CN218001837U - Energy-saving and environment-friendly system for oil field heating furnace - Google Patents
Energy-saving and environment-friendly system for oil field heating furnace Download PDFInfo
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- CN218001837U CN218001837U CN202222512213.5U CN202222512213U CN218001837U CN 218001837 U CN218001837 U CN 218001837U CN 202222512213 U CN202222512213 U CN 202222512213U CN 218001837 U CN218001837 U CN 218001837U
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Abstract
The utility model belongs to the technical field of energy-concerving and environment-protective, specifically provide an energy-concerving and environment-protective system for oil field heating furnace, including oil field heating furnace, feed liquor pipe, drain pipe, combustor and discharge flue, the system includes: one side of the energy-saving device is connected with the liquid inlet pipe in parallel, and the other side of the energy-saving device is connected with the smoke discharge flue in parallel; the bottom of the energy-saving device is provided with a condensed water collecting tank, a condensed water drainage pipe and a condensed water tank; one end of the condensed water drain pipe is connected with the condensed water collecting tank, and the other end of the condensed water drain pipe is connected with the condensed water tank. The utility model takes the feed liquor of the heating furnace as a cold source, reduces the smoke exhaust temperature of the heating furnace below the water dew point, and recovers the waste heat of the smoke to preheat the feed liquor of the heating furnace, thereby achieving the effect of deeply recovering the waste heat of the smoke; on the other hand, the flue gas condensate water is recycled as the water supplement of the heating furnace, so that the production water consumption is saved, and the scaling problem in the furnace of the heating furnace is relieved to a certain extent based on the weak acidity of the condensate water.
Description
Technical Field
The utility model belongs to the technical field of energy-concerving and environment-protective, concretely relates to oil field is energy-concerving and environment-protective system for heating furnace.
Background
In the process of crude oil extraction, crude oil and oily sewage need to be heated to the temperature required by the process in the crude oil gathering and transportation process so as to facilitate subsequent transportation, settlement, separation, dehydration, water mixing, hot washing, crude oil primary processing and the like. The high-temperature flue gas releases heat and is cooled to 100-400 ℃, and the high-temperature flue gas is discharged from the outlet of the heating furnace and is exhausted through a chimney. The exhaust smoke contains a large amount of heat energy, about 17% of water vapor, a large amount of CO2, a small amount of sulfur oxides and nitrogen oxides, and the heat energy and the components are discharged into the atmospheric environment, so that on one hand, certain heat pollution is caused to the natural environment, on the other hand, the quality of the ambient air is reduced, meanwhile, a large amount of energy is wasted, and the production cost of the oil extraction process is increased. In addition, wet flue gas with high water content is easy to form smoke rain around the chimney and falls down, and adverse effects are caused to equipment and working environment in a plant.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: aims to provide an energy-saving and environment-friendly system for an oil field heating furnace, which is used for solving the problems pointed out in the background technology.
In order to realize the technical purpose, the utility model discloses a technical scheme as follows:
the invention provides an energy-saving and environment-friendly system for an oil field heating furnace, which comprises the oil field heating furnace, a liquid inlet pipe, a liquid outlet pipe, a burner and a smoke exhaust channel, wherein the system comprises:
one side of the energy-saving device is connected with the liquid inlet pipe in parallel, and the other side of the energy-saving device is connected with the smoke discharge flue in parallel; the bottom of the energy-saving device is provided with a condensed water collecting tank, a condensed water drainage pipe and a condensed water tank; one end of the condensed water drain pipe is connected with the condensed water collecting tank, and the other end of the condensed water drain pipe is connected with the condensed water tank;
the position of the liquid inlet pipe, which is far away from the oil field heating furnace, is provided with a liquid taking port, and the position of the liquid inlet pipe, which is close to the oil field heating furnace, is provided with a liquid return port; an isolation valve is arranged between the liquid taking port and the liquid return port; the liquid taking port is connected with the energy-saving device through a liquid taking pipe, a booster pump is arranged on the liquid taking pipe, and the liquid return port is connected with the energy-saving device through a liquid return pipe;
an air intake is arranged at the position of the smoke vent close to the oil field heating furnace; the air intake is connected with the energy-saving device through an air intake pipe; a booster fan is arranged at the position of the air intake pipe far away from the air intake opening; an air return port is formed in the position, far away from the oil field heating furnace, of the smoke exhaust channel; and the air return inlet is connected with the energy-saving device through an air return pipe.
Further, the energy-saving device is a shell-and-tube heat exchanger.
Further, the condensed water tank is connected with the liquid taking pipe through a condensed water recovery pipe; and a condensate water recovery pump is arranged on the condensate water recovery pipe and close to the condensate water tank.
Furthermore, a check valve is arranged on the position, far away from the condensed water tank, of the condensed water recovery pipe.
Furthermore, a breathing tube is arranged on the condensed water tank.
Further, a liquid level meter is arranged on the condensed water tank.
Furthermore, an air intake valve is arranged at the position, close to the air intake opening, of the air intake pipe, and an air return valve is arranged on the air return pipe.
Further, a liquid taking valve is arranged between the booster pump and the liquid taking port; and a liquid return valve is arranged on the liquid return pipe.
Further, a damper door is arranged between the air intake opening and the air return opening.
Adopt above-mentioned technical scheme's utility model, have following advantage:
1. the energy-saving and environment-friendly system in the utility model takes the feed liquor of the heating furnace as a cold source, reduces the smoke exhaust temperature of the heating furnace below the water dew point, fully recovers the waste heat of the smoke to preheat the feed liquor of the heating furnace, and achieves the effect of deeply recovering the waste heat of the smoke;
2. the utility model provides a with the flue gas comdenstion water as the moisturizing retrieval and utilization of heating furnace, practiced thrift the production water consumption on the one hand, on the other hand is based on the faintly acid of comdenstion water, has played certain effect of alleviating to the stove interior scale deposit problem of heating furnace.
Drawings
The invention can be further illustrated by means of non-limiting examples given in the figures;
FIG. 1 is a structural diagram of an energy-saving and environment-friendly system for an oil field heating furnace according to the present invention;
the main element symbols are as follows:
the device comprises an oil field heating furnace 1, an air damper 2, a discharge flue 3, an air return pipe 4, an air intake pipe 5, an air return valve 6, an air intake valve 7, a booster fan 8, a combustor 9, an energy-saving device 10, a liquid return pipe 11, a liquid intake pipe 12, a booster pump 13, a liquid return valve 14, a liquid intake valve 15, an isolation valve 16, a liquid intake pipe 17, a liquid outlet pipe 18, a condensate water drain pipe 19, a condensate water tank 20, a condensate water recovery pump 21, a condensate water recovery pipe 22, a check valve 23 and a breathing pipe 24.
Detailed Description
The present invention will be described in detail with reference to the drawings and specific embodiments, wherein like reference numerals are used for similar or identical parts in the drawings or the description, and implementations not shown or described in the drawings are known to those of ordinary skill in the art. In addition, directional terms such as "upper", "lower", "top", "bottom", "left", "right", "front", "back", etc. mentioned in the embodiments are only directions referring to the drawings, and are not intended to limit the scope of the present invention.
As shown in fig. 1, an energy-saving and environment-friendly system for an oil field heating furnace comprises an oil field heating furnace 1, a liquid inlet pipe 17, a liquid outlet pipe 18, a burner 9 and a discharge flue 3, and the energy-saving and environment-friendly system further comprises: one side of the energy-saving device 10 is connected with the liquid inlet pipe 17 in parallel, and the other side of the energy-saving device 10 is connected with the smoke exhaust 3 in parallel; the bottom of the energy-saving device 10 is provided with a condensed water collecting tank, a condensed water drain pipe 19 and a condensed water tank 20; one end of a condensed water drain pipe 19 is connected with the condensed water collecting tank, and the other end of the condensed water drain pipe 19 is connected with a condensed water tank 20; a liquid taking port is formed in the position, far away from the oil field heating furnace 1, of the liquid inlet pipe 17, and a liquid returning port is formed in the position, close to the oil field heating furnace 1, of the liquid inlet pipe 17; an isolating valve 16 is arranged between the liquid taking port and the liquid return port; the liquid taking port is connected with the energy-saving device 10 through a liquid taking pipe 12, a booster pump 13 is arranged on the liquid taking pipe 12, and the liquid return port is connected with the energy-saving device 10 through a liquid return pipe 11; an air taking port is formed in the position, close to the oil field heating furnace 1, of the smoke exhaust duct 3; the air intake port is connected with the energy-saving device 10 through an air intake pipe 5; a booster fan 8 is arranged at the position of the air intake pipe 5 far away from the air intake port; and an air return port is formed in the position, far away from the oil field heating furnace 1, of the discharge flue 3.
When the device is used, the air damper 2 is in a closed state, the air taking valve 7 and the air return valve 6 are in an open state, the oil field heating furnace 1 discharges smoke under the driving of the booster fan 8, the smoke enters the shell pass of the energy-saving device 10 through the air taking pipe 5, the high-temperature smoke enters the chimney through the air return pipe 4 to be exhausted after being cooled by the energy-saving device 10, and the air taking port and the air return port are both arranged on the inner wall of the smoke discharge flue 3; the isolating valve 16 is in a closed state, the liquid taking valve 15 and the liquid returning valve 14 are in an open state, the feed liquid of the heating furnace enters the tube pass of the energy-saving device 10 through the liquid taking tube 12 under the driving of the booster pump 13, the temperature of the low-temperature liquid is raised after the heat exchange with the high-temperature flue gas is completed through the heat exchange tube, the low-temperature liquid enters the heating furnace through the liquid returning tube 11 to be heated continuously, and the liquid taking port and the liquid returning port are both arranged on the liquid inlet tube 17 of the heating furnace; the lower part of the energy-saving device 10 is provided with a condensate water collecting tank, the flue gas condensate water is collected in the water collecting tank and flows into a condensate water tank 20 through a condensate water drain pipe 19, and the interior of the condensate water tank 20 is communicated with the atmosphere.
When the device is not used, the isolating valve 16 is opened, the liquid taking valve 15 and the liquid return valve 14 are closed, the wind shield 2 is opened simultaneously, the air taking valve 7 and the air return valve 6 are closed, and the booster fan 8 and the booster pump 13 are closed, so that liquid inlet enters the oil field heating furnace 1 through the liquid inlet pipe 17, smoke is discharged through the discharge flue 3 through heating of the combustor 9, and the heated liquid inlet is output through the liquid outlet pipe 18. The energy-saving and environment-friendly system is convenient and flexible to use and can be freely switched according to production needs.
Compared with the prior art, the energy-saving and environment-friendly system takes the feed liquor of the heating furnace as a cold source, reduces the smoke exhaust temperature of the heating furnace to be below the water dew point, fully recovers the waste heat of the smoke to preheat the feed liquor of the heating furnace, achieves the effect of deeply recovering the waste heat of the smoke, realizes the energy-saving and environment-friendly effect, protects the environment, reduces the production cost and reduces the production energy consumption.
In this embodiment, the economizer 10 is preferably a shell-and-tube heat exchanger, which is a conventional heat exchanger and comprises a shell, a heat transfer tube bundle, a tube sheet, a baffle plate (baffle plate), a tube box, and the like. The tube bundle is arranged in the shell, and two ends of the tube bundle are fixed on the tube plate. One of the cold fluid and the hot fluid for heat exchange flows in the tube and is called tube side fluid; the other flows outside the tubes and is called shell-side fluid. The heat exchanger has simple structure, low cost, wide flow cross section and easy scale cleaning.
The condensed water tank 20 is connected with the liquid taking pipe 12 through a condensed water recovery pipe 22; in the present embodiment, one end of the condensate recovery pipe 22 is connected to the condensate tank 20, and the other end is connected to the liquid take-up pipe 12 between the booster pump 13 and the economizer 10; a condensate recovery pump 21 is provided on the condensate recovery pipe 22 at a position close to the condensate tank 20.
When in use, the weakly acidic flue gas condensate water enters the oil field heating furnace 1 through the energy-saving device 10 under the driving of the condensate water recovery pump 21. Because the feed liquid passes through the energy-saving device 10 and the oil field heating furnace 1 for a long time, scaling is inevitable; the heating effect of feed liquor can be influenced finally, and the flue gas condensate water is recycled as the water supplement of the heating furnace by the energy-saving and environment-friendly system, so that the production water consumption is saved on the one hand, and on the other hand, the scaling problem in the furnace of the heating furnace is relieved to a certain extent based on the weak acidity of the condensate water.
A check valve 23 is arranged on the condensed water recovery pipe 22 at a position far away from the condensed water tank 20, and the check valve 23 is arranged between the condensed water recovery pump 21 and the liquid taking pipe 12; the low-temperature liquid medium can be effectively prevented from being discharged through the condensed water recycling system, and the liquid medium can only flow in a single direction, namely only the flue gas condensed water is allowed to flow into the liquid inlet side of the heating furnace.
Be equipped with respiratory tube 24 on condensate tank 20, the condensate tank 20 communicates through respiratory tube 24 and external environment in, has guaranteed that the condensate tank 20 internal pressure is equal to atmospheric pressure to guarantee that the flue gas comdenstion water leans on the action of gravity to flow to condensate tank 20 smoothly from economizer 10, need not set up drive arrangement alone, further reached energy-concerving and environment-protective effect.
Be equipped with the level gauge on condensate tank 20, can clearly observe the interior liquid level condition of condensate tank through the level gauge, when preventing to congeal the lower time of liquid level in the water tank, and the user is unclear the liquid level condition and is opened congeal water recovery pump 21 by mistake, and then leads to congeal water recovery pump 21 and take place to idle running and lead to the impeller to be damaged by the cavitation, can prevent simultaneously that the liquid level is higher time, and the comdenstion water spills over and causes environmental pollution, has further improved the security that this energy-concerving and environment-protective system used from this.
An air intake valve 7 is arranged at the position of the air intake pipe 5 close to the air intake port, and an air return valve 6 is arranged on the air return pipe 4; a liquid taking valve 15 is arranged between the booster pump 13 and the liquid taking port; a liquid return valve 14 is arranged on the liquid return pipe 11; an air baffle door 2 is arranged between the air intake and the air return. When the energy-saving device 10 fails and cannot be normally used, the air taking valve 7 and the air return valve 6 are closed at the moment, the air blocking door 2 is opened, the liquid taking valve 15 and the liquid return valve 14 are closed, the isolating valve 16 is opened, liquid media enter the oil field heating furnace 1 through the liquid inlet pipe 17, and finally high-temperature smoke is discharged through the smoke discharge flue 3 to facilitate maintenance.
It is right above the utility model provides a pair of energy-concerving and environment-protective system for oil field heating furnace has carried out detailed introduction. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core concept. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (9)
1. The utility model provides an oil field is energy-concerving and environment-protective system for heating furnace, includes oil field heating furnace (1), feed liquor pipe (17), drain pipe (18), combustor (9) and discharge flue (3), its characterized in that, the system includes:
one side of the energy-saving device (10) is connected with the liquid inlet pipe (17) in parallel, and the other side of the energy-saving device (10) is connected with the discharge flue (3) in parallel; the bottom of the energy-saving device (10) is provided with a condensed water collecting tank, a condensed water drainage pipe (19) and a condensed water tank (20); one end of the condensed water drain pipe (19) is connected with the condensed water collecting tank, and the other end of the condensed water drain pipe (19) is connected with the condensed water tank (20);
a liquid taking port is formed in the position, far away from the oil field heating furnace (1), of the liquid inlet pipe (17), and a liquid returning port is formed in the position, close to the oil field heating furnace (1), of the liquid inlet pipe (17); an isolating valve (16) is arranged between the liquid taking port and the liquid return port; the liquid taking port is connected with the energy-saving device (10) through a liquid taking pipe (12), the liquid taking pipe (12) is provided with a booster pump (13), and the liquid returning port is connected with the energy-saving device (10) through a liquid returning pipe (11);
an air taking port is formed in the position, close to the oil field heating furnace (1), of the smoke exhaust duct (3); the air intake is connected with the energy-saving device (10) through an air intake pipe (5); a booster fan (8) is arranged at the position of the air intake pipe (5) far away from the air intake opening; an air return port is formed in the position, far away from the oil field heating furnace (1), of the smoke exhaust duct (3); the air return inlet is connected with the energy-saving device (10) through an air return pipe (4).
2. The energy-saving and environment-friendly system for the oil field heating furnace according to claim 1, characterized in that: the energy-saving device (10) is a shell-and-tube heat exchanger.
3. The energy-saving and environment-friendly system for the oil field heating furnace according to claim 2, characterized in that: the condensed water tank (20) is connected with the liquid taking pipe (12) through a condensed water recovery pipe (22); and a condensed water recovery pump (21) is arranged on the condensed water recovery pipe (22) close to the condensed water tank (20).
4. The energy-saving and environment-friendly system for the oil field heating furnace according to claim 3, characterized in that: and a check valve (23) is arranged on the condensed water recovery pipe (22) at a position far away from the condensed water tank (20).
5. The energy-saving and environment-friendly system for the oil field heating furnace according to claim 4, characterized in that: a breathing pipe (24) is arranged on the condensed water tank (20).
6. The energy-saving and environment-friendly system for the oil field heating furnace according to claim 5, characterized in that: and a liquid level meter is arranged on the condensed water tank (20).
7. The energy-saving and environment-friendly system for the oil field heating furnace according to claim 2, characterized in that: an air intake valve (7) is arranged at the position, close to the air intake opening, of the air intake pipe (5), and an air return valve (6) is arranged on the air return pipe (4).
8. The energy-saving and environment-friendly system for the oil field heating furnace according to claim 2, characterized in that: a liquid taking valve (15) is arranged between the booster pump (13) and the liquid taking port; and a liquid return valve (14) is arranged on the liquid return pipe (11).
9. The energy-saving and environment-friendly system for the oil field heating furnace according to claim 2, characterized in that: and a damper door (2) is arranged between the air intake and the air return.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222512213.5U CN218001837U (en) | 2022-09-22 | 2022-09-22 | Energy-saving and environment-friendly system for oil field heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222512213.5U CN218001837U (en) | 2022-09-22 | 2022-09-22 | Energy-saving and environment-friendly system for oil field heating furnace |
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| Publication Number | Publication Date |
|---|---|
| CN218001837U true CN218001837U (en) | 2022-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222512213.5U Active CN218001837U (en) | 2022-09-22 | 2022-09-22 | Energy-saving and environment-friendly system for oil field heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218001837U (en) |
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2022
- 2022-09-22 CN CN202222512213.5U patent/CN218001837U/en active Active
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