CN111795374A - Detachable ocean platform steam injection boiler - Google Patents
Detachable ocean platform steam injection boiler Download PDFInfo
- Publication number
- CN111795374A CN111795374A CN202010774842.8A CN202010774842A CN111795374A CN 111795374 A CN111795374 A CN 111795374A CN 202010774842 A CN202010774842 A CN 202010774842A CN 111795374 A CN111795374 A CN 111795374A
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- section
- flue gas
- convection
- area
- detachable
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- 238000010793 Steam injection (oil industry) Methods 0.000 title claims abstract description 26
- 230000005855 radiation Effects 0.000 claims abstract description 34
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000003546 flue gas Substances 0.000 claims abstract description 31
- 238000002485 combustion reaction Methods 0.000 claims abstract description 16
- 238000009413 insulation Methods 0.000 claims abstract description 5
- 239000000779 smoke Substances 0.000 claims description 4
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 6
- 238000011084 recovery Methods 0.000 abstract description 3
- 239000003208 petroleum Substances 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B31/00—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus
- F22B31/08—Installation of heat-exchange apparatus or of means in boilers for heating air supplied for combustion
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/10—Water tubes; Accessories therefor
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention belongs to the technical field of petroleum machinery, and particularly relates to a detachable ocean platform steam injection boiler which is characterized by comprising a boiler body and auxiliary equipment, wherein the boiler body comprises a radiation section, a convection section and a heat exchanger, the radiation section comprises a combustion area and a flue gas steering area, a plurality of sections of spiral tube bundles arranged in the combustion area and a horizontal snake-shaped reciprocating tube bundle arranged in the flue gas steering area, the combustion area and the flue gas steering area respectively comprise sectional tube bodies, flanges connecting every two sectional tube bodies and a heat insulation layer, the convection section comprises a plurality of sections connected through frame connecting flanges, each section comprises a side window frame, an elbow box, a convection tube bundle, a fixed tube plate and a heat insulation layer, and light tubes and finned tubes are sequentially arranged in the convection section from bottom to top according to the flow direction of flue gas in the convection section of each section. The invention can be split into lightweight structural units, and the installation requirements of the ocean platform are met; the platform layout is reasonably utilized, the placement of the steam injection boiler is guaranteed, and the thermal recovery of the ocean platform is realized.
Description
Technical Field
The invention belongs to the technical field of petroleum machinery, and particularly relates to a detachable ocean platform steam injection boiler.
Background
The steam injection boilers are arranged on the ocean platform in different mounting modes according to the characteristics of the platform. For part of newly-built platforms, the steam-injection boiler can be installed together with other equipment before going out of the sea, the transportation and hoisting facilities are complete, and the hoisting installation of the steam-injection boiler is easy to complete. In the case of a platform or a part of newly built platforms which are put into production, when a boiler is installed, the lifting capacity of lifting equipment on the platform is insufficient, and the integral installation cannot be realized, so that a light-weight, small and detachable steam injection boiler is needed.
Disclosure of Invention
The invention aims to provide a detachable ocean platform steam injection boiler which can reduce the split weight of the steam injection boiler and ensure the installation on a platform, and the thick oil thermal recovery of the ocean platform is realized.
The purpose of the invention is realized by the following technical scheme:
the invention discloses a detachable ocean platform steam-injection boiler, which is characterized by comprising a boiler body and auxiliary equipment connected with the boiler body,
the boiler body comprises a radiation section, a convection section arranged at the tail part of the radiation section through a support frame, a heat exchanger arranged at the outer side of the radiation section,
the auxiliary equipment comprises a burner arranged on the front end plate of the radiation section, a plunger pump and an air compressor,
the radiation section comprises a combustion area and a flue gas steering area, a plurality of sections of spiral tube bundles arranged in the combustion area, and a horizontal snake-shaped reciprocating tube bundle arranged in the flue gas steering area, the combustion area and the flue gas steering area respectively comprise segmented cylinders, flanges connecting every two segmented cylinders, and heat-insulating layers arranged on the segmented cylinders and among the segmented cylinders,
the convection section comprises a plurality of sections connected through a frame connecting flange, each section comprises a side window frame, an elbow box arranged at the end of the side window frame, a convection tube bundle, a fixed tube plate and a heat insulation layer arranged in the side window frame, the convection tube bundle of each section is sequentially provided with a light pipe and a finned tube from bottom to top in the convection section according to the flowing direction of flue gas,
the support frame is arranged on the outer side of the segmented cylinder body of the smoke steering area.
