CN216764633U - Household improved treatment equipment for distributed rural domestic sewage - Google Patents
Household improved treatment equipment for distributed rural domestic sewage Download PDFInfo
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- CN216764633U CN216764633U CN202123436717.5U CN202123436717U CN216764633U CN 216764633 U CN216764633 U CN 216764633U CN 202123436717 U CN202123436717 U CN 202123436717U CN 216764633 U CN216764633 U CN 216764633U
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- 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
Abstract
The utility model provides a household improved treatment device for distributed rural domestic sewage, which comprises a device shell, wherein a precipitation separation zone, an anaerobic reaction unit, an aerobic reaction unit and a phosphorus removal zone are arranged in the device shell and are sequentially connected through a pipeline, the aerobic reaction unit comprises an aeration system and a filler device, and the phosphorus removal zone comprises a deodorization unit and a disinfection unit. The utility model integrates various physical, chemical and biological methods, fully utilizes the internal space of the equipment, and has the advantages of low cost, small occupied area, good treatment effect, simple later operation and maintenance and the like.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, and particularly relates to household improved treatment equipment for distributed rural domestic sewage.
Background
In recent years, with the steaming date of rural economic development in China, the consumption level and the living style of residents are greatly changed, the quality of life is greatly improved, and a plurality of environmental problems are brought correspondingly. The demand of rural agricultural and domestic water is increased, the discharge amount of the generated rural domestic sewage is increased, the sewage is distributed dispersedly and cannot be treated uniformly, the sewage which is not treated effectively flows into the rural water environment, and the rural water environment problem caused by the sewage flows into the rural water environment is increasingly paid attention.
Under the promotion and encouragement of the current national policies, equipment suitable for treating distributed rural domestic sewage is more and more emphasized, and the development of the treatment equipment suitable for the distributed rural domestic sewage and the corresponding technical field have huge market prospects. At present, a plurality of types of household rural domestic sewage treatment equipment are available on the market, but the equipment has the problems of unstable treatment effect and poor treatment effect of sewage equipment in cold regions, and the equipment is not favorable for standard discharge of sewage. In addition, the installation modes of the household treatment facilities are mostly buried underground, sewage treatment equipment is buried below a frozen soil layer in a simple deep-buried mode, the equipment can bear large soil pressure, the equipment is easy to damage, the service life of the equipment is greatly shortened, the equipment is not beneficial to management and maintenance, and finally the equipment cost, the construction cost and the operation cost of sewage treatment are increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provides household improved treatment equipment for distributed rural domestic sewage, which can effectively treat domestic sewage of distributed households.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a rural domestic sewage's of distributed family improvement treatment facility, includes the equipment shell, be equipped with the precipitation separation district, anaerobic reaction unit, aerobic reaction unit and the dephosphorization district that connect gradually through the pipeline in the equipment shell, aerobic reaction unit includes aeration systems and filler device, the dephosphorization district includes deodorization unit and disinfection unit. The utility model fully utilizes the internal space of the equipment, integrates various devices utilizing physical, chemical and biological methods into the shell of the equipment, occupies small area, has low cost and good sewage treatment effect.
Furthermore, one side of the precipitation separation area is provided with an equipment water inlet, and one side of the phosphorus removal area is provided with an equipment water outlet.
Furthermore, the upper part of the precipitation separation area is provided with an oil separating groove, and the precipitation separation area is connected with the anaerobic reaction unit through a first water passing channel. The sedimentation separation area is equipped with oil separating groove, and the oil pollutant in the sewage can effectively be got rid of in this oil separating groove's setting to effectively avoid oil pollutant and suspended solid to produce negative effects to getting rid of the pollutant.
Furthermore, a detachable anaerobic filler is arranged in the anaerobic reaction unit, the anaerobic filler is a low-density sponge filler, and the anaerobic reaction unit is connected with the aerobic reaction unit through a second water channel. The anaerobic filler is designed to be detachable and replaceable, and the efficiency and effect of sewage treatment are ensured on the basis of facilitating later maintenance and management of equipment.
