Thermal power plant desulfurization wastewater treatment device

Abstract

The utility model discloses a thermal power plant desulfurization wastewater treatment device, which relates to the technical field of wastewater treatment and comprises a shell and a rotating pipe, the rotating pipe is rotatably sleeved in the middle of the upper end of the shell, a U-shaped frame is fixedly arranged at the top of the shell, and a fixed pipe is fixedly arranged in the middle of the U-shaped frame. The lower end of the fixed pipe is rotationally connected with a rotating pipe, a first transmission mechanism for driving the rotating pipe to rotate is arranged on the inner side of the U-shaped frame, stirring pipes are arranged on the two sides of the lower end of the rotating pipe correspondingly, and a plurality of spray heads are fixedly arranged on the sides, close to each other, of the two stirring pipes correspondingly; the lower end of the rotating pipe and the two ends of each stirring pipe are closed, and the two sides of the lower end of the rotating pipe are communicated with the corresponding stirring pipes through hoses. According to the utility model, wastewater can be stirred while a flocculating agent is added, so that the mixing efficiency of the flocculating agent and the wastewater can be improved, and the wastewater treatment efficiency can be further improved.

Description

Technical Field

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

[0002] Chemical dosing method for desulfurization wastewater treatment process: neutralization, precipitation, flocculation, concentration and clarification chemical treatment methods are often used for treatment. However, during the flocculation process, coagulants need to be added to the wastewater, and continuous stirring is required to prevent the flocculants from settling.

[0003] During the use of traditional thermal power plant desulfurization wastewater treatment equipment, the flocculant is usually poured directly into the wastewater container and then stirred. Since the added coagulant is relatively concentrated, the stirring time needs to be extended, which to a certain extent prolongs the coagulation time of suspended matter in the wastewater, and also prolongs the desulfurization time of the wastewater. Utility Model Content

[0004] In view of the problems existing in the above-mentioned existing desulfurization wastewater treatment devices of thermal power plants, the present utility model is proposed.

[0005] Therefore, the purpose of the utility model is to provide a desulfurization wastewater treatment device for a thermal power plant, which solves the problem that during the use of the desulfurization wastewater treatment device for a thermal power plant in the prior art, the flocculant is usually poured directly into the wastewater container and then stirred. Since the added coagulant is relatively concentrated, the stirring time needs to be extended, which to a certain extent prolongs the coagulation time of suspended matter in the wastewater, and also prolongs the desulfurization time of the wastewater.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A desulfurization wastewater treatment device for a thermal power plant comprises a shell and a rotating tube, wherein the rotating tube is rotatably sleeved on the middle part of the upper end of the shell, a U-shaped frame is fixedly arranged on the top of the shell, a fixed tube is fixedly arranged in the middle part of the U-shaped frame, the lower end of the fixed tube is rotatably connected to the rotating tube, a first transmission mechanism that drives the rotating tube to rotate is arranged on the inner side of the U-shaped frame, stirring tubes are arranged on both sides of the lower end of the rotating tube, a plurality of nozzles are fixedly arranged on the side close to the two stirring tubes, the lower end of the rotating tube and both ends of the stirring tube are closed, both sides of the lower end of the rotating tube are connected to the corresponding stirring tube through a hose, connecting rods are arranged on both sides of the upper end of the stirring tube, rotating rods are fixedly arranged on the inner sides of both ends of the connecting rods, one end of the rotating rod is rotatably connected to the outer wall of the corresponding rotating tube and the stirring tube, and a second transmission mechanism that drives the two stirring tubes to swing back and forth is arranged on the inner wall of the lower middle end of the shell.

[0008] Preferably, the first transmission mechanism includes a first bevel gear and a second bevel gear, the first bevel gear is fixedly sleeved on the upper end of the rotating tube, a transmission rod is rotatably provided on the inner wall of one side of the U-shaped frame, and the second bevel gear is fixedly sleeved on one end of the transmission rod close to the first bevel gear, the first bevel gear is meshingly connected with the second bevel gear, and a motor is fixedly provided on the outer wall of the U-shaped frame, and the output end of the motor is fixedly connected to one end of the transmission rod.

[0009] Preferably, the second transmission mechanism includes a slide plate and a reciprocating screw, the reciprocating screw is rotatably arranged on the inner wall of the lower middle end of the shell, the slide plate is threadedly sleeved on the rod wall of the reciprocating screw, push rods are arranged on the upper sides of both ends of the slide plate, and both ends of the push rods are rotatably connected to connecting blocks through axle pins, and the multiple connecting blocks are respectively fixedly connected to one end of the corresponding slide plate and the outer wall of the stirring tube.

[0010] Preferably, an opening is provided on one side of the shell, and a baffle is disposed against the outer wall of the opening, and both ends of the baffle are thread-lockedly connected to the shell through bolts.

