CN209872515U - Integrated continuous denitrification filter equipment - Google Patents
Integrated continuous denitrification filter equipment Download PDFInfo
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- CN209872515U CN209872515U CN201822211019.7U CN201822211019U CN209872515U CN 209872515 U CN209872515 U CN 209872515U CN 201822211019 U CN201822211019 U CN 201822211019U CN 209872515 U CN209872515 U CN 209872515U
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- Prior art keywords
- denitrification
- water
- backwashing
- inlet pipeline
- nitrification
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 109
- 238000011001 backwashing Methods 0.000 claims abstract description 46
- 239000000463 material Substances 0.000 claims abstract description 21
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000001301 oxygen Substances 0.000 claims abstract description 17
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 17
- 230000008030 elimination Effects 0.000 claims abstract description 9
- 238000003379 elimination reaction Methods 0.000 claims abstract description 9
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 9
- 238000005192 partition Methods 0.000 claims abstract description 3
- 239000007789 gas Substances 0.000 claims description 7
- 238000005273 aeration Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 6
- 230000010354 integration Effects 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims 1
- 239000010865 sewage Substances 0.000 abstract description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 8
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 4
- 239000007787 solid Substances 0.000 abstract description 3
- 238000012856 packing Methods 0.000 abstract description 2
- 238000004886 process control Methods 0.000 abstract description 2
- 230000009466 transformation Effects 0.000 abstract description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 4
- 239000010962 carbon steel Substances 0.000 description 4
- 210000005056 cell body Anatomy 0.000 description 4
- 239000003814 drug Substances 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 210000000476 body water Anatomy 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 239000010841 municipal wastewater Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 238000012258 culturing Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001546 nitrifying effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses an integrated continuous denitrification filter equipment, which comprises a tank body, wherein the tank body is divided into two groups of same grids by a partition plate, each group of grids consists of a nitrification grid and a denitrification grid, and the nitrification grids of the same group of grids and the bottom of the denitrification grid are mutually communicated; the nitrification grid body is sequentially provided with an oxygen elimination area, a supporting layer, a filter material layer and a water distribution area from bottom to top, the oxygen elimination area is provided with a drain hole, and the water distribution area is provided with a backwash water outlet; the denitrification grid body is sequentially provided with a water distribution area, a supporting layer, a packing layer and a water stabilizing layer from bottom to top; and the water distribution area of the denitrification grid body is connected with a backwashing air inlet pipeline and a backwashing water inlet pipeline. The utility model discloses can effectively get rid of total nitrogen, ammonia nitrogen and suspended solid, be particularly suitable for small-size sewage treatment station and carry the mark transformation, its investment cost and running cost are lower moreover, and area is little, and process control ability is strong to need not the management of special technical personnel.
Description
Technical Field
The utility model relates to a sewage treatment device, in particular to an integrated continuous denitrification filter device for removing total nitrogen and ammonia nitrogen required by a small-sized sewage treatment plant.
Background
With the continuous development of urban economy and the continuous improvement of environmental protection standards, the sewage treatment capacity of small and medium towns in China is increasingly enhanced, and according to the latest statistical result of the ministry of housing and urban and rural construction in China, the total number of sewage treatment plants in China reaches more than 5300, the sewage treatment capacity reaches 1.63 hundred million m3/d, most of the sewage treatment plants have low emission standards due to the early construction time, and about more than 50 percent of the sewage treatment plants can only reach the requirements of the first-level standard B in the discharge standard of pollutants for municipal sewage treatment plants (GB 18918-2002), even nearly 25 percent of the sewage treatment plants execute the second-level standard. As the important source of the urban river water replenishing in China is the effluent of the urban sewage plant, the dilution capability is low after the effluent is discharged into the river, and the urban ecological environment is seriously threatened if the effluent quality discharge standard is not improved. The national environmental protection administration requires that the effluent quality of the sewage treatment plant using the effluent of the sewage treatment plant as the water for the urban landscape water reaches the first-class A standard in the discharge Standard of pollutants for municipal wastewater treatment plant (GB 18918-2002), so that the upgrading and the reconstruction of the municipal wastewater treatment plant in China are imperative.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an integration continuous type denitrogenation filtering pond equipment is provided, can effectively get rid of total nitrogen, ammonia nitrogen, suspended solid, and the quality of water that is fit for small-size sewage treatment station is carried the mark and is reformed transform, and its investment cost and running cost are lower, and area is little.
The technical scheme of the utility model as follows:
an integrated continuous denitrification filter equipment comprises a tank body, wherein the tank body is divided into two groups of same grids by a partition plate, each group of grids consists of a nitrification grid and a denitrification grid, and the nitrification grids and the denitrification grids of the same group of grids are mutually communicated at the bottoms; the nitrification grid body is sequentially provided with an oxygen elimination area, a supporting layer, a filter material layer and a water distribution area from bottom to top, the oxygen elimination area is provided with a drain hole, and the water distribution area is provided with a backwash water outlet; the denitrification grid body is sequentially provided with a denitrification water distribution area, a supporting layer, a filter material layer and a water stabilizing layer from bottom to top, the water distribution area is provided with a sampling port, and the water stabilizing layer is provided with a backwashing water outlet and a denitrification water outlet; the water distribution area of the nitrification grid body is connected with a water inlet pipeline, the supporting layer is connected with an air inlet pipeline, and the oxygen eliminating area is connected with a backwashing air inlet pipeline and a backwashing water inlet pipeline, so that uniform water and gas distribution is realized; the denitrification water distribution area of the denitrification grid body is connected with a backwashing air inlet pipeline and a backwashing water inlet pipeline, so that uniform water and gas distribution is realized;
the air inlet pipeline is connected with the aeration fan, the backwashing air inlet pipeline is connected with the backwashing fan, the water inlet pipeline is connected with the water inlet pump, and the backwashing water inlet pipeline is connected with the backwashing water inlet pump.
And a backwashing water outlet of the denitrification grid body is lower than a water outlet.
Nitrify the grid and denitrify the grid and share a backwash inlet pipe, and be equipped with the medicine mouth of pipe on the backwash inlet pipe, can provide plus carbon source for the denitrification.
The nitrification grids and the denitrification grids of the two sets of grids are mutually independent, and the backwashing of the equipment without stopping water is realized.
The utility model discloses a all be equipped with the cobble of different particle diameters on the bearing layer for the bearing packs, prevents to pack and reveals.
The tank body of the utility model can be made of stainless steel material, or carbon steel plus lining glass fiber reinforced plastic or carbon steel plus anticorrosive material.
The utility model discloses integration continuous type denitrification filtering pond equipment has high integration level, little area, operation and maintains advantages such as simple, is particularly suitable for small-size sewage treatment station and carries the mark transformation, and its investment cost and running cost are low, and process control ability is strong to need not the management of technical staff specially.
Drawings
FIG. 1 is a schematic view of the top view of the integrated continuous denitrification filter apparatus of the present invention;
fig. 2 is a schematic view of the vertical structure of the integrated continuous denitrification filter equipment of the utility model.
In the figure: 1-a pool body; 2. 4-nitrifying the lattice; 3. 5-denitrification grid; 6-a separator; 7-backwashing a water inlet pipeline; 8-an air inlet pipeline; 9-backwash gas pipeline; 10-adding medicine pipe mouth; 11-a backwash water outlet; 12-a denitrification water outlet; 13-a denitrification backwashing water outlet; 14-a sampling port; 15-an oxygen-eliminating zone; 16-a denitrification water distribution area; 17-a support layer; 18-a filter material layer; 19-a water distribution area; 20-a water stabilizing layer; 21-evacuation.
Detailed Description
The integrated continuous denitrification filter equipment of the utility model is further explained with the attached drawings.
As shown in figure 1 and figure 2, the utility model discloses integrated continuous denitrification filtering pond equipment includes cell body 1, and 1 shape of cell body is cuboid or square structure, separates for nitrifying grid 2, 4 by cross baffle 6 in the cell body 1, and denitrification grid 3, 5, every nitrify the grid by supreme oxygen removal district 15, support layer 17, filtering material layer 18 and the water distribution district 19 of being equipped with in proper order down, and oxygen removal district 15 sets up evacuation mouth 21, and the water distribution district sets up backwash water delivery port 11. Each denitrification grid body 3, 5 is provided with a denitrification water distribution area 16, a supporting layer 17, a filter material layer 18 and a water stabilizing layer 20 from bottom to top in sequence, the denitrification water distribution area 16 is provided with a sampling port 14, the sampling port 14 is folded on the filter material layer 18 through a water pipe for sampling, the water stabilizing layer 20 is provided with a backwashing water outlet 13 and a denitrification water outlet 12, the bottoms of the grid bodies in the same group are communicated, namely the bottoms of the nitrification grid body 2 and the denitrification grid body 3 are communicated with each other, the bottoms of the nitrification grid body 4 and the denitrification grid body 5 are communicated with each other, the nitrification grid body 2 and the nitrification grid body 4 are mutually independent, the denitrification grid body 3 and the denitrification grid body 5 are mutually independent, namely the bottoms of the nitrification grid body 2 and the nitrification grid body 4 are not communicated, the denitrification grid body 3 and the bottom of the denitrification grid body 5 are not communicated, the nitrification grid body water distribution layer 19, the denitrification water outlet 11 and the denitrification water outlet 12 are arranged on the upper part of the cell body, the denitrification and backwashing water outlet 13 is lower than the denitrification water outlet 12, and the supporting layer 17, the filter material layer 18, the oxygen eliminating area 15, the denitrification water distributing area 16 and the emptying port 21 are arranged at the lower part of the tank cavity; the water distribution area 19 of the nitrification grid body is connected with an external water inlet pipeline, the supporting layer 17 of the nitrification grid body is provided with an air inlet pipeline 8 to realize uniform water and air distribution, the nitrification grid body oxygen elimination area 15 and the denitrification grid body water distribution area 16 are provided with a backwashing water inlet pipeline 7 and a backwashing air pipeline 9, and the backwashing water inlet pipeline 7 is provided with a dosing pipe opening 10.
An air inlet pipeline 8 is connected with an aeration fan, a backwashing air pipeline 9 is connected with a backwashing fan, a backwashing water inlet pipeline 7 is connected with a backwashing water pump, and each pipeline is provided with a valve and a flowmeter.
The upper cavity of the denitrification grid filter material layer 18 of the utility model is a water stabilizing layer 20. The upper cavity of the nitrification grid body filter material layer 18 is a water distribution area 19 of the nitrification grid body
The working principle of the utility model is as follows:
when the device is in normal operation, the fan is started to open all valves on the air inlet pipeline 8, external sewage to be treated enters the device through the water distribution area 19 of the nitrification grid body, the sewage is nitrified in the nitrification grid body, enters the denitrification grid body for denitrification after oxygen is consumed by the oxygen elimination area, and finally flows out through the denitrification water outlet 12. When the pond cavity needs to be backwashed, if the nitrification grid body 2 needs to be backwashed, the valves of the air inlet pipeline 8 and the external water inlet pipe are firstly closed, the backwashing air pipeline 9 of the nitrification grid body is opened for air washing, the valve of the backwashing water inlet pipeline 7 is opened after a period of time, the medicine adding pipe opening 10 is closed, air-water combined backwashing is carried out, the backwashing air pipeline 9 of the nitrification grid body is closed after a period of time for water rinsing, the backwashing can be carried out on the denitrification grid body after the rinsing is finished, and the operation is the same as that of the nitrification grid body 2. Because nitrification lattices 2 and 4 and denitrification lattices 3 and 5 are independent of each other, one group can normally operate during backwashing of the other group.
In normal operation, the sewage passes through the filter material layer 18 with the attached microorganisms to generate biochemical action to remove ammonia nitrogen in the water and retain solid suspended matters in the water. The aeration replenishes dissolved oxygen in the water and provides sufficient oxygen for the biochemistry of the microorganism. The sewage to be treated enters the oxygen elimination zone 15 from the filter material layer 18 of the nitrification lattice body 2 or 4 through the supporting layer 17 and then enters the denitrification lattice bodies 3 and 5. Then enters a denitrification filter material layer 18 through a denitrification water distribution area 16 of the denitrification grids 3 and 5 to remove the total nitrogen in the water, and finally the effluent is discharged out of the system through a denitrification water outlet 12.
During backwashing, impurities and aged biomembranes trapped in the filter material layer 18 are flushed out under the action of backwashing water and backwashing gas and discharged out of the system through the backwashing water outlet 11 of the nitrification lattice body and the backwashing water outlet 13 of the denitrification lattice body.
The nitrification grid body part in the bearing layer 17 of the utility model is provided with an air inlet pipeline 8 for uniform air distribution; the bearing layer 17 is provided with cobbles with different particle sizes for bearing the filler and preventing the filler from leaking.
The filter material layer 18 of the utility model is used for the biofilm culturing of microorganisms to play the main biochemical and filtering role.
Nitrify water distribution district 19 of grid 2, the steady water layer 20 of denitrification grid be the upper portion cavity of packing layer 18, can prevent at the back flush in-process, the filler is washed out equipment.
The tank body 1 of the utility model can be made of stainless steel material, or carbon steel and lining glass fiber reinforced plastic or carbon steel and anticorrosive material.
The utility model discloses a set up the valve respectively on each pipeline, thereby adjust the pipeline through the valve management and control and reach even continuous business turn over water and the purpose of business turn over gas.
The utility model adopts a continuous water inlet mode and a continuous aeration or pulse aeration mode according to the condition.
Claims (4)
1. The utility model provides an integration continuous type denitrogenation filtering pond equipment which characterized in that: the device comprises a pool body, wherein the interior of the pool body is divided into two groups of same grids by a partition plate, each group of grids consists of a nitrification grid and a denitrification grid, and the nitrification grids and the denitrification grids of the same group of grids are mutually communicated at the bottoms; the nitrification grid body is sequentially provided with an oxygen elimination area, a supporting layer, a filter material layer and a water distribution area from bottom to top, the oxygen elimination area is provided with a drain hole, and the water distribution area is provided with a backwash water outlet; the denitrification grid body is sequentially provided with a denitrification water distribution area, a supporting layer, a filter material layer and a water stabilizing layer from bottom to top, the denitrification water distribution area is provided with a sampling port, and the water stabilizing layer is provided with a backwashing water outlet and a denitrification water outlet; the water distribution area of the nitrification grid body is connected with a water inlet pipeline, the supporting layer is connected with an air inlet pipeline, and the oxygen eliminating area is connected with a backwashing air inlet pipeline and a backwashing water inlet pipeline, so that uniform water and gas distribution is realized; the denitrification water distribution area of the denitrification grid body is connected with a backwashing air inlet pipeline and a backwashing water inlet pipeline, so that uniform water and gas distribution is realized;
the air inlet pipeline is connected with the aeration fan, the backwashing air inlet pipeline is connected with the backwashing fan, the water inlet pipeline is connected with the water inlet pump, and the backwashing water inlet pipeline is connected with the backwashing water inlet pump.
2. The integrated continuous denitrification filter apparatus according to claim 1, wherein: and a backwashing water outlet of the denitrification grid body is lower than a water outlet.
3. The integrated continuous denitrification filter equipment according to claim 1, wherein the nitrification lattice and the denitrification lattice share a backwash water inlet pipeline, and the backwash water inlet pipeline is provided with a chemical adding pipe orifice which can provide an external carbon source for denitrification.
4. The integrated continuous denitrification filter equipment according to claim 1, wherein the nitrification lattices and the denitrification lattices in the two groups of lattices are mutually independent to realize the backwashing of the equipment without stopping water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822211019.7U CN209872515U (en) | 2018-12-27 | 2018-12-27 | Integrated continuous denitrification filter equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822211019.7U CN209872515U (en) | 2018-12-27 | 2018-12-27 | Integrated continuous denitrification filter equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209872515U true CN209872515U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822211019.7U Active CN209872515U (en) | 2018-12-27 | 2018-12-27 | Integrated continuous denitrification filter equipment |
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| CN (1) | CN209872515U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113788591A (en) * | 2021-10-25 | 2021-12-14 | 福建省水产研究所 | Mariculture tail water treatment system |
-
2018
- 2018-12-27 CN CN201822211019.7U patent/CN209872515U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113788591A (en) * | 2021-10-25 | 2021-12-14 | 福建省水产研究所 | Mariculture tail water treatment system |
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| GR01 | Patent grant | ||
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Address after: 242300 intersection of Dongcheng Avenue and Dongcheng Road, heli Park, Ningguo Economic and Technological Development Zone, Ningguo City, Xuancheng City, Anhui Province Patentee after: Anhui Boshike Environmental Protection Technology Co.,Ltd. Country or region after: China Address before: 530007 12 Kexing Road, hi tech Zone, Nanning, the Guangxi Zhuang Autonomous Region Patentee before: GUANGXI BOSSCO ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240510 Address after: 242300 intersection of Dongcheng Avenue and Dongcheng Road, heli Park, Ningguo Economic and Technological Development Zone, Ningguo City, Xuancheng City, Anhui Province Patentee after: Anhui Boshike Environmental Protection Technology Co.,Ltd. Country or region after: China Patentee after: Guangxi Boshike Environmental Technology Co.,Ltd. Address before: 242300 intersection of Dongcheng Avenue and Dongcheng Road, heli Park, Ningguo Economic and Technological Development Zone, Ningguo City, Xuancheng City, Anhui Province Patentee before: Anhui Boshike Environmental Protection Technology Co.,Ltd. Country or region before: China |
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