CN114477614A

CN114477614A - Water treatment apparatus and method

Info

Publication number: CN114477614A
Application number: CN202111439870.5A
Authority: CN
Inventors: 徐锋
Original assignee: Shenzhen Hezhong Environmental Technology Co ltd
Current assignee: Shenzhen Hezhong Environmental Technology Co ltd
Priority date: 2020-12-17
Filing date: 2021-11-30
Publication date: 2022-05-13
Also published as: CN112499908A

Abstract

The invention discloses a water treatment device and a method, wherein the water treatment device comprises an anaerobic unit and a facultative unit which are sequentially communicated along a water inlet direction, and the anaerobic unit is used for performing biochemical treatment and physical filtration treatment on a water body to be treated under an anaerobic environment; the facultative unit is used for carrying out biochemical treatment and physical filtration treatment under the facultative environment on the water body output by the anaerobic unit. Above-mentioned water treatment facilities passes through the effective combination of anaerobism unit and facultative anaerobic unit, can effectively get rid of organic matter, ammonia nitrogen and suspended solid in the water, ensures that the water quality of water after handling is reliable up to standard, can reach emission standard.

Description

Water treatment apparatus and method

Technical Field

The invention relates to the technical field of water treatment, in particular to water treatment equipment and a water treatment method.

Background

With the development of economy and the improvement of living standard of people, the problem of water pollution is urgently solved. In recent years, water body treatment projects are invested in construction in a dispute, and the treatment effects are uneven. The reason is that when the common single water treatment process is applied to water body treatment, the problems of unstable water body purification treatment effect, high operation cost and the like exist, and the actual requirements of water body pollution treatment cannot be met.

Disclosure of Invention

In view of the above, there is a need for a water treatment apparatus and method capable of achieving a water purification effect.

A water treatment apparatus comprising: the anaerobic unit and the facultative unit are sequentially communicated along the water inlet direction, and the anaerobic unit is used for performing biochemical treatment and physical filtration treatment on a water body to be treated in an anoxic environment; the facultative unit is used for carrying out biochemical treatment and physical filtration treatment on the water body output by the anaerobic unit under the facultative environment.

In one embodiment, the anaerobic unit includes a first reaction chamber and a first filler, the first reaction chamber is communicated with the facultative anaerobic unit, the first reaction chamber is used for accommodating the water body to be treated, the first filler is disposed in the first reaction chamber, the first filler is used for adhesion growth of anoxic microorganisms, the anoxic microorganisms are used for performing biochemical treatment under an anoxic environment on the water body in the first reaction chamber, the first filler is further used for performing physical filtration treatment on the water body in the first reaction chamber, and the facultative anaerobic unit is used for performing biochemical treatment and physical filtration treatment on the water body output by the first reaction chamber under the facultative anaerobic environment.

In one embodiment, the anaerobic unit further comprises a first aeration unit disposed within the first reaction chamber.

In one embodiment, the facultative anaerobic unit comprises a second reaction chamber and a second filler, the second reaction chamber is communicated with the anaerobic unit, the second reaction chamber is used for accommodating a water body output by the anaerobic unit, the second filler is arranged in the second reaction chamber, the second filler is used for attaching and growing facultative microorganisms, the facultative microorganisms are used for performing biochemical treatment on the water body in the second reaction chamber in a facultative environment, and the second filler is also used for performing physical filtration treatment on the water body in the second reaction chamber.

In one embodiment, the facultative unit further comprises a second aeration unit disposed within the second reaction chamber.

In one embodiment, the water treatment equipment further comprises a precipitation unit, the precipitation unit is arranged at the downstream end of the facultative unit, and the precipitation unit is used for carrying out physical precipitation and filtration treatment on the water body output by the facultative unit.

In one embodiment, the water treatment apparatus further comprises at least one of:

the pretreatment unit is arranged at the upstream end of the anaerobic unit and is used for physically pretreating the water body to be treated; and

and the power supply unit is electrically connected with the power utilization structure of the water treatment equipment and is used for supplying power to the power utilization structure of the water treatment equipment.

A method of water treatment comprising the steps of:

carrying out biochemical treatment and physical filtration treatment on a water body to be treated in an anoxic environment by using an anaerobic unit; and

and performing biochemical treatment and physical filtration treatment on the water body output by the anaerobic unit in a facultative environment by using the facultative unit.

In one embodiment, after the step of performing biochemical treatment and physical filtration treatment in the facultative environment on the water body output by the anaerobic unit by using the facultative unit, the water treatment method further comprises the following steps:

and carrying out physical precipitation filtration treatment on the water body output by the facultative anaerobic unit by utilizing a precipitation unit.

In one embodiment, before the step of performing biochemical treatment and physical filtration treatment in an anoxic environment on the water body to be treated by using the anaerobic unit, the water treatment method further comprises the following steps:

and carrying out physical pretreatment on the water body to be treated by utilizing a pretreatment unit.

The application provides a water treatment facilities, at first carry out biochemical treatment and physical filtration under the anaerobic environment through the water that the anaerobism unit was treated the processing, organic matter in with getting rid of the water, ammonia nitrogen and suspended solid, carry out biochemical treatment and physical filtration under the facultative environment through the water of facultative oxygen unit output after that, thereby realize the organic matter in the water, the further getting rid of ammonia nitrogen and suspended solid, therefore, above-mentioned water treatment facilities passes through the anaerobism unit and effectively combines with the facultative oxygen unit, can effectively get rid of the organic matter in the water, ammonia nitrogen and suspended solid, ensure that the water quality of water after handling is up to standard reliable, can reach emission standard.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of a water treatment apparatus in an embodiment;

fig. 2 is a partial structural schematic view of the water treatment apparatus shown in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, "and/or" in the whole text includes three schemes, taking a and/or B as an example, including a technical scheme, and a technical scheme that a and B meet simultaneously; in addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1, a water treatment apparatus 10 in an embodiment includes an anaerobic unit 100 and a facultative unit 200 sequentially communicated along a water inlet direction, wherein the anaerobic unit 100 is used for performing biochemical treatment and physical filtration treatment under an anaerobic environment on a water body to be treated; the facultative unit 200 is used for performing biochemical treatment and physical filtration treatment on the water body output by the anaerobic unit 100 in the facultative environment.

The application provides a water treatment facilities 10, at first carry out biochemical treatment and physical filtration under the anaerobic environment through anaerobism unit 100 water of treating the processing, in order to get rid of the organic matter in the water, ammonia nitrogen and suspended solid, carry out biochemical treatment and physical filtration under the facultative environment through the water of facultative oxygen unit 200 to anaerobism unit 100 output after that, thereby realize the organic matter in the water, ammonia nitrogen and further getting rid of suspended solid, therefore, above-mentioned water treatment facilities 10 passes through anaerobism unit 100 and the effective combination of facultative oxygen unit 200, can effectively get rid of the organic matter in the water, ammonia nitrogen and suspended solid, ensure that the water quality of water after the processing is up to standard reliably, can reach emission standard.

In an embodiment, the anaerobic unit 100 includes a first reaction chamber 110 and a first filler, the first reaction chamber 110 is communicated with the facultative unit 200, the first reaction chamber 110 is used for accommodating a water body to be treated, the first filler is disposed in the first reaction chamber 110, the first filler is used for attachment growth of anaerobic microorganisms, the anaerobic microorganisms are used for biochemical treatment under an anaerobic environment on the water body in the first reaction chamber 110, the first filler is also used for physical filtration treatment on the water body in the first reaction chamber 110, and the facultative unit 200 is used for biochemical treatment and physical filtration treatment on the water body output from the first reaction chamber 110 under the facultative environment.

Specifically, the first reaction chamber 110 may be a tank structure, or a box structure, and the first reaction chamber 110 may be embedded underground to reduce a floor area; further, the first reaction chamber 110 can be cylindrical, spherical or ellipsoidal, and the cylindrical, spherical or ellipsoidal first reaction chamber 110 has high structural strength, simple processing and production, lower cost and reduced floor space.

In an embodiment, the first reaction chamber 110 may be made of a stainless steel material, so that the thickness of the sidewall of the first reaction chamber 110 can be reduced while the structural strength of the first reaction chamber 110 is satisfied, thereby effectively reducing the manufacturing cost of the first reaction chamber 110; the first reaction chamber 110 can also assist in the construction of utilities.

As shown in fig. 1, in an embodiment, the first reaction chamber 110 includes a reaction chamber body 120 and an inspection well 130 disposed at a top of the reaction chamber body 120, an inspection opening 131 is disposed at a top of the inspection well 130, the reaction chamber body 120 is used for receiving a water body to be treated, and the first filler is disposed in the reaction chamber body 120 of the first reaction chamber 110. So set up, the inspection opening 131 of staff later stage accessible inspection shaft 130 observes the structure of setting in reaction chamber main part 120 and debugs, maintains and maintains, has effectively promoted the maintenance convenience of water treatment facilities 10.

In one embodiment, the inspection well 130 includes a well seat 132 and a well cover 134, the well seat 132 is disposed on the top of the reaction chamber body 120, the top of the well seat 132 is provided with an inspection opening 131, and the well cover 134 is disposed at the inspection opening 131 of the well seat 132 to open or close the inspection opening 131 of the well seat 132. Through the setting of well lid 134, when the staff need not debug the structure of the inside of reaction chamber main part 110 and maintain like this, accessible well lid 134 seals the inspection opening 131 at well seat 132 top to improve the safety in utilization of water treatment facilities 10, prevent that outside personnel or other objects from passing this inspection opening 131 and inadvertently dropping into in reaction chamber main part 110.

Specifically, the well cover 134 is rotatably coupled to the well base 132 to facilitate opening or closing of the inspection opening 131 at the top of the well base 132. Specifically, in the present embodiment, the reaction chamber body 120 and the well seat 132 of the inspection well 130 are pre-buried under the ground, and the well lid 134 of the inspection well 130 is exposed on the ground.

In one embodiment, the anaerobic microorganism performing biochemical treatment under anaerobic environment on the water body in the first reaction chamber 110 includes the anaerobic microorganism hydrolyzing and converting macromolecule insoluble organic matters in the water body into small molecule soluble organic matters under anaerobic environment to achieve removal of the macromolecule insoluble organic matters in the water body.

Further, in an embodiment, the anaerobic microorganism performing biochemical treatment in an anaerobic environment on the water body in the first reaction chamber 110 further includes that the anaerobic microorganism absorbs the small molecule soluble organic matters in the water body through metabolism of the anaerobic microorganism in the anaerobic environment to convert a part of the small molecule soluble organic matters into substances required for self growth and reproduction, and decomposes and converts another part of the small molecule soluble organic matters into carbon dioxide and methane to achieve removal of the small molecule soluble organic matters in the water body.

In an embodiment, the anaerobic microorganism performing biochemical treatment under an anaerobic environment on the water body in the first reaction chamber 110 further includes that the anaerobic microorganism uses ammonia nitrogen in the water body as a nutrient substance under the anaerobic environment and converts the ammonia nitrogen in the water body into a substance required by growth and reproduction of the anaerobic microorganism through metabolism of the anaerobic microorganism, so as to remove the ammonia nitrogen in the water body.

In an embodiment, the anaerobic microorganisms can also directly adsorb ammonia nitrogen in the water body in the first reaction chamber 110, so as to remove ammonia nitrogen in the water body.

In an embodiment, the physical filtration treatment of the water body in the first reaction chamber 110 by the first filler includes adsorption and interception of suspended matters in the water body by the first filler to achieve removal of suspended matters in the water body. In one embodiment, the suspension in the body of water includes SS.

In one embodiment, the first filler has a plurality of water passing gaps, and anaerobic microorganisms can adhere and grow on the surface of the first filler and in each water passing gap so as to increase the specific surface area of the first filler for growth and adhesion of the anaerobic microorganisms.

As shown in fig. 1 and 2, in an embodiment, the anaerobic unit 100 further includes a first aeration unit 140, the first aeration unit 140 is disposed in the first reaction chamber 110, and the first aeration unit 140 is configured to perform intermittent aeration into the first reaction chamber 110 to perform back flushing on the first filler, so as to flush the aged anaerobic microorganisms attached to the first filler from the first filler.

