A watershed-wide algae-bearing water body purification vessel for removing algae blooms

Abstract

This invention relates to a purification vessel for removing algal blooms from algae-containing water bodies across an entire watershed. The vessel includes a hull and a bridge. The hull is equipped with a first self-priming pump, a second self-priming pump, and a sludge dewatering machine. A hydrophilic well penetrating the hull's bottom is located in the middle of the hull, within which a purification chamber is slidably mounted. A lifting device is located on the hull above the hydrophilic well. The purification chamber contains a filter module, with its outlet connected to the inlet of a product water pump. The outlet of the product water pump is connected to a purified water pipe penetrating the chamber wall. An algae-containing water inlet is located below the waterline of the hull. This inlet is connected to the inlet of the first self-priming pump via a pipe, and the outlet of the first self-priming pump is connected to the purification chamber via a first movable pipe. This invention not only filters water but also treats bottom sludge.

Description

Technical Field

[0001] This invention relates to the field of algae-containing water purification, and in particular to a purification vessel for removing algal blooms from algae-containing water bodies throughout a whole watershed. Background Art

[0002] With the rapid development of the world economy and the continuous improvement of people's pursuit of a higher standard of living, the aquatic environment has become an increasingly important focus of attention.

[0003] Among natural water bodies, the protection of lakes and rivers is particularly important because they are not only the main source of our drinking water, but also related to the prosperity and development of industry, agriculture and commerce, and play a vital role in the purification of nature.

[0004] In today's industrialized society, economy, and lifestyle, most lakes and rivers exhibit an accelerated entropy increase. If this situation is not changed, most inland rivers and lakes may face extremely poor ecology in the short term, as evidenced by the frequent algal blooms reported in the news.

[0005] Our current approach to water environment management tends to focus on addressing the symptoms of water conditions, such as: including but not limited to collecting garbage from the river surface, removing duckweed and water hyacinth, using chemicals and electrochemical methods to disinfect algae such as blue-green algae, and using biological methods to inhibit algae reproduction.

[0006] In the prior art, the self-moving cyanobacteria harvesting device with cyanobacteria identification function and its usage method (202110842617.8) discloses a method of physical harvesting to treat cyanobacteria, which is not only inefficient, but also some tiny algae are still widely dispersed in the water, making it easy for cyanobacteria to bloom again, and the treatment effect is very limited.

[0007] The current method of using chemicals to disinfect cyanobacteria not only produces harmful substances in the water, but also causes large areas of dead cyanobacteria to accumulate on the bottom of the water, producing algal toxins, thus increasing the entropy of the water body instead of decreasing it.

[0008] Biological methods mainly involve increasing aquatic plant and animal resources to control algae growth. However, these methods are slow to take effect, have high labor costs, are highly seasonal, and the increased aquatic plants and animals themselves can cause pollution. Moreover, their effects are limited and cannot fundamentally curb the rapid reproduction of algae.

[0009] In existing technologies, there are also methods that use filter modules on the hull for filtration and purification. However, these filter modules are all fixed inside the hull or on the bridge, requiring water to be pumped to a higher level for filtration. This method has less than ideal filtration efficiency, consumes a lot of energy, requires a deep draft, and consumes a lot of manpower. In severe cases, it can cause changes in the ship's center of gravity, leading to instability. To overcome this, existing technologies often involve increasing the size of the hull structure or using ballast to address these issues.

[0010] In summary, the above methods for treating water pollution, especially sludge at the bottom of lakes, and harmful substances contained in the water have various problems, such as poor purification effect, low degree of automation, high treatment cost, poor ship adaptability, high energy consumption for purification, easy generation of secondary pollution, and disruption of the ecological balance of the water body.

[0011] Therefore, how to carry out simple and effective purification treatment of river water and its bottom has become an urgent problem for us to solve. Summary of the Invention

[0012] In view of the above problems, the present invention provides a purification vessel for removing algal blooms in algae-containing water bodies throughout the entire watershed, which solves the problems of poor purification effect of algal bloom water bodies, poor vessel adaptability, high purification energy consumption, and easy generation of secondary pollution.

[0013] To achieve the above and other related objectives, the present invention provides the following technical solution:

[0014] A purification vessel for removing algal blooms from algae-containing water bodies across an entire watershed includes a hull and a bridge. The hull is equipped with a first self-priming pump, a second self-priming pump, and a sludge dewatering machine. A hydrophilic well penetrating the hull bottom is located in the middle of the hull, and a purification chamber is slidably installed within the hydrophilic well. A lifting device connected to the purification chamber is located on the hull above the hydrophilic well. A filter module is installed inside the purification chamber, with its outlet connected to the inlet of a product water pump. The outlet of the product water pump is connected to a purified water pipe extending outside the purification chamber. An algae-containing water inlet is located below the waterline of the hull. The algae-containing water inlet is connected to the inlet of the first self-priming pump via a pipe. The outlet of the first self-priming pump is connected to the purification chamber via a first movable pipe. The bottom of the purification chamber is connected to the inlet of the second self-priming pump via a second movable pipe. The outlet of the second self-priming pump is connected to the sludge dewatering machine.

[0015] Preferably, the lifting device includes a gantry frame installed on the top of the hull, and multiple electric hoists are installed on the top of the gantry frame, with the ends of the lifting cables of the electric hoists connected to the purification chamber.

[0016] Preferably, the lifting device includes a gear and a rack meshing with the gear, the rack being fixed to the outer wall of the cleanroom, and the gear being driven by an electric motor fixed to the hull.

[0017] Preferably, the filter module is a curtain-type filter membrane module.

[0018] Preferably, the first movable pipe is a spring-loaded water inlet pipe, and the second movable pipe is a spring-loaded wastewater inlet pipe.

[0019] Preferably, the lifting device is movably connected to the filter module.

[0020] Preferably, the hull is also equipped with a blower, and an external aeration pipe is provided on the hull below the waterline. The blower is connected to the external aeration pipe and the aeration device in the curtain module through a movable air pipe.

[0021] Preferably, the gantry frame on the top of the hull is equipped with multiple electric hoists. The end of the lifting cable of the electric hoist is movably connected to the filter module. The rack is fixed on the outer wall of the purification chamber. The rack meshes with a gear. The gear is connected to and driven by an electric motor fixed on the hull.

[0022] Preferably, the hull is also equipped with solar panels, and the solar panels are supported by solar brackets at their base.

[0023] Preferably, the stern of the hull is equipped with a hoist and a conveyor belt, the outlet of the sludge dewatering machine is connected to the inlet of the hoist, and the outlet of the hoist is connected to one end of the conveyor belt.

[0024] The present invention has the following positive effects:

[0025] 1) From the inflow of algae-containing water to the discharge of purified water and the treatment of algae residue, this invention can realize automated and continuous production of filtration purification, sedimentation, algae removal, pressure filtration and residue discharge.

[0026] 2) This invention enables the purification chamber to rise and fall freely by installing a lifting device on the hull, thus allowing for a more compact hull design. The purification chamber can autonomously adjust its position to different water depths, whether on the shore, in the middle of a lake, or in the middle of a river, reaching various water areas. Simultaneously, it can utilize the siphon effect to fully leverage water level differences, achieving low-energy water intake.

[0027] 3) This invention uses a curtain-type membrane filtration module to efficiently, cost-effectively, and with high quality filter and decontaminate algae-containing water bodies in rivers, truly achieving "entropy reduction" of the water body and ensuring good water treatment results.

[0028] 4) The present invention can also be equipped with solar panels to use environmentally friendly energy for processing, further reducing energy consumption.

[0029] 5) The components of this invention are multifunctional. For example, the blower can not only provide aeration and rinsing for the filter membrane module, but also provide aeration for natural water bodies. It has multifunctional features and further reduces costs. The lifting device can achieve maximum operational freedom in the maintenance, replacement and installation of the filter module. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the structure of the present invention;

[0031] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0032] Figure 3 This is a schematic diagram of another structure of the lifting device;

[0033] Figure 4 This is a schematic diagram of a third structure of the lifting device of the present invention;

[0034] Figure 5 This is another structural schematic diagram of the present invention;

[0035] Figure 6 for Figure 1 Enlarged diagram of point B in the middle.

[0036] Explanation of the labels in the diagram: 1—hull, 2—bridge, 3—solar panel, 31—solar support, 5—lifting device, 51—lifting cable, 501—gear, 502—rack, 52—gantry frame, 53—electric hoist, 6—first self-priming pump, 61—first movable pipe, 62—algae-containing water inlet, 63—pipe, 7—fan, 71—movable air pipe, 711—first flexible hose, 712—second flexible hose, 8—purification chamber, 81—sludge inlet, 9—filter module, 91—module frame, 92—product water pump, 93—membrane tube, 94—clean water pipe, 10—external aeration pipe, 11—second self-priming pump, 111—second movable pipe, 12—sludge dewatering machine, 121—lifting machine, 122—conveyor belt, 13—hydraulic well, 511—hydraulic lifting cylinder, 512—support beam. Detailed Implementation

[0037] The uplink noise floor optimization method, apparatus, and system of the multi-service digital distribution system of the present invention will be further described in detail below with reference to preferred embodiments and accompanying drawings. Obviously, the embodiments described below are only for explaining the present invention and not for limiting the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0038] Example 1: As Figure 1 As shown, a water purification vessel for removing algal blooms in algae-containing water bodies throughout the entire basin includes a hull 1 and a wheelhouse 2. The hull 1 can be designed with a draft of 0.5 meters.

[0039] The hull 1 has a water-friendly well 13 that runs through the bottom of the hull in the middle. A purification chamber 8 is slidably installed in the water-friendly well 13. A lifting device 5 is installed on the hull above the water-friendly well 13. The lifting device 5 includes a gantry frame 52 installed on the top of the hull 1. Multiple electric hoists 53 are installed on the top of the gantry frame. The end of the lifting cable 51 of the electric hoist 53 is connected to the purification chamber 8. The purification chamber 8 can be lifted and lowered as needed.

[0040] The purification chamber 8 is equipped with a filter module 9. To improve filtration efficiency, the filter module is preferably a curtain-type filter membrane assembly, which consists of a frame 91, a product water pump 92, and membrane tubes 93. The outlet of the filter module 9 (which is also the main collection pipe of the membrane tubes 93) is connected to the inlet of the product water pump 92. The outlet of the product water pump 92 is connected to a clean water pipe 94 that penetrates the wall of the purification chamber 8. The part of the hull 1 below the waterline is equipped with an algae-containing water inlet 62. The algae-containing water inlet 62 is connected to the inlet of the first self-priming pump 6 through a pipe 63. The outlet of the first self-priming pump 6 is connected to the purification chamber 8 through a first movable pipe 61. The bottom of the purification chamber 8 is connected to the inlet of the second self-priming pump 11 through a second movable pipe 111. The outlet of the second self-priming pump 11 is connected to the sludge dewatering machine 12.

[0041] like Figure 6 As shown, the hull 1 is also equipped with a fan 7, which is connected to a movable air pipe 71. The movable air pipe 71 is connected to the curtain module 9 through a second air pipe 712. The movable air pipe 71 can be a spring air pipe or other forms of flexible hose or lifting pipe, etc.

[0042] The blower power ranges from 0.2KW to 30KW. When the efficiency of the product water pump decreases, the blower power can be increased to 10KW to 30KW to achieve the purpose of aeration to remove impurities and blue-green algae from the outer wall of the curtain filter membrane module 9. Simultaneously, a pressure gauge is installed on the curtain filter membrane module 9. After the curtain membrane tube 93 has been running for a period of time, the algae-containing water in the purification chamber will reach a certain concentration, causing membrane pore blockage. When the membrane pores are blocked, the pressure will increase. When the pressure warning value is reached, the product water pump will automatically perform backwashing, which, combined with the aeration provided by the blower unit, quickly and effectively achieves the backwashing function.

[0043] Once the algae-containing water in the purification chamber 8 reaches a certain concentration, the second self-priming pump 11 is immediately activated. Under the suction of the second self-priming pump 11, the water enters the sludge dewatering machine 12 for dewatering. The second self-priming pump 11 can be a ZW-type self-priming non-clogging sewage pump, which, like a general clean water self-priming pump, does not require a foot valve or priming. It can also pump out sludge containing large solid particles, fibrous materials, sediments, and colloidal liquids. It is easy to install and use, and requires minimal maintenance.

[0044] Working principle: When the ship reaches the designated location, the lifting device descends to the designated position and the first self-priming pump is turned on. Water is drawn by the first self-priming pump 6 and enters the purification chamber 8. Under normal circumstances, since the bottom of the purification chamber 8 is about 1.5 meters below the water surface, the algae-containing water outside can flow into the purification chamber naturally under the siphon effect, submerging the curtain membrane module 9. Therefore, after the self-priming pump 6 is started to allow water to pass through the pump body, its power supply can be turned off immediately to save energy.

[0045] Then, under the suction of the water pump 92, the algae-containing water is filtered through the curtain membrane module and discharged into the natural water body through the water purification pipe 94.

[0046] Once the algae-containing water remaining in the purification chamber reaches a certain concentration, the second self-priming pump is immediately activated. Under the suction of the second self-priming pump, the water enters the sludge dewatering machine for dewatering treatment.

[0047] In addition, we can also set up a high-level water purification pool in the hull. The water purified by this invention is discharged into the water purification pool through the water purification pipe 94 extending to the outside of the purification chamber, and can be further disinfected and reused.

[0048] Example 2: A watershed-wide algal bloom removal and purification vessel based on Example 1, comprising a hull 1 and a wheelhouse 2. The hull 1 can be designed with a draft of 0.5 meters, such as... Figure 3 As shown, the lifting device 5 on the hull 1 includes a gear 501 and a rack 502 meshing with the gear. The rack 502 is fixed to the outer wall of the purification chamber 8. The gear 501 is driven by an electric motor fixed to the hull 1. The purification chamber 8 can be lifted and lowered as needed. Figure 4 As shown, in addition, the lifting device 5 can also be implemented by a hydraulic lifting mechanism. A hydraulic lifting cylinder 511, a hydraulic pump, etc. can be installed on the hull outside the water-friendly well 13. Two support beams 512 are balanced on the outer side of the top of the purification chamber 8. The outer end of the support beams 512 is supported by the push rods of multiple hydraulic lifting cylinders 511 to lift the purification chamber 8 at any time.

[0049] The second self-priming pump 11 is a ZW type self-priming non-clogging sewage pump with strong sewage suction capacity, which effectively avoids the problem of pump blockage. The first movable pipe 61 is preferably a spring water inlet pipe, and the second movable pipe 111 is preferably a spring sewage inlet pipe. Of course, the above can also be set up with hoses, telescopic pipes, etc., so as not to affect the movement of the purification chamber.

[0050] like Figure 6 As shown, an external aeration pipe 10 is provided on the hull below the waterline of the hull 1. The blower 7 is connected to the movable air pipe 71. The movable air pipe 71 is connected to the external aeration pipe 10 through the first air pipe 711. The external aeration pipe can also remove harmful microorganisms in the water, so the blower 7 can be used for multiple purposes.

[0051] Example 3: For energy conservation and environmental protection, a solar panel 3 is also installed on the top of the hull 1. A solar support bracket 31 is provided at the bottom of the solar panel 3. The solar panel 3 is connected to a solar battery, which is connected to the hull's motor. When operating, it provides power to the hull; when not operating, it charges the solar battery. The solar panel used in this invention is a monocrystalline silicon solar panel with a photoelectric conversion efficiency of 15%–24%. Monocrystalline silicon is generally encapsulated with tempered glass and waterproof resin, making it sturdy and durable, with a service life generally up to 15 years and up to 25 years. Therefore, it is suitable for use on hulls. Its high conversion efficiency can meet the general power supply needs of the hull, and its long service life is beneficial for continuous operation of the hull.

[0052] Example 4: Figure 5 As shown, the lifting device 5 can also be provided in two forms. For example, the gantry 52 at the top of the hull 1 is equipped with multiple electric hoists 53, and the end of the lifting cable 51 of the electric hoist 53 is movably connected to the filter module 9. The rack 502 is fixed on the outer wall of the purification chamber 8. The rack 502 meshes with a gear, and the gear 501 is driven by an electric motor fixed on the hull 1.

[0053] This allows for maximum freedom of movement during the inspection, replacement, and installation of the filter module 9. For example, during inspection, the filter module 9 can be lifted directly before the operation, making it very convenient.

[0054] Of course, a better approach is to simply install a gantry frame 52 on the top of the hull 1. The gantry frame 52 is equipped with multiple electric hoists 53. The ends of the lifting cables 51 of the electric hoists 53 are movably connected to the filter module 9 and the purification chamber 8 respectively when needed.

[0055] Example 5: In addition, as Figure 2As shown, a hoist 121 is also installed in the hull at the outlet of the sludge dewatering machine 12, and a conveyor belt 122 is installed on the other side of the hoist 121. The dewatered algal sludge falls into the hoist through the inclined surface, and the hoist transports the sludge onto the conveyor belt 122, and then throws it to the shore or a garbage recycling ship for recycling.

[0056] Experimental example: A prototype water purification vessel for removing algal blooms from algae-containing water bodies across the entire watershed, designed based on the concept of this invention. The test pond is approximately three acres, and the control pond is approximately three acres.

[0057] Step 1: Using conventional technical methods, a bloom of algae was induced in the test pond and the observation pond. Multiple samples were taken from both ponds, filtered through a membrane, and the collected substances were then washed and preserved with a fixed amount of distilled water. The substances were then fixed with a fixative, precipitated, and sampled for testing. Finally, the content of cyanobacteria in the water of the two ponds was found to be 18-19 g / L.

[0058] The second step: The purification vessel was driven into the water to be cleaned to test the content of blue-green algae in the water. After the treatment was completed, the water was tested again. The content of blue-green algae in the water was between 0.00001 and 0.00002 g / L.

[0059] Step 3: After 60 days, take samples from the water body for testing again. The cyanobacteria content in the water body is still between 0.00001-0.00002 g / L, which is considered to be at an excellent level.

[0060] The control pond tested showed that the concentration of blue-green algae in the water exceeded 19 g / L, indicating a state of severe pollution.

[0061] The above-described embodiments are merely illustrative of several implementations of the present invention, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the invention. It should be noted that those skilled in the art can make various modifications and improvements to the above embodiments without departing from the concept of the present invention, and these modifications and improvements all fall within the scope of protection of the present invention.

[0062] Therefore, the scope of protection of this invention patent shall be determined by the appended claims.

Claims

1. A vessel for removing algal blooms and purifying algae-containing water bodies throughout a whole watershed, comprising a hull (1), characterized in that: The hull (1) is equipped with a first self-priming pump (6), a second self-priming pump (11), and a sludge dewatering machine (12). A hydrophilic well (13) penetrating the bottom of the hull (1) is provided in the middle of the hull (1). A purification chamber (8) is slidably installed inside the hydrophilic well (13). A lifting device (5) connected to the purification chamber (8) is provided on the hull above the hydrophilic well (13). A filter module (9) is provided inside the purification chamber (8). The water outlet of the filter module (9) is connected to the water inlet of the product water pump (92). The outlet of the water pump (92) is connected to the purified water pipe (94) extending to the outside of the purification chamber. The part of the hull (1) below the waterline is provided with an algae-containing water inlet (62). The algae-containing water inlet (62) is connected to the inlet of the first self-priming pump (6) through a pipe (63). The outlet of the first self-priming pump (6) is connected to the purification chamber (8) through a first movable pipe (61). The bottom of the purification chamber (8) is connected to the second self-priming pump (1) through a second movable pipe (111). 1) The inlet of the second self-priming pump (11) is connected to the outlet of the sludge dewatering machine (12); the first movable pipe (61) is a spring inlet pipe, and the second movable pipe (111) is a spring sludge inlet pipe; the lifting device (5) is also movably connected to the filter module (9); the hull (1) is also equipped with a blower (7), and the hull (1) below the waterline is equipped with an external aeration pipe (10), and the blower (7) is connected to the sludge dewatering machine (12) through the movable air The pipe (71) is connected to the external aeration pipe (10) and the aeration device in the filter module (9) respectively; the gantry (52) on the top of the hull (1) is equipped with multiple electric hoists (53), the end of the lifting cable (51) of the electric hoist (53) is movably connected to the filter module (9), and a rack (502) is fixed on the outer wall of the purification chamber (8). The rack (502) meshes with a gear, and the gear (501) is driven by an electric motor fixed on the hull (1).

2. The algal bloom removal and purification vessel for algae-containing water bodies across the entire watershed according to claim 1, characterized in that: The lifting device (5) includes a gantry (52) set on the top of the hull (1), and a plurality of electric hoists (53) are provided on the top of the gantry (52). The end of the lifting cable (51) of the electric hoist (53) is connected to the purification chamber (8).

3. The algal bloom removal and purification vessel for algae-containing water bodies across the entire watershed according to claim 1, characterized in that: The lifting device (5) includes a gear (501) and a rack (502) meshing with the gear. The rack (502) is fixed on the outer wall of the purification chamber (8). The gear (501) is driven by an electric motor fixed on the hull (1).

4. The algal bloom removal and purification vessel for algae-containing water bodies across the entire watershed according to claim 1, characterized in that: The hull (1) is also equipped with a solar panel (3), and the bottom of the solar panel (3) is equipped with a solar bracket (31).

5. The algal bloom removal and purification vessel for algae-containing water bodies across the entire watershed according to claim 1, characterized in that: The stern of the hull (1) is equipped with a hoist (121) and a conveyor belt (122). The outlet of the sludge dewatering machine (12) is connected to the inlet of the hoist (121), and the outlet of the hoist (121) is connected to one end of the conveyor belt (122).

6. The algal bloom removal and purification vessel for algae-containing water bodies across the entire watershed according to claim 1, characterized in that: The filter module (9) is a curtain-type filter membrane assembly.

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