CN101602950B - Smoke-guide dedusting car of U-shaped pipe - Google Patents
Smoke-guide dedusting car of U-shaped pipe Download PDFInfo
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- CN101602950B CN101602950B CN 200910012666 CN200910012666A CN101602950B CN 101602950 B CN101602950 B CN 101602950B CN 200910012666 CN200910012666 CN 200910012666 CN 200910012666 A CN200910012666 A CN 200910012666A CN 101602950 B CN101602950 B CN 101602950B
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Abstract
The invention discloses a smoke-guide dedusting car of a U-shaped pipe, comprising a car frame body, a smoke-guide device of the U-shaped pipe, a sweeping device of an ascending pipe, a hydraulic system and an electric control system. The smoke-guide dedusting car of the U-shaped pipe is characterized in that the smoke-guide device of the U-shaped pipe is provided with a door type rack, the inner side of a door frame of the door type rack is provided with a lifting guide rail, and V-shaped iron is arranged on the guide rail; a lifting rack is arranged below the door type rack and comprises an upper transverse beam, a lower transverse beam, a left support beam and a right support beam, the transverse beams and the support beams are all in a box type structure, the upper transverse beam is connected with the door type rack by a lifting device, and the lower transverse beam is connected with a bolt on the upper end face of the U-shaped smoke-guide pipe; clamping and grabbing devices are arranged in the left bracket and the right bracket, and the outer walls thereof are provided with guide rollers and are freely connected with the V-shaped iron; and under the drive of the lifting device, the lifting rack can move along a track up and down so as to drive the U-shaped smoke-guide pipe to be inserted into and/or pulled out of a water sealed furnace opening of a carbonization chamber of a coke furnace, thus realizing the smoke-guide dedusting of the U-shaped pipe and/or the united smoke-guide dedusting of the U-shaped pipe and a telescopic sleeve.
Description
Technical field
The present invention relates to the coke oven with vertical chamber, relate in particular to the U-shaped pipe that is applied to side-arranged tamping coke oven and lead the fume and dust car, operate on the dedicated track of oven top of coke oven.
Background technology
In the prior art, when the tamping charging car of coke oven machine side carries out briquette shove charge operation, use separately control of dust telescopic smoke guide device, by the furnace roof suction port, the flue gas that the carbonizing chamber of coalingging is produced all imports ground station for dust removal through the control of dust main, carries out qualified discharge after filtration treatment by sack cleaner.Its shortcoming be this device in leading the cigarette process, need to consume than multiple-energy-source, operating cost is high.If can be by adjacent carbonizing chamber coking negative pressure or the ground station for dust removal in latter stage, adopt U-shaped pipe to lead the flue gas that the fume and dust handlebar produces when coalingging and import in adjacent carbonizing chamber through U-shaped pipe, or after the control of dust telescopic imports ground station for dust removal to carry out filtration treatment qualified discharge from when thing half and merit doubly.In addition, U-shaped pipe is led the miscellaneous function of fume and dust car, as machinery cleaning tedge, mechanical closing tedge lid, high-low pressure ammoniacal liquor switch, machinery cleaning furnace roof, track purge, machinery is taken off and closed bell and maintenance tedge cantilever crane etc., will become a kind of novel, efficient, not only energy-saving and environmental protection but also higher mechanization degree arranged lead cigarette, cleaner.
According to tamping coke furnace configuration needs, the design that U-shaped pipe is led the fume and dust car can be divided into left and right type: stand in oven top of coke oven, towards the coal tower, coal tower right side selects right type to lead the fume and dust car, and coal tower left side selects levorotation to lead the fume and dust car.This U-shaped pipe is led the fume and dust car, can use separately the U-shaped smoke pipe device of leading to lead cigarette, can use separately again control of dust telescopic smoke guide device to lead cigarette, and can lead simultaneously cigarette by two kinds of devices, leads cigarette efficient high, flexible operation.
Use separately U-shaped pipe smoke guide device to lead cigarette stove order be n+x, its process is that the n carbonizing chamber that will coaling by U-shaped pipe and the water-stop fire door of n+x carbonizing chamber are communicated with, under the high pressure aqua ammonia effect, by the negative pressure in the n+x carbonizing chamber, the flue gas that produces when the n carbonizing chamber is coaling sucks in the n+x carbonizing chamber, recycles through the coal oven dithio-gas discharge.This device does not additionally consume the energy in leading the cigarette process, operating cost is low, is desirable energy-saving and emission-reduction measure.As above-mentioned two kinds of devices are united use, can obtain better to lead the fume and dust effect, and can suitably reduce earth station's dedusting energy resource consumption, i.e. environmental protection, economical again.
