Composite ecological restoration system

Abstract

The utility model discloses a composite ecological restoration system which comprises a plurality of connected treatment units, namely a sedimentation tank, a regulating tank, an anaerobic ecological filter bed, an oxygen-enriched ecological filter bed, a plant-filler combined purification type ecological filter bed, a water collecting tank, an aquatic crop purification type ecological filter bed and an ecological pond type ecological filter bed. Combination can be carried out according to actual conditions, the system does not need dosing, generated sludge can be used for planting soil of an aquatic crop purification type ecological filter bed and an ecological pond type ecological filter bed through purification of the filter bed and plants, the overall process ecological property is high, the water quality purification effect is achieved, crops can be planted, and fishes can be cultivated. And economic benefits are brought.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of domestic sewage treatment, and particularly relates to a composite ecological remediation system. BACKGROUND

[0002] In recent years, the state vigorously promotes rural domestic sewage treatment, and the rural scattered domestic sewage is usually collected through pipeline laying and then treated, and the currently common rural domestic sewage treatment mode mainly uses small buried integrated equipment and small sewage treatment stations.

[0003] The small buried integrated equipment for treating rural domestic sewage has high cost, needs to be dosed, and requires professional management, and most of them are abandoned due to lack of professional management; the small sewage treatment station occupies a large area of land, occupies rural land, and has a long sewage collection pipeline, a low sewage access rate, and most of the effluent meets the first level A standard of the "Urban Sewage Treatment Plant Pollutant Discharge Standard" (GB18918-2002), and cannot meet the surface water discharge requirements of the state.

[0004] The traditional ecological filter bed is a facility for water body treatment, mainly treating sewage through absorption of plants, decomposition of bacteria, and physical adsorption, to achieve the purpose of purifying water quality. The traditional ecological filter bed technology is relatively single, and needs special personnel for maintenance in the later period, and with the increase of running time, the filler may be blocked, and the filler is not easy to maintain or replace, and the effluent is not up to standard. UTILITY MODEL CONTENTS

[0005] The utility model discloses a composite ecological remediation system.

[0006] The utility model discloses a composite ecological remediation system.

[0007] A composite ecological remediation system, comprising a sedimentation tank, the sedimentation tank is used for receiving sewage pipe inflow;

[0008] An adjusting tank, the adjusting tank is communicated with the sedimentation tank, and the adjusting tank is used for adjusting water quantity and water quality;

[0009] An anaerobic ecological filter bed, the anaerobic ecological filter bed is communicated with the adjusting tank;

[0010] An oxygen-rich ecological filter bed, the oxygen-rich ecological filter bed is communicated with the anaerobic ecological filter bed;

[0011] A plant-filler combined purification type ecological filter bed, the plant-filler combined purification type ecological filter bed is communicated with the oxygen-rich ecological filter bed;

[0012] A water collecting pool is connected to the plant-filler combined purification type ecological filter bed;

[0013] An aquatic crop purification type ecological filter bed is connected to the water collecting pool;

[0014] An ecological pond type ecological filter bed is connected to the aquatic crop purification type ecological filter bed.

[0015] As a further description of the above technical solution, the sedimentation tank comprises a tank body one, which is provided with a water inlet one and a water outlet one.

[0016] As a further description of the above technical solution, the adjusting tank comprises a tank body two, which is provided with a water inlet two and a water outlet two, and the bottom of the tank body two is provided with a pipeline aeration system one.

[0017] As a further description of the above technical solution, the anaerobic type ecological filter bed comprises a tank body three, which is provided with a water inlet three and a water outlet three, and the tank body three is provided with a flexible filler purification bed one.

[0018] As a further description of the above technical solution, the oxygen-rich type ecological filter bed comprises a tank body four, which is provided with a water inlet four and a water outlet four, and the bottom of the tank body four is provided with a pipeline aeration system two, and the tank body four is internally provided with a flexible filler purification bed two.

[0019] As a further description of the above technical solution, the top of the anaerobic type ecological filter bed and the oxygen-rich type ecological filter bed are both provided with a planting rack, and a planting pot is placed in the planting rack, and crops are planted in the planting pot.

[0020] As a further description of the above technical solution, the plant-filler combined purification type ecological filter bed comprises a water distribution tank, a water inlet five, a water outlet five, emergent plants, water distribution pipes, a seepage prevention membrane, composite filter materials, and a water collecting pool.

[0021] As a further description of the above technical solution, the aquatic crop purification type ecological filter bed comprises a soil substrate, and aquatic crops are planted in the soil substrate.

[0022] As a further description of the above technical solution, the ecological pond type ecological filter bed comprises a pond body, submerged plants are planted in the pond body, and aquatic animals are bred in the pond body.

[0023] As a further description of the above technical solution, a partition wall structure is arranged between the adjusting tank, the anaerobic type ecological filter bed, and the oxygen-rich type ecological filter bed, and the partition wall structure is formed by modular hollow ecological filter bricks.

[0024] The utility model discloses the beneficial effect is as follows:

[0025] 1, the utility model discloses, can be combined according to actual conditions, the system does not need to add medicine, through filter bed and plant purification, the sludge produced can be used for aquatic crop purification type ecological filter bed, ecological pond type ecological filter bed's planting soil, and the overall process ecologicality is higher, can plant crops and breed fish while playing the water purification effect, brings economic benefits.

[0026] 2, the utility model discloses the partition wall structure of adjusting pool, anaerobic ecological filter bed, oxygen-rich ecological filter bed adopts modularization hollow ecological filter brick splicing and is formed, one -off splicing, and the construction is convenient and fast, and the partition wall has water permeability, and the hole is filled with flexible structure filler bag, and the filler bag adopts the bag pocket of flexible net -like structure, and is filled with filler in it, and the filler bag can be regularly taken up with filler and maintain or replace, and the service life of filler is prolonged.

[0027] 3, the utility model discloses the filler of plant - filler combined purification type ecological filter bed adopts frame body structure stacking. The filler is set up in the form of filler frame stacking in ecological filter bed, can be conveniently regularly taken up and pulled and is maintained or replaced, can solve the drawbacks of the maintenance and replacement complexity and the service life shortening after the traditional ecological filter bed filler blockage, prolongs the service life.

[0028] 4, the utility model discloses the combination of water purification, water resource utilization, landscape promotion, brings certain economic benefits. The system purifies sewage and plays the water purification effect, and the system can plant crops simultaneously, and the ecological pond can breed aquatic animals such as fish, brings certain economic benefits, and the final effluent can be discharged and used for replenishing river and lake water, irrigation water, greening irrigation etc., is more energy -conserving and environment -friendly.

[0029] In order to more clearly set forth the structural features and effects of the utility model, the utility model will be described in detail below in conjunction with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 It is the top view of the composite ecological remediation system provided by the utility model,

[0031] Figure 2 It is the sectional view of the composite ecological remediation system provided by the utility model,

[0032] Figure 3 It is the schematic diagram of the flexible filler purification bed of the composite ecological remediation system provided by the utility model,

[0033] Figure 4 It is the schematic diagram of the filler frame of the composite ecological remediation system provided by the utility model,

[0034] Figure 5It is the planting frame combination schematic view of the composite ecological restoration system provided by the utility model;

[0035] Figure 6 It is the schematic view of a single planting frame of the composite ecological restoration system provided by the utility model;

[0036] Figure 7 It is the perspective view of a single modular hollow ecological filter brick of the composite ecological restoration system provided by the utility model;

[0037] Figure 8 It is the plan view of a single modular hollow ecological filter brick of the composite ecological restoration system provided by the utility model;

[0038] Figure 9 It is the plan view of the partition wall structure of the composite ecological restoration system provided by the utility model;

[0039] Figure 10 It is the front view of the partition wall structure of the composite ecological restoration system provided by the utility model;

[0040] Figure 11 It is the perspective view of the partition wall structure of the composite ecological restoration system provided by the utility model.

[0041] Reference signs: 1, sedimentation tank, 2, regulating tank, 3, anaerobic ecological filter bed, 4, oxygen-rich ecological filter bed, 5, water distribution tank, 6, plant- filler combined purification type ecological filter bed, 7, water collecting tank, 8, aquatic crop purification type ecological filter bed, 9, ecological pond type ecological filter bed, 10, earth dam, 11, manual control valve, 12, sewage pipe, 13, air blower, 14, aeration pipe, 15, aeration disc, 16, water distribution pipe, 17, flexible filler purification bed, 18, floating leaf plant, 19, emergent plant, 20, aquatic crop, 21, water outlet pipe, 23, partition wall structure, 24, water passing hole, 29, modular hollow ecological filter brick, 30, water permeable hole, 31, filler frame, 32, filler frame lifting rope, 33, filter screen, 34, hot-dip galvanized angle steel, 35, flexible filler rope, 36, pulling rope, 37, planting frame, 38, single planting frame. DETAILED DESCRIPTION

[0042] In order to make the purpose, technical scheme and advantages of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be described clearly and completely in combination with the drawings in the utility model embodiment.

[0043] As Figures 1-2As shown, in one embodiment, a composite ecological restoration system includes a sedimentation tank 1 for receiving water from a sewage pipe 12, the sedimentation tank 1 including a tank body one, a water inlet one of the tank body one being in communication with the sewage pipe 12, a filter screen 33 being provided in the tank body one for intercepting and filtering out large particles and the like, and for accumulating and collecting particles settled in the sewage, and then the sewage entering a regulating tank 2 through a water outlet one;

[0044] The regulating tank 2 is in communication with the sedimentation tank 1, and is used for regulating water quantity and water quality; wherein the regulating tank 2 includes a tank body two, the tank body two being provided with a water inlet two and a water outlet two, and an aeration system being provided in the tank body two, the aeration system including an aeration pipe 14 connected with an external air blower 13 to realize aeration in the regulating tank 2 and reduce sewage pollution load.

[0045] An anaerobic ecological filter bed 3 is in communication with the regulating tank 2; wherein the anaerobic ecological filter bed 3 includes a tank body three, the tank body three being provided with a water inlet three and a water outlet three, and a flexible filler purification bed 17 one being provided in the tank body three.

[0046] An oxygen-rich ecological filter bed 4 is in communication with the anaerobic ecological filter bed 3; wherein the oxygen-rich ecological filter bed 4 includes a tank body four, the tank body four being provided with a water inlet four and a water outlet four, a pipeline aeration system two being provided at the bottom of the tank body four, and a flexible filler purification bed 17 two being provided in the tank body four. The pipeline aeration system two is also provided with the aeration pipe 14, and a plurality of aeration discs 15 are provided on the aeration pipe 14 to realize uniform aeration in the tank body four, and the aeration pipe 14 is connected with the air blower 13 through a manual control valve 11.

[0047] Referring to Figure 3 , the flexible filler purification beds 17 in the anaerobic ecological filter bed 3 and the oxygen-rich ecological filter bed 4 are both composed of an angle steel frame, i.e. a hot-dip galvanized angle steel 34, and a flexible rope, i.e. a flexible filler rope 35, and a pulling rope 36 is further provided to facilitate removal or placement of the flexible filler purification bed 17. Meanwhile, the interior can be filled with filler to realize further purification of water quality.

[0048] Optionally, referring to Figures 5-6 , a planting rack 37 is provided on the top of the tank body of the anaerobic ecological filter bed 3 and the oxygen-rich ecological filter bed 4, plants can be planted on the planting rack 37, the planting rack 37 can both purify and grow crops, is convenient to disassemble and can be reused. The planting rack 37 includes a plurality of single planting frames 38, and in some embodiments, four single planting frames 38 can be spliced to form one planting rack 37.

[0049] The plant-filler combined purification type ecological filter bed 6 is connected with the oxygen-rich type ecological filter bed 4, wherein the plant-filler combined purification type ecological filter bed 6 comprises a water distribution pool 5, a water inlet five, a water outlet five, emergent plants 19, water distribution pipes 16, an anti-seepage film, composite filter material and a water collecting pool 7, the water distribution pool 5 is arranged at the front of the plant-filler combined purification type ecological filter bed 6, and the water collecting pool 7 is arranged at the rear of the plant-filler combined purification type ecological filter bed 6. The aeration pipe 14 and the aeration disc 15 can also be arranged in the water collecting pool 7. The plant-filler combined purification type ecological filter bed 6 is used for deep treatment of the enhanced treated incoming water.

[0050] The specific structure of the plant-filler combined purification type ecological filter bed 6 is described, the water distribution pipes 16 are arranged at the top of the filler, the water distribution pipes 16 are uniformly inclined downward by 45 degrees, the plant-filler combined purification type ecological filter bed 6 comprises, from top to bottom, the emergent plants 19, melon seed pieces, 800-thick composite filter material, geotextile, an anti-seepage film, and rammed soil (the ramming coefficient is greater than or equal to 0.93), the water outlet end of the plant-filler combined purification type ecological filter bed 6 is close to the side of the partition wall where the water collecting pipe is arranged, and the water flows to the water collecting pool 7.

[0051] Optionally, referring to Figure 4 The filler frame 31 is a square frame body, and a filler frame lifting rope 32 is arranged above the filler frame 31, so that the multiple filler frames 31 can be combined for use more conveniently.

[0052] The aquatic crop purification type ecological filter bed 8 is connected with the water collecting pool 7. The aquatic crop purification type ecological filter bed 8 comprises soil substrates, and aquatic crops 20 are planted in the soil substrates. The aquatic crop purification type ecological filter bed 8 creates a terrain through earthwork balance, constructs a suitable water depth area, and plants water celery, swamp cabbage, water bamboo, water chestnut and the like (local aquatic economic crops are selected), and the vegetables can be harvested by local farmers at regular intervals and then eaten or sold.

[0053] The ecological pond type ecological filter bed 9 is connected with the aquatic crop purification type ecological filter bed 8. The ecological pond type ecological filter bed 9 comprises a pond body, the pond body is transformed from a natural water body or newly excavated, and submerged plants, emergent plants 19 and floating leaf plants 18 are planted in the pond body, aquatic animals are bred, and finally the water is reused or overflowed to an external water body. The ecological pond can be used for breeding economic fish and the like, and can bring certain economic value. The above are connected through the water passing holes 24.

[0054] In summary, the sewage collected through the sewage pipe 12 enters the sedimentation tank 1, the front end of the sedimentation tank 1 is provided with a filter screen 33 for intercepting and filtering out large particles and the like, for accumulating and collecting the particles settled in the sewage, and for avoiding the subsequent system from being blocked, the far end of the sedimentation tank 1 from the water inlet is provided with a water outlet, i.e. a water hole 24, and the drainage enters the adjusting tank 2. The adjusting tank 2 adjusts the water volume and uniformizes the water quality, reduces the water volume and water quality fluctuation, and the bottom of the adjusting tank 2 is provided with an aeration system, which can reduce the sewage pollution load. After the sewage passes through the adjusting tank 2, the far end of the adjusting tank 2 from the water inlet is provided with a water outlet, and the sewage sequentially flows through the anaerobic ecological filter bed 3 and the oxygen-rich ecological filter bed 4. The anaerobic ecological filter bed 3 and the oxygen-rich ecological filter bed 4 are provided with a flexible filler purification bed 17, which is composed of a plastic frame and a biological rope, for microbial biofilm formation. The top of the anaerobic ecological filter bed 3 and the oxygen-rich ecological filter bed 4 is provided with a planting rack 37, and plants can be planted on the planting rack 37. The planting rack 37 can purify and grow crops, is convenient to disassemble, and can be reused. The far end of the anaerobic ecological filter bed 3 from the water inlet is provided with a water outlet, the sewage enters the oxygen-rich ecological filter bed 4, the oxygen-rich ecological filter bed 4 is provided with a bottom pipeline aeration system, which is provided with air blowers 13 for aeration, the far end of the oxygen-rich ecological filter bed 4 from the water inlet is provided with a water outlet, and the water outlet of the oxygen-rich ecological filter bed 4 is opened to flow to the water distribution tank 5. The water distribution tank 5 is provided with water distribution pipes 16 on the partition wall for uniformly distributing water to the plant-filler combined purification type ecological filter bed 6. The water distribution pipes 16 are arranged at the top of the filler, and the water distribution pipes 16 are uniformly inclined downward by 45 degrees. The plant-filler combined purification type ecological filter bed 6 sequentially comprises emergent plants 19, melon seed slices, 800-thick composite filter material, geotextile, impermeable membrane, and tamped soil (tamping coefficient ≥ 0.93) from top to bottom. A water collecting pipe is laid near the partition wall side of the water outlet of the plant-filler combined purification type ecological filter bed 6, and the water outlet flows to the water collecting tank 7. The water body of the water collecting tank 7 sequentially flows through the aquatic crop purification type ecological filter bed 8 and the ecological pond type ecological filter bed 9. The aquatic crop purification type ecological filter bed 8 balances the terrain through earthwork to construct a suitable water depth area, and plants water celery, water spinach, water bamboo, and water chestnut (selecting local aquatic economic crops). The ecological pond is formed by existing ponds or earthwork excavation. The ecological pond has a 1:2 slope along the shore, and lawn and emergent plants 19 are planted on the slope. The central average water depth is 1.5 m, and submerged plants and floating leaf plants 18 are planted. Hypophthalmia, Aristichthys and other fish are bred, and the aquatic crops 20 are regularly harvested, and the fish are regularly caught. The ecological pond discharges water through the water outlet pipe 21, which can be reused or discharged.

[0055] Alternatively, with reference to Figures 7-11, a partition wall structure 23 is arranged between the adjusting pool 2, the anaerobic ecological filter bed 3 and the oxygen-rich ecological filter bed 4, the partition wall structure 23 is spliced by modular hollow ecological filter bricks 29, and a plurality of water permeable holes 30 are formed in the filter bricks. The adjacent filter bricks are directly spliced, the construction is convenient and fast, the partition wall is water permeable, the flexible structural filler bag is filled in the holes, the filler bag adopts a flexible mesh structure and presents a bag pocket shape, the filler bag is filled with fillers (the fillers are locally available gravel, gravel and the like), the filler bag and the fillers can be regularly taken out for maintenance or replacement, and the service life of the fillers is prolonged.

[0056] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and details are not described herein, and the contents not described in detail in the description belong to the prior art known by the person skilled in the art.

[0057] The above description of the disclosed embodiments enables those skilled in the art to implement or use the utility model. Various modifications to the embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A composite ecological remediation system, characterized in that, It comprises a sedimentation tank for receiving sewage pipe inflow; An adjusting tank connected with the sedimentation tank for adjusting water quantity and quality; An anaerobic ecological filter bed connected with the adjusting tank; An oxygen-rich ecological filter bed connected with the anaerobic ecological filter bed; A plant-filler combined purification ecological filter bed connected with the oxygen-rich ecological filter bed; A water collecting tank connected with the plant-filler combined purification ecological filter bed; An aquatic crop purification ecological filter bed connected with the water collecting tank; An ecological pond ecological filter bed connected with the aquatic crop purification ecological filter bed.

2. The composite ecological remediation system of claim 1, wherein, The sedimentation tank comprises a tank body one provided with a water inlet one and a water outlet one.

3. The composite ecological remediation system of claim 1, wherein, The adjusting tank comprises a tank body two provided with a water inlet two and a water outlet two, and a pipeline aeration system one arranged at the bottom of the tank body two.

4. The composite ecological remediation system of claim 1, wherein, The anaerobic ecological filter bed comprises a tank body three provided with a water inlet three and a water outlet three, and a flexible filler purification bed one arranged in the tank body three.

5. The composite ecological remediation system of claim 1, wherein, The oxygen-rich ecological filter bed comprises a tank body four provided with a water inlet four and a water outlet four, a pipeline aeration system two arranged at the bottom of the tank body four, and a flexible filler purification bed two arranged in the tank body four.

6. The composite ecological remediation system of claim 1, wherein, The top of the anaerobic ecological filter bed and the oxygen-rich ecological filter bed is provided with a planting rack, and a planting pot is placed in the planting rack, and crops are planted in the planting pot.

7. The composite ecological remediation system of claim 1, wherein, The plant-filler combined purification ecological filter bed comprises a water distribution tank, a water inlet five, a water outlet five, emergent plants, water distribution pipes, an impermeable membrane, composite filter material, and a water collecting tank.

8. The composite ecological remediation system of claim 1, wherein, The aquatic crop purification ecological filter bed comprises soil substrate, and aquatic crops are planted in the soil substrate.

9. The composite ecological remediation system of claim 1, wherein, The ecological pond ecological filter bed comprises a pond body, submerged plants are planted in the pond body, and aquatic animals are bred in the pond body.

10. The composite ecological remediation system of claim 1, wherein, A partition structure is arranged between the adjusting tank, the anaerobic ecological filter bed, and the oxygen-rich ecological filter bed, and the partition structure is formed by modular hollow ecological filter bricks.

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