CN201331046Y - Steam-filling boiler for 50T/h fuel oil or flue gas - Google Patents
Steam-filling boiler for 50T/h fuel oil or flue gas Download PDFInfo
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- CN201331046Y CN201331046Y CNU2009201484406U CN200920148440U CN201331046Y CN 201331046 Y CN201331046 Y CN 201331046Y CN U2009201484406 U CNU2009201484406 U CN U2009201484406U CN 200920148440 U CN200920148440 U CN 200920148440U CN 201331046 Y CN201331046 Y CN 201331046Y
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Abstract
The utility model provides a steam-filling boiler for 50T/h fuel oil (gas), including a boiler body and a boiler auxiliary system; the boiler body is composed of a radiation section, a transition section, a convection section and a prizing seat, and the boiler auxiliary system includes a boiler aqueous vapor system, a combustion system, an air system, an atomizing system, a fuel oil (gas) system, and a control system; the radiation section is a principal region for generating high-pressure saturated vapor through heating water, the combustion system acts on the radiation section; the transition section is arranged between the radiation section and the convection section, and guides the flue gas generated by the radiation section into the convection section; the convection section is arranged on the top of the transition section, for heating the incoming water through the high-temperature flue gas from the radiation section. By means of the 50t/h fuel oil (gas) boiler to fill the steam, it is capable of improving a reservoir recovery, reducing a viscous crude oil production cost, and improving the boiler thermal efficiency; the application of the boiler technology is capable of preventing the boiler from occurring a bias current effectively, prolonging the service life of the boiler and enhancing the boiler operation stability, preventing an pipe explode accident, and enhancing a continuous operation time of the boiler.
Description
Technical field
The utility model belongs to boiler and makes the field, relates to a kind of uphole steam generator, is specifically related to a kind of 50T/h fuel oil or gas steam injection boiler that uses in oil exploitation.
Background technology
As everyone knows, particularly exist abundant viscous crude resource in the Liaohe Oil Field in China, and heavy crude producing and carry out steam flooding, the SAGD oil recovery by heating need adopt the large-tonnage boiler to carry out continuous steam injection.But have serious defective at the 50T/h residual oil injection boiler that uses at present, for example the chamber structure design is unreasonable, radiation tube bank bias current is serious, the booster probability is higher, thereby is unfavorable for continuous steam injection.
In order to exploit efficiently, reduce maintenance activity intensity and increase the continuous steam injection time, be badly in need of a kind of injection boiler that overcomes above-mentioned defective now.
The utility model content
At the deficiency of existing injection boiler, the utility model technological invention people repeatedly tests and has researched and proposed a kind of novel 50T/h fuel oil or gas steam injection boiler.
According to fuel oil of the present utility model or gas steam injection boiler, be specially 50T/h fuel oil or gas steam injection boiler, it comprises boiler body and boiler accessory system; Boiler body is made up of radiant section, changeover portion, convection section and sled seat, and the boiler accessory system comprises boiler water-steam system, combustion system, air system, atomization system, fuel oil or gas burning system, control system; Radiant section integral body is horizontal cylindrical shape, the snakelike reciprocal spread pattern of dual-pipe parallel is adopted in radiation tube bank in the radiant section, wherein adding the hot water section, to select 72 root timber matter for use be that φ 89mm * 13mm, the length of straight pipe of 20G is the seamless steel pipe of 16m, it is that φ 89mm * 13mm, the length of straight pipe of 15CrMo G is the seamless steel pipe of 16m that vaporizing zone is selected 20 root timber matter for use, and the radiation tube bank is arranged in circle or rectangle water-cooling wall by certain centre-to-centre spacing.
Preferably, the convection section tube bank in the convection section is made up of light pipe and finned tube, and convection bank adopts relatively independent two tube sides tube bank to form, and the quantity of two tube sides tube bank is identical with arrangement form, and the snakelike reciprocal arrangement of short-radius bend level is all adopted in convection bank; The convection section bottom is made up of 6 row's solid matter light pipes, and the 6 row's finned tubes that are in the convection section bottom adopt long radius cross-over connection elbow, and all the other finned tubes adopt the arrangement form that strengthens longitudinal pitch between per two groups.
Preferably, the flue interface of changeover portion adopts the top board of big circularity arc.
Preferably, the water-to-water heat exchanger shell side import in the boiler water-steam system, convection section outlet, radiant section inlet and radiant section outlet all are furnished with the collection case.
Preferably, be provided with flow detection and adjusting device, export every tube side at radiant section and be provided with independent mass dryness fraction checkout gear at the radiant section inlet.
This fuel oil or gas steam injection boiler can be widely used in the oil exploitation, and use this fuel oil or gas steam injection boiler to improve boiler thermal output, and then can improve reservoir recovery, reduce the thickened oil recovery cost.
Brief Description Of Drawings
Fig. 1 is the schematic diagram according to the high pressure boiler circuit of 50T/h fuel oil of the present utility model or gas steam injection boiler
Fig. 2 is the total figure schematic diagram of 50T/h boiler according to 50T/h fuel oil of the present utility model or gas steam injection boiler
Fig. 3 (a) and 3 (b) are the radiation segment structure figure in 50T/h fuel oil or the gas steam injection boiler
Fig. 4 is the radiation tube bank structural representation in 50T/h fuel oil or the gas steam injection boiler
Fig. 5 is the changeover portion structural diagrams intention in 50T/h fuel oil or the gas steam injection boiler
Fig. 6 (a) and 6 (b) are the radiation tube bank structure chart in 50T/h fuel oil or the gas steam injection boiler
The specific embodiment
Below in conjunction with accompanying drawing, fuel oil or the gas steam injection boiler that the utility model proposes is described in detail.
In Fig. 1 to Fig. 6 (b), the parts that the mark among the figure is represented are as follows respectively:
1, main water pipeline
2, enter collection case I
3, water-to-water heat exchanger shell side import I
4, water-to-water heat exchanger shell side import II
5, convection section import I
6, convection section import II
7, convection section outlet I
8, convection section outlet II
9, collection case II
10, water-to-water heat exchanger tube side import I
11, water-to-water heat exchanger tube side import II
12, water-to-water heat exchanger tube side outlet I
13, water-to-water heat exchanger tube side outlet II
14, collection case III
15, radiant section inlet I
16, radiant section inlet II
17, radiant section outlet I
18, radiant section outlet II
19, enter collection case IV
20, plunger water pump
21, combustion system
22, radiant section
23, high pressure boiler circuit
24, changeover portion
25, convection section
According to fuel oil of the present utility model or gas steam injection boiler, be specially 50T/h fuel oil or gas steam injection boiler, it comprises boiler body and boiler accessory system; Boiler body is made up of radiant section, changeover portion, convection section and sled seat, and the boiler accessory system comprises boiler water-steam system, combustion system, air system, atomization system, fuel oil or gas burning system, control system; Radiant section integral body is horizontal cylindrical shape, the snakelike reciprocal spread pattern of dual-pipe parallel is adopted in radiation tube bank in the radiant section, wherein adding the hot water section, to select 72 root timber matter for use be that φ 89mm * 13mm, the length of straight pipe of 20G is the seamless steel pipe of 16m, it is that φ 89mm * 13mm, the length of straight pipe of 15CrMo G is the seamless steel pipe of 16m that vaporizing zone is selected 20 root timber matter for use, and the radiation tube bank is arranged in circle or rectangle water-cooling wall by certain centre-to-centre spacing
Wherein, radiant section is the main region that the water heating is generated high-pressure saturated steam, and combustion system is installed on radiant section the place ahead.Changeover portion is between radiant section and convection section, and it produces flue gas with radiant section and imports convection section; Convection section is positioned at the changeover portion top, heats by absorption high-temperature flue gas heat and comes water, improves radiant section and goes into coolant-temperature gage minimizing heat loss, has improved boiler operating efficiency.
Described radiant section integral body is horizontal cylindrical shape, the snakelike reciprocal spread pattern of dual-pipe parallel is adopted in the radiation tube bank, selecting 72 root timber matter for use is φ 89mm * 13mm (being used to add the hot water section) of 20G, 20 root timber matter are φ 89mm * 13mm (being used for vaporizing zone) of 15CrMo G, length of straight pipe is the seamless steel pipe of 16m, will restrain by certain centre-to-centre spacing and be arranged in circle or rectangle water-cooling wall.
The convection section tube bank is made up of light pipe and finned tube, adopts relatively independent two tube sides tube bank to form, and two tube sides tube bank quantity is identical with arrangement form, has guaranteed working medium environment unanimity of living in, and the snakelike reciprocal arrangement of short-radius bend level is all adopted in convection bank.The bottom is made up of 6 row of horizontal solid matter light pipes, and the 6 row's finned tubes that are in the bottom adopt long radius cross-over connection elbow, and all the other finned tubes adopt the arrangement form that strengthens longitudinal pitch between per two groups, are beneficial to blow ash.Preferably, the flue interface of changeover portion adopts the top board of big circularity arc.
The collection case has all been arranged in the import of water-to-water heat exchanger shell side, convection section outlet, radiant section inlet and radiant section outlet, adopts high pressure steam-water pipeline multitube process control technology.
Increase flow detection and adjusting device at the radiant section inlet, export every tube side at radiant section independent mass dryness fraction checkout gear is set, regulate to make things convenient for boiler.
Specifically in conjunction with the accompanying drawings, be explained as follows:
This utility model is a kind of 50T/h fuel oil or gas steam injection boiler, it comprises boiler body, combustion system 21, high pressure steam-water pipeline 23, boiler body is made up of radiant section 22, changeover portion 24, convection section 25, radiant section 22 is the main region that the water heating generated the high pressure wet saturated steam, and combustion system 21 finally acts on radiant section.Changeover portion 24 is between radiant section 22 and convection section 25, and it produces flue gas with radiant section 22 and imports convection section 25; Convection section 25 is positioned at changeover portion 24 tops, heats by the high-temperature flue gas that absorbs radiant section 22 and comes water, improves radiant section 22 and goes into coolant-temperature gage minimizing heat loss, has improved boiler operating efficiency.
Described radiant section integral body is horizontal cylindrical shape, and radiation is restrained us and designed a kind of brand-new boiler tube arrangement form--the reciprocal coiled pipe of two-tube side-by-side.The reciprocal coiled pipe of so-called two-tube side-by-side is connected to form the flow process passage with the plain cylindrical furnace straight tube with elbow exactly, and two flow process passages are arranged side by side, and makes two groups of flow process environment of living in intact the same.Every group of radiation tube bank adopts the light pipe of 20G φ 89mm * 13mm and the light pipe of 15CrMoG φ 89mm * 13mm to form, length of straight pipe 16m, to restrain by certain centre-to-centre spacing and be arranged in circle or rectangle water-cooling wall, every two pipe major diameter elbows of welding and a minor diameter elbow.Latter two is imported and exported all in tube bank top or bottom, and convenient the layout imported and exported the collection case.
The reciprocal elbow Type of Welding burner hearth that this version is more traditional has following advantage: two-tube turnover simultaneously, both satisfied mass velocity, and guarantee circulation area again; Dual-pipe parallel, operating mode basically identical of living in can reduce the generation of bias current situation.
Described convection section is that two-tube-pass arranges that every group of convection bank is made up of light pipe and finned tube, all adopts the reciprocal snakelike arrangement form of level.Convection bank adopts relatively independent two tube sides tube bank to form, and two tube sides tube bank quantity is identical with arrangement form, has guaranteed working medium environment unanimity of living in.The bottom is made up of 6 row's solid matter light pipes, and the solid matter form is the snakelike reciprocal arrangement of short-radius bend level.The 6 row's finned tubes that are in the bottom adopt long radius cross-over connection elbows, strengthen longitudinal pitch between per two groups of all the other finned tubes, are beneficial to purge the layout in space.Welding sequence is welding successively from top to bottom.
The convection bank arrangement form that this version is more traditional has following advantage: two-tube turnover simultaneously, both satisfied mass velocity, and guarantee circulation area again; The bottom light pipe is closely arranged, and increases heat exchange area and reduces exhaust gas temperature, reduces the finned tube scaling loss.Horizontal solid matter pattern is beneficial to welding and maintenance, has solved the problem of stress concentration of stagger arrangement formula solid matter simultaneously; The rare row of upper fins pipe is beneficial to the convection section deashing.
Described changeover portion has designed a kind of novel flue interface, this flue interface adopts the top board of big circularity arc, the more traditional straight top board fixedly ability of heat-insulation layer is better, cooperates folding building block formula insulation to make it form self-supporting formula vault, has strengthened erosion resistibility.(seeing diagram for details)
Described high pressure steam-water pipeline adopts the Multistage Control technology, i.e. water-to-water heat exchanger shell side import, convection section outlet, radiant section inlet and radiant section outlet have arranged that all the collection case to mix two-tube-pass working medium, farthest reduces the bias current problem that two-tube-pass is brought.
Demineralized water by high-pressure hydraulic pump enters by main water pipeline 1 and enters water-to-water heat exchanger shell side import I 3 respectively after collection case I 2 mixes, water-to-water heat exchanger shell side import II4, enter convection section import I 5 and import II6 respectively after covering shell side, after convection section and flue gas heat exchange finish, enter into collection case II9 and mix laggard entry heat exchanger tube side import I 10 and water-to-water heat exchanger tube side import II11 by convection section outlet I 7 and outlet II8, go out by water-to-water heat exchanger tube side outlet I12 and water-to-water heat exchanger tube side outlet II 13 after in tube side, finishing heat exchange, enter and enter radiant section inlet I 15 and radiant section inlet II 16 respectively after collection case III14 mixes, the wet saturated steam that produces after the combustion system heating in radiant section enters collection case IV19 by radiant section outlet I 17 and radiant section outlet II18, enters steam injection pipeline after fully mixing.
This fuel oil or gas steam injection boiler can be widely used in the oil exploitation, and steam flooding, SAGD oil recovery by heating adopt 50T/h fuel oil or gas fired-boiler to annotate vapour, have improved reservoir recovery, reduce the thickened oil recovery cost, have improved boiler thermal output.The application of this fuel oil or gas steam injection boiler prevents that effectively bias current from appearring in boiler, has prolonged the service life of boiler and has strengthened boiler operatiopn stability, prevents the generation of pipe explosion accident, has increased the boiler continuous operating time.
In addition, although the clear in the above technical scheme that the utility model proposes that described in detail, but with reference to preferred embodiment of the present utility model, this area those skilled in the art be appreciated that, under the situation of the spirit and scope of the present utility model that do not deviate from the claims definition, can in form and details, make various modifications.Therefore, all should fall within the protection domain of the present utility model with reference to the various modifications that technical solutions of the utility model are made.
Claims (5)
1. 50T/h fuel oil or gas steam injection boiler is characterized in that comprising boiler body and boiler accessory system; Boiler body is made up of radiant section, changeover portion, convection section and sled seat, and the boiler accessory system comprises boiler water-steam system, combustion system, air system, atomization system, fuel oil or gas burning system, control system; Radiant section integral body is horizontal cylindrical shape, the snakelike reciprocal spread pattern of dual-pipe parallel is adopted in radiation tube bank in the radiant section, wherein adding the hot water section, to select 72 root timber matter for use be that φ 89mm * 13mm, length of straight pipe are No. 20 high-pressure boiler tubes of the seamless steel pipe of 16m, it is that φ 89mm * 13mm, length of straight pipe are the steel alloy high-pressure boiler of the seamless steel pipe of 16m that vaporizing zone is selected 20 root timber matter for use, and the radiation tube bank is arranged in circle or rectangle water-cooling wall by certain centre-to-centre spacing.
2. according to fuel oil in the claim 1 or gas steam injection boiler, it is characterized in that the convection section tube bank in the described convection section is made up of light pipe and finned tube, convection bank adopts relatively independent two tube sides tube bank to form, the quantity of two tube sides tube bank is identical with arrangement form, and the snakelike reciprocal arrangement of short-radius bend level is all adopted in convection bank; The convection section bottom is made up of 6 row's solid matter light pipes, and the 6 row's finned tubes that are in the convection section bottom adopt long radius cross-over connection elbow, and all the other finned tubes adopt the arrangement form that strengthens longitudinal pitch between per two groups.
3. according to fuel oil in the claim 1 or gas steam injection boiler, the flue interface that it is characterized in that changeover portion adopts the top board of big circularity arc.
4. according to fuel oil in the claim 1 or gas steam injection boiler, it is characterized in that the import of water-to-water heat exchanger shell side, convection section outlet, radiant section inlet and the radiant section outlet in the boiler water-steam system all is furnished with the collection case.
5. according to fuel oil in the claim 1 or gas steam injection boiler, it is characterized in that being provided with flow detection and adjusting device, export every tube side at radiant section and be provided with independent mass dryness fraction checkout gear at the radiant section inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201484406U CN201331046Y (en) | 2009-04-08 | 2009-04-08 | Steam-filling boiler for 50T/h fuel oil or flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201484406U CN201331046Y (en) | 2009-04-08 | 2009-04-08 | Steam-filling boiler for 50T/h fuel oil or flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201331046Y true CN201331046Y (en) | 2009-10-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201484406U Expired - Fee Related CN201331046Y (en) | 2009-04-08 | 2009-04-08 | Steam-filling boiler for 50T/h fuel oil or flue gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201331046Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410523A (en) * | 2011-12-06 | 2012-04-11 | 山西蓝天环保设备有限公司 | Horizontal pulverized coal combustion oil field gas injection boiler |
| CN104633932A (en) * | 2015-01-30 | 2015-05-20 | 中国石油化工股份有限公司 | Heating medium furnace for long-distance-delivery crude oil pipeline |
-
2009
- 2009-04-08 CN CNU2009201484406U patent/CN201331046Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410523A (en) * | 2011-12-06 | 2012-04-11 | 山西蓝天环保设备有限公司 | Horizontal pulverized coal combustion oil field gas injection boiler |
| CN102410523B (en) * | 2011-12-06 | 2014-03-26 | 山西蓝天环保设备有限公司 | Horizontal pulverized coal combustion oil field gas injection boiler |
| CN104633932A (en) * | 2015-01-30 | 2015-05-20 | 中国石油化工股份有限公司 | Heating medium furnace for long-distance-delivery crude oil pipeline |
| CN104633932B (en) * | 2015-01-30 | 2017-10-03 | 中国石油化工股份有限公司 | Crude oil long-distance transmission pipeline hot Media Oven |
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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: CNPC BOHAI EQUIPMENT MANUFACTURING CO., LTD. Free format text: FORMER OWNER: GENERAL MACHINERY FACTORY, LIAOHE PETROLEUM EXPLORATION BUREAU;GENERAL MACHINERY FACTORY, LIAOHE PET Effective date: 20130423 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 124209 PANJIN, LIAONING PROVINCE TO: 300457 HANGU, TIANJIN |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130423 Address after: 300457, Tianjin Development Zone, No. 19 West Ring Road Service Outsourcing Industry Park, building 3 Patentee after: CNPC Bohai Equipment Manufacturing Co., Ltd. Address before: 124209 Red Village street, Xinglongtai District, Liaoning, Panjin Patentee before: Machinery Plant of Liaohe Petroleum Exploration Bureau |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091021 Termination date: 20180408 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |