CN213446441U - Denitrification deep bed filter tank system - Google Patents
Denitrification deep bed filter tank system Download PDFInfo
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- CN213446441U CN213446441U CN202021900124.2U CN202021900124U CN213446441U CN 213446441 U CN213446441 U CN 213446441U CN 202021900124 U CN202021900124 U CN 202021900124U CN 213446441 U CN213446441 U CN 213446441U
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- deep bed
- denitrification deep
- bed filter
- material layer
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 32
- 229910052799 carbon Inorganic materials 0.000 claims description 18
- 241000894006 Bacteria Species 0.000 claims description 14
- 241000272814 Anser sp. Species 0.000 claims description 4
- 239000006004 Quartz sand Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 230000008676 import Effects 0.000 claims 2
- 239000003973 paint Substances 0.000 claims 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract description 75
- 239000010865 sewage Substances 0.000 abstract description 19
- 238000001914 filtration Methods 0.000 abstract description 7
- 230000005307 ferromagnetism Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000007769 metal material Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 52
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 5
- 229910052688 Gadolinium Inorganic materials 0.000 description 4
- 229910017052 cobalt Inorganic materials 0.000 description 4
- 239000010941 cobalt Substances 0.000 description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229910002651 NO3 Inorganic materials 0.000 description 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000005294 ferromagnetic effect Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- -1 organic matters Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Water Treatment By Sorption (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses a denitrification deep bed filtering pond system, a serial communication port, including the reaction tank, the reaction tank includes pool wall, top cap, and the reaction tank bottom is equipped with clear water layer, second filtering material layer, first filtering material layer, the magnet layer that distributes from the bottom up in proper order, the pool wall department on clear water layer is equipped with the outlet, the outlet is external to have the drain pipe, the laminated structure of magnet layer for having the through-hole. The utility model discloses effectively adsorb the metallic substance that has ferromagnetism in the sewage, prevented that methanol from revealing the pollution to the environment, can improve the speed of the lower season denitrification reaction of temperature, can detect controlled temperature at any time, convenient control and maintenance.
Description
Technical Field
The utility model relates to a water treatment field especially relates to sewage treatment system, specifically is a denitrification deep bed filtering pond system.
Background
The denitrification reaction has important significance in the nature, is a key ring of nitrogen circulation, can reduce NO3 < - > flowing into rivers and oceans in soil due to leaching, and eliminates the toxic effect on organisms due to nitric acid accumulation. It is well known to environmentalists to utilize denitrification to remove nitrogen from sewage to reduce nitrogen pollution and eutrophication problems in rivers. When various reactors are used for treating urban or industrial wastewater, the carbon source in the organic wastewater can support denitrification and perform effective biological denitrification. Most of denitrifying bacteria used in sewage treatment are heterotrophic bacteria, the growth speed of the denitrifying bacteria is high, but an external organic carbon source is needed, and in actual operation, a small amount of organic matters such as methanol and the like are sometimes added to ensure that the denitrification process is smoothly carried out. The denitrification efficiency and effect are affected by water flow, carbon source concentration, dissolved oxygen concentration, temperature, and the like.
Deep bed filters are generally used for removing suspended matters in water treatment, and are single-layer homogeneous filter material filters or multi-layer filter material filters, wherein filter beds are deeper than traditional fast filters, and most of the filter beds are down-flow gravity filters. The hydraulic load and the nitrate volume load are properly designed, and the deep bed filter tank also has the function of denitrification and denitrification to synchronously remove suspended matters and nitrate. The structure of the deep-bed filter tank allows suspended solids in water to penetrate to a deeper position of the filter bed, so that the sewage interception capability of the filter tank can be improved.
Nowadays, the denitrification deep bed filter has been gradually applied to the field of sewage treatment, but the prior art still has some defects: 1. the sewage contains more kinds of metals, the prior art considers less independent removal, but generally adopts a filter layer to intercept the metals together with filter residues, colloid, silt and the like, and the scheme has low metal removal efficiency and poor effect, and easily causes the filter layer to have higher pressure and higher maintenance frequency; 2. in a denitrification filter tank system, a carbon source generally adopts methanol, the prior art focuses on how to make the methanol closely contact sewage and denitrifying bacteria or heat the methanol to improve the reaction rate, but neglects the toxic, harmful, flammable and explosive characteristics of the methanol, and due to some reasons, the methanol is not consumed and is discharged out of the filter tank to pollute the environment, and the prior system does not have a structure for treating the leaked methanol.
SUMMERY OF THE UTILITY MODEL
For overcoming the defects of the prior art, the utility model provides a denitrification deep bed filter system, which solves the problem that the existing denitrification deep bed filter system exists when dealing with the sewage treatment scene with higher and higher requirements.
The utility model provides a technical scheme that above-mentioned problem adopted is:
a denitrification deep bed filter system is characterized by comprising a reaction tank, wherein the reaction tank comprises a tank wall and a top cover, the bottom of the reaction tank is provided with a clear water layer, a second filter material layer, a first filter material layer and a magnet layer which are sequentially distributed from bottom to top, a water outlet is formed in the tank wall of the clear water layer, a water outlet pipe is externally connected with the water outlet, and the magnet layer is of a laminated structure with through holes;
the top cover is provided with an air hole, a denitrifying bacteria inlet and a water inlet, the denitrifying bacteria inlet is externally connected with a first metering pump through a pipeline, the water inlet is externally connected with a second metering pump, the wall of the tank is provided with a carbon source port, and the carbon source port is externally connected with a third metering pump through a pipeline.
Preferably, the bearing layer comprises a goose warm stone layer, a waterproof coating layer and a waterproof concrete layer from bottom to top.
Preferably, the first filter material layer is a layered structure composed of activated carbon.
Preferably, the second filter material layer is a layered structure made of quartz sand.
Preferably, a one-way valve is connected between the third metering pump and the carbon source port through a pipeline.
Preferably, a heater is arranged in the bearing layer, and the heater is externally connected with an electric control device through a cable.
Preferably, the heater is provided with a temperature control module.
The utility model discloses an innovation point is: the device is provided with a magnet layer with a through hole, a first filter material layer and a one-way valve, wherein the first filter material layer and the one-way valve form a layered structure by optimizing activated carbon, the magnet layer effectively adsorbs ferromagnetic metal substances (such as iron, cobalt, nickel, gadolinium and the like) in sewage, the magnet layer also has a buffering effect on methanol subsidence, the first filter material layer adsorbs and intercepts methanol, and a carbon source port is provided with the one-way valve to prevent suck-back during methanol addition.
Compared with the prior art, the utility model, following beneficial effect has:
(1) effectively adsorbing metal substances (such as iron, cobalt, nickel, gadolinium and the like) with ferromagnetism in the sewage;
(2) unreacted methanol is subjected to sinking buffering, adsorption and interception so as to further react with sewage, so that leakage is prevented;
(3) the back suction when the methanol is added can be prevented, and the pollution to the environment is avoided;
(4) the speed of denitrification reaction in seasons with lower air temperature can be increased, the temperature can be detected and controlled at any time, and the control and the maintenance are convenient.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the magnet layer of the present invention.
Reference numbers and corresponding part names in the drawings: 1. the device comprises a supporting layer, 2, a clear water layer, 3, a second filter material layer, 4, a first filter material layer, 5, a magnet layer, 6, a pool wall, 7, a top cover, 8, a heater, 10, an air hole, 11, a denitrifying bacterium inlet, 12, a water inlet, 13, a carbon source port, 14, a water outlet, 51, a through hole, 81, a cable, 82, an electric control device, 100, a reaction pool, 111, a first metering pump, 121, a second metering pump, 131, a third metering pump, 132 and a one-way valve.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.
Example 1
As shown in fig. 1 and 2, a denitrification deep bed filter system is characterized by comprising a reaction tank 100, wherein the reaction tank 100 comprises a tank wall 6 and a top cover 7, the bottom of the reaction tank 100 is provided with a clear water layer 2, a second filter material layer 3, a first filter material layer 4 and a magnet layer 5 which are distributed from bottom to top in sequence, a water outlet 14 is arranged on the tank wall 6 of the clear water layer 2, the water outlet 14 is externally connected with a water drain pipe 141, and the magnet layer 5 is of a layered structure with a through hole 51;
the top cover 7 is provided with an air hole 10, a denitrifying bacteria inlet 11 and a water inlet 12, the denitrifying bacteria inlet 11 is externally connected with a first metering pump 111 through a pipeline, the water inlet 12 is externally connected with a second metering pump 121, the pool wall 6 is provided with a carbon source port 13, and the carbon source port 13 is externally connected with a third metering pump 131 through a pipeline.
Preferably, the bearing layer 1 comprises a goose warm stone layer, a waterproof coating layer and a waterproof concrete layer from bottom to top.
Preferably, the first filter material layer 3 has a layered structure made of activated carbon.
Preferably, the second filter material layer 2 is a layered structure made of quartz sand.
Preferably, a check valve 132 is connected to a pipe between the third metering pump 131 and the carbon source port 13.
The supporting layer 1 plays a role in stabilizing the filter tank, the goose warmer stone layer, the waterproof coating layer and the waterproof concrete layer from bottom to top are firm in structure, high in crack resistance, strong in bearing capacity and good in waterproof performance, and suspended matters can be better precipitated and filtered by the structure of the double-layer filter material layer; the air hole 10 is used as a discharge passage of nitrogen generated by denitrification reaction, the first metering pump 111 is used for quantitatively adding denitrifying bacteria (in this embodiment, a solution containing denitrifying bacteria with a pH value of 6.5-7.5 and a temperature of 20-40 ℃ can be used), the second metering pump 121 is used for controlling sewage inflow, and the third metering pump 131 is used for quantitatively adding a carbon source (in this embodiment, methanol is used as the carbon source).
In this embodiment, the magnet layer 5 with the through hole 51, the first filter material layer 4 preferably made of activated carbon and having a layered structure, and the check valve 132 are arranged, the magnet layer 5 effectively adsorbs ferromagnetic metal substances (such as iron, cobalt, nickel, gadolinium and the like) in sewage, and the magnet layer 5 can also enable methanol which is not consumed in the reaction tank to have a buffer distance before passing through the first filter material layer 4, so that the buffer effect on methanol sinking is achieved, and the process that methanol leaves the reaction environment is delayed; the first filter material layer 4 adsorbs and intercepts methanol, and the activated carbon has strong methanol adsorption capacity, so that unreacted methanol passing through the magnet layer is adsorbed on the first filter material layer 4, leakage is prevented, the unreacted methanol is intercepted so as to be further reacted with sewage, and the activated carbon is preferably selected to remove residual chlorine, colloid and organic matters in the sewage, efficiently absorb hexavalent chromium in the sewage and play a certain role in removing mercury; the quartz sand is used for the second-stage filtration, has the advantages of high filtration speed and high filtration precision, can effectively remove suspended matters in water, and has obvious removal effect on pollutants such as colloid, iron, organic matters, pesticides, manganese, bacteria, viruses and the like in water; the carbon source port 13 is provided with a one-way valve 132, so that the methanol can only flow into the reaction tank from the outside but not flow in the opposite direction, the suck-back when adding the methanol can be prevented, and the environmental pollution is avoided.
The embodiment effectively adsorbs metal substances (such as iron, cobalt, nickel, gadolinium and the like) with ferromagnetism in the sewage; unreacted methanol is subjected to sinking buffering, adsorption and interception so as to further react with sewage, so that leakage is prevented; can prevent back suction when adding methanol and avoid environmental pollution.
Example 2
As shown in fig. 1 and fig. 2, as a further optimization of embodiment 1, this embodiment includes all the technical features of embodiment 1, and in addition, includes the following technical features:
preferably, a heater 8 is arranged in the supporting layer 1, and the heater 8 is externally connected with an electric control device 82 through a cable 81.
Preferably, the heater 8 is provided with a temperature control module.
The heating can improve the speed of the denitrification reaction in the season with lower air temperature, and the temperature detection module improves the visibility, can detect and control the temperature at any time, is convenient to control and maintain, and further increases the degree of automation.
Compare in embodiment 1, this embodiment still has convenient the detection, and degree of automation is higher, and stability strengthens, advantages such as efficiency further promotes.
As described above, the present invention can be preferably realized.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and the technical essence of the present invention is that within the spirit and principle of the present invention, any simple modification, equivalent replacement, and improvement made to the above embodiments are all within the protection scope of the technical solution of the present invention.
Claims (7)
1. The denitrification deep bed filter system is characterized by comprising a reaction tank (100), wherein the reaction tank (100) comprises a tank wall (6) and a top cover (7), a clear water layer (2), a second filter material layer (3), a first filter material layer (4) and a magnet layer (5) are arranged at the bottom of the reaction tank (100) and distributed from bottom to top in sequence, a water outlet (14) is formed in the tank wall (6) of the clear water layer (2), a water outlet (141) is externally connected with the water outlet (14), and the magnet layer (5) is of a layered structure with through holes (51);
be equipped with gas pocket (10), denitrifying bacteria import (11), water inlet (12) on top cap (7), denitrifying bacteria import (11) are external through the pipeline has first measuring pump (111), water inlet (12) are external to have second measuring pump (121), be equipped with carbon source mouth (13) on pool wall (6), carbon source mouth (13) are external through the pipeline has third measuring pump (131).
2. The denitrification deep bed filter system according to claim 1, wherein a supporting layer (1) is arranged below the clean water layer (2), and the supporting layer (1) comprises a goose warmer layer, a waterproof paint layer and a waterproof concrete layer from bottom to top.
3. A denitrification deep bed filter system according to claim 1, wherein the first filter material layer (4) is a layered structure composed of activated carbon.
4. A denitrification deep bed filter system according to claim 1, wherein the second filter material layer (3) is a layered structure made of quartz sand.
5. A denitrification deep bed filter system according to claim 1, wherein a one-way valve (132) is connected between the third metering pump (131) and the carbon source port (13).
6. A denitrification deep bed filter system according to claim 2, wherein a heater (8) is arranged in the supporting layer (1), and the heater (8) is externally connected with an electric control device (82) through a cable (81).
7. A denitrification deep bed filter system according to claim 6, wherein the heater (8) is provided with a temperature control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021900124.2U CN213446441U (en) | 2020-09-03 | 2020-09-03 | Denitrification deep bed filter tank system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021900124.2U CN213446441U (en) | 2020-09-03 | 2020-09-03 | Denitrification deep bed filter tank system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213446441U true CN213446441U (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021900124.2U Active CN213446441U (en) | 2020-09-03 | 2020-09-03 | Denitrification deep bed filter tank system |
Country Status (1)
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|---|---|
| CN (1) | CN213446441U (en) |
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2020
- 2020-09-03 CN CN202021900124.2U patent/CN213446441U/en active Active
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Effective date of registration: 20231010 Address after: No. 99, Shiziling, Zhaozhen Street, Jintang County, Chengdu, Sichuan, 610000 Patentee after: Sichuan Changhe Tongchuang Environmental Technology Co.,Ltd. Address before: No.14, Lane 1502, Luoshan Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee before: Schmidt (Shanghai) Water Technology Co.,Ltd. |