Chemical adding device for wastewater treatment of thermal power plant

Abstract

The utility model provides a thermal power plant waste water treatment dosing device, which relates to the technical field of waste water treatment equipment, and comprises a medicine box, the inner wall of the medicine box is fixedly connected with a pore plate, the inner wall of the medicine box is connected with a baffle plate in a sliding manner, one side of the medicine box is provided with an electric push rod, a stirring device is arranged in the medicine box, and the stirring device is connected with the baffle plate. The stirring device comprises a shaft rod, a motor is arranged at the top end of the medicine box, the output end of the motor is fixedly connected with the top end of the shaft rod, a plurality of paddles are fixedly connected to the bottom end of the shaft rod, a plurality of groove rods are fixedly connected to the outer surface of the circular ring, and sliding rods are slidably connected to the inner walls of the groove rods; the stirring device is arranged, the motor is operated to drive the shaft rod to rotate, so that the paddle and the groove rod rotate in the medicine box to stir medicine in the medicine box, the situation that the medicine is deposited at the bottom end of the medicine box, the content of the medicine in the medicine box is affected is avoided as much as possible, and the practicability of the medicine adding device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste water treatment equipment technical field especially relates to power plant waste water treatment dosing device. BACKGROUND

[0002] The power plant produces various types of waste water in the power generation process, mainly including ash water, desulfurization waste water, industrial waste water and domestic sewage etc. These waste water contains suspended solids, heavy metal ions, acid and alkali substances, salt and various refractory organic matters, so the power plant waste water needs to be treated by using equipment before being discharged.

[0003] The waste water treatment equipment needs to use the dosing device to put reagent into the treatment equipment for waste water treatment when using, the dosing device will put enough reagent into the reagent box when being configured, and the reagent is added into the waste water treatment equipment by the electric switch control valve opening and closing, but the solid reagent in the reagent box will sink for long time, which leads to the low content of the reagent in the upper part of the reagent box, and the treatment effect after entering the waste water treatment equipment will be reduced. UTILITY MODEL CONTENT

[0004] The utility model discloses a power plant waste water treatment dosing device which solves the problem that the solid reagent in the reagent box will sink for long time, which leads to the low content of the reagent in the upper part of the reagent box, and the treatment effect after entering the waste water treatment equipment will be reduced.

[0005] In order to realize the above-mentioned purpose, the utility model discloses a power plant waste water treatment dosing device which solves the problem that the solid reagent in the reagent box will sink for long time, which leads to the low content of the reagent in the upper part of the reagent box, and the treatment effect after entering the waste water treatment equipment will be reduced.

[0006] The effect achieved by the above-mentioned components is that: by setting the shaft, the wastewater treatment medicine is placed in the medicine box for a period of time, and then the motor can be operated to drive the shaft to rotate, the bottom paddle is driven to rotate by the shaft to stir the medicine in the medicine box to make the bottom precipitated medicine float up, and when the shaft rotates, the groove rod is driven to rotate, the sliding rod in the groove rod slides outward and stretches the spring due to the centrifugal force, the medicine at the middle position of the shaft is further stirred, and the stirring effect is improved, and when the motor stops controlling the rotation of the shaft, the spring in the groove rod restores to the original state and pulls the sliding rod into the groove rod.

[0007] Preferably, the end of the sliding rod away from the groove rod is rotatably connected with a rotating disc, and the outer surface of the rotating disc is provided with a plurality of holes.

[0008] The effect achieved by the above-mentioned components is that: when the sliding rod slides on the inner wall of the groove rod, the liquid medicine entering the holes in the outer surface of the rotating disc can drive the rotating disc to rotate, the liquid medicine is further shaken by the rotating disc, and the stirring effect is improved.

[0009] Preferably, the inner wall of the groove rod is fixedly connected with a circular rod, and the inner wall of the sliding rod slides on the outer surface of the circular rod.

[0010] The effect achieved by the above-mentioned components is that: when the sliding rod moves, it slides on the outer surface of the circular rod, and the angle between the sliding rod and the groove rod can be further limited by the circular rod, so as to avoid shaking of the sliding rod as much as possible.

[0011] Preferably, the inner wall of the groove rod is fixedly connected with a circular rod, and the inner wall of the sliding rod slides on the outer surface of the circular rod.

[0012] The effect achieved by the above-mentioned components is that: when the sliding rod moves, it slides on the outer surface of the circular rod, and the angle between the sliding rod and the groove rod can be further limited by the circular rod, so as to avoid shaking of the sliding rod as much as possible.

[0013] Preferably, the top end of the circular ring is fixedly connected with a protrusion, and the end of the protrusion away from the circular ring is in contact with one side of the outer surface of the shaft.

