An emergency treatment device for deep water body

Abstract

The application belongs to the field of water pollution emergency treatment, and particularly relates to a deep water body emergency treatment device, which comprises a buoyancy platform, an electric lifting device, a purification device and a PLC. The center of the buoyancy platform is hollowed out. The electric lifting device is installed at the center of the buoyancy platform. The purification device comprises a medicine storage bin, a pressure pump and a spraying module. The medicine storage bin and the pressure pump are arranged on the surface of the buoyancy platform. The PLC is arranged on the medicine storage bin. The spraying module is arranged on the electric lifting device. The spraying module is connected with the pressure pump and the medicine storage bin in sequence through pipelines. The electric lifting device and the pressure pump are electrically connected with the PLC. The application can quickly treat water pollution of different depths, improve the water pollution disposal efficiency, and avoid secondary pollution caused by excessive drug delivery.

Description

TECHNICAL FIELD

[0001] The application belongs to the field of water pollution emergency treatment, and particularly relates to a deep water body emergency treatment device. BACKGROUND

[0002] Deep water body emergency treatment is a rapid, efficient and targeted technical means and management measure taken in deep water areas (such as lakes, reservoirs, deep wells, oceans, etc.) for sudden water environmental pollution events or water quality deterioration problems. The core goal is to control pollution diffusion, reduce ecological risk, restore water quality, and reduce harm to the ecosystem and human health.

[0003] The existing deep water body emergency treatment method usually adopts the mode of drug delivery by ship. Although this treatment method is simple to operate, due to the stratification phenomenon (such as thermocline) in deep water areas, surface drug delivery is difficult to penetrate to the bottom layer, resulting in uneven treatment effect and ineffective removal of pollutants. In order to ensure the coverage of the drug, it is often necessary to over-dose, which not only increases the cost, but also may cause secondary pollution of the water body.

[0004] Therefore, how to provide a deep water body emergency treatment device for controlling the depth of drug delivery and improve the disposal efficiency and reduce the ecological risk has become a problem that those skilled in the art need to consider. SUMMARY

[0005] In view of the problems existing in the prior art, a deep water body emergency treatment device is disclosed in the present application. The present application can directly deliver drugs for different depths of water body, improve the disposal efficiency of deep water body pollution, and minimize the impact on the environment during the treatment process. The present application specifically discloses the following technical solutions:

[0006] A deep water body emergency treatment device, comprising a buoyancy platform, an electric lifting device, a purification device and a PLC, the center of the buoyancy platform is hollow, the electric lifting device is installed at the center of the buoyancy platform, the purification device comprises a drug storage bin, a pressure pump and a spraying module, the drug storage bin and the pressure pump are arranged on the surface of the buoyancy platform, the PLC is arranged on the drug storage bin, the spraying module is arranged on the electric lifting device, the spraying module is connected with the pressure pump and the drug storage bin in sequence through a pipeline, and the electric lifting device and the pressure pump are electrically connected with the PLC.

[0007] Further, the electric lifting device comprises a vertical guide rail frame and a winch, one end of the vertical guide rail frame is inserted into the water body, the other end of the vertical guide rail frame is fixed at the center of the buoyancy platform, and the winch is arranged at the rear of the vertical guide rail frame and used for traction of the spraying module.

[0008] Further, the spraying module comprises a mounting frame and a diffusion spray head, the mounting frame is slidingly arranged on the vertical guide rail frame, the mounting frame is fixedly connected with the steel wire rope on the winch, and the diffusion spray head is arranged around the inner and outer sides of the mounting frame.

[0009] Further, the water quality monitoring sensor and the water depth sensor are arranged on the mounting frame, and the water quality monitoring sensor and the water depth sensor are electrically connected with the PLC.

[0010] Further, the purification device further comprises an adsorption module and a cyclone aeration module, the cyclone aeration module is arranged below the mounting frame, the adsorption module is arranged between the cyclone aeration module and the mounting frame, and the cyclone aeration module is electrically connected with the PLC.

[0011] Further, the cyclone aeration module comprises a support frame, a conical fairing, a double-stage centrifugal impeller, a waterproof motor, an annular aeration pipe and an air compressor, the support frame is arranged at the bottom of the mounting frame, the conical fairing is arranged at the bottom of the support frame, the double-stage centrifugal impeller is arranged at the top of the conical fairing, the waterproof motor is arranged on the support frame and used for driving the double-stage centrifugal impeller, the annular aeration pipe is arranged in a spiral shape, the annular aeration pipe is arranged above the double-stage centrifugal impeller and surrounds the waterproof motor, and the air compressor is arranged on the floating platform and connected with the annular aeration pipe.

