CN201034963Y - Reverse osmosis membrane on-line testing apparatus - Google Patents
Reverse osmosis membrane on-line testing apparatus Download PDFInfo
- Publication number
- CN201034963Y CN201034963Y CNU2007200682364U CN200720068236U CN201034963Y CN 201034963 Y CN201034963 Y CN 201034963Y CN U2007200682364 U CNU2007200682364 U CN U2007200682364U CN 200720068236 U CN200720068236 U CN 200720068236U CN 201034963 Y CN201034963 Y CN 201034963Y
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- reverse osmosis
- osmosis membrane
- mozzle
- sealing
- hole
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Abstract
The utility model discloses a reverse osmosis membrane online detecting device, including a slender honeycomb duct which is inserted at a prepared hole of the reverse osmosis membrane unit membrane tube waiting for detecting; a sealing piston which is sealing connected with the prepared hole of the membrane tube waiting for detecting and is provided with a pylome in the middle and a honeycomb dust therein; a fastening element with the pylome in the middle and the honeycomb dust therein and makes the sealing piston and the honeycomb duct. When in detecting, the utility model is fixed at the reverse osmosis membrane unit membrane tube waiting for detecting, and judges whether the reverse osmosis membrane is damaged at this position through detecting the conductivity of the water from the slender honeycomb duct out of the middle of the sealing piston. The utility model improves the detecting working efficiency of the reverse osmosis membrane, and reduces the consumption of the human resource and material resource in detecting work, at the same time, avoids the yield effect for the water product system manufacturing caused by the outage because of the off-line detecting of the reverse osmosis membrane.
Description
Technical field
The utility model relates to water technology, belongs to the pick-up unit of reverse osmosis membrane filtration water especially.
Background technology
Reverse osmosis membrane is a kind of treatment facility, in the existing reverse osmosis membrane pipe 6 reverse osmosis membranes is housed, and damaging always appears after a period of time is used in operation in reverse osmosis membrane inevitably.Show that producing on the quality is exactly to produce electrical conductivity of water to raise (being higher than 90 μ s/cm), produces water and shows as defective).According to prior art, in case take place to produce the situation that water conductivity is higher than 90 μ s/cm, will be out of service with producing the underproof unit of water earlier, many reverse osmosis membrane is pulled out from the film pipe respectively carry out offline inspection again.The subject matter that counter-infiltration unit offline inspection technology exists is:
1) the counter-infiltration unit is stopped transport to the yield effect of system aquatic products system generation because of offline inspection;
2) the detection equipment of offline inspection generation, the problem that human resources consumption is bigger;
3) problem of the water resources consumption that offline inspection produced (reverse osmosis membrane consumes 64 tons of softening waters);
5) problem (10 days) that the detection time that offline inspection produced is long.
6) can only detect single group film pipe, thereby and need the full group of transposing reverse osmosis membrane to cause the problem of reverse osmosis membrane waste;
At present, for the inline diagnosis of reverse osmosis membrane device defective, mainly adopt the method for residence time distribution.This method adopts NaCl as tracer agent, by the high-voltage pulse implantttion technique, be injected into rolling type reverse osmosis membrane device to be detected inlet in service, utilize conductivity meter to detect NaCl concentration curve over time then in film device exit, carry out numerical transformation by computing machine according to curve, can obtain film device defective characterization parameter D/uL, thereby obtain the information of film device defective.The major defect that the inline diagnosis method of this reverse osmosis membrane device defective exists is:
1) needs to drop into a set of equipment and be not suitable for larger reverse osmosis membrane system.
2) can only judge whether this group film pipe exists defective by the data variation curve that detects single group film pipe, can't detect the defective that the list in single group film pipe props up reverse osmosis membrane.
Summary of the invention
The purpose of this utility model provides a kind of reverse osmosis membrane on-line measuring device, and it need not offline inspection, and operation conditions that can online detection reverse osmosis membrane device can be avoided the consumption of water resource, improves system aquatic products amount.And time saving and energy saving, enhance productivity.
The technical solution of the utility model is:
A kind of reverse osmosis membrane on-line measuring device comprises:
1) an elongated mozzle is inserted in the preformed hole of counter-infiltration unit film pipe to be detected, and scale is arranged on the mozzle, and the length of mozzle is determined according to the model of reverse osmosis membrane.
2) sealing-plug is tightly connected with the preformed hole of film pipe to be detected, has through hole in the middle of it, and described mozzle wears wherein.The sealing plug is furnished with O-ring seal, overflows from the sealing-plug limit to prevent water.
3) tightening member has through hole in the middle of it, and described mozzle is located in this through hole, and this tightening member tightens together sealing-plug and mozzle, to prevent elongated mozzle axial float takes place when inserting the reverse osmosis membrane pipe.
Described sealing-plug is provided with external thread, is connected with internal thread on the film pipe preformed hole to be detected, and its center is furnished with internal thread and is used for being connected with tightening member.
Described tightening member comprises a coupling bolt and a set nut, this coupling bolt is a stud bolt, and the one end is connected with internal thread on the sealing-plug, and an other end is connected with set nut, have the through hole that wears mozzle in the middle of the bolt, this through-hole diameter ecto-entad is gradually little.
Described set nut has internal thread and sealing edge.Internal thread is connected with the external thread of coupling bolt, and sealing is positioned at the outside of elongated mozzle along being enclosed within the through hole of coupling bolt.Sealing is interfered along producing between coupling bolt through hole and elongated mozzle, because the diameter ecto-entad of the through hole of coupling bolt is gradually little, the minimum diameter of coupling bolt through hole is less than the diameter on set nut sealing edge and less than the diameter of elongated mozzle, so when the set nut insertion coupling bolt that is inserted with elongated mozzle and by after being threaded, elongated mozzle is lived by locking firmly.
Which anti-film existing problem of seeing through is located at scale on the described mozzle, inserts the length of reverse osmosis membrane pipe with mark, be thereby find out.
The utility model compared with prior art has the following advantages:
1. the yield effect of having avoided the counter-infiltration unit to stop transport system aquatic products system is produced because of offline inspection;
2. reduced the consumption of testing to manpower, equipment, water resource;
3. shorten the needed time of testing, improved work efficiency;
4. solve prior art and can only detect single problem of organizing the film pipe and needing the full reverse osmosis membrane waste of organizing reverse osmosis membrane and causing of transposing;
5. solved the problem that needs that existing online measuring technique exists drop into a set of equipment and are not suitable for larger reverse osmosis membrane system;
6. what solved existing online measuring technique existence can only judge whether this group film pipe exists defective by the data variation curve that detects single group film pipe, can't detect the problem that the list in single group film pipe props up reverse osmosis membrane.
Description of drawings
Fig. 1 is a reverse osmosis membrane on-line measuring device synoptic diagram;
Fig. 2 is the coupling bolt synoptic diagram of tightening member;
Fig. 3 is the set nut cross-sectional schematic of tightening member;
Fig. 4 is the set nut end view of tightening member.
Embodiment
Among the embodiment as shown in Figure 1, a kind of reverse osmosis membrane on-line measuring device comprises: sealing-plug 1, O-ring seal 2, transparent plastic mozzle 3, coupling bolt 4, set nut 5.
Sealing-plug 1 is provided with external thread, is tightly connected with the internal thread of the preformed hole of film pipe to be detected, and inside is furnished with internal thread and is connected with coupling bolt 4.Have through hole in the middle of the sealing-plug 1, mozzle 3 wears wherein, and water can flow out from the mozzle 3 in penetrating sealing-plug 1.
Sealing-plug 1 is furnished with O-ring seal 2, is enclosed within the outside of sealing-plug 1, plays the effect of sealing when sealing-plug 1 screws in film pipe reserved opening.On the mozzle 3 scale is arranged, its length is according to the difference of reverse osmosis membrane model and difference.During online detection, mozzle 3 is inserted in the counter-infiltration unit film pipes, judge the position that this pick-up unit inserts by the scale marker on the transparent plastic mozzle 3, the water in the reverse osmosis membrane pipe infiltrates through in the mozzle 3 of hollow.
Tightening member comprises coupling bolt 4 (Fig. 2) and set nut 5, and (Fig. 3-Fig. 4), this tightening member tightens together sealing-plug 1 and mozzle 3, prevents that mozzle 3 from axial float taking place when inserting the reverse osmosis membrane pipe.Coupling bolt 4 is a stud bolt, and the one end is connected with internal thread on the sealing-plug 1 by external thread 41, and an other end passes through external thread 41 and is connected with the internal thread 51 of set nut 5, and the centre has the through hole 42 that wears mozzle 3, and its diameter ecto-entad is gradually little.Set nut 5 has internal thread 51 and seals along 52.Internal thread 51 is connected with the external thread 41 of coupling bolt 4, and sealing is enclosed within the through hole 42 of coupling bolt 4 along 52, is positioned at the outside of mozzle 3.Because the through hole 42 diameter ecto-entads of coupling bolt 4 are gradually little, and its minimum diameter less than set nut 5 sealing along 52 diameter and less than the diameter of mozzle 3, so when the set nut 5 insertion coupling bolts 4 that are inserted with mozzle 3 and by after being threaded, mozzle 3 is firmly locked.
When connecting this device, earlier transparent plastic mozzle 3 is inserted in the set nut 5, then set nut 5 is connected in the coupling bolt 4 by internal thread 51, again coupling bolt 4 is fixed on the internal thread of sealing-plug 1 by its external thread 41, thereby finishes the connection of a kind of reverse osmosis membrane on-line measuring device of the utility model.
