Urban river ecological restoration system

Abstract

The utility model relates to an ecological restoration system for urban river channels, which belongs to the technical field of ecological restoration systems for river channels and comprises a sedimentation tank and a filter tank, and a connecting mechanism is arranged on the back of the sedimentation tank. According to the urban river ecological restoration system, the oxygenating machine can be started, oxygen flows out through at least two oxygen outlet heads, the oxygen content in sewage in the sedimentation tank is increased, organic microorganisms in the sewage are decomposed into carbon dioxide and water, meanwhile, breeding of anaerobic microorganisms is hindered, toxic substances are prevented from being generated, and the ecological restoration effect is good. In addition, survival of aquatic organisms can be guaranteed, water quality can be maintained, and during oxygenation, an electric push rod can be started, an output shaft of the electric push rod drives no less than two stirring paddles to move downwards and be submerged in sewage, then a motor is started, the motor drives no less than two stirring paddles to stir the sewage, and the stirring paddles are driven by the motor to stir the sewage. Sewage in the sedimentation tank can be efficiently oxygenated, and the oxygenation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to river ecological restoration system technical field, concretely is a kind of urban river ecological restoration system. BACKGROUND

[0002] In recent years, with the acceleration of industrialization and the promotion of urbanization, a large amount of untreated domestic sewage and industrial wastewater is discharged into urban river, resulting in serious pollution of river water body and destruction of ecological system. The ecological restoration system of river can restore the sewage in urban river and effectively improve the water environmental quality.

[0003] For example, Chinese patent CN213295083U discloses a kind of urban river sewage ecological restoration system, including sedimentation tank, the one side of the sedimentation tank is fixedly connected with support plate, the top of the support plate is fixedly connected with oxygenation machine, the one side of the oxygenation machine is fixedly connected with oxygenation pipe, the oxygenation pipe is fixedly connected in the inside of sedimentation tank, the inside of the sedimentation tank is movably connected with baffle, the one side of the sedimentation tank is fixedly connected with fixed block, the utility model has the advantages that by setting sedimentation tank and filter tank, sewage in river flows into the inside of sedimentation tank, so that the sewage is deposited in the inside of sedimentation tank, during the process of deposition, oxygenation machine is opened, oxygen enters the inside of sedimentation tank through oxygenation pipe, increases the oxygen content in water, after deposition, the water deposited in sedimentation tank is pumped into the inside of filter tank, the sewage is treated in stages, the treatment effect is good, and the treatment efficiency is improved.

[0004] Although the above-mentioned patent can perform staged treatment on sewage, has good treatment effect and improves treatment efficiency, the inside of the sedimentation tank in the patent is not provided with a stirring mechanism, so that the oxygenation efficiency in the inside of the sedimentation tank is general, and the practicality is reduced. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of the prior art, the utility model provides a kind of urban river ecological restoration system, with the advantages of improving oxygenation efficiency and increasing the oxygen content in the inside of sedimentation tank, solves the problem that the inside of the sedimentation tank is not provided with a stirring mechanism, so that the oxygenation efficiency in the inside of the sedimentation tank is general, and the practicality is reduced.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of urban river ecological restoration system, including sedimentation tank and filter tank, the back of the sedimentation tank is provided with connecting mechanism, the filter tank is arranged at the right side of sedimentation tank, the right side of the sedimentation tank is provided with first fixed plate, the upper surface of the first fixed plate is provided with pumping mechanism, the inside of the filter tank is provided with support plate, the upper surface of the support plate is penetrated and is provided with the flow-through hole of not less than two in number, the upper surface of the support plate is provided with fine gravel layer, the upper surface of the fine gravel layer is provided with coarse gravel layer, the upper surface of the coarse gravel layer is provided with two active carbon adsorption layers, the lower side of filter tank right side is communicated with discharge structure;

[0007] The connecting mechanism includes support frame, electric push rod, connecting plate, motor, rotating rod, not less than two stirring paddles and connecting assembly, the support frame is arranged on the back of the sedimentation tank, the electric push rod is fixed on the upper surface of the support frame by mounting bracket, the outer side of the electric push rod output shaft is slidably penetrated through the support frame and extends to the inside, the connecting plate is arranged on the outer side of the electric push rod output shaft, the motor is fixed on the lower surface of the connecting plate by mounting bracket, the rotating rod is arranged on the outer side of the motor output shaft, and the not less than two stirring paddles are arranged on the outer side of the rotating rod.

[0008] The connecting assembly includes second fixed plate, oxygenator, oxygenation pipe, annular pipe and not less than two oxygen outlet heads, the second fixed plate is arranged on the left side of the sedimentation tank, the oxygenator is arranged on the upper surface of the second fixed plate, the oxygenation pipe is communicated at the oxygen outlet end of the oxygenator, the annular pipe is arranged on the inner circumferential wall of the sedimentation tank, and the not less than two oxygen outlet heads are all communicated at the lower surface of the annular pipe, and the bottom end of the oxygenation pipe is communicated with the upper surface of the annular pipe.

[0009] By adopting the technical scheme, the oxygenation efficiency is improved, and the oxygen content in the sewage inside the sedimentation tank is increased.

[0010] Further, the left side of the sedimentation tank is communicated with a sewage discharge structure, the sewage discharge structure includes a first sewage pipe, a first valve is communicated with the outer side of the left side of the first sewage pipe, and a second sewage pipe is communicated in the first valve.

[0011] By adopting the technical scheme, the sludge and impurities deposited on the bottom wall of the inner cavity of the sedimentation tank can be discharged through the sewage discharge structure.

[0012] Further, the discharge structure includes a first drain pipe, a second valve is communicated with the outer side of the right side of the first drain pipe, and a second drain pipe is communicated in the second valve.

[0013] By adopting the technical scheme, the water filtered can be discharged through the discharge structure.

[0014] Further, the water pumping mechanism comprises a water pump, a water outlet pipe, a limiting slide rod, a floating block, a movable water inlet pipe and a fixed pipe, the water pump is arranged on the upper surface of the first fixed plate, and the left side of the water outlet pipe is fixedly connected with the output end of the water pump.

[0015] By adopting the technical scheme, the water pumping mechanism can pump water.

[0016] Further, the limiting slide rod is arranged on the bottom wall of the inner cavity of the sedimentation tank, the floating block is slidingly connected to the outer side of the limiting slide rod, the right side of the movable water inlet pipe is fixedly connected with the water inlet end of the water pump, the end of the movable water inlet pipe away from the water pump is in communication with the top end of the fixed pipe, and the fixed pipe is arranged on the right side of the floating block through the mounting frame.

[0017] By adopting the technical scheme, the water pump can pump the clean water in the sedimentation tank to the inside of the filter tank for filtration.

[0018] Further, the plurality of stirring paddles are evenly distributed on the outer side of the rotating rod.

[0019] By adopting the technical scheme, the stirring effect of the sewage in the sedimentation tank is improved.

[0020] Further, the gap between the floating block and the limiting slide rod is matched, and the floating block moves linearly up and down on the outer side of the limiting slide rod.

[0021] By adopting the technical scheme, the floating block can move up and down on the outer side of the limiting slide rod according to the depth of water.

[0022] Further, the top end of the limiting slide rod is provided with a limiting plate.

[0023] By adopting the technical scheme, the floating block can be prevented from moving out on the outer side of the limiting slide rod through the limiting plate.

[0024] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0025] 1. The urban river ecological restoration system can pump the sewage in the city into the inside of the sedimentation tank through the water pump, can open the oxygenator, the oxygen flows out through the number of oxygen outlets not less than two, increases the oxygen content in the sewage in the inside of the sedimentation tank, increases the respiratory function of the aerobic microorganism in the sewage, decomposes the organic microorganism in the sewage into carbon dioxide and water, prevents the reproduction of the anaerobic microorganism, prevents the production of toxic substances, guarantees the survival of aquatic organisms, can maintain the water quality, when the oxygen is increased, the electric push rod can be started, the output shaft of the electric push rod drives the number of stirring paddles not less than two to move downward and immerse in the sewage, then the motor is started, the motor drives the number of stirring paddles not less than two to stir the sewage, the sewage in the inside of the sedimentation tank can be efficiently oxygenated, and the oxygenation efficiency is improved.

