CN205760350U - Coke oven smoke eliminating dust removing device - Google Patents

Abstract

This utility model discloses coke oven smoke eliminating dust removing device, 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 oven smoke eliminating dust removing device

Technical field

This utility model relates to Environmental Protection Technology in Coking Industry field, specifically refers to coke oven smoke eliminating dust removing device.

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 oven smoke eliminating dust removing device, stops the loss of furnace roof flue gas, it is to avoid pollute Environment.

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

Coke oven smoke eliminating dust removing device, is provided with support seat on furnace roof baseline, and blower fan and cleaner unit are fixed on described support On seat, also including main trachea, tedge, temporary cavity and multiple gas skirt, described gas skirt covers at two adjacent coke sides Directly over outside little burner, described main trachea one end connects with the inlet scoop of blower fan, temporary cavity respectively, and the main trachea other end leads to Crossing bronchus to connect with multiple described gas skirts, tedge one end connects with cleaner unit air inlet, and the tedge other end is with temporary Cavity connects；Described gas skirt is made up of interconnective collection section and refraction section, and described collection section is tubular and along its axis Offering helicla flute on the wall within it of direction, described refraction section is coniform and its cone tip portion connects with described bronchial end Logical；Described cleaner unit includes casing, is provided with clean air cavity and filter chamber, the both sides of casing of mutually isolation at described box house Being respectively equipped with air inlet pipe and escape pipe on wall, and described clean air cavity connects with escape pipe, described filter chamber connects with air inlet pipe, Being provided with air jet pipe in described clean air cavity, described air jet pipe one end is run through clean air cavity and is extended to outside casing and be provided with in this end 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, described air jet pipe On have multiple with filter bag nozzle one to one；Also include the hinged pre-dirt plate being arranged on filter chamber top in end, one end, The other end of described pre-dirt plate is provided with the deflector tilted along airintake direction, and solid on the pre-dirt backboard side to air inlet pipe Surely there is balancing weight.

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.

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-blower fan, 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-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 14 is solid with cleaner unit 24 It is scheduled on described support seat 15, also includes main trachea 18, tedge 17, temporary cavity 25 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 14 Mouth, temporary cavity 25 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 25；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 the hinged pre-dirt plate 4 being arranged on filter chamber top in end, one end, The other end of described pre-dirt plate 4 is provided with the deflector 9 tilted along airintake direction, and at pre-dirt plate 4 back to the side of air inlet pipe 1 On be fixed with balancing weight 8.

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 25, when the flue gas in temporary cavity 25 is again by upper by bronchus 9 Riser 17 moves to dirt catcher 11, can temporarily be stored by temporary cavity 25 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 14 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 14 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, this utility model is in the hinged setting of import department of air inlet pipe 1 Pre-dirt plate 4 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 1 is intercepted；At cigarette When the flow velocity of air-flow 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 carried out Swinging, 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 Reducing the impact dynamics of pre-dirt plate 4 once when flue gas, pre-dirt plate 4 will occur reverse swing, with control air inlet pipe 1 with The size of the passage formed between pre-dirt plate 4, and then control the flow velocity in flue gas entrance filter chamber (in i.e. utilizing unit volume Gas 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 Degree enters in exhaustor, under the effect of pre-dirt plate 4 so that flue gas all enters in filter chamber with relatively stable speed, with Time the Mars that enters in the lump with flue gas there is enough displacements make it be distributed by heat that self is entrained, it is to avoid Mars directly with Filter bag 11 contacts and causes it impaired.

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 14, 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 oven smoke eliminating dust removing device, is provided with support seat (15), blower fan (14) and cleaner unit (24) on furnace roof baseline (16) Be fixed on described support seat (15), it is characterised in that: also include main trachea (18), tedge (17), temporary cavity (25) and Multiple gas skirts (20), described gas skirt (20) covers directly over outside two little burners of adjacent coke side, described main trachea (18) one end connects with the inlet scoop of blower fan (14), temporary cavity (25) respectively, and main trachea (18) other end passes through bronchus (22) connecting with multiple described gas skirts (20), tedge (17) one end connects with cleaner unit (24) air inlet, tedge (17) The other end connects with temporary cavity (25)；Described gas skirt (20) is made up of interconnective collection section and refraction section, described receipts Integrating section and as tubular and offer helicla flute (19) along its axis direction wall within it, described refraction section is coniform and its cone Part connects with described bronchus (22) end；Described cleaner unit includes casing (13), is internally provided with at described casing (13) The clean air cavity mutually completely cut off and filter chamber, the two side of casing (13) is respectively equipped with air inlet pipe (1) and escape pipe (10), and institute Stating clean air cavity to connect with escape pipe (10), described filter chamber connects with air inlet pipe (1), is provided with air jet pipe in described clean air cavity (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 pulse valve (3) in this end, 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, described air jet pipe (5) On have multiple with filter bag (11) nozzle one to one；Also include the hinged pre-dirt plate being arranged on filter chamber top in end, one end (4), the other end described pre-dirt plate (4) be provided with along airintake direction tilt deflector (9), and pre-dirt plate (4) back to Balancing weight (8) it is fixed with on the side of air inlet pipe (1)；At described bronchus (22) end, flap valve (21) is installed, described in turn over Plate valve (21) connects with described refraction section upper end；Described main trachea (18) is provided with flue gas switching valve (23)；Join described The upper end of pouring weight (8) has stopper slot (7), is hinged with connecting rod (6) at the top of described filter chamber, and at the end of connecting rod (6) Being provided with roller, described roller-coaster is arranged in stopper slot (7).

Coke oven smoke eliminating dust removing device the most according to claim 1, it is characterised in that: pacify on the sidewall of described casing (13) Equipped 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 oven smoke eliminating dust removing device the most according to claim 1, it is characterised in that: arrange in the bottom of described casing (13) There is revolving valve (12).