CN218034558U - Pipeline integrated heating device for emptying pipeline airflow - Google Patents
Pipeline integrated heating device for emptying pipeline airflow Download PDFInfo
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- CN218034558U CN218034558U CN202222235308.7U CN202222235308U CN218034558U CN 218034558 U CN218034558 U CN 218034558U CN 202222235308 U CN202222235308 U CN 202222235308U CN 218034558 U CN218034558 U CN 218034558U
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Abstract
The utility model provides a pipeline integrated heating device for emptying pipeline airflow, which belongs to the technical field of steam heaters, and comprises a shell (1) and a heating ring pipe (3), wherein the shell (1) adopts a cylindrical pipeline structure arranged horizontally, and two ends of the shell are respectively provided with a flange (2); a heating ring pipe (3) is arranged in the center of the inner cavity of the shell (1), and the heating ring pipe (3) and the shell (1) are coaxially arranged; a steam access pipeline (13) is arranged above the shell (1), and the steam access pipeline (13) extends downwards from the outside above the shell, penetrates through the wall of the shell (1), enters the inner cavity of the shell and is communicated with the heating ring pipe (3); the steam nozzles (4) are uniformly distributed on the pipe wall of one annular surface of the heating annular pipe (3), and the directions of all the steam nozzles (4) are consistent. The utility model discloses a carry out steam to low temperature blowdown gas and heat, guarantee torch blow-down pipeline safe operation, guarantee complete combustion, reduce environmental pollution.
Description
Technical Field
The utility model belongs to the technical field of steam heater technique and specifically relates to a pipeline integrated heating device of air release pipeline air current.
Background
Generally, most of medium-large coal chemical devices adopt low-temperature methanol washing and liquid nitrogen washing technologies to purify synthesis gas so as to meet the reaction requirement of a synthetic catalyst. The low-temperature methanol washing generally runs at about 60 ℃ below zero, and the liquid nitrogen washing generally runs at about 180 ℃ below zero, so as to realize the effects of desulfurization and decarburization.
In order to ensure safe operation or safe stop under the condition of abnormal production or accident, the vent gas with certain amount can be sent to the flare device for disposal through the vent pipeline.
Because the low-temperature methanol washing and the liquid nitrogen washing have higher operating temperature, the temperature of a flare pipeline is reduced, cold stress deformation and welding line cracking are generated in the process that low-temperature gas passes through the pipeline to reach a flare device, and the low-temperature gas is difficult to burn when being discharged by a flare combustor, so that the environmental pollution is caused.
Therefore, how to realize the steam heating of low-temperature emptying gas, protect a flare emptying pipeline, ensure complete combustion and reduce environmental pollution is a technical problem needing to be solved and optimized at present.
SUMMERY OF THE UTILITY MODEL
The technical task of the utility model is to solve the not enough of prior art, provide the pipeline integrated heating device of unloading pipeline air current.
The technical proposal of the utility model is realized in the following way, the pipeline integrated heating device of the air flow of the air release pipeline of the utility model structurally comprises a shell (1) and a heating ring pipe (3),
the shell (1) adopts a cylindrical pipeline structure which is horizontally arranged, and two ends of the shell are respectively provided with a flange (2);
a heating ring pipe (3) is arranged in the center of the inner cavity of the shell (1), and the heating ring pipe (3) and the shell (1) are coaxially arranged;
a steam access pipeline (13) is arranged above the shell (1), and the steam access pipeline (13) extends downwards from the outside above the shell, penetrates through the wall of the shell (1), enters the inner cavity of the shell and is communicated with the heating ring pipe (3);
a steam regulating valve (6) is arranged on the steam access pipeline (13);
the steam nozzles (4) are uniformly distributed on the pipe wall of one ring surface of the heating ring pipe (3), and all the steam nozzles (4) face towards the same direction;
the bottom of the heating circular pipe (3) is communicated with a steam discharge pipeline (8), and the steam discharge pipeline (8) extends downwards and penetrates out of the wall of the shell (1) to the outside below the shell (1);
the bottom of the shell (1) is communicated with a steam condensate collecting device (9), the steam condensate collecting device (9) is communicated with a liquid discharge pipe (14) downwards, and a liquid discharge regulating valve (11) is arranged on a pipeline of the liquid discharge pipe (14).
A shunt pipe (15) is arranged in parallel on the node of the steam access pipeline (13);
the wall of the shell (1) is distributed with a through-wall access short pipe (16);
each shunt tube (15) is respectively communicated with the wall-penetrating access short tubes (16) on the shell wall of the shell (1) in a one-to-one correspondence manner;
the wall-penetrating access short pipes (16) are respectively communicated with the circular pipe joint pipes (18) on the heating circular pipe (3) in a one-to-one correspondence way through steam access short pipes (17);
the circular pipe joint pipe at the bottom end of the heating circular pipe (3) is communicated with a wall penetrating discharge short pipe (19) through a steam discharge short pipe (5), and the exposed end of the wall penetrating discharge short pipe (19) is communicated with a steam discharge pipeline (8).
The wall penetrating access short pipe (16), the steam inserting short pipe (17), the heating ring pipe (3), the steam discharging short pipe (5) and the wall penetrating discharging short pipe (19) are all arranged on the same plane.
The shunt pipe (15) is provided with five parallel paths;
five positions of the wall penetrating access short pipe (16) are arranged on the wall of the shell;
five positions are arranged in the inner cavity of the shell of the steam access short pipe (17);
the steam discharging short pipe (5) is arranged at one position in the inner cavity of the shell;
the wall penetrating discharge short pipe (19) is provided with a position on the wall of the bottom end shell of the shell;
the wall penetrating access short pipe (16) and the steam access short pipe (17) of each path form a steam supply channel of the heating ring pipe (3);
the steam discharge short pipe (5) and the wall penetration discharge short pipe (19) form a steam discharge channel of the heating ring pipe (3);
five steam supply channels and one steam exhaust channel form a circle center six-equal-division structure on a circular ring of the heating circular pipe (3).
The steam condensate collecting device (9) adopts a collecting tank-shaped structure, the top end opening of the collecting tank (20) is communicated with the bottom wall of the shell (1), the tank body of the collecting tank (20) is connected with a liquid level pipe (21), and the liquid level pipe is provided with a liquid level meter (10).
The heating loop (3) has all steam nozzles (4) facing in the downstream direction of the housing (1).
Compared with the prior art, the utility model produced beneficial effect is:
the utility model discloses a pipeline integrated heating device of blow-down pipeline air current has realized carrying out steam heating to low temperature blow-down gas, guarantees torch blow-down pipeline safe operation, guarantees the complete combustion, reduces environmental pollution.
The utility model discloses a steam evenly sprays in the shell pipeline, heats low temperature air release, heats the low temperature air release by-60/-180 ℃ to more than 20 ℃, forms normal atmospheric temperature gas, sends to torch combustor burning discharge through torch air release pipeline.
(two) the utility model discloses a ring form heating ring canal sprays steam, and the heating ring canal possesses steam buffering memory function, also can heat the low temperature gas outside the heating ring simultaneously, forms the next door heat transfer.
And (III) the heating ring pipe of the utility model is uniformly provided with the wall-penetrating access short pipe, thereby facilitating the disassembly and the inspection and the overhaul.
(IV) the utility model discloses a steam nozzle has evenly been arranged to the heating ring canal, realizes on a large scale, large-traffic injection, with the better mixture of low temperature gas, transmits the heat fast.
(V) the utility model discloses a steam nozzle of heating ring canal divides the angle to arrange, when realizing the large tracts of land injection, forms the efflux, with higher speed the flow of low temperature gas.
And (VI) the shell of the utility model is in butt joint with the flange, and is easy to install, disassemble and maintain.
(VII) the heating ring pipe and the shell of the utility model are all provided with drainage, thereby avoiding accumulated liquid in the pipeline and forming corrosion.
(eight) the utility model discloses a shell is equipped with steam condensate collection device, and collection device is provided with the level gauge, and the export is provided with adjusting valve.
(nine) the utility model discloses a steam access pipeline is provided with steam control valve, can be according to the low temperature gas temperature and tolerance condition, perhaps the convenient regulation of technology demand.
The utility model discloses a pipeline integrated heating device of air release line air current reasonable in design, simple structure, safe and reliable, convenient to use, easy to maintain have fine using value widely.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural diagram of the present invention;
fig. 3 is a schematic structural diagram of the present invention.
The reference symbols in the drawings denote:
1. the steam-steam heating device comprises a shell, 2 flanges, 3 heating ring pipes, 4 steam nozzles, 5 steam discharge short pipes, 6 steam regulating valves, 7 heating ring drain pipes, 8 steam discharge pipelines, 9 steam condensate collecting devices, 10 liquid level meters, 11 liquid discharge regulating valves, 12 temperature detectors,
13. a steam access pipeline 14, a liquid discharge pipe 15, a shunt pipe 16, a wall penetrating access short pipe 17, a steam access short pipe 18, a circular pipe joint pipe 19, a wall penetrating discharge short pipe,
20. a collecting tank 21 and a liquid level pipe.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in the attached drawings, the pipeline integrated heating device for emptying the pipeline airflow of the utility model structurally comprises a shell 1 and a heating ring pipe 3,
the shell 1 adopts a horizontally arranged cylindrical pipeline structure, and two ends of the shell are respectively provided with a flange 2;
a heating ring pipe 3 is arranged in the center of the inner cavity of the shell 1, and the heating ring pipe 3 and the shell 1 are coaxially arranged;
a steam access pipeline 13 is arranged above the shell 1, and the steam access pipeline 13 extends downwards from the outside above the shell to penetrate through the wall of the shell 1 to enter the inner cavity of the shell and is communicated with the heating ring pipe 3;
the steam access pipeline 13 is provided with a steam regulating valve 6;
the wall of one ring surface of the heating ring pipe 3 is uniformly provided with steam nozzles 4, and all the steam nozzles 4 face the same direction;
the bottom of the heating ring pipe 3 is communicated with a steam discharge pipeline 8, and the steam discharge pipeline 8 extends downwards and penetrates out of the wall of the shell 1 to the outside below the shell 1;
the bottom of the shell 1 is communicated with a steam condensate collecting device 9, the steam condensate collecting device 9 is communicated with a liquid discharge pipe 14 downwards, and a liquid discharge regulating valve 11 is arranged on the pipeline of the liquid discharge pipe 14.
A shunt pipe 15 is arranged in parallel on the node of the steam access pipeline 13;
the wall of the shell 1 is distributed with a through-wall access short pipe 16;
the shunt tubes 15 are respectively communicated with wall-penetrating access short tubes 16 on the shell wall of the shell 1 in a one-to-one correspondence manner;
the wall penetration access short pipes 16 are respectively communicated with the ring pipe joint pipes 18 on the heating ring pipe 3 in a one-to-one correspondence way through steam access short pipes 17;
the circular pipe joint pipe at the bottom end of the heating circular pipe 3 is communicated with a wall penetrating discharge short pipe 19 through a steam discharge short pipe 5, and the exposed end of the wall penetrating discharge short pipe 19 is communicated with a steam discharge pipeline 8.
The wall penetration short pipe 16, the steam penetration short pipe 17, the heating ring pipe 3, the steam discharge short pipe 5 and the wall penetration short pipe 19 are all arranged on the same plane.
The shunt tube 15 is provided with five parallel paths;
five positions of the wall penetrating access short pipe 16 are arranged on the wall of the shell;
five positions are arranged in the inner cavity of the shell of the steam access short pipe 17;
the steam discharging short pipe 5 is provided with a position in the inner cavity of the shell;
the wall penetrating discharge short pipe 19 is provided with a position on the wall of the bottom end shell of the shell;
the wall-penetrating access short pipe 16 and the steam access short pipe 17 of each path form a steam supply channel of the heating ring pipe 3;
the steam discharging short pipe 5 and the wall penetrating discharging short pipe 19 form a steam discharging channel of the heating ring pipe 3;
five steam supply channels and one steam exhaust channel form a circle center six-equal-division structure on a circular ring of the heating circular pipe 3.
The steam condensate collecting device 9 adopts a collecting tank-shaped structure, the top end of the collecting tank 20 is opened and communicated with the bottom wall of the shell 1, the tank body of the collecting tank 20 is connected with a liquid level pipe 21, and the liquid level pipe is provided with a liquid level meter 10.
The utility model discloses the both ends flange of shell connects respectively and goes up downstream evacuation pipeline. And the steam nozzle 4 is arranged in the direction of the airflow outlet of the emptying pipeline according to the design direction. Each steam nozzle 4 is in threaded connection with the heating ring 3.
Low-temperature vent gas enters from an upstream flange inlet of the shell, the steam regulating valve 6 is gradually opened according to the temperature of the inner cavity of the shell, medium-temperature steam enters the heating ring pipe 3 from the steam access pipeline 13 and is sprayed out after being buffered and accumulated by the heating ring pipe 3, and the vent gas and the heating steam are fully mixed to heat the low-temperature gas; and is ejected from the downstream outlet direction of the housing, thereby increasing the temperature of the low-temperature gas and increasing the flow rate of the low-temperature gas. The medium temperature steam of excess pressure in the heating loop 3 is discharged from the steam discharge line 8. Condensate formed after the medium-temperature steam is cooled enters the steam condensate collecting device 9 and is discharged from the liquid discharge pipe 14.
The utility model discloses a working process specifically as follows:
1. the low-temperature gas of the emptying pipeline is discharged, and after the low-temperature gas flows through the temperature detector of the temperature point in the pipe of the shell, the steam regulating valve 6 is interlocked with the temperature change condition and is automatically opened according to the set temperature, and the medium-temperature steam enters the heating ring pipe 3 from the outer pipe.
2. After the steam enters the heating ring pipe 3, the heating ring pipe 3 has higher temperature, and the steam and the low-temperature gas primarily exchange heat to improve the temperature of the low-temperature gas.
3. Steam is after buffering and pressure accumulation in heating ring pipe 3, spouts from steam nozzle 4, and with low temperature air release intensive mixing, improve low temperature gas temperature, through the efflux effect, improve the low temperature gas velocity of flow simultaneously.
4. When the temperature of the low-temperature gas is increased, the steam regulating valve 6 interlocks the temperature change condition, automatically adjusts the opening degree according to the set temperature, and keeps the temperature to stably run.
5. After the low-temperature gas is exhausted and the temperature in the shell pipe is recovered to the normal temperature, the steam regulating valve 6 interlocks the temperature change condition and gradually closes until the temperature is completely closed.
6. The steam condensate enters a steam condensate collecting device 9, the steam condensate collecting device 9 is provided with a liquid level meter 10, a liquid discharge regulating valve 11 at the outlet of the steam condensate collecting device 9 is interlocked with a liquid level value, the interlocking liquid level value is automatically opened according to the set liquid level, and the steam condensate is discharged to an external pipe network.
7. When the liquid level of the steam condensate collecting device 9 is reduced to a set value, the outlet liquid discharge regulating valve 11 is gradually closed until the liquid level is completely closed.
