CN108996396B - Installation engineering method of the large-scale tray drier in restricted clearance - Google Patents
Installation engineering method of the large-scale tray drier in restricted clearance Download PDFInfo
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- CN108996396B CN108996396B CN201810812901.9A CN201810812901A CN108996396B CN 108996396 B CN108996396 B CN 108996396B CN 201810812901 A CN201810812901 A CN 201810812901A CN 108996396 B CN108996396 B CN 108996396B
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- host
- installation
- pedestal
- equipment
- tray drier
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses large-scale tray driers in the installation engineering method of restricted clearance, adds hoist engine to draw combined hanging measure using crane according to Equipment Foundations position and height, on the basis of large-tonnage equipment is smoothly transported；Units' installation centering is completed in high quality, had both been solved the problems, such as confined space equipment hoisting construction Difficulties in place, and had been shortened the construction period, and saved cost；Its pedestal prepackage location technology makes equipment in place and centering is more efficient and convenient, reduces construction cost, success rate is high, and applied widely, the installation for the large scale equipment of restricted clearance in later similar frame provides reference.
Description
Technical field
The installation method field that the invention belongs to equipment in particular surroundings, and in particular to it is a kind of large size tray drier exist
The installation engineering method of restricted clearance.
Background technique
Continuous disc drying machine is to combine a series of advanced technologies on the basis of intermittent stirring conductive dryer, warp
A kind of multilayer fixation hollow continuously improved and developed is crossed to heat round material containing disk, turn rake stirring, is vertical continuously with heat
Drying equipment based on conduction.It has thermal efficiency height, saving energy, uniform drying, product quality compared with traditional drying equipment
It is good, occupied area is small, compact-sized, pollution less, the advantages that production is continuous, easy to operate and applied widely, be widely used in
The drying operation of the industries superfine powdery material such as chemical industry, dyestuff, pesticide, plastics, medicine and food.
It will be installed more large-sized drying machines in some fibre grade polyphenylene sulfide project, wherein maximum dry type number
For PLG tray drier, outer dimension Ф 3800mm × 8123mm, weight 25T, installation site be on 10 meters of floors,
And bulky dimensions, on the basis of being directly lifted into workshop according to large-scale crane, 260t or more truck crane is needed through calculating, is also needed
The 16m crossbeam at reserved place is removed and carries out consolidation process, as shown in Fig. 2, time-consuming, at high cost for such method.
Summary of the invention
To solve the above problems, the installation engineering method the invention discloses large-scale tray drier in restricted clearance, height
Complete to quality units' installation centering, solo test run once succeeds, and shortens the construction period, reduce construction cost, success rate
Height, it is applied widely.
In order to achieve the above objectives, technical scheme is as follows:
Installation engineering method of the large-scale tray drier in restricted clearance, comprising the following steps:
(1) scene prepares
Tray drier is mounted in the 10m layer to 23m layers of closed workshop of concrete frame, first in concrete frame
Brick wall masonry in portion's carries out reserved installation site, reserves installation site having a size of 6*13m, crossbeam is reserved at 16m；
(2) host and attachment are checked and accepted
Tray drier is unpacked, and checks the title, model, user documents (shipped with equipment) of tray drier, specification, packaging case number (CN),
Whether completely whether damage in transit for case number and packaging, to host, attached parts and components visual examination；
(3) in the lower plane of installation site with snap the line method by centre line marks, embedded board is pre-buried in place, set on embedded board
There is parallels, tray drying machine base is pre-installed, levelling capturing, plan-position tolerance: ± 1.5 mm, absolute altitude are permitted
Perhaps deviation is ± 3mm, and levelness tolerance is 0.1mm/m；
After levelling capturing, parallels and embedded board are welded, and with the angle steel of 10cm high by three in four angles of pedestal
A to be positioned, angle steel is close to pedestal and embedded board welds；
(4) lifting of tray drier is lifted using 100t crawler crane, and head and the tail suspension centre is separately positioned on hanging for host
On ear and supporting leg；
With 100t crawler crane by after the horizontally-arranged lifting to story height of host, carrying tank and setting hoist engine, pulley are utilized
Host, is smoothly transported the lower plane of installation site by these pulling equipments of group；The 23m floor right above host installation site
2 32t pulley blocks are hung, are hoisting tool with 5t hoist engine, using the method that top promotion, lower part slide by host by the state that crouches
It is hung to plumbness, and is promoted to appropriate height；
(5) host be promoted to it is 20-30cm higher than pedestal after, mounting seat, using positioning angle steel block pedestal；Slowly fall
Four stabilizer blade flange factory correspondence markings of four connecting flanges of pedestal and host are attached by host；
(6) it after host is connect with pedestal, is in the milk, and vibrate tamping, is in the milk to junction using contraction-free grouting concrete
Work will have been filled once；
(7) shaft coupling is installed after filling 48h, levelling capturing is carried out to driving device on pedestal, makes shaft vertical level,
Perpendicularity deviation≤H/1000, and it is not more than 3mm；
(8) auxiliary device, pipeline and electric meter are installed by installation diagram；
(9) it is switched on, debugs.
As an improvement of the present invention, installation method described in step (4) is:
1) hoist engine, pulley blocks setting: hoist engine is fixed on 23m floor, the 23m floor right above host installation site
2 32t pulley blocks are hung with the H profile steel of 200*200；
2) host vertical-lift: the height of floor where host is promoted to host outside workshop using 100t crawler crane；
3) it is sent into building: being carried on tank when the head of host drops down onto two 25t being ready on floor, host head is hung
Point decoupling device,
4) it is promoted in building: being hung host in horizontally-arranged state, sling host upper end with the pulling equipment in building, constantly promoted,
100t crawler crane lifts host tail end, and constantly lift is sent forward, until host is hung to plumbness by horizontally-arranged, 100t crawler crane decoupling device,
Host is continued to lift up to appropriate height using hoist engine.
As an improvement of the present invention, it should be checked as follows before step (6) described grouting:
A. whether inspection pad iron tack welding is secured；
B. it taps audition by group with hand hammer and checks whether parallels compresses；
C. clean being rinsed with water at grouting, greasy dirt, floating rust are removed completely, to guarantee grouting material in conjunction with former concrete
Securely.
The beneficial effects of the present invention are:
Large size tray drier of the present invention, can be high in a limited space in the installation engineering method of restricted clearance
Complete to quality units' installation centering, solo test run once succeeds, and shortens the construction period, reduce construction cost, success rate
Height, it is applied widely.
Detailed description of the invention
Fig. 1 is process flow chart of the invention.
Fig. 2 is concrete frame schematic diagram of the present invention.
Fig. 3 is tray drier schematic diagram of the present invention.
Fig. 4 is lifting schematic diagram of the invention.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following specific embodiments are only
For illustrating the present invention rather than limiting the scope of the invention.
Large size tray drier of the present invention restricted clearance installation engineering method, according to host base position and
Height adds hoist engine to draw combined hanging measure using crane, on the basis of large-tonnage equipment is smoothly transported；Both it solved
Confined space equipment hoisting construction Difficulties problem in place, and saved cost；Its pedestal prepackage location technology keeps equipment in place
And centering is more efficient and convenient.
Continuous disc drying machine is mainly by feeding device, screeding device, heating disk, shell, shaft, heating pipeline, machine
The part such as frame, driving device, discharging device forms；Tray drier integrally dispatches from the factory, and is split as two parts: screeding device, heating
The base portion that the part such as the host of the part formation such as disk, shell, shaft, heating pipeline and rack, driving device is formed；It is main
Machine and pedestal are by 4 flanged joints, as shown in Figure 3.
Tray drier of the present invention is mounted in the 10m layer to 23m layers of closed workshop of concrete frame, construction
In take and reserve the brick wall masonry in the middle part of concrete frame, the size of reserved location is 6*13m, and which ensures that set
Standby is smooth in place, and the brick wall for carrying out the reserved area again after equipment is in place builds work, as shown in Fig. 2, reserving at 16m
Crossbeam plays barrier effect, increases safety, prevents equipment from sliding during upright.
Then to equipment and attachment site acceptance
1) title, the model, user documents (shipped with equipment) of tray drier are checked, specification, packaging case number (CN), case number and packaging are in transit
Whether completely whether damage with.
2) check whether user documents (shipped with equipment) and specific purpose tool are complete, review is recorded and transferred.
3) to host, attached parts and components visual examination, and the kind, specification, quantity etc. for verifying components.
Then pedestal pre-installation positioning
According to construction drawing with snap the line method by host center wire tag on the bottom surface of reserved location, first pedestal is pacified in advance
Dress, levelling capturing, plan-position tolerance: ± 1.5 mm, absolute altitude tolerance are ± 3mm, and levelness tolerance is
0.1mm/m.After levelling capturing, parallels and embedded board are welded, and with the angle steel of 10cm high by three in four angles of pedestal
It is a to be positioned and (be close to pedestal and embedded board welds).
After pre-installation, pedestal is displaced away from installation site, reserves abundant space in place to host lifting.
Host lifting
It is lifted using 100t crawler crane, head and the tail suspension centre is separately positioned on the lifting lug and supporting leg of host, such as Fig. 4 institute
Show,
With 100t crawler crane by after the horizontally-arranged lifting to story height of host, carrying tank and setting hoist engine, pulley are utilized
The pulling equipments such as group, in the hole that host is smoothly transported to installation site；23m floor is outstanding right above host installation site
2 32t pulley blocks are hung, are hoisting tool with 5t hoist engine, are promoted using top, the method for lower part sliding is hung host by sleeping state
To plumbness, and by host be promoted to it is 20-30cm higher than pedestal after, mounting seat blocks pedestal using positioning angle steel；Slowly
Host is fallen, four stabilizer blade flange factory correspondence markings of four connecting flanges of pedestal and host are attached.
Grouting
1) it after host is connect with pedestal, is in the milk using contraction-free grouting concrete to basis, should be examined as follows before grouting
It looks into:
A. whether inspection pad iron tack welding is secured；
B. it taps audition by group with hand hammer and checks whether parallels compresses；
C. clean being rinsed with water at grouting, greasy dirt, floating rust etc. should be removed completely, to guarantee grouting material and former concrete
It is firmly combined.
2) concrete should be filled to foundation bolt and base bottom, grouting height to the bottom surface of pedestal when being in the milk, and should be shaken
Tamping is swung, it must not mobile base or increase load before concrete setting.
3) grouting works will be carried out continuously, and cannot be interrupted, and once filled.
Attachment is installed
Shaft coupling is installed after filling 48h, levelling capturing is carried out to driving device on pedestal, makes shaft vertical level, is hung down
Straight degree deviation≤H/1000, and it is not more than 3mm.
Auxiliary devices, pipeline and the electric meters such as charger, blower are installed
1) installation of the auxiliary devices such as charger, blower, which should meet, " installing engineering of petrochemical industry machinery equipment and checks and accepts logical
With rule " requirement；
2) installation of the associated pings such as steam, air hose should meet the requirement of " Industrial Metal pipeline engineering job specfication ".
It boots up, debug after being installed:
1) check whether the connection of equipment each section is reliable, whether lubrication, sealing are normal, and obstruction cannot be speckled on basin
Object.
2) maintenance door is opened, spindle motor is started, stability of rotation has no abnormal sound, and electric current is stablized, and successively checks rake leaf and disk
Bonding state, move it is whether flexible.
3) steam valve is opened, heat drying disk preheats 20 minutes, and tray drier makes pressure gradually be raised to setting value.
4) start feeder, by being added in drier cloth tray to dry material continuous uniform.
5) distribution and moving condition of the observation material on basin at any time, running track.
6) maintenance door is closed, bent material to be dried surveys its water capacity, while measuring discharging yield, and records turning for main shaft
Number, heat medium pressure, temperature, flow, the parameters such as current of electric.
7) the parameter adjustment feeding quantity measured with more than according to design requirement, adjusts the host revolution of drier, is product
Reach the technical requirements of design, and is run under optimal operating parameter.
A. when feeding quantity is constant, the water capacity of material finished product can be increased by improving host revolution, and reducing host revolution can reduce
The water capacity of finished product；
B. when revolution is constant, increasing feeding quantity can be improved the water capacity of finished product, and it is wet that reduction feeding quantity can reduce containing for finished product
Amount；
8) in operational process, pay attention to the operating status for observing motor, speed reducer, controller etc., note abnormalities and stop immediately；
9) inspection door is periodically opened, operating status of the material on basin is observed, prevents windrow；
10) chassis discharging must assure that unimpeded, not allow in chassis stacking material.
11 large-scale tray drier is shared in 3000 tons/year of fiber-grade polyphenyl thioether resin projects of XX unit, is used
The construction technology and construction method of this engineering method, completion units' installation centering, solo test run once succeed in high quality, shorten and apply
The work duration, construction cost is reduced, with than using large-scale crane directly to lift compared with conventional mounting technique in place, every is set
Standby to shorten the construction period 2.5 days, 11 tray driers shorten the construction period nearly one month altogether, reduce artificial, material, machinery, management etc. and apply
About 100,000 yuan of work cost, any quality, safety accident does not occur in construction, operating status is good since putting into operation, after being
The installation of the large scale equipment of restricted clearance provides reference in similar frame.
The technical means disclosed in the embodiments of the present invention is not limited only to technological means disclosed in above embodiment, further includes
Technical solution consisting of any combination of the above technical features.
Claims (3)
1. large-scale tray drier is in the installation engineering method of restricted clearance, it is characterised in that: the following steps are included:
(1) scene prepares
Tray drier is mounted in the 10m layer to 23m layers of closed workshop of concrete frame, first the brick in the middle part of concrete frame
Wall masonry carries out reserved installation site, reserves installation site having a size of 6*13m, crossbeam is reserved at 16m；
(2) equipment and attachment are checked and accepted
Tray drier is unpacked, and the title, model, user documents (shipped with equipment) of tray drier, specification, packaging case number (CN), case number are checked
And whether completely whether damage in transit for packaging, to host, accessory, component visual examination；
(3) in the lower plane of installation site with snap the line method by centre line marks, embedded board is pre-buried in place, and embedded board is equipped with pad
Iron pre-installs tray drying machine base, and parallels and embedded board are welded by levelling capturing, and with the angle steel of 10cm high
Three in four angles of pedestal are positioned, angle steel is close to pedestal and embedded board welds；
(4) lifting of tray drier is lifted using 100t crawler crane, head and the tail suspension centre be separately positioned on host lifting lug and
On supporting leg；
With 100t crawler crane by the horizontally-arranged lifting of host to after story height, using carry tank and setting hoist engine, pulley blocks this
Host is smoothly transported the lower plane of installation site by a little pulling equipments；23m floor is hung right above host installation site
2 32t pulley blocks, are hoisting tool with 5t hoist engine, are promoted using top, host is hung to by the method for lower part sliding by sleeping state
Plumbness, and it is promoted to appropriate height；
Specific installation method is:
A: hoist engine, pulley blocks setting: hoist engine is fixed on 23m floor, and 23m floor is used right above host installation site
The H profile steel of 200*200 hangs 2 32t pulley blocks；
B: host vertical-lift: the height of floor where host is promoted to host outside workshop using 100t crawler crane；
C: it is sent into building: being carried on tank when the head of host drops down onto two 25t being ready on floor, host head suspension centre is plucked
Hook,
D: it is promoted in building: being hung host in horizontally-arranged state, sling host upper end with the pulling equipment in building, constantly promoted, 100t
Crawler crane lifts host tail end, and constantly lift is sent forward, until host is hung to plumbness by horizontally-arranged, 100t crawler crane decoupling device is utilized
Hoist engine continues to lift up host to appropriate height；
(5) host be promoted to it is 20-30cm higher than pedestal after, mounting seat, using positioning angle steel block pedestal；Slowly fall master
Four stabilizer blade flange factory correspondence markings of four connecting flanges of pedestal and host are attached by machine；
(6) it after host is connect with pedestal, is in the milk using contraction-free grouting concrete to junction, and vibrate tamping, grouting works
It once to have filled；
(7) shaft coupling is installed after filling 48h, levelling capturing is carried out to driving device on pedestal, makes shaft vertical level, vertically
Deviation≤H/1000 is spent, and is not more than 3mm；
(8) auxiliary device, pipeline and electric meter are installed by installation diagram；
(9) it is switched on, debugs.
2. large size tray drier according to claim 1 is in the installation engineering method of restricted clearance, it is characterised in that: step
Suddenly levelling capturing described in (3), plan-position tolerance: ± 1.5 mm, absolute altitude tolerance are ± 3mm, and levelness permits
Perhaps deviation is 0.1mm/m.
3. large size tray drier according to claim 1 is in the installation engineering method of restricted clearance, it is characterised in that: step
Suddenly it should be checked as follows before (6) described grouting:
A. whether inspection pad iron tack welding is secured；
B. it taps audition by group with hand hammer and checks whether parallels compresses；
C. clean being rinsed with water at grouting, greasy dirt, floating rust are removed completely, to guarantee that grouting material is firmly combined with former concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810812901.9A CN108996396B (en) | 2018-07-23 | 2018-07-23 | Installation engineering method of the large-scale tray drier in restricted clearance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810812901.9A CN108996396B (en) | 2018-07-23 | 2018-07-23 | Installation engineering method of the large-scale tray drier in restricted clearance |
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| CN108996396A CN108996396A (en) | 2018-12-14 |
| CN108996396B true CN108996396B (en) | 2019-09-20 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114057089A (en) * | 2021-11-05 | 2022-02-18 | 上海二十冶建设有限公司 | Combined hoisting method for large air compressor in limited space |
| CN114909274B (en) * | 2022-06-01 | 2023-06-30 | 中国化学工程第十四建设有限公司 | Installation method of PSA reciprocating compressor for recycling tail gas of ethylene glycol project |
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| JPH0940353A (en) * | 1995-08-03 | 1997-02-10 | Daisue Kensetsu Kk | Lifting device |
| CN202354320U (en) * | 2011-12-12 | 2012-08-01 | 山东凯斯达机械制造有限公司 | Horizontal circular disc continuous drying machine |
| CN106015729A (en) * | 2016-06-08 | 2016-10-12 | 中国十七冶集团有限公司 | Reverse in-position method for vaporization flue in closed plant |
| CN107201829A (en) * | 2017-07-07 | 2017-09-26 | 中化二建集团有限公司 | Large tubular drying machine coal chute beam rotary type installs construction method |
| CN206739814U (en) * | 2017-05-26 | 2017-12-12 | 漳州傲农牧业科技有限公司 | A kind of plate dryer |
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2018
- 2018-07-23 CN CN201810812901.9A patent/CN108996396B/en active Active
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|---|---|---|---|---|
| JPH0940353A (en) * | 1995-08-03 | 1997-02-10 | Daisue Kensetsu Kk | Lifting device |
| CN202354320U (en) * | 2011-12-12 | 2012-08-01 | 山东凯斯达机械制造有限公司 | Horizontal circular disc continuous drying machine |
| CN106015729A (en) * | 2016-06-08 | 2016-10-12 | 中国十七冶集团有限公司 | Reverse in-position method for vaporization flue in closed plant |
| CN206739814U (en) * | 2017-05-26 | 2017-12-12 | 漳州傲农牧业科技有限公司 | A kind of plate dryer |
| CN107201829A (en) * | 2017-07-07 | 2017-09-26 | 中化二建集团有限公司 | Large tubular drying machine coal chute beam rotary type installs construction method |
Non-Patent Citations (1)
| Title |
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