CN204315346U - A kind of on-line regeneration main transformer respiration apparatus with honeycomb heating function - Google Patents
A kind of on-line regeneration main transformer respiration apparatus with honeycomb heating function Download PDFInfo
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- CN204315346U CN204315346U CN201520011471.2U CN201520011471U CN204315346U CN 204315346 U CN204315346 U CN 204315346U CN 201520011471 U CN201520011471 U CN 201520011471U CN 204315346 U CN204315346 U CN 204315346U
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- Prior art keywords
- main transformer
- moisture absorption
- honeycomb
- tank
- respiratory siphon
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 43
- 230000029058 respiratory gaseous exchange Effects 0.000 title claims abstract description 32
- 230000008929 regeneration Effects 0.000 title claims abstract description 20
- 238000011069 regeneration method Methods 0.000 title claims abstract description 20
- 238000010521 absorption reaction Methods 0.000 claims abstract description 65
- 230000000241 respiratory effect Effects 0.000 claims abstract description 40
- 239000003230 hygroscopic agent Substances 0.000 claims abstract description 33
- 238000000926 separation method Methods 0.000 claims abstract description 17
- 238000009835 boiling Methods 0.000 claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- 239000000741 silica gel Substances 0.000 claims description 14
- 229910002027 silica gel Inorganic materials 0.000 claims description 14
- 230000001050 lubricating effect Effects 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 12
- 230000008859 change Effects 0.000 abstract description 11
- 238000001035 drying Methods 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 230000001681 protective effect Effects 0.000 abstract description 4
- 229920006395 saturated elastomer Polymers 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 241000256844 Apis mellifera Species 0.000 abstract description 2
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 235000012907 honey Nutrition 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 235000015927 pasta Nutrition 0.000 description 6
- 238000009434 installation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Transformer Cooling (AREA)
Abstract
The utility model relates to a kind of on-line regeneration main transformer respiration apparatus with honeycomb heating function and comprises the respiratory siphon for absorbing air be arranged on conservator, the lower end of respiratory siphon is connected with moisture absorption tank, described moisture absorption tank comprises a tank body, multiple regular hexagon honeycomb separation is provided with in tank body, be provided with in each separation and be filled with hygroscopic agent, described separation is enclosed by multiple electric boiling plate longitudinally arranged and is formed.The utility model utilizes and has showed on-line heating drying regeneration; solve traditional main transformer respiration apparatus need manually change when the saturated inefficacy of hygroscopic agent moisture absorption; and also need in Renewal process exit the heavy watt protective device of main transformer and there is the problems such as major safety risks; thus the safe operation of powerful guarantee main transformer, it also avoid traditional main transformer respirator simultaneously and change waste and the environmental pollution of human and material resources in hygroscopic agent process.Due to the regular hexagon honeycomb separation heater structure of designed making, be make with reference to nature honeybee, honey stores the most rationally, efficient, the regular hexagon honeycomb of saving material, therefore there is the better efficiency of heating surface and save the huge advantage such as material, energy efficient.
Description
Technical field
The utility model relates to a kind of on-line regeneration main transformer respiration apparatus with honeycomb heating function.
Background technology
Main transformer is in operation, and can produce respiration by respiratory siphon and outside air, and as on respiratory siphon, nothing installs respirator, main transformer directly sucks extraneous humid air, more easily makes main transformer make moist especially in rainy day and high humidity weather.Tradition main transformer respiration apparatus is built with discolour silica gel hygroscopic agent; when its hygroscopic agent discolour silica gel moisture absorption is saturated; the hygroscopic agent needing staff to carry qualified drying or the moisture absorption tank installing qualified hygroscopic agent are changed to main transformer scene; in Renewal process, main transformer respiratory siphon directly communicates with ambient atmosphere; main transformer respiratory air flow can be caused to change; the catastrophe failure of the heavy watt malfunction of main transformer Buchholz relay may be caused; therefore traditional main transformer respiration apparatus just can carry out after heavy for a main transformer watt protective device must being exited when changing adsorbent, and disengaging time reaches 3-4 hour.
