CN113926625A

CN113926625A - Paint slag recovery device for spraying production

Info

Publication number: CN113926625A
Application number: CN202111311094.0A
Authority: CN
Inventors: 王猛; 王洪印; 李东玲
Original assignee: Zhejiang Zhean Machinery Manufacturing Co ltd
Current assignee: Zhejiang Zhean Machinery Manufacturing Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-01-14
Anticipated expiration: 2041-11-08
Also published as: CN113926625B

Abstract

The invention discloses a paint slag recovery device for spraying production, which relates to the technical field of paint slag recovery treatment, and the technical scheme is characterized in that: the device comprises a treatment box, wherein a mixing tank and a flocculation tank are arranged in a treatment cavity of the treatment box, a plurality of porous filler components are arranged in the treatment cavity, conical grooves which are continuously arranged are arranged at the bottom of the treatment cavity, and the bottom of each conical groove is connected with a slag discharge pipe; and a circulating gap is formed between the lower side of the packing component and the upper side of the conical groove. The invention can flocculate the paint slag, and flocculates small-particle paint slag impurities into converged impurities, thereby facilitating the recovery treatment of the paint slag.

Description

Paint slag recovery device for spraying production

Technical Field

The invention relates to the technical field of paint slag recovery treatment, in particular to a paint slag recovery device for spraying production.

Background

In a coating production system, a paint booth is the most important production equipment, and is mainly used for spraying paint and processing a workpiece to be processed to form a paint surface. In the production process, a large amount of paint slag is generated in the paint room, so that the influence of environmental pollution is caused, the paint slag has certain recycling value and can be randomly treated to generate resource waste, and the environment-friendly emission standard-reaching condition of the paint room is influenced.

However, for the traditional paint slag treatment mode, a reagent can only be added into the waste water of the paint slag to neutralize the pollution, and then the waste water is filtered by means of a filter screen and the like to obtain paint slag impurities; however, because the impurities in the paint slag are too fine, the filter screen is very easy to block in the filtering process, and the filter screen needs to be frequently replaced, so that the paint slag is inconvenient to recycle.

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

Disclosure of Invention

The invention aims to solve the problems and provides a paint slag recovery device for spraying production, which can flocculate paint slag and flocculate small-particle paint slag impurities into gathered impurities, so that the paint slag is convenient to recover.

The technical purpose of the invention is realized by the following technical scheme: a paint slag recovery device for spraying production comprises a treatment box, wherein a mixing tank and a flocculation tank are arranged in a treatment cavity of the treatment box, the mixing tank is communicated with the flocculation tank through a first water guide pipe, the upper end of the first water guide pipe is positioned on the upper layer of the mixing tank, and the lower end of the first water guide pipe extends into the lower layer of the flocculation tank; the flocculation tank is communicated with the treatment cavity through a second water guide pipe, 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 mixing tank is connected with a feeding pipe, and a first stirring device is arranged inside the mixing tank; a plurality of filling components with holes are arranged in the treatment cavity, tapered grooves which are continuously arranged are arranged at the bottom of the treatment cavity, and the bottom of each tapered groove is connected with a slag discharge pipe; and a circulating gap is formed between the lower side of the packing component and the upper side of the conical groove.

The invention is further provided that the packing assembly comprises a plurality of packing sheets, and the packing sheets are provided with continuous corrugated depressions and protrusions; several filler sheets are stacked to form a honeycomb structure.

The packing assembly further comprises a fixed plate and a movable plate which are parallel to each other and have adjustable intervals, a guide rod is arranged between the fixed plate and the movable plate, one end of the guide rod is fixed on the fixed plate, the other end of the guide rod penetrates through the movable plate and forms a sliding connection structure, and the guide rod penetrates through each layer of packing sheets; the movable plate is driven by the telescopic rod.

The invention is further set up in that the rear side of the said processing chamber sets up the vertical baffle, the said baffle divides the front and back both sides of the processing chamber into major main trough and minor separating tank, the upper and lower both sides of the said separating tank and main trough communicate, set up the spacer layer in the said main trough, the said spacer layer includes the honeycomb duct parallel and distributed towards main trough and separating tank direction, one end of the said honeycomb duct extends to the sidewall of the main trough, and form the oblique shunt tubes towards upper and lower both sides; the other end extends into the separation tank and is provided with a filter cover.

The invention is further arranged in such a way that one end of the flow guide pipe extending into the separation tank is connected with a second reducing pipe, the other end of the second reducing pipe is connected with a gas guide pipe, and a third through hole is formed in the second reducing pipe; the filter cover covers the outer side of the third through hole of the second necking pipe.

The invention is further arranged in that a reagent release device is arranged in the flocculation tank, the reagent release device comprises an input pipe which is self-damaged and extends to the bottom of the flocculation tank, the upper side of the input pipe is connected with an air inlet pipe, the inner side of the lower end of the input pipe is sleeved with a first necking pipe with a small middle and two large ends, and the first necking pipe is provided with a first through hole; the both ends of throat pipe one are sealed with the inner wall of input tube to form the hybrid chamber between throat pipe one and input tube, the hybrid cover is established to the periphery cover of hybrid chamber, set up the mixing hole of intercommunication hybrid cover and hybrid chamber on the input tube, the hybrid cover is connected the hybrid tube.

The invention 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 invention 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 invention 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.

The invention is further provided that the adjusting plug is connected to the connecting rod in an eccentric structure, the upper end of the connecting rod is axially and rotationally connected to the supporting plate in a limited manner, and the supporting plate is provided with a driving device for driving the connecting rod to rotate.

The invention is further provided with a cavity in the adjusting plug, a second through hole is formed in the periphery of the adjusting plug, and the cavity of the adjusting plug is connected with a liquid supplementing pipe.

The invention is further provided that one end of the liquid supplementing pipe extends into the cavity of the adjusting plug, and the periphery of the liquid supplementing pipe is provided with a plurality of liquid supplementing holes; set up the adjusting collar that is used for shutoff fluid infusion hole in the cavity, the periphery of fluid infusion pipe is located to the adjusting collar cover and is sealed through the sealing member, adjusting collar sliding connection is outside the fluid infusion pipe, the dog is fixed in the periphery of fluid infusion pipe, elastic connection has the spring between the inboard step face of dog and fluid infusion pipe.

The invention is further provided that the stirring device II comprises a hollow shaft, and the liquid supplementing pipe penetrates into the hollow shaft.

In conclusion, the invention has the following beneficial effects:

through the mixing tank and the flocculation tank, the sewage can be subjected to reagent mixing and paint slag impurity flocculation treatment, so that flocculent paint slag impurities can be formed, the paint slag in the wastewater can be conveniently recycled, and the paint slag treatment efficiency is improved; in addition, in the flocculation process, fine and dense micro bubbles are mixed in the reagent, so that the mixing uniformity of the paint slag sewage and the flocculation reagent can be increased, the flocculation efficiency of paint slag impurities is improved, and the paint slag impurities can float naturally after flocculation, thereby facilitating the subsequent treatment and recovery efficiency of the paint slag impurities.

Drawings

FIG. 1 is a schematic structural diagram of a paint slag recovery device for spray production according to the present invention;

FIG. 2 is a first schematic view of the structure of the treatment tank of the present invention;

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

FIG. 4 is a schematic view of the structure within the equipment cartridge of the present invention;

FIG. 5 is a schematic structural view of a second reagent delivery device according to the present invention;

FIG. 6 is a schematic view of the internal structure of the tuning plug of the present invention;

FIG. 7 is a second schematic view of the structure of the treatment tank of the present invention;

FIG. 8 is a schematic cross-sectional view of a treatment tank of the present invention;

fig. 9 is a schematic structural view of the packing assembly 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; 31. a drive device; 32. a lifting rod; 33. a liquid supplementing pipe; 34. a hollow shaft; 35. a cavity; 36. a second through hole; 37. a fluid replenishing hole; 38. a stopper; 39. an adjusting sleeve; 40. a spring; 50. a separation layer; 51. a flow guide pipe; 52. a partition plate; 53. a separation tank; 54. a necking pipe II; 55. a main tank; 56. a filter housing; 57. a shunt tube; 58. a bump; 59. an air duct; 60. a filler sheet; 61. a fixing plate; 62. a movable plate; 63. a guide bar; 64. a telescopic 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 slag recovery device for spraying production, which comprises a treatment box 1 as shown in figure 1, wherein the treatment box 1 is arranged in a whole paint slag treatment system and is matched with a slag pressing device, a paint slag storage device and other facilities for use;

as shown in FIG. 2, a mixing tank 2 and a flocculation tank 3 are arranged in parallel above a treatment chamber 4 of a treatment tank 1, and different reagents can be respectively heated in the mixing tank 2 and the flocculation tank 3 by respectively adding flocculation-related reagents into the mixing tank 2 and the flocculation tank 3, for example, AB type flocculation is adopted, so that 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; and through the bubbles in the flocculation process, the gas can be fully and uniformly mixed in the reagent, 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.

As shown in fig. 9, the packing assembly 6 is formed by combining a plurality of packing sheets 60, continuous corrugated depressions and protrusions are formed on the packing sheets 60, and the packing sheets 60 are stacked and bonded to form a honeycomb structure; the filler assembly 6 can be arranged in an adjustable structure, honeycomb meshes in the filler assembly 6 can be extruded in the adjusting process, so that floccules or other liners loaded in the filler assembly 6 can be extruded and shaken, the filler assembly can float upwards in a light weight manner in the moving process, and the filler assembly continues to deposit when the filler assembly is heavier;

a fixed plate 61 and a movable plate 62 are arranged on two sides of the packing assembly 6, the fixed plate 61 and the movable plate 62 are respectively fixed on the two outermost sides of each packing sheet 60, a guide rod 63 is arranged between the fixed plate 61 and the movable plate 62, one end of the guide rod 63 is fixed on the fixed plate 61, the other end of the guide rod 63 penetrates through the movable plate 62 and forms a sliding connection structure, and the guide rod 63 penetrates through each layer of packing sheets 60; the movable plate 62 is driven by the telescopic rod 64, and the telescopic rod 64 can extend and retract to push the movable plate 62 to move, so as to drive the change of the honeycomb meshes in the packing assembly 6.

As shown in fig. 2 and 3, in the flocculation tank 3, a required reagent is added through a 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 on the inner side of the first necking pipe 21, 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.

As shown in fig. 4, 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.

In order to increase the mixing effect of the adjusting plug 13 on the reagent in the first necking pipe 21, the adjusting plug 13 can be connected to the connecting rod 29 in an eccentric structure, and the axes of the two shafts are parallel but not collinear; the eccentric adjusting plug 13 can generate inconsistent pressure at the axial position of the inner side of the first necking pipe 21, so that certain collision impact is formed in the process that negative pressure adsorbs the first through hole 22, the impact among the reagent, the air bubbles and the water is intensified, and the liquid level of the water in the first necking pipe 21 is very low under the action of the pressure, so that the collision impact is generated between the liquid surface and the liquid level in the collision process, and the mixing effect of the reagent in the first necking pipe 21 is improved;

the upper end of the connecting rod 29 is axially and rotationally connected to the supporting plate 30 in a limited manner, a rotary driving device 31 can be arranged on the supporting plate 30, the connecting rod 29 is connected with the driving device 31 through a transmission assembly, and therefore the connecting rod 29 can be driven to axially rotate through the driving device 31; the connecting rod 29 drives and adjusts the rotation in the axial rotation process; because the eccentric state of adjusting stopper 13, at rotatory in-process, will produce different pressure variation condition between the axial position of throat pipe 21 and adjusting stopper 13 to can make reagent ejection of compact condition fluctuate, increase the mixed effect of reagent input back and air and moisture, thereby do benefit to the flocculation effect of subsequent reagent and sewage.

In order to increase the possibility of further rapid dispersion of the reagent after the reagent is input from the lower end of the input pipe 20, the second stirring device 19 is installed at the bottom of the flocculation tank 3 at the lower end of the input pipe 20, blades on the second stirring device 19 rotate to generate upward water flow, and the upward water flow impacts with the downward water flow in the input pipe 20, so that the dispersion of the reagent can be increased, and then the reagent is influenced by the upward water flow and upwards dispersed to the whole flocculation tank 3.

Example two

The embodiment discloses a paint slag recovery device for spraying production, which is described with reference to fig. 5 and 6 on the basis of the first embodiment; the adjusting plug 13 may be provided in a hollow structure, forming a cavity 35 therein; the lower end of the adjusting plug 13 is connected with a liquid supplementing pipe 33, and the periphery of the adjusting plug 13 is provided with a second through hole 36 communicated with the cavity 35, so that the same type or other types of reagents can be input into the adjusting plug 13 from the liquid supplementing pipe 33.

One end of the liquid supplementing pipe 33 extends into the cavity 35 of the adjusting plug 13, and the periphery of the liquid supplementing pipe is provided with a plurality of liquid supplementing holes 37; an adjusting sleeve 39 is sleeved on one end extending into the cavity 35, the adjusting sleeve 39 can block the liquid supplementing hole 37 on the liquid supplementing pipe 33, the position of the adjusting sleeve 39 can be changed through sliding, and therefore the position of the adjusting sleeve 39 for blocking the liquid supplementing hole 37 is adjusted; an annular stop block 38 is fixed on the periphery of the liquid supplementing pipe 33, a spring 40 is elastically connected between the stop block 38 and the inner step surface of the liquid supplementing pipe 33, and under the action of the spring 40, the adjusting sleeve 39 can be kept to seal all liquid supplementing holes 37; along with the increase of the pressure in the liquid supplementing pipe 33, the adjusting sleeve 39 can be pushed to slide upwards against the elastic force of the spring 40, and along with the upward movement of the adjusting sleeve 39, the liquid supplementing hole 37 on the liquid supplementing pipe 33 is opened, so that the reagent can be input into the cavity 35 from the liquid supplementing pipe 33 and then input into the necking pipe I21 from the through hole II 36 on the periphery of the cavity 35;

the reagents input from the first through hole 22 and the second through hole 36 collide with each other in the first necking pipe 21, so that the mixing uniformity of the reagents and the liquid state is improved, more air bubbles can be mixed into the reagents in the collision process, the mixing proportion requirement of multiple reagents can be met, and the mixing uniformity of the reagents can be improved in the single reagent mixing process.

The liquid supplementing pipe 33 can extend from the lower end of the input pipe 20, passes through the lower end cover of the input pipe 20 through the liquid supplementing pipe, then passes through the hollow shaft 34 of the second stirring device 19 downwards, extends downwards, is connected with an external reagent adding device, and can supplement the reagent into the adjusting plug 13.

EXAMPLE III

The embodiment discloses a paint slag recovery device for spraying production, which is explained by combining fig. 7 and 8 on the basis of the first embodiment and the second embodiment;

a vertical partition plate 52 can be installed at the rear side of the treatment chamber 4, the front side and the rear side of the treatment chamber 4 can be divided into a larger main tank 55 and a smaller separation tank 53 through the partition plate 52, and the partition plate 52 is shorter, so that the upper side and the lower side of the separation tank 53 and the main tank 55 are communicated; a separation layer 50 is arranged in the middle of the inside of the main tank 55, the separation layer 50 comprises a parallel guide pipe 51, the guide pipe 51 is arranged towards the main tank 55 and the separation tank 53, and the upper side and the lower side of the separation layer 50 are respectively filled with a filler assembly 6;

one end of the draft tube 51 extends to the side wall of the main tank 55 and forms a shunt tube 57 inclined toward the upper and lower sides; a convex bump 58 is formed on the side wall of the main groove 55 opposite to the shunt tube 57, and an arc-shaped flow guide surface is formed on the bump 58; the other end of the draft tube 51 extends into the separation tank 53 and is provided with a filter cover 56; the water flow can be pushed in the draft tube 51 through the power device, enters from the draft tube 51 at one end of the separation tank 53 and then flows out from the shunt tube 57 at the other end of the draft tube 51, and is respectively moved upwards and upwards by the arc-shaped flow guide surfaces on the bumps 58, so that the circular flow is respectively formed at the upper side and the lower side of the separation layer 50; wherein the heavier impurities will settle down and will be pushed mostly to the separation tank 53 side by the water flow movement at the lower side of the separation layer 50, while the lighter impurities will float up the mesh and will be pushed mostly to the separation tank 53 side by the water flow movement at the upper side (i.e. the upper layer of the liquid surface) of the separation layer 50 and enter the separation tank 53 from the upper side of the partition plate 52; so that the accumulation of impurities can be formed at the position of the separation tank 53; and because one end of the draft tube 51 sucks water from the separating tank 53, relatively stable impurity aggregation is formed on the periphery of the filter cover 56 on the draft tube 51, so that the aggregation condition of paint slag impurities can be improved, and the paint slag is convenient to collect and treat.

The diversion power of the diversion pipe 51 can be realized by the slurry arranged in the diversion pipe or provided by an external pipeline connected on the diversion pipe 51; for example, a second reducing pipe 54 may be connected to one end of the draft tube 51 extending into the separation tank 53, a gas guide tube 59 may be connected to the other end of the second reducing pipe 54, and a third through hole may be formed in the second reducing pipe 54; the filter cover 56 covers the outside of the third through hole of the second reducing pipe 54.

The air duct 59 is connected with an external air source, can input other high-speed flowing materials to the second reducing pipe 54 and the guide pipe 51, and can generate a certain negative pressure adsorption effect near the third through hole of the second reducing pipe 54 when the materials flow through the second reducing pipe 54; the sewage in the separation tank 53 can be sucked into the draft tube 51 again through negative pressure adsorption, and flows to the other end of the draft tube 51 along with the flow of the air flow, so that the movement of the water flow can be driven in the main tank 55; moreover, as the gas is adopted to drive the diversion, more bubbles can be input into the main groove 55; and can mix part of the flocculated reagent in the gas input from the gas-guide tube 59, thereby ensuring that the impurities in the treatment cavity 4 can be fully flocculated; then gather impurity in separating tank 53 among the cycle process, at gathering of impurity, static a period, impurity among separating tank 53 will sink to the relevant position of downside bell jar 17, then can discharge through scum pipe 18, then extrude drying to the lacquer sediment, realize the recovery processing of lacquer sediment.

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 invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The paint slag recovery device for spraying production is characterized by comprising a treatment box (1), wherein a mixing tank (2) and a flocculation tank (3) are arranged in a treatment cavity (4) of the treatment box (1), the mixing tank (2) is communicated with the flocculation tank (3) through a first water guide pipe (8), the upper end of the first water guide pipe (8) is positioned on the upper layer of the mixing tank (2), and the lower end of the first water guide pipe extends into the lower layer of 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), and the lower end of the second water guide pipe extends into the lower layer of the treatment cavity (4); the mixing tank (2) is connected with a feeding pipe (7), and a first stirring device (11) is arranged in the mixing tank (2); a plurality of filling components (6) with holes are arranged in the treatment cavity (4), tapered grooves (17) which are continuously arranged are arranged at the bottom of the treatment cavity (4), and the bottom of each tapered groove (17) is connected with a slag discharge pipe (18); and a flow gap (5) is formed between the lower side of the packing component (6) and the upper side of the conical groove (17).