In one embodiment, the first aeration unit 140 includes an aeration pipe 142, and further, a plurality of air outlets are spaced on a sidewall of the aeration pipe 142. In an embodiment, the aeration pipe 142 includes an air outlet pipe 144 and an air inlet pipe 146, the air outlet pipe 144 may be, but is not limited to, an annular structure, the air outlet pipe 144 is disposed at the bottom of the first reaction chamber 110, a plurality of air outlet holes are spaced apart from each other on a side wall of the air outlet pipe 144, one end of the air inlet pipe 146 is connected to the air outlet pipe 144, the other end of the air inlet pipe 146 extends to the top of the first reaction chamber 110, and the gas outside the first reaction chamber 110 can sequentially flow through the air inlet pipe 146 and the air outlet pipe 144 and then be discharged into the first reaction chamber 110 through the air outlet holes, thereby realizing the aeration of the first aeration unit 140 into the first reaction chamber 110.

As shown in fig. 1, in an embodiment, a water inlet pipe 150 is further disposed on an outer sidewall of the first reaction chamber 110, the water inlet pipe 150 is used for allowing a water body to be treated to flow into the first reaction chamber 110, specifically, the water inlet pipe 150 is disposed on an outer sidewall of the well base 132 of the inspection well 130, and the water inlet pipe 150 extends to a bottom of the first reaction chamber 110.

In an embodiment, an overflow pipe 160 is further disposed on an outer sidewall of the first reaction chamber 110, the overflow pipe 160 is used for draining the excess water in the first reaction chamber 110, specifically, the overflow pipe 160 is disposed on an outer sidewall of the well base 132 of the inspection well 130, and the overflow pipe 160 and the water inlet pipe 150 are disposed on the same outer sidewall of the well base 132 of the inspection well 130.

In an embodiment, an exhaust pipe 170 is further disposed on an outer sidewall of the first reaction chamber 110, and the exhaust pipe 170 is used for exhausting the exhaust gas generated by the biochemical reaction of the anaerobic microorganisms in the first reaction chamber 110. Specifically, the exhaust pipe 170 is disposed on an outer side wall of the well seat 132 of the inspection well 130, so as to prevent the exhaust gas from being sucked by the worker to cause physical damage to the worker when the worker opens the well lid 134 of the inspection well 130 for maintenance. In this embodiment, the exhaust pipe 170 and the water inlet pipe 150 are respectively disposed on two opposite outer sidewalls of the well seat 132 of the inspection well 130.

As shown in fig. 1, in an embodiment, the facultative unit 200 includes a second reaction chamber 210 and a second filler, the second reaction chamber 210 is communicated with the anaerobic unit 100, the second reaction chamber 210 is used for accommodating a water body output by the anaerobic unit 100, the second filler is disposed in the second reaction chamber 210, the second filler is used for adhesion and growth of facultative microorganisms, the facultative microorganisms are used for biochemical treatment in the facultative environment for the water body in the second reaction chamber 210, and the second filler is also used for physical filtration treatment for the water body in the second reaction chamber 210.

In this embodiment, the second reaction chamber 210 has a structure similar to that of the first reaction chamber 110, and specifically, the second reaction chamber 210 includes a chamber body 120 and a manhole 130 disposed at the top of the chamber body 120, the chamber body 120 of the second reaction chamber 210 is used for accommodating a water body output by the anaerobic unit 100, and a second filler is disposed in the chamber body 120 of the second reaction chamber 210.

In one embodiment, the biochemical treatment of the water body in the second reaction chamber 210 by the facultative microorganisms under the facultative environment includes the step of oxidatively degrading the small molecule soluble organic matters in the water body into carbon dioxide and water by the facultative microorganisms under the facultative environment, so as to remove the small molecule soluble organic matters in the water body.

In an embodiment, the biochemical treatment of the water body in the second reaction chamber 210 by the facultative microorganisms under the facultative environment further includes that the facultative microorganisms absorb the small molecule soluble organic matters in the water body through own metabolism under the facultative environment, so as to convert a part of the small molecule soluble organic matters into substances required by self growth and reproduction, and decompose and convert another part of the small molecule soluble organic matters into carbon dioxide and methane, so as to remove the small molecule soluble organic matters in the water body.

In an embodiment, the step of subjecting the water body in the second reaction chamber 210 to the biochemical treatment under the facultative environment by the facultative microorganisms further includes the step of subjecting the water body to the nitrification treatment by the facultative microorganisms under the facultative environment to convert ammonia nitrogen in the water body into nitrate nitrogen and/or nitrite nitrogen, so as to remove the ammonia nitrogen in the water body.

In an embodiment, the physical filtration treatment of the water body in the second reaction chamber 210 by the second filler includes adsorption and interception of suspended matters in the water body by the second filler, so as to achieve removal of suspended matters in the water body. In one embodiment, the suspension in the body of water includes SS.

In one embodiment, the second filler has a plurality of water passing gaps, and the facultative microorganisms can attach and grow on the surface of the second filler and in each water passing gap, so that the specific surface area of the second filler for the growth and attachment of the facultative microorganisms is increased.

As shown in fig. 2, in an embodiment, the facultative unit 200 further comprises a second aeration unit 220, the second aeration unit 220 is disposed in the second reaction chamber 210, the second aeration unit 220 is used for performing intermittent aeration into the second reaction chamber 210, so that the interior of the second reaction chamber 210 forms a facultative environment required for the growth of facultative microorganisms; on the other hand, the second aeration unit 220 intermittently aerates the second reaction chamber 210 to perform back-washing of the second packing, thereby washing the aged facultative microorganisms attached to the second packing from the second packing.

In the present embodiment, the structure of the second aeration unit 220 is similar to that of the first aeration unit 140, and it is not described herein again, and the specific structure of the second aeration unit 220 may be described above with reference to the structure of the first aeration unit 140.

As shown in fig. 1, in an embodiment, the water treatment apparatus 10 further includes a precipitation unit 300, the precipitation unit 300 is disposed at a downstream end of the facultative anaerobic unit 200, and the precipitation unit 300 is configured to perform physical precipitation and filtration treatment on the water body output by the facultative anaerobic unit 200, so as to further remove suspended matters in the water body, and ensure that the concentration of the suspended matters in the treated water body reaches the standard reliably, and can reach the discharge standard. Specifically, the settling unit 300 effectively removes suspended matters with density greater than that of water from the water body by using gravity settling action, thereby ensuring that the concentration of the suspended matters in the treated water body reaches the standard reliably.

In one embodiment, the precipitation unit 300 comprises a third reaction chamber 310, and the third reaction chamber 310 is used for accommodating the water body output by the facultative oxygen unit 200 and for the received water body to perform physical precipitation filtration treatment.

In the present embodiment, the structure of the third reaction chamber 310 is similar to that of the first reaction chamber 110, specifically, the third reaction chamber 310 includes a reaction chamber main body 120 and a manhole 130 disposed at the top of the reaction chamber main body 120, and the reaction chamber main body 120 of the third reaction chamber 310 is used for accommodating the water body output by the facultative oxygen unit 200 and for allowing the received water body to perform a physical precipitation filtration treatment.

As shown in fig. 2, in an embodiment, the water treatment apparatus 10 further includes a sludge discharge unit 400, the sludge discharge unit 400 is connected to the precipitation unit 300, and the sludge discharge unit 400 is configured to discharge suspended matters separated by the precipitation unit 300 to the outside of the precipitation unit 300.

In an embodiment, the sludge discharging unit 400 includes a sludge suction pipe 410, a pump body 420 and a sludge discharge pipe 430, the sludge suction pipe 410 is disposed at the bottom of the third reaction chamber 310, the pump body 420 is connected to the sludge suction pipe 410, one end of the sludge discharge pipe 430 is connected to the pump body 420, the other end of the sludge discharge pipe 430 extends out of the third reaction chamber 310, suspended matters separated in the third reaction chamber 310 can be sequentially discharged out of the third reaction chamber 310 through the sludge suction pipe 410, the pump body 420 and the sludge discharge pipe 430, and the pump body 420 is configured to provide power for sucking and transmitting the suspended matters to the sludge suction pipe 410 and the sludge discharge pipe 430.

Specifically, the mud suction pipe 410 and the pump body 420 are disposed at the bottom of the chamber body 120 of the third reaction chamber 310, and one end of the mud discharge pipe 430, which is away from the pump body 420, extends to the manhole 130 of the third reaction chamber 310 and extends out of the third reaction chamber 310 through the sidewall of the manhole 130 of the third reaction chamber 310.

In an embodiment, the sludge suction pipe 410 includes a plurality of connected sludge suction branch pipes 412, a plurality of sludge suction holes are spaced on a side wall of each sludge suction branch pipe 412, the pump body 420 is connected to one of the sludge suction branch pipes 412, and suspended substances separated in the third reaction chamber 310 can enter the sludge suction branch pipe 412 through the sludge suction holes and then be discharged out of the third reaction chamber 310 through the sludge suction branch pipe 412, the pump body 420 and the sludge discharge pipe 430 in sequence.

As shown in fig. 1 and fig. 2, in an embodiment, the water treatment apparatus 10 further includes a backflow unit 500, the backflow unit 500 connects the precipitation unit 300 and the anaerobic unit 100, the backflow unit 500 is used for injecting suspended matters separated by the precipitation unit 300 back to the anaerobic unit 100, and the suspended matters returned by the backflow unit 500 to the anaerobic unit 100 can flow to the facultative anaerobic unit 200 along with the water in the anaerobic unit 100, so that the amount of microorganisms in the anaerobic unit 100 and the facultative anaerobic unit 200 can be ensured, and the biochemical treatment of the water by the anaerobic unit 100 and the facultative anaerobic unit 200 can be ensured to be smoothly performed.

Specifically, the backflow unit 500 connects the third reaction chamber 310 of the precipitation unit 300 and the first reaction chamber 110 of the anaerobic unit 100, and the backflow unit 500 is used for injecting suspended matters separated from the third reaction chamber 310 of the precipitation unit 300 back to the first reaction chamber 110 of the anaerobic unit 100, so that the suspended matters returned to the first reaction chamber 110 of the anaerobic unit 100 by the backflow unit 500 can flow along with the water in the first reaction chamber 110 to the second reaction chamber 210 of the facultative unit 200, and thus the amounts of microorganisms in the first reaction chamber 110 of the anaerobic unit 100 and the second reaction chamber 210 of the facultative unit 200 can be ensured.

Further, the backflow unit 500 may be, but is not limited to, a pipe structure, the backflow unit 500 connects the sludge discharge pipe 430 of the sludge discharge unit 400 and the first reaction chamber 110 of the anaerobic unit 100, the backflow unit 500 is used for injecting suspended matters discharged from the sludge discharge pipe 430 back to the first reaction chamber 110 of the anaerobic unit 100, and further, the backflow unit 500 is connected to the inspection well 130 of the first reaction chamber 110.

In an embodiment, the water treatment apparatus 10 further includes a pretreatment unit disposed at an upstream end of the anaerobic unit 100, wherein the pretreatment unit is configured to physically pretreat the water body to be treated, so as to intercept large-volume impurities (such as plants, plastics, and fibers) in the water body, and prevent the impurities from entering the anaerobic unit 100 to block the anaerobic unit 100, which may affect the treatment effect of the anaerobic unit 100.

In an embodiment, the pretreatment unit includes a grid unit and a lifting unit, the lifting unit is connected and arranged between the grid unit and the anaerobic unit 100, the grid unit is used for separating slag from the water body to be treated, so as to intercept large-volume impurities in the water body, and the lifting unit is used for pressurizing and conveying the water body treated by the grid unit to the anaerobic unit 100.

In an embodiment, the water treatment apparatus 10 further includes a power supply unit electrically connected to the power utilization structure of the water treatment apparatus 10, and the power supply unit is configured to supply power to the power utilization structure of the water treatment apparatus 10. In an embodiment, the power supply unit is a solar power supply device, and is configured such that the power supply unit can fully utilize solar energy as an electric energy source to supply power to the power utilization structure of the water treatment device 10, thereby saving energy, protecting environment, and reducing investment and operation cost.

In one embodiment, the modules of the water treatment device 10 are connected in a split mounting manner, so that the water treatment device has the advantages of being rapid in installation and short in period.

Referring to fig. 1, in an embodiment, the present application further provides a water treatment method based on the above water treatment apparatus 10, the water treatment method comprising the following steps:

s100, performing biochemical treatment and physical filtration treatment on the water body to be treated in an anaerobic environment by using the anaerobic unit 100.

And S200, performing biochemical treatment and physical filtration treatment on the water body output by the anaerobic unit 100 in the facultative environment by using the facultative unit 200.

The application provides a water treatment method, at first carry out biochemical treatment and physical filtration under the anaerobic environment through anaerobism unit 100 water that treats the processing, in order to get rid of the organic matter in the water, ammonia nitrogen and suspended solid, carry out biochemical treatment and physical filtration under the facultative environment through facultative oxygen unit 200 to the water of anaerobism unit 100 output after that, thereby realize the organic matter in the water, ammonia nitrogen and further getting rid of suspended solid, therefore, above-mentioned water treatment method passes through anaerobism unit 100 and the effective combination of facultative oxygen unit 200, can effectively get rid of the organic matter in the water, ammonia nitrogen and suspended solid, ensure that the water quality of water after handling is up to standard reliable, can reach emission standard.

In an embodiment, after the step S200 of performing biochemical treatment and physical filtration treatment in the facultative environment on the water body output by the anaerobic unit 100 by using the facultative unit 200, the water treatment method further includes:

and step S300, performing physical precipitation filtration treatment on the water body output by the facultative anaerobic unit 200 by using the precipitation unit 300 so as to further remove suspended matters in the water body, and ensuring that the concentration of the suspended matters in the treated water body reaches the standard and is reliable and can reach the discharge standard. Specifically, the settling unit 300 effectively removes suspended matters with density greater than that of water from the water body by using gravity settling action, thereby ensuring that the concentration of the suspended matters in the treated water body reaches the standard reliably.

In an embodiment, before step S100 of performing biochemical treatment and physical filtration treatment in an anaerobic environment on a water body to be treated by using the anaerobic unit 100, the water treatment method further includes:

step S400, the water body to be treated is physically pretreated by the pretreatment unit so as to intercept large-volume impurities (such as grass, wood, plastic products and fibers) in the water body, and the impurities are prevented from entering the anaerobic unit 100 to block the anaerobic unit 100 and influence the treatment effect of the anaerobic unit 100.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A water treatment apparatus, comprising: the anaerobic unit and the facultative unit are sequentially communicated along the water inlet direction, and the anaerobic unit is used for performing biochemical treatment and physical filtration treatment on a water body to be treated in an anoxic environment; the facultative unit is used for carrying out biochemical treatment and physical filtration treatment on the water body output by the anaerobic unit under the facultative environment.

2. The water treatment apparatus according to claim 1, wherein the anaerobic unit comprises a first reaction chamber and a first filler, the first reaction chamber is communicated with the facultative unit, the first reaction chamber is used for accommodating the water to be treated, the first filler is arranged in the first reaction chamber, the first filler is used for attaching and growing anoxic microorganisms, the anoxic microorganisms are used for performing biochemical treatment on the water in the first reaction chamber in an anoxic environment, the first filler is also used for performing physical filtration treatment on the water in the first reaction chamber, and the facultative unit is used for performing biochemical treatment and physical filtration treatment on the water output by the first reaction chamber in the facultative environment.

3. The water treatment apparatus of claim 2, wherein the anaerobic unit further comprises a first aeration unit disposed within the first reaction chamber.

4. The water treatment apparatus according to claim 1, wherein the facultative unit comprises a second reaction chamber and a second filler, the second reaction chamber is communicated with the anaerobic unit, the second reaction chamber is used for accommodating the water body output by the anaerobic unit, the second filler is arranged in the second reaction chamber, the second filler is used for adhesion and growth of facultative microorganisms, the facultative microorganisms are used for biochemical treatment of the water body in the second reaction chamber in a facultative environment, and the second filler is also used for physical filtration treatment of the water body in the second reaction chamber.

5. The water treatment apparatus according to claim 4, wherein said facultative unit further includes a second aeration unit, said second aeration unit being disposed within said second reaction chamber.

6. The water treatment apparatus of claim 1, further comprising a precipitation unit disposed at a downstream end of the facultative unit, the precipitation unit being configured to physically precipitate and filter a water body output by the facultative unit.

7. The water treatment apparatus of claim 1, further comprising at least one of:

8. A method of water treatment comprising the steps of:

9. The water treatment method according to claim 8, wherein after the step of performing biochemical treatment and physical filtration treatment in a facultative environment on the water body output by the anaerobic unit by using the facultative unit, the water treatment method further comprises:

10. The water treatment method according to claim 8, wherein before the step of performing biochemical treatment and physical filtration treatment in an anoxic environment on the water body to be treated by using the anaerobic unit, the water treatment method further comprises: