CN110590054A - River water quality improving method - Google Patents
River water quality improving method Download PDFInfo
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- CN110590054A CN110590054A CN201910754788.8A CN201910754788A CN110590054A CN 110590054 A CN110590054 A CN 110590054A CN 201910754788 A CN201910754788 A CN 201910754788A CN 110590054 A CN110590054 A CN 110590054A
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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
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/26—Reducing the size of particles, liquid droplets or bubbles, e.g. by crushing, grinding, spraying, creation of microbubbles or nanobubbles
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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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/348—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the way or the form in which the microorganisms are added or dosed
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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)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Biological Treatment Of Waste Water (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses a river water quality improving method, which comprises the following steps: introducing nano-scale bubbles into the river water, and then fishing the floating objects floating out of the water surface; extracting river bottom sludge, and conveying the extracted sludge to a solid-liquid separation device; when the extracted river bottom sludge amount exceeds more than three-fourths of the total river bottom sludge amount, putting the biological piles into the river water, introducing nano-scale bubbles into the river water, and then fishing the floating objects floating out of the water surface; when the turbidity of suspended substances in the river water is not more than 150NTU and the pH value is 5.5-8.5, stopping introducing the nano-scale bubbles, and conveying magnetic energy shock waves into the river water; and monitoring the river water quality data, and stopping conveying the magnetic energy shock wave when the river water quality data reaches a treatment standard. The method can effectively remove suspended matters in river water, realize the purification of the river water quality, obviously improve the cleanliness and stability of the river water quality, and keep the ecological natural landscape of the river.
Description
Technical Field
The invention belongs to the technical field of river regulation, and particularly relates to a river water quality improving method.
Background
Along with national economic development, diversified scale of various industries and increasingly serious river environmental pollution, the treatment on the ecological damage of the river is not only paid attention to discharge control from the source; there is also a need for effective remediation methods. With the national emphasis on solving the river pollution, the river treatment market is more and more competitive, and the important position of the river treatment market is shown more and more influenced by the regulation cost control and the social convenience. On the premise of controlling the quality, low-cost control becomes a necessary condition for the survival of the company.
At present, the general riverway water quality treatment method comprises the steps of separating the upper and lower streams of a riverway, draining the riverway water, and pumping bottom pollution sludge by using a pump for treatment; considerable manpower and material resources are consumed for extracting the sludge, other pollution problems are caused by sludge transportation in the construction process, the problem of waste water discharge near a river channel exists, and the problem of rainwater drainage exists when raining; therefore, it is necessary to develop a new method for treating river water.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a novel riverway water quality treatment method, which does not need to separate the upstream and downstream of riverway water, drains the riverway water, directly extracts river bottom sludge, utilizes the matching treatment of nano bubbles and biological bacteria provided by biological piles and the use of magnetic energy shock waves, can effectively remove suspended matters in the riverway water, realizes the purification of riverway water quality, obviously improves the cleanliness of the riverway water quality and the stability of the riverway water quality, and keeps the ecological natural landscape of the riverway.
In order to achieve the above object, the present invention provides a method for improving river water quality, comprising:
(1) introducing nano-scale bubbles into the river water, and then fishing the floating objects floating out of the water surface;
(2) extracting river bottom sludge, and conveying the extracted sludge to a solid-liquid separation device;
(3) when the extracted river bottom sludge amount exceeds more than three-fourths of the total river bottom sludge amount, putting the biological piles into the river water, introducing nano-scale bubbles into the river water, and then fishing the floating objects floating out of the water surface;
(4) when the turbidity of suspended substances in the river water is not more than 150NTU and the pH value is 5.5-8.5, stopping introducing the nano-scale bubbles, and conveying magnetic energy shock waves into the river water;
(5) and monitoring the river water quality data, and stopping conveying the magnetic energy shock wave when the river water quality data reaches a treatment standard.
Preferably, the nano-scale bubbles are provided using a nano-bubble machine.
Preferably, the river bottom sludge is extracted by a sludge extraction device.
Preferably, 1 bio-pile is invested per kilometer.
Preferably, the biological pile comprises a carrier and a microorganism bacterium, wherein the content of the microorganism bacterium is 30-50% and the content of the carrier is 50-70% based on the total weight of the carrier and the microorganism bacterium.
Preferably, the microorganism is at least one of bacillus subtilis, nitrobacteria and actinomycetes.
Preferably, the microorganism bacterium consists of bacillus subtilis, nitrobacteria and actinomycetes, and the weight ratio of the bacillus subtilis to the nitrobacteria to the actinomycetes is as follows: 1: 0.5-1.2: 0.5-1.
Preferably, the magnetic energy oscillating wave generating device is used for providing magnetic energy oscillating waves.
Preferably, the river water quality data includes: BOD, COD, total nitrogen, total phosphorus, oxygen content, bacterial count and suspended matter content.
Preferably, the treatment standard is that BOD is less than or equal to 80mg/L, COD and less than or equal to 200mg/L, total nitrogen is less than or equal to 12PPM, total phosphorus is less than or equal to 200PPM, oxygen content is more than or equal to 3mg/L, bacteria number is less than or equal to 10000/L, turbidity of suspended matters is less than or equal to 150NTU and pH value is 5.5-8.5.
The technical scheme of the invention has the following beneficial effects:
(1) according to the invention, the underwater sludge is extracted by the sludge extraction device, and the processes of cutting and grinding are controlled through the pump body in the extraction process, so that sludge and water mixed liquid with fine particles are generated, the extracted mixed liquid is beneficial to subsequent filtration and solid-liquid separation, and the defect that the subsequent sludge treatment is not facilitated due to the fact that solid sludge particles are too large is avoided.
(2) According to the invention, through the cooperative treatment of the nano bubbles and biological bacteria provided by the biological piles and the use of magnetic energy shock waves, suspended matters in river water can be effectively removed, the purification of the river water quality is realized, the cleanliness of the river water quality and the stability of the water quality are obviously improved, and the ecological natural landscape of the river is kept.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The invention provides a river water quality improving method, which comprises the following steps:
(1) introducing nano-scale bubbles into the river water, and then fishing the floating objects floating out of the water surface;
(2) extracting river bottom sludge, and conveying the extracted sludge to a solid-liquid separation device;
(3) when the extracted river bottom sludge amount exceeds more than three-fourths of the total river bottom sludge amount, putting the biological piles into the river water, introducing nano-scale bubbles into the river water, and then fishing the floating objects floating out of the water surface;
(4) when the turbidity of suspended substances in the river water is not more than 150NTU and the pH value is 5.5-8.5, stopping introducing the nano-scale bubbles, and conveying magnetic energy shock waves into the river water;
(5) and monitoring the river water quality data, and stopping conveying the magnetic energy shock wave when the river water quality data reaches a treatment standard.
According to the present invention, preferably, the nano-scale bubbles are provided using a nano-bubble machine.
In the present invention, it is preferable that the nano-bubble machine is provided one per kilometer.
According to the invention, gas is dissolved in the water body under the action of high flow velocity and high pressure by gas-water mixing, so that nano-scale bubbles stay in the water body for a long time, pollutants, organic matters, ammonia nitrogen, bacteria and the like in the water body are carried to the water surface by the buoyancy action of the bubbles in the water body and the function of generating potential difference by bubble rupture, impurities at the bottom of the water and in the water are carried to the water surface, the turbidity of the water is reduced, the aim of clearing is achieved, the bacteria in the water are damaged by the potential difference, the bacterial number is reduced, and meanwhile, the ammonia nitrogen and the like in the water are generated by chemical reaction due to the increase of the oxygen content, so that the ammonia nitrogen content is reduced.
According to the present invention, it is preferable that the river bottom sludge is extracted by a sludge extraction device.
According to the invention, the underwater sludge is directly extracted by the sludge extraction device, and the processes of cutting and grinding are controlled through the pump body in the extraction process to generate the sludge and water mixed liquid with fine particles, so that the extracted mixed liquid is beneficial to subsequent filtration and solid-liquid separation, and the defect that the subsequent sludge treatment is not facilitated due to the fact that solid sludge particles are too large is avoided.
In the invention, the sludge extraction device is used for extracting water with about 20-30% of sludge content, the sludge is separated by the solid-liquid separation device, and the sludge is used as a raw material of a fertilizer matrix and is used for preparing the soil improvement fertilizer, so that the problem of secondary pollution is not caused.
According to the invention, preferably, 1 bio-pile is thrown per kilometre.
Preferably, one biological pile is put in every half year.
In the invention, the water quality improvement of the nano bubble machine is matched, the release of biological bacteria thrown into the biological pile is realized, excellent bacteria are diffused into the water body, and the aims of killing anaerobic bacteria, activating the water body and improving the water quality are achieved by utilizing water flow diffusion.
According to the invention, preferably, the biological pile comprises a carrier and a microorganism bacterium, wherein the content of the microorganism bacterium is 30-50% and the content of the carrier is 50-70% based on the total weight of the carrier and the microorganism bacterium.
According to the present invention, preferably, the microorganism is at least one of bacillus subtilis, nitrobacteria, and actinomycetes.
According to the present invention, preferably, the microorganism bacteria comprise bacillus subtilis, nitrobacteria and actinomycetes, and the weight ratio of the bacillus subtilis to the nitrobacteria to the actinomycetes is: 1: 0.5-1.2: 0.5-1.
According to the invention, preferably, the magnetic energy oscillating wave generating device is used for providing the magnetic energy oscillating wave.
In the invention, the magnetic energy oscillatory wave generating device can be a magnetic energy oscillatory wave generating device which is conventional in the field, and is preferably a liquid magnetic permeability device.
The invention conveys magnetic energy shock waves into the water body, utilizes the magnetic energy shock waves to influence the internal memory frequency of the water, and naturally removes abnormal memory modes after long-term correction so as to achieve the purpose that the water body is suitable for the growth of aquatic animals and plants.
According to the present invention, preferably, the river water quality data includes: BOD, COD, total nitrogen, total phosphorus, oxygen content, bacterial count and suspended matter content.
According to the invention, preferably, the treatment standard is BOD less than or equal to 80mg/L, COD less than or equal to 200mg/L, total nitrogen less than or equal to 12PPM, total phosphorus less than or equal to 200PPM, oxygen content more than or equal to 3mg/L, bacteria number less than or equal to 10000/L, suspended matter turbidity less than or equal to 150NTU and pH value of 5.5-8.5.
In the invention, when the river water quality data reaches BOD not more than 80mg/L, COD not more than 200mg/L, total nitrogen not more than 12PPM, total phosphorus not more than 200PPM, oxygen content not less than 3mg/L, bacteria number not more than 10000/L, suspended matter turbidity not more than 150NTU and pH value 5.5-8.5, the magnetic energy shock wave is stopped to be conveyed.
The invention is further illustrated by the following examples:
example 1
The embodiment provides a river water quality improving method, which specifically comprises the following steps:
(1) introducing nano-scale bubbles into river water by using a nano-bubble machine, and then fishing the floating objects floating out of the water surface;
(2) extracting river bottom sludge by using a sludge extraction device, and conveying the extracted sludge to a solid-liquid separation device;
(3) when the extracted river bottom sludge amount exceeds more than three-fourths of the total river bottom sludge amount, putting the biological piles into the river, introducing nano-scale bubbles into the river water by using a nano bubble machine, and then fishing out the floating objects floating on the water surface; wherein, 1 biological pile is put into each kilometer; the biological pile comprises a carrier and a microorganism bacterium, wherein the content of the microorganism bacterium is 30 percent and the content of the carrier is 70 percent based on the total weight of the carrier and the microorganism bacterium; the microorganism bacterium comprises bacillus subtilis, nitrobacteria and actinomycetes, and the weight ratio of the bacillus subtilis to the nitrobacteria to the actinomycetes is as follows: 1: 0.8: 0.6.
(4) when the turbidity of suspended substances in the river water is not more than 150NTU and the pH value is 5.5-8.5, stopping introducing the nano-scale bubbles, and conveying magnetic energy shock waves into the river water by using a magnetic energy shock wave generating device;
(5) monitoring the river water quality data, and stopping conveying the magnetic energy shock wave when the river water quality data reaches BOD not more than 80mg/L, COD not more than 200mg/L, total nitrogen not more than 12PPM, total phosphorus not more than 200PPM, oxygen content not less than 3mg/L, bacteria number not more than 10000/L, suspended matter turbidity not more than 150NTU and pH value of 5.5-8.5.
Example 2
The embodiment provides a river water quality improving method, which specifically comprises the following steps:
(1) introducing nano-scale bubbles into river water by using a nano-bubble machine, and then fishing the floating objects floating out of the water surface;
(2) extracting river bottom sludge by using a sludge extraction device, and conveying the extracted sludge to a solid-liquid separation device;
(3) when the extracted river bottom sludge amount exceeds more than three-fourths of the total river bottom sludge amount, putting the biological piles into the river, introducing nano-scale bubbles into the river water by using a nano bubble machine, and then fishing out the floating objects floating on the water surface; wherein, 1 biological pile is put into each kilometer; the biological pile comprises a carrier and a microorganism bacterium, wherein the content of the microorganism bacterium is 40% and the content of the carrier is 60% based on the total weight of the carrier and the microorganism bacterium; the microorganism bacterium comprises bacillus subtilis, nitrobacteria and actinomycetes, and the weight ratio of the bacillus subtilis to the nitrobacteria to the actinomycetes is as follows: 1: 1: 0.8.
(4) when the turbidity of suspended substances in the river water is not more than 150NTU and the pH value is 5.5-8.5, stopping introducing the nano-scale bubbles, and conveying magnetic energy shock waves into the river water by using a magnetic energy shock wave generating device;
(5) monitoring the river water quality data, and stopping conveying the magnetic energy shock wave when the river water quality data reaches BOD not more than 80mg/L, COD not more than 200mg/L, total nitrogen not more than 12PPM, total phosphorus not more than 200PPM, oxygen content not less than 3mg/L, bacteria number not more than 10000/L, suspended matter turbidity not more than 150NTU and pH value of 5.5-8.5.
Example 3
The embodiment provides a river water quality improving method, which specifically comprises the following steps:
(1) introducing nano-scale bubbles into river water by using a nano-bubble machine, and then fishing the floating objects floating out of the water surface;
(2) extracting river bottom sludge by using a sludge extraction device, and conveying the extracted sludge to a solid-liquid separation device;
(3) when the extracted river bottom sludge amount exceeds more than three-fourths of the total river bottom sludge amount, putting the biological piles into the river, introducing nano-scale bubbles into the river water by using a nano bubble machine, and then fishing out the floating objects floating on the water surface; wherein, 1 biological pile is put into each kilometer; the biological pile comprises a carrier and a microbial bacterium, wherein the content of the microbial bacterium is 50% and the content of the carrier is 50% by total weight of the carrier and the microbial bacterium; the microorganism bacterium comprises bacillus subtilis, nitrobacteria and actinomycetes, and the weight ratio of the bacillus subtilis to the nitrobacteria to the actinomycetes is as follows: 1: 1.2: 1.
(4) when the turbidity of suspended substances in the river water is not more than 150NTU and the pH value is 5.5-8.5, stopping introducing the nano-scale bubbles, and conveying magnetic energy shock waves into the river water by using a magnetic energy shock wave generating device;
(5) monitoring the river water quality data, and stopping conveying the magnetic energy shock wave when the river water quality data reaches BOD not more than 80mg/L, COD not more than 200mg/L, total nitrogen not more than 12PPM, total phosphorus not more than 200PPM, oxygen content not less than 3mg/L, bacteria number not more than 10000/L, suspended matter turbidity not more than 150NTU and pH value of 5.5-8.5.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. A riverway water quality improving method is characterized by comprising the following steps:
(1) introducing nano-scale bubbles into the river water, and then fishing the floating objects floating out of the water surface;
(2) extracting river bottom sludge, and conveying the extracted sludge to a solid-liquid separation device;
(3) when the extracted river bottom sludge amount exceeds more than three-fourths of the total river bottom sludge amount, putting the biological piles into the river water, introducing nano-scale bubbles into the river water, and then fishing the floating objects floating out of the water surface;
(4) when the turbidity of suspended substances in the river water is not more than 150NTU and the pH value is 5.5-8.5, stopping introducing the nano-scale bubbles, and conveying magnetic energy shock waves into the river water;
(5) and monitoring the river water quality data, and stopping conveying the magnetic energy shock wave when the river water quality data reaches a treatment standard.
2. The method for improving the quality of river water according to claim 1, wherein the nano-scale bubbles are provided by a nano-bubble machine.
3. The method for improving river water quality according to claim 1, wherein the river bottom sludge is extracted by a sludge extraction device.
4. The method for improving river water quality according to claim 1, wherein 1 biological pile is thrown per kilometer.
5. The method for improving the water quality of the river channel according to claim 1, wherein the biological pile comprises a carrier and a microorganism bacterium, and the content of the microorganism bacterium is 30-50% and the content of the carrier is 50-70% based on the total weight of the carrier and the microorganism bacterium.
6. The method for improving the quality of river water according to claim 5, wherein the microorganism is at least one of Bacillus subtilis, nitrifying bacteria and actinomycetes.
7. The method for improving the quality of river water according to claim 6, wherein the microorganisms comprise bacillus subtilis, nitrobacteria and actinomycetes, and the weight ratio of the bacillus subtilis to the nitrobacteria to the actinomycetes is as follows: 1: 0.5-1.2: 0.5-1.
8. The method for improving river water quality according to claim 1, wherein the magnetic energy shock wave is provided by a magnetic energy shock wave generating device.
9. The method for improving river water quality according to claim 1, wherein the river water quality data includes: BOD, COD, total nitrogen, total phosphorus, oxygen content, bacterial count and suspended matter content.
10. The method for improving the water quality of the river channel according to claim 1, wherein the treatment standard is BOD less than or equal to 80mg/L, COD less than or equal to 200mg/L, total nitrogen less than or equal to 12PPM, total phosphorus less than or equal to 200PPM, oxygen content greater than or equal to 3mg/L, bacteria number less than or equal to 10000/L, suspended matter turbidity less than or equal to 150NTU and pH value of 5.5-8.5.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1618744A (en) * | 2003-11-19 | 2005-05-25 | 彭云龙 | River late water purification method and its special flowing aeration equipment |
| CN202124510U (en) * | 2011-07-21 | 2012-01-25 | 扈乃维 | Water magnetizing device |
| CN107176694A (en) * | 2017-06-26 | 2017-09-19 | 中国市政工程中南设计研究总院有限公司 | Gush black smelly method in a kind of comprehensive regulation river |
| CN107311314A (en) * | 2017-07-06 | 2017-11-03 | 上海淘钿农业生物科技有限公司 | A kind of method of black-odor riverway restoration of the ecosystem in situ |
-
2019
- 2019-08-15 CN CN201910754788.8A patent/CN110590054A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1618744A (en) * | 2003-11-19 | 2005-05-25 | 彭云龙 | River late water purification method and its special flowing aeration equipment |
| CN202124510U (en) * | 2011-07-21 | 2012-01-25 | 扈乃维 | Water magnetizing device |
| CN107176694A (en) * | 2017-06-26 | 2017-09-19 | 中国市政工程中南设计研究总院有限公司 | Gush black smelly method in a kind of comprehensive regulation river |
| CN107311314A (en) * | 2017-07-06 | 2017-11-03 | 上海淘钿农业生物科技有限公司 | A kind of method of black-odor riverway restoration of the ecosystem in situ |
Non-Patent Citations (1)
| Title |
|---|
| 机械疏浚专业委员会: "《机械疏浚专业委员会第十四次疏浚与吹填技术经验交流会论文选编》", 31 January 2001, 黄河水利出版社 * |
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