Online testing process is as follows:
1) stop the operation of counter-infiltration unit earlier, the reserved opening on the water inlet of a certain film pipe on the unit is opened, at this moment have a spot of water and flow out from access hole, because pressure is less, current are also less.
2) this pick-up unit is inserted the counter-infiltration unit, then screwing hermetic plug 1 is fixed on device on the film pipe.
3) unclamp set nut 5 on the sealing-plug 1, come judgment means to insert the product mouth of a river of which root series connection person's permeable membrane with the scale marker on the device (scale marker changes with the size difference of reverse osmosis membrane), then screw tightening member, open the counter-infiltration unit.
4) flow out the transparent plastic mozzle 3 that water can be exposed from sealing-plug 1 center of hollow.This water is the product water of corresponding reverse osmosis membrane, utilizes portable conductivity detector to detect this product electrical conductivity of water, illustrates that the reverse osmosis membrane of this position damages if produce electrical conductivity of water unusual (surpassing 90 μ s/cm).
5) under the situation that does not stop the operation of counter-infiltration unit, unclamp set nut 5, adjust the position of inserting the transparent plastic mozzle 3 in the reverse osmosis membrane pipe, detect the situation of other several reverse osmosis membranes in same the reverse osmosis membrane pipe.
Claims (4)
1. reverse osmosis membrane on-line measuring device is characterized in that comprising:
One elongated mozzle is inserted in the preformed hole of counter-infiltration unit film pipe to be detected;
One sealing-plug is tightly connected with the preformed hole of film pipe to be detected, has through hole in the middle of it, and described mozzle is located in wherein;
One tightening member has through hole in the middle of it, and described mozzle is located in this through hole, and this tightening member tightens together sealing-plug and mozzle.
2. reverse osmosis membrane on-line measuring device as claimed in claim 1 is characterized in that: described sealing-plug is provided with external thread, is connected with interior spiral shell on the film pipe preformed hole to be detected.
3. reverse osmosis membrane on-line measuring device as claimed in claim 2, it is characterized in that: described tightening member comprises a coupling bolt and a set nut, this coupling bolt is a stud bolt, the one end is connected with internal thread on the sealing-plug, have the through hole that wears mozzle in the middle of the bolt, this through-hole diameter ecto-entad is gradually little; Be provided with a sealing edge in the described set nut, when set nut is connected with coupling bolt, sealing is along in the through hole that is enclosed within on the coupling bolt, and be positioned at the outside of elongated mozzle, tighten set nut, sealing is interfered along producing between coupling bolt through hole and elongated mozzle, mozzle is locked in the through hole of coupling bolt.
4. reverse osmosis membrane on-line measuring device as claimed in claim 3 is characterized in that: described elongated mozzle is provided with scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200682364U CN201034963Y (en) | 2007-03-27 | 2007-03-27 | Reverse osmosis membrane on-line testing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200682364U CN201034963Y (en) | 2007-03-27 | 2007-03-27 | Reverse osmosis membrane on-line testing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201034963Y true CN201034963Y (en) | 2008-03-12 |
Family
ID=39195853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200682364U Expired - Fee Related CN201034963Y (en) | 2007-03-27 | 2007-03-27 | Reverse osmosis membrane on-line testing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201034963Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101957335A (en) * | 2010-09-03 | 2011-01-26 | 北京倍杰特国际环境技术有限公司 | Method and tool for detecting abnormality of water produced inside reverse osmotic membrane casing |
| CN110386640A (en) * | 2019-05-05 | 2019-10-29 | 启成（江苏）净化科技有限公司 | A kind of counter-infiltration system on-line checking leakage salt device and detection method |
| CN110523289A (en) * | 2019-09-11 | 2019-12-03 | 上海丰信环保科技有限公司 | A kind of detection device and its application method of the on-line checking reverse-osmosis membrane element performance of simplicity |
-
2007
- 2007-03-27 CN CNU2007200682364U patent/CN201034963Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101957335A (en) * | 2010-09-03 | 2011-01-26 | 北京倍杰特国际环境技术有限公司 | Method and tool for detecting abnormality of water produced inside reverse osmotic membrane casing |
| CN110386640A (en) * | 2019-05-05 | 2019-10-29 | 启成（江苏）净化科技有限公司 | A kind of counter-infiltration system on-line checking leakage salt device and detection method |
| CN110523289A (en) * | 2019-09-11 | 2019-12-03 | 上海丰信环保科技有限公司 | A kind of detection device and its application method of the on-line checking reverse-osmosis membrane element performance of simplicity |
| CN110523289B (en) * | 2019-09-11 | 2021-07-27 | 上海丰信环保科技有限公司 | Simple and convenient detection equipment for detecting performance of reverse osmosis membrane element on line and use method thereof |
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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: 20080312 Termination date: 20160327 |
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| CF01 | Termination of patent right due to non-payment of annual fee |