爆破片型式試驗裝置的研究與實現(xiàn)
發(fā)布時間：2018-07-17 00:38
【摘要】：爆破片是承壓設(shè)備的最后一道安全保護裝置,其所應(yīng)用的設(shè)備大多是裝載易燃、易爆或有毒介質(zhì)。因此,要求在設(shè)備正常運行時,絕不允許有泄漏或泄放。而一旦發(fā)生操作異常時,以要求其準確、及時的將壓力泄放出來。以避免發(fā)生更重大的事故。而爆破片是一次性開啟的安全裝置。因此,其動作的準確性及可靠性是由制造廠的制造技術(shù)和產(chǎn)品質(zhì)量來保證的。由于其產(chǎn)品的特殊性,在國際上都是采用型式試驗的方法來對產(chǎn)品的質(zhì)量和性能以及對制造廠的制造能力進行評價的。2003年國務(wù)院頒布的《特種設(shè)備安全監(jiān)察條例》以后,要求部分特種設(shè)備產(chǎn)品由第三方進行型式試驗,爆破片則是此范圍內(nèi)。沈陽市特種設(shè)備檢測研究院承接了爆破片的型式試驗項目。我院自此開始進行國家爆破片型式試驗實驗室的建設(shè)籌備工作。 本項目中主要研究了爆破片型式試驗的方法和設(shè)備,即建立爆破片的型式試驗室并在研究完成后制定相應(yīng)的試驗標準。其中主要試驗項目為爆破壓力測定試驗、流體阻力系數(shù)測定試驗。本文主要研究了爆破片流體阻力系數(shù)測定試驗,關(guān)鍵是如何準確的測定流體的流量,以及調(diào)整和控制試驗介質(zhì)的壓力。我們制作了一套音速噴嘴組及測試裝置及采用了高精度的絕壓傳感器和差壓傳感器,組成了50-200mm的爆破片阻力系數(shù)測試系統(tǒng)。在低于爆破壓力條件下準確的測量出試驗介質(zhì)的流量,并計算出爆破片的流體阻力系數(shù)。
[Abstract]:The explosive disc is the last safety protection device of the pressure equipment, most of the equipment used is loaded with flammable, explosive or toxic medium. Therefore, no leakage or release should be allowed during the normal operation of the equipment. Once the operation is abnormal, it is required to release the pressure accurately and timely. To avoid more serious accidents. The explosive disc is a safety device that is turned on at one time. Therefore, the accuracy and reliability of the operation is guaranteed by manufacturing technology and product quality. Because of the particularity of its products, the method of type test is adopted in the world to evaluate the quality and performance of the products and the manufacturing capability of the manufacturers. After the "regulations on Safety Supervision of Special equipment" promulgated by the State Council in 2003, Some special equipment products are required to be tested by third parties, and blasting discs are within this range. Shenyang Special equipment testing Institute undertook the type test project of blasting disc. Since then, our institute has been preparing for the construction of the National blasting pattern Test Laboratory. In this project, the method and equipment of blasting disc type test are mainly studied, that is, the type laboratory of blasting disc is established and the corresponding test standard is worked out after the study is completed. The main test items are blasting pressure test and fluid resistance coefficient test. In this paper, the measurement of the fluid resistance coefficient of the blasting disc is mainly studied. The key is how to accurately measure the flow rate of the fluid, and how to adjust and control the pressure of the test medium. We have made a set of sonic nozzle set and testing device and adopted high precision adiabatic pressure sensor and differential pressure sensor to make up the 50-200mm blast disc resistance coefficient test system. The flow rate of the test medium is measured accurately under the condition of lower blasting pressure, and the fluid resistance coefficient of the blasting disc is calculated.
【學位授予單位】：東北大學
【學位級別】：碩士
【學位授予年份】：2011
【分類號】：TH49
本文編號：2128252
[Abstract]:The explosive disc is the last safety protection device of the pressure equipment, most of the equipment used is loaded with flammable, explosive or toxic medium. Therefore, no leakage or release should be allowed during the normal operation of the equipment. Once the operation is abnormal, it is required to release the pressure accurately and timely. To avoid more serious accidents. The explosive disc is a safety device that is turned on at one time. Therefore, the accuracy and reliability of the operation is guaranteed by manufacturing technology and product quality. Because of the particularity of its products, the method of type test is adopted in the world to evaluate the quality and performance of the products and the manufacturing capability of the manufacturers. After the "regulations on Safety Supervision of Special equipment" promulgated by the State Council in 2003, Some special equipment products are required to be tested by third parties, and blasting discs are within this range. Shenyang Special equipment testing Institute undertook the type test project of blasting disc. Since then, our institute has been preparing for the construction of the National blasting pattern Test Laboratory. In this project, the method and equipment of blasting disc type test are mainly studied, that is, the type laboratory of blasting disc is established and the corresponding test standard is worked out after the study is completed. The main test items are blasting pressure test and fluid resistance coefficient test. In this paper, the measurement of the fluid resistance coefficient of the blasting disc is mainly studied. The key is how to accurately measure the flow rate of the fluid, and how to adjust and control the pressure of the test medium. We have made a set of sonic nozzle set and testing device and adopted high precision adiabatic pressure sensor and differential pressure sensor to make up the 50-200mm blast disc resistance coefficient test system. The flow rate of the test medium is measured accurately under the condition of lower blasting pressure, and the fluid resistance coefficient of the blasting disc is calculated.
【學位授予單位】：東北大學
【學位級別】：碩士
【學位授予年份】：2011
【分類號】：TH49
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，本文編號：2128252
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