Three-stage cooling, filtering and decontamination system

Abstract

The utility model discloses a three-stage cooling, filtering and decontaminating system, and belongs to the technical field of decontaminating systems. The three-stage cooling, filtering and decontamination system comprises a first-stage precipitation system, a second-stage precipitation system, a third-stage precipitation system and a cooling system, the first-stage filtration system is connected with the second-stage filtration system, the third-stage filtration system is connected with the second-stage filtration system, and the cooling system is communicated with the third-stage filtration system. After impurities precipitated by the three-stage cooling, filtering and decontaminating system disclosed by the utility model are discharged through the drain outlet, moisture in the impurities can be easily removed only by naturally airing due to higher concentration and lower water content of the impurities, and the dried impurities can be collected and treated only by subsequently cleaning; the temperature of water cooled by the three-stage cooling, filtering and decontaminating system can be effectively reduced, the internal impurity quantity is reduced, the water can be circularly used for preliminary cleaning, and resources are saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of sewage treatment systems, and particularly relates to a three-stage cooling filtration sewage treatment system. Background Technique

[0002] The recycling and treatment methods of plastic bottles mainly include the following processes: recycling and collecting waste plastic bottles; classifying plastic bottles according to different types of plastics; cleaning and removing impurities from different plastic bottles to ensure the quality, hygiene and safety of recycled materials; the cleaned plastic bottles will be crushed into small particles or fragments, which helps to improve the availability of plastics and prepare for subsequent processing; the crushed plastic bottle fragments will be sent to a recycling processing factory and reprocessed through processes such as heating, extrusion, and granulation to produce recycled plastic particles or other recycled plastic products; the recycled plastic particles can be used to manufacture various plastic products, such as recycled plastic bottles, packaging materials, fibers, fabrics, building materials, etc., so as to realize the reuse and recycling of plastic resources.

[0003] During the cleaning process, a large amount of wastewater with impurities will be generated. There will be more insoluble impurities in these wastewaters, which cannot be recycled and causes waste of resources. Content of the Utility Model

[0004] Technical problems to be solved: The purpose of the utility model is to overcome the deficiencies of the prior art and provide a three-stage cooling filtration sewage treatment system, which makes it more convenient to remove impurities from the wastewater after cleaning and enables the recycling of water resources.

[0005] Technical solution: A three-stage cooling filtration sewage treatment system provided by the utility model includes a primary sedimentation system, a secondary sedimentation system, a tertiary sedimentation system and a cooling system. The primary sedimentation system is connected to the secondary sedimentation system, the tertiary sedimentation system is connected to the secondary sedimentation system, and the cooling system is communicated with the tertiary sedimentation system.

[0006] Furthermore, the three-stage cooling filtration sewage treatment system further includes an evaporation sewage treatment system, and the primary sedimentation system, the secondary sedimentation system and the tertiary sedimentation system are all communicated with the sewage treatment system.

[0007] Furthermore, the primary sedimentation system includes a primary water tank. An inlet is provided at the upper end of the primary water tank, a primary sedimentation tank is provided at the lower end of the primary water tank, a primary sewage outlet is provided at the lower end of the primary sedimentation tank, and a primary filter screen is provided at the upper end of one side of the primary water tank.

[0008] Furthermore, the secondary sedimentation system includes a secondary water tank. One side of the upper end of the secondary water tank is communicated with the primary sedimentation system. A secondary sedimentation tank is provided at the lower end of the secondary water tank, a secondary sewage outlet is provided at the lower end of the secondary sedimentation tank, and a secondary filter screen is provided at the upper end of one side of the secondary water tank.

[0009] Further, the tertiary precipitation system includes a tertiary water tank. The upper end of one side of the tertiary water tank is connected to the secondary precipitation system. A tertiary sedimentation tank is provided at the lower end of the tertiary water tank. A tertiary sewage outlet is provided at the lower end of the tertiary sedimentation tank. A tertiary filter screen is provided at the upper end of one side of the tertiary water tank. An outlet is provided on one side of the tertiary filter screen.

[0010] Further, the primary precipitation system, the secondary precipitation system, the tertiary precipitation system, and the cooling system are arranged in a stepped manner.

[0011] Further, the cooling system includes an evaporation channel and a cooling water outlet, and the evaporation channel is communicated with the cooling water outlet.

[0012] Further, the sewage treatment system includes an impurity evaporation tank and multiple sewage treatment pipes. One ends of the sewage treatment pipes are respectively connected to the primary precipitation system, the secondary precipitation system, and the tertiary precipitation system, and the other ends of the sewage treatment pipes are provided at the upper end of the impurity evaporation tank.

[0013] Beneficial effects: A tertiary cooling, filtering, and sewage treatment system provided by the present utility model has the following beneficial effects:

[0014] After the impurities precipitated by the tertiary cooling, filtering, and sewage treatment system of the present utility model are discharged through the sewage outlet, only because of their high concentration and low water content, the water in them can be easily removed by natural drying, and the dry impurities only need to be cleaned up later for collection and treatment;

[0015] The temperature of the water cooled by the tertiary cooling, filtering, and sewage treatment system of the present utility model can be effectively reduced, and the amount of impurities inside it is reduced, and it can be recycled for preliminary cleaning, saving resources. Description of the drawings

[0016] Figure 1 is a schematic structural diagram of the present utility model;

[0017] Figure 2 is a top view of the present utility model;

[0018] Figure 3 is a side view of the present utility model.

[0019] Reference numerals: 1, primary precipitation system; 11, primary water tank; 12, primary sedimentation tank; 13, primary sewage outlet; 14, primary filter screen; 15, water inlet;

[0020] 2, secondary precipitation system; 21, secondary water tank; 22, secondary sedimentation tank; 23, secondary sewage outlet; 24, secondary filter screen;

[0021] 3. Tertiary precipitation system; 31. Tertiary water tank; 32. Tertiary precipitation tank; 33. Tertiary decontamination outlet; 34. Tertiary filter screen; 35. Water outlet

[0022] 4. Cooling system; 41. Evaporation channel; 42. Cooling water outlet

[0023] 5. Evaporation decontamination system; 51. Impurity evaporation tank; 52. Decontamination pipeline; 53. First control valve; 54. Second control valve; 55. Third control valve Specific implementation mode

[0024] The following embodiments further illustrate the tertiary cooling, filtering and decontamination system of the present utility model in conjunction with the accompanying drawings

[0025] As Figures 1-3 shown, a tertiary cooling, filtering and decontamination system provided in this embodiment includes a primary precipitation system 1, a secondary precipitation system 2, a tertiary precipitation system 3, a cooling system 4 and an evaporation decontamination system 5. The primary precipitation system 1, the secondary precipitation system 2, the tertiary precipitation system 3 and the cooling system 4 are arranged in a stepped manner; the evaporation decontamination system 5 is arranged at the lower ends of the primary precipitation system 1, the secondary precipitation system 2 and the tertiary precipitation system 3

[0026] The primary precipitation system is connected to the secondary precipitation system, the tertiary precipitation system is connected to the secondary precipitation system, and the cooling system 4 is communicated with the tertiary precipitation system

[0027] The primary precipitation system 1, the secondary precipitation system 2 and the tertiary precipitation system 3 are all communicated with the evaporation decontamination system 5

[0028] The primary precipitation system 1 includes a primary water tank 11. An inlet 15 is provided at the upper end of the primary water tank 11. A primary precipitation tank 12 is provided at the lower end of the primary water tank 11. A primary decontamination outlet 13 is provided at the lower end of the primary precipitation tank 12. A primary filter screen 14 is provided at the upper end of one side of the primary water tank 11

[0029] The secondary precipitation system 2 includes a secondary water tank 21. One side of the upper end of the secondary water tank 21 is communicated with the primary precipitation system 1. A secondary precipitation tank 22 is provided at the lower end of the secondary water tank 21. A secondary decontamination outlet 23 is provided at the lower end of the secondary precipitation tank 22. A secondary filter screen 24 is provided at the upper end of one side of the secondary water tank 21

[0030] The tertiary precipitation system 3 includes a tertiary water tank 31. One side of the upper end of the tertiary water tank 31 is communicated with the secondary precipitation system 2. A tertiary precipitation tank 32 is provided at the lower end of the tertiary water tank 31. A tertiary decontamination outlet 33 is provided at the lower end of the tertiary precipitation tank 32

[0031] The secondary water tank 21 is disposed at the lower end of the primary filter 14 , the tertiary water tank 31 is disposed at the lower end of the secondary filter 24 , the water outlet 35 is disposed at the lower end of the tertiary filter 34 , and the water outlet 35 is communicated with the cooling system 4 .

[0032] The evaporative decontamination system 5 includes an impurity evaporation box 51 and a plurality of decontamination pipes 52 , one end of each of which is connected to the primary sedimentation system 1 , the secondary sedimentation system 2 , and the tertiary sedimentation system 3 , and the other end of each of the decontamination pipes 52 is disposed at the upper end of the impurity evaporation box 51 .

[0033] The primary sedimentation tank 12, the secondary sedimentation tank 22 and the tertiary sedimentation tank 32 are all in the shape of quadrangular pyramids.

[0034] The upper end of the primary sedimentation tank 12 is connected to the primary water tank 11 , and the lower end is connected to the primary decontamination port 13 . The primary decontamination port 13 is connected to a decontamination pipe 52 . A first control valve 53 is provided at the mouth of the decontamination pipe 52 .

