This paper discusses such design problems in heating systems with the pres- sureless boiler as how the pumping head of the cycle pump is selected ,where the cycle pump is installed and whether the expansion tank is necessary.

針對無壓鍋爐供暖系統(tǒng)設(shè)計中有關(guān)循環(huán)水泵揚程的選擇黄色不卡福利、循環(huán)水泵的設(shè)置高度及是否設(shè)置膨脹水箱等問題從理論和實踐上進行了探討淫荡视频免费网站，得出了可供設(shè)計人員實際應(yīng)用的計算公式，介紹了幾個關(guān)鍵問題的處理方法人人摸人人艹人人，澄清了一些模糊認識国产精选插逼视频。

The principle of this kind of automatic ice thickness monitoring system is realized by detecting the vertical distance between the ice bottom and a fixed point in the water, which is measured by using a barrel moving from the fixed point to the ice bottom.

隨浮桶一起運動的壓差式水位傳感器分別給出浮桶位于固定端和冰層底面的位置，而浮桶的運動則依靠數(shù)據(jù)采集儀控制浮桶內(nèi)水泵排吸水改變浮桶的重力來實現(xiàn)五月丁香六月激情欧美综合不卡，并且該儀器能夠記錄傳感器的信號和設(shè)置水泵開關(guān)的開欧美性爱电影免费观看、閉時間。

Drainage system Design of drainage system is it discharge way drain off water the sureness of the system to include; Calculation of the flow of second of design of the sanitary sewage drainage pipeline of the building ; Is it in charge of sideways to drain off water , water conservancy in charge ofed to set up calculate and in charge of pipeline slope , pipe diameter and sureness of elevation sideways, set up calculation to in charge of pipe diameter , is it confirm pipe diameter size and position and sewage waste water design of the inspection shaft after discharging of breather pipe to come from this.

消火栓給水系統(tǒng)消火栓給水系統(tǒng)的設(shè)計內(nèi)容具體包括：根據(jù)建筑物性質(zhì)選擇設(shè)計參數(shù)久久久国产精品无码aa，包括每支水槍的射流量超碰97无码在线观看、消火栓的口徑、水槍口徑www..com日本、龍帶長度等操精品免费；消火栓系統(tǒng)計算，具體包括消火栓的布置計算和消防立管和橫支管的水力計算色色色视频成年网站；減壓孔板的計算一级A片夜夜爽；消火栓設(shè)施的確定，包括水泵結(jié)合起的設(shè)置黄页网站激情视频、消防水泵和泵房的要求四房色播综合网。

2 Should ensure that the cooling pond, cleaning, there must be no debris, dirt, every six months to carry out a sea of washing machines, water pipes, to remove scale, it would be specific about 25 kg of hydrochloric acid into the plastic bucket, then on the pump inlet and outlet pipe in plastic buckets together Add to the closure of machine power, a separate 15-minute run to open pumps, hydrochloric acid in the sea in circulation, remove furring.

3.2 應(yīng)確保冷卻水池內(nèi)清潔，不得有雜物www.久久艹、污垢国产欧美综合在线一区二区91，每六個月要對機器水路進行一次清洗，除去水管內(nèi)水垢www.193yw.com，具體做法是將25kg左右的鹽酸倒入塑料桶中爱操在线视频精品，然后將水泵上的進水管和出水管一并放入塑料桶中中国xxxx6，關(guān)閉機器電源，單獨開啟水泵運行15分鐘狼友网址永久入口，使鹽酸在水路中循環(huán)流動高清Av在线中文字幕不卡，可以除去水垢。

According to the idea of diversification in studying hydraulic performance of low head pump system, a new method to separate outlet conduit from the pump system is presented to simulate its flow pattern and calculate its hydraulic loss.

根據(jù)研究低揚程泵站水泵裝置的方法可以多樣化的觀念美女十八黄，提出了將出水流道從水泵裝置中分離出來国产亚洲精品va高清91妓院，進行出水流道內(nèi)部流態(tài)數(shù)值模擬和水力損失計算的方法。

Mine drainage pump are the most commonly used type of pump for the discharge with smaller abrasive solids of water, sand and can also be used for the emission of suspended solids, solid particle size to filter the largest aperture (usually 7 ~ 12 mm).

排水泵是礦山中最常用的水泵型欧美在线中文字幕日韩精品，用于排放含磨蝕性較小的固體的水亚洲精品日韩手机专区第一页，也可用于沙子和懸浮固體的排放，固體顆粒尺寸最大為濾網(wǎng)孔徑（通常為7~12毫米）为爱搞点激情在线网站。

HVAC piping design with valve selection 1, chiller plant, cooling water between inlet valve design; 2, before the butterfly pumps, filters, pumps after the check valve, butterfly valve; 3, sets, water separator pressure differential between the bypass valve; 4, set, divider into the returning pipe valve 5, the level of dry pipe valve; 6, valve air handling units, filters, electric two-pass or three-way valve 7, fan coil valve (or plus electric two-way valve) Note: The valve is typically used when the diameter is less than 150mm used Handle Butterfly Valve (D71X, D41X); diameter greater than 150mm used worm drive butterfly (D371X, D341X).

暖通空調(diào)管道用閥門的選型設(shè)計 1a网观看、冷凍水機組、冷卻水進出口設(shè)計蝶閥日韩精品一区二区在线观看网址； 2在线视频看ab91、水泵前蝶閥、過濾器欧美日本一区二区三区，閘門水泵后止回閥国产呦精品免费视频、蝶閥； 318jizz、集超碰91自拍、分水器之間壓差旁通閥； 4把女人弄到爽特黄a大片、集一级黄色站、分水器進、回水管蝶閥 5久久久久久精品免费福利、水平干管蝶閥； 6老妇性交、空氣處理機組閘閥啪啪精品、過濾器、電動二通或三通閥 7人人看人人干人人午夜、風機盤管閘閥注：一般采用蝶閥時欧美妇乱子A片免费，口徑小于150mm時采用手柄式蝶閥（D71X、D41X）美女自慰流水网站；口徑大于150mm時采用蝸輪傳動式蝶閥（D371X新午夜影院、D341X）。

We hope you pay more attention to jobs are as follows haven't been finished this week:(1) right and left side of upper water wall has been aligned and fixed;(2) Nine downcomers been pre-stored;(3) All the wall packing aligned and fixed, then install right and left side rigid beam;(4) Finishing welding counterpart of front wall packing;(5) Get two booster pump for turbine driven boiler feed water pump aligned and make inspection;(6) Electric Feed Water Pump Unit, Coupling and Motor Pump positioned;(7) Equipment in Start-up Boiler House aligned and make inspection;(8) Get three Reusing Water Pump aligned;(9) Equipment in Integrated Water Pump House aligned and make inspection.

本周免费一级婬片A片AAA毛片app，以下工作未完成日韩久久无码视频，希望貴單位引起重視：（1）上水左右側(cè)找正完香蕉视频,依依五月天，且加固完；（2）下降管9根預(yù)存完久久一级a级高清片；（3）包墻全部找正完色欲影院www色欲影院，加固完，之后安裝左右側(cè)剛性梁自拍偷拍一页；（4）前包墻對口焊接完畢yw最新；（5）2臺汽動前置泵找平找正，并驗收亚洲中文字幕第一网站；（6）電動給水泵組天堂在线免费视频，耦合器和電泵就位；（7）啟動鍋爐房內(nèi)設(shè)備找平找正福利偷拍，并驗收99操逼免费视频；（8）3臺復(fù)用水泵就位；（9）綜合水泵房內(nèi)設(shè)備找平找正中国AV黄色网站在线看，并驗收在线免费播放麻豆。

Job as follows shall be finished next week:(1) Get right and left side of upper water wall positioned and reinforced;(2) Finish Pre-store nine downcomers;(3) All the wall are positioned and reinforced, and then install right and left side rigid beam;(4) Finish front wall counterpart welding;(5) Hoisting two rare roofs, Middle-temperature RH, four high temperature RH headers, hoist headers of middle-temperature RH and high-temperature RH, it can't install lifting rod.

下周，鍋爐以下工作需要完成：（1）上水左右側(cè)找正完精品国产欧美日韩综合一区，且加固完久久国产免费中文；（2）下降管9根預(yù)存完；（3）包墻全部找正完黄色网站视频床上插进去，加固完视频二区日韩，之后安裝左右側(cè)剛性梁；（4）前包墻對口焊接完畢一本大道香蕉久在线；（5）后頂棚吊裝2片中国人免费的视频大全在线、中溫再熱器、高溫再熱器集箱4個日韩免费A级二区三区，吊掛中再和高再集箱時高清一区二区三区视频，不能安裝吊桿。6）2臺汽動前置泵找平找正先锋影音AV网站，并驗收国内一级黄色a片；（7）電動給水泵組，耦合器和電泵就位国产不卡免费一级视频；（8）啟動鍋爐房內(nèi)設(shè)備找平找正2020免费黄色视频，并驗收；（9）3臺復(fù)用水泵就位日韩精品激情视频网站免费观看在线；（10）綜合水泵房內(nèi)設(shè)備找平找正538午夜视频，并驗收。

Feed pump system, which may comprise of one or more pumps to distribute the feedwater to the membrane units.

水泵系統(tǒng)日本国产欧美性爱，可能包括一項或一項以上的給水水泵分發(fā)單位膜影音先锋啪啪啪。