CN201844406U - Low-heating-value tail gas diffusing device - Google Patents
Low-heating-value tail gas diffusing device Download PDFInfo
- Publication number
- CN201844406U CN201844406U CN201020565664XU CN201020565664U CN201844406U CN 201844406 U CN201844406 U CN 201844406U CN 201020565664X U CN201020565664X U CN 201020565664XU CN 201020565664 U CN201020565664 U CN 201020565664U CN 201844406 U CN201844406 U CN 201844406U
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- Prior art keywords
- torch body
- tail gas
- igniter
- gas pipeline
- valve
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Abstract
The utility model discloses a low-heating-value tail gas diffusing device, which comprises a torch body, an igniter and a flame monitor. The flame monitor is arranged in the torch body, the igniter is arranged at an outlet of the torch body, the torch body is communicated with a tail gas pipeline and a natural gas pipeline, a molecular seal drum is arranged on the upper portion of the torch body, the bottom of the torch body is communicated with the tail gas pipeline, the top of the torch body is communicated with the natural gas pipeline, a water seal box and a sewage drain opening are arranged on the tail gas pipeline, the igniter is arranged on the natural gas pipeline, the igniter and the flame monitor are both connected with a local control cabinet, and the local control cabinet is connected with a remote control cabinet. Since the tail gas pipeline enters from the bottom of the diffusing torch, waste water after combustion flows back through the tail gas pipeline under dead gravity. As the water seal box and the sewage drain opening are arranged at the bottom of the tail gas pipeline, sewage formed from combustion is collected and treated, and potential safety hazards caused by the difficulty in discharging sewage are avoided.
Description
Technical field
The utility model relates to a kind of commercial plant safety and environmental protection facility, particularly a kind of waste gas bleeding device.
Background technology
Industries such as metallurgy, petrochemical industry, oil field, combustion gas accumulating all will be discharged a considerable amount of inflammable and explosive or toxic gases inevitably when ordinary production and accident, in order to prevent fire and blast, assurance equipment and personal safety, avoid contaminated environment simultaneously, must be provided with and diffuse flare system and handle these inflammable and explosive industrial waste gas and tail gas; Standard torch diffusion system by control section with diffuse torch assembly and form, control section is made up of program control cabinet, on-site control and by-pass valve control; Diffusing torch assembly is made up of torch body, hurricane globe, adpting flange, start-up burner, flame detecting device, igniter etc.In addition, pivoted arm is diffused torch assembly and is also comprised revoliving arm, rotary body and reducing gear, pedestal etc.; Steam smoke elimination formula is diffused torch assembly and is also comprised center steam jet, peripheral steam jet etc.; But still there is weak point in it: when waste gas burning, along with combustion process produces sewage, if large amount of sewage is hoarded for a long time in combustion pipe, be difficult to the even running of assurance device through regular meeting.Simultaneously, the waste gas of complicated component is directly fed the bleeding device internal combustion handle, be difficult to guarantee the stable and reliability of burning, there is certain potential safety hazard in system.
The utility model content
Goal of the invention of the present utility model is: at the problem of above-mentioned existence, provide that a kind of operation is safer, the better low heat value tail gas of treatment effect bleeding device.
The technical solution adopted in the utility model is such: a kind of low heat value tail gas bleeding device, comprise the torch body, igniter and be arranged on the intrinsic flame monitor of torch, igniter is arranged on the exit of torch body, the torch body is communicated with exhaust piping and natural gas line, torch body top is provided with molecular sealer, described torch body is communicated with exhaust piping in the bottom, described torch body is communicated with natural gas line at the top, described exhaust piping is provided with flashback tank and outfall, described natural gas line is provided with igniter, described igniter all is connected with on-site control with flame monitor, and described on-site control is connected with the Long-distance Control cabinet.
Described natural gas line is disposed with manual switchover valve, filter, security solenoid valve and electronic lighting valve along airflow direction, and described electronic lighting valve is connected with igniter; Take such structure, can control better and handle, improved the reliability and the security of system the combustion gas in the natural gas line;
Also be provided with altar lamp and wind-proof device on the described torch body, described altar lamp is provided with igniter and flame monitor; Take such structure, can whether be in fired state to altar lamp and monitor, be equipped with wind-proof device simultaneously, improved the reliability and the security of system;
Described molecular sealer is arranged on the torch body apart from top 3000mm place; Adopt such design, can make steam and natural gas and waste gas better mixing, make burning more abundant, layout is more reasonable;
Gas molecule in the described molecular sealer is an inert gas.
Gas molecule in the described molecular sealer is a steam.
