Mud cleaning device for smelting wastewater treatment

Abstract

The invention relates to the field of sludge treatment, in particular to a sludge cleaning device for smelting wastewater treatment. An existing device is too large in load and low in stirring efficiency, the amount of added flocculation reagent is inconvenient to adjust, excessive addition and waste are easily caused, and the sludge sedimentation progress is inconvenient to observe before sludge cleaning. A sludge cleaning device for smelting wastewater treatment comprises a reaction tank and the like. The reaction tank is fixedly connected with two fixing plates, the fixing plates are rotatably connected with screw rods, the reaction tank is provided with two driving motors, output shafts of the driving motors are connected with the screw rods, the two screw rods are provided with stirring mechanisms, and the reaction tank is provided with a guide mechanism. The stirring rods reciprocate along the motion trail of the parallelogram, so that the stirring area can be enlarged, the stirring effect can be improved, the energy consumption can be reduced, the number of the stirring rods can be reduced, and the load generated by the device due to the movement of the stirring rods in slurry can be effectively reduced.

Description

Technical Field

[0001] This invention relates to the field of sludge treatment, and more particularly to a sludge removal device for treating smelting wastewater. Background Technology

[0002] The smelting of iron and its alloys inevitably generates wastewater, which mainly originates from ironmaking, steelmaking, and rolling workshops. This wastewater can be broadly categorized into indirect cooling wastewater and washing wastewater. During the treatment of this wastewater, a large amount of complex and difficult-to-treat sludge is generated. The effectiveness of its dewatering and cleaning directly affects the efficiency and stability of the entire water treatment system.

[0003] However, the existing equipment has an excessive load, low stirring efficiency, and is not convenient for adjusting the amount of flocculant added, which can easily lead to excessive addition and waste. It is also not convenient to observe the sludge settling progress before sludge cleaning. Summary of the Invention

[0004] To overcome the shortcomings of the prior art, the present invention provides a sludge cleaning device for treating smelting wastewater with low load, easy adjustment of the amount of flocculant added, and easy observation of the sludge settling progress.

[0005] The technical solution is as follows: A sludge removal device for treating smelting wastewater includes a reaction tank, two fixed plates fixedly connected to the reaction tank, screws rotatably connected to the fixed plates, two drive motors installed on the reaction tank, the output shafts of the drive motors connected to the screws, stirring mechanisms installed on the two screws, and a guiding mechanism installed on the reaction tank. The stirring mechanisms are moved by the screws and cooperate with the guiding mechanism to enhance the stirring effect.

[0006] As a further preferred embodiment, the stirring mechanism includes two movable blocks, which are threadedly connected to the screw. The lower part of each movable block contacts the fixed plate. A crossbar is fixedly connected between the two movable blocks. A sliding frame is slidably connected to the crossbar. The sliding frame contains several ball bearings. Two stirring rods are rotatably connected to the lower part of the sliding frame. A transmission assembly is connected between the two stirring rods. Two slide rails are fixedly connected to the reaction tank. A follower rack is slidably connected between the two slide rails. A follower rod is fixedly connected to the lower part of the follower rack. A fixed block is fixedly connected to the sliding frame. The upper part of the fixed block is fitted onto the follower rod. A drive gear is fixedly connected to the upper end of one of the stirring rods.

[0007] As a further preferred embodiment, the guiding mechanism includes a circulating guide plate, which is fixedly connected to the reaction tank. The circulating guide plate has a guide groove, which is parallelogram-shaped. A liquid storage tank is fixedly connected to the circulating guide plate, and an outlet conduit is provided at the lower part of the liquid storage tank. A round rod is fixedly connected to the sliding frame, and the round rod is located in the guide groove on the circulating guide plate. Two guide paddles are rotatably connected to the circulating guide plate, and a torsion spring is connected between the guide paddles and the circulating guide plate. A stop bar is fixedly connected to the circulating guide plate, and the stop bar contacts the guide paddles.

[0008] As a further preferred embodiment, the system also includes a liquid discharge regulating mechanism, which includes a support rod fixedly connected to the lower part of the crossbar. A swinging rod is rotatably connected to the lower part of the support rod. A pressure sensor is fixedly connected to both sides of the support rod, and the two pressure sensors are respectively in contact with the two sides of the swinging rod. A transfer tank is fixedly connected to the crossbar, and a connecting pipe is connected between the transfer tank and the liquid discharge conduit. A valve is provided at the lower part of the transfer tank, and a bend is connected to the lower end of the valve.

[0009] As a further preferred embodiment, an indicating mechanism is also included. The indicating mechanism includes a support plate, which is fixedly connected to the side of the reaction tank away from the drive motor. A first bevel gear and a second bevel gear are rotatably connected to the support plate, and the second bevel gear meshes with the first bevel gear. A transmission gear is fixedly connected to both the screw and the first bevel gear, and the two transmission gears mesh. Several sleeves are fixedly connected inside the reaction tank. The sleeves have different lengths, and the bottom heights of the sleeves are stepped. A bent rod is fixedly connected to each sleeve, and a spiral plate is rotatably connected to the bent rod. The spiral plate and the sleeve cooperate with each other. A conical plate is fixedly connected to the upper end of the sleeve. A transmission assembly is connected between the rotating shafts of the spiral plates and the second bevel gear.

[0010] The present invention has the following advantages: 1. The stirring rod moves back and forth in a parallelogram motion trajectory, which can expand the stirring area, improve the stirring effect, reduce energy consumption, and at the same time reduce the number of stirring rods, which can also effectively reduce the load on the device caused by the movement of the stirring rods in the mud.

[0011] 2. Adjust the amount of flocculant added according to the degree of reaction between the flocculant and the sludge to prevent excessive addition of flocculant, which could lead to waste or pollution.

[0012] 3. When the stirring stops and the sludge settles, start the servo motor, which drives several spiral plates to rotate through the transmission component two. When the spiral plates rotate in the sludge slurry, if sludge has settled at the position of the lower surface of the sleeve, the spiral plates will carry the sludge upwards. The sludge carried out will slide back down along the conical plate. In this way, the progress of sludge settling can be judged by observing the sludge discharge from the upper part of each sleeve, which is convenient for operators to carry out subsequent sludge cleaning. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0014] Figure 2 This is a three-dimensional structural diagram of the stirring mechanism of the present invention.

[0015] Figure 3 This is a three-dimensional structural diagram of the sliding frame of the present invention.

[0016] Figure 4 This is a three-dimensional structural diagram of the guiding mechanism of the present invention.

[0017] Figure 5 This is a three-dimensional structural diagram of the circulating guide plate and the round rod of the present invention.

[0018] Figure 6 This is a partial three-dimensional structural diagram of the circulating guide plate of the present invention.

[0019] Figure 7 For the present invention Figure 6 A magnified three-dimensional structural diagram at point A in the middle.

[0020] Figure 8 This is a three-dimensional structural diagram of the liquid dispensing adjustment mechanism of the present invention.

[0021] Figure 9 For the present invention Figure 8 A magnified three-dimensional structural diagram at point B.

[0022] Figure 10 This is a three-dimensional structural diagram of the indicating mechanism of the present invention.

[0023] Figure 11 This is a schematic diagram of the separate three-dimensional structure of the indicating mechanism of the present invention.

[0024] The labels in the diagram are as follows: 1-Reaction tank, 21-Fixed plate, 22-Screw, 23-Drive motor, 31-Moving block, 32-Horizontal bar, 33-Sliding frame, 34-Stirring rod, 35-Transmission component one, 36-Slide rail, 37-Follower rack, 38-Follower rod, 39-Fixed block, 310-Drive gear, 41-Circulation guide plate, 42-Storage tank, 43-Discharge conduit, 44-Round rod, 45-Guide paddle, 46-Torsion spring, 47-Stop bar, 51-Support rod, 52-Swinging rod, 53-Pressure sensor, 54-Transfer tank, 55-Connecting pipe, 56-Valve, 57-Bend, 61-Servo motor, 62-Sleeve, 63-Bend rod, 64-Spiral plate, 65-Conical plate, 66-Transmission component two. Detailed Implementation

[0025] The technical solution will be further described below with reference to specific embodiments. It should be noted that the terms "up," "down," "left," and "right" used in this document refer only to the position of the structure shown in the corresponding drawings. The serial numbers assigned to components in this document, such as "first," "second," etc., are only used to distinguish the described objects and have no sequential or technical meaning. Unless otherwise specified, terms such as "connection" and "linkage" in this application include both direct and indirect connections (linkages).

[0026] Example 1 A sludge removal device for treating smelting wastewater, such as Figure 1-11 As shown, the reaction tank includes a reaction tank 1, on which two fixed plates 21 are fixedly connected. A screw 22 is rotatably connected to the fixed plates 21. Two drive motors 23 are installed on the reaction tank 1, and the output shafts of the drive motors 23 are connected to the screws 22. A stirring mechanism is installed on the two screws 22. A guiding mechanism is installed on the reaction tank 1. The screws 22 drive the stirring mechanism to move, and the guiding mechanism works in conjunction with the screws to enhance the stirring effect.

[0027] The stirring mechanism includes two movable blocks 31, which are threadedly connected to the screw 22. The lower part of the movable block 31 contacts the fixed plate 21. A crossbar 32 is fixedly connected between the two movable blocks 31. A sliding frame 33 is slidably connected to the crossbar 32. The sliding frame 33 contains several ball bearings. Two stirring rods 34 are rotatably connected to the lower part of the sliding frame 33. A transmission assembly 35 is connected between the two stirring rods 34. Two slide rails 36 are fixedly connected to the reaction tank 1. A follower rack 37 is slidably connected between the two slide rails 36. A follower rod 38 is fixedly connected to the lower part of the follower rack 37. A fixed block 39 is fixedly connected to the sliding frame 33. The upper part of the fixed block 39 is sleeved on the follower rod 38. A drive gear 310 is fixedly connected to the upper end of one of the stirring rods 34.

[0028] The guiding mechanism includes a circulating guide plate 41, which is fixedly connected to the reaction tank 1. The circulating guide plate 41 has a guide groove, which is parallelogram-shaped. A liquid storage tank 42 is fixedly connected to the circulating guide plate 41. A liquid outlet conduit 43 is provided at the lower part of the liquid storage tank 42. A round rod 44 is fixedly connected to the sliding frame 33. The round rod 44 is located in the guide groove on the circulating guide plate 41. Two guide paddles 45 are rotatably connected to the circulating guide plate 41. A torsion spring 46 is connected between the guide paddles 45 and the circulating guide plate 41. A stop rod 47 is fixedly connected to the circulating guide plate 41 and contacts the guide paddles 45.

[0029] In actual smelting wastewater treatment, the generated sludge first needs to undergo sedimentation treatment, and then be separated and cleaned. Flocculants are usually added to cause the sludge to flocculate and settle. The storage tank 42 contains suitable flocculants. Initially, the sludge, due to its high water content, is in the form of a slurry. The drive motor 23 is started, and the screw 22 rotates, driving the stirring rod 34 to move back and forth at a slow speed. As the stirring rod 34 moves, it rotates through the drive gear 310 meshing with the follower rack 37, stirring the sludge slurry in the reaction tank 1. Simultaneously, the flocculant in the storage tank 42 flows into the reaction tank 1 through the outlet pipe 43. Inside, when the sliding frame 33 and the round rod 44 move, under the guidance of the guide plate 45 and the circulating guide plate 41, their movement trajectory is a parallelogram, and this is repeated. Under the obstruction of the stop bar 47, the guide plate 45 can only deflect in one direction, so that the round rod 44 can only pass through in one direction when it moves in the guide groove. The stirring rod 34 moves back and forth in a parallelogram trajectory, which can expand the stirring area, improve the stirring effect, reduce energy consumption, and at the same time reduce the number of stirring rods 34, which can also effectively reduce the load on the device caused by the movement of the stirring rods 34 in the mud. After dewatering is completed, the sludge is separated and cleaned.

[0030] Example 2 Based on Example 1, such as Figure 8-9 As shown, it also includes a liquid discharge adjustment mechanism, which includes a support rod 51, which is fixedly connected to the lower part of the crossbar 32. A swinging rod 52 is rotatably connected to the lower part of the support rod 51. A pressure sensor 53 is fixedly connected to both sides of the support rod 51. The two pressure sensors 53 are respectively in contact with the two sides of the swinging rod 52. A transfer tank 54 is fixedly connected to the crossbar 32. A connecting pipe 55 connects the transfer tank 54 and the liquid discharge conduit 43. A valve 56 is provided at the lower part of the transfer tank 54. A bend 57 is connected to the lower end of the valve 56.

[0031] Initially, when the pressure values ​​of the two pressure sensors 53 are 0, the valve 56 is closed. When the swing rod 52 moves horizontally in the sludge slurry, it encounters resistance, which in turn squeezes one of the pressure sensors 53, causing its pressure value to be non-zero. At this time, the valve 56 is fully opened, and the flocculant flowing from the storage tank 42 flows into the reaction tank 1 through the transfer tank 54 and the bend 57. As the flocculant is gradually added, the water content of the sludge slurry decreases, and the dewatered sludge gradually settles to the bottom. Therefore, the swing rod 52 inserted into the sludge moves with the horizontal bar 32. As the device moves horizontally back and forth, the resistance at its lower end gradually increases, and the pressure on one of the pressure sensors 53 located on the upper part of the swing rod 52 also gradually increases. At this time, the opening of the valve 56 gradually decreases. When the pressure value on the pressure sensor 53 increases to a certain value, the pressure sensor 53 will control the valve 56 to close, and the drive motor 23 will drive the sliding frame 33 and the stirring rod 34 to reset. In this way, the amount of flocculant added can be adjusted according to the degree of reaction between the flocculant and the sludge, so that the flocculant is not added in excess, causing waste or pollution.

[0032] Example 3 Based on Example 2, such as Figure 10-11 As shown, it also includes an indicating mechanism, which includes a servo motor 61. The servo motor 61 is fixedly connected to the side of the reaction tank 1 away from the drive motor 23. Several sleeves 62 are fixedly connected inside the reaction tank 1. The lengths of the sleeves 62 are different, and the bottom heights of the sleeves 62 are stepped. A bent rod 63 is fixedly connected to the sleeve 62. A spiral plate 64 is rotatably connected to the bent rod 63. The spiral plate 64 and the sleeve 62 cooperate with each other. A conical plate 65 is fixedly connected to the upper end of the sleeve 62. A transmission assembly 66 is connected between the rotating shafts of the spiral plates 64 and the servo motor 61.

[0033] When the stirring stops and the sludge settles, the servo motor 61 is started, which drives several spiral plates 64 to rotate through the transmission component 66. When the spiral plates 64 rotate in the sludge slurry, if sludge has settled at the position of the lower surface of the sleeve 62, the spiral plates 64 will carry the sludge upwards. The sludge carried out will slide back down along the conical plate 65. In this way, the progress of sludge settling can be judged by observing the sludge discharge at the top of each sleeve 62, which is convenient for operators to carry out subsequent sludge cleaning.

[0034] Although this disclosure has been described with respect to only a limited number of embodiments, those skilled in the art who benefit from this disclosure will understand that various other embodiments can be devised without departing from the scope of the invention. Therefore, the scope of the invention should be limited only by the appended claims.