Furthermore, an ultramicro nano aeration device is also arranged in the aerobic reaction unit, a plurality of aeration heads are arranged on the ultramicro nano aeration device, the aeration heads are arranged at the bottom of the aerobic reaction unit, and the aerobic reaction unit is connected with the phosphorus removal area through a third water channel.
Further, the filling device comprises a strip-shaped filling filled with the aerobic reaction unit, the aeration system comprises an air pump positioned at the top of the device, and the air pump is connected with the aeration device through an air pipe. The aeration system is controlled by the air pump, the air pump can control the aeration speed, the aeration time and the aeration interval, the intermittent aeration working mode can be realized, and the energy consumption of aeration is reduced by the intermittent aeration.
Further, a nitrifying liquid reflux system is further arranged in the equipment shell and comprises nitrifying liquid reflux pipes which are respectively arranged in the anaerobic reaction unit and the aerobic reaction unit, and a liquid pump is mounted on each nitrifying liquid reflux pipe. And the nitrifying liquid return pipe returns the nitrifying liquid in the aerobic reaction unit to the anaerobic reaction unit through a liquid pump.
Furthermore, a deodorization unit and a disinfection unit are arranged at the top of the phosphorus removal zone, and iron-carbon micro-electrolysis filler is arranged in the phosphorus removal zone. The deodorization unit and the disinfection unit are arranged above the dephosphorization zone, so that the space in the equipment can be fully utilized, and the functions of deodorization and disinfection are realized.
Further, the iron-carbon micro-electrolysis filler comprises sponge iron and biochar fired by harvested plant plants, the deodorization unit comprises activated carbon, and an ultraviolet sterilization device is arranged in the disinfection unit. The iron-carbon micro-electrolysis filler is arranged in the dephosphorization zone, and the flocculation precipitation effect is used for removing the phosphorus in the sewage, thereby meeting the requirement of strengthening dephosphorization.
Further, the equipment shell comprises a shell body and an upper cover, wherein the shell body and the upper cover are connected through a detachable nut; the equipment shell is made of heat-insulating materials. The utility model uses the heat insulation material as the equipment shell, thereby ensuring that the equipment can normally run in cold seasons and the treatment effect is stable. At the top installation nut of equipment, the mode of nut is dismantled to the accessible, clears up, maintains the equipment inside, and the work of the inside maintenance management of equipment in the later stage of being convenient for of this design.
Compared with the prior art, the utility model has the advantages that:
1. the utility model provides a household improved treatment device for decentralized rural domestic sewage based on the water quality characteristics of decentralized domestic sewage in China rural areas and the problems of the conventional household sewage treatment device, integrates various physical, chemical and biological methods, fully utilizes the internal space of the device, and has the advantages of low cost, small occupied area, good treatment effect, simple later operation and maintenance and the like;
2. the aerobic reaction unit is provided with the combination of the strip-shaped filler and the ultramicro nano aeration device, and the denitrification efficiency of the aerobic reaction unit is improved by the technical means of removing pollutants by combining physical, chemical and biological methods and the like; the filler is designed into a detachable and replaceable form, so that the efficiency and effect of sewage treatment are ensured on the basis of facilitating later maintenance and management of equipment;
3. the aerobic reaction unit is provided with the ultramicro-nano aeration device, the ultramicro-nano aeration is uniform, the ascending speed is low, the contact area of oxygen and wastewater can be increased, the mass transfer efficiency of the oxygen in water is improved, the concentration of dissolved oxygen in the water is improved, the contact area of pollutants and fillers is increased, the full reaction is promoted, the ultramicro-nano aeration device can also effectively wash the suspended matter deposition on the surfaces of the fillers, the surface passivation effect is removed, the effective contact area between the fillers and the wastewater is increased, and the pollutant removal effect is enhanced.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is a schematic diagram of the apparatus of the present invention;
FIG. 2 is a schematic cross-sectional view of the apparatus of the present invention;
FIG. 3 is a schematic structural view of the anaerobic packing of example 1;
FIG. 4 is a schematic structural view of a belt filler of example 1;
fig. 5 is a schematic structural view of an iron-carbon microelectrolytic filler of example 1.
In the figure, a water inlet 1 of the device, a precipitation separation area 2, an anaerobic reaction unit 3, an aerobic reaction unit 4, a phosphorus removal area 5, a water outlet 6 of the device, a shell 7 of the device, an oil separation tank 8, a first water passage 9, a second water passage 10, an aeration device 11, a strip-shaped filler 12, an iron-carbon micro-electrolysis filler 13, a third water passage 14, a deodorization unit 15, a disinfection unit 16, a nut 17, an air pump 18, a liquid pump 19, an aeration pipeline 20, a nitrifying liquid reflux pipe 21, a filler fixing plate 22 and anaerobic fillers 23.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1 and fig. 2, the household improvement treatment equipment for distributed rural domestic sewage in this embodiment includes an equipment housing 7, a precipitation separation zone 2, an anaerobic reaction unit 3, an aerobic reaction unit 4 and a phosphorus removal zone 5 which are connected in sequence through a pipeline are arranged in the equipment housing 7, an equipment water inlet 1 is arranged on one side of the upper portion of the precipitation separation zone 2, the middle portion of the other side of the precipitation separation zone 2 is connected with the anaerobic reaction unit 3 through a first water channel 9, the anaerobic reaction unit 3 is connected with the aerobic reaction unit 4 through a second water channel 10, the aerobic reaction unit 4 is connected with the phosphorus removal zone 5 through a third water channel 14, and an equipment water outlet 6 is arranged on the other side of the phosphorus removal zone 5. The aerobic reaction unit 4 comprises an aeration system and a filling device, and the phosphorus removal zone 5 comprises a deodorization unit 15 and a disinfection unit 16. The embodiment makes full use of the internal space of the equipment, integrates various devices utilizing physical, chemical and biological methods in the equipment shell 7, and has the advantages of lower cost, smaller occupied area, good treatment effect and simple later-stage operation and maintenance.
The equipment shell 7 of the embodiment comprises a shell body and an upper cover, wherein the shell body and the upper cover are connected through a detachable nut 17; the equipment housing 7 is made of a heat insulating material. The equipment shell 7 of the embodiment uses modified Polypropylene (Polypropylene) heat insulation material, so that the equipment can normally operate in cold seasons and has stable treatment effect. At the top both ends installation nut 17 and the iron sheet of equipment, the accessible is dismantled nut 17's mode, clears up, is maintained the equipment inside, the work of the inside maintenance management of the equipment of the later stage of being convenient for. Still be equipped with the fan shell on this embodiment equipment housing 7, the fan shell is the sound-proof housing, can play the effect that absorbs the fan operation and produce the noise.
The separation area 2 upper portion is equipped with oil separating groove 8 in this embodiment, through setting up oil separating groove 8 and can effectively get rid of the oil pollutant in the sewage to effectively avoid oil pollutant and suspended solid to produce negative effects to the effect of getting rid of the pollutant.
In this embodiment, after the anaerobic reaction unit 3 is located in the precipitation separation zone 2, a detachable anaerobic filler 23 is disposed inside the anaerobic reaction unit 3, and the anaerobic filler 23 is a low-density sponge filler. The anaerobic filler 23 is designed to be detachable and replaceable, and the efficiency and effect of sewage treatment are ensured on the basis of convenient later maintenance and management of equipment.
In this embodiment, the aerobic reaction unit 4 is located behind the anaerobic reaction unit 3, an aeration system, a filling device and an aeration device 11 are arranged in the aerobic reaction unit 4, and the aeration device 11 in this embodiment adopts an ultramicro-nano aeration device. In the embodiment, the aerobic reaction unit 4 combines the strip-shaped filler 12 and the ultramicro-nano aeration device, and combines the technical means of removing pollutants by physical, chemical and biological methods, so that the denitrification efficiency of the aerobic reaction unit 4 is improved.
The ultramicro nanometer aeration device is provided with a plurality of aeration heads which are arranged at the bottom of the aerobic reaction unit 4 and are positioned below the strip-shaped filler 12. The aerobic reaction unit 4 of the embodiment is provided with the ultramicro nano aeration device, the ultramicro nano aeration is uniform, the ascending speed is low, the contact area of oxygen and wastewater can be increased, and the mass transfer efficiency of oxygen in water is improved, so that the concentration of dissolved oxygen in water is improved, the contact area of pollutants and fillers is increased, and the reaction is promoted to be fully carried out. Meanwhile, the ultramicro nano aeration device can effectively wash out the suspended matter deposition on the surface of the filler, remove the surface passivation effect and increase the effective contact area between the filler and the wastewater, thereby enhancing the removal effect of pollutants.
The filling device comprises a strip-shaped filling 12 filled with the aerobic reaction unit 4, the strip-shaped filling 12 is arranged above the aeration device 11 and is arranged on a filling fixing plate 22, and the strip-shaped filling 12 is mainly made of synthetic fibers. The design of this embodiment banded packing 12 is for dismantling, replaceable form, on the basis of the equipment later maintenance management of being convenient for, has guaranteed sewage treatment's efficiency and effect.
The aeration system comprises an air pump 18 positioned at the top of the device, and the air pump 18 is connected with an aeration device 11 positioned at the bottom of the aerobic reaction unit 4 through an aeration pipeline 20. The aeration system of the embodiment is controlled by the air pump 18, and the aeration speed, the aeration time and the aeration interval are controlled by the air pump 18 to realize an intermittent aeration working mode, so that the energy consumption of aeration is reduced by the intermittent aeration. The aeration system of the embodiment is also provided with a fan.
In this embodiment, a nitrifying liquid reflux system is further arranged in the device shell 7, the nitrifying liquid reflux system comprises nitrifying liquid reflux pipes 21 respectively arranged in the anaerobic reaction unit 3 and the aerobic reaction unit 4, and a liquid pump 19 is mounted on each nitrifying liquid reflux pipe 21. The nitrifying liquid return pipe 21 returns the nitrifying liquid in the aerobic reaction unit 4 to the anaerobic reaction unit 3 through the liquid pump 19.
In this embodiment, the phosphorus removal zone 5 is located behind the aerobic reaction unit 4, the side wall of the phosphorus removal zone 5 is provided with an equipment water outlet, the top of the phosphorus removal zone 5 is provided with a deodorization unit 15 and a disinfection unit 16, and the inside of the phosphorus removal zone 5 is provided with an iron-carbon micro-electrolysis filler 13.
The deodorization unit 15 and the disinfection unit 16 are arranged above the dephosphorization zone 5, so that the internal space of the equipment can be fully utilized, and the deodorization and disinfection functions are realized. The raw material of the deodorization unit 15 is activated carbon, and the method used by the disinfection unit 16 is ultraviolet disinfection.
The raw materials of the iron-carbon micro-electrolysis filler 13 are sponge iron and biochar formed by burning harvested plant plants, the iron-carbon micro-electrolysis filler 13 is arranged in the dephosphorization zone 5, and phosphorus in sewage is removed through flocculation precipitation, so that the requirement of enhanced dephosphorization is met.
As shown in fig. 3 to 5, the anaerobic fillers 23, i.e. the sponge fillers, the strip fillers 12 and the iron-carbon micro-electrolysis fillers 13 in the embodiment are designed into drawer type, and the design is detachable and replaceable, so that the efficiency and effect of sewage treatment are ensured on the basis of facilitating the later maintenance and management of the equipment. The anaerobic packing 23, the belt-shaped packing 12 and the iron-carbon micro-electrolysis packing 13 of the present embodiment are respectively placed on the corresponding packing fixing plates.
