Coagulating, precipitating and dehydrating all-in-one machine

Abstract

The utility model discloses a coagulating sedimentation dehydration all-in-one machine which comprises a stacked screw machine, one side of the stacked screw machine is sequentially provided with a first anoxic tank, a first aerobic tank, a second anoxic tank, a second aerobic tank and a coagulation reaction tank, the coagulation reaction tank is communicated with a connecting pipe, one end of the connecting pipe is communicated with the stacked screw machine, and the other end of the connecting pipe is communicated with the first anoxic tank. An opening is formed in the first anoxic tank, a treatment box is fixedly mounted at the position, located at the opening, of the first anoxic tank, and a screen is fixedly mounted in the treatment box. By arranging the coagulation reaction tank and the stacked screw machine, fine suspended matters in sewage are changed into large suspended matters through coagulation and flocculation reactions, so that the work of a subsequent device is facilitated, and the blockage risk of the device is reduced; when the stacked screw machine runs, suspended solids and total phosphorus in sewage are removed through the device, the stability and reliability of the equipment are improved, pollutants in the sewage are reduced, and the human settlement environment experience is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sewage treatment, in particular to a coagulation sedimentation and dewatering integrated machine. BACKGROUND

[0002] With the development of economy and the growth of population, the discharge of domestic sewage and industrial wastewater is increasing. These sewage contains a large amount of organic matter, nitrogen, phosphorus and other pollutants. If they are not effectively treated before being discharged into the environment, they will cause serious pollution to water bodies and affect water quality and ecological environment. Therefore, the demand for sewage treatment is increasingly urgent, and more efficient and energy-saving sewage treatment technology needs to be developed.

[0003] The existing coagulation sedimentation and dewatering integrated machine uses a sludge stacking screw machine to treat sewage when in use, but large impurities and suspended solids in the sewage are difficult to pass through subsequent pipelines and equipment, increasing the risk of equipment blockage and the burden on subsequent treatment units. Moreover, only a flocculation mixing tank is provided inside the stacking screw machine, which can only make the suspended particles in the sewage lose stability, and the colloidal particles coagulate to increase the particles, forming flocculation bodies and alunite flowers, which then separate from the water phase under the action of gravity and precipitate, thereby removing a large amount of suspended solids in the wastewater to achieve the effect of water treatment. However, it cannot reduce the turbidity, color and other sensory indicators of the water quality of raw water, and cannot remove a variety of toxic and harmful pollutants. Therefore, the coagulation sedimentation and dewatering integrated machine is proposed to solve the above problems. SUMMARY

[0004] The coagulation sedimentation and dewatering integrated machine is provided in the present embodiment to solve the problem in the prior art that when in use, a sludge stacking screw machine is used to treat sewage, but large impurities and suspended solids in the sewage are difficult to pass through subsequent pipelines and equipment, increasing the risk of equipment blockage and the burden on subsequent treatment units. Moreover, only a flocculation mixing tank is provided inside the stacking screw machine, which can only make the suspended particles in the sewage lose stability, and the colloidal particles coagulate to increase the particles, forming flocculation bodies and alunite flowers, which then separate from the water phase under the action of gravity and precipitate, thereby removing a large amount of suspended solids in the wastewater to achieve the effect of water treatment. However, it cannot reduce the turbidity, color and other sensory indicators of the water quality of raw water, and cannot remove a variety of toxic and harmful pollutants.

[0005] According to one aspect of the present application, a coagulation sedimentation dehydration all-in-one machine is provided, comprising a spiral machine, a first anoxic tank, a first aerobic tank, a second anoxic tank, a second aerobic tank and a coagulation reaction tank are sequentially arranged on one side of the spiral machine, a connecting pipe is communicated with the coagulation reaction tank, one end of the connecting pipe is communicated with the spiral machine, an opening is formed on the first anoxic tank, a treatment box is fixedly installed at the position of the opening of the first anoxic tank, a screen is fixedly installed in the treatment box, a first rotating shaft and a second rotating shaft are rotatably connected in the treatment box through bearings, a fixed shell is fixedly installed on one side of the treatment box, a second motor is fixedly installed in the fixed shell through a motor bracket, one end of the first rotating shaft and the second rotating shaft is respectively sleeved with a driven gear and a driving gear, the driving gear is meshed and connected with the driven gear, and the output shaft of the second motor is fixedly connected with the second rotating shaft.

[0006] Further, a water inlet pipe is communicated with the treatment box, and a water inlet valve is arranged on the water inlet pipe.

[0007] Further, an emptying pipe is communicated with the first anoxic tank, the first aerobic tank, the second anoxic tank, the second aerobic tank and the coagulation reaction tank, and an emptying valve is arranged on the emptying pipe.

[0008] Further, a feed pipe is communicated with the coagulation reaction tank, and a threaded cover is threadedly connected with the feed pipe.

[0009] Further, a water outlet pipe is communicated with the bottom of the second aerobic tank, one end of the water outlet pipe is communicated with a reflux pump, a reflux pipe is communicated with the first anoxic tank, and one end of the reflux pipe is communicated with the reflux pump.

[0010] Further, a first motor is fixedly installed on the coagulation reaction tank, stirring shafts are rotatably connected in the coagulation reaction tank through bearings, stirring blades are arranged on the stirring shafts, and the output shaft of the first motor is fixedly connected with the stirring shafts.

[0011] Further, mounting rings are fixedly installed at the bottom of the first anoxic tank, the first aerobic tank, the second anoxic tank, the second aerobic tank and the coagulation reaction tank, aeration plates are fixedly installed on the mounting rings, and a plurality of aeration heads are communicated with the aeration plates.

[0012] Further, an aeration pipe is communicated with the aeration plate, one end of the aeration pipe penetrates through the mounting ring and extends to the outer end of the first aerobic tank or the second anoxic tank and is communicated with an external aeration system.

[0013] Further, a connecting ring is threadedly connected with the mounting ring, and a filter screen is fixedly installed on the connecting ring.

[0014] Further, the inner wall of the first and second anoxic tanks is provided with an underflow, the inner wall of the first and second aerobic tanks is provided with an overflow, the first anoxic tank is connected with the first aerobic tank through the underflow, the first aerobic tank is connected with the second anoxic tank through the overflow, the second anoxic tank is connected with the second aerobic tank through the underflow, and the second aerobic tank is connected with the coagulation tank through the overflow.

[0015] Through the above-mentioned embodiments of the present application, by starting the second motor, the large impurities and suspended matters are crushed, the large impurities can be quickly crushed into smaller particles, the crushed impurities are more easily mixed with other substances in the sewage, the particles are more easily passed through the subsequent pipeline and equipment, the risk of blockage is reduced, the burden of the subsequent processing unit is reduced, the frequency of equipment shutdown for maintenance due to blockage is reduced, the stability and reliability of the equipment are improved;

[0016] By setting the filter screen, the filter screen can effectively block large-particle impurities, suspended matters and precipitates that may be generated due to chemical reactions in the water, prevent them from entering the inside of the aeration head, thereby avoiding the blockage problem of the aeration head, enabling the aeration head to maintain an unobstructed air inlet passage, enabling the gas to smoothly enter the water body, improving the aeration efficiency, and the filter screen can ensure that the aeration head uniformly distributes the gas, so that the dissolved oxygen content in the water body is more uniform, which is conducive to the growth and metabolism of microorganisms, improves the water treatment effect, and the threaded connection design of the filter screen enables the filter screen to be easily disassembled when it needs to be cleaned or replaced, reducing the maintenance difficulty;

[0017] By setting the coagulation tank, it can not only reduce the turbidity, color and other sensory indicators of raw water, but also remove various toxic and harmful pollutants, cooperate with the flocculation stirring box inside the screw machine, make the suspended particles in the wastewater lose stability, the colloidal particles coagulate with each other to increase the particles, form flocculation bodies and alunite flowers, and the flocculation bodies grow to a certain volume and then separate from the water phase under the action of gravity to precipitate, thereby removing a large amount of suspended matters in the wastewater, thereby achieving the effect of water treatment, and after the fine suspended matters in the wastewater are changed into large suspended matters through coagulation and flocculation, the work of the subsequent device is facilitated and the risk of blockage of the device is reduced; when the screw machine 1 is running, the suspended matters and total phosphorus in the wastewater are removed through the device, the stability and reliability of the equipment are improved, the pollutants in the wastewater are reduced, and the living environment experience is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creating any inventive labor.

[0019] Figure 1 The overall structure of an embodiment of the present application;

[0020] Figure 2 The internal structure of the first aerobic tank and the second anoxic tank of an embodiment of the present application;

[0021] Figure 3 The internal structure of the second aerobic tank and the coagulation reaction tank of an embodiment of the present application;

[0022] Figure 4 The internal structure of the first anoxic tank of an embodiment of the present application;

[0023] Figure 5 The internal structure of the first anoxic tank and the second aerobic tank of an embodiment of the present application;

[0024] Figure 6 The internal structure of the processing box of an embodiment of the present application;

[0025] Figure 7 The aeration assembly of an embodiment of the present application;

[0026] Figure 8 The front structure of the spiral stacking machine of an embodiment of the present application;

[0027] Figure 9 The side structure of the spiral stacking machine of an embodiment of the present application;

[0028] Figure 10 The top structure of the spiral stacking machine of an embodiment of the present application.

[0029] In the figure: 1, spiral stacking machine; 2, first anoxic tank; 3, first aerobic tank; 4, second anoxic tank; 5, second aerobic tank; 6, coagulation reaction tank; 7, mounting ring; 8, aeration pipe; 9, aeration plate; 10, aeration head; 11, connecting ring; 12, filter screen; 13, connecting pipe; 14, stirring shaft; 15, upper overflow port; 16, stirring blade; 17, first motor; 18, threaded cover; 19, feed pipe; 20, water inlet valve; 21, water inlet pipe; 22, screen; 23, processing box; 24, first rotating shaft; 25, second rotating shaft; 26, crushing roller; 27, water outlet pipe; 28, backflow pump; 29, backflow pipe; 30, lower overflow port; 31, emptying pipe; 32, emptying valve; 33, driving gear; 34, second motor; 35, fixed shell; 36, driven gear. DETAILED DESCRIPTION

[0030] In order to make the personnel in the technical field better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a 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 of ordinary skill in the art without creative labor should belong to the scope of protection of the present application.

[0031] It should be noted that the terms "first", "second", and the like in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily have to be used to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not have to be limited to only those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0032] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not intended to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0033] In addition, in addition to being used to indicate the orientation or positional relationship, the above-mentioned part of the terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For those of ordinary skill in the art, the specific meaning of these terms in the present application can be understood according to the specific circumstances.

[0034] In addition, the terms "mount", "set", "provided with", "connected", "connected", "sleeved" should be broadly understood. For example, it can be a fixed connection, a detachable connection, or a monolithic structure; it can be a mechanical connection, or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0035] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0036] Please refer to Figures 1-10 As shown in the figure, the coagulation sedimentation and dehydration integrated machine comprises a stacked screw machine 1, a first anoxic tank 2, a first aerobic tank 3, a second anoxic tank 4, a second aerobic tank 5 and a coagulation reaction tank 6 which are sequentially arranged on one side of the stacked screw machine 1, a connecting pipe 13 which is communicated with the coagulation reaction tank 6, an opening which is arranged on the first anoxic tank 2, a treatment box 23 which is fixedly installed at the position of the opening of the first anoxic tank 2, a screen 22 which is fixedly installed in the treatment box 23, a first rotating shaft 24 and a second rotating shaft 25 which are rotatably connected in the treatment box 23 through bearings, a fixed shell 35 which is fixedly installed on one side of the treatment box 23, a second motor 34 which is fixedly installed in the fixed shell 35 through a motor bracket, and a driven gear 36 and a driving gear 33 which are respectively sleeved on one end of the first rotating shaft 24 and the second rotating shaft 25, wherein the driving gear 33 is in meshing connection with the driven gear 36, and the output shaft of the second motor 34 is fixedly connected with the second rotating shaft 25.

[0037] The inside of the stacked screw machine 1 is provided with an electric control box, a rack, a stacked screw body, a flocculation stirring box and a cleaning assembly and the like structures, the electric control box is used for controlling the operation of the equipment body, and can be linked to control the dosing device, the sludge inlet pump and the like supporting equipment; the rack is used for equipment bearing, and is designed with a liquid collecting tank which can collect filtrate and return to the sludge pipe network or the concentration tank through a pipeline; the stacked screw body is used for sludge dewatering; the flocculation stirring box is used for stirring and mixing of sewage and flocculants; the cleaning assembly comprises a water supply system and a flushing system, and through a program, the stacked screw body can be automatically and interval flushed.

[0038] The treatment box 23 is communicated with a water inlet pipe 21, and the water inlet pipe 21 is provided with a water inlet valve 20.

[0039] The first anoxic tank 2, the first aerobic tank 3, the second anoxic tank 4, the second aerobic tank 5 and the coagulation reaction tank 6 are all communicated with a plurality of emptying pipes 31, and the emptying pipes 31 are all provided with emptying valves 32.

[0040] The coagulation reaction tank 6 is communicated with a feeding pipe 19, and the feeding pipe 19 is threadedly connected with a sealing cover 18.

[0041] The second aerobic tank 5 is communicated with a water outlet pipe 27 at the bottom, one end of the water outlet pipe 27 is communicated with a reflux pump 28, the first anoxic tank 2 is communicated with a reflux pipe 29, and one end of the reflux pipe 29 is communicated with the reflux pump 28.

[0042] The first motor 17 is fixedly installed on the coagulation reaction tank 6, the inside of the coagulation reaction tank 6 is rotatably connected with the stirring shaft 14 through the bearing, the stirring shaft 14 is provided with the stirring blade 16, and the output shaft of the first motor 17 extends to the inside of the coagulation reaction tank 6 and is fixedly connected with the stirring shaft 14.

[0043] The inside bottom end of the first anoxic tank 2, the first aerobic tank 3, the second anoxic tank 4, the second aerobic tank 5 and the coagulation reaction tank 6 is fixedly installed with the mounting ring 7, a plurality of mounting rings 7 are fixedly installed with the aeration plate 9, and a plurality of aeration plates 9 are communicated with a plurality of aeration heads 10.

[0044] The aeration plate 9 is communicated with the aeration pipe 8, one end of the aeration pipe 8 penetrates the mounting ring 7 and extends to the outside end of the first aerobic tank 3 or the second anoxic tank 4 and is communicated with the external aeration system.

[0045] The mounting ring 7 is screw-connected with the connecting ring 11, the connecting ring 11 is fixedly installed with the filter screen 12, the close connection between the filter screen 12 and the aeration structure can be ensured, the filter screen loosening or falling caused by water flow impact or vibration is prevented, the stability helps to prolong the service life of the filter screen, and the downtime caused by the filter screen failure is reduced.

[0046] The inner wall of the first anoxic tank 2 and the second anoxic tank 4 is provided with the lower overflow port 30, the inner wall of the first aerobic tank 3 and the second aerobic tank 5 is provided with the upper overflow port 15, the first anoxic tank 2 is connected with the first aerobic tank 3 through the lower overflow port 30, the first aerobic tank 3 is connected with the second anoxic tank 4 through the upper overflow port 15, the second anoxic tank 4 is connected with the second aerobic tank 5 through the lower overflow port 30, and the second aerobic tank 5 is connected with the coagulation reaction tank 6 through the upper overflow port 15.

[0047] In use, the electrical components appearing in the present application are externally connected to a power source and a control switch when in use. Open the water inlet valve 20, discharge the sewage through the water inlet pipe 21 into the treatment tank 23, the screen 22 screens out the large impurities and suspended solids in the sewage, and discharges them between the two crushing rollers 26, start the second motor 34, the output shaft of the second motor 34 rotates to drive the second rotating shaft 25 to rotate, under the cooperation of the driving gear 33 and the driven gear 36, the first rotating shaft 24 and the second rotating shaft 25 drive the crushing roller 26 to rotate, and the large impurities and suspended solids are crushed, which can quickly crush the large impurities into smaller particles, and the crushed impurities are more easily mixed with other substances in the sewage, so that these particles are more easily passed through the subsequent pipeline and equipment, reducing the risk of blockage and reducing the burden on the subsequent treatment unit, while reducing the frequency of equipment downtime for maintenance due to blockage, improving the stability and reliability of the equipment, and ensuring that the sewage can be evenly discharged into the anoxic tank, and the filler or carrier is discharged into the first anoxic tank 2 and the second aerobic tank 5 through the feeding pipe 19 respectively;

[0048] The first anoxic tank 2 and the second anoxic tank 4 are used for receiving influent and carrying out preliminary organic matter decomposition, under anoxic conditions, using the action of facultative anaerobic bacteria, the organic matter is decomposed into small molecule substances, and at the same time, using the carbon source in the influent, a denitrification reaction is carried out to remove nitrogen; the first aerobic tank 3 and the second anoxic tank 4 are filled with oxygen, mainly used for aerobic decomposition of organic matter and nitrification, under aerobic conditions, using the action of aerobic bacteria, the organic matter is further decomposed into carbon dioxide and water, and at the same time, a nitrification reaction is carried out to convert ammonia nitrogen into nitrate nitrogen; in order to further improve the treatment effect, the sewage in the second anoxic tank 4 is transported to the second aerobic tank 5 for denitrification reaction to remove nitrogen; the sewage in the second aerobic tank 5 is transported to the coagulation tank 6, a coagulant is added to the coagulation tank 6 through the feeding pipe 19, so that the suspended solids, colloids and other impurities in the water are coagulated into larger particles, which can not only reduce the turbidity, color and other sensory indicators of raw water, but also remove various toxic and harmful pollutants; the first motor 17 on the coagulation tank 6 is started, so that the stirring shaft 14 drives the stirring blade 16 to stir and mix the sewage and the coagulant in the tank; the sewage in the coagulation tank 6 is overflowed to the flocculation box in the stacked screw machine 1 through the connecting pipe 13; an inorganic flocculant and an organic anion are selected to prepare an aqueous solution and add it to the flocculation box, which will produce compressed double electric layers, making the suspended particles in the wastewater lose stability, the colloidal particles coagulate with each other to increase the particles, forming flocculation bodies and alunite flowers, and the flocculation bodies grow to a certain volume and then separate from the water phase under the action of gravity to precipitate, thereby removing a large amount of suspended solids in the wastewater; after the fine suspended solids in the wastewater are changed into large blocks of suspended solids through coagulation and flocculation, it is beneficial to the work of subsequent devices and reduces the risk of device blockage; when the stacked screw machine 1 is running, the suspended solids and total phosphorus in the wastewater are removed, improving the stability and reliability of the equipment, reducing the pollutants in the wastewater, and improving the living environment experience.

[0049] The filter screen 12 can effectively block large particle impurities, suspended solids and precipitates that may be generated due to chemical reactions in the water, preventing them from entering the aeration head 10, thereby avoiding the blockage problem of the aeration head 10, allowing the aeration head 10 to maintain an unobstructed air inlet channel, enabling the gas to smoothly enter the water body, improving the aeration efficiency, and at the same time, the filter screen 12 can ensure uniform distribution of the gas in the aeration head 10, making the dissolved oxygen content in the water body more uniform, which is beneficial to the growth and metabolism of microorganisms and improves the water treatment effect. The threaded connection design of the filter screen 12 allows the filter screen 12 to be easily removed when cleaning or replacement is required, reducing the maintenance difficulty.

[0050] The present application has the following advantages:

[0051] 1. By starting the second motor 34, large impurities and suspended matter are crushed, which can quickly crush large impurities into smaller particles, and the crushed impurities are more easily mixed with other substances in the sewage, so that these particles are more easily passed through the subsequent pipeline and equipment, reducing the risk of blockage and reducing the burden on the subsequent processing unit, while reducing the frequency of equipment downtime for maintenance due to blockage, improving the stability and reliability of the equipment;

[0052] 2. By providing the filter screen 12, the filter screen 12 can effectively block large-particle impurities, suspended matter, and precipitates that may be produced by chemical reactions in the water, preventing them from entering the inside of the aeration head 10, thereby avoiding the problem of blockage of the aeration head 10, allowing the aeration head 10 to maintain an unobstructed air inlet passage, allowing gas to enter the water body smoothly, improving aeration efficiency, while the filter screen 12 can ensure uniform distribution of gas in the aeration head 10, making the dissolved oxygen content in the water body more uniform, which is conducive to the growth and metabolism of microorganisms, improving water treatment effect, and the threaded filter screen 12 design allows the filter screen 12 to be easily removed when it needs to be cleaned or replaced, reducing maintenance difficulty.

[0053] 3. By providing the coagulation reaction tank 6, it can not only reduce the turbidity, color and other sensory indicators of raw water, but also remove a variety of toxic and harmful pollutants, and cooperate with the flocculation stirring box inside the stacked screw machine 1 to make the suspended particles in the wastewater lose stability, the colloidal particles coagulate to increase the particles, forming flocculation body and alum flowers, and the flocculation body grows to a certain volume and then separates from the water phase under the action of gravity and precipitates, thereby removing a large amount of suspended matter in the wastewater, thereby achieving the effect of water treatment. After the fine suspended matter in the wastewater is changed into large suspended matter by coagulation and flocculation reaction, it is beneficial to the work of the subsequent device and reduces the risk of blockage of the device; when the stacked screw machine 1 is running, the suspended matter and total phosphorus in the wastewater are removed by the device, improving the stability and reliability of the equipment, reducing pollutants in the wastewater, and improving the experience of the living environment.

[0054] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Those skilled in the art can make various changes and modifications to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A coagulation sedimentation dewatering integrated machine, comprising a spiral press (1), characterized in that: The side of the spiral machine (1) is sequentially provided with a first anoxic tank (2), a first aerobic tank (3), a second anoxic tank (4), a second aerobic tank (5) and a coagulation reaction tank (6), the coagulation reaction tank (6) is communicated with a connecting pipe (13), one end of the connecting pipe (13) is communicated with the spiral machine (1), the first anoxic tank (2) is provided with an opening, the first anoxic tank (2) is fixedly installed with a treatment box (23) at the position of the opening, the inside of the treatment box (23) is fixedly installed with a screen (22), the inside of the treatment box (23) is rotatably connected with a first rotating shaft (24) and a second rotating shaft (25) through bearings, one side of the treatment box (23) is fixedly installed with a fixed shell (35), the inside of the fixed shell (35) is fixedly installed with a second motor (34) through a motor bracket, one end of the first rotating shaft (24) and the second rotating shaft (25) is respectively sleeved with a driven gear (36) and a driving gear (33) extending to the inside of the fixed shell (35), the driving gear (33) is meshedly connected with the driven gear (36), the output shaft of the second motor (34) is fixedly connected with the second rotating shaft (25).

2. The coagulation sedimentation dewatering all-in-one machine according to claim 1, characterized in that: The treatment box (23) is communicated with a water inlet pipe (21), and the water inlet pipe (21) is provided with a water inlet valve (20).

3. The coagulation sedimentation dewatering all-in-one machine according to claim 1, characterized in that: The first anoxic tank (2), the first aerobic tank (3), the second anoxic tank (4), the second aerobic tank (5) and the coagulation reaction tank (6) are all communicated with a vent pipe (31), and the vent pipe (31) is provided with a vent valve (32).

4. The coagulation sedimentation dewatering all-in-one machine according to claim 1, characterized in that: The coagulation reaction tank (6) is communicated with a feeding pipe (19), and the feeding pipe (19) is threadedly connected with a threaded cover (18).

5. The coagulation sedimentation dewatering all-in-one machine according to claim 1, characterized in that: The second aerobic tank (5) is communicated with a water outlet pipe (27), one end of the water outlet pipe (27) is communicated with a reflux pump (28), the first anoxic tank (2) is communicated with a reflux pipe (29), and one end of the reflux pipe (29) is communicated with the reflux pump (28).

6. The coagulation sedimentation dewatering all-in-one machine according to claim 1, characterized in that: The coagulation reaction tank (6) is fixedly installed with a first motor (17), the inside of the coagulation reaction tank (6) is rotatably connected with a stirring shaft (14) through a bearing, the stirring shaft (14) is provided with stirring blades (16), and the output shaft of the first motor (17) extends to the inside of the coagulation reaction tank (6) and is fixedly connected with the stirring shaft (14).

7. The coagulation sedimentation dewatering all-in-one machine according to claim 1, characterized in that: The inside bottom end of the first anoxic tank (2), the first aerobic tank (3), the second anoxic tank (4), the second aerobic tank (5) and the coagulation reaction tank (6) is fixedly installed with a mounting ring (7), a plurality of aeration plates (9) are fixedly installed on the mounting ring (7), and a plurality of aeration heads (10) are communicated with the aeration plates (9).

8. The coagulation sedimentation and dewatering integrated machine according to claim 7, characterized in that: The aeration plate (9) is communicated with an aeration pipe (8), one end of the aeration pipe (8) penetrates through the mounting ring (7) and extends to the outside end of the first aerobic tank (3) or the second anoxic tank (4) and is communicated with an external aeration system.

9. The coagulation sedimentation dewatering all-in-one machine according to claim 8, characterized in that: The mounting ring (7) is threadedly connected with a connecting ring (11), and the connecting ring (11) is fixedly installed with a filter screen (12).

10. The coagulation sedimentation dewatering all-in-one machine according to claim 1, characterized in that: The inner wall of the first anoxic tank (2) and the second anoxic tank (4) is provided with an underflow port (30), the inner wall of the first aerobic tank (3) and the second aerobic tank (5) is provided with an overflow port (15), the first anoxic tank (2) is connected with the first aerobic tank (3) through the underflow port (30), the first aerobic tank (3) is connected with the second anoxic tank (4) through the overflow port (15), the second anoxic tank (4) is connected with the second aerobic tank (5) through the underflow port (30), and the second aerobic tank (5) is connected with the coagulation reaction tank (6) through the overflow port (15).

Images