CN212800041U - Rural domestic sewage distributed full-ecological enhanced treatment equipment - Google Patents

Abstract

A rural domestic sewage distributed full-ecological enhanced treatment device comprises a treatment box, a filter box and a grating plate; an aerobic sedimentation bin, an anaerobic bin and an ecological purification bin are sequentially arranged in the treatment box; the aerobic sedimentation bin is communicated with the anaerobic bin through a second water conveying pipe provided with a first liquid pumping device; the anaerobic bin is communicated with the ecological purification bin through a third water conveying pipe provided with a second liquid pumping device; a driving component for driving the grating plates to move towards or away from the opening is arranged in the ecological purification bin, and a drain pipe is arranged on the treatment box of the ecological purification bin; a plurality of groups of planting boxes are arranged on the grating plate; the bottom surface of the planting box is provided with a through hole, and a planting layer is arranged in the planting box; the filter box is arranged on the side end surface of the treatment box through a plurality of groups of support frames; the filter box is internally provided with a filter layer, and is provided with a water inlet port and communicated with the aerobic sedimentation bin through a first water delivery pipe. The utility model discloses can effectually carry out purification treatment to rural domestic sewage, the low convenient maintenance of use cost.

Description

Rural domestic sewage distributed full-ecological enhanced treatment equipment

Technical Field

The utility model relates to a sewage treatment technical field especially relates to a distributed full ecological treatment facility of reinforceing of rural domestic sewage.

Background

At present, rural economy develops rapidly, the living standard of farmers is greatly improved, but rural domestic sewage is discharged randomly without treatment, so that the water quality of ditches and ponds is blackened and smelled, the water source pollution of drinking water and the water quality of water bodies received by rivers, lakes, reservoirs and the like are seriously influenced, the rural living environment is seriously damaged, the problem of serious pollution of the drinking water is caused, and the body health of residents is seriously threatened; because rural residents live in scattered mode, if sewage discharged by the residents is collected and treated in a centralized mode, the investment cost is high, and special technicians are needed for maintenance in the later period, so that normal use of the later-period sewage treatment equipment cannot be guaranteed; therefore, the application provides a rural domestic sewage distributed type full-ecological enhanced treatment device.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a rural domestic sewage distributed full ecology reinforces treatment facility, the utility model discloses can effectually carry out purification treatment to rural domestic sewage, the low convenient maintenance of use cost.

(II) technical scheme

In order to solve the problems, the utility model provides a rural domestic sewage distributed type full-ecological strengthening treatment device, which comprises a treatment box, a support frame, a first water delivery pipe, a filter box, a second water delivery pipe, a third water delivery pipe, a drain pipe and a grating plate;

a first partition plate and a second partition plate are arranged in the treatment box; the first partition board and the second partition board are distributed side by side and used for dividing the interior of the treatment box into an aerobic sedimentation bin, an anaerobic bin and an ecological purification bin in sequence;

the aerobic sedimentation bin is provided with a water inlet hole on the side end surface of the treatment box, and a plurality of groups of vent holes are arranged on the treatment box; a dust screen is arranged in each group of ventilation holes;

a pipe orifice at one end of the second water pipe extends into the aerobic sedimentation bin below the liquid level, the other pipe orifice of the second water pipe extends into the anaerobic bin, and a first liquid pumping device is arranged on the second water pipe;

a pipe orifice at one end of the third water pipe extends into the anaerobic bin below the liquid level, the other pipe orifice of the third water pipe extends into the ecological purification bin, and a second liquid pumping device is arranged on the third water pipe;

the ecological purification bin is provided with an opening on the upper end surface of the treatment box, a driving assembly for driving the grid plate to move towards or away from the opening is arranged in the ecological purification bin, and the ecological purification bin is provided with a second drain hole on the treatment box; a water inlet pipe orifice of the drain pipe is connected with a second drain hole, and a control valve is arranged on the drain pipe;

a plurality of groups of planting boxes are uniformly arranged on the grating plate; the bottom surface of each group of planting boxes is provided with a plurality of groups of through holes, and planting layers for planting aquatic plants are arranged in each group of planting boxes; filter cloth is arranged between each group of planting layers and the bottom surface of each group of planting boxes;

a plurality of groups of supporting frames are arranged on the side end surface of the treatment box side by side; the filter box is connected with a plurality of groups of support frames, an end cover is arranged on the upper end surface of the filter box, a filter layer is arranged in the filter box, a water inlet port for connecting with a water delivery sewage pipeline is arranged on the filter box, and a first drainage hole is arranged on the bottom surface of the filter box; the two ends of the first water delivery pipe are respectively connected with the first drainage hole and the water inlet hole.

Preferably, the sunshade is further included; the sunshade is connected and is handled the case, and the sunshade is located the open-ended directly over.

Preferably, the filter group layer comprises a filter plate, a first sand-gravel particle layer, a second sand-gravel particle layer and a quartz sand layer which are sequentially arranged along the flowing direction of liquid in the filter box; the aperture value of the filter plate is smaller than the outer diameter value of the sand particles in the first sand particle layer; the outer diameter value of the sand particles in the first sand particle layer is larger than that of the sand particles in the second sand particle layer; the outer diameter value of the sand particles in the second sand particle layer is larger than that of the quartz sand particles in the quartz sand layer.

Preferably, a first filter screen is arranged between the first sand-granule layer and the second sand-granule layer; the diameter value of the mesh of the first filter screen is smaller than the outer diameter value of the sand particles in the first sand particle layer;

a second filter screen is arranged between the second sand-stone particle layer and the quartz sand layer; the diameter value of the meshes of the second filter screen is smaller than the outer diameter value of the sand particles in the second sand particle layer;

a third filter screen is arranged between the quartz sand layer and the bottom surface of the treatment box; the diameter value of the mesh of the third filter screen is smaller than the outer diameter value of quartz sand particles in the quartz sand layer.

Preferably, the device also comprises a discharge plate and a plurality of groups of fastening pieces; wherein, the bottom surface of the filter box is provided with a plurality of groups of threaded blind holes;

a plurality of groups of mounting holes are arranged on the discharging plate; the plurality of groups of fastening pieces respectively penetrate through the plurality of groups of mounting holes and are screwed into the plurality of groups of threaded blind holes through threads; the end face of the discharge plate facing the bottom surface of the filter box compresses the bottom surface of the filter box, and the compressed end faces of the discharge plate and the bottom surface of the filter box are provided with sealing gaskets.

Preferably, the driving assembly comprises a plurality of groups of guide rods, threaded rods and handles;

the guide rods are distributed on one side in the ecological purification bin side by side, two ends of each guide rod are connected with the inner wall of the ecological purification bin respectively, and a plurality of first sliding parts are arranged on the guide rods in a sliding mode respectively; the multiple groups of first sliding parts are connected with one end of the grid plate;

the threaded rod is parallel to the guide rod and is positioned on the other side of the inner wall of the ecological purification bin, two ends of the threaded rod are rotatably connected with the inner wall of the ecological purification bin, the threaded rod is connected with the handle, and a second sliding piece is arranged on the threaded rod in a threaded fit manner; the second sliding piece is connected with the other end of the grid plate.

Preferably, a plurality of groups of mounting plates are arranged on the side end face of each group of planting boxes; the multiple groups of mounting plates are respectively provided with multiple groups of assembly holes for binding the multiple groups of planting boxes and grid plates through the connecting ropes.

The above technical scheme of the utility model has following profitable technological effect:

when the utility model is used, domestic sewage is conveyed into the filter box by the sewage pipeline, and the sewage is filtered by the filter layer and then enters the aerobic sedimentation bin along the first water conveying pipe for aerobic treatment and sedimentation; the precipitated impurities are discharged by a sewage discharge pump, and the treated sewage is pumped into an anaerobic bin by a first liquid pumping device for anaerobic treatment; carrying out anaerobic treatment on the sewage; the sewage after the anaerobic treatment is conveyed into the ecological purification bin by the second liquid pumping device, and elements such as nitrogen, phosphorus, potassium and the like in the sewage are taken by aquatic plants planted in the ecological purification bin, so that the sewage is purified; the purified sewage is discharged from the water discharge pipe, so that the operation is simple and the use is convenient; in addition, the driving assembly arranged in the ecological purification bin can adjust the height of the grid plate according to the water level change in the ecological purification bin so as to ensure that the root system of the aquatic plant is contacted with the sewage in the ecological purification bin;

the utility model discloses can effectually carry out purification treatment to domestic sewage, the treatment effect is good, and the low convenience of use is maintained.

Drawings

Fig. 1 is a schematic structural view of the distributed full-ecological strengthening treatment equipment for rural domestic sewage according to the present invention.

Fig. 2 is a schematic structural diagram of the enlargement of the place A in the distributed full-ecological strengthening treatment equipment for rural domestic sewage.

Fig. 3 is a rear view of the distributed total ecological strengthening treatment equipment for rural domestic sewage provided by the utility model.

Fig. 4 is a bottom view of the filter box in the rural domestic sewage distributed full-ecological enhanced treatment equipment provided by the utility model.

Reference numerals: 1. a treatment tank; 2. a support frame; 3. a first water delivery pipe; 4. a filter box; 41. a filter plate; 42. a first layer of sand particles; 43. a second layer of sand particles; 44. a quartz sand layer; 5. an end cap; 6. a vent hole; 7. a first separator; 8. a second separator; 9. a sunshade; 10. an aerobic sedimentation bin; 11. a second water delivery pipe; 12. an anaerobic chamber; 13. a third water delivery pipe; 14. a guide bar; 15. an ecological purification bin; 16. a threaded rod; 17. a drain pipe; 18. a grid plate; 19. a handle; 20. an opening; 21. mounting a plate; 22. planting boxes; 23. planting a layer; 24. an aquatic plant; 25. a discharge plate; 26. a first drain hole; 27. a first liquid pumping device; 28. and a second liquid pumping device.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-4, the distributed total ecological strengthening treatment device for rural domestic sewage provided by the utility model comprises a treatment box 1, a support frame 2, a first water delivery pipe 3, a filter box 4, a second water delivery pipe 11, a third water delivery pipe 13, a drain pipe 17 and a grid plate 18;

a first clapboard 7 and a second clapboard 8 are arranged in the treatment box 1; the first partition plate 7 and the second partition plate 8 are distributed side by side and used for dividing the interior of the treatment box 1 into an aerobic precipitation bin 10, an anaerobic bin 12 and an ecological purification bin 15 in sequence;

the side end face of the aerobic sedimentation bin 10 of the treatment box 1 is provided with a water inlet, and the aerobic sedimentation bin 10 of the treatment box 1 is provided with a plurality of groups of vent holes 6; a dust screen is arranged in each group of the vent holes 6; it should be noted that, an external ventilation pipe passes through the ventilation hole and is inserted into the liquid in the aerobic sedimentation bin 10 to supplement air into the liquid, so as to improve the sewage treatment efficiency of aerobic bacteria;

further, a sewage draining hole is arranged on the aerobic sedimentation bin 10; one end of the drain pipe penetrates through the drain hole and extends into the bottom surface of the aerobic sedimentation bin 10, the drain pipe is hermetically connected with the drain hole, and the other end of the drain pipe is connected with a sewage inlet port of the drain pump so as to discharge sediments in the aerobic sedimentation bin 10;

a pipe orifice at one end of the second water conveying pipe 11 extends into the position below the liquid level in the aerobic sedimentation bin 10, the other pipe orifice of the second water conveying pipe 11 extends into the anaerobic bin 12, and a first liquid pumping device 27 is arranged on the second water conveying pipe 11;

a pipe orifice at one end of the third water pipe 13 extends below the liquid level in the anaerobic bin 12, the other pipe orifice of the third water pipe 13 extends into the ecological purification bin 15, and a second liquid pumping device 28 is arranged on the third water pipe 13;

the ecological purification bin 15 is provided with an opening 20 on the upper end surface of the treatment box 1, a driving component for driving the grid plate 18 to move towards or away from the opening 20 is arranged in the ecological purification bin 15, and the ecological purification bin 15 is provided with a second drain hole on the treatment box 1; a water inlet pipe orifice of the drain pipe 17 is connected with a second drain hole, and a control valve is arranged on the drain pipe 17;

