CN112919629A - Domestic sewage integration treatment facility - Google Patents
Domestic sewage integration treatment facility Download PDFInfo
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- CN112919629A CN112919629A CN202110081479.6A CN202110081479A CN112919629A CN 112919629 A CN112919629 A CN 112919629A CN 202110081479 A CN202110081479 A CN 202110081479A CN 112919629 A CN112919629 A CN 112919629A
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- sewage
- water inlet
- sewage treatment
- domestic sewage
- accommodating part
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- 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
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- 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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- C02F3/327—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae characterised by animals and plants
Abstract
The invention relates to the technical field of sewage treatment equipment, and particularly discloses integrated domestic sewage treatment equipment. Domestic sewage integration treatment facility, it includes: the sewage accommodating part is provided with a water inlet and a water outlet; the water inlet is connected with a water inlet pipe, and the water inlet pipe is introduced into the bottom of the sewage accommodating part; the bottom of the sewage accommodating part is provided with a lifting pump, and the upper end of the lifting pump is connected with a sewage lifting pipe; the sewage lifting pipe extends out of the top of the sewage accommodating part; and sewage treatment membranes are arranged on two sides of the lifting pump. Compared with the existing equipment, the domestic sewage integrated treatment equipment has the advantages that the structure is greatly simplified, the maintenance of professional personnel is not needed, and the domestic sewage integrated treatment equipment is particularly suitable for popularization and application in vast rural areas.
Description
Technical Field
The invention relates to the technical field of sewage treatment equipment, in particular to domestic sewage integrated treatment equipment.
Background
Domestic sewage is wastewater discharged in daily life of residents; organic matters are one of the main pollutants contained in domestic sewage. Organic matters existing in domestic sewage are extremely unstable and easily decomposed to generate offensive odor. Therefore, domestic sewage must be treated before being discharged. For urban residents, there are special sewage treatment plants for domestic sewage to perform centralized treatment. But for vast rural areas, the sewage cannot be treated in a centralized way due to the relative dispersion of residents. Therefore, the development of a sewage treatment device suitable for rural domestic sewage is urgently needed.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides integrated domestic sewage treatment equipment. The domestic sewage integrated treatment equipment can be used for treating rural domestic sewage.
The technical problem to be solved by the invention is realized by the following technical scheme:
an integrated domestic sewage treatment apparatus, comprising: the sewage accommodating part is provided with a water inlet and a water outlet; the water inlet is connected with a water inlet pipe, and the water inlet pipe is introduced into the bottom of the sewage accommodating part; the bottom of the sewage accommodating part is provided with a lifting pump, and the upper end of the lifting pump is connected with a sewage lifting pipe; the sewage lifting pipe extends out of the top of the sewage accommodating part; and sewage treatment membranes are arranged on two sides of the lifting pump.
Preferably, the water inlet and the water outlet are respectively arranged on different surfaces of the sewage containing part.
Further preferably, the water inlet and the water outlet are respectively arranged on opposite surfaces of the sewage containing part.
Preferably, the height of the water inlet is higher than that of the water outlet.
Preferably, a sewage treatment membrane is respectively arranged between the lift pump and the water inlet and between the lift pump and the water outlet.
Preferably, the sewage containing part is divided into an aerobic zone, an anoxic zone and an anaerobic zone from top to bottom.
Preferably, the upper end of the sewage treatment membrane is positioned in the aerobic zone, and the lower end of the sewage treatment membrane is positioned in the anaerobic zone.
Preferably, green plants are planted on the top of the sewage containing part.
Preferably, the device also comprises a regulating reservoir, and the regulating reservoir is connected with the water inlet pipe.
Preferably, the sewage treatment membrane refers to a sewage treatment membrane containing carbon-based materials.
Preferably, the sewage treatment membrane containing the carbon-based material is prepared by the following method:
dispersing a carbon-based material in water to form a dispersion liquid; and then coating the dispersion liquid on two sides of the carbon fiber non-woven fabric, and after the dispersion liquid is dried, respectively arranging a layer of carbon fiber non-woven fabric on each of the two sides of the carbon fiber non-woven fabric coated with the dispersion liquid to obtain the sewage treatment membrane containing the carbon-based material.
Preferably, the ratio of the amount of the carbon-based material to the amount of water is 1g: 8-10 mL.
Preferably, the carbon fiber nonwoven fabric of each side is 50-100g/m2The amount of coating carbon-based material.
The preparation method of the carbon-based material comprises the following steps:
(1) putting the multi-walled carbon nano-tube into a mixed acid solution for ultrasonic treatment to obtain an acidified carbon nano-tube;
(2) adding thionyl chloride into the acidified carbon nano-tubes to carry out reflux reaction to obtain acyl chlorinated carbon nano-tubes;
(3) adding diisopropylamine into an acyl chlorinated carbon nano tube, reacting for 8-24 h at room temperature, and separating a product to obtain a diisopropylamine grafted carbon nano tube;
(4) adding the diisopropylamine grafted carbon nano tube into bacterial liquid, performing shake culture at the temperature of 25-35 ℃ for 3-7d, and separating a solid product to obtain the carbon-based material.
The inventor of the invention surprisingly discovers that microorganism such as bacteria can be fixed to the maximum extent by grafting diisopropylamine onto the carbon nanotube to form a carbon nanotube structure; furthermore, the material can promote the carbon nano tube and the microorganism to play a synergistic effect in the specific application process, and the processing performance of the carbon-based material is improved.
The bacterial liquid can be prepared according to conventional methods as required.
The bacterial liquid of the present invention refers to a bacterial liquid containing a sewage treatment bacterium. The preparation method comprises the step of adding sewage treatment bacteria into an LB liquid culture medium to obtain the bacterial liquid.
Specifically, the bacterial liquid is prepared by the following method: and adding 1g of sewage treatment bacteria into 1L of LB liquid culture medium, and uniformly mixing to obtain the bacterial liquid.
Preferably, the mixed acid solution in the step (1) is a mixed acid solution composed of concentrated sulfuric acid and concentrated nitric acid, and the volume ratio of the concentrated sulfuric acid to the concentrated nitric acid is 1-3: 1.
Preferably, the dosage ratio of the multi-wall carbon nano-tubes to the mixed acid solution in the step (1) is 1g:20-40 mL.
Preferably, the dosage ratio of the acidified carbon nano tubes to the thionyl chloride in the step (2) is 1g:10-20 mL.
Preferably, the dosage ratio of the carbon acyl chloride nanotubes to the diisopropylamine in the step (3) is 1g:10-20 mL.
Preferably, the reaction is carried out at room temperature for 16-24 h in the step (3), and the product is separated to obtain the diisopropylamine grafted carbon nanotube.
Preferably, the dosage ratio of the diisopropylamine grafted carbon nanotube to the bacterial liquid in the step (4) is 1g:5-15 mL.
Has the advantages that: (1) the invention provides a domestic sewage integrated treatment device with a brand new structure; the device leads sewage to be treated into the bottom of the sewage containing part through the water inlet pipe, the sewage is divided into an aerobic taking zone, an anoxic zone and an anaerobic zone in the sewage containing part, and meanwhile, the aerobic zone, the anoxic zone and the anaerobic zone are respectively and correspondingly provided with sewage treatment membranes, the structural arrangement can replace the filler in the traditional biological filter, frequent back washing is not needed, and devices such as a fan, a water pump and the like which have high energy consumption and need to be configured in the biological filter are reduced; (2) the bottom of the sewage accommodating part is provided with a lifting pump, and the upper end of the lifting pump is connected with a sewage lifting pipe; the sewage lifting pipe extends out of the top of the sewage accommodating part; the structure can realize that the aerobic and anoxic mixed water body is directly lifted and thrown into the air, and the water body is contacted with oxygen in the air to directly reoxygenate; the purpose of strong oxygenation can be achieved when the lifted water is in contact with air (the air contains 21 percent of oxygen); when the oxygenated water body falls off from the air, the surface water body of the sewage containing part is disturbed, the contact area of oxygen and the water body is increased, and the reoxygenation efficiency of the water body of the sewage containing part is improved; when the water body is lifted, vertical convection is formed in the sewage accommodating part, so that surface water carrying oxygen is mixed with the water body in the anoxic area in the middle of the sewage accommodating part to form internal mixed liquid for denitrification; the nitrogen generated by