CN210485763U - Combined plasma ignition device - Google Patents
Combined plasma ignition device Download PDFInfo
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- CN210485763U CN210485763U CN201921518630.2U CN201921518630U CN210485763U CN 210485763 U CN210485763 U CN 210485763U CN 201921518630 U CN201921518630 U CN 201921518630U CN 210485763 U CN210485763 U CN 210485763U
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Abstract
The utility model discloses a combined plasma ignition device, which belongs to the technical field of oil and gas drilling and comprises an integrated transportation pry, a blowout ignition main body and a main torch, wherein the blowout ignition main body comprises an ignition head assembly and an ignition assembly; the fire head assembly comprises a combustion cylinder and a blowout air inlet pipe; one end of the open flow air inlet pipe is connected with the combustion cylinder, and the other end of the open flow air inlet pipe is connected with an open flow pipeline; the ignition assembly comprises a plasma ignition rod and an ignition burner; the ignition burner is positioned above the combustion cylinder and is arranged close to the combustion cylinder; the discharge arc generating end of the plasma ignition rod is connected with the ignition burner; the main torch comprises a main nozzle vertically arranged, a torch air inlet pipe connected with the main nozzle, an ignition burner at the top of the main nozzle and a plasma ignition rod. The utility model discloses a plasma ignition replaces traditional pulse ignition, has reduced the discharge gap of some firearm, has improved the success rate of igniteing.
Description
Technical Field
The utility model relates to a blowout ignition main part, concretely relates to modular plasma ignition device belongs to oil gas drilling technical field.
Background
In the drilling construction process, if a high-pressure hydrocarbon reservoir is met, workers are required to close the blowout preventer and take measures such as throttling and blowout to avoid overflow or well kick. However, the natural gas released during the blowout process may explode after being mixed with air, and in many cases, the natural gas also contains toxic and harmful gases such as sulfur dioxide, and the other gases need to be burned. At present, a blowout ignition device and a separator ignition device are usually arranged in a separator pipeline and a combustible gas ignition device in a blowout pipeline respectively, two different ignition devices need two independent systems, equipment cost and use and maintenance cost are increased invisibly, and labor intensity of workers is increased.
The chinese CN206771382U patent discloses an ignition device for open flow natural gas, in particular to a two-in-one intelligent ignition device, belonging to the technical field of oil exploitation devices; the device comprises a control cabinet, a blowout pipeline ignition device and a separator emptying ignition device, wherein the blowout pipeline ignition device and the separator emptying ignition device are connected with the control cabinet through an integrated pipe bundle; adopt the utility model discloses a two unification intelligence ignition has not only solved the problem of traditional ignition function singleness, still makes ignition can not cause the circuit complicacy when the field usage, makes the scene more orderly, effectively improves ignition's practicality simultaneously, improves factor of safety, reduces the maintenance cost, improves production personnel work efficiency. Although CN206771382U solves the problem of remote ignition, the pulse discharge ignition adopted by it has the disadvantages of low frequency, gap in ignition and low reliability.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two unification plasma ignition devices that adopt plasma ignition technique, the electric arc that utilizes plasma ignition to have is long, the energy is high, the incessant advantage of electric arc, improves ignition device's reliability, solves the problem that original pulse ignition frequency is low, the gapped success rate of igniting and the reliability that causes of igniting are low.
The utility model discloses a following technical scheme realizes: a combined plasma ignition device: the device comprises an integrated transportation pry, a blowout ignition main body and a main torch, wherein the blowout ignition main body comprises a fire head assembly and an ignition assembly; the fire head assembly comprises a combustion cylinder and a blowout air inlet pipe; one end of the open flow air inlet pipe is connected with the combustion cylinder, and the other end of the open flow air inlet pipe is connected with an open flow pipeline; the ignition assembly comprises a plasma ignition rod and an ignition burner; the ignition burner is positioned above the combustion cylinder and is arranged close to the combustion cylinder; the discharge arc generating end of the plasma ignition rod is connected with the ignition burner; the main torch comprises a main nozzle which is vertically arranged, a torch air inlet pipe which is connected with the main nozzle, an ignition burner at the top of the main nozzle and a plasma ignition rod; the discharge arc generating end of the plasma ignition rod is connected with the ignition burner; the integrated transportation pry is connected with the plasma ignition rod, the plasma ignition rod and the ignition burner through supply pipelines.
Further, the ignition burner comprises a main burner and an open flame burner.
Still further, the integrated transportation pry comprises a plasma long open fire wire spool, an oil gas electric wire spool, a power cable wire spool, an air source pipeline wire spool and an intelligent control cabinet; the power cable wire spool is wound with a power cable for connecting the intelligent control cabinet and a power supply; an air source pipeline bundle for connecting the intelligent control cabinet and the air compressor is wound on the air source pipeline wire spool; the supply pipeline comprises a plasma long open fire pipeline bundle wound on the plasma long open fire wire spool and an oil-gas electric pipeline bundle wound on the oil-gas electric wire spool; the intelligent control cabinet is communicated with the plasma ignition rod and the plasma ignition rod through a plasma long-open fire tube bundle and an oil-gas electric tube bundle; the intelligent control cabinet is connected with the main burner and the ever-burning fire burner through an oil gas electric pipeline bundle.
Still further, the top of the intelligent control cabinet is provided with two ultraviolet flame monitoring devices which are respectively used for monitoring the combustion states of the main burner of the open-flow ignition main body and the main burner of the main torch.
Still further, a gas collecting device is arranged on the combustion cylinder of the open-flow ignition main body; the gas collecting device of the open flow ignition device comprises a shell, a shutoff plate in the combustion cylinder and a filter connected with the shutoff plate; the main burner of the open-flow ignition main body and the long open-flame burner of the open-flow ignition main body penetrate into the shell.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
(1) the utility model discloses well technical scheme who adopts the plasma ignition has the electric arc energy height for the technical scheme of pulse ignition, ignites reliably characteristics. The flame-out gas can be directly ignited, or the pilot fire source can be ignited first, and then the flame-out gas is ignited indirectly through the pilot fire source.
(2) Except setting up the required main burner of burning blowout gas in the ignition combustor, still set up the ever-burning flame combustor alone, make the ignition main part when not carrying out the blowout burning operation, can regard as ever-burning flame burner, play the warning effect for the operation of drilling crew, satisfy the safety need of drilling crew's operation.
(3) The plasma long-open fire wire spool, the oil gas electric wire spool, the power cable wire spool, the air source pipeline wire spool and the intelligent control cabinet are all integrally fixed on the integrated transportation pry, and transportation and field installation of the device are facilitated.
(4) The ultraviolet flame monitoring device can constantly monitor the flame condition of the ignition burner. The two sets of ultraviolet flame monitoring devices respectively monitor the main burners on the ignition main body and the main torch, so that the accuracy of flame monitoring is ensured, and misoperation is avoided.
(6) The gas collecting device filters partial blowout gas and supplies the filtered blowout gas to the main burner, so that the main burner is guaranteed to have enough flame intensity to well burn the blowout gas, and the oil consumption of the main burner in the use process is reduced.
(7) The CN206771382U patent adopts the negative pressure suction fuel feeding mode, and the flame that leads to the combustor is less, and the firepower is less the utility model discloses a pressure fuel feeding mode supplies with compressed air through the air compressor machine to through the oil for combustion among the intelligent control cabinet with external oil source (like the oil tank) impress main burner and the burner of ever-burning naked light, reduced the pipe blockage condition, increased the firepower moreover.
Drawings
Fig. 1 is a schematic view of the present invention.
FIG. 2 is a schematic view of example 2.
Fig. 3 is a schematic structural view of the blowout ignition main body of embodiment 2.
Fig. 4 is an enlarged view of a portion a in fig. 3.
FIG. 5 is a schematic view of the structure of a main torch in example 2.
Fig. 6 is an enlarged view at B in fig. 5.
FIG. 7 is a schematic view of the line connection in example 2.
Wherein, 1, the integrated transportation pry is adopted; 11-air source pipeline wire spool; 111-gas source line bundle; 13-intelligent control cabinet; 14-power cable spool; 141-power supply cable; 15-oil gas electric wire spool; 151-oil gas electric line bundle; 16-plasma long open flame tube bundle; 161-plasma open flame wire spool; 2-an ignition body; 21-a flame head assembly; 211-a combustion can; 212-blowout air inlet pipe; 22-an ignition assembly; 3-a main torch; 31-main nozzle; 32-a flare inlet pipe; 4-an ignition burner; 41-main burner; 42-ever open flame burner; 5-a supply line; 51-oil line; 52-gas line; 53-electric cables; 54-long open fire oil line; 55-plasma gas line; 6-plasma ignition rod; 61-discharge arc generating end; 62-ion ignition bar; 7-a gas collection device; 71-a housing; 72-a filter; 73-a closure plate; 27-a main oil pipe; 28-main trachea; 29-long open fire oil supply pipe; 8-blowout pipeline; 9-separator line.
Detailed Description
The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.
Example 1:
as shown in fig. 1, a combined plasma ignition device comprises an integrated transportation pry 1, a blowout ignition main body 2 and a main torch 3, and is characterized in that: the blowout ignition body 2 comprises a fire head assembly 21 and an ignition assembly 22; the fire head assembly 21 comprises a combustion cylinder 211 and a blowout air inlet pipe 212; one end of the open flow air inlet pipe 212 is connected with the combustion cylinder 211, and the other end is connected with the open flow pipeline 8; the ignition assembly 22 comprises a plasma ignition rod 6 and an ignition burner 4; the ignition burner 4 is positioned above the combustion cylinder 211 and is arranged close to the combustion cylinder 211; the discharge arc generating end 61 of the plasma ignition rod 6 is connected with the ignition burner 4; the main torch 3 comprises a main nozzle 31 vertically arranged, a torch air inlet pipe 32 connected with the main nozzle 31, an ignition burner 4 at the top of the main nozzle 31 and a plasma ignition rod 62; the discharge arc generating end 61 of the plasma ignition rod 62 is connected with the ignition burner 4; the integrated transport skid 1 is connected to the plasma ignition bar 62, the plasma ignition bar 6 and the ignition burner 4 via the supply line 5.
Example 2:
as shown in figures 2-7, the combined plasma ignition device is EDH-1, the pressure of a working gas source is 0.5-1.3 Mpa, and combustion oil is diesel oil and comprises an integrated transportation pry 1, a blowout ignition main body 2 and a main torch 3.
The present embodiment is provided with two sets of supply pipelines 5, each set of pipelines respectively comprises a plasma long open fire pipeline bundle 16 wound on the plasma long open fire wire spool 161 and an oil gas electric pipeline bundle 151 wound on the oil gas electric wire spool 15. Each plasma long open flame tube bundle 16 includes a strip plasma gas tube line 55 and a long open flame tube line 54; each oil gas electric line bundle 151 includes an oil line 51, a gas line 52 and a cable line 53.
One end of each plasma gas pipeline 55 is connected with a plasma gas supply port on the intelligent control cabinet 13. Each of the long open fire oil pipelines 54 is connected to one of the long open fire oil supply ports of the intelligent control cabinet 13, and the intelligent control cabinet 13 supplies oil through an external oil source (an oil tank in this embodiment, not shown in the drawings). One end of each cable 53 is connected with one power interface on the intelligent control cabinet 13. One end of each air pipe line 52 is connected with an air supply port of the main burner 41 on the intelligent control cabinet 13. One end of each oil line 51 is connected to an oil supply port of the main burner 41 of the intelligent control cabinet 13. The top of the intelligent control cabinet 13 is also provided with two sets of ultraviolet flame monitoring devices which respectively monitor the flame conditions of the main burners 41 on the open-flow ignition main body 2 and the main torch 3 and feed the conditions back to the intelligent control cabinet 13 in real time.
The blowout ignition body 2 comprises a fire head assembly 21 and an ignition assembly 22; the fire head assembly 21 comprises a combustion cylinder 211 and a blowout air inlet pipe 212; one end of the open flow air inlet pipe 212 is connected with the combustion cylinder 211, and the other end is connected with the open flow pipeline 8; the ignition assembly 22 comprises a plasma ignition rod 6 and an ignition burner 4; the ignition burner 4 is positioned above the combustion cylinder 211 and is arranged close to the combustion cylinder 211; the discharge arc generating end 61 of the plasma ignition rod 6 is connected with the ignition burner 4. The integrated transport skid 1 is connected to a plasma ignition bar 6 and an ignition burner 4 via a supply line 5.
The main burner 41 of the ignition burner 4 is connected via a main oil line 27 to an oil line 51 of an oil and gas electrical line bundle 151, and the main burner 41 is connected via a main gas line 28 to a gas line 52 of the oil and gas electrical line bundle 151.
The pilot burner 42 is connected to a pilot oil line 54 in the plasma pilot tube bundle 16 by a pilot oil line. The combustion time of the long open fire is more than 2 hours, and the ignition medium is diesel oil.
The plasma ignition rod 6 is arranged above the air inlet pipe, and the discharge arc-generating end 61 of the plasma ignition rod 6 is connected with the ignition burner 4. The plasma arc length of the plasma ignition rod 6 is more than or equal to 5cm, the spark energy is 1000J, and the power is 1 KW. The plasma ignition rod 6 is connected to a plasma gas line 55 of the plasma torch bundle 16 and an electric cable 53 of the oil gas line bundle 151, and gas and electric energy required for ignition are obtained through these two lines.
As shown in fig. 4, in the gas collecting device 7 of the combustion cylinder 211 of the present embodiment, the gas collecting device 7 is disposed at one end of the combustion cylinder 211 close to the blowout inlet pipe 212, and includes a housing 71, a filter 72, and a cut-off plate 73. The filter 72 is horizontally arranged above the inlet pipe orifice in the combustion cylinder 211, the cut-off plate 73 is obliquely arranged below the filter 72, and the upper edge is connected with the filter 72. The main burners 41 and the long open flame burners 42 each penetrate through the housing 71 into the gas collecting device 7.
The main torch 3 comprises a main nozzle 31 and a separator air inlet pipe, the height of the main nozzle 31 is 3 meters, the top of the main nozzle is provided with an ignition burner 4 comprising a main burner 41 and a long-open flame burner 42, the ignition burner 4 is externally covered with a wind-proof flame-stabilizing device, the wind-proof flame-stabilizing device of the embodiment is a wind-proof cover and a flame-stabilizing plate which are welded at the top end of the main nozzle 31, and the wind-proof flame-stabilizing device is similar to the CN206222339U wind-proof flame-stabilizing device.
The main burner 41 of the ignition burner 4 of the present embodiment is connected to the oil line 51 of the oil gas electric line bundle 151 through the main oil pipe 27, and the main burner 41 is connected to the gas line 52 of the oil gas electric line bundle 151 through the main gas pipe 28.
The pilot burner 42 is connected to a pilot oil line 54 in the plasma pilot tube bundle 16 by a pilot oil line. The operating time and combustion medium of the long open flame burner 42 in the main torch 3 are the same as those of the long open flame burner 42 of the blowout ignition body 2.
The plasma ignition rod 62 is disposed on one side of the main nozzle 31, the discharge arc generating end 61 of the plasma ignition rod 62 is connected to the ignition burner 4, and the parameters of the plasma ignition rod 62, such as arc length and power, are the same as those of the plasma ignition rod 6 of the blowout ignition main body 2. The plasma ignition rod 62 is connected to the plasma gas line 55 of the plasma long flame line bundle 16 and the electric cable 53 of the oil gas line bundle 151, and gas and electric energy required for ignition are obtained through these two lines.
The main spray pipe 31 is connected with an outlet pipeline of the liquid-gas separator through an air inlet pipe, and a fire relief valve is arranged between the main spray pipe 31 and the air inlet pipe to serve as an anti-backfire device.
The bottom of the main torch 3 (including the main nozzle 31, the fire retardant valve and the air inlet pipe) and one side of the main nozzle 31 on which the plasma ignition rod 62 is arranged are provided with heat insulation protection boxes for protecting the pipelines and components connected with the main burner 41, the pilot burner 42 and the plasma ignition rod 62.
The specific working principle is as follows: when ignition is needed, the intelligent control cabinet 13 is used for generating high-pressure air by starting the air compressor according to needs, so that diesel oil in the oil tank is pressed into an oil pipeline 51 connected with the open-flow ignition main body 2 or the main torch 3 through different pipelines and is pressed to different main burners 41 and long-open flame burners 42. After the diesel fuel reaches the main burner 41, the diesel fuel is atomized at the outlet of the main burner 41 by the high-pressure air in the air line 52 to form oil mist. The diesel fuel also forms an oil mist after reaching the ever-burning burner 42. Meanwhile, the intelligent control cabinet 13 supplies electric energy to the plasma ignition rod 62 or the plasma ignition rod 6 through a cable, and the intelligent control cabinet 13 supplies high-pressure gas required by the operation of the plasma ignition rod 62 or the plasma ignition rod 6 to the plasma gas pipeline 55 through an air compressor. Under the action of the high-pressure gas, the arc generated by the plasma ignition rod 62 or the plasma ignition rod 6 ignites the oil mist formed by the main burner 41 and the pilot burner 42, thereby completing the ignition operation. The main burner 41 and the pilot burner 42 ignite the combustible gas at the mouth of the combustion cylinder 211 or the main torch 3 during the combustion process.
When the flame of one main burner 41 is extinguished due to an external force, the ultraviolet flame monitoring device on the intelligent control cabinet 13 sends out the ignition information again after monitoring the condition, and then the ignition operation is performed again. This avoids the situation that the combustible gas to be treated is not combusted after the main burner 41 or the pilot burner 42 is extinguished, which leads to the problems of oil field safety and environment.
Because the utility model discloses a compressed air is impressed main burner 41 with the diesel oil in the oil tank, has reduced the possibility of stifled pipe for the oil absorption mode of negative pressure before like this, has still improved fuel feeding ability moreover, has increased the fuel feeding volume in same time, has improved the height and the length of flame, lets the burning more abundant.
In addition, in the present embodiment, a gas collecting device 7 is provided in the open-flow ignition body 2, and when the open-flow gas is introduced into the main burner 41 through the gas inlet pipe of the open-flow pipeline 8, the natural gas ejected from the gas inlet pipe orifice flows upward while being blocked by the shutoff plate 73. The natural gas flowing upwards is filtered by the filter 72, impurities in the natural gas are removed, the purity of the natural gas is improved, the natural gas is ignited by the main burner 41 and is combusted together with oil mist of the main burner 41, the flame intensity is higher, the filtered natural gas is used for replacing oil for hot combustion in departments, the oil consumption is reduced, and the fuel-saving gas burner is more economical.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (5)
1. The utility model provides a modular plasma ignition, includes integrated transportation sled (1), open flow ignition main part (2) and main torch (3), its characterized in that: the blowout ignition main body (2) comprises an ignition head assembly (21) and an ignition assembly (22); the fire head assembly (21) comprises a combustion cylinder (211) and a blowout air inlet pipe (212); one end of the open flow air inlet pipe (212) is connected with the combustion cylinder (211), and the other end of the open flow air inlet pipe is connected with the open flow pipeline (8); the ignition assembly (22) comprises a plasma ignition rod (6) and an ignition burner (4); the ignition burner (4) is positioned above the combustion cylinder (211) and is arranged close to the combustion cylinder (211); the discharge arc generating end (61) of the plasma ignition rod (6) is connected with the ignition burner (4); the main torch (3) comprises a main nozzle (31) vertically arranged, a torch air inlet pipe (32) connected with the main nozzle (31), an ignition burner (4) at the top of the main nozzle (31) and a plasma ignition rod (62); the discharge arc generating end (61) of the plasma ignition rod (62) is connected with the ignition burner (4); the integrated transportation pry (1) is connected with a plasma ignition rod (62), a plasma ignition rod (6) and an ignition burner (4) through a supply pipeline (5).
2. The combined plasma ignition device of claim 1, wherein: the ignition burner (4) comprises a main burner (41) and an open flame burner (42).
3. The combined plasma ignition device of claim 2, wherein: the integrated transportation skid (1) comprises a plasma long open fire wire spool (161), an oil gas electric wire spool (15), a power cable wire spool (14), an air source pipeline wire spool (11) and an intelligent control cabinet (13); a power cable (141) for connecting the intelligent control cabinet (13) and a power supply is wound on the power cable wire spool (14); an air source pipeline bundle (111) for connecting the intelligent control cabinet (13) and the air compressor is wound on the air source pipeline wire spool (11); the supply pipeline (5) comprises a plasma long open fire pipeline bundle (16) wound on a plasma long open fire wire spool (161) and an oil-gas electric pipeline bundle (151) wound on an oil-gas electric wire spool (15); the intelligent control cabinet (13) is communicated with the plasma ignition rod (6) and the plasma ignition rod (62) through a plasma long open fire pipe bundle (16) and an oil gas electric pipe bundle (151); the intelligent control cabinet (13) is connected with the main burner (41) and the long open fire burner (42) through an oil-gas electric pipe harness (151).
4. The combined plasma ignition device of claim 3, wherein: the top of the intelligent control cabinet (13) is provided with two ultraviolet flame monitoring devices which are respectively used for monitoring the combustion state of the main burner (41) of the open-flow ignition main body (2) and the main burner (41) of the main torch (3).
5. The combined plasma ignition device of any one of claims 1 to 4, wherein: a gas collecting device (7) is arranged on a combustion cylinder (211) of the open-flow ignition main body (2); the gas collecting device (7) of the open-flow ignition device comprises a shell (71), a cut-off plate (73) in a combustion cylinder (211) and a filter (72) connected with the cut-off plate (73); the main burner (41) of the open-flow ignition main body (2) and the long open-fire burner (42) of the open-flow ignition main body (2) penetrate into the shell (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921518630.2U CN210485763U (en) | 2019-09-12 | 2019-09-12 | Combined plasma ignition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921518630.2U CN210485763U (en) | 2019-09-12 | 2019-09-12 | Combined plasma ignition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210485763U true CN210485763U (en) | 2020-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921518630.2U Active CN210485763U (en) | 2019-09-12 | 2019-09-12 | Combined plasma ignition device |
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|---|---|
| CN (1) | CN210485763U (en) |
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2019
- 2019-09-12 CN CN201921518630.2U patent/CN210485763U/en active Active
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