CN208317043U - Petroleum gas dual-purpose type explosion-proof electromagnetic heater - Google Patents
Petroleum gas dual-purpose type explosion-proof electromagnetic heater Download PDFInfo
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- CN208317043U CN208317043U CN201820948031.3U CN201820948031U CN208317043U CN 208317043 U CN208317043 U CN 208317043U CN 201820948031 U CN201820948031 U CN 201820948031U CN 208317043 U CN208317043 U CN 208317043U
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- 239000003209 petroleum derivative Substances 0.000 title claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 43
- 239000010959 steel Substances 0.000 claims abstract description 43
- 210000002445 nipple Anatomy 0.000 claims abstract description 38
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 238000004880 explosion Methods 0.000 claims abstract description 23
- 238000004804 winding Methods 0.000 claims abstract description 21
- 230000006698 induction Effects 0.000 claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 9
- 238000009413 insulation Methods 0.000 claims description 18
- 230000007704 transition Effects 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000008646 thermal stress Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 238000003860 storage Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000005485 electric heating Methods 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 6
- 238000011084 recovery Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 27
- 239000003921 oil Substances 0.000 description 24
- 230000005291 magnetic effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000005294 ferromagnetic effect Effects 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 230000001112 coagulating effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
A kind of petroleum gas dual-purpose type explosion-proof electromagnetic heater belongs to oil and gas exploitation equipment technical field, it is intended to the electric heating equipment unreasonable structural design for solving existing petroleum gas oil recovery gas well, the problem poor for gas well its heating effect of recovering the oil.The cylinder type electromagnetic heater cylinder that it is used is one end of cylindrical tube equipped with external flange, the other end is formed with end socket, discharge conection is housed in cylinder external flange end, bottom is formed equipped with blow-off connection, finned tube connecting flange lid is welded with excessive pipe nipple, jacket type electromagnetic heater barred body is that electromagnet core type steel tube body is wound with electric induction winding coil, electromagnetic wand core pipe oversheath fin steel tube place composition is cased in outside, the excessive pipe nipple sealing flange of finned tube connects anti-explosion terminal box, filling has heating agent transmitting medium in closed cavity between electromagnetic wand core oversheath fin steel pipe and electromagnetic wand inner core tube.Its structure novel is practical, the tracing thermal-insulating and heated transportation suitable for oilfield exploitation well Oil-Gas Gathering Transferring Pipeline.
Description
Technical field
The utility model belongs to a kind of electricity of petroleum gas oil recovery gas well in oil and gas exploitation equipment technical field
Heating equipment.
Background technique
With the technological progress of oil and gas exploitation industry and increasingly developed, petroleum gas electricity adds on the gas well that recovers the oil to it
The technical requirements of hot equipment are also just higher and higher.In well-known technique, existing oil recovery gas well mouth electric heater equipment is main
It is for the high liquid phase electricity being made of electromagnetic heater main body, electromagnetic heating rod etc. for coagulating consistency crude oil heating technique principle and designing
Heating equipment, but limited by its construction, unreasonable structural design, this liquid phase electric heating equipment is actually used in oil gas mixing ratio
It is poor to be worth higher or high gas component oil recovery gas well its heating effect, the thermal efficiency is also low, and some cannot just be implemented at all
Heating in addition electric heater frequently overheat and cause to burn, when often shut-down well repair the electric heating equipment renewed, influencing oil field just
Often production, brings inconvenience to practical application.For the development and progress for being adapted to exploitation of oil-gas field industry, it is necessary to further
Improve and research and develop the novel electric heating equipment for being suitable for oil extraction in oil field gas well.
Summary of the invention
For overcome the deficiencies in the prior art, the electric heating equipment structure design of existing petroleum gas oil recovery gas well is solved
Unreasonable, poor for gas well its heating effect of recovering the oil problem.The purpose of the utility model is to provide a kind of overall structure is new
Type is practical, can be carried out heating, versatile, service life suitable for petroleum gas christmas well liquid phase and gas phase media
It is long, and the thermal efficiency is high, safety anti-explosive performance is good, new-type oil-gas mining well electric heating equipment easy to use.
The utility model solves above-mentioned used technical solution:
A kind of petroleum gas dual-purpose type explosion-proof electromagnetic heater, it includes: electromagnetic heater cylinder, electromagnetic heater
Stick, characterized in that further include high-temperature insulation conducting wire, finned tube connecting flange even lid, the excessive pipe nipple of finned tube closed type, explosion-proof
Terminal box, heating agent heat-conducting medium, the electromagnetic heater cylinder are that cylinder external flange, another is fitted with by one end of cylindrical tube
One end is conjuncted to be formed with cylinder end socket and is fitted with discharge conection, circle in the cylinder external flange end of electromagnetic heater cylinder
The bottom of column casing body pipe is fitted with cylinder type electromagnetic heater cylinder composed by blow-off connection, cylinder type electromagnetic heater cylinder
It is clamped with gasket between the cylinder external flange and finned tube connecting flange lid of body to be connected and fixed by fastening screw, finned tube connects
Acting flange lid welds again is connected with the excessive pipe nipple of finned tube closed type, and the electromagnetic heater stick is by the one of electromagnet core type steel tube body
The electromagnetic wand inner core tube steel tube body periphery wall of end weldering even conical input medium pipe fitting is configured to electric induction winding wire around being equipped with
The high-temperature insulation conducting wire of circle, and electromagnetic wand core pipe oversheath fin steel tube place group is housed in the outer cover of high-temperature insulation conducting wire
At jacket type electromagnetic heater barred body, electromagnetic wand inner core tube oversheath fin steel pipe wears even and welds and is connected in finned tube connecting flange
It welds and is connected on the excessive pipe nipple sealing flange of finned tube after lid and finned tube closed type transition pipe nipple, the excessive pipe nipple Sealing Method of finned tube
Sealing ring is clamped between blue and anti-explosion terminal box sealing flange to be fastenedly connected by connecting screw in anti-explosion terminal box, electromagnetic wand
Core pipe steel pipe cone input medium coupling weldering is connected on the central bore wall of anti-explosion terminal box sealing flange, and in electromagnetism
Between stick core oversheath fin steel pipe and the electromagnetic wand inner core tube for installing weldering company with anti-explosion terminal box sealing flange connected
Filling has heating agent transmitting medium in closed cavity.
Above-mentioned petroleum gas dual-purpose type explosion-proof electromagnetic heater, the electromagnetic wand core oversheath fin steel pipe periphery wall
Upper structure has helical metal radiating fin and is fitted with the thermally conductive baffle plate of c-type, in electromagnetic wand inner core tube inner tubal wall lumen channel
It is fitted with reciprocating type helical form medium deflector.
Above-mentioned petroleum gas dual-purpose type explosion-proof electromagnetic heater, the reciprocating type helical form deflector and c-type are thermally conductive
Baffle plate is the living body formula reciprocating type helical form deflector and the thermally conductive baffle plate of c-type that can be assembled and extract.
Above-mentioned petroleum gas dual-purpose type explosion-proof electromagnetic heater is fitted with 2- on the anti-explosion terminal box sealing flange
9 insulated enclosure conduction newel posts, end, the outer end of insulated enclosure conduction newel post inner end connection high-temperature insulation conducting wire are standby to connect power supply
Circuit.
Above-mentioned petroleum gas dual-purpose type explosion-proof electromagnetic heater, the electromagnetic wand inner core tube steel tube body periphery wall is around the home
The electric induction winding coil that is constituted of high-temperature insulation conducting wire be that individual event, three pole reactor answer any of winding coil.
Above-mentioned petroleum gas dual-purpose type explosion-proof electromagnetic heater, the electromagnetic wand inner core tube steel tube body periphery wall is around the home
The electric induction winding coil that is constituted of high-temperature insulation conducting wire be single fixed rated power winding coil, more power windings
Any electric induction winding coil of coil.
Above-mentioned energy-efficient petroleum gas dual-purpose type explosion-proof electromagnetic heater, outside the electromagnetic wand inner core tube steel tube body
The power supply that the electric induction winding coil that the high-temperature insulation conducting wire of peripheral wall around the home is constituted is connected is power frequency supply, variable-frequency electric
Source, medium-high frequency power supply any power supply.
