CN112250192A - Filler capable of greatly enhancing purification efficiency of constructed wetland and wetland bed - Google Patents
Filler capable of greatly enhancing purification efficiency of constructed wetland and wetland bed Download PDFInfo
- Publication number
- CN112250192A CN112250192A CN202011008515.8A CN202011008515A CN112250192A CN 112250192 A CN112250192 A CN 112250192A CN 202011008515 A CN202011008515 A CN 202011008515A CN 112250192 A CN112250192 A CN 112250192A
- Authority
- CN
- China
- Prior art keywords
- ball
- wetland
- water
- filler
- wetland bed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000945 filler Substances 0.000 title claims abstract description 19
- 238000000746 purification Methods 0.000 title claims abstract description 17
- 230000002708 enhancing effect Effects 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910000323 aluminium silicate Inorganic materials 0.000 claims abstract description 6
- 239000004927 clay Substances 0.000 claims abstract description 6
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000002689 soil Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 11
- 238000012856 packing Methods 0.000 claims description 9
- 239000000919 ceramic Substances 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- SXQXMCWCWVCFPC-UHFFFAOYSA-N aluminum;potassium;dioxido(oxo)silane Chemical compound [Al+3].[K+].[O-][Si]([O-])=O.[O-][Si]([O-])=O SXQXMCWCWVCFPC-UHFFFAOYSA-N 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 4
- 125000004122 cyclic group Chemical group 0.000 claims description 4
- 238000009825 accumulation Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 3
- 230000014759 maintenance of location Effects 0.000 claims description 3
- 239000011707 mineral Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 abstract 1
- 229910052796 boron Inorganic materials 0.000 abstract 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 abstract 1
- 239000010865 sewage Substances 0.000 description 11
- 239000002585 base Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 241000238631 Hexapoda Species 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 241000607479 Yersinia pestis Species 0.000 description 3
- ZDVYABSQRRRIOJ-UHFFFAOYSA-N boron;iron Chemical compound [Fe]#B ZDVYABSQRRRIOJ-UHFFFAOYSA-N 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 2
- 241000255925 Diptera Species 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000012767 functional filler Substances 0.000 description 2
- 229910001959 inorganic nitrate Inorganic materials 0.000 description 2
- 229910052816 inorganic phosphate Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000003411 electrode reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Botany (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a filler and a wetland bed capable of greatly enhancing the purification efficiency of an artificial wetland, which are composed of 15-30% of aluminum silicate potassium salt, 20-40% of layered aluminosilicate, 6-12% of boron-containing iron ring silicate and the balance of alkaline clay. The method can be used for improving the water conservancy load and the water outlet quality of the conventional artificial wetland, and can also be used for building the artificial wetland with higher cost performance and soil conservation.
Description
Technical Field
The invention belongs to the technical field of water ecological environment protection, and particularly relates to a filler capable of greatly enhancing the purification efficiency of an artificial wetland and a wetland bed.
Background
Because the artificial wetland can purify various sewage according to local conditions, the artificial wetland has the advantages of no power, low construction, operation and maintenance cost, no need of frequent manual intervention in the management process and the like, is easy to organically combine sewage treatment with ecological environment construction, and becomes a frequently-selected scheme for urban and rural domestic sewage treatment at home and abroad. The artificial wetland is widely and successfully applied in China, east China and other areas except North China and northwest China. However, as a sewage treatment technical system which is designed mainly by experience at present, the artificial wetland technology has prominent short plates: the hydraulic load is low, the occupied area is large, the treatment effect is easy to be attacked by plant diseases and insect pests, the dependence of the treatment effect on environmental climate change is high, and the like, and the method becomes the key point of high attention and active attack for many tradesmen.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the filler and the wetland bed which can greatly enhance the purification efficiency of the artificial wetland, can be used for improving the water conservancy load and the water outlet quality of the conventional artificial wetland, and can also be used for building the artificial wetland with higher cost performance and soil conservation.
The filler capable of greatly strengthening the purification efficiency of artificial wet land consists of potassium aluminosilicate 15-30 wt%, layered aluminosilicate 20-40 wt%, ring silicate 6-12 wt% and alkali clay for the rest.
The granularity of the filler is not less than 300 meshes of various natural ore raw materials.
A wetland bed comprises a water inlet area, a water outlet area, a soil layer, an upper filter layer, a packing layer, a lower filter layer and an impermeable layer which are sequentially arranged between the water inlet area and the water outlet area.