a plurality of groups of planting boxes 22 are uniformly arranged on the grating plate 18; a plurality of groups of through holes are arranged on the bottom surface of each group of planting boxes 22, and planting layers 23 for planting aquatic plants 24 are arranged in each group of planting boxes 22; filter cloth is arranged between each group of planting layers 23 and the bottom surface of each group of planting boxes 22;

further, the aquatic plant 24 is selected from, but not limited to, one or more of Siberian iris, Acorus calamus, canna, Typha, Scirpus validus, Cyperus rotundus and rush;

the planting layer 23 consists of shell powder and expanded vermiculite particles;

a plurality of groups of supporting frames 2 are arranged on the side end surface of the treatment box 1 side by side; the filter box 4 is connected with a plurality of groups of support frames 2, the upper end surface of the filter box 4 is provided with an end cover 5, a filter layer is arranged in the filter box 4, the filter box 4 is provided with a water inlet port for connecting with a water delivery sewage pipeline, and the bottom surface of the filter box 4 is provided with a first drainage hole 26; the two ends of the first water pipe 3 are respectively connected with the first drain hole 26 and the water inlet hole.

In the utility model, when in use, domestic sewage is conveyed into the filter box 4 by the sewage pipeline, and the sewage is filtered by the filter layer and then enters the aerobic sedimentation bin 10 along the first water conveying pipe 3 for aerobic treatment and sedimentation; the settled impurities are discharged by a sewage discharge pump, and the treated sewage is pumped into the anaerobic bin 12 by a first liquid pumping device 27 for anaerobic treatment; carrying out anaerobic treatment on the sewage; the sewage after the anaerobic treatment is conveyed into the ecological purification bin 15 by the second liquid pumping device 28, and elements such as nitrogen, phosphorus, potassium and the like in the sewage are taken by aquatic plants planted in the ecological purification bin 15, so that the sewage is purified; the purified sewage is discharged from the water discharge pipe 17, so that the operation is simple and the use is convenient; in addition, the driving component arranged in the ecological purifying bin 15 can adjust the height of the grid plate 18 according to the water level change in the ecological purifying bin 15 so as to ensure that the root system of the aquatic plant is contacted with the sewage in the ecological purifying bin 15.

In an alternative embodiment, a sunshade 9 is also included; the sunshade 9 is connected and is handled case 1, and sunshade 9 is located opening 20 directly over, and sunshade 9 can be effectual protects aquatic plant 24.

In an alternative embodiment, the filter pack layer comprises a filter plate 41, a first sand granule layer 42, a second sand granule layer 43 and a quartz sand layer 44 arranged in this order along the liquid flow direction in the filter tank 4; the aperture value of the filter plate 41 is smaller than the outer diameter value of the sand particles in the first sand particle layer 42; the outer diameter value of the sand particles in the first sand particle layer 42 is greater than that of the sand particles in the second sand particle layer 43; the outer diameter value of the sand particles in the second sand particle layer 43 is larger than that of the quartz sand particles in the quartz sand layer 44;

filtering large impurities in the sewage through the arranged filter plate 41; the first sand granule layer 42, the second sand granule layer 43 and the quartz sand layer 44 filter particulate matters in the sewage.

In an alternative embodiment, a first filter is provided between the first and second layers of sand particles 42, 43; the mesh diameter value of the first filter is less than the outer diameter value of the sand particles in the first sand particle layer 42;

a second filter screen is arranged between the second sand-rock particle layer 43 and the quartz sand layer 44; the diameter value of the mesh of the second filter screen is smaller than the outer diameter value of the sand particles in the second sand particle layer 43;

a third filter screen is arranged between the quartz sand layer 44 and the bottom surface of the treatment box 1; the mesh diameter value of the third filter is smaller than the outer diameter value of the quartz sand particles in the quartz sand layer 44.

