Skid-mounted high-cold domestic sewage treatment equipment

Abstract

The utility model relates to skid-mounted high-cold domestic sewage treatment equipment which comprises a treatment tank, an anaerobic treatment cavity, a filter cavity and an oxygenation cavity are sequentially arranged in the treatment tank from bottom to top, a water inlet is formed in the bottom of the anaerobic treatment cavity, a plurality of horizontal partition plates are arranged in the anaerobic treatment cavity, water passing holes are formed in the edges of the partition plates, and the water passing holes are communicated with the filter cavity. The water passing holes in the two adjacent partition plates are located in the two side edges of the partition plates correspondingly; a filter material is arranged in the filter cavity, and an oxygenation mechanism is arranged in the oxygenation cavity. The internal space of the treatment tank is fully utilized, and compared with the prior art, the structure is more compact, the occupied area is smaller, and the transportation and installation construction difficulty is reduced.

Description

Technical Field

[0001] This utility model belongs to the field of water treatment equipment, and in particular a skid-mounted high-altitude domestic sewage treatment equipment. Background Technology

[0002] Low temperatures, especially in winter, make it difficult for traditional wastewater treatment facilities to operate normally in cold rural areas. Furthermore, the dispersed nature of rural residents makes centralized wastewater treatment difficult, necessitating the construction of numerous small-scale wastewater treatment facilities, which are challenging and time-consuming to build. Patent application CN202211205393.0 discloses a wastewater treatment device and method for cold rural areas, comprising a prefabricated first anaerobic tank, a second anaerobic tank, a contact anaerobic biofilm tank, and a filter tank. The lower part of the inner cavity of the first anaerobic tank, second anaerobic tank, contact anaerobic biofilm tank, and filter tank serves as the treatment chamber. During installation, the treatment chamber is located below the permafrost layer to prevent the low external temperature from affecting the activity of microorganisms during the cold season. While this method ensures microbial activity, it only utilizes the lower cavity of the first anaerobic tank, second anaerobic tank, and contact anaerobic biofilm tank, wasting the upper cavity and hindering efforts to reduce the overall size and cost of the equipment. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a skid-mounted high-altitude domestic sewage treatment equipment with a more compact structure and reduced equipment size.

[0004] To solve the above problems, the technical solution adopted by this utility model is as follows: a skid-mounted high-altitude domestic sewage treatment equipment, including a treatment tank, wherein an anaerobic treatment chamber, a filtration chamber, and an aeration chamber are arranged sequentially from bottom to top in the treatment tank. An inlet is provided at the bottom of the anaerobic treatment chamber, and multiple horizontal baffles are provided inside the anaerobic treatment chamber. Water passage holes are provided on the edges of the baffles, and the water passage holes on two adjacent baffles are located on the two sides of the baffles respectively. Filter media is provided inside the filtration chamber, and an aeration mechanism is provided inside the aeration chamber.

[0005] Furthermore, the filter material includes a mesh box, and a first particle filter layer, a second particle filter layer and a third particle filter layer are arranged sequentially from bottom to top inside the mesh box, with the particle size of the first particle filter layer, the second particle filter layer and the third particle filter layer increasing sequentially.

[0006] Furthermore, a support frame is provided on the top of the processing tank, and the support frame is attached to the support frame by a hanging rope.

[0007] Furthermore, a vertical connecting column is provided at the center of the anaerobic treatment chamber. The connecting column passes through each partition and is fixedly connected to the partition. The edge of the partition is fitted with the inner wall of the treatment tank with a clearance.

[0008] Furthermore, a sludge discharge pipe is provided at the bottom of the anaerobic treatment chamber, and the sludge discharge pipe is connected to a sludge discharge pump.

[0009] Furthermore, the outer wall of the processing tank is provided with a heat insulation layer.

[0010] Furthermore, a solar power generation mechanism is provided on the top of the treatment tank, and an electric heating wire is provided between the insulation layer and the treatment tank. The solar power generation mechanism is connected to the electric heating wire.

[0011] Furthermore, a drain outlet is provided at the top of the oxygenation chamber.

[0012] Furthermore, the top of the processing tank is provided with multiple lifting lugs.

[0013] Furthermore, the oxygenation mechanism includes an air pump connected to an upper pipe network and a lower pipe network. The upper pipe network is provided with multiple upper air outlets facing the lower pipe network, and the lower pipe network is provided with multiple lower air outlets facing the upper pipe network.

[0014] The beneficial effects of this invention are as follows: The invention is a circular or square treatment tank. The anaerobic treatment chamber is located at the bottom of the tank, below the permafrost layer, preventing water freezing. Geothermal energy is used to maintain the water temperature and ensure the activity of anaerobic microorganisms. The space above the anaerobic treatment chamber serves as a filtration and aeration chamber. The aeration chamber, located near the ground, is used to oxygenate the filtered water, preventing it from turning black and smelly. Furthermore, during aeration, air is typically introduced into the water, creating disturbance and preventing the water surface from freezing.

[0015] This invention makes full use of the space inside the treatment tank. Compared with the prior art, it has a more compact structure, occupies less area, and reduces the difficulty of transportation and installation. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the front sectional view of this utility model;

[0017] Figure reference numerals: 1—Anaerobic treatment chamber; 2—Filtration chamber; 3—Oxygenation chamber; 4—Inlet; 5—Baffle plate; 6—Water passage hole; 7—Filter media; 71—Net cage; 72—First granular filter layer; 73—Second granular filter layer; 74—Third granular filter layer; 8—Oxygenation mechanism; 81—Upper pipe network; 82—Lower pipe network; 9—Support frame; 10—Hanging rope; 11—Connecting column; 12—Sludge discharge pipe; 13—Sludge discharge pump; 14—Insulation layer; 15—Solar power generation mechanism; 16—Heating wire; 17—Drain outlet; 18—Lifting lug. Detailed Implementation

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0019] This utility model relates to a skid-mounted high-altitude cold-weather domestic sewage treatment equipment, such as... Figure 1 As shown, the device includes a treatment tank, which contains, from bottom to top, an anaerobic treatment chamber 1, a filtration chamber 2, and an aeration chamber 3. The bottom of the anaerobic treatment chamber 1 has an inlet 4, and multiple horizontal baffles 5 are installed inside the anaerobic treatment chamber 1. The edges of the baffles 5 have water passage holes 6, and the water passage holes 6 on two adjacent baffles 5 are located on opposite sides of the baffles 5. The filtration chamber 2 contains filter media 7, and the aeration chamber 3 contains an aeration mechanism 8.

[0020] The treatment tank can be made of metal, such as stainless steel, with anti-corrosion paint applied inside and out. The treatment tank can be round or rectangular. Anaerobic treatment chamber 1 is used for anaerobic treatment of wastewater, utilizing the growth of anaerobic microorganisms to decompose organic matter and other pollutants in the wastewater. Because rural domestic wastewater is characterized by low oxygen content and high organic matter content, anaerobic treatment has a good treatment effect. Multiple baffles 5 are installed in anaerobic treatment chamber 1 to extend the flow path of the wastewater within it, ensuring treatment effectiveness. Filtration chamber 2 is used to filter the wastewater, removing solid impurities and sludge. The filtered water enters oxygenation chamber 3, where oxygenation mechanism 8 aerates and oxygenates the water, increasing its oxygen content and preventing foul odors.

[0021] The treatment tank of this invention can be centrally manufactured in a factory and then transported to high-altitude rural areas for installation, reducing the construction difficulty of the treatment facility and improving construction efficiency. During installation, an installation pit is dug in the ground, with the depth of the installation hole ensuring that the distance from the frozen soil layer to the bottom of the installation pit is greater than or equal to the depth of the anaerobic treatment chamber 1. After the installation pit is dug, the entire treatment tank is placed in it, with the top of the tank either above, level with, or slightly below the ground level. Then, the inlet 4 is connected to the sewage conveying pipeline, and soil is filled between the treatment tank and the installation pit and compacted to ensure the stability of the treatment tank.

[0022] After the treatment tanks are installed, the anaerobic treatment chamber 1 is located below the permafrost layer, unaffected by external cold, and can utilize underfloor heating to maintain water temperature, ensuring the activity of anaerobic microorganisms. The filtration chamber 2 is also located in the permafrost layer. Because the wastewater in the anaerobic treatment chamber 1 has a higher temperature, it is less likely to freeze in the filtration chamber 2, ensuring smooth filtration. The aeration chamber 3 is close to the ground, and its water surface is prone to freezing. However, this invention incorporates an aeration mechanism 8 in the aeration chamber 3. The aeration mechanism 8 aerates the water in the aeration chamber 3, and the air disturbs the water, preventing the surface from freezing. Therefore, the entire facility can operate in low-temperature environments.

[0023] The filter media 7 can utilize various existing filtration methods. Preferably, the filter media 7 includes a mesh box 71, which can be made of stainless steel wire mesh. Inside the mesh box 71, from bottom to top, are arranged a first particle filter layer 72, a second particle filter layer 73, and a third particle filter layer 74, with the particle size increasing sequentially from the first particle filter layer 72 to the third particle filter layer 74. Through multi-layer filtration, particles in the water can be effectively removed. Furthermore, microorganisms can grow on the particle surface, improving the removal rate of pollutants. The first particle filter layer 72 can be made of gravel, the second particle filter layer 73 can be made of volcanic rock, and the third particle filter layer 74 can be made of pebbles.

[0024] To facilitate the disassembly and replacement of the filter media 7, a support frame 9 is installed on the top of the treatment tank. The support frame 9 is attached to the tank via hanging ropes 10. The support frame 9 is fixed to the upper port of the treatment tank. Multiple hanging rings are provided on the lower surface of the support frame 9, and hooks are provided at the upper ends of the hanging ropes 10. The hooks are then attached to the hanging rings. There can be four or three hanging ropes 10 to stably support the filter media 7. The hanging ropes 10 can be made of steel wire rope.

[0025] To facilitate the installation and removal of the partitions 5, a vertical connecting column 11 is provided at the center of the anaerobic treatment chamber 1. The connecting column 11 passes through each partition 5 and is fixedly connected to the partition 5. The edge of the partition 5 is fitted with the inner wall of the treatment tank with a clearance. The partitions 5 can be made of metal plates, and the connecting column 11 can be made of metal columns. Preferably, the partitions 5 can be made of plastic plates, and the connecting column 11 can be made of plastic columns. When installing each partition 5, the connecting column 11 and each partition 5 are placed into the treatment tank at the same time. The lower end of the connecting column 11 should contact the bottom plate of the treatment tank. All partitions 5 can be installed in one go, and all partitions 5 can be removed at the same time, making the operation convenient. After the filter media 7 is installed, the lower surface of the filter media 7 presses against the upper end of the connecting column 11, which can ensure the stability of the connecting column 11 and the partitions 5.

[0026] The sludge produced by anaerobic treatment and the particles carried in the sewage settle to the bottom of the anaerobic treatment chamber 1. In order to periodically discharge the sediment, a sludge discharge pipe 12 is installed at the bottom of the anaerobic treatment chamber 1, and the sludge discharge pipe 12 is connected to a sludge discharge pump 13.

[0027] To reduce the impact of low external temperatures on wastewater treatment, the outer wall of the treatment tank is equipped with an insulation layer 14, which is made of existing materials such as insulation cotton.

[0028] To further increase the temperature of the treatment tank, a solar power generation mechanism 15 is installed on the top of the tank. An electric heating wire 16 is installed between the insulation layer 14 and the treatment tank, and the solar power generation mechanism 15 is connected to the electric heating wire 16. The electric heating wire 16 can be installed on the outer wall of the anaerobic treatment chamber 1. The solar power generation mechanism 15 can be based on existing technology and can be installed on the support frame 9. The solar power generation mechanism 15 is higher than the ground to facilitate sunlight exposure. Solar power generates electricity, which is directly transmitted to the electric heating wire 16. The heating wire 16 generates heat, raising the temperature of the treatment tank and improving the wastewater treatment effect.

[0029] The top of the oxygenation chamber 3 is equipped with a drain outlet 17 for discharging filtered and oxygenated water.

[0030] During the transportation and installation of the treatment tank, lifting equipment is usually required to lift the treatment tank. To facilitate lifting, the top of the treatment tank is equipped with multiple lifting lugs 18, which can be two, three, or four.

[0031] In this invention, the aeration mechanism 8 includes an air pump connected to an upper pipe network 81 and a lower pipe network 82. Both the upper and lower pipe networks 81 and 82 are horizontally arranged, with the upper pipe network 81 located above the lower pipe network 82. The upper pipe network 81 has multiple upper air outlets facing the lower pipe network 82, and the lower pipe network 82 has multiple lower air outlets facing the upper pipe network 81. The air pump can deliver outside air to the upper and lower pipe networks 81. Some air enters the upper pipe network 81 and is sprayed into the lower pipe network 82 through the upper air outlets, while the other part of the air enters the lower pipe network 82 and is sprayed into the upper pipe network 81 through the lower air outlets. The two parts of air move in opposite directions, which can intensify the disturbance of the water body, forming smaller bubbles, which is beneficial to improving the aeration effect.

[0032] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A skid-mounted high-altitude domestic sewage treatment equipment, characterized in that: The system includes a treatment tank, which contains, from bottom to top, an anaerobic treatment chamber (1), a filtration chamber (2), and an aeration chamber (3). The anaerobic treatment chamber (1) has an inlet (4) at its bottom and multiple horizontal baffles (5) inside. Each baffle (5) has a water passage hole (6) on its edge, and the water passage holes (6) on two adjacent baffles (5) are located on opposite sides of the baffle (5). The filtration chamber (2) contains filter media (7), and the aeration chamber (3) contains an aeration mechanism (8).

2. The skid-mounted high-altitude domestic sewage treatment equipment as described in claim 1, characterized in that: The filter material (7) includes a mesh box (71), and a first particle filter layer (72), a second particle filter layer (73) and a third particle filter layer (74) are arranged in the mesh box (71) from bottom to top, and the particle size of the first particle filter layer (72), the second particle filter layer (73) and the third particle filter layer (74) increases sequentially.

3. The skid-mounted high-altitude domestic sewage treatment equipment as described in claim 2, characterized in that: The top of the processing tank is provided with a support frame (9), and the support frame (9) is attached to the support frame (9) by a hanging rope (10).

4. The skid-mounted high-altitude domestic sewage treatment equipment as described in claim 1, characterized in that: A vertical connecting column (11) is provided in the center of the anaerobic treatment chamber (1). The connecting column (11) passes through each partition (5) and is fixedly connected to the partition (5). The edge of the partition (5) is fitted with the inner wall of the treatment tank with a gap.

5. The skid-mounted high-altitude domestic sewage treatment equipment as described in claim 1, characterized in that: The bottom of the anaerobic treatment chamber (1) is provided with a sludge discharge pipe (12), and the sludge discharge pipe (12) is connected to a sludge discharge pump (13).

6. The skid-mounted high-altitude domestic sewage treatment equipment as described in claim 1, characterized in that: The outer wall of the treatment tank is provided with a heat insulation layer (14).

7. The skid-mounted high-altitude domestic sewage treatment equipment as described in claim 6, characterized in that: A solar power generation mechanism (15) is provided on the top of the treatment tank, and an electric heating wire (16) is provided between the insulation layer (14) and the treatment tank. The solar power generation mechanism (15) is connected to the electric heating wire (16).

8. The skid-mounted high-altitude domestic sewage treatment equipment as described in claim 6, characterized in that: The top of the oxygenation chamber (3) is provided with a drain outlet (17).

9. The skid-mounted high-altitude domestic sewage treatment equipment as described in claim 1, characterized in that: The top of the processing tank is provided with multiple lifting lugs (18).

10. The skid-mounted high-altitude domestic sewage treatment equipment as described in claim 1, characterized in that: The oxygenation mechanism (8) includes an air pump connected to an upper pipe network (81) and a lower pipe network (82). The upper pipe network (81) is provided with multiple upper air outlets facing the lower pipe network (82), and the lower pipe network (82) is provided with multiple lower air outlets facing the upper pipe network (81).

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