| 3151/3051法蘭式壓力變送器應(yīng)用_智慧熱網(wǎng)供熱系統(tǒng)改造工程 |
| 信息來源： 液位計(jì)生產(chǎn) | 2020-09-23 點(diǎn)擊量： 8674 |
基于數(shù)據(jù)挖掘技術(shù)對熱源、熱力站及熱用戶安裝設(shè)備的運(yùn)行狀態(tài)進(jìn)行異常判斷和智能排查，并通過歷史運(yùn)行數(shù)據(jù)分析得出熱源、熱力站和熱用戶的調(diào)控習(xí)慣。采用大數(shù)據(jù)處理方法對熱網(wǎng)的運(yùn)行工況給出故障診斷和偏離最佳工況的診斷。并給出適合各熱力站和熱源的控制策略，進(jìn)而指導(dǎo)全網(wǎng)節(jié)能安全運(yùn)行，熱源級智慧熱網(wǎng)數(shù)據(jù)應(yīng)用層功能
所3151/3051法蘭式壓力變送器應(yīng)用_有變送器均具有現(xiàn)場數(shù)字顯示，直觀地指示測量壓力。智能型產(chǎn)品的LCD多段顯示器可顯示測量壓力、變送器輸出電流或量程百分比，并以棒圖形式顯示測量值百分度，
當(dāng)變送器出現(xiàn)故障時(shí)，LCD指示器將顯示報(bào)警信息。
變送器可方便地進(jìn)行重新標(biāo)定。變送器帶有現(xiàn)場按鍵，配合LCD參數(shù)指示，可方便地進(jìn)行現(xiàn)場設(shè)置。
產(chǎn)品采用標(biāo)準(zhǔn)模塊化設(shè)計(jì)，具有相同的結(jié)構(gòu)，可以方便地進(jìn)行更換或升級。傳感器提供可選的多樣材質(zhì)，以滿足不同的現(xiàn)場需求。
產(chǎn)品適用于液體、氣體介質(zhì)的測量，廣泛應(yīng)用于石油化工、電站、冶金、制藥、食品、艦船及其它所有工業(yè)場合。
熱源供水溫度及設(shè)備啟停等遠(yuǎn)程控制或者自主運(yùn)行控制；
采用大數(shù)據(jù)處理方法對海量設(shè)備運(yùn)行數(shù)據(jù)進(jìn)行分析，并進(jìn)行相應(yīng)的故障診斷和偏離最佳工況的診斷；
熱源與熱網(wǎng)調(diào)控策略的連鎖保護(hù)。3151/3051法蘭式壓力變送器應(yīng)用_智慧熱網(wǎng)供熱系統(tǒng)改造工程
①室外溫度補(bǔ)償?shù)榷喾N控制策略：調(diào)節(jié)閥控制，二級管網(wǎng)供水溫度恒定運(yùn)行， 二級管網(wǎng)供回水平均溫度運(yùn)行，流量恒定運(yùn)行，流量曲線運(yùn)行，室外溫度補(bǔ)償，分時(shí)控溫運(yùn)行。
① Outdoor temperature compensation and other control strategies: control of regulating valve, constant operation of water supply temperature of secondary pipe network, average temperature operation of supply and return level of secondary pipe network, constant flow operation, flow curve operation, outdoor temperature compensation, time-sharing temperature control operation.
②壓力控制：二級管網(wǎng)供回水壓差調(diào)節(jié)控制回路，二級管網(wǎng)回水定壓控制系統(tǒng)，電磁閥泄壓控制。
② Pressure control: secondary pipe network supply and return water pressure difference regulation control circuit, secondary pipe network return water constant pressure control system, solenoid valve pressure relief control.
③報(bào)警功能：一級管網(wǎng)回水溫度高限，二級管網(wǎng)供水壓力高限，二級管網(wǎng)供水溫度高限，二級管網(wǎng)回水壓力低限，二級管網(wǎng)供回水壓差低限，水箱水位高限、低限，循環(huán)泵變頻器故障，補(bǔ)水泵變頻器故障等情況，要求控制器能夠及時(shí)報(bào)警，并將報(bào)警信息遠(yuǎn)傳至遠(yuǎn)程監(jiān)控中心。3151/3051法蘭式壓力變送器應(yīng)用_智慧熱網(wǎng)供熱系統(tǒng)改造工程
③ Alarm function: high limit of return water temperature of primary pipe network, high limit of water supply pressure of secondary pipe network, high limit of water supply temperature of secondary pipe network, low limit of return water pressure of secondary pipe network, low limit of water supply and return water pressure difference of secondary pipe network, high and low limit of water tank water level, failure of circulating pump frequency converter, failure of frequency converter of make-up water pump, etc., the controller is required to alarm in time and transmit the alarm information to remote Monitoring center.
