CN104180658A - Mounting method for dedusting system of sintering machine - Google Patents
Mounting method for dedusting system of sintering machine Download PDFInfo
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- CN104180658A CN104180658A CN201410389647.8A CN201410389647A CN104180658A CN 104180658 A CN104180658 A CN 104180658A CN 201410389647 A CN201410389647 A CN 201410389647A CN 104180658 A CN104180658 A CN 104180658A
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Abstract
The invention discloses a mounting method for a dedusting system of a sintering machine. The mounting method comprises the following steps: surveying and setting out on a cement concrete beam of a workshop with the elevation a to determine the spacial position of a central line of a dedusting pipeline and the elevation b; assembling a steel platform, with the elevation a on the upper surface, on the machine head side of the workshop; paving a temporary track that is used for a gantry-type electric suspending vehicle and stretches to the steel platform, and manufacturing the gantry-type electric suspending vehicle; paving a temporary track that is used for a bracket-type electric vehicle and stretches out of the workshop; lifting and mounting a pipeline bracket and all components of the dedusting pipeline; mounting all little hoppers on a cement concrete beam, with the elevation c, of the workshop; paving and welding a walking board inside the dedusting pipeline; modifying the gantry-type electric suspending vehicle into the bracket-type electric vehicle; lifting and mounting all ash collecting hoppers; performing other steps. The mounting method has the advantages that a plurality of defects in the prior art are overcome, the mounting period is shortened, the mounting cost is reduced, the relatively high mounting quality is guaranteed, and the mounting process has reliable security.
Description
Technical field
The present invention relates to a kind of installation method of sintering machine, in particular, the present invention relates to a kind of installation method of sintering machine dust pelletizing system.
Background technology
Generally, sintering machine is mounted in multi storied factory building, and installs by order from bottom to top.In the whole process of installation sintering machine, the operation of most critical is the installation of dust pelletizing system.
Fig. 1, Fig. 2 show respectively the situation of sintering machine dust pelletizing system component units, this component units comprises and is positioned at sintering machine factory building and is arranged on little lattice funnel 2 on upper strata Cement Concrete beam 6, is arranged on the cleaning shaft 3 on middle level Cement Concrete beam 6 and is arranged on the flue-dust retainer 4 of described cleaning shaft 3 belows by support of pipelines 5, and the conventional installation method of this component units comprises the following steps:
(1) on the Cement Concrete beam 6 of factory building absolute altitude a, measure unwrapping wire, determine center line locus and the center line absolute altitude b of cleaning shaft 3;
(2) set up steel platform in factory building head 1 side, the upper surface absolute altitude a of described steel platform is the lower surface absolute altitude of interim slideway (being generally H shaped steel);
(3) make a temporary trolley that is suitable for interim slideway, and in factory building tail side, the power that a hoist engine slides on described interim slideway as dilatory temporary trolley is installed;
(4) temporary trolley is moved to steel platform, the component units of dust pelletizing system is placed on temporary trolley sequentially with 25t crane, drag temporary trolley to corresponding installation site with hoist engine;
(5) with temporary trolley, little lattice funnel 2 is transported to relevant position, then with driving a vehicle and promoted in jack or factory building, and be temporarily fixed at and can not affect the height that cleaning shaft 3 is transported with temporary supporting;
(6) more than a group joint of composition cleaning shaft 3 being transported to relevant position and is brought up to the setting height(from bottom) of support of pipelines 5 with jack with temporary trolley, then, first the support of pipelines 5 under this group joint is installed, then this group joint is fixed on mounted support of pipelines 5;
(7) repeating step (5) and step (6), until each group joint of each little lattice funnel 2, support of pipelines 5 and composition cleaning shaft 3 installs;
(8) be transported to the certain position outside factory building with wooden handcart by being arranged on cleaning shaft 3 flue-dust retainer 4 below, drag it to again the relevant position of described cleaning shaft 3 belows with tractor, then moved to erectility and be pulled to vertically upward with described cleaning shaft 3 with 4 jacks and joined, welding in place;
(9), after described flue-dust retainer 4 installs, cut and peel off the arc of itself and cleaning shaft 3 joining parts, and this piece arc is transported from pipe interior is cut into small pieces;
(10) complete laying and the welding of walking on stage in cleaning shaft 3 inside.
In the installation method of above-mentioned prior art:
The installation of described cleaning shaft 3 each group joint needs the time of 3 days, and all group joint installation in position need the time of 1 first quarter moon to 2 month.
Each needs the time of 1 day the installation of described flue-dust retainer 4, and all flue-dust retainer 4 installation in position need for 20-30 time.
After each flue-dust retainer 4 installs, cut and peel off at itself and described cleaning shaft 3 connecting positions arc must from the inside of described cleaning shaft 3 is cut into small pieces, just can transport again, substantially become the waste product waste material that can not again utilize.
If relatively large cleaning shaft 3 is installed, often need approximately more than 30 machine-team of 25T crane, 400-600 of artificial work days, approximately 10,000 yuan of auxiliary material expenses, approximately 200,000 yuan of total installed cost (TIC)s, and the installation of flue-dust retainer 4 also needs more than 20 machine-team of 25T crane, 200-300 of artificial work days, approximately 5000 yuan of auxiliary material expenses, approximately 100,000 yuan of total installed cost (TIC)s, two expenses amount to approximately 300,000 yuan.
The installation of described support of pipelines 5, can only each group joint of described cleaning shaft 3 be transported to relevant position and the proper height of slinging with jack after just can carry out, and due to limited space, be difficult to after installation, use again its alignment error of instrument testing, be difficult to ensure installation quality.
The installation of the unsettled lifting of described cleaning shaft 3 and described support of pipelines and flue-dust retainer 4, all operates with multiple jacks, requires great effort unavoidably time-consuming; , under unsettled cleaning shaft 3, there is inevitable potential safety hazard in the installation of described support of pipelines 5.
In sum,, really there is many deficiencies in the conventional installation method of described sintering machine dust pelletizing system:
(1) set-up time is long; (2) mounting cost is high; (3) installation quality is difficult for ensureing; (4) installation hidden danger is more.
Summary of the invention
Object of the present invention is exactly the defect that overcomes prior art, and provides a kind of for this reason and shorten the set-up time, reduces mounting cost, ensures installation quality and have the installation method of the sintering machine dust pelletizing system of security.
The installation method of sintering machine dust pelletizing system of the present invention, comprises the following steps:
(1) on the Cement Concrete beam of factory building absolute altitude a, measure unwrapping wire, determine locus and the center line absolute altitude b of cleaning shaft center line;
(2) set up in factory building head side the steel platform that its upper surface is absolute altitude a;
(3) on the Cement Concrete beam of factory building absolute altitude a, lay two for planer-type electric hang car and highly extend to the temporary track of aforementioned steel platform for h, length;
(4) make planer-type electric hang car and be placed on the temporary track of upper surface absolute altitude a+h, then checking its bearing capacity;
(5) on the Cement Concrete beam of factory building absolute altitude 0, lay two for bracket type electric motor car and highly extend to the temporary track of certain distance outside factory building for h, length;
(6) with 25t crane, the component units of dust pelletizing system is placed on steel platform sequentially, then uses planer-type electric hang car by extremely corresponding installation site of its handling;
(7) use planer-type electric hang car by support of pipelines handling to relevant position and complete installation, each group of handling formation cleaning shaft saves and ensures that the surrounding of centerline direction in its counterpart process all possesses enough adjustment surpluses again, then it be installed on support of pipelines successively and complete butt welding, centerline deviation after allowing it to install is ± 5mm that absolute altitude deviation is ± 2mm;
(8) from a factory building left side, (or right) side is used truck crane that little lattice funnel is winched to the Cement Concrete beam of factory building absolute altitude c, re-uses factory building driving each little lattice funnel is lifted into successively to the relevant position of the cleaning shaft top Cement Concrete beam that has completed butt welding and is fixed;
(9) repack planer-type electric hang car into bracket type electric motor car and be placed on the temporary track of upper surface absolute altitude 0+h;
(10) complete the laying of walking on stage described cleaning shaft inside and welding and cut and peel off in the position of the each installation flue-dust retainer in described cleaning shaft bottom and be equivalent to mouth-shaped and big or small arc on described flue-dust retainer, then this arc is transported to outside factory building with bracket type electric motor car, gives over to rear use;
(11) with 25t truck crane, flue-dust retainer is vertically hung in bracket type electric motor car and with described bracket type electric motor car by each flue-dust retainer be transported to successively described cleaning shaft installation site under, first coordinate jack to be risen to the 100-200mm place of distance described cleaning shaft bottom surface with hoist engine, then finely tuned in place and spot welding with jack and fix.
In aforementioned installation method, described planer-type electric hang car comprises two vehicle frames, the upper end of two described vehicle frames is provided with car beam, on described car beam, be provided with slideway, on described slideway, be provided with two cat heads of its formation sliding motion pair and hang, the bottom of two described vehicle frames is respectively arranged with two by motor-driven driving wheel.
In aforementioned installation method, described bracket type electric motor car comprises two vehicle frames, the bottom of two described vehicle frames is provided with by two longitudinal bottom girders and two four frames that horizontal bottom girder forms, the upper end of two described vehicle frames arranges respectively two symmetrical short car beams, and the Si Jiaochu of described four frames is separately installed with by motor-driven driving wheel.
In order to save labor and materials, described bracket type electric motor car is converted by the planer-type electric hang car after using, and its method of modifying is:
(1) at the vehicle frame bottom of described planer-type electric hang car two longitudinal bottom girders of welding and two horizontal bottom girders, make it to form four frames;
(2) remove cat head and hang, and the car beam of described vehicle frame upper end is together cut away together with slideway, then along direction of travel, vehicle frame is made to two symmetries and the rectangle frame perpendicular to bottom four frames;
(3) two symmetrical short car beams are set respectively on the rectangle frame described in two.
So far, described bracket type electric motor car repacking is complete.
Compared with prior art, its beneficial effect is in the present invention:
(1) can greatly shorten installation period of described cleaning shaft: 3-4 group joints just can be installed, 5-7 days whole installation in position just, thereby more than 30 day duration of saving for one day.
(2) can greatly shorten installation period of described flue-dust retainer: 6-8 flue-dust retainers just can be installed for one day, 3-4 days whole installation in position just, thus save more than 20 day duration.
(3) can greatly reduce mounting cost: even if large-scale cleaning shaft is installed, total installation fee also only needs 50,000 yuan, only accounts for 1/4 of original expense, and the total installed cost (TIC) of flue-dust retainer also only needs 30,000 yuan, also 1/3, two expense of not enough original expense only amounts to and needs 80,000 yuan.
(4) can ensure higher installation quality: before described cleaning shaft is installed, just all supports of pipelines are unified to installation in place, being convenient to instrument detects, handling and the counterpart of each group joint of cleaning shaft are subsequently connected relatively easily, thus the installation quality meeting design requirement.
(5) can be salvaged: the arc of described cleaning shaft bottom and described flue-dust retainer connecting position can complete cutting and peeled off, and makes surplus material obtain the chance of recycling.
(6) can ensure security: in the unsettled lifting of cleaning shaft and the installation process of described support of pipelines and flue-dust retainer, enabling of described planer-type electric hang car and bracket type electric motor car greatly reduces the workload of manual operation jack, and the fine setting of the Main Function of jack before to be material installed in place, thereby reduce labour's operation, ensured the personal security in installation process.
Brief description of the drawings
Fig. 1 is the structural representation of sintering machine dust pelletizing system.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the structural representation of planer-type electric hang car.
Fig. 4 is the side view of Fig. 3.
Fig. 5 is the structural representation of bracket type electric motor car.
Fig. 6, Fig. 7 are respectively side view and the top views of Fig. 5.
Detailed description of the invention
For technical scheme of the present invention is more easily understood, below in conjunction with drawings and Examples, it is described in detail.
The installation method of sintering machine dust pelletizing system of the present invention, adopts homemade planer-type electric hang car and bracket type electric motor car to carry out.
With reference to Fig. 3, Fig. 4, described planer-type electric hang car, comprises two vehicle frames 11 making with angle steel, H shaped steel or steel plate; The upper end of two described vehicle frames 11 is provided with car beam 12, described car beam 12 forms by being laid on respectively the steel plate of described vehicle frame 11 width both sides, upper end and being welded on two I-steel between steel plate, two sides of described I-steel footing form respectively two slideways, and the slideway described in two hangs 13 formation sliding motion pairs with two cat heads that are installed on it; The both sides, bottom of two described vehicle frames 11 are separately installed with the driving wheel 14 driving by motor 15.
With reference to Fig. 5, Fig. 6, Fig. 7, described bracket type electric motor car, the upper end that comprises 11, two described vehicle frames 11 of two vehicle frames made from angle steel, H shaped steel or steel plate is respectively arranged with two symmetrical short car beams 16, and described short car beam 16 is made up of the H shaped steel that is welded on described vehicle frame 11 upper ends; The bottom of two described vehicle frames 11 is respectively arranged with two the longitudinal bottom girders 17 and two the horizontal bottom girders 18 that are parallel to each other, horizontal bottom girder 18 described in longitudinal bottom girder 17 described in two and two forms four frames, and the Si Jiaochu of described four frames is separately installed with the driving wheel 14 driving by motor 15.
With reference to Fig. 1, Fig. 2, the installation method of sintering machine dust pelletizing system of the present invention, comprises the following steps:
(1) on the Cement Concrete beam 6 of factory building absolute altitude a, measure unwrapping wire, determine center line locus and the center line absolute altitude b of cleaning shaft 3;
(2) set up steel platform in factory building head 1 side, and to make the upper surface of described steel platform be absolute altitude a;
(3) according to the size in the locus of described cleaning shaft 3 center lines and absolute altitude b and described cleaning shaft 3 spaces, place, on the Cement Concrete beam 6 of factory building absolute altitude a, lay two for planer-type electric hang car and be highly the temporary track of h, and make this temporary track extend to aforesaid steel platform;
(4) according to the upper surface absolute altitude a+h of the width between two temporary tracks, temporary track and the size of installing space, make planer-type electric hang car and check the bearing capacity of described planer-type electric hang car, ensureing to use it for when the different cleaning shaft 3 of caliber is installed and can be applicable to;
(5) according to the size of flue-dust retainer 4 installing spaces, on the Cement Concrete beam 6 of factory building absolute altitude 0, lay two for bracket type electric motor car and highly for h temporary track, and make this temporary track extend to the outer certain distance of factory building;
(6) with 25t crane, the component units of described dust pelletizing system 3 is placed on described steel platform sequentially, then described planer-type electric hang car is started to steel platform along its temporary track, and described in handling, the component units of dust pelletizing system 3 arrives corresponding installation site;
(7) with described planer-type electric hang car by 5 handlings of the support of pipelines for cleaning shaft 3 is installed to relevant position and complete installation, re-use each group joint that the handling of planer-type electric hang car forms cleaning shaft 3, and ensure that each group joint surrounding of its centerline direction in counterpart process has enough adjustment surpluses, then each group joint is installed to successively on described support of pipelines 5 by direction from inside to outside and completes butt welding, centerline deviation after allowing it to install is ± 5mm that absolute altitude deviation is ± 2mm;
(8) from a factory building left side, (or right) side is used truck crane that little lattice funnel 2 is winched to the Cement Concrete beam 6 of factory building absolute altitude c, then uses factory building driving that each little lattice funnel 2 is lifted into successively to the relevant position of the cleaning shaft 3 top Cement Concrete beams 6 that completed butt welding and is fixed;
(9) transform the planer-type electric hang car of having finished the work as bracket type electric motor car, and place it on the temporary track of the upper surface absolute altitude 0+h laying in step (5);
(10) walk on stage and complete welding in the laid inside of described cleaning shaft 3, then lay and described flue-dust retainer 4 arc suitable for reading that its size, shape are equivalent to join with it is cut and peeled off in the position of the cleaning shaft 3 each installation flue-dust retainers 4 in bottom of welding completing to walk on stage, and the arc peeling off is hung in the bracket type electric motor car of handling below being positioned at it and is transported to outside factory building with hoist engine, be persisted in later engineering and use;
(11) bracket type electric motor car is started to factory building, described flue-dust retainer 4 is vertically hung in bracket type electric motor car with 25t truck crane, and use described bracket type electric motor car each flue-dust retainer 4 to be transported to successively under the installation site of each group of joint of described cleaning shaft 3, first coordinate jack to be risen to the 100-200mm place of distance described cleaning shaft 3 bottom surfaces with hoist engine, then finely tuned in place and spot welding with jack and fix.
With reference to Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, the method that described planer-type electric hang car is adapted as to bracket type electric motor car is:
(1) at vehicle frame 11 bottom two longitudinal bottom girders 17 of welding and two horizontal bottom girders 18 of described planer-type electric hang car, make it to form four frames;
(2) remove described cat head and hang 13, and the car beam 12 of described vehicle frame 11 upper ends is together cut away together with slideway, then along its direction of travel, described vehicle frame 11 is made to two symmetries and the rectangle frame perpendicular to bottom four frames;
(3) two symmetrical short car beams 16 are set respectively on the rectangle frame described in two.
Adopt the inventive method that sintering machine dust pelletizing system is installed, its advantage is:
(1) installation of described little lattice funnel 2 does not affect the installation in advance of sintering machine support, and after little lattice funnel 2 installs, the installation of the equipment such as the bellows of sintering machine system and head, tail can be in full swing.
(2) along with in described cleaning shaft 3, each organizes the installation in position successively of joint, can remove successively the part that the temporary track of absolute altitude a+h does not re-use, and the part track after removing is placed in to absolute altitude 0 place of described cleaning shaft 3 belows, until each group joint of described cleaning shaft 3 all installs, the temporary track of absolute altitude 0+h is corresponding formation also.
(3) after described cleaning shaft 3 installs, planer-type electric hang car can be adapted as to bracket type electric motor car, for the flue-dust retainer 4 of described cleaning shaft 3 bottoms is installed, and described cleaning shaft 3 bottoms are positioned to described flue-dust retainer 4 position suitable for reading cut the arc of removing and be transported to outside factory building.
(4) compared with the installation method of sintering machine dust pelletizing system routine, the present invention has simplified the work progress that dust pelletizing system is installed, the operation that makes original crossings on different level and interfere with each other is changed into nowadays parallel expansion and non-interfering operation, both can save the installation in position time, make to transport, counterpart, the operations such as installation in succession complete in the short time on a mobile platform, a large amount of manpowers and construction cost are saved again, thereby effectively solve the installation period that uses routine techniques to bring, the variety of problems of the aspects such as mounting cost and installation quality and installation safety, there is good practicality.
With reference to drawings and Examples, technical scheme of the present invention is schematically described above, this description does not have restricted.Those skilled in the art will be understood that in actual applications, and in the present invention, the shape of each parts or set-up mode some all may occur change, and other staff also may make similar Design under its enlightenment.Special needs to be pointed out is: installation method of the present invention can also be used in installing of other various device systems, as long as it possesses features such as " are arranged in multi storied factory building, installation procedure space multistory intersect and restriction mutually ".Therefore, only otherwise depart from design aim of the present invention, all apparent changes or similar Design, within being all included in protection scope of the present invention.
Claims (6)
1. an installation method for sintering machine dust pelletizing system, is characterized in that, the method comprises the following steps:
(1) on the Cement Concrete beam of factory building absolute altitude a, measure unwrapping wire, determine locus and the center line absolute altitude b of cleaning shaft center line;
(2) set up in factory building head side the steel platform that its upper surface is absolute altitude a;
(3) on the Cement Concrete beam of factory building absolute altitude a, lay two for planer-type electric hang car and highly extend to the temporary track of aforementioned steel platform for h, length;
(4) make planer-type electric hang car and be placed on the temporary track of upper surface absolute altitude a+h, then checking its bearing capacity;
(5) on the Cement Concrete beam of factory building absolute altitude 0, lay two for bracket type electric motor car and highly extend to the temporary track of certain distance outside factory building for h, length;
(6) with 25t crane, the component units of dust pelletizing system is placed on steel platform sequentially, then uses planer-type electric hang car by extremely corresponding installation site of its handling;
(7) use planer-type electric hang car by support of pipelines handling to relevant position and complete installation, each group of handling formation cleaning shaft saves and ensures that the surrounding of centerline direction in its counterpart process all possesses enough adjustment surpluses again, then it be installed on support of pipelines successively and complete butt welding, centerline deviation after allowing it to install is ± 5mm that absolute altitude deviation is ± 2mm;
(8) from a factory building left side, (or right) side is used truck crane that little lattice funnel is winched to the Cement Concrete beam of factory building absolute altitude c, re-uses factory building driving each little lattice funnel is lifted into successively to the relevant position of the cleaning shaft top Cement Concrete beam that has completed butt welding and is fixed;
(9) repack planer-type electric hang car into bracket type electric motor car and be placed on the temporary track of upper surface absolute altitude 0+h;
(10) complete the laying of walking on stage described cleaning shaft inside and welding and cut and peel off in the position of the each installation flue-dust retainer in described cleaning shaft bottom and be equivalent to mouth-shaped and big or small arc on described flue-dust retainer, then this arc is transported to outside factory building with bracket type electric motor car, gives over to rear use;
(11) with 25t truck crane, flue-dust retainer is vertically hung in bracket type electric motor car and with described bracket type electric motor car by each flue-dust retainer be transported to successively described cleaning shaft installation site under, first coordinate jack to be risen to the 100-200mm place of distance described cleaning shaft bottom surface with hoist engine, then finely tuned in place and spot welding with jack and fix.