[0012] Further, the adsorption module comprises a plurality of layers of stainless steel mesh cages arranged in a cylindrical shape, and the plurality of layers of stainless steel mesh cages are sequentially provided with an oil absorption felt, modified clay and activated carbon particles from the outside to the inside.

[0013] Further, a bottom protection net is further arranged at the bottom of the conical fairing.

[0014] Further, an anchor chain is further arranged, and the floating platform is fixed on the water body through the anchor chain.

[0015] The beneficial effects of the present application are as follows:

[0016] 1. The present application is provided with a floating platform, an electric lifting device and a purification device, which can be transported to the top of the pollution source by a ship, and the purification device is transported to the stratified water body of the pollution source by the electric lifting device, so that the emergency treatment of water bodies at different depths is realized, the spread of pollution is effectively controlled, and the influence on the ecological system during the treatment process is reduced.

[0017] 2.The present application generates centripetal cyclone by impeller rotation, sucks the bottom pollutants (such as deposited algae, oil stains, etc.) upward to the aeration zone, the micro-bubbles released by nano-aeration pipe rise along the cyclone trajectory, forming a spiral gas-liquid mixing zone, forcing the water flow through the adsorption module, prolonging the contact time of pollutants and adsorption module, the multi-layer stainless steel mesh cylinder fills the gradient adsorption material, wrapped in the outer periphery of the aeration cyclone, using the centrifugal force generated by cyclone to realize the coarse particle pollutants being thrown to the outer adsorption net, the colloidal pollutants carried by micro-bubbles gather in the middle layer due to the density difference, the pollutants attached to the surface of nano-bubbles are intercepted by the adsorption layer, and the hydroxyl radicals released when the bubbles burst synchronously degrade the pollutants, and the inner layer activated carbon adsorbs the dissolved pollutants rising with the cyclone; the spraying module sprays the reagent along the cyclone rising path, and the reagent fully mixes with the pollutants, the forced cyclone generated by the impeller improves the diffusion speed of the reagent, avoiding the "reagent blind area" of traditional reagent, and the flocculant sprayed by the spraying module of the present application forms a micro-vortex in the cyclone, promoting the collision and agglomeration of fine particles, and improving the adsorption efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the main body schematic diagram in embodiment 1 of the present application;

[0019] Figure 2 It is the spraying module structure schematic diagram in embodiment 1 of the present application;

[0020] Figure 3 It is the main body structure schematic diagram in embodiment 2 of the present application;

[0021] Figure 4 It is the purification device sectional view in embodiment 2 of the present application;

[0022] Figure 5 It is the mounting rack structure schematic diagram in embodiment 2 of the present application.

[0023] Wherein, 1, buoyancy platform; 2, PLC; 3, anchor chain; 4, vertical guide rail frame; 5, winch; 6, angle steel support; 7, reagent storage bin; 8, pressure pump; 9, mounting rack; 10, diffusion nozzle; 11, support frame; 12, conical fairing; 13, double-stage centrifugal impeller; 14, waterproof motor; 15, annular aeration pipe; 16, air compressor; 17-nut; 18-multi-layer stainless steel mesh cage; 19-bottom protection net. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] Embodiment 1

[0026] With reference to the accompanying drawings Figures 1-2 The embodiment discloses a deep water emergency treatment device, which comprises a buoyancy platform 1, an electric lifting device, a purification device and a PLC 2. The buoyancy platform 1 is a floating raft spliced by hollow metal floats or PVC pipes. The center of the buoyancy platform 1 is hollow. The buoyancy platform 1 is fixed above the water body through anchor chains 3 with counterweights to adapt to different flow environments. The electric lifting device is installed at the center of the buoyancy platform 1. The electric lifting device comprises a vertical guide rail frame 4 and a winch 5. One end of the vertical guide rail frame 4 is inserted into the water body. The other end of the vertical guide rail frame 4 is fixedly installed at the center of the buoyancy platform 1 through an angle steel support 6. The winch 5 is arranged at the rear of the vertical guide rail frame 4 and is used for traction of a spraying module.

[0027] The purification device in the embodiment comprises a medicine storage bin 7, a pressure pump 8 and a spraying module. The medicine storage bin 7 and the pressure pump 8 are arranged on the surface of the buoyancy platform 1. The PLC 2 is arranged on the medicine storage bin 7. The spraying module is slidably arranged on the vertical guide rail frame 4. The spraying module is connected with the pressure pump 8 and the medicine storage bin 7 in sequence through pipelines. The winch 5 and the pressure pump 8 are electrically connected with the PLC 2.

[0028] As a preferred embodiment of the present application, the spraying module comprises a mounting frame 9 and a diffusion spray head 10. The mounting frame 9 in the embodiment has an 8-shaped structure. The mounting frame 9 is slidably installed on the vertical guide rail frame 4. The mounting frame 9 is fixedly connected with a steel wire rope on the winch 5. The diffusion spray head 10 is arranged on the inner and outer sides of the mounting frame 9 in a surrounding manner. The diffusion spray head 10 can uniformly add flocculants (such as polyaluminum chloride) or oxidizing agents (such as H2O2) into the water body.

[0029] As a preferred embodiment of the present application, the water quality monitoring sensor and the water depth sensor are further included. The water quality monitoring sensor and the water depth sensor are both arranged on the mounting frame 9. The water quality monitoring sensor and the water depth sensor are both electrically connected with the PLC 2.

[0030] The buoyancy platform 1 of the present application can be dragged to the upper part of the polluted area by a ship. The mounting frame 9 is lowered into the water body by the winch 5. The water quality monitoring sensor detects the depth of the water body with serious pollution. The water depth sensor transmits the detection result to the PLC 2. The PLC 2 controls and adjusts the pressure of the pressure pump 8. The flocculants and the oxidizing agents are sprayed in the area. The present application can uniformly add medicine to treat the pollution of the water body with different depths.

[0031] Embodiment 2

[0032] With reference to the accompanying drawings Figures 3-5The purification device in the embodiment further comprises an adsorption module and a cyclone aeration module. The cyclone aeration module is installed below the mounting rack 9 and is electrically connected with the PLC 2. The adsorption module is detachably installed between the cyclone aeration module and the mounting rack 9, facilitating replacement of the adsorbent in the adsorption module.

[0033] Specifically, the cyclone aeration module comprises a support frame 11, a conical fairing 12, a double-stage centrifugal impeller 13, a waterproof motor 14, an annular aeration pipe 15 and an air compressor 16. The support frame 11 is arranged through the top of the mounting rack 9 from below and is fastened by a nut 17. The conical fairing 12 is arranged at the bottom of the support frame 11. The inner wall of the conical fairing 12 is coated with a hydrophobic coating to reduce the adhesion of pollutants. The double-stage centrifugal impeller 13 is arranged at the top of the conical fairing 12 and is driven by the waterproof motor 14. The first-stage impeller of the double-stage centrifugal impeller adopts 6 rear-curved blades (inclination angle 45°) to suck the pollutants deposited at the bottom. The second-stage impeller adopts 4 front-inclined blades (inclination angle 30°) to generate high-speed cyclone to give the water flow a tangential velocity and form a spiral upward cyclone. The annular aeration pipe 15 in the embodiment is arranged in a spiral shape. The annular aeration pipe 15 is arranged above the double-stage centrifugal impeller 13 around the waterproof motor 14. In the embodiment, the annular aeration pipe 15 is installed at an inclination angle of 10°, so that the bubbles are sprayed along the tangent direction of the cyclone, prolonging the gas-liquid contact time. The bubbles and the cyclone water form a gas-liquid spiral co-track, improving the oxygen mass transfer efficiency. The air compressor 16 is arranged on the buoyancy platform 1 and is connected with the annular aeration pipe 15 by a pipeline.

[0034] The adsorption module comprises a multi-layer stainless steel mesh cage 18 arranged in a cylindrical shape. The outer side of the multi-layer stainless steel mesh cage 18 is welded with a slip ring, which is arranged on the support frame 11 between the conical fairing 12 and the mounting rack 9. The multi-layer stainless steel mesh cage 18 is sequentially provided with an oil absorption felt, modified clay and activated carbon particles from outside to inside. The outer layer of the oil absorption felt with large pore size is used to intercept suspended oil stains or algae blocks. The middle layer of the modified clay is used to adsorb colloidal phosphorus and organic matter. The inner layer of the activated carbon particles is used to adsorb dissolved small-molecule pollutants. In the embodiment, the multi-layer stainless steel mesh cage 18 is wrapped around the outer periphery of the aeration cyclone. At this time, the coarse particle pollutants are thrown to the outer adsorption net. The colloidal pollutants carried by the micro-bubbles gather to the middle layer due to the density difference. The dissolved pollutants rising with the cyclone are adsorbed by the inner layer of activated carbon.

