CN217148908U

CN217148908U - Water treatment regeneration recycling system based on MBR-NF technology

Info

Publication number: CN217148908U
Application number: CN202220837175.8U
Authority: CN
Inventors: 刘观旺; 兰华根
Original assignee: Fujian Zhongke Hongye Chemical Technology Co ltd
Current assignee: Fujian Zhongke Hongye Chemical Technology Co ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-08-09
Anticipated expiration: 2032-04-12

Abstract

The utility model provides a water treatment regeneration recycling system based on MBR-NF technology relates to water treatment facilities technical field, has solved current MBR-NF processing system, and water treatment inefficiency, the not good problem of treatment effect. The utility model discloses a MBR membrane group, agitator tank, dosing tank, NF sodium filter membrane group, the end of intaking of MBR membrane group and raw water intercommunication, MBR membrane group, agitator tank, NF sodium filter membrane group loop through the aqueduct intercommunication, the agitator tank upper end is provided with agitator motor, the end of intaking of agitator tank has the dosing tank through aqueduct still intercommunication, the bottom of agitator tank is provided with and is used for carrying out the heater that heats to the water in the agitator tank. The utility model has the advantages that: the device is provided with an MBR membrane group, a stirring box, a dosing box and an NF sodium filter membrane group, and can carry out multistage filtration and treatment on water; the reaction speed in the stirring box can be accelerated by heating through the heater, the efficiency is improved, and meanwhile, sterilization is carried out through heating.

Description

Water treatment regeneration recycling system based on MBR-NF technology

Technical Field

The utility model relates to a water treatment facilities technical field, concretely relates to water treatment regeneration recycling system based on MBR-NF technology.

Background

The organic carbonate is a chemical with wide application, and has wide application in chemical industry, pharmacy and the like. Mainly including Propylene Carbonate (PC), dimethyl carbonate (DMC), diethyl carbonate (DEC), diphenyl carbonate (DPC) and the like, and these carbonates have been widely used in the fields of organic synthesis, pharmaceutical synthesis, engineering plastics, green additives, detergents for color television picture tubes and the like because of the active carbonyl group contained in the carbonate molecule, and recently, they have been gaining increasing popularity among researchers at home and abroad.

In the products related to the production of the organic carbonate, a large amount of water is usually generated, the water needs to be treated, the environment is polluted by direct emission, water resources are wasted, the water needs to be treated for recycling, an MBR-NF process is widely applied to water treatment, and the conventional MBR-NF process system has low water treatment efficiency and poor treatment effect.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at is low to current MBR-NF process systems, water treatment effeciency, the not good problem of treatment effect. The water treatment regeneration and reuse system based on the MBR-NF process is provided, and can be provided with an MBR membrane group, a stirring box, a dosing box and an NF sodium filter membrane group, so that water can be filtered and treated in multiple stages, and the water treatment effect is better; the reaction speed in the agitator tank can be accelerated through being provided with the heater heating, raise the efficiency, disinfect through the heating simultaneously, be provided with the concentration monitor at NF nanofiltration membrane group delivery port, can monitor the water that discharges, carry out processing filtration again with the water that does not conform to, up to discharging the retrieval and utilization, guaranteed the effect of handling.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

MBR-NF technology-based water treatment regeneration recycling system is characterized in that: it includes MBR membrane group, agitator tank, dosing tank, NF sodium filter membrane group, the end of intaking of MBR membrane group and raw water intercommunication, MBR membrane group, agitator tank, NF sodium filter membrane group loop through the aqueduct intercommunication, the agitator tank upper end is provided with agitator motor, agitator motor's output shaft has the (mixing) shaft, the (mixing) shaft stretches into in the agitator tank, be provided with a plurality of stirring leaf on the (mixing) shaft, the end of intaking of agitator tank has the dosing tank through aqueduct still intercommunication, the bottom of agitator tank is provided with the heater that is used for carrying out the heating to the water in the agitator tank, the intercommunication has first water pump between MBR membrane group and the agitator tank, the intercommunication has the second water pump between agitator tank and the NF sodium filter membrane group, the play water end of NF sodium filter membrane group is still communicateing the end of intaking of MBR membrane group.

The further improvement is that: the MBR membrane group comprises a biochemical reaction tank and an MBR membrane module immersed in the biochemical reaction tank, the MBR membrane module is communicated with an MBR water outlet pipe and a flushing air pipe through a PE plastic pipe, and the MBR water outlet pipe is communicated with a first water pump.

The further improvement is that: the NF nanofiltration membrane group includes three nanofiltration membrane units that connect in parallel, the play water end of nanofiltration membrane unit is provided with three-way valve and concentration monitor, the play water end of nanofiltration membrane unit divide into clear water export and backward flow mouthful, be provided with the flowmeter in the clear water export, be provided with the governing valve on the backward flow mouthful, backward flow mouthful intercommunication MBR membrane group's the end of intaking.

The further improvement is that: and a pressure monitor is arranged on the water inlet end of the NF sodium filter membrane group.

The further improvement is that: the aperture of a microfiltration membrane or an ultrafiltration membrane adopted by the MBR membrane group is 0.1-0.4 micron.

The further improvement is that: the aperture of the nanofiltration membrane adopted by the NF sodium filtration membrane group is 0.5-5 nanometers.

The further improvement is that: a water valve is arranged on the water guide pipe.

After adopting above-mentioned technical scheme, compare in prior art and have following beneficial effect:

the MBR membrane group, the stirring box, the dosing box and the NF sodium filter membrane group are arranged, so that multi-stage filtration and treatment can be performed on water, and the water treatment effect is better; the reaction speed in the agitator tank can be accelerated through being provided with the heater heating, raise the efficiency, disinfect through the heating simultaneously, be provided with the concentration monitor at NF nanofiltration membrane group delivery port, can monitor the water that discharges, carry out processing filtration again with the water that does not conform to, up to discharging the retrieval and utilization, guaranteed the effect of handling.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural diagram of the stirring box 3 in the present invention;

FIG. 3 is a schematic structural diagram of the NF membrane group 7 of the present invention;

fig. 4 is a schematic structural diagram of the MBR membrane module of the present invention.

Description of reference numerals: the device comprises an MBR membrane group 1, a first water pump 2, a stirring tank 3, a heater 4, a dosing tank 5, a stirring motor 6, an NF nanofiltration membrane group 7, a water valve 8, a second water pump 9, a stirring water inlet pipe 31, a medicine inlet pipe 32, a stirring water outlet pipe 33, a stirring shaft 61, a stirring blade 62, a nanofiltration membrane unit 71, a flow meter 72, a three-way valve 73, a regulating valve 74, a concentration monitor 75, a pressure monitor 76, a biochemical reaction tank 11, a PE plastic pipe 12, an MBR water outlet pipe 13, a flushing air pipe 14 and an MBR 15.

Detailed Description

Referring to fig. 1 to 4, the technical solution adopted by the present embodiment is: water treatment regeneration recycling system based on MBR-NF technology, its characterized in that: the device comprises an MBR membrane group 1, a stirring box 3, a dosing box 5 and an NF sodium filter membrane group 7, wherein the water inlet end of the MBR membrane group 1 is communicated with raw water, the MBR membrane group 1, the stirring box 3 and the NF sodium filter membrane group 7 are communicated through a water guide pipe in turn, the upper end of the stirring box 3 is provided with a stirring motor 6, the output shaft of the stirring motor 6 is connected with a stirring shaft 61, the stirring shaft 61 extends into the stirring box 3, a plurality of stirring blades 62 are arranged on the stirring shaft 61, the water inlet end of the stirring box 3 is also communicated with a dosing box 5 through a water guide pipe, the bottom of the stirring box 3 is provided with a heater 4 for heating the water in the stirring box 3, the water-saving device is characterized in that a first water pump 2 is communicated between the MBR membrane group 1 and the stirring box 3, a second water pump 9 is communicated between the stirring box 3 and the NF nanofiltration membrane group 7, and the water outlet end of the NF nanofiltration membrane group 7 is also communicated with the water inlet end of the MBR membrane group 1.

The MBR membrane group 1 comprises a biochemical reaction tank 11 and an MBR membrane module 15 immersed in the biochemical reaction tank 11, wherein the MBR membrane module 15 is communicated with an MBR water outlet pipe 13 and a flushing air pipe 14 through a PE plastic pipe 12, and the MBR water outlet pipe 13 is communicated with a first water pump 2.

Wherein, aerobic tank mixed liquor is arranged in the biochemical reaction tank 11.

The NF nanofiltration membrane group 7 comprises three nanofiltration membrane units 71 connected in parallel, the water outlet end of each nanofiltration membrane unit 71 is provided with a three-way valve 73 and a concentration monitor 75, the water outlet end of each nanofiltration membrane unit 71 is divided into a clear water outlet and a backflow port, a flow meter 72 is arranged on the clear water outlet, an adjusting valve 74 is arranged on the backflow port, and the backflow port is communicated with the water inlet end of the MBR membrane group 1.

Wherein, a pressure monitor 76 is arranged on the water inlet end of the NF sodium filter membrane module 7.

Wherein the aperture of the microfiltration membrane or the ultrafiltration membrane adopted by the MBR membrane group 1 is 0.1-0.4 micron.

Wherein the NF sodium filter membrane group 7 adopts a nanofiltration membrane with the aperture of 0.5-5 nanometers.

Wherein, a water valve 8 is arranged on the water guide pipe.

The utility model discloses a theory of operation: during the use, the raw water carries out elementary filtration through getting into the MBR membrane group earlier, react the raw water through the reaction tank, the filth of following reaction is held back by the MBR membrane module, the clear water is extracted through first water pump, send into the agitator tank, add the medicine through the dosing tank, stir afterwards and make water and medicament react, get rid of the useless element of aquatic, heating through the heater can accelerate reaction rate, raise the efficiency, disinfect through the heating, later extract through the second water pump, send into NF sodium filter membrane group, filter treatment through the sodium filter membrane unit, chromogenic substance and other granule are held back by the nanofiltration membrane, monitor through the concentration monitor afterwards, the emission that accords with the requirement, nonconforming flows to the MBR membrane group and carries out filtration treatment once more, until according with emission standard.

Having shown and described the basic principles and essential features of the invention and its advantages, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention, all of which are intended to be covered by the appended claims and their equivalents. The details of the present invention are well known to those skilled in the art.

Claims

1. MBR-NF technology-based water treatment regeneration recycling system is characterized in that: it includes MBR membrane group, agitator tank, dosing tank, NF sodium filter membrane group, the end of intaking of MBR membrane group and raw water intercommunication, MBR membrane group, agitator tank, NF sodium filter membrane group loop through the aqueduct intercommunication, the agitator tank upper end is provided with agitator motor, agitator motor's output shaft has the (mixing) shaft, the (mixing) shaft stretches into in the agitator tank, be provided with a plurality of stirring leaf on the (mixing) shaft, the end of intaking of agitator tank has the dosing tank through aqueduct still intercommunication, the bottom of agitator tank is provided with the heater that is used for carrying out the heating to the water in the agitator tank, the intercommunication has first water pump between MBR membrane group and the agitator tank, the intercommunication has the second water pump between agitator tank and the NF sodium filter membrane group, the play water end of NF sodium filter membrane group is still communicateing the end of intaking of MBR membrane group.

2. The MBR-NF process-based water treatment, regeneration and reuse system according to claim 1, wherein: the MBR membrane group comprises a biochemical reaction tank and an MBR membrane module immersed in the biochemical reaction tank, the MBR membrane module is communicated with an MBR water outlet pipe and a flushing air pipe through a PE plastic pipe, and the MBR water outlet pipe is communicated with a first water pump.

3. The MBR-NF process-based water treatment, regeneration and reuse system according to claim 1, wherein: the NF nanofiltration membrane group includes three nanofiltration membrane units that connect in parallel, the play water end of nanofiltration membrane unit is provided with three-way valve and concentration monitor, the play water end of nanofiltration membrane unit divide into clear water export and backward flow mouthful, be provided with the flowmeter in the clear water export, be provided with the governing valve on the backward flow mouthful, backward flow mouthful intercommunication MBR membrane group's the end of intaking.

4. The MBR-NF process-based water treatment, regeneration and reuse system according to claim 3, wherein: and a pressure monitor is arranged on the water inlet end of the NF sodium filter membrane group.

5. The MBR-NF process-based water treatment, regeneration and reuse system according to claim 1, wherein: the aperture of a microfiltration membrane or an ultrafiltration membrane adopted by the MBR membrane group is 0.1-0.4 micron.

6. The MBR-NF process-based water treatment, regeneration and reuse system according to claim 1, wherein: the aperture of the nanofiltration membrane adopted by the NF sodium filtration membrane group is 0.5-5 nanometers.

7. The MBR-NF process-based water treatment, regeneration and reuse system according to claim 1, wherein: a water valve is arranged on the water guide pipe.