CN106479439A - A kind of ice melting agent for transformer station and preparation method thereof - Google Patents
A kind of ice melting agent for transformer station and preparation method thereof Download PDFInfo
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- CN106479439A CN106479439A CN201610896683.2A CN201610896683A CN106479439A CN 106479439 A CN106479439 A CN 106479439A CN 201610896683 A CN201610896683 A CN 201610896683A CN 106479439 A CN106479439 A CN 106479439A
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- ice melting
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- melting agent
- transformer station
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- 230000008018 melting Effects 0.000 title claims abstract description 57
- 238000002844 melting Methods 0.000 title claims abstract description 57
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 92
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 55
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims abstract description 48
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000003756 stirring Methods 0.000 claims abstract description 36
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 11
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000008367 deionised water Substances 0.000 claims abstract description 10
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 6
- NWYRNCMKWHKPAI-UHFFFAOYSA-N C(=O)=O.[Na] Chemical compound C(=O)=O.[Na] NWYRNCMKWHKPAI-UHFFFAOYSA-N 0.000 claims 1
- 231100000331 toxic Toxicity 0.000 abstract description 2
- 230000002588 toxic effect Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 14
- 230000007797 corrosion Effects 0.000 description 12
- 238000005260 corrosion Methods 0.000 description 12
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 11
- 239000001110 calcium chloride Substances 0.000 description 9
- 229910001628 calcium chloride Inorganic materials 0.000 description 9
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000008014 freezing Effects 0.000 description 5
- 238000007710 freezing Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 229910000975 Carbon steel Inorganic materials 0.000 description 4
- 239000010962 carbon steel Substances 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000003085 diluting agent Substances 0.000 description 3
- 229940031098 ethanolamine Drugs 0.000 description 3
- 229910052573 porcelain Inorganic materials 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241001464837 Viridiplantae Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000000959 cryoprotective effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/18—Materials not provided for elsewhere for application to surfaces to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces
- C09K3/185—Thawing materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
Abstract
The invention discloses a kind of preparation method of the ice melting agent for transformer station, comprise the steps of:1), by weight percentage, in the state of stirring, successively by propylene glycol：26%～34%, diethylene glycol：46%～52% adds in container, continues stirring, fully dissolves；2), by weight percentage, in the state of stirring, continue to sequentially add triethanolamine：1%～3%, natrium carbonicum calcinatum：2%～4%, stirring is simultaneously fully dissolved；3), by weight percentage, in the state of stirring, by deionized water：13%～18% addition step 2) in the solution that has been completely dissolved, the pH value making solution is 6.5～7.2；4), after stirring 30 minutes, 4 hours are stood；5) last, filter subpackage with 1 micron of filter；The ice melting agent of transformer station of the present invention adopts nanotechnology, its pH value close to 7, the equal non-corrosiveness to power equipment, no any toxic action to environment.
Description
Technical field
The invention belongs to transformer station's ice-melt, anti-icing technical field and in particular to a kind of ice melting agent for transformer station and its
Preparation method.
Background technology
China had made significant headway to the development of ice melting agent in recent years, but it is mainly in road, bridge, building
Deng the removing of surface ice and snow, a ice melting agent is not therefore also had to research and develop for transformer station, and ice-melt in the market
Agent there is also many defects in actual use, and such as to concrete-bridge and road, periphery green plants have serious
Corrosivity and murder by poisoning, the service life of serious curtailment building, causes its upkeep cost high；Ice melting agent is short for action time, long-pending
Need repeatedly sprinkling etc. when snowfall is many, be not particularly suited for transformer station's icing and remove.So transformer station of current China is commonly used
De-icing method has directly using the two methods of next powered knockout ice slush of insulated operating rod and ground connection bar.Although confirming in practice
The effectiveness of utensil, but using above still suffering from some problems, such as ice-melt efficiency is slow, must have substantial amounts of manpower, to transformer station's instrument
Equipment have infringement, electrical equipment need in defects such as ice-melts under power down mode, therefore China be directed to transformer station's icing clear with ice melting agent
Except also in blank stage.
Content of the invention
In view of this, in order to overcome the deficiencies in the prior art, the present invention provide a kind of ice melting agent for transformer station and its
Preparation method, can effectively remove transformer station's icing, the secondary icing after also preventing transformer station's icing from removing, and reduce and make because of ice and snow
The converting station electric power accident becoming.
For achieving the above object, technical scheme is as follows：
A kind of preparation method of the ice melting agent for transformer station, comprises the steps of：
1), by weight percentage, in the state of stirring, successively by propylene glycol：26%～34%, diethylene glycol：
46%～52% adds in container, continues stirring, fully dissolves；
2), by weight percentage, in the state of stirring, continue to sequentially add triethanolamine：1%～3%, anhydrous carbon
Sour sodium：2%～4%, stirring is simultaneously fully dissolved；
3), by weight percentage, in the state of stirring, by deionized water：13%～18% addition step 2) complete
In the solution of CL, the pH value making solution is 6.5～7.2；
4), after stirring 30 minutes, 4 hours are stood；
5) last, filter subpackage with 1 micron of filter.
Further, comprise following component by weight percentage：Propylene glycol：32%, diethylene glycol：46%, three ethanol
Amine：1%, natrium carbonicum calcinatum：2%, deionized water：17%, balance of impurity.
Further, comprise following component by weight percentage：Propylene glycol：31%, diethylene glycol：50%, three ethanol
Amine：1%, natrium carbonicum calcinatum：2%, deionized water：14%, balance of impurity.
Further, comprise following component by weight percentage：Propylene glycol：28%, diethylene glycol：48%, three ethanol
Amine：2%, natrium carbonicum calcinatum：3%, deionized water：16%, balance of impurity.
Further, the pH value of solution is 6.8.
Further, the pH value of solution is 7.
Further, the pH value of solution is 7.2.
The present invention also provides a kind of ice melting agent for transformer station, and described ice melting agent to be prepared using aforesaid method.
Beneficial effects of the present invention are：The ice melting agent for transformer station of the present invention adopts nanotechnology, according to certain
Proportioning merges various raw materials, and its pH value, close to 7, belongs to neutral, therefore to electric force pole tower, insulator chain, metal wire
Cable and the equal non-corrosiveness of power equipment, to plant, microorganism, soil, periphery water system and the no any toxic action of environment.
1) deionized water in ice melting agent etc. can reduce the electrical conductivity of ice melting agent well, so that in icing reset procedure
Power failure process need not be carried out to substation equipment, greatly improve electric power netting safe running natural law；
2) reagent such as propylene glycol has good cryoprotective effects, make ice melting agent under -15 DEG C to -33 DEG C of low temperature condition still
Outstanding ice melting capability can be kept, meet the ice melting agent technical specification of Administration of Quality and Technology Supervision of Beijing formulation, be a kind of Gao An
The ice melting agent of full property.In addition the triethanolamine in ice melting agent, natrium carbonicum calcinatum etc. can make ice melting agent remain to after using 30 minutes
Keep superpower ice melting capability, secondary icing can be stoped, usually can keep 24 hours not freezing.
Specific embodiment
Below in conjunction with embodiments of the invention, the technical scheme in the embodiment of the present invention is clearly and completely retouched
State it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the present invention
In embodiment, the every other enforcement that those of ordinary skill in the art are obtained under the premise of not making creative work
Example, broadly falls into the scope of protection of the invention.
Embodiment one
A kind of preparation method of the ice melting agent for transformer station, comprises the steps of：
1), by weight percentage, in the state of stirring, successively by propylene glycol：32%th, diethylene glycol：46% addition
In container, continue stirring, fully dissolve；
2), by weight percentage, in the state of stirring, continue to sequentially add triethanolamine：1%th, natrium carbonicum calcinatum：
2%, stirring is simultaneously fully dissolved；
3), by weight percentage, in the state of stirring, by deionized water：17% addition step 2) it is completely dissolved
Solution in, make solution pH value be 6.8；
4), after stirring 30 minutes, 4 hours are stood；
5) last, filter subpackage with 1 micron of filter.
Wherein, the freezing point (v that next time freezes:v,1:1 diluent)：≤-33℃.
Embodiment two
A kind of preparation method of the ice melting agent for transformer station, comprises the steps of：
1), by weight percentage, in the state of stirring, successively by propylene glycol：31%th, diethylene glycol：50% addition
In container, continue stirring, fully dissolve；
2), by weight percentage, in the state of stirring, continue to sequentially add triethanolamine：1%th, natrium carbonicum calcinatum：
2%, stirring is simultaneously fully dissolved；
3), by weight percentage, in the state of stirring, by deionized water：14% addition step 2) it is completely dissolved
Solution in, make solution pH value be 7；
4), after stirring 30 minutes, 4 hours are stood；
5) last, filter subpackage with 1 micron of filter.
Wherein, the freezing point (v that next time freezes:v,1:1 diluent)：≤-33℃.
Embodiment three
A kind of preparation method of the ice melting agent for transformer station, comprises the steps of：
1), by weight percentage, in the state of stirring, successively by propylene glycol：28%th, diethylene glycol：48% addition
In container, continue stirring, fully dissolve；
2), by weight percentage, in the state of stirring, continue to sequentially add triethanolamine：2%th, natrium carbonicum calcinatum：
3%, stirring is simultaneously fully dissolved；
3), by weight percentage, in the state of stirring, by deionized water：16% addition step 2) it is completely dissolved
Solution in, make solution pH value be 7.2；
4), after stirring 30 minutes, 4 hours are stood；
5) last, filter subpackage with 1 micron of filter.
Wherein, the freezing point (v that next time freezes:v,1:1 diluent)：≤-33℃.
Implementation result
First, a kind of ice melting agent ice-melt velocity measuring test for transformer station of the present invention
The method of mensure ice-melt speed more general at present has two kinds：One kind is the set time, measures in this time
Ice storage, another kind is that the ice melting agent measuring certain mass has melted the time needed for the ice of certain mass completely.In view of simplicity
Property and operability, this experiment adopts the former, that is,：Take the porcelain evaporating dishes of 8 lOOmL, built-in equivalent 50mL water, after freezing reality, incite somebody to action
The ice melting agent of equivalent spills on ice, measures 15min with tipping, the ice storage after 30min, 45min, 60min.When comparing different
Between Internal melt accumulation both may compare its ice-melt speed.Water yield is more, illustrates that ice-melt speed is faster.
(1) experimentation
A, in porcelain evaporating dishes inject 50mL distilled water, be placed in refrigerator-freezer, freeze under the conditions of 10 DEG C and be frozen into for 12 hours
Ice.
B, refrigerator doors are opened, temperature is respectively adjusted to 10 DEG C, 15 DEG C, 20 DEG C, 25 DEG C, 30 DEG C, -35 DEG C each porcelain is steamed
Send out ware to arrange in certain sequence neatly.
C, in 1 minute, lOg ice melting agent is uniformly scattered onto on ice pan face.Respectively in 15min, 30min, 45min,
Collect the ice melting after 60min, survey its volume.
(2) experimental result and discussion
When ice melting agent be sprinkling upon in ice face produce ice-melt effect when, can hear, ice crack sound, in the week of ice melting agent
Enclose and form a lot " pittings ", ultimately form the ice face in gully in length and breadth at the position having ice melting agent.
Table 1：Ice-melt rating results
Table 2：Ice-melt rating results under different temperatures
Can draw from Tables 1 and 2：The ice-melt speed of calcium chloride and transformer station's environment-friendly type ice melting agent is the fastest, is sodium chloride 2
About times；Very fast in the ice-melt speed of starting stage calcium chloride and transformer station's environment-friendly type ice melting agent, it is 4～5 times of sodium chloride, reason
It is calcium chloride and propylene glycol, diethylene glycol class material are respectively provided with stronger wettability power；Calcium chloride and transformer station's ring when -20 DEG C
Guarantor's type ice melting agent ice melting capability somewhat gap, sodium chloride now almost " lost efficacy "；At -30 DEG C, transformer station's environment-friendly type ice-melt
Agent also has preferable ice melting capability；In ice-melt effect from ice-melt speed and low temperature, transformer station's environment-friendly type ice melting agent series
It is superior to sodium chloride and calcium chloride.
2nd, a kind of ice melting agent for transformer station of the present invention is to corrosion of carbon steel rate determination
At present, conventional ice melting agent is calcium chloride, for elder generation is taking the ice melting agent that calcium chloride and the present invention are used for transformer station as a example
Bright, the mass percentage concentration of each ice melting agent is still 3%, and each style does two parallel laboratory tests.
Experimental result
After interval is soaked 7 days, calcium chloride solution and aqueous solution all become bronzing, and bottom has black precipitate to generate；This
Invent the ice-melt agent solution clear for transformer station, generation is no precipitated in bottom.It is immersed in calcium chloride solution and aqueous solution
Carbon steel coupon surface all cover one layer of dark brown color substance, after doing processing of rust removing, there is pitting corrosion phenomenon on steel disc surface, and is immersed in chlorination
Steel disc pitting corrosion phenomenon most serious in sodium solution；The steel disc being immersed in water also there occurs corrosion；It is immersed in this product solution
Steel disc surface-brightening as before.
Table 3：For transformer station ice melting agent with respect to calcium chloride and water corrosion inhibition rate
As can be seen from Table 3：The corrosive nature calcium chloride of ice melting agent>Water>Ice melting agent for transformer station；Single chlorination
Calcium is the most serious to the corrosion of carbon steel, its corrosion rate is 3 times of water, and corrosion depth is 4 times of water；Single water pair
Also more heavy corrosion speed and corrosion depth is 2 times about of transformer station's ice melting agent to steel corrosion；Ice-melt for transformer station
Agent is less to corrosion of carbon steel, also lower than the corrosivity of pure water.
Embodiment described above only have expressed embodiments of the present invention, and its description is more concrete and detailed, but can not
Therefore it is interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art,
Without departing from the inventive concept of the premise, some deformation can also be made and improve, these broadly fall into the protection model of the present invention
Enclose.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (8)
1. a kind of preparation method of the ice melting agent for transformer station is it is characterised in that comprise the steps of：
1), by weight percentage, in the state of stirring, successively by propylene glycol：26%～34%, diethylene glycol：46%～
52% adds in container, continues stirring, fully dissolves；
2), by weight percentage, in the state of stirring, continue to sequentially add triethanolamine：1%～3%, Carbon Dioxide
Sodium：2%～4%, stirring is simultaneously fully dissolved；
3), by weight percentage, in the state of stirring, by deionized water：13%～18% addition step 2) completely molten
In the solution of solution, the pH value making solution is 6.5～7.2；
4), after stirring 30 minutes, 4 hours are stood；
5) last, filter subpackage with 1 micron of filter.
2. a kind of ice melting agent for transformer station according to claim 1 preparation method it is characterised in that：Comprise as follows
Component by weight percentage：Propylene glycol：32%, diethylene glycol：46%, triethanolamine：1%, natrium carbonicum calcinatum：2%, go
Ionized water：17%, balance of impurity.
3. a kind of ice melting agent for transformer station according to claim 1 preparation method it is characterised in that：Comprise as follows
Component by weight percentage：Propylene glycol：31%, diethylene glycol：50%, triethanolamine：1%, natrium carbonicum calcinatum：2%, go
Ionized water：14%, balance of impurity.
4. a kind of ice melting agent for transformer station according to claim 1 preparation method it is characterised in that：Comprise as follows
Component by weight percentage：Propylene glycol：28%, diethylene glycol：48%, triethanolamine：2%, natrium carbonicum calcinatum：3%, go
Ionized water：16%, balance of impurity.
5. a kind of ice melting agent for transformer station according to claim 2 preparation method it is characterised in that：The pH of solution
It is worth for 6.8.
6. a kind of ice melting agent for transformer station according to claim 3 preparation method it is characterised in that：The pH of solution
It is worth for 7.
7. a kind of ice melting agent for transformer station according to claim 4 preparation method it is characterised in that：The pH of solution
It is worth for 7.2.
8. a kind of ice melting agent for transformer station it is characterised in that：Described ice melting agent adopts any one of claim 1-7
Method preparing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610896683.2A CN106479439B (en) | 2016-10-13 | 2016-10-13 | A kind of ice melting agent and preparation method thereof for substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610896683.2A CN106479439B (en) | 2016-10-13 | 2016-10-13 | A kind of ice melting agent and preparation method thereof for substation |
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| Publication Number | Publication Date |
|---|---|
| CN106479439A true CN106479439A (en) | 2017-03-08 |
| CN106479439B CN106479439B (en) | 2018-09-07 |
Family
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Cited By (11)
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| CN108963871A (en) * | 2018-09-07 | 2018-12-07 | 国家电网有限公司 | A kind of comprehensive apparatus for examination and repair of power circuit |
| CN109021922A (en) * | 2018-08-21 | 2018-12-18 | 国网河南省电力公司西峡县供电公司 | A kind of removing ice of power transmission line ice melting agent and preparation method thereof |
| CN109103810A (en) * | 2018-10-31 | 2018-12-28 | 国家电网有限公司 | A kind of online replacement insulator arrangement |
| CN109149491A (en) * | 2018-08-21 | 2019-01-04 | 国网河南省电力公司开封供电公司 | A kind of ice-melting device for transmission line |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109021922A (en) * | 2018-08-21 | 2018-12-18 | 国网河南省电力公司西峡县供电公司 | A kind of removing ice of power transmission line ice melting agent and preparation method thereof |
| CN109149491A (en) * | 2018-08-21 | 2019-01-04 | 国网河南省电力公司开封供电公司 | A kind of ice-melting device for transmission line |
| CN109167319A (en) * | 2018-09-07 | 2019-01-08 | 国家电网有限公司 | A kind of distribution network line deicer |
| CN109286151A (en) * | 2018-09-07 | 2019-01-29 | 国家电网有限公司 | A kind of long distance transmission line periodic cleaning device |
| CN108963871A (en) * | 2018-09-07 | 2018-12-07 | 国家电网有限公司 | A kind of comprehensive apparatus for examination and repair of power circuit |
| CN109217173B (en) * | 2018-09-30 | 2020-08-28 | 国网河南省电力公司西峡县供电公司 | Electrified maintenance robot for shockproof hammer of power transmission line |
| CN109327005B (en) * | 2018-09-30 | 2020-09-01 | 国网河南省电力公司西峡县供电公司 | Deicing and waterproofing agent spraying device for field power transmission line |
| CN109193538A (en) * | 2018-09-30 | 2019-01-11 | 国网河南省电力公司社旗县供电公司 | A kind of overhead transmission line periodic cleaning equipment |
| CN109217173A (en) * | 2018-09-30 | 2019-01-15 | 国网河南省电力公司西峡县供电公司 | A kind of vibration damper on power transmission line hotline maintenance robot |
| CN109327005A (en) * | 2018-09-30 | 2019-02-12 | 国网河南省电力公司西峡县供电公司 | A kind of field removing ice of power transmission line and waterproofing agent flusher |
| CN109301751A (en) * | 2018-10-27 | 2019-02-01 | 国网河南省电力公司西峡县供电公司 | A kind of damper hotline maintenance robot |
| CN109301751B (en) * | 2018-10-27 | 2020-09-01 | 国网河南省电力公司西峡县供电公司 | Electrified maintenance robot for damper |
| CN109103810B (en) * | 2018-10-31 | 2020-06-09 | 国家电网有限公司 | Online insulator replacing device |
| CN109449819B (en) * | 2018-10-31 | 2020-07-03 | 国家电网有限公司 | Insulator surface on-line monitoring device |
| CN109449819A (en) * | 2018-10-31 | 2019-03-08 | 国家电网有限公司 | A kind of insulator surface on-Line Monitor Device |
| CN109103810A (en) * | 2018-10-31 | 2018-12-28 | 国家电网有限公司 | A kind of online replacement insulator arrangement |
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