CN217900555U - Spraying heat recovery tower for oil field heating furnace - Google Patents
Spraying heat recovery tower for oil field heating furnace Download PDFInfo
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- CN217900555U CN217900555U CN202222124680.0U CN202222124680U CN217900555U CN 217900555 U CN217900555 U CN 217900555U CN 202222124680 U CN202222124680 U CN 202222124680U CN 217900555 U CN217900555 U CN 217900555U
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- heating furnace
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- cone hopper
- oil field
- heat recovery
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Abstract
The utility model provides a spray heat recovery tower for an oil field heating furnace, which comprises a tower body, wherein the bottom of the tower body is provided with a bottom plate; the interior of the tower body is sequentially provided with a spraying device, a swirler, a diffusion cone hopper and a gravity settling cone hopper from top to bottom; the inlet of the spraying device is communicated with a liquid inlet main pipe of the heating furnace; an air inlet pipe for introducing flue gas is communicated below the diffusion cone hopper; the bottom of the diffusion cone hopper is provided with a liquid collecting pipe, and the liquid collecting pipe is positioned in an inner cavity of the gravity settling cone hopper; the bottom end of the liquid collecting pipe is closed, and a plurality of liquid distributing pipes are arranged at the bottom of the liquid collecting pipe; the gravity settling cone hopper passes through the bottom plate and is communicated with a drain pipe with a valve; the contact surface of the outer wall of the gravity settling cone hopper and the bottom plate is sealed by welding; the bottom plate is provided with a through hole which is communicated with the liquid outlet pipe. The utility model discloses an oil field heating furnace is with spraying backheat tower has realized the degree of depth waste heat recovery that the heating furnace discharged fume and the filtration of feed liquor, has reduced furnace body scale deposit risk, has improved the operational thermal efficiency and the security of heating furnace.
Description
Technical Field
The utility model relates to an oil field heating furnace especially relates to an oil field heating furnace is with spraying heat recovery tower.
Background
The oil field heating furnace provides heat required by the oil extraction process flow by burning a certain amount of petroleum associated gas (main component natural gas), and generally has the characteristics of small monomer capacity, large quantity, dispersed arrangement, large fluctuation of operation load, complex medium components, high smoke exhaust temperature, easy scaling in the furnace, serious icing around the heating furnace in winter and the like. Based on the characteristics of the heating furnace in the oil field, the energy-saving and emission-reducing work of the heating furnace in the oil field cannot be applied in a large scale, only sporadic test items take energy-saving measures at present, and the operation effect is not good.
Under the drive of the current domestic double-carbon policy, the energy-saving and carbon-reducing industry of all industries is developed vigorously, but due to the fact that suitable technical equipment is not available, the energy-saving work in the field of oil field heating furnaces still keeps pace and is slow in progress. How to improve the high energy consumption and high pollution production state of the current oil field heating furnace becomes a technical problem which needs to be solved urgently.
In view of this, the present invention is especially provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an oil field heating furnace is with spraying backheating tower, should spray the degree of depth waste heat recovery that the backheating tower has realized the heating furnace and has discharged fume, has reached energy saving and consumption reduction's purpose.
In order to solve the technical problem, the utility model provides a spray heat recovery tower for an oil field heating furnace, which comprises a tower body, wherein the bottom of the tower body is provided with a bottom plate;
the spraying device, the cyclone, the diffusion cone hopper and the gravity settling cone hopper are sequentially arranged in the tower body from top to bottom; the inlet of the spraying device is communicated with a liquid inlet main pipe of the heating furnace;
an air inlet pipe for introducing flue gas is communicated with the lower part of the diffusion cone hopper; the bottom of the diffusion cone hopper is provided with a liquid collecting pipe, and the liquid collecting pipe is positioned in an inner cavity of the gravity settling cone hopper; the bottom end of the liquid collecting pipe is closed, and a plurality of liquid distributing pipes are arranged at the bottom of the liquid collecting pipe;
the gravity settling cone hopper passes through the bottom plate and is communicated with a drain pipe with a valve; the contact surface of the outer wall of the gravity settling cone hopper and the bottom plate is sealed by welding; the bottom plate is provided with a through hole which is communicated with the liquid outlet pipe.
Furthermore, a demister is arranged in the tower body and above the spraying device.
Furthermore, the spraying device comprises a liquid inlet pipe, a plurality of spraying pipes are uniformly communicated with two sides of the liquid inlet pipe, and a plurality of nozzles are distributed at the bottom of each spraying pipe; and the inlet of the liquid inlet pipe is communicated with a liquid inlet main pipe of the heating furnace.
Further, the cyclone is fixedly arranged at the upper end of the diffusion cone hopper; the peripheral surface of the cyclone and the peripheral wall of the upper end of the diffusion cone hopper are in gapless fit with the inner wall of the tower body.
Furthermore, a dosing system is arranged above the opening at the top of the gravity settling cone hopper.
Further, the medicine feeding system comprises an annular medicine feeding pipe, and a plurality of medicine dripping holes are formed in the bottom of the annular medicine feeding pipe; the side wall of the tower body is provided with a medicine inlet, a medicine inlet pipe is arranged at the medicine inlet, and the medicine inlet pipe is communicated with the annular medicine feeding pipe.
Furthermore, an exhaust pipe is installed at the top of the tower body.
Furthermore, manholes are respectively arranged on the side walls of the upper part and the lower part of the tower body.
Furthermore, the diffusion cone hopper and the gravity settling cone hopper are fixed through a support and the inner wall of the tower body respectively.
Furthermore, the bottom of tower body is equipped with evenly distributed's supporting leg.
Furthermore, the annular dosing pipe is respectively fixed with the outer wall of the liquid collecting pipe and the inner wall of the tower body through a bracket.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model discloses a spray heat recovery tower for oil field heating furnace adopts the mode of direct contact, and the heating furnace feed liquor (containing water oil or oily water) is used as the cooling medium to recover the waste heat of the heating furnace exhaust smoke, thereby realizing the deep waste heat recovery of the heating furnace exhaust smoke, purifying the exhaust smoke and improving the environmental protection quality;
2. the utility model discloses a spray heat recovery tower for an oil field heating furnace utilizes the gravity settling mechanism, realizes the filtration of the feed liquid of the heating furnace, reduces the scaling risk of the heating furnace, and improves the operating thermal efficiency and the safety of the heating furnace;
3. the utility model discloses a spray heat recovery tower for oil field heating furnace, directly use a large amount of flue gas comdenstion water as the heating furnace moisturizing retrieval and utilization, both realized the quenching and tempering to the heating furnace feed liquor, improved the scale deposit problem of heating furnace, reduced the production water consumption simultaneously;
4. the spraying heat recovery tower for the oil field heating furnace can select a configuration mode of one furnace and one tower or a plurality of furnaces and one tower according to the actual condition of the oil field station heating furnace, thereby realizing the maximization of energy-saving benefit; and the method has good adaptability to frequent fluctuation of the operation load of the heating furnace, and can meet the energy-saving indexes of the heating furnace under different working conditions.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a three-dimensional structure of a spray heat recovery tower for an oil field heating furnace provided by the utility model;
fig. 2 is a schematic diagram of the internal structure of the spray heat recovery tower for the oil field heating furnace provided by the utility model;
fig. 3 is a schematic view of the internal structure of another viewing angle of the spray heat recovery tower for the oil field heating furnace according to the present invention;
fig. 4 is a first view of the spray heat recovery tower for the oil field heating furnace provided by the utility model;
fig. 5 is a second view of the spray heat recovery tower for the oil field heating furnace according to the present invention.
Description of reference numerals:
1-a tower body; 2-an exhaust pipe;
3-a bottom plate; 11-a demister;
12-a spraying device; 13-a cyclone;
14-a diffusion cone; 15-gravity settling cone hopper;
4-a scaffold; 141-an air inlet pipe;
16-a liquid collecting pipe; 17-a drain pipe with a valve;
18-a liquid separating tube; 19-a liquid outlet pipe;
121-a liquid inlet pipe; 122-a shower;
20-a medicine feeding pipe; 21-a medicine inlet pipe;
22-support legs; 23-a manhole;
171-blowdown valve.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "coupled" are to be construed broadly and may include, for example, fixed connections, removable connections, or integral connections; 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 invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, the spray heat recovery tower for the oil field heating furnace provided by the present invention comprises a tower body 1, wherein an exhaust pipe 2 is installed at the top of the tower body 1, and a bottom plate 3 is arranged at the bottom of the tower body 1; a demister 11, a spraying device 12, a swirler 13, a diffusion cone hopper 14 and a gravity settling cone hopper 15 are sequentially arranged in the tower body 1 from top to bottom; wherein, the diffusion cone hopper 14 and the gravity settling cone hopper 15 are respectively fixed through the bracket 4 and the inner wall of the tower body 1;
the inlet of the spraying device 12 is communicated with a liquid inlet main pipe of the heating furnace; an air inlet pipe 141 for introducing flue gas is communicated below the diffusion cone 14, and the end part of the air inlet pipe 141 is connected with a high-temperature flue gas pipeline of the heating furnace through a flange; a liquid collecting pipe 16 is arranged at the bottom of the diffusion cone hopper 14, and the liquid collecting pipe 16 is positioned in an inner cavity of the gravity settling cone hopper 15; wherein, the blow-off pipe 17 with the valve is provided with a blow-off valve 171, the bottom end of the liquid collecting pipe 16 is closed, and the bottom is provided with a plurality of liquid distributing pipes 18; a dosing system is arranged above the opening at the top of the gravity settling conical hopper 15, the gravity settling conical hopper 15 penetrates through the bottom plate 3 to be communicated with a drain pipe 17 with a valve, and the surface of the outer wall of the gravity settling conical hopper 15, which is in contact with the bottom plate 3, is sealed by welding; the bottom plate 3 is provided with a through hole which is communicated with the liquid outlet pipe 19.
The low-temperature liquid from a liquid inlet main pipe of the heating furnace enters the spraying device 12 from an inlet of the spraying device 12, is sprayed downwards in the tower body 1, sequentially passes through the cyclone 13, the diffusion cone hopper 14, the liquid collecting pipe 16 and the liquid distributing pipe 18, then enters the gravity settling cone hopper 15, the liquid medium is longitudinally separated in the gravity settling cone hopper 15 under the action of gravity, and clear liquid ascends to overflow to the bottom of the tower body 1 from the top edge of the gravity settling cone hopper 15 and finally is output to the heating furnace through the liquid outlet pipe 19; large particle impurities and the like enter the drainage pipe 17 with the valve downwards, and drainage is performed by opening the drainage valve 171 at regular intervals.
When the low-temperature liquid enters the spraying device 12, high-temperature flue gas from the heating furnace enters the diffusion cone hopper 14 through the air inlet pipe 141, the high-temperature flue gas vertically diffuses and ascends in the diffusion cone hopper 14 and starts to generate direct contact type heat and mass transfer action with a liquid medium sprayed out from the spraying device 12, the flue gas changes into rotation and ascends after being turned by the cyclone 13, the strength of the heat and mass transfer action with the liquid medium is enhanced, and the flue gas is discharged heat and cooled, then sequentially passes through the spraying device 12 and the demister 11 and finally is exhausted to the ambient atmosphere through the exhaust pipe 2; meanwhile, alkali liquor with certain concentration and components is added into the clear liquid in the gravity settling cone hopper 15 through a dosing system for adjusting the quality of the clear liquid.
The utility model discloses a spray heat recovery tower for oil field heating furnace adopts the mode of direct contact, and the heating furnace feed liquor (containing water oil or oily water) is used as the cooling medium to recover the waste heat of the heating furnace exhaust smoke, thereby realizing the deep waste heat recovery of the heating furnace exhaust smoke, purifying the exhaust smoke and improving the environmental protection quality; by utilizing a gravity settling mechanism, the filtering of the feed liquor of the heating furnace is realized, the scaling risk of the heating furnace is reduced, and the operating thermal efficiency and the safety of the heating furnace are improved; a large amount of flue gas condensate water is directly used as the water supplement of the heating furnace for recycling, so that the quality of the feed liquid of the heating furnace is improved, the scaling problem of the heating furnace is improved, and the production water consumption is reduced.
Specifically, the spraying device 12 includes a liquid inlet pipe 121, a plurality of spraying pipes 122 are uniformly communicated with both sides of the liquid inlet pipe 121, and a plurality of nozzles are distributed at the bottom of each spraying pipe 122; the inlet of the liquid inlet pipe 121 is communicated with a liquid inlet main pipe of the heating furnace. The spraying effect of the low-temperature liquid sprayed by the spraying pipe 122 and the nozzle is better, and the mixing is more uniform.
In this embodiment, the cyclone 13 is fixedly installed at the upper end of the diffusion cone hopper 14, and the outer peripheral surface of the cyclone 13 and the outer peripheral wall of the upper end of the diffusion cone hopper 14 are in clearance-free fit with the inner wall of the tower body 1, so that low-temperature liquid can be prevented from directly entering the tower bottom along the inner wall of the tower body 1, and the low-temperature liquid and high-temperature flue gas can be completely and fully in direct contact with each other to perform mass and heat transfer.
In addition, medicine system in this embodiment includes that annular adds pencil 20, and annular adds pencil 20's bottom is equipped with a plurality of evenly distributed's medicine hole that drips, and the lateral wall of tower body 1 has been seted up into medicine mouth, and it is equipped with into pencil 21 to advance medicine mouth department, advances pencil 21 and annular and adds pencil 20 intercommunication. Wherein, the annular dosing pipe 20 is respectively fixed with the outer wall of the liquid collecting pipe and the inner wall of the tower body through a bracket. The liquid medicine gets into annular medicine feed pipe 20 through advancing pencil 21 in, through the medicine hole that drips of bottom again with drip the mode of drenching add to the clear liquid in the gravity subsides awl fill 15, this kind of structure possesses the advantage of evenly adding the medicine, can guarantee liquid medicine and clear liquid intensive mixing reaction.
On the basis of the scheme, manholes 23 are respectively formed in the side walls of the upper portion and the lower portion of the tower body, and field workers can conveniently enter and exit the tower body 1 to conveniently install, overhaul and perform safety inspection.
On the basis of the scheme, the bottom end of the tower body 1 is provided with the supporting legs 22 which are uniformly distributed.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.
Claims (10)
1. A spray heat recovery tower for an oil field heating furnace is characterized by comprising a tower body, wherein the bottom of the tower body is provided with a bottom plate;
the spraying device, the cyclone, the diffusion cone hopper and the gravity settling cone hopper are sequentially arranged in the tower body from top to bottom; the inlet of the spraying device is communicated with a liquid inlet main pipe of the heating furnace;
an air inlet pipe for introducing flue gas is communicated with the lower part of the diffusion cone hopper; the bottom of the diffusion cone hopper is provided with a liquid collecting pipe, and the liquid collecting pipe is positioned in an inner cavity of the gravity settling cone hopper; the bottom end of the liquid collecting pipe is closed, and a plurality of liquid distributing pipes are arranged at the bottom of the liquid collecting pipe;
the gravity settling cone hopper passes through the bottom plate and is communicated with a drain pipe with a valve; the contact surface of the outer wall of the gravity settling cone hopper and the bottom plate is sealed by welding; the bottom plate is provided with a through hole which is communicated with the liquid outlet pipe.
2. The spray heat recovery tower for the oil field heating furnace according to claim 1, wherein a demister is arranged in the tower body and above the spray device.
3. The spray heat recovery tower for the oil field heating furnace according to claim 1, wherein the spray device comprises a liquid inlet pipe, a plurality of spray pipes are uniformly communicated with two sides of the liquid inlet pipe, and a plurality of spray nozzles are distributed at the bottom of each spray pipe; and the inlet of the liquid inlet pipe is communicated with a liquid inlet main pipe of the heating furnace.
4. The spray heat recovery tower for the oil field heating furnace according to claim 1, wherein the cyclone is fixedly installed at the upper end of the diffusion cone; the outer peripheral surface of the cyclone and the outer peripheral wall of the upper end of the diffusion cone hopper are in gapless fit with the inner wall of the tower body.
5. The spray heat recovery tower for the oil field heating furnace according to claim 1, wherein a dosing system is arranged above the top opening of the gravity settling cone.
6. The spray heat recovery tower for the oil field heating furnace according to claim 5, wherein the dosing system comprises an annular dosing pipe, and the bottom of the annular dosing pipe is provided with a plurality of medicine dripping holes; the side wall of the tower body is provided with a medicine inlet, a medicine inlet pipe is arranged at the medicine inlet, and the medicine inlet pipe is communicated with the annular medicine feeding pipe.
7. The spray heat recovery tower for the oil field heating furnace according to claim 1, wherein an exhaust pipe is installed at the top of the tower body.
8. The spray heat recovery tower for the oil field heating furnace according to claim 1, wherein manholes are respectively formed on the side walls of the upper part and the lower part of the tower body.
9. The spray heat recovery tower for the oil field heating furnace according to claim 1, wherein the diffusion cone hopper and the gravity settling cone hopper are fixed through a bracket and the inner wall of the tower body respectively.
10. The spray heat recovery tower for the oil field heating furnace according to claim 1, wherein the bottom end of the tower body is provided with uniformly distributed support legs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222124680.0U CN217900555U (en) | 2022-08-12 | 2022-08-12 | Spraying heat recovery tower for oil field heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222124680.0U CN217900555U (en) | 2022-08-12 | 2022-08-12 | Spraying heat recovery tower for oil field heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217900555U true CN217900555U (en) | 2022-11-25 |
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ID=84143584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222124680.0U Active CN217900555U (en) | 2022-08-12 | 2022-08-12 | Spraying heat recovery tower for oil field heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217900555U (en) |
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2022
- 2022-08-12 CN CN202222124680.0U patent/CN217900555U/en active Active
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