CN205821240U - Fume and dust structure is led for the little burner of coke side - Google Patents
Fume and dust structure is led for the little burner of coke side Download PDFInfo
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- CN205821240U CN205821240U CN201620402684.2U CN201620402684U CN205821240U CN 205821240 U CN205821240 U CN 205821240U CN 201620402684 U CN201620402684 U CN 201620402684U CN 205821240 U CN205821240 U CN 205821240U
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- flue gas
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Abstract
This utility model discloses leads fume and dust structure for the little burner of coke side, furnace roof baseline is provided with support seat, blower fan and cleaner unit are fixed on described support seat, also include main trachea and multiple gas skirt, gas skirt covers directly over outside two little burners of adjacent coke side, main trachea one end connects with inlet scoop, the cleaner unit air inlet of blower fan respectively, and the main trachea other end is connected with multiple gas skirts by bronchus;Gas skirt is made up of interconnective collection section and refraction section, and collection section offers helicla flute along its axis direction wall within it, and refraction section is coniform and its cone tip portion connects with bronchial end.During work, loss flue gas out in burner little on furnace roof baseline is carried out centralized collection by multiple gas skirts the most simultaneously, and the flue gas collected enters in main trachea by bronchus, enter under the traction of blower fan wind-force in dirt catcher, to carry out the process of flue gas, stop the loss of furnace roof flue gas, it is to avoid pollute environment.
Description
Technical field
This utility model relates to Environmental Protection Technology in Coking Industry field, specifically refers to lead fume and dust structure for the little burner of coke side.
Background technology
Coking is that multi-source pollutes industry, and flue dust is mainly to pollute emissions in coking production process.Modern cell-type coke oven one
As be equipped with vehicular or ground standing posture is coaling and coke discharging and dedusting system, wherein the application of ground standing posture dust pelletizing system is the widest
General.Ground standing posture coke discharging and dedusting system utilizes coupling fluid-structure or VFC blower fan to block by being arranged on mainly for coke side flue dust
Collecting hood on burnt car by its overwhelming majority flue dust collecting and purifies through coke discharging and dedusting device.But still there is part coke side little furnace head position
Flue dust loss and deteriorate working environment.The little burner of coke side discharges of the coke that flue dust derives from blow-on door, red Jiao initially enters grid, continue coke pushing and
Closing 4 stages of fire door, it is the most prominent that the reddest Jiao initially enters grid stage flue dust.
Because of the front of the single little burner of coke side, firedoor frame and furnace stay to coke guide orbit centre away from there are differences, for preventing
Leading burnt grid and cover bucket type dust gathering arrester scratching furnace stay, its nearly body of heater end and coke side little burner front spacing are relatively big, thus are that flue dust is from little
At burner, loss leaves structural defect.Flue dust temperature of the discharging of the coke height, transient heat buoyancy and dirt are large-minded, but coke guide grid of coke guide
Bucket type dust gathering arrester area ratio great disparity is covered with both coke quenching cart compartment tops in top, and ground dedusting blower fan suction is mainly allocated to coke quenching cart
Compartment top covers bucket type dust gathering arrester, adds that leading burnt grid covers and there is interstice coverage between bucket type dust gathering arrester and little burner, thus cause part flue dust from
Loss at little burner.In order to improve its dust removing effects, some coal chemical enterprises are taked to cover the nearly body of heater of bucket type dust gathering arrester leading Jiao Shanding
Perforate the auxiliary dust suction of additional vehicle-mounted fan on the side plate of side, Some Enterprises is taked to adjust earth station's dedusting fan fortune the most at a high speed
Turn time parameter and initially enter grid stage suction with red Jiao of pre-increasing;But it is the most undesirable to produce effects, but also adds power consumption.
Utility model content
The purpose of this utility model is to provide leads fume and dust structure for the little burner of coke side, stops the ease of furnace roof flue gas
Dissipate, it is to avoid pollute environment.
The purpose of this utility model is achieved through the following technical solutions:
Leading fume and dust structure for the little burner of coke side, be provided with support seat on furnace roof baseline, blower fan is solid with cleaner unit
Being scheduled on described support seat, also include main trachea, tedge, temporary cavity and multiple gas skirt, described gas skirt covers two
Directly over outside the individual little burner of adjacent coke side, described main trachea one end connects with the inlet scoop of blower fan, temporary cavity respectively, main
The trachea other end is connected with multiple described gas skirts by bronchus, and tedge one end connects with cleaner unit air inlet, tedge
The other end connects with temporary cavity;Described gas skirt is made up of interconnective collection section and refraction section, and described collection section is cylinder
Shape and offer helicla flute along its axis direction wall within it, described refraction section be coniform and its cone tip portion with described
Trachea end connects;Described cleaner unit includes casing, is provided with clean air cavity and the filter chamber of mutually isolation at described box house,
Be respectively equipped with air inlet pipe and escape pipe on the two side of casing, and described clean air cavity connect with escape pipe, described filter chamber with enter
Trachea connects, and is provided with air jet pipe in described clean air cavity, described air jet pipe one end run through clean air cavity extend to casing outer and
This end is provided with pulse valve, is provided with multiple filter bag in described filter chamber, and one end of described filter bag is with described clean air cavity even
Logical, described air jet pipe has multiple and filter bag nozzle one to one;Also include resistant to elevated temperatures organ cover and end, one end hinge
Connecing the pre-dirt plate being arranged on filter chamber top, the other end at described pre-dirt plate is provided with along airintake direction inclination by torsion spring
Deflector, described deflector end extends bottom described filter chamber, and is fixed with on the pre-dirt backboard side to air inlet pipe
Balancing weight, described organ cover one end is connected with the top inner wall of filter chamber cavity, and the organ cover other end is with described balancing weight dorsad
The outer wall of air inlet pipe side connects.
During utility model works, by multiple gas skirts the most simultaneously to loss cigarette out in burner little on furnace roof baseline
Gas carries out centralized collection, and the flue gas collected enters in main trachea by bronchus, enters under the traction of blower fan wind-force
In temporary cavity, when the flue gas in temporary cavity is moved to dirt catcher by tedge again, can be entered by temporary cavity flue gas
Row temporarily storage, convenient cleaner unit carry out debugging or to smoke filtration after carry out replying state time sustainable to little burner
In flue gas be collected, it is to avoid flue gas in gas skirt is piled up, and to complete the process of flue gas, stops the loss of furnace roof flue gas,
Avoid polluting environment.Wherein, flue gas forms turbulent flow when moving in bronchus and main trachea so that flue gas is along trachea radially
Having component velocity, i.e. flue gas on direction and inner surface of trachea can be formed certain impact, similarly flow of flue gas can be made by inner surface of trachea
Become certain obstruction;Further, it is formed by stacking by the vortex of various different scales from physically saying turbulent flow to be regarded as
Flowing, the size of these whirlpools trachea axis direction distribution be random, the vortex of large scale mainly has the limit of flowing
Boundary's condition is certainly sized, can be comparable with the size in flow field, is the reason causing low frequency pulsating;The vortex master of little yardstick
If toughness power is determined, its size may only have the one thousandth magnitude of flow field yardstick, is the reason causing dither;
Form microvortex rotation after the Vortex Breakdown of large scale, after the Vortex Breakdown of smaller scale, form the vortex of less yardstick, thus
In full-blown turbulent region, the yardstick of watery nasal discharge vortex can change in comparatively wide scope continuously, the whirlpool of large scale
Rotation is constantly obtained energy from main flow and is set up by the interaction energy between vortex and transmit to little vortex, finally due to fluid
The vortex constantly disappearance mechanical energy acting on little yardstick of viscosity just converts or is referred to as the heat energy for fluid that dissipates, and i.e. causes main trachea
Temperature drastically raise, main endotracheal pressure increases, and correspondingly, the workload of blower fan also sharply increases.And this practicality is new
In type, gas skirt is made up of collection section and refraction section, and has the helicla flute being distributed along its axis direction on the inwall of collection section,
Make entering the flue gas before main trachea and gradually form in gas skirt the eddy current of large scale, and non-turbulent flow, i.e. flue gas is around gas
The axis of pipe is rotationally advancing, particularly in being perpendicular to horizontal main duct portion, and the energy that the flue gas being rotationally advancing is consumed
The energy that amount is consumed when rising less than flue gas under normal circumstances, and the mechanical energy of fluid to be converted to the amount of heat energy less, main gas
The variations in temperature of pipe is inconspicuous, and then reduces blower fan and the consumption of electric power.
And the best for the dust removing effects of cleaner in prior art, this utility model is arranged in the filter chamber of flue gas
Having pre-dirt plate, i.e. flue gas is after air inlet pipe enters in filter chamber, under the effect of pre-dirt plate, due to effect of inertia, air-flow
In crude particle dust fall directly into the bottom (i.e. the bottom of casing) of filter chamber, and then play the effect of pre-dirt;Air-flow continues
Moving up, by filter bag, by dust catching at the outer surface of filter bag, purified gas rose in then entering filter bag
In the clean air cavity on filter chamber top, after converging, this purified gas is directly discharged by escape pipe, and when filter bag external dust
When gathering certain thickness, pulse valve action so that compressed air flows in air jet pipe, and corresponding towards it by multiple nozzles
Filter bag in spray, high velocity air drive surrounding air in nozzle sprays into each filter bag so that be captured on filter bag outer wall
Dust releasing, is finally collected into the bottom of filter chamber, and after the dust bottom filter chamber is collected, pulse valve cuts out,
Filter bag returns back to original filtration condition;By the secondary of dust in flue gas is collected so that finally by discharge in escape pipe
Gas meets industrial standard, reaches the purpose being badly in need of in the industry improving dust removing effects.In prior art, coke furnace carbonization chamber is being coaling
During the flue gas that produces when processing, the design path of intake stack is shorter, and in flue gas, the Mars of residual can be directly entered
Filter bag causes in cleaner unit damage, and inventor carries out further investigation and finds, the flue gas flow velocity ten when entering in air inlet pipe
Dividing instability, in high temperature environments, the Mars flowed out with flue gas cannot consume when flue gas flow rate is too fast in moving process
The amount of heat himself carried, and at flue gas flow rate relatively time slack, Mars can in moving process automatic distinguishing, i.e. cannot be to filter
Bag causes damage;Meanwhile, the pre-dirt plate being fixedly installed in filter chamber can hinder the normal pass of flue gas, and therefore, this practicality is new
Dust in flue gas can not only be filtered for the first time by type at the pre-dirt plate of the hinged setting of import department of air inlet pipe, moreover it is possible to air inlet
Air-flow in pipe intercepts;When the flow velocity of flue gas stream is too fast, pre-dirt plate can be formed impact so that pre-dirt plate is hinged around it
Point and the flow direction along flue gas swing, and utilize the balancing weight in pre-dirt back to increase the gravity of pre-dirt plate, prevent pre-dirt
Amplitude of fluctuation excessive, and once reduce the impact dynamics of pre-dirt plate when flue gas, pre-dirt plate will occur reverse swing,
To control the size of the passage formed between air inlet pipe and pre-dirt plate, and then control flow velocity (the i.e. profit that flue gas enters in filter chamber
Entered after in big passage by passage aisle with certain flow velocity with the gas in unit volume, the principle that its speed can reduce);I.e. when
Flue gas enters in exhaustor with speed faster, under the effect of pre-dirt plate so that flue gas all enters with relatively stable speed
In filter chamber, the Mars simultaneously entered in the lump with flue gas has enough displacements makes it be distributed by heat that self is entrained,
Mars is avoided directly to contact with filter bag and cause it impaired.
Wherein, spiral nozzle inflate in filter bag be allowed to expand time, the dust being attached on filter bag can be in filter chamber
Sputter everywhere, and balancing weight upper surface has certain area, and balancing weight balancing weight top during swinging with pre-dirt plate
More dust can be accumulated by portion, and then the gross weight of balancing weight is increased, and i.e. increases the pre-dirt plate stop dynamics to flue gas, i.e.
The cleaning efficiency of dust in reduction filter chamber;And in this utility model, filter chamber top inner wall is provided with resistant to elevated temperatures wind
Qin cover, balancing weight upper surface is opened by this organ cover with the isolation of filter chamber inner space, has stopped dust and has piled up at balancing weight top
Possibility, it is ensured that the regulation to flue gas flow rate of the pre-dirt plate, improve flue gas efficiency of dust collection.And deflector is by torsion spring and pre-dirt plate
Lower end connects, and deflector is along the airintake direction inclination of air inlet inner tube smoke, i.e. leaves one between deflector and pre-dirt plate
Individual size is the initial angle at obtuse angle, and during deflector swings with pre-dirt plate, deflector can be to entering into
The flow direction of the flue gas in filter chamber is finely adjusted control, and deflector is impacted by the flue gas i.e. flowed, and when flue gas flow rate is too fast,
By torsion spring, the angle between deflector and pre-dirt plate is diminished, by further for the flow velocity of flue gas before flue gas contacts with filter bag
Reduction is got off, and the end of deflector extends to the bottom of filter chamber simultaneously, i.e. increases filter chamber body wall, pre-dirt plate sidewall and leads
The flue gas flow channel length that stream plate sidewall is constituted, a small amount of Mars for carrying in flue gas provides longer displacement, it is ensured that flue gas
In even heat release and the extinguishing of a small amount of Mars, improve the service life of filter bag.And the spiral shell being arranged on air jet pipe
Churning mouth, can produce cone shape air-flow, first along its inwall high-speed mobile when this gas shock filter bag is internal, and is attached to filter
The dust of bag surrounding is the most, and traditional direct-injection nozzle is directly directed at the bottom of filter bag to carry out impacting until gas is full of filter bag
Till, the dust that filter bag just can will be attached to because of volumetric expansion on its outer wall ejects, and spiral nozzle can be in moment to filter bag
Inwall carries out high speed impact, and the instantaneous dust that will be attached on filter bag outer wall ejects so that on filter bag, the cleaning speed of dust is big
Big raising.
Being provided with flap valve at described bronchial end, described flap valve connects with described refraction section upper end.Pass through turnover panel
Valve, the flow that the flue gas in gas skirt can enter bronchus and main trachea regulates and controls, it is to avoid the workload of blower fan goes out
Now dally or transship, and then reducing cost when fume collection processes.
Described main trachea is provided with flue gas switching valve.When the flue gas loss of the little burner of coke side is serious, bronchus with
And during the fume collection overload of main trachea, the flue gas switching valve being positioned on main trachea can directly connect with ground station for dust removal,
Auxiliary conducting can be carried out by flue gas in gas skirt, improve the fume collection treatment effeciency in the little burner of coke side.
Have stopper slot in the upper end of described balancing weight, be hinged with connecting rod at the top of described filter chamber, and at connecting rod
End is provided with roller, and described roller-coaster is arranged in stopper slot.When the amplitude of fluctuation of pre-dirt plate is excessive, be equivalent to aerofluxus
Flue gas in pipe directly impacts on filter bag, it is impossible to reaches two-stage dust removal effect, and easily makes filter bag be disturbed by Mars
And it is impaired;This utility model has a stopper slot in the upper end of balancing weight, and hinged on the cavity wall of filter chamber is provided with connecting rod,
And the pulley of connecting rod end slidably at stopper slot so as to get slide mobile extreme position on the left of stopper slot time, pre-dirt
Plate then cannot continue to swing to the right, and similarly, when pulley moves the extreme position on the right side of stopper slot, pre-dirt plate then cannot continue
Continue and swing to the left, excessive with the left and right amplitude of oscillation preventing pre-dirt plate, it is ensured that in dust removal process, flue gas entered with stable flow velocity
In filter chamber, maximize the dust removing effects realizing flue gas.
Being provided with condenser on the sidewall of described casing, the gas outlet of described condenser connects with filter chamber, condenser
Air inlet connect with air inlet pipe.Arranging condenser between air inlet pipe and filter chamber, described condenser is flue gas condenser, can
The a large amount of heat energy that carry in flue gas are eliminated a part, affects filter bag to prevent from entering the flue-gas temperature in filter chamber too high
Service life.
The bottom of described casing is provided with revolving valve.As preferably, install back rotary valve at box bottom, wherein revolving valve
Also referred to as discharge valve or vane type wind stopping device, vane type wind stopping device Main Function in air conveying or casing is that and makes to unload
Glassware is in the case of having pressure differential, and dust is smoothly discharged out, and stops air to leak, thus ensures conveying and casing energy
Normally with work efficiently.
This utility model compared with prior art, has such advantages as and beneficial effect:
1, gas skirt of the present utility model is made up of collection section and refraction section, and has along its axis on the inwall of collection section
The helicla flute of directional spreding so that the flue gas before entering main trachea gradually forms the eddy current of large scale in gas skirt, and
Non-turbulent flow, i.e. flue gas are rotationally advancing around the axis of trachea, particularly in being perpendicular to horizontal main duct portion, are rotationally advancing
The energy that consumed when rising less than flue gas under normal circumstances of the energy that consumed of flue gas, and the mechanical energy of fluid is converted to heat
The amount of energy is less, and the variations in temperature of main trachea is inconspicuous, and then reduces blower fan and the consumption of electric power;
2, this utility model is when the flue gas loss of the little burner of coke side is serious, and the fume collection of bronchus and main trachea is born
When lotus is overweight, the flue gas switching valve being positioned on main trachea can directly connect with ground station for dust removal, can carry out by the flue gas in gas skirt
Auxiliary conducting, improves the fume collection treatment effeciency in the little burner of coke side;
3, in this utility model, bag dust filter processes the scope of air quantity extensively, little to per minute several square meters, big to the most per minute
Tens thousand of square metres, it is adaptable to the flue gas ash removal at industrial furnace cellar for storing things, the discharge of atmosphere pollution can be greatly reduced.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by this utility model embodiment, constitutes the one of the application
Part, is not intended that the restriction to this utility model embodiment.In the accompanying drawings:
Fig. 1 is this utility model structural representation;
Fig. 2 is the structural representation of cleaner unit;
Fig. 3 is the structural representation under cleaner unit deashing state.
Labelling and corresponding parts title in accompanying drawing:
1-air inlet pipe, 2-condenser, 3-pulse valve, 4-pre-dirt plate, 5-air jet pipe, 6-connecting rod, 7-stopper slot, 8-counterweight
Block, 9-deflector, 10-escape pipe, 11-filter bag, 12-revolving valve, 13-casing, 14-organ cover, 15-support seat, 16-furnace roof base
Line, 17-tedge, the main trachea of 18-, 19-helicla flute, 20-gas skirt, 21-flap valve, 22-bronchus, 23-flue gas switching valve,
24-cleaner unit, 25-blower fan, 26-keep in cavity.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and explanation thereof are only used for explaining this
Utility model, is not intended as restriction of the present utility model.
Embodiment 1
As shown in Fig. 1 ~ Fig. 3, the present embodiment is provided with support seat 15 on furnace roof baseline 3, and blower fan 25 is solid with cleaner unit 24
It is scheduled on described support seat 15, also includes main trachea 18, tedge 17, temporary cavity 26 and multiple gas skirt 20, described gas collection
Cover 20 covering outside two little burners of adjacent coke side directly over, described main trachea 18 one end respectively with the air draught of blower fan 25
Mouth, temporary cavity 26 connect, and main trachea 18 other end is connected with multiple described gas skirts 20 by bronchus 9, tedge 17 1
End connects with cleaner unit 24 air inlet, and tedge 17 other end connects with temporary cavity 26;Described gas skirt 20 is by being connected with each other
Collection section and refraction section constitute, described collection section is tubular and offers helicla flute 19 along its axis direction wall within it,
Described refraction section is coniform and its cone tip portion connects with described bronchus 9 end;Described cleaner unit 24 includes casing 13,
Described casing 13 is internally provided with clean air cavity and the filter chamber of mutually isolation, and the two side of casing 13 is respectively equipped with air inlet pipe 1
With escape pipe 10, and described clean air cavity connects with escape pipe 10, and described filter chamber connects with air inlet pipe 1, in described clean air cavity
Being provided with air jet pipe 5, described air jet pipe 5 one end is run through clean air cavity and is extended to outside casing 13 and be provided with pulse valve 3 in this end,
Being provided with multiple filter bag 11 in described filter chamber, one end of described filter bag 11 connects with described clean air cavity, on described air jet pipe 5
Have multiple and filter bag 11 nozzle one to one;Also include resistant to elevated temperatures organ cover 14 and end, one end is hinged is arranged on filtration
The pre-dirt plate 4 of top of chamber, the other end at described pre-dirt plate 4 is provided with the deflector 9 tilted along airintake direction, institute by torsion spring
State deflector 9 end to extend bottom described filter chamber, and on the side of air inlet pipe 1, be fixed with balancing weight at pre-dirt plate 4
8, described organ cover 14 one end is connected with the top inner wall of filter chamber cavity, and organ cover 14 other end is with described balancing weight 8 dorsad
The outer wall of air inlet pipe 1 side connects.
During work, multiple gas skirts 20 loss flue gas out in burner little on furnace roof baseline 3 is carried out the most simultaneously
Centralized collection, and the flue gas collected enters in temporary cavity 26, when the flue gas in temporary cavity 26 is again by upper by bronchus 9
Riser 17 moves to dirt catcher 11, can temporarily be stored by temporary cavity 26 flue gas, is conveniently entering at cleaner unit 24
Row is debugged or is collected the flue gas in little burner to sustainable when carrying out replying state after smoke filtration, it is to avoid gas skirt
Flue gas in 20 is piled up, and to complete the process of flue gas, stops the loss of furnace roof flue gas, it is to avoid pollute environment.Wherein, flue gas is propping up
Turbulent flow is formed so that flue gas has component velocity, i.e. flue gas in the radial direction along trachea when trachea 9 and main trachea 18 move
Inner surface of trachea can be formed certain impact, similarly flow of flue gas can be caused certain obstruction by inner surface of trachea;Further, from physics
Saying in structure and turbulent flow can be regarded as the flowing being formed by stacking by the vortex of various different scales, the size of these whirlpools is at gas
Tube axis direction distribution is random, and the vortex of large scale mainly has the boundary condition of flowing to be certainly sized, Ke Yiyu
The size in flow field is comparable, is the reason causing low frequency pulsating;The vortex of little yardstick is mainly toughness power and is determined, its size
May only have the one thousandth magnitude of flow field yardstick, be the reason causing dither;Formed little after the Vortex Breakdown of large scale
Yardstick vortex, forms the vortex of less yardstick after the Vortex Breakdown of smaller scale, thus in full-blown turbulent region, stream
The yardstick of tears vortex can change in comparatively wide scope continuously, and the vortex of large scale constantly obtains energy from main flow to be passed through
Interaction energy between vortex is set up to little vortex transmission, finally continuous due to the vortex acting on little yardstick of fluid viscosity
Disappearance mechanical energy just converts or is referred to as the heat energy for fluid that dissipates, and i.e. causes the temperature of main trachea 18 drastically to raise, main trachea 18
Interior pressure increases, and correspondingly, the workload of blower fan 25 also sharply increases.And in this utility model, gas skirt 20 is by collecting
Section and refraction section are constituted, and have the helicla flute 19 being distributed along its axis direction on the inwall of collection section so that entering main gas
Flue gas before pipe 18 gradually forms the eddy current of large scale in gas skirt 20, and non-turbulent flow, i.e. flue gas revolve around the axis of trachea
Turning and advance, particularly in being perpendicular to horizontal main trachea 18 part, the energy that the flue gas being rotationally advancing is consumed is less than just
The energy that consumed when flue gas rises in the case of Chang, and the mechanical energy of fluid to be converted to the amount of heat energy less, the temperature of main trachea 18
Degree change is inconspicuous, and then reduces blower fan 25 and the consumption of electric power.
The best for the dust removing effects of cleaner in prior art, the present embodiment is provided with pre-in the filter chamber of flue gas
Dirt plate 4, i.e. flue gas are after air inlet pipe 1 enters in filter chamber, under the effect of pre-dirt plate 4, due to effect of inertia, in air-flow
Crude particle dust fall directly into the bottom (i.e. the bottom of casing 13) of filter chamber, and then play the effect of pre-dirt;Air-flow continues
Moving up, by filter bag 11, by dust catching at the outer surface of filter bag 11, purified gas then enters in filter bag 11
Rising in the clean air cavity on filter chamber top, after converging, this purified gas is directly discharged by escape pipe 10, and works as filter bag
When 11 external dusts gather certain thickness, pulse valve 3 action so that compressed air flows in air jet pipe 5, and by multiple
Nozzle sprays in the filter bag 11 of its correspondence, and high velocity air drives surrounding air in nozzle sprays into each filter bag 11 so that catch
Collection dust releasing on filter bag 11 outer wall, is finally collected into the bottom of filter chamber, and the dust bottom filter chamber is collected
After, pulse valve 3 cuts out, and filter bag 11 returns back to original filtration condition;By the secondary of dust in flue gas is collected so that
Finally met industrial standard by expellant gas in escape pipe 10, reach the purpose being badly in need of in the industry improving dust removing effects.
And in prior art, when the flue gas produced during coalingging coke furnace carbonization chamber processes, blast pipe
The design path in road is shorter, and in flue gas, filter bag 11 is caused damage, inventor in entering directly into cleaner unit by the Mars of residual
Carrying out further investigation to find, the flue gas flow velocity when entering in air inlet pipe 1 is the most unstable, in high temperature environments, with flue gas
The Mars flowed out cannot consume the amount of heat himself carried in moving process when flue gas flow rate is too fast, and at flue gas stream
Speed relatively time slack, Mars can in moving process automatic distinguishing, i.e. filter bag 11 cannot be caused damage;Meanwhile, it was fixedly installed on
Pre-dirt plate 4 in filter chamber can hinder the normal pass of flue gas, and therefore, the present embodiment is in the hinged setting of import department of air inlet pipe 1
Dust in flue gas can not only be filtered by pre-dirt plate 4 for the first time, moreover it is possible to intercepts the air-flow in air inlet pipe 1;At flue gas
When the flow velocity of stream is too fast, pre-dirt plate 4 can be formed impact so that the pre-dirt plate 4 flow direction around its pin joint and along flue gas is put
Dynamic, utilize the balancing weight 8 on pre-dirt plate 4 back side to increase the gravity of pre-dirt plate 4, the amplitude of fluctuation preventing pre-dirt is excessive, and one
Denier is when the impact dynamics of pre-dirt plate 4 is reduced by flue gas, and pre-dirt plate 4 will occur reverse swing, to control air inlet pipe 1 with pre-
Flow velocity in the size of the passage formed between dirt plate 4, and then control flue gas entrance filter chamber (i.e. utilizes the gas in unit volume
Body is entered after in big passage by passage aisle with certain flow velocity, the principle that its speed can reduce);I.e. when flue gas is with speed faster
In entrance exhaustor, under the effect of pre-dirt plate 4 so that flue gas all enters in filter chamber with relatively stable speed, simultaneously
The Mars entered in the lump with flue gas has enough displacements makes it be distributed by heat that self is entrained, it is to avoid Mars directly and is filtered
Bag 11 contacts and causes it impaired.Wherein, deflector 9 is connected with pre-dirt plate 4 lower end by torsion spring, and deflector 9 is along entering
In trachea 1, the airintake direction of flue gas tilts, and i.e. leaves the initial angle that size is obtuse angle between deflector 8 and pre-dirt plate 4,
During deflector 8 swings with pre-dirt plate 4, the flow direction of the flue gas entered in filter chamber can be entered by deflector 8
Row fine setting control, deflector 8 is impacted by the flue gas i.e. flowed, and when flue gas flow rate is too fast, makes deflector 8 by torsion spring
And the angle between pre-dirt plate 4 diminishes, and reduces further by the flow velocity of flue gas, lead before flue gas contacts with filter bag 11 simultaneously
The end of stream plate 9 extends to the bottom of filter chamber, i.e. increases filter chamber body wall, pre-dirt plate 4 sidewall and deflector 9 sidewall and constitutes
Flue gas flow channel length, provide longer displacement for a small amount of Mars of carrying in flue gas, it is ensured that the even heat in flue gas
Release and the extinguishing of a small amount of Mars, improve the service life of filter bag.And it is arranged on the spiral nozzle on air jet pipe 5, can produce
Raw cone shape air-flow, first along its inwall high-speed mobile when this gas shock filter bag 11 is internal, and is attached to filter bag 11 surrounding
Dust the most, traditional direct-injection nozzle is directly directed at the bottom of filter bag 11 to be carried out impacting until gas is full of filter bag 11 is
Only, the dust that filter bag 11 just can will be attached to because of volumetric expansion on its outer wall ejects, and spiral nozzle can be in moment to filter bag
11 inwalls carry out high speed impact, and the instantaneous dust that will be attached on filter bag 11 outer wall ejects so that the cleaning of dust on filter bag 11
Speed is greatly improved.
The present embodiment passes through flap valve 21, the flue gas in gas skirt 20 can be entered bronchus 22 and the stream of main trachea 18
Amount regulates and controls, it is to avoid idle running or overload occurs in the workload of blower fan 25, and then reduces cost when fume collection processes.
When the flue gas loss of the little burner of coke side is serious, during the fume collection overload of bronchus 22 and main trachea 18, it is positioned at master
Flue gas switching valve 23 on trachea 18 can directly connect with ground station for dust removal, can carry out auxiliary conducting by the flue gas in gas skirt 20,
Improve the fume collection treatment effeciency in the little burner of coke side.
Wherein, the present embodiment has stopper slot 7 in the upper end of described balancing weight 8, is hinged with at the top of described filter chamber
Connecting rod 6, and at the end of connecting rod 6, roller is installed, described roller-coaster is arranged in stopper slot 7;Side at described casing 13
Being provided with condenser 2 on wall, the gas outlet of described condenser 2 connects with filter chamber, and the air inlet of condenser 2 is with air inlet pipe 1 even
Logical.
When the amplitude of fluctuation of pre-dirt plate 4 is excessive, is equivalent to the flue gas in exhaustor and directly impacts on filter bag 11, it is impossible to
Reach two-stage dust removal effect, and easily make filter bag 11 impaired by the interference of Mars;This utility model is upper balancing weight 8
End has a stopper slot 7, and hinged on the cavity wall of filter chamber is provided with connecting rod 6, and the pulley of connecting rod 6 end slidably exists
When stopper slot 7 is so as to get the extreme position on the left of stopper slot 7 is moved in slip, pre-dirt plate 4 then cannot continue to swing to the right, with
Sample ground, when pulley moves the extreme position on the right side of stopper slot 7, pre-dirt plate 4 then cannot continue to swing to the left, to prevent pre-dirt
The left and right amplitude of oscillation of plate 4 is excessive, it is ensured that in dust removal process, flue gas enters in filter chamber with stable flow velocity, maximizes and realizes flue gas
Dust removing effects.Arranging condenser 2 between air inlet pipe 1 and filter chamber, described condenser 2 is flue gas condenser 2, can be by flue gas
In a large amount of heat energy of carrying eliminate a part, affect the use of filter bag 11 to prevent from entering the flue-gas temperature in filter chamber too high
Life-span.
As preferably, installing back rotary valve 12 bottom casing 13, wherein revolving valve 12 also referred to as discharge valve or vane type close
Wind device, vane type wind stopping device Main Function in air conveying or casing 13 is that and makes discharger have the situation of pressure differential
Under, dust is smoothly discharged out, and stops air to leak, thus ensure conveying and casing 13 can normally with work efficiently.
Above-described detailed description of the invention, is entered the purpose of this utility model, technical scheme and beneficial effect
One step describes in detail, be it should be understood that and the foregoing is only detailed description of the invention of the present utility model, is not used to limit
Fixed protection domain of the present utility model, all within spirit of the present utility model and principle, any amendment, the equivalent made are replaced
Change, improvement etc., within should be included in protection domain of the present utility model.
Claims (4)
1. be used for the little burner of coke side leads fume and dust structure, is provided with support seat (15), blower fan (25) on furnace roof baseline (16)
It is fixed on described support seat (15) with cleaner unit (24), it is characterised in that: also include main trachea (18), tedge (17), temporarily
Depositing cavity (26) and multiple gas skirt (20), described gas skirt (20) covers and just goes up outside two little burners of adjacent coke side
Side, described main trachea (18) one end connects with the inlet scoop of blower fan (25), temporary cavity (26) respectively, main trachea (18) other end
Being connected with multiple described gas skirts (20) by bronchus (22), tedge (17) one end connects with cleaner unit (24) air inlet,
Tedge (17) other end connects with temporary cavity (26);Described gas skirt (20) is by interconnective collection section and refraction section structure
Becoming, described collection section is tubular and offers helicla flute (19) along its axis direction wall within it, and described refraction section is circular cone
Shape and its cone tip portion connect with described bronchus (22) end;Described cleaner unit includes casing (13), in described casing (13)
It is internally provided with clean air cavity and the filter chamber of mutually isolation, the two side of casing (13) is respectively equipped with air inlet pipe (1) and gives vent to anger
Managing (10), and described clean air cavity connects with escape pipe (10), described filter chamber connects with air inlet pipe (1), in described clean air cavity
Being provided with air jet pipe (5), described air jet pipe (5) one end is run through clean air cavity and is extended to casing (13) and outward and be provided with arteries and veins in this end
Rushing valve (3), be provided with multiple filter bag (11) in described filter chamber, one end of described filter bag (11) connects with described clean air cavity,
Multiple and filter bag (11) nozzle one to one is had on described air jet pipe (5);Also include resistant to elevated temperatures organ cover (14) and
The hinged pre-dirt plate (4) being arranged on filter chamber top in end end, the other end described pre-dirt plate (4) is provided with edge by torsion spring
The deflector (9) that airintake direction tilts, described deflector (9) end extends bottom described filter chamber, and carries on the back pre-dirt plate (4)
Being fixed with balancing weight (8) on side to air inlet pipe (1), described organ cover (14) one end connects with the top inner wall of filter chamber cavity
Connecing, organ cover (14) other end is connected with the outer wall of described balancing weight (8) air inlet pipe dorsad (1) side;In described bronchus
(22) end is provided with flap valve (21), and described flap valve (21) connects with described refraction section upper end;Described main trachea (18)
On flue gas switching valve (23) is installed.
The most according to claim 1 lead fume and dust structure for the little burner of coke side, it is characterised in that: at described balancing weight
(8) upper end has stopper slot (7), is hinged with connecting rod (6) at the top of described filter chamber, and in the end installation of connecting rod (6)
Roller, described roller-coaster is had to be arranged in stopper slot (7).
The most according to claim 1 lead fume and dust structure for the little burner of coke side, it is characterised in that: at described casing
(13) being provided with condenser (2) on sidewall, the gas outlet of described condenser (2) connects with filter chamber, the air inlet of condenser (2)
Mouth connects with air inlet pipe (1).
The most according to claim 1 lead fume and dust structure for the little burner of coke side, it is characterised in that: at described casing
(13) bottom is provided with revolving valve (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620402684.2U CN205821240U (en) | 2016-05-06 | 2016-05-06 | Fume and dust structure is led for the little burner of coke side |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620402684.2U CN205821240U (en) | 2016-05-06 | 2016-05-06 | Fume and dust structure is led for the little burner of coke side |
Publications (1)
Publication Number | Publication Date |
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CN205821240U true CN205821240U (en) | 2016-12-21 |
Family
ID=58149115
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Application Number | Title | Priority Date | Filing Date |
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CN201620402684.2U Expired - Fee Related CN205821240U (en) | 2016-05-06 | 2016-05-06 | Fume and dust structure is led for the little burner of coke side |
Country Status (1)
Country | Link |
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CN (1) | CN205821240U (en) |
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2016
- 2016-05-06 CN CN201620402684.2U patent/CN205821240U/en not_active Expired - Fee Related
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20170506 |