CN204084308U - A kind of oil field high pressure injection steam boiler vapor device - Google Patents
A kind of oil field high pressure injection steam boiler vapor device Download PDFInfo
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- CN204084308U CN204084308U CN201420324383.3U CN201420324383U CN204084308U CN 204084308 U CN204084308 U CN 204084308U CN 201420324383 U CN201420324383 U CN 201420324383U CN 204084308 U CN204084308 U CN 204084308U
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- convection section
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Abstract
The utility model provides a kind of oil field high pressure injection steam boiler vapor device, comprise high pressure water pump, check valve, bushing type feed water preheater, one-level convection section, secondary convection section, radiant section, steam-water separator, wherein, one-level convection section, secondary convection section and radiant section are sealed in housing, housing is connected with burner, and high-pressure feed water pump discharge is adapter sleeve tubular type feed water preheater shell-side, the tube bank of one-level convection section, bushing type feed-water preheating organ pipe side, the tube bank of secondary convection section, radiant section tube bank, steam-water separator successively; Advantage is optimized configuration to heating surface, and existing single convection section is split as two-stage convection section.
Description
Technical field
The utility model relates to a kind of vapor device of injection boiler, is applicable to oil field high pressure injection steam boiler.
Background technology
In the residual petroleum resource in about 6,000,000,000,000 barrels of the whole world, heavy oil accounts for 70%, and therefore heavy oil will be the main energy sources of 21 century.The EOR(of gas magazine improves oil recovery factor technology) investigation display, steam injection thermal recovery heavy oil accounts for 63% of EOR project.The nucleus equipment of heavy oil thermal recovery is HVDC injection boiler, by energy injection high pressure oil reservoir, and heating dilution heavy oil, thus improve recovery ratio.
The heating surface of existing injection boiler is mainly divided into radiant section and convection section two parts.In order to utilize the radiation heat transfer of high strength as far as possible and ensure the Thorough combustion of burner hearth fuel, flue gas temperature of hearth outlet is generally designed to about 950 DEG C, remaining heat absorb by the working medium in convection section.When steam injection pressure is lower, the specific enthalpy of saturation water is lower, and the working medium in convection section is easily vaporized, and makes convection section afterbody and feed water preheater entrance occur that Liquid-vapor two-phase flow moves, adds the resistance of Working fluid flow, result in convection section and feed water preheater vibrations.Therefore, the injection boiler of steam flow scheme design is when lower pressure runs routinely, and the economy of unit and security all cannot ensure.
Utility model content
The purpose of this utility model is avoid the deficiencies in the prior art and provide a kind of oil field high pressure injection steam boiler vapor device.
The technical solution of the utility model is: a kind of oil field high pressure injection steam boiler vapor device, comprise high pressure water pump, check valve, bushing type feed water preheater, one-level convection section, secondary convection section, radiant section, steam-water separator, wherein, one-level convection section, secondary convection section and radiant section are sealed in housing, housing is connected with burner, and high-pressure feed water pump discharge is adapter sleeve tubular type feed water preheater shell-side, the tube bank of one-level convection section, bushing type feed-water preheating organ pipe side, the tube bank of secondary convection section, radiant section tube bank, steam-water separator successively.
Described high pressure water pump is plunger displacement pump.
Described bushing type feed water preheater shell-side water inlet and bushing type feed-water preheating organ pipe side delivery port are one end, and bushing type feed water preheater shell-side delivery port and bushing type feed-water preheating organ pipe side water inlet are the other end; Bushing type feed water preheater shell-side water inlet connects the feedwater treating preheating, delivery port is connected with one-level convection section water inlet, bushing type feed-water preheating organ pipe side water inlet is connected with the hot water outlet that one-level convection section is restrained, and bushing type feed-water preheating organ pipe side outlet is connected with secondary convection section water inlet.
The tube bank level of described one-level convection section is staggered in arrangement, and flue gas upstream adopts light pipe, and flue gas downstream adopts finned tube.
The tube bank of described secondary convection section is the light pipe that level is staggered in arrangement.
The tube bank of described radiant section is the snakelike tube bank that horizontal reciprocating is arranged, and the cross section of radiant section is circular.
The utility model has the advantages that: configuration is optimized to heating surface, existing single convection section is split as two-stage convection section.Cooling device (bushing type feed water preheater) is added with in the middle of two-stage convection section, this device preheating feedwater, cool the working medium in convection section, working medium vaporization in convection section when effectively preventing boiler low-pressure to run, thus prevent convection section tube bank and bushing type feed-water preheating organ pipe side to occur that Liquid-vapor two-phase flow moves, reduce Working fluid flow resistance, avoid the vibrations of convection section and bushing type feed water preheater.Simultaneously owing to taking cooling during rolling, add the Average heat transfer temperature difference of two-stage convection section, reduce heating surface area.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model oil field high pressure injection steam boiler vapor device.
Fig. 2 is that the Pipe bundle structure of one-level convection section arranges front view;
Fig. 3 is that the Pipe bundle structure of one-level convection section arranges left view.
Fig. 4 is that the Pipe bundle structure of secondary convection section arranges front view;
Fig. 5 is that the Pipe bundle structure of secondary convection section arranges left view.
Fig. 6 is that the Pipe bundle structure of radiant section arranges front view;
Fig. 7 is that the Pipe bundle structure of radiant section arranges left view.
In figure: 1, high pressure water pump; 2, check valve; 3, bushing type feed water preheater; 4, one-level convection section tube bank; 5, secondary convection section tube bank; 6, radiant section tube bank; 7, steam-water separator; 8, check valve; 9, stop valve; 10, burner; 11, radiant coil; 12, radiant section elbow, 13, secondary heating tube in section of convection chamber; 14, secondary convection section elbow; 15, one-level convection section finned tube; 16, one-level convection section light pipe; 17, one-level convection section elbow.
Detailed description of the invention
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.
A kind of oil field high pressure injection steam boiler vapor device, comprise high pressure water pump, check valve, bushing type feed water preheater, one-level convection section, secondary convection section, radiant section, steam-water separator, wherein, one-level convection section, secondary convection section and radiant section are sealed in housing, housing is connected with burner, and high-pressure feed water pump discharge is adapter sleeve tubular type feed water preheater shell-side, the tube bank of one-level convection section, bushing type feed-water preheating organ pipe side, the tube bank of secondary convection section, radiant section tube bank, steam-water separator successively.
Described high pressure water pump is plunger displacement pump.
Described bushing type feed water preheater shell-side water inlet and bushing type feed-water preheating organ pipe side delivery port are one end, and bushing type feed water preheater shell-side delivery port and bushing type feed-water preheating organ pipe side water inlet are the other end; Bushing type feed water preheater shell-side water inlet connects the feedwater treating preheating, delivery port is connected with one-level convection section water inlet, bushing type feed-water preheating organ pipe side water inlet is connected with the hot water outlet that one-level convection section is restrained, and bushing type feed-water preheating organ pipe side outlet is connected with secondary convection section water inlet.
The tube bank level of described one-level convection section is staggered in arrangement, and flue gas upstream adopts light pipe, and flue gas downstream adopts finned tube.
The tube bank of described secondary convection section is the light pipe that level is staggered in arrangement.
The tube bank of described radiant section is the snakelike tube bank that horizontal reciprocating is arranged, and the cross section of radiant section is circular.
Traditional single convection section is split as two-stage convection section structure by this device, efficiently solves the vaporization problem of convection section tube bank end working medium and the vibration problems of convection section and feed water preheater.
Bushing type feed water preheater is feed water preheater, feedwater is at its shell-side flow, the hot water of one-level convection section outlet flows into bushing type feed-water preheating organ pipe side heated feed water, makes inlet water temperature higher than the acid dew-point temperature of flue gas, prevents the cold end corrosion of convection section back-end surfaces.
Feedwater after preheating enters the tube bank of one-level convection section and absorbs flue gas heat.One-level convection section tube is intrafascicular, and the boiler tube being positioned at flue gas upstream adopts light pipe, and the boiler tube being positioned at flue gas downstream adopts finned tube, and tube bank is level and is staggered in arrangement, working medium and flue gas adverse current heat exchange.
The hot water of one-level convection section tube bank outlet flows into bushing type feed-water preheating organ pipe side heated feed water, flows into the tube bank of secondary convection section and continues to absorb flue gas heat, reduce the deficient enthalpy entering radiant section working medium, ensure that the hydrodynamic stability of radiant section after its temperature reduces.Light pipe, working medium and flue gas adverse current heat exchange that the tube bank of secondary convection section is staggered in arrangement for level.
