CN212954761U

CN212954761U - Integrated sewage treatment device

Info

Publication number: CN212954761U
Application number: CN202021655571.6U
Authority: CN
Inventors: 张凯钧; 李慧; 颜文平; 陈权; 罗丹
Original assignee: Hunan Modern Environment Technology Co ltd
Current assignee: Hunan Modern Environment Technology Co ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-04-13
Anticipated expiration: 2030-08-11

Abstract

The utility model discloses an integrated sewage treatment device, which comprises a box body, a hydrolysis acidification unit, a contact oxidation unit, a precipitation unit and a middle pool unit, wherein the hydrolysis acidification unit, the contact oxidation unit, the precipitation unit and the middle pool unit are sequentially connected inside the box body; the hydrolysis acidification unit is provided with a water inlet, and the water inlet is connected with a raw water micropore pipeline extending towards the inside of the hydrolysis acidification unit. The utility model discloses an integration sewage treatment plant has out water stable in quality of water, precipitation efficiency height, sewage treatment can the reinforce, mobility is better, economic efficient advantage.

Description

Integrated sewage treatment device

Technical Field

The utility model relates to a sewage treatment field, concretely relates to integration sewage treatment plant.

Background

The existing sewage treatment equipment has the problems of large occupied area, high construction cost, large equipment investment and high operation cost, and simultaneously, in the process of sewage treatment, the phenomena of uneven water quality of inlet water and ineffective precipitation of suspended solids in subsequent treatment can easily occur, so that the problems of large fluctuation of water quality parameters and poor precipitability of the suspended solids exist in the water outlet process, and meanwhile, the existing technology generally does not carry out disinfection treatment on outlet water, thereby bringing serious influence on stable outlet water.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the not enough of prior art existence, provide a play water quality of water stable, precipitation efficiency is high, sewage treatment can the reinforce, and mobility is better, economic efficient effluent treatment plant.

In order to solve the technical problem, the utility model discloses a following technical scheme:

an integrated sewage treatment device comprises a box body, a hydrolysis acidification unit, a contact oxidation unit, a precipitation unit and a middle pool unit, wherein the hydrolysis acidification unit, the contact oxidation unit, the precipitation unit and the middle pool unit are sequentially arranged and sequentially connected in the box body; the hydrolysis acidification unit is provided with a water inlet, and the water inlet is connected with a raw water micropore pipeline extending towards the inside of the hydrolysis acidification unit.

The technical scheme is that in the process of introducing sewage into the hydrolysis acidification unit in the prior art, the sewage and the sewage which is degraded in the hydrolysis acidification unit are not uniformly mixed, so that the problems of large fluctuation of the final effluent quality parameters of the hydrolysis acidification unit and the device, poor hydrolysis acidification effect and difficult subsequent precipitation can be caused; the utility model discloses then connect a raw water micropore pipeline behind the water inlet of hydrolysis-acidification unit, can realize that the sewage raw water is at the inside evenly distributed of hydrolysis-acidification unit and with the intensive mixing of the sewage of degradation treatment through the micropore effect to guarantee out water quality of water, reduce follow-up sedimentation treatment's the degree of difficulty, guarantee the treatment effect of sewage.

As a further improvement of the above technical solution:

the raw water microporous pipeline is arranged at the bottom of the hydrolysis acidification unit, and extends to the side wall of the hydrolysis acidification unit along the horizontal direction. Through the specific requirements on the position and the setting mode of the raw water microporous pipeline, the raw water microporous pipeline can cover the hydrolysis acidification unit as much as possible, so that the state of fully stirring and mixing the raw water in the hydrolysis acidification tank is improved, and the sewage treatment effect is improved.

Micropores of the raw water micropore pipeline are formed in two sides of the raw water micropore pipeline, and the micropores of the raw water micropore pipeline and the horizontal plane form an angle of 30-60 degrees and face obliquely downward. Orientation through to raw water micropore pipeline hole is injectd, can guarantee that the raw water is spout downwards after the pipeline gets into hydrolysis acidification unit, be favorable to quality of water to spout and come, inside forms the mixed flow state, the quality of water of this unit of intensive mixing, further promote the mixed effect of raw water, guarantee the water quality, further through the mixed flow that sewage formed, make microorganism and sewage intensive mixing, the area of contact of increase microorganism and sewage, reduce the sediment of microorganism, strengthen the adhesion of microorganism on the filler, the effect of hydrolysising is strengthened.

