CN213037622U - Domestic sewage integrated treatment device - Google Patents
Domestic sewage integrated treatment device Download PDFInfo
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- CN213037622U CN213037622U CN202021407669.XU CN202021407669U CN213037622U CN 213037622 U CN213037622 U CN 213037622U CN 202021407669 U CN202021407669 U CN 202021407669U CN 213037622 U CN213037622 U CN 213037622U
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Abstract
The utility model discloses a domestic sewage integrated treatment device, which is made of glass fiber reinforced plastic and is divided into a grid adjusting tank, an anoxic tank, an aerobic tank and a sedimentation tank in sequence; the grid adjusting tank is used for filtering domestic sewage entering the grid adjusting tank, and the domestic sewage discharged by the grid adjusting tank enters the anoxic tank; domestic sewage discharged from the anoxic tank enters the aerobic tank; the aerobic tank is used for decomposing and nitrifying organic matters in the entering domestic sewage, one part of the domestic sewage in the aerobic tank enters the sedimentation tank, and the other part of the domestic sewage in the aerobic tank flows back to enter the anoxic tank; the sedimentation tank is used for removing suspended matters in the entering domestic sewage and obtaining purified water. The domestic sewage integrated treatment device has the advantages of high strength, corrosion resistance, long service life and convenience in installation.
Description
Technical Field
The utility model relates to a sewage treatment technical field especially relates to domestic sewage integrated processing apparatus.
Background
Rural domestic sewage is from waste water discharged from living facilities such as toilets, kitchens, shower rooms and the like, and is reflected in water quality indexes, namely, the biochemical oxygen demand (BOD5), the Chemical Oxygen Demand (COD), the suspended matter (SS) content, the nitrogen and phosphorus content and eutrophication, because the rural domestic sewage contains substances such as silt, grease, soap lye, food scraps, sundries, germs and the like. If the sewage is not treated, the sewage is directly discharged into water bodies (rivers, lakes, seas and underground water) and soil, so that the concentration of organic matters in the water bodies and the soil is too high, and the water bodies and the soil are eutrophicated.
Aiming at the characteristics of the quality of the domestic sewage, the research on how to design a domestic sewage treatment device which has high strength, corrosion resistance and long service life and is convenient to install has important significance for the construction of the urbanization development of beautiful China and beautiful villages.
Disclosure of Invention
The utility model provides a domestic sewage integrated treatment device who solves above-mentioned problem, this domestic sewage integrated treatment device have intensity height, corrosion-resistant, long service life, the advantage of being convenient for install.
The utility model discloses a following technical scheme realizes:
the integrated domestic sewage treatment device is made of glass fiber reinforced plastic and is sequentially divided into a grid adjusting tank, an anoxic tank, an aerobic tank and a sedimentation tank;
the grid adjusting tank is used for filtering the domestic sewage entering the grid adjusting tank to separate and remove at least part of floating objects in the domestic sewage, homogenizing and equalizing the domestic sewage, and the domestic sewage discharged by the grid adjusting tank enters the anoxic tank;
the anoxic tank is used for decomposing and denitrifying organic matters in the incoming domestic sewage, and the domestic sewage discharged from the anoxic tank enters the aerobic tank;
the aerobic tank contains aerobic decomposers, the aerobic tank is used for decomposing and nitrifying organic matters in the entering domestic sewage, one part of the domestic sewage in the aerobic tank enters the sedimentation tank, and the other part of the domestic sewage in the aerobic tank flows back to enter the anoxic tank;
the sedimentation tank is used for removing suspended matters in the entering domestic sewage and obtaining purified water.
Preferably, be provided with grid net, elevator pump, level gauge, start floater and stop the floater in the grid equalizing basin, the grid net sets up the water inlet department of grid equalizing basin, the grid net is used for filtering the domestic sewage that gets into the grid equalizing basin in order to separate at least partial floater of detaching the domestic sewage in, the elevator pump is used for sending domestic sewage in the grid equalizing basin into the oxygen deficiency pond, the level gauge is used for detecting the liquid level of domestic sewage in the grid equalizing basin, the start floater sets up the below of the water inlet of grid equalizing basin, the start floater is used for detecting the liquid level of domestic sewage in the grid equalizing basin is in order to start the elevator pump when the liquid level of domestic sewage is higher than first predetermined liquid level, stop the floater setting in the top of the water inlet of elevator pump, the stop floater is used for detecting the liquid level of domestic sewage in the grid equalizing basin is in order to be in the domestic sewage's of domestic sewage liquid level And stopping the lift pump when the liquid level is lower than a second preset liquid level.
Preferably, the grid mesh forms an angle of 60-75 degrees with the horizontal plane.
Preferably, the grid gaps of the grid mesh are 3-10 mm.
Preferably, the grid gap of the grid mesh is 5 mm.
Preferably, the starting floating ball is positioned 10-20cm below the water inlet of the grid regulating pond.
Preferably, the anoxic tank is provided with a combined filler, and the combined filler comprises a plastic ring and vinylon wires loaded on the plastic ring.
Preferably, the bottom of the aerobic tank is provided with a plurality of microporous aeration disks, and the microporous aeration disks are used for supplying oxygen to the domestic sewage in the aerobic tank so as to increase the dissolved oxygen in the domestic sewage.
Preferably, the top of the grid adjusting tank, the top of the anoxic tank, the top of the aerobic tank and the top of the sedimentation tank are respectively provided with an access hole.
Preferably, the domestic sewage integrated treatment device further comprises a base, wherein the domestic sewage integrated treatment device is cylindrical and is fixedly bonded on the base.
Compared with the prior art, the beneficial effects of the utility model include at least:
the utility model discloses an among the domestic sewage integration treatment device, through setting up grid equalizing basin, oxygen deficiency pond, good oxygen pond and sedimentation tank, saved middle sedimentation tank, the structure is few, and area is little, has saved capital construction expense and working costs greatly and has hanged down, and the processing flow is more simple and convenient. Above-mentioned domestic sewage integration treatment device can adopt the mechanized production of mill, owing to adopt integral structure and glass steel material, intensity is high, corrosion-resistant, long service life, can bury in the underground, also can partly bury in the underground, perhaps sets up on the ground as required, when burying in the underground, can directly hoist into the pit at the building site scene, pit bottom only need simple manufacture's concrete foundation, usually three days can install and finish to reach the condition of debugging operation.
Drawings
FIG. 1 is a plan view of the integrated domestic sewage treatment apparatus according to the embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of the integrated domestic sewage treatment device of the embodiment of the present invention when the integrated domestic sewage treatment device is buried underground.
Fig. 3 is a schematic view of the connection structure of the anoxic tank, the aerobic tank and the sedimentation tank of the embodiment of the present invention.
Fig. 4 is a schematic structural view of the domestic sewage integrated treatment device of the embodiment of the utility model, which is installed on the base.
In the figure: 1. a domestic sewage integrated treatment device; 10. a grid adjusting tank; 11. a grid net; 12. a lift pump; 13. a liquid level meter; 14. starting the floating ball; 15. stopping the floating ball; 20. an anoxic tank; 21. combining fillers; 30. an aerobic tank; 31. a microporous aeration disc; 32. an exhaust port; 40. a sedimentation tank; 50. a base; 60. and (6) overhauling holes.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their repetitive description will be omitted.
The words for expressing the position and direction described in the present invention are all the explanations given by taking the drawings as examples, but can be changed according to the needs, and the changes are all included in the protection scope of the present invention.
Referring to fig. 1 and 2, the present embodiment provides a domestic sewage integrated treatment apparatus 1, the domestic sewage integrated treatment apparatus 1 including: the grid adjusting tank 10, the anoxic tank 20, the aerobic tank 30 and the sedimentation tank 40 further comprise a base 50.
The domestic sewage integrated treatment device 1 is made of glass fiber reinforced plastics, compared with carbon steel, the domestic sewage integrated treatment device 1 made of glass fiber reinforced plastics is cheaper in price, and meanwhile, the domestic sewage integrated treatment device 1 made of glass fiber reinforced plastics is not afraid of wind and sunlight, so that the domestic sewage integrated treatment device 1 made of glass fiber reinforced plastics can be buried underground or semi-buried underground or arranged on the ground as required. In addition, the domestic sewage integrated treatment device 1 made of the glass fiber reinforced plastic material has the advantages of being made of carbon steel materials, namely, the device is strong in corrosion resistance, can not be corroded in all rural domestic sewage, is long in service life and can last for more than 30 years.
In some embodiments of the present invention, the top of the grid adjusting tank 10, the anoxic tank 20, the aerobic tank 30 and the sedimentation tank 40 are respectively provided with a manhole 60, and the manhole 60 can be accessed into the grid adjusting tank 10, the anoxic tank 20, the aerobic tank 30 and the sedimentation tank 40 from the ground for maintenance.
The domestic sewage automatically flows into a grid regulating tank 10 buried underground by gravity, and a grid net 11, a lifting pump 12, a liquid level meter 13, a starting floating ball 14 and a stopping floating ball 15 are arranged in the grid regulating tank 10.
The grid net 11 is arranged at the water inlet of the grid adjusting tank 10, the grid net 11 is used for filtering domestic sewage entering the grid adjusting tank 10 to separate and remove at least part of floaters, particularly floaters with larger sizes and other sundries, in the domestic sewage, and the arrangement of the grid net 11 can prevent the lifting pump 12 and equipment and pipelines in the domestic sewage integrated treatment device 1 from being worn or blocked, so that the subsequent treatment process can be smoothly carried out. In some embodiments of the present invention, the grid gap of the grid net 11 is 3-10mm, and the grid gap of the grid net 11 is preferably 5mm, so that the grid net 11 can take into account the interception effect and the domestic sewage treatment capacity.
The utility model discloses some embodiments, grid net 11 forms 60-75 degrees contained angles with the horizontal plane, and the domestic sewage that the level flowed in forms the baffling when passing through grid net 11, because the formation of baffling, even thickness or size are less than many filths in the net clearance of grid net 11 also can be isolated.
The lift pump 12 is used for discharging the domestic sewage in the grid regulation pool 10, and specifically, the lift pump 12 is used for sending the domestic sewage in the grid regulation pool 10 into the anoxic pool 20. The liquid level meter 13 is used for detecting the liquid level of the domestic sewage in the grid regulating reservoir 10, and the liquid level meter 13 is arranged in the grid regulating reservoir 10.
The starting floating ball 14 is arranged below the water inlet of the grid regulating tank 10, the starting floating ball 14 is preferably located 10-20cm below the water inlet of the grid regulating tank 10, the starting floating ball 14 is used for detecting the liquid level of the domestic sewage in the grid regulating tank 10, and when the starting floating ball 14 detects that the liquid level of the domestic sewage in the grid regulating tank 10 is higher than a first preset liquid level, the lifting pump 12 is automatically started and sends the domestic sewage into the anoxic tank 20 from the grid regulating tank 10.
The stop floating ball 15 is arranged above the water inlet of the lifting pump 12, the stop floating ball 15 is preferably arranged above the water inlet of the adjacent lifting pump 12, the stop floating ball 15 is used for detecting the liquid level of the domestic sewage in the grid adjusting tank 10, when the stop floating ball 15 detects that the liquid level of the domestic sewage in the grid adjusting tank 10 is lower than a second preset liquid level, the lifting pump 12 is stopped, the motor of the lifting pump 12 is prevented from idling, and the motor of the lifting pump 12 is protected from being burnt out by idling. Thus, when the domestic sewage in the grid adjusting tank 10 reaches a certain height, the lifting pump 12 is automatically started to drain, and when the domestic sewage is quickly drained, the lifting pump 12 is automatically stopped.
The grid regulation tank 10 of the present embodiment is a structure for regulating the flow rate of inlet and outlet water, and mainly has the functions of regulating the amount and quality of water, regulating the pH and temperature of domestic sewage, and pre-aeration, and can be used for emergency drainage. In the sewage discharged by general living facilities, indexes such as water quality, water quantity, pH value or temperature and the like often fluctuate greatly along with the discharge time, and the change is very unfavorable for the operation of sewage treatment equipment, particularly the normal play of the purification function of biological treatment facilities, and even can cause the sewage treatment equipment to be damaged completely. The grid regulating reservoir 10 of the present embodiment overcomes the non-uniformity of sewage discharge, and uniformly regulates the change of the quality, quantity and temperature of domestic sewage, the surplus of storage, and the shortage of replenishment, so that the water inflow of the biological treatment facility is uniform, thereby reducing the impact influence of the inconsistency of the domestic sewage on the subsequent treatment facility. In particular, the anaerobic reaction in the anoxic tank 20 is sensitive to water quality, water quantity and impact load, so the adjustment of the water quality and water quantity by the grid regulation tank 10 of the present embodiment is a guarantee of stable operation of the anaerobic reaction. The grid regulating reservoir 10 of the present embodiment is used for homogenizing and equalizing the quantity, and generally has the functions of precipitation, mixing, dosing, neutralization, pre-acidification and the like.
The anoxic tank 20 is used for decomposing and denitrifying organic matters in the incoming domestic sewage, and the domestic sewage discharged from the anoxic tank 20 enters the aerobic tank 30. The anoxic tank 20 is arranged in front of the aerobic tank 30, and because the denitrification process consumes a part of organic matters in the primary activated sewage, the organic load of the aerobic tank 30 is reduced, the sedimentation performance of the activated sludge can be improved to be beneficial to controlling sludge bulking, and the alkalinity generated in the denitrification process can compensate the alkalinity consumption in the nitrification process.
Specifically, heterotrophic bacteria in the anoxic tank 20 hydrolyze suspended contaminants such as starch, fiber, and carbohydrate and soluble organic substances in the domestic wastewater to organic acids, decompose macromolecular organic substances to small molecular organic substances, convert insoluble organic substances to soluble organic substances, and ammoniate contaminants such as protein and fat (N in the organic chain or amino groups in amino acids) to liberate ammonia (NH)3、NH4And (+) when the products after anoxic hydrolysis enter the aerobic tank 30 for aerobic treatment, the biodegradability of the domestic sewage and the utilization efficiency of oxygen can be improved. Under anoxic conditions, the denitrification of the heterotrophic bacteria converts NO3Reduction to molecular nitrogen (N)2) And C, N, O, the ecological cycle is completed, and the harmless treatment of the domestic sewage is realized.
The utility model discloses some embodiments, oxygen deficiency pond 20 is provided with combination filler 21, and combination filler 21 can play effects such as hydrolytic acidification, and combination filler 21 collects the advantage of soft and half soft filler, has overcome drawback between them simultaneously, is the product that is more ideal among domestic sewage's the biochemical treatment process. The combined filler 21 takes the plastic ring as a framework, loads the vinylon fibers which are fastened on the plastic ring, has uniform distribution of fiber bundles in the sewage, is easy to generate and change films, and has the advantage of good adaptability to the sewage concentrated solution.
The aerobic tank 30 contains aerobic decomposition products, the aerobic decomposition products comprise aerobic microorganisms and nitrifying bacteria, the aerobic tank 30 is used for decomposing and nitrifying organic matters in the incoming domestic sewage, referring to fig. 3, a part of the domestic sewage in the aerobic tank 30 enters the sedimentation tank 40, and the other part of the domestic sewage in the aerobic tank 30 flows back to the anoxic tank 20. The aerobic tank 30 is arranged behind the anoxic tank 20, and can further remove the residual organic pollutants from denitrification, so as to ensure that the quality of the effluent reaches the standard.
Specifically, the aerobic microorganisms in the aerobic tank 30 decompose the organic matter into CO2And H2And O. Under the condition of sufficient oxygen supply, the nitrification of nitrifying bacteria can react NH3Oxidation to NO3Control of one by reflowPart of the domestic sewage is returned to the anoxic tank 20 for C, N, O circulation treatment.
The aerobic tank 30 maintains dissolved oxygen in water by means of aeration and the like, and has conditions suitable for growth and propagation of aerobic microorganisms, so that the purpose of treating pollutants in water is achieved. The utility model discloses some embodiments, the bottom of the pool of good oxygen pond 30 is provided with a plurality of micropore aeration dish 31, and the top of good oxygen pond 30 is preferred to be provided with gas vent 32, and a plurality of micropore aeration dish 31 are laid at the bottom of the pool of good oxygen pond 30, supply with oxygen in the domestic sewage through micropore aeration dish 31 in to good oxygen pond 30 to increase the dissolved oxygen in the domestic sewage, make have the condition that suitable good oxygen microorganism grows and breeds in the domestic sewage.
In some embodiments of the present invention, the anoxic tank 20 and the rear aerobic tank 30 are connected in series, the DO (dissolved oxygen) concentration of the anoxic tank 20 is not greater than 0.2mg/L, and the DO concentration of the aerobic tank 30 is 2-4 mg/L.
The settling tank 40 is used to remove suspended matters in the incoming domestic sewage and obtain purified water. Specifically, domestic sewage subjected to anoxic-aerobic treatment enters a sedimentation tank 40, the sedimentation tank 40 is a structure for removing suspended matters in water by using sedimentation, the suspended matters in water are removed by using the natural sedimentation or coagulating sedimentation of water, mud and water separation is performed by gravity sedimentation, so that water is clarified, the purpose of purifying water quality is achieved, and after the domestic sewage is subjected to the treatment process, the first-level B standard discharge is achieved, and the standard discharge is realized.
In some embodiments of the present invention, the integrated domestic sewage treatment apparatus 1 of the present invention further comprises a base 50, and the integrated domestic sewage treatment apparatus 1 is cylindrical and is bonded and fixed on the base 50.
Compare with the equipment of the domestic sewage of current processing, the utility model discloses an among the domestic sewage integrated treatment device 1, through setting up grid equalizing basin 10, oxygen deficiency pond 20, good oxygen pond 30 and sedimentation tank 40, saved middle sedimentation tank 40, the structure is few, and area is little, has saved capital construction expense and working costs greatly and has hanged down, and the processing flow is more simple and convenient. Above-mentioned domestic sewage integration treatment device 1 can adopt the mechanized production of mill, owing to adopt integral structure and glass steel material, can bury in the underground, also can partly bury in the underground, perhaps sets up on the ground as required, when burying in the underground, can directly hoist into the pit at the building site scene, and pit bottom only need simple manufacture's concrete foundation, can install usually three days and finish to reach the condition of debugging operation.
When the quality of inlet water fluctuates greatly or the concentration of pollutants is high, the integrated domestic sewage treatment device 1 can maintain normal operation and the operation and management are simple and convenient by adopting the grid regulating tank 10 with a novel structure; above-mentioned domestic sewage integration treatment device 1 all has the removal effect of preferred to organic matter, ammonia nitrogen etc. in the domestic sewage, and the play water after biological denitrification is through deposiing again, reaches emission standard, and total nitrogen clearance is more than 90%.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that those skilled in the art can make changes, modifications, substitutions and alterations to the above embodiments without departing from the spirit and scope of the present invention, and all such changes are intended to be within the scope of the following claims.
Claims (10)
1. The integrated domestic sewage treatment device is characterized by being made of glass fiber reinforced plastic and sequentially divided into a grid adjusting tank, an anoxic tank, an aerobic tank and a sedimentation tank;
the grid adjusting tank is used for filtering the domestic sewage entering the grid adjusting tank to separate and remove at least part of floating objects in the domestic sewage, homogenizing and equalizing the domestic sewage, and the domestic sewage discharged by the grid adjusting tank enters the anoxic tank;
the anoxic tank is used for decomposing and denitrifying organic matters in the incoming domestic sewage, and the domestic sewage discharged from the anoxic tank enters the aerobic tank;
the aerobic tank contains aerobic decomposers, the aerobic tank is used for decomposing and nitrifying organic matters in the entering domestic sewage, one part of the domestic sewage in the aerobic tank enters the sedimentation tank, and the other part of the domestic sewage in the aerobic tank flows back to enter the anoxic tank;
the sedimentation tank is used for removing suspended matters in the entering domestic sewage and obtaining purified water.
2. The integrated domestic sewage treatment apparatus according to claim 1, wherein a grid mesh, a lift pump, a level meter, a start float ball and a stop float ball are disposed in the grid regulation pool, the grid mesh is disposed at the water inlet of the grid regulation pool, the grid mesh is used for filtering the domestic sewage entering the grid regulation pool to separate and remove at least part of floating objects in the domestic sewage, the lift pump is used for sending the domestic sewage in the grid regulation pool into the anoxic pool, the level meter is used for detecting the liquid level of the domestic sewage in the grid regulation pool, the start float ball is disposed below the water inlet of the grid regulation pool, the start float ball is used for detecting the liquid level of the domestic sewage in the grid regulation pool to start the lift pump when the liquid level of the domestic sewage is higher than a first preset liquid level, the stop floating ball is arranged above a water inlet of the lifting pump and used for detecting the liquid level of the domestic sewage in the grid regulating pond so as to stop the lifting pump when the liquid level of the domestic sewage is lower than a second preset liquid level.
3. The integrated domestic sewage treatment apparatus of claim 2, wherein said grid mesh forms an angle of 60-75 degrees with the horizontal plane.
4. The integrated domestic sewage treatment apparatus according to claim 2, wherein the grid gap of said grid net is 3-10 mm.
5. The integrated domestic sewage treatment apparatus according to claim 4, wherein the grid gap of said grid net is 5 mm.
6. The integrated domestic sewage treatment device according to claim 2, wherein said priming float ball is located 10-20cm below the water inlet of said grid regulation tank.
7. The integrated domestic sewage treatment device according to claim 1, wherein said anoxic tank is provided with a combined packing comprising a plastic ring and vinylon filaments loaded on said plastic ring.
8. The integrated domestic sewage treatment apparatus according to claim 1, wherein the bottom of the aerobic tank is provided with a plurality of microporous aeration discs for supplying oxygen to the domestic sewage in the aerobic tank to increase dissolved oxygen in the domestic sewage.
9. The integrated domestic sewage treatment device according to claim 1, wherein said grid adjusting tank, said anoxic tank, said aerobic tank and said sedimentation tank are provided with access holes at the top thereof, respectively.
10. The integrated domestic sewage treatment device according to claim 1, further comprising a base, wherein said integrated domestic sewage treatment device is cylindrical and is adhesively fixed to said base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021407669.XU CN213037622U (en) | 2020-07-16 | 2020-07-16 | Domestic sewage integrated treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021407669.XU CN213037622U (en) | 2020-07-16 | 2020-07-16 | Domestic sewage integrated treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213037622U true CN213037622U (en) | 2021-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021407669.XU Active CN213037622U (en) | 2020-07-16 | 2020-07-16 | Domestic sewage integrated treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213037622U (en) |
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2020
- 2020-07-16 CN CN202021407669.XU patent/CN213037622U/en active Active
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