CN214051173U

CN214051173U - Novel ultrafiltration device

Info

Publication number: CN214051173U
Application number: CN202022466745.0U
Authority: CN
Inventors: 何建涛; 蒋俊荣; 张宝君; 陆俊俊
Original assignee: Huaneng Jiangyin Gas Turbine Thermal Power Co ltd
Current assignee: Huaneng Jiangyin Gas Turbine Thermal Power Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-08-27
Anticipated expiration: 2030-10-30

Abstract

The utility model provides a novel ultrafiltration device, including ultrafiltration inlet channel, milipore filter device, ultrafiltration product water pipeling and ultrafiltration backwash inlet channel. The utility model effectively reduces the impact of large water quantity backwashing on the ultrafiltration device and prolongs the service life of the ultrafiltration membrane; the water distribution of the ultrafiltration device is improved, so that the water distribution of ultrafiltration backwashing is uniform, the ultrafiltration cleaning time is prolonged, the medicine consumption is reduced, and the environmental protection benefit is remarkable; can be directly improved on the basis of the prior ultrafiltration device, has low modification cost and is suitable for popularization.

Description

Novel ultrafiltration device

Technical Field

The utility model belongs to the splitter field, concretely relates to novel ultrafiltration device.

Background

The ultrafiltration device is a pressurized membrane separation technology, i.e. under a certain pressure, small molecules and solvent pass through a special membrane with a certain aperture, so that macromolecular solute cannot permeate through the membrane and is left on one side of the membrane, thereby partially purifying macromolecular substances. Because the ultrafiltration device has the characteristics of high integration degree, compact structure, small occupied area, simple and convenient operation and maintenance, low labor intensity of workers and the like, the ultrafiltration membrane is frequently used as pretreatment in the prior water treatment process.

Because large-scale milipore filter backwash flow is big, according to a backwash water inlet ultrafiltration device in the past, can appear water yield distribution unbalance scheduling problem, lead to some single milipore filter backwash water yield excessive, some backwash water yield is not enough, influences the life of ultrafiltration quality and milipore filter.

Therefore, it is an urgent problem for those skilled in the art to develop an ultrafiltration apparatus capable of ensuring ultrafiltration quality and service life of an ultrafiltration membrane.

Disclosure of Invention

In order to solve the problem, the utility model discloses a novel ultrafiltration device.

In order to achieve the above object, the utility model provides a following technical scheme:

a novel ultrafiltration device comprises an ultrafiltration water inlet pipeline, an ultrafiltration membrane device, an ultrafiltration water production pipeline and an ultrafiltration backwashing water inlet pipeline; the ultrafiltration membrane device comprises an A group of ultrafiltration devices and a B group of ultrafiltration devices which are arranged in parallel; the ultrafiltration water inlet pipeline is connected to inlets of the group A ultrafiltration devices and the group B ultrafiltration devices through an upper water inlet valve and a lower water inlet valve respectively, and outlets of the group A ultrafiltration devices and the group B ultrafiltration devices are connected with a sewage discharge pipeline simultaneously; a drain valve is arranged on the drain pipeline in a matching way; the ultrafiltration water production pipeline is respectively connected to the ultrafiltration outlets of the group A of ultrafiltration devices and the group B of ultrafiltration devices through a water production valve; and the ultrafiltration backwashing water inlet pipeline is respectively connected to the ultrafiltration outlets of the group A of ultrafiltration devices and the group B of ultrafiltration devices through a backwashing water inlet valve. Furthermore, the backwashing water inlet valve comprises a backwashing water inlet main valve, a group A backwashing water inlet valve and a group B backwashing water inlet valve; and a backwashing water inlet main valve is arranged on the ultrafiltration backwashing water inlet pipeline in a matching way and is connected to the ultrafiltration outlets of the group A of ultrafiltration devices and the group B of ultrafiltration devices through the group A backwashing water inlet valve and the group B backwashing water inlet valve respectively.

Furthermore, the ultrafiltration outlets of the ultrafiltration devices of the group A and the ultrafiltration devices of the group B are also connected into a backwashing drainage tank through a backwashing drainage pipeline.

Furthermore, a backwashing upper water discharge valve is arranged at one end of the backwashing drainage pipeline connected with the group A of ultrafiltration devices in a matched mode, and a backwashing lower water discharge valve is arranged at one end of the backwashing drainage pipeline connected with the group B of ultrafiltration devices in a matched mode.

Compared with the prior art, the utility model, following beneficial effect has:

1. the impact of large-water-volume backwashing on the ultrafiltration device is effectively reduced, and the service life of the ultrafiltration membrane is prolonged;

2. the water distribution of the ultrafiltration device is improved, so that the water distribution of ultrafiltration backwashing is uniform, the ultrafiltration cleaning time is prolonged, the medicine consumption is reduced, and the environmental protection benefit is remarkable;

3. can be directly improved on the basis of the prior ultrafiltration device, has low modification cost and is suitable for popularization.

Drawings

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

List of reference numerals: the system comprises an upper water inlet valve 1, a lower water inlet valve 2, an ultrafiltration membrane device 3, a water production valve 4, a backwashing water inlet main valve 5, a backwashing water inlet valve 6A, a backwashing water inlet valve 7B, a backwashing water outlet valve 8, a backwashing water outlet valve 9, a blowdown valve 10 and a backwashing water outlet tank 11.

Detailed Description

The technical solutions provided by the present invention will be described in detail with reference to specific embodiments, and it should be understood that the following specific embodiments are only used for illustrating the present invention and are not used for limiting the scope of the present invention.

The utility model discloses a structure schematic diagram, as shown in fig. 1, the utility model relates to a novel ultrafiltration device, including ultrafiltration inlet channel, milipore filter device 3, ultrafiltration product water pipeling and ultrafiltration backwash inlet channel.

The ultrafiltration membrane device 3 comprises a group A of ultrafiltration devices and a group B of ultrafiltration devices which are arranged in parallel; the ultrafiltration water inlet pipeline is respectively connected to inlets of the group A ultrafiltration devices and the group B ultrafiltration devices through an upper water inlet valve 1 and a lower water inlet valve 2, and outlets of the group A ultrafiltration devices and the group B ultrafiltration devices are simultaneously connected with a sewage discharge pipeline; a blowdown valve 10 is arranged on the blowdown pipeline in a matching way.

The ultrafiltration water production pipeline is respectively connected to the ultrafiltration outlets of the group A of ultrafiltration devices and the group B of ultrafiltration devices through a water production valve 4.

The ultrafiltration backwashing water inlet pipeline is respectively connected to the ultrafiltration outlets of the group A ultrafiltration device and the group B ultrafiltration device through a backwashing water inlet valve, and the backwashing water inlet valve comprises a backwashing water inlet main valve 5, a group A backwashing water inlet valve 6 and a group B backwashing water inlet valve 7; and a backwashing water inlet main valve 5 is installed on the ultrafiltration backwashing water inlet pipeline in a matching way and is respectively connected to the ultrafiltration outlets of the group A ultrafiltration device and the group B ultrafiltration device through a group A backwashing water inlet valve 6 and a group B backwashing water inlet valve 7.

The ultrafiltration outlets of the group A ultrafiltration device and the group B ultrafiltration device are connected to a backwashing water drainage tank 11 through backwashing water drainage pipes, the backwashing water drainage pipes are matched with one end, connected with the group A ultrafiltration device, of each backwashing water drainage pipe and provided with a backwashing upper water drainage valve 8, and the backwashing water drainage pipes are matched with one end, connected with the group B ultrafiltration device, of each backwashing water drainage pipe and provided with a backwashing lower water drainage valve 9.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that those modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all should be covered in the scope of the claims of the present invention.

Claims

1. A novel ultrafiltration device is characterized in that: comprises an ultrafiltration water inlet pipeline, an ultrafiltration membrane device, an ultrafiltration water production pipeline and an ultrafiltration backwashing water inlet pipeline; the ultrafiltration membrane device comprises a group A of ultrafiltration devices and a group B of ultrafiltration devices which are arranged in parallel; the ultrafiltration water inlet pipeline is connected to inlets of the group A ultrafiltration devices and the group B ultrafiltration devices through an upper water inlet valve and a lower water inlet valve respectively, and outlets of the group A ultrafiltration devices and the group B ultrafiltration devices are connected with a sewage discharge pipeline simultaneously; a drain valve is arranged on the drain pipeline in a matching way; the ultrafiltration water production pipeline is respectively connected to the ultrafiltration outlets of the group A of ultrafiltration devices and the group B of ultrafiltration devices through a water production valve; and the ultrafiltration backwashing water inlet pipeline is respectively connected to the ultrafiltration outlets of the group A of ultrafiltration devices and the group B of ultrafiltration devices through a backwashing water inlet valve.

2. A novel ultrafiltration device according to claim 1 wherein: the backwashing water inlet valve comprises a backwashing water inlet main valve, a group A backwashing water inlet valve and a group B backwashing water inlet valve; and a backwashing water inlet main valve is arranged on the ultrafiltration backwashing water inlet pipeline in a matching way and is connected to ultrafiltration outlets of the group A of ultrafiltration devices and the group B of ultrafiltration devices through the group A backwashing water inlet valve and the group B backwashing water inlet valve respectively.

3. A novel ultrafiltration device according to claim 1 wherein: and the ultrafiltration outlets of the group A ultrafiltration device and the group B ultrafiltration device are also connected into the backwashing drainage tank through a backwashing drainage pipeline.

4. A novel ultrafiltration device according to claim 3 wherein: and the backwashing drainage pipeline is matched with one end of the A group of ultrafiltration devices to be provided with a backwashing upper drainage valve, and the backwashing drainage pipeline is matched with one end of the B group of ultrafiltration devices to be provided with a backwashing lower drainage valve.