primary air system 中文意思是什麼

primary air system 解釋
新風系統
  • primary : adj 1 第一的，最初的，初級的；初等的；基本的；基層的。2 主要的，為首的，第一位的。3 原始的，根本...
  • air : n 1 空氣，大氣。2 天空，空中。3 微風，和風。4 態度，樣子，風度，氣派；〈pl 〉高傲的架子。5 傳播，...
  • system : n 1 體系，系統；分類法；組織；設備，裝置。2 方式；方法；作業方法。3 制度；主義。4 次序，規律。5 ...
  1. Moreover, the system of powdered coal conveying with primary air is the most important tache, whether the distribution of primary air is even or not directly relates to whether the distribution of powdered coal is even or not in all firing implement and nozzles, sequentially directly relates to whether it is hard to take fire, whether the fire is stable, whether there is coking and how about the heat efficiency of the boiler, hi addition, if there is jamming and deflagrate in the system of powdered coal conveying with primary air, severe safety accident can be resulted

    良好的煤粉配風是建立合理的爐內空氣動力工況和穩定燃燒的必要條件。而其中一次熱風送粉系統又是最重要的一個環節，一次風配風是否均勻直接關繫到煤粉在各燃燒器和各噴嘴中的分佈是否均勻，從而直接關繫到著火是否困難、火焰是否穩定、局部是否結焦以及鍋爐的熱效率高低。若一次風送粉系統發生堵塞和煤粉爆燃則可能引發嚴重的安全事故。
  2. Combined with debugging expirence in the field, the control system of incinerator, including the stocker control system, primary air control system, secondary air control system etc., used in nanshan municipal solid waste ( msw ) incineration power plant has been presented

    摘要結合現場調試經驗，介紹了深圳市南山垃圾焚燒發電廠焚燒爐控制系統，包括爐排控制系統、一次風控制系統、二次風控制系統等。
  3. The air conditioning or heating water systems with primary water system in heat source or cold source side and secondary water system in load side divided by direct connection mode need to adopt connectors or water mixers

    摘要用直接連接方式劃分熱源（或冷源）側一次水和負荷側二次水的供暖或空調水系統，需要採用連通器或混水器。
  4. First of all, this paper analyses present problems existing in the boiler combustion monitor system of power plants, then put forward the signification to realize precision measurement for the primary and secondary air speed of boiler and the necessary conditions to solve efficaciously this problem

    本文首先分析了目前電站鍋爐燃燒監測系統中存在問題，提出鍋爐實現一、二次噴口風速準確測量的重要性以及有效解決該問題所需要滿足的必要條件。
  5. The paper analyzes the non - lineal relations of the quantity of heat exchange and water flux of coil exchanger in part - load operating condition, the shortage of deciding the water flux in bypass pipe, the disadvantage that the operating condition of pumps and chiller ca n ' t be met with the load change of the air conditioning system in different operating condition of using pressure - difference bypassing control in primary water pump system. using load control method in the change of the operating condition of primary water pump system can realize that the load change is small and reasonable in the on / off condition of pumps and m m chiller by comparing load control method in primary variable - flow water pump system with pressure - difference bypassing control method, back water temperature control method

    本論文從目前空調工程中使用的變流量水系統入手，研究了盤管換熱器在部分負荷下水流量與換熱量的非線性關系，分析了文獻中介紹的旁通管通流能力選擇的不足之處和一次泵水系統採用壓差旁通控制時，工況轉換不能滿足系統控制要求的缺陷；比較了一次泵變流量水系統中壓差旁通控製法、回水溫度控製法、負荷控製法的精確性，並得出了在一次泵水系統的工況轉換時，採用負荷控製法能使冷水機組及其相應水泵在啟停時的負荷變化范圍較小，更符合建築物的冷量需求，節能效果較好的結論。
  6. Since the air leakage rate of the air preheaters in waigaoqiao 900 mw units is too high, and the opening of the primary fan stationary blades can not meet the requirement of the unit loads, a retrofit was carried out for the air preheater sealing system in according to the scheme proposed by alstom germany

    摘要針對外高橋900mw機組空氣預熱器漏風率偏高、一次風機靜葉開度不能滿足機組負荷要求這一影響機組運行的安全性和經濟性的問題，依據alstom德國公司提出的改進方案，對該空預器密封系統進行了改造。
  7. With fast development of our country " s gas industry and air ' s increasingly serious contamination in city, using gas instead of coal and supplying energy in high efficiency and cleanliness has become necessary way in city. there are different problems in the current heating ( air conditioning ) systems. in the cogeneration system, heat and power affect each other, heating - pump heating ( aie conditioning ) system can not satisfy the peak load very well, the cost of gas fuel in boilor heating sestem is so high. the high generating efficiency of the diesel - engine two - sourse heating ( air conditioning ) systems is limited in range of 100kw - 1000kw, the heating scope is so limited. combined cycle of two sourse heating ( air conditioning ) system is most suitable selection to buesness community with big scope my paper aim at this syetem ' s primary question when it is applied in our country - - - - bringing project into execution and technology economy feasibility and off - design performence, combined with a certain demonstrating project in beijing buesness community, going along with calculating and analyzing, drawing out some efficient datas and conclusions, based on this, bringing out primary alements affecting combined cycle of two sourse heating ( air conditioning ) system " economics

    熱電聯產系統熱電相互牽連，熱泵供暖（空調）系統不容易很好地滿足尖峰負荷，鍋爐供暖系統供熱中天然氣燃料構成的成本過高，內燃機雙源供暖（空調）系統的高發電效率僅限於100kw - 1000kw負荷范圍，供熱面積有限。對于大面積的商業園區、居民小區，燃燒天然氣的燃氣-蒸汽聯合循環雙源供暖（空調）系統是最佳選擇之一。本論文針對該系統在我國應用時的主要問題- - -方案的技術實施與技術經濟可行性，結合北京某一商業園區示範工程，進行了系統的計算與分析，得到了有效的數據與結論，在此基礎上，提出影響聯合循環雙源供暖（空調）系統經濟性的主要因素，並進行敏感性分析，得出有益的結論；最後通過各種供暖方案的比較分析回答了某些人對該系統的疑慮和不解，並指出系統的優化方向。
  8. The primary measures for control precept are : sufficiently and effectively utilizing the the air compressors " interior data, realizing online surveillance and alarming for failure of the the air compressors " running interior parts ; letting the air compressors running by master and slave manner, by reasonable arranging the alignment of the air compressors, making the masters yielding pressed air and the slaves adjusting the pressure of the air. this decreases the times of loading and unloading greatly and the decreased failure of air compressors and low maintain ; at the same time we adopt abundant value of the set pressure for stabling the compressure. the air compressors become loaded or unloaded ahead by the abundant value ; caning unloading control for saving power, when the air compressors get along with unloading for a while, the system will stop them ; consummating the purposes for control, enhancing offline control for over - press and low - press, continual loading control and unloading control

    經過分析研究，針對原來存在的問題，在控制方案上主要的改進措施有：充分、有效地利用了空壓機的內部參數數據，對空壓機的內部部件的運行情況實現了在線監視及故障報警；對空壓機採用了主、輔結合的運行方式，通過對空壓機加、卸載隊列的合理排序，使空壓機自動實現主機產氣、輔機進行氣壓調節，減少了空壓機的加載和卸載次數；在壓縮空氣壓力的穩定上進行了裕量控制，在壓縮空氣壓力不到供能品質所規定的上、下根就根據一定的裕量提前進行卸載和加載操作；在節約電能方面對空壓機進行了卸載停機控制，當空壓機在一定時間內一直處于卸載狀態，系統就認為該空壓機沒有運行的必要，自動將其停機；完善了控制效果，增加了超壓低壓脫網控制、連續加載控制、連續卸載控制等功能。
  9. In this system, mean velocity pipe is applied to transform the air velocity signal into pressure difference signal, and then the pressure difference signal is input into pressure difference transmitter to realize the transform of the pressure difference signal from non - electricity signal to electric current, and through the resistance in the corresponding sampling circuit the electric current is transformed into voltage signal ; the thermocouple is used as the primary element to realize the transform from temperature signal to the voltage signal ; under the control of communication agreement module, diversified voltage signal is transported into computer by way of a / d conversion module, and then the monitoring software compiled beforehand is transferred to deal with all the voltage signals relatively, the result of which is conveyed to relative interface to display

