CN205598978U - Air purge pipeline structure in ultrafiltration system - Google Patents
Air purge pipeline structure in ultrafiltration system Download PDFInfo
- Publication number
- CN205598978U CN205598978U CN201620282905.7U CN201620282905U CN205598978U CN 205598978 U CN205598978 U CN 205598978U CN 201620282905 U CN201620282905 U CN 201620282905U CN 205598978 U CN205598978 U CN 205598978U
- Authority
- CN
- China
- Prior art keywords
- air inlet
- inlet pipe
- intake pipe
- elbow
- horizontal
- 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.)
- Active
Links
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses an air purge pipeline structure in ultrafiltration system is connected with the milipore filter, its characterized in that: including main intake pipe, horizontal intake pipe and vertical intake pipe, the perpendicular connection of middle part of main intake pipe and vertical intake pipe, horizontal intake pipe and main intake pipe parallel arrangement, the middle part of vertical intake pipe and horizontal intake pipe is connected, and the tip of two adjacent horizontal intake pipe passes through the connecting piece connection. The utility model discloses improve the structure of ultrafiltration system admission line, strengthened the air purge effect of a whole set of ultrafiltration system, resumeed ultrafiltration membrane flux fast, can prolong the system water cycle, economy system water for washing. The utility model discloses can effectively avoid leading to the disconnected silk phenomenon of milipore filter because of local air purge pressure is too big to the operation maintenance cost of economy system. Additionally, the utility model has the advantages of simple structure, installation convenient to use, operating procedure is simple, has fine practicality.
Description
Technical field
This utility model belongs to water treatment field, specifically, relates to the air purge pipeline configuration of the medium-and-large-sized ultrafiltration system of pretreating process of the system such as ultra-pure water, Treated sewage reusing.
Background technology
At present, along with industry and the development of science and technology, ultrapure water system by large-scale application, implements energy-saving and emission-reduction along with country simultaneously, and to the highest attention of environmental problem and attention, Treated sewage reusing project is also starting the most on a large scale.And the range of application of ultrafiltration is quite varied in ultra-pure water and intermediate water reuse system pretreating process.
Over nearly 30 years, the development of the hyperfiltration technique in pretreating process is extremely rapid, not only has original effect in terms of the separation of special solution, and also uses more and more in terms of industrial water supply.Such as in the preparation of desalinization, pure water and high purity water, ultrafiltration can be as pre-processing device, it is ensured that the long-term safety stable operation of the follow-up equipments such as reverse osmosis.In food and drink, mineral water produce, ultrafiltration has also played important function.The most efficiently, application ultrafiltration apparatus has become the much-talked-about topic of water treatment field economically.
Hereinafter ultra-pure water and the intermediate water reuse system of the pretreating process of application hyperfiltration technique are referred to as ultrafiltration system.Ultrafiltration system, in actual moving process, be carried out frequently.The cleaning way of ultrafiltration includes just the washing of water, backwash, air purge, and disperse chemical cleans, Chemical cleaning etc..The most just wash, backwash can remove the cake layer of face, and air purge then utilizes the strength turbulence of mixing wastewater with air liquid, more effectively removes the pollution layer on film surface, and the quality of air purge effect is directly connected to the recovery of ultrafilter membrane flux.At present, ultrafiltration system is in actual application, and the structure typically all accompanying drawing 1(of the air purge pipeline of relatively large ultrafiltration is shown in accompanying drawing) shown in mode, such pipeline configuration, when ultrafiltration apparatus carries out air purge, ultrafilter membrane admission pressure equalizes not.Effective (intensity during ultrafiltration air purge of ultrafilter membrane air purge near main air inlet pipe position, ear can be used at the scene to be close to ultrafilter membrane shell, listen sound during air purge to judge its intensity), ultrafilter membrane then air purge effect away from air inlet supervisor position is too much because pipeline pressure declines, and do not reach preferable effect, if wanting to allow the ultrafilter membrane of end also obtain good air purge effect, it is typically all by regulation air relief valve, increase the admission pressure of main admission line, but there is certain risk in this mode of operation, ultrafiltration membrane technique handbook there is strict regulation for admission pressure during air purge, during air purge, admission pressure should be less than 2.5BAR.Because excessive admission pressure will cause ultrafilter membrane fracture of wire phenomenon to occur.
Utility model content
Therefore, for above-mentioned problem, the utility model proposes the air purge pipeline configuration in a kind of ultrafiltration system, the structure of the air purge pipeline of ultrafiltration system medium-and-large-sized to existing pretreating process improves, the admission pressure of each ultrafilter membrane during ultrafiltration system air purge is made more to equalize, it is prevented effectively from and causes because partial admission's pressure is excessive ultrafilter membrane fracture of wire phenomenon to occur, improve the situation that admission line terminal pressure is not enough simultaneously.
In order to solve above-mentioned technical problem, this utility model be employed technical scheme comprise that, a kind of air purge pipeline configuration in ultrafiltration system, it is connected with ultrafilter membrane, it includes main air inlet pipe, horizontal air inlet pipe and longitudinal air inlet pipe, and main air inlet pipe is vertical with the middle part of longitudinal air inlet pipe to be connected, and horizontal air inlet pipe be arranged in parallel with main air inlet pipe, the middle part of longitudinal air inlet pipe and horizontal air inlet pipe connects, and the end of adjacent two horizontal air inlet pipe is connected by connector.Laterally air inlet pipe can be arranged in pairs, and realizes said structure to facilitate.
Described connector includes the first elbow, the second elbow and connecting tube, and one end of connecting tube is connected by the end of the first elbow and a horizontal air inlet pipe；The other end of connecting tube is connected by the end of the second elbow and adjacent horizontal air inlet pipe.
Wherein, the first elbow and the second elbow are tubular structure, and the bending radius of the first elbow and the second elbow is less than or equal to 1.5 times of its caliber.
Longitudinal air inlet pipe and horizontal air inlet pipe can be vertical connections, or bent angle connects.In order to optimize structure, improve admission line terminal pressure, preferably, the horizontal air inlet pipe being positioned at longitudinal air inlet pipe end is that bent angle is connected with its (longitudinal air inlet pipe), and the horizontal air inlet pipe near longitudinal air inlet pipe centre position is vertical connection with its (longitudinal air inlet pipe).
Further, described horizontal air inlet pipe and longitudinal air inlet pipe are provided with evenly spaced flexible pipe, for connecting the air inlet of ultrafilter membrane.
This utility model improves the structure of ultrafiltration system admission line, strengthens the air purge effect of a whole set of ultrafiltration system, the flux of fast quick-recovery ultrafilter membrane, can extend the controlling the water circulation cycle, saves cleaning systems water.This utility model can be prevented effectively from and cause ultrafilter membrane fracture of wire phenomenon because local air purge pressure is excessive, thus saves the operation maintenance cost of system.It addition, simple in construction of the present utility model, easy to install, operating procedure are simple, there is good practicality.
Accompanying drawing explanation
Fig. 1 is that schematic diagram arranged by existing ultrafiltration apparatus admission line.
Fig. 2 arranges schematic diagram for ultrafiltration apparatus admission line after improving.
Detailed description of the invention
In conjunction with the drawings and specific embodiments, this utility model is further illustrated.
The structure of ultrafiltration air purge pipeline is as it is shown in figure 1, it includes main air inlet pipe 10, longitudinal air inlet pipe 20 and horizontal air inlet pipe 30 at present, and the end of its horizontal air inlet pipe 30 is free end, and existing this structure causes ultrafilter membrane admission pressure unbalanced.Inventor is through the most constantly thinking, theoretical derivation and actual practice, finally find, as long as pipeline being linked together by the end of adjacent two admission lines by elbow by accompanying drawing 2, admission pressure with adjust before the same in the case of, the ultrafilter membrane air purge effect of end and the air purge effect closely (when ear is adjacent to ultrafiltration putamina, sound intensity is closely) of close air inlet supervisor.Finding, even if in the case of little before admission pressure is transferred to improve than pipeline, the air purge effect of end ultrafilter membrane is all better than before improving simultaneously.
Fig. 2 is the admission line structural representation of the present embodiment, as a specific embodiment, air purge pipeline configuration in ultrafiltration system of the present utility model is as shown in the figure, a kind of air purge pipeline configuration in ultrafiltration system, it is connected with ultrafilter membrane, it includes main air inlet pipe 1, longitudinal air inlet pipe 2 and horizontal air inlet pipe 3, main air inlet pipe 1 is vertical with the middle part of longitudinal air inlet pipe 2 to be connected, laterally air inlet pipe 3 be arranged in parallel with main air inlet pipe 1, the middle part of longitudinal air inlet pipe 2 and horizontal air inlet pipe 3 connects, and the end of adjacent two horizontal air inlet pipe 3 is connected by connector 4.Wherein, horizontal air inlet pipe 3 can be arranged in pairs, and realizes said structure to facilitate.
In the present embodiment, connector 4 includes the first elbow the 41, second elbow 42 and connecting tube 43, and one end of connecting tube 43 is designated as the first horizontal air inlet pipe by the first elbow 41 and horizontal air inlet pipe 3() end connect；The other end of connecting tube 43 is by the adjacent horizontal air inlet pipe of the second elbow 42 and adjacent horizontal air inlet pipe 3(that is first laterally air inlet pipe) end connect.
Wherein, the first elbow 41 and the second elbow 42 are tubular structure, and the bending radius of the first elbow 41 and the second elbow 42 is less than or equal to 1.5 times of its caliber.
Longitudinal air inlet pipe 2 and horizontal air inlet pipe 3 can be vertical connections, or bent angle connects.In order to optimize structure, improve admission line terminal pressure, in the present embodiment, the horizontal air inlet pipe 3 being positioned at longitudinal air inlet pipe 2 end is that bent angle is connected with longitudinal air inlet pipe 2, and the horizontal air inlet pipe 3 near longitudinal air inlet pipe 2 centre position is vertical connection with longitudinal air inlet pipe 2.
It addition, see Fig. 2, horizontal air inlet pipe 3 and longitudinal air inlet pipe 2 are equipped with evenly spaced flexible pipe 5, for connecting the air inlet of ultrafilter membrane.
Said structure of the present utility model, is to design in the specification having consulted related pressure pipeline technology design aspect.According to part 2 single-phase flow (compressible fluid) computational methods in People's Republic of China's industry standard HG/T20570-95 " process system engineering design technology regulation ", the calculating being generally used for compressed air piping uses Hai Ruisishi.
Specific as follows:
In formula:
Pf partial drop of pressure kPa, L duct length m, VG gas volume flow velocity m3/s, d pipe diameter m, Pm gas average pressure kPa, Pm=(P1+P2)/2kPa, P1 admission line forefront pressure kPa, P2 admission line terminal pressure kPa, to find out that partial drop of pressure (Pf) and gas average pressure (Pm) are in negative linear relationship in terms of above formula, i.e. Pm is the biggest, and Pf is the least.
According to above-mentioned principle, after ultrafiltration gas distributing pipeline improves, the effect of end ultrafilter membrane air purge is fine, this is because after the end of horizontal admission line is linked together, air pressure in whole gas distributing pipeline tends to equilibrium, terminal pressure P2 ratio is big before being not connected with, and gas average pressure Pm value increases, and partial drop of pressure reduces.It is to say, gas distributing pipeline end is linked together, can effectively reduce the piping loss of ultrafiltration air purge gas handling system, thus serve the effect of balance admission pressure.Based on described in such scheme, pipeline configuration of the present utility model well solves the ultrafiltration system unbalanced problem of air purge admission pressure.
The above, be only this utility model preferred embodiments, and the present invention not does the restriction of other forms, and any those skilled in the art are changed possibly also with the technology contents of the disclosure above or are modified as equivalent variations Equivalent embodiments.But every without departing from technical solution of the present invention content, the technical spirit of the foundation present invention, to any simple modification made for any of the above embodiments, equivalent variations and remodeling, still falls within technical solution of the present invention protection domain.
Claims (5)
1. the air purge pipeline configuration in a ultrafiltration system, it is connected with ultrafilter membrane, it is characterized in that: include main air inlet pipe, horizontal air inlet pipe and longitudinal air inlet pipe, main air inlet pipe is vertical with the middle part of longitudinal air inlet pipe to be connected, laterally air inlet pipe be arranged in parallel with main air inlet pipe, the middle part of longitudinal air inlet pipe and horizontal air inlet pipe connects, and the end of adjacent two horizontal air inlet pipe is connected by connector.
