CN211739029U - Waste heat steam injection boiler - Google Patents
Waste heat steam injection boiler Download PDFInfo
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- CN211739029U CN211739029U CN201922288592.2U CN201922288592U CN211739029U CN 211739029 U CN211739029 U CN 211739029U CN 201922288592 U CN201922288592 U CN 201922288592U CN 211739029 U CN211739029 U CN 211739029U
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Abstract
The utility model relates to a waste heat steam injection boiler. Including L shape furnace body, L shape furnace body includes the furnace body that the level set up and the furnace body of vertical setting, exhaust-heat boiler's flue export communicates with the furnace body entry that the level set up, the furnace body that the level set up is the changeover portion flue with the furnace body cross section of vertical setting, be equipped with evaporation zone tube bank and horizontal economize on coal section tube bank from the entry in proper order to changeover portion flue direction in the furnace body that the level set up, the changeover portion flue top is equipped with economize on coal section tube bank down in the furnace body of vertical setting, lower economize on coal section tube bank top is equipped with economize on coal section tube bank, the top of vertical setting furnace body is equipped with the chimney, the outside of L shape furnace body is equipped with the board room, be. The utility model discloses combine together exhaust-heat boiler and steam injection boiler, heat water through adopting high temperature flue gas, obtain pressure 14MPa, 75% vapor of quality at the evaporation zone tube bank at last.
Description
Technical Field
The utility model relates to a boiler especially relates to an utilize waste heat to carry out waste heat steam injection boiler that vaporizes.
Background
At present, the heavy oil exploitation mainly adopts an oil field steam injection boiler to produce high-temperature and high-pressure steam which is injected into an underground oil well, so that the formation pressure is increased, the viscosity of the heavy oil is reduced, the fluidity is increased, and then a mixture of crude oil and water is pumped out from the underground through a pumping unit.
Oil prices are continuously low at home and abroad, the crude oil exploitation cost is high, and the oil field is provided with a self-contained gas turbine power plant for reducing the cost. The high-temperature tail gas generated after the power generation of the gas turbine usually adopts a common waste heat boiler to generate industrial steam. The common industrial steam can not reach the technical parameters of thick oil exploitation, and the oil field has no industrial steam requirement, thereby causing serious waste.
Disclosure of Invention
In order to solve the technical problem the utility model provides a waste heat steam injection boiler, the purpose utilizes the heat of flue gas to heat the vaporization to water to steam can use in the oil recovery in oil field.
In order to achieve the purpose, the utility model discloses a waste heat steam injection boiler, including L-shaped furnace body, L-shaped furnace body includes the furnace body of level setting and the furnace body of vertical setting, the flue export of waste heat boiler communicates with the furnace body entry of level setting, the furnace body of level setting and the furnace body of vertical setting cross the department is the changeover portion flue, evaporation zone tube bank and horizontal economizer section tube bank have been equipped with in proper order from the entry to the changeover portion flue direction in the furnace body of level setting, lower economizer section tube bank is equipped with above the changeover portion flue in the furnace body of vertical setting, upper economizer section tube bank is equipped with above the lower economizer section tube bank, the top of vertical setting furnace body is equipped with the chimney, the outside of L-shaped furnace body is equipped with the board house, be equipped with the plunger pump in the board house, the plunger pump communicates with upper economizer section tube bank entry through the pipeline, upper economizer section tube bank export communicates with lower economizer section tube bank entry, lower economizer section tube bank export communicates with horizontal economizer section tube bank entry, the outlet of the horizontal coal-saving segment tube bundle is communicated with the inlet of the evaporation segment tube bundle, and the outlet of the evaporation segment tube bundle extends out of the furnace body which is horizontally arranged.
The inlet of the evaporation section tube bundle is arranged at the top of the tail end of the evaporation section tube bundle, and the outlet of the evaporation section tube bundle is arranged at the bottom of the tail end of the evaporation section tube bundle.
The evaporation section tube bundle is formed by horizontally reciprocating a single light pipe in multiple layers, and each layer is in a snake shape.
The inlet of the horizontal coal-saving segment tube bundle is arranged at the bottom of the tail end of the horizontal coal-saving segment tube bundle, and the outlet of the horizontal coal-saving segment tube bundle is arranged at the top of the tail end of the horizontal coal-saving segment tube bundle.
The horizontal coal-saving segment tube bundle is formed by horizontally reciprocating a single finned tube in multiple layers, and each layer is in a snake shape.
The lower coal-saving segment tube bundles are divided into two groups, the inlet of each group of lower coal-saving segment tube bundles is arranged at the top of the group of lower coal-saving segment tube bundles, and the outlet of each group of lower coal-saving segment tube bundles is arranged at the bottom of the group of lower coal-saving segment tube bundles.
The lower coal-saving segment tube bundle is formed by horizontally reciprocating a single finned tube in multiple layers, and each layer is in a snake shape.
The upper coal-saving segment tube bundles are divided into two groups, the inlet of each upper coal-saving segment tube bundle is arranged at the top of the upper coal-saving segment tube bundle, and the outlet of each upper coal-saving segment tube bundle is arranged at the bottom of the upper coal-saving segment tube bundle.
