CN215799050U

CN215799050U - Construction waste water recycling device

Info

Publication number: CN215799050U
Application number: CN202122137430.6U
Authority: CN
Inventors: 杜玉生
Original assignee: Individual
Current assignee: Third Engineering Co Ltd of Highway Engineering Bureau of CCCC
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-02-11
Anticipated expiration: 2031-09-06

Abstract

The utility model discloses a construction wastewater recycling device which comprises a stirring tank, a sedimentation tank, an MBR membrane tank and a reclaimed water recycling tank which are sequentially communicated, wherein an MBR membrane group is arranged in the MBR membrane tank, and a flow direction adjusting device is arranged between the MBR membrane group and the reclaimed water recycling tank. The utility model has the beneficial effects that: thereby the flow direction of water is adjusted to the switch through adjusting valve for the MBR module switches between operating condition and washing state, thereby when keeping the water treatment effect of MBR module, prolongs the life of MBR module.

Description

Construction waste water recycling device

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a construction wastewater recycling device.

Background

Construction waste water includes the waste water that constructor produced at the building site production life and the waste water that the work progress produced, contains organic matters such as more solid matter and grease wherein, when adopting the MBR membrane to handle it, needs in time to wash the MBR membrane to improve the treatment effeciency of MBR membrane, so a construction waste water recycle technique that conveniently washs the MBR membrane is especially necessary. In addition, most construction places generate a large amount of dust, the dust is diffused in the air to influence the air quality and the working environment, and the physical health of operators is seriously influenced, so that the dust in the working environment can be reduced to a certain extent, and the working environment is improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defect of inconvenient MBR membrane cleaning in the prior art and provide a construction wastewater recycling device.

The purpose of the utility model is realized by the following technical scheme:

construction waste water recycle device, including stirring pond, sedimentation tank, MBR membrane cisterna and the reuse of reclaimed water pond that communicates in proper order, be provided with the MBR membrane group in the MBR membrane cisterna, the MBR module is through first connecting pipe and reuse of reclaimed water pond intercommunication, be provided with the water pump on the first connecting pipe, one side that the water pump is close to the MBR module is provided with first valve, is close to the one side in reuse of reclaimed water pond and is provided with the second valve, be provided with the second connecting pipe on the first connecting pipe between first valve and the MBR module, the second connecting pipe other end is connected on the first connecting pipe between water pump and the second valve, be connected with the third connecting pipe on the first connecting pipe between first valve and the water pump, the third connecting pipe other end and the reuse of reclaimed water pond intercommunication.

Preferably, the inner side of the upper part of the stirring pool is provided with an annular liquid outlet groove, the bottom of the liquid outlet groove is communicated with the inside of the stirring pool, the sedimentation pool is internally provided with a central cylinder, and a liquid channel is arranged between the liquid outlet groove and the central cylinder.

Preferably, an aeration device is arranged below the MBR module and connected with an air pump through a first air inlet pipe, the first air inlet pipe is further connected with an air inlet of a spraying device through a second air inlet pipe, and a liquid inlet of the spraying device is connected with a reclaimed water recycling tank through a first liquid inlet pipe.

Preferably, an acceleration separation device is arranged in the central cylinder, and the acceleration separation device comprises a rotating shaft driven by a motor and a rotating sheet arranged on the rotating shaft.

Preferably, a separation cylinder is arranged below the acceleration separation device, and a slurry channel is arranged between the separation cylinder and the central cylinder.

Preferably, a buffer is arranged between the separation cylinder and the accelerated separation device.

Preferably, the buffering member comprises a slurry guide ring located on the periphery, a liquid phase guide portion is arranged on the inner side of the slurry guide ring, and the slurry guide ring is gradually inclined downwards along the diameter increasing direction.

Preferably, the liquid phase guide part is lowered and then raised in height in a direction of diameter reduction, and a liquid phase through hole is provided in a middle portion of the liquid phase guide part.

Preferably, the bottom of the sedimentation tank is obliquely arranged, a slurry output pipe is arranged at the lowest point of the sedimentation tank, and a fifth valve is arranged on the slurry output pipe.

The construction waste water recycling method is characterized in that construction waste water is conveyed to the construction waste water recycling device through a water conveying pipe, and recycled water is obtained in a recycled water recycling pool.

The utility model has the following advantages:

the utility model adjusts the flow direction of reclaimed water by adjusting the switch of the valve through the circuit, so that the MBR module is switched between the working state and the flushing state, thereby prolonging the service life of the MBR module while maintaining the water treatment effect of the MBR module.

Produce the raise dust very easily in the work progress, in order to reduce the influence of raise dust to operational environment, still set up atomizer, atomizer's inlet and reuse of reclaimed water pond are connected, and the intake pipe is connected with the air pump, reduces the raise dust of environment with the reclaimed water of processing.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the structure of the inside of the center cylinder.

Fig. 3 is a top view of the accelerated separation apparatus.

Fig. 4 is a side view of the bumper.

Fig. 5 is a cross-sectional view of a buffer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment provides a construction wastewater recycling device, as shown in fig. 1, which comprises a stirring tank 1, a sedimentation tank 2, an MBR membrane tank 3 and a reclaimed water recycling tank 4 which are sequentially communicated, wherein an MBR membrane group 14 is arranged in the MBR membrane tank 3, the MBR module is communicated with the reclaimed water recycling tank 4 through a first connecting pipe 5, a water pump is arranged on the first connecting pipe 5, a first valve 6 is arranged on one side of the water pump close to the MBR module, a second valve 7 is arranged on one side of the water pump close to the reclaimed water recycling tank 4, a second connecting pipe is arranged on the first connecting pipe 5 between the first valve 6 and the MBR module, the other end of the second connecting pipe is connected to the first connecting pipe 5 between the water pump and the second valve 7, a third valve 8 is arranged on the second connecting pipe, and a third connecting pipe is connected to the first connecting pipe 5 between the first valve 6 and the water pump, the other end of the third connecting pipe is communicated with the reclaimed water recycling pool 4, and a fourth valve 9 is arranged on the third connecting pipe.

In the construction wastewater recycling device in the embodiment, a reversing device is arranged between the MBR module and the reclaimed water recycling tank 4, when reclaimed water to be treated is transferred into the reclaimed water recycling tank 4, the first valve 6 and the third valve 8 are opened, the second valve 7 and the fourth valve 9 are closed, and the reclaimed water flows to the reclaimed water recycling tank 4 through the first connecting pipe 5; when the reclaimed water needs to flow reversely, the first valve 6 and the third valve 8 are closed, the second valve 7 and the fourth valve 9 are opened, and the reclaimed water is transferred to the membrane tank from the reclaimed water reuse tank 4 at the moment, so that the module can be simply flushed. The solenoid valve cooperation PLC control circuit can be adopted during the use, thereby the flow direction of well water is adjusted to the switch through the circuit adjustment solenoid valve for the MBR module switches between operating condition and washing state, thereby when keeping the water treatment effect of MBR module, the life of extension MBR module.

In this embodiment, the inside on stirring pond 1 upper portion can be provided with annular play liquid groove 15, intercommunication in play liquid groove 15 bottom and the stirring pond 1, be provided with central section of thick bamboo 17 in the sedimentation tank 2, be provided with liquid channel 16 between play liquid groove 15 and the central section of thick bamboo 17.

Pending waste water and partial treating agent intensive mixing in stirring pond 1, coagulate, probably can write the floater on the liquid level in the mixing process, and probably can have more solid matter in the solid-liquid mixture under the liquid level, pass through liquid channel 16 for reducing the solid matter, realize the initial separation to the large granule component, set up drain tank 15, drain tank 15 bottom can be equipped with the aperture with stirring pond 1 intercommunication, on the one hand, the cell wall of drain tank 15 can keep apart the floater on liquid surface outside drain tank 15, on the other hand, drain tank 15 can reduce the disturbance of agitating unit to liquid in the drain tank 15 in the stirring pond of coagulating in 1, be favorable to reducing the large granule component and transfer to sedimentation tank 2.

In this embodiment, an aeration device can be arranged below the MBR module, the aeration device is connected with an air pump through a first air inlet pipe 10, the first air inlet pipe 10 is further connected with an air inlet of a spraying device 12 through a second air inlet pipe 11, and a liquid inlet of the spraying device 12 is connected with a reclaimed water recycling pool 4 through a first liquid inlet pipe 13.

An aeration device is arranged below the MBR module, and an air pump can be arranged on the first air inlet pipe 10 to provide an air source for the aeration device. Produce the raise dust very easily in the work progress, in order to reduce the influence of raise dust to operational environment, still set up atomizer 12, atomizer 12's inlet and reclaimed water retrieval and utilization pond 4 are connected, and the intake pipe is connected with the air pump, reduces the raise dust of environment with the reclaimed water of processing.

In this embodiment, an acceleration separation device may be disposed in the central cylinder 17, and the acceleration separation device includes a rotating shaft 19 driven by a motor and a rotating piece 20 disposed on the rotating shaft 19.

The width of the rotating sheet 20 is matched with the radius of the central cylinder 17, or a gap is left between the width of the rotating sheet and the inner wall of the central cylinder 17, so that solid-liquid separation is realized by the solid-liquid mixture under the driving of the rotating sheet 20, wherein the solid gradually approaches to the inner wall of the central cylinder 17 and then gradually slides downwards along the inner wall of the central cylinder 17, and the speed of the solid-liquid separation is accelerated.

Because the solid-liquid separation is carried out on the sewage by adopting the standing sedimentation mode in the prior art, but the efficiency of the gravity separation is lower, the same treatment capacity needs a larger sedimentation tank, and an accelerating separation device can be arranged in the central cylinder 17 for reducing the volume of the sedimentation tank, reducing the occupied area and improving the utilization efficiency of the land.

In this embodiment, a separation cylinder 21 may be disposed below the accelerated separation device, and a slurry channel may be disposed between the separation cylinder 21 and the central cylinder 17, as shown in fig. 2 to 3.

A separating cylinder 21 is arranged below the accelerating separation device, so that part of liquid with higher solid particle content gradually falls from the slurry channel, and sewage with lower solid content downwards flows from the central cylinder 17.

In this embodiment, a buffer member 22 may be disposed between the separation cylinder 21 and the acceleration separating apparatus, as shown in fig. 4 to 5.

The buffer member 22 plays a role in buffering and blocking, and the arrangement of the buffer member 22 can reduce the disturbance of the rotating sheet 20 to the sewage in the separation cylinder 21 or in the slurry channel, so that the settling efficiency is improved.

In this embodiment, the buffer member 22 may include a slurry guide ring 23 located at the periphery, a liquid phase guide portion 24 is disposed inside the slurry guide ring 23, and the slurry guide ring 23 is gradually inclined downward along the direction of increasing the diameter.

The guide ring can guide the sewage with a large particle content to the slurry channel, and the liquid phase guide part 24 actually plays a role of buffering, so that the flowing speed and the flowing direction of the liquid can be reduced, and the liquid can enter the separation cylinder 21 in a stable mode.

In this embodiment, the height of the liquid phase guiding portion 24 along the direction of diameter reduction may be first lowered and then raised, and a liquid phase through hole 25 is formed in the middle of the liquid phase guiding portion 24.

The liquid phase through hole 25 in the present embodiment is provided in the middle of the guide portion, preferably in the non-central portion; the liquid phase through hole 25 is arranged in the middle of the guide part to achieve the buffering effect, but if the rotating speed of the motor is too high, the rotating shaft 19 rotates too fast, so that the middle of the guide part generates suction, sewage in the isolation cylinder is sucked upwards, and the water body treatment speed is reduced.

In this embodiment, the bottom of the sedimentation tank 2 can be obliquely arranged, the lowest point of the sedimentation tank 2 is provided with a slurry output pipe 18, and the slurry output pipe 18 is provided with a fifth valve, so that sludge in the sedimentation tank 2 can be conveniently discharged.

The embodiment provides a construction wastewater recycling method, which is characterized in that construction wastewater is conveyed to a construction wastewater recycling device through a water conveying pipe, and recycled reclaimed water is obtained in a reclaimed water recycling pool 4.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. Construction waste water recycle device, its characterized in that: including stirring pond, sedimentation tank, MBR membrane cisterna and the reuse of reclaimed water pond that communicates in proper order, be provided with the MBR membrane group in the MBR membrane cisterna, the MBR module passes through first connecting pipe and reuse of reclaimed water pond intercommunication, be provided with the water pump on the first connecting pipe, one side that the water pump is close to the MBR module is provided with first valve, is close to one side in reuse of reclaimed water pond and is provided with the second valve, be provided with the second connecting pipe on the first connecting pipe between first valve and the MBR module, the second connecting pipe other end is connected on the first connecting pipe between water pump and the second valve, be connected with the third connecting pipe on the first connecting pipe between first valve and the water pump, the third connecting pipe other end and reuse of reclaimed water pond intercommunication.

2. The construction wastewater recycling device according to claim 1, characterized in that: the inner side of the upper part of the stirring pool is provided with an annular liquid outlet tank, the bottom of the liquid outlet tank is communicated with the inside of the stirring pool, a central cylinder is arranged in the sedimentation pool, and a liquid channel is arranged between the liquid outlet tank and the central cylinder.

3. The construction wastewater recycling device according to claim 1, characterized in that: an aeration device is arranged below the MBR module, the aeration device is connected with an air pump through a first air inlet pipe, the first air inlet pipe is connected with an air inlet of a spraying device through a second air inlet pipe, and a liquid inlet of the spraying device is connected with a reclaimed water recycling pool through a first liquid inlet pipe.

4. The construction wastewater recycling apparatus according to claim 2, characterized in that: an accelerating separation device is arranged in the central cylinder and comprises a rotating shaft driven by a motor and a rotating sheet arranged on the rotating shaft.

5. The construction wastewater recycling device according to claim 4, characterized in that: a separation cylinder is arranged below the acceleration separation device, and a slurry channel is arranged between the separation cylinder and the central cylinder.

6. The construction wastewater recycling device according to claim 5, characterized in that: and a buffer piece is arranged between the separation cylinder and the accelerating separation device.

7. The construction wastewater recycling device according to claim 6, characterized in that: the bolster is including being located mud guide ring all around, mud guide ring inboard is provided with liquid phase guide portion, mud guide ring inclines down gradually along the direction that the diameter increases.

8. The construction wastewater recycling apparatus according to claim 7, characterized in that: the liquid phase guide part is reduced in height and then raised along the direction of diameter reduction, and a liquid phase through hole is formed in the middle of the liquid phase guide part.

9. The construction wastewater recycling device according to claim 1, characterized in that: the sedimentation tank bottom sets up in the slope, and the sedimentation tank minimum is provided with the mud output tube, be provided with the fifth valve on the mud output tube.