CN201476028U - Safe recycle and discharge system for torch gas - Google Patents
Safe recycle and discharge system for torch gas Download PDFInfo
- Publication number
- CN201476028U CN201476028U CN200920231340XU CN200920231340U CN201476028U CN 201476028 U CN201476028 U CN 201476028U CN 200920231340X U CN200920231340X U CN 200920231340XU CN 200920231340 U CN200920231340 U CN 200920231340U CN 201476028 U CN201476028 U CN 201476028U
- Authority
- CN
- China
- Prior art keywords
- gas
- torch
- flare
- torch gas
- discharge system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Feeding And Controlling Fuel (AREA)
Abstract
A safe recycle and discharge system for torch gas comprises a liquid dividing tank (2) of the torch gas, an automatic control water-sealed valve (3), a gas holder (6) and a torch head (13), and is characterized in that the gas inlet end of the liquid dividing tank (2) of the torch gas is connected with a torch gas source through a torch-gas header pipe (1); one path of an output end of liquid dividing tank (2) of the torch gas is connected with the gas holder (6), and the other path thereof is connected with the torch head (13) through the automatic control water-sealed valve (3); an automatic control valve (4) and a torch-gas filtering tank (5) are further installed on a pipeline connecting the liquid dividing tank (2) of the torch gas and the gas holder (6); and an output end of the gas holder (6) is connected with a compressor (7), and an output end of the compressor (7) is connected with a gas appliance (8). In the utility model, the system has the advantages of simple structure, convenient manufacture and installation, safe utilization and the like, and is helpful in environment protection and energy conservation.
Description
Technical field
The utility model relates to a kind of environmental protecting device, especially a kind of recycle device at evil gas, specifically a kind of flare gas safe recovery and discharge system.
Background technology
As everyone knows, oil, chemical industry, chemical fertilizer, Coal Chemical Industry are mainstay of the national economy industries, in development and national economy, has very important effect, gas and solid waste that its product produces in production and use, as the torch gas and the polyolefin discarded object that must discharge, the waste of not only serious environment pollution, and the non-renewable resources that cause.
Petrochemical industry torch gas is a large amount of low boilings that produce in the petrochemical iy produced process, the hydrogen-containing gas of high heating value.These gases are that different device produces continuously, and generation is uncertain, if can not obtain timely emission treatment, can cause to build the pressure in the process units pipe network, run helter-skelter in pipeline as a runaway wild horse out of control, easily cause and leak burning and even explosion accident.Generation and expansion for preventing accident must be provided with the safety dumping passage---torch gas exhaust system.Burning fire torch gas produces serious thermal pollution to environment, simultaneously, handle as HCN, H2S, NH3, benzene class etc. and contain severe toxicity, high-risk, the formed combustion product H2S of stench medium torch gas, SO2, CO, CO2, NOX etc., environment, the mankind, crops are also produced very big harm.The thermal pollution that the torch gas firing causes directly influences peripheral crop growth, and photochemical pollution can cause human retina and come off, and the H2S leakage pollution can cause people's death by poisoning and die, and the benzene leakage pollution then is leukemic arch-criminal.Since 1996, China Petrochemical Industry begins to advocate torch gas and reclaims, but because technical reason reclaims 300,000 tons/year of torch gas scale less thaies at present.In recent years petrochemical industry, Coal Chemical Industry development rapidly; multinomial ten million ton of/year oil refining, 1,000,000 tons of/year ethene are about to go into operation; coal system methyl alcohol scale is developed to 1,000 ten thousand tons/year from 300,000 tons/year, and the task that environmental protection, non-renewable resources are utilized is gravely put in face of us.
Therefore; the recovery of torch gas is one and benefits the nation and the people; help the important measures of environmental protection and sustainable development; but because torch gas; the discharging of dropping a hint is a necessary security exhaust system; it is again an extremely instability; easily send out emergency system; uncontrollable factor system with more; therefore cause at present; although taked multiple measure; but still having every year a large amount of pernicious gases just to be discharged into without abundant burning forms the environmental protection accident and happens occasionally in the atmosphere; polluted production; urban environment is to factory's operating environment; surrounding resident health causes serious harm, the discharging of torch gas; the recovery system accident causes taking place serious security incident sometimes.
Summary of the invention
The purpose of this utility model is at existing flare gas recovery less stable, and the problem that easily causes accident to take place designs a kind of safe and reliable flare gas recovery system.
The technical solution of the utility model is:
A kind of flare gas safe recovery and discharge system, comprise that torch gas divides flow container 2, controls water-sealed valve 3, gas holder 6 and flare tip 13 automatically, it is characterized in that described torch gas divides the inlet end of flow container 2 to link to each other with source of the gas by torch gas house steward 1, torch gas divides the output one tunnel of flow container 2 to link to each other with gas holder 6, another road connects flare tip 13 by automatic control water-sealed valve 3, autocontrol valve 4 and torch gas filtering tank 5 also are installed connecting on the pipeline that torch gas divides flow container 2 and gas holder 6, the output termination compressor 7 of gas holder 6, the output termination gas equipment 8 of compressor 7.
On the port of export of the pipeline that connects flare tip 13 and water-sealed valve 3, molecular sieve 14 is installed.
Described flare tip 13 is a low heat value sour gas flare tip.
Described flare tip 13 is supported by installing flare tower frame 16, and flare tip has altar lamp 11, high-altitude ignition device 12.
The beneficial effects of the utility model:
(1) the utility model adopts water-sealed valve group control technology, has realized that torch gas reclaims, the automatic control of exhaust system, guarantees that torch gas discharges, recovery system is safe and reliable;
(2) the utility model has adopted " starve formula balance " technology, guarantees the stable operation of petrochemical industry flare gas recovery, reclaims torch and be so incensed that to make full use of;
(3) the utility model carries out online automatic detection by adopting advanced automatic control system reliably, uncontrollable torch gas exhaust system is become can detect and then controlled system, and what guaranteed air feed the existing angle of feeling suffocated of expanding steadily and not can occur;
(4) the utility model has adopted the low pressure filtering tank, has guaranteed recovery compressor assembly safety;
(5) the utility model has adopted safe and reliable molecular sieve Sealing Technology, can effectively prevent the flare tip tempering;
(6) by adopting the special-purpose flare tip of low heat value sour gas, make nonflammable harmful exhaust abundant burning and exhausting under small amount of fuel gas companion burns, save high-quality companion's fuel burning gas;
(7) the utility model also has simple in structurely, makes easy for installationly, helps series of advantages such as environmental protection and energy savings.
Description of drawings
Fig. 1 is a system architecture schematic diagram of the present utility model.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
As shown in Figure 1.
A kind of flare gas safe recovery and discharge system, comprise that torch gas divides flow container 2, automatically control water-sealed valve 3 (can adopt the authorized Chinese patent ZL200420079150.8 of applicant to be realized, details are as follows), gas holder 6 and flare tip 13 (can adopt low heat value sour gas flare tip), described torch gas divides the inlet end of flow container 2 to link to each other with source of the gas by torch gas house steward 1, torch gas divides the output one tunnel of flow container 2 to link to each other with gas torch 6, another road connects flare tip 13 by automatic control water-sealed valve 3, autocontrol valve 4 (it is steady to realize starving formula to regulate the tolerance that enter in the gas holder automatically according to the size of tolerance) and torch gas filtering tank 5 also are installed on connecting the pipeline that torch gas divides flow container 2 and gas holder 6 (further to be filtered advancing the torch gas that torch gas divided flow container 2 to filter, filtrate impurity is in order to avoid impact compressor), the output termination compressor 7 of gas holder 6, the output termination gas equipment 8 of compressor 7 is (as boiler, generating equipment etc.).Describedly on the port of export of the pipeline that connects flare tip 13 and water-sealed valve 3, molecular sieve 14 is installed, molecular sieve 14 generally is equipped with the upper end of torch cylindrical shell 15, torch cylindrical shell 15 is installed on the installing flare tower frame 16, the igniting of flare tip 13 is basic identical with existing technology, it comprises altar lamp 11, a high-altitude ignition device 12 and a combustion-supporting that links to each other with liquid gas storage tank 17, the high-altitude ignition device 12 wherein and the source of the gas of altar lamp 11 provide by liquid gas storage tank 17, high-altitude ignition device 12 is connected with the high pressure generator 10 that produces spark, and the igniting of altar lamp 11 is that the igniter 9 by ground ignites.