[0014] The effect achieved by the above-mentioned components is that: by abutting the end of the protrusion away from the circular ring against the outer surface of the shaft, the angle between the circular ring and the shaft can be further limited, and the connection stability of the circular ring and the shaft is improved.

[0015] Preferably, the outer surface of the medicine box is provided with a sealing device, the sealing device comprises a screw rod, the top end of the screw rod is fixedly connected with one side of the bottom end of the medicine box, the outer surface of the screw rod is threadedly connected with a threaded cylinder, the bottom end of the threaded cylinder is rotatably connected with a rectangular frame, and the inner wall of the rectangular frame slides on the bottom end of the outer surface of the medicine box.

[0016] The effect achieved by the above components is that after the bottom end of the medicine box is connected with the top end of the wastewater treatment equipment, the threaded cylinder can be rotated to move downward on the outer surface of the screw rod, the position of the rectangular frame is adjusted to further seal the outside of the connection between the bottom end of the medicine box and the wastewater treatment equipment, the odor of the wastewater is avoided as much as possible, and the environmental protection of the dosing device is improved.

[0017] Preferably, the top end and the bottom end of the rectangular frame are fixedly connected with rectangular sheets respectively, and the rectangular sheets are rubber sheets made of rubber.

[0018] The effect achieved by the above components is that the contact between the bottom end of the rectangular frame and the wastewater treatment equipment and the contact between the top end of the rectangular frame and the outer surface of the medicine box can be further sealed by the rectangular sheets made of rubber, and the sealing effect is improved.

[0019] Preferably, the outer surface of the threaded cylinder is fixedly connected with a plurality of convex strips, and the convex strips are circumferentially distributed on the outer surface of the threaded cylinder.

[0020] The effect achieved by the above components is that it is more convenient to push the threaded cylinder to rotate by pressing the convex strips on the outer surface of the threaded cylinder with the hand, and the hand is not easy to slip.

[0021] Compared with the prior art, the advantages and positive effects of the utility model are that:

[0022] In the utility model, the stirring device is arranged, the shaft rod is driven to rotate by the motor, the paddle and the groove rod rotate in the interior of the medicine box, the medicine in the interior of the medicine box is stirred, the medicine is avoided to deposit as much as possible at the bottom end of the medicine box, the content of the medicine agent in the upper medicine of the medicine box is affected, and the practicality of the dosing device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0024] Figure 2 It is a partial section three-dimensional structure schematic diagram of the medicine box of the utility model;

[0025] Figure 3 It is a three-dimensional structure schematic diagram of the utility model Figure 2 It is a partial enlarged three-dimensional structure schematic diagram of A of the utility model;

[0026] Figure 4 It is a partial section three-dimensional structure schematic diagram of the groove rod of the utility model;

[0027] Figure 5 It is a three-dimensional structure schematic diagram of the rectangular frame of the utility model.

[0028] Legend: 1. Medicine box; 2. Stirring device; 3. Sealing device; 4. Electric push rod; 5. Baffle; 6. Orifice plate; 21. Motor; 22. Shaft; 23. Paddle; 24. Ring; 25. Grooved rod; 26. Sliding rod; 27. Spring; 28. Turntable; 29. ​​Round rod; 210. Positioning rod; 211. Protrusion; 31. Screw; 32. Threaded cylinder; 33. Rectangular frame; 34. Protrusion; 35. Rectangular piece. Detailed Implementation

[0029] Example 1, as Figures 1-4 As shown, a chemical dosing device for wastewater treatment in a thermal power plant includes a chemical box 1. An orifice plate 6 is fixedly connected to the inner wall of the chemical box 1. A baffle 5 is slidably connected to the inner wall of the chemical box 1, located below the orifice plate 6. An electric push rod 4 is installed on one side of the chemical box 1, and the output rod of the electric push rod 4 is fixedly connected to one side of the baffle 5. A stirring device 2 is installed inside the chemical box 1, including a shaft 22. A motor 21 is installed at the top of the chemical box 1, and the output end of the motor 21 is fixedly connected to the top of the shaft 22. The bottom end of the shaft 22 is rotatably connected to the top of the orifice plate 6. Several blades 23 are fixedly connected to the bottom end of the shaft 22. A ring 24 is fixedly connected to the outer surface of the shaft 22, and several grooved rods 25 are fixedly connected to the outer surface of the ring 24. A sliding rod 26 is slidably connected to the inner wall of the grooved rod 25. A spring 27 is installed inside the grooved rod 25, and both ends of the spring 27 are fixedly connected to one end of the sliding rod 26 and one side of the inner wall of the grooved rod 25, respectively. The device utilizes the shaft 22... 2. After the wastewater treatment chemicals are placed inside the medicine box 1 for a period of time, the motor 21 can be operated to drive the shaft 22 to rotate. The shaft 22 drives the paddle 23 at the bottom to rotate, stirring the chemicals inside the medicine box 1 and causing the chemicals that have settled at the bottom to float up. At the same time, when the shaft 22 rotates, it will drive the groove rod 25 to rotate, causing the sliding rod 26 inside the groove rod 25 to slide outward due to centrifugal force and stretch the spring 27, further stirring the chemicals at the middle position of the shaft 22 and improving the stirring effect. When the motor 21 stops controlling the rotation of the shaft 22, the spring 27 inside the groove rod 25 will return to its original state and pull the sliding rod 26 back into the groove rod 25. By setting up the stirring device 2, the operation of the motor 21 drives the shaft 22 to rotate, causing the paddle 23 and the groove rod 25 to rotate inside the medicine box 1, stirring the chemicals inside the medicine box 1, and minimizing the sedimentation of chemicals at the bottom of the medicine box 1, which would affect the content of the chemicals in the upper part of the medicine box 1, thus improving the practicality of the dosing device.