The boiler body is in a horizontal straight-flow form.
The heat exchanger is in a U-shaped sleeve structure form, and the arrangement structure of the heat exchanger is radiation section overhead arrangement, radiation section side-hanging arrangement or radiation section front arrangement.
And a smoke outlet is arranged on the smoke turning area.
The convection bank is of a horizontal snake-shaped structure, each 3-5 rows of light tubes or finned tubes are divided into one group, and each group forms a section of segmented structure.
The invention has the advantages that:
(1) the detachable ocean platform steam injection boiler is disassembled into light structural units, so that the installation requirements of an ocean platform are met;
(2) the detachable ocean platform steam injection boiler disclosed by the invention has the advantages that the platform layout is reasonably utilized, the placement of the steam injection boiler is ensured, and the thermal exploitation of an ocean platform is realized.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic structural view of a boiler body according to the present invention.
Fig. 3 is a schematic view of the structure of the radiation section of the present invention.
FIG. 4 is a view of a tube bundle in the radiant section of the present invention.
FIG. 5 is a schematic structural view of a convection section of the present invention.
FIG. 6 is a tube bundle view of the convection section of the present invention.
FIG. 7 is a soda flow diagram of the present invention.
Detailed Description
The following further describes the embodiments of the present invention with reference to the drawings.
As shown in fig. 1-7, the detachable ocean platform steam injection boiler of the present invention is characterized in that it comprises a boiler body 1, an auxiliary device 2 connected with the boiler body 1,
the boiler body 1 comprises a radiation section 1-1, a convection section 1-2 arranged at the tail part of the radiation section 1-1 through a support frame 1-4, a heat exchanger 1-3 arranged at the outer side of the radiation section 1-1,
the auxiliary equipment 2 comprises a burner 2-1 arranged on the front end plate of the radiation section 1-1, a plunger pump 2-2 and an air compressor,
the radiation section 1-1 comprises a combustion area 1-1-1 and a flue gas turning area 1-1-2, a plurality of sections of spiral tube bundles 1-1-6 arranged in the combustion area 1-1-1, a horizontal snake-shaped reciprocating tube bundle 1-1-7 arranged in the flue gas turning area 1-1-2, the combustion area 1-1-1 and the flue gas turning area 1-1-2 both comprise a segmented cylinder 1-1-3, a flange 1-1-4 connecting every two segmented cylinders 1-1-3, and a heat insulation layer 1-5 arranged on the segmented cylinder 1-1-3 and between the segmented cylinders 1-1-3,
the convection section 1-2 comprises a plurality of sections connected through frame connecting flanges 1-2-3, each section comprises a side window frame 1-2-2, an elbow box 1-2-1 arranged at the end of the side window frame 1-2-2, a convection tube bundle 1-2-4 arranged in the side window frame 1-2-2, a fixed tube plate 1-2-5 and an insulating layer 1-5, a light pipe 1-2-4-2 and a finned tube 1-2-4-1 are sequentially arranged in the convection section 1-2 from bottom to top according to the flow direction of flue gas,
the support frame 1-4 is arranged on the outer side of the segmented cylinder 1-1-3 of the flue gas diversion area 1-1-2.
The boiler body 1 is in a horizontal direct-current mode.
The heat exchanger 1-3 is in a U-shaped sleeve structure form, and the arrangement structure of the heat exchanger 1-3 is radiation section 1-1 overhead arrangement, radiation section 1-1 side-hanging arrangement or radiation section 1-1 front arrangement.
The flue gas diversion area 1-1-2 is provided with a flue gas outlet.
The convection bank 1-2-4 is a horizontal snake-shaped structure, each 3-5 rows of light tubes 1-2-4-2 or finned tubes 1-2-4-1 are divided into one group, and each group forms a section of segmented structure.
The invention discloses a detachable ocean platform steam injection boiler which adopts a horizontal direct-current mode and consists of a boiler body 1 and auxiliary equipment 2. Referring to fig. 1, the steam injection boiler is horizontally arranged integrally, and is mounted on a skid seat together with a matched pipeline, and the plunger pump 2-3 is integrally or independently skidded with the steam injection boiler according to the platform position.
The boiler body 1 adopts a horizontal structure and comprises a radiation section 1-1, a convection section 1-2, a heat exchanger 1-3 and the like. The radiation section 1-3 is split into a plurality of sections and then connected into an integral structure; the convection section 1-2 is divided into a plurality of sections and then connected into an integral structure. Referring to fig. 2, the burner 2-1 is installed on the front end plate of the radiant section 1-1, and the rear end plate is provided with a fire observation hole 3 for observing the combustion condition in the radiant section 1-1. A support frame 1-4 is arranged on the outer side of a sectional cylinder 1-1-3 of a flue gas diversion area 1-1-2 at the rear end of the radiation section 1-1 and is used for installing the convection section 1-2. The heat exchanger 1-3 adopts a U-shaped sleeve structure, the heat exchanger 1-3 is divided into structures such as an overhead radiation section 1-1, a side-hanging radiation section and a front arrangement radiation section, and the floor area on a platform can be reduced. Referring to fig. 3, a radiation section 1-1 is a cylindrical horizontal structure and is divided into a combustion area 1-1-1 and a flue gas diversion area 1-1-2, a sectional form is adopted, each section comprises a sectional cylinder 1-1-3, an insulating layer 1-5 and the like, and all the sections are connected through flanges 1-1-4. And after the assembly is finished, the heat preservation and the sealing of the joint are carried out, and the sections are separated from the flanges 1-1-4 during the disassembly.
The radiation section tube bundle adopts a sectional structure, is a multi-section spiral tube bundle 1-1-6 in a non-flue gas turning area, and then is connected together; the tube bundle in the flue gas diversion area 1-1-2 adopts a horizontal snake-shaped reciprocating tube bundle 1-1-7. Referring to fig. 4, the tube bundle of the radiant section adopts a structural form of a spiral coil and a horizontal snake-shaped reciprocating tube. The inner tube bundle of the combustion zone 1-1-1 is a spiral tube bundle 1-1-6, and the flue gas diversion zone 1-1-2 is a horizontal snake-shaped reciprocating tube bundle 1-1-7. The inner tube bundle in the combustion zone 1-1-1 adopts a spiral tube and is segmented, and each segment is welded together; the inner tube bundle in the flue gas turning area 1-1-2 is arranged along the circumferential direction of the cylinder by adopting a horizontal snake-shaped reciprocating tube, and a flue gas outlet is reserved at the upper end of the segmented cylinder 1-1-3, so that the increase of flue gas resistance caused when the spiral tube bundle 1-1-6 is adopted at the position is prevented.
As shown in figure 5, the convection section 1-2 is integrally of a square box structure, is in a frame form formed by welding steel plates, is in a segmented form, and consists of convection tube bundles 1-2-4, an elbow box 1-2-1, side window frame frames 1-2-2, fixed tube plates 1-2-5, an insulating layer 1-5 and the like, wherein the sections are connected through frame connecting flanges 1-2-3, and are separated from the frame connecting flanges 1-2-3 during splitting.
The convection section 1-2 is in a structure of a light pipe and a finned pipe, is integrally arranged on a support frame 1-4 at the tail part of the radiation section 1-1, is in a sectional form, and is sequentially provided with the light pipe 1-2-4-2 and the finned pipe 1-2-4-1 from bottom to top in the convection section 1-2 according to the flowing direction of flue gas. As shown in figure 6, the convection bank 1-2-4 adopts a serpentine reciprocating tubular form, comprising light pipes 1-2-4-2 and finned tubes 1-2-4-1, the banks are connected through elbows, the banks among all sections are connected through elbows, every 3-5 rows of light pipes 1-2-4-2 or finned tubes 1-2-4-1 are divided into one group, each group forms a section of structure, and then the section structures are connected together. The working medium flows downwards into each row of tube bundles from the top row of finned tubes 1-2-4-1 to the bottom row of light tubes 1-2-4-2.
As shown in fig. 7, the steam-water flow of the boiler is as follows: the feed water is pressurized and conveyed to an outer pipe of a heat exchanger 1-3 by a plunger pump 2-3, enters a convection section 1-2 after being heated, enters an inner pipe of the heat exchanger 1-3 after absorbing the heat of the flue gas of the convection section 1-2, exchanges heat with cold water of the outer pipe, and enters a radiation section 1-1 after exchanging heat to generate qualified steam.
The detachable ocean platform steam injection boiler is disassembled into light structural units, so that the installation requirements of an ocean platform are met; the platform layout is reasonably utilized, the placement of the steam injection boiler is guaranteed, and the thermal recovery of the ocean platform is realized.
Claims (5)
1. A detachable ocean platform steam-injection boiler is characterized by comprising a boiler body and auxiliary equipment connected with the boiler body,
the boiler body comprises a radiation section, a convection section arranged at the tail part of the radiation section through a support frame, a heat exchanger arranged at the outer side of the radiation section,
the auxiliary equipment comprises a burner arranged on the front end plate of the radiation section, a plunger pump and an air compressor,
the radiation section comprises a combustion area and a flue gas steering area, a plurality of sections of spiral tube bundles arranged in the combustion area, and a horizontal snake-shaped reciprocating tube bundle arranged in the flue gas steering area, the combustion area and the flue gas steering area respectively comprise segmented cylinders, flanges connecting every two segmented cylinders, and heat-insulating layers arranged on the segmented cylinders and among the segmented cylinders,
the convection section comprises a plurality of sections connected through a frame connecting flange, each section comprises a side window frame, an elbow box arranged at the end of the side window frame, a convection tube bundle, a fixed tube plate and a heat insulation layer arranged in the side window frame, the convection tube bundle of each section is sequentially provided with a light pipe and a finned tube from bottom to top in the convection section according to the flowing direction of flue gas,
the support frame is arranged on the outer side of the segmented cylinder body of the smoke steering area.
2. The detachable ocean platform steam injection boiler according to claim 1, wherein the boiler body is in a horizontal straight flow form.
3. The detachable ocean platform steam injection boiler according to claim 1, wherein the heat exchanger is in a U-shaped sleeve structure, and the arrangement structure of the heat exchanger is a radiant section top-mounted arrangement, a radiant section side-hung arrangement or a radiant section front-mounted arrangement.
4. The detachable ocean platform steam injection boiler according to claim 1, wherein the flue gas diversion area is provided with a flue gas outlet.
5. The detachable steam injection boiler for ocean platforms according to claim 1, wherein the convection bank is of a horizontal serpentine structure, each 3-5 rows of light pipes or finned tubes are divided into a group, and each group forms a segment of a segmented structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010774842.8A CN111795374A (en) | 2020-08-04 | 2020-08-04 | Detachable ocean platform steam injection boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010774842.8A CN111795374A (en) | 2020-08-04 | 2020-08-04 | Detachable ocean platform steam injection boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111795374A true CN111795374A (en) | 2020-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010774842.8A Pending CN111795374A (en) | 2020-08-04 | 2020-08-04 | Detachable ocean platform steam injection boiler |
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| Country | Link |
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| CN (1) | CN111795374A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023024627A1 (en) * | 2021-08-26 | 2023-03-02 | 中国石油化工股份有限公司 | Gas-fired steam-injection boiler for oilfield |
-
2020
- 2020-08-04 CN CN202010774842.8A patent/CN111795374A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023024627A1 (en) * | 2021-08-26 | 2023-03-02 | 中国石油化工股份有限公司 | Gas-fired steam-injection boiler for oilfield |
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