Claims

1. A sludge removal device for treating smelting wastewater, characterized in that, The utility model provides a reaction tank, the reaction tank is provided with two fixed plates, the fixed plate is rotatably connected with screw rod, the reaction tank is provided with two drive motors, the output shaft of drive motor is connected with screw rod, two screw rods are provided with stirring mechanism, the reaction tank is provided with guiding mechanism, the stirring mechanism is driven to move through screw rod, and the guiding mechanism is cooperated, and the stirring effect is strengthened.

2. The device for removing sludge from smelting wastewater according to claim 1, characterized in that The stirring mechanism includes two moving blocks (31), the moving block (31) is connected with the screw rod (22) through the thread, the lower part of the moving block (31) is in contact with the fixed plate (21), the horizontal rod (32) is fixedly connected between the two moving blocks (31), the sliding frame (33) is slidably connected on the horizontal rod (32), a plurality of ball bearings are arranged in the sliding frame (33), the two stirring rods (34) are rotatably connected on the lower part of the sliding frame (33), the transmission assembly one (35) is connected between the two stirring rods (34), the reaction tank (1) is fixedly connected with two slide rails (36), the follow-up rack (37) is slidably connected between the two slide rails (36), the follow-up rod (38) is fixedly connected to the lower part of the follow-up rack (37), the fixed block (39) is fixedly connected on the sliding frame (33), the fixed block (39) is sleeved on the follow-up rod (38), and the driving gear (310) is fixedly connected to the upper end of one of the stirring rods (34).

3. The device for removing sludge from smelting wastewater according to claim 2, characterized in that The guiding mechanism includes a circulating guide plate (41), the circulating guide plate (41) is fixedly connected to the reaction tank (1), the circulating guide plate (41) is fixedly connected with a liquid storage tank (42), the liquid storage tank (42) is provided with a liquid outlet pipe (43) at the lower part, the circular rod (44) is fixedly connected to the sliding frame (33), the circulating guide plate (41) is rotatably connected with two guide flaps (45), the torsion spring (46) is connected between the guide flap (45) and the circulating guide plate (41), the blocking rod (47) is fixedly connected to the circulating guide plate (41), and the blocking rod (47) is in contact with the guide flap (45).

4. The device for removing sludge from smelting wastewater according to claim 3, characterized in that The circulating guide plate (41) is provided with a guide groove, the guide groove on the circulating guide plate (41) is a parallelogram, and the circular rod (44) is located in the guide groove on the circulating guide plate (41).

5. The device for removing sludge from smelting wastewater according to claim 3, characterized in that Still include have the liquid outlet adjustment mechanism, the liquid outlet adjustment mechanism include have the support rod (51), the support rod (51) fixed connection in the horizontal pole (32) lower part, the support rod (51) lower part rotatablely connected have swing plug rod (52), the support rod (51) both sides are all fixedly connected with a pressure sensor (53), two the pressure sensor (53) are respectively with swing plug rod (52) both sides contact, the horizontal pole (32) on fixedly connected have the transfer tank (54), the transfer tank (54) with the liquid outlet conduit (43) between connection have the connecting pipe (55), the transfer tank (54) lower part is equipped with valve (56), the valve (56) lower end connection have the elbow pipe (57).

6. The device for removing sludge from smelting wastewater according to claim 5, characterized in that The pressure sensor (53) is electrically connected with the valve (56).

7. The device for removing sludge from smelting wastewater according to claim 1, characterized in that Still include have the indication mechanism, the indication mechanism include have the servo motor (61), the servo motor (61) fixed connection in the reaction pool (1) away from the drive motor (23) one side, the reaction pool (1) in the upper fixedly connected have a plurality of bushings (62), the bushing (62) on fixedly connected have the bent pole (63), the bent pole (63) on rotatablely connected have the spiral plate (64), the spiral plate (64) and bushing (62) between cooperation, the bushing (62) upper end fixedly connected have the conical surface plate (65), a plurality of the spiral plate (64) pivot and the servo motor (61) between connection have transmission assembly two (66).

8. The device for removing sludge from smelting wastewater according to claim 7, characterized in that One the bushing (62) length is different, and a plurality of the bushing (62) bottom height is ladder type arrangement.

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