An apparatus for reducing organic matter by treating decomposition tank foam

Abstract

The utility model discloses a device is reduced organic matter through processing decomposition tank foam, and the device is installed on the decomposition tank, and it is including: skimming machine, skimming machine includes frame, redirection mechanism, elevating system, drive mechanism, foam attachment component and foam scraping mechanism, and the frame is installed on the top of decomposition tank, and the elevating system is installed on the frame, and part redirection mechanism is connected with the movable end of elevating system, and foam attachment component is connected redirection mechanism and drive mechanism respectively, and drive mechanism is used for driving foam attachment component to move on redirection mechanism, and the surface of foam scraping mechanism is contacted with foam attachment component, and the set foam groove is located below foam scraping mechanism, and is used for receiving the foam that foam scraping mechanism scraped off. The device of the utility model salvages and collects the foam of decomposition tank through skimming machine, and the closed loop processing of subsequent causticization system is convenient, and the problem that foam occupies volume, spills over and pollutes and hinders crystal growth is solved, and belongs to the technical field of aluminium oxide production.

Description

Technical Field

[0001] This utility model belongs to the field of alumina production technology, and specifically relates to a device for reducing organic matter by treating foam in a decomposition tank. Background Technology

[0002] In alumina production, the core step of the Bayer process or sintering process is to decompose sodium aluminate solution into aluminum hydroxide crystals in a decomposition tank. This process directly determines the yield and quality of the product. However, organic matter such as humic acid, tannins, bituminous substances, and lignin contained in bauxite raw materials will dissolve into the sodium aluminate solution with the ore slurry and continuously accumulate in the decomposition tank. These organic substances have strong surface activity and will adsorb onto the surface of aluminum hydroxide crystals, reducing the solid-liquid interfacial tension and promoting the formation of a large amount of stable foam in the solution. The hazards of this foam are mainly manifested in three aspects: First, it occupies the effective volume of the decomposition tank, leading to a decrease in the decomposition efficiency of the sodium aluminate solution; second, the foam is prone to overflow from the top of the tank, causing material loss of aluminum hydroxide crystals and sodium aluminate solution, while also polluting surrounding equipment and the environment; third, after the organic matter combines with the crystals, it will hinder the normal growth of the crystals, resulting in uneven particle size distribution of the product.

[0003] Currently, organic matter in the system is reduced through organic matter removal and washing / causticizing. However, the inflow and outflow of organic matter in the entire production system has not yet reached a balance. As these organic substances accumulate over time, they are having an increasing impact on the normal operation of production. Therefore, it is still necessary to find new methods to improve the efficiency of organic matter removal or washing / causticizing and to balance the organic matter content in the system. Utility Model Content

[0004] To address the above shortcomings, the purpose of this invention is to provide a device for reducing organic matter by treating foam in a decomposition tank, thereby solving the problems of foam occupying the effective volume of the decomposition tank, overflowing pollution, and hindering crystal growth.

[0005] The specific technical solution is as follows: An apparatus for reducing organic matter by treating foam in a decomposition tank, the apparatus being installed on the decomposition tank, comprising: The defoaming machine includes a frame, a redirection mechanism, a lifting mechanism, a drive mechanism, a foam attachment component, and a foam scraping mechanism. The frame is installed on the top of the decomposition tank, and the lifting mechanism is installed on the frame. Part of the redirection mechanism is connected to the movable end of the lifting mechanism. The foam attachment component is connected to both the redirection mechanism and the drive mechanism. The redirection mechanism is used to adjust the position of the foam attachment component in the decomposition tank, and the drive mechanism is used to drive the foam attachment component to move on the redirection mechanism. The foam scraping mechanism is in contact with the surface of the foam attachment component. Foam collection tank, located below the foam scraping mechanism, is used to receive the foam scraped off by the foam scraping mechanism.

[0006] Preferably, the redirection mechanism includes a first redirection roller, a second redirection roller, a third redirection roller, and a fourth redirection roller. The foam attachment component is a filter cloth conveyor belt, which is sequentially connected to the first redirection roller, the second redirection roller, the third redirection roller, the fourth redirection roller, and the drive mechanism. The filter cloth conveyor belt has a ring structure. The second redirection roller and the third redirection roller are rotatably connected by a bracket, which is connected to the movable end of the lifting mechanism to adjust the depth of the filter cloth conveyor belt connected to the second redirection roller and the third redirection roller entering the decomposition tank. The first redirection roller and the fourth redirection roller are both rotatably mounted on the frame.

[0007] Preferably, the drive mechanism includes a drive motor and a drive roller, the output shaft of the drive motor is connected to the drive roller, the filter cloth conveyor belt is connected to the drive roller, and the drive motor is mounted on the frame.

[0008] Preferably, the lifting mechanism includes a hydraulic rod whose movable end is connected to the bracket, or the hydraulic rod is connected to the bracket via an upgrade rod.

[0009] Preferably, the foam scraping mechanism includes a scraper, which is fixedly or adjustablely mounted on the frame and contacts the foam attachment component.

[0010] Preferably, an angle is formed between the scraper and the foam attachment component.

[0011] Preferably, the foam collecting trough is inclined, with the opening of the foam collecting trough facing the foam attachment component.

[0012] Preferably, a tensioning roller is provided between the drive roller and the first redirecting roller. The tensioning roller is connected to the filter cloth conveyor belt. Two slide grooves are provided on the frame. The two ends of the tensioning roller are respectively slidably connected to the two slide grooves. The tensioning roller is installed at the moving end of the chain lifting device to adjust the tension of the filter cloth conveyor belt through the chain lifting device.

[0013] Preferably, it also includes a spraying mechanism, which includes a spray pipe and a nozzle. The spray pipe is connected to a water source, and the nozzle is installed on the spray pipe. The nozzle is positioned facing the foam attachment component and is located on one side of the foam scraping mechanism.

[0014] Preferably, the foam collecting tank has a drain outlet at the bottom and lifting lugs on both sides.

[0015] Compared with existing technologies, this utility model has the following beneficial effects: The device of this invention uses a skimmer to scoop and collect the foam in the decomposition tank, which facilitates the closed-loop processing of the subsequent causticizing system. The oxalate content is effectively reduced, effectively solving the problems of foam occupying effective volume, overflowing pollution and hindering crystal growth. At the same time, the product quality is significantly improved. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below.

[0017] Figure 1 This is a schematic diagram of the structure of this utility model.

[0018] Figure 2 This is a schematic diagram of a skimmer.

[0019] Figure 3 This is a schematic diagram of the spraying mechanism.

[0020] Figure 4 This is a schematic diagram of the tension roller and chain lifting device.

[0021] Explanation of key figure labels: 1 is the third redirecting roller, 2 is the second redirecting roller, 3 is the hydraulic rod, 4 is the fourth redirecting roller, 5 is the drive mechanism, 6 is the first redirecting roller, 7 is the tensioning roller, 8 is the chain lifting device, 9 is the foam collecting tank, 10 is the scraper, 11 is the filter cloth conveyor belt, 12 is the motor of the chain lifting device, 13 is the spray pipe, 14 is the nozzle, 15 is the skimmer, 16 is the decomposition tank, and 17 is the foam. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] In the description of this utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "top surface", "bottom surface", "inner", "outer", "inner side", "outer side", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0024] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If the terms "first," "second," and "third" are used in the description, they are for descriptive purposes and to distinguish technical features, and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the sequential relationship of the indicated technical features.

[0025] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. The embodiments of this utility model will now be described based on its overall structure.

[0026] Due to the high organic content in the existing process system, these organic substances generate a large amount of foam in the decomposition tank. The foam is mainly composed of organic matter, with a small amount of aluminum hydroxide crystals. On-site measurements show that when the amount of organic matter released is large, the foam thickness in the decomposition tank ranges from 1 to 2 meters. This foam affects normal production in three main ways: 1. The foam makes it difficult to control the slurry in the decomposition tank. To avoid overflow and short-circuiting, the actual slurry level drops significantly, shortening the decomposition time and thus reducing the decomposition rate. 2. The foam accumulates in the tail section of the decomposition tank and is difficult to eliminate, causing the tail section level to remain high for extended periods, posing a risk of overflow. 3. The foam covers the surface of the filter cake in the coarse seed vertical disc filter, significantly reducing filtration efficiency.

[0027] Specifically, analysis of the foam composition in its decomposition tank revealed that oxalate accounted for 2.5%, with the remainder being fine aluminum hydroxide crystals. The test results showed that the oxalate content was 5-8 times higher than that in the raw materials used in current washing and causticizing systems. Previous research indicated that when the oxalate concentration in the causticizing raw materials exceeded 0.5 g / L, the causticizing reaction rate could increase by more than 80%. Therefore, increasing the oxalate content in the raw materials of the washing and causticizing system can effectively improve causticizing efficiency and thus reduce organic matter in the system. The foam composition was primarily organic matter, containing a small amount of aluminum hydroxide crystals.

[0028] Therefore, in order to balance the liquid level, the operating conditions had to be adjusted to a direction that was not conducive to the optimization of indicators. It is calculated that under the production conditions with more foam, the capacity of three filters is only equivalent to that of two vertical disc filters when there is less foam, which leads to increased power consumption and increased production costs.

[0029] To solve the above problems, such as Figures 1-4 As shown, this embodiment provides a device for reducing organic matter by treating foam in a decomposition tank. The device is installed on the decomposition tank and includes: The skimmer 15 includes a frame, a redirection mechanism, a lifting mechanism, a drive mechanism 5, a foam attachment component, and a foam scraping mechanism. The frame is installed on the top of the decomposition tank 16, the lifting mechanism is installed on the frame, part of the redirection mechanism is connected to the movable end of the lifting mechanism, the foam attachment component is connected to the redirection mechanism and the drive mechanism 5 respectively, the redirection mechanism is used to adjust the position of the foam attachment component in the decomposition tank 16, the drive mechanism 5 is used to drive the foam attachment component to move on the redirection mechanism, and the foam scraping mechanism is in contact with the surface of the foam attachment component. Foam collection tank 9 is located below the foam scraping mechanism and is used to receive the foam 17 scraped off by the foam scraping mechanism.

[0030] Workflow: 1. The third redirecting roller of the mobile skimmer 15 extends into the foam layer 17 in the decomposition tank, and the height of the roller entering the foam 17 is adjusted by the hydraulic rod 3.

[0031] 2. The foam attachment component uses alkali-resistant polypropylene woven fabric, and the filter cloth conveyor belt is continuously driven by the drive mechanism 5.

[0032] 3. During the rotation of the filter cloth conveyor belt, the foam 17 is evenly attached to the surface of the filter cloth conveyor belt and is conveyed upward from the decomposition tank 16 to the top area of ​​the tank. When the filter cloth conveyor belt runs to the position of the fixedly installed scraper 10, the scraper 10 is set at a certain angle with the surface of the filter cloth. The scraper 10 is made of polyurethane board material to avoid scratching the filter cloth. The foam collection tank 9 below the scraper 10 is designed with an inclination to facilitate the flow of foam 17 into the foam collection tank 9 along the inclination.

[0033] 4. After the foam collection tank 9 is full of foam 17, it is transported to the classifier by overhead crane. The foam 17 is washed and causticized by the process of using the classifier as raw material for the washing and causticizing process. The washed seed crystals are returned to the production system for use, and the filtrate is sent to the storage yard for processing after causticizing treatment.

[0034] 5. When adjusting the depth of the skimmer 15 into the foam 17, the tension roller 7 adjusts the tension of the filter cloth conveyor belt by adjusting the chain lifting device 8, ensuring that the filter cloth conveyor belt always remains taut at different immersion depths; the tension roller 7 is installed at both ends in the sliding grooves on both sides of the frame to ensure that the tension roller always moves up and down on the same plane.

[0035] 6. The spraying mechanism is installed behind the scraper 10, with one set installed before and after the filter cloth conveyor belt. It consists of spray pipe 13 and nozzle 14, and uses hot water at 80-90℃ to rinse the surface of the filter cloth conveyor belt to remove residual organic residue.

[0036] 7. The bottom of the foam collection tank 9 is equipped with a drain port for draining a small amount of liquid from the foam 17; the sides of the foam collection tank 9 are equipped with lifting lugs for easy hoisting by overhead crane.

[0037] The redirection mechanism includes a first redirection roller 6, a second redirection roller 2, a third redirection roller 1, and a fourth redirection roller 4. The foam attachment component is a filter cloth conveyor belt 11, which is sequentially connected to the first redirection roller 6, the second redirection roller 2, the third redirection roller 1, the fourth redirection roller 4, and the drive mechanism 5. The filter cloth conveyor belt 11 has a ring structure. The second redirection roller 2 and the third redirection roller 1 are rotatably connected by a bracket, which is connected to the movable end of the lifting mechanism to adjust the depth of the filter cloth conveyor belt connected to the second redirection roller 2 and the third redirection roller 1 entering the decomposition tank 16. The first redirection roller 6 and the fourth redirection roller 4 are both rotatably mounted on the frame.

[0038] The drive mechanism 5 includes a drive motor and a drive roller. The output shaft of the drive motor is connected to the drive roller, the filter cloth conveyor belt 11 is connected to the drive roller, and the drive motor is mounted on the frame.

[0039] The lifting mechanism includes a hydraulic rod 3 whose movable end is connected to the bracket, or the hydraulic rod 3 is connected to the bracket via an upgrade rod.

[0040] The depth of the skimmer 15 immersed in the foam layer 17 is adjusted in real time by the hydraulic rod 3, and the speed of the filter cloth conveyor belt is dynamically controlled by the frequency converter to ensure that the foam 17 is retrieved in a timely and sufficient manner, reducing the interference of the foam 17 on the slurry level in the decomposition tank 16. The slurry level is kept stable, the decomposition time is no longer forced to be shortened to avoid overflow, and the decomposition rate is improved.

[0041] The foam scraping mechanism includes a scraper 10, which is fixedly or adjustablely mounted on the frame and contacts the foam attachment component.

[0042] An angle is formed between the scraper 10 and the foam attachment part.

[0043] The foam collecting trough 9 is set at an angle, with the opening of the foam collecting trough 9 facing the foam attachment component.

[0044] A tensioning roller 7 is provided between the drive roller and the first redirecting roller 6. The tensioning roller is connected to the filter cloth conveyor belt 11. Two slide grooves are provided on the frame. The two ends of the tensioning roller are respectively slidably connected to the two slide grooves. The tensioning roller is installed at the moving end of the chain lifting device 8 to adjust the tension of the filter cloth conveyor belt 11 through the chain lifting device 8. Specifically, the motor 12 of the chain lifting device drives the chain connected to the tensioning roller, so that the tensioning roller slides in the slide groove.

[0045] The device also includes a spraying mechanism, which includes a spray pipe 13 and a nozzle 14. The spray pipe 13 is connected to a water source, and the nozzle 14 is installed on the spray pipe 13. The nozzle 14 is positioned toward the foam attachment component and is located on one side of the foam scraping mechanism.

[0046] The bottom of the foam collection tank 9 is equipped with a drain outlet, and the two sides of the foam collection tank 9 are equipped with lifting lugs.

[0047] Specifically, the lower end of the skimmer 15 extends into the foam layer 17 inside the tank. A polypropylene woven fabric is used as the filter cloth conveyor belt, which is driven to rotate by a drive motor above. The foam 17 adheres to the surface of the rotating filter cloth conveyor belt and is carried out of the decomposition tank 16 as the conveyor belt rotates. Finally, the scraper 10 set at the top of the tank scrapes the foam 17 into the foam collection tank 9.

[0048] To address variations in the thickness of foam 17, the immersion depth of the skimmer 15 is adjusted via a hydraulic lifting rod. The height of the lifting rod is adjusted according to the real-time thickness of the foam 17 layer to ensure the lower end of the filter cloth is always positioned in the upper-middle part of the foam 17 layer, thereby improving the foam 17 discharge efficiency.

[0049] The filter cloth rotation speed is controlled by a motor frequency converter to drive the motor speed: when foam 17 thickens, the rotation speed is increased to accelerate retrieval; when foam 17 thins, the rotation speed is reduced to save energy. To maintain the filter cloth's air permeability and adsorption performance, a spraying mechanism is installed behind the skimmer 15 and scraper 10, rinsing the filter cloth surface every two hours with 80-90℃ hot water to remove residual organic matter.

[0050] Foam 17 removal reduces the amount of foam 17 accumulating in the decomposition tail tank, eliminating the risk of overflow. There is no longer a need to adjust key parameters such as feed rate or decomposition temperature to balance the liquid level, and the operating conditions better meet the requirements for performance optimization.

[0051] The reduced amount of foam 17 entering the coarse seed vertical disc filter avoids problems such as filter cloth pore blockage and filtration difficulties caused by foam 17 covering the filter cake surface. The improved filtration efficiency results in lower power consumption of the vertical disc filter, directly reducing production costs.

[0052] The salvaged foam 17 was collected in foam collection tank 9 and then transported to a classifier for washing and causticizing treatment. The washed seed crystals were returned to the production system for reuse, and the filtrate was sent to the stockpile after causticizing treatment. Foam 17 was treated in a "resource-based and harmless" manner, which meets the requirements of green environmental protection and sustainable development.

[0053] Foam 17 in the decomposition tank 16 is collected into the foam collection tank 9 by the skimmer 15. Every 2-4 hours, the full foam collection tank 9 is transferred to the overflow tank of the classifier by the overhead crane. The foam 17 flows into the vertical plate feed tank of the causticization system through the overflow pipe of the classifier. Solid-liquid separation is completed by the vertical plate filter of the washing and causticization system. The filtrate is returned to the mother liquor system, and the filter cake enters the No. 1 fine crystal washing tank and is mixed with production water in proportion for washing. The mixed seed crystals are pumped into the No. 2 fine seed filter via a fine seed pump. The filter cake is mixed with the strong filtrate and cold concentrate, and then pumped to the seed decomposition and aggregation section via the No. 2 fine seed pump for aggregation. The filtrate is sent to the causticizing tank, where a certain proportion of lime slurry is added, and appropriate amount of steam is introduced for heating. The mixture is kept at a certain reaction time to induce the causticizing reaction (main reaction: Na2C2O4 + Ca(OH)2 = CaC2O4↓ + 2NaOH). The causticized slurry is pumped to the settling tank and washing tank of the settling process for washing and sedimentation. Then, it is pumped to a plate and frame filter press for solid-liquid separation via a diaphragm pump. The solids are discharged to the stockpile for comprehensive utilization.

[0054] By utilizing the high oxalate content in Foam 17 as a causticizing raw material, and combined with previous exploration of the operating conditions of the washing causticizing system, the causticizing rate has increased from an average of 50% to over 85%. The device provided in this embodiment has a simple working process, which can be achieved by adding conventional steps such as skimming machine 15 to remove foam and transferring foam 17. It does not require complex equipment modification and is easy to promote and apply in existing alumina production systems.

[0055] The fine aluminum hydroxide crystals in Foam 17 are washed, agglomerated, and returned to the decomposition system to improve the utilization rate of seed crystals. The solid residues generated by causticization are also comprehensively utilized, avoiding the landfill disposal of solid waste. This realizes the full-process resource utilization of "Foam 17-organic matter-residue", which is in line with the development concept of green metallurgy.

[0056] The foregoing description of specific exemplary embodiments of the present invention is for illustrative and explanatory purposes. These descriptions are not intended to limit the present invention to the precise forms disclosed, and it is obvious that many changes and variations can be made based on the above teachings. Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. The purpose of selecting and describing exemplary embodiments is to explain the specific principles of the present invention and its practical application, so that those skilled in the art, after reading this specification, can make modifications, substitutions, variations, and various choices and changes to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, variations, and choices and changes are within the scope of the claims of the present invention and are protected by patent law.

Claims

1. A device for reducing organic matter by treating foam in a decomposition tank, the device being installed on the decomposition tank, characterized in that, include: The defoaming machine includes a frame, a redirection mechanism, a lifting mechanism, a drive mechanism, a foam attachment component, and a foam scraping mechanism. The frame is installed on the top of the decomposition tank, and the lifting mechanism is installed on the frame. Part of the redirection mechanism is connected to the movable end of the lifting mechanism. The foam attachment component is connected to both the redirection mechanism and the drive mechanism. The redirection mechanism is used to adjust the position of the foam attachment component in the decomposition tank, and the drive mechanism is used to drive the foam attachment component to move on the redirection mechanism. The foam scraping mechanism is in contact with the surface of the foam attachment component. Foam collection tank, located below the foam scraping mechanism, is used to receive the foam scraped off by the foam scraping mechanism.

2. The apparatus for reducing organic matter by treating foam in a decomposition tank according to claim 1, characterized in that, The redirection mechanism includes a first redirection roller, a second redirection roller, a third redirection roller, and a fourth redirection roller. The foam attachment component is a filter cloth conveyor belt, which is sequentially connected to the first redirection roller, the second redirection roller, the third redirection roller, the fourth redirection roller, and the drive mechanism. The filter cloth conveyor belt has a ring structure. The second redirection roller and the third redirection roller are rotatably connected by a bracket, which is connected to the movable end of the lifting mechanism to adjust the depth of the filter cloth conveyor belt connected to the second redirection roller and the third redirection roller entering the decomposition tank. The first redirection roller and the fourth redirection roller are both rotatably mounted on the frame.

3. The apparatus for reducing organic matter by treating foam in a decomposition tank according to claim 2, characterized in that, The drive mechanism includes a drive motor and a drive roller. The output shaft of the drive motor is connected to the drive roller, the filter cloth conveyor belt is connected to the drive roller, and the drive motor is mounted on the frame.

4. The apparatus for reducing organic matter by treating foam in a decomposition tank according to claim 2, characterized in that, The lifting mechanism includes a hydraulic rod whose movable end is connected to a bracket, or a hydraulic rod connected to a bracket via an upgrade rod.

5. The apparatus for reducing organic matter by treating foam in a decomposition tank according to claim 1, characterized in that, The foam scraping mechanism includes a scraper, which is either fixedly mounted or adjustablely mounted on the frame, and the scraper contacts the foam attachment component.

6. The apparatus for reducing organic matter by treating foam in a decomposition tank according to claim 5, characterized in that, An angle is formed between the scraper and the foam attachment part.

7. The apparatus for reducing organic matter by treating foam in a decomposition tank according to claim 1, characterized in that, The foam collecting tank is set at an angle, with the opening of the foam collecting tank facing the foam attachment part.

8. The apparatus for reducing organic matter by treating foam in a decomposition tank according to claim 3, characterized in that, A tensioning roller is provided between the drive roller and the first redirecting roller. The tensioning roller is connected to the filter cloth conveyor belt. Two slide grooves are provided on the frame. The two ends of the tensioning roller are slidably connected to the two slide grooves respectively. The tensioning roller is installed at the moving end of the chain lifting device to adjust the tension of the filter cloth conveyor belt through the chain lifting device.

9. The apparatus for reducing organic matter by treating foam in a decomposition tank according to claim 1, characterized in that, It also includes a spraying mechanism, which includes a spray pipe and nozzles. The spray pipe is connected to a water source, and the nozzles are installed on the spray pipe. The nozzles are positioned facing the foam attachment component and are located on one side of the foam scraping mechanism.

10. The apparatus for reducing organic matter by treating foam in a decomposition tank according to claim 1, characterized in that, The foam collecting tank has a drain outlet at the bottom and lifting lugs on both sides.

Images