[0030] Reference Figures 2-4As shown, in the embodiment: the sliding rod 26 is rotatably connected to the one end of the groove rod 25 away from the groove rod 25, the outer surface of the rotating disc 28 is provided with a plurality of holes, and the liquid medicine enters the holes on the outer surface of the rotating disc 28 when the sliding rod 26 slides on the inner wall of the groove rod 25, so as to drive the rotating disc 28 to rotate, further shake the liquid medicine, improve the stirring effect, and the inner wall of the groove rod 25 is fixedly connected with the circular rod 29, and the inner wall of the sliding rod 26 slides on the outer surface of the circular rod 29. The sliding rod 26 slides on the outer surface of the circular rod 29 when moving, and the angle between the sliding rod 26 and the groove rod 25 is further limited by the circular rod 29, so as to avoid shaking of the sliding rod 26 as much as possible.

[0031] Referring to Figures 2-4 As shown, in the embodiment: the inner wall of the medicine box 1 is fixedly connected with the positioning rod 210, and the outer surface of the shaft rod 22 is rotatable in the inner wall of the positioning rod 210. When the shaft rod 22 is driven to rotate by the motor 21, the outer surface of the shaft rod 22 is rotatable in the inner wall of one end of the positioning rod 210, so as to further limit the angle between the shaft rod 22 and the medicine box 1, increase the stability of the shaft rod 22 when rotating, and the top of the circular ring 24 is fixedly connected with the protrusion 211. The one end of the protrusion 211 away from the circular ring 24 is in contact with one side of the outer surface of the shaft rod 22. By abutting the one end of the protrusion 211 away from the circular ring 24 against the outer surface of the shaft rod 22, the angle between the circular ring 24 and the shaft rod 22 is further limited, and the connection stability of the circular ring 24 and the shaft rod 22 is increased.

[0032] Referring to 1 and Figure 5 As shown, in the embodiment: the outer surface of the medicine box 1 is provided with the sealing device 3, the sealing device 3 comprises a screw rod 31, the top end of the screw rod 31 is fixedly connected with one side of the bottom end of the medicine box 1, the outer surface of the screw rod 31 is threadedly connected with a threaded cylinder 32, the bottom end of the threaded cylinder 32 is rotatably connected with a rectangular frame 33, and the inner wall of the rectangular frame 33 slides on the outer surface of the bottom end of the medicine box 1. After the bottom end of the medicine box 1 is connected with the top end of the wastewater treatment equipment, the threaded cylinder 32 can be rotated to move downward on the outer surface of the screw rod 31, the position of the rectangular frame 33 is adjusted, the rectangular frame 33 is sleeved outside the connection between the bottom end of the medicine box 1 and the wastewater treatment equipment, the wastewater odor is further sealed as much as possible, and the environmental protection of the dosing device is improved.

[0033] Referring to 1 and Figure 5As shown, in the embodiment: the top end and the bottom end of the rectangular frame 33 are fixedly connected with the rectangular sheet 35 respectively, the rectangular sheet 35 is a rubber sheet made of rubber material, by arranging the rectangular sheet 35 made of rubber material, the contact position of the bottom end of the rectangular frame 33 and the wastewater treatment equipment and the contact position of the top end of the rectangular frame 33 and the outer surface of the medicine box 1 can be further sealed, the sealing effect is improved, the outer surface of the threaded cylinder 32 is fixedly connected with a plurality of convex strips 34, the convex strips 34 are circumferentially distributed on the outer surface of the threaded cylinder 32, and it is more convenient to push and rotate the threaded cylinder 32 at the convex strips 34 on the outer surface of the threaded cylinder 32 and it is not easy to slip.