The automatic control water-sealed valve 3 of present embodiment generally is made up of shell body, interior water seal bucket, draining communicating valve (autocontrol valve), adjusting water seal, drain water seal.Water-sealed valve combines water seal and valve cuts off advantage.The large torch gas recovering device can switch with water-sealed valve, and the water seal height of water-sealed valve can be adjusted by system's hydraulic regime, and adjusting range is up to 2000-15000Pa.When reclaiming torch gas, the operation of water seal value---can move under 2000～15000Pa even higher water seal value by various discharging operating mode differences by this water seal value by setting for water-sealed valve.In case when needing discharging (generally control inlet duct pressure and reach certain value); water was let out in several seconds to the drainage point in the water sealed tank; make system return to former emissions status; arrange outside jar with 2～10 fens clock times again; water-sealed valve generally is provided with safe draining, safeguard protection, can also can operate in the control room on the spot.Shockproof, antifreeze and containment measures have been adopted in the water-sealed valve design, with assurance equipment and system's security of operation, reliable.The different influences that produce of back pressure when the discharging of many covering devices has been avoided in the effect of water-sealed valve vibrationproof have guaranteed stable, safety, the operation reliably of recovery system.Also avoided because when low discharge discharges, because of not reaching the minimum burning velocity that allows of flare tip, drop on imperfect combustion in the torch tube and influence the problems such as life-span of flare tip, and reduced since the ozone that imperfect combustion produces and other hazardous medium to the influence of environment.Adopt water-sealed valve can also fundamentally solve the problem of high temperature discharge, help environment protection standard and flare gas safe, fully burning.
The recovery system of present embodiment has adopted " starving the formula balance " technology, and determining to reclaim recovery of torch gas and use amount balance is that can flare gas recovery system by the key of re-set target safe operation.Although be provided with gas holder, the torch gas of recovery can not be stored substantially, uses generally unadjustable, what are received, what are used, the design use amount should be greater than yield, the assurance yield is in time used, and makes flare gas recovery and operative installations stable operation, reaches to starve the formula balance.
The core technology of the control technology that the concentrated safety of torch gas reclaims and discharges is automatic water-sealed valve technology.Because the flare discharge pipe diameter is big; the switching of flare system should not be used valve control; the open and close of valve are subjected to instrument wind; the influence of uncertain factors such as power supply; the dump in case have an accident; can not in time open as valve; very easily cause device discharging pipe network to build the pressure; cause fire or blast; the water seal technology is the most reliable safety means of torch gas exhaust system; core technology---the water-sealed valve control system has the effect of water seal and valve concurrently automatically; can guarantee that flare gas safe reclaims and switches; in system design process, strict waterpower is calculated and the various working analysis, guarantees that device is in various discharging operating modes; allow under the discharging back pressure; the discharging of torch gas; recovery can be adjusted independently of each other automatically, becomes torch gas exhaust system and is controllable state by uncontrollable state.
The sulfide hydrogen sour gas and the low heat value torch gas of flare tip treatment process device discharging simultaneously.In view of hydrogen sulfide in the sour gas need be 600～800 ℃ of abundant combustion decomposition, and burning needs a large amount of air-breathing characteristics, by rational combustion field tissue, technology torch gas or sour gas in flare tip burning continuous blow-down, refractory material with high accumulation of heat energy absorbs the heat that burning produces, guarantee that flare tip top recuperation layer reaches the temperature about 800 ℃, build stable temperature field, satisfy low-BTU gas as long as the requirement that this section of process just can burn cmpletely.Simultaneously, the sour gas flare tip adopts the fuel gas-air pre-mixing type burner be similar to Venturi nozzle, thus by normally/the torch gas suction air of accident condition discharging/the add purpose that combustion air reaches completing combustion.
Because the discharging of torch gas does not have rule to follow, its component, impurity, lime set content can not estimate that all in service in flare gas recovery system, the problem of often running into is to stop up, wherein except that the obstruction of pipeline, pipe fitting, more reluctant problem is the obstruction of compressor.Therefore adopt low pressure flare filtering tank can guarantee to reclaim the compressor safe operation.
The utility model does not relate to the part prior art that maybe can adopt all same as the prior art to be realized.
Claims (4)
1. flare gas safe recovery and discharge system, comprise that torch gas divides flow container (2), automatically control water-sealed valve (3), gas holder (6) and flare tip (13), it is characterized in that described torch gas divides the inlet end of flow container (2) to link to each other with the torch source of the gas by torch gas house steward (1), torch gas divides the output one tunnel of flow container (2) to link to each other with gas holder (6), another road connects flare tip (13) by controlling water-sealed valve (3) automatically, autocontrol valve (4) and torch gas filtering tank (5) also are installed connecting on the pipeline that torch gas divides flow container (2) and gas holder (6), the output termination compressor (7) of gas holder (6), the output termination gas equipment (8) of compressor (7).
2. flare gas safe recovery and discharge system according to claim 1 is characterized in that on the port of export of the pipeline that connects flare tip (13) and water-sealed valve (3) molecular sieve (14) being installed.
3. flare gas safe recovery and discharge system according to claim 1 is characterized in that described flare tip (13) is a low heat value sour gas flare tip.
4. flare gas safe recovery and discharge system according to claim 1 is characterized in that described flare tip (13) is supported by installing flare tower frame (16), and flare tip has altar lamp (11), high-altitude ignition device (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920231340XU CN201476028U (en) | 2009-08-26 | 2009-08-26 | Safe recycle and discharge system for torch gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920231340XU CN201476028U (en) | 2009-08-26 | 2009-08-26 | Safe recycle and discharge system for torch gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201476028U true CN201476028U (en) | 2010-05-19 |
Family
ID=42412280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920231340XU Expired - Fee Related CN201476028U (en) | 2009-08-26 | 2009-08-26 | Safe recycle and discharge system for torch gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201476028U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527929A (en) * | 2012-07-02 | 2014-01-22 | 中国石油化工集团公司 | Flare gas recovering water sealing system and method |
| CN105698197A (en) * | 2016-02-17 | 2016-06-22 | 浙江赛铬能源有限公司 | Light component removal tower noncondensable gas recycling system and method |
| CN106196099A (en) * | 2016-07-01 | 2016-12-07 | 山东东明石化集团有限公司 | Torch heat tracing system |
| CN109611873A (en) * | 2018-12-24 | 2019-04-12 | 贵州天福化工有限责任公司 | A kind of control method of flare system |
-
2009
- 2009-08-26 CN CN200920231340XU patent/CN201476028U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527929A (en) * | 2012-07-02 | 2014-01-22 | 中国石油化工集团公司 | Flare gas recovering water sealing system and method |
| CN103527929B (en) * | 2012-07-02 | 2016-01-13 | 中国石油化工集团公司 | A kind of flare gas recovery seal water system and method |
| CN105698197A (en) * | 2016-02-17 | 2016-06-22 | 浙江赛铬能源有限公司 | Light component removal tower noncondensable gas recycling system and method |
| CN105698197B (en) * | 2016-02-17 | 2017-12-26 | 浙江赛铬能源有限公司 | Lightness-removing column fixed gas recycling system and its method for recycling |
| CN106196099A (en) * | 2016-07-01 | 2016-12-07 | 山东东明石化集团有限公司 | Torch heat tracing system |
| CN106196099B (en) * | 2016-07-01 | 2018-09-18 | 山东东明石化集团有限公司 | Torch heat tracing system |
| CN109611873A (en) * | 2018-12-24 | 2019-04-12 | 贵州天福化工有限责任公司 | A kind of control method of flare system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101672478B (en) | Flare gas safe recovery and discharge system | |
| CN202546735U (en) | Biomass particle combustor | |
| CN201476028U (en) | Safe recycle and discharge system for torch gas | |
| CN104791811B (en) | A kind of flare system | |
| CN103557529A (en) | Pyrolyzed waste gas burning heat energy circulation and flue gas purification system | |
| CN202968509U (en) | Biogas combustion system applied to wastewater anaerobic treatment of brewery | |
| CN203718752U (en) | Smokeless combustion furnace capable of using both straw and marsh gas | |
| CN105509064A (en) | Chemical waste incinerator | |
| CN101514868A (en) | Roasting industrial furnace | |
| CN203927950U (en) | A kind of chemical industry torch fuel gas heat energy recycling system | |
| CN107120648B (en) | A kind of high-temperature biomass gas dedicated burner | |
| CN202598553U (en) | Intelligent fuel gas pulse shock wave soot blower | |
| CN202032592U (en) | Torch gas waste heat recovery utilizing apparatus | |
| CN205535842U (en) | Two room heat accumulation after burner of domestic waste | |
| CN202082935U (en) | Ignitable industrial waste gas boiler | |
| CN205279080U (en) | Gasification equipment and combustion system of liquid lighter hydrocarbons fuel | |
| CN201392091Y (en) | Roasting industrial furnace | |
| CN107218619B (en) | Boiler capable of utilizing waste heat of flue gas | |
| CN206247350U (en) | A kind of biogas mix flare burner | |
| CN109140496A (en) | It is a kind of to synthesize ignition of the boiler device of the ammonia relief gas as heat source | |
| CN103363797A (en) | Efficient energy-saving environment-friendly organic waste gas burning treatment device and system | |
| CN101140063B (en) | Gas composite wind matching type high-efficiency ground closed type torch | |
| CN207365051U (en) | A kind of auxiliary burner and standby firing system | |
| CN201462811U (en) | Inner flame type marsh gas combustor | |
| CN112284198A (en) | Safe and environment-friendly explosive burning system |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20170826 |