Two-stage sewage filtering tank body and treatment system

By designing a two-stage wastewater filtration tank and treatment system, and employing two layers of filter media frames and filter packing layers, the problems of high cost and low efficiency in existing wastewater treatment are solved, achieving efficient and flexible wastewater treatment results that are suitable for various scenarios.

CN223516997UActive Publication Date: 2025-11-07INNER MONGOLIA AGRICULTURAL UNIVERSITY
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Patent Information

Application Number
CN202423119765.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-11-07
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

Existing wastewater treatment methods suffer from high chemical usage, high costs, and environmental pollution risks. Biological methods require long treatment times and are energy-intensive, making it difficult to meet stringent environmental regulations and posing challenges for cross-industry coordination.

Method used

Design a two-stage wastewater filtration tank, comprising two layers of filter media frames and a filter packing layer, to treat wastewater through the two layers of filter packing, achieving a multi-stage filtration effect. It is made of stainless steel and features a permeable design, combined with pressure sensor monitoring and an automated control system.

Benefits of technology

It improves wastewater treatment efficiency, reduces treatment costs, and is suitable for various wastewater treatment scenarios, including wastewater treatment plants, agricultural irrigation, and water purification, achieving efficient and flexible wastewater treatment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a two-stage sewage filtering tank and a treatment system, and relates to the technical field of sewage treatment, the two-stage sewage filtering tank comprises the two-stage sewage filtering tank, a raw water tank, a first-stage water tank, a second-stage water tank, a sampler and a control unit, the raw water tank is communicated with a raw water cavity through a water pump and a pipeline, the first-stage water tank is communicated with the first-stage water cavity, and the second-stage water tank is communicated with the second-stage water cavity; the second-stage water tank is communicated with the second-stage water cavity, the first-stage water tank and the second-stage water tank are both connected with the sampler, and the pump and the sampler are both in communication connection with the control unit. Two filter filler layers can be arranged in the filter tank body, primary water treated by the first filter filler layer enters the primary water tank, secondary water treated by the second filter filler layer is good in treatment degree and effect, the application range is wide, and the water treatment effect is good. The method can be applied to different wastewater treatment scenes of sewage treatment plants, agricultural irrigation, lakes, rivers and the like, and can also be applied to various fields of water treatment, wastewater treatment, tail water quality improvement and the like.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sewage treatment, particularly to a two-stage sewage filtering tank body and treatment system. BACKGROUND

[0002] The main means of controlling water pollution at present is chemical method and biological method, wherein the chemical method is to remove harmful substances in wastewater by adding chemical reagents, and the biological method is to use microorganisms to grow and treat pollutants. The application of these methods has achieved certain results, but due to various reasons, it still faces many challenges. For example, when using chemical reagents, the amount of reagents used is large, the cost is high, and at the same time, it will also pollute the environment and cause water quality to deteriorate; and the biological method needs a long processing time, often consumes a large amount of energy and invests a large amount of economic cost.

[0003] With the improvement of environmental awareness and the increasingly strict environmental regulations, the discharge standards and control requirements of sewage pollutants are becoming increasingly strict. This leads enterprises and industries to have to take more effective sewage measures to meet regulatory requirements and avoid potential environmental risks, making the research and application of sewage treatment devices an important market demand.

[0004] However, the sewage treatment device market also faces some challenges: on the one hand, the research and application of treatment technology need to invest a lot of funds and technical forces, and for some small-scale or limited funds enterprises, there may be certain difficulties; on the other hand, due to the wide source of sewage pollutants, the treatment process may involve multiple industries and fields, requiring cross-department cooperation and coordination. Therefore, it is necessary to research and develop a feasible two-stage sewage treatment device. SUMMARY

[0005] The utility model aims at providing a two-stage sewage filtering tank body and treatment system to solve the problems existing in the prior art, and the treatment of the two layers of filter material makes the sewage treatment effect better.

[0006] To achieve the above-mentioned purpose, the utility model provides the following scheme:

[0007] The utility model provides a two -stage sewage filtering tank body, including filter tank and filter filler layer, be provided with two layers of filler frame in the filter tank, at least one layer the filler frame is provided with the filter filler layer in, the shape of the filler frame is matched with the shape of the filter tank, and two the filler frame is successively set in the filter tank from big to small, the clearance between the filter tank and the outer filler frame is two -stage water chamber, the clearance between the outer filler frame and the inner filler frame is primary water chamber, the inner chamber surrounded by the inner filler frame is raw water chamber, the raw water chamber is used for communicating with sewage source, the primary water chamber is used for communicating with primary water tank, the two -stage water chamber is used for communicating with two -stage water tank, the sewage of raw water chamber can pass the filter filler layer and enter primary water chamber and two -stage water chamber in proper order.

[0008] Preferably, the filler frame includes an inner wall and an outer wall, the outer wall is evenly spaced and set on the outer wall of the inner wall, the inner wall and the outer wall are fixedly connected to the bottom plate of the filter tank, and the inner wall and the outer wall are uniformly distributed with water permeable holes.

[0009] Preferably, the diameter of the water permeable hole is 2mm, and the material of the filter tank and the filler frame is stainless steel.

[0010] Preferably, the filter tank and the filler frame are circular and arranged in concentric circles, the height of the filter tank and the filler frame is equal, and the top of the filter tank is sealingly connected with an arc top cover; a pressure sensor is arranged on the bottom of the primary water chamber and the secondary water chamber.

[0011] Preferably, the inner diameter of the inner filler frame is 20mm, the thickness of the interlayer of the inner filler frame and the outer filler frame is 45mm, and the spacing between the outer filler frame and the outer filler frame and the spacing between the outer filler frame and the filter tank are both 50mm.

[0012] Preferably, the filter filler layer includes volcanic rock particles or ceramic particles.

[0013] The utility model also relates to a two -stage sewage treatment system, including above -mentioned two -stage sewage filtering tank body, raw water tank, primary water tank, two -stage water tank, sampler and control unit, the raw water tank with the raw water chamber is connected through water pump and pipeline, the primary water tank is connected with primary water chamber, two -stage water tank with two -stage water chamber is connected, the primary water tank and two -stage water tank all are connected with the sampler, and the pump and the sampler all are with control unit communication connection.

[0014] Preferably, the two-stage sewage filtering tank, the raw water tank, the first-stage water tank, the second-stage water tank, the sampler and the control unit are arranged on a two-layer cabinet, the upper layer of the two-layer cabinet is provided with the two-stage sewage filtering tank, and the lower layer is provided with an electric control cabinet of the raw water tank, the first-stage water tank, the second-stage water tank, the sampler and the control unit side by side, the control unit comprises the electric control cabinet and a display, the display is arranged on the upper layer of the two-layer cabinet, and the display is a touch display.

[0015] Preferably, the first-stage water tank and the second-stage water tank have the same volume and are each half of the volume of the raw water tank, and the bottom of each of the first-stage water tank and the second-stage water tank is provided with a drain pipe, and the drain pipe is provided with a drain valve.

[0016] Preferably, the sampler comprises a sampling seat, a sampling pump, sampling pipes and sampling bottles, the first-stage water tank and the second-stage water tank are respectively connected with the sampling pump and the sampling pipes, each of the sampling pipes is provided with six sampling branch pipes, each of the sampling branch pipes is provided with an electromagnetic valve and is correspondingly provided below with a sampling bottle, and the sampling bottle is fixedly arranged in a groove of the sampling seat.

[0017] The utility model discloses the following technical effects are obtained relative to the prior art:

[0018] The filter tank body can be provided with two layers of filter filler layers, the first-stage water treated by the first layer of filter filler layers enters the first-stage water tank, the second-stage water treated by the second layer of filter filler layers has better treatment degree and effect, and the application range is wide, and the two-stage sewage treatment system can be applied in different wastewater treatment scenes such as sewage treatment plants, agricultural irrigation, lakes and rivers, and can also be applied to various fields such as water body treatment, wastewater treatment and tail water upgrading. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can also be obtained according to these drawings without creative labor for those skilled in the art.

[0020] Figure 1 It is a structure schematic view of the two-stage sewage filtering tank in the embodiment one of the utility model.

[0021] Figure 2 It is a structure schematic view of the two-stage sewage treatment system in the embodiment two of the utility model.