Summary of the invention
Goal of the invention of the present invention is to provide a kind of U-shaped pipe to lead the fume and dust car.Technical solution of the present utility model is achieved in that
A kind of U-shaped pipe is led the fume and dust car, comprise vehicle frame, running gear, take off furnace cover device, U-shaped pipe smoke guide device, dust collect plant, furnace top sweeping device, tedge clearing apparatus, close tedge lid arrangement, ammoniacal liquor switching device shifter, cantilever crane, air purge set, hydraulic system and electric-control system, it is characterized in that: in described U-shaped pipe device, door type frame is arranged, by the door crossbeam, and doorframe form, riser guide is equipped with in the inboard of doorframe, fills v block on riser guide; Formed by entablature, sill, left strutbeam and right strutbeam by the crane crane under door type frame, described crossbeam and strutbeam are box-structure, entablature wherein connects with door type frame by lowering or hoisting gear, and its sill is connected with U-shaped upper surface bolt of leading smoke pipe; The catching device is equipped with in inside at described left and right strutbeam, and its outer wall is equipped with orienting roll and freely is connected with described v block; Under the drive of described lowering or hoisting gear, crane can move up and down along the fluctuating orbit of door type frame, thereby drives the U-shaped water-stop fire door that smoke pipe inserted and/or proposed coke furnace carbonization chamber of leading.
Described catching device comprises F1 type oil cylinder, sleeve, catching, guide pin bushing, catching seat and sliding body, the termination of F1 type oil cylinder wherein has connector to be connected with the catching lifting hydraulic cylinder, and hydraulic cylinder drives the switching campaign that F1 type oil cylinder moved up and down and completed catching.
Described tedge clearing apparatus is seated on the translation dolly, and this translation dolly comprises support, car body, hydraulic cylinder and weight, and weight is connected with reel through pulley by steel cable; Hydraulic cylinder is fixed on car body, and its cylinder bar is fixedly connected with tailstock.
Compared with prior art, advantage of the present invention is apparent, be mainly manifested in: adopt U-shaped pipe lead cigarette and/or united by U-shaped pipe and control of dust telescopic smoke guide device and lead fume and dust, can obtain better to lead the fume and dust effect, and can suitably reduce earth station's dedusting energy resource consumption, both environmental protection, economical again.
Description of drawings
Drawings attached 9 width of the present invention, wherein:
Fig. 1 is front view of the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is that the A of Fig. 1 is to view;
Fig. 4 is U-shaped front view of leading the smoke pipe device of the present invention;
Fig. 5 is the top view of Fig. 4;
Fig. 6 is the B-B cutaway view of Fig. 5;
Fig. 7 is the front view of catching device of the present invention;
Fig. 8 is that the B of Fig. 7 is to view;
Fig. 9 is translation dolly drop hammer type tedge clearing apparatus front view of the present invention.
in the drawings: 1, vehicle frame, 2, running gear, 3, take off furnace cover device, 4, the U-shaped smoke pipe device of leading, 5, dust collect plant, 6, furnace top sweeping device, 7, the tedge clearing apparatus, 8, close the tedge lid arrangement, 9, the ammoniacal liquor switching device shifter, 10, cantilever crane, 11, air purge set, 12, hydraulic system, 13, electric-control system, 14, safety hook device, 15, lowering or hoisting gear, 16, door type frame, 17, orienting roll, 18, crane, 19, the catching device, 20, the bell recognizer, 21, riser guide, 22, lead smoke pipe, 23, the door type frame crossbeam, 24, the crane strutbeam, 25, the crane crossbeam, 26, F1 type oil cylinder, 27, sleeve, 28, catching, 29, guide pin bushing, 30, the catching seat, 31, sliding body, 32, support, 33, the translation dolly, 34, hydraulic cylinder, 35, weight.
