CN202865032U - Reverse osmosis water purifying plant with tail water energy-saving device - Google Patents
Reverse osmosis water purifying plant with tail water energy-saving device Download PDFInfo
- Publication number
- CN202865032U CN202865032U CN 201220471654 CN201220471654U CN202865032U CN 202865032 U CN202865032 U CN 202865032U CN 201220471654 CN201220471654 CN 201220471654 CN 201220471654 U CN201220471654 U CN 201220471654U CN 202865032 U CN202865032 U CN 202865032U
- Authority
- CN
- China
- Prior art keywords
- reverse osmosis
- tail water
- water
- energy saver
- purifying plant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Water Treatment By Sorption (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a reverse osmosis water purifying plant with a tail water energy-saving device. The reverse osmosis water purifying plant comprises a pretreatment device, a driving device, a reverse osmosis device and a programmable logic controller (PLC) device. The reverse osmosis water purifying plant with the tail water energy-saving device is characterized by further comprising the tail water energy-saving device which is arranged on a position at which tail water in the reverse osmosis device is returned, the raw water is mixed with the returned tail water after being treated by the pretreatment device and is filtrated and purified in the reverse osmosis device through the driving device, and one part of the tail water in the reverse osmosis device is drained and the other part of the tail water is returned. The reverse osmosis water purifying plant with the tail water energy-saving device improves the recovery rate of the reverse osmosis water purifying plant and prolongs the service life of the tail water energy-saving device as long as possible by regulating the position of the tail water energy-saving device.
Description
Technical field
The utility model relates to a kind of reverse osmosis water purifying plant.
Background technology
In the prior art, as pretreatment unit, former water relies on own pressure by behind the pretreatment unit to reverse osmosis water purifying plant by accurate filter and activated charcoal filter, and it is for people to use to produce water purification by the high-pressure pump pressurization through reverse osmosis membrane apparatus.Because the characteristic of reverse osmosis membrane, dissolved matter in the water purification must be concentrated in the tail water (condensed water) and discharge, dissolved matter in the tail water is separated out and is attached to the film surface as reaching hypersaturated state, causes that the dirt of reverse osmosis membrane is stifled need to carry out clean and maintenance etc.Present more power-saving technology be installed in softening installation before the reverse osmosis unit and pretreatment unit after the water inlet circuit on, to reduce the hardness in the water, improve like this tolerance that reverse osmosis membrane is separated out dissolved matter supersaturation in the water inlet, within short duration, reduced the danger of reverse osmosis membrane aspect fouling fully, but the reverse osmosis water purifying plant construction features can not be too much loaded resin, and softening installation belongs to full stream exchange, the cycle of operation is short, need to carry out frequent or regeneration to it, in case do not change or regeneration, softening installation performs practically no function, and the dirty stifled tendency of reverse osmosis membrane fouling is very serious, affects the end-use performance of reverse osmosis water purifying plant.
Summary of the invention
The utility model purpose is: a kind of novel energy-conserving measure is provided, adjusts the position of tail water energy saver, in the rate of recovery that improves reverse osmosis water purifying plant, prolong as far as possible the work-ing life of softening installation.
The technical solution of the utility model is: a kind of reverse osmosis water purifying plant with tail water energy saver, comprise pretreatment unit, drive unit, reverse osmosis unit and PLC control device, it is characterized in that: it also comprises the tail water energy saver, described tail water energy saver is installed in the position of refluxing from reverse osmosis unit tail water out, former water is by behind the pretreatment unit, mix with the tail water that refluxes, enter the reverse osmosis unit filtration, purification by drive unit, reflux from a reverse osmosis unit tail water part discharging part out.
Preferably, be filled with softening in the described tail water energy saver and remove organic hybrid resin, front and back are respectively equipped with the first ball valve and the second ball valve, and bypass is provided with the 4th throttling valve.
Preferably, described pretreatment unit comprises accurate filter and activated charcoal filter.
Preferably, by the 3rd throttling valve, the second under meter, the discharging of the 3rd reverse checkvalve, pass through water-hammer arrester, first flow meter, first throttle valve and second reverse checkvalve for people from reverse osmosis unit water purification out from reverse osmosis unit part tail water out.
Preferably, in the described reverse osmosis unit reverse osmosis membrane is housed.
Preferably, described former water has certain pressure when passing into, through entering pretreatment unit behind the first reverse checkvalve, the reducing valve.
The utility model has the advantages that:
1. the utility model takes full advantage of the performance of antipollution and the ant-scaling of reverse osmosis membrane itself, in the degrees of tolerance of reverse osmosis membrane, by adjusting tail water energy saver flow velocity (increase flow velocity), and the flow (having avoided full stream exchange) of tail water energy saver is flow through in minimizing, ensureing in the situation of dirty stifled reverse osmosis membrane not, improved about 5 times the work-ing life of tail water energy saver.
2. the utility model is placed on the position that tail water refluxes with the tail water energy saver, thereby the higher backflow tail water of the relatively former water of foreign matter content is softened and removes organism, makes the rate of recovery of reverse osmosis be promoted to 80-90% by original 50-60%.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is prior art reverse osmosis water purifying plant schema;
Fig. 2 is the utility model reverse osmosis water purifying plant schema.
Wherein: 1, accurate filter; 2, activated charcoal filter; 3, drive unit; 4, reverse osmosis unit; 5, tail water energy saver; 6, the first reverse checkvalve; 7, reducing valve; 8, water-hammer arrester; 9, first flow meter; 10, first throttle valve; 11, the second reverse checkvalve; 13, the second throttling valve; 14, the 3rd throttling valve; 15, the first ball valve; 16, the second ball valve; 17, the 4th throttling valve; 18, the second under meter; 19, the 3rd reverse checkvalve; 20, softening installation.
Embodiment
Embodiment: as shown in Figure 1, present more power-saving technology be installed in softening installation 20 before the reverse osmosis unit 4 and the water inlet circuit behind the pretreatment unit on.
Schema of the present utility model as shown in Figure 2, described tail water energy saver 5 is installed in the position of refluxing from reverse osmosis unit 4 tail water out, after making water pressure invariableness by the first reverse checkvalve 6 and reducing valve 7, former water with certain pressure passes through again accurate filter 1 and activated charcoal filter 2, water outlet enters drive unit 3 pressurizations and flows into reverse osmosis unit 4, water purification after reverse osmosis unit 4 filters is by water-hammer arrester 8, first flow meter 9, first throttle valve 10 and the second reverse checkvalve 11 are for the people, the tail water condensed water of reverse osmosis unit 4 is divided into two-way, one tunnel bypass the 4th throttling valve 17 unlatchings through tail water energy saver 5, the first ball valve 15 and the second ball valve 16 are closed, the second throttling valve 13 is back to the drive unit 3 front reverse osmosis units 4 that flow into after pressurization, another Lu Jingdi three throttling valve 14 are adjusted certain emission flow and are discharged.
Principle of work of the present utility model is as follows:
In use, at first measure hardness, total salinity TDS, total organic pollutant TOC of raw water quality, calculate present maximum recovery according to the use properties of reverse osmosis membrane.Then close the ball valve of tail water energy saver 5 front and back, open the 4th throttling valve 17 of tail water energy saver 5 bypasses, open drive unit 3, slowly regulate the 3rd throttling valve 14 on the tail water discharge pipe, observe tail water pipeline second amount meter 18, system is moved according to the rate of recovery that calculates.
Second step is adjusted the rate of recovery, open the ball valve of tail water energy saver 5 front and back fully, close a little the 4th throttling valve 17 of tail water energy saver 5 bypasses, allow after the mixed with resin in the moistening tail water energy saver 5 of tail water resin 1-2 minute, the 4th throttling valve 17 of tail water energy saver 5 bypasses cuts out 1/2, adjust the 3rd throttling valve 14 of tail water discharge pipe, observe the second under meter 18 on the tail water pipeline, the flow that makes discharge water is about 1/10 of drive unit 3 flooding velocity, then discharge through the 3rd reverse checkvalve 19, the discharging of this part tail water can not make the indissoluble ion in the equipment infinitely increase, but forms present running balance.Slowly adjust the 4th throttling valve 17 of tail water energy saver bypass, detect simultaneously the youth Ge Lier saturation index of drive unit 3 rear water samples, make exponential number less than 0, avoiding mixing water inlet has fouling tendency in reverse osmosis unit 5.
By such mode, utilize the performance of the blowdown ant-scaling that reverse osmosis membrane can bear in producer's technology guide rule, alleviated the pressure of energy saver 5, tail water energy saver 5 adds the hybrid resin of dress, the content of indissoluble salt can be reduced and partial organic substances can be removed again, effectively prolong the work-ing life of energy saver 5, the rate of recovery of reverse osmosis is improved a lot, reached the effect of energy-conserving and environment-protective.
Certainly above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the people who is familiar with technique can understand content of the present utility model and according to this enforcement, can not limit protection domain of the present utility model with this.All modifications of doing according to the spirit of the utility model main technical schemes all should be encompassed within the protection domain of the present utility model.
Claims (6)
1. reverse osmosis water purifying plant with tail water energy saver, comprise pretreatment unit, drive unit (3), reverse osmosis unit (4) and PLC control device, it is characterized in that: it also comprises tail water energy saver (5), described tail water energy saver (5) is installed in the position of refluxing from reverse osmosis unit (4) tail water out, former water is by behind the pretreatment unit, mix with the tail water that refluxes, enter reverse osmosis unit (4) filtration, purification by drive unit (3), reflux from reverse osmosis unit (a 4) tail water part discharging part out.
2. the reverse osmosis water purifying plant with tail water energy saver according to claim 1 is characterized in that: be respectively equipped with the first ball valve (15) and the second ball valve (16) before and after the described tail water energy saver (5), bypass is provided with the 4th throttling valve (17).
3. the reverse osmosis water purifying plant with tail water energy saver according to claim 1, it is characterized in that: described pretreatment unit comprises accurate filter (1) and activated charcoal filter (2).
4. the reverse osmosis water purifying plant with tail water energy saver according to claim 1, it is characterized in that: by the 3rd throttling valve (14), the second under meter (18), the 3rd reverse checkvalve (19) discharging, pass through water-hammer arrester (8), first flow meter (9), first throttle valve (10) and second reverse checkvalve (11) for people from reverse osmosis unit (4) water purification out from reverse osmosis unit (4) part tail water out.
5. the reverse osmosis water purifying plant with tail water energy saver according to claim 1, it is characterized in that: described reverse osmosis unit is equipped with reverse osmosis membrane in (4).
6. the reverse osmosis water purifying plant with tail water energy saver according to claim 1, it is characterized in that: described former water has certain pressure when passing into, and enters pretreatment unit through the first reverse checkvalve (6), reducing valve after (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220471654 CN202865032U (en) | 2012-09-17 | 2012-09-17 | Reverse osmosis water purifying plant with tail water energy-saving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220471654 CN202865032U (en) | 2012-09-17 | 2012-09-17 | Reverse osmosis water purifying plant with tail water energy-saving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202865032U true CN202865032U (en) | 2013-04-10 |
Family
ID=48031768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220471654 Expired - Fee Related CN202865032U (en) | 2012-09-17 | 2012-09-17 | Reverse osmosis water purifying plant with tail water energy-saving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202865032U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114314702A (en) * | 2020-10-12 | 2022-04-12 | 北京国铁科林科技股份有限公司 | Tail water treatment ware |
-
2012
- 2012-09-17 CN CN 201220471654 patent/CN202865032U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114314702A (en) * | 2020-10-12 | 2022-04-12 | 北京国铁科林科技股份有限公司 | Tail water treatment ware |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203112610U (en) | reverse osmosis water purifier | |
| CN202139121U (en) | Water-purifying machine with reverse osmosis membrane | |
| CN103553233B (en) | Bucket-free water-saving water purifier | |
| CN204310876U (en) | Reverse osmosis system and water purifier | |
| CN104628172A (en) | Water purifier | |
| CN204625367U (en) | Water purifying equipment | |
| CN201648137U (en) | Water purifying system capable of supplying water according to quality | |
| CN203683178U (en) | Water purification system and water purifier comprising same | |
| CN203284834U (en) | Water supply system of pipeline direct drinking water | |
| CN104445668A (en) | Water purification device | |
| CN202754858U (en) | Water filter device | |
| CN202865032U (en) | Reverse osmosis water purifying plant with tail water energy-saving device | |
| CN201099627Y (en) | Water saving long acting -type pure water machine | |
| CN203768136U (en) | Scale-inhibition and corrosion-inhibition treatment system for gas drainage pump circulating water | |
| CN203545795U (en) | Water purification device | |
| CN204058142U (en) | Self-cleaning water treatment system | |
| CN203498188U (en) | Water purifier for water supply by different quality | |
| CN207187294U (en) | A kind of water purifier for adapting to boiler | |
| CN201737785U (en) | Ultrafiltering composite water purification system | |
| CN201596490U (en) | Emulsion preparation system | |
| CN204661473U (en) | A kind of desalination soft water and backpressure regulation temperature steady flow formula three grades of reverse osmosis water purifiers | |
| CN211644812U (en) | Water purification system | |
| CN208856960U (en) | A kind of backpurge system, counter-infiltration system and the water purifier of reverse osmosis filter core | |
| CN205850609U (en) | Reverse osmosis system and water purifying and drinking machine with same | |
| CN203144210U (en) | System capable of improving desalted water yield in winter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20150917 |
|
| EXPY | Termination of patent right or utility model |