Claims (7)
1. A pipeline integrated heating device for emptying pipeline airflow is characterized by comprising a shell (1) and a heating ring pipe (3),
the shell (1) adopts a cylindrical pipeline structure which is horizontally arranged, and two ends of the shell are respectively provided with a flange (2);
a heating ring pipe (3) is arranged in the center of the inner cavity of the shell (1), and the heating ring pipe (3) and the shell (1) are coaxially arranged;
a steam access pipeline (13) is arranged above the shell (1), and the steam access pipeline (13) extends downwards from the outside above the shell, penetrates through the wall of the shell (1), enters the inner cavity of the shell and is communicated with the heating ring pipe (3);
a steam regulating valve (6) is arranged on the steam access pipeline (13);
the steam nozzles (4) are uniformly distributed on the pipe wall of one ring surface of the heating ring pipe (3), and all the steam nozzles (4) face towards the same direction;
the bottom of the heating circular pipe (3) is communicated with a steam discharge pipeline (8), and the steam discharge pipeline (8) extends downwards and penetrates out of the wall of the shell (1) to the outside below the shell (1);
the bottom of the shell (1) is communicated with a steam condensate collecting device (9), the steam condensate collecting device (9) is communicated with a liquid discharge pipe (14) downwards, and a liquid discharge regulating valve (11) is arranged on a pipeline of the liquid discharge pipe (14).
2. The duct integrated heating unit for the flare line gas stream of claim 1, wherein:
a shunt pipe (15) is arranged in parallel on the node of the steam access pipeline (13);
the wall of the shell (1) is distributed with a through-wall access short pipe (16);
each shunt tube (15) is respectively communicated with the through-wall access short tubes (16) on the shell wall of the shell (1) in a one-to-one correspondence manner;
the wall penetration access short pipes (16) are respectively communicated with the ring pipe joint pipes (18) on the heating ring pipe (3) in a one-to-one correspondence way through steam access short pipes (17);
the circular pipe joint pipe at the bottom end of the heating circular pipe (3) is communicated with the wall penetrating discharge short pipe (19) through the steam discharge short pipe (5), and the exposed end of the wall penetrating discharge short pipe (19) is communicated with the steam discharge pipeline (8).
3. The duct integrated heating unit of the flare line gas stream of claim 2, wherein:
the wall penetrating access short pipe (16), the steam inserting short pipe (17), the heating ring pipe (3), the steam discharging short pipe (5) and the wall penetrating discharging short pipe (19) are all arranged on the same plane.
4. The duct integrated heating unit of the flare line gas stream of claim 3, wherein:
the shunt pipe (15) is provided with five parallel paths;
five positions of the wall penetrating access short pipe (16) are arranged on the wall of the shell;
five positions are arranged in the inner cavity of the shell of the steam access short pipe (17);
the steam discharging short pipe (5) is arranged at one position in the inner cavity of the shell;
the wall penetrating discharge short pipe (19) is provided with a position on the wall of the bottom end shell of the shell;
the wall penetrating access short pipe (16) and the steam access short pipe (17) of each path form a steam supply channel of the heating circular pipe (3);
the steam discharge short pipe (5) and the wall penetration discharge short pipe (19) form a steam discharge channel of the heating ring pipe (3);
five steam supply channels and one steam exhaust channel form a circle center six-equal-division structure on a circular ring of the heating circular pipe (3).
5. The duct integrated heating unit of the flare line gas stream of claim 1, wherein:
the steam condensate collecting device (9) adopts a collecting tank-shaped structure, the top end opening of the collecting tank (20) is communicated with the bottom wall of the shell (1), the tank body of the collecting tank (20) is connected with a liquid level pipe (21), and the liquid level pipe is provided with a liquid level meter (10).
6. The duct integrated heating unit of the flare line gas stream of claim 1, wherein:
the heating loop (3) has all steam nozzles (4) facing in the downstream direction of the housing (1).
7. The duct integrated heating unit for the flare line gas stream of claim 1, wherein:
a shell wall at the downstream end of the shell (1) is provided with a temperature detector (12) of the inner cavity of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222235308.7U CN218034558U (en) | 2022-08-25 | 2022-08-25 | Pipeline integrated heating device for emptying pipeline airflow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222235308.7U CN218034558U (en) | 2022-08-25 | 2022-08-25 | Pipeline integrated heating device for emptying pipeline airflow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218034558U true CN218034558U (en) | 2022-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222235308.7U Active CN218034558U (en) | 2022-08-25 | 2022-08-25 | Pipeline integrated heating device for emptying pipeline airflow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218034558U (en) |
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2022
- 2022-08-25 CN CN202222235308.7U patent/CN218034558U/en active Active
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