The packing layer is a micro-electrochemical mineral functional ceramsite packing layer.
One side of the water inlet area is provided with a water inlet hole for supplying water to the lower filter layer.
And a water outlet hole for water seepage is formed in the filtering layer on one side of the water outlet area.
The water body is guided by the water baffle plate from bottom to top after entering water from top to fill the whole wetland bed.
The cyclic silicate is ferroboron-containing cyclic silicate.
The accumulation volume in the final enhanced treatment unit of the effluent of the wetland bed is ensured to ensure that the hydraulic retention time of the water body in the unit is not less than 45 minutes.
A preparation method of filler capable of greatly enhancing the purification efficiency of constructed wetlands comprises the following steps: 1) Molding: putting the raw materials into a ball forming machine, arranging a vibration motor on the ball forming machine through a support and a support base, arranging a connecting rod on the vibration motor, arranging a rotating ball at the free end of the connecting rod, uniformly distributing a plurality of conical spines on the ball, pulling up the connecting rod when the ball is not used, wherein the connecting rod is not positioned in a material disc until the ball is enlarged to a ceramic ball green body with the size of 4-6mm, pulling down the connecting rod to ensure that the ball does not contact the material disc when the ball is out of the material disc, driving the ball to vibrate by the operation of the vibration motor, and simultaneously operating the ball forming machine, wherein the green ball in the material disc contacts the; 2) And (3) sintering: heating the ceramic ball green body to 300 ℃ in a kiln at the speed of 50 ℃/hr, then preserving heat for 1hr, heating to above 1300 ℃ at the speed of 180 ℃/hr, preserving heat for 20 minutes, and naturally cooling to room temperature.
Compared with the existing mature various types of artificial wetland purification technologies, the invention can be used for treating high-load sewage, and the removal of tail water belongs to the situation of highly sensitive water, so that the effluent quality is better guaranteed. After the artificial wetland treatment system designed by the functional filler and the wetland bed is adopted, the hydraulic load, the high-load sewage treatment capacity, the plant disease and insect pest resistance, the effluent quality and the recycling safety of the artificial wetland technology can be improved, and compared with the existing common similar artificial wetland, the treatment rate of the total phosphorus in the water body is improved by about 30 percent on average, the treatment rate of the total nitrogen is improved by about 15 percent on average, the floor area is reduced by about one third, and the water quality and the peculiar smell are obviously improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of the structure of the pelletizer in accordance with the present invention.
Detailed Description
The invention will be further described with reference to fig. 1 and the examples.
Example 1: the filler capable of greatly strengthening the purification efficiency of the constructed wetland comprises 15 percent of potassium aluminum silicate, 20 percent of layered aluminosilicate, 6 percent of boron-iron-containing ring silicate and the balance of alkaline clay.
Example 2: the filler capable of greatly strengthening the purification efficiency of the constructed wetland comprises 30 percent of potassium aluminum silicate, 40 percent of layered aluminosilicate, 12 percent of boron-iron-containing ring silicate and the balance of alkaline clay.
Example 3: the filler capable of greatly strengthening the purification efficiency of the constructed wetland comprises 23 percent of potassium aluminum silicate, 30 percent of layered aluminosilicate, 9 percent of boron-iron-containing ring silicate and the balance of alkaline clay.
The granularity of the filler is not less than 300 meshes of various natural ore raw materials.
A preparation method of filler capable of greatly enhancing the purification efficiency of constructed wetlands comprises the following steps: 1) Molding: putting the raw materials into a ball forming machine, arranging a vibration motor on the ball forming machine through a support and a support base, arranging a connecting rod on the vibration motor, arranging a rotating ball at the free end of the connecting rod, uniformly distributing a plurality of conical spines on the ball, pulling up the connecting rod when the ball is not used, wherein the connecting rod is not positioned in a material disc until the ball is enlarged to a ceramic ball green body with the size of 4-6mm, pulling down the connecting rod to ensure that the ball does not contact the material disc when the ball is out of the material disc, driving the ball to vibrate by the operation of the vibration motor, and simultaneously operating the ball forming machine, wherein the green ball in the material disc contacts the; 2) And (3) sintering: heating the ceramic ball green body to 300 ℃ in a kiln at the speed of 50 ℃/hr, then preserving heat for 1hr, heating to above 1300 ℃ at the speed of 180 ℃/hr, preserving heat for 20 minutes, and naturally cooling to room temperature.
The granulator is provided with a support base 17, the support base 17 is provided with an upper base 19 through a spring 16, the upper base 19 is provided with a vibration motor 15, the vibration motor 15 is provided with an electric telescopic rod 14, the connecting rod 13 is hinged to the vibration motor 15, the vibration motor is provided with two symmetrical connecting rods 13, the free end of each connecting rod 13 is provided with a ball body in rotating connection, the upper end of the electric telescopic rod is provided with two hinged pull rods, and the two pull rods 18 are respectively hinged to the corresponding connecting rods. Also can adopt four connecting rods, four connecting rods equipartitions are in 15 week sides of vibrating motor, four spheroids, and it is better that the higher effect of the high efficiency of concave Cao ball becomes, and electric telescopic handle drives the spheroid and rises or descends (adopts umbrella style structure). The ball forming machine of the invention adds the structure on the prior art, and the green ball with the groove is formed, and the external surface area of the green ball is large.
A wetland bed comprises a water inlet area 1 and a water outlet area 2, and a soil layer 3, an upper filter layer 4, a packing layer 5, a lower filter layer 6 and an impermeable layer 7 which are sequentially arranged between the water inlet area 1 and the water outlet area 2.
The packing layer 5 is a micro-electrochemical mineral functional ceramsite packing layer.
One side of the water inlet area is provided with a water inlet hole 9 for supplying water to enter the lower filter layer.
And a water outlet hole 8 for water seepage is formed in the filtering layer on one side of the water outlet area.
After water enters from the top, the water is guided by the water baffle plate 10 to fill the whole wetland bed from bottom to top.
The accumulation volume in the final enhanced treatment unit of the effluent of the wetland bed is ensured to ensure that the hydraulic retention time of the water body in the unit is not less than 45 minutes.
By adopting the raw material formula and the preparation method, the prepared ceramic particles have high efficiency and high preparation speed, the external surface area of the sphere is improved by about 60 percent under the action of the sphere, and the ceramic particles have good porosity and enough surface roughness; the biomass-rich biological oxidation agent has developed internal pores, is microporous, has a rough surface and a large specific surface area, can obtain high biomass, has high biological oxidation capacity, sufficient strength and hardness, and is not easy to break; good chemical stability and strong acid and alkali resistance. The waste is utilized, the environment is protected, and the price is low; the pile-up specific gravity is light, and the cylinder pressure intensity is enough, so that the back washing energy consumption is low, and the head loss is small; meanwhile, the chemical stability is good, the acid and alkali resistance is strong, and the service life is long.
The ceramsite filler is arranged in a box type rural domestic sewage small-sized processor with three units of 15 tons per day for deeply processing tail water of a small-sized artificial wetland in a certain village in Yixing city. The artificial wetland is a surface flow artificial wetland, the pretreatment is anaerobic treatment and drop aerobic treatment, the wetland has single water flow and single matrix, mosquitoes and flies breed in summer and autumn, and the water body has heavy peculiar smell. The tail water flows into the rural domestic sewage small-sized processor from bottom to top through a special pipeline and stays in the rural domestic sewage small-sized processor for about 1 hour. Meanwhile, a series of micro electrochemical reactions including adsorption, electrode reaction, oxidation reduction and the like are carried out between the water body and the functional ceramsite, and non-soluble inorganic phosphate, nitrate and partial gas reactants are generated, so that the water is subjected to chemical and physical purification treatment. The water body reaching the standard after the advanced treatment is discharged from a water outlet to a ditch for storing farmland irrigation water. Inorganic phosphate and nitrate as solid reactants enter a sludge settling bin at the bottom of the reaction tank. The removal rates of ammonia nitrogen, total phosphorus and COD in the effluent respectively reach 91%, 92% and 65%. The peculiar smell removing effect is obvious.
Compared with the existing mature various types of artificial wetland purification technologies, the invention can be used for treating high-load sewage, and the removal of tail water belongs to the situation of highly sensitive water, so that the effluent quality is better guaranteed. After the artificial wetland treatment system designed by the functional filler and the wetland bed is adopted, the hydraulic load, the high-load sewage treatment capacity, the plant disease and insect pest resistance, the effluent quality and the recycling safety of the artificial wetland technology can be improved, and compared with the existing common similar artificial wetland, the treatment rate of the total phosphorus in the water body is improved by about 30 percent on average, the treatment rate of the total nitrogen is improved by about 15 percent on average, the floor area is reduced by about one third, and the water quality and the peculiar smell are obviously improved.
