CN207588407U - Isolated-phase enclosed bus UF membrane declines positive pressure devices - Google Patents
Isolated-phase enclosed bus UF membrane declines positive pressure devices Download PDFInfo
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- CN207588407U CN207588407U CN201721279348.4U CN201721279348U CN207588407U CN 207588407 U CN207588407 U CN 207588407U CN 201721279348 U CN201721279348 U CN 201721279348U CN 207588407 U CN207588407 U CN 207588407U
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Abstract
The isolated-phase enclosed bus UF membrane of the utility model declines positive pressure devices, the switch board air accumulator gas outlet connection electro connecting pressure gauge of control system, electro connecting pressure gauge is connected to polymeric hollow film gas-drying apparatus bottom through solenoid valve, grade one filter, secondary filter, tertiary filter successively, is respectively connected on the A phase, B phase, C phase three-phase bus shell of bus-bar system by air inlet pipe at the top of polymeric hollow film gas-drying apparatus；Pressure-measuring-point connects intelligent manometer on B phase bus shells, controls the start and stop of air compressor machine by the bound of electro connecting pressure gauge, it is ensured that have the air of adequate pressure in air accumulator always；In isolated-phase enclosed bus B phases shell, busbar pressure-measuring-point is set, send pressure signal to intelligent manometer on control cabinet panel, according to pressure condition in measurement busbar, control the operating status of air-channel system and gas-drying system, it is simple in structure, be easy to arrange and safeguard, drying effect it is good, with good investment, cost-effective.
Description
Technical field
The utility model is related to transmit a kind of isolated-phase enclosed bus UF membrane in electrical equipment technical field for electric energy
Decline positive pressure devices.
Background technology
Isolated-phase enclosed bus refers to that every phase has the enclosed busbar of independent metal shell, widely used at present female from mutually closing
Line is as the electric energy transfer device between transformer unit equipment；Isolated-phase enclosed bus shell is an independent confined space, when outer
When boundary's weather conditions or self-operating state change, as the relative humidity of air it is larger when, in isolated-phase enclosed bus metal
Condensation is easily generated on the inner surface and insulator surface of shell, makes apparatus insulated hydraulic performance decline, endangers the safe operation of system；
The prior art often inflates busbar using absorption type micro positive pressure device, and pressure in busbar is made to maintain one than external atmosphere pressure summary
Higher level forms micro-positive pressure, so as to which extraneous humid air be inhibited to enter mother by the installation joint on bus shell
Inside line；The capital equipment that absorption type micro positive pressure device uses be without hot dryer, without hot dryer mainly by two absorption towers,
Four Pneumatic valves, four solenoid valves and gas path pipe composition are controlled the switch of four solenoid valves by PLC respectively according to specific time sequence
State, so as to fulfill the output on two absorption towers, regeneration, pressurization, drying process, realize that drying is defeated by the switching of two towers
Enter the function of gas；The major defect of absorption type micro positive pressure device is control process complexity, and general technical staff cannot be complete
Its performance is grasped, in addition, electrical, the pneumatic component of device is more, high failure rate, gas circuit pipe joint part is susceptible to leakage
Gas phenomenon, the operation expense of device are higher.
Invention content
Technical problem to be solved in the utility model be to provide one kind is easy to arrange and safeguard, drying effect is good, investment
It saves, cost-effective isolated-phase enclosed bus UF membrane declines positive pressure devices.
The isolated-phase enclosed bus UF membrane of the utility model declines positive pressure devices, female including control system and bus-bar system
Linear system system includes A phase, B phase, C phase three-phase bus shell, and three-phase bus enclosure is installed A phases, B phases, C phase busbares and led respectively
Body, it is characterised in that：B phases bus shell sets busbar pressure-measuring-point, and pressure-measuring-point is connected to control system by pressure feedback pipe
Intelligent manometer on system control cabinet panel；
The switch board of control system is externally connected to air accumulator, and air accumulator air inlet is connected with air compressor machine by tracheae；Storage
Gas tank gas outlet is connected to the electro connecting pressure gauge in switch board by tracheae, and electro connecting pressure gauge is successively through solenoid valve, level-one
Filter, secondary filter, tertiary filter are connected to polymeric hollow film gas-drying apparatus bottom, polymeric hollow film gas
It is respectively connected on the A phase, B phase, C phase three-phase bus shell of bus-bar system by air inlet pipe at the top of drier；
At the top of the polymeric hollow film gas-drying apparatus between the A phase, B phase, C phase three-phase bus shell of bus-bar system
Pressure regulator valve, two-port valve are connected in air inlet pipe；
Position of the air inlet pipe at the top of polymeric hollow film gas-drying apparatus is also associated with built-in regeneration regulating valve,
Built-in regeneration regulating valve both ends are connected to air inlet pipe, on polymeric hollow film gas-drying apparatus side wall；
The polymeric hollow film gas-drying apparatus bottom is provided with vapor gas vent, grade one filter, secondary filtration
Device, tertiary filter bottom are connected separately with drainpipe；
It is connected with the first ball valve on the air accumulator and electro connecting pressure gauge junction tracheae, gas storage pot bottom is connected with the
Two ball valves；
The gas storage tank deck is also associated with safety valve；
The air inlet pipe, pressure feedback tube material are A1418 aluminum plastic composite pipe.
The isolated-phase enclosed bus UF membrane of the utility model declines positive pressure devices, reservoir outlet setting electric contact pressure
Table controls the start and stop of air compressor machine, it is ensured that have the air of adequate pressure in air accumulator always by the bound of electro connecting pressure gauge；
Busbar pressure-measuring-point is set in isolated-phase enclosed bus B phases shell, sends pressure signal to intelligence on control cabinet panel
Can pressure gauge, according to pressure condition in busbar is measured, the operating status of air-channel system and gas-drying system is controlled, in macromolecule
The molecule of various gases is adsorbed and is dissolved in the high pressure side surface of film first in empty film gas-drying apparatus compressed air, is then borrowed
Concentration gradient is helped to be spread in film, and the partial pressure difference formed in the inner cavity of doughnut fiber tube and exocoel is empty directly using compression
Motive force of gas itself pressure as separation steam, it is ensured that the gas pressure in busbar is always in the range of power plant requires；Knot
Structure is simple, be easy to arrange and safeguard, drying effect it is good, with good investment, cost-effective, control it is easy to operate, failure rate is low, significantly
Improve the reliability of device；The hyperfiltration technique that polymeric hollow film gas-drying apparatus uses is a brand-new edge section
Learn --- UF membrane science, it does not have to power supply, safe to use, compact-sized, saves space；It is energy-efficient, directly utilize compression
Motive force of the air pressure as separation steam itself, absolute dehydration efficiency is up to more than 99%, reachable -30 DEG C of dry air dew point
~-60 DEG C, service life is up to 8 years, without mechanical movement, also without chemical reaction, suitable for unattended and hazardous area.
Description of the drawings
Fig. 1 is that the isolated-phase enclosed bus UF membrane of the utility model embodiment declines positive pressure devices principle schematic diagram.
In figure：Air compressor machine 1, air accumulator 2, safety valve 3, the second ball valve 4, the first ball valve 5, electro connecting pressure gauge 6, solenoid valve
7th, grade one filter 8, secondary filter 9, tertiary filter 10, polymeric hollow film gas-drying apparatus 11, pressure regulator valve 12, two
Port valve 13, intelligent manometer 14, tracheae 15, switch board 16.
Specific embodiment
The positive pressure devices as shown in the figure, a kind of isolated-phase enclosed bus UF membrane declines, it is female including control system and bus-bar system
Linear system system includes A phase, B phase, C phase three-phase bus shell, and three-phase bus enclosure is installed A phases, B phases, C phase busbares and led respectively
Body, it is characterised in that：B phases bus shell sets busbar pressure-measuring-point, and pressure-measuring-point is connected to control by pressure feedback pipe 32
Intelligent manometer 14 on 16 panel of system control cabinet；
The switch board 16 of control system is externally connected to air accumulator 2, and 2 air inlet of air accumulator is connected with pneumatics by tracheae 15
Machine 1；2 gas outlet of air accumulator is connected to the electro connecting pressure gauge 6 in switch board 16 by tracheae 15, and electro connecting pressure gauge 6 is successively
Polymeric hollow film gas-drying apparatus 11 is connected to through solenoid valve 7, grade one filter 8, secondary filter 9, tertiary filter 10
Bottom, 11 top of polymeric hollow film gas-drying apparatus are respectively connected to the A phase, B phase, C phase of bus-bar system by air inlet pipe 34
On three-phase bus shell；
Between the top of polymeric hollow film gas-drying apparatus 11 and the A phase, B phase, C phase three-phase bus shell of bus-bar system into
Pressure regulator valve 12, two-port valve 13 are connected on tracheae 34；
Air inlet pipe 34 is also associated with built-in regeneration regulating valve close to the position at 11 top of polymeric hollow film gas-drying apparatus
31, built-in regeneration regulating valve 31 both ends are connected to air inlet pipe 34, on 11 side wall of polymeric hollow film gas-drying apparatus；
11 bottom of polymeric hollow film gas-drying apparatus is provided with vapor gas vent 23, grade one filter 8, secondary filtration
Device 9,10 bottom of tertiary filter are connected separately with drainpipe 20,21,22；
It is connected with the first ball valve 5 on air accumulator 2 and 6 junction tracheae of electro connecting pressure gauge, 2 bottom of air accumulator is connected with the
Two ball valves 4；
The top of air accumulator 2 is also associated with safety valve 3；
Air inlet pipe 34,32 material of pressure feedback pipe are A1418 aluminum plastic composite pipe.
The isolated-phase enclosed bus UF membrane of the utility model declines positive pressure devices, reservoir outlet setting electric contact pressure
Table controls the start and stop of air compressor machine, it is ensured that have the air of adequate pressure in air accumulator always by the bound of electro connecting pressure gauge；
Busbar pressure-measuring-point is set in isolated-phase enclosed bus B phases shell, sends pressure signal to intelligence on control cabinet panel
Can pressure gauge, according to pressure condition in busbar is measured, the operating status of air-channel system and gas-drying system is controlled, in macromolecule
The molecule of various gases is adsorbed and is dissolved in the high pressure side surface of film first in empty film gas-drying apparatus compressed air, is then borrowed
Concentration gradient is helped to be spread in film, and the partial pressure difference formed in the inner cavity of doughnut fiber tube and exocoel is empty directly using compression
Motive force of gas itself pressure as separation steam, it is ensured that the gas pressure in busbar is always in the range of power plant requires；Knot
Structure is simple, be easy to arrange and safeguard, drying effect it is good, with good investment, cost-effective, control it is easy to operate, failure rate is low, significantly
Improve the reliability of device；The hyperfiltration technique that polymeric hollow film gas-drying apparatus uses is a brand-new edge section
Learn --- UF membrane science, it does not have to power supply, safe to use, compact-sized, saves space；It is energy-efficient, directly utilize compression
Motive force of the air pressure as separation steam itself, absolute dehydration efficiency is up to more than 99%, reachable -30 DEG C of dry air dew point
~-60 DEG C, service life is up to 8 years, without mechanical movement, also without chemical reaction, suitable for unattended and hazardous area.
Specifically, air accumulator 2 is exported into the electro connecting pressure gauge 6 that gas circuit pressure signal is sent on 16 panel of switch board, led to
Cross the start and stop of the bound control air compressor machine 1 of electro connecting pressure gauge 6, it is ensured that have the air of adequate pressure in air accumulator 2 always.Separately
Outside, busbar pressure-measuring-point is set in isolated-phase enclosed bus B phases shell, pressure signal is sent on 16 panel of switch board
Intelligent manometer 14, according to pressure condition in busbar is measured, control the operating status of air-channel system and gas-drying system.When
When pressure in phaseisolated bus is less than the setting value lower limit of power plant's requirement, opens solenoid valve 7 and busbar is inflated, when the pressure in busbar
When power reaches the setting value upper limit of power plant's requirement, close solenoid valve 7 and stop inflating busbar；Such iterative cycles, it is ensured that busbar
Interior gas pressure is always in the range of power plant requires.When opening solenoid valve 7 inflates busbar, compressed air is taken up in order of priority
By grade one filter 8, secondary filter 9, tertiary filter 10, after filtering without liquid water, oil-free compressed air under
End socket enters polymeric hollow film gas-drying apparatus 11, and the molecule of various gases is adsorbed and is dissolved in film first in compressed air
High pressure side surface, then spread in film by concentration gradient, and formed in the inner cavity of doughnut fiber tube and exocoel
Partial pressure difference is directly by the use of compressed air pressure itself as the motive force of separation steam, when air is along hollow fibre filament tube cavity stream
When dynamic, preferentially through tube wall, remaining gas (such as nitrogen, oxygen) is opposite for solubility factor and the big gas (such as steam) of diffusion coefficient
It is obstructed, so as to achieve the purpose that separation.It is wet steam outside doughnut fiber tube, pressure is an atmospheric pressure, is in inner cavity
Dry air is flowed out through upper cover, and the overwhelming majority is depressurized by pressure regulator valve 12 and enters isolated-phase enclosed bus after two-port valve 13,
There is a small amount of dry air (about 10%) after the built-in regeneration regulating valve decompression at upper cover, steam dilution is then discharged to
In air.
The utility model sets one piece of electro connecting pressure gauge in reservoir outlet, passes through the bound control of electro connecting pressure gauge
The start and stop of air compressor machine processed, it is ensured that have the air of adequate pressure in air accumulator always.In addition, it is set in isolated-phase enclosed bus B phase shells
Busbar pressure-measuring-point is put, pressure signal is sent to intelligent manometer on control cabinet panel, according in measurement busbar
Pressure condition controls the operating status of air-channel system and gas-drying system.When the pressure in phaseisolated bus is required less than power plant
Setting value lower limit when, open solenoid valve to busbar inflate, when the pressure in busbar reach power plant requirement the setting value upper limit when,
Solenoid valve is closed to stop inflating busbar.Such iterative cycles, it is ensured that the gas pressure in busbar is always in the model of power plant's requirement
In enclosing.
The polymeric hollow film gas-drying apparatus of the utility model, the hyperfiltration technique used are a brand-new edge section
Learn --- UF membrane science, its service life was up to 8 years, it is without mechanical movement, also without chemical reaction, especially suitable for unattended
And hazardous area.It does not have to power supply, safe to use, compact-sized, saves space.It is energy-efficient, directly utilize compressed air sheet
Motive force of the body pressure as separation steam.Absolute dehydration efficiency is up to more than 99%, dry air dew point reachable -30 DEG C~-60
℃。
The utility model overcomes that absorption type micro positive pressure device is electrical, pneumatic element is more, and control is complicated, and high failure rate lacks
The reliability of device is greatly improved in point.
The advantages of the utility model and feature will carry out diagram reconciliation by the non-limitative illustration of preferred embodiment below
It releases, these embodiments, is only provided as an example with reference to attached drawing.
In addition to the implementation, the utility model can also have other embodiment, all to use equivalent replacement or equivalent change
The technical solution to be formed is changed, is all fallen in the protection domain of the requires of the utility model.
Claims (7)
- The positive pressure devices 1. a kind of isolated-phase enclosed bus UF membrane declines, including control system and bus-bar system, bus-bar system includes A Phase, B phases, C phase three-phase bus shells（33）, three-phase bus enclosure installs A phase, B phase, C phase bus-bars conductor, feature respectively It is：B phases bus shell sets busbar pressure-measuring-point, and pressure-measuring-point passes through pressure feedback pipe（32）It is connected to control system control Cabinet（16）Intelligent manometer on panel（14）；The switch board of control system（16）It is externally connected to air accumulator（2）, air accumulator（2）Air inlet passes through tracheae（15）It is connected with Air compressor machine（1）；Air accumulator（2）Gas outlet passes through tracheae（15）It is connected to switch board（16）Interior electro connecting pressure gauge（6）, electricity connects Point pressure table（6）Successively through solenoid valve（7）, grade one filter（8）, secondary filter（9）, tertiary filter（10）It connects supreme Molecule hollow membrane gas-drying apparatus（11）Bottom, polymeric hollow film gas-drying apparatus（11）Top passes through air inlet pipe（34）Respectively It is connected on the A phase, B phase, C phase three-phase bus shell of bus-bar system.
- 2. isolated-phase enclosed bus UF membrane declines positive pressure devices according to claim 1, it is characterised in that：In the macromolecule Empty film gas-drying apparatus（11）Air inlet pipe between top and the A phase, B phase, C phase three-phase bus shell of bus-bar system（34）Upper connection There is pressure regulator valve（12）, two-port valve（13）.
- 3. isolated-phase enclosed bus UF membrane declines positive pressure devices according to claim 1, it is characterised in that：The air inlet pipe （34）Close to polymeric hollow film gas-drying apparatus（11）The position at top is also associated with built-in regeneration regulating valve（31）, it is built-in again Raw regulating valve（31）Both ends are connected to air inlet pipe（34）, polymeric hollow film gas-drying apparatus（11）On side wall.
- 4. isolated-phase enclosed bus UF membrane declines positive pressure devices according to claim 1, it is characterised in that：In the macromolecule Empty film gas-drying apparatus（11）Bottom is provided with vapor gas vent（23）, grade one filter（8）, secondary filter（9）, three-level Filter（10）Bottom is connected separately with drainpipe（20、21、22）.
- 5. isolated-phase enclosed bus UF membrane declines positive pressure devices according to claim 1, it is characterised in that：The air accumulator （2）With electro connecting pressure gauge（6）The first ball valve is connected on the tracheae of junction（5）, air accumulator（2）Bottom is connected with the second ball valve （4）.
- 6. isolated-phase enclosed bus UF membrane declines positive pressure devices according to claim 1, it is characterised in that：The air accumulator （2）Top is also associated with safety valve（3）.
- 7. isolated-phase enclosed bus UF membrane declines positive pressure devices according to claim 1, it is characterised in that：The air inlet pipe （34）, pressure feedback pipe（32）Material is A1418 aluminum plastic composite pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721279348.4U CN207588407U (en) | 2017-09-30 | 2017-09-30 | Isolated-phase enclosed bus UF membrane declines positive pressure devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721279348.4U CN207588407U (en) | 2017-09-30 | 2017-09-30 | Isolated-phase enclosed bus UF membrane declines positive pressure devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207588407U true CN207588407U (en) | 2018-07-06 |
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ID=62728885
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721279348.4U Active CN207588407U (en) | 2017-09-30 | 2017-09-30 | Isolated-phase enclosed bus UF membrane declines positive pressure devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207588407U (en) |
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2017
- 2017-09-30 CN CN201721279348.4U patent/CN207588407U/en active Active
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