CN114737542A - Method for emergency treatment of marine salvage of enteromorpha prolifera - Google Patents
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
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- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/10—Devices for removing the material from the surface
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Abstract
The invention discloses a method for emergency treatment of sea salvage of enteromorpha prolifera, and belongs to the technical field of enteromorpha prolifera harmless treatment. The emergency treatment method for sea salvage of enteromorpha comprises the steps of enteromorpha salvage, enteromorpha transfer, enteromorpha port unloading, enteromorpha unpacking and stacking, decomposition agent adding, enteromorpha transfer and throwing, sea area detection and the like. In addition, the invention can also adopt a process of directly decomposing on the ship, realize the nearby treatment of salvaging the enteromorpha on the sea, and reduce the links of transferring and unloading port and the like in the middle. The invention finally puts the decomposed enteromorpha into the sea, the decomposed enteromorpha gradually disperses and sinks, and completely sinks into the sea about 4 to 5 hours along the ocean current, thus not causing secondary pollution to the sea area.
Description
Technical Field
The invention discloses a method for emergency treatment of sea salvage of enteromorpha, and particularly belongs to the technical field of enteromorpha harmless treatment.
Background
During the period of 2007 + 2020, green tide of enteromorpha prolifera has been continuously developed in south yellow sea for more than ten years, the characteristics of large scale, serious harm and the like are presented, and serious damage is caused to the ecological system of seafood. The green tide of enteromorpha prolifera in the sea area of the yellow sea firstly appears near the shallow sea area of Subei in the form of floating green algae in 3-4 months per year, continuously gathers under the action of fan ocean current, gradually drifts to the north, and finally appears in the sea area around the Qingdao in a large scale in 6-7 months. Particularly, in 2021, the outbreak amount of enteromorpha in Qingdao city is huge, the coverage area of the enteromorpha reaches 2.4 times of the historical maximum coverage area and is 9 times of 2020, and the secondary emergency response of marine macroalgae disaster started in Qingdao city is in a continuous growth situation. Currently, a commonly used enteromorpha cleaning method generally adopts salvage of enteromorpha and stacks the salvaged enteromorpha temporarily to the outside, but if dozens of ten thousand tons of enteromorpha salvaged ashore can not be effectively treated, a large amount of accumulated enteromorpha can be rotted, and secondary pollution is caused to the environment. Therefore, the harmless treatment of the enteromorpha has very important function and significance for protecting the marine environment.
At present, the main method for harmlessly treating enteromorpha is to salvage the enteromorpha, quickly dry the enteromorpha and then utilize the enteromorpha in a fertilizer or feed manner. In the years of large amount of enteromorpha, the existing mode of resource utilization of the enteromorpha after quick drying is difficult to meet the requirement on harmless treatment amount of the enteromorpha, and under the condition, the emergency treatment of the enteromorpha becomes the most critical part in a harmless treatment technical system. With the development of enteromorpha salvaging technology, in order to better protect the marine environment and avoid the offshore of enteromorpha, the marine enteromorpha salvaging has become a main enteromorpha salvaging mode. Although various hazards caused by the offshore enteromorpha are avoided by the marine enteromorpha salvage mode, a large amount of the enteromorpha salvaged ashore can cause a large amount of accumulated enteromorpha to rot if the effective disposal is not carried out in time, and the problem of secondary pollution to the environment is caused. Therefore, an emergency treatment technology system for offshore enteromorpha salvage needs to be established to realize efficient harmless emergency treatment of the offshore enteromorpha salvage.
Regarding the enteromorpha emergency treatment method, a patent CN202157017U in the prior art discloses an enteromorpha aerobic biochemical treatment system, which comprises a strip-shaped enteromorpha stacking field and a material turning and stirring device which are distributed in parallel, wherein the enteromorpha stacking field is ridged along the middle of the length direction and inclines from the middle of the field to two side edges, a circle of flow guide channels are arranged at the periphery of the enteromorpha stacking field, four corners of each flow guide channel are provided with water collection pits, a submersible sewage pump for removing percolate is arranged in each water collection pit, two side channels of each flow guide channel are ridged in the middle, and the grooves incline from the middle of each channel to the water collection pits at two ends; due to the slope design of the enteromorpha stacking field, percolate can be collected and discharged in time when materials are fermented, so that the percolate is prevented from polluting the environment, the aerobic fermentation of the materials is ensured to be smoothly carried out, the final fermentation product is compost which can be used as organic fertilizer, the recovery of resources is realized, and the secondary pollution to the environment is avoided; in patent CN101524694A, an enteromorpha emergency treatment method is disclosed, firstly, the enteromorpha with the water content of 90-96% is placed and stacked, so that a high-temperature environment of 50-70 ℃ is formed in the stack body, and the high-temperature environment lasts for 3-7 days; adding dry lime accounting for 10-20% of the total weight of the decayed enteromorpha into the decayed enteromorpha, treating for 6-12 hours, and filling the treated enteromorpha. Compared with the existing enteromorpha emergency treatment technology, the defects that the enteromorpha emergency treatment time is long, secondary environmental pollution such as smell and the like is easily caused by stacking the enteromorpha, a large number of disposal places are required for burying the enteromorpha and the like still exist, the emergency treatment requirement of salvaging the enteromorpha by tens of thousands of tons is difficult to meet, time and labor are wasted, and great secondary environmental pollution hidden danger exists.
Disclosure of Invention
In order to overcome the defects in the prior art, the embodiment of the invention provides a method for emergency treatment of sea salvage of enteromorpha, which realizes efficient, rapid and harmless emergency treatment of sea salvage of enteromorpha, meets the emergency treatment requirement of sea salvage of enteromorpha, reduces the disposal cost and avoids the problem of secondary environmental pollution possibly caused by emergency treatment of enteromorpha.
In order to achieve the purpose, the invention provides the following technical scheme:
a method for salvaging enteromorpha on the sea through emergency treatment comprises the steps of enteromorpha salvaging, enteromorpha transferring, enteromorpha unloading, enteromorpha unpacking and stacking, decomposition agent adding, enteromorpha transferring and releasing and sea area detecting, and comprises the following specific steps:
(1) fishing the enteromorpha prolifera: driving the enteromorpha salvage ship to a salvage area, placing the enteromorpha salvage device in water at a proper inclination angle and a proper height, and then starting the enteromorpha salvage device to salvage the enteromorpha in the seawater; meanwhile, the enteromorpha salvage ship is used for collecting the enteromorpha salvaged by the fishing ship, so that the enteromorpha salvage efficiency is improved;
(2) and (3) transporting enteromorpha prolifera: placing the enteromorpha on the salvage ship after salvage, and transporting the enteromorpha to the wharf by the enteromorpha salvage ship;
(3) unloading port of Enteromorpha prolifera: unloading the enteromorpha prolifera from the port at the wharf and transferring the enteromorpha prolifera to an emergency treatment designated place through a truck;
(4) unpacking and stacking enteromorpha prolifera: unpacking the enteromorpha transported to the emergency treatment site, and then stacking the unpacked enteromorpha in the open air;
(5) adding a decomposing agent: spraying a decomposition agent on the enteromorpha stacked in the open air to quickly decompose and lose activity of fresh enteromorpha;
(6) and (3) transporting and putting enteromorpha: the Enteromorpha prolifera without biological activity is transported to a large engineering ship by a transporting device and is transported to a designated sea area; throwing the well-decomposed enteromorpha into a designated sea area by utilizing a throwing device on a ship;
(7) sea area detection: extracting the sea area environment sample with the enteromorpha, and then detecting and analyzing the environment sample.
Further, the enteromorpha prolifera salvage ship in the step (1) is a special enteromorpha prolifera salvage ship independently developed by a company, and the patent number of the special enteromorpha prolifera salvage ship is ZL 201510947719.0.
Further, the decomposing inoculant in the step (5) is a microbial decomposing inoculant independently developed by companies, and the patent number is ZL 201310219915.7.
Further, in the step (5), the addition amount of the decomposition agent is 0.1-2kg per ton of fresh enteromorpha.
Further, the enteromorpha fast decomposition process in the step (5) comprises the following steps: the decomposing fermentation is carried out for 24-72 hours, the inactivation rate of the enteromorpha reaches 90% -100%, and the biological activity of the enteromorpha is lost.
Preferably, when the decomposition agent is added in the step (5), 0.5Kg of independently developed deodorant of the company ZL201610691263.0 is sprayed on each ton of fresh enteromorpha, so that the problem of air pollution caused by decomposition of the enteromorpha is avoided.
Preferably, the method for emergency treatment of offshore enteromorpha salvage adopts the steps of directly carrying out emergency treatment on an enteromorpha salvage ship, and specifically comprises the steps of directly spraying a decomposition agent on the enteromorpha salvage ship and directly decomposing on the salvage ship; then carrying out transfer and release and sea area detection.
The invention provides a method for emergency treatment of sea salvage enteromorpha, which is characterized in that the fast decomposition effect of a microbial decomposition microbial inoculum is utilized, the enteromorpha without activity is thrown into the sea area to be used as a bait of marine organisms, a large amount of accumulated sea salvage enteromorpha can be effectively treated, the efficient, fast and harmless emergency treatment of sea salvage enteromorpha is realized, and the problem of secondary environmental pollution possibly caused is avoided. Enteromorpha prolifera appearing in Qingdao belongs to large algae, is harmless to human body, can only grow in a cleaner water area, is decomposed into carbon by functional bacteria after decay and sedimentation of the Enteromorpha prolifera, and does not produce any toxin. At present, the salvage amount of enteromorpha is only 1-2% of the total biomass of enteromorpha, 95% -99% of enteromorpha decays and then directly sinks to the sea floor without any adverse effect on the marine environment, the northern sea bureau of the national marine agency of 2021 monitors the marine water quality of an enteromorpha outbreak area, and the result shows that the water quality of the enteromorpha outbreak area of Qingdao is excellent. Therefore, the method is the most effective and safe method for putting the dried enteromorpha into the sea after the enteromorpha is rotted.
The invention provides a method for emergency treatment of sea salvage of enteromorpha prolifera, which has the following beneficial effects:
(1) according to the invention, the mature microbial inoculum is sprayed on the upper side of the enteromorpha stacked in the open air to replace the enteromorpha stacked directly or rotten by using quick lime which is commonly used at present, the fresh enteromorpha is thoroughly decomposed to make the enteromorpha lose activity, 2kg of the mature microbial inoculum is sprayed on each ton of the fresh enteromorpha, the fresh enteromorpha is fermented for 72 hours, the rotting rate of the enteromorpha reaches 98-100%, and the enteromorpha loses bioactivity; the demand of rapid emergency treatment for marine enteromorpha salvage is met, and another bottleneck factor for restricting the harmless treatment of enteromorpha is broken;
(2) the decomposed enteromorpha is thrown into the sea, gradually disperses and sinks, completely sinks into the sea about 4-5 hours along the ocean current and becomes bait of marine organisms such as fishes and shrimps, the decomposed enteromorpha can be completely decomposed after 30 days, secondary pollution to the sea area is avoided, the marine resources are taken from the sea and used as the sea, and land resources are prevented from being occupied;
(3) according to the invention, by integrating and utilizing the independently developed decomposed microbial inoculum and the deodorant of the company, the enteromorpha is quickly decomposed, the cost of emergency treatment of the enteromorpha is reduced, and the problem of secondary environmental pollution possibly brought is avoided;
(4) according to the invention, the enteromorpha prolifera salvage ship can be directly quickly decomposed and put into seawater, so that the integration of offshore salvage and offshore treatment is realized, and the enteromorpha prolifera salvage ship is the initiative of emergency treatment of enteromorpha prolifera;
(5) the emergency treatment method provided by the invention is converted and applied, and a remarkable technical effect is achieved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:
FIG. 1 is a schematic flow diagram of a method for emergency treatment of sea salvage of enteromorpha prolifera provided by the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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
A method for salvaging enteromorpha on the sea through emergency treatment comprises the steps of enteromorpha salvaging, enteromorpha transferring, enteromorpha unloading, enteromorpha unpacking and stacking, decomposition agent adding, enteromorpha transferring and releasing and sea area detecting, and comprises the following specific steps:
(1) fishing the enteromorpha prolifera: driving the enteromorpha salvage ship to a salvage area, placing the enteromorpha salvage device in water at a proper inclination angle and a proper height, and then starting the enteromorpha salvage device to salvage the enteromorpha in the seawater; meanwhile, the enteromorpha salvage ship is used for collecting the enteromorpha salvaged by the fishing ship, so that the enteromorpha salvage efficiency is improved;
(2) and (3) transporting enteromorpha prolifera: placing the enteromorpha on the salvage ship after salvage, and transporting the enteromorpha to the wharf by the enteromorpha salvage ship;
(3) unloading port of Enteromorpha prolifera: unloading the enteromorpha prolifera from the port at the wharf and transferring the enteromorpha prolifera to an emergency treatment designated place through a truck;
(4) unpacking and stacking enteromorpha: unpacking the enteromorpha transported to the emergency treatment place, and stacking the unpacked enteromorpha in the open air;
(5) adding a decomposing agent: spraying a decomposition agent on the enteromorpha stacked in the open air, wherein 2Kg of decomposition agent is sprayed on each ton of fresh enteromorpha, and 0.5Kg of deodorant is sprayed on the enteromorpha simultaneously; decomposing and fermenting for 24 hours to quickly decompose and lose activity of fresh enteromorpha;
(6) and (3) transporting and putting enteromorpha: the enteromorpha without biological activity is transported to a large-scale engineering ship by a transporting device and transported to a designated sea area; throwing the well-decomposed enteromorpha into a designated sea area by utilizing a throwing device on a ship;
(7) sea area detection: extracting the sea area environment sample with the enteromorpha, and then detecting and analyzing the environment sample.
Detecting the enteromorpha processed by the method, wherein the inactivation rate of the enteromorpha reaches 90-100% after 24 hours of decomposition fermentation; and (2) putting the decomposed enteromorpha into the sea, gradually dispersing and sinking the decomposed enteromorpha, completely sinking into the sea for about 4-5 hours along the ocean current to become baits of marine organisms such as fishes and shrimps, and completely decomposing the decomposed enteromorpha after 30 days without causing secondary pollution to the sea area.
Example 2
A method for salvaging enteromorpha on the sea through emergency treatment comprises the steps of enteromorpha salvaging, enteromorpha transferring, enteromorpha unloading, enteromorpha unpacking and stacking, decomposition agent adding, enteromorpha transferring and releasing and sea area detecting, and comprises the following specific steps:
(1) fishing the enteromorpha prolifera: driving the enteromorpha salvaging ship to a salvaging area, placing the enteromorpha salvaging device in water at a proper inclination angle and height, and then starting the enteromorpha salvaging device to salvage the enteromorpha in the seawater; meanwhile, the enteromorpha salvage ship is used for collecting the enteromorpha salvaged by the fishing ship, so that the enteromorpha salvage efficiency is improved;
(2) and (3) transporting enteromorpha prolifera: placing the enteromorpha on the salvage ship after salvage, and transporting the enteromorpha to the wharf by the enteromorpha salvage ship;
(3) unloading port of Enteromorpha prolifera: unloading the enteromorpha prolifera from the port at the wharf and transferring the enteromorpha prolifera to an emergency treatment designated place through a truck;
(4) unpacking and stacking enteromorpha: unpacking the enteromorpha transported to the emergency treatment site, and then stacking the unpacked enteromorpha in the open air;
(5) adding a decomposing agent: spraying 0.1Kg of decomposition agent and 0.5Kg of deodorant to each ton of fresh enteromorpha prolifera stacked in the open air; decomposing and fermenting for 72 hours to quickly decompose and lose activity of fresh enteromorpha;
(6) and (3) transporting and putting enteromorpha: the enteromorpha without biological activity is transported to a large-scale engineering ship by a transporting device and transported to a designated sea area; throwing the well-decomposed enteromorpha into a designated sea area by utilizing a throwing device on a ship;
(7) sea area detection: extracting the sea area environment sample with the enteromorpha, and then detecting and analyzing the environment sample.
Detecting the enteromorpha processed by the method, wherein the inactivation rate of the enteromorpha reaches 90-100% after the enteromorpha is fermented for 72 hours; and (2) putting the decomposed enteromorpha into the sea, gradually dispersing and sinking the decomposed enteromorpha, completely sinking into the sea for about 4-5 hours along the ocean current to become baits of marine organisms such as fishes and shrimps, and completely decomposing the decomposed enteromorpha after 30 days without causing secondary pollution to the sea area.
Example 3
A method for salvaging enteromorpha at sea through emergency treatment comprises the steps of enteromorpha salvaging, decomposition agent adding, enteromorpha transferring and throwing and sea area detection, and specifically comprises the following steps:
(1) fishing the enteromorpha prolifera: driving the enteromorpha salvage ship to a salvage area, placing the enteromorpha salvage device in water at a proper inclination angle and a proper height, and then starting the enteromorpha salvage device to salvage the enteromorpha in the seawater; unpacking the salvaged enteromorpha, and then stacking the unpacked enteromorpha in the open air;
(2) adding a decomposing agent: spraying a decomposing agent on the enteromorpha stacked in the open air, wherein 2Kg of decomposing agent is sprayed on each ton of fresh enteromorpha, and 0.5Kg of deodorant is sprayed on the enteromorpha; decomposing and fermenting for 24 hours to quickly decompose and lose activity of fresh enteromorpha;
(3) and (3) transporting and putting enteromorpha: transporting the enteromorpha without biological activity to a designated sea area; throwing the well-decomposed enteromorpha into a designated sea area by utilizing a throwing device on a ship;
(4) sea area detection: extracting the sea area environment sample with the enteromorpha, and then detecting and analyzing the environment sample.
Example 4
The company entrusts a third-party professional detection mechanism to perform water quality detection on the seawater quality of the enteromorpha prolifera settlement area, detection sites are respectively located on a trestle and the aged with stone, and detection results are shown in the following table:
TABLE 1 Table of sea water quality test in enteromorpha settlement area
The detection results show that the total phosphorus and the total chemical oxygen demand of the sea water after the enteromorpha is settled meet the first-class sea water quality requirement, and the indexes are not obviously changed, which shows that the technical scheme of the invention can not generate secondary pollution to the sea water quality.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The method for salvaging enteromorpha on the sea through emergency treatment is characterized in that the emergency treatment steps comprise enteromorpha salvaging, enteromorpha transferring, enteromorpha unloading, enteromorpha unpacking and stacking, decomposition agent adding, enteromorpha transferring and releasing and sea area detecting, and the specific steps are as follows:
(1) fishing the enteromorpha prolifera: driving the enteromorpha salvaging ship to a salvaging area, placing the enteromorpha salvaging device in water at a proper inclination angle and height, and then starting the enteromorpha salvaging device to salvage the enteromorpha in the seawater; meanwhile, collecting the enteromorpha fished by the fishing boat by using an enteromorpha fishing boat;
(2) and (3) transporting enteromorpha prolifera: placing the enteromorpha on the salvage ship after salvage, and transporting the enteromorpha to the wharf by the enteromorpha salvage ship;
(3) unloading port of Enteromorpha prolifera: unloading the enteromorpha prolifera from the port at the wharf and transferring the enteromorpha prolifera to an emergency treatment designated place through a truck;
(4) unpacking and stacking enteromorpha: unpacking the enteromorpha transported to the emergency treatment site, and then stacking the unpacked enteromorpha in the open air;
(5) adding a decomposing agent: spraying a decomposition agent on the enteromorpha stacked in the open air to quickly decompose and lose activity of the fresh enteromorpha;
(6) and (3) transporting and releasing enteromorpha: the enteromorpha without biological activity is transported to a large-scale engineering ship by a transporting device and transported to a designated sea area; throwing the well-decomposed enteromorpha into a designated sea area by utilizing a throwing device on a ship;
(7) sea area detection: extracting the sea area environment sample with the enteromorpha, and then detecting and analyzing the environment sample.
2. The method for emergency treatment of offshore salvage of enteromorpha prolifera according to claim 1, wherein the addition amount of the decomposition agent is 0.1-2kg per ton of fresh enteromorpha prolifera.
3. The method for emergency treatment of offshore salvage of enteromorpha prolifera according to claim 1, characterized in that the fast decomposition process of enteromorpha prolifera is as follows: the decomposing fermentation is carried out for 24-72 hours, and the inactivation rate of the enteromorpha reaches 90-100 percent.
4. The method for emergency treatment of offshore salvage of enteromorpha prolifera according to claim 1, wherein 0.5Kg of odor removing agent is sprayed per ton of fresh enteromorpha prolifera when the decomposition agent is added.
5. The method for emergency treatment of offshore salvage of enteromorpha according to claim 1, wherein emergency treatment is directly performed on an enteromorpha salvage ship, and the method comprises the specific steps of directly spraying a decomposition agent on the enteromorpha salvage ship, and then decomposing on the salvage ship; and finally carrying out transfer and release and sea area detection.
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