CN108862604B - Netted basalt fiber combined type baffling constructed wetland system - Google Patents
Netted basalt fiber combined type baffling constructed wetland system Download PDFInfo
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- CN108862604B CN108862604B CN201810659017.6A CN201810659017A CN108862604B CN 108862604 B CN108862604 B CN 108862604B CN 201810659017 A CN201810659017 A CN 201810659017A CN 108862604 B CN108862604 B CN 108862604B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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Abstract
The invention provides a reticular basalt fiber combined type baffling constructed wetland system which comprises a tank body, a constructed wetland sewage water distribution area, a constructed wetland effluent water collection area and an isolation section, wherein the isolation section is provided with a conventional filler section which divides the tank body into a plurality of sections at intervals, the tank body comprises a bottom wall, a long side wall and short side walls, the constructed wetland sewage water distribution area and the constructed wetland effluent water collection area are respectively positioned at the outer sides of the two short side walls, the isolation section is arranged in parallel with the short side walls and is abutted against the bottom wall, and the isolation section extends from the long side wall to the other long side wall; the isolation sections comprise partition plates and meshed basalt fiber filler foundation grooves, and two adjacent isolation sections are arranged in a reverse direction; and the two adjacent conventional filler sections are communicated through the reticular basalt fiber filler foundation groove. Compared with the prior art, the reticular basalt fiber combined type baffling constructed wetland system uses the basalt fiber base material, and has high-efficiency decontamination and good effluent quality.
Description
Technical Field
The invention belongs to the field of organic sewage (wastewater) treatment and resource utilization, and particularly relates to a reticular basalt fiber composite baffling constructed wetland system.
Background
The artificial wetland sewage treatment system is an ecological sewage treatment technology which simulates a natural wetland and is constructed and supervised artificially. The method fully utilizes the triple synergistic effects of physics, chemistry and biology of a composite ecosystem consisting of plants, matrixes and microorganisms in the constructed wetland to purify the sewage. Because the organic waste water treatment system has the advantages of low construction and operation cost, good ecological benefit, capability of utilizing renewable energy sources and the like, the organic waste water treatment system is rapidly developed, popularized and applied in the treatment of various organic waste water and the ecological restoration of micro-polluted water bodies.
At present, artificial wetland sewage treatment systems mainly comprise surface flow artificial wetlands, horizontal subsurface flow artificial wetlands and vertical flow artificial wetlands according to different structures. The horizontal subsurface flow constructed wetland is a wetland treatment system which is most widely applied at present. In the system, sewage flows horizontally below the surface of the wetland bed, so that on one hand, a biological film attached to the surface of the filler, rich plant roots and filler interception function are fully utilized, and the treatment effect and capacity are improved; on the other hand, since the water flows under the ground surface, the influence of weather is small and sanitary conditions are good. However, in the operation process, the horizontal subsurface flow type artificial wetland has the defects of large floor area, low nutrient substance removal efficiency, easy short flow and blockage and the like, thereby limiting the further popularization and application of the horizontal subsurface flow type artificial wetland.
The baffling type undercurrent artificial wetland is an improved undercurrent artificial wetland system. In the system, a plurality of partition plates or partition walls connected with the long sides of the wetland are arranged in the direction vertical to the water flow, so that the water flow in the pond flows diagonally in each partition tank, the retention time of sewage is prolonged, the sewage is more fully contacted with a composite ecological system consisting of plants, matrixes and microorganisms, and the triple synergistic purification effects of physics, chemistry and biology in the wetland are more fully exerted. Compared with the traditional horizontal subsurface flow constructed wetland, the horizontal subsurface flow constructed wetland has the advantages that short flow is not easy to occur, and the removal of nutrient substances in the sewage is improved to a certain extent.
The filler is used as an important component of the artificial wetland, on one hand, pollutants are directly purified and removed through physical and chemical ways such as absorption, adsorption, ion exchange, complex reaction and the like, and on the other hand, a carrier is provided for the growth of plants and microorganisms in the artificial wetland, and further the purification effect of the system is influenced. The traditional artificial wetland filler comprises soil, gravel, zeolite, limestone, fly ash, ceramics, plastics and the like, mainly comprises granular materials, and has the defects of small contact area, low porosity, low microorganism attachment efficiency, easy blockage and the like. With the emergence of various novel materials, fiber materials have been used as carrier substrates in the field of water treatment, such as carbon fibers and bamboo fibers, but the high cost of such materials or the high pollution in the manufacturing process is also prohibitive.
The basalt fiber filler base material adopted in the invention takes natural basalt ore as a raw material, has wide sources and lower cost, basically does not generate harmful substances in the preparation process, and is an inorganic green healthy fiber without environmental pollution. Compared with other filler base materials, the basalt fiber has the advantages of high cost performance, large specific surface area, good stability, corrosion resistance, strong environmental adaptability, large water impact load resistance and the like. In addition, the basalt fiber filler base material has the characteristic of being more beneficial to the aggregation, growth and reproduction of microorganisms, so that the biochemical reaction efficiency is greatly improved, and the removal efficiency of nutrient substances is obviously enhanced.
In a baffling type subsurface flow constructed wetland sewage treatment system, how to organically combine basalt fiber filler with a traditional wetland by adopting an efficient and feasible combination mode is a technical problem to be solved urgently. On one hand, the requirements are that the basalt fiber filler base material has larger contact area with sewage as much as possible, the contact time is more sufficient, the sewage purification effect of the basalt fiber filler base material is better exerted, the removal efficiency of the deflection type undercurrent artificial wetland on nutrients such as organic matters is further improved, the effluent quality is improved, and meanwhile, the advantages that the deflection type undercurrent artificial wetland is not easy to generate short current and the like are fully utilized and reserved; on the other hand, the combination mode is required to easily clean the aged biomembrane falling off from the surface of the basalt fiber filler substrate, so that the aged biomembrane is not easy to become an important factor for blocking the artificial wetland system, and simultaneously, the combination and replacement of the basalt fiber filler are required to be convenient and feasible, and the utilization efficiency of basalt fibers is improved.
Therefore, there is a need to provide a new constructed wetland system to solve the above problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a reticular basalt fiber combined type baffling constructed wetland system which adopts basalt fiber base materials and has high decontamination efficiency and good effluent quality.
In order to solve the technical problem, the invention provides a reticular basalt fiber composite baffling constructed wetland system.
Preferably, the artificial wetland sewage treatment system comprises a tank body with an upward opening, an artificial wetland sewage distribution area and an artificial wetland effluent collection area which are respectively positioned at two opposite sides of the tank body and are communicated with each other, and at least two isolation sections arranged in the tank body, wherein the isolation sections are arranged at intervals to divide the tank body into a plurality of conventional filler sections which are independent areas, the tank body comprises a bottom wall, two long side walls which are bent and extended from the two opposite sides of the bottom wall, and two short side walls which are bent and extended from the other two opposite sides of the bottom wall, the artificial wetland sewage distribution area and the artificial wetland effluent collection area are respectively positioned at the outer sides of the two short side walls, the isolation sections are arranged in parallel to the short side walls and are abutted against the bottom wall, and the isolation sections extend from one of the long side walls to the other long side wall; the isolation sections comprise partition plates and meshed basalt fiber filler foundation grooves which extend from the partition plates and are the same as the partition plates in thickness, and two adjacent isolation sections are arranged in a reverse direction; and the two adjacent conventional filler sections are communicated through the reticular basalt fiber filler foundation groove.
Preferably, the bottom wall comprises an impermeable layer fixed on the inner side of the tank body.
Preferably, the length of the partition plate is 50% -60% of the width of the tank body.
Preferably, the thickness of the separator is 10 cm.
Preferably, the length of the reticular basalt fiber filler foundation tank is set to be 40% -50% of the width of the tank body.
Preferably, the conventional filling material section comprises a cell, conventional filling material filled in the cell and plants planted in the cell.
Preferably, the length-width ratio of the separation pool is set to be 2: 1-1: 1.
Preferably, the bottom surface of the separation pool is of a cross slope structure with the slope of 1-2%.
Preferably, the reticular basalt fiber filler foundation tank comprises a netlike water inlet and outlet perforated partition board, fixed angle steel, a solid net rack structure, a flaky reticular basalt fiber filler and a circular hanging ring, the water inlet and outlet perforated partition board is vertically and fixedly arranged at the upper end of the bottom wall and extends and abuts against one long side wall from the partition board to the direction far away from the partition board, the water inlet and outlet perforated partition board comprises two meshed basalt fiber filler foundation tanks which are arranged at two ends of the reticular basalt fiber filler foundation tank along the long axis direction of the tank body in parallel, the fixed angle steel is fixed at the inner side of the water inlet and outlet perforated partition board close to the bottom wall direction, the solid net rack is arranged on the inner side surface of the fixed angle steel, the solid net rack structure is supported and fixed on the fixed angle steel, the reticular basalt fiber filler is fixed inside the solid net rack structure, the reticular basalt fiber filler is perpendicular to the bottom wall, comprises at least two layers and is arranged in parallel along the axial direction of the tank body, and the hanging ring is fixed at the top end of the solid net rack.
Preferably, the aperture ratio of the water inlet and outlet perforated partition plate is set to be 50% -70%; the diameter of the hole of the water inlet and outlet perforated partition plate is set to be phi 20-40 mm.
Preferably, the reticular basalt fiber filler is of a 2-3 lamellar structure.
Compared with the prior art, the reticular basalt fiber composite baffling constructed wetland system is not easy to generate short flow, prolongs the retention time of sewage, and improves the removal of nutrient substances in the sewage to a certain degree. And because each bottom surface of the separation pool is provided with a cross slope with the slope of 1-2%, the short flow phenomenon is further avoided. When sewage passes through each filling section and the reticular basalt fiber filling foundation tank, organic pollutants, nitrogen, phosphorus and other nutrient substances are removed under the combined action of adsorption, microbial degradation and plant absorption of the conventional filling and the reticular basalt fiber filling. Particularly, when sewage passes through the reticular basalt fiber filler foundation tank at the turning part of water flow, on one hand, as the reticular basalt fiber filler is adopted, compared with other types of fibers, the reticular basalt fiber filler is more beneficial to the aggregation, growth and reproduction of microorganisms, so that the concentration of the microorganisms in the reticular basalt fiber filler foundation tank is increased, and the efficiency of biochemical reaction is greatly improved; meanwhile, the fiber filler has a larger specific surface area, and the plurality of layers of the reticular basalt fiber filler also enable the fiber to have a larger contact area with sewage, so that the contact time is more sufficient, and the sewage purification effect of the basalt fiber can be better exerted. On the other hand, as the reticular basalt fiber filler base groove is arranged at the water flow turning part of the reticular basalt fiber composite baffling artificial wetland system, the sewage which is not easy to generate short flow phenomenon originally is more fully contacted with the reticular basalt fiber filler base groove, finally, the removal efficiency of the nutrient substances of the reticular basalt fiber composite baffling artificial wetland system is greatly enhanced, and the effluent water quality is improved. When the biological film attached to the surface of the reticular basalt fiber filler is aged and falls off, the solid net rack can be periodically taken out, the basal trough of the reticular basalt fiber filler is cleaned, and the reticular basalt fiber filler is replaced or cleaned, so that the aims of recycling the reticular basalt fiber filler and continuously and obviously removing the nutrient substances such as organic matters from the reticular basalt fiber composite baffled artificial wetland system are fulfilled. The basalt fiber filler adopted by the invention is an inorganic green healthy fiber which basically generates no harmful substances in the preparation process and has no pollution to the environment, and has the advantages of lower production cost, larger specific surface area, better corrosion resistance and chemical stability, stronger environmental adaptability and the like compared with other fiber materials. The invention has the advantages of convenient assembly and disassembly, easy maintenance, good decontamination effect, and economic benefit and environmental protection value.