Described molecular sealer is connected with jet chimney, and described jet chimney is provided with motor-driven valve and hand off valve; Adopt such structure, can carry out proportioning to the intrinsic gas of torch better, improve the efficient of burning
In sum, owing to adopted technique scheme, the beneficial effects of the utility model are: enter owing to the exhaust input tube road is arranged on from the bottom of bulk storage torch, the waste water that the burning back produces is owing to deadweight refluxes by exhaust piping, the exhaust piping bottom is provided with flashback tank and outfall, the formed sewage collecting that will burn is handled, avoided being difficult to discharge the potential safety hazard that causes because of sewage, while sewage also can be used as water seal liquid the soluble gas in the waste gas is absorbed, and has improved treatment of waste gas efficient.
Description of drawings
Fig. 1 is the schematic diagram of the utility model low heat value tail gas bleeding device;
Mark among the figure: torch body-1; Molecular sealer-2; Exhaust piping-3; Flashback tank-4; Electric control valve-5; Outfall-6; Jet chimney-7; Hand off valve-8; Motor-driven valve-9; Natural gas line-10; Filter-11; Security solenoid valve-12; Igniting motor-driven valve-13.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is done detailed explanation.
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Low heat value tail gas diffuses ignition system mainly by concentrated IGNITION CONTROL case, igniter, flame monitor, igniter burner, torch body 1, the igniting gas pipeline, various by-pass valve controls constitute, igniter is arranged on the head of torch body 1, the head of torch body 1 also is provided with corresponding wind-proof device and steady flame device, the top of torch body 1 is provided with altar lamp, the bottom of torch body 1 is communicated with exhaust piping 3, exhaust piping 3 is along being disposed with flashback tank 4 and electric control valve 5 on the approach axis of waste gas, electric control valve 5 with link to each other with the Long-distance Control cabinet with regard to cabinet, the waste gas that diffuses is behind exhaust piping 3 process flashback tanks 4 and electric control valve 5, enter torch body 1 from the bottom, along the flare tower column along being delivered to the top of torch body 1 and being lighted in the exit.The bottom of exhaust piping 3 also is provided with outfall 6, and outfall 6 is provided with controllable valve and is communicated to the outside.The top of torch body 1 is communicated with natural gas line 10, the outlet of torch body 1 is aimed in the exit of natural gas line 10, be disposed with manual switchover valve 8 along airflow direction, filter 11, security solenoid valve 12 and electronic lighting valve 13, the end of natural gas line 10 is provided with igniter, described electronic lighting valve 13 is connected with igniter, the mode of two-stage ignition is adopted in igniting, promptly earlier light altar lamp by igniter, light torch body 1 by altar lamp again, every altar lamp and torch body 1 are equiped with a flame detector respectively, to detect altar lamp and whether torch body 1 is lighted and normal combustion whether, when flame detector has detected fire, light a fire successfully, and the feedback corresponding signal; In the time of setting (being generally 10s) altar lamp is lighted, corresponding altar lamp flame detector detects flame, and this altar lamp is lighted a fire successfully; If corresponding altar lamp flame detector does not detect flame, this altar lamp loss of ignition then, delayed alarm and igniting once more so repeatedly, are lighted up to altar lamp.After lighting a fire successfully, system closing is arranged on the altar lamp valve on the altar lamp, and the companion who keeps torch body 1 one sides burns secondary torch and is in fired state.Torch body 1 is provided with molecular sealer 2, preferably, molecular sealer 2 is arranged on apart from 3000mm place, torch body 1 top, molecular sealer 2 is communicated with jet chimney 7, jet chimney 7 is disposed with hand off valve 8 and motor-driven valve 9 along the inflow direction of steam, when torch body 1 does not have fire, system opens the valve that purges steam, steam enters torch body 1 along jet chimney 7, fuel gas in pipeline 7 and the torch body 1 purges steam, molecular sealer 2 is started working simultaneously, thereby has stoped entering of air, reaches anti-backfire purpose.Be the emergent management fortuitous event, system can force start stop operation.
