CN115682770A - Combined type heat exchange device and method - Google Patents
Combined type heat exchange device and method Download PDFInfo
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- CN115682770A CN115682770A CN202211587678.5A CN202211587678A CN115682770A CN 115682770 A CN115682770 A CN 115682770A CN 202211587678 A CN202211587678 A CN 202211587678A CN 115682770 A CN115682770 A CN 115682770A
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Abstract
The invention relates to a composite heat exchange device and a method. The technical scheme is as follows: outer barrel and interior barrel are installed on the upper portion of bottom plate seat, interior barrel suit is at the inner chamber of outer barrel, the upper cover is installed at the top of outer barrel and interior barrel, the annular space that forms between interior barrel and the outer barrel is solar hot water circulating water tank, the airtight space that interior barrel and upper cover and bottom plate seat formed is air source hot water circulating water tank, it includes the multilayer to walk the oil coil, outer oil coil of walking is located solar hot water circulating water tank, the oil coil of walking of inlayer sets up in air source hot water circulating water tank, and the oil coil series connection of walking of skin and inlayer. The beneficial effects are that: according to the invention, a plurality of heat sources under different working conditions are combined on one heat exchanger, so that the field is saved, the process flow is simplified, the prying block structure is more compact, and the heat exchanger is agglomerated and heated, so that the energy is saved; in addition, compared with a tube type, the adopted oil-passing coil pipe can be distributed with more coil pipes, the heat exchange area is larger, and the heat efficiency is higher.
Description
Technical Field
The invention relates to a crude oil heating viscosity reduction device, in particular to a combined type heat exchange device and a method.
Background
In the process of oil and gas field exploitation, the crude oil produced by exploitation is generally required to be heated so as to meet the requirements of oil and gas gathering and transportation process and processing process in cold regions. At present, crude oil produced by exploitation is generally heated by a heating furnace, the heating furnace provides heat energy by burning the crude oil or natural gas or electric energy, however, smoke generated by burning the crude oil or natural gas by the heating furnace cannot reach the emission standard, the environment is easily polluted, and the energy consumption of pure electric heating is high, so that the oil exploitation cost is increased. In order to respond to the national policy call of energy conservation, environmental protection and low carbon, green energy sources (photo-thermal, air source heat pump, heat storage and the like) are vigorously developed in oil fields, and a new energy complex of multi-energy complementation is created. However, because the working conditions and temperatures of the heat source flow are different, and the heat source circulating medium cannot be mixed, the heat exchange systems are independent, so that the same crude oil pipeline is heated, and a plurality of heat sources are arranged, so that a plurality of heat exchangers are required to be installed. Not only the floor area is large, the pipeline valve is connected complicatedly, the prying block is assembled with great difficulty, but also the heat loss is great.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a combined type heat exchange device and a combined type heat exchange method.
The invention provides a first composite heat exchange device, which adopts the technical scheme that: the solar energy hot water circulating water tank comprises a bottom plate seat (1), an upper seal head (2), an inner cylinder (3), an outer cylinder (4), an oil feeding coil pipe (5), a crude oil inlet (6), a crude oil outlet (7), a solar hot water inlet pipe (8), an air source hot water inlet pipe (9), a solar hot water outlet pipe (15) and an air source hot water outlet pipe (16), wherein the outer cylinder (4) and the inner cylinder (3) are fixedly installed on the upper portion of the bottom plate seat (1), the inner cylinder (3) is sleeved in an inner cavity of the outer cylinder (4), the upper seal head (2) is installed at the tops of the outer cylinder (4) and the inner cylinder (3), an annular space formed between the inner cylinder (3) and the outer cylinder (4) is a solar hot water circulating water tank, the solar hot water inlet pipe (8) is installed on the upper side of the outer cylinder (4), the solar hot water outlet pipe (15) is installed on the lower side of the outer cylinder (4), a closed space formed by the inner cylinder (3), the upper seal head (2) and the bottom plate seat (1) is a hot water circulating water tank, the upper portion of the inner cylinder (3) is provided with the air source (16); the oil feeding coil pipe (5) comprises a plurality of layers, the outer layer oil feeding coil pipe is located in a solar hot water circulating water tank, the inner layer oil feeding coil pipe is arranged in an air source hot water circulating water tank, the outer layer oil feeding coil pipe and the inner layer oil feeding coil pipe are connected in series, a crude oil inlet (6) is located on the lower side of the outer cylinder body (4), and a crude oil outlet (7) is located on the upper side of the outer cylinder body (4).
Preferably, the inner cylinder body (3) can be set to be multi-layer, and an independent heat exchange water tank is arranged between adjacent cylinder bodies so as to meet the heat exchange requirements of heat sources under more than two different working conditions.
Preferably, the diameters of the inner cylinder (3) and the outer cylinder (4) are set according to requirements, and a vertical structure is adopted; the oil feeding coil pipe (5) can be set into a plurality of layers according to the requirement.
Preferably, the upper end enclosure (2) can be a flat plate type or an elliptical type, an electric heating port (11) and an exhaust port (13) are arranged on the upper end enclosure (2), a liquid level meter port (10) and an upper water inlet (14) are arranged at the middle upper part of the outer cylinder body (4), and a sewage discharge port (12) is arranged at the lower part of the outer cylinder body (4).
The second composite heat exchange device provided by the invention has the technical scheme that: comprises a left seal head (2.1), a right seal head (2.2), an inner cylinder body (3), an outer cylinder body (4), an oil-feeding coil pipe (5), a crude oil inlet (6), a crude oil outlet (7), a solar hot water inlet pipe (8), an air source hot water inlet pipe (9), a solar hot water outlet pipe (15), an air source hot water outlet pipe (16) and a pommel horse base (17), the upper part of the pommel horse base (17) is provided with an outer cylinder body (4) with a horizontal structure, an inner cylinder body (3) with the horizontal structure is sleeved in the inner cavity of the outer cylinder body (4) with the horizontal structure, the left end of the outer cylinder (4) and the left end of the inner cylinder (3) are provided with a left end socket (2.1), the right end of the outer cylinder is provided with a right end socket (2.2), an annular space formed among the inner cylinder (3), the outer cylinder (4), the left end enclosure (2.1) and the right end enclosure (2.2) is a solar hot water circulating water tank, a solar hot water inlet pipe (8) is arranged on the upper side of the right end enclosure (2.2), a solar hot water outlet pipe (15) is arranged at the lower side of the left seal head (2.1), the inner cylinder (3), the left sealing head (2.1) and the right sealing head (2.2) form a closed space which is an air source hot water circulation water tank, an air source hot water inlet pipe (9) is arranged at the upper part of the right seal head (2.2), and an air source hot water outlet pipe (16) is arranged at the lower side of the left seal head (2.1); the oil feeding coil (5) comprises a plurality of layers, the outer layer oil feeding coil is located in the solar hot water circulating water tank, the inner layer oil feeding coil is arranged in the air source hot water circulating water tank, the outer layer oil feeding coil and the inner layer oil feeding coil are connected in series, the crude oil inlet (6) is located on one side of the outer barrel body (4), and the crude oil outlet (7) is located on the other side of the outer barrel body (4).
Preferably, the inner cylinder body (3) can be set to be multi-layer, and an independent heat exchange water tank is arranged between adjacent cylinder bodies so as to meet the heat exchange requirements of heat sources under more than two different working conditions.
Preferably, the diameters of the inner cylinder (3) and the outer cylinder (4) are set according to requirements, and the oil-feeding coil pipe (5) can be set into multiple layers according to requirements.
Preferably, the left end enclosure (2.1) and the right end enclosure (2.2) can be flat plates or elliptic, the top of the outer cylinder (4) is provided with an exhaust port (13) and an upper water inlet (14), the middle upper part of the outer cylinder (4) is provided with a liquid level meter port (10), the lower part of the outer cylinder (4) is provided with a sewage outlet (12), and the outer side of the left end enclosure (2.1) or the right end enclosure (2.2) is provided with an electric heating port (11).
The use method of the composite heat exchange device comprises the following steps:
(1) 3-stage independent heating systems are provided: solar energy, an air source and electric heating, wherein when solar irradiation is strong in the daytime, solar hot water circularly heats the oil-feeding coil pipe; when the solar radiation is weak or at night, the air source hot water is circularly supplemented and heated, so that the production heating requirement is met; the electric heating is used for digesting and adjusting wind, light, green and valley electricity or emergency maintenance for later use;
(2) The inner cavities of the inner cylinder and the outer cylinder are heat storage and return tanks of a solar energy and air source circulating system and are heating heat exchangers of an oil feeding coil pipe;
(3) The oil-feeding coil pipe firstly enters the solar hot water circulating water tank and then goes out from the top of the air source hot water circulating water tank to complete the heat exchange process; therefore, the oil-feeding coil pipe can absorb the solar heat to the maximum extent in advance, and the subsequent air source heat pump is not started or is started less; if the outlet temperature of the oil feeding coil is lower than the set value, starting the air source heat pump to generate high-temperature hot water to supplement heat; when the temperature of the outlet of the oil-feeding coil pipe exceeds the upper limit of a set value, the air source heating system is stopped, and the process is repeated in this way, solar energy and air energy are fully utilized, and the purpose of heating the well to produce crude oil is achieved;
(4) At cold night, solar hot water stops completely, then interior barrel and outer barrel hold a group and get warm, and each other complements: the solar hot water circulation water tank on the outer side can play a role in heat preservation for the air source hot water circulation water tank of the inner barrel; meanwhile, the air source hot water circulation water tank can ensure that the temperature of the solar hot water circulation water tank on the outer side is not too low, so that the oil-running coil pipe in the outer cylinder is kept at a certain temperature, and the influence on the yield of crude oil caused by the increased low-temperature flow resistance is avoided.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, a plurality of heat sources under different working conditions are combined on one heat exchanger, so that the field is saved, the process flow is simplified, the prying block structure is more compact, the water return tank and the heat exchanger are integrated, the heating is carried out in a lump, and the energy is saved; in addition, the adopted oil-running coil pipe is of a spiral-disk circular structure, and under the same volume, more coil pipes can be distributed compared with a shell and tube type coil pipe, so that the heat exchange area is larger, the volume is smaller, the connection basically has no elbow, the flow resistance is small, the heat exchange is better, and the heat efficiency is higher;
in addition, the inner cylinder and the outer cylinder of the invention are used for holding the ball for heating and are complementary to each other: the solar hot water circulation water tank on the outer side can play a role in heat preservation for the air source hot water circulation water tank of the inner barrel; simultaneously air source hot-water circulation water tank can guarantee again that the solar hot-water circulation water tank temperature in the outside is unlikely excessively to keep the internal oil pipe coil that walks of urceolus at the uniform temperature, avoid low temperature flow resistance grow, influence crude oil output.
Drawings
FIG. 1 is a schematic view of a vertical structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the vertical structure of the present invention rotated 90 degrees in the top view
FIG. 3 is a schematic front profile view of the vertical structure of the present invention;
FIG. 4 is a schematic top view of the vertical structure of the present invention rotated 90 degrees;
FIG. 5 is a schematic view of a horizontal configuration of the present invention;
FIG. 6 is a side view schematic of the horizontal configuration of the present invention;
FIG. 7 is a schematic external view of the horizontal configuration of the present invention;
FIG. 8 is a schematic view of the horizontal configuration of the present invention in the A-direction;
FIG. 9 is a schematic view of the horizontal configuration of the present invention in the B-direction;
in the upper diagram: the device comprises a bottom plate seat 1, an upper seal head 2, an inner cylinder 3, an outer cylinder 4, an oil-running coil pipe 5, a crude oil inlet 6, a crude oil outlet 7, a solar hot water outlet pipe 15, an air source hot water outlet pipe 16, a liquid level meter port 10, an electric heating port 11, a sewage outlet 12, an exhaust port 13, a water feeding port 14, a solar hot water inlet pipe 8, an air source hot water inlet pipe 9, a pommel base 17, a base plate 18, a left seal head 2.1 and a right seal head 2.2.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Preferably, the inner cylinder 3 can be set to be multi-layer, and an independent heat exchange water tank is arranged between adjacent cylinders, so that the heat exchange requirements of heat sources under more than two different working conditions are met.
