CN216336785U - Paint slag flocculating reagent mixing device - Google Patents

Abstract

The utility model discloses a paint slag flocculating reagent mixing device, which relates to the technical field of paint slag recovery treatment, and adopts the technical scheme that: the device comprises a mixing tank and a flocculation tank which are arranged in a treatment box, wherein the mixing tank is communicated with the flocculation tank through a first water guide pipe, and the flocculation tank is communicated with a treatment cavity through a second water guide pipe; the mixing tank is connected with a feeding pipe, a first stirring device is arranged inside the mixing tank, and a second stirring device is arranged inside the flocculation tank; be provided with reagent release in the flocculation tank, reagent release is including being the input tube that is from hindering and stretch to the flocculation tank bottom down, the intake pipe is connected to the upside of input tube, and the hybrid tube is connected to the downside of input tube, and the hybrid tube is used for the reagent input. The utility model can improve the uniformity of adding the chemicals and the reagents in the paint slag wastewater, thereby ensuring that the paint slag wastewater can stably generate flocculation effect and facilitating the recovery treatment of the paint slag.

Description

Paint slag flocculating reagent mixing device

Technical Field

The utility model relates to the technical field of paint slag recovery treatment, in particular to a paint slag flocculating reagent mixing device.

Background

The paint slag waste water is the largest pollutant in the paint spraying production process, and because a large amount of paint particles, dust, organic waste gas and other impurities are mixed in the paint spraying production process, the components of the waste water are complex and are quite unchanged during treatment, and the impurities in the waste water also have certain recycling value.

At present, a slag dragging system is generally adopted for treatment, wastewater treatment is carried out in a mode of combining chemical treatment, physical filtration and phosgene composite reaction, slag can be automatically discharged, water in paint slag is extruded out, and final paint slag is obtained. Drag for the sediment and go to and need carry out flocculation to lacquer sediment waste water, make the impurity in it form the flocculus to can handle more conveniently, but simply add the mode homogeneity that the reagent carries out the flocculation poor, probably produce local reagent too few and the poor condition of flocculation effect, influence the treatment effect of lacquer sediment waste water.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provides a paint slag flocculating reagent mixing device which can improve the uniformity of dosing and reagents in paint slag wastewater, so that the paint slag wastewater can be ensured to stably generate a flocculating effect, and the paint slag is convenient to recycle.

The technical purpose of the utility model is realized by the following technical scheme: a paint residue flocculating reagent mixing device comprises a mixing tank and a flocculating tank which are arranged in a treatment box, wherein the mixing tank is communicated with the flocculating tank through a first water guide pipe, and the flocculating tank is communicated with a treatment cavity through a second water guide pipe; the mixing tank is connected with a feeding pipe, a first stirring device is arranged inside the mixing tank, and a second stirring device is arranged inside the flocculation tank; be provided with reagent release in the flocculation tank, reagent release is including being the input tube that is from hindering and stretch to the flocculation tank bottom down, the intake pipe is connected to the upside of input tube, and the hybrid tube is connected to the downside of input tube, and the hybrid tube is used for the reagent input.

The utility model is further arranged that a plurality of liquid outlet holes which are uniformly distributed are arranged on the end cover at the lower end of the input tube.

The utility model is further provided that the two stirring devices are located at the lower end position of the input pipe.

The utility model is further arranged that the upper end of the first water guide pipe is positioned at the upper layer of the mixing tank, and the lower end of the first water guide pipe extends into the lower layer of the first flocculation tank; the upper end of the second water guide pipe is positioned on the upper layer of the flocculation tank, and the lower end of the second water guide pipe extends into the lower layer of the treatment cavity.

The utility model is further arranged in such a way that the inner side of the lower end of the input pipe is sleeved with a first necking pipe with a small middle and large two ends, and the first necking pipe is provided with a first through hole; the two ends of the first necking pipe are sealed with the inner wall of the input pipe, a mixing cavity is formed between the first necking pipe and the input pipe, and the mixing cavity is communicated with the mixing pipe.

The utility model is further provided that a mixing cover is sleeved on the periphery of the mixing cavity, a mixing hole for communicating the mixing cover and the mixing cavity is arranged on the input pipe, and the mixing pipe is connected to the outer side of the mixing cover.

The utility model is further arranged in such a way that the first through hole is arranged on the peripheral wall of the upper side of the first necking pipe, the adjusting plug is arranged close to the upper position on the inner side of the first necking pipe, and the lower side of the adjusting plug is of a circular truncated cone structure and can be adjusted up and down.

The utility model is further provided that the upper end of the adjusting plug is connected with a connecting rod, the upper part of the flocculation tank is provided with an equipment bin, a supporting plate driven up and down by a lifting rod is arranged in the equipment bin, and the upper end of the connecting rod extends into the equipment bin and is connected with the supporting plate.

In conclusion, the utility model has the following beneficial effects:

in the flocculation process of the paint slag wastewater, reagents in the flocculation tank can be uniformly dispersed, so that the reagents can be uniformly mixed in the wastewater, and the wastewater is treated by air bubbles and stirring; then can also increase the buoyancy of flocculus through the bubble after the flocculation, make it float in the surface of flocculation groove, be convenient for get rid of from the mouth of pipe department of upside to make waste residue recovery processing convenient more high-efficient.

Drawings

FIG. 1 is a schematic view of the structure of a treatment tank of the present invention;

FIG. 2 is a schematic structural view of a mixing tank and a flocculation tank of the present invention;

FIG. 3 is a schematic view of the structure of the reagent delivering device of the present invention;

fig. 4 is a schematic view of the structure inside the equipment bin of the present invention.

Reference numerals: 1. a treatment tank; 2. a mixing tank; 3. a flocculation tank; 4. a treatment chamber; 5. a flow-through void; 6. a packing assembly; 7. a feed tube; 8. a water guide pipe I; 9. a second water guide pipe; 11. a first stirring device; 12. a reagent delivery device; 13. an adjusting plug; 15. an air inlet pipe; 16. an equipment bin; 17. a tapered groove; 18. a slag discharge pipe; 19. a second stirring device; 20. an input tube; 21. a necking pipe I; 22. a first through hole; 23. a flared end; 24. a liquid outlet hole; 25. a mixing chamber; 26. a mixing hole; 27. a mixing hood; 28. a mixing tube; 29. a connecting rod; 30. a support plate; 32. a lifting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment discloses a paint residue flocculating agent mixing device, which comprises a mixing tank 2 and a flocculating tank 3 which are arranged side by side as shown in figures 1-4, wherein the mixing tank 2 and the flocculating tank 3 are positioned at the upper positions in a treatment cavity 4 of a treatment box 1; the treatment box 1 is arranged in the whole paint slag treatment system and is matched with various facilities such as a slag pressing device, a paint slag storage device and the like for use;

by adding reagents related to flocculation into the mixing tank 2 and the flocculation tank 3 respectively, for example, AB type flocculation is adopted, different reagents can be heated into the mixing tank 2 and the flocculation tank 3 respectively, so that the paint residues can be flocculated; or a single flocculating agent can be adopted, an acid-base reagent is added into the mixing tank 2 to adjust the proper pH value of the sewage, and then a flocculating agent is added into the flocculating tank 3 to flocculate the sewage.

The mixing tank 2 is connected with a feeding pipe 7, and a first stirring device 11 is arranged inside the mixing tank 2; the feeding pipe 7 can add reagents into the mixing tank 2, and then the sewage in the mixing tank 2 can be fully stirred through the first stirring device 11 to form a uniform mixing state; through 8 intercommunications of aqueduct between mixing tank 2 and flocculation vat 3, the upper end of this aqueduct 8 is located the upper strata of mixing tank 2, and the lower extreme stretches into the lower floor of flocculation vat 3 one for the mixed water on mixing tank 2 upper strata can enter into flocculation vat 3 and work as well.

A reagent release device 12 is arranged in the flocculation tank 3, and the reagent release device 12 can input other reagents required in the flocculation process into the flocculation tank 3, so that paint residues in the sewage can form flocculation; a second stirring device 19 is arranged in the flocculation tank 3 for stirring; in the flocculation process, bubbles are used, so that gas can be fully and uniformly mixed in the reagents, the flocculation efficiency can be improved, the buoyancy of flocculated matters can be increased, and the flocculated matters can stably move to the upper layer of the flocculation tank 3 in the flocculation tank 3;

the flocculation tank 3 is communicated with the treatment cavity 4 through a second water guide pipe 9, the upper end of the second water guide pipe 9 is positioned on the upper layer of the flocculation tank 3, an upward open structure is formed, and floccules floating upwards after flocculation in the flocculation tank 3 can flow into the treatment cavity 4 from the second water guide pipe 9; and the lower end of the second water guide pipe 9 extends into the lower layer of the treatment cavity 4.

