CN218269586U - Intelligent low-nitrogen energy-saving vertical vacuum phase change heating furnace for oil field - Google Patents
Intelligent low-nitrogen energy-saving vertical vacuum phase change heating furnace for oil field Download PDFInfo
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- CN218269586U CN218269586U CN202222704142.9U CN202222704142U CN218269586U CN 218269586 U CN218269586 U CN 218269586U CN 202222704142 U CN202222704142 U CN 202222704142U CN 218269586 U CN218269586 U CN 218269586U
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Abstract
The utility model relates to an oil field is with vertical vacuum phase transition heating furnace of low nitrogen energy-conserving of intelligence, including the sled body, be fixed with heating furnace body, cat ladder, switch board, combustor and chimney on the sled body, be provided with the fuel preheating pipe who is connected with the combustor on the heating furnace body, this internal furnace of being connected with the combustor that is provided with of heating furnace. The top of stove courage is provided with the chamber of backflowing, and the top of chamber of backflowing is provided with heat transfer coil, and the below of stove courage is provided with down the smoke chamber, and the chamber of backflowing and lower smoke chamber communicate through a plurality of screw thread tobacco pipes, and the flange joint of flue and chimney is passed through to one side of lower smoke chamber, switch board and combustor control connection. The heating furnace has reasonable heat distribution, enough heating surfaces are arranged, the output of the heating furnace can be ensured, and the heating furnace has the characteristics of high energy efficiency, durability, safety and reliability and has great economic popularization value.
Description
Technical Field
The utility model belongs to the technical field of vacuum phase transition heating furnace technique and specifically relates to a low nitrogen energy-conserving vertical vacuum phase transition heating furnace of intelligence is used in oil field.
Background
The crude oil liquid volume of the oil production well site at the upstream of the current oil field gathering and transportation system is generally (30 to 80) m 3 D; the crude oil liquid volume of a pressurization station is generally (100 to 300) m 3 70% of the oil field heating furnace adopts a small normal pressure vertical heating furnace of about 300 kW; boilers (heating furnaces) of downstream large stations such as a transfer station and the like basically adopt a horizontal structure, account for about 30% of the total number of the heating furnaces in the oil field, and have the rated thermal power of 300-2500 kW. The vertical heating furnace has the advantage of small floor area, so that the vertical heating furnace is adopted by most upstream units of an oil field gathering and transportation system.
However, the load rate of the upstream station is changed greatly, the overall operation thermal efficiency is low, the operation condition is not ideal, and the average statistical efficiency of the operation of the conventional gas normal-pressure vertical heating furnace is only 76.30 percent. In addition, the scaling in the boiler shell and outside the coil pipe is serious, the scaling and burning loss of the convection pipe is serious, the crude oil is mixed in multiple layers and has high mineralization degree, the inner wall of the coil pipe is scaled, the corrosion of a steel plate of a cylinder body is serious, the ash accumulation in a smoke pipe is serious and even blocked, and the like, the service life of the conventional gas normal-pressure vertical heating furnace is very short, the service life of the whole oil field is generally 5 to 8 years and is less than 8 to 10 years of the design life, the reduction of the service life does not cause the increase of the operation cost of the oil field, and the serious safety problem is brought, and the production safety accidents caused by the faults or scrapping of the heating furnace are not few every year.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an oil field is with vertical vacuum phase transition heating furnace of low nitrogen energy-conserving of intelligence, and it has high energy efficiency, durable, safe and reliable's characteristics, has very big economic spreading value.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
an intelligent low-nitrogen energy-saving vertical vacuum phase-change heating furnace for an oil field comprises a prying body, wherein a heating furnace body, a crawling ladder, a control cabinet, a burner and a chimney are fixed on the prying body, a fuel preheating pipeline connected with the burner is arranged on the heating furnace body, and a furnace connected with the burner is arranged in the heating furnace body;
the furnace is characterized in that a recombustion chamber is arranged above the furnace pipe, a heat exchange coil is arranged above the recombustion chamber, a lower smoke chamber is arranged below the furnace pipe, the recombustion chamber and the lower smoke chamber are communicated through a plurality of threaded smoke pipes, one side of the lower smoke chamber is connected with a flange of a chimney through a flue, and the control cabinet is connected with the combustor in a control mode.
The present invention may be further configured in a preferred embodiment as: the heating furnace body is provided with first manhole and second manhole on combustor one side, first manhole with the chamber of backflowing links to each other, the second manhole links to each other with lower smoke chamber.
