水利水務(wù)閥門大量應(yīng)用于水庫(kù)泵站、污水處理廠、城市供水管網(wǎng)、排澇調(diào)水工程，主要實(shí)現(xiàn)水流通斷、流量調(diào)節(jié)、防倒流、泄壓保護(hù)等功能。相比于工業(yè)特種閥門，水務(wù)閥門以水作為主要介質(zhì)，但工況跨度出彩大，既有城市市政低壓供水，也有大型水利工程的高壓大流量管路，閥門運(yùn)行的穩(wěn)定性直接關(guān)系城市供水安全、防汛排澇效率以及污水處理系統(tǒng)正常運(yùn)轉(zhuǎn)。

　　Water conservancy and water management valves are widely used in reservoir pump stations, sewage treatment plants, urban water supply pipelines, and drainage and water regulation projects, mainly to achieve functions such as water flow interruption, flow regulation, backflow prevention, and pressure relief protection. Compared to industrial special valves, water valves use water as the main medium, but have a wide range of operating conditions, including urban municipal low-pressure water supply and high-pressure high flow pipelines for large-scale water conservancy projects. The stability of valve operation directly affects the safety of urban water supply, flood prevention and drainage efficiency, and the normal operation of sewage treatment systems.

　　水利水務(wù)工況有自身鮮明特點(diǎn)。大口徑閥門是水利項(xiàng)目的主流，需要承受水體泥沙沖刷，水體中含有的泥沙、雜質(zhì)容易磨損密封面；污水場(chǎng)景介質(zhì)含有污泥、腐蝕性雜質(zhì)，對(duì)內(nèi)件抗腐蝕、抗磨損能力提出更高要求；管網(wǎng)停水、水錘沖擊是常見隱患，止回閥需要有效抑制水錘，避免水錘沖擊力損毀管路與設(shè)備。市政供水場(chǎng)景還對(duì)閥門衛(wèi)生指標(biāo)有要求，內(nèi)件材料不能污染飲用水水源。

　　The working conditions of water conservancy and water management have their own distinct characteristics. Large caliber valves are the mainstream of water conservancy projects, which need to withstand the erosion of sediment in water bodies. The sediment and impurities contained in water bodies are prone to wear on the sealing surface; The sewage scene medium contains sludge and corrosive impurities, which require higher requirements for the corrosion and wear resistance of internal components; Pipeline network water outage and water hammer impact are common hazards, and check valves need to effectively suppress water hammer to avoid damage to pipelines and equipment caused by water hammer impact force. The municipal water supply scenario also requires valve hygiene indicators, and the internal materials must not contaminate the drinking water source.

　　水利水務(wù)閥門種類豐富，蝶閥、閘閥、止回閥、排氣閥是管網(wǎng)中高頻使用品類。產(chǎn)品制造核心把控閥體強(qiáng)度、密封耐磨性能。大口徑閥體保證整體剛性，承壓后不易變形；橡膠密封件選用耐老化材質(zhì)，長(zhǎng)期泡在水中不易開裂失效。出廠進(jìn)行殼體壓力試驗(yàn)、密封試驗(yàn)，保證關(guān)閉狀態(tài)下無(wú)滲漏。選型時(shí)結(jié)合管徑、水壓、水質(zhì)，污水工況要選用抗泥沙磨損的版本。

　　There are various types of water conservancy and water management valves, including butterfly valves, gate valves, check valves, and exhaust valves, which are high-frequency use categories in the pipeline network. The key focus of product manufacturing is to control the strength and sealing wear resistance of the valve body. The large-diameter valve body ensures overall rigidity and is not easily deformed under pressure; Rubber seals are made of anti-aging materials, which are not easily cracked or failed when soaked in water for a long time. Conduct shell pressure test and sealing test before leaving the factory to ensure no leakage in the closed state. When selecting, it is necessary to consider the pipe diameter, water pressure, and water quality, and choose a version that is resistant to sediment erosion for sewage conditions.

　　日常運(yùn)維方面，埋地管網(wǎng)閥門容易出現(xiàn)銹蝕，需要做好防腐防護(hù)；定期操作啟閉，防止泥沙淤積造成卡澀；排氣閥要保證通暢，避免管道積氣造成管網(wǎng)壓力異常；止回閥定期檢查，防止失效帶來(lái)水錘破壞。水務(wù)閥門雖然技術(shù)門檻看似不高，但工程故障很多源于選型不當(dāng)、防腐不到位。合理選用、定期維護(hù)水利水務(wù)閥門，保障供水、排水、調(diào)水工程長(zhǎng)期可靠運(yùn)行。

　　In terms of daily operation and maintenance, buried pipeline valves are prone to rusting and require proper anti-corrosion protection; Regularly operate the opening and closing to prevent blockage caused by sediment accumulation; The exhaust valve should be kept unobstructed to avoid abnormal pressure in the pipeline caused by gas accumulation; Check the check valve regularly to prevent water hammer damage caused by failure. Although the technical threshold for water valves may seem low, many engineering failures stem from improper selection and inadequate anti-corrosion measures. Reasonably select and regularly maintain water conservancy valves to ensure the long-term reliable operation of water supply, drainage, and water diversion projects.

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