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Hello, welcome to visit the official website of Hongshun construction engineering company! Our company professional undertaking, chimney new, brick chimney new, chimney transformation, chimney inner wall anti-corrosion, chimney desulfurization anti-corrosion, chimney demolition and higher engineering! Telephone number: 18961988888.
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Demolition of 60m brick chimney

Hits: 720 Release: April 13, 2020 source: Hongshun construction

Construction scheme for chimney demolition
1. When the construction personnel enter the site, they will check the climbing ladder one by one.
2. Because the chimney can not stop production during construction, it is in the state of non-stop construction.
3. The company does not stop production without scaffolding construction.
4. Firstly, the brick chimney is removed and the upper outer diameter is taken as the foundation, and two hoop type support hoops are made and installed.
5. Weld the retaining ring of fixed angle iron on the hoop at a distance of 90 cm.
6. Pull one end of the triangle brace, and make a hook ring around it.
7. Use 40 × 400 × 2000 board to level on triangle support and fix with rope.
8. The construction personnel shall fasten the safety belt on and off the scaffold, and the operator shall stand on the safety belt.
9. The demolition tools are electric pick, sledge hammer, chisel and other tools, with the cooperation of two people in a group, and so on.
10. Remove the waste and land directly from the air.
11. After demolition from 48m to 18m, clean the top and flush the heightening plane with water.
12. Before heightening, one inner concrete ring beam shall be poured first.
13. 12 anti-seismic vertical bars with diameter of 8 are installed on the concrete ring beam.
14. When heightening, the circumferential reinforcement of 6.5 is added per meter, and the anti-seismic crack degree is in accordance with the design requirements of 7 degrees.
15. In order to ensure that the red brick with special-shaped brick can be manufactured in such a proportion that the vertical joint can be made.
16. The masonry mortar is built with 10m mortar.
17. The red brick must drink enough water one day in advance to ensure the bond strength of mortar joint.
18. Lightning rod, lightning wire, ladder and other metal components shall be installed as before.
19. After masonry, the outer wall of chimney is plastered with 15m cement mortar, with a thickness of 3cm, and the appearance is smooth and smooth.
20. After the cement mortar is plastered, 48 hoops and 8 vertical bars shall be reinforced. The metal components must be rust removed and anticorrosive.
21. Such a complete chimney with a diameter of 2.3 meters has been completed, meeting the design requirements of the factory, with a flue gas emission of 180000 m3 / h.
22. In the original design of brick chimney demolition, page 91 of national standard atlas 00g211 (III) 50 / 1.4-0.5-400 is selected, and the reinforcement drawing is 105.
23. The heightening is in accordance with the chimney body drawing on page 44 of the national standard atlas 04g211-50 / 2.0-0.55-250, and the reinforcement drawing is constructed according to page 88.
24. The demolition of brick chimney is designed according to the exhaust temperature of 400 ℃. Now, it is designed and built according to the exhaust temperature of 250 ℃ on page 44. The high part is anti-corrosion with acid resistant mortar, so as to achieve great effect, both anti-corrosion and temperature resistance. 25. When the lower part of chimney is 18m away from the holiday on October 1, the acid resistant cement on the inner wall will be carried out again to synchronize with the upper part to achieve the anti-corrosion effect.
26. The chimney shall be painted with color ring or factory logo, and the design pattern shall be determined after consulting with the manufacturer.


(chimney demolition construction)

Construction preparation before chimney removal and mobilization
1. The construction safety protection measures must be carried out conscientiously, and the construction personnel should strictly implement the following provisions according to the current situation.
2. The personnel entering the site must hold the special worker operation certificate and the work license.
3. Climbing personnel must be insured by insurance company through the company.
4. After entering the site, Party B's construction personnel must receive safety education from Party A's relevant safety supervision department.
5. High altitude workers must be in good health, suffering from mental health, high blood pressure, heart disease and other diseases that are not suitable for high-altitude work. Personnel are not allowed to participate in high-altitude work.
6. The ground personnel shall wear safety helmet when entering the site, and the high-altitude operation personnel must fasten the safety belt.
7. There should be full-time safety monitoring personnel, special personnel should be assigned to take care of the intersections of main passageways, and warning signs should be set at places where objects are easy to fall.
8. All construction tools are suspended by ropes and transported in bags, so as not to hurt others, not to be hurt by others, and not to hurt yourself.
9. All construction personnel shall strictly abide by the rules and regulations of the factory. All safety measures must be approved by the safety department of the factory, so as to ensure the safety and smooth construction of the whole project from top to bottom.

(chimney demolition construction)


"Hongshun Construction Engineering Co., Ltd." mainly undertakes (domestic and foreign) engineering services:
(1) Construction projects: general contracting of civil engineering, construction of cooling tower, sliding form of silo, shifting of formwork, construction of pulling plate, construction of new sliding formwork, anti-corrosion, maintenance, demolition, reinforcement, desulfurization, beautification, heightening, inclination correction, lining replacement, inner wall cleaning, installation of platform, installation of lightning rod, etc, The new construction of the chimney of the rotary kiln, the construction and cleaning of the water tower, granary and silo, and the heightening of the chimney;
(2) Chimney maintenance engineering: chimney construction, chimney reconstruction, chimney ash cleaning, chimney inspection, chimney flaw detection, chimney crack repair, chimney hoop reinforcement, chimney carbon fiber cloth reinforcement, chimney removal and heightening, chimney correction, chimney lining replacement, chimney top mouth repair, maintenance or replacement of lightning protection facilities, chimney painting, kiln maintenance, lining replacement, etc;
(3) Installation engineering: installation at high altitude, installation of chimney, installation of lightning rod, installation of navigation beacon lamp, installation and maintenance of chimney, installation of aviation obstacle light, installation of chimney platform, installation of chimney ladder, installation of stainless steel chimney, etc
 
(4) High altitude beautification project: high altitude decoration, chimney navigation mark, chimney brush navigation mark, painting aviation sign, external wall cleaning, painting navigation mark color ring, exterior wall coating construction, painting chimney color ring, chimney painting, water tower painting, power plant hyperbolic concrete cooling tower painting painting, high space beautification, chimney decoration, etc
(5) Anti corrosion engineering: flue gas desulfurization and anti-corrosion, inner wall of flue gas to prevent damage and anti-corrosion materials for inner wall of chimney: om coating, vitrified brick, five cloth and seven oil glass fiber reinforced plastic, glass flake anti-corrosion, foam glass brick, acid resistant mortar anti-corrosion, anti-corrosion, anti-corrosion engineering, pipeline anti-corrosion, tank anti-corrosion, furnace frame anti-corrosion, power plant anti-corrosion, steel roof truss anti-corrosion, cooling tower anti-corrosion Corrosion and heat preservation; corrosion prevention of spherical grid, steel structure grid, painting corrosion protection of gas station steel structure grid, etc
 
(6) High altitude building engineering: chimney sliding mode, cooling tower sliding mode, inverted cone shell non thermal insulation water tower construction, mushroom shaped water tower construction, umbrella shaped water tower construction, concrete chimney construction, cement chimney moving formwork, new brick chimney, sliding mode construction, silo sliding mode, reinforced concrete sliding mode.



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