CN217202314U - Ultrafiltration membrane cleaning waste liquid recovery treatment system - Google Patents
Ultrafiltration membrane cleaning waste liquid recovery treatment system Download PDFInfo
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- CN217202314U CN217202314U CN202123318272.0U CN202123318272U CN217202314U CN 217202314 U CN217202314 U CN 217202314U CN 202123318272 U CN202123318272 U CN 202123318272U CN 217202314 U CN217202314 U CN 217202314U
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Abstract
The utility model discloses an ultrafiltration membrane cleaning waste liquid recovery processing system, wherein a cleaning liquid inlet of a cleaning tank is connected with a liquid outlet of a sodium hydroxide buffering preparation tank through a cleaning liquid pipeline, a filter screen is arranged on the liquid outlet of the sodium hydroxide buffering preparation tank, a cleaning waste liquid discharge pipeline is arranged at the tank bottom of the cleaning tank, this wash waste liquid discharge pipeline divides two branch pipes and links to each other with neutralization tubular mixer and washing liquid filter respectively, and washing liquid filter's export links to each other with the import of sodium hydroxide buffering preparation jar, is provided with the acidizing fluid liquid feeding pipe on the neutralization tubular mixer, is provided with the pH sensor on the outlet pipeline of neutralization tubular mixer, and neutralization tubular mixer's outlet pipeline links to each other with flocculation tubular mixer, is provided with flocculating agent on the flocculation tubular mixer and adds the pipeline, and flocculation tubular mixer's export links to each other with flocculation filter. The cleaning liquid is recycled as much as possible, the automatic treatment is realized, the occupied area is small, and the treatment liquid can reach the discharge standard.
Description
Technical Field
The utility model relates to a water treatment field, in particular to milipore filter washs waste liquid recovery processing system.
Background
Ultrafiltration membranes are widely used in tap water treatment, and the membranes are expensive due to the special and compact filter material and the complex manufacturing process. Therefore, during the use process, back flushing is performed frequently. After the membrane is used for a period of time, the membrane can be cleaned, how to clean the membrane can meet the process requirements, the service life of the membrane is prolonged to the maximum extent, energy is saved, and emission is reduced, so that the membrane is an important research subject at present.
The existing cleaning method is to take out the ultrafiltration membrane, put the ultrafiltration membrane into a cleaning tank, soak and clean the ultrafiltration membrane with cleaning solution, add cleaning agent such as sodium hydroxide into the cleaning solution, discharge the cleaning solution after cleaning into a neutralization tank for neutralization, then discharge the cleaning solution, the area occupied by the neutralization tank is large, and the discharge can not reach the discharge standard only by neutralization, thus causing secondary pollution to the environment. The cleaning liquid cannot be reused in the existing method, so that the cleaning cost is high.
SUMMERY OF THE UTILITY MODEL
To the prior art problem, the utility model provides an milipore filter washs waste liquid recovery processing system, recycle washing liquid as far as, area is little, can reach emission standard after the waste liquid is handled.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an ultrafiltration membrane washs waste liquid recovery processing system, includes the washing tank, its characterized in that: a cleaning liquid inlet is arranged at the upper part of the cleaning tank, the cleaning liquid inlet is connected with a liquid outlet of a sodium hydroxide buffer preparation tank through a cleaning liquid pipeline, a filter screen is arranged on the liquid outlet of the sodium hydroxide buffer preparation tank, a cleaning liquid pump is arranged on the cleaning liquid pipeline, a cleaning waste liquid discharge pipeline is arranged at the tank bottom of the cleaning tank, the cleaning waste liquid discharge pipeline is divided into two branch pipes which are respectively connected with a neutralization tubular mixer and a cleaning liquid filter, the outlet of the cleaning liquid filter is connected with the inlet of the sodium hydroxide buffer preparation tank, an acid liquid feeding pipe is arranged on the neutralization tubular mixer, an automatic control valve and a flowmeter are arranged on the acid liquid feeding pipe, a pH sensor is arranged on an outlet pipe line of the neutralization tubular mixer, and an outlet pipe of the neutralization tubular mixer is connected with a flocculation tubular mixer, the flocculating pipe type mixer is provided with a flocculating agent adding pipeline, an outlet of the flocculating pipe type mixer is connected with a flocculating filter, and a water outlet of the flocculating filter is connected with a drainage pipe network.
Adopt above-mentioned scheme, accomplish the preparation back of washing liquid (washing agent (including sodium hydroxide) with water and prepare into the washing liquid) in the sodium hydroxide buffering preparation jar, through washing liquid pump in the washing tank, at the in-process of pump income washing tank, through the filter screen filtration back, get into the washing tank, avoid debris and undissolved sodium hydroxide to get into the washing tank, cause the damage to the milipore filter. The ultrafiltration membrane is soaked in the cleaning tank for cleaning, after cleaning is completed, cleaning liquid is discharged, filtered by the cleaning liquid filter, enters the sodium hydroxide buffering preparation tank for supplementing a certain amount of cleaning agent, is filtered by the filter screen again and then is pumped into the cleaning tank, and the effect of recycling the cleaning liquid is achieved.
When the cleaning solution is cleaned for a certain number of times, the cleaning solution can not be reused and can only be treated and discharged, the acid solution is added into the cleaning solution through the neutralization tubular mixer for neutralization, the pH value is monitored on line through the pH sensor, the pH value of the cleaning waste solution is controlled to be adjusted to be neutral by controlling the flow of the added acid solution, the waste solution after the pH value is adjusted enters the flocculation tubular mixer for flocculation reaction through adding a flocculating agent, and the waste solution after the reaction is filtered through the flocculation filter and reaches the discharge standard for discharge. The flocculation tubular mixer and the flocculation filter are adopted, a flocculation reaction tank and a sedimentation tank are saved, and the neutralization tubular mixer is adopted, so that an adjusting tank is saved, the occupied area is greatly reduced, and the treatment cost is reduced.
