CN117430247A - Drinking water nitrogen-reducing purifying equipment - Google Patents
Drinking water nitrogen-reducing purifying equipment Download PDFInfo
- Publication number
- CN117430247A CN117430247A CN202311664355.6A CN202311664355A CN117430247A CN 117430247 A CN117430247 A CN 117430247A CN 202311664355 A CN202311664355 A CN 202311664355A CN 117430247 A CN117430247 A CN 117430247A
- Authority
- CN
- China
- Prior art keywords
- pipe
- sedimentation tank
- nitrification
- biological reaction
- reaction tube
- 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.)
- Granted
Links
- 239000003651 drinking water Substances 0.000 title claims abstract description 23
- 235000020188 drinking water Nutrition 0.000 title claims abstract description 14
- 238000004062 sedimentation Methods 0.000 claims abstract description 78
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 68
- 238000000926 separation method Methods 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 35
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000001301 oxygen Substances 0.000 claims abstract description 28
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 28
- 230000001546 nitrifying effect Effects 0.000 claims abstract description 27
- 238000005273 aeration Methods 0.000 claims abstract description 24
- 241000894006 Bacteria Species 0.000 claims abstract description 14
- 238000007599 discharging Methods 0.000 claims description 26
- 238000000746 purification Methods 0.000 claims description 12
- 239000012535 impurity Substances 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 8
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 7
- 230000009467 reduction Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005352 clarification Methods 0.000 claims description 2
- 235000012206 bottled water Nutrition 0.000 claims 9
- 238000005192 partition Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000008239 natural water Substances 0.000 description 3
- JVMRPSJZNHXORP-UHFFFAOYSA-N ON=O.ON=O.ON=O.N Chemical compound ON=O.ON=O.ON=O.N JVMRPSJZNHXORP-UHFFFAOYSA-N 0.000 description 2
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000005276 aerator Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000001651 autotrophic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/22—O2
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses a drinking water nitrogen-reducing purifying device, which is characterized by comprising a sedimentation tank; the top end of the biological reaction tube extends into the sedimentation tank, and the bottom end extends out of the bottom of the sedimentation tank; a partition pipe; the nitrification channel is arranged outside the separation pipe, and is communicated with the biological reaction pipe; an aeration pipe is arranged in each nitrification channel; the nitrifying filter material is filled in each nitrifying channel, and nitrifying bacteria are attached to the nitrifying filter material; the denitrification filter material is filled between the biological reaction tube and the separation tube; a water oxygen content sensor; by arranging the water oxygen content sensor, the oxygen content in water can be detected before the water enters the denitrification filter material through the nitrification channel, and whether the oxygen content in water affects denitrification reaction at the moment is judged, so that the oxygen amount introduced into the nitrification channel by the aeration pipe is controlled.
Description
Technical Field
The invention relates to the technical field of drinking water purification, in particular to a device for purifying nitrogen in drinking water.
Background
With the high-speed development of economy, a large amount of industrial wastewater, domestic sewage and farmland drainage enter the natural water body, so that the nitrogen content in the natural water body is greatly out of standard, and the quality of the natural water body is greatly reduced.
When nitrogen in drinking water is treated, a biological denitrification mode is often used, the biological denitrification mainly comprises two processes, wherein the first process is a nitrification reaction for oxidizing ammonia nitrogen into nitrate nitrogen and nitrite nitrogen, the second process is a denitrification reaction for reducing nitrate nitrogen or nitrite nitrogen into nitrogen, the nitrification reaction is completed by autotrophic bacteria under aerobic conditions, and the denitrification reaction is completed by heterotrophic bacteria under anoxic conditions; in the traditional biological filter, in order to ensure the ammonia nitrogen removal effect, the biological filter adopts a mode of bottom excessive aeration, oxygen can not be fully utilized in the actual operation process, the nitrification reaction mainly occurs in the front section of the filter material layer, and in the back end filter material layer, as ammonia nitrogen is greatly consumed, the utilization rate of the oxygen is greatly reduced, organic matters replace ammonia nitrogen to be utilized as electron donors by some denitrifying bacteria, and in fact, nitrate is needed to be used as an electron acceptor for biological denitrification in the anaerobic environment or the anoxic environment in the back end filter material layer, in this case, the existence of oxygen plays a role in inhibiting instead, and the biological denitrification process is influenced, so that a drinking water purifying device is needed to be provided to solve the problems.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide the drinking water nitrogen-reducing purification equipment, which can detect the oxygen content in water before the water enters a denitrification filter material through a nitrification channel by arranging the water oxygen content sensor, and judge whether the oxygen content in water can influence denitrification reaction at the moment, so as to control the oxygen amount introduced into the nitrification channel by an aerator pipe.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a drinking water nitrogen reduction clarification plant, includes the sedimentation tank, the one end of sedimentation tank is the water inlet end, and the other end is the water outlet end, the sedimentation tank is used for carrying out sedimentation to the particulate impurity among the drinking water;
the biological reaction tube is arranged at the water outlet end of the sedimentation tank, one end of the top of the biological reaction tube extends into the sedimentation tank, one end of the bottom of the biological reaction tube extends out of the bottom of the sedimentation tank, and the top and the bottom of the biological reaction tube are arranged in a sealing manner;
the bottom end of the separation tube is inserted into the biological reaction tube, a gap is reserved between the bottom end of the separation tube and the bottom of the biological reaction tube, and the top end of the separation tube extends upwards out of the biological reaction tube and the sedimentation tank;
the nitrification channel is arranged outside the separation pipe, and is communicated with the biological reaction pipe;
an aeration pipe is arranged in each nitrification channel, and a plurality of aeration holes are arranged outside the aeration pipe;
the nitrifying filter material is filled in each nitrifying channel, and nitrifying bacteria are attached to the nitrifying filter material;
the denitrification filter material is filled between the biological reaction tube and the separation tube, the height of the denitrification filter material is lower than that of the lowest nitrification channel, and denitrification bacteria are attached to the denitrification filter material;
and a water oxygen content sensor disposed between the bioreactor tube and the separator tube and above the denitrification filter.
The invention is further provided with: the biological reaction tube is fixedly connected with a plurality of guide parts which are arranged around the biological reaction tube, the nitrification channels are arranged in the guide parts, a plurality of nitrification channels are arranged in each guide part, and the plurality of nitrification channels in the guide parts are distributed in the guide parts along the vertical direction.
The invention is further provided with: the nitrification channel is arranged horizontally in an S shape.
The invention is further provided with: the guide part is provided with an air supply pipe which vertically passes through the plurality of nitrification channels on the guide part and is connected with a plurality of aeration pipes in the plurality of nitrification channels so as to supply air for the plurality of aeration pipes.
The invention is further provided with: the air supply pipe is fixedly connected with the air supply pipe;
and one end of the air inlet pipe is fixedly connected to the connecting pipe, and the other end of the air inlet pipe extends upwards out of the sedimentation tank and is connected with the air supply equipment.
The invention is further provided with: the water outlet pipe extends into the separation pipe from top to bottom, and is used for delivering water entering the separation pipe.
The invention is further provided with: the device comprises a biological reaction tube, a separation tube, a biological reaction tube, a guide plate, a first guide plate and a second guide plate, wherein the guide plate is arranged between the separation tube and the biological reaction tube and is in annular arrangement, the guide plates are all arranged into annular plates, the guide plate is divided into the first guide plate and the second guide plate, the first guide plate is fixedly connected to the inner wall of the biological reaction tube, a gap is reserved between the inner side of the first guide plate and the separation tube, the second guide plate is fixedly connected to the outer wall of the separation tube, and a gap is reserved between the outer side of the second guide plate and the inner wall of the biological reaction tube;
the first guide plates and the second guide plates are staggered in the vertical direction.
The invention is further provided with: and nitrifying filter materials are filled between the adjacent first guide plate and the second guide plate.
The invention is further provided with: the bottom of the inner cavity of the sedimentation tank is provided with a plurality of sedimentation tanks, the sedimentation tanks are distributed along the length direction of the sedimentation tank, the length direction of the sedimentation tank is arranged along the direction from the water inlet end to the water outlet end of the sedimentation tank, and the length direction of the sedimentation tank is arranged along the width direction of the sedimentation tank;
one end of the sedimentation tank is provided with a discharging pipe fixedly connected outside the sedimentation tank, and discharging mechanisms for delivering out granular impurities in the sedimentation tank are arranged in the discharging pipe and the sedimentation tank.
The invention is further provided with: the discharging pipe bottom fixedly connected with unloading pipe, the blown down pipe bottom sets up to the semicircle type, the blown down pipe sets up to the pipe, and the blown down pipe sets up with the bottom is coaxial of blown down tank, and the internal diameter of blown down pipe equals the diameter of blown down tank, and discharge mechanism is including rotating the pivot of connecting on blown down pipe and sedimentation tank and fixed connection helical blade outside the pivot, and pivot and the coaxial setting of blown down pipe, helical blade encircle the axis spiral setting of pivot, helical blade's outside and subsider bottom and the laminating of blown down pipe inner wall.
In summary, compared with the prior art, the invention has the following beneficial effects: according to the invention, the oxygen content in water can be detected by arranging the water oxygen content sensor before the water enters the denitrification filter material through the nitrification channel, and whether the oxygen content in water can affect the denitrification reaction at the moment is judged, so that the oxygen amount introduced into the nitrification channel by the aeration pipe is controlled.
Drawings
FIG. 1 is a schematic view of the overall structure of an embodiment;
FIG. 2 is a cross-sectional view of the overall structure of the embodiment;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
FIG. 4 is an enlarged schematic view of portion B of FIG. 3;
FIG. 5 is a schematic diagram of an embodiment of a guide;
FIG. 6 is an enlarged schematic view of portion C of FIG. 5;
fig. 7 is an enlarged schematic view of a portion D of fig. 5.
In the figure: 1. a sedimentation tank; 11. a settling tank; 2. a biological reaction tube; 3. a partition pipe; 4. a water outlet pipe; 5. a guide section; 51. a nitrification channel; 52. nitrifying filter materials; 53. an aeration pipe; 54. an air supply pipe; 55. a connecting pipe; 56. an air inlet pipe; 6. a water oxygen content sensor; 7. denitrification filter material; 71. a first guide plate; 72. a second guide plate; 8. a discharge pipe; 81. discharging pipes; 9. a discharging mechanism; 91. a rotating shaft; 92. helical blades.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without making creative efforts should fall within the scope of protection of the present application. In addition, directional words such as "upper", "lower", "left", "right", and the like, as used in the following embodiments are merely directions with reference to the drawings, and thus, the directional words used are intended to illustrate, not to limit, the invention.
The invention will be further described with reference to the drawings and preferred embodiments.
Examples: a drinking water nitrogen reduction purification apparatus, see fig. 1-7, comprises a sedimentation tank 1, a biological reaction tube 2 arranged as a circular tube with a vertical axis, a separation tube 3 inserted into the biological reaction tube 2 and arranged as a circular tube with a vertical axis, a plurality of nitrification channels 51 arranged outside the biological reaction tube 2, an aeration tube 53 arranged in the nitrification channels 51, a nitrification filter material 52 arranged in the nitrification channels 51, a denitrification filter material 7 arranged between the biological reaction tube 2 and the separation tube 3, and a water oxygen content sensor 6 arranged between the biological reaction tube 2 and the separation tube 3. The length direction level of sedimentation tank 1 sets up, and sedimentation tank 1's one end is the end of intaking, and the other end is the end of yielding, and sedimentation tank 1 is arranged in settling the particulate impurity in the drinking water. The biological reaction tube 2 is arranged at the water outlet end of the sedimentation tank 1, one end of the top of the biological reaction tube 2 extends into the sedimentation tank 1, one end of the bottom extends out of the bottom of the sedimentation tank 1, and the top and the bottom of the biological reaction tube 2 are arranged in a sealing way. One end of the bottom of the separation tube 3 is inserted into the biological reaction tube 2, a gap is reserved between one end of the bottom of the separation tube 3 and the bottom of the biological reaction tube 2, and one end of the top of the separation tube 3 extends upwards out of the biological reaction tube 2 and the sedimentation tank 1. A plurality of aeration holes are arranged outside the aeration pipe 53, and the aeration pipe 53 introduces oxygen into the water in the nitrification channel 51 through the aeration holes. Nitrifying bacteria are attached to the nitrifying filter material 52, the height of the denitrifying filter material 7 is lower than that of the nitrifying channel 51 positioned at the lowest position, and denitrifying bacteria are attached to the denitrifying filter material 7. A water oxygen content sensor 6 is arranged between the bioreactor tube 2 and the separator tube 3 and above the denitrification filter 7.
The water firstly enters the sedimentation tank 1, during the process of flowing from the water inlet end to the water outlet end of the sedimentation tank 1, impurity particles in the water downwards settle to the bottom of the sedimentation tank 1, when the water enters the water outlet end of the sedimentation tank 1, the water enters the nitrification channel 51, the water contacts nitrifying bacteria in the nitrifying filter material 52 in the nitrifying channel 51, then the nitrifying reaction is carried out under the action of oxygen introduced by the aeration pipe 53, the water enters between the biological reaction pipe 2 and the separation pipe 3 and downwards flows, passes through the denitrifying filter material 7 during the downwards flowing process and contacts denitrifying bacteria in the denitrifying filter material 7, the denitrifying reaction is carried out through the denitrifying bacteria, and then the water enters the separation pipe 3. Through the water oxygen content sensor 6, before water enters the denitrification filter 7 through the nitrification channel 51, the oxygen content in the water can be detected, and whether the oxygen content in the water can affect the denitrification reaction at the moment is judged, so that the oxygen amount introduced into the nitrification channel 51 by the aerator pipe 53 is controlled.
Specifically, the outside of the bioreactor tube 2 is fixedly connected with a plurality of guide parts 5 which are arranged around the bioreactor tube 2, the nitrification channels 51 are arranged in the guide parts 5, a plurality of nitrification channels 51 are arranged in each guide part 5, and a plurality of nitrification channels 51 in the guide parts 5 are arranged in the guide parts 5 along the vertical direction. The nitrification channel 51 is horizontally disposed in an S-shape. By setting the nitrifying channel 51 to be S-shaped, water can be sufficiently contacted with nitrifying bacteria during the process of flowing through the nitrifying channel 51.
Specifically, the guide part 5 is provided with an air supply pipe 54, and the air supply pipe 54 vertically passes through the plurality of nitrification passages 51 on the guide part 5 and is connected with the plurality of aeration pipes 53 in the plurality of nitrification passages 51 to supply air to the plurality of aeration pipes 53. Specifically, the embodiment further includes a connection pipe 55 and an air inlet pipe 56, the connection pipe 55 is in a ring shape, and the top of the air supply pipe 54 is fixedly connected to the connection pipe 55; one end of the air inlet pipe 56 is fixedly connected to the connecting pipe 55, and the other end extends upward out of the sedimentation tank 1 and is connected to an air supply device.
Specifically, this embodiment further includes a water outlet pipe 4, where the water outlet pipe 4 extends into the partition pipe 3 from top to bottom, and the water outlet pipe 4 is used to send out water that enters into the partition pipe 3. The water is pumped out of the separation tube 3 through the water outlet tube 4, so that the liquid level in the separation tube 3 is lowered, and under the action of air pressure, the water is driven to flow downwards from the sedimentation tank 1 to the nitrification channel 51, then enters between the separation tube 3 and the biological reaction tube 2, and finally enters the separation tube 3 around one end of the bottom of the separation tube 3. The flow process of water is natural flow, the flow rate of water is slower, the sufficient time of nitrification and denitrification is given, the time of water nitrification and denitrification can be controlled only by setting the length of the nitrification channel 51 and the length of the denitrification filler according to the flow rate of water, the flow rate of water does not need to be controlled by a water pump and the like, and the time of nitrification and denitrification is further controlled, so that the time of nitrification and denitrification is controlled more accurately, and the cost is saved.
Specifically, be provided with the guide board that is annular setting between separating tube 3 and the biological reaction tube 2, guide board all sets up to the annular board, and guide board divide into first guide board 71 and second guide board 72, and first guide board 71's fixed connection leaves the clearance on biological reaction tube 2 inner wall and between first guide board 71 inboard and separating tube 3, and second guide board 72 fixed connection leaves the clearance on separating tube 3 outer wall between second guide board 72 outside and the biological reaction tube 2 inner wall. The first guide plates 71 and the second guide plates 72 are staggered in the vertical direction, and the nitrifying filter materials 52 are filled between the adjacent first guide plates 71 and second guide plates 72. By the arrangement of the first guide plate 71 and the second guide plate 72 the length of the path of water through the denitrification filter 7 is increased for a limited length.
Specifically, the bottom of the inner cavity of the sedimentation tank 1 is provided with a plurality of sedimentation tanks 11, the sedimentation tanks 11 are distributed along the length direction of the sedimentation tank 1, the length direction of the sedimentation tank 1 is arranged along the direction from the water inlet end to the water outlet end of the sedimentation tank 1, and the length direction of the sedimentation tank 11 is arranged along the width direction of the sedimentation tank 1; one end of the sedimentation tank 11 is provided with a discharging pipe 8 fixedly connected outside the sedimentation tank 1, and a discharging mechanism 9 for delivering out granular impurities in the sedimentation tank 11 is arranged in the discharging pipe 8 and the sedimentation tank 11.
The granular impurities settled to the bottom of the sedimentation tank 1 enter the sedimentation tank 11, are collected in the sedimentation tank 11 and then are sent into the discharge pipe 8 through the discharge mechanism 9, so that the granular impurities are sent out from the sedimentation tank 1.
Specifically, discharging pipe 8 bottom fixedly connected with unloading pipe 81, the setting of subsider 11 bottom is the semicircle, discharging pipe 8 sets up to the pipe, and discharging pipe 8 and the coaxial setting of bottom of subsider 11, and discharging pipe 8's internal diameter equals the diameter of subsider 11, and discharge mechanism 9 is including rotating the pivot 91 of connecting on discharging pipe 8 and subsider 1 to and fixed connection helical blade 92 outside pivot 91, and pivot 91 and the coaxial setting of discharging pipe 8, helical blade 92 encircles the axis spiral setting of pivot 91, helical blade 92's outside and the laminating of subsider 11 bottom and discharging pipe 8 inner wall.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (10)
1. A drinking water nitrogen reduction clarification plant, its characterized in that: the device comprises a sedimentation tank (1), wherein one end of the sedimentation tank (1) is a water inlet end, the other end of the sedimentation tank is a water outlet end, and the sedimentation tank (1) is used for sedimentation of granular impurities in drinking water;
the biological reaction tube (2) is arranged at the water outlet end of the sedimentation tank (1), one end of the top of the biological reaction tube (2) extends into the sedimentation tank (1), one end of the bottom extends out of the bottom of the sedimentation tank (1), and the top and the bottom of the biological reaction tube (2) are arranged in a sealing manner;
the separation tube (3), one end of the bottom of the separation tube (3) is inserted into the biological reaction tube (2), a gap is reserved between one end of the bottom of the separation tube (3) and the bottom of the biological reaction tube (2), and one end of the top of the separation tube (3) extends upwards out of the biological reaction tube (2) and the sedimentation tank (1);
a plurality of nitrification channels (51) are arranged outside the separation pipe (3), and the nitrification channels (51) are communicated with the biological reaction pipe (2);
an aeration pipe (53), each nitrification channel (51) is internally provided with an aeration pipe (53), and a plurality of aeration holes are arranged outside the aeration pipe (53);
a nitrifying filter material (52), each nitrifying channel (51) is filled with the nitrifying filter material (52), and nitrifying bacteria are attached to the nitrifying filter material (52);
the denitrification filter material (7), the denitrification filter material (7) is filled between the biological reaction tube (2) and the separation tube (3), the height of the denitrification filter material (7) is lower than the height of the lowest nitrification channel (51), and denitrification bacteria are attached to the denitrification filter material (7);
and a water oxygen content sensor (6), wherein the water oxygen content sensor (6) is arranged between the biological reaction tube (2) and the separation tube (3) and is positioned above the denitrification filter material (7).
2. A potable water nitrogen-reducing purification apparatus as defined in claim 1, characterized in that: the biological reaction tube (2) is fixedly connected with a plurality of guide parts (5) which encircle the biological reaction tube (2) and are arranged, the nitrification channels (51) are arranged in the guide parts (5), a plurality of nitrification channels (51) are arranged in each guide part (5), and the nitrification channels (51) in the guide parts (5) are distributed in the guide parts (5) along the vertical direction.
3. A potable water nitrogen-reducing purification apparatus as defined in claim 2, characterized in that: the nitrification channel (51) is horizontally arranged in an S shape.
4. A potable water nitrogen-reducing purification apparatus as defined in claim 3, characterized in that: an air supply pipe (54) is arranged on the guide part (5), and the air supply pipe (54) vertically penetrates through a plurality of nitrification channels (51) on the guide part (5) and is connected with a plurality of aeration pipes (53) in the plurality of nitrification channels (51) to supply air for the plurality of aeration pipes (53).
5. A potable water nitrogen reduction purification apparatus as defined in claim 4, wherein: the device also comprises a connecting pipe (55), wherein the connecting pipe (55) is in annular arrangement, and the top of the air supply pipe (54) is fixedly connected to the connecting pipe (55);
and one end of the air inlet pipe (56) is fixedly connected to the connecting pipe (55), and the other end of the air inlet pipe (56) extends out of the sedimentation tank (1) upwards and is connected with air supply equipment.
6. A potable water nitrogen reduction purification apparatus as defined in claim 5, wherein: the water outlet pipe (4) extends into the separation pipe (3) from top to bottom, and the water outlet pipe (4) is used for delivering water entering the separation pipe (3).
7. A potable water nitrogen reduction purification apparatus as defined in claim 6, wherein: guide plates which are annularly arranged are arranged between the separation tube (3) and the biological reaction tube (2), the guide plates are all annular plates, the guide plates are divided into a first guide plate (71) and a second guide plate (72), the first guide plate (71) is fixedly connected to the inner wall of the biological reaction tube (2), a gap is reserved between the inner side of the first guide plate (71) and the separation tube (3), the second guide plate (72) is fixedly connected to the outer wall of the separation tube (3), and a gap is reserved between the outer side of the second guide plate (72) and the inner wall of the biological reaction tube (2);
the first guide plates (71) and the second guide plates (72) are staggered in the vertical direction.
8. A potable water nitrogen reduction purification apparatus as defined in claim 7, wherein: a nitrifying filter material (52) is filled between the adjacent first guide plate (71) and the second guide plate (72).
9. A potable water nitrogen-reducing purification apparatus as defined in claim 8, characterized in that: the bottom of the inner cavity of the sedimentation tank (1) is provided with a plurality of sedimentation tanks (11), the sedimentation tanks (11) are distributed along the length direction of the sedimentation tank (1), the length direction of the sedimentation tank (1) is arranged along the direction from the water inlet end to the water outlet end of the sedimentation tank (1), and the length direction of the sedimentation tank (11) is arranged along the width direction of the sedimentation tank (1);
one end of the sedimentation tank (11) is provided with a discharging pipe (8) fixedly connected outside the sedimentation tank (1), and a discharging mechanism (9) for delivering out granular impurities in the sedimentation tank (11) is arranged in the discharging pipe (8) and the sedimentation tank (11).
10. A potable water nitrogen-reducing purification apparatus as defined in claim 9, characterized in that: discharging pipe (8) bottom fixedly connected with unloading pipe (81), subsider (11) bottom sets up to the semicircle type, discharging pipe (8) set up to the pipe, and discharging pipe (8) are coaxial with the bottom of subsider (11) and are set up, and discharging pipe (8) internal diameter equals the diameter of subsider (11), and discharge mechanism (9) are including rotating pivot (91) of connecting on discharging pipe (8) and subsider (1) to and helical blade (92) of fixed connection outside pivot (91), pivot (91) and coaxial setting of discharging pipe (8), and helical blade (92) encircle the axis spiral setting of pivot (91), and the outside of helical blade (92) is laminated with subsider (11) bottom and discharging pipe (8) inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311664355.6A CN117430247B (en) | 2023-12-06 | 2023-12-06 | Drinking water nitrogen-reducing purifying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311664355.6A CN117430247B (en) | 2023-12-06 | 2023-12-06 | Drinking water nitrogen-reducing purifying equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117430247A true CN117430247A (en) | 2024-01-23 |
| CN117430247B CN117430247B (en) | 2024-06-18 |
Family
ID=89550051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311664355.6A Active CN117430247B (en) | 2023-12-06 | 2023-12-06 | Drinking water nitrogen-reducing purifying equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117430247B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08252596A (en) * | 1995-03-16 | 1996-10-01 | Ishikawajima Harima Heavy Ind Co Ltd | Nitrating and denitrifying method and device therefor |
| CN110713256A (en) * | 2019-10-14 | 2020-01-21 | 上海理工大学 | Biological pipe culvert reaction unit |
| CN111018117A (en) * | 2020-02-07 | 2020-04-17 | 郭俊辉 | Water body denitrification method and water body denitrification and purification device |
| CN114455782A (en) * | 2022-03-01 | 2022-05-10 | 江西挺进环保科技股份有限公司 | Embedded short-cut nitrification coupling denitrification device for inorganic ammonia nitrogen wastewater |
| CN216785805U (en) * | 2022-01-22 | 2022-06-21 | 山西通洲煤焦集团股份有限公司 | Dredging device for sewage purification |
| CN217498846U (en) * | 2022-06-25 | 2022-09-27 | 深圳市播绿者生态科技股份有限公司 | Autotrophic denitrification advanced denitrification sewage treatment device |
| CN219079298U (en) * | 2022-12-30 | 2023-05-26 | 河南翊正环保科技有限公司 | Efficient sewage treatment device |
| CN117164151A (en) * | 2023-09-18 | 2023-12-05 | 广东绿鑫环保工程有限公司 | Integrated treatment method for nitrification and denitrification reaction |
-
2023
- 2023-12-06 CN CN202311664355.6A patent/CN117430247B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08252596A (en) * | 1995-03-16 | 1996-10-01 | Ishikawajima Harima Heavy Ind Co Ltd | Nitrating and denitrifying method and device therefor |
| CN110713256A (en) * | 2019-10-14 | 2020-01-21 | 上海理工大学 | Biological pipe culvert reaction unit |
| CN111018117A (en) * | 2020-02-07 | 2020-04-17 | 郭俊辉 | Water body denitrification method and water body denitrification and purification device |
| CN216785805U (en) * | 2022-01-22 | 2022-06-21 | 山西通洲煤焦集团股份有限公司 | Dredging device for sewage purification |
| CN114455782A (en) * | 2022-03-01 | 2022-05-10 | 江西挺进环保科技股份有限公司 | Embedded short-cut nitrification coupling denitrification device for inorganic ammonia nitrogen wastewater |
| CN217498846U (en) * | 2022-06-25 | 2022-09-27 | 深圳市播绿者生态科技股份有限公司 | Autotrophic denitrification advanced denitrification sewage treatment device |
| CN219079298U (en) * | 2022-12-30 | 2023-05-26 | 河南翊正环保科技有限公司 | Efficient sewage treatment device |
| CN117164151A (en) * | 2023-09-18 | 2023-12-05 | 广东绿鑫环保工程有限公司 | Integrated treatment method for nitrification and denitrification reaction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117430247B (en) | 2024-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103755102B (en) | Garlic wastewater treatment method and device | |
| CN104528932B (en) | A kind of advanced treatment of wastewater denitrification bio-filter apparatus system and process technique | |
| CN204474402U (en) | A kind of advanced treatment of wastewater denitrification bio-filter apparatus system | |
| CN117105462A (en) | Food processing wastewater treatment system and method | |
| CN117430247B (en) | Drinking water nitrogen-reducing purifying equipment | |
| CN207002512U (en) | A kind of New-type refuse vehicle percolation liquid treating system | |
| CN206616115U (en) | A kind of two-stage A BAF textile waste processing units | |
| CN113716815B (en) | A integration sled dress device for handling high nitrogen phosphorus content domestic sewage | |
| CN113830891A (en) | Sewage treatment device and method based on aerobic granular sludge process | |
| CN209456151U (en) | A kind of multistage A/O-MBR integrated sewage treating apparatus | |
| CN111995041A (en) | Device and method for removing nitrate in drinking water | |
| CN211226832U (en) | Pharmacy effluent disposal system | |
| CN111115797A (en) | Separation device, sewage treatment system and sewage treatment method | |
| CN220165980U (en) | Sewage treatment device | |
| CN212740869U (en) | Double-carrier biological treatment tank for advanced sewage treatment | |
| CN215712415U (en) | Sewage secondary treatment device | |
| CN213708064U (en) | Processing system of Lurgi crushed coal pressure gasification waste water | |
| CN114105297B (en) | Continuous flow self-circulation aerobic granular sludge processor | |
| CN211971892U (en) | Separation device and sewage treatment system | |
| CN219907300U (en) | High-efficient bean products waste water treatment biochemical system | |
| CN219709274U (en) | Anaerobic and aerobic biological clarification tank | |
| CN211971891U (en) | Separation device and sewage treatment system | |
| CN219709269U (en) | Biological clarifier device | |
| CN211971890U (en) | Separation device and sewage treatment system | |
| CN211111572U (en) | High-toxicity and degradation-resistant wastewater treatment system |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |