Efficient Dacromet antiseptic treatment technology for contact net steel plates
A treatment process and catenary technology, which is applied in the direction of metal material coating process, etc., can solve the problems of low work efficiency, difficulty in fully contacting Dacromet anti-corrosion coating liquid, uneven Dacromet coating, etc., and achieve high work efficiency Effect
Inactive Publication Date: 2016-10-12
WUHU ZHONGYUAN COMPOSITE NEW MATERIALS CO LTD
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When catenary steel plates for bridges in the prior art are used for Dacromet coating metal anticorrosion treatment, usually the catenary steel plates for bridges are immersed in the Dacromet anticorrosion coating solution one by one, and then taken out and drained piece by piece. The working efficiency of the above-mentioned operation method is low, but it can ensure the uniformity and sufficiency of the Dacromet anti-corrosion coating liquid; It is difficult to fully contact the Dacromet anti-corrosion coating solution with the gap between the catenary steel plates, which will easily lead to insufficient anti-corrosion treatment of the Dacromet coating, and make the Dacromet coating on the surface of the catenary steel plate for bridges uneven
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[0017] refer to figure 1 , figure 1 It is a structural schematic diagram of the catenary steel plate bracket and the bracket rotation driver in a specific embodiment of the present invention, wherein 10 is the bracket limit chassis, 20 is the catenary steel plate string rod, 30 is the rotation driving connecting rod, and 31 is the limit fastening nut , 40 is a rotary drive motor.
[0018] A high-efficiency Dacromet anti-corrosion treatment process for catenary steel plates provided in this embodiment includes the following steps:
[0019] Step 1. Process the catenary steel plate that needs Dacromet anti-corrosion treatment, and then set a plurality of catenary steel plates in series on the catenary steel plate support. The catenary steel plate support includes a bracket limit chassis and a limit chassis set on the bracket There are two catenary steel stringers on the top of the catenary steel stringer, which are arranged symmetrically. The distance between the upper ends of...
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The invention discloses an efficient Dacromet antiseptic treatment technology for contact net steel plates. The technology comprises the following steps that the contact net steel plates needing to be subjected to Dacromet antiseptic treatment are machined, and the multiple contact net steel plates are connected to a contact net steel plate support in series; the contact net steel plate support is connected with a support rotation driver; the contact net steel plates on the contact net steel plate support are rotated to be immersed in a water solution containing a surface active agent for chemical degreasing, and rotation water immersing, drying through blow and shot blasting are conducted; the contact net steel plates on the contact net steel plate support are immersed in Dacromet antiseptic coating liquid and rotated to make contact with the Dacromet antiseptic coating liquid, then, the contact net steel plate support is elevated to enable the contact net steel plates to get away from the Dacromet antiseptic coating liquid, and the excessive Dacromet antiseptic coating liquid is rotated and drained off; and the contact net steel plates on the contact net steel plate support and the contact net steel plate support are taken down from the support rotation driver, and after drying, the contact net steel plates are taken down from the contact net steel plate support.
Description
technical field [0001] The invention relates to the technical field of anti-corrosion treatment of catenary steel plates for bridges, in particular to a high-efficiency Dacromet anti-corrosion treatment process for catenary steel plates. Background technique [0002] The embedded parts of bridges with reinforced concrete structure are prone to corrosion and damage the concrete structure of the bridge due to long-term exposure to various corrosion-causing factors such as freezing damage, chemical corrosion, steel corrosion, and alkali-aggregate reaction; especially due to humidity The effect of carbon dioxide, temperature and carbon dioxide will cause the carbonization of concrete, and the effect of corrosive media such as oxygen, sulfur dioxide and chlorine will further aggravate the corrosion of bridge embedded parts and the damage of concrete structure. Dacromet, also known as Dacromet rust, high-gram rust, zinc-chromium film, etc., refers to coating the metal substrate wi...
Claims
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IPC IPC(8): C23C22/73
CPCC23C22/73
Inventor 晋华明
Owner WUHU ZHONGYUAN COMPOSITE NEW MATERIALS CO LTD