Above-mentioned petroleum gas dual-purpose type explosion-proof electromagnetic heater, the finned tube closed type transition pipe nipple are pipe nipple pipe
Has any seed wing of the direct transition seal type transition pipe nipple of closed type transition pipe nipple, steel pipe of axial thermal stress temperature compensation function
Piece seal of tube type transition pipe nipple.
Above-mentioned petroleum gas dual-purpose type explosion-proof electromagnetic heater, the anti-explosion terminal box load are fixed on finned tube mistake
Spend any position of pipe nipple sealing flange, the excessive pipe nipple periphery wall body of finned tube closed type.
Above-mentioned petroleum gas dual-purpose type explosion-proof electromagnetic heater, the finned tube closed type transition pipe nipple tube body load
Thermal medium orifice outside connect high-order thermal medium expansion storage bin.
When the utility model is used, according to design requirement and actual needs, the petroleum gas dual-purpose type of the utility model is prevented
Blowdown control valve in the blow-off connection load of quick-fried electromagnetic heater, medium input pipe joint, discharge conection are connected respectively
Installation is connected in the pipeline of oil recovery gas well Oil-Gas Gathering Transferring Pipeline, the external corresponding power supply electricity of the terminal stud in anti-explosion terminal box
Source such as power frequency supply or variable-frequency power sources or medium-high frequency power supply just can carry out heating work to oil gas medium in collection oil/gas pipe line.
Stronger electromagnetic induction situation is just generated after energization when electromagnetic induction winding coil electric current passes through, makes ferromagnetic bar core steel pipe walls
Strong excitation field is generated rapidly, and high-intensity magnetic field is through ferromagnetic bar in-core steel pipe wall body and stick core oversheath fin steel pipe wall body
The magnetic field circulation circulation loop for forming closure, causes ferromagnetic bar core pipe wall body and outer wing under the action of magnetic field energy alternating characteristics
Strong and orderly magnetic field recycle stream is generated on piece sheath steel pipe wall body, and strong magnetic field flow shuttling movement is in ferromagnetic bar core
In the closed circuit of tube body and oversheath fin steel pipe wall body, thus cause steel pipe walls weight generate stronger magnetic hysteresis vortex heat,
Magnetic resistance heat and ring-around heat by thermal energy conduction and act on electric heater cavity pipeline rapidly and using thermal medium as carrier
The oil gas medium of middle flowing, at the same time, electromagnetic wand core pipe oversheath fin steel pipe walls weight is also by inductance Alternating Current Excitation institute
The equivalent exchange heat and the ring-around formed heat is absorbed by the shielding of inductance stray magnetic field leakage reactance that the reactive energy needed is discharged
Amount absorbs together, and directly acts on the oil that heating electromagnetic stick core pipe inner wall lumen neutralizes outer fin sheath outer wall of steel pipe flowing again
Heating agent transmitting medium in gas medium and electromagnetic wand core, while deflector and the thermally conductive baffling of c-type are blocked up in reciprocating type helical form sand prevention
Under the action of plate angle forces water conservancy diversion, the oil gas medium exchange capability of heat and intensity that flow in lumen is made to obtain the raising and increasing of several times
By force, its higher scattered heat transfer effect of oil and gas content flow velocity is better, to effectively improve the heat utilization rate and heating efficiency of equipment.
Since the utility model design uses above-mentioned technical proposal, the existing petroleum gas christmas of effective solution
The electric heating equipment unreasonable structural design of well, the problem poor for gas well its heating effect of recovering the oil.Through respectively Tarim Basin,
Qinghai, Jilin, Xinjiang, etc. oil fields carried out actual tests result on trial for several times show it have overall structure novel practical, fit
It can be carried out heating, versatile, long service life, and the thermal efficiency for petroleum gas christmas well liquid phase and gas phase media
The advantages that height, safety anti-explosive performance is good, easy to use, oil exploitation well or natural gas extraction well suitable for the high oil-gas ratio in oil field
Oil-Gas Gathering Transferring Pipeline in tracing thermal-insulating and heated transportation are implemented to oil gas medium.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and examples.
Attached drawing 1 is the structure diagram of the utility model embodiment.
Each label in attached drawing are as follows: 1 electromagnetic wand inner core tube；2 electromagnetic wand core oversheath fin steel pipes；3 finned tube closed type mistakes
Spend pipe nipple；4 cylinder type electromagnetic heater cylinders；5 anti-explosion terminal boxs；6 high-temperature insulation conducting wires；7 cylinder method for externally；8 finned tubes
Connecting flange lid；The excessive pipe nipple sealing flange of 9 finned tubes；10 anti-explosion terminal box sealing flanges；11 reciprocating type helical form deflectors；
The thermally conductive baffle plate of 12C type；13 heating agent heat-conducting mediums；14 insulated enclosure conduction newel posts；15 thermal medium temperature sensor grafting connect
Seat；16 thermal medium orifices；17 cylinder end sockets；18 discharge conections；19 explosion-proof temperature relay boxes；20 outlet medium temperatures pass
Sensor jack；21 sewage draining exit connectors.
Specific embodiment
Embodiment as shown in Fig. 1, the utility model include: cylinder type electromagnetic heater cylinder 4, jacket type electromagnetic heating
Barred body, high-temperature insulation conducting wire 6, finned tube connecting flange lid 8, the excessive pipe nipple 3 of finned tube closed type, anti-explosion terminal box 5, heating agent
Heat-conducting medium 13, the cylinder type electromagnetic heater cylinder 4 are that cylinder external flange 7, another is fitted with by one end of cylindrical tube
One end is conjuncted to be formed with cylinder end socket 17 and is fitted with discharge conection 18 in nearly 7 end side of cylinder external flange of cylindrical tube and prevents
Quick-fried temperature relay box 19, cylindrical tube bottom load blow-off connection 21 are formed, and cylinder external flange 7 is connected with finned tube
It is clamped with sealing ring between blind flange 8 to be connected and fixed by fastening screw, the company's of weldering closed type is excessively short again for finned tube connecting flange lid 8
Section 3, the jacket type electromagnetic heating barred body are to connect conical input medium pipe fitting by one end of electromagnet core type steel tube body
1 steel tube body periphery wall of electromagnetic wand inner core tube around being equipped with the high-temperature insulation conducting wire 6 for being configured to electric induction winding coil, and resistance to
The outer cover of high temperature insulated wire 6 is formed equipped with electromagnetic wand core pipe oversheath fin steel pipe 2, electromagnetic wand inner core tube oversheath wing
The spout part of piece steel pipe 2 welds even finned tube connecting flange lid 8 through concatenation and finned tube closed type transition pipe nipple 3 welds again and is connected in fin
It manages on excessive pipe nipple sealing flange 9, is clamped between the excessive pipe nipple sealing flange 9 of finned tube and anti-explosion terminal box sealing flange 10
Sealing ring is fastenedly connected anti-explosion terminal box 5, the 1 steel pipe cone input medium coupling of electromagnetic wand inner core tube by connecting screw
Hollow internal bore welding across anti-explosion terminal box sealing flange 10 is connected in the flange wall of anti-explosion terminal box sealing flange 10, and in electricity
Bar magnet core pipe oversheath fin steel pipe 2 and the electromagnetic wand inner core tube that weldering company is installed with anti-explosion terminal box sealing flange 10 connected
Filling has heating agent transmitting medium 13 in closed cavity between 1；It is fitted in the inner tube tube side channel of the electromagnetic wand inner core tube 1
Reciprocating type helical form medium deflector 11 is fitted with thermally conductive baffle plate 12 on 2 periphery wall of electromagnetic wand core pipe oversheath fin steel pipe；
The reciprocating type helical form medium deflector 11 and the thermally conductive baffle plate 12 of c-type are the living body formula reciprocating type spirals that can be assembled and extract
Shape medium deflector 11 and the thermally conductive baffle plate 12 of c-type；5 insulated enclosures are fitted on the anti-explosion terminal box sealing flange 10 to lead
Electric newel post 14, end, the outer end of 14 inner end of insulated enclosure conduction newel post connection high-temperature insulation conducting wire 6 are standby to connect electric power loop；Institute
It is conventional for stating the electric induction winding coil that the high-temperature insulation conducting wire 6 of 1 steel tube body periphery wall of electromagnetic wand inner core tube around the home is constituted
Fixation rated power winding coil；The excessive pipe nipple 3 of finned tube closed type is that pipe nipple steel pipe has axial thermal stress temperature-compensating
The excessive pipe nipple of the closed type of function；The 5 load fixing seal of anti-explosion terminal box is in excessive 3 outer end face of pipe nipple of finned tube closed type
The excessive pipe nipple sealing flange 9 of finned tube on.
Claims (10)
1. a kind of petroleum gas dual-purpose type explosion-proof electromagnetic heater, it includes electromagnetic heater cylinder, electromagnetic heater stick,
It is characterized in, further includes high-temperature insulation conducting wire (6), finned tube connecting flange lid (8), the excessive pipe nipple of finned tube closed type (3), prevents
Quick-fried terminal box (5), heating agent heat-conducting medium (13), the electromagnetic heater cylinder are fitted with outside cylinder by one end of cylindrical tube
Acting flange (7), the other end are conjuncted to be formed with cylinder end socket (17) and cylinder external flange (7) end in electromagnetic heater cylinder
It is fitted with discharge conection (18), the bottom of cylindrical tube pipe is fitted with cylinder type electromagnetism composed by blow-off connection (21) and adds
Hot device cylinder (4), between the cylinder external flange (7) and finned tube connecting flange lid (8) of cylinder type electromagnetic heater cylinder (4)
It is clamped with gasket to be connected and fixed by fastening screw, finned tube connecting flange lid (8) welds that be connected with finned tube closed type excessively short again
It saves (3), the electromagnetic heater stick is the electricity for connecting conical input medium pipe fitting by one end weldering of electromagnet core type steel tube body
Bar magnet inner core tube (1) steel tube body periphery wall is around being equipped with the high-temperature insulation conducting wire (6) for being configured to electric induction winding coil, and resistance to
The outer cover of high temperature insulated wire (6) is equipped with jacket type electromagnetic heating composed by electromagnetic wand core pipe oversheath fin steel pipe (2)
Device barred body, electromagnetic wand inner core tube oversheath fin steel pipe (2) company of wearing simultaneously weld and are connected in finned tube connecting flange lid (8) and finned tube is close
Envelope type transition pipe nipple (3) welds afterwards to be connected on the excessive pipe nipple sealing flange (9) of finned tube, the excessive pipe nipple sealing flange (9) of finned tube
Sealing ring is clamped between anti-explosion terminal box sealing flange (10) to be fastenedly connected by connecting screw in anti-explosion terminal box (5), electricity
The central bore for being connected in anti-explosion terminal box sealing flange (10) is welded in the cone input medium coupling of bar magnet inner core tube (1) steel pipe
On wall, and electromagnetic wand core oversheath fin steel pipe (2) and connected with anti-explosion terminal box sealing flange (10) install weldering connect
Electromagnetic wand inner core tube (1) between closed cavity in filling have heating agent heat-conducting medium (13).
2. petroleum gas dual-purpose type explosion-proof electromagnetic heater according to claim 1, characterized in that the electromagnetic wand core
Structure has helical metal radiating fin and is fitted with the thermally conductive baffle plate of c-type (12) on oversheath fin steel pipe (2) periphery wall, electricity
Reciprocating type helical form deflector (11) is fitted in bar magnet inner core tube (1) inner tubal wall lumen channel.
3. petroleum gas dual-purpose type explosion-proof electromagnetic heater according to claim 2, characterized in that the reciprocating type spiral shell
It revolves shape deflector (11) and the thermally conductive baffle plate of c-type (12) is the living body formula reciprocating type helical form deflector (11) that can be assembled and extract
With the thermally conductive baffle plate of c-type (12).
4. petroleum gas dual-purpose type explosion-proof electromagnetic heater according to claim 1, characterized in that the explosion-proof wiring
2-9 insulated enclosure conduction newel post (14), the connection of insulated enclosure conduction newel post (14) inner end are fitted on box sealing flange (10)
End, the outer end of high-temperature insulation conducting wire (6) are standby to connect electric power loop.
5. petroleum gas dual-purpose type explosion-proof electromagnetic heater according to claim 1, characterized in that electromagnetic wand inner core tube
(1) the electric induction winding coil that the high-temperature insulation conducting wire (6) of steel tube body periphery wall around the home is constituted is individual event, three pole reactor is answered
Winding coil it is any.
6. petroleum gas dual-purpose type explosion-proof electromagnetic heater according to claim 1 or 5, characterized in that in electromagnetic wand
The electric induction winding coil that the high-temperature insulation conducting wire (6) of core pipe (1) steel tube body periphery wall around the home is constituted is single fixed volume
Determine the winding coil of power, any electric induction winding coil of more power winding coils.
7. petroleum gas dual-purpose type explosion-proof electromagnetic heater according to claim 1, characterized in that electromagnetic wand inner core tube
(1) the electric induction winding coil that the high-temperature insulation conducting wire (6) of steel tube body periphery wall around the home is constituted connects power frequency supply, frequency conversion
Any power supply in power supply, high frequency electric source.
8. petroleum gas dual-purpose type explosion-proof electromagnetic heater according to claim 1, characterized in that finned tube closed type
Transition pipe nipple (3) is the direct transition seal of closed type transition pipe nipple, steel pipe that pipe nipple pipe has axial thermal stress temperature compensation function
Any finned tube closed type transition pipe nipple of type transition pipe nipple.
9. petroleum gas dual-purpose type explosion-proof electromagnetic heater according to claim 1, characterized in that anti-explosion terminal box
(5) load is fixed on any of the excessive pipe nipple sealing flange (9) of finned tube, the excessive pipe nipple of finned tube closed type (3) periphery wall body
Position.
10. petroleum gas dual-purpose type explosion-proof electromagnetic heater according to claim 1, characterized in that the fin seal of tube
Connect high-order thermal medium expansion storage bin outside the thermal medium orifice (16) of type transition pipe nipple (3) tube body load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820948031.3U CN208317043U (en) | 2018-06-20 | 2018-06-20 | Petroleum gas dual-purpose type explosion-proof electromagnetic heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820948031.3U CN208317043U (en) | 2018-06-20 | 2018-06-20 | Petroleum gas dual-purpose type explosion-proof electromagnetic heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208317043U true CN208317043U (en) | 2019-01-01 |
Family
ID=64707866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820948031.3U Active CN208317043U (en) | 2018-06-20 | 2018-06-20 | Petroleum gas dual-purpose type explosion-proof electromagnetic heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208317043U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610899A (en) * | 2020-12-16 | 2021-04-06 | 上海颢柏能源科技有限公司东营分公司 | Efficient energy-saving explosion-proof electromagnetic heater for petroleum and natural gas well mouth |
-
2018
- 2018-06-20 CN CN201820948031.3U patent/CN208317043U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610899A (en) * | 2020-12-16 | 2021-04-06 | 上海颢柏能源科技有限公司东营分公司 | Efficient energy-saving explosion-proof electromagnetic heater for petroleum and natural gas well mouth |
| CN112610899B (en) * | 2020-12-16 | 2021-08-31 | 上海颢柏能源科技有限公司东营分公司 | Efficient energy-saving explosion-proof electromagnetic heater for petroleum and natural gas well mouth |
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| TR01 | Transfer of patent right |
Effective date of registration: 20190813 Address after: 062650 No. 6 Mumendian Road, Mumendian Town, Qingxian County, Cangzhou City, Hebei Province Patentee after: Cangzhou Xin Lian electric control equipment Co., Ltd. Address before: 300 000 Fangli Avenue, Hongqiao District, Tianjin, No. 2 Fangli Hutong Patentee before: Wu Jing |