CN108036510B - Movable self-circulation heat conduction oil heating sledge - Google Patents
Movable self-circulation heat conduction oil heating sledge Download PDFInfo
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- CN108036510B CN108036510B CN201711451446.6A CN201711451446A CN108036510B CN 108036510 B CN108036510 B CN 108036510B CN 201711451446 A CN201711451446 A CN 201711451446A CN 108036510 B CN108036510 B CN 108036510B
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 50
- 238000002485 combustion reaction Methods 0.000 claims abstract description 38
- 239000000779 smoke Substances 0.000 claims abstract description 25
- 238000002347 injection Methods 0.000 claims abstract description 12
- 239000007924 injection Substances 0.000 claims abstract description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 41
- 229910052757 nitrogen Inorganic materials 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 19
- 239000007789 gas Substances 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 241000208125 Nicotiana Species 0.000 claims description 3
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 20
- 239000012188 paraffin wax Substances 0.000 abstract description 14
- 238000005406 washing Methods 0.000 abstract description 12
- 239000003129 oil well Substances 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000003068 static effect Effects 0.000 abstract description 7
- 230000005855 radiation Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 58
- 238000004140 cleaning Methods 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- 239000003546 flue gas Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 239000001993 wax Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
- F24H7/025—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using fluid fuel
- F24H7/0266—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using fluid fuel the transfer fluid being water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a movable self-circulation heat-conducting oil heating sledge, which comprises a cylinder body, a combustion chamber, a flashback chamber, a threaded smoke pipe and a heat exchange coil pipe which are arranged in the inner cavity of the cylinder body, wherein a front tube plate and a front panel at the front end of the cylinder body form a smoke collecting box, a heat medium injection opening is arranged at the top of the side wall of the cylinder body, heat-conducting oil is injected into the inner cavity of the cylinder body through the heat medium injection opening, and after being heated by radiation of the combustion chamber, the flashback chamber and the threaded smoke pipe, oil-water medium flowing in the heat exchange coil pipe immersed in the heat exchange coil pipe is heated, so that the heat washing and paraffin removal operation of an oil well is realized. The invention has the advantages of quick temperature rise, high heat efficiency, low operation cost and no pollution to an oil layer; the problems of easy scaling and corrosion and low heat exchange efficiency of the water jacket heating furnace are solved, and the working condition adaptability is strong. The invention has compact structure, small volume, light weight, convenient installation and transportation, low production and manufacturing cost, and the heat conducting oil is used under normal pressure static state, and is suitable for the self-circulation heat washing paraffin removal operation of the single well in the oil field.
Description
Technical Field
The invention relates to the technical field of heating boilers, in particular to a movable self-circulation heat-conducting oil heating sledge which is used for heating oil field wellhead paraffin removal well cleaning liquid.
Background
The common paraffin removal method for oil fields is thermal paraffin removal, oil well paraffin removal is realized by heat transfer and heating of a shaft and produced fluid, and common heating devices in the oil and gas field production and gathering process comprise a water jacket heating furnace, a phase change heating furnace, a heating medium heating furnace, special heat washing paraffin removal equipment and the like.
The water jacket heating furnace is characterized in that the fire cylinder in the pot shell firstly heats intermediate medium water, and then indirectly heats the heated medium in the heat exchange coil in the pot shell through the water. However, most water jacket heating furnaces are operated under normal pressure, the pressure is lower, the operating temperature is not high, and the heat conduction coefficient is reduced due to the fact that all heating surfaces in the furnace are easy to scale, and the operating thermal efficiency of equipment is often lower than a design value of 80%. In addition, the device is easy to lose water in operation, needs to be frequently supplemented with water, has a complex structure, consumes large amount of steel, and is mostly used in fixed installation occasions.
The heat medium furnace (heat conducting oil) mainly conducts heat transmission and exchange through the heat conducting oil (heat medium or heat carrier) serving as an intermediate medium, so that the temperature of crude oil is raised. The problems of scaling and corrosion perforation on the surfaces of the furnace body and the heat exchange tube thereof can be effectively avoided, the heat conduction coefficient is improved, the heat efficiency is high, the energy is saved, and the operation efficiency can reach more than 92 percent. The whole heat medium furnace (heat conduction oil) is composed of an oil storage tank, an expansion tank, a heat medium circulating pump skid block, an oil injection skid block, a nitrogen sealing system and the like, the whole set of equipment is complex, the disposable investment is large, the maintenance is troublesome, the workload is large, the heat medium furnace is suitable for continuous operation of a fixed station with a large scale, and the heat medium furnace can not be flexibly used for a single well station of an oil field.
Disclosure of Invention
The invention aims to provide a movable self-circulation heat-conducting oil heating sledge, which solves the problems that in the self-circulation well washing and paraffin removal operation of an oil well, a water jacket heating furnace is easy to scale and corrode when heating well washing liquid, the heat efficiency is low, a heating medium heating furnace device is complex, the cost is high, and the heating medium heating furnace device cannot be flexibly applied to single-well heat washing and paraffin removal of an oil field.
In order to solve the problems, the invention adopts the following technical scheme:
the utility model provides a portable self-loopa conduction oil heating sledge, it includes the barrel of installing the level of movable sledge seat and placing, and the front and back end of barrel is equipped with front panel and back tube sheet respectively, and the rear side of front panel is equipped with the front tube sheet, and the front tube sheet divides the barrel inner chamber into two independent parts, the combustion chamber is installed to the inner chamber lower part of barrel, and the front end of combustion chamber runs through the front tube sheet, is connected with the inner wall of front panel, and the lateral wall of combustion chamber, front panel and front tube sheet constitute the collection smoke chamber, and the top of collection smoke chamber is equipped with the chimney takeover that runs through barrel roof, and the top of chimney takeover is connected with the chimney; the front end of the combustion chamber is connected with a burner and a wellhead sleeve gas input pipe; the tail part of the combustion chamber is communicated with the backfire chamber, the backfire chamber is fixed on the rear tube plate through tie bars, a plurality of threaded smoke tubes are arranged around the outer wall of the combustion chamber, and two ends of each threaded smoke tube are respectively communicated with the front tube plate and the backfire chamber in a welding way; a coil bracket welded on the inner wall of the cylinder body is arranged above the side wall of the combustion chamber, at least one group of snakelike heat exchange coils are arranged on the coil bracket, a medium inlet of each heat exchange coil penetrates through the rear tube plate to be connected with the inlet flange, and a medium outlet of each heat exchange coil penetrates through the rear tube plate to be connected with the outlet flange; the side wall top of barrel is equipped with the heat medium filling opening, and the heat medium filling pipe passes the heat medium filling opening and extends into the inner chamber middle part of barrel, and the conduction oil is in the inner chamber of injection barrel through the heat medium filling opening, and combustion chamber, flashback chamber, screw thread tobacco pipe and heat transfer coil pipe all submergence are in the conduction oil.
Preferably, one side of the heating medium injection port is provided with a flame arrester, the tail part of the top wall of the cylinder body is provided with a nitrogen seal inlet and an oil dipstick, and the outer part of the side wall of the cylinder body is provided with a liquid level meter.
Preferably, the explosion-proof door device and the nitrogen cylinder are arranged outside the side wall of the cylinder body, the explosion-proof door device is communicated with the flashback chamber in a welding way, and the nitrogen cylinder is fixed on the skid seat.
Preferably, the burner is fixed at the central lower part of the front panel through a bolt, and one side of the burner is provided with a nitrogen quenching opening.
Preferably, the front panel is provided with an ash removal door.
Preferably, a drain outlet is arranged at the bottom of the tail end of the cylinder body.
Preferably, an insulating layer is paved on the outer wall of the cylinder.
Preferably, the tail part of the heat exchange coil extending out of the cylinder body is provided with a thermometer, a pressure gauge and a flowmeter.
Preferably, one side of the outer wall of the cylinder body is provided with a straight ladder, and the top of the side wall is provided with a mounting platform and lifting lugs.
The working process of the invention is as follows:
and the operator injects heat conduction oil into the inner cavity of the cylinder body from the heat medium injection port, and judges the liquid level of the heating oil according to the degrees of the dipstick and the liquid level meter. The oil-water medium pumped from the oil pipe by the oil pumping unit firstly enters the heat exchange coil from the inlet flange of the heat exchange coil through the cleaning liquid circulating connection hose. The wellhead sleeve gas enters a burner through a field gas pipeline, is fully mixed with air and then is combusted in a combustion chamber, combustion flame and high-temperature flue gas transfer heat to heat conduction oil outside the combustion chamber in a radiation heat exchange mode, and meanwhile, flowing high-temperature flue gas enters a flashback chamber and a threaded smoke pipe and transfers heat to the heat conduction oil outside the flashback chamber in a convection mode; and the flue gas after fully releasing heat enters the front smoke box through the threaded smoke pipe and is finally discharged through the chimney connecting pipe and the detachable chimney. Through the continuous heat transfer of the heating system, the heat conduction oil outside the heating system is heated and warmed under normal pressure static state, so that the heat exchange coil immersed in the heat conduction oil continuously absorbs heat energy, and the oil-water medium flowing in the heat exchange coil is heated to the temperature required by the process. The heated oil-water medium is injected into the oil well casing through the outlet flange and the cleaning fluid circulating connection hose by means of the power of the pumping unit, so that a closed hot-washing circulating system is formed, and the hot-washing paraffin removal of the oil well is completed.
The beneficial effects of the invention are as follows:
(1) According to the invention, wellhead casing gas is directly used as fuel, heat conduction oil in a normal pressure static state around a combustion chamber and a backfire chamber is heated through radiation heat release of the combustion chamber, the backfire chamber and a threaded smoke pipe, and an oil-water medium immersed in a heat exchange coil is heated to a required temperature through the heat conduction oil, so that a thermal washing wax removing operation is carried out on an oil well; the heat conducting oil is heated and used under normal pressure and static state, so that the problems of easy scaling and corrosion and low heat exchange efficiency of the water jacket heating furnace are solved, the temperature is quickly raised, the heat efficiency is high, the operation cost is low, an oil layer is not polluted, and the working condition adaptability is strong;
(2) The complicated accessory device of the heating furnace without the heating medium has the advantages of compact structure, small volume, light weight, low production and manufacturing cost and convenient installation and transportation, and is suitable for the self-circulation heat washing paraffin removal operation of a single well in an oil field;
(3) According to the invention, the heat medium injection port is provided with double protection of the flame arrester and the nitrogen seal inlet, and the nitrogen cylinder is subjected to nitrogen charging protection from the nitrogen seal inlet to prevent oxidation of heat conduction oil when heated; the emptying flame arrester further performs secondary fireproof protection on the heat conduction oil in the cylinder body, so that the safe and reliable operation of the heat conduction oil under normal pressure is ensured;
(4) The liquid level of the heat conduction oil is monitored by the oil dipstick and the liquid level meter, so that the injected heat conduction oil is kept at the specified liquid level, and a sufficient gas phase space is reserved on the upper surface of the heat conduction oil so as to ensure that the heat conduction oil does not overflow after free expansion during heating;
(5) The nitrogen extinguishing opening and the explosion-proof door device are arranged on the burner, so that the explosion accident in the sleeve gas combustion process can be effectively prevented;
(6) At least one group or a plurality of groups of snakelike heat exchange coils are arranged above the heating system and immersed in the area with the highest upper temperature in the statically heated heat conduction oil, so that the heat transferred by the temperature rise of the heat conduction oil can be fully absorbed;
(7) A flowmeter is arranged at the inlet and outlet positions of the heat exchange coil, so that the flow change of the well flushing liquid is monitored in real time, and the phenomenon of poor paraffin removal effect caused by too low well flushing liquid amount is prevented;
(8) The drain is installed in the lowest department of barrel, satisfies the heat conduction oil and detects the demand that samples and periodic cleaning, change maintenance regularly.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a side view of the invention of FIG. 1;
in the figure: 1. the device comprises a combustion chamber, 2, a burner, 3, a nitrogen quenching port, 4, a front panel, 5, an insulating layer, 6, a front smoke box, 7, a front tube plate, 8, a chimney connecting tube, 9, a detachable chimney, 10, lifting lugs, 11, a platform, 12, a heat exchange coil, 13, a coil bracket, 14, a heating medium injection port, 15, a flame arrester, 16, a nitrogen seal inlet, 17, an oil dipstick, 18, a thermometer, 19, a pressure gauge, 20, a flowmeter, 21, an inlet flange, 22, an outlet flange, 23, an explosion-proof door device, 24, a liquid level gauge, 25, a straight ladder, 26, a threaded smoke tube, 27, a sledge seat, 28, an ash removal door, 29, a nitrogen bottle, 30, a sewage drain, 31, a rear tube plate, 32, a lacing wire, 33, a backfire chamber, 34 and a cylinder body.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
The movable self-circulation heat conduction oil heating sledge as shown in fig. 1 and 2 comprises a cylinder 34 which is horizontally arranged and is arranged on a movable sledge seat 27, wherein the front end and the rear end of the cylinder 34 are respectively provided with a front panel 4 and a rear tube plate 31, the rear side of the front panel 4 is provided with a front tube plate 7, the front tube plate 7 divides the inner cavity of the cylinder 34 into two independent parts, the lower part of the inner cavity of the cylinder 34 is provided with a combustion chamber 1, the front end of the combustion chamber 1 penetrates through the front tube plate 7 and is connected with the inner wall of the front panel 4, the side wall of the combustion chamber 1, the front panel 4 and the front tube plate 7 form a smoke collecting chamber 6, the top end of the smoke collecting chamber 6 is provided with a chimney connecting tube 8 penetrating through the top wall of the cylinder 34, and the top end of the chimney connecting tube 8 is connected with a chimney 9; the front end of the combustion chamber 1 is connected with a combustor 2 and a wellhead sleeve gas input pipe; the tail part of the combustion chamber 1 is communicated with a backfire chamber 33, the backfire chamber 33 is fixed on the rear tube plate 31 through a lacing wire 32, a plurality of threaded smoke tubes 26 are arranged around the outer wall of the combustion chamber 1, and two ends of the threaded smoke tubes 26 are respectively communicated with the front tube plate 7 and the backfire chamber 33 in a welding way; a coil bracket 13 welded on the inner wall of the cylinder 34 is arranged above the side wall of the combustion chamber 1, at least one group of snakelike heat exchange coils 12 are arranged on the coil bracket 13, a medium inlet penetrating rear tube plate 31 of the heat exchange coils 12 is connected with an inlet flange 21, and a medium outlet penetrating rear tube plate 31 of the heat exchange coils 12 is connected with an outlet flange 22; the side wall top of barrel 34 is equipped with heat medium filling opening 14, and the heat medium filling pipe passes heat medium filling opening 14 and extends into the inner chamber middle part of barrel 34, and the conduction oil is poured into in the inner chamber of barrel 34 through heat medium filling opening 14, and combustion chamber 1, flashback chamber 33, screw thread tobacco pipe 26 and heat transfer coil 12 all submerge in the conduction oil.
One side of the heating medium injection port 14 is provided with a flame arrester 15, the tail part of the top wall of the cylinder 34 is provided with a nitrogen seal inlet 16 and an oil dipstick 17, and the outer part of the side wall of the cylinder 34 is provided with a liquid level meter 24.
The explosion-proof door device 23 and the nitrogen bottle 29 are arranged outside the side wall of the cylinder 34, the explosion-proof door device 23 is communicated with the flashback chamber 33 in a welding way, and the nitrogen bottle 29 is fixed on the sledge seat 27.
The burner 2 is fixed at the central lower part of the front panel 4 by bolts, and one side of the burner 2 is provided with a nitrogen gas extinguishing port 3.
The tail of the heat exchange coil 12 extending out of the cylinder 34 is provided with a thermometer 18, a pressure gauge 19 and a flowmeter 20.
The front panel 4 is provided with a dust removal door 28.
The bottom of the tail end of the cylinder 34 is provided with a drain outlet 30. The outer wall of the cylinder 34 is paved with a heat-insulating layer 5. A straight ladder 25 is arranged on one side of the outer wall of the cylinder 34, and a mounting platform 11 and lifting lugs 10 are arranged on the top of the side wall.
The working process of the invention is as follows:
the operator injects heat transfer oil into the inner cavity of the cylinder 34 from the heat medium injection port 14, and judges the liquid level of the heating oil according to the degrees of the dipstick 17 and the liquid level meter 24. The oil-water medium pumped from the oil pipe by the pumping unit firstly enters the heat exchange coil 12 from the inlet flange 21 of the heat exchange coil of the invention through the cleaning fluid circulating connection hose. The wellhead sleeve gas enters the burner 2 through the on-site gas pipeline, is fully mixed with air and then is combusted in the combustion chamber 1, combustion flame and high-temperature flue gas transfer heat to heat conduction oil outside the combustion chamber 1 in a radiation heat exchange mode, and meanwhile, flowing high-temperature flue gas enters the flashback chamber 33 and the threaded smoke pipe 26 to transfer heat to the heat conduction oil outside the flashback chamber in a convection mode; the flue gas after fully releasing heat enters the front smoke box 6 through the threaded smoke pipe 26 and finally is discharged through the chimney connecting pipe 8 and the detachable chimney 9. Through the continuous heat transfer of the heating system, the heat conducting oil outside the heating system is heated and warmed under normal pressure static state, so that the heat exchanging coil 12 immersed in the heat conducting oil continuously absorbs heat energy, and the oil-water medium flowing in the heat exchanging coil is heated to the temperature required by the process. The heated oil-water medium is injected into the oil well casing through the outlet flange 22 and the cleaning fluid circulating connection hose by the power of the pumping unit, thus forming a closed hot-cleaning circulation system, and completing the hot-cleaning paraffin removal of the oil well. When the flow rate of the well-flushing liquid is less than 20m and equal to d, the flow meter 20 at the inlet and outlet positions of the heat exchange coil can manually supplement the liquid amount to the well-flushing liquid circulation system, so that the wax removal effect is ensured.
According to the invention, wellhead casing gas is directly used as fuel, heat conduction oil in a normal pressure static state around a combustion chamber and a backfire chamber is heated through radiation heat release of the combustion chamber, the backfire chamber and a threaded smoke pipe, and an oil-water medium immersed in a heat exchange coil is heated to a required temperature through the heat conduction oil, so that a thermal washing wax removing operation is carried out on an oil well; the invention has the advantages of quick temperature rise, high heat efficiency, low operation cost and no pollution to an oil layer; the problems of easy scaling and corrosion and low heat exchange efficiency of the water jacket heating furnace are solved, and the working condition adaptability is strong. The invention has compact structure, small volume, light weight, convenient installation and transportation, low production and manufacturing cost, and the heat conducting oil is used under normal pressure static state, and is suitable for the self-circulation heat washing paraffin removal operation of the single well in the oil field.
Claims (9)
1. The utility model provides a portable self-loopa conduction oil heating sledge, it is including installing barrel (34) that the level of movable sledge seat (27) was placed, and the front and back end of barrel (34) is equipped with front panel (4) and back tube sheet (31) respectively, and the rear side of front panel (4) is equipped with preceding tube sheet (7), and preceding tube sheet (7) divide into independent two parts with barrel (34) inner chamber, its characterized in that: the combustion chamber (1) is arranged at the lower part of the inner cavity of the cylinder body (34), the front end of the combustion chamber (1) penetrates through the front tube plate (7) and is connected with the inner wall of the front panel (4), the side wall of the combustion chamber (1), the front panel (4) and the front tube plate (7) form the smoke collecting chamber (6), a chimney connecting pipe (8) penetrating through the top wall of the cylinder body (34) is arranged at the top end of the smoke collecting chamber (6), and the top end of the chimney connecting pipe (8) is connected with the chimney (9); the front end of the combustion chamber (1) is connected with the burner (2) and a wellhead sleeve gas input pipe; the tail part of the combustion chamber (1) is communicated with a backfire chamber (33), the backfire chamber (33) is fixed on a rear tube plate (31) through a lacing wire (32), a plurality of threaded smoke tubes (26) are arranged around the outer wall of the combustion chamber (1), and two ends of each threaded smoke tube (26) are respectively communicated with a front tube plate (7) and the backfire chamber (33) in a welding way; a coil bracket (13) welded on the inner wall of the cylinder body (34) is arranged above the side wall of the combustion chamber (1), at least one group of snakelike heat exchange coils (12) are arranged on the coil bracket (13), a medium inlet of the heat exchange coils (12) penetrates through the rear tube plate (31) to be connected with the inlet flange (21), and a medium outlet of the heat exchange coils (12) penetrates through the rear tube plate (31) to be connected with the outlet flange (22); the side wall top of barrel (34) is equipped with heat medium filling opening (14), and heat medium injection pipe passes heat medium filling opening (14) and extends into the inner chamber middle part of barrel (34), and conduction oil pours into in the inner chamber of barrel (34) through heat medium filling opening (14), and combustion chamber (1), flashback chamber (33), screw thread tobacco pipe (26) and heat exchange coil (12) all submergence are in the conduction oil.
