Summary of the invention
In order to overcome the deficiency of prior art, it is relatively poor that the existing electric heater of solution is used for oil heating immanent structure anti-explosion safety performance, awkward problem, the purpose of the utility model provides a kind of novel structure, design innovation, heat efficiency highly energy-consuming is low, long service life, the anti-explosion safety performance is good, can be easily in order to heat the new-type oil electric heating equipment of all kinds of gas mixtures or other liquid.
The technical scheme in the invention for solving the above technical problem is:
A kind of explosion-proof oil electromagnetic heater, it is provided with: ferromagnetic steel tube core, high-temperature insulation lead, steel sheath pipe, anti-explosion terminal box.The ferromagnetic steel tube core is that common oil feed pipe is the steel pipe core of iron core, the periphery wall of ferromagnetic steel tube core around the home the high-temperature insulation lead be the induction winding coil, and the steel sheath pipe of encapsulation sealing outside being wound with the ferromagnetic steel tube core of high-temperature insulation lead, be connected with anti-explosion terminal box on steel sheath pipe and the ferromagnetic steel tube core, the wiring conductive pole that is equiped with the tape insulation sealing gasket in the anti-explosion terminal box is connecting the termination of high-temperature insulation lead.
Above-mentioned explosion-proof oil electromagnetic heater, described steel sheath pipe are that load 1 is to several ferromagnetic steel tube cores that are wound with the high-temperature insulation lead in 1 steel sheath pipe, and the best is 1~9 and is connected and is the ferromagnetic steel tube core of one.
Above-mentioned explosion-proof oil electromagnetic heater, described steel sheath pipe are by 1~5 so that the steel sheath pipe that several interior load is wound with high-temperature insulation lead ferromagnetic steel tube core connects to form.
Above-mentioned explosion-proof oil electromagnetic heater, the wiring conductive pole of the tape insulation sealing gasket of load is the 1 wiring conductive pole to several mutual sealed insulations in the described anti-explosion terminal box, and high-temperature insulation lead termination, the other end that an end of wiring conductive pole connects the induction winding coil connect electric power loop fully.
Above-mentioned explosion-proof oil electromagnetic heater, around the home high-temperature insulation lead is single-phase winding, three phase windings on the described ferromagnetic steel tube core, its winding can connect power frequency supply or middle and high frequency power constitutes the electrothermal load loop.
Above-mentioned explosion-proof oil electromagnetic heater, described ferromagnetic steel tube core is round steel pipe, square steel tube, or other suitable shape steel tube.
During use, with electric heater load of the present utility model to set such as on production wellhead, pipeline road, oil storage tank or the like oil firing equipment, the external power supply of the binding post in the anti-explosion terminal box.The effect of winding coil inductance and the characteristic of this electric heater, steel pipe core and steel sheath are magnetized rapidly, and produce the circulation of closed magnetic flux, because the magnetic hysteresis effect makes steel pipe core and steel sheath pipe magnetic current produce extremely strong electromagnetic eddy heat, in the steel pipe core heating, the stray magnetic field that steel sheath can produce inductance again absorbs and produces perceptual magnetic resistance electromagnetism heat, the magnetic current intensity of circulation has been strengthened in compensation again simultaneously, make steel pipe core and steel sheath produce annulus collection skin electromagnetic thermal effect, to reach the purpose of heating oil or other liquid.Especially the wiring conductive pole of anti-explosion terminal box plays good insulation performance sealing and transmission of electricity interconnect function again, the termination connecting portion temperature rise of transmitting loop is reduced, stop to conduct electricity loosening sparking in termination and the overheated phenomenon of burning the termination in termination in the past, thereby prolonged the useful life of anti-explosion is electromagnetic heater and the fail safe and the explosion-proof reliability of application more.
Because technique scheme has been adopted in the utility model design, having solved existing electric heater effectively, to be used for oil heating immanent structure anti-explosion safety performance relatively poor, awkward problem.Show that through testing result on trial for several times its prior art is compared, and has novel structure, design innovation, heat efficiency highly energy-consuming is low, saves power resource, long service life, the anti-explosion safety performance is good, applied range, advantage such as easy to use is applicable to that oil equipments such as production wellhead, pipeline road, oil storage tank heat all kinds of oil, gas mixture, oil product, and other liquid etc., have broad prospect for its application.
Embodiment
Embodiment as shown in Figure 1, the utility model is provided with: ferromagnetic steel tube core 1, high-temperature insulation lead 2, steel sheath pipe 3 and anti-explosion terminal box 4.With ferromagnetic steel tube core 1 is iron core, the periphery wall of ferromagnetic steel tube core 1 around the home high-temperature insulation lead 2 be the induction winding coil, and the steel sheath pipe 3 of encapsulation sealing outside being wound with the ferromagnetic steel tube core 1 of high-temperature insulation lead 2, be connected with anti-explosion terminal box 4 on steel sheath pipe 3 and the ferromagnetic steel tube core 1, the wiring conductive pole that is equiped with the tape insulation sealing gasket in the anti-explosion terminal box 4 is connecting the termination of high-temperature insulation lead 2.
With reference to accompanying drawing 2 embodiment, the utility model is single steel pipe core formula production wellhead (pipeline) anti-explosion is electromagnetic heater, it be wound with in interior load high-temperature insulation lead 2 ferromagnetic steel tube core 1 steel sheath pipe 3 periphery again one of suit band external tapping (be oil out port or oil-feed interface, present embodiment is an oil out port) closed type steel sleeve 6, closed type steel sleeve 6 jackets whole steel sheath pipe 3, utilizing the end interface of ferromagnetic steel tube core 1 is the transfer oil pipeline for its interior tube chamber of petroleum import (or outlet), to the gap inner chamber formation reciprocating type fluidised form oil transportation loop of steel sleeve 6 with steel sheath pipe 3.The oil-in of electromagnetic heater or oil-out are connected with petroleum pipeline respectively, can seal in the oil pipe line its oil is implemented the anti-explosion is electromagnetic heating.
With reference to accompanying drawing 3 embodiment, the utility model is the explosion-proof oil electromagnetic heater of production wellhead (pipeline) of the closed interior dress liquid heat-conducting medium of three steel pipe cores.It is 3 ferromagnetic steel tube cores 1 that interconnect and be wound with high-temperature insulation lead 2 of installing in a steel sheath pipe 3,3 steel pipe cores are connected in one, and in the enclosed cavity that steel sheath pipe 3 and ferromagnetic steel tube core 1 are formed, be marked with heat-conducting medium 5, also on the tube wall of ferromagnetic steel tube core 1, stay and be shaped on the medium pod apertures, so that heat conduction rapidly also evenly in the anti-explosion is electromagnetic heater chamber, it is fast to reach firing rate, and heat is imitated high, energy saving, the purpose of long service life.
Accompanying drawing 4 illustrated embodiments are embodiment that the explosion-proof oil electromagnetic heater of three steel pipe core formulas is used for oil storage tank.