CN102041037A - Novel high voltage electricity introducing bar - Google Patents
Novel high voltage electricity introducing bar Download PDFInfo
- Publication number
- CN102041037A CN102041037A CN2009102082819A CN200910208281A CN102041037A CN 102041037 A CN102041037 A CN 102041037A CN 2009102082819 A CN2009102082819 A CN 2009102082819A CN 200910208281 A CN200910208281 A CN 200910208281A CN 102041037 A CN102041037 A CN 102041037A
- Authority
- CN
- China
- Prior art keywords
- bar
- rod
- cable
- cap
- high voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention relates to a novel high voltage electricity introducing bar belonging to the technical field of electro-desalting electric dehydration equipment in crude oil pretreatment. The equipment comprises a bar cap, a bar body and a connecting seat, wherein the bar body is connected with the bar cap and the connecting seat through a taper thread, and plug screws, cables, inner linings and inner lining sleeves are arranged in the bar cap, the bar body and the connecting seat. The upper part of the connecting seat is provided with a lock bolt and a lock nut for locking the cables, and the cables can be locked so that the installation is convenient. The bar cap of the lower end of an electrode bar, soaked in oil, is in a circular arc ball shape, thereby preventing electric arc ablation from being generated because the bar cap of the electrode bar is in a discharge electric arc for a long time, and moreover, an internal part is made of a high temperature-resistance and leakage-prevention insulating material, and the electric arc ablation cannot be generated in a partial discharge electric arc, thereby prolonging the service life. The upper end of the connecting seat is provided with a thread, and the thread is exposed outside an electro-desalting adapting tube and is connected with a hose, thereby greatly facilitating the overhauling.
Description
Technical field
The invention belongs to electric desalting and electro-dewatering equipment technical field in the crude oil upgrading process, in the particularly complete electric desalting electro-dewatering equipment high voltage electric introduced key part---the high voltage electric leading-in rod in the electric field.
Background technology
Complicated along with crude oil quality, the extent of corrosion to equipment in preprocessing process is also more and more serious.In order to alleviate corrosion to equipment, prolong the work-ing life of catalyzer, crude oil desalting is that petrochemical industry and oil refining enterprise carry out pretreated indispensable measure to crude oil.Crude oil is through once, often contain impurity such as sulphur, nitrogen in the resulting various oil fuel after the secondary processing, these impurity effects the quality of oil product, in deep processing and transportation, can cause serious corrosion to equipment.Enterprise of petrochemical refining often adopts the direct current purification apparatus to use acid-alkali treatment under high-voltage electric field oil product is made with extra care, and is that oil product reaches the defined technical indicator.We utilize the high voltage electrode rod that high voltage electric is introduced in electric desalting, the electrofining jar in purification apparatus.The voltage of supply of introducing jar is general all about 22KV, so the high voltage electric leading-in rod will guarantee long period safety and normally move, it must possess three conditions simultaneously: the one,, it must have high-insulativity, under the condition of 100,000 volts of test voltage, do not puncture, and guarantee in equipment long-term operation process, not puncture, otherwise it will make equipment not send electricity, and serious also can cause fire failure; The 2nd,, good high-temperature stability must be arranged, can long period work under the temperature about 140 ℃, in high voltage electric leading-in rod surface adsorption the creepage shelf depreciation that causes of charged particle, can not burn when temperature reaches more than 1000 ℃ yet and melt; The 3rd,, high voltage electric leading-in rod self structure, and with the installation of desalter, treatment tank tank body, all must guarantee not have to leak, and in equipment long-term operation process, under comparatively high temps and pressure state, crude oil or processed oil are non-leakage.For many years, forming the high voltage electric leading-in rod of various structure formations with many materials processings, owing to can not satisfy above-mentioned three conditions simultaneously, cause the puncture of high voltage electric leading-in rod, seepage or burn and melt, is that equipment can not normally move.This class situation, in electric desalting, electrorefining equipment failure, proportion has about 70%.In the equipment use of decades, people have carried out a large amount of explorations and improvement to the making material and the structure formation of high voltage electric leading-in rod, and the part shortcoming is overcome, and also be increased work-ing life.But, phenomenons such as puncture, seepage still happen occasionally, particularly in service at the direct current purification apparatus, owing to produce static on the high voltage electric leading-in rod surface, and adsorbed charged particle in a certain amount of medium, it is creepage that the high voltage electric leading-in rod is caused, and in the discharge of high voltage electric leading-in rod upper metal material components place, produce very high temperature.