The specific embodiment
Lead the fume and dust car as Fig. 1～a kind of U-shaped pipe shown in Figure 9, by vehicle frame, running gear, take off furnace cover device, U-shaped pipe smoke guide device, dust collect plant, furnace top sweeping device, tedge clearing apparatus, close tedge lid arrangement, ammoniacal liquor switching device shifter, cantilever crane, air purge set, hydraulic system and electric-control system etc. and form.Described vehicle frame is by being combined into a type frame structure by coke side end carriage, front beam, central sill, pusher side end carriage, combination beam, back end beam.Each beam is by steel plate and shaped steel assembly welding, and bolted and welded structure is adopted in the connection between each beam, namely adopts the bolt group closing behind the location connected mode of assembly welding again, for convenience detach, transportation and assembling.
Drivers' cab is located at the centre position below the vehicle frame platform, is convenient to traveling bit manipulation is led the smoke pipe lifting to bit manipulation with observation is U-shaped; Be provided with industrial television in drivers' cab, be convenient to monitor the operating process of taking off furnace cover device, dust collect plant, tedge clearing apparatus, closing tedge lid arrangement, ammoniacal liquor switching device shifter; Electric apparatus room and machine chamber are located at above the vehicle frame platform; Drivers' cab, electric apparatus room and machine chamber are provided with heat-insulation layer, in establish industrial air-conditioning, improve operative employee's working environment.Door type platform surrounding is provided with safe protective railing.
Running gear is comprised of active wheels and passive wheels, is arranged on respectively pusher side end carriage and coke side end carriage below, and each wheels are provided with damping spring, slows down when leading fume and dust garage and walking the dynamic load of body of heater is impacted; Each wheel is to adopting rolling bearing, and resistance is little, and the life-span is long, and bearing housing is the right angle mounting structure, and easy access is changed.
The external gear wheel decelerator is adopted in the traveling transmission, and noise is low, and moment of torsion is large, is convenient to safeguard; Running motor is frequency control motor, and speed adjustable range is large, operates steadily, and is convenient to stop accurate contraposition; Hydraulic push-rod brake is adopted in the traveling braking, and braking is steadily reliable; The traveling two ends are provided with audible-visual annunciator, and the prompting staff drives with caution.
Taking off furnace cover device forms by taking off bell mechanism, suspension bracket, crossbeam etc.The electromagnet travelling car is driven by hydraulic lever mechanism, realizes translation and lifting action by horizontal S type guide rail or vertical lift guide rail; The electromagnet travelling car is provided with hydraulic pressure bell rubbing mechanism, grinds away the graphite between bell and stove seat, after making the bell closure, and good seal; The electromagnet top is provided with the bell adhesive and confirms device, is convenient to the driver and controls.Each motion is controlled by approach switch.
U-shaped pipe smoke guide device is comprised of safety hook device, lowering or hoisting gear, door type frame, orienting roll, crane, catching device, bell recognizer, riser guide, the U-shaped smoke pipe etc. of leading.
U-shaped pipe smoke guide device can be led cigarette technique needs according to coke oven, adopts respectively single U-shaped smoke pipe or the double U-shaped flue structure of leading of leading; The cigarette stove order of leading of U-shaped pipe smoke guide device is the n+x carbonizing chamber; The furnace roof smoke guiding hole can adopt manhole cover or non-manhole cover dual mode.
U-shapedly lead the bottom that smoke pipe is fixed on crane, lead smoke pipe closing rear the composition by two L-types, be convenient to making, transportation, maintain and replace.
Riser guide is vertically mounted on the both sides of door type frame, adopts the v block form, and simple in structure, lifting is steady, and the location is reliable.
U-shaped lifting and the clamping employing hydraulic-driven of leading lifting and the catching of smoke pipe, U-shaped top of leading smoke pipe is provided with the bell recognizer, is convenient to the driver and controls.
The U-shaped smoke pipe of leading is when being in off-position, and crane is tight by the hydraulic safe hook lock; Prevent because of elevating mechanism out of controlly suddenly, the U-shaped smoke pipe of leading falls, and causes the furnace roof manhole cover accident of touching of hanging.Each motion of U-shaped pipe smoke guide device is controlled by approach switch.
Dust collect plant by guide sleeve device, lead smoke pipe, gate valve device, hood-opening device, control of dust and move square tube device, fore-stock, after-poppet, blast detector tube device etc. and form.
Guide pin bushing adopts to be split closing structure, leads smoke pipe and is divided into up and down two parts, is convenient to making, transportation, maintain and replace.Guide sleeve device is provided with counterweight, guarantees that guide pin bushing when inoperative, is in all the time during without External Force Acting and mentions state, when preventing the smoke-guiding car traveling, because guide pin bushing falls suddenly, causes the accident of touching of hanging.
Slide valve is positioned at leads the smoke pipe junction up and down, by the rotation of Driven by Hydraulic Cylinder flashboard, regulates the flue gas flow of leading in smoke pipe, obtains the best and leads the cigarette effect; The flue gas pressures of leading in smoke pipe is connected in drivers' cab by the blast detector tube.
Hood-opening device is positioned at the top of dust collect plant, is pushed up by the Driven by Hydraulic Cylinder push rod and presses ground station for dust removal control of dust main flap valve lever, will seal turnover panel and open.
Control of dust moves the square tube device and is positioned at the front portion of leading smoke pipe, and the control of dust square tube is a translation guide pin bushing, is seated on the anterior horizontal guide rail of after-poppet by four wheels; After the sealing turnover panel is opened, moved forward by Driven by Hydraulic Cylinder control of dust square tube, dock with ground station for dust removal control of dust main horizontal connection tube, the bottom of control of dust square tube is provided with smoke barrier, the upper lower flue of control of dust main horizontal connection tube can be communicated with, in the time of coalingging, the flue gas that overflows above slave side coal mouth imports ground station for dust removal through the control of dust square tube; For reducing the impulsive force to the control of dust main, the movable guide bush of control of dust square tube front end is provided with the buffer spring device.Each motion of dust collect plant is controlled by approach switch.
Furnace top sweeping device is comprised of dust suction dolly, link chain mechanism, sack cleaner, dump valve, centrifugal fan, muffler etc.
Be provided with initiatively wheels and passive wheels above the vehicle frame of dust suction dolly, hang on vehicle frame front beam H shaped steel guide rail; Initiatively wheels adopt the chain transmission, are driven by electronic cycloid speed reducer, move along furnace roof track vertical direction.The dust suction dolly is provided with two groups of suction nozzles, by the Driven by Hydraulic Cylinder lifting; Suction nozzle is provided with counterweight, guarantees that suction nozzle when inoperative, is in all the time during without External Force Acting and mentions state, when preventing the smoke-guiding car traveling, because suction nozzle falls suddenly, causes the accident of touching of hanging.
Link chain mechanism is equipped with hose, hydraulic hose and cable, is used for various pipelines and sack cleaner, hydraulic piping, the electric appliance wiring of dust suction dolly are coupled together.
Form vacuum dedusting system on car by sack cleaner, dump valve, centrifugal fan, muffler etc.; Sack cleaner is provided with vibration motor, and the driver is according to operating position, and the starting shock motor, shake the dust that is gathered on cloth bag fall at any time, makes sack cleaner be in all the time good working state; Dump valve is fixed on the below of sack cleaner, and by Driven by Hydraulic Cylinder turnover panel rotation, the dust emissions of regularly sack cleaner bottom hopper being deposited is to the furnace roof assigned address.Each motion of furnace top sweeping device is controlled by approach switch.
The tedge clearing apparatus is comprised of sprocket wheel, chain flashboard, drum apparatus, weight-driven, running gear, underframe, worm speed reducer etc.
By the translation dolly that running gear and underframe form, be placed in the fixed mount upper level guide rail that closes the tedge lid arrangement, by the Driven by Hydraulic Cylinder translation.
All the other parts of tedge clearing apparatus all are arranged on the translation dolly, for preventing translation dolly unbalance loading, at the antimere of motor and worm speed reducer, counterweight are set.
Drum apparatus adopts the cone friction clutch structure, and when the cleaning tedge, friction clutch is opened, reel idle running, and weight becomes the freely falling body fast-descending, removes the graphite of assembling in tedge; After the friction clutch closure, weight is mentioned in the rotation of motor-driven reel.
After weight is mentioned, by the latch locking of chain flashboard, when preventing the smoke-guiding car traveling, because weight falls suddenly, cause the accident of touching of hanging.
Closing the tedge lid arrangement is comprised of fixed mount, push rod, hydraulic cylinder etc.Hydraulic cylinder drives the push rod reach, and the tedge lid that pushing tow is opened is closed it, and push rod is return original position automatically.Horizontal guide rail is established on fixed mount top, lays the tedge clearing apparatus.
The ammoniacal liquor switching device shifter is comprised of bearing, expansion link, hydraulic cylinder etc.Hydraulic cylinder divides the up and down horizontally disposed.Upper hydraulic cylinder is carried out low pressure and is switched, and lower cylinder is carried out the high pressure switching.
Hydraulic cylinder drives the expansion link reach, and pushing tow ammoniacal liquor valve switches lever, and after completing handover operation, expansion link is return original position automatically.For reducing switching the impulsive force of lever, be provided with buffer spring in expansion link.The advance and retreat operation of each hydraulic cylinder is controlled by approach switch.
Air purge set is comprised of two screw air compressing unit, air accumulator, magnetic valve, filter and oil sprayer, pipeline fittings and purge nozzle etc.
The screw air compressor compact conformation, efficient is high, and noise is low, long service life, two unit the using and the reserved.
The walking rails both sides are provided with purge nozzle, and nozzle becomes miter angle with ground; When leading fume and dust garage and walking, purge nozzle makes it be in the dust suction scope of furnace top sweeping device suction nozzle near the track that blows off of the dust track.
Lead fume and dust car platform and be provided with maintenance tedge cantilever crane.
Hydraulic system is installed in machine chamber, is divided into pumping plant and valve station two parts.
Pumping plant adopts the double pump structure, a cover job, and a cover is standby; And set up hand oil pump or accumulator, when in leading the use procedure of fume and dust car, unexpected power outage occuring: complete by hand oil pump or accumulator ongoing hydraulic operation programs such as taking off furnace cover device, U-shaped pipe smoke guide device, dust collect plant, tedge clearing apparatus, ammoniacal liquor switching device shifter, and it is kept in the center, prevent that above-mentioned each device is bad by baked wheaten cake, protect positive coking technique and normally move.
The valve station is comprised of valve group, Pressure gauge, nameplate, base, pipeline fittings, appliance wiring case etc.The valve group adopts manifold type, and the oil-in of each valve group is equipped with stop valve, is convenient to the monomer maintenance.
Electric-control system is by power supply wiping device, electrical control cubicles, operating desk, cable trough, junction box.
The composition such as electronic monitor, illuminating lamp.
Power supply: 3Ph, 380V, 50Hz.
Power supply mode; Trolley imports.
Running motor and furnace roof dedusting fan adopt frequency control, and other each operations are adopted manually and PLC unit automatic program control.
Adopt the U-shaped pipe smoke guide device of electro-photographic head monitoring, dust collect plant, tedge clearing apparatus, close tedge lid arrangement, ammoniacal liquor switching device shifter.
Claims (3)
1. a U-shaped pipe is led the fume and dust car, comprise vehicle frame (1), running gear (2), take off furnace cover device (3), U-shaped pipe smoke guide device (4), dust collect plant (5), furnace top sweeping device (6), tedge clearing apparatus (7), close tedge lid arrangement (8), ammoniacal liquor switching device shifter (9), cantilever crane (10), air purge set (11), hydraulic system (12) and electric-control system (13), it is characterized in that: in described U-shaped pipe device, door type frame (16) is arranged, by door crossbeam (23), and doorframe forms, riser guide (21) is equipped with in the inboard of doorframe, fill v block on riser guide, crane (18) is arranged under door type frame (16), crane (18) is comprised of entablature, sill, left strutbeam and right strutbeam, described crossbeam and strutbeam are box-structure, entablature wherein connects with door type frame (16) by lowering or hoisting gear (15), and its sill is connected with U-shaped upper surface bolt of leading smoke pipe, in the inside of described left and right strutbeam (24), catching device (19) is housed, its outer wall is equipped with orienting roll (17) and freely is connected with described v block, under the drive of described lowering or hoisting gear (15), crane (18) can move up and down along the fluctuating orbit (21) of door type frame (16), thereby drives the U-shaped water-stop fire door that smoke pipe inserted and/or proposed coke furnace carbonization chamber of leading.
2. U-shaped pipe according to claim 1 is led the fume and dust car, it is characterized in that described catching device (19) comprises F1 type oil cylinder (26), sleeve (27), catching (28), guide pin bushing (29), catching seat (30) and sliding body (31), the termination of F1 type oil cylinder wherein has connector to be connected with the catching lifting hydraulic cylinder, and hydraulic cylinder drives the switching campaign that F1 type oil cylinder moved up and down and completed catching.
3. U-shaped pipe according to claim 1 is led the fume and dust car, it is characterized in that described tedge clearing apparatus (7) is seated on the translation dolly, this translation dolly comprises support (32), car body (33), hydraulic cylinder (34) and weight (35), and weight is connected with reel through pulley by steel cable; Hydraulic cylinder (34) is fixed on car body (33), and its cylinder bar is fixedly connected with tailstock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 200910012666 CN101602950B (en) | 2009-07-21 | 2009-07-21 | Smoke-guide dedusting car of U-shaped pipe |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200910012666 CN101602950B (en) | 2009-07-21 | 2009-07-21 | Smoke-guide dedusting car of U-shaped pipe |
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| CN101602950A CN101602950A (en) | 2009-12-16 |
| CN101602950B true CN101602950B (en) | 2013-05-08 |
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| CN 200910012666 Active CN101602950B (en) | 2009-07-21 | 2009-07-21 | Smoke-guide dedusting car of U-shaped pipe |
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| CN102199432B (en) * | 2010-11-30 | 2013-08-14 | 大连华锐重工集团股份有限公司 | U-shaped pipe smoke guiding vehicle-based cover uncovering device |
| CN102275164A (en) * | 2011-07-14 | 2011-12-14 | 张家港长力机械有限公司 | Cover-capturing manipulator on a fume guiding car |
| CN102352261B (en) * | 2011-09-19 | 2013-09-11 | 济钢集团重工机械有限公司 | Smoke-guiding and dust-removing device for top-loading coke furnace coal-charging vehicle |
| CN102391883A (en) * | 2011-09-21 | 2012-03-28 | 大连华锐股份有限公司 | Tamping coal charging dust removal system and working method thereof |
| CN102641632B (en) * | 2012-04-12 | 2013-05-01 | 江苏精亚环境科技有限公司 | Three-dimensional suction arm movement mechanism of cellular dust collector |
| CN102660303A (en) * | 2012-05-08 | 2012-09-12 | 山东兖煤凯达环保机械有限公司 | Device for recovering gas without smoke dust discharge during coal charging and coke discharge of coke oven |
| CN104312596B (en) * | 2014-11-14 | 2017-07-25 | 大连华锐重工焦炉车辆设备有限公司 | One kind leads the moveable tamping coke furnace U-tube smoke-guiding car of smoke pipe and its application method |
| CN104673335B (en) * | 2015-02-16 | 2017-03-22 | 大连重矿设备制造有限公司 | Stepped heat storage co-firing chamber smoke suppressing energy saving vehicle |
| CN105219405B (en) * | 2015-11-04 | 2017-08-22 | 上海梅山工业民用工程设计研究院有限公司 | A kind of cover-taking off device cleaned for coke oven coal filling car bell |
| CN107231516A (en) * | 2017-07-27 | 2017-10-03 | 重庆万建电子工程有限责任公司重庆第分公司 | Band scrapes the dome-type camera of grey structure |
| CN109666487B (en) * | 2018-12-12 | 2020-10-09 | 北京中冶设备研究设计总院有限公司 | Coke oven sealing and ventilating dust removal device and method |
| CN111151089B (en) * | 2019-12-25 | 2022-03-29 | 太原重工股份有限公司 | Coke oven dust pelletizing system |
| CN112724988A (en) * | 2020-12-29 | 2021-04-30 | 黑龙江建龙化工有限公司 | New method for replacing riser bridge pipe |
| CN114214078B (en) * | 2022-01-12 | 2024-02-02 | 大连华锐重工焦炉车辆设备有限公司 | Dust-removing smoke-guiding vehicle with airborne dust-removing device |
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| CN101602950A (en) | 2009-12-16 |
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Denomination of invention: U-shaped pipe smoke guide and dust removal vehicle Effective date of registration: 20220329 Granted publication date: 20130508 Pledgee: Industrial and Commercial Bank of China Limited Dalian high tech Park sub branch Pledgor: DALIAN ZHONGKUANG EQUIPMENT MANUFACTURING Co.,Ltd. Registration number: Y2022980003459 |
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Date of cancellation: 20230314 Granted publication date: 20130508 Pledgee: Industrial and Commercial Bank of China Limited Dalian high tech Park sub branch Pledgor: DALIAN ZHONGKUANG EQUIPMENT MANUFACTURING Co.,Ltd. Registration number: Y2022980003459 |