A heavy watt protection is that main transformer runs one of most important protective device; when there is in contingency the fault producing oil stream or gas shock in main transformer; heavy watt of Buchholz relay can action; main transformer switch is tripped; the further expansion of Accident prevention, now heavy watt as exited, and can not cut off main transformer switch; cause fault spread, even cause the serious consequence that main transformer explodes.Moving back heavy watt protective device need after unit one belongs to chief engineer approval, is operated by operations staff's transformer station's master-control room of making a special trip to a certain place, work consuming, consuming time and expend a lot of.
Be illustrated in figure 1 traditional main transformer respiration apparatus, one shortcoming of this device is, when changing discolour silica gel, after unloading moisture absorption tank, main transformer respiratory air flow directly communicates with ambient atmosphere, make moisture, moisture easily breathe connecting leg by main transformer to invade in main transformer oil, and change hygroscopic agent and can cause waste, simultaneously also easy contaminated environment.
Summary of the invention
The utility model makes improvement for above-mentioned prior art Problems existing, namely technical problem to be solved in the utility model is to provide a kind of on-line regeneration main transformer respiration apparatus and the using method thereof with honeycomb heating function, without the need to changing hygroscopic agent, solve traditional main transformer respiration apparatus to need to exit heavy watt when changing during hygroscopic agent and protect and there is the problems such as potential safety hazard, overcome main transformer respiratory siphon and ambient atmosphere when unloading moisture absorption tank directly to communicate and extraneous moisture moisture is directly sucked by main transformer respiratory air flow and causes the defect of making moist, thus the safe operation of powerful guarantee main transformer, it also avoid simultaneously and change manpower in hygroscopic agent process, the waste of material resources and environmental pollution, due to the regular hexagon honeycomb separation heater structure of designed making, make with reference to nature honeybee, it is the most reasonable that honey stores, efficiently, save the regular hexagon honeycomb of material, therefore there is the better efficiency of heating surface and save material, the advantages such as energy efficient, huge advantage is had compared with traditional main transformer respiration apparatus.
For achieving the above object, the technical solution adopted in the utility model is as follows: a kind of on-line regeneration main transformer respiration apparatus with honeycomb heating function, comprise main transformer and be arranged at the conservator at main transformer top, it is characterized in that: described conservator is provided with the respiratory siphon for absorbing air, the inner space of described respiratory siphon upper end and conservator, the lower end of described respiratory siphon is connected with moisture absorption tank, described moisture absorption tank comprises a tank body, multiple regular hexagon honeycomb separation is provided with in described tank body, be provided with in each separation and be filled with hygroscopic agent, described separation is enclosed by multiple electric boiling plate longitudinally arranged and is formed.
Further, lower end one three-way pipe of described respiratory siphon is connected with two moisture absorption tanks, and described three-way pipe is provided with the control valve controlling individual channel.
Further, a pneumostome is offered bottom described moisture absorption tank, described pneumostome is embedded with a filter screen, described tank base is connected with a lubricating cup, described being arranged in the lubricating cup of moisture absorption tank bottom fills transformer oil, described tank base one pneumostome lower end is extended with communicating pipe, described communicating pipe lower ending opening stretch in lubricating cup transformer oil in form oil sealing, there is aerial respiration gap between described lubricating cup top and tank base, suck part moisture and the dust of external air-flow entrained with for filtering main transformer.
Further, described hygroscopic agent is discolour silica gel.
Further, described electric boiling plate is electrically connected at electrical heating controller, when heating controller is opened, can control to keep certain heating current, prevent overheated burning out.
A kind of using method with the on-line regeneration main transformer respiration apparatus of honeycomb heating function, it is characterized in that: comprise a kind of on-line regeneration main transformer respiration apparatus with honeycomb heating function as claimed in claim 5, described two moisture absorption tanks are A moisture absorption tank and B moisture absorption tank, described A moisture absorption tank and B moisture absorption tank control electric boiling plate work by K switch 1 and K switch 2 respectively, and its application method step is as follows:
1) main transformer normally runs, and its conservator pasta varies with temperature and expands with heat and contract with cold, thus produces respiration, to balance the change of pressure on main transformer conservator pasta; Transformer oil respiratory air flow in main transformer conservator, the moisture absorption tank installed by respiratory siphon, respiratory siphon lower end and ambient atmosphere are breathed; When transformer oil pasta in main transformer conservator raises, exhalation air, on the contrary suck air;
2) the A moisture absorption tank of three-way pipe keeps the by-pass valve control be communicated with main transformer respiratory siphon to open, A moisture absorption tank is as main transformer respirator, B moisture absorption tank keeps the by-pass valve control be communicated with main transformer respiratory siphon to close, and B moisture absorption tank and main transformer respiratory siphon are isolated, and B moisture absorption tank is as backup breaths device;
3) along with the prolongation of breathing time, in A moisture absorption tank, hygroscopic agent was close to when losing efficacy, and B moisture absorption tank keeps the by-pass valve control be communicated with main transformer respiratory siphon to open, and using B moisture absorption tank as main transformer respirator, B moisture absorption tank keeps unobstructed with main transformer respiratory siphon;
4) A moisture absorption tank keeps the by-pass valve control be communicated with main transformer respiratory siphon to close, and A breather tank and main transformer respiratory siphon is isolated; Open electrical heating controller K1 switch, by the regular hexagon honeycomb electrical drying device in A moisture absorption tank, heat drying is carried out to hygroscopic agent;
5) when hygroscopic agent is replied dry, close electrical heating controller K1 switch, now A moisture absorption tank is as dehydrating breather for subsequent use;
6) when hygroscopic agent in B moisture absorption tank was close to when losing efficacy, exchange above operation, and open the K2 switch of electrical heating controller, above process constantly circulates repeatedly, realizes the on-line heating drying regeneration of hygroscopic agent, and without the need to changing hygroscopic agent.
Further, described hygroscopic agent is discolour silica gel, and when hygroscopic agent loses efficacy and be effective, silica gel color changed.
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
Accompanying drawing explanation
Fig. 1 is existing main transformer respirator scheme of installation;
Fig. 2 is a kind of on-line regeneration main transformer respirator scheme of installation with honeycomb heating function of the utility model;
Fig. 3 the utility model is moisture absorption tank decomposition texture schematic diagram;
Fig. 4 is honeycomb heater schematic diagram;
Fig. 5 is the respirator schematic diagram being provided with honeycomb heater;
Fig. 6 is Fig. 5 A-A cutaway view;
Fig. 7 is operating diagram when having hygroscopic agent drying in honeycomb heating function dehydrating breather;
Fig. 8 is Fig. 7 B-B cutaway view;
When Fig. 9 is for having the saturated inefficacy of hygroscopic agent moisture absorption in honeycomb heating function moisture absorption tank, open electric heater unit schematic diagram.
Figure 10 Fig. 9 C-C cutaway view.
Figure 11 is that (electrical heating controller controls to export heating current in setting range a kind of on-line regeneration main transformer respiration apparatus Automatic Control Theory block diagram with honeycomb heating function, K1, K2 locking is each other closed) during to ensure that drier is open at when losing efficacy and recovers effective.
In figure: 1-A moisture absorption tank, 2-A valve, 3-B moisture absorption tank, 4-B valve, 5-threeway, 6-honeycomb electric heater unit, 7-discolour silica gel hygroscopic agent, 8-electrical heating controller, 9-communicating pipe, 10-lubricating cup, 11-oil sealing, 12-aerial respiration gap, 13-filter screen, 14-main transformer respiratory siphon, 15-conservator, 16-main transformer.
