डेक्सट्रा ग्रुप | विश्वसनीय कनेक्शन

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मेरा डेक्सट्रा

श्रेणी: ऊर्जा

San’ao Nuclear Power Plant 1&2, China

पर पोस्ट किया गया Kansuda Visesthanakorn द्वारा
 

San’ao Nuclear Power Plant 1&2, China

 
 

डेक्सट्रा has successfully supplied 340,000 ग्रिपटेक couplers for the aircraft impact-resistant shell construction of the San’ao Nuclear Power Plant units 1 and 2, featuring the advanced HPR1000 Hualong reactors.

ग्रिपटेक, recognized as the only 100% proof-tested splicing system, has gained the trust of over ten nuclear reactors globally, cementing its reputation for reliability and safety in high-stakes environments. The system’s stringent quality assurance processes ensure that each coupler meets the demanding standards required for nuclear applications, providing unparalleled performance and durability.

One of the standout features of ग्रिपटेक is its high-productivity bar end preparation equipment. This state-of-the-art machinery boasts an impressive processing speed of 30 to 45 seconds per bar end, significantly enhancing construction efficiency. Additionally, the equipment is designed for operation by a single operator, optimizing workforce utilization.

Moreover, डेक्सट्रा is the first manufacturer of civil construction products with an ISO19443 certified quality management system for nuclear safety. This certification underscores डेक्सट्रा‘s commitment to the highest standards of safety and quality in the nuclear industry, demonstrating the company’s commitment to excellence and reliability.

The San’ao Nuclear Power Plant project is a key component of China’s strategic initiative to expand its nuclear power capacity, which is vital for meeting the country’s growing energy needs while reducing carbon emissions. By supplying ग्रिपटेक couplers, डेक्सट्रा is playing a crucial role in ensuring the safety and efficiency of this project.

एनर्जीकनेक्ट - व्हिटेंस बुरोंगा सबस्टेशन

पर पोस्ट किया गया Sir Gwi द्वारा

एनर्जीकनेक्ट - व्हिटेंस बुरोंगा सबस्टेशन

The EnergyConnect project has emerged as a groundbreaking initiative that will revolutionize the sharing of electricity between New South Wales (NSW), Victoria, and South Australia. At the heart of this transformative project lies Dextra’s indispensable contribution—supplying almost 30,000 meters of glass fiber-reinforced polymer (GFRP) rebar in diameters of 13mm, 25mm, and 38mm. This not only marks a monumental step in the realm of construction but also advances the vision of a more sustainable and interconnected future.

एनर्जीकनेक्ट परियोजना

The EnergyConnect project is a testament to Australia’s commitment to enhancing energy infrastructure and promoting cooperation between states. This project aims to create a robust electricity transmission network, enabling the efficient sharing of power resources across three states. As Australia transitions towards cleaner and more sustainable energy solutions, the EnergyConnect project plays a pivotal role in fostering a resilient and interconnected power grid.

डेक्सट्रा का योगदान

Dextra supplied a substantial quantity of GFRP rebar, showcasing its commitment to providing cutting-edge and sustainable construction materials. The use of GFRP rebar is a game-changer in the construction industry, offering a corrosion-resistant alternative to traditional steel reinforcement.

The 30,000 meters of GFRP rebar, ranging in diameters from 13mm to 38mm, were strategically incorporated to reinforce electrical transmission lines और substation structures. This not only enhances the structural integrity of the infrastructure but also aligns with the broader goal of reducing the environmental impact of construction activities.

जीएफआरपी रेबार के लाभ

GFRP rebar, also known as fiberglass-reinforced polymer (FRP) rebar, offers several advantages in construction. Unlike traditional steel reinforcement, GFRP rebar is corrosion-resistant, making it an ideal choice for projects in regions with challenging environmental conditions. The EnergyConnect project, spanning multiple states with diverse climates, benefits immensely from this corrosion-resistant characteristic, ensuring the longevity and durability of the infrastructure.

Furthermore, GFRP rebar is significantly lighter than steel, simplifying transportation and handling during construction. This enhances efficiency and reduces labor costs, making it an attractive choice for large-scale projects like EnergyConnect.

