CN204097201U - Graded formula mixes a layer modular construction for strengthened artificial wet land system - Google Patents
Graded formula mixes a layer modular construction for strengthened artificial wet land system Download PDFInfo
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- CN204097201U CN204097201U CN201420351894.4U CN201420351894U CN204097201U CN 204097201 U CN204097201 U CN 204097201U CN 201420351894 U CN201420351894 U CN 201420351894U CN 204097201 U CN204097201 U CN 204097201U
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Abstract
The utility model discloses a kind of graded formula and mix a layer modular construction for strengthened artificial wet land system, belong to technical field of water body purification, it comprises flat slope upstream treating pond and flat slope downstream treating pond, flat slope upstream packing layer and flat slope downstream packing layer is filled with respectively in the inside of described flat slope upstream treating pond and flat slope downstream treating pond, cut off by flat slope deflected current wall between described flat slope upstream treating pond and flat slope downstream treating pond, at described flat slope upstream treating pond, the side of described flat slope deflected current wall is provided with flat slope water distributor, have away from the arranged outside of the side pool wall of described flat slope deflected current wall the flat slope wet well be communicated with described flat slope downstream treating pond at described flat slope downstream treating pond, described flat slope wet well place is provided with flat slope rising pipe.The utility model is the strengthened artificial wet land new texture that a kind of graded formula mixes laminar flow regime, its structure is simply firm, and the filler that runs steady in a long-term does not block, efficient cut-off filter, settling sharp separation, ensures porosity and the little treatment effect reaching stability and high efficiency of permeability coefficient fluctuation of system.
Description
Technical field
The utility model belongs to technical field of water body purification, specifically, relates to a kind of structure of artificial swamp.
Background technology
Artificial swamp is built and ground that the rain swampland of controlling run is similar by artificial, dosing sewage, mud effectively controlled is on the artificial wetland built, sewage and mud are in the process flowed in a certain direction, mainly utilize soil, artificial dielectric, plant, the physics of microorganism, chemistry, biological triple synergy, to a kind of technology that sewage, mud process.Its mechanism of action comprises absorption, delay, filtration, redox, precipitation, microbial decomposition, conversion, plant are covered, the effect of residue accumulated, water transpiration and nutrition absorption and all kinds of animal.
Conventional artificial swamp, often lays soil above, but with weed seed, can be easy to grow weeds, form competitive relation, be unfavorable for the growth of plant with the plant of artificial growth in soil; And the particle of soil is less, is easily taken away by liquid, through the hole of each layer, finally arrive water outlet pipe part, blocking water pipe; The sewage also passed in oriented artificial swamp, the various chemical element content of mud are more, easily cause the crumb structure of soil to be destroyed, cause the water conservation of soil, fertilizer-preserving ability and permeability to reduce, cause soil compaction, be unfavorable for plant-growth, affect the effect of Constructed Wetland For Purifying water body.And if be full gravel or rubble, the suitable needs of the size of top layer plant growing layer and the Thickness Ratio of each layer are studied further, not only will be conducive to plant-growth, but also will ensure that gravel can not meticulous blocking water pipe.
Prior art shortcoming; Soil is easily brought into rising pipe, blocking water pipe; Soil easily hardens; And easily bring weed seed in soil, grow weeds; The artificial swamp of gravel or metalling entirely, improper to the control of the top layer plantation size of layer and the Thickness Ratio of each layer, affect purification filtering effect.
Find in operational process, it is that texture improvement solved that above subproblem is provided by patent 201320595537.8, but still thorough not, and the frame mode that above problem is provided by patent 201210358136.0 again runs, discovery effect is unsatisfactory, and complex structure.
And occur that new problem is as follows:
The solid substance that filler retains for a long time cannot be got rid of; The biofilm biomass of each interlayer of permanent operation increases, and causes second layer filler hole blocked especially; Long-time running first and second layer of filler is tending towards hardening; The front end perviousness that monomer structure to cause oversize working time long afterwards weakens unfavorable water distribution or end perviousness and weakens and occur that Yong Shui water outlet SS raises.
As shown in Figure 5, artificial swamp is at the operation initial stage, as long as packing medium is even, permeability coefficient is spatially uniform, but along with operating and being tending towards ripe, due to the growth of microbial film and root system of plant, sedimental accumulation and silting etc. near import, spatially portion is even may to cause permeability coefficient, designs other conditions and determines with a value.
Visible, as a>0, upper thread declines terribly at entrance end, and feed-water end silting is described, SS is higher in water inlet; As a<0, upper thread then declines severe at exit end, and water side silting is described, run the SS row produced and do not go out silting in the middle of filler, this is all very unfavorable.
Utility model content
The purpose of this utility model is to provide a kind of simple artificial swamp structure that can extend filler work-ing life, improve outlet effect, prevent filler from blocking.
Graded formula provided by the utility model is mixed a layer structure for strengthened artificial wet land system and is improved on Traditional Man wetland structure, sets up deflected current wall and settling separation system; Baffling and settling separation system installation site is changed according to flat slope and abrupt slope.Its structure is simply firm, and the filler that runs steady in a long-term does not block, efficient cut-off filter, settling sharp separation, ensures porosity and the little treatment effect reaching stability and high efficiency of permeability coefficient fluctuation of system.Adopt said structure, while ensureing the cut-off filter effect of original packing layer and plant absorption effect, the microbial film come off and cut-off filter particulate matter are discharged, ensure perviousness and the porosity of filler, reach the effect of long-term Effec-tive Function.
A kind of graded formula of flat slope landform mixes a layer modular construction for strengthened artificial wet land system, comprise flat slope upstream treating pond and flat slope downstream treating pond, flat slope upstream packing layer and flat slope downstream packing layer is filled with respectively in the inside of described flat slope upstream treating pond and flat slope downstream treating pond, cut off by flat slope deflected current wall between described flat slope upstream treating pond and flat slope downstream treating pond, the side away from described flat slope deflected current wall of described flat slope upstream treating pond is provided with flat slope water distributor, the flat slope wet well be communicated with described flat slope downstream treating pond is had in the arranged outside of the pool wall of the side away from described flat slope deflected current wall of described flat slope downstream treating pond, described flat slope wet well place is provided with flat slope rising pipe.
Flat slope upstream sludge hopper is provided with in the inside of described flat slope upstream treating pond and near the bottom of one end of described flat slope deflected current wall, between described flat slope upstream sludge hopper and described flat slope upstream packing layer, be provided with flat slope upstream filter screen, the bottom of described flat slope upstream sludge hopper is provided with flat slope upstream shore pipe.Connect hydrostatic head outside shore pipe and carry out spoil disposal.
Flat slope downstream sludge hopper is provided with in the inside of described flat slope downstream treating pond and away from the bottom of one end of described flat slope deflected current wall, between described flat slope downstream sludge hopper and described flat slope downstream packing layer, be provided with flat slope downstream filter screen, the bottom of described flat slope downstream sludge hopper is provided with flat slope downstream shore pipe.Connect hydrostatic head outside shore pipe and carry out spoil disposal.
Space between described flat slope downstream filter screen and described flat slope downstream sludge hopper is communicated with described flat slope wet well.
Preferably, described flat slope upstream packing layer and described flat slope downstream packing layer are formed by the coarse crushing rock layers of the gravel bed of top layer, the medium stone layer in middle level and lower floor, and the Thickness Ratio of described gravel bed, medium stone layer and coarse crushing rock layers is 2:3:3.
A kind of steep gradient topographic graded formula mixes a layer modular construction for strengthened artificial wet land system, comprise upstream, abrupt slope treating pond, middle reaches, abrupt slope treating pond and downstream, abrupt slope treating pond, at upstream, described abrupt slope treating pond, the inside of middle reaches, abrupt slope treating pond and downstream, abrupt slope treating pond is filled with upstream, abrupt slope packing layer respectively, middle reaches, abrupt slope packing layer and downstream, abrupt slope packing layer, upstream, abrupt slope deflected current wall is provided with between described abrupt slope upstream treating pond and middle reaches, described abrupt slope treating pond, downstream, abrupt slope deflected current wall is provided with between described abrupt slope middle reaches treating pond and downstream, described abrupt slope treating pond, side in the treating pond of upstream, described abrupt slope is provided with abrupt slope water distributor, the side away from downstream, described abrupt slope deflected current wall in the treating pond of downstream, described abrupt slope is provided with abrupt slope rising pipe.
Deflected current wall one end, upstream, described abrupt slope is connected with the pool wall for the treatment of pond side, upstream, described abrupt slope, be provided with upstream, abrupt slope deflected current wall opening between the pool wall of the other end and upstream, described abrupt slope treating pond opposite side, upstream, described abrupt slope deflected current wall opening is positioned at relative both sides with described abrupt slope water distributor.
Deflected current wall one end, downstream, described abrupt slope is connected with the pool wall for the treatment of pond side, downstream, described abrupt slope, be provided with downstream, abrupt slope deflected current wall opening between the pool wall of the other end and downstream, described abrupt slope treating pond opposite side, downstream, described abrupt slope deflected current wall opening is positioned at relative both sides with upstream, described abrupt slope deflected current wall opening.
Upstream, described abrupt slope deflected current wall opening part is provided with upstream, two-layer abrupt slope filter screen at an angle to each other, the bottom in the space that described abrupt slope upstream filter screen and pool wall are encircled into is provided with upstream, abrupt slope sludge hopper, the bottom of upstream, described abrupt slope sludge hopper is provided with upstream, abrupt slope shore pipe.Connect hydrostatic head outside shore pipe and carry out spoil disposal.
Downstream, described abrupt slope deflected current wall opening part is provided with downstream, two-layer abrupt slope filter screen at an angle to each other, the bottom in the space that described abrupt slope downstream filter screen and pool wall are encircled into is provided with downstream, abrupt slope sludge hopper, the bottom of downstream, described abrupt slope sludge hopper is provided with downstream, abrupt slope shore pipe.Connect hydrostatic head outside shore pipe and carry out spoil disposal.
Preferably, upstream, described abrupt slope packing layer, middle reaches, abrupt slope packing layer and downstream, abrupt slope packing layer are formed by the coarse crushing rock layers of the gravel bed of top layer, the medium stone layer in middle level and lower floor, and the Thickness Ratio of described gravel bed, medium stone layer and coarse crushing rock layers is 2:3:3.
The graded formula that the utility model provides mixes a layer modular construction for strengthened artificial wet land system, advection, undercurrent or the combined-flow of purifying waste water needed for method for artificial swamp comprehensive treating process structural condition is provided.Constitutional features is to utilize current preferentially to the feature of the little spatial flow of resistance, installs graticule mesh, structurally sets up sludge hopper and arrange that shore pipe realizes settling separation function, by hydrostatic head spoil disposal at drowned flow artificial wet land baffling position.And structural unit can series, parallel mode operation.
One end of artificial swamp based on structural unit provided by the utility model at least arranges a water distributor, effluent stream realizes purification through Performance of Constructed Wetlands Substrates matrix and vegetation zone, the every modular construction of wetland at least arranges a settling isolating construction, and modular construction size can calculate according to influent quality to be determined.Its settling isolating construction comprises, deflected current wall, graticule mesh, sludge hopper, shore pipe, is arranged on Flow in Wetland direction end.Settling is separated main eliminating filler cut-off filter particle and the microbial film that comes off, and prevents filler from blocking.Need to intake according to artificial swamp the correlation parameters such as index calculate determination seepage coefficient and deflected current wall spacing such as SS.Seepage coefficient and deflected current wall spacing determine sludge hopper, shore pipe size after determining again, finally according to the moving calculation determination spoil disposal frequency.According to the filler degree of depth and packing material size size determination Grid size; According to advection, undercurrent or combined-flow determination artificial swamp unit strings, parallel form.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram that the graded formula of flat slope landform provided by the utility model mixes layer modular construction of strengthened artificial wet land system.
Fig. 2 is the plan structure schematic diagram that steep gradient topographic graded formula provided by the utility model mixes layer modular construction of strengthened artificial wet land system.
Fig. 3 is the A-A sectional view that steep gradient topographic graded formula provided by the utility model mixes layer deflected current wall of strengthened artificial wet land system.
Fig. 4 is the B-B sectional view that steep gradient topographic graded formula provided by the utility model mixes layer deflected current wall of strengthened artificial wet land system.
Fig. 5 is the change curve of the uneven impact on flow profile of permeability coefficient.
In accompanying drawing 1,2,3,4, the list of parts representated by each label is as follows:
1, the graded formula of flat slope landform mixes a layer modular construction for strengthened artificial wet land system, 2, flat slope upstream treating pond, 3, flat slope downstream treating pond, 4, flat slope upstream packing layer, 5, flat slope downstream packing layer, 6, flat slope deflected current wall, 7, flat slope water distributor, 8, flat slope wet well, 9, flat slope rising pipe, 10, flat slope upstream sludge hopper, 11, flat slope upstream filter screen, 12, flat slope downstream sludge hopper, 13, flat slope downstream filter screen, 14, flat slope upstream shore pipe, 15, flat slope downstream shore pipe, 21, steep gradient topographic graded formula mixes a layer modular construction for strengthened artificial wet land system, and 22, upstream, abrupt slope treating pond, 23, middle reaches, abrupt slope treating pond, 24, downstream, abrupt slope treating pond, 25, upstream, abrupt slope deflected current wall, 26, downstream, abrupt slope deflected current wall, 27, abrupt slope water distributor, 28, abrupt slope rising pipe, 29, upstream, abrupt slope deflected current wall opening, 30, downstream, abrupt slope deflected current wall opening, 31, upstream, two-layer abrupt slope filter screen at an angle to each other, 32, upstream, abrupt slope sludge hopper, 33, downstream, two-layer abrupt slope filter screen at an angle to each other, 34, downstream, abrupt slope sludge hopper, 35, upstream, abrupt slope shore pipe, 36, downstream, abrupt slope shore pipe.
Embodiment
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, illustrated embodiment, only for explaining the utility model, is not intended to limit scope of the present utility model.
In a concrete embodiment, as shown in Figure 1, a kind of graded formula of flat slope landform mixes a layer modular construction for strengthened artificial wet land system 1, comprises flat slope upstream treating pond 2 and flat slope downstream treating pond 3.Flat slope upstream packing layer 4 and flat slope downstream packing layer 5 is filled with respectively in the inside of described flat slope upstream treating pond and flat slope downstream treating pond.The suitable filling-material structure that described flat slope upstream packing layer and described flat slope downstream packing layer can select prior art to carry, packing layer is made up of the coarse crushing rock layers of the gravel bed of top layer, the medium stone layer in middle level and lower floor, and the Thickness Ratio of described gravel bed, medium stone layer and coarse crushing rock layers is 2:3:3.
Cut off by flat slope deflected current wall 6 between described flat slope upstream treating pond and flat slope downstream treating pond.The side away from described flat slope deflected current wall of described flat slope upstream treating pond is provided with flat slope water distributor 7.When the water level of flat slope upstream treating pond is higher, current walk around flat slope deflected current wall, enter into flat slope downstream treating pond.
There is the flat slope wet well 8 be communicated with described flat slope downstream treating pond in the arranged outside of the pool wall of the side away from described flat slope deflected current wall of described flat slope downstream treating pond, described flat slope wet well place is provided with flat slope rising pipe 9.
Flat slope upstream sludge hopper 10 is provided with in the inside of described flat slope upstream treating pond and near the bottom of one end of described flat slope deflected current wall, between described flat slope upstream sludge hopper and described flat slope upstream packing layer, be provided with flat slope upstream filter screen 11, the bottom of described flat slope upstream sludge hopper is provided with flat slope upstream shore pipe 14.Flat slope downstream sludge hopper 12 is provided with in the inside of described flat slope downstream treating pond and away from the bottom of one end of described flat slope deflected current wall, between described flat slope downstream sludge hopper and described flat slope downstream packing layer, be provided with flat slope downstream filter screen 13, the bottom of described flat slope downstream sludge hopper is provided with flat slope downstream shore pipe 15.
Space between described flat slope downstream filter screen and described flat slope downstream sludge hopper is communicated with described flat slope wet well.
As shown in Figure 2, a kind of steep gradient topographic graded formula mixes a layer modular construction for strengthened artificial wet land system 21, comprises upstream, abrupt slope treating pond 22, middle reaches, abrupt slope treating pond 23 and downstream, abrupt slope treating pond 24.Upstream, abrupt slope packing layer, middle reaches, abrupt slope packing layer and downstream, abrupt slope packing layer is filled with respectively in the inside of upstream, described abrupt slope treating pond, middle reaches, abrupt slope treating pond and downstream, abrupt slope treating pond.The suitable filling-material structure that upstream, described abrupt slope packing layer, middle reaches, abrupt slope packing layer and downstream, abrupt slope packing layer can select prior art to carry, packing layer is made up of the coarse crushing rock layers of the gravel bed of top layer, the medium stone layer in middle level and lower floor, and the Thickness Ratio of described gravel bed, medium stone layer and coarse crushing rock layers is 2:3:3.
Upstream, abrupt slope deflected current wall 25 is provided with between described abrupt slope upstream treating pond and middle reaches, described abrupt slope treating pond, downstream, abrupt slope deflected current wall 26 is provided with between described abrupt slope middle reaches treating pond and downstream, described abrupt slope treating pond, side in the treating pond of upstream, described abrupt slope is provided with abrupt slope water distributor 27, and the side away from downstream, described abrupt slope deflected current wall in the treating pond of downstream, described abrupt slope is provided with abrupt slope rising pipe 28.
Deflected current wall one end, upstream, described abrupt slope is connected with the pool wall for the treatment of pond side, upstream, described abrupt slope, be provided with upstream, abrupt slope deflected current wall opening 29 between the pool wall of the other end and upstream, described abrupt slope treating pond opposite side, upstream, described abrupt slope deflected current wall opening is positioned at relative both sides with described abrupt slope water distributor.
Deflected current wall one end, downstream, described abrupt slope is connected with the pool wall for the treatment of pond side, downstream, described abrupt slope, be provided with downstream, abrupt slope deflected current wall opening 30 between the pool wall of the other end and downstream, described abrupt slope treating pond opposite side, downstream, described abrupt slope deflected current wall opening is positioned at relative both sides with upstream, described abrupt slope deflected current wall opening.
Upstream, described abrupt slope deflected current wall opening part is provided with upstream, two-layer abrupt slope filter screen 31 at an angle to each other.As shown in Figure 3, the bottom in the space that described abrupt slope upstream filter screen and pool wall are encircled into is provided with upstream, abrupt slope sludge hopper 32, the bottom of upstream, described abrupt slope sludge hopper is provided with upstream, abrupt slope shore pipe 35.
Downstream, described abrupt slope deflected current wall opening part is provided with downstream, two-layer abrupt slope filter screen 33 at an angle to each other.As shown in Figure 4, the bottom in the space that described abrupt slope downstream filter screen and pool wall are encircled into is provided with downstream, abrupt slope sludge hopper 34, the bottom of downstream, described abrupt slope sludge hopper is provided with downstream, abrupt slope shore pipe 36.
The water that water distributor flows into, arriving in the process of downstream, abrupt slope treating pond from upstream, abrupt slope treating pond, with the bending path of S shape through upstream deflected current wall opening and downstream deflected current wall opening, extends the path of flowing water, enhances decontamination effect improving.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. the graded formula of a flat slope landform mixes a layer modular construction for strengthened artificial wet land system, comprise flat slope upstream treating pond and flat slope downstream treating pond, flat slope upstream packing layer and flat slope downstream packing layer is filled with respectively in the inside of described flat slope upstream treating pond and flat slope downstream treating pond, cut off by flat slope deflected current wall between described flat slope upstream treating pond and flat slope downstream treating pond, at described flat slope upstream treating pond, the side of described flat slope deflected current wall is provided with flat slope water distributor, have away from the arranged outside of the side pool wall of described flat slope deflected current wall the flat slope wet well be communicated with described flat slope downstream treating pond at described flat slope downstream treating pond, described flat slope wet well place is provided with flat slope rising pipe, it is characterized in that:
Flat slope upstream sludge hopper is provided with in the inside of described flat slope upstream treating pond and near the bottom of one end of described flat slope deflected current wall, between described flat slope upstream sludge hopper and described flat slope upstream packing layer, be provided with flat slope upstream filter screen, the bottom of described flat slope upstream sludge hopper is provided with flat slope upstream shore pipe;
Flat slope downstream sludge hopper is provided with in the inside of described flat slope downstream treating pond and away from the bottom of one end of described flat slope deflected current wall, between described flat slope downstream sludge hopper and described flat slope downstream packing layer, be provided with flat slope downstream filter screen, the bottom of described flat slope downstream sludge hopper is provided with flat slope downstream shore pipe;
Space between described flat slope downstream filter screen and described flat slope downstream sludge hopper is communicated with described flat slope wet well.
2. the graded formula of flat slope landform according to claim 1 mixes a layer modular construction for strengthened artificial wet land system, it is characterized in that: described flat slope upstream packing layer and described flat slope downstream packing layer are formed by the coarse crushing rock layers of the gravel bed of top layer, the medium stone layer in middle level and lower floor, and the Thickness Ratio of described gravel bed, medium stone layer and coarse crushing rock layers is 2:3:3.
3. a steep gradient topographic graded formula mixes a layer modular construction for strengthened artificial wet land system, comprise upstream, abrupt slope treating pond, middle reaches, abrupt slope treating pond and downstream, abrupt slope treating pond, at upstream, described abrupt slope treating pond, the inside of middle reaches, abrupt slope treating pond and downstream, abrupt slope treating pond is filled with upstream, abrupt slope packing layer respectively, middle reaches, abrupt slope packing layer and downstream, abrupt slope packing layer, upstream, abrupt slope deflected current wall is provided with between described abrupt slope upstream treating pond and middle reaches, described abrupt slope treating pond, downstream, abrupt slope deflected current wall is provided with between described abrupt slope middle reaches treating pond and downstream, described abrupt slope treating pond, side in the treating pond of upstream, described abrupt slope is provided with abrupt slope water distributor, the side away from downstream, described abrupt slope deflected current wall in the treating pond of downstream, described abrupt slope is provided with abrupt slope rising pipe, it is characterized in that:
Deflected current wall one end, upstream, described abrupt slope is connected with the pool wall for the treatment of pond side, upstream, described abrupt slope, be provided with upstream, abrupt slope deflected current wall opening between the pool wall of the other end and upstream, described abrupt slope treating pond opposite side, upstream, described abrupt slope deflected current wall opening is positioned at relative both sides with described abrupt slope water distributor;
Deflected current wall one end, downstream, described abrupt slope is connected with the pool wall for the treatment of pond side, downstream, described abrupt slope, be provided with downstream, abrupt slope deflected current wall opening between the pool wall of the other end and downstream, described abrupt slope treating pond opposite side, downstream, described abrupt slope deflected current wall opening is positioned at relative both sides with upstream, described abrupt slope deflected current wall opening;
Upstream, described abrupt slope deflected current wall opening part is provided with upstream, two-layer abrupt slope filter screen at an angle to each other, the bottom in the space that described abrupt slope upstream filter screen and pool wall are encircled into is provided with upstream, abrupt slope sludge hopper, the bottom of upstream, described abrupt slope sludge hopper is provided with upstream, abrupt slope shore pipe, downstream, described abrupt slope deflected current wall opening part is provided with downstream, two-layer abrupt slope filter screen at an angle to each other, the bottom in the space that described abrupt slope downstream filter screen and pool wall are encircled into is provided with downstream, abrupt slope sludge hopper, the bottom of downstream, described abrupt slope sludge hopper is provided with downstream, abrupt slope shore pipe.
4. steep gradient topographic graded formula according to claim 3 mixes a layer modular construction for strengthened artificial wet land system, it is characterized in that: upstream, described abrupt slope packing layer, middle reaches, abrupt slope packing layer and downstream, abrupt slope packing layer are formed by the coarse crushing rock layers of the gravel bed of top layer, the medium stone layer in middle level and lower floor, and the Thickness Ratio of described gravel bed, medium stone layer and coarse crushing rock layers is 2:3:3.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107662979A (en) * | 2017-10-30 | 2018-02-06 | 郑州大学 | A kind of practical spoil disposal and anticlogging horizontal plug-flow artificial wet land system |
| CN109292988A (en) * | 2018-10-23 | 2019-02-01 | 山东省环科院环境工程有限公司 | A kind of drowned flow artificial wet land and its operation method that anti-clogging emptying is constructed |
-
2014
- 2014-06-26 CN CN201420351894.4U patent/CN204097201U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107662979A (en) * | 2017-10-30 | 2018-02-06 | 郑州大学 | A kind of practical spoil disposal and anticlogging horizontal plug-flow artificial wet land system |
| CN109292988A (en) * | 2018-10-23 | 2019-02-01 | 山东省环科院环境工程有限公司 | A kind of drowned flow artificial wet land and its operation method that anti-clogging emptying is constructed |
| CN109292988B (en) * | 2018-10-23 | 2024-01-02 | 山东省环科院环境工程有限公司 | Anti-blocking emptying constructed subsurface constructed wetland and operation method thereof |
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Granted publication date: 20150114 Termination date: 20170626 |
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