A garden type bio-membrane low C / N sewage treatment device suitable for AAO post-treatment

Abstract

The utility model relates to sewage treatment technical field discloses a garden type biological membrane low C / N sewage treatment device suitable for AAO post -treatment, including water storage pool, the outer wall top equidistance of water storage pool is installed with the purification mechanism, the purification mechanism is used in the phenomenon that organic matter concentration is lower and lower, ammonia nitrogen nutrient is higher and higher in city domestic sewage treatment, the outer wall front end middle part of water storage pool is installed with the dosing mechanism, the dosing mechanism is used for chemical auxiliary equipment to run and increases equipment processing efficiency, and prevents water body influence plant growth. In the utility model, after water storage pool enters sewage to be handled, sewage enters the suspension box through the filter hole, the fiber suspension type filler, the haydite and the zeolite filter treatment water body in the box hang the membrane, absorb the impurities, need to replace the absorption plant, and the planting tray is moved by the upper fixed part.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, and in particular to a garden-style biofilm low C / N wastewater treatment device suitable for AAO post-treatment. Background Technology

[0002] Research and application of carbon reduction technologies for urban wastewater systems have become an important direction for current water environment management and sustainable development. Urban wastewater treatment is one of the industries with high energy consumption and high carbon emissions. Its carbon emissions mainly come from direct and indirect emissions. Garden-style biofilm treatment has become a better treatment device due to its practicality and landscape value.

[0003] Biofilm treatment is a commonly used wastewater treatment method. A biofilm is a bacterial community that aggregates on a solid surface. The biofilm method cultivates microorganisms with different activities and electron acceptors on the surface of a carrier. The microorganisms multiply in large numbers on the filter media, leading to an increase in biofilm thickness. They also enrich each other through the entanglement of extracellular polymers, making the carrier surface porous and with good adsorption capacity. Through metabolism, they remove and degrade substances in the water, exhibiting good degradation and synthesis capabilities. However, the material combinations of existing garden-style biofilm low C / N wastewater treatment devices for AAO post-treatment lack synergistic effects and cannot replace plants in a timely manner. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a garden-style biofilm low C / N wastewater treatment device suitable for AAO post-treatment, aiming to improve the problem of material combinations not complementing each other in the prior art.

[0005] To achieve the above objectives, this utility model adopts the following technical solution: a garden-style biofilm low C / N wastewater treatment device suitable for AAO post-treatment, comprising a water storage tank. Purification mechanisms are equidistantly installed on the top of the outer wall of the water storage tank. These purification mechanisms address the phenomenon of decreasing organic matter concentration and increasing ammonia nitrogen nutrient concentration in urban domestic wastewater treatment. A dosing mechanism is installed at the middle of the front end of the outer wall of the water storage tank. This dosing mechanism is used to chemically assist the equipment in operation, increasing treatment efficiency and preventing water from affecting plant growth. The purification mechanism includes a suspended box, which is equidistantly installed on the top of the outer wall of the water storage tank. The outer wall of the suspended box has equidistant openings... The device has multiple filter holes. Multiple fiber-suspended packing materials are installed at the bottom of the inner wall of the suspension box. Ceramsite is installed at the top of the outer wall of the fiber-suspended packing materials. Zeolite is installed at the top of the outer wall of the ceramsite. A planting tray is installed in the middle of the inner wall of the suspension box. Absorbent plants are installed at the top of the outer wall of the planting tray. Fixing members are fixedly connected to the left and right ends of the top of the outer wall of the planting tray. A pin hole is opened on the right side of the outer wall of the fixing member. Insertion holes are opened on the left and right sides of the top of the inner wall of the suspension box. Slanted pins are rotatably connected to the left and right ends of the top of the inner wall of the water storage tank. A second spring is fixedly connected to the top of the outer wall of the slanted pin, and a first spring is fixedly connected to the bottom of the outer wall of the slanted pin.

[0006] As a further description of the above technical solution: The dosing mechanism includes a connecting pipe located at the middle of the front side of the outer wall of the water storage tank. A sloping groove is formed in the middle of the inner wall of the connecting pipe. Nozzles are installed at equal intervals on the top front side of the inner wall of the connecting pipe. A sensor is fixedly connected to the bottom front side of the inner wall of the connecting pipe. A quartz sand filter column is fixedly connected to the rear side of the inner wall of the connecting pipe. A pipeline is connected to the top of the outer wall of the connecting pipe, and a storage tank is connected to the top of the outer wall of the pipeline.