[0011] Preferably, a sealing gasket is fixedly provided on the inner side of the baffle, and the sealing gasket is in contact with the inner wall of the shell.

[0012] Preferably, the fixed tube and the rotating tube are rotatably connected via a sealed bearing.

[0013] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0014] 1. The utility model adds flocculant into the fixed tube, and the flocculant flows into the rotating tube, and then flows into the stirring tube from the hose, and finally is sprayed out from multiple nozzles. The motor drives the second bevel gear to rotate, and the second bevel gear drives the first bevel gear to rotate, so that the rotating tube rotates, and the rotating tube stirs the wastewater while spraying flocculant into the wastewater, which can improve the mixing efficiency of the flocculant and the wastewater, and further improve the efficiency of wastewater treatment.

[0015] 2. The utility model drives the slide plate to rotate relative to the fixed reciprocating screw through the stirring tube, so that the slide plate moves back and forth, and then the two push rods push and pull the stirring tube back and forth, so that the stirring tube can mix the wastewater and flocculant more fully. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0017] Figure 1 This is a schematic diagram of the structure of a thermal power plant desulfurization wastewater treatment device proposed by the utility model;

[0018] Figure 2 for Figure 1 A schematic diagram of the structure of the local A part;

[0019] Figure 3 for Figure 1 Schematic diagram of the enlarged structure of part B in the middle.

[0020] Description of reference numerals:

[0021] 1. Shell; 2. U-shaped frame; 3. Fixed tube; 4. Rotating tube; 5. First bevel gear; 6. Transmission rod; 7. Second bevel gear; 8. Motor; 9. Stirring tube; 10. Spray nozzle; 11. Hose; 12. Baffle; 13. Sealing pad; 14. Connecting rod; 15. Rotating rod; 16. Reciprocating screw rod; 17. Slide plate; 18. Push rod; 19. Axle pin; 20. Connecting block. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0023] The utility model embodiment discloses a desulfurization wastewater treatment device for a thermal power plant.

[0024] Reference Figure 1-Figure 3 A desulfurization wastewater treatment device for a thermal power plant comprises a shell 1 and a rotating tube 4, the rotating tube 4 is rotatably sleeved in the middle of the upper end of the shell 1, a U-shaped frame 2 is fixedly arranged on the top of the shell 1, a fixed tube 3 is fixedly arranged in the middle of the U-shaped frame 2, the lower end of the fixed tube 3 is rotatably connected to the rotating tube 4, the fixed tube 3 and the rotating tube 4 are rotatably connected through a sealing bearing to improve the sealing between the fixed tube 3 and the rotating tube 4, stirring tubes 9 are arranged on both sides of the lower end of the rotating tube 4, a plurality of nozzles 10 are fixedly arranged on the side close to the two stirring tubes 9, the lower end of the rotating tube 4 and the two ends of the stirring tube 9 are both closed, both sides of the lower end of the rotating tube 4 are connected to the corresponding stirring tube 9 through a hose 11, connecting rods 14 are arranged on both sides of the upper end of the stirring tube 9, rotating rods 15 are fixedly arranged on the inner sides of both ends of the connecting rod 14, and one end of the rotating rod 15 is rotatably connected to the outer wall of the corresponding rotating tube 4 and the stirring tube 9.

[0025] Reference Figure 1-Figure 3A first transmission mechanism for driving the rotating tube 4 to rotate is provided on the inner side of the U-shaped frame 2, and the first transmission mechanism includes a first bevel gear 5 and a second bevel gear 7. The first bevel gear 5 is fixedly sleeved on the upper end of the rotating tube 4. A transmission rod 6 is rotatably provided on the inner wall of one side of the U-shaped frame 2, and the second bevel gear 7 is fixedly sleeved on one end of the transmission rod 6 close to the first bevel gear 5. The first bevel gear 5 is meshed with the second bevel gear 7. A motor 8 is fixedly provided on the outer wall of the U-shaped frame 2, and the output end of the motor 8 is fixedly connected to one end of the transmission rod 6.

[0026] Reference Figure 1-Figure 3 A second transmission mechanism for driving the two stirring tubes 9 to swing back and forth is provided on the inner wall of the middle end of the lower side of the shell 1. The second transmission mechanism includes a slide plate 17 and a reciprocating screw 16. The reciprocating screw 16 is rotatably provided on the inner wall of the middle end of the lower side of the shell 1. The slide plate 17 is threadedly sleeved on the rod wall of the reciprocating screw 16. Push rods 18 are provided on the upper sides of both ends of the slide plate 17. Both ends of the push rod 18 are rotatably connected with connecting blocks 20 through shaft pins 19. Multiple connecting blocks 20 are respectively fixedly connected to one end of the corresponding slide plate 17 and the outer wall of the stirring tube 9. An opening is provided on one side of the shell 1, and a baffle 12 is provided against the outer wall of the opening. Both ends of the baffle 12 are threadedly locked with the shell 1 by bolts, so as to facilitate the removal of waste water in the shell 1. A sealing gasket 13 is fixedly provided on the inner side of the baffle 12. The sealing gasket 13 conflicts with the inner wall of the shell 1 to improve the sealing between the baffle 12 and the shell 1.

[0027] In the utility model, when in use, flocculant is added into the fixed tube 3, the flocculant flows into the rotating tube 4, then flows into the stirring tube 9 from the hose 11, and finally is sprayed out from multiple nozzles, the motor 8 drives the second bevel gear 7 to rotate, and the second bevel gear 7 drives the first bevel gear 5 to rotate, that is, the rotating tube 4 rotates, the rotating tube 4 stirs the wastewater while spraying the flocculant into the wastewater, that is, the efficiency of mixing the flocculant and the wastewater can be improved, and then the efficiency of wastewater treatment can be improved, the stirring tube 9 drives the slide plate 17 to rotate relative to the reciprocating screw 16 fixedly arranged, that is, the slide plate 17 moves back and forth, and then the two push rods 18 push and pull the stirring tube 9 back and forth, so that the stirring tube 9 can mix the wastewater and the flocculant more fully.

[0028] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A thermal power plant desulfurization wastewater treatment device, comprising a housing (1) and a rotating tube (4), characterized in that: The rotating tube (4) is rotatably sleeved on the middle part of the upper end of the shell (1); a U-shaped frame (2) is fixedly arranged on the top of the shell (1); a fixed tube (3) is fixedly arranged in the middle part of the U-shaped frame (2); the lower end of the fixed tube (3) is rotatably connected to the rotating tube (4); a first transmission mechanism for driving the rotating tube (4) to rotate is arranged on the inner side of the U-shaped frame (2); stirring tubes (9) are arranged on both sides of the lower end of the rotating tube (4); a plurality of nozzles (10) are fixedly arranged on the side close to the two stirring tubes (9); the rotating tube (4) ) and both ends of the stirring tube (9) are closed, both sides of the lower end of the rotating tube (4) are connected to the corresponding stirring tube (9) through a hose (11), both sides of the upper end of the stirring tube (9) are provided with connecting rods (14), and the inner sides of both ends of the connecting rod (14) are fixed with rotating rods (15), one end of the rotating rod (15) is rotatably connected to the outer wall of the corresponding rotating tube (4) and the stirring tube (9), and the inner wall of the lower middle end of the shell (1) is provided with a second transmission mechanism for driving the two stirring tubes (9) to swing back and forth.

2. The thermal power plant desulfurization wastewater treatment device according to claim 1, characterized in that: The first transmission mechanism comprises a first bevel gear (5) and a second bevel gear (7); the first bevel gear (5) is fixedly sleeved on the upper end of the rotating tube (4); a transmission rod (6) is rotatably arranged on the inner wall of one side of the U-shaped frame (2); the second bevel gear (7) is fixedly sleeved on one end of the transmission rod (6) close to the first bevel gear (5); the first bevel gear (5) is meshingly connected with the second bevel gear (7); a motor (8) is fixedly arranged on the outer wall of the U-shaped frame (2); and the output end of the motor (8) is fixedly connected to one end of the transmission rod (6).

3. The thermal power plant desulfurization wastewater treatment device according to claim 1, characterized in that: The second transmission mechanism comprises a slide plate (17) and a reciprocating screw (16); the reciprocating screw (16) is rotatably arranged on the inner wall of the lower middle end of the housing (1); the slide plate (17) is threadedly sleeved on the rod wall of the reciprocating screw (16); push rods (18) are arranged on the upper sides of both ends of the slide plate (17); both ends of the push rod (18) are rotatably connected to connecting blocks (20) through shaft pins (19); and a plurality of connecting blocks (20) are respectively fixedly connected to one end of the corresponding slide plate (17) and the outer wall of the stirring tube (9).

4. The thermal power plant desulfurization wastewater treatment device according to claim 1, characterized in that: An opening is provided on one side of the shell (1), and a baffle (12) is disposed against the outer wall of the opening. Both ends of the baffle (12) are thread-lockedly connected to the shell (1) via bolts.

5. The thermal power plant desulfurization wastewater treatment device according to claim 4, characterized in that: A sealing gasket (13) is fixedly arranged on the inner side of the baffle (12), and the sealing gasket (13) is in contact with the inner wall of the shell (1).

6. The thermal power plant desulfurization wastewater treatment device according to claim 1, characterized in that: The fixed tube (3) and the rotating tube (4) are rotatably connected via a sealed bearing.

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