2. the installation method of sintering machine dust pelletizing system according to claim 1, it is characterized in that, described planer-type electric hang car comprises two vehicle frames, the upper end of two described vehicle frames is provided with car beam, on described car beam, be provided with slideway, on described slideway, be provided with two cat heads of its formation sliding motion pair and hang, the bottom of two described vehicle frames is respectively arranged with two by motor-driven driving wheel.
3. the installation method of sintering machine dust pelletizing system according to claim 1, it is characterized in that, described bracket type electric motor car comprises two vehicle frames, the bottom of two described vehicle frames is provided with by two longitudinal bottom girders and two four frames that horizontal bottom girder forms, the upper end of two described vehicle frames is symmetrically arranged with respectively two short car beams, and the Si Jiaochu of described four frames is separately installed with by motor-driven driving wheel.
4. the installation method of sintering machine dust pelletizing system according to claim 2, is characterized in that, described slideway is made up of two sides of I-steel footing.
5. according to the installation method of the sintering machine dust pelletizing system described in claim 2 or 3, it is characterized in that, described vehicle frame is made with angle steel, H shaped steel or steel plate.
6. the installation method of sintering machine dust pelletizing system according to claim 1, is characterized in that, described bracket type electric motor car is converted by the planer-type electric hang car after using, and its method of modifying is:
(1) at the vehicle frame bottom of described planer-type electric hang car two longitudinal bottom girders of welding and two horizontal bottom girders, make it to form four frames;
(2) remove cat head and hang, and the car beam of described vehicle frame upper end is together cut away together with slideway, then along direction of travel, vehicle frame is made to two symmetries and the rectangle frame perpendicular to bottom four frames;
(3) two symmetrical short car beams are set respectively on the rectangle frame described in two.
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| CN110127520A (en) * | 2019-05-10 | 2019-08-16 | 上海二十冶建设有限公司 | The small lattice funnel of large-type sinterer and dust-fall pipe installation method |
| CN110542312A (en) * | 2019-07-19 | 2019-12-06 | 五冶集团上海有限公司 | Method for mounting lower ash bucket of environment-friendly sintering machine |
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| CN104973517A (en) * | 2015-06-26 | 2015-10-14 | 天津二十冶建设有限公司 | Electric gantry platform for installing sintering machine head equipment and application method thereof |
| CN110127520A (en) * | 2019-05-10 | 2019-08-16 | 上海二十冶建设有限公司 | The small lattice funnel of large-type sinterer and dust-fall pipe installation method |
| CN110127520B (en) * | 2019-05-10 | 2021-01-01 | 上海二十冶建设有限公司 | Method for installing small-lattice funnel and dust-settling pipe of large sintering machine |
| CN110542312A (en) * | 2019-07-19 | 2019-12-06 | 五冶集团上海有限公司 | Method for mounting lower ash bucket of environment-friendly sintering machine |
| CN110542312B (en) * | 2019-07-19 | 2021-07-27 | 五冶集团上海有限公司 | Method for mounting lower ash bucket of environment-friendly sintering machine |
Also Published As
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|---|---|
| CN104180658B (en) | 2015-12-30 |
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Address after: 300301 Dongli District, flawless Street Jintang Highway Bridge No. ten Patentee after: MCC TIANGONG GROUP TIANJIN CO., LTD. Address before: 300301 Dongli District, Tianjin Street Patentee before: Tianjin MCC20 Construction Co., Ltd. |