CN212619338U

CN212619338U - Novel efficient heating furnace of fin tube type multi-medium heat exchanger and mixing and conveying pipeline thereof

Info

Publication number: CN212619338U
Application number: CN202021621468.XU
Authority: CN
Inventors: 苏国彬; 卢玉峰; 祖立业; 张继春; 胡长悦; 石海秋
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-02-26
Anticipated expiration: 2030-08-07

Abstract

The utility model relates to the field of heat exchangers, in particular to a novel fin tube type high-efficiency heating furnace of a multi-medium heat exchanger and a mixing and conveying pipeline thereof, the high-efficiency heating furnace of the multi-medium heat exchanger comprises a fixed seat, the upper end surface of the fixed seat is provided with a bottom plate, the top of the bottom plate is provided with a steam generator, the upper end surface of the fixed seat is provided with clamping plates at the positions of two sides of the steam generator, the top of the clamping plate is provided with a supporting rod, the top of the supporting rod is provided with a heat exchanger body, a steam conduit and a condensate water return pipe are arranged between the heat exchanger body and the steam generator, the head of the heat exchanger body is provided with a medium outlet and a medium inlet, the head of the heat exchanger body is provided with a heating inlet, the heat exchanger is more energy-saving and efficient.

Description

Novel efficient heating furnace of fin tube type multi-medium heat exchanger and mixing and conveying pipeline thereof

Technical Field

The utility model relates to a heat exchanger field, in particular to used high-efficient heating furnace of novel fin tubular multi-media heat exchanger such as defeated, outer defeated, heating of mixing of oil field and mix defeated pipeline thereof.

Background

The oil field in the alpine region is heated by a heating furnace so as to ensure the multi-medium heat exchange requirements of single-well hot water mixing and conveying, crude oil outward conveying and heating, production facility heating and the like in the crude oil production process. The furnace efficiency of the cylinder type and coil type heating furnace adopted in the initial oil field is low and the energy consumption is high. At present, the furnace efficiency of the phase-change vacuum furnace is greatly improved, and the energy consumption is also reduced, but the heat exchanger of the phase-change vacuum furnace is mostly made of tubular or plate materials, and the heat exchange efficiency is not ideal.

The heat exchange area enthalpy of the existing heating furnace is low because a light pipe is used as a heat exchanger material of the phase-change vacuum furnace, so that the heat obtained in the heat exchange process of a heat exchange medium is small, the heating speed is low, and the heat application efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a novel high-efficient heating furnace of fin tubular multi-medium heat exchanger and mix defeated pipeline thereof, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a novel high-efficiency heating furnace of a fin tube type multi-medium heat exchanger comprises a fixing base, wherein a bottom plate is arranged on the upper end face of the fixing base, a steam generator is arranged on the top of the bottom plate, clamping plates are arranged on the upper end face of the fixing base and on two sides of the steam generator, a supporting plate is arranged on the top of the clamping plates, a supporting rod is arranged on the upper end face of the supporting plate, a heat exchanger body is arranged on the top of the supporting rod, a steam guide tube and a condensate water return tube are arranged between the heat exchanger body and the steam generator, a medium outlet and a medium inlet are formed in the head of the heat exchanger body, the medium outlet is communicated with one end of a heat exchange finned tube arranged above the heat exchanger body, the medium inlet is communicated with one end of, the heating device is characterized in that a heating inlet is arranged at the position, corresponding to the medium inlet, of the head of the heat exchanger body, a heating outlet is arranged at the position, corresponding to the medium outlet, of the head of the heat exchanger body, and the heating inlet 27 and the heating outlet 28 are both connected with a mixing and conveying pipeline.

Preferably, a fixing groove is formed in the steam generator, a furnace pipe is arranged in the fixing groove, evaporation water is arranged at the bottom of the fixing groove and passes through the furnace pipe, a lower guide groove is formed in the top of the fixing groove corresponding to the position of the steam guide pipe, and a lower return groove is formed in the top of the fixing groove corresponding to the position of the condensate water return pipe.

Preferably, the heat exchanger is internally provided with a mounting groove, the bottom of the mounting groove is provided with an upper guide groove corresponding to the position of the steam guide pipe, the bottom of the mounting groove is provided with an upper return groove corresponding to the position of the condensate water return pipe, and the top of the heat exchanger body is provided with a safety valve pressure relief opening.

Preferably, the heating inlet is connected with the medium inlet through a pipeline, the heating inlet is communicated with the crude oil external input port through a first blending pipe, the first blending pipe is provided with a third valve and a fourth valve, and a blending input port is arranged on the first blending pipe between the third valve and the fourth valve.

Preferably, the heating outlet is connected with the medium outlet through a pipeline, the heating outlet is communicated with the crude oil output port through a second blending pipe, the second blending pipe is provided with a first valve and a second valve, and a blending outlet is arranged on the second blending pipe between the first valve and the second valve.

The utility model provides a novel defeated pipeline of mixing of fin tubular multi-media heat exchanger high efficiency heating furnace, with heating entry and heating exit linkage, the heating entry is through first defeated pipe of mixing and crude oil outer input port intercommunication, be provided with third valve and fourth valve on the first defeated pipe of mixing, and be provided with on the first defeated pipe of mixing between third valve and fourth valve and mix the input port, the heating export is mixed defeated pipe and crude oil outer output port intercommunication through the second, the second is mixed and is provided with first valve and second valve on the defeated pipe, and is provided with on the second of first valve and second valve and mixes the output port.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. energy saving

The natural gas can be saved by 62.5 cubes per hour, and one furnace can save 5.5 ten thousand cubes per year;

2. the temperature rise speed is high

The novel efficient heating furnace for the fin tube type multi-medium heat exchanger is put into operation, low-temperature medium enters the high-temperature finned tubes to absorb heat of the finned tubes, the temperature of the medium is 42-60 ℃, the temperature is advanced by 35 minutes compared with that of the traditional heating furnace for the old heat exchanger, and a very satisfactory expected effect is achieved.

3. The installation speed is high

Because the novel efficient heating furnace with the fin tube type multi-medium heat exchanger can replace and transform the old heat exchanger of the original heating furnace and can also be processed according to the original size of the old heat exchanger of the original heating furnace, the efficient heating furnace can be installed and operated within 40 hours under the condition that the technological process is not required to be changed.

4. Wide application range and strong practicability

The heat exchanger can be provided with three sets of fin heating coils according to the use requirement, and is provided with three heat exchange media for heating. The heat exchanger has a strong interchangeability, and the heat exchanger,

5. small size and large heat exchange area

Because of the fin heat exchange coil, the heat exchange area is increased under the same condition. The volume of the equipment is reduced by 10-20%, thus solving the space problem for replacing the original larger equipment. And the fins outside the coil pipe disturb the wrapped water vapor, so that the heat exchange is facilitated, and the heat efficiency of the heat exchanger is greatly improved.

Drawings

FIG. 1 is a front view of a novel efficient heating furnace of a finned tube type multi-medium heat exchanger of the present invention;

FIG. 2 is a front cross-sectional view of the novel efficient heating furnace of the finned tube type multi-medium heat exchanger of the present invention;

fig. 3 is the schematic view of the main valve of the heat exchanger of the novel high-efficiency heating furnace of the fin tube type multi-medium heat exchanger.

In the figure: 1. a fixed seat; 2. a base plate; 3. a steam generator; 4. a splint; 5. a support plate; 6. a support bar; 7. a heat exchanger body; 8. a safety valve relief port; 9. a steam conduit; 10. a condensed water return pipe; 11. a media outlet; 12. a media inlet; 13. fixing grooves; 14. a furnace pipe; 15. evaporating the water; 16. a lower guide groove; 17. a lower reflux tank; 18. mounting grooves; 19. a media conduit; 20. a heat exchange finned tube; 21. an upper guide groove; 22. an upper reflux groove; 23. a first valve; 24. a second valve; 25. a third valve; 26. a fourth valve; 27. a heating inlet; 28. a heating outlet; 29. a crude oil external input port; 30. a dosing port; 31. an output port for crude oil; 32. and a mixing outlet.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. 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 invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 invention can be understood in specific cases to those skilled in the art.

Example one

The embodiment is an embodiment of a novel efficient heating furnace of a fin tube type multi-medium heat exchanger.

As shown in fig. 1-3, the heat exchanger comprises a fixed seat 1, a bottom plate 2 is arranged on the upper end surface of the fixed seat 1, a steam generator 3 is arranged on the top of the bottom plate 2, clamping plates 4 are arranged on the two sides of the steam generator 3 on the upper end surface of the fixed seat 1, a supporting plate 5 is arranged on the top of the clamping plate 4, a supporting rod 6 is arranged on the upper end surface of the supporting plate 5, a heat exchanger body 7 is arranged on the top of the supporting rod 6, a steam conduit 9 and a condensate water return pipe 10 are arranged between the heat exchanger body 7 and the steam generator 3, a medium outlet 11 and a medium inlet 12 are arranged on the head of the heat exchanger body 7, the medium outlet 11 is communicated with one end of a heat exchange finned tube 20 arranged above the heat exchanger body 7, the medium inlet 12 is communicated with one end of, a heating inlet 27 is arranged at the head of the heat exchanger body 7 corresponding to the position of the medium inlet 12, a heating outlet 28 is arranged at the head of the heat exchanger body 7 corresponding to the position of the medium outlet 11, and the heating inlet 27 and the heating outlet 28 are both connected with the mixing and conveying pipeline.

In this embodiment, in order to improve the evaporation efficiency, a fixing groove 13 is provided in the steam generator 3, a furnace pipe 14 is provided in the fixing groove 13, evaporation water 15 is provided at the bottom of the fixing groove 13, the evaporation water 15 is submerged in the furnace pipe 14, a lower guide groove 16 is provided at the top of the fixing groove 13 corresponding to the position of the steam guide pipe 9, and a lower return groove 17 is provided at the top of the fixing groove 13 corresponding to the position of the condensate water return pipe 10;

in the embodiment, in order to increase the heat exchange area, a mounting groove 18 is arranged in the heat exchanger body 7, an upper guide groove 21 is arranged at the bottom of the mounting groove 18 corresponding to the position of the steam conduit 9, an upper return groove 22 is arranged at the bottom of the mounting groove 18 corresponding to the position of the condensate water return pipe 10, and a safety valve pressure relief opening 8 is arranged at the top of the heat exchanger body 7;

in this embodiment, the heating inlet 27 is connected to the medium inlet 12 through a pipe, the heating inlet 27 is communicated with the crude oil external input port 29 through a first blending pipe, the first blending pipe is provided with a third valve 25 and a fourth valve 26, and a blending input port 30 is provided on the first blending pipe between the third valve 25 and the fourth valve 26;

in addition, the heating outlet 28 is connected to the medium outlet 11 through a pipe, the heating outlet 28 is communicated with the crude oil outlet 31 through a second blending pipe, the second blending pipe is provided with a first valve 23 and a second valve 24, and a blending outlet 32 is provided on the second blending pipe between the first valve 23 and the second valve 24.

It should be noted that, the utility model relates to a novel high-efficient heating furnace of fin tubular multi-media heat exchanger, when the in-service use, the energy that energy supply material produced after burning in the furnace pipe 14 is absorbed by evaporation water 15, evaporation water 15 temperature itself risees, the evaporation aggravates, the steam of production can enter into inside heat exchanger body 7 through steam pipe 9, high-temperature steam can heat the heat transfer finned tube 20 in the heat exchanger body 7, open the exit valve of medium this moment, low temperature medium enters into inside the high temperature heat transfer finned tube 20, absorb the heat of heat transfer finned tube 20, improve the medium temperature; at the moment, because the steam heat is exchanged into the medium, the heat loss of the steam heat is reduced, the temperature is reduced, the steam is condensed into water, and the water flows back into the steam generator 3 through the condensed water return pipe 10 under the action of gravity to participate in the next heat exchange process.

Compared with a light pipe, the heat exchange finned tube 20 has the advantages of large heat exchange area, small volume, lower heat loss and energy conservation, and the temperature is higher than that of a heat exchanger with the same power. Because the fin of the outer wall of the tube disturbs the inherent evaporation form of the steam, the steam is better and tightly contacted with the tube wall, the heat exchange is more sufficient, and the effective utilization rate of energy is higher.

The heat transfer area of the heat exchange finned tube 20 can be increased by 2-10 times compared with that of a light tube, the heat transfer coefficient can be increased by 1-2 times compared with that of the light tube, and because the heat transfer capacity is enhanced and the heat transfer surface per unit area is increased, the number of tubes can be reduced compared with that of the light tube when the same heat load is completed, the equipment structure is compact, the metal consumption is reduced, the material of the fin can be different from that of a base tube, so that the material selection and the utilization are more reasonable, the material of the fin is determined according to the use environment and the manufacturing process, and the lamp comprises carbon steel, stainless steel, aluminum alloy. The finned tube can reduce the average temperature difference between the medium and the wall surface, reduce scaling, and make the formed hard scale fall off automatically under the expansion and contraction action of the fin.

After the heating inlet 27 and the heating outlet 28 are plugged by the blind plates, the second valve 24 and the third valve 25 are opened, and the heating coil can be merged into the mixing and conveying pipeline, so that the heat exchange area is increased, and the mixing and conveying outlet temperature is increased.

After the crude oil external input port 29 and the crude oil external output port 31 are plugged by the blind plates, the first valve 23 and the fourth valve 26 are opened, and the external output coil can be merged into the blending pipeline, so that the heat exchange area is increased, and the blending output port temperature is increased.

After the crude oil external input port 29, the crude oil external output port 31, the heating inlet 27 and the heating outlet 28 are plugged by the blind plates, the first valve 23, the second valve 24, the third valve 25 and the fourth valve 26 are opened, and the heating external output coil can be merged into the mixing and transmission pipeline, so that the heat exchange area is increased, and the mixing and transmission outlet temperature is increased.

While also performing switching heating of other media.

In the embodiment, the novel efficient heating furnace of the fin tube type multi-medium heat exchanger adopts a thick-wall tube high-temperature extrusion molding process, is integrated with other welded fin tubes, is not split after being used, has the advantages of high heat exchange speed and large heat exchange area under the same volume, and the highest allowable working pressure of the furnace body is 0.09 MPa; the rated thermal load is 3000 KW; the heated medium is oily sewage, crude oil and heating water; carrying out dry top-bottom-up cultivation under the conditions of medium rated flow rate of 60-70m, 20-30m and 15-25m respectively; the medium inlet temperatures were 35, 40 and 60 degrees, respectively; the medium outlet temperatures were 55, 60 and 80 degrees, respectively; the design pressure of the tube side is 2.5 MPa; the tube side pressure is reduced by 0.1-0.15 MPa;

the system of the heat exchanger is divided into: the highest pipeline pressure of the mixing pipeline, the crude oil output pipeline and the heating pipeline is 2.5MPa, and the positions of an inlet and an outlet and the connection sizes of different processes are distinguished when the pipelines are connected. Meanwhile, different flows can be communicated with each other through a valve, the heat exchange area of the original coil can be increased after the different flows are communicated with each other, so that the outlet temperature of the medium is increased, and if the outlet temperature of the original medium can meet the production requirement, the traffic valve is not required to be opened. If the connecting valve between the heating room and the mixing room is opened, the original heating pipeline is recommended to be cleaned by hot water.

By adopting the heat exchanger, the natural gas can be saved at 150m for every 24 hours, the heating furnace is operated continuously for 24 hours, the heater can save the natural gas at (100-.

By adopting the heat exchanger, the temperature of the whole circulating system is stable from the time of opening the valve to the time of less than 20 minutes on the day of putting into production and using, the time is more than half an hour ahead of the traditional old heat exchanger, and the staff who use the heat exchanger shows very satisfaction. Therefore, the trouble of stopping and opening the well for each well group is avoided particularly in winter. And the crude oil yield in the team is not influenced. But also reduces the labor intensity of the front-line workers.

The heat exchanger has three sets of heating coils, has three purposes of heating, outward transportation and mixed transportation, and can be used in parallel or independently. Another advantage is the strong interchangeability of this heat exchanger with other heat exchangers.

Example two

The embodiment is an embodiment of a mixing and conveying pipeline of a novel efficient heating furnace of a fin-tube type multi-medium heat exchanger.

Referring to fig. 3, the blending pipeline is connected to a heating inlet 27 and a heating outlet 28, the heating inlet 27 is communicated with a crude oil external input port 29 through a first blending pipe, the first blending pipe is provided with a third valve 25 and a fourth valve 26, a blending input port 30 is provided on the first blending pipe between the third valve 25 and the fourth valve 26, the heating outlet 28 is communicated with a crude oil external output port 31 through a second blending pipe, the second blending pipe is provided with a first valve 23 and a second valve 24, and a blending output port 32 is provided on the second blending pipe between the first valve 23 and the second valve 24.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel high-efficient heating furnace of fin tubular multi-media heat exchanger which characterized in that: comprises a fixed seat (1), a bottom plate (2) is arranged on the upper end face of the fixed seat (1), a steam generator (3) is arranged on the top of the bottom plate (2), clamping plates (4) are arranged on the upper end face of the fixed seat (1) and positioned on two sides of the steam generator (3), a supporting plate (5) is arranged on the top of the clamping plate (4), a supporting rod (6) is arranged on the upper end face of the supporting plate (5), a heat exchanger body (7) is arranged on the top of the supporting rod (6), a steam conduit (9) and a condensate water return pipe (10) are arranged between the heat exchanger body (7) and the steam generator (3), a medium outlet (11) and a medium inlet (12) are arranged at the head of the heat exchanger body (7), the medium outlet (11) is communicated with one end of a heat exchange finned tube (20) arranged above the inside of the heat exchanger body (7), and the medium inlet (12, the other end of the heat exchange finned tube (20) above is communicated with the other end of the heat exchange finned tube (20) below through a medium conduit (19), a heating inlet (27) is arranged at the position, corresponding to the medium inlet (12), of the head of the heat exchanger body (7), a heating outlet (28) is arranged at the position, corresponding to the medium outlet (11), of the head of the heat exchanger body (7), and the heating inlet (27) and the heating outlet (28) are both connected with a mixing and conveying pipeline.

2. The high-efficiency heating furnace of the novel finned tube type multi-medium heat exchanger as claimed in claim 1, wherein: the steam generator is characterized in that a fixing groove (13) is formed in the steam generator (3), a furnace pipe (14) is arranged in the fixing groove (13), evaporation water (15) is arranged at the bottom of the fixing groove (13), the evaporation water (15) submerges the furnace pipe (14), a lower guide groove (16) is arranged at the top of the fixing groove (13) corresponding to the position of the steam guide pipe (9), and a lower return groove (17) is arranged at the top of the fixing groove (13) corresponding to the position of the condensed water return pipe (10).

3. The high-efficiency heating furnace of the novel finned tube type multi-medium heat exchanger as claimed in claim 1, wherein: the steam heat exchanger is characterized in that a mounting groove (18) is formed in the heat exchanger body (7), an upper guide groove (21) is formed in the bottom of the mounting groove (18) corresponding to the position of the steam guide pipe (9), an upper return groove (22) is formed in the bottom of the mounting groove (18) corresponding to the position of the condensate water return pipe (10), and a safety valve pressure relief opening (8) is formed in the top of the heat exchanger body (7).

4. The high-efficiency heating furnace of the novel finned tube type multi-medium heat exchanger as claimed in claim 1, wherein: the heating inlet (27) is connected with the medium inlet (12) through a pipeline, the heating inlet (27) is communicated with a crude oil external input port (29) through a first mixing and conveying pipe, a third valve (25) and a fourth valve (26) are arranged on the first mixing and conveying pipe, and a mixing and inputting port (30) is arranged on the first mixing and conveying pipe between the third valve (25) and the fourth valve (26).

5. The high-efficiency heating furnace of the novel finned tube type multi-medium heat exchanger as claimed in claim 1, wherein: the heating outlet (28) is connected with the medium outlet (11) through a pipeline, the heating outlet (28) is communicated with the crude oil output port (31) through a second mixing and conveying pipe, the second mixing and conveying pipe is provided with a first valve (23) and a second valve (24), and a mixing and conveying outlet (32) is formed in the second mixing and conveying pipe between the first valve (23) and the second valve (24).

6. The utility model provides a novel mixing pipeline of high-efficient heating furnace of fin tubular multi-media heat exchanger which characterized in that is connected with heating entry (27) and heating export (28), heating entry (27) are through first mixing defeated pipe and crude oil outer input port (29) intercommunication, be provided with third valve (25) and fourth valve (26) on the first mixing defeated pipe, and be provided with on the first mixing defeated pipe between third valve (25) and fourth valve (26) and mix input port (30), heating export (28) are through second mixing defeated pipe and crude oil outer output port (31) intercommunication, be provided with first valve (23) and second valve (24) on the second mixing defeated pipe, and be provided with on the second mixing defeated pipe between first valve (23) and second valve (24) and mix delivery port (32).