CN216149442U

CN216149442U - Ultrafiltration system

Info

Publication number: CN216149442U
Application number: CN202122150722.3U
Authority: CN
Inventors: 马明
Original assignee: Shenyang Shuirun Technology Co ltd
Current assignee: Shenyang Shuirun Technology Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-04-01
Anticipated expiration: 2031-09-07

Abstract

The utility model relates to the technical field of water purifying devices, in particular to an ultrafiltration system which comprises a plurality of membrane components, wherein each membrane component comprises four through ports, namely a top port, a bottom port, an upper side port and a lower side port, each port is connected with one another in parallel, the top ports of the membrane components are connected in parallel to form a total top port, the bottom ports of the membrane components are connected in parallel to form a total bottom port, the upper side ports of the membrane components are connected in parallel to form a total upper side port, and the lower side ports of the membrane components are connected in parallel to form a total lower side port; this system can realize automatic water, self-cleaning of producing, after the water procedure is accomplished, can directly wash just, arrange on the backwash, the backwash is arranged down, strengthens the backwash, carries out the medicine to it and washes, finally makes entire system obtain comprehensive clearance through the gas washing, obtains clean system, can produce water once more for groundwater can reach optimum drinking water degree.

Description

Ultrafiltration system

Technical Field

The utility model relates to the technical field of water purifying devices, in particular to an ultrafiltration system.

Background

Water treatment: underground water is treated by an ultrafiltration system to reach the drinking standard, and is generally treated by a membrane component, wherein the membrane component is a hollow fiber ultrafiltration membrane, the surface of the membrane can be covered by particulate matters and microorganism slime after the membrane component is used for a period of time, and the blocked flux of micropores is reduced. In the case of a membrane module being clogged, the filtration performance of the membrane module is lost and the membrane module needs to be cleaned, however, each time the membrane module is disassembled, the cleaning is too troublesome, and the construction period is delayed.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides an ultrafiltration system, which solves the problems of the prior art.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

the ultrafiltration system comprises a plurality of membrane components, wherein each membrane component comprises four through ports, namely a top port, a bottom port, an upper side port and a lower side port, the ports of the membrane components are mutually connected in parallel to form a membrane component group, the ports are mutually connected in parallel in a mode that the top ports of the membrane components are connected in parallel to form a total top port, the bottom ports of the membrane components are connected in parallel to form a total bottom port, the upper side ports of the membrane components are connected in parallel to form a total upper side port, and the lower side ports of the membrane components are connected in parallel to form a total lower side port;

the total top port is connected with an upper discharge valve and a concentrated water automatic valve in parallel, the total upper side port is connected with a water production valve and a backwashing water inlet valve in parallel, the total lower side port is connected with a water automatic valve and a lower discharge valve in parallel, and the total bottom port is connected with an air inlet valve, a gas pressure regulating valve filter and a compressed air inlet in sequence.

The upper port of the main body can also be connected with a water production straight discharge port.

One end of the backwashing water inlet valve is connected with the general upper side port, and the other end of the backwashing water inlet valve is connected with the backwashing water inlet and the reinforced backwashing medicine box in parallel.

One end of the concentrated water automatic valve is connected with the main top port, and the other end of the concentrated water automatic valve is connected with the concentrated water regulating valve.

And one end of the water production valve is connected with the upper side port, and the other end of the water production valve is connected with a water production outlet through a water production sampling valve.

The lower port of the main body can be connected with a CIP water inlet valve in parallel, and the top port of the main body can be connected with a CIP water outlet valve in parallel.

The general lower side port can be connected with a CIP water inlet valve in parallel, and the general upper side port can be connected with a CIP water outlet valve in parallel.

The water inlet end of the water inlet automatic valve can be connected with a raw water pump.

Advantageous effects

The utility model provides an ultrafiltration system. The method has the following beneficial effects: this system can realize self-cleaning, after producing the water procedure and accomplishing, can directly just wash, arranges on the backwash, and the backwash is arranged down, is strengthening the backwash in the process, carries out the medicine to it and washes, finally makes entire system obtain comprehensive clearance through the gas washing, obtains clean system, can produce water once more for groundwater can reach optimum drinking water degree.

Drawings

FIG. 1 is a schematic diagram of the ultrafiltration system of the present invention.

In the figure: 1. a membrane module; 2. a filter; 3. strengthening a backwashing medicine chest; 4. AV01 automatic water inlet valve; AV02, water production valve; AV03, thick water automatic valve; AV04, backwash water inlet valve; AV05, upper bleed valve; AV06, lower discharge valve; AV07, intake valve; AV08, a produced water straight discharge port; v01, a water inlet valve; v02, a water outlet valve; RV01, gas pressure regulating valve; DV01, a concentrated water regulating valve; SV01, produced water sampling valve.

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.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through a wire, and an appropriate controller and an appropriate encoder should be selected according to actual conditions to meet control requirements, and specific connection and control sequences should be obtained.

Example (b): as can be seen from the attached drawings in the specification, the membrane component adopted in the scheme is Dow 2860,

example one

The ultrafiltration system comprises a plurality of membrane components 1, each membrane component comprises four through ports which are respectively a top port, a bottom port, an upper side port and a lower side port, the ports of the membrane components are mutually connected in parallel to form a membrane component group, the ports are mutually connected in parallel in a mode that the top ports of the membrane components are connected in parallel to form a total top port, the bottom ports of the membrane components are connected in parallel to form a total bottom port, the upper side ports of the membrane components are connected in parallel to form a total upper side port, and the lower side ports of the membrane components are connected in parallel to form a total lower side port; the main top port is connected with an upper discharge valve AV05 and a concentrated water automatic valve AV03 in parallel, the other end of a concentrated water automatic valve AV03 is connected with a concentrated water regulating valve DV01, the main upper port is connected with a water production valve AV02 and a backwashing water inlet valve AV04 in parallel, the other end of a water production valve AV02 is connected with a water production outlet through a water production sampling valve SV01, the other end of a backwashing water inlet valve AV04 is connected with a backwashing water inlet and a reinforced backwashing medicine box 3 in parallel, the main lower port is connected with a water inlet automatic valve AV01 and a lower discharge valve AV06 in parallel, the water inlet end of a water inlet automatic valve AV01 is connected with a raw water pump, and the main bottom port is connected with an air inlet valve AV07, a gas pressure regulating valve RV01 filter 2 and a compressed air inlet in sequence.

The operation process comprises the following steps: 1. the water production period of the water production ultrafiltration is generally set to be 20-60 minutes, the water inlet automatic valve AV01, the water production valve AV02, the concentrated water automatic valve AV03 and the concentrated water regulating valve DV01 are firstly opened during water production, and the raw water pump is started after 3-5 seconds of delay. Meanwhile, the concentrated water regulating valve DV01 can be regulated to regulate the system pressure, the water yield and the recovery rate. And (3) when the water production is finished, the raw water pump is closed, and the automatic valve is closed after 3-5 seconds of delay to prevent water hammer.

2. The forward washing is that raw water or water with quality higher than that of the raw water is pressurized by a raw water pump and is input from the water inlet side of the membrane module to the concentrated water side. The system is subjected to forward washing once before starting up, stopping down and after reverse washing, and the forward washing duration is generally 1 minute. During normal washing, the automatic water inlet valve AV01 and the upper discharge valve AV05 are started, and the raw water pump is started after 3-5 seconds of delay. And (3) closing the raw water pump when the forward washing is finished, and closing the water inlet automatic valve AV01 after 3-5 seconds of delay to prevent water hammer.

3. When backwashing, upward-discharging backwashing and upward-discharging, firstly, a backwashing water inlet valve AV04 and an upward-discharging valve AV05 are opened, and after 3-5 seconds of delay, a reverse water pump is opened. And (3) when backwashing is finished, the backwashing pump is closed, and the automatic valve is closed after 3-5 seconds of delay so as to prevent water hammer.

