Dosing device for sewage treatment

Abstract

The utility model discloses a dosing device for sewage treatment. The dosing device comprises a fixed frame, the pesticide storage barrel comprises a barrel body which can be horizontally and rotatably mounted on the fixing frame, and further comprises an end cover mounted on the fixing frame; the rotary joint is positioned at the bottom of the barrel body and is communicated with the interior of the barrel body; the lower end of the rotary joint is connected with a liquid supply pipe and a blow-off pipe; the metering pump is arranged on the fixing frame; the electric control box is arranged on the fixing frame; the stirring mechanism is arranged on the central axis of the pesticide storage barrel and comprises a stirring motor, a stirring rod and a stirring shaft; and the cleaning mechanism is used for cleaning the inner wall and the bottom of the barrel body and comprises a sliding groove formed in the end cover, a cleaning assembly used for scrubbing, a cleaning assembly driving mechanism used for driving the cleaning assembly to move and a barrel body rotating mechanism used for driving the barrel body to rotate. The dosing device with the design has a barrel body self-cleaning function, and is higher in cleaning efficiency and better in cleaning effect.

Description

Technical Field

[0001] The utility model relates to the field of sewage treatment, in particular to a dosing device for 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. Sewage treatment is widely used in various fields such as construction, agriculture, transportation, energy, petrochemicals, environmental protection, urban landscape, medical care, and catering, and is increasingly entering the daily lives of ordinary people. Many chemicals need to be added during the sewage treatment process, such as flocculants, pH adjusters, defoamers, disinfectants, etc. These chemicals are generally added through dosing devices.

[0003] The dosing device in the prior art does not have a self-cleaning function. As it is used, a large amount of drug residue will remain and accumulate on the inner wall and bottom of the drug storage barrel, which will corrode the drug storage barrel. At the same time, if a large amount of drug residue is not cleaned in time, it is easy to cause blockage in the pipeline. The existing manual cleaning method is time-consuming and labor-intensive, and the cleaning effect is not ideal. Utility Model Content

[0004] The utility model aims to provide a sewage treatment dosing device with a barrel self-cleaning function.

[0005] The purpose of the utility model is achieved as follows: a dosing device for sewage treatment, comprising a fixed frame; a medicine storage barrel, the medicine storage barrel comprises a barrel body mounted on the fixed frame horizontally and rotatably, and also comprises an end cover located at the upper end of the barrel body and fixedly mounted on the fixed frame; a feeding port is provided on the end cover; a rotary joint, the rotary joint is located at the bottom of the barrel body, and its upper end is connected to the inside of the barrel body; a liquid supply pipe and a sewage pipe are connected to the lower end of the rotary joint, and both the liquid supply pipe and the sewage pipe are provided with a switch valve; a metering pump, the metering pump is arranged on the fixed frame and is connected to the liquid supply pipe; an electric control box, the electric control box is arranged on the fixed frame; a stirring mechanism, the stirring mechanism is arranged on the central axis of the medicine storage barrel, and comprises a stirring motor, a stirring rod, and a stirring shaft; a cleaning mechanism, the cleaning mechanism is used to clean the inner wall and the bottom of the barrel body, and comprises a slide groove arranged on the end cover, and also comprises a cleaning assembly slidably mounted on the slide groove for brushing, and also comprises a cleaning assembly driving mechanism arranged on the end cover for driving the cleaning assembly to move, and also comprises a barrel body rotating mechanism for driving the barrel body to rotate.

[0006] Compared with the prior art, the beneficial effect of the utility model is that the dosing device provided by the utility model has a barrel self-cleaning function, and has higher cleaning efficiency and better cleaning effect. It can effectively clean the residual medicine on the inner wall and bottom of the medicine storage barrel, thereby ensuring the normal operation of the equipment and extending the service life of the equipment.

[0007] As a preferred embodiment of the present invention, the cleaning assembly includes a slide seat, which can be slidably mounted on a slide groove; a brush roller, which can be horizontally rotatably mounted on the slide seat; it includes an intermediate shaft and a brushing layer, the intermediate shaft is hollow and has a plurality of flushing holes distributed along its length direction; and a cleaning motor, which is arranged on the slide seat and is transmission-connected to the brush roller.

[0008] As a preferred solution of the present utility model, the above-mentioned cleaning component driving mechanism includes a fixed seat, which is fixed on the end cover and is provided with a sliding column that slides with the back of the slide seat, and a screw that threads with the back of the slide seat; a moving motor, which is arranged at one end of the fixed seat and is connected to the screw rod in a transmission manner.

[0009] As a preferred solution of the utility model, the barrel body rotating mechanism includes a gear ring arranged on the outer periphery of the lower end of the barrel body, and also includes a gear ring driving motor arranged on a fixed frame and drivingly connected to the gear ring.

[0010] Furthermore, the bottom of the barrel is provided with a plurality of guide wheels symmetrically distributed in the center. Such a design can strengthen the support of the barrel, reduce the force on the central part of the bottom of the barrel, thereby reducing wear and tear and extending the service life of the equipment.

[0011] Furthermore, a ladder is provided on one side of the fixing frame near the feeding port for operators to climb and add medicine. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model.

[0013] Figure 2 for Figure 1 A local enlarged schematic diagram of point A in the middle.

[0014] Figure 3 It is a schematic diagram of the top view of the end cover of the utility model.

[0015] Figure 4 It is a structural schematic diagram of the brush roller of the utility model.

[0016] Among them, 1 fixed frame, 2 barrel body, 3 end cover, 3a feeding port, 4 rotary joint, 5 liquid supply pipe, 6 sewage pipe, 7 switch valve, 8 metering pump, 9 electric control box, 10 stirring shaft, 11 stirring rod, 12 stirring motor, 13 slide, 14 slide seat, 15 brush roller, 15a intermediate shaft, 15b brush layer, 15c flushing hole, 16 cleaning motor, 17 fixed seat, 18 screw rod, 19 slide column, 20 mobile motor, 21 ring gear, 22 ring gear drive motor, 23 ladder, 24 guide wheel. DETAILED DESCRIPTION

[0017] The above and other technical features and advantages of the present invention are described in more detail below in conjunction with the accompanying drawings.

[0018] Combined with Figures 1 to 4 As shown, a dosing device for sewage treatment includes a fixed frame 1; a medicine storage barrel, the medicine storage barrel includes a barrel body 2 mounted on the fixed frame 1 in a horizontally rotatable manner, and also includes an end cover 3 located at the upper end of the barrel body 2 and fixedly mounted on the fixed frame 1; the end cover 3 is provided with a feeding port 3a; a rotary joint 4, the rotary joint 4 is located at the bottom of the barrel body 2, and its upper end is connected to the inside of the barrel body 2; the lower end of the rotary joint 4 is connected to a liquid supply pipe 5 and a sewage pipe 6, and the liquid supply pipe 5 and the sewage pipe 6 are both provided with a switch valve 7; a metering pump 8, the metering pump 8 is arranged on the fixed frame 1, And it is connected with the liquid supply pipe 5; an electric control box 9, which is arranged on the fixed frame 1; a stirring mechanism, which is arranged on the central axis of the medicine storage barrel, and includes a stirring motor 12, a stirring rod 11, and a stirring shaft 10; a cleaning mechanism, which is used to clean the inner wall and bottom of the barrel body, and includes a slide groove 13 arranged on the end cover 3, and also includes a cleaning component slidably mounted on the slide groove 13 for brushing, and also includes a cleaning component driving mechanism arranged on the end cover 3 for driving the cleaning component to move, and also includes a barrel body rotating mechanism for driving the barrel body 2 to rotate.

[0019] The cleaning assembly includes a slide 14, which is slidably mounted on the slide 13; a brush roller 15, which is horizontally rotatably mounted on the slide 14; it includes an intermediate shaft 15a and a scrubbing layer 15b, the intermediate shaft 15a is hollow and is provided with a plurality of flushing holes 15c distributed along its length; a cleaning motor 16, which is arranged on the slide 14 and is drivingly connected to the brush roller 15;

[0020] It should be noted that when flushing water is provided through the intermediate shaft 15a, a rotary joint is required to connect the water supply.

[0021] The cleaning assembly driving mechanism includes a fixed seat 17, which is fixed on the end cover 3 and is provided with a slide post 19 that is slidably matched with the back of the slide seat 14, and a screw rod 18 that is threadedly matched with the back of the slide seat 14; a moving motor 20, which is arranged at one end of the fixed seat 17 and is transmission-connected with the screw rod 18;

[0022] It should be noted that, as the moving motor 20 is started, the screw rod 18 rotates accordingly, and the slide 15 starts to move under the action of the screw rod 18 and the slide post 19, and the cleaning component arranged on the slide 14 also moves accordingly.

[0023] The barrel body rotating mechanism includes a gear ring 21 arranged on the outer periphery of the lower end of the barrel body 2 , and also includes a gear ring driving motor 22 arranged on the fixing frame 1 and drivingly connected to the gear ring 21 .

[0024] The bottom of the barrel body 2 is provided with a plurality of guide wheels 24 which are centrally and symmetrically distributed.

[0025] A ladder 23 is provided on one side of the fixing frame 1 close to the feeding port 3a for operators to climb and add medicine.

[0026] During operation, the medicine to be added is first called into the barrel body 2 from the feeding port 3a, and then the stirring motor 12 is started for stirring, and finally the stirred medicine is delivered out in a timely and quantitative manner through the metering pump 8; it should be noted that at this time, the switch valve 7 on the liquid supply pipe 5 is opened, and the switch valve 7 on the sewage pipe 6 is closed.

[0027] When cleaning,

[0028] First, open the switch valve 7 on the sewage pipe 6 to supply water to the intermediate shaft 15a, and start the cleaning motor 16 to rotate the brush roller 15;

[0029] After that, the ring gear drive motor 22 is started to drive the barrel body 2 to slowly rotate for an appropriate number of circles. As the barrel body 2 rotates, the brush roller 15 continuously brushes the inner wall of the barrel body 2, and the water sprayed from the flushing hole 15c also continuously flushes the inner wall of the barrel body 2;

[0030] Finally, the moving motor 20 is started, so that the cleaning assembly continuously moves along the chute 13 toward the central axis of the barrel body 2. As the cleaning assembly moves, the bottom of the brush roller 15 continuously brushes the bottom of the barrel body 2.

[0031] It should be noted that the flushed dirt is discharged from the drain pipe 6 along with the flushing water; while the cleaning component moves toward the central axis of the barrel body 2, the barrel body 2 is still rotating; after cleaning, the cleaning component needs to be moved back to the initial position, that is, the brush roller 15 is against the inner wall of the barrel body 2.

[0032] The present utility model is not limited to the above-mentioned embodiments. On the basis of the technical solution disclosed in the present utility model, technicians in this field can make some substitutions and deformations to some technical features therein according to the disclosed technical content without creative labor, and these substitutions and deformations are all within the protection scope of the present utility model.

Claims

1. A dosing device for sewage treatment, characterized in that: The dosing device comprises Fixed frame (1); A medicine storage barrel, the medicine storage barrel comprising a barrel body (2) mounted on a fixing frame (1) in a horizontally rotatable manner, and also comprising an end cover (3) located at the upper end of the barrel body (2) and fixedly mounted on the fixing frame (1); the end cover (3) is provided with a feeding port (3a); A rotary joint (4), the rotary joint (4) being located at the bottom of the barrel body (2), and the upper end of which is in communication with the interior of the barrel body (2); the lower end of the rotary joint (4) is connected to a liquid supply pipe (5) and a sewage discharge pipe (6), and the liquid supply pipe (5) and the sewage discharge pipe (6) are both provided with a switch valve (7); A metering pump (8), wherein the metering pump (8) is arranged on the fixed frame (1) and is connected to the liquid supply pipe (5); An electric control box (9), wherein the electric control box (9) is arranged on the fixing frame (1); A stirring mechanism, the stirring mechanism being arranged on the central axis of the medicine storage barrel, and comprising a stirring motor (12), a stirring rod (11), and a stirring shaft (10); A cleaning mechanism, the cleaning mechanism is used for cleaning the inner wall and bottom of a barrel body, and comprises a slide groove (13) arranged on an end cover (3), a cleaning component slidably mounted on the slide groove (13) and used for brushing, a cleaning component driving mechanism arranged on the end cover (3) and used for driving the cleaning component to move, and a barrel body rotating mechanism used for driving the barrel body (2) to rotate.

2. A dosing device for sewage treatment according to claim 1, characterized in that: The cleaning component comprises A slide seat (14), wherein the slide seat (14) is slidably mounted on the slide groove (13); A brush roller (15), the brush roller (15) is mounted on the slide seat (14) in a horizontally rotatable manner; the brush roller (15) comprises an intermediate shaft (15a) and a brushing layer (15b); the intermediate shaft (15a) is hollow and is provided with a plurality of flushing holes (15c) distributed along its length direction; A cleaning motor (16) is arranged on the slide seat (14) and is drivingly connected to the brush roller (15).

3. A dosing device for sewage treatment according to claim 2, characterized in that: The cleaning component driving mechanism comprises A fixed seat (17), wherein the fixed seat (17) is fixed on the end cover (3), and is provided with a slide post (19) that is slidably matched with the back of the slide seat (14), and is also provided with a screw rod (18) that is threadedly matched with the back of the slide seat (14); A movable motor (20) is arranged at one end of the fixed seat (17) and is transmission-connected to the screw rod (18).

4. A dosing device for sewage treatment according to claim 3, characterized in that: The barrel body rotating mechanism comprises a gear ring (21) arranged on the outer periphery of the lower end of the barrel body (2), and also comprises a gear ring driving motor (22) arranged on the fixing frame (1) and drivingly connected to the gear ring (21).

5. A dosing device for sewage treatment according to any one of claims 1 to 4, characterized in that: The bottom of the barrel body (2) is provided with a plurality of guide wheels (24) which are centrally and symmetrically distributed.

6. A dosing device for sewage treatment according to any one of claims 1 to 4, characterized in that: A ladder (23) is provided on one side of the fixing frame (1) close to the feeding port (3a) for operators to climb and add medicine.

Images