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燃氣發電機組機房要求及管道設置

發布時間:2023-07-18 發布人:中拓 發布來源:http://www.peldhb.com/
燃氣發動機排氣系統溫度較高,其燃料又易燃易爆,隱患較大,稍不注意,就有可能釀成災禍。因此,在機房內使用燃氣發動機,用戶除了要遵守以下安全規定外,還要根據具體情況,制定安全操作規程,并嚴格遵守。
The exhaust system of a gas engine has a high temperature, and its fuel is flammable and explosive, posing significant risks. If not taken seriously, it may lead to disasters. Therefore, when using gas engines in the computer room, users should not only comply with the following safety regulations, but also develop safety operating procedures based on specific circumstances and strictly follow them.
燃氣發電機組機房要求
Requirements for Gas-fired power plant room
機房一般采用敞開式或半敞開式,應采用不發生火花的地面,地面應平整并易于清掃。
The computer room generally adopts an open or semi open type, and should use a non sparking ground. The ground should be flat and easy to clean.
如采用封閉式機房,應按《建筑設計防火規范》(TJ16-74)中防爆要求設計,必須是單層建筑,門窗一律外開,設置大流量排風裝置,防止可燃氣體積聚等。
If a closed computer room is used, it should be designed according to the explosion-proof requirements in the "Code for Fire Protection Design of Buildings" (TJ16-74). It must be a single-story building, with all doors and windows open outwards, and equipped with a large flow exhaust device to prevent the accumulation of combustible gas volume.
機房與操作間應隔開,不得直接連通,觀察窗口應用雙層玻璃,且有鋼絲網防護。
The computer room and the operation room should be separated and not directly connected. The observation window should be double glazed and protected by steel wire mesh.
機房應設有避雷裝置。
The computer room should be equipped with lightning protection devices.
機組運行現場不得有明火,必須有明顯的“嚴禁煙火”等警示標志。
There must be no open flames on the operating site of the unit, and there must be obvious warning signs such as "No Smoking or Fireworks".
配備充足的滅火器材。
Equipped with sufficient firefighting equipment.
發動機排氣系統的廢氣中,混有可燃氣體,要設計并安裝由發動機引向室外的排氣管系,排氣管系應連接可靠。
The exhaust gas from the engine exhaust system is mixed with combustible gases, and an exhaust pipe system led from the engine to the outdoor should be designed and installed. The exhaust pipe system should be connected reliably.
燃氣發電機組設備要求
Equipment requirements of Gas-fired power plant unit
機房內電氣設施應為防爆型,進行電氣維修時,必須切斷電源。
The electrical facilities in the computer room should be explosion-proof, and the power supply must be cut off when conducting electrical maintenance.
在燃氣管道進機房處,應設置緊急閥門,以備廠房內發生緊急情況時,可迅速切斷氣源,此閥門應離操作間較近。
At the entrance of the gas pipeline into the machine room, an emergency valve should be installed to quickly cut off the gas source in case of an emergency in the factory. This valve should be located close to the operating room.
機房內要安置燃氣濃度報警器,在機房對角處安兩個,當環境濃度在爆炸和中毒濃度范圍以內時,必須強制通風,降低濃度后方可啟動機組。
Gas concentration alarms should be installed in the machine room, with two installed at the opposite corners of the machine room. When the environmental concentration is within the range of explosion and poisoning concentration, forced ventilation must be provided to reduce the concentration before starting the unit.
燃氣發電機組燃氣管道要求
Requirements for gas pipeline of Gas-fired power plant unit
燃氣管道應采用鋼管,管壁不應太薄,接頭處要密封可靠,燃氣管線連接完成后,用燃氣檢測儀或肥皂水檢測管線滲漏情況,特別是法蘭、閥門等接頭處。
Gas pipelines should be made of steel pipes, and the pipe wall should not be too thin. The joints should be sealed reliably. After the gas pipeline connection is completed, use a gas detector or soapy water to detect pipeline leakage, especially at the joints of flanges, valves, etc.
應定期檢查閥門,應無燃氣泄漏、損壞等現象,閥門周圍應無妨礙閥門操作的堆積物,閥門應定期進行啟閉操作和維護保養,無法啟閉或關閉不嚴的閥門,應及時維修或更換。
The valve shall be checked regularly, and there shall be no Gas leak, damage, etc., and there shall be no accumulation around the valve that hinders the valve operation. The valve shall be opened and closed regularly and maintained. The valve that cannot be opened and closed or is not closed tightly shall be repaired or replaced in time.
燃氣管線上的膠管應定期更換,嚴禁使用過期老化膠管。
The rubber hoses on the gas pipeline should be replaced regularly, and it is strictly prohibited to use expired and aged rubber hoses.
制氫尾氣發電機組
對機組及燃氣管線進行運行、維護和搶修時,必須可靠地切斷燃氣來源并將內部燃氣排凈,未查明事故原因和采取必要安全措施前,不得向燃氣設施恢復送氣。進行維護檢修時,應采取防爆措施或使用防爆工具,嚴禁用鐵器等工具進行敲擊作業。
When operating, maintaining, and repairing the unit and gas pipeline, it is necessary to reliably cut off the gas source and exhaust the internal gas. Before identifying the cause of the accident and taking necessary safety measures, gas supply to the gas facilities cannot be restored. When carrying out maintenance and repair, explosion-proof measures should be taken or explosion-proof tools should be used. It is strictly prohibited to use tools such as iron tools for knocking operations.
燃氣泄漏的搶修應在切斷氣源后進行,當泄漏處已發生燃燒時,應先采取措施控制火勢后再切斷氣源,嚴禁管道內出現負壓。
The emergency repair of Gas leak shall be carried out after cutting off the gas source. When the leakage has burned, measures shall be taken to control the fire before cutting off the gas source. Negative pressure in the pipeline is strictly prohibited.
燃氣發電機組開車前檢查要求
Pre startup inspection requirements of Gas-fired power plant unit
開車前必須逐項進行下列檢查,確認無誤后才允許開車。
Before driving, the following checks must be carried out item by item and confirmed to be correct before driving is allowed.
燃氣管系
Gas pipeline system
燃氣氣源管線與燃氣機進氣接口處必須安裝密封墊片并確保緊固可靠,應急手動停車閥門功能應可靠。
The sealing gasket must be installed at the interface between the gas source pipeline and the gas engine inlet to ensure reliable fastening, and the emergency manual shutdown valve function should be reliable.
燃氣管線的螺紋連接處必須加纏密封膠帶,焊接部位不得有氣孔。
The threaded connection of the gas pipeline must be wrapped with sealing tape, and the welding area must not have air holes.
檢查機房內管線是否漏氣,如有泄漏,必須處理后再開機。
Check if there is any air leakage in the pipeline in the computer room. If there is any leakage, it must be dealt with before starting the machine.
燃氣部件的安裝
Installation of gas components
混合器法蘭及蝶門軸頸徑向間隙不得漏氣。
The radial clearance between the mixer flange and the butterfly valve journal must not leak.
電磁閥、調壓閥的連接不得松動漏氣。
The connection of solenoid valves and pressure regulating valves should not be loose or leak air.
各防爆裝置的易熔易爆膜片必須按照技術設計要求安裝,不得隨意更換材料或加厚。
The fusible and explosive diaphragms of each explosion-proof device must be installed in accordance with the technical design requirements, and materials cannot be changed or thickened arbitrarily.
發電機和控制屏與電纜接頭的連接必須緊固可靠。
The connection between the generator, control panel, and cable connector must be tight and reliable.
傳感器與控制屏組合模擬檢測
Sensor and control screen combination simulation detection
油壓檢測:裝有壓力繼電器的原動機,用壓力校驗儀檢測設定值,檢查控制屏是否分閘停機。裝有監控儀的原動機,自檢,然后拆下信號輸入線檢查控制屏是否分閘停機。
Oil pressure detection: For the prime mover equipped with a pressure relay, use a pressure calibrator to detect the set value and check whether the control screen is open and shut down. The prime mover equipped with a monitor first performs a self check, and then removes the signal input line to check whether the control screen is open and shut down.
油溫、水溫檢測:將模擬檢測好的傳感器與傳感器導線連接,把傳感器放在排氣管上加溫,檢測是否在設定值上分閘停機。
Oil temperature and water temperature detection: Connect the simulated detected sensor to the sensor wire, place the sensor on the exhaust pipe for heating, and detect whether it is shut down at the set value.
檢查氣源應急閥門、電磁閥是否可靠。
Check if the emergency valve and solenoid valve of the air source are reliable.
減掉負載,合上短路器開關,把轉速開關設置到額定轉速位置,然后調整2301A速度控制器的額定轉速電位器,緩慢順時針旋轉直至機組在設定值報警分閘、超速停機為止,然后將額定轉速電位器逆時針復位到原來的位置。
Reduce the load, close the breaker switch, set the speed switch to the rated speed position, then adjust the rated speed Potentiometer of the 2301A speed controller, slowly rotate clockwise until the unit is at the set value for alarm opening and overspeed shutdown, and then reset the rated speed Potentiometer counterclockwise to the original position.
機組
unit
開機前,應清除機組(特別是旋轉部件)上放置的雜物(如盤車杠、工具、螺釘等),以免開車時工件飛出去傷人。
Before starting the machine, debris (such as turning bars, tools, screws, etc.) placed on the unit (especially rotating parts) should be removed to prevent workpieces from flying out and injuring people during driving.
開機前手動盤車時,注意先斷開起動電源,以免誤觸動起動按鈕,盤車杠飛出去傷人。
When manually turning the machine before starting, be sure to disconnect the starting power first to avoid accidentally touching the start button and causing the turning lever to fly out and injure people.
燃氣發電機組機組的運行要求
Operation requirements of Gas-fired power plant unit
啟動時,先踏下腳踏開關,按下啟動按鈕,將缸內燃氣排空后再開啟燃氣閥門,嚴禁先給燃氣再按啟動按鈕。啟動不成功或啟動后又熄火時,應立即關閉燃氣閥門,查清原因,排凈缸內混合氣體后,再按規定程序重新啟動。啟動成功后,應立即踢開腳踏開關。
When starting, first step on the foot switch, press the start button, empty the gas in the cylinder, and then open the gas valve. It is strictly prohibited to supply gas before pressing the start button. If the start is unsuccessful or if the engine shuts down after starting, the gas valve should be immediately closed, the cause should be investigated, and the mixed gas in the cylinder should be discharged before restarting according to the prescribed procedure. After successful startup, the foot switch should be kicked off immediately.
開機時,打開門窗,開動排風裝置,直到停機。
When starting the machine, open the doors and windows, activate the exhaust device, and wait until the machine stops.
操作者在機房內操作時,應戴安全帽或頭盔,機器運轉過程中不能直接面對防爆門,應避開飛輪等高速旋轉件,不能觸摸排氣管等高溫件。
When operating in the computer room, operators should wear safety helmets or helmets. During machine operation, they should not directly face the explosion-proof door, avoid high-speed rotating parts such as flywheels, and should not touch high-temperature parts such as exhaust pipes.
運行中,若發現燃氣有泄漏情況,操作人員應立即卸掉負荷并停機檢查。
During operation, if any gas leakage is found, the operator should immediately unload the load and stop the machine for inspection.
機組運行時,注意燃氣發動機防爆安全門,一旦爆破(其聲音較大)應立即關閉氣源,更換防爆膠皮后方可重新啟動。
When the unit is running, pay attention to the explosion-proof safety door of the gas engine. Once the explosion occurs (with a loud sound), the gas source should be immediately turned off, and the explosion-proof rubber should be replaced before restarting.
機組停機應采取的安全措施
Safety measures to be taken for unit shutdown
正常停機時,應先使機組在怠速運轉至水溫、油溫降到60℃以下后再切斷氣源停機。
During normal shutdown, the unit should be allowed to idle until the water temperature and oil temperature drop below 60 ℃ before cutting off the air source and shutting down.
緊急停機后,應立即“盤車、泵油”至水溫、油溫降到60℃以下后再切斷氣源停機。
After emergency shutdown, immediately "turn the engine and pump oil" until the water temperature and oil temperature drop below 60 ℃, and then cut off the air source and shut down.
停機后,應將“電磁閥電源”開關置于“關(OFF)”位置,并關閉燃氣總閥門。
After shutdown, the "solenoid valve power" switch should be placed in the "OFF" position and the main gas valve should be closed.

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