The present invention in a preferred embodiment can be further configured to: a detachable protective cover is fixed on the combustor.
The present invention in a preferred embodiment can be further configured to: one end of the ladder stand extends to the upper portion of the top of the heating furnace body, and a guardrail is arranged at the edge of the top of the heating furnace body.
The present invention may be further configured in a preferred embodiment as: and an explosion-proof door is arranged on the side wall of the heating furnace body.
The present invention may be further configured in a preferred embodiment as: the height of the chimney is more than or equal to 15m, the middle part of the chimney is provided with a smoke detection sampling port, and the bottom of the chimney is provided with an inspection port.
The present invention may be further configured in a preferred embodiment as: the combustor is a full-automatic direct-fired low-nitrogen combustor.
The present invention may be further configured in a preferred embodiment as: and a hydrophobic heat-insulating layer is arranged on the outer wall of the heating furnace body.
To sum up, the utility model discloses a following at least one useful technological effect:
1. this application passes through switch board control combustor for fuel gets into the combustor of horizontal arrangement after heating in through the fuel preheating pipe and burns, produces the high temperature flue gas and gets into the chamber of burning back according to the turning to vertical upwards of refractory pouring in the stove courage, and flue gas transfer direction gets into down the smoke chamber after entering the screw thread tobacco pipe erodees the heat transfer perpendicularly downwards, passes through the chimney through the flue and discharges into the atmosphere. The heating furnace has reasonable heat distribution, enough heating surfaces are arranged, the output of the heating furnace can be ensured, and the heating furnace has the characteristics of high energy efficiency, durability, safety and reliability and has great economic popularization value.
2. The utility model provides a heating furnace body is inside to adopt two return journey modes, including the flashback chamber, the furnace courage, lower smoke chamber, heating furnace body adopt wet back formula flashback chamber structure and tube sheet metal plate limit technology, have prolonged the life of heating furnace greatly, and design life exceeds 15 years. The combustion-back chamber is welded with the furnace pipe and the lower smoke chamber into a whole and the insides are mutually communicated.
3. Crude oil flows through the heat exchange coil pipe and enters the oil pipeline after being heated for convenient conveying, the heat exchange coil pipe adopts a built-in extractable structure, the heat exchange coil pipe is convenient to replace, and the problem that scaling inside the heat exchange coil pipe is difficult to maintain is solved.
4. This application utilizes wet back of body formula back combustion chamber, two return stroke mode furnace bodies, and the even heating has improved the heating furnace thermal efficiency, has increased heating furnace life, utilizes the integral type sled body, and is sturdy and durable, utilizes remote monitoring to realize unmanned on duty, promotes combustor operating efficiency safely portably, utilizes explosion-proof equipment to ensure the safe operation of heating furnace.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic sectional view of the present invention.
Reference numerals are as follows: 1. a pry body; 2. a heating furnace body; 3. climbing a ladder; 4. a chimney; 5. a guardrail; 6. a control cabinet; 7. a protective cover; 8. an inspection opening; 9. a flue; 10. a smoke detection sampling port; 11. a threaded smoke tube; 12. an explosion vent; 13. a heat exchange coil; 14. a first manhole; 15. a flashback chamber; 16. a fuel preheating conduit; 17. a furnace pipe; 18. a burner; 19. a lower smoke chamber; 20. a second manhole.
Detailed Description
The technical solution in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is obvious that the embodiments described are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without making creative efforts based on the embodiments in the present application belong to the protection scope of the present application.
In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and operate, and thus, should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The first embodiment is as follows:
referring to fig. 1, for the utility model discloses an oil field is with vertical vacuum phase transition heating furnace of low nitrogen energy-conserving of intelligence, including the sled body 1, be fixed with heating furnace body 2, cat ladder 3, switch board 6, combustor 18 and chimney 4 on the sled body 1.
Referring to fig. 2, a fuel preheating pipe 16 connected to a burner 18 is provided in the heating furnace body 2, and a furnace 17 connected to the burner 18 is provided in the heating furnace body 2. A recombustion chamber 15 is arranged above the furnace pipe 17, a heat exchange coil 13 is arranged above the recombustion chamber 15, a lower smoke chamber 19 is arranged below the furnace pipe 17, the recombustion chamber 15 and the lower smoke chamber 19 are communicated through a plurality of threaded smoke pipes 11, one side of the lower smoke chamber 19 is connected with a flange of the chimney 4 through a flue 9, and the control cabinet 6 is in control connection with a burner 18.
The utility model discloses in, switch board 6 adopts remote monitoring, need not field operation alright open and stop the heating furnace operation, and the real-time supervision running state realizes unmanned on duty, and system monitoring signal is complete, and the heating furnace system of being convenient for optimizes, improves the operating efficiency of combustor 18, promotes the comprehensive thermal efficiency of heating furnace.
The heating furnace body 2 adopts an internal two-return mode, comprises a flashback chamber 15, a furnace pipe 17 and a lower smoke chamber 19, the heating furnace body 2 adopts a wet-back type flashback chamber 15 structure and a tube plate metal plate edge process, the service life of the heating furnace is greatly prolonged, and the design service life exceeds 15 years. The combustion chamber 15, the furnace pipe 17 and the lower smoke chamber 19 are welded into a whole and communicated with each other, and the heat exchange coil 13 is of a built-in and drawable structure, so that the heat exchange coil 13 is convenient to replace.
Utilize wet back formula after burning room 15, two return stroke mode furnace bodies, even heating has improved the heating furnace thermal efficiency, has increased heating furnace life, utilizes integral type sled body 1, and is sturdy and durable, utilizes remote monitoring to realize unmanned on duty, promotes 18 operating efficiency of combustor safely portably, utilizes explosion-proof equipment to ensure the safety in production of heating furnace.
The heating furnace body is provided with first manhole and second manhole on combustor one side, and first manhole links to each other with the chamber of backflowing, and the second manhole links to each other with lower smoke chamber. The upper manhole and the lower manhole facilitate the access of maintainers into the furnace body, and the maintenance and repair of the heating furnace are facilitated.
The burner 18 is fixed with the detachable protective cover 7, and the protective cover 7 can effectively protect the burner 18 on one hand, and on the other hand, the burner 18 is prevented from being touched by workers during working, so that the safety is improved. One end of the ladder stand 3 extends to the upper part of the top of the heating furnace body 2, and the edge of the top of the heating furnace body 2 is provided with a guardrail 5. The crawling ladder 3 is convenient for workers to climb above the heating furnace body 2 for regular maintenance, and the arrangement of the guardrails 5 further improves the safety of the workers during maintenance.
Be provided with explosion vent 12 on the lateral wall of heating furnace body 2, install the silica gel film on the explosion vent 12, after heating furnace body internal pressure is higher than a definite value, the silica gel film breaks, thereby releases the inside steam of heating furnace and reduces soda space pressure, has ensured the safe operation of heating furnace.
The height of the chimney 4 is larger than or equal to 15m, a smoke detection sampling port 10 is arranged in the middle of the chimney 4, an inspection port 8 is arranged at the bottom of the chimney 4, the smoke detection sampling port 10 is convenient to detect the smoke emission condition of the heating furnace, and the inspection port 8 is convenient for workers to clean ash and overhaul.
The burner 18 is a full-automatic direct-fired low-nitrogen burner 18, and fuel is combusted in the inner side of the burner 18 to form a swirling ascending flame in the furnace body. Wherein, the nitrogen oxide NOx in the flue gas emission is not more than 45mg/m in the dry mass; carrying out the grain weight reduction at a ratio of less than or equal to 10 mg/m; the smoke blackness (Ringelmann blackness, grade) is less than or equal to 1 grade.
A hydrophobic heat insulation layer is arranged on the outer wall of the heating furnace body 2, the hydrophobic heat insulation layer is made of hydrophobic heat insulation materials, and rainwater is prevented from entering the heat insulation layer after sealing treatment; meanwhile, a flow guide device is arranged outside the heat-insulating layer of the heating furnace, so that rainwater is rapidly discharged from the outer surface.