[0007] As a further description of the above technical solution: The reservoir has brackets fixedly connected to the four corners of the top of its outer wall, and rain shelters are fixedly connected to the top of the outer walls of the brackets.

[0008] As a further description of the above technical solution: A connecting channel is fixed to the top of the outer wall of the water storage tank, and a central beam is fixedly connected to the middle of the top of the outer wall of the connecting channel.

[0009] As a further description of the above technical solution: The outer wall of the water storage tank has a drainage hole at the rear end, and the outer wall of the drainage hole is connected to a drainage pipe.

[0010] As a further description of the above technical solution: A sign is fixedly connected to the front right side of the outer wall of the suspension box, and handles are fixedly connected to the top left and right sides of the outer wall of the suspension box.

[0011] As a further description of the above technical solution: A water outlet pipe is connected to the middle of the front side of the outer wall of the connecting pipe, and a water inlet pipe is connected to the middle of the rear side of the outer wall of the connecting pipe.

[0012] As a further description of the above technical solution: A support frame is fixedly connected to the top center of the outer wall of the connecting pipe, and a dosing port is provided at the top of the outer wall of the storage tank.

[0013] This utility model has the following beneficial effects: 1. In this utility model, after the sewage to be treated enters the water storage tank, the sewage enters the suspended box through the filter holes. The fiber-suspended packing material with a membrane, ceramsite, and zeolite inside the box filters and treats the water. At the same time, the roots of the absorbent plants are immersed in the water through the planting tray to absorb impurities. When the absorbent plants need to be replaced, the lifting of the fixing part moves the planting tray, causing the slanted pin to rotate upward from the pin hole. The fixing part is disengaged from the insertion hole, and the second spring resets the slanted pin. After replacement, the planting tray is placed in the suspended box, the fixing part is aligned with the insertion hole and inserted, and the slanted pin is squeezed to rotate downward. The first spring springs the slanted pin into the pin hole. The cutting design stabilizes the fixing part and continues to treat the water. This allows the materials to work together and the timely replacement of plants through the tray reduces the impact of the plant growth cycle on water treatment.

[0014] 2. In this utility model, the treated wastewater flows into the connecting pipe through the outlet pipe. Sensors monitor the wastewater quality, and after data processing, the neutralizing agent in the storage tank flows through the pipeline to the nozzle, which injects the water into the water body. Subsequently, the water flows through the inclined trough, whose groove design allows impurities to accumulate, preventing non-degradable substances from entering the water storage tank. Finally, suspended solids in the water are removed by a quartz sand filter column to avoid clogging the biofilm carrier. The treatment efficiency of the equipment is improved by the assistance of chemical agents. Attached Figure Description

[0015] Figure 1 This is a perspective view of a garden-style biofilm low C / N wastewater treatment device suitable for AAO post-treatment proposed in this utility model; Figure 2 This is a front view of a garden-style biofilm low C / N wastewater treatment device suitable for AAO post-treatment proposed in this utility model; Figure 3 This is a partial structural exploded view of a garden-style biofilm low C / N wastewater treatment device suitable for AAO post-treatment proposed in this utility model; Figure 4This is a partial structural schematic diagram of a garden-style biofilm low C / N wastewater treatment device suitable for AAO post-treatment proposed in this utility model; Figure 5 This is a partial structural enlarged view of a garden-style biofilm low C / N wastewater treatment device suitable for AAO post-treatment proposed in this utility model; Figure 6 This is a schematic diagram illustrating the structure of a garden-style biofilm low C / N wastewater treatment device suitable for AAO post-treatment proposed in this utility model.

[0016] Legend: 1. Water storage tank; 2. Purification mechanism; 201. Hanging box; 202. Filter hole; 203. Fiber hanging packing; 204. Ceramsite; 205. Zeolite; 206. Planting tray; 207. Fixing component; 208. Slanted pin; 209. Spring 1; 210. Spring 2; 211. Pin hole; 212. Insertion hole; 213. Absorbent plant; 3. Dosing mechanism; 301. Connecting pipe; 302. Inclined groove; 303. Quartz sand filter column; 304. Sensor; 305. Nozzle; 306. Pipeline; 307. Storage tank; 4. Handle; 5. Sign; 6. Bracket; 7. Rain shelter; 8. Central beam; 9. Dosing port; 10. Support frame; 11. Inlet pipe; 12. Outlet pipe; 13. Drain hole; 14. Drain pipe; 15. Connecting channel. Detailed Implementation

[0017] 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.

[0018] Reference Figure 3 , Figure 4 and Figure 5This utility model provides an embodiment of a garden-style biofilm low C / N wastewater treatment device suitable for AAO post-treatment, comprising a water storage tank 1. Purification mechanisms 2 are equidistantly installed on the top of the outer wall of the water storage tank 1. The purification mechanisms 2 address the phenomenon of decreasing organic matter concentration and increasing ammonia nitrogen and nutrients in urban domestic wastewater treatment. A dosing mechanism 3 is installed at the middle of the front end of the outer wall of the water storage tank 1. The dosing mechanism 3 is used to assist the operation of the chemical equipment, increase the treatment efficiency, and prevent the water from affecting plant growth. The purification mechanism 2 includes a suspended box 201, which is equidistantly installed on the top of the outer wall of the water storage tank 1. Multiple filter holes 202 are equidistantly opened on the outer wall of the suspended box 201. Multiple fiber-suspended packing materials 203 are arranged at the bottom of the inner wall of the suspended box 201. Ceramsite 204 is arranged on the top of the outer wall of the fiber-suspended packing materials 203. Zeolite 205 is provided on the top of the outer wall. A planting tray 206 is provided in the middle of the inner wall of the hanging box 201. An absorbent plant 213 is provided on the top of the outer wall of the planting tray 206. Fixing parts 207 are fixedly connected to the top left and right ends of the outer wall of the planting tray 206. A pin hole 211 is opened on the right side of the outer wall of the fixing part 207. Insertion holes 212 are opened on the top left and right sides of the inner wall of the hanging box 201. A beveled pin 208 is rotatably connected to the top left and right ends of the inner wall of the water storage tank 1. A spring 210 is fixedly connected to the top of the outer wall of the beveled pin 208. A spring 209 is fixedly connected to the bottom of the outer wall of the beveled pin 208. A sign 5 is fixedly connected to the front right end of the outer wall of the hanging box 201. A handle 4 is fixedly connected to the top left and right sides of the outer wall of the hanging box 201. A drain hole 13 is opened at the rear end of the outer wall of the water storage tank 1. A drain pipe 14 is connected to the outer wall of the drain hole 13. Specifically, when the water storage tank 1 receives the sewage to be treated, the sewage enters the interior of the suspended box 201 through the filter holes 202. At this time, the pre-installed biofilm fiber suspended packing 203, ceramsite 204, and zeolite 205 inside the suspended box 201 simultaneously contact the sewage. The biofilm fiber suspended packing 203, ceramsite 204, and zeolite 205 adsorb and degrade pollutants through biofilm and filter water impurities and adsorb harmful substances through their porous structure, thus jointly filtering and purifying the water. At the same time, the absorbent plants 213 planted on the planting tray 206 penetrate the pores of the planting tray 206 and immerse themselves in the water, removing impurities from the water through root absorption. When the absorbent plants 213 need to be replaced due to water treatment requirements, the fixing parts 207 on both sides of the planting tray 206 are lifted upwards, and the fixing parts 207 drive the planting tray 206 to move upwards simultaneously. During the movement of the fixing parts 207, the pin holes 211 on their side walls engage with the beveled pins 208. An upward force is generated, causing the beveled pin 208 to rotate upward within the pin hole 211. The beveled pin 208 disengages from the restraint on the fixing member 207, and the fixing member 207 subsequently disengages from the insertion hole 212 on the inner wall of the hanging box 201. After the fixing member 207 disengages, the spring 210 releases its elastic potential energy, pushing the beveled pin 208 to rotate in the opposite direction and reset. After replacing the new absorbent plant 213, the planting tray 206 is aligned with the installation position of the hanging box 201 and placed in, with the fixing member 207 inserted into the insertion hole 212. At 12 o'clock, the inclined surface of the fixing member 207 presses against the beveled pin 208, causing the beveled pin 208 to rotate downwards; when the fixing member 207 is fully inserted and the pin hole 211 is aligned with the beveled pin 208, the spring 209 pushes the beveled pin 208 into the pin hole 211. Through the engagement of the beveled pin 208 with the cut structure of the pin hole 211, the axial displacement of the fixing member 207 is restricted, so that the fixing member 207 is fixed inside the suspension box 201, and the absorbing plant 213 restores its treatment effect on the water.

