CN101928578A - Installation method of coke dry-quenching loading device - Google Patents
Installation method of coke dry-quenching loading device Download PDFInfo
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- CN101928578A CN101928578A CN2009100534807A CN200910053480A CN101928578A CN 101928578 A CN101928578 A CN 101928578A CN 2009100534807 A CN2009100534807 A CN 2009100534807A CN 200910053480 A CN200910053480 A CN 200910053480A CN 101928578 A CN101928578 A CN 101928578A
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Abstract
The invention relates to the field of metallurgy equipment installation, in particular to an installation method of a coke dry-quenching loading device. The installation method of the coke dry-quenching loading device comprises the following steps: a, installation of elevation and setting of central reference point; b, installation of a water sealed tank on the top of a quenching groove; c, installation and correction of a walking track frame, a walking track and a guiding frame; d, installation of a hopper trolley; e, installation of a hopper; f, installation of a furnace cover trolley; g, installation of a furnace cover; h, installation of a drive device; i, installation of a coke pot fixed support; j, installation of dust-collecting pipeline; k, installation of a walking table, a railing and a ladder; and l, installation of a lubricant device and a pipeline. In the invention, through the strictly-designed standard installation and detection reference, the installation method is simple, safe and reliable and has high work efficiency.
Description
Technical field
The present invention relates to the metallurgical equipment installing area, be specially a kind of installation method of coke dry-quenching loading device.
Background technology
Dry quenching(of coke) is that new in the world at present of being born smelts power-saving technology, and its English name is Coke Dry Quenching, is called for short CDQ.Dry coke quenching is to be thermal barrier with circulated inert gas, discharges below by recirculation blower cold recycle gas being imported red burnt cooling room cooling down high-temperature coke to 250 ℃.Cycling hot conductance behind the absorption coke heat is gone into waste heat boiler and is reclaimed heat, produces steam.After recycle gas cooling, the dedusting, return cooling room through blower fan again, so red Jiao of circulation cooling.The steam that coke dry quenching boiler produces or incorporate factory's internal steam pipe net into or send to generating.Dry Quenching Technology is great energy-conservation project, owing in closed system, finish the quenching process, compares with common coke wet quenching, but basically eliminate phenol, HCN, H
2S, NH
3Discharging, reduce the discharging of burnt dirt, and save the quenching water.Coke dry-quenching loading device is installed on the platform at coke dry quenching groove top, cooperates the quenching groove of packing into red Jiao in burnt jar with lift.Its function mainly contains two, by instruction open and close bell and red Jiao through the hopper of packing into the quenching groove of packing into.Coke dry-quenching loading device mainly is made up of the hopper of packing into, bell, chassis, drive unit, control of dust pipeline etc.Electronic cylinder is arranged on bell on the chassis and hopper along track travel by drive unit traction, and order is finished and opened bell, hopper is aimed at quenching tank furnace mouth, or hopper is removed, and closes the action of bell.Because Dry Quenching Technology belongs to emerging field, only there is enterprise of the man a few family of very few number in the unit of domestic this method of employing, also is in the stage of fumbling for the installation of dry coke quenching equipment, exists much not science, irrational place, the installation process complexity.
Summary of the invention
In order to overcome the defective of prior art, a kind of safe and reliable metallurgical equipment installation method is provided, the invention discloses a kind of installation method of coke dry-quenching loading device.
The present invention reaches goal of the invention by following technical solution:
A kind of installation method of coke dry-quenching loading device, carry out successively as follows: a. installs absolute altitude, center reference point is provided with, and b. quenching groove upper water sealing groove is installed, c. walking rails framework and walking rails, guide frame are installed and are proofreaied and correct, and d. hopper chassis is installed, and the e. hopper is installed, f. the bell chassis is installed, g. bell is installed, and the h. drive unit is installed, and i. is burnt, and jar stationary bearing is installed, j. control of dust pipelining, k. walk on stage, railing, ladder install, l. lubrication fittings and pipelining is characterized in that:
A., absolute altitude is installed, when the center reference point is provided with, the reference for installation center of coke dry-quenching loading device is that benchmark is adjusted, set with the actual traveling medullary ray and the quenching tank furnace cause for gossip border medullary ray of lift, the permission adjusted value of these three medullary rays is ± 10mm, set device was installed longitudinal and transverse reference line after adjustment finished
C. walking rails framework and walking rails, guide frame are installed timing, the backing plate group of the adjustment of walking rails absolute altitude below framework carried out, under the cold conditions situation, the absolute altitude of orbital plane is adjusted into plus deviation, the guide frame of the left and right sides after finishing, is installed in adjustment, and the backing plate group below the adjustment guide frame
When d. the hopper chassis is installed, respectively hopper chassis and bell chassis are installed on the adjusted walking rails,
When e. hopper is installed, earlier the bottom hopper is installed on the hopper chassis, the water seal cover and the lifting actuator thereof at hopper end opening place is installed again, the liner plate in the hopper of top is installed then, top hopper and sliding support are installed at last,
H. after the electronic cylinder installation of drive unit installation is proofreaied and correct and is finished, the block of burn-oning all around in the base junction,
