System for biologically treating high-hardness wastewater

Abstract

The utility model discloses a system for biologically treating high-hardness wastewater, which is applied to the field of wastewater treatment and comprises a sedimentation tank, a reaction tank is arranged on one side of the sedimentation tank, a filter mechanism is arranged in the sedimentation tank, and an aeration mechanism is arranged in the reaction tank. When in use, the high-hardness wastewater is firstly introduced into the sedimentation tank, then large particles, precipitates and other impurities in the high-hardness wastewater are filtered through the filtering mechanism, then the high-hardness wastewater is precipitated in the sedimentation tank, and the precipitated high-hardness wastewater is conveyed into the reaction tank; then, proper microbial strains are added into the reaction tank, and organic matters and hard substances in the wastewater are degraded by virtue of energy generated by metabolism of the microbial strains, so that the influence on the environment is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of wastewater treatment, and particularly relates to a system for biologically treating high-hardness wastewater. Background Art

[0002] The treatment of high-hardness and high-organic content wastewater has always been a difficult research problem at home and abroad. Taking leachate as an example, it has a high concentration of organic pollution, ammonia nitrogen, and contains a large amount of soluble solids and heavy metal ions. If not properly treated, it will cause serious pollution to the surrounding water and soil.

[0003] The Chinese utility model patent currently announced as CN212375054U discloses a high-hardness wastewater treatment device, which is provided with a raw liquid tank, the liquid outlet of the raw liquid tank is connected to a separation device through a pipeline, the separation device includes a sedimentation tank and a membrane separator, the two outlets of the membrane separator are respectively connected to a concentrate tank and a separation liquid tank, the separation liquid tank is connected to a filter device through a pipeline, the filter device includes an ultrafilter and a reverse osmosis device, and the reverse osmosis device is connected to a recovery tank through a pipeline. In the utility model, through the setting of the separation device and the filtering device, the rough separation, fine filtration and are organically combined to achieve the softening and concentration of high-hardness wastewater, and the effect of high-hardness wastewater separation and treatment is enhanced through multi-stage separation and filtration, and the whole treatment process achieves no wastewater discharge.

[0004] This patent uses chemical treatment agents to treat high-hardness wastewater, but treating high-hardness wastewater by chemical methods will produce chemical residues or by-products, which have a great impact on the environment. Utility Model Content

[0005] The purpose of the utility model is to provide a system for biological treatment of high-hardness wastewater, which solves the problem that an existing system for biological treatment of high-hardness wastewater treats high-hardness wastewater through chemical treatment agents, but treating high-hardness wastewater through chemical methods will produce chemical agent residues or by-products, which have a great impact on the environment.

[0006] The above technical purpose of the utility model is achieved through the following technical scheme: a system for biologically treating high-hardness wastewater, comprising a sedimentation tank, a reaction tank is arranged on one side of the sedimentation tank, a filtering mechanism is arranged inside the sedimentation tank, and an aeration mechanism is arranged inside the reaction tank;

[0007] The filtering mechanism includes a slot, a connecting column, a first filter plate, a second filter plate and a first handle. The slot is arranged on the inner wall of the sedimentation tank. There are four slots and they are arranged in a circle. The connecting column is arranged in the slot. The cross-sections of the slot and the connecting column are both convex. The first filter plate and the second filter plate are both arranged on the connecting column. The aperture of the second filter plate is smaller than that of the first filter plate. The first handle is arranged on the first filter plate.

[0008] The above technical scheme is adopted, by setting a sedimentation tank, a reaction tank, a filtering mechanism and an aeration mechanism. When in use, the high-hardness wastewater is first passed into the sedimentation tank, and then the large particles, sediments and other impurities in the high-hardness wastewater are filtered through the filtering mechanism, and then the high-hardness wastewater is precipitated in the sedimentation tank. The high-hardness wastewater after precipitation is transported to the reaction tank, and then a suitable microbial strain is added to the reaction tank, and the organic matter and hardness substances in the wastewater are degraded by relying on the energy generated by the metabolism of the microbial strain. The filtering mechanism includes a card slot, a connecting column, a first filter plate, a second filter plate and a first handle. When in use, the first filter plate and the second filter plate can be fixed in the sedimentation tank through the coordinated use of the connecting column and the card slot, and the solid impurities in the high-hardness wastewater are filtered through the first filter plate and the second filter plate, and the filtering effect can be improved through multi-stage filtration, and the connecting column, the first filter plate and the second filter plate can be taken out, so as to facilitate the cleaning of the first filter plate and the second filter plate.

[0009] The utility model is further configured as follows: the aeration mechanism includes an aerator, a connecting hose, a delivery pipe, a fixing plate and an aeration pipe, the aerator is arranged on the reaction tank, the connecting hose is arranged on the aerator, the delivery pipe is arranged at the other end of the connecting hose, the fixing plate is arranged at one end of the delivery pipe, the fixing plate is arranged on the reaction tank, the delivery pipe is rotatably connected to the fixing plate, and the aeration pipe is arranged on the delivery pipe and extends to the interior of the reaction tank.

[0010] By adopting the above technical scheme, an aerator, a connecting hose, a delivery pipe, a fixed plate and an aeration pipe are arranged. When in use, the aerator can first transport oxygen, and transport the oxygen to the connecting hose, the delivery pipe and the aeration pipe at one time, and finally allow the oxygen to enter the reaction tank to provide an environment for the growth of microbial strains. Then the delivery pipe is rotatably arranged on the fixed plate, and the delivery pipe can be rotated to expose the aeration pipe to the reaction tank, so that the aeration pipe can be regularly cleaned.

[0011] The utility model is further configured as follows: a floating plate is arranged inside the sedimentation tank, the floating plate is hollow, a water suction head is arranged on the lower surface of the floating plate, a counterweight plate is arranged on the upper surface of the floating plate, a telescopic hose is arranged on the floating plate, the other end of the telescopic hose extends to the interior of the reaction tank, a water pump is arranged on the reaction tank, and the water pump is used in conjunction with the telescopic hose.

[0012] The above technical scheme is adopted, by setting a floating plate, a water suction head, a counterweight plate, a telescopic hose and a water pump. When in use, the floating plate is first set inside the sedimentation tank so that the floating plate can float on the water surface. Then a counterweight plate of appropriate weight is set on the floating plate to press the floating plate downward so that the water suction head goes underwater. Then the water suction head can suck the precipitated wastewater into the inside of the floating plate. Then the water pump is turned on to discharge the precipitated wastewater into the reaction tank through the telescopic hose. As the water level drops, the floating plate will also drop accordingly, which can efficiently discharge the precipitated wastewater and avoid sucking in sediment.

[0013] The utility model is further configured as follows: a sealing cover is arranged at the upper end of the sedimentation tank, and a second handle is arranged on the sealing cover.

[0014] By adopting the above technical solution, by providing a sealing cover and a second handle, when in use, the sealing cover can seal the sedimentation tank to prevent external impurities from entering the sedimentation tank, and then the second handle can provide a fulcrum for the staff.

[0015] The utility model is further configured as follows: a controller and a display screen are arranged on the reaction tank, and the controller and the display screen are electrically connected to the water pump and the aerator.

[0016] By adopting the above technical solution, by setting up a controller and a display screen, when in use, firstly the controller can control the aerator and the water pump, and the display screen can display the data.

[0017] The utility model is further configured as follows: a discharge pipe is arranged at the bottom of the sedimentation tank, and a valve is arranged on the discharge pipe.

[0018] By adopting the above technical solution, a discharge pipe and a valve are provided, so that the sediment can be discharged through the discharge pipe, and then the valve can control the discharge pipe.

[0019] The utility model is further configured as follows: support columns are arranged on the sedimentation tank, the number of the support columns is three and they are arranged in a circle, and anti-slip pads are arranged on the lower surfaces of the support columns.

[0020] By adopting the above technical solution, by setting support columns and anti-skid mats, when in use, the support columns can first support the sedimentation tank, and then the anti-skid mats can increase the friction between the support columns and the ground, thereby further improving the stability of the sedimentation tank.

[0021] In summary, the utility model has the following beneficial effects:

[0022] By setting a card slot, a connecting column, a first filter plate, a second filter plate and a first handle, when in use, the first filter plate and the second filter plate can be fixed in the sedimentation tank through the coordinated use of the connecting column and the card slot, and the solid impurities in the high-hardness wastewater can be filtered through the first filter plate and the second filter plate. Through multi-stage filtration, the filtering effect can be improved, and the connecting column, the first filter plate and the second filter plate can be taken out, so that the first filter plate and the second filter plate can be cleaned conveniently.

[0023] By arranging an aerator, a connecting hose, a delivery pipe, a fixing plate and an aeration pipe, when in use, the aerator can firstly deliver oxygen, and deliver the oxygen to the connecting hose, the delivery pipe and the aeration pipe at one time, and finally allow the oxygen to enter the reaction tank, providing an environment for the growth of microbial strains, and then the delivery pipe is rotatably arranged on the fixing plate, and the delivery pipe can be rotated to expose the aeration pipe to the reaction tank, so that the aeration pipe can be regularly cleaned.

[0024] Based on the above improvements, the overall technical effect achieved by the device is that it can degrade organic matter and hardness substances in wastewater through the energy generated by the metabolism of microbial strains, thereby reducing the impact on the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0026] Figure 2 It is a left view of the utility model;

[0027] Figure 3 The utility model Figure 2 Stereoscopic cross-section at AA in the middle;

[0028] Figure 4 It is a structural schematic diagram of the floating plate, water suction head and counterweight plate of the utility model;

[0029] Figure 5 It is a structural schematic diagram of the aeration mechanism of the utility model;

[0030] Figure 6 It is a structural schematic diagram of the filtering mechanism of the utility model.

[0031] In the figure, 1. sedimentation tank; 2. reaction tank; 3. filtering mechanism; 4. aeration mechanism; 5. floating plate; 6. water suction head; 7. counterweight plate; 8. telescopic hose; 9. water pump; 10. sealing cover; 11. second handle; 12. controller; 13. display screen; 14. discharge pipe; 15. valve; 16. support column; 17. anti-slip mat; 301. slot; 302. connecting column; 303. first filter plate; 304. second filter plate; 305. first handle; 401. aerator; 402. connecting hose; 403. delivery pipe; 404. fixing plate; 405. aeration pipe. DETAILED DESCRIPTION

[0032] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0033] Example:

[0034] See also Figure 1-Figure 6 The utility model provides a technical solution: a biological treatment system for high-hardness wastewater, comprising a sedimentation tank 1, a reaction tank 2 is arranged on one side of the sedimentation tank 1, a filtering mechanism 3 is arranged inside the sedimentation tank 1, and an aeration mechanism 4 is arranged inside the reaction tank 2;

[0035] The filtering mechanism 3 includes a slot 301, a connecting column 302, a first filter plate 303, a second filter plate 304 and a first handle 305. The slot 301 is arranged on the inner wall of the sedimentation tank 1. There are four slots 301 and they are arranged in a circle. The connecting column 302 is arranged in the slot 301. The cross-sections of the slot 301 and the connecting column 302 are both convex. The first filter plate 303 and the second filter plate 304 are both arranged on the connecting column 302. The aperture of the second filter plate 304 is smaller than the aperture of the first filter plate 303. The first handle 305 is arranged on the first filter plate 303.

[0036] By setting a sedimentation tank 1, a reaction tank 2, a filtering mechanism 3 and an aeration mechanism 4, when in use, the high-hardness wastewater is first passed into the sedimentation tank 1, and then the large particles, sediments and other impurities in the high-hardness wastewater are filtered through the filtering mechanism 3, and then the high-hardness wastewater is precipitated in the sedimentation tank 1, and the high-hardness wastewater after precipitation is transported to the reaction tank 2, and then a suitable microbial strain is added to the reaction tank 2, and the organic matter and hardness substances in the wastewater are degraded by the energy generated by the metabolism of the microbial strain, wherein the filtering mechanism 3 includes a card slot 301, a connecting column 3 02. The first filter plate 303, the second filter plate 304 and the first handle 305, when in use, can be fixed in the sedimentation tank 1 by the use of the connecting column 302 and the card slot 301, and the solid impurities in the high-hardness wastewater can be filtered by the first filter plate 303 and the second filter plate 304, and the filtering effect can be improved through multi-stage filtration, and the connecting column 302, the first filter plate 303 and the second filter plate 304 can be taken out, so as to facilitate the cleaning of the first filter plate 303 and the second filter plate 304.