Drawings
The present invention will be described in detail below with reference to the accompanying drawings. The foregoing and other aspects of the invention will become more apparent and more readily appreciated from the following detailed description, taken in conjunction with the accompanying drawings. In the drawings:
FIG. 1 is a schematic plane structure diagram of a reticular basalt fiber composite baffling constructed wetland system of the invention;
FIG. 2 is a schematic sectional structural view of the reticular basalt fiber composite baffling constructed wetland system of the invention;
fig. 3 is a schematic sectional structure view of a reticular basalt fiber filler base tank of the reticular basalt fiber composite baffling constructed wetland system of the invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings.
Referring to fig. 1-2, the invention provides a reticular basalt fiber composite baffling constructed wetland system, which comprises a tank body 1, a constructed wetland sewage water distribution area 2, an isolation section 3, a conventional filling section 4 and a constructed wetland effluent water collection area 5.
In the embodiment, the pool body 1 with an upward opening is arranged according to wetland scale and specific topography, and the pool body 1 comprises a bottom wall, two long side walls bent and extended from two opposite sides of the bottom wall, and two short side walls bent and extended from two opposite sides of the bottom wall. The pool body is made of PVC materials. The bottom wall comprises an impermeable layer fixed on the inner side of the tank body. The impermeable layer can effectively prevent water from permeating outside the tank body 1.
The outer side of one short side wall of the tank body 1 is provided with the artificial wetland sewage water distribution area 2, the artificial wetland sewage water distribution area 2 contains a water inlet pipe 21, and sewage is discharged into the artificial wetland sewage water distribution area 2 from the water inlet pipe 21. The outer side of the other short side wall of the tank body 1 is provided with the artificial wetland effluent water collecting area 5, the artificial wetland effluent water collecting area 5 comprises a water outlet pipe 51, and water treated by the artificial wetland system flows into the artificial wetland effluent water collecting area 5 and is discharged from the water outlet pipe 51. The artificial wetland sewage distribution area 2 and the artificial wetland effluent water collection area 5 are diagonally arranged in the tank body 1, so that the flowing-in sewage can flow through the tank body 1 for a long distance, and the effect of effectively removing the dirt is achieved.
In this embodiment, the isolation section 3 is disposed parallel to the short sidewalls and abuts against the bottom wall, and the isolation section 3 extends from one of the long sidewalls to the other of the long sidewalls. According to the wetland scale and the sewage treatment effect, the isolation sections 3 are arranged at intervals of a plurality of distances along the axial direction of the tank body 1, and at least two isolation sections 3 are arranged in parallel along the axial direction in the tank body 1. The isolation section 3 comprises a partition plate 31 and a reticular basalt fiber filler base groove 32 which extends from the partition plate 31 and has the same thickness as the partition plate 31. The partition plate 31 is connected with one long side wall of the tank body 1 and connected with the bottom wall. The reticular basalt fiber filler base groove 32 extends from the partition plate 31 to the direction far away from the partition plate 31 and is connected to one long side wall and the bottom wall of the tank body 1. The sewage flowing through the artificial wetland sewage distribution area 2 is blocked by the partition plate 31 and can only flow through the reticular basalt fiber filler basic groove 32.
Two adjacent said isolation sections 3 are in reverse arrangement. If two of the long sidewalls are respectively a first long sidewall and a second long sidewall, two adjacent isolation segments 3 are provided, one of the isolation segments 3 extends from the first long sidewall to the second long sidewall, and the other isolation segment 3 extends from the second long sidewall to the first long sidewall, that is, the two adjacent isolation segments 3 are oppositely arranged in this embodiment. The reverse arrangement can prolong the water flow stroke in the box body 1 with the same volume, so that the sewage can be forced to flow in the tank body 1 in an S-shaped flow state, the reticular basalt fiber composite baffling artificial wetland system 100 is not easy to generate short flow, the sewage retention time is prolonged, and the removal of nutrient substances in the sewage is improved to a certain degree.
In this embodiment, the width of the tank body 1 is the distance between the two long side walls. The length of the partition plate 31 is 50-60% of the width of the tank body 1. The thickness of the partition 31 is 10 cm. The partition board 31 is made of PVC, masonry or concrete. The thickness of the reticular basalt fiber filler base groove 32 is the same as that of the partition plate 31 and is also 10 cm. The length of the reticular basalt fiber filler base tank 32 is 40-50% of the width of the tank body 1. The specific lengths of the partition plate 31 and the reticular basalt fiber filler foundation tank 32 are comprehensively adjusted by the wetland scale, the sewage treatment effect and the actual sewage flow.
The isolation sections 3 are arranged at intervals to divide the tank body 1 into a plurality of conventional filling sections 4 which are independent areas, and the adjacent two conventional filling sections 4 are communicated through the reticular basalt fiber filling basic groove 32. The conventional filling material section 4 comprises a diaphragm tank, conventional filling material filled in the diaphragm tank and plants planted in the diaphragm tank. In the present embodiment, conventional fillers such as gravel, zeolite, volcanic rock, ceramics, etc. can be filled into the conventional filler section 4 according to actual requirements. The conventional fillers in each conventional filler section 4 are preferably the same base material, and the particle size should be uniform so as not to affect the water flow distribution.
In the embodiment, the length-width ratio of the partition pool is 2: 1-1: 1. The bottom surface of the separation pool is of a cross slope structure with the slope of 1-2%, and the cross slope is arranged from high to low along the water flow direction. The arrangement is favorable for the speed of the water flow in the tank body 1 to meet the design requirement of sewage treatment, and the short flow phenomenon is avoided.
Referring to fig. 3, the basalt mesh-shaped fiber filler foundation pit 32 includes a perforated partition 321 for water inlet and outlet, a fixed angle iron 322, a solid net frame structure 323, basalt mesh-shaped fiber filler 324, and a hanging ring 325.
In this embodiment, the water inlet/outlet perforated partition 321 is vertically fixed on the upper end of the bottom wall and extends from the partition 31 to a direction away from the partition 31 to abut against one of the long sidewalls. The water inlet and outlet perforated partition plates 321 comprise two meshed basalt fiber filler base grooves 32 which are arranged in parallel at two ends of the meshed basalt fiber filler base groove along the long axis direction of the tank body 1. The water inlet and outlet perforated partition plate 321 is used for separating the conventional filler in the conventional filler section 4 from entering the reticular basalt fiber filler base tank 32 and allowing water flow to pass through at a proper speed.
Specifically, in order to reduce the flow resistance of the system as much as possible, the aperture ratio of the water inlet and outlet perforated partition 321 is 50% -70%, and the specific numerical value is adjusted according to the actual flow resistance of the system. The diameter of the holes of the water inlet and outlet perforated partition plate 321 is phi 20-40 mm, and the specific numerical value is selected according to the actual particle size of the conventional filler.
The fixed angle steel 322 is fixed at the inner side of the perforated partition 321 close to the bottom wall, and the fixed angle steel 322 is made of stainless steel material or other materials which are not easy to corrode. The solid net rack construction 323 is arranged on the inner side surface of the fixed angle iron 322, and the solid net rack construction 323 is supported and fixed on the fixed angle iron 322. The solid net frame member 323 can be vertically inserted from the upper end of the basalt fiber mesh-filled gutter 32, and the fixed angle iron 322 supports the solid net frame member 323, so that the solid net frame member 323 is perpendicular to the bottom wall and fixed to the upper surface of the fixed angle iron 322.
The reticular basalt fiber filler 324 is fixed inside the solid net rack construction 323, the reticular basalt fiber filler 324 is perpendicular to the bottom wall, comprises at least two layers and is arranged in parallel along the axial direction of the tank body 1. In the present embodiment, the basalt mesh fiber filler 324 has a 2 to 3-ply structure. The structure has the advantages that the reticular basalt fiber filler 324 is more beneficial to the aggregation, growth and reproduction of microorganisms, so that the concentration of the microorganisms in the reticular basalt fiber filler basal groove 32 is increased, and the efficiency of biochemical reaction is greatly improved; meanwhile, the 2-3 layers of the reticular basalt fiber filler 324 have larger contact area with sewage and more sufficient contact time, and are beneficial to better playing the sewage purification effect of the basalt fiber.
The circular hanging ring 325 is fixed to the top end of the solid net frame construction 323. When the biofilm attached to the surface of the reticular basalt fiber packing 324 is aged and falls off, an operator may lift the solid net rack construction 323 by means of the hanging rings 325. The mesh basalt fiber filler 324 can be replaced or cleaned more easily, and the phenomenon that the aged biological membrane falls off and is accumulated excessively is effectively prevented. The net basalt fiber filler 324 is recycled, so that the net basalt fiber composite baffled constructed wetland system 100 has a continuously significant effect of removing nutrients such as organic matters.
The reticular basalt fiber filler base tank 32 is arranged at the turning part of the water flow of the tank body 1, so that the sewage which is not easy to generate short flow phenomenon originally contacts with the reticular basalt fiber filler 324 more fully, and finally, the removal efficiency of the reticular basalt fiber composite baffled constructed wetland system 100 on nutrient substances is greatly enhanced, and the effluent quality is improved.
Compared with the prior art, the reticular basalt fiber composite baffling constructed wetland system is not easy to generate short flow, prolongs the retention time of sewage, and improves the removal of nutrient substances in the sewage to a certain degree. And because each bottom surface of the separation pool is provided with a cross slope with the slope of 1-2%, the short flow phenomenon is further avoided. When sewage passes through each filling section and the reticular basalt fiber filling foundation tank, organic pollutants, nitrogen, phosphorus and other nutrient substances are removed under the combined action of adsorption, microbial degradation and plant absorption of the conventional filling and the reticular basalt fiber filling. Particularly, when sewage passes through the reticular basalt fiber filler foundation tank at the turning part of water flow, on one hand, as the reticular basalt fiber filler is adopted, compared with other types of fibers, the reticular basalt fiber filler is more beneficial to the aggregation, growth and reproduction of microorganisms, so that the concentration of the microorganisms in the reticular basalt fiber filler foundation tank is increased, and the efficiency of biochemical reaction is greatly improved; meanwhile, the fiber filler has a larger specific surface area, and the plurality of layers of the reticular basalt fiber filler also enable the fiber to have a larger contact area with sewage, so that the contact time is more sufficient, and the sewage purification effect of the basalt fiber can be better exerted. On the other hand, as the reticular basalt fiber filler base groove is arranged at the water flow turning part of the reticular basalt fiber composite baffling artificial wetland system, the sewage which is not easy to generate short flow phenomenon originally is more fully contacted with the reticular basalt fiber filler base groove, finally, the removal efficiency of the nutrient substances of the reticular basalt fiber composite baffling artificial wetland system is greatly enhanced, and the effluent water quality is improved. When the biological film attached to the surface of the reticular basalt fiber filler is aged and falls off, the solid net rack can be periodically taken out, the basal trough of the reticular basalt fiber filler is cleaned, and the reticular basalt fiber filler is replaced or cleaned, so that the aims of recycling the reticular basalt fiber filler and continuously and obviously removing the nutrient substances such as organic matters from the reticular basalt fiber composite baffled artificial wetland system are fulfilled. The basalt fiber filler adopted by the invention is an inorganic green healthy fiber which basically generates no harmful substances in the preparation process and has no pollution to the environment, and has the advantages of lower production cost, larger specific surface area, better corrosion resistance and chemical stability, stronger environmental adaptability and the like compared with other fiber materials. The invention has the advantages of convenient assembly and disassembly, easy maintenance, good decontamination effect, and economic benefit and environmental protection value.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. A reticular basalt fiber composite baffling constructed wetland system comprises a tank body with an upward opening, an constructed wetland sewage distribution area and an constructed wetland effluent water collection area which are respectively arranged at two opposite sides of the tank body and are mutually communicated, and at least two isolation sections arranged in the tank body, the isolation sections are arranged at intervals to divide the tank body into a plurality of conventional filling sections which are independent areas, it is characterized in that the pool body comprises a bottom wall, two long side walls which are bent and extended from two opposite sides of the bottom wall and two short side walls which are bent and extended from the other two opposite sides of the bottom wall, the artificial wetland sewage distribution area and the artificial wetland effluent water collection area are respectively positioned at the outer sides of the two short side walls, the isolation section is arranged in parallel to the short side walls and abuts against the bottom wall, and the isolation section extends from one of the long side walls to the other long side wall; the isolation sections comprise partition plates and meshed basalt fiber filler foundation grooves which extend from the partition plates and are the same as the partition plates in thickness, and two adjacent isolation sections are arranged in a reverse direction; the two adjacent conventional filler sections are communicated through the reticular basalt fiber filler foundation groove;
the reticular basalt fiber filler foundation tank comprises a netlike water inlet and outlet perforated partition board, fixed angle steel, a solid net rack construction, a flaky reticular basalt fiber filler and a circular hanging ring, the water inlet and outlet perforated partition board is vertically and fixedly arranged at the upper end of the bottom wall and extends and abuts against one long side wall from the partition board to the direction far away from the partition board, the water inlet and outlet perforated partition board comprises two meshed basalt fiber filler foundation tanks which are arranged at two ends of the reticular basalt fiber filler foundation tank along the long axis direction of the tank body in parallel, the fixed angle steel is fixed at the inner side of the water inlet and outlet perforated partition board close to the bottom wall direction, the solid net rack is arranged on the inner side surface of the fixed angle steel, the solid net rack construction support is fixed on the fixed angle steel, the reticular basalt fiber filler is fixed in the solid net rack construction, and the reticular basalt fiber filler is arranged vertical to the bottom wall, the device comprises at least two layers which are arranged in parallel along the axial direction of the tank body, and the hanging ring is fixed at the top end of the solid net rack.
2. The reticular basalt fiber composite baffled constructed wetland system according to claim 1, wherein the bottom wall comprises an impermeable layer fixed inside the tank body.
3. The reticular basalt fiber composite baffled constructed wetland system according to claim 1, wherein the length of the partition plate is 50-60% of the width of the tank body.
4. The reticular basalt fiber composite baffled constructed wetland system according to claim 1, wherein the thickness of the partition is 10 cm.
5. The reticular basalt fiber composite baffled constructed wetland system according to claim 1, wherein the length of the reticular basalt fiber filler-based tank is set to be 40-50% of the width of the tank body.
6. The reticular basalt fiber composite baffled constructed wetland system according to claim 1, wherein the conventional filler section comprises a diaphragm, conventional fillers filled in the diaphragm and plants planted in the diaphragm.
7. The reticular basalt fiber composite baffled constructed wetland system according to claim 6, wherein the length-width ratio of the separation tank is set to be 2: 1-1: 1.
8. The reticular basalt fiber composite baffled constructed wetland system according to claim 6, wherein the bottom surface of the separation tank is of a cross slope structure with a slope of 1-2%.
9. The reticular basalt fiber composite baffling constructed wetland system according to claim 1, wherein the aperture ratio of the water inlet and outlet perforated partition plate is set to be 50% -70%; the diameter of the hole of the water inlet and outlet perforated partition plate is set to be phi 20-40 mm.
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| CN201810659017.6A CN108862604B (en) | 2018-06-22 | 2018-06-22 | Netted basalt fiber combined type baffling constructed wetland system |
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| CN110217883A (en) * | 2019-07-12 | 2019-09-10 | 福州大学 | A kind of efficient septic tank and its working method of fluidised form modified form |
| CN117964121A (en) * | 2024-04-02 | 2024-05-03 | 中国电建集团华东勘测设计研究院有限公司 | Horizontal and vertical coupling baffling type modularized anti-blocking wetland system |
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| WO2003042115A1 (en) * | 2001-11-14 | 2003-05-22 | Dharma Living Systems, Inc. | Integrated hydroponic and wetland wastewater treatment systems and associated methods |
| AU2003223110A1 (en) * | 2003-03-31 | 2004-10-25 | Council Of Scientific And Industrial Research | System and method for the treatment of wastewater using plants |
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