CN111003903A - Combined water hyacinth wastewater treatment device and application - Google Patents
Combined water hyacinth wastewater treatment device and application Download PDFInfo
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- CN111003903A CN111003903A CN201911414964.XA CN201911414964A CN111003903A CN 111003903 A CN111003903 A CN 111003903A CN 201911414964 A CN201911414964 A CN 201911414964A CN 111003903 A CN111003903 A CN 111003903A
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- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 28
- 240000003826 Eichhornia crassipes Species 0.000 title 1
- 241000169203 Eichhornia Species 0.000 claims abstract description 98
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 89
- 239000002351 wastewater Substances 0.000 claims abstract description 44
- 239000010840 domestic wastewater Substances 0.000 claims abstract description 9
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 7
- 239000011574 phosphorus Substances 0.000 claims description 7
- 229910052698 phosphorus Inorganic materials 0.000 claims description 7
- 238000005273 aeration Methods 0.000 claims description 5
- 239000004567 concrete Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims description 3
- 238000005345 coagulation Methods 0.000 claims description 3
- 238000005189 flocculation Methods 0.000 claims description 3
- 230000016615 flocculation Effects 0.000 claims description 3
- 238000010979 pH adjustment Methods 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 241000196324 Embryophyta Species 0.000 claims description 2
- 238000007781 pre-processing Methods 0.000 claims description 2
- 238000004062 sedimentation Methods 0.000 claims 1
- 239000010842 industrial wastewater Substances 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 5
- 239000003344 environmental pollutant Substances 0.000 abstract description 5
- 231100000719 pollutant Toxicity 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 10
- 230000006872 improvement Effects 0.000 description 8
- 230000014759 maintenance of location Effects 0.000 description 6
- 230000001112 coagulating effect Effects 0.000 description 3
- 230000003311 flocculating effect Effects 0.000 description 3
- 230000001376 precipitating effect Effects 0.000 description 3
- 230000002354 daily effect Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000008239 natural water Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- YFYIWIZSIVZILB-UHFFFAOYSA-N N.[P] Chemical compound N.[P] YFYIWIZSIVZILB-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003827 upregulation Effects 0.000 description 1
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F2101/105—Phosphorus compounds
-
- 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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Activated Sludge Processes (AREA)
Abstract
The invention provides a combined water hyacinth wastewater treatment device which comprises a wastewater collection pool, a pretreatment unit, a water distribution system, a water hyacinth treatment unit and a discharge unit, wherein the water hyacinth treatment unit comprises a water inlet pipe, water hyacinth, a water diversion tank, a lower baffle, an upper baffle, a water hyacinth biochemical tank, a water outlet pipe and a water outlet tank. The invention fully utilizes the pollutant treatment capacity of the water hyacinth and combines the growth characteristics of the water hyacinth to grope in the treatment of domestic wastewater and industrial wastewater, thereby forming a set of simple and practical complete technology and being capable of being popularized in a plurality of wastewater treatment fields.
Description
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to a combined water hyacinth wastewater treatment device and application.
Background
At present, the amount of treated wastewater is increasingly large, the requirement on the quality of discharged water is increasingly high, and a plurality of wastewater treatment projects which are originally built face the problem of the up-regulation of wastewater discharge standards. The method for removing pollutants causing eutrophication of water bodies, such as COD, ammonia nitrogen, total phosphorus and the like, is more, but has the problems of complex process, large investment in capital construction and equipment, high power consumption in the operation process, complex process control, large unstable fluctuation of effluent quality and the like. Leading to a plurality of medium and small enterprises, namely, insufficient capital for environmental protection investment; secondly, no professional personnel operate the wastewater treatment facility; thirdly, the quality of the effluent of the treatment station is unstable.
