CN204666431U - Transformer oil mother liquor dilution method sample preparation device - Google Patents
Transformer oil mother liquor dilution method sample preparation device Download PDFInfo
- Publication number
- CN204666431U CN204666431U CN201520365738.8U CN201520365738U CN204666431U CN 204666431 U CN204666431 U CN 204666431U CN 201520365738 U CN201520365738 U CN 201520365738U CN 204666431 U CN204666431 U CN 204666431U
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- China
- Prior art keywords
- valve
- mother liquor
- oil
- fuel tank
- hydraulic cylinder
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- Withdrawn - After Issue
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- 239000012452 mother liquor Substances 0.000 title claims abstract description 81
- 238000003113 dilution method Methods 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 239000002828 fuel tank Substances 0.000 claims abstract description 76
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- 239000011148 porous material Substances 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 238000012360 testing method Methods 0.000 abstract description 8
- 239000012530 fluid Substances 0.000 description 20
- 239000007789 gas Substances 0.000 description 15
- 239000007788 liquid Substances 0.000 description 12
- 238000004090 dissolution Methods 0.000 description 6
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 229910002091 carbon monoxide Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The utility model provides a kind of transformer oil mother liquor dilution method sample preparation device, belong to transformer oil sample inking device field, comprise fuel tank, fuel tank is provided with tensimeter, temperature sensor and heating unit, top of oil-tank is provided with through hole and circulation port, bottom is provided with another circulation port, and two circulation ports are connected to circulating device respectively by pipeline, and through hole is connected to air-out apparatus by pipeline; Top of oil-tank is provided with pore, and pore is connected to vacuum plant, and tank bottoms is provided with detection mouth, and circulating device is provided with hydraulic cylinder, mother liquor tank, oil feeding device and piston controller, can configure the sample of transformer oil accurately, and test on-Line Monitor Device.
Description
Technical field
The utility model provides a kind of transformer oil mother liquor dilution method sample preparation device, belongs to transformer oil sample device for formulating field.
Background technology
Transformer is one of most important equipment of electric system, its operation conditions will directly affect the reliability of power supply, along with the high speed development of national economy, society is more and more higher to the dependence of electric power supply, and the safe and reliable operation level therefore improving transformer is significant.In operation, the insulating oil of inside transformer and solid insulating material are owing to affecting by the catalytic action of temperature, electric field, oxygen and the material such as copper, iron, the reaction of aging Sum decomposition can be there is with increase working time, except generating the deteriorated beyond the region of objective existences such as a certain amount of acid, fat, greasy filth, also produce a small amount of hydrogen (H
2), low molecular hydrocarbon gas CH
4, C
2h
2, C
2h
4, C
2h
6, C
3h
6, C
3h
8with oxide CO, CO of carbon
2deng, these gases be dissolved in oil with molecular state are called as Gases Dissolved in Transformer Oil.Wherein hydrogen (H
2), methane (CH
4), ethane (C
2h
6), ethene (C
2h
4), acetylene (C
2h
2), carbon monoxide (CO), carbon dioxide (CO
2) etc. to judging the gas that inside transformer Hidden fault is significant, be called as characteristic gas.Because domestic on-Line Monitor Device is of a great variety, technical merit is very different, partial devices is due to design or manufacture process Problems existing, without close inspection when dispatching from the factory, drop into after operation of power networks because device is subject to the impact of high temperature, vibrations and electromagnetic radiation for a long time in transformer station, cause detection data and laboratory difference comparatively greatly, not only can not reflect the running status of transformer truly, but also add serious potential safety hazard to operation of power networks.
Utility model content
The utility model object is to provide a kind of transformer oil mother liquor dilution method sample preparation device, can prepare the sample of transformer oil accurately, and test on-Line Monitor Device.
Transformer oil mother liquor dilution method sample preparation device described in the utility model, comprise fuel tank, fuel tank is provided with tensimeter, temperature sensor and heating unit, top of oil-tank is provided with through hole and circulation port, bottom is provided with another circulation port, two circulation ports are connected to circulating device respectively by pipeline, and through hole is connected to air-out apparatus by pipeline; Top of oil-tank is provided with pore, and pore is connected to vacuum plant, and tank bottoms is provided with detection mouth, and circulating device is provided with hydraulic cylinder, mother liquor tank, oil feeding device and piston controller.
Described transformer oil mother liquor dilution method sample preparation device, close circulating device, air-out apparatus and vacuum plant and interior valve thereof, make fuel tank completely closed, open piston controller and interior valve thereof, make it take out gas in hydraulic cylinder control chamber, after making the piston of hydraulic cylinder move down into bottom, piston controller and interior valve thereof are closed; Valve in ON cycle device makes fuel tank be communicated with circulating device, and opens vacuum plant, and vacuum plant is vacuumized in fuel tank and circulating device; Open oil feeding device and interior valve thereof, the oil feeding device other end is connected to oil storage tank, and oil can be inhaled in fuel tank and circulating device under vacuum; Observe tensimeter, when pressure no longer changes, close oil feeding device and interior valve thereof, and open the valve in air-out apparatus, open piston controller, make it to the control interacvity air-filling in hydraulic cylinder, make piston moves, oil is squeezed in fuel tank, until fluid fills fuel tank, and enter air-out apparatus, and arrive the assigned address of air-out apparatus; Close all devices and interior valve thereof, fuel tank is closed again; Open the valve of piston controller and interior valve and oil feeding device, it is made to take out gas in hydraulic cylinder control chamber, piston moves down, oil is made directly to enter hydraulic cylinder from oil feeding device by changing air pressure, after making the oil in hydraulic cylinder account for 3/4ths of its capacity, close the valve opening piston controller and interior valve and oil feeding device, ensure that hydraulic cylinder carries out to fuel tank the activity space that oil subsidy repays with this; The valve of ON cycle device and interior valve, heating unit and air-out apparatus, the oil in fuel tank is made to carry out circulating-heating, when the oil temperature in fuel tank and hydraulic cylinder reaches 50 degree, period makes the air be mixed in oil can leave fuel tank from air-out apparatus, finally open the valve of mother liquor tank, and moved down by piston controller control piston, by the oil circuit of the mother liquor suction circulation in mother liquor tank, evenly diluted in the process that such mother liquor will be recycled at oil, then closed air-out apparatus; Detection mouth on fuel tank is connected an on-Line Monitor Device of having looked after and guided by multichannel sample valve, residue all connects the on-Line Monitor Device of not looking after and guiding, and by piston controller, control piston moves, to the applying pressure in fuel tank, can verify that whether the on-Line Monitor Device of not looking after and guiding is accurate.
Described transformer oil mother liquor dilution method sample preparation device, circulating device is provided with ebullator and valve G, mother liquor tank is provided with valve D, hydraulic cylinder is provided with piston, piston rod hollow, piston base is connected to ebullator by pipeline, the ebullator other end is connected to the circulation port of top of oil-tank by pipeline, one end of threading a pipe is communicated to hydraulic cylinder top more, the other end is communicated to the circulation port of tank bottoms by valve G, 3rd end of threading a pipe is connected to mother liquor tank by valve D more, and the last one end of threading a pipe is connected to oil feeding device more, and oil feeding device is valve C.Piston rod hollow, make to be formed by circulation line between fuel tank and hydraulic cylinder top cylinder body to circulate, hydraulic cylinder, oil feeding device and mother liquor tank to be all communicated with fuel tank by threading a pipe more, make oil can enter fuel tank and hydraulic cylinder simultaneously, also can enter hydraulic cylinder separately, the mother liquor in mother liquor tank also directly can enter in the circulation of fluid by threading a pipe more, and mother liquor is diluted uniformly, oil feeding device is valve C, and the valve C other end is connected in Fuel Tanking Unit.
Described transformer oil mother liquor dilution method sample preparation device, air-out apparatus comprises liquid level observation ward and valve F, and liquid level observation ward is connected by pipeline with valve F, and the pipeline other end is communicated to the through hole of fuel tank, and liquid level observation ward sidewall is provided with run-down pipe.When oil is clamp-oned in fuel tank by hydraulic cylinder, when the fluid in fuel tank is filled, whether there is oil to flow out from run-down pipe and whether inject for detecting oil the mark put in place, when hydraulic cylinder arrives top, and in run-down pipe, still do not have oil to flow out, then need shutoff valve G, and open valve C, control piston control device, makes piston move down, and oil directly enters hydraulic cylinder top, then shutoff valve C opens valve G, continue oil is clamp-oned in fuel tank by hydraulic cylinder, until there is oil to flow out in run-down pipe, represent that oil inlet quantity is suitable.
Described transformer oil mother liquor dilution method sample preparation device, piston controller comprises valve B, valve A, aspiration pump and inflating pump, and valve B and valve A is connected to hydraulic cylinder by pipeline, and valve B, the valve A other end are connected to aspiration pump and inflating pump by pipeline.Valve A and valve B is solenoid valve, can with inflating pump and aspiration pump synchro control, thus to the piston lower portion in hydraulic cylinder, can to inflate or bleed, to be carried out the movement of control piston by air pressure.
Described transformer oil mother liquor dilution method sample preparation device, vacuum plant comprises vacuum pump and valve E, and vacuum pump is connected by pipeline with valve E, and the valve E other end is communicated to fuel tank pore.Can be vacuumized in fuel tank and hydraulic cylinder and circulation line by open valve E and vacuum pump, and by shutoff valve E, make to keep vacuum in fuel tank.
Described transformer oil mother liquor dilution method sample preparation device, heating unit is positioned at tank bottoms.According to the principle that heat upwards conducts, heating unit is arranged on bottom, heat can be made better to conduct.
Described transformer oil mother liquor dilution method sample preparation device, hydraulic cylinder is provided with displacement transducer.Displacement transducer can make staff know the shift length of the piston of hydraulic cylinder accurately, thus can calculate the oil reserve in hydraulic cylinder accurately.
Described transformer oil mother liquor dilution method, concrete grammar step is:
(1) all valves, pump and heating unit is closed.Open valve B, aspiration pump, make the piston of hydraulic cylinder move on to bottom; Shutoff valve B, aspiration pump.
(2) open valve E, valve G, vacuum pump, fuel tank, hydraulic cylinder and circulation line are vacuumized, observe tensimeter to 0KPA, shutoff valve E, vacuum pump.
(3) open valve C, rely on pull of vacuum, make fluid fill up fuel tank (cannot fill up completely), hydraulic cylinder top and associated pipe as far as possible.
(4) shutoff valve C, opens valve F, opens valve A, inflating pump, hydraulic cylinder piston is moved up, and extruding top fluid enters fuel tank, liquid level observation ward and run-down pipe in observation.
(5) as in step 4, hydraulic cylinder piston moves to top, and run-down pipe is still discharged without fluid, shutoff valve G, open valve C, open valve B, aspiration pump, make hydraulic cylinder piston move on to bottom, make hydraulic cylinder top take out full fluid, shutoff valve B, aspiration pump, repeat step 4.
(6) until run-down pipe has fluid to discharge, all valves are closed.
(7) according to hydraulic cylinder piston position, valve C is opened, selector valve B, aspiration pump or valve A, inflating pump, hydraulic cylinder top is full of 3/4 place that fluid amount accounts for whole cylinder body volume, shutoff valve C.
(8) open ebullator, heating unit, valve F, valve G, treat that in fuel tank and hydraulic cylinder, oil liquid temperature arrives 50 DEG C.
(9) according to target oil dissolved gas concentration of ordinary dissolution after volume of fuel tank, hydraulic cylinder piston position conversion volume, mother liquor gas dissolution concentration, mother liquor dilution, mother liquor injection rate IR is calculated.
(10) valve-off F, pours mother liquor in mother liquor tank, opens valve D, opens valve B, aspiration pump, by mother liquor inhalant liquid cylinder pressure in mother liquor tank, brings mother liquor into fuel tank by the circulating effect of ebullator.
(11) mother liquor tank scale is observed, during to required mother liquor injection rate IR, shutoff valve D, valve B, aspiration pump; Wait for 30 minutes.
(12) open and organize sample valve, valve A, inflating pump, hydraulic cylinder piston press fluid more, flow out from many group sample valves.
(13) as oil dissolved gas concentration of ordinary dissolution need be changed, repeat step 9,10,11, add mother liquor injection rate IR.
Described transformer oil mother liquor dilution method, fully can mix transformer oil with mother liquor, and accurately configures various target transformer oil sample, tests online detection instrument to be measured, and testing efficiency is high and test is accurate.
The utility model compared with prior art beneficial effect is:
Described transformer oil mother liquor dilution method sample preparation device, close circulating device, air-out apparatus and vacuum plant and interior valve thereof, make fuel tank completely closed, open piston controller and interior valve thereof, make it take out gas in hydraulic cylinder control chamber, after making the piston of hydraulic cylinder move down into bottom, piston controller and interior valve thereof are closed, valve in ON cycle device makes fuel tank be communicated with circulating device, and opens vacuum plant, and vacuum plant is vacuumized in fuel tank and circulating device, open oil feeding device and interior valve thereof, the oil feeding device other end is connected to oil storage tank, and oil can be inhaled in fuel tank and circulating device under vacuum, observe tensimeter, when pressure no longer changes, close oil feeding device and interior valve thereof, and open the valve in air-out apparatus, open piston controller, make it to the control interacvity air-filling in hydraulic cylinder, make piston moves, oil is squeezed in fuel tank, until fluid fills fuel tank, and enter air-out apparatus, and arrive the assigned address of air-out apparatus, close all devices and interior valve thereof, fuel tank is closed again, open the valve of piston controller and interior valve and oil feeding device, it is made to take out gas in hydraulic cylinder control chamber, piston moves down, oil is made directly to enter hydraulic cylinder from oil feeding device by changing air pressure, after making the oil in hydraulic cylinder account for 3/4ths of its capacity, close the valve opening piston controller and interior valve and oil feeding device, ensure that hydraulic cylinder carries out to fuel tank the activity space that oil subsidy repays with this, ON cycle device and interior valve thereof, heating unit, with the valve of air-out apparatus, the oil in fuel tank is made to carry out circulating-heating, when the oil temperature in fuel tank and hydraulic cylinder reaches 50 degree, period makes the air be mixed in oil can leave fuel tank from air-out apparatus, finally mother liquor is poured into mother liquor tank, open the valve of mother liquor tank, and moved down by piston controller control piston, by in the oil circuit of the mother liquor suction circulation in mother liquor tank, evenly diluted in the process that such mother liquor will be recycled at oil, then air-out apparatus is closed, mother liquor tank is provided with scale, the use amount of mother liquor is judged by scale, detection mouth on fuel tank is connected an on-Line Monitor Device of having looked after and guided by multichannel sample valve, residue all connects the on-Line Monitor Device of not looking after and guiding, and by piston controller, control piston moves, to the applying pressure in fuel tank, can verify that whether the on-Line Monitor Device of not looking after and guiding is accurate.
Described circulating device, piston rod hollow, make to be formed by circulation line between fuel tank and hydraulic cylinder top cylinder body to circulate, hydraulic cylinder, oil feeding device and mother liquor tank to be all communicated with fuel tank by threading a pipe more, make oil can enter fuel tank and hydraulic cylinder simultaneously, also can enter hydraulic cylinder separately, mother liquor in mother liquor tank also directly can enter in the circulation of fluid by threading a pipe more, mother liquor is diluted uniformly, and oil feeding device is valve C, and the valve C other end is connected in Fuel Tanking Unit.
Described air-out apparatus, when oil is clamp-oned in fuel tank by hydraulic cylinder, when fluid in fuel tank is filled, whether there is oil to flow out from run-down pipe and whether inject for detecting oil the mark put in place, when hydraulic cylinder arrives top, and still do not have oil to flow out in run-down pipe, then need shutoff valve G, and open valve C, control piston control device, piston is moved down, oil directly enters hydraulic cylinder top, and then shutoff valve C opens valve G, continues to make hydraulic cylinder clamp-on in fuel tank by oil, until there is oil to flow out in run-down pipe, represent that oil inlet quantity is suitable.
Described piston controller, piston controller comprises valve B, valve A, aspiration pump and inflating pump, and valve B and valve A is connected to piston by pipeline, and valve B, the valve A other end are connected to aspiration pump and inflating pump by pipeline.Valve A and valve B is solenoid valve, can with inflating pump and aspiration pump synchro control, thus to the piston lower portion in hydraulic cylinder, can to inflate or bleed, to be carried out the movement of control piston by air pressure.
Described vacuum plant, can be vacuumized in fuel tank and hydraulic cylinder and circulation line by open valve E and vacuum pump, and by shutoff valve E, makes to keep vacuum in fuel tank.
Described heating unit, according to the principle that heat upwards conducts, is arranged on bottom, heat can be made better to conduct by heating unit.
Described displacement transducer, displacement transducer can make staff know the shift length of the piston of hydraulic cylinder accurately, thus can calculate the oil reserve in hydraulic cylinder accurately.
