CN203530220U - External absorption type high-pressure ammonia water coal loading dust collector for coke oven - Google Patents

External absorption type high-pressure ammonia water coal loading dust collector for coke oven Download PDF

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Publication number
CN203530220U
CN203530220U CN201320700801.XU CN201320700801U CN203530220U CN 203530220 U CN203530220 U CN 203530220U CN 201320700801 U CN201320700801 U CN 201320700801U CN 203530220 U CN203530220 U CN 203530220U
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China
Prior art keywords
vehicle
coke oven
high pressure
aqua ammonia
effuser
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Expired - Lifetime
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CN201320700801.XU
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Chinese (zh)
Inventor
李九林
李彩慧
杜军卫
何小刚
孙景玉
上官文涛
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SHANXI CHANGLIN ENVIRONMENTAL MACHINERY CO Ltd
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SHANXI CHANGLIN ENVIRONMENTAL MACHINERY CO Ltd
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Abstract

An external absorption type high-pressure ammonia water coal loading dust collector for a coke oven comprises a movable workbench car frame, wherein a lifting type fume pipe, a car-mounted rising pipe device and a car-mounted gas collection pipe are all mounted on the workbench car frame; the lifting type fume pipe is arranged on the workbench car frame in a penetrating manner; the inlet of the lifting type fume pipe is used for being connected with an oven top gas exhausting hole in the coke oven in a sealing manner; the outlet of the lifting type fume pipe is connected with the inlet of the car-mounted rising pipe device in a sealing manner; the outlet of the car-mounted rising pipe device is connected with the inlet of the car-mounted gas collection pipe; the outlet of the car-mounted gas collection pipe is communicated with a water-sealed tank conveying gas pipe; the outlet of the water-sealed tank conveying gas pipe is connected with the inlet of a blower unit; the outlet of the blower unit is connected with a main coke oven gas collection pipe. The external absorption type high-pressure ammonia water coal loading dust collector for the coke oven adopts a blower with lower power, thereby lowering the running cost and the operation difficulty, and meanwhile has the advantages of good effect on collection, stability in running, less energy consumption, lower manufacturing cost and the like.