The hydrolysis acidification unit and the contact oxidation unit, the contact oxidation unit and the precipitation unit and the middle pool unit are connected through water diversion microporous pipelines. The water diversion microporous pipelines are selected to be connected among the water produced by the water quality treatment units, so that the water produced by the previous water quality treatment unit can be well dispersed and mixed in the next water quality treatment unit, the treatment effect of each water quality treatment unit is improved, and the stability of the water quality parameters of the water produced by each water quality treatment unit and the final effluent of the system is ensured.

Micropores are formed in the two ends of the diversion micropore pipeline, one end of the micropore pipeline close to the water inlet direction is provided with micropores, the micropores are distributed on the two sides of the pipeline and form 45 degrees with the horizontal plane and face the obliquely upper direction. The arrangement of the micropores on the water diversion micropore pipeline is favorable for the produced water to selectively permeate the micropores and enter the next treatment unit to be uniformly mixed with the sewage; the sludge naturally settles along the pipe orifice of the microporous pipe, and the sludge is quickly attached to the filler in the box body in the settling process, so that the contact area of the sewage and the sludge is favorably strengthened, and the natural internal circulation is integrally formed to strengthen the biochemical effect.

The diameter of the micropore of the water diversion micropore pipeline is 25-32 mm. Through the micropore aperture of injecing each diversion micropore pipeline, can be under the prerequisite of the water delivery efficiency of guaranteeing diversion micropore pipeline, reduce the possibility that large granule material such as silt gets into diversion micropore pipeline, thereby avoid pipeline's jam between each water quality treatment unit, and can effectively reduce the large granule thing content that gets into next water quality treatment unit, improve the treatment effeciency, reduce the treatment cost, and simultaneously, the micropore still can guarantee that suspended particles get into inside the box along the landing of micropore pipeline wall, form natural inner loop, make quality of water intensive mixing, strengthen biochemical effect.

And the inlet of the water diversion microporous pipeline is arranged at the upper parts of the hydrolysis acidification unit, the contact oxidation unit and the precipitation unit. Through the entry position of injecing diversion micropore pipeline, can guarantee that diversion micropore pipeline transports next water quality treatment unit with the supernatant after each water quality treatment unit handles to further reduce the possibility that large granule material got into diversion micropore pipeline, guarantee that the pipeline is unobstructed, improve the treatment effeciency.

The device also comprises a disinfection processing unit connected with the water outlet of the middle pool unit, and a clear liquid overflow port is arranged in the disinfection processing unit. The disinfection treatment unit can disinfect the final effluent of the device, so that the stability of the quality of the final effluent is improved; meanwhile, the arrangement of the overflow port can increase a precipitation process in the disinfection treatment unit, further reduce the content of large granular substances in the effluent and improve the effluent quality.

The contact oxidation unit is internally provided with an internal sludge backflow assembly leading to the hydrolysis acidification unit, the internal sludge backflow assembly comprises a sludge backflow pump and a sludge backflow pipeline connected with the sludge backflow pump and the hydrolysis acidification unit, and the sludge backflow pump is arranged at the bottom of the contact oxidation unit. The sludge produced in the contact oxidation unit is refluxed to the hydrolysis acidification unit through the inside sludge reflux unit, the degradation effect of the microorganisms on sewage denitrification can be enhanced, and the macromolecular substances which are difficult to be biodegraded and are contained in the sludge are ensured to be completely converted into the micromolecular substances easy to be biodegraded, so that the effect of the contact oxidation unit and the water quality of the final effluent are ensured.

The sedimentation unit is internally provided with an inclined pipe, and the inclined pipe is arranged at the middle height position of the sedimentation unit. The pipe chute that sets up in the unit middle section of deposiing can help mud to carry out mud-water separation, bonds mutually between the suspended particles in the sewage, because self receives the influence of gravity, sinks naturally along the limit that the pipe chute packed, thereby the pipe chute bottom, clear water along the ascending flow of pipe chute packing realizes mud-water rapid segregation, can show the efficiency that improves the sediment.

And a sludge outlet is formed in the bottom of the precipitation unit and is connected with an external sludge backflow component leading to the hydrolysis acidification unit and the contact oxidation unit.

An aeration component is arranged in the contact oxidation unit, the aeration component comprises a plurality of aeration discs paved at the bottom of the contact oxidation unit, and the aeration discs are connected with an external air blower through pipelines. The aeration disc can form a large amount of bubbles, provide sufficient oxygen for the biochemical action of the microorganisms, also can ensure the sufficient mixing of sewage and the microorganisms, simultaneously strengthen the contact time of the microorganisms and the sewage, and ensure the biodegradation function of the contact oxidation unit.

And an anticorrosive filler is arranged in the contact oxidation unit. The anticorrosive filler can provide a place for microorganism adhesion growth, and can play a role in shearing bubbles, promoting uniform mixing and enhancing the degradation effect of microorganisms.

The hydrolysis acidification unit, the contact oxidation unit, the precipitation unit, the middle pool unit and the disinfection treatment unit are all provided with a manhole and a ladder stand for passing through during maintenance.

Compared with the prior art, the utility model has the advantages of: the utility model discloses it is fast to go out water stable in quality of water, sludge settling, and sewage treatment ability is strong, the treatment effeciency is high to integration container formula is the platform, can shift the position in a flexible way, has better mobility, can adapt to the processing requirement in different pollution places, can reuse, thereby saved expenses such as pipeline construction, waste water treatment civil engineering greatly, is an economic efficient effluent treatment plant.

Drawings

FIG. 1 is a schematic top view of pipes in the top of the tank of the integrated sewage treatment apparatus of example 1;

FIG. 2 is a schematic top view showing the middle structure of the tank of the integrated sewage treatment apparatus according to example 1;

FIG. 3 is a schematic top view showing the respective structures of the bottom of the tank of the integrated sewage treatment apparatus according to example 1;

FIG. 4 is a schematic sectional view of the integrated sewage treatment apparatus of example 1 in a front view in a direction of a tank body (mainly showing the arrangement of the position of a filler and a pipeline);

FIG. 5 is a sectional view of the integrated sewage treatment apparatus of example 1 taken along the direction of the inside of the tank from the front (mainly showing the arrangement of the aeration unit and the piping)

FIG. 6 is a cross-sectional view of the raw water microporous pipe in FIG. 3 along direction aa' in example 1.

Illustration of the drawings:

1. a box body; 2. a bottom stiffener; 3. a hydrolysis acidification unit; 4. a water inlet; 5. a manhole; 6. an external sludge recirculation port; 7. climbing a ladder; 8. a raw water microporous pipeline; 9. an inner support; 10. a contact oxidation unit; 11. a sludge return line; 12. a water diversion microporous pipeline; 13. a sludge outlet; 14. a precipitation unit; 15. a communication port; 16. a water outlet; 17. a middle pool unit; 18. a sterilization processing unit; 19. a clear liquid overflow port; 20. a blower connection port; 21. a filler support; 22. anticorrosive filler; 23. a pipe chute support; 24. an aeration disc; 25. a hoisting device; 26. an internal reflux butt-joint pipe orifice; 27. an auxiliary pipe; 28. an outer reinforcement plate; 29. a reflux pump auxiliary device; 30. a sludge reflux pump; 31. a reflux pump mounting device; 32. an inclined tube; 33. a liquid level control meter; 34. and (4) micro-pores.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific embodiments.

Example 1:

as shown in fig. 1-6, the integrated sewage treatment device of the present embodiment includes a box body 1, and a hydrolysis acidification unit 3, a contact oxidation unit 10, a precipitation unit 14, and an intermediate tank unit 17 provided with a water outlet 16, which are sequentially arranged and connected in the box body 1; the hydrolysis acidification unit 3 is provided with a water inlet 4, and the water inlet 4 is connected with a raw water microporous pipeline 8 extending towards the inside of the hydrolysis acidification unit 3.

In this embodiment, the raw water microporous pipeline 8 is disposed at the bottom of the hydrolysis-acidification unit 3 and is 10cm away from the bottom, the raw water microporous pipeline 8 extends to the side wall of the hydrolysis-acidification unit 3 along the horizontal direction, and the distance from the tail end of the raw water microporous pipeline 8 to the side wall of the hydrolysis-acidification unit 3 is 20 cm.

In this embodiment, as shown in fig. 6, the micropores 34 of the raw water microporous pipeline 8 are opened at both sides of the raw water microporous pipeline 8, and the micropores 34 of the raw water microporous pipeline 8 are directed obliquely downward at an angle of 45 ° with respect to the horizontal plane.

In this embodiment, the hydrolysis acidification unit 3 is connected with the contact oxidation unit 10 through a water diversion microporous pipeline 12, the contact oxidation unit 10 is connected with the precipitation unit 14 through the water diversion microporous pipeline 12, and the precipitation unit 14 is connected with the intermediate pool unit 17 through the water diversion microporous pipeline 12 and a communication port 15.

In this embodiment, micropores have all been seted up at the both ends of diversion micropore pipeline 12, and be close to the one of the water-entry direction and serve the micropore distribution in the pipeline both sides, and become 45 with the horizontal plane and incline the top towards.

In this embodiment, the distance between one end of the diversion microporous pipeline 12 in the water outlet direction and the bottom of the next processing unit is about 200 mm.

In this embodiment, the diameter of the micropores of the water diversion microporous pipeline 12 is 25-32 mm.

In this embodiment, the inlet of the water diversion microporous pipeline 12 is arranged at the upper part of the hydrolysis acidification unit 3, the contact oxidation unit 10 and the precipitation unit 14.

In this embodiment, the device further comprises a disinfection treatment unit 18 connected with the water outlet 16 of the intermediate pool unit 17, and a clear liquid overflow port 19 is arranged in the disinfection treatment unit 18.

In this embodiment, contact oxidation unit 10 is inside still to be provided with the inside mud backward flow subassembly that leads to hydrolysis-acidification unit 3, inside mud backward flow subassembly includes mud backwash pump 30 and sludge return line 11, mud backwash pump 30 passes through backwash pump installation device 31 to be installed in contact oxidation unit 10 bottom, sludge return line 11 passes through internal support 9 to be installed at box 1 top, one end leads to hydrolysis-acidification unit 3, the other end is provided with inside backward flow butt joint mouth of pipe 26, sludge backwash pump 30 is connected with inside backward flow butt joint mouth of pipe 26 through inside backward flow auxiliary conduit 27.

In this embodiment, still be connected with backwash pump auxiliary device 29 on the sludge recirculation pump 30, backwash pump auxiliary device 29 is anticorrosive nylon rope, can pull out sludge recirculation pump 30 when overhauing.

In this embodiment, an inclined tube 32 is disposed in the precipitation unit 14, and the inclined tube 32 is disposed at a middle height position of the precipitation unit 14 through an inclined tube support 23.

In this embodiment, the bottom of the precipitation unit 14 is provided with a sludge outlet 13, and the sludge outlet 13 is connected with an external sludge return assembly leading to the hydrolysis acidification unit 3 and the contact oxidation unit 10. And the hydrolysis acidification unit 3 and the contact oxidation unit 10 are both provided with external sludge return ports 6, and the external sludge return ports 6 are both connected with an external sludge return component.

An aeration component is arranged in the contact oxidation unit 10, the aeration component comprises a plurality of aeration discs 24 laid at the bottom of the contact oxidation unit 10, the aeration discs 24 are connected with a blower connecting port 20 arranged on the top plate of the contact oxidation unit 10 through a pipeline, and the blower connecting port 20 is connected with an external blower.

In this embodiment, the hydrolysis acidification unit 3 and the contact oxidation unit 10 are provided with the anticorrosive filler 22 therein, and the anticorrosive filler 22 is installed at the middle height position of the hydrolysis acidification unit 3 and the contact oxidation unit 10 through the filler support 21.

In this embodiment, a manhole 5 through which maintenance is performed and a ladder stand 7 disposed inside the manhole 5 are opened beside the hydrolysis acidification unit 3, the contact oxidation unit 10, the precipitation unit 14, the intermediate tank unit 17 and the disinfection treatment unit 18.

In this embodiment, a liquid level control meter 33 linked with an external pump body is provided in the intermediate tank unit 17, and when the liquid level in the intermediate tank unit 17 exceeds the monitoring liquid level of the liquid level control meter 33, the intermediate tank unit 17 is controlled to drain water to the disinfection processing unit 18.

In the embodiment, the bottom end outside the box body 1 is covered with a bottom reinforcing plate 2; the outer side of the cabinet 1 is covered with an outer reinforcement plate 28.

In this embodiment, a lifting device 25 is installed on the top of the box body.

The process flow for treating the domestic sewage by using the embodiment is as follows:

the domestic sewage is firstly collected in an adjusting tank (constructed by project places), and the water quality and the water quantity are adjusted in the adjusting tank; the raw water is uniformly distributed in the hydrolysis acidification unit 3 by the hydrolysis acidification unit 3 through the raw water microporous pipeline 8 by a lifting pump in the regulating reservoir, so that the water quality of the raw water is fully mixed, and the macromolecular substances which are difficult to biodegrade are ensured to be converted into the micromolecular substances which are easy to biodegrade, thereby improving the biodegradability of the waste water; the hydrolysis acidification unit 3 guides produced water to enter the contact oxidation unit 10 through a water diversion microporous pipeline 12, and sewage is effectively biodegraded in the contact oxidation unit 10 through aeration; the produced water of the contact oxidation unit 10 is guided to enter the precipitation receiving unit 14 through the water diversion microporous pipeline 12, and the sludge is rapidly precipitated in the precipitation receiving unit 14 through the inclined pipe 32 to realize sludge-water separation; supernatant enters an intermediate pool unit 17 through a water diversion microporous pipeline 12, the intermediate pool unit 17 is butted with an external water outlet pump (constructed by projects) through an intermediate pool water outlet 16 butted with an external reflux pump, and the outlet water can be guided to a disinfection treatment unit 18 through a liquid level control meter 33; the disinfection processing unit 18 guides the effluent to the discharge port through a clear liquid overflow port 19 connected with an external pipeline, and the sewage treatment process is completed.

The above description is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. For those skilled in the art, the modifications and changes obtained without departing from the technical idea of the present invention shall be considered as the protection scope of the present invention.

Claims

1. An integrated sewage treatment device is characterized by comprising a box body (1), and a hydrolysis acidification unit (3), a contact oxidation unit (10), a precipitation unit (14) and a middle pool unit (17) provided with a water outlet (16) which are sequentially connected in the box body (1); the hydrolysis acidification unit (3) is provided with a water inlet (4), and the water inlet (4) is connected with a raw water microporous pipeline (8) extending towards the inside of the hydrolysis acidification unit (3).

2. The integrated wastewater treatment apparatus according to claim 1, wherein the raw water microporous pipe (8) is disposed at the bottom of the hydrolysis acidification unit (3), and the raw water microporous pipe (8) extends to the side wall of the hydrolysis acidification unit (3) in a horizontal direction.

3. The integrated sewage treatment apparatus according to claim 2, wherein the micropores (34) of the raw water microporous pipeline (8) are opened at both sides of the raw water microporous pipeline (8), and the micropores (34) of the raw water microporous pipeline (8) are directed obliquely downward at an angle of 30 ° to 60 ° with respect to a horizontal plane.

4. The integrated sewage treatment device according to claim 1, wherein the hydrolysis acidification unit (3) and the contact oxidation unit (10), the contact oxidation unit (10) and the precipitation unit (14), and the precipitation unit (14) and the intermediate tank unit (17) are connected through water diversion microporous pipelines (12).

5. The integrated sewage treatment device according to claim 4, wherein the diameter of the micropores of the water diversion microporous pipeline (12) is 25-32 mm.

6. The integrated wastewater treatment plant according to claim 4, wherein the inlet of the water diversion microporous pipe (12) is arranged at the upper part of the hydrolysis acidification unit (3), the contact oxidation unit (10) and the precipitation unit (14).

7. The integrated sewage treatment device according to any one of claims 1 to 6, further comprising a disinfection treatment unit (18) connected to the water outlet (16) of the intermediate tank unit (17), wherein a clear liquid overflow port (19) is provided in the disinfection treatment unit (18).

8. The integrated wastewater treatment plant according to any one of claims 1 to 6, wherein an internal sludge return assembly leading to the hydrolysis acidification unit (3) is further arranged inside the contact oxidation unit (10), and the internal sludge return assembly comprises a sludge return pump (30) and a sludge return pipeline (11) connecting the sludge return pump (30) and the hydrolysis acidification unit (3).

9. The integrated wastewater treatment device according to any one of claims 1 to 6, wherein an inclined pipe (32) is provided in the sedimentation unit (14), and the inclined pipe (32) is provided at an intermediate height position of the sedimentation unit (14).

10. The integrated wastewater treatment plant according to any of the claims 1 to 6, characterized in that the bottom of the sedimentation unit (14) is provided with a sludge outlet (13), and the sludge outlet (13) is connected with an external sludge return assembly leading to the hydrolysis acidification unit (3) and the contact oxidation unit (10).