Desulfurization wastewater purification equipment and method for thermal power plant

Abstract

The invention discloses thermal power plant desulfurization wastewater purification equipment and method, and relates to the technical field of wastewater treatment.The thermal power plant desulfurization wastewater purification equipment comprises a vertical pipe, telescopic pipes are fixedly connected to the top end and the bottom end of the vertical pipe correspondingly, and first flanges are fixedly connected to the positions, close to the top and the bottom, of the outer side edge of the vertical pipe correspondingly; through mutual cooperation of a vertical pipe, a telescopic pipe, a sealing plate, a cam and other structures, the vertical pipe and the telescopic pipe can be placed between a water conveying device and purification equipment, the vertical pipe and the telescopic pipe are installed between the water conveying device and the purification equipment through bolts, a first flange and a second flange, and a motor drives a transmission rod to rotate; the transmission rod drives the cam to rotate, the cam drives the top disc to move up and down, and the top disc drives the sealing plate to move up and down, so that the primarily treated desulfurization wastewater and large-particle impurities are discharged, the large-particle impurities are filtered by the filtering disc, and the desulfurization wastewater flows into the purification equipment.

Description

Technical Field

[0001] The invention relates to the technical field of wastewater treatment, and in particular to a desulfurization wastewater purification device and method for a thermal power plant. Background Art

[0002] The wastewater generated in the wet desulfurization process of boiler flue gas comes from the discharge water of the absorption tower; the impurities contained in the desulfurization and denitrification wastewater are mainly suspended solids, sulfates, chlorides and trace heavy metal elements, many of which are the first category pollutants that require strict control in the national environmental protection standards. Direct discharge will cause huge pollution to the environment, so the desulfurization wastewater needs to be purified.

[0003] However, there are some problems in the use of existing desulfurization wastewater purification equipment. The existing desulfurization wastewater purification equipment is not convenient for pre-treating the desulfurization wastewater during use. Usually, the desulfurization wastewater is directly poured into the purification equipment, and the purification equipment then processes it. This operation will increase the workload of the purification equipment and reduce the service life of the purification equipment. At the same time, it is not convenient to adjust the stirring efficiency according to changes in the working environment. The detachability and flexibility of the device itself are low, which will affect the scope of application of the device. Summary of the invention

[0004] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a desulfurization wastewater purification device and method for a thermal power plant, which can facilitate the installation and disassembly of the device itself, the addition or reduction of the stirring equipment, the cleaning of the inside of the device, and the filtration and removal of large particles of impurities after the coagulant and the impurities in the desulfurization wastewater are condensed.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a desulfurization wastewater purification device for a thermal power plant, comprising a vertical pipe, the top and bottom ends of the vertical pipe are fixedly connected to telescopic pipes, the outer edges of the vertical pipe near the top and the bottom are fixedly connected to first flanges, the outer edges of the telescopic pipes away from the vertical pipe are fixedly connected to second flanges, a motor is provided at the center of the right side of the vertical pipe, the power output shaft of the motor is fixedly connected to a transmission rod, the left end of the transmission rod passes through the right side of the vertical pipe and is plugged into the side wall of the inner cavity of the vertical pipe, the center of the outer edge of the transmission rod is fixedly connected to a first bevel gear, the left end of the first bevel gear is fixedly connected to the first bevel gear. A second bevel gear is meshed with the side near the top and the bottom, and the side of the second bevel gear away from the transmission rod is fixedly connected with a support rod, and a support plate is sleeved on the side of the outer edge of the support rod close to the transmission rod, and the left and right sides of the support plate are fixedly connected to the side walls of the vertical tube inner cavity, and two load-bearing rings are fixedly connected to the outer edge of the support plate, and two adjacent load-bearing rings are respectively located at the top and bottom of the adjacent support plates, and the side of the outer edge of the support rod away from the transmission rod is fixedly connected with a support ring, and the end of the support rod away from the transmission rod is provided with a first cross groove, and the vertical tube inner cavity is provided with an adjustment mechanism.

[0006] Preferably, the adjustment mechanism includes a plurality of fixed columns, a first annular groove is provided on a side of the support ring away from the transmission rod, a third magnetic ring is fixedly connected in the first annular groove, a plurality of the fixed columns are arranged up and down, a second cross groove is provided on the top of the fixed column, a first cross rod is provided in the first cross groove and a plurality of second cross grooves located above, the top of the first cross rod is fixedly connected to the bottom end of the adjacent fixed column, a fixing ring is fixedly connected at the outer edge of the fixed column near the top and the bottom, a second annular groove is provided on the side of the fixed ring away from the center of the fixed column, The first magnetic ring is fixedly connected in the second annular groove, and a plurality of stirring rods are fixedly connected to the outer edge of the fixed column. The adjacent first magnetic rings are respectively arranged to fit together with the adjacent third magnetic ring and the first magnetic ring. A second cross bar is arranged in the second cross groove at the top, and a connecting column is fixedly connected to the top of the second cross bar. Connecting rings are fixedly connected at the outer edges of the connecting column near the top and the bottom. A third annular groove is opened at the bottom of the connecting ring at the bottom, and a fourth magnetic ring is fixedly connected in the third annular groove, and the bottom of the fourth magnetic ring is arranged to fit together with the adjacent first magnetic ring.

[0007] Preferably, three fixing plates are fixedly connected to the outer edge of the connecting column, through holes are opened in the inner cavity of the fixing plate, fixing rods are penetrated in the through holes, gears are fixedly connected to the top of the fixing rods, a rotating ring is fixedly connected to the outer edge of the fixing rod near the bottom, the rotating ring is located at the bottom of the fixing plate, a rotating column is fixedly connected to the bottom end of the fixing rod, a number of brushes are fixedly connected to the outer edge of the rotating column, three tooth plates are fixedly connected to the side of the inner cavity side wall of the telescopic tube away from the vertical tube, and the gears are meshed with adjacent tooth plates.

[0008] Preferably, a third cross rod is provided in the first cross groove at the bottom, the bottom end of the third cross rod is fixedly connected to a limiting column, the outer edges of the limiting column near the top and the bottom are fixedly connected to limiting rings, a fourth annular groove is opened on the side of the limiting ring away from the limiting column, a second magnetic ring is fixedly connected in the fourth annular groove, and a filter disc is sleeved on the outer edge of the limiting column.

[0009] Preferably, a movable disk is sleeved at the center of the outer edge of the support rod, a connecting hole is opened at the center of the movable disk, the connecting hole is sleeved on the outer edge of the support rod, a fifth annular groove is opened on the inner wall of the connecting hole, four fixed blocks are fixedly connected at the center of the outer edge of the support rod, four adjacent fixed blocks are located together in adjacent fifth annular grooves, and four fan-shaped grooves are opened in the inner cavity of the movable disk.

[0010] Preferably, a sealing plate is provided in the fan-shaped groove, and a vertical rod is fixedly connected to the side of the sealing plate close to the transmission rod, and an end of the vertical rod away from the sealing plate passes through the adjacent fan-shaped groove, and an end of the vertical rod away from the sealing plate is fixedly connected to a fixing plate, and a circular groove is provided on the side of the fixing plate close to the transmission rod, and magnets are fixedly connected in the circular groove, and two adjacent magnets are arranged in contact with each other, and an L-shaped rod is fixedly connected to the side of the sealing plate away from the transmission rod, and an arc plate is fixedly connected to the end of the L-shaped rod away from the sealing plate, and the four arc plates are arranged in pairs, and four adjacent arc plates form a circular ring, and four adjacent arc plates are jointly sleeved on the outer edges of adjacent support rods, and two limit plates are fixedly connected to the outer edges of the arc plates, and a second threaded hole is provided in the inner cavity of the limit plate, and a threaded rod is threadedly connected to two adjacent second threaded holes.

[0011] Preferably, cams are fixedly connected to the outer edges of the transmission rod near the left and right sides, vertical holes are opened in the inner cavity of the support plate near the left and right sides, Y-shaped rods are penetrated through the vertical holes, one end of the Y-shaped rod near the transmission rod is fixedly connected to a roller, and one end of the Y-shaped rod away from the transmission rod is fixedly connected to two top plates, the top plates are located in adjacent fan-shaped grooves, and the cam and two adjacent rollers are arranged to fit each other.

[0012] Preferably, an adjustment ring is fixedly connected to the outer edge of the motor, and an adjustment rod is fixedly connected to the top and bottom of the adjustment ring. The end of the adjustment rod away from the adjustment ring is fixedly connected to the outer edge of the vertical pipe, and four first threaded holes are provided in the inner cavities of the first flange and the second flange, and bolts are threadedly connected to two adjacent first threaded holes.

[0013] A method for purifying desulfurization wastewater from a thermal power plant, comprising the following steps:

[0014] S1: Before the purification equipment starts working, place the vertical pipe and two telescopic pipes between the water delivery device and the purification equipment, fit the upper second flange with the water delivery device, fit the lower second flange with the purification equipment, take out the bolts, and pass the bolts through the adjacent first flange and second flange. One end of the bolt will be connected to the surface of the adjacent water delivery device and purification equipment, thereby completing the connection effect of the device. The telescopic pipe can be connected with water delivery devices and purification equipment at different distances, thereby expanding the scope of application of the device;

[0015] S2: The water delivery device delivers the desulfurized wastewater to the interior of the telescopic pipe and vertical pipe above. The movable plate and sealing plate above block the wastewater. Then the coagulant is poured into the interior of the telescopic pipe and vertical pipe above through the water delivery device. The coagulant will contact the desulfurized wastewater. The coagulant condenses the suspended matter and colloidal substances in the desulfurized wastewater into large particles. The large particles will fall to the top of the multiple sealing plates above. Then the desulfurized wastewater is left to stand for 10-15 minutes.

[0016] S3: Then start the motor, the motor drives the transmission rod to rotate, the transmission rod drives the first umbrella gear to rotate, the first umbrella gear drives the two second umbrella gears to rotate, the second umbrella gear drives the support rod to rotate, the support rod drives the support ring, the third magnetic ring and the adjacent first cross rod to rotate, the third magnetic ring is adsorbed and connected with the adjacent first magnetic ring, which ensures the connection effect of the fixed column, the first cross rod will drive the fixed column to rotate, the fixed column drives the stirring rod to rotate, the stirring rod stirs the desulfurization wastewater, so that the coagulant can fully contact the suspended matter and colloidal substances in the desulfurization wastewater, the fixed column will drive the second cross rod to rotate when it rotates, the second cross rod drives the connecting column to rotate, the connecting column drives the fixed plate to rotate, the fixed plate drives the gear and the rotating column to rotate through the fixed rod, when the gear rotates with the connecting column as the center, it will contact the toothed plate on the surface of the telescopic tube, the gear meshes with the toothed plate, the gear itself rotates, the gear drives the fixed rod, the rotating ring and the rotating column to rotate, the rotating column drives the brush to rotate, the brush will clean the inner wall of the telescopic tube;

[0017] S4: When the transmission rod rotates, the transmission rod drives the cam to rotate, the cam drives the two rollers that fit each other to move up and down, the roller drives the Y-shaped rod to move up and down, the Y-shaped rod drives the top plate to move up and down, the top plate drives the adjacent sealing plate to move up and down, when the upper sealing plate moves up and down, the fan-shaped groove inside the movable plate reveals a gap, and the desulfurization wastewater and large particles of impurities will move to the inside of the telescopic tube below. The upper and lower sealing plates are connected by vertical rods, fixed plates and magnets. When the sealing plate moves up and down, it will drive the L-shaped rod, arc plate, limit plate and threaded rod to move up and down on the surface of the adjacent support rod;

[0018] S5: When the desulfurization wastewater and large particles of impurities enter the lower telescopic pipe, the filter disc will filter the large particles of impurities, and the desulfurization wastewater that has been preliminarily treated will enter the purification equipment for subsequent processing operations;

[0019] S6: After finishing the work, start to dismantle the equipment that needs cleaning and maintenance inside the vertical pipe and the telescopic pipe, move the connecting column upward, the connecting column drives the second cross bar to move upward, the second cross bar is away from the adjacent fixed column, so as to dismantle and clean the rotating column and the brush, and then move the fixed column upward in turn, the fixed column drives the first cross bar to move upward, the fixed column drives the stirring rod to move upward, so as to dismantle and clean the stirring rod. At the same time, the number of fixed columns and stirring rods placed inside the telescopic pipe is determined according to the distance between the water delivery device and the purification equipment, and the number of fixed columns and stirring rods can be increased or decreased, and then move the limit column downward, the second magnetic ring on one side of the limit column will be away from the adjacent third magnetic ring, the limit column drives the third cross bar to move downward, the limit column drives the filter plate to move downward, so as to remove the large particles of impurities on the top of the filter plate. The upper and lower positions of this device can be exchanged, and it has a variety of permutations and combinations to adapt to different working environments.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] The present invention can realize the placement of the vertical pipe and the telescopic pipe between the water delivery device and the purification equipment through the mutual cooperation between the vertical pipe, the telescopic pipe, the sealing plate, the cam and other structures, and the vertical pipe and the telescopic pipe are installed between the water delivery device and the purification equipment through the bolts, the first flange and the second flange. The motor drives the transmission rod to rotate, the transmission rod drives the cam to rotate, the cam drives the top plate to move up and down, and the top plate drives the sealing plate to move up and down, so that the preliminarily treated desulfurization wastewater and large particle impurities are discharged, the large particle impurities are filtered by the filter plate, and the desulfurization wastewater flows into the purification equipment;

[0022] Through the mutual cooperation among the fixed column, stirring rod, brush, filter plate and other structures, multiple fixed columns can be placed inside the adjacent support rods and fixed columns through the first cross rod, so as to assemble them, and the connecting column can be placed inside the uppermost fixed column through the second cross rod, so as to install the rotating column and the brush. When the motor drives the transmission rod to rotate, the transmission rod drives the second umbrella gear to rotate through the first umbrella gear, and the second umbrella gear drives the support rod to rotate. The support rod drives the fixed column and the stirring rod to rotate through the first cross rod, and the uppermost fixed column drives the rotating column and the brush to rotate through the second cross rod, so as to clean the inner wall of the telescopic tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a stereogram of the present invention;

[0024] Figure 2 It is an exploded view of the present invention;

[0025] Figure 3 This is a schematic diagram of the vertical pipe structure of the component of the present invention;

[0026] Figure 4 This is an exploded view of the fixing column of the component of the present invention;

[0027] Figure 5 This is a schematic diagram of the structure of the fixing column of the component of the present invention;

[0028] Figure 6 This is a schematic diagram of the first cross rod structure of the component of the present invention;

[0029] Figure 7 This is a schematic diagram of the structure of the fixing plate of the component of the present invention;

[0030] Figure 8 This is a schematic diagram of the structure of the rotating column component of the present invention;

[0031] Fig. 9 An exploded view of the filter disc of the component of the present invention;

[0032] Fig.10 This is an exploded bottom view of the filter disc of the component of the present invention;

[0033] Fig.11 This is a schematic diagram of the cross-sectional structure of the vertical pipe component of the present invention;

[0034] Fig.12 It is a front view of the motor component of the present invention;

[0035] Fig.13 This is an exploded view of the motor component of the present invention;

[0036] Fig.14 This is an exploded view of the supporting rod of the component of the present invention;

[0037] Fig.15 This is an exploded bottom view of the support rod of the component of the present invention;

[0038] Fig.16 This is a schematic diagram of the structure of the telescopic tube component of the present invention;

[0039] Fig.17 for Figure 7 Enlarged view of point A in the middle;

[0040] Fig.18 for Figure 8 Enlarged view of point B in the middle;

[0041] Fig.19 for Fig.14 Enlarged view of center C.

[0042] Numbers in the figure: 1, vertical pipe; 2, telescopic pipe; 3, first flange; 4, second flange; 5, bolt; 6, stirring rod; 7, first cross rod; 8, fixing ring; 9, fixing column; 10, first magnetic ring; 11, fixing plate; 12, second cross rod; 13, rotating column; 14, brush; 15, connecting ring; 16, connecting column; 17, third cross rod; 18, limiting column; 19, limiting ring; 20, second magnetic ring; 21, filter plate; 22, motor; 23, transmission rod; 24, adjusting ring; 25, adjusting rod ; 26. Cam; 27. First umbrella-shaped gear; 28. Sealing plate; 29. ​​Movable disk; 30. Vertical rod; 31. Fixed disk; 32. Support plate; 33. Second umbrella-shaped gear; 34. Support rod; 35. Support ring; 36. Fixed block; 37. Third magnetic ring; 38. Top plate; 39. Y-shaped rod; 40. Roller; 41. Magnet; 42. Gear; 43. Rotating ring; 44. Fixed rod; 45. Fourth magnetic ring; 46. L-shaped rod; 47. Arc plate; 48. Limit plate; 49. Threaded rod; 50. Tooth plate. DETAILED DESCRIPTION

[0043] See also Figure 1-19 , the present invention provides a technical solution:

[0044] Embodiment 1:

[0045] A desulfurization wastewater purification device for a thermal power plant comprises a vertical pipe 1, the top and bottom of the vertical pipe 1 are fixedly connected with a telescopic pipe 2, the outer edge of the vertical pipe 1 near the top and the bottom are fixedly connected with a first flange 3, the outer edge of the telescopic pipe 2 is fixedly connected with a second flange 4 on the side away from the vertical pipe 1, a motor 22 is arranged at the center of the right side of the vertical pipe 1, the power output shaft of the motor 22 is fixedly connected with a transmission rod 23, the left end of the transmission rod 23 passes through the right side of the vertical pipe 1, and is plugged into the side wall of the inner cavity of the vertical pipe 1, the center of the outer edge of the transmission rod 23 is fixedly connected with a first bevel gear 27, and the left side of the first bevel gear 27 near the top and the bottom is meshed with a gear 27. There is a second bevel gear 33, and the side of the second bevel gear 33 away from the transmission rod 23 is fixedly connected to a support rod 34, and the side of the outer edge of the support rod 34 close to the transmission rod 23 is sleeved with a support plate 32, and the left and right sides of the support plate 32 are fixedly connected to the side wall of the inner cavity of the vertical tube 1, and the outer edge of the support plate 32 is fixedly connected to two load-bearing rings, and the two adjacent load-bearing rings are respectively located at the top and bottom of the adjacent support plates 32, and the side of the outer edge of the support rod 34 away from the transmission rod 23 is fixedly connected to a support ring 35, and the end of the support rod 34 away from the transmission rod 23 is provided with a first cross groove, and the inner cavity of the vertical tube 1 is provided with an adjustment mechanism;

[0046] A movable disk 29 is sleeved at the center of the outer edge of the support rod 34, a connecting hole is opened at the center of the movable disk 29, the connecting hole is sleeved on the outer edge of the support rod 34, a fifth annular groove is opened on the inner wall of the connecting hole, four fixing blocks 36 are fixedly connected at the center of the outer edge of the support rod 34, four adjacent fixing blocks 36 are jointly located in the adjacent fifth annular grooves, four fan-shaped grooves are opened in the inner cavity of the movable disk 29, a sealing plate 28 is provided in the fan-shaped grooves, a vertical rod 30 is fixedly connected to the side of the sealing plate 28 close to the transmission rod 23, the end of the vertical rod 30 away from the sealing plate 28 passes through the adjacent fan-shaped groove, the end of the vertical rod 30 away from the sealing plate 28 is fixedly connected to the fixed disk 31, the fixed disk A circular groove is provided on one side of the support rod 31 close to the transmission rod 23, and a magnet 41 is fixedly connected in the circular groove. Two adjacent magnets 41 are arranged to fit each other. An L-shaped rod 46 is fixedly connected to one side of the sealing plate 28 away from the transmission rod 23, and an arc plate 47 is fixedly connected to one end of the L-shaped rod 46 away from the sealing plate 28. The four arc plates 47 are arranged to fit each other in pairs, and four adjacent arc plates 47 form a circular ring. The four adjacent arc plates 47 are jointly sleeved on the outer edges of the adjacent support rods 34. Two limit plates 48 are fixedly connected to the outer edges of the arc plates 47. A second threaded hole is provided in the inner cavity of the limit plate 48, and a threaded rod 49 is threadedly connected to the two adjacent second threaded holes.

[0047] Cams 26 are fixedly connected to the outer edges of the transmission rod 23 near the left and right sides, vertical holes are opened in the inner cavity of the support plate 32 near the left and right sides, and Y-shaped rods 39 are penetrated in the vertical holes, and one end of the Y-shaped rod 39 near the transmission rod 23 is fixedly connected to a roller 40, and one end of the Y-shaped rod 39 away from the transmission rod 23 is fixedly connected to two top plates 38, and the top plates 38 are located in adjacent fan-shaped grooves. The cam 26 and the two adjacent rollers 40 are arranged to fit each other, and the outer edge of the motor 22 is fixedly connected to the adjusting ring 24, and the top and bottom of the adjusting ring 24 are fixedly connected to the adjusting rod 25. The end of the adjusting rod 25 away from the adjusting ring 24 is fixedly connected to the outer edge of the vertical pipe 1, and the inner cavities of the first flange 3 and the second flange 4 are opened with four first threaded holes, and bolts 5 are threadedly connected in two adjacent first threaded holes.

[0048] The vertical pipe 1 and the telescopic pipe 2 are placed between the water conveying device and the purification equipment, and the vertical pipe 1 and the telescopic pipe 2 are installed between the water conveying device and the purification equipment through the bolts 5, the first flange 3 and the second flange 4. The motor 22 drives the transmission rod 23 to rotate, the transmission rod 23 drives the cam 26 to rotate, the cam 26 drives the top plate 38 to move up and down, and the top plate 38 drives the sealing plate 28 to move up and down, so as to discharge the preliminarily treated desulfurization wastewater and large particle impurities, the large particle impurities are filtered by the filter plate 21, and the desulfurization wastewater flows into the purification equipment.

[0049] Embodiment 2:

[0050] The adjustment mechanism includes a plurality of fixed columns 9, a first annular groove is provided on the side of the support ring 35 away from the transmission rod 23, a third magnetic ring 37 is fixedly connected in the first annular groove, a plurality of fixed columns 9 are arranged up and down, a second cross groove is provided on the top of the fixed column 9, a first cross rod 7 is provided in the first cross groove above and a plurality of second cross grooves, the top of the first cross rod 7 is fixedly connected to the bottom of the adjacent fixed column 9, a fixing ring 8 is fixedly connected at the outer edge of the fixed column 9 near the top and the bottom, a second annular groove is provided on the side of the fixed ring 8 away from the center of the fixed column 9, and a third magnetic ring 37 is fixedly connected in the second annular groove. A first magnetic ring 10 is connected, and a plurality of stirring rods 6 are fixedly connected to the outer edges of the fixed columns 9. Adjacent first magnetic rings 10 are respectively fitted with adjacent third magnetic rings 37 and the first magnetic ring 10. A second cross rod 12 is provided in the second cross groove at the top, and a connecting column 16 is fixedly connected to the top of the second cross rod 12. A connecting ring 15 is fixedly connected to the outer edges of the connecting column 16 near the top and the bottom. A third annular groove is provided at the bottom of the lower connecting ring 15, and a fourth magnetic ring 45 is fixedly connected in the third annular groove. The bottom of the fourth magnetic ring 45 is fitted with the adjacent first magnetic ring 10;

[0051] The outer edge of the connecting column 16 is fixedly connected with three fixing plates 11, and the inner cavity of the fixing plate 11 is provided with through holes, and the through holes are penetrated with fixing rods 44, and the top of the fixing rod 44 is fixedly connected with a gear 42, and the outer edge of the fixing rod 44 is fixedly connected with a rotating ring 43 near the bottom, and the rotating ring 43 is located at the bottom of the fixing plate 11, and the bottom end of the fixing rod 44 is fixedly connected with a rotating column 13, and the outer edge of the rotating column 13 is fixedly connected with a plurality of brushes 14, and the inner cavity side wall of the telescopic tube 2 is fixedly connected with three tooth plates 50 on the side away from the vertical tube 1, and the gear 42 is meshed with the adjacent tooth plates 50, and a third cross rod 17 is provided in the first cross groove at the bottom, and the bottom of the third cross rod 17 is fixedly connected with a limiting column 18, and the outer edge of the limiting column 18 is fixedly connected with a limiting ring 19 near the top and the bottom, and the limiting ring 19 is provided with a fourth annular groove on the side away from the limiting column 18, and the fourth annular groove is fixedly connected with a second magnetic ring 20, and the outer edge of the limiting column 18 is sleeved with a filter disc 21;

[0052] Multiple fixed columns 9 are placed inside adjacent support rods 34 and fixed columns 9 through the first cross rod 7 to assemble them, and the connecting column 16 is placed inside the uppermost fixed column 9 through the second cross rod 12 to install the rotating column 13 and the brush 14. When the motor 22 drives the transmission rod 23 to rotate, the transmission rod 23 drives the second bevel gear 33 to rotate through the first bevel gear 27, and the second bevel gear 33 drives the support rod 34 to rotate. The support rod 34 drives the fixed column 9 and the stirring rod 6 to rotate through the first cross rod 7, and the uppermost fixed column 9 drives the rotating column 13 and the brush 14 to rotate through the second cross rod 12, so as to clean the inner wall of the telescopic tube 2.

[0053] A method for purifying desulfurization wastewater from a thermal power plant, comprising the following steps:

[0054] S1: Before the purification equipment starts working, the vertical pipe 1 and the two telescopic pipes 2 are placed between the water delivery device and the purification equipment, the upper second flange 4 is fitted with the water delivery device, the lower second flange 4 is fitted with the purification equipment, the bolts 5 are taken out, and the bolts 5 are passed through the adjacent first flange 3 and second flange 4. One end of the bolt 5 will be connected to the surface of the adjacent water delivery device and purification equipment, thereby completing the connection effect of the device. The telescopic pipe 2 can be connected with water delivery devices and purification equipment at different distances, thereby expanding the application range of the device;

[0055] S2: The water delivery device delivers the desulfurized wastewater to the upper telescopic pipe 2 and the vertical pipe 1. The upper movable plate 29 and the sealing plate 28 block the wastewater. Then, the coagulant is poured into the upper telescopic pipe 2 and the vertical pipe 1 through the water delivery device. The coagulant will contact the desulfurized wastewater. The coagulant condenses the suspended matter and colloidal substances in the desulfurized wastewater into large particles. The large particles will fall to the top of the multiple sealing plates 28 above. Then, the desulfurized wastewater is left to stand for 10-15 minutes.

[0056] S3: Then start the motor 22, the motor 22 drives the transmission rod 23 to rotate, the transmission rod 23 drives the first umbrella gear 27 to rotate, the first umbrella gear 27 drives the two second umbrella gears 33 to rotate, the second umbrella gear 33 drives the support rod 34 to rotate, the support rod 34 drives the support ring 35, the third magnetic ring 37 and the adjacent first cross rod 7 to rotate, the third magnetic ring 37 is adsorbed and connected with the adjacent first magnetic ring 10, ensuring the connection effect of the fixed column 9, the first cross rod 7 will drive the fixed column 9 to rotate, the fixed column 9 drives the stirring rod 6 to rotate, the stirring rod 6 stirs the desulfurization wastewater, so that the coagulant can be fully mixed with the desulfurization wastewater. The suspended solids and colloidal substances in the tube are in contact. When the fixed column 9 rotates, the second cross rod 12 is driven to rotate. The second cross rod 12 drives the connecting column 16 to rotate. The connecting column 16 drives the fixed plate 11 to rotate. The fixed plate 11 drives the gear 42 and the rotating column 13 to rotate through the fixed rod 44. When the gear 42 rotates with the connecting column 16 as the center, it will contact the toothed plate 50 on the surface of the telescopic tube 2. The gear 42 meshes with the toothed plate 50, and the gear 42 itself rotates. The gear 42 drives the fixed rod 44, the rotating ring 43 and the rotating column 13 to rotate. The rotating column 13 drives the brush 14 to rotate, and the brush 14 will clean the inner wall of the telescopic tube 2.

[0057] S4: When the transmission rod 23 rotates, the transmission rod 23 drives the cam 26 to rotate, the cam 26 drives the two rollers 40 that fit each other to move up and down, the roller 40 drives the Y-shaped rod 39 to move up and down, the Y-shaped rod 39 drives the top plate 38 to move up and down, the top plate 38 drives the adjacent sealing plate 28 to move up and down, when the upper sealing plate 28 moves up and down, the fan-shaped groove inside the movable plate 29 exposes a gap, and the desulfurization wastewater and large particles of impurities will move to the inside of the lower telescopic tube 2, the upper and lower sealing plates 28 are connected by the vertical rod 30, the fixed plate 31 and the magnet 41, when the sealing plate 28 moves up and down, it will drive the L-shaped rod 46, the arc plate 47, the limit plate 48 and the threaded rod 49 to move up and down on the surface of the adjacent support rod 34;

[0058] S5: When the desulfurized wastewater and large impurities enter the lower telescopic tube 2, the filter disc 21 will filter the large impurities, and the desulfurized wastewater after preliminary treatment will enter the purification equipment for subsequent processing operations;

[0059] S6: After finishing the work, start to disassemble the equipment that needs cleaning and maintenance inside the vertical pipe 1 and the telescopic pipe 2, move the connecting column 16 upward, the connecting column 16 drives the second cross bar 12 to move upward, and the second cross bar 12 is away from the adjacent fixed column 9, so that the rotating column 13 and the brush 14 are disassembled and cleaned, and then the fixed column 9 is moved upward in sequence, the fixed column 9 drives the first cross bar 7 to move upward, and the fixed column 9 drives the stirring rod 6 to move upward, so that the stirring rod 6 is disassembled and cleaned. At the same time, the number of fixed columns 9 and stirring rods 6 placed inside the telescopic pipe 2 is determined according to the distance between the water delivery device and the purification equipment, and the number of fixed columns 9 and stirring rods 6 can be increased or decreased, and then the limiting column 18 is moved downward, the second magnetic ring 20 on one side of the limiting column 18 will be away from the adjacent third magnetic ring 37, the limiting column 18 drives the third cross bar 17 to move downward, and the limiting column 18 drives the filter plate 21 to move downward, so as to remove the large particles of impurities on the top of the filter plate 21. The upper and lower positions of this device can be exchanged, and it has a variety of arrangement and combination methods to adapt to different working environments.

[0060] Working principle: before the purification equipment starts working, place the vertical pipe 1 and the two telescopic pipes 2 between the water delivery device and the purification equipment, fit the upper second flange 4 to the water delivery device, fit the lower second flange 4 to the purification equipment, take out the bolt 5, and pass the bolt 5 through the adjacent first flange 3 and second flange 4. One end of the bolt 5 will be connected to the surface of the adjacent water delivery device and purification equipment, thereby completing the connection effect of the device. The telescopic pipe 2 can be connected with water delivery devices and purification equipment at different distances, thereby expanding the application range of the device;

[0061] The water delivery device delivers the desulfurized wastewater to the upper telescopic pipe 2 and the vertical pipe 1, and the upper movable plate 29 and the sealing plate 28 block the wastewater. Then, the coagulant is poured into the upper telescopic pipe 2 and the vertical pipe 1 through the water delivery device. The coagulant will contact the desulfurized wastewater, and the coagulant will condense the suspended matter and colloidal substances in the desulfurized wastewater into large particles. The large particles will fall to the top of the multiple sealing plates 28 above. Then, the desulfurized wastewater is left to stand for 10-15 minutes, and then the motor 22 is started. The motor 22 drives the transmission rod 23 to rotate, and the transmission rod 23 drives the first umbrella gear 27 to rotate. The first umbrella gear 27 drives the two second umbrella gears 33 to rotate, and the second umbrella gear 33 drives The support rod 34 rotates, and the support rod 34 drives the support ring 35, the third magnetic ring 37 and the adjacent first cross rod 7 to rotate. The third magnetic ring 37 is adsorbed and connected with the adjacent first magnetic ring 10, which ensures the connection effect of the fixed column 9. The first cross rod 7 will drive the fixed column 9 to rotate, and the fixed column 9 drives the stirring rod 6 to rotate. The stirring rod 6 stirs the desulfurization wastewater so that the coagulant can fully contact the suspended matter and colloidal substances in the desulfurization wastewater. When the fixed column 9 rotates, it will drive the second cross rod 12 to rotate, and the second cross rod 12 drives the connecting column 16 to rotate, and the connecting column 16 drives the fixed plate 11 to rotate, and the fixed plate 11 drives the gear through the fixed rod 44 42 and the rotating column 13 rotate. When the gear 42 rotates with the connecting column 16 as the center, it will contact the toothed plate 50 on the surface of the telescopic tube 2. The gear 42 meshes with the toothed plate 50, and the gear 42 rotates by itself. The gear 42 drives the fixed rod 44, the rotating ring 43 and the rotating column 13 to rotate. The rotating column 13 drives the brush 14 to rotate. The brush 14 cleans the inner wall of the telescopic tube 2. When the transmission rod 23 rotates, the transmission rod 23 drives the cam 26 to rotate. The cam 26 drives the two rollers 40 that are in contact with each other to move up and down. The roller 40 drives the Y-shaped rod 39 to move up and down. The Y-shaped rod 39 drives the top plate 38 to move up and down. The top plate 38 drives The adjacent sealing plates 28 move up and down. When the upper sealing plate 28 moves up and down, the fan-shaped groove inside the movable plate 29 reveals a gap, and the desulfurized wastewater and large particles of impurities will move to the lower telescopic tube 2. The upper and lower sealing plates 28 are connected by the vertical rod 30, the fixed plate 31 and the magnet 41. When the sealing plate 28 moves up and down, it will drive the L-shaped rod 46, the arc plate 47, the limit plate 48 and the threaded rod 49 to move up and down on the surface of the adjacent support rod 34. When the desulfurized wastewater and large particles of impurities enter the lower telescopic tube 2, the filter plate 21 will filter the large particles of impurities, and the desulfurized wastewater that has been preliminarily treated will enter the purification equipment for subsequent processing operations;

[0062] After finishing the work, start to dismantle the equipment that needs cleaning and maintenance inside the vertical pipe 1 and the telescopic pipe 2, move the connecting column 16 upward, the connecting column 16 drives the second cross rod 12 to move upward, and the second cross rod 12 is away from the adjacent fixed column 9, so that the rotating column 13 and the brush 14 are dismantled and cleaned, and then the fixed column 9 is moved upward in turn, the fixed column 9 drives the first cross rod 7 to move upward, and the fixed column 9 drives the stirring rod 6 to move upward, so as to dismantle and clean the stirring rod 6. At the same time, the number of fixed columns 9 and stirring rods 6 placed inside the telescopic pipe 2 is determined according to the distance between the water delivery device and the purification equipment, and the number of fixed columns 9 and stirring rods 6 can be increased or decreased, and then the limiting column 18 is moved downward, and the limiting column 18 The second magnetic ring 20 on one side will move away from the adjacent third magnetic ring 37, and the limiting column 18 drives the third cross rod 17 to move downward, and the limiting column 18 drives the filter plate 21 to move downward, so as to remove the large particles of impurities on the top of the filter plate 21. When it is necessary to disassemble the sealing plate 28, first take out the threaded rod 49 from the inside of the limiting plate 48, and then move the two adjacent magnets 41 away from each other, and move the sealing plate 28. The sealing plate 28 drives the vertical rod 30, the fixed plate 31 and the magnet 41 to move, and the sealing plate 28 drives the L-shaped rod 46, the arc plate 47 and the limiting plate 48 to move, so as to disassemble the sealing plate 28. The upper and lower positions of the device can be exchanged, and it has a variety of arrangement and combination methods to adapt to different working environments.

Claims

1. A desulfurization wastewater purification device for a thermal power plant, comprising a vertical pipe (1), characterized in that: The top and bottom ends of the vertical tube (1) are fixedly connected to a telescopic tube (2); the outer edges of the vertical tube (1) near the top and the bottom are fixedly connected to a first flange (3); the outer edges of the telescopic tube (2) away from the vertical tube (1) are fixedly connected to a second flange (4); a motor (22) is provided at the center of the right side of the vertical tube (1); a power output shaft of the motor (22) is fixedly connected to a transmission rod (23); the left end of the transmission rod (23) passes through the right side of the vertical tube (1) and is inserted into the side wall of the inner cavity of the vertical tube (1); a first bevel gear (27) is fixedly connected to the center of the outer edge of the transmission rod (23); a second bevel gear (33) is meshed with the left side of the first bevel gear (27) near the top and the bottom. ), the side of the second bevel gear (33) away from the transmission rod (23) is fixedly connected to a support rod (34), the side of the outer edge of the support rod (34) close to the transmission rod (23) is sleeved with a support plate (32), the left and right sides of the support plate (32) are fixedly connected to the side wall of the inner cavity of the vertical tube (1), the outer edge of the support plate (32) is fixedly connected to two load-bearing rings, and two adjacent load-bearing rings are respectively located at the top and bottom of the adjacent support plates (32), the side of the outer edge of the support rod (34) away from the transmission rod (23) is fixedly connected to a support ring (35), the end of the support rod (34) away from the transmission rod (23) is provided with a first cross groove, and the inner cavity of the vertical tube (1) is provided with an adjustment mechanism.

2. A thermal power plant desulfurization wastewater purification equipment according to claim 1, characterized in that: The adjustment mechanism comprises a plurality of fixed columns (9), a first annular groove is provided on a side of the support ring (35) away from the transmission rod (23), a third magnetic ring (37) is fixedly connected in the first annular groove, a plurality of the fixed columns (9) are arranged up and down, a second cross groove is provided on the top of the fixed column (9), a first cross rod (7) is provided in the first cross groove and a plurality of second cross grooves located above, the top of the first cross rod (7) is fixedly connected to the bottom of the adjacent fixed column (9), a fixed ring (8) is fixedly connected to the outer edge of the fixed column (9) near the top and the bottom, a second annular groove is provided on the side of the fixed ring (8) away from the center of the fixed column (9), a third magnetic ring (37) is fixedly connected in the second annular groove A first magnetic ring (10) is connected, and the outer edges of the fixed columns (9) are fixedly connected to a plurality of stirring rods (6). The adjacent first magnetic rings (10) are respectively arranged to fit together with the adjacent third magnetic ring (37) and the first magnetic ring (10). A second cross rod (12) is arranged in the second cross groove at the top, and a connecting column (16) is fixedly connected to the top of the second cross rod (12). A connecting ring (15) is fixedly connected to the outer edges of the connecting column (16) near the top and the bottom. A third annular groove is provided at the bottom of the connecting ring (15) at the bottom, and a fourth magnetic ring (45) is fixedly connected in the third annular groove. The bottom of the fourth magnetic ring (45) is arranged to fit together with the adjacent first magnetic ring (10).

3. A thermal power plant desulfurization wastewater purification equipment according to claim 2, characterized in that: The outer edge of the connecting column (16) is fixedly connected to three fixing plates (11), the inner cavity of the fixing plate (11) is provided with through holes, and the through holes are penetrated by fixing rods (44), the top of the fixing rod (44) is fixedly connected to a gear (42), the outer edge of the fixing rod (44) near the bottom is fixedly connected to a rotating ring (43), the rotating ring (43) is located at the bottom of the fixing plate (11), the bottom end of the fixing rod (44) is fixedly connected to a rotating column (13), the outer edge of the rotating column (13) is fixedly connected to a plurality of brushes (14), and the inner cavity side wall of the telescopic tube (2) is fixedly connected to three tooth plates (50) on the side away from the vertical tube (1), and the gear (42) is meshed with an adjacent tooth plate (50).

4. A thermal power plant desulfurization wastewater purification equipment according to claim 1, characterized in that: A third cross rod (17) is arranged in the first cross groove at the bottom, the bottom end of the third cross rod (17) is fixedly connected to a limiting column (18), the outer edges of the limiting column (18) near the top and the bottom are fixedly connected to limiting rings (19), a fourth annular groove is formed on the side of the limiting ring (19) away from the limiting column (18), a second magnetic ring (20) is fixedly connected in the fourth annular groove, and a filter disc (21) is sleeved on the outer edge of the limiting column (18).

5. A thermal power plant desulfurization wastewater purification equipment according to claim 1, characterized in that: A movable disk (29) is sleeved at the center of the outer edge of the support rod (34), a connecting hole is opened at the center of the movable disk (29), the connecting hole is sleeved on the outer edge of the support rod (34), a fifth annular groove is opened on the inner wall of the connecting hole, four fixed blocks (36) are fixedly connected at the center of the outer edge of the support rod (34), four adjacent fixed blocks (36) are located together in adjacent fifth annular grooves, and four fan-shaped grooves are opened in the inner cavity of the movable disk (29).

6. A thermal power plant desulfurization wastewater purification equipment according to claim 5, characterized in that: A sealing plate (28) is provided in each of the fan-shaped grooves. A vertical rod (30) is fixedly connected to a side of the sealing plate (28) close to the transmission rod (23). An end of the vertical rod (30) away from the sealing plate (28) passes through an adjacent fan-shaped groove. A fixed disk (31) is fixedly connected to an end of the vertical rod (30) away from the sealing plate (28). A circular groove is provided on a side of the fixed disk (31) close to the transmission rod (23). A magnet (41) is fixedly connected to the circular groove. Two adjacent magnets (41) are arranged to fit each other. The sealing plate (28) away from the transmission rod (23) is fixedly connected to a side of the sealing plate (28). One side is fixedly connected with an L-shaped rod (46), and the end of the L-shaped rod (46) away from the sealing plate (28) is fixedly connected with an arc plate (47), the four arc plates (47) are arranged in pairs, the four adjacent arc plates (47) form a ring, the four adjacent arc plates (47) are jointly sleeved on the outer edges of the adjacent support rods (34), the outer edges of the arc plates (47) are fixedly connected with two limit plates (48), the inner cavity of the limit plate (48) is opened with a second threaded hole, and the two adjacent second threaded holes are jointly threaded with a threaded rod (49).

7. A thermal power plant desulfurization wastewater purification equipment according to claim 1, characterized in that: Cams (26) are fixedly connected to the outer edges of the transmission rod (23) near the left and right sides, vertical holes are opened in the inner cavity of the support plate (32) near the left and right sides, and Y-shaped rods (39) are penetrated in the vertical holes. One end of the Y-shaped rod (39) near the transmission rod (23) is fixedly connected to a roller (40), and one end of the Y-shaped rod (39) away from the transmission rod (23) is fixedly connected to two top plates (38), and the top plates (38) are located in adjacent fan-shaped grooves. The cam (26) and the two adjacent rollers (40) are arranged to fit each other.

8. A thermal power plant desulfurization wastewater purification equipment according to claim 1, characterized in that: An adjusting ring (24) is fixedly connected to the outer edge of the motor (22), and an adjusting rod (25) is fixedly connected to the top and bottom of the adjusting ring (24). One end of the adjusting rod (25) away from the adjusting ring (24) is fixedly connected to the outer edge of the vertical pipe (1). The first flange (3) and the second flange (4) are each provided with four first threaded holes in their inner cavities, and bolts (5) are commonly threadedly connected to two adjacent first threaded holes.

9. A method for purifying desulfurization wastewater from a thermal power plant according to any one of claims 1 to 8, characterized in that: The following steps are involved: S1: Before the purification device starts working, the vertical pipe (1) and the two telescopic pipes (2) are placed between the water conveying device and the purification device, the upper second flange (4) is fitted with the water conveying device, the lower second flange (4) is fitted with the purification device, the bolts (5) are taken out, and the bolts (5) are passed through the adjacent first flange (3) and second flange (4), and one end of the bolt (5) is connected to the surface of the adjacent water conveying device and purification device, thereby completing the connection effect of the device. The telescopic pipe (2) can be connected with water conveying devices and purification devices at different distances, thereby expanding the application range of the device; S2: The water delivery device delivers the desulfurized wastewater to the interior of the upper telescopic pipe (2) and the vertical pipe (1), and the upper movable plate (29) and the sealing plate (28) block the wastewater. Then, the coagulant is poured into the interior of the upper telescopic pipe (2) and the vertical pipe (1) through the water delivery device. The coagulant will contact the desulfurized wastewater and condense the suspended matter and colloidal substances in the desulfurized wastewater into large particles. The large particles will fall to the top of the multiple sealing plates (28) above, and then the desulfurized wastewater will be left to stand for 10-15 minutes. S3: Then the motor (22) is started, the motor (22) drives the transmission rod (23) to rotate, the transmission rod (23) drives the first umbrella gear (27) to rotate, the first umbrella gear (27) drives the two second umbrella gears (33) to rotate, the second umbrella gear (33) drives the support rod (34) to rotate, the support rod (34) drives the support ring (35), the third magnetic ring (37) and the adjacent first cross rod (7) to rotate, the third magnetic ring (37) and the adjacent first magnetic ring (10) are adsorbed and connected, ensuring the connection effect of the fixed column (9), the first cross rod (7) will drive the fixed column (9) to rotate, the fixed column (9) drives the stirring rod (6) to rotate, the stirring rod (6) stirs the desulfurization wastewater, so that the coagulant can fully mix with the suspended particles in the desulfurization wastewater. When the fixed column (9) is in contact with the colloidal substance, the second cross rod (12) is driven to rotate when the fixed column (9) rotates, the second cross rod (12) drives the connecting column (16) to rotate, the connecting column (16) drives the fixed plate (11) to rotate, the fixed plate (11) drives the gear (42) and the rotating column (13) to rotate through the fixed rod (44), when the gear (42) rotates with the connecting column (16) as the center, it contacts the toothed plate (50) on the surface of the telescopic tube (2), the gear (42) meshes with the toothed plate (50), the gear (42) itself rotates, the gear (42) drives the fixed rod (44), the rotating ring (43) and the rotating column (13) to rotate, the rotating column (13) drives the brush (14) to rotate, and the brush (14) cleans the inner wall of the telescopic tube (2); S4: When the transmission rod (23) rotates, the transmission rod (23) drives the cam (26) to rotate, the cam (26) drives the two rollers (40) that fit each other to move up and down, the roller (40) drives the Y-shaped rod (39) to move up and down, the Y-shaped rod (39) drives the top plate (38) to move up and down, the top plate (38) drives the adjacent sealing plate (28) to move up and down, when the upper sealing plate (28) moves up and down, the fan-shaped groove inside the movable plate (29) reveals a gap, and the desulfurization wastewater and large particles of impurities will move to the inside of the lower telescopic tube (2), the upper and lower sealing plates (28) are connected by the vertical rod (30), the fixed plate (31) and the magnet (41), when the sealing plate (28) moves up and down, it will drive the L-shaped rod (46), the arc plate (47), the limit plate (48) and the threaded rod (49) to move up and down on the surface of the adjacent support rod (34); S5: When the desulfurized wastewater and large impurities enter the lower telescopic pipe (2), the filter disc (21) will filter the large impurities, and the desulfurized wastewater after preliminary treatment will enter the purification equipment for subsequent processing operations; S6: After the work is finished, the equipment that needs to be cleaned and maintained inside the vertical tube (1) and the telescopic tube (2) is disassembled, and the connecting column (16) is moved upward. The connecting column (16) drives the second cross rod (12) to move upward, and the second cross rod (12) is away from the inside of the adjacent fixed column (9), so that the rotating column (13) and the brush (14) are disassembled and cleaned. Then, the fixed column (9) is moved upward in sequence, and the fixed column (9) drives the first cross rod (7) to move upward, and the fixed column (9) drives the stirring rod (6) to move upward, so that the stirring rod (6) is disassembled and cleaned. At the same time, the fixed column placed inside the telescopic tube (2) is The number of the fixing column (9) and the stirring rod (6) is determined according to the distance between the water delivery device and the purification device. The number of the fixing column (9) and the stirring rod (6) can be increased or decreased. Then, the limiting column (18) is moved downward. The second magnetic ring (20) on one side of the limiting column (18) will be away from the adjacent third magnetic ring (37). The limiting column (18) drives the third cross rod (17) to move downward. The limiting column (18) drives the filter plate (21) to move downward, thereby removing large particles of impurities on the top of the filter plate (21). The upper and lower positions of the device can be exchanged for work, and a variety of arrangement and combination methods are provided to adapt to different working environments.

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