CN208883546U - The cleaning device of NF/RO film unit water inlet line inner wall growth bacteria sludge - Google Patents
The cleaning device of NF/RO film unit water inlet line inner wall growth bacteria sludge Download PDFInfo
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- CN208883546U CN208883546U CN201821401818.4U CN201821401818U CN208883546U CN 208883546 U CN208883546 U CN 208883546U CN 201821401818 U CN201821401818 U CN 201821401818U CN 208883546 U CN208883546 U CN 208883546U
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Abstract
The utility model discloses the cleaning devices that a kind of NF/RO film unit water inlet line inner wall breeds bacteria sludge, which includes ultrafiltration clear liquid collecting tank and NF/RO film unit, is connected between ultrafiltration clear liquid collecting tank and NF/RO film unit by water inlet line；Further include cleaning agent holding vessel, be connected between cleaning agent holding vessel and water inlet line water inlet end by pipeline, the pipeline between cleaning agent holding vessel and water inlet line is equipped with the cleaning agent delivery pump for conveying cleaning agent into water inlet line.The utility model cleaning device has many advantages, such as that easy to operate, safety coefficient is high, cleaning efficiency is high, cleaning effect is good, can quickly and effectively clean NF/RO film unit water inlet line, there is good application value and application prospect, be suitable for utilizing on a large scale.
Description
Technical field
The utility model belongs to technical field of sewage, and it is thin to be related to a kind of NF/RO film unit water inlet line inner wall growth
The cleaning device of bacterium sludge.
Background technique
Currently, the processing method of loading embeading percolation liquid is frequently with MBR+NF/RO technique, wherein ultrafiltration membrane elements are important compositions
Part, general ultrafiltration membrane elements service life are 3~5 years.It is right when ultrafiltration membrane elements service life was near or above 3~5 years
The cutoff performance of microorganism declines.Particularly, in actual application, it is the utilization efficiency for improving equipment, reduces production fortune
Row cost, the generally only low ultrafiltration membrane elements of replacement small part flux, and major part has been more than the ultrafiltration membrane element of service life
Part still will continue to using, or even operation 6 years after continue to using as a result, cutoff performance of the ultrafiltration membrane elements to microorganism
It is remarkably decreased, and the microbes such as bacterium enter ultrafiltration clear liquid collecting tank through the ultrafiltration membrane elements of aging.When the micro- life of appearance
When object bacterium enters ultrafiltration clear liquid collecting tank through ultrafiltration membrane elements, bacterium is clear in ultrafiltration using the organic matter of ultrafiltration clear liquid dissolution
Inside liquid collecting tank, the place such as NF/RO film unit water inlet line inner wall, filter, NF/RO film surface breed breeding, growth generation
It thanks, a large amount of bacteria sludge is attached to the surface of these components, is easy blocking water inlet line, filter, NF/RO membrane component and height
Press pump etc., so as to cause the filter bag replacement in the filter of NF/RO membrane component front end, frequent, membrane component front and back end pressure difference goes up fast
A series of problems, such as rate is fast.When especially same day temperature is higher, as summer belongs to high temperature season, and high temperature is continuously on 32 DEG C
Under, this is the optimum temperature of bacterial reproduction, and through ultrafiltration membrane elements clear liquid in content of organics 400~800mg/L it
Between, energy, while the inner surface of ultrafiltration clear liquid collecting tank, NF/RO film unit water inlet line inner wall, mistake are provided for the growth of bacterium
The place such as surface of filter and NF/RO film provides carrier for the breeding of bacterium, so that bacterial reproduction speed is fast, as a result,
The cleaning and replacement of the components such as pipeline, filter bag and NF/RO membrane component are more frequent.By statistical analysis, water inlet line inner wall and
Filter inner wall adheres to a large amount of biological bacteriums and sticks mud (bacteria sludge), and the filter bag in the filter of NF/RO membrane component front end needs daily
It replaces 4 times or more, NF and RO membrane component front and back end pressure difference was gone up with 0.8~1.3bar/ days rates.The above problem is deposited
Directly resulting in operating cost increase, processing difficulty increases, treatment effect is difficult to improve and is difficult to reach design requirement.Therefore,
Effectively cleaning NF/RO film unit water inlet line inner wall breeds bacteria sludge and has a very important significance.
Currently, the method that cleaning NF/RO film unit water inlet line inner wall breeds bacteria sludge mainly has: (1) artificial mechanism
Sweep-out method, this method need to remove in pipeline, then carry out mechanical descaling using artificial beat, but there is problems in that
Long construction period, construction personnel is more, intensity is big, low efficiency, cleaning effect are poor, larger to Influence of production, seriously affects production effect
Rate.(2) chemical agent cleaning method, this method in pipeline by manually pouring into the chemistry with sludge reaction in pipeline highest point
Chemical reaction or dissolution sludge occur for the sludge of medicament, chemical agent and inner wall of the pipe, thus achieve the effect that remove sludge,
But the problems such as there are still cleaning effect is poor, scavenging period is long in existing medicament cleaning method.In addition, according to being artificially infused to
The mode of chemical agent is cleaned, and there is problems: because the gas that air in pipeline and reaction generate is not easy to be discharged, being led
The chemical agent of cleaning is caused to pour into unsmooth, the cleaning chemical agent poured into, which easily sputters, to be come, and there are larger personal safety hidden danger, clearly
Washing between chemical agent and pipeline cannot come into full contact with, and cleaning efficiency and cleaning effect are poor.Therefore, obtain it is a kind of it is easy to operate,
The NF/RO film unit water inlet line inner wall that safety coefficient is high, cleaning efficiency is high, cleaning effect is good breeds the cleaning dress of bacteria sludge
It sets, has for the treatment effect for improving MBR+NF/RO technique and the application range for expanding MBR+NF/RO technique particularly significant
Meaning.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies of the prior art and provide a kind of easy to operate, safety
The NF/RO film unit water inlet line inner wall that coefficient is high, cleaning efficiency is high, cleaning effect is good breeds the cleaning device of bacteria sludge.
In order to solve the above technical problems, the technical solution adopted in the utility model is:
A kind of NF/RO film unit water inlet line inner wall breeds the cleaning device of bacteria sludge, including ultrafiltration clear liquid collecting tank
With NF/RO film unit, it is connected between the ultrafiltration clear liquid collecting tank and NF/RO film unit by water inlet line；The cleaning dress
Setting further includes cleaning agent holding vessel, is connected between the cleaning agent holding vessel and water inlet line water inlet end by pipeline；Institute
The pipeline between cleaning agent holding vessel and water inlet line is stated equipped with the cleaning for conveying cleaning agent into water inlet line
Medicament delivery pump.
Above-mentioned cleaning device, further improved, the lowest part of the water inlet line is communicated with blow valve by pipeline,
The blow valve other end leads to Bilge by pipeline.
Above-mentioned cleaning device, further improved, the highest point of the water inlet line is communicated with exhaust valve by pipeline,
The exhaust valve other end leads to cesspool by pipeline.
Above-mentioned cleaning device, it is further improved, on the pipeline between the cleaning agent delivery pump and water inlet line
Equipped with cleaning agent check-valves.
Above-mentioned cleaning device, it is further improved, lead between the water inlet line water outlet and cleaning agent holding vessel
Piping connection, the pipeline between the water inlet line water outlet and cleaning agent holding vessel are equipped with for storing up to cleaning agent
Deposit the cleaning agent return valve of tank reflux cleaning agent.
Above-mentioned cleaning device, further improved, the water inlet line water inlet end is equipped with water inlet line inlet valve, described
Water inlet line inlet valve one end is communicated with ultrafiltration clear liquid collecting tank, connects on the water inlet line of the water inlet line inlet valve other end
It is connected with cleaning agent holding vessel.
Above-mentioned cleaning device, further improved, the water inlet line water outlet is equipped with NF/RO film unit inlet valve,
NF/RO film unit inlet valve one end is communicated with NF/RO film unit, the water inlet of the NF/RO film unit inlet valve other end
Cleaning agent holding vessel and exhaust valve are communicated on pipeline.
Compared with the prior art, the advantages of the utility model are:
(1) the utility model provides a kind of cleaning device of NF/RO film unit water inlet line inner wall growth bacteria sludge,
Including ultrafiltration clear liquid collecting tank and NF/RO film unit, connected between ultrafiltration clear liquid collecting tank and NF/RO film unit by water inlet line
It is logical, and the cleaning device further includes cleaning agent holding vessel, passes through pipe between cleaning agent holding vessel and water inlet line water inlet end
Road connection, the pipeline between cleaning agent holding vessel and water inlet line are equipped with for conveying cleaning agent into water inlet line
Cleaning agent delivery pump.In the utility model, is pressurizeed using cleaning agent delivery pump to cleaning agent, increase cleaning agent in pipe
Kinetic energy in road injects in pipeline to be washed, and effective component increases in pipeline with bacteria sludge collision frequency in cleaning agent, small
Molecular substance operating rate is accelerated, and effective contact area increases, and cleaning agent becomes faster with bacteria sludge reaction rate, can promote
Bacteria sludge occurs chemical reaction with chemical agent or is mutually dissolved, and finally reduces the time that chemical agent impregnates pipeline, mentions
High cleaning efficiency and cleaning quality.In addition, when using the utility model cleaning device, the probability of worker exposure's cleaning agent compared with
It is low, the safety coefficient of work man-hour can be significantly improved, safety in production is promoted.The utility model cleaning device has operation letter
The advantages that list, safety coefficient are high, cleaning efficiency is high, cleaning effect is good can quickly and effectively clean the water inlet of NF/RO film unit
Pipeline has good application value and application prospect, is suitable for utilizing on a large scale.
(2) in the utility model cleaning device, it is also provided with blow valve and exhaust valve, wherein blow valve is located at water inlet pipe
The lowest part in road avoids related sewage, cleaning for the emptying of sewage, cleaning agent remaining in water inlet line after having cleaned
Medicament enters next process with medium, causes adverse reaction；Exhaust valve is located to the highest point of water inlet line, is conducive to logical
The air in pipeline is discharged when entering cleaning agent, prevents vapour lock, while being also beneficial to react cleaning agent with bacteria sludge
When the gas discharge that generates, pipeline breaking is avoided, to solve generation when manually adding by installation of relief valve and exhaust valve
The phenomenon that vapour lock, cleaning agent splash, improves the efficiency of pipeline chemical cleaning, reduces the security risk in cleaning process,
It saves human and material resources.In addition, being connected to water inlet line water outlet with cleaning agent holding vessel by pipeline, and said in water inlet pipe
Cleaning agent return valve is set on pipeline between water end (W.E.) and cleaning agent holding vessel, can be realized cleaning agent and recycled in pipeline
Flowing improves the utilization rate of cleaning agent, reduces processing cost, while also can be reduced medicament soaking time, improves cleaning efficiency.
Detailed description of the invention
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical solutions in the embodiments of the present invention are clearly and completely described.
Fig. 1 is the cleaning device that NF/RO film unit water inlet line inner wall breeds bacteria sludge in the utility model embodiment 1
Schematic diagram.
Fig. 2 is the cleaning process that NF/RO film unit water inlet line inner wall breeds bacteria sludge in the utility model embodiment 2
Flow chart.
Marginal data:
1, cleaning agent holding vessel；2, cleaning agent delivery pump；3, cleaning agent check-valves；4, blow valve；5, Bilge；
6, exhaust valve；7, cesspool；8, cleaning agent return valve；9, ultrafiltration clear liquid collecting tank；10, water inlet line inlet valve；11, it intakes
Pipeline；12, NF/RO film unit inlet valve；13, NF/RO film unit.
Specific embodiment
The utility model is further described below in conjunction with Figure of description and specific preferred embodiment, but not because
This and limit the protection scope of the utility model.
Material employed in following embodiment and instrument are commercially available.In the embodiments of the present invention, if without special
Illustrate, used equipment is conventional equipment.
Embodiment 1
As shown in Figure 1, a kind of NF/RO film unit water inlet line inner wall breeds the cleaning device of bacteria sludge, including ultrafiltration
Clear liquid collecting tank 9 and NF/RO film unit 13 pass through water inlet line 11 between ultrafiltration clear liquid collecting tank 9 and NF/RO film unit 13
Connection.The cleaning device further includes cleaning agent holding vessel 1, is led between 11 water inlet end of cleaning agent holding vessel 1 and water inlet line
Piping connection, the pipeline between cleaning agent holding vessel 1 and water inlet line 11 are equipped with for conveying into water inlet line 11
The cleaning agent delivery pump 2 of cleaning agent.In the present embodiment, is pressurizeed, increased to cleaning agent using cleaning agent delivery pump 2
It is dirty with bacterium in pipeline to enter effective component in the cleaning agent after washing in pipeline at this time for kinetic energy of the cleaning agent in pipeline
Mud collision frequency increases, and small-molecule substance operating rate is accelerated, and effective contact area increases, and cleaning agent is reacted with bacteria sludge
Rate becomes faster, and can promote bacteria sludge that chemical reaction occurs with chemical agent or is mutually dissolved, and finally reduce chemical agent
The time of pipeline is impregnated, cleaning efficiency and cleaning quality are improved.In addition, when using the utility model cleaning device, worker exposure
The probability of cleaning agent is lower, can significantly improve the safety coefficient of work man-hour, promotes safety in production.The utility model is clear
Cleaning device has many advantages, such as that easy to operate, safety coefficient is high, cleaning efficiency is high, cleaning effect is good, can quickly and effectively clean
NF/RO film unit water inlet line, there is good application value and application prospect, is suitable for utilizing on a large scale.
Further improved in the present embodiment, the lowest part of water inlet line 11 is communicated with blow valve 4 by pipeline, emptying
4 other end of valve leads to Bilge 5 by pipeline.In the present embodiment, blow valve 4 is located to the lowest part of water inlet line 11, is used for
The emptying that remaining sewage, cleaning agent in rear water inlet line 11 will have been cleaned, avoids related sewage, cleaning agent from entering with medium
Next process causes adverse reaction.
Further improved in the present embodiment, the highest point of water inlet line 11 is communicated with exhaust valve 6 by pipeline, exhaust
6 other end of valve leads to cesspool 7 by pipeline.In the present embodiment, exhaust valve 6 is located at the highest point of water inlet line 11, is conducive to
The air in pipeline is discharged when being passed through cleaning agent, prevents vapour lock, while being also beneficial to cleaning agent and bacteria sludge
The gas discharge generated when reaction, avoids pipeline breaking.
Further improved in the present embodiment, the pipeline between cleaning agent delivery pump 2 and water inlet line 11 is equipped with clear
Wash agent check-valves 3.
It is further improved in the present embodiment, pass through pipeline between 11 water outlet of water inlet line and cleaning agent holding vessel 1
Connection, the pipeline between 11 water outlet of water inlet line and cleaning agent holding vessel 1 are equipped with for returning to cleaning agent holding vessel 1
Flow the cleaning agent return valve 8 of cleaning agent.In the present embodiment, 11 water outlet of water inlet line and cleaning agent are stored up by pipeline
The connection of tank 1 is deposited, and cleaning agent is set on the pipeline between 11 water outlet of water inlet line and cleaning agent holding vessel 1 and is flowed back
Valve 8 can be realized cleaning agent in pipeline internal circulation flow, improve the utilization rate of cleaning agent, reduces processing cost, while
It can be reduced medicament soaking time, improve cleaning efficiency.
In the present embodiment, 11 water inlet end of water inlet line is equipped with water inlet line inlet valve 10, wherein water inlet line inlet valve 10
One end is communicated with ultrafiltration clear liquid collecting tank 9, is communicated with cleaning agent on the water inlet line 11 of 10 other end of water inlet line inlet valve
Holding vessel 1 and exhaust valve 6.
In the present embodiment, 11 water outlet of water inlet line be equipped with NF/RO film unit inlet valve 12, wherein NF/RO film unit into
12 one end of water valve is communicated with NF/RO film unit 13, is communicated on the water inlet line 11 of 12 other end of NF/RO film unit inlet valve clear
Wash agent holding vessel 1 and exhaust valve 6.
Embodiment 2
A kind of NF/RO film unit water inlet line inner wall breeds the cleaning method of bacteria sludge, specially using in embodiment 1
Cleaning device cleaning NF/RO film unit water inlet line inner wall breed bacteria sludge, cleaning process flow as shown in Fig. 2, packet
Include following steps:
S1, pre-treatment.Related valve is controlled, remaining sewage in water inlet line 11, water (the reverse osmosis membrane system in are emptied
System water outlet) flushing 11 inner wall of water inlet line cleans inner wall of the pipe, until the water quality coloration of eluate less than 10 times, stops
It rinses.
S2, membrane component protective program.After step S1, related valve is controlled, the sulfurous acid for being 10000ppm by concentration
Hydrogen sodium solution is placed in ultrafiltration clear liquid collecting tank 9, clean cycle program is opened, to 11 inner wall of water inlet line and NF/RO film unit
13 carry out wash cycles 15min, while are immersed in NF/RO membrane component in solution of sodium bisulfite, prevent subsequent hypochlorous acid
Sodium solution aoxidizes membrane component.
S3, soaking sterilization.After step S2, related valve is controlled, uses the effective chlorine density to be for 25g/kg, pH value
11.8 liquor natrii hypochloritis impregnates 11 inner wall of water inlet line, specifically: liquor natrii hypochloritis is placed in cleaning agent
In holding vessel 1, liquor natrii hypochloritis is transported in water inlet line 11 using cleaning agent delivery pump 2, while utilizing cleaning medicine
Agent delivery pump 2 makes liquor natrii hypochloritis in pipeline internal circulation flow 30min, static soak 10min, repeats aforesaid operations 5 times, by
This realizes the immersion to inner wall of the pipe.In the process, it is pressurizeed, is increased clear to cleaning agent due to cleaning agent delivery pump 2
The kinetic energy of wash agent, enter in the cleaning agent after washing in pipeline at this time effective component in pipeline with bacteria sludge collision frequency
Increasing, small-molecule substance operating rate is accelerated, and effective contact area increases, and cleaning agent becomes faster with bacteria sludge reaction rate,
It can promote bacteria sludge that chemical reaction occurs with chemical agent or is mutually dissolved, and finally reduce chemical agent and impregnate pipeline
Time improves cleaning efficiency and cleaning quality.In the step, related valve is controlled, prevents liquor natrii hypochloritis from leaking.
S4, cleaning pipeline.After step S3, related valve is controlled, water (reverse osmosis membrane system water outlet) rinses in
11 inner wall of water inlet line cleans inner wall of the pipe, to reach the mesh of liquor natrii hypochloritis's (cleaning agent) in cleaning pipeline
, until chlorinty is less than 0.1ppm in eluate, stop rinsing.
S5, chlorine residue in pipeline is neutralized.After step S4, related valve is controlled, is that 10000ppm (is not limited to by concentration
The concentration, other concentration also can, if concentration is 8000ppm~15000ppm) solution of sodium bisulfite to be placed in ultrafiltration clear
In liquid collecting tank 9, wash cycles program is opened, wash cycles 15min is carried out to 11 inner wall of water inlet line, utilizes sodium hydrogensulfite
Solution rinses remaining liquor natrii hypochloritis in water inlet line 11, to reach the cleaning remaining liquor natrii hypochloritis of inner wall of the pipe
The purpose of (cleaning agent) completes the cleaning that bacteria sludge is bred to NF/RO film unit water inlet line inner wall.
S6, booting.After step S5, related valve is controlled, opens and produces water program, operates normally booting.
In the present embodiment, intend the corresponding NF/RO film unit of cleaning water inlet line, as shown in Tables 1 and 2, wherein NF/RO film machine
Group is nanofiltration/reverse osmosis integrated equipment, is connected to ultrafiltration clear liquid collecting tank by water inlet line.
Before cleaning, NF/RO film unit water inlet line inner wall, filter inner wall are attached with a large amount of bacteria sludge, and through this
Utility model cleaning device cleaning after, NF/RO film unit water inlet line inner wall, filter inner wall attachment most of bacteria sludge
It has been be dissolved that, there is no particle-bound bacteria sludge substantially, cleaning effect is preferable, this explanation can using the utility model cleaning device
The bacteria sludge that NF/RO film unit water inlet line inner wall is bred is cleaned up.
In order to further verify beneficial effect brought by the utility model cleaning device, the mistake forward and backward to pipeline cleaning
Filter filter bag replacing construction is counted, and the results are shown in Table 1.
1 difference NF/RO film unit water inlet line of table cleaning front and back filter bag replaces situation statistical form
Remarks: the time is during in June, 2018 on table
As shown in Table 1, it does not clean NF/RO film unit (A2 and A3), filter bag high frequency of replacement, wherein filter bag is more in A2
It changes frequency and is up to 4 times/day, the replacement frequency of filter bag is up to 4 times/day in A3.And after cleaning in NF/RO film unit (A1 and A3)
The replacement frequency of filter bag is down to 1 times/day.By comparing it is found that after the cleaning of the utility model cleaning device, NF/RO film machine
Filter bag replacement frequency significantly reduces in group, this advantageously reduces operating cost and processing difficulty.