Described transformer oil mother liquor dilution method, fully can mix transformer oil with mother liquor, and accurately configures various target transformer oil sample, tests online detection instrument to be measured, and testing efficiency is high and test is accurate.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
In figure: 1, valve A; 2, inflating pump; 3, aspiration pump; 4, valve B; 5, valve C; 6, oil drain out is entered; 7, valve D; 8, mother liquor tank; 9, mouth is detected; 10, temperature sensor; 11, vacuum pump; 12, valve E; 13, tensimeter; 14, valve F; 15, liquid level observation ward; 16, run-down pipe; 17, fuel tank; 18, heating unit; 19, ebullator; 20, circulation line; 21, displacement transducer; 22, hydraulic cylinder; 23, piston rod; 24, valve G; 25, thread a pipe more.
Embodiment
Below in conjunction with the utility model, transformer oil mother liquor dilution method sample preparation device is described further:
As shown in Figure 1, transformer oil mother liquor dilution method sample preparation device described in the utility model, comprise fuel tank 17, fuel tank is provided with tensimeter 13, temperature sensor 10 and heating unit 18, fuel tank 17 top is provided with through hole and circulation port, bottom is provided with another circulation port, two circulation ports connect respectively by circulation line 20, circulation line 20 is provided with successively ebullator 19, piston, thread a pipe 25 and valve G24 more, through hole is connected to liquid level observation ward 15 by valve F14, and liquid level observation ward 15 sidewall is provided with run-down pipe 16; Fuel tank 17 top is provided with pore, pore is connected to vacuum pump 11 by valve E12, be provided with bottom fuel tank 17 and detect mouth 9, thread a pipe more 25 another through hole be connected to mother liquor tank 8 by valve D7, thread a pipe more 25 last through hole be connected to into oil drain out 6 by valve C5, enter oil drain out 6 and be connected to Fuel Tanking Unit, piston rod 23 is hollow structure, piston rod 23 is positioned at the outer one end of hydraulic cylinder 22 and hydraulic cylinder 22 upper end is connected to circulation line 20, and hydraulic cylinder 22 bottom is connected to inflating pump 2 and aspiration pump 3 respectively by valve A1 and valve B4.
Below in conjunction with the utility model, transformer oil mother liquor dilution method is described further:
1, all valves, pump and heating unit is closed.Open valve B4, aspiration pump 3, make the piston of hydraulic cylinder 22 move on to bottom.Shutoff valve B4, aspiration pump 3.
2, open valve E12, valve G24, vacuum pump 11, fuel tank 17, hydraulic cylinder 22 and circulation line 20 are vacuumized, observe tensimeter to 0KPA, shutoff valve E12, vacuum pump 11.
3, open valve C5, rely on pull of vacuum, make fluid fill up fuel tank 17 (cannot fill up completely), hydraulic cylinder 22 top and associated pipe as far as possible.
4, shutoff valve C5, opens valve F14, opens valve A1, inflating pump 2, and hydraulic cylinder 22 piston is moved up, and extruding top fluid enters fuel tank 17, liquid level observation ward 15 and run-down pipe 16 in observation.
5, as in step 4, hydraulic cylinder 22 piston moves to top, and run-down pipe 16 is still discharged without fluid, shutoff valve G24, open valve C5, open valve B4, aspiration pump 3, make hydraulic cylinder 22 piston move on to bottom, make hydraulic cylinder 22 top take out full fluid, shutoff valve B4, aspiration pump 3, repeat step 4.
6, until run-down pipe 16 has fluid to discharge, close all valves.
7, according to hydraulic cylinder 22 piston position, valve C5 is opened, selector valve B4, aspiration pump 3 or valve A1, inflating pump 2, hydraulic cylinder 22 top is full of 3/4 place that fluid amount accounts for whole cylinder body volume, shutoff valve C5.
8, open ebullator 19, heating unit 18, valve F14, valve G24, treat that in fuel tank 17 and hydraulic cylinder 22, oil liquid temperature arrives 50 DEG C.
9, according to target oil dissolved gas concentration of ordinary dissolution after fuel tank 17 volume, hydraulic cylinder 22 piston position conversion volume, mother liquor gas dissolution concentration, mother liquor dilution, mother liquor injection rate IR is calculated.
10, shutoff valve F14, pours mother liquor in mother liquor tank 8, opens valve D7, opens valve B4, aspiration pump 3, by mother liquor inhalant liquid cylinder pressure 22 in mother liquor tank 8, brings mother liquor into fuel tank 17 by the circulating effect of ebullator 19.
11, mother liquor tank 8 scale is observed, during to required mother liquor injection rate IR, shutoff valve D7, valve B4, aspiration pump 3.Wait for 30 minutes.
12, open and organize sample valve, valve A1, inflating pump 2, hydraulic cylinder 22 piston press fluid more, flow out from many group sample valves.
13, as oil dissolved gas concentration of ordinary dissolution need be changed, repeat step 9,10,11, add mother liquor injection rate IR.
Claims (7)
1. a transformer oil mother liquor dilution method sample preparation device, comprise fuel tank (17), it is characterized in that, fuel tank (17) is provided with tensimeter (13), temperature sensor (10) and heating unit (18), fuel tank (17) top is provided with through hole and circulation port, bottom is provided with another circulation port, and two circulation ports are connected to circulating device respectively by pipeline, and through hole is connected to air-out apparatus by pipeline; Fuel tank (17) top is provided with pore, pore is connected to vacuum plant, fuel tank (17) bottom is provided with detection mouth, circulating device is provided with hydraulic cylinder (22), mother liquor tank (8), oil feeding device and piston controller, and hydraulic cylinder (22), mother liquor tank (8) are connected by thread a pipe (25) with oil feeding device more.
2. transformer oil mother liquor dilution method sample preparation device according to claim 1, it is characterized in that, circulating device is provided with ebullator (19) and valve G (24), mother liquor tank (8) is provided with valve D (7), hydraulic cylinder (22) is provided with piston rod (23), piston rod (23) hollow, piston rod (23) bottom is connected to ebullator (19) by pipeline, ebullator (19) other end is connected to the circulation port at fuel tank (17) top by pipeline, (25) one end of threading a pipe is communicated to hydraulic cylinder (22) top more, the other end is communicated to the circulation port of fuel tank (17) bottom by valve G (24), the 3rd end of (25) of threading a pipe is connected to mother liquor tank (8) by valve D (7) more, the thread a pipe last one end of (25) is connected to oil feeding device more, oil feeding device is valve C (5).
3. transformer oil mother liquor dilution method sample preparation device according to claim 1, it is characterized in that, air-out apparatus comprises oil level observation ward (15) and valve F (14), oil level observation ward (15) is connected by pipeline with valve F (14), the pipeline other end is communicated to the through hole of fuel tank (17), and oil level observation ward (15) sidewall is provided with run-down pipe (16).
4. transformer oil mother liquor dilution method sample preparation device according to claim 1, it is characterized in that, piston controller comprises valve B (4), valve A (1), aspiration pump (3) and inflating pump (2), valve B (4) and valve A (1) is connected to hydraulic cylinder (22) by pipeline, and valve B (4), valve A (1) other end are connected to aspiration pump (3) and inflating pump (2) by pipeline.
5. transformer oil mother liquor dilution method sample preparation device according to claim 1, it is characterized in that, vacuum plant comprises vacuum pump (11) and valve E (12), vacuum pump (11) is connected by pipeline with valve E (12), and valve E (12) other end is communicated to fuel tank (17) pore.
6. transformer oil mother liquor dilution method sample preparation device according to claim 1, is characterized in that, heating unit (18) is positioned at fuel tank (17) bottom.
7. transformer oil mother liquor dilution method sample preparation device according to claim 1, it is characterized in that, hydraulic cylinder (22) is provided with displacement transducer (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520365738.8U CN204666431U (en) | 2015-05-30 | 2015-05-30 | Transformer oil mother liquor dilution method sample preparation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520365738.8U CN204666431U (en) | 2015-05-30 | 2015-05-30 | Transformer oil mother liquor dilution method sample preparation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204666431U true CN204666431U (en) | 2015-09-23 |
Family
ID=54136805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520365738.8U Withdrawn - After Issue CN204666431U (en) | 2015-05-30 | 2015-05-30 | Transformer oil mother liquor dilution method sample preparation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204666431U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849129A (en) * | 2015-05-30 | 2015-08-19 | 国家电网公司 | Transformer oil mother liquor dilution method and transformer oil mother liquor sample preparing device |
-
2015
- 2015-05-30 CN CN201520365738.8U patent/CN204666431U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849129A (en) * | 2015-05-30 | 2015-08-19 | 国家电网公司 | Transformer oil mother liquor dilution method and transformer oil mother liquor sample preparing device |
| CN104849129B (en) * | 2015-05-30 | 2017-12-08 | 国家电网公司 | Transformer oil mother liquor dilution method and its sample preparation device |
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