Air purge pipeline configuration in a kind of ultrafiltration system the most according to claim 1, it is characterised in that: described connector includes the first elbow, the second elbow and connecting tube, and one end of connecting tube is connected by the end of the first elbow and a horizontal air inlet pipe；The other end of connecting tube is connected by the end of the second elbow and adjacent horizontal air inlet pipe.
Air purge pipeline configuration in a kind of ultrafiltration system the most according to claim 2, it is characterised in that: described first elbow and the second elbow are tubular structure, and the bending radius of the first elbow and the second elbow is respectively less than 1.5 times equal to its caliber.
4. according to the air purge pipeline configuration in a kind of ultrafiltration system described in claim 1 or 2 or 3, it is characterized in that: the horizontal air inlet pipe being positioned at longitudinal air inlet pipe end is that bent angle is connected with longitudinal air inlet pipe, and the horizontal air inlet pipe near longitudinal air inlet pipe centre position is vertical connection with longitudinal air inlet pipe.
5. according to the air purge pipeline configuration in a kind of ultrafiltration system described in claim 1 or 2 or 3, it is characterised in that: it is equipped with evenly spaced flexible pipe in described horizontal air inlet pipe and longitudinal air inlet pipe, for connecting the air inlet of ultrafilter membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620282905.7U CN205598978U (en) | 2016-04-07 | 2016-04-07 | Air purge pipeline structure in ultrafiltration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620282905.7U CN205598978U (en) | 2016-04-07 | 2016-04-07 | Air purge pipeline structure in ultrafiltration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205598978U true CN205598978U (en) | 2016-09-28 |
Family
ID=56965566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620282905.7U Active CN205598978U (en) | 2016-04-07 | 2016-04-07 | Air purge pipeline structure in ultrafiltration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205598978U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109078373A (en) * | 2018-07-02 | 2018-12-25 | 国核电力规划设计研究院有限公司 | Wind backwash unit and its method, filter cleaning system for filter |
-
2016
- 2016-04-07 CN CN201620282905.7U patent/CN205598978U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109078373A (en) * | 2018-07-02 | 2018-12-25 | 国核电力规划设计研究院有限公司 | Wind backwash unit and its method, filter cleaning system for filter |
| CN109078373B (en) * | 2018-07-02 | 2020-08-18 | 国核电力规划设计研究院有限公司 | Air backwashing unit for filter, method thereof and filter cleaning system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205045912U (en) | Two water family expenses water purifier | |
| CN205598978U (en) | Air purge pipeline structure in ultrafiltration system | |
| CN204193794U (en) | A kind of milipore filter water purification assembly with water jet device flusher | |
| CN205556171U (en) | Multistage milipore filter festival water purification system | |
| CN205099413U (en) | Reverse osmosis water treatment equipment | |
| CN204294125U (en) | A kind of simple and practical membrane for water treatment testing arrangement | |
| CN2910907Y (en) | Water treatment equipment able to recover total concentration water | |
| CN207259295U (en) | Residential building sub-prime water system | |
| CN206725280U (en) | A kind of pressure piping sampling apparatus | |
| CN103566770A (en) | Water-gas mixed reverse osmosis membrane offline cleaning device | |
| CN207576747U (en) | One kind prevents paint slag precipitation pipeline structure | |
| CN204039160U (en) | Reverse osmosis water purifier | |
| CN204469550U (en) | A kind of ceramic membrane filter device | |
| CN203123841U (en) | Multi-unit integrated detection equipment | |
| CN207361955U (en) | Povidone recovery system in a kind of waste water | |
| CN207129990U (en) | Nanofiltration membrane device is used in a kind of industrial strong brine processing | |
| CN205570111U (en) | Reverse osmosis cleaning equipment | |
| CN204380517U (en) | A kind of reverse osmosis membrane apparatus | |
| CN104843909B (en) | Ultra-pure water treatment system | |
| CN206915840U (en) | A kind of sliceable gas collection macropore aerator for submerged membrane | |
| CN202022778U (en) | Reverse osmosis or nanofiltration concentrated water recovery device for pipeline direct drinking water treatment system | |
| CN209292088U (en) | A kind of full-automatic online backwashing ultrafiltration-nanofiltration combined treatment water purifier | |
| CN204365150U (en) | Cleaning ao film device | |
| CN104689719A (en) | Air-blast-available external pressure type hollow fiber membrane module with one fixed end | |
| CN212476208U (en) | Water-saving water purifying equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |