Jining Yanzhou District Dongtai Machinery Co., Ltd.

On March 1, Wang, a student from a university in Nanjing, had an argument with his girlfriend online at the Zhengfang Middle Road subway station and jumped into the subway area in anger. Seeing that the train was about to enter the station, the security guard immediately pressed the emergency stop button to avoid the tragedy, but the train was stopped for several minutes. Wang is currently under administrative detention by the subway police in accordance with the law for disrupting order in public places.
Waterproof and fireproof closed door
Underground waterproof closed door is welded by flat steel plate, tic-shaped rib plate, ring beam, etc. It is used in underground substation and water pump room to prevent sudden intrusion of water. Shandong Dongtai waterproof closed door, waterproof and fireproof closed door can withstand pressure of.
Underground waterproof closed door is a combined waterproof gate. It includes a frame and a gate plate. The frame is sandwiched on the side that contacts the gate plate. There is a retractable groove on the inner side of the waterproof strip frame, and a locking wrench is hinged and stored in the retracting groove. The locking wrench is provided with an anti-falling groove gate plate and a fixed frame is fixed at the position of the locking wrench. There is a gate locking piece pivotally connected to the frame. The gate locking piece includes a &&r-shaped piece and an adjusting bolt screwed on the &&r-shaped piece. When installing, you only need to turn the locking wrench to snap it into the &&r In the &&r groove of the molded part, tighten the adjusting bolt to make the waterproof closed door gate and frame closely fit, thereby achieving waterproofing!
BWaterproof sealed door
BWaterproof sealed door, waterproof sealed door, waterproof door, waterproof fireproof sealed door, inclined iron waterproof sealed door, crank handle waterproof sealed door, coal mine waterproof sealed door, underground waterproof sealed door , mine waterproof sealed doors, explosion-proof waterproof sealed doors, these are called waterproof sealed doors
Product uses of B waterproof sealed doors:
Used for underground main substation and main drainage pump room to lead to the bottom of the well The passageway in the parking lot can be easily closed to prevent sudden intrusion of water.
Precautions for construction of fireproof, waterproof and waterproof closed doors:
Check the concentration of harmful gases such as gas and carbon dioxide at the construction site. The construction site must be well ventilated, and the concentration of gas and carbon dioxide gases shall not exceed the provisions of the "Coal Mine Safety Regulations".
. Check the support conditions of roofs and lanes before and after the construction site. If any problems are found, report and deal with them in a timely manner. Construction can only begin if there are no hidden dangers.
The perimeter of the wall should be re-grooved to see the hard top and hard sides, and the wall should be solidly connected to the coal and rock to make the wall surface smooth and free of cracks, heavy joints and empty joints.
Shandong Dongtai Co., Ltd. mainly produces underground waterproof closed doors, buffer beds, buffer strips, guide troughs, fully sealed guide troughs, wear-resistant plates, anti-spill skirts, mine waterproof doors, fireproof fence doors, inclined /Liscape explosion-proof doors, cleaners, polyurethane scrapers, and other products. Can be customized according to size, after-sales service is in place, welcome to call to purchase.
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Contact: Manager Xu
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