A dosing device for sludge treatment

Abstract

The utility model discloses a dosing device for sludge treatment, including treatment pond, one side top of treatment pond is equipped with support frame, the top of support frame is equipped with mixing box, the top surface one end of mixing box is equipped with inlet pipe, the top surface of mixing box is equipped with the pair installation raw material box away from the one end of inlet pipe, the inside installation of mixing box has stirring mechanism, one end of support frame is equipped with support plate, be equipped with spraying mechanism on support plate, the upper surface of support plate is equipped with pumping unit, the bottom of raw material box is equipped with drain pipe. The utility model discloses a dosing device for sludge treatment, and electric push rod can drive spraying frame to rotate, realizes the flexible adjustment of the spraying angle of shower nozzle, makes the reagent can evenly be sprayed on the sludge in treatment pond, improves the uniformity of dosing, avoids the waste of reagent and the uneven treatment effect.

Description

Technical Field

[0001] This utility model relates to the field of sludge treatment technology, and in particular to a dosing device for sludge treatment. Background Technology

[0002] With the acceleration of urbanization and rapid industrial development, the amount of sewage sludge generated is increasing daily. As a byproduct of wastewater treatment, sewage sludge contains a large amount of harmful substances, such as heavy metals, pathogens, and organic pollutants. If this sludge is not properly treated, it will not only cause serious pollution to the soil, water bodies, and atmospheric environment, but also threaten human health and ecological balance. Therefore, efficient and environmentally friendly sludge treatment technology has become one of the key issues urgently needing to be addressed in the field of environmental engineering. Chemical dosing is a crucial step in the sludge treatment process. Appropriate chemical addition can improve the dewatering performance of sludge, stabilize its properties, and remove harmful substances, thereby improving the sludge treatment effect and resource utilization rate.

[0003] Chinese patent application CN202321646850.X discloses a dosing device for sludge treatment, relating to the field of sludge treatment equipment technology. This utility model includes a cylindrical body, which serves as a carrier for various structures. A stirring device is located at the upper end of the cylindrical body to stir the added chemicals. The stirring device includes a motor, which serves as the driving source for the stirring device. The output end of the motor passes through the cylindrical body and is fixedly connected to a rotating shaft. The rotating shaft connects to various stirring structures, and its upper end is rotatably connected to the upper inner wall of the cylindrical body. Multiple stirring columns are fixedly arranged on the outer surface of the rotating shaft, with six stirring columns of the same height forming a group. There are four groups of stirring columns. Six stirring rods arranged in a circular array are fixedly arranged at the lower end of the rotating shaft. This utility model provides a dosing device for sludge treatment that can stir and heat chemicals, fully stir chemicals at the bottom, and adjust the discharge rate.

[0004] However, existing dosing devices still have some shortcomings. The position and angle of the chemical spraying are fixed and cannot be flexibly adjusted according to the characteristics of sludge and the treatment needs of different areas in the sludge treatment tank. Summary of the Invention

[0005] To address the aforementioned shortcomings in the existing technology, this utility model provides a dosing device for sludge treatment. Its purpose is to solve the problems that the spraying position and angle of the agent are fixed and cannot be flexibly adjusted according to the sludge characteristics and treatment needs of different areas in the sludge treatment tank.

[0006] To achieve the above-mentioned utility model objectives, the technical solution adopted by this utility model is as follows: a dosing device for sludge treatment, comprising a treatment tank, a support frame installed on the top of one side of the treatment tank, a mixing box installed at the top of the support frame, a water inlet pipe installed at one end of the top surface of the mixing box, a pair of raw material boxes installed at the end of the top surface of the mixing box away from the water inlet pipe, a stirring mechanism installed inside the mixing box, a support plate installed at one end of the support frame, a spraying mechanism installed on the support plate, a pump installed on the upper surface of the support plate, and a drain pipe installed at the bottom of the raw material boxes; The spraying mechanism includes a mounting base fixedly installed on the bottom surface of a support plate. An electric push rod is installed at one end of the mounting base. A sliding groove is provided on the support plate. The extended end of the electric push rod is fixedly connected to a connecting block that is slidably connected to the sliding groove. A spraying frame is rotatably connected to the support plate. A spraying head is connected to one end of the spraying frame. A tension groove that is slidably connected to the connecting block is provided at one end of the spraying frame.

[0007] Furthermore, a material extraction pipe is connected between the material extraction pump and the raw material box, and a second drain pipe is connected to the other end of the material extraction pump. A conveying hose is connected between one end of the second drain pipe and the spray frame.

[0008] Furthermore, a discharge pipe is connected to the top of the raw material tank, a liquid level observation window is installed on one side of the raw material tank, a conveying pipe is connected between the raw material tank and the mixing tank, and a switch valve is installed on the conveying pipe.

[0009] Furthermore, the stirring mechanism includes drive motors symmetrically fixedly installed at the top of the mixing tank, and the output ends of the two drive motors extend into the interior of the mixing tank and are connected to a rotating shaft, on which a mixing plate is installed.

[0010] Furthermore, the support frame is symmetrically provided with multiple rectangular mounting slots, and a fixing screw is installed at one end of the treatment pool. The fixing screw passes through the rectangular mounting slot and is threadedly connected to a fixing nut.

[0011] Furthermore, a cover plate is installed at the top of the water inlet pipe.

[0012] Furthermore, a second switch valve is installed on the drain pipe.

[0013] The beneficial effects of this utility model are as follows: This utility model discloses a dosing device for sludge treatment. An electric push rod can drive the spray frame to rotate, realizing flexible adjustment of the spray angle of the spray head. This allows the agent to be sprayed evenly on the sludge in the treatment tank, improving the uniformity of dosing and avoiding waste of agents and uneven treatment effect.

[0014] This utility model discloses a dosing device for sludge treatment. The stirring mechanism uses two drive motors to drive the rotating shaft and mixing plate to rotate, which can fully stir and mix the agent and water in the mixing tank, ensuring that the agent and water are fully integrated, improving the mixing effect, allowing the agent to play a better role, shortening the sludge treatment time, and improving the treatment efficiency. The device has a relatively simple structure, reasonable layout of various components, and sufficient maintenance space, which facilitates equipment inspection and replacement of parts by maintenance personnel, reduces equipment maintenance costs, and ensures the normal operation of the sludge treatment system. Attached Figure Description

[0015] Figure 1 This is a front view of a dosing device for sludge treatment according to the present invention; Figure 2 This is a left view of a dosing device for sludge treatment according to the present invention; Figure 3 This is an enlarged view of the support frame of a dosing device for sludge treatment according to the present invention; Figure 4 This is a schematic diagram of the support frame structure of a dosing device for sludge treatment according to the present invention; Figure 5 This is a left view of the support frame of a dosing device for sludge treatment according to the present invention; Figure 6 This is a cross-sectional view of the mixing tank of a dosing device for sludge treatment according to this utility model; Figure 7 This is an enlarged view of the stirring mechanism of a dosing device for sludge treatment according to the present invention; Figure 8 This utility model relates to a dosing device for sludge treatment. Figure 2 Enlarged view of point A in the middle.

[0016] Appendix Label Reference Table: 1. Treatment tank; 2. Support frame; 201. Rectangular mounting slot; 202. Fixing screw; 203. Fixing nut; 3. Mixing tank; 4. Water inlet pipe; 401. Cover plate; 5. Raw material tank; 501. Discharge pipe; 502. Liquid level observation window; 503. Conveying pipe; 504. Switch valve one; 6. Stirring mechanism; 601. Drive motor; 602. Rotating shaft; 603. Mixing plate; 7. Support plate; 8. Spraying mechanism; 801. Mounting base; 802. Electric push rod; 803. Slide; 804. Connecting block; 805. Spray frame; 806. Stretching groove; 807. Spray head; 9. Material pump; 901. Material extraction pipe; 902. Drainage pipe two; 903. Conveying hose; 10. Drainage pipe; 1001. Switch valve two. Detailed Implementation

[0017] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. Identical components are indicated by the same reference numerals.