In order to further verify beneficial effect brought by the utility model cleaning device, pipeline cleaning is forward and backward to NF/RO
Film pressure at two ends is counted in film unit (A1), and the results are shown in Table 2.In table 2, NF/RO film unit before and after pipeline cleaning
(A1) film pressure at two ends data are tested under the same test conditions in obtains.
Influence data of the cleaning of table 2 front and back to NF, RO film operating pressure
Remarks: in table 2, experimental group is the NF/RO film unit after cleaning, and control group is unwashed NF/RO film unit.
As shown in Table 2, in unwashed NF/RO film unit (control group), NF1, RO2And 2RO2Accumulation days running point
Wei not be 4 days, 8 days and 5 days, and in the NF/RO film unit (experimental group) cleaned, NF1, RO2And 2RO2Accumulation days running difference
It is 6 days, 7 days and 7 days.By comparing it is found that compared to the NF/RO film unit not cleaned, through the utility model cleaning device
The accumulation days running of NF/RO film unit after cleaning is generally longer, and Cumulative Elapsed Time is relatively stable, this is advantageously reduced
Operating cost and processing difficulty.In addition, as shown in Table 2, pressure at two ends rise value is in 4.01bar or more, increase rate in control group
Up to 1.26bar/ days, wherein NF1, RO2And 2RO2Pressure at two ends rise value be respectively 4.28bar, 10.13bar,
4.01bar, increase rate are respectively 1.070bar/ days, 1.26bar/ days, 0.802bar/ days；And pressure at two ends goes up in experimental group
Value in 1.47bar hereinafter, increase rate was down to 0.21bar/ days, wherein NF1, RO2And 2RO2Pressure at two ends rise value be respectively
1.19bar, 1.47bar, 0.85bar, increase rate are respectively 0.198bar/ days, 0.210bar/ days, 0.121bar/ days.It can
See, compared to the NF/RO film unit not cleaned, after the cleaning of the utility model cleaning device, each film two in NF/RO film unit
Hold (front and back end) pressure rise value lower and both ends (front and back end) pressure increase rate it is relatively low, this advantageously reduce processing difficulty with
And treatment effect is improved, so as to more easily reach design requirement.
Result in comprehensive Tables 1 and 2 is it is found that intake to NF/RO film unit using above-mentioned the utility model cleaning device
When inner wall of the pipe growth bacteria sludge is cleaned, since cleaning agent delivery pump pressurizes to cleaning agent, cleaning medicine is increased
The kinetic energy of agent enters effective component in the cleaning agent after washing in pipeline at this time and increases in pipeline with bacteria sludge collision frequency
Add, small-molecule substance operating rate is accelerated, and effective contact area increases, and cleaning agent becomes faster with bacteria sludge reaction rate, can
To promote bacteria sludge and chemical agent that chemical reaction occurs or be mutually dissolved, and finally reduce chemical agent impregnate pipeline when
Between, improve cleaning efficiency and cleaning quality；Meanwhile when using the utility model cleaning device, worker exposure's cleaning agent it is several
Rate is lower, can significantly improve the safety coefficient of work man-hour, promotes safety in production.At the same time, the utility model cleans
In device, it is also provided with blow valve and exhaust valve, wherein blow valve to be located to the lowest part of water inlet line, for it will clean after
The emptying of remaining sewage, cleaning agent, avoids related sewage, cleaning agent from entering next process with medium in water inlet line,
Cause adverse reaction；Exhaust valve is located to the highest point of water inlet line, is conducive to the sky in pipeline when being passed through cleaning agent
Gas discharge, the gas discharge generated when preventing vapour lock, while being also beneficial to react cleaning agent with bacteria sludge, avoids pipeline
Rupture, thus solve the phenomenon that vapour lock being generated when manually adding, cleaning agent splashes by installation of relief valve and exhaust valve,
The efficiency for improving pipeline chemical cleaning reduces the security risk in cleaning process, saves human and material resources.In addition, passing through pipe
Water inlet line water outlet is connected to by road with cleaning agent holding vessel, and between water inlet line water outlet and cleaning agent holding vessel
Cleaning agent return valve is set on pipeline, can be realized cleaning agent in pipeline internal circulation flow, improve the utilization of cleaning agent
Rate reduces processing cost, while also can be reduced medicament soaking time, improves cleaning efficiency.The utility model cleaning device has
Easy to operate, the advantages that safety coefficient is high, cleaning efficiency is high, cleaning effect is good, it can quickly and effectively clean NF/RO film machine
Group water inlet line, has good application value and application prospect, is suitable for utilizing on a large scale.
Above embodiments are only preferred embodiments of the present invention, and the protection scope of the utility model is simultaneously not only limited to
In above-described embodiment.Technical solution belonging to the idea of the present invention belongs to the protection scope of the utility model.It should
Point out, for those skilled in the art, improvement without departing from the principle of this utility model and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (7)
1. a kind of NF/RO film unit water inlet line inner wall breeds the cleaning device of bacteria sludge, including ultrafiltration clear liquid collecting tank (9)
With NF/RO film unit (13), pass through water inlet line (11) between the ultrafiltration clear liquid collecting tank (9) and NF/RO film unit (13)
Connection, which is characterized in that the cleaning device further includes cleaning agent holding vessel (1), the cleaning agent holding vessel (1) with into
It is connected between waterpipe (11) water inlet end by pipeline；Pipe between the cleaning agent holding vessel (1) and water inlet line (11)
Road is equipped with the cleaning agent delivery pump (2) for the conveying cleaning agent into water inlet line (11).
2. NF/RO film unit water inlet line inner wall according to claim 1 breeds the cleaning device of bacteria sludge, feature
It is, the lowest part of the water inlet line (11) is communicated with blow valve (4) by pipeline, and blow valve (4) other end passes through
Pipeline leads to Bilge (5).
3. NF/RO film unit water inlet line inner wall according to claim 1 breeds the cleaning device of bacteria sludge, feature
It is, the highest point of the water inlet line (11) is communicated with exhaust valve (6) by pipeline, and exhaust valve (6) other end passes through
Pipeline leads to cesspool (7).
4. the cleaning that NF/RO film unit water inlet line inner wall described in any one of claim 1 to 3 breeds bacteria sludge
Device, which is characterized in that the pipeline between the cleaning agent delivery pump (2) and water inlet line (11) stops equipped with cleaning agent
It returns valve (3).
5. the cleaning that NF/RO film unit water inlet line inner wall described in any one of claim 1 to 3 breeds bacteria sludge
Device, which is characterized in that be connected between water inlet line (11) water outlet and cleaning agent holding vessel (1) by pipeline, institute
Pipeline between water inlet line (11) water outlet and cleaning agent holding vessel (1) is stated to be equipped with for cleaning agent holding vessel
(1) the cleaning agent return valve (8) of reflux cleaning agent.
6. the cleaning that NF/RO film unit water inlet line inner wall described in any one of claim 1 to 3 breeds bacteria sludge
Device, which is characterized in that water inlet line (11) water inlet end is equipped with water inlet line inlet valve (10), the water inlet line water inlet
Valve (10) one end is communicated with ultrafiltration clear liquid collecting tank (9), the water inlet line (11) of water inlet line inlet valve (10) other end
On be communicated with cleaning agent holding vessel (1).
7. NF/RO film unit water inlet line inner wall according to claim 3 breeds the cleaning device of bacteria sludge, feature
It is, water inlet line (11) water outlet is equipped with NF/RO film unit inlet valve (12), the NF/RO film unit inlet valve
(12) one end is communicated with NF/RO film unit (13), on the water inlet line (11) of NF/RO film unit inlet valve (12) other end
It is communicated with cleaning agent holding vessel (1) and exhaust valve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821401818.4U CN208883546U (en) | 2018-08-29 | 2018-08-29 | The cleaning device of NF/RO film unit water inlet line inner wall growth bacteria sludge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821401818.4U CN208883546U (en) | 2018-08-29 | 2018-08-29 | The cleaning device of NF/RO film unit water inlet line inner wall growth bacteria sludge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112933971A (en) * | 2021-02-02 | 2021-06-11 | 山东泰邦生物制品有限公司 | Cross-clean-area nano-membrane virus removal filtration system and operation method thereof |
-
2018
- 2018-08-29 CN CN201821401818.4U patent/CN208883546U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112933971A (en) * | 2021-02-02 | 2021-06-11 | 山东泰邦生物制品有限公司 | Cross-clean-area nano-membrane virus removal filtration system and operation method thereof |
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