denitrification in the lifted water body can be discharged into the air along with the water body, so that the discharge of the nitrogen is completed; (3) the domestic sewage integrated treatment equipment adopting the structure does not need a machine room, any pipeline, pump and valve, has no blockage phenomenon, and has high oxygen delivery efficiency and obvious water circulation effect; high performance and low energy consumption are realized; (4) the domestic sewage integrated treatment equipment with the structure solves the defects that the traditional sewage treatment equipment is insufficient in oxygen delivery, mainly depends on anaerobic technology to treat organic matters, and has low removal rate of COD (chemical oxygen demand), and simultaneously reduces the problems that the traditional sewage treatment equipment needs long filling time and needs to be cleaned, and a large amount of labor is consumed; (5) by adopting the domestic sewage integrated treatment equipment with the structure, the suction force of the water in the aerobic area and the water in the anaerobic area through the lift pump is more thorough and sufficient than the suction force of the traditional backflow mixing and sedimentation mixing; the sewage is fully mixed for many times, and the denitrification capacity is improved; (6) green plants are planted on the top of the sewage accommodating part; the planting of green plants can absorb phosphorus, and the phosphorus transfer can be completed only by regular harvesting, so that the effect of auxiliary phosphorus removal is achieved; (7) the integrated domestic sewage treatment equipment can maintain the whole set of operation of the system only by using a small-power oxygenation lift pump. Taking 50T/day throughput as an example, the system is equipped with 50W of oxygen increasing lift pump, and the energy consumption is 50W 24/1000 0.7/50 0.016 yuan/ton (the electric charge is 0.7 yuan/KW), which is basically negligible.
Drawings
FIG. 1 is a schematic structural view of the domestic sewage integrated treatment apparatus of the present invention.
In fig. 1, 1 is a sewage containing part, 2 is a water inlet, 3 is a water outlet, 4 is a water inlet pipe, 5 is a lift pump, 6 is a lift pipe, 7 is an aerobic zone, 8 is an anoxic zone, 9 is an anaerobic zone, 10 is a green plant, 11 is a regulating tank, 12 is a water outlet pipe, and 13 is a sewage treatment membrane.
Detailed Description
The present invention will be further explained with reference to the following examples and drawings, which are not intended to limit the present invention in any way.
Example 1
As shown in FIG. 1, the present invention provides an integrated domestic sewage treatment apparatus, comprising
The sewage containing part 1, and a water inlet 2 and a water outlet 3 which are arranged on the sewage containing part; the water inlet is connected with a water inlet pipe 4, and the water inlet pipe 4 is introduced into the bottom of the sewage accommodating part 1; the bottom of the sewage accommodating part 1 is provided with a lifting pump 5, and the upper end of the lifting pump 5 is connected with a sewage lifting pipe 6; the sewage lifting pipe 6 extends out of the top of the sewage accommodating part 4; and sewage treatment membranes 13 are arranged on two sides of the lifting pump 5.
Specifically, the sewage treatment membrane 13 is a conventional sewage treatment membrane.
Specifically, the sewage containing part 1 may have a conventional shape such as a hexahedron, a cylinder, etc.; the water inlet 2 and the water outlet 3 are respectively arranged on the opposite surfaces of the sewage containing part 1. The height of the water inlet 2 is higher than that of the water outlet 3.
Specifically, the sewage treatment membrane 13 is arranged between the lift pump 5 and the water inlet 3 and between the lift pump 5 and the water outlet 3; the specific number of the sewage treatment membranes can be determined according to the size of the sewage containing part 1, and 1, 2, 3, 4, 5 and 10 sewage treatment membranes 13 can be respectively arranged on two sides of the lifting pump 5 according to requirements.
Specifically, the sewage containing part 1 in the domestic sewage integrated treatment equipment is divided into an aerobic zone 7, an anoxic zone 8 and an anaerobic zone 9 from top to bottom; in the domestic sewage integrated treatment equipment, the upper end of the sewage treatment membrane 13 is positioned in the aerobic zone 7, and the lower end is positioned in the anaerobic zone 9.
Further, green plants 10 are planted on the top of the sewage containing part 2. The green plants 10 can absorb phosphorus, and the phosphorus can be transferred only by harvesting periodically, so that the effect of auxiliary phosphorus removal is achieved.
Further, the domestic sewage integrated treatment equipment further comprises an adjusting tank 11, wherein the adjusting tank 11 is connected with the sewage accommodating part 1 through a water inlet pipe 4; the water outlet 3 is connected with a water outlet pipe 12.
In the domestic sewage integrated treatment equipment, the aerobic zone 7, the anoxic zone 8 and the anaerobic zone 9 are respectively and correspondingly provided with the sewage treatment membranes 13, the structural arrangement can replace the filler in the traditional biological filter, frequent back washing is not needed, and devices such as a fan, a water pump and the like which have high energy consumption and need to be configured in the biological filter are reduced; the bottom of the sewage accommodating part 1 is provided with a lifting pump 5, and the upper end of the lifting pump 5 is connected with a sewage lifting pipe 6; the sewage lifting pipe 6 extends out of the top of the sewage accommodating part 1; the structure can realize that the aerobic and anoxic mixed water body is directly lifted and thrown into the air, and the water body is contacted with oxygen in the air to directly reoxygenate; the purpose of strong oxygenation can be achieved when the lifted water is in contact with air (the air contains 21 percent of oxygen); when the oxygenated water body falls off from the air, the surface water body of the sewage containing part 1 is disturbed, the contact area of oxygen and the water body is increased, and the reoxygenation efficiency of the water body of the sewage containing part 1 is improved; when the water body is lifted, vertical convection is formed in the sewage containing part 1, so that surface water carrying oxygen is mixed with the water body in the anoxic area 8 in the middle of the sewage containing part 1 to form internal mixed liquid for denitrification; the nitrogen generated by denitrification in the lifted water body can be discharged into the air along with the water body, so that the discharge of the nitrogen is completed; in addition, the water in the aerobic area 7 and the water in the anaerobic area 9 are thoroughly and fully mixed through the suction force of the lifting pump 5 compared with the traditional backflow mixing and sedimentation mixing; the sewage is fully mixed for many times, and the denitrification capability is improved. In conclusion, compared with the existing equipment, the domestic sewage integrated treatment equipment has the advantages that the structure is greatly simplified, the production and construction cost is low, the maintenance cost is reduced, and the energy consumption of the equipment is low; the domestic sewage integrated treatment equipment does not need to be maintained by professional personnel, and is particularly suitable for popularization and application in vast rural areas.
Example 2
Example 2 is the same as example 1 except that the sewage treatment membrane 13 of example 2 is a sewage treatment membrane containing a carbon-based material.
The carbon-containing base materialThe sewage treatment membrane is prepared by the following method: dispersing a carbon-based material in water to form a dispersion liquid; then coating the dispersion liquid on two sides of the carbon fiber non-woven fabric, and after the dispersion liquid is dried, respectively arranging a layer of carbon fiber non-woven fabric on each of the two sides of the carbon fiber non-woven fabric coated with the dispersion liquid to obtain the sewage treatment membrane containing the carbon-based material; wherein the dosage ratio of the carbon-based material to the water is 1g: 8 mL; each face of the carbon fiber non-woven fabric is 50g/m2The amount of coating carbon-based material.
The carbon-based material is prepared by the following method:
(1) putting the multi-walled carbon nano-tube into a mixed acid solution consisting of concentrated sulfuric acid and concentrated nitric acid according to the volume ratio of 3:1 for ultrasonic treatment for 16 hours, and obtaining an acidified carbon nano-tube after centrifugal washing; wherein the dosage ratio of the multi-wall carbon nano tube to the mixed acid solution is 1g:30 mL;
(2) adding thionyl chloride into the acidified carbon nano-tubes to carry out reflux reaction for 24 hours, and removing the thionyl chloride through reduced pressure concentration to obtain acyl chlorinated carbon nano-tubes; wherein the dosage ratio of the acidified carbon nano tube to the thionyl chloride is 1g:15 mL;
(3) adding diisopropylamine into the acyl chlorinated carbon nano tube, reacting for 16h at the room temperature of 25 ℃, and separating a product to obtain a diisopropylamine grafted carbon nano tube; wherein the dosage ratio of the carbon acyl chloride nanotube to the diisopropylamine is 1g:15 mL;
(4) adding diisopropylamine grafted carbon nanotubes into a bacterial liquid, performing shake culture at 30 ℃ for 5d, and separating a solid product to obtain the carbon-based material; wherein the dosage ratio of the diisopropylamine grafted carbon nano tube to the bacterial liquid is 1g:10 mL; the bacterial liquid is prepared by the following method: adding 1g of sewage treatment bacteria into 1L of LB liquid culture medium (which is prepared into a culture medium containing 10g/L of tryptone, 5g/L of yeast extract and 5g/L of sodium chloride by using distilled water) and uniformly mixing to obtain the bacterial liquid.
Claims (9)
1. The utility model provides a domestic sewage integration treatment facility which characterized in that includes: the sewage accommodating part is provided with a water inlet and a water outlet; the water inlet is connected with a water inlet pipe, and the water inlet pipe is introduced into the bottom of the sewage accommodating part; the bottom of the sewage accommodating part is provided with a lifting pump, and the upper end of the lifting pump is connected with a sewage lifting pipe; the sewage lifting pipe extends out of the top of the sewage accommodating part; and sewage treatment membranes are arranged on two sides of the lifting pump.
2. The integrated domestic sewage treatment apparatus according to claim 1, wherein said water inlet and said water outlet are respectively disposed on different surfaces of said sewage receptacle.
3. The integrated domestic sewage treatment apparatus according to claim 2, wherein said water inlet and said water outlet are respectively provided on opposite sides of said sewage receptacle.
4. The integrated sewage treatment apparatus according to claim 1, wherein the water inlet is higher than the water outlet.
5. The integrated domestic sewage treatment apparatus according to claim 1, wherein a sewage treatment membrane is disposed between the lift pump and the water inlet, and between the lift pump and the water outlet, respectively.
6. The integrated domestic sewage treatment equipment according to claim 1, wherein the sewage containing part is divided into an aerobic zone, an anoxic zone and an anaerobic zone from top to bottom.
7. The integrated domestic sewage treatment equipment according to claim 6, wherein the upper end of the sewage treatment membrane is located in the aerobic zone, and the lower end of the sewage treatment membrane is located in the anaerobic zone.
8. The integrated domestic sewage treatment apparatus according to claim 1, wherein a green plant is planted on the top of said sewage containing portion.
9. The integrated domestic sewage treatment apparatus according to claim 1, further comprising a regulating tank, wherein said regulating tank is connected to the water inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110081479.6A CN112919629A (en) | 2021-01-21 | 2021-01-21 | Domestic sewage integration treatment facility |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110081479.6A CN112919629A (en) | 2021-01-21 | 2021-01-21 | Domestic sewage integration treatment facility |
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| CN112919629A true CN112919629A (en) | 2021-06-08 |
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| CN202110081479.6A Pending CN112919629A (en) | 2021-01-21 | 2021-01-21 | Domestic sewage integration treatment facility |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201932989U (en) * | 2011-01-28 | 2011-08-17 | 北京艾威普斯环保科技有限公司 | Biochemistry combined reactor for sewage treatment |
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| CN109574406A (en) * | 2018-12-30 | 2019-04-05 | 广州市广深环保科技有限公司 | A kind of MBR integration biochemical treatment equipment |
| CN212025102U (en) * | 2020-01-06 | 2020-11-27 | 上海环科淙达水务有限公司 | Solid-liquid separation device based on MBR efficient sewage treatment |
| CN112062278A (en) * | 2020-09-04 | 2020-12-11 | 广东酌希生态环境科技有限公司 | Sewage treatment method |
-
2021
- 2021-01-21 CN CN202110081479.6A patent/CN112919629A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201932989U (en) * | 2011-01-28 | 2011-08-17 | 北京艾威普斯环保科技有限公司 | Biochemistry combined reactor for sewage treatment |
| CN207943925U (en) * | 2017-12-31 | 2018-10-09 | 温州大学 | A kind of sewage treatment unit |
| CN208485662U (en) * | 2018-04-27 | 2019-02-12 | 上海华励振环保科技有限公司 | In conjunction with the bio-contact oxidation sewage disposal system of multiphase loop module |
| CN109574406A (en) * | 2018-12-30 | 2019-04-05 | 广州市广深环保科技有限公司 | A kind of MBR integration biochemical treatment equipment |
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