CN206692607U - A kind of gasification furnace four-way ignition system - Google Patents

A kind of gasification furnace four-way ignition system Download PDF

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Publication number
CN206692607U
CN206692607U CN201720496990.1U CN201720496990U CN206692607U CN 206692607 U CN206692607 U CN 206692607U CN 201720496990 U CN201720496990 U CN 201720496990U CN 206692607 U CN206692607 U CN 206692607U
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CN
China
Prior art keywords
passage
oxygen
burner
igniting
fuel gas
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Withdrawn - After Issue
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CN201720496990.1U
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Chinese (zh)
Inventor
宋文军
岳博
雷玉龙
岳军
王帅
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Beijing Chong Qing Jin Hua Technology Co Ltd
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Beijing Chong Qing Jin Hua Technology Co Ltd
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Priority to CN201720496990.1U priority Critical patent/CN206692607U/en
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Withdrawn - After Issue legal-status Critical Current
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Abstract

It the utility model is related to a kind of gasification furnace four-way ignition system, the ignition system includes burner and the igniting unit being connected respectively with the burner and four passages, and four passages include main oxygen and igniting oxygen passage, central oxygen passage, fuel gas passageway and water-coal-slurry passage.The gasification furnace four-way ignition system is made improvements by the pipeline passway being connected to burner and with burner, the ignition oven and operation phase for avoiding gasification furnace are carried out by changing mouth, the pipeline passway being connected simultaneously with burner, which is set, make it that gasification furnace overall operation is more steady, is easy to automation mechanized operation.

Description

A kind of gasification furnace four-way ignition system
Technical field
It the utility model is related to coal slurry gasifier equipment technical field, and in particular to a kind of gasification furnace four-way igniting system System.
Background technology
The efficient and clean utilization of coal is always the important topic in Environmental Protection in China and energy field, and influences China one One of key technology of secondary energy proportion structure.Coal gasification is one of main application of current coal in China, is by primary energy It is converted into the main path of more clean secondary energy sources.The pressurized gasification technology of water-coal-slurry, it is exactly with oxidant and water-coal-slurry The reactor of air flow bed is sprayed to very high speed after process burner mixes, in the incomplete oxidation of high temperature and high pressure In the case of be converted into effective gas as carbon monoxide, the synthesis gas of hydrogen, be the side that uses of Coal Clean generally acknowledged in the world today One of formula.
In the state of the art, baker and coal slurry the input stage of coal slurry gasifier generally use two respectively Burner is carried out:Ignition oven burner baker is first used, after furnace temperature reaches preparatory condition, baker burner is pulled down, is loaded on coal slurry Run burner (process burner) and carry out coal gasification operation.Its shortcoming is to change the inconvenience of mouth process, and the time of putting into operation is longer, changes mouth in addition Process is dangerous, easily causes potential safety hazard.
Application publication number is that CN 101709229A Chinese patent literature is related to a kind of water with long period service life Coal slurry process burner and its processing method.The process burner by be coaxially nested with the interior burner with streamlined preceding closing in end, in Burner and outer burner are formed, wherein, wear-resistant coating is coated with respectively in the middle burner internal face and outer burner outside wall surface, is led to Cross spraying of wearable coating and improve performance of the process burner under its bad working environments.The program only carries in itself to process burner Go out to improve, do not solve gasification furnace ignition oven and operating mechanism fundamentally, be still unavoidable from changing mouth process and bring not Just and safety problem.
It is a kind of for water-coal-slurry cold wall gasification furnace that application publication number is that CN 105647586A Chinese patent literature is related to Igniter.The burner of the technical scheme is still divided into process burner and igniting startup burner so that gasification furnace structure is more complicated.
To sum up, there is a need in the art for the ignition system to existing coal slurry gasifier and burner to be improved, and avoids Existing gasification furnace changes inconvenience and the safety problem that mouth process is brought, while make it that the ignition oven of gasification furnace and operation are more flat Surely, operation facility.
Utility model content
The purpose of this utility model is solve above-mentioned the deficiencies in the prior art, there is provided a kind of gasification furnace four-way Ignition system, the gasification furnace four-way ignition system are made improvements by the pipeline passway being connected to burner and with burner, avoided The ignition oven of gasification furnace and operation phase are carried out by changing mouth, while the pipeline passway being connected with burner sets and makes to bring about the desired sensation It is more steady to change stove overall operation, is easy to automation mechanized operation.
To achieve the above object, the utility model provides a kind of gasification furnace four-way ignition system, the ignition system The igniting unit and four passages being connected including burner and respectively with the burner, four passages include main oxygen and igniting Oxygen passage, central oxygen passage, fuel gas passageway and water-coal-slurry passage, wherein, the main oxygen and igniting oxygen passage lead to including main oxygen Road and the igniting oxygen pipeline bridged on main oxygen passage, the head end for oxygen pipeline of lighting a fire and end are all located on main oxygen passage;It is described Central oxygen passage is separated from main oxygen passage, and the head end of central oxygen passage is located on main oxygen passage, the end of central oxygen passage End is connected to burner with main oxygen channel end.
The above main oxygen is also referred to as outer epoxy;The igniting oxygen is also used for baker, therefore also referred to as ignition oven oxygen.
Further, the burner is four-way burner, and four passages in the burner are same from burner center to edge The heart is set, and four passages from burner center to edge are respectively connecting to central oxygen passage, fuel gas passageway, water-coal-slurry passage And main oxygen and igniting oxygen passage.In one embodiment, four passages in the burner are same from burner center to edge The heart is set, and four passages from burner center to edge are respectively connecting to fuel gas passageway, central oxygen passage, water-coal-slurry passage And main oxygen and igniting oxygen passage.
Further, there is nitrogen respectively on the main oxygen passage, igniting oxygen pipeline, central oxygen passage and fuel gas passageway Protective separation device, the nitrogen protective separation device include being connected to nitrogen protection circuit on above-mentioned passage or pipeline and It is located on above-mentioned passage or pipeline and respectively two stop valves of corresponding nitrogen protection circuit both sides, wherein, the nitrogen is protected Also there is stop valve on shield circuit.
Further, the main oxygen passage, igniting oxygen pipeline and fuel gas passageway on nitrogen protective separation device it Preceding have an emptying device respectively, and the emptying device includes the emptying circuit being connected on above-mentioned passage or pipeline and described put Emptying stop valve on ceases to be busy road.
Further, the main oxygen passage, igniting oxygen pipeline and fuel gas passageway on emptying device before respectively according to It is secondary that there is regulating valve and flowmeter;There is flowmeter and regulation successively after two stop valves on the central oxygen passage Valve.
Further, on the igniting oxygen pipeline and fuel gas passageway, the regulating valve and flowmeter are respectively adopted two Group mode in parallel is set.Wherein every two groups of regulating valves in parallel are divided into the regulating valve of two kinds of flow control of size, with right respectively It should light a fire and baker program.For example, ignition procedure uses the igniting oxygen valve and fuel gas regulating valve of Small Flow Control;Baker The baker oxygen valve and fuel gas regulating valve that program is controlled using big flow.
Further, also have respectively after the nitrogen protective separation device on the main oxygen passage and fuel gas passageway One nitrogen purging circuit being connected on main oxygen passage and fuel gas passageway;Apart from the distal end of burner on the main oxygen passage Also there is the total stop valve of oxygen.
Further, the water-coal-slurry passage includes water-coal-slurry recycle circuit, two two stop valves and nitrogen guarantor successively Circuit is protected, is then attached to burner.Water-coal-slurry circulating valve is carried on the water-coal-slurry recycle circuit, after unlatching water-coal-slurry is existed Circulated on water-coal-slurry recycle circuit.
Further, the igniting unit includes ignition coil, fire rod propulsion cylinder and fire rod successively, then connects To burner.In one embodiment, fire rod is stretched under the driving of fire rod propulsion cylinder in the central oxygen passage of burner. In ignition procedure, fire rod is promoted by fire rod propulsion cylinder and moves down certain distance, then passes to fuel gas and oxygen, Ignition coil is struck sparks, and after fire is lighted, ignition coil power-off, fire rod is retracted in situ.
Further, the gasification furnace four-way ignition system also includes the flame detection unit by burner, the flame Detection unit includes two flame interlock, flame detector and sense channel stop valves being sequentially connected, and is then attached to Gasification furnace.In one embodiment, above-mentioned two stop valves of sense channel are configured so that remote manual control before ignition Open, closed automatically after gasification furnace pressure is raised to 1.0MPa.In one embodiment, the flame detection unit is two Group;In another embodiment, the flame detection unit is automatic flame detection unit, and also carries camera monitor system System.
The utility model additionally provides a kind of operation method of gasification furnace four-way ignition system, and methods described includes igniting Baker step, coal slurry material addition step and fuel gas exit step, wherein,
The ignition oven step includes:
The emptying stop valve that circuit is vented on fuel gas passageway and igniting oxygen pipeline is opened, respectively with fuel gas passageway and point Regulating valve on fiery oxygen pipeline establishes fuel gas and oxygen flow by the oxygen combustion ratio of setting;Burner on fuel gas passageway is opened successively Near-end stop valve, the stop valve of nitrogen protection circuit on fuel gas passageway is closed, open burner distal end on fuel gas passageway and cut off Valve, close on fuel gas passageway and be vented the emptying stop valve of circuit;Booster coil;Burner on igniting oxygen pipeline is opened successively Near-end stop valve, the stop valve of nitrogen protection circuit on igniting oxygen pipeline is closed, open burner distal end on igniting oxygen pipeline and cut off Valve, close on igniting oxygen pipeline and be vented the emptying stop valve of circuit;When flame detector detects flame, or manually by taking the photograph It after seeing flame as monitor system, such as can be confirmed by pressing " igniting manual confirmation button ", be lighted a fire successfully.
The coal slurry material addition step includes:
Respectively water-coal-slurry flow and oxygen flow are established by the oxygen coal ratio of setting;It is near that burner on water-coal-slurry passage is opened successively Stop valve is held, closes two stop valves of nitrogen protection circuit on main oxygen passage, burner distal end on water-coal-slurry passage is opened and cuts off Valve, the water-coal-slurry circulating valve closed on water-coal-slurry recycle circuit;Then burner near-end stop valve on main oxygen passage is opened in order, Close on main oxygen passage and be vented the stop valve of circuit, open burner distal end stop valve on main oxygen passage;Above-mentioned valve in place after, coal slurry Feed intake success.
The fuel gas exit step includes:
The stop valve of nitrogen purging circuit on fuel gas passageway is opened, opens burner near-end stop valve on central oxygen passage, Purge corresponding burner channel;Two stop valves on two stop valves and fuel gas passageway are closed on igniting oxygen pipeline, open fuel The stop valve of nitrogen protection circuit on gas passage and igniting oxygen pipeline;Above-mentioned valve in place after, open central oxygen passage on burner it is remote Stop valve is held, closes the stop valve of nitrogen purging circuit on fuel gas passageway, nitrogen protection circuit on closing center's oxygen passage Stop valve;Above-mentioned valve in place after, fuel gas exits success.
Further, the operation method of gasification furnace four-way ignition system also includes step of stopping in emergency, described promptly to stop Car step is divided into the ignition oven stage and coal slurry feeds intake and the step of stopping in emergency in stage is exited with fuel gas, wherein,
The step of stopping in emergency in the ignition oven stage includes (starting simultaneously at action, no sequencing with lower valve):
Two stop valves on two stop valves and fuel gas passageway are closed on igniting oxygen pipeline, close fuel gas passageway and point The emptying stop valve of circuit is vented on fiery oxygen pipeline;Open fuel gas passageway, central oxygen passage, igniting oxygen pipeline on nitrogen protection The stop valve of circuit;Open the stop valve of nitrogen purging circuit on main oxygen passage and closed after being delayed 25 seconds;Central oxygen is opened to lead to On road two stop valves and be delayed 25 seconds after close.
The coal slurry feed intake with fuel gas exit the stage stop in emergency step include (action is started simultaneously at lower valve, Without sequencing):
Close two stop valves on main oxygen passage;Delay closes two stop valves on water-coal-slurry passage in 1 second;Main oxygen is opened to lead to Nitrogen purges the stop valve of circuit and closed after being delayed 25 seconds on road;Delay is opened on water-coal-slurry passage in two stop valves for 7 seconds Nitrogen purging stop valve, purging 10 seconds after close;
If before fuel gas exits, coal slurry feeds intake to stop in emergency with the fuel gas stage of exiting, then the igniting is performed simultaneously The step of stopping in emergency in baker stage.
In one embodiment, when the timer that stops in emergency was equal to 7 seconds, nitrogen protective wire on water-coal-slurry passage is opened The stop valve on road, purging are closed after 10 seconds;Two stop valves on central oxygen passage are opened, delay is closed after 25 seconds;Opening center The stop valve of nitrogen protection circuit on oxygen passage.Stopping in emergency for stage is exited for fuel gas, it is also same before fuel gas exits The step of stopping in emergency in ignition oven stage described in Shi Zhihang.
Tthe utility model system has the following advantages that:
After four-way ignition system described in the utility model and corresponding technological process, igniting, baker can be automatically performed And coal slurry input, it is not necessary to change burner, save the time, add security again.In addition, settable two of gasification furnace is urgent Stop button:Igniting (baker) emergency stop push button, coal slurry put into operation and exit emergency stop push button with fuel gas, are put into operation in gasification furnace During, abnormal conditions, which occur, can press emergency stop push button, gasified boiler system is stopped to safe condition.
Brief description of the drawings
Fig. 1 is the structural schematic block diagram of gasification furnace four-way ignition system of the present utility model.
Fig. 2 is that the structure of an embodiment of gasification furnace four-way ignition system of the present utility model and technological process are shown It is intended to.
Reference is as follows, and except being otherwise noted in specification, identical letter represents the unit of identical energy in accompanying drawing;Letter Numeral below represents the numbering of unit:
Two stop valves of XV-;FV- regulating valves;FT- flowmeters;HPN- high pressure nitrogens;The total stop valve of HV- oxygen;BS- fire Flame interlock;BT- flame detectors;XZ- ignition coils.
Embodiment
The technical solution of the utility model and technology are further illustrated below by embodiment and with reference to accompanying drawing Effect.It should be understood that implementation below is used to illustrate the utility model, but it is not limited to the scope of the utility model.
Referring to Fig. 1, it is shown that the structural schematic block diagram of gasification furnace four-way ignition system of the present utility model.It is wherein described Four-way ignition system includes four-way burner and and the igniter (igniting unit) being connected respectively with the burner and four Individual passage, four passages include main oxygen and igniting oxygen passage (passage 3), central oxygen passage (passage 2), fuel gas passageway (passage 1) and water-coal-slurry passage (passage 4), wherein, the main oxygen and igniting oxygen passage (passage 3) include main oxygen (outer shroud oxygen) Passage and the igniting oxygen pipeline (igniting, baker oxygen) bridged on main oxygen passage, the head end for oxygen pipeline of lighting a fire and end all positions In on main oxygen passage;The central oxygen passage is separated from main oxygen passage, and the head end of central oxygen passage is located at main oxygen passage On, the end of central oxygen passage is connected to burner with main oxygen channel end.
Referring to Fig. 2, the gasification furnace process of feeding intake was divided into for three stages:Ignition oven, coal slurry feed intake and fuel gas exits.Entirely The programmed sequence that process is set according to SIS (safety instrumented systems) system is automatically performed.
Driving early gate original state:Main oxygen nitrogen protection valve (XV-1308), igniting oxygen nitrogen protection valve (XV-1328), Fuel gas nitrogen protection valve (XV-1365), central oxygen nitrogen protection valve (XV-1326) are opened, and remaining valve is closed.
Ignition oven:After ignition oven process conditions possess, fire inspection vent control valve (XV-1331, XV-1332) is opened, Down-firing initialization button is pressed, fuel gas atmospheric valve (XV-1361), igniting oxygen atmospheric valve (XV-1322) are opened, vaporized stove oxygen The total stop valve of gas (HV-1301) is controllable, and remote manual control is opened.Adjusted respectively with fuel gas regulating valve (FV-1362) and igniting oxygen Valve (FV-1331) regulation igniting fuel gas stream amount (FT-1362) and igniting oxygen flow (FT-1331).Built by the oxygen combustion ratio of setting After founding better fiery fuel gas and oxygen flow, button ignition switch is pressed, fire rod is under fire rod propulsion cylinder (XV-1366) driving Move down certain distance.Fire rod sequentially carries out following operation program afterwards in place:1st, the stop valve of fuel gas second (XV-1363) Open, fuel gas nitrogen protection valve (XV-1365) is closed;2nd, the stop valve of fuel gas first (XV-1362) is opened, fuel gas emptying Valve (XV-1361) is closed, while booster coil (XZ-1368);3rd, the stop valve of oxygen second (XV-1324) of lighting a fire is opened, point Fiery oxygen nitrogen protection valve (XV-1328) is closed;4th, the stop valve of oxygen first (XV-1323) of lighting a fire is opened, igniting oxygen emptying stop valve (XV-1322) close.When flame detector (BT-1361, BT-1362) detects flame, or manually pass through camera monitor After system sees flame, manual ignition success button is pressed, is lighted a fire successfully.Ignition coil (XZ-1368) powers off, and fire rod retracts original Position.Be gradually increased fuel gas and amount of oxygen enter the baker stage, when temperature reach feed intake necessary setting value and stablize one timing Between after enter second stage:Coal slurry feeds intake.
