CN101294711A - Hydraulic transmission slag tapping method and slag tapping machine - Google Patents
Hydraulic transmission slag tapping method and slag tapping machine Download PDFInfo
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- CN101294711A CN101294711A CNA200810097750XA CN200810097750A CN101294711A CN 101294711 A CN101294711 A CN 101294711A CN A200810097750X A CNA200810097750X A CN A200810097750XA CN 200810097750 A CN200810097750 A CN 200810097750A CN 101294711 A CN101294711 A CN 101294711A
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Abstract
A hydraulic drive mucking method includes a slag falling step and a water cooling step, and further includes a step of controlling the reciprocating motion of scrapers by hydraulic pressure to move the slag falling to the bottom of a tank out of the tank body. The reciprocating motion of the scrapers is the synchronous reciprocating motion or the ordinal step motion. The invention further discloses a hydraulic drive mucking machine which includes an electromotor, the tank body, a plurality of translational scrapers arranged on the bottom surface of the tank body and a translational hydraulic drive device. The hydraulic drive is of synchronous type or step type. The method uses the hydraulic drive instead of the conventional chain drive; the parts which are easy to consume in the scraper-type slag dragging machine are eliminated; the mucking system is delicate; the whole machine weight is greatly reduced; the equipment cost is greatly reduced; the service life of the mucking system is greatly prolonged; the power waste is greatly reduced; and the operation and maintenance are convenient.
Description
Technical field
The present invention relates to a kind of boiler with the mechanical slag tapping method and the equipment of slagging tap, particularly relate to a kind of heat power plant boiler with the hydraulic machinery slag tapping method and the equipment of slagging tap.
Background technology
At present, the conventional coal-fired unit boiler in the general thermal power plant main three kinds of methods that adopt that strength is slagged tap, waterpower is slagged tap, machinery is slagged tap of slagging tap.Strength is slagged tap and is polluted for a short time, but cost is than higher, and cooling medium enters that the back influence stove effect in the stove.The waterpower equipment of slagging tap is simple, but lime-ash is not easy the secondary utilization, and water consumption is serious.
The prior mechanical slag tapping method generally comprises slag, water-cooled, drags for steps such as slag.It drags for and adopts chain drive as the slag step 1, and scraper plate drags for slag.Because chain drive is difficult to realize to move back and forth, can only cycle rotation, thus must make chain form circulation, thereby essentially using very long driving chain, a lot of scraper plates makes chain must make clumsyly again, to improve its intensity conversely.Equally, its supporting mechanism and driving mechanism also all must be made clumsyly.These make idle power consumption increase greatly again.
What the mechanical type slag-tapping system was at present general is chain drive scraper-type dragveyer.Dragveyer is the capital equipment in the boiler mechanical type slag-tapping system, and equipment such as it and slag well, boiler slag removal door, slag crusher, the movable slag bucket of self-propelled are formed the complete boiler slag-tapping system of a cover.
Existing chain drive scraper-type dragveyer structure as shown in Figure 1.This machine is a scraper plate annulus chain type dragveyer of removing boiler ash continuously.This dragveyer is installed in boiler slag removal door 108 belows.This dragveyer comprises upper groove body 101, lower groove 102, scraper plate 103, motor (not shown), drive sprocket 104, driven sprocket 105, contact roller 106, chain 107 etc.Drive sprocket 104, driven sprocket 105, contact roller 106, chain 107 etc. are formed the transmission device of this dragveyer.Contain cooling water 109 in the upper groove body 101, water temperature t≤60 ℃.Anhydrous in the lower groove 102, when making the return trip empty, passes through thus by scraper plate 103.All be covered with the glass cermaic plate (not shown) in the section of slagging tap of upper groove body 101 and the lower groove 102, to prevent wearing and tearing.The slag that boiler is discharged is in boiler slag removal door 108 falls into the upper groove body 101 of dragveyer; after shrend quenching granulation, fall bottom land; in company with scraper plate 103 and chain 107 along the bottom land level be inclined upwardly mobile; after effectively dewatering; be discharged to the slag crusher (not shown) by mucking machine slag notch (not shown), carry out waterpower conveying or directly entrucking outward transport after the fragmentation again.
Chain drive submerged slag conveyor major defect is: the chain transmission type dragveyer drives scraper plate with traditional round-link chain and moves by the sprocket rotation mode, the chain length overall is 4-5 times of (chain stretching device height+effective travel+lift stroke) * 2 (chain backhaul) of slag storehouse effective length, complete machine structure is huge, heavy, service life is short, idle power consumption is very big, and equipment cost and production consume all very high.Chain transmission dragveyer with 300,000 kilowatts of units is an example: more than 100 meter of chain length overall, scraper plate quantity 100 polyliths, only chain and scraper plate weight just reach tens tons, and ceaselessly friction operation on cast stone base plate and backhaul supporting plate, in order to reach certain service life, have no alternative but and must do parts clumsy, so gross weight of equipment amount tons up to a hundred.Even its chain, sprocket wheel generally also have only 1 year service life like this, and idle power consumption is also very big, equipment cost and production consume all very high.
Summary of the invention
An object of the present invention is to provide a kind of hydraulic transmission slag tapping method,, reduce equipment cost and idle power consumption greatly so that slag-tapping system is relatively greatly light and handy.
Another object of the present invention provides that a kind of weight is little, low in energy consumption, stability height, long service life, program control hydraulic driven mucking machine easy to maintenance.
In order to address the above problem, the invention provides a kind of hydraulic transmission slag tapping method, comprise slag is fallen into the slag step that falls in the cell body from the boiler slag removal door, slag is fallen the water-cooled step of bottom land through the cooling water in the cell body, drag for the slag step with what the slag of falling bottom land was taken cell body out of, the wherein said slag step of dragging for is to drive scraper plate by hydraulic transmission to move back and forth, and takes the slag of falling bottom land out of cell body.
As preferably, the described slag step of dragging for comprises two stages: the phase I moves back and forth along bottom land for driving the translation scraper plate by the translation hydraulic transmission, the slag of falling bottom land is moved to the slag translation stage of bottom land end; Second stage is reciprocal lifting and drop movements by the lifting scraper plate, and the slag that will be positioned at the bottom land end is promoted to outer the dragging for the slag stage of cell body.
As further preferred, the reciprocating motion of described slag translation stage translation scraper plate is to move back and forth synchronously.
As further preferred, the reciprocating motion of described slag translation stage translation scraper plate is stepping reciprocating motion successively.
As further preferred, the described lifting scraper plate of slag in the stage that drag for back and forth promotes and drop movements by promoting the hydraulic transmission driving.
In order to address the above problem, the present invention also provides a kind of hydraulic transmission slag tapping machine, comprise cell body, be arranged on a plurality of translation scraper plates on the cell body bottom surface, it is characterized in that also comprising the translation hydraulic transmission, described translation hydraulic transmission and cell body bottom surface, driving lower edge at the translation hydraulic transmission a plurality of translation scraper plates that move back and forth that pass through are connected.
As preferably, described translation hydraulic transmission comprises a pair of translation track beam, a pair of synchronous translation blade holder, many to translation scraper plate support bar, a pair of synchronous scraper plate connecting rod, a pair of scraper plate translation hydraulic cylinder, a pair of translation scraper plate angle modulation hydraulic cylinder, hydraulic pump, hydraulic control valve and presetting apparatus, wherein
The two ends of a translation scraper plate are separately fixed at the end of corresponding a pair of translation scraper plate support bar near the cell body bottom surface, this other end to translation scraper plate support bar is rotatably connected on respectively on the corresponding position of a pair of synchronous translation blade holder, and a so corresponding translation scraper plate and a pair of translation scraper plate support bar that connects formed one group of translation scraper component;
Each translation scraper plate support bar of organizing translation scraper component respective side becomes one by being rotationally connected at the identical position and the corresponding position of scraper plate connecting rod synchronously;
One group of translation scraper plate support bar in the translation scraper component is rotationally connected with an end of corresponding translation scraper plate angle modulation hydraulic cylinder respectively, and the other end of translation scraper plate angle modulation hydraulic cylinder is rotatably connected on respectively on the corresponding position of a pair of synchronous translation blade holder;
An end of translation blade holder and corresponding scraper plate translation hydraulic cylinder is hinged synchronously, and the other end of scraper plate translation hydraulic cylinder is hinged on the cell body;
Translation blade holder and corresponding translation track beam are slidingly connected synchronously;
The translation track beam is fixedlyed connected with cell body;
Scraper plate translation hydraulic cylinder, translation scraper plate angle modulation hydraulic cylinder are controlled by hydraulic pump, hydraulic control valve and the presetting apparatus of correspondence respectively;
Scraper plate translation hydraulic cylinder piston rod moves back and forth under the effect of presetting apparatus, hydraulic pump and hydraulic control valve synchronously;
Translation scraper plate angle modulation hydraulic cylinder piston rod moves back and forth under the effect of presetting apparatus, hydraulic pump and hydraulic control valve synchronously.
As preferably, described translation hydraulic transmission comprises a pair of translation track beam, is connected the many covers hydraulic transmission assembly on the translation track beam, and hydraulic pump, hydraulic control valve and presetting apparatus, wherein
Every cover hydraulic transmission assembly comprises a pair of stepping translation blade holder, a pair of translation scraper plate support bar, a pair of scraper plate translation hydraulic cylinder and a pair of translation scraper plate angle modulation hydraulic cylinder, wherein
The two ends of a translation scraper plate are separately fixed at the end of corresponding a pair of translation scraper plate support bar near the cell body bottom surface, this other end to translation scraper plate support bar is rotatably connected on respectively on the corresponding position of a pair of stepping translation blade holder, and a so corresponding translation scraper plate and a pair of translation scraper plate support bar that connects formed one group of translation scraper component;
Translation scraper plate support bar in the translation scraper component is rotationally connected with an end of corresponding translation scraper plate angle modulation hydraulic cylinder respectively, and the other end of translation scraper plate angle modulation hydraulic cylinder is rotatably connected on respectively on the corresponding position of a pair of stepping translation blade holder;
One end of stepping translation blade holder and corresponding scraper plate translation hydraulic cylinder is hinged, and the other end of scraper plate translation hydraulic cylinder is hinged on the cell body;
Stepping translation blade holder and corresponding translation track beam are slidingly connected;
The translation track beam is fixedlyed connected with cell body;
Scraper plate translation hydraulic cylinder, translation scraper plate angle modulation hydraulic cylinder are controlled by hydraulic pump, hydraulic control valve and the presetting apparatus of correspondence respectively;
Scraper plate translation hydraulic cylinder piston rod moves back and forth under the effect of presetting apparatus, hydraulic pump and hydraulic control valve synchronously;
Translation scraper plate angle modulation hydraulic cylinder piston rod moves back and forth under the effect of presetting apparatus, hydraulic pump and hydraulic control valve synchronously;
Each overlaps hydraulic transmission assembly stepping reciprocating motion successively under the effect of presetting apparatus, hydraulic pump and hydraulic control valve.
As further preferred, described every cover hydraulic transmission assembly comprises at least two group translation scraper components and a pair of stepping scraper plate connecting rod, and the translation scraper plate support bar of wherein respectively organizing translation scraper component respective side becomes one by being rotationally connected at identical position and corresponding stepping scraper plate connecting rod.
As further preferred, leave the gap between the base of described translation scraper plate translation scraper plate during and the cell body bottom surface perpendicular to the cell body bottom surface.
As further preferred, described hydraulic transmission slag tapping machine also comprises the cell body inclined-plane that is arranged on cell body one end, is arranged on the lifting scraper plate on the cell body inclined-plane and promotes hydraulic transmission, and described lifting hydraulic transmission is connected with the lifting scraper plate that moves back and forth to the top from the bottom on cell body inclined-plane under the driving of lifting hydraulic transmission.
As further preferred, described lifting hydraulic transmission comprises that a pair of lifting track girder, lifting blade holder, a pair of lifting scraper plate support bar, a draw bar, a scraper plate promote hydraulic cylinder, lifting scraper plate angle modulation hydraulic cylinder, hydraulic pump, hydraulic control valve and a presetting apparatus, wherein
The two ends that promote scraper plate are separately fixed at this to promoting the end of scraper plate support bar near the cell body inclined-plane, this is rotatably connected on the corresponding position that promotes the blade holder two ends respectively to the other end that promotes the scraper plate support bar, two middle parts that promote the scraper plate support bar connect by draw bar, and a so corresponding lifting scraper plate, a draw bar and a pair of lifting scraper plate support bar that connects formed one group and promoted scraper component;
The draw bar middle part that promotes in the scraper component is rotationally connected with an end that promotes scraper plate angle modulation hydraulic cylinder, and the other end that promotes scraper plate angle modulation hydraulic cylinder is rotatably connected on and promotes the blade holder middle part;
An end that promotes blade holder and scraper plate lifting hydraulic cylinder is hinged, and the other end that scraper plate promotes hydraulic cylinder is hinged on the cell body;
Promoting blade holder is slidingly connected with the lifting track girder;
Promoting track girder fixedlys connected with cell body;
Scraper plate promotes hydraulic cylinder, lifting scraper plate angle modulation hydraulic cylinder is controlled by hydraulic pump, hydraulic control valve and the presetting apparatus of correspondence respectively;
Scraper plate promotes hydraulic cylinder piston rod and moves back and forth under the effect of presetting apparatus, hydraulic pump and hydraulic control valve;
Promoting scraper plate angle modulation hydraulic cylinder piston rod moves back and forth under the effect of presetting apparatus, hydraulic pump and hydraulic control valve.
As further preferred, be connected by a recess transition between described cell body inclined-plane and the cell body bottom surface, described lifting hydraulic transmission connects with the bottom that reciprocally turns to the cell body inclined-plane under the driving that promotes hydraulic transmission along the cell body recess, the lifting scraper plate that moves to the top on cell body inclined-plane again along the cell body inclined-plane.
As further preferred, described lifting scraper plate promotes during perpendicular to the cell body inclined-plane between the base of scraper plate and the cell body inclined-plane and leaves the gap.
The present invention is by improving the kind of drive in the prior mechanical slag tapping method and the equipment of slagging tap, replace traditional chain drive with hydraulic drive, make scraper plate realize reciprocating motion at an easy rate, significantly reduced the easy consumption consumable accessory of dragveyer, make slag-tapping system greatly light and handy, complete machine weight declines to a great extent, and greatly reduces equipment cost.And hydraulic system have low in energy consumption, stability is high, the life-span long and the characteristic being convenient to control, makes the life-span of slag-tapping system prolong greatly, power consumption reduces greatly, operation and maintenance is very convenient.
Description of drawings
Fig. 1 is existing chain drive scraper-type dragveyer structural representation;
Fig. 2 is programme-control synchronous mode hydraulic transmission slag tapping machine translation scraper plate according to an embodiment of the invention and the instantaneous state schematic diagram when promoting scraper plate and all being positioned at original position;
Fig. 3 is the instantaneous state schematic diagram of programme-control synchronous mode hydraulic transmission slag tapping machine translation scraper plate according to an embodiment of the invention when being positioned at the translation extreme position;
Fig. 4 is that programme-control synchronous mode hydraulic transmission slag tapping machine translation scraper plate according to an embodiment of the invention is positioned at the instantaneous state schematic diagram when lifting extreme position;
Fig. 5 is along the cutaway view of A-A line among Fig. 2;
Fig. 6 is that B among Fig. 3 is to view;
Fig. 7 is the scraper plate base movement locus schematic diagram of programme-control synchronous mode hydraulic transmission slag tapping machine according to an embodiment of the invention;
Fig. 8 is the structural representation that programme-control two is according to another embodiment of the invention made up under the initial confined state of step type hydraulic transmission mucking machines;
Fig. 9 to Figure 12 is the instantaneous state schematic diagram of a working cycles process middle scraper of programme-control two combination step type hydraulic transmission mucking machines conveying slags according to another embodiment of the invention;
Figure 13 is along the cutaway view of A-A line among Fig. 8;
Figure 14 is the scraper plate base movement locus schematic diagram of programme-control two combination step type hydraulic transmission mucking machines according to another embodiment of the invention;
Figure 15 is the structural representation of programme-control four combination step type hydraulic transmission mucking machines according to another embodiment of the invention;
Figure 16 is the structural representation of programme-control one combination step type hydraulic transmission mucking machine according to another embodiment of the invention.
Description of reference numerals
101-upper groove body 102-lower groove 103-scraper plate 104-drive sprocket
105-driven sprocket 106-contact roller 107-chain 108-boiler slag removal door
The 109-upper groove body water surface
201-cell body bottom surface 202-translation scraper plate 203-promotes scraper plate
204-translation scraper plate angle modulation hydraulic cylinder 205-scraper plate translation hydraulic cylinder
The 206-scraper plate promotes hydraulic cylinder 207-and promotes scraper plate angle modulation hydraulic cylinder
208-draw bar 209-dirt-excluding groove 210-recess
The synchronous translation blade holder of 211-translation track beam 212-
The synchronous scraper plate connecting rod of 213-translation scraper plate support bar 214-
215-promotes track girder 216-and promotes blade holder 217-roller
218-promotes the scraper plate support bar 219-boiler slag removal door 220-cooling water surface
221-stepping translation blade holder 222-stepping scraper plate connecting rod
223-cell body 224-cell body inclined-plane 225-slag
The 226-first cover hydraulic transmission assembly 227-second cover hydraulic transmission assembly
228-the 3rd cover hydraulic transmission assembly 229-quadruplet hydraulic transmission assembly
The specific embodiment
Pass through case description preferred implementation of the present invention below with reference to accompanying drawing.
Preferred embodiment one
Fig. 2 to Fig. 6 shows the preferred embodiments of the present invention one: programme-control synchronous mode hydraulic transmission slag tapping machine.
As Fig. 2 to shown in Figure 6, the preferred embodiment of the present invention one---programme-control synchronous mode hydraulic transmission slag tapping machine (hereinafter to be referred as the synchronous mode mucking machine) comprise cell body 223, eight translation scraper plates 202, one promote scraper plate 203, translation hydraulic transmission and promote hydraulic transmission.
Described translation hydraulic transmission comprises a pair of translation track beam 211, a pair of synchronous translation blade holder 212, eight pairs of translation scraper plate support bars 213, a pair of synchronous scraper plate connecting rod 214, a pair of scraper plate translation hydraulic cylinder 205, a pair of translation scraper plate angle modulation hydraulic cylinder 204, hydraulic pump, hydraulic control valve and presetting apparatus (not shown in three term diagrams of back).
The two ends of translation scraper plate 202 are separately fixed at the end of corresponding a pair of translation scraper plate support bar 213 near cell body bottom surface 201, and this other end to translation scraper plate support bar 213 is rotatably connected on respectively on the corresponding site of a pair of synchronous translation blade holder 212.A translation scraper plate 202 and a pair of translation scraper plate support bar 213 are formed one group of translation scraper component.
Each translation scraper plate support bar 213 of organizing translation scraper component respective side becomes one by being rotationally connected at the identical position and the corresponding position of scraper plate connecting rod 214 synchronously; Be rotationally connected with an end of corresponding translation scraper plate angle modulation hydraulic cylinder 204 respectively apart from the translation scraper plate support bar 213 in the cell body inclined-plane 224 translation scraper component farthest, the other end of translation scraper plate angle modulation hydraulic cylinder 204 is rotatably connected on respectively on the corresponding position of a pair of synchronous translation blade holder 212; Translation blade holder 212 is hinged with an end of corresponding scraper plate translation hydraulic cylinder 205 synchronously, and the other end of scraper plate translation hydraulic cylinder 205 is hinged on the cell body 223; Translation blade holder 212 is slidingly connected by roller 217 with corresponding translation track beam 211 synchronously; Translation track beam 211 is fixedlyed connected with cell body 223.
Leave the gap between the base of translation scraper plate 202 translation scraper plate 202 during and the cell body bottom surface 201 perpendicular to cell body bottom surface 201.
Scraper plate translation hydraulic cylinder 205, translation scraper plate angle modulation hydraulic cylinder 204 are connected with corresponding hydraulic pump, hydraulic control valve and presetting apparatus respectively.Scraper plate translation hydraulic cylinder 205 piston rods move back and forth under the effect of presetting apparatus, hydraulic pump and hydraulic control valve synchronously; Translation scraper plate angle modulation hydraulic cylinder 204 piston rods move back and forth under the effect of presetting apparatus, hydraulic pump and hydraulic control valve synchronously.
Described lifting hydraulic transmission comprises that a pair of lifting track girder 215, one promote blade holder 216, a pair of lifting scraper plate support bar 218, draw bar 208, scraper plate and promote hydraulic cylinder 206, one and promote scraper plate angle modulation hydraulic cylinder 207, hydraulic pump, hydraulic control valve and presetting apparatus (not shown in three term diagrams of back).
The two ends that promote scraper plate 203 are separately fixed at and promote the end of scraper plate support bar 218 near cell body inclined-plane 224, this is rotatably connected on the corresponding position that promotes blade holder 216 two ends respectively to the other end that promotes scraper plate support bar 218, two middle parts that promote scraper plate support bar 218 connect by draw bar 208, and the so corresponding lifting scraper plate 203 that connects, draw bar 208 and a pair of lifting scraper plate support bar 218 are formed one group and promoted scraper component.
Leave the gap between the base of lifting scraper plate 203 and the cell body inclined-plane 224 when promoting scraper plate 203 perpendicular to cell body inclined-plane 224.
Scraper plate promotes hydraulic cylinder 206, promote scraper plate angle modulation hydraulic cylinder 207 is connected with corresponding hydraulic pump, hydraulic control valve and presetting apparatus respectively.Scraper plate promotes hydraulic cylinder 206 piston rods and promotes scraper plate angle modulation hydraulic cylinder 207 piston rods and moves back and forth respectively under the effect of presetting apparatus, hydraulic pump and hydraulic control valve.
The synchronous mode mucking machine is installed in boiler slag removal door 219 belows, and the width of mucking machine inner chamber is slightly larger than the width of boiler slag removal door 219.Contain cooling water in the cell body 223, the cooling water surface 220 is a little less than the bottom surface of synchronous translation blade holder 212.Boiler slag removal door 219 lower surfaces are embedded in the cooling underwater and are no less than 100 millimeters.
A working cycles process of the synchronous translation slag of the scraper plate of synchronous mode mucking machine is as follows:
1. original position
Synchronous translation blade holder 212 of synchronous mode mucking machine shown in Figure 2 and translation scraper plate 202 all are positioned at original position.Translation this moment scraper plate 202 is approximately perpendicular to cell body bottom surface 201.
2. translation slag
Synchronous mode mucking machine translation scraper plate 202 shown in Figure 3 is positioned at the extreme position of translation slag.From 1. original position of step, scraper plate translation hydraulic cylinder 205 begins to stretch out piston rod under the effect of the guiding of presetting apparatus and hydraulic pump promotes synchronous translation blade holder 212 and moves right, 212 of translation blade holder drive translation scraper plate 202 and fall the slag 225 of bottom land together synchronously to right translation through slag notch and cooling water synchronously, stop up to this extreme position, slag falls into recess 210.
3. lift scraper plate
Synchronous mode mucking machine translation scraper plate 202 shown in Figure 4 is positioned at the extreme position that lifts.When translation scraper plate 202 reaches step 2. behind the extreme position of translation slag, translation scraper plate angle modulation hydraulic cylinder 204 back shrinks piston rod under the effect of the guiding of presetting apparatus and hydraulic pump, drive translation scraper plate support bar 213 and translation scraper plate 202 and rotate an angle synchronously, in the process that resets to left movement, run into slag to avoid translation scraper plate 202 around its pivot.Stop when arriving this extreme position.
4. scrape sheet reset
Synchronous mode mucking machine translation scraper plate 202 shown in Figure 2 has reset to original position.After translation scraper plate 202 reaches step position 3., the beginning under the effect of the guiding of presetting apparatus and hydraulic pump of scraper plate translation hydraulic cylinder 205 is back shunk piston rod and is driven synchronous translation blade holder 212 to left movement, 212 of translation blade holder drive translation scraper plate 202 together synchronously to left synchronously, move left to original position shown in Figure 2 up to synchronous translation blade holder 212 and stop.Simultaneously translation scraper plate angle modulation hydraulic cylinder 204 stretches out piston rod under the effect of the guiding of presetting apparatus and hydraulic pump, drives translation scraper plate support bar 213 and translation scraper plate 202 and rotates synchronously, is approximately perpendicular to cell body bottom surface 201 up to translation scraper plate 202 and stops.The time that makes translation scraper plate angle modulation hydraulic cylinder 204 stop to move by the control program of adjusting presetting apparatus lags behind scraper plate translation hydraulic cylinder 205 slightly, scrape the slag action so that produce one section circular arc, the slag that newly falls in the aforementioned time is swept, do not make slightly bigger clinker leave over the scraper plate baseplane again.
Next, 1. the translating sections of synchronous mode mucking machine constantly repeat-4. working cycles, the slag of falling on the cell body bottom surface 201 is just constantly moved in the recess 210.
The working cycles process that the synchronous mode mucking machine promotes slag is as follows:
1. original position
Synchronous mode mucking machine shown in Figure 2 promotes scraper plate 203, lifting blade holder 216 all is positioned at original position.Promote the original position of scraper plate 203 bases this moment facing to recess 210.
2. promote slag
From original position, promote scraper plate angle modulation hydraulic cylinder 207 and under the effect of the guiding of presetting apparatus and hydraulic pump, begin to shrink piston rod, drive lifting scraper plate 203 and do circular motion, slag in the recess 210 is scraped the original position on cell body inclined-plane 224, promptly when promoting scraper plate 203 and cell body inclined-plane 224 when vertical, lifting scraper plate angle modulation hydraulic cylinder 207 stops to shrink piston rod.Then scraper plate promotes hydraulic cylinder 206 beginning under the effect of the guiding of presetting apparatus and hydraulic pump and back shrinks piston rod, drives to promote scraper plate 203 and promote slags and move obliquely upward.Stop when scraper plate 203 rises to extreme position shown in Figure 4 when promoting, slag falls into dirt-excluding groove 209, is transferred away then.
3. lift scraper plate
Promote scraper plate angle modulation hydraulic cylinder 207 and under the effect of the guiding of presetting apparatus and hydraulic pump, begin to stretch out piston rod, drive to promote when scraper plate 203 turns to as shown in Figure 2 angle and stop.
4. scrape sheet reset
Scraper plate promotes hydraulic cylinder 206 stretch out piston rod under the effect of the guiding of presetting apparatus and hydraulic pump then, promotes to promote blade holder 216 and drives and promote scraper plates 203 and move to oblique below, and the original position that resets to as shown in Figure 2 until scraper plate stops.
Next, 1. the lift portion of synchronous mode mucking machine constantly repeat-4. working cycles, the slag that moves in the recess 210 just constantly is transferred away.
The frequency that promotes the reciprocating action of scraper plate can be provided with lowlyer, because the water in the slag must be filtered after slag rises on the water surface, send in the dirt-excluding groove again, thereby lifting scraper plate of the present invention is bigger than translation scraper plate area, by adjusting the control program of presetting apparatus, do not producing under the prerequisite that promotes scraper plate and translation scraper plate movement interference, making the translation scraper plate promote scraper plate back and forth and make a round trip.
The movement locus on the scraper plate base of synchronous mode mucking machine as shown in Figure 7.Circle is represented the position on synchronization scraper plate base among the figure, and numeral is 1. to 8. representing first to the 8th group of translation scraper component.
What this preferred embodiment one synchronous mode hydraulic transmission slag tapping machine adopted also is one of method for optimizing of hydraulic transmission slag tapping method of the present invention.That is: slag 225 is fallen into the slag step that falls in the cell body 223 from boiler slag removal door 219, slag 225 is fallen the water-cooled step of cell body bottom surface 201 through the cooling water in the cell body 223, drag for the slag step with what fall that slag 225 on the cell body bottom surface 201 takes cell body 223 out of, the wherein said slag step of dragging for comprises two stages: the phase I is for driving 201 reciprocating motions along the cell body bottom surface of translation scraper plate 202 by the translation hydraulic transmission, moves to slag translation stage of bottom land end recess 210 with falling slag 225 on the cell body bottom surface 201; Second stage is reciprocal lifting and drop movements by lifting scraper plate 203, and the slag 225 that will be arranged in bottom land end recess 210 is promoted to cell body 223 outer dragging for the slag stage.The reciprocating motion of slag translation stage translation scraper plate 202 wherein is to move back and forth synchronously.The lifting scraper plate 203 of slag in the stage that drag for wherein back and forth promotes and drop movements by promoting the hydraulic transmission driving.
Preferred embodiment two
Fig. 8 to Figure 13 shows the preferred embodiments of the present invention two: programme-control two combination step type hydraulic transmission mucking machines.
Extremely shown in Figure 13 as Fig. 8, cell body 223, the lifting hydraulic transmission of the preferred embodiment of the present invention two---programme-control two combination step type hydraulic transmission mucking machines (hereinafter to be referred as two combination step-by-step movement mucking machines) are identical with embodiment one programme-control synchronous mode hydraulic transmission slag tapping machine, only translation hydraulic transmission difference.Below only describe and programme-control synchronous mode hydraulic transmission slag tapping machine different piece, same section repeats no more.
Described translation hydraulic transmission comprises a pair of translation track beam 211, is connected the quadruplet hydraulic transmission assembly 226,227,228,229 on the translation track beam, and hydraulic pump, hydraulic control valve and presetting apparatus (not shown in three term diagrams of back).Wherein every cover hydraulic transmission assembly comprises a pair of stepping translation blade holder 221, a pair of translation scraper plate support bar 213, a pair of scraper plate translation hydraulic cylinder 205 and a pair of translation scraper plate angle modulation hydraulic cylinder 204.
The two ends of every translation scraper plate 202 in every cover hydraulic transmission assembly are separately fixed at the end of corresponding a pair of translation scraper plate support bar 213 near cell body bottom surface 201, this other end to translation scraper plate support bar 213 is rotatably connected on respectively on the corresponding position of a pair of stepping translation blade holder 221, and a so corresponding translation scraper plate 202 that connects and a pair of translation scraper plate support bar 213 are formed one group of translation scraper component.
The translation scraper plate support bar 213 that every cover hydraulic transmission assembly comprises two groups of translation scraper components and 222, two groups of translation scraper components of a pair of stepping scraper plate connecting rod respective side becomes one by being rotationally connected at identical position and corresponding stepping scraper plate connecting rod 222.Wherein the translation scraper plate support bar 213 in one group of translation scraper component is rotationally connected with an end of corresponding translation scraper plate angle modulation hydraulic cylinder 204 respectively, and the other end of translation scraper plate angle modulation hydraulic cylinder 204 is rotatably connected on respectively on the corresponding position of a pair of stepping translation blade holder 221.Stepping translation blade holder 221 is hinged with an end of corresponding scraper plate translation hydraulic cylinder 205, and the other end of scraper plate translation hydraulic cylinder 205 is hinged on the cell body 223.Stepping translation blade holder 221 is slidingly connected by roller 217 with corresponding translation track beam 211.Translation track beam 211 is fixedlyed connected with cell body 223.
Scraper plate translation hydraulic cylinder 205, translation scraper plate angle modulation hydraulic cylinder 204 are connected with corresponding hydraulic pump, hydraulic control valve and presetting apparatus respectively.Scraper plate translation hydraulic cylinder 205 piston rods move back and forth under the effect of presetting apparatus, hydraulic pump and hydraulic control valve synchronously; Translation scraper plate angle modulation hydraulic cylinder 204 piston rods move back and forth under the effect of presetting apparatus, hydraulic pump and hydraulic control valve synchronously; Each overlaps hydraulic transmission assembly 226,227,228,229 stepping reciprocating motion successively under the effect of presetting apparatus, hydraulic pump and hydraulic control valve.
The step-by-step movement mucking machine is installed in boiler slag removal door 219 belows, and the width of mucking machine inner chamber is slightly larger than the width of boiler slag removal door 219.Contain cooling water in the cell body 223, the cooling water surface 220 is a little less than the bottom surface of synchronous translation blade holder 212.Boiler slag removal door 219 lower surfaces are embedded in the cooling underwater and are no less than 100 millimeters.
In conjunction with the movement locus on the scraper plate base of two combination step-by-step movement mucking machines shown in Figure 14, a working cycles process of scraper plate stepping translation slag of simply describing two combination step-by-step movement mucking machines is as follows:
Fig. 8 is hydraulic transmission assembly, translation scraper plate under the initial confined state of two combination step-by-step movement mucking machines, promotes the structural representation of scraper plate that Fig. 9 to Figure 12 is the instantaneous state schematic diagram that two combination step-by-step movement mucking machines are carried a working cycles process middle scraper of slag.Every group of translation scraper component in every cover hydraulic transmission assembly is synchronized with the movement by the connection of stepping scraper plate connecting rod, and it is identical with movement locus with the synchronous mode mucking machine that each group translation scraper component moves back and forth mode.The course of work of two combination step-by-step movement mucking machines and the difference of synchronous mode mucking machine are by programme-control hydraulic drive group in the adjustment presetting apparatus and the phase difference between the group, when making last group slag delivered to extreme position, the back has been in holding fix for one group, when last group of scraper plate backhaul, the back is in original position rapidly for one group, by that analogy, group is moved and mutually noninterfere mutually with the movement relation formation step-by-step movement between the group.The motion of slag has been shortened the synchronous stand-by period of drawback movement together of synchronous mucking machine in the preferred embodiment one with regard to similar chaindriven continuous motion like this.
The operation principle of the lifting scraper plate of present embodiment is with preferred embodiment one.
The movement locus on the scraper plate base of two combination step-by-step movement mucking machines as shown in figure 14.Circle is represented the position on synchronization scraper plate base among the figure, and numeral is 1. to 8. representing first to the 8th group of translation scraper component.Its movement locus is identical with the synchronous mode mucking machine, and just the position on scraper plate base shown in the circle is different with the synchronous mode mucking machine among the synchronization figure.
The step-by-step movement mucking machine can increase or reduce the quantity of hydraulic transmission assembly and translation scraper component arbitrarily according to the size of boiler, and design is convenient, but structure and programming complexity.
What two liang of this preferred embodiments combination step type hydraulic transmission mucking machine adopted is another method for optimizing of hydraulic transmission slag tapping method of the present invention, and it is that with hydraulic transmission slag tapping method difference in the preferred embodiment one reciprocating motion of slag translation stage translation scraper plate is the reciprocating motion of stepping successively.
Other embodiment
Below only be description to part preferred embodiment of the present invention, but not limitation of the present invention.The present invention is not limited thereto, but can carry out variations and modifications.
For example, can after slag moves to cell body one end, take additive method to pull slag out, promote as spiral.
Again for example, can take other transient modes between cell body bottom surface and the cell body inclined-plane, as between one deep trouth is set, recess 210 can also be a face of cylinder recess.
Again for example, cell body one end is not established the inclined-plane, but a big hopper that has a netted leaking hole is set, and treats to fill in the hopper directly to promote behind the slag behind the drainage slag installed on the haulage vehicle and transports.
In addition, translation hydraulic transmission, lifting hydraulic transmission can have various modes, and the connected mode between hydraulic cylinder, scraper plate, scraper plate support bar, the blade holder also can have various variations.The mode that is slidingly connected as length, blade holder and the translation track beam of the quantity that can change scraper plate as required, blade holder, change the quantity of the scraper component that the every cover hydraulic transmission assembly of step-by-step movement mucking machine comprises as required, as make compound mode arbitrarily such as a combination, three combinations, four combinations, five combinations, the step motion mode between hydraulic drive group and the group can have multiple implementation as required under the prerequisite of mutually noninterfere.Figure 15 is the structural representation of a programme-control four combination step type hydraulic transmission mucking machine embodiment of the present invention; Figure 16 is the structural representation of a programme-control one combination step type hydraulic transmission mucking machine embodiment of the present invention.
Be appreciated that all equivalent arrangements of doing according to claim of the present invention change, all in protection scope of the present invention.
The invention provides that a kind of to adopt program control technology set hydraulic system be the mucking machine of power.Mucking machine adopts stored program controlled control, and the quantity of slag that goes out of boiler is carried out analog computation, controls the method for operation of mucking machine automatically.With the hydraulic means is power, adopt synchronous mode or step-by-step movement accurately to control to hydraulic transmission, each hydraulic transmission is coordinative operation under the accurate control of stored program controlled, drives many group scraper components and takes slag out of cell body with synchronous or step-by-step system, finishes the task of slagging tap.
For various abnormal conditions, under the insurmountable situation of programme-control, change the manual control system behind the system alarm over to.
Hydraulic transmission slag tapping method disclosed by the invention and mucking machine have solved existing machinery slag tapping method and mucking machine can not a reciprocating difficult problem, realized the reciprocating motion of scraper plate easily, removed fully material has been required than higher chain gearing, significantly reduced the easy consumption consumable accessory of mucking machine, complete machine cost and power consumption decline to a great extent.And hydraulic system adopts light-duty deslagging hydraulic package, the scraper component of motion is to be suspended on the track girder, leave the gap between scraper plate and cell body bottom surface or the cast stone face on it, make not directly friction between them, prolong the service life of scraper plate greatly, significantly reduced raw materials consumption and energy resource consumptions such as steel.And hydraulic system has more low-power consumption, and more high stability, and the characteristic of being convenient to control makes the slag-tapping system operating condition stable.The also practicable hermetically sealed layout of system, cleaned in situ, system's inleakage reduces, energy-saving and environmental protection.
Claims (14)
1, a kind of hydraulic transmission slag tapping method, comprise slag is fallen into the slag step that falls in the cell body from the boiler slag removal door, slag is fallen the water-cooled step of bottom land through the cooling water in the cell body, drag for the slag step with what the slag of falling bottom land was taken cell body out of, it is characterized in that the described slag step of dragging for is to drive scraper plate by hydraulic transmission to move back and forth, take the slag of falling bottom land out of cell body.
2, hydraulic transmission slag tapping method according to claim 1, it is characterized in that the described slag step of dragging for comprises two stages: the phase I moves back and forth along bottom land for driving the translation scraper plate by the translation hydraulic transmission, the slag of falling bottom land is moved to the slag translation stage of bottom land end; Second stage is reciprocal lifting and drop movements by the lifting scraper plate, and the slag that will be positioned at the bottom land end is promoted to outer the dragging for the slag stage of cell body.
3, hydraulic transmission slag tapping method according to claim 2, the reciprocating motion that it is characterized in that described slag translation stage translation scraper plate is for moving back and forth synchronously.
4, hydraulic transmission slag tapping method according to claim 2 is characterized in that the reciprocating motion of described slag translation stage translation scraper plate is stepping reciprocating motion successively.
5,, it is characterized in that the described lifting scraper plate of slag in the stage that drag for back and forth promotes and drop movements by promoting the hydraulic transmission driving according to any described hydraulic transmission slag tapping method of claim 2 to 4.
6, a kind of hydraulic transmission slag tapping machine, comprise cell body, be arranged on a plurality of translation scraper plates on the cell body bottom surface, it is characterized in that also comprising the translation hydraulic transmission, described translation hydraulic transmission and cell body bottom surface, driving lower edge at the translation hydraulic transmission a plurality of translation scraper plates that move back and forth that pass through are connected.
7, hydraulic transmission slag tapping machine according to claim 6 is characterized in that,
Described translation hydraulic transmission comprises a pair of translation track beam, a pair of synchronous translation blade holder, many to translation scraper plate support bar, a pair of synchronous scraper plate connecting rod, a pair of scraper plate translation hydraulic cylinder, a pair of translation scraper plate angle modulation hydraulic cylinder, hydraulic pump, hydraulic control valve and presetting apparatus, wherein
The two ends of a translation scraper plate are separately fixed at the end of corresponding a pair of translation scraper plate support bar near the cell body bottom surface, this other end to translation scraper plate support bar is rotatably connected on respectively on the corresponding position of a pair of synchronous translation blade holder, and a so corresponding translation scraper plate and a pair of translation scraper plate support bar that connects formed one group of translation scraper component;
Each translation scraper plate support bar of organizing translation scraper component respective side becomes one by being rotationally connected at the identical position and the corresponding position of scraper plate connecting rod synchronously;
One group of translation scraper plate support bar in the translation scraper component is rotationally connected with an end of corresponding translation scraper plate angle modulation hydraulic cylinder respectively, and the other end of translation scraper plate angle modulation hydraulic cylinder is rotatably connected on respectively on the corresponding position of a pair of synchronous translation blade holder;
An end of translation blade holder and corresponding scraper plate translation hydraulic cylinder is hinged synchronously, and the other end of scraper plate translation hydraulic cylinder is hinged on the cell body;
Translation blade holder and corresponding translation track beam are slidingly connected synchronously;
The translation track beam is fixedlyed connected with cell body;
Scraper plate translation hydraulic cylinder, translation scraper plate angle modulation hydraulic cylinder are controlled by hydraulic pump, hydraulic control valve and the presetting apparatus of correspondence respectively;
Scraper plate translation hydraulic cylinder piston rod moves back and forth under the effect of presetting apparatus, hydraulic pump and hydraulic control valve synchronously;
Translation scraper plate angle modulation hydraulic cylinder piston rod moves back and forth under the effect of presetting apparatus, hydraulic pump and hydraulic control valve synchronously.
8, hydraulic transmission slag tapping machine according to claim 6 is characterized in that:
Described translation hydraulic transmission comprises a pair of translation track beam, is connected the many covers hydraulic transmission assembly on the translation track beam, and hydraulic pump, hydraulic control valve and presetting apparatus, wherein
Every cover hydraulic transmission assembly comprises a pair of stepping translation blade holder, a pair of translation scraper plate support bar, a pair of scraper plate translation hydraulic cylinder and a pair of translation scraper plate angle modulation hydraulic cylinder, wherein
The two ends of a translation scraper plate are separately fixed at the end of corresponding a pair of translation scraper plate support bar near the cell body bottom surface, this other end to translation scraper plate support bar is rotatably connected on respectively on the corresponding position of a pair of stepping translation blade holder, and a so corresponding translation scraper plate and a pair of translation scraper plate support bar that connects formed one group of translation scraper component;
Translation scraper plate support bar in the translation scraper component is rotationally connected with an end of corresponding translation scraper plate angle modulation hydraulic cylinder respectively, and the other end of translation scraper plate angle modulation hydraulic cylinder is rotatably connected on respectively on the corresponding position of a pair of stepping translation blade holder;
One end of stepping translation blade holder and corresponding scraper plate translation hydraulic cylinder is hinged, and the other end of scraper plate translation hydraulic cylinder is hinged on the cell body;
Stepping translation blade holder and corresponding translation track beam are slidingly connected;
The translation track beam is fixedlyed connected with cell body;
Scraper plate translation hydraulic cylinder, translation scraper plate angle modulation hydraulic cylinder are controlled by hydraulic pump, hydraulic control valve and the presetting apparatus of correspondence respectively;
Scraper plate translation hydraulic cylinder piston rod moves back and forth under the effect of presetting apparatus, hydraulic pump and hydraulic control valve synchronously;
Translation scraper plate angle modulation hydraulic cylinder piston rod moves back and forth under the effect of presetting apparatus, hydraulic pump and hydraulic control valve synchronously;
Each overlaps hydraulic transmission assembly stepping reciprocating motion successively under the effect of presetting apparatus, hydraulic pump and hydraulic control valve.
9, hydraulic transmission slag tapping machine according to claim 8, it is characterized in that described every cover hydraulic transmission assembly comprises at least two group translation scraper components and a pair of stepping scraper plate connecting rod, the translation scraper plate support bar of wherein respectively organizing translation scraper component respective side becomes one by being rotationally connected at identical position and corresponding stepping scraper plate connecting rod.
10, according to any described hydraulic transmission slag tapping machine of claim 6 to 9, leave the gap between the base of translation scraper plate and the cell body bottom surface when it is characterized in that described translation scraper plate perpendicular to the cell body bottom surface.
11, according to any described hydraulic transmission slag tapping machine of claim 6 to 9, it is characterized in that also comprising the cell body inclined-plane that is arranged on cell body one end, be arranged on the lifting scraper plate on the cell body inclined-plane and promote hydraulic transmission that described lifting hydraulic transmission is connected with the lifting scraper plate that moves back and forth to the top from the bottom on cell body inclined-plane under the driving of lifting hydraulic transmission.
12, hydraulic transmission slag tapping machine according to claim 11 is characterized in that,
Described lifting hydraulic transmission comprises that a pair of lifting track girder, lifting blade holder, a pair of lifting scraper plate support bar, a draw bar, a scraper plate promote hydraulic cylinder, lifting scraper plate angle modulation hydraulic cylinder, hydraulic pump, hydraulic control valve and a presetting apparatus, wherein
The two ends that promote scraper plate are separately fixed at this to promoting the end of scraper plate support bar near the cell body inclined-plane, this is rotatably connected on the corresponding position that promotes the blade holder two ends respectively to the other end that promotes the scraper plate support bar, two middle parts that promote the scraper plate support bar connect by draw bar, and a so corresponding lifting scraper plate, a draw bar and a pair of lifting scraper plate support bar that connects formed one group and promoted scraper component;
The draw bar middle part that promotes in the scraper component is rotationally connected with an end that promotes scraper plate angle modulation hydraulic cylinder, and the other end that promotes scraper plate angle modulation hydraulic cylinder is rotatably connected on and promotes the blade holder middle part;
An end that promotes blade holder and scraper plate lifting hydraulic cylinder is hinged, and the other end that scraper plate promotes hydraulic cylinder is hinged on the cell body;
Promoting blade holder is slidingly connected with the lifting track girder;
Promoting track girder fixedlys connected with cell body;
Scraper plate promotes hydraulic cylinder, lifting scraper plate angle modulation hydraulic cylinder is controlled by hydraulic pump, hydraulic control valve and the presetting apparatus of correspondence respectively;
Scraper plate promotes hydraulic cylinder piston rod and moves back and forth under the effect of presetting apparatus, hydraulic pump and hydraulic control valve;
Promoting scraper plate angle modulation hydraulic cylinder piston rod moves back and forth under the effect of presetting apparatus, hydraulic pump and hydraulic control valve.
13, hydraulic transmission slag tapping machine according to claim 12, it is characterized in that being connected by a recess transition between described cell body inclined-plane and the cell body bottom surface, described lifting hydraulic transmission connects with the bottom that reciprocally turns to the cell body inclined-plane under the driving that promotes hydraulic transmission along the cell body recess, the lifting scraper plate that moves to the top on cell body inclined-plane again along the cell body inclined-plane.
14,, leave the gap between the base of lifting scraper plate and the cell body inclined-plane when it is characterized in that described lifting scraper plate perpendicular to the cell body inclined-plane according to claim 12 or 13 described hydraulic transmission slag tapping machines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810097750XA CN101294711A (en) | 2008-05-23 | 2008-05-23 | Hydraulic transmission slag tapping method and slag tapping machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810097750XA CN101294711A (en) | 2008-05-23 | 2008-05-23 | Hydraulic transmission slag tapping method and slag tapping machine |
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| CN101294711A true CN101294711A (en) | 2008-10-29 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994445A (en) * | 2014-05-22 | 2014-08-20 | 北京中科通用能源环保有限责任公司 | Feeding device and cooling system for slag cooler of fluidized bed garbage incinerator |
| CN107687646A (en) * | 2017-09-11 | 2018-02-13 | 江苏冉宁环境科技有限公司 | The wet type scrapper conveyor of accurate temperature control |
| CN113069902A (en) * | 2021-03-31 | 2021-07-06 | 沈少华 | High-pressure fine water mist desulfurization treatment equipment |
| CN113932237A (en) * | 2021-11-05 | 2022-01-14 | 国家电投集团江西电力工程有限公司 | Overspeed device tensioner suitable for dragveyer |
-
2008
- 2008-05-23 CN CNA200810097750XA patent/CN101294711A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994445A (en) * | 2014-05-22 | 2014-08-20 | 北京中科通用能源环保有限责任公司 | Feeding device and cooling system for slag cooler of fluidized bed garbage incinerator |
| CN107687646A (en) * | 2017-09-11 | 2018-02-13 | 江苏冉宁环境科技有限公司 | The wet type scrapper conveyor of accurate temperature control |
| CN113069902A (en) * | 2021-03-31 | 2021-07-06 | 沈少华 | High-pressure fine water mist desulfurization treatment equipment |
| CN113932237A (en) * | 2021-11-05 | 2022-01-14 | 国家电投集团江西电力工程有限公司 | Overspeed device tensioner suitable for dragveyer |
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