CN216777983U - Decolorizing equipment - Google Patents

Abstract

The utility model discloses decoloring equipment, which relates to the field of water treatment production and comprises a cylinder, a first decoloring chamber, a second decoloring chamber, an inclined plate assembly and a clear liquid chamber, wherein the inclined plate assembly is arranged in the middle of the cylinder; still install the inlet pipe with first decoloration room lower extreme intercommunication on the barrel, and still install the tedge with clear solution room intercommunication on the barrel. The utility model has the advantages of reasonable and simple structure, large treatment capacity, high decoloring speed, low production cost and simple operation, and can not introduce chemical substances harmful to human health; meanwhile, the whiteness of the treated polyaluminium chloride solution is obviously improved.

Description

Decolorizing equipment

Technical Field

The utility model relates to the field of water treatment production, in particular to a decoloring device.

Background

Along with the continuous development of economy, the urbanization and industrialization rate is higher and higher, and the accompanying problems are that the production amount of waste water is large, the water body is polluted, the water quality is deteriorated, and the water resource which can be used as drinking water is more and more deficient, so under the background condition, the water body is recycled after being purified and treated to reach the standard, and the method is an effective method for solving the current predicament.

Polyaluminium chloride is used as an inorganic polymeric flocculant and widely applied to the field of industrial wastewater and domestic sewage treatment, and the flocculant produced by the polyaluminium chloride is large in flocculating constituent and high in precipitation rate under the condition of small dosage, so that the water treatment efficiency is improved. However, in the production process of the polyaluminium chloride, chromogenic groups of inorganic ions and organic matters, particularly heavy metal ions Fe are dissolved in the solution³⁺、Fe²⁺The product is light yellow, which limits the application range of the polyaluminium chloride. Therefore, the impurity removal and decoloration of the polyaluminium chloride are of great significance in water treatment.

Patent document No. CN 1624240 a discloses a method and a process for purifying and decoloring polyaluminium chloride solution used as a sizing precipitant for paper making, but the method and the process have small treatment capacity and are difficult to meet the production scale of the existing factory, and the precipitate in the decoloring reaction tank is difficult to clean, and the decolored solution needs to be filtered again, which increases the operation cost; meanwhile, patent document CN 112125380 a discloses a method for preparing white polyaluminium chloride, which is a method for producing solid polyaluminium chloride, and requires chemical raw materials such as polidocanol and chitosan, but these chemical raw materials may damage human health, cannot be used for drinking water treatment, and also increase production cost.

Therefore, a decoloring device which has the advantages of reasonable and simple structure, large treatment capacity, high decoloring speed, low production cost, simple operation and no introduction of chemicals harmful to human health is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide decoloring equipment which is reasonable and simple in structure, large in treatment capacity, high in decoloring speed, low in production cost and simple in operation, and chemical substances harmful to human health are not introduced; meanwhile, after the polyaluminium chloride solution is treated, the whiteness is obviously improved, the product is white, the polyaluminium chloride solution not only can be used as a drinking water treatment agent, but also can be used in the fields of papermaking sizing, glue filling, cosmetic additives, sugar-making decoloring clarifying agents and the like, and the application range of the polyaluminium chloride solution is expanded.

In order to realize the purpose of the utility model, the technical scheme is as follows: a decoloring device comprises a cylinder body, a first decoloring chamber, a second decoloring chamber, an inclined plate assembly and a clear liquid chamber, wherein the inclined plate assembly is arranged in the middle of the cylinder body, the clear liquid chamber is positioned between the outer wall of the inclined plate assembly and the inner wall of the cylinder body, the second decoloring chamber is positioned above the inclined plate assembly, the first decoloring chamber is positioned inside the inclined plate assembly, the upper end of the first decoloring chamber penetrates through the upper surface of the inclined plate assembly and extends into the second decoloring chamber, and decoloring fillers are arranged in the first decoloring chamber and the second decoloring chamber; still install the inlet pipe with first decoloration room lower extreme intercommunication on the barrel, and still install the tedge with clear solution room intercommunication on the barrel.

Furthermore, the center of the inclined plate component is provided with an annular partition, the inside of the partition is the first decolorizing chamber, and the inclined plate component is positioned outside the partition.

Furthermore, still install the second grid board in cutting off, the second grid board is located first decoloration room lower extreme, and the exit end of inlet pipe is located second grid board below.

Furthermore, the lower end of the partition is annular, and the outlet of the feeding pipe is tangent to the inner wall of the partition.

Furthermore, a plurality of fixed stop blocks are fixedly arranged on the inner wall of the partition, and the second grating plates are jointly arranged on the fixed stop blocks.

Furthermore, a first grating plate is further arranged above the inclined plate assembly.

Further, the inclined plate assembly comprises an upper connecting plate, a lower connecting plate and a plurality of inclined plates, the upper connecting plate and the lower connecting plate are respectively installed on the inner wall of the cylinder body, and the plurality of inclined plates are evenly distributed between the upper connecting plate and the lower connecting plate at intervals.

Further, the inclination of the inclined plate is 8-88 degrees.

Further, the inclination of the inclined plate is 65 °.

Furthermore, the ascending pipes are multiple and are arranged at intervals along the circumferential direction of the barrel.

Further, the upper portion of the cylinder body is further provided with an annular collecting weir, the outlet end of the ascending pipe is communicated with the inside of the annular collecting weir, and the annular collecting weir is further provided with a discharge hole.

Furthermore, a plurality of ascending pipes are communicated between the annular collecting weir and the middle part of the cylinder body.

Furthermore, the inner wall of the cylinder body is also provided with a reinforcing rib, and the upper end of the reinforcing rib supports the inclined plate assembly.

Furthermore, a drain outlet is also arranged at the bottom of the barrel body.

The utility model has the beneficial effects that:

(1) the utility model has the advantages of reasonable and simple structure, large treatment capacity, high decoloring speed, low production cost and simple operation, and can ensure that chemical substances harmful to human health are not introduced into the polyaluminium chloride solution in the decoloring process; meanwhile, after the polyaluminum chloride solution is treated, the whiteness is obviously improved, the product is white, the polyaluminum chloride solution not only can be used as a drinking water treatment agent, but also can be used in the fields of papermaking sizing, glue filling, cosmetic additives, sugar-making decoloring clarifying agents and the like, and the application range of the polyaluminum chloride solution is expanded.

(2) According to the utility model, the first decolorizing chamber and the second decolorizing chamber are provided with the decolorizing fillers, and the aluminum ball surfaces in the decolorizing fillers are uniformly provided with holes, so that the surface area of the decolorizing fillers is increased, the contact area with a polyaluminum chloride solution is increased, the disturbance of the solution is promoted, and the decolorizing efficiency is further improved.

(3) The inclined plate assembly is arranged, so that insoluble solid impurities in the polyaluminium chloride solution can be effectively removed, filter pressing treatment is not needed after decoloration, and the operation cost is saved.

(4) Through set up the drain in barrel bottom, can concentrate the collection back to insoluble solid impurity, regularly arrange the sediment again and handle, simplified the problem of arranging the sediment difficulty.

Drawings

FIG. 1 is a schematic view of a decoloring apparatus provided by the present invention;

fig. 2 is a cross-sectional view a-a of fig. 1.

Reference numbers and corresponding part names in the drawings:

1. the device comprises a cylinder body, 2, an inclined plate, 3, an inclined plate component, 4, an upper connecting plate, 5, a lower connecting plate, 6, a reinforcing rib, 7, a lower conical cylinder, 8, a partition, 9, a first decoloring chamber, 10, a second decoloring chamber, 11, decoloring filler, 12, a feeding cavity, 13, a first grating plate, 14, a second grating plate, 15, a fixed stop block, 16, an ascending pipe, 17, an annular collecting weir, 18, a discharging port, 19, a support lug, 20, a feeding pipe, 21, a feeding port, 22, a cylinder section, 23, a sewage draining port, 24 and a clear liquid chamber.

Detailed Description

The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.

As shown in fig. 1 and 2, the decoloring apparatus provided by the present invention includes a cylinder 1, a first decoloring chamber 9, a second decoloring chamber 10, a ramp assembly 2, and a clear liquid chamber. The cylinder body 1 is a shell of a decoloring device, the first decoloring chamber 9 is used for decoloring polyaluminium chloride solution for the first time, the second decoloring chamber 10 is used for decoloring the polyaluminium chloride solution after the first decoloring is completed for the second time, and the inclined plate assembly 2 is mainly used for accelerating deposition of insoluble solid impurities formed after the second decoloring and falling into the bottom of the cylinder body 1. The upper end of the cylinder body 1 can be opened or closed, the upper part of the cylinder body 1 is cylindrical, the lower end of the cylinder body 1 is provided with a conical lower cone cylinder 7, and the lower end of the lower cone cylinder 7 is provided with a cylinder section 22. The inclined plate component 2 is arranged in the middle of the cylinder body 1, the inclined plate component 2 is fixed on the inner wall of the cylinder body 1 through the upper end and the lower end, and after the inclined plate component 2 is arranged, an annular chamber is arranged between the outer wall of the inclined plate component 2 and the inner wall of the cylinder body 1, and the annular chamber is a clear liquid chamber 24; meanwhile, the inclined plate assembly 2 divides the interior of the cylinder 1 into an upper space and a lower space after installation, and the space above the inclined plate assembly 2 is the second decoloring chamber 10. First decoloration room 9 is located the interior of swash plate subassembly 2, and the upper end of first decoloration room 9 is higher than the upper surface of swash plate subassembly 2, makes the upper end of first decoloration room 9 be located second decoloration room 10, and just first decoloration room 9 upper end is and opens the form, makes the inside and the inside intercommunication of second decoloration room 10 of first decoloration room 9. Both the first decolorizing chamber 9 and the second decolorizing chamber 10 are provided with decolorizing fillers 11, and the decolorizing fillers 11 are mainly used for removing pollutants with turbidity, chroma, heavy metal ions, COD and the like in polyaluminium chloride liquid. Still be equipped with inlet pipe 20 on barrel 1, the entrance point of inlet pipe 20 runs through barrel 1 and outwards extends, and inlet port 21 is installed to the entrance point of inlet pipe 20, and the exit end of inlet pipe 20 communicates with first decoloration room 9 bottom, makes the aluminium polychlorid liquid accessible inlet pipe 20 send into first decoloration room 9 bottom. The cylinder 1 is also provided with a riser pipe 16, the inlet end of the riser pipe 16 is communicated with the interior of the clear liquid chamber 24, so that the polyaluminium chloride solution after decoloration and impurity removal can be discharged out of the cylinder 1 through the riser pipe 24, wherein the riser pipe 24 does not limit the outlet end to vertically extend upwards, and can also be only used for discharging the polyaluminium chloride solution after decoloration and impurity removal.