[0018] It should be noted that the terms “front,” “back,” “left,” “right,” “up,” and “down” used in the following description refer to the directions shown in the attached diagram, while the terms “inside” and “outside” refer to the directions toward or away from the geometric center of a specific component, respectively.

[0019] To make the content of this utility model easier to understand, the technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings.

[0020] like Figures 1 to 8 As shown, a sludge treatment dosing device includes a treatment tank 1, a support frame 2 installed on the top of one side of the treatment tank 1, a mixing tank 3 installed on the top of the support frame 2, an inlet pipe 4 installed on one end of the top surface of the mixing tank 3, a pair of raw material tanks 5 installed on the end of the top surface of the mixing tank 3 away from the inlet pipe 4, a stirring mechanism 6 installed inside the mixing tank 3, a support plate 7 installed on one end of the support frame 2, a spraying mechanism 8 installed on the support plate 7, a material pump 9 installed on the upper surface of the support plate 7, and a drain pipe 10 installed at the bottom of the raw material tanks 5. The spraying mechanism 8 includes a mounting base 801 fixedly installed on the bottom surface of the support plate 7. An electric push rod 802 is installed at one end of the mounting base 801. A sliding groove 803 is provided on the support plate 7. The extended end of the electric push rod 802 is fixedly connected to a connecting block 804 that is slidably connected to the sliding groove 803. A spraying frame 805 is rotatably connected to the support plate 7. One end of the spraying frame 805 is connected to a spray head 807. A tension groove 806 that is slidably connected to the connecting block 804 is provided at one end of the spraying frame 805.

[0021] Through the above scheme, the extension and retraction of the electric push rod 802 in this device drives the connecting block 804 to slide in the slide groove 803. At the same time, the connecting block 804 slides in the tension groove 806, thereby causing the spray frame 805 to rotate around the rotation point, realizing flexible adjustment of the spraying angle of the spray head 807 and improving the uniformity of chemical addition.

[0022] A material pump 9 is connected to a material extraction pipe 901 between the material pump 9 and the raw material box 5. The other end of the material pump 9 is connected to a drain pipe 902. One end of the drain pipe 902 is connected to a conveying hose 903 between the spray frame 805 and the drain pipe 902.

[0023] Through the above scheme, the pump 9 can extract the agent from the raw material box 5 and transport it to the spray frame 805 through the drain pipe 902 and the conveying hose 903, and finally spray it out by the spray head 807, thus realizing the delivery and spraying of the agent.

[0024] The top of the raw material tank 5 is connected to a discharge pipe 501, and a liquid level observation window 502 is installed on one side of the raw material tank 5. A conveying pipe 503 is connected between the raw material tank 5 and the mixing tank 3, and a switch valve 504 is installed on the conveying pipe 503.

[0025] With the above scheme, the discharge pipe 501 is used to add the agent to the raw material tank 5; the liquid level observation window 502 makes it convenient for the operator to observe the liquid level of the agent in the raw material tank 5; the conveying pipe 503 is equipped with a switch valve 504, and by controlling the opening and closing of the switch valve 504, it is possible to control whether the agent in the raw material tank 5 enters the mixing tank 3.

[0026] The mixing mechanism 6 includes drive motors 601 that are symmetrically fixedly installed at the top of the mixing tank 3. The output ends of the two drive motors 601 extend into the interior of the mixing tank 3 and are connected to a rotating shaft 602. A mixing plate 603 is installed on the rotating shaft 602.

[0027] Through the above scheme, the drive motor 601 drives the rotating shaft 602 to rotate, thereby enabling the mixing plate 603 to fully stir and mix the medicine and water in the mixing box 3, thereby improving the mixing effect.

[0028] The support frame 2 has multiple rectangular mounting slots 201 symmetrically arranged. One end of the treatment pool 1 is equipped with a fixing screw 202, and the fixing screw 202 passes through the rectangular mounting slot 201 and is threadedly connected to a fixing nut 203.

[0029] With the above scheme, the fixing screw 202 passes through the rectangular mounting groove 201 and is threadedly connected to the fixing nut 203. By adjusting the position of the fixing screw 202 in the rectangular mounting groove 201 and tightening the fixing nut 203, the installation position of the support frame 2 on the treatment tank 1 can be easily adjusted, improving the installation flexibility and stability of the device.

[0030] A cover plate 401 is installed at the top of the water inlet pipe 4.

[0031] Through the above solution, the cover plate 401 can prevent debris from entering the water inlet pipe 4 and ensure the cleanliness of the water entering the mixing tank 3.

[0032] A switch valve 21001 is installed on the drain pipe 10.

[0033] The above scheme allows for the control of the drainage of raw material box 5 by controlling the opening and closing of switch valve 21001.

[0034] The circuits and controls involved in this utility model are all existing technologies, and will not be described in detail here.

[0035] The above description is only a preferred embodiment of this utility model patent and is not intended to limit this utility model patent. Any modifications, equivalent substitutions and improvements made within the spirit and principles of this utility model patent should be included within the protection scope of this utility model patent.

Claims

1. A dosing device for sludge treatment, characterized in that, The system includes a treatment tank (1), a support frame (2) is installed on the top of one side of the treatment tank (1), a mixing box (3) is installed on the top of the support frame (2), a water inlet pipe (4) is installed on one end of the top surface of the mixing box (3), a pair of raw material boxes (5) are installed on the top surface of the mixing box (3) away from the water inlet pipe (4), a stirring mechanism (6) is installed inside the mixing box (3), a support plate (7) is installed on one end of the support frame (2), a spraying mechanism (8) is installed on the support plate (7), a material pump (9) is installed on the upper surface of the support plate (7), and a drain pipe (10) is installed at the bottom of the raw material box (5). The spraying mechanism (8) includes a mounting base (801) fixedly installed on the bottom surface of the support plate (7). An electric push rod (802) is installed at one end of the mounting base (801). A sliding groove (803) is provided on the support plate (7). A connecting block (804) that is slidably connected to the extended end of the electric push rod (802) is fixedly connected to the sliding groove (803). A spray frame (805) is rotatably connected on the support plate (7). A spray head (807) is connected to one end of the spray frame (805). A tension groove (806) that is slidably connected to the connecting block (804) is provided at one end of the spray frame (805).

2. The dosing device for sludge treatment according to claim 1, characterized in that: The material pump (9) is connected to the material box (5) by a material pump pipe (901), and the other end of the material pump (9) is connected to a drain pipe (902). One end of the drain pipe (902) is connected to the spray frame (805) by a conveying hose (903).

3. The dosing device for sludge treatment according to claim 1, characterized in that: The top of the raw material tank (5) is connected to a discharge pipe (501), a liquid level observation window (502) is installed on one side of the raw material tank (5), a conveying pipe (503) is connected between the raw material tank (5) and the mixing tank (3), and a switch valve (504) is installed on the conveying pipe (503).

4. The dosing device for sludge treatment according to claim 1, characterized in that: The stirring mechanism (6) includes drive motors (601) symmetrically fixedly installed at the top of the mixing tank (3). The output ends of the two drive motors (601) extend into the interior of the mixing tank (3) and are connected to a rotating shaft (602). A mixing plate (603) is installed on the rotating shaft (602).

5. The dosing device for sludge treatment according to claim 1, characterized in that: The support frame (2) is symmetrically provided with multiple rectangular mounting slots (201), and a fixing screw (202) is installed at one end of the treatment pool (1). The fixing screw (202) passes through the rectangular mounting slot (201) and is threadedly connected to a fixing nut (203).

6. The dosing device for sludge treatment according to claim 1, characterized in that: The top of the water inlet pipe (4) is fitted with a cover plate (401).

7. The dosing device for sludge treatment according to claim 1, characterized in that: The drain pipe (10) is equipped with a switch valve two (1001).

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