CN205821236U - Coke side little burner dust pelletizing system - Google Patents

Abstract

This utility model discloses coke side little burner dust pelletizing system, 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

Coke side little burner dust pelletizing system

Technical field

This utility model relates to Environmental Protection Technology in Coking Industry field, specifically refers to coke side little burner dust pelletizing system.

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 coke side little burner dust pelletizing system, stops the loss of furnace roof flue gas, it is to avoid dirty Dye environment.

The purpose of this utility model is achieved through the following technical solutions:

Coke side little burner dust pelletizing system, is provided with support seat on furnace roof baseline, and blower fan and cleaner unit are fixed on described On support seat, also including main trachea and multiple gas skirt, described gas skirt covers and just goes up outside two little burners of adjacent coke side Side, described main trachea one end connect with inlet scoop, the cleaner unit air inlet of blower fan respectively, the main trachea other end by bronchus and Multiple described gas skirts connect；Described gas skirt is made up of interconnective collection section and refraction section, and described collection section is tubular And along its axis direction wall within it, offering helicla flute, described refraction section is coniform and its cone tip portion and described gas Pipe end connects；Described cleaner unit includes casing, is provided with clean air cavity and filter chamber, the case of mutually isolation at described box house It is respectively equipped with air inlet pipe and escape pipe on the two side of body, and described clean air cavity connects with escape pipe, described filter chamber and air inlet Pipe connects, and is provided with air jet pipe in described clean air cavity, and described air jet pipe one end is run through clean air cavity and extended to outside casing and at this End is provided with pulse valve, is provided with multiple filter bag in described filter chamber, and one end of described filter bag connects with described clean air cavity, Multiple and filter bag nozzle one to one is had on described air jet pipe；Also include resistant to elevated temperatures organ cover and end, one end is hinged sets Put the pre-dirt plate at filter chamber top, the other end at described pre-dirt plate be provided with along airintake direction tilt deflector, and Pre-dirt backboard is to being fixed with balancing weight on the side of air inlet pipe, and described organ cover one end connects with the top inner wall of filter chamber cavity Connecing, the organ cover other end is connected with the outer wall of described balancing weight air inlet pipe side dorsad.

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 dirt catcher, to carry out the process of flue gas, stop the loss of furnace roof flue gas, it is to avoid pollute environment.Wherein, flue gas bronchus with And form turbulent flow when main trachea moves so that flue gas there is in the radial direction component velocity, i.e. flue gas along trachea can be to trachea Inwall forms certain impact, and similarly flow of flue gas can be caused certain obstruction by inner surface of trachea；Further, from physically saying 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 in trachea axis side Being random to distribution, the vortex of large scale mainly has the boundary condition of flowing to be certainly sized, can big with flow field Little comparable, it 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, is the reason causing dither；Microvortex rotation is formed after the Vortex Breakdown of large scale, The vortex of less yardstick is formed after the Vortex Breakdown of smaller scale, thus in full-blown turbulent region, watery nasal discharge vortex Yardstick can change in comparatively wide scope continuously, and the vortex of large scale constantly obtains energy from main flow to be passed through between vortex Interaction energy is set up to little vortex transmission, finally constantly disappears machinery due to the vortex acting on little yardstick of fluid viscosity Can just convert or be referred to as the heat energy for fluid that dissipates, i.e. cause the temperature of main trachea drastically to raise, main endotracheal pressure increases, Correspondingly, the workload of blower fan also sharply increases.And in this utility model, gas skirt is made up of collection section and refraction section, and Collection section inwall has the helicla flute being distributed along its axis direction so that entering the flue gas before main trachea at gas skirt Inside gradually form the eddy current of large scale, and non-turbulent flow, i.e. flue gas are rotationally advancing around the axis of trachea, be particularly perpendicular to Horizon In the main duct portion of line, the energy that the energy that the flue gas being rotationally advancing is consumed is consumed when rising less than flue gas under normal circumstances Amount, and the mechanical energy of fluid to be converted to the amount of heat energy less, the variations in temperature of main trachea is inconspicuous, and then reduces blower fan and electricity The consumption of 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.