2. The paint slag recycling device for spraying production according to claim 1, wherein the packing assembly (6) comprises a plurality of packing sheets (60), and the packing sheets (60) are provided with continuous corrugated depressions and protrusions; a plurality of filler sheets (60) are stacked to form a honeycomb structure.

3. The paint slag recovery device for spray production according to claim 2, wherein the packing assembly (6) further comprises a fixed plate (61) and a movable plate (62) which are parallel to each other and have an adjustable distance therebetween, a guide rod (63) is arranged between the fixed plate (61) and the movable plate (62), one end of the guide rod (63) is fixed on the fixed plate (61), the other end of the guide rod passes through the movable plate (62) and forms a sliding connection structure, and the guide rod (63) passes through each layer of packing sheets (60); the movable plate (62) is driven by a telescopic rod (64).

4. The paint slag recovery device for spray production according to claim 1, wherein a vertical partition plate (52) is arranged at the rear side of the treatment chamber (4), the partition plate (52) divides the front side and the rear side of the treatment chamber (4) into a larger main tank (55) and a smaller separation tank (53), the separation tank (53) is communicated with the upper side and the lower side of the main tank (55), a separation layer (50) is arranged in the main tank (55), the separation layer (50) comprises a guide pipe (51) which is parallel to and distributed towards the main tank (55) and the separation tank (53), one end of the guide pipe (51) extends to the side wall of the main tank (55) and forms a shunt pipe (57) which is inclined towards the upper side and the lower side; the other end extends into the separation groove (53) and is provided with a filter cover (56).

5. The paint slag recovery device for spray production according to claim 4, wherein one end of the draft tube (51) extending into the separation tank (53) is connected with a second reducing pipe (54), the other end of the second reducing pipe (54) is connected with a gas guide tube (59), and a third through hole is formed in the second reducing pipe (54); the filter cover (56) is covered on the outer side of the through hole III of the second necking pipe (54).

6. The paint slag recovery device for spray production according to claim 1, wherein a reagent release device (12) is arranged in the flocculation tank (3), the reagent release device (12) comprises an input pipe (20) which extends to the bottom of the flocculation tank (3) in a self-damaged manner, the upper side of the input pipe (20) is connected with an air inlet pipe (15), a first necking pipe (21) with a small middle part and two large ends is sleeved on the inner side of the lower end of the input pipe (20), and a first through hole (22) is formed in the first necking pipe (21); the inner wall of both ends and input tube (20) of throat pipe (21) is sealed to form hybrid chamber (25) between throat pipe (21) and input tube (20), hybrid cover (27) are established to the periphery cover of hybrid chamber (25), set up mixed hole (26) of intercommunication hybrid cover (27) and hybrid chamber (25) on input tube (20), hybrid pipe (28) are connected in hybrid cover (27).

7. The paint slag recovery device for spray production according to claim 6, wherein the end cover at the lower end of the input pipe (20) is provided with a plurality of uniformly distributed liquid outlet holes (24).

8. The paint slag recovery device for spray production according to claim 7, wherein the first through hole (22) is formed in the peripheral wall of the upper side of the first reducing pipe (21), the adjusting plug (13) is arranged on the inner side of the first reducing pipe (21) close to the upper position, and the lower side of the adjusting plug (13) is of a truncated cone structure and can be adjusted up and down.

9. The paint slag recovery device for spraying production according to claim 8, wherein the upper end of the adjusting 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).

10. Paint residue recovery device for spray production according to claim 9, characterized in that the adjusting plug (13) is connected to the connecting rod (29) in an eccentric configuration, the upper end of the connecting rod (29) is connected in an axially limited manner in a rotatable manner to a support plate (30), and the support plate (30) is provided with a drive means (31) for driving the connecting rod (29) in a rotatable manner.