CN112455948B - High-efficiency energy-saving explosion-proof electromagnetic heating rod for oil storage tank in oil field - Google Patents

Abstract

The invention discloses a high-efficiency, energy-saving and explosion-proof electromagnetic heating rod for an oil storage tank in an oil field, which comprises an explosion-proof junction box, an overheating protection temperature measuring resistor, a wire inlet and a connecting post. An inner support cylinder is inserted into the overheating protection temperature measuring resistor, a terminal is inserted into the inside of the explosion-proof junction box, a wire inlet is connected to the bottom surface of the explosion-proof junction box, and one side of the explosion-proof junction box is connected with a wire inlet. An external connection cylinder is connected by bolts, and an oil injection hole is connected to one side of the outer connection cylinder. The device is provided with a first bearing seat and a cover plate. When an external pipe is inserted into the oil injection hole, the cover plate will When there is no external pipeline inside the oil filling hole, the cover plate is closed, so that the cover plate and the first support seat are closely attached to prevent the heat transfer medium inside the outer sleeve from flowing back to the inside of the oil filling hole, so that the outer sleeve The cartridge is more uniform when heated.

Description

High-efficiency energy-saving explosion-proof electromagnetic heating rod for oil storage tank in oil field

technical field

The invention relates to the technical field of oil storage tank accessories, in particular to a high-efficiency, energy-saving, explosion-proof electromagnetic heating rod for oil storage tanks in oil fields.

Background technique

Explosion-proof electromagnetic heating rod can be used for antifreeze, viscosity reduction and drag reduction of medium in oil field production, oil refining, chemical industry, oil depot and storage tanks and gas storage containers in various industries; it replaces traditional fire, steam and hot water pans Tube and other heating methods make the heating process safer.

At present, for some of the existing explosion-proof electromagnetic heating rods, the heat transfer medium inside will be lost with daily use. At this time, it is necessary to inject the heat transfer medium into the inside of the heating rod through the oil filling hole, but the oil filling hole and the heating rod There is still a certain stroke inside, and after a certain stroke, if the working attitude of the heating rod is adjusted, it may cause the heat transfer medium to flow back into the oil filling hole, which will cause the heat transfer medium inside the heating rod to be insufficient and heated. The inner wall of the rod is attached, which may cause insufficient heat conduction, and some existing explosion-proof electromagnetic heating rods only rely on the heat transfer medium to contact the outer cylinder wall, but only the heat transfer medium will cause and The contact of the outer cylinder wall will lead to its low thermal conductivity. Therefore, high-efficiency, energy-saving, explosion-proof electromagnetic heating rods for oil storage tanks in oil fields are urgently needed to solve the above problems.

Some devices use springs to control the cover plate, so that the cover plate acts as an oil separator to prevent oil from flowing into the oil filling hole, but the durability of the spring is limited, and the spring cannot control the cover plate to completely seal, there may be gaps in the cover plate, and there will still be oil. into the oil filler hole.

SUMMARY OF THE INVENTION

The object of the present invention is to provide high-efficiency, energy-saving, explosion-proof electromagnetic heating rods for oilfield oil storage tanks, so as to solve the existing partial explosion-proof electromagnetic heating rods proposed in the above-mentioned background technology, which do not have an anti-backflow function inside, and the existing partial explosion-proof electromagnetic heating rods Rod, its internal heat conduction efficiency is not high.

In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: the high-efficiency energy-saving explosion-proof electromagnetic heating rod of the oilfield oil storage tank includes an explosion-proof junction box, an overheat protection temperature measuring resistance, a wire inlet and a terminal, and the inside of the explosion-proof junction box is inserted There is an overheating protection temperature measuring resistance, and an inner support cylinder is inserted into the inside of the overheating protection temperature measuring resistance, a terminal post is inserted into the inside of the explosion-proof junction box, and a wire inlet is connected to the bottom surface of the explosion-proof junction box. One side of the explosion-proof junction box is connected with an outer connecting cylinder by bolts, and one side of the outer connecting cylinder is connected with an oil injection hole, which is characterized in that the side wall of the oil injection hole is provided with a limit through groove and a limit through groove A lifting plate is clamped in the inside of the outer connecting cylinder, and the lifting plate is fixedly connected with the limit through slot through a first spring. The outer wall of the outer connecting cylinder is fixedly connected with a switch button and a heat insulation box, and the interior of the heat insulation box is provided with The electromagnetic coil is electrically connected to the switch button, the inside of the oil filling hole is provided with a cover plate, the two sides of the cover plate are abutted with a first bearing seat, and the inside of the outer connection cylinder is provided with a magnet block The magnet block and the cover plate are fixedly connected through the connecting plate, the inner wall of the outer connecting cylinder is fixedly connected with the limiting plate, and the limiting plate is clamped with the connecting plate.

Preferably, there are six groups of the heat-conducting sheets, and the six groups of heat-conducting sheets are uniformly fixed on the inner wall of the outer sleeve at equal distances.

Preferably, bumps are provided at the bottom of the limiting plate.

Preferably, an outer sleeve is connected to the inside of the outer connecting cylinder, an inner arc groove is formed on the inner wall of the outer sleeve, a heat-conducting sheet is connected to the inner wall of the outer sleeve, and one side of the heat-conducting sheet abuts There is a rod core tube, and the surface of the rod core tube is in contact with a high temperature cable.

Preferably, an annular groove is formed on the surface of the first support base, and the inner shape and size of the annular groove are adapted to the surface shape and size of the cover plate, and the cover plate is inserted into the first support base. internal.

Preferably, the shape structure of the inner arc-shaped groove is arc-shaped, and the inner arc-shaped grooves are evenly opened inside the outer sleeve at equal distances.

Compared with the prior art, the beneficial effects of the present invention are: the high-efficiency, energy-saving, explosion-proof electromagnetic heating rod of the oil storage tank in the oil field can effectively avoid the backflow of the heat-conducting medium inside the outer sleeve by arranging the first bearing seat and the cover plate, so that the The outer sleeve is more uniform when heating, and the device can effectively increase the heat conduction effect of the device itself by setting the heat conduction sheet and the inner arc groove.

1. The device is provided with a first support seat and a cover plate. When an external pipe is inserted into the oil injection hole, the cover plate will be opened. When there is no external pipe in the oil injection hole, the cover plate will be closed, so that the The cover plate and the first support seat are closely attached to prevent the heat-conducting medium inside the outer sleeve from flowing back to the inside of the oil filling hole, so that the outer sleeve is more uniform when heating.

2. The device is provided with a heat-conducting sheet and an inner arc-shaped groove, and through the cooperation between the heat-conducting sheet and the inner arc-shaped groove, the heat in the heat-conducting medium can be fully absorbed, thereby increasing the heat-conducting efficiency of the outer sleeve.

Description of drawings

Fig. 1 is the structure front sectional schematic diagram of the present invention;

2 is a schematic front view of the structure of the present invention;

3 is a schematic top view sectional view of the structure of the outer sleeve and the thermally conductive sheet of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1 of the present invention.

In the picture: 1. Explosion-proof junction box; 2. Thermal resistance for overheating protection; 3. Inner support cylinder; 4. High temperature resistant cable; 5. Rod core tube; 6. Thermal conductive sheet; 7. Outer sleeve; Port; 9. Terminal; 10. Oil filling hole; 11. Limiting slot; 12. First spring; 13. Lifting plate; 14. Switch button; 15. First bearing seat; 16. Covering plate; 17. Inner arc groove; 18, outer connecting cylinder; 19, heat insulation box; 20, electromagnetic coil; 21, magnet block; 22, connecting plate; 23, limit plate.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to FIGS. 1-4 , an embodiment provided by the present invention: a high-efficiency energy-saving explosion-proof electromagnetic heating rod for an oilfield oil storage tank, including an explosion-proof junction box 1, an overheating protection temperature measuring resistor 2, a wire inlet 8 and a terminal 9, all of which are The inside of the explosion-proof junction box 1 is inserted with an overheating protection temperature measuring resistance 2, and the inside of the overheating protection temperature measuring resistance 2 is inserted with an inner support cylinder 3, and the inside of the explosion-proof junction box 1 is inserted with a terminal 9, so The bottom surface of the explosion-proof junction box 1 is connected with a wire inlet 8, one side of the explosion-proof junction box 1 is connected with an outer connection cylinder 18 through bolts, and one side of the outer connection cylinder 18 is connected with an oil filling hole 10, which is It is characterized in that: a limit through slot 11 is defined on the side wall of the oil filling hole 10 , and a lift plate 13 is clamped inside the limit through slot 11 , and the lift plate 13 and the limit through slot 11 are fixedly connected by a first spring 12 . , the outer wall of the outer connecting cylinder 18 is fixedly connected with the switch button 14 and the heat insulation box 19, the interior of the heat insulation box 19 is provided with an electromagnetic coil 20 and the electromagnetic coil 20 is electrically connected with the switch button 14, the oil filling hole 10 is provided with a cover plate 16 inside, the two sides of the cover plate 16 are abutted with the first bearing seat 15, the inside of the outer connecting cylinder 18 is provided with a magnet block 21 and the magnet block 21 and the cover plate 16 are connected by The plate 22 is fixedly connected, the inner wall of the outer connecting cylinder 18 is fixedly connected to the limit plate 23 and the limit plate 23 is clamped with the connection plate 22 .

The heat-conducting sheets 6 are provided with six groups, and the six groups of heat-conducting sheets 6 are evenly fixed on the inner wall of the outer sleeve 7 at equal distances.

There are bumps on the bottom of the limiting plate 23 .

An outer sleeve 7 is connected to the inside of the outer connecting cylinder 18 , the inner wall of the outer sleeve 7 is provided with an inner arc-shaped groove 17 , and the inner wall of the outer sleeve 7 is connected with a heat-conducting sheet 6 , and the heat-conducting sheet 6 is The rod core tube 5 is in contact with one side, and the high temperature cable 4 is in contact with the surface of the rod core tube 5 .

The surface of the first bearing seat 15 is provided with an annular groove, and the inner shape and size of the annular groove is adapted to the surface shape and size of the cover plate 16, and the cover plate 16 is inserted into the first bearing seat 15. internal

The explosion-proof junction box 1 , the overheating protection temperature measuring resistor 2 , the high temperature resistant cable 4 and the rod core tube 5 are all in the prior art, and their specific models can be selected according to actual use needs.

Working principle: The device is powered by an external power supply. When it is necessary to inject a heat transfer medium into the inside of the outer sleeve 7 through the oil injection hole 10, the external pipe and the oil injection hole 10 can be connected first, and the external pipe extends into the oil injection hole 10. Press down the lift plate 13, the lift plate 13 descends, press the switch button 14, the control solenoid 20 is turned off, the magnetic force of the solenoid 20 disappears, the magnet block 21 will fall down under the action of gravity, and the cover plate 16 is driven by the connecting plate 22. Down, at this time, the gap between the first support base 15 and the cover plate 16 will increase, and the heat transfer medium will gradually flow into the interior of the outer sleeve 7 along the gap between the cover plate 16 and the first support base 15 , when the inside of the outer sleeve 7 is filled with the heat-conducting medium, the external pipe is pulled out, the lifting plate 13 no longer presses the switch button 14, and the electromagnetic coil 20 restarts. A can be fully filled.

When the inside of the outer sleeve 7 needs to be heated, the inside of the rod core tube 5 and the outer sleeve 7 can be heated through the high temperature resistant cable 4. At this time, the high temperature resistant cable 4 inside the outer sleeve 7 will start to heat up. The heat-conducting medium inside the outer sleeve 7 absorbs heat through heat conduction, and then, through the contact between the heat-conducting sheet 6 and the heat-conducting medium, the heat in the heat-conducting medium can be transferred to the surface of the outer sleeve 7 through the heat-conducting sheet 6, so that the outer The sleeve 7 dissipates heat to the outside, and at the same time, combined with the absorption of the heat in the heat conduction medium by the inner arc groove 17, the heat conduction efficiency of the outer sleeve 7 can be further increased.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments are to be regarded in all respects as illustrative and not restrictive, and the scope of the invention is to be defined by the appended claims rather than the foregoing description, which are therefore intended to fall within the scope of the claims. All changes within the meaning and scope of the equivalents of , are included in the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

Claims (6)

1. Energy-efficient explosion-proof electromagnetic heating stick of oil field oil storage tank, including explosion-proof terminal box (1), overheat protection temperature measurement resistance (2), inlet wire (8) and terminal (9), the inside of explosion-proof terminal box (1) is inserted and is equipped with overheat protection temperature measurement resistance (2), and the inside of overheat protection temperature measurement resistance (2) is inserted and is equipped with interior support tube (3), the inside of explosion-proof terminal box (1) is inserted and is equipped with terminal (9), the bottom surface of explosion-proof terminal box (1) is connected with inlet wire (8), there is outer connecting cylinder (18) one side of explosion-proof terminal box (1) through bolted connection, one side of outer connecting cylinder (18) is connected with oil filler point (10), its characterized in that: the side wall of the oil filling hole (10) is provided with a limiting through groove (11), the inside of the limiting through groove (11) is clamped with a lifting plate (13), the lifting plate (13) is fixedly connected with the limiting through groove (11) through a first spring (12), the outer wall of the outer connecting cylinder (18) is fixedly connected with a switch button (14) and a heat insulation box (19), an electromagnetic coil (20) is arranged in the heat insulation box (19), the electromagnetic coil (20) is electrically connected with the switch button (14), a covering plate (16) is arranged inside the oil filling hole (10), two sides of the covering plate (16) are abutted with first bearing seats (15), a magnet block (21) is arranged in the outer connecting cylinder (18), the magnet block (21) is fixedly connected with the covering plate (16) through a connecting plate (22), the inner wall of the outer connecting cylinder (18) is fixedly connected with a limiting plate (23), and the limiting plate (23) is clamped with the connecting plate (22).

2. The efficient energy-saving explosion-proof electromagnetic heating rod for the oil storage tank of the oil field as claimed in claim 1, which is characterized in that: and a bump is arranged at the bottom of the limiting plate (23).

3. The efficient energy-saving explosion-proof electromagnetic heating rod for the oil storage tank of the oil field as claimed in claim 1, which is characterized in that: the inner connection of outer connecting cylinder (18) has outer sleeve (7), arc groove (17) in having seted up on the inner wall of outer sleeve (7), the inner wall of outer sleeve (7) is connected with conducting strip (6), and one side butt of conducting strip (6) has excellent core pipe (5), the surface butt of excellent core pipe (5) has high temperature resistant cable (4).

4. The efficient energy-saving explosion-proof electromagnetic heating rod for the oil storage tank of the oil field as claimed in claim 3, characterized in that: six groups of heat conducting fins (6) are arranged, and the six groups of heat conducting fins (6) are uniformly fixed on the inner wall of the outer sleeve (7) at equal intervals.

5. The efficient energy-saving explosion-proof electromagnetic heating rod for the oil storage tank of the oil field as claimed in claim 1, which is characterized in that: an annular groove is formed in the surface of the first bearing seat (15), the shape and the size of the inner part of the annular groove are matched with the shape and the size of the surface of the covering plate (16), and the covering plate (16) is inserted into the first bearing seat (15).

6. The efficient energy-saving explosion-proof electromagnetic heating rod for the oil storage tank of the oil field as claimed in claim 3, characterized in that: the shape structure of the inner arc-shaped groove (17) is arc-shaped, and the inner arc-shaped groove (17) is uniformly arranged in the outer sleeve (7) at equal intervals.

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