The upper coal-saving segment tube bundle is formed by horizontally reciprocating a single finned tube in multiple layers, and each layer is in a snake shape.
The furnace body inlet is conical.
The utility model has the advantages of effect: the utility model discloses combine together exhaust-heat boiler and steam injection boiler, heat water through adopting high temperature flue gas, obtain pressure 14MPa, 75% vapor of quality at the evaporation zone tube bank at last. Therefore, the problem of waste heat recovery of the tail gas of the gas turbine is solved, high-temperature and high-pressure steam necessary for exploiting the thick oil in the oil field is produced, and a new reliable and economical idea is provided for cogeneration in the oil field.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic view of the structure of a tube bundle of an evaporation section and a tube bundle of a horizontal coal-saving section.
FIG. 3 is a schematic view of a lower coal-saving segment tube bundle structure.
FIG. 4 is a schematic view of the structure of a tube bundle at the upper coal-saving section.
In the figure: 1. a furnace body arranged horizontally; 2. a furnace body inlet; 3. a furnace body vertically arranged; 4. a transition section flue; 5. an evaporation section tube bundle; 6. a horizontal coal-saving segment pipe bundle; 7. a coal saving segment pipe bundle is arranged; 8. a coal saving segment pipe bundle; 9. a chimney; 10. a board house; 11. a plunger pump; 12. an upper coal-saving segment pipe bundle inlet; 13. an upper coal-saving segment pipe bundle outlet; 14. a lower coal-saving segment pipe bundle inlet; 15. a lower coal-saving section pipe bundle outlet; 16. a horizontal coal-saving segment pipe bundle inlet; 17. a horizontal coal-saving segment pipe bundle outlet; 18. an evaporation section tube bundle inlet; 19. and an outlet of the evaporation section tube bundle.
Detailed Description
The following describes the embodiments of the present invention with reference to the accompanying drawings.
The following examples are given for the purpose of illustrating the present invention in a clear manner and are not intended to limit the scope of the present invention. Other variations and modifications of the present invention will be apparent to those of ordinary skill in the art based on the following description, and it is within the spirit of the present invention that such variations and modifications are within the scope of the present invention.
As shown in the figure, the utility model discloses a L shape furnace body, L shape furnace body include furnace body 1 and the furnace body 3 of vertical setting that the level set up, exhaust-heat boiler's flue export and the furnace body entry 2 intercommunication that the level set up, furnace body entry 2 is conical. The horizontal furnace body 1 and the vertical furnace body 3 are crossed to form a transition section flue 4, an evaporation section tube bundle 5 and a horizontal coal saving section tube bundle 6 are sequentially arranged in the horizontal furnace body 1 from an inlet to the transition section flue 3, a lower coal saving section tube bundle 7 is arranged above the transition section flue 4 in the vertical furnace body 3, an upper coal saving section tube bundle 8 is arranged above the lower coal saving section tube bundle 7, a chimney 9 is arranged at the top of the vertical furnace body, a board room 10 is arranged on the outer side of the L-shaped furnace body, a plunger pump 11 is arranged in the board room 10, the plunger pump 11 is communicated with an upper coal saving section tube bundle inlet 12 through a pipeline, an upper coal saving section tube bundle outlet 13 is communicated with a lower coal saving section tube bundle inlet 14, a lower coal saving section tube bundle outlet 15 is communicated with a horizontal coal saving section tube bundle inlet 16, a horizontal coal saving section tube bundle outlet 17 is communicated with an evaporation section tube bundle inlet 18, and an evaporation section tube bundle outlet 19 extends out of the horizontal furnace body 1.
The evaporation section tube bundle inlet 18 is arranged at the top of the tail end of the evaporation section tube bundle 5, and the evaporation section tube bundle outlet 19 is arranged at the bottom of the tail end of the evaporation section tube bundle 5.
The evaporation section tube bundle 5 is formed by horizontally reciprocating a single light pipe in multiple layers, and each layer is in a snake shape.
The horizontal coal-saving segment tube bundle inlet 16 is arranged at the bottom of the tail end of the horizontal coal-saving segment tube bundle 6, and the horizontal coal-saving segment tube bundle outlet 17 is arranged at the top of the tail end of the horizontal coal-saving segment tube bundle 5.
The horizontal coal-saving segment tube bundle 6 is formed by horizontally reciprocating a single finned tube in multiple layers, and each layer is in a snake shape.
The lower coal-saving segment tube bundles 7 are divided into two groups, the inlet 14 of each group of lower coal-saving segment tube bundles is arranged at the top of the group of lower coal-saving segment tube bundles 7, and the outlet 15 of each group of lower coal-saving segment tube bundles is arranged at the bottom of the group of lower coal-saving segment tube bundles 7.
The lower coal-saving segment tube bundle 7 is formed by horizontally reciprocating a single finned tube in multiple layers, and each layer is in a snake shape.
The upper coal-saving segment tube bundles 8 are divided into two groups, an inlet 12 of each group of upper coal-saving segment tube bundles is arranged at the top of the group of upper coal-saving segment tube bundles 8, and an outlet 13 of each group of upper coal-saving segment tube bundles is arranged at the bottom of the group of upper coal-saving segment tube bundles 8.
The upper coal-saving segment pipe bundle 8 is formed by horizontally reciprocating a single finned tube in multiple layers, and each layer is in a snake shape.
The utility model discloses a theory of operation: high-temperature flue gas enters a horizontally arranged furnace body 1 from a furnace body inlet 2, sequentially passes through an evaporation section tube bundle 5, a horizontal coal-saving section tube bundle 6, a transition section flue 4, a lower coal-saving section tube bundle 7 and an upper coal-saving section tube bundle 8, and is finally discharged from a chimney 9. Boiler feed water enters an upper coal-saving section pipe bundle 8 after being forcibly boosted by a plunger pump 11, enters a lower coal-saving section pipe bundle 7 after the upper coal-saving section pipe bundle 8 absorbs heat, then enters a horizontal coal-saving section pipe bundle 6, gradually vaporizes in the horizontal coal-saving section pipe bundle 6, and then enters an evaporation section pipe bundle 5, and finally obtains water vapor with the pressure of 14MPa and the dryness of 75%.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The waste heat steam injection boiler is characterized by comprising an L-shaped furnace body, wherein the L-shaped furnace body comprises a horizontally arranged furnace body and a vertically arranged furnace body, a flue outlet of the waste heat boiler is communicated with a horizontally arranged furnace body inlet, a transition section flue is arranged at the intersection of the horizontally arranged furnace body and the vertically arranged furnace body, an evaporation section tube bundle and a horizontal coal-saving section tube bundle are sequentially arranged in the horizontally arranged furnace body from the inlet to the direction of the transition section flue, a lower coal-saving section tube bundle is arranged above the transition section flue in the vertically arranged furnace body, an upper coal-saving section tube bundle is arranged above the lower coal-saving section tube bundle, a chimney is arranged at the top of the vertically arranged furnace body, a board house is arranged at the outer side of the L-shaped furnace body, a plunger pump is arranged in the board house and is communicated with the upper coal-saving section tube bundle inlet through a pipeline, an outlet of the upper coal-saving section tube bundle is communicated with the lower coal-saving section tube bundle inlet, the outlet of the horizontal coal-saving segment tube bundle is communicated with the inlet of the evaporation segment tube bundle, and the outlet of the evaporation segment tube bundle extends out of the furnace body which is horizontally arranged.
2. The waste heat steam injection boiler according to claim 1, wherein the inlet of the evaporation section tube bundle is arranged at the top of the tail end of the evaporation section tube bundle, and the outlet of the evaporation section tube bundle is arranged at the bottom of the tail end of the evaporation section tube bundle.
3. The waste heat steam injection boiler of claim 2, wherein the evaporator section tube bundle is a horizontally reciprocating multi-layer arrangement of a single light pipe, and each layer is serpentine in shape.
4. The waste heat steam injection boiler according to claim 1, wherein the inlet of the horizontal economizer section tube bundle is arranged at the bottom of the end of the horizontal economizer section tube bundle, and the outlet of the horizontal economizer section tube bundle is arranged at the top of the end of the horizontal economizer section tube bundle.
5. The waste heat steam injection boiler according to claim 4, wherein the horizontal coal saving segment tube bundle is a horizontally reciprocating multi-layer arrangement of single finned tubes, and each layer is serpentine in shape.
6. The exhaust heat steam injection boiler according to claim 1, wherein the lower economizer tube bundles are divided into two groups, an inlet of each group of lower economizer tube bundles is arranged at the top of the group of lower economizer tube bundles, and an outlet of each group of lower economizer tube bundles is arranged at the bottom of the group of lower economizer tube bundles.
7. The waste heat steam injection boiler according to claim 6, wherein the lower coal saving segment tube bundle is a horizontally reciprocating multi-layer arrangement of single finned tubes, and each layer is serpentine in shape.
8. The exhaust heat steam injection boiler according to claim 1, wherein the upper economizer bank is divided into two groups, an inlet of each group of upper economizer bank is arranged at the top of the group of upper economizer bank, and an outlet of each group of upper economizer bank is arranged at the bottom of the group of upper economizer bank.
9. The waste heat steam injection boiler according to claim 8, wherein the upper coal saving segment tube bundle is a horizontally reciprocating multi-layer arrangement of single finned tubes, and each layer is serpentine in shape.
10. The waste heat steam injection boiler of claim 1, wherein the furnace body inlet is conical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922288592.2U CN211739029U (en) | 2019-12-19 | 2019-12-19 | Waste heat steam injection boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922288592.2U CN211739029U (en) | 2019-12-19 | 2019-12-19 | Waste heat steam injection boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211739029U true CN211739029U (en) | 2020-10-23 |
Family
ID=72870163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922288592.2U Active CN211739029U (en) | 2019-12-19 | 2019-12-19 | Waste heat steam injection boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211739029U (en) |
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2019
- 2019-12-19 CN CN201922288592.2U patent/CN211739029U/en active Active
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