● 概述/ Summary:
煤氣化是現代新型煤化工中的核心裝置,氣化裝置工藝要求的技術難點在于高溫高壓介質的測量和控制。包括高溫高壓介質的流量、壓力和液位控制。控制閥在高壓差、汽蝕、沖刷等嚴苛工況下,容易出現卡阻、泄漏和沖刷導致壽命短等問題。融合十多項專利技術應用的漢德彎管式黑水角閥,采用管道式的閥體結構,優化了流體在閥腔內運動和擴散的軌跡,且加裝了碳化鎢刮刀,增強了閥門的自清潔能力,從本質上有效解決了卡阻和沖刷問題,大幅提高了黑水角閥的使用壽命。
該產品于2016年榮獲中國儀器儀表學會“中國好儀表”稱號。
Coal gasification is the core device of modern new coal chemical industry. The technical difficulty of gasification device process requirements lies in the measurement and control of high temperature and high pressure medium.Including high temperature and high pressure medium flow, pressure and liquid level control. Under severe working conditions such as high pressure difference, cavitation and erosion, control valves are prone to jam, leakage and erosion, which lead to short service life. The hande elbow type black water angle valve, which integrates more than ten patented technologies, adopts the pipeline type valve body structure, optimizes the trajectory of fluid movement and diffusion in the valve chamber, and adds a tungsten carbide scraper, which enhances the self-cleaning ability of the valve, effectively solves the problems of jamming and scouring, and greatly improves the service life of the black water angle valve.
The product was awarded the title of "China good instrument" by China Instrument Society in 2016.
● 結構和材質/ Structure And Material:
序號 | 名稱 | 材質 |
---|---|---|
1 | 閥體 | WCB/SS/Incoloy825/SAF2507 |
2 | 閥座組件 | SS+WC或SAF2507+WC |
3 | 閥芯 | WC |
4 | 閥桿 | 17-4PH;SS |
5 | 填料 | 柔性石墨/PTFE或RTFE |
6 | 刮刀 | WC或合金鋼 |
7 | 支架 | WCB |
8 | 執行機構 | 雙作用彈簧輔助氣缸 |
9 | 過渡法蘭 | WCB/SS/Incoloy825/SAF2507 |
● 特點/ Characteristic:
1、增強閥門自清潔能力,徹底解決了黑水閥卡和漏的老大 難問題 (所有黑水角閥發生卡阻和泄漏的直接原因,都是因 為介質黑水在閥桿形成的結垢。
漢德造黑水閥獨特的內嵌式三層刮刀的專利設計,讓閥桿具 備了自清潔能力。 采取一 、二層分層破壁,三層刮灰、卸灰 一氣呵成,有效防止閥桿結垢 ,本質上規避了因結垢帶來的 閥門卡阻, 導致閥門卡死的現象,和結垢拉傷填料而帶來的 閥門外漏的情況。
Enhance the self-cleaning ability of the valve, and completely solve the old problem of black water valve sticking and leakage 。(all the direct causes of black water angle valve sticking and leakage are due to the scaling of medium black water on the valve stem.)The unique patent design of built-in three-layer scraper of hande black water valve makes the valve stem self-cleaning. The first and second layers are used to break the wall, and the third layer is used to scrape and unload the ash at one time, which can effectively prevent the valve stem from scaling. In essence, it can avoid the valve sticking caused by scaling, which leads to the valve sticking, and the valve leakage caused by scaling and packing damage.
2、管道式閥體結構,大大緩解黑水角閥的沖蝕困擾 ( 沖 蝕 是黑水角閥通病,根本原因是三相流介質在高溫和高壓差工 況下產生的氣蝕和沖刷破壞。)
漢德彎管式黑水閥,無死角的大圓弧流道設計 ,更符合三相 流介質高壓差狀態下的流場特性,讓氣蝕和沖刷發生在碳化 鎢合金材質的流道中心,碳化鎢有漢德獨特工藝和配方的保 障,閥門流通及抗氣蝕和沖刷能力顯著提升。
The pipe type valve body structure greatly alleviates the erosion problem of the black water angle valve 。 (erosion is a common problem of the black water angle valve, and the fundamental reason is the cavitation and erosion damage of the three-phase flow medium under the working conditions of high
temperature and high pressure difference)
Hande elbow type black water valve, no dead angle of large arc channel design, more in line with the three-phase flow medium under the condition of highpressure difference
The flow field characteristics enable cavitation and erosion to occur in the center of the flow channel made of tungsten carbide alloy. Tungsten carbide is guaranteed by hande's unique process and formula, and the valve's circulation and anti cavitation and erosion ability are significantly improved.
3、結構簡單,便于安裝和后期檢修維護。
維護保養是提升閥門壽命的基本保障,漢德造黑水閥因為結 構簡單,安裝調試及后期維護極其方便,閥芯、閥座采用模 塊式結構,便于維護 檢修和更換。
The structure is simple and convenient for installation and later maintenance
Maintenance is the basic guarantee to improve the service life of the valve. Because of its simple structure, the hande black water valve is extremely convenient for installation, commissioning and later maintenance. The valve core and valve seat adopt modular structure, which is convenient for maintenance and replacement.
4、十多項專利技術融合,應用涵蓋了閥體、閥內件及附 件,提高綜合性能,整體提升使用壽命。 (高壓調節、黑水 調節、刮刀、清除閥桿污垢、閥桿定位、多層刮刀、便于安 裝維護、雙通、閥桿密封、彎管角閥)
More than ten patent technologies are integrated, and the application covers the valve body, valve trim and accessories, improving the comprehensive performance and overall service life.(high pressure regulation, black water regulation, scraper, cleaning stem dirt, stem positioning, multi-layer scraper, easy installation and maintenance, double way, stem sealing, elbow angle valve)
● 主要技術性能/ Main technical performance:
序號 | 類別 | 參數和性能 |
---|---|---|
1 | 公稱通徑 | 2"-16"(DN50—DN400) |
2 | 壓力等級 | class150—class1500(PN20-PN260) |
3 | 適用介質 | 煤漿、黑水、灰水等 |
4 | 適用溫度 | 40℃—350℃ |
5 | 泄漏等級 | ANSI CLASS IV或V級 |
6 | 連接方式 | 法蘭RF/RJ等 |
7 | 結構形式 | 角式彎管單座柱塞 |
8 | 驅動方式 | 氣動、電動、液動 |
9 | 流量特性 | 線性,等百分比 |
10 | 附件 | 定位器、三聯件手輪機構 (側裝)、電磁閥等 |
11 | 可調比 | 50:1 |
12 | 內件材料 | 碳化鎢等 |