Claims (10)
1. The filler capable of greatly enhancing the purification efficiency of the constructed wetland is characterized in that: consists of potassium aluminosilicate 15-30 wt%, layered aluminosilicate 20-40 wt%, ring silicate 6-12 wt% and alkali clay for the rest.
2. The filler capable of greatly enhancing the purification efficiency of the artificial wetland according to claim 1, wherein the filler is characterized in that: the granularity of the filler is not less than 300 meshes of various natural ore raw materials.
3. A wetland bed, comprising: comprises a water inlet area, a water outlet area, a soil layer, an upper filter layer, a packing layer, a lower filter layer and an impermeable layer which are sequentially arranged between the water inlet area and the water outlet area.
4. The wetbed of claim 3, wherein: the packing layer is a micro-electrochemical mineral functional ceramsite packing layer.
5. The wetland bed of claim 4, wherein: one side of the water inlet area is provided with a water inlet hole for supplying water to the lower filter layer.
6. The wetland bed of claim 5, wherein: and a water outlet hole for water seepage is formed in the filtering layer on one side of the water outlet area.
7. The wetbed of claim 6, wherein: the water body is guided by the water baffle plate from bottom to top after entering water from top to fill the whole wetland bed.
8. The wetland bed of claim 7, wherein: the accumulation volume in the final enhanced treatment unit of the effluent of the wetland bed is ensured to ensure that the hydraulic retention time of the water body in the unit is not less than 45 minutes.
9. The wetland bed of claim 8, wherein: the cyclic silicate is ferroboron-containing cyclic silicate.
10. A preparation method of a filler capable of greatly enhancing the purification efficiency of an artificial wetland is characterized by comprising the following steps: the method comprises the following steps: 1) Molding: putting the raw materials into a ball forming machine until the ball becomes 4-6mm large, pulling down a connecting rod to enable the ball to be out of the material tray and not to be contacted with the material tray, driving the ball to vibrate by the operation of a vibration motor, and simultaneously enabling a ball forming machine to operate, wherein the green ball in the material tray is contacted with the ball to form a green ball with a groove; 2) And (3) sintering: heating the ceramic ball green body to 300 ℃ in a kiln at the speed of 50 ℃/hr, then preserving heat for 1hr, heating to above 1300 ℃ at the speed of 180 ℃/hr, preserving heat for 20 minutes, and naturally cooling to room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011008515.8A CN112250192A (en) | 2020-09-23 | 2020-09-23 | Filler capable of greatly enhancing purification efficiency of constructed wetland and wetland bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011008515.8A CN112250192A (en) | 2020-09-23 | 2020-09-23 | Filler capable of greatly enhancing purification efficiency of constructed wetland and wetland bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112250192A true CN112250192A (en) | 2021-01-22 |
Family
ID=74231909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011008515.8A Pending CN112250192A (en) | 2020-09-23 | 2020-09-23 | Filler capable of greatly enhancing purification efficiency of constructed wetland and wetland bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112250192A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1061207A (en) * | 1991-11-20 | 1992-05-20 | 刘立鄂 | Shaft kiln cement raw material blow molding process and equipment |
| CN1207975A (en) * | 1998-07-03 | 1999-02-17 | 杭州电子工业学院 | Surface pit machining method and equipment |
| CN2465799Y (en) * | 2001-02-23 | 2001-12-19 | 刘世凯 | Large specific surface combined filler |
| JP2008012569A (en) * | 2006-07-06 | 2008-01-24 | Max Co Ltd | Method of making hole on thin steel sheet or the like |
| CN105541020A (en) * | 2015-12-31 | 2016-05-04 | 武汉科技大学 | CDI (Capacitive Deionization) based compound type constructed wetland desalination system |
| CN107470452A (en) * | 2017-08-21 | 2017-12-15 | 上海奥林汽车配件有限公司 | A kind of inner surface of pipe fitting pit processing unit (plant) |
| CN109956558A (en) * | 2017-12-22 | 2019-07-02 | 京蓝北方园林（天津）有限公司 | A kind of film aeration ecology corridor sewage disposal system |