When the polyaluminium chloride solution needs to be decolored, the polyaluminium chloride liquid is conveyed to the bottom of the first decoloring chamber 9 through the feeding pipe 20, the liquid level of the polyaluminium chloride liquid in the first decoloring chamber 9 gradually rises along with the gradual increase of the polyaluminium chloride liquid in the first decoloring chamber 9, and the decoloration filler 11 in the first decoloring chamber 9 preliminarily removes pollutants such as turbidity, chromaticity, heavy metal ions, COD and the like in the polyaluminium chloride liquid while the liquid level of the polyaluminium chloride liquid rises, so that the primary decoloration is completed; along with the continuous rising of the liquid level of the polyaluminium chloride, the liquid of the polyaluminium chloride automatically overflows into the second decolorizing chamber 10 through the upper end of the first decolorizing chamber 9, the liquid of the polyaluminium chloride entering the second decolorizing chamber 10 removes pollutants such as turbidity, chromaticity, heavy metal ions, COD and the like in the polyaluminium chloride liquid through the decolorizing filler 11 in the second decolorizing chamber 10, the second decolorizing is completed, insoluble solid impurities which cannot be adsorbed by the filler in the polyaluminium chloride solution are accelerated to deposit on the inclined plate component 2 under the action of gravity, and when the insoluble solid impurities enriched on the inclined plate component 2 reach a certain degree, the insoluble solid impurities fall into the lower cone 7 and finally are collected into the barrel section 22 for periodic discharge; insoluble solid impurities which cannot be adsorbed by the decolorizing filler 11 in the polyaluminum chloride solution are accelerated to deposit on the inclined plate component 2 under the action of gravity and then directly fall into the lower conical cylinder 7 through self weight, so that a clear liquid chamber 24 is formed between the outer wall of the inclined plate component 2 and the inner wall of the cylinder body 1, the clear liquid chamber 24 is the polyaluminum chloride solution after decolorization and impurity removal, and the polyaluminum chloride solution after decolorization and impurity removal is discharged out of the cylinder body 1 through the riser 16.

In some embodiments, the center of the inclined plate assembly 2 is provided with an annular partition 8, the bottom of the partition 8 is closed, so that the bottom of the partition 8 forms a feeding cavity 12, the upper end of the partition 8 is open, the outer wall of the partition 8 is fixed with the inclined plate assembly 2, and the inside of the partition 8 is the first decolorizing chamber 9, where the annular partition 8 may refer to that the cross section of the partition 8 is annular, or may refer to that the cross section of the partition 8 is a closed ring formed by polygonal surrounding, when the cross section of the partition 8 is annular, the shape of the first decolorizing chamber 9 may be consistent with that of the barrel 1, the central axis of the first decolorizing chamber 9 may be on the same line with the central axis of the barrel 1, the central axis of the first decolorizing chamber 9 may also be offset from the central axis of the barrel 1, and the inclined plate assembly 2 is located outside the partition 8, so as to avoid the increase of the volume of the equipment due to the arrangement of the first decolorizing chamber 9, the structural arrangement of the first decolorizing chamber 9 is made simpler.

In some embodiments, a second grid plate 14 is further installed in the partition 8, the edge of the second grid plate 14 is fixed to the inner wall of the partition 8, the second grid plate 14 is located at the lower end of the first decolorizing chamber 9, and the decolorizing filler 11 in the first decolorizing chamber 9 is located above the second grid plate 14, so that the decolorizing filler 11 can be supported by the second grid plate 14; simultaneously, the exit end of inlet pipe 20 is located second grid plate 14 below, makes the exit end of inlet pipe 20 and the decoloration filler 11 in the first decoloration room 9 separately through second grid plate 14, effectively avoids the decoloration filler 11 in the first decoloration room 9 to enter into inlet pipe 20 in, avoids the inside decoloration filler 11 of inlet pipe 20 to block up, guarantees that the poly aluminium chloride liquid can normally enter into first decoloration room 9 in, makes the preliminary decoloration effect in the first decoloration room 9 obtain guaranteeing.

In some embodiments, cut off 8 lower extremes and be the ring form, the export of inlet pipe 20 is tangent with the feeding chamber 12 inner wall, is the whirl when making the polyaluminium chloride solution get into first decoloration room 9 in, effectively avoids the polyaluminium chloride solution to pack 11 impact to the decoloration when entering into first decoloration room 9, and the decoloration that makes in the first decoloration room 9 packs 11 ability is abundant to pollutant absorption such as turbidity, colourity, heavy metal ion, COD in the polyaluminium chloride solution to accomplish preliminary decoloration to the polyaluminium chloride solution.

In some embodiments, a plurality of fixed stoppers 15 are fixedly mounted on the inner wall of the partition 8, the fixed stoppers 15 are uniformly arranged along the circumferential direction of the partition 8 at intervals, the edges of the second grid plates 14 are fixedly mounted on the fixed stoppers 15, and the edges of the second grid plates 14 are attached to the inner wall of the partition 8, so that the second grid plates 14 are more conveniently mounted, the supporting force applied to the edges of the second grid plates 14 is more balanced, and the second grid plates 14 are more stably mounted. Here, the plurality of fixed stoppers 15 can also be replaced by a closed ring welded and fixed on the inner wall of the partition 8, and at this time, when the second grid plate 14 is installed, the edge of the second grid plate 14 is placed on the closed ring and then fixed by screws; meanwhile, the plurality of fixed stop blocks 15 can be replaced by supporting bars fixed inside the partition 8 in a crossed manner, when the second grating plate 14 is installed, the edge of the second grating plate 14 is attached to the inner wall of the partition 8, and the second grating plate 14 and the supporting bars are fixed through screws.

In some embodiments, a first grid plate 13 is further installed above the inclined plate assembly 2, the first grid plate 13 is fixed on the upper surface of the inclined plate assembly 2, and the first grid plate 13 is mainly used for isolating the decolorizing filler 11 in the second decolorizing chamber 10, so that the decolorizing filler 11 in the second decolorizing chamber 10 is effectively prevented from entering the inclined plate assembly 2, and the decolorizing effect of the polyaluminium chloride liquid in the second decolorizing chamber 10 is ensured.

In some embodiments, the inclined plate assembly 2 comprises an upper connecting plate 4, a lower connecting plate 5 and a plurality of inclined plates 3, the upper connecting plate 4 is parallel to the lower connecting plate 5, the upper connecting plate 4 and the lower connecting plate 5 both play a role of fixedly supporting the plurality of inclined plates 3, the edges of the upper connecting plate 4 and the lower connecting plate 5 are both fixedly installed on the inner wall of the cylinder body 1, the upper ends of the plurality of inclined plates 3 are fixed on the upper connecting plate 4, the lower ends of the plurality of inclined plates 3 are fixed on the lower connecting plate 5, the inclined plates 3 are funnel-shaped, the plurality of inclined plates 3 are uniformly and alternately arranged between the upper connecting plate 4 and the lower connecting plate 5, an annular channel is formed between two adjacent inclined plates 3, so that insoluble solid impurities which cannot be adsorbed by the filler in the polyaluminium chloride solution can be accelerated to deposit on the inclined plates 3 under the action of gravity, and fall into the lower conical cylinder 7 under the self-weight when the insoluble solid impurities enriched on the inclined plates 3 reach a certain degree, insoluble solid impurities in the polyaluminium chloride solution can be effectively removed, filter pressing treatment is not needed after decoloration, the operation cost is saved, and the installation of the inclined plate 3 and the installation of the inclined plate component 2 are more convenient.

In some embodiments, the inclination of the inclined plate 3 is 8 to 88 degrees, so that the insoluble solid impurities enriched on the inclined plate 3 can smoothly enter the lower cone 7 through self weight while the deposition of the insoluble solid impurities is ensured, and the removal effect of the insoluble solid impurities in the polyaluminium chloride solution is better.

In some embodiments, the inclination of the inclined plate 3 is 65 °, and the specific inclination of the inclined plate 3 can be adjusted according to actual use conditions.

In some embodiments, the number of the ascending pipes 16 is multiple, and the ascending pipes 16 are arranged at intervals along the circumferential direction of the cylinder 1, so that the decolorized and impurity-removed polyaluminum chloride solution in the clear liquid chamber 24 can be discharged out of the cylinder 1 through the ascending pipes 16 simultaneously.

In some embodiments, the upper part of the cylinder 1 is further provided with an annular collecting weir 17, the annular collecting weir 17 and the inside of the cylinder 1 form two separate spaces, at this time, the outlet end of the ascending pipe 16 extends vertically upwards and is communicated with the inside of the annular collecting weir 17, the annular collecting weir 17 is further provided with a discharge hole 18, the inside of the clear liquid chamber 24 is communicated with the annular collecting weir 17 through the ascending pipe 16, and the polyaluminum chloride solution after impurity removal and decoloration in the clear liquid chamber 24 can overflow into the annular collecting weir 17 through the ascending pipe 16 and finally be discharged centrally through the discharge hole 18; meanwhile, the height of the annular collecting weir 17 can be higher than that of the decolorizing filler 11 in the second decolorizing chamber 10, so that the decolorizing fillers 11 in the first decolorizing chamber 9 and the second decolorizing chamber 10 are completely submerged by the polyaluminium chloride solution and are fully contacted, and the decolorizing effect of the polyaluminium chloride solution is better.

In some embodiments, the inner wall of the cylinder body 1 is further provided with a reinforcing rib 6, the upper end of the reinforcing rib 6 supports the inclined plate assembly 2, so that the middle part of the inclined plate assembly 2 can be supported by the reinforcing rib 6, and the installation of the inclined plate assembly 2 is more stable; simultaneously, the strengthening rib 6 here can be a plurality of, and a plurality of strengthening ribs 6 can be divided into two sets ofly, and a plurality of strengthening ribs 6 in two sets of strengthening ribs 6 are arranged along 1 inner wall of barrel even interval, and the upper end of two sets of strengthening ribs 6 is located 2 centers of swash plate subassembly and 2 edges of swash plate subassembly respectively, makes 2 installation of swash plate subassembly more firm.

In some embodiments, the bottom of the barrel 1 is further provided with a drain outlet 23, the drain outlet 23 is mounted on the barrel section 22, so that insoluble solid impurities collected in the lower cone 7 can be discharged out of the barrel 1 through the barrel section 22 and the drain outlet 23 regularly, and the problem of difficulty in slag discharge is simplified.

In some embodiments, the outer wall of the cylinder 1 is further provided with a plurality of support lugs 19, the plurality of support lugs 19 are uniformly arranged at intervals along the circumferential direction of the cylinder 1, so that the installation of the utility model is more convenient by fixing the support lugs 19 during the later installation.

When the polyaluminium chloride solution needs to be decolorized, the feed inlet 21 is connected with a pipeline for conveying the polyaluminium chloride solution, so that a liquid body of the polyaluminium chloride is fed into the feed cavity 12 at the bottom of the first decolorizing chamber 9 through the feed pipe 20, the liquid surface of the polyaluminium chloride liquid gradually rises along with the gradual increase of the polyaluminium chloride liquid in the feed cavity 12, the liquid surface of the polyaluminium chloride liquid is raised, the liquid body of the polyaluminium chloride liquid is contacted with the decolorizing filler 11 in the first decolorizing chamber 9 through the second grating plate 14 at the same time of the liquid surface of the polyaluminium chloride liquid, and the decolorizing filler 11 in the first decolorizing chamber 9 preliminarily removes pollutants such as turbidity, chromaticity, heavy metal ions, COD and the like in the polyaluminium chloride liquid, so as to complete primary decolorization; along with the continuous rise of the liquid level of the polyaluminium chloride, the liquid of the polyaluminium chloride automatically overflows into the second decolorizing chamber 10 through the upper end of the first decolorizing chamber 9, the polyaluminium chloride enters into the second decolorizing chamber 10, the polyaluminium oxide liquid is contacted with the decolorizing filler 11 in the second decolorizing chamber 10, the pollutants such as turbidity, chromaticity, heavy metal ions, COD and the like in the polyaluminium chloride liquid are removed through the decolorizing filler 11 in the second decolorizing chamber 10, the second decolorization is completed, insoluble solid impurities which cannot be adsorbed by the filler in the polyaluminium chloride solution enter into the inclined plate component 2 along with the polyaluminium chloride solution through the first grid plate 13 and are accelerated to be deposited on the inclined plate 3 under the action of gravity, when the insoluble solid impurities enriched on the inclined plate component 2 reach a certain degree, the insoluble solid impurities deposited on the inclined plate 3 fall into the lower cone 7 through the lower connecting plate 5 and finally converge into the lower cone 7, is discharged periodically through the shell ring 22 and the sewage outlet 23; and the polyaluminium chloride solution after impurity removal and decoloration enters the clear liquid chamber 24, and is converged into the annular collecting weir 17 through the ascending pipe 16, so that the polyaluminium chloride solution can be finally discharged through the discharge hole 18.

The whiteness of the polyaluminium chloride solution subjected to the decoloring treatment is obviously improved, so that the product is white in color, can be used as a drinking water treatment agent, and can also be used in the fields of papermaking sizing, glue filling, cosmetic additives, sugar-making decoloring clarifying agents and the like, and the application range of the polyaluminium chloride solution is expanded; meanwhile, the utility model can also be used for decoloring other liquid dissolved with color-developing precipitate

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (13)

1. The utility model provides a decoloration equipment, which is characterized in that, includes barrel (1), first decoloration room (9), second decoloration room (10), ramp plate subassembly (2) and clear solution room (24), ramp plate subassembly (2) are installed in barrel (1) middle part, clear solution room (24) are located between ramp plate subassembly (2) outer wall and barrel (1) inner wall, second decoloration room (10) are located ramp plate subassembly (2) top, first decoloration room (9) are located ramp plate subassembly (2) inside, first decoloration room (9) upper end runs through ramp plate subassembly (2) upper surface and extends to in second decoloration room (10), and all be equipped with decoloration filler (11) in first decoloration room (9) and second decoloration room (10); still install inlet pipe (20) with first decoloration room (9) lower extreme intercommunication on barrel (1), and still install tedge (16) with clear solution room (24) intercommunication on barrel (1).

2. Equipment according to claim 1, characterized in that the inclined plate assembly (2) has an annular partition (8) in the center, the first decolorization chamber (9) is located inside the partition (8), and the inclined plate assembly (2) is located outside the partition (8).

3. Equipment according to claim 2, characterized in that inside said partition (8) there is also mounted a second grid plate (14), the second grid plate (14) being located at the lower end of the first decolorization chamber (9), and the outlet end of the feeding pipe (20) being located below the second grid plate (14).

4. The apparatus according to claim 2, characterized in that the lower end of the partition (8) is annular, and the outlet of the feeding pipe (20) is tangential to the inner wall of the partition (8).

5. The apparatus according to claim 3, characterized in that a plurality of fixed stops (15) are also fixedly mounted on the inner wall of said partition (8), the second grid plate (14) being mounted jointly on the plurality of fixed stops (15).

6. Equipment according to claim 1, characterized in that above the ramp assembly (2) there is also mounted a first grid plate (13).

7. The decoloring apparatus according to claim 1, wherein the inclined plate assembly (2) comprises an upper connecting plate (4), a lower connecting plate (5) and a plurality of inclined plates (3), wherein the upper connecting plate (4) and the lower connecting plate (5) are respectively mounted on the inner wall of the drum (1), and the plurality of inclined plates (3) are uniformly spaced between the upper connecting plate (4) and the lower connecting plate (5).

8. Equipment according to claim 7, characterized in that the inclination of the inclined plates (3) is between 8 ° and 88 °.

9. Equipment according to claim 7, characterized in that the inclination of the inclined plate (3) is 65 °.

10. The decolorization apparatus according to claim 1, wherein said rising pipe (16) is plural, and a plurality of rising pipes (16) are arranged at intervals in the circumferential direction of the cylinder (1).

11. The decolorization apparatus according to claim 1 or 7, wherein an annular collection weir (17) is further provided at the upper part of said cylinder (1), the outlet end of said ascending tube (16) is communicated with the inside of said annular collection weir (17), and a discharge port (18) is further provided on said annular collection weir (17).

12. The decoloring apparatus according to claim 1, wherein a reinforcing rib (6) is further installed on an inner wall of the cylinder (1), and an upper end of the reinforcing rib (6) supports the inclined plate assembly (2).

13. The decolorization apparatus according to claim 1, characterized in that a drain outlet (23) is further provided at the bottom of said cylinder (1).

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