[0026] 2. The urban river ecological restoration system, after the oxygenation result, the oxygenator and the motor are closed, the sewage in the inside of the sedimentation tank is deposited, after the deposition is completed, the water pump is started, the clear water deposited in the inside of the sedimentation tank can be pumped into the inside of the filter tank through the fixed pipe, the movable water inlet pipe and the water outlet pipe, when the water level in the inside of the sedimentation tank changes, the float can move on the outside of the limiting slide rod, drives the fixed pipe to change the position, can make the fixed pipe extract the water of the clear water layer, the water passes through the two activated carbon adsorption layers arranged in the inside of the filter tank and is filtered and adsorbed, then passes through the coarse sand layer and the fine sand layer in sequence, the water is graded filtered, the sewage can be graded treated, the treatment effect is good, the treatment efficiency is improved, then the second valve in the discharge structure is started to discharge, the discharged water can be used for irrigation and the like, realizes the purpose of sewage treatment. BRIEF DESCRIPTION OF DRAWINGS

[0027] Fig. 1 It is a structure schematic view of the utility model;

[0028] Fig. 2 It is a connecting structure schematic view of the sedimentation tank and the filter tank of the utility model;

[0029] Fig. 3 It is a connecting mechanism schematic view of the utility model;

[0030] Fig. 4 It is a water pumping mechanism schematic view of the utility model.

[0031] In the figure: 1, sedimentation tank; 2, filter tank; 3, connecting mechanism; 31, support frame; 32, electric push rod; 33, connecting plate; 34, motor; 35, rotating rod; 36, stirring paddle; 371, second fixed plate; 372, oxygenation machine; 373, oxygenation pipe; 374, annular pipe; 375, oxygen outlet head; 4, first fixed plate; 5, water pumping mechanism; 51, water pump; 52, water outlet pipe; 53, limiting slide rod; 54, floating block; 55, movable water inlet pipe; 56, fixed pipe; 6, support plate; 7, flow-through hole; 8, fine sand layer; 9, coarse sand layer; 10, activated carbon adsorption layer; 11, discharge structure. DETAILED DESCRIPTION

[0032] 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.

[0033] Please refer to Figs. 1-2 The urban river ecological restoration system in the embodiment comprises a sedimentation tank 1 and a filter tank 2. The back of the sedimentation tank 1 is provided with a connecting mechanism 3. The connecting mechanism 3 improves the oxygenation efficiency and increases the oxygen content in the sewage inside the sedimentation tank 1. The filter tank 2 is arranged on the right side of the sedimentation tank 1. The right side of the sedimentation tank 1 is provided with a first fixed plate 4. The upper surface of the first fixed plate 4 is provided with a water pumping mechanism 5. The water pumping mechanism 5 pumps water in the clear water layer. The inside of the filter tank 2 is provided with a support plate 6. The upper surface of the support plate 6 is provided with a plurality of flow-through holes 7. The upper surface of the support plate 6 is provided with a fine sand layer 8. The upper surface of the fine sand layer 8 is provided with a coarse sand layer 9. The upper surface of the coarse sand layer 9 is provided with two activated carbon adsorption layers 10. The lower side of the right side of the filter tank 2 is communicated with a discharge structure 11.

[0034] In the embodiment, the left side of the sedimentation tank 1 is communicated with a sewage discharge structure. The sewage discharge structure comprises a first sewage discharge pipe. The outer side of the left side of the first sewage discharge pipe is communicated with a first valve. The inside of the first valve is communicated with a second sewage discharge pipe. The bottom wall of the inner cavity of the sedimentation tank 1 is inclined, which is helpful for discharging sludge and impurities.