④補(bǔ)水箱液位控制：當(dāng)水箱液位低于低限值時(shí)補(bǔ)水電磁閥自動(dòng)開啟；當(dāng)液位到達(dá)高限時(shí)補(bǔ)水電磁閥自動(dòng)關(guān)閉，從而實(shí)現(xiàn)補(bǔ)水箱自動(dòng)上水功能。
④ Level control of make-up water tank: when the water tank level is lower than the low limit value, the make-up water solenoid valve will open automatically; when the liquid level reaches the high limit, the make-up water solenoid valve will be closed automatically, so as to realize the automatic water filling function of the make-up water tank.
⑤電磁閥泄壓：當(dāng)二級管網(wǎng)壓力超過設(shè)定值時(shí)，電磁閥自動(dòng)通電打開泄壓；當(dāng)壓力達(dá)到低限值時(shí)，電磁閥自動(dòng)斷電關(guān)閉。
⑤ Solenoid valve pressure relief: when the pressure of the secondary pipe network exceeds the set value, the solenoid valve will be automatically powered on to open the pressure relief; when the pressure reaches the low limit value, the solenoid valve will automatically power off and close.
⑥聯(lián)鎖控制：二級管網(wǎng)回水壓力高于定壓值時(shí)，啟動(dòng)變頻循環(huán)泵并做自鎖，進(jìn)行二級管網(wǎng)供回水壓差調(diào)節(jié)，此時(shí)延時(shí)開啟一級管網(wǎng)電動(dòng)調(diào)節(jié)閥進(jìn)行二級管網(wǎng)供水溫度自動(dòng)調(diào)節(jié)等保護(hù)措施。
⑥ Interlock control: when the return water pressure of the secondary pipe network is higher than the constant pressure value, start the frequency conversion circulating pump and do self-locking to adjust the supply and return water pressure difference of the secondary pipe network. At this time, delay to open the electric control valve of the primary pipe network to automatically adjust the water supply temperature of the secondary pipe network.
⑦斷電保護(hù)、來電啟動(dòng)：控制器具備自我保護(hù)和自我診斷功能。當(dāng)系統(tǒng)斷電時(shí)，將參數(shù)自動(dòng)保存，來電后可以自動(dòng)安全運(yùn)行。
⑦ Power off protection, call start: the controller has self-protection and self diagnosis functions. When the system is powered off, the parameters will be saved automatically, and the system can run automatically and safely after calling.
⑧巡檢功能：為了實(shí)現(xiàn)無人值守?zé)崃φ镜墓芾?，有效管理巡站人員的巡站時(shí)間，要求在熱力站節(jié)能控制裝置設(shè)有巡檢簽到功能，巡站人員在控制裝置輸入員工編號，即可將巡站信息、巡站時(shí)間傳輸?shù)街行谋O(jiān)控平臺，有效地管理巡站人員。
⑧ Patrol inspection function: in order to realize the management of unattended thermal station and effectively manage the patrol time of station patrol personnel, it is required that the energy-saving control device of the heat station shall be equipped with the function of inspection sign in. The patrol personnel can input the employee number in the control device, and then the station inspection information and time can be transmitted to the central monitoring platform to effectively manage the station patrol personnel.
⑨數(shù)據(jù)儲存：當(dāng)通信網(wǎng)絡(luò)由于外界客觀原因暫時(shí)中斷時(shí)，測控系統(tǒng)具有數(shù)據(jù)暫存功能，能夠每隔1min儲存1次測量數(shù)據(jù)，并儲存至少48 h的數(shù)據(jù)。當(dāng)通信網(wǎng)絡(luò)恢復(fù)時(shí)，能夠自動(dòng)通過網(wǎng)絡(luò)上傳或通過儲存介質(zhì)上傳。
⑨ Data storage: when the communication network is temporarily interrupted due to external objective reasons, the measurement and control system has the function of data temporary storage, which can store the measurement data every 1 min and store the data for at least 48 h. When the communication network is restored, it can upload automatically through the network or through the storage medium.
3151/3051法蘭式壓力變送器應(yīng)用_智慧熱網(wǎng)供熱系統(tǒng)改造工程；
華恒儀表將繼續(xù)秉承一輩子做好一件事的“工匠華恒儀表將繼續(xù)輩子做好一件事的“工匠精神”，邊生產(chǎn)邊科研，研發(fā)團(tuán)隊(duì)通過在各種不同環(huán)境下對儀表進(jìn)行無數(shù)次的試驗(yàn)，不斷豐富技術(shù)，完善產(chǎn)品性能，將工業(yè)自動(dòng)化儀表做成推動(dòng)我國工業(yè)發(fā)展的經(jīng)濟(jì)耐用產(chǎn)品，成為國內(nèi)儀表行業(yè)引領(lǐng)者
陜ICP備09007751號-1