CN215855557U

CN215855557U - Multifunctional sewage treatment device

Info

Publication number: CN215855557U
Application number: CN202023299384.1U
Authority: CN
Inventors: 许忠云; 许承尧
Original assignee: Zhejiang Shengteng Environment Engineering Co ltd
Current assignee: Zhejiang Shengteng Environment Engineering Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2022-02-18
Anticipated expiration: 2030-12-31

Abstract

A multifunctional sewage treatment device comprises a raw water tank, a pretreatment device, a sewage treatment device and a pure water tank, wherein the pretreatment device comprises a mechanical filter, an active carbon filter and a precision filter, a raw water pump is arranged in front of the mechanical filter, water in the raw water tank can be pumped into the mechanical filter, a high-pressure pump is arranged behind the precision filter, the water after the pretreatment can be pumped into the sewage treatment device for filtration, a pure water tank is arranged behind the mechanical filter, a pipeline connected with a water using point is arranged behind the pure water tank, the water is further sterilized by the pure water pump and an ultraviolet sterilizer arranged on the pipeline and then is discharged to the water using point, and the sewage treatment device comprises a nanofiltration filter, a reverse osmosis filter and an ultrafilter. The sewage treatment device is convenient to mount, dismount and maintain, can flexibly select the corresponding treatment device according to the sewage to be treated according to the actual requirement to treat the sewage according to the actual requirement, and has the advantages of high treatment efficiency, convenience, flexibility and the like.

Description

Multifunctional sewage treatment device

Technical Field

The utility model belongs to the technical field of sewage treatment, and particularly relates to a multifunctional sewage treatment device.

Background

China's per capita level of fresh water resources is at the end of the world, and along with shortage of water resources and aggravation of water pollution, a sewage recycling technology has the advantages of reducing water pollution and saving water, and is more and more emphasized by people, wherein an ultrafiltration membrane technology has high filtration precision, can effectively filter bacteria, impurities and the like in water, has good water quality after filtration and is well welcomed by the industry, the existing sewage treatment method comprises a physical precipitation method, a biodegradation method and the like, the existing sewage treatment equipment has a complex structure and is difficult to assemble and disassemble, the sewage treatment equipment is only provided with one of an ultrafiltration device, a reverse osmosis device and a nanofiltration device, when only one device is used for sewage treatment, the situation of insufficient treatment capacity can exist, when a plurality of devices are arranged on part of sewage treatment equipment, the treatment capacity of the sewage treatment equipment is greatly beyond the actual requirement, how to save resources and more flexibly treat sewage according to actual needs becomes a very troublesome problem.

Disclosure of Invention

The utility model aims to overcome the defects and provide a multifunctional sewage treatment device which is simple in structure, strong in sewage treatment capacity, convenient to assemble and disassemble and convenient to maintain and can flexibly treat sewage according to actual needs. The purpose of the utility model is achieved by the following technical scheme: the utility model provides a multi-functional sewage treatment plant, it includes the former water tank, preprocessing device, sewage treatment plant and the pure water case that connect gradually and constitutes, preprocessing device includes mechanical filter and active carbon filter and precision filter, mechanical filter's the place ahead is equipped with a raw water pump, can with the water suction in the former water tank to mechanical filter in, be equipped with a high-pressure pump at precision filter's rear, can filter the water suction sewage treatment plant after finishing the preliminary treatment, sewage treatment plant rear still is equipped with the pure water case, still is equipped with the pipeline of a connection water point at the rear of pure water case, further disinfects the back row to the water consumption department through ultraviolet sterilizer on pure water pump and the pipeline, sewage treatment plant comprises nanofiltration filter, reverse osmosis filter, ultrafilter.

Preferably, the method comprises the following steps: the device comprises a nanofiltration filter, a reverse osmosis filter and an ultrafilter, wherein the nanofiltration filter, the reverse osmosis filter and the ultrafilter are sequentially connected, a precision filter is connected in front of the nanofiltration filter, a pure water tank is connected behind the ultrafilter, a common cleaning device is respectively arranged on the right sides of the nanofiltration filter, the reverse osmosis filter and the ultrafilter, a reverse cleaning device with a chemical dosing device is further arranged on the other side of the ultrafilter, a pipeline is further arranged on one side of the reverse osmosis filter and connected with the pure water tank, two pipelines are arranged on one side of the nanofiltration filter, one pipeline is connected with the ultrafilter, and the other pipeline is connected with the pure water tank.

Preferably, the method comprises the following steps: the device comprises a nanofiltration filter, a reverse osmosis filter and an ultrafilter, wherein the nanofiltration filter, the reverse osmosis filter and the ultrafilter are arranged side by side, the upper parts of the nanofiltration filter, the reverse osmosis filter and the ultrafilter are respectively connected with a precision filter, the lower parts of the nanofiltration filter, the reverse osmosis filter and the ultrafilter are respectively connected with a pure water tank, cleaning devices are respectively connected among the nanofiltration filter, the reverse osmosis filter and the ultrafilter, and the ultrafilter is also provided with a reverse cleaning device.

Preferably, the method comprises the following steps: the cleaning device consists of a cleaning filter, a pipeline penetrating through the nanofiltration filter, the reverse osmosis filter and the ultrafilter, a cleaning pump and a cleaning water tank, wherein the pipeline forms a circulation among the nanofiltration filter, the reverse osmosis filter and the ultrafilter, the circulation is controlled by a valve, and finally, the waste water is discharged through a drainage pipeline at the bottom of the cleaning filter.

Preferably, the method comprises the following steps: the reverse cleaning device is composed of an ultrafilter, a pure water tank and a chemical adding device, wherein the chemical adding device is arranged on a pipeline between the ultrafilter and the pure water tank, a chemical adding valve is closed at ordinary times, water in the pure water tank is pumped into the ultrafilter through a backwashing pump, an ultrafiltration water inlet valve arranged behind the precision filter is closed, the chemical adding device valve is opened simultaneously to add chemicals and water, the water is discharged to a discharge port with an ultrafiltration reverse cleaning discharge valve arranged at the bottom of the ultrafilter after being cleaned back and forth in the two ultrafilters, a compressed air pipeline is further arranged at the bottom of the ultrafilter, an ultrafiltration air inlet valve is arranged on the pipeline, compressed air is introduced when a water source is emptied, the water is extruded, and the maintenance and the inspection can be conveniently carried out.

Preferably, the method comprises the following steps: the raw water tank, the pretreatment device, the sewage treatment device and the pure water tank are all independent treatment modules, and can be replaced in a mode of disassembling and assembling the modules.

The utility model has the advantages of simple structure, the raw water tank, the pretreatment device, the ultrafilter and the pure water tank are independent treatment modules, the installation module can be disassembled and assembled conveniently and maintained conveniently, the working efficiency can be effectively improved and the later maintenance cost can be saved.

Drawings

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

Fig. 2 is another schematic structural diagram of the present invention.

Detailed Description

As shown in fig. 1-2, the multifunctional sewage treatment device comprises a raw water tank 1, a pretreatment device 2, a sewage treatment device 3 and a pure water tank 4 which are connected in sequence, wherein the pretreatment device comprises a mechanical filter 5, an activated carbon filter 6 and a precision filter 7, a raw water pump 8 is arranged in front of the mechanical filter 5, water in the raw water tank 1 can be pumped into the mechanical filter 5, a high-pressure pump 9 is arranged behind the precision filter 7, water after pretreatment can be pumped into the sewage treatment device 3 for filtration, the pure water tank 4 is arranged behind the sewage treatment device 3, a pipeline 11 connected with a water consumption point 10 is arranged behind the pure water tank 4, water is further sterilized by the pure water pump 12 and an ultraviolet sterilizer 13 on the pipeline and then is discharged to the water consumption point 10, the sewage treatment device consists of a nanofiltration filter 14, a reverse osmosis filter 15 and an ultrafilter 16.

The device comprises a nanofiltration filter 14, a reverse osmosis filter 15 and an ultrafilter 16 which are sequentially connected, wherein a precision filter 7 is connected in front of the nanofiltration filter 14, a pure water tank 4 is connected behind the ultrafilter 16, a common cleaning device 17 is respectively arranged on the right sides of the nanofiltration filter 14, the reverse osmosis filter 15 and the ultrafilter 16, a reverse cleaning device 18 with a chemical dosing device 23 is further arranged on the other side of the ultrafilter, one side of the reverse osmosis filter 15 is further provided with a pipeline connected with the pure water tank 4, two pipelines are arranged on one side of the nanofiltration filter, one pipeline is connected with the ultrafilter 16, and the other pipeline is connected with the pure water tank 4.

The nanofiltration filter 14, the reverse osmosis filter 15 and the ultrafilter 16 are arranged side by side, the precision filter 7 is respectively connected above the nanofiltration filter 14, the reverse osmosis filter 15 and the ultrafilter 16, the pure water tank 4 is respectively connected below the precision filter, the cleaning devices 17 are respectively connected among the nanofiltration filter 14, the reverse osmosis filter 15 and the ultrafilter 16, and the ultrafilter is further provided with a reverse cleaning device 18.

The cleaning device 17 consists of a cleaning filter 21, a pipeline 30, a cleaning pump 19 and a cleaning water tank 20, wherein the pipeline 30 penetrates through the positions among the nanofiltration filter 14, the reverse osmosis filter 15 and the ultrafilter 16, a circulation is formed among the nanofiltration filter 14, the reverse osmosis filter 15 and the ultrafilter 16 through the pipeline 30, the circulation is controlled through a valve, and finally, the waste water is discharged through a drain pipe 22 at the bottom of the cleaning filter 21.

The back washing device 18 is composed of an ultrafilter 16, a pure water tank 4 and a chemical adding device 23, wherein the chemical adding device 23 is arranged on a pipeline between the ultrafilter 16 and the pure water tank 4, a chemical adding valve is closed at ordinary times, when water in the pure water tank is pumped into the ultrafilter 16 through a backwashing pump 24, an ultrafiltration water inlet valve arranged behind the precision filter 7 is closed, the chemical adding device valve is opened simultaneously for adding chemicals and adding water, after the water is washed back and forth in the ultrafilter 16, the water is discharged to a discharge port 26 with an ultrafiltration back washing discharge valve arranged at the bottom of the ultrafilter 16, a compressed air pipeline 27 is further arranged at the bottom of the ultrafilter 16, an ultrafiltration air inlet valve 28 is arranged on the pipeline, compressed air is introduced when a water source is emptied, the water can be extruded out, and maintenance can be facilitated. The raw water tank 1, the pretreatment device 2, the sewage treatment device 3 and the pure water tank 4 are all independent treatment modules and can be replaced by disassembling and assembling the modules.

Claims

1. The utility model provides a multi-functional sewage treatment plant, it includes the former water tank, preprocessing device, sewage treatment plant and the pure water case that connect gradually and constitutes, its characterized in that preprocessing device includes mechanical filter and active carbon filter and precision filter, mechanical filter's the place ahead is equipped with a raw water pump, can with the water suction in the former water tank to mechanical filter in, is equipped with a high-pressure pump at precision filter's rear, can filter the water suction sewage treatment plant after finishing the preliminary treatment, sewage treatment plant rear still is equipped with the pure water case, still is equipped with a pipeline of connecting water point at pure water case's rear, further disinfects the back through ultraviolet sterilizer on pure water pump and the pipeline and arranges water point department to the water point, sewage treatment plant comprises nanofiltration filter, reverse osmosis filter, ultrafilter.

2. The multifunctional sewage treatment device according to claim 1, wherein the nanofiltration filter, the reverse osmosis filter and the ultrafilter are connected in sequence, wherein the front of the nanofiltration filter is connected with the precision filter, the rear of the ultrafilter is connected with the pure water tank, the right sides of the nanofiltration filter, the reverse osmosis filter and the ultrafilter are respectively provided with a common cleaning device, the other side of the ultrafilter is also provided with a reverse cleaning device with a chemical dosing device, one side of the reverse osmosis filter is also provided with a pipeline connected with the pure water tank, one side of the nanofiltration filter is provided with two pipelines, one is connected with the ultrafilter, and the other is connected with the pure water tank.

3. The multifunctional sewage treatment device according to claim 1, wherein the nanofiltration filter, the reverse osmosis filter and the ultrafilter are arranged side by side, the nanofiltration filter, the reverse osmosis filter and the ultrafilter are respectively connected with the precision filter at the upper part thereof, the pure water tank is respectively connected at the lower part thereof, cleaning devices are respectively connected among the nanofiltration filter, the reverse osmosis filter and the ultrafilter, and the ultrafilter is further provided with a reverse cleaning device.

4. The multi-functional sewage treatment apparatus according to claim 2 or 3, wherein said cleaning means is composed of a cleaning filter and a pipe passing through between the nanofiltration filter, the reverse osmosis filter and the ultra-filter, a cleaning pump and a cleaning water tank, said pipe forming a circulation among the nanofiltration filter, the reverse osmosis filter and the ultra-filter, the circulation being controlled by a valve, and finally the waste water is discharged through a drain pipe at the bottom of the cleaning filter.

5. The multifunctional sewage treatment device according to claim 2 or 3 wherein the backwashing device is comprised of an ultrafilter, a pure water tank, and a chemical feeder installed in a pipe between the ultrafilter and the pure water tank, the chemical feeder being closed at ordinary times, when water in the pure water tank is pumped into the ultrafilter by a backwash pump, an ultrafiltration water inlet valve installed behind the ultrafilter is closed, and the chemical feeder valve is opened to feed and feed water simultaneously, and water is discharged to a discharge port with an ultrafiltration backwashing discharge valve installed at the bottom of the ultrafilter after being cleaned back and forth in the two ultrafilters, the bottom of the ultrafilter is further provided with a compressed air pipe, and an ultrafiltration air inlet valve is installed on the pipe, and compressed air is introduced when water source is emptied to allow the water to be checked out, thereby facilitating maintenance.

6. The multi-functional sewage treatment apparatus according to claim 1, wherein the raw water tank, the pretreatment apparatus, the sewage treatment apparatus and the pure water tank are all separate treatment modules, and can be replaced by disassembling and assembling the modules.