Quantitative dosing device for sewage treatment tank

Abstract

The utility model discloses a quantitative dosing device for a sewage treatment tank, which comprises a dosing box body, one side of the dosing box body is communicated with an extension box body, a filter screen is arranged between the dosing box body and the extension box body, a connecting pipe is arranged in the extension box body, a preparation mechanism is arranged in the dosing box body, and a dosing pump is arranged at the top of the extension box body. An inlet is formed in the bottom of the connecting pipe, a monitoring mechanism is arranged on the connecting pipe above the inlet, a control panel is arranged at the upper end of the side, close to the extending box body, of the dosing box body, the monitoring mechanism is electrically connected with the control panel, the top of the connecting pipe is connected with the input end of the dosing pump, and the output end of the dosing pump is connected with the top of the treatment tank body through the dosing pipe; and a valve and a flow meter are arranged on the dosing pipe. According to the utility model, a series of structures are arranged, so that quantitative dosing is realized, sewage dosing preparation is facilitated, liquid medicine is uniform, a filter screen is used for dosing and filtering, dosing blockage is prevented, cleaning is convenient, dosing liquid level monitoring is realized, and dosing management is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of adding medicine to a sewage treatment tank, in particular to a quantitative medicine adding device for a sewage treatment tank. Background Art

[0002] Sewage treatment tank is a device used to treat domestic sewage and industrial wastewater. It can effectively remove wastewater containing organic matter, suspended solids and bacteria, so that its water quality meets the emission standards and protects the environment from pollution. The working principle of sewage treatment tank Sewage treatment tank is mainly composed of water inlet, primary sedimentation tank, aerobic tank, disinfection tank and outlet pipe. Sewage treatment liquid is added through dosing equipment during the operation of sewage treatment tank.

[0003] Although the current sewage treatment tank can add the liquid medicine in the medicine box into the sewage treatment tank through the dosing pump, the liquid medicine in the medicine box is uneven or contains particulate impurities due to long-term standing or uneven preparation, resulting in errors in dosing, easy clogging of equipment, and inconvenient replenishment management of insufficient liquid medicine in the medicine box. Utility Model Content

[0004] The purpose of the utility model is to provide a quantitative dosing device for a sewage treatment tank to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a quantitative dosing device for a sewage treatment tank, comprising a dosing box, one side of the dosing box is connected to an extension box, a filter is provided between the dosing box and the extension box, a connecting pipe is provided inside the extension box, a preparation mechanism is provided inside the dosing box, a dosing pump is provided on the top of the extension box, an inlet is provided at the bottom of the connecting pipe, a monitoring mechanism is provided on the connecting pipe above the inlet, a control panel is provided at the upper end of the dosing box close to the extension box, the monitoring mechanism is electrically connected to the control panel, the top of the connecting pipe is connected to the input end of the dosing pump, the output end of the dosing pump is connected to the top of the treatment tank through the dosing pipe, the dosing pipe is provided with a valve and a flow meter, and the top of the dosing box away from the extension box is provided with an addition port.

[0006] Preferably, the preparation mechanism includes a stirring rod, a servo motor, blades, a scraper and a brush. A stirring rod is provided inside the dosing box, a servo motor is provided on the top of the dosing box, the output end of the servo motor is connected to the stirring rod through a coupling, the stirring rod is provided with blades, a scraper is provided on one side of the stirring rod through a connecting rod, and a brush is provided on the side of the scraper away from the stirring rod.

[0007] Preferably, the filter screen is arranged in an arc-shaped surface structure, the dosing box is arranged in a cylindrical structure, the filtering surface of the filter screen and the dosing box are arranged in the same arc-shaped surface structure, and the side of the brush away from the scraper is arranged in contact with the inner wall of the dosing box and the filtering surface of the filter screen.

[0008] Preferably, a discharge port is provided at the lower end of the dosing box body away from the filter screen, and a discharge valve is provided on the discharge port.

[0009] Preferably, the monitoring mechanism includes a mounting plate, a floating plate and a liquid level probe, a mounting plate is provided at the lower end of the connecting pipe, one end of the mounting plate is connected to the filter screen, and the other end of the mounting plate is connected to the extension box body, a floating plate is provided in the extension box body above the mounting plate, a liquid level probe is provided at the bottom of the floating plate, the output end of the liquid level probe is electrically connected to the input end of the control panel, and a display screen is provided on the control panel.

[0010] Preferably, the monitoring mechanism further comprises an alarm, and the top of the dosing box is provided with an alarm, and the input end of the alarm is electrically connected to the output end of the control panel.

[0011] Preferably, the floating plate is provided with a guide hole, the connecting pipe is provided by a hard straight pipe, and the floating plate is slidably sleeved on the connecting pipe through the guide hole.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The quantitative dosing device for the sewage treatment tank realizes the quantitative dosing operation of the sewage treatment tank through the extension box body arranged on the dosing box body, the dosing pump cooperates with the connecting pipe, the dosing pipe and the flow meter. The preparation mechanism arranged in the dosing box body is convenient for the preparation of sewage dosing, and the liquid medicine is uniform. The filter net arranged between the extension box body and the dosing box body realizes the dosing filtering function of the utility model and prevents the dosing from being blocked. The scraper and brush on the stirring rod make it easy to clean the filter surface of the dosing box body and the filter net.

[0014] 2. The quantitative dosing device of the sewage treatment tank is convenient for monitoring the dosing liquid level in the dosing box and the extension box through the installation plate and the floating plate arranged on the connecting pipe. The liquid level probe on the floating plate cooperates with the alarm, which is convenient for dosing management of the sewage treatment tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the stirring rod in the utility model;

[0017] Figure 3 It is a structural schematic diagram of the stirring rod in the utility model;

[0018] Figure 4 It is a structural schematic diagram of the filter screen in the utility model;

[0019] Figure 5 It is a structural schematic diagram of the floating plate in the utility model;

[0020] Figure 6 This is a working principle diagram of the liquid level probe in the utility model.

[0021] In the figure: 1. dosing box; 2. filter screen; 3. extension box; 4. connecting pipe; 41. inlet; 42. mounting plate; 43. floating plate; 44. liquid level probe; 5. preparation mechanism; 51. stirring rod; 52. servo motor; 53. blade; 54. scraper; 55. brush; 6. dosing pipe; 7. treatment tank; 8. dosing pump; 9. valve; 10. flow meter; 11. addition port; 12. discharge port; 13. alarm. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] Example 1

[0026] like Figures 1 to 6 As shown, the quantitative dosing device for the sewage treatment tank in this embodiment includes a dosing box 1, one side of the dosing box 1 is connected to an extension box 3, a filter screen 2 is provided between the dosing box 1 and the extension box 3, a connecting pipe 4 is provided inside the extension box 3, a preparation mechanism 5 is provided inside the dosing box 1, a dosing pump 8 is provided on the top of the extension box 3, an inlet 41 is provided at the bottom of the connecting pipe 4, a monitoring mechanism is provided on the connecting pipe 4 above the inlet 41, a control panel is provided at the upper end of the dosing box 1 close to the extension box 3, the monitoring mechanism is electrically connected to the control panel, the top of the connecting pipe 4 is connected to the input end of the dosing pump 8, and the dosing pump The output end of 8 is connected to the top of the treatment tank body 7 through the dosing pipe 6. The dosing pipe 6 is provided with a valve 9 and a flowmeter 10. The top of the dosing box 1 away from the extension box 3 is provided with an addition port 11, which realizes the quantitative dosing operation of the sewage treatment tank. The preparation mechanism 5 arranged in the dosing box 1 is convenient for sewage dosing preparation, and the liquid medicine is uniform. The filter screen 2 arranged between the extension box 3 and the dosing box 1 realizes the dosing filtration function of the utility model, prevents dosing blockage, makes it easy to clean the filtering surfaces of the dosing box 1 and the filter screen 2, facilitates the monitoring of the dosing liquid level in the dosing box 1 and the extension box 3, and facilitates the dosing management of the sewage treatment tank.

[0027] Specifically, the preparation mechanism 5 includes a stirring rod 51, a servo motor 52, a blade 53, a scraper 54 and a brush 55. The stirring rod 51 is provided inside the dosing box 1, and the servo motor 52 is provided on the top of the dosing box 1. The output end of the servo motor 52 is connected to the stirring rod 51 through a coupling, and the stirring rod 51 is provided with a blade 53. A scraper 54 is provided on one side of the stirring rod 51 through a connecting rod, and a brush 55 is provided on the side of the scraper 54 away from the stirring rod 51. The servo motor 52 drives the stirring rod 51 to rotate, and the blade 53, the connecting rod, the scraper 54 and the brush 55 on the stirring rod 51 rotate continuously in the dosing box 1 to stir and prepare the medicine in the dosing box 1 evenly.

[0028] Furthermore, the filter screen 2 is arranged in an arc-shaped surface structure, the dosing box body 1 is arranged in a cylindrical structure, the filtering surface of the filter screen 2 and the dosing box body 1 are arranged in the same arc-shaped surface structure, and the side of the brush 55 away from the scraper 54 is arranged in contact with the inner wall of the dosing box body 1 and the filtering surface of the filter screen 2. The scraper 54 and the brush 55 on the stirring rod 51 can clean the inner wall of the dosing box body 1 and the filtering surface of the filter screen 2.

[0029] Furthermore, a discharge port 12 is provided at the lower end of the dosing box 1 away from the filter screen 2, and a discharge valve is provided on the discharge port 12. The waste liquid generated by cleaning can be discharged by opening the discharge valve on the discharge port 12.

[0030] Furthermore, the monitoring mechanism includes a mounting plate 42, a floating plate 43 and a liquid level probe 44. The lower end of the connecting pipe 4 is provided with a mounting plate 42, one end of the mounting plate 42 is connected to the filter screen 2, and the other end of the mounting plate 42 is connected to the extension box 3. A floating plate 43 is provided in the extension box 3 above the mounting plate 42, and a liquid level probe 44 is provided at the bottom of the floating plate 43. The output end of the liquid level probe 44 is electrically connected to the input end of the control panel. A display screen is provided on the control panel, and a liquid level sensor is provided on the liquid level probe 44 to monitor and collect the liquid level. The monitored data is transmitted to the control panel, and the control panel displays the liquid level monitoring data through the display screen.

[0031] The monitoring mechanism also includes an alarm 13. The alarm 13 is provided on the top of the dosing box 1. The input end of the alarm 13 is electrically connected to the output end of the control panel. The output ends of the liquid level probe 44 and the flow meter 10 are electrically connected to the control module of the control panel through the processing module. The output end of the control module is electrically connected to the dosing pump 8, the alarm 13, and the display screen. When the liquid level is lower than the setting, the control panel controls the alarm 13 to sound an alarm according to the monitored data.

[0032] The method of use of this embodiment is as follows: the medicine for sewage treatment is added to the inside of the medicine-dosing box 1 through the addition port 11, the servo motor 52 drives the stirring rod 51 to rotate, and the blades 53, the connecting rod, the scraper 54 and the brush 55 on the stirring rod 51 rotate continuously in the medicine-dosing box 1 to stir and evenly prepare the medicine in the medicine-dosing box 1. When adding medicine, open the valve 9. Under the action of the medicine-dosing pump 8, the medicine liquid in the medicine-dosing box 1 is filtered through the filter screen 2 and enters the extension box 3. The medicine liquid enters the connecting pipe 4 and the medicine-dosing pipe 6 through the inlet 41, and is added to the inside of the treatment tank 7 through the valve 9 and the flow meter 10 through the medicine-dosing pipe 6. The flow meter 10 measures and monitors the amount of medicine added. After the amount of medicine added reaches the required amount, the medicine-dosing pump 8 stops running, stops adding medicine, and closes the valve 9, thereby realizing the quantitative dosing operation of the sewage treatment tank. The preparation mechanism 5 arranged in the medicine-dosing box 1 is convenient for the preparation of sewage dosing, and the medicine liquid is uniform. The filter screen 2 is arranged to realize the function of drug addition filtering of the utility model and prevent drug addition blockage. Since the filtering surface of the filter screen 2 is arranged with the same arc surface structure as the drug addition box 1, the side of the brush 55 away from the scraper 54 is in contact with the inner wall of the drug addition box 1 and the filtering surface of the filter screen 2. The scraper 54 and the brush 55 on the stirring rod 51 can clean the inner wall of the drug addition box 1 and the filtering surface of the filter screen 2. The waste liquid generated by cleaning can be discharged by opening the discharge valve on the discharge port 12, so that the drug addition box 1 and the filtering surface of the filter screen 2 are easy to clean; the floating plate 43 floats on the drug liquid in the extension box 3, and the liquid level probe 44 on the floating plate 43 monitors the liquid level of the drug liquid in the extension box 3. The monitored data is transmitted to the control panel, and the control panel displays the liquid level monitoring data through the display screen. When the liquid level is lower than the setting, the control panel controls the alarm 13 to alarm according to the monitored data, which is convenient for monitoring the drug addition liquid level in the drug addition box 1 and the extension box 3, and convenient for drug addition management in the sewage treatment tank.

