CN1270983A - Coal feeding method and equipment for horizontal coke furnace - Google Patents
Coal feeding method and equipment for horizontal coke furnace Download PDFInfo
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- CN1270983A CN1270983A CN 99121798 CN99121798A CN1270983A CN 1270983 A CN1270983 A CN 1270983A CN 99121798 CN99121798 CN 99121798 CN 99121798 A CN99121798 A CN 99121798A CN 1270983 A CN1270983 A CN 1270983A
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Abstract
A coal burdencing method includes the steps of ramming bulk coal in coal cylinder of coal conveyer, positioning coal conveyer in front of coke oven, cantilevered stretching coal cylinder along with rammed coal into coke oven, pushing coal with a telescopic pushing bar, withdrawing coal cylinder to make coal fall into the oven and repositioning pushing bar. The coal conveyer includes frame, running mechanism and coal feeder which is installed on the frame and comprising box-type coal cylinder, coal cylinder driving mechanism, support wheels, cantilever pressing mechanism, pushing bar mechanism, pushing bar withdrawing mechanism, lock mechanism, etc. The present invention can result in high coke strength and quality, and long coke oven life.
Description
The invention belongs to the method and apparatus that pit kiln is coaling, relate to a kind of in horizontal coke furnace, packing into to make the method and apparatus of coal firm by ramming.
At present, the coking equipment that extensively adopts is the vertical type pit kiln in the world, and its advanced method of coalingging is that a kind of coal pusher is made coal firm by ramming the coking chamber of packing into.Though this vertical pit kiln because coal coking is made in employing firm by ramming, makes the coke strenth height, granularity is big, quality good, because it makes the furnace bottom that weares and teares when coal is gone into stove firm by ramming; The decomposition of failing to be fully burned such as, coal gas coal-tar middle oil at process of coking; It is long-pending little etc. to make coal body firm by ramming, therefore has shortcomings such as investment is big, energy consumption is big, the coke oven life-span is short, coke output is low.Particularly to the pollution problem of environment, fail required standard by clean air.Identical engineering design of the U.S. and (the RaytheonEngineers ﹠amp of construction company; Constructors) adopted " a kind of interconnected, do not have to reclaim pit kiln ", it is the horizontal structure, and number holes coking furnace flue communicates with one another, and makes the decomposition that is fully burned of the tar, the coal gas that produce in the process of coking.This horizontal coke furnace, though overcome some shortcomings of above-mentioned vertical pit kiln, because its flue is in stove bottom, furnace bottom allows bearing capacity very little, when this just requires to coaling in stove, the bottom of not wearing and tearing.In order to satisfy the requirement of the bottom of not wearing and tearing, United States Patent (USP) (US4067462) has adopted spiral way to shed the method for coalingging of diffusing coal in coke oven.This technology since the coal that enters coke oven without making firm by ramming, density is little, therefore the coke strenth of producing is lower, second-rate.
Purpose of the present invention is intended to overcome the deficiency of above-mentioned prior art, a kind of method and apparatus of coalingging in horizontal coke furnace is provided, not only make its less investment, output height, pollution-free, and because the coal in the stove of packing into, therefore has coke strenth height, quality is good, the coke oven life-span is long advantage through making firm by ramming.
Above-mentioned purpose of the present invention is achieved in that a kind of method of coalingging in horizontal coke furnace, the steps include:
1) will loose that make as requested by specification and density for coal;
2) will make coal firm by ramming pushes in the box-shaped coal tube of coal conveyor;
3) start coal conveyor to horizontal coke furnace to be coaling, the location;
4) start coal tube transmission rig, make box-shaped coal tube, stretch in the horizontal coke furnace cantilever together with making coal firm by ramming;
5) push rod withstands and makes coal firm by ramming, and coal tube transmission rig antiport is drawn back box-shaped coal tube in coke oven, make coal firm by ramming and fall into stove by deadweight;
6) start push rod and retract mechanism, regain push rod;
7) start coal conveyor, be back to and make erect-position firm by ramming;
Making firm by ramming of described diffusing coal can be laid one deck bond breaker earlier on the platform of making firm by ramming.Described push rod withstands makes coal firm by ramming, can be at box-shaped coal tube together with when stretching into horizontal coke-oven with making the coal cantilever firm by ramming, drive the elongation of telescoping motion bar by the coal tube, treat that the coal tube all enters coke oven after, the push rod locking is withstood and is made coal firm by ramming.
A kind of equipment of in horizontal coke furnace, coalingging, it is a kind of coal conveyor that can laterally deliver coal, vertically walk, it comprises: vehicle frame, traveling mechanism, feeding system, on guide rail, the wheel of traveling mechanism is driven by the motor, the speed reduction unit that are installed on the vehicle frame vehicle frame by at least 4 wheel supports that are installed in its both sides.Feeding system comprises: place box-shaped coal tube, coal tube transmission rig, coal tube bogie wheel, coal tube cantilever hold-down gear, pin-lift arrangement, push rod on the vehicle frame to retract mechanism, push rod lockout mechanism etc.Box-shaped coal tube is positioned at the middle part of vehicle frame, along the vertical direction setting of guide rail, and by sprocket wheel, link chain mechanism transmission.Coal tube bogie wheel is bearing in the below of box-shaped coal tube.Coal tube cantilever hold-down gear is arranged on the box-shaped coal tube top that certain distance is arranged near coke oven one end distance bogie wheel inboard, by be installed on the vehicle frame compress crossbeam and roller is formed.Pin-lift arrangement comprises: hollow fixed link, telescoping motion bar, push rod head, hollow fixed link is connected with vehicle frame, its endoporus and telescoping motion bar suit, push rod head is connected with the final section motion bar, push rod head contacts with box-shaped coal tube inwall, on box-shaped coal tube inwall, be close to and make the coal end face firm by ramming a back-up ring is set, can drive push rod head and advance with the coal tube.Push rod retracts mechanism and is made up of the wireline and the actuator that are fixed on the push rod head.The push rod lockout mechanism is by the electromagnetic hydraulic pressure cylinder that is contained in telescoping motion bar inner chamber, be made up of the Driven by Hydraulic Cylinder and the locking bearing pin that can be horizontally through motion bar, fixed link.
The transmission rig of box-shaped coal tube is by motor, speed reduction unit, chain wheel drive chain, and two terminations of chain are connected on two chain fixed blocks of box-shaped coal tube.The telescoping motion bar has two joints at least.The both sides of push rod head are equipped with guide deflection sheave, and bogie wheel is equipped with in the below.Push rod retracts the actuator of mechanism and is made up of the reel of lay winding wire ropes, the motor and the speed reduction unit of driving reel.The chain below of coal tube transmission rig is provided with carrying roller.
The present invention compared with the prior art since adopted a kind ofly can laterally deliver coal, the vertical coal conveyor of walking, designed box-shaped coal tube dexterously, stretched into coke oven interior transmission rig and hold-down mechanism cantilever, make it can realize providing coal through making firm by ramming to horizontal coke-oven.Therefore, not only more vertical pit kiln less investment, output height, pollution-free, and have coke strenth height, big, the measured advantage of matter of lumpiness, can satisfy the strict demand of metallurgical coke, particularly foundry coke.Owing to reasonably designed telescopic pin-lift arrangement, when box-shaped coal tube is drawn back, to make coal firm by ramming and fall into stove automatically, this has just guaranteed to make firm by ramming coal in the process of coke oven of packing into, does not contact with body of heater all the time, has improved the work-ing life of coke oven widely.
Fig. 1 is horizontal coke-oven, make the position view of station, coal conveyor firm by ramming;
The step synoptic diagram of Fig. 2 in horizontal coke furnace, packing into and making coal firm by ramming;
Fig. 3 is the front view of coal conveyor;
Fig. 4 is the vertical view of coal conveyor;
Fig. 5 is the front view of the transmission rig of box-shaped coal tube;
Fig. 6 is the vertical view of the transmission rig of box-shaped coal tube;
Fig. 7 is push rod locking structural scheme of mechanism.
Below in conjunction with accompanying drawing, further the present invention is illustrated by embodiment:
As shown in Figure 1, 2, a kind of method of coalingging in horizontal coke furnace the steps include:
1) will loose coal specification, density as requested adopt ordinary method to make firm by ramming making station 1 firm by ramming;
2) coal 6 that will be through making firm by ramming pushes with push rod 5 in the box-shaped coal tube 10 of coal conveyor 2;
3) start coal conveyor 2, be transported to the location, front of horizontal coke furnace to be coaling 3 along track 4;
4) start coal tube transmission rig, make box-shaped coal tube 10, stretch in the horizontal coke furnace 3 cantilever together with making coal 6 firm by ramming;
5) push rod 19,18,16 of pin-lift arrangement withstands and makes coal 6 firm by ramming, and coal tube transmission rig antiport is drawn back box-shaped coal tube 10 in coke oven 3, makes coal 6 firm by ramming and falls into stove by deadweight;
6) start push rod and retract mechanism, regain push rod 16,18;
7) coal conveyor 2 is back to and makes erect-position firm by ramming, begins new work cycle;
Described step 5 push rod 19,18,16 withstands the method for making coal 6 firm by ramming, can be at box-shaped coal tube together with when stretching into horizontal coking furnace with making the coal cantilever firm by ramming, the coal tube drives 18 elongations of telescoping motion bar, treat that the coal tube all enters in the stove after, the push rod locking is withstood and is made coal firm by ramming.