J. during control of dust pipelining, even the gap adjustment at the position of freely stretching.
Described installation method of coke dry-quenching loading device; It is characterized in that: after coke dry-quenching loading device installs; Carry out the coke dry-quenching loading device test running; Test running is carried out as follows successively: a. fills, fills out lubricant grease; B. centralized lubrication device debugging; C. electric cylinder unit test running; D. electric cylinder band bell chassis operates manually; E. electric cylinder band bell chassis and hopper chassis operate manually; F. the whole test running operation of charging apparatus on-site manual; G. the system interlink test running of packing into operation
Described installation method of coke dry-quenching loading device is characterized in that: the whole trial trip operation of f. charging apparatus on-site manual, carry out successively as follows:
A. bell is covered on the fire door of quenching groove, bell center and quenching tank furnace mouth center are consistent, the position that this moment, electronic cylinder push rod was released is defined as the final position that charging apparatus is closed the bell actuating length;
B. the hopper of will packing into moves on on the fire door of quenching groove, and the center of hopper end opening and quenching tank furnace mouth center are consistent, and the position of electronic cylinder pusher retracted is defined as the final position that charging apparatus is opened the bell actuating length with this moment;
C. adjust the furnace cover and lifting counterweight, guarantee that bell can normally rise, fall;
D. adjust the counterweight on the bell body and the length of two chain slings and make bell maintenance level, the tension degree of two chain slings is identical;
E. adjust the length of two chain slings on the bell, make the insertion water seal depth on bell water seal edge meet the requirement of design and equipment and technology file, its permissible variation is in ± 10mm scope;
F. the hopper chassis is shifted to the position of packing into from stand-by station, make the hopper of packing into be parked in the dried preceding 150mm place of stove loading port of putting out.Adjust the position of lobe plate, make the running roller of the water seal cover hoisting appliance of hopper bottom be on the lobe plate and will begin and rise along the inclined-plane of lobe plate;
G. adjust the position of lobe plate, guarantee that the water seal cover with the horizontality stable landing, inserts water sealed tank;
H. the hopper of will packing into is aimed at quenching groove loading port, adjust 4 chain sling length of water seal cover, make the insertion water seal depth of water seal cover meet the requirement of design and equipment and technology file, its permissible variation is in ± 5mm scope, and the lower-most point of the lifting travel of water seal cover and water seal cover and the distance of water sealed tank upper edge meet the requirement of design and equipment and technology file;
I. adjust the weight of water seal cover hoisting appliance counterweight, when making the running roller disengaging lobe plate of water seal cover hoisting appliance, the water seal cover relies on the strength of counterweight to hoist automatically.
The present invention is by the installation and the detection reference of strict design specifications, and is simple to operate, safe and reliable, the operating efficiency height.
Description of drawings
Fig. 1 is installation procedure figure of the present invention;
Fig. 2 is a coke dry-quenching loading device trial trip schema among the present invention.
Embodiment
Below further specify the present invention by specific embodiment.
Embodiment 1
A kind of installation method of coke dry-quenching loading device, carry out successively as follows: a. installs absolute altitude, center reference point is provided with, and b. quenching groove upper water sealing groove is installed, c. walking rails framework and walking rails, guide frame are installed and are proofreaied and correct, d. the hopper chassis is installed, and the e. hopper is installed, and f. bell chassis is installed, g. bell is installed, h. drive unit is installed, and i. is burnt, and jar stationary bearing is installed the pipelining of j. control of dust, k. walk on stage, railing, ladder install l. lubrication fittings and pipelining.
Finish following preparation of construction before the installation:
1 coke dry-quenching loading device installation plan and equipment are installed, working instructions are complete.