The sponge filler is arranged in the anaerobic reaction unit 3, and the density of the sponge filler is less than 1g/cm3. The surface of the sponge filler is rough, the effective contact area between bacteria and the filler is increased, the film forming speed is high, and the sponge filler has good ammonia nitrogen oxidation activity.
The main raw material of the strip-shaped filler 12 is synthetic fiber, the raw material is modified in hydrophilic and biological affinity and electrification to a certain degree, and substances which have a promoting effect on the metabolic activity of microorganisms are added, so that the performances of the biomembrane such as membrane hanging speed, membrane hanging amount and stability are improved, and the removal capacity of pollutants is improved.
The iron-carbon micro-electrolysis filler 13 is arranged in the phosphorus removal area 5 and is formed by bonding sponge iron, biochar and polyurethane. When the iron-carbon micro-electrolysis filler 13 is used for treating sewage, a large amount of micro-electrolysis systems are formed due to the 1.23V electrode potential difference between Fe and C, and a large amount of Fe is produced by anode reaction2+Enters waste water and is oxidized into Fe3+And has high adsorption and flocculation activity. The specific principle is as follows:
the iron-carbon micro-electrolysis filler 13 is formed regularly by firing, the problem of separation and hardening is effectively avoided by strengthening the contact of the cathode and the anode of the regular filler, and a large number of micro primary cells are arranged on the surface of the regular filler, so that the phosphorus removal performance is enhanced.
The principle of the household improved treatment equipment for the distributed rural domestic sewage in the embodiment is that the sewage firstly enters the precipitation separation area 2 through the equipment water inlet 1, the precipitation separation area 2 is provided with the oil separation tank 8, the arrangement of the oil separation tank 8 reduces the negative influence of oil pollutants on the denitrification and dephosphorization reaction, prevents the equipment pipeline from being blocked, and prolongs the service life of the equipment. After the domestic sewage treated by oil separation and sand setting enters the anaerobic reaction unit 3 through the first water passage 9, heterotrophic bacteria ammonify pollutants such as protein, fat and the like through sponge fillers and anaerobic conditions of the anaerobic reaction unit 3, hydrolyze carbon sources in water,improves the biodegradability of the sewage and can remove COD in the sewage. The ammoniated sewage enters the aerobic reaction unit 4 through the second water passage 10, and nitrogen in the sewage is treated under the combined action of the strip-shaped filler 12 of the aerobic reaction unit 4 and the intermittent aeration system: under the aerobic condition and the action of the strip-shaped filler 12, the autotrophic bacteria nitrification oxidizes the ammonia nitrogen in the sewage into nitrate nitrogen. The oxidized nitrified liquid flows back to the anaerobic reaction unit 3 through the return pipe, and nitrate nitrogen is reduced into nitrogen under the anaerobic condition through the denitrification of heterotrophic bacteria, so that nitrogen is removed. The treated sewage flows into a phosphorus removal area 5, and phosphorus in the sewage is removed through flocculation and precipitation of an iron-carbon micro-electrolysis filler 13: the iron-carbon micro-electrolysis filler 13 in the phosphorus removal zone 5 has an electrode potential difference of 1.23V between Fe and C, so that a large amount of micro-electrolysis systems are formed, and a large amount of Fe is produced by anode reaction2+Enters waste water and is oxidized into Fe3+And flocculants with high adsorption and flocculation activities, which can remove phosphorus in sewage through flocculation and precipitation. The sewage from which pollutants such as COD, nitrogen and phosphorus are removed sequentially enters the deodorization unit 15 and the disinfection unit 16 through overflow and finally flows out of the equipment through the equipment water outlet 6.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments, or alternatives may be employed, by those skilled in the art, without departing from the spirit or ambit of the utility model as defined in the appended claims.
Claims (10)
1. The household improved treatment equipment for the distributed rural domestic sewage is characterized by comprising an equipment shell (7), wherein a precipitation separation zone (2), an anaerobic reaction unit (3), an aerobic reaction unit (4) and a phosphorus removal zone (5) which are sequentially connected through a pipeline are arranged in the equipment shell (7), the aerobic reaction unit (4) comprises an aeration system and a filler device, and the phosphorus removal zone (5) comprises a deodorization unit (15) and a disinfection unit (16).
2. The household improved treatment equipment for distributed rural domestic sewage according to claim 1, wherein one side of the precipitation separation zone (2) is provided with an equipment water inlet (1), and one side of the phosphorus removal zone (5) is provided with an equipment water outlet (6).
3. The household improvement treatment equipment for distributed rural domestic sewage according to claim 1, characterized in that the upper part of the precipitation separation area (2) is provided with an oil separation tank (8), and the precipitation separation area (2) is connected with the anaerobic reaction unit (3) through a first water passing channel (9).
4. The household improvement treatment equipment for the distributed rural domestic sewage according to claim 1, wherein the anaerobic reaction unit (3) is internally provided with a detachable anaerobic filler (23), the anaerobic filler (23) is a sponge filler with low density, and the anaerobic reaction unit (3) is connected with the aerobic reaction unit (4) through a second water passage (10).
5. The household improved treatment equipment for the distributed rural domestic sewage according to claim 1, wherein the aerobic reaction unit (4) is further provided with an ultramicro nano aeration device (11), the ultramicro nano aeration device (11) is provided with a plurality of aeration heads, the aeration heads are arranged at the bottom of the aerobic reaction unit (4), and the aerobic reaction unit (4) is connected with the phosphorus removal zone (5) through a third water channel (14).
6. Household improved treatment equipment for decentralized rural domestic sewage according to claim 5, characterized in that said filling means comprises a strip-like filling (12) filled with aerobic reaction units (4), said aeration system comprises an air pump (18) at the top of the equipment, said air pump (18) is connected to the aeration means (11) through an aeration pipe (20).
7. The household improvement treatment equipment for distributed rural domestic sewage according to claim 1, wherein a nitrifying liquid return system is further arranged in the equipment housing (7), the nitrifying liquid return system comprises nitrifying liquid return pipes (21) which are respectively arranged in the anaerobic reaction unit (3) and the aerobic reaction unit (4), and the nitrifying liquid return pipes (21) are provided with liquid pumps (19).
8. The household improvement treatment equipment for the distributed rural domestic sewage according to claim 1, wherein the top of the phosphorus removal area (5) is provided with a deodorization unit (15) and a disinfection unit (16), and the inside of the phosphorus removal area (5) is also provided with an iron-carbon micro-electrolysis filler (13).
9. The household improvement treatment equipment for distributed rural domestic sewage according to claim 8, wherein the iron-carbon micro-electrolysis filler (13) comprises sponge iron and biochar fired by harvested plant plants, the deodorization unit (15) comprises activated carbon, and the disinfection unit (16) is internally provided with an ultraviolet sterilization device.
10. Household improved treatment equipment for decentralized rural domestic sewage according to claim 1, characterized in that said equipment housing (7) comprises a housing and an upper cover, said housing and upper cover being connected by means of a detachable nut (17); the equipment shell (7) is made of heat-insulating materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123436717.5U CN216764633U (en) | 2021-12-30 | 2021-12-30 | Household improved treatment equipment for distributed rural domestic sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123436717.5U CN216764633U (en) | 2021-12-30 | 2021-12-30 | Household improved treatment equipment for distributed rural domestic sewage |
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| Publication Number | Publication Date |
|---|---|
| CN216764633U true CN216764633U (en) | 2022-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123436717.5U Active CN216764633U (en) | 2021-12-30 | 2021-12-30 | Household improved treatment equipment for distributed rural domestic sewage |
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| CN (1) | CN216764633U (en) |
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2021
- 2021-12-30 CN CN202123436717.5U patent/CN216764633U/en active Active
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