電加熱器說明書版

1、最新資料推薦DRK 型空氣電加熱器DRK Electric Air Heater使用說明書OperatingInstruction Manual江蘇國能環(huán)保設(shè)備有限公司Jiangsu Guoneng Environment Protection Equipment Co., Ltd.5一、 前言 PrefaceDRK型空氣電加熱器是我廠近年來研制成功的專門供燃煤發(fā)電廠除灰系統(tǒng)使用 的新型加熱設(shè)備，該設(shè)備由空氣電加熱器和控制系統(tǒng)兩個(gè)部分組成。發(fā)熱元件采用 1Cr18Ni9Ti不銹鋼無縫管作保護(hù)套管，0Cr27A17M2高溫電阻合金絲、結(jié)晶氧化鎂粉， 經(jīng)壓縮工藝成型， 使電加熱元件的使用壽命得以保

2、證。 控制部分采用先進(jìn)的數(shù)字電路、 集成電路觸發(fā)器、高反壓可控硅等組成可調(diào)測溫、恒溫系統(tǒng)，保證了電加熱器的正常 運(yùn)行。DRK electric air heater, the new type heating equipment special for coal-fired power plant ash collection system, is successfully made by our company recent years. This equipment consists of electric air heater and control system. Heating un

3、it adopts 1Cr18Ni9Ti seamless steel tube as the protective case. After compression craft formation,0Cr27A17MO2 hightemperature resistance alloy wire and crystal magnesia powder could makesure the life of electric heating element. Control part uses advanced digital circuit, IC trigger and high counte

4、r voltage SCR to compose adjustable thermometer and thermostat system, which insure the normal working of heater.該產(chǎn)品適用于電站空氣輸送斜槽氣化風(fēng)加熱，電除塵器灰斗氣化風(fēng)和貯灰?guī)鞖?化風(fēng)加熱等方面。This equipment use for power plant air delivery skewed slot gasification wind heating, electric dust collector gasification wind and ash storeho

5、use gasification wind heating. 技術(shù)參數(shù) Technical Parameter1. 空氣電加熱器的規(guī)格與參數(shù)Specifications and Parameter of Electric Air HeaterModel、功率capacityKW輸入電壓input voltage V額定電流rated current每相APhase A進(jìn)口溫度Inlet temp.C額定流量Rated flow m/mi n額定流量溫升Rated flowtemp.riseC最高工作 溫度 Max.working temp.C進(jìn)口法蘭通徑Inlet flange drift d

6、iameter mm壓力PressureMPDRK4545380/22078-20 507.52320 300125P0.82.控制柜的主要技術(shù)指標(biāo)數(shù)據(jù) Main Technical Index Data of Control Box1) .輸入電壓 In put voltage: 380V 5%(三相四線 three phase four wiresystem)2) .額定功率 Rated capacity : 45KW3) .額定電流 Rated current : 78A(單相 single phase)4) .控溫精度 Control accuracy : 0.5 級(jí)5) .控溫范圍

7、control range : 0300C三、結(jié)構(gòu)與工作原理 Structure and operating principle1. 空氣電加熱器結(jié)構(gòu) Structure of Electric Air Heater電加熱器是由多支管狀電熱元件、簡體、導(dǎo)流板等幾部分組成，管狀電熱元 件是在金屬管內(nèi)放入高溫電阻絲，在空隙部分緊密地填入具有良好絕緣性和導(dǎo)熱 性能的結(jié)晶氧化鎂粉，采用管狀電熱元件做發(fā)熱體，具有結(jié)構(gòu)先進(jìn)熱效率高，機(jī) 械強(qiáng)度好，耐腐、耐磨等特點(diǎn)。筒體內(nèi)安裝了導(dǎo)流隔板能使空氣在流通時(shí)受熱均 勻。The electric air heater consists of multi tubula

8、r heating element, drum, flow deflector and etc. Put the high-temperature resistance wire in the metal tube and tightly fill in the void with crystal magnesia powder, which has the high insulating property and high-thermal conductivity. The tubular heating element is a heating unit with the characte

9、ristics of advanced structure, high thermal efficiency, high mechanical strength, corrosion-resistantand wear resistance. Flow deflector, installed in thedrum, could make the air uniform heated when circulating.2. 控制工作原理 Control principle 數(shù)顯溫度控制柜采用數(shù)顯溫度調(diào)節(jié)儀，集成電路觸發(fā)器，大功率可控硅和測 溫元件組成測量、調(diào)節(jié)、控制回路，在電加熱過程中測溫元件

10、將空氣電加熱器出 口溫度電信號(hào)送至數(shù)顯溫度調(diào)節(jié)儀進(jìn)行放大、比較后顯示測量溫度值，同時(shí)輸出 010V電壓信號(hào)到可控硅觸發(fā)組件的輸入端，控制輸出脈沖相位，從而控制可控 硅導(dǎo)通角度大小，使控制柜有良好的控制精度和調(diào)節(jié)特性。利用聯(lián)鎖裝置可遠(yuǎn)距 離啟動(dòng)、關(guān)閉空氣電加熱器。Digital display temperature cabinet uses digital display temperature regulator, IC trigger, high power SCR and temperature element to compose the measuring loop, regulat

11、ing loop and control loop. Temperature element sends the outlet temperature electrical signal of electric air heater to the digital display temperature regulator, which could indicate temperature value after amplification and comparison. Meanwhile, the digital display temperature regulator outputs t

12、he 0 10V voltage signalto incoming end of SCRtrigger assembly, in order to control outlet impulse phase. Consequently, making control box being more controllable through control thyristor operating angle,四、安裝與使用 Setup and use控制柜應(yīng)安裝在干燥通風(fēng)、便于操作的地方。空氣電加熱器外殼、控制柜外 殼應(yīng)可靠接地、空氣電加熱器應(yīng)水平安裝，底座螺母要擰緊使其穩(wěn)固。本體與外接管道安裝時(shí)

13、，應(yīng)注意進(jìn)出口方向安裝測溫元件時(shí)，應(yīng)區(qū)別“ +” “ - ”端接入控制柜接線端子的“ +” “- ”對(duì)應(yīng) 處。加熱器在使用前應(yīng)測量電源接入端子與金屬外殼的冷態(tài)絕緣電阻不得低于2MQ,使用環(huán)境相對(duì)濕度不大于85%。電源線的出、入端應(yīng)牢固可靠，不得松動(dòng)。使用前首先檢查電源線、測溫元件輸出聯(lián)線是否正確，控制柜元器件、螺絲 是否松動(dòng)損壞，如有異常及時(shí)擰緊或更換，確認(rèn)無誤后可通電試車。Cabinet should be in stalled in the dry ratio n and handy place. Shellof electric air heater and cabinet could

14、with the connection to the earth.Electric air heater should adopt horiz on tal in stallati on. Make the base nuts tighten in order to fix heater.1. 合上空氣開關(guān)（QS，電源指示燈亮，數(shù)顯表控制燈亮并顯示所測溫度指示 值。Open QS air switch, power indicator light illuminates digital displaycontrol light illuminates and indicates the tem

15、perature value.2. 溫度的設(shè)定 temperature setting:1）.溫度控制儀面板示意圖 diagram of temperature regulator panel :顯示器indicator； XMT 數(shù)顯 溫度調(diào) 節(jié)儀：XMT digital displaytemperature regulator ； 設(shè)定電位器： set pote ntiometer;指示燈：indicator light ; 切換開關(guān)：switch2）.溫度預(yù)置方法 Temperature initialization:將“切換開關(guān)K”撥向右邊“控制”，旋轉(zhuǎn)“設(shè)定電位器 W ,當(dāng)順時(shí)針旋轉(zhuǎn)

16、時(shí)，溫度設(shè)定值T設(shè)增大，反之減小。溫度預(yù)置完畢，再將“切換開關(guān)K”撥至中間“測溫”，此時(shí)顯示測溫值，即T實(shí)。當(dāng)T實(shí)T設(shè)時(shí)，控制指示燈亮，當(dāng)T實(shí)丁設(shè)時(shí)，指示燈滅。MoveK switch to right “ control ” position and spin set potentiometer W1, when clockwise rotation, temperature setting value Tset would grow,otherwise would reduce. After temperature initialization, moving K switch to “t

17、hermometer ” position, at this momentindicates the thermometer value Tactual.WhenTactual Tset , control indicator light illuminates, otherwise control indicator light off.3 ) . 報(bào)警設(shè)定方法 alarm setting ：將“切換開關(guān)K”撥向左邊“報(bào)警”，旋轉(zhuǎn)“設(shè)定電位 W,當(dāng)數(shù)值達(dá)到T設(shè) 預(yù)置完畢，再將K撥至中間“測溫處”。當(dāng)T實(shí)T設(shè)時(shí)，報(bào)警指示燈滅，當(dāng)T實(shí)T設(shè)時(shí)，報(bào)警指示燈亮。Move K switch to lef

18、t “ alarm ” position and spin set potentiometerW2. The initializationis finish when value arrive T 設(shè), then move the K switchto middle “ thermometer ” position.WhenT 實(shí)T設(shè)，alarm indicatorlight off, otherwise alarm indicator lightilluminates.3. 溫度設(shè)定好之后，如無異常情況即可按下“加熱器工作”按鈕，交流接觸 器KM吸合，可控硅進(jìn)線端得電，有數(shù)顯控溫表所輸出PI

19、D電信號(hào)控制空氣電加熱 器工作。開機(jī)時(shí)，可能出現(xiàn)溫度過沖現(xiàn)象，但逐漸趨向恒定范圍之內(nèi)。After setting temperature, pressing the air heater operation button if there is no any abnormal. Then ACcontactor begin to work, SCRinput terminal picks up current, electric air heater start-ups via the control of PID electric signal output by the digital d

20、isplay temperature regulator. After start a short time, it may have a temperature overswing phenomenon, but tends to gradually the constant scope.五、維護(hù)與保養(yǎng) MaintenanceDRK系列空氣電加熱器特別是控制部分，系精密儀器，運(yùn)輸時(shí)要小心輕放， 嚴(yán)禁沖擊、撞打。簡體部分應(yīng)合理吊裝，以免變形損壞內(nèi)部發(fā)熱元件?？諝怆娂?熱器及控制柜存放在庫內(nèi)，嚴(yán)禁淋雨。最新資料推薦DRK series electric air heaters are preci

21、sion instruments, especially the control parts. Handle with care and strictly prohibit the parts to be impacted. Hoist the drum reasonably in order to avoid damaging the internal heating unit. Electric air heater and the cabinet should be put in the warehouse, strictly prohibiting to be exposed to t

22、he rain.六、故障原因與排除方法 Failure cause and repair 故障一：電源指示燈不亮，數(shù)顯表不工作，電壓表無指示。 排除方法：檢查空氣開關(guān)是否合上，控制回路熔絲是否完好。 Failure 1: Power indicator light does not illuminate, digital display instrument does not work, pressure gauge does not indicate. Repair: Check whether air switch is off. Check whether control loop fuse is broken.故障二：加熱器溫度不上升。 排除方法：用示波器檢查觸發(fā)器有無輸出脈沖波形、數(shù)顯溫度調(diào)節(jié)儀有無 PID 信 號(hào)輸出。Failure 2: Heater temperature does not rise. Repair: Check whether trigger outputs impulse waveform by oscillogra