Chemical agent feeding device for sewage treatment

Abstract

The utility model provides a chemical agent feeding device for sewage treatment. The chemical agent feeding device for sewage treatment comprises a bottom plate; the sewage treatment tank is fixedly connected to the top of the bottom plate, a medicine feeding tray is installed at the position, close to one side, of the top of the sewage treatment tank, a medicine feeding opening is formed in the position, close to one side, of the interior of the medicine feeding tray, a sealing cover is installed at the top of the medicine feeding tray, and a connecting pipe is installed at the top of the sealing cover; an electromagnetic valve is installed at the top end of the connecting pipe, and a chemical adding pipe is installed at the top end of the electromagnetic valve. According to the chemical agent feeding device for sewage treatment provided by the utility model, accurate agent feeding can be realized only by accurately knowing the weight of the partition areas of the partition frame filled with agents through the design, and the feeding structure is simple and can realize agent feeding only by matching the synchronous motor, the angle sensor and the electromagnetic valve; the cost is low and later maintenance is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment chemical agent feeding, in particular to a chemical agent feeding device for sewage treatment. Background Technique

[0002] Sewage treatment is a process of purifying sewage to meet the water quality requirements for discharging into a certain water body or reusing it. Sewage treatment is widely used in various fields such as construction, agriculture, transportation, energy, petrochemical, environmental protection, urban landscape, medical treatment, and catering, and is also increasingly entering the daily lives of ordinary people.

[0003] During the sewage treatment process, some chemical agents need to be put into the sewage treatment tank, which can accelerate the precipitation or separation of organic substances or sundries in the sewage. Therefore, a chemical agent feeding device is required.

[0004] However, traditional quantitative chemical agent feeding devices need to be equipped with a load-bearing device or a high-end metering sensor for accurate chemical agent feeding, with a high use cost and inconvenient later maintenance.

[0005] Therefore, it is necessary to provide a chemical agent feeding device for sewage treatment to solve the above technical problems. Content of the Utility Model

[0006] The utility model provides a chemical agent feeding device for sewage treatment, which solves the problems of high equipment cost and inconvenient later maintenance of traditional accurate chemical agent feeding devices.

[0007] To solve the above technical problems, the chemical agent feeding device for sewage treatment provided by the utility model includes: a bottom plate;

[0008] A sewage treatment tank, the sewage treatment tank is fixedly connected to the top of the bottom plate. A medicine feeding tray is installed at a position close to one side of the top of the sewage treatment tank. A medicine feeding port is opened at a position close to one side inside the medicine feeding tray. A sealing cover is installed on the top of the medicine feeding tray. A connecting pipe is installed on the top of the sealing cover. An electromagnetic valve is installed at the top of the connecting pipe. A medicine adding pipe is installed at the top of the electromagnetic valve;

[0009] An installation frame, the installation frame is installed on the top of the sewage treatment tank. A protective shell is installed on the top of the installation frame. A synchronous motor is installed inside the protective shell. An angle sensor is installed at the output end of the synchronous motor. A rotating shaft is installed at the bottom end of the angle sensor. A partition frame is installed at the bottom end of the rotating shaft;

[0010] The shape of the chemical agent inlet is the same as the shape of the partition that separates individual areas. The chemical agent inlet penetrates through the top of the sewage treatment tank. An opening for the rotating shaft to pass through is provided at the top of the sealing cover. The connecting pipe penetrates through the mounting frame. The solenoid valve can be automatically opened and closed, and whether there is chemical agent flowing inside can also be monitored. If there is no flow, a signal can be sent to control the synchronous motor to work through the controller. The angle sensor can detect the rotation angle of the synchronous motor. The bottom of the partition is in contact with the bottom of the inner wall of the chemical agent dosing tray, and the partition rotates inside the chemical agent dosing tray. The bottom of the sealing cover is in contact with the top of the partition.

[0011] Preferably, a control box is installed on the top of the bottom plate, and a box door is installed on the front of the control box;

[0012] A lock is provided on the box door, and a controller for cooperating with the solenoid valve, angle sensor and synchronous motor is installed inside the control box.

[0013] Preferably, a protective frame is installed at the front position on the outer surface of the sewage treatment tank, and an operation screen is installed inside the protective frame;

[0014] At the same time, the operation of the equipment can also be manually controlled.

[0015] Preferably, a sewage inlet pipe is installed on the top of the sewage treatment tank, and a sewage discharge pipe is installed at the bottom position on the outer surface of the sewage treatment tank;

[0016] A manual valve is provided on the sewage discharge pipe.

[0017] Preferably, a stirring assembly is installed on the top of the sewage treatment tank. The stirring assembly includes a mounting shell, and a stirring motor is installed inside the mounting shell;

[0018] The mounting shell is provided with breathable holes to assist in dissipating heat from the stirring motor.

[0019] Preferably, a rotating rod is installed at the output end of the stirring motor, and stirring rods are installed on the outer surface and bottom end of the rotating rod through mounting rings;

[0020] The stirring rods rotate inside the sewage treatment tank.

[0021] Compared with the related art, the chemical agent dosing device for sewage treatment provided by the present utility model has the following beneficial effects:

[0022] The utility model provides a chemical agent dosing device for sewage treatment. In order to accurately dose during sewage treatment and facilitate later maintenance, a dosing tray is installed on the top of the sewage treatment tank, and a connecting pipe, an angle sensor, and a dosing pipe are installed on the sealing cover on the top of the dosing tray, which is convenient to inject the agent to be dosed into the interior of the dosing tray through the dosing pipe. Then, a protective shell equipped with a synchronous motor is installed above the sealing cover through a mounting bracket. An angle sensor is installed on the output end of the synchronous motor to mount a rotating shaft. Then, a partition rack divided into multiple areas is installed at the bottom end of the rotating shaft, and the partition rack is located inside the dosing tray. The dosing tray is divided into multiple areas by the partition rack. In order to dose, a dosing port with the same shape as the partitioned area of the partition rack is opened at the connection between the bottom end of the dosing tray and the sewage treatment tank. Through this design, only by accurately knowing the weight after the partitioned area of the partition rack is filled with the agent can accurate dosing be achieved, and this dosing structure is simple and only requires the cooperation of a synchronous motor, an angle sensor, and a solenoid valve to achieve dosing, with low cost and convenient later maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 FIG. 1 is a schematic structural diagram of a preferred embodiment of the chemical agent dosing device for sewage treatment provided by the utility model;

[0024] Figure 2 FIG. 2 is a schematic structural diagram of the dosing port provided by the utility model;

[0025] Figure 3 FIG. 3 is a schematic structural diagram of the angle sensor provided by the utility model;

[0026] Figure 4 FIG. 4 is a schematic structural diagram of the synchronous motor provided by the utility model;

[0027] Figure 5 FIG. 5 is a schematic structural diagram of the stirring motor provided by the utility model.

[0028] Reference numerals in the figures: 1, bottom plate; 2, box door; 3, control box; 4, protective frame; 5, operation screen; 6, mounting bracket; 7, dosing tray; 8, sealing cover; 9, dosing pipe; 10, protective shell; 11, stirring assembly; 111, mounting shell; 112, stirring motor; 113, stirring rod; 114, mounting ring; 115, rotating rod; 12, influent pipe; 13, sewage treatment tank; 14, sewage discharge pipe; 15, connecting pipe; 16, solenoid valve; 17, dosing port; 18, angle sensor; 19, rotating shaft; 20, partition rack; 21, synchronous motor. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] The following further describes the utility model in conjunction with the drawings and embodiments.

[0030] Please refer toFigure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , wherein, Figure 1 is a schematic structural diagram of a preferred embodiment of the chemical agent dosing device for sewage treatment provided by the present utility model; Figure 2 is a schematic structural diagram of the medicine feeding port provided by the present utility model; Figure 3 is a schematic structural diagram of the angle sensor provided by the present utility model; Figure 4 is a schematic structural diagram of the synchronous motor provided by the present utility model; Figure 5 is a schematic structural diagram of the stirring motor provided by the present utility model. The chemical agent dosing device for sewage treatment includes: a bottom plate 1;

[0031] a sewage treatment tank 13, the sewage treatment tank 13 is fixedly connected to the top of the bottom plate 1, a medicine feeding tray 7 is installed at a position near one side of the top of the sewage treatment tank 13, a medicine feeding port 17 is opened at a position near one side inside the medicine feeding tray 7, a sealing cover 8 is installed on the top of the medicine feeding tray 7, a connecting pipe 15 is installed on the top of the sealing cover 8, a solenoid valve 16 is installed at the top of the connecting pipe 15, and a medicine adding pipe 9 is installed at the top of the solenoid valve 16;

[0032] a mounting frame 6, the mounting frame 6 is installed on the top of the sewage treatment tank 13, a protective shell 10 is installed on the top of the mounting frame 6, a synchronous motor 21 is installed inside the protective shell 10, an angle sensor 18 is installed at the output end of the synchronous motor 21, a rotating shaft 19 is installed at the bottom end of the angle sensor 18, and a partition frame 20 is installed at the bottom end of the rotating shaft 19;

[0033] The shape of the medicine feeding port 17 is the same as the shape of the single area separated by the partition frame 20. The medicine feeding port 17 penetrates through the top of the sewage treatment tank 13. An opening for the rotating shaft 19 to pass through is opened on the top of the sealing cover 8. The connecting pipe 15 penetrates through the mounting frame 6. The solenoid valve 16 can be automatically opened and closed, and whether there is medicine flowing inside can also be monitored. If there is no flow, a signal can be sent to control the synchronous motor 21 to work through the controller. The angle sensor 18 can detect the rotation angle of the synchronous motor 21. The bottom of the partition frame 20 contacts the bottom of the inner wall of the medicine feeding tray 7, and the partition frame 20 rotates inside the medicine feeding tray 7. The bottom of the sealing cover 8 contacts the top of the partition frame 20, ensuring that the medicine will not be discharged from the contact position, but will not affect the rotation of the partition frame 20.

[0034] A control box 3 is installed on the top of the bottom plate 1, and a box door 2 is installed on the front of the control box 3;

[0035] A lock is provided on the box door 2, and a controller that cooperates with the solenoid valve 16, the angle sensor 18, and the synchronous motor 21 is installed inside the control box 3.

[0036] A protective frame 4 is installed at the front position on the outer surface of the sewage treatment tank 13, and an operation screen 5 is installed inside the protective frame 4;

[0037] The operation screen 5 can set parameters and can also manually control the operation of the equipment.

[0038] A sewage inlet pipe 12 is installed at the top of the sewage treatment tank 13, and a sewage discharge pipe 14 is installed at the bottom position on the outer surface of the sewage treatment tank 13;

[0039] A manual valve is provided on the sewage discharge pipe 14, and the sewage inlet pipe 12 facilitates the entry of sewage.

[0040] A stirring assembly 11 is installed at the top of the sewage treatment tank 13. The stirring assembly 11 includes an installation shell 111, and a stirring motor 112 is installed inside the installation shell 111;

[0041] The installation shell 111 is provided with breathable holes to assist the heat dissipation of the stirring motor 112, and a hole through which the rotating rod 115 passes is opened at the connection between the installation shell 111 and the sewage treatment tank 13.

[0042] The output end of the stirring motor 112 is installed with a rotating rod 115, and stirring rods 113 are installed on the outer surface and the bottom end of the rotating rod 115 through mounting rings 114;

[0043] The position of the stirring rod 113 refers to Figure 5 , and the stirring rod 113 rotates inside the sewage treatment tank 13.

[0044] The working principle of the chemical agent feeding device for sewage treatment provided by the present utility model is as follows:

[0045] Install a chemical dosing tray 7 on the top of the sewage treatment tank 13, and install a connecting pipe 15, an angle sensor 18 and a chemical adding pipe 9 on the sealing cover 8 at the top of the chemical dosing tray 7, which is convenient for injecting the chemical agent to be put into the interior of the chemical dosing tray 7 through the chemical adding pipe 9. Then, install the protective shell 10 with a synchronous motor 21 on the upper part of the sealing cover 8 through a mounting bracket 6. And install a rotating shaft 19 at the output end of the synchronous motor 21 through the angle sensor 18. Then, install a partition frame 20 divided into multiple areas at the bottom end of the rotating shaft 19, and make the partition frame 20 located inside the chemical dosing tray 7. Use the partition frame 20 to divide the chemical dosing tray 7 into multiple areas. And in order to dose the medicine, a dosing port 17 with the same shape as the partition area of the partition frame 20 is opened at the connection between the bottom end of the chemical dosing tray 7 and the sewage treatment tank 13. In actual use, only need to open the solenoid valve 16, and the chemical agent can be injected into the area separated by the partition frame 20 in the chemical dosing tray 7 through the connecting pipe 15. When a certain area is filled with the chemical agent, it reaches the corresponding weight. During this process, the chemical agent will not flow in the solenoid valve 16, so as to judge that the chemical agent in this area is full and reaches the corresponding weight. Then, the synchronous motor 21 is started, and the partition frame 20 is driven to adjust the angle through the angle sensor 18, so that the area filled with the chemical agent is moved away from below the connecting pipe 15, and at the same time, the empty area is located below the connecting pipe 15, and the chemical agent will continue to flow. When the area filled with the chemical agent coincides with the dosing port 17, the chemical agent in this area will be put into the interior of the sewage treatment tank 13.

[0046] Compared with the related technology, the chemical agent dosing device for sewage treatment provided by the utility model has the following beneficial effects:

[0047] In order to accurately dose the medicine during the sewage treatment process and facilitate the later maintenance, install a chemical dosing tray 7 on the top of the sewage treatment tank 13, and install a connecting pipe 15, an angle sensor 18 and a chemical adding pipe 9 on the sealing cover 8 at the top of the chemical dosing tray 7, which is convenient for injecting the chemical agent to be put into the interior of the chemical dosing tray 7 through the chemical adding pipe 9. Then, install the protective shell 10 with a synchronous motor 21 on the upper part of the sealing cover 8 through a mounting bracket 6. And install a rotating shaft 19 at the output end of the synchronous motor 21 through the angle sensor 18. Then, install a partition frame 20 divided into multiple areas at the bottom end of the rotating shaft 19, and make the partition frame 20 located inside the chemical dosing tray 7. Use the partition frame 20 to divide the chemical dosing tray 7 into multiple areas. And in order to dose the medicine, a dosing port 17 with the same shape as the partition area of the partition frame 20 is opened at the connection between the bottom end of the chemical dosing tray 7 and the sewage treatment tank 13. Through this design, only need to accurately know the weight after the area separated by the partition frame 20 is filled with the chemical agent, and then the accurate dosing of the chemical agent can be realized. And this dosing structure is simple, and only need the synchronous motor 21, the angle sensor 18 and the solenoid valve 16 to cooperate with each other to realize the dosing, with low cost and convenient for later maintenance.

[0048] The above are only embodiments of the present utility model, and do not thus limit the patent scope of the present utility model. Any equivalent structural or equivalent process transformations made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall similarly be included within the patent protection scope of the present utility model.

Claims

1. A chemical agent dosing device for sewage treatment, characterized in that, Including: Bottom plate; Sewage treatment tank, which is fixedly connected to the top of the bottom plate. A medicine feeding tray is installed at a position close to one side of the top of the sewage treatment tank. A medicine feeding port is opened at a position close to one side inside the medicine feeding tray. A sealing cover is installed on the top of the medicine feeding tray. A connecting pipe is installed on the top of the sealing cover. A solenoid valve is installed at the top of the connecting pipe. A medicine adding pipe is installed at the top of the solenoid valve; Mounting frame, which is installed on the top of the sewage treatment tank. A protective shell is installed on the top of the mounting frame. A synchronous motor is installed inside the protective shell. An angle sensor is installed at the output end of the synchronous motor. A rotating shaft is installed at the bottom end of the angle sensor. A partition frame is installed at the bottom end of the rotating shaft.

2. The chemical agent dosing device for sewage treatment according to claim 1, wherein, A control box is installed on the top of the bottom plate. A box door is installed on the front of the control box.

3. The chemical agent dosing device for sewage treatment according to claim 1, characterized in that, A protective frame is installed on the front position of the outer surface of the sewage treatment tank. An operation screen is installed inside the protective frame.

4. The chemical agent dosing device for sewage treatment according to claim 1, characterized in that, An inlet sewage pipe is installed on the top of the sewage treatment tank. A sewage discharge pipe is installed at the bottom position of the outer surface of the sewage treatment tank.

5. The chemical agent dosing device for sewage treatment according to claim 1, wherein, A stirring assembly is installed on the top of the sewage treatment tank. The stirring assembly includes an installation shell, and a stirring motor is installed inside the installation shell.

6. The chemical agent dosing device for sewage treatment according to claim 5, characterized in that, A rotating rod is installed at the output end of the stirring motor. Stirring rods are installed on the outer surface and the bottom end of the rotating rod through installation rings.

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