[0022] Figure 3 It is a side view structure drawing of the two-stage sewage treatment system in the embodiment two of the utility model.

[0023] Figure 4 It is the structure schematic view of sampling seat in the second embodiment of the utility model;

[0024] Figure 5 It is the structure schematic view of filter filler layer in the second embodiment of the utility model;

[0025] Figure 6 It is the principle schematic view of two-stage sewage treatment system in the second embodiment of the utility model;

[0026] In the figure: 1-filtering tank, 2-filter frame, 3-filter filler layer, 4-raw water cavity, 5-first-stage water cavity, 6-second-stage water cavity, 7-pressure sensor, 8-permeable hole, 9-raw water tank, 10-arc top cover, 11-two-layer cabinet body, 12-first-stage water tank, 13-second-stage water tank, 14-sampler, 15-electric control cabinet, 16-display, 17-water pump, 18-drain pipe, 19-sampling pump, 20-sampling seat, 21-sampling branch pipe, 22-solenoid valve, 23-sampling bottle. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] The utility model discloses a two-stage sewage filtering tank body and treatment system, which solves the problems in the prior art, and makes the sewage treatment effect better by setting two layers of filter materials.

[0029] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0030] Embodiment one

[0031] As Figure 1As shown, the embodiment provides a two-stage sewage filtering tank 1 body, which comprises a filtering tank 1 and a filtering filler layer 3. Two layers of filler frames 2 are arranged in the filtering tank 1. At least one layer of filler frame 2 is provided with a filtering filler layer 3. The shape of the filler frame 2 matches the shape of the filtering tank 1. The two layers of filler frames 2 are sequentially sleeved in the filtering tank 1 from large to small. The gap between the filtering tank 1 and the outer filler frame 2 is a two-stage water cavity 6. The gap between the outer filler frame 2 and the inner filler frame 2 is a one-stage water cavity 5. The inner cavity surrounded by the inner filler frame 2 is a raw water cavity 4. The raw water cavity 4 is used to communicate with a sewage source. The one-stage water cavity 5 is used to communicate with a one-stage water tank 12. The two-stage water cavity 6 is used to communicate with a two-stage water tank 13. The sewage in the raw water cavity 4 can enter the one-stage water cavity 5 and the two-stage water cavity 6 in turn through the filtering filler layer 3. In the embodiment, two layers of filtering filler layers 3 can be arranged in the filtering tank 1. The water treated by the first layer of filtering filler layer 3 is called one-stage water and is discharged into the one-stage water tank 12. The water treated by the second layer of filtering filler layer 3 also passes through the first layer of filter material. Therefore, the water is treated by two layers of filter materials, and the treatment degree and effect are higher. The water is called two-stage water. Considering the pollution degree of raw water quality, if the pollution degree is low, one-stage treatment can meet the water discharge requirement. In this way, the filtering filler layer 3 can be filled in both layers of filler frames 2, the material can be saved, the cost can be reduced, and the use mode is flexible.

[0032] As an optional solution, the filler frame 2 in the embodiment comprises an inner wall and an outer wall. The outer wall is sleeved on the outer wall at equal intervals. The inner wall and the outer wall are fixedly connected to the bottom plate of the filtering tank 1. The inner wall and the outer wall are uniformly provided with water permeable holes 8, which are convenient for water permeable filtration. In the embodiment, the middle part of the filler frame 2 is uniformly provided with water permeable holes 8, and the lower end is not provided with holes, which can ensure that the filler is fully contacted with water at the bottom end after the water flow enters for the first time. The upper end is not provided with holes because it is to be embedded with the cover of the device.

[0033] As an optional solution, the diameter of the water permeable hole 8 in the embodiment is 2 mm. The materials of the filtering tank 1 and the filler frame 2 are both stainless steel.

[0034] As an optional solution, the filtering tank 1 and the filler frame 2 in the embodiment are both circular and arranged in concentric circles. The height of the filtering tank 1 and the height of the filler frame 2 are equal. The top of the filtering tank 1 is sealingly connected with an arc top cover 10. In the embodiment, the filtering tank 1 as a whole presents a Mongolian yurt shape with a radius of 200 mm and a height of 300 mm. The volume is about 38 L. A perforated annular partition is arranged inside to divide the internal space into four parts. The two-stage water treatment is performed in the manner of “one layer of filler + one layer of water cavity”. Each of the two water cavities is provided with a water outlet hole at the bottom. The water is conveyed to the one-stage water tank 12 and the two-stage water tank 13 through the pipeline for storage and use and laboratory needs.

[0035] As an optional solution, the first-stage water cavity 5 and the bottom of the second-stage water cavity 6 are provided with a pressure sensor 7 in the embodiment for monitoring the internal pressure of the first-stage water cavity 5 and the second-stage water cavity 6, and the pressure sensor 7 is connected with a display screen of the control unit, so that the internal pressure data can be viewed in real time, and whether the filter filling layer 3 is blocked can be viewed, and when the floating value is too large when the data fluctuates, the filter tank 1 body or an abnormality occurs, and manual investigation is required.

[0036] As an optional solution, the inner diameter of the inner filling frame 2 is 20 mm, the thickness of the interlayer of the inner filling frame 2 and the outer filling frame 2 is 45 mm, and the spacing between the outer filling frame 2 and the outer filling frame 2 and the spacing between the outer filling frame 2 and the filter tank 1 are both 50 mm.

[0037] As an optional solution, the filter filling layer 3 includes volcanic rock particles or ceramsite, and the materials of the two filter filling layers can be the same or different, and the materials can be selected according to actual needs.

[0038] Embodiment Two

[0039] As shown in Figures 2 to 6 The embodiment provides a two-stage sewage treatment system, which includes the two-stage sewage filter tank 1 body, a raw water tank 9, a first-stage water tank 12, a second-stage water tank 13, a sampler 14 and a control unit. The raw water tank 9 is in communication with the raw water cavity 4 through a water pump 17 and a pipeline. The first-stage water tank 12 is in communication with the first-stage water cavity 5. The second-stage water tank 13 is in communication with the second-stage water cavity 6. The first-stage water tank 12 and the second-stage water tank 13 are both connected with the sampler 14. The pump and the sampler 14 are both in communication connection with the control unit. The first-stage water tank 12 and the second-stage water tank 13 both have a size of 150 mm*500 mm*3500 mm, and a volume of about 20 L.

[0040] As an optional solution, the two-stage sewage filter tank 1 body, the raw water tank 9, the first-stage water tank 12, the second-stage water tank 13, the sampler 14 and the control unit are all arranged on a two-layer cabinet body 11. The upper layer of the two-layer cabinet body 11 is provided with the two-stage sewage filter tank 1 body, and the lower layer is provided with the raw water tank 9, the first-stage water tank 12, the second-stage water tank 13, the sampler 14 and an electric control cabinet 15 of the control unit in parallel. The control unit includes the electric control cabinet 15 and a display 16. The display 16 is arranged on the upper layer of the two-layer cabinet body 11, and the display 16 is a touch display 16. The raw water tank 9 is used for storing raw water. The first-stage water tank 12 and the second-stage water tank 13 are respectively connected with corresponding water bodies for storage and detection.

[0041] As an alternative, the volume of the first water tank 12 and the second water tank 13 is the same and is half of the volume of the raw water tank 9 in the embodiment, and the bottom of the first water tank 12 and the second water tank 13 is provided with a drain pipe 18, and the drain pipe 18 is provided with a drain valve. In the embodiment, when there is a sampling requirement, it can enter the sampler 14 through the sampling pump 19, and when there is no sampling requirement, it can be directly drained through the drain pipe 18.

[0042] As an alternative, the sampler 14 includes a sampling seat 20, a sampling pump 19, a sampling pipe and a sampling bottle 23 in the embodiment, and the first water tank 12 and the second water tank 13 are respectively connected with the sampling pump 19 and the sampling pipe, each sampling pipe is provided with six sampling branch pipes 21, each sampling branch pipe 21 is provided with an electromagnetic valve 22 and is correspondingly provided with a sampling bottle 23 below, and the sampling bottle 23 is fixedly arranged in the groove of the sampling seat 20. The sampler 14 in the embodiment is controlled by computer programming to realize the automatic operation process, and two groups of sampling bottles 23 are distributed on the sampling seat 20, each group has six sampling bottles, the electromagnetic valve 22 corresponds to the sampling bottle 23 one by one, the sampling time and the sampling interval are intervened by different set parameters through program design, and the start and stop of the sampling pump 19 and the electromagnetic valve 22 are controlled, and manual mode and automatic mode can be switched through the electric control cabinet to meet various actual requirements.

[0043] The principle and implementation mode of the specific examples are described in the utility model, and the above embodiment is only used to help understand the method and core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the utility model, the specific implementation mode and application range will be changed. In conclusion, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A two-stage sewage filter tank, characterised in that: The filter tank and the filter filler layer, at least one of the filter filler layers is arranged in the filter frame, the shape of the filter frame matches the shape of the filter tank, and the two filter frames are sequentially arranged in the filter tank from large to small, the gap between the filter tank and the outer filter frame is a secondary water cavity, the gap between the outer filter frame and the inner filter frame is a primary water cavity, the inner cavity surrounded by the inner filter frame is a raw water cavity, the raw water cavity is used for communicating with a sewage source, the primary water cavity is used for communicating with a primary water tank, the secondary water cavity is used for communicating with a secondary water tank, and the sewage in the raw water cavity can enter the primary water cavity and the secondary water cavity in sequence through the filter filler layer.

2. The two-stage sewage filtration canister of claim 1, wherein: The filter frame comprises an inner wall and an outer wall, the outer wall is equidistantly sleeved on the outer wall, and the inner wall and the outer wall are fixedly connected to the bottom plate of the filter tank.

3. The two-stage sewage filtration canister of claim 2, wherein: The diameter of the water permeable hole is 2mm, and the materials of the filter tank and the filter frame are stainless steel.

4. The two-stage sewage filtration canister of claim 1, wherein: The filter tank and the filter frame are circular and arranged in concentric circles, the height of the filter tank and the filter frame is equal, and the top of the filter tank is sealingly connected with an arc top cover.

5. The two-stage sewage filtration canister of claim 4, wherein: The inner diameter of the inner filter frame is 20mm, the thickness of the interlayer of the inner filter frame and the outer filter frame is 45mm, and the spacing between the outer filter frame and the outer filter frame and the spacing between the outer filter frame and the filter tank are both 50mm.

6. The two-stage sewage filtration canister of claim 1, wherein: The filter filler layer comprises volcanic rock particles or ceramic particles.

7. A two-stage sewage treatment system characterised in that: The two-stage sewage filter tank body, the raw water tank, the primary water tank, the secondary water tank, the sampler and the control unit, the raw water tank is connected with the raw water cavity through a water pump and a pipeline, the primary water tank is connected with the primary water cavity, the secondary water tank is connected with the secondary water cavity, the primary water tank and the secondary water tank are connected with the sampler, and the pump and the sampler are connected with the control unit.

8. The two-stage sewage treatment system of claim 7, wherein: The two-stage sewage filter tank body, the raw water tank, the primary water tank, the secondary water tank, the sampler and the control unit are arranged on a two-layer cabinet, the upper layer of the two-layer cabinet is provided with the two-stage sewage filter tank body, the lower layer is provided with an electric control cabinet of the raw water tank, the primary water tank, the secondary water tank, the sampler and the control unit, the control unit comprises the electric control cabinet and a display, the display is arranged on the upper layer of the two-layer cabinet, and the display is a touch display.

9. The two-stage sewage treatment system of claim 7, wherein: The volume of the primary water tank and the secondary water tank is the same and is half of the volume of the raw water tank, and the bottom of the primary water tank and the secondary water tank is provided with a drain pipe.

10. The two-stage wastewater treatment system of claim 7, wherein: The sampler comprises a sampling seat, a sampling pump, sampling tubes and sampling bottles, the primary water tank and the secondary water tank are respectively connected with the sampling pump and the sampling tubes, six sampling branch pipes are arranged on each of the sampling tubes, an electromagnetic valve is arranged on each of the sampling branch pipes and a sampling bottle is correspondingly arranged below each of the sampling branch pipes, and the sampling bottles are fixedly arranged in grooves of the sampling seat.