2 charging apparatus factory-assembled record of survey, trial trip are write down complete.
3 equipment vanning inventory and equipment unit packing list are complete.
3 construction process record of search tables work out, put in order and finish.
4 engineering technical personnel fully digest relevant drawing, technical publications, construction inspection rules and approved " construction organization design ", and confide a technological secret to the operating personnel on this basis.
5 liftings, Transport Machinery are implemented, worker's facility etc. prepared to put in place.
6 transport to the quality inspection before on-the-spot equipment is all installed, and the problem that exists has been decided through consultation processing scheme with equipment manufacturing and applying unit.
7 coke dry quenching slot shells and quenching channel-section steel structure have been constructed and have been finished and acceptance(check).
8 installation exercise passages are all unimpeded, and platform, railing all form around the operation, and security measures is all on board.
Can begin after preparation of construction is finished to install, installation procedure figure as shown in Figure 1,
1. the setting at reference for installation center
Charging apparatus is in production run, be connected with lift last, to being connected with quenching tank furnace mouth down, therefore, the reference for installation center of charging apparatus should be that benchmark is adjusted, set with the actual traveling medullary ray and the quenching tank furnace cause for gossip border medullary ray of lift, these three medullary rays should overlap in theory, during actually operating, allow adjusted value to be ± 10mm.After the adjustment, set " equipment is installed longitudinal and transverse reference line ", afterwards, just carry out equipment and install.
2. the absolute altitude reference point of charging apparatus should be set according to size according to quenching groove top absolute altitude.
3 by center attachment rail framework and the walking rails set, and the backing plate group of the adjustment of walking rails absolute altitude below framework carried out, and the absolute altitude of orbital plane is adhered to specification.Under the cold conditions situation, the absolute altitude of orbital plane should be adjusted into plus deviation.
Backing plate group below the guide frame of the 4 installation left and right sides, adjustment guide frame makes the absolute altitude of guide frame and position meet designing requirement.
5 are installed to hopper chassis and bell chassis on the adjusted walking rails respectively.
The installation of 6 hoppers
Earlier the bottom hopper is installed on the hopper chassis, the water seal cover and the lifting actuator thereof at hopper end opening place is installed again, top hopper (liner plate in the hopper of top installs earlier) is installed at last, sliding support etc.
After 7 bell chassis and the bell installation, adjust bolt by bell and can adjust bell height up and down.
After the electronic cylinder installation of 8 drive units was proofreaied and correct and finished, the block of must burn-oning all around in the base junction prevented that electronic cylinder is subjected to displacement when work.
Should be even during 9 control of dust pipelining the gap adjustment at the position of freely stretching.
The installation dimension of 10 charging apparatus and precision should meet design and code requirement, the permissible variation and the method for inspection are installed as shown in Table 1.
Can begin trial trip after coke dry-quenching loading device installs, the trial trip schema as shown in Figure 2.
The condition that should possess before the trial trip
(1) the centrallubrication device has been debugged and has been finished, and each oiling point normally supplies lubricating oil, fat.
(2) do not have interference and obstacle in the charging apparatus moving range, each inter-agency nothing is interfered.
(3) counterweight of bell, water sealed tank, dust guard weight and position by drawing installs.
(4) all holding bolts, nut non-loosening.
(5) installation site of walking rails, guide frame is correct, dried water sealed tank height and the correct position that puts out fire door.
(6) electronic cylinder routine tests finishes.
Trial trip is manually to shake the manual operation of electronic cylinder wheel, charging apparatus is finished pack into all processes of action, and each mechanism is adjusted.Trial trip is by noting following steps:
(1) confirm to pack into hopper and bell width between centers and permissible variation meets and designs and the requirement of equipment and technology file.
(2) bell is covered on the fire door of quenching groove, bell center and quenching tank furnace mouth center are consistent, the position that this moment, electronic cylinder push rod was released is defined as the final position that charging apparatus is closed the bell actuating length.
(3) hopper of will packing into moves on on the fire door of quenching groove, and the center of hopper end opening and quenching tank furnace mouth center are consistent, and the position of electronic cylinder pusher retracted is defined as the final position that charging apparatus is opened the bell actuating length with this moment.
(4) adjust the furnace cover and lifting counterweight, guarantee that bell can normally rise, fall.
(5) counterweight on the adjustment bell body and the length of two chain slings make bell maintenance level, and the tension degree of two chain slings is identical.
(6) adjust the length of two chain slings on the bell, make the insertion water seal depth on bell water seal edge meet the requirement of design and equipment and technology file, its permissible variation is in ± 10mm scope.The lift height of bell and bell water seal meet the requirement of design and equipment and technology file along the distance of lower-most point and water sealed tank upper edge.
(7) the hopper chassis is shifted to the position of packing into from stand-by station (bell off-position), make the hopper of packing into be parked in the dried preceding 150mm place of stove loading port of putting out.Adjust the position of lobe plate, make the running roller of the water seal cover hoisting appliance of hopper bottom be on the lobe plate and will begin and rise along the inclined-plane of lobe plate.
(8) position of adjustment lobe plate guarantees that the water seal cover with the horizontality stable landing, inserts water sealed tank.
(9) hopper of will packing into is aimed at quenching groove loading port, adjusts 4 chain sling length of water seal cover, makes the insertion water seal depth of water seal cover meet the requirement of design and equipment and technology file, and its permissible variation is in ± 5mm scope.The distance of the lower-most point of the lifting travel of water seal cover and water seal cover and water sealed tank upper edge meets the requirement of design and equipment and technology file.
(10) weight of adjustment water seal cover hoisting appliance counterweight, when making the running roller disengaging lobe plate of water seal cover hoisting appliance, the water seal cover relies on the strength of counterweight to hoist automatically.
After operation adjustment manually is qualified, carry out the on-site manual operation.Carry out the crawl operation earlier, after the accurate no abnormal situation, carry out continuous manual operation, make charging apparatus finish working cycle several times.
Claims (3)
1. an installation method of coke dry-quenching loading device carries out: a. installation absolute altitude, the setting of center reference point, the installation of b. quenching groove upper water sealing groove as follows successively, c. walking rails framework and walking rails, guide frame are installed and are proofreaied and correct, and d. hopper chassis is installed, and the e. hopper is installed, f. the bell chassis is installed, g. bell is installed, and the h. drive unit is installed, and i. is burnt, and jar stationary bearing is installed, j. control of dust pipelining, k. walk on stage, railing, ladder install, l. lubrication fittings and pipelining is characterized in that:
A., absolute altitude is installed, when the center reference point is provided with, the reference for installation center of coke dry-quenching loading device is that benchmark is adjusted, set with the actual traveling medullary ray and the quenching tank furnace cause for gossip border medullary ray of lift, adjust the back set device that finishes longitudinal and transverse reference line be installed,
C. walking rails framework and walking rails, guide frame are installed timing, the backing plate group of the adjustment of walking rails absolute altitude below framework carried out, under the cold conditions situation, the absolute altitude of orbital plane is adjusted into plus deviation, the guide frame of the left and right sides after finishing, is installed in adjustment, and the backing plate group below the adjustment guide frame
When d. the hopper chassis is installed, respectively hopper chassis and bell chassis are installed on the adjusted walking rails,
When e. hopper is installed, earlier the bottom hopper is installed on the hopper chassis, the water seal cover and the lifting actuator thereof at hopper end opening place is installed again, the liner plate in the hopper of top is installed then, top hopper and sliding support are installed at last,
H. after the electronic cylinder installation of drive unit installation is proofreaied and correct and is finished, the block of burn-oning all around in the base junction,
J. during control of dust pipelining, even the gap adjustment at the position of freely stretching.
2. installation method of coke dry-quenching loading device as claimed in claim 1; It is characterized in that: after coke dry-quenching loading device installs; Carry out the coke dry-quenching loading device test running; Test running is carried out as follows successively: a. fills, fills out lubricant grease; B. centralized lubrication device debugging; C. electric cylinder unit test running; D. electric cylinder band bell chassis operates manually; E. electric cylinder band bell chassis and hopper chassis operate manually; F. the whole test running operation of charging apparatus on-site manual; G. the system interlink test running of packing into operation
3. installation method of coke dry-quenching loading device as claimed in claim 2 is characterized in that: the whole trial trip operation of f. charging apparatus on-site manual, carry out successively as follows:
A. bell is covered on the fire door of quenching groove, bell center and quenching tank furnace mouth center are consistent, the position that this moment, electronic cylinder push rod was released is defined as the final position that charging apparatus is closed the bell actuating length;
B. the hopper of will packing into moves on on the fire door of quenching groove, and the center of hopper end opening and quenching tank furnace mouth center are consistent, and the position of electronic cylinder pusher retracted is defined as the final position that charging apparatus is opened the bell actuating length with this moment;
C. adjust the furnace cover and lifting counterweight, guarantee that bell can normally rise, fall;
D. adjust the counterweight on the bell body and the length of two chain slings and make bell maintenance level, the tension degree of two chain slings is identical;
E. adjust the length of two chain slings on the bell, make the insertion water seal on bell water seal edge;
F. the hopper chassis is shifted to the position of packing into from stand-by station, make the hopper of packing into be parked in dried put out the stove loading port before, adjust the position of lobe plate, make the running roller of the water seal cover hoisting appliance of hopper bottom be on the lobe plate and will begin and rise along the inclined-plane of lobe plate;
G. adjust the position of lobe plate, guarantee that the water seal cover with the horizontality stable landing, inserts water sealed tank;
H. the hopper of will packing into is aimed at quenching groove loading port;
I. adjust the weight of water seal cover hoisting appliance counterweight, when making the running roller disengaging lobe plate of water seal cover hoisting appliance, the water seal cover relies on the strength of counterweight to hoist automatically.
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| CN 200910053480 CN101928578B (en) | 2009-06-19 | 2009-06-19 | Installation method of coke dry-quenching loading device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102492437A (en) * | 2011-11-24 | 2012-06-13 | 南京钢铁股份有限公司 | Method for short-time on-line replacement of coke dry quenching furnace water sealed tank |
| CN106938390A (en) * | 2016-01-05 | 2017-07-11 | 五冶集团上海有限公司 | Dry coke quenching burnt tank carrier loader installation method in bulk |
| CN106978198A (en) * | 2017-04-14 | 2017-07-25 | 宣化钢铁集团有限责任公司 | A kind of safety, the servicing unit of quick-replaceable coke dry quenching furnace water sealed tank and method |
| CN107699256A (en) * | 2017-10-13 | 2018-02-16 | 佛山市高研信息技术有限公司 | A kind of new controllable environmental protection and energy saving coke quenching auxiliary |
| CN110283606A (en) * | 2019-06-04 | 2019-09-27 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of method of fast online replacement dry coke quenching bell |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101205471A (en) * | 2007-12-12 | 2008-06-25 | 中冶焦耐工程技术有限公司 | Red coke charging dust arrester for coke dry quenching |
| CN201259626Y (en) * | 2008-09-12 | 2009-06-17 | 武汉钢铁(集团)公司 | Anti-collision detection device for dry quenching hoister and load device |
-
2009
- 2009-06-19 CN CN 200910053480 patent/CN101928578B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101205471A (en) * | 2007-12-12 | 2008-06-25 | 中冶焦耐工程技术有限公司 | Red coke charging dust arrester for coke dry quenching |
| CN201259626Y (en) * | 2008-09-12 | 2009-06-17 | 武汉钢铁(集团)公司 | Anti-collision detection device for dry quenching hoister and load device |
Non-Patent Citations (1)
| Title |
|---|
| 颜钰: "干熄焦设备安装技术研究与实践", 《中国优秀硕士学位论文全文库（电子期刊）工程科技2辑》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102492437A (en) * | 2011-11-24 | 2012-06-13 | 南京钢铁股份有限公司 | Method for short-time on-line replacement of coke dry quenching furnace water sealed tank |
| CN106938390A (en) * | 2016-01-05 | 2017-07-11 | 五冶集团上海有限公司 | Dry coke quenching burnt tank carrier loader installation method in bulk |
| CN106978198A (en) * | 2017-04-14 | 2017-07-25 | 宣化钢铁集团有限责任公司 | A kind of safety, the servicing unit of quick-replaceable coke dry quenching furnace water sealed tank and method |
| CN106978198B (en) * | 2017-04-14 | 2020-08-11 | 宣化钢铁集团有限责任公司 | Auxiliary device and method for safely and quickly replacing water seal tank of dry quenching furnace |
| CN107699256A (en) * | 2017-10-13 | 2018-02-16 | 佛山市高研信息技术有限公司 | A kind of new controllable environmental protection and energy saving coke quenching auxiliary |
| CN107699256B (en) * | 2017-10-13 | 2020-09-18 | 乌海市广纳煤焦化有限公司 | Controllable coke quenching equipment |
| CN110283606A (en) * | 2019-06-04 | 2019-09-27 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of method of fast online replacement dry coke quenching bell |
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| CN101928578B (en) | 2013-05-15 |
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