CN219136388U

CN219136388U - Water-based building coating wastewater decolorization device

Info

Publication number: CN219136388U
Application number: CN202223513447.8U
Authority: CN
Inventors: 张现立; 张建波; 冯利刚
Original assignee: Hebei Xingtai Aode Chemical Coating Co ltd
Current assignee: Hebei Xingtai Aode Chemical Coating Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-06-06
Anticipated expiration: 2032-12-28

Abstract

The utility model relates to the technical field of paint wastewater treatment, in particular to a water-based building paint wastewater decoloring device, which comprises: a tank body; the first rotating shaft is rotatably arranged in the tank body, a plurality of stirring blades are arranged on the first rotating shaft, the first rotating shaft is of a hollow structure, the upper end of the first rotating shaft is communicated with an air outlet pipe of the air pump through a rotary joint, a plurality of connecting pipes communicated with the first rotating shaft are arranged on the first rotating shaft, a plurality of air outlet holes are formed in each connecting pipe, a gear is arranged at the end part of the first rotating shaft penetrating through the top of the tank body, two racks arranged in moving frames on two sides of the gear are matched with the gear and are connected with the translation assembly, and when the gear is meshed with one rack, the gear is separated from the other rack; the filter tank is internally provided with a filter plate, the bottom of the tank body is communicated with the top of the filter tank, and a scraping assembly is further arranged in the filter tank. The utility model solves the problems that the mixing efficiency of the medicament and the wastewater is poor and the filter plate cannot be cleaned in time in the prior art.

Description

Water-based building coating wastewater decolorization device

Technical Field

The utility model relates to the technical field of paint wastewater treatment, in particular to a water-based building paint wastewater decoloring device.

Background

Water is used as solvent or water paint is used as water paint, which can protect and decorate building, and the building paint has rich amount to produce great amount of waste water with pigment, solvent, filming matter, etc. and needs decolorizing treatment for reuse.

When the wastewater is treated, the medicament is required to be added and fully mixed with the wastewater, and the conventional wastewater decolorization device adopts a stirring mode that a stirring shaft rotates in one direction, so that the mixing effect of the medicament and the wastewater is poor, the wastewater decolorization time is increased, and the treatment efficiency is reduced; on the other hand, the medicament and the wastewater are mixed and then coagulated to generate floccules and other impurities, and if the filter plate is not cleaned timely, the filter holes can be blocked, so that the filtering efficiency is reduced, and the practicability is low.

Disclosure of Invention

In view of the above, the utility model provides a water-based architectural coating wastewater decolorizer, which aims to solve the problems that the mixing efficiency of a medicament and wastewater is poor and a filter plate cannot be cleaned in time in the prior art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

an aqueous architectural coating wastewater decolorization apparatus comprising:

the top of the tank body is provided with a first liquid inlet;

the first rotating shaft is rotatably arranged in the tank body, a plurality of stirring blades are arranged on the first rotating shaft, the first rotating shaft is of a hollow structure, the upper end of the first rotating shaft is communicated with an air outlet pipe of the air pump through a rotary joint, a plurality of connecting pipes communicated with the first rotating shaft are arranged on the first rotating shaft, a plurality of air outlet holes are arranged on each connecting pipe,

the gear is arranged at the end part of the first rotating shaft penetrating through the top of the tank body,

the movable frame is of a frame type structure, two racks arranged in the movable frame at two sides of the gear are matched with the gear, the movable frame horizontally reciprocates under the drive of the translation assembly, and when the gear is meshed with one rack, the gear is not meshed with the other rack; and

the filter tank is internally provided with a filter plate, a first liquid outlet at the bottom of the tank body is communicated with a second liquid inlet at the top of the filter tank through a pipeline, and a scraping component for cleaning the filter plate is further arranged in the filter tank.

A further improvement of the present utility model is that the translation assembly comprises:

the driving plate is arranged at the power output end of the first motor, and a driving rod is eccentrically arranged on the driving plate;

the mounting plate is arranged on one side of the movable frame, and a long slot hole arranged on the mounting plate is connected with the deflector rod in a sliding manner and is matched with the deflector rod; and

the two guide rails are respectively arranged at two sides of the moving direction of the moving frame, and the two guide rails are respectively connected with the outer wall of the corresponding moving frame in a sliding manner and are matched with the outer wall of the moving frame.

The utility model is further improved in that the filter plate is obliquely arranged in the filter box, and a slag outlet is arranged on the filter box at the high end of the filter plate.

