CN210485764U - Horizontal plasma ignition device - Google Patents
Horizontal plasma ignition device Download PDFInfo
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- CN210485764U CN210485764U CN201921518776.7U CN201921518776U CN210485764U CN 210485764 U CN210485764 U CN 210485764U CN 201921518776 U CN201921518776 U CN 201921518776U CN 210485764 U CN210485764 U CN 210485764U
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Abstract
The utility model discloses a horizontal plasma ignition device, which belongs to the technical field of oil and gas drilling and comprises an integrated transportation pry and an ignition main body, wherein the ignition main body comprises an ignition head assembly and an ignition assembly; the fire head assembly comprises a combustion cylinder and an air inlet pipe; one end of the air inlet pipe is connected with the combustion cylinder, and the other end of the air inlet pipe is connected with the blowout 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 integrated transport skid is connected with the plasma ignition rod and the ignition burner through supply lines. The advantages of long arc, high energy and uninterrupted arc of plasma ignition are utilized to improve the reliability of the ignition device.
Description
Technical Field
The utility model relates to an ignition, concretely relates to horizontal plasma ignition 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 in the blowout process may explode after being mixed with air, and in most cases, the natural gas also contains toxic and harmful gases such as sulfur dioxide, so that the natural gas needs to be combusted in time. However, the traditional manual ignition mode can cause great hidden danger to personal safety.
Chinese CN202092157U patent discloses an all-weather intelligent ignition device, belonging to the field of ignition devices. The utility model discloses an all-weather intelligent ignition installs by a combustion section of thick bamboo, be connected with the gas supply line on the combustion section of thick bamboo, ignition includes the ignition pipe, the ignition pipe sets up by a combustion section of thick bamboo, be provided with the elbow of striking sparks in the ignition pipe, be connected with trachea line and oil pipe line on the ignition pipe, the elbow of striking sparks is connected to on the combined electrical apparatus cabinet through cable line, trachea line and oil pipe line are connected to on the combined electrical apparatus cabinet. The all-weather intelligent ignition device has simple structure and convenient use, can be remotely operated to ignite, and ensures the personal safety of operators; the natural gas sprayed out of the well can be rapidly ignited when a blowout accident happens, and the damage of natural gas leakage in inspection is avoided. Although CN202092157U 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 an adopt ignition of 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's reliability, solves the problem that original pulse ignition frequency is low, the gapped ignition success rate that causes and reliability are low of igniteing.
The utility model discloses a following technical scheme realizes: a horizontal plasma ignition device comprises an integrated transportation pry and an ignition main body, wherein the ignition main body comprises an ignition head assembly and an ignition assembly; the fire head assembly comprises a combustion cylinder and an air inlet pipe; one end of the air inlet pipe is connected with the combustion cylinder, and the other end of the air inlet pipe is connected with the blowout pipeline; the ignition assembly comprises a plasma ignition rod and an ignition burner; the ignition burner is positioned above the combustion cylinder; and the discharge arc generating end of the plasma ignition rod is connected with the ignition burner. The integrated transport skid is connected with the plasma ignition rod and the ignition burner through supply lines.
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 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 intelligent control cabinet top is equipped with the ultraviolet flame monitoring devices who is used for monitoring main burner combustion state.
Still further, the plasma ignition rod is covered with a heat insulation protection device.
Still further, a gas collecting device is arranged on the combustion cylinder; the gas collecting device comprises a shell, a cut-off plate in the combustion cylinder and a filter connected with the cut-off plate; the main burner and the ever-burning burner both penetrate into the shell.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
(1) the utility model discloses well adoption plasma ignition pole has electric arc energy height as ignition mechanism, the reliable characteristics of igniteing. 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.
(5) The heat insulation device can prevent the main flame from directly contacting with the ion ignition rod, the oil pipe, the air pipe and other connectors and pipelines during open blowing. The heat insulation protection device can also isolate heat radiation and reduce the temperature, thereby effectively protecting the connecting piece at the front end of the torch and prolonging the service life of the torch.
(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 CN206222339U patent adopts the negative pressure suction fuel feeding mode, and the flame jet distance that leads to the combustor is shorter (about 1 meter), 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 combustion oil of intelligent control cabinet in with external oil source (like the oil tank) impress main burner and the burner of ever-burning flame, reduced the pipe blockage condition, increased firepower and flame jet length moreover (can reach 3-5 meters).
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 an ignition body according to embodiment 2.
Fig. 4 is an enlarged view of a portion a in fig. 3.
Fig. 5 is a front elevation view of the ignition body of embodiment 2.
FIG. 6 is a schematic view of the line connection in example 2.
Fig. 7 is a sectional view of the thermal protector in example 2.
Wherein, 1, the integrated transportation pry is adopted; 10-supply lines; 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-an intake pipe; 22-an ignition assembly; 223-an ignition burner; 224-main burner; 225-ever open flame burner; 23-oil line; 24-a gas line; 25-a cable line; 26-plasma ignition rod; 261-discharge arc generating end; 262-gas line for ignition rod; 263-ever open flame oil pipeline; 27-a main oil supply pipe; 28-main trachea; 29-long open fire oil supply pipe; 4-blowout pipeline; 5-a heat insulation protection device; 51-a refractory layer; 52-an insulating layer; 53-cooling layer; 6-protection box; 7-a gas collection device; 71-a housing; 72-a filter; 73-closure plate.
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:
referring to fig. 1, a horizontal plasma ignition device comprises an integrated transport sled and an ignition body, wherein the ignition body comprises an ignition head assembly and an ignition assembly; the fire head assembly comprises a combustion cylinder and an air inlet pipe; one end of the air inlet pipe is connected with the combustion cylinder, and the other end of the air inlet pipe is connected with the blowout 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; and the discharge arc generating end of the plasma ignition rod is connected with the ignition burner. The integrated transport skid is connected with the plasma ignition rod and the ignition burner through supply lines.
Example 2:
as shown in figures 2-5, the horizontal plasma ignition device is WDH5-I, 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 and an ignition main body 2.
One end of the ignition rod gas pipeline 262 is connected with the ignition rod gas supply port on the intelligent control cabinet 13. The long open fire oil line 263 is connected to a long open fire oil supply port 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 the cable 25 is connected with a power interface on the intelligent control cabinet 13. One end of the gas pipeline 24 is connected with the gas supply port of the main burner 224 on the intelligent control cabinet 13. The oil line 23-is connected with the oil supply port of the main burner 224 on the intelligent control cabinet 13. The top of the intelligent control cabinet 13 is also provided with an ultraviolet flame monitoring device for monitoring the flame condition of the main burner 224.
The ignition body 2 includes a firing head assembly 21 and an ignition assembly 22; the burner head assembly 21 comprises a combustion cylinder 211 and an air inlet pipe 212; one end of the air inlet pipe 212 is connected with the combustion cylinder 211, and the other end is connected with the blowout pipeline 4; the ignition assembly 22 includes a plasma ignition rod 26 and an ignition burner 223; the ignition burner 223 is positioned above the combustion cylinder 211 and is arranged close to the combustion cylinder 211; the discharge arc generating end 261 of the plasma ignition rod 26 is connected to the ignition burner 223. The integrated transport skid 1 is connected to the plasma ignition bar 26 and the ignition burner 223 through supply lines.
The main burner 224 of the ignition burner 223 of the present embodiment is connected to the oil line 23 of the oil gas electric line bundle 151 through the main oil supply pipe 27, and the main burner 224 is connected to the gas line 24 of the oil gas electric line bundle 151 through the main gas pipe 28.
The long open flame burner 225 is connected to the long open flame line 263 in the plasma long open flame tube bundle 16 through a long open flame tube. The combustion time of the long open fire is more than 2 hours, and the ignition medium is diesel oil.
The plasma ignition rod 26 is disposed above the gas inlet pipe 212, and a discharge arc generating end 261 of the plasma ignition rod 26 is connected to the ignition burner 223. The plasma arc length of the plasma ignition rod 26 is more than or equal to 5cm, the spark energy is 1000J, and the power is 1 KW. The plasma ignition rod 26 is connected to the ignition rod gas line 262 in the plasma pilot torch line 16 and the electric cable 25 in the oil gas line 151, and gas and electric energy required for ignition are obtained through these two lines.
In the present embodiment, as shown in fig. 3, the heat-insulating protection device 5 is installed to cover the ignition module 22, the main fuel supply pipe 27 of the main burner 224, the pilot fuel supply pipe 29, and the like. As shown in fig. 3, a protective box 6 for protecting the plasma long open flame tube bundle 16 and the oil/gas tube bundle 151 is connected to the rear of the heat insulating protector 5 (left side of 2 in fig. 3), and the protective box 6 is made of stainless steel. The structure of the heat insulation protection device 5 is shown in fig. 7, and comprises an outermost refractory layer 51, an intermediate heat insulation layer 52 and an inner temperature reduction layer 53.
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 near the air 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 nozzle of the air inlet pipe 212 in the combustion cylinder 211, the cut-off plate 73 is obliquely arranged below the filter 72, and the upper edge of the cut-off plate is connected with the filter 72. The main burners 224 and the pilot burners 225 both pass through the housing 71 into the gas collection device 7.
The specific working principle is as follows: when ignition is required, the intelligent control cabinet 13 starts the air compressor to generate high-pressure air to push the diesel oil in the oil tank to the main burner 224 and the ever-burning burner 225 through the corresponding oil pipelines 23. After the diesel fuel reaches the main burner 224, the high-pressure air in the air line 24 forms atomized oil mist at the outlet of the main burner 224. The diesel fuel also forms an oil mist after reaching the ever-burning burner 225. Because the utility model discloses a compressed air is impressed main burner 224 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, but also has improved fuel feeding ability, has increased the fuel feeding in the same time, has realized the effect of extension flame length, and the flame of this embodiment can reach 3-5 meters, and the flame of the ignition of traditional mode can only be about 1 meter.
Meanwhile, the intelligent control cabinet 13 supplies electric energy to the plasma ignition rod 26 through a cable, and the intelligent control cabinet 13 supplies high-pressure gas required by the operation of the plasma ignition rod 26 to the gas pipeline 262 for the ignition rod through an air compressor. Under the action of the high-pressure gas, the electric arc generated by the plasma ignition rod 26 ignites the oil mist formed by the main burner 224 and the pilot burner 225, and the ignition work is completed. The main burner 224 and the pilot burner 225 ignite the combustible gas released from the liquid-gas separator in the combustion bowl 211 during combustion.
When the blowout gas is introduced into the burner through the inlet pipe 212 from the blowout line 4, the natural gas ejected from the opening of the inlet pipe 212 flows upward while being blocked by the shutoff plate 73. The natural gas that flows upwards is filtered through filter 72, has got rid of impurity therein, has improved the purity of natural gas and has been lighted by main burner 224 and long open flame combustor 225, burns with the oil mist of main burner 224 and long open flame combustor 225 jointly for flame intensity is higher, when guaranteeing flame intensity, can reduce the oil consumption, and is more economical.
After the flame of the main burner 224 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 situation, 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 224 or the ever-burning flame burner 225 is extinguished, which causes problems in the safety and environment of the oil field.
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 (6)
1. The utility model provides a horizontal plasma ignition device, includes integrated transportation sled (1) and ignition main part (2), its characterized in that: the ignition body (2) comprises an ignition head assembly (21) and an ignition assembly (22); the fire head assembly (21) comprises a combustion cylinder (211) and an air inlet pipe (212); one end of the air inlet pipe (212) is connected with the combustion cylinder (211), and the other end of the air inlet pipe is connected with the open flow pipeline (4); the ignition assembly (22) includes a plasma ignition rod (26) and an ignition burner (223); the ignition burner (223) is positioned above the combustion cylinder (211); the discharge arc generating end (261) of the plasma ignition rod (26) is connected with an ignition burner (223); the integrated transport skid (1) is connected to a plasma ignition bar (26) and an ignition burner (223) via a supply line (10).
2. The horizontal plasma ignition device according to claim 1, wherein: the ignition burner (223) includes a main burner (224) and an ever-burning burner (225).
3. The horizontal plasma ignition device according to 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 for connecting the intelligent control cabinet (13) and the air compressor is wound on the air source pipeline wire spool (11); the supply pipeline 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 (26) through a plasma long open fire pipeline bundle (16) and an oil gas electric pipeline bundle (151); the intelligent control cabinet (13) is connected with the main burner (224) and the long open fire burner (225) through an oil-gas electric pipe harness (151).
4. The horizontal plasma ignition device according to claim 3, wherein: the top of the intelligent control cabinet (13) is provided with an ultraviolet flame monitoring device for monitoring the combustion state of the main burner (224).
5. The horizontal plasma ignition device according to claim 4, wherein: the plasma ignition rod (26) is covered with a heat insulation protection device (5).
6. The horizontal plasma ignition device according to any one of claims 1 to 5, wherein: a gas collecting device (7) is arranged on the combustion cylinder (211); the gas collecting device (7) comprises a shell (71), a cut-off plate (73) in the combustion cylinder (211) and a filter (72) connected with the cut-off plate (73); the main burner (224) and the ever-burning burner (225) penetrate into the shell (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921518776.7U CN210485764U (en) | 2019-09-12 | 2019-09-12 | Horizontal plasma ignition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921518776.7U CN210485764U (en) | 2019-09-12 | 2019-09-12 | Horizontal plasma ignition device |
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| Publication Number | Publication Date |
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| CN210485764U true CN210485764U (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921518776.7U Active CN210485764U (en) | 2019-09-12 | 2019-09-12 | Horizontal plasma ignition device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117366592A (en) * | 2023-11-13 | 2024-01-09 | 成都市齐易机械电气有限责任公司 | Plasma ignition system of emptying torch |
-
2019
- 2019-09-12 CN CN201921518776.7U patent/CN210485764U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117366592A (en) * | 2023-11-13 | 2024-01-09 | 成都市齐易机械电气有限责任公司 | Plasma ignition system of emptying torch |
| CN117366592B (en) * | 2023-11-13 | 2024-05-24 | 成都市齐易机械电气有限责任公司 | Plasma ignition system of emptying torch |
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