CN214702954U - Safety detection device for steam injection boiler of oil field - Google Patents
Safety detection device for steam injection boiler of oil field Download PDFInfo
- Publication number
- CN214702954U CN214702954U CN202121105162.3U CN202121105162U CN214702954U CN 214702954 U CN214702954 U CN 214702954U CN 202121105162 U CN202121105162 U CN 202121105162U CN 214702954 U CN214702954 U CN 214702954U
- Authority
- CN
- China
- Prior art keywords
- controller
- combustible gas
- steam injection
- hydrogen sulfide
- sampling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model discloses a safety detection device for an oil field steam injection boiler, which comprises a sampling pipeline, wherein a filter, a sampling pump, a combustible gas sensor and a hydrogen sulfide sensor are sequentially arranged on the sampling pipeline, the front end of the sampling pipeline is respectively communicated with the front part and the rear part of a furnace chamber of the steam injection boiler through two branch pipelines, and the two branch pipelines are respectively provided with a first electric valve; the device is also provided with a controller, and the control ends of the sampling pump and the first electric valve are respectively connected with the controller and used for controlling the opening and closing of the sampling pump and the first electric valve; and the signal output ends of the combustible gas sensor and the hydrogen sulfide sensor are respectively connected with the controller and used for acquiring detection signals of the combustible gas sensor and the hydrogen sulfide sensor. The device can accurately detect whether the hearth contains combustible gas or hydrogen sulfide, and ensures the safe operation of equipment.
Description
Technical Field
The utility model relates to a detection device, in particular to steam injection boiler safety inspection device in oil field.
Background
The oil field production safety is the central importance, the combustion of the existing oil field steam injection boiler needs to use natural gas fuel, sometimes natural gas is also used, and the natural gas is not only flammable and explosive gas, but also sometimes contains hydrogen sulfide toxic substances. It is therefore essential to use natural gas safely. If the air supply valve is leaked, the ignition and explosion accidents of the boiler can be caused, or the accidents of hydrogen sulfide poisoning and the like are brought to the maintenance constructors, and the safety of the personnel and the equipment is seriously damaged.
At present, most steam injection boilers only adopt a blower to blow before ignition to ensure ignition safety, but cannot accurately judge whether natural gas remains after blowing in a hearth, and cannot completely avoid hearth gas explosion during ignition. The existing solution only indirectly detects whether the main gas valve leaks to judge whether natural gas leaks in the hearth, but the pilot gas supply valve cannot ensure whether the natural gas leaks; if the main gas valve and the ignition gas supply valve are all provided with the leakage detecting device, the installation cost is greatly improved, and the cost is not saved. Meanwhile, the methods indirectly judge whether natural gas exists in the hearth or not, and hydrogen sulfide needs to be detected manually, so that the danger is high. Therefore, at present, an intuitive and reliable detection device is urgently needed to detect whether natural gas and hydrogen sulfide exist in a hearth, and safety production is ensured.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a steam boiler safety inspection device is annotated in oil field is provided, whether contain combustible gas or hydrogen sulfide in can the accurate detection furnace, guarantee equipment safe operation.
In order to solve the above problem, the utility model adopts the following technical scheme:
a safety detection device for an oil field steam injection boiler comprises a sampling pipeline, wherein a filter, a sampling pump, a combustible gas sensor and a hydrogen sulfide sensor are sequentially arranged on the sampling pipeline, the front end of the sampling pipeline is respectively communicated with the front part and the rear part of a hearth of the steam injection boiler through two branch pipelines, and the two branch pipelines are respectively provided with a first electric valve;
the device is also provided with a controller, and the control ends of the sampling pump and the first electric valve are respectively connected with the controller and used for controlling the opening and closing of the sampling pump and the first electric valve; and the signal output ends of the combustible gas sensor and the hydrogen sulfide sensor are respectively connected with the controller and used for acquiring detection signals of the combustible gas sensor and the hydrogen sulfide sensor.
Preferably, the rear end of the sampling pipeline is provided with a detection cylinder, the upper end of the detection cylinder is open, an igniter is inserted on the side wall of the detection cylinder, and the control end of the igniter is connected with the controller and used for controlling the work of the igniter and further detecting whether combustible gas exists.
Preferably, a flame detector is installed at an upper port of the detection cylinder, and a signal output end of the flame detector is connected with the controller so as to further detect whether combustible gas exists.
Preferably, the igniter employs a silicon nitride ignition bar.
Preferably, a second electric valve and a backfire device are sequentially arranged on the sampling pipeline between the hydrogen sulfide sensor and the detection cylinder, and the control end of the second electric valve is connected with the controller and used for closing the sampling pipeline.
Preferably, the device is also provided with an audible and visual alarm, and the control end of the audible and visual alarm is connected with the controller and used for giving an alarm when the combustible gas or the hydrogen sulfide is detected.
The utility model has the advantages that:
the front end of the sampling pipeline is connected with two branch pipelines which are respectively communicated with the front part and the rear part of the hearth of the steam injection boiler, and the gas in the hearth of the steam injection boiler can be sucked into the sampling pipeline through a filter and a sampling pump which are arranged on the sampling pipeline; through establishing combustible gas sensor and the hydrogen sulfide sensor on the sample pipeline, whether contain combustible gas or hydrogen sulfide in can the accurate detection furnace, the testing result is true reliable, guarantees equipment safe operation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: controller 1, power module 2, filter 3, sample pipeline 4, branch pipeline 5, sampling pump 6, combustible gas sensor 7, hydrogen sulfide sensor 8, second electric valve 9, first electric valve 10, detect a section of thick bamboo 11, flame detector 12, some firearm 13, tempering ware 14, audible-visual annunciator 15, furnace 16.
Detailed Description
As shown in fig. 1, the utility model relates to an oil field steam injection boiler safety inspection device, including sampling pipeline 4, by preceding installing filter 3, sampling pump 6, combustible gas sensor 7 and hydrogen sulfide sensor 8 after to in proper order on sampling pipeline 4, two branch pipelines 5 of tee bend sealing connection are passed through to sampling pipeline 4 front end, and two branch pipelines 5 insert respectively and feed through steam injection boiler's 16 anterior and rear portions of furnace, install first electric valve 10 on two branch pipelines 5 respectively. The filter 3 is a gas filter.
The device is also provided with a controller 1, the controller 1 adopts a PLC controller, and the control ends of the sampling pump 6 and the first electric valve 10 are respectively and electrically connected with the controller 1 and used for controlling the on and off of the sampling pump 6 and the first electric valve 10. And the signal output ends of the combustible gas sensor 7 and the hydrogen sulfide sensor 8 are respectively electrically connected with the controller 1 and are used for detecting the combustible gas and the hydrogen sulfide sucked into the sampling pipeline 4 and transmitting detection signals to the controller 1.
The rear end of the sampling pipeline 4 is connected with a detection cylinder 11, the upper end of the detection cylinder 11 is open, an igniter 13 is inserted on the side wall of the detection cylinder 11, and the control end of the igniter 13 is electrically connected with the controller 1 and used for controlling the work of the igniter 13 and further detecting whether combustible gas exists. The igniter 13 adopts a silicon nitride ignition rod.
A flame detector 12 is installed at the upper port of the detection cylinder 11, and the signal output end of the flame detector is connected with the controller 1 through a lead so as to further detect whether combustible gas exists.
A second electric valve 9 and a tempering device 14 are sequentially arranged between the hydrogen sulfide sensor 8 and the detection cylinder 11 on the sampling pipeline 4, and the control end of the second electric valve 9 is connected with the controller 1 and used for sealing the sampling pipeline 4.
The device is also provided with an audible and visual alarm 15 and a power module 2, wherein the control end of the audible and visual alarm 15 is electrically connected with the controller 1 and used for giving an alarm through the audible and visual alarm 15 when detecting out combustible gas or hydrogen sulfide. The power module 2 is electrically connected with the controller 1 and the flame detector 12 for supplying power.
During operation, before the ignition after the steam injection boiler in the oil field is swept or before personnel enter the hearth 16 during boiler maintenance, the device is operated, and after the refitting device displays normal no alarm, the personnel can carry out follow-up work.
When the device operates, the first electric valve and the second electric valve are opened through the controller 1, the sampling pump 6 is started, after the sampling pump 6 operates, air in the hearth is extracted from the front part and the rear part of the hearth 16 through the two branch pipelines 5 to enter the sampling pipeline 4, after dust is filtered through the filter 3, the dust is detected through the combustible gas sensor 7 and the hydrogen sulfide sensor 8, and whether combustible gas or hydrogen sulfide is contained is detected; and then, an ignition test is carried out by an igniter 13 on the side wall of the detection cylinder 11, and whether combustible gas exists is further verified. If flame appears, the flame detector 12 gives an alarm signal after detecting the flame, and meanwhile, the controller 1 controls the second electric valve 9 to be closed to stop air outlet, and then the sampling pump and the first electric valve 10 are closed. Therefore, whether the hearth 16 contains combustible gas or hydrogen sulfide can be accurately judged, and the safe operation of equipment is ensured.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (6)
1. The utility model provides an oil field steam injection boiler safety inspection device which characterized by: the sampling device comprises a sampling pipeline, wherein a filter, a sampling pump, a combustible gas sensor and a hydrogen sulfide sensor are sequentially arranged on the sampling pipeline, the front end of the sampling pipeline is respectively communicated with the front part and the rear part of a hearth of a steam injection boiler through two branch pipelines, and the two branch pipelines are respectively provided with a first electric valve;
the device is also provided with a controller, and the control ends of the sampling pump and the first electric valve are respectively connected with the controller and used for controlling the opening and closing of the sampling pump and the first electric valve; and the signal output ends of the combustible gas sensor and the hydrogen sulfide sensor are respectively connected with the controller and used for acquiring detection signals of the combustible gas sensor and the hydrogen sulfide sensor.
2. The oil field steam injection boiler safety detection device of claim 1, characterized in that: the rear end of the sampling pipeline is provided with a detection cylinder, the upper end of the detection cylinder is open, an igniter is inserted on the side wall of the detection cylinder, and the control end of the igniter is connected with the controller for controlling the work of the igniter and further detecting whether combustible gas exists.
3. The oil field steam injection boiler safety detection device of claim 2, characterized in that: and a flame detector is arranged at the upper port of the detection cylinder, and the signal output end of the flame detector is connected with the controller so as to further detect whether combustible gas exists.
4. The oil field steam injection boiler safety detection device of claim 2, characterized in that: the igniter adopts a silicon nitride ignition rod.
5. The oil field steam injection boiler safety detection device of claim 2, characterized in that: and a second electric valve and a tempering device are sequentially arranged between the hydrogen sulfide sensor and the detection cylinder on the sampling pipeline, and the control end of the second electric valve is connected with the controller and used for sealing the sampling pipeline.
6. The safety inspection device for the steam injection boiler in the oil field according to claim 1 or 5, which is characterized in that: the device is also provided with an audible and visual alarm, and the control end of the audible and visual alarm is connected with the controller and used for alarming when the combustible gas or the hydrogen sulfide is detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121105162.3U CN214702954U (en) | 2021-05-21 | 2021-05-21 | Safety detection device for steam injection boiler of oil field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121105162.3U CN214702954U (en) | 2021-05-21 | 2021-05-21 | Safety detection device for steam injection boiler of oil field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214702954U true CN214702954U (en) | 2021-11-12 |
Family
ID=78553392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121105162.3U Active CN214702954U (en) | 2021-05-21 | 2021-05-21 | Safety detection device for steam injection boiler of oil field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214702954U (en) |
-
2021
- 2021-05-21 CN CN202121105162.3U patent/CN214702954U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101943325B (en) | Device and method for actively detecting leakage of gas system and protecting gas system | |
| CN205037293U (en) | Multi -functional integrated combustor | |
| US4139339A (en) | Flare gas stack with purge control | |
| CN104990103B (en) | Automatic ignition device and its control method | |
| CN109945242A (en) | Preventing gas leakage system and method and the method for judging gas leakage position | |
| CN104390804A (en) | Performance test system and test method for explosion suppression and explosion resistance mining device | |
| CN206906014U (en) | Combustible gas pipeline flame arrester performance test system | |
| CN207622068U (en) | A kind of boiler safety automatic ignition device | |
| CN214702954U (en) | Safety detection device for steam injection boiler of oil field | |
| CN110160708A (en) | A kind of automatic testing method and device applied to Muffle furnace hydrogen gas leakage | |
| CN109612111A (en) | A method of controlling the gas heater with storage tank | |
| CN202092320U (en) | In-furnace combustible gas monitoring and alarming device for fuel gas heating furnace | |
| CN205748959U (en) | A kind of assay device for pipeline explosion arrestment spark arrester performance test | |
| CN109959029A (en) | A kind of boiler safety automatic ignition device | |
| CN109856184A (en) | Constraint space flammable gas explosion flow-field test device and method under water storage condition | |
| CN212456959U (en) | Gas detection and linkage point stove controlling means of steam injection boiler furnace | |
| CN112034088A (en) | Transformer fault gas monitoring equipment | |
| CN108180490A (en) | A kind of shock-wave ash-clearing system | |
| CN212252705U (en) | High-energy discharge ignition device of combustor | |
| CN109386737B (en) | Leakage detection device and method for safety cut-off valve of oxygen-enriched fuel system | |
| CN209263081U (en) | A kind of intelligent ignition device for radiation pipe burner tip | |
| CN113738683A (en) | Explosion-proof fan explosion performance detection device and method | |
| CN212430932U (en) | Boiler furnace combustible gas detection device | |
| CN207148623U (en) | A kind of injection boiler alarm diagnosis instrument | |
| CN2756822Y (en) | Safety cut-off device for oil-gas well |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |