WO2022255109A1 - 放散ブリーダー及びコークス炉ガス燃焼方法 - Google Patents
放散ブリーダー及びコークス炉ガス燃焼方法 Download PDFInfo
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- WO2022255109A1 WO2022255109A1 PCT/JP2022/020758 JP2022020758W WO2022255109A1 WO 2022255109 A1 WO2022255109 A1 WO 2022255109A1 JP 2022020758 W JP2022020758 W JP 2022020758W WO 2022255109 A1 WO2022255109 A1 WO 2022255109A1
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- Prior art keywords
- gas
- ignition
- coke oven
- combustion
- diffusion
- Prior art date
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- 239000000571 coke Substances 0.000 title claims abstract description 105
- 238000009841 combustion method Methods 0.000 title claims abstract description 10
- 238000002485 combustion reaction Methods 0.000 claims abstract description 82
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 238000009792 diffusion process Methods 0.000 claims description 87
- 230000001737 promoting effect Effects 0.000 claims description 36
- 239000007789 gas Substances 0.000 description 200
- 230000001133 acceleration Effects 0.000 description 7
- 238000003763 carbonization Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000005338 heat storage Methods 0.000 description 5
- 239000003245 coal Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/50—Control or safety arrangements
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B27/00—Arrangements for withdrawal of the distillation gases
- C10B27/06—Conduit details, e.g. valves
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B45/00—Other details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
- F23G7/065—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/08—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases using flares, e.g. in stacks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/14—Gaseous waste or fumes
Definitions
- the present invention relates to a diffusion bleeder that burns coke oven gas and diffuses it into the atmosphere, and a coke oven gas combustion method using the diffusion bleeder.
- a coke oven has a structure in which there is a heat storage chamber in the lower part of the furnace body, and a carbonization chamber and a combustion chamber are arranged alternately in the upper part. Then, the fuel gas is burned in the combustion chamber, and coke is obtained by carbonizing the coal in the coking chamber adjacent to the combustion chamber.
- Coke oven gas generated by carbonization of coal is collected in a riser pipe installed in each coking chamber, and collected in a collection pipe called a dry main via a bend pipe.
- a pressure control valve in the air collection pipe which normally controls the pressure in the air collection pipe to 4 to 5 mmH 2 O to prevent explosion due to air entering from the outside. .
- the coke oven gas collected in the air collecting pipe is sent to the gas refining process via the intake blower.
- a diffusion bleeder is widely known as a device used for diffusion of coke oven gas.
- a general diffusion bleeder 100 as shown in FIG. , 20e, and a release valve 20 for releasing the coke oven gas in the air collecting pipe 10 to the atmosphere.
- the actuators 20d and 20e such as cylinders are used to open the dissipation valve 20. , radiate to the outside through the radiating tube 40 .
- the upper part of the diffusion pipe 40 has a double structure of an outer pipe 40a communicating with the atmosphere and an inner pipe 40b communicating with the source of coke oven gas. Due to the negative pressure generated by this, air is taken in from the gap between the outer tube 40a and the inner tube 40b.
- a pilot light for ignition is required to stably burn coke oven gas.
- an ignition gas supply device 60 having an ignition gas supply pipe 60a and an ignition gas supply valve 60b for supplying gas for seed ignition (hereinafter referred to as "ignition gas") above the outer tube 40a, Equipped with an ignition device 50 such as an igniter, the ignition gas is burned to form a seed light, and the combustible gas in the coke oven gas is made harmless by burning.
- ignition gas is continuously supplied so as not to extinguish the fire.
- the diffusion valve 20 is opened manually or using actuators 20d and 20e such as cylinders. Therefore, there is a problem that it takes a long time to actually open the diffusion valve 20 after the diffusion of the coke oven gas is required.
- Patent Document 1 by attaching a counterweight to the release valve to counteract the moment due to the self weight of the release valve, when the pressure of the coke oven gas in the air collection pipe rises, the valve automatically is open to dissipate coke oven gas into the atmosphere.
- Patent Document 2 an injection pipe for injecting a combustion promoting gas that promotes combustion inside the diffusion pipe is provided in the gap between the outer pipe and the inner pipe, thereby promoting combustion of coke oven gas. disclosed.
- the present invention has been made in view of such circumstances, and in the coke oven, the combustible gas contained in the coke oven gas is burned at the optimum timing, the incomplete combustion of the coke oven gas is suppressed, and the power and gas are reduced.
- An object of the present invention is to provide a diffusion bleeder and a coke oven gas combustion method that can suppress excessive use.
- a diffusion bleeder that burns coke oven gas collected in an air collection pipe and dissipates it into the atmosphere, the diffusion pipe being connected to the air collection pipe for circulating the coke oven gas;
- a release valve that opens the flow of the coke oven gas from the air collection pipe to the diffusion pipe, an ignition device that ignites the coke oven gas,
- An ignition gas supply device for supplying ignition gas for ignition into the diffusion pipe, a combustion promotion gas supply device for supplying combustion promotion gas for promoting combustion of the coke oven gas into the diffusion pipe, and the diffusion valve start to open.
- control device for controlling the ignition gas supply device, the ignition device, and the combustion promoting gas supply device, wherein the control device controls the release valve from the detector.
- receiving a detection signal to start opening transmitting a control signal instructing the ignition gas supply device to start supplying ignition gas, transmitting a control signal instructing the ignition device to initiate an ignition operation, and fully opening the release valve.
- a diffusion bleeder that receives the detection signal and transmits a control signal instructing the combustion promoting gas supply device to start supplying the combustion promoting gas.
- a coke oven gas combustion method for burning coke oven gas collected in a collection pipe in a diffusion pipe wherein when the pressure of the coke oven gas in the collection pipe reaches a set value, the A diffusion start detection step of detecting the start of opening of a diffusion valve provided between the air collection pipe and the diffusion pipe, an ignition gas supply step of starting supply of ignition gas for ignition into the diffusion pipe, and the ignition An ignition step of igniting the coke oven gas by igniting the gas as an ignition seed light, and a combustion promotion of promoting combustion of the coke oven gas after the completion of the ignition step and after detecting the full opening of the release valve. and a combustion promoting gas supply step of starting supply of gas into the diffusion pipe.
- the diffusion bleeder and the coke oven gas combustion method according to the present invention it is possible to start the ignition device, supply the ignition combustion gas, and supply the combustion promoting gas based on the opening of the diffusion valve.
- the combustible gas contained in the coke oven gas can be burned at the optimum timing, preventing incomplete combustion of the coke oven gas and suppressing excessive use of electric power and gas.
- FIG. 2 is a schematic diagram showing a cross-sectional view of a heat storage chamber and a carbonization chamber of the coke oven; It is a schematic diagram which shows an example of a structure of the diffusion bleeder which concerns on embodiment of this invention.
- FIG. 5 is a diagram showing an example of a flow chart at the time of starting combustion and stopping combustion of the diffusion bleeder according to the embodiment of the present invention.
- 1 is a flow chart showing a process flow of a coke oven gas combustion method according to an embodiment of the present invention;
- FIG. 3 is a schematic diagram showing the configuration of a conventional diffusion bleeder;
- FIG. 1 shows a cross-sectional view of the heat storage chamber 22 and the carbonization chamber 23 of the coke oven 21.
- a coke oven 21 has a heat storage chamber 22 in the lower part of the furnace body, and a combustion chamber (not shown) and a carbonization chamber 23 are alternately arranged in the upper part of the heat storage chamber 22 .
- Coke oven gas generated from the carbonization chamber 23 in the process of carbonization of coal passes through the riser pipe 24 and the bend pipe 25 and collects in the air collection pipe 1 called dry main.
- the release valve 2 is opened as an emergency measure, and the coke oven gas inside the air collecting pipe 1 is released into the atmosphere via the diffusion pipe 4. be dissipated.
- FIG. 2 is a schematic diagram showing an example of the diffusion bleeder 12 according to this embodiment.
- the diffusion bleeder 12 includes a diffusion valve 2 having a counterweight 2f, a diffusion pipe 4, an ignition device 5, an ignition gas supply device 6, a combustion promoting gas supply device 7, a detector 8 and a controller 11 .
- a diffusion pipe 4 that is connected to the air collection pipe 1 and allows the coke oven gas to flow is arranged above the diffusion valve 2 .
- the ignition gas supply device 6 supplies the ignition gas to the diffusion tube 4 and the ignition device 5 .
- the combustion-promoting gas supply device 7 supplies gas for promoting combustion of the coke oven gas (hereinafter referred to as "combustion-promoting gas").
- a detector 8 detects opening of the release valve 2 .
- the control device 11 controls the operations of the ignition device 5 , the ignition gas supply device 6 and the combustion promoting gas supply device 7 .
- the diffusion pipe 4 like the diffusion bleeder 100 described above with reference to FIG. It's becoming
- the release valve 2 consists of a casing 3 formed with an opening through which the coke oven gas passes, an open valve 2a called a flap that rotates around a rotating shaft 2b to open and close the opening 2c, and a link mechanism or the like to rotate the rotating shaft 2b.
- the opening actuator 2d and the closing actuator 2e for rotationally driving the connected open valve 2a are located on the opposite side of the open valve 2a with respect to the rotating shaft 2b, and oppose the moment due to the weight of the open valve 2a. and a striker 2g installed on the counterweight 2f and interlocking with the counterweight 2f.
- the counterweight 2f is provided to counteract the moment due to the weight of the open valve 2a.
- the opening valve 2a rotates to open the opening 2c as indicated by the dotted line in FIG.
- the set pressure means the pressure corresponding to the weight value obtained by subtracting the weight of the counterweight 2f from the weight of the open valve 2a.
- the opening 2c can also be opened by rotating the opening valve 2a by operating the opening actuator 2d. By operating the closing actuator 2e, the open valve 2a rotates to close the opening 2c.
- the ignition device 5 is provided on the upper part of the outer tube 4a and is composed of an igniter or the like provided for burning the coke oven gas inside the diffusion tube 4.
- the ignition gas supply device 6 is for supplying a small flow rate of coke oven gas (ignition gas) for igniting the coke oven gas to the ignition device 5.
- One end of the ignition gas supply pipe 6a is connected to the air collecting pipe 1, and the tip of the other end is protruded near the ignition device 5 inside the outer pipe 4a. Then, when the coke oven gas is diffused, the ignition gas supplied from the tip portion through the ignition gas supply valve 6b disposed in the middle of the ignition gas supply pipe 6a is ignited and burned by the ignition device 5, and the diffusion pipe 4 serves as a pilot light for igniting coke oven gas.
- the ignition gas may be a combustible gas such as oxygen instead of a small flow rate of coke oven gas.
- the combustion-promoting gas supply device 7 includes a combustion-promoting gas supply pipe 7a for supplying combustion-promoting gas from a gap between the outer pipe 4a and the inner pipe 4b, and a combustion-promoting gas provided in the combustion-promoting gas supply pipe 7a. It is equipped with a combustion promoting gas supply valve 7b for opening the flow of gas, and a compressor 7c for pumping the combustion promoting gas. When the coke oven gas is dissipated, the combustion promoting gas compressed by the compressor 7c flows from the gap between the outer tube 4a and the inner tube 4b together with surrounding gas such as air (hereinafter referred to as "associated gas ”). The combustion-promoting gas and the accompanying gas are mixed with the coke oven gas in the diffusion pipe 4 to promote complete combustion of the coke oven gas in the diffusion pipe 4 .
- the combustion promoting gas is not particularly limited as long as it is a gas, but it is preferably a non-flammable gas in order to prevent explosion and incomplete combustion within the outer tube 4a.
- a non-flammable gas consisting of at least one of air, nitrogen gas, and water vapor is preferred. Even when nitrogen gas is used as the combustion-promoting gas, the oxygen contained in the accompanying gas such as air reacts with the combustible gas in the coke oven gas as described above. Combustion is accelerated.
- the ignition seed light from the ignition device 5 and the ignition gas supply device 6 triggers the combustion of coke oven gas over a wide range inside the diffusion tube 4 .
- the supply of the combustion promoting gas from the combustion promoting gas supply device 7 to the inside of the diffusion pipe 4 through the gap between the outer tube 4a and the inner tube 4b also promotes the combustion of coke oven gas in a wide range inside the diffusion tube 4. It is.
