Erecting device and the installation method of industry cylindrical furnace radiating furnace tube
Technical field
The present invention relates to the chemical industry equipment field, specifically refer to a kind of erecting device and installation method of industrial cylindrical furnace radiating furnace tube.
Background technology
Existing industrial cylindrical furnace radiant section furnace pipe construction is all 2 one group usually, be prefabricated into U-shaped, carrying out the scene installs, the conventional mounting mode has 2 kinds, the one, the radiant section furnace top board is not gone up, completely take around scaffold, adopt 25 tons or 50 tons of truck cranes that U-shaped boiler tube is re-layed stove roof plate after installation one by one, the method must be taken full scaffold around cylindrical furnace, workload is very large, re-lay top board after the boiler tube installation in addition, had a strong impact on the top liner construction, larger on the construction period impact of project; Another is by the hole for hoist on the radiation furnace roof, adopt 25 tons or 50 tons of truck cranes that boiler tube is lifted up into burner hearth, with scaffold as support, first deposit in burner hearth, then will deposit into boiler tube in burner hearth by lifting device such as jack or some supplementary means such as manual cucurbit, scaffold and hang one by one the boiler tube installation site, the method drawback is that difficulty of construction is large, and the cycle is long.
Summary of the invention
To be to provide a kind of manufacturings simple, easy to operate, the erecting device of the efficient industrial cylindrical furnace radiating furnace tube of construction to above-mentioned technical problem in order to solve in the present invention, reaches the purpose of simplifying construction procedure, shortening the time limit of constructing.
Another technical problem to be solved by this invention is to provide the installation method of the industrial cylindrical furnace radiating furnace tube of a kind of construction procedure simplification, short construction period.
with regard to the installation machinery of industrial cylindrical furnace radiating furnace tube, the present invention solves the problems of the technologies described above the technical scheme that adopts, a kind of installation machinery of industrial cylindrical furnace radiating furnace tube, comprise base plate, newel, support bar, base plate is fixed on industrial bottom of cylinder, newel is fixed on above base plate, the end that cantilever beam is used for lifting is provided with hanger, support bar one end and cantilever beam are fixedly connected to form leg-of-mutton both sides, the other end of support bar and cantilever beam is respectively equipped with the sleeve that is on same straight line, support bar and cantilever beam are located on newel and can rotate around newel 360 degree by jacket casing.
Preferably, above-mentioned newel top is provided with the top supporting rod that is fixedly connected with industrial cylinder furnace roof, and top supporting rod can overcome the moment of torsion of overarm arm, reduces the intensity of newel and base, reaches the purpose of saving material.
Preferably, the position on above-mentioned newel below the cantilever beam sleeve is provided with supporting plate, and supporting plate is fixed on newel by reinforcement.The external diameter of supporting plate has reinforcement to be connected with newel greater than the external diameter of sleeve below supporting plate.
Preferably, above-mentioned support bar is provided with the handle for manually-operated, and the setting height(from bottom) of handle is advisable for ordinary person's chest locations.
Preferably, a side of above-mentioned overarm arm lifting is provided with plug, and the radius of plug is greater than the radius of overarm arm pipe.Radiant tube landing during the effect of plug is can prevent from lifting.
Preferably, be provided with the ring flat-plate that annular is strengthened sleeve intensity in above-mentioned sleeve, use ring flat-plate can reduce sleeve thickness and save material, and the gap of reducing between sleeve and newel strengthen stability.
with regard to industrial cylindrical furnace radiating furnace tube installation method, this method is that the construction method that solves the problems of the technologies described above comprises the steps: above-mentioned erecting device vertically is placed in the cylindrical furnace middle part, and be fixed in cylindrical furnace bottom by base plate, top supporting rod is fixed in the cylindrical furnace top, then utilize the U-shaped pipe that crane will preset to hang on the cantilever beam-ends that machinery is installed, workmen's driving handle makes cantilever beam structures rotate around newel, forward boiler tube to position to be installed, mount 2 lifting ropes on the suitable position of boiler tube such as center of gravity, lifting device such as the manual cucurbit of rotating on hanger are promoted to the installation site with boiler tube, the workmen shifts onto on the boiler tube lift hook position boiler tube is parallel again, the operation lifting device drops on suspension hook boiler tube, install again.
Repeat above-mentioned steps, whole radiant tubes are installed.
The cylindrical furnace radiant coil is all to be prefabricated into U-shapedly usually, and 2 one group is all generally to use the crane lifting radiant tube.
Compared with prior art, adopt installation machinery of the present invention and construction method, have following significant technique effect: 1, adopt this machinery to construct, greatly reduced the construction volume of scaffold; 2, the construction of Roof lining also can be fulfiled ahead of schedule, can not install boiler tube to exert an influence; 3, this machinery can repeat to remove and use, and saves construction cost.
Description of drawings
Fig. 1 is the structural representation of machinery;
Fig. 2 is the top view of machinery;
Wherein: 1, newel; 2, sleeve; 3, ring flat-plate; 4, supporting plate; 5, reinforcement; 6, base plate; 7, handle; 8, support bar; 9, hanger; 10, cantilever beam; 11, top supporting rod; 12, plug
The specific embodiment
Structural representation below in conjunction with Fig. 1 machinery is done further detailed description.The size of machinery, the kind of material, and the installation site of parts can be chosen according to the needs of construction.Being fixedly connected with of machinery can be for welding, be threaded and riveted joint etc., reaches requirement of strength and gets final product.As embodiment, the mode of being fixedly connected with adopts welding to the below with whole optimal design of machinery.
Machinery should be drawn the construction material cutting plan according to the specification of cylindrical furnace radiant section, and material cutting plan should meet the following requirements: cantilever beam 10 length must be less than the radius of boiler tube suspension hook to the cylindrical furnace center, and machinery is highly slightly also lower than lift hook position; Should take into full account the control of welding deformation in the mechanical welding termination process.
Machinery production is generally selected following material: newel 1 is selected seamless carbon steel tube; Sleeve 2 is generally selected seamless carbon steel tube; Cantilever beam 10 and support bar 8 adopt seamless carbon steel tube; Handle 7 adopts seamless carbon steel tube; Ring flat-plate 3, reinforcement 5 plates adopt carbon steel sheet; Supporting plate 4, plug 12, hanger 9, fixation steel plate all adopt carbon steel sheet; Top supporting rod 11 adopts angle steel, hangs jack on hanger 9, and jack is used for promoting radiant tube, and jack is a kind of lifting device that often uses in construction, as cucurbit.The safety coefficient of jack will meet the safe construction requirement.Except jack, also can use electric hoist etc.
Make this machinery, first a fixation steel plate is welded in newel 1 position at the bottom of all-radiant furnace, the welding method of section weldering between this steel plate and drop-bottom are used, and then center ring flat-plate 3, supporting plate 4 and reinforcement 5 plates on welding newel 1, take full weld, the control welding deformation; Then newel 1 is vertical straight, the up and down sleeve 2 of packing into, the gap of inspection newel 1 and sleeve ring flat-plate 3 requires newel 1 and ring flat-plate 3 gaps suitable, generally surpasses 5mm; It is fixing that gusset 5 adopt to be strengthened in newel 1 bottom, is welded on the steel plate on radiation bottom centre post 1, takes the mode of full weld; Top supporting rod 11 is made T-shaped, adopts the support angle steel to be fixed on the beam of radiation top convection current framework, and three top supporting rods 11 are welded and fixed with furnace roof, the position that furnace roof does not have the demifacet of top supporting rod 11 welding to enter as Tube sling; And then the cantilever beam 10 of electroplating equipment wielding machine, support bar 8, plug 12 and handle 7, full weld is all taked in this welding; Rotate at last this machinery, check rotating effect, can suitably add some butter in sleeve 2, to facilitate the rotation of this machinery.
Fig. 2 has provided mechanical top view, in order to show the structure of top supporting rod 11.Top supporting rod 11 does not only have the T-shaped structure in figure, can be designed to as required a word structure, perhaps rice word structure.
A kind of industrial cylindrical furnace radiating furnace tube installation method, be based on that above-mentioned machinery realizes, first will hang oneself from a beam arm 10 rotation to the position that can hang in U-shaped boiler tube, then use crane will prefabricated U-shaped boiler tube to be placed on plug 12 inboards on the arm 10 of hanging oneself from a beam, prevent that boiler tube from skidding off; Then the workmen rotates overarm arm 10 by the active force on handle 7 or support bar 8, and U-shaped boiler tube is rotated to the position that is suitable for installing; Then mount 2 lifting ropes on U-shaped pipe correct position such as center of gravity, then use lifting device on hanger 9 such as manual cucurbit or electric hoist that boiler tube is promoted to the installation site, U-shaped boiler tube is installed.
Repeat above-mentioned steps, U-shaped radiating furnace tube in whole industrial cylindrical furnaces can be installed.Realize the step of above-mentioned installation process, can use a small amount of scaffold and manpower.
Installation machinery of the present invention and construction method, on probation in certain 3,300,000 ton/years of diesel oil hydrogenation project, certain 600,000 ton/years of a plurality of engineering project such as Aromatic Hydrocarbon United Plant.Through check, in using, engineering brought into play outstanding effect, realized that the utilization of resources is high, improved the significant beneficial effect such as efficiency of construction and construction quality.