[0035] It should be noted that the support plate 6 can support the coarse sand layer 9, the fine sand layer 8 and the two activated carbon adsorption layers 10. The filtered water flows into the bottom wall of the inner cavity of the filter tank 2 through the plurality of flow-through holes 7, and is then discharged through the discharge structure 11.

[0036] Please refer to Fig. 3, in order to improve the oxygen efficiency, increase the oxygen content in the sewage in the sedimentation tank 1, in the embodiment, the connecting mechanism 3 includes support frame 31, electric push rod 32, connecting plate 33, motor 34, rotating rod 35, the number of not less than two stirring paddle 36 and connecting assembly, support frame 31 is arranged at the back of the sedimentation tank 1, electric push rod 32 is fixed on the upper surface of support frame 31 through mounting bracket, the outer side of electric push rod 32 output shaft slides through support frame 31 and extends to the inside, connecting plate 33 is arranged on the outer side of electric push rod 32 output shaft, motor 34 is fixed on the lower surface of connecting plate 33 through mounting bracket, rotating rod 35 is arranged on the outer side of motor 34 output shaft, the number of not less than two stirring paddle 36 are arranged on the outer side of rotating rod 35.

[0037] In the embodiment, the connecting assembly includes second fixed plate 371, oxygenation machine 372, oxygenation pipe 373, annular pipe 374 and the number of not less than two oxygen outlet head 375, second fixed plate 371 is arranged at the left side of the sedimentation tank 1, oxygenation machine 372 is arranged on the upper surface of second fixed plate 371, the sewage in the city can be pumped into the inside of the sedimentation tank 1 through the water pump, the oxygenation machine 372 can be started, the oxygen enters into the inside of annular pipe 374 through oxygenation pipe 373, and flows out through the number of not less than two oxygen outlet head 375, the oxygen content in the sewage in the inside of the sedimentation tank 1 is increased, and the respiratory function of aerobic microorganisms in the sewage is increased.

[0038] In the embodiment, the oxygenation pipe 373 is communicated with the oxygen outlet end of the oxygenation machine 372, the annular pipe 374 is arranged on the inner circumferential wall of the sedimentation tank 1, the number of not less than two oxygen outlet head 375 are communicated with the lower surface of the annular pipe 374, the bottom end of the oxygenation pipe 373 is communicated with the upper surface of the annular pipe 374, and the number of not less than two stirring paddle 36 are uniformly distributed on the outer side of the rotating rod 35.

[0039] It should be noted that the organic microorganisms in the sewage are decomposed into carbon dioxide and water, the reproduction of anaerobic microorganisms is hindered, the generation of toxic substances is prevented, the survival of aquatic organisms is ensured, the water quality is maintained, when oxygen is increased, the electric push rod 32 is started, the number of not less than two stirring paddle 36 are driven downward by the output shaft of the electric push rod 32 and are submerged in the sewage, then the motor 34 is started, and the number of not less than two stirring paddle 36 are driven to stir the sewage, so that the sewage in the inside of the sedimentation tank 1 is efficiently oxygenated, and the oxygen efficiency is improved.

[0040] Please refer to Fig. 4In order to extract the water of the clear water layer, the water extraction mechanism 5 in the embodiment includes a water pump 51, a water outlet pipe 52, a limiting slide rod 53, a floating block 54, a movable water inlet pipe 55, and a fixed pipe 56. The water pump 51 is arranged on the upper surface of the first fixed plate 4. The left side of the water outlet pipe 52 is fixedly connected with the output end of the water pump 51. After the oxygenation result, the oxygenation machine 372 and the motor 34 are closed, so that the sewage in the sedimentation tank 1 is precipitated. After the precipitation is completed, the water pump 51 is started. The clear water in the sedimentation tank 1 after precipitation can be pumped to the inside of the filter tank 2 through the fixed pipe 56, the movable water inlet pipe 55, and the water outlet pipe 52. When the water level in the sedimentation tank 1 changes, the floating block 54 can move on the outside of the limiting slide rod 53 to drive the fixed pipe 56 to change the position up and down.

