CN209872525U - Assembled filler block and assembled notch cuttype shore water wetland clean system - Google Patents

Abstract

The utility model discloses an assembled packing block, which comprises an assembly frame and N square packing block units embedded in it; The cavity is connected with holes; the cavity is provided with a packing layer, an ecological fiber layer and a hard screen layer in sequence from top to bottom. The utility model also discloses an assembled stepped waterside wetland purification system, which includes a stepped wetland purification system. The stepped wetland purification system is provided with a stepped purification pool; the above-mentioned assembled packing block is laid in the purification pool; A soil layer is covered on the assembled filling block; aquatic plants are planted on the soil layer. The assembled packing blocks of the utility model can be assembled on wetlands of different sizes; the assembly is flexible and convenient; and the replacement and recycling of the packing blocks can be realized. The prefabricated stepped waterfront wetland purification system of the utility model can realize the accumulation and recycling of water resources, and has convenient regeneration and low cost.

Description

An assembled packing block and an assembled stepped waterfront wetland purification system

technical field

The utility model relates to a wetland purification system, in particular to an assembled packing block and an assembled stepped waterside wetland purification system.

Background technique

At present, with the continuous development of the economy and society, people's living standards continue to improve, and people put forward higher requirements for their own living environment, and the engineering concept of prefabricated buildings has emerged. A prefabricated building refers to a building in which some or all of the components are prefabricated in the factory, then transported to the construction site, and the components are assembled through reliable connections. Compared with traditional buildings, it is more efficient in terms of design, processing, installation and decoration. Emphasis on standardization and modularization, so it is more efficient.

At present, the construction related technologies of constructed wetlands are relatively mature, and constructed wetlands can be divided into several types according to the differences in water flow patterns: surface flow constructed wetlands, horizontal subsurface flow constructed wetlands, vertical subsurface flow constructed wetlands, composite flow constructed wetlands, etc. However, the research on these artificial wetlands is relatively common, and has not fundamentally solved the problem of wetland blockage. It is difficult to adapt to various complex natural disasters, and the interception effect on pollutants is limited. In order to solve the above problems, we aim at the design concept of prefabricated buildings. Extract the core of the main research: turn a single structure into a complete set of production, and then assemble it and apply it to the engineering field. This patent proposes an assembled stepped waterfront wetland purification system applied to river water purification, which not only improves the retention of pollutants in the waterfront wetland, but also solves the blockage problem generated during the operation of the wetland, and realizes The water storage of the river course and the reuse function of water resources.

Contents of the invention

In order to solve the technical problems in the known technology, the utility model provides an assembled packing block and an assembled stepped packing block which can not only solve the blockage problem of the constructed wetland, but also efficiently remove the pollutants in the water body, and can also adapt to complex ground conditions. Waterfront wetland purification system.

The technical scheme adopted by the utility model to solve the technical problems existing in the known technology is: an assembled packing block, including an assembly frame and N square packing block units embedded in it; There is a cavity, and holes communicating with the cavity are opened on the top and bottom of the cavity; a packing layer, an ecological fiber layer and a hard screen layer are sequentially arranged in the cavity from top to bottom.

Further, the assembly frame is covered with a resin layer.

Further, the filler layer includes a green zeolite filler layer, a cinder filler layer and/or a volcanic rock filler layer.

Further, the ecological fiber layer is a bamboo fiber layer.

Further, the hard screen layer is a stainless steel screen layer.

Further, the assembly frame is L-shaped, and three packing block units are embedded in it.

The utility model also provides an assembled stepped waterside wetland purification system, which includes a stepped wetland purification system. The stepped wetland purification system is provided with a stepped purification pool; A filler block; a soil layer is covered on the assembled filler block; aquatic plants are planted on the soil layer.

Further, it also includes a water collection system for collecting water to be purified, a pretreatment system for removing suspended solids in water, and a clarification tank for sedimentation of sand particles in water; the water to be purified flows through the water collection system, The pretreatment system, the stepped wetland purification system and the clarification tank.

Further, the pretreatment system includes a grid area, a facultative area and an aerobic area; the grid area is provided with a multi-layer grid; the facultative area and the aerobic area are provided with solar aeration devices .

Further, aquatic plants are planted on the solar aeration device.

The advantages and positive effects that the utility model has are:

The assembled packing block of the utility model adopts an assembly frame and an assembleable structure of N square packing block units embedded in it, and can be assembled on sites of different sizes; the assembly is flexible and easy; the assembly frame of the assembled packing block is Covering the resin layer can also realize the replacement and recycling of the packing block on the basis of ensuring environmental protection. The packing layer in the packing block unit is made of green zeolite, cinder, volcanic rock and other materials. The materials of green zeolite, cinder and volcanic rock improve the strong adsorption effect of the assembled packing block on ammonia nitrogen and phosphorus, and can also attach some microorganisms to cooperate with plants. Effectively remove nutrient-rich elements in water; the assembly frame of the prefabricated filler block is L-shaped, which is convenient for alignment and laying.

The prefabricated step-type waterfront wetland purification system of the utility model, the step-type wetland purification system in the system is provided with a step purification pool, the above-mentioned prefabricated packing block is laid in the step purification pool, and the soil layer is covered on the prefabricated packing block Aquatic plants such as reeds, Siberian iris, calamus, etc. can be planted on the soil layer, which have a good interception effect on nitrogen and phosphorus in the water body, effectively intercept nitrogen and phosphorus in the river, and reduce the concentration of nitrogen and phosphorus in the effluent.

The pretreatment system in the system can remove the suspended matter in the water body and prevent the blockage of the mixed packing layer; it can effectively slow down the flow rate of the water body and ensure the purification effect of the water purification treatment system during the rainfall or river flood season. The facultative zone and aerobic zone of the pretreatment system are equipped with solar aeration devices. Aquatic plants can also be planted in the solar aeration device to further remove nitrogen and phosphorus in the water and promote the synergistic purification of plants-fillers-microbes.

In the clarifier in the system, the sediment passes through the wetland system to carry sand particles and prolong the hydraulic retention time to ensure that the transparency of the effluent and the concentration of pollutants meet the standards.

The prefabricated stepped waterfront wetland purification system of the utility model can realize the accumulation and recycling of water resources, and has the characteristics of high treatment efficiency, convenient regeneration, low cost, and good environmental benefits.

Description of drawings

Fig. 1 is the structural representation of assembled packing block of the present invention;

Fig. 2 is a sectional view of the packing block unit in the assembled packing block of the present invention;

Fig. 3 is the top view of the assembled stepped waterfront wetland purification system of the present invention;

Fig. 4 is a side sectional view of the assembled stepped waterfront wetland purification system of the present invention;

Fig. 5 is a schematic structural view of the stepped wetland purification system of the present invention.

In the figure: 1-river, 2-wooden pile, 3-water inlet pipeline, 4-water inlet booster pump station, 5-water outlet pipeline, 6-pretreatment system, 7-grid area, 8 facultative area, 9-aerobic zone, 10-purification pool A, 11-purification pool B, 12-purification pool C, 13-clarification tank, 14-ecological bank slope, 15-surrounding green space, 16-collection tank, 17-water hole , 18- coal cinder assembled packing block, 19- volcanic rock assembled packing block, 20- green zeolite assembled packing block, 21- soil layer, 22- waterfront wetland bank slope, 23- stepped gabion layer, 24- ladder Type wetland purification system, 25-coarse grid, 26-fine grid, 27-retaining partition, 28-solar aeration pump, 29-Siberian iris, 30-reed, 31-calamus, 32-assembled packing Block, 33-filling block unit, 34-assembly frame, 35-hard screen; 36-ecological fiber layer, 37-filling layer.

Detailed ways

In order to further understand the invention content, characteristics and effects of the present utility model, the following embodiments are listed hereby, and detailed descriptions are as follows in conjunction with the accompanying drawings:

1 to 5, an assembled packing block 32 includes an assembly frame 34 and N square packing block units 33 embedded therein; There are holes communicating with the cavity; the cavity is provided with a packing layer 37, an ecological fiber layer 36 and a hard screen layer in sequence from top to bottom. The assembly frame 34 and the N square filler block units 33 embedded in the assembly structure can be combined and assembled on sites of different sizes; the assembly is flexible and convenient. The assembly frame 34 can be L-shaped, and three packing block units 33 can be embedded in it. The L-shaped assembly frame 34 is convenient for alignment and laying. The filler block unit 33 can be formed by mixing concrete and diatomaceous earth. The assembly frame 34 can be made of lightweight materials. Such as low carbon steel, PVC and so on. The hard screen layer can be made of a hard screen 35 made of stainless steel or the like. The hard screen layer in the packing block unit can be directly embedded in the packing block unit body when making the packing block unit body, pressed or poured together, or an annular shoulder can be set at the bottom of the packing block unit body; the hard screen layer is placed on shoulder.

Further, the assembly frame 34 may be coated with a resin layer. The assembly frame 34 of the assembled packing block 32 is covered with a resin layer, which can also realize the replacement and recycling of the packing block on the basis of ensuring environmental protection.

Further, the filler layer 37 may include a green zeolite filler layer, a cinder filler layer and/or a volcanic rock filler layer. The filler layer 37 in the filler block unit 33 can be a filler layer made of materials such as green zeolite, cinder, volcanic rock, the filler layer 37 can be made of one material, or can be made by mixing several materials, or can be made of multiple materials. layers, each made of a different material. Green zeolite, coal cinder, volcanic rock materials, these filler layer materials can improve the assembled packing block 32 has a strong adsorption effect on ammonia, nitrogen and phosphorus, some microorganisms can also be attached to the surface of green zeolite, coal cinder, volcanic rock, and the synergistic effect of plants is effective The removal of nutrient-rich elements in water.

Further, the ecological fiber layer 36 can be a bamboo fiber layer. The ecological fiber layer 36 is eco-friendly and can attach some microorganisms to effectively remove nutrient-rich elements in water in cooperation with the action of plants.

Further, the hard mesh layer may be a stainless steel mesh layer. The bottom of the filler block unit 33 is covered with a steel hard screen layer with a small aperture to filter silt and prevent large particles of silt from entering the cavity.

The utility model also provides an embodiment of an assembled stepped waterfront wetland purification system, the assembled stepped waterfront wetland purification system includes a stepped wetland purification system 24, and the stepped wetland purification system 24 is provided with a stepped A purification tank; the above-mentioned prefabricated packing block 32 is laid in the purifying pool; the above-mentioned prefabricated packing block 32 is covered with a soil layer 21; aquatic plants are planted on the soil layer 21. The upper layer of the assembled packing block 32 is a soil layer 21, on which reed 30, Siberian iris 29, calamus 31 and other aquatic plants can be planted. These plants have strong tolerance to the environment and are resistant to nitrogen and phosphorus in water bodies. The comprehensive absorption and enrichment ability of nutrients such as nutrient elements is relatively strong, and the main purpose is to remove eutrophic elements in the water body; the stepped purification pool can include multiple purification pools arranged in a stepped shape; for example, as shown in Figure 5, from high to The low order includes purification pool A10, purification pool B11, and purification pool C12; each purification pool can be laid with assembled packing blocks 32 of different filling materials; the purification pool A10 can be laid with a packing layer 37 that is an assembled packing made of green zeolite material Block 32; the purification pool B11 can lay the packing layer 37 as an assembled packing block 32 made of cinder material; the purification pool C12 can lay the packing layer 37 as an assembled packing block 32 made of volcanic rock material. The prefabricated packing block 37 made of cinder material can be called cinder prefabricated packing block 18; the prefabricated packing block made of volcanic rock material can be called volcanic rock prefabricated packing block 19; 37 is an assembled packing block made of green zeolite material, which can be called green zeolite assembled packing block 20 .

Further, the prefabricated stepped waterfront wetland purification system can be built according to the size of the river channel 1, and the prefabricated stepped waterfront wetland purification system can also include a water collection system for collecting water to be purified, for removing A pretreatment system 6 for suspended solids in water and a clarifier 13 for sedimentation of sand particles in the water; the water to be purified can flow through the water collection system, the pretreatment system 6, the stepped wetland purification system 24 and The clarifier 13.

Among them, the water collection system is used to collect water to be purified. The water collection system can be equipped with facilities such as collection tanks 16 for collecting water from the ecological bank slope 14 and surrounding green land 15, and collecting water from the ecological bank slope 14 and surrounding green land 15. More often, when the water level reaches a certain height, it can flow into the collection tank 16 through the surface layer, and when the water flow reaches a certain height, it enters the prefabricated waterfront wetland through the permeable holes to effectively intercept nitrogen and phosphorus.

The water flows into the pretreatment system 6 from the height-adjustable collection tank 16 during the high water season, and the water in the river is pumped into the pretreatment system 6 by the water inflow booster pump station 4 during the flat water season and dry season.

The pretreatment system 6 may include a grid area 7, a facultative area 8 and an aerobic area 9; the grid area 7 may be provided with a multi-layer grid; the main purpose of the grid area 7 is to remove larger Suspended matter prevents artificial filler medium from clogging; said facultative zone 8 and said aerobic zone 9 can be provided with solar aeration devices, and aquatic plants can be planted on said solar aeration devices, in facultative zone 8 and good The main purpose of adding a certain amount of microbial adsorbent in the oxygen zone 9 is to increase the aeration rate in the water body and at the same time ensure the coordinated action of plants-fillers-microbes to remove nitrogen and phosphorus in the water body.

The water treated by the stepped wetland purification system 24 flows into the clarification tank 13, and some sand particles carried in the water can effectively settle, prolong the hydraulic retention time, and slow down the water flow velocity; as the liquid level gradually increases, after reaching the limit It is pumped out through the effluent pressurization pumping station, and flows into the river channel 1 along the pipeline. It has fully realized the "detention" effect of the prefabricated stepped wetland purification system on the water body.

Below in conjunction with a preferred embodiment of the present utility model, the structure of the present utility model and working principle are further described:

Fig. 1 is a schematic structural view of a prefabricated packing block 32 of the present invention, and Fig. 2 is a sectional view of a packing block unit in the prefabricated packing block of the present invention. The prefabricated packing block 32 mainly uses the packing block unit 33 made of diatomite as the carrier. The external dimensions of the packing block unit 33: length, width and height are 292cm*292cm*300cm; the internal cavity size of the packing block unit 33: the length, width and depth are 180cm*180cm*300cm, the bottom is fixed with a hard screen 35, the diameter of the mesh can be 0.1cm to 0.5cm, the filler block unit 33 is laid with ecological fibers on the hard screen 35, and three filler block units 33 form a group , the L-shaped assembly frame 34 can be selected to be made of hard low-carbon steel, and the assembly frame 34 is covered with a resin layer.

Fig. 3 is a top view of the assembled stepped waterside wetland purification system of the present invention. The design length of the system is 30m. It is equipped with water inlet pressurization pump station 4, water outlet pressurization pump station, water inlet pipeline 3 and water outlet pipeline 5. The diameter of water inlet pipeline 3 is 0.35m. Stepped gabion layer 23 is arranged, and the wooden pile 2 of thickness d=6cm, height h=40-50cm is laid every 1cm at the bottom of the stepped gabion layer 23, and the laying length distance is 40m. In the treatment system 6, the grid zone 7 of the pretreatment system 6 is 1.5m long and 5m wide, the facultative zone 8 is 2.5m long and 5m wide, and the aerobic zone 9 is 2.5m long and 5m wide, and the water flow enters the assembly Stepped wetland system, the stepped purification pool is divided into three layers, and is a square stepped purification pool with a side length of 5m. The clarification pool 13 has a width of 4m and a length of 5m. The outlet pipe 5 has a pipe diameter of 0.4m and a length of 3.4m. The collection tank 16 has a length of 30m, a width of 1.2m, and an inner diameter of 1.0m. On the side walls of the collection tank 16 and the grid area 7, a water hole 17 can be opened at a distance of 0.3m from the highest wetland. The aperture is square. The hole is 0.4m long and 0.2m wide. The ecological bank slope 14 has a length of 30m and a width of 3.5m. Next to the stepped wetland system and the pretreatment system 6 can be surrounding green space 15 .

Fig. 4 is a side sectional view of the assembled stepped waterside wetland purification system of the present invention. The stepped gabion layer 23 is 30m long and 2.0m wide, and its height is accumulated from the bottom of the river to be flush with the bank slope 22 of the waterfront wetland. The bank slope 22 of the waterfront wetland is set in a ladder shape, and the average width of each step is 20cm About 10cm high. The bank slope 22 of the waterfront wetland has a width of 3.4m.

Fig. 5 is a structural schematic diagram of a stepped wetland purification system 24 of the present invention, which shows a schematic diagram of an assembled stepped wetland. In the stepped purification pool of the stepped wetland purification system 24, prefabricated packing blocks 32 of different filling materials such as cinder, volcanic rock, and green zeolite are laid. Three different plants were selected: 29 Siberian iris, 30 reeds, and calamus. The spacing between the plants on the three high-wet grounds was 30cm/plant, and the thickness of the wetland soil layer was 30cm. The distance between the three-section stepped wetland and the top of the previous wetland is 30cm. In the pretreatment system 6, a steel coarse grid 25 (grid thickness 50mm) and a steel fine grid 26 (grid thickness 9mm) are respectively set up at the grid area 71/3 and 2/3, and the distance between The positions at 150cm and 400cm from the initial end of the treatment system 6 are set up with plexiglass baffles respectively, and the heights of the baffles are 40cm and 30cm respectively, and the aeration devices of solar aeration devices are laid at the bottom of the central position of the facultative zone 8 and the aerobic zone 9. Disk, adopt solar panel power supply to guarantee its normal operation such as the aeration pump 28 of aeration device.

The river water is input into the pretreatment system 6 through the water inlet pipeline 3 by the water inlet pressurization pump station 4, and the grid area 7 initially intercepts the suspended matter in the water body, which alleviates the problem of wetland filler blockage and effectively slows down the water body. The flow rate ensures the purification effect of the stepped wetland purification system 24. The water body flows into the facultative area 8 and the aerobic area 9 through the grid area 7, and in the facultative area 8 and the aerobic area 9, dosing and removal of nitrogen and phosphorus Microbial adsorbent, install solar aeration device in facultative zone 8 and aerobic zone 9, provide oxygen for water body environment through aeration pump 28, provide a suitable living environment for water body microorganisms, and promote plant-filler-microorganism nitrogen and phosphorus synergistic removal.

After passing through the pretreatment system 6, the water flows evenly into the step-type wetland purification system 24 under the action of gravity, and then flows into the purification pool A10, purification pool B11, and purification pool C12 in sequence. Leakage occurs in the water body, the purification pond A10, the purification pond B11, and the purification pond C12 can respectively plant aquatic plants such as Siberian iris 29, reed 30, and calamus 31, and each purification pond can be laid with prefabricated packing blocks 32 of different filling materials. Purification pool A10 can be laid with packing layer 37 which is cinder assembled packing block 18 made of cinder material; purification pool B11 can be laid with packing layer 37 which is volcanic rock assembled packing block 19 made of volcanic rock material; purification pool C12 can be laid with packing layer 37 Green zeolite assembled filler block 20 made of green zeolite material. Under the synergistic effect of plants-fillers-microbes, nutrient-rich elements such as nitrogen and phosphorus in the water body can be effectively removed. The particle size of the cinder filler layer, volcanic rock filler layer, and green zeolite filler layer is 1-2cm, and cinder, volcanic rock, green zeolite materials Microorganisms can be attached to the surface, and the main purpose is to remove phosphorus in the water body and convert ammonia nitrogen in the water into nitrate substances for plant growth.

After being treated by the step-type wetland purification system 24, the water body flows into the clarification tank 13 with the weight flow, and the residual suspended matter in the water continues to settle, which effectively improves the purification effect of the water body; And the outlet pipeline 5 re-enters the treated river water into the river; realizing the recycling of water resources.

When it rains, the ecological bank slope 14 collects more water. When the water level reaches a certain height, it can flow into the collection tank 16 through the surface layer. When the water flow reaches a certain height, it enters the pretreatment system 6 through the water hole 17 to effectively remove nitrogen and phosphorus. intercept.

With the increase of running time, the wetland filler is gradually blocked, and the assembled filler block 32 can be taken out in time, and the inner filler layer 37 of the filler block unit 33 is replaced and put back into the wetland to realize the inner filler layer 37 of the filler block unit 33 in the wetland. The timely regeneration of the wetland ensures the continuous operation of the wetland and efficiently removes nitrogen and phosphorus in the river water. The prefabricated stepped waterfront wetland purification system based on the concept of prefabricated buildings can have a significant removal effect on nitrogen and phosphorus in water through the synergistic effect of multiple plants and prefabricated filler blocks 32. On the basis of suspended matter in the water body, the aeration rate of the water body is increased, the hydraulic retention time is prolonged, and a more suitable living environment is provided for the dosing of bacterial strains, ensuring a sufficient biological reaction of the prefabricated stepped wetland. The prefabricated packing block 32 Its built-in packing layer 37 can be updated and regenerated in time to ensure the long-term effective operation of the waterfront wetland treatment system in the treatment of river channel 1. Compared with the original water quality, the prefabricated stepped waterfront wetland purification system is used to intercept and remove nitrogen and phosphorus rate can be increased by more than 20%.

The embodiments described above are only used to illustrate the technical ideas and characteristics of the present utility model, and its purpose is to enable those skilled in the art to understand the content of the present utility model and implement it accordingly, and the present utility model cannot be limited only by this embodiment. The patent scope of the utility model, that is, all equivalent changes or modifications made to the spirit disclosed in the utility model still fall within the patent scope of the utility model.

Claims (10)

1. An assembled filler block is characterized by comprising an assembling frame and N square filler block units embedded in the assembling frame; the filler block unit is internally provided with a containing cavity, and the upper surface and the lower surface of the filler block unit are provided with holes communicated with the containing cavity; and a packing layer, an ecological fiber layer and a hard screen layer are sequentially arranged in the accommodating cavity from top to bottom.

2. The fabricated filler block of claim 1, wherein the fabricated frame is overwrapped with a resin layer.

3. The fabricated filler block of claim 1, wherein the filler layer comprises a green zeolite filler layer, a cinder filler layer, and/or a volcanic filler layer.

4. The fabricated filler block of claim 1, wherein the ecological fiber layer is a bamboo fiber layer.

5. The fitted filler block of claim 1, wherein the hard mesh layer is a stainless steel mesh layer.

6. The fabricated filler block of claim 1, wherein the fabricated frame is L-shaped, having three of the filler block units embedded therein.

7. An assembled stepped waterfront purification system is characterized by comprising a stepped wetland purification system, wherein the stepped wetland purification system is provided with a stepped purification tank; the assembled filler blocks of any one of claims 1 to 6 are paved in the purification tank; covering a soil layer on the assembled filler blocks; and aquatic plants are planted on the soil layer.

8. The assembled stepped waterfront purification system of claim 7, further comprising a water collection system for collecting water to be purified, a pretreatment system for removing suspended matter from the water, and a clarifier for settling sand and stone particles in the water; and the water to be purified flows through the water collecting system, the pretreatment system, the stepped wetland purification system and the clarification tank in sequence.

9. The fabricated stepped waterfront purification system of claim 8, wherein the pretreatment system comprises a grid section, a facultative section, and an aerobic section; the grid area is provided with a plurality of layers of grids; the facultative zone and the aerobic zone are provided with solar aeration devices.

10. The fitted stepped waterfront purification system of claim 9, wherein aquatic plants are planted on the solar aeration device.