- the ignition device 5 is started and the ignition gas supply device
- combustion of coke oven gas in a wide range inside diffusion pipe 4 can be efficiently promoted.
- the detector 8 detects opening and closing of the opening 2c by the open valve 2a of the release valve 2. and an open limit detector 8b for detecting the open state.
- the detector 8 is installed on the counterweight 2f located on the opposite side of the open valve 2a with respect to the rotating shaft 2b of the release valve 2, and the striker 2g interlocking with the counterweight 2f enters a detectable area. Detects the presence of Striker 2g.
- the close limit detector 8a can detect the striker 2g when the open valve 2a completely closes the opening 2c. It is installed in a position that deviates from the
- the open limit detector 8b rotates in the direction in which the open valve 2a moves away from the opening 2c and reaches the upper limit, and when the open valve 2a is fully open, the striker 2g can be detected, and the open valve 2a approaches the opening 2c.
- the striker 2g is installed at a position such that when it rotates in the direction to move away from the upper limit, the striker 2g is out of the detectable area.
- the closed limit detector 8a and the open limit detector 8b transmit detection signals to the control device 11 based on the detection of the striker 2g.
- the detection method of the striker 2g of the detector 8 may be either an optical non-contact method such as a laser or a contact method such as a limit switch.
- the control device 11 controls the ignition gas supply device 6, the ignition device 5, and the combustion acceleration gas supply device 7, and is composed of a general-purpose information processing device such as a computer including a CPU or a work station.
- a general-purpose information processing device such as a computer including a CPU or a work station.
- the control device 11 After receiving a detection signal indicating the start of opening of the release valve 2 from the detector 8, the control device 11 transmits a control signal instructing the start of supply of the ignition gas to the ignition gas supply device 6, and then ignites the ignition device 5. Sends control signals to direct operations. After the ignition operation is completed and the detection signal indicating that the diffusion valve 2 is fully open is received, a control signal is sent to the combustion promoting gas supply device 7 to instruct the start of supply of the combustion promoting gas.
- the ignition control device 11a of the control device 11 receives a detection signal indicating that the release valve 2 has started to open from the detector 8 (close limit detector 8a) (S1). Next, the ignition control device 11a transmits a control signal to the ignition gas supply valve 6b of the ignition gas supply device 6 to instruct opening of the valve for starting the flow of the ignition gas (S2). Further, the ignition control device 11a transmits a control signal to the ignition device 5 to instruct the start of the ignition operation (S3). The ignition control device 11a transmits an ignition operation completion signal to the combustion acceleration control device 11b (S4).
- the combustion promotion control device 11b After receiving a detection signal indicating that the release valve 2 is fully open from the detector 8 (opening limit detector 8b), the combustion promotion control device 11b transmits a control signal instructing to start the compressor 7c (S5). Furthermore, the combustion promotion control device 11b transmits a control signal to the combustion promotion gas supply valve 7b to instruct opening of the valve for starting the circulation of the combustion promotion gas (S6).
- the ignition device 5 and the ignition gas supply device 6 ignite the pilot fire for igniting the coke oven gas based on the transmission of each control signal from the ignition control device 11a. be.
- this ignition seed light stable ignition combustion of the coke oven gas that has flowed into the diffusion pipe 4 as the diffusion valve 2 is opened can be realized.
- the release valve 2 is fully opened and the combustion of the coke oven gas is stabilized, the supply of the combustion promoting gas by the combustion promoting gas supply device 7 is started. Extinguishing by supplying the promoting gas can be avoided, and complete combustion of the coke oven gas in the diffusion pipe 4 is promoted. That is, after detecting the opening start of the release valve 2 based on the increase in the internal pressure of the air collecting pipe 1, it is possible to control the ignition device 5, the ignition gas supply device 6, and the combustion acceleration gas supply device 7 at the optimum timing. . By controlling each device at this optimum timing, it is possible to prevent the combustible gas contained in the coke oven gas from being diffused into the atmosphere in a state of incomplete combustion.
- FIG. 3(b) is a flowchart when the diffusion bleeder 12 stops burning.