The diffusing coal of described step 1 is made firm by ramming, can make elder generation's laying one deck bond breaker on the platform at station firm by ramming.Described bond breaker can be a kind of plant straw.
So show that as Fig. 3,4 a kind of equipment of coalingging---coal conveyor is made up of vehicle frame, traveling mechanism, feeding system and general operating mechanism in horizontal coke furnace.Vehicle frame 7 is bearing on the guide rail 4 by 4 wheels 9 that are installed in its both sides.The quantity of wheel also can increase according to actual needs in pairs.The wheel 9 of traveling mechanism is driven by the motor 8, the speed reduction unit 11 that are installed on the vehicle frame 7.Feeding system is installed on the vehicle frame 7, and it is retracted mechanism, push rod lockout mechanism and conventional electrical control system and formed by box-shaped coal tube and coal tube transmission rig, coal tube bogie wheel, coal tube cantilever hold-down gear, pin-lift arrangement, push rod.Box-shaped coal tube 10 is positioned at the middle part of vehicle frame 7, along the vertical direction setting of guide rail 4,12 supportings of three groups of bogie wheels is arranged thereunder.The transmission rig of coal tube is referring to Fig. 5,6, and by two groups of motors 23, speed reduction unit 22, sprocket wheel 21 chain drive-belts 25, two terminations of chain 25 are connected on two chain fixed blocks 24 of box-shaped coal tube 10.Thereby can realize seesawing of coal tube.Sagging in order to prevent chain, below chain, be provided with three groups of carrying rollers 26.Coal tube cantilever hold-down gear is arranged on the box-shaped coal tube top that certain distance is arranged near coke oven one end distance bogie wheel 12 inboards, by being installed in compressing crossbeam 13 and being positioned at below the crossbeam and the roller 14 that presses the coal tube is formed on the vehicle frame 7.Pin-lift arrangement is made up of hollow fixed link 19, telescoping motion bar 18, push rod head 16 and supporting member.The hollow fixed link cross section that is square is connected with vehicle frame 7, and its inner hole sleeve connects motion bar, and the cross section of telescoping motion bar 18 also is square, and has three joints, and suit is scalable mutually.The joint number of telescoping motion bar has two joints at least, also can increase according to practical situation.The final section motion bar is connected with push rod head 16, and push rod head contacts with box-shaped coal tube inwall, in order to reduce friction, in the both sides of push rod head guide deflection sheave 17 is installed, and the bottom is equipped with bogie wheel 32, and push rod head is seesawed neatly along coal tube inwall.On coal tube inwall, be close to the end face of making coal firm by ramming and be provided with a back-up ring 20, when the coal tube travelled forward, this back-up ring can promote push rod head and advance with the coal tube, thereby made telescoping motion bar 18 elongation, kept push rod head and made coal firm by ramming and contact.
As shown in Figure 7, the push rod lockout mechanism is formed by the electromagnetic hydraulic pressure cylinder 27 that is installed in telescoping motion bar 18 inner chambers with by the Driven by Hydraulic Cylinder and the locking bearing pin 28 that can be horizontally through motion bar 18, fixed link 19.After the telescoping motion bar is elongated to the coal tube with the coal tube and all enters furnace chamber, start electromagnetic hydraulic pressure cylinder 27, bearing pin 28 is inserted in the connecting hole of motion bars and fixed link, motion bar is locked.Like this, during the reversing motion of coal tube, push rod head 16 is withstood and is made coal 6 firm by ramming, makes it fall into stove.Push rod retracts mechanism and is made up of two wireline 15 and the actuator that are fixed on the push rod head 16.Actuator is made up of the reel 29 of lay winding wire ropes 15, the motor 30 and the speed reduction unit 31 of driving reel.When making firm by ramming after coal falls into coke oven, open locking bearing pin 28, start motor 30, wireline is unrolled, affect push rod head 16 that telescoping motion bar 18 is shunk, until the endoporus that all enters hollow fixed link, reset the end of job of delivering coal.
Claims (9)
1, a kind of method of coalingging in horizontal coke furnace is characterized in that: steps of the method are:
1) will loose that make as requested by specification, density for coal;
2) coal that will be through making firm by ramming pushes in the box-shaped coal tube of coal conveyor;
3) start coal conveyor to horizontal coke furnace to be coaling, the location;
4) start coal tube transmission rig, make box-shaped coal tube, stretch in the horizontal coke furnace cantilever together with making coal firm by ramming;
5) push rod is withstood and make coal firm by ramming, coal tube transmission rig antiport is drawn back box-shaped coal tube in coke oven, make coal firm by ramming and fall into stove by deadweight;
6) start push rod and retract mechanism, regain push rod;
7) start coal conveyor, be back to and make erect-position firm by ramming;
2, according to the described method of in horizontal coke furnace, coalingging of claim 1, it is characterized in that: describedly push rod is withstood make coal firm by ramming, can be when box-shaped coal tube stretches into coke oven, drive the elongation of telescoping motion bar by the coal tube, after treating that the coal tube all enters coke oven, the push rod locking is withstood and is made coal firm by ramming.
3, according to the described method of coalingging in horizontal coke furnace of claim 1, it is characterized in that: described diffusing coal is made firm by ramming, can make elder generation's laying one deck bond breaker on the platform at station firm by ramming.
4, according to the described method of coalingging in horizontal coke furnace of claim 3, it is characterized in that: described bond breaker is the straw of plant.
5, a kind of equipment of in horizontal coke furnace, coalingging, it is characterized in that this equipment comprises: vehicle frame, traveling mechanism, feeding system, vehicle frame (7) is bearing in guide rail (4) on by 4 wheels (9) that are installed in its both sides at least, the wheel of traveling mechanism (9) is by the motor (8) that is installed on the vehicle frame (7), speed reduction unit (11) drives, feeding system is installed on the vehicle frame (7), it comprises: box-shaped coal tube and coal tube transmission rig, coal tube bogie wheel, coal tube cantilever hold-down gear, pin-lift arrangement, push rod retracts mechanism, the push rod lockout mechanism, described box-shaped coal tube (10) is positioned at the middle part of vehicle frame (7), vertical direction setting along guide rail (4), and by sprocket wheel, the link chain mechanism transmission, described coal tube bogie wheel (12) has two groups of belows that are bearing in box-shaped coal tube respectively at least, described coal tube cantilever hold-down gear, be arranged on the box-shaped coal tube top that certain distance is arranged near coke oven one end distance bogie wheel inboard, by be installed on the vehicle frame compress crossbeam (13) and roller (14) is formed, described pin-lift arrangement comprises: hollow fixed link (19), telescoping motion bar (18), push rod head (16), hollow fixed link is connected with vehicle frame (7), its endoporus and the socket of telescoping motion bar, push rod head is connected with the final section motion bar, push rod head contacts with box-shaped coal tube inwall, on box-shaped coal tube inwall, be close to and make the coal end face firm by ramming back-up ring (20) is set, described push rod retracts mechanism to be made up of the wireline (15) and the actuator that are fixed on the push rod head (16), and described push rod lockout mechanism also can be horizontally through motion bar by the electromagnetic hydraulic pressure cylinder (27) that is contained in telescoping motion bar (18) inner chamber with by Driven by Hydraulic Cylinder, the locking bearing pin (28) of fixed link is formed.
6, according to the described equipment of in horizontal coke furnace, coalingging of claim 5, it is characterized in that: the transmission rig of described box-shaped coal tube is by motor (23), speed reduction unit (22), sprocket wheel (21) chain drive-belt (25), and two terminations of chain are connected on two chain fixed blocks (24) of box-shaped coal tube.
7, according to the described equipment of coalingging in horizontal coke furnace of claim 5, it is characterized in that: described telescoping motion bar (18) has two joints at least, and the both sides of described push rod head (16) are equipped with guide deflection sheave (17), and the bottom is equipped with bogie wheel (32).
8, according to the described equipment of coalingging in horizontal coke furnace of claim 5, it is characterized in that: described push rod retracts the actuator of mechanism and is made up of the reel (29) of lay winding wire ropes (15), the motor (30) and the speed reduction unit (31) of driving reel.
9, according to the described equipment of coalingging in horizontal coke furnace of claim 6, it is characterized in that: described chain (25) below is provided with carrying roller (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99121798A CN1104484C (en) | 1999-10-13 | 1999-10-13 | Coal feeding method and equipment for horizontal coke furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99121798A CN1104484C (en) | 1999-10-13 | 1999-10-13 | Coal feeding method and equipment for horizontal coke furnace |
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| CN1270983A true CN1270983A (en) | 2000-10-25 |
| CN1104484C CN1104484C (en) | 2003-04-02 |
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| CN99121798A Expired - Fee Related CN1104484C (en) | 1999-10-13 | 1999-10-13 | Coal feeding method and equipment for horizontal coke furnace |
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