[0034] Working principle: after the dosing device is connected with the wastewater treatment equipment, the threaded cylinder 32 is rotated to move the threaded cylinder 32 downward on the outer surface of the screw rod 31, the position of the rectangular frame 33 is adjusted, the rectangular frame 33 is sleeved outside the connection position of the bottom end of the medicine box 1 and the wastewater treatment equipment for further sealing, then the medicine is added to the inside of the medicine box 1, the baffle 5 is controlled to slide on the inner wall of the medicine box 1 by the electric push rod 4 to open the lower side of the hole plate 6, and the medicine enters the inside of the wastewater treatment equipment, after the medicine is placed in the inside of the medicine box 1 for a period of time, the motor 21 can be operated to drive the shaft rod 22 to rotate, the bottom paddle 23 is driven to rotate by the shaft rod 22, the medicine in the inside of the medicine box 1 is stirred to make the medicine at the bottom float up, at the same time, when the shaft rod 22 rotates, the groove rod 25 on the outer surface of the circular ring 24 rotates, the sliding rod 26 in the groove rod 25 slides outward and lengthens the spring 27 due to the centrifugal force, the medicine at the middle position of the shaft rod 22 is further stirred, and the medicine is as far as possible to avoid depositing at the bottom end of the medicine box 1, when the motor 21 stops controlling the shaft rod 22 to rotate, the spring 27 in the groove rod 25 restores to the original state and pulls the sliding rod 26 into the inside of the groove rod 25.

Claims

1. A dosing device for waste water treatment in a thermal power plant, comprising a cartridge (1), characterized in that: The inner wall of the medicine box (1) is fixedly connected with a hole plate (6), the inner wall of the medicine box (1) is slidably connected with a baffle (5), the baffle (5) is located below the hole plate (6), one side of the medicine box (1) is provided with an electric push rod (4), the output rod of the electric push rod (4) is fixedly connected with one side of the baffle (5), the inside of the medicine box (1) is provided with a stirring device (2), the stirring device (2) comprises a shaft rod (22), the top end of the medicine box (1) is provided with a motor (21), the output end of the motor (21) is fixedly connected with the top end of the shaft rod (22), the bottom end of the shaft rod (22) is rotatably connected with the top end of the hole plate (6), the bottom end of the shaft rod (22) is fixedly connected with a plurality of paddles (23), the outer surface of the shaft rod (22) is fixedly connected with a circular ring (24), the outer surface of the circular ring (24) is fixedly connected with a plurality of groove rods (25), the inner wall of the groove rod (25) is slidably connected with a sliding rod (26), the inside of the groove rod (25) is provided with a spring (27), the two ends of the spring (27) are fixedly connected with one end of the sliding rod (26) and one side of the inner wall of the groove rod (25) respectively.

2. The power plant wastewater treatment dosing device according to claim 1, characterized in that: The end of the sliding rod (26) away from the groove rod (25) is rotatably connected with a rotating disc (28), and a plurality of hole holes are formed in the outer surface of the rotating disc (28).

3. The power plant wastewater treatment dosing device according to claim 2, characterized in that: The inner wall of the groove rod (25) is fixedly connected with a circular rod (29), and the inner wall of the sliding rod (26) slides on the outer surface of the circular rod (29).

4. The power plant wastewater treatment dosing device according to claim 3, characterized in that: The inner wall of the groove rod (25) is fixedly connected with a circular rod (29), and the inner wall of the sliding rod (26) slides on the outer surface of the circular rod (29).

5. The power plant wastewater treatment dosing device according to claim 4, characterized in that: The top end of the circular ring (24) is fixedly connected with a protruding block (211), and the end of the protruding block (211) away from the circular ring (24) is in contact with one side of the outer surface of the shaft rod (22).

6. The power plant wastewater treatment dosing device according to claim 5, characterized in that: The outer surface of the medicine box (1) is provided with a sealing device (3), the sealing device (3) comprises a screw rod (31), the top end of the screw rod (31) is fixedly connected with one side of the bottom end of the medicine box (1), the outer surface of the screw rod (31) is threadedly connected with a threaded cylinder (32), the bottom end of the threaded cylinder (32) is rotatably connected with a rectangular frame (33), and the inner wall of the rectangular frame (33) slides on the bottom end of the outer surface of the medicine box (1).

7. The power plant wastewater treatment dosing device according to claim 6, characterized in that: The top end and the bottom end of the rectangular frame (33) are fixedly connected with a rectangular sheet (35) respectively, and the rectangular sheet (35) is a rubber sheet made of rubber material.

8. The power plant wastewater treatment dosing device according to claim 7, characterized in that: The outer surface of the threaded cylinder (32) is fixedly connected with a plurality of convex strips (34), and the convex strips (34) are circumferentially distributed on the outer surface of the threaded cylinder (32).

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