| CN110759553A (en) * | 2019-11-01 | 2020-02-07 | 安徽绿金生态环境科技有限公司 | Method for restoring and treating drainage basin |
| CN210684954U (en) * | 2019-08-07 | 2020-06-05 | 南阳市宣溢环保设备股份有限公司 | Water purification device based on sand filtration |
-
2020
- 2020-09-23 CN CN202011008515.8A patent/CN112250192A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1061207A (en) * | 1991-11-20 | 1992-05-20 | 刘立鄂 | Shaft kiln cement raw material blow molding process and equipment |
| CN1207975A (en) * | 1998-07-03 | 1999-02-17 | 杭州电子工业学院 | Surface pit machining method and equipment |
| CN2465799Y (en) * | 2001-02-23 | 2001-12-19 | 刘世凯 | Large specific surface combined filler |
| JP2008012569A (en) * | 2006-07-06 | 2008-01-24 | Max Co Ltd | Method of making hole on thin steel sheet or the like |
| CN105541020A (en) * | 2015-12-31 | 2016-05-04 | 武汉科技大学 | CDI (Capacitive Deionization) based compound type constructed wetland desalination system |
| CN107470452A (en) * | 2017-08-21 | 2017-12-15 | 上海奥林汽车配件有限公司 | A kind of inner surface of pipe fitting pit processing unit (plant) |
| CN109956558A (en) * | 2017-12-22 | 2019-07-02 | 京蓝北方园林（天津）有限公司 | A kind of film aeration ecology corridor sewage disposal system |
| CN210684954U (en) * | 2019-08-07 | 2020-06-05 | 南阳市宣溢环保设备股份有限公司 | Water purification device based on sand filtration |
| CN110759553A (en) * | 2019-11-01 | 2020-02-07 | 安徽绿金生态环境科技有限公司 | Method for restoring and treating drainage basin |
Non-Patent Citations (1)
| Title |
|---|
| 蒋粤闽等, 东北大学出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102225870B (en) | Attapulgite clay porous ceramsite, and preparation method and purpose thereof | |
| CN105384464B (en) | A kind of preparation method and device of bottom photocatalysis Porous permeable bricks | |
| CN103880193B (en) | Build the method for vertical current constructed wetland processing breeding wastewater based on waterworks sludge | |
| CN103073108A (en) | Moving bed type purification tank | |
| CN101172822A (en) | Multi-medium stephanoporate water quality purifying permeable material | |
| CN204874004U (en) | Built -in combined packing hangs membrane module | |
| CN101863646A (en) | Filler special for artificial wetland and preparation method thereof | |
| CN106630131B (en) | A kind of preparation method of modified attapulgite soil particle and the method for accelerating anaerobic granulation using it | |
| CN109231469A (en) | A kind of solar energy water body restoration of the ecosystem floating bed system | |
| CN106045231A (en) | Building garbage aggregate sewage treatment system | |
| CN103466888B (en) | Device for physico-chemical-biochemical combined treatment of old-aged landfill leachate | |
| CN112250192A (en) | Filler capable of greatly enhancing purification efficiency of constructed wetland and wetland bed | |
| CN202089866U (en) | Composite ecological bed for earthworms | |
| CN102515361A (en) | Detachable inorganic material ecological floating bed device | |
| CN112316892B (en) | Preparation method and application of modified sepiolite | |
| Bao et al. | Performance and characterization of a non-sintered zeolite porous filter for the simultaneous removal of nitrogen and phosphorus in a biological aerated filter (BAF) | |
| CN211226526U (en) | Modified carbon fiber filler sewage treatment plant | |
| CN112830541A (en) | Method for continuously removing phosphorus for long time by using multifunctional long-acting composite filler | |
| CN105289067A (en) | Modified rice hull ash pre-coated film device used for treating rural high ammonia-nitrogen water source water, and method used for treating rural high ammonia-nitrogen water source water using modified rice hull ash pre-coated film device | |
| CN105502636A (en) | Method for treating rural domestic sewage by using waste foamed concrete | |
| CN217127209U (en) | Fluidized bed suspension filler for water supply treatment | |
| CN100431981C (en) | Technology and special equipment for preparing regenerated water using sewage | |
| CN205398222U (en) | Anaerobism recombination reaction ware | |
| CN104058781A (en) | Sewage treatment biological filter material based on low-voltage electric porcelain waste and preparation method thereof | |
| CN109264852A (en) | A kind of preparation process of the high-efficiency environment friendly oxygen release agent for creek in-situ immobilization |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210122 |
|
| RJ01 | Rejection of invention patent application after publication |