The water hyacinth has obvious effect of purifying water quality, has the advantages of fast propagation, high yield, strong capability of absorbing ammonia phosphorus, high removal rate of COD, and a plurality of applications in the aspect of natural water body treatment, but also has the problems of easy blockage of a river channel due to fast propagation, reduction of dissolved oxygen in a water body and trouble in subsequent water hyacinth recovery and treatment, and limits the exertion of the water quality purifying capability and the application and popularization.
Disclosure of Invention
The invention aims to provide a combined water hyacinth wastewater treatment device and application, and provides a novel technology for deep, efficient and low-cost treatment of domestic wastewater, part of high-concentration wastewater containing COD, ammonia nitrogen and phosphorus.
The technical scheme of the invention is realized as follows:
the invention provides a combined water hyacinth wastewater treatment device which comprises a wastewater collection pool, a pretreatment unit, a water distribution system, a water hyacinth treatment unit and a discharge unit, wherein the water hyacinth treatment unit comprises a water inlet pipe, water hyacinth, a water diversion tank, a lower baffle, an upper baffle, a water hyacinth biochemical tank, a water outlet pipe and a water outlet tank.
As a further improvement of the invention, the wastewater collection tank is connected with a water inlet pipe, a grid machine is arranged at the tank inlet end, and an aeration pipeline is arranged in the tank.
As a further improvement of the invention, the pretreatment unit is provided with a treatment unit for water quality pH adjustment, coagulation, flocculation and precipitation.
As a further improvement of the invention, the water distribution system consists of a water supply pump, a pipeline, a branch pipe and a branch pipe valve.
As a further development of the invention, the discharge unit comprises a water inlet conduit, a collecting basin and a discharge conduit.
As a further improvement of the invention, the aspect ratio of the water hyacinth processing unit is 2: 1-3: 1.
as a further improvement of the invention, the height of the water hyacinth processing unit is 0.3m-1.0 m.
As a further improvement of the invention, the water hyacinth processing unit has the length of 5.0m, the width of 2.5m and the height of 0.6 m.
As a further improvement of the invention, the water hyacinth processing unit is made of iron, plastic, PVC, PP or concrete.
The invention further protects the application of the combined water hyacinth wastewater treatment device in the treatment of domestic wastewater, COD-containing wastewater, ammonia nitrogen-containing wastewater and phosphorus-containing wastewater.
The invention has the following beneficial effects: the invention fully utilizes the pollutant treatment capacity of the water hyacinth and combines the growth characteristics of the water hyacinth to grope in the treatment of domestic wastewater and industrial wastewater, thereby forming a set of simple and practical complete technology and being capable of being popularized in a plurality of wastewater treatment fields.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1: the structure schematic diagram of the combined water hyacinth waste water treatment device is shown;
FIG. 2: the invention relates to a water hyacinth processing unit top view and a vertical view:
FIG. 3: the invention relates to a longitudinal combination mode of water hyacinth processing units;
FIG. 4: the invention relates to a horizontal combination mode of a water hyacinth processing unit;
FIG. 5: the invention relates to a general flow chart for combined water hyacinth wastewater treatment;
FIG. 6: the water treatment process flow chart in the embodiment 4 of the invention;
FIG. 7: the water treatment process flow chart in the embodiment 5 of the invention;
wherein, 1, a waste water collecting tank; 2. a pre-processing unit; 3. a water distribution system; 4. a water hyacinth processing unit; 41. a water inlet pipe; 42. water hyacinth; 43. a water diversion tank; 44. a lower baffle plate; 45. an upper baffle plate; 46. a water hyacinth biochemical tank; 47. a water outlet pipe; 48. a water outlet groove; 5. and a discharge unit.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to the attached figures 1-4, a combined water hyacinth wastewater treatment device comprises a wastewater collection tank 1, a pretreatment unit 2, a water distribution system 3, a water hyacinth treatment unit 4 and a discharge unit 5.
The water hyacinth processing unit 4 comprises a water inlet pipe 41, a water hyacinth 42, a water diversion tank 43, a lower baffle 44, an upper baffle 45, a water hyacinth biochemical tank 46, a water outlet pipe 47 and a water outlet tank 48, wherein the length-width ratio of the water hyacinth processing unit 4 is 2: 1, the height is 0.3m, and the water hyacinth processing unit 4 is made of concrete.
The wastewater collecting tank 1 is connected with a water inlet pipe, a grid machine is arranged at the tank inlet end, and an aeration pipeline is arranged in the tank.
The pretreatment unit 2 is provided with a treatment unit for adjusting the pH value of water, coagulating, flocculating and precipitating.
The water distribution system 3 is composed of a water supply pump, a pipeline, a branch pipe and a branch pipe valve.
The discharge unit 5 includes a water inlet pipe, a collecting tank, and a discharge pipe.
Example 2
Referring to the attached figures 1-4, a combined water hyacinth wastewater treatment device comprises a wastewater collection tank 1, a pretreatment unit 2, a water distribution system 3, a water hyacinth treatment unit 4 and a discharge unit 5.
The water hyacinth processing unit 4 comprises a water inlet pipe 41, a water hyacinth 42, a water diversion tank 43, a lower baffle 44, an upper baffle 45, a water hyacinth biochemical tank 46, a water outlet pipe 47 and a water outlet tank 48, wherein the length-width ratio of the water hyacinth processing unit 4 is 3: 1, the height is 1.0m, and the water hyacinth processing unit 4 is made of plastic.
The wastewater collecting tank 1 is connected with a water inlet pipe, a grid machine is arranged at the tank inlet end, and an aeration pipeline is arranged in the tank.
The pretreatment unit 2 is provided with a treatment unit for adjusting the pH value of water, coagulating, flocculating and precipitating.
The water distribution system 3 is composed of a water supply pump, a pipeline, a branch pipe and a branch pipe valve.
The discharge unit 5 includes a water inlet pipe, a collecting tank, and a discharge pipe.
Example 3
Referring to the attached figures 1-4, a combined water hyacinth wastewater treatment device comprises a wastewater collection tank 1, a pretreatment unit 2, a water distribution system 3, a water hyacinth treatment unit 4 and a discharge unit 5.
The water hyacinth processing unit 4 comprises a water inlet pipe 41, a water hyacinth 42, a water diversion groove 43, a lower baffle 44, an upper baffle 45, a water hyacinth biochemical groove 46, a water outlet pipe 47 and a water outlet groove 48, wherein the water hyacinth processing unit 4 is 5.0m long, 2.5m wide and 0.6m high, and the water hyacinth processing unit 4 is made of iron.
The wastewater collecting tank 1 is connected with a water inlet pipe, a grid machine is arranged at the tank inlet end, and an aeration pipeline is arranged in the tank.
The pretreatment unit 2 is provided with a treatment unit for adjusting the pH value of water, coagulating, flocculating and precipitating.
The water distribution system 3 is composed of a water supply pump, a pipeline, a branch pipe and a branch pipe valve.
The discharge unit 5 includes a water inlet pipe, a collecting tank, and a discharge pipe.
The invention combines the growth characteristics of the water hyacinth, has certain limit on the water quality entering the treatment unit and needs certain pretreatment. The wastewater entering the treatment unit meets the following requirements:
1. SS is below 200mg/L, if the SS is difficult to meet, coagulation and flocculation reaction precipitation are required;
2. the pH is 6.7-8.5, is lower than 6.7 or is higher than 8.5, and needs to be adjusted;
3. the total amount of ammonia nitrogen does not exceed 300mg/L, and if the total amount of ammonia nitrogen exceeds 300mg/L, pretreatment is required;
4. the heavy metal-containing wastewater, high-content heavy metal can be accumulated in plants after being purified and absorbed by the water hyacinth, and the treatment difficulty of the later-grown water hyacinth can be increased;
5. COD is not higher than 1500mg/L, and excessive COD needs to be pretreated.
The above conditions are certain requirements for water inflow, and the common domestic wastewater and the industrial wastewater with medium and high concentration can meet the above conditions or can meet the requirements after certain pretreatment.
The water hyacinth is popularized and applied in natural water bodies because the required water body area is very large, which is related to the principle of purifying water quality of the water hyacinth, and the water hyacinth needs a huge root system to adsorb, absorb, convert and fix pollutants and needs a long retention time. Generally, the retention time of the wastewater needs 20-30d, and various pollution indexes such as COD, ammonia nitrogen and total phosphorus are obviously reduced. The factor greatly limits the application and popularization of the water hyacinth in the fields of industrial and domestic wastewater treatment. The planting area of the water hyacinth is greatly increased and the retention time of the wastewater is greatly increased by a longitudinal and horizontal combination mode (figure 2 and figure 3). Thereby creating conditions for the wide popularization of the technology.
The water hyacinth processing unit can be manufactured according to the specification of 3.0 × 1.5 × 0.3m in general, and can also be adjusted according to the actual situation. Typical aspect ratios are 2: 1-3: 1, certain water flow thrust can be ensured; the height is 0.3m-1.0m, the root system is ensured to be filled in the water tank, the contact area with the wastewater is increased, the root system growth space does not exist when the tank body is too low, and the tank body volume is wasted when the tank body is too high. The biochemical tank of the water hyacinth is provided with an upper baffle and a lower baffle, so that the wastewater is not in short flow in the tank body and is fully contacted with the root system of the water hyacinth (figure 1). The material can be iron, plastic, PVC, PP, concrete, etc.
The number of the water hyacinth processing units and the longitudinal and horizontal combination mode are determined according to the quality of inlet water, the effluent standard and the total water quantity, so that the retention time of the wastewater in the water hyacinth processing units is ensured to be 20-30 d. The size of the water supply pump, the size and the installation of the pipeline, the water distribution amount of each unit and the like are determined according to the total treated water amount and the number of the water hyacinth treating units.
Example 4
The source of the wastewater is as follows: domestic wastewater;
water quality and water quantity: the daily average volume is 30 cubes; COD (150mg/L-450mg/L), ammonia nitrogen (15mg/L-45mg/L) and total phosphorus (2.5mg/L-9.5 mg/L);
and (4) water outlet standard: integrated wastewater discharge Standard GB8978-1996 TABLE 2 first-class discharge Standard;
specification of water hyacinth processing unit: length, width, height (2.5m 5.0m 0.6m), unit volume 7.5 cubic; the planted water hyacinth occupies the whole processing unit;
the number of water hyacinth processing units is as follows: according to the standard of 20 days of residence time, 30 cubes/d 20d, the capacity of 600 cubes is needed, and 80 processing units are needed;
the water hyacinth processing unit combination mode: 7 groups in the vertical direction; the middle interval is 0.4 m; horizontal grouping can be combined in 3 groups in the longitudinal direction and 4 groups in the transverse direction.
The waste water enters a waste water collecting tank through a grating and is distributed by a water supply pump, so that the same amount of waste water entering each treatment unit is ensured. The water inlet of each tank body is 0.375 cube every day, the retention time is 20 days, and the water can be continuously fed and discharged.
The effluent meets the standard-reaching condition. The effluent is collected and discharged through a pipeline.
The operation process is simple, the core unit is that the waste water is distributed to the water hyacinth processing unit, and the waste water is purified to reach the discharge standard and is discharged. Only equipment and power investment are needed for lifting and distributing the waste water, and no medicament investment is needed in the whole process. Compared with the traditional treatment process, the method saves a large amount of equipment, medicaments and power investment, basically does not need personnel supervision in the process, and is normal in the whole process as long as the water diversion of the water pump is normal. Thereby realizing no humanization or greatly reducing the skill requirement of the operating personnel.
Example 5
The source of the wastewater is as follows: industrial waste water;
water quality and water quantity: the daily average is 100 cubes; COD (850mg/L-1050mg/L), ammonia nitrogen (25mg/L-45mg/L) and total phosphorus (3.5mg/L-8.5 mg/L); and (h): 3.0-4.0;
and (4) water outlet standard: comprehensive wastewater discharge Standard GB8978-1996 Table 2 three-level discharge Standard;
specification of water hyacinth processing unit: length, width, height (2.5m 5.0m 0.6m), unit volume 7.5 cubic; the planted water hyacinth occupies the whole processing unit;
the number of water hyacinth processing units is as follows: according to the standard of 15 days of residence time, 100 cubes/d 15d, the capacity of 1500 cubes is needed, and 200 processing units are needed;
the water hyacinth processing unit combination mode: a group of 8 in the vertical direction; the vertical spacing is 0.4 m; horizontal grouping may be combined in 5 groups in the vertical direction by 5 groups in the horizontal direction.
The wastewater enters a wastewater collection tank, is lifted and adjusted to have pH of 6.8-7.5, and then is distributed by a water supply pump to ensure that the wastewater entering each treatment unit has the same water quantity. Each pool body is filled with water by 0.375 cube every day, the retention time is 15 days, and water can be continuously filled and discharged. The effluent meets the standard-reaching condition. The effluent is collected and discharged through a pipeline.
The operation process is simple, the core unit is that the waste water is distributed to the water hyacinth processing unit, and the waste water is purified to reach the discharge standard and is discharged. After the PH adjustment, the wastewater enters the water hyacinth processing unit through the distribution system and is discharged after reaching the standard normally.
Compared with the prior art, the invention fully utilizes the pollutant treatment capacity of the water hyacinth and combines the growth characteristics of the water hyacinth to grope in the treatment of domestic wastewater and industrial wastewater, thereby forming a set of simple and practical complete technology and being capable of being popularized in a plurality of wastewater treatment fields.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a modular water hyacinth handles effluent plant, a serial communication port, the device includes waste water collecting tank, preprocessing unit, water distribution system, water hyacinth processing unit and discharge unit, water hyacinth processing unit includes inlet tube, water hyacinth, distributive channel, lower baffle, overhead gage, water hyacinth biochemical tank, outlet pipe and goes out the basin.
2. The combined water hyacinth wastewater treatment device of claim 1, wherein the wastewater collection tank is connected with a water inlet pipe, a grating machine is arranged at the tank inlet end, and an aeration pipeline is arranged in the tank.
3. The combined water hyacinth wastewater treatment device according to claim 1, wherein the pretreatment unit is provided with a treatment unit for water quality pH adjustment, coagulation, flocculation and sedimentation.
4. The combined water hyacinth wastewater treatment device of claim 1, wherein the water distribution system comprises a water supply pump, a pipeline, a branch pipe and a branch pipe valve.
5. The combined water hyacinth wastewater treatment plant of claim 1, wherein the discharge unit comprises a water inlet pipe, a collection tank and a discharge pipe.
6. The combined water hyacinth wastewater treatment device of claim 1, wherein the length-width ratio of the water hyacinth treatment unit is 2: 1-3: 1.
7. the combined water hyacinth wastewater treatment device of claim 1, wherein the height of the water hyacinth treatment unit is 0.3m to 1.0 m.
8. The combined water hyacinth waste water treatment device according to claim 6 or 7, wherein the water hyacinth treatment unit has a length of 5.0m, a width of 2.5m and a height of 0.6 m.
9. The combined water hyacinth wastewater treatment device according to claim 1, wherein the water hyacinth treatment unit is made of iron, plastic, PVC, PP or concrete.
10. The use of the combined water hyacinth wastewater treatment device of any one of claims 1 to 9 in the treatment of domestic wastewater, COD-containing wastewater, ammonia nitrogen-containing wastewater and phosphorus-containing wastewater.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115283430A (en) * | 2022-07-25 | 2022-11-04 | 吕文俊 | Water hyacinth restoration system for heavy metal contaminated soil |
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