CN101169248A - Cement residual heat boiler dust attachment prevention device and method - Google Patents
Cement residual heat boiler dust attachment prevention device and method Download PDFInfo
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- CN101169248A CN101169248A CNA2007101337629A CN200710133762A CN101169248A CN 101169248 A CN101169248 A CN 101169248A CN A2007101337629 A CNA2007101337629 A CN A2007101337629A CN 200710133762 A CN200710133762 A CN 200710133762A CN 101169248 A CN101169248 A CN 101169248A
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Abstract
The invention discloses a cement exhaust heat boiler dust attachment-preventing device. A shaking mechanism (11) is arranged at the lower part of a hanging type snake-shaped heat conductive pipe (4), the shaking mechanism (11) is connected with the curved part at the lower part of the hanging type snake-shaped heat conductive pipe (4), and the shaking hammer (10) out of an exhaust heat boiler body (16) through a connection shaft (5) below the hanging type snake-shaped heat conductive pipe (4). The invention also discloses a method of preventing the dust attachment adopted by the device, namely, at the vertical direction of the plane formed with the hanging type snake-shaped heat conductive pipe(4), shaking the bottom of the hanging type snake-shaped heat conductive pipe (4) so as to make the dust fall off. The invention enhances the effect of preventing dust attachment of the heat exchange pipe of the heat exchange system of the cement exhaust heat boiler, thereby improving the efficiency of high heat exchange and reducing the power consumption in discharging the exhaust gas. At the same time, the invention can provide convenience to transporting, mounting, checking and repairing the heat conductive pipe.
Description
Technical field
The invention belongs to industrial exhaust heat and utilize the technical field of boiler, specifically, the present invention relates to the anti-dust attachment device of a kind of cement residual heat boiler.The invention still further relates to the anti-dust adherence method that this device adopts.
Background technology
At present, in cement production process, waste gas by the kiln tail preheater discharge, grade is low, flow is big, the dust content height (〉=80mg/Nm3), in order to reclaim this low-grade waste gas residual heat, be provided with the PH waste heat boiler at the kiln tail, owing to contain a large amount of dust in the waste heat waste gas, when waste gas carries out heat exchange by boiler, to hinder heat transmission attached to the surface of boiler heat-transfer pipe, make the heat exchange property of boiler reduce significantly, and make the flow resistance of waste gas in boiler increase, thereby power consumption is increased.
Below in conjunction with accompanying drawing, the prior art relevant with the present invention done comparatively concrete introduction: (relate to prior art, known technology and background technology etc. in this specification, its implication is identical, all is used for contrasting with technical scheme of the present invention.)
Fig. 1 is the use configuration schematic diagram of waste heat boiler in exhaust emission system; Fig. 2～Fig. 5 is the structure of the related heat-exchange system of background technology of the present invention.
As shown in Figure 1,, reduce to about 200～250 ℃, be sent to post equipment through exhaust blower 3 by temperature after waste heat boiler 1 heat exchange from 330 ℃～350 ℃ the waste gas that floated preheater 2 is discharged, by after the further dedusting from chimney to airborne release.Dust from floated preheater 2 combustion gas, accounting for 95% is the following powders of 5 μ m, tack is very strong.For example, when supposing to be in after the boiler ventilation state that dust arrester is not activated, in a few hours, will accumulate in pipe in suspension type coiled pipe 4 length range on week.Because of the thermal conductivity of dust very poor, the heat transfer efficiency of heat-transfer pipe is sharply descended, not only cause boiler heat exchange design performance to reach, adhering to while because of the heat-transfer pipe dust, the flow area of boiler internal is narrowed down, gas flow rate increases, cause the boiler internal fluid impedance losses to increase, increased the load of rearmounted exhaust blower 3.
Attached to the dust on the heat-transfer pipe, take soot blower and rapping apparatus in the past and use ash disposal, its shortcoming is: soot blower is limited in scope at the textural dust of removing, simultaneously because of being the powdery flying attached to the dust on the heat-transfer pipe, cause rear portion heat-transfer area dust to adhere to once more during the soot blower action, or moment dust concentration rising takes place easily, the Dust Capacity that arrives rearmounted induced draught machine sharply increases, overload fault takes place, and normally moves and influence cement producing line; Therefore, as only removing the dust that adheres on the heat-transfer pipe,, can not remove dust fully because textural dust removing effects is limited with soot blower; The powder of removing in the part is accompanied by gas flow, once more on the heat-transfer area attached to the rear portion.In addition, the ejection medium that soot blower uses is compressed air or steam, if adopt the steam of waste heat boiler generation, can reduce the efficient of system.
At above-mentioned defective of blowing grey scheme, the solution of public use at present is to adopt the method for heat-transfer pipe being carried out vibratory impulse, as Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, for removing attached to the dust on the suspension type coiled pipe 4, the impact energy that imposes on beater 10, by jackshaft 9, be delivered on the connecting axle 5, connecting axle 5 is fixed by welding on the gripper shoe 6, send impulsive force by backing plate 8 to heat-transfer pipe one by one, make its vibration and dust is come off from suspension type coiled pipe 4, fall ash bucket 17 naturally, by the equipment of dust conveyor delivery to the downstream, above-mentioned structure has just formed the mechanical type rapping apparatus that the anti-dust of present public use adheres to.In addition, diplopore shape distance piece 7 is for the device that prevents that heat-transfer pipe from disorderly be provided with the pipe misarrangement because of air-flow, and it mainly acts on is that distance is constant between holding tube, and keeps not shaking in the course of the work.
Rapping apparatus in the above-mentioned known technology, the central authorities because of the above-below direction that is arranged on suspension type coiled pipe 4 draws in the portion that is connected with suspension type coiled pipe 4 need carry out integrated assembling with heating surface, can not assemble at the scene, need assemble in factory.Therefore, by connecting the rapping seat, heat exchanger fin is carried out integrated, this mode, nest of tubes must be integrated, from making factory to the erecting bed, from being transported to installation, all can be subjected to the influence of weight, size like this.And connecting portion is in heat-transfer pipe central authorities, and dust is also assembled easily, and the people also can't be near connecting portion, causes maintenance, spot check and patrols and examines very difficult even can't carry out, and this is the disadvantage of existing technology.
Summary of the invention
Problem to be solved by this invention provides a kind of cement residual heat boiler and prevents the dust attachment device, its objective is the effect that the anti-dust that improves cement residual heat boiler adheres to, thereby improves the efficient of heat exchange.
To achieve these goals, the technical scheme that the present invention takes is: this cement residual heat boiler that is provided is prevented the dust attachment device, be arranged in the heat-exchange system on the waste heat boiler, this system is provided with the snakelike heat-transfer pipe of suspension type in the waste heat boiler body of heater, this heat-transfer pipe be shaped as in a plane up and down reciprocatingly snakelike, partly be suspended on the waste heat boiler body of heater by its upper bend, it is used to pass in and out the two ends mouth of pipe of steam outside the waste heat boiler body of heater is stretched out on waste heat boiler top, on the snakelike heat-transfer pipe of suspension type, establish vibration body, the fundamental difference of the present invention and prior art is: described vibration body is located at the snakelike heat-transfer pipe of suspension type bottom, and vibration body is connected with the lower knuckle part of the snakelike heat-transfer pipe of suspension type and the beater outside the waste heat boiler body of heater by the connecting axle of the snakelike heat-transfer pipe of suspension type below.
The reciprocal formed plane of the snakelike heat-transfer pipe of described suspension type self, parallel with the exhaust gas flow direction in the waste heat boiler, the axis direction of described connecting axle is perpendicular to this plane.
Being configured to of described vibration body: the lower end of the lower knuckle of the snakelike heat-transfer pipe of suspension type part establish backing plate and with its for being fastenedly connected, the direction vertical with connecting axle is provided with the "T"-shaped rapping seat of pipe row, backing plate is fastening to be installed on the "T"-shaped rapping seat of pipe row, on connecting axle, establish a plurality of tabs and as a whole with connecting axle, tab stretches out from connecting axle side straight up, or stretch out from the two sides of connecting axle level, described pipe is arranged "T"-shaped rapping seat and is inserted the neutral gear that forms between the tab respectively.
Described pipe is arranged between "T"-shaped rapping seat and the tab, is provided with the gap on the axis direction of connecting axle.
Below described connecting axle, establish fixed axis, be fixed on the waste heat boiler body of heater, fixed axis is vertical with connecting axle, on fixed axis, establish a plurality of fixing metal cards and with its for being fastenedly connected, the fixing metal card stretches out from fixed axis, its position distribution is in the both sides of connecting axle.
The quantity of the snakelike heat-transfer pipe of described suspension type is more than one, and the setting height(from bottom) of the snakelike heat-transfer pipe of each suspension type is inequality, and the lower knuckle part of the snakelike heat-transfer pipe of each suspension type staggers mutually on short transverse.
The middle part of the snakelike heat-transfer pipe of described each suspension type is vertical straight tube, the formed plane of the snakelike heat-transfer pipe of each suspension type self is parallel to each other, each plane is separated by a distance mutually, along on the section of the horizontal direction of the straight-tube portion of the snakelike heat-transfer pipe of suspension type, the straight tube of the snakelike heat-transfer pipe of each suspension type staggers mutually and evenly distributes.
In order to realize the purpose identical with technique scheme, the invention allows for the anti-dust adherence method that the anti-dust attachment device of described cement residual heat boiler is adopted, its technical scheme is: adopt manual method or mechanical means, described beater is applied impulsive force, and pass through vibration body, the snakelike heat-transfer pipe of suspension type is impacted and produce vibration, thereby the dust that sticks on the snakelike heat-transfer pipe of suspension type is vibrated and come off, and drop in the ash bucket of waste heat boiler body of heater bottom, described anti-dust adherence method is by the impact shock that bottom carry out horizontal direction of described vibration body to the lower knuckle part of the snakelike heat-transfer pipe of described suspension type.
The anti-dust adherence method that the anti-dust attachment device of described cement residual heat boiler is adopted, to the lower knuckle of the snakelike heat-transfer pipe of described suspension type part carry out impact shock bottom, the reciprocal formed plane of the direction of its impulsive force and the snakelike heat-transfer pipe of each suspension type self is vertical.
The present invention adopts technique scheme, do not use soot blower, but adopt novel rapping apparatus, the effect that the anti-dust of the heat exchanger tube of the heat-exchange system of raising cement residual heat boiler adheres to, thereby improve the efficient of heat exchange, be reduced in the power consumption in the toxic emission.Simultaneously can carry out heat-transfer pipe transportation, installation, inspection and maintenance easily again.
Description of drawings
Below expressed content of each width of cloth accompanying drawing of this specification and the mark among the figure are briefly explained:
Fig. 1 is the use configuration schematic diagram of waste heat boiler in exhaust emission system involved in the present invention;
Fig. 2 prevents the front view of dust attachment device for related waste heat boiler in the background technology;
Fig. 3 is the lateral plan of structure shown in Fig. 2;
Fig. 4 is the partial view that the horizontal profile structure of the significant points among Fig. 2 amplifies;
Fig. 5 is the partial view that amplify in the front of the significant points among Fig. 2;
Fig. 6 is the front view that waste heat boiler involved in the present invention is prevented the dust attachment device;
Fig. 7 is the lateral plan of the structure shown in Fig. 6;
Fig. 8 is the partial view that amplify in the front of the significant points of structure shown in Fig. 6;
Fig. 9 is the lateral plan of the structure shown in Fig. 8;
Figure 10 is the front view of the significant points of the 3rd embodiment of the present invention;
Figure 11 is the lateral plan of the structure shown in Figure 10;
Figure 12 is the front view of the significant points of second embodiment of the present invention
Figure 13 is the lateral plan of the structure shown in Figure 12;
Figure 14 is the schematic diagram of heat-transfer pipe arrangement mode in the anti-dust attachment device involved in the present invention, exhaust gas flow direction, impulsive force direction;
Figure 15 is the curve map of the mechanical characteristic of anti-dust attachment device involved in the present invention.
Be labeled as among the figure: 1, waste heat boiler, 2, floated preheater, 3, exhaust blower, 4, the snakelike heat-transfer pipe of suspension type, 5, connecting axle, 6, gripper shoe, 7, diplopore shape distance piece, 8, backing plate, 9, jackshaft, 10, beater, 11, vibration body, 12, the "T"-shaped rapping seat of pipe row, 13, tab, 14, fixed axis, 15, the fixing metal card, 16, waste heat boiler body of heater, 17, ash bucket.
The specific embodiment
With reference to the accompanying drawings, by description to embodiment, to mutual alignment and annexation, the effect of each several part and the implementation method that operation principle, manufacturing process and anti-dust adhere to etc. between the shape of the specific embodiment of the present invention such as related each member, structure, the each several part, be described in further detail, inventive concept of the present invention, technical scheme had more complete, accurate and deep understanding to help those skilled in the art.
The invention belongs to the cement residual heat boiler dust and adhere to anti-locking apparatus.In the background technology part of this specification, the general structure of the heat-exchange system of cement residual heat boiler is made detailed introduction.Described waste heat boiler 1 is connected with cement producing line by floated preheater 2, is connected with post equipment by exhaust blower 3.The present invention prevents that to the snakelike heat-transfer pipe 4 of suspension type wherein the structure of the outer dust attachment device of its tube wall from making and have novelty and creationary improvement, and has proposed to have accordingly the technical scheme of practicality.
Below be the prior art of institute of the present invention foundation: this cement residual heat boiler that is provided is prevented the dust attachment device, be arranged in the heat-exchange system on the waste heat boiler 1, this system is provided with the snakelike heat-transfer pipe 4 of suspension type in waste heat boiler body of heater 16, this heat-transfer pipe be shaped as in a plane up and down reciprocatingly snakelike, the several calandrias that mediate are vertical direction, the upper and lower is crooked shape, partly be suspended on the waste heat boiler body of heater 16 by its upper bend, its two ends mouth of pipe that is used to pass in and out steam stretches out outside the waste heat boiler body of heater 16 from waste heat boiler 1 top, establishes vibration body 11 on the snakelike heat-transfer pipe 4 of suspension type.
In order to overcome defective at the existing public technology described in this specification background technology, the effect that the anti-dust of realization raising cement residual heat boiler adheres to, thereby improve the purpose of the efficient of heat exchange, the technical scheme that the present invention takes is: as Fig. 6, shown in Figure 7, the improvement that the present invention makes, the fundamental difference that is itself and prior art is: described vibration body 11 is located at the snakelike heat-transfer pipe of suspension type 4 bottoms, and vibration body 11 is connected with the lower knuckle part and waste heat boiler body of heater 16 beater 10 outward of the snakelike heat-transfer pipe 4 of suspension type by the connecting axle 5 of the snakelike heat-transfer pipe of suspension type 4 belows.
By technique scheme, provide specific embodiments of the invention below.
Embodiment one:
The desk-top assortment figure of Fig. 6～Figure 9 shows that pipe row.Be that the snakelike heat-transfer pipe 4 of each suspension type is in level and all not staggered situation of height.Wherein, the arrow among Fig. 9 is represented the direction of rapping power.
Technique scheme of the present invention is on the snakelike heat-transfer pipe 4 lower end bend pipe pipe rows of suspension type, with the vertical Force transmission parts that vibration body 11 is set in the plane of the snakelike heat-transfer pipe 4 of suspension type, it is connecting axle 5, by imposing impulsive force to connecting axle 5, the snakelike heat-transfer pipe 4 of its suspension type is vibrated, can shake falls to adhering to be collected at dust on snakelike heat-transfer pipe 4 outer tube walls of suspension type, has played the effect that prevents that dust from adhering on the cement residual heat boiler heat exchanger tube.Both do not caused flying upward again of dust, do not caused harmful effect yet post equipment.Owing to do not use soot blower, will reduce the costs such as traffic expense, cost of erection and running expenditure on power of equipment simultaneously effectively.
As shown in figure 15, when being snakelike heat-transfer pipe 4 different parts of bump suspension type, vibration body 11 is induced the relation curve of snakelike heat-transfer pipe 4 acceleration of motion of suspension type.Top O point, the hanging position of the snakelike heat-transfer pipe 4 of expression suspension type; The intermediate lateral dotted arrow, rapping position and direction in the expression prior art; The lower, transverse solid arrow, rapping position and direction that the expression technical solution of the present invention is taked.Show that according to theory analysis of the present invention and experiment under identical impact force action, act on the snakelike heat-transfer pipe of suspension type 4 middle parts and act on its lower end, its effect is distinct.Act on the impulse force (the curve w among the figure shown in the solid line) of lower end, (curve among the figure shown in the dotted line v) makes the acceleration of heat-transfer pipe generation bigger, the better effects if of removing dust than the impulse force that acts on the pipe middle part.
Be that the technical scheme that the present invention proposes is applied to the useless example of daring the implementation result of energy recovery of 5000 tons of floated preheaters of clinker production line daily output below:
In actual applications, being shaped as of waste heat boiler 1: long 13.70 meters, wide 7.05 meters, interior dark 17.10 meters, establish 4 liang of groups of the snakelike heat-transfer pipe of large suspension-type in the waste heat boiler 1 side by side.This boiler will enter the mouth 325 ℃ of EGTs through the abundant heat exchange of heating surface after, the boiler export temperature is reduced to about 200 ℃, reclaiming flow in heat-transfer pipe is that 32.68t/h, pressure are 7.89kg/cm
2, temperature is 305 ℃ superheated steam.
On the waste heat boiler body of heater 16 of this waste heat boiler 1, be provided with dust provided by the present invention and remove 2 in device, need not to be provided with soot blower, operation can not produce the dust packing phenomenon, on serviceability more than 10 months, realize purpose of the present invention, obtained the beneficial effect of anticipation.
The reciprocal formed plane of the snakelike heat-transfer pipe of described suspension type 4 self, parallel with the exhaust gas flow direction in the waste heat boiler 1, the axis direction of described connecting axle 5 is perpendicular to this plane.By shown in Figure 14, A is an exhaust gas flow direction among the figure; R is the impulse force direction of beater; S is the section shape that dust gathers on snakelike heat-transfer pipe 4 outer walls of suspension type.The waste exhaust gases that flows in the heat-transfer area is not provided with connecting axle 5, gripper shoe 6 and the dividing plate of soot blower playpipe, vibration body 11 in its path internal cause, so can realize uniform flow regime.Like this dust that air-flow produces in heat-transfer area as shown in figure 14, it is the elliptical shape shown in the S that dust is gathered into symbol along airflow direction at the snakelike heat-transfer pipe of suspension type 4 places, and along the two-way growth of gas flow direction A.
The impulse force R of the beater of bump connecting axle 5 is a vertical direction for exhaust gas flow direction A, therefore, makes the moment of sedimentating dust S on the heat-transfer area that shakes become big, can reach dust removing effects well.
Being configured to of described vibration body 11: the lower end of the lower knuckle of the snakelike heat-transfer pipe 4 of suspension type part establish backing plate 8 and with its for being fastenedly connected, the direction vertical with connecting axle 5 is provided with the "T"-shaped rapping seat 12 of pipe row, backing plate 8 fastening being installed on the "T"-shaped rapping seat 12 of pipe row, on connecting axle 5, establish a plurality of tabs 13 and as a whole with connecting axle 5, tab 13 stretches out from connecting axle 5 side straight up, as Fig. 8, shown in Figure 9; Or stretch out from the two sides of connecting axle 5 levels, as Figure 10～shown in Figure 13, described pipe is arranged "T"-shaped rapping seat 12 and is inserted the neutral gear that forms between the tab 13 respectively.
The bent portion lower end of the snakelike heat-transfer pipe 4 of suspension type vertically is provided with the "T"-shaped rapping seat 12 of pipe row by backing plate 8, insert above-mentioned said pipe respectively 13 of the tabs of closely ining succession and arrange "T"-shaped rapping seat 12, and the scene is fixed on the connecting axle 5.
Said structure has made things convenient for the scene of waste heat boiler 1 to install, and need not install whole Transporting again in factory.Make that like this installation, debugging and the maintenance of boiler are more convenient and quick.
Described pipe is arranged between "T"-shaped rapping seat 12 and the tab 13, is provided with the gap on the axis direction of connecting axle 5.The rapping power that the setting in gap is transmitted connecting axle 5 has a bump to the "T"-shaped rapping seat 12 of pipe row, produces bigger impulsive force.
In order to prevent that the snakelike heat-transfer pipe 4 of suspension type disorderly is provided with fixed axis 14 and fixing card 15 because of air-flow makes the pipe misarrangement.Its concrete structure is: below described connecting axle 5, if fixed axis 14, be fixed on the waste heat boiler body of heater 16, fixed axis 14 is vertical with connecting axle 5, on fixed axis 14, establish a plurality of fixing metal cards 15 and with its for being fastenedly connected, fixing metal card 15 stretches out from fixed axis 14, and its position distribution is in the both sides of connecting axle 5.Play protective effect by fixing metal card 15 to connecting axle 5.
Embodiment two:
The quantity of the snakelike heat-transfer pipe 4 of described suspension type is more than one, and the setting height(from bottom) of the snakelike heat-transfer pipe 4 of each suspension type is inequality, and the lower knuckle part of the snakelike heat-transfer pipe 4 of each suspension type staggers mutually on short transverse.Each heat-transfer pipe bent portion lower end position height is designed to as Figure 12 and shown in Figure 13, compares when the same,, can prevent extremely effectively that the dust arch formation from producing as Figure 10 and shown in Figure 11 with bent portion lower end height.In Figure 12 and Figure 13, represent the highly different snakelike heat-transfer pipes 4 of two suspension types with 4a and 4b; When the snakelike heat-transfer pipe 4 of suspension type during more than two, its structure same way as is analogized.Arrow among Figure 11 and Figure 13 is represented the direction of rapping power.Other structure is identical with embodiment one.
Embodiment three:
In order to reduce dust bonding better, the technical scheme below present embodiment has adopted:
Embodiment three is stagger arrangement formula figure, sees Figure 10～Figure 14.The middle part of the snakelike heat-transfer pipe 4 of described each suspension type is vertical straight tube, the formed plane of the snakelike heat-transfer pipe of each suspension type 4 self is parallel to each other, each plane is separated by a distance mutually, on the section of the horizontal direction of the straight-tube portion of snakelike heat-transfer pipe 4 along suspension type, the straight tube of the snakelike heat-transfer pipe 4 of each suspension type staggers mutually and evenly distributes.In Figure 12,4a and 4b are illustrated in the distribution situation of two snakelike heat-transfer pipes 4 of suspension type that stagger on the boiler face direction, when the snakelike heat-transfer pipe 4 of suspension type during more than two, by that analogy.In Figure 14, P
2Represent two distances between the snakelike heat-transfer pipe of suspension type 4 planes; P
1The distance that the straight-tube portion of the snakelike heat-transfer pipe 4 of expression suspension type staggers on the front view direction.Above structure can prevent extremely effectively that equally the dust arch formation from producing.Other structure is identical with embodiment one.
In order to realize the purpose identical with technique scheme, the invention allows for the anti-dust adherence method that the anti-dust attachment device of described cement residual heat boiler is adopted, its technical scheme is: adopt manual method or mechanical means, described beater 10 is applied impulsive force, and by vibration body 11, the snakelike heat-transfer pipe 4 of suspension type is impacted and produce vibration, thereby the dust that sticks on the snakelike heat-transfer pipe 4 of suspension type is vibrated and come off, and drop in the ash bucket 17 of waste heat boiler body of heater 16 bottoms, described anti-dust adherence method is the impact shock that carries out horizontal direction bottom by the lower knuckle part of 11 pairs of snakelike heat-transfer pipes 4 of described suspension type of described vibration body.As previously mentioned, this method makes the snakelike heat-transfer pipe 4 of suspension type produce bigger acceleration, the better effects if of the dust that shakes on the whole.
The anti-dust adherence method that the anti-dust attachment device of described cement residual heat boiler is adopted, to the lower knuckle of the snakelike heat-transfer pipe 4 of described suspension type part carry out impact shock bottom, the reciprocal formed plane of the snakelike heat-transfer pipe of the direction of its impulsive force and each suspension type 4 self is vertical.The direction of impulsive force is the weakest direction of bonding force that dust gathers, and is the direction of impact moment maximum simultaneously, the easier dust releasing that makes.
In conjunction with the accompanying drawings the present invention has been carried out exemplary description above; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or design of the present invention and technical scheme are directly applied to other occasion without improving, all within protection scope of the present invention.
Claims (9)
1. a cement residual heat boiler is prevented the dust attachment device, be arranged in the heat-exchange system on the waste heat boiler (1), this system is provided with the snakelike heat-transfer pipe of suspension type (4) in waste heat boiler body of heater (16), this heat-transfer pipe be shaped as in a plane up and down reciprocatingly snakelike, partly be suspended on the waste heat boiler body of heater (16) by its upper bend, on the snakelike heat-transfer pipe of suspension type (4), establish vibration body (11), it is characterized in that: described vibration body (11) is located at the snakelike heat-transfer pipe of suspension type (4) bottom, and vibration body (11) is connected with the lower knuckle part of the snakelike heat-transfer pipe of suspension type (4) and the beater (10) outside the waste heat boiler body of heater (16) by the connecting axle (5) of the snakelike heat-transfer pipe of suspension type (4) below.
2. according to the anti-dust attachment device of the described cement residual heat boiler of claim 1, it is characterized in that: the reciprocal formed plane of the snakelike heat-transfer pipe of described suspension type (4) self, parallel with the exhaust gas flow direction in the waste heat boiler (1), the axis direction of described connecting axle (5) is perpendicular to this plane.
3. according to the anti-dust attachment device of the described cement residual heat boiler of claim 1, it is characterized in that: being configured to of described vibration body (11): the lower end of the lower knuckle part of the snakelike heat-transfer pipe of suspension type (4) establish backing plate (8) and with its for being fastenedly connected, the direction vertical with connecting axle (5) is provided with pipe row "T"-shaped rapping seat (12), backing plate (8) is fastening to be installed on the pipe "T"-shaped rapping seat of row (12), on connecting axle (5), establish a plurality of tabs (13) and as a whole with connecting axle (5), tab (13) stretches out from connecting axle (5) side straight up, or stretch out from the two sides of connecting axle (5) level, described pipe is arranged "T"-shaped rapping seat (12) and is inserted the neutral gear that forms between the tab (13) respectively.
4. according to the anti-dust attachment device of the described cement residual heat boiler of claim 3, it is characterized in that: described pipe is arranged between "T"-shaped rapping seat (12) and the tab (13), is provided with the gap on the axis direction of connecting axle (5).
5. according to the anti-dust attachment device of the described cement residual heat boiler of claim 1, it is characterized in that: below in described connecting axle (5), if fixed axis (14), be fixed on the waste heat boiler body of heater (16), fixed axis (14) is vertical with connecting axle (5), on fixed axis (14), establish a plurality of fixing metal cards (15) and with its for being fastenedly connected, fixing metal card (15) stretches out from fixed axis (14), its position distribution is in the both sides of connecting axle (5).
6. according to the anti-dust attachment device of the described cement residual heat boiler of claim 1, it is characterized in that: the quantity of the snakelike heat-transfer pipe of described suspension type (4) is more than one, and the setting height(from bottom) of the snakelike heat-transfer pipe of each suspension type (4) is inequality, and the lower knuckle part of the snakelike heat-transfer pipe of each suspension type (4) staggers mutually on short transverse.
7. according to the anti-dust attachment device of the described cement residual heat boiler of claim 1, it is characterized in that: the middle part of the snakelike heat-transfer pipe of described each suspension type (4) is vertical straight tube, the formed plane of the snakelike heat-transfer pipe of each suspension type (4) self is parallel to each other, each plane is separated by a distance mutually, on the section of the horizontal direction of the straight-tube portion of snakelike heat-transfer pipe (4) along suspension type, the straight tube of the snakelike heat-transfer pipe of each suspension type (4) staggers mutually and evenly distributes.
8. prevent the anti-dust adherence method that the dust attachment device is adopted according to any cement residual heat boiler described in the claim 1 to 7, be to adopt manual method or mechanical means, described beater (10) is applied impulsive force, and by vibration body (11), the snakelike heat-transfer pipe of suspension type (4) is impacted and produce vibration, thereby the dust that sticks on the snakelike heat-transfer pipe of suspension type (4) is vibrated and come off, and drop in the ash bucket (17) of waste heat boiler body of heater (16) bottom, it is characterized in that: described anti-dust adherence method is by the impact shock that bottom carry out horizontal direction of described vibration body (11) to the lower knuckle part of the snakelike heat-transfer pipe of described suspension type (4).
9. prevent the anti-dust adherence method that the dust attachment device is adopted according to the described cement residual heat boiler of claim 8, it is characterized in that: to the lower knuckle of the snakelike heat-transfer pipe of described suspension type (4) part carry out impact shock bottom, the reciprocal formed plane of the direction of its impulsive force and the snakelike heat-transfer pipe of each suspension type (4) self is vertical.
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| CNA2007101337629A CN101169248A (en) | 2007-09-29 | 2007-09-29 | Cement residual heat boiler dust attachment prevention device and method |
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| CN102012168A (en) * | 2010-11-10 | 2011-04-13 | 白银有色集团股份有限公司 | Exhaust heat boiler and method for cleaning ash of exhaust heat boiler by using steam |
| CN102644930A (en) * | 2012-05-23 | 2012-08-22 | 浙江富春江环保热电股份有限公司 | Deashing device and method for waste incineration boiler and biomass boiler |
| CN106287766A (en) * | 2016-08-02 | 2017-01-04 | 亿川科技(成都)有限责任公司 | A kind of online scavenging system of flue black dirt and technique thereof |
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2007
- 2007-09-29 CN CNA2007101337629A patent/CN101169248A/en active Pending
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| CN102644930A (en) * | 2012-05-23 | 2012-08-22 | 浙江富春江环保热电股份有限公司 | Deashing device and method for waste incineration boiler and biomass boiler |
| CN106287766A (en) * | 2016-08-02 | 2017-01-04 | 亿川科技(成都)有限责任公司 | A kind of online scavenging system of flue black dirt and technique thereof |
| CN108731522A (en) * | 2018-06-12 | 2018-11-02 | 张顺 | A kind of pharmaceutical purpose spiral heat exchanger |
| CN112122327A (en) * | 2020-08-20 | 2020-12-25 | 杨晓秋 | Prosthetic devices based on soil thermal desorption repair technique |
| CN112122327B (en) * | 2020-08-20 | 2022-02-22 | 广州市番禺环境工程有限公司 | Prosthetic devices based on soil thermal desorption repair technique |
| CN113908678A (en) * | 2021-12-15 | 2022-01-11 | 山东东源新材料科技有限公司 | Cement pit flue gas denitration device and using method thereof |
| CN113908678B (en) * | 2021-12-15 | 2022-02-25 | 山东东源新材料科技有限公司 | Cement pit flue gas denitration device and using method thereof |
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