[0019] Reference Figure 1 , Figure 2 and Figure 6 The dosing mechanism 3 includes a connecting pipe 301, which is located at the middle of the front side of the outer wall of the water storage tank 1. A sloping groove 302 is formed in the middle of the inner wall of the connecting pipe 301. Spray nozzles 305 are equidistantly installed on the top front side of the inner wall of the connecting pipe 301. The spray nozzles 305 are open-type spray nozzles. A sensor 304 is fixedly connected to the bottom front side of the inner wall of the connecting pipe 301. The sensor 304 is a COD (chemical oxygen demand) sensor. A quartz sand filter column 303 is fixedly connected to the rear side of the inner wall of the connecting pipe 301. A pipe 306 is connected to the top of the outer wall of the connecting pipe 301. A storage tank 307 is connected to the top of the outer wall of the pipe 306. A water outlet pipe 12 is connected to the middle of the front side of the outer wall of the connecting pipe 301. A water inlet pipe 11 is connected to the middle of the rear side of the outer wall of the connecting pipe 301. A support frame 10 is fixedly connected to the middle of the top of the outer wall of the connecting pipe 301. A dosing port 9 is provided at the top of the outer wall of the storage tank 307. Specifically, the wastewater treated in the previous step is discharged through the outlet pipe 12, flowing along the outlet pipe 12 and into the connecting pipe 301. The sensor 304 installed on the connecting pipe 301 is activated to monitor the water quality parameters of the wastewater in real time. The sensor 304 outputs the monitored water quality data, which is processed and analyzed by the system to determine the required amount of neutralizing chemical agent. The storage tank 307 pre-stores the neutralizing chemical agent. According to the required dosage after treatment, the agent in the storage tank 307 is transported to the nozzle 305 through the pipe 306. After receiving the agent, the nozzle 305 injects the agent into the connecting pipe 301. In the water body, the agent is thoroughly mixed with the sewage to achieve water quality neutralization. The water body that has completed the agent mixing continues to flow through the inclined channel 302. The inclined channel 302 adopts an inclined groove structure design. The non-degradable solid impurities in the sewage are deposited under the action of gravity and accumulated inside the groove of the inclined channel 302, preventing non-degradable substances from flowing into the water storage tank 1 with the water flow. Finally, the water body that has undergone preliminary impurity removal by the inclined channel 302 flows through the quartz sand filter column 303. The quartz sand filter column 303 filters and intercepts suspended solids in the water through the pores between the particles, removing fine suspended solids in the water body and preventing suspended solids from clogging the biofilm carrier in subsequent processes.

[0020] Reference Figure 1 , Figure 2 and Figure 3 A bracket 6 is fixedly connected to the top of the outer wall of the water storage tank 1 at each of the four corners. A rain shelter 7 is fixedly connected to the top of the outer wall of the bracket 6. A connecting channel 15 is fixedly connected to the top of the outer wall of the water storage tank 1. A central beam 8 is fixedly connected to the middle of the top of the outer wall of the connecting channel 15. Specifically, the rain shelter 7 is supported by the bracket 6, which prevents rainwater from flowing into the water storage tank 1 and affecting the water treatment progress. The connecting road 15 facilitates the construction of facilities, and the central beam 8 supports the central part of the rain shelter 7 that is prone to collapse to prevent the structure from collapsing.

[0021] Working principle: When sewage to be treated enters the water storage tank 1, the sewage enters the suspended box 201 through the filter hole 202. At this time, the water is filtered and treated by the fiber-suspended packing material 203, ceramsite 204, and zeolite 205 attached to the membrane. At the same time, the roots of the absorbent plant 213 are immersed in the water through the planting tray 206 to absorb impurities in the water. When it is necessary to replace the absorbent plant 213 due to water quality issues, the fixing part 207 is lifted upwards, which moves the planting tray 206. The movement of the fixing part 207 causes the beveled pin 208 inside the pin hole 211 to rotate upwards. This causes the fixing member 207 to disengage from the insertion hole 212. Then, the spring 210 resets the beveled pin 208. After replacing the absorbent plant 213, the planting tray 206 is placed inside the hanging box 201. When the fixing member 207 is inserted into the insertion hole 212, the fixing member 207 presses the beveled pin 208, causing the beveled pin 208 to rotate downward. The spring 209 springs the beveled pin 208 into the pin hole 211. The cut design of the beveled pin 208 and the pin hole 211 fixes the fixing member 207 inside the hanging box 201 to continue treating the water. Wastewater treated in the previous step flows into the connecting pipe 301 through the outlet pipe 12. The wastewater quality is monitored by the sensor 304. After the monitored data is output, the neutralizing chemical agent is stored in the storage tank 307. Then, the agent flows into the nozzle 305 through the pipeline 306. The agent is injected into the water body through the nozzle 305. The water body then flows through the inclined trough 302. The groove design of the inclined trough 302 allows impurities to accumulate inside the inclined trough 302 to prevent non-degradable substances from flowing into the water storage tank 1. Finally, suspended solids in the water are removed by the quartz sand filter column 303 to avoid clogging the biofilm carrier.

[0022] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A garden type biofilm low C / N sewage treatment device suitable for AAO post-treatment, comprising a water storage tank (1), characterized in that: Purification mechanisms (2) are installed at equal intervals on the top of the outer wall of the water storage tank (1). The purification mechanisms (2) are used to address the phenomenon of decreasing organic matter concentration and increasing ammonia nitrogen nutrient concentration in urban domestic sewage treatment. A dosing mechanism (3) is installed in the middle of the front end of the outer wall of the water storage tank (1). The dosing mechanism (3) is used to assist the operation of chemical equipment to increase the equipment's treatment efficiency and prevent the water from affecting plant growth. The purification mechanism (2) includes a hanging box (201), which is equidistantly installed on the top of the outer wall of the water storage tank (1). Multiple filter holes (202) are equidistantly opened on the outer wall of the hanging box (201). Multiple fiber-suspended packing materials (203) are arranged at the bottom of the inner wall of the hanging box (201). Ceramsite (204) is arranged at the top of the outer wall of the fiber-suspended packing materials (203). Zeolite (205) is arranged at the top of the outer wall of the ceramsite (204). A planting tray (206) is arranged in the middle of the inner wall of the hanging box (201). The top of the outer wall of the planting tray (206) is provided with an absorbent plant (213). The top left and right ends of the outer wall of the planting tray (206) are fixedly connected with a fastener (207). The right side of the outer wall of the fastener (207) is provided with a pin hole (211). The top left and right sides of the inner wall of the hanging box (201) are provided with insertion holes (212). The top left and right ends of the inner wall of the water storage tank (1) are rotatably connected with a beveled pin (208). The top of the outer wall of the beveled pin (208) is fixedly connected with a second spring (210). The bottom of the outer wall of the beveled pin (208) is fixedly connected with a first spring (209).

2. The garden-style biofilm low C / N wastewater treatment device suitable for AAO post-treatment as described in claim 1, characterized in that: The dosing mechanism (3) includes a connecting pipe (301), which is located in the middle of the front side of the outer wall of the water storage tank (1). A groove (302) is opened in the middle of the inner wall of the connecting pipe (301). A nozzle (305) is installed at equal intervals on the front side of the top of the inner wall of the connecting pipe (301). A sensor (304) is fixedly connected to the front side of the bottom of the inner wall of the connecting pipe (301). A quartz sand filter column (303) is fixedly connected to the rear side of the inner wall of the connecting pipe (301). A pipeline (306) is connected to the top of the outer wall of the connecting pipe (301). A storage tank (307) is connected to the top of the outer wall of the pipeline (306).

3. A garden-style biofilm low C / N wastewater treatment device suitable for AAO post-treatment as described in claim 1, characterized in that: The reservoir (1) has four fixed supports (6) at the top of the outer wall, and the support (6) has a rain shelter (7) fixedly connected to the top of the outer wall.

4. A garden-style biofilm low C / N wastewater treatment device suitable for AAO post-treatment as described in claim 1, characterized in that: The top of the outer wall of the water storage tank (1) is fixed with a connecting channel (15), and a central beam (8) is fixedly connected to the middle of the top of the outer wall of the connecting channel (15).

5. A garden-style biofilm low C / N wastewater treatment device suitable for AAO post-treatment as described in claim 1, characterized in that: The outer wall of the water storage tank (1) has a drainage hole (13) at the rear end, and the outer wall of the drainage hole (13) is connected to a drainage pipe (14).

6. A garden-style biofilm low C / N wastewater treatment device suitable for AAO post-treatment as described in claim 1, characterized in that: A sign (5) is fixedly connected to the front right side of the outer wall of the hanging box (201), and handles (4) are fixedly connected to the top left and right sides of the outer wall of the hanging box (201).

7. A garden-style biofilm low C / N wastewater treatment device suitable for AAO post-treatment as described in claim 2, characterized in that: The outer wall of the connecting pipe (301) is connected to the middle of the front side of the outer wall of the connecting pipe (301) and the rear side of the connecting pipe (301) is connected to the middle of the rear side of the outer wall of the connecting pipe (301) of the connecting pipe (11).

8. A garden-style biofilm low C / N wastewater treatment device suitable for AAO post-treatment as described in claim 2, characterized in that: A support frame (10) is fixedly connected to the middle of the top of the outer wall of the connecting pipe (301), and a dosing port (9) is provided at the top of the outer wall of the storage tank (307).

Images