CN213395364U - Torch discharge system sealer - Google Patents
Torch discharge system sealer Download PDFInfo
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- CN213395364U CN213395364U CN202020761885.8U CN202020761885U CN213395364U CN 213395364 U CN213395364 U CN 213395364U CN 202020761885 U CN202020761885 U CN 202020761885U CN 213395364 U CN213395364 U CN 213395364U
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- baffle plate
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- barrel
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Abstract
The utility model discloses a torch discharge system sealer, which comprises a vertically arranged barrel, wherein a torch gas inlet is arranged at the bottom end socket of the barrel, a torch gas outlet is arranged at the top end socket, a lower baffle plate and an upper baffle plate are arranged in the barrel, a sewage discharge port and a nitrogen gas supplement port are arranged at the lower part of the barrel, the lower baffle plate consists of an arc plate at the bottom and an inclined plate at the upper part, the inclined plate is tangent to the top of the arc plate, the upper baffle plate and the lower baffle plate are completely the same, the lower baffle plate and the upper baffle plate are in a central symmetrical structure in the barrel, an upward flowing tapered flow passage is formed between the inclined plate of the lower baffle plate and the barrel, the top of the tapered flow passage is a primary throttle port, the inclined plate of the lower baffle plate and the inclined plate of the upper baffle plate are mutually parallel to form a downward torch gas, the bottom of the divergent runner is provided with a secondary throttling opening. The utility model discloses combined the molecule sealed with the sealed dual function of speed, simple structure, sealing performance are good.
Description
Technical Field
The utility model belongs to petrochemical combustible gas discharge system engineering field, in particular to torch discharge system sealer.
Background
The torch system is a special combustion facility for treating combustible and combustible toxic gases and steam which cannot be recovered and reprocessed in petrochemical plants, oil refineries, chemical plants and other plants or devices, and a sealer is arranged in the torch system in order to prevent accidents caused by backfire or gas backflow of the torch system.
The velocity seal is a dry gas seal that minimizes the amount of purge gas used to prevent air infiltration from the flare tip outlet by reducing the local flow area and changing the direction of air infiltration flow.
The molecular sealer is a dry gas seal that uses light gas trapped in the reversing space to prevent air from displacing the lighter gas in the flare, minimizing the amount of purge gas that is used to prevent air infiltration from the flare tip outlet.
The sealing principle of the speed sealer is different from that of the molecular sealer. The speed sealer is difficult to form good throttling effect when the flow of the torch gas is too small; the bell-type molecular sealer has the risk that the bell falls off to cause the torch to hold the pressure.
Chinese patent CN201110226936.2 discloses a baffle plate molecule sealer of a flare gas system, which comprises a shell (8), wherein the lower end of the shell (8) is provided with an inlet flange (1), the other end of the shell is provided with an outlet flange (10), and the sealer is characterized in that an upward baffle plate (12) is arranged at the inlet at the lower end of the shell (8), the upward baffle plate (12) consists of an upward inclined arc plate and an upward straight plate, one end of the upward inclined arc plate is connected with the inlet at the lower end of the shell (8), the upward straight plate is connected with the arc plate, a downward baffle plate (9) is arranged at the outlet at the upper end of the shell (8), the downward baffle plate (9) consists of a downward inclined arc plate and a downward straight plate, one end of the downward inclined arc plate is connected with the outlet at the upper end of the shell (8), and a passage (16) and a downward passage (17) for upward movement of flare gas are formed between the upward baffle plate (12) ). The utility model discloses simple structure, light in weight, the security is good. However, the sealing device is a pure molecular sealing device, when the flare gas runs at a small flow, air easily passes through the molecular sealing device to cause sealing failure, and the flare explosion is easily generated when the flare gas meets an ignition source under the working condition.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a safe and reliable torch discharge system sealer by combining the sealing mechanism of molecular sealer and speed sealer and adopting the mode of combining speed sealer and molecular sealer.
The utility model provides a torch discharge system sealer, including the barrel of vertical setting, the barrel has the vertical container of circular head for both ends, and torch gas import is installed to barrel bottom head, and torch gas export, its characterized in that are installed to the top head: the sealer of the flare discharging system also comprises a lower baffle plate and an upper baffle plate, the lower part of the cylinder is also provided with a sewage discharge outlet and a nitrogen supplement port, the lower baffle plate and the upper baffle plate are both arranged on the inner wall surface of the cylinder, the lower baffle plate consists of an arc plate at the bottom and an inclined plate at the upper part, the inclined plate is tangent to the top of the arc plate, the bottom of the arc plate is arranged on a lower seal head of the cylinder and then extends towards the upper part of the cylinder, the inclined plate is tangent to the arc plate and continues to extend upwards, the upper baffle plate and the lower baffle plate are completely the same and have different installation positions, the arc plate of the upper baffle plate is arranged on the upper seal head of the cylinder, the inclined plate tangent to the arc plate is arranged below the cylinder, the lower baffle plate and the upper baffle plate are in a central symmetry structure in the cylinder, a tapered, the inclined plate of the lower baffle plate and the inclined plate of the upper baffle plate are mutually parallel to form a downward passage of flare gas, the downward passage is a molecular sealing section, an upward flowing divergent flow passage is formed between the inclined plate of the upper baffle plate and the cylinder body, and the bottom of the divergent flow passage is a secondary throttling opening.
The utility model relates to a torch discharge system sealer, its further technical characterized in that: the lower baffle plate and the upper baffle plate are arranged on the inner wall surface of the cylinder body in a welding mode.
The utility model relates to a torch discharge system sealer, its further technical characterized in that: the sectional areas of the primary throttling opening and the secondary throttling opening are not less than 0.25 time of the sectional area of the sealer, preferably 0.25-0.35 time of the sectional area of the sealer, and overlarge pressure drop in the sealer is prevented.
The utility model relates to a torch discharge system sealer, its further technical characterized in that: the drain outlet is positioned above the lowest point of the arc-shaped plate and the barrel of the baffle plate below, and is used for discharging impurities, condensate and the like falling from the torch barrel.
The utility model relates to a torch discharge system sealer, its further technical characterized in that: the nitrogen supplementing port is positioned at the lower end socket of the barrel body and at the inlet of the tapered flow passage and is used for supplementing nitrogen to maintain the micro-positive pressure of the flare barrel when the flare stops discharging.
The utility model relates to a torch discharge system sealer, its further technical characterized in that: the torch discharge system sealer also comprises a heating coil which is arranged at the lower part in the barrel and is used for preventing snow cover and the like falling off from the torch barrel in winter from being frozen and blocking a torch air circulation channel.
The utility model discloses there is following operating mode at the actual motion in-process:
a torch discharge system sealer, its advantage compared with prior art is: the lower baffle plate and the upper baffle plate of the utility model form a baffle channel in the cylinder body of the sealer; flare gas firstly flows upwards through a reducing flow passage formed by a lower baffle plate and the wall surface of the sealer and passes through a primary throttling opening, and is sealed at a first speed; then the flare gas turns downwards to pass through the inclined plate of the lower baffle plate and the inclined plate of the commercial side baffle plate to be mutually parallel to form a flare gas descending channel which is a molecular sealing section; finally, the flare gas flows upwards through a secondary throttling opening through a divergent flow passage formed by the upper baffle plate and the wall surface of the sealer, and is sealed at a second speed; then the flare gas flow burns to the flare tip, when the discharge amount of the flare gas is large, the flare gas has strong throttling at the secondary throttling port, air is difficult to enter a downstream channel of the sealer through the secondary throttling port, and the secondary speed sealing plays a role; when the discharge amount of the flare gas is small, the throttling effect at the secondary throttling port is weak, air possibly enters a descending channel of the sealer through the secondary throttling port and flows upwards, the air is heavier at the lower part, the flare gas is lighter at the upper part of the descending channel, and the molecular sealing is effective; when torch gas discharge volume reduces once more, the air can be through the downstream passageway upflow, and the throttle effect of a throttle mouth department is used at last this moment, and the sealed effect of first speed is played, at this moment according to the pressure variation in the torch section of thick bamboo supplement nitrogen gas through mending the nitrogen mouth, can prevent that the air from getting into torch section of thick bamboo lower part through a throttle mouth, consequently the utility model discloses combined the molecule sealed with the sealed dual function of speed, simple structure, sealing performance are good.
The structure layout, operation flow and innovation of the present invention will be further described with reference to the accompanying drawings and the detailed description, but the present invention is not limited thereto.
Drawings
Figure 1 is a front view of a flare stack system sealer (with heating coil) of the present invention.
Figure 2 is a front view of the flare stack system sealer of the present invention (without the heating coil).
Figure 3 is a three-dimensional view of the flare stack system sealer of the present invention (without the heating coil).
Wherein, in FIGS. 1 to 3: 1-flare gas inlet, 2-nitrogen gas supplement port, 3-sewage outlet, 4-flare gas outlet, 5-barrel, 6-heating coil, 7-lower baffle plate, 8-upper baffle plate, 9-reducing channel, 10-primary throttle orifice, 11-descending channel, 12-secondary throttle orifice and 13-increasing channel.
Detailed Description
Referring to fig. 1-3, the utility model relates to a torch discharge system sealer, barrel 5 including vertical setting, barrel 5 has the vertical container of circular head for both ends, and 5 bottom heads of barrel install torch gas inlet 1, and torch gas outlet 4 is installed to the top head, and 5 lower parts of barrel are provided with drain 3 and nitrogen gas and supply mouthful 2, and this torch discharge system sealer still includes below baffling board 7, top baffling board 8, and below baffling board 7 is installed (adopt the welding mode to install usually) in 5 internal faces of barrel with top baffling board 8 complete, and is fixed firm. The lower baffle plate 7 consists of an arc-shaped plate at the bottom and an inclined plate at the upper part, the inclined plate is tangent to the top of the arc-shaped plate, the bottom of the arc-shaped plate is arranged on a seal head at the lower part of the cylinder 5 and then extends towards the upper part of the cylinder 5, and the inclined plate is tangent to the arc-shaped plate and continues to extend upwards; the upper baffle plate 8 and the lower baffle plate 7 are completely the same and are arranged at different positions, the arc-shaped plate of the upper baffle plate 8 is positioned at the upper end socket of the cylinder 5, the inclined plate tangent to the arc-shaped plate is positioned below the cylinder 5, and the lower baffle plate 7 and the upper baffle plate 8 are in a central symmetry structure in the cylinder 5; an upward flowing tapered flow channel 9 is formed between the inclined plate of the lower baffle plate 7 and the cylinder body 5, and the top of the tapered flow channel 9 is provided with a primary throttling opening 10; the inclined plate of the lower baffle plate 7 and the inclined plate of the upper baffle plate 8 are mutually parallel to form a downward channel 11 of flare gas, which is a molecular sealing section; an upward flowing divergent flow passage 13 is formed between the inclined plate of the upper baffle plate 8 and the cylinder body 5, and the bottom of the divergent flow passage 13 is provided with a secondary throttling opening 12.
The arrangement of the arc-shaped plates of the lower baffle plate 7 and the upper baffle plate 8 is favorable for increasing the sectional area of the flare gas descending channel 11, the sectional areas of the primary throttling port 10 and the secondary throttling port 12 formed by the inclined plates and the wall surface of the cylinder 5 are not less than 0.25 time of the sectional area of the sealer, preferably 0.25-0.35 time of the sectional area of the sealer, and excessive pressure drop in the sealer is prevented.
The sewage draining outlet 3 is positioned above the lowest point of the connection between the arc-shaped plate of the lower baffle plate 7 and the barrel 5 and is used for draining impurities, condensate and the like falling from the torch barrel; the nitrogen supplementing port 2 is positioned at the lower seal head of the barrel 5 and at the inlet of the tapered flow passage 9 and is used for supplementing nitrogen to maintain the micro-positive pressure of the flare barrel when the flare stops discharging.
The inside heating coil 6 that is provided with of barrel 5 of torch discharge system sealer, heating coil 6 twines in the lower part of barrel 5 for prevent that the snow that the torch section of thick bamboo dropped in winter from freezing here and blockking up torch gas circulation passageway.
A torch discharge system sealer, its simple operating mode in the actual motion process is: when the discharge amount of the flare gas is large, the flare gas has strong throttling at the secondary throttling port 12, air is difficult to enter the sealer descending channel 11 through the secondary throttling port 12, and the secondary speed sealing is effective; when the discharge amount of the flare gas is small, the throttling effect at the secondary throttling port 12 is weak, air possibly enters the descending channel 11 of the sealer through the secondary throttling port 12 and flows upwards, the air is heavier at the lower part, the flare gas is lighter at the upper part of the descending channel 11, and the molecular sealing is effective; when the discharge amount of the flare gas is reduced again, the air flows upwards through the descending channel 11, the throttling effect at the primary throttling port 10 acts for the last time, the speed sealing at the first time acts, and the nitrogen is supplemented through the nitrogen supplementing port 2 according to the pressure change in the flare cylinder, so that the air is prevented from entering the lower part of the flare cylinder through the primary throttling port 10.
Claims (7)
1. The utility model provides a torch discharge system sealer, includes the barrel of vertical setting, and the barrel has the vertical container of circular head for both ends, and torch gas inlet is installed to barrel bottom head, and torch gas export, its characterized in that are installed to the top head: the sealer of the flare discharging system also comprises a lower baffle plate and an upper baffle plate, the lower part of the cylinder is also provided with a sewage discharge outlet and a nitrogen supplement port, the lower baffle plate and the upper baffle plate are both arranged on the inner wall surface of the cylinder, the lower baffle plate consists of an arc plate at the bottom and an inclined plate at the upper part, the inclined plate is tangent to the top of the arc plate, the bottom of the arc plate is arranged on a lower seal head of the cylinder and then extends towards the upper part of the cylinder, the inclined plate is tangent to the arc plate and continues to extend upwards, the upper baffle plate and the lower baffle plate are completely the same and have different installation positions, the arc plate of the upper baffle plate is arranged on the upper seal head of the cylinder, the inclined plate tangent to the arc plate is arranged below the cylinder, the lower baffle plate and the upper baffle plate are in a central symmetry structure in the cylinder, a, the inclined plate of the lower baffle plate and the inclined plate of the upper baffle plate are mutually parallel to form a downward passage of flare gas, the downward passage is a molecular sealing section, an upward flowing divergent flow passage is formed between the inclined plate of the upper baffle plate and the cylinder body, and the bottom of the divergent flow passage is a secondary throttling opening.
2. A flare discharge system sealer as claimed in claim 1, wherein: the lower baffle plate and the upper baffle plate are arranged on the inner wall surface of the cylinder body in a welding mode.
3. A flare discharge system sealer as claimed in claim 1, wherein: the sectional areas of the primary throttling opening and the secondary throttling opening are not less than 0.25 time of the sectional area of the sealer.
4. A flare discharge system sealer as claimed in claim 1 or 3, wherein: the sectional areas of the primary throttling opening and the secondary throttling opening are 0.25-0.35 times of the sectional area of the sealer.
5. A flare discharge system sealer as claimed in claim 1, wherein: the sewage draining port is positioned above the lowest point of the arc-shaped plate and the barrel of the baffle plate below.
6. A flare discharge system sealer as claimed in claim 1, wherein: the nitrogen supplementing port is positioned at the lower end socket of the cylinder and is positioned at the inlet of the reducing flow channel.
7. A flare discharge system sealer as claimed in claim 1, wherein: the flare discharge system sealer further comprises a heating coil disposed at a lower portion within the barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020761885.8U CN213395364U (en) | 2020-05-11 | 2020-05-11 | Torch discharge system sealer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020761885.8U CN213395364U (en) | 2020-05-11 | 2020-05-11 | Torch discharge system sealer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213395364U true CN213395364U (en) | 2021-06-08 |
Family
ID=76177582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020761885.8U Active CN213395364U (en) | 2020-05-11 | 2020-05-11 | Torch discharge system sealer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213395364U (en) |
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2020
- 2020-05-11 CN CN202020761885.8U patent/CN213395364U/en active Active
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