Embodiment
A kind of on-line regeneration main transformer respiration apparatus with honeycomb heating function, comprise main transformer and be arranged at the conservator 15 at main transformer 16 top, described conservator 15 is provided with the main transformer respiratory siphon 14 for absorbing air, the inner space of described main transformer respiratory siphon 14 upper end and conservator, the lower end of described main transformer respiratory siphon 14 is connected with two moisture absorption tanks with through a three-way pipe, in the present embodiment, two moisture absorption tanks are A moisture absorption tank 1 and B moisture absorption tank 3, described three-way pipe is provided with the control valve controlling individual channel, wherein A moisture absorption tank 1 is communicated with main transformer respiratory siphon 14 and is controlled by A valve 2, B moisture absorption tank 3 is communicated with main transformer respiratory siphon 14 and is controlled by B valve 4.
A moisture absorption tank 1 and B moisture absorption tank 3 comprise a tank body, be provided with multiple regular hexagon honeycomb separation, be provided with and be filled with hygroscopic agent in each separation in described tank body, and described separation is enclosed by multiple electric boiling plate longitudinally arranged and formed, to form honeycomb electric heater unit 6.
The utility model adopts cellular separation, delicate structure, and materials are economized, and manufacture simple, the structure heat efficiency is the highest, and the separation utilizing electric boiling plate to make can realize heat drying fast, ensures that the Rapid Circulation of hygroscopic agent uses.In addition, adopt this structure to have good heat insulation and preservation effect, external temperature affects little on its internal temperature thus improves the efficiency of heating surface further.
A pneumostome is offered bottom moisture absorption tank, described pneumostome is embedded with a filter screen 13, described tank base is connected with a lubricating cup 10, described being arranged in the lubricating cup of moisture absorption tank bottom fills transformer oil, described tank base one pneumostome lower end is extended with communicating pipe 9, described communicating pipe lower ending opening stretch in lubricating cup transformer oil in form oil sealing 11, there is aerial respiration gap 12 between described lubricating cup top and tank base, suck part moisture and the dust of external air-flow entrained with for filtering main transformer.
The electric boiling plate of described formation separation is electrically connected at electrical heating controller, when heating controller is opened, can control to keep certain heating current, prevent overheated burning out.
Below said apparatus working method is set forth, described hygroscopic agent is adopted to be discolour silica gel in the present embodiment, when hygroscopic agent lost efficacy and effectively time silica gel color change and (when supposition is dry, change moisture absorption for pink for blue, represent by solid sphere after moisture absorption in diagram, non-moisture absorption is that hollow ball represents).
There is a using method for the on-line regeneration main transformer respiration apparatus of honeycomb heating function, it is characterized in that: its application method step is as follows:
1) main transformer normally run in its conservator pasta vary with temperature and expand with heat and contract with cold, thus produce respiration, to balance the change of pressure on main transformer conservator pasta; 2) the transformer oil respiratory air flow in main transformer conservator, the breather tank installed by respiratory siphon, respiratory siphon lower end and ambient atmosphere are breathed; 3) when transformer oil pasta in main transformer conservator raises, exhalation air, on the contrary suck air; 4) owing to containing moisture in air, particularly moist, sleety weather, moisture is larger, and the air breathed of main transformer conservator absorbs moisture wherein by the hygroscopic agent installed in breather tank, thus keep the drying of breathing air on main transformer conservator, ensure that the safe operation of main transformer; 5) when A moisture absorption tank 1 is as main transformer respirator, A valve 2 is opened, and A moisture absorption tank 1 keeps unobstructed with main transformer respiratory siphon 14, and now B valve 4 is closed, and B moisture absorption tank 3 and main transformer respiratory siphon 14 are isolated, and B moisture absorption tank 3 is as backup breaths device; 6) along with the prolongation of breathing time, when discolour silica gel in A moisture absorption tank 17 is close to losing efficacy, when namely most of discolour silica gel 7 changes pink into from blueness during drying, open B valve 4, using B moisture absorption tank 3 as main transformer respirator, B moisture absorption tank 3 keeps unobstructed with main transformer respiratory siphon; 7) close A valve 2, A breather tank 1 and main transformer respiratory siphon 14 are isolated; 8) open the K1 switch of electrical heating controller 8, carry out heat drying by the regular hexagon honeycomb electric heater unit 6 pairs of discolour silica gels 7 in A moisture absorption tank 1; 9) when discolour silica gel 7 from the pink that moisture absorption is saturated change into dry blue time, close electrical heating controller K1 switch, now A moisture absorption tank 1 is as backup breaths device; 10) when discolour silica gel 7 most of in B moisture absorption tank 3 changes pink into, exchange above operation, and open the K2 switch of electrical heating controller 8, above process constantly circulates repeatedly, realizes the on-line heating drying regeneration of hygroscopic agent, and without the need to changing hygroscopic agent.
The foregoing is only preferred embodiment of the present utility model, all equalizations done according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (5)
1. one kind has the on-line regeneration main transformer respiration apparatus of honeycomb heating function, comprise main transformer and be arranged at the conservator at main transformer top, it is characterized in that: described conservator is provided with the respiratory siphon for absorbing air, the inner space of described respiratory siphon upper end and conservator, the lower end of described respiratory siphon is connected with moisture absorption tank, described moisture absorption tank comprises a tank body, multiple regular hexagon honeycomb separation is provided with in described tank body, be provided with in each separation and be filled with hygroscopic agent, described separation is enclosed by multiple electric boiling plate longitudinally arranged and is formed.
2. a kind of on-line regeneration main transformer respiration apparatus with honeycomb heating function according to claim 1, lower end one three-way pipe of described respiratory siphon is connected with two moisture absorption tanks, and described three-way pipe is provided with the control valve controlling individual channel.
3. a kind of on-line regeneration main transformer respiration apparatus with honeycomb heating function according to claim 1 and 2, a pneumostome is offered bottom described moisture absorption tank, described pneumostome is embedded with a filter screen, described tank base is connected with a lubricating cup, described being arranged in the lubricating cup of moisture absorption tank bottom fills transformer oil, described tank base one pneumostome lower end is extended with communicating pipe, described communicating pipe lower ending opening stretch in lubricating cup transformer oil in form oil sealing, aerial respiration gap is had between described lubricating cup top and tank base, part moisture and the dust of external air-flow entrained with is sucked for filtering main transformer.
4. a kind of on-line regeneration main transformer respiration apparatus with honeycomb heating function according to claim 1, described hygroscopic agent is discolour silica gel.
5. a kind of on-line regeneration main transformer respiration apparatus with honeycomb heating function according to claim 3, described electric boiling plate is electrically connected at electrical heating controller, when heating controller is opened, can control to keep certain heating current, prevent overheated burning out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520011471.2U CN204315346U (en) | 2015-01-08 | 2015-01-08 | A kind of on-line regeneration main transformer respiration apparatus with honeycomb heating function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520011471.2U CN204315346U (en) | 2015-01-08 | 2015-01-08 | A kind of on-line regeneration main transformer respiration apparatus with honeycomb heating function |
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| CN204315346U true CN204315346U (en) | 2015-05-06 |
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| CN201520011471.2U Expired - Fee Related CN204315346U (en) | 2015-01-08 | 2015-01-08 | A kind of on-line regeneration main transformer respiration apparatus with honeycomb heating function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104715898A (en) * | 2015-01-08 | 2015-06-17 | 国家电网公司 | On-line regenerating main transformer breather with honeycomb structure and heating function and method |
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2015
- 2015-01-08 CN CN201520011471.2U patent/CN204315346U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104715898A (en) * | 2015-01-08 | 2015-06-17 | 国家电网公司 | On-line regenerating main transformer breather with honeycomb structure and heating function and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150506 Termination date: 20220108 |