CN215403288U - Dosing device for water treatment flocculation - Google Patents

Abstract

The utility model provides a dosing device for flocculation in water treatment, which comprises a mixing barrel, wherein a premixing assembly for primary mixing is arranged above the mixing barrel, the premixing assembly comprises a premixing box and liquid feeding pipes respectively arranged at two sides of the premixing box, a liquid leakage pipe connected with the top of the mixing barrel is arranged at the bottom of the premixing box, a stirring assembly for secondary mixing is arranged in the mixing barrel, the stirring assembly comprises a stirring rod rotatably connected with the mixing barrel, the stirring rod is vertically arranged, the top end of the stirring rod is connected with a motor, a first blade is arranged on the stirring rod, and a liquid outlet pipe for discharging liquid is arranged at the bottom of the mixing barrel. The utility model mixes the mixed liquid for the second time through the premixing component and the stirring component, and has the advantages of uniform mixing, good effect and low cost.

Description

Dosing device for water treatment flocculation

Technical Field

The utility model belongs to the technical field of water treatment, and particularly relates to a dosing device for flocculation in water treatment.

Background

The waste water treatment is to treat waste water by physical, chemical and biological methods, so that the waste water is purified, pollution is reduced, and water resources for waste water recovery, reuse and full utilization are achieved.

In the prior art, a dosing device is usually mixed by a manual stirrer, so that the stirring effect is poor, the mixing degree is low, and the labor cost is high; for example, patent No. CN108046390A discloses a chemical-adding and stirring treatment device for sewage, which introduces water and chemicals through a water inlet pipe and a chemical inlet pipe, and then stirs and mixes the mixture of sewage and chemicals in a stirring tank by the up-and-down reciprocating motion of a first stirring blade, and discharges the precipitate after chemical addition and flocculation through a flocculation discharge pipe, and discharges the flocculated clean water through a drainage pipe. However, in the patent, the sewage and the solid medicament are directly introduced into the stirring device, the medicament needs a long time to be dissolved, and the bottom of the stirring cylinder is easy to generate precipitates, so that the cleaning is inconvenient, and the effect of subsequent water treatment is influenced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a dosing device for water treatment flocculation, which solves the problems of poor stirring effect, low mixing degree and high labor cost of the existing dosing device.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a dosing device for water treatment flocculation, includes the mixing drum, the top of mixing drum is equipped with the subassembly in advance that is used for once mixing, the subassembly in advance is including mixing the box in advance and locating the liquid feeding pipe of mixing the box both sides in advance respectively, the bottom of mixing the box in advance is equipped with the weeping pipe that links to each other with the mixing drum top, be equipped with the stirring subassembly that is used for the secondary to mix in the mixing drum, the stirring subassembly includes the puddler of being connected with the mixing drum rotation, the puddler is vertical to be placed and its top even has the motor, be equipped with first blade on the puddler, the bottom of mixing drum is equipped with the drain pipe that is used for the flowing back.

Further, the inlet of the liquid feeding pipe is funnel-shaped.

Further, the export of liquid feeding pipe is equipped with the guide plate, the guide plate is the arc for the water conservancy diversion makes the feed liquor of both sides collect, mix.

Furthermore, an inverted V-shaped part is arranged below the guide plate, and liquid collected by the guide plate is separated.

Further, the first blade is spirally arranged around the stirring rod.

Further, the below of first blade is equipped with second blade and third blade, second blade level set up and with puddler fixed connection, third blade and second blade fixed connection and both mutually perpendicular.

Further, the third blade is provided with a flow guide opening.

Furthermore, a triangular plate is fixedly connected to the joint of the second blade and the third blade.

Further, the bottom of puddler even has the horizontal pole, the horizontal pole is equipped with the scraper blade to strike off the mixed liquid sediment of mixing drum diapire.

Further, the liquid outlet pipe is provided with a switch valve.

Compared with the prior art, the utility model has the beneficial effects that: through the cooperation that sets up box, liquid feeding pipe, weeping pipe, mixing drum and stirring subassembly in mixing in advance, make flocculating agent and water enter into the box in mixing in advance through the liquid feeding pipe of both sides, preliminary mixing is carried out at the box in advance, enters into the mixing drum through the weeping pipe in, carries out the secondary and mixes, mixes flocculating agent and water through twice, through the stirring of stirring subassembly, further improves mixing effect, and the puddler adopts motor drive, need not manual stirring.

Drawings

FIG. 1 is an external view of the present invention;

FIG. 2 is a structural cross-sectional view of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1. the mixing device comprises a mixing cylinder, 11, a liquid outlet pipe, 12, a switch valve, 13, a supporting leg, 21, a liquid leakage pipe, 22, a premixing box, 23, a liquid feeding pipe, 24, a guide plate, 25, an inverted V-shaped part, 31, a motor, 32, a stirring rod, 33, a first blade, 321, a cross rod, 322, a scraper blade, 341, a second blade, 342, a third blade, 343, a triangular plate, 344 and a diversion port.

Detailed Description

The present invention is further described in detail below with reference to specific examples so that those skilled in the art can more clearly understand the present invention.

As shown in fig. 1-2, a dosing device for flocculation in water treatment comprises a mixing cylinder 1, a premixing assembly for primary mixing is arranged above the mixing cylinder 1, the premixing assembly comprises a premixing box 22 and liquid feeding pipes 23 respectively arranged at two sides of the premixing box 22, a liquid leakage pipe 21 connected with the top of the mixing cylinder 1 is arranged at the bottom of the premixing box 22, a stirring assembly for secondary mixing is arranged in the mixing cylinder 1, the stirring assembly comprises a stirring rod 32 rotatably connected with the mixing cylinder 1, the stirring rod 32 is vertically arranged and the top end of the stirring rod is connected with a motor 31, a first blade 33 is arranged on the stirring rod 32, and a liquid outlet pipe 11 for liquid drainage is arranged at the bottom of the mixing cylinder 1.

Through setting up premixing box 22 and liquid feeding pipe 23, flocculating agent and water enter into premixing box 22 through the liquid feeding pipe 23 of both sides respectively, and preliminary mixing formation mixed liquid is carried out premixing box 22, and the bottom of premixing 22 sets up weeping pipe 21, and above-mentioned mixed liquid enters into through weeping pipe 21 and sets up in mixing drum 1 of premixing box 22 bottom, carries out the secondary and mixes, still be equipped with in the mixing drum with motor 31 driven stirring subassembly to mixed liquid stirring, mixed liquid after the stirring is discharged through the drain pipe of seting up in mixing drum 1's bottom, mixes flocculating agent and water through twice to adopt the stirring of stirring subassembly, improved mixed effect, the high human cost of manual stirring has been avoided to the mode of adopting motor 31 drive stirring subassembly.

In the above embodiment, three support legs 13 are fixed at the bottom of the mixing drum 1 for supporting the mixing drum 1.

In a preferred embodiment, the inlet of the filler tube 23 is funnel-shaped to facilitate feeding.

In a preferred embodiment, a guide plate 24 is arranged at the outlet of the liquid feeding pipe 23, and the guide plate 24 is arc-shaped and is guided by a guide plate 24, so that the inlet liquids at two sides are converged and mixed.

In the preferred embodiment, an inverted V-shaped portion 25 is provided below the baffle plate 24, and the mixed liquid is collected by the baffle plate 24, separated at the top of the inverted V-shaped portion 25, and then mixed again in the weep pipe 21, thereby increasing the number of times of mixing and improving the premixing effect.

The first blades 31 are spirally arranged around the stirring rod 32, specifically, the first blades 31 are spirally arranged from top to bottom from the top end of the stirring rod 32, and in the rotating process of the stirring rod 32, the spirally arranged first blades 31 can stir mixed liquid and can also generate downward thrust to accelerate the feeding speed.

In a preferred embodiment, in order to increase the contact area between the stirring assembly and the mixed liquid, a second blade 341 and a third blade 342 are disposed below the first blade 31, the second blade 341 is horizontally disposed and fixedly connected to the stirring rod 32, the third blade 342 is fixedly connected to the second blade 341 and perpendicular to the second blade 341, and the second blade 341 and the third blade 342 can stir the mixed liquid, thereby assisting the stirring, increasing the contact area between the stirring assembly and the mixed liquid, and improving the mixing efficiency.

In a more preferred embodiment, the third blade 342 has a flow guide opening 344 therethrough, the flow guide opening 344 can separate a plurality of flow directions, and the mixed liquid passes through the flow guide opening 344 and then flows to be dispersed, so that the mixed liquid is uniformly mixed, and the mixing efficiency is improved.

In order to further improve the contact area between the stirring assembly and the mixed liquid, a triangular plate 343 is fixedly connected to the joint of the second blade 341 and the third blade 342, and the triangular plate 343 can contact the mixed liquid to improve the contact area between the stirring assembly and the mixed liquid, thereby improving the mixing efficiency and improving the connection stability between the second blade 341 and the third blade 342.

In preferred embodiment, the bottom of puddler 32 even has horizontal pole 321, horizontal pole 321 is equipped with scraper blade 322, and the mixed liquid can produce the sediment at the flocculation in-process, through the mixed liquid sediment of setting up the horizontal pole 321 that has scraper blade 322 with the clearance mixing drum 1 diapire in the bottom of puddler 32, prevents that it from influencing subsequent water treatment effect.

In a preferred embodiment, the liquid outlet pipe 11 is provided with a switch valve 12, the mixing time of the mixed liquid in the mixing cylinder 1 is prolonged by closing the switch valve 12, and the switch valve 12 is opened to discharge the mixed liquid after the mixed liquid is fully mixed.

The working principle is as follows: when the mixer is used, the motor 31 is started, a flocculating agent and water are added into the premixing box 22 through the liquid adding pipes 23 on two sides of the premixing box 22, the flocculating agent and the water collide with each other through the guide plate 24 to achieve a mixing effect, then the collided liquid is separated through the inverted V-shaped part 25 below the guide plate 24 and then is remixed at the liquid leakage pipe 21, the mixed liquid enters the mixing cylinder 1 through the liquid leakage pipe 21, the motor 31 drives the first blade 33, the second blade 341 and the third blade 342 on the stirring rod 32 to secondarily stir the mixed liquid, the mixing effect is improved, the scraper 322 at the bottom of the stirring rod 32 can scrape precipitates, the mixing effect is further improved, and after the mixing is finished, the switch valve 12 is opened, and the mixed liquid is discharged through the liquid outlet pipe 11.

The mechanisms, components and parts of the present invention which are not described in detail are all the existing structures which exist in the prior art. Can be purchased directly from the market.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a dosing device for water treatment flocculation, its characterized in that, includes mixing drum (1), the top of mixing drum (1) is equipped with the subassembly of premixing that is used for once mixing, the subassembly of premixing includes premixing box (22) and liquid feeding pipe (23) of locating premixing box (22) both sides respectively, the bottom of premixing box (22) is equipped with weeping pipe (21) that link to each other with mixing drum (1) top, be equipped with the stirring subassembly that is used for the secondary to mix in mixing drum (1), the stirring subassembly includes puddler (32) of being connected with mixing drum (1) rotation, puddler (32) are vertical to be placed and its top even have motor (31), be equipped with first blade (33) on puddler (32), the bottom of mixing drum (1) is equipped with drain pipe (11) that are used for the flowing back.

2. The dosing device for flocculation in water treatment according to claim 1, wherein the inlet of the filling pipe (23) is funnel-shaped.

3. The dosing device for flocculation in water treatment according to claim 1, wherein a guide plate (24) is arranged at the outlet of the liquid feeding pipe (23), and the guide plate (24) is arc-shaped and used for guiding flow so as to collect the feed liquid at two sides.

4. The dosing device for flocculation in water treatment according to claim 3, wherein an inverted V-shaped part (25) is arranged below the guide plate (24) to separate the liquid collected by the guide plate.

5. The dosing device for flocculation in water treatment according to claim 1, wherein the first blade (33) is arranged helically around the agitator shaft (32).

6. The dosing device for flocculation in water treatment according to claim 1, wherein a second blade (341) and a third blade (342) are arranged below the first blade (33), the second blade (341) is horizontally arranged and fixedly connected with the stirring rod (32), and the third blade (342) is fixedly connected with the second blade (341) and perpendicular to the second blade.

7. The dosing device for flocculation in water treatment according to claim 6, wherein the third blade (342) is provided with a flow guide opening (344) therethrough.

8. The dosing device for flocculation in water treatment according to claim 6, wherein a triangular plate (343) is fixedly connected to the joint of the second blade (341) and the third blade (342).

9. The dosing device for flocculation in water treatment according to claim 1, wherein a cross bar (321) is connected to the bottom end of the stirring rod (32), and the cross bar is provided with a scraper (322) to scrape off the mixed liquid sediment on the bottom wall of the mixing drum (1).

10. A dosing device for flocculation in water treatment according to claim 1, wherein said outlet pipe (11) is provided with a switch valve (12).

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