Preferably, the diameters of the inner cylinder 3 and the outer cylinder 4 are set according to requirements, and a vertical structure is adopted; the oil-feeding coil pipe 5 can be set into a plurality of layers according to the requirement.
Preferably, the upper end enclosure 2 can be a flat plate type or an oval type, the upper end enclosure 2 is provided with an electric heating port 11 and an exhaust port 13, the middle upper part of the outer cylinder 4 is provided with a liquid level meter port 10 and a water feeding port 14, and the lower part of the outer cylinder 4 is provided with a sewage discharge port 12.
The use method of the composite heat exchange device comprises the following steps:
(1) 3-stage independent heating systems are provided: solar energy, an air source and electric heating, wherein when solar irradiation is strong in the daytime, solar hot water circularly heats the oil-feeding coil pipe; when the solar radiation is weak or at night, the air source hot water is circularly supplemented and heated, so that the production heating requirement is met; the electric heating is used for digesting and adjusting wind, light, green and valley electricity or emergency maintenance for later use;
(2) The inner cavities of the inner cylinder and the outer cylinder are heat storage and return tanks of a solar energy and air source circulating system and are heating heat exchangers of an oil feeding coil pipe;
(3) The oil-feeding coil pipe firstly enters the solar hot water circulating water tank and then goes out from the top of the air source hot water circulating water tank to complete the heat exchange process; therefore, the oil-feeding coil pipe can absorb the solar heat to the maximum extent in advance, and the subsequent air source heat pump is not started or is started less; if the outlet temperature of the oil feeding coil is lower than the set value, starting the air source heat pump to generate high-temperature hot water to supplement heat; when the temperature of the outlet of the oil-feeding coil pipe exceeds the upper limit of a set value, the air source heating system is stopped, and the process is repeated in this way, solar energy and air energy are fully utilized, and the purpose of heating the well to produce crude oil is achieved;
(4) At cold night, solar hot water stops completely, then interior barrel and outer barrel hold a group and get warm, and each other complements: the solar hot water circulation water tank on the outer side can play a role in heat preservation for the air source hot water circulation water tank of the inner barrel; meanwhile, the air source hot water circulation water tank can ensure that the temperature of the solar hot water circulation water tank on the outer side is not too low, so that the oil-running coil pipe in the outer cylinder is kept at a certain temperature, and the influence on the yield of crude oil caused by the increased low-temperature flow resistance is avoided.
Wherein, the foretell interior barrel 3 can set for the multilayer, is independent heat transfer water tank between the adjacent barrel to satisfy the heat transfer demand of the different operating mode heat sources more than two kinds.
The diameters of the inner cylinder 3 and the outer cylinder 4 are set according to requirements, and the oil-feeding coil pipe 5 can be set into multiple layers according to requirements.
The left end enclosure 2.1 and the right end enclosure 2.2 can be flat plates or elliptical, the top of the outer cylinder 4 is provided with an exhaust port 13 and an upper water port 14, the middle upper part of the outer cylinder 4 is provided with a liquid level meter port 10, the lower part of the outer cylinder 4 is provided with a sewage discharge port 12, and the outer side of the left end enclosure 2.1 or the right end enclosure 2.2 is provided with an electric heating port 11.
The above description is only a few of the preferred embodiments of the present invention, and any person skilled in the art may modify the above-described embodiments or modify them into equivalent ones. Therefore, the technical solution according to the present invention is subject to corresponding simple modifications or equivalent changes, as far as the scope of the present invention is claimed.
Claims (9)
1. A combined type heat exchange device is characterized in that: the solar energy hot water circulating water tank comprises a bottom plate seat (1), an upper seal head (2), an inner cylinder (3), an outer cylinder (4), an oil feeding coil pipe (5), a crude oil inlet (6), a crude oil outlet (7), a solar hot water inlet pipe (8), an air source hot water inlet pipe (9), a solar hot water outlet pipe (15) and an air source hot water outlet pipe (16), wherein the outer cylinder (4) and the inner cylinder (3) are fixedly installed on the upper portion of the bottom plate seat (1), the inner cylinder (3) is sleeved in an inner cavity of the outer cylinder (4), the upper seal head (2) is installed at the tops of the outer cylinder (4) and the inner cylinder (3), an annular space formed between the inner cylinder (3) and the outer cylinder (4) is a solar hot water circulating water tank, the solar hot water inlet pipe (8) is installed on the upper side of the outer cylinder (4), the solar hot water outlet pipe (15) is installed on the lower side of the outer cylinder (4), a closed space formed by the inner cylinder (3), the upper seal head (2) and the bottom plate seat (1) is a hot water circulating water tank, the upper portion of the inner cylinder (3) is provided with the air source (16); the oil feeding coil pipe (5) comprises a plurality of layers, the outer layer oil feeding coil pipe is located in a solar hot water circulating water tank, the inner layer oil feeding coil pipe is arranged in an air source hot water circulating water tank, the outer layer oil feeding coil pipe and the inner layer oil feeding coil pipe are connected in series, a crude oil inlet (6) is located on the lower side of the outer cylinder body (4), and a crude oil outlet (7) is located on the upper side of the outer cylinder body (4).
2. The composite heat exchange device of claim 1, wherein: the inner cylinder body (3) can be set to be multilayer, and an independent heat exchange water tank is arranged between adjacent cylinder bodies so as to meet the heat exchange requirements of heat sources under more than two different working conditions.
3. The composite heat exchange device of claim 2, wherein: the diameters of the inner cylinder (3) and the outer cylinder (4) are set according to requirements, and a vertical structure is adopted; the oil-feeding coil pipe (5) can be set into a plurality of layers according to the requirement.
4. The composite heat exchange device of claim 3, wherein: the upper end enclosure (2) can be flat plate type or elliptic type, an electric heating port (11) and an exhaust port (13) are arranged on the upper end enclosure (2), a liquid level meter port (10) and an upper water gap (14) are arranged at the middle upper part of the outer cylinder body (4), and a sewage draining port (12) is arranged at the lower part of the outer cylinder body (4).
5. A combined type heat exchange device is characterized in that: comprises a left seal head (2.1), a right seal head (2.2), an inner cylinder body (3), an outer cylinder body (4), an oil-feeding coil pipe (5), a crude oil inlet (6), a crude oil outlet (7), a solar hot water inlet pipe (8), an air source hot water inlet pipe (9), a solar hot water outlet pipe (15), an air source hot water outlet pipe (16) and a pommel horse base (17), the upper part of the pommel horse base (17) is provided with an outer cylinder body (4) with a horizontal structure, an inner cylinder body (3) with the horizontal structure is sleeved in the inner cavity of the outer cylinder body (4) with the horizontal structure, the left end of the outer cylinder (4) and the left end of the inner cylinder (3) are provided with a left end socket (2.1), the right end of the outer cylinder is provided with a right end socket (2.2), an annular space formed among the inner cylinder (3), the outer cylinder (4), the left end enclosure (2.1) and the right end enclosure (2.2) is a solar hot water circulating water tank, a solar hot water inlet pipe (8) is arranged on the upper side of the right end enclosure (2.2), a solar hot water outlet pipe (15) is arranged at the lower side of the left seal head (2.1), the inner cylinder (3), the left sealing head (2.1) and the right sealing head (2.2) form a closed space which is an air source hot water circulation water tank, an air source hot water inlet pipe (9) is arranged at the upper part of the right seal head (2.2), and an air source hot water outlet pipe (16) is arranged at the lower side of the left seal head (2.1); the oil feeding coil pipe (5) comprises a plurality of layers, the outer layer oil feeding coil pipe is positioned in a solar hot water circulating water tank, the inner layer oil feeding coil pipe is arranged in an air source hot water circulating water tank, the outer layer oil feeding coil pipe and the inner layer oil feeding coil pipe are connected in series, a crude oil inlet (6) is positioned on one side of the outer cylinder body (4), and a crude oil outlet (7) is positioned on the other side of the outer cylinder body (4).
6. The composite heat exchange device of claim 5, wherein: the inner cylinder body (3) can be set to be multilayer, and an independent heat exchange water tank is arranged between adjacent cylinder bodies so as to meet the heat exchange requirements of heat sources under more than two different working conditions.
7. The composite heat exchange device of claim 5, wherein: the diameter of the inner cylinder (3) and the diameter of the outer cylinder (4) are set according to needs, and the oil-feeding coil pipe (5) can be set into multiple layers according to needs.
8. The composite heat exchange device of claim 5, wherein: left head (2.1) and right head (2.2) can be flat or oval-type, and the top of outer barrel (4) is equipped with gas vent (13) and water inlet (14), be equipped with level gauge mouth (10) in the well upper portion of outer barrel (4), be equipped with drain (12) in the lower part of outer barrel (4), be equipped with electrical heating mouth (11) in the outside of left head (2.1) or right head (2.2).
9. The use method of the composite heat exchange device as claimed in claim 4, wherein: the method comprises the following steps:
(1) 3-stage independent heating systems are provided: solar energy, an air source and electric heating, wherein when solar irradiation is strong in the daytime, solar hot water circularly heats the oil-feeding coil pipe; when the solar radiation is weak or at night, the air source hot water is circularly supplemented and heated, so that the production heating requirement is met; the electric heating is used for digesting and adjusting wind, light, green and valley electricity or emergency maintenance for later use;
(2) The inner cavities of the inner cylinder and the outer cylinder are heat storage and return tanks of a solar energy and air source circulating system and are heating heat exchangers of an oil feeding coil pipe;
(3) The oil-feeding coil pipe firstly enters the solar hot water circulating water tank and then goes out from the top of the air source hot water circulating water tank to complete the heat exchange process; therefore, the oil-feeding coil pipe can absorb the solar heat to the maximum extent in advance, and the subsequent air source heat pump is not started or is started less; if the outlet temperature of the oil feeding coil is lower than the set value, starting the air source heat pump to generate high-temperature hot water to supplement heat; when the temperature of the outlet of the oil-feeding coil pipe exceeds the upper limit of a set value, the air source heating system is stopped, and the process is repeated in this way, solar energy and air energy are fully utilized, and the purpose of heating the well to produce crude oil is achieved;
(4) At cold night, solar hot water stops completely, then interior barrel and outer barrel hold a group and get warm, and each other complements: the solar hot water circulation water tank on the outer side can play a role in heat preservation for the air source hot water circulation water tank of the inner barrel; meanwhile, the air source hot water circulating water tank can ensure that the temperature of the solar hot water circulating water tank on the outer side is not too low, so that the temperature in the outer cylinder body is keptOil-feeding coil pipe In thatThe low-temperature flow resistance is prevented from being increased at a certain temperature, and the crude oil yield is prevented from being influenced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202211587678.5A CN115682770A (en) | 2022-12-12 | 2022-12-12 | Combined type heat exchange device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211587678.5A CN115682770A (en) | 2022-12-12 | 2022-12-12 | Combined type heat exchange device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117847781A (en) * | 2023-12-25 | 2024-04-09 | 东营市瑞兽节能设备有限公司 | Energy efficiency multiplied crude oil double-superposition heating device and method |
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2022
- 2022-12-12 CN CN202211587678.5A patent/CN115682770A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117847781A (en) * | 2023-12-25 | 2024-04-09 | 东营市瑞兽节能设备有限公司 | Energy efficiency multiplied crude oil double-superposition heating device and method |
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