फ्लैमनविले ईपीआर

पर पोस्ट किया गया Sir Gwi द्वारा

फ्लैमनविले ईपीआर

फ्लैमनविले 100% चीनी डिजाइन के बाद, नई पीढ़ी के ईपीआर डिजाइन (यूरोपीय दबावयुक्त रिएक्टर) के बाद बनाया गया पहला रिएक्टर है। 2019 में सेवा में प्रवेश करते समय इसकी क्षमता 1.3GWe होगी।

डेक्सट्रा 2008 में निर्माण कार्य की शुरुआत से लेकर 2015 तक साइट पर मौजूद रहा है।

For this challenging project, Dextra has been supplying its Griptec rebar स्प्लाइसिंग समाधान through its local fabricator partners. The rebar preparation was supported by an additional machine placed on site.

Griptec is the preferred rebar स्प्लाइसिंग समाधान of the nuclear industry thanks to its unique performance level and an automatic testing process which systematically tests all the connections produced as part of its standard cycle: a guarantee that 100% of the connections perform above project requirement.

More than 800,000 Griptec connections have been used on the project, including 400,000 position assemblies, allowing the connection of large diameter rebar without rotating them. The Griptec connections have been installed on the reactor building and एपीसी शेल, as well as सहायक भवन.

In particular, Griptec has been used for the connections of large prefabricated panels.

Four sided panels with Griptec <span class=महिला स्लीव्स और ब्रिजिंग स्टड्स” width=”303″ height=”198″ />

Four-sided panels with Griptec महिला स्लीव्स और ब्रिजिंग स्टड्स

Thanks to its ब्रिजिंग असेंबलियां, चौकोर पैनल could be reconnected on four-sided panels while coping for possible misalignment that occurs when lifting the cage.

अक्कुयू परमाणु ऊर्जा संयंत्र

पर पोस्ट किया गया Sir Gwi द्वारा

अक्कुयू परमाणु ऊर्जा संयंत्र

अक्कुयू परमाणु ऊर्जा संयंत्र, तुर्की के मेर्सिन प्रांत के बुयुकेसेली में अक्कुयू में निर्माणाधीन एक परमाणु ऊर्जा संयंत्र है। यह देश का पहला परमाणु ऊर्जा संयंत्र होगा।

The four 1,200 MW VVER +3 units, with a total capacity of 4,800 MW, are the world’s first nuclear power plant project implemented on बीओओ (बिल्ड-ओन-ऑपरेट) सिद्धांत (build-own-operate) principles by a subsidiary of Rosatom – Akkuyu NGS Elektrik Uretim AS (Akkuyu Project Company).

पहली इकाई का प्रमुख निर्माण मार्च 2018 में शुरू हुआ और इसके 2023 में चालू होने की उम्मीद है।

दूसरी इकाई का निर्माण 2 साल बाद शुरू हुआ और 2024 तक पूरा होने का अनुमान है, इकाई 3 और 4 का निर्माण क्रमशः 2025 और 2026 में होगा।

डेक्सट्रा ने अब तक सभी 4 रिएक्टरों और सहायक क्षेत्रों में उपयोग के लिए बार एंड तैयारी उपकरण के साथ 700,000 से अधिक फोर्टेक+ कप्लर्स और लॉक नट प्रदान किए हैं।

फोर्टेक+ एक समानांतर थ्रेडेड मैकेनिकल स्प्लिसिंग प्रणाली है जिसे विशेष रूप से यूरोकोड 2, एएसएमई सेक III डिव 2 के अनुपालन में Ø12 से 50 मिमी (एएसटीएम #4 से #18) तक कंक्रीट सुदृढ़ीकरण सलाखों के कनेक्शन के लिए परमाणु परियोजनाओं के लिए डिज़ाइन किया गया है।

With the addition of a lock nut, it was fully engaged onto the extended thread of the connecting bar and helps eliminate the अवशिष्ट विकृति of the splice.

10 sets of bar end preparation system machines were also delivered at the site. The bar end preparation can be achieved in 3 steps: cutting the end of the rebar, ठंडी फोर्जिंग to enlarge the sawn end of the rebar, and threading.

The Fortec+ system adds a fourth step, consisting of quality testing at the end of the rebar preparation process. The threaded bar end is tensile tested at 90% of the rebar yield strength to guarantee its performance.

फोटो क्रेडिट: https://www.dailysabah.com/business/energy/structure-starts-on-2nd-unit-of-turkeys-1st-न्यूक्लियर-पावर-प्लांट-akkuyu?gallery_image=unDefined# बड़ा (एनर्जिया और नेचुरल द्वारा) संसाधन मंत्रालय)

हिंकले प्वाइंट सी परमाणु ऊर्जा संयंत्र

पर पोस्ट किया गया Sir Gwi द्वारा

हिंकले प्वाइंट सी परमाणु ऊर्जा संयंत्र

हिंकले प्वाइंट सी (एचपीसी) परमाणु ऊर्जा स्टेशन यूरोप की सबसे बड़ी और तकनीकी रूप से सबसे जटिल परियोजनाओं में से एक है।

एचपीसी यूके में एक पीढ़ी में बनाया जाने वाला पहला परमाणु ऊर्जा स्टेशन है, और इसके निर्माण के लिए अत्यधिक कुशल कार्यबल और सर्वोत्तम निर्माण और इंजीनियरिंग समाधान की आवश्यकता है।

The HPC Project is located in Somerset, South West England, and will consist of two nuclear reactors capable of generating 3.2GW of low-carbon electricity.

The new power station is being constructed in the same area as the existing Hinkley Point A and B stations. The former ceased operations some time ago, while the latter is decommissioned in 2022.

डेक्सट्रा को एचपीसी के हिस्सों, विशेष रूप से रिएक्टर के विमान प्रभाव सुरक्षा शेल के लिए कंक्रीट सुदृढीकरण के यांत्रिक स्प्लिसेस की आपूर्ति सौंपी गई थी।

More than 2.5 million Griptec couplers have been supplied for the construction of HPC.

Griptec is designed to comply with the most stringent project specifications, and has proven to be a popular system of choice for EPR nuclear power stations, having been used for the construction of the Flamanville 3, Taishan 1, and Taishan 2 power stations.

The Griptec mechanical splice consists of two steel sleeves which are swaged onto the end of the reinforcing bars by a specific machine that was designed and patented by Dextra.

This swaging machine incorporates a systematic, non-destructive pull test. Griptec is the only coupler system that provides an automatic quality control of each processed bar.

Besides Griptec couplers, Dextra is also supplying 3 million headed bars to the project. These are reinforcing bars that are bent on one side and fitted with an anchorage head on the other side and are used for the transverse reinforcement of concrete slabs, rafts, and walls. They allow a much faster and safer site installation than conventional double-bend bars.

When complete, HPC will provide low-carbon electricity for around six million homes.

फुकिंग रिएक्टर 5 और 6

पर पोस्ट किया गया Sir Gwi द्वारा

फुकिंग रिएक्टर 5 और 6

Fuqing Reactor 5 and 6 are the first reactors of Hualong One, based on a 100% Chinese design. Each reactor has a capacity of 1,000 MW, with operations scheduled to begin in 2019 and 2022.

Dextra has been present on-site since the construction of Reactor 5 began in 2015 and is now involved in Reactor 6.

For this challenging project, Dextra has been supplying its Griptec rebar स्प्लाइसिंग समाधान, which is used for रीबार स्प्लाइसिंग in the एपीसी शेल.

Griptec is the preferred rebar स्प्लाइसिंग समाधान in the nuclear industry due to its unique performance level and automatic testing process, which systematically tests all connections as part of its standard cycle—guaranteeing that 100% of the connections exceed project requirements.

More than a million Griptec connections will be used over the years for these two projects, supported by two Griptec machines installed on-site.

Dextra is also supporting the contractor teams on-site with two Dextra engineers rotating to provide operator training, setup, and preventive maintenance services. This ensures optimal production day and night, especially during peak times.

ताइशान ईपीआर 1 और 2

पर पोस्ट किया गया Sir Gwi द्वारा

ताइशान ईपीआर 1 और 2

Taishan EPRs are two nuclear reactors of the EPR type, each with a capacity of 1,750 MW, built by Areva and located near Taishan in Guangdong province, China.

Dextra was present on-site from the beginning of construction in 2009 until 2016. Reactor operations were planned to start in 2017.

For this challenging project, Dextra supplied its Griptec rebar splicing solution, which was used in the concrete structure of the reactor.

The Bartec rebar coupler solution, as well as Headed Bars, was also used in other buildings of the project.

कुडनकुलम परमाणु ऊर्जा संयंत्र (केकेएनपीपी) 3 और 4

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कुडनकुलम परमाणु ऊर्जा संयंत्र (केकेएनपीपी) 3 और 4

कुडनकुलम परमाणु ऊर्जा संयंत्र (या केकेएनपीपी) भारत का सबसे बड़ा परमाणु ऊर्जा स्टेशन है, जो दक्षिणी भारतीय राज्य तमिलनाडु के तिरुनेलवेली जिले के कुडनकुलम में स्थित है।

Two reactors (KKNPP-1 and 2) have been operating since 2013 and 2016, respectively, while two more (KKNPP-3 and 4) are currently under construction following the groundbreaking ceremony held in February 2016.

KKNPP-3 और 4 रूसी डिजाइन (मॉडल VVER-1000/V-412) के दबावयुक्त जल रिएक्टर हैं। ये रिएक्टर KKNPP-1 और 2 के दोहराए गए डिज़ाइन हैं, जिनमें परिचालन अनुभव से कमीशनिंग और फीडबैक के आधार पर और सुधार किए गए हैं।

For the construction of these two units, Dextra supplied 350,000 Bartec couplers to connect rebars in the reactor building, auxiliary building, and spent fuel storage structures.

Bartec is a trusted splicing system, well-known for its high performance in tension, compression, and fatigue. It is widely used in the construction of buildings, bridges, metro systems, nuclear reactors, and more.

Unit 3 is scheduled for completion in March 2023, with Unit 4 following in the subsequent year.

Upon completion, these two reactors will add 2,000 MW of electricity to the existing units, bringing the total site capacity to 4,000 MW.

छवियों के स्रोत: https://twitter.com/daeindia/status/881395402171404288, https://www.deccanherald.com/content/619873/building-units-3-4-kudankulam.html

फैंगचेंगगांग परमाणु ऊर्जा संयंत्र 3 और 4

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फैंगचेंगगांग परमाणु ऊर्जा संयंत्र 3 और 4

चीन दुनिया के सबसे बड़े परमाणु ऊर्जा उत्पादकों में से एक है, और यह लगातार नए रिएक्टरों के साथ अपनी परमाणु ऊर्जा उत्पादन क्षमता का विस्तार कर रहा है।

Units 1 and 2 of the Fangchenggang Nuclear Power Plant have been operational since 2016, while Units 3 and 4 are currently under construction.

A total of six reactors are expected to be operational at the Fangchenggang site. Units 1 and 2 are both CPR-1000 reactors, while Units 3 and 4 are Hualong One reactors. The planned Units 5 and 6 are also expected to be Hualong One reactors.

Construction of Unit 3 began in December 2015, followed by Unit 4 a year later. Dextra has supplied more than 500,000 sleeves of ग्रिपटेक coupler for the reinforcement of the APC structure.

ग्रिपटेक is well known for its reliability and high performance in tension, compression, and fatigue, thanks to its unique design that meets the world’s most stringent project specifications, particularly for nuclear reactor construction.

राजस्थान परमाणु ऊर्जा परियोजना (आरएपीपी) 7 और 8

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राजस्थान परमाणु ऊर्जा परियोजना (आरएपीपी) 7 और 8

राजस्थान परमाणु ऊर्जा परियोजना (आरएपीपी) भारत के राजस्थान के रावतभाटा में एक परमाणु ऊर्जा संयंत्र है, जिसमें 6 दबावयुक्त भारी जल रिएक्टर (पीएचडब्ल्यूआर) इकाइयां और 1,180 मेगावाट की कुल स्थापित क्षमता है।

संयंत्र का मालिक और संचालक, न्यूक्लियर पावर कॉर्पोरेशन ऑफ इंडिया (एनपीसीआईएल), 2 अतिरिक्त रिएक्टर, यूनिट 7 और 8 का निर्माण करके संयंत्र की क्षमता का विस्तार कर रहा है।

जुलाई 2011 में, 700 मेगावाट की क्षमता वाले 7वें रिएक्टर के लिए कंक्रीट डालने का पहला काम (एफपीसी) पूरा हुआ। यूनिट का स्टार्ट-अप ट्रांसफार्मर (एसयूटी) भी चालू किया गया।

8वां रिएक्टर, जिसकी क्षमता इसी तरह 700MW होगी, दिसंबर 2021 में समाप्त होने वाला है।

Dextra has supplied almost 500,000 बार्टेक couplers for the मजबूतीकरण of reactor buildings, सहायक भवन, and spent fuel storages.

The 2 PHWR reactors will boost the plant’s existing capacity by 1,400MW, 700MW of which will be allocated to the state of Rajasthan.