The implementation principle of the embodiment is as follows: the control cabinet 6 controls the burner 18 to enable fuel to enter the horizontally arranged burner 18 for burning after being heated in the fuel preheating pipeline 16, high-temperature flue gas generated in the furnace pipe 17 vertically upwards enters the combustion chamber 15 according to the rotation direction of refractory pouring, the flue gas is vertically downwards turned to enter the threaded smoke pipe 11 for flushing and heat exchange, then enters the lower smoke chamber 19, and is discharged into the atmosphere through the chimney 4 through the flue 9. The heating furnace has reasonable heat distribution, enough heating surfaces are arranged, the output of the heating furnace can be ensured, and the heating furnace has the characteristics of high energy efficiency, durability, safety and reliability and has great economic popularization value.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model should be covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides an oil field is with vertical vacuum phase transition heating furnace of low nitrogen energy-conserving of intelligence, includes sled body (1), its characterized in that: a heating furnace body (2), a ladder (3), a control cabinet (6), a burner (18) and a chimney (4) are fixed on the pry body (1), a fuel preheating pipeline (16) connected with the burner (18) is arranged on the heating furnace body (2), and a furnace pipe (17) connected with the burner (18) is arranged in the heating furnace body (2);
the stove pipe is characterized in that a backfire chamber (15) is arranged above the stove pipe (17), a heat exchange coil (13) is arranged above the backfire chamber (15), a lower smoke chamber (19) is arranged below the stove pipe (17), the backfire chamber (15) is communicated with the lower smoke chamber (19) through a plurality of threaded smoke pipes (11), one side of the lower smoke chamber (19) is connected with a flange of a chimney (4) through a flue (9), and a control cabinet (6) is connected with a burner (18) in a control mode.
2. The intelligent low-nitrogen energy-saving vertical vacuum phase-change heating furnace for the oil field according to claim 1, characterized in that: heating furnace body (2) are in combustor (18) one side is provided with first manhole (14) and second manhole (20), first manhole (14) with burn back room (15) and link to each other, second manhole (20) link to each other with lower smoke chamber (19).
3. The intelligent low-nitrogen energy-saving vertical vacuum phase-change heating furnace for the oil field according to claim 1, which is characterized in that: a detachable protective cover (7) is fixed on the burner (18).
4. The intelligent low-nitrogen energy-saving vertical vacuum phase-change heating furnace for the oil field according to claim 1, which is characterized in that: one end of the ladder stand (3) extends to the upper part of the top of the heating furnace body (2), and a guardrail (5) is arranged at the edge of the top of the heating furnace body (2).
5. The intelligent low-nitrogen energy-saving vertical vacuum phase-change heating furnace for the oil field according to claim 1, which is characterized in that: an explosion door (12) is arranged on the side wall of the heating furnace body (2).
6. The intelligent low-nitrogen energy-saving vertical vacuum phase-change heating furnace for the oil field according to claim 1, which is characterized in that: the height of the chimney (4) is more than or equal to 15m, the middle of the chimney (4) is provided with a smoke detection sampling port (10), and the bottom of the chimney (4) is provided with an inspection port (8).
7. The intelligent low-nitrogen energy-saving vertical vacuum phase-change heating furnace for the oil field according to claim 1, characterized in that: the combustor (18) is a full-automatic direct-fired low-nitrogen combustor.
8. The intelligent low-nitrogen energy-saving vertical vacuum phase-change heating furnace for the oil field according to claim 1, which is characterized in that: the outer wall of the heating furnace body (2) is provided with a hydrophobic heat-insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222704142.9U CN218269586U (en) | 2022-10-14 | 2022-10-14 | Intelligent low-nitrogen energy-saving vertical vacuum phase change heating furnace for oil field |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222704142.9U CN218269586U (en) | 2022-10-14 | 2022-10-14 | Intelligent low-nitrogen energy-saving vertical vacuum phase change heating furnace for oil field |
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| CN218269586U true CN218269586U (en) | 2023-01-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117029276A (en) * | 2023-10-09 | 2023-11-10 | 上海焱晶燃烧设备检测有限公司 | Vertical vacuum phase-change heating furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117029276A (en) * | 2023-10-09 | 2023-11-10 | 上海焱晶燃烧设备检测有限公司 | Vertical vacuum phase-change heating furnace |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Yazhou Inventor after: Gu Xiaopeng Inventor after: Xi Li Inventor after: Li Jun Inventor after: Tang Jian Inventor after: Zhao Xiongke Inventor after: Chen Yang Inventor after: Liu Feng Inventor after: Wang Jun Inventor after: Fu Jun Inventor after: Mi Guoqiang Inventor before: Li Yazhou Inventor before: Xi Li Inventor before: Li Jun Inventor before: Tang Jian Inventor before: Zhao Xiongke Inventor before: Liu Feng Inventor before: Wang Jun Inventor before: Fu Jun Inventor before: Mi Guoqiang Inventor before: Gu Xiaopeng |
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| CB03 | Change of inventor or designer information |