Description

The outer suction high pressure aqua ammonia coal charging and dust removing device of coke oven
Technical field
The utility model relates to smoke gas collecting apparatus and the cleaning apparatus of a kind of pit kiln in the process of coalingging, specifically a kind of pit kiln furnace roof movably be take vehicle frame workplatform as carrier, on workplatform, be equiped with high pressure aqua ammonia collection device, lead cigarette, cooling, the functional apparatus of carrying coal gas, pit kiln pollution flue gas of dissipation when coalingging can be sent to the device of purifying and dedusting in coke oven main header.
Background technology
At present, domestic pit kiln, to the pollution smoke gas treatment of coalingging, is mainly to adopt large-scale ground dust removing station to reach purifying and dedusting, qualified discharge.Primary structure is: movably smoke collecting device is all set on furnace roof and coke guide, then by the control of dust main with fixing, is connected, flue dust is fed in to the large-scale dust removal installation arranging on vacant lot, ground.Because the false air coefficient of control of dust main is high, pipeline is longer, so cause the Fan Selection of terrestrial station larger, remaining dust removal installation and various process pipe all determine according to the parameter of blower fan, and this just causes facility investment higher, the shortcomings such as switchboard capacity is large, and running cost is higher.
Another kind of technique is that high pressure aqua ammonia nozzle and threeway ammoniacal liquor switching valve are housed on each coke oven coke oven uprising tube, bridge tube, utilize high pressure aqua ammonia in the high pressure spraying effect of bridge tube, raw gas in the process of coalingging is directly imported in effuser, and this technique easily causes brings coal dust into that phenomenon, the collecting main pressure fluctuation of the obstruction effuser forming in effuser is large, the hyperoxic shortcoming of effuser.This kind of technique belongs to suction method technique in high pressure aqua ammonia, and advantage is to have coal-gas recovering function.
For this reason, be necessary to develop a kind of can gas recovery, play energy-conservation effect, can overcome the disadvantage that gas recovery brings to effuser again.The smoke contamination that reaches coke oven coal-charging is controlled, and reduces the running cost of equipment, realizes energy-saving and cost-reducing object.
Summary of the invention
The purpose of this utility model is to provide the outer suction high pressure aqua ammonia coal charging and dust removing device of a kind of coke oven, make pit kiln in the process of coalingging, utilize a kind of mobile unit of movable type, utilize the collecting action of high pressure aqua ammonia, reach and reclaim and process the cleaning apparatus that pollutes flue gas, to solve, the cost that existing interior suction method high pressure aqua ammonia system causes is too high, the disadvantage of effuser greatly, is easily stopped up in collecting main pressure fluctuation, it is simple to operate, and dust removal installation that can recovery part coal gas, realize energy-saving and cost-reducing object.
For reaching above-mentioned purpose, the utility model provides a kind of coke oven outer suction high pressure aqua ammonia coal charging and dust removing device, wherein, comprise: the worktable vehicle frame that can move, lift is led smoke pipe, vehicle-mounted upcast device and vehicle-mounted effuser and is installed on described worktable vehicle frame, and described lift is led smoke pipe through the setting of described boom truck frame; Described lift is led the entrance of smoke pipe for being tightly connected with the top gas exhaust port of coke oven, described lift is led smoke pipe outlet and is connected with vehicle-mounted upcast device inlet seal, described vehicle-mounted upcast device outlet is connected with vehicle-mounted effuser import, described vehicle-mounted effuser outlet carries airduct to be communicated with water sealed tank, described water sealed tank carries wind tube outlet to be connected with the import of blower fan unit, and described blower fan machine set outlet is for being connected with coke oven gas gathering manifold.
The outer suction high pressure aqua ammonia coal charging and dust removing device of described coke oven, wherein, described lift is led smoke pipe bottom with telescopic sealing cover, and described lift is led smoke pipe and is used Driven by Hydraulic Cylinder, by water-lute, is connected with described vehicle-mounted upcast device.
The outer suction high pressure aqua ammonia coal charging and dust removing device of described coke oven, wherein, water seal explosion trap is equipped with on described vehicle-mounted upcast device top, and described vehicle-mounted upcast device is connected with described vehicle-mounted effuser by bridge tube.
The outer suction high pressure aqua ammonia coal charging and dust removing device of described coke oven, wherein, described vehicle-mounted effuser carries airduct to be connected by U-shaped flue gas delivery line and water sealed tank, in vehicle-mounted effuser bottom, is provided with water-freeing arrangement.
The outer suction high pressure aqua ammonia coal charging and dust removing device of described coke oven, wherein, also comprise high pressure aqua ammonia injection system, the high pressure aqua ammonia nozzle of described high pressure aqua ammonia injection system is arranged in described bridge tube, and the high pressure aqua ammonia water pump of described high pressure aqua ammonia injection system is arranged on described worktable vehicle frame.
The outer suction high pressure aqua ammonia coal charging and dust removing device of described coke oven, wherein, the lower floor of described worktable vehicle frame is equiped with wheel group.
The outer suction high pressure aqua ammonia coal charging and dust removing device of described coke oven, wherein, described blower fan internal circulation system is provided with motor regulated valve.
