CN211069789U - A sewage automatic dosing device - Google Patents

Abstract

The utility model discloses an automatic dosing device for sewage, which comprises a drug dissolving tank, a stirring device and a liquid dosing mechanism. The stirring device comprises a stirring motor, a stirring shaft and a stirring rod. The power output end of the stirring motor is connected to the The stirring shaft is connected by transmission, a sealing box is arranged on the upper part of the stirring shaft, a medicine feeding pipe is arranged on the sealing box, a first cavity is arranged in the stirring shaft, and a second cavity is arranged in the stirring rod , the stirring rod is provided with a dispersing hole; the liquid medicine adding mechanism includes a medicine liquid barrel, and the medicine liquid barrel is communicated with the medicine feeding pipe through a connecting pipe. In the utility model, an automatic dosing device is arranged between the two sewage treatment tanks, the sewage is sent into the dissolving tank through the sewage lifting pump, and the medicine is added into the dissolving tank through the liquid dosing mechanism, and the stirring shaft and the stirring rod are passed through the stirring shaft and the stirring rod. The stirring is uniform, which speeds up the stirring efficiency and saves time.

Description

A sewage automatic dosing device

technical field

The utility model relates to the field of sewage treatment, in particular to an automatic dosing device for sewage.

Background technique

Nowadays, sewage treatment mainly separates heavy metal ions and impurities from sewage by artificially adding drugs, and adjusts the pH value of the water to the normal range. As a result, the waste of medicine and sewage treatment cannot meet the requirements, and the efficiency of sewage treatment is reduced; and the medicine powder is directly put into the treatment tank, the water volume of the treatment tank is large, the solid powder is difficult to stir evenly, and it is easy to form agglomeration phenomenon, which cannot guarantee sufficient dispersion. Processing effect is low.

Utility model content

The purpose of the utility model is to provide an automatic dosing device for sewage in view of the above-mentioned deficiencies of the prior art.

In order to solve the above-mentioned problems, the technical scheme adopted by the present utility model is:

An automatic dosing device for sewage, comprising a drug dissolving tank, a stirring device and a liquid dosing mechanism, wherein the stirring device comprises a stirring motor arranged above the medicine dissolving tank and a stirring shaft arranged in the medicine dissolving box, The power output end of the stirring motor is drivingly connected with the stirring shaft, a stirring rod is arranged on the stirring shaft, a sealing box is arranged on the upper part of the stirring shaft, and the stirring shaft penetrates from the top of the sealing box to the bottom Passing out, the stirring shaft is rotatably connected to the sealing box through a bearing, the sealing box is provided with a medicine feeding pipe, the stirring shaft is provided with a first cavity, and the stirring shaft in the sealing box is provided with There is a medicine inlet, the stirring rod is provided with a second cavity, the stirring rod is provided with a dispersion hole, the medicine inlet is communicated with the first cavity through the medicine inlet, and the first The cavity is communicated with the second cavity, and the second cavity is communicated with the dispersing hole; the liquid medicine adding mechanism includes a medicine liquid bucket, and the medicine liquid bucket is connected with the medicine feeding pipe through a connecting pipe Pass.

Further, a solid dosing mechanism is also arranged above the dissolving box, and the solid dosing mechanism includes a dosing hopper, the lower end of the dosing hopper is provided with a dosing port, and a connection is slidably arranged in the dosing port. The upper end of the connecting rod is provided with a limit plate after passing through the top wall of the dosing port, a spring is sleeved on the connecting rod, one end of the spring is in contact with the limit plate, and the spring The other end of the connecting rod is in contact with the top wall of the dosing hopper, the lower end of the connecting rod is provided with a bottom cover that blocks the dosing port, the lower part of the bottom cover is provided with a fixed magnet, and the stirring shaft is provided with There is a fixed rod, one end of the fixed rod is fixedly connected with the stirring shaft, and the other end of the fixed rod is provided with a moving magnet. The fixed magnets attract each other.

Further, the bottom cover is of a circular truncated structure, and the circular truncated side wall of the bottom cover is in abutment with the dosing port.

Further, the connecting rod is provided with a feeding rod.

Further, the feeding lever is inclined downward.

Further, a medicinal liquid pump is provided on the connecting pipe.

Further, a flow meter is provided on the connecting pipe.

Further, the upper part of the medicine dissolving tank is connected with the sewage lifting pump through the sewage water inlet pipe, and the lower part of the medicine dissolving tank is connected with the sewage water outlet pipe.

The beneficial effects produced by the above technical solutions are:

The utility model is provided with an automatic dosing device between two sewage treatment tanks, the sewage is sent into the dissolving tank through the sewage lifting pump, and the medicinal liquid flows into the stirring shaft and the stirring rod through the connecting pipe, the medicine feeding pipe and the sealing box. In the cavity of the solid material, it is dispersed in the dissolving box through the dispersing hole, and stirred evenly by the stirring shaft and stirring rod, which accelerates the stirring efficiency and saves time; in the solid feeding mechanism, when the stirring shaft rotates, the moving magnet and the fixed magnet Attract and separate from each other, open and close the dosing port, effectively control the amount of dosing, ensure the full dissolution of the solid medicament, and improve the efficiency of sewage treatment. Dosing port problem.

Description of drawings

Fig. 1 is the structural representation of the present utility model;

FIG. 2 is a schematic structural diagram of another embodiment of the present invention.

In the figure: 1. Dissolving box; 2. Stirring motor; 3. Stirring shaft; 4. Stirring rod; 5. Sealing box; 6. Medicine feeding pipe; 7. First cavity; 8. Second cavity; 9 , dispersion hole; 10, liquid medicine barrel; 11, connecting pipe; 12, dosing bucket; 13, connecting rod; 14, limit plate; 15, spring; 16, bottom cover; 17, fixed magnet; 18, fixed rod ; 19, moving magnet; 20, feeding rod; 21, liquid medicine pump; 22, flow meter; 23, sewage inlet pipe; 24, sewage lifting pump; 25, sewage outlet pipe.

Detailed ways

The embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

As shown in FIG. 1, it is a specific embodiment of a sewage automatic dosing device of the present invention. The automatic dosing device is arranged between two sewage treatment tanks, and includes a drug dissolving tank 1, a stirring device and a liquid dosing mechanism. The stirring device includes a stirring motor 2 arranged above the medicine dissolving box 1 and a stirring shaft 3 arranged in the medicine dissolving box 1. The power output end of the stirring motor 2 is connected to the stirring shaft through a coupling. The shaft 3 is connected by transmission, the stirring shaft 3 is provided with a stirring rod 4, the upper part of the stirring shaft 3 is provided with a sealing box 5, and the sealing box 5 can be fixed together by the bracket for fixing the stirring motor 2. The top of the sealing box 5 penetrates into the bottom, and the stirring shaft 3 is connected with the sealing box 5 through bearings. The medicine feeding tube 6, the stirring shaft 3 is provided with a first cavity 7, the stirring shaft 3 in the sealing box 5 is provided with a medicine feeding port, and the stirring rod 4 is provided with a second cavity 8, The stirring rod 4 is provided with a dispersing hole 9, the medicine feeding tube 6 is communicated with the first cavity 7 through the medicine feeding port, and the first cavity 7 is communicated with the second cavity 8, so the The second cavity 8 is communicated with the dispersion hole 9; the liquid dosing mechanism includes a liquid medicine bucket 10, and the medicine liquid bucket 10 is communicated with the medicine feeding pipe 6 through a connecting pipe 11, and the connection The pipe 11 is provided with a liquid medicine pump 21, a flow meter 22 and a control valve.

Further, the upper part of the medicine dissolving tank 1 is connected with the sewage lifting pump 24 through the sewage water inlet pipe 23 , and the lower part of the medicine dissolving tank 1 is connected with the sewage water outlet pipe 25 .

Further, a controller is also included, and the control signal output end of the controller is electrically connected to the control ends of the stirring motor 2 , the liquid medicine pump 21 and the sewage lifting pump 24 .

When this embodiment is used, the sewage enters the dissolving tank 1 through the sewage lifting pump 24 , and the liquid in the liquid medicine tank 10 enters the first cavity 7 and the first cavity 7 of the stirring shaft 3 through the connecting pipe 11 , the medicine feeding pipe 6 and the sealing box 5 . The second cavity 8 of the stirring rod 4 finally enters the dissolving tank 1 through the dispersing hole 8 , and is quickly and uniformly mixed with the sewage under the stirring of the stirring rod 4 , and is discharged through the sewage outlet pipe 25 .

Preferably, as shown in FIG. 2 , which is another embodiment of the present invention, a solid dosing mechanism is also provided above the drug dissolving box 1 , and the solid dosing mechanism is fixedly arranged on one side of the stirring motor 2 . The dosing mechanism includes a dosing hopper 12, a dosing port is opened at the lower end of the dosing hopper 12, a connecting rod 13 is slidably arranged in the dosing port, and the upper end of the connecting rod 13 passes through the top of the dosing port A limit plate 14 is arranged behind the wall, a spring 15 is sleeved on the connecting rod 13 , one end of the spring 15 is in contact with the limit plate 14 , and the other end of the spring 15 is in contact with the dosing bucket 12 The top wall abuts, the lower end of the connecting rod 13 is provided with a bottom cover 16 for blocking the dosing port, the lower part of the bottom cover 16 is provided with a fixed magnet 17, and the stirring shaft 3 is provided with a fixed rod 18 , one end of the fixed rod 18 is fixedly connected with the stirring shaft 3, and the other end of the fixed rod 18 is provided with a moving magnet 19. When the moving magnet 19 rotates to the bottom of the dosing port, the moving magnet 19 attracts the fixed magnet 17 .

Preferably, the bottom cover 16 is a truncated cone-shaped structure, and the truncated side wall of the bottom cover 16 is in contact with the dosing port, and the truncated bottom cover 16 is convenient for the powder in the dosing hopper 12 to slide down to dissolve the drug. in box 1.

Preferably, the connecting rod 13 is provided with a feeding rod 20, and the feeding rod 20 is inclined downward, so that the feeding port will not be blocked during the dispensing process.

When this embodiment is used, when the moving magnet 19 rotates to the bottom of the medicine feeding port, the moving magnet 19 attracts the fixed magnet 17, the connecting rod 13 slides down, and the medicine feeding port is opened. Under the action, the solid medicine falls into the medicine dissolving box 1, is stirred and dissolved by the stirring rod 4, quickly and evenly mixes with the sewage, and is discharged through the sewage outlet pipe 25. After the moving magnet 19 is rotated to the dislocation of the fixed magnet 17, the connecting rod 13 is in Under the action of the spring 15, it slides upward, and the bottom cover 16 closes the dosing port. During the rotation of the stirring shaft 3, the dosing port is continuously opened and closed, which can effectively control the amount of dosing, ensure the full dissolution of the solid drug, and improve the efficiency of sewage treatment. .

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, but not to limit them; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions in the embodiments of the present invention. .

Claims (8)

1. The sewage automatic dosing device is characterized by comprising a medicine dissolving box (1), a stirring device and a liquid dosing mechanism, wherein the stirring device comprises a stirring motor (2) arranged above the medicine dissolving box (1) and a stirring shaft (3) arranged in the medicine dissolving box (1), the power output end of the stirring motor (2) is in transmission connection with the stirring shaft (3), a stirring rod (4) is arranged on the stirring shaft (3), a seal box (5) is arranged on the upper part of the stirring shaft (3), the stirring shaft (3) penetrates from the top to the bottom of the seal box (5) and penetrates out, the stirring shaft (3) is in rotation connection with the seal box (5) through a bearing, a medicine inlet pipe (6) is arranged on the seal box (5), a first cavity (7) is arranged in the stirring shaft (3), a medicine inlet is formed in the stirring shaft (3) in the seal box (5), a second cavity (8) is formed in the stirring rod (4), dispersion holes (9) are formed in the stirring rod (4), the medicine inlet pipe (6) is communicated with the first cavity (7) through a medicine inlet, the first cavity (7) is communicated with the second cavity (8), and the second cavity (8) is communicated with the dispersion holes (9); the liquid dosing mechanism comprises a liquid medicine barrel (10), and the liquid medicine barrel (10) is communicated with the liquid medicine inlet pipe (6) through a connecting pipe (11).

2. The automatic sewage dosing device according to claim 1, wherein a solid dosing mechanism is further arranged above the dissolving tank (1), the solid dosing mechanism comprises a dosing hopper (12), a dosing port is formed in the lower end of the dosing hopper (12), a connecting rod (13) is slidably arranged in the dosing port, a limiting plate (14) is arranged on the upper end of the connecting rod (13) after the upper wall of the dosing port is penetrated, a spring (15) is sleeved on the connecting rod (13), one end of the spring (15) is abutted against the limiting plate (14), the other end of the spring (15) is abutted against the upper wall of the dosing hopper (12), a bottom cover (16) for plugging the dosing port is arranged at the lower end of the connecting rod (13), a fixed magnet (17) is arranged at the lower part of the bottom cover (16), a fixed rod (18) is arranged on the stirring shaft (3), one end of the fixed rod (18) is fixedly connected with the stirring shaft (3), the other end of the fixed rod (18) is provided with a moving magnet (19), and when the moving magnet (19) rotates to the position below the medicine adding port, the moving magnet (19) and the fixed magnet (17) are attracted.

3. The automatic sewage dosing device according to claim 2, wherein the bottom cover (16) is of a truncated cone structure, and the truncated cone-shaped side wall of the bottom cover (16) is abutted to the dosing port.

4. The automatic sewage dosing device according to claim 2, wherein a material poking rod (20) is arranged on the connecting rod (13).

5. The automatic sewage water dosing device according to claim 4, wherein the material stirring rod (20) is arranged in a downward inclined manner.

6. The automatic sewage dosing device according to claim 1, wherein a liquid medicine pump (21) is arranged on the connecting pipe (11).

7. The automatic chemical feeding device for sewage water as claimed in claim 1, wherein a flow meter (22) is arranged on the connecting pipe (11).

8. The automatic sewage dosing device according to claim 1, wherein the upper part of the dissolving tank (1) is connected with a sewage lift pump (24) through a sewage inlet pipe (23), and the lower part of the dissolving tank (1) is connected with a sewage outlet pipe (25).

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