Facts have proved, traditional electrode bar effect in electric desalting apparatus is good, but in the electrofining jar, added alkali in because of clean petroleum product, cause electric conductivity to improve, adopted high voltage in addition, easily produce creepage, flashover, burn out electrode bar, can not guarantee the normal operation of producing on the electrode bar surface.In addition, owing to the cable in the electrode bar easily rotates, in transportation, installation process
In very easy generation cable copper core break to fall and loose contact.Therefore electrode bar requires high temperature resistant, high insulating property in refining, desalination operational process, in use not creepage, not flashover, do not puncture.
By retrieval, two kinds of electrode leading-in rods are disclosed at present, be respectively the high voltage electrode rod of application number 95239810.9 and the high temperature resistant combined type high voltage electric leading-in rod of application number 03259374.0, above-mentionedly in normal course of operation, can meet the demands substantially, but meet on occasion under the situation that oil quality is very poor, foreign matter content is many, saltiness is high, because the lower end of two kinds of electrode bars all is the structure that has seamed edge, the electrode bar of this structure is at the long-term discharge of equipment generation arc erosion in service, thereby shortened the life-span of electrode leading-in rod.Two kinds of electrode leading-in rods all are to take over by oil tank to install in addition, electrode bar connection seat part is installed in the adapter, take over and the oil tank connection, therefore the pressure release of oil tank oil need be moved back oil when the maintenance transformer is changed the connection flexible pipe can operate, extremely inconvenient, seriously influenced the ordinary production of enterprise.
Summary of the invention
Purpose of the present invention exactly will at existing electrode bar the medium-term and long-term discharge operation of low grade oils produce arc erosion cause work-ing life long, install inconveniently, easily problem such as leakage is carried out texture improvement.At the problems referred to above, a kind of novel high-pressure electricity leading-in rod now is provided, this high voltage electric leading-in rod is safe and reliable, and good insulation preformance does not puncture, and is not creepage, do not reveal long service life and easy for installation.
Technical scheme of the present invention is:
A kind of novel high-pressure electricity leading-in rod, comprise excellent cap, barred body and connection seat, described barred body is connected with excellent cap, connection seat by taper thread, and in excellent cap, barred body and connection seat, plug screw, cable, liner and neck bush are set, connection situation each other is: plug screw is connected by taper thread with barred body, liner inside is inserted with the neck bush outside and is connected with barred body by taper thread, and cable places in the middle of the entire structure.The copper core is arranged in the cable, have the tetrafluoro insulating material to coat outward, high voltage electric can be incorporated in the jar by the copper core.Described excellent cap is the circular arc sphere, and opens an aperture at 40～50mm place, distance end.Described seat upper end is one section taper thread.Securing bolt and set nut that locking cable is arranged on described seat top.Described neck bush is that high-temperature insulation material is made, preferred PTFE.
In this equipment, plug screw is connected with barred body by taper thread, plays sealing function to a certain extent, prevents that oil from entering in the cable, produces discharge.Be further to improve stopping property, with the external hose junction one pad arranged, and the taper thread of connection seat upper end is exposed at outside the tank body adapter, pad can be compressed when hose connection, prevent the oil leakage of connecting portion on connection seat top.
Aspect insulation protection, the neck bush that this novel high-pressure electrode leading-in rod has adopted interior high temperature insulating material to make, and cable is coated with the tetrafluoro insulating material, and the conductive copper core is wrapped in the inside avoids that discharge burns out the electrode leading-in rod in outside charged cause jar.
The excellent cap end of this novel high-pressure electrode leading-in rod is made into the circular arc sphere, designs the arc structure that this seamlessly transits, and can avoid producing arc erosion in shelf depreciation electric arc.The effect of offering an aperture at distance 40～50mm place, excellent cap end be by
This hole links together excellent cap and plug screw, also high voltage electric can be imported on the excellent cap by this hole.
Connection seat upper end is designed to taper thread, this screw thread is connected with flexible pipe, after the adapter seat board installs, just this part is no longer identical with oil tank inside not in taking over but on the outer top of seat board for the battery lead plate threaded portion, therefore when maintenance is installed or change flexible pipe, transformer and change oil not need to open and take over seat board and do not need that more oil tank is carried out pressure release and move back oil, so greatly facilitate maintenance.
The securing bolt and the set nut of locking cable arranged at connection seat top, solved in electrode bar installation, the transportation because of the barred body inner cable easily rotates the cable copper core that produces to break to fall and the problem that opens circuit of loose contact.
The invention has the beneficial effects as follows:
1) the lower end rod cap that electrode bar is immersed in the oil product is designed to the circular arc sphere, thus avoided because of the cylindrical circumference seamed edge in refining, demineralising process the electrode bar cap because of in electrical discharge arc, producing arc erosion for a long time, thereby increase the service life.
2) electrode bar was taken over by oil tank originally and installed, and electrode bar connection seat part is installed in the adapter, and adapter and oil tank are communicated with, and therefore the pressure release of oil tank oil need be moved back oil when the maintenance transformer is changed the connection flexible pipe and can operate, and was extremely inconvenient.Now will join the seat upper end portion and be designed to one section taper thread, this screw thread is connected with flexible pipe, after the adapter seat board installs, just this part is no longer identical with oil tank inside not in taking over but on the outer top of seat board for the battery lead plate threaded portion, therefore when maintenance is installed or change flexible pipe, transformer and change oil not need to open and take over seat board and do not need that more oil tank is carried out pressure release and move back oil, so greatly facilitate maintenance.
3) securing bolt and the set nut of locking cable arranged at connection seat top, solved in electrode bar installation, the transportation because of the barred body inner cable easily rotates the cable copper core that produces to break to fall and the problem that opens circuit of loose contact.
4) the present invention adopts taper thread to connect sealing, and seals at connection seat and external hose junction increase pad, and the double seal protection makes the present invention have superior sealing property.
Comprehensive above-mentioned feature, the present invention has superior high-insulativity, and high pressure resistant antiseep and advantage such as high temperature resistant particularly produce under the pyritous state in shelf depreciation, also can not burn and melt; Big broad aspect maintenance is installed, compare with existing high voltage electrode rod, improved work-ing life to a great extent.
Description of drawings
Fig. 1 is a high voltage electric leading-in rod structural representation of the present invention
Fig. 2 is the partial enlarged drawing at the present invention's rod cap position
Fig. 3 is the partial enlarged drawing at existing excellent cap position
Among the figure: 1. rod cap; 2. plug screw; 3. barred body; 4. cable; 5. liner; 6. join seat; 7. neck bush; 8. pad; 9. securing bolt; 10. set nut;
Embodiment
The invention will be further elaborated below in conjunction with drawings and Examples.
This novel high-pressure electricity leading-in rod, comprise excellent cap (1), barred body (3) and connection seat (6), and in excellent cap (1), barred body (3) and connection seat (6), plug screw (2), cable (4), liner (5) and neck bush (7) are set, connection situation each other is: plug screw (2) is connected by taper thread with barred body (4), liner (5) inside is inserted with neck bush (7) outside and is connected with barred body (3) by taper thread, in the middle of cable (4) places.Rod cap (1) lower surface has a big hole that is connected with conducting rod, by this hole the high voltage electric on the cable is imported in refining, the desalter inner high voltage electric field by conducting rod; Rod cap (1) upper end is connected with barred body (3) by taper thread, barred body (3) outer end taper thread is connected with connection seat (6), two-part taper thread is tightly connected and has avoided a jar interior conductive oil to enter in the high voltage electrode leading-in rod to a certain extent, makes the electrode leading-in rod produce discharge and burns out cable; The taper thread that is positioned at connection seat (6) middle portion is to be used for the high voltage electric leading-in rod is fixed on the seat board that is connected with tank body, can be for convenience detach by being threaded, change and maintenance.Connection seat (6) upper end taper thread is to be used for being connected with flexible pipe, between flexible pipe and the connection seat pad (8) that seals is arranged, can prevent that transformer oil is leaked in the jar by this connecting portion, also can avoid external conductive oil to enter in the high voltage electrode leading-in rod, produce discharge and burn out the electrode leading-in rod.The locking latches of locking cable is arranged at connection seat (6) top, it comprises securing bolt (9) and set nut (10), can fix built-in cable (4) by locking latches and not rotate, avoid the problem that opens circuit that the copper core comes off and causes in the cable with the rotation of electrode leading-in rod in installation or transportation.For increasing the insulating property of high voltage electrode leading-in rod, in barred body (3) and connection seat (6), set up the neck bush of making by high-temperature insulation material (7), neck bush (7) inserts in the liner (5), is linked together by taper thread and connection seat (6) by liner (5).Liner (5) not only plays insulating effect with the subassembly of neck bush (7) at this, has also avoided external conductive oil to enter in the high voltage electrode leading-in rod simultaneously.Cable (4) passes locking latches and neck bush extend into hypomere in the barred body, the bottom is sealed in cable (4) barred body (3) and joins in the seat (6) by plug screw (2), and plug screw (2) is connected with barred body (3) by taper thread, has avoided conductive oil to enter in the cable by the aperture of opening on the excellent cap (1) to a certain extent.After all parts install,, excellent cap (1) and plug screw (2) are welded together by the aperture of opening on the excellent cap (1), and little eyelet welding is dead, prevent that jar interior conductive oil from entering into the high voltage electrode leading-in rod by this hole.
Rod cap (1) is the circular arc sphere, and opens an aperture at 40～50mm place.Connection seat (6) upper end is one section taper thread.The securing bolt (9) and the set nut (10) of locking cable arranged at connection seat (6) top.Cable (4) coats cable for tetrafluoro.Described neck bush (7) is made for high-temperature insulation material, preferred PTFE.
It is to be connected with seat board on being installed in electric desalting or electrofining equipment by connection seat (6) middle cone screw thread that novel high-pressure electrode leading-in rod of the present invention and electric desalting or electrofining are installed, and flexible pipe one end is connected with transformer, one end is connected with the taper thread of connection seat (6) upper end, high voltage electric is imported from transformer in the high voltage electrode leading-in rod, and conducting rod is incorporated into high voltage electric in the high-voltage electric field in electric desalting or the electrofining equipment by being connected with circular macropore under the excellent cap (1) then.In electric desalting or the electrofining equipment running process, the transformer oil in jar in oil product or the flexible pipe may be from flexible pipe and connection seat (6) junction, connection seat (6) and barred body (3) junction, barred body (3) and excellent cap (1) junction seepage.Because flexible pipe has adopted the reasonable taper thread of sealing property to be connected with connection seat (6), and is provided with pad (8) in both junctions, can there be leakage completely to guarantee the junction between flexible pipe and the connection seat (6).Barred body (3) is provided with taper thread different in size inside and outside the upper end, connect liner (5) in the external seat (6), the connection of twice taper thread also can enter in the high voltage electric leading-in rod to prevent external conductive oil completely, and be provided with the neck bush of insulation and sealing function in the barred body (3) again, double seal and insulation system make seepage cannot take place more.Barred body (3) and excellent cap (1) adopted equally sealing property preferably taper thread be connected, and set up plug screw (2) in inside and be connected with barred body (3) by taper thread, the design of cross structure has avoided external conductive oil to enter in the electrode bar.
Securing bolt (9) and the set nut (10) of locking cable arranged at connection seat (6) top, solved in electrode bar installation, the transportation because of the barred body inner cable easily the cable copper core that produces of rotation break to fall and the problem that opens circuit of loose contact.The lower end rod cap (1) that electrode bar is immersed in the oil product is designed to circular arc sphere structure as shown in Figure 2, thereby avoided because of the cylindrical circumference seamed edge as shown in Figure 3 structure introduce bar cap because of in electrical discharge arc, producing arc erosion for a long time at refining, demineralising process mesohigh electricity, thereby increase the service life.
The high voltage electric leading-in rod was taken over by oil tank originally and installed, and high voltage electric leading-in rod connection seat part is installed in the adapter, and adapter and oil tank are communicated with, and therefore the pressure release of oil tank oil need be moved back oil when the maintenance transformer is changed the connection flexible pipe and can operate, and was extremely inconvenient.Now will join the seat upper end portion and be designed to one section taper thread, this screw thread is connected with flexible pipe, after the adapter seat board installs, just this part is no longer identical with oil tank inside not in taking over but on the outer top of seat board for the battery lead plate threaded portion, therefore when maintenance is installed or change flexible pipe, transformer and change oil not need to open and take over seat board and do not need that more oil tank is carried out pressure release and move back oil, so greatly facilitate maintenance.
Claims (6)
1. novel high-pressure electricity leading-in rod, comprise excellent cap (1), barred body (3) and connection seat (6), it is characterized in that: described barred body (3) is connected with excellent cap (1), connection seat (3) by taper thread, and in excellent cap (1), barred body (3) and connection seat (6), plug screw (2), cable (4), liner (5) and neck bush (7) are set, connection situation each other is: plug screw (2) is connected by taper thread with barred body (4), liner (5) inside is inserted with neck bush (7) outside and is connected with barred body (3) by taper thread, in the middle of cable (4) places.
2. according to the described a kind of novel high-pressure electricity leading-in rod of claim 1, it is characterized in that: described excellent cap (1) is the circular arc sphere, and opens an aperture at 40～50mm place, distance end.
3. according to the described a kind of novel high-pressure electricity leading-in rod of claim 1, it is characterized in that: described seat (6) upper end is one section taper thread.
4. according to the described a kind of novel high-pressure electricity leading-in rod of claim 1, it is characterized in that: securing bolt (9) and set nut (10) that locking cable is arranged on described seat (6) top.
5. according to the described a kind of novel high-pressure electricity leading-in rod of claim 1, it is characterized in that: described cable (4) coats cable for tetrafluoro.
6. according to the described a kind of novel high-pressure electricity leading-in rod of claim 1, it is characterized in that: described neck bush (7) is made for high-temperature insulation material, preferred PTFE.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102082819A CN102041037A (en) | 2009-10-22 | 2009-10-22 | Novel high voltage electricity introducing bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102082819A CN102041037A (en) | 2009-10-22 | 2009-10-22 | Novel high voltage electricity introducing bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102041037A true CN102041037A (en) | 2011-05-04 |
Family
ID=43907586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102082819A Pending CN102041037A (en) | 2009-10-22 | 2009-10-22 | Novel high voltage electricity introducing bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102041037A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105713652A (en) * | 2014-08-10 | 2016-06-29 | 长江(扬中)电脱盐设备有限公司 | High-voltage electricity introducing rod |
| CN105885921A (en) * | 2014-11-21 | 2016-08-24 | 长江(扬中)电脱盐设备有限公司 | Self-tight-sealing high voltage introduction bar |
| CN114015470A (en) * | 2021-11-10 | 2022-02-08 | 长江三星能源科技股份有限公司 | Anti-leakage high-voltage electricity leading-in rod |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2160661Y (en) * | 1993-06-13 | 1994-04-06 | 中美合资镇江金门化工制品有限公司 | High-voltage leading-in rod |
| CN2228804Y (en) * | 1995-05-24 | 1996-06-12 | 扬中市有机化工厂 | High voltage electrode bar |
-
2009
- 2009-10-22 CN CN2009102082819A patent/CN102041037A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2160661Y (en) * | 1993-06-13 | 1994-04-06 | 中美合资镇江金门化工制品有限公司 | High-voltage leading-in rod |
| CN2228804Y (en) * | 1995-05-24 | 1996-06-12 | 扬中市有机化工厂 | High voltage electrode bar |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105713652A (en) * | 2014-08-10 | 2016-06-29 | 长江(扬中)电脱盐设备有限公司 | High-voltage electricity introducing rod |
| CN105885921A (en) * | 2014-11-21 | 2016-08-24 | 长江(扬中)电脱盐设备有限公司 | Self-tight-sealing high voltage introduction bar |
| CN114015470A (en) * | 2021-11-10 | 2022-02-08 | 长江三星能源科技股份有限公司 | Anti-leakage high-voltage electricity leading-in rod |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102041037A (en) | Novel high voltage electricity introducing bar | |
| CN201498284U (en) | Ultra-high pressure GIS wire inlet and outlet composite insulating sleeve | |
| CN101572141A (en) | Cascade high-voltage bushing | |
| CN112072474A (en) | Multichannel discharging device for accelerating electrical aging of insulating silicon oil | |
| CN204237748U (en) | A kind of self-sealing packing formula high voltage electric leading-in rod | |
| CN205609314U (en) | Dry -type transformer sleeve pipe end screen extraction device | |
| CN206349738U (en) | Voltage electrical penetration piece in ultralow temperature | |
| CN103187686A (en) | Extra-high-pressure wall bushing | |
| CN101645337B (en) | Compound insulating sleeve of extra-high voltage GIS incoming and outgoing line | |
| CN104217772A (en) | High-temperature high-pressure electrical penetration assembly | |
| CN204631204U (en) | A kind of GIS cable termination test unit | |
| CN206237027U (en) | Modified 10kV American Unit Substations with eyes through hole and protective cover | |
| CN214654677U (en) | Waterproof partition type high-voltage electrode introducing rod | |
| CN204385133U (en) | A kind of high voltage electric leading-in rod | |
| CN206003975U (en) | Low temperature immersed pump power cable seals transmission mechanism | |
| CN105885921A (en) | Self-tight-sealing high voltage introduction bar | |
| CN107181221A (en) | A kind of insulating sleeve and the gas-filling cabinet with the insulating sleeve | |
| CN114388153A (en) | Glass-metal sealed electrical penetration assembly for pressurized water reactor containment | |
| CN208368338U (en) | A kind of bushing shell for transformer of high shielding properties | |
| CN203242476U (en) | Transformer bushing | |
| CN202996529U (en) | Threaded type leading-out device of transformer bushing end screen signal | |
| CN213584781U (en) | Insulation mechanism of distribution equipment | |
| CN201234114Y (en) | Epoxy seat for electric cable accessory | |
| CN213400715U (en) | Insulator for bushing voltage tap test | |
| CN201522894U (en) | High-voltage insulated sleeve of electric dehydrator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110504 |