4. When backwashing lower-discharge, firstly, a backwashing water inlet valve AV04 and a lower-discharge valve AV06 are opened, and after 3-5 seconds of delay, a reverse water pump is opened. And (3) when backwashing is finished, the backwashing pump is closed, and the automatic valve is closed after 3-5 seconds of delay so as to prevent water hammer.

5. And (3) reinforcing backwashing and reinforcing backwashing: the method comprises the steps that backwashing and forward washing are required to be carried out before reinforced backwashing, the backwashing and forward washing time is the same as that of normal operation, a backwashing water inlet valve AV04 and an upper discharge valve AV05 are opened, then a backwashing pump and a metering pump operate simultaneously, medicine adding is carried out, the medicine adding time is not less than 40S, all valves are closed, liquid medicine soaking is carried out, the soaking time is 5-10 min, backwashing is not less than 60S in an upper discharge mode, backwashing is not less than 60S in a lower discharge mode, forward washing is not less than 1min in a forward discharge mode, and finally second medicine soaking is carried out or production operation state returning is carried out.

6. The air washing is to wash away the dirt on the surface of the hollow fiber membrane yarn by using the turbulent power generated when the compressed air is mixed with water and the friction force generated when the air bubbles wash the surface of the hollow fiber membrane yarn. During air washing, the upper exhaust valve AV05 is firstly opened, and the air inlet valve AV07 is slowly opened after 3-5 seconds of delay.

Example two

The difference from the first embodiment is that when the individual end finds that the system is in problem and needs to be cleaned, the back-up system CIP inlet valve V01 and CIP outlet valve V02 are opened for treatment.

EXAMPLE III

The difference from the first embodiment is that before each start-up, the water inlet automatic valve AV01 and the water production direct discharge port AV08 are opened. Pre-draining, and flushing out residual water in the original pipeline.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The ultrafiltration system comprises a plurality of membrane modules (1), and is characterized in that each membrane module comprises four through ports, namely a top port, a bottom port, an upper side port and a lower side port, wherein the ports of the membrane modules are mutually connected in parallel to form a membrane module group; the main top port is connected with an upper discharge valve (AV05) and a concentrated water automatic valve (AV03) in parallel, the main upper port is connected with a water production valve (AV02) and a backwashing water inlet valve (AV04) in parallel, the main lower port is connected with a water automatic valve (AV01) and a lower discharge valve (AV06) in parallel, and the main bottom port is connected with an air inlet valve (AV07), a gas pressure regulating valve (RV01), a filter (2) and a compressed air inlet in sequence.

2. Ultrafiltration system according to claim 1, characterized in that the total upper side port is also connected to a water production straight discharge (AV 08).

3. The ultrafiltration system of claim 1, wherein the backwash water inlet valve (AV04) is connected at one end to the total upper port and at the other end to the backwash water inlet and the enhanced backwash tank (3).

4. Ultrafiltration system according to claim 1, characterized in that the concentrate automatic valve (AV03) is connected to the main top port at one end and to the concentrate regulating valve (DV01) at the other end.

5. Ultrafiltration system according to claim 1, characterized in that the water production valve (AV02) is connected to the general upper side port at one end and to the water production outlet via a water production sampling valve (SV01) at the other end.

6. Ultrafiltration system according to claim 1, wherein the main lower port is further connectable in parallel to a CIP inlet valve (V01) and the main upper port is further connectable in parallel to a CIP outlet valve (V02).

7. Ultrafiltration system according to claim 1, wherein the main lower port is further connected in parallel with a CIP inlet valve (V01) and the main upper port is further connected in parallel with a CIP outlet valve (V02).

8. Ultrafiltration system according to claim 1, characterized in that the inlet end of the inlet automatic valve (AV01) is connected to a raw water pump.