Chemical dosing device for industrial sewage treatment

Abstract

The utility model discloses a chemical dosing device for industrial sewage treatment, which belongs to the technical field of sewage treatment dosing and comprises a flat plate, the upper end face of a chemical storage tank is communicated with a chemical inlet pipe, and the upper end face of the flat plate is fixedly connected with a variable-frequency discharge pump positioned on the side of a chemical dispensing tank through a support. A variable-frequency discharging pump is arranged in the pesticide storage tank, a pesticide outlet pipe is communicated between the pesticide storage tank and the variable-frequency discharging pump, a first meter is installed on the outer wall of the pesticide outlet pipe, a first electromagnetic valve located below the first meter is installed in the pesticide outlet pipe, water needed for pesticide dispensing is put into the pesticide dispensing box through a water injection pipe, and pesticide is put into the pesticide storage tank through a pesticide inlet pipe; the first electromagnetic valve is opened, so that chemicals in the chemical storage tank enter the chemical outlet pipe, the discharged chemicals are controlled through the first meter according to the metering required by the proportion, and the chemical dosing device has the characteristics of quantitative chemical dosing, higher chemical dosing efficiency and convenience in cleaning.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment dosing, in particular to a chemical dosing device for industrial sewage treatment. Background Art

[0002] Sewage treatment is the process of purifying sewage to meet the water quality requirements for discharge into a water body or reuse. It is widely used in various fields such as construction, agriculture, transportation, energy, petrochemicals, environmental protection, urban landscape, medical care, and catering. Sewage treatment can improve the ecological environment, enhance the quality of the city, and promote economic development. At present, in sewage treatment, it is necessary to add chemicals to improve the efficiency of sewage treatment.

[0003] When using the existing dosing device for sewage treatment, solid medicine needs to be added into the dispensing box to dissolve into solution. However, since it is impossible to weigh the solid medicine in the pipeline, the control of the amount of medicine is not accurate enough. Too much medicine will cause medicine residue in the treated sewage, and insufficient medicine will cause the treated sewage water quality to fail to meet the requirements.

[0004] When the existing dosing device for sewage treatment is in use, it takes a long time for the agent to dissolve by itself, and the dispensing efficiency is low. At the same time, some agents will precipitate when left in the dispensing box for a long time. If not cleaned in time, the agent combination will stick to the inner wall of the dispensing box, causing blockage of the dispensing box. Utility Model Content

[0005] In order to solve the problems in the above background, the utility model provides a chemical dosing device for industrial sewage treatment, which has the characteristics of quantitative dosing, higher dispensing efficiency and easy cleaning.

[0006] The utility model is implemented as follows: a chemical dosing device for industrial sewage treatment comprises a flat plate, the upper end surface of the flat plate is fixedly connected to a medicine dispensing box, the upper end surface of the medicine dispensing box is connected to a water injection pipe, the left end surface of the medicine dispensing box is fixedly connected to a medicine storage tank through a bracket, the upper end surface of the medicine storage tank is connected to a medicine inlet pipe, the upper end surface of the flat plate is fixedly connected to a variable frequency discharge pump located on the side of the medicine dispensing box through a bracket, a medicine discharge pipe is connected between the medicine storage tank and the variable frequency discharge pump, a first meter is installed on the outer wall of the medicine discharge pipe, and a first solenoid valve located below the first meter is installed inside the medicine discharge pipe;

[0007] The medicine dispensing box has a rotating shaft connected to its interior, and a plurality of equally spaced stirring rods are fixedly connected to the outer wall of the rotating shaft. Two scrapers distributed in an array and located below the stirring rods are fixedly connected to the outer wall of the rotating shaft. A delivery pump is installed on the inner wall of the medicine dispensing box, and the output end of the delivery pump is connected to a medicine discharge pipe. A second meter is installed on the outer wall of the medicine discharge pipe, and a second solenoid valve located behind the second meter is installed inside the medicine discharge pipe.

[0008] In order to accelerate the reaction of the sewage inside the sewage treatment tank, as a preferred chemical dosing device for industrial sewage treatment of the utility model, the upper end surface of the flat plate is fixedly connected to the sewage treatment tank located behind the medicine dispensing box, the sewage treatment tank is connected to the other end of the medicine discharge pipe, the upper end surface of the sewage treatment tank is provided with a sewage outlet, and an aerator is installed on the inner bottom surface of the sewage treatment tank.

[0009] In order to add the medicine to the medicine dispensing box more evenly, as a preferred chemical dosing device for industrial wastewater treatment of the utility model, the variable frequency discharge pump is connected to the medicine dispensing box through a dosing pipe, one end of the dosing pipe extends to the interior of the medicine dispensing box and is connected to a dosing tank.

[0010] In order to rotate the rotating shaft, as a preferred chemical dosing device for industrial wastewater treatment of the utility model, a driving motor is installed on the upper end surface of the drug dispensing box, and the output end of the driving motor passes through the drug dispensing box and is fixedly connected to one end of the rotating shaft.

[0011] In order to make it easier to discharge the medicine inside the medicine storage tank, as a preferred chemical dosing device for industrial wastewater treatment of the utility model, the lower end surface of the medicine storage tank is set to be funnel-shaped.

[0012] For the convenience of operation, as a preferred embodiment of the chemical dosing device for industrial wastewater treatment of the utility model, a control switch is fixedly connected to the front end surface of the drug dispensing box.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model puts water needed for medicine dispensing into a medicine dispensing box through a water injection pipe, puts solid medicine into a medicine storage tank through a medicine inlet pipe, and when medicine dispensing is needed, a first electromagnetic valve is opened to allow the solid medicine inside the medicine storage tank to enter a medicine outlet pipe, and the solid medicine is discharged according to the required proportional metering control, and the medicine is allowed to enter a medicine dosing tank through a variable frequency discharge pump through a medicine dosing pipe, and then the solid medicine evenly enters the medicine dispensing box and is mixed with water, so that quantitative dosing is convenient.

[0015] In addition, the utility model drives the output end of the motor to drive the shaft to rotate, so that the shaft drives the stirring rod to rotate, stirs the water and medicine inside the medicine dispensing box, speeds up the reaction speed of the medicine, improves the medicine dispensing rate, scrapes up the medicine settled at the bottom of the medicine dispensing box by the scraper to prevent blockage, opens the second solenoid valve, and transports the prepared medicine to the interior of the sewage treatment tank through the medicine discharge pipe by the delivery pump, and controls the quantity by the second meter to ensure that the dosage of the medicine is more accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1This is the overall structural diagram of a chemical dosing device for industrial sewage treatment according to the utility model;

[0017] Figure 2 It is the overall cutaway structural diagram of the utility model;

[0018] Figure 3 It is a top view of the utility model.

[0019] In the figure, 1. flat plate; 2. medicine dispensing box; 3. water injection pipe; 4. medicine storage tank; 5. medicine inlet pipe; 6. medicine outlet pipe; 7. first metering meter; 8. first solenoid valve; 9. variable frequency discharge pump; 10. medicine adding pipe; 11. driving motor; 12. sewage treatment tank; 13. medicine adding tank; 14. rotating shaft; 15. stirring rod; 16. scraper; 17. control switch; 18. medicine discharging pipe; 19. second metering meter; 20. second solenoid valve; 21. sewage outlet; 22. delivery pump; 23. aerator. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0021] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0022] See also Figure 1-3 A chemical dosing device for industrial sewage treatment comprises a flat plate 1, a medicine dispensing box 2 is fixedly connected to the upper end surface of the flat plate 1, a water injection pipe 3 is connected to the upper end surface of the medicine dispensing box 2, a medicine storage tank 4 is fixedly connected to the left end surface of the medicine dispensing box 2 through a bracket, a medicine inlet pipe 5 is connected to the upper end surface of the medicine storage tank 4, a variable frequency discharge pump 9 located on the side of the medicine dispensing box 2 is fixedly connected to the upper end surface of the flat plate 1 through a bracket, a medicine discharge pipe 6 is connected between the medicine storage tank 4 and the variable frequency discharge pump 9, a first metering meter 7 is installed on the outer wall of the medicine discharge pipe 6, and a first solenoid valve 8 located below the first metering meter 7 is installed inside the medicine discharge pipe 6;

[0023] The medicine dispensing box 2 is rotatably connected to a rotating shaft 14, and a plurality of equally spaced stirring rods 15 are fixedly connected to the outer wall of the rotating shaft 14. Two scrapers 16 distributed in an array and located below the stirring rods 15 are fixedly connected to the outer wall of the rotating shaft 14. A delivery pump 22 is installed on the inner wall of the medicine dispensing box 2, and the output end of the delivery pump 22 is connected to a medicine discharge pipe 18. A second meter 19 is installed on the outer wall of the medicine discharge pipe 18, and a second solenoid valve 20 located behind the second meter 19 is installed inside the medicine discharge pipe 18.

[0024] In this embodiment: the water required for dispensing is put into the dispensing box 2 through the water injection pipe 3, and the medicine is put into the medicine storage tank 4 through the medicine inlet pipe 5. When dispensing is required, the first electromagnetic valve 8 is opened to allow the solid medicine inside the medicine storage tank 4 to enter the medicine outlet pipe 6, and the solid medicine is discharged according to the metering control required by the first metering meter 7. The solid medicine is made to enter the medicine adding tank 13 through the frequency conversion discharge pump 9 through the medicine adding pipe 10, and then the solid medicine is evenly entered into the dispensing box 2 to be mixed with water, which is convenient for quantitative dosing;

[0025] The output end of the driving motor 11 drives the rotating shaft 14 to rotate, so that the rotating shaft 14 drives the stirring rod 15 to rotate, stirring the water and medicine inside the medicine dispensing box 2, so that the dissolution rate of the solid medicine is accelerated, and the medicine dispensing rate is improved. The medicine precipitated at the bottom of the medicine dispensing box 2 is scraped up by the scraper 16 to prevent blockage. The second solenoid valve 20 is opened, and the prepared medicine is transported to the interior of the sewage treatment tank 12 through the medicine discharge pipe 18 by the delivery pump 22. The quantitative quantity is controlled by the second meter 19 to ensure that the dosage of the medicine is more accurate.

[0026] As a technical optimization solution of the utility model, the upper end surface of the flat plate 1 is fixedly connected to a sewage treatment box 12 located behind the medicine dispensing box 2. The sewage treatment box 12 is connected to the other end of the medicine discharge pipe 18. A sewage outlet 21 is provided on the upper end surface of the sewage treatment box 12, and an aerator 23 is installed on the inner bottom surface of the sewage treatment box 12.

[0027] In this embodiment, the sewage to be treated is discharged into the sewage treatment tank 12 through the sewage outlet 21, and the sewage inside the sewage treatment tank 12 is made to produce a steam drum through the aerator 23, thereby accelerating the reaction efficiency of the agent and treating the sewage faster.

[0028] As a technical optimization solution of the utility model, the variable frequency discharge pump 9 is connected to the medicine dispensing box 2 through the medicine dosing pipe 10 , and one end of the medicine dosing pipe 10 extends to the interior of the medicine dispensing box 2 and is connected to the medicine dosing tank 13 .

[0029] In this embodiment: the medicine is made to enter the medicine adding tank 13 through the medicine adding pipe 10 by the variable frequency discharge pump 9, and then the medicine is evenly entered into the medicine dispensing box 2 to be mixed with water, so as to speed up the medicine dispensing speed.

[0030] As a technical optimization solution of the utility model, a driving motor 11 is installed on the upper end surface of the medicine dispensing box 2 , and the output end of the driving motor 11 passes through the medicine dispensing box 2 and is fixedly connected to one end of the rotating shaft 14 .

[0031] In this embodiment, the output end of the driving motor 11 drives the rotating shaft 14 to rotate, so that the rotating shaft 14 drives the stirring rod 15 to rotate, thereby accelerating the efficiency of dispensing medicine and making it more convenient.

[0032] As a technical optimization solution of the utility model, the lower end surface of the medicine storage tank 4 is configured to be funnel-shaped.

[0033] In this embodiment, the medicine in the medicine storage tank 4 is more easily discharged through the funnel-shaped bottom.

[0034] As a technical optimization solution of the present utility model, a control switch 17 is fixedly connected to the front end surface of the medicine dispensing box 2.

[0035] In this embodiment: the first meter 7, the first solenoid valve 8, the variable frequency discharge pump 9, the drive motor 11, the second meter 19, the second solenoid valve 20, the delivery pump 22 and the aerator 23 are all electrically connected to the control switch 17, and the drive is controlled by the control switch 17, making the operation of the device more convenient.

[0036] The working principle and use process of the utility model are as follows: first, the water required for dispensing is put into the dispensing box 2 through the water injection pipe 3, and the medicine is put into the medicine storage tank 4 through the medicine inlet pipe 5, and then the first electromagnetic valve 8 is opened to allow the medicine inside the medicine storage tank 4 to enter the medicine outlet pipe 6, and the medicine discharged is controlled by the first metering meter 7 according to the required proportion, and the medicine is allowed to enter the medicine adding tank 13 through the frequency conversion discharge pump 9 through the medicine adding pipe 10, and then the medicine is evenly entered into the dispensing box 2 and mixed with water;

[0037] Then, the output end of the driving motor 11 drives the rotating shaft 14 to rotate, so that the rotating shaft 14 drives the stirring rod 15 to rotate, stirs the water and medicine inside the medicine dispensing box 2, accelerates the reaction speed of the medicine, and improves the medicine dispensing rate. At the same time, the medicine precipitated at the bottom of the medicine dispensing box 2 is scraped up by the scraper 16 to prevent blockage. After the medicine is prepared, the second solenoid valve 20 is opened, and the prepared medicine is transported to the interior of the sewage treatment tank 12 through the medicine discharge pipe 18 by the delivery pump 22. The quantitative amount is controlled by the second meter 19 to ensure that the dosage of the medicine is more accurate. Then, the sewage to be treated is discharged into the sewage treatment tank 12 through the sewage outlet 21, and the sewage inside the sewage treatment tank 12 is caused to produce a steam drum through the aerator 23, thereby accelerating the reaction efficiency of the medicine and treating the sewage faster.

[0038] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A chemical dosing device for industrial wastewater treatment, comprising a plate (1), characterized in that: The upper end surface of the plate (1) is fixedly connected to a medicine dispensing box (2), the upper end surface of the medicine dispensing box (2) is connected to a water injection pipe (3), the left end surface of the medicine dispensing box (2) is fixedly connected to a medicine storage tank (4) through a bracket, the upper end surface of the medicine storage tank (4) is connected to a medicine inlet pipe (5), the upper end surface of the plate (1) is fixedly connected to a variable frequency discharge pump (9) located on the side of the medicine dispensing box (2) through a bracket, a medicine discharge pipe (6) is connected between the medicine storage tank (4) and the variable frequency discharge pump (9), the outer wall of the medicine discharge pipe (6) is installed with a first meter (7), and the interior of the medicine discharge pipe (6) is installed with a first solenoid valve (8) located below the first meter (7); The medicine dispensing box (2) is rotatably connected to a rotating shaft (14) inside, and a plurality of equally spaced stirring rods (15) are fixedly connected to the outer wall of the rotating shaft (14). Two scrapers (16) distributed in an array and located below the stirring rods (15) are fixedly connected to the outer wall of the rotating shaft (14). A delivery pump (22) is installed on the inner wall of the medicine dispensing box (2), and the output end of the delivery pump (22) is connected to a medicine discharge pipe (18). A second meter (19) is installed on the outer wall of the medicine discharge pipe (18), and a second solenoid valve (20) located behind the second meter (19) is installed inside the medicine discharge pipe (18).

2. A chemical dosing device for industrial wastewater treatment according to claim 1, characterized in that: The upper end surface of the flat plate (1) is fixedly connected to a sewage treatment box (12) located behind the medicine dispensing box (2); the sewage treatment box (12) is connected to the other end of the medicine dispensing pipe (18); a sewage outlet (21) is provided on the upper end surface of the sewage treatment box (12); and an aerator (23) is installed on the inner bottom surface of the sewage treatment box (12).

3. A chemical dosing device for industrial wastewater treatment according to claim 1, characterized in that: The variable frequency discharge pump (9) is connected to the medicine dispensing box (2) via a medicine dosing pipe (10), one end of the medicine dosing pipe (10) extends to the interior of the medicine dispensing box (2) and is connected to a medicine dosing tank (13).

4. A chemical dosing device for industrial wastewater treatment according to claim 1, characterized in that: A driving motor (11) is installed on the upper end surface of the medicine dispensing box (2), and the output end of the driving motor (11) passes through the medicine dispensing box (2) and is fixedly connected to one end of the rotating shaft (14).

5. A chemical dosing device for industrial wastewater treatment according to claim 1, characterized in that: The lower end surface of the medicine storage tank (4) is arranged in a funnel shape.

6. A chemical dosing device for industrial wastewater treatment according to claim 1, characterized in that: A control switch (17) is fixedly connected to the front end surface of the medicine dispensing box (2).

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