The utility model further improves that the scraping component comprises:

the two second rotating shafts are respectively arranged at two ends of the filter box above the filter plate at intervals and in a rotatable mode, chain wheels are arranged at two ends of each second rotating shaft, and one second rotating shaft rotates under the drive of a second motor;

the two chains are respectively arranged at two ends of the second rotating shaft and are respectively meshed with the chain wheels at the corresponding ends of the two second rotating shafts; and

and the plurality of scrapers are matched with the upper surface of the filter plate, each chain is connected with the corresponding end parts of the plurality of scrapers, and when two chains run, impurities can be conveyed to the slag hole through the plurality of scrapers.

The utility model further improves that the filter plate also comprises a liquid distributor arranged between the second liquid inlet and the filter plate, and the liquid distributor is arranged at one side of the lower end of the filter plate.

The utility model further improves that the liquid distributor comprises a water collecting cavity which is transversely arranged and a plurality of water outlet tanks which are uniformly distributed along the length direction of the water collecting cavity.

A further development of the utility model is that the tap hole is arranged obliquely downwards.

A further improvement of the utility model is that the bottom of the tank is conical.

A further development of the utility model consists in that the end of the scraper close to the filter plate is coated with a rubber coating.

By adopting the technical scheme, the utility model has the following technical progress:

the utility model provides a water-based building coating wastewater decoloring device, wherein a tank body is provided with a stirring mechanism, and stirring blades on a first rotating shaft are used for fully mixing and stirring wastewater in the tank body and a medicament, so that the mixing effect is good, and gas is filled into the wastewater to mix oxygen in air with the wastewater, so that the aeration degree of the wastewater is increased, and the wastewater decoloring effect and efficiency are improved; and when filtering the impurity in the waste water, can in time clear up the impurity on the filter plate through scraping the material subassembly, prevent that the filter plate from blockking up, guaranteed that filtration efficiency is not influenced.

The technical progress is mainly realized by the following detailed technical improvements:

in the rabbling mechanism, translation subassembly drives and removes the horizontal reciprocating motion of frame, makes the gear and remove two racks on the frame and can make the gear produce positive and negative rotation in turn, and the gear drives first epaxial stirring vane of pivot and fully stirs waste water and medicament to let in the air in to first pivot through the air pump, increase the aeration degree of waste water, make the abundant reaction of waste water and medicament, it is better to the decoloration treatment effect of waste water.

The waste water to be filtered is introduced into the filter tank, and falls onto the filter plate after falling on the liquid separator, the second motor drives a plurality of scrapers through two second rotating shafts and chain wheels and chains arranged on the second rotating shafts to convey impurities on the filter plate to a slag hole, so that the impurities filtered by the filter plate can be conveniently and efficiently cleaned, the filter plate is prevented from being blocked, the waste water is further filtered, and the filtering efficiency is high.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic view of the general structure of a decoloring device according to the present utility model;

FIG. 2 is a schematic structural view of the stirring mechanism according to the present utility model;

FIG. 3 is a schematic view of the enlarged partial structure of the portion A shown in FIG. 2 according to the present utility model;

FIG. 4 is a schematic view of the internal structure of the filter box according to the present utility model;

FIG. 5 is a schematic view of the structure of the dispenser according to the utility model;

reference numerals illustrate:

the device comprises a 10-tank body, 11-first liquid inlets, 12-first liquid outlets, 20-stirring mechanisms, 21-first rotating shafts, 22-stirring blades, 23-air pumps, 231-air outlets, 24-rotating joints, 25-connecting pipes, 251-air outlet holes, 26-gears, 27-moving frames, 28-racks, 291-first motors, 292-driving plates, 293-deflector rods, 294-mounting plates, 295-slotted holes, 296-guide rails, 30-filter boxes, 31-filter plates, 32-pipelines, 33-slag outlets, 34-scraping components, 341-second rotating shafts, 342-chain wheels, 343-second motors, 344-scraping plates, 35-liquid distributors, 351-water collecting cavities, 352-water outlet tanks and 36-second liquid outlets.

Detailed Description

Technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it should be apparent that in the following description, specific details are set forth such as the specific system structure, technology, etc. for the purpose of illustration rather than limitation, in order to provide a thorough understanding of the embodiments of the present utility model. It will be apparent, however, to one skilled in the art that the present utility model may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present utility model with unnecessary detail.

The utility model provides a water-based building coating wastewater decolorization device, which is known from the accompanying drawings 1-5 of the specification, and comprises: the top of the tank body 10 is provided with a first liquid inlet 11; the stirring mechanism 20 is arranged in the tank body 10 and is used for mixing wastewater and medicaments in the tank body 10, the stirring mechanism 20 comprises a first rotating shaft 21 which is rotatably arranged in the tank body 10, a plurality of stirring blades 22 are arranged on the first rotating shaft 21, the stirring blades 22 are turbine blades, the effect of mixing the wastewater and the medicaments can be better realized, the first rotating shaft 21 is of a hollow structure, the upper end of the first rotating shaft 21 is communicated with an air outlet pipe 231 of an air pump 23 through a rotary joint 24, a plurality of connecting pipes 25 communicated with the air outlet pipe are arranged on the first rotating shaft 21, a plurality of air outlet holes 251 are arranged on each connecting pipe 25, a gear 26 is arranged at the end part of the first rotating shaft 21 penetrating through the top of the tank body 10, a movable frame 27 is of a frame structure, two racks 28 arranged in the movable frames 27 at two sides of the gear 26 are matched with the gear 26, the movable frames 27 are driven by a translation assembly to reciprocate horizontally, and when the gear 26 is meshed with one rack 28, the other racks 28 are not meshed with the other racks 28; the filter tank 30 is internally provided with a filter plate 31, the first liquid outlet 12 at the bottom of the tank body 10 is communicated with the second liquid inlet at the top of the filter tank 30 through a pipeline 32, and a scraping assembly 34 for cleaning the filter plate 31 is further arranged in the filter tank 30.

The waste water enters from the first liquid inlet 11 at the top of the tank body 10, and can be independently placed into the medicine inlet on the tank body 10, or can enter from the first liquid inlet 11. By providing the stirring mechanism 20 in the tank 10, the wastewater and the chemical are sufficiently stirred to be sufficiently reacted. In the stirring mechanism 20, the translation assembly drives the movable frame 27 to horizontally reciprocate, so that the gear 26 and the two racks 28 on the movable frame 27 can make the gear 26 rotate in a positive-negative alternating manner.

Therefore, the gear 26 can drive the stirring blade 22 on the first rotating shaft 21 to stir the wastewater and the chemical, and compared with the single-shaft unidirectional stirring mode, the chemical and the wastewater can be uniformly mixed and react more fully. And air is introduced into the first rotating shaft 21 through the air pump 23, so that the air enters the tank body 10 from the air outlet 251 on the connecting pipe 25, the aeration degree of the wastewater is increased, the reaction effect of the wastewater and the medicament is better, and the decoloring treatment effect of the wastewater is better. During the reaction, floccules are generated in the wastewater and impurities contained in the wastewater need to be filtered, the wastewater is introduced into the filter box 30 through the pipeline 32, filtered by the filter plate 31, and then the wastewater can be reused and discharged from the second liquid outlet 36 at the bottom of the filter box 30.

As an example, as can be seen from fig. 2 to fig. 3 of the specification, the translation assembly comprises: a driving plate 292 is arranged at the power output end of the first motor 291, and a deflector rod 293 is eccentrically arranged on the driving plate 292; the mounting plate 294 is arranged on one side of the movable frame 27, and a long slotted hole 295 arranged on the mounting plate 294 is connected with the deflector rod 293 in a sliding manner and is matched with the deflector rod; the two guide rails 296 are respectively disposed at two sides of the moving direction of the moving frame 27, and the sliding grooves on the two guide rails 296 are respectively slidably connected and adapted to the outer walls of the corresponding moving frames 27.

The first motor 291 drives the driving plate 292 to rotate, so that the driving rod 293 slides in the long slot 295 and rotates, and the moving frame 27 horizontally reciprocates under the guiding action of the two guide rails 296. When the movable frame 27 moves in one direction, the gear 26 is respectively meshed with the two racks 28, so that the steering direction of the gear 26 is changed, and the positive and negative alternate rotation is generated; when the movable frame 27 is driven by the translation assembly to move in the opposite direction, the gear 26 is meshed with the corresponding rack 28, and the steering is changed. Therefore, the forward and reverse alternate rotation of the first rotating shaft 21 can be realized, and the translation assembly is simple and reliable in structure and convenient to operate.

In this embodiment, as can be seen from fig. 4 of the specification, the filter plate 31 is disposed obliquely in the filter box 30, and the filter box 30 at the high end of the filter plate 31 is provided with a slag hole 33. After the waste water is filtered by the filter plate 31, impurities can be discharged from the slag outlet 33 through the scraping assembly 34. The slag outlet 33 is arranged at the high end, so that redundant waste water can be prevented from flowing out of the slag outlet 33.

As an example, as can be seen in fig. 4 of the specification, the scraping assembly 34 includes: two second rotating shafts 341 are respectively arranged at intervals and rotatably at two ends of the filter box 30 above the filter plate 31, two ends of each second rotating shaft 341 are provided with chain wheels 342, and one second rotating shaft 341 is driven by a second motor 343 to rotate; two chains are respectively arranged at two ends of the second rotating shaft 341, and are respectively meshed with chain wheels 342 at corresponding ends of the two second rotating shafts 341; the plurality of scrapers 344 are adapted to the upper surface of the filter plate 31, and each of the chains is connected to the corresponding end portions of the plurality of scrapers 344, so that impurities can be transferred to the slag hole 33 through the plurality of scrapers 344 when the two chains are operated.

The second motor 343 drives one of the second rotating shafts 341 to rotate, and drives the other second rotating shaft 341 and the chain wheel 342 thereon to rotate through the chain wheel 342 and the chain arranged on the second rotating shaft 341, a plurality of scrapers 344 connected on the chain are adapted to the upper surface of the filter plate 31, when the two chains run, the scrapers 344 can be driven to advance, and the impurities on the filter plate 31 are continuously conveyed to the slag outlet 33, so that the impurities filtered by the filter plate 31 can be conveniently and efficiently cleaned, the filter plate 31 is prevented from being blocked, the waste water is further filtered, and the filtering efficiency is high.

As an example, as shown in fig. 4 to 5 of the drawings, the separator 35 is disposed between the second inlet and the filter plate 31, and the separator 35 is disposed at a side of a lower end of the filter plate 31. The dispenser 35 includes a water collecting chamber 351 transversely provided, and a plurality of water outlet grooves 352 uniformly distributed along the length direction of the water collecting chamber 351. The waste water falls into the water collecting cavity 351, and the water collecting cavity 351 is dispersed into each water outlet groove 352, and then falls onto the filter plate 31, so that the waste water can uniformly fall onto the filter plate 31, and the waste water filtering efficiency is improved.

In this embodiment, the tapping hole 33 is inclined downward as shown in fig. 4. The impurity can be conveniently conveyed better, and the impurity can not splash.

As an example, as shown in fig. 2 of the drawings, the bottom of the tank 10 is tapered, and the bottommost part of the tank 10 is communicated with the pipeline 32, so that the circulation efficiency of the wastewater is improved, and the residue in the tank 10 is prevented.

In this embodiment, the end of the wiper 344 that is adjacent to the filter plate 31 is coated with a rubber coating. Reducing wear to the scraper 344 and the filter plates 31, a brush may also be provided directly below the scraper 344.

It should be noted that in this patent application, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus, does not include, without limitation, additional elements that are defined by the term "include" an.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and are intended to be included in the scope of the present utility model.

Claims

1. A water-based architectural coating wastewater decolorization apparatus, comprising:

the top of the tank body is provided with a first liquid inlet;

2. The apparatus for decolorizing aqueous architectural coating waste water according to claim 1, wherein the translating assembly comprises:

3. The device for decoloring aqueous architectural coating wastewater according to claim 1, wherein the filter plate is obliquely arranged in the filter box, and a slag hole is arranged on the filter box at the high end of the filter plate.

4. A water borne architectural coating wastewater decolorization apparatus according to claim 3 and wherein said scraping assembly comprises:

5. A water borne architectural coating wastewater decolorizer according to claim 3 and further comprising a separator disposed between said second inlet and said filter plate and disposed on a lower side of the filter plate.

6. The device for decolorizing aqueous architectural coating wastewater according to claim 5, wherein the dispenser comprises a water collecting chamber arranged transversely and a plurality of water outlet tanks uniformly distributed along the length direction of the water collecting chamber.

7. The apparatus for decolorizing aqueous architectural coating wastewater according to claim 4, wherein the slag notch is disposed obliquely downward.

8. A device for decolorizing aqueous architectural coating waste water according to any one of claims 1-7, wherein the bottom of the tank is tapered.

9. The apparatus of claim 4, wherein the end of said scraper adjacent to said filter plate is coated with a rubber coating.