CN204872290U - Multi -functional alarm type oil storage tank vacuum seal device - Google Patents
Multi -functional alarm type oil storage tank vacuum seal device Download PDFInfo
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- CN204872290U CN204872290U CN201520419854.3U CN201520419854U CN204872290U CN 204872290 U CN204872290 U CN 204872290U CN 201520419854 U CN201520419854 U CN 201520419854U CN 204872290 U CN204872290 U CN 204872290U
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- 238000003860 storage Methods 0.000 title claims abstract description 79
- 238000012544 monitoring process Methods 0.000 claims abstract description 53
- 238000001035 drying Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 29
- 239000002274 desiccant Substances 0.000 claims description 17
- 238000005086 pumping Methods 0.000 claims description 17
- 238000001914 filtration Methods 0.000 claims description 13
- 238000000926 separation method Methods 0.000 claims description 13
- 239000000446 fuel Substances 0.000 claims description 9
- 238000009835 boiling Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 7
- 230000014759 maintenance of location Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 272
- 239000003990 capacitor Substances 0.000 description 25
- 239000007789 gas Substances 0.000 description 22
- 238000000034 method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 210000004907 gland Anatomy 0.000 description 5
- 235000015927 pasta Nutrition 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- HSFWRNGVRCDJHI-UHFFFAOYSA-N Acetylene Chemical compound C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000010724 circulating oil Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Drying Of Gases (AREA)
Abstract
The utility model discloses a multi -functional alarm type oil storage tank vacuum seal device (b), (b) installs and use portably including sealed bottom, minipump, oil level monitoring alarm control system, vacuum watch -dog, air dryer, only needs simply install on the manhole of simple and easy horizontal oil storage tank, just can promote simple and easy horizontal oil storage tank each item performance fast. Make it possess little vacuum negative pressure oil storage, vacuum linkage oiling, the automatic removal moisture drying of admitting air, expire functions such as oily auto -stop to angular distance oil strain, automatic real -time oil level monitoring alarm, oiling equipment greatly. And can realize the all -weather on -the -spot oil processing to insulating oil, and the on -the -spot storage of the insulating oil of messenger, oil strain, oil level monitoring no longer receive the influence of operation weather, ambient temperature, ambient temperature, and effective retention time who prolongs insulating oil improves on -the -spot oil processing work efficiency.
Description
Technical field
The utility model relates to a kind of petrol storage tank sealing arrangement, particularly a kind of multi-functional, alarming formula petrol storage tank vacuum seal.
Background technology
In oil treatment in electric system work, often need to carry out filtration in-situ process and storage to capacitor oil, but a large amount of simple and easy horizontal petrol storage tank ubiquity used at Overhaul site is bad without grease proofing deteriorated measure, leak tightness, oil strain weak effect, accurately cannot monitor the problems such as hand-dipping.
Due to reasons in structure, simple and easy horizontal petrol storage tank is taked simple and easy shutoff to be directly sealed in tank by capacitor oil to store usually.In storage process, the oxygen in the air in oil tank and moisture are absorbed by capacitor oil and impel capacitor oil quick aging.Owing to not having oil level gauge, when observing inner oil level, can only adopt and open petrol storage tank top manhole plate by manual observation to judge the height of oil level in tank, the dust in external environment, dirt are very easily brought in tank and are polluted capacitor oil by this way.And be also the oil outlet pipe of oil filter is directly put into tank from opener's port lid carry out when carrying out oil processing.This petrol storage tank inside also makes on-the-spot oil strain be subject to the extreme influence of operation weather, ambient humidity with the oil processing mode that external environment directly communicates.Particularly when capacitor oil injects petrol storage tank, due to the impact that capacitor oil falls, the air in external environment and moisture dissolve in oil in a large number, make capacitor oil occur more filtering the lower phenomenon of dielectric strength.
When ambient temperature raises, be enclosed in the capacitor oil of oil tank inside and volume of air and be heated simultaneously and sharply expand, pressure is applied to tank body.The pressure that sharply cannot increase for oil tank inside due to fully enclosed tank body provides pressure release passage or volume compensation, often causes tank body to seal destroyed, causes capacitor oil serious aging and make moist.Not only have impact on on-the-spot capacitor oil and store treatment effect, add the work capacity of oil service work personnel, also badly influence the progress of on-the-spot oil-filled equipment maintenance.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art part, and provides a kind of without the need to carrying out large change to existing petrol storage tank, just can realize the multi-functional, alarming formula petrol storage tank vacuum seal existing petrol storage tank being carried out to micro-vacuum Negative pressure.
A kind of multi-functional, alarming formula petrol storage tank vacuum seal, include sealing bottom, minipump, oil level monitoring alarm control system, degree of vacuum monitor, air dryer, described seal cover cap is consistent with the size specification of oil tank manhole lid, seal cover cap is provided with air extractor vent and fuel feed hole, air extractor vent is provided with gas circuit union, fuel feed hole is provided with oil inlet, gas circuit union divides two-way to be connected with air dryer and vacuum pump respectively, oil inlet extend into petrol storage tank inner chamber by the fuel feed hole on sealing bottom, telescopic oil tube is provided with in petrol storage tank, telescopic oil tube is connected with oil inlet, the oil inlet exposing to sealing bottom is provided with oil-feed electromagnetic valve, described oil level monitoring alarm control system includes oil level monitoring alarm main control system, oil level indicator and the full oily auto-stop float switch of oiling equipment, described oil level indicator includes oil level indicator read-out, oil level instruction ball float and oil level ball float position signal transmitter, oil level instruction ball float is connected with oil level ball float position signal transmitter, oil level indicator read-out is connected with oil level ball float position signal transmitter, oil level ball float position signal transmitter is connected by signal wire (SW) with the full oily auto-stop float switch of oiling equipment, oil level indicator is then connected with oil level monitoring alarm main control system by signal wire (SW), and oil level instruction ball float and the full oily auto-stop float switch of oiling equipment are positioned at petrol storage tank inner chamber, the input channel of air dryer is provided with air inlet electromagnetic valve, the delivery channel of air dryer is provided with cut-off electromagnetic valve, gas circuit union is provided with degree of vacuum monitor, passage between gas circuit union and vacuum pump is provided with vacuum solenoid, oil inlet is provided with oil-feed electromagnetic valve.
During use, removed by original for simple and easy horizontal petrol storage tank top manhole plate, oil level instruction ball float vacuum seal covered and the full oily auto-stop float switch of oiling equipment, telescopic oil tube put into oil tank inside.The pull-out of telescopic oil tube moving part, until top is to the tank skin with oil cock offside, with oil pipe fixed mount, it is fastening.Reexamine oil level instruction ball float close at the bottom of tank, with bolt, whole vaccum gland bonnet is fastened on oil tank manhole after putting seal ring well.The 220V working power of oil level monitoring alarm main control system, minipump is connected; with oiling equipment full oily shutdown control signal line, oil level monitoring alarm control system main frame is communicated with the shutdown control loop of oiling equipment again, namely completes the installation of whole vaccum gland bonnet.
When petrol storage tank starts oiling, start " oiling/circulation " key of oil level monitoring alarm control system, the vacuum pump electromagnetic valve that vacuum seal covers by control system automatically and oil-feed electromagnetic valve are opened, and start vacuum pump simultaneously and vacuumize oil tank inside, now can to oiling in oil tank.Along with the rising of pasta in oiling process, the moisture of oil tank inside is discharged rapidly by vacuum pump, avoids air and moisture to the intrusion of fluid.When the inner oil level of oil tank is prescribed a time limit close on oil level ball float position signal transmitter, oil level monitoring alarm control system sends alerting signal, can stop oiling.As do not stopped oiling then when oil level continues to rise and reaches the full oily auto-stop float switch trigger value of oiling equipment, control system starts automatic by oiling equipment downtime.
After oiling, as carried out circulating oil filtering process in oil tank inside, then " oiling/circulation " key still starting oil level monitoring alarm control system keeps oil-feed electromagnetic valve, vacuum solenoid and vacuum pump to open, and continues to vacuumize to pasta upper space in oil tank.Then after extracting the capacitor oil in tank out after filtration process with oil filter from tank bottom oil cock, then by oil-feed electromagnetic valve and telescopic oil tube, oil is re-injected in oil tank.Because oil inlet have been extended to the summit at oil tank diagonal angle by the telescopic oil tube of seal cover cap, extend the diagonal distance of oil circulation, eliminate the dead angle of filtration, improve cycle efficiency, add that whole oil strain treating process carries out all the time under micro-vacuum closed environment, there is no the interference of air and moisture, oil strain effect is improved significantly.
When capacitor oil handle well need store time, press " storage " key of monitored control system, control system automatically by other closed electromagnetic valve, open vacuum solenoid start vacuum pump pasta upper space in oil tank is vacuumized.Start when degree of vacuum reaches setting value (0.04Mpa) final vacuum degree monitor, closed by vacuum solenoid, vacuum pump is shut down simultaneously, and oil tank enters hermetically sealed vacuum oil storage state.In storage process when degree of vacuum in oil tank declines and lower than degree of vacuum monitor setting value (0.04Mpa), automatically vacuum solenoid is opened by control system, start vacuum pump simultaneously and oil tank inside is vacuumized, until reach setting degree of vacuum (0.04Mpa).By repeating above process, make oil tank inside remain constant micro-vacuum negative pressure, thus avoid capacitor oil and to make moist deterioration.
When oil tank starts oil extraction, press " moving back oil/air inlet " key of monitoring and alarming system, the air inlet electromagnetic valve on seal cover cap and cut-off electromagnetic valve are opened by control system automatically.Extraneous air is automatically removed after moisture and impurity through air dryer under the effect of negative pressure of vacuum, is inhaled into oil tank inside, eliminates the negative pressure of vacuum in tank, capacitor oil in tank can be discharged smoothly.Because intake process oil tank inside can remain dry eligible state, again reduce capacitor oil make moist deterioration probability.To be reached under oil level ball float position signal transmitter in limited time at the bottom of tank when the capacitor oil in petrol storage tank retreats to, oil level monitoring alarm control system sends alerting signal, points out oily business personnel to carry out corresponding measure in time.
Described oil level monitoring and alarming system also includes oil level automatic monitoring alarm system handheld controller, and described hand held controller is connected with oil level monitoring and alarming system main frame.
When hand held controller uses, staff is without the need to climbing oil tank, and standing in ground hand held controller can carry out control operation.
Described oil level monitoring alarm main control system also includes AC/DC changeover switch, sound and light signal annunciator, intermediate relay.
Described oil level ball float position signal transmitter is weldingly fixed on sealing bottom by one section of stainless steel tube, and is placed in oil tank inner chamber.Arrange 12 position contacts in fan-shaped distribution are provided with from low to high in the inside of position signal transmitter, oil level ball float is connected on oil level ball float position signal transmitter and fluctuates according to the change of oil mass, touches corresponding position contact to reflect the inner oil level of oil tank by its afterbody.
The oil level signal line of oil level instruction ball float is connected with oil level monitoring alarm main control system through sealing bottom in the middle of steel pipe, and is provided with " oil level is high " and " oil level is low " alarm contact.
The full oily auto-stop float switch of described oiling equipment adopts stainless steel floating ball switch, is weldingly fixed on sealing bottom, is connected with oil level monitoring alarm main control system, closes down oiling equipment controling signal for oil level in petrol storage tank close to sending during full oil level.
Described air dryer is one columnar structured, round barrel cover is welded with tracheae to be connected with air inlet electromagnetic valve, cylinder is built with moisture-absorbing desiccant (as discolour silica gel), for carrying out the adsorption filtration of moisture and dust impurity to the air entering oil tank inside, an observation window is respectively had in the upper and lower of barrel, for observing the saturated conditions of moisture-absorbing desiccant, in cylinder, there is one desiccant separation net below, one electric boiling plate is housed below separation net, for carrying out heat drying to suction air, a freeing pipe is had to be connected with cut-off electromagnetic valve through separation net from bottom of cylinder, the air be convenient to after drying filtration enters petrol storage tank inside.
Described electric boiling plate adopts ceramic heater, working power alternating current 220V, heating power 120W, highest temperature 90 DEG C.
Described desiccant separation net adopts double glass fleece, and mesh is apart from being 0.1mm × 0.1mm, fastening with on the barrel of dryer bottom, inner for preventing moisture-absorbing desiccant granule from being sucked oil tank by negative pressure.
Described multi-functional, alarming formula petrol storage tank vacuum seal also includes auxiliary vacuum-pumping tube, the defeated vacuum-pumping tube that helps is connected with gas circuit union, auxiliary vacuum-pumping tube ball valve is together housed in the exit of auxiliary vacuum-pumping tube, for external vacuum pump, petrol storage tank is vacuumized.
Arranging auxiliary vacuum-pumping tube facilitates external vacuum pump and oil tank inside to set up negative pressure of vacuum fast, shortens the pumpdown time.
In sum, the utility model following advantage compared to existing technology:
Multi-functional, alarming formula petrol storage tank vacuum seal of the present utility model, installs and uses easy, only simply need install on the manhole of simple and easy horizontal petrol storage tank, just can the every in-use performance of the simple and easy horizontal petrol storage tank of fast lifting.It is made to possess the oil storage of micro-vacuum negative pressure, vacuum interlock oiling, dry, the large diagonal distance oil strain of air inlet automatic dehumidifying, the automatically function such as real-time oil level monitoring alarm, the full oily auto-stop of oiling equipment.And the round-the-clock on-the-spot oil processing that can realize capacitor oil, the stored on-site of capacitor oil, oil strain, oil level is made to monitor the impact being no longer subject to operation weather, ambient temperature, ambient humidity, the holding time of effective prolongation capacitor oil, improve on-the-spot oil processing work efficiency.The all parts of this device all adopt external to install and are connected, and without the need to making any change to petrol storage tank itself, can not affect every safety performance of petrol storage tank.A kind of multi-functional, alarming formula petrol storage tank vaccum gland bonnet and the very applicable all simple and easy horizontal petrol storage tanks of micro-vacuum negative pressure oil storage technology thereof use.
Accompanying drawing explanation
Fig. 1 is that multi-functional, alarming formula petrol storage tank vacuum seal uses schematic diagram.
Fig. 2 is multi-functional, alarming formula petrol storage tank vacuum seal constructional drawing.
Fig. 3 is the birds-eye view of Fig. 2.
Fig. 4 is air dryer structural representation.
Fig. 5 is multi-functional, alarming formula petrol storage tank vacuum seal control principle circuit diagram.
Label declaration 1 air inlet electromagnetic valve 2 air dryer 211 observation window 212 electric boiling plate 213 desiccant separation net 214 freeing pipe 3 cut-off electromagnetic valve 4 degree of vacuum monitor 5 vacuum solenoid 6 minipump 7 oil level automatic monitoring alarm control system main frame 711 oil level indicator read-out 712 oiling equipment downtime control signal wire 8 oil-feed electromagnetic valve 9 seal full oily auto-stop float switch 12 oil level ball float position signal transmitter 1211 oil level instruction ball float 13 oil level automatic monitoring alarm control system hand held controller 1311 control cables 14 petrol storage tank of bottom 10 telescopic oil tube 1011 oil pipe fixed mount 11 oiling equipment bottom oil cock 15 assist vacuum-pumping tube 1511 to assist vacuum-pumping tube ball valve 16 gas circuit union 17 oil inlet.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is described in more detail.
Embodiment 1
A kind of multi-functional, alarming formula petrol storage tank vacuum seal, include sealing bottom, minipump, oil level monitoring alarm control system, degree of vacuum monitor, air dryer, described seal cover cap is consistent with the size specification of oil tank manhole lid, seal cover cap is provided with air extractor vent and fuel feed hole, air extractor vent is provided with gas circuit union, fuel feed hole is provided with oil inlet, gas circuit union divides two-way to be connected with air dryer and vacuum pump respectively, oil inlet extend into petrol storage tank inner chamber by the fuel feed hole on sealing bottom, telescopic oil tube is provided with in petrol storage tank, telescopic oil tube is connected with oil inlet, the oil inlet exposing to sealing bottom is provided with oil-feed electromagnetic valve, described oil level monitoring alarm control system includes oil level monitoring alarm main control system, oil level indicator and the full oily auto-stop float switch of oiling equipment, described oil level indicator includes oil level indicator read-out, oil level instruction ball float and oil level ball float position signal transmitter, oil level instruction ball float is connected with oil level ball float position signal transmitter, oil level indicator read-out is connected with oil level ball float position signal transmitter, oil level ball float position signal transmitter is connected by signal wire (SW) with the full oily auto-stop float switch of oiling equipment, oil level indicator is then connected with oil level monitoring alarm main control system by signal wire (SW), and oil level instruction ball float and the full oily auto-stop float switch of oiling equipment are positioned at petrol storage tank inner chamber, the input channel of air dryer is provided with air inlet electromagnetic valve, the delivery channel of air dryer is provided with cut-off electromagnetic valve, gas circuit union is provided with degree of vacuum monitor, passage between gas circuit union and vacuum pump is provided with vacuum solenoid, oil inlet is provided with oil-feed electromagnetic valve.Described oil level monitoring and alarming system also includes oil level automatic monitoring alarm system handheld controller, and described hand held controller is connected with oil level monitoring and alarming system main frame.Described oil level monitoring alarm main control system also includes AC/DC changeover switch, sound and light signal annunciator, intermediate relay.
Air inlet electromagnetic valve 1 is comprised as Fig. 1 includes, air dryer 2, cut-off electromagnetic valve 3, degree of vacuum monitor 4, vacuum solenoid 5, minipump 6, oil level automatic monitoring alarm control system main frame 7, oil-feed electromagnetic valve 8, sealing bottom 9, telescopic oil tube 10, the full oily auto-stop float switch 11 of oiling equipment, oil level ball float position signal transmitter 12, oil level instruction ball float 1211, oil level automatic monitoring alarm control system hand held controller 13, auxiliary vacuum-pumping tube 15, auxiliary vacuum-pumping tube ball valve 1511, gas circuit union 16, oil inlet 17.
Sealing bottom 9 is made by oil tank manhole specification, above it boring welding gas circuit union 16 and oil inlet 17 respectively, connect air dryer 2 and minipump 6 by gas circuit union 16 and communicate with oil tank inside; And oil inlet 17 is connected with telescopic oil tube 10 through sealing bottom 9, oil level instruction ball float 1211 and the full oily auto-stop float switch 11 of oiling equipment is also housed respectively bottom sealing bottom 9, is connected with oil level monitoring alarm control system main frame 7 by signal wire (SW).Sealing bottom 9 makes by oil tank manhole specification, above it boring welding gas circuit union 16 and oil inlet 17 respectively, connects air dryer 2 and minipump 6 and communicate with oil tank inside by gas circuit union 16; And oil inlet 17 is connected with telescopic oil tube 10 through sealing bottom 9, oil level instruction ball float 1211 and the full oily auto-stop float switch 11 of oiling equipment is also housed respectively bottom sealing bottom 9, is connected with oil level monitoring alarm control system main frame 7 by signal wire (SW).
Described sealing bottom is the diameter that a 12mm plate iron is made is the manhole cover of 600mm, and its outer rim has for 8 fixing screw holes.It is mainly used in sealing petrol storage tank and provides the installing space of oil level monitoring alarm control system, minipump, gas circuit union, oil inlet.
Described hand held controller is an oblong plastic-steel box, above has three 24V spring latch to automatically reset button switch, is respectively " oiling/circulation ", " storage ", " moving back oil/air inlet ", separately has a self-locking button switch to be " signal return " key.
Described control cables adopts 8 × 1.5mm
2sheath copper core flexible cable, length about 6 meters, for connecting hand held controller and main control system.
Described sound and light signal annunciator adopts direct current 24V power supply, is made up of the siren horn loudspeaker of control loop, flash alarm lamp and volume 120db.
Described oiling equipment downtime control signal wire adopts 2 × 1.5mm
2copper core signal wire (SW), length about 30 meters, is connected with oil level monitoring alarm control system main control system aviation plug.
Described oil level ball float position signal transmitter is weldingly fixed on sealing bottom by the stainless steel tube that is about 1200mm, and is placed in oil tank inner chamber.12 position contacts in fan-shaped distribution are provided with in the inside of position signal transmitter, oil level ball float is connected on oil level ball float position signal transmitter and fluctuates according to the change of oil mass, touches corresponding position contact to reflect the inner oil level of oil tank by its afterbody.The oil level signal line of oil level instruction ball float is connected with oil level monitoring alarm main control system through sealing bottom in the middle of steel pipe, and is provided with " oil level is high " and " oil level is low " alarm contact.
The full oily auto-stop float switch of described oiling equipment adopts stainless steel floating ball switch, is weldingly fixed on sealing bottom, is connected with main control system, closes down oiling equipment controling signal for oil level in petrol storage tank close to sending during full oil level.
Described gas circuit union is made up of diameter 45mm steel-pipe welding, it is a "T"-shaped structure, "T"-shaped lower end is welded with sealing bottom and is communicated with oil tank inside, "T"-shaped left end is connected with cut-off electromagnetic valve, air dryer and air inlet electromagnetic valve, "T"-shaped right-hand member connects degree of vacuum monitor, vacuum solenoid, minipump, auxiliary vacuum-pumping tube etc.
Described cut-off electromagnetic valve is alternating current 220V normally closed solenoid valve, is mainly used in isolating gas circuit union vacuumizes gas circuit and air inlet gas circuit, the effect that guarantee vacuumizes.
Described air inlet electromagnetic valve is alternating current 220V normally closed solenoid valve, is mainly used in opening and closed air inlet gas circuit.
Described vacuum solenoid is alternating current 220V normally closed solenoid valve; controlled by degree of vacuum monitor; be mainly used in dropping into or isolation vacuumizes gas circuit, prevent outside air when minipump is shut down, under suction function, destroy micro-vacuum zone of negative pressure in tank from the vacuum pump body petrol storage tank that recoils.
Described minipump is Whirling leaf type oilless vacuum pump, also controlled by degree of vacuum monitor, adopt alternating current 220V power supply, its speed of exhaust is 4L/s, end vacuum is 6 × 10-2kpa, be mainly used in the micro-vacuum zone of negative pressure setting up ullage, and keep the constant of this negative pressure of vacuum district degree of vacuum.
Described degree of vacuum monitor adopts digital display intelligent negative pressure controller, and adopt direct current 24V power supply, measurement range-0.1-0Mpa, can arrange arbitrarily monitor force value.It is arranged in gas circuit union, for monitoring the degree of vacuum of oil tank inside and controlling the start and stop of minipump.
Described air dryer is that a diameter 200mm is columnar structured, round barrel cover is welded with tracheae to be connected with air inlet electromagnetic valve, cylinder built with moisture-absorbing desiccant (as discolour silica gel), for carrying out the adsorption filtration of moisture and dust impurity to the air entering oil tank inside.An observation window is respectively had, for observing the saturated conditions of moisture-absorbing desiccant in the upper and lower of barrel.In cylinder, there is one desiccant separation net below, and an electric boiling plate is housed below separation net, for carrying out heat drying to suction air.Have a freeing pipe to be connected with cut-off electromagnetic valve through separation net from bottom of cylinder, the air be convenient to after drying filtration enters petrol storage tank inside.
Described electric hot plate adopts ceramic heater, working power alternating current 220V, heating power 120W, highest temperature 90 DEG C.
Described desiccant separation net adopts double glass fleece, and mesh is apart from being 0.1mm × 0.1mm, fastening with on the barrel of dryer bottom, inner for preventing moisture-absorbing desiccant granule from being sucked oil tank by negative pressure.
Described auxiliary vacuum-pumping tube is made up of diameter 45mm steel pipe, be welded in gas circuit union, auxiliary vacuum-pumping tube ball valve is together equipped with in its exit, vacuumizes petrol storage tank for external vacuum pump, so that negative pressure of vacuum is set up fast in oil tank inside, shorten the pumpdown time.
Described oil inlet is also made up of diameter 45mm steel pipe, and one end is welded on vacuum seal and covers and be communicated with the telescopic oil tube in petrol storage tank, and the other end is then connected to oil-feed electromagnetic valve and is connected with the oil outlet pipe of oiling equipment.
Described telescopic oil tube is anti-" Z " font, and the oil inlet that one end upwards covers with vacuum seal welds and is communicated with, and the other end is downwards for fuel-displaced.Its middle telescopic movable part has 3 sections, and adopt the socket of diameter 45mm-38mm steel tube screw thread reducing to make, length can regulate front and back between 1.2m to 2.0m, carries out suspention fastening by the oil pipe fixed mount be weldingly fixed on sealing bottom.
Described oil-feed electromagnetic valve is alternating current 220V normally closed solenoid valve, is controlled it by oil level monitoring alarm control system, is mainly used in the break-make controlling oil inlet oil circuit.
During use, removed by original for simple and easy horizontal petrol storage tank top manhole plate, the oil level instruction ball float 1211 vacuum seal covered and the full oily auto-stop float switch 11 of oiling equipment, telescopic oil tube 10 put into oil tank inside.Telescopic oil tube 10 moving part is drawn out to top to tank skin, with oil pipe fixed mount 1011, it is fastening.With bolt, whole vaccum gland bonnet is fastened on oil tank manhole after putting seal ring well.The 220V working power of oil level monitoring alarm control system main frame 7, minipump 6 is connected; with oiling equipment full oily shutdown control signal line 712, oil level monitoring alarm control system main frame 7 is communicated with the shutdown control loop of oiling equipment again, namely completes the installation of whole vaccum gland bonnet.
When petrol storage tank starts oiling, press " oiling/circulation " key on control system hand held controller 13, vacuum pump control relay 3J, inlet valve control relay 4J start, normal opened contact 3J1,3J2,4J1 are closed, vacuum pump electromagnetic valve 5 and oil-feed electromagnetic valve 8 are opened, start minipump 6 pairs of oil tank inside to vacuumize (also by the external vacuum pump evacuation of auxiliary vacuum-pumping tube 15) simultaneously, now can to oiling in oil tank.In the process to oiling in oil tank, check real-time oil level situation by oil level indicator read-out 711.When the inner oil level of oil tank is prescribed a time limit close on oil level ball float position signal transmitter 12, " oil level is high " normal opened contact 1J1 closes, connect sound and light alarm signal circuit, oil level monitoring alarm control system main frame 7 sends sound and light alarm signal, oiling (as long as now press " signal return " key on control system hand held controller 13, sound and light alarm signal can be stopped) can being stopped.As do not stop oiling then when oil level continue rises and reach oiling equipment expire oily auto-stop float switch 11 trigger value time; its make and break contact 2J1 closes; start the full oily auto shutdoown relay 2J of oiling equipment; its normal opened contact 2J2 closes; by oiling equipment downtime control loop short circuit, automatically by oiling equipment downtime.
After oiling, when circulating oil filtering process is carried out in oil tank inside, then still press " oiling/circulation " key on control system hand held controller 13, keep normal opened contact 3J1,3J2,4J1 closed, oil-feed electromagnetic valve 8, vacuum solenoid 5 and minipump 6 are opened, and continue to vacuumize to pasta upper space in oil tank.Then after extracting the capacitor oil in tank out after filtration process with oil filter from oil cock 14 bottom petrol storage tank, then by oil-feed electromagnetic valve 8 and telescopic oil tube 10 oil re-injected in oil tank and form oil processing circulation.
When capacitor oil need store, press " storage " key on control system hand held controller 13, " oiling/circulation " key disconnects automatically, inlet valve control relay 4J power-off, normal opened contact 4J1 disconnects, and oil-feed electromagnetic valve 8 recovers normally off and closed by oil inlet.Now vacuum pump control relay 3J starts, and normal opened contact 3J1,3J2 are closed, opens vacuum solenoid 5 and starts pasta upper space in minipump 6 pairs of oil tanks and vacuumize.Start when degree of vacuum reaches setting value (0.04Mpa) final vacuum degree monitor 4, its normally closed contact ZK disconnects, vacuum pump control relay 3J power-off; normal opened contact 3J1,3J2 disconnect; closed by vacuum solenoid 5, minipump 6 is shut down simultaneously, and oil tank enters hermetically sealed vacuum oil storage state.During when degree of vacuum decline in oil tank and lower than degree of vacuum monitor setting value (0.04Mpa), contact ZK is closed starts vacuum pump control relay 3J, normal opened contact 3J1,3J2 are closed, automatically vacuum solenoid 5 is opened, start minipump 6 pairs of oil tank inside to vacuumize, until reach setting degree of vacuum (0.04Mpa) simultaneously.By repeating above process, make oil tank inside remain constant micro-vacuum negative pressure, thus avoid capacitor oil and to make moist deterioration.
When oil tank starts oil extraction, press " moving back oil/air inlet " key on control system hand held controller 13, " storage " key disconnects automatically.Move back oil relay 5J to start, normal opened contact 5J1,5J2,5J3 close, and the air inlet electromagnetic valve 1 on seal cover cap and cut-off electromagnetic valve 2 are opened, and start electric boiling plate 212.
Outside air enters in air dryer 2 through air inlet electromagnetic valve 1, by moisture-absorbing desiccant by moisture and Impurity removal, then after electric boiling plate 212 heat drying, enter oil tank inside from freeing pipe 214 through cut-off electromagnetic valve 2, eliminate the negative pressure of vacuum in tank, capacitor oil in tank can be discharged smoothly.Oil level ball float position signal transmitter 12 times is reached at the bottom of tank in limited time when the capacitor oil in petrol storage tank is retreated to, " oil level is low " normal opened contact 1J2 closes, connect sound and light alarm signal circuit, oil level monitoring alarm control system main frame 7 sends sound and light alarm signal (as long as now press " signal return " key on control system hand held controller 13, sound and light alarm signal can be stopped), point out oily business personnel to carry out corresponding measure in time.
It is same as the prior art that the present embodiment does not state part.
Claims (9)
1. a multi-functional, alarming formula petrol storage tank vacuum seal, it is characterized in that: include sealing bottom, minipump, oil level monitoring alarm control system, degree of vacuum monitor, air dryer, described seal cover cap is consistent with the size specification of oil tank manhole lid, seal cover cap is provided with air extractor vent and fuel feed hole, air extractor vent is provided with gas circuit union, fuel feed hole is provided with oil inlet, gas circuit union divides two-way to be connected with air dryer and vacuum pump respectively, oil inlet extend into petrol storage tank inner chamber by the fuel feed hole on sealing bottom, telescopic oil tube is provided with in petrol storage tank, telescopic oil tube is connected with oil inlet, the oil inlet exposing to sealing bottom is provided with oil-feed electromagnetic valve, described oil level monitoring alarm control system includes oil level monitoring alarm main control system, oil level indicator and the full oily auto-stop float switch of oiling equipment, described oil level indicator includes oil level indicator read-out, oil level instruction ball float and oil level ball float position signal transmitter, oil level instruction ball float is connected with oil level ball float position signal transmitter, oil level indicator read-out is connected with oil level ball float position signal transmitter, oil level ball float position signal transmitter is connected by signal wire (SW) with the full oily auto-stop float switch of oiling equipment, oil level indicator is then connected with oil level monitoring alarm main control system by signal wire (SW), and oil level instruction ball float and the full oily auto-stop float switch of oiling equipment are positioned at petrol storage tank inner chamber, the input channel of air dryer is provided with air inlet electromagnetic valve, the delivery channel of air dryer is provided with cut-off electromagnetic valve, gas circuit union is provided with degree of vacuum monitor, passage between gas circuit union and vacuum pump is provided with vacuum solenoid, oil inlet is provided with oil-feed electromagnetic valve.
2. multi-functional, alarming formula petrol storage tank vacuum seal according to claim 1, it is characterized in that: described oil level monitoring and alarming system also includes oil level automatic monitoring alarm system handheld controller, and described hand held controller is connected with oil level monitoring and alarming system main frame.
3. multi-functional, alarming formula petrol storage tank vacuum seal according to claim 2, is characterized in that: described oil level monitoring alarm main control system also includes AC/DC changeover switch, sound and light signal annunciator, intermediate relay.
4. multi-functional, alarming formula petrol storage tank vacuum seal according to claim 3, it is characterized in that: described oil level ball float position signal transmitter is weldingly fixed on sealing bottom by one section of stainless steel tube, be placed in oil tank inner chamber, arrange 12 position contacts in fan-shaped distribution are provided with from low to high in the inside of position signal transmitter, oil level ball float is connected on oil level ball float position signal transmitter and fluctuates according to the change of oil mass, touches corresponding position contact to reflect the inner oil level of oil tank by its afterbody.
5. multi-functional, alarming formula petrol storage tank vacuum seal according to claim 4, it is characterized in that: the oil level signal line of oil level instruction ball float is connected with oil level monitoring alarm main control system through sealing bottom in the middle of steel pipe, and is provided with " oil level is high " and " oil level is low " alarm contact.
6. according to the multi-functional, alarming formula petrol storage tank vacuum seal of claim 1-5 described in any one, it is characterized in that: described air dryer is one columnar structured, round barrel cover is welded with tracheae to be connected with air inlet electromagnetic valve, cylinder is built with moisture-absorbing desiccant, for carrying out the adsorption filtration of moisture and dust impurity to the air entering oil tank inside, an observation window is respectively had in the upper and lower of barrel, for observing the saturated conditions of moisture-absorbing desiccant, in cylinder, there is one desiccant separation net below, one electric boiling plate is housed below separation net, for carrying out heat drying to suction air, a freeing pipe is had to be connected with cut-off electromagnetic valve through separation net from bottom of cylinder, the air be convenient to after drying filtration enters petrol storage tank inside.
7. multi-functional, alarming formula petrol storage tank vacuum seal according to claim 6, is characterized in that: described electric boiling plate is ceramic heater.
8. multi-functional, alarming formula petrol storage tank vacuum seal according to claim 7, it is characterized in that: described desiccant separation net adopts double glass fleece, fastening with on the barrel of dryer bottom, inner for preventing moisture-absorbing desiccant granule from being sucked oil tank by negative pressure.
9. multi-functional, alarming formula petrol storage tank vacuum seal according to claim 8, it is characterized in that: described multi-functional, alarming formula petrol storage tank vacuum seal also includes auxiliary vacuum-pumping tube, the defeated vacuum-pumping tube that helps is connected with gas circuit union, auxiliary vacuum-pumping tube ball valve is together housed in the exit of auxiliary vacuum-pumping tube, for external vacuum pump, petrol storage tank is vacuumized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520419854.3U CN204872290U (en) | 2015-06-17 | 2015-06-17 | Multi -functional alarm type oil storage tank vacuum seal device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520419854.3U CN204872290U (en) | 2015-06-17 | 2015-06-17 | Multi -functional alarm type oil storage tank vacuum seal device |
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| CN204872290U true CN204872290U (en) | 2015-12-16 |
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| CN201520419854.3U Withdrawn - After Issue CN204872290U (en) | 2015-06-17 | 2015-06-17 | Multi -functional alarm type oil storage tank vacuum seal device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104944022A (en) * | 2015-06-17 | 2015-09-30 | 国家电网公司 | Multifunctional warning type oil storage tank vacuum sealing device |
| CN105883235A (en) * | 2016-06-16 | 2016-08-24 | 江苏永尚能源科技有限公司 | Sealed tank of fuel tanker |
| CN109178698A (en) * | 2018-07-17 | 2019-01-11 | 芜湖芬特勘测服务有限公司 | A kind of chemical industry oil storage tank |
-
2015
- 2015-06-17 CN CN201520419854.3U patent/CN204872290U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104944022A (en) * | 2015-06-17 | 2015-09-30 | 国家电网公司 | Multifunctional warning type oil storage tank vacuum sealing device |
| CN104944022B (en) * | 2015-06-17 | 2018-01-19 | 国家电网公司 | A kind of multi-functional, alarming formula oil storage tank vacuum sealing device |
| CN105883235A (en) * | 2016-06-16 | 2016-08-24 | 江苏永尚能源科技有限公司 | Sealed tank of fuel tanker |
| CN109178698A (en) * | 2018-07-17 | 2019-01-11 | 芜湖芬特勘测服务有限公司 | A kind of chemical industry oil storage tank |
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| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151216 Effective date of abandoning: 20180119 |