- the ignition control device 11a of the control device 11 receives from the detector 8 (close limit detector 8a) a detection signal indicating that the opening 2c is completely closed by the open valve 2a (S11). As a result, the ignition control device 11a transmits a control signal to the ignition gas supply valve 6b of the ignition gas supply device 6 to instruct closing of the valve for stopping the flow of the ignition gas (S12). Further, the ignition control device 11a transmits a control signal instructing the ignition device 5 to stop the ignition operation (S13). The ignition control device 11a transmits an ignition operation stop signal to the combustion promotion control device 11b (S14).
- the combustion acceleration control device 11b transmits a control signal instructing to stop the compressor 7c (S15). Further, after stopping the compressor 7c, the combustion promotion control device 11b transmits a control signal to the combustion promotion gas supply valve 7b to instruct closing of the valve to stop the circulation of the combustion promotion gas (S16).
- FIG. It may be configured to transmit to the acceleration gas supply device 7 and control the operation of each device.
- the coke oven gas combustion method performs the following steps, and burns the coke oven gas collected in the air collection pipe 1 in the diffusion pipe 4. As shown in FIG. It has a start detection step S21, an ignition gas supply step S22, an ignition step S23, and a combustion acceleration gas supply step S24. Each of these steps will be described below.
- the diffusion start detection step S21 detects the start of opening of the diffusion valve 2 provided between the collection pipe 1 and the diffusion pipe 4 when the pressure of the coke oven gas in the collection pipe 1 reaches a set value. It is a process to do.
- control device 11 of diffusion bleeder 12 performs step S1 shown in FIG. 3(a).
- the ignition gas supply step S22 is a step of starting to supply the ignition gas for ignition into the diffusion tube 4 .
- control device 11 of diffusion bleeder 12 performs step S2 shown in FIG. 3(a).
- the ignition step S23 is a step of igniting the ignition gas to use it as an ignition seed light to ignite the coke oven gas.
- control device 11 of diffusion bleeder 12 performs step S3 shown in FIG. 3(a).
- the combustion-promoting gas supply step S24 is a step of starting to supply combustion-promoting gas for promoting combustion of the coke oven gas into the diffusion pipe 4 after the ignition step (S23) is completed and the diffusion valve 2 is fully opened. is.
- control device 11 of diffusion bleeder 12 performs steps S4, S5 and S6 shown in FIG. 3(a).
- the ignition device 5, the ignition gas supply device 6, and the combustion acceleration gas supply device 7 can be controlled at the optimum timing based on the opening of the diffusion valve 2. can be implemented. Therefore, the combustible gas contained in the coke oven gas can be combusted at the optimum timing, the incomplete combustion of the coke oven gas can be suppressed, and the excessive use of electric power and gas can be suppressed.
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Abstract
Description
[1]集気管に集められたコークス炉ガスを燃焼させて大気中へ放散する放散ブリーダーであって、前記集気管に接続され、前記コークス炉ガスを流通させる放散管と、前記集気管における前記コークス炉ガスの圧力が設定された値になった際に、前記集気管から前記放散管への前記コークス炉ガスの流通を開放する放散弁と、前記コークス炉ガスに着火させる着火装置と、前記放散管内に着火用の着火ガスを供給する着火ガス供給装置と、前記コークス炉ガスの燃焼を促進する燃焼促進ガスを前記放散管内に供給する燃焼促進ガス供給装置と、前記放散弁の開放が開始されたことを検出する検出器と、前記着火ガス供給装置、前記着火装置および前記燃焼促進ガス供給装置を制御する制御装置と、を有し、前記制御装置は、前記検出器から前記放散弁の開放開始の検出信号を受信し、前記着火ガス供給装置に着火ガスの供給開始を指示する制御信号を送信し、前記着火装置に着火動作を指示する制御信号を送信し、前記放散弁の全開の検出信号を受信し、前記燃焼促進ガス供給装置に燃焼促進ガスの供給開始を指示する制御信号を送信する、放散ブリーダー。
[2]集気管に集められたコークス炉ガスを放散管にて燃焼させるコークス炉ガス燃焼方法であって、前記集気管における前記コークス炉ガスの圧力が設定された値になった際に、前記集気管と前記放散管との間に設けられた放散弁の開放の開始を検出する放散開始検出工程と、前記放散管内に着火用の着火ガスの供給を開始する着火ガス供給工程と、前記着火ガスに点火して着火用種火とし、前記コークス炉ガスに着火させる着火工程と、前記着火工程の完了後および前記放散弁の全開を検出した後に、前記コークス炉ガスの燃焼を促進する燃焼促進ガスを前記放散管内への供給を開始する燃焼促進ガス供給工程と、を有する、コークス炉ガス燃焼方法。
2 放散弁
3 ケーシング
4 放散管
5 着火装置
6 着火ガス供給装置
7 燃焼促進ガス供給装置
8 検出器
11 制御装置
12 放散ブリーダー
Claims (2)
- 集気管に集められたコークス炉ガスを燃焼させて大気中へ放散する放散ブリーダーであって、
前記集気管に接続され、前記コークス炉ガスを流通させる放散管と、
前記集気管における前記コークス炉ガスの圧力が設定された値になった際に、前記集気管から前記放散管への前記コークス炉ガスの流通を開放する放散弁と、
前記コークス炉ガスに着火させる着火装置と、
前記放散管内に着火用の着火ガスを供給する着火ガス供給装置と、
前記コークス炉ガスの燃焼を促進する燃焼促進ガスを前記放散管内に供給する燃焼促進ガス供給装置と、
前記放散弁の開放が開始されたことを検出する検出器と、
前記着火ガス供給装置、前記着火装置および前記燃焼促進ガス供給装置を制御する制御装置と、を有し、
前記制御装置は、前記検出器から前記放散弁の開放開始の検出信号を受信し、前記着火ガス供給装置に着火ガスの供給開始を指示する制御信号を送信し、前記着火装置に着火動作を指示する制御信号を送信し、前記放散弁の全開の検出信号を受信し、前記燃焼促進ガス供給装置に燃焼促進ガスの供給開始を指示する制御信号を送信する、放散ブリーダー。 - 集気管に集められたコークス炉ガスを放散管にて燃焼させるコークス炉ガス燃焼方法であって、
前記集気管における前記コークス炉ガスの圧力が設定された値になった際に、前記集気管と前記放散管との間に設けられた放散弁の開放の開始を検出する放散開始検出工程と、
前記放散管内に着火用の着火ガスの供給を開始する着火ガス供給工程と、
前記着火ガスに点火して着火用種火とし、前記コークス炉ガスに着火させる着火工程と、
前記着火工程の完了後および前記放散弁の全開を検出した後に、前記コークス炉ガスの燃焼を促進する燃焼促進ガスを前記放散管内への供給を開始する燃焼促進ガス供給工程と、
を有する、コークス炉ガス燃焼方法。
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS6089619A (ja) * | 1983-10-24 | 1985-05-20 | Ishikawajima Harima Heavy Ind Co Ltd | コ−クス乾式消火設備における放散ガス燃焼方法 |
WO2004081450A1 (ja) * | 2003-03-10 | 2004-09-23 | Re-Tec Inc. | ガス燃焼制御方法及びガス燃焼装置 |
JP2006124508A (ja) | 2004-10-28 | 2006-05-18 | Jfe Steel Kk | コークス炉用放散弁 |
CN103789472A (zh) * | 2014-02-11 | 2014-05-14 | 山西太钢不锈钢股份有限公司 | 一种高炉煤气放散点火方法 |
JP2017096615A (ja) | 2015-11-18 | 2017-06-01 | Jfeスチール株式会社 | 放散ブリーダー |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6089619A (ja) * | 1983-10-24 | 1985-05-20 | Ishikawajima Harima Heavy Ind Co Ltd | コ−クス乾式消火設備における放散ガス燃焼方法 |
WO2004081450A1 (ja) * | 2003-03-10 | 2004-09-23 | Re-Tec Inc. | ガス燃焼制御方法及びガス燃焼装置 |
JP2006124508A (ja) | 2004-10-28 | 2006-05-18 | Jfe Steel Kk | コークス炉用放散弁 |
CN103789472A (zh) * | 2014-02-11 | 2014-05-14 | 山西太钢不锈钢股份有限公司 | 一种高炉煤气放散点火方法 |
JP2017096615A (ja) | 2015-11-18 | 2017-06-01 | Jfeスチール株式会社 | 放散ブリーダー |
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