The hot water of secondary convection section tube bank outlet flows into radiant section tube bank, absorbs the heat of gas radiation.Radiant section tube bank adopts the snakelike tube bank of back and forth arrangement, and boiler tube is horizontally disposed, and tube bank cross section is circular.The steam of radiant section tube bank outlet injects oil well after steam-water separator.
In the utility model, steam flow process is: softening bushing type feed water preheater shell-side → 4, high pressure water pump → 3, deaerated water → 1, one-level convection section tube bank → 3 bushing type feed-water preheating organ pipe side → 5 secondary convection section tube bank → 6 radiant section tube bank → 7 steam-water separators.
The utility model is not limited to above-mentioned specific embodiments, above-mentioned specific embodiments be only schematically, directiveness and nonrestrictive.
Claims (6)
1. an oil field high pressure injection steam boiler vapor device, comprise high pressure water pump, check valve, bushing type feed water preheater, one-level convection section, secondary convection section, radiant section, steam-water separator, wherein, one-level convection section, secondary convection section and radiant section are sealed in housing, housing is connected with burner, it is characterized in that high-pressure feed water pump discharge adapter sleeve tubular type feed water preheater shell-side, the tube bank of one-level convection section, bushing type feed-water preheating organ pipe side, the tube bank of secondary convection section, radiant section tube bank, steam-water separator successively.
2. a kind of oil field according to claim 1 high pressure injection steam boiler vapor device, it is characterized in that, described high pressure water pump is plunger displacement pump.
3. a kind of oil field according to claim 1 high pressure injection steam boiler vapor device, it is characterized in that, described bushing type feed water preheater shell-side water inlet and bushing type feed-water preheating organ pipe side delivery port are one end, and bushing type feed water preheater shell-side delivery port and bushing type feed-water preheating organ pipe side water inlet are the other end; Bushing type feed water preheater shell-side water inlet connects the feedwater treating preheating, delivery port is connected with one-level convection section water inlet, bushing type feed-water preheating organ pipe side water inlet is connected with the hot water outlet that one-level convection section is restrained, and bushing type feed-water preheating organ pipe side outlet is connected with secondary convection section water inlet.
4. a kind of oil field according to claim 1 high pressure injection steam boiler vapor device, is characterized in that the tube bank level of described one-level convection section is staggered in arrangement, and flue gas upstream adopts light pipe, and flue gas downstream adopts finned tube.
5. a kind of oil field according to claim 1 high pressure injection steam boiler vapor device, is characterized in that the tube bank of described secondary convection section is the light pipe that level is staggered in arrangement.
6. a kind of oil field according to claim 1 high pressure injection steam boiler vapor device, it is characterized in that the tube bank of described radiant section is the snakelike tube bank that horizontal reciprocating is arranged, and the cross section of radiant section is circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420324383.3U CN204084308U (en) | 2014-06-18 | 2014-06-18 | A kind of oil field high pressure injection steam boiler vapor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420324383.3U CN204084308U (en) | 2014-06-18 | 2014-06-18 | A kind of oil field high pressure injection steam boiler vapor device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204084308U true CN204084308U (en) | 2015-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420324383.3U Expired - Fee Related CN204084308U (en) | 2014-06-18 | 2014-06-18 | A kind of oil field high pressure injection steam boiler vapor device |
Country Status (1)
| Country | Link |
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| CN (1) | CN204084308U (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 |
-
2014
- 2014-06-18 CN CN201420324383.3U patent/CN204084308U/en not_active Expired - Fee Related
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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANDONG JUNMA PETROLEUM EQUIPMENT MANUFACTURING G Effective date: 20150505 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150505 Address after: 257500 Kenli Huafeng Road, Shandong, China, No. 21, No. Patentee after: JUNMA PETROLEUM EQUIPMENT MANUFACTURING Co.,Ltd. Patentee after: SHANDONG JUNMA PETROLEUM EQUIPMENT MANUFACTURING GROUP Co.,Ltd. Address before: 257500 Kenli Huafeng Road, Shandong, China, No. 21, No. Patentee before: JUNMA PETROLEUM EQUIPMENT MANUFACTURING Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |