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爐水加磷酸鹽系統(tǒng)翻譯-中英對(duì)照

發(fā)布時(shí)間:2013-7-21      閱讀次數(shù):1532

爐水加磷酸鹽系統(tǒng)翻譯-中英對(duì)照
兩臺(tái)機(jī)組共用一套加藥裝置。加入點(diǎn)為:鍋爐汽包。每套加藥裝置由2臺(tái)攪拌溶液箱(配帶溶解筐)、3臺(tái)加藥泵(2臺(tái)運(yùn)行,1臺(tái)備用)以及輔助設(shè)備、管路、閥門、管件、表計(jì)等組成,每套加藥裝置內(nèi)所有設(shè)備、管道等全部固定在一個(gè)碳鋼底盤上,并配備平臺(tái)扶梯。
二.設(shè)備規(guī)范:
給水及凝結(jié)水氨液加藥裝置
攪拌溶液箱
容積:     1.0m3
材質(zhì):     不銹鋼
數(shù)量:     2臺(tái)
計(jì)量泵
型式:     隔膜式
最大流量:    40L/h
排出壓力:    4.0 MPa
數(shù)量:     5臺(tái)
生產(chǎn)廠商:    耐普頓
液氨鋼瓶
容積:     40L
壓力:     3.0MPa
數(shù)量:     4臺(tái)
裝置范圍內(nèi)的主要管道
進(jìn)水管
材質(zhì):     不銹鋼
規(guī)格:     38x2.5
攪拌溶液箱出液管
材質(zhì):      不銹鋼
規(guī)格:      45x2.5
計(jì)量泵出口管
材質(zhì):      不銹鋼
規(guī)格:      25x3
給水聯(lián)氨加藥裝置
攪拌溶液箱
容積:       1.0m3
材質(zhì):       不銹鋼
數(shù)量:       2臺(tái)
計(jì)量泵
型式:       隔膜式
最大流量:      40L/h
排出壓力:      4.0MPa
數(shù)量:       3臺(tái)
生產(chǎn)廠商:      耐普頓
電動(dòng)抽液泵
流量:       250L/hr
壓力:       0.1MPa
數(shù)量:       1臺(tái)
裝置范圍內(nèi)的主要管道
進(jìn)水管
材質(zhì):       不銹鋼
規(guī)格:       38x2.5
攪拌溶液箱出液管
材質(zhì):       不銹鋼
規(guī)格:       45x2.5
計(jì)量泵出口管
材質(zhì):       不銹鋼
規(guī)格:       25x3
爐水磷酸鹽加藥裝置
攪拌溶液箱
容積:       1.0m3
材質(zhì):       不銹鋼
數(shù)量:       2臺(tái)
計(jì)量泵
型式:       隔膜式
最大流量:      40L/h
排出壓力:      22MPa
數(shù)量:       3臺(tái)
生產(chǎn)廠商:      耐普頓
過(guò)濾器
材質(zhì):       不銹鋼
濾網(wǎng)間隙:      0.2mm
數(shù)量:       2臺(tái)
裝置范圍內(nèi)的主要管道
進(jìn)水管
材質(zhì):              不銹鋼
規(guī)格:       38x2.5
攪拌溶液箱出液管
材質(zhì):       不銹鋼
規(guī)格:       45x2.5
計(jì)量泵出口管
材質(zhì):       不銹鋼
規(guī)格:       28x4

第三節(jié) 鍋爐啟動(dòng)時(shí)化學(xué)的工作
一.鍋爐啟動(dòng)前化學(xué)的準(zhǔn)備工作:
1.檢查機(jī)爐汽水取樣裝置完好,冷卻水系統(tǒng)無(wú)泄漏,冷卻水量充足。
2.加藥泵電源應(yīng)合上,加藥系統(tǒng)處于正常狀態(tài),藥量充足。
3.檢查分析所需器皿,藥品齊備,不足應(yīng)配齊。
4.各種分析儀表,記錄儀表,監(jiān)測(cè)儀表,電源應(yīng)合上處于正常狀態(tài)。
5.分析鍋爐上水的水質(zhì),投入系統(tǒng)加氨,加聯(lián)氨,禁止不合格水進(jìn)入鍋爐。
二.鍋爐上水時(shí)的化學(xué)工作:
1.接到鍋爐上水的通知前,應(yīng)分析凝結(jié)水的水質(zhì),如不合格,通知汽機(jī)方排放直到水質(zhì)合格,在此期間化學(xué)應(yīng)加強(qiáng)分析。
2.接到鍋爐上水的通知時(shí),啟動(dòng)加氨泵運(yùn)行,向凝結(jié)水加氨。
3.當(dāng)鍋爐向汽包上水時(shí),啟動(dòng)加聯(lián)胺泵運(yùn)行。
4.啟動(dòng)加藥系統(tǒng)的同時(shí),應(yīng)加強(qiáng)分析水質(zhì),調(diào)整好水質(zhì)。
三.鍋爐啟動(dòng)時(shí)的化學(xué)工作:
1.接到鍋爐點(diǎn)火的通知,通知鍋爐全開(kāi)汽包加藥一次門,汽水取樣一次門,連續(xù)排污一次門。
2.開(kāi)啟加藥泵出入口門,啟動(dòng)加藥泵,檢查壓力表擺動(dòng)正常,無(wú)明顯上升趨勢(shì)2~3分鐘方可離開(kāi)。
3.開(kāi)啟冷卻水總門和各冷卻器進(jìn)出口門,汽水取樣裝置。
4.當(dāng)汽包壓力升到0.5Mpa開(kāi)取樣二次門,排污門、沖洗取樣管數(shù)次,通知鍋爐定期排污一次。鍋爐水質(zhì)不清晰時(shí)應(yīng)加強(qiáng)定期排污換水。
5.當(dāng)汽包壓力升至2.5Mpa,沖洗取樣管,聯(lián)系鍋爐開(kāi)始連續(xù)排污。
6.當(dāng)汽包壓力升至4.5Mpa時(shí)沖洗取樣管,投入取樣裝置,當(dāng)爐水清晰,通知鍋爐停止定期排污,并取樣分析爐水PH值,PO43-。
7.當(dāng)取爐水樣分析PH 9~10,PO43 :1-3ppm時(shí),進(jìn)入正?刂,投入儀表監(jiān)測(cè)。
8.鍋爐啟動(dòng)中應(yīng)加強(qiáng)爐水,給水PH、PO43  及氨的監(jiān)督,根據(jù)分析結(jié)果進(jìn)行調(diào)整。
四.鍋爐停運(yùn)時(shí)的化學(xué)工作:
1.接到鍋爐停運(yùn)的通知時(shí),停止凝酸鹽加藥泵運(yùn)行,關(guān)閉加藥泵進(jìn)出口門,溶液出口門。
2.通知鍋爐關(guān)閉取樣一次門,連排一次門,關(guān)閉上述各二次門。
3.停汽水取樣裝置及表計(jì),關(guān)閉冷卻水總門和取樣冷卻水進(jìn)、出口門。
4.鍋爐換水降壓完畢,停止系統(tǒng)加氨,加聯(lián)氨。
5.了解停爐情況,聽(tīng)候值長(zhǎng)通知,作好停爐保護(hù)處理。
6.停爐充氮保護(hù)系統(tǒng)投運(yùn)后的第一個(gè)白班,聯(lián)系化驗(yàn)室班長(zhǎng)安排測(cè)定氮?dú)饧兌?并做好相關(guān)保護(hù)記錄。
1. This system has more than 8 medium filter: output power: 45t/h per unit; it is required that the turbidity of flow water shall not be greater than

1mg/l.The interior filter material shall be quartz sand: 800mm; anthracite:400mm; the total feeding height is about 1200mm.The rate of filtration shall not

be greater than 6m/h.

2. This system has 5 activated charcoal filters: the output power of SDI shall not be greater than 4; the amount of free chlorine is smaller than 0.1mg/l;

the feeding height is about 1500mm; the rate of filtration shall not be greater than 15m/h.
3. The first class sea water hyperfiltration equipment: two sets; rate of water production: 128t/h.
4. The second hyperfiltration equipment: two sets; rate of water production: 85t/h.
5. Mixing bed: two; output power of each unit: 85t/h; resin model: 001X7 strong acidic anode-exchange resin (H) and 201X7 strong basic anion-exchange resin

(OH), resin height: The anode-exchange resin is about 500mm, the anion-exchange resin is about 1000mm.
6. Hyperfiltration dosing device:
●Sterilization equipment: including one 20m3 storing tank; five metering pumps and three filters; the output power of metering pump: ≥900l/h;
●PH value adjustment device: including one m3 dosing tank, three metering pumps, and three filters; the output power of metering pump: 10l/h.
●Flocculating agent dosing device: including one m3dosimeter, three metering pumps and three filters; the output power of metering pump: 48l/h.
●Anti-sludging agent dosing device: including one m3dosimeter, three metering pumps and three filters; the output power of metering pump: 15l/h.

7. Back flush device: including one 200 m3 back flush water tank and two backwash water pumps; the output power of back flush water pump: 200~400m3/h.
8. acids/alkali storing device: 20 m3acid/alkali storing pot; the output power:15 m3/h acid unloads /alkali pump.
9. Regenerating unit: 1 m3acid/alkali dosing tank; output power: 15.7m3/ acid unloads /alkali ejector; the output power of each unit shall be: 32t/h two

regeneration water pumps and output power of each unit shall be: 7.85m3/ Root’s air blower.
10. Flushing device: 50 m3 second class fresh water tanks; including one flushing water pump with the output power of 100m3/h.
11. Cleaning unit: 5 m3 cleaning tank; including one cleaning pump and one filter with the output power of 100m3/h.
12. Waste water treating device: including one 0.3 m3 acid/alkali dosing device and one 200 m3 waste water tank with the output power of 50t/h and two

neutralizing water pump.
13. Water supplies device: including two1000 m3/ desalinization water tank with the output power of 100t/h and two desalinization pumps with the output

power of 250t/h.

II. Operation flow of desalinization system:
     Filtration sea water -> Tubular mixer -> Multi- medium filter -> Activated charcoal filter -> Sea water hyperfiltration system -> First class fresh

water tank -> Second class hyperfiltration system -> Second class fresh water tank -> Mixes ion-exchange reactor -> Desalinization water tank ->

Desalinization water pump -> thermodynamic system of main building.


Section two Operation mode of system
This desalinization system equipment: Filtering processing includes more than 8 medium filter and 5 activated charcoal filters. Under the normal condition,

there are more than 8 medium filters and 5 activated charcoal filters may be operated at the same time; while a failure occurred in 1 unit or in a process

of back flushing, the output power the other equipment shall comply with the requirements of normal operation of the system. Under the normal condition, 2

sets of sea water hyperfiltration system and 2 sets of two sets of second hyperfiltration system may be operated at the same time; the output power of sea

water hyperfiltration system is about 128m3/h; the output power of second hyperfiltration system shall be 85 m3/h. Under the normal condition, two mixing

bed shall be arranged and one mixing shall be treated as backup unit in case of failure.

Section three Preparation before the operation of system

I. Inspection before the startup of system:
1. Inspection before the startup of desalinization system:
●Check whether the desalinization equipment system is switched on and whether the voltage is complied with the requirements.
●Check whether the water pump is complete and in a readiness condition; the water pump inlet gate shall be opened.
●Check whether the current meter and pressure gauge are complete; instruments cock shall be opened;
●Check whether the water levels of water tanks are above 2/3; the outlet passage shall be opened; the water quality shall be clean and comply with the

relevant requirements;
●Check whether the air supplies in air compressor are sufficient; the pressure of gas tank shall be 0.4MPa above.
●Drugs, measuring appliances and instruments of chemical examination shall be prepared and in a good condition;
●The opening and closing of the valves of desalinization system shall be flexible and reliable;

2. Inspection of dosing system:
1. Inspection of sodium hypochlorite dosing system:
●Inspection of the flow level of sodium hypochlorite storing tank;
●Inspect whether the sodium hypochlorite dosing pump is in a normal operation.
●Inspect whether the inlet and outlet channel of sodium hypochlorite dosing pump is opened;

2. Inspection of the flocculating agent system:
●Inspect whether the motor and dosing pump is in a normal operation.
●The watering feeding vent and discharging vent of solution tank shall be tightness; the inlet and outlet vent of dosing pump shall be open before

operation.
●Dissolve the dosing materials:
A. Open the watering supply vent of solution tank, add water to 4/5 and slowly pour proper amount coagulant into the unit.
Start the mixer for stirring.
B. Open the watering supply vent and add the water to a required height.
C. Stop stirring after 20 minutes; open the outlet vent to discharge the solution to the gauge tank.

武漢翻譯公司
2013.7.21

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