[0033] Example 2

[0034] The structure of the quantitative dosing device for sewage treatment tanks in this embodiment is basically the same as that of the quantitative dosing device for sewage treatment tanks in embodiment 1, except that: a guide hole is provided on the floating plate 43 (see Figures 1 to 5 The connecting pipe 4 is a hard straight pipe, and the floating plate 43 is slidably sleeved on the connecting pipe 4 through the guide hole. The floating lifting of the floating plate 43 is guided by the connecting pipe 4, and the floating lifting stability of the floating plate 43 is better.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A quantitative dosing device for a sewage treatment tank, comprising a dosing box (1), characterized in that: An extension box (3) is provided on one side of the dosing box (1), a filter screen (2) is provided between the dosing box (1) and the extension box (3), a connecting pipe (4) is provided inside the extension box (3), a preparation mechanism (5) is provided inside the dosing box (1), a dosing pump (8) is provided on the top of the extension box (3), an inlet (41) is provided at the bottom of the connecting pipe (4), and a monitoring mechanism is provided on the connecting pipe (4) above the inlet (41). A control panel is provided at the upper end of the dosing box (1) close to the extension box (3), the monitoring mechanism is electrically connected to the control panel, the top of the connecting pipe (4) is connected to the input end of the dosing pump (8), the output end of the dosing pump (8) is connected to the top of the treatment tank (7) through the dosing pipe (6), the dosing pipe (6) is provided with a valve (9) and a flow meter (10), and the top of the dosing box (1) away from the extension box (3) is provided with an addition port (11).

2. A quantitative dosing device for a sewage treatment tank according to claim 1, characterized in that: The preparation mechanism (5) comprises a stirring rod (51), a servo motor (52), a blade (53), a scraper (54) and a brush (55); a stirring rod (51) is arranged inside a dosing box (1); a servo motor (52) is arranged on the top of the dosing box (1); an output end of the servo motor (52) is connected to the stirring rod (51) via a coupling; a blade (53) is arranged on the stirring rod (51); a scraper (54) is arranged on one side of the stirring rod (51) via a connecting rod; and a brush (55) is arranged on the side of the scraper (54) away from the stirring rod (51).

3. A quantitative dosing device for a sewage treatment tank according to claim 2, characterized in that: The filter screen (2) is arranged in an arc-shaped structure, the medicine adding box (1) is arranged in a cylindrical structure, the filtering surface of the filter screen (2) and the medicine adding box (1) are arranged in the same arc-shaped structure, and the side of the brush (55) away from the scraper (54) is arranged in contact with the inner wall of the medicine adding box (1) and the filtering surface of the filter screen (2).

4. A quantitative dosing device for a sewage treatment tank according to claim 1, characterized in that: A discharge port (12) is provided at the lower end of the medicine adding box (1) on a side away from the filter screen (2), and a discharge valve is provided on the discharge port (12).

5. A quantitative dosing device for a sewage treatment tank according to claim 1, characterized in that: The monitoring mechanism comprises a mounting plate (42), a floating plate (43) and a liquid level probe (44); the mounting plate (42) is provided at the lower end of the connecting pipe (4); one end of the mounting plate (42) is connected to the filter screen (2); the other end of the mounting plate (42) is connected to the extension box (3); a floating plate (43) is provided in the extension box (3) above the mounting plate (42); a liquid level probe (44) is provided at the bottom of the floating plate (43); an output end of the liquid level probe (44) is electrically connected to an input end of a control panel; and a display screen is provided on the control panel.

6. A quantitative dosing device for a sewage treatment tank according to claim 5, characterized in that: The monitoring mechanism further comprises an alarm (13). The top of the dosing box (1) is provided with the alarm (13), and the input end of the alarm (13) is electrically connected to the output end of the control panel.

7. A quantitative dosing device for a sewage treatment tank according to claim 5, characterized in that: The floating plate (43) is provided with a guide hole, the connecting pipe (4) is provided by a hard straight pipe, and the floating plate (43) is slidably sleeved on the connecting pipe (4) through the guide hole.

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