The outer suction high pressure aqua ammonia coal charging and dust removing device of described coke oven, wherein, is provided with water seal electric-powered air release valve between described blower fan unit and coke oven gas gathering manifold.
The beneficial effects of the utility model are: because this equipment can be directly by effects such as flue gas cool-down, dedustings, transport pipe and terrestrial station have been saved, reduced air leak rate of air curtain and systemic resistance, the power of fan of use is less, thereby has reduced running cost and operation easier.There is the advantages such as collecting effect is good, stable, energy consumption is little, cost is lower simultaneously.
Accompanying drawing explanation
Fig. 1 is side elevation structural representation of the present utility model;
Fig. 2 is plot plan of the present utility model.
Description of reference numerals
1-worktable vehicle frame; 2-lift is led smoke pipe; 3-machinery is carried lid arrangement; The vehicle-mounted upcast device of 4-; 5-bridge tube; 6-high pressure aqua ammonia injection system; 7-water seal flap valve; The vehicle-mounted effuser of 8-; 9-worktable vehicle frame drives wheel; 10-telescopic sealing cover; 11-water sealed tank is carried airduct; 12-blower fan unit; 13-blower fan internal circulation system.
Embodiment
For shape of the present utility model, structure and feature can be understood better, below will enumerate preferred embodiment and be elaborated by reference to the accompanying drawings.
Referring to Fig. 1,2, it is structural representation of the present utility model.The outer suction high pressure aqua ammonia coal charging and dust removing device of a kind of coke oven of the present utility model, mainly comprises: worktable vehicle frame 1, lift are led smoke pipe 2, machinery is carried lid arrangement 3, vehicle-mounted upcast device 4, bridge tube 5, high pressure aqua ammonia injection system 6, water seal flap valve 7, vehicle-mounted effuser 8, worktable vehicle frame driving wheel 9, telescopic sealing cover 10, water sealed tank conveying airduct 11, blower fan unit 12, blower fan internal circulation system 13 and necessary flue gas pipeline, water supply and sewage pipeline.
Wherein, described lift is led smoke pipe 2 and is sealed by water or other sealing material and boiler face, described lift is led smoke pipe 2 outlets and is connected by water-lute with vehicle-mounted upcast device 4 imports, described vehicle-mounted upcast device 4 outlets are connected with vehicle-mounted effuser 8 imports, described vehicle-mounted effuser 8 outlets carry airduct 11 to be communicated with by U-shaped flue gas delivery line and water sealed tank, described water sealed tank carries airduct 11 outlets to be connected with 12 imports of blower fan unit, and described blower fan unit 12 outlets are connected with coke oven gas gathering manifold.
Described lift is led the upper strata that smoke pipe 2, vehicle-mounted upcast device 4, vehicle-mounted effuser 8, explosion trap, high pressure aqua ammonia injection system 6 are installed in the worktable vehicle frame that can move, described lift is led smoke pipe 2 and is arranged through worktable vehicle frame 1, described water drainage-supply system, supply water and adopt coke-oven plantization to produce ammonia vessel ammoniacal liquor, water supply line is connected with water sealed tank pipeline, water sealed tank install pipeline water exhaust system.Drainage to coke-oven plantization is produced separator tank.The lower floor of described work worktable vehicle frame 1 is equiped with wheel group 9(and comprises drive unit, is prior art, not shown).In when application, this wheel group 9 is placed on the track of furnace roof and is connected with an electric control system (prior art), under the effect of drive unit, can vertically move.
Described lift is led smoke pipe 2 and is had columniform housing, in the upper end of housing, establishes round exit, is connected with telescopic sealing cover 10 in the lower end of housing.In housing, be provided with machinery and carry lid arrangement 3, telescopic sealing cover 10 is carried lid arrangement 3 with machinery and is all adopted Driven by Hydraulic Cylinder.Described lift is led the housing outer wall of smoke pipe 2 and is made by steel plate.
Described vehicle-mounted upcast device 4, this device is led smoke pipe 2 by water-lute and lift and is connected, and water seal explosion trap is equipped with in upper end, and described vehicle-mounted upcast device 4 adopts cast iron to make.
Described vehicle-mounted effuser 8 is connected with vehicle-mounted upcast device 4 by bridge tube, and described vehicle-mounted effuser 8 arranges two outlets, and top outlet is for deriving the flue gas after cooling, and the outlet of bottom discharge device is for discharging the high pressure aqua ammonia of separating.Described vehicle-mounted effuser 8 is cylindrical tube, and the high pressure aqua ammonia of separating is directly discharged in water sealed tank.
On the described vehicle frame workplatform 1 with drive unit 9, be provided with vehicle-mounted upcast 4 and vehicle-mounted effuser 8, vehicle-mounted upcast 4 and vehicle-mounted effuser 8 are all designed with the explosion-proof equipment of water seal, in the bridge tube that vehicle-mounted upcast 4 is connected with vehicle-mounted effuser 8, be provided with high pressure aqua ammonia nozzle, produce and penetrate suction when coalingging.The supporting tubing system that has exhaust and sewer of vehicle-mounted effuser 8, is separately positioned on top and the bottom of vehicle-mounted effuser 8, and vehicle-mounted effuser 8 carries being connected of airduct 11 to rely on the synchronization-moving U-shaped flue gas delivery line of smoke guiding bogie with water sealed tank.
Described top water seal tank carries airduct 11 imports to be connected with the vehicle-mounted effuser 8 of smoke guiding bogie, and outlet is connected with blower fan unit 12, and Main Function is the conveying of flue gas, and the raw gas after the cooling that smoke guiding bogie is collected is delivered in the blower fan of platform between stove.
Between described stove, the blower fan unit 12 of platform and supporting install pipeline thereof have motor-driven control valve, for pressure and the air quantity of Controlling System, regulate the oxygen level of coke oven gas gathering manifold.Blower fan internal circulation system 13 for regulation system pressure, avoids occurring vacuumizing situation when system breaks down.
Workflow of the present utility model is described as follows:
Before coke oven coal-charging starts, worktable vehicle frame 1 runs to carbonization chamber position to be coaling, and falls vehicle-mounted lifting formula and leads smoke pipe 2, and machinery is carried lid arrangement 3 and vehicle-mounted lifting formula is led to the bell that smoke pipe 2 aligns automatically mentioned to corresponding position.Coaling after beginning, open the electromagnetic valve of vehicle-mounted upcast device 4 high pressure aqua ammonias, start aqueous ammonia pump of high pressure, give the blower fan wireless signal emission that between stove, platform arranges simultaneously, blower fan starts speed-raising according to system pressure and turns round.The flue gas that now coking chamber produces is under 6 effects of high pressure aqua ammonia injection system, by vehicle-mounted lifting formula, leading smoke pipe 2 imports in vehicular effuser 8, coal gas in vehicular effuser 8 is sent in top water seal tank by the pipeline of coke side one end, and through between stove, the blower fan of platform setting is sent in a certain effuser of coke oven.
Coaling after end, machinery is carried lid arrangement 3 bell is fallen, close the flap valve of vehicle-mounted upcast device 4 simultaneously, then reduce the revolution of aqueous ammonia pump of high pressure, now that lift is led to smoke pipe 2 is isolated with vehicle-mounted effuser 8 sealings for the ammoniacal liquor of high pressure aqua ammonia shower nozzle by low discharge, and between stove, the blower fan of coalingging of platform receives wireless signal, blower fan low-speed running simultaneously, finally mention lift and lead smoke pipe 2, dust collection for charging finishes.
Because this equipment can be directly by effects such as flue gas cool-down, dedustings, transport pipe and terrestrial station have been saved, reduce air leak rate of air curtain and systemic resistance, so the power of fan that this mobile vehicle-mounted cleaning apparatus uses is less, thereby reduced running cost and operation easier.There is the advantages such as collecting effect is good, stable, energy consumption is little, cost is lower simultaneously.
Below technical process of the present utility model is described:
Raw gas is under the effect of high pressure aqua ammonia, by lift, lead smoke pipe 2 and vehicle-mounted upcast device 4 enters into vehicle-mounted effuser 8, after overcooling and dehydration, then enter in the water sealed tank conveying airduct 11 of furnace roof setting, finally by blower fan unit 12, be sent in coke oven gas gathering manifold.
Described lift is led smoke pipe 2 and is carried lid arrangement 3 with machinery and be the integrated design, and all adopts hydro-cylinder as driving, and lift is led smoke pipe 2 bottoms and is provided with telescopic sealing cover 10, adopts high temperature material to carry out encapsulation process.Each lift is led smoke pipe 2 and is connected respectively at a coking chamber venting hole, and the rear Driven by Hydraulic Cylinder machinery of docking is carried lid arrangement 3 and carried out the opening and closing of bell.
On the described worktable vehicle frame 1 with drive unit, be provided with vehicle-mounted upcast device 4 and vehicle-mounted effuser 8, all be designed with the explosion-proof equipment of water seal, in the bridge tube 5 that vehicle-mounted upcast device 4 is connected with vehicle-mounted effuser 8, be provided with high pressure aqua ammonia nozzle, while being used for coalingging, producing and penetrate suction, bridge tube 5 bottoms arrange water seal flap valve 7, for avoiding air to enter gas line.The supporting tubing system that has exhaust and sewer of vehicle-mounted effuser 8, is separately positioned on top and the bottom of vehicle-mounted effuser 8, and vehicle-mounted effuser 8 carries being connected of airduct 11 to rely on the synchronization-moving U-shaped smoke pipe of leading of smoke guiding bogie with water sealed tank.
Described top water seal tank carries airduct 11 imports to be connected with vehicle-mounted effuser 8, and outlet is connected with blower fan unit 12, and Main Function is the conveying of flue gas, and the raw gas after the cooling of collecting is delivered in the blower fan of platform between stove.Between described stove, the blower fan unit 12 of platform and supporting install pipeline thereof have motor-driven control valve, for pressure and the air quantity of Controlling System, regulate the oxygen level of coke oven gas gathering manifold.
The feature of this process system is: utilize the on-board high-voltage ammoniacal liquor collection device of smoke guiding bogie, the raw gas producing when coalingging imports hydrolock gas line, through washing, cooling, purify, buffering sends in coke oven collecting main again.Compare with conventional high-tension ammoniacal liquor dust collecting process, simple to operate, reduced maintenance rate and the total installation of generating capacity of equipment, construction costs is lower, and coal gas oxygen level is easy to control, and dust collection for charging is respond well.
To description of the present utility model, be illustrative above; and it is nonrestrictive; those skilled in the art is understood, and can carry out many modifications, variation or equivalence to it, but they all will fall in protection domain of the present utility model in claim within the spirit limiting and scope.

Claims (7)

1. the outer suction high pressure aqua ammonia coal charging and dust removing device of a coke oven, it is characterized in that, comprise: the worktable vehicle frame that can move, lift is led smoke pipe, vehicle-mounted upcast device and vehicle-mounted effuser and is installed on described worktable vehicle frame, and described lift is led smoke pipe through the setting of described boom truck frame;
Described lift is led the entrance of smoke pipe for being tightly connected with the top gas exhaust port of coke oven, described lift is led smoke pipe outlet and is connected with vehicle-mounted upcast device inlet seal, described vehicle-mounted upcast device outlet is connected with vehicle-mounted effuser import, described vehicle-mounted effuser outlet carries airduct to be communicated with water sealed tank, described water sealed tank carries wind tube outlet to be connected with the import of blower fan unit, and described blower fan machine set outlet is for being connected with coke oven gas gathering manifold.
2. the outer suction high pressure aqua ammonia coal charging and dust removing device of coke oven according to claim 1, it is characterized in that, described lift is led smoke pipe bottom with telescopic sealing cover, and described lift is led smoke pipe and used Driven by Hydraulic Cylinder, by water-lute, is connected with described vehicle-mounted upcast device.
3. the outer suction high pressure aqua ammonia coal charging and dust removing device of coke oven according to claim 1, is characterized in that, water seal explosion trap is equipped with on described vehicle-mounted upcast device top, and described vehicle-mounted upcast device is connected with described vehicle-mounted effuser by bridge tube.
4. the outer suction high pressure aqua ammonia coal charging and dust removing device of coke oven according to claim 1, is characterized in that, described vehicle-mounted effuser carries airduct to be connected by U-shaped flue gas delivery line and water sealed tank, in vehicle-mounted effuser bottom, is provided with water-freeing arrangement.
5. the outer suction high pressure aqua ammonia coal charging and dust removing device of coke oven according to claim 1, it is characterized in that, also comprise high pressure aqua ammonia injection system, the high pressure aqua ammonia nozzle of described high pressure aqua ammonia injection system is arranged in described bridge tube, and the high pressure aqua ammonia water pump of described high pressure aqua ammonia injection system is arranged on described worktable vehicle frame.
6. the outer suction high pressure aqua ammonia coal charging and dust removing device of coke oven according to claim 1, is characterized in that, the lower floor of described worktable vehicle frame is equiped with wheel group.
7. the outer suction high pressure aqua ammonia coal charging and dust removing device of coke oven according to claim 1, is characterized in that, between described blower fan unit and coke oven gas gathering manifold, is provided with water seal electric-powered air release valve.
CN201320700801.XU 2013-11-07 2013-11-07 External absorption type high-pressure ammonia water coal loading dust collector for coke oven Expired - Lifetime CN203530220U (en)

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CN201320700801.XU CN203530220U (en) 2013-11-07 2013-11-07 External absorption type high-pressure ammonia water coal loading dust collector for coke oven

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Application Number Priority Date Filing Date Title
CN201320700801.XU CN203530220U (en) 2013-11-07 2013-11-07 External absorption type high-pressure ammonia water coal loading dust collector for coke oven

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107513390A (en) * 2017-09-30 2017-12-26 牛广田 For coke oven coking, the cleaner to discharge of the coke
CN110093170A (en) * 2019-05-15 2019-08-06 南京科瑞节能环保科技有限公司 A kind of coke oven bridge tube clearing apparatus and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107513390A (en) * 2017-09-30 2017-12-26 牛广田 For coke oven coking, the cleaner to discharge of the coke
CN110093170A (en) * 2019-05-15 2019-08-06 南京科瑞节能环保科技有限公司 A kind of coke oven bridge tube clearing apparatus and method

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