[0041] In the embodiment, the limiting slide rod 53 is arranged on the bottom wall of the inner cavity of the sedimentation tank 1. The floating block 54 is slidably connected on the outside of the limiting slide rod 53. The right side of the movable water inlet pipe 55 is fixedly connected with the water inlet end of the water pump 51. The end of the movable water inlet pipe 55 away from the water pump 51 is in communication with the top end of the fixed pipe 56. The fixed pipe 56 is arranged on the right side of the floating block 54 through the mounting bracket. The floating block 54 cooperates with the gap of the limiting slide rod 53. The floating block 54 moves linearly on the outside of the limiting slide rod 53. The top end of the limiting slide rod 53 is provided with a limiting plate.

[0042] It should be noted that the fixed pipe 56 can extract the water of the clear water layer. The water passes through the two activated carbon adsorption layers 10 arranged in the filter tank 2 for filtration and adsorption, and then passes through the coarse sand layer 9 and the fine sand layer 8 in turn for graded filtration. The sewage can be treated in stages, the treatment effect is good, the treatment efficiency is improved, and then the second valve in the discharge structure 11 is opened for discharge. The discharged water can be used for irrigation and the like, so as to achieve the purpose of sewage treatment.

[0043] The working principle of the above embodiment is as follows:

[0044] (1) The sewage in the city can be pumped into the inside of the sedimentation tank 1 by the water pump. The oxygenation machine 372 can be started. The oxygen enters the inside of the annular pipe 374 through the oxygenation pipe 373, and flows out through the number not less than two oxygen outlet heads 375, so as to increase the oxygen content in the sewage in the sedimentation tank 1, increase the respiratory function of the aerobic microorganisms in the sewage, decompose the organic microorganisms in the sewage into carbon dioxide and water, hinder the reproduction of anaerobic microorganisms, prevent the production of toxic substances, ensure the survival of aquatic organisms, maintain water quality, and perform oxygenation. When the oxygenation is performed, the electric push rod 32 can be started. The output shaft of the electric push rod 32 drives the number not less than two stirring paddles 36 to move downward and be submerged in the sewage. Then the motor 34 is started. The motor 34 drives the number not less than two stirring paddles 36 to stir the sewage. The sewage in the sedimentation tank 1 can be efficiently oxygenated, and the oxygenation efficiency is improved.

[0045] (2) oxygenation results after closing oxygenation machine 372 and motor 34, the sewage in the inside of the sedimentation tank 1 is deposited, after the completion of the deposition, open the water pump 51, through the fixed pipe 56, movable inlet pipe 55 and outlet pipe 52 can be deposited in the inside of the sedimentation tank 1 after the clean water in the inside of the filtration tank 2 is pumped, when the water level in the inside of the sedimentation tank 1 changes, the float 54 can move outside the limiting slide rod 53, drive the fixed pipe 56 to change the position, can make the fixed pipe 56 extract the water of the clean water layer, the water is filtered and adsorbed through the two activated carbon adsorption layers 10 arranged in the inside of the filtration tank 2, and then passes through the coarse sand layer 9 and the fine sand layer 8 in turn, and the water is filtered and adsorbed, which can grade the water and grade the sewage, the treatment effect is good, the treatment efficiency is improved, then open the second valve in the discharge structure 11 to discharge, the discharged water can be used for irrigation, etc., to achieve the purpose of sewage treatment.

Claims

1. A system for ecological restoration of urban river, comprising a sedimentation tank (1) and a filter tank (2), characterized in that: The back of the sedimentation tank (1) is provided with a connecting mechanism (3), the filter tank (2) is arranged on the right side of the sedimentation tank (1), the right side of the sedimentation tank (1) is provided with a first fixed plate (4), the upper surface of the first fixed plate (4) is provided with a water pumping mechanism (5), the inside of the filter tank (2) is provided with a supporting plate (6), the upper surface of the supporting plate (6) is provided with a plurality of flow holes (7), the upper surface of the supporting plate (6) is provided with a fine sand layer (8), the upper surface of the fine sand layer (8) is provided with a coarse sand layer (9), the upper surface of the coarse sand layer (9) is provided with two active carbon adsorption layers (10), and the lower side of the right side of the filter tank (2) is communicated with a discharge structure (11). The connecting mechanism (3) comprises a supporting frame (31), an electric push rod (32), a connecting plate (33), a motor (34), a rotating rod (35), a plurality of stirring paddles (36) and a connecting assembly, the supporting frame (31) is arranged on the back of the sedimentation tank (1), the electric push rod (32) is fixed on the upper surface of the supporting frame (31) through a mounting frame, the outer side of the output shaft of the electric push rod (32) slides through the supporting frame (31) and extends into the inside, the connecting plate (33) is arranged on the outer side of the output shaft of the electric push rod (32), the motor (34) is fixed on the lower surface of the connecting plate (33) through a mounting frame, the rotating rod (35) is arranged on the outer side of the output shaft of the motor (34), and a plurality of the stirring paddles (36) are arranged on the outer side of the rotating rod (35). The connecting assembly comprises a second fixed plate (371), an oxygenation machine (372), an oxygenation pipe (373), an annular pipe (374) and a plurality of oxygen outlet heads (375), the second fixed plate (371) is arranged on the left side of the sedimentation tank (1), the oxygenation machine (372) is arranged on the upper surface of the second fixed plate (371), the oxygenation pipe (373) is communicated at the oxygen outlet end of the oxygenation machine (372), the annular pipe (374) is arranged on the inner circumferential wall of the sedimentation tank (1), and a plurality of the oxygen outlet heads (375) are communicated at the lower surface of the annular pipe (374), and the bottom end of the oxygenation pipe (373) is communicated with the upper surface of the annular pipe (374).

2. The urban river ecological restoration system according to claim 1, characterized in that: The left side of the sedimentation tank (1) is communicated with a blowdown structure, the blowdown structure comprises a first blowdown pipe, the outer side of the left side of the first blowdown pipe is communicated with a first valve, and the inside of the first valve is communicated with a second blowdown pipe.

3. The urban river ecological restoration system according to claim 1, characterized in that: The discharge structure (11) comprises a first drain pipe, the outer side of the right side of the first drain pipe is communicated with a second valve, and the inside of the second valve is communicated with a second drain pipe.

4. The urban river ecological restoration system according to claim 1, characterized in that: The water pumping mechanism (5) comprises a water pump (51), a water outlet pipe (52), a limiting sliding rod (53), a floating block (54), a movable water inlet pipe (55) and a fixed pipe (56), the water pump (51) is arranged on the upper surface of the first fixed plate (4), and the left side of the water outlet pipe (52) is fixedly connected with the output end of the water pump (51).

5. The urban river ecological restoration system according to claim 4, characterized in that: The limiting slide rod (53) is arranged on the bottom wall of the inner cavity of the sedimentation tank (1), the floating block (54) is slidably connected to the outer side of the limiting slide rod (53), the right side of the movable water inlet pipe (55) is fixedly connected with the water inlet end of the water pump (51), the end of the movable water inlet pipe (55) away from the water pump (51) is communicated with the top end of the fixed pipe (56), and the fixed pipe (56) is arranged on the right side of the floating block (54) through the mounting frame.

6. The urban river ecological restoration system according to claim 1, characterized in that: The number of the stirring paddles (36) is not less than two, and the stirring paddles (36) are uniformly distributed on the outer side of the rotating rod (35).

7. The urban river ecological restoration system according to claim 4, characterized in that: The gap between the floating block (54) and the limiting slide rod (53) is matched, and the floating block (54) moves linearly up and down on the outer side of the limiting slide rod (53).

8. The urban river ecological restoration system according to claim 4, characterized in that: The top end of the limiting slide rod (53) is provided with a limiting plate.

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