A plurality of filling components 6 with holes are arranged in the treatment cavity 4, and the filling components 6 can block the floccules so that the floccules can be gathered in the middle of the treatment cavity 4; and the bottom of the processing cavity 4 is provided with tapered grooves 17 which are continuously arranged to form a downward sunken structure; after long-time treatment, a large number of flocculent liners can be gathered at the lower layer of the treatment cavity 4, the bottom of the conical groove 17 is connected with a slag discharge pipe 18, and paint slag impurities in the conical groove 17 can be discharged from the slag discharge pipe 18, so that subsequent paint slag extrusion drying treatment is facilitated.

The circulating gap 5 is formed between the lower side of the filler assembly 6 and the upper sides of the conical grooves 17, so that floccules near the upper sides of the conical grooves 17 can circulate among the conical grooves 17 to a certain degree, and floccules with edges among the conical grooves 17 can be uniformly dispersed, so that the floccules can be uniformly and stably kept in the subsequent slag discharging process from the slag discharging pipe 18, and the discharging efficiency of paint slag is improved.

In the flocculation tank 3, the required reagents are added through the reagent release device 12; the reagent releasing device 12 is provided with an input pipe 20, and the input pipe 20 extends downwards to the bottom of the flocculation tank 3 in a self-injuring way; the upper side of the input pipe 20 is connected with an air inlet pipe 15, the air inlet pipe 15 is connected with an external air source, and high-pressure air can be conveyed from the input pipe 20 and is output from the lower end of the input pipe 20;

the inner side of the lower end of the input pipe 20 is sleeved with a small-middle large-end necking pipe 21, the necking pipe 21 is provided with a through hole 22, when high-pressure gas passes through the necking pipe 21, negative pressure is generated, and a negative pressure effect towards the inside of the necking pipe 21 is formed at the through hole 22;

the two ends of the first reducing pipe 21 are sealed with the inner wall of the input pipe 20, and an annular mixing cavity 25 is formed between the first reducing pipe 21 and the input pipe 20; an annular mixing cover 27 is sleeved on the periphery of the mixing cavity 25, and a mixing hole 26 for communicating the mixing cover 27 and the mixing cavity 25 is formed in the pipe wall of the corresponding position of the input pipe 20; a mixing tube 28 connected to the mixing cap 27, and a reagent adding device connected to the other end of the mixing tube 28, so that a desired reagent can be supplied from the mixing tube 28 into the mixing cap 27; the reagent can be uniformly mixed by the negative pressure generated when the high-pressure gas flows through the first necking pipe 21, and the reagent is mixed with water at the flared end 23 at the lower side of the first necking pipe 21 to form a dispersed foamy structure, and the reagent is uniformly adhered to the vicinity of the outer side of the foam;

the lower end of the input tube 20 is sealed by an end cover, and the end cover is provided with liquid outlet holes 24 which are uniformly and densely distributed and used for flowing out the reagent; the uniformly mixed reagent is input from the lowest end of the input pipe 20 and can be further divided into smaller bubbles through the tiny liquid outlet holes 24, so that the reagent input from the lower end of the input pipe 20 can be more dispersed, flocculation of paint residues is increased, partial bubbles are attached to the inner part or the surface of flocs under the influence of micro-bubbles in the flocculation process, and the air floatation effect of the flocs is increased; and most of the bubbles will rise directly, and form an upward flow in the flocculation tank 3, and will further drive the flocculate to rise, and finally flow out from the opening at the upper end of the water guide pipe II 9, and enter the treatment cavity 4 for further separation treatment.

In order to increase the mixing uniformity of the reagent and the bubbles in the input pipe 20, the through hole one 22 on the necking pipe one 21 is arranged on the peripheral wall of the upper side of the necking pipe one 21 close to the minimum diameter of the necking pipe one 21, so that the negative pressure generated by the necking pipe one 21 to the through hole one 22 can be ensured, the reagent can be kept to have a certain flow path length in the input pipe 20, and the mixing uniformity of the reagent and the bubble water is increased;

an adjusting plug 13 can be arranged at the upper position close to the inner side of the first necking pipe 21, and the lower side of the adjusting plug 13 is of a circular truncated cone structure and can be adjusted up and down; in the adjusting process, the gap between the peripheral surface of the lower side of the adjusting plug 13 and the inner periphery of the first necking pipe 21 is adjusted, so that the distribution efficiency of the reagent is adjusted according to the negative pressure generated at the first through hole 22 when the gas flows through the first necking pipe 21; the adjusting plug 13 is adjusted upwards, the gap is enlarged, the negative pressure at the first through hole 22 is reduced, the outflow speed of the reagent is reduced, and the reagent can be mixed in more air, so that the reagent is more dispersed and is suitable for the operating environment needing slow flocculation; adjust stopper 13 down regulation, the clearance will be dwindled, adsorbs to the negative pressure of reagent will increase to can increase the volume of the reagent of input lower extreme input, the earlier medicine that generally is applicable to the flocculation, thereby through a large amount of reagent reactions, at flocculation vat 3 when the preliminary flocculation of formation, form the basis of flocculation, then at the increase reagent of slow stability, carry out abundant flocculation operation to the lacquer sediment again.

The lifting adjustment of the adjusting plug 13 is controlled by an equipment bin 16 at the upper part of the flocculation tank 3; the upper end of the adjusting groove is connected with a connecting rod 29, and the connecting rod 29 extends into the equipment bin 16; a supporting plate 30 which can be adjusted in a vertical sliding mode is installed in the equipment bin 16, the supporting plate 30 is driven to ascend and descend through a lifting rod 32, and the upper end of the connecting rod 29 is fixedly installed on the supporting plate 30, so that synchronous ascending and descending actions of the connecting rod 29 and the adjusting plug 13 can be formed, and adjusting control of the adjusting plug 13 can be achieved.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims (8)

1. The paint slag flocculating reagent mixing device is characterized by comprising a mixing tank (2) and a flocculating tank (3) which are arranged in a treatment box (1), wherein the mixing tank (2) is communicated with the flocculating tank (3) through a first water guide pipe (8), and the flocculating tank (3) is communicated with a treatment cavity (4) through a second water guide pipe (9); the mixing tank (2) is connected with a feeding pipe (7), a first stirring device (11) is arranged inside the mixing tank (2), and a second stirring device (19) is arranged inside the flocculation tank (3); be provided with reagent release (12) in flocculation groove (3), reagent release (12) are including being input tube (20) that top-down extends flocculation groove (3) bottom, intake pipe (15) are connected to the upside of input tube (20), and mixing tube (28) are connected to the downside of input tube (20), and mixing tube (28) are used for the reagent input.

2. The paint slag flocculating reagent mixing device as claimed in claim 1, characterized in that a plurality of evenly distributed liquid outlet holes (24) are arranged on the end cover at the lower end of the input pipe (20).

3. The paint slag flocculating agent mixing device according to claim 2, characterized in that the second stirring device (19) is positioned at the lower end of the input pipe (20).

4. The paint slag flocculating reagent mixing device as claimed in claim 2, characterized in that the upper end of the first water guide pipe (8) is positioned at the upper layer of the mixing tank (2), and the lower end thereof extends into the lower layer of the first flocculation tank (3); the upper end of the second water guide pipe (9) is positioned on the upper layer of the flocculation tank (3), and the lower end of the second water guide pipe extends into the lower layer of the treatment cavity (4).

5. The paint slag flocculating reagent mixing device as claimed in claim 4, characterized in that the inner side of the lower end of the input pipe (20) is sleeved with a first reducing pipe (21) with a small middle and large two ends, and the first reducing pipe (21) is provided with a first through hole (22); the two ends of the first necking pipe (21) are sealed with the inner wall of the input pipe (20), a mixing cavity (25) is formed between the first necking pipe (21) and the input pipe (20), and the mixing cavity (25) is communicated with the mixing pipe (28).

6. The paint residue flocculating agent mixing device according to claim 5, wherein a mixing cover (27) is sleeved on the outer periphery of the mixing cavity (25), a mixing hole (26) communicating the mixing cover (27) and the mixing cavity (25) is formed in the input pipe (20), and the mixing pipe (28) is connected to the outer side of the mixing cover (27).

7. The paint residue flocculating reagent mixing device as claimed in claim 5, wherein the first through hole (22) is arranged on the peripheral wall of the upper side of the first necking pipe (21), the adjusting plug (13) is arranged at the upper position of the inner side of the first necking pipe (21), and the lower side of the adjusting plug (13) is of a round table structure and can be adjusted up and down.

8. The paint slag flocculating reagent mixing device according to claim 7, characterized in that the upper end of the regulating plug (13) is connected with a connecting rod (29), the upper part of the flocculation tank (3) is provided with an equipment bin (16), a supporting plate (30) driven up and down by a lifting rod (32) is arranged in the equipment bin (16), and the upper end of the connecting rod (29) extends into the equipment bin (16) and is connected with the supporting plate (30).

Images