In the scheme, the method comprises the following steps: and automatic control valves are respectively arranged on the two branch pipes of the cleaning waste liquid discharge pipeline. Automatic switching can be realized, and manual operation is reduced.
In the scheme, the method comprises the following steps: and a pH sensor and a stirring device are arranged in the sodium hydroxide buffering preparation tank.
In the scheme, the method comprises the following steps: the filter screen can be dismantled and set up on the liquid outlet of sodium hydroxide buffering preparation jar. The replacement and cleaning are convenient.
Has the advantages that: the utility model discloses an milipore filter washs waste liquid recovery processing system can realize milipore filter and wash the recycle and the processing of waste liquid, and area is little, can realize automatic on-line monitoring, and the waste liquid can stable processing reach emission standard.
Drawings
Fig. 1 is a process flow chart of the present invention.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
Example 1
As shown in figure 1, the utility model discloses an ultrafiltration membrane washing waste liquid recovery processing system is by washing tank 1, sodium hydroxide buffering preparation jar 2, filter screen 3, washing liquid pump 4, neutralization tube mixer 5, washing liquid filter 6, automatic control valve 7, flowmeter 8, pH sensor 9, flocculation tube mixer 10, flocculation filter 11, agitating unit 12.
The upper portion of washing tank 1 is provided with the washing liquid inlet, and the washing liquid inlet links to each other through the liquid outlet of washing liquid pipeline with sodium hydroxide buffering preparation jar 2, is provided with pH sensor 9 and agitating unit 12 in the sodium hydroxide buffering preparation jar 2. A filter screen 3 is arranged on the liquid outlet of the sodium hydroxide buffering preparation tank 2, and preferably, the filter screen 3 can be detachably arranged on the liquid outlet of the sodium hydroxide buffering preparation tank 2. A cleaning liquid pump 4 is arranged on the cleaning liquid pipeline, a cleaning waste liquid discharge pipeline is arranged at the bottom of the cleaning tank 1, the cleaning waste liquid discharge pipeline is divided into two branch pipes which are respectively connected with a neutralization tubular mixer 5 and a cleaning liquid filter 6, and automatic control valves 7 are respectively arranged on the two branch pipes. The export of washing liquid filter 6 links to each other with the import of sodium hydroxide buffering preparation jar 2, be provided with the acidizing fluid filling pipe on the neutralization tubular mixer 5, be provided with automatic control valve 7 and flowmeter 8 on the acidizing fluid filling pipe, be provided with pH sensor 9 on the outlet pipeline of neutralization tubular mixer 5, the outlet pipeline of neutralization tubular mixer 5 links to each other with flocculation tubular mixer 10, be provided with the flocculating agent on the flocculation tubular mixer 10 and add the pipe, be provided with flowmeter 8 and automatic control valve 7 on the flocculating agent adds the pipeline, the export of flocculation tubular mixer 10 links to each other with flocculation filter 11, the outlet and the drain pipe network of flocculation filter 11 link to each other.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides an ultrafiltration membrane washs waste liquid recovery processing system, includes the washing tank, its characterized in that: a cleaning liquid inlet is arranged at the upper part of the cleaning tank, the cleaning liquid inlet is connected with a liquid outlet of a sodium hydroxide buffer preparation tank through a cleaning liquid pipeline, a filter screen is arranged on the liquid outlet of the sodium hydroxide buffer preparation tank, a cleaning liquid pump is arranged on the cleaning liquid pipeline, a cleaning waste liquid discharge pipeline is arranged at the tank bottom of the cleaning tank, the cleaning waste liquid discharge pipeline is divided into two branch pipes which are respectively connected with a neutralization tubular mixer and a cleaning liquid filter, the outlet of the cleaning liquid filter is connected with the inlet of the sodium hydroxide buffer preparation tank, an acid liquid feeding pipe is arranged on the neutralization tubular mixer, an automatic control valve and a flowmeter are arranged on the acid liquid feeding pipe, a pH sensor is arranged on an outlet pipe line of the neutralization tubular mixer, and an outlet pipe of the neutralization tubular mixer is connected with a flocculation tubular mixer, the flocculating pipe type mixer is provided with a flocculating agent adding pipeline, an outlet of the flocculating pipe type mixer is connected with a flocculating filter, and a water outlet of the flocculating filter is connected with a drainage pipe network.
2. The ultrafiltration membrane cleaning waste liquid recovery and treatment system according to claim 1, characterized in that: and automatic control valves are respectively arranged on the two branch pipes of the cleaning waste liquid discharge pipeline.
3. The ultrafiltration membrane cleaning waste liquid recovery treatment system according to claim 2, characterized in that: and a pH sensor and a stirring device are arranged in the sodium hydroxide buffering preparation tank.
4. The system for recovering and treating the ultrafiltration membrane cleaning waste liquid according to any one of claims 1 to 3, characterized in that: the filter screen can be dismantled and set up on the liquid outlet of sodium hydroxide buffering preparation jar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123318272.0U CN217202314U (en) | 2021-12-27 | 2021-12-27 | Ultrafiltration membrane cleaning waste liquid recovery treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123318272.0U CN217202314U (en) | 2021-12-27 | 2021-12-27 | Ultrafiltration membrane cleaning waste liquid recovery treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217202314U true CN217202314U (en) | 2022-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123318272.0U Active CN217202314U (en) | 2021-12-27 | 2021-12-27 | Ultrafiltration membrane cleaning waste liquid recovery treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217202314U (en) |
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2021
- 2021-12-27 CN CN202123318272.0U patent/CN217202314U/en active Active
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