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 is caused damage, inventor to enter in entering directly into cleaner unit by the Mars of residual Row further investigation finds, the flue gas flow velocity when entering in air inlet pipe is the most unstable, in high temperature environments, flows out with flue gas Mars cannot consume the amount of heat himself carried in moving process when flue gas flow rate is too fast, and at flue gas flow rate relatively Time slack, Mars can in moving process automatic distinguishing, i.e. filter bag cannot be caused damage；Meanwhile, it is fixedly installed in filter chamber Pre-dirt plate can hinder the normal pass of flue gas, therefore, this utility model is at the pre-dirt plate of the hinged setting of import department of air inlet pipe Dust in flue gas can not only be filtered for the first time, moreover it is possible to the air-flow in air inlet pipe is intercepted；Flow velocity at flue gas stream Time too fast, pre-dirt plate can be formed impact so that the pre-dirt plate flow direction around its pin joint and along flue gas swings, and utilizes pre-dirt Balancing weight in back is to increase the gravity of pre-dirt plate, and the amplitude of fluctuation preventing pre-dirt is excessive, and once when flue gas is to pre-dirt When the impact dynamics of plate reduces, pre-dirt plate will occur reverse swing, logical with control to be formed between air inlet pipe and pre-dirt plate The size in road, so control flow velocity that flue gas enters in filter chamber (i.e. utilize gas in unit volume with certain flow velocity by After passage aisle enters in big passage, the principle that its speed can reduce)；I.e. enter in exhaustor when flue gas with speed faster, Under the effect of pre-dirt plate so that flue gas all enters in filter chamber with relatively stable speed, enter in the lump with flue gas simultaneously Mars has enough displacements makes it be distributed by heat that self is entrained, it is to avoid Mars directly contacts with filter bag and causes it to be subject to Damage.

Wherein, nozzle inflate in filter bag be allowed to expand time, the dust being attached on filter bag can in filter chamber everywhere Sputtering, and balancing weight upper surface has certain area, and balancing weight balancing weight top meeting during swinging with pre-dirt plate Accumulate more dust, and then the gross weight of balancing weight is increased, i.e. increase the pre-dirt plate stop dynamics to flue gas, i.e. reduce The cleaning efficiency of dust in filter chamber；And in this utility model, filter chamber top inner wall is provided with resistant to elevated temperatures organ cover, The isolation of balancing weight upper surface and filter chamber inner space is opened by this organ cover, and that has stopped that dust piles up at balancing weight top can Can, it is ensured that the regulation to flue gas flow rate of the pre-dirt plate, improve the efficiency of dust collection of flue gas.

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-flow valve, 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.

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 16, and blower fan 25 is solid with cleaner unit 24 It is scheduled on described support seat 15, also includes that main trachea 18 and multiple gas skirt 20, described gas skirt 20 cover at two adjacent Directly over outside the little burner of coke side, described main trachea 18 one end connects with inlet scoop, cleaner unit 24 air inlet of blower fan 25 respectively, Main trachea 18 other end is connected with multiple described gas skirts 20 by bronchus 22；Described gas skirt 20 is by interconnective collection Section and refraction section are constituted, and described collection section is tubular and offers helicla flute 19, described folding along its axis direction wall within it The section of penetrating is coniform and its cone tip portion connects with described bronchus 22 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, the two side of casing 13 is respectively equipped with air inlet pipe 1 and goes out Trachea 10, and described clean air cavity connects with escape pipe 10, described filter chamber connects with air inlet pipe 1, arranges in described clean air cavity Have air jet pipe 5, described air jet pipe 5 one end to run through clean air cavity extend to outside casing 13 and in this end, pulse valve 3 be installed, in institute Being provided with multiple filter bag 11 in stating filter chamber, one end of described filter bag 11 connects with described clean air cavity, and described air jet pipe 5 has Multiple with 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 filter chamber top The pre-dirt plate 4 in portion, described pre-dirt plate 4 the other end by torsion spring be provided with along airintake direction tilt deflector 9, described in lead Stream plate 9 end extends bottom described filter chamber, and is fixed with balancing weight 8, institute at pre-dirt plate 4 on the side of air inlet pipe 1 State organ cover 14 one end to be connected with the top inner wall of filter chamber cavity, organ cover 14 other end and described balancing weight 8 air inlet dorsad The outer wall of pipe 1 side connects.

During work, multiple gas skirts 20 loss flue gas out in burner little on furnace roof baseline 16 is carried out the most simultaneously Centralized collection, and the flue gas collected enters in main trachea 18 by bronchus 22, enters under the traction of blower fan 25 wind-force In dirt catcher, to carry out the process of flue gas, and at main trachea 18, flow valve 17 is installed on one end of cleaner unit 24, flow Valve 17 coordinates with cleaner unit 24 so that the efficiency of cleaner unit 24 matches with flue gas input, to the full extent by smoke filtration Process, stop the loss of furnace roof flue gas, it is to avoid pollute environment.Wherein, when flue gas moves in bronchus 22 and main trachea 18 Formed turbulent flow so that flue gas have in the radial direction along trachea component velocity, i.e. flue gas can to inner surface of trachea formed certain impact, Similarly flow of flue gas can be caused certain obstruction by inner surface of trachea；Further, from physically saying 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 random in the distribution of trachea axis direction, The vortex of large scale mainly has the boundary condition of flowing to be certainly sized, can be comparable with the size in flow field, is to cause The reason of low frequency pulsating；The vortex of little yardstick is mainly toughness power and is determined, its size may only have thousand points of flow field yardstick One of magnitude, be the reason causing dither；Microvortex rotation, the vortex of smaller scale is formed after the Vortex Breakdown of large scale Form the vortex of less yardstick after rupturing, thus in full-blown turbulent region, the yardstick of watery nasal discharge vortex can be comparatively wide In the range of change continuously, the vortex of large scale constantly obtains energy by the interaction energy group between vortex from main flow Build to little vortex transmission, finally just convert due to the vortex constantly disappearance mechanical energy acting on little yardstick of fluid viscosity or be referred to as Dissipate the heat energy for fluid, i.e. causes the temperature of main trachea 18 drastically to raise, and the pressure in main trachea 18 increases, correspondingly, and wind The workload of machine 25 also sharply increases.And in this utility model, gas skirt 20 is made up of collection section and refraction section, and collecting Have, on section inwall, the helicla flute 19 being distributed along its axis direction so that entering the flue gas before main trachea 18 at gas skirt 20 Inside gradually form the eddy current of large scale, and non-turbulent flow, i.e. flue gas are rotationally advancing around the axis of trachea, be particularly perpendicular to Horizon In main trachea 18 part of line, the energy that the flue gas being rotationally advancing is consumed is consumed when rising less than flue gas under normal circumstances Energy, and the mechanical energy of fluid to be converted to the amount of heat energy less, the variations in temperature of main trachea 18 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, nozzle inflate in filter bag 11 be allowed to expand time, be attached to the dust on filter bag 11 Can sputter everywhere in filter chamber, and balancing weight 8 upper surface has certain area, and balancing weight 8 is swinging with pre-dirt plate 4 During balancing weight 8 top can accumulate more dust, and then the gross weight of balancing weight 8 is increased, i.e. increases pre-dirt plate 4 right The cleaning efficiency of dust in the stop dynamics of flue gas, i.e. reduction filter chamber；And in the present embodiment, in filter chamber top inner wall Being provided with resistant to elevated temperatures organ cover 14, balancing weight 8 upper surface is opened by this organ cover 14 with the isolation of filter chamber inner space, stops The possibility that dust is piled up at balancing weight 8 top, it is ensured that the pre-dirt plate 1 regulation to flue gas flow rate, improves the efficiency of dust collection of flue gas.

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 (3)

1. coke side little burner dust pelletizing system, is provided with support seat (15), blower fan (25) and cleaner unit on furnace roof baseline (16) (24) it is fixed on described support seat (15), it is characterised in that: also include main trachea (18) and multiple gas skirt (20), described collection Gas hood (20) cover outside two little burners of adjacent coke side directly over, described main trachea (18) one end respectively with blower fan (25) Inlet scoop, the connection of cleaner unit (24) air inlet, main trachea (18) other end is by bronchus (22) and multiple described gas skirts (20) connection；Described gas skirt (20) is made up of interconnective collection section and refraction section, and described collection section is tubular and along it Offering helicla flute (19) on axis direction wall within it, described refraction section is coniform and its cone tip portion and described bronchus (22) end connection；Described cleaner unit includes casing (13), is internally provided with the clean air cavity of mutually isolation at described casing (13) And filter chamber, the two side of casing (13) is respectively equipped with air inlet pipe (1) and escape pipe (10), and described clean air cavity and escape pipe (10) connection, described filter chamber connects with air inlet pipe (1), is provided with air jet pipe (5), described air jet pipe in described clean air cavity (5) one end is run through clean air cavity and is extended to casing (13) and outward and be provided with pulse valve (3) in this end, arranges in described filter chamber There are multiple filter bag (11), one end of described filter bag (11) to connect with described clean air cavity, described air jet pipe (5) has multiple and filter Bag (11) nozzle one to one；Also include the hinged filter chamber top that is arranged on of resistant to elevated temperatures organ cover (14) and end, one end Pre-dirt plate (4), the other end described pre-dirt plate (4) is provided with the deflector (9) tilted along airintake direction, and at pre-dirt plate (4) back to being fixed with balancing weight (8) on the side of air inlet pipe (1), the top of described organ cover (14) one end and filter chamber cavity Inwall connects, and organ cover (14) other end is connected with the outer wall of described balancing weight (8) air inlet pipe dorsad (1) side；At described Trachea (22) end is provided with flap valve (21), and described flap valve (21) connects with described refraction section upper end；At described main trachea (18) flue gas switching valve (23) is installed on；Stopper slot (7) is had, at described filter chamber in the upper end of described balancing weight (8) Top is hinged with connecting rod (6), and is provided with roller at the end of connecting rod (6), and described roller-coaster is arranged in stopper slot (7).

Coke side the most according to claim 1 little burner dust pelletizing system, it is characterised in that: on the sidewall of described casing (13) Being provided with condenser (2), the gas outlet of described condenser (2) connects with filter chamber, the air inlet of condenser (2) and air inlet pipe (1) connection.

Coke side the most according to claim 1 little burner dust pelletizing system, it is characterised in that: set in the bottom of described casing (13) It is equipped with revolving valve (12).