[0035] In order to avoid the entry of stones, waterweeds and the like into the impeller, the bottom of the conical fairing 12 in the embodiment is provided with a bottom protective net 19.

[0036] The deep water body emergency treatment device in the embodiment can be used for emergency treatment of cyanobacteria outbreak in deep water reservoir: the emergency treatment device is lowered into the contaminated water body, and the cyclone aeration is started: the impeller sucks the bottom algae to the treatment zone, and the nano aeration inhibits the photosynthesis of algae; then gradient adsorption interception: the outer layer of oil felt captures the algae block, the middle layer of modified clay adsorbs the algae toxin, and the inner layer of activated carbon removes the odor; precise synergy of reagents: spray a small amount of H2O2(0.5ppm) to oxidize the exudates of algae, and reduce the risk of activated carbon blockage.

[0037] The above is only a preferred embodiment of the present application, and does not limit the technical scope of the present application in any way. Any slight modification, equivalent change and modification made to the above embodiment according to the technical essence of the present application still falls within the scope of the technical solution of the present application.

Claims

1. A device for emergency treatment of deep water bodies, characterized in that, The utility model provides a floating platform, electric lifting device, purification device and PLC, the center of the floating platform is hollowly arranged, the electric lifting device is installed at the center of the floating platform, the purification device includes a storage bin, a pressure pump and a spraying module, the storage bin and the pressure pump are arranged on the surface of the floating platform, the PLC is arranged on the storage bin, the spraying module is arranged on the electric lifting device, the spraying module is connected with the pressure pump and the storage bin through pipeline in sequence, the electric lifting device and the pressure pump are electrically connected with the PLC; The spraying module comprises a mounting frame and a diffusion nozzle, the mounting frame is slidably arranged on the vertical guide rail frame, the mounting frame is fixedly connected with the steel wire rope on the winch, and the diffusion nozzle is arranged on the inner and outer sides of the mounting frame. The purification device further comprises an adsorption module and a cyclone aeration module, the cyclone aeration module is arranged below the mounting frame, and the adsorption module is arranged between the cyclone aeration module and the mounting frame. The cyclone aeration module comprises a support frame, a conical flow guide cover, a double-stage centrifugal impeller, a waterproof motor, an annular aeration pipe and an air compressor, the support frame penetrates the bottom of the mounting frame, the conical flow guide cover is arranged at the bottom of the support frame, and the double-stage centrifugal impeller is arranged at the top of the conical flow guide cover. The first-stage impeller of the double-stage centrifugal impeller adopts six back-bending blades and is responsible for sucking the bottom sediment pollutants, the second-stage impeller adopts four forward-inclined blades and generates high-speed cyclone to give the water flow a tangential velocity and form a spiral upward cyclone, the waterproof motor is arranged on the support frame and is used for driving the double-stage centrifugal impeller, the annular aeration pipe is arranged in a spiral shape, is obliquely arranged, and enables the bubbles to be sprayed along the tangent direction of the cyclone, thereby prolonging the gas-liquid contact time, forming a gas-liquid spiral co-track with the cyclone water body, improving the oxygen mass transfer efficiency, the annular aeration pipe is arranged above the double-stage centrifugal impeller in a surrounding manner around the waterproof motor, and the air compressor is arranged on the floating platform and is connected with the annular aeration pipe through a pipeline. The adsorption module comprises a plurality of layers of stainless steel mesh cages arranged in a cylindrical shape, and the plurality of layers of stainless steel mesh cages are sequentially provided with an oil absorption felt, modified clay and activated carbon particles from the outside to the inside.

2. The emergency treatment device for deep water body according to claim 1, characterized in that, The electric lifting device comprises a vertical guide rail frame and a winch, one end of the vertical guide rail frame is inserted into the water body, the other end of the vertical guide rail frame is fixed at the center of the floating platform, and the winch is arranged at the rear of the vertical guide rail frame and is used for traction of the spraying module.

3. The emergency treatment device for deep water body according to claim 1, characterized in that, The utility model further comprises water quality monitoring sensors and water depth sensors, the water quality monitoring sensors and the water depth sensors are arranged on the mounting frame, and the water quality monitoring sensors and the water depth sensors are electrically connected with the PLC.

4. The emergency treatment device for deep water body according to claim 1, characterized in that, The utility model further comprises a bottom protective net arranged at the bottom of the conical flow guide cover. The utility model further comprises an anchor chain, and the floating platform is fixed on the water body through the anchor chain.

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