    該裝置具有三個特點：一是採用表面式測溫方法，有效地減少了元件的維護與損耗；二是採用工業控制計算機及信息就地採集、數據總線傳輸的方式，充分利用計算機和數據自動採集方面的技術，實現各種參數的在線測量，監測指標全面，能與dcs系統聯用，具有技術先進性和一定的前瞻性；三是採用顯示器配工業觸摸屏的顯示方式，為現場運行人員提供了簡單、易學、方便的操作模式。本裝置自2001年8月投入運行以來，有效地幫助、指導運行人員進行燃燒調整，對于鍋爐和機組的安全、經濟運行發揮了重要作用。
  10. Combustion system of power plant boiler is taken as the research object of this thesis. the research mainly focuses on the faults of boiler combustion system, such as flame center deflection, powder feed inequality or break, primary air pipe jammed, spontaneous combustion, and backfire or kill in burner spout

    本文以電站鍋爐燃燒系統為研究對象，主要圍繞鍋爐燃燒系統運行中可能出現的爐膛火焰中心偏斜、給粉機下粉脈動、一次風管道內堵粉、自燃、燃燒器噴口回火、滅火等故障展開研究。
  11. At the same time, the primary air system was monitored on - line

    與此同時對鍋爐一次風系統進行了在線監測。
  12. The study shows that compared with the energy consumption of conventional central air - conditioning system with primary return air, the heat pipe air - conditioning system can save cooling and reheating energy

    研究結果表明：在相同的室內設計溫度下，採用熱管式空調機組處理空氣的一次回風集中空調系統比常規的一次回風集中空調系統節省冷量和再熱量。
  13. Taking an office building in guangzhou as an example, this paper investigated the energy consumption of a central air - conditioning system with primary return air using heat pipe air - conditioner at different indoor design temperatures

    摘要以廣州地區的辦公建築為例，就一次回風集中空調系統在空氣處理過程中採用熱管式空調機組時，不同室內設計溫度下的空調系統能耗進行了分析，並且與常規的一次回風集中空調系統的耗能量進行了比較。
  14. Because of the potential for rapid spread of viruses via air travel and urban development, a svrveillance system based on hospital and laboratory network is required for primary care physicians and health care workers to discover emerging viral diseases early

    由於病毒可以經航空運輸和城市化迅速傳播，建立一個基於臨床和實驗室的病原學監測系統是早期發現新發病毒性疾病的關鍵。
  15. The solution background that resulted from the chemical interference, would be the primary factor that effected the sensitivity. especially in the present microfluidic system, the chemical background which was usually inevitable because of the carrier solution, would be eliminated by means of using air as the carrier flow, thus a great signal noise ratio ( snr ) and a great sensitivity could be obtained

    在微量分析和超微量分析里，化學干擾產生的溶液背景是影響靈敏度的主要因素，尤其在微流控系統中，載流溶液的背景不可避免，用空氣作載流就可以消除背景而獲得高信噪比和高靈敏度。
  16. Application of variable primary folw chilled water system in air - conditioning designing of bank

    一次變頻泵變水流量系統在某銀行信息中心空調設計中的應用
  17. Presents the air conditioning system and smoke exhaust system design of this project, applies the primary air fan coil system and secondary pump water system in the top electronics city

    摘要簡要介紹了鼎好電子商城空調系統和防排煙系統的設計，商城採用了風機盤管加新風空調系統和二次泵空調水系統。
  18. This article introduces the principle of deb and features of its function blocks. the article studies the difference, advantages and disadvantages of co - ordination control strategy under the direct energy balance and indirect energy balance. it introduces the configuration and way of max1000 + plus distributed control system, studies the characteristics and its influence to the operation of coordination control of the subsystems of mill, primary air fan etc. deeply and systematically

    本文介紹了直接能量平衡控制（ deb ）的原理及其功能塊的特點，研究了直接能量平衡和間接能量平衡兩種方式下協調控制策略的差異和優劣，介紹了max1000 + plus分散控制系統的組態及方法，深入而系統的研究了磨煤機，一次風機等子系統的特性及對協調控制系統投入的影響。
  19. For the problem that on - line monitoring of primary air of direct firing pulverizing system ca n ' t be complete achieved, the chaotic properties of parameter change of two - phase flow in pipe is analyzed in the paper, according to the pressure difference signal of two - phase flow system

    目前電站鍋爐直吹式制粉系統的一次風氣固兩相流流動狀態在線監測仍未得以實現，針對這一難題，本文首次基於管道內氣固兩相流差壓信號對其流動狀態變化的混沌特性進行理論研究。
  20. Discussion on energy efficiency of primary pump system with variable flow in air conditioning

    淺談空調變流量一次泵系統的節能
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