CN101373066B - Method and apparatus for exchanging nozzle on line - Google Patents
Method and apparatus for exchanging nozzle on line Download PDFInfo
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- CN101373066B CN101373066B CN2008101725258A CN200810172525A CN101373066B CN 101373066 B CN101373066 B CN 101373066B CN 2008101725258 A CN2008101725258 A CN 2008101725258A CN 200810172525 A CN200810172525 A CN 200810172525A CN 101373066 B CN101373066 B CN 101373066B
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Abstract
The invention discloses a nozzle on-line replacement method and a replacement device thereof. The invention is characterized that an excessive pressure tank (3) is arranged on the flange of a furnace mouth (23); the excessive pressure tank is provided with an in-service nozzle (5) and a waiting-for-service nozzle (18); and the in-service nozzle (5) and the waiting-for-service nozzle (18) are arranged in the excessive pressure tank (3) and no pressure difference exists between the furnace and the tank. Through the effect of the driving mechanism in the replacement device and the off-on switch of a quickly assembling and disassembling sealed connection module (1), the on-line replacement of the in-service nozzle (5) and the waiting-for-service nozzle (18) can be completed. The invention has the advantages that the invention can carry on the nozzle on-line replacement without stopping the use of the furnace, and without replacement, drawing and warm-up heating; can prevent furnace blocks from suffering the damages caused by rapid cooling and heating, thereby extending the service life of the furnace blocks; can conduct the replacement before the worsening of the nozzle gasification index, thereby ensuring that the nozzle performance index always run under good conditions; and can ensure the gasification furnace achieves long-term smooth running, thereby reducing the cost caused by replacement of nozzles and furnace blocks and avoiding the loss of off production.
Description
Technical field
The present invention relates to a kind of nozzle exchange method, relate in particular in order to gasified coal water slurry, fine coal, residual oil, petroleum coke etc. and contain the online replacing method of nozzle of hydrocarbon material and changing device more thereof.
Background technology
The texaco coal-water slurry gasification device, safe, reliable from feedstock production and conveying, coal consumption, oxygen consumption and power consumption are low, the start-stop car is convenient, investment cost is economized, localization rate of parts and components height, and the construction period is short, can wait and be pressed into, all many-sides such as the few and licence fee of three waste discharge is low have clear superiority, but exist congenital technological deficiency, and gasification nozzle very easily damages, the nozzle cycle of operation is short, the expense height that the stove brick is changed and keeped in repair.
Existing Texaco coal water slurry process nozzle, comprise the multiinjector opposed type coal-water-slurry gasification nozzle that has autonomous property right, general all is to adopt the now the most resistant to elevated temperatures UMCo50 alloy material of Japan for the aerospace industry development, it is introduced that this alloy is to be applied to operating mode stablize, do not have grit to wash away the rocket jet position of short time interval.For the coal slurry gasifier nozzle, not only require this material to possess 1400 ℃～1500 ℃ hyperthermia radiations of ability, also require washing away of the at a high speed hard particulate of ability, ability sulphur atmosphere corrosion, requirement can steady in a long-term move again.Under the prerequisite that the material that possesses such performance is not also developed at present, in order under above-mentioned harsh conditions, to move by holdout device.At present, the used nozzle of gasification furnace all is after nozzle moves a period of time both at home and abroad, and the passive mode that the nozzle damage is changed or nozzle does not have damage to carry out preventative periodic replacement is yet dealt with.
Existing gasification installation is changed the process of nozzle: at first cut off the gasifying agent and the gasification materiel valve of nozzle, gasification furnace stops gas making.With middle normal pressure and temperature nitrogen purge oxygen pipeline, gasification furnace, shock chamber and scrubbing tower, taking out lead device with steam takes out to draw to make in the stove and keeps little negative pressure, at this moment gasification furnace begins the furnace temperature reduction, take nozzle and fire door adpting flange apart, with electric block nozzle is extracted fire door, at this moment have a large amount of cold airs to enter in the stove, furnace temperature further reduces.Before intact new nozzle is installed, need be preheated to 1150～1200 ℃ of temperature to gasification furnace with the preheating burner, furnace temperature is raise, the quantity of steam of lead device is taken out in adjusting, make and keep little negative pressure in the stove, cut off preheating burner fuel gas, hang away the preheating burner with electric block, intact nozzle is installed in the gasification furnace fire door, new nozzle flange and fire door flange are connected, each charging aperture flange of nozzle is connected, metal hose with nozzle cooling water switches to hard tube afterwards, opens gasifying agent and is finished nozzle exchange by the valve of gasification materiel, and gasification furnace begins gas making again, if whole process Cis profit generally needs 8～10 hours.
In the process of nozzle exchange, there is the preheating burner to heat up in the stove again owing to have a large amount of air and normal temperature nitrogen to enter, in the stove temperature from high to low, from low to high, furnace pressure by height to nothing, by not having to height, the stove brick be subjected to cold and hot variations in temperature fast, change greatly, it all is quite serious that every replacing primary nozzle damages the stove brick, causes stove brick crackle and peels off, even cause the furnace wall overtemperature, be forced to blowing out and change or repair a whole set of stove brick.With the situation of present water-coal-slurry and residual oil gasification technology, exactly because the damage of 400,000 yuan of nozzles of a cover is forced to frequent blowing out to be changed, the result causes 4,000,000 yuan of a whole set of stove bricks to damage, and be forced to change brick and repair, even blowing out is built by laying bricks or stones again.
Even be difficult to so also guarantee that package unit can normally move, for this reason, people have to take to remedy this technological deficiency with the hot scheme that is equipped with gasification furnace of a cover is set more.Thereby the one-time investment expense that causes gasification installation significantly, even increase at double, in addition, frequently changes nozzle, and it is also quite serious to add up the stopping production loss that is caused.
Summary of the invention
In order in the technological deficiency that overcomes existing nozzle and the nozzle exchange process stove brick to be caused the disadvantage of damage.The present invention adopts the principle as " revolver " or " case rifle " and " manned satellite transitional storehouse " structural design, online replacing method of a kind of nozzle and changing device more thereof are provided, can under the condition that does not change furnace pressure and temperature, in the short time, automatically finish nozzle exchange; Also taking does not also have " fatigue " mode of " wheel tactics " of just imitating in time to change at the labour nozzle, can guarantee that every is always moved under serviceable condition in labour nozzle performance index, makes the gasification furnace long-time running stable, thus prolongation stove brick service life.
The technical solution adopted for the present invention to solve the technical problems is:
The online replacing method of nozzle mentality of designing a: container that can bear in the stove with equal pressure is set outside fire door, this container can rotate on the fire door flange or move, be loaded with two or many stage nozzles on the container, nozzle adopts fast mounting or dismounting hermetically-sealed construction to be connected with fire door, before changing nozzle, by giving this container inflation or introducing gas in the stove, pressure in the container is equated with furnace pressure, the replacing process of new and old nozzle be with stove in carry out in the container of no pressure reduction, under the effect of external force, finish to extract outside the stove or push moving axially in the stove and exchange with the mutual alignment, finish the replacing of new and old nozzle, after new nozzle installs, press in the container and let out to normal pressure.
The online more changing device of nozzle comprises: 1, transitional pressure jar, 2, the feed switch, 3, the sealing of pressurized tank, 4, flexible carrier pipe, 5, at the labour nozzle, 6, nozzle to be used as a servant, 7, nozzle axial seal, 8, the fast assembly that is tightly connected of installing and removing, 9, pressurising gas gateway, 10, shell body, 11, driving mechanism (can adopt conventional assembly to constitute, as: motor, reductor or air pressure, oil pressure are finished by leading screw, worm and gear, rack-and-pinion or cylinder, oil cylinder), 12, program control system.
The online replacing apparatus structure design of nozzle:
1, is mostly the radial flange feeding structure to the gasifying agent of existing nozzle with by medium inlets such as gasification materiels, enters the structure of nozzle form by adopting pipe fittings such as threeway and elbow to change the telescopic carrier pipe parallel into the shower nozzle central axis.
2, to have now between nozzle flange and the fire door flange, the flange that adopts connect and to change that clip is tightly connected (GB150-1998 GB150-1998 appendix G7) or the tooth-type clip is tightly connected (steel pressure vessels for the chemical industry intensity computational rules GB20582-1998) into, also can adopt the fast mounting or dismounting syndeton of fixture block clamping engagement wood closure pressure pad (GB150-1998 GB150-1998 appendix G4), its potted component can be a forced action type, self-tightening type or half self-tightening type, under the push-and-pull or turning effort of driving mechanism, by moving of clip or fixture block, the rotation that tooth is nibbled can be convenient and reliable the loading and unloading nozzle.
3, on the flange of fire door, be provided with one and can bear same equal pressure in the stove, can do the rotation of certain angle or the container that moves of certain distance relative to fire door again, being loaded with two or many on the container can axially movable nozzle, and driving mechanism can be that cylinder, oil cylinder or motor are finished by the effect of worm and gear, rack-and-pinion and moved and spinning movement.
4, transitional pressure jar pressurising gas can be nitrogen, steam or other inert gas, also can be gasification gas in the stove, leaning on the self-contained pressure regulator door pressure in the transitional pressure jar can be charged to furnace pressure equates, the replacing process that guarantees new and old nozzle be with stove in carry out in the container of no pressure reduction, under the effect of external force, finish.
4, the feed switch is made up of switch central layer, switch sealing and the rotational shell of material that has the flange connection and gasification agent inlet.
5, each flexible carrier pipe end flanges of nozzle and nozzle move axially the outer bottom of shell of revolution that the rear flange that drives oil cylinder or cylinder all is fixed on switch, the piston rod of this driving mechanism oil cylinder or cylinder is designed to hollow tubulose, the version that central tube gasifying agent carrier pipe passes from its center, central tube gasifying agent feed also can be told a manifold configuration from the flexible carrier pipe of outer shroud gasifying agent.
6, the feed switch is made up of the switch central layer that has fixedly perforate orientation and the rotational shell of switch, the outer shroud gasifying agent, central tube gasifying agent and carried out simultaneously by the switching of the feed of gasification materiel inlet and nozzle rotation transposition, because the two ends of shell body and the rotational shell and the transitional pressure jar of switch connect firmly, for this reason, when the transition pressurized tank rotates, the rotational shell of switch is rotation simultaneously also, the central layer perforate of not rotating switch is fixed on and the orientation that is communicated with at the labour nozzle, and the switching of also having finished the feed transfer passage feed inlet of new and old nozzle when pressurized tank is finished the certain angle rotation is switched.
7, the two ends of the rotational shell of feed switch and pressurized tank and shell body connect firmly and constitute a container, this container will overlap technology nozzle, flexible carrier pipe, nozzle more and move axially members such as driving oil cylinder and cover on wherein, constitute one and be enclosed between switch central layer and the fire door flange rotatable integral body under the effect of driving mechanism external force.
8, for convenience of the retired nozzle of artificial unloading, new nozzle to be used as a servant is installed, a side of shell body is provided with the nozzle handling door.
The online replacing of nozzle is mainly finished by the following motion width of cloth:
1, the be tightly connected fixture block of assembly or clip footpath of fast mounting or dismounting outwards removed the motion width of cloth or the tooth that inwardly push away with the footpath and nibbled the motion width of cloth of clip rotation.
2, extract outside the stove and nozzle to be used as a servant pushes the motion width of cloth in the stove at the labour nozzle.
3, finish the motion width of cloth that nozzle to be used as a servant is replaced (former in the labour nozzle) rotation of retired nozzle or moved;
Rely on this more changing device and stored program controlled, driving mechanism finish the above-mentioned motion width of cloth, operating scheme carries out according to the following steps:
1, the pressurising gas inlet of at first opening the transitional pressure jar makes the pressurized tank internal pressure equate with furnace pressure by self-contained pressure regulator;
2, close outer shroud gasifying agent, central tube gasifying agent and automatically by gasification materiel feed valve door suspension feed;
3, outwards remove fast mounting or dismounting the be tightly connected fixture block of assembly or clip or the tooth-type clip rotated to the open type angle in the external force effect of driving mechanism footpath;
4, will extract the quick detach that (extract stove outside afterwards is retired nozzle) stove outside finishes nozzle at the labour nozzle by the external force of driving mechanism, and with wait to use as a servant nozzle at same and column position;
5, under drive mechanism, the transitional pressure jar is rotated to an angle or move a certain distance, finish nozzle to be used as a servant and replace the action of retired nozzle (extract stove outer former) at the labour nozzle, make and wait to use as a servant the nozzle alignment fire door, the while also finishes outer shroud gasifying agent, central tube gasifying agent and contains the switching of the feed inlet of hydrocarbon material;
6, promote nozzle to be used as a servant is pushed the position of setting in the stove (becoming at the labour nozzle) by driving mechanism;
7, the footpath of the external force effect by driving mechanism inwardly pushes away clip, fixture block or the tooth-type clip is rotated to the fast-assembling that the enclosed angle is finished nozzle;
8, open automatically outer shroud gasifying agent, central tube gasifying agent with by gasification materiel feed valve door by the feed switch to newly at labour nozzle feed, new nozzle begins to make gas;
9, close the self-contained pressure regulator door automatically, open the relief valve of pressurized tank, let out, so far, change the full-automatic program operation of nozzle and finish to normal pressure.
By artificial will be the more retired nozzle of changing device remove, and install and wait that the operation sequence of using as a servant nozzle carries out according to the following steps:
1, at first opens the handling door of casing cylinder one side;
2, pull down outer shroud gasifying agent and by the bottom adpting flange of the flexible stopped pipe of gasification materiel with the rotational shell of feed switch, pull down the rear flange that the driving nozzle moves axially oil cylinder or cylinder again, the stopped pipe that will all stretch contracts to the shortest;
3, remove gland, filler and the gasket ring of retired nozzle shaft to black box;
4, with retired nozzle shaft outside proposing pressurized tank, retired nozzle is shifted out more changing device from nozzle handling hole door;
5, install the intact new nozzle to be used as a servant of performance by above inverse step;
6, whether gas checking nozzle axial seal place from non-oxide medium to the transitional pressure jar that import leaks;
7, after the passed examination, close charging valve, open the pressure relief valve of pressurized tank and let out most jar of internal pressure to normal pressure;
8, close nozzle handling door on the shell body.
The whole programs of nozzle exchange finish.
The invention beneficial effect:
Need blowing out during 1, with original nozzle exchange, need nitrogen to purge, need steam to take out and draw, need controlled valve, need complexity, the heavy time-consuming again manually-operated process of dismounting flange to become simply, full-automatic programme-control process easily and efficiently.
2, since above old nozzle extract-sequence that the displacement of new and old nozzle-new nozzle pushes just easily finishes in a few minutes, therefore, have ready conditions and shorten the cycle of operation of single mouth, can in having the premalignant short period, the nozzle gasification index just not change fully, thereby the performance indications that guarantee nozzle are always moved under the serviceable condition, and then, can improve effective gas content and output.
3,, for this reason, can avoid a large amount of lower temperature displacement gas and air to enter in the stove, thereby protection stove brick exempt from the infringement of rapid heat cycle, can prolong the service life of stove brick because of nozzle exchange is not to carry out under the situation of fire door open type.
4, owing to the accident that can not take place to be forced to blowing out, to fall stove because of nozzle damages, thereby can make gasification furnace reach single series, long-period stable operation, save displacement nitrogen, take out and draw steam, the consumption of pre-heating fuel gas, reduce nozzle and stove brick renewal cost, reduce the loss that stops production.
Description of drawings
Fig. 1 is an agent structure user mode schematic diagram of the present invention;
Fig. 2 is an agent structure schematic diagram of the present invention;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the B-B cutaway view of Fig. 2;
Fig. 5 is the C-C cutaway view of Fig. 2;
Fig. 6 is the left view of Fig. 2;
Fig. 7 is the vertical view of Fig. 6;
Fig. 8 is the right view of Fig. 2;
Fig. 9 is for extracting the fast structural representation that is tightly connected of installing and removing of back clamping hoop type at the labour nozzle;
Figure 10 is the D-D cutaway view of Fig. 9;
Figure 11 installs and removes the structural representation that is tightly connected for the Wood formula is fast;
Figure 12 is the E-E cutaway view of Figure 11;
Figure 13 nibbles the fast structural representation that is tightly connected of installing and removing of clamping hoop type for tooth;
Figure 14 is the F-F cutaway view of Figure 13;
Figure 15 is the G-G cutaway view of Figure 13;
Figure 16 is a transitional pressure jar moving structure schematic diagram;
Figure 17 is Figure 16 left view;
Figure 18 is the H-H cutaway view of Figure 16;
Figure 19 moves the back structural representation for the transitional pressure jar;
Figure 20 is the L-L cutaway view of Figure 16;
Figure 21 transitional pressure can end rotation partial structurtes figure.
Comprise among the above-mentioned figure: fast assembly 1 (the clamping hoop type 1a that is tightly connected that installs and removes, Wood formula 1b, tooth is nibbled clamping hoop type 1c), pressurized tank sealing 2, transitional pressure jar 3, shell body 4, at labour nozzle 5, the central tube gasifying agent siphunculus 6 that stretches, by the flexible siphunculus 7 of gasification materiel, the outer shroud gasifying agent siphunculus 8 that stretches, nozzle driving mechanism 9, switch rotational shell 10, by gasification materiel valve interface 11, central tube gasifying agent valve interface 12, outer shroud gasifying agent valve interface 13, switch central layer 14, the outer shroud gasifying agent stopped pipe 15 that stretches, by the flexible stopped pipe 16 of gasification materiel, the central tube gasifying agent stopped pipe 17 that stretches, wait to use as a servant nozzle 18, nozzle handling door 19, sealed nozzle 20, relief valve interface 21, pressure-regulating valve interface 22, fire door flange 23, transitional pressure can end 24.
The specific embodiment
The present invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the main body schematic three dimensional views that the online replacing crust of the device of nozzle body is cut open.
Fig. 2 is the online more changing device of a nozzle specific embodiment main body mechanism schematic diagram.
Fig. 3 is the A-A cutaway view of Fig. 2, represents that each telescoping tube flange and nozzle drive oil cylinder rear flange and feed switch shell of revolution link position figure.
Fig. 4 is the B-B cutaway view of Fig. 2, mutual alignment figure between expression transitional pressure jar and fire door eccentric position and two nozzles.
Fig. 5 is the C-C cutaway view of Fig. 2, and the expression clamping hoop type is installed and removed the schematic diagram that the structure clip footpath that is tightly connected inwardly pushes away clamping soon.
Fig. 6 is the left view of Fig. 2, is illustrated in labour nozzle and other member correlation and the location drawing.
Fig. 7 is the vertical view of Fig. 6, outer shroud gasifying agent on the expression feed switch central layer, central tube gasifying agent and by position and the transitional pressure jar and the fire door flange eccentric position figure of gasification materiel inlet adpting flange.
Fig. 8 is the right view of Fig. 2, and expression waits to use as a servant the location drawing of nozzle and other member correlation.
Fig. 9 is illustrated in the labour nozzle and is pulled out behind the fire door and waits to use as a servant the nozzle location drawing arranged side by side.
Figure 10 is the D-D cutaway view of Fig. 9, and the schematic diagram that unclamps is outwards removed in the fast structure clip footpath that is tightly connected of installing and removing of expression clamping hoop type; Represent that also the wood closure formula installs and removes syndeton fixture block footpath soon and outwards remove the schematic diagram that unclamps.
Figure 11 is partial structurtes figure, and expression wood closure formula is installed and removed the syndeton schematic diagram soon.
Figure 12 is the E-E cutaway view of Figure 11, and expression wood closure formula is installed and removed the schematic diagram that syndeton fixture block footpath inwardly pushes away clamping soon.
Figure 13 is partial structurtes figure, and the expression tooth is nibbled the sealed fast mounting or dismounting syndeton of clamping hoop type schematic diagram when clamping.
Figure 14 is the F-F cutaway view of Figure 13, the schematic diagram when pine is nibbled in the rotation of expression tooth-type clip low-angle.
Figure 15 is the G-G cutaway view of Figure 13, nibbles tight schematic diagram during the rotation of expression tooth-type clip low-angle
Figure 16 is partial structurtes figure, and expression transitional pressure jar moves to be finished nozzle and exchange schematic diagram.
Figure 17 is a Figure 16 left side cutaway view, be illustrated in the labour nozzle in stove and the pressurized tank sealing analyse and observe the location drawing.
Figure 18 is the H-H cutaway view of Figure 16, expression transitional pressure jar and sealing ring mutual alignment schematic diagram.
Figure 19 is partial structurtes figure, and after expression transitional pressure jar was moved, nozzle to be used as a servant was replaced retired nozzle, position view when also not pushing in the stove.
Figure 20 is after the L-L cutaway view of Figure 16 represents that the transitional pressure jar is moved, transitional pressure jar and sealing ring mutual alignment schematic diagram.
Figure 21 is partial structurtes figure, is that expression transitional pressure jar does not rotate or moves, and the end cap of transitional pressure jar rotates finishes the structural representation that new and old nozzle is exchanged.
Below in conjunction with the structure accompanying drawing that fast mounting or dismounting are tightly connected and pressurized tank rotates, its full-automatic procedure operation process is done brief description:
The first step is at first pressed the total button of programmable automatic control system, automatically open charging valve 22 with middle pressure nitrogen implanting transition pressurized tank 3, keep a jar internal pressure by direct-operated regulator and equal the furnace pressure value or introduce gas in the stove, close automatically then by the feed valve 11 of gasification materiel, central tube gasifying agent feed valve 12 and outer shroud gasifying agent feed valve 13 and suspend feed.
Second step started drive system, under the effect of driving mechanism external force,
The be tightly connected clip footpath of assembly 1a of the fast mounting or dismounting of a, clamping hoop type is outwards removed and is unclamped, as shown in figure 10 the D-D position of analysing and observe;
The be tightly connected fixture block footpath of assembly 1b of the fast mounting or dismounting of b, Wood formula is outwards removed and is unclamped, as shown in figure 10 the D-D position of analysing and observe;
C, tooth are nibbled the be tightly connected tooth of assembly 1c of the fast mounting or dismounting of clamping hoop type and are nibbled clip and rotate a low-angle and unclamp, as shown in figure 14 the F-F position of analysing and observe.
The 3rd step under nozzle driving mechanism 9 drives, under the condition of nozzle axial seal 20 sealings, will labour nozzle 5 extract outside the stove (nozzle after coming out of the stove renames as retired nozzle) and with wait to use as a servant nozzle 18 as shown in Figure 9 at same and column position.
The 4th step was under drive mechanism, with the end cap 24 of transitional pressure jar 3 or transitional pressure jar 3 as shown in figure 21, together with its contained retired nozzle 5 and wait to use as a servant nozzle 18, flexible siphunculus 6,7,8, the flexible rotational shell 10 and the shell body 4 of stopped pipe 15,16,17, nozzle axial actuating mechanism 9, switch carried carried rotates the displacement of finishing new and old nozzle 5,18 mutual alignments by departing from fire door center line certain size axis; Former after being rotated in place simultaneously wait to use as a servant nozzle 18 by the flexible stopped pipe 15 of gasification materiel, the flexible stopped pipe 16 of outer gasifying agent and the flexible stopped pipe 17 of center gasifying agent three remaining silent and also rotated to the position of 14 3 charging ports of switch central layer 11,12,13 on switch rotational shell 10, former flexible stopped pipe also just become can convey materials flexible siphunculus.
The 5th step was will intact waiting to use as a servant nozzle 18 by nozzle axial actuating mechanism 9 to move axially and push desired location in the stove (go into nozzle behind the stove rename as using as a servant nozzle 5).
The 6th step was under the effect of driving mechanism external force,
A, the be tightly connected clip footpath of assembly 1a of the fast mounting or dismounting of clamping hoop type is inwardly pushed away the hub that assembly is opened in clamping soon, the position shown in analysing and observe with the C-C of Fig. 5 as shown in Figure 2;
B, the be tightly connected fixture block footpath of assembly 1b of the fast mounting or dismounting of Wood formula is inwardly pushed away clamping and opens assembly soon, the position shown in analysing and observe with the E-E of Figure 12 as shown in Figure 2;
C, tooth is nibbled the be tightly connected tooth of assembly 1a of the fast mounting or dismounting of clamping hoop type nibble clip and rotate a low-angle and clamp the hub of opening assembly soon, the position shown in G-G as shown in figure 15 analyses and observe;
The 7th step leaned on control system to close the valve of pressurising gas import 22 automatically, opened the relief valve 21 of transitional pressure jar 3, made 3 pressure releases of transitional pressure jar to normal pressure.
The 8th step determined by hydrogen, carbon monoxide content in the detected pressures jar 3 that fast sealing of installing and removing the assembly 1 that is tightly connected had or not leakage, automatically open gasifying agent after qualified and used as a servant nozzle 5 feed by the feed switch to new by gasification materiel feed valve 11,12,13, new begins to make gas at labour nozzle 5, and gasification furnace recovers normal operation.
More than change nozzle program overall process and finish, program control system is out of service automatically.
By artificial will be the more retired nozzle of changing device remove, and install the operation sequence that new waiting use as a servant nozzle and carry out according to the following steps:
The first step is at first opened the handling door 19 of shell body 4 one sides;
Second step was pulled down the outer shroud gasifying agent and by the bottom adpting flange of the rotational shell 10 of flexible stopped pipe 15,16,17 of gasification materiel and feed switch, pull down the rear flange that drives nozzle axial actuating mechanism 9 oil cylinders again, the stopped pipe 15,16,17 that will all stretch contracts to the shortest;
The 3rd step was removed gland, filler and the gasket ring of retired nozzle shaft to black box 20;
The 4th step with the head shaft of retired nozzle outside proposing transitional pressure jar 3, again with retired nozzle outside nozzle handling door 19 shifts out the shell body 4 of changing device more;
The 5th step was installed intact new the waiting of performance by above inverse step uses as a servant nozzle 18;
Whether the 6th step leaked to transitional pressure jar 3 input gas checking nozzle axial seals 20 places;
After the 7th step passed examination, close inflation control valve 22, open the pressure relief valve 21 of transitional pressure jar 3 and let out most jar of internal pressure to normal pressure;
The 8th step was closed the nozzle handling door 19 on the shell body 4.
Finish the old nozzle of above manually-operated removal, the program of new nozzle is installed after, also carried out adequate preparation for nozzle exchange next time.
Claims (6)
1. the method for the online replacing of nozzle, it is characterized in that fire door flange (23) is provided with transitional pressure jar (3), transitional pressure jar (3) is provided with at labour nozzle (5) and nozzle to be used as a servant (18), the online replacing process of nozzle be new and old nozzle with stove in carry out in the transitional pressure jar (3) of no pressure reduction, open fast mounting or dismounting be tightly connected assembly (1) with former labour nozzle (5) extract outside the stove, nozzle to be used as a servant (18) displacement is pulled out outer former in labour nozzle (5) of stove, nozzle to be used as a servant (18) is pushed in the stove, closes the fast mounting or dismounting assembly (1) that is tightly connected and finishes the replacing of new and old nozzle.
Concrete steps:
A, open the self-contained pressure regulator door and charge into gas, the pressure in the transitional pressure jar (3) is equated with furnace pressure by self-contained pressure regulator;
B, close by the preceding valve of gasification materiel valve interface (11), central tube gasifying agent valve interface (12) and outer shroud gasifying agent valve interface (13) and suspend feed automatically;
C, open the fast mounting or dismounting assembly (1) that is tightly connected;
D, will axially extract stove outside (extract the back is retired nozzle stove outside) at labour nozzle (5) and nozzle to be used as a servant (18) side by side by nozzle driving mechanism (8);
E, under drive mechanism, transitional pressure jar (3) or transitional pressure can end (24) are rotated to an angle or move a certain distance, with stove in the transitional pressure jar (3) of no pressure reduction, finish nozzle to be used as a servant (18) displacement and be pulled out outer former of stove, make nozzle to be used as a servant (18) aim at fire door at labour nozzle (5);
F, nozzle to be used as a servant (18) is pushed in the stove, become at labour nozzle (5);
G, close the fast mounting or dismounting assembly (1) that is tightly connected;
H, open by the preceding valve of gasification materiel valve interface (11), central tube gasifying agent valve interface (12) and outer shroud gasifying agent valve interface (13) to newly at labour nozzle (5) feed and begin to make gas, online replacing nozzle auto-programming finishes, the retired nozzle of the moving dismounting of armrest is installed new nozzle to be used as a servant (18) then.
2. implement the more changing device of the online replacing method of nozzle as claimed in claim 1, comprise the center gasifying agent siphunculus (6) that stretches, by the flexible siphunculus (7) of gasification materiel, the outer shroud gasifying agent siphunculus (8) that stretches, nozzle driving mechanism (9), by the flexible stopped pipe (15) of gasification materiel, the outer shroud gasifying agent stopped pipe (16) that stretches, the center gasifying agent stopped pipe (17) that stretches, it is characterized in that, be provided with the fast mounting or dismounting assembly (1) that is tightly connected between transitional pressure jar (3) and the fire door flange (23), on transitional pressure jar (3), be provided with at labour nozzle (5) and nozzle to be used as a servant (18), describedly be provided with nozzle shaft to hydrodynamic reciprocating sealing assembly (20) using as a servant between nozzle (5) and nozzle to be used as a servant (18) and the transitional pressure jar (3).
3. according to the online more changing device of the described nozzle of claim 2, it is characterized in that transitional pressure jar (3) is provided with pressure-regulating valve interface (22) and relief valve interface (21).
4. according to the online more changing device of the described nozzle of claim 2, it is characterized in that the described fast mounting or dismounting assembly that is tightly connected is the clip assembly (1a) that is tightly connected.
5. according to the online more changing device of the described nozzle of claim 2, it is characterized in that the described fast mounting or dismounting assembly that is tightly connected is wood closure coupling assembling (1b).
6. according to the online more changing device of the described nozzle of claim 2, it is characterized in that the described fast mounting or dismounting assembly that is tightly connected is the tooth-type clip assembly (1c) that is tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101725258A CN101373066B (en) | 2008-10-29 | 2008-10-29 | Method and apparatus for exchanging nozzle on line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101725258A CN101373066B (en) | 2008-10-29 | 2008-10-29 | Method and apparatus for exchanging nozzle on line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101373066A CN101373066A (en) | 2009-02-25 |
| CN101373066B true CN101373066B (en) | 2010-06-30 |
Family
ID=40447363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101725258A Expired - Fee Related CN101373066B (en) | 2008-10-29 | 2008-10-29 | Method and apparatus for exchanging nozzle on line |
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| CN (1) | CN101373066B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106762845B (en) * | 2016-11-24 | 2019-09-13 | 沈阳透平机械股份有限公司 | The method that water filling seal and compression machine water injection system replace nozzle online |
| CN108655054A (en) * | 2017-03-28 | 2018-10-16 | 苏州宝时得电动工具有限公司 | Pressure washer liquid outlet switching device and pressure cleaning equipment |
| CN110686239A (en) * | 2019-10-18 | 2020-01-14 | 唐山欣旺富氧节能环保科技有限公司 | Method for replacing oxygen-enriched combustion-supporting structure of burner in continuous production of ceramic kiln |
| CN118391917B (en) * | 2024-06-27 | 2024-09-10 | 福建盛煌生物医药科技有限公司 | High-temperature furnace for chemical reaction |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0835706B1 (en) * | 1996-09-12 | 2000-01-26 | Shinagawa Refractories Co., Ltd. | Submerged nozzle change device |
| US6213357B1 (en) * | 1997-03-14 | 2001-04-10 | Vesuvius Group Sa | Nozzle exchanger |
| CN2564587Y (en) * | 2002-09-06 | 2003-08-06 | 哈尔滨天业环保有限公司 | Jet nozzle changing-over device |
| CN1646218A (en) * | 2002-04-18 | 2005-07-27 | 齐默尔股份公司 | Device for changing nozzles |
| CN1833477A (en) * | 2003-07-30 | 2006-09-13 | 阿森姆布里昂股份有限公司 | Component placement device, nozzle exchange device as well as method for the exchange of nozzles |
-
2008
- 2008-10-29 CN CN2008101725258A patent/CN101373066B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0835706B1 (en) * | 1996-09-12 | 2000-01-26 | Shinagawa Refractories Co., Ltd. | Submerged nozzle change device |
| US6213357B1 (en) * | 1997-03-14 | 2001-04-10 | Vesuvius Group Sa | Nozzle exchanger |
| CN1646218A (en) * | 2002-04-18 | 2005-07-27 | 齐默尔股份公司 | Device for changing nozzles |
| CN2564587Y (en) * | 2002-09-06 | 2003-08-06 | 哈尔滨天业环保有限公司 | Jet nozzle changing-over device |
| CN1833477A (en) * | 2003-07-30 | 2006-09-13 | 阿森姆布里昂股份有限公司 | Component placement device, nozzle exchange device as well as method for the exchange of nozzles |
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|---|---|
| CN101373066A (en) | 2009-02-25 |
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