Wherein flame monitor is an intelligent temperature formula flame monitoring apparatus, comprise temperature-sensing probe corresponding compensation lead, temperature-sensing probe operating temperature≤1200 ℃, system handles the signal that the flame monitor probe is sent here, can accurately and timely reflect the flame situation of change.Low heat value tail gas bleeding device also comprises control system, control system is made up of Long-distance Control cabinet and on-site control, the Long-distance Control cabinet connects the valve of altar lamp and the secondary torch of companion's burning, altar lamp and the secondary torch of companion's burning are controlled, can finish the full-automatic igniting and the outfiring alarm of torch, on-site control connects the ignition installation and the valve of torch body 1 respectively, and it is carried out single-step operation.The Long-distance Control cabinet is that core is handled with PLC.PLC selects SIEMENS S7-200 for use, is arranged on the place away from torch body 1, utilizes its automatic igniting, auto extinguishing, outfiring alarm, flare up fire processing, long-range/as to switch on the spot, and functions such as manual switching are regulated and control device.On-site control is arranged near the torch body 1, be mainly used in the action of equipment on the spot in the control low heat value tail gas bleeding device, can realize on the spot/operated from a distance, the equipment that this switch board is controlled is equipped with corresponding action button and status indicator lamp on the switch board guidance panel, the flame detection signal is also showing on the cabinet panel on the spot.Diffuse ignition procedure by the control of the control valve opening of main discharge pipe, when control valve opening during greater than a certain value, system enters automatic ignition procedure, opens each drain valve on the natural gas line 10, and the while igniter is started working.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1. low heat value tail gas bleeding device, comprise the torch body, igniter and be arranged on the intrinsic flame monitor of torch, igniter is arranged on the exit of torch body, the torch body is communicated with exhaust piping and natural gas line, torch body top is provided with molecular sealer, it is characterized in that: described torch body is communicated with exhaust piping in the bottom, described torch body is communicated with natural gas line at the top, described exhaust piping is provided with flashback tank and outfall, described natural gas line is provided with igniter, described igniter all is connected with on-site control with flame monitor, and described on-site control is connected with the Long-distance Control cabinet.
2. low heat value tail gas bleeding device according to claim 1 is characterized in that: described natural gas line is disposed with manual switchover valve, filter, security solenoid valve and electronic lighting valve along airflow direction, and described electronic lighting valve is connected with igniter.
3. according to the low heat value tail gas bleeding device described in claim 1 or 2, it is characterized in that: also be provided with altar lamp and wind-proof device on the described torch body, described altar lamp is provided with igniter and flame monitor.
4. according to the low heat value tail gas bleeding device described in claim 1 or 2, it is characterized in that: described molecular sealer is arranged on the torch body apart from top 3000mm place.
5. according to the low heat value tail gas bleeding device described in claim 1 or 2, it is characterized in that: the gas molecule in the described molecular sealer is an inert gas.
6. according to the low heat value tail gas bleeding device described in claim 1 or 2, it is characterized in that: the gas molecule in the described molecular sealer is a steam.
7. according to the low heat value tail gas bleeding device described in claim 1 or 2, it is characterized in that: described molecular sealer is connected with jet chimney, and described jet chimney is provided with motor-driven valve and hand off valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020565664XU CN201844406U (en) | 2010-10-19 | 2010-10-19 | Low-heating-value tail gas diffusing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020565664XU CN201844406U (en) | 2010-10-19 | 2010-10-19 | Low-heating-value tail gas diffusing device |
Publications (1)
| Publication Number | Publication Date |
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| CN201844406U true CN201844406U (en) | 2011-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020565664XU Expired - Fee Related CN201844406U (en) | 2010-10-19 | 2010-10-19 | Low-heating-value tail gas diffusing device |
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| CN (1) | CN201844406U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102330991A (en) * | 2011-05-31 | 2012-01-25 | 黑龙江建龙钢铁有限公司 | Coal gas diffusion device capable of diffusing a plurality of coal gases |
| CN102588981A (en) * | 2012-03-12 | 2012-07-18 | 中国石油集团工程设计有限责任公司 | Venting system of single-well station and incineration process |
| CN104791811A (en) * | 2015-03-23 | 2015-07-22 | 七台河宝泰隆煤化工股份有限公司 | Torch system |
| CN109340788A (en) * | 2018-11-01 | 2019-02-15 | 临涣焦化股份有限公司 | A kind of coke oven emission igniter kept burning day and night |
| CN112113231A (en) * | 2019-06-19 | 2020-12-22 | 中国石油化工股份有限公司 | Torch monitoring system and monitoring method thereof |
-
2010
- 2010-10-19 CN CN201020565664XU patent/CN201844406U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102330991A (en) * | 2011-05-31 | 2012-01-25 | 黑龙江建龙钢铁有限公司 | Coal gas diffusion device capable of diffusing a plurality of coal gases |
| CN102588981A (en) * | 2012-03-12 | 2012-07-18 | 中国石油集团工程设计有限责任公司 | Venting system of single-well station and incineration process |
| CN102588981B (en) * | 2012-03-12 | 2014-03-12 | 中国石油集团工程设计有限责任公司 | Venting system of single-well station and incineration process |
| CN104791811A (en) * | 2015-03-23 | 2015-07-22 | 七台河宝泰隆煤化工股份有限公司 | Torch system |
| CN109340788A (en) * | 2018-11-01 | 2019-02-15 | 临涣焦化股份有限公司 | A kind of coke oven emission igniter kept burning day and night |
| CN112113231A (en) * | 2019-06-19 | 2020-12-22 | 中国石油化工股份有限公司 | Torch monitoring system and monitoring method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110525 Termination date: 20171019 |
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| CF01 | Termination of patent right due to non-payment of annual fee |