2. The mobile self-circulating thermal oil heating sled of claim 1, wherein: one side of the heating medium injection port (14) is provided with a flame arrester (15), the tail part of the top wall of the cylinder body (34) is provided with a nitrogen seal inlet (16) and an oil dipstick (17), and the outer part of the side wall of the cylinder body (34) is provided with a liquid level meter (24).
3. The mobile self-circulating thermal oil heating sled of claim 1 or 2, wherein: an explosion-proof door device (23) and a nitrogen cylinder (29) are arranged outside the side wall of the cylinder body (34), the explosion-proof door device (23) is communicated with the flashback chamber (33) in a welding mode, and the nitrogen cylinder (29) is fixed on the sledge seat (27).
4. The mobile self-circulating thermal oil heating sled of claim 3, wherein: the burner (2) is fixed at the central lower part of the front panel (4) through a bolt, and a nitrogen extinguishing opening (3) is arranged at one side of the burner (2).
5. The mobile self-circulating thermal oil heating sled of claim 4, wherein: an ash removal door (28) is arranged on the front panel (4).
6. The mobile self-circulating thermal oil heating sled of claim 5, wherein: a drain outlet (30) is arranged at the bottom of the tail end of the cylinder body (34).
7. The mobile self-circulating thermal oil heating sled of claim 6, wherein: an insulating layer (5) is laid on the outer wall of the cylinder body (34).
8. The mobile self-circulating thermal oil heating sled of claim 7, wherein: the tail part of the heat exchange coil (12) extending out of the cylinder body (34) is provided with a thermometer (18), a pressure gauge (19) and a flowmeter (20).
9. The mobile self-circulating thermal oil heating sled of claim 8, wherein: a straight ladder (25) is arranged on one side of the outer wall of the cylinder body (34), and a mounting platform (11) and lifting lugs (10) are arranged on the top of the side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711451446.6A CN108036510B (en) | 2017-12-27 | 2017-12-27 | Movable self-circulation heat conduction oil heating sledge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711451446.6A CN108036510B (en) | 2017-12-27 | 2017-12-27 | Movable self-circulation heat conduction oil heating sledge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108036510A CN108036510A (en) | 2018-05-15 |
| CN108036510B true CN108036510B (en) | 2023-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711451446.6A Active CN108036510B (en) | 2017-12-27 | 2017-12-27 | Movable self-circulation heat conduction oil heating sledge |
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| CN202709453U (en) * | 2012-08-23 | 2013-01-30 | 浙江劲光化工有限公司 | Fuel coal hot oil furnace for automatically controlling air supplying speed and coal supplying speed |
| CN103791618A (en) * | 2014-02-27 | 2014-05-14 | 西安恒旭科技发展有限公司 | Thermal oil furnace for oil field |
| CN207922567U (en) * | 2017-12-27 | 2018-09-28 | 庆阳长荣机械设备制造有限公司 | Portable self circulation heat-conducting oil heating sledge |
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2017
- 2017-12-27 CN CN201711451446.6A patent/CN108036510B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2708175Y (en) * | 2004-03-23 | 2005-07-06 | 刘金利 | Gas and electricity dual-purpose oil well pipeline heating furnace |
| KR20100088409A (en) * | 2009-01-30 | 2010-08-09 | 김유철 | Boiler using thermal transfer oil |
| CN101556078A (en) * | 2009-04-13 | 2009-10-14 | 新疆华易石油工程技术有限公司 | Special heating medium furnace for oil field gathering and transportation pipeline |
| CN202195589U (en) * | 2011-03-09 | 2012-04-18 | 刘忠林 | Solar vacuum superconducting heating furnace |
| CN202709453U (en) * | 2012-08-23 | 2013-01-30 | 浙江劲光化工有限公司 | Fuel coal hot oil furnace for automatically controlling air supplying speed and coal supplying speed |
| CN103791618A (en) * | 2014-02-27 | 2014-05-14 | 西安恒旭科技发展有限公司 | Thermal oil furnace for oil field |
| CN207922567U (en) * | 2017-12-27 | 2018-09-28 | 庆阳长荣机械设备制造有限公司 | Portable self circulation heat-conducting oil heating sledge |
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