[0037] refer to Figure 5 The aeration mechanism 4 includes an aerator 401, a connecting hose 402, a delivery pipe 403, a fixing plate 404 and an aeration pipe 405. The aerator 401 is arranged on the reaction tank 2, the connecting hose 402 is arranged on the aerator 401, the delivery pipe 403 is arranged at the other end of the connecting hose 402, the fixing plate 404 is arranged at one end of the delivery pipe 403, the fixing plate 404 is arranged on the reaction tank 2, the delivery pipe 403 is rotatably connected to the fixing plate 404, the aeration pipe 405 is arranged on the delivery pipe 403 and extends to the interior of the reaction tank 2. An aerator 401, a connecting hose 402, a delivery pipe 403, a fixing plate 404 and an aeration pipe 405 are arranged. When in use, the aerator 401 can firstly deliver oxygen, and deliver the oxygen to the connecting hose 402, the delivery pipe 403 and the aeration pipe 405 at one time, so that the oxygen finally enters the reaction tank 2 to provide an environment for the growth of microbial strains. Then, the delivery pipe 403 is rotatably arranged on the fixing plate 404, and the delivery pipe 403 can be rotated to expose the aeration pipe 405 to the reaction tank 2, so that the aeration pipe 405 can be regularly cleaned.

[0038] refer to Figure 4The interior of the sedimentation tank 1 is provided with a floating plate 5, which is hollow. A water suction head 6 is provided on the lower surface of the floating plate 5, and a counterweight plate 7 is provided on the upper surface of the floating plate 5. A telescopic hose 8 is provided on the floating plate 5, and the other end of the telescopic hose 8 extends to the interior of the reaction tank 2. A water pump 9 is provided on the reaction tank 2, and the water pump 9 is used in conjunction with the telescopic hose 8. By arranging the floating plate 5, the water suction head 6, the counterweight plate 7, the telescopic hose 8 and the water pump 9, when in use, the floating plate 5 is first arranged inside the sedimentation tank 1, and the floating plate 5 can float on the water surface. Then, a counterweight plate 7 of appropriate weight is arranged on the floating plate 5, which can press the floating plate 5 downward so that the water suction head 6 enters underwater. Then, the water suction head 6 can suck the precipitated waste water into the interior of the floating plate 5, and then the water pump 9 is turned on to discharge the precipitated waste water into the reaction tank 2 through the telescopic hose 8. As the water level drops, the floating plate 5 will also drop accordingly, which can efficiently discharge the precipitated waste water and avoid sucking in sediment.

[0039] refer to Figure 1 A sealing cover 10 is provided at the upper end of the sedimentation tank 1, and a second handle 11 is provided on the sealing cover 10. By providing the sealing cover 10 and the second handle 11, when in use, the sealing cover 10 can seal the sedimentation tank 1 to prevent external impurities from entering the sedimentation tank 1, and then the second handle 11 can provide a fulcrum for the staff.

[0040] refer to Figure 1 A controller 12 and a display screen 13 are provided on the reaction tank 2. The controller 12 and the display screen 13 are electrically connected to the water pump 9 and the aerator 401. By providing the controller 12 and the display screen 13, when in use, firstly, the controller 12 can control the aerator 401 and the water pump 9, and the display screen 13 can display the data.

[0041] refer to Figure 1 A discharge pipe 14 is provided at the bottom of the sedimentation tank 1 , and a valve 15 is provided on the discharge pipe 14 . By providing the discharge pipe 14 and the valve 15 , the sediment can be discharged through the discharge pipe 14 , and then the valve 15 can control the discharge pipe 14 .

[0042] refer to Figure 1 The sedimentation tank 1 is provided with support columns 16, and the number of the support columns 16 is three and they are arranged in a circle. The lower surface of the support columns 16 is provided with anti-skid pads 17. By arranging the support columns 16 and the anti-skid pads 17, when in use, the support columns 16 can first support the sedimentation tank 1, and then the anti-skid pads 17 can increase the friction between the support columns 16 and the ground, thereby further improving the stability of the sedimentation tank 1.

[0043] Brief description of the usage process:

[0044] When in use, firstly, high-hardness wastewater is passed into the sedimentation tank 1, and the first filter plate 303 and the second filter plate 304 can be fixed in the sedimentation tank 1 by the coordinated use of the connecting column 302 and the card slot 301, and the solid impurities in the high-hardness wastewater are filtered by the first filter plate 303 and the second filter plate 304, and the filtering effect can be improved by multi-stage filtration, and the connecting column 302, the first filter plate 303 and the second filter plate 304 can be taken out, so that the first filter plate 303 and the second filter plate 304 can be cleaned conveniently;

[0045] Then the floating plate 5 is arranged inside the sedimentation tank 1, and the floating plate 5 can float on the water surface, and then a counterweight plate 7 of appropriate weight is arranged on the floating plate 5, which can press the floating plate 5 downward, so that the water suction head 6 enters underwater, and then the water suction head 6 can suck the waste water after precipitation into the floating plate 5, and then turn on the water pump 9, and discharge the waste water after precipitation into the reaction tank 2 through the telescopic hose 8. As the water level drops, the floating plate 5 will also drop accordingly, which can efficiently discharge the waste water after precipitation and avoid sucking sediment;

[0046] Finally, the aerator 401 can transport oxygen to the connecting hose 402, the delivery pipe 403 and the aeration pipe 405 at one time, and finally allow the oxygen to enter the reaction tank 2 to provide an environment for the growth of microbial strains. Then the delivery pipe 403 is rotatably set on the fixed plate 404. By rotating the delivery pipe 403, the aeration pipe 405 can be exposed from the reaction tank 2, which is convenient for regular cleaning of the aeration pipe 405.

[0047] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

Claims

1. A system for biologically treating high-hardness wastewater, comprising a sedimentation tank (1), characterized in that: A reaction tank (2) is arranged on one side of the sedimentation tank (1), a filtering mechanism (3) is arranged inside the sedimentation tank (1), and an aeration mechanism (4) is arranged inside the reaction tank (2); The filtering mechanism (3) comprises a card slot (301), a connecting column (302), a first filter plate (303), a second filter plate (304) and a first handle (305); the card slot (301) is arranged on the inner wall of the sedimentation tank (1); the card slots (301) are four in number and arranged in a circle; the connecting column (302) is arranged in the card slot (301); the cross sections of the card slot (301) and the connecting column (302) are both convex; the first filter plate (303) and the second filter plate (304) are both arranged on the connecting column (302); the aperture of the second filter plate (304) is smaller than the aperture of the first filter plate (303); and the first handle (305) is arranged on the first filter plate (303).

2. A system for biologically treating high-hardness wastewater according to claim 1, characterized in that: The aeration mechanism (4) comprises an aerator (401), a connecting hose (402), a delivery pipe (403), a fixing plate (404) and an aeration pipe (405); the aerator (401) is arranged on the reaction tank (2); the connecting hose (402) is arranged on the aerator (401); the delivery pipe (403) is arranged at the other end of the connecting hose (402); the fixing plate (404) is arranged at one end of the delivery pipe (403); the fixing plate (404) is arranged on the reaction tank (2); the delivery pipe (403) is rotatably connected to the fixing plate (404); and the aeration pipe (405) is arranged on the delivery pipe (403) and extends to the interior of the reaction tank (2).

3. A system for biologically treating high-hardness wastewater according to claim 1, characterized in that: A floating plate (5) is arranged inside the sedimentation tank (1), the floating plate (5) is hollow, a water suction head (6) is arranged on the lower surface of the floating plate (5), a counterweight plate (7) is arranged on the upper surface of the floating plate (5), a telescopic hose (8) is arranged on the floating plate (5), the other end of the telescopic hose (8) extends to the inside of the reaction tank (2), and a water pump (9) is arranged on the reaction tank (2), and the water pump (9) is used in conjunction with the telescopic hose (8).

4. A system for biologically treating high-hardness wastewater according to claim 1, characterized in that: A sealing cover (10) is provided at the upper end of the sedimentation tank (1), and a second handle (11) is provided on the sealing cover (10).

5. A system for biologically treating high-hardness wastewater according to claim 2, characterized in that: The reaction tank (2) is provided with a controller (12) and a display screen (13), and the controller (12) and the display screen (13) are electrically connected to the water pump (9) and the aerator (401).

6. A system for biologically treating high-hardness wastewater according to claim 1, characterized in that: A discharge pipe (14) is provided at the bottom of the sedimentation tank (1), and a valve (15) is provided on the discharge pipe (14).

7. A system for biologically treating high-hardness wastewater according to claim 1, characterized in that: The sedimentation tank (1) is provided with support columns (16), the number of the support columns (16) is three and they are arranged in a circle, and the lower surface of the support columns (16) is provided with an anti-slip pad (17).

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