CN220887230U - Treatment system for removing nitrate in water - Google Patents
Treatment system for removing nitrate in water Download PDFInfo
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- CN220887230U CN220887230U CN202321793760.3U CN202321793760U CN220887230U CN 220887230 U CN220887230 U CN 220887230U CN 202321793760 U CN202321793760 U CN 202321793760U CN 220887230 U CN220887230 U CN 220887230U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 135
- 229910002651 NO3 Inorganic materials 0.000 title claims abstract description 39
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 238000001179 sorption measurement Methods 0.000 claims abstract description 37
- 239000011347 resin Substances 0.000 claims abstract description 29
- 229920005989 resin Polymers 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 26
- 238000003795 desorption Methods 0.000 claims abstract description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000006004 Quartz sand Substances 0.000 claims abstract description 15
- 229920006037 cross link polymer Polymers 0.000 claims abstract description 6
- 239000012798 spherical particle Substances 0.000 claims abstract description 6
- 239000003814 drug Substances 0.000 claims description 12
- 238000004659 sterilization and disinfection Methods 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 11
- 229910052799 carbon Inorganic materials 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 10
- 239000003651 drinking water Substances 0.000 abstract description 9
- 235000020188 drinking water Nutrition 0.000 abstract description 9
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 8
- 239000012535 impurity Substances 0.000 description 7
- 244000005700 microbiome Species 0.000 description 7
- 241000195493 Cryptophyta Species 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 241000700605 Viruses Species 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 206010009944 Colon cancer Diseases 0.000 description 1
- 208000001333 Colorectal Neoplasms Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 208000005718 Stomach Neoplasms Diseases 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 208000022136 colorectal lymphoma Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 206010017758 gastric cancer Diseases 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000011197 physicochemical method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- -1 silver ions Chemical class 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 201000011549 stomach cancer Diseases 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model relates to a treatment system for removing nitrate in water, which comprises a multi-medium filter, a precise filter, a resin adsorption tank and a clean water tank, wherein a water inlet at the top of the multi-medium filter is connected with a first guide pipe, the first guide pipe is connected with a water inlet pipe through a lifting water pump, a quartz sand filter material is filled in the multi-medium filter, a water outlet of the multi-medium filter is connected with a water inlet of the precise filter through a second guide pipe, a pp filter element is arranged in the precise filter, a water outlet of the pp filter element is connected with a water inlet of the resin adsorption tank through a third guide pipe, porous cross-linked polymer spherical particles are filled in the resin adsorption tank, a desorption liquid outlet at the bottom of the resin adsorption tank is connected with a biochemical tank through a desorption liquid pipe, the desorption liquid pipe is connected with a carbon source dosing tank through a fourth guide pipe, and a water outlet of the resin adsorption tank is connected with the clean water tank; the utility model solves the problems of low nitrate removal rate and high operation management requirement, avoids secondary pollution and achieves the effect of cleaning drinking water.
Description
[ Technical field ]
The utility model relates to the technical field of water treatment, in particular to a treatment system for removing nitrate in water.
[ Background Art ]
Water safety is closely related to people's life, and nitrate is one of the important indicators affecting drinking water quality. Nitrate itself is not harmful, but in the human body, there is a possibility that the incidence of cancers such as gastric cancer, colorectal cancer and lymphoma is increased. At present, common methods for removing nitrate in drinking water mainly comprise a biological denitrification method, a chemical denitrification method and a physicochemical method, but the common methods are accompanied with the problems of complex process, high operation management requirement, secondary pollution and the like.
The utility model patent with publication number 207699406U discloses a novel treatment device for removing nitrate in water, which is based on the principle that a magnetic field is formed in an activation tank body through a magnetized magnetic strip, and macromolecular organic matters and inorganic matters exist in a particle or ion free form under the action of a high-strength magnetic field, so that most algae microorganisms and flora die; by utilizing the adsorption mechanism of natural ore molecular materials, nitrate pollutants, ionic substances, dead microorganism colloid and the like in the water body are adsorbed. Finally, the silver ions are used for sterilization and disinfection, so that residual pollutants in the water body are thoroughly killed, and the effect of cleaning the water body is achieved. The method comprises the following specific steps: the treated water source enters the activation tank body from the water inlet pipe, raw water molecular clusters are untwisted under the action of a high-strength magnetic field formed by magnetizing the magnetic strips, so that cluster water forms single water molecule state water, impurities can be separated, small molecular water enters the adsorption filtration tank body, nitrate and substances existing in an ionic state are effectively adsorbed by natural ore molecular materials in the adsorption filtration area, and enter the disinfection tank body through filtered water, so that a silver disinfection net forming a disinfection area thoroughly kills residual algae microorganisms, various viruses and other microorganisms in the water body, the water quality of the final end of the device is purified under the action of the filter screen, and the water is conveyed to end users or industrial water through the water outlet pipe.
The scheme mainly has the following defects: the nitrate pollutant, ionic substances, dead microorganism colloid and the like in the water body are adsorbed mainly according to the adsorption mechanism of the natural ore molecular material, so that the nitrate treatment effect is achieved, however, the nitrate has high solubility in water under the actual operation condition, good stability, difficult coprecipitation or adsorption formation, removal by an adsorption method, and easy adsorption saturation phenomenon; and the consumption of the adsorbent is relatively large, and the adsorption capacity can be reduced and even the adsorption capacity can be lost after the adsorbent is used for a certain time.
[ Summary of the utility model ]
The utility model aims to solve the defects and provide a treatment system for removing nitrate in water, which solves the problems of low nitrate removal rate and high operation management requirement, avoids secondary pollution, achieves the effect of cleaning drinking water and ensures drinking water safety.
The treatment system for removing nitrate in water comprises a multi-medium filter 1, a precise filter 2, a resin adsorption tank 3 and a clean water tank 4, wherein a water inlet at the top of the multi-medium filter 1 is connected with a first guide pipe 23, the other end of the first guide pipe is connected with a water outlet of a lifting water pump 22, the water inlet of the lifting water pump 22 is connected with a water inlet pipe 21, quartz sand filter materials 24 are filled in the multi-medium filter 1, a water outlet at the bottom of the multi-medium filter 1 is connected with a second guide pipe 29, the other end of the second guide pipe 29 is connected with the water inlet of the precise filter 2, a pp filter core 30 is arranged in the precise filter 2, a water outlet of the precise filter 2 is connected with a third guide pipe 31, the other end of the third guide pipe is connected with a water inlet at one side of the resin adsorption tank 3, a desorption liquid outlet is formed in the bottom of the resin adsorption tank 3, a desorption liquid outlet is connected with a desorption liquid pipe 37, the other end of the desorption liquid 37 is connected with a groove 41, a carbon source medicine adding pipe 38 is connected with a fourth guide pipe 38, the other end of the biochemical liquid medicine adding tank 33 is connected with a fourth guide pipe 33, and the other end of the biochemical liquid is connected with the biochemical liquid 3, and the biochemical liquid storing 4 is connected with the fourth guide pipe 33.
Further, a back flush port is formed in the bottom end of the multi-medium filter 1, a back flush drain port is formed in the side face of the top of the multi-medium filter 1, a back flush valve 25 is arranged at the back flush port, the back flush valve 25 is connected with a back flush pipe 26, a back flush drain pipe 27 is connected at the back flush drain port, and a back flush drain valve 28 is arranged on the back flush drain pipe 27.
Further, the pp filter element 30 in the precision filter 2 is arranged along the longitudinal extension, the pp filter element 30 extends from the top to the bottom in the precision filter 2, the water inlet of the precision filter 2 is arranged at one side of the top, and the water outlet of the precision filter 2 is arranged at the other side of the bottom.
Further, a dosing tube 34 is connected to the fourth flow guiding tube 33, the other end of the dosing tube 34 is connected to a first dosing pump 35, and the other end of the first dosing pump 35 is connected to a sterilizing dosing tank 36.
Further, the multi-medium filter 1 comprises a filter body, a middle layer in the filter body is filled with multi-medium filter materials, an upper layer and a lower layer in the filter body are arranged to be hollow cavities, the multi-medium filter materials comprise quartz sand filter materials 24, and water source water entering the multi-medium filter 1 passes through the quartz sand filter materials 24 from top to bottom.
Further, the backwash drain pipe 27 is connected to the side surface of the upper layer of the multi-media filter 1, the second guide pipe 29 is connected to the bottom surface of the lower layer of the multi-media filter 1, and the backwash valve 25 is installed at the bottom of the lower layer of the multi-media filter 1.
Further, the precision filter 2 includes a cylinder body, the cylinder body housing is made of stainless steel material, and the cylinder body interior is provided with a pp filter element 30 as a filter element.
Compared with the prior art, the nitrate removal treatment system is more rapid and convenient, solves the problems of low removal rate and high operation management requirement of the common method for removing nitrate in drinking water, avoids secondary pollution, achieves the effect of cleaning the drinking water, and ensures the drinking water safety; in addition, the processing system for removing nitrate in water adopts a module assembly form, has high automation degree and simple operation, and is worthy of popularization and application.
[ Description of the drawings ]
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a flow chart of the present utility model;
in the figure: 1. the multi-medium filter 2, the precision filter 3, the resin adsorption tank 4, the clean water tank 21, the water inlet pipe 22, the lifting water pump 23, the first guide pipe 24, the quartz sand filter material 25, the back flush valve 26, the back flush pipe 27, the back flush water outlet pipe 28, the back flush water outlet valve 29, the second guide pipe 30, the pp filter element 31, the third guide pipe 32, the porous cross-linked polymer spherical particles 33, the fourth guide pipe 34, the dosing pipe 35, the first dosing pump 36, the disinfection dosing tank 37, the desorption liquid pipe 38, the carbon source dosing pipe 39, the second dosing pump 40, the carbon dosing tank 41, the biochemical tank 42 and the water outlet pipe.
Detailed description of the preferred embodiments
As shown in figure 1, the utility model provides a treatment system for removing nitrate in water, which comprises a multi-medium filter 1, a precise filter 2, a resin adsorption tank 3 and a clean water tank 4, wherein a water inlet at the top of the multi-medium filter 1 is connected with a first guide pipe 23, the other end of the first guide pipe 23 is connected with a water outlet of a lifting water pump 22, the water inlet of the lifting water pump 22 is connected with a water inlet pipe 21, quartz sand filter materials 24 are filled in the multi-medium filter 1, a water outlet at the bottom of the multi-medium filter 1 is connected with a second guide pipe 29, the other end of the second guide pipe 29 is connected with a water inlet of the precise filter 2, a pp filter element 30 is arranged in the precise filter 2, a water outlet of the precise filter 2 is connected with a third guide pipe 31, the other end of the flow guide pipe III 31 is connected to a water inlet on one side of the resin adsorption tank 3, the resin adsorption tank 3 is filled with porous cross-linked polymer spherical particles 32, a desorption liquid outlet is formed in the bottom of the resin adsorption tank 3, the desorption liquid outlet is connected with a desorption liquid pipe 37, the other end of the desorption liquid pipe 37 is connected with a biochemical tank 41, the desorption liquid pipe 37 is connected with a carbon source dosing pipe 38, the other end of the carbon source dosing pipe 38 is connected with a carbon source dosing box 40, a dosing pump II 39 is arranged on the carbon source dosing pipe 38, a water outlet of the biochemical tank 41 is connected with a water drain pipe 42, a water outlet on the other side of the resin adsorption tank 3 is connected with a flow guide pipe IV 33, and the other end of the flow guide pipe IV 33 is connected with a clean water tank 4; the fourth guide pipe 33 is connected with a dosing pipe 34, the other end of the dosing pipe 34 is connected with a first dosing pump 35, and the other end of the first dosing pump 35 is connected with a disinfection dosing tank 36.
Wherein, the bottom end of the multi-medium filter 1 is provided with a back flush outlet, the side surface of the top of the multi-medium filter 1 is provided with a back flush valve 25, the back flush valve 25 is connected with a back flush pipe 26, the back flush outlet is connected with a back flush drain pipe 27, and the back flush drain pipe 27 is provided with a back flush drain valve 28; the multi-medium filter 1 comprises a filter body, wherein a middle layer in the filter body is filled with a multi-medium filter material, the upper layer and the lower layer in the filter body are arranged as cavity bodies, the multi-medium filter material comprises quartz sand filter materials 24, and water source water entering the multi-medium filter 1 passes through the quartz sand filter materials 24 from top to bottom; the back flush drain pipe 27 is connected to the side of the upper layer of the multi-medium filter 1, the second guide pipe 29 is connected to the bottom surface of the lower layer of the multi-medium filter 1, and the back flush valve 25 is installed at the bottom of the lower layer of the multi-medium filter 1. The pp filter element 30 in the precision filter 2 is arranged along the longitudinal extension, the pp filter element 30 extends from the top to the bottom in the precision filter 2, the water inlet of the precision filter 2 is arranged on one side of the top, and the water outlet of the precision filter 2 is arranged on the other side of the bottom; the precision filter 2 comprises a cylinder, the shell of which is made of stainless steel, and the interior of which is provided with a pp filter element 30 as a filter element.
The utility model is further described below with reference to the drawings and examples:
The utility model mainly comprises a multi-medium filter, a precise filter, resin, a clean water tank and a biochemical tank. Wherein,
Multi-media filter: the multi-medium filter material mainly comprises a filter body, a matched pipeline and a valve, and quartz sand is mainly adopted as the multi-medium filter material. When source water passes through the filter material from top to bottom, suspended matters in the water are trapped by the surface of the filter layer due to adsorption and mechanical choking; when water flows into the middle of the filter layer, because the sand grains in the filter layer are arranged more tightly, particles in the water have more opportunities to collide with the sand grains, so that the surfaces of flocculate, suspended matters and sand grains in the water are mutually adhered, and impurities in the water are trapped in the filter layer, so that impurities such as muddy sand, suspended matters and colloid in the water and organisms such as algae are removed, and the mechanical damage and pollution to the subsequent process are reduced.
Precision filter: the shell of the cylinder is made of stainless steel, a PP filter element is adopted as a filter element in the shell, fine impurities in water are further treated, and broken quartz sand impurities in the previous process are prevented from being left to the next process through a water distributor.
Resin adsorption tank: the adsorption resin is porous cross-linked polymer spherical particles, and nitrate in water is exchanged with Cl-or HCO 3-on the resin by utilizing the adsorption effect of the resin on dissolved organic matters in water, so that the nitrate enters desorption liquid, and the effect of removing nitrate in drinking water is achieved.
Clean water pond: the clear water after resin adsorption enters a clear water tank after being disinfected and sterilized to kill residual algae microorganisms and viruses in the water body, and can be transported to a user for use through a pipeline.
Biochemical groove: the desorption liquid is fed into a biochemical tank to carry out denitrification reaction after supplementing a small amount of carbon source, oxygen in nitrate is taken as an electron acceptor by utilizing the action of facultative denitrifying bacteria (denitrifying bacteria), organic matters are taken as an electron donor to provide energy and are oxidized and stabilized, and the organic matters are reduced into nitrogen to be discharged after reaching standards.
The specific working flow of the utility model is as follows: when source water is lifted by a lifting water pump 22 through a water inlet pipe 21 and passes through the multi-medium filter 1 from top to bottom through a first diversion pipe 23, suspended matters, flocculates and suspended matters in the water are trapped in a quartz sand filter material 24 through adsorption, mechanical choking and adhesion effects, so that the removal effect is achieved, and the mechanical damage and pollution to the subsequent process are reduced; and a back flush valve 25, a back flush pipe 26, a back flush drain pipe 27 and a back flush drain valve 28 are arranged for back flush, so that the working performance of the back flush valve is maintained. Then the water enters a precise filter 2 through a second guide pipe 29, fine impurities in the water are further treated, broken quartz sand impurities in the previous process are prevented from being remained in the next process through a water distributor, the water is filtered through a pp filter element 30 and enters a resin adsorption tank 3 through a third guide pipe 31, the adsorption effect of porous cross-linked polymer spherical particles 32 on dissolved organic matters in the water is utilized, nitrate in the water is exchanged with Cl - or HCO 3 - on resin to enter a desorption liquid pipe 37, clear water after resin adsorption enters a clean water tank 4 after disinfection and dosing are carried out through a fourth guide pipe 33 through a disinfection dosing tank 36, a dosing pump 35 and a dosing pipe 34, residual algae microorganisms and viruses in the water are disinfected and killed, the water can be transported to a user through a pipeline for use, the desorption liquid enters a biochemical tank 41 through a small amount of carbon source dosing tank 40, a dosing pump 39 and a carbon source dosing pipe 38 for denitrification reaction, oxygen in the nitrate is utilized as an electron acceptor, and the oxygen in the nitrate is finally provided as an electron acceptor and is subjected to oxidation and stable and reduction and is discharged through a water outlet pipe 42.
In the pretreatment stage, flocculant can be added into the multi-medium filter to coagulate small-particle suspended matters in water into large-particle floccules, so that the small-particle suspended matters are convenient to remove by the follow-up precise filter. And resin with preferential selectivity to nitrate can be adopted, nitrate is preferentially exchanged in the treatment process, and the exchange capacity of nitrate is not influenced by sulfate in water, so that the treatment efficiency of nitrate is improved.
The details not described in detail in this specification belong to the prior art known to those skilled in the art, all standard parts used by the standard parts can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, which are not described in detail.
The present utility model is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principles of the utility model are intended to be equivalent substitutes and are included in the scope of the utility model.
Claims (7)
1. A processing system for removing nitrate in water, includes multi-media filter (1), precision filter (2), resin adsorption tank (3) and clean water basin (4), its characterized in that: the utility model discloses a biochemical medicine adding device, including a biochemical medicine adding box (38) and a biochemical medicine adding box (38), a biochemical medicine adding box (38) and a biochemical medicine adding box (38) are arranged in the biochemical medicine adding box, a water inlet of a multi-medium filter (1) is connected with a first guide pipe (23), a water inlet of the top of the first guide pipe (23), the other end of the first guide pipe (23) is connected with a water outlet of a lifting water pump (22), a water inlet of the lifting water pump (22), a quartz sand filter material (24) is filled in the multi-medium filter (1), a second guide pipe (29) is connected with a water outlet of the bottom of the multi-medium filter (1), a pp filter element (30) is arranged in the precise filter (2), a water outlet of the precise filter (2) is connected with a third guide pipe (31), the other end of the guide pipe is connected with a water inlet of a resin adsorption tank (3), a porous cross-linked polymer spherical particle (32) is filled in the resin adsorption tank (3), a desorption liquid outlet is arranged at the bottom of the resin adsorption tank (3), a desorption liquid outlet is connected with a desorption liquid outlet, a desorption liquid outlet is arranged, a desorption liquid outlet is connected with the desorption liquid (37), the other end of the desorption liquid (37) and a medicine adding box (41), a medicine adding source is connected with a biochemical medicine adding box (38) and a medicine adding source adding box (38), the water outlet of the biochemical tank (41) is connected with a drain pipe (42), the water outlet of the other side of the resin adsorption tank (3) is connected with a fourth guide pipe (33), and the other end of the fourth guide pipe (33) is connected with a clean water tank (4).
2. The treatment system for removing nitrate from water of claim 1, wherein: the back flush mouth has been seted up to multi-media filter (1) bottom, back flush outlet has been seted up to multi-media filter (1) top side, back flush mouth department is installed back flush valve (25), back flush valve (25) are connected with back flush pipe (26), back flush outlet department is connected with back flush drain pipe (27), install back flush drain valve (28) on back flush drain pipe (27).
3. The treatment system for removing nitrate from water of claim 1, wherein: the pp filter element (30) in the precision filter (2) is arranged along the longitudinal extension, the pp filter element (30) extends from the top to the bottom in the precision filter (2), the water inlet of the precision filter (2) is arranged on one side of the top, and the water outlet of the precision filter (2) is arranged on the other side of the bottom.
4. The treatment system for removing nitrate from water of claim 1, wherein: the fourth guide pipe (33) is connected with a dosing pipe (34), the other end of the dosing pipe (34) is connected with a first dosing pump (35), and the other end of the first dosing pump (35) is connected with a disinfection dosing box (36).
5. A treatment system for removing nitrate from water as claimed in claim 2, wherein: the multi-medium filter (1) comprises a filter body, a multi-medium filter material is filled in an intermediate layer in the filter body, a cavity is formed in an upper layer and a lower layer in the filter body, the multi-medium filter material comprises a quartz sand filter material (24), and water source water entering the multi-medium filter (1) passes through the quartz sand filter material (24) from top to bottom.
6. The treatment system for removing nitrate from water of claim 5, wherein: the back flush drain pipe (27) is connected to the side surface of the upper layer of the multi-medium filter (1), the second guide pipe (29) is connected to the bottom surface of the lower layer of the multi-medium filter (1), and the back flush valve (25) is arranged at the bottom of the lower layer of the multi-medium filter (1).
7. A treatment system for removing nitrate from water as claimed in any one of claims 1 to 6, wherein: the precision filter (2) comprises a cylinder body, wherein the cylinder body is made of stainless steel materials, and a pp filter element (30) is adopted as a filter element inside the cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321793760.3U CN220887230U (en) | 2023-07-10 | 2023-07-10 | Treatment system for removing nitrate in water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321793760.3U CN220887230U (en) | 2023-07-10 | 2023-07-10 | Treatment system for removing nitrate in water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220887230U true CN220887230U (en) | 2024-05-03 |
Family
ID=90838335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321793760.3U Active CN220887230U (en) | 2023-07-10 | 2023-07-10 | Treatment system for removing nitrate in water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220887230U (en) |
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2023
- 2023-07-10 CN CN202321793760.3U patent/CN220887230U/en active Active
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