CN201517970U - Superheated vapour sampling cooler for steam-injecting boiler - Google Patents
Superheated vapour sampling cooler for steam-injecting boiler Download PDFInfo
- Publication number
- CN201517970U CN201517970U CN200920246433XU CN200920246433U CN201517970U CN 201517970 U CN201517970 U CN 201517970U CN 200920246433X U CN200920246433X U CN 200920246433XU CN 200920246433 U CN200920246433 U CN 200920246433U CN 201517970 U CN201517970 U CN 201517970U
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- steam
- sampling
- plug
- outer tube
- superheated vapour
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Abstract
A superheated vapour sampling cooler for a steam-injecting boile, is used for sampling in a steam-injecting boiler for extracting the oil by injecting the steam in oil field. The superheated vapour sampling cooler is characterized in that an outer pipe is sleeved at the external of a sampling inner pipe, internal threads at both ends of the outer pipe are fixed with a plug respectively, a ring-shaped space is formed between the inner pipe and the outer pipe, a sealing body and a press cap are arranged at the outer end of the plug, both ends of the outer pipe are fixed with an inlet and outlet joint respectively, the centre holes of the inlet and outlet joints are communicated with the ring-shaped space between the inner pipe and outer pipe. The superheated vapour sampling cooler has the effects that the steam cooling effect is guaranteed and the superheated vapour sampling cooler is not easy to be blocked, even if the superheated vapour sampling cooler is blocked, the block is easy to be dredged. A filter is additionally arranged at the sampling outlat of a steam separator and is used for filtering the sampling steam, the blocked factors of the sampler are decreased from the source.
Description
Technical field
The utility model relates to steam treatment oil recovery technique field, oil field, and particularly a kind of injection boiler steam sampling device is a kind of uphole steam generator superheated vapor sampling cooler.
Background technology
At present, uphole steam generator is the visual plant of thickened oil recovery.Continuous increase along with thickened oil recovery output in these several years, the use amount of injection boiler increases year by year.Need to guarantee the safe and effective operation of injection boiler, recovering the oil for the heating power oil field provides qualified superheated vapor continuously.The mass dryness fraction of superheated vapor is the key index that injection boiler is produced steam, and mass dryness fraction influences the oil field gas injection effect when low, reduce oil recovery factor; And the superheated vapor mass dryness fraction may cause steam superheating when too high, influences steam boiler serviceable life, and substantial risk accidents such as booster can take place when serious.It is that safety coefficient to oil recovering effect and injection boiler all is vital that the steam quality value correctly is provided.
The steam quality value is gathered by the injection boiler sampling system.The injection boiler sampling system directly influences mass dryness fraction usually and detects accuracy rate, and original sampling system design is complicated, and sampling cooler is designed to coil arrangement.In the use, the pipeline internal corrosion easily takes place; Faults such as obstruction take place in the junction of pipeline and refrigeratory easily, cause and measure inaccurate or can't in time measure the steam quality value, add up in November, 2007～2008 in 1 year year November, oil recovery factory, certain oil field causes boiler shutdown frequency system as shown in the table because of superheated vapor sampling system fault:
| Sequence number | Station number | The blowing out number of times | The number of |
| 1 | The 9# station | 5 | 21 |
| 2 | The 10# station | 4 | 18 |
| 3 | The 11 |
2 | 11 |
| 4 | The 20# station | 3 | 12 |
| 5 | The 25 |
2 | 8 |
| 6 | The 28 |
1 | 3 |
| 7 | The 29 |
1 | 3 |
| 8 | Letter 8# station | 0 | 2 |
| Add up to | 8 stations | 18 | 68 |
As can be seen from the above table, boiler sampling system fault frequently takes place, and boiler can't normally be moved and the blowing out maintenance when serious, causes boiler can't produce qualified steam continuously, has influenced field produces.
Injection boiler sampling system fault frequently takes place, and has influenced the ordinary production in oil field.The sampling system fault mostly is the obstruction of sampling cooler coil pipe and is difficult to mediation.
The utility model content
The purpose of this utility model is: a kind of injection boiler superheated vapor sampling cooler is provided, can realize injection boiler superheated vapor sampling cooling, and reduce sampling cooler and stop up generation, reduce the blowing out phenomenon, the assurance injection boiler can be produced qualified steam continuously.
The technical solution adopted in the utility model is: injection boiler superheated vapor sampling cooler, mainly form by interior pipe, pressure cap, plug, outer tube and import and export joint, it is characterized in that: the outside of pipe is with outer tube in sampling, on the internal thread at outer tube two ends, be fixed with plug respectively, plug has center pit, and plug is enclosed within on the outer wall of interior pipe.Form annular space between interior pipe and the outer tube.There is seal outer end at plug, and seal is the cylinder bodily form, on the outer wall of seal screw thread is arranged, and is fixed with pressure cap by screw thread on the seal.Two ends at outer tube are fixed with the import and export joint respectively, import and export that the formation annular space is communicated with between joint center pit and interior pipe and the outer tube.Interior Guan Yiduan is connected on the injection boiler superheated vapor sample tap, and superheated vapor can be transported to sampling place by interior pipe.On the import and export joint at the two ends of outer tube, connect the cool circulation water system, in the annular space of forming between pipe and the outer tube in cold water is introduced, the steam cooling that pipe is gathered in making.Form sealing between pressure cap energy outer wall of inner tube and the plug, cold water can not run off.
In order to improve the sealing between outer wall of inner tube and the plug, in pressure cap, be filled with encapsulant.
For reduce enter in the impure quantity of steam of pipe, be connected with a vapor filter in the import of interior pipe.
The beneficial effects of the utility model: the utility model injection boiler superheated vapor sampling cooler is a kind of two-tube heat interchanger, steam is walked interior pipe, chilled water is walked outer tube, is difficult for stopping up when guaranteeing the steam cooling effect, solves even mediation is easily stopped up also in generation.Simultaneously, the place adds fixed filter at the steam separator sampling outlet, and sampling steam is filtered, and has reduced the factor that the sampler generation is stopped up from the source.
The number of stoppages that 9# station steam boiler sampling system behind the injection boiler superheated vapor sampling cooler is installed reduces to 2 times by original 21 times, and the steam quality qualification rate has accomplished 100%, has guaranteed the safe operation of injection-steam boiler.，
Description of drawings
Fig. 1 is the utility model injection boiler superheated vapor sampling cooler structural profile synoptic diagram.
Among the figure, 1. in pipe, 2. pressure cap, 3. plug, 4. outer tube is imported and exported joint 5.
Embodiment
Embodiment 1: the injection boiler superheated vapor sampling cooler with about three meters long is an example, and the utility model is described in further detail.
Consult Fig. 1.The utility model injection boiler superheated vapor sampling cooler mainly is made up of interior pipe 1, pressure cap 2, plug 3, outer tube 4 and import and export joint 5.10 millimeters of the external diameters of interior pipe 1,1 millimeter of wall thickness.The outside of pipe 1 is with a long outer tube of 3000 millimeters 4 in sampling, and the external diameter of outer tube 4 is 34 millimeters.The internal thread that M20 is arranged at the two ends of outer tube 4 is fixed with plug 3 respectively on the internal thread, plug 3 has 10 millimeters center pit, and plug 3 is enclosed within on the outer wall of interior pipe 1.Form annular space between interior pipe 1 and the outer tube 4.There is seal outer end at plug 3, and seal is the cylinder bodily form, and the external thread of M14 is arranged on the outer wall of seal, and the external thread by M14 on the seal is fixed with pressure cap 2.In pressure cap 2, be filled with the asbestos seal material.
Be welded with an import and export joint 5 respectively at the two ends of outer tube 4, import and export that the formation annular space is communicated with between joint 5 center pits and interior pipe 1 and the outer tube 4.
Import at interior pipe 1 is connected with a vapor filter.
Claims (3)
1. injection boiler superheated vapor sampling cooler, mainly by interior pipe (1), pressure cap (2), plug (3), outer tube (4) and import and export joints (5) are formed, it is characterized in that: the outside of pipe (1) is with outer tube (4) in sampling, on the internal thread at outer tube (4) two ends, be fixed with plug (3) respectively, plug (3) has center pit, plug (3) is enclosed within on the outer wall of interior pipe (1), form annular space between interior pipe (1) and the outer tube (4), there is seal outer end at plug (3), seal is the cylinder bodily form, on the outer wall of seal, screw thread is arranged, be fixed with pressure cap (2) by screw thread on the seal, be fixed with respectively at the two ends of outer tube (4) and import and export joint (5), import and export that the formation annular space is communicated with between joint (5) center pit and interior pipe (1) and the outer tube (4).
2. injection boiler superheated vapor sampling cooler according to claim 1 is characterized in that: be filled with encapsulant in pressure cap (2).
3. injection boiler superheated vapor sampling cooler according to claim 1 and 2 is characterized in that: the import at interior pipe (1) is connected with a vapor filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920246433XU CN201517970U (en) | 2009-10-22 | 2009-10-22 | Superheated vapour sampling cooler for steam-injecting boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920246433XU CN201517970U (en) | 2009-10-22 | 2009-10-22 | Superheated vapour sampling cooler for steam-injecting boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201517970U true CN201517970U (en) | 2010-06-30 |
Family
ID=42498692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920246433XU Expired - Lifetime CN201517970U (en) | 2009-10-22 | 2009-10-22 | Superheated vapour sampling cooler for steam-injecting boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201517970U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469466A (en) * | 2018-12-25 | 2019-03-15 | 中国石油大学(北京) | Concentric double pipe note for heavy crude heat extraction adopts horizontal well physical simulating device |
-
2009
- 2009-10-22 CN CN200920246433XU patent/CN201517970U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469466A (en) * | 2018-12-25 | 2019-03-15 | 中国石油大学(北京) | Concentric double pipe note for heavy crude heat extraction adopts horizontal well physical simulating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100630 |
|
| CX01 | Expiry of patent term |