Wastewater reflux tank for wastewater treatment

Abstract

The utility model provides a wastewater reflux tank for wastewater treatment, which belongs to the technical field of wastewater treatment and comprises a main body tank, a sludge separation tank, a flow stabilizing tank, a flocculation tank and a rotary tank are sequentially arranged in the main body tank, a separation reflux mechanism is arranged in the sludge separation tank, and a flocculation tank is arranged in the rotary tank. The separation backflow mechanism comprises an outer sleeve, an inner conveying pipe, a three-way pipe and a baffle, an input pipe is arranged on the side portion of the outer sleeve, the inner conveying pipe is connected into the outer sleeve in a sleeved mode, an auger is arranged in the inner conveying pipe, and the three-way pipe is arranged at the top of the inner conveying pipe. By arranging the separation backflow mechanism, when impurities and liquid are precipitated and layered, flowing of a considerable part of waste water is blocked by a baffle, the flowability of the waste water is reduced, the layering effect is guaranteed, water-containing solid matter at the bottom of the sludge separation layer can be taken out by an auger and is led to a rotary groove, precipitated objects are taken out from the upper portion, and the separation effect is improved. And the reflux treatment operation can be circularly performed while the layering effect is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to wastewater treatment technical field, concretely is a wastewater treatment wastewater backflow tank. BACKGROUND

[0002] The wastewater rotary tank is usually a tank body structure with a certain volume, which can be cuboid, cylindrical or other suitable geometric shapes, mainly including a water inlet, a water outlet, a tank body itself and possibly a liquid level control device, the water inlet is used to receive wastewater from an upstream treatment unit or other sources, the position and size design should consider the flow and water inlet mode of the wastewater to avoid wastewater splashing or excessive impact, the water outlet is used to deliver the wastewater in the rotary tank to the downstream treatment unit requiring backflow, the position and pipe diameter are determined according to the backflow requirement and flow control.

[0003] When wastewater is recycled, the wastewater often contains silt and other impurities with poor fluidity, when the wastewater containing silt is introduced into the tank, the method of transporting the silt and other impurities from the bottom after layering may carry away part of the liquid, affecting the effect of wastewater treatment, and introducing liquid from the upper part during the backflow flocculation process of the wastewater will make the liquid inside flow, affecting the flocculation and sedimentation effect. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a wastewater backflow tank for wastewater treatment which overcomes the above technical problems or at least partially solves the above problems.

[0005] The utility model is realized as follows:

[0006] The utility model provides a wastewater backflow tank for wastewater treatment, which comprises a main tank, a silt separation tank, a steady flow tank, a flocculation tank and a rotary tank arranged in sequence in the inside of the main tank, a separation backflow mechanism is arranged in the silt separation tank, and the separation backflow mechanism comprises:

[0007] An outer sleeve pipe is provided with an input pipe on the side portion;

[0008] An inner transport pipe is sleeved in the outer sleeve pipe, and an auger is arranged in the inner transport pipe;

[0009] A three-way pipe is arranged at the top of the inner transport pipe;

[0010] A baffle is arranged on the outer circle of the pipe body of the outer sleeve pipe, a conical cover is fixedly arranged at the bottom of the baffle, and the conical cover is connected with the outer sleeve pipe and the inner wall of the main tank through a structural member.

[0011] In an embodiment of the utility model, the top of sludge separation groove is equipped with cover plate, the top of cover plate is equipped with first servo motor through mounting frame, the output shaft of first servo motor is connected with the top of auger.

[0012] In an embodiment of the utility model, the top of auger's shaft body is connected with the top pipe body of tee bend through sealing bearing, the top of outer sleeve pipe is fixedly connected with sealing ring, sealing ring is connected with the pipe body outer ring of inner transport pipe closely.

[0013] In an embodiment of the utility model, the bottom opening of outer sleeve pipe and inner transport pipe is located at the bottom of conical cover.

[0014] In an embodiment of the utility model, the top of the plate body of sludge separation groove is equipped with first through slot, the bottom of the plate body of flocculation tank is equipped with second through slot.

[0015] In an embodiment of the utility model, the side of sludge separation groove is equipped with input, the bottom of one side of rotary groove is equipped with backflow, the transverse pipe body of tee bend is inserted with first transport pipe, the end of first transport pipe leads to rotary groove.

[0016] In an embodiment of the utility model, the flocculation tank is equipped with flocculation backflow mechanism, the flocculation backflow mechanism includes chute, the chute is equipped on both sides of the top of tank body of flocculation tank, the chute is equipped with sliding block, the top of sliding block is equipped with pipe mounting block, the sliding block is threadedly connected with threaded rod, one side of chute is equipped with second servo motor through connecting piece, the output shaft of second servo motor is connected with threaded rod.

[0017] In an embodiment of the utility model, the end of threaded rod away from second servo motor is equipped with structure shaft, the top of chute is equipped with shaft table through bearing on structure shaft, the flocculation tank is equipped with suction pipe, the end of suction pipe penetrates to the surface of the plate body of flocculation tank side and is equipped with second transport pipe, the end of second transport pipe is equipped with sludge pump, one end of sludge pump is equipped with third transport pipe, the end of third transport pipe leads to rotary groove.

[0018] The utility model provides a kind of wastewater backflow tank of wastewater treatment, its beneficial effects include:

[0019] 1, by setting separation backflow mechanism, when the sedimentation layering of impurity and liquid is carried out, the flow of a considerable part of wastewater is stopped by baffle, the flowability of wastewater is reduced, the layering effect is guaranteed, and the water-containing solid substance at the bottom of sludge separation layer can be taken out by auger and lead to rotary groove, realize the object of precipitation from upper part, while guaranteeing layering effect, can be recycled and backflow treatment operation is operated.

[0020] 2. By setting up the first channel and combining it with the second channel, the water flows from the bottom to the top during water flow, which to a certain extent avoids the possibility of water turbulence caused by vertically downward water flow. The return port and the input port can be connected end to end by a sludge pump to treat the wastewater for circulation. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0022] Figure 1 This is a structural schematic diagram provided by an embodiment of the present utility model;

[0023] Figure 2 A schematic diagram of the flocculation reflux mechanism provided for an embodiment of this utility model;

[0024] Figure 3 A schematic diagram of the separation and reflux mechanism provided for an embodiment of this utility model;

[0025] Figure 4 Bottom perspective view of the separation and reflux mechanism provided for an embodiment of this utility model.

[0026] In the diagram: 1. Main tank; 101. Sludge separation tank; 1011. Inlet; 1012. Cover plate; 102. Flow stabilization tank; 1021. First through-channel; 1022. Second through-channel; 103. Flocculation tank; 104. Rotary tank; 1041. Return port; 2. Separation and return mechanism; 201. Inlet pipe; 202. Outer pipe; 2021. Sealing ring; 203. Inner transport pipe; 2031. Screw conveyor; 204. 2041, First transport pipe; 205, Baffle; 206, Conical cover; 207, First servo motor; 3, Flocculation reflux mechanism; 301, Slide chute; 302, Slider; 303, Pipe mounting block; 304, Threaded rod; 3041, Structural shaft; 305, Shaft platform; 3051, Second servo motor; 306, Suction pipe; 307, Second transport pipe; 308, Sludge pump; 309, Third transport pipe. Detailed Implementation

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings of the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of 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.

[0028] Embodiment

[0029] With reference to Figures 1-4 The technical scheme provides a wastewater backflow tank for wastewater treatment, which comprises a main tank 1, and a sludge separation tank 101, a steady flow tank 102, a flocculation tank 103 and a rotary tank 104 are sequentially arranged in the main tank 1. The sludge separation tank 101 is provided with a separation backflow mechanism 2, which comprises an outer sleeve 202, an inner conveying pipe 203, a tee pipe 204 and a baffle 205. The outer sleeve 202 is provided with an input pipe 201 at the side. The inner conveying pipe 203 is sleeved in the outer sleeve 202, and is provided with an auger 2031. The tee pipe 204 is arranged at the top of the inner conveying pipe 203. The baffle 205 is arranged at the outer circle of the pipe body of the outer sleeve 202, and is fixedly provided with a conical cover 206 at the bottom. The conical cover 206 is connected with the outer sleeve 202 and the inner wall of the main tank 1 through a structural member. In use, the wastewater to be treated is fed into the input pipe 201 through an input port 1011, and a first servo motor 207 is arranged. The auger 2031 rotates, and the impurities with poor flowability at the bottom of the sludge separation tank 101 are taken away by the auger 2031 and fed into the rotary tank 104. The water body is fed into the steady flow tank 102 through a first through groove. The water at the bottom of the steady flow tank 102 is fed into the flocculation tank 103 through a second through groove 1022. A second servo motor 3051 is arranged, so that the sliding block 302 is moved under the action of a threaded rod 304, and the pipes arranged on the pipe mounting block 303 on the sliding block 302 can uniformly spread the additional flocculating agent liquid into the flocculation tank 103. Then, the treated liquid at the upper part of the flocculation tank 103 is pumped away by a water pump, and the flocculated and precipitated substances at the lower part are fed into the rotary tank 104 by a suction pipe 306 under the action of a sludge pump 308, and then are backfed into the input port 1011 for circulation.

[0030] With reference to Figures 1-4 Based on the same concept as that of the above-mentioned embodiment 1, the top of the sludge separation tank 101 is provided with a cover plate 1012, and the top of the cover plate 1012 is provided with a first servo motor 207 through a mounting frame. The output shaft of the first servo motor 207 is connected with the top end of the auger 2031.

[0031] With reference to Figures 1-4, based on the same idea as in the above embodiment 1, this embodiment also proposes that the shaft body of the auger 2031 is connected with the top pipe body of the tee pipe 204 through a sealing bearing, and the top of the outer sleeve pipe 202 is fixedly connected with a sealing ring 2021, which is tightly connected with the outer circle of the pipe body of the inner conveying pipe 203.

[0032] With reference to Figures 1-4 , based on the same idea as in the above embodiment 1, this embodiment also proposes that the bottom openings of the outer sleeve pipe 202 and the inner conveying pipe 203 are located at the bottom of the conical cover 206, and through the setting of the separation backflow mechanism 2, when the impurities and the liquid are precipitated and layered, a considerable part of the flow of wastewater is blocked by the baffle 205, which reduces the flowability of the wastewater and guarantees the layering effect, and the water-containing solid substances at the bottom of the sludge separation layer can be taken out by the auger 2031 and led to the rotary tank 104, realizing the taking out of the precipitated objects from the upper part, and at the same time guaranteeing the layering effect, the backflow treatment operation can be circularly performed.

[0033] With reference to Figures 1-4 , based on the same idea as in the above embodiment 1, this embodiment also proposes that the first through groove 1021 is arranged at the top of the plate body of the steady flow tank 102 close to the sludge separation tank 101, and the second through groove 1022 is arranged at the bottom of the plate body of the steady flow tank 102 close to the flocculation tank 103, through the setting of the first through groove 1021 in combination with the second through groove 1022, when the water body flows, the water works from the bottom upward, to a certain extent, avoiding the water body agitation caused by the vertical downward water flow, and the backflow port 1041 and the input port 1011 can be circularly connected through the sludge pump 308 to perform the treatment of the backflow wastewater.

[0034] With reference to Figures 1-4 , based on the same idea as in the above embodiment 1, this embodiment also proposes that the sludge separation tank 101 is provided with an input port 1011 at the side, the rotary tank 104 is provided with a backflow port 1041 at the bottom of one side, the transverse pipe body of the tee pipe 204 is provided with a first conveying pipe 2041, and the end of the first conveying pipe 2041 leads to the rotary tank 104.

[0035] With reference to Figures 1-4 , based on the same idea as in the above embodiment 1, this embodiment also proposes that the flocculation tank 103 is provided with a flocculation backflow mechanism 3, the flocculation backflow mechanism 3 comprises a sliding groove 301 arranged at the top of the tank body of the flocculation tank 103 on both sides, a sliding block 302 slidingly arranged in the sliding groove 301, a pipe mounting block 303 arranged at the top of the sliding block 302, a threaded rod 304 threadedly connected to the sliding block 302, and a second servo motor 3051 arranged at one side of the sliding groove 301 through a connecting piece, and the output shaft of the second servo motor 3051 is connected with the threaded rod 304.

[0036] With reference to Figures 1-4, based on the same idea as in the above embodiment 1, this embodiment also proposes that the threaded rod 304 is provided with a structure shaft 3041 at the end away from the second servo motor 3051, the structure shaft 3041 is provided with a shaft table 305 at the top of the chute 301 through bearings, the flocculation tank 103 is provided with a suction pipe 306, the end of the suction pipe 306 penetrates to the surface of the side plate of the flocculation tank 103 and is provided with a second conveying pipe 307, the end of the second conveying pipe 307 is provided with a sludge pump 308, one end of the sludge pump 308 is provided with a third conveying pipe 309, and the end of the third conveying pipe 309 leads to the rotary tank 104.

[0037] Specifically, the working process or working principle of the wastewater treatment wastewater reflux tank is as follows: in use, the wastewater to be treated is led to the input pipe 201 through the input port 1011, the first servo motor 207 is set, the auger 2031 is rotated, the impurities with poor flowability at the bottom of the sludge separation tank 101 are carried away by the auger 2031 and led to the rotary tank 104, the water body is led to the steady flow tank 102 through the first through groove, the water at the bottom of the steady flow tank 102 is led to the flocculation tank 103 from the second through groove 1022, the second servo motor 3051 is set, so that the sliding block 302 is moved under the action of the threaded rod 304, and the pipe installed on the pipe mounting block 303 on the sliding block 302 can uniformly spread the additional flocculant liquid into the flocculation tank 103. Then the treated liquid at the upper part of the flocculation tank 103 is pumped away using a water pump, and the flocculated and precipitated sludge at the lower part is led to the rotary tank 104 by the suction pipe 306 under the action of the sludge pump 308, and then is refluxed to the input port 1011 for circulation.

Claims

1. A wastewater recirculation tank for wastewater treatment, comprising a main tank (1), characterized in that, The main tank (1) is provided with a sludge separation tank (101), a flow stabilizing tank (102), a flocculation tank (103), and a rotary tank (104) in sequence inside. The sludge separation tank (101) is provided with a separation and reflux mechanism (2), which includes: An outer tube (202) is provided with an inlet tube (201) on its side; An inner transport pipe (203) is sleeved inside an outer casing (202), and an auger (2031) is provided inside the inner transport pipe (203). A three-way pipe (204) is provided at the top of the inner transport pipe (203); A baffle (205) is provided on the outer ring of the outer tube (202). A conical cover (206) is fixedly provided at the bottom of the baffle (205). The conical cover (206) is connected to the inner wall of the outer tube (202) and the main groove (1) through structural components.

2. The wastewater return tank for wastewater treatment according to claim 1, characterized in that, The top of the sludge separation tank (101) is provided with a cover plate (1012), and a first servo motor (207) is mounted on the top of the cover plate (1012) by a mounting bracket. The output shaft of the first servo motor (207) is connected to the top of the auger (2031).

3. The wastewater return tank for wastewater treatment according to claim 2, characterized in that, The shaft of the auger (2031) is connected to the top tube of the tee pipe (204) via a sealed bearing. A sealing ring (2021) is fixedly connected to the top of the outer sleeve (202), and the sealing ring (2021) is tightly connected to the outer ring of the inner transport pipe (203).

4. The wastewater return tank for wastewater treatment according to claim 3, characterized in that, The bottom openings of both the outer tube (202) and the inner transport tube (203) are located at the bottom of the conical cover (206).

5. The wastewater return tank for wastewater treatment according to claim 4, characterized in that, The stabilizing trough (102) has a first through groove (1021) at the top of the plate near the sludge separation trough (101), and the stabilizing trough (102) has a second through groove (1022) at the bottom of the plate near the flocculation trough (103).

6. The wastewater return tank for wastewater treatment according to claim 5, characterized in that, The sludge separation tank (101) has an inlet (1011) on its side, and the rotary tank (104) has a return port (1041) at the bottom of one side. The transverse tube of the three-way pipe (204) is connected to a first transport pipe (2041), and the end of the first transport pipe (2041) leads to the rotary tank (104).

7. The wastewater return tank for wastewater treatment according to claim 6, characterized in that, The flocculation tank (103) is provided with a flocculation reflux mechanism (3). The flocculation reflux mechanism (3) includes a chute (301). The chute (301) is located on both sides of the top of the flocculation tank (103). The chute (301) is slidably provided with a slider (302). The top of the slider (302) is provided with a pipe mounting block (303). A threaded rod (304) is threadedly connected to the slider (302). A second servo motor (3051) is provided on one side of the chute (301) through a connector. The output shaft of the second servo motor (3051) is connected to the threaded rod (304).

8. The wastewater return tank for wastewater treatment according to claim 7, characterized in that, The threaded rod (304) has a structural shaft (3041) at one end away from the second servo motor (3051). The structural shaft (3041) has a bearing on the shaft (305) located at the top of the slide (301). The flocculation tank (103) has a suction pipe (306). The end of the suction pipe (306) extends through to the surface of the side plate of the flocculation tank (103) and has a second transport pipe (307). The end of the second transport pipe (307) has a sludge pump (308). One end of the sludge pump (308) has a third transport pipe (309). The end of the third transport pipe (309) leads to the rotary groove (104).

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