Coal slurry feeds intake:After ignition oven success, coal slurry entry condition possesses, and establishes water-coal-slurry by the oxygen coal ratio of setting respectively Flow and oxygen flow.The button that feeds intake is pressed, the stop valve of water-coal-slurry second (XV-1303) is opened successively, closes main oxygen nitrogen guarantor Valve (XV-1308) is protected, the stop valve of water-coal-slurry first (XV-1302) is opened, when the valve position of the stop valve of water-coal-slurry first (XV-1302) During more than 50%, water-coal-slurry circulating valve (XV-1301) is closed.Above valve in place after, coal slurry enters stove timer and starts timing, arrives Up to after the time of setting, the main stop valve of oxygen second (XV-1306) is opened in order, closes main oxygen atmospheric valve (XV-1307), works as master The valve position of oxygen atmospheric valve (XV-1307) it is small 70% when, open the main stop valve of oxygen first (XV-1305).The main stop valve of oxygen first, After two stop valves are opened, main oxygen atmospheric valve is closed in place, coal slurry feeds intake success, into the phase III:Fuel gas exits.
Fuel gas exits:Fuel gas exit button is pressed, valve acts according to setting program:It is first turned on fuel gas nitrogen Blow down valve (XV-1364) and the stop valve of central oxygen second (XV-1329), start to purge corresponding burner channel, are then switched off lighting a fire Oxygen stop valve (XV-1323, XV-1324) and fuel gas stop valve (XV-1362, XV-1363), open fuel gas nitrogen protection valve (XV-1365), light a fire oxygen nitrogen protection valve (XV-1328), above valve in place after, open the first stop valve of central oxygen (XV- 1327) fuel gas nitrogen purge valve (XV-1364) and central oxygen nitrogen protection valve (XV-1326), are finally turned off.Ignition oven Fuel gas stop valve (XV-1362, XV-1363) and igniting oxygen stop valve (XV-1323, XV-1324) are closed, and central oxygen twice are cut Disconnected valve (XV-1327, XV-1329) is opened, fuel gas nitrogen purge valve (XV-1364) and central oxygen nitrogen protection valve (XV- 1326) close, above valve in place after, fuel gas exits success.
Gasification furnace stops in emergency:
In the ignition oven stage, by down-firing (baker) emergency stop push button, perform igniting (baker) and stop in emergency program (action, no sequencing are started simultaneously at lower valve):Igniting oxygen stop valve (XV-1323, XV-1324) and fuel gas stop valve (XV-1362, XV-1363) is closed;Fuel gas atmospheric valve (XV-1361), igniting oxygen atmospheric valve (XV-1322) are closed;Fuel gas Nitrogen protection valve (XV-1365), igniting oxygen nitrogen protection valve (XV-1328) are opened, central oxygen nitrogen protection valve (XV-1326) is beaten Open;The main nitrogen purge valve of oxygen second (XV-1320) is opened, and is delayed 25 seconds and is closed;Central oxygen twice stop valve (XV-1327, XV- 1329) open, be delayed 25 seconds and close.
Fed intake in coal slurry and exit the stage with fuel gas, pressed coal slurry and put into operation emergency stop push button, performed coal slurry and feed intake and fire Material gas exits program of stopping in emergency, while starts coal slurry and feed intake the timer that stops in emergency.Action, no elder generation are started simultaneously at lower valve Order afterwards:Main oxygen stop valve (XV-1305, XV-1306) is closed;Water-coal-slurry stop valve (XV-1302, XV-1303) is delayed 1 second and closed Close;Main oxygen nitrogen purge valve (XV-1320) is opened, and is delayed 25 seconds and is closed.Stop in emergency for coal slurry feeding stage, stop when promptly When car timer is equal to 7 seconds, water-coal-slurry nitrogen purge valve (XV-1321) is opened, purging is closed after 10 seconds;Central oxygen twice are cut off Valve (XV-1327, XV-1329) is opened, and is delayed 25 seconds and is closed;Central oxygen nitrogen protection valve (XV-1326) is opened.For fuel gas The stage is exited, before fuel gas exits, gasification furnace stops in emergency, and performing igniting simultaneously stops in emergency program.
Although above having made detailed description to the utility model with generality explanation and specific embodiment, On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art 's.Therefore, the these modifications or improvements on the basis of without departing from the utility model spirit, belonging to the utility model will Seek the scope of protection.

Claims (8)

1. a kind of gasification furnace four-way ignition system, the ignition system includes burner and the point being connected respectively with the burner Fiery unit and four passages, four passages include main oxygen and igniting oxygen passage, central oxygen passage, fuel gas passageway and water coal Starch passage, it is characterised in that the main oxygen and igniting oxygen passage include main oxygen passage and the igniting oxygen bridged on main oxygen passage Pipeline, the head end for oxygen pipeline of lighting a fire and end are all located on main oxygen passage;The central oxygen passage is isolated from main oxygen passage Come, the head end of central oxygen passage is located on main oxygen passage, and the end of central oxygen passage is connected to burner with main oxygen channel end.
2. gasification furnace four-way ignition system as claimed in claim 1, it is characterised in that the burner is four-way burner, Four passages in the burner are arranged concentrically from burner center to edge, and four from burner center to edge passage is distinguished Central oxygen passage, fuel gas passageway, water-coal-slurry passage and main oxygen and igniting oxygen passage are connected to, or is respectively connecting to fuel Gas passage, central oxygen passage, water-coal-slurry passage and main oxygen and igniting oxygen passage.
3. gasification furnace four-way ignition system as claimed in claim 2, it is characterised in that the main oxygen passage, igniting oxygen pipe There is nitrogen protective separation device respectively, the nitrogen protective separation device includes on line, central oxygen passage and fuel gas passageway The nitrogen protection circuit that is connected on above-mentioned passage or pipeline and it is located on above-mentioned passage or pipeline and respectively corresponding nitrogen Two stop valves of protection circuit both sides, wherein, also there is stop valve on the nitrogen protection circuit.
4. gasification furnace four-way ignition system as claimed in claim 3, it is characterised in that in the main oxygen passage, igniting oxygen There is emptying device respectively, the emptying device includes connection before nitrogen protective separation device on pipeline and fuel gas passageway The emptying stop valve on emptying circuit and the emptying circuit on to above-mentioned passage or pipeline.
5. gasification furnace four-way ignition system as claimed in claim 4, it is characterised in that in the main oxygen passage, igniting oxygen There is regulating valve and flowmeter successively respectively before emptying device on pipeline and fuel gas passageway;On the central oxygen passage Two stop valves after there is flowmeter and regulating valve successively.
6. gasification furnace four-way ignition system as claimed in claim 5, it is characterised in that in the igniting oxygen pipeline and fuel On gas passage, the regulating valve and flowmeter are respectively adopted two groups of modes in parallel and set;In the main oxygen passage and fuel gas Also there is the nitrogen being connected on main oxygen passage and fuel gas passageway respectively after nitrogen protective separation device on passage Purge circuit;Also there is the total stop valve of oxygen apart from the distal end of burner on the main oxygen passage.
7. gasification furnace four-way ignition system as claimed in claim 6, it is characterised in that the water-coal-slurry passage includes successively Water-coal-slurry recycle circuit, two two stop valves and nitrogen protection circuit, are then attached to burner;The igniting unit wraps successively Ignition coil, fire rod propulsion cylinder and fire rod are included, is then attached to burner.
8. gasification furnace four-way ignition system as claimed in claim 7, it is characterised in that the gasification furnace four-way igniting system System also includes the flame detection unit by burner, and the flame detection unit includes flame interlock, the flame being sequentially connected Two stop valves of detector and sense channel, are then attached to gasification furnace.
CN201720496990.1U 2017-05-05 2017-05-05 A kind of gasification furnace four-way ignition system Withdrawn - After Issue CN206692607U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106987282A (en) * 2017-05-05 2017-07-28 北京清创晋华科技有限公司 A kind of gasification furnace four-way ignition system and operation method
CN111057586A (en) * 2019-12-17 2020-04-24 北京航化节能环保技术有限公司 Coal water slurry gasification burner system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106987282A (en) * 2017-05-05 2017-07-28 北京清创晋华科技有限公司 A kind of gasification furnace four-way ignition system and operation method
CN106987282B (en) * 2017-05-05 2022-09-23 北京清创晋华科技有限公司 Four-channel ignition system of gasification furnace and operation method
CN111057586A (en) * 2019-12-17 2020-04-24 北京航化节能环保技术有限公司 Coal water slurry gasification burner system

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