fine droplets, which are then accelerated by the curved surface 31 of the vortex column 28, allowing the water to further generate a rotating mist, enhancing the capture of fine particles and improving the gas-liquid mixing effect. After the particles are captured by the droplets, they settle down to the water tank 5 by gravity, and finally the sewage is discharged to the outside of the pollution treatment tank 3 through the sewage pipe 7.

[0041] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed invention.

Claims

1. A device for treating airborne solid waste pollution in petroleum refining, comprising a base (1), characterized in that: A pollution treatment box (3) is provided above the base (1). An air inlet pipe (4) is connected to the front end of the pollution treatment box (3). A diversion mechanism is provided inside the air inlet pipe (4). A suction filtration mechanism is provided above the base (1) and at the rear end of the pollution treatment box (3). A water tank (5) is provided at the front end and near the bottom of the pollution treatment box (3). An ultrafine filter screen (10) is provided at the rear end of the inner side of the pollution treatment box (3). Baffles (11) are provided on both sides of the inside of the pollution treatment box (3) and at the front end of the ultrafine filter screen (10). A turbulence jetting mechanism is provided between the two baffles (11).

2. The airborne solid waste pollution treatment device for petroleum refining according to claim 1, characterized in that: The diversion mechanism includes a frame plate (17) fixedly installed inside one end of the air intake pipe (4), an arc-shaped diversion plate (15) is fitted inside the frame plate (17), and the two ends of the arc-shaped diversion plate (15) abut against the outer wall of the corresponding partition plate (11).

3. The airborne solid waste pollution treatment device for petroleum refining according to claim 1, characterized in that: The suction and filtration mechanism includes a fan (8) located above the base (1) and at the rear end of the pollution treatment box (3), and a purification box (9) is provided above one end of the fan (8).

4. The airborne solid waste pollution treatment device for petroleum refining according to claim 1, characterized in that: The turbulence jetting mechanism includes a V-shaped interference plate (14). The V-shaped interference plate (14) is connected to the outer wall of the corresponding partition (11) through a fixed bracket (18) fixed on both sides. The V-shaped surface at the front end of the V-shaped interference plate (14) is provided with multiple clamping plates (19). The outer surface of the multiple clamping plates (19) is provided with turbulence plates (33) at equal distances along the horizontal direction. The length of the multiple turbulence plates (33) increases sequentially. Multiple arc-shaped guide shells (32) are clamped in the middle of the clamping plate (19).

5. The airborne solid waste pollution treatment device for petroleum refining according to claim 4, characterized in that: A lead screw (20) is rotatably provided between the two partitions (11) and near the front end of the V-shaped interference plate (14), and a motor (21) is provided at one end of the lead screw (20). The motor (21) is connected to the outer wall of one of the partitions (11). A guide block (34) is threaded to the outside of the lead screw (20). A V-shaped rod (24) is fixedly provided on the outside of the guide block (34). A fixing plate (29) is provided on the outer surface of one side of the V-shaped interference plate (14) and at both the upper and lower ends. A sliding groove (30) adapted to the sliding of the V-shaped rod (24) is provided inside the fixing plate (29). An inclined plate (22) is provided at the rear end of the outer wall of the V-shaped rod (24) and above the corresponding clamping plate (19). A plurality of brush rollers (23) that roll in contact with the baffle plate (33) are provided on the outer surface of the inclined plate (22).

6. The airborne solid waste pollution treatment device for petroleum refining according to claim 5, characterized in that: The V-shaped rod (24) has multiple rotating shafts (27) on its V-shaped outer surface. Each of the multiple rotating shafts (27) is fitted with a cross rod (26). Each corner of the cross rod (26) is provided with a reverse thrust baffle (25). The outer surface of the reverse thrust baffle (25) is symmetrically provided with vortex columns (28), and the inside of the vortex columns (28) is set with a curved surface (31).

7. The airborne solid waste pollution treatment device for petroleum refining according to claim 1, characterized in that: The water tank (5) has a pipe support seat (35) at the bottom inside. A U-shaped pipe (12) is installed inside the pipe support seat (35). Multiple nozzles (13) are connected to both sides inside the U-shaped pipe (12). A water pump (6) is connected to one end of the U-shaped pipe (12). The water pump (6) is installed on the outer wall of the front end of the pollution treatment tank (3). A control box (2) is provided on one side of the outer wall of the pollution treatment tank (3).

8. The airborne solid waste pollution treatment device for petroleum refining according to claim 1, characterized in that: One end of the water tank (5) extends to the outside of the pollution treatment tank (3), and a drain pipe (7) is connected to one side of the inside of the water tank (5), and an inlet pipe (16) is connected to the top of the inside of the water tank (5).

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