[0035] The upper end of the secondary sedimentation tank 22 is connected to the secondary water tank 21 , and the lower end is connected to the secondary decontamination port 23 . The secondary decontamination port 23 is connected to a decontamination pipe 52 . A second control valve 54 is provided at the port of the decontamination pipe 52 .

[0036] The upper end of the tertiary sedimentation tank 32 is connected to the tertiary water tank 31 and the lower end is connected to the tertiary decontamination port 33 . The tertiary decontamination port 33 is connected to a decontamination pipe 52 . A third control valve 55 is provided at the port of the decontamination pipe 52 .

[0037] The cooling system 4 includes an evaporation channel 41 and a cooling water outlet 42 , and the evaporation channel 41 is in communication with the cooling water outlet 42 .

[0038] Wastewater containing more insoluble impurities enters the primary sedimentation system 1 through the water inlet 15, undergoes preliminary sedimentation in the primary sedimentation tank 12, and its impurities are sunk to the bottom of the primary sedimentation tank 12 after preliminary filtration through the primary filter screen 14. Wastewater containing fewer impurities enters the secondary sedimentation system 2, and after further sedimentation and filtration through the secondary sedimentation tank 22 and the secondary filter screen 24, enters the tertiary sedimentation system 3. The internal impurity content of the wastewater after sedimentation and filtration through the tertiary sedimentation tank 32 and the tertiary filter screen 34 is effectively reduced, and after evaporative cooling through the cooling system 4, it flows out through the cooling water outlet 42. Due to its low internal impurity content, it can be recycled for preliminary cleaning of plastic bottles.

[0039] Open the first control valve 53, the second control valve 54 and the third control valve 55 regularly, and discharge the impurities at the bottom of the primary sedimentation tank 12, the secondary sedimentation tank 22 and the tertiary sedimentation tank 32 into the impurity evaporation tank 51 through the sewage removal pipeline 52 to evaporate the water therein. Only because of its high concentration and low water content, only natural drying is needed to easily remove the water therein, and the dried impurities only need to be cleaned up subsequently for collection and treatment.

[0040] The embodiments of the present invention have been described in detail above. For those of ordinary skill in the art, according to the idea of the embodiments of the present invention, there will be changes in the specific implementation manners and application scopes. In summary, the content of this specification should not be construed as a limitation to the present invention.

Claims

1. A three-stage cooling, filtering and dirt-removing system, characterized in that: It includes a primary sedimentation system (1), a secondary sedimentation system (2), a tertiary sedimentation system (3) and a cooling system (4). The primary sedimentation system (1) is connected to the secondary sedimentation system (2), the tertiary sedimentation system (3) is connected to the secondary sedimentation system (2), and the cooling system (4) is in communication with the tertiary sedimentation system (3). This tertiary cooling and filtration sewage removal system further includes an evaporation sewage removal system (5). The primary sedimentation system (1), the secondary sedimentation system (2) and the tertiary sedimentation system (3) are all in communication with the evaporation sewage removal system (5). The primary sedimentation system (1) includes a primary water tank (11). An inlet (15) is provided at the upper end of the primary water tank (11). A primary sedimentation tank (12) is provided at the lower end of the primary water tank (11). A primary sewage removal port (13) is provided at the lower end of the primary sedimentation tank (12). A primary filter screen (14) is provided at the upper end of one side of the primary water tank (11). The secondary sedimentation system (2) includes a secondary water tank (21). One side of the upper end of the secondary water tank (21) is in communication with the primary sedimentation system (1). A secondary sedimentation tank (22) is provided at the lower end of the secondary water tank (21). A secondary sewage removal port (23) is provided at the lower end of the secondary sedimentation tank (22). A secondary filter screen (24) is provided at the upper end of one side of the secondary water tank (21). The tertiary sedimentation system (3) includes a tertiary water tank (31). One side of the upper end of the tertiary water tank (31) is in communication with the secondary sedimentation system (2). A tertiary sedimentation tank (32) is provided at the lower end of the tertiary water tank (31). A tertiary sewage removal port (33) is provided at the lower end of the tertiary sedimentation tank (32). A tertiary filter screen (34) is provided at the upper end of one side of the tertiary water tank (31). A water outlet (35) is provided on one side of the tertiary filter screen (34). The primary sedimentation system (1), the secondary sedimentation system (2), the tertiary sedimentation system (3) and the cooling system (4) are arranged in a stepped manner. The cooling system (4) includes an evaporation channel (41) and a cooling water outlet (42). The evaporation channel (41) is in communication with the cooling water outlet (42). The evaporation sewage removal system (5) includes an impurity evaporation tank (51) and multiple sewage removal pipes (52). One end of each sewage removal pipe (52) is respectively in communication with the primary sedimentation system (1), the secondary sedimentation system (2) and the tertiary sedimentation system (3). The other end of the sewage removal pipe (52) is provided at the upper end of the impurity evaporation tank (51).

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