In an alternative embodiment, a discharge plate 25 and multiple sets of fastening members are also included; wherein, the bottom surface of the filter box 4 is provided with a plurality of groups of threaded blind holes;

a plurality of groups of mounting holes are arranged on the discharging plate 25; the plurality of groups of fastening pieces respectively penetrate through the plurality of groups of mounting holes and are screwed into the plurality of groups of threaded blind holes through threads; the end surface of the discharge plate 25 facing the bottom surface of the filter box 4 presses the bottom surface of the filter box 4, and the sealing gaskets are arranged on the end surfaces of the discharge plate 25 and the filter box 4 pressed tightly;

the discharge plate 25 is separated from the filter box 4, so that the sandstone and the like in the filter box 4 can be conveniently discharged and replaced.

In an alternative embodiment, the drive assembly comprises sets of guide rods 14, threaded rods 16 and handles 19;

a plurality of groups of guide rods 14 are distributed at one side inside the ecological purification bin 15 side by side, two ends of the plurality of groups of guide rods 14 are respectively connected with the inner wall of the ecological purification bin 15, and a plurality of groups of first sliding parts are respectively arranged on the plurality of groups of guide rods 14 in a sliding manner; the multiple groups of first sliding parts are all connected with one end of the grid plate 18;

the threaded rod 16 is parallel to the guide rod 14 and is positioned on the other side of the inner wall of the ecological purification bin 15, two ends of the threaded rod 16 are rotatably connected with the inner wall of the ecological purification bin 15, the threaded rod 16 penetrates through the treatment box 1 and is connected with the handle 19, and a second sliding piece is arranged on the threaded rod 16 in a threaded fit manner; the second slider is connected to the other end of the grid plate 18.

In an alternative embodiment, a plurality of sets of mounting plates 21 are arranged on the side end face of each set of planting boxes 22; the multiple groups of mounting plates 21 are respectively provided with multiple groups of assembly holes for binding the multiple groups of planting boxes 22 with the grid plates 18 through connecting ropes; the planting boxes 22 and the grid plates 18 are bound, so that the planting boxes 22 are prevented from being separated from the grid plates 18 under the buoyancy action of water when the grid plates 18 move up and down.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (7)

1. A rural domestic sewage distributed type full-ecological enhanced treatment device is characterized by comprising a treatment box (1), a support frame (2), a first water delivery pipe (3), a filter box (4), a second water delivery pipe (11), a third water delivery pipe (13), a drain pipe (17) and a grating plate (18);

a first clapboard (7) and a second clapboard (8) are arranged in the treatment box (1); the first partition plate (7) and the second partition plate (8) are distributed side by side and used for dividing the interior of the treatment box (1) into an aerobic sedimentation bin (10), an anaerobic bin (12) and an ecological purification bin (15) in sequence;

the aerobic sedimentation bin (10) is provided with a water inlet hole on the side end surface of the treatment box (1), and a plurality of groups of vent holes (6) are arranged on the treatment box (1); a dust screen is arranged in each group of the ventilation holes (6);

a pipe orifice at one end of the second water pipe (11) extends into the lower part of the liquid level in the aerobic sedimentation bin (10), the other pipe orifice of the second water pipe (11) extends into the anaerobic bin (12), and a first liquid pumping device (27) is arranged on the second water pipe (11);

a pipe orifice at one end of the third water pipe (13) extends into the lower part of the liquid level in the anaerobic bin (12), the other pipe orifice of the third water pipe (13) extends into the ecological purification bin (15), and a second liquid pumping device (28) is arranged on the third water pipe (13);

an opening (20) is formed in the upper end face of the treatment box (1) of the ecological purification bin (15), a driving assembly used for driving the grid plate (18) to move towards or away from the opening (20) is arranged in the ecological purification bin (15), and a second drain hole is formed in the treatment box (1) of the ecological purification bin (15); a water inlet pipe orifice of the drain pipe (17) is connected with the second drain hole, and a control valve is arranged on the drain pipe (17);

a plurality of groups of planting boxes (22) are uniformly arranged on the grating plate (18); a plurality of groups of through holes are arranged on the bottom surface of each group of planting boxes (22), and a planting layer (23) for planting aquatic plants (24) is arranged in each group of planting boxes (22); filter cloth is arranged between each group of planting layers (23) and the bottom surface of each group of planting boxes (22);

a plurality of groups of supporting frames (2) are arranged on the side end surface of the treatment box (1) side by side; the filter box (4) is connected with a plurality of groups of support frames (2), an end cover (5) is arranged on the upper end face of the filter box (4), a filter layer is arranged in the filter box (4), a water inlet port for connecting with a water delivery sewage pipeline is arranged on the filter box (4), and a first drainage hole (26) is arranged on the bottom face of the filter box (4); the two ends of the first water delivery pipe (3) are respectively connected with the first drainage hole (26) and the water inlet hole.

2. The rural domestic sewage distributed type total ecological reinforcement treatment equipment according to claim 1, further comprising a sunshade (9); the sunshade (9) is connected with the treatment box (1), and the sunshade (9) is positioned right above the opening (20).

3. The distributed type total ecological strengthening treatment equipment for rural domestic sewage according to claim 1, wherein the filter group layer comprises a filter plate (41), a first sand-rock particle layer (42), a second sand-rock particle layer (43) and a quartz sand layer (44) which are arranged in sequence along the flowing direction of liquid in the filter box (4); the aperture value of the filter plate (41) is smaller than the outer diameter value of the sand particles in the first sand particle layer (42); the outer diameter value of the sand particles in the first sand particle layer (42) is larger than that of the sand particles in the second sand particle layer (43); the outer diameter value of the sand particles in the second sand particle layer (43) is larger than that of the quartz sand particles in the quartz sand layer (44).

4. The rural domestic sewage distributed type total ecological strengthening treatment equipment according to claim 3, wherein a first filter screen is arranged between the first sand-rock particle layer (42) and the second sand-rock particle layer (43); the diameter value of the mesh of the first filter screen is smaller than the outer diameter value of the sand particles in the first sand particle layer (42);

a second filter screen is arranged between the second sand-rock particle layer (43) and the quartz sand layer (44); the diameter value of the meshes of the second filter screen is smaller than the outer diameter value of the sand particles in the second sand particle layer (43);

a third filter screen is arranged between the quartz sand layer (44) and the bottom surface of the treatment box (1); the diameter value of the mesh of the third filter screen is smaller than the outer diameter value of quartz sand particles in the quartz sand layer (44).

5. The rural domestic sewage distributed type total ecological reinforcement treatment equipment according to claim 3, further comprising a discharge plate (25) and a plurality of groups of fastening pieces; wherein, the bottom surface of the filter box (4) is provided with a plurality of groups of threaded blind holes;

a plurality of groups of mounting holes are arranged on the discharging plate (25); the plurality of groups of fastening pieces respectively penetrate through the plurality of groups of mounting holes and are screwed into the plurality of groups of threaded blind holes through threads; the end face of the discharge plate (25) facing the bottom face of the filter box (4) compresses the bottom face of the filter box (4), and the compressed end faces of the discharge plate (25) and the bottom face of the filter box (4) are provided with sealing gaskets.

6. The rural domestic sewage decentralized full-ecological enhanced treatment device according to claim 1, wherein the driving assembly comprises a plurality of sets of guide rods (14), threaded rods (16) and handles (19);

a plurality of groups of guide rods (14) are distributed on one side inside the ecological purification bin (15) side by side, two ends of the plurality of groups of guide rods (14) are respectively connected with the inner wall of the ecological purification bin (15), and a plurality of groups of first sliding parts are respectively arranged on the plurality of groups of guide rods (14) in a sliding manner; the multiple groups of first sliding parts are connected with one end of the grid plate (18);

the threaded rod (16) is parallel to the guide rod (14) and is positioned on the other side of the inner wall of the ecological purification bin (15), two ends of the threaded rod (16) are rotatably connected with the inner wall of the ecological purification bin (15), the threaded rod (16) is connected with the handle (19), and a second sliding piece is arranged on the threaded rod (16) in a threaded fit manner; the second slider is connected to the other end of the grid plate (18).

7. The distributed type total ecological strengthening treatment equipment for rural domestic sewage according to claim 1, wherein a plurality of groups of mounting plates (21) are arranged on the side end surface of each group of planting boxes (22); the multiple groups of mounting plates (21) are respectively provided with multiple groups of assembly holes for binding the multiple groups of planting boxes (22) with the grid plates (18) through connecting ropes.

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